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_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         .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 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_prod & mask];
  59         if (!*prod_rx_buf) {
  60                 *prod_rx_buf = mbuf;
  61                 vfr_bp->rx_bytes[que] += mbuf->pkt_len;
  62                 vfr_bp->rx_pkts[que]++;
  63                 rep_rxr->rx_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_pktmbuf_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                      __rte_unused 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
 191         rte_eth_random_addr(vf_rep_bp->dflt_mac_addr);
 192         memcpy(vf_rep_bp->mac_addr, vf_rep_bp->dflt_mac_addr,
 193                sizeof(vf_rep_bp->mac_addr));
 194         eth_dev->data->mac_addrs =
 195                 (struct rte_ether_addr *)&vf_rep_bp->mac_addr;
 196         eth_dev->dev_ops = &bnxt_rep_dev_ops;
 197
 198         /* No data-path, but need stub Rx/Tx functions to avoid crash
 199          * when testing with ovs-dpdk
 200          */
 201         eth_dev->rx_pkt_burst = bnxt_rep_rx_burst;
 202         eth_dev->tx_pkt_burst = bnxt_rep_tx_burst;
 203         /* Link state. Inherited from PF or trusted VF */
 204         parent_bp = vf_rep_bp->parent_dev->data->dev_private;
 205         link = &parent_bp->eth_dev->data->dev_link;
 206
 207         eth_dev->data->dev_link.link_speed = link->link_speed;
 208         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 209         eth_dev->data->dev_link.link_status = link->link_status;
 210         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 211
 212         PMD_DRV_LOG(INFO, "calling bnxt_print_link_info\n");
 213         bnxt_print_link_info(eth_dev);
 214
 215         PMD_DRV_LOG(INFO,
 216                     "Switch domain id %d: Representor Device %d init done\n",
 217                     vf_rep_bp->switch_domain_id, vf_rep_bp->vf_id);
 218
 219         if (BNXT_REP_BASED_PF(vf_rep_bp)) {
 220                 vf_rep_bp->fw_fid = vf_rep_bp->rep_based_pf + 1;
 221                 vf_rep_bp->parent_pf_idx = vf_rep_bp->rep_based_pf;
 222                 if (!(BNXT_REP_PF(vf_rep_bp))) {
 223                         /* VF representor for the remote PF,get first_vf_id */
 224                         rc = bnxt_hwrm_first_vf_id_query(parent_bp,
 225                                                          vf_rep_bp->fw_fid,
 226                                                          &first_vf_id);
 227                         if (rc)
 228                                 return rc;
 229                         if (first_vf_id == 0xffff) {
 230                                 PMD_DRV_LOG(ERR,
 231                                             "Invalid first_vf_id fid:%x\n",
 232                                             vf_rep_bp->fw_fid);
 233                                 return -EINVAL;
 234                         }
 235                         PMD_DRV_LOG(INFO, "first_vf_id = %x parent_fid:%x\n",
 236                                     first_vf_id, vf_rep_bp->fw_fid);
 237                         vf_rep_bp->fw_fid = rep_params->vf_id + first_vf_id;
 238                 }
 239         }  else {
 240                 vf_rep_bp->fw_fid = rep_params->vf_id + parent_bp->first_vf_id;
 241                 if (BNXT_VF_IS_TRUSTED(parent_bp))
 242                         vf_rep_bp->parent_pf_idx = parent_bp->parent->fid - 1;
 243                 else
 244                         vf_rep_bp->parent_pf_idx = parent_bp->fw_fid - 1;
 245         }
 246
 247         PMD_DRV_LOG(INFO, "vf_rep->fw_fid = %d\n", vf_rep_bp->fw_fid);
 248
 249         return 0;
 250 }
 251
 252 int bnxt_representor_uninit(struct rte_eth_dev *eth_dev)
 253 {
 254         struct bnxt *parent_bp;
 255         struct bnxt_representor *rep =
 256                 (struct bnxt_representor *)eth_dev->data->dev_private;
 257         uint16_t vf_id;
 258
 259         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 260                 return 0;
 261
 262         PMD_DRV_LOG(DEBUG, "BNXT Port:%d VFR uninit\n", eth_dev->data->port_id);
 263         eth_dev->data->mac_addrs = NULL;
 264
 265         parent_bp = rep->parent_dev->data->dev_private;
 266         if (!parent_bp) {
 267                 PMD_DRV_LOG(DEBUG, "BNXT Port:%d already freed\n",
 268                             eth_dev->data->port_id);
 269                 return 0;
 270         }
 271
 272         parent_bp->num_reps--;
 273         vf_id = rep->vf_id;
 274         if (parent_bp->rep_info)
 275                 memset(&parent_bp->rep_info[vf_id], 0,
 276                        sizeof(parent_bp->rep_info[vf_id]));
 277                 /* mark that this representor has been freed */
 278         return 0;
 279 }
 280
 281 int bnxt_rep_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_compl)
 282 {
 283         struct bnxt *parent_bp;
 284         struct bnxt_representor *rep =
 285                 (struct bnxt_representor *)eth_dev->data->dev_private;
 286         struct rte_eth_link *link;
 287         int rc;
 288
 289         parent_bp = rep->parent_dev->data->dev_private;
 290         if (!parent_bp)
 291                 return 0;
 292
 293         rc = bnxt_link_update_op(parent_bp->eth_dev, wait_to_compl);
 294
 295         /* Link state. Inherited from PF or trusted VF */
 296         link = &parent_bp->eth_dev->data->dev_link;
 297
 298         eth_dev->data->dev_link.link_speed = link->link_speed;
 299         eth_dev->data->dev_link.link_duplex = link->link_duplex;
 300         eth_dev->data->dev_link.link_status = link->link_status;
 301         eth_dev->data->dev_link.link_autoneg = link->link_autoneg;
 302         bnxt_print_link_info(eth_dev);
 303
 304         return rc;
 305 }
 306
 307 static int bnxt_tf_vfr_alloc(struct rte_eth_dev *vfr_ethdev)
 308 {
 309         int rc;
 310         struct bnxt_representor *vfr = vfr_ethdev->data->dev_private;
 311         struct rte_eth_dev *parent_dev = vfr->parent_dev;
 312         struct bnxt *parent_bp = parent_dev->data->dev_private;
 313
 314         if (!parent_bp || !parent_bp->ulp_ctx) {
 315                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 316                 return 0;
 317         }
 318
 319         /* Update the ULP portdata base with the new VFR interface */
 320         rc = ulp_port_db_dev_port_intf_update(parent_bp->ulp_ctx, vfr_ethdev);
 321         if (rc) {
 322                 BNXT_TF_DBG(ERR, "Failed to update ulp port details vfr:%u\n",
 323                             vfr->vf_id);
 324                 return rc;
 325         }
 326
 327         /* Create the default rules for the VFR */
 328         rc = bnxt_ulp_create_vfr_default_rules(vfr_ethdev);
 329         if (rc) {
 330                 BNXT_TF_DBG(ERR, "Failed to create VFR default rules vfr:%u\n",
 331                             vfr->vf_id);
 332                 return rc;
 333         }
 334         /* update the port id so you can backtrack to ethdev */
 335         vfr->dpdk_port_id = vfr_ethdev->data->port_id;
 336
 337         rc = bnxt_hwrm_cfa_pair_alloc(parent_bp, vfr);
 338         if (rc) {
 339                 BNXT_TF_DBG(ERR, "Failed in hwrm vfr alloc vfr:%u rc=%d\n",
 340                             vfr->vf_id, rc);
 341                 (void)bnxt_ulp_delete_vfr_default_rules(vfr);
 342         }
 343         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR created and initialized\n",
 344                     vfr->dpdk_port_id);
 345         return rc;
 346 }
 347
 348 static int bnxt_vfr_alloc(struct rte_eth_dev *vfr_ethdev)
 349 {
 350         int rc = 0;
 351         struct bnxt_representor *vfr = vfr_ethdev->data->dev_private;
 352         struct bnxt *parent_bp;
 353
 354         if (!vfr || !vfr->parent_dev) {
 355                 PMD_DRV_LOG(ERR,
 356                                 "No memory allocated for representor\n");
 357                 return -ENOMEM;
 358         }
 359
 360         parent_bp = vfr->parent_dev->data->dev_private;
 361         if (parent_bp && !parent_bp->ulp_ctx) {
 362                 PMD_DRV_LOG(ERR,
 363                             "ulp context not allocated for parent\n");
 364                 return -EIO;
 365         }
 366
 367         /* Check if representor has been already allocated in FW */
 368         if (vfr->vfr_tx_cfa_action)
 369                 return 0;
 370
 371         /*
 372          * Alloc VF rep rules in CFA after default VNIC is created.
 373          * Otherwise the FW will create the VF-rep rules with
 374          * default drop action.
 375          */
 376         rc = bnxt_tf_vfr_alloc(vfr_ethdev);
 377         if (!rc)
 378                 PMD_DRV_LOG(DEBUG, "allocated representor %d in FW\n",
 379                             vfr->vf_id);
 380         else
 381                 PMD_DRV_LOG(ERR,
 382                             "Failed to alloc representor %d in FW\n",
 383                             vfr->vf_id);
 384
 385         return rc;
 386 }
 387
 388 static void bnxt_rep_free_rx_mbufs(struct bnxt_representor *rep_bp)
 389 {
 390         struct bnxt_rx_queue *rxq;
 391         unsigned int i;
 392
 393         for (i = 0; i < rep_bp->rx_nr_rings; i++) {
 394                 rxq = rep_bp->rx_queues[i];
 395                 bnxt_rx_queue_release_mbufs(rxq);
 396         }
 397 }
 398
 399 int bnxt_rep_dev_start_op(struct rte_eth_dev *eth_dev)
 400 {
 401         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 402         struct bnxt_rep_info *rep_info;
 403         struct bnxt *parent_bp;
 404         int rc;
 405
 406         parent_bp = rep_bp->parent_dev->data->dev_private;
 407         rep_info = &parent_bp->rep_info[rep_bp->vf_id];
 408
 409         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR start\n", eth_dev->data->port_id);
 410         pthread_mutex_lock(&rep_info->vfr_start_lock);
 411         if (!rep_info->conduit_valid) {
 412                 rc = bnxt_get_dflt_vnic_svif(parent_bp, rep_bp);
 413                 if (rc || !rep_info->conduit_valid) {
 414                         pthread_mutex_unlock(&rep_info->vfr_start_lock);
 415                         return rc;
 416                 }
 417         }
 418         pthread_mutex_unlock(&rep_info->vfr_start_lock);
 419
 420         rc = bnxt_vfr_alloc(eth_dev);
 421         if (rc) {
 422                 eth_dev->data->dev_link.link_status = 0;
 423                 bnxt_rep_free_rx_mbufs(rep_bp);
 424                 return rc;
 425         }
 426         eth_dev->rx_pkt_burst = &bnxt_rep_rx_burst;
 427         eth_dev->tx_pkt_burst = &bnxt_rep_tx_burst;
 428         bnxt_rep_link_update_op(eth_dev, 1);
 429
 430         return 0;
 431 }
 432
 433 static int bnxt_tf_vfr_free(struct bnxt_representor *vfr)
 434 {
 435         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR ulp free\n", vfr->dpdk_port_id);
 436         return bnxt_ulp_delete_vfr_default_rules(vfr);
 437 }
 438
 439 static int bnxt_vfr_free(struct bnxt_representor *vfr)
 440 {
 441         int rc = 0;
 442         struct bnxt *parent_bp;
 443
 444         if (!vfr || !vfr->parent_dev) {
 445                 PMD_DRV_LOG(ERR,
 446                             "No memory allocated for representor\n");
 447                 return -ENOMEM;
 448         }
 449
 450         parent_bp = vfr->parent_dev->data->dev_private;
 451         if (!parent_bp) {
 452                 PMD_DRV_LOG(DEBUG, "BNXT Port:%d VFR already freed\n",
 453                             vfr->dpdk_port_id);
 454                 return 0;
 455         }
 456
 457         /* Check if representor has been already freed in FW */
 458         if (!vfr->vfr_tx_cfa_action)
 459                 return 0;
 460
 461         rc = bnxt_tf_vfr_free(vfr);
 462         if (rc) {
 463                 PMD_DRV_LOG(ERR,
 464                             "Failed to free representor %d in FW\n",
 465                             vfr->vf_id);
 466         }
 467
 468         PMD_DRV_LOG(DEBUG, "freed representor %d in FW\n",
 469                     vfr->vf_id);
 470         vfr->vfr_tx_cfa_action = 0;
 471
 472         rc = bnxt_hwrm_cfa_pair_free(parent_bp, vfr);
 473
 474         return rc;
 475 }
 476
 477 int bnxt_rep_dev_stop_op(struct rte_eth_dev *eth_dev)
 478 {
 479         struct bnxt_representor *vfr_bp = eth_dev->data->dev_private;
 480
 481         /* Avoid crashes as we are about to free queues */
 482         eth_dev->rx_pkt_burst = &bnxt_dummy_recv_pkts;
 483         eth_dev->tx_pkt_burst = &bnxt_dummy_xmit_pkts;
 484
 485         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR stop\n", eth_dev->data->port_id);
 486
 487         bnxt_vfr_free(vfr_bp);
 488
 489         if (eth_dev->data->dev_started)
 490                 eth_dev->data->dev_link.link_status = 0;
 491
 492         bnxt_rep_free_rx_mbufs(vfr_bp);
 493
 494         return 0;
 495 }
 496
 497 int bnxt_rep_dev_close_op(struct rte_eth_dev *eth_dev)
 498 {
 499         BNXT_TF_DBG(DEBUG, "BNXT Port:%d VFR close\n", eth_dev->data->port_id);
 500         bnxt_representor_uninit(eth_dev);
 501         return 0;
 502 }
 503
 504 int bnxt_rep_dev_info_get_op(struct rte_eth_dev *eth_dev,
 505                                 struct rte_eth_dev_info *dev_info)
 506 {
 507         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 508         struct bnxt *parent_bp;
 509         unsigned int max_rx_rings;
 510         int rc = 0;
 511
 512         /* MAC Specifics */
 513         parent_bp = rep_bp->parent_dev->data->dev_private;
 514         if (!parent_bp) {
 515                 PMD_DRV_LOG(ERR, "Rep parent NULL!\n");
 516                 return rc;
 517         }
 518         PMD_DRV_LOG(DEBUG, "Representor dev_info_get_op\n");
 519         dev_info->max_mac_addrs = parent_bp->max_l2_ctx;
 520         dev_info->max_hash_mac_addrs = 0;
 521
 522         max_rx_rings = BNXT_MAX_VF_REP_RINGS;
 523         /* For the sake of symmetry, max_rx_queues = max_tx_queues */
 524         dev_info->max_rx_queues = max_rx_rings;
 525         dev_info->max_tx_queues = max_rx_rings;
 526         dev_info->reta_size = bnxt_rss_hash_tbl_size(parent_bp);
 527         dev_info->hash_key_size = 40;
 528
 529         /* MTU specifics */
 530         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
 531         dev_info->max_mtu = BNXT_MAX_MTU;
 532
 533         /* Fast path specifics */
 534         dev_info->min_rx_bufsize = 1;
 535         dev_info->max_rx_pktlen = BNXT_MAX_PKT_LEN;
 536
 537         dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
 538         if (parent_bp->flags & BNXT_FLAG_PTP_SUPPORTED)
 539                 dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_TIMESTAMP;
 540         dev_info->tx_offload_capa = BNXT_DEV_TX_OFFLOAD_SUPPORT;
 541         dev_info->flow_type_rss_offloads = BNXT_ETH_RSS_SUPPORT;
 542
 543         dev_info->switch_info.name = eth_dev->device->name;
 544         dev_info->switch_info.domain_id = rep_bp->switch_domain_id;
 545         dev_info->switch_info.port_id =
 546                         rep_bp->vf_id & BNXT_SWITCH_PORT_ID_VF_MASK;
 547
 548         return 0;
 549 }
 550
 551 int bnxt_rep_dev_configure_op(__rte_unused struct rte_eth_dev *eth_dev)
 552 {
 553         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 554
 555         PMD_DRV_LOG(DEBUG, "Representor dev_configure_op\n");
 556         rep_bp->rx_queues = (void *)eth_dev->data->rx_queues;
 557         rep_bp->tx_nr_rings = eth_dev->data->nb_tx_queues;
 558         rep_bp->rx_nr_rings = eth_dev->data->nb_rx_queues;
 559
 560         return 0;
 561 }
 562
 563 static int bnxt_init_rep_rx_ring(struct bnxt_rx_queue *rxq,
 564                                  unsigned int socket_id)
 565 {
 566         struct bnxt_rx_ring_info *rxr;
 567         struct bnxt_ring *ring;
 568
 569         rxr = rte_zmalloc_socket("bnxt_rep_rx_ring",
 570                                  sizeof(struct bnxt_rx_ring_info),
 571                                  RTE_CACHE_LINE_SIZE, socket_id);
 572         if (rxr == NULL)
 573                 return -ENOMEM;
 574         rxq->rx_ring = rxr;
 575
 576         ring = rte_zmalloc_socket("bnxt_rep_rx_ring_struct",
 577                                   sizeof(struct bnxt_ring),
 578                                   RTE_CACHE_LINE_SIZE, socket_id);
 579         if (ring == NULL)
 580                 return -ENOMEM;
 581         rxr->rx_ring_struct = ring;
 582         ring->ring_size = rte_align32pow2(rxq->nb_rx_desc);
 583         ring->ring_mask = ring->ring_size - 1;
 584
 585         return 0;
 586 }
 587
 588 int bnxt_rep_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
 589                                uint16_t queue_idx,
 590                                uint16_t nb_desc,
 591                                unsigned int socket_id,
 592                                __rte_unused const struct rte_eth_rxconf *rx_conf,
 593                                __rte_unused struct rte_mempool *mp)
 594 {
 595         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 596         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 597         struct bnxt_rx_queue *parent_rxq;
 598         struct bnxt_rx_queue *rxq;
 599         struct rte_mbuf **buf_ring;
 600         int rc = 0;
 601
 602         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 603                 PMD_DRV_LOG(ERR,
 604                             "Cannot create Rx ring %d. %d rings available\n",
 605                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 606                 return -EINVAL;
 607         }
 608
 609         if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
 610                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid\n", nb_desc);
 611                 return -EINVAL;
 612         }
 613
 614         if (!parent_bp->rx_queues) {
 615                 PMD_DRV_LOG(ERR, "Parent Rx qs not configured yet\n");
 616                 return -EINVAL;
 617         }
 618
 619         parent_rxq = parent_bp->rx_queues[queue_idx];
 620         if (!parent_rxq) {
 621                 PMD_DRV_LOG(ERR, "Parent RxQ has not been configured yet\n");
 622                 return -EINVAL;
 623         }
 624
 625         if (nb_desc != parent_rxq->nb_rx_desc) {
 626                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent rxq", nb_desc);
 627                 return -EINVAL;
 628         }
 629
 630         if (eth_dev->data->rx_queues) {
 631                 rxq = eth_dev->data->rx_queues[queue_idx];
 632                 if (rxq)
 633                         bnxt_rx_queue_release_op(rxq);
 634         }
 635
 636         rxq = rte_zmalloc_socket("bnxt_vfr_rx_queue",
 637                                  sizeof(struct bnxt_rx_queue),
 638                                  RTE_CACHE_LINE_SIZE, socket_id);
 639         if (!rxq) {
 640                 PMD_DRV_LOG(ERR, "bnxt_vfr_rx_queue allocation failed!\n");
 641                 return -ENOMEM;
 642         }
 643
 644         rxq->nb_rx_desc = nb_desc;
 645
 646         rc = bnxt_init_rep_rx_ring(rxq, socket_id);
 647         if (rc)
 648                 goto out;
 649
 650         buf_ring = rte_zmalloc_socket("bnxt_rx_vfr_buf_ring",
 651                                       sizeof(struct rte_mbuf *) *
 652                                       rxq->rx_ring->rx_ring_struct->ring_size,
 653                                       RTE_CACHE_LINE_SIZE, socket_id);
 654         if (!buf_ring) {
 655                 PMD_DRV_LOG(ERR, "bnxt_rx_vfr_buf_ring allocation failed!\n");
 656                 rc = -ENOMEM;
 657                 goto out;
 658         }
 659
 660         rxq->rx_ring->rx_buf_ring = buf_ring;
 661         rxq->queue_id = queue_idx;
 662         rxq->port_id = eth_dev->data->port_id;
 663         eth_dev->data->rx_queues[queue_idx] = rxq;
 664
 665         return 0;
 666
 667 out:
 668         if (rxq)
 669                 bnxt_rep_rx_queue_release_op(rxq);
 670
 671         return rc;
 672 }
 673
 674 void bnxt_rep_rx_queue_release_op(void *rx_queue)
 675 {
 676         struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
 677
 678         if (!rxq)
 679                 return;
 680
 681         bnxt_rx_queue_release_mbufs(rxq);
 682
 683         bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
 684         rte_free(rxq->rx_ring->rx_ring_struct);
 685         rte_free(rxq->rx_ring);
 686
 687         rte_free(rxq);
 688 }
 689
 690 int bnxt_rep_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
 691                                uint16_t queue_idx,
 692                                uint16_t nb_desc,
 693                                unsigned int socket_id,
 694                                __rte_unused const struct rte_eth_txconf *tx_conf)
 695 {
 696         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 697         struct bnxt *parent_bp = rep_bp->parent_dev->data->dev_private;
 698         struct bnxt_tx_queue *parent_txq, *txq;
 699         struct bnxt_vf_rep_tx_queue *vfr_txq;
 700
 701         if (queue_idx >= BNXT_MAX_VF_REP_RINGS) {
 702                 PMD_DRV_LOG(ERR,
 703                             "Cannot create Tx rings %d. %d rings available\n",
 704                             queue_idx, BNXT_MAX_VF_REP_RINGS);
 705                 return -EINVAL;
 706         }
 707
 708         if (!nb_desc || nb_desc > MAX_TX_DESC_CNT) {
 709                 PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
 710                 return -EINVAL;
 711         }
 712
 713         if (!parent_bp->tx_queues) {
 714                 PMD_DRV_LOG(ERR, "Parent Tx qs not configured yet\n");
 715                 return -EINVAL;
 716         }
 717
 718         parent_txq = parent_bp->tx_queues[queue_idx];
 719         if (!parent_txq) {
 720                 PMD_DRV_LOG(ERR, "Parent TxQ has not been configured yet\n");
 721                 return -EINVAL;
 722         }
 723
 724         if (nb_desc != parent_txq->nb_tx_desc) {
 725                 PMD_DRV_LOG(ERR, "nb_desc %d do not match parent txq", nb_desc);
 726                 return -EINVAL;
 727         }
 728
 729         if (eth_dev->data->tx_queues) {
 730                 vfr_txq = eth_dev->data->tx_queues[queue_idx];
 731                 bnxt_rep_tx_queue_release_op(vfr_txq);
 732                 vfr_txq = NULL;
 733         }
 734
 735         vfr_txq = rte_zmalloc_socket("bnxt_vfr_tx_queue",
 736                                      sizeof(struct bnxt_vf_rep_tx_queue),
 737                                      RTE_CACHE_LINE_SIZE, socket_id);
 738         if (!vfr_txq) {
 739                 PMD_DRV_LOG(ERR, "bnxt_vfr_tx_queue allocation failed!");
 740                 return -ENOMEM;
 741         }
 742         txq = rte_zmalloc_socket("bnxt_tx_queue",
 743                                  sizeof(struct bnxt_tx_queue),
 744                                  RTE_CACHE_LINE_SIZE, socket_id);
 745         if (!txq) {
 746                 PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
 747                 rte_free(vfr_txq);
 748                 return -ENOMEM;
 749         }
 750
 751         txq->nb_tx_desc = nb_desc;
 752         txq->queue_id = queue_idx;
 753         txq->port_id = eth_dev->data->port_id;
 754         vfr_txq->txq = txq;
 755         vfr_txq->bp = rep_bp;
 756         eth_dev->data->tx_queues[queue_idx] = vfr_txq;
 757
 758         return 0;
 759 }
 760
 761 void bnxt_rep_tx_queue_release_op(void *tx_queue)
 762 {
 763         struct bnxt_vf_rep_tx_queue *vfr_txq = tx_queue;
 764
 765         if (!vfr_txq)
 766                 return;
 767
 768         rte_free(vfr_txq->txq);
 769         rte_free(vfr_txq);
 770 }
 771
 772 int bnxt_rep_stats_get_op(struct rte_eth_dev *eth_dev,
 773                              struct rte_eth_stats *stats)
 774 {
 775         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 776         int i;
 777
 778         memset(stats, 0, sizeof(*stats));
 779         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 780                 stats->obytes += rep_bp->tx_bytes[i];
 781                 stats->opackets += rep_bp->tx_pkts[i];
 782                 stats->ibytes += rep_bp->rx_bytes[i];
 783                 stats->ipackets += rep_bp->rx_pkts[i];
 784                 stats->imissed += rep_bp->rx_drop_pkts[i];
 785
 786                 stats->q_ipackets[i] = rep_bp->rx_pkts[i];
 787                 stats->q_ibytes[i] = rep_bp->rx_bytes[i];
 788                 stats->q_opackets[i] = rep_bp->tx_pkts[i];
 789                 stats->q_obytes[i] = rep_bp->tx_bytes[i];
 790                 stats->q_errors[i] = rep_bp->rx_drop_pkts[i];
 791         }
 792
 793         return 0;
 794 }
 795
 796 int bnxt_rep_stats_reset_op(struct rte_eth_dev *eth_dev)
 797 {
 798         struct bnxt_representor *rep_bp = eth_dev->data->dev_private;
 799         int i;
 800
 801         for (i = 0; i < BNXT_MAX_VF_REP_RINGS; i++) {
 802                 rep_bp->tx_pkts[i] = 0;
 803                 rep_bp->tx_bytes[i] = 0;
 804                 rep_bp->rx_pkts[i] = 0;
 805                 rep_bp->rx_bytes[i] = 0;
 806                 rep_bp->rx_drop_pkts[i] = 0;
 807         }
 808         return 0;
 809 }
 810
 811 int bnxt_rep_stop_all(struct bnxt *bp)
 812 {
 813         uint16_t vf_id;
 814         struct rte_eth_dev *rep_eth_dev;
 815         int ret;
 816
 817         /* No vfrep ports just exit */
 818         if (!bp->rep_info)
 819                 return 0;
 820
 821         for (vf_id = 0; vf_id < BNXT_MAX_VF_REPS; vf_id++) {
 822                 rep_eth_dev = bp->rep_info[vf_id].vfr_eth_dev;
 823                 if (!rep_eth_dev)
 824                         continue;
 825                 ret = bnxt_rep_dev_stop_op(rep_eth_dev);
 826                 if (ret != 0)
 827                         return ret;
 828         }
 829
 830         return 0;
 831 }