drivers/net/bnxt/bnxt_reps.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2020 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include "bnxt.h"
   7 #include "bnxt_ring.h"
   8 #include "bnxt_reps.h"
   9 #include "bnxt_rxq.h"
  10 #include "bnxt_rxr.h"
  11 #include "bnxt_txq.h"
  12 #include "bnxt_txr.h"
  13 #include "bnxt_hwrm.h"
  14 #include "hsi_struct_def_dpdk.h"
  15
  16 static const struct eth_dev_ops bnxt_vf_rep_dev_ops = {
  17         .dev_infos_get = bnxt_vf_rep_dev_info_get_op,
  18         .dev_configure = bnxt_vf_rep_dev_configure_op,
  19         .dev_start = bnxt_vf_rep_dev_start_op,
  20         .rx_queue_setup = bnxt_vf_rep_rx_queue_setup_op,
  21         .rx_queue_release = bnxt_vf_rep_rx_queue_release_op,
  22         .tx_queue_setup = bnxt_vf_rep_tx_queue_setup_op,
  23         .tx_queue_release = bnxt_vf_rep_tx_queue_release_op,
  24         .link_update = bnxt_vf_rep_link_update_op,
  25         .dev_close = bnxt_vf_rep_dev_close_op,
  26         .dev_stop = bnxt_vf_rep_dev_stop_op,
  27         .stats_get = bnxt_vf_rep_stats_get_op,
  28         .stats_reset = bnxt_vf_rep_stats_reset_op,
  29 };
  30
  31 uint16_t
  32 bnxt_vfr_recv(struct bnxt *bp, uint16_t cfa_code, uint16_t queue_id,
  33               struct rte_mbuf *mbuf)
  34 {
  35         struct bnxt_sw_rx_bd *prod_rx_buf;
  36         struct bnxt_rx_ring_info *rep_rxr;
  37         struct bnxt_rx_queue *rep_rxq;
  38         struct rte_eth_dev *vfr_eth_dev;
  39         struct bnxt_vf_representor *vfr_bp;
  40         uint16_t vf_id;
  41         uint16_t mask;
  42         uint8_t que;
  43
  44         vf_id = bp->cfa_code_map[cfa_code];
  45         /* cfa_code is invalid OR vf_id > MAX REP. Assume normal Rx */
  46         if (vf_id == BNXT_VF_IDX_INVALID || vf_id > BNXT_MAX_VF_REPS)
  47                 return 1;
  48         vfr_eth_dev = bp->rep_info[vf_id].vfr_eth_dev;
  49         if (!vfr_eth_dev)
  50                 return 1;
  51         vfr_bp = vfr_eth_dev->data->dev_private;
  52         if (vfr_bp->rx_cfa_code != cfa_code) {
  53                 /* cfa_code not meant for this VF rep!!?? */
  54                 return 1;
  55         }
  56         /* If rxq_id happens to be > max rep_queue, use rxq0 */
  57         que = queue_id < BNXT_MAX_VF_REP_RINGS ? queue_id : 0;
  58         rep_rxq = vfr_bp->rx_queues[que];
  59         rep_rxr = rep_rxq->rx_ring;
  60         mask = rep_rxr->rx_ring_struct->ring_mask;
  61
  62         /* Put this mbuf on the RxQ of the Representor */
  63         prod_rx_buf =
  64                 &rep_rxr->rx_buf_ring[rep_rxr->rx_prod++ & mask];
  65         if (!prod_rx_buf->mbuf) {
  66                 prod_rx_buf->mbuf = mbuf;
  67                 vfr_bp->rx_bytes[que] += mbuf->pkt_len;
  68                 vfr_bp->rx_pkts[que]++;
  69         } else {
  70                 vfr_bp->rx_drop_bytes[que] += mbuf->pkt_len;
  71                 vfr_bp->rx_drop_pkts[que]++;
  72                 rte_free(mbuf); /* Representor Rx ring full, drop pkt */
  73         }
  74
  75         return 0;
  76 }
  77
  78 static uint16_t
  79 bnxt_vf_rep_rx_burst(void *rx_queue,
  80                      struct rte_mbuf **rx_pkts,
  81                      uint16_t nb_pkts)
  82 {
  83         struct bnxt_rx_queue *rxq = rx_queue;
  84         struct bnxt_sw_rx_bd *cons_rx_buf;
  85         struct bnxt_rx_ring_info *rxr;
  86         uint16_t nb_rx_pkts = 0;
  87         uint16_t mask, i;
  88
  89         if (!rxq)
  90                 return 0;
  91
  92         rxr = rxq->rx_ring;
  93         mask = rxr->rx_ring_struct->ring_mask;
  94         for (i = 0; i < nb_pkts; i++) {
  95                 cons_rx_buf = &rxr->rx_buf_ring[rxr->rx_cons & mask];
  96                 if (!cons_rx_buf->mbuf)
  97                         return nb_rx_pkts;
  98                 rx_pkts[nb_rx_pkts] = cons_rx_buf->mbuf;
  99                 rx_pkts[nb_rx_pkts]->port = rxq->port_id;
 100                 cons_rx_buf->mbuf = NULL;
 101                 nb_rx_pkts++;
 102                 rxr->rx_cons++;
 103         }
 104
 105         return nb_rx_pkts;
 106 }
 107
 108 static uint16_t
 109 bnxt_vf_rep_tx_burst(void *tx_queue,
 110                      struct rte_mbuf **tx_pkts,
 111                      __rte_unused uint16_t nb_pkts)
 112 {
 113         struct bnxt_vf_rep_tx_queue *vfr_txq = tx_queue;
 114         struct bnxt_tx_queue *ptxq;
 115         struct bnxt *parent;
 116         struct  bnxt_vf_representor *vf_rep_bp;
 117         int qid;
 118         int rc;
 119         int i;
 120
 121         if (!vfr_txq)
 122                 return 0;
 123
 124         qid = vfr_txq->txq->queue_id;
 125         vf_rep_bp = vfr_txq->bp;
 126         parent = vf_rep_bp->parent_dev->data->dev_private;
 127         pthread_mutex_lock(&parent->rep_info->vfr_lock);
 128         ptxq = parent->tx_queues[qid];
 129
 130         ptxq->tx_cfa_action = vf_rep_bp->tx_cfa_action;
 131
 132         for (i = 0; i < nb_pkts; i++) {
 133                 vf_rep_bp->tx_bytes[qid] += tx_pkts[i]->pkt_len;
 134                 vf_rep_bp->tx_pkts[qid]++;
 135         }
 136
 137         rc = bnxt_xmit_pkts(ptxq, tx_pkts, nb_pkts);
 138         ptxq->tx_cfa_action = 0;
 139         pthread_mutex_unlock(&parent->rep_info->vfr_lock);
 140
 141         return rc;
 142
 143         return 0;
 144 }
 145
 146 int bnxt_vf_representor_init(struct rte_eth_dev *eth_dev, void *params)
 147 {
 148         struct bnxt_vf_representor *vf_rep_bp = eth_dev->data->dev_private;
 149         struct bnxt_vf_representor *rep_params =
 150                                  (struct bnxt_vf_representor *)params;
 151         struct rte_eth_link *link;
 152         struct bnxt *parent_bp;
 153
 154         vf_rep_bp->vf_id = rep_params->vf_id;
 155         vf_rep_bp->switch_domain_id = rep_params->switch_domain_id;
 156         vf_rep_bp->parent_dev = rep_params->parent_dev;
 157
 158         eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
 159         eth_dev->data->representor_id = rep_params->vf_id;
 160
 161         rte_eth_random_addr(vf_rep_bp->dflt_mac_addr);
 162         memcpy(vf_rep_bp->mac_addr, vf_rep_bp->dflt_mac_addr,
 163                sizeof(vf_rep_bp->mac_addr));
 164         eth_dev->data->mac_addrs =
 165                 (struct rte_ether_addr *)&vf_rep_bp->mac_addr;
 166         eth_dev->dev_ops = &bnxt_vf_rep_dev_ops;
 167
 168         /* No data-path, but need stub Rx/Tx functions to avoid crash
 169          * when testing with ovs-dpdk
 170          */
 171         eth_dev->rx_pkt_burst = bnxt_vf_rep_rx_burst;
 172         eth_dev->tx_pkt_burst = bnxt_vf_rep_tx_burst;
 173         /* Link state. Inherited from PF or trusted VF */
 174         parent_bp = vf_rep_bp->parent_dev->data->dev_private;
 175         link = &parent_bp->eth_dev->data->dev_link;
 176
 177         eth_dev->data->dev_link.link_speed = link->link_speed;
 178         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 179         eth_dev->data->dev_link.link_status = link->link_status;
 180         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 181
 182         PMD_DRV_LOG(INFO, "calling bnxt_print_link_info\n");
 183         bnxt_print_link_info(eth_dev);
 184
 185         /* Pass the information to the rte_eth_dev_close() that it should also
 186          * release the private port resources.
 187          */
 188         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
 189         PMD_DRV_LOG(INFO,
 190                     "Switch domain id %d: Representor Device %d init done\n",
 191                     vf_rep_bp->switch_domain_id, vf_rep_bp->vf_id);
 192
 193         return 0;
 194 }
 195
 196 int bnxt_vf_representor_uninit(struct rte_eth_dev *eth_dev)
 197 {
 198         struct bnxt *parent_bp;
 199         struct bnxt_vf_representor *rep =
 200                 (struct bnxt_vf_representor *)eth_dev->data->dev_private;
 201
 202         uint16_t vf_id;
 203
 204         eth_dev->data->mac_addrs = NULL;
 205         eth_dev->dev_ops = NULL;
 206
 207         parent_bp = rep->parent_dev->data->dev_private;
 208         if (!parent_bp)
 209                 return 0;
 210
 211         parent_bp->num_reps--;
 212         vf_id = rep->vf_id;
 213         if (parent_bp->rep_info)
 214                 memset(&parent_bp->rep_info[vf_id], 0,
 215                        sizeof(parent_bp->rep_info[vf_id]));
 216                 /* mark that this representor has been freed */
 217         return 0;
 218 }
 219
 220 int bnxt_vf_rep_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_compl)
 221 {
 222         struct bnxt *parent_bp;
 223         struct bnxt_vf_representor *rep =
 224                 (struct bnxt_vf_representor *)eth_dev->data->dev_private;
 225         struct rte_eth_link *link;
 226         int rc;
 227
 228         parent_bp = rep->parent_dev->data->dev_private;
 229         rc = bnxt_link_update_op(parent_bp->eth_dev, wait_to_compl);
 230
 231         /* Link state. Inherited from PF or trusted VF */
 232         link = &parent_bp->eth_dev->data->dev_link;
 233
 234         eth_dev->data->dev_link.link_speed = link->link_speed;
 235         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 236         eth_dev->data->dev_link.link_status = link->link_status;
 237         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 238         bnxt_print_link_info(eth_dev);
 239
 240         return rc;
 241 }
 242
 243 static int bnxt_vfr_alloc(struct bnxt_vf_representor *vfr)
 244 {
 245         int rc = 0;
 246         struct bnxt *parent_bp;
 247
 248         if (!vfr || !vfr->parent_dev) {
 249                 PMD_DRV_LOG(ERR,
 250                             "No memory allocated for representor\n");
 251                 return -ENOMEM;
 252         }
 253
 254         parent_bp = vfr->parent_dev->data->dev_private;
 255
 256         /* Check if representor has been already allocated in FW */
 257         if (vfr->tx_cfa_action && vfr->rx_cfa_code)
 258                 return 0;
 259
 260         /*
 261          * Alloc VF rep rules in CFA after default VNIC is created.
 262          * Otherwise the FW will create the VF-rep rules with
 263          * default drop action.
 264          */
 265
 266         /*
 267          * This is where we need to replace invoking an HWRM cmd
 268          * with the new TFLIB ULP API to do more/less the same job
 269         rc = bnxt_hwrm_cfa_vfr_alloc(parent_bp,
 270                                      vfr->vf_id,
 271                                      &vfr->tx_cfa_action,
 272                                      &vfr->rx_cfa_code);
 273          */
 274         if (!rc) {
 275                 parent_bp->cfa_code_map[vfr->rx_cfa_code] = vfr->vf_id;
 276                 PMD_DRV_LOG(DEBUG, "allocated representor %d in FW\n",
 277                             vfr->vf_id);
 278         } else {
 279                 PMD_DRV_LOG(ERR,
 280                             "Failed to alloc representor %d in FW\n",
 281                             vfr->vf_id);
 282         }
 283
 284         return rc;
 285 }
 286
 287 static void bnxt_vf_rep_free_rx_mbufs(struct bnxt_vf_representor *rep_bp)
 288 {
 289         struct bnxt_rx_queue *rxq;
 290         unsigned int i;
 291
 292         for (i = 0; i < rep_bp->rx_nr_rings; i++) {
 293                 rxq = rep_bp->rx_queues[i];
 294                 bnxt_rx_queue_release_mbufs(rxq);
 295         }
 296 }
 297
 298 int bnxt_vf_rep_dev_start_op(struct rte_eth_dev *eth_dev)
 299 {
 300         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 301         int rc;
 302
 303         rc = bnxt_vfr_alloc(rep_bp);
 304
 305         if (!rc) {
 306                 eth_dev->rx_pkt_burst = &bnxt_vf_rep_rx_burst;
 307                 eth_dev->tx_pkt_burst = &bnxt_vf_rep_tx_burst;
 308
 309                 bnxt_vf_rep_link_update_op(eth_dev, 1);
 310         } else {
 311                 eth_dev->data->dev_link.link_status = 0;
 312                 bnxt_vf_rep_free_rx_mbufs(rep_bp);
 313         }
 314
 315         return rc;
 316 }
 317
 318 static int bnxt_vfr_free(struct bnxt_vf_representor *vfr)
 319 {
 320         int rc = 0;
 321         struct bnxt *parent_bp;
 322
 323         if (!vfr || !vfr->parent_dev) {
 324                 PMD_DRV_LOG(ERR,
 325                             "No memory allocated for representor\n");
 326                 return -ENOMEM;
 327         }
 328
 329         parent_bp = vfr->parent_dev->data->dev_private;
 330
 331         /* Check if representor has been already freed in FW */
 332         if (!vfr->tx_cfa_action && !vfr->rx_cfa_code)
 333                 return 0;
 334
 335         /*
 336          * This is where we need to replace invoking an HWRM cmd
 337          * with the new TFLIB ULP API to do more/less the same job
 338         rc = bnxt_hwrm_cfa_vfr_free(parent_bp,
 339                                     vfr->vf_id);
 340          */
 341         if (rc) {
 342                 PMD_DRV_LOG(ERR,
 343                             "Failed to free representor %d in FW\n",
 344                             vfr->vf_id);
 345                 return rc;
 346         }
 347
 348         parent_bp->cfa_code_map[vfr->rx_cfa_code] = BNXT_VF_IDX_INVALID;
 349         PMD_DRV_LOG(DEBUG, "freed representor %d in FW\n",
 350                     vfr->vf_id);
 351         vfr->tx_cfa_action = 0;
 352         vfr->rx_cfa_code = 0;
 353
 354         return rc;
 355 }
 356
 357 void bnxt_vf_rep_dev_stop_op(struct rte_eth_dev *eth_dev)
 358 {
 359         struct bnxt_vf_representor *vfr_bp = eth_dev->data->dev_private;
 360
 361         /* Avoid crashes as we are about to free queues */
 362         eth_dev->rx_pkt_burst = &bnxt_dummy_recv_pkts;
 363         eth_dev->tx_pkt_burst = &bnxt_dummy_xmit_pkts;
 364
 365         bnxt_vfr_free(vfr_bp);
 366
 367         if (eth_dev->data->dev_started)
 368                 eth_dev->data->dev_link.link_status = 0;
 369
 370         bnxt_vf_rep_free_rx_mbufs(vfr_bp);
 371 }
 372
 373 void bnxt_vf_rep_dev_close_op(struct rte_eth_dev *eth_dev)
 374 {
 375         bnxt_vf_representor_uninit(eth_dev);
 376 }
 377
 378 int bnxt_vf_rep_dev_info_get_op(struct rte_eth_dev *eth_dev,
 379                                 struct rte_eth_dev_info *dev_info)
 380 {
 381         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 382         struct bnxt *parent_bp;
 383         uint16_t max_vnics, i, j, vpool, vrxq;
 384         unsigned int max_rx_rings;
 385         int rc = 0;
 386
 387         /* MAC Specifics */
 388         parent_bp = rep_bp->parent_dev->data->dev_private;
 389         if (!parent_bp) {
 390                 PMD_DRV_LOG(ERR, "Rep parent NULL!\n");
 391                 return rc;
 392         }
 393         PMD_DRV_LOG(DEBUG, "Representor dev_info_get_op\n");
 394         dev_info->max_mac_addrs = parent_bp->max_l2_ctx;
 395         dev_info->max_hash_mac_addrs = 0;
 396
 397         max_rx_rings = BNXT_MAX_VF_REP_RINGS;
 398         /* For the sake of symmetry, max_rx_queues = max_tx_queues */
 399         dev_info->max_rx_queues = max_rx_rings;
 400         dev_info->max_tx_queues = max_rx_rings;
 401         dev_info->reta_size = bnxt_rss_hash_tbl_size(parent_bp);
 402         dev_info->hash_key_size = 40;
 403         max_vnics = parent_bp->max_vnics;
 404
 405         /* MTU specifics */
 406         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 407         dev_info->max_mtu = BNXT_MAX_MTU;
 408
 409         /* Fast path specifics */
 410         dev_info->min_rx_bufsize = 1;
 411         dev_info->max_rx_pktlen = BNXT_MAX_PKT_LEN;
 412
 413         dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
 414         if (parent_bp->flags & BNXT_FLAG_PTP_SUPPORTED)
 415                 dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_TIMESTAMP;
 416         dev_info->tx_offload_capa = BNXT_DEV_TX_OFFLOAD_SUPPORT;
 417         dev_info->flow_type_rss_offloads = BNXT_ETH_RSS_SUPPORT;
 418
 419         /* *INDENT-OFF* */
 420         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 421                 .rx_thresh = {
 422                         .pthresh = 8,
 423                         .hthresh = 8,
 424                         .wthresh = 0,
 425                 },
 426                 .rx_free_thresh = 32,
 427                 /* If no descriptors available, pkts are dropped by default */
 428                 .rx_drop_en = 1,
 429         };
 430
 431         dev_info->default_txconf = (struct rte_eth_txconf) {
 432                 .tx_thresh = {
 433                         .pthresh = 32,
 434                         .hthresh = 0,
 435                         .wthresh = 0,
 436                 },
 437                 .tx_free_thresh = 32,
 438                 .tx_rs_thresh = 32,
 439         };
 440         eth_dev->data->dev_conf.intr_conf.lsc = 1;
 441
 442         eth_dev->data->dev_conf.intr_conf.rxq = 1;
 443         dev_info->rx_desc_lim.nb_min = BNXT_MIN_RING_DESC;
 444         dev_info->rx_desc_lim.nb_max = BNXT_MAX_RX_RING_DESC;
 445         dev_info->tx_desc_lim.nb_min = BNXT_MIN_RING_DESC;
 446         dev_info->tx_desc_lim.nb_max = BNXT_MAX_TX_RING_DESC;
 447
 448         /* *INDENT-ON* */
 449
 450         /*
 451          * TODO: default_rxconf, default_txconf, rx_desc_lim, and tx_desc_lim
 452          *       need further investigation.
 453          */
 454
 455         /* VMDq resources */
 456         vpool = 64; /* ETH_64_POOLS */
 457         vrxq = 128; /* ETH_VMDQ_DCB_NUM_QUEUES */
 458         for (i = 0; i < 4; vpool >>= 1, i++) {
 459                 if (max_vnics > vpool) {
 460                         for (j = 0; j < 5; vrxq >>= 1, j++) {
 461                                 if (dev_info->max_rx_queues > vrxq) {
 462                                         if (vpool > vrxq)
 463                                                 vpool = vrxq;
 464                                         goto found;
 465                                 }
 466                         }
 467                         /* Not enough resources to support VMDq */
 468                         break;
 469                 }
 470         }
 471         /* Not enough resources to support VMDq */
 472         vpool = 0;
 473         vrxq = 0;
 474 found:
 475         dev_info->max_vmdq_pools = vpool;
 476         dev_info->vmdq_queue_num = vrxq;
 477
 478         dev_info->vmdq_pool_base = 0;
 479         dev_info->vmdq_queue_base = 0;
 480
 481         return 0;
 482 }
 483
 484 int bnxt_vf_rep_dev_configure_op(__rte_unused struct rte_eth_dev *eth_dev)
 485 {
 486         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 487
 488         PMD_DRV_LOG(DEBUG, "Representor dev_configure_op\n");
 489         rep_bp->rx_queues = (void *)eth_dev->data->rx_queues;
 490         rep_bp->tx_nr_rings = eth_dev->data->nb_tx_queues;
 491         rep_bp->rx_nr_rings = eth_dev->data->nb_rx_queues;
 492
 493         return 0;
 494 }
 495
 496 int bnxt_vf_rep_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
 497                           uint16_t queue_idx,
 498                           uint16_t nb_desc,
 499                           unsigned int socket_id,
 500                           __rte_unused const struct rte_eth_rxconf *rx_conf,
 501                           __rte_unused struct rte_mempool *mp)
 502 {
 503         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 504         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 505         struct bnxt_rx_queue *parent_rxq;
 506         struct bnxt_rx_queue *rxq;
 507         struct bnxt_sw_rx_bd *buf_ring;
 508         int rc = 0;
 509
 510         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 511                 PMD_DRV_LOG(ERR,
 512                             "Cannot create Rx ring %d. %d rings available\n",
 513                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 514                 return -EINVAL;
 515         }
 516
 517         if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
 518                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid\n", nb_desc);
 519                 return -EINVAL;
 520         }
 521
 522         parent_rxq = parent_bp->rx_queues[queue_idx];
 523         if (!parent_rxq) {
 524                 PMD_DRV_LOG(ERR, "Parent RxQ has not been configured yet\n");
 525                 return -EINVAL;
 526         }
 527
 528         if (nb_desc != parent_rxq->nb_rx_desc) {
 529                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent rxq", nb_desc);
 530                 return -EINVAL;
 531         }
 532
 533         if (eth_dev->data->rx_queues) {
 534                 rxq = eth_dev->data->rx_queues[queue_idx];
 535                 if (rxq)
 536                         bnxt_rx_queue_release_op(rxq);
 537         }
 538
 539         rxq = rte_zmalloc_socket("bnxt_vfr_rx_queue",
 540                                  sizeof(struct bnxt_rx_queue),
 541                                  RTE_CACHE_LINE_SIZE, socket_id);
 542         if (!rxq) {
 543                 PMD_DRV_LOG(ERR, "bnxt_vfr_rx_queue allocation failed!\n");
 544                 return -ENOMEM;
 545         }
 546
 547         rxq->nb_rx_desc = nb_desc;
 548
 549         rc = bnxt_init_rx_ring_struct(rxq, socket_id);
 550         if (rc)
 551                 goto out;
 552
 553         buf_ring = rte_zmalloc_socket("bnxt_rx_vfr_buf_ring",
 554                                       sizeof(struct bnxt_sw_rx_bd) *
 555                                       rxq->rx_ring->rx_ring_struct->ring_size,
 556                                       RTE_CACHE_LINE_SIZE, socket_id);
 557         if (!buf_ring) {
 558                 PMD_DRV_LOG(ERR, "bnxt_rx_vfr_buf_ring allocation failed!\n");
 559                 rc = -ENOMEM;
 560                 goto out;
 561         }
 562
 563         rxq->rx_ring->rx_buf_ring = buf_ring;
 564         rxq->queue_id = queue_idx;
 565         rxq->port_id = eth_dev->data->port_id;
 566         eth_dev->data->rx_queues[queue_idx] = rxq;
 567
 568         return 0;
 569
 570 out:
 571         if (rxq)
 572                 bnxt_rx_queue_release_op(rxq);
 573
 574         return rc;
 575 }
 576
 577 void bnxt_vf_rep_rx_queue_release_op(void *rx_queue)
 578 {
 579         struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
 580
 581         if (!rxq)
 582                 return;
 583
 584         bnxt_rx_queue_release_mbufs(rxq);
 585
 586         bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
 587         bnxt_free_ring(rxq->rx_ring->ag_ring_struct);
 588         bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
 589
 590         rte_free(rxq);
 591 }
 592
 593 int bnxt_vf_rep_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
 594                           uint16_t queue_idx,
 595                           uint16_t nb_desc,
 596                           unsigned int socket_id,
 597                           __rte_unused const struct rte_eth_txconf *tx_conf)
 598 {
 599         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 600         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 601         struct bnxt_tx_queue *parent_txq, *txq;
 602         struct bnxt_vf_rep_tx_queue *vfr_txq;
 603
 604         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 605                 PMD_DRV_LOG(ERR,
 606                             "Cannot create Tx rings %d. %d rings available\n",
 607                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 608                 return -EINVAL;
 609         }
 610
 611         if (!nb_desc || nb_desc > MAX_TX_DESC_CNT) {
 612                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
 613                 return -EINVAL;
 614         }
 615
 616         parent_txq = parent_bp->tx_queues[queue_idx];
 617         if (!parent_txq) {
 618                 PMD_DRV_LOG(ERR, "Parent TxQ has not been configured yet\n");
 619                 return -EINVAL;
 620         }
 621
 622         if (nb_desc != parent_txq->nb_tx_desc) {
 623                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent txq", nb_desc);
 624                 return -EINVAL;
 625         }
 626
 627         if (eth_dev->data->tx_queues) {
 628                 vfr_txq = eth_dev->data->tx_queues[queue_idx];
 629                 bnxt_vf_rep_tx_queue_release_op(vfr_txq);
 630                 vfr_txq = NULL;
 631         }
 632
 633         vfr_txq = rte_zmalloc_socket("bnxt_vfr_tx_queue",
 634                                      sizeof(struct bnxt_vf_rep_tx_queue),
 635                                      RTE_CACHE_LINE_SIZE, socket_id);
 636         if (!vfr_txq) {
 637                 PMD_DRV_LOG(ERR, "bnxt_vfr_tx_queue allocation failed!");
 638                 return -ENOMEM;
 639         }
 640         txq = rte_zmalloc_socket("bnxt_tx_queue",
 641                                  sizeof(struct bnxt_tx_queue),
 642                                  RTE_CACHE_LINE_SIZE, socket_id);
 643         if (!txq) {
 644                 PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
 645                 rte_free(vfr_txq);
 646                 return -ENOMEM;
 647         }
 648
 649         txq->nb_tx_desc = nb_desc;
 650         txq->queue_id = queue_idx;
 651         txq->port_id = eth_dev->data->port_id;
 652         vfr_txq->txq = txq;
 653         vfr_txq->bp = rep_bp;
 654         eth_dev->data->tx_queues[queue_idx] = vfr_txq;
 655
 656         return 0;
 657 }
 658
 659 void bnxt_vf_rep_tx_queue_release_op(void *tx_queue)
 660 {
 661         struct bnxt_vf_rep_tx_queue *vfr_txq = tx_queue;
 662
 663         if (!vfr_txq)
 664                 return;
 665
 666         rte_free(vfr_txq->txq);
 667         rte_free(vfr_txq);
 668 }
 669
 670 int bnxt_vf_rep_stats_get_op(struct rte_eth_dev *eth_dev,
 671                              struct rte_eth_stats *stats)
 672 {
 673         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 674         int i;
 675
 676         memset(stats, 0, sizeof(*stats));
 677         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 678                 stats->obytes += rep_bp->tx_bytes[i];
 679                 stats->opackets += rep_bp->tx_pkts[i];
 680                 stats->ibytes += rep_bp->rx_bytes[i];
 681                 stats->ipackets += rep_bp->rx_pkts[i];
 682                 stats->imissed += rep_bp->rx_drop_pkts[i];
 683
 684                 stats->q_ipackets[i] = rep_bp->rx_pkts[i];
 685                 stats->q_ibytes[i] = rep_bp->rx_bytes[i];
 686                 stats->q_opackets[i] = rep_bp->tx_pkts[i];
 687                 stats->q_obytes[i] = rep_bp->tx_bytes[i];
 688                 stats->q_errors[i] = rep_bp->rx_drop_pkts[i];
 689         }
 690
 691         return 0;
 692 }
 693
 694 int bnxt_vf_rep_stats_reset_op(struct rte_eth_dev *eth_dev)
 695 {
 696         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 697         int i;
 698
 699         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 700                 rep_bp->tx_pkts[i] = 0;
 701                 rep_bp->tx_bytes[i] = 0;
 702                 rep_bp->rx_pkts[i] = 0;
 703                 rep_bp->rx_bytes[i] = 0;
 704                 rep_bp->rx_drop_pkts[i] = 0;
 705         }
 706         return 0;
 707 }