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 #include "bnxt_tf_common.h"
  16 #include "ulp_port_db.h"
  17 #include "ulp_flow_db.h"
  18
  19 static const struct eth_dev_ops bnxt_vf_rep_dev_ops = {
  20         .dev_infos_get = bnxt_vf_rep_dev_info_get_op,
  21         .dev_configure = bnxt_vf_rep_dev_configure_op,
  22         .dev_start = bnxt_vf_rep_dev_start_op,
  23         .rx_queue_setup = bnxt_vf_rep_rx_queue_setup_op,
  24         .rx_queue_release = bnxt_vf_rep_rx_queue_release_op,
  25         .tx_queue_setup = bnxt_vf_rep_tx_queue_setup_op,
  26         .tx_queue_release = bnxt_vf_rep_tx_queue_release_op,
  27         .link_update = bnxt_vf_rep_link_update_op,
  28         .dev_close = bnxt_vf_rep_dev_close_op,
  29         .dev_stop = bnxt_vf_rep_dev_stop_op,
  30         .stats_get = bnxt_vf_rep_stats_get_op,
  31         .stats_reset = bnxt_vf_rep_stats_reset_op,
  32         .filter_ctrl = bnxt_filter_ctrl_op
  33 };
  34
  35 uint16_t
  36 bnxt_vfr_recv(uint16_t port_id, uint16_t queue_id, struct rte_mbuf *mbuf)
  37 {
  38         struct bnxt_sw_rx_bd *prod_rx_buf;
  39         struct bnxt_rx_ring_info *rep_rxr;
  40         struct bnxt_rx_queue *rep_rxq;
  41         struct rte_eth_dev *vfr_eth_dev;
  42         struct bnxt_vf_representor *vfr_bp;
  43         uint16_t mask;
  44         uint8_t que;
  45
  46         vfr_eth_dev = &rte_eth_devices[port_id];
  47         if (!vfr_eth_dev)
  48                 return 1;
  49         vfr_bp = vfr_eth_dev->data->dev_private;
  50         /* If rxq_id happens to be > max rep_queue, use rxq0 */
  51         que = queue_id < BNXT_MAX_VF_REP_RINGS ? queue_id : 0;
  52         rep_rxq = vfr_bp->rx_queues[que];
  53         rep_rxr = rep_rxq->rx_ring;
  54         mask = rep_rxr->rx_ring_struct->ring_mask;
  55
  56         /* Put this mbuf on the RxQ of the Representor */
  57         prod_rx_buf =
  58                 &rep_rxr->rx_buf_ring[rep_rxr->rx_prod++ & mask];
  59         if (!prod_rx_buf->mbuf) {
  60                 prod_rx_buf->mbuf = mbuf;
  61                 vfr_bp->rx_bytes[que] += mbuf->pkt_len;
  62                 vfr_bp->rx_pkts[que]++;
  63         } else {
  64                 vfr_bp->rx_drop_bytes[que] += mbuf->pkt_len;
  65                 vfr_bp->rx_drop_pkts[que]++;
  66                 rte_free(mbuf); /* Representor Rx ring full, drop pkt */
  67         }
  68
  69         return 0;
  70 }
  71
  72 static uint16_t
  73 bnxt_vf_rep_rx_burst(void *rx_queue,
  74                      struct rte_mbuf **rx_pkts,
  75                      uint16_t nb_pkts)
  76 {
  77         struct bnxt_rx_queue *rxq = rx_queue;
  78         struct bnxt_sw_rx_bd *cons_rx_buf;
  79         struct bnxt_rx_ring_info *rxr;
  80         uint16_t nb_rx_pkts = 0;
  81         uint16_t mask, i;
  82
  83         if (!rxq)
  84                 return 0;
  85
  86         rxr = rxq->rx_ring;
  87         mask = rxr->rx_ring_struct->ring_mask;
  88         for (i = 0; i < nb_pkts; i++) {
  89                 cons_rx_buf = &rxr->rx_buf_ring[rxr->rx_cons & mask];
  90                 if (!cons_rx_buf->mbuf)
  91                         return nb_rx_pkts;
  92                 rx_pkts[nb_rx_pkts] = cons_rx_buf->mbuf;
  93                 rx_pkts[nb_rx_pkts]->port = rxq->port_id;
  94                 cons_rx_buf->mbuf = NULL;
  95                 nb_rx_pkts++;
  96                 rxr->rx_cons++;
  97         }
  98
  99         return nb_rx_pkts;
 100 }
 101
 102 static uint16_t
 103 bnxt_vf_rep_tx_burst(void *tx_queue,
 104                      struct rte_mbuf **tx_pkts,
 105                      __rte_unused uint16_t nb_pkts)
 106 {
 107         struct bnxt_vf_rep_tx_queue *vfr_txq = tx_queue;
 108         struct bnxt_tx_queue *ptxq;
 109         struct bnxt *parent;
 110         struct  bnxt_vf_representor *vf_rep_bp;
 111         int qid;
 112         int rc;
 113         int i;
 114
 115         if (!vfr_txq)
 116                 return 0;
 117
 118         qid = vfr_txq->txq->queue_id;
 119         vf_rep_bp = vfr_txq->bp;
 120         parent = vf_rep_bp->parent_dev->data->dev_private;
 121         pthread_mutex_lock(&parent->rep_info->vfr_lock);
 122         ptxq = parent->tx_queues[qid];
 123
 124         ptxq->vfr_tx_cfa_action = vf_rep_bp->vfr_tx_cfa_action;
 125
 126         for (i = 0; i < nb_pkts; i++) {
 127                 vf_rep_bp->tx_bytes[qid] += tx_pkts[i]->pkt_len;
 128                 vf_rep_bp->tx_pkts[qid]++;
 129         }
 130
 131         rc = bnxt_xmit_pkts(ptxq, tx_pkts, nb_pkts);
 132         ptxq->vfr_tx_cfa_action = 0;
 133         pthread_mutex_unlock(&parent->rep_info->vfr_lock);
 134
 135         return rc;
 136 }
 137
 138 static int
 139 bnxt_get_dflt_vnic_svif(struct bnxt *bp, struct bnxt_vf_representor *vf_rep_bp)
 140 {
 141         struct bnxt_rep_info *rep_info;
 142         int rc;
 143
 144         rc = bnxt_hwrm_get_dflt_vnic_svif(bp, vf_rep_bp->fw_fid,
 145                                           &vf_rep_bp->dflt_vnic_id,
 146                                           &vf_rep_bp->svif);
 147         if (rc) {
 148                 PMD_DRV_LOG(ERR, "Failed to get default vnic id of VF\n");
 149                 vf_rep_bp->dflt_vnic_id = BNXT_DFLT_VNIC_ID_INVALID;
 150                 vf_rep_bp->svif = BNXT_SVIF_INVALID;
 151         } else {
 152                 PMD_DRV_LOG(INFO, "vf_rep->dflt_vnic_id = %d\n",
 153                                 vf_rep_bp->dflt_vnic_id);
 154         }
 155         if (vf_rep_bp->dflt_vnic_id != BNXT_DFLT_VNIC_ID_INVALID &&
 156             vf_rep_bp->svif != BNXT_SVIF_INVALID) {
 157                 rep_info = &bp->rep_info[vf_rep_bp->vf_id];
 158                 rep_info->conduit_valid = true;
 159         }
 160
 161         return rc;
 162 }
 163
 164 int bnxt_vf_representor_init(struct rte_eth_dev *eth_dev, void *params)
 165 {
 166         struct bnxt_vf_representor *vf_rep_bp = eth_dev->data->dev_private;
 167         struct bnxt_vf_representor *rep_params =
 168                                  (struct bnxt_vf_representor *)params;
 169         struct rte_eth_link *link;
 170         struct bnxt *parent_bp;
 171
 172         vf_rep_bp->vf_id = rep_params->vf_id;
 173         vf_rep_bp->switch_domain_id = rep_params->switch_domain_id;
 174         vf_rep_bp->parent_dev = rep_params->parent_dev;
 175
 176         eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
 177         eth_dev->data->representor_id = rep_params->vf_id;
 178
 179         rte_eth_random_addr(vf_rep_bp->dflt_mac_addr);
 180         memcpy(vf_rep_bp->mac_addr, vf_rep_bp->dflt_mac_addr,
 181                sizeof(vf_rep_bp->mac_addr));
 182         eth_dev->data->mac_addrs =
 183                 (struct rte_ether_addr *)&vf_rep_bp->mac_addr;
 184         eth_dev->dev_ops = &bnxt_vf_rep_dev_ops;
 185
 186         /* No data-path, but need stub Rx/Tx functions to avoid crash
 187          * when testing with ovs-dpdk
 188          */
 189         eth_dev->rx_pkt_burst = bnxt_vf_rep_rx_burst;
 190         eth_dev->tx_pkt_burst = bnxt_vf_rep_tx_burst;
 191         /* Link state. Inherited from PF or trusted VF */
 192         parent_bp = vf_rep_bp->parent_dev->data->dev_private;
 193         link = &parent_bp->eth_dev->data->dev_link;
 194
 195         eth_dev->data->dev_link.link_speed = link->link_speed;
 196         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 197         eth_dev->data->dev_link.link_status = link->link_status;
 198         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 199
 200         PMD_DRV_LOG(INFO, "calling bnxt_print_link_info\n");
 201         bnxt_print_link_info(eth_dev);
 202
 203         /* Pass the information to the rte_eth_dev_close() that it should also
 204          * release the private port resources.
 205          */
 206         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
 207         PMD_DRV_LOG(INFO,
 208                     "Switch domain id %d: Representor Device %d init done\n",
 209                     vf_rep_bp->switch_domain_id, vf_rep_bp->vf_id);
 210
 211         vf_rep_bp->fw_fid = rep_params->vf_id + parent_bp->first_vf_id;
 212         PMD_DRV_LOG(INFO, "vf_rep->fw_fid = %d\n", vf_rep_bp->fw_fid);
 213
 214         return 0;
 215 }
 216
 217 int bnxt_vf_representor_uninit(struct rte_eth_dev *eth_dev)
 218 {
 219         struct bnxt *parent_bp;
 220         struct bnxt_vf_representor *rep =
 221                 (struct bnxt_vf_representor *)eth_dev->data->dev_private;
 222
 223         uint16_t vf_id;
 224
 225         eth_dev->data->mac_addrs = NULL;
 226         eth_dev->dev_ops = NULL;
 227
 228         parent_bp = rep->parent_dev->data->dev_private;
 229         if (!parent_bp)
 230                 return 0;
 231
 232         parent_bp->num_reps--;
 233         vf_id = rep->vf_id;
 234         if (parent_bp->rep_info)
 235                 memset(&parent_bp->rep_info[vf_id], 0,
 236                        sizeof(parent_bp->rep_info[vf_id]));
 237                 /* mark that this representor has been freed */
 238         return 0;
 239 }
 240
 241 int bnxt_vf_rep_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_compl)
 242 {
 243         struct bnxt *parent_bp;
 244         struct bnxt_vf_representor *rep =
 245                 (struct bnxt_vf_representor *)eth_dev->data->dev_private;
 246         struct rte_eth_link *link;
 247         int rc;
 248
 249         parent_bp = rep->parent_dev->data->dev_private;
 250         if (!parent_bp)
 251                 return 0;
 252
 253         rc = bnxt_link_update_op(parent_bp->eth_dev, wait_to_compl);
 254
 255         /* Link state. Inherited from PF or trusted VF */
 256         link = &parent_bp->eth_dev->data->dev_link;
 257
 258         eth_dev->data->dev_link.link_speed = link->link_speed;
 259         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 260         eth_dev->data->dev_link.link_status = link->link_status;
 261         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 262         bnxt_print_link_info(eth_dev);
 263
 264         return rc;
 265 }
 266
 267 static int bnxt_tf_vfr_alloc(struct rte_eth_dev *vfr_ethdev)
 268 {
 269         int rc;
 270         struct bnxt_vf_representor *vfr = vfr_ethdev->data->dev_private;
 271         struct rte_eth_dev *parent_dev = vfr->parent_dev;
 272         struct bnxt *parent_bp = parent_dev->data->dev_private;
 273         uint16_t vfr_port_id = vfr_ethdev->data->port_id;
 274         struct ulp_tlv_param param_list[] = {
 275                 {
 276                         .type = BNXT_ULP_DF_PARAM_TYPE_DEV_PORT_ID,
 277                         .length = 2,
 278                         .value = {(vfr_port_id >> 8) & 0xff, vfr_port_id & 0xff}
 279                 },
 280                 {
 281                         .type = BNXT_ULP_DF_PARAM_TYPE_LAST,
 282                         .length = 0,
 283                         .value = {0}
 284                 }
 285         };
 286
 287         ulp_port_db_dev_port_intf_update(parent_bp->ulp_ctx, vfr_ethdev);
 288
 289         rc = ulp_default_flow_create(parent_dev, param_list,
 290                                      BNXT_ULP_DF_TPL_VFREP_TO_VF,
 291                                      &vfr->rep2vf_flow_id);
 292         if (rc) {
 293                 BNXT_TF_DBG(DEBUG,
 294                             "Default flow rule creation for VFR->VF failed!\n");
 295                 goto err;
 296         }
 297
 298         BNXT_TF_DBG(DEBUG, "*** Default flow rule created for VFR->VF! ***\n");
 299         BNXT_TF_DBG(DEBUG, "rep2vf_flow_id = %d\n", vfr->rep2vf_flow_id);
 300         rc = ulp_default_flow_db_cfa_action_get(parent_bp->ulp_ctx,
 301                                                 vfr->rep2vf_flow_id,
 302                                                 &vfr->vfr_tx_cfa_action);
 303         if (rc) {
 304                 BNXT_TF_DBG(DEBUG,
 305                             "Failed to get action_ptr for VFR->VF dflt rule\n");
 306                 goto rep2vf_free;
 307         }
 308         BNXT_TF_DBG(DEBUG, "tx_cfa_action = %d\n", vfr->vfr_tx_cfa_action);
 309         rc = ulp_default_flow_create(parent_dev, param_list,
 310                                      BNXT_ULP_DF_TPL_VF_TO_VFREP,
 311                                      &vfr->vf2rep_flow_id);
 312         if (rc) {
 313                 BNXT_TF_DBG(DEBUG,
 314                             "Default flow rule creation for VF->VFR failed!\n");
 315                 goto rep2vf_free;
 316         }
 317
 318         BNXT_TF_DBG(DEBUG, "*** Default flow rule created for VF->VFR! ***\n");
 319         BNXT_TF_DBG(DEBUG, "vfr2rep_flow_id = %d\n", vfr->vf2rep_flow_id);
 320
 321         rc = bnxt_hwrm_cfa_vfr_alloc(parent_bp, vfr->vf_id);
 322         if (rc)
 323                 goto vf2rep_free;
 324
 325         return 0;
 326
 327 vf2rep_free:
 328         ulp_default_flow_destroy(vfr->parent_dev, vfr->vf2rep_flow_id);
 329 rep2vf_free:
 330         ulp_default_flow_destroy(vfr->parent_dev, vfr->rep2vf_flow_id);
 331 err:
 332         return -EIO;
 333 }
 334
 335 static int bnxt_vfr_alloc(struct rte_eth_dev *vfr_ethdev)
 336 {
 337         int rc = 0;
 338         struct bnxt_vf_representor *vfr = vfr_ethdev->data->dev_private;
 339         struct bnxt *parent_bp;
 340
 341         if (!vfr || !vfr->parent_dev) {
 342                 PMD_DRV_LOG(ERR,
 343                             "No memory allocated for representor\n");
 344                 return -ENOMEM;
 345         }
 346
 347         parent_bp = vfr->parent_dev->data->dev_private;
 348         if (parent_bp && !parent_bp->ulp_ctx) {
 349                 PMD_DRV_LOG(ERR,
 350                             "ulp context not allocated for parent\n");
 351                 return -EIO;
 352         }
 353
 354         /* Check if representor has been already allocated in FW */
 355         if (vfr->vfr_tx_cfa_action)
 356                 return 0;
 357
 358         /*
 359          * Alloc VF rep rules in CFA after default VNIC is created.
 360          * Otherwise the FW will create the VF-rep rules with
 361          * default drop action.
 362          */
 363         rc = bnxt_tf_vfr_alloc(vfr_ethdev);
 364         if (!rc)
 365                 PMD_DRV_LOG(DEBUG, "allocated representor %d in FW\n",
 366                             vfr->vf_id);
 367         else
 368                 PMD_DRV_LOG(ERR,
 369                             "Failed to alloc representor %d in FW\n",
 370                             vfr->vf_id);
 371
 372         return rc;
 373 }
 374
 375 static void bnxt_vf_rep_free_rx_mbufs(struct bnxt_vf_representor *rep_bp)
 376 {
 377         struct bnxt_rx_queue *rxq;
 378         unsigned int i;
 379
 380         for (i = 0; i < rep_bp->rx_nr_rings; i++) {
 381                 rxq = rep_bp->rx_queues[i];
 382                 bnxt_rx_queue_release_mbufs(rxq);
 383         }
 384 }
 385
 386 int bnxt_vf_rep_dev_start_op(struct rte_eth_dev *eth_dev)
 387 {
 388         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 389         struct bnxt_rep_info *rep_info;
 390         struct bnxt *parent_bp;
 391         int rc;
 392
 393         parent_bp = rep_bp->parent_dev->data->dev_private;
 394         rep_info = &parent_bp->rep_info[rep_bp->vf_id];
 395
 396         pthread_mutex_lock(&rep_info->vfr_start_lock);
 397         if (rep_info->conduit_valid) {
 398                 pthread_mutex_unlock(&rep_info->vfr_start_lock);
 399                 return 0;
 400         }
 401         rc = bnxt_get_dflt_vnic_svif(parent_bp, rep_bp);
 402         if (rc || !rep_info->conduit_valid) {
 403                 pthread_mutex_unlock(&rep_info->vfr_start_lock);
 404                 return rc;
 405         }
 406         pthread_mutex_unlock(&rep_info->vfr_start_lock);
 407
 408         rc = bnxt_vfr_alloc(eth_dev);
 409         if (rc) {
 410                 eth_dev->data->dev_link.link_status = 0;
 411                 bnxt_vf_rep_free_rx_mbufs(rep_bp);
 412                 return rc;
 413         }
 414         eth_dev->rx_pkt_burst = &bnxt_vf_rep_rx_burst;
 415         eth_dev->tx_pkt_burst = &bnxt_vf_rep_tx_burst;
 416         bnxt_vf_rep_link_update_op(eth_dev, 1);
 417
 418         return 0;
 419 }
 420
 421 static int bnxt_tf_vfr_free(struct bnxt_vf_representor *vfr)
 422 {
 423         int rc = 0;
 424
 425         rc = ulp_default_flow_destroy(vfr->parent_dev,
 426                                       vfr->rep2vf_flow_id);
 427         if (rc)
 428                 PMD_DRV_LOG(ERR,
 429                             "default flow destroy failed rep2vf flowid: %d\n",
 430                             vfr->rep2vf_flow_id);
 431         rc = ulp_default_flow_destroy(vfr->parent_dev,
 432                                       vfr->vf2rep_flow_id);
 433         if (rc)
 434                 PMD_DRV_LOG(ERR,
 435                             "default flow destroy failed vf2rep flowid: %d\n",
 436                             vfr->vf2rep_flow_id);
 437         return 0;
 438 }
 439
 440 static int bnxt_vfr_free(struct bnxt_vf_representor *vfr)
 441 {
 442         int rc = 0;
 443         struct bnxt *parent_bp;
 444
 445         if (!vfr || !vfr->parent_dev) {
 446                 PMD_DRV_LOG(ERR,
 447                             "No memory allocated for representor\n");
 448                 return -ENOMEM;
 449         }
 450
 451         parent_bp = vfr->parent_dev->data->dev_private;
 452         if (!parent_bp)
 453                 return 0;
 454
 455         /* Check if representor has been already freed in FW */
 456         if (!vfr->vfr_tx_cfa_action)
 457                 return 0;
 458
 459         rc = bnxt_tf_vfr_free(vfr);
 460         if (rc) {
 461                 PMD_DRV_LOG(ERR,
 462                             "Failed to free representor %d in FW\n",
 463                             vfr->vf_id);
 464                 return rc;
 465         }
 466
 467         PMD_DRV_LOG(DEBUG, "freed representor %d in FW\n",
 468                     vfr->vf_id);
 469         vfr->vfr_tx_cfa_action = 0;
 470
 471         rc = bnxt_hwrm_cfa_vfr_free(parent_bp, vfr->vf_id);
 472
 473         return rc;
 474 }
 475
 476 void bnxt_vf_rep_dev_stop_op(struct rte_eth_dev *eth_dev)
 477 {
 478         struct bnxt_vf_representor *vfr_bp = eth_dev->data->dev_private;
 479
 480         /* Avoid crashes as we are about to free queues */
 481         eth_dev->rx_pkt_burst = &bnxt_dummy_recv_pkts;
 482         eth_dev->tx_pkt_burst = &bnxt_dummy_xmit_pkts;
 483
 484         bnxt_vfr_free(vfr_bp);
 485
 486         if (eth_dev->data->dev_started)
 487                 eth_dev->data->dev_link.link_status = 0;
 488
 489         bnxt_vf_rep_free_rx_mbufs(vfr_bp);
 490 }
 491
 492 void bnxt_vf_rep_dev_close_op(struct rte_eth_dev *eth_dev)
 493 {
 494         bnxt_vf_representor_uninit(eth_dev);
 495 }
 496
 497 int bnxt_vf_rep_dev_info_get_op(struct rte_eth_dev *eth_dev,
 498                                 struct rte_eth_dev_info *dev_info)
 499 {
 500         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 501         struct bnxt *parent_bp;
 502         unsigned int max_rx_rings;
 503         int rc = 0;
 504
 505         /* MAC Specifics */
 506         parent_bp = rep_bp->parent_dev->data->dev_private;
 507         if (!parent_bp) {
 508                 PMD_DRV_LOG(ERR, "Rep parent NULL!\n");
 509                 return rc;
 510         }
 511         PMD_DRV_LOG(DEBUG, "Representor dev_info_get_op\n");
 512         dev_info->max_mac_addrs = parent_bp->max_l2_ctx;
 513         dev_info->max_hash_mac_addrs = 0;
 514
 515         max_rx_rings = BNXT_MAX_VF_REP_RINGS;
 516         /* For the sake of symmetry, max_rx_queues = max_tx_queues */
 517         dev_info->max_rx_queues = max_rx_rings;
 518         dev_info->max_tx_queues = max_rx_rings;
 519         dev_info->reta_size = bnxt_rss_hash_tbl_size(parent_bp);
 520         dev_info->hash_key_size = 40;
 521
 522         /* MTU specifics */
 523         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 524         dev_info->max_mtu = BNXT_MAX_MTU;
 525
 526         /* Fast path specifics */
 527         dev_info->min_rx_bufsize = 1;
 528         dev_info->max_rx_pktlen = BNXT_MAX_PKT_LEN;
 529
 530         dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
 531         if (parent_bp->flags & BNXT_FLAG_PTP_SUPPORTED)
 532                 dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_TIMESTAMP;
 533         dev_info->tx_offload_capa = BNXT_DEV_TX_OFFLOAD_SUPPORT;
 534         dev_info->flow_type_rss_offloads = BNXT_ETH_RSS_SUPPORT;
 535
 536         return 0;
 537 }
 538
 539 int bnxt_vf_rep_dev_configure_op(__rte_unused struct rte_eth_dev *eth_dev)
 540 {
 541         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 542
 543         PMD_DRV_LOG(DEBUG, "Representor dev_configure_op\n");
 544         rep_bp->rx_queues = (void *)eth_dev->data->rx_queues;
 545         rep_bp->tx_nr_rings = eth_dev->data->nb_tx_queues;
 546         rep_bp->rx_nr_rings = eth_dev->data->nb_rx_queues;
 547
 548         return 0;
 549 }
 550
 551 int bnxt_vf_rep_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
 552                           uint16_t queue_idx,
 553                           uint16_t nb_desc,
 554                           unsigned int socket_id,
 555                           __rte_unused const struct rte_eth_rxconf *rx_conf,
 556                           __rte_unused struct rte_mempool *mp)
 557 {
 558         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 559         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 560         struct bnxt_rx_queue *parent_rxq;
 561         struct bnxt_rx_queue *rxq;
 562         struct bnxt_sw_rx_bd *buf_ring;
 563         int rc = 0;
 564
 565         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 566                 PMD_DRV_LOG(ERR,
 567                             "Cannot create Rx ring %d. %d rings available\n",
 568                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 569                 return -EINVAL;
 570         }
 571
 572         if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
 573                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid\n", nb_desc);
 574                 return -EINVAL;
 575         }
 576
 577         if (!parent_bp->rx_queues) {
 578                 PMD_DRV_LOG(ERR, "Parent Rx qs not configured yet\n");
 579                 return -EINVAL;
 580         }
 581
 582         parent_rxq = parent_bp->rx_queues[queue_idx];
 583         if (!parent_rxq) {
 584                 PMD_DRV_LOG(ERR, "Parent RxQ has not been configured yet\n");
 585                 return -EINVAL;
 586         }
 587
 588         if (nb_desc != parent_rxq->nb_rx_desc) {
 589                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent rxq", nb_desc);
 590                 return -EINVAL;
 591         }
 592
 593         if (eth_dev->data->rx_queues) {
 594                 rxq = eth_dev->data->rx_queues[queue_idx];
 595                 if (rxq)
 596                         bnxt_rx_queue_release_op(rxq);
 597         }
 598
 599         rxq = rte_zmalloc_socket("bnxt_vfr_rx_queue",
 600                                  sizeof(struct bnxt_rx_queue),
 601                                  RTE_CACHE_LINE_SIZE, socket_id);
 602         if (!rxq) {
 603                 PMD_DRV_LOG(ERR, "bnxt_vfr_rx_queue allocation failed!\n");
 604                 return -ENOMEM;
 605         }
 606
 607         rxq->nb_rx_desc = nb_desc;
 608
 609         rc = bnxt_init_rx_ring_struct(rxq, socket_id);
 610         if (rc)
 611                 goto out;
 612
 613         buf_ring = rte_zmalloc_socket("bnxt_rx_vfr_buf_ring",
 614                                       sizeof(struct bnxt_sw_rx_bd) *
 615                                       rxq->rx_ring->rx_ring_struct->ring_size,
 616                                       RTE_CACHE_LINE_SIZE, socket_id);
 617         if (!buf_ring) {
 618                 PMD_DRV_LOG(ERR, "bnxt_rx_vfr_buf_ring allocation failed!\n");
 619                 rc = -ENOMEM;
 620                 goto out;
 621         }
 622
 623         rxq->rx_ring->rx_buf_ring = buf_ring;
 624         rxq->queue_id = queue_idx;
 625         rxq->port_id = eth_dev->data->port_id;
 626         eth_dev->data->rx_queues[queue_idx] = rxq;
 627
 628         return 0;
 629
 630 out:
 631         if (rxq)
 632                 bnxt_rx_queue_release_op(rxq);
 633
 634         return rc;
 635 }
 636
 637 void bnxt_vf_rep_rx_queue_release_op(void *rx_queue)
 638 {
 639         struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
 640
 641         if (!rxq)
 642                 return;
 643
 644         bnxt_rx_queue_release_mbufs(rxq);
 645
 646         bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
 647         bnxt_free_ring(rxq->rx_ring->ag_ring_struct);
 648         bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
 649
 650         rte_free(rxq);
 651 }
 652
 653 int bnxt_vf_rep_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
 654                           uint16_t queue_idx,
 655                           uint16_t nb_desc,
 656                           unsigned int socket_id,
 657                           __rte_unused const struct rte_eth_txconf *tx_conf)
 658 {
 659         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 660         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 661         struct bnxt_tx_queue *parent_txq, *txq;
 662         struct bnxt_vf_rep_tx_queue *vfr_txq;
 663
 664         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 665                 PMD_DRV_LOG(ERR,
 666                             "Cannot create Tx rings %d. %d rings available\n",
 667                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 668                 return -EINVAL;
 669         }
 670
 671         if (!nb_desc || nb_desc > MAX_TX_DESC_CNT) {
 672                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
 673                 return -EINVAL;
 674         }
 675
 676         if (!parent_bp->tx_queues) {
 677                 PMD_DRV_LOG(ERR, "Parent Tx qs not configured yet\n");
 678                 return -EINVAL;
 679         }
 680
 681         parent_txq = parent_bp->tx_queues[queue_idx];
 682         if (!parent_txq) {
 683                 PMD_DRV_LOG(ERR, "Parent TxQ has not been configured yet\n");
 684                 return -EINVAL;
 685         }
 686
 687         if (nb_desc != parent_txq->nb_tx_desc) {
 688                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent txq", nb_desc);
 689                 return -EINVAL;
 690         }
 691
 692         if (eth_dev->data->tx_queues) {
 693                 vfr_txq = eth_dev->data->tx_queues[queue_idx];
 694                 bnxt_vf_rep_tx_queue_release_op(vfr_txq);
 695                 vfr_txq = NULL;
 696         }
 697
 698         vfr_txq = rte_zmalloc_socket("bnxt_vfr_tx_queue",
 699                                      sizeof(struct bnxt_vf_rep_tx_queue),
 700                                      RTE_CACHE_LINE_SIZE, socket_id);
 701         if (!vfr_txq) {
 702                 PMD_DRV_LOG(ERR, "bnxt_vfr_tx_queue allocation failed!");
 703                 return -ENOMEM;
 704         }
 705         txq = rte_zmalloc_socket("bnxt_tx_queue",
 706                                  sizeof(struct bnxt_tx_queue),
 707                                  RTE_CACHE_LINE_SIZE, socket_id);
 708         if (!txq) {
 709                 PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
 710                 rte_free(vfr_txq);
 711                 return -ENOMEM;
 712         }
 713
 714         txq->nb_tx_desc = nb_desc;
 715         txq->queue_id = queue_idx;
 716         txq->port_id = eth_dev->data->port_id;
 717         vfr_txq->txq = txq;
 718         vfr_txq->bp = rep_bp;
 719         eth_dev->data->tx_queues[queue_idx] = vfr_txq;
 720
 721         return 0;
 722 }
 723
 724 void bnxt_vf_rep_tx_queue_release_op(void *tx_queue)
 725 {
 726         struct bnxt_vf_rep_tx_queue *vfr_txq = tx_queue;
 727
 728         if (!vfr_txq)
 729                 return;
 730
 731         rte_free(vfr_txq->txq);
 732         rte_free(vfr_txq);
 733 }
 734
 735 int bnxt_vf_rep_stats_get_op(struct rte_eth_dev *eth_dev,
 736                              struct rte_eth_stats *stats)
 737 {
 738         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 739         int i;
 740
 741         memset(stats, 0, sizeof(*stats));
 742         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 743                 stats->obytes += rep_bp->tx_bytes[i];
 744                 stats->opackets += rep_bp->tx_pkts[i];
 745                 stats->ibytes += rep_bp->rx_bytes[i];
 746                 stats->ipackets += rep_bp->rx_pkts[i];
 747                 stats->imissed += rep_bp->rx_drop_pkts[i];
 748
 749                 stats->q_ipackets[i] = rep_bp->rx_pkts[i];
 750                 stats->q_ibytes[i] = rep_bp->rx_bytes[i];
 751                 stats->q_opackets[i] = rep_bp->tx_pkts[i];
 752                 stats->q_obytes[i] = rep_bp->tx_bytes[i];
 753                 stats->q_errors[i] = rep_bp->rx_drop_pkts[i];
 754         }
 755
 756         return 0;
 757 }
 758
 759 int bnxt_vf_rep_stats_reset_op(struct rte_eth_dev *eth_dev)
 760 {
 761         struct bnxt_vf_representor *rep_bp = eth_dev->data->dev_private;
 762         int i;
 763
 764         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 765                 rep_bp->tx_pkts[i] = 0;
 766                 rep_bp->tx_bytes[i] = 0;
 767                 rep_bp->rx_pkts[i] = 0;
 768                 rep_bp->rx_bytes[i] = 0;
 769                 rep_bp->rx_drop_pkts[i] = 0;
 770         }
 771         return 0;
 772 }