projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 020b4c12 HW |
1 | #include <linux/config.h> |
| 2 | #include <linux/init.h> | |
| 3 | ||
| 4 | #ifdef CONFIG_NETFILTER | |
| 5 | ||
| 6 | #include <linux/kernel.h> | |
| 7 | #include <linux/ipv6.h> | |
| 8 | #include <net/dst.h> | |
| 9 | #include <net/ipv6.h> | |
| 10 | #include <net/ip6_route.h> | |
| 11 | ||
| 12 | int ip6_route_me_harder(struct sk_buff *skb) | |
| 13 | { | |
| 14 | struct ipv6hdr *iph = skb->nh.ipv6h; | |
| 15 | struct dst_entry *dst; | |
| 16 | struct flowi fl = { | |
| 17 | .oif = skb->sk ? skb->sk->sk_bound_dev_if : 0, | |
| 18 | .nl_u = | |
| 19 | { .ip6_u = | |
| 20 | { .daddr = iph->daddr, | |
| 21 | .saddr = iph->saddr, } }, | |
| 22 | .proto = iph->nexthdr, | |
| 23 | }; | |
| 24 | ||
| 25 | dst = ip6_route_output(skb->sk, &fl); | |
| 26 | ||
| 27 | if (dst->error) { | |
| 28 | IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES); | |
| 29 | LIMIT_NETDEBUG( | |
| 30 | printk(KERN_DEBUG "ip6_route_me_harder: No more route.\n")); | |
| 31 | dst_release(dst); | |
| 32 | return -EINVAL; | |
| 33 | } | |
| 34 | ||
| 35 | /* Drop old route. */ | |
| 36 | dst_release(skb->dst); | |
| 37 | ||
| 38 | skb->dst = dst; | |
| 39 | return 0; | |
| 40 | } | |
| 41 | EXPORT_SYMBOL(ip6_route_me_harder); | |
| 42 | ||
| 43 | #endif /* CONFIG_NETFILTER */ |