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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>
This commit is contained in:
Hariprasad Shenai 2016-09-13 13:39:24 +05:30 committed by David S. Miller
parent 86da71b573
commit 5400e54add
1 changed files with 4 additions and 3 deletions
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7
drivers/net/ethernet/chelsio/cxgb4vf/sge.c
View File

@ -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(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);