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[NETFILTER]: Move reroute-after-queue code up to the nf_queue layer.

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The rerouting functionality is required by the core, therefore it has
to be implemented by the core and not in individual queue handlers.

Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Harald Welte
2005-08-09 19:42:34 -07:00
committed by David S. Miller
parent 4fdb3bb723
commit 2cc7d57309
8 changed files with 199 additions and 65 deletions
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24
net/ipv6/netfilter/ip6_queue.c
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@ -47,16 +47,10 @@
#define NET_IPQ_QMAX 2088
#define NET_IPQ_QMAX_NAME "ip6_queue_maxlen"
struct ipq_rt_info {
struct in6_addr daddr;
struct in6_addr saddr;
};
struct ipq_queue_entry {
struct list_head list;
struct nf_info *info;
struct sk_buff *skb;
struct ipq_rt_info rt_info;
};
typedef int (*ipq_cmpfn)(struct ipq_queue_entry *, unsigned long);
@ -302,13 +296,6 @@ ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info, void *data)
entry->info = info;
entry->skb = skb;
if (entry->info->hook == NF_IP_LOCAL_OUT) {
struct ipv6hdr *iph = skb->nh.ipv6h;
entry->rt_info.daddr = iph->daddr;
entry->rt_info.saddr = iph->saddr;
}
nskb = ipq_build_packet_message(entry, &status);
if (nskb == NULL)
goto err_out_free;
@ -389,17 +376,6 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
memcpy(e->skb->data, v->payload, v->data_len);
e->skb->ip_summed = CHECKSUM_NONE;
/*
* Extra routing may needed on local out, as the QUEUE target never
* returns control to the table.
* Not a nice way to cmp, but works
*/
if (e->info->hook == NF_IP_LOCAL_OUT) {
struct ipv6hdr *iph = e->skb->nh.ipv6h;
if (!ipv6_addr_equal(&iph->daddr, &e->rt_info.daddr) ||
!ipv6_addr_equal(&iph->saddr, &e->rt_info.saddr))
return ip6_route_me_harder(e->skb);
}
return 0;
}