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authorPatrick McHardy <kaber@trash.net>2012-08-26 19:14:06 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2012-08-30 03:00:14 +0200
commitc7232c9979cba684c50b64c513c4a83c9aa70563 (patch)
treedbe0fdac62191d85935f5a3dfe815c1b1add60f9 /net/ipv4/netfilter.c
parent051966c0c644a1c96092d4206e00704ade813c9a (diff)
netfilter: add protocol independent NAT core
Convert the IPv4 NAT implementation to a protocol independent core and address family specific modules. Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv4/netfilter.c')
-rw-r--r--net/ipv4/netfilter.c37
1 files changed, 0 insertions, 37 deletions
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index ed1b3678319..f1643c0c358 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -72,43 +72,6 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned int addr_type)
}
EXPORT_SYMBOL(ip_route_me_harder);
-#ifdef CONFIG_XFRM
-int ip_xfrm_me_harder(struct sk_buff *skb)
-{
- struct flowi fl;
- unsigned int hh_len;
- struct dst_entry *dst;
-
- if (IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED)
- return 0;
- if (xfrm_decode_session(skb, &fl, AF_INET) < 0)
- return -1;
-
- dst = skb_dst(skb);
- if (dst->xfrm)
- dst = ((struct xfrm_dst *)dst)->route;
- dst_hold(dst);
-
- dst = xfrm_lookup(dev_net(dst->dev), dst, &fl, skb->sk, 0);
- if (IS_ERR(dst))
- return -1;
-
- skb_dst_drop(skb);
- skb_dst_set(skb, dst);
-
- /* Change in oif may mean change in hh_len. */
- hh_len = skb_dst(skb)->dev->hard_header_len;
- if (skb_headroom(skb) < hh_len &&
- pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC))
- return -1;
- return 0;
-}
-EXPORT_SYMBOL(ip_xfrm_me_harder);
-#endif
-
-void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);
-EXPORT_SYMBOL(ip_nat_decode_session);
-
/*
* Extra routing may needed on local out, as the QUEUE target never
* returns control to the table.