[dpdk-dev] [PATCH 10/14] mlx5: fix TX for scattered mbufs with too many segments

[Adrien Mazarguil]

Buffers with too many segments are linearized to overcome
MLX5_PMD_SGE_WR_N, unfortunately the last segment is never sent.

Fixes: 3ee8444608a9 ("mlx5: support scattered Rx and Tx")

Signed-off-by: Jesper Wramberg <jesper.wramberg at gmail.com>
Signed-off-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
---
 drivers/net/mlx5/mlx5_rxtx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 4c6ed32..80d0c97 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -325,6 +325,8 @@ tx_burst_sg(struct txq *txq, unsigned int segs, struct 
txq_elt *elt,
                sge->length = size;
                sge->lkey = txq->mr_linear->lkey;
                sent_size += size;
+               /* Include last segment. */
+               segs++;
        }
        return (struct tx_burst_sg_ret){
                .length = sent_size,
-- 
2.1.0