net/mlx5: fix order of items in neon scatter func

Message ID 1e43edbc1aa11055521150f5be724278aa1247e6.1557915012.git.dekelp@mellanox.com
State New
Delegated to: Shahaf Shuler
Headers show
Series
  • net/mlx5: fix order of items in neon scatter func
Related show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/mellanox-Performance-Testing success Performance Testing PASS
ci/intel-Performance-Testing success Performance Testing PASS
ci/checkpatch success coding style OK

Commit Message

Dekel Peled May 15, 2019, 10:07 a.m.
Previous patch added handling of metadata for multi-segment packet.
Function txq_scatter_v in file mlx5_rxtx_vec_neon.h was updated
incorrectly, items were inserted into WQE in wrong order.

This patch fixes the issue, inserting items into WQE correctly.

Fixes: 7f4019d370f6 ("net/mlx5: fix Tx metadata for multi-segment packet")
Cc: stable@dpdk.org

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
---
 drivers/net/mlx5/mlx5_rxtx_vec_neon.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/net/mlx5/mlx5_rxtx_vec_neon.h b/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
index 38e915c..b1e0e8f 100644
--- a/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
+++ b/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
@@ -171,7 +171,7 @@ 
 		/* Fill ESEG in the header. */
 		vst1q_u32((void *)(t_wqe + 1),
 			  ((uint32x4_t){ 0,
-					 cs_flags << 16 | rte_cpu_to_be_16(len),
+					 rte_cpu_to_be_16(len) << 16 | cs_flags,
 					 metadata, 0 }));
 		txq->wqe_ci = wqe_ci;
 	}