[dpdk-dev] [PATCH 3/3] net/mlx: fix support for new Rx checksum flags

[Nelio Laranjeiro]

Fixes: 5842289a546c ("mbuf: add new Rx checksum flags")

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
---
 drivers/net/mlx4/mlx4.c      | 21 ++++++++-------------
 drivers/net/mlx5/mlx5_rxtx.c | 25 ++++++++++---------------
 2 files changed, 18 insertions(+), 28 deletions(-)

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index faa9acd..da61a85 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -2995,25 +2995,20 @@ rxq_cq_to_ol_flags(const struct rxq *rxq, uint32_t flags)
 
 	if (rxq->csum)
 		ol_flags |=
-			TRANSPOSE(~flags,
+			TRANSPOSE(flags,
 				  IBV_EXP_CQ_RX_IP_CSUM_OK,
-				  PKT_RX_IP_CKSUM_BAD) |
-			TRANSPOSE(~flags,
+				  PKT_RX_IP_CKSUM_GOOD) |
+			TRANSPOSE(flags,
 				  IBV_EXP_CQ_RX_TCP_UDP_CSUM_OK,
-				  PKT_RX_L4_CKSUM_BAD);
-	/*
-	 * PKT_RX_IP_CKSUM_BAD and PKT_RX_L4_CKSUM_BAD are used in place
-	 * of PKT_RX_EIP_CKSUM_BAD because the latter is not functional
-	 * (its value is 0).
-	 */
+				  PKT_RX_L4_CKSUM_GOOD);
 	if ((flags & IBV_EXP_CQ_RX_TUNNEL_PACKET) && (rxq->csum_l2tun))
 		ol_flags |=
-			TRANSPOSE(~flags,
+			TRANSPOSE(flags,
 				  IBV_EXP_CQ_RX_OUTER_IP_CSUM_OK,
-				  PKT_RX_IP_CKSUM_BAD) |
-			TRANSPOSE(~flags,
+				  PKT_RX_IP_CKSUM_GOOD) |
+			TRANSPOSE(flags,
 				  IBV_EXP_CQ_RX_OUTER_TCP_UDP_CSUM_OK,
-				  PKT_RX_L4_CKSUM_BAD);
+				  PKT_RX_L4_CKSUM_GOOD);
 	return ol_flags;
 }
 
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index b6e0d65..beff580 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -1239,29 +1239,24 @@ rxq_cq_to_ol_flags(struct rxq *rxq, volatile struct mlx5_cqe *cqe)
 
 	if ((l3_hdr == MLX5_CQE_L3_HDR_TYPE_IPV4) ||
 	    (l3_hdr == MLX5_CQE_L3_HDR_TYPE_IPV6))
-		ol_flags |=
-			(!(cqe->hds_ip_ext & MLX5_CQE_L3_OK) *
-			 PKT_RX_IP_CKSUM_BAD);
+		ol_flags |= TRANSPOSE(cqe->hds_ip_ext,
+				      MLX5_CQE_L3_OK,
+				      PKT_RX_IP_CKSUM_GOOD);
 	if ((l4_hdr == MLX5_CQE_L4_HDR_TYPE_TCP) ||
 	    (l4_hdr == MLX5_CQE_L4_HDR_TYPE_TCP_EMP_ACK) ||
 	    (l4_hdr == MLX5_CQE_L4_HDR_TYPE_TCP_ACK) ||
 	    (l4_hdr == MLX5_CQE_L4_HDR_TYPE_UDP))
-		ol_flags |=
-			(!(cqe->hds_ip_ext & MLX5_CQE_L4_OK) *
-			 PKT_RX_L4_CKSUM_BAD);
-	/*
-	 * PKT_RX_IP_CKSUM_BAD and PKT_RX_L4_CKSUM_BAD are used in place
-	 * of PKT_RX_EIP_CKSUM_BAD because the latter is not functional
-	 * (its value is 0).
-	 */
+		ol_flags |= TRANSPOSE(cqe->hds_ip_ext,
+				      MLX5_CQE_L4_OK,
+				      PKT_RX_L4_CKSUM_GOOD);
 	if ((cqe->pkt_info & MLX5_CQE_RX_TUNNEL_PACKET) && (rxq->csum_l2tun))
 		ol_flags |=
-			TRANSPOSE(~cqe->l4_hdr_type_etc,
+			TRANSPOSE(cqe->l4_hdr_type_etc,
 				  MLX5_CQE_RX_OUTER_IP_CSUM_OK,
-				  PKT_RX_IP_CKSUM_BAD) |
-			TRANSPOSE(~cqe->l4_hdr_type_etc,
+				  PKT_RX_IP_CKSUM_GOOD) |
+			TRANSPOSE(cqe->l4_hdr_type_etc,
 				  MLX5_CQE_RX_OUTER_TCP_UDP_CSUM_OK,
-				  PKT_RX_L4_CKSUM_BAD);
+				  PKT_RX_L4_CKSUM_GOOD);
 	return ol_flags;
 }
 
-- 
2.1.4