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git.proxmox.com Git - mirror_frr.git/blob - ldpd/ldp.h
4 * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
5 * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
6 * Copyright (c) 2004, 2005, 2008 Esben Norby <norby@openbsd.org>
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 /* LDP protocol definitions */
29 #define LDP_MAX_LEN 4096
31 /* All Routers on this Subnet group multicast addresses */
32 #define AllRouters_v4 "224.0.0.2"
33 #define AllRouters_v6 "ff02::2"
35 #define LINK_DFLT_HOLDTIME 15
36 #define TARGETED_DFLT_HOLDTIME 45
37 #define MIN_HOLDTIME 3
38 #define MAX_HOLDTIME 0xffff
39 #define INFINITE_HOLDTIME 0xffff
41 #define DEFAULT_KEEPALIVE 180
42 #define MIN_KEEPALIVE 3
43 #define MAX_KEEPALIVE 0xffff
44 #define KEEPALIVE_PER_PERIOD 3
45 #define INIT_FSM_TIMEOUT 15
47 #define DEFAULT_HELLO_INTERVAL 5
48 #define MIN_HELLO_INTERVAL 1
49 #define MAX_HELLO_INTERVAL 0xffff
51 #define INIT_DELAY_TMR 15
52 #define MAX_DELAY_TMR 120
55 #define MAX_PWID_ID 0xffffffff
57 #define DEFAULT_L2VPN_MTU 1500
58 #define MIN_L2VPN_MTU 512
59 #define MAX_L2VPN_MTU 0xffff
61 /* LDP message types */
62 #define MSG_TYPE_NOTIFICATION 0x0001
63 #define MSG_TYPE_HELLO 0x0100
64 #define MSG_TYPE_INIT 0x0200
65 #define MSG_TYPE_KEEPALIVE 0x0201
66 #define MSG_TYPE_CAPABILITY 0x0202 /* RFC 5561 */
67 #define MSG_TYPE_ADDR 0x0300
68 #define MSG_TYPE_ADDRWITHDRAW 0x0301
69 #define MSG_TYPE_LABELMAPPING 0x0400
70 #define MSG_TYPE_LABELREQUEST 0x0401
71 #define MSG_TYPE_LABELWITHDRAW 0x0402
72 #define MSG_TYPE_LABELRELEASE 0x0403
73 #define MSG_TYPE_LABELABORTREQ 0x0404
76 #define TLV_TYPE_FEC 0x0100
77 #define TLV_TYPE_ADDRLIST 0x0101
78 #define TLV_TYPE_HOPCOUNT 0x0103
79 #define TLV_TYPE_PATHVECTOR 0x0104
80 #define TLV_TYPE_GENERICLABEL 0x0200
81 #define TLV_TYPE_ATMLABEL 0x0201
82 #define TLV_TYPE_FRLABEL 0x0202
83 #define TLV_TYPE_STATUS 0x0300
84 #define TLV_TYPE_EXTSTATUS 0x0301
85 #define TLV_TYPE_RETURNEDPDU 0x0302
86 #define TLV_TYPE_RETURNEDMSG 0x0303
87 #define TLV_TYPE_COMMONHELLO 0x0400
88 #define TLV_TYPE_IPV4TRANSADDR 0x0401
89 #define TLV_TYPE_CONFIG 0x0402
90 #define TLV_TYPE_IPV6TRANSADDR 0x0403
91 #define TLV_TYPE_COMMONSESSION 0x0500
92 #define TLV_TYPE_ATMSESSIONPAR 0x0501
93 #define TLV_TYPE_FRSESSION 0x0502
94 #define TLV_TYPE_LABELREQUEST 0x0600
96 #define TLV_TYPE_MAC_LIST 0x8404
97 #define TLV_TYPE_PW_STATUS 0x896A
98 #define TLV_TYPE_PW_IF_PARAM 0x096B
99 #define TLV_TYPE_PW_GROUP_ID 0x096C
101 #define TLV_TYPE_RETURNED_TLVS 0x8304
102 #define TLV_TYPE_DYNAMIC_CAP 0x8506
104 #define TLV_TYPE_TWCARD_CAP 0x850B
106 #define TLV_TYPE_UNOTIF_CAP 0x8603
108 #define TLV_TYPE_DUALSTACK 0x8701
116 } __attribute__ ((packed
));
118 #define LDP_HDR_SIZE 10 /* actual size of the LDP header */
119 #define LDP_HDR_PDU_LEN 6 /* minimum "PDU Length" */
120 #define LDP_HDR_DEAD_LEN 4
127 #define TLV_HDR_SIZE 4
133 /* Mandatory Parameters */
134 /* Optional Parameters */
135 } __attribute__ ((packed
));
137 #define LDP_MSG_SIZE 8 /* minimum size of LDP message */
138 #define LDP_MSG_LEN 4 /* minimum "Message Length" */
139 #define LDP_MSG_DEAD_LEN 4
141 #define UNKNOWN_FLAG 0x8000
142 #define FORWARD_FLAG 0xc000
144 struct hello_prms_tlv
{
150 #define F_HELLO_TARGETED 0x8000
151 #define F_HELLO_REQ_TARG 0x4000
152 #define F_HELLO_GTSM 0x2000
154 struct hello_prms_opt4_tlv
{
160 struct hello_prms_opt16_tlv
{
166 #define DUAL_STACK_LDPOV4 4
167 #define DUAL_STACK_LDPOV6 6
169 #define F_HELLO_TLV_RCVD_ADDR 0x01
170 #define F_HELLO_TLV_RCVD_CONF 0x02
171 #define F_HELLO_TLV_RCVD_DS 0x04
173 #define S_SUCCESS 0x00000000
174 #define S_BAD_LDP_ID 0x80000001
175 #define S_BAD_PROTO_VER 0x80000002
176 #define S_BAD_PDU_LEN 0x80000003
177 #define S_UNKNOWN_MSG 0x00000004
178 #define S_BAD_MSG_LEN 0x80000005
179 #define S_UNKNOWN_TLV 0x00000006
180 #define S_BAD_TLV_LEN 0x80000007
181 #define S_BAD_TLV_VAL 0x80000008
182 #define S_HOLDTIME_EXP 0x80000009
183 #define S_SHUTDOWN 0x8000000A
184 #define S_LOOP_DETECTED 0x0000000B
185 #define S_UNKNOWN_FEC 0x0000000C
186 #define S_NO_ROUTE 0x0000000D
187 #define S_NO_LABEL_RES 0x0000000E
188 #define S_AVAILABLE 0x0000000F
189 #define S_NO_HELLO 0x80000010
190 #define S_PARM_ADV_MODE 0x80000011
191 #define S_MAX_PDU_LEN 0x80000012
192 #define S_PARM_L_RANGE 0x80000013
193 #define S_KEEPALIVE_TMR 0x80000014
194 #define S_LAB_REQ_ABRT 0x00000015
195 #define S_MISS_MSG 0x00000016
196 #define S_UNSUP_ADDR 0x00000017
197 #define S_KEEPALIVE_BAD 0x80000018
198 #define S_INTERN_ERR 0x80000019
200 #define S_ILLEGAL_CBIT 0x00000024
201 #define S_WRONG_CBIT 0x00000025
202 #define S_INCPT_BITRATE 0x00000026
203 #define S_CEP_MISCONF 0x00000027
204 #define S_PW_STATUS 0x00000028
205 #define S_UNASSIGN_TAI 0x00000029
206 #define S_MISCONF_ERR 0x0000002A
207 #define S_WITHDRAW_MTHD 0x0000002B
209 #define S_UNSSUPORTDCAP 0x0000002E
211 #define S_ENDOFLIB 0x0000002F
213 #define S_TRANS_MISMTCH 0x80000032
214 #define S_DS_NONCMPLNCE 0x80000033
216 struct sess_prms_tlv
{
219 uint16_t proto_version
;
220 uint16_t keepalive_time
;
223 uint16_t max_pdu_len
;
226 } __attribute__ ((packed
));
228 #define SESS_PRMS_SIZE 18
229 #define SESS_PRMS_LEN 14
234 uint32_t status_code
;
237 } __attribute__ ((packed
));
239 #define STATUS_SIZE 14
240 #define STATUS_TLV_LEN 10
241 #define STATUS_FATAL 0x80000000
243 struct capability_tlv
{
248 #define STATE_BIT 0x80
250 #define F_CAP_TLV_RCVD_DYNAMIC 0x01
251 #define F_CAP_TLV_RCVD_TWCARD 0x02
252 #define F_CAP_TLV_RCVD_UNOTIF 0x04
254 #define CAP_TLV_DYNAMIC_SIZE 5
255 #define CAP_TLV_DYNAMIC_LEN 1
257 #define CAP_TLV_TWCARD_SIZE 5
258 #define CAP_TLV_TWCARD_LEN 1
260 #define CAP_TLV_UNOTIF_SIZE 5
261 #define CAP_TLV_UNOTIF_LEN 1
266 struct address_list_tlv
{
270 /* address entries */
271 } __attribute__ ((packed
));
273 #define ADDR_LIST_SIZE 6
275 #define FEC_ELM_WCARD_LEN 1
276 #define FEC_ELM_PREFIX_MIN_LEN 4
277 #define FEC_PWID_ELM_MIN_LEN 8
278 #define FEC_PWID_SIZE 4
279 #define FEC_ELM_TWCARD_MIN_LEN 3
281 #define MAP_TYPE_WILDCARD 0x01
282 #define MAP_TYPE_PREFIX 0x02
283 #define MAP_TYPE_TYPED_WCARD 0x05
284 #define MAP_TYPE_PWID 0x80
285 #define MAP_TYPE_GENPWID 0x81
287 #define CONTROL_WORD_FLAG 0x8000
288 #define DEFAULT_PW_TYPE PW_TYPE_ETHERNET
290 #define PW_TWCARD_RESERVED_BIT 0x8000
292 /* RFC 4447 Sub-TLV record */
297 #define SUBTLV_HDR_SIZE 2
299 #define SUBTLV_IFMTU 0x01
300 #define SUBTLV_VLANID 0x06
302 #define FEC_SUBTLV_IFMTU_SIZE 4
303 #define FEC_SUBTLV_VLANID_SIZE 4
310 #define LABEL_TLV_SIZE 8
311 #define LABEL_TLV_LEN 4
318 #define REQID_TLV_SIZE 8
319 #define REQID_TLV_LEN 4
321 struct pw_status_tlv
{
326 #define PW_STATUS_TLV_SIZE 8
327 #define PW_STATUS_TLV_LEN 4
329 #define NO_LABEL UINT32_MAX
331 #endif /* !_LDP_H_ */