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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
	Stephen Hemminger <sthemmin@microsoft.com>
Subject: [dpdk-dev] [PATCH 2/2] netvsc: report checksum failures
Date: Mon,  6 Aug 2018 11:22:44 -0700
Message-ID: <20180806182244.9842-3-stephen@networkplumber.org> (raw)
In-Reply-To: <20180806182244.9842-1-stephen@networkplumber.org>

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

Signed-off-by: Stephen Hemminger <sthemmin@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

  parent reply	other threads:[~2018-08-06 18:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-06 18:22 [dpdk-dev] [PATCH 0/2] netvsc: small patches Stephen Hemminger
2018-08-06 18:22 ` [dpdk-dev] [PATCH 1/2] netvsc: support packet type Stephen Hemminger
2018-08-06 18:22 ` Stephen Hemminger [this message]
2018-08-07 11:36 ` [dpdk-dev] [PATCH 0/2] netvsc: small patches Thomas Monjalon

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