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From: Florian Westphal <fw@strlen.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next 0/4] netfilter: use skb_drop_reason in more places
Date: Sat, 12 Oct 2024 16:42:16 +0200	[thread overview]
Message-ID: <20241012144216.GA21920@breakpoint.cc> (raw)
In-Reply-To: <ZwqDI5JcQi5fMa46@calendula>

Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> One question regarding this series.
> 
> Most spots still rely on EPERM which is the default reason for
> NF_DROP.

core converts NF_DROP to EPERM if no errno value is set, correct.

> I wonder if it is worth updating all these spots to use NF_DROP_REASON
> with EPERM. I think patchset becomes smaller if it is only used to
> provide a better reason than EPERM.

I'm not following, sorry.  What do you mean?

This is not about errno.  NF_DROP_REASON() calls kfree_skb, so tooling
can show location other than nf_hook_slow().

Or do you mean using a different macro that always sets EPERM?

  reply	other threads:[~2024-10-12 14:42 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-02 15:55 [PATCH nf-next 0/4] netfilter: use skb_drop_reason in more places Florian Westphal
2024-10-02 15:55 ` [PATCH nf-next 1/4] netfilter: xt_nat: compact nf_nat_setup_info calls Florian Westphal
2024-10-02 15:55 ` [PATCH nf-next 2/4] netfilter: xt_nat: drop packet earlier Florian Westphal
2024-10-02 15:55 ` [PATCH nf-next 3/4] netfilter: nf_nat: use skb_drop_reason Florian Westphal
2024-10-02 15:55 ` [PATCH nf-next 4/4] netfilter: nf_tables: " Florian Westphal
2024-10-12 14:09 ` [PATCH nf-next 0/4] netfilter: use skb_drop_reason in more places Pablo Neira Ayuso
2024-10-12 14:42   ` Florian Westphal [this message]
2024-10-12 15:42     ` Pablo Neira Ayuso
2024-10-12 15:54       ` Florian Westphal
2024-10-12 16:45         ` Pablo Neira Ayuso
2024-10-12 20:38           ` Florian Westphal

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