[dpdk-dev] [PATCH 2/2] netvsc: report checksum failures

[Stephen Hemminger]

The host will notify netvsc device about failed UDP and TCP
checksum. Propogate that information into the mbuf.

Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com>
---
 drivers/net/netvsc/hn_rxtx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
index 25c97ea43ad6..02ef27e363cc 100644
--- a/drivers/net/netvsc/hn_rxtx.c
+++ b/drivers/net/netvsc/hn_rxtx.c
@@ -513,6 +513,9 @@ static void hn_rxpkt(struct hn_rx_queue *rxq, struct hn_rx_bufinfo *rxb,
 		if (info->csum_info & (NDIS_RXCSUM_INFO_UDPCS_OK
 				       | NDIS_RXCSUM_INFO_TCPCS_OK))
 			m->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+		else if (info->csum_info & (NDIS_RXCSUM_INFO_TCPCS_FAILED
+					    | NDIS_RXCSUM_INFO_UDPCS_FAILED))
+			m->ol_flags |= PKT_RX_L4_CKSUM_BAD;
 	}
 
 	if (info->hash_info != HN_NDIS_HASH_INFO_INVALID) {
-- 
2.18.0