kernel/drivers/net/ethernet/brocade/bna/bna.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 #ifndef __BNA_H__
  20 #define __BNA_H__
  21
  22 #include "bfa_defs.h"
  23 #include "bfa_ioc.h"
  24 #include "bfi_enet.h"
  25 #include "bna_types.h"
  26
  27 extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];
  28
  29 /*  Macros and constants  */
  30
  31 #define bna_is_small_rxq(_id) ((_id) & 0x1)
  32
  33 /*
  34  * input : _addr-> os dma addr in host endian format,
  35  * output : _bna_dma_addr-> pointer to hw dma addr
  36  */
  37 #define BNA_SET_DMA_ADDR(_addr, _bna_dma_addr)                          \
  38 do {                                                                    \
  39         u64 tmp_addr =                                          \
  40         cpu_to_be64((u64)(_addr));                              \
  41         (_bna_dma_addr)->msb = ((struct bna_dma_addr *)&tmp_addr)->msb; \
  42         (_bna_dma_addr)->lsb = ((struct bna_dma_addr *)&tmp_addr)->lsb; \
  43 } while (0)
  44
  45 /*
  46  * input : _bna_dma_addr-> pointer to hw dma addr
  47  * output : _addr-> os dma addr in host endian format
  48  */
  49 #define BNA_GET_DMA_ADDR(_bna_dma_addr, _addr)                  \
  50 do {                                                            \
  51         (_addr) = ((((u64)ntohl((_bna_dma_addr)->msb))) << 32)          \
  52         | ((ntohl((_bna_dma_addr)->lsb) & 0xffffffff)); \
  53 } while (0)
  54
  55 #define BNA_TXQ_WI_NEEDED(_vectors)     (((_vectors) + 3) >> 2)
  56
  57 #define BNA_QE_INDX_ADD(_qe_idx, _qe_num, _q_depth)                     \
  58         ((_qe_idx) = ((_qe_idx) + (_qe_num)) & ((_q_depth) - 1))
  59
  60 #define BNA_QE_INDX_INC(_idx, _q_depth) BNA_QE_INDX_ADD(_idx, 1, _q_depth)
  61
  62 #define BNA_Q_INDEX_CHANGE(_old_idx, _updated_idx, _q_depth)            \
  63         (((_updated_idx) - (_old_idx)) & ((_q_depth) - 1))
  64
  65 #define BNA_QE_FREE_CNT(_q_ptr, _q_depth)                               \
  66         (((_q_ptr)->consumer_index - (_q_ptr)->producer_index - 1) &    \
  67          ((_q_depth) - 1))
  68 #define BNA_QE_IN_USE_CNT(_q_ptr, _q_depth)                             \
  69         ((((_q_ptr)->producer_index - (_q_ptr)->consumer_index)) &      \
  70          (_q_depth - 1))
  71
  72 #define BNA_LARGE_PKT_SIZE              1000
  73
  74 #define BNA_UPDATE_PKT_CNT(_pkt, _len)                                  \
  75 do {                                                                    \
  76         if ((_len) > BNA_LARGE_PKT_SIZE) {                              \
  77                 (_pkt)->large_pkt_cnt++;                                \
  78         } else {                                                        \
  79                 (_pkt)->small_pkt_cnt++;                                \
  80         }                                                               \
  81 } while (0)
  82
  83 #define call_rxf_stop_cbfn(rxf)                                         \
  84 do {                                                                    \
  85         if ((rxf)->stop_cbfn) {                                         \
  86                 void (*cbfn)(struct bna_rx *);                  \
  87                 struct bna_rx *cbarg;                                   \
  88                 cbfn = (rxf)->stop_cbfn;                                \
  89                 cbarg = (rxf)->stop_cbarg;                              \
  90                 (rxf)->stop_cbfn = NULL;                                \
  91                 (rxf)->stop_cbarg = NULL;                               \
  92                 cbfn(cbarg);                                            \
  93         }                                                               \
  94 } while (0)
  95
  96 #define call_rxf_start_cbfn(rxf)                                        \
  97 do {                                                                    \
  98         if ((rxf)->start_cbfn) {                                        \
  99                 void (*cbfn)(struct bna_rx *);                  \
 100                 struct bna_rx *cbarg;                                   \
 101                 cbfn = (rxf)->start_cbfn;                               \
 102                 cbarg = (rxf)->start_cbarg;                             \
 103                 (rxf)->start_cbfn = NULL;                               \
 104                 (rxf)->start_cbarg = NULL;                              \
 105                 cbfn(cbarg);                                            \
 106         }                                                               \
 107 } while (0)
 108
 109 #define call_rxf_cam_fltr_cbfn(rxf)                                     \
 110 do {                                                                    \
 111         if ((rxf)->cam_fltr_cbfn) {                                     \
 112                 void (*cbfn)(struct bnad *, struct bna_rx *);   \
 113                 struct bnad *cbarg;                                     \
 114                 cbfn = (rxf)->cam_fltr_cbfn;                            \
 115                 cbarg = (rxf)->cam_fltr_cbarg;                          \
 116                 (rxf)->cam_fltr_cbfn = NULL;                            \
 117                 (rxf)->cam_fltr_cbarg = NULL;                           \
 118                 cbfn(cbarg, rxf->rx);                                   \
 119         }                                                               \
 120 } while (0)
 121
 122 #define is_xxx_enable(mode, bitmask, xxx) ((bitmask & xxx) && (mode & xxx))
 123
 124 #define is_xxx_disable(mode, bitmask, xxx) ((bitmask & xxx) && !(mode & xxx))
 125
 126 #define xxx_enable(mode, bitmask, xxx)                                  \
 127 do {                                                                    \
 128         bitmask |= xxx;                                                 \
 129         mode |= xxx;                                                    \
 130 } while (0)
 131
 132 #define xxx_disable(mode, bitmask, xxx)                                 \
 133 do {                                                                    \
 134         bitmask |= xxx;                                                 \
 135         mode &= ~xxx;                                                   \
 136 } while (0)
 137
 138 #define xxx_inactive(mode, bitmask, xxx)                                \
 139 do {                                                                    \
 140         bitmask &= ~xxx;                                                \
 141         mode &= ~xxx;                                                   \
 142 } while (0)
 143
 144 #define is_promisc_enable(mode, bitmask)                                \
 145         is_xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
 146
 147 #define is_promisc_disable(mode, bitmask)                               \
 148         is_xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
 149
 150 #define promisc_enable(mode, bitmask)                                   \
 151         xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
 152
 153 #define promisc_disable(mode, bitmask)                                  \
 154         xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
 155
 156 #define promisc_inactive(mode, bitmask)                                 \
 157         xxx_inactive(mode, bitmask, BNA_RXMODE_PROMISC)
 158
 159 #define is_default_enable(mode, bitmask)                                \
 160         is_xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
 161
 162 #define is_default_disable(mode, bitmask)                               \
 163         is_xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
 164
 165 #define default_enable(mode, bitmask)                                   \
 166         xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
 167
 168 #define default_disable(mode, bitmask)                                  \
 169         xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
 170
 171 #define default_inactive(mode, bitmask)                                 \
 172         xxx_inactive(mode, bitmask, BNA_RXMODE_DEFAULT)
 173
 174 #define is_allmulti_enable(mode, bitmask)                               \
 175         is_xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
 176
 177 #define is_allmulti_disable(mode, bitmask)                              \
 178         is_xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
 179
 180 #define allmulti_enable(mode, bitmask)                                  \
 181         xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
 182
 183 #define allmulti_disable(mode, bitmask)                                 \
 184         xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
 185
 186 #define allmulti_inactive(mode, bitmask)                                \
 187         xxx_inactive(mode, bitmask, BNA_RXMODE_ALLMULTI)
 188
 189 #define GET_RXQS(rxp, q0, q1)   do {                                    \
 190         switch ((rxp)->type) {                                          \
 191         case BNA_RXP_SINGLE:                                            \
 192                 (q0) = rxp->rxq.single.only;                            \
 193                 (q1) = NULL;                                            \
 194                 break;                                                  \
 195         case BNA_RXP_SLR:                                               \
 196                 (q0) = rxp->rxq.slr.large;                              \
 197                 (q1) = rxp->rxq.slr.small;                              \
 198                 break;                                                  \
 199         case BNA_RXP_HDS:                                               \
 200                 (q0) = rxp->rxq.hds.data;                               \
 201                 (q1) = rxp->rxq.hds.hdr;                                \
 202                 break;                                                  \
 203         }                                                               \
 204 } while (0)
 205
 206 #define bna_tx_rid_mask(_bna) ((_bna)->tx_mod.rid_mask)
 207
 208 #define bna_rx_rid_mask(_bna) ((_bna)->rx_mod.rid_mask)
 209
 210 #define bna_tx_from_rid(_bna, _rid, _tx)                                \
 211 do {                                                                    \
 212         struct bna_tx_mod *__tx_mod = &(_bna)->tx_mod;                  \
 213         struct bna_tx *__tx;                                            \
 214         _tx = NULL;                                                     \
 215         list_for_each_entry(__tx, &__tx_mod->tx_active_q, qe) {         \
 216                 if (__tx->rid == (_rid)) {                              \
 217                         (_tx) = __tx;                                   \
 218                         break;                                          \
 219                 }                                                       \
 220         }                                                               \
 221 } while (0)
 222
 223 #define bna_rx_from_rid(_bna, _rid, _rx)                                \
 224 do {                                                                    \
 225         struct bna_rx_mod *__rx_mod = &(_bna)->rx_mod;                  \
 226         struct bna_rx *__rx;                                            \
 227         _rx = NULL;                                                     \
 228         list_for_each_entry(__rx, &__rx_mod->rx_active_q, qe) {         \
 229                 if (__rx->rid == (_rid)) {                              \
 230                         (_rx) = __rx;                                   \
 231                         break;                                          \
 232                 }                                                       \
 233         }                                                               \
 234 } while (0)
 235
 236 #define bna_mcam_mod_free_q(_bna) (&(_bna)->mcam_mod.free_q)
 237
 238 #define bna_mcam_mod_del_q(_bna) (&(_bna)->mcam_mod.del_q)
 239
 240 #define bna_ucam_mod_free_q(_bna) (&(_bna)->ucam_mod.free_q)
 241
 242 #define bna_ucam_mod_del_q(_bna) (&(_bna)->ucam_mod.del_q)
 243
 244 /*  Inline functions  */
 245
 246 static inline struct bna_mac *bna_mac_find(struct list_head *q, const u8 *addr)
 247 {
 248         struct bna_mac *mac;
 249
 250         list_for_each_entry(mac, q, qe)
 251                 if (ether_addr_equal(mac->addr, addr))
 252                         return mac;
 253         return NULL;
 254 }
 255
 256 #define bna_attr(_bna) (&(_bna)->ioceth.attr)
 257
 258 /* Function prototypes */
 259
 260 /* BNA */
 261
 262 /* FW response handlers */
 263 void bna_bfi_stats_clr_rsp(struct bna *bna, struct bfi_msgq_mhdr *msghdr);
 264
 265 /* APIs for BNAD */
 266 void bna_res_req(struct bna_res_info *res_info);
 267 void bna_mod_res_req(struct bna *bna, struct bna_res_info *res_info);
 268 void bna_init(struct bna *bna, struct bnad *bnad,
 269                         struct bfa_pcidev *pcidev,
 270                         struct bna_res_info *res_info);
 271 void bna_mod_init(struct bna *bna, struct bna_res_info *res_info);
 272 void bna_uninit(struct bna *bna);
 273 int bna_num_txq_set(struct bna *bna, int num_txq);
 274 int bna_num_rxp_set(struct bna *bna, int num_rxp);
 275 void bna_hw_stats_get(struct bna *bna);
 276
 277 /* APIs for RxF */
 278 struct bna_mac *bna_cam_mod_mac_get(struct list_head *head);
 279 struct bna_mcam_handle *bna_mcam_mod_handle_get(struct bna_mcam_mod *mod);
 280 void bna_mcam_mod_handle_put(struct bna_mcam_mod *mcam_mod,
 281                           struct bna_mcam_handle *handle);
 282
 283 /* MBOX */
 284
 285 /* API for BNAD */
 286 void bna_mbox_handler(struct bna *bna, u32 intr_status);
 287
 288 /* ETHPORT */
 289
 290 /* Callbacks for RX */
 291 void bna_ethport_cb_rx_started(struct bna_ethport *ethport);
 292 void bna_ethport_cb_rx_stopped(struct bna_ethport *ethport);
 293
 294 /* TX MODULE AND TX */
 295
 296 /* FW response handelrs */
 297 void bna_bfi_tx_enet_start_rsp(struct bna_tx *tx,
 298                                struct bfi_msgq_mhdr *msghdr);
 299 void bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx,
 300                               struct bfi_msgq_mhdr *msghdr);
 301 void bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod);
 302
 303 /* APIs for BNA */
 304 void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
 305                      struct bna_res_info *res_info);
 306 void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod);
 307
 308 /* APIs for ENET */
 309 void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
 310 void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
 311 void bna_tx_mod_fail(struct bna_tx_mod *tx_mod);
 312
 313 /* APIs for BNAD */
 314 void bna_tx_res_req(int num_txq, int txq_depth,
 315                     struct bna_res_info *res_info);
 316 struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad,
 317                                struct bna_tx_config *tx_cfg,
 318                                const struct bna_tx_event_cbfn *tx_cbfn,
 319                                struct bna_res_info *res_info, void *priv);
 320 void bna_tx_destroy(struct bna_tx *tx);
 321 void bna_tx_enable(struct bna_tx *tx);
 322 void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
 323                     void (*cbfn)(void *, struct bna_tx *));
 324 void bna_tx_cleanup_complete(struct bna_tx *tx);
 325 void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo);
 326
 327 /* RX MODULE, RX, RXF */
 328
 329 /* FW response handlers */
 330 void bna_bfi_rx_enet_start_rsp(struct bna_rx *rx,
 331                                struct bfi_msgq_mhdr *msghdr);
 332 void bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx,
 333                               struct bfi_msgq_mhdr *msghdr);
 334 void bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr);
 335 void bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
 336                                struct bfi_msgq_mhdr *msghdr);
 337 void bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf,
 338                                struct bfi_msgq_mhdr *msghdr);
 339
 340 /* APIs for BNA */
 341 void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
 342                      struct bna_res_info *res_info);
 343 void bna_rx_mod_uninit(struct bna_rx_mod *rx_mod);
 344
 345 /* APIs for ENET */
 346 void bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type);
 347 void bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type);
 348 void bna_rx_mod_fail(struct bna_rx_mod *rx_mod);
 349
 350 /* APIs for BNAD */
 351 void bna_rx_res_req(struct bna_rx_config *rx_config,
 352                     struct bna_res_info *res_info);
 353 struct bna_rx *bna_rx_create(struct bna *bna, struct bnad *bnad,
 354                                struct bna_rx_config *rx_cfg,
 355                                const struct bna_rx_event_cbfn *rx_cbfn,
 356                                struct bna_res_info *res_info, void *priv);
 357 void bna_rx_destroy(struct bna_rx *rx);
 358 void bna_rx_enable(struct bna_rx *rx);
 359 void bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
 360                     void (*cbfn)(void *, struct bna_rx *));
 361 void bna_rx_cleanup_complete(struct bna_rx *rx);
 362 void bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo);
 363 void bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]);
 364 void bna_rx_dim_update(struct bna_ccb *ccb);
 365 enum bna_cb_status bna_rx_ucast_set(struct bna_rx *rx, const u8 *ucmac);
 366 enum bna_cb_status bna_rx_ucast_listset(struct bna_rx *rx, int count,
 367                                         const u8 *uclist);
 368 enum bna_cb_status bna_rx_mcast_add(struct bna_rx *rx, const u8 *mcmac,
 369                                     void (*cbfn)(struct bnad *,
 370                                                  struct bna_rx *));
 371 enum bna_cb_status bna_rx_mcast_listset(struct bna_rx *rx, int count,
 372                                         const u8 *mcmac);
 373 void
 374 bna_rx_mcast_delall(struct bna_rx *rx);
 375 enum bna_cb_status
 376 bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode,
 377                 enum bna_rxmode bitmask);
 378 void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id);
 379 void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id);
 380 void bna_rx_vlanfilter_enable(struct bna_rx *rx);
 381 void bna_rx_vlan_strip_enable(struct bna_rx *rx);
 382 void bna_rx_vlan_strip_disable(struct bna_rx *rx);
 383 /* ENET */
 384
 385 /* API for RX */
 386 int bna_enet_mtu_get(struct bna_enet *enet);
 387
 388 /* Callbacks for TX, RX */
 389 void bna_enet_cb_tx_stopped(struct bna_enet *enet);
 390 void bna_enet_cb_rx_stopped(struct bna_enet *enet);
 391
 392 /* API for BNAD */
 393 void bna_enet_enable(struct bna_enet *enet);
 394 void bna_enet_disable(struct bna_enet *enet, enum bna_cleanup_type type,
 395                       void (*cbfn)(void *));
 396 void bna_enet_pause_config(struct bna_enet *enet,
 397                            struct bna_pause_config *pause_config);
 398 void bna_enet_mtu_set(struct bna_enet *enet, int mtu,
 399                       void (*cbfn)(struct bnad *));
 400 void bna_enet_perm_mac_get(struct bna_enet *enet, u8 *mac);
 401
 402 /* IOCETH */
 403
 404 /* APIs for BNAD */
 405 void bna_ioceth_enable(struct bna_ioceth *ioceth);
 406 void bna_ioceth_disable(struct bna_ioceth *ioceth,
 407                         enum bna_cleanup_type type);
 408
 409 /* BNAD */
 410
 411 /* Callbacks for ENET */
 412 void bnad_cb_ethport_link_status(struct bnad *bnad,
 413                               enum bna_link_status status);
 414
 415 /* Callbacks for IOCETH */
 416 void bnad_cb_ioceth_ready(struct bnad *bnad);
 417 void bnad_cb_ioceth_failed(struct bnad *bnad);
 418 void bnad_cb_ioceth_disabled(struct bnad *bnad);
 419 void bnad_cb_mbox_intr_enable(struct bnad *bnad);
 420 void bnad_cb_mbox_intr_disable(struct bnad *bnad);
 421
 422 /* Callbacks for BNA */
 423 void bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status,
 424                        struct bna_stats *stats);
 425
 426 #endif  /* __BNA_H__ */