include/linux/netfilter_ipv4/ip_conntrack_tftp.h

   1 #ifndef _IP_CT_TFTP
   2 #define _IP_CT_TFTP
   3
   4 #define TFTP_PORT 69
   5
   6 struct tftphdr {
   7         u_int16_t 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 (*ip_nat_tftp_hook)(struct sk_buff **pskb,
  17                                  enum ip_conntrack_info ctinfo,
  18                                  struct ip_conntrack_expect *exp);
  19
  20 #endif /* _IP_CT_TFTP */