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

   1 /*
   2  * Linux network driver for QLogic BR-series 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) 2005-2014 Brocade Communications Systems, Inc.
  15  * Copyright (c) 2014-2015 QLogic Corporation
  16  * All rights reserved
  17  * www.qlogic.com
  18  */
  19
  20 /* BNA Hardware and Firmware Interface */
  21
  22 /* Skipping statistics collection to avoid clutter.
  23  * Command is no longer needed:
  24  *      MTU
  25  *      TxQ Stop
  26  *      RxQ Stop
  27  *      RxF Enable/Disable
  28  *
  29  * HDS-off request is dynamic
  30  * keep structures as multiple of 32-bit fields for alignment.
  31  * All values must be written in big-endian.
  32  */
  33 #ifndef __BFI_ENET_H__
  34 #define __BFI_ENET_H__
  35
  36 #include "bfa_defs.h"
  37 #include "bfi.h"
  38
  39 #define BFI_ENET_CFG_MAX                32      /* Max resources per PF */
  40
  41 #define BFI_ENET_TXQ_PRIO_MAX           8
  42 #define BFI_ENET_RX_QSET_MAX            16
  43 #define BFI_ENET_TXQ_WI_VECT_MAX        4
  44
  45 #define BFI_ENET_VLAN_ID_MAX            4096
  46 #define BFI_ENET_VLAN_BLOCK_SIZE        512     /* in bits */
  47 #define BFI_ENET_VLAN_BLOCKS_MAX                                        \
  48         (BFI_ENET_VLAN_ID_MAX / BFI_ENET_VLAN_BLOCK_SIZE)
  49 #define BFI_ENET_VLAN_WORD_SIZE         32      /* in bits */
  50 #define BFI_ENET_VLAN_WORDS_MAX                                         \
  51         (BFI_ENET_VLAN_BLOCK_SIZE / BFI_ENET_VLAN_WORD_SIZE)
  52
  53 #define BFI_ENET_RSS_RIT_MAX            64      /* entries */
  54 #define BFI_ENET_RSS_KEY_LEN            10      /* 32-bit words */
  55
  56 union bfi_addr_be_u {
  57         struct {
  58                 u32     addr_hi;        /* Most Significant 32-bits */
  59                 u32     addr_lo;        /* Least Significant 32-Bits */
  60         } __packed a32;
  61 } __packed;
  62
  63 /*      T X   Q U E U E   D E F I N E S      */
  64 /* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */
  65 /* TxQ Entry Opcodes */
  66 #define BFI_ENET_TXQ_WI_SEND            (0x402) /* Single Frame Transmission */
  67 #define BFI_ENET_TXQ_WI_SEND_LSO        (0x403) /* Multi-Frame Transmission */
  68 #define BFI_ENET_TXQ_WI_EXTENSION       (0x104) /* Extension WI */
  69
  70 /* TxQ Entry Control Flags */
  71 #define BFI_ENET_TXQ_WI_CF_FCOE_CRC     BIT(8)
  72 #define BFI_ENET_TXQ_WI_CF_IPID_MODE    BIT(5)
  73 #define BFI_ENET_TXQ_WI_CF_INS_PRIO     BIT(4)
  74 #define BFI_ENET_TXQ_WI_CF_INS_VLAN     BIT(3)
  75 #define BFI_ENET_TXQ_WI_CF_UDP_CKSUM    BIT(2)
  76 #define BFI_ENET_TXQ_WI_CF_TCP_CKSUM    BIT(1)
  77 #define BFI_ENET_TXQ_WI_CF_IP_CKSUM     BIT(0)
  78
  79 struct bfi_enet_txq_wi_base {
  80         u8                      reserved;
  81         u8                      num_vectors;    /* number of vectors present */
  82         u16                     opcode;
  83                         /* BFI_ENET_TXQ_WI_SEND or BFI_ENET_TXQ_WI_SEND_LSO */
  84         u16                     flags;          /* OR of all the flags */
  85         u16                     l4_hdr_size_n_offset;
  86         u16                     vlan_tag;
  87         u16                     lso_mss;        /* Only 14 LSB are valid */
  88         u32                     frame_length;   /* Only 24 LSB are valid */
  89 } __packed;
  90
  91 struct bfi_enet_txq_wi_ext {
  92         u16                     reserved;
  93         u16                     opcode;         /* BFI_ENET_TXQ_WI_EXTENSION */
  94         u32                     reserved2[3];
  95 } __packed;
  96
  97 struct bfi_enet_txq_wi_vector {                 /* Tx Buffer Descriptor */
  98         u16                     reserved;
  99         u16                     length;         /* Only 14 LSB are valid */
 100         union bfi_addr_be_u     addr;
 101 } __packed;
 102
 103 /*  TxQ Entry Structure  */
 104 struct bfi_enet_txq_entry {
 105         union {
 106                 struct bfi_enet_txq_wi_base     base;
 107                 struct bfi_enet_txq_wi_ext      ext;
 108         } __packed wi;
 109         struct bfi_enet_txq_wi_vector vector[BFI_ENET_TXQ_WI_VECT_MAX];
 110 } __packed;
 111
 112 #define wi_hdr          wi.base
 113 #define wi_ext_hdr      wi.ext
 114
 115 #define BFI_ENET_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \
 116                 (((_hdr_size) << 10) | ((_offset) & 0x3FF))
 117
 118 /*   R X   Q U E U E   D E F I N E S   */
 119 struct bfi_enet_rxq_entry {
 120         union bfi_addr_be_u  rx_buffer;
 121 } __packed;
 122
 123 /*   R X   C O M P L E T I O N   Q U E U E   D E F I N E S   */
 124 /* CQ Entry Flags */
 125 #define BFI_ENET_CQ_EF_MAC_ERROR        BIT(0)
 126 #define BFI_ENET_CQ_EF_FCS_ERROR        BIT(1)
 127 #define BFI_ENET_CQ_EF_TOO_LONG         BIT(2)
 128 #define BFI_ENET_CQ_EF_FC_CRC_OK        BIT(3)
 129
 130 #define BFI_ENET_CQ_EF_RSVD1            BIT(4)
 131 #define BFI_ENET_CQ_EF_L4_CKSUM_OK      BIT(5)
 132 #define BFI_ENET_CQ_EF_L3_CKSUM_OK      BIT(6)
 133 #define BFI_ENET_CQ_EF_HDS_HEADER       BIT(7)
 134
 135 #define BFI_ENET_CQ_EF_UDP              BIT(8)
 136 #define BFI_ENET_CQ_EF_TCP              BIT(9)
 137 #define BFI_ENET_CQ_EF_IP_OPTIONS       BIT(10)
 138 #define BFI_ENET_CQ_EF_IPV6             BIT(11)
 139
 140 #define BFI_ENET_CQ_EF_IPV4             BIT(12)
 141 #define BFI_ENET_CQ_EF_VLAN             BIT(13)
 142 #define BFI_ENET_CQ_EF_RSS              BIT(14)
 143 #define BFI_ENET_CQ_EF_RSVD2            BIT(15)
 144
 145 #define BFI_ENET_CQ_EF_MCAST_MATCH      BIT(16)
 146 #define BFI_ENET_CQ_EF_MCAST            BIT(17)
 147 #define BFI_ENET_CQ_EF_BCAST            BIT(18)
 148 #define BFI_ENET_CQ_EF_REMOTE           BIT(19)
 149
 150 #define BFI_ENET_CQ_EF_LOCAL            BIT(20)
 151
 152 /* CQ Entry Structure */
 153 struct bfi_enet_cq_entry {
 154         u32 flags;
 155         u16     vlan_tag;
 156         u16     length;
 157         u32     rss_hash;
 158         u8      valid;
 159         u8      reserved1;
 160         u8      reserved2;
 161         u8      rxq_id;
 162 } __packed;
 163
 164 /*   E N E T   C O N T R O L   P A T H   C O M M A N D S   */
 165 struct bfi_enet_q {
 166         union bfi_addr_u        pg_tbl;
 167         union bfi_addr_u        first_entry;
 168         u16             pages;  /* # of pages */
 169         u16             page_sz;
 170 } __packed;
 171
 172 struct bfi_enet_txq {
 173         struct bfi_enet_q       q;
 174         u8                      priority;
 175         u8                      rsvd[3];
 176 } __packed;
 177
 178 struct bfi_enet_rxq {
 179         struct bfi_enet_q       q;
 180         u16             rx_buffer_size;
 181         u16             rsvd;
 182 } __packed;
 183
 184 struct bfi_enet_cq {
 185         struct bfi_enet_q       q;
 186 } __packed;
 187
 188 struct bfi_enet_ib_cfg {
 189         u8              int_pkt_dma;
 190         u8              int_enabled;
 191         u8              int_pkt_enabled;
 192         u8              continuous_coalescing;
 193         u8              msix;
 194         u8              rsvd[3];
 195         u32     coalescing_timeout;
 196         u32     inter_pkt_timeout;
 197         u8              inter_pkt_count;
 198         u8              rsvd1[3];
 199 } __packed;
 200
 201 struct bfi_enet_ib {
 202         union bfi_addr_u        index_addr;
 203         union {
 204                 u16     msix_index;
 205                 u16     intx_bitmask;
 206         } __packed intr;
 207         u16             rsvd;
 208 } __packed;
 209
 210 /* ENET command messages */
 211 enum bfi_enet_h2i_msgs {
 212         /* Rx Commands */
 213         BFI_ENET_H2I_RX_CFG_SET_REQ = 1,
 214         BFI_ENET_H2I_RX_CFG_CLR_REQ = 2,
 215
 216         BFI_ENET_H2I_RIT_CFG_REQ = 3,
 217         BFI_ENET_H2I_RSS_CFG_REQ = 4,
 218         BFI_ENET_H2I_RSS_ENABLE_REQ = 5,
 219         BFI_ENET_H2I_RX_PROMISCUOUS_REQ = 6,
 220         BFI_ENET_H2I_RX_DEFAULT_REQ = 7,
 221
 222         BFI_ENET_H2I_MAC_UCAST_SET_REQ = 8,
 223         BFI_ENET_H2I_MAC_UCAST_CLR_REQ = 9,
 224         BFI_ENET_H2I_MAC_UCAST_ADD_REQ = 10,
 225         BFI_ENET_H2I_MAC_UCAST_DEL_REQ = 11,
 226
 227         BFI_ENET_H2I_MAC_MCAST_ADD_REQ = 12,
 228         BFI_ENET_H2I_MAC_MCAST_DEL_REQ = 13,
 229         BFI_ENET_H2I_MAC_MCAST_FILTER_REQ = 14,
 230
 231         BFI_ENET_H2I_RX_VLAN_SET_REQ = 15,
 232         BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ = 16,
 233
 234         /* Tx Commands */
 235         BFI_ENET_H2I_TX_CFG_SET_REQ = 17,
 236         BFI_ENET_H2I_TX_CFG_CLR_REQ = 18,
 237
 238         /* Port Commands */
 239         BFI_ENET_H2I_PORT_ADMIN_UP_REQ = 19,
 240         BFI_ENET_H2I_SET_PAUSE_REQ = 20,
 241         BFI_ENET_H2I_DIAG_LOOPBACK_REQ = 21,
 242
 243         /* Get Attributes Command */
 244         BFI_ENET_H2I_GET_ATTR_REQ = 22,
 245
 246         /*  Statistics Commands */
 247         BFI_ENET_H2I_STATS_GET_REQ = 23,
 248         BFI_ENET_H2I_STATS_CLR_REQ = 24,
 249
 250         BFI_ENET_H2I_WOL_MAGIC_REQ = 25,
 251         BFI_ENET_H2I_WOL_FRAME_REQ = 26,
 252
 253         BFI_ENET_H2I_MAX = 27,
 254 };
 255
 256 enum bfi_enet_i2h_msgs {
 257         /* Rx Responses */
 258         BFI_ENET_I2H_RX_CFG_SET_RSP =
 259                 BFA_I2HM(BFI_ENET_H2I_RX_CFG_SET_REQ),
 260         BFI_ENET_I2H_RX_CFG_CLR_RSP =
 261                 BFA_I2HM(BFI_ENET_H2I_RX_CFG_CLR_REQ),
 262
 263         BFI_ENET_I2H_RIT_CFG_RSP =
 264                 BFA_I2HM(BFI_ENET_H2I_RIT_CFG_REQ),
 265         BFI_ENET_I2H_RSS_CFG_RSP =
 266                 BFA_I2HM(BFI_ENET_H2I_RSS_CFG_REQ),
 267         BFI_ENET_I2H_RSS_ENABLE_RSP =
 268                 BFA_I2HM(BFI_ENET_H2I_RSS_ENABLE_REQ),
 269         BFI_ENET_I2H_RX_PROMISCUOUS_RSP =
 270                 BFA_I2HM(BFI_ENET_H2I_RX_PROMISCUOUS_REQ),
 271         BFI_ENET_I2H_RX_DEFAULT_RSP =
 272                 BFA_I2HM(BFI_ENET_H2I_RX_DEFAULT_REQ),
 273
 274         BFI_ENET_I2H_MAC_UCAST_SET_RSP =
 275                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_SET_REQ),
 276         BFI_ENET_I2H_MAC_UCAST_CLR_RSP =
 277                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_CLR_REQ),
 278         BFI_ENET_I2H_MAC_UCAST_ADD_RSP =
 279                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_ADD_REQ),
 280         BFI_ENET_I2H_MAC_UCAST_DEL_RSP =
 281                 BFA_I2HM(BFI_ENET_H2I_MAC_UCAST_DEL_REQ),
 282
 283         BFI_ENET_I2H_MAC_MCAST_ADD_RSP =
 284                 BFA_I2HM(BFI_ENET_H2I_MAC_MCAST_ADD_REQ),
 285         BFI_ENET_I2H_MAC_MCAST_DEL_RSP =
 286                 BFA_I2HM(BFI_ENET_H2I_MAC_MCAST_DEL_REQ),
 287         BFI_ENET_I2H_MAC_MCAST_FILTER_RSP =
 288                 BFA_I2HM(BFI_ENET_H2I_MAC_MCAST_FILTER_REQ),
 289
 290         BFI_ENET_I2H_RX_VLAN_SET_RSP =
 291                 BFA_I2HM(BFI_ENET_H2I_RX_VLAN_SET_REQ),
 292
 293         BFI_ENET_I2H_RX_VLAN_STRIP_ENABLE_RSP =
 294                 BFA_I2HM(BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ),
 295
 296         /* Tx Responses */
 297         BFI_ENET_I2H_TX_CFG_SET_RSP =
 298                 BFA_I2HM(BFI_ENET_H2I_TX_CFG_SET_REQ),
 299         BFI_ENET_I2H_TX_CFG_CLR_RSP =
 300                 BFA_I2HM(BFI_ENET_H2I_TX_CFG_CLR_REQ),
 301
 302         /* Port Responses */
 303         BFI_ENET_I2H_PORT_ADMIN_RSP =
 304                 BFA_I2HM(BFI_ENET_H2I_PORT_ADMIN_UP_REQ),
 305
 306         BFI_ENET_I2H_SET_PAUSE_RSP =
 307                 BFA_I2HM(BFI_ENET_H2I_SET_PAUSE_REQ),
 308         BFI_ENET_I2H_DIAG_LOOPBACK_RSP =
 309                 BFA_I2HM(BFI_ENET_H2I_DIAG_LOOPBACK_REQ),
 310
 311         /*  Attributes Response */
 312         BFI_ENET_I2H_GET_ATTR_RSP =
 313                 BFA_I2HM(BFI_ENET_H2I_GET_ATTR_REQ),
 314
 315         /* Statistics Responses */
 316         BFI_ENET_I2H_STATS_GET_RSP =
 317                 BFA_I2HM(BFI_ENET_H2I_STATS_GET_REQ),
 318         BFI_ENET_I2H_STATS_CLR_RSP =
 319                 BFA_I2HM(BFI_ENET_H2I_STATS_CLR_REQ),
 320
 321         BFI_ENET_I2H_WOL_MAGIC_RSP =
 322                 BFA_I2HM(BFI_ENET_H2I_WOL_MAGIC_REQ),
 323         BFI_ENET_I2H_WOL_FRAME_RSP =
 324                 BFA_I2HM(BFI_ENET_H2I_WOL_FRAME_REQ),
 325
 326         /* AENs */
 327         BFI_ENET_I2H_LINK_DOWN_AEN = BFA_I2HM(BFI_ENET_H2I_MAX),
 328         BFI_ENET_I2H_LINK_UP_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 1),
 329
 330         BFI_ENET_I2H_PORT_ENABLE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 2),
 331         BFI_ENET_I2H_PORT_DISABLE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 3),
 332
 333         BFI_ENET_I2H_BW_UPDATE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 4),
 334 };
 335
 336 /* The following error codes can be returned by the enet commands */
 337 enum bfi_enet_err {
 338         BFI_ENET_CMD_OK         = 0,
 339         BFI_ENET_CMD_FAIL       = 1,
 340         BFI_ENET_CMD_DUP_ENTRY  = 2,    /* !< Duplicate entry in CAM */
 341         BFI_ENET_CMD_CAM_FULL   = 3,    /* !< CAM is full */
 342         BFI_ENET_CMD_NOT_OWNER  = 4,    /* !< Not permitted, b'cos not owner */
 343         BFI_ENET_CMD_NOT_EXEC   = 5,    /* !< Was not sent to f/w at all */
 344         BFI_ENET_CMD_WAITING    = 6,    /* !< Waiting for completion */
 345         BFI_ENET_CMD_PORT_DISABLED = 7, /* !< port in disabled state */
 346 };
 347
 348 /* Generic Request
 349  *
 350  * bfi_enet_req is used by:
 351  *      BFI_ENET_H2I_RX_CFG_CLR_REQ
 352  *      BFI_ENET_H2I_TX_CFG_CLR_REQ
 353  */
 354 struct bfi_enet_req {
 355         struct bfi_msgq_mhdr mh;
 356 } __packed;
 357
 358 /* Enable/Disable Request
 359  *
 360  * bfi_enet_enable_req is used by:
 361  *      BFI_ENET_H2I_RSS_ENABLE_REQ     (enet_id must be zero)
 362  *      BFI_ENET_H2I_RX_PROMISCUOUS_REQ (enet_id must be zero)
 363  *      BFI_ENET_H2I_RX_DEFAULT_REQ     (enet_id must be zero)
 364  *      BFI_ENET_H2I_RX_MAC_MCAST_FILTER_REQ
 365  *      BFI_ENET_H2I_PORT_ADMIN_UP_REQ  (enet_id must be zero)
 366  */
 367 struct bfi_enet_enable_req {
 368         struct          bfi_msgq_mhdr mh;
 369         u8              enable;         /* 1 = enable;  0 = disable */
 370         u8              rsvd[3];
 371 } __packed;
 372
 373 /* Generic Response */
 374 struct bfi_enet_rsp {
 375         struct bfi_msgq_mhdr mh;
 376         u8              error;          /*!< if error see cmd_offset */
 377         u8              rsvd;
 378         u16             cmd_offset;     /*!< offset to invalid parameter */
 379 } __packed;
 380
 381 /* GLOBAL CONFIGURATION */
 382
 383 /* bfi_enet_attr_req is used by:
 384  *      BFI_ENET_H2I_GET_ATTR_REQ
 385  */
 386 struct bfi_enet_attr_req {
 387         struct bfi_msgq_mhdr    mh;
 388 } __packed;
 389
 390 /* bfi_enet_attr_rsp is used by:
 391  *      BFI_ENET_I2H_GET_ATTR_RSP
 392  */
 393 struct bfi_enet_attr_rsp {
 394         struct bfi_msgq_mhdr mh;
 395         u8              error;          /*!< if error see cmd_offset */
 396         u8              rsvd;
 397         u16             cmd_offset;     /*!< offset to invalid parameter */
 398         u32             max_cfg;
 399         u32             max_ucmac;
 400         u32             rit_size;
 401 } __packed;
 402
 403 /* Tx Configuration
 404  *
 405  * bfi_enet_tx_cfg is used by:
 406  *      BFI_ENET_H2I_TX_CFG_SET_REQ
 407  */
 408 enum bfi_enet_tx_vlan_mode {
 409         BFI_ENET_TX_VLAN_NOP    = 0,
 410         BFI_ENET_TX_VLAN_INS    = 1,
 411         BFI_ENET_TX_VLAN_WI     = 2,
 412 };
 413
 414 struct bfi_enet_tx_cfg {
 415         u8              vlan_mode;      /*!< processing mode */
 416         u8              rsvd;
 417         u16             vlan_id;
 418         u8              admit_tagged_frame;
 419         u8              apply_vlan_filter;
 420         u8              add_to_vswitch;
 421         u8              rsvd1[1];
 422 } __packed;
 423
 424 struct bfi_enet_tx_cfg_req {
 425         struct bfi_msgq_mhdr mh;
 426         u8                      num_queues;     /* # of Tx Queues */
 427         u8                      rsvd[3];
 428
 429         struct {
 430                 struct bfi_enet_txq     q;
 431                 struct bfi_enet_ib      ib;
 432         } __packed q_cfg[BFI_ENET_TXQ_PRIO_MAX];
 433
 434         struct bfi_enet_ib_cfg  ib_cfg;
 435
 436         struct bfi_enet_tx_cfg  tx_cfg;
 437 };
 438
 439 struct bfi_enet_tx_cfg_rsp {
 440         struct          bfi_msgq_mhdr mh;
 441         u8              error;
 442         u8              hw_id;          /* For debugging */
 443         u8              rsvd[2];
 444         struct {
 445                 u32     q_dbell;        /* PCI base address offset */
 446                 u32     i_dbell;        /* PCI base address offset */
 447                 u8      hw_qid;         /* For debugging */
 448                 u8      rsvd[3];
 449         } __packed q_handles[BFI_ENET_TXQ_PRIO_MAX];
 450 };
 451
 452 /* Rx Configuration
 453  *
 454  * bfi_enet_rx_cfg is used by:
 455  *      BFI_ENET_H2I_RX_CFG_SET_REQ
 456  */
 457 enum bfi_enet_rxq_type {
 458         BFI_ENET_RXQ_SINGLE             = 1,
 459         BFI_ENET_RXQ_LARGE_SMALL        = 2,
 460         BFI_ENET_RXQ_HDS                = 3,
 461         BFI_ENET_RXQ_HDS_OPT_BASED      = 4,
 462 };
 463
 464 enum bfi_enet_hds_type {
 465         BFI_ENET_HDS_FORCED     = 0x01,
 466         BFI_ENET_HDS_IPV6_UDP   = 0x02,
 467         BFI_ENET_HDS_IPV6_TCP   = 0x04,
 468         BFI_ENET_HDS_IPV4_TCP   = 0x08,
 469         BFI_ENET_HDS_IPV4_UDP   = 0x10,
 470 };
 471
 472 struct bfi_enet_rx_cfg {
 473         u8              rxq_type;
 474         u8              rsvd[1];
 475         u16             frame_size;
 476
 477         struct {
 478                 u8                      max_header_size;
 479                 u8                      force_offset;
 480                 u8                      type;
 481                 u8                      rsvd1;
 482         } __packed hds;
 483
 484         u8              multi_buffer;
 485         u8              strip_vlan;
 486         u8              drop_untagged;
 487         u8              rsvd2;
 488 } __packed;
 489
 490 /*
 491  * Multicast frames are received on the ql of q-set index zero.
 492  * On the completion queue.  RxQ ID = even is for large/data buffer queues
 493  * and RxQ ID = odd is for small/header buffer queues.
 494  */
 495 struct bfi_enet_rx_cfg_req {
 496         struct bfi_msgq_mhdr mh;
 497         u8                      num_queue_sets; /* # of Rx Queue Sets */
 498         u8                      rsvd[3];
 499
 500         struct {
 501                 struct bfi_enet_rxq     ql;     /* large/data/single buffers */
 502                 struct bfi_enet_rxq     qs;     /* small/header buffers */
 503                 struct bfi_enet_cq      cq;
 504                 struct bfi_enet_ib      ib;
 505         } __packed q_cfg[BFI_ENET_RX_QSET_MAX];
 506
 507         struct bfi_enet_ib_cfg  ib_cfg;
 508
 509         struct bfi_enet_rx_cfg  rx_cfg;
 510 } __packed;
 511
 512 struct bfi_enet_rx_cfg_rsp {
 513         struct bfi_msgq_mhdr mh;
 514         u8              error;
 515         u8              hw_id;   /* For debugging */
 516         u8              rsvd[2];
 517         struct {
 518                 u32     ql_dbell; /* PCI base address offset */
 519                 u32     qs_dbell; /* PCI base address offset */
 520                 u32     i_dbell;  /* PCI base address offset */
 521                 u8              hw_lqid;  /* For debugging */
 522                 u8              hw_sqid;  /* For debugging */
 523                 u8              hw_cqid;  /* For debugging */
 524                 u8              rsvd;
 525         } __packed q_handles[BFI_ENET_RX_QSET_MAX];
 526 } __packed;
 527
 528 /* RIT
 529  *
 530  * bfi_enet_rit_req is used by:
 531  *      BFI_ENET_H2I_RIT_CFG_REQ
 532  */
 533 struct bfi_enet_rit_req {
 534         struct  bfi_msgq_mhdr mh;
 535         u16     size;                   /* number of table-entries used */
 536         u8      rsvd[2];
 537         u8      table[BFI_ENET_RSS_RIT_MAX];
 538 } __packed;
 539
 540 /* RSS
 541  *
 542  * bfi_enet_rss_cfg_req is used by:
 543  *      BFI_ENET_H2I_RSS_CFG_REQ
 544  */
 545 enum bfi_enet_rss_type {
 546         BFI_ENET_RSS_IPV6       = 0x01,
 547         BFI_ENET_RSS_IPV6_TCP   = 0x02,
 548         BFI_ENET_RSS_IPV4       = 0x04,
 549         BFI_ENET_RSS_IPV4_TCP   = 0x08
 550 };
 551
 552 struct bfi_enet_rss_cfg {
 553         u8      type;
 554         u8      mask;
 555         u8      rsvd[2];
 556         u32     key[BFI_ENET_RSS_KEY_LEN];
 557 } __packed;
 558
 559 struct bfi_enet_rss_cfg_req {
 560         struct bfi_msgq_mhdr    mh;
 561         struct bfi_enet_rss_cfg cfg;
 562 } __packed;
 563
 564 /* MAC Unicast
 565  *
 566  * bfi_enet_rx_vlan_req is used by:
 567  *      BFI_ENET_H2I_MAC_UCAST_SET_REQ
 568  *      BFI_ENET_H2I_MAC_UCAST_CLR_REQ
 569  *      BFI_ENET_H2I_MAC_UCAST_ADD_REQ
 570  *      BFI_ENET_H2I_MAC_UCAST_DEL_REQ
 571  */
 572 struct bfi_enet_ucast_req {
 573         struct bfi_msgq_mhdr    mh;
 574         u8                      mac_addr[ETH_ALEN];
 575         u8                      rsvd[2];
 576 } __packed;
 577
 578 /* MAC Unicast + VLAN */
 579 struct bfi_enet_mac_n_vlan_req {
 580         struct bfi_msgq_mhdr    mh;
 581         u16                     vlan_id;
 582         u8                      mac_addr[ETH_ALEN];
 583 } __packed;
 584
 585 /* MAC Multicast
 586  *
 587  * bfi_enet_mac_mfilter_add_req is used by:
 588  *      BFI_ENET_H2I_MAC_MCAST_ADD_REQ
 589  */
 590 struct bfi_enet_mcast_add_req {
 591         struct bfi_msgq_mhdr    mh;
 592         u8                      mac_addr[ETH_ALEN];
 593         u8                      rsvd[2];
 594 } __packed;
 595
 596 /* bfi_enet_mac_mfilter_add_rsp is used by:
 597  *      BFI_ENET_I2H_MAC_MCAST_ADD_RSP
 598  */
 599 struct bfi_enet_mcast_add_rsp {
 600         struct bfi_msgq_mhdr    mh;
 601         u8                      error;
 602         u8                      rsvd;
 603         u16                     cmd_offset;
 604         u16                     handle;
 605         u8                      rsvd1[2];
 606 } __packed;
 607
 608 /* bfi_enet_mac_mfilter_del_req is used by:
 609  *      BFI_ENET_H2I_MAC_MCAST_DEL_REQ
 610  */
 611 struct bfi_enet_mcast_del_req {
 612         struct bfi_msgq_mhdr    mh;
 613         u16                     handle;
 614         u8                      rsvd[2];
 615 } __packed;
 616
 617 /* VLAN
 618  *
 619  * bfi_enet_rx_vlan_req is used by:
 620  *      BFI_ENET_H2I_RX_VLAN_SET_REQ
 621  */
 622 struct bfi_enet_rx_vlan_req {
 623         struct bfi_msgq_mhdr    mh;
 624         u8                      block_idx;
 625         u8                      rsvd[3];
 626         u32                     bit_mask[BFI_ENET_VLAN_WORDS_MAX];
 627 } __packed;
 628
 629 /* PAUSE
 630  *
 631  * bfi_enet_set_pause_req is used by:
 632  *      BFI_ENET_H2I_SET_PAUSE_REQ
 633  */
 634 struct bfi_enet_set_pause_req {
 635         struct bfi_msgq_mhdr    mh;
 636         u8                      rsvd[2];
 637         u8                      tx_pause;       /* 1 = enable;  0 = disable */
 638         u8                      rx_pause;       /* 1 = enable;  0 = disable */
 639 } __packed;
 640
 641 /* DIAGNOSTICS
 642  *
 643  * bfi_enet_diag_lb_req is used by:
 644  *      BFI_ENET_H2I_DIAG_LOOPBACK
 645  */
 646 struct bfi_enet_diag_lb_req {
 647         struct bfi_msgq_mhdr    mh;
 648         u8                      rsvd[2];
 649         u8                      mode;           /* cable or Serdes */
 650         u8                      enable;         /* 1 = enable;  0 = disable */
 651 } __packed;
 652
 653 /* enum for Loopback opmodes */
 654 enum {
 655         BFI_ENET_DIAG_LB_OPMODE_EXT = 0,
 656         BFI_ENET_DIAG_LB_OPMODE_CBL = 1,
 657 };
 658
 659 /* STATISTICS
 660  *
 661  * bfi_enet_stats_req is used by:
 662  *    BFI_ENET_H2I_STATS_GET_REQ
 663  *    BFI_ENET_I2H_STATS_CLR_REQ
 664  */
 665 struct bfi_enet_stats_req {
 666         struct bfi_msgq_mhdr    mh;
 667         u16                     stats_mask;
 668         u8                      rsvd[2];
 669         u32                     rx_enet_mask;
 670         u32                     tx_enet_mask;
 671         union bfi_addr_u        host_buffer;
 672 } __packed;
 673
 674 /* defines for "stats_mask" above. */
 675 #define BFI_ENET_STATS_MAC    BIT(0)    /* !< MAC Statistics */
 676 #define BFI_ENET_STATS_BPC    BIT(1)    /* !< Pause Stats from BPC */
 677 #define BFI_ENET_STATS_RAD    BIT(2)    /* !< Rx Admission Statistics */
 678 #define BFI_ENET_STATS_RX_FC  BIT(3)    /* !< Rx FC Stats from RxA */
 679 #define BFI_ENET_STATS_TX_FC  BIT(4)    /* !< Tx FC Stats from TxA */
 680
 681 #define BFI_ENET_STATS_ALL    0x1f
 682
 683 /* TxF Frame Statistics */
 684 struct bfi_enet_stats_txf {
 685         u64 ucast_octets;
 686         u64 ucast;
 687         u64 ucast_vlan;
 688
 689         u64 mcast_octets;
 690         u64 mcast;
 691         u64 mcast_vlan;
 692
 693         u64 bcast_octets;
 694         u64 bcast;
 695         u64 bcast_vlan;
 696
 697         u64 errors;
 698         u64 filter_vlan;      /* frames filtered due to VLAN */
 699         u64 filter_mac_sa;    /* frames filtered due to SA check */
 700 } __packed;
 701
 702 /* RxF Frame Statistics */
 703 struct bfi_enet_stats_rxf {
 704         u64 ucast_octets;
 705         u64 ucast;
 706         u64 ucast_vlan;
 707
 708         u64 mcast_octets;
 709         u64 mcast;
 710         u64 mcast_vlan;
 711
 712         u64 bcast_octets;
 713         u64 bcast;
 714         u64 bcast_vlan;
 715         u64 frame_drops;
 716 } __packed;
 717
 718 /* FC Tx Frame Statistics */
 719 struct bfi_enet_stats_fc_tx {
 720         u64 txf_ucast_octets;
 721         u64 txf_ucast;
 722         u64 txf_ucast_vlan;
 723
 724         u64 txf_mcast_octets;
 725         u64 txf_mcast;
 726         u64 txf_mcast_vlan;
 727
 728         u64 txf_bcast_octets;
 729         u64 txf_bcast;
 730         u64 txf_bcast_vlan;
 731
 732         u64 txf_parity_errors;
 733         u64 txf_timeout;
 734         u64 txf_fid_parity_errors;
 735 } __packed;
 736
 737 /* FC Rx Frame Statistics */
 738 struct bfi_enet_stats_fc_rx {
 739         u64 rxf_ucast_octets;
 740         u64 rxf_ucast;
 741         u64 rxf_ucast_vlan;
 742
 743         u64 rxf_mcast_octets;
 744         u64 rxf_mcast;
 745         u64 rxf_mcast_vlan;
 746
 747         u64 rxf_bcast_octets;
 748         u64 rxf_bcast;
 749         u64 rxf_bcast_vlan;
 750 } __packed;
 751
 752 /* RAD Frame Statistics */
 753 struct bfi_enet_stats_rad {
 754         u64 rx_frames;
 755         u64 rx_octets;
 756         u64 rx_vlan_frames;
 757
 758         u64 rx_ucast;
 759         u64 rx_ucast_octets;
 760         u64 rx_ucast_vlan;
 761
 762         u64 rx_mcast;
 763         u64 rx_mcast_octets;
 764         u64 rx_mcast_vlan;
 765
 766         u64 rx_bcast;
 767         u64 rx_bcast_octets;
 768         u64 rx_bcast_vlan;
 769
 770         u64 rx_drops;
 771 } __packed;
 772
 773 /* BPC Tx Registers */
 774 struct bfi_enet_stats_bpc {
 775         /* transmit stats */
 776         u64 tx_pause[8];
 777         u64 tx_zero_pause[8];   /*!< Pause cancellation */
 778         /*!<Pause initiation rather than retention */
 779         u64 tx_first_pause[8];
 780
 781         /* receive stats */
 782         u64 rx_pause[8];
 783         u64 rx_zero_pause[8];   /*!< Pause cancellation */
 784         /*!<Pause initiation rather than retention */
 785         u64 rx_first_pause[8];
 786 } __packed;
 787
 788 /* MAC Rx Statistics */
 789 struct bfi_enet_stats_mac {
 790         u64 stats_clr_cnt;      /* times this stats cleared */
 791         u64 frame_64;           /* both rx and tx counter */
 792         u64 frame_65_127;               /* both rx and tx counter */
 793         u64 frame_128_255;              /* both rx and tx counter */
 794         u64 frame_256_511;              /* both rx and tx counter */
 795         u64 frame_512_1023;     /* both rx and tx counter */
 796         u64 frame_1024_1518;    /* both rx and tx counter */
 797         u64 frame_1519_1522;    /* both rx and tx counter */
 798
 799         /* receive stats */
 800         u64 rx_bytes;
 801         u64 rx_packets;
 802         u64 rx_fcs_error;
 803         u64 rx_multicast;
 804         u64 rx_broadcast;
 805         u64 rx_control_frames;
 806         u64 rx_pause;
 807         u64 rx_unknown_opcode;
 808         u64 rx_alignment_error;
 809         u64 rx_frame_length_error;
 810         u64 rx_code_error;
 811         u64 rx_carrier_sense_error;
 812         u64 rx_undersize;
 813         u64 rx_oversize;
 814         u64 rx_fragments;
 815         u64 rx_jabber;
 816         u64 rx_drop;
 817
 818         /* transmit stats */
 819         u64 tx_bytes;
 820         u64 tx_packets;
 821         u64 tx_multicast;
 822         u64 tx_broadcast;
 823         u64 tx_pause;
 824         u64 tx_deferral;
 825         u64 tx_excessive_deferral;
 826         u64 tx_single_collision;
 827         u64 tx_muliple_collision;
 828         u64 tx_late_collision;
 829         u64 tx_excessive_collision;
 830         u64 tx_total_collision;
 831         u64 tx_pause_honored;
 832         u64 tx_drop;
 833         u64 tx_jabber;
 834         u64 tx_fcs_error;
 835         u64 tx_control_frame;
 836         u64 tx_oversize;
 837         u64 tx_undersize;
 838         u64 tx_fragments;
 839 } __packed;
 840
 841 /* Complete statistics, DMAed from fw to host followed by
 842  * BFI_ENET_I2H_STATS_GET_RSP
 843  */
 844 struct bfi_enet_stats {
 845         struct bfi_enet_stats_mac       mac_stats;
 846         struct bfi_enet_stats_bpc       bpc_stats;
 847         struct bfi_enet_stats_rad       rad_stats;
 848         struct bfi_enet_stats_rad       rlb_stats;
 849         struct bfi_enet_stats_fc_rx     fc_rx_stats;
 850         struct bfi_enet_stats_fc_tx     fc_tx_stats;
 851         struct bfi_enet_stats_rxf       rxf_stats[BFI_ENET_CFG_MAX];
 852         struct bfi_enet_stats_txf       txf_stats[BFI_ENET_CFG_MAX];
 853 } __packed;
 854
 855 #endif  /* __BFI_ENET_H__ */