* [PATCH nf] netfilter: flowtable: use skb_pull_rcsum() to pull IPIP tunnel header
@ 2026-10-20 22:29 Pablo Neira Ayuso
2026-10-21 7:46 ` Lorenzo Bianconi
0 siblings, 1 reply; 2+ messages in thread
From: Pablo Neira Ayuso @ 2026-10-20 22:29 UTC (permalink / raw)
To: netfilter-devel; +Cc: lorenzo
Use skb_pull_rcsum() to pop the IPIP and IP6IP6 tunnel header so this
works with CHECKSUM_COMPLETE.
Fixes: ab427db17885 ("netfilter: flowtable: Add IPIP rx sw acceleration")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_flow_table_ip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index bb894c4f2b4a..f9b6119c9db5 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -370,7 +370,7 @@ static void nf_flow_ip_tunnel_pop(struct nf_flowtable_ctx *ctx,
ctx->tun.inner_proto != IPPROTO_IPV6)
return;
- skb_pull(skb, ctx->tun.hdr_size);
+ skb_pull_rcsum(skb, ctx->tun.hdr_size);
skb_reset_network_header(skb);
}
--
2.47.3
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH nf] netfilter: flowtable: use skb_pull_rcsum() to pull IPIP tunnel header
2026-10-20 22:29 [PATCH nf] netfilter: flowtable: use skb_pull_rcsum() to pull IPIP tunnel header Pablo Neira Ayuso
@ 2026-10-21 7:46 ` Lorenzo Bianconi
0 siblings, 0 replies; 2+ messages in thread
From: Lorenzo Bianconi @ 2026-10-21 7:46 UTC (permalink / raw)
To: Pablo Neira Ayuso; +Cc: netfilter-devel
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> Use skb_pull_rcsum() to pop the IPIP and IP6IP6 tunnel header so this
> works with CHECKSUM_COMPLETE.
>
> Fixes: ab427db17885 ("netfilter: flowtable: Add IPIP rx sw acceleration")
> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
> ---
> net/netfilter/nf_flow_table_ip.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
> index bb894c4f2b4a..f9b6119c9db5 100644
> --- a/net/netfilter/nf_flow_table_ip.c
> +++ b/net/netfilter/nf_flow_table_ip.c
> @@ -370,7 +370,7 @@ static void nf_flow_ip_tunnel_pop(struct nf_flowtable_ctx *ctx,
> ctx->tun.inner_proto != IPPROTO_IPV6)
> return;
>
> - skb_pull(skb, ctx->tun.hdr_size);
> + skb_pull_rcsum(skb, ctx->tun.hdr_size);
> skb_reset_network_header(skb);
> }
>
> --
> 2.47.3
>
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2026-10-20 22:29 [PATCH nf] netfilter: flowtable: use skb_pull_rcsum() to pull IPIP tunnel header Pablo Neira Ayuso
2026-10-21 7:46 ` Lorenzo Bianconi
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