| 123 | } |
| 124 | |
| 125 | static uint16_t |
| 126 | virtqueue_dequeue_burst_rx_packed(struct virtqueue *vq, |
| 127 | struct rte_mbuf **rx_pkts, |
| 128 | uint32_t *len, |
| 129 | uint16_t num) |
| 130 | { |
| 131 | struct rte_mbuf *cookie; |
| 132 | uint16_t used_idx; |
| 133 | uint16_t id; |
| 134 | struct vring_packed_desc *desc; |
| 135 | uint16_t i; |
| 136 | |
| 137 | desc = vq->vq_packed.ring.desc; |
| 138 | |
| 139 | for (i = 0; i < num; i++) { |
| 140 | used_idx = vq->vq_used_cons_idx; |
| 141 | /* desc_is_used has a load-acquire or rte_io_rmb inside |
| 142 | * and wait for used desc in virtqueue. |
| 143 | */ |
| 144 | if (!desc_is_used(&desc[used_idx], vq)) |
| 145 | return i; |
| 146 | len[i] = desc[used_idx].len; |
| 147 | id = desc[used_idx].id; |
| 148 | cookie = (struct rte_mbuf *)vq->vq_descx[id].cookie; |
| 149 | if (unlikely(cookie == NULL)) { |
| 150 | PMD_DRV_LOG(ERR, "vring descriptor with no mbuf cookie at %u", |
| 151 | vq->vq_used_cons_idx); |
| 152 | break; |
| 153 | } |
| 154 | rte_prefetch0(cookie); |
| 155 | rte_packet_prefetch(rte_pktmbuf_mtod(cookie, void *)); |
| 156 | rx_pkts[i] = cookie; |
| 157 | |
| 158 | vq->vq_free_cnt++; |
| 159 | vq->vq_used_cons_idx++; |
| 160 | if (vq->vq_used_cons_idx >= vq->vq_nentries) { |
| 161 | vq->vq_used_cons_idx -= vq->vq_nentries; |
| 162 | vq->vq_packed.used_wrap_counter ^= 1; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | return i; |
| 167 | } |
| 168 | |
| 169 | static uint16_t |
| 170 | virtqueue_dequeue_burst_rx(struct virtqueue *vq, struct rte_mbuf **rx_pkts, |
no test coverage detected