linux/drivers/net/ethernet/broadcom/bnxt/bnxt.h
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   1/* Broadcom NetXtreme-C/E network driver.
   2 *
   3 * Copyright (c) 2014-2016 Broadcom Corporation
   4 * Copyright (c) 2016-2017 Broadcom Limited
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation.
   9 */
  10
  11#ifndef BNXT_H
  12#define BNXT_H
  13
  14#define DRV_MODULE_NAME         "bnxt_en"
  15#define DRV_MODULE_VERSION      "1.8.0"
  16
  17#define DRV_VER_MAJ     1
  18#define DRV_VER_MIN     8
  19#define DRV_VER_UPD     0
  20
  21#include <linux/interrupt.h>
  22#include <linux/rhashtable.h>
  23#include <net/devlink.h>
  24#include <net/dst_metadata.h>
  25#include <net/switchdev.h>
  26
  27struct tx_bd {
  28        __le32 tx_bd_len_flags_type;
  29        #define TX_BD_TYPE                                      (0x3f << 0)
  30         #define TX_BD_TYPE_SHORT_TX_BD                          (0x00 << 0)
  31         #define TX_BD_TYPE_LONG_TX_BD                           (0x10 << 0)
  32        #define TX_BD_FLAGS_PACKET_END                          (1 << 6)
  33        #define TX_BD_FLAGS_NO_CMPL                             (1 << 7)
  34        #define TX_BD_FLAGS_BD_CNT                              (0x1f << 8)
  35         #define TX_BD_FLAGS_BD_CNT_SHIFT                        8
  36        #define TX_BD_FLAGS_LHINT                               (3 << 13)
  37         #define TX_BD_FLAGS_LHINT_SHIFT                         13
  38         #define TX_BD_FLAGS_LHINT_512_AND_SMALLER               (0 << 13)
  39         #define TX_BD_FLAGS_LHINT_512_TO_1023                   (1 << 13)
  40         #define TX_BD_FLAGS_LHINT_1024_TO_2047                  (2 << 13)
  41         #define TX_BD_FLAGS_LHINT_2048_AND_LARGER               (3 << 13)
  42        #define TX_BD_FLAGS_COAL_NOW                            (1 << 15)
  43        #define TX_BD_LEN                                       (0xffff << 16)
  44         #define TX_BD_LEN_SHIFT                                 16
  45
  46        u32 tx_bd_opaque;
  47        __le64 tx_bd_haddr;
  48} __packed;
  49
  50struct tx_bd_ext {
  51        __le32 tx_bd_hsize_lflags;
  52        #define TX_BD_FLAGS_TCP_UDP_CHKSUM                      (1 << 0)
  53        #define TX_BD_FLAGS_IP_CKSUM                            (1 << 1)
  54        #define TX_BD_FLAGS_NO_CRC                              (1 << 2)
  55        #define TX_BD_FLAGS_STAMP                               (1 << 3)
  56        #define TX_BD_FLAGS_T_IP_CHKSUM                         (1 << 4)
  57        #define TX_BD_FLAGS_LSO                                 (1 << 5)
  58        #define TX_BD_FLAGS_IPID_FMT                            (1 << 6)
  59        #define TX_BD_FLAGS_T_IPID                              (1 << 7)
  60        #define TX_BD_HSIZE                                     (0xff << 16)
  61         #define TX_BD_HSIZE_SHIFT                               16
  62
  63        __le32 tx_bd_mss;
  64        __le32 tx_bd_cfa_action;
  65        #define TX_BD_CFA_ACTION                                (0xffff << 16)
  66         #define TX_BD_CFA_ACTION_SHIFT                          16
  67
  68        __le32 tx_bd_cfa_meta;
  69        #define TX_BD_CFA_META_MASK                             0xfffffff
  70        #define TX_BD_CFA_META_VID_MASK                         0xfff
  71        #define TX_BD_CFA_META_PRI_MASK                         (0xf << 12)
  72         #define TX_BD_CFA_META_PRI_SHIFT                        12
  73        #define TX_BD_CFA_META_TPID_MASK                        (3 << 16)
  74         #define TX_BD_CFA_META_TPID_SHIFT                       16
  75        #define TX_BD_CFA_META_KEY                              (0xf << 28)
  76         #define TX_BD_CFA_META_KEY_SHIFT                        28
  77        #define TX_BD_CFA_META_KEY_VLAN                         (1 << 28)
  78};
  79
  80struct rx_bd {
  81        __le32 rx_bd_len_flags_type;
  82        #define RX_BD_TYPE                                      (0x3f << 0)
  83         #define RX_BD_TYPE_RX_PACKET_BD                         0x4
  84         #define RX_BD_TYPE_RX_BUFFER_BD                         0x5
  85         #define RX_BD_TYPE_RX_AGG_BD                            0x6
  86         #define RX_BD_TYPE_16B_BD_SIZE                          (0 << 4)
  87         #define RX_BD_TYPE_32B_BD_SIZE                          (1 << 4)
  88         #define RX_BD_TYPE_48B_BD_SIZE                          (2 << 4)
  89         #define RX_BD_TYPE_64B_BD_SIZE                          (3 << 4)
  90        #define RX_BD_FLAGS_SOP                                 (1 << 6)
  91        #define RX_BD_FLAGS_EOP                                 (1 << 7)
  92        #define RX_BD_FLAGS_BUFFERS                             (3 << 8)
  93         #define RX_BD_FLAGS_1_BUFFER_PACKET                     (0 << 8)
  94         #define RX_BD_FLAGS_2_BUFFER_PACKET                     (1 << 8)
  95         #define RX_BD_FLAGS_3_BUFFER_PACKET                     (2 << 8)
  96         #define RX_BD_FLAGS_4_BUFFER_PACKET                     (3 << 8)
  97        #define RX_BD_LEN                                       (0xffff << 16)
  98         #define RX_BD_LEN_SHIFT                                 16
  99
 100        u32 rx_bd_opaque;
 101        __le64 rx_bd_haddr;
 102};
 103
 104struct tx_cmp {
 105        __le32 tx_cmp_flags_type;
 106        #define CMP_TYPE                                        (0x3f << 0)
 107         #define CMP_TYPE_TX_L2_CMP                              0
 108         #define CMP_TYPE_RX_L2_CMP                              17
 109         #define CMP_TYPE_RX_AGG_CMP                             18
 110         #define CMP_TYPE_RX_L2_TPA_START_CMP                    19
 111         #define CMP_TYPE_RX_L2_TPA_END_CMP                      21
 112         #define CMP_TYPE_STATUS_CMP                             32
 113         #define CMP_TYPE_REMOTE_DRIVER_REQ                      34
 114         #define CMP_TYPE_REMOTE_DRIVER_RESP                     36
 115         #define CMP_TYPE_ERROR_STATUS                           48
 116         #define CMPL_BASE_TYPE_STAT_EJECT                       0x1aUL
 117         #define CMPL_BASE_TYPE_HWRM_DONE                        0x20UL
 118         #define CMPL_BASE_TYPE_HWRM_FWD_REQ                     0x22UL
 119         #define CMPL_BASE_TYPE_HWRM_FWD_RESP                    0x24UL
 120         #define CMPL_BASE_TYPE_HWRM_ASYNC_EVENT                 0x2eUL
 121
 122        #define TX_CMP_FLAGS_ERROR                              (1 << 6)
 123        #define TX_CMP_FLAGS_PUSH                               (1 << 7)
 124
 125        u32 tx_cmp_opaque;
 126        __le32 tx_cmp_errors_v;
 127        #define TX_CMP_V                                        (1 << 0)
 128        #define TX_CMP_ERRORS_BUFFER_ERROR                      (7 << 1)
 129         #define TX_CMP_ERRORS_BUFFER_ERROR_NO_ERROR             0
 130         #define TX_CMP_ERRORS_BUFFER_ERROR_BAD_FORMAT           2
 131         #define TX_CMP_ERRORS_BUFFER_ERROR_INVALID_STAG         4
 132         #define TX_CMP_ERRORS_BUFFER_ERROR_STAG_BOUNDS          5
 133         #define TX_CMP_ERRORS_ZERO_LENGTH_PKT                   (1 << 4)
 134         #define TX_CMP_ERRORS_EXCESSIVE_BD_LEN                  (1 << 5)
 135         #define TX_CMP_ERRORS_DMA_ERROR                         (1 << 6)
 136         #define TX_CMP_ERRORS_HINT_TOO_SHORT                    (1 << 7)
 137
 138        __le32 tx_cmp_unsed_3;
 139};
 140
 141struct rx_cmp {
 142        __le32 rx_cmp_len_flags_type;
 143        #define RX_CMP_CMP_TYPE                                 (0x3f << 0)
 144        #define RX_CMP_FLAGS_ERROR                              (1 << 6)
 145        #define RX_CMP_FLAGS_PLACEMENT                          (7 << 7)
 146        #define RX_CMP_FLAGS_RSS_VALID                          (1 << 10)
 147        #define RX_CMP_FLAGS_UNUSED                             (1 << 11)
 148         #define RX_CMP_FLAGS_ITYPES_SHIFT                       12
 149         #define RX_CMP_FLAGS_ITYPE_UNKNOWN                      (0 << 12)
 150         #define RX_CMP_FLAGS_ITYPE_IP                           (1 << 12)
 151         #define RX_CMP_FLAGS_ITYPE_TCP                          (2 << 12)
 152         #define RX_CMP_FLAGS_ITYPE_UDP                          (3 << 12)
 153         #define RX_CMP_FLAGS_ITYPE_FCOE                         (4 << 12)
 154         #define RX_CMP_FLAGS_ITYPE_ROCE                         (5 << 12)
 155         #define RX_CMP_FLAGS_ITYPE_PTP_WO_TS                    (8 << 12)
 156         #define RX_CMP_FLAGS_ITYPE_PTP_W_TS                     (9 << 12)
 157        #define RX_CMP_LEN                                      (0xffff << 16)
 158         #define RX_CMP_LEN_SHIFT                                16
 159
 160        u32 rx_cmp_opaque;
 161        __le32 rx_cmp_misc_v1;
 162        #define RX_CMP_V1                                       (1 << 0)
 163        #define RX_CMP_AGG_BUFS                                 (0x1f << 1)
 164         #define RX_CMP_AGG_BUFS_SHIFT                           1
 165        #define RX_CMP_RSS_HASH_TYPE                            (0x7f << 9)
 166         #define RX_CMP_RSS_HASH_TYPE_SHIFT                      9
 167        #define RX_CMP_PAYLOAD_OFFSET                           (0xff << 16)
 168         #define RX_CMP_PAYLOAD_OFFSET_SHIFT                     16
 169
 170        __le32 rx_cmp_rss_hash;
 171};
 172
 173#define RX_CMP_HASH_VALID(rxcmp)                                \
 174        ((rxcmp)->rx_cmp_len_flags_type & cpu_to_le32(RX_CMP_FLAGS_RSS_VALID))
 175
 176#define RSS_PROFILE_ID_MASK     0x1f
 177
 178#define RX_CMP_HASH_TYPE(rxcmp)                                 \
 179        (((le32_to_cpu((rxcmp)->rx_cmp_misc_v1) & RX_CMP_RSS_HASH_TYPE) >>\
 180          RX_CMP_RSS_HASH_TYPE_SHIFT) & RSS_PROFILE_ID_MASK)
 181
 182struct rx_cmp_ext {
 183        __le32 rx_cmp_flags2;
 184        #define RX_CMP_FLAGS2_IP_CS_CALC                        0x1
 185        #define RX_CMP_FLAGS2_L4_CS_CALC                        (0x1 << 1)
 186        #define RX_CMP_FLAGS2_T_IP_CS_CALC                      (0x1 << 2)
 187        #define RX_CMP_FLAGS2_T_L4_CS_CALC                      (0x1 << 3)
 188        #define RX_CMP_FLAGS2_META_FORMAT_VLAN                  (0x1 << 4)
 189        __le32 rx_cmp_meta_data;
 190        #define RX_CMP_FLAGS2_METADATA_VID_MASK                 0xfff
 191        #define RX_CMP_FLAGS2_METADATA_TPID_MASK                0xffff0000
 192         #define RX_CMP_FLAGS2_METADATA_TPID_SFT                 16
 193        __le32 rx_cmp_cfa_code_errors_v2;
 194        #define RX_CMP_V                                        (1 << 0)
 195        #define RX_CMPL_ERRORS_MASK                             (0x7fff << 1)
 196         #define RX_CMPL_ERRORS_SFT                              1
 197        #define RX_CMPL_ERRORS_BUFFER_ERROR_MASK                (0x7 << 1)
 198         #define RX_CMPL_ERRORS_BUFFER_ERROR_NO_BUFFER           (0x0 << 1)
 199         #define RX_CMPL_ERRORS_BUFFER_ERROR_DID_NOT_FIT         (0x1 << 1)
 200         #define RX_CMPL_ERRORS_BUFFER_ERROR_NOT_ON_CHIP         (0x2 << 1)
 201         #define RX_CMPL_ERRORS_BUFFER_ERROR_BAD_FORMAT          (0x3 << 1)
 202        #define RX_CMPL_ERRORS_IP_CS_ERROR                      (0x1 << 4)
 203        #define RX_CMPL_ERRORS_L4_CS_ERROR                      (0x1 << 5)
 204        #define RX_CMPL_ERRORS_T_IP_CS_ERROR                    (0x1 << 6)
 205        #define RX_CMPL_ERRORS_T_L4_CS_ERROR                    (0x1 << 7)
 206        #define RX_CMPL_ERRORS_CRC_ERROR                        (0x1 << 8)
 207        #define RX_CMPL_ERRORS_T_PKT_ERROR_MASK                 (0x7 << 9)
 208         #define RX_CMPL_ERRORS_T_PKT_ERROR_NO_ERROR             (0x0 << 9)
 209         #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_VERSION     (0x1 << 9)
 210         #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_HDR_LEN     (0x2 << 9)
 211         #define RX_CMPL_ERRORS_T_PKT_ERROR_TUNNEL_TOTAL_ERROR   (0x3 << 9)
 212         #define RX_CMPL_ERRORS_T_PKT_ERROR_T_IP_TOTAL_ERROR     (0x4 << 9)
 213         #define RX_CMPL_ERRORS_T_PKT_ERROR_T_UDP_TOTAL_ERROR    (0x5 << 9)
 214         #define RX_CMPL_ERRORS_T_PKT_ERROR_T_L3_BAD_TTL         (0x6 << 9)
 215        #define RX_CMPL_ERRORS_PKT_ERROR_MASK                   (0xf << 12)
 216         #define RX_CMPL_ERRORS_PKT_ERROR_NO_ERROR               (0x0 << 12)
 217         #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_VERSION         (0x1 << 12)
 218         #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_HDR_LEN         (0x2 << 12)
 219         #define RX_CMPL_ERRORS_PKT_ERROR_L3_BAD_TTL             (0x3 << 12)
 220         #define RX_CMPL_ERRORS_PKT_ERROR_IP_TOTAL_ERROR         (0x4 << 12)
 221         #define RX_CMPL_ERRORS_PKT_ERROR_UDP_TOTAL_ERROR        (0x5 << 12)
 222         #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_HDR_LEN         (0x6 << 12)
 223         #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_HDR_LEN_TOO_SMALL (0x7 << 12)
 224         #define RX_CMPL_ERRORS_PKT_ERROR_L4_BAD_OPT_LEN         (0x8 << 12)
 225
 226        #define RX_CMPL_CFA_CODE_MASK                           (0xffff << 16)
 227         #define RX_CMPL_CFA_CODE_SFT                            16
 228
 229        __le32 rx_cmp_unused3;
 230};
 231
 232#define RX_CMP_L2_ERRORS                                                \
 233        cpu_to_le32(RX_CMPL_ERRORS_BUFFER_ERROR_MASK | RX_CMPL_ERRORS_CRC_ERROR)
 234
 235#define RX_CMP_L4_CS_BITS                                               \
 236        (cpu_to_le32(RX_CMP_FLAGS2_L4_CS_CALC | RX_CMP_FLAGS2_T_L4_CS_CALC))
 237
 238#define RX_CMP_L4_CS_ERR_BITS                                           \
 239        (cpu_to_le32(RX_CMPL_ERRORS_L4_CS_ERROR | RX_CMPL_ERRORS_T_L4_CS_ERROR))
 240
 241#define RX_CMP_L4_CS_OK(rxcmp1)                                         \
 242            (((rxcmp1)->rx_cmp_flags2 & RX_CMP_L4_CS_BITS) &&           \
 243             !((rxcmp1)->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS))
 244
 245#define RX_CMP_ENCAP(rxcmp1)                                            \
 246            ((le32_to_cpu((rxcmp1)->rx_cmp_flags2) &                    \
 247             RX_CMP_FLAGS2_T_L4_CS_CALC) >> 3)
 248
 249#define RX_CMP_CFA_CODE(rxcmpl1)                                        \
 250        ((le32_to_cpu((rxcmpl1)->rx_cmp_cfa_code_errors_v2) &           \
 251          RX_CMPL_CFA_CODE_MASK) >> RX_CMPL_CFA_CODE_SFT)
 252
 253struct rx_agg_cmp {
 254        __le32 rx_agg_cmp_len_flags_type;
 255        #define RX_AGG_CMP_TYPE                                 (0x3f << 0)
 256        #define RX_AGG_CMP_LEN                                  (0xffff << 16)
 257         #define RX_AGG_CMP_LEN_SHIFT                            16
 258        u32 rx_agg_cmp_opaque;
 259        __le32 rx_agg_cmp_v;
 260        #define RX_AGG_CMP_V                                    (1 << 0)
 261        __le32 rx_agg_cmp_unused;
 262};
 263
 264struct rx_tpa_start_cmp {
 265        __le32 rx_tpa_start_cmp_len_flags_type;
 266        #define RX_TPA_START_CMP_TYPE                           (0x3f << 0)
 267        #define RX_TPA_START_CMP_FLAGS                          (0x3ff << 6)
 268         #define RX_TPA_START_CMP_FLAGS_SHIFT                    6
 269        #define RX_TPA_START_CMP_FLAGS_PLACEMENT                (0x7 << 7)
 270         #define RX_TPA_START_CMP_FLAGS_PLACEMENT_SHIFT          7
 271         #define RX_TPA_START_CMP_FLAGS_PLACEMENT_JUMBO          (0x1 << 7)
 272         #define RX_TPA_START_CMP_FLAGS_PLACEMENT_HDS            (0x2 << 7)
 273         #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_JUMBO      (0x5 << 7)
 274         #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_HDS        (0x6 << 7)
 275        #define RX_TPA_START_CMP_FLAGS_RSS_VALID                (0x1 << 10)
 276        #define RX_TPA_START_CMP_FLAGS_ITYPES                   (0xf << 12)
 277         #define RX_TPA_START_CMP_FLAGS_ITYPES_SHIFT             12
 278         #define RX_TPA_START_CMP_FLAGS_ITYPE_TCP                (0x2 << 12)
 279        #define RX_TPA_START_CMP_LEN                            (0xffff << 16)
 280         #define RX_TPA_START_CMP_LEN_SHIFT                      16
 281
 282        u32 rx_tpa_start_cmp_opaque;
 283        __le32 rx_tpa_start_cmp_misc_v1;
 284        #define RX_TPA_START_CMP_V1                             (0x1 << 0)
 285        #define RX_TPA_START_CMP_RSS_HASH_TYPE                  (0x7f << 9)
 286         #define RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT            9
 287        #define RX_TPA_START_CMP_AGG_ID                         (0x7f << 25)
 288         #define RX_TPA_START_CMP_AGG_ID_SHIFT                   25
 289
 290        __le32 rx_tpa_start_cmp_rss_hash;
 291};
 292
 293#define TPA_START_HASH_VALID(rx_tpa_start)                              \
 294        ((rx_tpa_start)->rx_tpa_start_cmp_len_flags_type &              \
 295         cpu_to_le32(RX_TPA_START_CMP_FLAGS_RSS_VALID))
 296
 297#define TPA_START_HASH_TYPE(rx_tpa_start)                               \
 298        (((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &      \
 299           RX_TPA_START_CMP_RSS_HASH_TYPE) >>                           \
 300          RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT) & RSS_PROFILE_ID_MASK)
 301
 302#define TPA_START_AGG_ID(rx_tpa_start)                                  \
 303        ((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &       \
 304         RX_TPA_START_CMP_AGG_ID) >> RX_TPA_START_CMP_AGG_ID_SHIFT)
 305
 306struct rx_tpa_start_cmp_ext {
 307        __le32 rx_tpa_start_cmp_flags2;
 308        #define RX_TPA_START_CMP_FLAGS2_IP_CS_CALC              (0x1 << 0)
 309        #define RX_TPA_START_CMP_FLAGS2_L4_CS_CALC              (0x1 << 1)
 310        #define RX_TPA_START_CMP_FLAGS2_T_IP_CS_CALC            (0x1 << 2)
 311        #define RX_TPA_START_CMP_FLAGS2_T_L4_CS_CALC            (0x1 << 3)
 312        #define RX_TPA_START_CMP_FLAGS2_IP_TYPE                 (0x1 << 8)
 313
 314        __le32 rx_tpa_start_cmp_metadata;
 315        __le32 rx_tpa_start_cmp_cfa_code_v2;
 316        #define RX_TPA_START_CMP_V2                             (0x1 << 0)
 317        #define RX_TPA_START_CMP_CFA_CODE                       (0xffff << 16)
 318         #define RX_TPA_START_CMPL_CFA_CODE_SHIFT                16
 319        __le32 rx_tpa_start_cmp_hdr_info;
 320};
 321
 322#define TPA_START_CFA_CODE(rx_tpa_start)                                \
 323        ((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_cfa_code_v2) &   \
 324         RX_TPA_START_CMP_CFA_CODE) >> RX_TPA_START_CMPL_CFA_CODE_SHIFT)
 325
 326struct rx_tpa_end_cmp {
 327        __le32 rx_tpa_end_cmp_len_flags_type;
 328        #define RX_TPA_END_CMP_TYPE                             (0x3f << 0)
 329        #define RX_TPA_END_CMP_FLAGS                            (0x3ff << 6)
 330         #define RX_TPA_END_CMP_FLAGS_SHIFT                      6
 331        #define RX_TPA_END_CMP_FLAGS_PLACEMENT                  (0x7 << 7)
 332         #define RX_TPA_END_CMP_FLAGS_PLACEMENT_SHIFT            7
 333         #define RX_TPA_END_CMP_FLAGS_PLACEMENT_JUMBO            (0x1 << 7)
 334         #define RX_TPA_END_CMP_FLAGS_PLACEMENT_HDS              (0x2 << 7)
 335         #define RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_JUMBO        (0x5 << 7)
 336         #define RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_HDS          (0x6 << 7)
 337        #define RX_TPA_END_CMP_FLAGS_RSS_VALID                  (0x1 << 10)
 338        #define RX_TPA_END_CMP_FLAGS_ITYPES                     (0xf << 12)
 339         #define RX_TPA_END_CMP_FLAGS_ITYPES_SHIFT               12
 340         #define RX_TPA_END_CMP_FLAGS_ITYPE_TCP                  (0x2 << 12)
 341        #define RX_TPA_END_CMP_LEN                              (0xffff << 16)
 342         #define RX_TPA_END_CMP_LEN_SHIFT                        16
 343
 344        u32 rx_tpa_end_cmp_opaque;
 345        __le32 rx_tpa_end_cmp_misc_v1;
 346        #define RX_TPA_END_CMP_V1                               (0x1 << 0)
 347        #define RX_TPA_END_CMP_AGG_BUFS                         (0x3f << 1)
 348         #define RX_TPA_END_CMP_AGG_BUFS_SHIFT                   1
 349        #define RX_TPA_END_CMP_TPA_SEGS                         (0xff << 8)
 350         #define RX_TPA_END_CMP_TPA_SEGS_SHIFT                   8
 351        #define RX_TPA_END_CMP_PAYLOAD_OFFSET                   (0xff << 16)
 352         #define RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT             16
 353        #define RX_TPA_END_CMP_AGG_ID                           (0x7f << 25)
 354         #define RX_TPA_END_CMP_AGG_ID_SHIFT                     25
 355
 356        __le32 rx_tpa_end_cmp_tsdelta;
 357        #define RX_TPA_END_GRO_TS                               (0x1 << 31)
 358};
 359
 360#define TPA_END_AGG_ID(rx_tpa_end)                                      \
 361        ((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &           \
 362         RX_TPA_END_CMP_AGG_ID) >> RX_TPA_END_CMP_AGG_ID_SHIFT)
 363
 364#define TPA_END_TPA_SEGS(rx_tpa_end)                                    \
 365        ((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &           \
 366         RX_TPA_END_CMP_TPA_SEGS) >> RX_TPA_END_CMP_TPA_SEGS_SHIFT)
 367
 368#define RX_TPA_END_CMP_FLAGS_PLACEMENT_ANY_GRO                          \
 369        cpu_to_le32(RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_JUMBO &          \
 370                    RX_TPA_END_CMP_FLAGS_PLACEMENT_GRO_HDS)
 371
 372#define TPA_END_GRO(rx_tpa_end)                                         \
 373        ((rx_tpa_end)->rx_tpa_end_cmp_len_flags_type &                  \
 374         RX_TPA_END_CMP_FLAGS_PLACEMENT_ANY_GRO)
 375
 376#define TPA_END_GRO_TS(rx_tpa_end)                                      \
 377        (!!((rx_tpa_end)->rx_tpa_end_cmp_tsdelta &                      \
 378            cpu_to_le32(RX_TPA_END_GRO_TS)))
 379
 380struct rx_tpa_end_cmp_ext {
 381        __le32 rx_tpa_end_cmp_dup_acks;
 382        #define RX_TPA_END_CMP_TPA_DUP_ACKS                     (0xf << 0)
 383
 384        __le32 rx_tpa_end_cmp_seg_len;
 385        #define RX_TPA_END_CMP_TPA_SEG_LEN                      (0xffff << 0)
 386
 387        __le32 rx_tpa_end_cmp_errors_v2;
 388        #define RX_TPA_END_CMP_V2                               (0x1 << 0)
 389        #define RX_TPA_END_CMP_ERRORS                           (0x3 << 1)
 390        #define RX_TPA_END_CMPL_ERRORS_SHIFT                     1
 391
 392        u32 rx_tpa_end_cmp_start_opaque;
 393};
 394
 395#define TPA_END_ERRORS(rx_tpa_end_ext)                                  \
 396        ((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 &                   \
 397         cpu_to_le32(RX_TPA_END_CMP_ERRORS))
 398
 399#define DB_IDX_MASK                                             0xffffff
 400#define DB_IDX_VALID                                            (0x1 << 26)
 401#define DB_IRQ_DIS                                              (0x1 << 27)
 402#define DB_KEY_TX                                               (0x0 << 28)
 403#define DB_KEY_RX                                               (0x1 << 28)
 404#define DB_KEY_CP                                               (0x2 << 28)
 405#define DB_KEY_ST                                               (0x3 << 28)
 406#define DB_KEY_TX_PUSH                                          (0x4 << 28)
 407#define DB_LONG_TX_PUSH                                         (0x2 << 24)
 408
 409#define BNXT_MIN_ROCE_CP_RINGS  2
 410#define BNXT_MIN_ROCE_STAT_CTXS 1
 411
 412#define INVALID_HW_RING_ID      ((u16)-1)
 413
 414/* The hardware supports certain page sizes.  Use the supported page sizes
 415 * to allocate the rings.
 416 */
 417#if (PAGE_SHIFT < 12)
 418#define BNXT_PAGE_SHIFT 12
 419#elif (PAGE_SHIFT <= 13)
 420#define BNXT_PAGE_SHIFT PAGE_SHIFT
 421#elif (PAGE_SHIFT < 16)
 422#define BNXT_PAGE_SHIFT 13
 423#else
 424#define BNXT_PAGE_SHIFT 16
 425#endif
 426
 427#define BNXT_PAGE_SIZE  (1 << BNXT_PAGE_SHIFT)
 428
 429/* The RXBD length is 16-bit so we can only support page sizes < 64K */
 430#if (PAGE_SHIFT > 15)
 431#define BNXT_RX_PAGE_SHIFT 15
 432#else
 433#define BNXT_RX_PAGE_SHIFT PAGE_SHIFT
 434#endif
 435
 436#define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT)
 437
 438#define BNXT_MAX_MTU            9500
 439#define BNXT_MAX_PAGE_MODE_MTU  \
 440        ((unsigned int)PAGE_SIZE - VLAN_ETH_HLEN - NET_IP_ALIGN -       \
 441         XDP_PACKET_HEADROOM)
 442
 443#define BNXT_MIN_PKT_SIZE       52
 444
 445#define BNXT_DEFAULT_RX_RING_SIZE       511
 446#define BNXT_DEFAULT_TX_RING_SIZE       511
 447
 448#define MAX_TPA         64
 449
 450#if (BNXT_PAGE_SHIFT == 16)
 451#define MAX_RX_PAGES    1
 452#define MAX_RX_AGG_PAGES        4
 453#define MAX_TX_PAGES    1
 454#define MAX_CP_PAGES    8
 455#else
 456#define MAX_RX_PAGES    8
 457#define MAX_RX_AGG_PAGES        32
 458#define MAX_TX_PAGES    8
 459#define MAX_CP_PAGES    64
 460#endif
 461
 462#define RX_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct rx_bd))
 463#define TX_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct tx_bd))
 464#define CP_DESC_CNT (BNXT_PAGE_SIZE / sizeof(struct tx_cmp))
 465
 466#define SW_RXBD_RING_SIZE (sizeof(struct bnxt_sw_rx_bd) * RX_DESC_CNT)
 467#define HW_RXBD_RING_SIZE (sizeof(struct rx_bd) * RX_DESC_CNT)
 468
 469#define SW_RXBD_AGG_RING_SIZE (sizeof(struct bnxt_sw_rx_agg_bd) * RX_DESC_CNT)
 470
 471#define SW_TXBD_RING_SIZE (sizeof(struct bnxt_sw_tx_bd) * TX_DESC_CNT)
 472#define HW_TXBD_RING_SIZE (sizeof(struct tx_bd) * TX_DESC_CNT)
 473
 474#define HW_CMPD_RING_SIZE (sizeof(struct tx_cmp) * CP_DESC_CNT)
 475
 476#define BNXT_MAX_RX_DESC_CNT            (RX_DESC_CNT * MAX_RX_PAGES - 1)
 477#define BNXT_MAX_RX_JUM_DESC_CNT        (RX_DESC_CNT * MAX_RX_AGG_PAGES - 1)
 478#define BNXT_MAX_TX_DESC_CNT            (TX_DESC_CNT * MAX_TX_PAGES - 1)
 479
 480#define RX_RING(x)      (((x) & ~(RX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
 481#define RX_IDX(x)       ((x) & (RX_DESC_CNT - 1))
 482
 483#define TX_RING(x)      (((x) & ~(TX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
 484#define TX_IDX(x)       ((x) & (TX_DESC_CNT - 1))
 485
 486#define CP_RING(x)      (((x) & ~(CP_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
 487#define CP_IDX(x)       ((x) & (CP_DESC_CNT - 1))
 488
 489#define TX_CMP_VALID(txcmp, raw_cons)                                   \
 490        (!!((txcmp)->tx_cmp_errors_v & cpu_to_le32(TX_CMP_V)) ==        \
 491         !((raw_cons) & bp->cp_bit))
 492
 493#define RX_CMP_VALID(rxcmp1, raw_cons)                                  \
 494        (!!((rxcmp1)->rx_cmp_cfa_code_errors_v2 & cpu_to_le32(RX_CMP_V)) ==\
 495         !((raw_cons) & bp->cp_bit))
 496
 497#define RX_AGG_CMP_VALID(agg, raw_cons)                         \
 498        (!!((agg)->rx_agg_cmp_v & cpu_to_le32(RX_AGG_CMP_V)) == \
 499         !((raw_cons) & bp->cp_bit))
 500
 501#define TX_CMP_TYPE(txcmp)                                      \
 502        (le32_to_cpu((txcmp)->tx_cmp_flags_type) & CMP_TYPE)
 503
 504#define RX_CMP_TYPE(rxcmp)                                      \
 505        (le32_to_cpu((rxcmp)->rx_cmp_len_flags_type) & RX_CMP_CMP_TYPE)
 506
 507#define NEXT_RX(idx)            (((idx) + 1) & bp->rx_ring_mask)
 508
 509#define NEXT_RX_AGG(idx)        (((idx) + 1) & bp->rx_agg_ring_mask)
 510
 511#define NEXT_TX(idx)            (((idx) + 1) & bp->tx_ring_mask)
 512
 513#define ADV_RAW_CMP(idx, n)     ((idx) + (n))
 514#define NEXT_RAW_CMP(idx)       ADV_RAW_CMP(idx, 1)
 515#define RING_CMP(idx)           ((idx) & bp->cp_ring_mask)
 516#define NEXT_CMP(idx)           RING_CMP(ADV_RAW_CMP(idx, 1))
 517
 518#define BNXT_HWRM_MAX_REQ_LEN           (bp->hwrm_max_req_len)
 519#define BNXT_HWRM_SHORT_REQ_LEN         sizeof(struct hwrm_short_input)
 520#define DFLT_HWRM_CMD_TIMEOUT           500
 521#define HWRM_CMD_TIMEOUT                (bp->hwrm_cmd_timeout)
 522#define HWRM_RESET_TIMEOUT              ((HWRM_CMD_TIMEOUT) * 4)
 523#define HWRM_RESP_ERR_CODE_MASK         0xffff
 524#define HWRM_RESP_LEN_OFFSET            4
 525#define HWRM_RESP_LEN_MASK              0xffff0000
 526#define HWRM_RESP_LEN_SFT               16
 527#define HWRM_RESP_VALID_MASK            0xff000000
 528#define HWRM_SEQ_ID_INVALID             -1
 529#define BNXT_HWRM_REQ_MAX_SIZE          128
 530#define BNXT_HWRM_REQS_PER_PAGE         (BNXT_PAGE_SIZE /       \
 531                                         BNXT_HWRM_REQ_MAX_SIZE)
 532
 533#define BNXT_RX_EVENT   1
 534#define BNXT_AGG_EVENT  2
 535#define BNXT_TX_EVENT   4
 536
 537struct bnxt_sw_tx_bd {
 538        struct sk_buff          *skb;
 539        DEFINE_DMA_UNMAP_ADDR(mapping);
 540        u8                      is_gso;
 541        u8                      is_push;
 542        union {
 543                unsigned short          nr_frags;
 544                u16                     rx_prod;
 545        };
 546};
 547
 548struct bnxt_sw_rx_bd {
 549        void                    *data;
 550        u8                      *data_ptr;
 551        dma_addr_t              mapping;
 552};
 553
 554struct bnxt_sw_rx_agg_bd {
 555        struct page             *page;
 556        unsigned int            offset;
 557        dma_addr_t              mapping;
 558};
 559
 560struct bnxt_ring_struct {
 561        int                     nr_pages;
 562        int                     page_size;
 563        void                    **pg_arr;
 564        dma_addr_t              *dma_arr;
 565
 566        __le64                  *pg_tbl;
 567        dma_addr_t              pg_tbl_map;
 568
 569        int                     vmem_size;
 570        void                    **vmem;
 571
 572        u16                     fw_ring_id; /* Ring id filled by Chimp FW */
 573        u8                      queue_id;
 574};
 575
 576struct tx_push_bd {
 577        __le32                  doorbell;
 578        __le32                  tx_bd_len_flags_type;
 579        u32                     tx_bd_opaque;
 580        struct tx_bd_ext        txbd2;
 581};
 582
 583struct tx_push_buffer {
 584        struct tx_push_bd       push_bd;
 585        u32                     data[25];
 586};
 587
 588struct bnxt_tx_ring_info {
 589        struct bnxt_napi        *bnapi;
 590        u16                     tx_prod;
 591        u16                     tx_cons;
 592        u16                     txq_index;
 593        void __iomem            *tx_doorbell;
 594
 595        struct tx_bd            *tx_desc_ring[MAX_TX_PAGES];
 596        struct bnxt_sw_tx_bd    *tx_buf_ring;
 597
 598        dma_addr_t              tx_desc_mapping[MAX_TX_PAGES];
 599
 600        struct tx_push_buffer   *tx_push;
 601        dma_addr_t              tx_push_mapping;
 602        __le64                  data_mapping;
 603
 604#define BNXT_DEV_STATE_CLOSING  0x1
 605        u32                     dev_state;
 606
 607        struct bnxt_ring_struct tx_ring_struct;
 608};
 609
 610struct bnxt_tpa_info {
 611        void                    *data;
 612        u8                      *data_ptr;
 613        dma_addr_t              mapping;
 614        u16                     len;
 615        unsigned short          gso_type;
 616        u32                     flags2;
 617        u32                     metadata;
 618        enum pkt_hash_types     hash_type;
 619        u32                     rss_hash;
 620        u32                     hdr_info;
 621
 622#define BNXT_TPA_L4_SIZE(hdr_info)      \
 623        (((hdr_info) & 0xf8000000) ? ((hdr_info) >> 27) : 32)
 624
 625#define BNXT_TPA_INNER_L3_OFF(hdr_info) \
 626        (((hdr_info) >> 18) & 0x1ff)
 627
 628#define BNXT_TPA_INNER_L2_OFF(hdr_info) \
 629        (((hdr_info) >> 9) & 0x1ff)
 630
 631#define BNXT_TPA_OUTER_L3_OFF(hdr_info) \
 632        ((hdr_info) & 0x1ff)
 633
 634        u16                     cfa_code; /* cfa_code in TPA start compl */
 635};
 636
 637struct bnxt_rx_ring_info {
 638        struct bnxt_napi        *bnapi;
 639        u16                     rx_prod;
 640        u16                     rx_agg_prod;
 641        u16                     rx_sw_agg_prod;
 642        u16                     rx_next_cons;
 643        void __iomem            *rx_doorbell;
 644        void __iomem            *rx_agg_doorbell;
 645
 646        struct bpf_prog         *xdp_prog;
 647
 648        struct rx_bd            *rx_desc_ring[MAX_RX_PAGES];
 649        struct bnxt_sw_rx_bd    *rx_buf_ring;
 650
 651        struct rx_bd            *rx_agg_desc_ring[MAX_RX_AGG_PAGES];
 652        struct bnxt_sw_rx_agg_bd        *rx_agg_ring;
 653
 654        unsigned long           *rx_agg_bmap;
 655        u16                     rx_agg_bmap_size;
 656
 657        struct page             *rx_page;
 658        unsigned int            rx_page_offset;
 659
 660        dma_addr_t              rx_desc_mapping[MAX_RX_PAGES];
 661        dma_addr_t              rx_agg_desc_mapping[MAX_RX_AGG_PAGES];
 662
 663        struct bnxt_tpa_info    *rx_tpa;
 664
 665        struct bnxt_ring_struct rx_ring_struct;
 666        struct bnxt_ring_struct rx_agg_ring_struct;
 667};
 668
 669struct bnxt_cp_ring_info {
 670        u32                     cp_raw_cons;
 671        void __iomem            *cp_doorbell;
 672
 673        struct tx_cmp           *cp_desc_ring[MAX_CP_PAGES];
 674
 675        dma_addr_t              cp_desc_mapping[MAX_CP_PAGES];
 676
 677        struct ctx_hw_stats     *hw_stats;
 678        dma_addr_t              hw_stats_map;
 679        u32                     hw_stats_ctx_id;
 680        u64                     rx_l4_csum_errors;
 681
 682        struct bnxt_ring_struct cp_ring_struct;
 683};
 684
 685struct bnxt_napi {
 686        struct napi_struct      napi;
 687        struct bnxt             *bp;
 688
 689        int                     index;
 690        struct bnxt_cp_ring_info        cp_ring;
 691        struct bnxt_rx_ring_info        *rx_ring;
 692        struct bnxt_tx_ring_info        *tx_ring;
 693
 694        void                    (*tx_int)(struct bnxt *, struct bnxt_napi *,
 695                                          int);
 696        u32                     flags;
 697#define BNXT_NAPI_FLAG_XDP      0x1
 698
 699        bool                    in_reset;
 700};
 701
 702struct bnxt_irq {
 703        irq_handler_t   handler;
 704        unsigned int    vector;
 705        u8              requested:1;
 706        u8              have_cpumask:1;
 707        char            name[IFNAMSIZ + 2];
 708        cpumask_var_t   cpu_mask;
 709};
 710
 711#define HWRM_RING_ALLOC_TX      0x1
 712#define HWRM_RING_ALLOC_RX      0x2
 713#define HWRM_RING_ALLOC_AGG     0x4
 714#define HWRM_RING_ALLOC_CMPL    0x8
 715
 716#define INVALID_STATS_CTX_ID    -1
 717
 718struct bnxt_ring_grp_info {
 719        u16     fw_stats_ctx;
 720        u16     fw_grp_id;
 721        u16     rx_fw_ring_id;
 722        u16     agg_fw_ring_id;
 723        u16     cp_fw_ring_id;
 724};
 725
 726struct bnxt_vnic_info {
 727        u16             fw_vnic_id; /* returned by Chimp during alloc */
 728#define BNXT_MAX_CTX_PER_VNIC   2
 729        u16             fw_rss_cos_lb_ctx[BNXT_MAX_CTX_PER_VNIC];
 730        u16             fw_l2_ctx_id;
 731#define BNXT_MAX_UC_ADDRS       4
 732        __le64          fw_l2_filter_id[BNXT_MAX_UC_ADDRS];
 733                                /* index 0 always dev_addr */
 734        u16             uc_filter_count;
 735        u8              *uc_list;
 736
 737        u16             *fw_grp_ids;
 738        dma_addr_t      rss_table_dma_addr;
 739        __le16          *rss_table;
 740        dma_addr_t      rss_hash_key_dma_addr;
 741        u64             *rss_hash_key;
 742        u32             rx_mask;
 743
 744        u8              *mc_list;
 745        int             mc_list_size;
 746        int             mc_list_count;
 747        dma_addr_t      mc_list_mapping;
 748#define BNXT_MAX_MC_ADDRS       16
 749
 750        u32             flags;
 751#define BNXT_VNIC_RSS_FLAG      1
 752#define BNXT_VNIC_RFS_FLAG      2
 753#define BNXT_VNIC_MCAST_FLAG    4
 754#define BNXT_VNIC_UCAST_FLAG    8
 755#define BNXT_VNIC_RFS_NEW_RSS_FLAG      0x10
 756};
 757
 758#if defined(CONFIG_BNXT_SRIOV)
 759struct bnxt_vf_info {
 760        u16     fw_fid;
 761        u8      mac_addr[ETH_ALEN];
 762        u16     max_rsscos_ctxs;
 763        u16     max_cp_rings;
 764        u16     max_tx_rings;
 765        u16     max_rx_rings;
 766        u16     max_hw_ring_grps;
 767        u16     max_l2_ctxs;
 768        u16     max_irqs;
 769        u16     max_vnics;
 770        u16     max_stat_ctxs;
 771        u16     vlan;
 772        u32     flags;
 773#define BNXT_VF_QOS             0x1
 774#define BNXT_VF_SPOOFCHK        0x2
 775#define BNXT_VF_LINK_FORCED     0x4
 776#define BNXT_VF_LINK_UP         0x8
 777        u32     func_flags; /* func cfg flags */
 778        u32     min_tx_rate;
 779        u32     max_tx_rate;
 780        void    *hwrm_cmd_req_addr;
 781        dma_addr_t      hwrm_cmd_req_dma_addr;
 782};
 783#endif
 784
 785struct bnxt_pf_info {
 786#define BNXT_FIRST_PF_FID       1
 787#define BNXT_FIRST_VF_FID       128
 788        u16     fw_fid;
 789        u16     port_id;
 790        u8      mac_addr[ETH_ALEN];
 791        u16     max_rsscos_ctxs;
 792        u16     max_cp_rings;
 793        u16     max_tx_rings; /* HW assigned max tx rings for this PF */
 794        u16     max_rx_rings; /* HW assigned max rx rings for this PF */
 795        u16     max_hw_ring_grps;
 796        u16     max_irqs;
 797        u16     max_l2_ctxs;
 798        u16     max_vnics;
 799        u16     max_stat_ctxs;
 800        u32     first_vf_id;
 801        u16     active_vfs;
 802        u16     max_vfs;
 803        u32     max_encap_records;
 804        u32     max_decap_records;
 805        u32     max_tx_em_flows;
 806        u32     max_tx_wm_flows;
 807        u32     max_rx_em_flows;
 808        u32     max_rx_wm_flows;
 809        unsigned long   *vf_event_bmap;
 810        u16     hwrm_cmd_req_pages;
 811        void                    *hwrm_cmd_req_addr[4];
 812        dma_addr_t              hwrm_cmd_req_dma_addr[4];
 813        struct bnxt_vf_info     *vf;
 814};
 815
 816struct bnxt_ntuple_filter {
 817        struct hlist_node       hash;
 818        u8                      dst_mac_addr[ETH_ALEN];
 819        u8                      src_mac_addr[ETH_ALEN];
 820        struct flow_keys        fkeys;
 821        __le64                  filter_id;
 822        u16                     sw_id;
 823        u8                      l2_fltr_idx;
 824        u16                     rxq;
 825        u32                     flow_id;
 826        unsigned long           state;
 827#define BNXT_FLTR_VALID         0
 828#define BNXT_FLTR_UPDATE        1
 829};
 830
 831struct bnxt_link_info {
 832        u8                      phy_type;
 833        u8                      media_type;
 834        u8                      transceiver;
 835        u8                      phy_addr;
 836        u8                      phy_link_status;
 837#define BNXT_LINK_NO_LINK       PORT_PHY_QCFG_RESP_LINK_NO_LINK
 838#define BNXT_LINK_SIGNAL        PORT_PHY_QCFG_RESP_LINK_SIGNAL
 839#define BNXT_LINK_LINK          PORT_PHY_QCFG_RESP_LINK_LINK
 840        u8                      wire_speed;
 841        u8                      loop_back;
 842        u8                      link_up;
 843        u8                      duplex;
 844#define BNXT_LINK_DUPLEX_HALF   PORT_PHY_QCFG_RESP_DUPLEX_STATE_HALF
 845#define BNXT_LINK_DUPLEX_FULL   PORT_PHY_QCFG_RESP_DUPLEX_STATE_FULL
 846        u8                      pause;
 847#define BNXT_LINK_PAUSE_TX      PORT_PHY_QCFG_RESP_PAUSE_TX
 848#define BNXT_LINK_PAUSE_RX      PORT_PHY_QCFG_RESP_PAUSE_RX
 849#define BNXT_LINK_PAUSE_BOTH    (PORT_PHY_QCFG_RESP_PAUSE_RX | \
 850                                 PORT_PHY_QCFG_RESP_PAUSE_TX)
 851        u8                      lp_pause;
 852        u8                      auto_pause_setting;
 853        u8                      force_pause_setting;
 854        u8                      duplex_setting;
 855        u8                      auto_mode;
 856#define BNXT_AUTO_MODE(mode)    ((mode) > BNXT_LINK_AUTO_NONE && \
 857                                 (mode) <= BNXT_LINK_AUTO_MSK)
 858#define BNXT_LINK_AUTO_NONE     PORT_PHY_QCFG_RESP_AUTO_MODE_NONE
 859#define BNXT_LINK_AUTO_ALLSPDS  PORT_PHY_QCFG_RESP_AUTO_MODE_ALL_SPEEDS
 860#define BNXT_LINK_AUTO_ONESPD   PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_SPEED
 861#define BNXT_LINK_AUTO_ONEORBELOW PORT_PHY_QCFG_RESP_AUTO_MODE_ONE_OR_BELOW
 862#define BNXT_LINK_AUTO_MSK      PORT_PHY_QCFG_RESP_AUTO_MODE_SPEED_MASK
 863#define PHY_VER_LEN             3
 864        u8                      phy_ver[PHY_VER_LEN];
 865        u16                     link_speed;
 866#define BNXT_LINK_SPEED_100MB   PORT_PHY_QCFG_RESP_LINK_SPEED_100MB
 867#define BNXT_LINK_SPEED_1GB     PORT_PHY_QCFG_RESP_LINK_SPEED_1GB
 868#define BNXT_LINK_SPEED_2GB     PORT_PHY_QCFG_RESP_LINK_SPEED_2GB
 869#define BNXT_LINK_SPEED_2_5GB   PORT_PHY_QCFG_RESP_LINK_SPEED_2_5GB
 870#define BNXT_LINK_SPEED_10GB    PORT_PHY_QCFG_RESP_LINK_SPEED_10GB
 871#define BNXT_LINK_SPEED_20GB    PORT_PHY_QCFG_RESP_LINK_SPEED_20GB
 872#define BNXT_LINK_SPEED_25GB    PORT_PHY_QCFG_RESP_LINK_SPEED_25GB
 873#define BNXT_LINK_SPEED_40GB    PORT_PHY_QCFG_RESP_LINK_SPEED_40GB
 874#define BNXT_LINK_SPEED_50GB    PORT_PHY_QCFG_RESP_LINK_SPEED_50GB
 875#define BNXT_LINK_SPEED_100GB   PORT_PHY_QCFG_RESP_LINK_SPEED_100GB
 876        u16                     support_speeds;
 877        u16                     auto_link_speeds;       /* fw adv setting */
 878#define BNXT_LINK_SPEED_MSK_100MB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100MB
 879#define BNXT_LINK_SPEED_MSK_1GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_1GB
 880#define BNXT_LINK_SPEED_MSK_2GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2GB
 881#define BNXT_LINK_SPEED_MSK_10GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_10GB
 882#define BNXT_LINK_SPEED_MSK_2_5GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_2_5GB
 883#define BNXT_LINK_SPEED_MSK_20GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_20GB
 884#define BNXT_LINK_SPEED_MSK_25GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_25GB
 885#define BNXT_LINK_SPEED_MSK_40GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_40GB
 886#define BNXT_LINK_SPEED_MSK_50GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_50GB
 887#define BNXT_LINK_SPEED_MSK_100GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100GB
 888        u16                     support_auto_speeds;
 889        u16                     lp_auto_link_speeds;
 890        u16                     force_link_speed;
 891        u32                     preemphasis;
 892        u8                      module_status;
 893        u16                     fec_cfg;
 894#define BNXT_FEC_AUTONEG        PORT_PHY_QCFG_RESP_FEC_CFG_FEC_AUTONEG_ENABLED
 895#define BNXT_FEC_ENC_BASE_R     PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE74_ENABLED
 896#define BNXT_FEC_ENC_RS         PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE91_ENABLED
 897
 898        /* copy of requested setting from ethtool cmd */
 899        u8                      autoneg;
 900#define BNXT_AUTONEG_SPEED              1
 901#define BNXT_AUTONEG_FLOW_CTRL          2
 902        u8                      req_duplex;
 903        u8                      req_flow_ctrl;
 904        u16                     req_link_speed;
 905        u16                     advertising;    /* user adv setting */
 906        bool                    force_link_chng;
 907
 908        /* a copy of phy_qcfg output used to report link
 909         * info to VF
 910         */
 911        struct hwrm_port_phy_qcfg_output phy_qcfg_resp;
 912};
 913
 914#define BNXT_MAX_QUEUE  8
 915
 916struct bnxt_queue_info {
 917        u8      queue_id;
 918        u8      queue_profile;
 919};
 920
 921#define BNXT_MAX_LED                    4
 922
 923struct bnxt_led_info {
 924        u8      led_id;
 925        u8      led_type;
 926        u8      led_group_id;
 927        u8      unused;
 928        __le16  led_state_caps;
 929#define BNXT_LED_ALT_BLINK_CAP(x)       ((x) &  \
 930        cpu_to_le16(PORT_LED_QCAPS_RESP_LED0_STATE_CAPS_BLINK_ALT_SUPPORTED))
 931
 932        __le16  led_color_caps;
 933};
 934
 935#define BNXT_MAX_TEST   8
 936
 937struct bnxt_test_info {
 938        u8 offline_mask;
 939        u16 timeout;
 940        char string[BNXT_MAX_TEST][ETH_GSTRING_LEN];
 941};
 942
 943#define BNXT_GRCPF_REG_WINDOW_BASE_OUT  0x400
 944#define BNXT_CAG_REG_LEGACY_INT_STATUS  0x4014
 945#define BNXT_CAG_REG_BASE               0x300000
 946
 947struct bnxt_tc_info {
 948        bool                            enabled;
 949
 950        /* hash table to store TC offloaded flows */
 951        struct rhashtable               flow_table;
 952        struct rhashtable_params        flow_ht_params;
 953
 954        /* hash table to store L2 keys of TC flows */
 955        struct rhashtable               l2_table;
 956        struct rhashtable_params        l2_ht_params;
 957
 958        /* lock to atomically add/del an l2 node when a flow is
 959         * added or deleted.
 960         */
 961        struct mutex                    lock;
 962
 963        /* Stat counter mask (width) */
 964        u64                             bytes_mask;
 965        u64                             packets_mask;
 966};
 967
 968struct bnxt_vf_rep_stats {
 969        u64                     packets;
 970        u64                     bytes;
 971        u64                     dropped;
 972};
 973
 974struct bnxt_vf_rep {
 975        struct bnxt                     *bp;
 976        struct net_device               *dev;
 977        struct metadata_dst             *dst;
 978        u16                             vf_idx;
 979        u16                             tx_cfa_action;
 980        u16                             rx_cfa_code;
 981
 982        struct bnxt_vf_rep_stats        rx_stats;
 983        struct bnxt_vf_rep_stats        tx_stats;
 984};
 985
 986struct bnxt {
 987        void __iomem            *bar0;
 988        void __iomem            *bar1;
 989        void __iomem            *bar2;
 990
 991        u32                     reg_base;
 992        u16                     chip_num;
 993#define CHIP_NUM_57301          0x16c8
 994#define CHIP_NUM_57302          0x16c9
 995#define CHIP_NUM_57304          0x16ca
 996#define CHIP_NUM_58700          0x16cd
 997#define CHIP_NUM_57402          0x16d0
 998#define CHIP_NUM_57404          0x16d1
 999#define CHIP_NUM_57406          0x16d2
1000#define CHIP_NUM_57407          0x16d5
1001
1002#define CHIP_NUM_57311          0x16ce
1003#define CHIP_NUM_57312          0x16cf
1004#define CHIP_NUM_57314          0x16df
1005#define CHIP_NUM_57317          0x16e0
1006#define CHIP_NUM_57412          0x16d6
1007#define CHIP_NUM_57414          0x16d7
1008#define CHIP_NUM_57416          0x16d8
1009#define CHIP_NUM_57417          0x16d9
1010#define CHIP_NUM_57412L         0x16da
1011#define CHIP_NUM_57414L         0x16db
1012
1013#define CHIP_NUM_5745X          0xd730
1014
1015#define CHIP_NUM_58802          0xd802
1016#define CHIP_NUM_58808          0xd808
1017
1018#define BNXT_CHIP_NUM_5730X(chip_num)           \
1019        ((chip_num) >= CHIP_NUM_57301 &&        \
1020         (chip_num) <= CHIP_NUM_57304)
1021
1022#define BNXT_CHIP_NUM_5740X(chip_num)           \
1023        (((chip_num) >= CHIP_NUM_57402 &&       \
1024          (chip_num) <= CHIP_NUM_57406) ||      \
1025         (chip_num) == CHIP_NUM_57407)
1026
1027#define BNXT_CHIP_NUM_5731X(chip_num)           \
1028        ((chip_num) == CHIP_NUM_57311 ||        \
1029         (chip_num) == CHIP_NUM_57312 ||        \
1030         (chip_num) == CHIP_NUM_57314 ||        \
1031         (chip_num) == CHIP_NUM_57317)
1032
1033#define BNXT_CHIP_NUM_5741X(chip_num)           \
1034        ((chip_num) >= CHIP_NUM_57412 &&        \
1035         (chip_num) <= CHIP_NUM_57414L)
1036
1037#define BNXT_CHIP_NUM_58700(chip_num)           \
1038         ((chip_num) == CHIP_NUM_58700)
1039
1040#define BNXT_CHIP_NUM_5745X(chip_num)           \
1041         ((chip_num) == CHIP_NUM_5745X)
1042
1043#define BNXT_CHIP_NUM_57X0X(chip_num)           \
1044        (BNXT_CHIP_NUM_5730X(chip_num) || BNXT_CHIP_NUM_5740X(chip_num))
1045
1046#define BNXT_CHIP_NUM_57X1X(chip_num)           \
1047        (BNXT_CHIP_NUM_5731X(chip_num) || BNXT_CHIP_NUM_5741X(chip_num))
1048
1049#define BNXT_CHIP_NUM_588XX(chip_num)           \
1050        ((chip_num) == CHIP_NUM_58802 ||        \
1051         (chip_num) == CHIP_NUM_58808)
1052
1053        struct net_device       *dev;
1054        struct pci_dev          *pdev;
1055
1056        atomic_t                intr_sem;
1057
1058        u32                     flags;
1059        #define BNXT_FLAG_DCB_ENABLED   0x1
1060        #define BNXT_FLAG_VF            0x2
1061        #define BNXT_FLAG_LRO           0x4
1062#ifdef CONFIG_INET
1063        #define BNXT_FLAG_GRO           0x8
1064#else
1065        /* Cannot support hardware GRO if CONFIG_INET is not set */
1066        #define BNXT_FLAG_GRO           0x0
1067#endif
1068        #define BNXT_FLAG_TPA           (BNXT_FLAG_LRO | BNXT_FLAG_GRO)
1069        #define BNXT_FLAG_JUMBO         0x10
1070        #define BNXT_FLAG_STRIP_VLAN    0x20
1071        #define BNXT_FLAG_AGG_RINGS     (BNXT_FLAG_JUMBO | BNXT_FLAG_GRO | \
1072                                         BNXT_FLAG_LRO)
1073        #define BNXT_FLAG_USING_MSIX    0x40
1074        #define BNXT_FLAG_MSIX_CAP      0x80
1075        #define BNXT_FLAG_RFS           0x100
1076        #define BNXT_FLAG_SHARED_RINGS  0x200
1077        #define BNXT_FLAG_PORT_STATS    0x400
1078        #define BNXT_FLAG_UDP_RSS_CAP   0x800
1079        #define BNXT_FLAG_EEE_CAP       0x1000
1080        #define BNXT_FLAG_NEW_RSS_CAP   0x2000
1081        #define BNXT_FLAG_WOL_CAP       0x4000
1082        #define BNXT_FLAG_ROCEV1_CAP    0x8000
1083        #define BNXT_FLAG_ROCEV2_CAP    0x10000
1084        #define BNXT_FLAG_ROCE_CAP      (BNXT_FLAG_ROCEV1_CAP | \
1085                                         BNXT_FLAG_ROCEV2_CAP)
1086        #define BNXT_FLAG_NO_AGG_RINGS  0x20000
1087        #define BNXT_FLAG_RX_PAGE_MODE  0x40000
1088        #define BNXT_FLAG_FW_LLDP_AGENT 0x80000
1089        #define BNXT_FLAG_MULTI_HOST    0x100000
1090        #define BNXT_FLAG_SHORT_CMD     0x200000
1091        #define BNXT_FLAG_DOUBLE_DB     0x400000
1092        #define BNXT_FLAG_FW_DCBX_AGENT 0x800000
1093        #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
1094
1095        #define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA |             \
1096                                            BNXT_FLAG_RFS |             \
1097                                            BNXT_FLAG_STRIP_VLAN)
1098
1099#define BNXT_PF(bp)             (!((bp)->flags & BNXT_FLAG_VF))
1100#define BNXT_VF(bp)             ((bp)->flags & BNXT_FLAG_VF)
1101#define BNXT_NPAR(bp)           ((bp)->port_partition_type)
1102#define BNXT_MH(bp)             ((bp)->flags & BNXT_FLAG_MULTI_HOST)
1103#define BNXT_SINGLE_PF(bp)      (BNXT_PF(bp) && !BNXT_NPAR(bp) && !BNXT_MH(bp))
1104#define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0)
1105#define BNXT_RX_PAGE_MODE(bp)   ((bp)->flags & BNXT_FLAG_RX_PAGE_MODE)
1106
1107/* Chip class phase 4 and later */
1108#define BNXT_CHIP_P4_PLUS(bp)                   \
1109        (BNXT_CHIP_NUM_57X1X((bp)->chip_num) || \
1110         BNXT_CHIP_NUM_5745X((bp)->chip_num) || \
1111         BNXT_CHIP_NUM_588XX((bp)->chip_num) || \
1112         (BNXT_CHIP_NUM_58700((bp)->chip_num) &&        \
1113          !BNXT_CHIP_TYPE_NITRO_A0(bp)))
1114
1115        struct bnxt_en_dev      *edev;
1116        struct bnxt_en_dev *    (*ulp_probe)(struct net_device *);
1117
1118        struct bnxt_napi        **bnapi;
1119
1120        struct bnxt_rx_ring_info        *rx_ring;
1121        struct bnxt_tx_ring_info        *tx_ring;
1122        u16                     *tx_ring_map;
1123
1124        struct sk_buff *        (*gro_func)(struct bnxt_tpa_info *, int, int,
1125                                            struct sk_buff *);
1126
1127        struct sk_buff *        (*rx_skb_func)(struct bnxt *,
1128                                               struct bnxt_rx_ring_info *,
1129                                               u16, void *, u8 *, dma_addr_t,
1130                                               unsigned int);
1131
1132        u32                     rx_buf_size;
1133        u32                     rx_buf_use_size;        /* useable size */
1134        u16                     rx_offset;
1135        u16                     rx_dma_offset;
1136        enum dma_data_direction rx_dir;
1137        u32                     rx_ring_size;
1138        u32                     rx_agg_ring_size;
1139        u32                     rx_copy_thresh;
1140        u32                     rx_ring_mask;
1141        u32                     rx_agg_ring_mask;
1142        int                     rx_nr_pages;
1143        int                     rx_agg_nr_pages;
1144        int                     rx_nr_rings;
1145        int                     rsscos_nr_ctxs;
1146
1147        u32                     tx_ring_size;
1148        u32                     tx_ring_mask;
1149        int                     tx_nr_pages;
1150        int                     tx_nr_rings;
1151        int                     tx_nr_rings_per_tc;
1152        int                     tx_nr_rings_xdp;
1153        int                     tx_reserved_rings;
1154
1155        int                     tx_wake_thresh;
1156        int                     tx_push_thresh;
1157        int                     tx_push_size;
1158
1159        u32                     cp_ring_size;
1160        u32                     cp_ring_mask;
1161        u32                     cp_bit;
1162        int                     cp_nr_pages;
1163        int                     cp_nr_rings;
1164
1165        int                     num_stat_ctxs;
1166
1167        /* grp_info indexed by completion ring index */
1168        struct bnxt_ring_grp_info       *grp_info;
1169        struct bnxt_vnic_info   *vnic_info;
1170        int                     nr_vnics;
1171        u32                     rss_hash_cfg;
1172
1173        u8                      max_tc;
1174        u8                      max_lltc;       /* lossless TCs */
1175        struct bnxt_queue_info  q_info[BNXT_MAX_QUEUE];
1176
1177        unsigned int            current_interval;
1178#define BNXT_TIMER_INTERVAL     HZ
1179
1180        struct timer_list       timer;
1181
1182        unsigned long           state;
1183#define BNXT_STATE_OPEN         0
1184#define BNXT_STATE_IN_SP_TASK   1
1185#define BNXT_STATE_READ_STATS   2
1186
1187        struct bnxt_irq *irq_tbl;
1188        int                     total_irqs;
1189        u8                      mac_addr[ETH_ALEN];
1190
1191#ifdef CONFIG_BNXT_DCB
1192        struct ieee_pfc         *ieee_pfc;
1193        struct ieee_ets         *ieee_ets;
1194        u8                      dcbx_cap;
1195        u8                      default_pri;
1196#endif /* CONFIG_BNXT_DCB */
1197
1198        u32                     msg_enable;
1199
1200        u32                     hwrm_spec_code;
1201        u16                     hwrm_cmd_seq;
1202        u32                     hwrm_intr_seq_id;
1203        void                    *hwrm_short_cmd_req_addr;
1204        dma_addr_t              hwrm_short_cmd_req_dma_addr;
1205        void                    *hwrm_cmd_resp_addr;
1206        dma_addr_t              hwrm_cmd_resp_dma_addr;
1207        void                    *hwrm_dbg_resp_addr;
1208        dma_addr_t              hwrm_dbg_resp_dma_addr;
1209#define HWRM_DBG_REG_BUF_SIZE   128
1210
1211        struct rx_port_stats    *hw_rx_port_stats;
1212        struct tx_port_stats    *hw_tx_port_stats;
1213        dma_addr_t              hw_rx_port_stats_map;
1214        dma_addr_t              hw_tx_port_stats_map;
1215        int                     hw_port_stats_size;
1216
1217        u16                     hwrm_max_req_len;
1218        int                     hwrm_cmd_timeout;
1219        struct mutex            hwrm_cmd_lock;  /* serialize hwrm messages */
1220        struct hwrm_ver_get_output      ver_resp;
1221#define FW_VER_STR_LEN          32
1222#define BC_HWRM_STR_LEN         21
1223#define PHY_VER_STR_LEN         (FW_VER_STR_LEN - BC_HWRM_STR_LEN)
1224        char                    fw_ver_str[FW_VER_STR_LEN];
1225        __be16                  vxlan_port;
1226        u8                      vxlan_port_cnt;
1227        __le16                  vxlan_fw_dst_port_id;
1228        __be16                  nge_port;
1229        u8                      nge_port_cnt;
1230        __le16                  nge_fw_dst_port_id;
1231        u8                      port_partition_type;
1232        u8                      port_count;
1233        u16                     br_mode;
1234
1235        u16                     rx_coal_ticks;
1236        u16                     rx_coal_ticks_irq;
1237        u16                     rx_coal_bufs;
1238        u16                     rx_coal_bufs_irq;
1239        u16                     tx_coal_ticks;
1240        u16                     tx_coal_ticks_irq;
1241        u16                     tx_coal_bufs;
1242        u16                     tx_coal_bufs_irq;
1243
1244#define BNXT_USEC_TO_COAL_TIMER(x)      ((x) * 25 / 2)
1245
1246        u32                     stats_coal_ticks;
1247#define BNXT_DEF_STATS_COAL_TICKS        1000000
1248#define BNXT_MIN_STATS_COAL_TICKS         250000
1249#define BNXT_MAX_STATS_COAL_TICKS        1000000
1250
1251        struct work_struct      sp_task;
1252        unsigned long           sp_event;
1253#define BNXT_RX_MASK_SP_EVENT           0
1254#define BNXT_RX_NTP_FLTR_SP_EVENT       1
1255#define BNXT_LINK_CHNG_SP_EVENT         2
1256#define BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT 3
1257#define BNXT_VXLAN_ADD_PORT_SP_EVENT    4
1258#define BNXT_VXLAN_DEL_PORT_SP_EVENT    5
1259#define BNXT_RESET_TASK_SP_EVENT        6
1260#define BNXT_RST_RING_SP_EVENT          7
1261#define BNXT_HWRM_PF_UNLOAD_SP_EVENT    8
1262#define BNXT_PERIODIC_STATS_SP_EVENT    9
1263#define BNXT_HWRM_PORT_MODULE_SP_EVENT  10
1264#define BNXT_RESET_TASK_SILENT_SP_EVENT 11
1265#define BNXT_GENEVE_ADD_PORT_SP_EVENT   12
1266#define BNXT_GENEVE_DEL_PORT_SP_EVENT   13
1267#define BNXT_LINK_SPEED_CHNG_SP_EVENT   14
1268
1269        struct bnxt_pf_info     pf;
1270#ifdef CONFIG_BNXT_SRIOV
1271        int                     nr_vfs;
1272        struct bnxt_vf_info     vf;
1273        wait_queue_head_t       sriov_cfg_wait;
1274        bool                    sriov_cfg;
1275#define BNXT_SRIOV_CFG_WAIT_TMO msecs_to_jiffies(10000)
1276
1277        /* lock to protect VF-rep creation/cleanup via
1278         * multiple paths such as ->sriov_configure() and
1279         * devlink ->eswitch_mode_set()
1280         */
1281        struct mutex            sriov_lock;
1282#endif
1283
1284#define BNXT_NTP_FLTR_MAX_FLTR  4096
1285#define BNXT_NTP_FLTR_HASH_SIZE 512
1286#define BNXT_NTP_FLTR_HASH_MASK (BNXT_NTP_FLTR_HASH_SIZE - 1)
1287        struct hlist_head       ntp_fltr_hash_tbl[BNXT_NTP_FLTR_HASH_SIZE];
1288        spinlock_t              ntp_fltr_lock;  /* for hash table add, del */
1289
1290        unsigned long           *ntp_fltr_bmap;
1291        int                     ntp_fltr_count;
1292
1293        /* To protect link related settings during link changes and
1294         * ethtool settings changes.
1295         */
1296        struct mutex            link_lock;
1297        struct bnxt_link_info   link_info;
1298        struct ethtool_eee      eee;
1299        u32                     lpi_tmr_lo;
1300        u32                     lpi_tmr_hi;
1301
1302        u8                      num_tests;
1303        struct bnxt_test_info   *test_info;
1304
1305        u8                      wol_filter_id;
1306        u8                      wol;
1307
1308        u8                      num_leds;
1309        struct bnxt_led_info    leds[BNXT_MAX_LED];
1310
1311        struct bpf_prog         *xdp_prog;
1312
1313        /* devlink interface and vf-rep structs */
1314        struct devlink          *dl;
1315        enum devlink_eswitch_mode eswitch_mode;
1316        struct bnxt_vf_rep      **vf_reps; /* array of vf-rep ptrs */
1317        u16                     *cfa_code_map; /* cfa_code -> vf_idx map */
1318        struct bnxt_tc_info     tc_info;
1319};
1320
1321#define BNXT_RX_STATS_OFFSET(counter)                   \
1322        (offsetof(struct rx_port_stats, counter) / 8)
1323
1324#define BNXT_TX_STATS_OFFSET(counter)                   \
1325        ((offsetof(struct tx_port_stats, counter) +     \
1326          sizeof(struct rx_port_stats) + 512) / 8)
1327
1328#define I2C_DEV_ADDR_A0                         0xa0
1329#define I2C_DEV_ADDR_A2                         0xa2
1330#define SFP_EEPROM_SFF_8472_COMP_ADDR           0x5e
1331#define SFP_EEPROM_SFF_8472_COMP_SIZE           1
1332#define SFF_MODULE_ID_SFP                       0x3
1333#define SFF_MODULE_ID_QSFP                      0xc
1334#define SFF_MODULE_ID_QSFP_PLUS                 0xd
1335#define SFF_MODULE_ID_QSFP28                    0x11
1336#define BNXT_MAX_PHY_I2C_RESP_SIZE              64
1337
1338static inline u32 bnxt_tx_avail(struct bnxt *bp, struct bnxt_tx_ring_info *txr)
1339{
1340        /* Tell compiler to fetch tx indices from memory. */
1341        barrier();
1342
1343        return bp->tx_ring_size -
1344                ((txr->tx_prod - txr->tx_cons) & bp->tx_ring_mask);
1345}
1346
1347/* For TX and RX ring doorbells */
1348static inline void bnxt_db_write(struct bnxt *bp, void __iomem *db, u32 val)
1349{
1350        writel(val, db);
1351        if (bp->flags & BNXT_FLAG_DOUBLE_DB)
1352                writel(val, db);
1353}
1354
1355extern const u16 bnxt_lhint_arr[];
1356
1357int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
1358                       u16 prod, gfp_t gfp);
1359void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data);
1360void bnxt_set_tpa_flags(struct bnxt *bp);
1361void bnxt_set_ring_params(struct bnxt *);
1362int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode);
1363void bnxt_hwrm_cmd_hdr_init(struct bnxt *, void *, u16, u16, u16);
1364int _hwrm_send_message(struct bnxt *, void *, u32, int);
1365int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 len, int timeout);
1366int hwrm_send_message(struct bnxt *, void *, u32, int);
1367int hwrm_send_message_silent(struct bnxt *, void *, u32, int);
1368int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap,
1369                                     int bmap_size);
1370int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id);
1371int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings);
1372int bnxt_hwrm_set_coal(struct bnxt *);
1373unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp);
1374void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max);
1375unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
1376void bnxt_set_max_func_cp_rings(struct bnxt *bp, unsigned int max);
1377void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max);
1378void bnxt_tx_disable(struct bnxt *bp);
1379void bnxt_tx_enable(struct bnxt *bp);
1380int bnxt_hwrm_set_pause(struct bnxt *);
1381int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
1382int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp);
1383int bnxt_hwrm_free_wol_fltr(struct bnxt *bp);
1384int bnxt_hwrm_fw_set_time(struct bnxt *);
1385int bnxt_open_nic(struct bnxt *, bool, bool);
1386int bnxt_half_open_nic(struct bnxt *bp);
1387void bnxt_half_close_nic(struct bnxt *bp);
1388int bnxt_close_nic(struct bnxt *, bool, bool);
1389int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
1390                     int tx_xdp);
1391int bnxt_setup_mq_tc(struct net_device *dev, u8 tc);
1392int bnxt_get_max_rings(struct bnxt *, int *, int *, bool);
1393void bnxt_restore_pf_fw_resources(struct bnxt *bp);
1394int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr);
1395#endif
1396