drivers/net/bnxt/bnxt_reps.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2021 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_rep_dev_ops = {
  20         .dev_infos_get = bnxt_rep_dev_info_get_op,
  21         .dev_configure = bnxt_rep_dev_configure_op,
  22         .dev_start = bnxt_rep_dev_start_op,
  23         .rx_queue_setup = bnxt_rep_rx_queue_setup_op,
  24         .rx_queue_release = bnxt_rep_rx_queue_release_op,
  25         .tx_queue_setup = bnxt_rep_tx_queue_setup_op,
  26         .tx_queue_release = bnxt_rep_tx_queue_release_op,
  27         .link_update = bnxt_rep_link_update_op,
  28         .dev_close = bnxt_rep_dev_close_op,
  29         .dev_stop = bnxt_rep_dev_stop_op,
  30         .stats_get = bnxt_rep_stats_get_op,
  31         .stats_reset = bnxt_rep_stats_reset_op,
  32         .flow_ops_get = bnxt_flow_ops_get_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 rte_mbuf **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_representor *vfr_bp;
  43         uint16_t mask;
  44         uint8_t que;
  45
  46         vfr_eth_dev = &rte_eth_devices[port_id];
  47         vfr_bp = vfr_eth_dev->data->dev_private;
  48         /* If rxq_id happens to be > nr_rings, use ring 0 */
  49         que = queue_id < vfr_bp->rx_nr_rings ? queue_id : 0;
  50         rep_rxq = vfr_bp->rx_queues[que];
  51         /* Ideally should not happen now, paranoid check */
  52         if (!rep_rxq)
  53                 return 1;
  54         rep_rxr = rep_rxq->rx_ring;
  55         mask = rep_rxr->rx_ring_struct->ring_mask;
  56
  57         /* Put this mbuf on the RxQ of the Representor */
  58         prod_rx_buf = &rep_rxr->rx_buf_ring[rep_rxr->rx_raw_prod & mask];
  59         if (*prod_rx_buf == NULL) {
  60                 *prod_rx_buf = mbuf;
  61                 vfr_bp->rx_bytes[que] += mbuf->pkt_len;
  62                 vfr_bp->rx_pkts[que]++;
  63                 rep_rxr->rx_raw_prod++;
  64         } else {
  65                 /* Representor Rx ring full, drop pkt */
  66                 vfr_bp->rx_drop_bytes[que] += mbuf->pkt_len;
  67                 vfr_bp->rx_drop_pkts[que]++;
  68                 rte_mbuf_raw_free(mbuf);
  69         }
  70
  71         return 0;
  72 }
  73
  74 static uint16_t
  75 bnxt_rep_rx_burst(void *rx_queue,
  76                      struct rte_mbuf **rx_pkts,
  77                      uint16_t nb_pkts)
  78 {
  79         struct bnxt_rx_queue *rxq = rx_queue;
  80         struct rte_mbuf **cons_rx_buf;
  81         struct bnxt_rx_ring_info *rxr;
  82         uint16_t nb_rx_pkts = 0;
  83         uint16_t mask, i;
  84
  85         if (!rxq)
  86                 return 0;
  87
  88         rxr = rxq->rx_ring;
  89         mask = rxr->rx_ring_struct->ring_mask;
  90         for (i = 0; i < nb_pkts; i++) {
  91                 cons_rx_buf = &rxr->rx_buf_ring[rxr->rx_cons & mask];
  92                 if (*cons_rx_buf == NULL)
  93                         return nb_rx_pkts;
  94                 rx_pkts[nb_rx_pkts] = *cons_rx_buf;
  95                 rx_pkts[nb_rx_pkts]->port = rxq->port_id;
  96                 *cons_rx_buf = NULL;
  97                 nb_rx_pkts++;
  98                 rxr->rx_cons++;
  99         }
 100
 101         return nb_rx_pkts;
 102 }
 103
 104 static uint16_t
 105 bnxt_rep_tx_burst(void *tx_queue,
 106                      struct rte_mbuf **tx_pkts,
 107                      uint16_t nb_pkts)
 108 {
 109         struct bnxt_vf_rep_tx_queue *vfr_txq = tx_queue;
 110         struct bnxt_tx_queue *ptxq;
 111         struct bnxt *parent;
 112         struct  bnxt_representor *vf_rep_bp;
 113         int qid;
 114         int rc;
 115         int i;
 116
 117         if (!vfr_txq)
 118                 return 0;
 119
 120         qid = vfr_txq->txq->queue_id;
 121         vf_rep_bp = vfr_txq->bp;
 122         parent = vf_rep_bp->parent_dev->data->dev_private;
 123         pthread_mutex_lock(&parent->rep_info->vfr_lock);
 124         ptxq = parent->tx_queues[qid];
 125
 126         ptxq->vfr_tx_cfa_action = vf_rep_bp->vfr_tx_cfa_action;
 127
 128         for (i = 0; i < nb_pkts; i++) {
 129                 vf_rep_bp->tx_bytes[qid] += tx_pkts[i]->pkt_len;
 130                 vf_rep_bp->tx_pkts[qid]++;
 131         }
 132
 133         rc = bnxt_xmit_pkts(ptxq, tx_pkts, nb_pkts);
 134         ptxq->vfr_tx_cfa_action = 0;
 135         pthread_mutex_unlock(&parent->rep_info->vfr_lock);
 136
 137         return rc;
 138 }
 139
 140 static int
 141 bnxt_get_dflt_vnic_svif(struct bnxt *bp, struct bnxt_representor *vf_rep_bp)
 142 {
 143         struct bnxt_rep_info *rep_info;
 144         int rc;
 145
 146         rc = bnxt_hwrm_get_dflt_vnic_svif(bp, vf_rep_bp->fw_fid,
 147                                           &vf_rep_bp->dflt_vnic_id,
 148                                           &vf_rep_bp->svif);
 149         if (rc) {
 150                 PMD_DRV_LOG(ERR, "Failed to get default vnic id of VF\n");
 151                 vf_rep_bp->dflt_vnic_id = BNXT_DFLT_VNIC_ID_INVALID;
 152                 vf_rep_bp->svif = BNXT_SVIF_INVALID;
 153         } else {
 154                 PMD_DRV_LOG(INFO, "vf_rep->dflt_vnic_id = %d\n",
 155                                 vf_rep_bp->dflt_vnic_id);
 156         }
 157         if (vf_rep_bp->dflt_vnic_id != BNXT_DFLT_VNIC_ID_INVALID &&
 158             vf_rep_bp->svif != BNXT_SVIF_INVALID) {
 159                 rep_info = &bp->rep_info[vf_rep_bp->vf_id];
 160                 rep_info->conduit_valid = true;
 161         }
 162
 163         return rc;
 164 }
 165
 166 int bnxt_representor_init(struct rte_eth_dev *eth_dev, void *params)
 167 {
 168         struct bnxt_representor *vf_rep_bp = eth_dev->data->dev_private;
 169         struct bnxt_representor *rep_params =
 170                                  (struct bnxt_representor *)params;
 171         struct rte_eth_link *link;
 172         struct bnxt *parent_bp;
 173         uint16_t first_vf_id;
 174         int rc = 0;
 175
 176         PMD_DRV_LOG(DEBUG, "BNXT Port:%d VFR init\n", eth_dev->data->port_id);
 177         vf_rep_bp->vf_id = rep_params->vf_id;
 178         vf_rep_bp->switch_domain_id = rep_params->switch_domain_id;
 179         vf_rep_bp->parent_dev = rep_params->parent_dev;
 180         vf_rep_bp->rep_based_pf = rep_params->rep_based_pf;
 181         vf_rep_bp->flags = rep_params->flags;
 182         vf_rep_bp->rep_q_r2f = rep_params->rep_q_r2f;
 183         vf_rep_bp->rep_q_f2r = rep_params->rep_q_f2r;
 184         vf_rep_bp->rep_fc_r2f = rep_params->rep_fc_r2f;
 185         vf_rep_bp->rep_fc_f2r = rep_params->rep_fc_f2r;
 186
 187         eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR |
 188                                         RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
 189         eth_dev->data->representor_id = rep_params->vf_id;
 190         eth_dev->data->backer_port_id = rep_params->parent_dev->data->port_id;
 191
 192         rte_eth_random_addr(vf_rep_bp->dflt_mac_addr);
 193         memcpy(vf_rep_bp->mac_addr, vf_rep_bp->dflt_mac_addr,
 194                sizeof(vf_rep_bp->mac_addr));
 195         eth_dev->data->mac_addrs =
 196                 (struct rte_ether_addr *)&vf_rep_bp->mac_addr;
 197         eth_dev->dev_ops = &bnxt_rep_dev_ops;
 198
 199         /* No data-path, but need stub Rx/Tx functions to avoid crash
 200          * when testing with ovs-dpdk
 201          */
 202         eth_dev->rx_pkt_burst = bnxt_rep_rx_burst;
 203         eth_dev->tx_pkt_burst = bnxt_rep_tx_burst;
 204         /* Link state. Inherited from PF or trusted VF */
 205         parent_bp = vf_rep_bp->parent_dev->data->dev_private;
 206         link = &parent_bp->eth_dev->data->dev_link;
 207
 208         eth_dev->data->dev_link.link_speed = link->link_speed;
 209         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 210         eth_dev->data->dev_link.link_status = link->link_status;
 211         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 212
 213         PMD_DRV_LOG(INFO, "calling bnxt_print_link_info\n");
 214         bnxt_print_link_info(eth_dev);
 215
 216         PMD_DRV_LOG(INFO,
 217                     "Switch domain id %d: Representor Device %d init done\n",
 218                     vf_rep_bp->switch_domain_id, vf_rep_bp->vf_id);
 219
 220         if (BNXT_REP_BASED_PF(vf_rep_bp)) {
 221                 vf_rep_bp->fw_fid = vf_rep_bp->rep_based_pf + 1;
 222                 vf_rep_bp->parent_pf_idx = vf_rep_bp->rep_based_pf;
 223                 if (!(BNXT_REP_PF(vf_rep_bp))) {
 224                         /* VF representor for the remote PF,get first_vf_id */
 225                         rc = bnxt_hwrm_first_vf_id_query(parent_bp,
 226                                                          vf_rep_bp->fw_fid,
 227                                                          &first_vf_id);
 228                         if (rc)
 229                                 return rc;
 230                         if (first_vf_id == 0xffff) {
 231                                 PMD_DRV_LOG(ERR,
 232                                             "Invalid first_vf_id fid:%x\n",
 233                                             vf_rep_bp->fw_fid);
 234                                 return -EINVAL;
 235                         }
 236                         PMD_DRV_LOG(INFO, "first_vf_id = %x parent_fid:%x\n",
 237                                     first_vf_id, vf_rep_bp->fw_fid);
 238                         vf_rep_bp->fw_fid = rep_params->vf_id + first_vf_id;
 239                 }
 240         }  else {
 241                 vf_rep_bp->fw_fid = rep_params->vf_id + parent_bp->first_vf_id;
 242                 if (BNXT_VF_IS_TRUSTED(parent_bp))
 243                         vf_rep_bp->parent_pf_idx = parent_bp->parent->fid - 1;
 244                 else
 245                         vf_rep_bp->parent_pf_idx = parent_bp->fw_fid - 1;
 246         }
 247
 248         PMD_DRV_LOG(INFO, "vf_rep->fw_fid = %d\n", vf_rep_bp->fw_fid);
 249
 250         return 0;
 251 }
 252
 253 int bnxt_representor_uninit(struct rte_eth_dev *eth_dev)
 254 {
 255         struct bnxt *parent_bp;
 256         struct bnxt_representor *rep =
 257                 (struct bnxt_representor *)eth_dev->data->dev_private;
 258         uint16_t vf_id;
 259
 260         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 261                 return 0;
 262
 263         PMD_DRV_LOG(DEBUG, "BNXT Port:%d VFR uninit\n", eth_dev->data->port_id);
 264         eth_dev->data->mac_addrs = NULL;
 265
 266         parent_bp = rep->parent_dev->data->dev_private;
 267         if (!parent_bp) {
 268                 PMD_DRV_LOG(DEBUG, "BNXT Port:%d already freed\n",
 269                             eth_dev->data->port_id);
 270                 return 0;
 271         }
 272
 273         parent_bp->num_reps--;
 274         vf_id = rep->vf_id;
 275         if (parent_bp->rep_info)
 276                 memset(&parent_bp->rep_info[vf_id], 0,
 277                        sizeof(parent_bp->rep_info[vf_id]));
 278                 /* mark that this representor has been freed */
 279         return 0;
 280 }
 281
 282 int bnxt_rep_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_compl)
 283 {
 284         struct bnxt *parent_bp;
 285         struct bnxt_representor *rep =
 286                 (struct bnxt_representor *)eth_dev->data->dev_private;
 287         struct rte_eth_link *link;
 288         int rc;
 289
 290         parent_bp = rep->parent_dev->data->dev_private;
 291         if (!parent_bp)
 292                 return 0;
 293
 294         rc = bnxt_link_update_op(parent_bp->eth_dev, wait_to_compl);
 295
 296         /* Link state. Inherited from PF or trusted VF */
 297         link = &parent_bp->eth_dev->data->dev_link;
 298
 299         eth_dev->data->dev_link.link_speed = link->link_speed;
 300         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 301         eth_dev->data->dev_link.link_status = link->link_status;
 302         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 303         bnxt_print_link_info(eth_dev);
 304
 305         return rc;
 306 }
 307
 308 static int bnxt_tf_vfr_alloc(struct rte_eth_dev *vfr_ethdev)
 309 {
 310         int rc;
 311         struct bnxt_representor *vfr = vfr_ethdev->data->dev_private;
 312         struct rte_eth_dev *parent_dev = vfr->parent_dev;
 313         struct bnxt *parent_bp = parent_dev->data->dev_private;
 314
 315         if (!parent_bp || !parent_bp->ulp_ctx) {
 316                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 317                 return 0;
 318         }
 319
 320         /* Update the ULP portdata base with the new VFR interface */
 321         rc = ulp_port_db_dev_port_intf_update(parent_bp->ulp_ctx, vfr_ethdev);
 322         if (rc) {
 323                 BNXT_TF_DBG(ERR, "Failed to update ulp port details vfr:%u\n",
 324                             vfr->vf_id);
 325                 return rc;
 326         }
 327
 328         /* Create the default rules for the VFR */
 329         rc = bnxt_ulp_create_vfr_default_rules(vfr_ethdev);
 330         if (rc) {
 331                 BNXT_TF_DBG(ERR, "Failed to create VFR default rules vfr:%u\n",
 332                             vfr->vf_id);
 333                 return rc;
 334         }
 335         /* update the port id so you can backtrack to ethdev */
 336         vfr->dpdk_port_id = vfr_ethdev->data->port_id;
 337
 338         rc = bnxt_hwrm_cfa_pair_alloc(parent_bp, vfr);
 339         if (rc) {
 340                 BNXT_TF_DBG(ERR, "Failed in hwrm vfr alloc vfr:%u rc=%d\n",
 341                             vfr->vf_id, rc);
 342                 (void)bnxt_ulp_delete_vfr_default_rules(vfr);
 343         }
 344         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR created and initialized\n",
 345                     vfr->dpdk_port_id);
 346         return rc;
 347 }
 348
 349 static int bnxt_vfr_alloc(struct rte_eth_dev *vfr_ethdev)
 350 {
 351         int rc = 0;
 352         struct bnxt_representor *vfr = vfr_ethdev->data->dev_private;
 353         struct bnxt *parent_bp;
 354
 355         if (!vfr || !vfr->parent_dev) {
 356                 PMD_DRV_LOG(ERR,
 357                                 "No memory allocated for representor\n");
 358                 return -ENOMEM;
 359         }
 360
 361         parent_bp = vfr->parent_dev->data->dev_private;
 362         if (parent_bp && !parent_bp->ulp_ctx) {
 363                 PMD_DRV_LOG(ERR,
 364                             "ulp context not allocated for parent\n");
 365                 return -EIO;
 366         }
 367
 368         /* Check if representor has been already allocated in FW */
 369         if (vfr->vfr_tx_cfa_action)
 370                 return 0;
 371
 372         /*
 373          * Alloc VF rep rules in CFA after default VNIC is created.
 374          * Otherwise the FW will create the VF-rep rules with
 375          * default drop action.
 376          */
 377         rc = bnxt_tf_vfr_alloc(vfr_ethdev);
 378         if (!rc)
 379                 PMD_DRV_LOG(DEBUG, "allocated representor %d in FW\n",
 380                             vfr->vf_id);
 381         else
 382                 PMD_DRV_LOG(ERR,
 383                             "Failed to alloc representor %d in FW\n",
 384                             vfr->vf_id);
 385
 386         return rc;
 387 }
 388
 389 static void bnxt_vfr_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq)
 390 {
 391         struct rte_mbuf **sw_ring;
 392         unsigned int i;
 393
 394         if (!rxq || !rxq->rx_ring)
 395                 return;
 396
 397         sw_ring = rxq->rx_ring->rx_buf_ring;
 398         if (sw_ring) {
 399                 for (i = 0; i < rxq->rx_ring->rx_ring_struct->ring_size; i++) {
 400                         if (sw_ring[i]) {
 401                                 if (sw_ring[i] != &rxq->fake_mbuf)
 402                                         rte_pktmbuf_free_seg(sw_ring[i]);
 403                                 sw_ring[i] = NULL;
 404                         }
 405                 }
 406         }
 407 }
 408
 409 static void bnxt_rep_free_rx_mbufs(struct bnxt_representor *rep_bp)
 410 {
 411         struct bnxt_rx_queue *rxq;
 412         unsigned int i;
 413
 414         for (i = 0; i < rep_bp->rx_nr_rings; i++) {
 415                 rxq = rep_bp->rx_queues[i];
 416                 bnxt_vfr_rx_queue_release_mbufs(rxq);
 417         }
 418 }
 419
 420 int bnxt_rep_dev_start_op(struct rte_eth_dev *eth_dev)
 421 {
 422         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 423         struct bnxt_rep_info *rep_info;
 424         struct bnxt *parent_bp;
 425         int rc;
 426
 427         parent_bp = rep_bp->parent_dev->data->dev_private;
 428         rep_info = &parent_bp->rep_info[rep_bp->vf_id];
 429
 430         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR start\n", eth_dev->data->port_id);
 431         pthread_mutex_lock(&rep_info->vfr_start_lock);
 432         if (!rep_info->conduit_valid) {
 433                 rc = bnxt_get_dflt_vnic_svif(parent_bp, rep_bp);
 434                 if (rc || !rep_info->conduit_valid) {
 435                         pthread_mutex_unlock(&rep_info->vfr_start_lock);
 436                         return rc;
 437                 }
 438         }
 439         pthread_mutex_unlock(&rep_info->vfr_start_lock);
 440
 441         rc = bnxt_vfr_alloc(eth_dev);
 442         if (rc) {
 443                 eth_dev->data->dev_link.link_status = 0;
 444                 bnxt_rep_free_rx_mbufs(rep_bp);
 445                 return rc;
 446         }
 447         eth_dev->rx_pkt_burst = &bnxt_rep_rx_burst;
 448         eth_dev->tx_pkt_burst = &bnxt_rep_tx_burst;
 449         bnxt_rep_link_update_op(eth_dev, 1);
 450
 451         return 0;
 452 }
 453
 454 static int bnxt_tf_vfr_free(struct bnxt_representor *vfr)
 455 {
 456         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR ulp free\n", vfr->dpdk_port_id);
 457         return bnxt_ulp_delete_vfr_default_rules(vfr);
 458 }
 459
 460 static int bnxt_vfr_free(struct bnxt_representor *vfr)
 461 {
 462         int rc = 0;
 463         struct bnxt *parent_bp;
 464
 465         if (!vfr || !vfr->parent_dev) {
 466                 PMD_DRV_LOG(ERR,
 467                             "No memory allocated for representor\n");
 468                 return -ENOMEM;
 469         }
 470
 471         parent_bp = vfr->parent_dev->data->dev_private;
 472         if (!parent_bp) {
 473                 PMD_DRV_LOG(DEBUG, "BNXT Port:%d VFR already freed\n",
 474                             vfr->dpdk_port_id);
 475                 return 0;
 476         }
 477
 478         /* Check if representor has been already freed in FW */
 479         if (!vfr->vfr_tx_cfa_action)
 480                 return 0;
 481
 482         rc = bnxt_tf_vfr_free(vfr);
 483         if (rc) {
 484                 PMD_DRV_LOG(ERR,
 485                             "Failed to free representor %d in FW\n",
 486                             vfr->vf_id);
 487         }
 488
 489         PMD_DRV_LOG(DEBUG, "freed representor %d in FW\n",
 490                     vfr->vf_id);
 491         vfr->vfr_tx_cfa_action = 0;
 492
 493         rc = bnxt_hwrm_cfa_pair_free(parent_bp, vfr);
 494
 495         return rc;
 496 }
 497
 498 int bnxt_rep_dev_stop_op(struct rte_eth_dev *eth_dev)
 499 {
 500         struct bnxt_representor *vfr_bp = eth_dev->data->dev_private;
 501
 502         /* Avoid crashes as we are about to free queues */
 503         eth_dev->rx_pkt_burst = &bnxt_dummy_recv_pkts;
 504         eth_dev->tx_pkt_burst = &bnxt_dummy_xmit_pkts;
 505
 506         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR stop\n", eth_dev->data->port_id);
 507
 508         bnxt_vfr_free(vfr_bp);
 509
 510         if (eth_dev->data->dev_started)
 511                 eth_dev->data->dev_link.link_status = 0;
 512
 513         bnxt_rep_free_rx_mbufs(vfr_bp);
 514
 515         return 0;
 516 }
 517
 518 int bnxt_rep_dev_close_op(struct rte_eth_dev *eth_dev)
 519 {
 520         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR close\n", eth_dev->data->port_id);
 521         bnxt_representor_uninit(eth_dev);
 522         return 0;
 523 }
 524
 525 int bnxt_rep_dev_info_get_op(struct rte_eth_dev *eth_dev,
 526                                 struct rte_eth_dev_info *dev_info)
 527 {
 528         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 529         struct bnxt *parent_bp;
 530         unsigned int max_rx_rings;
 531         int rc = 0;
 532
 533         /* MAC Specifics */
 534         parent_bp = rep_bp->parent_dev->data->dev_private;
 535         if (!parent_bp) {
 536                 PMD_DRV_LOG(ERR, "Rep parent NULL!\n");
 537                 return rc;
 538         }
 539         PMD_DRV_LOG(DEBUG, "Representor dev_info_get_op\n");
 540         dev_info->max_mac_addrs = parent_bp->max_l2_ctx;
 541         dev_info->max_hash_mac_addrs = 0;
 542
 543         max_rx_rings = BNXT_MAX_VF_REP_RINGS;
 544         /* For the sake of symmetry, max_rx_queues = max_tx_queues */
 545         dev_info->max_rx_queues = max_rx_rings;
 546         dev_info->max_tx_queues = max_rx_rings;
 547         dev_info->reta_size = bnxt_rss_hash_tbl_size(parent_bp);
 548         dev_info->hash_key_size = 40;
 549
 550         /* MTU specifics */
 551         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 552         dev_info->max_mtu = BNXT_MAX_MTU;
 553
 554         /* Fast path specifics */
 555         dev_info->min_rx_bufsize = 1;
 556         dev_info->max_rx_pktlen = BNXT_MAX_PKT_LEN;
 557
 558         dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
 559         if (parent_bp->flags & BNXT_FLAG_PTP_SUPPORTED)
 560                 dev_info->rx_offload_capa |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
 561         dev_info->tx_offload_capa = BNXT_DEV_TX_OFFLOAD_SUPPORT;
 562         dev_info->flow_type_rss_offloads = BNXT_ETH_RSS_SUPPORT;
 563
 564         dev_info->switch_info.name = eth_dev->device->name;
 565         dev_info->switch_info.domain_id = rep_bp->switch_domain_id;
 566         dev_info->switch_info.port_id =
 567                         rep_bp->vf_id & BNXT_SWITCH_PORT_ID_VF_MASK;
 568
 569         return 0;
 570 }
 571
 572 int bnxt_rep_dev_configure_op(struct rte_eth_dev *eth_dev)
 573 {
 574         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 575
 576         PMD_DRV_LOG(DEBUG, "Representor dev_configure_op\n");
 577         rep_bp->rx_queues = (void *)eth_dev->data->rx_queues;
 578         rep_bp->tx_nr_rings = eth_dev->data->nb_tx_queues;
 579         rep_bp->rx_nr_rings = eth_dev->data->nb_rx_queues;
 580
 581         return 0;
 582 }
 583
 584 static int bnxt_init_rep_rx_ring(struct bnxt_rx_queue *rxq,
 585                                  unsigned int socket_id)
 586 {
 587         struct bnxt_rx_ring_info *rxr;
 588         struct bnxt_ring *ring;
 589
 590         rxr = rte_zmalloc_socket("bnxt_rep_rx_ring",
 591                                  sizeof(struct bnxt_rx_ring_info),
 592                                  RTE_CACHE_LINE_SIZE, socket_id);
 593         if (rxr == NULL)
 594                 return -ENOMEM;
 595         rxq->rx_ring = rxr;
 596
 597         ring = rte_zmalloc_socket("bnxt_rep_rx_ring_struct",
 598                                   sizeof(struct bnxt_ring),
 599                                   RTE_CACHE_LINE_SIZE, socket_id);
 600         if (ring == NULL)
 601                 return -ENOMEM;
 602         rxr->rx_ring_struct = ring;
 603         ring->ring_size = rte_align32pow2(rxq->nb_rx_desc);
 604         ring->ring_mask = ring->ring_size - 1;
 605
 606         return 0;
 607 }
 608
 609 int bnxt_rep_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
 610                                uint16_t queue_idx,
 611                                uint16_t nb_desc,
 612                                unsigned int socket_id,
 613                                __rte_unused const struct rte_eth_rxconf *rx_conf,
 614                                __rte_unused struct rte_mempool *mp)
 615 {
 616         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 617         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 618         struct bnxt_rx_queue *parent_rxq;
 619         struct bnxt_rx_queue *rxq;
 620         struct rte_mbuf **buf_ring;
 621         int rc = 0;
 622
 623         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 624                 PMD_DRV_LOG(ERR,
 625                             "Cannot create Rx ring %d. %d rings available\n",
 626                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 627                 return -EINVAL;
 628         }
 629
 630         if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
 631                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid\n", nb_desc);
 632                 return -EINVAL;
 633         }
 634
 635         if (!parent_bp->rx_queues) {
 636                 PMD_DRV_LOG(ERR, "Parent Rx qs not configured yet\n");
 637                 return -EINVAL;
 638         }
 639
 640         parent_rxq = parent_bp->rx_queues[queue_idx];
 641         if (!parent_rxq) {
 642                 PMD_DRV_LOG(ERR, "Parent RxQ has not been configured yet\n");
 643                 return -EINVAL;
 644         }
 645
 646         if (nb_desc != parent_rxq->nb_rx_desc) {
 647                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent rxq", nb_desc);
 648                 return -EINVAL;
 649         }
 650
 651         if (eth_dev->data->rx_queues) {
 652                 rxq = eth_dev->data->rx_queues[queue_idx];
 653                 if (rxq)
 654                         bnxt_rx_queue_release_op(eth_dev, queue_idx);
 655         }
 656
 657         rxq = rte_zmalloc_socket("bnxt_vfr_rx_queue",
 658                                  sizeof(struct bnxt_rx_queue),
 659                                  RTE_CACHE_LINE_SIZE, socket_id);
 660         if (!rxq) {
 661                 PMD_DRV_LOG(ERR, "bnxt_vfr_rx_queue allocation failed!\n");
 662                 return -ENOMEM;
 663         }
 664
 665         eth_dev->data->rx_queues[queue_idx] = rxq;
 666
 667         rxq->nb_rx_desc = nb_desc;
 668
 669         rc = bnxt_init_rep_rx_ring(rxq, socket_id);
 670         if (rc)
 671                 goto out;
 672
 673         buf_ring = rte_zmalloc_socket("bnxt_rx_vfr_buf_ring",
 674                                       sizeof(struct rte_mbuf *) *
 675                                       rxq->rx_ring->rx_ring_struct->ring_size,
 676                                       RTE_CACHE_LINE_SIZE, socket_id);
 677         if (!buf_ring) {
 678                 PMD_DRV_LOG(ERR, "bnxt_rx_vfr_buf_ring allocation failed!\n");
 679                 rc = -ENOMEM;
 680                 goto out;
 681         }
 682
 683         rxq->rx_ring->rx_buf_ring = buf_ring;
 684         rxq->queue_id = queue_idx;
 685         rxq->port_id = eth_dev->data->port_id;
 686
 687         return 0;
 688
 689 out:
 690         if (rxq)
 691                 bnxt_rep_rx_queue_release_op(eth_dev, queue_idx);
 692
 693         return rc;
 694 }
 695
 696 void bnxt_rep_rx_queue_release_op(struct rte_eth_dev *dev, uint16_t queue_idx)
 697 {
 698         struct bnxt_rx_queue *rxq = dev->data->rx_queues[queue_idx];
 699
 700         if (!rxq)
 701                 return;
 702
 703         bnxt_rx_queue_release_mbufs(rxq);
 704
 705         bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
 706         rte_free(rxq->rx_ring->rx_ring_struct);
 707         rte_free(rxq->rx_ring);
 708
 709         rte_free(rxq);
 710 }
 711
 712 int bnxt_rep_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
 713                                uint16_t queue_idx,
 714                                uint16_t nb_desc,
 715                                unsigned int socket_id,
 716                                __rte_unused const struct rte_eth_txconf *tx_conf)
 717 {
 718         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 719         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 720         struct bnxt_tx_queue *parent_txq, *txq;
 721         struct bnxt_vf_rep_tx_queue *vfr_txq;
 722
 723         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 724                 PMD_DRV_LOG(ERR,
 725                             "Cannot create Tx rings %d. %d rings available\n",
 726                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 727                 return -EINVAL;
 728         }
 729
 730         if (!nb_desc || nb_desc > MAX_TX_DESC_CNT) {
 731                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
 732                 return -EINVAL;
 733         }
 734
 735         if (!parent_bp->tx_queues) {
 736                 PMD_DRV_LOG(ERR, "Parent Tx qs not configured yet\n");
 737                 return -EINVAL;
 738         }
 739
 740         parent_txq = parent_bp->tx_queues[queue_idx];
 741         if (!parent_txq) {
 742                 PMD_DRV_LOG(ERR, "Parent TxQ has not been configured yet\n");
 743                 return -EINVAL;
 744         }
 745
 746         if (nb_desc != parent_txq->nb_tx_desc) {
 747                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent txq", nb_desc);
 748                 return -EINVAL;
 749         }
 750
 751         if (eth_dev->data->tx_queues) {
 752                 vfr_txq = eth_dev->data->tx_queues[queue_idx];
 753                 if (vfr_txq != NULL)
 754                         bnxt_rep_tx_queue_release_op(eth_dev, queue_idx);
 755         }
 756
 757         vfr_txq = rte_zmalloc_socket("bnxt_vfr_tx_queue",
 758                                      sizeof(struct bnxt_vf_rep_tx_queue),
 759                                      RTE_CACHE_LINE_SIZE, socket_id);
 760         if (!vfr_txq) {
 761                 PMD_DRV_LOG(ERR, "bnxt_vfr_tx_queue allocation failed!");
 762                 return -ENOMEM;
 763         }
 764         txq = rte_zmalloc_socket("bnxt_tx_queue",
 765                                  sizeof(struct bnxt_tx_queue),
 766                                  RTE_CACHE_LINE_SIZE, socket_id);
 767         if (!txq) {
 768                 PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
 769                 rte_free(vfr_txq);
 770                 return -ENOMEM;
 771         }
 772
 773         txq->nb_tx_desc = nb_desc;
 774         txq->queue_id = queue_idx;
 775         txq->port_id = eth_dev->data->port_id;
 776         vfr_txq->txq = txq;
 777         vfr_txq->bp = rep_bp;
 778         eth_dev->data->tx_queues[queue_idx] = vfr_txq;
 779
 780         return 0;
 781 }
 782
 783 void bnxt_rep_tx_queue_release_op(struct rte_eth_dev *dev, uint16_t queue_idx)
 784 {
 785         struct bnxt_vf_rep_tx_queue *vfr_txq = dev->data->tx_queues[queue_idx];
 786
 787         if (!vfr_txq)
 788                 return;
 789
 790         rte_free(vfr_txq->txq);
 791         rte_free(vfr_txq);
 792         dev->data->tx_queues[queue_idx] = NULL;
 793 }
 794
 795 int bnxt_rep_stats_get_op(struct rte_eth_dev *eth_dev,
 796                              struct rte_eth_stats *stats)
 797 {
 798         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 799         int i;
 800
 801         memset(stats, 0, sizeof(*stats));
 802         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 803                 stats->obytes += rep_bp->tx_bytes[i];
 804                 stats->opackets += rep_bp->tx_pkts[i];
 805                 stats->ibytes += rep_bp->rx_bytes[i];
 806                 stats->ipackets += rep_bp->rx_pkts[i];
 807                 stats->imissed += rep_bp->rx_drop_pkts[i];
 808
 809                 stats->q_ipackets[i] = rep_bp->rx_pkts[i];
 810                 stats->q_ibytes[i] = rep_bp->rx_bytes[i];
 811                 stats->q_opackets[i] = rep_bp->tx_pkts[i];
 812                 stats->q_obytes[i] = rep_bp->tx_bytes[i];
 813                 stats->q_errors[i] = rep_bp->rx_drop_pkts[i];
 814         }
 815
 816         return 0;
 817 }
 818
 819 int bnxt_rep_stats_reset_op(struct rte_eth_dev *eth_dev)
 820 {
 821         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 822         int i;
 823
 824         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 825                 rep_bp->tx_pkts[i] = 0;
 826                 rep_bp->tx_bytes[i] = 0;
 827                 rep_bp->rx_pkts[i] = 0;
 828                 rep_bp->rx_bytes[i] = 0;
 829                 rep_bp->rx_drop_pkts[i] = 0;
 830         }
 831         return 0;
 832 }
 833
 834 int bnxt_rep_stop_all(struct bnxt *bp)
 835 {
 836         uint16_t vf_id;
 837         struct rte_eth_dev *rep_eth_dev;
 838         int ret;
 839
 840         /* No vfrep ports just exit */
 841         if (!bp->rep_info)
 842                 return 0;
 843
 844         for (vf_id = 0; vf_id < BNXT_MAX_VF_REPS; vf_id++) {
 845                 rep_eth_dev = bp->rep_info[vf_id].vfr_eth_dev;
 846                 if (!rep_eth_dev)
 847                         continue;
 848                 ret = bnxt_rep_dev_stop_op(rep_eth_dev);
 849                 if (ret != 0)
 850                         return ret;
 851         }
 852
 853         return 0;
 854 }