1 /* bnx2x.h: Broadcom Everest network driver.
3 * Copyright (c) 2007-2013 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
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>
23 /* compilation time flags */
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 */
29 #define DRV_MODULE_VERSION "1.78.17-0"
30 #define DRV_MODULE_RELDATE "2013/04/11"
31 #define BNX2X_BC_VER 0x040200
33 #if defined(CONFIG_DCB)
37 #include "bnx2x_hsi.h"
39 #include "../cnic_if.h"
41 #define BNX2X_MIN_MSIX_VEC_CNT(bp) ((bp)->min_msix_vec_cnt)
43 #include <linux/mdio.h>
45 #include "bnx2x_reg.h"
46 #include "bnx2x_fw_defs.h"
47 #include "bnx2x_mfw_req.h"
48 #include "bnx2x_link.h"
50 #include "bnx2x_dcb.h"
51 #include "bnx2x_stats.h"
52 #include "bnx2x_vfpf.h"
60 /* error/debug prints */
62 #define DRV_MODULE_NAME "bnx2x"
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
77 /* regular debug print */
78 #define DP(__mask, fmt, ...) \
80 if (unlikely(bp->msg_enable & (__mask))) \
81 pr_notice("[%s:%d(%s)]" fmt, \
83 bp->dev ? (bp->dev->name) : "?", \
87 #define DP_CONT(__mask, fmt, ...) \
89 if (unlikely(bp->msg_enable & (__mask))) \
90 pr_cont(fmt, ##__VA_ARGS__); \
93 /* errors debug print */
94 #define BNX2X_DBG_ERR(fmt, ...) \
96 if (unlikely(netif_msg_probe(bp))) \
97 pr_err("[%s:%d(%s)]" fmt, \
99 bp->dev ? (bp->dev->name) : "?", \
103 /* for errors (never masked) */
104 #define BNX2X_ERR(fmt, ...) \
106 pr_err("[%s:%d(%s)]" fmt, \
107 __func__, __LINE__, \
108 bp->dev ? (bp->dev->name) : "?", \
112 #define BNX2X_ERROR(fmt, ...) \
113 pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
115 /* before we have a dev->name use dev_info() */
116 #define BNX2X_DEV_INFO(fmt, ...) \
118 if (unlikely(netif_msg_probe(bp))) \
119 dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__); \
123 void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int);
124 #ifdef BNX2X_STOP_ON_ERROR
125 #define bnx2x_panic() \
128 BNX2X_ERR("driver assert\n"); \
129 bnx2x_panic_dump(bp, true); \
132 #define bnx2x_panic() \
135 BNX2X_ERR("driver assert\n"); \
136 bnx2x_panic_dump(bp, false); \
140 #define bnx2x_mc_addr(ha) ((ha)->addr)
141 #define bnx2x_uc_addr(ha) ((ha)->addr)
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))
147 #define REG_ADDR(bp, offset) ((bp->regview) + (offset))
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))
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))
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)
160 #define REG_RD_DMAE(bp, offset, valp, len32) \
162 bnx2x_read_dmae(bp, offset, len32);\
163 memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
166 #define REG_WR_DMAE(bp, offset, valp, len32) \
168 memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
169 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
173 #define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
174 REG_WR_DMAE(bp, offset, valp, len32)
176 #define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
178 memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
179 bnx2x_write_big_buf_wb(bp, addr, len32); \
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)
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))
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))
201 #define SHMEM2_HAS(bp, field) ((bp)->common.shmem2_base && \
202 (SHMEM2_RD((bp), size) > \
203 offsetof(struct shmem2_region, field)))
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)
210 /* General SP events - stats query, cfc delete, etc */
211 #define HC_SP_INDEX_ETH_DEF_CONS 3
214 #define HC_SP_INDEX_EQ_CONS 7
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
220 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
221 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
223 /* Special clients parameters */
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])
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])
237 * CLIDs below is a CLID for func 0, then the CLID for other
238 * functions will be calculated by the formula:
240 * FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
244 BNX2X_ISCSI_ETH_CL_ID_IDX,
245 BNX2X_FCOE_ETH_CL_ID_IDX,
246 BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
249 /* use a value high enough to be above all the PFs, which has least significant
250 * nibble as 8, so when cnic needs to come up with a CID for UIO to use to
251 * calculate doorbell address according to old doorbell configuration scheme
252 * (db_msg_sz 1 << 7 * cid + 0x40 DPM offset) it can come up with a valid number
253 * We must avoid coming up with cid 8 for iscsi since according to this method
254 * the designated UIO cid will come out 0 and it has a special handling for that
255 * case which doesn't suit us. Therefore will will cieling to closes cid which
256 * has least signigifcant nibble 8 and if it is 8 we will move forward to 0x18.
259 #define BNX2X_1st_NON_L2_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * \
261 /* amount of cids traversed by UIO's DPM addition to doorbell */
263 /* roundup to DPM offset */
264 #define UIO_ROUNDUP(bp) (roundup(BNX2X_1st_NON_L2_ETH_CID(bp), \
266 /* offset to nearest value which has lsb nibble matching DPM */
267 #define UIO_CID_OFFSET(bp) ((UIO_ROUNDUP(bp) + UIO_DPM) % \
269 /* add offset to rounded-up cid to get a value which could be used with UIO */
270 #define UIO_DPM_ALIGN(bp) (UIO_ROUNDUP(bp) + UIO_CID_OFFSET(bp))
271 /* but wait - avoid UIO special case for cid 0 */
272 #define UIO_DPM_CID0_OFFSET(bp) ((UIO_DPM * 2) * \
273 (UIO_DPM_ALIGN(bp) == UIO_DPM))
274 /* Properly DPM aligned CID dajusted to cid 0 secal case */
275 #define BNX2X_CNIC_START_ETH_CID(bp) (UIO_DPM_ALIGN(bp) + \
276 (UIO_DPM_CID0_OFFSET(bp)))
277 /* how many cids were wasted - need this value for cid allocation */
278 #define UIO_CID_PAD(bp) (BNX2X_CNIC_START_ETH_CID(bp) - \
279 BNX2X_1st_NON_L2_ETH_CID(bp))
281 #define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp))
283 #define BNX2X_FCOE_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp) + 1)
285 #define CNIC_SUPPORT(bp) ((bp)->cnic_support)
286 #define CNIC_ENABLED(bp) ((bp)->cnic_enabled)
287 #define CNIC_LOADED(bp) ((bp)->cnic_loaded)
288 #define FCOE_INIT(bp) ((bp)->fcoe_init)
290 #define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
291 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
296 /* defines for multiple tx priority indices */
297 #define FIRST_TX_ONLY_COS_INDEX 1
298 #define FIRST_TX_COS_INDEX 0
300 /* rules for calculating the cids of tx-only connections */
301 #define CID_TO_FP(cid, bp) ((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
302 #define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
303 (cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
305 /* fp index inside class of service range */
306 #define FP_COS_TO_TXQ(fp, cos, bp) \
307 ((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
309 /* Indexes for transmission queues array:
310 * txdata for RSS i CoS j is at location i + (j * num of RSS)
311 * txdata for FCoE (if exist) is at location max cos * num of RSS
312 * txdata for FWD (if exist) is one location after FCoE
313 * txdata for OOO (if exist) is one location after FWD
320 #define MAX_ETH_TXQ_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
321 #define FCOE_TXQ_IDX(bp) (MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
325 * This driver uses new build_skb() API :
326 * RX ring buffer contains pointer to kmalloc() data only,
327 * skb are built only after Hardware filled the frame.
331 DEFINE_DMA_UNMAP_ADDR(mapping);
338 /* Set on the first BD descriptor when there is a split BD */
339 #define BNX2X_TSO_SPLIT_BD (1<<0)
344 DEFINE_DMA_UNMAP_ADDR(mapping);
348 struct doorbell_set_prod data;
352 /* dropless fc FW/HW related params */
353 #define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512)
354 #define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \
355 ETH_MAX_AGGREGATION_QUEUES_E1 :\
356 ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
357 #define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
358 #define FW_PREFETCH_CNT 16
359 #define DROPLESS_FC_HEADROOM 100
362 #define BCM_PAGE_SHIFT 12
363 #define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
364 #define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
365 #define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
367 #define PAGES_PER_SGE_SHIFT 0
368 #define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
369 #define SGE_PAGE_SIZE PAGE_SIZE
370 #define SGE_PAGE_SHIFT PAGE_SHIFT
371 #define SGE_PAGE_ALIGN(addr) PAGE_ALIGN((typeof(PAGE_SIZE))(addr))
372 #define SGE_PAGES (SGE_PAGE_SIZE * PAGES_PER_SGE)
373 #define TPA_AGG_SIZE min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
376 /* SGE ring related macros */
377 #define NUM_RX_SGE_PAGES 2
378 #define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
379 #define NEXT_PAGE_SGE_DESC_CNT 2
380 #define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
381 /* RX_SGE_CNT is promised to be a power of 2 */
382 #define RX_SGE_MASK (RX_SGE_CNT - 1)
383 #define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES)
384 #define MAX_RX_SGE (NUM_RX_SGE - 1)
385 #define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \
386 (MAX_RX_SGE_CNT - 1)) ? \
387 (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
389 #define RX_SGE(x) ((x) & MAX_RX_SGE)
392 * Number of required SGEs is the sum of two:
393 * 1. Number of possible opened aggregations (next packet for
394 * these aggregations will probably consume SGE immediately)
395 * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
396 * after placement on BD for new TPA aggregation)
398 * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
400 #define NUM_SGE_REQ (MAX_AGG_QS(bp) + \
401 (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
402 #define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
404 #define SGE_TH_LO(bp) (NUM_SGE_REQ + \
405 NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
406 #define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
408 /* Manipulate a bit vector defined as an array of u64 */
410 /* Number of bits in one sge_mask array element */
411 #define BIT_VEC64_ELEM_SZ 64
412 #define BIT_VEC64_ELEM_SHIFT 6
413 #define BIT_VEC64_ELEM_MASK ((u64)BIT_VEC64_ELEM_SZ - 1)
415 #define __BIT_VEC64_SET_BIT(el, bit) \
417 el = ((el) | ((u64)0x1 << (bit))); \
420 #define __BIT_VEC64_CLEAR_BIT(el, bit) \
422 el = ((el) & (~((u64)0x1 << (bit)))); \
425 #define BIT_VEC64_SET_BIT(vec64, idx) \
426 __BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
427 (idx) & BIT_VEC64_ELEM_MASK)
429 #define BIT_VEC64_CLEAR_BIT(vec64, idx) \
430 __BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
431 (idx) & BIT_VEC64_ELEM_MASK)
433 #define BIT_VEC64_TEST_BIT(vec64, idx) \
434 (((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
435 ((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
437 /* Creates a bitmask of all ones in less significant bits.
438 idx - index of the most significant bit in the created mask */
439 #define BIT_VEC64_ONES_MASK(idx) \
440 (((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
441 #define BIT_VEC64_ELEM_ONE_MASK ((u64)(~0))
443 /*******************************************************/
445 /* Number of u64 elements in SGE mask array */
446 #define RX_SGE_MASK_LEN (NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
447 #define RX_SGE_MASK_LEN_MASK (RX_SGE_MASK_LEN - 1)
448 #define NEXT_SGE_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
450 union host_hc_status_block {
451 /* pointer to fp status block e1x */
452 struct host_hc_status_block_e1x *e1x_sb;
453 /* pointer to fp status block e2 */
454 struct host_hc_status_block_e2 *e2_sb;
457 struct bnx2x_agg_info {
459 * First aggregation buffer is a data buffer, the following - are pages.
460 * We will preallocate the data buffer for each aggregation when
461 * we open the interface and will replace the BD at the consumer
462 * with this one when we receive the TPA_START CQE in order to
463 * keep the Rx BD ring consistent.
465 struct sw_rx_bd first_buf;
467 #define BNX2X_TPA_START 1
468 #define BNX2X_TPA_STOP 2
469 #define BNX2X_TPA_ERROR 3
480 #define Q_STATS_OFFSET32(stat_name) \
481 (offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
483 struct bnx2x_fp_txdata {
485 struct sw_tx_bd *tx_buf_ring;
487 union eth_tx_bd_types *tx_desc_ring;
488 dma_addr_t tx_desc_mapping;
499 unsigned long tx_pkt;
504 struct bnx2x_fastpath *parent_fp;
508 enum bnx2x_tpa_mode_t {
513 struct bnx2x_fastpath {
514 struct bnx2x *bp; /* parent */
516 struct napi_struct napi;
518 #ifdef CONFIG_NET_RX_BUSY_POLL
520 #define BNX2X_FP_STATE_IDLE 0
521 #define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */
522 #define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */
523 #define BNX2X_FP_STATE_NAPI_YIELD (1 << 2) /* NAPI yielded this FP */
524 #define BNX2X_FP_STATE_POLL_YIELD (1 << 3) /* poll yielded this FP */
525 #define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD)
526 #define BNX2X_FP_LOCKED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL)
527 #define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD)
530 #endif /* CONFIG_NET_RX_BUSY_POLL */
532 union host_hc_status_block status_blk;
533 /* chip independent shortcuts into sb structure */
534 __le16 *sb_index_values;
535 __le16 *sb_running_index;
536 /* chip independent shortcut into rx_prods_offset memory */
537 u32 ustorm_rx_prods_offset;
540 u32 rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
541 dma_addr_t status_blk_mapping;
543 enum bnx2x_tpa_mode_t mode;
545 u8 max_cos; /* actual number of active tx coses */
546 struct bnx2x_fp_txdata *txdata_ptr[BNX2X_MULTI_TX_COS];
548 struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
549 struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
551 struct eth_rx_bd *rx_desc_ring;
552 dma_addr_t rx_desc_mapping;
554 union eth_rx_cqe *rx_comp_ring;
555 dma_addr_t rx_comp_mapping;
558 struct eth_rx_sge *rx_sge_ring;
559 dma_addr_t rx_sge_mapping;
561 u64 sge_mask[RX_SGE_MASK_LEN];
567 u8 index; /* number in fp array */
568 u8 rx_queue; /* index for skb_record */
569 u8 cl_id; /* eth client id */
571 u8 fw_sb_id; /* status block number in FW */
572 u8 igu_sb_id; /* status block number in HW */
579 /* The last maximal completed SGE */
582 unsigned long rx_pkt,
586 struct bnx2x_agg_info *tpa_info;
588 #ifdef BNX2X_STOP_ON_ERROR
591 /* The size is calculated using the following:
592 sizeof name field from netdev structure +
594 4 (for the digits and to make it DWORD aligned) */
595 #define FP_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8)
596 char name[FP_NAME_SIZE];
599 #define bnx2x_fp(bp, nr, var) ((bp)->fp[(nr)].var)
600 #define bnx2x_sp_obj(bp, fp) ((bp)->sp_objs[(fp)->index])
601 #define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index]))
602 #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
604 #ifdef CONFIG_NET_RX_BUSY_POLL
605 static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp)
607 spin_lock_init(&fp->lock);
608 fp->state = BNX2X_FP_STATE_IDLE;
611 /* called from the device poll routine to get ownership of a FP */
612 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
616 spin_lock(&fp->lock);
617 if (fp->state & BNX2X_FP_LOCKED) {
618 WARN_ON(fp->state & BNX2X_FP_STATE_NAPI);
619 fp->state |= BNX2X_FP_STATE_NAPI_YIELD;
622 /* we don't care if someone yielded */
623 fp->state = BNX2X_FP_STATE_NAPI;
625 spin_unlock(&fp->lock);
629 /* returns true is someone tried to get the FP while napi had it */
630 static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
634 spin_lock(&fp->lock);
636 (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD));
638 if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
640 fp->state = BNX2X_FP_STATE_IDLE;
641 spin_unlock(&fp->lock);
645 /* called from bnx2x_low_latency_poll() */
646 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
650 spin_lock_bh(&fp->lock);
651 if ((fp->state & BNX2X_FP_LOCKED)) {
652 fp->state |= BNX2X_FP_STATE_POLL_YIELD;
655 /* preserve yield marks */
656 fp->state |= BNX2X_FP_STATE_POLL;
658 spin_unlock_bh(&fp->lock);
662 /* returns true if someone tried to get the FP while it was locked */
663 static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
667 spin_lock_bh(&fp->lock);
668 WARN_ON(fp->state & BNX2X_FP_STATE_NAPI);
670 if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
672 fp->state = BNX2X_FP_STATE_IDLE;
673 spin_unlock_bh(&fp->lock);
677 /* true if a socket is polling, even if it did not get the lock */
678 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
680 WARN_ON(!(fp->state & BNX2X_FP_LOCKED));
681 return fp->state & BNX2X_FP_USER_PEND;
684 static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp)
688 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
693 static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
698 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
703 static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
708 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
712 #endif /* CONFIG_NET_RX_BUSY_POLL */
714 /* Use 2500 as a mini-jumbo MTU for FCoE */
715 #define BNX2X_FCOE_MINI_JUMBO_MTU 2500
717 #define FCOE_IDX_OFFSET 0
719 #define FCOE_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
721 #define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX(bp)])
722 #define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
723 #define bnx2x_fcoe_inner_sp_obj(bp) (&bp->sp_objs[FCOE_IDX(bp)])
724 #define bnx2x_fcoe_sp_obj(bp, var) (bnx2x_fcoe_inner_sp_obj(bp)->var)
725 #define bnx2x_fcoe_tx(bp, var) (bnx2x_fcoe_fp(bp)-> \
726 txdata_ptr[FIRST_TX_COS_INDEX] \
729 #define IS_ETH_FP(fp) ((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
730 #define IS_FCOE_FP(fp) ((fp)->index == FCOE_IDX((fp)->bp))
731 #define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX(bp))
734 #define MAX_FETCH_BD 13 /* HW max BDs per packet */
735 #define RX_COPY_THRESH 92
737 #define NUM_TX_RINGS 16
738 #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
739 #define NEXT_PAGE_TX_DESC_CNT 1
740 #define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
741 #define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
742 #define MAX_TX_BD (NUM_TX_BD - 1)
743 #define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
744 #define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
745 (MAX_TX_DESC_CNT - 1)) ? \
746 (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
748 #define TX_BD(x) ((x) & MAX_TX_BD)
749 #define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
751 /* number of NEXT_PAGE descriptors may be required during placement */
752 #define NEXT_CNT_PER_TX_PKT(bds) \
753 (((bds) + MAX_TX_DESC_CNT - 1) / \
754 MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
755 /* max BDs per tx packet w/o next_pages:
756 * START_BD - describes packed
757 * START_BD(splitted) - includes unpaged data segment for GSO
758 * PARSING_BD - for TSO and CSUM data
759 * PARSING_BD2 - for encapsulation data
760 * Frag BDs - describes pages for frags
762 #define BDS_PER_TX_PKT 4
763 #define MAX_BDS_PER_TX_PKT (MAX_SKB_FRAGS + BDS_PER_TX_PKT)
764 /* max BDs per tx packet including next pages */
765 #define MAX_DESC_PER_TX_PKT (MAX_BDS_PER_TX_PKT + \
766 NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
768 /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
769 #define NUM_RX_RINGS 8
770 #define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
771 #define NEXT_PAGE_RX_DESC_CNT 2
772 #define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
773 #define RX_DESC_MASK (RX_DESC_CNT - 1)
774 #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
775 #define MAX_RX_BD (NUM_RX_BD - 1)
776 #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
778 /* dropless fc calculations for BDs
780 * Number of BDs should as number of buffers in BRB:
781 * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
782 * "next" elements on each page
784 #define NUM_BD_REQ BRB_SIZE(bp)
785 #define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
787 #define BD_TH_LO(bp) (NUM_BD_REQ + \
788 NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
790 #define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
792 #define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
794 #define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \
795 ETH_MIN_RX_CQES_WITH_TPA_E1 : \
796 ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
797 #define MIN_RX_SIZE_NONTPA_HW ETH_MIN_RX_CQES_WITHOUT_TPA
798 #define MIN_RX_SIZE_TPA (max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
799 #define MIN_RX_SIZE_NONTPA (max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
802 #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
803 (MAX_RX_DESC_CNT - 1)) ? \
804 (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
806 #define RX_BD(x) ((x) & MAX_RX_BD)
809 * As long as CQE is X times bigger than BD entry we have to allocate X times
810 * more pages for CQ ring in order to keep it balanced with BD ring
812 #define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
813 #define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL)
814 #define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
815 #define NEXT_PAGE_RCQ_DESC_CNT 1
816 #define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
817 #define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
818 #define MAX_RCQ_BD (NUM_RCQ_BD - 1)
819 #define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
820 #define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
821 (MAX_RCQ_DESC_CNT - 1)) ? \
822 (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
824 #define RCQ_BD(x) ((x) & MAX_RCQ_BD)
826 /* dropless fc calculations for RCQs
828 * Number of RCQs should be as number of buffers in BRB:
829 * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
830 * "next" elements on each page
832 #define NUM_RCQ_REQ BRB_SIZE(bp)
833 #define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
835 #define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \
836 NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
838 #define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
840 /* This is needed for determining of last_max */
841 #define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b))
842 #define SUB_S32(a, b) (s32)((s32)(a) - (s32)(b))
844 #define BNX2X_SWCID_SHIFT 17
845 #define BNX2X_SWCID_MASK ((0x1 << BNX2X_SWCID_SHIFT) - 1)
847 /* used on a CID received from the HW */
848 #define SW_CID(x) (le32_to_cpu(x) & BNX2X_SWCID_MASK)
849 #define CQE_CMD(x) (le32_to_cpu(x) >> \
850 COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
852 #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr_hi), \
853 le32_to_cpu((bd)->addr_lo))
854 #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
856 #define BNX2X_DB_MIN_SHIFT 3 /* 8 bytes */
857 #define BNX2X_DB_SHIFT 3 /* 8 bytes*/
858 #if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
859 #error "Min DB doorbell stride is 8"
861 #define DOORBELL(bp, cid, val) \
863 writel((u32)(val), bp->doorbells + (bp->db_size * (cid))); \
866 /* TX CSUM helpers */
867 #define SKB_CS_OFF(skb) (offsetof(struct tcphdr, check) - \
869 #define SKB_CS(skb) (*(u16 *)(skb_transport_header(skb) + \
872 #define pbd_tcp_flags(tcp_hdr) (ntohl(tcp_flag_word(tcp_hdr))>>16 & 0xff)
875 #define XMIT_CSUM_V4 (1 << 0)
876 #define XMIT_CSUM_V6 (1 << 1)
877 #define XMIT_CSUM_TCP (1 << 2)
878 #define XMIT_GSO_V4 (1 << 3)
879 #define XMIT_GSO_V6 (1 << 4)
880 #define XMIT_CSUM_ENC_V4 (1 << 5)
881 #define XMIT_CSUM_ENC_V6 (1 << 6)
882 #define XMIT_GSO_ENC_V4 (1 << 7)
883 #define XMIT_GSO_ENC_V6 (1 << 8)
885 #define XMIT_CSUM_ENC (XMIT_CSUM_ENC_V4 | XMIT_CSUM_ENC_V6)
886 #define XMIT_GSO_ENC (XMIT_GSO_ENC_V4 | XMIT_GSO_ENC_V6)
888 #define XMIT_CSUM (XMIT_CSUM_V4 | XMIT_CSUM_V6 | XMIT_CSUM_ENC)
889 #define XMIT_GSO (XMIT_GSO_V4 | XMIT_GSO_V6 | XMIT_GSO_ENC)
891 /* stuff added to make the code fit 80Col */
892 #define CQE_TYPE(cqe_fp_flags) ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
893 #define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
894 #define CQE_TYPE_STOP(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
895 #define CQE_TYPE_SLOW(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
896 #define CQE_TYPE_FAST(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
898 #define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
900 #define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
901 (((le16_to_cpu(flags) & \
902 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
903 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
904 == PRS_FLAG_OVERETH_IPV4)
905 #define BNX2X_RX_SUM_FIX(cqe) \
906 BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
908 #define FP_USB_FUNC_OFF \
909 offsetof(struct cstorm_status_block_u, func)
910 #define FP_CSB_FUNC_OFF \
911 offsetof(struct cstorm_status_block_c, func)
913 #define HC_INDEX_ETH_RX_CQ_CONS 1
915 #define HC_INDEX_OOO_TX_CQ_CONS 4
917 #define HC_INDEX_ETH_TX_CQ_CONS_COS0 5
919 #define HC_INDEX_ETH_TX_CQ_CONS_COS1 6
921 #define HC_INDEX_ETH_TX_CQ_CONS_COS2 7
923 #define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
925 #define BNX2X_RX_SB_INDEX \
926 (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
928 #define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
930 #define BNX2X_TX_SB_INDEX_COS0 \
931 (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
933 /* end of fast path */
937 struct bnx2x_common {
940 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
941 #define CHIP_ID(bp) (bp->common.chip_id & 0xfffffff0)
943 #define CHIP_NUM(bp) (bp->common.chip_id >> 16)
944 #define CHIP_NUM_57710 0x164e
945 #define CHIP_NUM_57711 0x164f
946 #define CHIP_NUM_57711E 0x1650
947 #define CHIP_NUM_57712 0x1662
948 #define CHIP_NUM_57712_MF 0x1663
949 #define CHIP_NUM_57712_VF 0x166f
950 #define CHIP_NUM_57713 0x1651
951 #define CHIP_NUM_57713E 0x1652
952 #define CHIP_NUM_57800 0x168a
953 #define CHIP_NUM_57800_MF 0x16a5
954 #define CHIP_NUM_57800_VF 0x16a9
955 #define CHIP_NUM_57810 0x168e
956 #define CHIP_NUM_57810_MF 0x16ae
957 #define CHIP_NUM_57810_VF 0x16af
958 #define CHIP_NUM_57811 0x163d
959 #define CHIP_NUM_57811_MF 0x163e
960 #define CHIP_NUM_57811_VF 0x163f
961 #define CHIP_NUM_57840_OBSOLETE 0x168d
962 #define CHIP_NUM_57840_MF_OBSOLETE 0x16ab
963 #define CHIP_NUM_57840_4_10 0x16a1
964 #define CHIP_NUM_57840_2_20 0x16a2
965 #define CHIP_NUM_57840_MF 0x16a4
966 #define CHIP_NUM_57840_VF 0x16ad
967 #define CHIP_IS_E1(bp) (CHIP_NUM(bp) == CHIP_NUM_57710)
968 #define CHIP_IS_57711(bp) (CHIP_NUM(bp) == CHIP_NUM_57711)
969 #define CHIP_IS_57711E(bp) (CHIP_NUM(bp) == CHIP_NUM_57711E)
970 #define CHIP_IS_57712(bp) (CHIP_NUM(bp) == CHIP_NUM_57712)
971 #define CHIP_IS_57712_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_VF)
972 #define CHIP_IS_57712_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_MF)
973 #define CHIP_IS_57800(bp) (CHIP_NUM(bp) == CHIP_NUM_57800)
974 #define CHIP_IS_57800_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_MF)
975 #define CHIP_IS_57800_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_VF)
976 #define CHIP_IS_57810(bp) (CHIP_NUM(bp) == CHIP_NUM_57810)
977 #define CHIP_IS_57810_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_MF)
978 #define CHIP_IS_57810_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_VF)
979 #define CHIP_IS_57811(bp) (CHIP_NUM(bp) == CHIP_NUM_57811)
980 #define CHIP_IS_57811_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_MF)
981 #define CHIP_IS_57811_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_VF)
982 #define CHIP_IS_57840(bp) \
983 ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
984 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
985 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
986 #define CHIP_IS_57840_MF(bp) ((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
987 (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
988 #define CHIP_IS_57840_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57840_VF)
989 #define CHIP_IS_E1H(bp) (CHIP_IS_57711(bp) || \
991 #define CHIP_IS_57811xx(bp) (CHIP_IS_57811(bp) || \
992 CHIP_IS_57811_MF(bp) || \
993 CHIP_IS_57811_VF(bp))
994 #define CHIP_IS_E2(bp) (CHIP_IS_57712(bp) || \
995 CHIP_IS_57712_MF(bp) || \
996 CHIP_IS_57712_VF(bp))
997 #define CHIP_IS_E3(bp) (CHIP_IS_57800(bp) || \
998 CHIP_IS_57800_MF(bp) || \
999 CHIP_IS_57800_VF(bp) || \
1000 CHIP_IS_57810(bp) || \
1001 CHIP_IS_57810_MF(bp) || \
1002 CHIP_IS_57810_VF(bp) || \
1003 CHIP_IS_57811xx(bp) || \
1004 CHIP_IS_57840(bp) || \
1005 CHIP_IS_57840_MF(bp) || \
1006 CHIP_IS_57840_VF(bp))
1007 #define CHIP_IS_E1x(bp) (CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
1008 #define USES_WARPCORE(bp) (CHIP_IS_E3(bp))
1009 #define IS_E1H_OFFSET (!CHIP_IS_E1(bp))
1011 #define CHIP_REV_SHIFT 12
1012 #define CHIP_REV_MASK (0xF << CHIP_REV_SHIFT)
1013 #define CHIP_REV_VAL(bp) (bp->common.chip_id & CHIP_REV_MASK)
1014 #define CHIP_REV_Ax (0x0 << CHIP_REV_SHIFT)
1015 #define CHIP_REV_Bx (0x1 << CHIP_REV_SHIFT)
1016 /* assume maximum 5 revisions */
1017 #define CHIP_REV_IS_SLOW(bp) (CHIP_REV_VAL(bp) > 0x00005000)
1018 /* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
1019 #define CHIP_REV_IS_EMUL(bp) ((CHIP_REV_IS_SLOW(bp)) && \
1020 !(CHIP_REV_VAL(bp) & 0x00001000))
1021 /* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
1022 #define CHIP_REV_IS_FPGA(bp) ((CHIP_REV_IS_SLOW(bp)) && \
1023 (CHIP_REV_VAL(bp) & 0x00001000))
1025 #define CHIP_TIME(bp) ((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
1026 ((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
1028 #define CHIP_METAL(bp) (bp->common.chip_id & 0x00000ff0)
1029 #define CHIP_BOND_ID(bp) (bp->common.chip_id & 0x0000000f)
1030 #define CHIP_REV_SIM(bp) (((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
1031 (CHIP_REV_SHIFT + 1)) \
1033 #define CHIP_REV(bp) (CHIP_REV_IS_SLOW(bp) ? \
1036 #define CHIP_IS_E3B0(bp) (CHIP_IS_E3(bp) && \
1037 (CHIP_REV(bp) == CHIP_REV_Bx))
1038 #define CHIP_IS_E3A0(bp) (CHIP_IS_E3(bp) && \
1039 (CHIP_REV(bp) == CHIP_REV_Ax))
1040 /* This define is used in two main places:
1041 * 1. In the early stages of nic_load, to know if to configure Parser / Searcher
1042 * to nic-only mode or to offload mode. Offload mode is configured if either the
1043 * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
1044 * registered for this port (which means that the user wants storage services).
1045 * 2. During cnic-related load, to know if offload mode is already configured in
1046 * the HW or needs to be configured.
1047 * Since the transition from nic-mode to offload-mode in HW causes traffic
1048 * corruption, nic-mode is configured only in ports on which storage services
1049 * where never requested.
1051 #define CONFIGURE_NIC_MODE(bp) (!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
1054 #define BNX2X_NVRAM_1MB_SIZE 0x20000 /* 1M bit in bytes */
1055 #define BNX2X_NVRAM_TIMEOUT_COUNT 30000
1056 #define BNX2X_NVRAM_PAGE_SIZE 256
1068 #define INT_BLOCK_HC 0
1069 #define INT_BLOCK_IGU 1
1070 #define INT_BLOCK_MODE_NORMAL 0
1071 #define INT_BLOCK_MODE_BW_COMP 2
1072 #define CHIP_INT_MODE_IS_NBC(bp) \
1073 (!CHIP_IS_E1x(bp) && \
1074 !((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
1075 #define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
1078 #define CHIP_4_PORT_MODE 0x0
1079 #define CHIP_2_PORT_MODE 0x1
1080 #define CHIP_PORT_MODE_NONE 0x2
1081 #define CHIP_MODE(bp) (bp->common.chip_port_mode)
1082 #define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
1087 /* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
1088 #define BNX2X_IGU_STAS_MSG_VF_CNT 64
1089 #define BNX2X_IGU_STAS_MSG_PF_CNT 4
1091 #define MAX_IGU_ATTN_ACK_TO 100
1099 u32 link_config[LINK_CONFIG_SIZE];
1101 u32 supported[LINK_CONFIG_SIZE];
1102 /* link settings - missing defines */
1103 #define SUPPORTED_2500baseX_Full (1 << 15)
1105 u32 advertising[LINK_CONFIG_SIZE];
1106 /* link settings - missing defines */
1107 #define ADVERTISED_2500baseX_Full (1 << 15)
1111 /* used to synchronize phy accesses */
1112 struct mutex phy_mutex;
1116 struct nig_stats old_nig_stats;
1121 #define STATS_OFFSET32(stat_name) \
1122 (offsetof(struct bnx2x_eth_stats, stat_name) / 4)
1126 /* slow path work-queue */
1127 extern struct workqueue_struct *bnx2x_wq;
1129 #define BNX2X_MAX_NUM_OF_VFS 64
1130 #define BNX2X_VF_CID_WND 4 /* log num of queues per VF. HW config. */
1131 #define BNX2X_CIDS_PER_VF (1 << BNX2X_VF_CID_WND)
1133 /* We need to reserve doorbell addresses for all VF and queue combinations */
1134 #define BNX2X_VF_CIDS (BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
1136 /* The doorbell is configured to have the same number of CIDs for PFs and for
1137 * VFs. For this reason the PF CID zone is as large as the VF zone.
1139 #define BNX2X_FIRST_VF_CID BNX2X_VF_CIDS
1140 #define BNX2X_MAX_NUM_VF_QUEUES 64
1141 #define BNX2X_VF_ID_INVALID 0xFF
1143 /* the number of VF CIDS multiplied by the amount of bytes reserved for each
1144 * cid must not exceed the size of the VF doorbell
1146 #define BNX2X_VF_BAR_SIZE 512
1147 #if (BNX2X_VF_BAR_SIZE < BNX2X_CIDS_PER_VF * (1 << BNX2X_DB_SHIFT))
1148 #error "VF doorbell bar size is 512"
1152 * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
1153 * control by the number of fast-path status blocks supported by the
1154 * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
1155 * status block represents an independent interrupts context that can
1156 * serve a regular L2 networking queue. However special L2 queues such
1157 * as the FCoE queue do not require a FP-SB and other components like
1158 * the CNIC may consume FP-SB reducing the number of possible L2 queues
1160 * If the maximum number of FP-SB available is X then:
1161 * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
1162 * regular L2 queues is Y=X-1
1163 * b. In MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
1164 * c. If the FCoE L2 queue is supported the actual number of L2 queues
1166 * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
1167 * slow-path interrupts) or Y+2 if CNIC is supported (one additional
1168 * FP interrupt context for the CNIC).
1169 * e. The number of HW context (CID count) is always X or X+1 if FCoE
1170 * L2 queue is supported. The cid for the FCoE L2 queue is always X.
1173 /* fast-path interrupt contexts E1x */
1174 #define FP_SB_MAX_E1x 16
1175 /* fast-path interrupt contexts E2 */
1176 #define FP_SB_MAX_E2 HC_SB_MAX_SB_E2
1179 struct eth_context eth;
1183 /* CDU host DB constants */
1184 #define CDU_ILT_PAGE_SZ_HW 2
1185 #define CDU_ILT_PAGE_SZ (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
1186 #define ILT_PAGE_CIDS (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
1188 #define CNIC_ISCSI_CID_MAX 256
1189 #define CNIC_FCOE_CID_MAX 2048
1190 #define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
1191 #define CNIC_ILT_LINES DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
1193 #define QM_ILT_PAGE_SZ_HW 0
1194 #define QM_ILT_PAGE_SZ (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
1195 #define QM_CID_ROUND 1024
1197 /* TM (timers) host DB constants */
1198 #define TM_ILT_PAGE_SZ_HW 0
1199 #define TM_ILT_PAGE_SZ (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
1200 #define TM_CONN_NUM (BNX2X_FIRST_VF_CID + \
1203 #define TM_ILT_SZ (8 * TM_CONN_NUM)
1204 #define TM_ILT_LINES DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
1206 /* SRC (Searcher) host DB constants */
1207 #define SRC_ILT_PAGE_SZ_HW 0
1208 #define SRC_ILT_PAGE_SZ (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
1209 #define SRC_HASH_BITS 10
1210 #define SRC_CONN_NUM (1 << SRC_HASH_BITS) /* 1024 */
1211 #define SRC_ILT_SZ (sizeof(struct src_ent) * SRC_CONN_NUM)
1212 #define SRC_T2_SZ SRC_ILT_SZ
1213 #define SRC_ILT_LINES DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
1215 #define MAX_DMAE_C 8
1217 /* DMA memory not used in fastpath */
1218 struct bnx2x_slowpath {
1220 struct mac_configuration_cmd e1x;
1221 struct eth_classify_rules_ramrod_data e2;
1225 struct tstorm_eth_mac_filter_config e1x;
1226 struct eth_filter_rules_ramrod_data e2;
1230 struct mac_configuration_cmd e1;
1231 struct eth_multicast_rules_ramrod_data e2;
1234 struct eth_rss_update_ramrod_data rss_rdata;
1236 /* Queue State related ramrods are always sent under rtnl_lock */
1238 struct client_init_ramrod_data init_data;
1239 struct client_update_ramrod_data update_data;
1243 struct function_start_data func_start;
1244 /* pfc configuration for DCBX ramrod */
1245 struct flow_control_configuration pfc_config;
1248 /* afex ramrod can not be a part of func_rdata union because these
1249 * events might arrive in parallel to other events from func_rdata.
1250 * Therefore, if they would have been defined in the same union,
1251 * data can get corrupted.
1253 struct afex_vif_list_ramrod_data func_afex_rdata;
1255 /* used by dmae command executer */
1256 struct dmae_command dmae[MAX_DMAE_C];
1259 union mac_stats mac_stats;
1260 struct nig_stats nig_stats;
1261 struct host_port_stats port_stats;
1262 struct host_func_stats func_stats;
1267 union drv_info_to_mcp drv_info_to_mcp;
1270 #define bnx2x_sp(bp, var) (&bp->slowpath->var)
1271 #define bnx2x_sp_mapping(bp, var) \
1272 (bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
1274 /* attn group wiring */
1275 #define MAX_DYNAMIC_ATTN_GRPS 8
1290 union cdu_context *vcxt;
1291 dma_addr_t cxt_mapping;
1300 enum bnx2x_recovery_state {
1301 BNX2X_RECOVERY_DONE,
1302 BNX2X_RECOVERY_INIT,
1303 BNX2X_RECOVERY_WAIT,
1304 BNX2X_RECOVERY_FAILED,
1305 BNX2X_RECOVERY_NIC_LOADING
1309 * Event queue (EQ or event ring) MC hsi
1310 * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
1312 #define NUM_EQ_PAGES 1
1313 #define EQ_DESC_CNT_PAGE (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1314 #define EQ_DESC_MAX_PAGE (EQ_DESC_CNT_PAGE - 1)
1315 #define NUM_EQ_DESC (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1316 #define EQ_DESC_MASK (NUM_EQ_DESC - 1)
1317 #define MAX_EQ_AVAIL (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1319 /* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1320 #define NEXT_EQ_IDX(x) ((((x) & EQ_DESC_MAX_PAGE) == \
1321 (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
1323 /* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1324 #define EQ_DESC(x) ((x) & EQ_DESC_MASK)
1326 #define BNX2X_EQ_INDEX \
1327 (&bp->def_status_blk->sp_sb.\
1328 index_values[HC_SP_INDEX_EQ_CONS])
1330 /* This is a data that will be used to create a link report message.
1331 * We will keep the data used for the last link report in order
1332 * to prevent reporting the same link parameters twice.
1334 struct bnx2x_link_report_data {
1335 u16 line_speed; /* Effective line speed */
1336 unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
1340 BNX2X_LINK_REPORT_FD, /* Full DUPLEX */
1341 BNX2X_LINK_REPORT_LINK_DOWN,
1342 BNX2X_LINK_REPORT_RX_FC_ON,
1343 BNX2X_LINK_REPORT_TX_FC_ON,
1347 BNX2X_PORT_QUERY_IDX,
1349 BNX2X_FCOE_QUERY_IDX,
1350 BNX2X_FIRST_QUEUE_QUERY_IDX,
1353 struct bnx2x_fw_stats_req {
1354 struct stats_query_header hdr;
1355 struct stats_query_entry query[FP_SB_MAX_E1x+
1356 BNX2X_FIRST_QUEUE_QUERY_IDX];
1359 struct bnx2x_fw_stats_data {
1360 struct stats_counter storm_counters;
1361 struct per_port_stats port;
1362 struct per_pf_stats pf;
1363 struct fcoe_statistics_params fcoe;
1364 struct per_queue_stats queue_stats[1];
1367 /* Public slow path states */
1369 BNX2X_SP_RTNL_SETUP_TC,
1370 BNX2X_SP_RTNL_TX_TIMEOUT,
1371 BNX2X_SP_RTNL_FAN_FAILURE,
1372 BNX2X_SP_RTNL_AFEX_F_UPDATE,
1373 BNX2X_SP_RTNL_ENABLE_SRIOV,
1374 BNX2X_SP_RTNL_VFPF_MCAST,
1375 BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
1376 BNX2X_SP_RTNL_RX_MODE,
1377 BNX2X_SP_RTNL_HYPERVISOR_VLAN,
1378 BNX2X_SP_RTNL_TX_STOP,
1379 BNX2X_SP_RTNL_TX_RESUME,
1382 struct bnx2x_prev_path_list {
1383 struct list_head list;
1391 struct bnx2x_sp_objs {
1393 struct bnx2x_vlan_mac_obj mac_obj;
1395 /* Queue State object */
1396 struct bnx2x_queue_sp_obj q_obj;
1399 struct bnx2x_fp_stats {
1400 struct tstorm_per_queue_stats old_tclient;
1401 struct ustorm_per_queue_stats old_uclient;
1402 struct xstorm_per_queue_stats old_xclient;
1403 struct bnx2x_eth_q_stats eth_q_stats;
1404 struct bnx2x_eth_q_stats_old eth_q_stats_old;
1408 /* Fields used in the tx and intr/napi performance paths
1409 * are grouped together in the beginning of the structure
1411 struct bnx2x_fastpath *fp;
1412 struct bnx2x_sp_objs *sp_objs;
1413 struct bnx2x_fp_stats *fp_stats;
1414 struct bnx2x_fp_txdata *bnx2x_txq;
1415 void __iomem *regview;
1416 void __iomem *doorbells;
1419 u8 pf_num; /* absolute PF number */
1420 u8 pfid; /* per-path PF number */
1421 int base_fw_ndsb; /**/
1422 #define BP_PATH(bp) (CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
1423 #define BP_PORT(bp) (bp->pfid & 1)
1424 #define BP_FUNC(bp) (bp->pfid)
1425 #define BP_ABS_FUNC(bp) (bp->pf_num)
1426 #define BP_VN(bp) ((bp)->pfid >> 1)
1427 #define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
1428 #define BP_L_ID(bp) (BP_VN(bp) << 2)
1429 #define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\
1430 (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1))
1431 #define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp))
1433 #ifdef CONFIG_BNX2X_SRIOV
1434 /* protects vf2pf mailbox from simultaneous access */
1435 struct mutex vf2pf_mutex;
1436 /* vf pf channel mailbox contains request and response buffers */
1437 struct bnx2x_vf_mbx_msg *vf2pf_mbox;
1438 dma_addr_t vf2pf_mbox_mapping;
1440 /* we set aside a copy of the acquire response */
1441 struct pfvf_acquire_resp_tlv acquire_resp;
1443 /* bulletin board for messages from pf to vf */
1444 union pf_vf_bulletin *pf2vf_bulletin;
1445 dma_addr_t pf2vf_bulletin_mapping;
1447 struct pf_vf_bulletin_content old_bulletin;
1449 u16 requested_nr_virtfn;
1450 #endif /* CONFIG_BNX2X_SRIOV */
1452 struct net_device *dev;
1453 struct pci_dev *pdev;
1455 const struct iro *iro_arr;
1456 #define IRO (bp->iro_arr)
1458 enum bnx2x_recovery_state recovery_state;
1460 struct msix_entry *msix_table;
1464 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
1465 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
1466 #define ETH_MIN_PACKET_SIZE 60
1467 #define ETH_MAX_PACKET_SIZE 1500
1468 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
1469 /* TCP with Timestamp Option (32) + IPv6 (40) */
1470 #define ETH_MAX_TPA_HEADER_SIZE 72
1472 /* Max supported alignment is 256 (8 shift) */
1473 #define BNX2X_RX_ALIGN_SHIFT min(8, L1_CACHE_SHIFT)
1475 /* FW uses 2 Cache lines Alignment for start packet and size
1477 * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
1478 * at the end of skb->data, to avoid wasting a full cache line.
1479 * This reduces memory use (skb->truesize).
1481 #define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT)
1483 #define BNX2X_FW_RX_ALIGN_END \
1484 max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT, \
1485 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1487 #define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5)
1489 struct host_sp_status_block *def_status_blk;
1490 #define DEF_SB_IGU_ID 16
1491 #define DEF_SB_ID HC_SP_SB_ID
1495 struct attn_route attn_group[MAX_DYNAMIC_ATTN_GRPS];
1497 /* slow path ring */
1498 struct eth_spe *spq;
1499 dma_addr_t spq_mapping;
1501 struct eth_spe *spq_prod_bd;
1502 struct eth_spe *spq_last_bd;
1503 __le16 *dsb_sp_prod;
1504 atomic_t cq_spq_left; /* ETH_XXX ramrods credit */
1505 /* used to synchronize spq accesses */
1506 spinlock_t spq_lock;
1509 union event_ring_elem *eq_ring;
1510 dma_addr_t eq_mapping;
1514 atomic_t eq_spq_left; /* COMMON_XXX ramrods credit */
1516 /* Counter for marking that there is a STAT_QUERY ramrod pending */
1518 /* Counter for completed statistics ramrods */
1521 /* End of fields used in the performance code paths */
1527 #define PCIX_FLAG (1 << 0)
1528 #define PCI_32BIT_FLAG (1 << 1)
1529 #define ONE_PORT_FLAG (1 << 2)
1530 #define NO_WOL_FLAG (1 << 3)
1531 #define USING_MSIX_FLAG (1 << 5)
1532 #define USING_MSI_FLAG (1 << 6)
1533 #define DISABLE_MSI_FLAG (1 << 7)
1534 #define TPA_ENABLE_FLAG (1 << 8)
1535 #define NO_MCP_FLAG (1 << 9)
1536 #define GRO_ENABLE_FLAG (1 << 10)
1537 #define MF_FUNC_DIS (1 << 11)
1538 #define OWN_CNIC_IRQ (1 << 12)
1539 #define NO_ISCSI_OOO_FLAG (1 << 13)
1540 #define NO_ISCSI_FLAG (1 << 14)
1541 #define NO_FCOE_FLAG (1 << 15)
1542 #define BC_SUPPORTS_PFC_STATS (1 << 17)
1543 #define BC_SUPPORTS_FCOE_FEATURES (1 << 19)
1544 #define USING_SINGLE_MSIX_FLAG (1 << 20)
1545 #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21)
1546 #define IS_VF_FLAG (1 << 22)
1547 #define INTERRUPTS_ENABLED_FLAG (1 << 23)
1548 #define BC_SUPPORTS_RMMOD_CMD (1 << 24)
1549 #define HAS_PHYS_PORT_ID (1 << 25)
1551 #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
1553 #ifdef CONFIG_BNX2X_SRIOV
1554 #define IS_VF(bp) ((bp)->flags & IS_VF_FLAG)
1555 #define IS_PF(bp) (!((bp)->flags & IS_VF_FLAG))
1557 #define IS_VF(bp) false
1558 #define IS_PF(bp) true
1561 #define NO_ISCSI(bp) ((bp)->flags & NO_ISCSI_FLAG)
1562 #define NO_ISCSI_OOO(bp) ((bp)->flags & NO_ISCSI_OOO_FLAG)
1563 #define NO_FCOE(bp) ((bp)->flags & NO_FCOE_FLAG)
1568 struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
1570 /* Flag that indicates that we can start looking for FCoE L2 queue
1571 * completions in the default status block.
1577 struct delayed_work sp_task;
1578 atomic_t interrupt_occurred;
1579 struct delayed_work sp_rtnl_task;
1581 struct delayed_work period_task;
1582 struct timer_list timer;
1583 int current_interval;
1586 u16 fw_drv_pulse_wr_seq;
1589 struct link_params link_params;
1590 struct link_vars link_vars;
1592 struct bnx2x_link_report_data last_reported_link;
1594 struct mdio_if_info mdio;
1596 struct bnx2x_common common;
1597 struct bnx2x_port port;
1599 struct cmng_init cmng;
1601 u32 mf_config[E1HVN_MAX];
1603 u32 path_has_ovlan; /* E3 */
1606 #define IS_MF(bp) (bp->mf_mode != 0)
1607 #define IS_MF_SI(bp) (bp->mf_mode == MULTI_FUNCTION_SI)
1608 #define IS_MF_SD(bp) (bp->mf_mode == MULTI_FUNCTION_SD)
1609 #define IS_MF_AFEX(bp) (bp->mf_mode == MULTI_FUNCTION_AFEX)
1615 u16 tx_quick_cons_trip_int;
1616 u16 tx_quick_cons_trip;
1620 u16 rx_quick_cons_trip_int;
1621 u16 rx_quick_cons_trip;
1624 /* Maximal coalescing timeout in us */
1625 #define BNX2X_MAX_COALESCE_TOUT (0xff*BNX2X_BTR)
1630 #define BNX2X_STATE_CLOSED 0
1631 #define BNX2X_STATE_OPENING_WAIT4_LOAD 0x1000
1632 #define BNX2X_STATE_OPENING_WAIT4_PORT 0x2000
1633 #define BNX2X_STATE_OPEN 0x3000
1634 #define BNX2X_STATE_CLOSING_WAIT4_HALT 0x4000
1635 #define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
1637 #define BNX2X_STATE_DIAG 0xe000
1638 #define BNX2X_STATE_ERROR 0xf000
1640 #define BNX2X_MAX_PRIORITY 8
1641 #define BNX2X_MAX_ENTRIES_PER_PRI 16
1642 #define BNX2X_MAX_COS 3
1643 #define BNX2X_MAX_TX_COS 2
1645 uint num_ethernet_queues;
1646 uint num_cnic_queues;
1647 int num_napi_queues;
1651 #define BNX2X_RX_MODE_NONE 0
1652 #define BNX2X_RX_MODE_NORMAL 1
1653 #define BNX2X_RX_MODE_ALLMULTI 2
1654 #define BNX2X_RX_MODE_PROMISC 3
1655 #define BNX2X_MAX_MULTICAST 64
1660 u8 min_msix_vec_cnt;
1663 dma_addr_t def_status_blk_mapping;
1665 struct bnx2x_slowpath *slowpath;
1666 dma_addr_t slowpath_mapping;
1668 /* Total number of FW statistics requests */
1672 * This is a memory buffer that will contain both statistics
1673 * ramrod request and data.
1676 dma_addr_t fw_stats_mapping;
1679 * FW statistics request shortcut (points at the
1680 * beginning of fw_stats buffer).
1682 struct bnx2x_fw_stats_req *fw_stats_req;
1683 dma_addr_t fw_stats_req_mapping;
1684 int fw_stats_req_sz;
1687 * FW statistics data shortcut (points at the beginning of
1688 * fw_stats buffer + fw_stats_req_sz).
1690 struct bnx2x_fw_stats_data *fw_stats_data;
1691 dma_addr_t fw_stats_data_mapping;
1692 int fw_stats_data_sz;
1694 /* For max 1024 cids (VF RSS), 32KB ILT page size and 1KB
1695 * context size we need 8 ILT entries.
1697 #define ILT_MAX_L2_LINES 32
1698 struct hw_context context[ILT_MAX_L2_LINES];
1700 struct bnx2x_ilt *ilt;
1701 #define BP_ILT(bp) ((bp)->ilt)
1702 #define ILT_MAX_LINES 256
1704 * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
1707 #define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
1710 * Maximum CID count that might be required by the bnx2x:
1711 * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
1714 #define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
1715 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1716 #define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
1717 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1718 #define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
1726 dma_addr_t t2_mapping;
1727 struct cnic_ops __rcu *cnic_ops;
1730 struct cnic_eth_dev cnic_eth_dev;
1731 union host_hc_status_block cnic_sb;
1732 dma_addr_t cnic_sb_mapping;
1733 struct eth_spe *cnic_kwq;
1734 struct eth_spe *cnic_kwq_prod;
1735 struct eth_spe *cnic_kwq_cons;
1736 struct eth_spe *cnic_kwq_last;
1737 u16 cnic_kwq_pending;
1738 u16 cnic_spq_pending;
1739 u8 fip_mac[ETH_ALEN];
1740 struct mutex cnic_mutex;
1741 struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
1743 /* Start index of the "special" (CNIC related) L2 clients */
1747 /* used to synchronize dmae accesses */
1748 spinlock_t dmae_lock;
1750 /* used to protect the FW mail box */
1751 struct mutex fw_mb_mutex;
1753 /* used to synchronize stats collecting */
1756 /* used for synchronization of concurrent threads statistics handling */
1757 spinlock_t stats_lock;
1759 /* used by dmae command loader */
1760 struct dmae_command stats_dmae;
1764 struct bnx2x_eth_stats eth_stats;
1765 struct host_func_stats func_stats;
1766 struct bnx2x_eth_stats_old eth_stats_old;
1767 struct bnx2x_net_stats_old net_stats_old;
1768 struct bnx2x_fw_port_stats_old fw_stats_old;
1771 struct z_stream_s *strm;
1773 dma_addr_t gunzip_mapping;
1775 #define FW_BUF_SIZE 0x8000
1776 #define GUNZIP_BUF(bp) (bp->gunzip_buf)
1777 #define GUNZIP_PHYS(bp) (bp->gunzip_mapping)
1778 #define GUNZIP_OUTLEN(bp) (bp->gunzip_outlen)
1780 struct raw_op *init_ops;
1781 /* Init blocks offsets inside init_ops */
1782 u16 *init_ops_offsets;
1783 /* Data blob - has 32 bit granularity */
1785 u32 init_mode_flags;
1786 #define INIT_MODE_FLAGS(bp) (bp->init_mode_flags)
1787 /* Zipped PRAM blobs - raw data */
1788 const u8 *tsem_int_table_data;
1789 const u8 *tsem_pram_data;
1790 const u8 *usem_int_table_data;
1791 const u8 *usem_pram_data;
1792 const u8 *xsem_int_table_data;
1793 const u8 *xsem_pram_data;
1794 const u8 *csem_int_table_data;
1795 const u8 *csem_pram_data;
1796 #define INIT_OPS(bp) (bp->init_ops)
1797 #define INIT_OPS_OFFSETS(bp) (bp->init_ops_offsets)
1798 #define INIT_DATA(bp) (bp->init_data)
1799 #define INIT_TSEM_INT_TABLE_DATA(bp) (bp->tsem_int_table_data)
1800 #define INIT_TSEM_PRAM_DATA(bp) (bp->tsem_pram_data)
1801 #define INIT_USEM_INT_TABLE_DATA(bp) (bp->usem_int_table_data)
1802 #define INIT_USEM_PRAM_DATA(bp) (bp->usem_pram_data)
1803 #define INIT_XSEM_INT_TABLE_DATA(bp) (bp->xsem_int_table_data)
1804 #define INIT_XSEM_PRAM_DATA(bp) (bp->xsem_pram_data)
1805 #define INIT_CSEM_INT_TABLE_DATA(bp) (bp->csem_int_table_data)
1806 #define INIT_CSEM_PRAM_DATA(bp) (bp->csem_pram_data)
1808 #define PHY_FW_VER_LEN 20
1810 const struct firmware *firmware;
1812 struct bnx2x_vfdb *vfdb;
1813 #define IS_SRIOV(bp) ((bp)->vfdb)
1815 /* DCB support on/off */
1817 #define BNX2X_DCB_STATE_OFF 0
1818 #define BNX2X_DCB_STATE_ON 1
1820 /* DCBX engine mode */
1822 #define BNX2X_DCBX_ENABLED_OFF 0
1823 #define BNX2X_DCBX_ENABLED_ON_NEG_OFF 1
1824 #define BNX2X_DCBX_ENABLED_ON_NEG_ON 2
1825 #define BNX2X_DCBX_ENABLED_INVALID (-1)
1827 bool dcbx_mode_uset;
1829 struct bnx2x_config_dcbx_params dcbx_config_params;
1830 struct bnx2x_dcbx_port_params dcbx_port_params;
1833 /* CAM credit pools */
1835 /* used only in sriov */
1836 struct bnx2x_credit_pool_obj vlans_pool;
1838 struct bnx2x_credit_pool_obj macs_pool;
1840 /* RX_MODE object */
1841 struct bnx2x_rx_mode_obj rx_mode_obj;
1844 struct bnx2x_mcast_obj mcast_obj;
1846 /* RSS configuration object */
1847 struct bnx2x_rss_config_obj rss_conf_obj;
1849 /* Function State controlling object */
1850 struct bnx2x_func_sp_obj func_obj;
1852 unsigned long sp_state;
1854 /* operation indication for the sp_rtnl task */
1855 unsigned long sp_rtnl_state;
1857 /* DCBX Negotiation results */
1858 struct dcbx_features dcbx_local_feat;
1862 struct dcbx_features dcbx_remote_feat;
1863 u32 dcbx_remote_flags;
1865 /* AFEX: store default vlan used */
1866 int afex_def_vlan_tag;
1867 enum mf_cfg_afex_vlan_mode afex_vlan_mode;
1870 /* multiple tx classes of service */
1873 /* priority to cos mapping */
1877 u32 dump_preset_idx;
1879 struct semaphore stats_sema;
1881 u8 phys_port_id[ETH_ALEN];
1884 /* Tx queues may be less or equal to Rx queues */
1885 extern int num_queues;
1886 #define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
1887 #define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
1888 #define BNX2X_NUM_NON_CNIC_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - \
1889 (bp)->num_cnic_queues)
1890 #define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
1892 #define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
1894 #define BNX2X_MAX_QUEUES(bp) BNX2X_MAX_RSS_COUNT(bp)
1895 /* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
1897 #define RSS_IPV4_CAP_MASK \
1898 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
1900 #define RSS_IPV4_TCP_CAP_MASK \
1901 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
1903 #define RSS_IPV6_CAP_MASK \
1904 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
1906 #define RSS_IPV6_TCP_CAP_MASK \
1907 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
1909 /* func init flags */
1910 #define FUNC_FLG_RSS 0x0001
1911 #define FUNC_FLG_STATS 0x0002
1912 /* removed FUNC_FLG_UNMATCHED 0x0004 */
1913 #define FUNC_FLG_TPA 0x0008
1914 #define FUNC_FLG_SPQ 0x0010
1915 #define FUNC_FLG_LEADING 0x0020 /* PF only */
1916 #define FUNC_FLG_LEADING_STATS 0x0040
1917 struct bnx2x_func_init_params {
1919 dma_addr_t fw_stat_map; /* valid iff FUNC_FLG_STATS */
1920 dma_addr_t spq_map; /* valid iff FUNC_FLG_SPQ */
1923 u16 func_id; /* abs fid */
1925 u16 spq_prod; /* valid iff FUNC_FLG_SPQ */
1928 #define for_each_cnic_queue(bp, var) \
1929 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1931 if (skip_queue(bp, var)) \
1935 #define for_each_eth_queue(bp, var) \
1936 for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1938 #define for_each_nondefault_eth_queue(bp, var) \
1939 for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1941 #define for_each_queue(bp, var) \
1942 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1943 if (skip_queue(bp, var)) \
1947 /* Skip forwarding FP */
1948 #define for_each_valid_rx_queue(bp, var) \
1950 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
1951 BNX2X_NUM_ETH_QUEUES(bp)); \
1953 if (skip_rx_queue(bp, var)) \
1957 #define for_each_rx_queue_cnic(bp, var) \
1958 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1960 if (skip_rx_queue(bp, var)) \
1964 #define for_each_rx_queue(bp, var) \
1965 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1966 if (skip_rx_queue(bp, var)) \
1971 #define for_each_valid_tx_queue(bp, var) \
1973 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
1974 BNX2X_NUM_ETH_QUEUES(bp)); \
1976 if (skip_tx_queue(bp, var)) \
1980 #define for_each_tx_queue_cnic(bp, var) \
1981 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1983 if (skip_tx_queue(bp, var)) \
1987 #define for_each_tx_queue(bp, var) \
1988 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1989 if (skip_tx_queue(bp, var)) \
1993 #define for_each_nondefault_queue(bp, var) \
1994 for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1995 if (skip_queue(bp, var)) \
1999 #define for_each_cos_in_tx_queue(fp, var) \
2000 for ((var) = 0; (var) < (fp)->max_cos; (var)++)
2003 * if FCOE l2 support is disabled and this is the fcoe L2 queue
2005 #define skip_rx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2008 * if FCOE l2 support is disabled and this is the fcoe L2 queue
2010 #define skip_tx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2012 #define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2015 * bnx2x_set_mac_one - configure a single MAC address
2017 * @bp: driver handle
2018 * @mac: MAC to configure
2019 * @obj: MAC object handle
2020 * @set: if 'true' add a new MAC, otherwise - delete
2021 * @mac_type: the type of the MAC to configure (e.g. ETH, UC list)
2022 * @ramrod_flags: RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
2024 * Configures one MAC according to provided parameters or continues the
2025 * execution of previously scheduled commands if RAMROD_CONT is set in
2028 * Returns zero if operation has successfully completed, a positive value if the
2029 * operation has been successfully scheduled and a negative - if a requested
2030 * operations has failed.
2032 int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
2033 struct bnx2x_vlan_mac_obj *obj, bool set,
2034 int mac_type, unsigned long *ramrod_flags);
2036 * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
2038 * @bp: driver handle
2039 * @mac_obj: MAC object handle
2040 * @mac_type: type of the MACs to clear (BNX2X_XXX_MAC)
2041 * @wait_for_comp: if 'true' block until completion
2043 * Deletes all MACs of the specific type (e.g. ETH, UC list).
2045 * Returns zero if operation has successfully completed, a positive value if the
2046 * operation has been successfully scheduled and a negative - if a requested
2047 * operations has failed.
2049 int bnx2x_del_all_macs(struct bnx2x *bp,
2050 struct bnx2x_vlan_mac_obj *mac_obj,
2051 int mac_type, bool wait_for_comp);
2053 /* Init Function API */
2054 void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
2055 void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
2056 u8 vf_valid, int fw_sb_id, int igu_sb_id);
2057 u32 bnx2x_get_pretend_reg(struct bnx2x *bp);
2058 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
2059 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2060 int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
2061 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2062 void bnx2x_read_mf_cfg(struct bnx2x *bp);
2064 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
2067 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
2068 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
2070 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
2071 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
2072 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
2073 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
2074 bool with_comp, u8 comp_type);
2076 void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2077 u8 src_type, u8 dst_type);
2078 int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2081 /* FLR related routines */
2082 u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
2083 void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
2084 int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
2085 u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
2086 int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
2087 char *msg, u32 poll_cnt);
2089 void bnx2x_calc_fc_adv(struct bnx2x *bp);
2090 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2091 u32 data_hi, u32 data_lo, int cmd_type);
2092 void bnx2x_update_coalesce(struct bnx2x *bp);
2093 int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
2095 bool bnx2x_port_after_undi(struct bnx2x *bp);
2097 static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
2103 val = REG_RD(bp, reg);
2104 if (val == expected)
2114 void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
2117 #define BNX2X_ILT_ZALLOC(x, y, size) \
2118 x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL)
2120 #define BNX2X_ILT_FREE(x, y, size) \
2123 dma_free_coherent(&bp->pdev->dev, size, x, y); \
2129 #define ILOG2(x) (ilog2((x)))
2131 #define ILT_NUM_PAGE_ENTRIES (3072)
2132 /* In 57710/11 we use whole table since we have 8 func
2133 * In 57712 we have only 4 func, but use same size per func, then only half of
2136 #define ILT_PER_FUNC (ILT_NUM_PAGE_ENTRIES/8)
2138 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
2140 * the phys address is shifted right 12 bits and has an added
2141 * 1=valid bit added to the 53rd bit
2142 * then since this is a wide register(TM)
2143 * we split it into two 32 bit writes
2145 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
2146 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
2148 /* load/unload mode */
2149 #define LOAD_NORMAL 0
2152 #define LOAD_LOOPBACK_EXT 3
2153 #define UNLOAD_NORMAL 0
2154 #define UNLOAD_CLOSE 1
2155 #define UNLOAD_RECOVERY 2
2157 /* DMAE command defines */
2158 #define DMAE_TIMEOUT -1
2159 #define DMAE_PCI_ERROR -2 /* E2 and onward */
2160 #define DMAE_NOT_RDY -3
2161 #define DMAE_PCI_ERR_FLAG 0x80000000
2163 #define DMAE_SRC_PCI 0
2164 #define DMAE_SRC_GRC 1
2166 #define DMAE_DST_NONE 0
2167 #define DMAE_DST_PCI 1
2168 #define DMAE_DST_GRC 2
2170 #define DMAE_COMP_PCI 0
2171 #define DMAE_COMP_GRC 1
2173 /* E2 and onward - PCI error handling in the completion */
2175 #define DMAE_COMP_REGULAR 0
2176 #define DMAE_COM_SET_ERR 1
2178 #define DMAE_CMD_SRC_PCI (DMAE_SRC_PCI << \
2179 DMAE_COMMAND_SRC_SHIFT)
2180 #define DMAE_CMD_SRC_GRC (DMAE_SRC_GRC << \
2181 DMAE_COMMAND_SRC_SHIFT)
2183 #define DMAE_CMD_DST_PCI (DMAE_DST_PCI << \
2184 DMAE_COMMAND_DST_SHIFT)
2185 #define DMAE_CMD_DST_GRC (DMAE_DST_GRC << \
2186 DMAE_COMMAND_DST_SHIFT)
2188 #define DMAE_CMD_C_DST_PCI (DMAE_COMP_PCI << \
2189 DMAE_COMMAND_C_DST_SHIFT)
2190 #define DMAE_CMD_C_DST_GRC (DMAE_COMP_GRC << \
2191 DMAE_COMMAND_C_DST_SHIFT)
2193 #define DMAE_CMD_C_ENABLE DMAE_COMMAND_C_TYPE_ENABLE
2195 #define DMAE_CMD_ENDIANITY_NO_SWAP (0 << DMAE_COMMAND_ENDIANITY_SHIFT)
2196 #define DMAE_CMD_ENDIANITY_B_SWAP (1 << DMAE_COMMAND_ENDIANITY_SHIFT)
2197 #define DMAE_CMD_ENDIANITY_DW_SWAP (2 << DMAE_COMMAND_ENDIANITY_SHIFT)
2198 #define DMAE_CMD_ENDIANITY_B_DW_SWAP (3 << DMAE_COMMAND_ENDIANITY_SHIFT)
2200 #define DMAE_CMD_PORT_0 0
2201 #define DMAE_CMD_PORT_1 DMAE_COMMAND_PORT
2203 #define DMAE_CMD_SRC_RESET DMAE_COMMAND_SRC_RESET
2204 #define DMAE_CMD_DST_RESET DMAE_COMMAND_DST_RESET
2205 #define DMAE_CMD_E1HVN_SHIFT DMAE_COMMAND_E1HVN_SHIFT
2207 #define DMAE_SRC_PF 0
2208 #define DMAE_SRC_VF 1
2210 #define DMAE_DST_PF 0
2211 #define DMAE_DST_VF 1
2213 #define DMAE_C_SRC 0
2214 #define DMAE_C_DST 1
2216 #define DMAE_LEN32_RD_MAX 0x80
2217 #define DMAE_LEN32_WR_MAX(bp) (CHIP_IS_E1(bp) ? 0x400 : 0x2000)
2219 #define DMAE_COMP_VAL 0x60d0d0ae /* E2 and on - upper bit
2223 #define MAX_DMAE_C_PER_PORT 8
2224 #define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2226 #define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2229 /* PCIE link and speed */
2230 #define PCICFG_LINK_WIDTH 0x1f00000
2231 #define PCICFG_LINK_WIDTH_SHIFT 20
2232 #define PCICFG_LINK_SPEED 0xf0000
2233 #define PCICFG_LINK_SPEED_SHIFT 16
2235 #define BNX2X_NUM_TESTS_SF 7
2236 #define BNX2X_NUM_TESTS_MF 3
2237 #define BNX2X_NUM_TESTS(bp) (IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
2238 IS_VF(bp) ? 0 : BNX2X_NUM_TESTS_SF)
2240 #define BNX2X_PHY_LOOPBACK 0
2241 #define BNX2X_MAC_LOOPBACK 1
2242 #define BNX2X_EXT_LOOPBACK 2
2243 #define BNX2X_PHY_LOOPBACK_FAILED 1
2244 #define BNX2X_MAC_LOOPBACK_FAILED 2
2245 #define BNX2X_EXT_LOOPBACK_FAILED 3
2246 #define BNX2X_LOOPBACK_FAILED (BNX2X_MAC_LOOPBACK_FAILED | \
2247 BNX2X_PHY_LOOPBACK_FAILED)
2249 #define STROM_ASSERT_ARRAY_SIZE 50
2251 /* must be used on a CID before placing it on a HW ring */
2252 #define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
2253 (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
2256 #define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
2257 #define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
2260 #define MAX_SPQ_PENDING 8
2262 /* CMNG constants, as derived from system spec calculations */
2263 /* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
2264 #define DEF_MIN_RATE 100
2265 /* resolution of the rate shaping timer - 400 usec */
2266 #define RS_PERIODIC_TIMEOUT_USEC 400
2267 /* number of bytes in single QM arbitration cycle -
2268 * coefficient for calculating the fairness timer */
2269 #define QM_ARB_BYTES 160000
2270 /* resolution of Min algorithm 1:100 */
2272 /* how many bytes above threshold for the minimal credit of Min algorithm*/
2273 #define MIN_ABOVE_THRESH 32768
2274 /* Fairness algorithm integration time coefficient -
2275 * for calculating the actual Tfair */
2276 #define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES)
2277 /* Memory of fairness algorithm . 2 cycles */
2280 #define ATTN_NIG_FOR_FUNC (1L << 8)
2281 #define ATTN_SW_TIMER_4_FUNC (1L << 9)
2282 #define GPIO_2_FUNC (1L << 10)
2283 #define GPIO_3_FUNC (1L << 11)
2284 #define GPIO_4_FUNC (1L << 12)
2285 #define ATTN_GENERAL_ATTN_1 (1L << 13)
2286 #define ATTN_GENERAL_ATTN_2 (1L << 14)
2287 #define ATTN_GENERAL_ATTN_3 (1L << 15)
2288 #define ATTN_GENERAL_ATTN_4 (1L << 13)
2289 #define ATTN_GENERAL_ATTN_5 (1L << 14)
2290 #define ATTN_GENERAL_ATTN_6 (1L << 15)
2292 #define ATTN_HARD_WIRED_MASK 0xff00
2293 #define ATTENTION_ID 4
2295 #define IS_MF_STORAGE_ONLY(bp) (IS_MF_STORAGE_SD(bp) || \
2296 IS_MF_FCOE_AFEX(bp))
2298 /* stuff added to make the code fit 80Col */
2300 #define BNX2X_PMF_LINK_ASSERT \
2301 GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
2303 #define BNX2X_MC_ASSERT_BITS \
2304 (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2305 GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2306 GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2307 GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2309 #define BNX2X_MCP_ASSERT \
2310 GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2312 #define BNX2X_GRC_TIMEOUT GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2313 #define BNX2X_GRC_RSV (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2314 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2315 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2316 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2317 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2318 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2320 #define HW_INTERRUT_ASSERT_SET_0 \
2321 (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
2322 AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
2323 AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
2324 AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
2325 AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
2326 #define HW_PRTY_ASSERT_SET_0 (AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
2327 AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
2328 AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
2329 AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
2330 AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
2331 AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
2332 AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
2333 #define HW_INTERRUT_ASSERT_SET_1 \
2334 (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
2335 AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
2336 AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
2337 AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
2338 AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
2339 AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
2340 AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
2341 AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
2342 AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
2343 AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
2344 AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
2345 #define HW_PRTY_ASSERT_SET_1 (AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
2346 AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
2347 AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
2348 AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
2349 AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
2350 AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
2351 AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
2352 AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
2353 AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
2354 AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
2355 AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
2356 AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
2357 AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
2358 AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
2359 AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
2360 AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
2361 #define HW_INTERRUT_ASSERT_SET_2 \
2362 (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
2363 AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
2364 AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
2365 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
2366 AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
2367 #define HW_PRTY_ASSERT_SET_2 (AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
2368 AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
2369 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
2370 AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
2371 AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
2372 AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
2373 AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
2374 AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
2376 #define HW_PRTY_ASSERT_SET_3 (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
2377 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
2378 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY | \
2379 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
2381 #define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
2382 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
2384 #define MULTI_MASK 0x7f
2386 #define DEF_USB_FUNC_OFF offsetof(struct cstorm_def_status_block_u, func)
2387 #define DEF_CSB_FUNC_OFF offsetof(struct cstorm_def_status_block_c, func)
2388 #define DEF_XSB_FUNC_OFF offsetof(struct xstorm_def_status_block, func)
2389 #define DEF_TSB_FUNC_OFF offsetof(struct tstorm_def_status_block, func)
2391 #define DEF_USB_IGU_INDEX_OFF \
2392 offsetof(struct cstorm_def_status_block_u, igu_index)
2393 #define DEF_CSB_IGU_INDEX_OFF \
2394 offsetof(struct cstorm_def_status_block_c, igu_index)
2395 #define DEF_XSB_IGU_INDEX_OFF \
2396 offsetof(struct xstorm_def_status_block, igu_index)
2397 #define DEF_TSB_IGU_INDEX_OFF \
2398 offsetof(struct tstorm_def_status_block, igu_index)
2400 #define DEF_USB_SEGMENT_OFF \
2401 offsetof(struct cstorm_def_status_block_u, segment)
2402 #define DEF_CSB_SEGMENT_OFF \
2403 offsetof(struct cstorm_def_status_block_c, segment)
2404 #define DEF_XSB_SEGMENT_OFF \
2405 offsetof(struct xstorm_def_status_block, segment)
2406 #define DEF_TSB_SEGMENT_OFF \
2407 offsetof(struct tstorm_def_status_block, segment)
2409 #define BNX2X_SP_DSB_INDEX \
2410 (&bp->def_status_blk->sp_sb.\
2411 index_values[HC_SP_INDEX_ETH_DEF_CONS])
2413 #define CAM_IS_INVALID(x) \
2414 (GET_FLAG(x.flags, \
2415 MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
2416 (T_ETH_MAC_COMMAND_INVALIDATE))
2418 /* Number of u32 elements in MC hash array */
2419 #define MC_HASH_SIZE 8
2420 #define MC_HASH_OFFSET(bp, i) (BAR_TSTRORM_INTMEM + \
2421 TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
2423 #ifndef PXP2_REG_PXP2_INT_STS
2424 #define PXP2_REG_PXP2_INT_STS PXP2_REG_PXP2_INT_STS_0
2427 #ifndef ETH_MAX_RX_CLIENTS_E2
2428 #define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
2431 #define BNX2X_VPD_LEN 128
2432 #define VENDOR_ID_LEN 4
2434 #define VF_ACQUIRE_THRESH 3
2435 #define VF_ACQUIRE_MAC_FILTERS 1
2436 #define VF_ACQUIRE_MC_FILTERS 10
2438 #define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
2439 (!((me_reg) & ME_REG_VF_ERR)))
2440 int bnx2x_nic_load_analyze_req(struct bnx2x *bp, u32 load_code);
2441 /* Congestion management fairness mode */
2442 #define CMNG_FNS_NONE 0
2443 #define CMNG_FNS_MINMAX 1
2445 #define HC_SEG_ACCESS_DEF 0 /*Driver decision 0-3*/
2446 #define HC_SEG_ACCESS_ATTN 4
2447 #define HC_SEG_ACCESS_NORM 0 /*Driver decision 0-1*/
2449 static const u32 dmae_reg_go_c[] = {
2450 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
2451 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
2452 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
2453 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
2456 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev);
2457 void bnx2x_notify_link_changed(struct bnx2x *bp);
2459 #define BNX2X_MF_SD_PROTOCOL(bp) \
2460 ((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
2462 #define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
2463 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
2465 #define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
2466 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
2468 #define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
2469 #define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
2471 #define BNX2X_MF_EXT_PROTOCOL_FCOE(bp) ((bp)->mf_ext_config & \
2472 MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2474 #define IS_MF_FCOE_AFEX(bp) (IS_MF_AFEX(bp) && BNX2X_MF_EXT_PROTOCOL_FCOE(bp))
2475 #define IS_MF_STORAGE_SD(bp) (IS_MF_SD(bp) && \
2476 (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) || \
2477 BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
2479 #define SET_FLAG(value, mask, flag) \
2481 (value) &= ~(mask);\
2482 (value) |= ((flag) << (mask##_SHIFT));\
2485 #define GET_FLAG(value, mask) \
2486 (((value) & (mask)) >> (mask##_SHIFT))
2488 #define GET_FIELD(value, fname) \
2489 (((value) & (fname##_MASK)) >> (fname##_SHIFT))
2498 void bnx2x_set_local_cmng(struct bnx2x *bp);
2500 #define MCPR_SCRATCH_BASE(bp) \
2501 (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
2503 #endif /* bnx2x.h */