[dpdk-dev] [PATCH] net/mlx5: fix TSO segment size verification

[Shahaf Shuler]

TSO segment size must be larger then 0.

Fixes: 3f13f8c23a7c ("net/mlx5: support hardware TSO")
Cc: stable at dpdk.org

Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
Acked-by: Yongseok Koh <yskoh at mellanox.com>
---
 drivers/net/mlx5/mlx5_rxtx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index bc1f85c93..8a1829aa7 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -475,7 +475,10 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
 				tso_header_sz = buf->l2_len + vlan_sz +
 						buf->l3_len + buf->l4_len;
 				tso_segsz = buf->tso_segsz;
-
+				if (unlikely(tso_segsz == 0)) {
+					txq->stats.oerrors++;
+					break;
+				}
 				if (is_tunneled	&& txq->tunnel_en) {
 					tso_header_sz += buf->outer_l2_len +
 							 buf->outer_l3_len;
-- 
2.12.0