1#ifndef _NF_CONNTRACK_TFTP_H 2#define _NF_CONNTRACK_TFTP_H 3 4#define TFTP_PORT 69 5 6struct 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 16extern 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 */ 21