From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com,
raeds@nvidia.com, rrameshbabu@nvidia.com, cratiu@nvidia.com,
daniel.zahka@gmail.com, willemb@google.com
Subject: Re: [PATCH net] psp: use sk->sk_hash in psp_write_headers()
Date: Thu, 19 Feb 2026 22:30:06 +0000 [thread overview]
Message-ID: <177154020630.115050.11761958680584535124.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260218141337.999945-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 18 Feb 2026 14:13:37 +0000 you wrote:
> udp_flow_src_port() is indirectly using sk->sk_txhash as a base,
> because __tcp_transmit_skb() uses skb_set_hash_from_sk().
>
> This is problematic because this field can change over the
> lifetime of a TCP flow, thanks to calls to sk_rethink_txhash().
>
> Problem is that some NIC might (ab)use the PSP UDP source port in their
> RSS computation, and PSP packets for a given flow could jump
> from one queue to another.
>
> [...]
Here is the summary with links:
- [net] psp: use sk->sk_hash in psp_write_headers()
https://git.kernel.org/netdev/net/c/f891007ab1c7
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-02-19 22:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-18 14:13 [PATCH net] psp: use sk->sk_hash in psp_write_headers() Eric Dumazet
2026-02-18 17:55 ` Daniel Zahka
2026-02-18 18:02 ` Eric Dumazet
2026-02-19 22:30 ` patchwork-bot+netdevbpf [this message]
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