On Thu, 21 Mar 2019 17:18:41 +0800
Xiaolong Ye <xiaolong...@intel.com> wrote:
> + for (i = 0; i < rcvd; i++) {
> + const struct xdp_desc *desc;
> + uint64_t addr;
> + uint32_t len;
> + void *pkt;
> +
> + desc = xsk_ring_cons__rx_desc(rx, idx_rx++);
> + addr = desc->addr;
> + len = desc->len;
> + pkt = xsk_umem__get_data(rxq->umem->buffer, addr);
> +
> + mbuf = rte_pktmbuf_alloc(rxq->mb_pool);
You could use rte_pktmbuf_alloc_bulk to get the mbufs in one call
before doing this. It saves rcvd-1 atomic operations.
