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 */ 49