From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hariprasad Shenai Subject: [PATCH net-next] cxgb4vf: don't offload Rx checksums for IPv6 fragments Date: Tue, 13 Sep 2016 12:44:59 +0530 Message-ID: <1473750899-12866-1-git-send-email-hariprasad@chelsio.com> Cc: davem@davemloft.net, leedom@chelsio.com, nirranjan@chelsio.com, Hariprasad Shenai To: netdev@vger.kernel.org Return-path: Received: from stargate.chelsio.com ([12.32.117.8]:34166 "EHLO stargate3.asicdesigners.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751198AbcIMHJ7 (ORCPT ); Tue, 13 Sep 2016 03:09:59 -0400 Sender: netdev-owner@vger.kernel.org List-ID: The checksum provided by the device doesn't include the L3 headers, as IPv6 expects Signed-off-by: Hariprasad Shenai --- 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