* [PATCHv2 net-next] cxgb4vf: don't offload Rx checksums for IPv6 fragments
@ 2016-09-13 8:09 Hariprasad Shenai
2016-09-15 23:38 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Hariprasad Shenai @ 2016-09-13 8:09 UTC (permalink / raw
To: netdev; +Cc: davem, leedom, nirranjan, Hariprasad Shenai
The checksum provided by the device doesn't include the L3 headers,
as IPv6 expects
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
---
V2: Fixed compilation issue reported by kbuild bot
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);
--
2.3.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCHv2 net-next] cxgb4vf: don't offload Rx checksums for IPv6 fragments
2016-09-13 8:09 [PATCHv2 net-next] cxgb4vf: don't offload Rx checksums for IPv6 fragments Hariprasad Shenai
@ 2016-09-15 23:38 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2016-09-15 23:38 UTC (permalink / raw
To: hariprasad; +Cc: netdev, leedom, nirranjan
From: Hariprasad Shenai <hariprasad@chelsio.com>
Date: Tue, 13 Sep 2016 13:39:24 +0530
> The checksum provided by the device doesn't include the L3 headers,
> as IPv6 expects
>
> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
> ---
> V2: Fixed compilation issue reported by kbuild bot
Applied.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2016-09-13 8:09 [PATCHv2 net-next] cxgb4vf: don't offload Rx checksums for IPv6 fragments Hariprasad Shenai
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