[dpdk-dev] [PATCH] net/mlx5: fix TSO TCP checksum flag

Shahaf Shuler shahafs at mellanox.com
Tue Mar 7 12:47:51 CET 2017


Since PKT_TX_TCP_SEG implies PKT_TX_TCP_CKSUM, the PMD must force this
flag.
The fix applied for both tunneled and non-tunneled packets.

Fixes: 19c5dc66b851 ("net/mlx5: add hardware TSO support")
Fixes: 751f56489e31 ("net/mlx5: add hardware TSO support for VXLAN and GRE")
Cc: stable at dpdk.org

Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
---
 drivers/net/mlx5/mlx5_rxtx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 405836c..2d33f2d 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -499,6 +499,9 @@
 				if (is_tunneled	&& txq->tunnel_en) {
 					tso_header_sz += buf->outer_l2_len +
 							 buf->outer_l3_len;
+					cs_flags |= MLX5_ETH_WQE_L4_INNER_CSUM;
+				} else {
+					cs_flags |= MLX5_ETH_WQE_L4_CSUM;
 				}
 				if (unlikely(tso_header_sz >
 					     MLX5_MAX_TSO_HEADER))
-- 
1.8.3.1



More information about the dev mailing list