LXR linux/include/linux/netfilter/nf_conntrack

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _NF_CONNTRACK_TFTP_H
   3#define _NF_CONNTRACK_TFTP_H
   4
   5#define TFTP_PORT 69
   6
   7struct tftphdr {
   8        __be16 opcode;
   9};
  10
  11#define TFTP_OPCODE_READ        1
  12#define TFTP_OPCODE_WRITE       2
  13#define TFTP_OPCODE_DATA        3
  14#define TFTP_OPCODE_ACK         4
  15#define TFTP_OPCODE_ERROR       5
  16
  17extern unsigned int (*nf_nat_tftp_hook)(struct sk_buff *skb,
  18                                        enum ip_conntrack_info ctinfo,
  19                                        struct nf_conntrack_expect *exp);
  20
  21#endif /* _NF_CONNTRACK_TFTP_H */
  22