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[NETFILTER]: ip6table_mangle: reroute when nfmark changes in NF_IP6_LOCAL_OUT 

Now that IPv6 supports policy routing we need to reroute in NF_IP6_LOCAL_OUT
when the mark value changes.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-09-20 11:59:42 -07:00 committed by David S. Miller
parent 57dab5d0bf
commit 9123de2c04
3 changed files with 3 additions and 8 deletions
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1
include/linux/netfilter_ipv6.h
View File

@ -73,6 +73,7 @@ enum nf_ip6_hook_priorities {
};
#ifdef CONFIG_NETFILTER
extern int ip6_route_me_harder(struct sk_buff *skb);
extern unsigned int nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol);

2
include/net/ip6_route.h
View File

@ -57,8 +57,6 @@ extern void ip6_route_input(struct sk_buff *skb);
extern struct dst_entry * ip6_route_output(struct sock *sk,
struct flowi *fl);
extern int ip6_route_me_harder(struct sk_buff *skb);
extern void ip6_route_init(void);
extern void ip6_route_cleanup(void);

8
net/ipv6/netfilter/ip6table_mangle.c
View File

@ -180,12 +180,8 @@ ip6t_local_hook(unsigned int hook,
&& (memcmp(&(*pskb)->nh.ipv6h->saddr, &saddr, sizeof(saddr))
|| memcmp(&(*pskb)->nh.ipv6h->daddr, &daddr, sizeof(daddr))
|| (*pskb)->nfmark != nfmark
|| (*pskb)->nh.ipv6h->hop_limit != hop_limit)) {
/* something which could affect routing has changed */
DEBUGP("ip6table_mangle: we'd need to re-route a packet\n");
}
|| (*pskb)->nh.ipv6h->hop_limit != hop_limit))
return ip6_route_me_harder(*pskb) == 0 ? ret : NF_DROP;
return ret;
}