netdev - Re: [PATCH v3 07/19] net: tcp: allow tcp_timewait_sock to validate skbs before handing to device

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Message-ID: <686aa314e5e6b_3ad0f32949f@willemb.c.googlers.com.notmuch>
Date: Sun, 06 Jul 2025 12:23:48 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Daniel Zahka <daniel.zahka@...il.com>, 
 Donald Hunter <donald.hunter@...il.com>, 
 Jakub Kicinski <kuba@...nel.org>, 
 "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, 
 Paolo Abeni <pabeni@...hat.com>, 
 Simon Horman <horms@...nel.org>, 
 Jonathan Corbet <corbet@....net>, 
 Andrew Lunn <andrew+netdev@...n.ch>
Cc: Saeed Mahameed <saeedm@...dia.com>, 
 Leon Romanovsky <leon@...nel.org>, 
 Tariq Toukan <tariqt@...dia.com>, 
 Boris Pismenny <borisp@...dia.com>, 
 Kuniyuki Iwashima <kuniyu@...gle.com>, 
 Willem de Bruijn <willemb@...gle.com>, 
 David Ahern <dsahern@...nel.org>, 
 Neal Cardwell <ncardwell@...gle.com>, 
 Patrisious Haddad <phaddad@...dia.com>, 
 Raed Salem <raeds@...dia.com>, 
 Jianbo Liu <jianbol@...dia.com>, 
 Dragos Tatulea <dtatulea@...dia.com>, 
 Rahul Rameshbabu <rrameshbabu@...dia.com>, 
 Stanislav Fomichev <sdf@...ichev.me>, 
 Toke Høiland-Jørgensen <toke@...hat.com>, 
 Alexander Lobakin <aleksander.lobakin@...el.com>, 
 Jacob Keller <jacob.e.keller@...el.com>, 
 netdev@...r.kernel.org
Subject: Re: [PATCH v3 07/19] net: tcp: allow tcp_timewait_sock to validate
 skbs before handing to device

Daniel Zahka wrote:
> Provide a callback to validate skb's originating from tcp timewait
> socks before passing to the device layer. Full socks have a
> sk_validate_xmit_skb member for checking that a device is capable of
> performing offloads required for transmitting an skb. With psp, tcp
> timewait socks will inherit the crypto state from their corresponding
> full socks. Any ACKs or RSTs that originate from a tcp timewait sock
> carrying psp state should be psp encapsulated.
> 
> Signed-off-by: Daniel Zahka <daniel.zahka@...il.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>