netdev - Re: [PATCH bpf v5 1/2] bpf: Support dual-stack sockets in bpf_tcp_check

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Message-Id: <164926441347.11980.16956318462962965009.git-patchwork-notify@kernel.org>
Date:   Wed, 06 Apr 2022 17:00:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Maxim Mikityanskiy <maximmi@...dia.com>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        jakub@...udflare.com, afabre@...udflare.com, bpf@...r.kernel.org,
        netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, davem@...emloft.net,
        kuba@...nel.org, shuah@...nel.org, hawk@...nel.org,
        tariqt@...dia.com
Subject: Re: [PATCH bpf v5 1/2] bpf: Support dual-stack sockets in
 bpf_tcp_check_syncookie

Hello:

This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Wed, 6 Apr 2022 15:41:12 +0300 you wrote:
> bpf_tcp_gen_syncookie looks at the IP version in the IP header and
> validates the address family of the socket. It supports IPv4 packets in
> AF_INET6 dual-stack sockets.
> 
> On the other hand, bpf_tcp_check_syncookie looks only at the address
> family of the socket, ignoring the real IP version in headers, and
> validates only the packet size. This implementation has some drawbacks:
> 
> [...]

Here is the summary with links:
  - [bpf,v5,1/2] bpf: Support dual-stack sockets in bpf_tcp_check_syncookie
    https://git.kernel.org/bpf/bpf/c/2e8702cc0cfa
  - [bpf,v5,2/2] bpf: Adjust bpf_tcp_check_syncookie selftest to test dual-stack sockets
    https://git.kernel.org/bpf/bpf/c/53968dafc4a6

You are awesome, thank you!
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