netfilter: bridge: Don't sabotage nf_hook calls for an l3mdev slave

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Followup to a173f066c7 ("netfilter: bridge: Don't sabotage nf_hook
calls from an l3mdev"). Some packets (e.g., ndisc) do not have the skb
device flipped to the l3mdev (e.g., VRF) device. Update ip_sabotage_in
to not drop packets for slave devices too. Currently, neighbor
solicitation packets for 'dev -> bridge (addr) -> vrf' setups are getting
dropped. This patch enables IPv6 communications for bridges with an
address that are enslaved to a VRF.

Fixes: 73e20b761a ("net: vrf: Add support for PREROUTING rules on vrf device")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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David Ahern 2019-02-25 16:21:14 -08:00 • committed by Pablo Neira Ayuso

parent f52a40fb41

commit cd6428988b

1 changed files with 2 additions and 1 deletions

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net/bridge/br_netfilter_hooks.c

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