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Diffstat (limited to 'include')
-rw-r--r--include/net/netfilter/nf_nat_helper.h32
1 files changed, 25 insertions, 7 deletions
diff --git a/include/net/netfilter/nf_nat_helper.h b/include/net/netfilter/nf_nat_helper.h
index 4222220920a..02bb6c29dc3 100644
--- a/include/net/netfilter/nf_nat_helper.h
+++ b/include/net/netfilter/nf_nat_helper.h
@@ -7,13 +7,27 @@
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_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, bool adjust);
+
+static inline 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)
+{
+ return __nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
+ match_offset, match_len,
+ rep_buffer, rep_len, true);
+}
+
extern int nf_nat_mangle_udp_packet(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
@@ -21,6 +35,10 @@ extern int nf_nat_mangle_udp_packet(struct sk_buff *skb,
unsigned int match_len,
const char *rep_buffer,
unsigned int rep_len);
+
+extern void nf_nat_set_seq_adjust(struct nf_conn *ct,
+ enum ip_conntrack_info ctinfo,
+ __be32 seq, s16 off);
extern int nf_nat_seq_adjust(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo);