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netfilter: nfnetlink_queue: fix missing HW protocol

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Locally generated IPv4 and IPv6 traffic gets skb->protocol unset,
thus passing zero.

ip6tables -I OUTPUT -j NFQUEUE
libmnl/examples/netfilter# ./nf-queue 0 &
ping6 ::1
packet received (id=1 hw=0x0000 hook=3)
                         ^^^^^^

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2013-06-07 18:42:00 +02:00
parent 409b545ac1
commit 7b8dfe289f
1 changed files with 3 additions and 3 deletions
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6
net/netfilter/nfnetlink_queue_core.c
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@ -637,9 +637,6 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
if (queue->copy_mode == NFQNL_COPY_NONE)
return -EINVAL;
if ((queue->flags & NFQA_CFG_F_GSO) || !skb_is_gso(entry->skb))
return __nfqnl_enqueue_packet(net, queue, entry);
skb = entry->skb;
switch (entry->pf) {
@ -651,6 +648,9 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
break;
}
if ((queue->flags & NFQA_CFG_F_GSO) || !skb_is_gso(skb))
return __nfqnl_enqueue_packet(net, queue, entry);
nf_bridge_adjust_skb_data(skb);
segs = skb_gso_segment(skb, 0);
/* Does not use PTR_ERR to limit the number of error codes that can be