include/uapi/linux/kcm.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Kernel Connection Multiplexor
   4  *
   5  * Copyright (c) 2016 Tom Herbert <tom@herbertland.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2
   9  * as published by the Free Software Foundation.
  10  *
  11  * User API to clone KCM sockets and attach transport socket to a KCM
  12  * multiplexor.
  13  */
  14
  15 #ifndef KCM_KERNEL_H
  16 #define KCM_KERNEL_H
  17
  18 struct kcm_attach {
  19         int fd;
  20         int bpf_fd;
  21 };
  22
  23 struct kcm_unattach {
  24         int fd;
  25 };
  26
  27 struct kcm_clone {
  28         int fd;
  29 };
  30
  31 #define SIOCKCMATTACH   (SIOCPROTOPRIVATE + 0)
  32 #define SIOCKCMUNATTACH (SIOCPROTOPRIVATE + 1)
  33 #define SIOCKCMCLONE    (SIOCPROTOPRIVATE + 2)
  34
  35 #define KCMPROTO_CONNECTED      0
  36
  37 /* Socket options */
  38 #define KCM_RECV_DISABLE        1
  39
  40 #endif
  41