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 rte_mbuf **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;
  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 rte_mbuf **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;
  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 rte_mbuf **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 == NULL);
 104         RTE_ASSERT(mbuf != NULL);
 105
 106         *prod_rx_buf = 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 rte_mbuf **cons_rx_buf;
 120         struct rte_mbuf *mbuf;
 121
 122         cons_rx_buf = &rxr->rx_buf_ring[cons];
 123         RTE_ASSERT(*cons_rx_buf != NULL);
 124         mbuf = *cons_rx_buf;
 125         *cons_rx_buf = NULL;
 126
 127         return mbuf;
 128 }
 129
 130 static void bnxt_tpa_start(struct bnxt_rx_queue *rxq,
 131                            struct rx_tpa_start_cmpl *tpa_start,
 132                            struct rx_tpa_start_cmpl_hi *tpa_start1)
 133 {
 134         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 135         uint16_t agg_id;
 136         uint16_t data_cons;
 137         struct bnxt_tpa_info *tpa_info;
 138         struct rte_mbuf *mbuf;
 139
 140         agg_id = bnxt_tpa_start_agg_id(rxq->bp, tpa_start);
 141
 142         data_cons = tpa_start->opaque;
 143         tpa_info = &rxr->tpa_info[agg_id];
 144
 145         mbuf = bnxt_consume_rx_buf(rxr, data_cons);
 146
 147         bnxt_reuse_rx_mbuf(rxr, tpa_info->mbuf);
 148
 149         tpa_info->agg_count = 0;
 150         tpa_info->mbuf = mbuf;
 151         tpa_info->len = rte_le_to_cpu_32(tpa_start->len);
 152
 153         mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 154         mbuf->nb_segs = 1;
 155         mbuf->next = NULL;
 156         mbuf->pkt_len = rte_le_to_cpu_32(tpa_start->len);
 157         mbuf->data_len = mbuf->pkt_len;
 158         mbuf->port = rxq->port_id;
 159         mbuf->ol_flags = PKT_RX_LRO;
 160         if (likely(tpa_start->flags_type &
 161                    rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS_RSS_VALID))) {
 162                 mbuf->hash.rss = rte_le_to_cpu_32(tpa_start->rss_hash);
 163                 mbuf->ol_flags |= PKT_RX_RSS_HASH;
 164         } else {
 165                 mbuf->hash.fdir.id = rte_le_to_cpu_16(tpa_start1->cfa_code);
 166                 mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
 167         }
 168         if (tpa_start1->flags2 &
 169             rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_META_FORMAT_VLAN)) {
 170                 mbuf->vlan_tci = rte_le_to_cpu_32(tpa_start1->metadata);
 171                 mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
 172         }
 173         if (likely(tpa_start1->flags2 &
 174                    rte_cpu_to_le_32(RX_TPA_START_CMPL_FLAGS2_L4_CS_CALC)))
 175                 mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
 176
 177         /* recycle next mbuf */
 178         data_cons = RING_NEXT(rxr->rx_ring_struct, data_cons);
 179         bnxt_reuse_rx_mbuf(rxr, bnxt_consume_rx_buf(rxr, data_cons));
 180 }
 181
 182 static int bnxt_agg_bufs_valid(struct bnxt_cp_ring_info *cpr,
 183                 uint8_t agg_bufs, uint32_t raw_cp_cons)
 184 {
 185         uint16_t last_cp_cons;
 186         struct rx_pkt_cmpl *agg_cmpl;
 187
 188         raw_cp_cons = ADV_RAW_CMP(raw_cp_cons, agg_bufs);
 189         last_cp_cons = RING_CMP(cpr->cp_ring_struct, raw_cp_cons);
 190         agg_cmpl = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[last_cp_cons];
 191         cpr->valid = FLIP_VALID(raw_cp_cons,
 192                                 cpr->cp_ring_struct->ring_mask,
 193                                 cpr->valid);
 194         return CMP_VALID(agg_cmpl, raw_cp_cons, cpr->cp_ring_struct);
 195 }
 196
 197 /* TPA consume agg buffer out of order, allocate connected data only */
 198 static int bnxt_prod_ag_mbuf(struct bnxt_rx_queue *rxq)
 199 {
 200         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 201         uint16_t next = RING_NEXT(rxr->ag_ring_struct, rxr->ag_prod);
 202
 203         /* TODO batch allocation for better performance */
 204         while (rte_bitmap_get(rxr->ag_bitmap, next)) {
 205                 if (unlikely(bnxt_alloc_ag_data(rxq, rxr, next))) {
 206                         PMD_DRV_LOG(ERR,
 207                                 "agg mbuf alloc failed: prod=0x%x\n", next);
 208                         break;
 209                 }
 210                 rte_bitmap_clear(rxr->ag_bitmap, next);
 211                 rxr->ag_prod = next;
 212                 next = RING_NEXT(rxr->ag_ring_struct, next);
 213         }
 214
 215         return 0;
 216 }
 217
 218 static int bnxt_rx_pages(struct bnxt_rx_queue *rxq,
 219                          struct rte_mbuf *mbuf, uint32_t *tmp_raw_cons,
 220                          uint8_t agg_buf, struct bnxt_tpa_info *tpa_info)
 221 {
 222         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 223         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 224         int i;
 225         uint16_t cp_cons, ag_cons;
 226         struct rx_pkt_cmpl *rxcmp;
 227         struct rte_mbuf *last = mbuf;
 228         bool is_p5_tpa = tpa_info && BNXT_CHIP_P5(rxq->bp);
 229
 230         for (i = 0; i < agg_buf; i++) {
 231                 struct rte_mbuf **ag_buf;
 232                 struct rte_mbuf *ag_mbuf;
 233
 234                 if (is_p5_tpa) {
 235                         rxcmp = (void *)&tpa_info->agg_arr[i];
 236                 } else {
 237                         *tmp_raw_cons = NEXT_RAW_CMP(*tmp_raw_cons);
 238                         cp_cons = RING_CMP(cpr->cp_ring_struct, *tmp_raw_cons);
 239                         rxcmp = (struct rx_pkt_cmpl *)
 240                                         &cpr->cp_desc_ring[cp_cons];
 241                 }
 242
 243 #ifdef BNXT_DEBUG
 244                 bnxt_dump_cmpl(cp_cons, rxcmp);
 245 #endif
 246
 247                 ag_cons = rxcmp->opaque;
 248                 RTE_ASSERT(ag_cons <= rxr->ag_ring_struct->ring_mask);
 249                 ag_buf = &rxr->ag_buf_ring[ag_cons];
 250                 ag_mbuf = *ag_buf;
 251                 RTE_ASSERT(ag_mbuf != NULL);
 252
 253                 ag_mbuf->data_len = rte_le_to_cpu_16(rxcmp->len);
 254
 255                 mbuf->nb_segs++;
 256                 mbuf->pkt_len += ag_mbuf->data_len;
 257
 258                 last->next = ag_mbuf;
 259                 last = ag_mbuf;
 260
 261                 *ag_buf = NULL;
 262
 263                 /*
 264                  * As aggregation buffer consumed out of order in TPA module,
 265                  * use bitmap to track freed slots to be allocated and notified
 266                  * to NIC
 267                  */
 268                 rte_bitmap_set(rxr->ag_bitmap, ag_cons);
 269         }
 270         bnxt_prod_ag_mbuf(rxq);
 271         return 0;
 272 }
 273
 274 static inline struct rte_mbuf *bnxt_tpa_end(
 275                 struct bnxt_rx_queue *rxq,
 276                 uint32_t *raw_cp_cons,
 277                 struct rx_tpa_end_cmpl *tpa_end,
 278                 struct rx_tpa_end_cmpl_hi *tpa_end1)
 279 {
 280         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 281         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 282         uint16_t agg_id;
 283         struct rte_mbuf *mbuf;
 284         uint8_t agg_bufs;
 285         uint8_t payload_offset;
 286         struct bnxt_tpa_info *tpa_info;
 287
 288         if (BNXT_CHIP_P5(rxq->bp)) {
 289                 struct rx_tpa_v2_end_cmpl *th_tpa_end;
 290                 struct rx_tpa_v2_end_cmpl_hi *th_tpa_end1;
 291
 292                 th_tpa_end = (void *)tpa_end;
 293                 th_tpa_end1 = (void *)tpa_end1;
 294                 agg_id = BNXT_TPA_END_AGG_ID_TH(th_tpa_end);
 295                 agg_bufs = BNXT_TPA_END_AGG_BUFS_TH(th_tpa_end1);
 296                 payload_offset = th_tpa_end1->payload_offset;
 297         } else {
 298                 agg_id = BNXT_TPA_END_AGG_ID(tpa_end);
 299                 agg_bufs = BNXT_TPA_END_AGG_BUFS(tpa_end);
 300                 if (!bnxt_agg_bufs_valid(cpr, agg_bufs, *raw_cp_cons))
 301                         return NULL;
 302                 payload_offset = tpa_end->payload_offset;
 303         }
 304
 305         tpa_info = &rxr->tpa_info[agg_id];
 306         mbuf = tpa_info->mbuf;
 307         RTE_ASSERT(mbuf != NULL);
 308
 309         if (agg_bufs) {
 310                 bnxt_rx_pages(rxq, mbuf, raw_cp_cons, agg_bufs, tpa_info);
 311         }
 312         mbuf->l4_len = payload_offset;
 313
 314         struct rte_mbuf *new_data = __bnxt_alloc_rx_data(rxq->mb_pool);
 315         RTE_ASSERT(new_data != NULL);
 316         if (!new_data) {
 317                 rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
 318                 return NULL;
 319         }
 320         tpa_info->mbuf = new_data;
 321
 322         return mbuf;
 323 }
 324
 325 uint32_t bnxt_ptype_table[BNXT_PTYPE_TBL_DIM] __rte_cache_aligned;
 326
 327 static void __rte_cold
 328 bnxt_init_ptype_table(void)
 329 {
 330         uint32_t *pt = bnxt_ptype_table;
 331         static bool initialized;
 332         int ip6, tun, type;
 333         uint32_t l3;
 334         int i;
 335
 336         if (initialized)
 337                 return;
 338
 339         for (i = 0; i < BNXT_PTYPE_TBL_DIM; i++) {
 340                 if (i & (RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN >> 2))
 341                         pt[i] = RTE_PTYPE_L2_ETHER_VLAN;
 342                 else
 343                         pt[i] = RTE_PTYPE_L2_ETHER;
 344
 345                 ip6 = i & (RX_PKT_CMPL_FLAGS2_IP_TYPE >> 7);
 346                 tun = i & (RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC >> 2);
 347                 type = (i & 0x38) << 9;
 348
 349                 if (!tun && !ip6)
 350                         l3 = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
 351                 else if (!tun && ip6)
 352                         l3 = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
 353                 else if (tun && !ip6)
 354                         l3 = RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN;
 355                 else
 356                         l3 = RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN;
 357
 358                 switch (type) {
 359                 case RX_PKT_CMPL_FLAGS_ITYPE_ICMP:
 360                         if (tun)
 361                                 pt[i] |= l3 | RTE_PTYPE_INNER_L4_ICMP;
 362                         else
 363                                 pt[i] |= l3 | RTE_PTYPE_L4_ICMP;
 364                         break;
 365                 case RX_PKT_CMPL_FLAGS_ITYPE_TCP:
 366                         if (tun)
 367                                 pt[i] |= l3 | RTE_PTYPE_INNER_L4_TCP;
 368                         else
 369                                 pt[i] |= l3 | RTE_PTYPE_L4_TCP;
 370                         break;
 371                 case RX_PKT_CMPL_FLAGS_ITYPE_UDP:
 372                         if (tun)
 373                                 pt[i] |= l3 | RTE_PTYPE_INNER_L4_UDP;
 374                         else
 375                                 pt[i] |= l3 | RTE_PTYPE_L4_UDP;
 376                         break;
 377                 case RX_PKT_CMPL_FLAGS_ITYPE_IP:
 378                         pt[i] |= l3;
 379                         break;
 380                 }
 381         }
 382         initialized = true;
 383 }
 384
 385 static uint32_t
 386 bnxt_parse_pkt_type(struct rx_pkt_cmpl *rxcmp, struct rx_pkt_cmpl_hi *rxcmp1)
 387 {
 388         uint32_t flags_type, flags2;
 389         uint8_t index;
 390
 391         flags_type = rte_le_to_cpu_16(rxcmp->flags_type);
 392         flags2 = rte_le_to_cpu_32(rxcmp1->flags2);
 393
 394         /*
 395          * Index format:
 396          *     bit 0: RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC
 397          *     bit 1: RX_CMPL_FLAGS2_IP_TYPE
 398          *     bit 2: RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN
 399          *     bits 3-6: RX_PKT_CMPL_FLAGS_ITYPE
 400          */
 401         index = ((flags_type & RX_PKT_CMPL_FLAGS_ITYPE_MASK) >> 9) |
 402                 ((flags2 & (RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN |
 403                            RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC)) >> 2) |
 404                 ((flags2 & RX_PKT_CMPL_FLAGS2_IP_TYPE) >> 7);
 405
 406         return bnxt_ptype_table[index];
 407 }
 408
 409 uint32_t
 410 bnxt_ol_flags_table[BNXT_OL_FLAGS_TBL_DIM] __rte_cache_aligned;
 411
 412 uint32_t
 413 bnxt_ol_flags_err_table[BNXT_OL_FLAGS_ERR_TBL_DIM] __rte_cache_aligned;
 414
 415 static void __rte_cold
 416 bnxt_init_ol_flags_tables(void)
 417 {
 418         static bool initialized;
 419         uint32_t *pt;
 420         int i;
 421
 422         if (initialized)
 423                 return;
 424
 425         /* Initialize ol_flags table. */
 426         pt = bnxt_ol_flags_table;
 427         for (i = 0; i < BNXT_OL_FLAGS_TBL_DIM; i++) {
 428                 pt[i] = 0;
 429                 if (i & RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN)
 430                         pt[i] |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
 431
 432                 if (i & RX_PKT_CMPL_FLAGS2_IP_CS_CALC)
 433                         pt[i] |= PKT_RX_IP_CKSUM_GOOD;
 434
 435                 if (i & RX_PKT_CMPL_FLAGS2_L4_CS_CALC)
 436                         pt[i] |= PKT_RX_L4_CKSUM_GOOD;
 437
 438                 if (i & RX_PKT_CMPL_FLAGS2_T_L4_CS_CALC)
 439                         pt[i] |= PKT_RX_OUTER_L4_CKSUM_GOOD;
 440         }
 441
 442         /* Initialize checksum error table. */
 443         pt = bnxt_ol_flags_err_table;
 444         for (i = 0; i < BNXT_OL_FLAGS_ERR_TBL_DIM; i++) {
 445                 pt[i] = 0;
 446                 if (i & (RX_PKT_CMPL_ERRORS_IP_CS_ERROR >> 4))
 447                         pt[i] |= PKT_RX_IP_CKSUM_BAD;
 448
 449                 if (i & (RX_PKT_CMPL_ERRORS_L4_CS_ERROR >> 4))
 450                         pt[i] |= PKT_RX_L4_CKSUM_BAD;
 451
 452                 if (i & (RX_PKT_CMPL_ERRORS_T_IP_CS_ERROR >> 4))
 453                         pt[i] |= PKT_RX_EIP_CKSUM_BAD;
 454
 455                 if (i & (RX_PKT_CMPL_ERRORS_T_L4_CS_ERROR >> 4))
 456                         pt[i] |= PKT_RX_OUTER_L4_CKSUM_BAD;
 457         }
 458
 459         initialized = true;
 460 }
 461
 462 static void
 463 bnxt_set_ol_flags(struct rx_pkt_cmpl *rxcmp, struct rx_pkt_cmpl_hi *rxcmp1,
 464                   struct rte_mbuf *mbuf)
 465 {
 466         uint16_t flags_type, errors, flags;
 467         uint64_t ol_flags;
 468
 469         flags_type = rte_le_to_cpu_16(rxcmp->flags_type);
 470
 471         flags = rte_le_to_cpu_32(rxcmp1->flags2) &
 472                                 (RX_PKT_CMPL_FLAGS2_IP_CS_CALC |
 473                                  RX_PKT_CMPL_FLAGS2_L4_CS_CALC |
 474                                  RX_PKT_CMPL_FLAGS2_T_IP_CS_CALC |
 475                                  RX_PKT_CMPL_FLAGS2_T_L4_CS_CALC |
 476                                  RX_PKT_CMPL_FLAGS2_META_FORMAT_VLAN);
 477
 478         errors = rte_le_to_cpu_16(rxcmp1->errors_v2) &
 479                                 (RX_PKT_CMPL_ERRORS_IP_CS_ERROR |
 480                                  RX_PKT_CMPL_ERRORS_L4_CS_ERROR |
 481                                  RX_PKT_CMPL_ERRORS_T_IP_CS_ERROR |
 482                                  RX_PKT_CMPL_ERRORS_T_L4_CS_ERROR);
 483         errors = (errors >> 4) & flags;
 484
 485         ol_flags = bnxt_ol_flags_table[flags & ~errors];
 486
 487         if (errors)
 488                 ol_flags |= bnxt_ol_flags_err_table[errors];
 489
 490         if (flags_type & RX_PKT_CMPL_FLAGS_RSS_VALID) {
 491                 mbuf->hash.rss = rte_le_to_cpu_32(rxcmp->rss_hash);
 492                 ol_flags |= PKT_RX_RSS_HASH;
 493         }
 494
 495         mbuf->ol_flags = ol_flags;
 496 }
 497
 498 #ifdef RTE_LIBRTE_IEEE1588
 499 static void
 500 bnxt_get_rx_ts_p5(struct bnxt *bp, uint32_t rx_ts_cmpl)
 501 {
 502         uint64_t systime_cycles = 0;
 503
 504         if (!BNXT_CHIP_P5(bp))
 505                 return;
 506
 507         /* On Thor, Rx timestamps are provided directly in the
 508          * Rx completion records to the driver. Only 32 bits of
 509          * the timestamp is present in the completion. Driver needs
 510          * to read the current 48 bit free running timer using the
 511          * HWRM_PORT_TS_QUERY command and combine the upper 16 bits
 512          * from the HWRM response with the lower 32 bits in the
 513          * Rx completion to produce the 48 bit timestamp for the Rx packet
 514          */
 515         bnxt_hwrm_port_ts_query(bp, BNXT_PTP_FLAGS_CURRENT_TIME,
 516                                 &systime_cycles);
 517         bp->ptp_cfg->rx_timestamp = (systime_cycles & 0xFFFF00000000);
 518         bp->ptp_cfg->rx_timestamp |= rx_ts_cmpl;
 519 }
 520 #endif
 521
 522 static uint32_t
 523 bnxt_ulp_set_mark_in_mbuf(struct bnxt *bp, struct rx_pkt_cmpl_hi *rxcmp1,
 524                           struct rte_mbuf *mbuf, uint32_t *vfr_flag)
 525 {
 526         uint32_t cfa_code;
 527         uint32_t meta_fmt;
 528         uint32_t meta;
 529         bool gfid = false;
 530         uint32_t mark_id;
 531         uint32_t flags2;
 532         uint32_t gfid_support = 0;
 533         int rc;
 534
 535         if (BNXT_GFID_ENABLED(bp))
 536                 gfid_support = 1;
 537
 538         cfa_code = rte_le_to_cpu_16(rxcmp1->cfa_code);
 539         flags2 = rte_le_to_cpu_32(rxcmp1->flags2);
 540         meta = rte_le_to_cpu_32(rxcmp1->metadata);
 541
 542         /*
 543          * The flags field holds extra bits of info from [6:4]
 544          * which indicate if the flow is in TCAM or EM or EEM
 545          */
 546         meta_fmt = (flags2 & BNXT_CFA_META_FMT_MASK) >>
 547                 BNXT_CFA_META_FMT_SHFT;
 548
 549         switch (meta_fmt) {
 550         case 0:
 551                 if (gfid_support) {
 552                         /* Not an LFID or GFID, a flush cmd. */
 553                         goto skip_mark;
 554                 } else {
 555                         /* LFID mode, no vlan scenario */
 556                         gfid = false;
 557                 }
 558                 break;
 559         case 4:
 560         case 5:
 561                 /*
 562                  * EM/TCAM case
 563                  * Assume that EM doesn't support Mark due to GFID
 564                  * collisions with EEM.  Simply return without setting the mark
 565                  * in the mbuf.
 566                  */
 567                 if (BNXT_CFA_META_EM_TEST(meta)) {
 568                         /*This is EM hit {EM(1), GFID[27:16], 19'd0 or vtag } */
 569                         gfid = true;
 570                         meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
 571                         cfa_code |= meta << BNXT_CFA_CODE_META_SHIFT;
 572                 } else {
 573                         /*
 574                          * It is a TCAM entry, so it is an LFID.
 575                          * The TCAM IDX and Mode can also be determined
 576                          * by decoding the meta_data. We are not
 577                          * using these for now.
 578                          */
 579                 }
 580                 break;
 581         case 6:
 582         case 7:
 583                 /* EEM Case, only using gfid in EEM for now. */
 584                 gfid = true;
 585
 586                 /*
 587                  * For EEM flows, The first part of cfa_code is 16 bits.
 588                  * The second part is embedded in the
 589                  * metadata field from bit 19 onwards. The driver needs to
 590                  * ignore the first 19 bits of metadata and use the next 12
 591                  * bits as higher 12 bits of cfa_code.
 592                  */
 593                 meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
 594                 cfa_code |= meta << BNXT_CFA_CODE_META_SHIFT;
 595                 break;
 596         default:
 597                 /* For other values, the cfa_code is assumed to be an LFID. */
 598                 break;
 599         }
 600
 601         rc = ulp_mark_db_mark_get(bp->ulp_ctx, gfid,
 602                                   cfa_code, vfr_flag, &mark_id);
 603         if (!rc) {
 604                 /* VF to VFR Rx path. So, skip mark_id injection in mbuf */
 605                 if (vfr_flag && *vfr_flag)
 606                         return mark_id;
 607                 /* Got the mark, write it to the mbuf and return */
 608                 mbuf->hash.fdir.hi = mark_id;
 609                 *bnxt_cfa_code_dynfield(mbuf) = cfa_code & 0xffffffffull;
 610                 mbuf->hash.fdir.id = rxcmp1->cfa_code;
 611                 mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
 612                 return mark_id;
 613         }
 614
 615 skip_mark:
 616         mbuf->hash.fdir.hi = 0;
 617         mbuf->hash.fdir.id = 0;
 618
 619         return 0;
 620 }
 621
 622 void bnxt_set_mark_in_mbuf(struct bnxt *bp,
 623                            struct rx_pkt_cmpl_hi *rxcmp1,
 624                            struct rte_mbuf *mbuf)
 625 {
 626         uint32_t cfa_code = 0;
 627         uint8_t meta_fmt = 0;
 628         uint16_t flags2 = 0;
 629         uint32_t meta =  0;
 630
 631         cfa_code = rte_le_to_cpu_16(rxcmp1->cfa_code);
 632         if (!cfa_code)
 633                 return;
 634
 635         if (cfa_code && !bp->mark_table[cfa_code].valid)
 636                 return;
 637
 638         flags2 = rte_le_to_cpu_16(rxcmp1->flags2);
 639         meta = rte_le_to_cpu_32(rxcmp1->metadata);
 640         if (meta) {
 641                 meta >>= BNXT_RX_META_CFA_CODE_SHIFT;
 642
 643                 /* The flags field holds extra bits of info from [6:4]
 644                  * which indicate if the flow is in TCAM or EM or EEM
 645                  */
 646                 meta_fmt = (flags2 & BNXT_CFA_META_FMT_MASK) >>
 647                            BNXT_CFA_META_FMT_SHFT;
 648
 649                 /* meta_fmt == 4 => 'b100 => 'b10x => EM.
 650                  * meta_fmt == 5 => 'b101 => 'b10x => EM + VLAN
 651                  * meta_fmt == 6 => 'b110 => 'b11x => EEM
 652                  * meta_fmt == 7 => 'b111 => 'b11x => EEM + VLAN.
 653                  */
 654                 meta_fmt >>= BNXT_CFA_META_FMT_EM_EEM_SHFT;
 655         }
 656
 657         mbuf->hash.fdir.hi = bp->mark_table[cfa_code].mark_id;
 658         mbuf->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
 659 }
 660
 661 static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 662                        struct bnxt_rx_queue *rxq, uint32_t *raw_cons)
 663 {
 664         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 665         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 666         struct rx_pkt_cmpl *rxcmp;
 667         struct rx_pkt_cmpl_hi *rxcmp1;
 668         uint32_t tmp_raw_cons = *raw_cons;
 669         uint16_t cons, prod, cp_cons =
 670             RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
 671         struct rte_mbuf *mbuf;
 672         int rc = 0;
 673         uint8_t agg_buf = 0;
 674         uint16_t cmp_type;
 675         uint32_t vfr_flag = 0, mark_id = 0;
 676         struct bnxt *bp = rxq->bp;
 677
 678         rxcmp = (struct rx_pkt_cmpl *)
 679             &cpr->cp_desc_ring[cp_cons];
 680
 681         cmp_type = CMP_TYPE(rxcmp);
 682
 683         if (cmp_type == RX_TPA_V2_ABUF_CMPL_TYPE_RX_TPA_AGG) {
 684                 struct rx_tpa_v2_abuf_cmpl *rx_agg = (void *)rxcmp;
 685                 uint16_t agg_id = rte_cpu_to_le_16(rx_agg->agg_id);
 686                 struct bnxt_tpa_info *tpa_info;
 687
 688                 tpa_info = &rxr->tpa_info[agg_id];
 689                 RTE_ASSERT(tpa_info->agg_count < 16);
 690                 tpa_info->agg_arr[tpa_info->agg_count++] = *rx_agg;
 691                 rc = -EINVAL; /* Continue w/o new mbuf */
 692                 goto next_rx;
 693         }
 694
 695         tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
 696         cp_cons = RING_CMP(cpr->cp_ring_struct, tmp_raw_cons);
 697         rxcmp1 = (struct rx_pkt_cmpl_hi *)&cpr->cp_desc_ring[cp_cons];
 698
 699         if (!CMP_VALID(rxcmp1, tmp_raw_cons, cpr->cp_ring_struct))
 700                 return -EBUSY;
 701
 702         cpr->valid = FLIP_VALID(cp_cons,
 703                                 cpr->cp_ring_struct->ring_mask,
 704                                 cpr->valid);
 705
 706         if (cmp_type == RX_TPA_START_CMPL_TYPE_RX_TPA_START) {
 707                 bnxt_tpa_start(rxq, (struct rx_tpa_start_cmpl *)rxcmp,
 708                                (struct rx_tpa_start_cmpl_hi *)rxcmp1);
 709                 rc = -EINVAL; /* Continue w/o new mbuf */
 710                 goto next_rx;
 711         } else if (cmp_type == RX_TPA_END_CMPL_TYPE_RX_TPA_END) {
 712                 mbuf = bnxt_tpa_end(rxq, &tmp_raw_cons,
 713                                    (struct rx_tpa_end_cmpl *)rxcmp,
 714                                    (struct rx_tpa_end_cmpl_hi *)rxcmp1);
 715                 if (unlikely(!mbuf))
 716                         return -EBUSY;
 717                 *rx_pkt = mbuf;
 718                 goto next_rx;
 719         } else if (cmp_type != 0x11) {
 720                 rc = -EINVAL;
 721                 goto next_rx;
 722         }
 723
 724         agg_buf = (rxcmp->agg_bufs_v1 & RX_PKT_CMPL_AGG_BUFS_MASK)
 725                         >> RX_PKT_CMPL_AGG_BUFS_SFT;
 726         if (agg_buf && !bnxt_agg_bufs_valid(cpr, agg_buf, tmp_raw_cons))
 727                 return -EBUSY;
 728
 729         prod = rxr->rx_prod;
 730
 731         cons = rxcmp->opaque;
 732         mbuf = bnxt_consume_rx_buf(rxr, cons);
 733         if (mbuf == NULL)
 734                 return -EBUSY;
 735
 736         mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 737         mbuf->nb_segs = 1;
 738         mbuf->next = NULL;
 739         mbuf->pkt_len = rxcmp->len;
 740         mbuf->data_len = mbuf->pkt_len;
 741         mbuf->port = rxq->port_id;
 742
 743         bnxt_set_ol_flags(rxcmp, rxcmp1, mbuf);
 744
 745 #ifdef RTE_LIBRTE_IEEE1588
 746         if (unlikely((rte_le_to_cpu_16(rxcmp->flags_type) &
 747                       RX_PKT_CMPL_FLAGS_MASK) ==
 748                       RX_PKT_CMPL_FLAGS_ITYPE_PTP_W_TIMESTAMP)) {
 749                 mbuf->ol_flags |= PKT_RX_IEEE1588_PTP | PKT_RX_IEEE1588_TMST;
 750                 bnxt_get_rx_ts_p5(rxq->bp, rxcmp1->reorder);
 751         }
 752 #endif
 753
 754         if (BNXT_TRUFLOW_EN(bp))
 755                 mark_id = bnxt_ulp_set_mark_in_mbuf(rxq->bp, rxcmp1, mbuf,
 756                                                     &vfr_flag);
 757         else
 758                 bnxt_set_mark_in_mbuf(rxq->bp, rxcmp1, mbuf);
 759
 760         if (agg_buf)
 761                 bnxt_rx_pages(rxq, mbuf, &tmp_raw_cons, agg_buf, NULL);
 762
 763         mbuf->packet_type = bnxt_parse_pkt_type(rxcmp, rxcmp1);
 764
 765 #ifdef BNXT_DEBUG
 766         if (rxcmp1->errors_v2 & RX_CMP_L2_ERRORS) {
 767                 /* Re-install the mbuf back to the rx ring */
 768                 bnxt_reuse_rx_mbuf(rxr, cons, mbuf);
 769
 770                 rc = -EIO;
 771                 goto next_rx;
 772         }
 773 #endif
 774         /*
 775          * TODO: Redesign this....
 776          * If the allocation fails, the packet does not get received.
 777          * Simply returning this will result in slowly falling behind
 778          * on the producer ring buffers.
 779          * Instead, "filling up" the producer just before ringing the
 780          * doorbell could be a better solution since it will let the
 781          * producer ring starve until memory is available again pushing
 782          * the drops into hardware and getting them out of the driver
 783          * allowing recovery to a full producer ring.
 784          *
 785          * This could also help with cache usage by preventing per-packet
 786          * calls in favour of a tight loop with the same function being called
 787          * in it.
 788          */
 789         prod = RING_NEXT(rxr->rx_ring_struct, prod);
 790         if (bnxt_alloc_rx_data(rxq, rxr, prod)) {
 791                 PMD_DRV_LOG(ERR, "mbuf alloc failed with prod=0x%x\n", prod);
 792                 rc = -ENOMEM;
 793                 goto rx;
 794         }
 795         rxr->rx_prod = prod;
 796
 797         if (BNXT_TRUFLOW_EN(bp) && (BNXT_VF_IS_TRUSTED(bp) || BNXT_PF(bp)) &&
 798             vfr_flag) {
 799                 bnxt_vfr_recv(mark_id, rxq->queue_id, mbuf);
 800                 /* Now return an error so that nb_rx_pkts is not
 801                  * incremented.
 802                  * This packet was meant to be given to the representor.
 803                  * So no need to account the packet and give it to
 804                  * parent Rx burst function.
 805                  */
 806                 rc = -ENODEV;
 807                 goto next_rx;
 808         }
 809         /*
 810          * All MBUFs are allocated with the same size under DPDK,
 811          * no optimization for rx_copy_thresh
 812          */
 813 rx:
 814         *rx_pkt = mbuf;
 815
 816 next_rx:
 817
 818         *raw_cons = tmp_raw_cons;
 819
 820         return rc;
 821 }
 822
 823 uint16_t bnxt_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 824                                uint16_t nb_pkts)
 825 {
 826         struct bnxt_rx_queue *rxq = rx_queue;
 827         struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
 828         struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
 829         uint32_t raw_cons = cpr->cp_raw_cons;
 830         uint32_t cons;
 831         int nb_rx_pkts = 0;
 832         int nb_rep_rx_pkts = 0;
 833         struct rx_pkt_cmpl *rxcmp;
 834         uint16_t prod = rxr->rx_prod;
 835         uint16_t ag_prod = rxr->ag_prod;
 836         int rc = 0;
 837         bool evt = false;
 838
 839         if (unlikely(is_bnxt_in_error(rxq->bp)))
 840                 return 0;
 841
 842         /* If Rx Q was stopped return */
 843         if (unlikely(!rxq->rx_started))
 844                 return 0;
 845
 846 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
 847         /*
 848          * Replenish buffers if needed when a transition has been made from
 849          * vector- to non-vector- receive processing.
 850          */
 851         while (unlikely(rxq->rxrearm_nb)) {
 852                 if (!bnxt_alloc_rx_data(rxq, rxr, rxq->rxrearm_start)) {
 853                         rxr->rx_prod = rxq->rxrearm_start;
 854                         bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 855                         rxq->rxrearm_start++;
 856                         rxq->rxrearm_nb--;
 857                 } else {
 858                         /* Retry allocation on next call. */
 859                         break;
 860                 }
 861         }
 862 #endif
 863
 864         /* Handle RX burst request */
 865         while (1) {
 866                 cons = RING_CMP(cpr->cp_ring_struct, raw_cons);
 867                 rxcmp = (struct rx_pkt_cmpl *)&cpr->cp_desc_ring[cons];
 868
 869                 if (!CMP_VALID(rxcmp, raw_cons, cpr->cp_ring_struct))
 870                         break;
 871                 cpr->valid = FLIP_VALID(cons,
 872                                         cpr->cp_ring_struct->ring_mask,
 873                                         cpr->valid);
 874
 875                 /* TODO: Avoid magic numbers... */
 876                 if ((CMP_TYPE(rxcmp) & 0x30) == 0x10) {
 877                         rc = bnxt_rx_pkt(&rx_pkts[nb_rx_pkts], rxq, &raw_cons);
 878                         if (likely(!rc) || rc == -ENOMEM)
 879                                 nb_rx_pkts++;
 880                         if (rc == -EBUSY)       /* partial completion */
 881                                 break;
 882                         if (rc == -ENODEV)      /* completion for representor */
 883                                 nb_rep_rx_pkts++;
 884                 } else if (!BNXT_NUM_ASYNC_CPR(rxq->bp)) {
 885                         evt =
 886                         bnxt_event_hwrm_resp_handler(rxq->bp,
 887                                                      (struct cmpl_base *)rxcmp);
 888                         /* If the async event is Fatal error, return */
 889                         if (unlikely(is_bnxt_in_error(rxq->bp)))
 890                                 goto done;
 891                 }
 892
 893                 raw_cons = NEXT_RAW_CMP(raw_cons);
 894                 if (nb_rx_pkts == nb_pkts || evt)
 895                         break;
 896                 /* Post some Rx buf early in case of larger burst processing */
 897                 if (nb_rx_pkts == BNXT_RX_POST_THRESH)
 898                         bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 899         }
 900
 901         cpr->cp_raw_cons = raw_cons;
 902         if (!nb_rx_pkts && !nb_rep_rx_pkts && !evt) {
 903                 /*
 904                  * For PMD, there is no need to keep on pushing to REARM
 905                  * the doorbell if there are no new completions
 906                  */
 907                 goto done;
 908         }
 909
 910         if (prod != rxr->rx_prod)
 911                 bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 912
 913         /* Ring the AGG ring DB */
 914         if (ag_prod != rxr->ag_prod)
 915                 bnxt_db_write(&rxr->ag_db, rxr->ag_prod);
 916
 917         bnxt_db_cq(cpr);
 918
 919         /* Attempt to alloc Rx buf in case of a previous allocation failure. */
 920         if (rc == -ENOMEM) {
 921                 int i = RING_NEXT(rxr->rx_ring_struct, prod);
 922                 int cnt = nb_rx_pkts;
 923
 924                 for (; cnt;
 925                         i = RING_NEXT(rxr->rx_ring_struct, i), cnt--) {
 926                         struct rte_mbuf **rx_buf = &rxr->rx_buf_ring[i];
 927
 928                         /* Buffer already allocated for this index. */
 929                         if (*rx_buf != NULL && *rx_buf != &rxq->fake_mbuf)
 930                                 continue;
 931
 932                         /* This slot is empty. Alloc buffer for Rx */
 933                         if (!bnxt_alloc_rx_data(rxq, rxr, i)) {
 934                                 rxr->rx_prod = i;
 935                                 bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
 936                         } else {
 937                                 PMD_DRV_LOG(ERR, "Alloc  mbuf failed\n");
 938                                 break;
 939                         }
 940                 }
 941         }
 942
 943 done:
 944         return nb_rx_pkts;
 945 }
 946
 947 /*
 948  * Dummy DPDK callback for RX.
 949  *
 950  * This function is used to temporarily replace the real callback during
 951  * unsafe control operations on the queue, or in case of error.
 952  */
 953 uint16_t
 954 bnxt_dummy_recv_pkts(void *rx_queue __rte_unused,
 955                      struct rte_mbuf **rx_pkts __rte_unused,
 956                      uint16_t nb_pkts __rte_unused)
 957 {
 958         return 0;
 959 }
 960
 961 void bnxt_free_rx_rings(struct bnxt *bp)
 962 {
 963         int i;
 964         struct bnxt_rx_queue *rxq;
 965
 966         if (!bp->rx_queues)
 967                 return;
 968
 969         for (i = 0; i < (int)bp->rx_nr_rings; i++) {
 970                 rxq = bp->rx_queues[i];
 971                 if (!rxq)
 972                         continue;
 973
 974                 bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
 975                 rte_free(rxq->rx_ring->rx_ring_struct);
 976
 977                 /* Free the Aggregator ring */
 978                 bnxt_free_ring(rxq->rx_ring->ag_ring_struct);
 979                 rte_free(rxq->rx_ring->ag_ring_struct);
 980                 rxq->rx_ring->ag_ring_struct = NULL;
 981
 982                 rte_free(rxq->rx_ring);
 983
 984                 bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
 985                 rte_free(rxq->cp_ring->cp_ring_struct);
 986                 rte_free(rxq->cp_ring);
 987
 988                 rte_free(rxq);
 989                 bp->rx_queues[i] = NULL;
 990         }
 991 }
 992
 993 int bnxt_init_rx_ring_struct(struct bnxt_rx_queue *rxq, unsigned int socket_id)
 994 {
 995         struct rte_eth_dev *eth_dev = rxq->bp->eth_dev;
 996         struct rte_eth_rxmode *rxmode;
 997         struct bnxt_cp_ring_info *cpr;
 998         struct bnxt_rx_ring_info *rxr;
 999         struct bnxt_ring *ring;
1000         bool use_agg_ring;
1001
1002         rxq->rx_buf_size = BNXT_MAX_PKT_LEN + sizeof(struct rte_mbuf);
1003
1004         rxr = rte_zmalloc_socket("bnxt_rx_ring",
1005                                  sizeof(struct bnxt_rx_ring_info),
1006                                  RTE_CACHE_LINE_SIZE, socket_id);
1007         if (rxr == NULL)
1008                 return -ENOMEM;
1009         rxq->rx_ring = rxr;
1010
1011         ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
1012                                    sizeof(struct bnxt_ring),
1013                                    RTE_CACHE_LINE_SIZE, socket_id);
1014         if (ring == NULL)
1015                 return -ENOMEM;
1016         rxr->rx_ring_struct = ring;
1017         ring->ring_size = rte_align32pow2(rxq->nb_rx_desc);
1018         ring->ring_mask = ring->ring_size - 1;
1019         ring->bd = (void *)rxr->rx_desc_ring;
1020         ring->bd_dma = rxr->rx_desc_mapping;
1021
1022         /* Allocate extra rx ring entries for vector rx. */
1023         ring->vmem_size = sizeof(struct rte_mbuf *) *
1024                                 (ring->ring_size + RTE_BNXT_DESCS_PER_LOOP);
1025
1026         ring->vmem = (void **)&rxr->rx_buf_ring;
1027         ring->fw_ring_id = INVALID_HW_RING_ID;
1028
1029         cpr = rte_zmalloc_socket("bnxt_rx_ring",
1030                                  sizeof(struct bnxt_cp_ring_info),
1031                                  RTE_CACHE_LINE_SIZE, socket_id);
1032         if (cpr == NULL)
1033                 return -ENOMEM;
1034         rxq->cp_ring = cpr;
1035
1036         ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
1037                                    sizeof(struct bnxt_ring),
1038                                    RTE_CACHE_LINE_SIZE, socket_id);
1039         if (ring == NULL)
1040                 return -ENOMEM;
1041         cpr->cp_ring_struct = ring;
1042
1043         rxmode = &eth_dev->data->dev_conf.rxmode;
1044         use_agg_ring = (rxmode->offloads & DEV_RX_OFFLOAD_SCATTER) ||
1045                        (rxmode->offloads & DEV_RX_OFFLOAD_TCP_LRO) ||
1046                        (rxmode->max_rx_pkt_len >
1047                          (uint32_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) -
1048                                     RTE_PKTMBUF_HEADROOM));
1049
1050         /* Allocate two completion slots per entry in desc ring. */
1051         ring->ring_size = rxr->rx_ring_struct->ring_size * 2;
1052
1053         /* Allocate additional slots if aggregation ring is in use. */
1054         if (use_agg_ring)
1055                 ring->ring_size *= AGG_RING_SIZE_FACTOR;
1056
1057         ring->ring_size = rte_align32pow2(ring->ring_size);
1058         ring->ring_mask = ring->ring_size - 1;
1059         ring->bd = (void *)cpr->cp_desc_ring;
1060         ring->bd_dma = cpr->cp_desc_mapping;
1061         ring->vmem_size = 0;
1062         ring->vmem = NULL;
1063         ring->fw_ring_id = INVALID_HW_RING_ID;
1064
1065         /* Allocate Aggregator rings */
1066         ring = rte_zmalloc_socket("bnxt_rx_ring_struct",
1067                                    sizeof(struct bnxt_ring),
1068                                    RTE_CACHE_LINE_SIZE, socket_id);
1069         if (ring == NULL)
1070                 return -ENOMEM;
1071         rxr->ag_ring_struct = ring;
1072         ring->ring_size = rte_align32pow2(rxq->nb_rx_desc *
1073                                           AGG_RING_SIZE_FACTOR);
1074         ring->ring_mask = ring->ring_size - 1;
1075         ring->bd = (void *)rxr->ag_desc_ring;
1076         ring->bd_dma = rxr->ag_desc_mapping;
1077         ring->vmem_size = ring->ring_size * sizeof(struct rte_mbuf *);
1078         ring->vmem = (void **)&rxr->ag_buf_ring;
1079         ring->fw_ring_id = INVALID_HW_RING_ID;
1080
1081         return 0;
1082 }
1083
1084 static void bnxt_init_rxbds(struct bnxt_ring *ring, uint32_t type,
1085                             uint16_t len)
1086 {
1087         uint32_t j;
1088         struct rx_prod_pkt_bd *rx_bd_ring = (struct rx_prod_pkt_bd *)ring->bd;
1089
1090         if (!rx_bd_ring)
1091                 return;
1092         for (j = 0; j < ring->ring_size; j++) {
1093                 rx_bd_ring[j].flags_type = rte_cpu_to_le_16(type);
1094                 rx_bd_ring[j].len = rte_cpu_to_le_16(len);
1095                 rx_bd_ring[j].opaque = j;
1096         }
1097 }
1098
1099 int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq)
1100 {
1101         struct bnxt_rx_ring_info *rxr;
1102         struct bnxt_ring *ring;
1103         uint32_t prod, type;
1104         unsigned int i;
1105         uint16_t size;
1106
1107         /* Initialize packet type table. */
1108         bnxt_init_ptype_table();
1109
1110         /* Initialize offload flags parsing table. */
1111         bnxt_init_ol_flags_tables();
1112
1113         size = rte_pktmbuf_data_room_size(rxq->mb_pool) - RTE_PKTMBUF_HEADROOM;
1114         size = RTE_MIN(BNXT_MAX_PKT_LEN, size);
1115
1116         type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT;
1117
1118         rxr = rxq->rx_ring;
1119         ring = rxr->rx_ring_struct;
1120         bnxt_init_rxbds(ring, type, size);
1121
1122         prod = rxr->rx_prod;
1123         for (i = 0; i < ring->ring_size; i++) {
1124                 if (unlikely(!rxr->rx_buf_ring[i])) {
1125                         if (bnxt_alloc_rx_data(rxq, rxr, prod) != 0) {
1126                                 PMD_DRV_LOG(WARNING,
1127                                             "init'ed rx ring %d with %d/%d mbufs only\n",
1128                                             rxq->queue_id, i, ring->ring_size);
1129                                 break;
1130                         }
1131                 }
1132                 rxr->rx_prod = prod;
1133                 prod = RING_NEXT(rxr->rx_ring_struct, prod);
1134         }
1135
1136         /* Initialize dummy mbuf pointers for vector mode rx. */
1137         for (i = ring->ring_size;
1138              i < ring->ring_size + RTE_BNXT_DESCS_PER_LOOP; i++) {
1139                 rxr->rx_buf_ring[i] = &rxq->fake_mbuf;
1140         }
1141
1142         ring = rxr->ag_ring_struct;
1143         type = RX_PROD_AGG_BD_TYPE_RX_PROD_AGG;
1144         bnxt_init_rxbds(ring, type, size);
1145         prod = rxr->ag_prod;
1146
1147         for (i = 0; i < ring->ring_size; i++) {
1148                 if (unlikely(!rxr->ag_buf_ring[i])) {
1149                         if (bnxt_alloc_ag_data(rxq, rxr, prod) != 0) {
1150                                 PMD_DRV_LOG(WARNING,
1151                                             "init'ed AG ring %d with %d/%d mbufs only\n",
1152                                             rxq->queue_id, i, ring->ring_size);
1153                                 break;
1154                         }
1155                 }
1156                 rxr->ag_prod = prod;
1157                 prod = RING_NEXT(rxr->ag_ring_struct, prod);
1158         }
1159         PMD_DRV_LOG(DEBUG, "AGG Done!\n");
1160
1161         if (rxr->tpa_info) {
1162                 unsigned int max_aggs = BNXT_TPA_MAX_AGGS(rxq->bp);
1163
1164                 for (i = 0; i < max_aggs; i++) {
1165                         if (unlikely(!rxr->tpa_info[i].mbuf)) {
1166                                 rxr->tpa_info[i].mbuf =
1167                                         __bnxt_alloc_rx_data(rxq->mb_pool);
1168                                 if (!rxr->tpa_info[i].mbuf) {
1169                                         rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
1170                                         return -ENOMEM;
1171                                 }
1172                         }
1173                 }
1174         }
1175         PMD_DRV_LOG(DEBUG, "TPA alloc Done!\n");
1176
1177         return 0;
1178 }