netfilter: xt_conntrack: support matching on port ranges
[linux-2.6.git] / include / linux / netfilter / nf_conntrack_tftp.h
1 #ifndef _NF_CONNTRACK_TFTP_H
2 #define _NF_CONNTRACK_TFTP_H
3
4 #define TFTP_PORT 69
5
6 struct tftphdr {
7         __be16 opcode;
8 };
9
10 #define TFTP_OPCODE_READ        1
11 #define TFTP_OPCODE_WRITE       2
12 #define TFTP_OPCODE_DATA        3
13 #define TFTP_OPCODE_ACK         4
14 #define TFTP_OPCODE_ERROR       5
15
16 extern unsigned int (*nf_nat_tftp_hook)(struct sk_buff *skb,
17                                         enum ip_conntrack_info ctinfo,
18                                         struct nf_conntrack_expect *exp);
19
20 #endif /* _NF_CONNTRACK_TFTP_H */