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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" | |
23d0a753 | 25 | #include "lib/printfrr.h" |
784d3a42 PG |
26 | |
27 | #include "bgpd/bgpd.h" | |
28 | #include "bgpd/bgp_route.h" | |
29 | #include "bgpd/bgp_table.h" | |
30 | #include "bgpd/bgp_attr.h" | |
31 | #include "bgpd/bgp_mplsvpn.h" | |
32 | #include "bgpd/bgp_vpn.h" | |
dc387b0f | 33 | #include "bgpd/bgp_updgrp.h" |
784d3a42 | 34 | |
d62a17ae | 35 | int show_adj_route_vpn(struct vty *vty, struct peer *peer, |
36 | struct prefix_rd *prd, afi_t afi, safi_t safi, | |
9f049418 | 37 | bool use_json) |
784d3a42 | 38 | { |
d62a17ae | 39 | struct bgp *bgp; |
40 | struct bgp_table *table; | |
9bcb3eef DS |
41 | struct bgp_dest *dest; |
42 | struct bgp_dest *rm; | |
d62a17ae | 43 | int rd_header; |
44 | int header = 1; | |
45 | json_object *json = NULL; | |
46 | json_object *json_scode = NULL; | |
47 | json_object *json_ocode = NULL; | |
dc387b0f | 48 | json_object *json_adv = NULL; |
d62a17ae | 49 | json_object *json_routes = NULL; |
dc387b0f LK |
50 | char rd_str[BUFSIZ]; |
51 | unsigned long output_count = 0; | |
d62a17ae | 52 | |
53 | bgp = bgp_get_default(); | |
54 | if (bgp == NULL) { | |
55 | if (!use_json) | |
56 | vty_out(vty, "No BGP process is configured\n"); | |
16307668 RW |
57 | else |
58 | vty_out(vty, "{}\n"); | |
d62a17ae | 59 | return CMD_WARNING; |
60 | } | |
61 | ||
62 | if (use_json) { | |
63 | json_scode = json_object_new_object(); | |
64 | json_ocode = json_object_new_object(); | |
d62a17ae | 65 | json = json_object_new_object(); |
dc387b0f | 66 | json_adv = json_object_new_object(); |
d62a17ae | 67 | |
68 | json_object_string_add(json_scode, "suppressed", "s"); | |
69 | json_object_string_add(json_scode, "damped", "d"); | |
70 | json_object_string_add(json_scode, "history", "h"); | |
71 | json_object_string_add(json_scode, "valid", "*"); | |
72 | json_object_string_add(json_scode, "best", ">"); | |
73 | json_object_string_add(json_scode, "internal", "i"); | |
74 | ||
75 | json_object_string_add(json_ocode, "igp", "i"); | |
76 | json_object_string_add(json_ocode, "egp", "e"); | |
77 | json_object_string_add(json_ocode, "incomplete", "?"); | |
78 | } | |
79 | ||
9bcb3eef DS |
80 | for (dest = bgp_table_top(bgp->rib[afi][safi]); dest; |
81 | dest = bgp_route_next(dest)) { | |
82 | const struct prefix *dest_p = bgp_dest_get_prefix(dest); | |
b54892e0 | 83 | |
9bcb3eef | 84 | if (prd && memcmp(dest_p->u.val, prd->val, 8) != 0) |
d62a17ae | 85 | continue; |
86 | ||
9bcb3eef | 87 | table = bgp_dest_get_bgp_table_info(dest); |
c4936a1a DS |
88 | if (table == NULL) |
89 | continue; | |
d62a17ae | 90 | |
f5cfc290 LK |
91 | /* |
92 | * Initialize variables for each RD | |
93 | * All prefixes under an RD is aggregated within "json_routes" | |
94 | */ | |
c4936a1a | 95 | rd_header = 1; |
dc387b0f | 96 | memset(rd_str, 0, sizeof(rd_str)); |
f5cfc290 | 97 | json_routes = NULL; |
c4936a1a DS |
98 | |
99 | for (rm = bgp_table_top(table); rm; rm = bgp_route_next(rm)) { | |
dc387b0f LK |
100 | struct bgp_adj_out *adj = NULL; |
101 | struct attr *attr = NULL; | |
102 | struct peer_af *paf = NULL; | |
103 | ||
104 | RB_FOREACH (adj, bgp_adj_out_rb, &rm->adj_out) | |
105 | SUBGRP_FOREACH_PEER (adj->subgroup, paf) { | |
106 | if (paf->peer != peer || !adj->attr) | |
107 | continue; | |
108 | ||
109 | attr = adj->attr; | |
110 | break; | |
111 | } | |
112 | ||
9bcb3eef | 113 | if (bgp_dest_get_bgp_path_info(rm) == NULL) |
c4936a1a DS |
114 | continue; |
115 | ||
10d5be75 LK |
116 | if (!attr) |
117 | continue; | |
118 | ||
c4936a1a DS |
119 | if (header) { |
120 | if (use_json) { | |
121 | json_object_int_add( | |
122 | json, "bgpTableVersion", 0); | |
c949c771 | 123 | json_object_string_addf( |
c4936a1a | 124 | json, "bgpLocalRouterId", |
c949c771 | 125 | "%pI4", &bgp->router_id); |
dc387b0f LK |
126 | json_object_int_add( |
127 | json, | |
128 | "defaultLocPrf", | |
129 | bgp->default_local_pref); | |
130 | json_object_int_add( | |
131 | json, "localAS", | |
132 | bgp->as); | |
c4936a1a DS |
133 | json_object_object_add(json, |
134 | "bgpStatusCodes", | |
135 | json_scode); | |
136 | json_object_object_add(json, | |
137 | "bgpOriginCodes", | |
138 | json_ocode); | |
139 | } else { | |
140 | vty_out(vty, | |
23d0a753 DA |
141 | "BGP table version is 0, local router ID is %pI4\n", |
142 | &bgp->router_id); | |
dc387b0f LK |
143 | vty_out(vty, "Default local pref %u, ", |
144 | bgp->default_local_pref); | |
145 | vty_out(vty, "local AS %u\n", bgp->as); | |
c4936a1a DS |
146 | vty_out(vty, |
147 | "Status codes: s suppressed, d damped, h history, * valid, > best, i - internal\n"); | |
148 | vty_out(vty, | |
149 | "Origin codes: i - IGP, e - EGP, ? - incomplete\n\n"); | |
150 | vty_out(vty, V4_HEADER); | |
151 | } | |
152 | header = 0; | |
153 | } | |
d62a17ae | 154 | |
c4936a1a DS |
155 | if (rd_header) { |
156 | uint16_t type; | |
157 | struct rd_as rd_as = {0}; | |
158 | struct rd_ip rd_ip = {0}; | |
49e5a4a0 | 159 | #ifdef ENABLE_BGP_VNC |
c4936a1a | 160 | struct rd_vnc_eth rd_vnc_eth = {0}; |
784d3a42 | 161 | #endif |
b54892e0 | 162 | const uint8_t *pnt; |
c4936a1a | 163 | |
9bcb3eef | 164 | pnt = dest_p->u.val; |
c4936a1a DS |
165 | |
166 | /* Decode RD type. */ | |
167 | type = decode_rd_type(pnt); | |
168 | /* Decode RD value. */ | |
169 | if (type == RD_TYPE_AS) | |
170 | decode_rd_as(pnt + 2, &rd_as); | |
171 | else if (type == RD_TYPE_AS4) | |
172 | decode_rd_as4(pnt + 2, &rd_as); | |
173 | else if (type == RD_TYPE_IP) | |
174 | decode_rd_ip(pnt + 2, &rd_ip); | |
49e5a4a0 | 175 | #ifdef ENABLE_BGP_VNC |
c4936a1a DS |
176 | else if (type == RD_TYPE_VNC_ETH) |
177 | decode_rd_vnc_eth(pnt, &rd_vnc_eth); | |
784d3a42 | 178 | #endif |
c4936a1a | 179 | if (use_json) { |
dc387b0f LK |
180 | json_routes = json_object_new_object(); |
181 | ||
c4936a1a DS |
182 | if (type == RD_TYPE_AS |
183 | || type == RD_TYPE_AS4) | |
772270f3 QY |
184 | snprintf(rd_str, sizeof(rd_str), |
185 | "%u:%d", rd_as.as, | |
186 | rd_as.val); | |
c4936a1a | 187 | else if (type == RD_TYPE_IP) |
23d0a753 DA |
188 | snprintfrr(rd_str, |
189 | sizeof(rd_str), | |
190 | "%pI4:%d", &rd_ip.ip, | |
191 | rd_ip.val); | |
c4936a1a DS |
192 | json_object_string_add( |
193 | json_routes, | |
dc387b0f | 194 | "rd", rd_str); |
c4936a1a DS |
195 | } else { |
196 | vty_out(vty, "Route Distinguisher: "); | |
197 | ||
198 | if (type == RD_TYPE_AS | |
199 | || type == RD_TYPE_AS4) | |
200 | vty_out(vty, "%u:%d", rd_as.as, | |
201 | rd_as.val); | |
202 | else if (type == RD_TYPE_IP) | |
23d0a753 DA |
203 | vty_out(vty, "%pI4:%d", |
204 | &rd_ip.ip, rd_ip.val); | |
49e5a4a0 | 205 | #ifdef ENABLE_BGP_VNC |
c4936a1a DS |
206 | else if (type == RD_TYPE_VNC_ETH) |
207 | vty_out(vty, | |
208 | "%u:%02x:%02x:%02x:%02x:%02x:%02x", | |
209 | rd_vnc_eth.local_nve_id, | |
210 | rd_vnc_eth.macaddr | |
211 | .octet[0], | |
212 | rd_vnc_eth.macaddr | |
213 | .octet[1], | |
214 | rd_vnc_eth.macaddr | |
215 | .octet[2], | |
216 | rd_vnc_eth.macaddr | |
217 | .octet[3], | |
218 | rd_vnc_eth.macaddr | |
219 | .octet[4], | |
220 | rd_vnc_eth.macaddr | |
221 | .octet[5]); | |
784d3a42 PG |
222 | #endif |
223 | ||
c4936a1a | 224 | vty_out(vty, "\n"); |
d62a17ae | 225 | } |
c4936a1a DS |
226 | rd_header = 0; |
227 | } | |
7d3cae70 DA |
228 | route_vty_out_tmp(vty, rm, bgp_dest_get_prefix(rm), |
229 | attr, safi, use_json, json_routes, | |
230 | false); | |
dc387b0f | 231 | output_count++; |
d62a17ae | 232 | } |
dc387b0f | 233 | |
f5cfc290 | 234 | if (use_json && json_routes) |
dc387b0f | 235 | json_object_object_add(json_adv, rd_str, json_routes); |
d62a17ae | 236 | } |
dc387b0f | 237 | |
d62a17ae | 238 | if (use_json) { |
dc387b0f LK |
239 | json_object_object_add(json, "advertisedRoutes", json_adv); |
240 | json_object_int_add(json, | |
241 | "totalPrefixCounter", output_count); | |
75eeda93 | 242 | vty_json(vty, json); |
dc387b0f LK |
243 | } else |
244 | vty_out(vty, "\nTotal number of prefixes %ld\n", output_count); | |
245 | ||
d62a17ae | 246 | return CMD_SUCCESS; |
784d3a42 | 247 | } |