On Wed, Apr 17, 2019 at 11:02 AM Xiaolong Ye <xiaolong...@intel.com> wrote:
> When it fails to allocate enough slots in Tx queue for transmitting
> packets, we need to return the dequeued addrs to buf ring.
>
> Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")
>
> Signed-off-by: Xiaolong Ye <xiaolong...@intel.com>
> ---
> drivers/net/af_xdp/rte_eth_af_xdp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c
> b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index 007a1c6b4..5cc643ce2 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -276,6 +276,7 @@ eth_af_xdp_tx(void *queue, struct rte_mbuf **bufs,
> uint16_t nb_pkts)
>
> if (xsk_ring_prod__reserve(&txq->tx, nb_pkts, &idx_tx) != nb_pkts)
> {
> kick_tx(txq);
> + rte_ring_enqueue_bulk(umem->buf_ring, addrs, nb_pkts,
> NULL);
> return 0;
> }
>
> --
> 2.17.1
>
When there is no change, please keep Review tags from previous versions.
Reviewed-by: David Marchand <david.march...@redhat.com>
--
David Marchand
