Re: [dpdk-dev] [PATCH] port: add file descriptor SWX port

[Stephen Hemminger]

On Fri, 19 Mar 2021 08:02:06 -0400
Venkata Suresh Kumar P <venkata.suresh.kuma...@intel.com> wrote:

> +static void
> +__writer_flush(struct writer *p)
> +{
> +     struct rte_mbuf *pkt;
> +     void *pkt_data;
> +     size_t n_bytes;
> +     ssize_t ret;
> +     uint32_t i;
> +
> +     for (i = 0; i < p->n_pkts; i++) {
> +             pkt = p->pkts[i];
> +             pkt_data = rte_pktmbuf_mtod(pkt, void*);
> +             n_bytes = rte_pktmbuf_data_len(pkt);
> +
> +             ret = write(p->params.fd, pkt_data, n_bytes);
> +             if (ret < 0)
> +                     break;
> +     }
> +
> +     TRACE("[FD %u] %u packets out\n",
> +             (uint32_t)p->params.fd,
> +             p->n_pkts);
> +
> +     for (i = 0; i < p->n_pkts; i++)
> +             rte_pktmbuf_free(p->pkts[i]);

Loop can be replaced by:
        rte_pktmbuf_free_bulk(p->pkts, p->n_pkts);