This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / net / netfilter / nf_nat_helper.h

diff --git a/include/net/netfilter/nf_nat_helper.h b/include/net/netfilter/nf_nat_helper.h
new file mode 100644 (file)
index 0000000..ec98ecf
--- /dev/null
+++ b/include/net/netfilter/nf_nat_helper.h
@@ -0,0 +1,32 @@
+#ifndef _NF_NAT_HELPER_H
+#define _NF_NAT_HELPER_H
+/* NAT protocol helper routines. */
+
+#include <net/netfilter/nf_conntrack.h>
+
+struct sk_buff;
+
+/* These return true or false. */
+extern int nf_nat_mangle_tcp_packet(struct sk_buff **skb,
+                                   struct nf_conn *ct,
+                                   enum ip_conntrack_info ctinfo,
+                                   unsigned int match_offset,
+                                   unsigned int match_len,
+                                   const char *rep_buffer,
+                                   unsigned int rep_len);
+extern int nf_nat_mangle_udp_packet(struct sk_buff **skb,
+                                   struct nf_conn *ct,
+                                   enum ip_conntrack_info ctinfo,
+                                   unsigned int match_offset,
+                                   unsigned int match_len,
+                                   const char *rep_buffer,
+                                   unsigned int rep_len);
+extern int nf_nat_seq_adjust(struct sk_buff **pskb,
+                            struct nf_conn *ct,
+                            enum ip_conntrack_info ctinfo);
+
+/* Setup NAT on this expected conntrack so it follows master, but goes
+ * to port ct->master->saved_proto. */
+extern void nf_nat_follow_master(struct nf_conn *ct,
+                                struct nf_conntrack_expect *this);
+#endif