Re: [PATCH 11/13 RFC net-next] net: cipso: guard IPv4 packet manipulation functions
From: Paul Moore
Date: Sun Jul 12 2026 - 12:22:24 EST
On Sat, Jul 11, 2026 at 9:41 PM Fernando Fernandez Mancera
<fmancera@xxxxxxx> wrote:
>
> To enable compiling the network stack without IPv4, the CIPSO functions
> that manipulate IPv4 options and generate ICMP errors must be bypassed.
>
> Ideally, CIPSO should not be compiled when IPv4 is disabled but
> currently it is too integrated within netlabel, so let's just bypassed
> the relevant functions.
>
> Signed-off-by: Fernando Fernandez Mancera <fmancera@xxxxxxx>
> ---
> net/ipv4/cipso_ipv4.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
I think I would prefer to make CONFIG_NETLABEL dependent on
CONFIG_IPV4 at this point in time. This will keep the code cleaner
and allow time to do the proper work of wrapping the CIPSO code with
CONFIG_CIPSO (or similar) and making that dependent on CONFIG_IPV4.
--
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