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Diffstat (limited to '')
| -rw-r--r-- | ldpd/ldp.h | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/ldpd/ldp.h b/ldpd/ldp.h new file mode 100644 index 0000000..4bad3af --- /dev/null +++ b/ldpd/ldp.h @@ -0,0 +1,333 @@ +/* $OpenBSD$ */ + +/* + * 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> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* LDP protocol definitions */ + +#ifndef _LDP_H_ +#define _LDP_H_ + +/* 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_ */ |