Commit 5400e54a authored by Hariprasad Shenai's avatar Hariprasad Shenai Committed by David S. Miller

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: default avatarHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 86da71b5
...@@ -1648,14 +1648,15 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, ...@@ -1648,14 +1648,15 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
if (csum_ok && !pkt->err_vec && if (csum_ok && !pkt->err_vec &&
(be32_to_cpu(pkt->l2info) & (RXF_UDP_F | RXF_TCP_F))) { (be32_to_cpu(pkt->l2info) & (RXF_UDP_F | RXF_TCP_F))) {
if (!pkt->ip_frag) if (!pkt->ip_frag) {
skb->ip_summed = CHECKSUM_UNNECESSARY; skb->ip_summed = CHECKSUM_UNNECESSARY;
else { rxq->stats.rx_cso++;
} else if (pkt->l2info & htonl(RXF_IP_F)) {
__sum16 c = (__force __sum16)pkt->csum; __sum16 c = (__force __sum16)pkt->csum;
skb->csum = csum_unfold(c); skb->csum = csum_unfold(c);
skb->ip_summed = CHECKSUM_COMPLETE; skb->ip_summed = CHECKSUM_COMPLETE;
rxq->stats.rx_cso++;
} }
rxq->stats.rx_cso++;
} else } else
skb_checksum_none_assert(skb); skb_checksum_none_assert(skb);
......
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