From 5400e54add3618759ef607a97d711e356eef6e2a Mon Sep 17 00:00:00 2001 From: Hariprasad Shenai <hariprasad@chelsio.com> Date: Tue, 13 Sep 2016 13:39:24 +0530 Subject: [PATCH] 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> --- 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..f3ed9ce99e5e 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(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); -- 2.30.2