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784d3a42 | 1 | /* VPN Related functions |
896014f4 DL |
2 | * Copyright (C) 2017 6WIND |
3 | * | |
4 | * This file is part of FRRouting | |
5 | * | |
6 | * FRRouting 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 | * FRRouting 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 along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
784d3a42 PG |
20 | |
21 | #include <zebra.h> | |
22 | #include "command.h" | |
23 | #include "prefix.h" | |
24 | #include "lib/json.h" | |
25 | ||
26 | #include "bgpd/bgpd.h" | |
27 | #include "bgpd/bgp_route.h" | |
28 | #include "bgpd/bgp_table.h" | |
29 | #include "bgpd/bgp_attr.h" | |
30 | #include "bgpd/bgp_mplsvpn.h" | |
31 | #include "bgpd/bgp_vpn.h" | |
32 | ||
d62a17ae | 33 | int show_adj_route_vpn(struct vty *vty, struct peer *peer, |
34 | struct prefix_rd *prd, afi_t afi, safi_t safi, | |
d7c0a89a | 35 | uint8_t use_json) |
784d3a42 | 36 | { |
d62a17ae | 37 | struct bgp *bgp; |
38 | struct bgp_table *table; | |
39 | struct bgp_node *rn; | |
40 | struct bgp_node *rm; | |
41 | struct attr *attr; | |
42 | int rd_header; | |
43 | int header = 1; | |
44 | json_object *json = NULL; | |
45 | json_object *json_scode = NULL; | |
46 | json_object *json_ocode = NULL; | |
47 | json_object *json_routes = NULL; | |
48 | json_object *json_array = NULL; | |
49 | ||
50 | bgp = bgp_get_default(); | |
51 | if (bgp == NULL) { | |
52 | if (!use_json) | |
53 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
54 | else |
55 | vty_out(vty, "{}\n"); | |
d62a17ae | 56 | return CMD_WARNING; |
57 | } | |
58 | ||
59 | if (use_json) { | |
60 | json_scode = json_object_new_object(); | |
61 | json_ocode = json_object_new_object(); | |
62 | json_routes = json_object_new_object(); | |
63 | json = json_object_new_object(); | |
64 | ||
65 | json_object_string_add(json_scode, "suppressed", "s"); | |
66 | json_object_string_add(json_scode, "damped", "d"); | |
67 | json_object_string_add(json_scode, "history", "h"); | |
68 | json_object_string_add(json_scode, "valid", "*"); | |
69 | json_object_string_add(json_scode, "best", ">"); | |
70 | json_object_string_add(json_scode, "internal", "i"); | |
71 | ||
72 | json_object_string_add(json_ocode, "igp", "i"); | |
73 | json_object_string_add(json_ocode, "egp", "e"); | |
74 | json_object_string_add(json_ocode, "incomplete", "?"); | |
75 | } | |
76 | ||
77 | for (rn = bgp_table_top(bgp->rib[afi][SAFI_MPLS_VPN]); rn; | |
78 | rn = bgp_route_next(rn)) { | |
79 | if (prd && memcmp(rn->p.u.val, prd->val, 8) != 0) | |
80 | continue; | |
81 | ||
82 | if ((table = rn->info) != NULL) { | |
83 | if (use_json) | |
84 | json_array = json_object_new_array(); | |
85 | else | |
86 | json_array = NULL; | |
87 | ||
88 | rd_header = 1; | |
89 | ||
90 | for (rm = bgp_table_top(table); rm; | |
91 | rm = bgp_route_next(rm)) { | |
92 | if ((attr = rm->info) != NULL) { | |
93 | if (header) { | |
94 | if (use_json) { | |
95 | json_object_int_add( | |
96 | json, | |
97 | "bgpTableVersion", | |
98 | 0); | |
99 | json_object_string_add( | |
100 | json, | |
101 | "bgpLocalRouterId", | |
102 | inet_ntoa( | |
103 | bgp->router_id)); | |
104 | json_object_object_add( | |
105 | json, | |
106 | "bgpStatusCodes", | |
107 | json_scode); | |
108 | json_object_object_add( | |
109 | json, | |
110 | "bgpOriginCodes", | |
111 | json_ocode); | |
112 | } else { | |
113 | vty_out(vty, | |
114 | "BGP table version is 0, local router ID is %s\n", | |
115 | inet_ntoa( | |
116 | bgp->router_id)); | |
117 | vty_out(vty, | |
118 | "Status codes: s suppressed, d damped, h history, * valid, > best, i - internal\n"); | |
119 | vty_out(vty, | |
120 | "Origin codes: i - IGP, e - EGP, ? - incomplete\n\n"); | |
121 | vty_out(vty, V4_HEADER); | |
122 | } | |
123 | header = 0; | |
124 | } | |
125 | ||
126 | if (rd_header) { | |
d7c0a89a | 127 | uint16_t type; |
d62a17ae | 128 | struct rd_as rd_as; |
129 | struct rd_ip rd_ip = {0}; | |
784d3a42 | 130 | #if ENABLE_BGP_VNC |
d62a17ae | 131 | struct rd_vnc_eth rd_vnc_eth = { |
132 | 0}; | |
784d3a42 | 133 | #endif |
d7c0a89a | 134 | uint8_t *pnt; |
d62a17ae | 135 | |
136 | pnt = rn->p.u.val; | |
137 | ||
138 | /* Decode RD type. */ | |
139 | type = decode_rd_type(pnt); | |
140 | /* Decode RD value. */ | |
141 | if (type == RD_TYPE_AS) | |
142 | decode_rd_as(pnt + 2, | |
143 | &rd_as); | |
144 | else if (type == RD_TYPE_AS4) | |
145 | decode_rd_as4(pnt + 2, | |
146 | &rd_as); | |
147 | else if (type == RD_TYPE_IP) | |
148 | decode_rd_ip(pnt + 2, | |
149 | &rd_ip); | |
784d3a42 | 150 | #if ENABLE_BGP_VNC |
d62a17ae | 151 | else if (type |
152 | == RD_TYPE_VNC_ETH) | |
153 | decode_rd_vnc_eth( | |
154 | pnt, | |
155 | &rd_vnc_eth); | |
784d3a42 PG |
156 | #endif |
157 | ||
d62a17ae | 158 | if (use_json) { |
159 | char buffer[BUFSIZ]; | |
160 | if (type == RD_TYPE_AS | |
161 | || type == RD_TYPE_AS4) | |
162 | sprintf(buffer, | |
163 | "%u:%d", | |
164 | rd_as.as, | |
165 | rd_as.val); | |
166 | else if (type | |
167 | == RD_TYPE_IP) | |
168 | sprintf(buffer, | |
169 | "%s:%d", | |
170 | inet_ntoa( | |
171 | rd_ip.ip), | |
172 | rd_ip.val); | |
173 | json_object_string_add( | |
174 | json_routes, | |
175 | "routeDistinguisher", | |
176 | buffer); | |
177 | } else { | |
178 | vty_out(vty, | |
179 | "Route Distinguisher: "); | |
180 | ||
181 | if (type == RD_TYPE_AS | |
182 | || type == RD_TYPE_AS4) | |
183 | vty_out(vty, | |
184 | "%u:%d", | |
185 | rd_as.as, | |
186 | rd_as.val); | |
187 | else if (type | |
188 | == RD_TYPE_IP) | |
189 | vty_out(vty, | |
190 | "%s:%d", | |
191 | inet_ntoa( | |
192 | rd_ip.ip), | |
193 | rd_ip.val); | |
784d3a42 | 194 | #if ENABLE_BGP_VNC |
d62a17ae | 195 | else if ( |
196 | type | |
197 | == RD_TYPE_VNC_ETH) | |
198 | vty_out(vty, | |
199 | "%u:%02x:%02x:%02x:%02x:%02x:%02x", | |
200 | rd_vnc_eth | |
201 | .local_nve_id, | |
202 | rd_vnc_eth | |
203 | .macaddr | |
204 | .octet[0], | |
205 | rd_vnc_eth | |
206 | .macaddr | |
207 | .octet[1], | |
208 | rd_vnc_eth | |
209 | .macaddr | |
210 | .octet[2], | |
211 | rd_vnc_eth | |
212 | .macaddr | |
213 | .octet[3], | |
214 | rd_vnc_eth | |
215 | .macaddr | |
216 | .octet[4], | |
217 | rd_vnc_eth | |
218 | .macaddr | |
219 | .octet[5]); | |
784d3a42 PG |
220 | #endif |
221 | ||
d62a17ae | 222 | vty_out(vty, "\n"); |
223 | } | |
224 | rd_header = 0; | |
225 | } | |
226 | route_vty_out_tmp(vty, &rm->p, attr, | |
227 | SAFI_MPLS_VPN, | |
228 | use_json, json_array); | |
229 | } | |
230 | } | |
231 | if (use_json) { | |
232 | struct prefix *p; | |
233 | char buf_a[BUFSIZ]; | |
234 | char buf_b[BUFSIZ]; | |
235 | p = &rm->p; | |
236 | sprintf(buf_a, "%s/%d", | |
237 | inet_ntop(p->family, &p->u.prefix, | |
238 | buf_b, BUFSIZ), | |
239 | p->prefixlen); | |
240 | json_object_object_add(json_routes, buf_a, | |
241 | json_array); | |
242 | } | |
243 | } | |
244 | } | |
245 | if (use_json) { | |
246 | json_object_object_add(json, "routes", json_routes); | |
9d303b37 DL |
247 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
248 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 249 | json_object_free(json); |
250 | } | |
251 | return CMD_SUCCESS; | |
784d3a42 | 252 | } |