Annotation of embedaddon/quagga/ospf6d/ospf6_intra.h, revision 1.1.1.2
1.1 misho 1: /*
2: * Copyright (C) 2003 Yasuhiro Ohara
3: *
4: * This file is part of GNU Zebra.
5: *
6: * GNU Zebra is free software; you can redistribute it and/or modify it
7: * under the terms of the GNU General Public License as published by the
8: * Free Software Foundation; either version 2, or (at your option) any
9: * later version.
10: *
11: * GNU Zebra is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with GNU Zebra; see the file COPYING. If not, write to the
18: * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19: * Boston, MA 02111-1307, USA.
20: */
21:
22: #ifndef OSPF6_INTRA_H
23: #define OSPF6_INTRA_H
24:
25: /* Debug option */
26: extern unsigned char conf_debug_ospf6_brouter;
27: extern u_int32_t conf_debug_ospf6_brouter_specific_router_id;
28: extern u_int32_t conf_debug_ospf6_brouter_specific_area_id;
29: #define OSPF6_DEBUG_BROUTER_SUMMARY 0x01
30: #define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER 0x02
31: #define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA 0x04
32: #define OSPF6_DEBUG_BROUTER_ON() \
33: (conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SUMMARY)
34: #define OSPF6_DEBUG_BROUTER_OFF() \
35: (conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SUMMARY)
36: #define IS_OSPF6_DEBUG_BROUTER \
37: (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SUMMARY)
38:
39: #define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ON(router_id) \
40: do { \
41: conf_debug_ospf6_brouter_specific_router_id = (router_id); \
42: conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \
43: } while (0)
44: #define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_OFF() \
45: do { \
46: conf_debug_ospf6_brouter_specific_router_id = 0; \
47: conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \
48: } while (0)
49: #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER \
50: (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER)
51: #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ID(router_id) \
52: (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER && \
53: conf_debug_ospf6_brouter_specific_router_id == (router_id))
54:
55: #define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ON(area_id) \
56: do { \
57: conf_debug_ospf6_brouter_specific_area_id = (area_id); \
58: conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \
59: } while (0)
60: #define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_OFF() \
61: do { \
62: conf_debug_ospf6_brouter_specific_area_id = 0; \
63: conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \
64: } while (0)
65: #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA \
66: (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_AREA)
67: #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ID(area_id) \
68: (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA && \
69: conf_debug_ospf6_brouter_specific_area_id == (area_id))
70:
71: /* Router-LSA */
72: #define OSPF6_ROUTER_LSA_MIN_SIZE 4U
73: struct ospf6_router_lsa
74: {
75: u_char bits;
76: u_char options[3];
77: /* followed by ospf6_router_lsdesc(s) */
78: };
79:
80: /* Link State Description in Router-LSA */
81: #define OSPF6_ROUTER_LSDESC_FIX_SIZE 16U
82: struct ospf6_router_lsdesc
83: {
84: u_char type;
85: u_char reserved;
86: u_int16_t metric; /* output cost */
87: u_int32_t interface_id;
88: u_int32_t neighbor_interface_id;
89: u_int32_t neighbor_router_id;
90: };
91:
92: #define OSPF6_ROUTER_LSDESC_POINTTOPOINT 1
93: #define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK 2
94: #define OSPF6_ROUTER_LSDESC_STUB_NETWORK 3
95: #define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK 4
96:
1.1.1.2 ! misho 97: enum stub_router_mode
! 98: {
! 99: OSPF6_NOT_STUB_ROUTER,
! 100: OSPF6_IS_STUB_ROUTER,
! 101: OSPF6_IS_STUB_ROUTER_V6,
! 102: };
! 103:
1.1 misho 104: #define ROUTER_LSDESC_IS_TYPE(t,x) \
105: ((((struct ospf6_router_lsdesc *)(x))->type == \
106: OSPF6_ROUTER_LSDESC_ ## t) ? 1 : 0)
107: #define ROUTER_LSDESC_GET_METRIC(x) \
108: (ntohs (((struct ospf6_router_lsdesc *)(x))->metric))
109: #define ROUTER_LSDESC_GET_IFID(x) \
110: (ntohl (((struct ospf6_router_lsdesc *)(x))->interface_id))
111: #define ROUTER_LSDESC_GET_NBR_IFID(x) \
112: (ntohl (((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id))
113: #define ROUTER_LSDESC_GET_NBR_ROUTERID(x) \
114: (((struct ospf6_router_lsdesc *)(x))->neighbor_router_id)
115:
116: /* Network-LSA */
117: #define OSPF6_NETWORK_LSA_MIN_SIZE 4U
118: struct ospf6_network_lsa
119: {
120: u_char reserved;
121: u_char options[3];
122: /* followed by ospf6_netowrk_lsd(s) */
123: };
124:
125: /* Link State Description in Router-LSA */
126: #define OSPF6_NETWORK_LSDESC_FIX_SIZE 4U
127: struct ospf6_network_lsdesc
128: {
129: u_int32_t router_id;
130: };
131: #define NETWORK_LSDESC_GET_NBR_ROUTERID(x) \
132: (((struct ospf6_network_lsdesc *)(x))->router_id)
133:
134: /* Link-LSA */
135: #define OSPF6_LINK_LSA_MIN_SIZE 24U /* w/o 1st IPv6 prefix */
136: struct ospf6_link_lsa
137: {
138: u_char priority;
139: u_char options[3];
140: struct in6_addr linklocal_addr;
141: u_int32_t prefix_num;
142: /* followed by ospf6 prefix(es) */
143: };
144:
145: /* Intra-Area-Prefix-LSA */
146: #define OSPF6_INTRA_PREFIX_LSA_MIN_SIZE 12U /* w/o 1st IPv6 prefix */
147: struct ospf6_intra_prefix_lsa
148: {
149: u_int16_t prefix_num;
150: u_int16_t ref_type;
151: u_int32_t ref_id;
152: u_int32_t ref_adv_router;
153: /* followed by ospf6 prefix(es) */
154: };
155:
1.1.1.2 ! misho 156:
1.1 misho 157: #define OSPF6_ROUTER_LSA_SCHEDULE(oa) \
158: do { \
1.1.1.2 ! misho 159: if (! (oa)->thread_router_lsa \
! 160: && CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \
1.1 misho 161: (oa)->thread_router_lsa = \
162: thread_add_event (master, ospf6_router_lsa_originate, oa, 0); \
163: } while (0)
164: #define OSPF6_NETWORK_LSA_SCHEDULE(oi) \
165: do { \
1.1.1.2 ! misho 166: if (! (oi)->thread_network_lsa \
! 167: && ! CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
1.1 misho 168: (oi)->thread_network_lsa = \
169: thread_add_event (master, ospf6_network_lsa_originate, oi, 0); \
170: } while (0)
171: #define OSPF6_LINK_LSA_SCHEDULE(oi) \
172: do { \
1.1.1.2 ! misho 173: if (! (oi)->thread_link_lsa \
! 174: && ! CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
1.1 misho 175: (oi)->thread_link_lsa = \
176: thread_add_event (master, ospf6_link_lsa_originate, oi, 0); \
177: } while (0)
178: #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa) \
179: do { \
1.1.1.2 ! misho 180: if (! (oa)->thread_intra_prefix_lsa \
! 181: && CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \
1.1 misho 182: (oa)->thread_intra_prefix_lsa = \
183: thread_add_event (master, ospf6_intra_prefix_lsa_originate_stub, \
184: oa, 0); \
185: } while (0)
186: #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi) \
187: do { \
1.1.1.2 ! misho 188: if (! (oi)->thread_intra_prefix_lsa \
! 189: && ! CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
1.1 misho 190: (oi)->thread_intra_prefix_lsa = \
191: thread_add_event (master, ospf6_intra_prefix_lsa_originate_transit, \
192: oi, 0); \
193: } while (0)
194:
195: #define OSPF6_NETWORK_LSA_EXECUTE(oi) \
196: do { \
197: THREAD_OFF ((oi)->thread_network_lsa); \
198: thread_execute (master, ospf6_network_lsa_originate, oi, 0); \
199: } while (0)
200: #define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi) \
201: do { \
202: THREAD_OFF ((oi)->thread_intra_prefix_lsa); \
203: thread_execute (master, ospf6_intra_prefix_lsa_originate_transit, oi, 0); \
204: } while (0)
205:
206:
207: /* Function Prototypes */
208: extern char *ospf6_router_lsdesc_lookup (u_char type, u_int32_t interface_id,
209: u_int32_t neighbor_interface_id,
210: u_int32_t neighbor_router_id,
211: struct ospf6_lsa *lsa);
212: extern char *ospf6_network_lsdesc_lookup (u_int32_t router_id,
213: struct ospf6_lsa *lsa);
214:
1.1.1.2 ! misho 215: extern int ospf6_router_is_stub_router (struct ospf6_lsa *lsa);
1.1 misho 216: extern int ospf6_router_lsa_originate (struct thread *);
217: extern int ospf6_network_lsa_originate (struct thread *);
218: extern int ospf6_link_lsa_originate (struct thread *);
219: extern int ospf6_intra_prefix_lsa_originate_transit (struct thread *);
220: extern int ospf6_intra_prefix_lsa_originate_stub (struct thread *);
221: extern void ospf6_intra_prefix_lsa_add (struct ospf6_lsa *lsa);
222: extern void ospf6_intra_prefix_lsa_remove (struct ospf6_lsa *lsa);
223:
224: extern void ospf6_intra_route_calculation (struct ospf6_area *oa);
225: extern void ospf6_intra_brouter_calculation (struct ospf6_area *oa);
226:
227: extern void ospf6_intra_init (void);
228:
229: extern int config_write_ospf6_debug_brouter (struct vty *vty);
230: extern void install_element_ospf6_debug_brouter (void);
231:
232: #endif /* OSPF6_LSA_H */
233:
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