From: Shahaf Shuler <shahafs@mellanox.com>
Date: Sun, 17 Sep 2017 08:12:49 +0000 (+0300)
Subject: net/mlx5: fix TSO segment size verification
X-Git-Tag: spdx-start~1947
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=96fc8d6561b1b1348af97c2ed275922315d228c4;p=dpdk.git

net/mlx5: fix TSO segment size verification

TSO segment size must be larger then 0.

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

Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index bc1f85c93e..8a1829aa7a 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;