[dpdk-dev] [PATCH v3 1/4] net/af_xdp: enqueue buf ring when allocate Tx queue fails
Xiaolong Ye
xiaolong.ye at intel.com
Wed Apr 17 10:56:50 CEST 2019
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.ye at 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
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