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65efcfce LB |
1 | /* |
2 | * | |
3 | * Copyright 2009-2016, LabN Consulting, L.L.C. | |
4 | * | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifndef _QUAGGA_BGP_RFAPI_CFG_H | |
23 | #define _QUAGGA_BGP_RFAPI_CFG_H | |
24 | ||
f8b6f499 LB |
25 | #include "lib/table.h" |
26 | #include "lib/routemap.h" | |
65efcfce LB |
27 | |
28 | #if ENABLE_BGP_VNC | |
29 | #include "rfapi.h" | |
30 | ||
31 | struct rfapi_l2_group_cfg | |
32 | { | |
33 | char *name; | |
34 | uint32_t logical_net_id; | |
35 | struct list *labels; /* list of uint32_t */ | |
36 | struct ecommunity *rt_import_list; | |
37 | struct ecommunity *rt_export_list; | |
38 | void *rfp_cfg; /* rfp owned group config */ | |
c77272a1 DS |
39 | |
40 | QOBJ_FIELDS | |
65efcfce | 41 | }; |
c77272a1 | 42 | DECLARE_QOBJ_TYPE(rfapi_l2_group_cfg) |
65efcfce LB |
43 | |
44 | struct rfapi_nve_group_cfg | |
45 | { | |
46 | struct route_node *vn_node; /* backref */ | |
47 | struct route_node *un_node; /* backref */ | |
48 | ||
49 | char *name; | |
50 | struct prefix vn_prefix; | |
51 | struct prefix un_prefix; | |
52 | ||
53 | struct prefix_rd rd; | |
54 | uint8_t l2rd; /* 0 = VN addr LSB */ | |
55 | uint32_t response_lifetime; | |
56 | uint32_t flags; | |
57 | #define RFAPI_RFG_RESPONSE_LIFETIME 0x1 | |
58 | #define RFAPI_RFG_L2RD 0x02 | |
59 | struct ecommunity *rt_import_list; | |
60 | struct ecommunity *rt_export_list; | |
61 | struct rfapi_import_table *rfapi_import_table; | |
62 | ||
63 | void *rfp_cfg; /* rfp owned group config */ | |
64 | /* | |
65 | * List of NVE descriptors that are assigned to this NVE group | |
66 | * | |
67 | * Currently (Mar 2010) this list is used only by the route | |
68 | * export code to generate per-NVE nexthops for each route. | |
69 | * | |
70 | * The nve descriptors listed here have pointers back to | |
71 | * this nve group config structure to enable them to delete | |
72 | * their own list entries when they are closed. Consequently, | |
73 | * if an instance of this nve group config structure is deleted, | |
74 | * we must first set the nve descriptor references to it to NULL. | |
75 | */ | |
76 | struct list *nves; | |
77 | ||
78 | /* | |
79 | * Route filtering | |
80 | * | |
81 | * Prefix lists are segregated by afi (part of the base plist code) | |
82 | * Route-maps are not segregated | |
83 | */ | |
84 | char *plist_export_bgp_name[AFI_MAX]; | |
85 | struct prefix_list *plist_export_bgp[AFI_MAX]; | |
86 | ||
87 | char *plist_export_zebra_name[AFI_MAX]; | |
88 | struct prefix_list *plist_export_zebra[AFI_MAX]; | |
89 | ||
90 | char *plist_redist_name[ZEBRA_ROUTE_MAX][AFI_MAX]; | |
91 | struct prefix_list *plist_redist[ZEBRA_ROUTE_MAX][AFI_MAX]; | |
92 | ||
93 | char *routemap_export_bgp_name; | |
94 | struct route_map *routemap_export_bgp; | |
95 | ||
96 | char *routemap_export_zebra_name; | |
97 | struct route_map *routemap_export_zebra; | |
98 | ||
99 | char *routemap_redist_name[ZEBRA_ROUTE_MAX]; | |
100 | struct route_map *routemap_redist[ZEBRA_ROUTE_MAX]; | |
c77272a1 DS |
101 | |
102 | QOBJ_FIELDS | |
65efcfce | 103 | }; |
c77272a1 | 104 | DECLARE_QOBJ_TYPE(rfapi_nve_group_cfg) |
65efcfce LB |
105 | |
106 | struct rfapi_rfg_name | |
107 | { | |
108 | struct rfapi_nve_group_cfg *rfg; | |
109 | char *name; | |
110 | }; | |
111 | ||
112 | typedef enum | |
113 | { | |
114 | VNC_REDIST_MODE_PLAIN = 0, /* 0 = default */ | |
115 | VNC_REDIST_MODE_RFG, | |
116 | VNC_REDIST_MODE_RESOLVE_NVE | |
117 | } vnc_redist_mode_t; | |
118 | ||
119 | struct rfapi_cfg | |
120 | { | |
121 | struct prefix_rd default_rd; | |
122 | uint8_t default_l2rd; | |
123 | struct ecommunity *default_rt_import_list; | |
124 | struct ecommunity *default_rt_export_list; | |
125 | uint32_t default_response_lifetime; | |
126 | #define BGP_VNC_DEFAULT_RESPONSE_LIFETIME_DEFAULT 3600 | |
127 | void *default_rfp_cfg; /* rfp owned group config */ | |
128 | ||
129 | struct list *l2_groups; /* rfapi_l2_group_cfg list */ | |
130 | /* three views into the same collection of rfapi_nve_group_cfg */ | |
131 | struct list *nve_groups_sequential; | |
132 | struct route_table nve_groups_vn[AFI_MAX]; | |
133 | struct route_table nve_groups_un[AFI_MAX]; | |
134 | ||
135 | /* | |
136 | * For Single VRF export to ordinary routing protocols. This is | |
137 | * the nve-group that the ordinary protocols belong to. We use it | |
138 | * to set the RD when sending unicast Zebra routes to VNC | |
139 | */ | |
140 | uint8_t redist[AFI_MAX][ZEBRA_ROUTE_MAX]; | |
141 | uint32_t redist_lifetime; | |
142 | vnc_redist_mode_t redist_mode; | |
143 | ||
144 | /* | |
145 | * view name of BGP unicast instance that holds | |
146 | * exterior routes | |
147 | */ | |
148 | char *redist_bgp_exterior_view_name; | |
149 | struct bgp *redist_bgp_exterior_view; | |
150 | ||
151 | /* | |
152 | * nve group for redistribution of routes from zebra to VNC | |
153 | * (which is probably not useful for production networks) | |
154 | */ | |
155 | char *rfg_redist_name; | |
156 | struct rfapi_nve_group_cfg *rfg_redist; | |
157 | ||
158 | /* | |
159 | * List of NVE groups on whose behalf we will export VNC | |
160 | * routes to zebra. ((NB: it's actually a list of <struct rfapi_rfg_name>) | |
161 | * This list is used when BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_BITS is | |
162 | * BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_GRP | |
163 | */ | |
164 | struct list *rfg_export_zebra_l; | |
165 | ||
166 | /* | |
167 | * List of NVE groups on whose behalf we will export VNC | |
168 | * routes directly to the bgp unicast RIB. (NB: it's actually | |
169 | * a list of <struct rfapi_rfg_name>) | |
170 | * This list is used when BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS is | |
171 | * BGP_VNC_CONFIG_EXPORT_BGP_MODE_GRP | |
172 | */ | |
173 | struct list *rfg_export_direct_bgp_l; | |
174 | ||
175 | /* | |
176 | * Exported Route filtering | |
177 | * | |
178 | * Prefix lists are segregated by afi (part of the base plist code) | |
179 | * Route-maps are not segregated | |
180 | */ | |
181 | char *plist_export_bgp_name[AFI_MAX]; | |
182 | struct prefix_list *plist_export_bgp[AFI_MAX]; | |
183 | ||
184 | char *plist_export_zebra_name[AFI_MAX]; | |
185 | struct prefix_list *plist_export_zebra[AFI_MAX]; | |
186 | ||
187 | char *routemap_export_bgp_name; | |
188 | struct route_map *routemap_export_bgp; | |
189 | ||
190 | char *routemap_export_zebra_name; | |
191 | struct route_map *routemap_export_zebra; | |
192 | ||
193 | /* | |
194 | * Redistributed route filtering (routes from other | |
195 | * protocols into VNC) | |
196 | */ | |
197 | char *plist_redist_name[ZEBRA_ROUTE_MAX][AFI_MAX]; | |
198 | struct prefix_list *plist_redist[ZEBRA_ROUTE_MAX][AFI_MAX]; | |
199 | ||
200 | char *routemap_redist_name[ZEBRA_ROUTE_MAX]; | |
201 | struct route_map *routemap_redist[ZEBRA_ROUTE_MAX]; | |
202 | ||
203 | /* | |
204 | * For importing bgp unicast routes to VNC, we encode the CE | |
205 | * (route nexthop) in a Route Origin extended community. The | |
206 | * local part (16-bit) is user-configurable. | |
207 | */ | |
208 | uint16_t resolve_nve_roo_local_admin; | |
209 | #define BGP_VNC_CONFIG_RESOLVE_NVE_ROO_LOCAL_ADMIN_DEFAULT 5226 | |
210 | ||
211 | uint32_t flags; | |
212 | #define BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP 0x00000001 | |
213 | #define BGP_VNC_CONFIG_CALLBACK_DISABLE 0x00000002 | |
214 | #define BGP_VNC_CONFIG_RESPONSE_REMOVAL_DISABLE 0x00000004 | |
215 | ||
216 | #define BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS 0x000000f0 | |
217 | #define BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_BITS 0x00000f00 | |
218 | ||
219 | #define BGP_VNC_CONFIG_EXPORT_BGP_MODE_NONE 0x00000000 | |
220 | #define BGP_VNC_CONFIG_EXPORT_BGP_MODE_GRP 0x00000010 | |
221 | #define BGP_VNC_CONFIG_EXPORT_BGP_MODE_RH 0x00000020 /* registerd nve */ | |
222 | #define BGP_VNC_CONFIG_EXPORT_BGP_MODE_CE 0x00000040 | |
223 | ||
224 | #define BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_NONE 0x00000000 | |
225 | #define BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_GRP 0x00000100 | |
226 | #define BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_RH 0x00000200 | |
227 | ||
228 | #define BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP 0x00001000 | |
229 | #define BGP_VNC_CONFIG_L2RD 0x00002000 | |
230 | ||
231 | /* Use new NVE RIB to filter callback routes */ | |
232 | /* Filter querying NVE's registrations from responses */ | |
233 | /* Default to updated-responses off */ | |
234 | /* Default to removal-responses off */ | |
235 | #define BGP_VNC_CONFIG_FLAGS_DEFAULT \ | |
236 | (BGP_VNC_CONFIG_FILTER_SELF_FROM_RSP |\ | |
237 | BGP_VNC_CONFIG_CALLBACK_DISABLE |\ | |
238 | BGP_VNC_CONFIG_RESPONSE_REMOVAL_DISABLE) | |
239 | ||
240 | struct rfapi_rfp_cfg rfp_cfg; /* rfp related configuration */ | |
241 | }; | |
242 | ||
243 | #define VNC_EXPORT_ZEBRA_GRP_ENABLED(hc) \ | |
244 | (((hc)->flags & BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_BITS) == \ | |
245 | BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_GRP) | |
246 | ||
247 | #define VNC_EXPORT_ZEBRA_RH_ENABLED(hc) \ | |
248 | (((hc)->flags & BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_BITS) == \ | |
249 | BGP_VNC_CONFIG_EXPORT_ZEBRA_MODE_RH) | |
250 | ||
251 | #define VNC_EXPORT_BGP_GRP_ENABLED(hc) \ | |
252 | (((hc)->flags & BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS) == \ | |
253 | BGP_VNC_CONFIG_EXPORT_BGP_MODE_GRP) | |
254 | ||
255 | #define VNC_EXPORT_BGP_RH_ENABLED(hc) \ | |
256 | (((hc)->flags & BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS) == \ | |
257 | BGP_VNC_CONFIG_EXPORT_BGP_MODE_RH) | |
258 | ||
259 | #define VNC_EXPORT_BGP_CE_ENABLED(hc) \ | |
260 | (((hc)->flags & BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS) == \ | |
261 | BGP_VNC_CONFIG_EXPORT_BGP_MODE_CE) | |
262 | ||
263 | ||
264 | void | |
265 | bgp_rfapi_cfg_init (void); | |
266 | ||
267 | struct rfapi_cfg * | |
268 | bgp_rfapi_cfg_new (struct rfapi_rfp_cfg *cfg); | |
269 | ||
270 | void | |
271 | bgp_rfapi_cfg_destroy (struct bgp *bgp, struct rfapi_cfg *h); | |
272 | ||
273 | int | |
274 | bgp_rfapi_cfg_write (struct vty *vty, struct bgp *bgp); | |
275 | ||
276 | extern int | |
277 | bgp_rfapi_is_vnc_configured (struct bgp *bgp); | |
278 | ||
279 | extern void | |
280 | nve_group_to_nve_list ( | |
281 | struct rfapi_nve_group_cfg *rfg, | |
282 | struct list **nves, | |
283 | uint8_t family); /* AF_INET, AF_INET6 */ | |
284 | ||
285 | struct rfapi_nve_group_cfg * | |
286 | bgp_rfapi_cfg_match_group ( | |
287 | struct rfapi_cfg *hc, | |
288 | struct prefix *vn, | |
289 | struct prefix *un); | |
290 | ||
291 | extern void | |
292 | vnc_prefix_list_update (struct bgp *bgp); | |
293 | ||
294 | extern void | |
295 | vnc_routemap_update (struct bgp *bgp, const char *unused); | |
296 | ||
297 | extern void | |
298 | bgp_rfapi_show_summary (struct bgp *bgp, struct vty *vty); | |
299 | ||
300 | extern struct rfapi_cfg * | |
301 | bgp_rfapi_get_config (struct bgp *bgp); | |
302 | ||
303 | extern struct ecommunity * | |
304 | bgp_rfapi_get_ecommunity_by_lni_label ( | |
305 | struct bgp *bgp, | |
306 | uint32_t is_import, | |
307 | uint32_t logical_net_id, | |
308 | uint32_t label); /* note, 20bit label! */ | |
309 | ||
310 | extern struct list * | |
311 | bgp_rfapi_get_labellist_by_lni_label ( | |
312 | struct bgp *bgp, | |
313 | uint32_t logical_net_id, | |
314 | uint32_t label); /* note, 20bit label! */ | |
315 | ||
316 | #endif /* ENABLE_BGP_VNC */ | |
317 | ||
318 | #endif /* _QUAGGA_BGP_RFAPI_CFG_H */ |