[dpdk-dev] [PATCH] net/bnxt: fix IP checksum error indication in non-vector mode rx

[Somnath Kotur]

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

Update "mbuf->ol_flags" correctly for 'Checksum Unknown' errors
for both tunneled and non-tunneled IP packets.

Fixes: b875339622a3 ("net/bnxt: fix L4 checksum indication in non-vector Rx")

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
---
 drivers/net/bnxt/bnxt_rxr.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index c35bc1afd..3b713c242 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -515,16 +515,18 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 	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 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;
 	} 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 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;
-	} else if (unlikely(RX_CMP_IP_CS_UNKNOWN(rxcmp1))) {
-		mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
 	}
 
 	/* L4 Checksum */
-- 
2.23.0.rc1