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0001 /* bnx2x.h: QLogic Everest network driver.
0002  *
0003  * Copyright (c) 2007-2013 Broadcom Corporation
0004  * Copyright (c) 2014 QLogic Corporation
0005  * All rights reserved
0006  *
0007  * This program is free software; you can redistribute it and/or modify
0008  * it under the terms of the GNU General Public License as published by
0009  * the Free Software Foundation.
0010  *
0011  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
0012  * Written by: Eliezer Tamir
0013  * Based on code from Michael Chan's bnx2 driver
0014  */
0015 
0016 #ifndef BNX2X_H
0017 #define BNX2X_H
0018 
0019 #include <linux/pci.h>
0020 #include <linux/netdevice.h>
0021 #include <linux/dma-mapping.h>
0022 #include <linux/types.h>
0023 #include <linux/pci_regs.h>
0024 
0025 #include <linux/ptp_clock_kernel.h>
0026 #include <linux/net_tstamp.h>
0027 #include <linux/timecounter.h>
0028 
0029 /* compilation time flags */
0030 
0031 /* define this to make the driver freeze on error to allow getting debug info
0032  * (you will need to reboot afterwards) */
0033 /* #define BNX2X_STOP_ON_ERROR */
0034 
0035 /* FIXME: Delete the DRV_MODULE_VERSION below, but please be warned
0036  * that it is not an easy task because such change has all chances
0037  * to break this driver due to amount of abuse of in-kernel interfaces
0038  * between modules and FW.
0039  *
0040  * DO NOT UPDATE DRV_MODULE_VERSION below.
0041  */
0042 #define DRV_MODULE_VERSION      "1.713.36-0"
0043 #define BNX2X_BC_VER            0x040200
0044 
0045 #if defined(CONFIG_DCB)
0046 #define BCM_DCBNL
0047 #endif
0048 
0049 #include "bnx2x_hsi.h"
0050 
0051 #include "../cnic_if.h"
0052 
0053 #define BNX2X_MIN_MSIX_VEC_CNT(bp)      ((bp)->min_msix_vec_cnt)
0054 
0055 #include <linux/mdio.h>
0056 
0057 #include "bnx2x_reg.h"
0058 #include "bnx2x_fw_defs.h"
0059 #include "bnx2x_mfw_req.h"
0060 #include "bnx2x_link.h"
0061 #include "bnx2x_sp.h"
0062 #include "bnx2x_dcb.h"
0063 #include "bnx2x_stats.h"
0064 #include "bnx2x_vfpf.h"
0065 
0066 enum bnx2x_int_mode {
0067     BNX2X_INT_MODE_MSIX,
0068     BNX2X_INT_MODE_INTX,
0069     BNX2X_INT_MODE_MSI
0070 };
0071 
0072 /* error/debug prints */
0073 
0074 #define DRV_MODULE_NAME     "bnx2x"
0075 
0076 /* for messages that are currently off */
0077 #define BNX2X_MSG_OFF           0x0
0078 #define BNX2X_MSG_MCP           0x0010000 /* was: NETIF_MSG_HW */
0079 #define BNX2X_MSG_STATS         0x0020000 /* was: NETIF_MSG_TIMER */
0080 #define BNX2X_MSG_NVM           0x0040000 /* was: NETIF_MSG_HW */
0081 #define BNX2X_MSG_DMAE          0x0080000 /* was: NETIF_MSG_HW */
0082 #define BNX2X_MSG_SP            0x0100000 /* was: NETIF_MSG_INTR */
0083 #define BNX2X_MSG_FP            0x0200000 /* was: NETIF_MSG_INTR */
0084 #define BNX2X_MSG_IOV           0x0800000
0085 #define BNX2X_MSG_PTP           0x1000000
0086 #define BNX2X_MSG_IDLE          0x2000000 /* used for idle check*/
0087 #define BNX2X_MSG_ETHTOOL       0x4000000
0088 #define BNX2X_MSG_DCB           0x8000000
0089 
0090 /* regular debug print */
0091 #define DP_INNER(fmt, ...)                  \
0092     pr_notice("[%s:%d(%s)]" fmt,                \
0093           __func__, __LINE__,               \
0094           bp->dev ? (bp->dev->name) : "?",      \
0095           ##__VA_ARGS__);
0096 
0097 #define DP(__mask, fmt, ...)                    \
0098 do {                                \
0099     if (unlikely(bp->msg_enable & (__mask)))        \
0100         DP_INNER(fmt, ##__VA_ARGS__);           \
0101 } while (0)
0102 
0103 #define DP_AND(__mask, fmt, ...)                \
0104 do {                                \
0105     if (unlikely((bp->msg_enable & (__mask)) == __mask))    \
0106         DP_INNER(fmt, ##__VA_ARGS__);           \
0107 } while (0)
0108 
0109 #define DP_CONT(__mask, fmt, ...)               \
0110 do {                                \
0111     if (unlikely(bp->msg_enable & (__mask)))        \
0112         pr_cont(fmt, ##__VA_ARGS__);            \
0113 } while (0)
0114 
0115 /* errors debug print */
0116 #define BNX2X_DBG_ERR(fmt, ...)                 \
0117 do {                                \
0118     if (unlikely(netif_msg_probe(bp)))          \
0119         pr_err("[%s:%d(%s)]" fmt,           \
0120                __func__, __LINE__,          \
0121                bp->dev ? (bp->dev->name) : "?",     \
0122                ##__VA_ARGS__);              \
0123 } while (0)
0124 
0125 /* for errors (never masked) */
0126 #define BNX2X_ERR(fmt, ...)                 \
0127 do {                                \
0128     pr_err("[%s:%d(%s)]" fmt,               \
0129            __func__, __LINE__,              \
0130            bp->dev ? (bp->dev->name) : "?",         \
0131            ##__VA_ARGS__);                  \
0132 } while (0)
0133 
0134 #define BNX2X_ERROR(fmt, ...)                   \
0135     pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
0136 
0137 /* before we have a dev->name use dev_info() */
0138 #define BNX2X_DEV_INFO(fmt, ...)                 \
0139 do {                                 \
0140     if (unlikely(netif_msg_probe(bp)))           \
0141         dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__);    \
0142 } while (0)
0143 
0144 /* Error handling */
0145 void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int);
0146 #ifdef BNX2X_STOP_ON_ERROR
0147 #define bnx2x_panic()               \
0148 do {                        \
0149     bp->panic = 1;              \
0150     BNX2X_ERR("driver assert\n");       \
0151     bnx2x_panic_dump(bp, true);     \
0152 } while (0)
0153 #else
0154 #define bnx2x_panic()               \
0155 do {                        \
0156     bp->panic = 1;              \
0157     BNX2X_ERR("driver assert\n");       \
0158     bnx2x_panic_dump(bp, false);        \
0159 } while (0)
0160 #endif
0161 
0162 #define bnx2x_mc_addr(ha)      ((ha)->addr)
0163 #define bnx2x_uc_addr(ha)      ((ha)->addr)
0164 
0165 #define U64_LO(x)           ((u32)(((u64)(x)) & 0xffffffff))
0166 #define U64_HI(x)           ((u32)(((u64)(x)) >> 32))
0167 #define HILO_U64(hi, lo)        ((((u64)(hi)) << 32) + (lo))
0168 
0169 #define REG_ADDR(bp, offset)        ((bp->regview) + (offset))
0170 
0171 #define REG_RD(bp, offset)      readl(REG_ADDR(bp, offset))
0172 #define REG_RD8(bp, offset)     readb(REG_ADDR(bp, offset))
0173 #define REG_RD16(bp, offset)        readw(REG_ADDR(bp, offset))
0174 
0175 #define REG_WR_RELAXED(bp, offset, val) \
0176     writel_relaxed((u32)val, REG_ADDR(bp, offset))
0177 
0178 #define REG_WR16_RELAXED(bp, offset, val) \
0179     writew_relaxed((u16)val, REG_ADDR(bp, offset))
0180 
0181 #define REG_WR(bp, offset, val)     writel((u32)val, REG_ADDR(bp, offset))
0182 #define REG_WR8(bp, offset, val)    writeb((u8)val, REG_ADDR(bp, offset))
0183 #define REG_WR16(bp, offset, val)   writew((u16)val, REG_ADDR(bp, offset))
0184 
0185 #define REG_RD_IND(bp, offset)      bnx2x_reg_rd_ind(bp, offset)
0186 #define REG_WR_IND(bp, offset, val) bnx2x_reg_wr_ind(bp, offset, val)
0187 
0188 #define REG_RD_DMAE(bp, offset, valp, len32) \
0189     do { \
0190         bnx2x_read_dmae(bp, offset, len32);\
0191         memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
0192     } while (0)
0193 
0194 #define REG_WR_DMAE(bp, offset, valp, len32) \
0195     do { \
0196         memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
0197         bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
0198                  offset, len32); \
0199     } while (0)
0200 
0201 #define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
0202     REG_WR_DMAE(bp, offset, valp, len32)
0203 
0204 #define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
0205     do { \
0206         memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
0207         bnx2x_write_big_buf_wb(bp, addr, len32); \
0208     } while (0)
0209 
0210 #define SHMEM_ADDR(bp, field)       (bp->common.shmem_base + \
0211                      offsetof(struct shmem_region, field))
0212 #define SHMEM_RD(bp, field)     REG_RD(bp, SHMEM_ADDR(bp, field))
0213 #define SHMEM_WR(bp, field, val)    REG_WR(bp, SHMEM_ADDR(bp, field), val)
0214 
0215 #define SHMEM2_ADDR(bp, field)      (bp->common.shmem2_base + \
0216                      offsetof(struct shmem2_region, field))
0217 #define SHMEM2_RD(bp, field)        REG_RD(bp, SHMEM2_ADDR(bp, field))
0218 #define SHMEM2_WR(bp, field, val)   REG_WR(bp, SHMEM2_ADDR(bp, field), val)
0219 #define MF_CFG_ADDR(bp, field)      (bp->common.mf_cfg_base + \
0220                      offsetof(struct mf_cfg, field))
0221 #define MF2_CFG_ADDR(bp, field)     (bp->common.mf2_cfg_base + \
0222                      offsetof(struct mf2_cfg, field))
0223 
0224 #define MF_CFG_RD(bp, field)        REG_RD(bp, MF_CFG_ADDR(bp, field))
0225 #define MF_CFG_WR(bp, field, val)   REG_WR(bp,\
0226                            MF_CFG_ADDR(bp, field), (val))
0227 #define MF2_CFG_RD(bp, field)       REG_RD(bp, MF2_CFG_ADDR(bp, field))
0228 
0229 #define SHMEM2_HAS(bp, field)       ((bp)->common.shmem2_base &&    \
0230                      (SHMEM2_RD((bp), size) >   \
0231                      offsetof(struct shmem2_region, field)))
0232 
0233 #define EMAC_RD(bp, reg)        REG_RD(bp, emac_base + reg)
0234 #define EMAC_WR(bp, reg, val)       REG_WR(bp, emac_base + reg, val)
0235 
0236 /* SP SB indices */
0237 
0238 /* General SP events - stats query, cfc delete, etc  */
0239 #define HC_SP_INDEX_ETH_DEF_CONS        3
0240 
0241 /* EQ completions */
0242 #define HC_SP_INDEX_EQ_CONS         7
0243 
0244 /* FCoE L2 connection completions */
0245 #define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS     6
0246 #define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS     4
0247 /* iSCSI L2 */
0248 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS       5
0249 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS    1
0250 
0251 /* Special clients parameters */
0252 
0253 /* SB indices */
0254 /* FCoE L2 */
0255 #define BNX2X_FCOE_L2_RX_INDEX \
0256     (&bp->def_status_blk->sp_sb.\
0257     index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
0258 
0259 #define BNX2X_FCOE_L2_TX_INDEX \
0260     (&bp->def_status_blk->sp_sb.\
0261     index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
0262 
0263 /**
0264  *  CIDs and CLIDs:
0265  *  CLIDs below is a CLID for func 0, then the CLID for other
0266  *  functions will be calculated by the formula:
0267  *
0268  *  FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
0269  *
0270  */
0271 enum {
0272     BNX2X_ISCSI_ETH_CL_ID_IDX,
0273     BNX2X_FCOE_ETH_CL_ID_IDX,
0274     BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
0275 };
0276 
0277 /* use a value high enough to be above all the PFs, which has least significant
0278  * nibble as 8, so when cnic needs to come up with a CID for UIO to use to
0279  * calculate doorbell address according to old doorbell configuration scheme
0280  * (db_msg_sz 1 << 7 * cid + 0x40 DPM offset) it can come up with a valid number
0281  * We must avoid coming up with cid 8 for iscsi since according to this method
0282  * the designated UIO cid will come out 0 and it has a special handling for that
0283  * case which doesn't suit us. Therefore will will cieling to closes cid which
0284  * has least signigifcant nibble 8 and if it is 8 we will move forward to 0x18.
0285  */
0286 
0287 #define BNX2X_1st_NON_L2_ETH_CID(bp)    (BNX2X_NUM_NON_CNIC_QUEUES(bp) * \
0288                      (bp)->max_cos)
0289 /* amount of cids traversed by UIO's DPM addition to doorbell */
0290 #define UIO_DPM             8
0291 /* roundup to DPM offset */
0292 #define UIO_ROUNDUP(bp)         (roundup(BNX2X_1st_NON_L2_ETH_CID(bp), \
0293                      UIO_DPM))
0294 /* offset to nearest value which has lsb nibble matching DPM */
0295 #define UIO_CID_OFFSET(bp)      ((UIO_ROUNDUP(bp) + UIO_DPM) % \
0296                      (UIO_DPM * 2))
0297 /* add offset to rounded-up cid to get a value which could be used with UIO */
0298 #define UIO_DPM_ALIGN(bp)       (UIO_ROUNDUP(bp) + UIO_CID_OFFSET(bp))
0299 /* but wait - avoid UIO special case for cid 0 */
0300 #define UIO_DPM_CID0_OFFSET(bp)     ((UIO_DPM * 2) * \
0301                      (UIO_DPM_ALIGN(bp) == UIO_DPM))
0302 /* Properly DPM aligned CID dajusted to cid 0 secal case */
0303 #define BNX2X_CNIC_START_ETH_CID(bp)    (UIO_DPM_ALIGN(bp) + \
0304                      (UIO_DPM_CID0_OFFSET(bp)))
0305 /* how many cids were wasted  - need this value for cid allocation */
0306 #define UIO_CID_PAD(bp)         (BNX2X_CNIC_START_ETH_CID(bp) - \
0307                      BNX2X_1st_NON_L2_ETH_CID(bp))
0308     /* iSCSI L2 */
0309 #define BNX2X_ISCSI_ETH_CID(bp)     (BNX2X_CNIC_START_ETH_CID(bp))
0310     /* FCoE L2 */
0311 #define BNX2X_FCOE_ETH_CID(bp)      (BNX2X_CNIC_START_ETH_CID(bp) + 1)
0312 
0313 #define CNIC_SUPPORT(bp)        ((bp)->cnic_support)
0314 #define CNIC_ENABLED(bp)        ((bp)->cnic_enabled)
0315 #define CNIC_LOADED(bp)         ((bp)->cnic_loaded)
0316 #define FCOE_INIT(bp)           ((bp)->fcoe_init)
0317 
0318 #define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
0319     AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
0320 
0321 #define SM_RX_ID            0
0322 #define SM_TX_ID            1
0323 
0324 /* defines for multiple tx priority indices */
0325 #define FIRST_TX_ONLY_COS_INDEX     1
0326 #define FIRST_TX_COS_INDEX      0
0327 
0328 /* rules for calculating the cids of tx-only connections */
0329 #define CID_TO_FP(cid, bp)      ((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
0330 #define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
0331                 (cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
0332 
0333 /* fp index inside class of service range */
0334 #define FP_COS_TO_TXQ(fp, cos, bp) \
0335             ((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
0336 
0337 /* Indexes for transmission queues array:
0338  * txdata for RSS i CoS j is at location i + (j * num of RSS)
0339  * txdata for FCoE (if exist) is at location max cos * num of RSS
0340  * txdata for FWD (if exist) is one location after FCoE
0341  * txdata for OOO (if exist) is one location after FWD
0342  */
0343 enum {
0344     FCOE_TXQ_IDX_OFFSET,
0345     FWD_TXQ_IDX_OFFSET,
0346     OOO_TXQ_IDX_OFFSET,
0347 };
0348 #define MAX_ETH_TXQ_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
0349 #define FCOE_TXQ_IDX(bp)    (MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
0350 
0351 /* fast path */
0352 /*
0353  * This driver uses new build_skb() API :
0354  * RX ring buffer contains pointer to kmalloc() data only,
0355  * skb are built only after Hardware filled the frame.
0356  */
0357 struct sw_rx_bd {
0358     u8      *data;
0359     DEFINE_DMA_UNMAP_ADDR(mapping);
0360 };
0361 
0362 struct sw_tx_bd {
0363     struct sk_buff  *skb;
0364     u16     first_bd;
0365     u8      flags;
0366 /* Set on the first BD descriptor when there is a split BD */
0367 #define BNX2X_TSO_SPLIT_BD      (1<<0)
0368 #define BNX2X_HAS_SECOND_PBD        (1<<1)
0369 };
0370 
0371 struct sw_rx_page {
0372     struct page *page;
0373     DEFINE_DMA_UNMAP_ADDR(mapping);
0374     unsigned int    offset;
0375 };
0376 
0377 union db_prod {
0378     struct doorbell_set_prod data;
0379     u32     raw;
0380 };
0381 
0382 /* dropless fc FW/HW related params */
0383 #define BRB_SIZE(bp)        (CHIP_IS_E3(bp) ? 1024 : 512)
0384 #define MAX_AGG_QS(bp)      (CHIP_IS_E1(bp) ? \
0385                     ETH_MAX_AGGREGATION_QUEUES_E1 :\
0386                     ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
0387 #define FW_DROP_LEVEL(bp)   (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
0388 #define FW_PREFETCH_CNT     16
0389 #define DROPLESS_FC_HEADROOM    100
0390 
0391 /* MC hsi */
0392 #define BCM_PAGE_SHIFT      12
0393 #define BCM_PAGE_SIZE       (1 << BCM_PAGE_SHIFT)
0394 #define BCM_PAGE_MASK       (~(BCM_PAGE_SIZE - 1))
0395 #define BCM_PAGE_ALIGN(addr)    (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
0396 
0397 #define PAGES_PER_SGE_SHIFT 0
0398 #define PAGES_PER_SGE       (1 << PAGES_PER_SGE_SHIFT)
0399 #define SGE_PAGE_SHIFT      12
0400 #define SGE_PAGE_SIZE       (1 << SGE_PAGE_SHIFT)
0401 #define SGE_PAGE_MASK       (~(SGE_PAGE_SIZE - 1))
0402 #define SGE_PAGE_ALIGN(addr)    (((addr) + SGE_PAGE_SIZE - 1) & SGE_PAGE_MASK)
0403 #define SGE_PAGES       (SGE_PAGE_SIZE * PAGES_PER_SGE)
0404 #define TPA_AGG_SIZE        min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
0405                         SGE_PAGES), 0xffff)
0406 
0407 /* SGE ring related macros */
0408 #define NUM_RX_SGE_PAGES    2
0409 #define RX_SGE_CNT      (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
0410 #define NEXT_PAGE_SGE_DESC_CNT  2
0411 #define MAX_RX_SGE_CNT      (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
0412 /* RX_SGE_CNT is promised to be a power of 2 */
0413 #define RX_SGE_MASK     (RX_SGE_CNT - 1)
0414 #define NUM_RX_SGE      (RX_SGE_CNT * NUM_RX_SGE_PAGES)
0415 #define MAX_RX_SGE      (NUM_RX_SGE - 1)
0416 #define NEXT_SGE_IDX(x)     ((((x) & RX_SGE_MASK) == \
0417                   (MAX_RX_SGE_CNT - 1)) ? \
0418                     (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
0419                     (x) + 1)
0420 #define RX_SGE(x)       ((x) & MAX_RX_SGE)
0421 
0422 /*
0423  * Number of required  SGEs is the sum of two:
0424  * 1. Number of possible opened aggregations (next packet for
0425  *    these aggregations will probably consume SGE immediately)
0426  * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
0427  *    after placement on BD for new TPA aggregation)
0428  *
0429  * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
0430  */
0431 #define NUM_SGE_REQ     (MAX_AGG_QS(bp) + \
0432                     (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
0433 #define NUM_SGE_PG_REQ      ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
0434                         MAX_RX_SGE_CNT)
0435 #define SGE_TH_LO(bp)       (NUM_SGE_REQ + \
0436                  NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
0437 #define SGE_TH_HI(bp)       (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
0438 
0439 /* Manipulate a bit vector defined as an array of u64 */
0440 
0441 /* Number of bits in one sge_mask array element */
0442 #define BIT_VEC64_ELEM_SZ       64
0443 #define BIT_VEC64_ELEM_SHIFT        6
0444 #define BIT_VEC64_ELEM_MASK     ((u64)BIT_VEC64_ELEM_SZ - 1)
0445 
0446 #define __BIT_VEC64_SET_BIT(el, bit) \
0447     do { \
0448         el = ((el) | ((u64)0x1 << (bit))); \
0449     } while (0)
0450 
0451 #define __BIT_VEC64_CLEAR_BIT(el, bit) \
0452     do { \
0453         el = ((el) & (~((u64)0x1 << (bit)))); \
0454     } while (0)
0455 
0456 #define BIT_VEC64_SET_BIT(vec64, idx) \
0457     __BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
0458                (idx) & BIT_VEC64_ELEM_MASK)
0459 
0460 #define BIT_VEC64_CLEAR_BIT(vec64, idx) \
0461     __BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
0462                  (idx) & BIT_VEC64_ELEM_MASK)
0463 
0464 #define BIT_VEC64_TEST_BIT(vec64, idx) \
0465     (((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
0466     ((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
0467 
0468 /* Creates a bitmask of all ones in less significant bits.
0469    idx - index of the most significant bit in the created mask */
0470 #define BIT_VEC64_ONES_MASK(idx) \
0471         (((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
0472 #define BIT_VEC64_ELEM_ONE_MASK ((u64)(~0))
0473 
0474 /*******************************************************/
0475 
0476 /* Number of u64 elements in SGE mask array */
0477 #define RX_SGE_MASK_LEN         (NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
0478 #define RX_SGE_MASK_LEN_MASK        (RX_SGE_MASK_LEN - 1)
0479 #define NEXT_SGE_MASK_ELEM(el)      (((el) + 1) & RX_SGE_MASK_LEN_MASK)
0480 
0481 union host_hc_status_block {
0482     /* pointer to fp status block e1x */
0483     struct host_hc_status_block_e1x *e1x_sb;
0484     /* pointer to fp status block e2 */
0485     struct host_hc_status_block_e2  *e2_sb;
0486 };
0487 
0488 struct bnx2x_agg_info {
0489     /*
0490      * First aggregation buffer is a data buffer, the following - are pages.
0491      * We will preallocate the data buffer for each aggregation when
0492      * we open the interface and will replace the BD at the consumer
0493      * with this one when we receive the TPA_START CQE in order to
0494      * keep the Rx BD ring consistent.
0495      */
0496     struct sw_rx_bd     first_buf;
0497     u8          tpa_state;
0498 #define BNX2X_TPA_START         1
0499 #define BNX2X_TPA_STOP          2
0500 #define BNX2X_TPA_ERROR         3
0501     u8          placement_offset;
0502     u16         parsing_flags;
0503     u16         vlan_tag;
0504     u16         len_on_bd;
0505     u32         rxhash;
0506     enum pkt_hash_types rxhash_type;
0507     u16         gro_size;
0508     u16         full_page;
0509 };
0510 
0511 #define Q_STATS_OFFSET32(stat_name) \
0512             (offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
0513 
0514 struct bnx2x_fp_txdata {
0515 
0516     struct sw_tx_bd     *tx_buf_ring;
0517 
0518     union eth_tx_bd_types   *tx_desc_ring;
0519     dma_addr_t      tx_desc_mapping;
0520 
0521     u32         cid;
0522 
0523     union db_prod       tx_db;
0524 
0525     u16         tx_pkt_prod;
0526     u16         tx_pkt_cons;
0527     u16         tx_bd_prod;
0528     u16         tx_bd_cons;
0529 
0530     unsigned long       tx_pkt;
0531 
0532     __le16          *tx_cons_sb;
0533 
0534     int         txq_index;
0535     struct bnx2x_fastpath   *parent_fp;
0536     int         tx_ring_size;
0537 };
0538 
0539 enum bnx2x_tpa_mode_t {
0540     TPA_MODE_DISABLED,
0541     TPA_MODE_LRO,
0542     TPA_MODE_GRO
0543 };
0544 
0545 struct bnx2x_alloc_pool {
0546     struct page *page;
0547     unsigned int    offset;
0548 };
0549 
0550 struct bnx2x_fastpath {
0551     struct bnx2x        *bp; /* parent */
0552 
0553     struct napi_struct  napi;
0554 
0555     union host_hc_status_block  status_blk;
0556     /* chip independent shortcuts into sb structure */
0557     __le16          *sb_index_values;
0558     __le16          *sb_running_index;
0559     /* chip independent shortcut into rx_prods_offset memory */
0560     u32         ustorm_rx_prods_offset;
0561 
0562     u32         rx_buf_size;
0563     u32         rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
0564     dma_addr_t      status_blk_mapping;
0565 
0566     enum bnx2x_tpa_mode_t   mode;
0567 
0568     u8          max_cos; /* actual number of active tx coses */
0569     struct bnx2x_fp_txdata  *txdata_ptr[BNX2X_MULTI_TX_COS];
0570 
0571     struct sw_rx_bd     *rx_buf_ring;   /* BDs mappings ring */
0572     struct sw_rx_page   *rx_page_ring;  /* SGE pages mappings ring */
0573 
0574     struct eth_rx_bd    *rx_desc_ring;
0575     dma_addr_t      rx_desc_mapping;
0576 
0577     union eth_rx_cqe    *rx_comp_ring;
0578     dma_addr_t      rx_comp_mapping;
0579 
0580     /* SGE ring */
0581     struct eth_rx_sge   *rx_sge_ring;
0582     dma_addr_t      rx_sge_mapping;
0583 
0584     u64         sge_mask[RX_SGE_MASK_LEN];
0585 
0586     u32         cid;
0587 
0588     __le16          fp_hc_idx;
0589 
0590     u8          index;      /* number in fp array */
0591     u8          rx_queue;   /* index for skb_record */
0592     u8          cl_id;      /* eth client id */
0593     u8          cl_qzone_id;
0594     u8          fw_sb_id;   /* status block number in FW */
0595     u8          igu_sb_id;  /* status block number in HW */
0596 
0597     u16         rx_bd_prod;
0598     u16         rx_bd_cons;
0599     u16         rx_comp_prod;
0600     u16         rx_comp_cons;
0601     u16         rx_sge_prod;
0602     /* The last maximal completed SGE */
0603     u16         last_max_sge;
0604     __le16          *rx_cons_sb;
0605 
0606     /* TPA related */
0607     struct bnx2x_agg_info   *tpa_info;
0608 #ifdef BNX2X_STOP_ON_ERROR
0609     u64         tpa_queue_used;
0610 #endif
0611     /* The size is calculated using the following:
0612          sizeof name field from netdev structure +
0613          4 ('-Xx-' string) +
0614          4 (for the digits and to make it DWORD aligned) */
0615 #define FP_NAME_SIZE        (sizeof(((struct net_device *)0)->name) + 8)
0616     char            name[FP_NAME_SIZE];
0617 
0618     struct bnx2x_alloc_pool page_pool;
0619 };
0620 
0621 #define bnx2x_fp(bp, nr, var)   ((bp)->fp[(nr)].var)
0622 #define bnx2x_sp_obj(bp, fp)    ((bp)->sp_objs[(fp)->index])
0623 #define bnx2x_fp_stats(bp, fp)  (&((bp)->fp_stats[(fp)->index]))
0624 #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
0625 
0626 /* Use 2500 as a mini-jumbo MTU for FCoE */
0627 #define BNX2X_FCOE_MINI_JUMBO_MTU   2500
0628 
0629 #define FCOE_IDX_OFFSET     0
0630 
0631 #define FCOE_IDX(bp)        (BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
0632                  FCOE_IDX_OFFSET)
0633 #define bnx2x_fcoe_fp(bp)   (&bp->fp[FCOE_IDX(bp)])
0634 #define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
0635 #define bnx2x_fcoe_inner_sp_obj(bp) (&bp->sp_objs[FCOE_IDX(bp)])
0636 #define bnx2x_fcoe_sp_obj(bp, var)  (bnx2x_fcoe_inner_sp_obj(bp)->var)
0637 #define bnx2x_fcoe_tx(bp, var)  (bnx2x_fcoe_fp(bp)-> \
0638                         txdata_ptr[FIRST_TX_COS_INDEX] \
0639                         ->var)
0640 
0641 #define IS_ETH_FP(fp)       ((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
0642 #define IS_FCOE_FP(fp)      ((fp)->index == FCOE_IDX((fp)->bp))
0643 #define IS_FCOE_IDX(idx)    ((idx) == FCOE_IDX(bp))
0644 
0645 /* MC hsi */
0646 #define MAX_FETCH_BD        13  /* HW max BDs per packet */
0647 #define RX_COPY_THRESH      92
0648 
0649 #define NUM_TX_RINGS        16
0650 #define TX_DESC_CNT     (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
0651 #define NEXT_PAGE_TX_DESC_CNT   1
0652 #define MAX_TX_DESC_CNT     (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
0653 #define NUM_TX_BD       (TX_DESC_CNT * NUM_TX_RINGS)
0654 #define MAX_TX_BD       (NUM_TX_BD - 1)
0655 #define MAX_TX_AVAIL        (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
0656 #define NEXT_TX_IDX(x)      ((((x) & MAX_TX_DESC_CNT) == \
0657                   (MAX_TX_DESC_CNT - 1)) ? \
0658                     (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
0659                     (x) + 1)
0660 #define TX_BD(x)        ((x) & MAX_TX_BD)
0661 #define TX_BD_POFF(x)       ((x) & MAX_TX_DESC_CNT)
0662 
0663 /* number of NEXT_PAGE descriptors may be required during placement */
0664 #define NEXT_CNT_PER_TX_PKT(bds)    \
0665                 (((bds) + MAX_TX_DESC_CNT - 1) / \
0666                  MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
0667 /* max BDs per tx packet w/o next_pages:
0668  * START_BD     - describes packed
0669  * START_BD(splitted)   - includes unpaged data segment for GSO
0670  * PARSING_BD       - for TSO and CSUM data
0671  * PARSING_BD2      - for encapsulation data
0672  * Frag BDs     - describes pages for frags
0673  */
0674 #define BDS_PER_TX_PKT      4
0675 #define MAX_BDS_PER_TX_PKT  (MAX_SKB_FRAGS + BDS_PER_TX_PKT)
0676 /* max BDs per tx packet including next pages */
0677 #define MAX_DESC_PER_TX_PKT (MAX_BDS_PER_TX_PKT + \
0678                  NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
0679 
0680 /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
0681 #define NUM_RX_RINGS        8
0682 #define RX_DESC_CNT     (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
0683 #define NEXT_PAGE_RX_DESC_CNT   2
0684 #define MAX_RX_DESC_CNT     (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
0685 #define RX_DESC_MASK        (RX_DESC_CNT - 1)
0686 #define NUM_RX_BD       (RX_DESC_CNT * NUM_RX_RINGS)
0687 #define MAX_RX_BD       (NUM_RX_BD - 1)
0688 #define MAX_RX_AVAIL        (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
0689 
0690 /* dropless fc calculations for BDs
0691  *
0692  * Number of BDs should as number of buffers in BRB:
0693  * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
0694  * "next" elements on each page
0695  */
0696 #define NUM_BD_REQ      BRB_SIZE(bp)
0697 #define NUM_BD_PG_REQ       ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
0698                           MAX_RX_DESC_CNT)
0699 #define BD_TH_LO(bp)        (NUM_BD_REQ + \
0700                  NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
0701                  FW_DROP_LEVEL(bp))
0702 #define BD_TH_HI(bp)        (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
0703 
0704 #define MIN_RX_AVAIL        ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
0705 
0706 #define MIN_RX_SIZE_TPA_HW  (CHIP_IS_E1(bp) ? \
0707                     ETH_MIN_RX_CQES_WITH_TPA_E1 : \
0708                     ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
0709 #define MIN_RX_SIZE_NONTPA_HW   ETH_MIN_RX_CQES_WITHOUT_TPA
0710 #define MIN_RX_SIZE_TPA     (max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
0711 #define MIN_RX_SIZE_NONTPA  (max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
0712                                 MIN_RX_AVAIL))
0713 
0714 #define NEXT_RX_IDX(x)      ((((x) & RX_DESC_MASK) == \
0715                   (MAX_RX_DESC_CNT - 1)) ? \
0716                     (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
0717                     (x) + 1)
0718 #define RX_BD(x)        ((x) & MAX_RX_BD)
0719 
0720 /*
0721  * As long as CQE is X times bigger than BD entry we have to allocate X times
0722  * more pages for CQ ring in order to keep it balanced with BD ring
0723  */
0724 #define CQE_BD_REL  (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
0725 #define NUM_RCQ_RINGS       (NUM_RX_RINGS * CQE_BD_REL)
0726 #define RCQ_DESC_CNT        (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
0727 #define NEXT_PAGE_RCQ_DESC_CNT  1
0728 #define MAX_RCQ_DESC_CNT    (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
0729 #define NUM_RCQ_BD      (RCQ_DESC_CNT * NUM_RCQ_RINGS)
0730 #define MAX_RCQ_BD      (NUM_RCQ_BD - 1)
0731 #define MAX_RCQ_AVAIL       (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
0732 #define NEXT_RCQ_IDX(x)     ((((x) & MAX_RCQ_DESC_CNT) == \
0733                   (MAX_RCQ_DESC_CNT - 1)) ? \
0734                     (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
0735                     (x) + 1)
0736 #define RCQ_BD(x)       ((x) & MAX_RCQ_BD)
0737 
0738 /* dropless fc calculations for RCQs
0739  *
0740  * Number of RCQs should be as number of buffers in BRB:
0741  * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
0742  * "next" elements on each page
0743  */
0744 #define NUM_RCQ_REQ     BRB_SIZE(bp)
0745 #define NUM_RCQ_PG_REQ      ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
0746                           MAX_RCQ_DESC_CNT)
0747 #define RCQ_TH_LO(bp)       (NUM_RCQ_REQ + \
0748                  NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
0749                  FW_DROP_LEVEL(bp))
0750 #define RCQ_TH_HI(bp)       (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
0751 
0752 /* This is needed for determining of last_max */
0753 #define SUB_S16(a, b)       (s16)((s16)(a) - (s16)(b))
0754 #define SUB_S32(a, b)       (s32)((s32)(a) - (s32)(b))
0755 
0756 #define BNX2X_SWCID_SHIFT   17
0757 #define BNX2X_SWCID_MASK    ((0x1 << BNX2X_SWCID_SHIFT) - 1)
0758 
0759 /* used on a CID received from the HW */
0760 #define SW_CID(x)           (le32_to_cpu(x) & BNX2X_SWCID_MASK)
0761 #define CQE_CMD(x)          (le32_to_cpu(x) >> \
0762                     COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
0763 
0764 #define BD_UNMAP_ADDR(bd)       HILO_U64(le32_to_cpu((bd)->addr_hi), \
0765                          le32_to_cpu((bd)->addr_lo))
0766 #define BD_UNMAP_LEN(bd)        (le16_to_cpu((bd)->nbytes))
0767 
0768 #define BNX2X_DB_MIN_SHIFT      3   /* 8 bytes */
0769 #define BNX2X_DB_SHIFT          3   /* 8 bytes*/
0770 #if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
0771 #error "Min DB doorbell stride is 8"
0772 #endif
0773 #define DOORBELL_RELAXED(bp, cid, val) \
0774     writel_relaxed((u32)(val), (bp)->doorbells + ((bp)->db_size * (cid)))
0775 
0776 /* TX CSUM helpers */
0777 #define SKB_CS_OFF(skb)     (offsetof(struct tcphdr, check) - \
0778                  skb->csum_offset)
0779 #define SKB_CS(skb)     (*(u16 *)(skb_transport_header(skb) + \
0780                       skb->csum_offset))
0781 
0782 #define pbd_tcp_flags(tcp_hdr)  (ntohl(tcp_flag_word(tcp_hdr))>>16 & 0xff)
0783 
0784 #define XMIT_PLAIN      0
0785 #define XMIT_CSUM_V4        (1 << 0)
0786 #define XMIT_CSUM_V6        (1 << 1)
0787 #define XMIT_CSUM_TCP       (1 << 2)
0788 #define XMIT_GSO_V4     (1 << 3)
0789 #define XMIT_GSO_V6     (1 << 4)
0790 #define XMIT_CSUM_ENC_V4    (1 << 5)
0791 #define XMIT_CSUM_ENC_V6    (1 << 6)
0792 #define XMIT_GSO_ENC_V4     (1 << 7)
0793 #define XMIT_GSO_ENC_V6     (1 << 8)
0794 
0795 #define XMIT_CSUM_ENC       (XMIT_CSUM_ENC_V4 | XMIT_CSUM_ENC_V6)
0796 #define XMIT_GSO_ENC        (XMIT_GSO_ENC_V4 | XMIT_GSO_ENC_V6)
0797 
0798 #define XMIT_CSUM       (XMIT_CSUM_V4 | XMIT_CSUM_V6 | XMIT_CSUM_ENC)
0799 #define XMIT_GSO        (XMIT_GSO_V4 | XMIT_GSO_V6 | XMIT_GSO_ENC)
0800 
0801 /* stuff added to make the code fit 80Col */
0802 #define CQE_TYPE(cqe_fp_flags)   ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
0803 #define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
0804 #define CQE_TYPE_STOP(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
0805 #define CQE_TYPE_SLOW(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
0806 #define CQE_TYPE_FAST(cqe_type)  ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
0807 
0808 #define ETH_RX_ERROR_FALGS      ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
0809 
0810 #define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
0811                 (((le16_to_cpu(flags) & \
0812                    PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
0813                   PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
0814                  == PRS_FLAG_OVERETH_IPV4)
0815 #define BNX2X_RX_SUM_FIX(cqe) \
0816     BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
0817 
0818 #define FP_USB_FUNC_OFF \
0819             offsetof(struct cstorm_status_block_u, func)
0820 #define FP_CSB_FUNC_OFF \
0821             offsetof(struct cstorm_status_block_c, func)
0822 
0823 #define HC_INDEX_ETH_RX_CQ_CONS     1
0824 
0825 #define HC_INDEX_OOO_TX_CQ_CONS     4
0826 
0827 #define HC_INDEX_ETH_TX_CQ_CONS_COS0    5
0828 
0829 #define HC_INDEX_ETH_TX_CQ_CONS_COS1    6
0830 
0831 #define HC_INDEX_ETH_TX_CQ_CONS_COS2    7
0832 
0833 #define HC_INDEX_ETH_FIRST_TX_CQ_CONS   HC_INDEX_ETH_TX_CQ_CONS_COS0
0834 
0835 #define BNX2X_RX_SB_INDEX \
0836     (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
0837 
0838 #define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
0839 
0840 #define BNX2X_TX_SB_INDEX_COS0 \
0841     (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
0842 
0843 /* end of fast path */
0844 
0845 /* common */
0846 
0847 struct bnx2x_common {
0848 
0849     u32         chip_id;
0850 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
0851 #define CHIP_ID(bp)         (bp->common.chip_id & 0xfffffff0)
0852 
0853 #define CHIP_NUM(bp)            (bp->common.chip_id >> 16)
0854 #define CHIP_NUM_57710          0x164e
0855 #define CHIP_NUM_57711          0x164f
0856 #define CHIP_NUM_57711E         0x1650
0857 #define CHIP_NUM_57712          0x1662
0858 #define CHIP_NUM_57712_MF       0x1663
0859 #define CHIP_NUM_57712_VF       0x166f
0860 #define CHIP_NUM_57713          0x1651
0861 #define CHIP_NUM_57713E         0x1652
0862 #define CHIP_NUM_57800          0x168a
0863 #define CHIP_NUM_57800_MF       0x16a5
0864 #define CHIP_NUM_57800_VF       0x16a9
0865 #define CHIP_NUM_57810          0x168e
0866 #define CHIP_NUM_57810_MF       0x16ae
0867 #define CHIP_NUM_57810_VF       0x16af
0868 #define CHIP_NUM_57811          0x163d
0869 #define CHIP_NUM_57811_MF       0x163e
0870 #define CHIP_NUM_57811_VF       0x163f
0871 #define CHIP_NUM_57840_OBSOLETE     0x168d
0872 #define CHIP_NUM_57840_MF_OBSOLETE  0x16ab
0873 #define CHIP_NUM_57840_4_10     0x16a1
0874 #define CHIP_NUM_57840_2_20     0x16a2
0875 #define CHIP_NUM_57840_MF       0x16a4
0876 #define CHIP_NUM_57840_VF       0x16ad
0877 #define CHIP_IS_E1(bp)          (CHIP_NUM(bp) == CHIP_NUM_57710)
0878 #define CHIP_IS_57711(bp)       (CHIP_NUM(bp) == CHIP_NUM_57711)
0879 #define CHIP_IS_57711E(bp)      (CHIP_NUM(bp) == CHIP_NUM_57711E)
0880 #define CHIP_IS_57712(bp)       (CHIP_NUM(bp) == CHIP_NUM_57712)
0881 #define CHIP_IS_57712_VF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57712_VF)
0882 #define CHIP_IS_57712_MF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57712_MF)
0883 #define CHIP_IS_57800(bp)       (CHIP_NUM(bp) == CHIP_NUM_57800)
0884 #define CHIP_IS_57800_MF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57800_MF)
0885 #define CHIP_IS_57800_VF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57800_VF)
0886 #define CHIP_IS_57810(bp)       (CHIP_NUM(bp) == CHIP_NUM_57810)
0887 #define CHIP_IS_57810_MF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57810_MF)
0888 #define CHIP_IS_57810_VF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57810_VF)
0889 #define CHIP_IS_57811(bp)       (CHIP_NUM(bp) == CHIP_NUM_57811)
0890 #define CHIP_IS_57811_MF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57811_MF)
0891 #define CHIP_IS_57811_VF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57811_VF)
0892 #define CHIP_IS_57840(bp)       \
0893         ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
0894          (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
0895          (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
0896 #define CHIP_IS_57840_MF(bp)    ((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
0897                  (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
0898 #define CHIP_IS_57840_VF(bp)        (CHIP_NUM(bp) == CHIP_NUM_57840_VF)
0899 #define CHIP_IS_E1H(bp)         (CHIP_IS_57711(bp) || \
0900                      CHIP_IS_57711E(bp))
0901 #define CHIP_IS_57811xx(bp)     (CHIP_IS_57811(bp) || \
0902                      CHIP_IS_57811_MF(bp) || \
0903                      CHIP_IS_57811_VF(bp))
0904 #define CHIP_IS_E2(bp)          (CHIP_IS_57712(bp) || \
0905                      CHIP_IS_57712_MF(bp) || \
0906                      CHIP_IS_57712_VF(bp))
0907 #define CHIP_IS_E3(bp)          (CHIP_IS_57800(bp) || \
0908                      CHIP_IS_57800_MF(bp) || \
0909                      CHIP_IS_57800_VF(bp) || \
0910                      CHIP_IS_57810(bp) || \
0911                      CHIP_IS_57810_MF(bp) || \
0912                      CHIP_IS_57810_VF(bp) || \
0913                      CHIP_IS_57811xx(bp) || \
0914                      CHIP_IS_57840(bp) || \
0915                      CHIP_IS_57840_MF(bp) || \
0916                      CHIP_IS_57840_VF(bp))
0917 #define CHIP_IS_E1x(bp)         (CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
0918 #define USES_WARPCORE(bp)       (CHIP_IS_E3(bp))
0919 #define IS_E1H_OFFSET           (!CHIP_IS_E1(bp))
0920 
0921 #define CHIP_REV_SHIFT          12
0922 #define CHIP_REV_MASK           (0xF << CHIP_REV_SHIFT)
0923 #define CHIP_REV_VAL(bp)        (bp->common.chip_id & CHIP_REV_MASK)
0924 #define CHIP_REV_Ax         (0x0 << CHIP_REV_SHIFT)
0925 #define CHIP_REV_Bx         (0x1 << CHIP_REV_SHIFT)
0926 /* assume maximum 5 revisions */
0927 #define CHIP_REV_IS_SLOW(bp)        (CHIP_REV_VAL(bp) > 0x00005000)
0928 /* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
0929 #define CHIP_REV_IS_EMUL(bp)        ((CHIP_REV_IS_SLOW(bp)) && \
0930                      !(CHIP_REV_VAL(bp) & 0x00001000))
0931 /* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
0932 #define CHIP_REV_IS_FPGA(bp)        ((CHIP_REV_IS_SLOW(bp)) && \
0933                      (CHIP_REV_VAL(bp) & 0x00001000))
0934 
0935 #define CHIP_TIME(bp)           ((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
0936                     ((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
0937 
0938 #define CHIP_METAL(bp)          (bp->common.chip_id & 0x00000ff0)
0939 #define CHIP_BOND_ID(bp)        (bp->common.chip_id & 0x0000000f)
0940 #define CHIP_REV_SIM(bp)        (((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
0941                        (CHIP_REV_SHIFT + 1)) \
0942                         << CHIP_REV_SHIFT)
0943 #define CHIP_REV(bp)            (CHIP_REV_IS_SLOW(bp) ? \
0944                         CHIP_REV_SIM(bp) :\
0945                         CHIP_REV_VAL(bp))
0946 #define CHIP_IS_E3B0(bp)        (CHIP_IS_E3(bp) && \
0947                      (CHIP_REV(bp) == CHIP_REV_Bx))
0948 #define CHIP_IS_E3A0(bp)        (CHIP_IS_E3(bp) && \
0949                      (CHIP_REV(bp) == CHIP_REV_Ax))
0950 /* This define is used in two main places:
0951  * 1. In the early stages of nic_load, to know if to configure Parser / Searcher
0952  * to nic-only mode or to offload mode. Offload mode is configured if either the
0953  * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
0954  * registered for this port (which means that the user wants storage services).
0955  * 2. During cnic-related load, to know if offload mode is already configured in
0956  * the HW or needs to be configured.
0957  * Since the transition from nic-mode to offload-mode in HW causes traffic
0958  * corruption, nic-mode is configured only in ports on which storage services
0959  * where never requested.
0960  */
0961 #define CONFIGURE_NIC_MODE(bp)      (!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
0962 
0963     int         flash_size;
0964 #define BNX2X_NVRAM_1MB_SIZE            0x20000 /* 1M bit in bytes */
0965 #define BNX2X_NVRAM_TIMEOUT_COUNT       30000
0966 #define BNX2X_NVRAM_PAGE_SIZE           256
0967 
0968     u32         shmem_base;
0969     u32         shmem2_base;
0970     u32         mf_cfg_base;
0971     u32         mf2_cfg_base;
0972 
0973     u32         hw_config;
0974 
0975     u32         bc_ver;
0976 
0977     u8          int_block;
0978 #define INT_BLOCK_HC            0
0979 #define INT_BLOCK_IGU           1
0980 #define INT_BLOCK_MODE_NORMAL       0
0981 #define INT_BLOCK_MODE_BW_COMP      2
0982 #define CHIP_INT_MODE_IS_NBC(bp)        \
0983             (!CHIP_IS_E1x(bp) &&    \
0984             !((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
0985 #define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
0986 
0987     u8          chip_port_mode;
0988 #define CHIP_4_PORT_MODE            0x0
0989 #define CHIP_2_PORT_MODE            0x1
0990 #define CHIP_PORT_MODE_NONE         0x2
0991 #define CHIP_MODE(bp)           (bp->common.chip_port_mode)
0992 #define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
0993 
0994     u32         boot_mode;
0995 };
0996 
0997 /* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
0998 #define BNX2X_IGU_STAS_MSG_VF_CNT 64
0999 #define BNX2X_IGU_STAS_MSG_PF_CNT 4
1000 
1001 #define MAX_IGU_ATTN_ACK_TO       100
1002 /* end of common */
1003 
1004 /* port */
1005 
1006 struct bnx2x_port {
1007     u32         pmf;
1008 
1009     u32         link_config[LINK_CONFIG_SIZE];
1010 
1011     u32         supported[LINK_CONFIG_SIZE];
1012 
1013     u32         advertising[LINK_CONFIG_SIZE];
1014 
1015     u32         phy_addr;
1016 
1017     /* used to synchronize phy accesses */
1018     struct mutex        phy_mutex;
1019 
1020     u32         port_stx;
1021 
1022     struct nig_stats    old_nig_stats;
1023 };
1024 
1025 /* end of port */
1026 
1027 #define STATS_OFFSET32(stat_name) \
1028             (offsetof(struct bnx2x_eth_stats, stat_name) / 4)
1029 
1030 /* slow path */
1031 #define BNX2X_MAX_NUM_OF_VFS    64
1032 #define BNX2X_VF_CID_WND    4 /* log num of queues per VF. HW config. */
1033 #define BNX2X_CIDS_PER_VF   (1 << BNX2X_VF_CID_WND)
1034 
1035 /* We need to reserve doorbell addresses for all VF and queue combinations */
1036 #define BNX2X_VF_CIDS       (BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
1037 
1038 /* The doorbell is configured to have the same number of CIDs for PFs and for
1039  * VFs. For this reason the PF CID zone is as large as the VF zone.
1040  */
1041 #define BNX2X_FIRST_VF_CID  BNX2X_VF_CIDS
1042 #define BNX2X_MAX_NUM_VF_QUEUES 64
1043 #define BNX2X_VF_ID_INVALID 0xFF
1044 
1045 /* the number of VF CIDS multiplied by the amount of bytes reserved for each
1046  * cid must not exceed the size of the VF doorbell
1047  */
1048 #define BNX2X_VF_BAR_SIZE   512
1049 #if (BNX2X_VF_BAR_SIZE < BNX2X_CIDS_PER_VF * (1 << BNX2X_DB_SHIFT))
1050 #error "VF doorbell bar size is 512"
1051 #endif
1052 
1053 /*
1054  * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
1055  * control by the number of fast-path status blocks supported by the
1056  * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
1057  * status block represents an independent interrupts context that can
1058  * serve a regular L2 networking queue. However special L2 queues such
1059  * as the FCoE queue do not require a FP-SB and other components like
1060  * the CNIC may consume FP-SB reducing the number of possible L2 queues
1061  *
1062  * If the maximum number of FP-SB available is X then:
1063  * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
1064  *    regular L2 queues is Y=X-1
1065  * b. In MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
1066  * c. If the FCoE L2 queue is supported the actual number of L2 queues
1067  *    is Y+1
1068  * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
1069  *    slow-path interrupts) or Y+2 if CNIC is supported (one additional
1070  *    FP interrupt context for the CNIC).
1071  * e. The number of HW context (CID count) is always X or X+1 if FCoE
1072  *    L2 queue is supported. The cid for the FCoE L2 queue is always X.
1073  */
1074 
1075 /* fast-path interrupt contexts E1x */
1076 #define FP_SB_MAX_E1x       16
1077 /* fast-path interrupt contexts E2 */
1078 #define FP_SB_MAX_E2        HC_SB_MAX_SB_E2
1079 
1080 union cdu_context {
1081     struct eth_context eth;
1082     char pad[1024];
1083 };
1084 
1085 /* CDU host DB constants */
1086 #define CDU_ILT_PAGE_SZ_HW  2
1087 #define CDU_ILT_PAGE_SZ     (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
1088 #define ILT_PAGE_CIDS       (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
1089 
1090 #define CNIC_ISCSI_CID_MAX  256
1091 #define CNIC_FCOE_CID_MAX   2048
1092 #define CNIC_CID_MAX        (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
1093 #define CNIC_ILT_LINES      DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
1094 
1095 #define QM_ILT_PAGE_SZ_HW   0
1096 #define QM_ILT_PAGE_SZ      (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
1097 #define QM_CID_ROUND        1024
1098 
1099 /* TM (timers) host DB constants */
1100 #define TM_ILT_PAGE_SZ_HW   0
1101 #define TM_ILT_PAGE_SZ      (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
1102 #define TM_CONN_NUM     (BNX2X_FIRST_VF_CID + \
1103                  BNX2X_VF_CIDS + \
1104                  CNIC_ISCSI_CID_MAX)
1105 #define TM_ILT_SZ       (8 * TM_CONN_NUM)
1106 #define TM_ILT_LINES        DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
1107 
1108 /* SRC (Searcher) host DB constants */
1109 #define SRC_ILT_PAGE_SZ_HW  0
1110 #define SRC_ILT_PAGE_SZ     (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
1111 #define SRC_HASH_BITS       10
1112 #define SRC_CONN_NUM        (1 << SRC_HASH_BITS) /* 1024 */
1113 #define SRC_ILT_SZ      (sizeof(struct src_ent) * SRC_CONN_NUM)
1114 #define SRC_T2_SZ       SRC_ILT_SZ
1115 #define SRC_ILT_LINES       DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
1116 
1117 #define MAX_DMAE_C      8
1118 
1119 /* DMA memory not used in fastpath */
1120 struct bnx2x_slowpath {
1121     union {
1122         struct mac_configuration_cmd        e1x;
1123         struct eth_classify_rules_ramrod_data   e2;
1124     } mac_rdata;
1125 
1126     union {
1127         struct eth_classify_rules_ramrod_data   e2;
1128     } vlan_rdata;
1129 
1130     union {
1131         struct tstorm_eth_mac_filter_config e1x;
1132         struct eth_filter_rules_ramrod_data e2;
1133     } rx_mode_rdata;
1134 
1135     union {
1136         struct mac_configuration_cmd        e1;
1137         struct eth_multicast_rules_ramrod_data  e2;
1138     } mcast_rdata;
1139 
1140     struct eth_rss_update_ramrod_data   rss_rdata;
1141 
1142     /* Queue State related ramrods are always sent under rtnl_lock */
1143     union {
1144         struct client_init_ramrod_data  init_data;
1145         struct client_update_ramrod_data update_data;
1146         struct tpa_update_ramrod_data tpa_data;
1147     } q_rdata;
1148 
1149     union {
1150         struct function_start_data  func_start;
1151         /* pfc configuration for DCBX ramrod */
1152         struct flow_control_configuration pfc_config;
1153     } func_rdata;
1154 
1155     /* afex ramrod can not be a part of func_rdata union because these
1156      * events might arrive in parallel to other events from func_rdata.
1157      * Therefore, if they would have been defined in the same union,
1158      * data can get corrupted.
1159      */
1160     union {
1161         struct afex_vif_list_ramrod_data    viflist_data;
1162         struct function_update_data     func_update;
1163     } func_afex_rdata;
1164 
1165     /* used by dmae command executer */
1166     struct dmae_command     dmae[MAX_DMAE_C];
1167 
1168     u32             stats_comp;
1169     union mac_stats         mac_stats;
1170     struct nig_stats        nig_stats;
1171     struct host_port_stats      port_stats;
1172     struct host_func_stats      func_stats;
1173 
1174     u32             wb_comp;
1175     u32             wb_data[4];
1176 
1177     union drv_info_to_mcp       drv_info_to_mcp;
1178 };
1179 
1180 #define bnx2x_sp(bp, var)       (&bp->slowpath->var)
1181 #define bnx2x_sp_mapping(bp, var) \
1182         (bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
1183 
1184 /* attn group wiring */
1185 #define MAX_DYNAMIC_ATTN_GRPS       8
1186 
1187 struct attn_route {
1188     u32 sig[5];
1189 };
1190 
1191 struct iro {
1192     u32 base;
1193     u16 m1;
1194     u16 m2;
1195     u16 m3;
1196     u16 size;
1197 };
1198 
1199 struct hw_context {
1200     union cdu_context *vcxt;
1201     dma_addr_t cxt_mapping;
1202     size_t size;
1203 };
1204 
1205 /* forward */
1206 struct bnx2x_ilt;
1207 
1208 struct bnx2x_vfdb;
1209 
1210 enum bnx2x_recovery_state {
1211     BNX2X_RECOVERY_DONE,
1212     BNX2X_RECOVERY_INIT,
1213     BNX2X_RECOVERY_WAIT,
1214     BNX2X_RECOVERY_FAILED,
1215     BNX2X_RECOVERY_NIC_LOADING
1216 };
1217 
1218 /*
1219  * Event queue (EQ or event ring) MC hsi
1220  * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
1221  */
1222 #define NUM_EQ_PAGES        1
1223 #define EQ_DESC_CNT_PAGE    (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1224 #define EQ_DESC_MAX_PAGE    (EQ_DESC_CNT_PAGE - 1)
1225 #define NUM_EQ_DESC     (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1226 #define EQ_DESC_MASK        (NUM_EQ_DESC - 1)
1227 #define MAX_EQ_AVAIL        (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1228 
1229 /* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1230 #define NEXT_EQ_IDX(x)      ((((x) & EQ_DESC_MAX_PAGE) == \
1231                   (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
1232 
1233 /* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1234 #define EQ_DESC(x)      ((x) & EQ_DESC_MASK)
1235 
1236 #define BNX2X_EQ_INDEX \
1237     (&bp->def_status_blk->sp_sb.\
1238     index_values[HC_SP_INDEX_EQ_CONS])
1239 
1240 /* This is a data that will be used to create a link report message.
1241  * We will keep the data used for the last link report in order
1242  * to prevent reporting the same link parameters twice.
1243  */
1244 struct bnx2x_link_report_data {
1245     u16 line_speed;         /* Effective line speed */
1246     unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
1247 };
1248 
1249 enum {
1250     BNX2X_LINK_REPORT_FD,       /* Full DUPLEX */
1251     BNX2X_LINK_REPORT_LINK_DOWN,
1252     BNX2X_LINK_REPORT_RX_FC_ON,
1253     BNX2X_LINK_REPORT_TX_FC_ON,
1254 };
1255 
1256 enum {
1257     BNX2X_PORT_QUERY_IDX,
1258     BNX2X_PF_QUERY_IDX,
1259     BNX2X_FCOE_QUERY_IDX,
1260     BNX2X_FIRST_QUEUE_QUERY_IDX,
1261 };
1262 
1263 struct bnx2x_fw_stats_req {
1264     struct stats_query_header hdr;
1265     struct stats_query_entry query[FP_SB_MAX_E1x+
1266         BNX2X_FIRST_QUEUE_QUERY_IDX];
1267 };
1268 
1269 struct bnx2x_fw_stats_data {
1270     struct stats_counter        storm_counters;
1271     struct per_port_stats       port;
1272     struct per_pf_stats     pf;
1273     struct fcoe_statistics_params   fcoe;
1274     struct per_queue_stats      queue_stats[];
1275 };
1276 
1277 /* Public slow path states */
1278 enum sp_rtnl_flag {
1279     BNX2X_SP_RTNL_SETUP_TC,
1280     BNX2X_SP_RTNL_TX_TIMEOUT,
1281     BNX2X_SP_RTNL_FAN_FAILURE,
1282     BNX2X_SP_RTNL_AFEX_F_UPDATE,
1283     BNX2X_SP_RTNL_ENABLE_SRIOV,
1284     BNX2X_SP_RTNL_VFPF_MCAST,
1285     BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
1286     BNX2X_SP_RTNL_RX_MODE,
1287     BNX2X_SP_RTNL_HYPERVISOR_VLAN,
1288     BNX2X_SP_RTNL_TX_STOP,
1289     BNX2X_SP_RTNL_GET_DRV_VERSION,
1290     BNX2X_SP_RTNL_UPDATE_SVID,
1291 };
1292 
1293 enum bnx2x_iov_flag {
1294     BNX2X_IOV_HANDLE_VF_MSG,
1295     BNX2X_IOV_HANDLE_FLR,
1296 };
1297 
1298 struct bnx2x_prev_path_list {
1299     struct list_head list;
1300     u8 bus;
1301     u8 slot;
1302     u8 path;
1303     u8 aer;
1304     u8 undi;
1305 };
1306 
1307 struct bnx2x_sp_objs {
1308     /* MACs object */
1309     struct bnx2x_vlan_mac_obj mac_obj;
1310 
1311     /* Queue State object */
1312     struct bnx2x_queue_sp_obj q_obj;
1313 
1314     /* VLANs object */
1315     struct bnx2x_vlan_mac_obj vlan_obj;
1316 };
1317 
1318 struct bnx2x_fp_stats {
1319     struct tstorm_per_queue_stats old_tclient;
1320     struct ustorm_per_queue_stats old_uclient;
1321     struct xstorm_per_queue_stats old_xclient;
1322     struct bnx2x_eth_q_stats eth_q_stats;
1323     struct bnx2x_eth_q_stats_old eth_q_stats_old;
1324 };
1325 
1326 enum {
1327     SUB_MF_MODE_UNKNOWN = 0,
1328     SUB_MF_MODE_UFP,
1329     SUB_MF_MODE_NPAR1_DOT_5,
1330     SUB_MF_MODE_BD,
1331 };
1332 
1333 struct bnx2x_vlan_entry {
1334     struct list_head link;
1335     u16 vid;
1336     bool hw;
1337 };
1338 
1339 enum bnx2x_udp_port_type {
1340     BNX2X_UDP_PORT_VXLAN,
1341     BNX2X_UDP_PORT_GENEVE,
1342     BNX2X_UDP_PORT_MAX,
1343 };
1344 
1345 struct bnx2x {
1346     /* Fields used in the tx and intr/napi performance paths
1347      * are grouped together in the beginning of the structure
1348      */
1349     struct bnx2x_fastpath   *fp;
1350     struct bnx2x_sp_objs    *sp_objs;
1351     struct bnx2x_fp_stats   *fp_stats;
1352     struct bnx2x_fp_txdata  *bnx2x_txq;
1353     void __iomem        *regview;
1354     void __iomem        *doorbells;
1355     u16         db_size;
1356 
1357     u8          pf_num; /* absolute PF number */
1358     u8          pfid;   /* per-path PF number */
1359     int         base_fw_ndsb; /**/
1360 #define BP_PATH(bp)         (CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
1361 #define BP_PORT(bp)         (bp->pfid & 1)
1362 #define BP_FUNC(bp)         (bp->pfid)
1363 #define BP_ABS_FUNC(bp)         (bp->pf_num)
1364 #define BP_VN(bp)           ((bp)->pfid >> 1)
1365 #define BP_MAX_VN_NUM(bp)       (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
1366 #define BP_L_ID(bp)         (BP_VN(bp) << 2)
1367 #define BP_FW_MB_IDX_VN(bp, vn)     (BP_PORT(bp) +\
1368       (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2  : 1))
1369 #define BP_FW_MB_IDX(bp)        BP_FW_MB_IDX_VN(bp, BP_VN(bp))
1370 
1371 #ifdef CONFIG_BNX2X_SRIOV
1372     /* protects vf2pf mailbox from simultaneous access */
1373     struct mutex        vf2pf_mutex;
1374     /* vf pf channel mailbox contains request and response buffers */
1375     struct bnx2x_vf_mbx_msg *vf2pf_mbox;
1376     dma_addr_t      vf2pf_mbox_mapping;
1377 
1378     /* we set aside a copy of the acquire response */
1379     struct pfvf_acquire_resp_tlv acquire_resp;
1380 
1381     /* bulletin board for messages from pf to vf */
1382     union pf_vf_bulletin   *pf2vf_bulletin;
1383     dma_addr_t      pf2vf_bulletin_mapping;
1384 
1385     union pf_vf_bulletin        shadow_bulletin;
1386     struct pf_vf_bulletin_content   old_bulletin;
1387 
1388     u16 requested_nr_virtfn;
1389 #endif /* CONFIG_BNX2X_SRIOV */
1390 
1391     struct net_device   *dev;
1392     struct pci_dev      *pdev;
1393 
1394     const struct iro    *iro_arr;
1395 #define IRO (bp->iro_arr)
1396 
1397     enum bnx2x_recovery_state recovery_state;
1398     int         is_leader;
1399     struct msix_entry   *msix_table;
1400 
1401     int         tx_ring_size;
1402 
1403 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
1404 #define ETH_OVERHEAD        (ETH_HLEN + 8 + 8)
1405 #define ETH_MIN_PACKET_SIZE     (ETH_ZLEN - ETH_HLEN)
1406 #define ETH_MAX_PACKET_SIZE     ETH_DATA_LEN
1407 #define ETH_MAX_JUMBO_PACKET_SIZE   9600
1408 /* TCP with Timestamp Option (32) + IPv6 (40) */
1409 #define ETH_MAX_TPA_HEADER_SIZE     72
1410 
1411     /* Max supported alignment is 256 (8 shift)
1412      * minimal alignment shift 6 is optimal for 57xxx HW performance
1413      */
1414 #define BNX2X_RX_ALIGN_SHIFT        max(6, min(8, L1_CACHE_SHIFT))
1415 
1416     /* FW uses 2 Cache lines Alignment for start packet and size
1417      *
1418      * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
1419      * at the end of skb->data, to avoid wasting a full cache line.
1420      * This reduces memory use (skb->truesize).
1421      */
1422 #define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT)
1423 
1424 #define BNX2X_FW_RX_ALIGN_END                   \
1425     max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT,         \
1426         SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1427 
1428 #define BNX2X_PXP_DRAM_ALIGN        (BNX2X_RX_ALIGN_SHIFT - 5)
1429 
1430     struct host_sp_status_block *def_status_blk;
1431 #define DEF_SB_IGU_ID           16
1432 #define DEF_SB_ID           HC_SP_SB_ID
1433     __le16          def_idx;
1434     __le16          def_att_idx;
1435     u32         attn_state;
1436     struct attn_route   attn_group[MAX_DYNAMIC_ATTN_GRPS];
1437 
1438     /* slow path ring */
1439     struct eth_spe      *spq;
1440     dma_addr_t      spq_mapping;
1441     u16         spq_prod_idx;
1442     struct eth_spe      *spq_prod_bd;
1443     struct eth_spe      *spq_last_bd;
1444     __le16          *dsb_sp_prod;
1445     atomic_t        cq_spq_left; /* ETH_XXX ramrods credit */
1446     /* used to synchronize spq accesses */
1447     spinlock_t      spq_lock;
1448 
1449     /* event queue */
1450     union event_ring_elem   *eq_ring;
1451     dma_addr_t      eq_mapping;
1452     u16         eq_prod;
1453     u16         eq_cons;
1454     __le16          *eq_cons_sb;
1455     atomic_t        eq_spq_left; /* COMMON_XXX ramrods credit */
1456 
1457     /* Counter for marking that there is a STAT_QUERY ramrod pending */
1458     u16         stats_pending;
1459     /*  Counter for completed statistics ramrods */
1460     u16         stats_comp;
1461 
1462     /* End of fields used in the performance code paths */
1463 
1464     int         panic;
1465     int         msg_enable;
1466 
1467     u32         flags;
1468 #define PCIX_FLAG           (1 << 0)
1469 #define PCI_32BIT_FLAG          (1 << 1)
1470 #define ONE_PORT_FLAG           (1 << 2)
1471 #define NO_WOL_FLAG         (1 << 3)
1472 #define USING_MSIX_FLAG         (1 << 5)
1473 #define USING_MSI_FLAG          (1 << 6)
1474 #define DISABLE_MSI_FLAG        (1 << 7)
1475 #define NO_MCP_FLAG         (1 << 9)
1476 #define MF_FUNC_DIS         (1 << 11)
1477 #define OWN_CNIC_IRQ            (1 << 12)
1478 #define NO_ISCSI_OOO_FLAG       (1 << 13)
1479 #define NO_ISCSI_FLAG           (1 << 14)
1480 #define NO_FCOE_FLAG            (1 << 15)
1481 #define BC_SUPPORTS_PFC_STATS       (1 << 17)
1482 #define TX_SWITCHING            (1 << 18)
1483 #define BC_SUPPORTS_FCOE_FEATURES   (1 << 19)
1484 #define USING_SINGLE_MSIX_FLAG      (1 << 20)
1485 #define BC_SUPPORTS_DCBX_MSG_NON_PMF    (1 << 21)
1486 #define IS_VF_FLAG          (1 << 22)
1487 #define BC_SUPPORTS_RMMOD_CMD       (1 << 23)
1488 #define HAS_PHYS_PORT_ID        (1 << 24)
1489 #define AER_ENABLED         (1 << 25)
1490 #define PTP_SUPPORTED           (1 << 26)
1491 #define TX_TIMESTAMPING_EN      (1 << 27)
1492 
1493 #define BP_NOMCP(bp)            ((bp)->flags & NO_MCP_FLAG)
1494 
1495 #ifdef CONFIG_BNX2X_SRIOV
1496 #define IS_VF(bp)           ((bp)->flags & IS_VF_FLAG)
1497 #define IS_PF(bp)           (!((bp)->flags & IS_VF_FLAG))
1498 #else
1499 #define IS_VF(bp)           false
1500 #define IS_PF(bp)           true
1501 #endif
1502 
1503 #define NO_ISCSI(bp)        ((bp)->flags & NO_ISCSI_FLAG)
1504 #define NO_ISCSI_OOO(bp)    ((bp)->flags & NO_ISCSI_OOO_FLAG)
1505 #define NO_FCOE(bp)     ((bp)->flags & NO_FCOE_FLAG)
1506 
1507     u8          cnic_support;
1508     bool            cnic_enabled;
1509     bool            cnic_loaded;
1510     struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
1511 
1512     /* Flag that indicates that we can start looking for FCoE L2 queue
1513      * completions in the default status block.
1514      */
1515     bool            fcoe_init;
1516 
1517     int         mrrs;
1518 
1519     struct delayed_work sp_task;
1520     struct delayed_work iov_task;
1521 
1522     atomic_t        interrupt_occurred;
1523     struct delayed_work sp_rtnl_task;
1524 
1525     struct delayed_work period_task;
1526     struct timer_list   timer;
1527     int         current_interval;
1528 
1529     u16         fw_seq;
1530     u16         fw_drv_pulse_wr_seq;
1531     u32         func_stx;
1532 
1533     struct link_params  link_params;
1534     struct link_vars    link_vars;
1535     u32         link_cnt;
1536     struct bnx2x_link_report_data last_reported_link;
1537     bool            force_link_down;
1538 
1539     struct mdio_if_info mdio;
1540 
1541     struct bnx2x_common common;
1542     struct bnx2x_port   port;
1543 
1544     struct cmng_init    cmng;
1545 
1546     u32         mf_config[E1HVN_MAX];
1547     u32         mf_ext_config;
1548     u32         path_has_ovlan; /* E3 */
1549     u16         mf_ov;
1550     u8          mf_mode;
1551 #define IS_MF(bp)       (bp->mf_mode != 0)
1552 #define IS_MF_SI(bp)        (bp->mf_mode == MULTI_FUNCTION_SI)
1553 #define IS_MF_SD(bp)        (bp->mf_mode == MULTI_FUNCTION_SD)
1554 #define IS_MF_AFEX(bp)      (bp->mf_mode == MULTI_FUNCTION_AFEX)
1555     u8          mf_sub_mode;
1556 #define IS_MF_UFP(bp)       (IS_MF_SD(bp) && \
1557                  bp->mf_sub_mode == SUB_MF_MODE_UFP)
1558 #define IS_MF_BD(bp)        (IS_MF_SD(bp) && \
1559                  bp->mf_sub_mode == SUB_MF_MODE_BD)
1560 
1561     u8          wol;
1562 
1563     int         rx_ring_size;
1564 
1565     u16         tx_quick_cons_trip_int;
1566     u16         tx_quick_cons_trip;
1567     u16         tx_ticks_int;
1568     u16         tx_ticks;
1569 
1570     u16         rx_quick_cons_trip_int;
1571     u16         rx_quick_cons_trip;
1572     u16         rx_ticks_int;
1573     u16         rx_ticks;
1574 /* Maximal coalescing timeout in us */
1575 #define BNX2X_MAX_COALESCE_TOUT     (0xff*BNX2X_BTR)
1576 
1577     u32         lin_cnt;
1578 
1579     u16         state;
1580 #define BNX2X_STATE_CLOSED      0
1581 #define BNX2X_STATE_OPENING_WAIT4_LOAD  0x1000
1582 #define BNX2X_STATE_OPENING_WAIT4_PORT  0x2000
1583 #define BNX2X_STATE_OPEN        0x3000
1584 #define BNX2X_STATE_CLOSING_WAIT4_HALT  0x4000
1585 #define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
1586 
1587 #define BNX2X_STATE_DIAG        0xe000
1588 #define BNX2X_STATE_ERROR       0xf000
1589 
1590 #define BNX2X_MAX_PRIORITY      8
1591     int         num_queues;
1592     uint            num_ethernet_queues;
1593     uint            num_cnic_queues;
1594     int         disable_tpa;
1595 
1596     u32         rx_mode;
1597 #define BNX2X_RX_MODE_NONE      0
1598 #define BNX2X_RX_MODE_NORMAL        1
1599 #define BNX2X_RX_MODE_ALLMULTI      2
1600 #define BNX2X_RX_MODE_PROMISC       3
1601 #define BNX2X_MAX_MULTICAST     64
1602 
1603     u8          igu_dsb_id;
1604     u8          igu_base_sb;
1605     u8          igu_sb_cnt;
1606     u8          min_msix_vec_cnt;
1607 
1608     u32         igu_base_addr;
1609     dma_addr_t      def_status_blk_mapping;
1610 
1611     struct bnx2x_slowpath   *slowpath;
1612     dma_addr_t      slowpath_mapping;
1613 
1614     /* Mechanism protecting the drv_info_to_mcp */
1615     struct mutex        drv_info_mutex;
1616     bool            drv_info_mng_owner;
1617 
1618     /* Total number of FW statistics requests */
1619     u8          fw_stats_num;
1620 
1621     /*
1622      * This is a memory buffer that will contain both statistics
1623      * ramrod request and data.
1624      */
1625     void            *fw_stats;
1626     dma_addr_t      fw_stats_mapping;
1627 
1628     /*
1629      * FW statistics request shortcut (points at the
1630      * beginning of fw_stats buffer).
1631      */
1632     struct bnx2x_fw_stats_req   *fw_stats_req;
1633     dma_addr_t          fw_stats_req_mapping;
1634     int             fw_stats_req_sz;
1635 
1636     /*
1637      * FW statistics data shortcut (points at the beginning of
1638      * fw_stats buffer + fw_stats_req_sz).
1639      */
1640     struct bnx2x_fw_stats_data  *fw_stats_data;
1641     dma_addr_t          fw_stats_data_mapping;
1642     int             fw_stats_data_sz;
1643 
1644     /* For max 1024 cids (VF RSS), 32KB ILT page size and 1KB
1645      * context size we need 8 ILT entries.
1646      */
1647 #define ILT_MAX_L2_LINES    32
1648     struct hw_context   context[ILT_MAX_L2_LINES];
1649 
1650     struct bnx2x_ilt    *ilt;
1651 #define BP_ILT(bp)      ((bp)->ilt)
1652 #define ILT_MAX_LINES       256
1653 /*
1654  * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
1655  * to CNIC.
1656  */
1657 #define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
1658 
1659 /*
1660  * Maximum CID count that might be required by the bnx2x:
1661  * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
1662  */
1663 
1664 #define BNX2X_L2_CID_COUNT(bp)  (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
1665                 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1666 #define BNX2X_L2_MAX_CID(bp)    (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
1667                 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1668 #define L2_ILT_LINES(bp)    (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
1669                     ILT_PAGE_CIDS))
1670 
1671     int         qm_cid_count;
1672 
1673     bool            dropless_fc;
1674 
1675     void            *t2;
1676     dma_addr_t      t2_mapping;
1677     struct cnic_ops __rcu   *cnic_ops;
1678     void            *cnic_data;
1679     u32         cnic_tag;
1680     struct cnic_eth_dev cnic_eth_dev;
1681     union host_hc_status_block cnic_sb;
1682     dma_addr_t      cnic_sb_mapping;
1683     struct eth_spe      *cnic_kwq;
1684     struct eth_spe      *cnic_kwq_prod;
1685     struct eth_spe      *cnic_kwq_cons;
1686     struct eth_spe      *cnic_kwq_last;
1687     u16         cnic_kwq_pending;
1688     u16         cnic_spq_pending;
1689     u8          fip_mac[ETH_ALEN];
1690     struct mutex        cnic_mutex;
1691     struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
1692 
1693     /* Start index of the "special" (CNIC related) L2 clients */
1694     u8              cnic_base_cl_id;
1695 
1696     int         dmae_ready;
1697     /* used to synchronize dmae accesses */
1698     spinlock_t      dmae_lock;
1699 
1700     /* used to protect the FW mail box */
1701     struct mutex        fw_mb_mutex;
1702 
1703     /* used to synchronize stats collecting */
1704     int         stats_state;
1705 
1706     /* used for synchronization of concurrent threads statistics handling */
1707     struct semaphore    stats_lock;
1708 
1709     /* used by dmae command loader */
1710     struct dmae_command stats_dmae;
1711     int         executer_idx;
1712 
1713     u16         stats_counter;
1714     struct bnx2x_eth_stats  eth_stats;
1715     struct host_func_stats      func_stats;
1716     struct bnx2x_eth_stats_old  eth_stats_old;
1717     struct bnx2x_net_stats_old  net_stats_old;
1718     struct bnx2x_fw_port_stats_old  fw_stats_old;
1719     bool            stats_init;
1720 
1721     struct z_stream_s   *strm;
1722     void            *gunzip_buf;
1723     dma_addr_t      gunzip_mapping;
1724     int         gunzip_outlen;
1725 #define FW_BUF_SIZE         0x8000
1726 #define GUNZIP_BUF(bp)          (bp->gunzip_buf)
1727 #define GUNZIP_PHYS(bp)         (bp->gunzip_mapping)
1728 #define GUNZIP_OUTLEN(bp)       (bp->gunzip_outlen)
1729 
1730     struct raw_op       *init_ops;
1731     /* Init blocks offsets inside init_ops */
1732     u16         *init_ops_offsets;
1733     /* Data blob - has 32 bit granularity */
1734     u32         *init_data;
1735     u32         init_mode_flags;
1736 #define INIT_MODE_FLAGS(bp) (bp->init_mode_flags)
1737     /* Zipped PRAM blobs - raw data */
1738     const u8        *tsem_int_table_data;
1739     const u8        *tsem_pram_data;
1740     const u8        *usem_int_table_data;
1741     const u8        *usem_pram_data;
1742     const u8        *xsem_int_table_data;
1743     const u8        *xsem_pram_data;
1744     const u8        *csem_int_table_data;
1745     const u8        *csem_pram_data;
1746 #define INIT_OPS(bp)            (bp->init_ops)
1747 #define INIT_OPS_OFFSETS(bp)        (bp->init_ops_offsets)
1748 #define INIT_DATA(bp)           (bp->init_data)
1749 #define INIT_TSEM_INT_TABLE_DATA(bp)    (bp->tsem_int_table_data)
1750 #define INIT_TSEM_PRAM_DATA(bp)     (bp->tsem_pram_data)
1751 #define INIT_USEM_INT_TABLE_DATA(bp)    (bp->usem_int_table_data)
1752 #define INIT_USEM_PRAM_DATA(bp)     (bp->usem_pram_data)
1753 #define INIT_XSEM_INT_TABLE_DATA(bp)    (bp->xsem_int_table_data)
1754 #define INIT_XSEM_PRAM_DATA(bp)     (bp->xsem_pram_data)
1755 #define INIT_CSEM_INT_TABLE_DATA(bp)    (bp->csem_int_table_data)
1756 #define INIT_CSEM_PRAM_DATA(bp)     (bp->csem_pram_data)
1757 
1758 #define PHY_FW_VER_LEN          20
1759     char            fw_ver[32];
1760     const struct firmware   *firmware;
1761 
1762     struct bnx2x_vfdb   *vfdb;
1763 #define IS_SRIOV(bp)        ((bp)->vfdb)
1764 
1765     /* DCB support on/off */
1766     u16 dcb_state;
1767 #define BNX2X_DCB_STATE_OFF         0
1768 #define BNX2X_DCB_STATE_ON          1
1769 
1770     /* DCBX engine mode */
1771     int dcbx_enabled;
1772 #define BNX2X_DCBX_ENABLED_OFF          0
1773 #define BNX2X_DCBX_ENABLED_ON_NEG_OFF       1
1774 #define BNX2X_DCBX_ENABLED_ON_NEG_ON        2
1775 #define BNX2X_DCBX_ENABLED_INVALID      (-1)
1776 
1777     bool dcbx_mode_uset;
1778 
1779     struct bnx2x_config_dcbx_params     dcbx_config_params;
1780     struct bnx2x_dcbx_port_params       dcbx_port_params;
1781     int                 dcb_version;
1782 
1783     /* CAM credit pools */
1784     struct bnx2x_credit_pool_obj        vlans_pool;
1785 
1786     struct bnx2x_credit_pool_obj        macs_pool;
1787 
1788     /* RX_MODE object */
1789     struct bnx2x_rx_mode_obj        rx_mode_obj;
1790 
1791     /* MCAST object */
1792     struct bnx2x_mcast_obj          mcast_obj;
1793 
1794     /* RSS configuration object */
1795     struct bnx2x_rss_config_obj     rss_conf_obj;
1796 
1797     /* Function State controlling object */
1798     struct bnx2x_func_sp_obj        func_obj;
1799 
1800     unsigned long               sp_state;
1801 
1802     /* operation indication for the sp_rtnl task */
1803     unsigned long               sp_rtnl_state;
1804 
1805     /* Indication of the IOV tasks */
1806     unsigned long               iov_task_state;
1807 
1808     /* DCBX Negotiation results */
1809     struct dcbx_features            dcbx_local_feat;
1810     u32                 dcbx_error;
1811 
1812 #ifdef BCM_DCBNL
1813     struct dcbx_features            dcbx_remote_feat;
1814     u32                 dcbx_remote_flags;
1815 #endif
1816     /* AFEX: store default vlan used */
1817     int                 afex_def_vlan_tag;
1818     enum mf_cfg_afex_vlan_mode      afex_vlan_mode;
1819     u32                 pending_max;
1820 
1821     /* multiple tx classes of service */
1822     u8                  max_cos;
1823 
1824     /* priority to cos mapping */
1825     u8                  prio_to_cos[8];
1826 
1827     int fp_array_size;
1828     u32 dump_preset_idx;
1829 
1830     u8                  phys_port_id[ETH_ALEN];
1831 
1832     /* PTP related context */
1833     struct ptp_clock *ptp_clock;
1834     struct ptp_clock_info ptp_clock_info;
1835     struct work_struct ptp_task;
1836     struct cyclecounter cyclecounter;
1837     struct timecounter timecounter;
1838     bool timecounter_init_done;
1839     struct sk_buff *ptp_tx_skb;
1840     unsigned long ptp_tx_start;
1841     bool hwtstamp_ioctl_called;
1842     u16 tx_type;
1843     u16 rx_filter;
1844 
1845     struct bnx2x_link_report_data       vf_link_vars;
1846     struct list_head vlan_reg;
1847     u16 vlan_cnt;
1848     u16 vlan_credit;
1849     bool accept_any_vlan;
1850 
1851     /* Vxlan/Geneve related information */
1852     u16 udp_tunnel_ports[BNX2X_UDP_PORT_MAX];
1853 
1854 #define FW_CAP_INVALIDATE_VF_FP_HSI BIT(0)
1855     u32 fw_cap;
1856 
1857     u32 fw_major;
1858     u32 fw_minor;
1859     u32 fw_rev;
1860     u32 fw_eng;
1861 };
1862 
1863 /* Tx queues may be less or equal to Rx queues */
1864 extern int num_queues;
1865 #define BNX2X_NUM_QUEUES(bp)    (bp->num_queues)
1866 #define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
1867 #define BNX2X_NUM_NON_CNIC_QUEUES(bp)   (BNX2X_NUM_QUEUES(bp) - \
1868                      (bp)->num_cnic_queues)
1869 #define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
1870 
1871 #define is_multi(bp)        (BNX2X_NUM_QUEUES(bp) > 1)
1872 
1873 #define BNX2X_MAX_QUEUES(bp)    BNX2X_MAX_RSS_COUNT(bp)
1874 /* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
1875 
1876 #define RSS_IPV4_CAP_MASK                       \
1877     TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
1878 
1879 #define RSS_IPV4_TCP_CAP_MASK                       \
1880     TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
1881 
1882 #define RSS_IPV6_CAP_MASK                       \
1883     TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
1884 
1885 #define RSS_IPV6_TCP_CAP_MASK                       \
1886     TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
1887 
1888 struct bnx2x_func_init_params {
1889     /* dma */
1890     bool        spq_active;
1891     dma_addr_t  spq_map;
1892     u16     spq_prod;
1893 
1894     u16     func_id;    /* abs fid */
1895     u16     pf_id;
1896 };
1897 
1898 #define for_each_cnic_queue(bp, var) \
1899     for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1900          (var)++) \
1901         if (skip_queue(bp, var))    \
1902             continue;       \
1903         else
1904 
1905 #define for_each_eth_queue(bp, var) \
1906     for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1907 
1908 #define for_each_nondefault_eth_queue(bp, var) \
1909     for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1910 
1911 #define for_each_queue(bp, var) \
1912     for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1913         if (skip_queue(bp, var))    \
1914             continue;       \
1915         else
1916 
1917 /* Skip forwarding FP */
1918 #define for_each_valid_rx_queue(bp, var)            \
1919     for ((var) = 0;                     \
1920          (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) :  \
1921               BNX2X_NUM_ETH_QUEUES(bp));        \
1922          (var)++)                       \
1923         if (skip_rx_queue(bp, var))         \
1924             continue;               \
1925         else
1926 
1927 #define for_each_rx_queue_cnic(bp, var) \
1928     for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1929          (var)++) \
1930         if (skip_rx_queue(bp, var)) \
1931             continue;       \
1932         else
1933 
1934 #define for_each_rx_queue(bp, var) \
1935     for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1936         if (skip_rx_queue(bp, var)) \
1937             continue;       \
1938         else
1939 
1940 /* Skip OOO FP */
1941 #define for_each_valid_tx_queue(bp, var)            \
1942     for ((var) = 0;                     \
1943          (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) :  \
1944               BNX2X_NUM_ETH_QUEUES(bp));        \
1945          (var)++)                       \
1946         if (skip_tx_queue(bp, var))         \
1947             continue;               \
1948         else
1949 
1950 #define for_each_tx_queue_cnic(bp, var) \
1951     for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1952          (var)++) \
1953         if (skip_tx_queue(bp, var)) \
1954             continue;       \
1955         else
1956 
1957 #define for_each_tx_queue(bp, var) \
1958     for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1959         if (skip_tx_queue(bp, var)) \
1960             continue;       \
1961         else
1962 
1963 #define for_each_nondefault_queue(bp, var) \
1964     for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1965         if (skip_queue(bp, var))    \
1966             continue;       \
1967         else
1968 
1969 #define for_each_cos_in_tx_queue(fp, var) \
1970     for ((var) = 0; (var) < (fp)->max_cos; (var)++)
1971 
1972 /* skip rx queue
1973  * if FCOE l2 support is disabled and this is the fcoe L2 queue
1974  */
1975 #define skip_rx_queue(bp, idx)  (NO_FCOE(bp) && IS_FCOE_IDX(idx))
1976 
1977 /* skip tx queue
1978  * if FCOE l2 support is disabled and this is the fcoe L2 queue
1979  */
1980 #define skip_tx_queue(bp, idx)  (NO_FCOE(bp) && IS_FCOE_IDX(idx))
1981 
1982 #define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
1983 
1984 /*self test*/
1985 int bnx2x_idle_chk(struct bnx2x *bp);
1986 
1987 /**
1988  * bnx2x_set_mac_one - configure a single MAC address
1989  *
1990  * @bp:         driver handle
1991  * @mac:        MAC to configure
1992  * @obj:        MAC object handle
1993  * @set:        if 'true' add a new MAC, otherwise - delete
1994  * @mac_type:       the type of the MAC to configure (e.g. ETH, UC list)
1995  * @ramrod_flags:   RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
1996  *
1997  * Configures one MAC according to provided parameters or continues the
1998  * execution of previously scheduled commands if RAMROD_CONT is set in
1999  * ramrod_flags.
2000  *
2001  * Returns zero if operation has successfully completed, a positive value if the
2002  * operation has been successfully scheduled and a negative - if a requested
2003  * operations has failed.
2004  */
2005 int bnx2x_set_mac_one(struct bnx2x *bp, const u8 *mac,
2006               struct bnx2x_vlan_mac_obj *obj, bool set,
2007               int mac_type, unsigned long *ramrod_flags);
2008 
2009 int bnx2x_set_vlan_one(struct bnx2x *bp, u16 vlan,
2010                struct bnx2x_vlan_mac_obj *obj, bool set,
2011                unsigned long *ramrod_flags);
2012 
2013 /**
2014  * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
2015  *
2016  * @bp:         driver handle
2017  * @mac_obj:        MAC object handle
2018  * @mac_type:       type of the MACs to clear (BNX2X_XXX_MAC)
2019  * @wait_for_comp:  if 'true' block until completion
2020  *
2021  * Deletes all MACs of the specific type (e.g. ETH, UC list).
2022  *
2023  * Returns zero if operation has successfully completed, a positive value if the
2024  * operation has been successfully scheduled and a negative - if a requested
2025  * operations has failed.
2026  */
2027 int bnx2x_del_all_macs(struct bnx2x *bp,
2028                struct bnx2x_vlan_mac_obj *mac_obj,
2029                int mac_type, bool wait_for_comp);
2030 
2031 /* Init Function API  */
2032 void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
2033 void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
2034             u8 vf_valid, int fw_sb_id, int igu_sb_id);
2035 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
2036 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2037 int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
2038 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2039 void bnx2x_read_mf_cfg(struct bnx2x *bp);
2040 
2041 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
2042 
2043 /* dmae */
2044 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
2045 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
2046               u32 len32);
2047 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
2048 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
2049 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
2050 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
2051               bool with_comp, u8 comp_type);
2052 
2053 void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2054                    u8 src_type, u8 dst_type);
2055 int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2056                    u32 *comp);
2057 
2058 /* FLR related routines */
2059 u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
2060 void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
2061 int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
2062 u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
2063 int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
2064                     char *msg, u32 poll_cnt);
2065 
2066 void bnx2x_calc_fc_adv(struct bnx2x *bp);
2067 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2068           u32 data_hi, u32 data_lo, int cmd_type);
2069 void bnx2x_update_coalesce(struct bnx2x *bp);
2070 int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
2071 
2072 bool bnx2x_port_after_undi(struct bnx2x *bp);
2073 
2074 static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
2075                int wait)
2076 {
2077     u32 val;
2078 
2079     do {
2080         val = REG_RD(bp, reg);
2081         if (val == expected)
2082             break;
2083         ms -= wait;
2084         msleep(wait);
2085 
2086     } while (ms > 0);
2087 
2088     return val;
2089 }
2090 
2091 void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
2092                 bool is_pf);
2093 
2094 #define BNX2X_ILT_ZALLOC(x, y, size)                    \
2095     x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL)
2096 
2097 #define BNX2X_ILT_FREE(x, y, size) \
2098     do { \
2099         if (x) { \
2100             dma_free_coherent(&bp->pdev->dev, size, x, y); \
2101             x = NULL; \
2102             y = 0; \
2103         } \
2104     } while (0)
2105 
2106 #define ILOG2(x)    (ilog2((x)))
2107 
2108 #define ILT_NUM_PAGE_ENTRIES    (3072)
2109 /* In 57710/11 we use whole table since we have 8 func
2110  * In 57712 we have only 4 func, but use same size per func, then only half of
2111  * the table in use
2112  */
2113 #define ILT_PER_FUNC        (ILT_NUM_PAGE_ENTRIES/8)
2114 
2115 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
2116 /*
2117  * the phys address is shifted right 12 bits and has an added
2118  * 1=valid bit added to the 53rd bit
2119  * then since this is a wide register(TM)
2120  * we split it into two 32 bit writes
2121  */
2122 #define ONCHIP_ADDR1(x)     ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
2123 #define ONCHIP_ADDR2(x)     ((u32)((1 << 20) | ((u64)x >> 44)))
2124 
2125 /* load/unload mode */
2126 #define LOAD_NORMAL         0
2127 #define LOAD_OPEN           1
2128 #define LOAD_DIAG           2
2129 #define LOAD_LOOPBACK_EXT       3
2130 #define UNLOAD_NORMAL           0
2131 #define UNLOAD_CLOSE            1
2132 #define UNLOAD_RECOVERY         2
2133 
2134 /* DMAE command defines */
2135 #define DMAE_TIMEOUT            -1
2136 #define DMAE_PCI_ERROR          -2  /* E2 and onward */
2137 #define DMAE_NOT_RDY            -3
2138 #define DMAE_PCI_ERR_FLAG       0x80000000
2139 
2140 #define DMAE_SRC_PCI            0
2141 #define DMAE_SRC_GRC            1
2142 
2143 #define DMAE_DST_NONE           0
2144 #define DMAE_DST_PCI            1
2145 #define DMAE_DST_GRC            2
2146 
2147 #define DMAE_COMP_PCI           0
2148 #define DMAE_COMP_GRC           1
2149 
2150 /* E2 and onward - PCI error handling in the completion */
2151 
2152 #define DMAE_COMP_REGULAR       0
2153 #define DMAE_COM_SET_ERR        1
2154 
2155 #define DMAE_CMD_SRC_PCI        (DMAE_SRC_PCI << \
2156                         DMAE_COMMAND_SRC_SHIFT)
2157 #define DMAE_CMD_SRC_GRC        (DMAE_SRC_GRC << \
2158                         DMAE_COMMAND_SRC_SHIFT)
2159 
2160 #define DMAE_CMD_DST_PCI        (DMAE_DST_PCI << \
2161                         DMAE_COMMAND_DST_SHIFT)
2162 #define DMAE_CMD_DST_GRC        (DMAE_DST_GRC << \
2163                         DMAE_COMMAND_DST_SHIFT)
2164 
2165 #define DMAE_CMD_C_DST_PCI      (DMAE_COMP_PCI << \
2166                         DMAE_COMMAND_C_DST_SHIFT)
2167 #define DMAE_CMD_C_DST_GRC      (DMAE_COMP_GRC << \
2168                         DMAE_COMMAND_C_DST_SHIFT)
2169 
2170 #define DMAE_CMD_C_ENABLE       DMAE_COMMAND_C_TYPE_ENABLE
2171 
2172 #define DMAE_CMD_ENDIANITY_NO_SWAP  (0 << DMAE_COMMAND_ENDIANITY_SHIFT)
2173 #define DMAE_CMD_ENDIANITY_B_SWAP   (1 << DMAE_COMMAND_ENDIANITY_SHIFT)
2174 #define DMAE_CMD_ENDIANITY_DW_SWAP  (2 << DMAE_COMMAND_ENDIANITY_SHIFT)
2175 #define DMAE_CMD_ENDIANITY_B_DW_SWAP    (3 << DMAE_COMMAND_ENDIANITY_SHIFT)
2176 
2177 #define DMAE_CMD_PORT_0         0
2178 #define DMAE_CMD_PORT_1         DMAE_COMMAND_PORT
2179 
2180 #define DMAE_CMD_SRC_RESET      DMAE_COMMAND_SRC_RESET
2181 #define DMAE_CMD_DST_RESET      DMAE_COMMAND_DST_RESET
2182 #define DMAE_CMD_E1HVN_SHIFT        DMAE_COMMAND_E1HVN_SHIFT
2183 
2184 #define DMAE_SRC_PF         0
2185 #define DMAE_SRC_VF         1
2186 
2187 #define DMAE_DST_PF         0
2188 #define DMAE_DST_VF         1
2189 
2190 #define DMAE_C_SRC          0
2191 #define DMAE_C_DST          1
2192 
2193 #define DMAE_LEN32_RD_MAX       0x80
2194 #define DMAE_LEN32_WR_MAX(bp)       (CHIP_IS_E1(bp) ? 0x400 : 0x2000)
2195 
2196 #define DMAE_COMP_VAL           0x60d0d0ae /* E2 and on - upper bit
2197                             * indicates error
2198                             */
2199 
2200 #define MAX_DMAE_C_PER_PORT     8
2201 #define INIT_DMAE_C(bp)         (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2202                      BP_VN(bp))
2203 #define PMF_DMAE_C(bp)          (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2204                      E1HVN_MAX)
2205 
2206 /* Following is the DMAE channel number allocation for the clients.
2207  *   MFW: OCBB/OCSD implementations use DMAE channels 14/15 respectively.
2208  *   Driver: 0-3 and 8-11 (for PF dmae operations)
2209  *           4 and 12 (for stats requests)
2210  */
2211 #define BNX2X_FW_DMAE_C                 13 /* Channel for FW DMAE operations */
2212 
2213 /* PCIE link and speed */
2214 #define PCICFG_LINK_WIDTH       0x1f00000
2215 #define PCICFG_LINK_WIDTH_SHIFT     20
2216 #define PCICFG_LINK_SPEED       0xf0000
2217 #define PCICFG_LINK_SPEED_SHIFT     16
2218 
2219 #define BNX2X_NUM_TESTS_SF      7
2220 #define BNX2X_NUM_TESTS_MF      3
2221 #define BNX2X_NUM_TESTS(bp)     (IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
2222                          IS_VF(bp) ? 0 : BNX2X_NUM_TESTS_SF)
2223 
2224 #define BNX2X_PHY_LOOPBACK      0
2225 #define BNX2X_MAC_LOOPBACK      1
2226 #define BNX2X_EXT_LOOPBACK      2
2227 #define BNX2X_PHY_LOOPBACK_FAILED   1
2228 #define BNX2X_MAC_LOOPBACK_FAILED   2
2229 #define BNX2X_EXT_LOOPBACK_FAILED   3
2230 #define BNX2X_LOOPBACK_FAILED       (BNX2X_MAC_LOOPBACK_FAILED | \
2231                      BNX2X_PHY_LOOPBACK_FAILED)
2232 
2233 #define STROM_ASSERT_ARRAY_SIZE     50
2234 
2235 /* must be used on a CID before placing it on a HW ring */
2236 #define HW_CID(bp, x)           ((BP_PORT(bp) << 23) | \
2237                      (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
2238                      (x))
2239 
2240 #define SP_DESC_CNT     (BCM_PAGE_SIZE / sizeof(struct eth_spe))
2241 #define MAX_SP_DESC_CNT         (SP_DESC_CNT - 1)
2242 
2243 #define BNX2X_BTR           4
2244 #define MAX_SPQ_PENDING         8
2245 
2246 /* CMNG constants, as derived from system spec calculations */
2247 /* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
2248 #define DEF_MIN_RATE                    100
2249 /* resolution of the rate shaping timer - 400 usec */
2250 #define RS_PERIODIC_TIMEOUT_USEC            400
2251 /* number of bytes in single QM arbitration cycle -
2252  * coefficient for calculating the fairness timer */
2253 #define QM_ARB_BYTES                    160000
2254 /* resolution of Min algorithm 1:100 */
2255 #define MIN_RES                     100
2256 /* how many bytes above threshold for the minimal credit of Min algorithm*/
2257 #define MIN_ABOVE_THRESH                32768
2258 /* Fairness algorithm integration time coefficient -
2259  * for calculating the actual Tfair */
2260 #define T_FAIR_COEF ((MIN_ABOVE_THRESH +  QM_ARB_BYTES) * 8 * MIN_RES)
2261 /* Memory of fairness algorithm . 2 cycles */
2262 #define FAIR_MEM                    2
2263 
2264 #define ATTN_NIG_FOR_FUNC       (1L << 8)
2265 #define ATTN_SW_TIMER_4_FUNC        (1L << 9)
2266 #define GPIO_2_FUNC         (1L << 10)
2267 #define GPIO_3_FUNC         (1L << 11)
2268 #define GPIO_4_FUNC         (1L << 12)
2269 #define ATTN_GENERAL_ATTN_1     (1L << 13)
2270 #define ATTN_GENERAL_ATTN_2     (1L << 14)
2271 #define ATTN_GENERAL_ATTN_3     (1L << 15)
2272 #define ATTN_GENERAL_ATTN_4     (1L << 13)
2273 #define ATTN_GENERAL_ATTN_5     (1L << 14)
2274 #define ATTN_GENERAL_ATTN_6     (1L << 15)
2275 
2276 #define ATTN_HARD_WIRED_MASK        0xff00
2277 #define ATTENTION_ID            4
2278 
2279 #define IS_MF_STORAGE_ONLY(bp) (IS_MF_STORAGE_PERSONALITY_ONLY(bp) || \
2280                  IS_MF_FCOE_AFEX(bp))
2281 
2282 /* stuff added to make the code fit 80Col */
2283 
2284 #define BNX2X_PMF_LINK_ASSERT \
2285     GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
2286 
2287 #define BNX2X_MC_ASSERT_BITS \
2288     (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2289      GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2290      GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2291      GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2292 
2293 #define BNX2X_MCP_ASSERT \
2294     GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2295 
2296 #define BNX2X_GRC_TIMEOUT   GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2297 #define BNX2X_GRC_RSV       (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2298                  GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2299                  GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2300                  GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2301                  GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2302                  GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2303 
2304 #define HW_INTERRUPT_ASSERT_SET_0 \
2305                 (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
2306                  AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
2307                  AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
2308                  AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
2309                  AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
2310 #define HW_PRTY_ASSERT_SET_0    (AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
2311                  AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
2312                  AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
2313                  AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
2314                  AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
2315                  AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
2316                  AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
2317 #define HW_INTERRUPT_ASSERT_SET_1 \
2318                 (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
2319                  AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
2320                  AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
2321                  AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
2322                  AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
2323                  AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
2324                  AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
2325                  AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
2326                  AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
2327                  AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
2328                  AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
2329 #define HW_PRTY_ASSERT_SET_1    (AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
2330                  AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
2331                  AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
2332                  AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
2333                  AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
2334                  AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
2335                  AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
2336                  AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
2337                  AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
2338                  AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
2339                  AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
2340                  AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
2341                  AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
2342                  AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
2343                  AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
2344                  AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
2345 #define HW_INTERRUPT_ASSERT_SET_2 \
2346                 (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
2347                  AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
2348                  AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
2349             AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
2350                  AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
2351 #define HW_PRTY_ASSERT_SET_2    (AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
2352                  AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
2353             AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
2354                  AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
2355                  AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
2356                  AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
2357                  AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
2358                  AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
2359 
2360 #define HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD \
2361         (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
2362          AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
2363          AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY)
2364 
2365 #define HW_PRTY_ASSERT_SET_3 (HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD | \
2366                   AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
2367 
2368 #define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
2369                   AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
2370 
2371 #define MULTI_MASK          0x7f
2372 
2373 #define DEF_USB_FUNC_OFF    offsetof(struct cstorm_def_status_block_u, func)
2374 #define DEF_CSB_FUNC_OFF    offsetof(struct cstorm_def_status_block_c, func)
2375 #define DEF_XSB_FUNC_OFF    offsetof(struct xstorm_def_status_block, func)
2376 #define DEF_TSB_FUNC_OFF    offsetof(struct tstorm_def_status_block, func)
2377 
2378 #define DEF_USB_IGU_INDEX_OFF \
2379             offsetof(struct cstorm_def_status_block_u, igu_index)
2380 #define DEF_CSB_IGU_INDEX_OFF \
2381             offsetof(struct cstorm_def_status_block_c, igu_index)
2382 #define DEF_XSB_IGU_INDEX_OFF \
2383             offsetof(struct xstorm_def_status_block, igu_index)
2384 #define DEF_TSB_IGU_INDEX_OFF \
2385             offsetof(struct tstorm_def_status_block, igu_index)
2386 
2387 #define DEF_USB_SEGMENT_OFF \
2388             offsetof(struct cstorm_def_status_block_u, segment)
2389 #define DEF_CSB_SEGMENT_OFF \
2390             offsetof(struct cstorm_def_status_block_c, segment)
2391 #define DEF_XSB_SEGMENT_OFF \
2392             offsetof(struct xstorm_def_status_block, segment)
2393 #define DEF_TSB_SEGMENT_OFF \
2394             offsetof(struct tstorm_def_status_block, segment)
2395 
2396 #define BNX2X_SP_DSB_INDEX \
2397         (&bp->def_status_blk->sp_sb.\
2398                     index_values[HC_SP_INDEX_ETH_DEF_CONS])
2399 
2400 #define CAM_IS_INVALID(x) \
2401     (GET_FLAG(x.flags, \
2402     MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
2403     (T_ETH_MAC_COMMAND_INVALIDATE))
2404 
2405 /* Number of u32 elements in MC hash array */
2406 #define MC_HASH_SIZE            8
2407 #define MC_HASH_OFFSET(bp, i)       (BAR_TSTRORM_INTMEM + \
2408     TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
2409 
2410 #ifndef PXP2_REG_PXP2_INT_STS
2411 #define PXP2_REG_PXP2_INT_STS       PXP2_REG_PXP2_INT_STS_0
2412 #endif
2413 
2414 #ifndef ETH_MAX_RX_CLIENTS_E2
2415 #define ETH_MAX_RX_CLIENTS_E2       ETH_MAX_RX_CLIENTS_E1H
2416 #endif
2417 
2418 #define VENDOR_ID_LEN           4
2419 
2420 #define VF_ACQUIRE_THRESH       3
2421 #define VF_ACQUIRE_MAC_FILTERS      1
2422 #define VF_ACQUIRE_MC_FILTERS       10
2423 #define VF_ACQUIRE_VLAN_FILTERS     2 /* VLAN0 + 'real' VLAN */
2424 
2425 #define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
2426                 (!((me_reg) & ME_REG_VF_ERR)))
2427 int bnx2x_compare_fw_ver(struct bnx2x *bp, u32 load_code, bool print_err);
2428 
2429 /* Congestion management fairness mode */
2430 #define CMNG_FNS_NONE           0
2431 #define CMNG_FNS_MINMAX         1
2432 
2433 #define HC_SEG_ACCESS_DEF       0   /*Driver decision 0-3*/
2434 #define HC_SEG_ACCESS_ATTN      4
2435 #define HC_SEG_ACCESS_NORM      0   /*Driver decision 0-1*/
2436 
2437 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev);
2438 void bnx2x_notify_link_changed(struct bnx2x *bp);
2439 
2440 #define BNX2X_MF_SD_PROTOCOL(bp) \
2441     ((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
2442 
2443 #define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
2444     (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
2445 
2446 #define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
2447     (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
2448 
2449 #define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
2450 #define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
2451 #define IS_MF_ISCSI_SI(bp) (IS_MF_SI(bp) && BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp))
2452 
2453 #define IS_MF_ISCSI_ONLY(bp)    (IS_MF_ISCSI_SD(bp) ||  IS_MF_ISCSI_SI(bp))
2454 
2455 #define BNX2X_MF_EXT_PROTOCOL_MASK                  \
2456                 (MACP_FUNC_CFG_FLAGS_ETHERNET |     \
2457                  MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD |    \
2458                  MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2459 
2460 #define BNX2X_MF_EXT_PROT(bp)   ((bp)->mf_ext_config &          \
2461                  BNX2X_MF_EXT_PROTOCOL_MASK)
2462 
2463 #define BNX2X_HAS_MF_EXT_PROTOCOL_FCOE(bp)              \
2464         (BNX2X_MF_EXT_PROT(bp) & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2465 
2466 #define BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp)               \
2467         (BNX2X_MF_EXT_PROT(bp) == MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2468 
2469 #define BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp)              \
2470         (BNX2X_MF_EXT_PROT(bp) == MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD)
2471 
2472 #define IS_MF_FCOE_AFEX(bp)                     \
2473         (IS_MF_AFEX(bp) && BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp))
2474 
2475 #define IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp)               \
2476                 (IS_MF_SD(bp) &&            \
2477                  (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) ||  \
2478                   BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
2479 
2480 #define IS_MF_SI_STORAGE_PERSONALITY_ONLY(bp)               \
2481                 (IS_MF_SI(bp) &&            \
2482                  (BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp) || \
2483                   BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp)))
2484 
2485 #define IS_MF_STORAGE_PERSONALITY_ONLY(bp)              \
2486             (IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp) ||   \
2487              IS_MF_SI_STORAGE_PERSONALITY_ONLY(bp))
2488 
2489 /* Determines whether BW configuration arrives in 100Mb units or in
2490  * percentages from actual physical link speed.
2491  */
2492 #define IS_MF_PERCENT_BW(bp) (IS_MF_SI(bp) || IS_MF_UFP(bp) || IS_MF_BD(bp))
2493 
2494 #define SET_FLAG(value, mask, flag) \
2495     do {\
2496         (value) &= ~(mask);\
2497         (value) |= ((flag) << (mask##_SHIFT));\
2498     } while (0)
2499 
2500 #define GET_FLAG(value, mask) \
2501     (((value) & (mask)) >> (mask##_SHIFT))
2502 
2503 #define GET_FIELD(value, fname) \
2504     (((value) & (fname##_MASK)) >> (fname##_SHIFT))
2505 
2506 enum {
2507     SWITCH_UPDATE,
2508     AFEX_UPDATE,
2509 };
2510 
2511 #define NUM_MACS    8
2512 
2513 void bnx2x_set_local_cmng(struct bnx2x *bp);
2514 
2515 void bnx2x_update_mng_version(struct bnx2x *bp);
2516 
2517 void bnx2x_update_mfw_dump(struct bnx2x *bp);
2518 
2519 #define MCPR_SCRATCH_BASE(bp) \
2520     (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
2521 
2522 #define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX))
2523 
2524 void bnx2x_init_ptp(struct bnx2x *bp);
2525 int bnx2x_configure_ptp_filters(struct bnx2x *bp);
2526 void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb);
2527 void bnx2x_register_phc(struct bnx2x *bp);
2528 
2529 #define BNX2X_MAX_PHC_DRIFT 31000000
2530 #define BNX2X_PTP_TX_TIMEOUT
2531 
2532 /* Re-configure all previously configured vlan filters.
2533  * Meant for implicit re-load flows.
2534  */
2535 int bnx2x_vlan_reconfigure_vid(struct bnx2x *bp);
2536 #endif /* bnx2x.h */