[dpdk-dev] [PATCH] net/af_xdp: submit valid count to Tx queue

Xiaolong Ye xiaolong.ye at intel.com
Wed Apr 10 12:53:27 CEST 2019


Since tx callback only picks mbufs that can be copied to the xdp desc, it
should call xsk_ring_prod__submit with valid count other than nb_pkts.

Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")

Reported-by: David Marchand <david.marchand at redhat.com>
Signed-off-by: Xiaolong Ye <xiaolong.ye at intel.com>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 5cc643ce2..8c2ba5740 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -300,7 +300,7 @@ eth_af_xdp_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 		rte_pktmbuf_free(mbuf);
 	}
 
-	xsk_ring_prod__submit(&txq->tx, nb_pkts);
+	xsk_ring_prod__submit(&txq->tx, valid);
 
 	kick_tx(txq);
 
-- 
2.17.1



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