drivers/net/ethernet/brocade/bna/bfi_enet.h

   1 /*
   2  * Linux network driver for Brocade Converged Network Adapter.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License (GPL) Version 2 as
   6  * published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  */
  13 /*
  14  * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
  15  * All rights reserved
  16  * www.brocade.com
  17  */
  18
  19 /* BNA Hardware and Firmware Interface */
  20
  21 /* Skipping statistics collection to avoid clutter.
  22  * Command is no longer needed:
  23  *      MTU
  24  *      TxQ Stop
  25  *      RxQ Stop
  26  *      RxF Enable/Disable
  27  *
  28  * HDS-off request is dynamic
  29  * keep structures as multiple of 32-bit fields for alignment.
  30  * All values must be written in big-endian.
  31  */
  32 #ifndef __BFI_ENET_H__
  33 #define __BFI_ENET_H__
  34
  35 #include "bfa_defs.h"
  36 #include "bfi.h"
  37
  38 #pragma pack(1)
  39
  40 #define BFI_ENET_CFG_MAX                32      /* Max resources per PF */
  41
  42 #define BFI_ENET_TXQ_PRIO_MAX           8
  43 #define BFI_ENET_RX_QSET_MAX            16
  44 #define BFI_ENET_TXQ_WI_VECT_MAX        4
  45
  46 #define BFI_ENET_VLAN_ID_MAX            4096
  47 #define BFI_ENET_VLAN_BLOCK_SIZE        512     /* in bits */
  48 #define BFI_ENET_VLAN_BLOCKS_MAX                                        \
  49         (BFI_ENET_VLAN_ID_MAX / BFI_ENET_VLAN_BLOCK_SIZE)
  50 #define BFI_ENET_VLAN_WORD_SIZE         32      /* in bits */
  51 #define BFI_ENET_VLAN_WORDS_MAX                                         \
  52         (BFI_ENET_VLAN_BLOCK_SIZE / BFI_ENET_VLAN_WORD_SIZE)
  53
  54 #define BFI_ENET_RSS_RIT_MAX            64      /* entries */
  55 #define BFI_ENET_RSS_KEY_LEN            10      /* 32-bit words */
  56
  57 union bfi_addr_be_u {
  58         struct {
  59                 u32     addr_hi;        /* Most Significant 32-bits */
  60                 u32     addr_lo;        /* Least Significant 32-Bits */
  61         } a32;
  62 };
  63
  64 /*      T X   Q U E U E   D E F I N E S      */
  65 /* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */
  66 /* TxQ Entry Opcodes */
  67 #define BFI_ENET_TXQ_WI_SEND            (0x402) /* Single Frame Transmission */
  68 #define BFI_ENET_TXQ_WI_SEND_LSO        (0x403) /* Multi-Frame Transmission */
  69 #define BFI_ENET_TXQ_WI_EXTENSION       (0x104) /* Extension WI */
  70
  71 /* TxQ Entry Control Flags */
  72 #define BFI_ENET_TXQ_WI_CF_FCOE_CRC     (1 << 8)
  73 #define BFI_ENET_TXQ_WI_CF_IPID_MODE    (1 << 5)
  74 #define BFI_ENET_TXQ_WI_CF_INS_PRIO     (1 << 4)
  75 #define BFI_ENET_TXQ_WI_CF_INS_VLAN     (1 << 3)
  76 #define BFI_ENET_TXQ_WI_CF_UDP_CKSUM    (1 << 2)
  77 #define BFI_ENET_TXQ_WI_CF_TCP_CKSUM    (1 << 1)
  78 #define BFI_ENET_TXQ_WI_CF_IP_CKSUM     (1 << 0)
  79
  80 struct bfi_enet_txq_wi_base {
  81         u8                      reserved;
  82         u8                      num_vectors;    /* number of vectors present */
  83         u16                     opcode;
  84                         /* BFI_ENET_TXQ_WI_SEND or BFI_ENET_TXQ_WI_SEND_LSO */
  85         u16                     flags;          /* OR of all the flags */
  86         u16                     l4_hdr_size_n_offset;
  87         u16                     vlan_tag;
  88         u16                     lso_mss;        /* Only 14 LSB are valid */
  89         u32                     frame_length;   /* Only 24 LSB are valid */
  90 };
  91
  92 struct bfi_enet_txq_wi_ext {
  93         u16                     reserved;
  94         u16                     opcode;         /* BFI_ENET_TXQ_WI_EXTENSION */
  95         u32                     reserved2[3];
  96 };
  97
  98 struct bfi_enet_txq_wi_vector {                 /* Tx Buffer Descriptor */
  99         u16                     reserved;
 100         u16                     length;         /* Only 14 LSB are valid */
 101         union bfi_addr_be_u     addr;
 102 };
 103
 104 /*  TxQ Entry Structure  */
 105 struct bfi_enet_txq_entry {
 106         union {
 107                 struct bfi_enet_txq_wi_base     base;
 108                 struct bfi_enet_txq_wi_ext      ext;
 109         } wi;
 110         struct bfi_enet_txq_wi_vector vector[BFI_ENET_TXQ_WI_VECT_MAX];
 111 };
 112
 113 #define wi_hdr          wi.base
 114 #define wi_ext_hdr      wi.ext
 115
 116 #define BFI_ENET_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \
 117                 (((_hdr_size) << 10) | ((_offset) & 0x3FF))
 118
 119 /*   R X   Q U E U E   D E F I N E S   */
 120 struct bfi_enet_rxq_entry {
 121         union bfi_addr_be_u  rx_buffer;
 122 };
 123
 124 /*   R X   C O M P L E T I O N   Q U E U E   D E F I N E S   */
 125 /* CQ Entry Flags */
 126 #define BFI_ENET_CQ_EF_MAC_ERROR        (1 <<  0)
 127 #define BFI_ENET_CQ_EF_FCS_ERROR        (1 <<  1)
 128 #define BFI_ENET_CQ_EF_TOO_LONG         (1 <<  2)
 129 #define BFI_ENET_CQ_EF_FC_CRC_OK        (1 <<  3)
 130
 131 #define BFI_ENET_CQ_EF_RSVD1            (1 <<  4)
 132 #define BFI_ENET_CQ_EF_L4_CKSUM_OK      (1 <<  5)
 133 #define BFI_ENET_CQ_EF_L3_CKSUM_OK      (1 <<  6)
 134 #define BFI_ENET_CQ_EF_HDS_HEADER       (1 <<  7)
 135
 136 #define BFI_ENET_CQ_EF_UDP              (1 <<  8)
 137 #define BFI_ENET_CQ_EF_TCP              (1 <<  9)
 138 #define BFI_ENET_CQ_EF_IP_OPTIONS       (1 << 10)
 139 #define BFI_ENET_CQ_EF_IPV6             (1 << 11)
 140
 141 #define BFI_ENET_CQ_EF_IPV4             (1 << 12)
 142 #define BFI_ENET_CQ_EF_VLAN             (1 << 13)
 143 #define BFI_ENET_CQ_EF_RSS              (1 << 14)
 144 #define BFI_ENET_CQ_EF_RSVD2            (1 << 15)
 145
 146 #define BFI_ENET_CQ_EF_MCAST_MATCH      (1 << 16)
 147 #define BFI_ENET_CQ_EF_MCAST            (1 << 17)
 148 #define BFI_ENET_CQ_EF_BCAST            (1 << 18)
 149 #define BFI_ENET_CQ_EF_REMOTE           (1 << 19)
 150
 151 #define BFI_ENET_CQ_EF_LOCAL            (1 << 20)
 152
 153 /* CQ Entry Structure */
 154 struct bfi_enet_cq_entry {
 155         u32 flags;
 156         u16     vlan_tag;
 157         u16     length;
 158         u32     rss_hash;
 159         u8      valid;
 160         u8      reserved1;
 161         u8      reserved2;
 162         u8      rxq_id;
 163 };
 164
 165 /*   E N E T   C O N T R O L   P A T H   C O M M A N D S   */
 166 struct bfi_enet_q {
 167         union bfi_addr_u        pg_tbl;
 168         union bfi_addr_u        first_entry;
 169         u16             pages;  /* # of pages */
 170         u16             page_sz;
 171 };
 172
 173 struct bfi_enet_txq {
 174         struct bfi_enet_q       q;
 175         u8                      priority;
 176         u8                      rsvd[3];
 177 };
 178
 179 struct bfi_enet_rxq {
 180         struct bfi_enet_q       q;
 181         u16             rx_buffer_size;
 182         u16             rsvd;
 183 };
 184
 185 struct bfi_enet_cq {
 186         struct bfi_enet_q       q;
 187 };
 188
 189 struct bfi_enet_ib_cfg {
 190         u8              int_pkt_dma;
 191         u8              int_enabled;
 192         u8              int_pkt_enabled;
 193         u8              continuous_coalescing;
 194         u8              msix;
 195         u8              rsvd[3];
 196         u32     coalescing_timeout;
 197         u32     inter_pkt_timeout;
 198         u8              inter_pkt_count;
 199         u8              rsvd1[3];
 200 };
 201
 202 struct bfi_enet_ib {
 203         union bfi_addr_u        index_addr;
 204         union {
 205                 u16     msix_index;
 206                 u16     intx_bitmask;
 207         } intr;
 208         u16             rsvd;
 209 };
 210
 211 /* ENET command messages */
 212 enum bfi_enet_h2i_msgs {
 213         /* Rx Commands */
 214         BFI_ENET_H2I_RX_CFG_SET_REQ = 1,
 215         BFI_ENET_H2I_RX_CFG_CLR_REQ = 2,
 216
 217         BFI_ENET_H2I_RIT_CFG_REQ = 3,
 218         BFI_ENET_H2I_RSS_CFG_REQ = 4,
 219         BFI_ENET_H2I_RSS_ENABLE_REQ = 5,
 220         BFI_ENET_H2I_RX_PROMISCUOUS_REQ = 6,
 221         BFI_ENET_H2I_RX_DEFAULT_REQ = 7,
 222
 223         BFI_ENET_H2I_MAC_UCAST_SET_REQ = 8,
 224         BFI_ENET_H2I_MAC_UCAST_CLR_REQ = 9,
 225         BFI_ENET_H2I_MAC_UCAST_ADD_REQ = 10,
 226         BFI_ENET_H2I_MAC_UCAST_DEL_REQ = 11,
 227
 228         BFI_ENET_H2I_MAC_MCAST_ADD_REQ = 12,
 229         BFI_ENET_H2I_MAC_MCAST_DEL_REQ = 13,
 230         BFI_ENET_H2I_MAC_MCAST_FILTER_REQ = 14,
 231
 232         BFI_ENET_H2I_RX_VLAN_SET_REQ = 15,
 233         BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ = 16,
 234
 235         /* Tx Commands */
 236         BFI_ENET_H2I_TX_CFG_SET_REQ = 17,
 237         BFI_ENET_H2I_TX_CFG_CLR_REQ = 18,
 238
 239         /* Port Commands */
 240         BFI_ENET_H2I_PORT_ADMIN_UP_REQ = 19,
 241         BFI_ENET_H2I_SET_PAUSE_REQ = 20,
 242         BFI_ENET_H2I_DIAG_LOOPBACK_REQ = 21,
 243
 244         /* Get Attributes Command */
 245         BFI_ENET_H2I_GET_ATTR_REQ = 22,
 246
 247         /*  Statistics Commands */
 248         BFI_ENET_H2I_STATS_GET_REQ = 23,
 249         BFI_ENET_H2I_STATS_CLR_REQ = 24,
 250
 251         BFI_ENET_H2I_WOL_MAGIC_REQ = 25,
 252         BFI_ENET_H2I_WOL_FRAME_REQ = 26,
 253
 254         BFI_ENET_H2I_MAX = 27,
 255 };
 256
 257 enum bfi_enet_i2h_msgs {
 258         /* Rx Responses */
 259         BFI_ENET_I2H_RX_CFG_SET_RSP =
 260                 BFA_I2HM(BFI_ENET_H2I_RX_CFG_SET_REQ),
 261         BFI_ENET_I2H_RX_CFG_CLR_RSP =
 262                 BFA_I2HM(BFI_ENET_H2I_RX_CFG_CLR_REQ),
 263
 264         BFI_ENET_I2H_RIT_CFG_RSP =
 265                 BFA_I2HM(BFI_ENET_H2I_RIT_CFG_REQ),
 266         BFI_ENET_I2H_RSS_CFG_RSP =
 267                 BFA_I2HM(BFI_ENET_H2I_RSS_CFG_REQ),
 268         BFI_ENET_I2H_RSS_ENABLE_RSP =
 269                 BFA_I2HM(BFI_ENET_H2I_RSS_ENABLE_REQ),
 270         BFI_ENET_I2H_RX_PROMISCUOUS_RSP =
 271                 BFA_I2HM(BFI_ENET_H2I_RX_PROMISCUOUS_REQ),
 272         BFI_ENET_I2H_RX_DEFAULT_RSP =
 273                 BFA_I2HM(BFI_ENET_H2I_RX_DEFAULT_REQ),
 274
 275         BFI_ENET_I2H_MAC_UCAST_SET_RSP =
 276                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_SET_REQ),
 277         BFI_ENET_I2H_MAC_UCAST_CLR_RSP =
 278                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_CLR_REQ),
 279         BFI_ENET_I2H_MAC_UCAST_ADD_RSP =
 280                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_ADD_REQ),
 281         BFI_ENET_I2H_MAC_UCAST_DEL_RSP =
 282                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_DEL_REQ),
 283
 284         BFI_ENET_I2H_MAC_MCAST_ADD_RSP =
 285                 BFA_I2HM(BFI_ENET_H2I_MAC_MCAST_ADD_REQ),
 286         BFI_ENET_I2H_MAC_MCAST_DEL_RSP =
 287                 BFA_I2HM(BFI_ENET_H2I_MAC_MCAST_DEL_REQ),
 288         BFI_ENET_I2H_MAC_MCAST_FILTER_RSP =
 289                 BFA_I2HM(BFI_ENET_H2I_MAC_MCAST_FILTER_REQ),
 290
 291         BFI_ENET_I2H_RX_VLAN_SET_RSP =
 292                 BFA_I2HM(BFI_ENET_H2I_RX_VLAN_SET_REQ),
 293
 294         BFI_ENET_I2H_RX_VLAN_STRIP_ENABLE_RSP =
 295                 BFA_I2HM(BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ),
 296
 297         /* Tx Responses */
 298         BFI_ENET_I2H_TX_CFG_SET_RSP =
 299                 BFA_I2HM(BFI_ENET_H2I_TX_CFG_SET_REQ),
 300         BFI_ENET_I2H_TX_CFG_CLR_RSP =
 301                 BFA_I2HM(BFI_ENET_H2I_TX_CFG_CLR_REQ),
 302
 303         /* Port Responses */
 304         BFI_ENET_I2H_PORT_ADMIN_RSP =
 305                 BFA_I2HM(BFI_ENET_H2I_PORT_ADMIN_UP_REQ),
 306
 307         BFI_ENET_I2H_SET_PAUSE_RSP =
 308                 BFA_I2HM(BFI_ENET_H2I_SET_PAUSE_REQ),
 309         BFI_ENET_I2H_DIAG_LOOPBACK_RSP =
 310                 BFA_I2HM(BFI_ENET_H2I_DIAG_LOOPBACK_REQ),
 311
 312         /*  Attributes Response */
 313         BFI_ENET_I2H_GET_ATTR_RSP =
 314                 BFA_I2HM(BFI_ENET_H2I_GET_ATTR_REQ),
 315
 316         /* Statistics Responses */
 317         BFI_ENET_I2H_STATS_GET_RSP =
 318                 BFA_I2HM(BFI_ENET_H2I_STATS_GET_REQ),
 319         BFI_ENET_I2H_STATS_CLR_RSP =
 320                 BFA_I2HM(BFI_ENET_H2I_STATS_CLR_REQ),
 321
 322         BFI_ENET_I2H_WOL_MAGIC_RSP =
 323                 BFA_I2HM(BFI_ENET_H2I_WOL_MAGIC_REQ),
 324         BFI_ENET_I2H_WOL_FRAME_RSP =
 325                 BFA_I2HM(BFI_ENET_H2I_WOL_FRAME_REQ),
 326
 327         /* AENs */
 328         BFI_ENET_I2H_LINK_DOWN_AEN = BFA_I2HM(BFI_ENET_H2I_MAX),
 329         BFI_ENET_I2H_LINK_UP_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 1),
 330
 331         BFI_ENET_I2H_PORT_ENABLE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 2),
 332         BFI_ENET_I2H_PORT_DISABLE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 3),
 333
 334         BFI_ENET_I2H_BW_UPDATE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 4),
 335 };
 336
 337 /* The following error codes can be returned by the enet commands */
 338 enum bfi_enet_err {
 339         BFI_ENET_CMD_OK         = 0,
 340         BFI_ENET_CMD_FAIL       = 1,
 341         BFI_ENET_CMD_DUP_ENTRY  = 2,    /* !< Duplicate entry in CAM */
 342         BFI_ENET_CMD_CAM_FULL   = 3,    /* !< CAM is full */
 343         BFI_ENET_CMD_NOT_OWNER  = 4,    /* !< Not permitted, b'cos not owner */
 344         BFI_ENET_CMD_NOT_EXEC   = 5,    /* !< Was not sent to f/w at all */
 345         BFI_ENET_CMD_WAITING    = 6,    /* !< Waiting for completion */
 346         BFI_ENET_CMD_PORT_DISABLED = 7, /* !< port in disabled state */
 347 };
 348
 349 /* Generic Request
 350  *
 351  * bfi_enet_req is used by:
 352  *      BFI_ENET_H2I_RX_CFG_CLR_REQ
 353  *      BFI_ENET_H2I_TX_CFG_CLR_REQ
 354  */
 355 struct bfi_enet_req {
 356         struct bfi_msgq_mhdr mh;
 357 };
 358
 359 /* Enable/Disable Request
 360  *
 361  * bfi_enet_enable_req is used by:
 362  *      BFI_ENET_H2I_RSS_ENABLE_REQ     (enet_id must be zero)
 363  *      BFI_ENET_H2I_RX_PROMISCUOUS_REQ (enet_id must be zero)
 364  *      BFI_ENET_H2I_RX_DEFAULT_REQ     (enet_id must be zero)
 365  *      BFI_ENET_H2I_RX_MAC_MCAST_FILTER_REQ
 366  *      BFI_ENET_H2I_PORT_ADMIN_UP_REQ  (enet_id must be zero)
 367  */
 368 struct bfi_enet_enable_req {
 369         struct          bfi_msgq_mhdr mh;
 370         u8              enable;         /* 1 = enable;  0 = disable */
 371         u8              rsvd[3];
 372 };
 373
 374 /* Generic Response */
 375 struct bfi_enet_rsp {
 376         struct bfi_msgq_mhdr mh;
 377         u8              error;          /*!< if error see cmd_offset */
 378         u8              rsvd;
 379         u16             cmd_offset;     /*!< offset to invalid parameter */
 380 };
 381
 382 /* GLOBAL CONFIGURATION */
 383
 384 /* bfi_enet_attr_req is used by:
 385  *      BFI_ENET_H2I_GET_ATTR_REQ
 386  */
 387 struct bfi_enet_attr_req {
 388         struct bfi_msgq_mhdr    mh;
 389 };
 390
 391 /* bfi_enet_attr_rsp is used by:
 392  *      BFI_ENET_I2H_GET_ATTR_RSP
 393  */
 394 struct bfi_enet_attr_rsp {
 395         struct bfi_msgq_mhdr mh;
 396         u8              error;          /*!< if error see cmd_offset */
 397         u8              rsvd;
 398         u16             cmd_offset;     /*!< offset to invalid parameter */
 399         u32             max_cfg;
 400         u32             max_ucmac;
 401         u32             rit_size;
 402 };
 403
 404 /* Tx Configuration
 405  *
 406  * bfi_enet_tx_cfg is used by:
 407  *      BFI_ENET_H2I_TX_CFG_SET_REQ
 408  */
 409 enum bfi_enet_tx_vlan_mode {
 410         BFI_ENET_TX_VLAN_NOP    = 0,
 411         BFI_ENET_TX_VLAN_INS    = 1,
 412         BFI_ENET_TX_VLAN_WI     = 2,
 413 };
 414
 415 struct bfi_enet_tx_cfg {
 416         u8              vlan_mode;      /*!< processing mode */
 417         u8              rsvd;
 418         u16             vlan_id;
 419         u8              admit_tagged_frame;
 420         u8              apply_vlan_filter;
 421         u8              add_to_vswitch;
 422         u8              rsvd1[1];
 423 };
 424
 425 struct bfi_enet_tx_cfg_req {
 426         struct bfi_msgq_mhdr mh;
 427         u8                      num_queues;     /* # of Tx Queues */
 428         u8                      rsvd[3];
 429
 430         struct {
 431                 struct bfi_enet_txq     q;
 432                 struct bfi_enet_ib      ib;
 433         } q_cfg[BFI_ENET_TXQ_PRIO_MAX];
 434
 435         struct bfi_enet_ib_cfg  ib_cfg;
 436
 437         struct bfi_enet_tx_cfg  tx_cfg;
 438 };
 439
 440 struct bfi_enet_tx_cfg_rsp {
 441         struct          bfi_msgq_mhdr mh;
 442         u8              error;
 443         u8              hw_id;          /* For debugging */
 444         u8              rsvd[2];
 445         struct {
 446                 u32     q_dbell;        /* PCI base address offset */
 447                 u32     i_dbell;        /* PCI base address offset */
 448                 u8      hw_qid;         /* For debugging */
 449                 u8      rsvd[3];
 450         } q_handles[BFI_ENET_TXQ_PRIO_MAX];
 451 };
 452
 453 /* Rx Configuration
 454  *
 455  * bfi_enet_rx_cfg is used by:
 456  *      BFI_ENET_H2I_RX_CFG_SET_REQ
 457  */
 458 enum bfi_enet_rxq_type {
 459         BFI_ENET_RXQ_SINGLE             = 1,
 460         BFI_ENET_RXQ_LARGE_SMALL        = 2,
 461         BFI_ENET_RXQ_HDS                = 3,
 462         BFI_ENET_RXQ_HDS_OPT_BASED      = 4,
 463 };
 464
 465 enum bfi_enet_hds_type {
 466         BFI_ENET_HDS_FORCED     = 0x01,
 467         BFI_ENET_HDS_IPV6_UDP   = 0x02,
 468         BFI_ENET_HDS_IPV6_TCP   = 0x04,
 469         BFI_ENET_HDS_IPV4_TCP   = 0x08,
 470         BFI_ENET_HDS_IPV4_UDP   = 0x10,
 471 };
 472
 473 struct bfi_enet_rx_cfg {
 474         u8              rxq_type;
 475         u8              rsvd[1];
 476         u16             frame_size;
 477
 478         struct {
 479                 u8                      max_header_size;
 480                 u8                      force_offset;
 481                 u8                      type;
 482                 u8                      rsvd1;
 483         } hds;
 484
 485         u8              multi_buffer;
 486         u8              strip_vlan;
 487         u8              drop_untagged;
 488         u8              rsvd2;
 489 };
 490
 491 /*
 492  * Multicast frames are received on the ql of q-set index zero.
 493  * On the completion queue.  RxQ ID = even is for large/data buffer queues
 494  * and RxQ ID = odd is for small/header buffer queues.
 495  */
 496 struct bfi_enet_rx_cfg_req {
 497         struct bfi_msgq_mhdr mh;
 498         u8                      num_queue_sets; /* # of Rx Queue Sets */
 499         u8                      rsvd[3];
 500
 501         struct {
 502                 struct bfi_enet_rxq     ql;     /* large/data/single buffers */
 503                 struct bfi_enet_rxq     qs;     /* small/header buffers */
 504                 struct bfi_enet_cq      cq;
 505                 struct bfi_enet_ib      ib;
 506         } q_cfg[BFI_ENET_RX_QSET_MAX];
 507
 508         struct bfi_enet_ib_cfg  ib_cfg;
 509
 510         struct bfi_enet_rx_cfg  rx_cfg;
 511 };
 512
 513 struct bfi_enet_rx_cfg_rsp {
 514         struct bfi_msgq_mhdr mh;
 515         u8              error;
 516         u8              hw_id;   /* For debugging */
 517         u8              rsvd[2];
 518         struct {
 519                 u32     ql_dbell; /* PCI base address offset */
 520                 u32     qs_dbell; /* PCI base address offset */
 521                 u32     i_dbell;  /* PCI base address offset */
 522                 u8              hw_lqid;  /* For debugging */
 523                 u8              hw_sqid;  /* For debugging */
 524                 u8              hw_cqid;  /* For debugging */
 525                 u8              rsvd;
 526         } q_handles[BFI_ENET_RX_QSET_MAX];
 527 };
 528
 529 /* RIT
 530  *
 531  * bfi_enet_rit_req is used by:
 532  *      BFI_ENET_H2I_RIT_CFG_REQ
 533  */
 534 struct bfi_enet_rit_req {
 535         struct  bfi_msgq_mhdr mh;
 536         u16     size;                   /* number of table-entries used */
 537         u8      rsvd[2];
 538         u8      table[BFI_ENET_RSS_RIT_MAX];
 539 };
 540
 541 /* RSS
 542  *
 543  * bfi_enet_rss_cfg_req is used by:
 544  *      BFI_ENET_H2I_RSS_CFG_REQ
 545  */
 546 enum bfi_enet_rss_type {
 547         BFI_ENET_RSS_IPV6       = 0x01,
 548         BFI_ENET_RSS_IPV6_TCP   = 0x02,
 549         BFI_ENET_RSS_IPV4       = 0x04,
 550         BFI_ENET_RSS_IPV4_TCP   = 0x08
 551 };
 552
 553 struct bfi_enet_rss_cfg {
 554         u8      type;
 555         u8      mask;
 556         u8      rsvd[2];
 557         u32     key[BFI_ENET_RSS_KEY_LEN];
 558 };
 559
 560 struct bfi_enet_rss_cfg_req {
 561         struct bfi_msgq_mhdr    mh;
 562         struct bfi_enet_rss_cfg cfg;
 563 };
 564
 565 /* MAC Unicast
 566  *
 567  * bfi_enet_rx_vlan_req is used by:
 568  *      BFI_ENET_H2I_MAC_UCAST_SET_REQ
 569  *      BFI_ENET_H2I_MAC_UCAST_CLR_REQ
 570  *      BFI_ENET_H2I_MAC_UCAST_ADD_REQ
 571  *      BFI_ENET_H2I_MAC_UCAST_DEL_REQ
 572  */
 573 struct bfi_enet_ucast_req {
 574         struct bfi_msgq_mhdr    mh;
 575         mac_t                   mac_addr;
 576         u8                      rsvd[2];
 577 };
 578
 579 /* MAC Unicast + VLAN */
 580 struct bfi_enet_mac_n_vlan_req {
 581         struct bfi_msgq_mhdr    mh;
 582         u16                     vlan_id;
 583         mac_t                   mac_addr;
 584 };
 585
 586 /* MAC Multicast
 587  *
 588  * bfi_enet_mac_mfilter_add_req is used by:
 589  *      BFI_ENET_H2I_MAC_MCAST_ADD_REQ
 590  */
 591 struct bfi_enet_mcast_add_req {
 592         struct bfi_msgq_mhdr    mh;
 593         mac_t                   mac_addr;
 594         u8                      rsvd[2];
 595 };
 596
 597 /* bfi_enet_mac_mfilter_add_rsp is used by:
 598  *      BFI_ENET_I2H_MAC_MCAST_ADD_RSP
 599  */
 600 struct bfi_enet_mcast_add_rsp {
 601         struct bfi_msgq_mhdr    mh;
 602         u8                      error;
 603         u8                      rsvd;
 604         u16                     cmd_offset;
 605         u16                     handle;
 606         u8                      rsvd1[2];
 607 };
 608
 609 /* bfi_enet_mac_mfilter_del_req is used by:
 610  *      BFI_ENET_H2I_MAC_MCAST_DEL_REQ
 611  */
 612 struct bfi_enet_mcast_del_req {
 613         struct bfi_msgq_mhdr    mh;
 614         u16                     handle;
 615         u8                      rsvd[2];
 616 };
 617
 618 /* VLAN
 619  *
 620  * bfi_enet_rx_vlan_req is used by:
 621  *      BFI_ENET_H2I_RX_VLAN_SET_REQ
 622  */
 623 struct bfi_enet_rx_vlan_req {
 624         struct bfi_msgq_mhdr    mh;
 625         u8                      block_idx;
 626         u8                      rsvd[3];
 627         u32                     bit_mask[BFI_ENET_VLAN_WORDS_MAX];
 628 };
 629
 630 /* PAUSE
 631  *
 632  * bfi_enet_set_pause_req is used by:
 633  *      BFI_ENET_H2I_SET_PAUSE_REQ
 634  */
 635 struct bfi_enet_set_pause_req {
 636         struct bfi_msgq_mhdr    mh;
 637         u8                      rsvd[2];
 638         u8                      tx_pause;       /* 1 = enable;  0 = disable */
 639         u8                      rx_pause;       /* 1 = enable;  0 = disable */
 640 };
 641
 642 /* DIAGNOSTICS
 643  *
 644  * bfi_enet_diag_lb_req is used by:
 645  *      BFI_ENET_H2I_DIAG_LOOPBACK
 646  */
 647 struct bfi_enet_diag_lb_req {
 648         struct bfi_msgq_mhdr    mh;
 649         u8                      rsvd[2];
 650         u8                      mode;           /* cable or Serdes */
 651         u8                      enable;         /* 1 = enable;  0 = disable */
 652 };
 653
 654 /* enum for Loopback opmodes */
 655 enum {
 656         BFI_ENET_DIAG_LB_OPMODE_EXT = 0,
 657         BFI_ENET_DIAG_LB_OPMODE_CBL = 1,
 658 };
 659
 660 /* STATISTICS
 661  *
 662  * bfi_enet_stats_req is used by:
 663  *    BFI_ENET_H2I_STATS_GET_REQ
 664  *    BFI_ENET_I2H_STATS_CLR_REQ
 665  */
 666 struct bfi_enet_stats_req {
 667         struct bfi_msgq_mhdr    mh;
 668         u16                     stats_mask;
 669         u8                      rsvd[2];
 670         u32                     rx_enet_mask;
 671         u32                     tx_enet_mask;
 672         union bfi_addr_u        host_buffer;
 673 };
 674
 675 /* defines for "stats_mask" above. */
 676 #define BFI_ENET_STATS_MAC    (1 << 0)    /* !< MAC Statistics */
 677 #define BFI_ENET_STATS_BPC    (1 << 1)    /* !< Pause Stats from BPC */
 678 #define BFI_ENET_STATS_RAD    (1 << 2)    /* !< Rx Admission Statistics */
 679 #define BFI_ENET_STATS_RX_FC  (1 << 3)    /* !< Rx FC Stats from RxA */
 680 #define BFI_ENET_STATS_TX_FC  (1 << 4)    /* !< Tx FC Stats from TxA */
 681
 682 #define BFI_ENET_STATS_ALL    0x1f
 683
 684 /* TxF Frame Statistics */
 685 struct bfi_enet_stats_txf {
 686         u64 ucast_octets;
 687         u64 ucast;
 688         u64 ucast_vlan;
 689
 690         u64 mcast_octets;
 691         u64 mcast;
 692         u64 mcast_vlan;
 693
 694         u64 bcast_octets;
 695         u64 bcast;
 696         u64 bcast_vlan;
 697
 698         u64 errors;
 699         u64 filter_vlan;      /* frames filtered due to VLAN */
 700         u64 filter_mac_sa;    /* frames filtered due to SA check */
 701 };
 702
 703 /* RxF Frame Statistics */
 704 struct bfi_enet_stats_rxf {
 705         u64 ucast_octets;
 706         u64 ucast;
 707         u64 ucast_vlan;
 708
 709         u64 mcast_octets;
 710         u64 mcast;
 711         u64 mcast_vlan;
 712
 713         u64 bcast_octets;
 714         u64 bcast;
 715         u64 bcast_vlan;
 716         u64 frame_drops;
 717 };
 718
 719 /* FC Tx Frame Statistics */
 720 struct bfi_enet_stats_fc_tx {
 721         u64 txf_ucast_octets;
 722         u64 txf_ucast;
 723         u64 txf_ucast_vlan;
 724
 725         u64 txf_mcast_octets;
 726         u64 txf_mcast;
 727         u64 txf_mcast_vlan;
 728
 729         u64 txf_bcast_octets;
 730         u64 txf_bcast;
 731         u64 txf_bcast_vlan;
 732
 733         u64 txf_parity_errors;
 734         u64 txf_timeout;
 735         u64 txf_fid_parity_errors;
 736 };
 737
 738 /* FC Rx Frame Statistics */
 739 struct bfi_enet_stats_fc_rx {
 740         u64 rxf_ucast_octets;
 741         u64 rxf_ucast;
 742         u64 rxf_ucast_vlan;
 743
 744         u64 rxf_mcast_octets;
 745         u64 rxf_mcast;
 746         u64 rxf_mcast_vlan;
 747
 748         u64 rxf_bcast_octets;
 749         u64 rxf_bcast;
 750         u64 rxf_bcast_vlan;
 751 };
 752
 753 /* RAD Frame Statistics */
 754 struct bfi_enet_stats_rad {
 755         u64 rx_frames;
 756         u64 rx_octets;
 757         u64 rx_vlan_frames;
 758
 759         u64 rx_ucast;
 760         u64 rx_ucast_octets;
 761         u64 rx_ucast_vlan;
 762
 763         u64 rx_mcast;
 764         u64 rx_mcast_octets;
 765         u64 rx_mcast_vlan;
 766
 767         u64 rx_bcast;
 768         u64 rx_bcast_octets;
 769         u64 rx_bcast_vlan;
 770
 771         u64 rx_drops;
 772 };
 773
 774 /* BPC Tx Registers */
 775 struct bfi_enet_stats_bpc {
 776         /* transmit stats */
 777         u64 tx_pause[8];
 778         u64 tx_zero_pause[8];   /*!< Pause cancellation */
 779         /*!<Pause initiation rather than retention */
 780         u64 tx_first_pause[8];
 781
 782         /* receive stats */
 783         u64 rx_pause[8];
 784         u64 rx_zero_pause[8];   /*!< Pause cancellation */
 785         /*!<Pause initiation rather than retention */
 786         u64 rx_first_pause[8];
 787 };
 788
 789 /* MAC Rx Statistics */
 790 struct bfi_enet_stats_mac {
 791         u64 stats_clr_cnt;      /* times this stats cleared */
 792         u64 frame_64;           /* both rx and tx counter */
 793         u64 frame_65_127;               /* both rx and tx counter */
 794         u64 frame_128_255;              /* both rx and tx counter */
 795         u64 frame_256_511;              /* both rx and tx counter */
 796         u64 frame_512_1023;     /* both rx and tx counter */
 797         u64 frame_1024_1518;    /* both rx and tx counter */
 798         u64 frame_1519_1522;    /* both rx and tx counter */
 799
 800         /* receive stats */
 801         u64 rx_bytes;
 802         u64 rx_packets;
 803         u64 rx_fcs_error;
 804         u64 rx_multicast;
 805         u64 rx_broadcast;
 806         u64 rx_control_frames;
 807         u64 rx_pause;
 808         u64 rx_unknown_opcode;
 809         u64 rx_alignment_error;
 810         u64 rx_frame_length_error;
 811         u64 rx_code_error;
 812         u64 rx_carrier_sense_error;
 813         u64 rx_undersize;
 814         u64 rx_oversize;
 815         u64 rx_fragments;
 816         u64 rx_jabber;
 817         u64 rx_drop;
 818
 819         /* transmit stats */
 820         u64 tx_bytes;
 821         u64 tx_packets;
 822         u64 tx_multicast;
 823         u64 tx_broadcast;
 824         u64 tx_pause;
 825         u64 tx_deferral;
 826         u64 tx_excessive_deferral;
 827         u64 tx_single_collision;
 828         u64 tx_muliple_collision;
 829         u64 tx_late_collision;
 830         u64 tx_excessive_collision;
 831         u64 tx_total_collision;
 832         u64 tx_pause_honored;
 833         u64 tx_drop;
 834         u64 tx_jabber;
 835         u64 tx_fcs_error;
 836         u64 tx_control_frame;
 837         u64 tx_oversize;
 838         u64 tx_undersize;
 839         u64 tx_fragments;
 840 };
 841
 842 /* Complete statistics, DMAed from fw to host followed by
 843  * BFI_ENET_I2H_STATS_GET_RSP
 844  */
 845 struct bfi_enet_stats {
 846         struct bfi_enet_stats_mac       mac_stats;
 847         struct bfi_enet_stats_bpc       bpc_stats;
 848         struct bfi_enet_stats_rad       rad_stats;
 849         struct bfi_enet_stats_rad       rlb_stats;
 850         struct bfi_enet_stats_fc_rx     fc_rx_stats;
 851         struct bfi_enet_stats_fc_tx     fc_tx_stats;
 852         struct bfi_enet_stats_rxf       rxf_stats[BFI_ENET_CFG_MAX];
 853         struct bfi_enet_stats_txf       txf_stats[BFI_ENET_CFG_MAX];
 854 };
 855
 856 #pragma pack()
 857
 858 #endif  /* __BFI_ENET_H__ */