mlx5: fix Rx checksum offload in non L3/L4 packets

[dpdk.git] / drivers / net / mlx5 / mlx5_rxtx.c

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 4c53c7a..4919189 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -719,14 +719,24 @@ rxq_cq_to_ol_flags(const struct rxq *rxq, uint32_t flags)
 {
        uint32_t ol_flags = 0;
 
-       if (rxq->csum)
-               ol_flags |=
-                       TRANSPOSE(~flags,
-                                 IBV_EXP_CQ_RX_IP_CSUM_OK,
-                                 PKT_RX_IP_CKSUM_BAD) |
-                       TRANSPOSE(~flags,
-                                 IBV_EXP_CQ_RX_TCP_UDP_CSUM_OK,
-                                 PKT_RX_L4_CKSUM_BAD);
+       if (rxq->csum) {
+               /* Set IP checksum flag only for IPv4/IPv6 packets. */
+               if (flags &
+                   (IBV_EXP_CQ_RX_IPV4_PACKET | IBV_EXP_CQ_RX_IPV6_PACKET))
+                       ol_flags |=
+                               TRANSPOSE(~flags,
+                                       IBV_EXP_CQ_RX_IP_CSUM_OK,
+                                       PKT_RX_IP_CKSUM_BAD);
+#ifdef HAVE_EXP_CQ_RX_TCP_PACKET
+               /* Set L4 checksum flag only for TCP/UDP packets. */
+               if (flags &
+                   (IBV_EXP_CQ_RX_TCP_PACKET | IBV_EXP_CQ_RX_UDP_PACKET))
+#endif /* HAVE_EXP_CQ_RX_TCP_PACKET */
+                       ol_flags |=
+                               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