drivers/net/bnxt/bnxt_rxr.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <inttypes.h>
   7 #include <stdbool.h>
   8
   9 #include <rte_bitmap.h>
  10 #include <rte_byteorder.h>
  11 #include <rte_malloc.h>
  12 #include <rte_memory.h>
  13
  14 #include "bnxt.h"
  15 #include "bnxt_reps.h"
  16 #include "bnxt_ring.h"
  17 #include "bnxt_rxr.h"
  18 #include "bnxt_rxq.h"
  19 #include "hsi_struct_def_dpdk.h"
  20 #ifdef RTE_LIBRTE_IEEE1588
  21 #include "bnxt_hwrm.h"
  22 #endif
  23
  24 #include <bnxt_tf_common.h>
  25 #include <ulp_mark_mgr.h>
  26
  27 /*
  28  * RX Ring handling
  29  */
  30
  31 static inline struct rte_mbuf *__bnxt_alloc_rx_data(struct rte_mempool *mb)
  32 {
  33         struct rte_mbuf *data;
  34
  35         data = rte_mbuf_raw_alloc(mb);
  36
  37         return data;
  38 }
  39
  40 static inline int bnxt_alloc_rx_data(struct bnxt_rx_queue *rxq,
  41                                      struct bnxt_rx_ring_info *rxr,
  42                                      uint16_t prod)
  43 {
  44         struct rx_prod_pkt_bd *rxbd = &rxr->rx_desc_ring[prod];
  45         struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[prod];
  46         struct rte_mbuf *mbuf;
  47
  48         mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
  49         if (!mbuf) {
  50                 rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
  51                 return -ENOMEM;
  52         }
  53
  54         rx_buf->mbuf = mbuf;
  55         mbuf->data_off = RTE_PKTMBUF_HEADROOM;
  56
  57         rxbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
  58
  59         return 0;
  60 }
  61
  62 static inline int bnxt_alloc_ag_data(struct bnxt_rx_queue *rxq,
  63                                      struct bnxt_rx_ring_info *rxr,
  64                                      uint16_t prod)
  65 {
  66         struct rx_prod_pkt_bd *rxbd = &rxr->ag_desc_ring[prod];
  67         struct bnxt_sw_rx_bd *rx_buf = &rxr->ag_buf_ring[prod];
  68         struct rte_mbuf *mbuf;
  69
  70         if (rxbd == NULL) {
  71                 PMD_DRV_LOG(ERR, "Jumbo Frame. rxbd is NULL\n");
  72                 return -EINVAL;
  73         }
  74
  75         if (rx_buf == NULL) {
  76                 PMD_DRV_LOG(ERR, "Jumbo Frame. rx_buf is NULL\n");
  77                 return -EINVAL;
  78         }
  79
  80         mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
  81         if (!mbuf) {
  82                 rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
  83                 return -ENOMEM;
  84         }
  85
  86         rx_buf->mbuf = mbuf;
  87         mbuf->data_off = RTE_PKTMBUF_HEADROOM;
  88
  89         rxbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
  90
  91         return 0;
  92 }
  93
  94 static inline void bnxt_reuse_rx_mbuf(struct bnxt_rx_ring_info *rxr,
  95                                struct rte_mbuf *mbuf)
  96 {
  97         uint16_t prod = RING_NEXT(rxr->rx_ring_struct, rxr->rx_prod);
  98         struct bnxt_sw_rx_bd *prod_rx_buf;
  99         struct rx_prod_pkt_bd *prod_bd;
 100
 101         prod_rx_buf = &rxr->rx_buf_ring[prod];
 102
 103         RTE_ASSERT(prod_rx_buf->mbuf == NULL);
 104         RTE_ASSERT(mbuf != NULL);
 105
 106         prod_rx_buf->mbuf = mbuf;
 107
 108         prod_bd = &rxr->rx_desc_ring[prod];
 109
 110         prod_bd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 111
 112         rxr->rx_prod = prod;
 113 }
 114
 115 static inline
 116 struct rte_mbuf *bnxt_consume_rx_buf(struct bnxt_rx_ring_info *rxr,
 117                                      uint16_t cons)
 118 {
 119         struct bnxt_sw_rx_bd *cons_rx_buf;
 120         struct rte_mbuf *mbuf;
 121
 122         cons_rx_buf = &rxr->rx_buf_ring[cons];
 123         RTE_ASSERT(cons_rx_buf->mbuf != NULL);
 124         mbuf = cons_rx_buf->mbuf;
 125         cons_rx_buf->mbuf = NULL;
 126         return mbuf;
 127 }
 128
 129 static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
 130                            struct rx_tpa_start_cmpl *tpa_start,
 131                            struct rx_tpa_start_cmpl_hi *tpa_start1)
 132 {
 133         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 134         uint16_t agg_id;
 135         uint16_t data_cons;
 136         struct bnxt_tpa_info *tpa_info;
 137         struct rte_mbuf *mbuf;
 138
 139         agg_id = bnxt_tpa_start_agg_id(rxq->bp, tpa_start);
 140
 141         data_cons = tpa_start->opaque;
 142         tpa_info = &rxr->tpa_info[agg_id];
 143
 144         mbuf = bnxt_consume_rx_buf(rxr, data_cons);
 145
 146         bnxt_reuse_rx_mbuf(rxr, tpa_info->mbuf);
 147
 148         tpa_info->agg_count = 0;
 149         tpa_info->mbuf = mbuf;
 150         tpa_info->len = rte_le_to_cpu_32(tpa_start->len);
 151
 152         mbuf->nb_segs = 1;
 153         mbuf->next = NULL;
 154         mbuf->pkt_len = rte_le_to_cpu_32(tpa_start->len);
 155         mbuf->data_len = mbuf->pkt_len;
 156         mbuf->port = rxq->port_id;
 157         mbuf->ol_flags = PKT_RX_LRO;
 158         if (likely(tpa_start->flags_type &
 159                    rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS_RSS_VALID))) {
 160                 mbuf->hash.rss = rte_le_to_cpu_32(tpa_start->rss_hash);
 161                 mbuf->ol_flags |= PKT_RX_RSS_HASH;
 162         } else {
 163                 mbuf->hash.fdir.id = rte_le_to_cpu_16(tpa_start1->cfa_code);
 164                 mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
 165         }
 166         if (tpa_start1->flags2 &
 167             rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_META_FORMAT_VLAN)) {
 168                 mbuf->vlan_tci = rte_le_to_cpu_32(tpa_start1->metadata);
 169                 mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
 170         }
 171         if (likely(tpa_start1->flags2 &
 172                    rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_L4_CS_CALC)))
 173                 mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
 174
 175         /* recycle next mbuf */
 176         data_cons = RING_NEXT(rxr->rx_ring_struct, data_cons);
 177         bnxt_reuse_rx_mbuf(rxr, bnxt_consume_rx_buf(rxr, data_cons));
 178 }
 179
 180 static int bnxt_agg_bufs_valid(struct bnxt_cp_ring_info *cpr,
 181                 uint8_t agg_bufs, uint32_t raw_cp_cons)
 182 {
 183         uint16_t last_cp_cons;
 184         struct rx_pkt_cmpl *agg_cmpl;
 185
 186         raw_cp_cons = ADV_RAW_CMP(raw_cp_cons, agg_bufs);
 187         last_cp_cons = RING_CMP(cpr->cp_ring_struct, raw_cp_cons);
 188         agg_cmpl = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[last_cp_cons];
 189         cpr->valid = FLIP_VALID(raw_cp_cons,
 190                                 cpr->cp_ring_struct->ring_mask,
 191                                 cpr->valid);
 192         return CMP_VALID(agg_cmpl, raw_cp_cons, cpr->cp_ring_struct);
 193 }
 194
 195 /* TPA consume agg buffer out of order, allocate connected data only */
 196 static int bnxt_prod_ag_mbuf(struct bnxt_rx_queue *rxq)
 197 {
 198         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 199         uint16_t next = RING_NEXT(rxr->ag_ring_struct, rxr->ag_prod);
 200
 201         /* TODO batch allocation for better performance */
 202         while (rte_bitmap_get(rxr->ag_bitmap, next)) {
 203                 if (unlikely(bnxt_alloc_ag_data(rxq, rxr, next))) {
 204                         PMD_DRV_LOG(ERR,
 205                                 "agg mbuf alloc failed: prod=0x%x\n", next);
 206                         break;
 207                 }
 208                 rte_bitmap_clear(rxr->ag_bitmap, next);
 209                 rxr->ag_prod = next;
 210                 next = RING_NEXT(rxr->ag_ring_struct, next);
 211         }
 212
 213         return 0;
 214 }
 215
 216 static int bnxt_rx_pages(struct bnxt_rx_queue *rxq,
 217                          struct rte_mbuf *mbuf, uint32_t *tmp_raw_cons,
 218                          uint8_t agg_buf, struct bnxt_tpa_info *tpa_info)
 219 {
 220         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 221         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 222         int i;
 223         uint16_t cp_cons, ag_cons;
 224         struct rx_pkt_cmpl *rxcmp;
 225         struct rte_mbuf *last = mbuf;
 226         bool is_thor_tpa = tpa_info && BNXT_CHIP_THOR(rxq->bp);
 227
 228         for (i = 0; i < agg_buf; i++) {
 229                 struct bnxt_sw_rx_bd *ag_buf;
 230                 struct rte_mbuf *ag_mbuf;
 231
 232                 if (is_thor_tpa) {
 233                         rxcmp = (void *)&tpa_info->agg_arr[i];
 234                 } else {
 235                         *tmp_raw_cons = NEXT_RAW_CMP(*tmp_raw_cons);
 236                         cp_cons = RING_CMP(cpr->cp_ring_struct, *tmp_raw_cons);
 237                         rxcmp = (struct rx_pkt_cmpl *)
 238                                         &cpr->cp_desc_ring[cp_cons];
 239                 }
 240
 241 #ifdef BNXT_DEBUG
 242                 bnxt_dump_cmpl(cp_cons, rxcmp);
 243 #endif
 244
 245                 ag_cons = rxcmp->opaque;
 246                 RTE_ASSERT(ag_cons <= rxr->ag_ring_struct->ring_mask);
 247                 ag_buf = &rxr->ag_buf_ring[ag_cons];
 248                 ag_mbuf = ag_buf->mbuf;
 249                 RTE_ASSERT(ag_mbuf != NULL);
 250
 251                 ag_mbuf->data_len = rte_le_to_cpu_16(rxcmp->len);
 252
 253                 mbuf->nb_segs++;
 254                 mbuf->pkt_len += ag_mbuf->data_len;
 255
 256                 last->next = ag_mbuf;
 257                 last = ag_mbuf;
 258
 259                 ag_buf->mbuf = NULL;
 260
 261                 /*
 262                  * As aggregation buffer consumed out of order in TPA module,
 263                  * use bitmap to track freed slots to be allocated and notified
 264                  * to NIC
 265                  */
 266                 rte_bitmap_set(rxr->ag_bitmap, ag_cons);
 267         }
 268         bnxt_prod_ag_mbuf(rxq);
 269         return 0;
 270 }
 271
 272 static inline struct rte_mbuf *bnxt_tpa_end(
 273                 struct bnxt_rx_queue *rxq,
 274                 uint32_t *raw_cp_cons,
 275                 struct rx_tpa_end_cmpl *tpa_end,
 276                 struct rx_tpa_end_cmpl_hi *tpa_end1)
 277 {
 278         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 279         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 280         uint16_t agg_id;
 281         struct rte_mbuf *mbuf;
 282         uint8_t agg_bufs;
 283         uint8_t payload_offset;
 284         struct bnxt_tpa_info *tpa_info;
 285
 286         if (BNXT_CHIP_THOR(rxq->bp)) {
 287                 struct rx_tpa_v2_end_cmpl *th_tpa_end;
 288                 struct rx_tpa_v2_end_cmpl_hi *th_tpa_end1;
 289
 290                 th_tpa_end = (void *)tpa_end;
 291                 th_tpa_end1 = (void *)tpa_end1;
 292                 agg_id = BNXT_TPA_END_AGG_ID_TH(th_tpa_end);
 293                 agg_bufs = BNXT_TPA_END_AGG_BUFS_TH(th_tpa_end1);
 294                 payload_offset = th_tpa_end1->payload_offset;
 295         } else {
 296                 agg_id = BNXT_TPA_END_AGG_ID(tpa_end);
 297                 agg_bufs = BNXT_TPA_END_AGG_BUFS(tpa_end);
 298                 if (!bnxt_agg_bufs_valid(cpr, agg_bufs, *raw_cp_cons))
 299                         return NULL;
 300                 payload_offset = tpa_end->payload_offset;
 301         }
 302
 303         tpa_info = &rxr->tpa_info[agg_id];
 304         mbuf = tpa_info->mbuf;
 305         RTE_ASSERT(mbuf != NULL);
 306
 307         rte_prefetch0(mbuf);
 308         if (agg_bufs) {
 309                 bnxt_rx_pages(rxq, mbuf, raw_cp_cons, agg_bufs, tpa_info);
 310         }
 311         mbuf->l4_len = payload_offset;
 312
 313         struct rte_mbuf *new_data = __bnxt_alloc_rx_data(rxq->mb_pool);
 314         RTE_ASSERT(new_data != NULL);
 315         if (!new_data) {
 316                 rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
 317                 return NULL;
 318         }
 319         tpa_info->mbuf = new_data;
 320
 321         return mbuf;
 322 }
 323
 324 static uint32_t
 325 bnxt_parse_pkt_type(struct rx_pkt_cmpl *rxcmp, struct rx_pkt_cmpl_hi *rxcmp1)
 326 {
 327         uint32_t l3, pkt_type = 0;
 328         uint32_t t_ipcs = 0, ip6 = 0, vlan = 0;
 329         uint32_t flags_type;
 330
 331         vlan = !!(rxcmp1->flags2 &
 332                 rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN));
 333         pkt_type |= vlan ? RTE_PTYPE_L2_ETHER_VLAN : RTE_PTYPE_L2_ETHER;
 334
 335         t_ipcs = !!(rxcmp1->flags2 &
 336                 rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC));
 337         ip6 = !!(rxcmp1->flags2 &
 338                  rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS2_IP_TYPE));
 339
 340         flags_type = rxcmp->flags_type &
 341                 rte_cpu_to_le_32(RX_PKT_CMPL_FLAGS_ITYPE_MASK);
 342
 343         if (!t_ipcs && !ip6)
 344                 l3 = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
 345         else if (!t_ipcs && ip6)
 346                 l3 = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
 347         else if (t_ipcs && !ip6)
 348                 l3 = RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
 349         else
 350                 l3 = RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
 351
 352         switch (flags_type) {
 353         case RTE_LE32(RX_PKT_CMPL_FLAGS_ITYPE_ICMP):
 354                 if (!t_ipcs)
 355                         pkt_type |= l3 | RTE_PTYPE_L4_ICMP;
 356                 else
 357                         pkt_type |= l3 | RTE_PTYPE_INNER_L4_ICMP;
 358                 break;
 359
 360         case RTE_LE32(RX_PKT_CMPL_FLAGS_ITYPE_TCP):
 361                 if (!t_ipcs)
 362                         pkt_type |= l3 | RTE_PTYPE_L4_TCP;
 363                 else
 364                         pkt_type |= l3 | RTE_PTYPE_INNER_L4_TCP;
 365                 break;
 366
 367         case RTE_LE32(RX_PKT_CMPL_FLAGS_ITYPE_UDP):
 368                 if (!t_ipcs)
 369                         pkt_type |= l3 | RTE_PTYPE_L4_UDP;
 370                 else
 371                         pkt_type |= l3 | RTE_PTYPE_INNER_L4_UDP;
 372                 break;
 373
 374         case RTE_LE32(RX_PKT_CMPL_FLAGS_ITYPE_IP):
 375                 pkt_type |= l3;
 376                 break;
 377         }
 378
 379         return pkt_type;
 380 }
 381
 382 #ifdef RTE_LIBRTE_IEEE1588
 383 static void
 384 bnxt_get_rx_ts_thor(struct bnxt *bp, uint32_t rx_ts_cmpl)
 385 {
 386         uint64_t systime_cycles = 0;
 387
 388         if (!BNXT_CHIP_THOR(bp))
 389                 return;
 390
 391         /* On Thor, Rx timestamps are provided directly in the
 392          * Rx completion records to the driver. Only 32 bits of
 393          * the timestamp is present in the completion. Driver needs
 394          * to read the current 48 bit free running timer using the
 395          * HWRM_PORT_TS_QUERY command and combine the upper 16 bits
 396          * from the HWRM response with the lower 32 bits in the
 397          * Rx completion to produce the 48 bit timestamp for the Rx packet
 398          */
 399         bnxt_hwrm_port_ts_query(bp, BNXT_PTP_FLAGS_CURRENT_TIME,
 400                                 &systime_cycles);
 401         bp->ptp_cfg->rx_timestamp = (systime_cycles & 0xFFFF00000000);
 402         bp->ptp_cfg->rx_timestamp |= rx_ts_cmpl;
 403 }
 404 #endif
 405
 406 static uint32_t
 407 bnxt_ulp_set_mark_in_mbuf(struct bnxt *bp, struct rx_pkt_cmpl_hi *rxcmp1,
 408                           struct rte_mbuf *mbuf, uint32_t *vfr_flag)
 409 {
 410         uint32_t cfa_code;
 411         uint32_t meta_fmt;
 412         uint32_t meta;
 413         bool gfid = false;
 414         uint32_t mark_id;
 415         uint32_t flags2;
 416         uint32_t gfid_support = 0;
 417         int rc;
 418
 419         if (BNXT_GFID_ENABLED(bp))
 420                 gfid_support = 1;
 421
 422         cfa_code = rte_le_to_cpu_16(rxcmp1->cfa_code);
 423         flags2 = rte_le_to_cpu_32(rxcmp1->flags2);
 424         meta = rte_le_to_cpu_32(rxcmp1->metadata);
 425
 426         /*
 427          * The flags field holds extra bits of info from [6:4]
 428          * which indicate if the flow is in TCAM or EM or EEM
 429          */
 430         meta_fmt = (flags2 & BNXT_CFA_META_FMT_MASK) >>
 431                 BNXT_CFA_META_FMT_SHFT;
 432
 433         switch (meta_fmt) {
 434         case 0:
 435                 if (gfid_support) {
 436                         /* Not an LFID or GFID, a flush cmd. */
 437                         goto skip_mark;
 438                 } else {
 439                         /* LFID mode, no vlan scenario */
 440                         gfid = false;
 441                 }
 442                 break;
 443         case 4:
 444         case 5:
 445                 /*
 446                  * EM/TCAM case
 447                  * Assume that EM doesn't support Mark due to GFID
 448                  * collisions with EEM.  Simply return without setting the mark
 449                  * in the mbuf.
 450                  */
 451                 if (BNXT_CFA_META_EM_TEST(meta)) {
 452                         /*This is EM hit {EM(1), GFID[27:16], 19'd0 or vtag } */
 453                         gfid = true;
 454                         meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
 455                         cfa_code |= meta << BNXT_CFA_CODE_META_SHIFT;
 456                 } else {
 457                         /*
 458                          * It is a TCAM entry, so it is an LFID.
 459                          * The TCAM IDX and Mode can also be determined
 460                          * by decoding the meta_data. We are not
 461                          * using these for now.
 462                          */
 463                 }
 464                 break;
 465         case 6:
 466         case 7:
 467                 /* EEM Case, only using gfid in EEM for now. */
 468                 gfid = true;
 469
 470                 /*
 471                  * For EEM flows, The first part of cfa_code is 16 bits.
 472                  * The second part is embedded in the
 473                  * metadata field from bit 19 onwards. The driver needs to
 474                  * ignore the first 19 bits of metadata and use the next 12
 475                  * bits as higher 12 bits of cfa_code.
 476                  */
 477                 meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
 478                 cfa_code |= meta << BNXT_CFA_CODE_META_SHIFT;
 479                 break;
 480         default:
 481                 /* For other values, the cfa_code is assumed to be an LFID. */
 482                 break;
 483         }
 484
 485         rc = ulp_mark_db_mark_get(bp->ulp_ctx, gfid,
 486                                   cfa_code, vfr_flag, &mark_id);
 487         if (!rc) {
 488                 /* VF to VFR Rx path. So, skip mark_id injection in mbuf */
 489                 if (vfr_flag && *vfr_flag)
 490                         return mark_id;
 491                 /* Got the mark, write it to the mbuf and return */
 492                 mbuf->hash.fdir.hi = mark_id;
 493                 mbuf->udata64 = (cfa_code & 0xffffffffull) << 32;
 494                 mbuf->hash.fdir.id = rxcmp1->cfa_code;
 495                 mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
 496                 return mark_id;
 497         }
 498
 499 skip_mark:
 500         mbuf->hash.fdir.hi = 0;
 501         mbuf->hash.fdir.id = 0;
 502
 503         return 0;
 504 }
 505
 506 void bnxt_set_mark_in_mbuf(struct bnxt *bp,
 507                            struct rx_pkt_cmpl_hi *rxcmp1,
 508                            struct rte_mbuf *mbuf)
 509 {
 510         uint32_t cfa_code = 0;
 511         uint8_t meta_fmt = 0;
 512         uint16_t flags2 = 0;
 513         uint32_t meta =  0;
 514
 515         cfa_code = rte_le_to_cpu_16(rxcmp1->cfa_code);
 516         if (!cfa_code)
 517                 return;
 518
 519         if (cfa_code && !bp->mark_table[cfa_code].valid)
 520                 return;
 521
 522         flags2 = rte_le_to_cpu_16(rxcmp1->flags2);
 523         meta = rte_le_to_cpu_32(rxcmp1->metadata);
 524         if (meta) {
 525                 meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
 526
 527                 /* The flags field holds extra bits of info from [6:4]
 528                  * which indicate if the flow is in TCAM or EM or EEM
 529                  */
 530                 meta_fmt = (flags2 & BNXT_CFA_META_FMT_MASK) >>
 531                            BNXT_CFA_META_FMT_SHFT;
 532
 533                 /* meta_fmt == 4 => 'b100 => 'b10x => EM.
 534                  * meta_fmt == 5 => 'b101 => 'b10x => EM + VLAN
 535                  * meta_fmt == 6 => 'b110 => 'b11x => EEM
 536                  * meta_fmt == 7 => 'b111 => 'b11x => EEM + VLAN.
 537                  */
 538                 meta_fmt >>= BNXT_CFA_META_FMT_EM_EEM_SHFT;
 539         }
 540
 541         mbuf->hash.fdir.hi = bp->mark_table[cfa_code].mark_id;
 542         mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
 543 }
 544
 545 static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 546                        struct bnxt_rx_queue *rxq, uint32_t *raw_cons)
 547 {
 548         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 549         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 550         struct rx_pkt_cmpl *rxcmp;
 551         struct rx_pkt_cmpl_hi *rxcmp1;
 552         uint32_t tmp_raw_cons = *raw_cons;
 553         uint16_t cons, prod, cp_cons =
 554             RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
 555         struct rte_mbuf *mbuf;
 556         int rc = 0;
 557         uint8_t agg_buf = 0;
 558         uint16_t cmp_type;
 559         uint32_t flags2_f = 0, vfr_flag = 0, mark_id = 0;
 560         uint16_t flags_type;
 561         struct bnxt *bp = rxq->bp;
 562
 563         rxcmp = (struct rx_pkt_cmpl *)
 564             &cpr->cp_desc_ring[cp_cons];
 565
 566         cmp_type = CMP_TYPE(rxcmp);
 567
 568         if (cmp_type == RX_TPA_V2_ABUF_CMPL_TYPE_RX_TPA_AGG) {
 569                 struct rx_tpa_v2_abuf_cmpl *rx_agg = (void *)rxcmp;
 570                 uint16_t agg_id = rte_cpu_to_le_16(rx_agg->agg_id);
 571                 struct bnxt_tpa_info *tpa_info;
 572
 573                 tpa_info = &rxr->tpa_info[agg_id];
 574                 RTE_ASSERT(tpa_info->agg_count < 16);
 575                 tpa_info->agg_arr[tpa_info->agg_count++] = *rx_agg;
 576                 rc = -EINVAL; /* Continue w/o new mbuf */
 577                 goto next_rx;
 578         }
 579
 580         tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
 581         cp_cons = RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
 582         rxcmp1 = (struct rx_pkt_cmpl_hi *)&cpr->cp_desc_ring[cp_cons];
 583
 584         if (!CMP_VALID(rxcmp1, tmp_raw_cons, cpr->cp_ring_struct))
 585                 return -EBUSY;
 586
 587         cpr->valid = FLIP_VALID(cp_cons,
 588                                 cpr->cp_ring_struct->ring_mask,
 589                                 cpr->valid);
 590
 591         if (cmp_type == RX_TPA_START_CMPL_TYPE_RX_TPA_START) {
 592                 bnxt_tpa_start(rxq, (struct rx_tpa_start_cmpl *)rxcmp,
 593                                (struct rx_tpa_start_cmpl_hi *)rxcmp1);
 594                 rc = -EINVAL; /* Continue w/o new mbuf */
 595                 goto next_rx;
 596         } else if (cmp_type == RX_TPA_END_CMPL_TYPE_RX_TPA_END) {
 597                 mbuf = bnxt_tpa_end(rxq, &tmp_raw_cons,
 598                                    (struct rx_tpa_end_cmpl *)rxcmp,
 599                                    (struct rx_tpa_end_cmpl_hi *)rxcmp1);
 600                 if (unlikely(!mbuf))
 601                         return -EBUSY;
 602                 *rx_pkt = mbuf;
 603                 goto next_rx;
 604         } else if (cmp_type != 0x11) {
 605                 rc = -EINVAL;
 606                 goto next_rx;
 607         }
 608
 609         agg_buf = (rxcmp->agg_bufs_v1 & RX_PKT_CMPL_AGG_BUFS_MASK)
 610                         >> RX_PKT_CMPL_AGG_BUFS_SFT;
 611         if (agg_buf && !bnxt_agg_bufs_valid(cpr, agg_buf, tmp_raw_cons))
 612                 return -EBUSY;
 613
 614         prod = rxr->rx_prod;
 615
 616         cons = rxcmp->opaque;
 617         mbuf = bnxt_consume_rx_buf(rxr, cons);
 618         if (mbuf == NULL)
 619                 return -EBUSY;
 620
 621         rte_prefetch0(mbuf);
 622
 623         mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 624         mbuf->nb_segs = 1;
 625         mbuf->next = NULL;
 626         mbuf->pkt_len = rxcmp->len;
 627         mbuf->data_len = mbuf->pkt_len;
 628         mbuf->port = rxq->port_id;
 629         mbuf->ol_flags = 0;
 630
 631         flags_type = rte_le_to_cpu_16(rxcmp->flags_type);
 632         if (flags_type & RX_PKT_CMPL_FLAGS_RSS_VALID) {
 633                 mbuf->hash.rss = rxcmp->rss_hash;
 634                 mbuf->ol_flags |= PKT_RX_RSS_HASH;
 635         }
 636
 637         if (BNXT_TRUFLOW_EN(bp))
 638                 mark_id = bnxt_ulp_set_mark_in_mbuf(rxq->bp, rxcmp1, mbuf,
 639                                                     &vfr_flag);
 640         else
 641                 bnxt_set_mark_in_mbuf(rxq->bp, rxcmp1, mbuf);
 642
 643 #ifdef RTE_LIBRTE_IEEE1588
 644         if (unlikely((flags_type & RX_PKT_CMPL_FLAGS_MASK) ==
 645                      RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP)) {
 646                 mbuf->ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST;
 647                 bnxt_get_rx_ts_thor(rxq->bp, rxcmp1->reorder);
 648         }
 649 #endif
 650         if (agg_buf)
 651                 bnxt_rx_pages(rxq, mbuf, &tmp_raw_cons, agg_buf, NULL);
 652
 653         if (rxcmp1->flags2 & RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN) {
 654                 mbuf->vlan_tci = rxcmp1->metadata &
 655                         (RX_PKT_CMPL_METADATA_VID_MASK |
 656                         RX_PKT_CMPL_METADATA_DE |
 657                         RX_PKT_CMPL_METADATA_PRI_MASK);
 658                 mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
 659         }
 660
 661         flags2_f = flags2_0xf(rxcmp1);
 662         /* IP Checksum */
 663         if (likely(IS_IP_NONTUNNEL_PKT(flags2_f))) {
 664                 if (unlikely(RX_CMP_IP_CS_ERROR(rxcmp1)))
 665                         mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
 666                 else if (unlikely(RX_CMP_IP_CS_UNKNOWN(rxcmp1)))
 667                         mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
 668                 else
 669                         mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
 670         } else if (IS_IP_TUNNEL_PKT(flags2_f)) {
 671                 if (unlikely(RX_CMP_IP_OUTER_CS_ERROR(rxcmp1) ||
 672                              RX_CMP_IP_CS_ERROR(rxcmp1)))
 673                         mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
 674                 else if (unlikely(RX_CMP_IP_CS_UNKNOWN(rxcmp1)))
 675                         mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
 676                 else
 677                         mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
 678         }
 679
 680         /* L4 Checksum */
 681         if (likely(IS_L4_NONTUNNEL_PKT(flags2_f))) {
 682                 if (unlikely(RX_CMP_L4_INNER_CS_ERR2(rxcmp1)))
 683                         mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
 684                 else
 685                         mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
 686         } else if (IS_L4_TUNNEL_PKT(flags2_f)) {
 687                 if (unlikely(RX_CMP_L4_INNER_CS_ERR2(rxcmp1)))
 688                         mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
 689                 else
 690                         mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
 691                 if (unlikely(RX_CMP_L4_OUTER_CS_ERR2(rxcmp1))) {
 692                         mbuf->ol_flags |= PKT_RX_OUTER_L4_CKSUM_BAD;
 693                 } else if (unlikely(IS_L4_TUNNEL_PKT_ONLY_INNER_L4_CS
 694                                     (flags2_f))) {
 695                         mbuf->ol_flags |= PKT_RX_OUTER_L4_CKSUM_UNKNOWN;
 696                 } else {
 697                         mbuf->ol_flags |= PKT_RX_OUTER_L4_CKSUM_GOOD;
 698                 }
 699         } else if (unlikely(RX_CMP_L4_CS_UNKNOWN(rxcmp1))) {
 700                 mbuf->ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
 701         }
 702
 703         mbuf->packet_type = bnxt_parse_pkt_type(rxcmp, rxcmp1);
 704
 705 #ifdef BNXT_DEBUG
 706         if (rxcmp1->errors_v2 & RX_CMP_L2_ERRORS) {
 707                 /* Re-install the mbuf back to the rx ring */
 708                 bnxt_reuse_rx_mbuf(rxr, cons, mbuf);
 709
 710                 rc = -EIO;
 711                 goto next_rx;
 712         }
 713 #endif
 714         /*
 715          * TODO: Redesign this....
 716          * If the allocation fails, the packet does not get received.
 717          * Simply returning this will result in slowly falling behind
 718          * on the producer ring buffers.
 719          * Instead, "filling up" the producer just before ringing the
 720          * doorbell could be a better solution since it will let the
 721          * producer ring starve until memory is available again pushing
 722          * the drops into hardware and getting them out of the driver
 723          * allowing recovery to a full producer ring.
 724          *
 725          * This could also help with cache usage by preventing per-packet
 726          * calls in favour of a tight loop with the same function being called
 727          * in it.
 728          */
 729         prod = RING_NEXT(rxr->rx_ring_struct, prod);
 730         if (bnxt_alloc_rx_data(rxq, rxr, prod)) {
 731                 PMD_DRV_LOG(ERR, "mbuf alloc failed with prod=0x%x\n", prod);
 732                 rc = -ENOMEM;
 733                 goto rx;
 734         }
 735         rxr->rx_prod = prod;
 736         /*
 737          * All MBUFs are allocated with the same size under DPDK,
 738          * no optimization for rx_copy_thresh
 739          */
 740 rx:
 741         *rx_pkt = mbuf;
 742
 743         if (BNXT_TRUFLOW_EN(bp) &&
 744             (BNXT_VF_IS_TRUSTED(bp) || BNXT_PF(bp)) &&
 745             vfr_flag) {
 746                 if (!bnxt_vfr_recv(mark_id, rxq->queue_id, mbuf)) {
 747                         /* Now return an error so that nb_rx_pkts is not
 748                          * incremented.
 749                          * This packet was meant to be given to the representor.
 750                          * So no need to account the packet and give it to
 751                          * parent Rx burst function.
 752                          */
 753                         rc = -ENODEV;
 754                 }
 755         }
 756
 757 next_rx:
 758
 759         *raw_cons = tmp_raw_cons;
 760
 761         return rc;
 762 }
 763
 764 uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 765                                uint16_t nb_pkts)
 766 {
 767         struct bnxt_rx_queue *rxq = rx_queue;
 768         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 769         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 770         uint32_t raw_cons = cpr->cp_raw_cons;
 771         uint32_t cons;
 772         int nb_rx_pkts = 0;
 773         int nb_rep_rx_pkts = 0;
 774         struct rx_pkt_cmpl *rxcmp;
 775         uint16_t prod = rxr->rx_prod;
 776         uint16_t ag_prod = rxr->ag_prod;
 777         int rc = 0;
 778         bool evt = false;
 779
 780         if (unlikely(is_bnxt_in_error(rxq->bp)))
 781                 return 0;
 782
 783         /* If Rx Q was stopped return */
 784         if (unlikely(!rxq->rx_started ||
 785                      !rte_spinlock_trylock(&rxq->lock)))
 786                 return 0;
 787
 788 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
 789         /*
 790          * Replenish buffers if needed when a transition has been made from
 791          * vector- to non-vector- receive processing.
 792          */
 793         while (unlikely(rxq->rxrearm_nb)) {
 794                 if (!bnxt_alloc_rx_data(rxq, rxr, rxq->rxrearm_start)) {
 795                         rxr->rx_prod = rxq->rxrearm_start;
 796                         bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 797                         rxq->rxrearm_start++;
 798                         rxq->rxrearm_nb--;
 799                 } else {
 800                         /* Retry allocation on next call. */
 801                         break;
 802                 }
 803         }
 804 #endif
 805
 806         /* Handle RX burst request */
 807         while (1) {
 808                 cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
 809                 rte_prefetch0(&cpr->cp_desc_ring[cons]);
 810                 rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
 811
 812                 if (!CMP_VALID(rxcmp, raw_cons, cpr->cp_ring_struct))
 813                         break;
 814                 cpr->valid = FLIP_VALID(cons,
 815                                         cpr->cp_ring_struct->ring_mask,
 816                                         cpr->valid);
 817
 818                 /* TODO: Avoid magic numbers... */
 819                 if ((CMP_TYPE(rxcmp) & 0x30) == 0x10) {
 820                         rc = bnxt_rx_pkt(&rx_pkts[nb_rx_pkts], rxq, &raw_cons);
 821                         if (likely(!rc) || rc == -ENOMEM)
 822                                 nb_rx_pkts++;
 823                         if (rc == -EBUSY)       /* partial completion */
 824                                 break;
 825                         if (rc == -ENODEV)      /* completion for representor */
 826                                 nb_rep_rx_pkts++;
 827                 } else if (!BNXT_NUM_ASYNC_CPR(rxq->bp)) {
 828                         evt =
 829                         bnxt_event_hwrm_resp_handler(rxq->bp,
 830                                                      (struct cmpl_base *)rxcmp);
 831                         /* If the async event is Fatal error, return */
 832                         if (unlikely(is_bnxt_in_error(rxq->bp)))
 833                                 goto done;
 834                 }
 835
 836                 raw_cons = NEXT_RAW_CMP(raw_cons);
 837                 if (nb_rx_pkts == nb_pkts || evt)
 838                         break;
 839                 /* Post some Rx buf early in case of larger burst processing */
 840                 if (nb_rx_pkts == BNXT_RX_POST_THRESH)
 841                         bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 842         }
 843
 844         cpr->cp_raw_cons = raw_cons;
 845         if (!nb_rx_pkts && !nb_rep_rx_pkts && !evt) {
 846                 /*
 847                  * For PMD, there is no need to keep on pushing to REARM
 848                  * the doorbell if there are no new completions
 849                  */
 850                 goto done;
 851         }
 852
 853         if (prod != rxr->rx_prod)
 854                 bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 855
 856         /* Ring the AGG ring DB */
 857         if (ag_prod != rxr->ag_prod)
 858                 bnxt_db_write(&rxr->ag_db, rxr->ag_prod);
 859
 860         bnxt_db_cq(cpr);
 861
 862         /* Attempt to alloc Rx buf in case of a previous allocation failure. */
 863         if (rc == -ENOMEM) {
 864                 int i = RING_NEXT(rxr->rx_ring_struct, prod);
 865                 int cnt = nb_rx_pkts;
 866
 867                 for (; cnt;
 868                         i = RING_NEXT(rxr->rx_ring_struct, i), cnt--) {
 869                         struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[i];
 870
 871                         /* Buffer already allocated for this index. */
 872                         if (rx_buf->mbuf != NULL)
 873                                 continue;
 874
 875                         /* This slot is empty. Alloc buffer for Rx */
 876                         if (!bnxt_alloc_rx_data(rxq, rxr, i)) {
 877                                 rxr->rx_prod = i;
 878                                 bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 879                         } else {
 880                                 PMD_DRV_LOG(ERR, "Alloc  mbuf failed\n");
 881                                 break;
 882                         }
 883                 }
 884         }
 885
 886 done:
 887         rte_spinlock_unlock(&rxq->lock);
 888
 889         return nb_rx_pkts;
 890 }
 891
 892 /*
 893  * Dummy DPDK callback for RX.
 894  *
 895  * This function is used to temporarily replace the real callback during
 896  * unsafe control operations on the queue, or in case of error.
 897  */
 898 uint16_t
 899 bnxt_dummy_recv_pkts(void *rx_queue __rte_unused,
 900                      struct rte_mbuf **rx_pkts __rte_unused,
 901                      uint16_t nb_pkts __rte_unused)
 902 {
 903         return 0;
 904 }
 905
 906 void bnxt_free_rx_rings(struct bnxt *bp)
 907 {
 908         int i;
 909         struct bnxt_rx_queue *rxq;
 910
 911         if (!bp->rx_queues)
 912                 return;
 913
 914         for (i = 0; i < (int)bp->rx_nr_rings; i++) {
 915                 rxq = bp->rx_queues[i];
 916                 if (!rxq)
 917                         continue;
 918
 919                 bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
 920                 rte_free(rxq->rx_ring->rx_ring_struct);
 921
 922                 /* Free the Aggregator ring */
 923                 bnxt_free_ring(rxq->rx_ring->ag_ring_struct);
 924                 rte_free(rxq->rx_ring->ag_ring_struct);
 925                 rxq->rx_ring->ag_ring_struct = NULL;
 926
 927                 rte_free(rxq->rx_ring);
 928
 929                 bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
 930                 rte_free(rxq->cp_ring->cp_ring_struct);
 931                 rte_free(rxq->cp_ring);
 932
 933                 rte_free(rxq);
 934                 bp->rx_queues[i] = NULL;
 935         }
 936 }
 937
 938 int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id)
 939 {
 940         struct bnxt_cp_ring_info *cpr;
 941         struct bnxt_rx_ring_info *rxr;
 942         struct bnxt_ring *ring;
 943
 944         rxq->rx_buf_size = BNXT_MAX_PKT_LEN + sizeof(struct rte_mbuf);
 945
 946         rxr = rte_zmalloc_socket("bnxt_rx_ring",
 947                                  sizeof(struct bnxt_rx_ring_info),
 948                                  RTE_CACHE_LINE_SIZE, socket_id);
 949         if (rxr == NULL)
 950                 return -ENOMEM;
 951         rxq->rx_ring = rxr;
 952
 953         ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
 954                                    sizeof(struct bnxt_ring),
 955                                    RTE_CACHE_LINE_SIZE, socket_id);
 956         if (ring == NULL)
 957                 return -ENOMEM;
 958         rxr->rx_ring_struct = ring;
 959         ring->ring_size = rte_align32pow2(rxq->nb_rx_desc);
 960         ring->ring_mask = ring->ring_size - 1;
 961         ring->bd = (void *)rxr->rx_desc_ring;
 962         ring->bd_dma = rxr->rx_desc_mapping;
 963         ring->vmem_size = ring->ring_size * sizeof(struct bnxt_sw_rx_bd);
 964         ring->vmem = (void **)&rxr->rx_buf_ring;
 965
 966         cpr = rte_zmalloc_socket("bnxt_rx_ring",
 967                                  sizeof(struct bnxt_cp_ring_info),
 968                                  RTE_CACHE_LINE_SIZE, socket_id);
 969         if (cpr == NULL)
 970                 return -ENOMEM;
 971         rxq->cp_ring = cpr;
 972
 973         ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
 974                                    sizeof(struct bnxt_ring),
 975                                    RTE_CACHE_LINE_SIZE, socket_id);
 976         if (ring == NULL)
 977                 return -ENOMEM;
 978         cpr->cp_ring_struct = ring;
 979         ring->ring_size = rte_align32pow2(rxr->rx_ring_struct->ring_size *
 980                                           (2 + AGG_RING_SIZE_FACTOR));
 981         ring->ring_mask = ring->ring_size - 1;
 982         ring->bd = (void *)cpr->cp_desc_ring;
 983         ring->bd_dma = cpr->cp_desc_mapping;
 984         ring->vmem_size = 0;
 985         ring->vmem = NULL;
 986
 987         /* Allocate Aggregator rings */
 988         ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
 989                                    sizeof(struct bnxt_ring),
 990                                    RTE_CACHE_LINE_SIZE, socket_id);
 991         if (ring == NULL)
 992                 return -ENOMEM;
 993         rxr->ag_ring_struct = ring;
 994         ring->ring_size = rte_align32pow2(rxq->nb_rx_desc *
 995                                           AGG_RING_SIZE_FACTOR);
 996         ring->ring_mask = ring->ring_size - 1;
 997         ring->bd = (void *)rxr->ag_desc_ring;
 998         ring->bd_dma = rxr->ag_desc_mapping;
 999         ring->vmem_size = ring->ring_size * sizeof(struct bnxt_sw_rx_bd);
1000         ring->vmem = (void **)&rxr->ag_buf_ring;
1001
1002         return 0;
1003 }
1004
1005 static void bnxt_init_rxbds(struct bnxt_ring *ring, uint32_t type,
1006                             uint16_t len)
1007 {
1008         uint32_t j;
1009         struct rx_prod_pkt_bd *rx_bd_ring = (struct rx_prod_pkt_bd *)ring->bd;
1010
1011         if (!rx_bd_ring)
1012                 return;
1013         for (j = 0; j < ring->ring_size; j++) {
1014                 rx_bd_ring[j].flags_type = rte_cpu_to_le_16(type);
1015                 rx_bd_ring[j].len = rte_cpu_to_le_16(len);
1016                 rx_bd_ring[j].opaque = j;
1017         }
1018 }
1019
1020 int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq)
1021 {
1022         struct bnxt_rx_ring_info *rxr;
1023         struct bnxt_ring *ring;
1024         uint32_t prod, type;
1025         unsigned int i;
1026         uint16_t size;
1027
1028         size = rte_pktmbuf_data_room_size(rxq->mb_pool) - RTE_PKTMBUF_HEADROOM;
1029         size = RTE_MIN(BNXT_MAX_PKT_LEN, size);
1030
1031         type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT | RX_PROD_PKT_BD_FLAGS_EOP_PAD;
1032
1033         rxr = rxq->rx_ring;
1034         ring = rxr->rx_ring_struct;
1035         bnxt_init_rxbds(ring, type, size);
1036
1037         prod = rxr->rx_prod;
1038         for (i = 0; i < ring->ring_size; i++) {
1039                 if (unlikely(!rxr->rx_buf_ring[i].mbuf)) {
1040                         if (bnxt_alloc_rx_data(rxq, rxr, prod) != 0) {
1041                                 PMD_DRV_LOG(WARNING,
1042                                             "init'ed rx ring %d with %d/%d mbufs only\n",
1043                                             rxq->queue_id, i, ring->ring_size);
1044                                 break;
1045                         }
1046                 }
1047                 rxr->rx_prod = prod;
1048                 prod = RING_NEXT(rxr->rx_ring_struct, prod);
1049         }
1050
1051         ring = rxr->ag_ring_struct;
1052         type = RX_PROD_AGG_BD_TYPE_RX_PROD_AGG;
1053         bnxt_init_rxbds(ring, type, size);
1054         prod = rxr->ag_prod;
1055
1056         for (i = 0; i < ring->ring_size; i++) {
1057                 if (unlikely(!rxr->ag_buf_ring[i].mbuf)) {
1058                         if (bnxt_alloc_ag_data(rxq, rxr, prod) != 0) {
1059                                 PMD_DRV_LOG(WARNING,
1060                                             "init'ed AG ring %d with %d/%d mbufs only\n",
1061                                             rxq->queue_id, i, ring->ring_size);
1062                                 break;
1063                         }
1064                 }
1065                 rxr->ag_prod = prod;
1066                 prod = RING_NEXT(rxr->ag_ring_struct, prod);
1067         }
1068         PMD_DRV_LOG(DEBUG, "AGG Done!\n");
1069
1070         if (rxr->tpa_info) {
1071                 unsigned int max_aggs = BNXT_TPA_MAX_AGGS(rxq->bp);
1072
1073                 for (i = 0; i < max_aggs; i++) {
1074                         if (unlikely(!rxr->tpa_info[i].mbuf)) {
1075                                 rxr->tpa_info[i].mbuf =
1076                                         __bnxt_alloc_rx_data(rxq->mb_pool);
1077                                 if (!rxr->tpa_info[i].mbuf) {
1078                                         rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
1079                                         return -ENOMEM;
1080                                 }
1081                         }
1082                 }
1083         }
1084         PMD_DRV_LOG(DEBUG, "TPA alloc Done!\n");
1085
1086         return 0;
1087 }