include/uapi/linux/ipsec.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _LINUX_IPSEC_H
   3 #define _LINUX_IPSEC_H
   4
   5 /* The definitions, required to talk to KAME racoon IKE. */
   6
   7 #include <linux/pfkeyv2.h>
   8
   9 #define IPSEC_PORT_ANY          0
  10 #define IPSEC_ULPROTO_ANY       255
  11 #define IPSEC_PROTO_ANY         255
  12
  13 enum {
  14         IPSEC_MODE_ANY          = 0,    /* We do not support this for SA */
  15         IPSEC_MODE_TRANSPORT    = 1,
  16         IPSEC_MODE_TUNNEL       = 2,
  17         IPSEC_MODE_BEET         = 3
  18 };
  19
  20 enum {
  21         IPSEC_DIR_ANY           = 0,
  22         IPSEC_DIR_INBOUND       = 1,
  23         IPSEC_DIR_OUTBOUND      = 2,
  24         IPSEC_DIR_FWD           = 3,    /* It is our own */
  25         IPSEC_DIR_MAX           = 4,
  26         IPSEC_DIR_INVALID       = 5
  27 };
  28
  29 enum {
  30         IPSEC_POLICY_DISCARD    = 0,
  31         IPSEC_POLICY_NONE       = 1,
  32         IPSEC_POLICY_IPSEC      = 2,
  33         IPSEC_POLICY_ENTRUST    = 3,
  34         IPSEC_POLICY_BYPASS     = 4
  35 };
  36
  37 enum {
  38         IPSEC_LEVEL_DEFAULT     = 0,
  39         IPSEC_LEVEL_USE         = 1,
  40         IPSEC_LEVEL_REQUIRE     = 2,
  41         IPSEC_LEVEL_UNIQUE      = 3
  42 };
  43
  44 #define IPSEC_MANUAL_REQID_MAX  0x3fff
  45
  46 #define IPSEC_REPLAYWSIZE  32
  47
  48 #endif  /* _LINUX_IPSEC_H */