From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Bernhard Thaler <bernhard.thaler@wvnet.at>
Cc: kadlec@blackhole.kfki.hu, netfilter-devel@vger.kernel.org
Subject: Re: [PATCHv4 nf-next] netfilter: bridge: fix IPv6 packets not being bridged with CONFIG_IPV6=n
Date: Wed, 19 Aug 2015 21:22:40 +0200 [thread overview]
Message-ID: <20150819192240.GA4625@salvia> (raw)
In-Reply-To: <1439449095-21947-1-git-send-email-bernhard.thaler@wvnet.at>
On Thu, Aug 13, 2015 at 08:58:15AM +0200, Bernhard Thaler wrote:
> 230ac490f7fba introduced a dependency to CONFIG_IPV6 which breaks bridging
> of IPv6 packets on a bridge with CONFIG_IPV6=n.
>
> Sysctl entry /proc/sys/net/bridge/bridge-nf-call-ip6tables defaults to 1,
> for this reason packets are handled by br_nf_pre_routing_ipv6(). When compiled
> with CONFIG_IPV6=n this function returns NF_DROP but should return NF_ACCEPT
> to let packets through.
>
> Change CONFIG_IPV6=n br_nf_pre_routing_ipv6() return value to NF_ACCEPT.
>
> Tested with a simple bridge with two interfaces and IPv6 packets trying
> to pass from host on left side to host on right side of the bridge.
>
> Fixes: 230ac490f7fba ("netfilter: bridge: split ipv6 code into separated file")
Applied this oneliner to the nf tree, thanks.
prev parent reply other threads:[~2015-08-19 19:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-13 6:58 [PATCHv4 nf-next] netfilter: bridge: fix IPv6 packets not being bridged with CONFIG_IPV6=n Bernhard Thaler
2015-08-19 19:22 ` Pablo Neira Ayuso [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150819192240.GA4625@salvia \
--to=pablo@netfilter.org \
--cc=bernhard.thaler@wvnet.at \
--cc=kadlec@blackhole.kfki.hu \
--cc=netfilter-devel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).