net/netvsc: report checksum failures

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

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>

diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
index 25c97ea..02ef27e 100644 (file)
--- 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) {