[dpdk-dev] [PATCH v2 1/5] net/bnxt: fix L4 checksum error indication in non-vector mode rx

[Kalesh A P <kalesh-anakkur.purayil@broadcom.com>]

From: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>

Update "mbuf->ol_flags" correctly for inner and ourter ip checksum
errors in case of tunnel and non-tunnel packets.

Fixes: 65ee636872eb ("net/bnxt: fix Rx checksum flags")
Cc: stable@dpdk.org

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
---
 drivers/net/bnxt/bnxt_rxr.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index ee1444c..c35bc1a 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -512,15 +512,19 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 
 	flags2_f = flags2_0xf(rxcmp1);
 	/* IP Checksum */
-	if (unlikely(((IS_IP_NONTUNNEL_PKT(flags2_f)) &&
-		      (RX_CMP_IP_CS_ERROR(rxcmp1))) ||
-		     (IS_IP_TUNNEL_PKT(flags2_f) &&
-		      (RX_CMP_IP_OUTER_CS_ERROR(rxcmp1))))) {
-		mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+	if (likely(IS_IP_NONTUNNEL_PKT(flags2_f))) {
+		if (unlikely(RX_CMP_IP_CS_ERROR(rxcmp1)))
+			mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+		else
+			mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+	} else if (IS_IP_TUNNEL_PKT(flags2_f)) {
+		if (unlikely(RX_CMP_IP_OUTER_CS_ERROR(rxcmp1) ||
+			     RX_CMP_IP_CS_ERROR(rxcmp1)))
+			mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+		else
+			mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
 	} else if (unlikely(RX_CMP_IP_CS_UNKNOWN(rxcmp1))) {
 		mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
-	} else {
-		mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
 	}
 
 	/* L4 Checksum */
-- 
2.10.1