linux-kernel - Re: [PATCH net-next v5 1/5] net: gro: remove is_ipv6 from napi_gro

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <willemdebruijn.kernel.163f3efc42108@gmail.com>
Date: Mon, 15 Sep 2025 20:01:49 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Richard Gobert <richardbgobert@...il.com>, 
 netdev@...r.kernel.org, 
 pabeni@...hat.com, 
 ecree.xilinx@...il.com, 
 willemdebruijn.kernel@...il.com
Cc: davem@...emloft.net, 
 edumazet@...gle.com, 
 kuba@...nel.org, 
 horms@...nel.org, 
 corbet@....net, 
 saeedm@...dia.com, 
 tariqt@...dia.com, 
 mbloch@...dia.com, 
 leon@...nel.org, 
 dsahern@...nel.org, 
 ncardwell@...gle.com, 
 kuniyu@...gle.com, 
 shuah@...nel.org, 
 sdf@...ichev.me, 
 aleksander.lobakin@...el.com, 
 florian.fainelli@...adcom.com, 
 alexander.duyck@...il.com, 
 linux-kernel@...r.kernel.org, 
 linux-net-drivers@....com, 
 Richard Gobert <richardbgobert@...il.com>
Subject: Re: [PATCH net-next v5 1/5] net: gro: remove is_ipv6 from napi_gro_cb

Richard Gobert wrote:
> Remove is_ipv6 from napi_gro_cb and use sk->sk_family instead.
> This frees up space for another ip_fixedid bit that will be added
> in the next commit.
> 
> udp_sock_create always creates either a AP_INET or a AF_INET6 socket,

tiny typo: AP_INET -> AF_INET

> so using sk->sk_family is reliable. In IPv6-FOU, cfg->ipv6_v6only is
> always enabled.
> 
> Signed-off-by: Richard Gobert <richardbgobert@...il.com>

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