d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/af_xdp: enqueue buf ring when allocate Tx queue fails

Browse Source 
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@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
This commit is contained in:
Xiaolong Ye 2019-04-17 21:49:43 +08:00 committed by Ferruh Yigit
parent 7dee8c7948
commit f57ea89c69
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/af_xdp/rte_eth_af_xdp.c
View File

@ -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;
}