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Message-Id: <1473750899-12866-1-git-send-email-hariprasad@chelsio.com>
Date: Tue, 13 Sep 2016 12:44:59 +0530
From: Hariprasad Shenai <hariprasad@...lsio.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, leedom@...lsio.com, nirranjan@...lsio.com,
Hariprasad Shenai <hariprasad@...lsio.com>
Subject: [PATCH net-next] cxgb4vf: don't offload Rx checksums for IPv6 fragments
The checksum provided by the device doesn't include the L3 headers,
as IPv6 expects
Signed-off-by: Hariprasad Shenai <hariprasad@...lsio.com>
---
drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index c8fd4f8fe1fa..4d4b94a8969a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -1648,14 +1648,15 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
if (csum_ok && !pkt->err_vec &&
(be32_to_cpu(pkt->l2info) & (RXF_UDP_F | RXF_TCP_F))) {
- if (!pkt->ip_frag)
+ if (!pkt->ip_frag) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
- else {
+ rxq->stats.rx_cso++;
+ } else if (pkt->l2info & htonl(F_RXF_IP)) {
__sum16 c = (__force __sum16)pkt->csum;
skb->csum = csum_unfold(c);
skb->ip_summed = CHECKSUM_COMPLETE;
+ rxq->stats.rx_cso++;
}
- rxq->stats.rx_cso++;
} else
skb_checksum_none_assert(skb);
--
2.3.4
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