]> git.proxmox.com Git - mirror_frr.git/blame - ldpd/ldp.h
doc: Add `show ipv6 rpf X:X::X:X` command to docs
[mirror_frr.git] / ldpd / ldp.h
CommitLineData
8429abe0
RW
1/* $OpenBSD$ */
2
3/*
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>
7 *
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.
11 *
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.
19 */
20
21/* LDP protocol definitions */
22
23#ifndef _LDP_H_
24#define _LDP_H_
25
8429abe0
RW
26/* misc */
27#define LDP_VERSION 1
28#define LDP_PORT 646
29#define LDP_MAX_LEN 4096
30
31/* All Routers on this Subnet group multicast addresses */
32#define AllRouters_v4 "224.0.0.2"
33#define AllRouters_v6 "ff02::2"
34
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
40
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
46
47#define DEFAULT_HELLO_INTERVAL 5
48#define MIN_HELLO_INTERVAL 1
49#define MAX_HELLO_INTERVAL 0xffff
50
51#define INIT_DELAY_TMR 15
52#define MAX_DELAY_TMR 120
53
e1894ff7
KS
54#define DFLT_WAIT_FOR_SYNC 10
55
8429abe0
RW
56#define MIN_PWID_ID 1
57#define MAX_PWID_ID 0xffffffff
58
59#define DEFAULT_L2VPN_MTU 1500
60#define MIN_L2VPN_MTU 512
61#define MAX_L2VPN_MTU 0xffff
62
63/* LDP message types */
64#define MSG_TYPE_NOTIFICATION 0x0001
65#define MSG_TYPE_HELLO 0x0100
66#define MSG_TYPE_INIT 0x0200
67#define MSG_TYPE_KEEPALIVE 0x0201
8819fc38 68#define MSG_TYPE_CAPABILITY 0x0202 /* RFC 5561 */
8429abe0
RW
69#define MSG_TYPE_ADDR 0x0300
70#define MSG_TYPE_ADDRWITHDRAW 0x0301
71#define MSG_TYPE_LABELMAPPING 0x0400
72#define MSG_TYPE_LABELREQUEST 0x0401
73#define MSG_TYPE_LABELWITHDRAW 0x0402
74#define MSG_TYPE_LABELRELEASE 0x0403
75#define MSG_TYPE_LABELABORTREQ 0x0404
76
77/* LDP TLV types */
78#define TLV_TYPE_FEC 0x0100
79#define TLV_TYPE_ADDRLIST 0x0101
80#define TLV_TYPE_HOPCOUNT 0x0103
81#define TLV_TYPE_PATHVECTOR 0x0104
82#define TLV_TYPE_GENERICLABEL 0x0200
83#define TLV_TYPE_ATMLABEL 0x0201
84#define TLV_TYPE_FRLABEL 0x0202
85#define TLV_TYPE_STATUS 0x0300
86#define TLV_TYPE_EXTSTATUS 0x0301
87#define TLV_TYPE_RETURNEDPDU 0x0302
88#define TLV_TYPE_RETURNEDMSG 0x0303
89#define TLV_TYPE_COMMONHELLO 0x0400
90#define TLV_TYPE_IPV4TRANSADDR 0x0401
91#define TLV_TYPE_CONFIG 0x0402
92#define TLV_TYPE_IPV6TRANSADDR 0x0403
93#define TLV_TYPE_COMMONSESSION 0x0500
94#define TLV_TYPE_ATMSESSIONPAR 0x0501
95#define TLV_TYPE_FRSESSION 0x0502
96#define TLV_TYPE_LABELREQUEST 0x0600
97/* RFC 4447 */
26519d8c 98#define TLV_TYPE_MAC_LIST 0x8404
357db527 99#define TLV_TYPE_PW_STATUS 0x896A
8429abe0
RW
100#define TLV_TYPE_PW_IF_PARAM 0x096B
101#define TLV_TYPE_PW_GROUP_ID 0x096C
8819fc38
RW
102/* RFC 5561 */
103#define TLV_TYPE_RETURNED_TLVS 0x8304
104#define TLV_TYPE_DYNAMIC_CAP 0x8506
d4afb819
RW
105/* RFC 5918 */
106#define TLV_TYPE_TWCARD_CAP 0x850B
257799cd
RW
107/* RFC 5919 */
108#define TLV_TYPE_UNOTIF_CAP 0x8603
8429abe0
RW
109/* RFC 7552 */
110#define TLV_TYPE_DUALSTACK 0x8701
111
112/* LDP header */
113struct ldp_hdr {
114 uint16_t version;
115 uint16_t length;
116 uint32_t lsr_id;
117 uint16_t lspace_id;
eac6e3f0 118} __attribute__ ((packed));
8429abe0
RW
119
120#define LDP_HDR_SIZE 10 /* actual size of the LDP header */
121#define LDP_HDR_PDU_LEN 6 /* minimum "PDU Length" */
122#define LDP_HDR_DEAD_LEN 4
123
124/* TLV record */
125struct tlv {
126 uint16_t type;
127 uint16_t length;
128};
129#define TLV_HDR_SIZE 4
130
131struct ldp_msg {
132 uint16_t type;
133 uint16_t length;
134 uint32_t id;
135 /* Mandatory Parameters */
136 /* Optional Parameters */
eac6e3f0 137} __attribute__ ((packed));
8429abe0
RW
138
139#define LDP_MSG_SIZE 8 /* minimum size of LDP message */
140#define LDP_MSG_LEN 4 /* minimum "Message Length" */
141#define LDP_MSG_DEAD_LEN 4
142
143#define UNKNOWN_FLAG 0x8000
144#define FORWARD_FLAG 0xc000
145
146struct hello_prms_tlv {
147 uint16_t type;
148 uint16_t length;
149 uint16_t holdtime;
150 uint16_t flags;
151};
152#define F_HELLO_TARGETED 0x8000
153#define F_HELLO_REQ_TARG 0x4000
154#define F_HELLO_GTSM 0x2000
155
156struct hello_prms_opt4_tlv {
157 uint16_t type;
158 uint16_t length;
159 uint32_t value;
160};
161
162struct hello_prms_opt16_tlv {
163 uint16_t type;
164 uint16_t length;
165 uint8_t value[16];
166};
167
168#define DUAL_STACK_LDPOV4 4
169#define DUAL_STACK_LDPOV6 6
170
171#define F_HELLO_TLV_RCVD_ADDR 0x01
172#define F_HELLO_TLV_RCVD_CONF 0x02
173#define F_HELLO_TLV_RCVD_DS 0x04
174
175#define S_SUCCESS 0x00000000
176#define S_BAD_LDP_ID 0x80000001
177#define S_BAD_PROTO_VER 0x80000002
178#define S_BAD_PDU_LEN 0x80000003
179#define S_UNKNOWN_MSG 0x00000004
180#define S_BAD_MSG_LEN 0x80000005
181#define S_UNKNOWN_TLV 0x00000006
182#define S_BAD_TLV_LEN 0x80000007
183#define S_BAD_TLV_VAL 0x80000008
184#define S_HOLDTIME_EXP 0x80000009
185#define S_SHUTDOWN 0x8000000A
186#define S_LOOP_DETECTED 0x0000000B
187#define S_UNKNOWN_FEC 0x0000000C
188#define S_NO_ROUTE 0x0000000D
189#define S_NO_LABEL_RES 0x0000000E
190#define S_AVAILABLE 0x0000000F
191#define S_NO_HELLO 0x80000010
192#define S_PARM_ADV_MODE 0x80000011
193#define S_MAX_PDU_LEN 0x80000012
194#define S_PARM_L_RANGE 0x80000013
195#define S_KEEPALIVE_TMR 0x80000014
196#define S_LAB_REQ_ABRT 0x00000015
197#define S_MISS_MSG 0x00000016
198#define S_UNSUP_ADDR 0x00000017
199#define S_KEEPALIVE_BAD 0x80000018
200#define S_INTERN_ERR 0x80000019
201/* RFC 4447 */
202#define S_ILLEGAL_CBIT 0x00000024
203#define S_WRONG_CBIT 0x00000025
204#define S_INCPT_BITRATE 0x00000026
205#define S_CEP_MISCONF 0x00000027
206#define S_PW_STATUS 0x00000028
207#define S_UNASSIGN_TAI 0x00000029
208#define S_MISCONF_ERR 0x0000002A
209#define S_WITHDRAW_MTHD 0x0000002B
8819fc38
RW
210/* RFC 5561 */
211#define S_UNSSUPORTDCAP 0x0000002E
257799cd
RW
212/* RFC 5919 */
213#define S_ENDOFLIB 0x0000002F
8429abe0
RW
214/* RFC 7552 */
215#define S_TRANS_MISMTCH 0x80000032
216#define S_DS_NONCMPLNCE 0x80000033
217
218struct sess_prms_tlv {
219 uint16_t type;
220 uint16_t length;
221 uint16_t proto_version;
222 uint16_t keepalive_time;
223 uint8_t reserved;
224 uint8_t pvlim;
225 uint16_t max_pdu_len;
226 uint32_t lsr_id;
227 uint16_t lspace_id;
eac6e3f0 228} __attribute__ ((packed));
8429abe0
RW
229
230#define SESS_PRMS_SIZE 18
231#define SESS_PRMS_LEN 14
232
233struct status_tlv {
234 uint16_t type;
235 uint16_t length;
236 uint32_t status_code;
237 uint32_t msg_id;
238 uint16_t msg_type;
eac6e3f0 239} __attribute__ ((packed));
8429abe0
RW
240
241#define STATUS_SIZE 14
242#define STATUS_TLV_LEN 10
243#define STATUS_FATAL 0x80000000
244
8819fc38
RW
245struct capability_tlv {
246 uint16_t type;
247 uint16_t length;
248 uint8_t reserved;
249};
250#define STATE_BIT 0x80
251
252#define F_CAP_TLV_RCVD_DYNAMIC 0x01
d4afb819 253#define F_CAP_TLV_RCVD_TWCARD 0x02
257799cd 254#define F_CAP_TLV_RCVD_UNOTIF 0x04
8819fc38
RW
255
256#define CAP_TLV_DYNAMIC_SIZE 5
257#define CAP_TLV_DYNAMIC_LEN 1
258
d4afb819
RW
259#define CAP_TLV_TWCARD_SIZE 5
260#define CAP_TLV_TWCARD_LEN 1
261
257799cd
RW
262#define CAP_TLV_UNOTIF_SIZE 5
263#define CAP_TLV_UNOTIF_LEN 1
264
8429abe0
RW
265#define AF_IPV4 0x1
266#define AF_IPV6 0x2
267
268struct address_list_tlv {
269 uint16_t type;
270 uint16_t length;
271 uint16_t family;
272 /* address entries */
eac6e3f0 273} __attribute__ ((packed));
8429abe0
RW
274
275#define ADDR_LIST_SIZE 6
276
277#define FEC_ELM_WCARD_LEN 1
278#define FEC_ELM_PREFIX_MIN_LEN 4
279#define FEC_PWID_ELM_MIN_LEN 8
05aac414 280#define FEC_PWID_SIZE 4
d4afb819 281#define FEC_ELM_TWCARD_MIN_LEN 3
8429abe0
RW
282
283#define MAP_TYPE_WILDCARD 0x01
284#define MAP_TYPE_PREFIX 0x02
d4afb819 285#define MAP_TYPE_TYPED_WCARD 0x05
8429abe0
RW
286#define MAP_TYPE_PWID 0x80
287#define MAP_TYPE_GENPWID 0x81
288
289#define CONTROL_WORD_FLAG 0x8000
8429abe0
RW
290#define DEFAULT_PW_TYPE PW_TYPE_ETHERNET
291
aba50a83
RW
292#define PW_TWCARD_RESERVED_BIT 0x8000
293
8429abe0
RW
294/* RFC 4447 Sub-TLV record */
295struct subtlv {
296 uint8_t type;
297 uint8_t length;
298};
299#define SUBTLV_HDR_SIZE 2
300
301#define SUBTLV_IFMTU 0x01
302#define SUBTLV_VLANID 0x06
303
304#define FEC_SUBTLV_IFMTU_SIZE 4
305#define FEC_SUBTLV_VLANID_SIZE 4
306
307struct label_tlv {
308 uint16_t type;
309 uint16_t length;
310 uint32_t label;
311};
312#define LABEL_TLV_SIZE 8
313#define LABEL_TLV_LEN 4
314
315struct reqid_tlv {
316 uint16_t type;
317 uint16_t length;
318 uint32_t reqid;
319};
320#define REQID_TLV_SIZE 8
321#define REQID_TLV_LEN 4
322
323struct pw_status_tlv {
324 uint16_t type;
325 uint16_t length;
326 uint32_t value;
327};
328#define PW_STATUS_TLV_SIZE 8
329#define PW_STATUS_TLV_LEN 4
330
8429abe0
RW
331#define NO_LABEL UINT32_MAX
332
333#endif /* !_LDP_H_ */