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path: root/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
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Diffstat (limited to 'net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c')
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c54
1 files changed, 2 insertions, 52 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index c9b6a6e6a1e8..97cd7507c1a4 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -172,63 +172,13 @@ out:
return nf_conntrack_confirm(skb);
}
-static unsigned int __ipv6_conntrack_in(struct net *net,
- unsigned int hooknum,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
-{
- struct sk_buff *reasm = skb->nfct_reasm;
- const struct nf_conn_help *help;
- struct nf_conn *ct;
- enum ip_conntrack_info ctinfo;
-
- /* This packet is fragmented and has reassembled packet. */
- if (reasm) {
- /* Reassembled packet isn't parsed yet ? */
- if (!reasm->nfct) {
- unsigned int ret;
-
- ret = nf_conntrack_in(net, PF_INET6, hooknum, reasm);
- if (ret != NF_ACCEPT)
- return ret;
- }
-
- /* Conntrack helpers need the entire reassembled packet in the
- * POST_ROUTING hook. In case of unconfirmed connections NAT
- * might reassign a helper, so the entire packet is also
- * required.
- */
- ct = nf_ct_get(reasm, &ctinfo);
- if (ct != NULL && !nf_ct_is_untracked(ct)) {
- help = nfct_help(ct);
- if ((help && help->helper) || !nf_ct_is_confirmed(ct)) {
- nf_conntrack_get_reasm(reasm);
- NF_HOOK_THRESH(NFPROTO_IPV6, hooknum, reasm,
- (struct net_device *)in,
- (struct net_device *)out,
- okfn, NF_IP6_PRI_CONNTRACK + 1);
- return NF_DROP_ERR(-ECANCELED);
- }
- }
-
- nf_conntrack_get(reasm->nfct);
- skb->nfct = reasm->nfct;
- skb->nfctinfo = reasm->nfctinfo;
- return NF_ACCEPT;
- }
-
- return nf_conntrack_in(net, PF_INET6, hooknum, skb);
-}
-
static unsigned int ipv6_conntrack_in(unsigned int hooknum,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return __ipv6_conntrack_in(dev_net(in), hooknum, skb, in, out, okfn);
+ return nf_conntrack_in(dev_net(in), PF_INET6, hooknum, skb);
}
static unsigned int ipv6_conntrack_local(unsigned int hooknum,
@@ -242,7 +192,7 @@ static unsigned int ipv6_conntrack_local(unsigned int hooknum,
net_notice_ratelimited("ipv6_conntrack_local: packet too short\n");
return NF_ACCEPT;
}
- return __ipv6_conntrack_in(dev_net(out), hooknum, skb, in, out, okfn);
+ return nf_conntrack_in(dev_net(out), PF_INET6, hooknum, skb);
}
static struct nf_hook_ops ipv6_conntrack_ops[] __read_mostly = {