From: Stephen Hemminger <sthemmin@microsoft.com>
Date: Mon, 6 Aug 2018 18:22:44 +0000 (-0700)
Subject: net/netvsc: report checksum failures
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=a31f76d8fead3eda50108eb48f85c63816118c4a;p=dpdk.git

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 25c97ea43a..02ef27e363 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) {