diff options
author | Harald Welte <laforge@netfilter.org> | 2005-08-10 02:39:00 (GMT) |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 22:35:01 (GMT) |
commit | 020b4c12dbe3868d792a01d7c1470cd837abe10f (patch) | |
tree | 4c5963a206f67eda6f8ff74ac33f7ed7e4acc164 /net/ipv6/netfilter.c | |
parent | 089af26c706d1473f641c909fee7c878d29c1f1a (diff) | |
download | linux-020b4c12dbe3868d792a01d7c1470cd837abe10f.tar.xz |
[NETFILTER]: Move ipv4 specific code from net/core/netfilter.c to net/ipv4/netfilter.c
Netfilter cleanup
- Move ipv4 code from net/core/netfilter.c to net/ipv4/netfilter.c
- Move ipv6 netfilter code from net/ipv6/ip6_output.c to net/ipv6/netfilter.c
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/netfilter.c')
-rw-r--r-- | net/ipv6/netfilter.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c new file mode 100644 index 0000000..5656d09 --- /dev/null +++ b/net/ipv6/netfilter.c @@ -0,0 +1,43 @@ +#include <linux/config.h> +#include <linux/init.h> + +#ifdef CONFIG_NETFILTER + +#include <linux/kernel.h> +#include <linux/ipv6.h> +#include <net/dst.h> +#include <net/ipv6.h> +#include <net/ip6_route.h> + +int ip6_route_me_harder(struct sk_buff *skb) +{ + struct ipv6hdr *iph = skb->nh.ipv6h; + struct dst_entry *dst; + struct flowi fl = { + .oif = skb->sk ? skb->sk->sk_bound_dev_if : 0, + .nl_u = + { .ip6_u = + { .daddr = iph->daddr, + .saddr = iph->saddr, } }, + .proto = iph->nexthdr, + }; + + dst = ip6_route_output(skb->sk, &fl); + + if (dst->error) { + IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES); + LIMIT_NETDEBUG( + printk(KERN_DEBUG "ip6_route_me_harder: No more route.\n")); + dst_release(dst); + return -EINVAL; + } + + /* Drop old route. */ + dst_release(skb->dst); + + skb->dst = dst; + return 0; +} +EXPORT_SYMBOL(ip6_route_me_harder); + +#endif /* CONFIG_NETFILTER */ |