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 */ 21