From: patchwork-bot+netdevbpf@kernel.org
To: Joas Antonio dos Santos <joasantonio108@gmail.com>
Cc: paul@paul-moore.com, edumazet@kernel.org, wang.zhan@smartx.com,
davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org,
linux-security-module@vger.kernel.org, alice.kernel@fastmail.im
Subject: Re: [PATCH net v2] calipso: keep BIG TCP payload_len in calipso_skbuff_setattr()
Date: Thu, 15 Oct 2026 11:00:05 +0000 [thread overview]
Message-ID: <179206200502.3357824.14370454799792033360.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <179156155963.36253.400481753322266658@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Fri, 09 Oct 2026 12:59:19 -0300 you wrote:
> calipso_skbuff_setattr() adjusts payload_len by the length of the
> option it inserts or resizes:
>
> payload = ntohs(ip6_hdr->payload_len);
> ip6_hdr->payload_len = htons(payload + len_delta);
>
> GRO can build BIG TCP packets larger than IPV6_MAXPLEN, and stores
> payload_len == 0 for them; ipv6_payload_len() then falls back to
> skb->len. For such a packet forwarded to a destination mapped to
> CALIPSO, the code above writes len_delta (or 65536 + len_delta when
> shrinking) into payload_len, and ipv6_payload_len() no longer falls
> back to skb->len. nf_tables, conntrack and sch_cake rely on it.
>
> [...]
Here is the summary with links:
- [net,v2] calipso: keep BIG TCP payload_len in calipso_skbuff_setattr()
https://git.kernel.org/netdev/net/c/8070ed578b6b
You are awesome, thank you!
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prev parent reply other threads:[~2026-10-15 11:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 15:59 [PATCH net v2] calipso: keep BIG TCP payload_len in calipso_skbuff_setattr() Joas Antonio dos Santos
2026-10-10 9:05 ` Wang Zhan
2026-10-14 14:07 ` Paul Moore
2026-10-15 11:00 ` patchwork-bot+netdevbpf [this message]
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