From f57ea89c6967b9fa62fa156af97956798d24960c Mon Sep 17 00:00:00 2001 From: Xiaolong Ye Date: Wed, 17 Apr 2019 21:49:43 +0800 Subject: [PATCH] net/af_xdp: enqueue buf ring when allocate Tx queue fails 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 Reviewed-by: David Marchand --- 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 007a1c6b48..5cc643ce22 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; } -- 2.20.1