+ if (rxq->mcqe_format !=
+ MLX5_CQE_RESP_FORMAT_FTAG_STRIDX) {
+ const uint32_t flow_tag = t_pkt->hash.fdir.hi;
+
+ /* E.1 store flow tag (rte_flow mark). */
+ elts[pos]->hash.fdir.hi = flow_tag;
+ elts[pos + 1]->hash.fdir.hi = flow_tag;
+ elts[pos + 2]->hash.fdir.hi = flow_tag;
+ elts[pos + 3]->hash.fdir.hi = flow_tag;
+ } else {
+ const uint32x4_t flow_mark_adj = {
+ -1, -1, -1, -1 };
+ const uint8x16_t flow_mark_shuf = {
+ 28, 24, 25, -1,
+ 20, 16, 17, -1,
+ 12, 8, 9, -1,
+ 4, 0, 1, -1};
+ /* Extract flow_tag field. */
+ const uint32x4_t ft_mask =
+ vdupq_n_u32(MLX5_FLOW_MARK_DEFAULT);
+ const uint32x4_t fdir_flags =
+ vdupq_n_u32(RTE_MBUF_F_RX_FDIR);
+ const uint32x4_t fdir_all_flags =
+ vdupq_n_u32(RTE_MBUF_F_RX_FDIR |
+ RTE_MBUF_F_RX_FDIR_ID);
+ uint32x4_t fdir_id_flags =
+ vdupq_n_u32(RTE_MBUF_F_RX_FDIR_ID);
+ uint32x4_t invalid_mask, ftag;
+
+ __asm__ volatile
+ /* A.1 load mCQEs into a 128bit register. */
+ ("ld1 {v16.16b - v17.16b}, [%[mcq]]\n\t"
+ /* Extract flow_tag. */
+ "tbl %[ftag].16b, {v16.16b - v17.16b}, %[flow_mark_shuf].16b\n\t"
+ : [ftag]"=&w"(ftag)
+ : [mcq]"r"(p),
+ [flow_mark_shuf]"w"(flow_mark_shuf)
+ : "memory", "v16", "v17");
+ invalid_mask = vceqzq_u32(ftag);
+ ol_flags_mask = vorrq_u32(ol_flags_mask,
+ fdir_all_flags);
+ /* Set RTE_MBUF_F_RX_FDIR if flow tag is non-zero. */
+ ol_flags = vorrq_u32(ol_flags,
+ vbicq_u32(fdir_flags, invalid_mask));
+ /* Mask out invalid entries. */
+ fdir_id_flags = vbicq_u32(fdir_id_flags,
+ invalid_mask);
+ /* Check if flow tag MLX5_FLOW_MARK_DEFAULT. */
+ ol_flags = vorrq_u32(ol_flags,
+ vbicq_u32(fdir_id_flags,
+ vceqq_u32(ftag, ft_mask)));
+ ftag = vaddq_u32(ftag, flow_mark_adj);
+ elts[pos]->hash.fdir.hi =
+ vgetq_lane_u32(ftag, 3);
+ elts[pos + 1]->hash.fdir.hi =
+ vgetq_lane_u32(ftag, 2);
+ elts[pos + 2]->hash.fdir.hi =
+ vgetq_lane_u32(ftag, 1);
+ elts[pos + 3]->hash.fdir.hi =
+ vgetq_lane_u32(ftag, 0);
+ }
+ }
+ if (unlikely(rxq->mcqe_format !=
+ MLX5_CQE_RESP_FORMAT_HASH)) {
+ if (rxq->mcqe_format ==
+ MLX5_CQE_RESP_FORMAT_L34H_STRIDX) {
+ const uint8_t pkt_info =
+ (cq->pkt_info & 0x3) << 6;
+ const uint8_t pkt_hdr0 =
+ mcq[pos % 8].hdr_type;
+ const uint8_t pkt_hdr1 =
+ mcq[pos % 8 + 1].hdr_type;
+ const uint8_t pkt_hdr2 =
+ mcq[pos % 8 + 2].hdr_type;
+ const uint8_t pkt_hdr3 =
+ mcq[pos % 8 + 3].hdr_type;
+ const uint32x4_t vlan_mask =
+ vdupq_n_u32(RTE_MBUF_F_RX_VLAN |
+ RTE_MBUF_F_RX_VLAN_STRIPPED);
+ const uint32x4_t cv_mask =
+ vdupq_n_u32(MLX5_CQE_VLAN_STRIPPED);
+ const uint32x4_t pkt_cv = {
+ pkt_hdr0 & 0x1, pkt_hdr1 & 0x1,
+ pkt_hdr2 & 0x1, pkt_hdr3 & 0x1};
+
+ ol_flags_mask = vorrq_u32(ol_flags_mask,
+ vlan_mask);
+ ol_flags = vorrq_u32(ol_flags,
+ vandq_u32(vlan_mask,
+ vceqq_u32(pkt_cv, cv_mask)));
+ elts[pos]->packet_type =
+ mlx5_ptype_table[(pkt_hdr0 >> 2) |
+ pkt_info];
+ elts[pos + 1]->packet_type =
+ mlx5_ptype_table[(pkt_hdr1 >> 2) |
+ pkt_info];
+ elts[pos + 2]->packet_type =
+ mlx5_ptype_table[(pkt_hdr2 >> 2) |
+ pkt_info];
+ elts[pos + 3]->packet_type =
+ mlx5_ptype_table[(pkt_hdr3 >> 2) |
+ pkt_info];
+ if (rxq->tunnel) {
+ elts[pos]->packet_type |=
+ !!(((pkt_hdr0 >> 2) |
+ pkt_info) & (1 << 6));
+ elts[pos + 1]->packet_type |=
+ !!(((pkt_hdr1 >> 2) |
+ pkt_info) & (1 << 6));
+ elts[pos + 2]->packet_type |=
+ !!(((pkt_hdr2 >> 2) |
+ pkt_info) & (1 << 6));
+ elts[pos + 3]->packet_type |=
+ !!(((pkt_hdr3 >> 2) |
+ pkt_info) & (1 << 6));
+ }
+ }
+ const uint32x4_t hash_flags =
+ vdupq_n_u32(RTE_MBUF_F_RX_RSS_HASH);
+ const uint32x4_t rearm_flags =
+ vdupq_n_u32((uint32_t)t_pkt->ol_flags);
+
+ ol_flags_mask = vorrq_u32(ol_flags_mask, hash_flags);
+ ol_flags = vorrq_u32(ol_flags,
+ vbicq_u32(rearm_flags, ol_flags_mask));
+ elts[pos]->ol_flags = vgetq_lane_u32(ol_flags, 3);
+ elts[pos + 1]->ol_flags = vgetq_lane_u32(ol_flags, 2);
+ elts[pos + 2]->ol_flags = vgetq_lane_u32(ol_flags, 1);
+ elts[pos + 3]->ol_flags = vgetq_lane_u32(ol_flags, 0);
+ elts[pos]->hash.rss = 0;
+ elts[pos + 1]->hash.rss = 0;
+ elts[pos + 2]->hash.rss = 0;
+ elts[pos + 3]->hash.rss = 0;
+ }
+ if (rxq->dynf_meta) {
+ int32_t offs = rxq->flow_meta_offset;
+ const uint32_t meta =
+ *RTE_MBUF_DYNFIELD(t_pkt, offs, uint32_t *);
+
+ /* Check if title packet has valid metadata. */
+ if (meta) {
+ MLX5_ASSERT(t_pkt->ol_flags &
+ rxq->flow_meta_mask);
+ *RTE_MBUF_DYNFIELD(elts[pos], offs,
+ uint32_t *) = meta;
+ *RTE_MBUF_DYNFIELD(elts[pos + 1], offs,
+ uint32_t *) = meta;
+ *RTE_MBUF_DYNFIELD(elts[pos + 2], offs,
+ uint32_t *) = meta;
+ *RTE_MBUF_DYNFIELD(elts[pos + 3], offs,
+ uint32_t *) = meta;
+ }