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@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index c8fd4f8..f3ed9ce 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -1648,14 +1648,15 @@
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(RXF_IP_F)) {
__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);