mirror of https://github.com/FRRouting/frr.git
329 lines
7.5 KiB
C
329 lines
7.5 KiB
C
// SPDX-License-Identifier: ISC
|
|
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
|
|
* Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
|
|
* Copyright (c) 2004, 2005, 2008 Esben Norby <norby@openbsd.org>
|
|
*/
|
|
|
|
/* LDP protocol definitions */
|
|
|
|
#ifndef _LDP_H_
|
|
#define _LDP_H_
|
|
|
|
/* this does not include "%s/", frr_runstatedir because the command-line
|
|
* override option specifies a *directory* rather than a full file name.
|
|
* Therefore the final part is needed on its own.
|
|
*/
|
|
#define LDPD_SOCK_NAME "ldpd.sock"
|
|
|
|
/* misc */
|
|
#define LDP_VERSION 1
|
|
#define LDP_PORT 646
|
|
#define LDP_MAX_LEN 4096
|
|
|
|
/* All Routers on this Subnet group multicast addresses */
|
|
#define AllRouters_v4 "224.0.0.2"
|
|
#define AllRouters_v6 "ff02::2"
|
|
|
|
#define LINK_DFLT_HOLDTIME 15
|
|
#define TARGETED_DFLT_HOLDTIME 45
|
|
#define MIN_HOLDTIME 3
|
|
#define MAX_HOLDTIME 0xffff
|
|
#define INFINITE_HOLDTIME 0xffff
|
|
|
|
#define DEFAULT_KEEPALIVE 180
|
|
#define MIN_KEEPALIVE 3
|
|
#define MAX_KEEPALIVE 0xffff
|
|
#define KEEPALIVE_PER_PERIOD 3
|
|
#define INIT_FSM_TIMEOUT 15
|
|
|
|
#define DEFAULT_HELLO_INTERVAL 5
|
|
#define MIN_HELLO_INTERVAL 1
|
|
#define MAX_HELLO_INTERVAL 0xffff
|
|
|
|
#define INIT_DELAY_TMR 15
|
|
#define MAX_DELAY_TMR 120
|
|
|
|
#define DFLT_WAIT_FOR_SYNC 10
|
|
|
|
#define MIN_PWID_ID 1
|
|
#define MAX_PWID_ID 0xffffffff
|
|
|
|
#define DEFAULT_L2VPN_MTU 1500
|
|
#define MIN_L2VPN_MTU 512
|
|
#define MAX_L2VPN_MTU 0xffff
|
|
|
|
/* LDP message types */
|
|
#define MSG_TYPE_NOTIFICATION 0x0001
|
|
#define MSG_TYPE_HELLO 0x0100
|
|
#define MSG_TYPE_INIT 0x0200
|
|
#define MSG_TYPE_KEEPALIVE 0x0201
|
|
#define MSG_TYPE_CAPABILITY 0x0202 /* RFC 5561 */
|
|
#define MSG_TYPE_ADDR 0x0300
|
|
#define MSG_TYPE_ADDRWITHDRAW 0x0301
|
|
#define MSG_TYPE_LABELMAPPING 0x0400
|
|
#define MSG_TYPE_LABELREQUEST 0x0401
|
|
#define MSG_TYPE_LABELWITHDRAW 0x0402
|
|
#define MSG_TYPE_LABELRELEASE 0x0403
|
|
#define MSG_TYPE_LABELABORTREQ 0x0404
|
|
|
|
/* LDP TLV types */
|
|
#define TLV_TYPE_FEC 0x0100
|
|
#define TLV_TYPE_ADDRLIST 0x0101
|
|
#define TLV_TYPE_HOPCOUNT 0x0103
|
|
#define TLV_TYPE_PATHVECTOR 0x0104
|
|
#define TLV_TYPE_GENERICLABEL 0x0200
|
|
#define TLV_TYPE_ATMLABEL 0x0201
|
|
#define TLV_TYPE_FRLABEL 0x0202
|
|
#define TLV_TYPE_STATUS 0x0300
|
|
#define TLV_TYPE_EXTSTATUS 0x0301
|
|
#define TLV_TYPE_RETURNEDPDU 0x0302
|
|
#define TLV_TYPE_RETURNEDMSG 0x0303
|
|
#define TLV_TYPE_COMMONHELLO 0x0400
|
|
#define TLV_TYPE_IPV4TRANSADDR 0x0401
|
|
#define TLV_TYPE_CONFIG 0x0402
|
|
#define TLV_TYPE_IPV6TRANSADDR 0x0403
|
|
#define TLV_TYPE_COMMONSESSION 0x0500
|
|
#define TLV_TYPE_ATMSESSIONPAR 0x0501
|
|
#define TLV_TYPE_FRSESSION 0x0502
|
|
#define TLV_TYPE_LABELREQUEST 0x0600
|
|
/* RFC 4447 */
|
|
#define TLV_TYPE_MAC_LIST 0x8404
|
|
#define TLV_TYPE_PW_STATUS 0x896A
|
|
#define TLV_TYPE_PW_IF_PARAM 0x096B
|
|
#define TLV_TYPE_PW_GROUP_ID 0x096C
|
|
/* RFC 5561 */
|
|
#define TLV_TYPE_RETURNED_TLVS 0x8304
|
|
#define TLV_TYPE_DYNAMIC_CAP 0x8506
|
|
/* RFC 5918 */
|
|
#define TLV_TYPE_TWCARD_CAP 0x850B
|
|
/* RFC 5919 */
|
|
#define TLV_TYPE_UNOTIF_CAP 0x8603
|
|
/* RFC 7552 */
|
|
#define TLV_TYPE_DUALSTACK 0x8701
|
|
|
|
/* LDP header */
|
|
struct ldp_hdr {
|
|
uint16_t version;
|
|
uint16_t length;
|
|
uint32_t lsr_id;
|
|
uint16_t lspace_id;
|
|
} __attribute__ ((packed));
|
|
|
|
#define LDP_HDR_SIZE 10 /* actual size of the LDP header */
|
|
#define LDP_HDR_PDU_LEN 6 /* minimum "PDU Length" */
|
|
#define LDP_HDR_DEAD_LEN 4
|
|
|
|
/* TLV record */
|
|
struct tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
};
|
|
#define TLV_HDR_SIZE 4
|
|
|
|
struct ldp_msg {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint32_t id;
|
|
/* Mandatory Parameters */
|
|
/* Optional Parameters */
|
|
} __attribute__ ((packed));
|
|
|
|
#define LDP_MSG_SIZE 8 /* minimum size of LDP message */
|
|
#define LDP_MSG_LEN 4 /* minimum "Message Length" */
|
|
#define LDP_MSG_DEAD_LEN 4
|
|
|
|
#define UNKNOWN_FLAG 0x8000
|
|
#define FORWARD_FLAG 0xc000
|
|
|
|
struct hello_prms_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint16_t holdtime;
|
|
uint16_t flags;
|
|
};
|
|
#define F_HELLO_TARGETED 0x8000
|
|
#define F_HELLO_REQ_TARG 0x4000
|
|
#define F_HELLO_GTSM 0x2000
|
|
|
|
struct hello_prms_opt4_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint32_t value;
|
|
};
|
|
|
|
struct hello_prms_opt16_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint8_t value[16];
|
|
};
|
|
|
|
#define DUAL_STACK_LDPOV4 4
|
|
#define DUAL_STACK_LDPOV6 6
|
|
|
|
#define F_HELLO_TLV_RCVD_ADDR 0x01
|
|
#define F_HELLO_TLV_RCVD_CONF 0x02
|
|
#define F_HELLO_TLV_RCVD_DS 0x04
|
|
|
|
#define S_SUCCESS 0x00000000
|
|
#define S_BAD_LDP_ID 0x80000001
|
|
#define S_BAD_PROTO_VER 0x80000002
|
|
#define S_BAD_PDU_LEN 0x80000003
|
|
#define S_UNKNOWN_MSG 0x00000004
|
|
#define S_BAD_MSG_LEN 0x80000005
|
|
#define S_UNKNOWN_TLV 0x00000006
|
|
#define S_BAD_TLV_LEN 0x80000007
|
|
#define S_BAD_TLV_VAL 0x80000008
|
|
#define S_HOLDTIME_EXP 0x80000009
|
|
#define S_SHUTDOWN 0x8000000A
|
|
#define S_LOOP_DETECTED 0x0000000B
|
|
#define S_UNKNOWN_FEC 0x0000000C
|
|
#define S_NO_ROUTE 0x0000000D
|
|
#define S_NO_LABEL_RES 0x0000000E
|
|
#define S_AVAILABLE 0x0000000F
|
|
#define S_NO_HELLO 0x80000010
|
|
#define S_PARM_ADV_MODE 0x80000011
|
|
#define S_MAX_PDU_LEN 0x80000012
|
|
#define S_PARM_L_RANGE 0x80000013
|
|
#define S_KEEPALIVE_TMR 0x80000014
|
|
#define S_LAB_REQ_ABRT 0x00000015
|
|
#define S_MISS_MSG 0x00000016
|
|
#define S_UNSUP_ADDR 0x00000017
|
|
#define S_KEEPALIVE_BAD 0x80000018
|
|
#define S_INTERN_ERR 0x80000019
|
|
/* RFC 4447 */
|
|
#define S_ILLEGAL_CBIT 0x00000024
|
|
#define S_WRONG_CBIT 0x00000025
|
|
#define S_INCPT_BITRATE 0x00000026
|
|
#define S_CEP_MISCONF 0x00000027
|
|
#define S_PW_STATUS 0x00000028
|
|
#define S_UNASSIGN_TAI 0x00000029
|
|
#define S_MISCONF_ERR 0x0000002A
|
|
#define S_WITHDRAW_MTHD 0x0000002B
|
|
/* RFC 5561 */
|
|
#define S_UNSSUPORTDCAP 0x0000002E
|
|
/* RFC 5919 */
|
|
#define S_ENDOFLIB 0x0000002F
|
|
/* RFC 7552 */
|
|
#define S_TRANS_MISMTCH 0x80000032
|
|
#define S_DS_NONCMPLNCE 0x80000033
|
|
|
|
struct sess_prms_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint16_t proto_version;
|
|
uint16_t keepalive_time;
|
|
uint8_t reserved;
|
|
uint8_t pvlim;
|
|
uint16_t max_pdu_len;
|
|
uint32_t lsr_id;
|
|
uint16_t lspace_id;
|
|
} __attribute__ ((packed));
|
|
|
|
#define SESS_PRMS_SIZE 18
|
|
#define SESS_PRMS_LEN 14
|
|
|
|
struct status_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint32_t status_code;
|
|
uint32_t msg_id;
|
|
uint16_t msg_type;
|
|
} __attribute__ ((packed));
|
|
|
|
#define STATUS_SIZE 14
|
|
#define STATUS_TLV_LEN 10
|
|
#define STATUS_FATAL 0x80000000
|
|
|
|
struct capability_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint8_t reserved;
|
|
};
|
|
#define STATE_BIT 0x80
|
|
|
|
#define F_CAP_TLV_RCVD_DYNAMIC 0x01
|
|
#define F_CAP_TLV_RCVD_TWCARD 0x02
|
|
#define F_CAP_TLV_RCVD_UNOTIF 0x04
|
|
|
|
#define CAP_TLV_DYNAMIC_SIZE 5
|
|
#define CAP_TLV_DYNAMIC_LEN 1
|
|
|
|
#define CAP_TLV_TWCARD_SIZE 5
|
|
#define CAP_TLV_TWCARD_LEN 1
|
|
|
|
#define CAP_TLV_UNOTIF_SIZE 5
|
|
#define CAP_TLV_UNOTIF_LEN 1
|
|
|
|
#define AF_IPV4 0x1
|
|
#define AF_IPV6 0x2
|
|
|
|
struct address_list_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint16_t family;
|
|
/* address entries */
|
|
} __attribute__ ((packed));
|
|
|
|
#define ADDR_LIST_SIZE 6
|
|
|
|
#define FEC_ELM_WCARD_LEN 1
|
|
#define FEC_ELM_PREFIX_MIN_LEN 4
|
|
#define FEC_PWID_ELM_MIN_LEN 8
|
|
#define FEC_PWID_SIZE 4
|
|
#define FEC_ELM_TWCARD_MIN_LEN 3
|
|
|
|
#define MAP_TYPE_WILDCARD 0x01
|
|
#define MAP_TYPE_PREFIX 0x02
|
|
#define MAP_TYPE_TYPED_WCARD 0x05
|
|
#define MAP_TYPE_PWID 0x80
|
|
#define MAP_TYPE_GENPWID 0x81
|
|
|
|
#define CONTROL_WORD_FLAG 0x8000
|
|
#define DEFAULT_PW_TYPE PW_TYPE_ETHERNET
|
|
|
|
#define PW_TWCARD_RESERVED_BIT 0x8000
|
|
|
|
/* RFC 4447 Sub-TLV record */
|
|
struct subtlv {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
};
|
|
#define SUBTLV_HDR_SIZE 2
|
|
|
|
#define SUBTLV_IFMTU 0x01
|
|
#define SUBTLV_VLANID 0x06
|
|
|
|
#define FEC_SUBTLV_IFMTU_SIZE 4
|
|
#define FEC_SUBTLV_VLANID_SIZE 4
|
|
|
|
struct label_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint32_t label;
|
|
};
|
|
#define LABEL_TLV_SIZE 8
|
|
#define LABEL_TLV_LEN 4
|
|
|
|
struct reqid_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint32_t reqid;
|
|
};
|
|
#define REQID_TLV_SIZE 8
|
|
#define REQID_TLV_LEN 4
|
|
|
|
struct pw_status_tlv {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
uint32_t value;
|
|
};
|
|
#define PW_STATUS_TLV_SIZE 8
|
|
#define PW_STATUS_TLV_LEN 4
|
|
|
|
#define NO_LABEL UINT32_MAX
|
|
|
|
#endif /* !_LDP_H_ */
|