drivers/net/mlx5/mlx5_rxtx_vec_neon.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2017 6WIND S.A.
   3  * Copyright 2017 Mellanox Technologies, Ltd
   4  */
   5
   6 #ifndef RTE_PMD_MLX5_RXTX_VEC_NEON_H_
   7 #define RTE_PMD_MLX5_RXTX_VEC_NEON_H_
   8
   9 #include <stdint.h>
  10 #include <string.h>
  11 #include <stdlib.h>
  12 #include <arm_neon.h>
  13
  14 #include <rte_mbuf.h>
  15 #include <rte_mempool.h>
  16 #include <rte_prefetch.h>
  17
  18 #include <mlx5_prm.h>
  19
  20 #include "mlx5_defs.h"
  21 #include "mlx5.h"
  22 #include "mlx5_utils.h"
  23 #include "mlx5_rxtx.h"
  24 #include "mlx5_rxtx_vec.h"
  25 #include "mlx5_autoconf.h"
  26
  27 #pragma GCC diagnostic ignored "-Wcast-qual"
  28
  29 /**
  30  * Store free buffers to RX SW ring.
  31  *
  32  * @param elts
  33  *   Pointer to SW ring to be filled.
  34  * @param pkts
  35  *   Pointer to array of packets to be stored.
  36  * @param pkts_n
  37  *   Number of packets to be stored.
  38  */
  39 static inline void
  40 rxq_copy_mbuf_v(struct rte_mbuf **elts, struct rte_mbuf **pkts, uint16_t n)
  41 {
  42         unsigned int pos;
  43         uint16_t p = n & -2;
  44
  45         for (pos = 0; pos < p; pos += 2) {
  46                 uint64x2_t mbp;
  47
  48                 mbp = vld1q_u64((void *)&elts[pos]);
  49                 vst1q_u64((void *)&pkts[pos], mbp);
  50         }
  51         if (n & 1)
  52                 pkts[pos] = elts[pos];
  53 }
  54
  55 /**
  56  * Decompress a compressed completion and fill in mbufs in RX SW ring with data
  57  * extracted from the title completion descriptor.
  58  *
  59  * @param rxq
  60  *   Pointer to RX queue structure.
  61  * @param cq
  62  *   Pointer to completion array having a compressed completion at first.
  63  * @param elts
  64  *   Pointer to SW ring to be filled. The first mbuf has to be pre-built from
  65  *   the title completion descriptor to be copied to the rest of mbufs.
  66  *
  67  * @return
  68  *   Number of mini-CQEs successfully decompressed.
  69  */
  70 static inline uint16_t
  71 rxq_cq_decompress_v(struct mlx5_rxq_data *rxq, volatile struct mlx5_cqe *cq,
  72                     struct rte_mbuf **elts)
  73 {
  74         volatile struct mlx5_mini_cqe8 *mcq = (void *)&(cq + 1)->pkt_info;
  75         struct rte_mbuf *t_pkt = elts[0]; /* Title packet is pre-built. */
  76         unsigned int pos;
  77         unsigned int i;
  78         unsigned int inv = 0;
  79         /* Mask to shuffle from extracted mini CQE to mbuf. */
  80         const uint8x16_t mcqe_shuf_m1 = {
  81                 -1, -1, -1, -1, /* skip packet_type */
  82                  7,  6, -1, -1, /* pkt_len, bswap16 */
  83                  7,  6,         /* data_len, bswap16 */
  84                 -1, -1,         /* skip vlan_tci */
  85                  3,  2,  1,  0  /* hash.rss, bswap32 */
  86         };
  87         const uint8x16_t mcqe_shuf_m2 = {
  88                 -1, -1, -1, -1, /* skip packet_type */
  89                 15, 14, -1, -1, /* pkt_len, bswap16 */
  90                 15, 14,         /* data_len, bswap16 */
  91                 -1, -1,         /* skip vlan_tci */
  92                 11, 10,  9,  8  /* hash.rss, bswap32 */
  93         };
  94         /* Restore the compressed count. Must be 16 bits. */
  95         const uint16_t mcqe_n = t_pkt->data_len +
  96                                 (rxq->crc_present * RTE_ETHER_CRC_LEN);
  97         const uint64x2_t rearm =
  98                 vld1q_u64((void *)&t_pkt->rearm_data);
  99         const uint32x4_t rxdf_mask = {
 100                 0xffffffff, /* packet_type */
 101                 0,          /* skip pkt_len */
 102                 0xffff0000, /* vlan_tci, skip data_len */
 103                 0,          /* skip hash.rss */
 104         };
 105         const uint8x16_t rxdf =
 106                 vandq_u8(vld1q_u8((void *)&t_pkt->rx_descriptor_fields1),
 107                          vreinterpretq_u8_u32(rxdf_mask));
 108         const uint16x8_t crc_adj = {
 109                 0, 0,
 110                 rxq->crc_present * RTE_ETHER_CRC_LEN, 0,
 111                 rxq->crc_present * RTE_ETHER_CRC_LEN, 0,
 112                 0, 0
 113         };
 114         uint32x4_t ol_flags = {0, 0, 0, 0};
 115         uint32x4_t ol_flags_mask = {0, 0, 0, 0};
 116 #ifdef MLX5_PMD_SOFT_COUNTERS
 117         uint32_t rcvd_byte = 0;
 118 #endif
 119         /* Mask to shuffle byte_cnt to add up stats. Do bswap16 for all. */
 120         const uint8x8_t len_shuf_m = {
 121                  7,  6,         /* 1st mCQE */
 122                 15, 14,         /* 2nd mCQE */
 123                 23, 22,         /* 3rd mCQE */
 124                 31, 30          /* 4th mCQE */
 125         };
 126
 127         /*
 128          * A. load mCQEs into a 128bit register.
 129          * B. store rearm data to mbuf.
 130          * C. combine data from mCQEs with rx_descriptor_fields1.
 131          * D. store rx_descriptor_fields1.
 132          * E. store flow tag (rte_flow mark).
 133          */
 134         for (pos = 0; pos < mcqe_n; ) {
 135                 uint8_t *p = (void *)&mcq[pos % 8];
 136                 uint8_t *e0 = (void *)&elts[pos]->rearm_data;
 137                 uint8_t *e1 = (void *)&elts[pos + 1]->rearm_data;
 138                 uint8_t *e2 = (void *)&elts[pos + 2]->rearm_data;
 139                 uint8_t *e3 = (void *)&elts[pos + 3]->rearm_data;
 140                 uint16x4_t byte_cnt;
 141 #ifdef MLX5_PMD_SOFT_COUNTERS
 142                 uint16x4_t invalid_mask =
 143                         vcreate_u16(mcqe_n - pos < MLX5_VPMD_DESCS_PER_LOOP ?
 144                                     -1UL << ((mcqe_n - pos) *
 145                                              sizeof(uint16_t) * 8) : 0);
 146 #endif
 147
 148                 for (i = 0; i < MLX5_VPMD_DESCS_PER_LOOP; ++i)
 149                         if (likely(pos + i < mcqe_n))
 150                                 rte_prefetch0((void *)(cq + pos + i));
 151                 __asm__ volatile (
 152                 /* A.1 load mCQEs into a 128bit register. */
 153                 "ld1 {v16.16b - v17.16b}, [%[mcq]] \n\t"
 154                 /* B.1 store rearm data to mbuf. */
 155                 "st1 {%[rearm].2d}, [%[e0]] \n\t"
 156                 "add %[e0], %[e0], #16 \n\t"
 157                 "st1 {%[rearm].2d}, [%[e1]] \n\t"
 158                 "add %[e1], %[e1], #16 \n\t"
 159                 /* C.1 combine data from mCQEs with rx_descriptor_fields1. */
 160                 "tbl v18.16b, {v16.16b}, %[mcqe_shuf_m1].16b \n\t"
 161                 "tbl v19.16b, {v16.16b}, %[mcqe_shuf_m2].16b \n\t"
 162                 "sub v18.8h, v18.8h, %[crc_adj].8h \n\t"
 163                 "sub v19.8h, v19.8h, %[crc_adj].8h \n\t"
 164                 "orr v18.16b, v18.16b, %[rxdf].16b \n\t"
 165                 "orr v19.16b, v19.16b, %[rxdf].16b \n\t"
 166                 /* D.1 store rx_descriptor_fields1. */
 167                 "st1 {v18.2d}, [%[e0]] \n\t"
 168                 "st1 {v19.2d}, [%[e1]] \n\t"
 169                 /* B.1 store rearm data to mbuf. */
 170                 "st1 {%[rearm].2d}, [%[e2]] \n\t"
 171                 "add %[e2], %[e2], #16 \n\t"
 172                 "st1 {%[rearm].2d}, [%[e3]] \n\t"
 173                 "add %[e3], %[e3], #16 \n\t"
 174                 /* C.1 combine data from mCQEs with rx_descriptor_fields1. */
 175                 "tbl v18.16b, {v17.16b}, %[mcqe_shuf_m1].16b \n\t"
 176                 "tbl v19.16b, {v17.16b}, %[mcqe_shuf_m2].16b \n\t"
 177                 "sub v18.8h, v18.8h, %[crc_adj].8h \n\t"
 178                 "sub v19.8h, v19.8h, %[crc_adj].8h \n\t"
 179                 "orr v18.16b, v18.16b, %[rxdf].16b \n\t"
 180                 "orr v19.16b, v19.16b, %[rxdf].16b \n\t"
 181                 /* D.1 store rx_descriptor_fields1. */
 182                 "st1 {v18.2d}, [%[e2]] \n\t"
 183                 "st1 {v19.2d}, [%[e3]] \n\t"
 184 #ifdef MLX5_PMD_SOFT_COUNTERS
 185                 "tbl %[byte_cnt].8b, {v16.16b - v17.16b}, %[len_shuf_m].8b \n\t"
 186 #endif
 187                 :[byte_cnt]"=&w"(byte_cnt)
 188                 :[mcq]"r"(p),
 189                  [rxdf]"w"(rxdf),
 190                  [rearm]"w"(rearm),
 191                  [e3]"r"(e3), [e2]"r"(e2), [e1]"r"(e1), [e0]"r"(e0),
 192                  [mcqe_shuf_m1]"w"(mcqe_shuf_m1),
 193                  [mcqe_shuf_m2]"w"(mcqe_shuf_m2),
 194                  [crc_adj]"w"(crc_adj),
 195                  [len_shuf_m]"w"(len_shuf_m)
 196                 :"memory", "v16", "v17", "v18", "v19");
 197 #ifdef MLX5_PMD_SOFT_COUNTERS
 198                 byte_cnt = vbic_u16(byte_cnt, invalid_mask);
 199                 rcvd_byte += vget_lane_u64(vpaddl_u32(vpaddl_u16(byte_cnt)), 0);
 200 #endif
 201                 if (rxq->mark) {
 202                         if (rxq->mcqe_format !=
 203                             MLX5_CQE_RESP_FORMAT_FTAG_STRIDX) {
 204                                 const uint32_t flow_tag = t_pkt->hash.fdir.hi;
 205
 206                                 /* E.1 store flow tag (rte_flow mark). */
 207                                 elts[pos]->hash.fdir.hi = flow_tag;
 208                                 elts[pos + 1]->hash.fdir.hi = flow_tag;
 209                                 elts[pos + 2]->hash.fdir.hi = flow_tag;
 210                                 elts[pos + 3]->hash.fdir.hi = flow_tag;
 211                         }  else {
 212                                 const uint32x4_t flow_mark_adj = {
 213                                         -1, -1, -1, -1 };
 214                                 const uint8x16_t flow_mark_shuf = {
 215                                         28, 24, 25, -1,
 216                                         20, 16, 17, -1,
 217                                         12,  8,  9, -1,
 218                                          4,  0,  1, -1};
 219                                 /* Extract flow_tag field. */
 220                                 const uint32x4_t ft_mask =
 221                                         vdupq_n_u32(MLX5_FLOW_MARK_DEFAULT);
 222                                 const uint32x4_t fdir_flags =
 223                                         vdupq_n_u32(PKT_RX_FDIR);
 224                                 const uint32x4_t fdir_all_flags =
 225                                         vdupq_n_u32(PKT_RX_FDIR |
 226                                                     PKT_RX_FDIR_ID);
 227                                 uint32x4_t fdir_id_flags =
 228                                         vdupq_n_u32(PKT_RX_FDIR_ID);
 229                                 uint32x4_t invalid_mask, ftag;
 230
 231                                 __asm__ volatile
 232                                 /* A.1 load mCQEs into a 128bit register. */
 233                                 ("ld1 {v16.16b - v17.16b}, [%[mcq]]\n\t"
 234                                 /* Extract flow_tag. */
 235                                  "tbl %[ftag].16b, {v16.16b - v17.16b}, %[flow_mark_shuf].16b\n\t"
 236                                 : [ftag]"=&w"(ftag)
 237                                 : [mcq]"r"(p),
 238                                   [flow_mark_shuf]"w"(flow_mark_shuf)
 239                                 : "memory", "v16", "v17");
 240                                 invalid_mask = vceqzq_u32(ftag);
 241                                 ol_flags_mask = vorrq_u32(ol_flags_mask,
 242                                                           fdir_all_flags);
 243                                 /* Set PKT_RX_FDIR if flow tag is non-zero. */
 244                                 ol_flags = vorrq_u32(ol_flags,
 245                                         vbicq_u32(fdir_flags, invalid_mask));
 246                                 /* Mask out invalid entries. */
 247                                 fdir_id_flags = vbicq_u32(fdir_id_flags,
 248                                                           invalid_mask);
 249                                 /* Check if flow tag MLX5_FLOW_MARK_DEFAULT. */
 250                                 ol_flags = vorrq_u32(ol_flags,
 251                                         vbicq_u32(fdir_id_flags,
 252                                                   vceqq_u32(ftag, ft_mask)));
 253                                 ftag = vaddq_u32(ftag, flow_mark_adj);
 254                                 elts[pos]->hash.fdir.hi =
 255                                         vgetq_lane_u32(ftag, 3);
 256                                 elts[pos + 1]->hash.fdir.hi =
 257                                         vgetq_lane_u32(ftag, 2);
 258                                 elts[pos + 2]->hash.fdir.hi =
 259                                         vgetq_lane_u32(ftag, 1);
 260                                 elts[pos + 3]->hash.fdir.hi =
 261                                         vgetq_lane_u32(ftag, 0);
 262                                 }
 263                 }
 264                 if (unlikely(rxq->mcqe_format !=
 265                              MLX5_CQE_RESP_FORMAT_HASH)) {
 266                         if (rxq->mcqe_format ==
 267                             MLX5_CQE_RESP_FORMAT_L34H_STRIDX) {
 268                                 const uint8_t pkt_info =
 269                                         (cq->pkt_info & 0x3) << 6;
 270                                 const uint8_t pkt_hdr0 =
 271                                         mcq[pos % 8].hdr_type;
 272                                 const uint8_t pkt_hdr1 =
 273                                         mcq[pos % 8 + 1].hdr_type;
 274                                 const uint8_t pkt_hdr2 =
 275                                         mcq[pos % 8 + 2].hdr_type;
 276                                 const uint8_t pkt_hdr3 =
 277                                         mcq[pos % 8 + 3].hdr_type;
 278                                 const uint32x4_t vlan_mask =
 279                                         vdupq_n_u32(PKT_RX_VLAN |
 280                                                     PKT_RX_VLAN_STRIPPED);
 281                                 const uint32x4_t cv_mask =
 282                                         vdupq_n_u32(MLX5_CQE_VLAN_STRIPPED);
 283                                 const uint32x4_t pkt_cv = {
 284                                         pkt_hdr0 & 0x1, pkt_hdr1 & 0x1,
 285                                         pkt_hdr2 & 0x1, pkt_hdr3 & 0x1};
 286
 287                                 ol_flags_mask = vorrq_u32(ol_flags_mask,
 288                                                           vlan_mask);
 289                                 ol_flags = vorrq_u32(ol_flags,
 290                                                 vandq_u32(vlan_mask,
 291                                                 vceqq_u32(pkt_cv, cv_mask)));
 292                                 elts[pos]->packet_type =
 293                                         mlx5_ptype_table[(pkt_hdr0 >> 2) |
 294                                                          pkt_info];
 295                                 elts[pos + 1]->packet_type =
 296                                         mlx5_ptype_table[(pkt_hdr1 >> 2) |
 297                                                          pkt_info];
 298                                 elts[pos + 2]->packet_type =
 299                                         mlx5_ptype_table[(pkt_hdr2 >> 2) |
 300                                                          pkt_info];
 301                                 elts[pos + 3]->packet_type =
 302                                         mlx5_ptype_table[(pkt_hdr3 >> 2) |
 303                                                          pkt_info];
 304                                 if (rxq->tunnel) {
 305                                         elts[pos]->packet_type |=
 306                                                 !!(((pkt_hdr0 >> 2) |
 307                                                 pkt_info) & (1 << 6));
 308                                         elts[pos + 1]->packet_type |=
 309                                                 !!(((pkt_hdr1 >> 2) |
 310                                                 pkt_info) & (1 << 6));
 311                                         elts[pos + 2]->packet_type |=
 312                                                 !!(((pkt_hdr2 >> 2) |
 313                                                 pkt_info) & (1 << 6));
 314                                         elts[pos + 3]->packet_type |=
 315                                                 !!(((pkt_hdr3 >> 2) |
 316                                                 pkt_info) & (1 << 6));
 317                                 }
 318                         }
 319                         const uint32x4_t hash_flags =
 320                                 vdupq_n_u32(PKT_RX_RSS_HASH);
 321                         const uint32x4_t rearm_flags =
 322                                 vdupq_n_u32((uint32_t)t_pkt->ol_flags);
 323
 324                         ol_flags_mask = vorrq_u32(ol_flags_mask, hash_flags);
 325                         ol_flags = vorrq_u32(ol_flags,
 326                                         vbicq_u32(rearm_flags, ol_flags_mask));
 327                         elts[pos]->ol_flags = vgetq_lane_u32(ol_flags, 3);
 328                         elts[pos + 1]->ol_flags = vgetq_lane_u32(ol_flags, 2);
 329                         elts[pos + 2]->ol_flags = vgetq_lane_u32(ol_flags, 1);
 330                         elts[pos + 3]->ol_flags = vgetq_lane_u32(ol_flags, 0);
 331                         elts[pos]->hash.rss = 0;
 332                         elts[pos + 1]->hash.rss = 0;
 333                         elts[pos + 2]->hash.rss = 0;
 334                         elts[pos + 3]->hash.rss = 0;
 335                 }
 336                 if (rxq->dynf_meta) {
 337                         int32_t offs = rxq->flow_meta_offset;
 338                         const uint32_t meta =
 339                                 *RTE_MBUF_DYNFIELD(t_pkt, offs, uint32_t *);
 340
 341                         /* Check if title packet has valid metadata. */
 342                         if (meta) {
 343                                 MLX5_ASSERT(t_pkt->ol_flags &
 344                                             rxq->flow_meta_mask);
 345                                 *RTE_MBUF_DYNFIELD(elts[pos], offs,
 346                                                         uint32_t *) = meta;
 347                                 *RTE_MBUF_DYNFIELD(elts[pos + 1], offs,
 348                                                         uint32_t *) = meta;
 349                                 *RTE_MBUF_DYNFIELD(elts[pos + 2], offs,
 350                                                         uint32_t *) = meta;
 351                                 *RTE_MBUF_DYNFIELD(elts[pos + 3], offs,
 352                                                         uint32_t *) = meta;
 353                         }
 354                 }
 355                 pos += MLX5_VPMD_DESCS_PER_LOOP;
 356                 /* Move to next CQE and invalidate consumed CQEs. */
 357                 if (!(pos & 0x7) && pos < mcqe_n) {
 358                         if (pos + 8 < mcqe_n)
 359                                 rte_prefetch0((void *)(cq + pos + 8));
 360                         mcq = (void *)&(cq + pos)->pkt_info;
 361                         for (i = 0; i < 8; ++i)
 362                                 cq[inv++].op_own = MLX5_CQE_INVALIDATE;
 363                 }
 364         }
 365         /* Invalidate the rest of CQEs. */
 366         for (; inv < mcqe_n; ++inv)
 367                 cq[inv].op_own = MLX5_CQE_INVALIDATE;
 368 #ifdef MLX5_PMD_SOFT_COUNTERS
 369         rxq->stats.ipackets += mcqe_n;
 370         rxq->stats.ibytes += rcvd_byte;
 371 #endif
 372         rxq->cq_ci += mcqe_n;
 373         return mcqe_n;
 374 }
 375
 376 /**
 377  * Calculate packet type and offload flag for mbuf and store it.
 378  *
 379  * @param rxq
 380  *   Pointer to RX queue structure.
 381  * @param ptype_info
 382  *   Array of four 4bytes packet type info extracted from the original
 383  *   completion descriptor.
 384  * @param flow_tag
 385  *   Array of four 4bytes flow ID extracted from the original completion
 386  *   descriptor.
 387  * @param op_err
 388  *   Opcode vector having responder error status. Each field is 4B.
 389  * @param pkts
 390  *   Pointer to array of packets to be filled.
 391  */
 392 static inline void
 393 rxq_cq_to_ptype_oflags_v(struct mlx5_rxq_data *rxq,
 394                          uint32x4_t ptype_info, uint32x4_t flow_tag,
 395                          uint16x4_t op_err, struct rte_mbuf **pkts)
 396 {
 397         uint16x4_t ptype;
 398         uint32x4_t pinfo, cv_flags;
 399         uint32x4_t ol_flags =
 400                 vdupq_n_u32(rxq->rss_hash * PKT_RX_RSS_HASH |
 401                             rxq->hw_timestamp * rxq->timestamp_rx_flag);
 402         const uint32x4_t ptype_ol_mask = { 0x106, 0x106, 0x106, 0x106 };
 403         const uint8x16_t cv_flag_sel = {
 404                 0,
 405                 (uint8_t)(PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED),
 406                 (uint8_t)(PKT_RX_IP_CKSUM_GOOD >> 1),
 407                 0,
 408                 (uint8_t)(PKT_RX_L4_CKSUM_GOOD >> 1),
 409                 0,
 410                 (uint8_t)((PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> 1),
 411                 0, 0, 0, 0, 0, 0, 0, 0, 0
 412         };
 413         const uint32x4_t cv_mask =
 414                 vdupq_n_u32(PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
 415                             PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED);
 416         const uint64x2_t mbuf_init = vld1q_u64
 417                                 ((const uint64_t *)&rxq->mbuf_initializer);
 418         uint64x2_t rearm0, rearm1, rearm2, rearm3;
 419         uint8_t pt_idx0, pt_idx1, pt_idx2, pt_idx3;
 420
 421         if (rxq->mark) {
 422                 const uint32x4_t ft_def = vdupq_n_u32(MLX5_FLOW_MARK_DEFAULT);
 423                 const uint32x4_t fdir_flags = vdupq_n_u32(PKT_RX_FDIR);
 424                 uint32x4_t fdir_id_flags = vdupq_n_u32(PKT_RX_FDIR_ID);
 425                 uint32x4_t invalid_mask;
 426
 427                 /* Check if flow tag is non-zero then set PKT_RX_FDIR. */
 428                 invalid_mask = vceqzq_u32(flow_tag);
 429                 ol_flags = vorrq_u32(ol_flags,
 430                                      vbicq_u32(fdir_flags, invalid_mask));
 431                 /* Mask out invalid entries. */
 432                 fdir_id_flags = vbicq_u32(fdir_id_flags, invalid_mask);
 433                 /* Check if flow tag MLX5_FLOW_MARK_DEFAULT. */
 434                 ol_flags = vorrq_u32(ol_flags,
 435                                      vbicq_u32(fdir_id_flags,
 436                                                vceqq_u32(flow_tag, ft_def)));
 437         }
 438         /*
 439          * ptype_info has the following:
 440          * bit[1]     = l3_ok
 441          * bit[2]     = l4_ok
 442          * bit[8]     = cv
 443          * bit[11:10] = l3_hdr_type
 444          * bit[14:12] = l4_hdr_type
 445          * bit[15]    = ip_frag
 446          * bit[16]    = tunneled
 447          * bit[17]    = outer_l3_type
 448          */
 449         ptype = vshrn_n_u32(ptype_info, 10);
 450         /* Errored packets will have RTE_PTYPE_ALL_MASK. */
 451         ptype = vorr_u16(ptype, op_err);
 452         pt_idx0 = vget_lane_u8(vreinterpret_u8_u16(ptype), 6);
 453         pt_idx1 = vget_lane_u8(vreinterpret_u8_u16(ptype), 4);
 454         pt_idx2 = vget_lane_u8(vreinterpret_u8_u16(ptype), 2);
 455         pt_idx3 = vget_lane_u8(vreinterpret_u8_u16(ptype), 0);
 456         pkts[0]->packet_type = mlx5_ptype_table[pt_idx0] |
 457                                !!(pt_idx0 & (1 << 6)) * rxq->tunnel;
 458         pkts[1]->packet_type = mlx5_ptype_table[pt_idx1] |
 459                                !!(pt_idx1 & (1 << 6)) * rxq->tunnel;
 460         pkts[2]->packet_type = mlx5_ptype_table[pt_idx2] |
 461                                !!(pt_idx2 & (1 << 6)) * rxq->tunnel;
 462         pkts[3]->packet_type = mlx5_ptype_table[pt_idx3] |
 463                                !!(pt_idx3 & (1 << 6)) * rxq->tunnel;
 464         /* Fill flags for checksum and VLAN. */
 465         pinfo = vandq_u32(ptype_info, ptype_ol_mask);
 466         pinfo = vreinterpretq_u32_u8(
 467                 vqtbl1q_u8(cv_flag_sel, vreinterpretq_u8_u32(pinfo)));
 468         /* Locate checksum flags at byte[2:1] and merge with VLAN flags. */
 469         cv_flags = vshlq_n_u32(pinfo, 9);
 470         cv_flags = vorrq_u32(pinfo, cv_flags);
 471         /* Move back flags to start from byte[0]. */
 472         cv_flags = vshrq_n_u32(cv_flags, 8);
 473         /* Mask out garbage bits. */
 474         cv_flags = vandq_u32(cv_flags, cv_mask);
 475         /* Merge to ol_flags. */
 476         ol_flags = vorrq_u32(ol_flags, cv_flags);
 477         /* Merge mbuf_init and ol_flags, and store. */
 478         rearm0 = vreinterpretq_u64_u32(vsetq_lane_u32
 479                                         (vgetq_lane_u32(ol_flags, 3),
 480                                          vreinterpretq_u32_u64(mbuf_init), 2));
 481         rearm1 = vreinterpretq_u64_u32(vsetq_lane_u32
 482                                         (vgetq_lane_u32(ol_flags, 2),
 483                                          vreinterpretq_u32_u64(mbuf_init), 2));
 484         rearm2 = vreinterpretq_u64_u32(vsetq_lane_u32
 485                                         (vgetq_lane_u32(ol_flags, 1),
 486                                          vreinterpretq_u32_u64(mbuf_init), 2));
 487         rearm3 = vreinterpretq_u64_u32(vsetq_lane_u32
 488                                         (vgetq_lane_u32(ol_flags, 0),
 489                                          vreinterpretq_u32_u64(mbuf_init), 2));
 490
 491         vst1q_u64((void *)&pkts[0]->rearm_data, rearm0);
 492         vst1q_u64((void *)&pkts[1]->rearm_data, rearm1);
 493         vst1q_u64((void *)&pkts[2]->rearm_data, rearm2);
 494         vst1q_u64((void *)&pkts[3]->rearm_data, rearm3);
 495 }
 496
 497 /**
 498  * Process a non-compressed completion and fill in mbufs in RX SW ring
 499  * with data extracted from the title completion descriptor.
 500  *
 501  * @param rxq
 502  *   Pointer to RX queue structure.
 503  * @param cq
 504  *   Pointer to completion array having a non-compressed completion at first.
 505  * @param elts
 506  *   Pointer to SW ring to be filled. The first mbuf has to be pre-built from
 507  *   the title completion descriptor to be copied to the rest of mbufs.
 508  * @param[out] pkts
 509  *   Array to store received packets.
 510  * @param pkts_n
 511  *   Maximum number of packets in array.
 512  * @param[out] err
 513  *   Pointer to a flag. Set non-zero value if pkts array has at least one error
 514  *   packet to handle.
 515  * @param[out] comp
 516  *   Pointer to a index. Set it to the first compressed completion if any.
 517  *
 518  * @return
 519  *   Number of CQEs successfully processed.
 520  */
 521 static inline uint16_t
 522 rxq_cq_process_v(struct mlx5_rxq_data *rxq, volatile struct mlx5_cqe *cq,
 523                  struct rte_mbuf **elts, struct rte_mbuf **pkts,
 524                  uint16_t pkts_n, uint64_t *err, uint64_t *comp)
 525 {
 526         const uint16_t q_n = 1 << rxq->cqe_n;
 527         const uint16_t q_mask = q_n - 1;
 528         unsigned int pos;
 529         uint64_t n = 0;
 530         uint64_t comp_idx = MLX5_VPMD_DESCS_PER_LOOP;
 531         uint16_t nocmp_n = 0;
 532         const uint16x4_t ownership = vdup_n_u16(!(rxq->cq_ci & (q_mask + 1)));
 533         const uint16x4_t owner_check = vcreate_u16(0x0001000100010001);
 534         const uint16x4_t opcode_check = vcreate_u16(0x00f000f000f000f0);
 535         const uint16x4_t format_check = vcreate_u16(0x000c000c000c000c);
 536         const uint16x4_t resp_err_check = vcreate_u16(0x00e000e000e000e0);
 537 #ifdef MLX5_PMD_SOFT_COUNTERS
 538         uint32_t rcvd_byte = 0;
 539 #endif
 540         /* Mask to generate 16B length vector. */
 541         const uint8x8_t len_shuf_m = {
 542                 52, 53,         /* 4th CQE */
 543                 36, 37,         /* 3rd CQE */
 544                 20, 21,         /* 2nd CQE */
 545                  4,  5          /* 1st CQE */
 546         };
 547         /* Mask to extract 16B data from a 64B CQE. */
 548         const uint8x16_t cqe_shuf_m = {
 549                 28, 29,         /* hdr_type_etc */
 550                  0,             /* pkt_info */
 551                 -1,             /* null */
 552                 47, 46,         /* byte_cnt, bswap16 */
 553                 31, 30,         /* vlan_info, bswap16 */
 554                 15, 14, 13, 12, /* rx_hash_res, bswap32 */
 555                 57, 58, 59,     /* flow_tag */
 556                 63              /* op_own */
 557         };
 558         /* Mask to generate 16B data for mbuf. */
 559         const uint8x16_t mb_shuf_m = {
 560                  4,  5, -1, -1, /* pkt_len */
 561                  4,  5,         /* data_len */
 562                  6,  7,         /* vlan_tci */
 563                  8,  9, 10, 11, /* hash.rss */
 564                 12, 13, 14, -1  /* hash.fdir.hi */
 565         };
 566         /* Mask to generate 16B owner vector. */
 567         const uint8x8_t owner_shuf_m = {
 568                 63, -1,         /* 4th CQE */
 569                 47, -1,         /* 3rd CQE */
 570                 31, -1,         /* 2nd CQE */
 571                 15, -1          /* 1st CQE */
 572         };
 573         /* Mask to generate a vector having packet_type/ol_flags. */
 574         const uint8x16_t ptype_shuf_m = {
 575                 48, 49, 50, -1, /* 4th CQE */
 576                 32, 33, 34, -1, /* 3rd CQE */
 577                 16, 17, 18, -1, /* 2nd CQE */
 578                  0,  1,  2, -1  /* 1st CQE */
 579         };
 580         /* Mask to generate a vector having flow tags. */
 581         const uint8x16_t ftag_shuf_m = {
 582                 60, 61, 62, -1, /* 4th CQE */
 583                 44, 45, 46, -1, /* 3rd CQE */
 584                 28, 29, 30, -1, /* 2nd CQE */
 585                 12, 13, 14, -1  /* 1st CQE */
 586         };
 587         const uint16x8_t crc_adj = {
 588                 0, 0, rxq->crc_present * RTE_ETHER_CRC_LEN, 0, 0, 0, 0, 0
 589         };
 590         const uint32x4_t flow_mark_adj = { 0, 0, 0, rxq->mark * (-1) };
 591
 592         /*
 593          * Note that vectors have reverse order - {v3, v2, v1, v0}, because
 594          * there's no instruction to count trailing zeros. __builtin_clzl() is
 595          * used instead.
 596          *
 597          * A. copy 4 mbuf pointers from elts ring to returing pkts.
 598          * B. load 64B CQE and extract necessary fields
 599          *    Final 16bytes cqes[] extracted from original 64bytes CQE has the
 600          *    following structure:
 601          *        struct {
 602          *          uint16_t hdr_type_etc;
 603          *          uint8_t  pkt_info;
 604          *          uint8_t  rsvd;
 605          *          uint16_t byte_cnt;
 606          *          uint16_t vlan_info;
 607          *          uint32_t rx_has_res;
 608          *          uint8_t  flow_tag[3];
 609          *          uint8_t  op_own;
 610          *        } c;
 611          * C. fill in mbuf.
 612          * D. get valid CQEs.
 613          * E. find compressed CQE.
 614          */
 615         for (pos = 0;
 616              pos < pkts_n;
 617              pos += MLX5_VPMD_DESCS_PER_LOOP) {
 618                 uint16x4_t op_own;
 619                 uint16x4_t opcode, owner_mask, invalid_mask;
 620                 uint16x4_t comp_mask;
 621                 uint16x4_t mask;
 622                 uint16x4_t byte_cnt;
 623                 uint32x4_t ptype_info, flow_tag;
 624                 register uint64x2_t c0, c1, c2, c3;
 625                 uint8_t *p0, *p1, *p2, *p3;
 626                 uint8_t *e0 = (void *)&elts[pos]->pkt_len;
 627                 uint8_t *e1 = (void *)&elts[pos + 1]->pkt_len;
 628                 uint8_t *e2 = (void *)&elts[pos + 2]->pkt_len;
 629                 uint8_t *e3 = (void *)&elts[pos + 3]->pkt_len;
 630                 void *elts_p = (void *)&elts[pos];
 631                 void *pkts_p = (void *)&pkts[pos];
 632
 633                 /* A.0 do not cross the end of CQ. */
 634                 mask = vcreate_u16(pkts_n - pos < MLX5_VPMD_DESCS_PER_LOOP ?
 635                                    -1UL >> ((pkts_n - pos) *
 636                                             sizeof(uint16_t) * 8) : 0);
 637                 p0 = (void *)&cq[pos].pkt_info;
 638                 p1 = p0 + (pkts_n - pos > 1) * sizeof(struct mlx5_cqe);
 639                 p2 = p1 + (pkts_n - pos > 2) * sizeof(struct mlx5_cqe);
 640                 p3 = p2 + (pkts_n - pos > 3) * sizeof(struct mlx5_cqe);
 641                 /* B.0 (CQE 3) load a block having op_own. */
 642                 c3 = vld1q_u64((uint64_t *)(p3 + 48));
 643                 /* B.0 (CQE 2) load a block having op_own. */
 644                 c2 = vld1q_u64((uint64_t *)(p2 + 48));
 645                 /* B.0 (CQE 1) load a block having op_own. */
 646                 c1 = vld1q_u64((uint64_t *)(p1 + 48));
 647                 /* B.0 (CQE 0) load a block having op_own. */
 648                 c0 = vld1q_u64((uint64_t *)(p0 + 48));
 649                 /* Synchronize for loading the rest of blocks. */
 650                 rte_io_rmb();
 651                 /* Prefetch next 4 CQEs. */
 652                 if (pkts_n - pos >= 2 * MLX5_VPMD_DESCS_PER_LOOP) {
 653                         unsigned int next = pos + MLX5_VPMD_DESCS_PER_LOOP;
 654                         rte_prefetch_non_temporal(&cq[next]);
 655                         rte_prefetch_non_temporal(&cq[next + 1]);
 656                         rte_prefetch_non_temporal(&cq[next + 2]);
 657                         rte_prefetch_non_temporal(&cq[next + 3]);
 658                 }
 659                 __asm__ volatile (
 660                 /* B.1 (CQE 3) load the rest of blocks. */
 661                 "ld1 {v16.16b - v18.16b}, [%[p3]] \n\t"
 662                 /* B.2 (CQE 3) move the block having op_own. */
 663                 "mov v19.16b, %[c3].16b \n\t"
 664                 /* B.3 (CQE 3) extract 16B fields. */
 665                 "tbl v23.16b, {v16.16b - v19.16b}, %[cqe_shuf_m].16b \n\t"
 666                 /* B.1 (CQE 2) load the rest of blocks. */
 667                 "ld1 {v16.16b - v18.16b}, [%[p2]] \n\t"
 668                 /* B.4 (CQE 3) adjust CRC length. */
 669                 "sub v23.8h, v23.8h, %[crc_adj].8h \n\t"
 670                 /* C.1 (CQE 3) generate final structure for mbuf. */
 671                 "tbl v15.16b, {v23.16b}, %[mb_shuf_m].16b \n\t"
 672                 /* B.2 (CQE 2) move the block having op_own. */
 673                 "mov v19.16b, %[c2].16b \n\t"
 674                 /* B.3 (CQE 2) extract 16B fields. */
 675                 "tbl v22.16b, {v16.16b - v19.16b}, %[cqe_shuf_m].16b \n\t"
 676                 /* B.1 (CQE 1) load the rest of blocks. */
 677                 "ld1 {v16.16b - v18.16b}, [%[p1]] \n\t"
 678                 /* B.4 (CQE 2) adjust CRC length. */
 679                 "sub v22.8h, v22.8h, %[crc_adj].8h \n\t"
 680                 /* C.1 (CQE 2) generate final structure for mbuf. */
 681                 "tbl v14.16b, {v22.16b}, %[mb_shuf_m].16b \n\t"
 682                 /* B.2 (CQE 1) move the block having op_own. */
 683                 "mov v19.16b, %[c1].16b \n\t"
 684                 /* B.3 (CQE 1) extract 16B fields. */
 685                 "tbl v21.16b, {v16.16b - v19.16b}, %[cqe_shuf_m].16b \n\t"
 686                 /* B.1 (CQE 0) load the rest of blocks. */
 687                 "ld1 {v16.16b - v18.16b}, [%[p0]] \n\t"
 688                 /* B.4 (CQE 1) adjust CRC length. */
 689                 "sub v21.8h, v21.8h, %[crc_adj].8h \n\t"
 690                 /* C.1 (CQE 1) generate final structure for mbuf. */
 691                 "tbl v13.16b, {v21.16b}, %[mb_shuf_m].16b \n\t"
 692                 /* B.2 (CQE 0) move the block having op_own. */
 693                 "mov v19.16b, %[c0].16b \n\t"
 694                 /* A.1 load mbuf pointers. */
 695                 "ld1 {v24.2d - v25.2d}, [%[elts_p]] \n\t"
 696                 /* B.3 (CQE 0) extract 16B fields. */
 697                 "tbl v20.16b, {v16.16b - v19.16b}, %[cqe_shuf_m].16b \n\t"
 698                 /* B.4 (CQE 0) adjust CRC length. */
 699                 "sub v20.8h, v20.8h, %[crc_adj].8h \n\t"
 700                 /* D.1 extract op_own byte. */
 701                 "tbl %[op_own].8b, {v20.16b - v23.16b}, %[owner_shuf_m].8b \n\t"
 702                 /* C.2 (CQE 3) adjust flow mark. */
 703                 "add v15.4s, v15.4s, %[flow_mark_adj].4s \n\t"
 704                 /* C.3 (CQE 3) fill in mbuf - rx_descriptor_fields1. */
 705                 "st1 {v15.2d}, [%[e3]] \n\t"
 706                 /* C.2 (CQE 2) adjust flow mark. */
 707                 "add v14.4s, v14.4s, %[flow_mark_adj].4s \n\t"
 708                 /* C.3 (CQE 2) fill in mbuf - rx_descriptor_fields1. */
 709                 "st1 {v14.2d}, [%[e2]] \n\t"
 710                 /* C.1 (CQE 0) generate final structure for mbuf. */
 711                 "tbl v12.16b, {v20.16b}, %[mb_shuf_m].16b \n\t"
 712                 /* C.2 (CQE 1) adjust flow mark. */
 713                 "add v13.4s, v13.4s, %[flow_mark_adj].4s \n\t"
 714                 /* C.3 (CQE 1) fill in mbuf - rx_descriptor_fields1. */
 715                 "st1 {v13.2d}, [%[e1]] \n\t"
 716 #ifdef MLX5_PMD_SOFT_COUNTERS
 717                 /* Extract byte_cnt. */
 718                 "tbl %[byte_cnt].8b, {v20.16b - v23.16b}, %[len_shuf_m].8b \n\t"
 719 #endif
 720                 /* Extract ptype_info. */
 721                 "tbl %[ptype_info].16b, {v20.16b - v23.16b}, %[ptype_shuf_m].16b \n\t"
 722                 /* Extract flow_tag. */
 723                 "tbl %[flow_tag].16b, {v20.16b - v23.16b}, %[ftag_shuf_m].16b \n\t"
 724                 /* A.2 copy mbuf pointers. */
 725                 "st1 {v24.2d - v25.2d}, [%[pkts_p]] \n\t"
 726                 /* C.2 (CQE 0) adjust flow mark. */
 727                 "add v12.4s, v12.4s, %[flow_mark_adj].4s \n\t"
 728                 /* C.3 (CQE 1) fill in mbuf - rx_descriptor_fields1. */
 729                 "st1 {v12.2d}, [%[e0]] \n\t"
 730                 :[op_own]"=&w"(op_own),
 731                  [byte_cnt]"=&w"(byte_cnt),
 732                  [ptype_info]"=&w"(ptype_info),
 733                  [flow_tag]"=&w"(flow_tag)
 734                 :[p3]"r"(p3), [p2]"r"(p2), [p1]"r"(p1), [p0]"r"(p0),
 735                  [e3]"r"(e3), [e2]"r"(e2), [e1]"r"(e1), [e0]"r"(e0),
 736                  [c3]"w"(c3), [c2]"w"(c2), [c1]"w"(c1), [c0]"w"(c0),
 737                  [elts_p]"r"(elts_p),
 738                  [pkts_p]"r"(pkts_p),
 739                  [cqe_shuf_m]"w"(cqe_shuf_m),
 740                  [mb_shuf_m]"w"(mb_shuf_m),
 741                  [owner_shuf_m]"w"(owner_shuf_m),
 742                  [len_shuf_m]"w"(len_shuf_m),
 743                  [ptype_shuf_m]"w"(ptype_shuf_m),
 744                  [ftag_shuf_m]"w"(ftag_shuf_m),
 745                  [crc_adj]"w"(crc_adj),
 746                  [flow_mark_adj]"w"(flow_mark_adj)
 747                 :"memory",
 748                  "v12", "v13", "v14", "v15",
 749                  "v16", "v17", "v18", "v19",
 750                  "v20", "v21", "v22", "v23",
 751                  "v24", "v25");
 752                 /* D.2 flip owner bit to mark CQEs from last round. */
 753                 owner_mask = vand_u16(op_own, owner_check);
 754                 owner_mask = vceq_u16(owner_mask, ownership);
 755                 /* D.3 get mask for invalidated CQEs. */
 756                 opcode = vand_u16(op_own, opcode_check);
 757                 invalid_mask = vceq_u16(opcode_check, opcode);
 758                 /* E.1 find compressed CQE format. */
 759                 comp_mask = vand_u16(op_own, format_check);
 760                 comp_mask = vceq_u16(comp_mask, format_check);
 761                 /* D.4 mask out beyond boundary. */
 762                 invalid_mask = vorr_u16(invalid_mask, mask);
 763                 /* D.5 merge invalid_mask with invalid owner. */
 764                 invalid_mask = vorr_u16(invalid_mask, owner_mask);
 765                 /* E.2 mask out invalid entries. */
 766                 comp_mask = vbic_u16(comp_mask, invalid_mask);
 767                 /* E.3 get the first compressed CQE. */
 768                 comp_idx = __builtin_clzl(vget_lane_u64(vreinterpret_u64_u16(
 769                                           comp_mask), 0)) /
 770                                           (sizeof(uint16_t) * 8);
 771                 /* D.6 mask out entries after the compressed CQE. */
 772                 mask = vcreate_u16(comp_idx < MLX5_VPMD_DESCS_PER_LOOP ?
 773                                    -1UL >> (comp_idx * sizeof(uint16_t) * 8) :
 774                                    0);
 775                 invalid_mask = vorr_u16(invalid_mask, mask);
 776                 /* D.7 count non-compressed valid CQEs. */
 777                 n = __builtin_clzl(vget_lane_u64(vreinterpret_u64_u16(
 778                                    invalid_mask), 0)) / (sizeof(uint16_t) * 8);
 779                 nocmp_n += n;
 780                 /* D.2 get the final invalid mask. */
 781                 mask = vcreate_u16(n < MLX5_VPMD_DESCS_PER_LOOP ?
 782                                    -1UL >> (n * sizeof(uint16_t) * 8) : 0);
 783                 invalid_mask = vorr_u16(invalid_mask, mask);
 784                 /* D.3 check error in opcode. */
 785                 opcode = vceq_u16(resp_err_check, opcode);
 786                 opcode = vbic_u16(opcode, invalid_mask);
 787                 /* D.4 mark if any error is set */
 788                 *err |= vget_lane_u64(vreinterpret_u64_u16(opcode), 0);
 789                 /* C.4 fill in mbuf - rearm_data and packet_type. */
 790                 rxq_cq_to_ptype_oflags_v(rxq, ptype_info, flow_tag,
 791                                          opcode, &elts[pos]);
 792                 if (rxq->hw_timestamp) {
 793                         int offset = rxq->timestamp_offset;
 794                         if (rxq->rt_timestamp) {
 795                                 struct mlx5_dev_ctx_shared *sh = rxq->sh;
 796                                 uint64_t ts;
 797
 798                                 ts = rte_be_to_cpu_64
 799                                         (container_of(p0, struct mlx5_cqe,
 800                                                       pkt_info)->timestamp);
 801                                 mlx5_timestamp_set(elts[pos], offset,
 802                                         mlx5_txpp_convert_rx_ts(sh, ts));
 803                                 ts = rte_be_to_cpu_64
 804                                         (container_of(p1, struct mlx5_cqe,
 805                                                       pkt_info)->timestamp);
 806                                 mlx5_timestamp_set(elts[pos + 1], offset,
 807                                         mlx5_txpp_convert_rx_ts(sh, ts));
 808                                 ts = rte_be_to_cpu_64
 809                                         (container_of(p2, struct mlx5_cqe,
 810                                                       pkt_info)->timestamp);
 811                                 mlx5_timestamp_set(elts[pos + 2], offset,
 812                                         mlx5_txpp_convert_rx_ts(sh, ts));
 813                                 ts = rte_be_to_cpu_64
 814                                         (container_of(p3, struct mlx5_cqe,
 815                                                       pkt_info)->timestamp);
 816                                 mlx5_timestamp_set(elts[pos + 3], offset,
 817                                         mlx5_txpp_convert_rx_ts(sh, ts));
 818                         } else {
 819                                 mlx5_timestamp_set(elts[pos], offset,
 820                                         rte_be_to_cpu_64(container_of(p0,
 821                                         struct mlx5_cqe, pkt_info)->timestamp));
 822                                 mlx5_timestamp_set(elts[pos + 1], offset,
 823                                         rte_be_to_cpu_64(container_of(p1,
 824                                         struct mlx5_cqe, pkt_info)->timestamp));
 825                                 mlx5_timestamp_set(elts[pos + 2], offset,
 826                                         rte_be_to_cpu_64(container_of(p2,
 827                                         struct mlx5_cqe, pkt_info)->timestamp));
 828                                 mlx5_timestamp_set(elts[pos + 3], offset,
 829                                         rte_be_to_cpu_64(container_of(p3,
 830                                         struct mlx5_cqe, pkt_info)->timestamp));
 831                         }
 832                 }
 833                 if (rxq->dynf_meta) {
 834                         /* This code is subject for futher optimization. */
 835                         int32_t offs = rxq->flow_meta_offset;
 836
 837                         *RTE_MBUF_DYNFIELD(pkts[pos], offs, uint32_t *) =
 838                                 container_of(p0, struct mlx5_cqe,
 839                                              pkt_info)->flow_table_metadata;
 840                         *RTE_MBUF_DYNFIELD(pkts[pos + 1], offs, uint32_t *) =
 841                                 container_of(p1, struct mlx5_cqe,
 842                                              pkt_info)->flow_table_metadata;
 843                         *RTE_MBUF_DYNFIELD(pkts[pos + 2], offs, uint32_t *) =
 844                                 container_of(p2, struct mlx5_cqe,
 845                                              pkt_info)->flow_table_metadata;
 846                         *RTE_MBUF_DYNFIELD(pkts[pos + 3], offs, uint32_t *) =
 847                                 container_of(p3, struct mlx5_cqe,
 848                                              pkt_info)->flow_table_metadata;
 849                         if (*RTE_MBUF_DYNFIELD(pkts[pos], offs, uint32_t *))
 850                                 elts[pos]->ol_flags |= rxq->flow_meta_mask;
 851                         if (*RTE_MBUF_DYNFIELD(pkts[pos + 1], offs, uint32_t *))
 852                                 elts[pos + 1]->ol_flags |= rxq->flow_meta_mask;
 853                         if (*RTE_MBUF_DYNFIELD(pkts[pos + 2], offs, uint32_t *))
 854                                 elts[pos + 2]->ol_flags |= rxq->flow_meta_mask;
 855                         if (*RTE_MBUF_DYNFIELD(pkts[pos + 3], offs, uint32_t *))
 856                                 elts[pos + 3]->ol_flags |= rxq->flow_meta_mask;
 857                 }
 858 #ifdef MLX5_PMD_SOFT_COUNTERS
 859                 /* Add up received bytes count. */
 860                 byte_cnt = vbic_u16(byte_cnt, invalid_mask);
 861                 rcvd_byte += vget_lane_u64(vpaddl_u32(vpaddl_u16(byte_cnt)), 0);
 862 #endif
 863                 /*
 864                  * Break the loop unless more valid CQE is expected, or if
 865                  * there's a compressed CQE.
 866                  */
 867                 if (n != MLX5_VPMD_DESCS_PER_LOOP)
 868                         break;
 869         }
 870 #ifdef MLX5_PMD_SOFT_COUNTERS
 871         rxq->stats.ipackets += nocmp_n;
 872         rxq->stats.ibytes += rcvd_byte;
 873 #endif
 874         if (comp_idx == n)
 875                 *comp = comp_idx;
 876         return nocmp_n;
 877 }
 878
 879 #endif /* RTE_PMD_MLX5_RXTX_VEC_NEON_H_ */