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netfilter: nft_reject_bridge: enable reject with bridge vlan 

Currently, using the bridge reject target with tagged packets
results in untagged packets being sent back.

Fix this by mirroring the vlan id as well.

Fixes: 85f5b3086a ("netfilter: bridge: add reject support")
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
alistair/sunxi64-5.7-dsi
Michael Braun 2020-05-06 11:46:25 +02:00 committed by Pablo Neira Ayuso
parent 98790bbac4
commit e9c284ec4b
1 changed files with 6 additions and 0 deletions
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6
net/bridge/netfilter/nft_reject_bridge.c
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@ -31,6 +31,12 @@ static void nft_reject_br_push_etherhdr(struct sk_buff *oldskb,
ether_addr_copy(eth->h_dest, eth_hdr(oldskb)->h_source);
eth->h_proto = eth_hdr(oldskb)->h_proto;
skb_pull(nskb, ETH_HLEN);
if (skb_vlan_tag_present(oldskb)) {
u16 vid = skb_vlan_tag_get(oldskb);
__vlan_hwaccel_put_tag(nskb, oldskb->vlan_proto, vid);
}
}
static int nft_bridge_iphdr_validate(struct sk_buff *skb)