[Bridge] [PATCH] bridge: fix forwarding of IPv6
Noah Meyerhans
frodo at morgul.net
Fri May 13 14:00:15 PDT 2011
On Fri, May 13, 2011 at 12:53:14PM -0700, Stephen Hemminger wrote:
> The commit 6b1e960fdbd75dcd9bcc3ba5ff8898ff1ad30b6e
> bridge: Reset IPCB when entering IP stack on NF_FORWARD
> broke forwarding of IPV6 packets in bridge because it would
> call bp_parse_ip_options with an IPV6 packet.
>
> Reported-by: Noah Meyerhans <noahm at debian.org>
> Signed-off-by: Stephen Hemminger <shemminger at vyatta.com>
>
> ---
> Patch against net-next-2.6 but must be applied to net-2.6
> and stable as well
>
> --- a/net/bridge/br_netfilter.c 2011-05-13 12:37:30.289646958 -0700
> +++ b/net/bridge/br_netfilter.c 2011-05-13 12:38:07.820333938 -0700
> @@ -737,7 +737,7 @@ static unsigned int br_nf_forward_ip(uns
> nf_bridge->mask |= BRNF_PKT_TYPE;
> }
>
> - if (br_parse_ip_options(skb))
> + if (pf == PF_INET && br_parse_ip_options(skb))
> return NF_DROP;
>
> /* The physdev module checks on this */
>
I can confirm that this patch fixes the behavior I've been seeing in the
stable-2.6.38.y tree. Thank you, Stephen!
noah
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