#include <net/ipv6.h>
#include <net/ip6_route.h>
#include <net/xfrm.h>
+#include <net/ip6_checksum.h>
int ip6_route_me_harder(struct sk_buff *skb)
{
struct dst_entry *dst;
struct flowi fl = {
.oif = skb->sk ? skb->sk->sk_bound_dev_if : 0,
+ .mark = skb->mark,
.nl_u =
{ .ip6_u =
{ .daddr = iph->daddr,
#endif
if (dst->error) {
- IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES);
+ IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
dst_release(dst);
return -EINVAL;
struct in6_addr saddr;
};
-static void save(const struct sk_buff *skb, struct nf_info *info)
+static void nf_ip6_saveroute(const struct sk_buff *skb, struct nf_info *info)
{
struct ip6_rt_info *rt_info = nf_info_reroute(info);
}
}
-static int reroute(struct sk_buff **pskb, const struct nf_info *info)
+static int nf_ip6_reroute(struct sk_buff **pskb, const struct nf_info *info)
{
struct ip6_rt_info *rt_info = nf_info_reroute(info);
return 0;
}
-static struct nf_queue_rerouter ip6_reroute = {
- .rer_size = sizeof(struct ip6_rt_info),
- .save = &save,
- .reroute = &reroute,
+__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
+ unsigned int dataoff, u_int8_t protocol)
+{
+ struct ipv6hdr *ip6h = skb->nh.ipv6h;
+ __sum16 csum = 0;
+
+ switch (skb->ip_summed) {
+ case CHECKSUM_COMPLETE:
+ if (hook != NF_IP6_PRE_ROUTING && hook != NF_IP6_LOCAL_IN)
+ break;
+ if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
+ skb->len - dataoff, protocol,
+ csum_sub(skb->csum,
+ skb_checksum(skb, 0,
+ dataoff, 0)))) {
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ break;
+ }
+ /* fall through */
+ case CHECKSUM_NONE:
+ skb->csum = ~csum_unfold(
+ csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
+ skb->len - dataoff,
+ protocol,
+ csum_sub(0,
+ skb_checksum(skb, 0,
+ dataoff, 0))));
+ csum = __skb_checksum_complete(skb);
+ }
+ return csum;
+}
+
+EXPORT_SYMBOL(nf_ip6_checksum);
+
+static struct nf_afinfo nf_ip6_afinfo = {
+ .family = AF_INET6,
+ .checksum = nf_ip6_checksum,
+ .saveroute = nf_ip6_saveroute,
+ .reroute = nf_ip6_reroute,
+ .route_key_size = sizeof(struct ip6_rt_info),
};
int __init ipv6_netfilter_init(void)
{
- return nf_register_queue_rerouter(PF_INET6, &ip6_reroute);
+ return nf_register_afinfo(&nf_ip6_afinfo);
}
/* This can be called from inet6_init() on errors, so it cannot
*/
void ipv6_netfilter_fini(void)
{
- nf_unregister_queue_rerouter(PF_INET6);
+ nf_unregister_afinfo(&nf_ip6_afinfo);
}