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ef020087 CF |
1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_vty_fabricd.c | |
3 | * | |
4 | * This file contains the CLI that is specific to OpenFabric | |
5 | * | |
6 | * Copyright (C) 2018 Christian Franke, for NetDEF, Inc. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public Licenseas published by the Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful,but WITHOUT | |
14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
16 | * more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; see the file COPYING; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | #include <zebra.h> | |
23 | ||
24 | #include "command.h" | |
25 | ||
1eb7c3a1 CF |
26 | #include "isisd/isisd.h" |
27 | #include "isisd/isis_vty_common.h" | |
28 | #include "isisd/fabricd.h" | |
29 | #include "isisd/isis_tlvs.h" | |
30 | #include "isisd/isis_misc.h" | |
31 | #include "isisd/isis_lsp.h" | |
aaf2fd21 | 32 | #include "isisd/isis_csm.h" |
f084ea55 | 33 | #include "isisd/isis_circuit.h" |
92ed0cde CF |
34 | |
35 | DEFUN (fabric_tier, | |
36 | fabric_tier_cmd, | |
37 | "fabric-tier (0-14)", | |
38 | "Statically configure the tier to advertise\n" | |
39 | "Tier to advertise\n") | |
40 | { | |
41 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
42 | ||
43 | uint8_t tier = atoi(argv[1]->arg); | |
44 | ||
45 | fabricd_configure_tier(area, tier); | |
46 | return CMD_SUCCESS; | |
47 | } | |
48 | ||
49 | DEFUN (no_fabric_tier, | |
50 | no_fabric_tier_cmd, | |
51 | "no fabric-tier [(0-14)]", | |
52 | NO_STR | |
53 | "Statically configure the tier to advertise\n" | |
54 | "Tier to advertise\n") | |
55 | { | |
56 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
57 | ||
58 | fabricd_configure_tier(area, ISIS_TIER_UNDEFINED); | |
59 | return CMD_SUCCESS; | |
60 | } | |
ef020087 | 61 | |
e923107c CF |
62 | DEFUN (triggered_csnp, |
63 | triggered_csnp_cmd, | |
64 | "triggered-csnp-delay (100-10000) [always]", | |
65 | "Configure the delay for triggered CSNPs\n" | |
66 | "Delay in milliseconds\n" | |
67 | "Trigger CSNP for all LSPs, not only circuit-scoped\n") | |
68 | { | |
69 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
70 | ||
71 | int csnp_delay = atoi(argv[1]->arg); | |
72 | bool always_send_csnp = (argc == 3); | |
73 | ||
74 | fabricd_configure_triggered_csnp(area, csnp_delay, always_send_csnp); | |
75 | return CMD_SUCCESS; | |
76 | } | |
77 | ||
78 | DEFUN (no_triggered_csnp, | |
79 | no_triggered_csnp_cmd, | |
80 | "no triggered-csnp-delay [(100-10000) [always]]", | |
81 | NO_STR | |
82 | "Configure the delay for triggered CSNPs\n" | |
83 | "Delay in milliseconds\n" | |
84 | "Trigger CSNP for all LSPs, not only circuit-scoped\n") | |
85 | { | |
86 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
87 | ||
88 | fabricd_configure_triggered_csnp(area, FABRICD_DEFAULT_CSNP_DELAY, | |
89 | false); | |
90 | return CMD_SUCCESS; | |
91 | } | |
92 | ||
1eb7c3a1 CF |
93 | static void lsp_print_flooding(struct vty *vty, struct isis_lsp *lsp) |
94 | { | |
95 | char lspid[255]; | |
96 | ||
97 | lspid_print(lsp->hdr.lsp_id, lspid, true, true); | |
98 | vty_out(vty, "Flooding information for %s\n", lspid); | |
99 | ||
100 | if (!lsp->flooding_neighbors[TX_LSP_NORMAL]) { | |
a6b60da9 | 101 | vty_out(vty, " Never received.\n"); |
1eb7c3a1 CF |
102 | return; |
103 | } | |
104 | ||
a6b60da9 | 105 | vty_out(vty, " Last received on: %s (", |
1eb7c3a1 CF |
106 | lsp->flooding_interface ? |
107 | lsp->flooding_interface : "(null)"); | |
108 | ||
a6b60da9 CF |
109 | time_t uptime = time(NULL) - lsp->flooding_time; |
110 | struct tm *tm = gmtime(&uptime); | |
111 | ||
112 | if (uptime < ONE_DAY_SECOND) | |
113 | vty_out(vty, "%02d:%02d:%02d", tm->tm_hour, tm->tm_min, | |
114 | tm->tm_sec); | |
115 | else if (uptime < ONE_WEEK_SECOND) | |
116 | vty_out(vty, "%dd%02dh%02dm", tm->tm_yday, tm->tm_hour, | |
117 | tm->tm_min); | |
118 | else | |
119 | vty_out(vty, "%02dw%dd%02dh", tm->tm_yday / 7, | |
120 | tm->tm_yday - ((tm->tm_yday / 7) * 7), | |
121 | tm->tm_hour); | |
122 | vty_out(vty, " ago)\n"); | |
123 | ||
124 | if (lsp->flooding_circuit_scoped) { | |
89cdc4df RM |
125 | vty_out(vty, " Received as circuit-scoped LSP, so not " |
126 | "flooded.\n"); | |
a6b60da9 CF |
127 | return; |
128 | } | |
129 | ||
1eb7c3a1 CF |
130 | for (enum isis_tx_type type = TX_LSP_NORMAL; |
131 | type <= TX_LSP_CIRCUIT_SCOPED; type++) { | |
132 | struct listnode *node; | |
133 | uint8_t *neighbor_id; | |
134 | ||
135 | vty_out(vty, " %s:\n", | |
136 | (type == TX_LSP_NORMAL) ? "RF" : "DNR"); | |
137 | for (ALL_LIST_ELEMENTS_RO(lsp->flooding_neighbors[type], | |
138 | node, neighbor_id)) { | |
139 | vty_out(vty, " %s\n", | |
140 | print_sys_hostname(neighbor_id)); | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
145 | DEFUN (show_lsp_flooding, | |
146 | show_lsp_flooding_cmd, | |
147 | "show openfabric flooding [WORD]", | |
148 | SHOW_STR | |
149 | PROTO_HELP | |
150 | "Flooding information\n" | |
151 | "LSP ID\n") | |
152 | { | |
153 | const char *lspid = NULL; | |
154 | ||
89cdc4df | 155 | if (argc == 4) |
1eb7c3a1 | 156 | lspid = argv[3]->arg; |
1eb7c3a1 CF |
157 | |
158 | struct listnode *node; | |
159 | struct isis_area *area; | |
160 | ||
161 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, node, area)) { | |
162 | dict_t *lspdb = area->lspdb[ISIS_LEVEL2 - 1]; | |
163 | ||
164 | vty_out(vty, "Area %s:\n", area->area_tag ? | |
165 | area->area_tag : "null"); | |
166 | ||
167 | if (lspid) { | |
168 | struct isis_lsp *lsp = lsp_for_arg(lspid, lspdb); | |
169 | ||
170 | if (lsp) | |
171 | lsp_print_flooding(vty, lsp); | |
172 | ||
173 | continue; | |
174 | } | |
175 | ||
176 | for (dnode_t *dnode = dict_first(lspdb); dnode; | |
177 | dnode = dict_next(lspdb, dnode)) { | |
178 | lsp_print_flooding(vty, dnode_get(dnode)); | |
179 | vty_out(vty, "\n"); | |
180 | } | |
181 | } | |
182 | ||
183 | return CMD_SUCCESS; | |
184 | } | |
185 | ||
aaf2fd21 EDP |
186 | DEFUN (ip_router_isis, |
187 | ip_router_isis_cmd, | |
188 | "ip router " PROTO_NAME " WORD", | |
189 | "Interface Internet Protocol config commands\n" | |
190 | "IP router interface commands\n" | |
191 | PROTO_HELP | |
192 | "Routing process tag\n") | |
193 | { | |
194 | int idx_afi = 0; | |
195 | int idx_word = 3; | |
196 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
197 | struct isis_circuit *circuit; | |
198 | struct isis_area *area; | |
199 | const char *af = argv[idx_afi]->arg; | |
200 | const char *area_tag = argv[idx_word]->arg; | |
201 | ||
202 | /* Prevent more than one area per circuit */ | |
203 | circuit = circuit_scan_by_ifp(ifp); | |
204 | if (circuit && circuit->area) { | |
205 | if (strcmp(circuit->area->area_tag, area_tag)) { | |
206 | vty_out(vty, "ISIS circuit is already defined on %s\n", | |
207 | circuit->area->area_tag); | |
208 | return CMD_ERR_NOTHING_TODO; | |
209 | } | |
210 | } | |
211 | ||
212 | area = isis_area_lookup(area_tag); | |
213 | if (!area) | |
214 | area = isis_area_create(area_tag); | |
215 | ||
216 | if (!circuit || !circuit->area) { | |
217 | circuit = isis_circuit_create(area, ifp); | |
218 | ||
219 | if (circuit->state != C_STATE_CONF | |
220 | && circuit->state != C_STATE_UP) { | |
221 | vty_out(vty, | |
222 | "Couldn't bring up interface, please check log.\n"); | |
223 | return CMD_WARNING_CONFIG_FAILED; | |
224 | } | |
225 | } | |
226 | ||
227 | bool ip = circuit->ip_router, ipv6 = circuit->ipv6_router; | |
228 | if (af[2] != '\0') | |
229 | ipv6 = true; | |
230 | else | |
231 | ip = true; | |
232 | ||
233 | isis_circuit_af_set(circuit, ip, ipv6); | |
234 | return CMD_SUCCESS; | |
235 | } | |
236 | ||
237 | DEFUN (ip6_router_isis, | |
238 | ip6_router_isis_cmd, | |
239 | "ipv6 router " PROTO_NAME " WORD", | |
240 | "Interface Internet Protocol config commands\n" | |
241 | "IP router interface commands\n" | |
242 | PROTO_HELP | |
243 | "Routing process tag\n") | |
244 | { | |
245 | return ip_router_isis(self, vty, argc, argv); | |
246 | } | |
247 | ||
248 | DEFUN (no_ip_router_isis, | |
249 | no_ip_router_isis_cmd, | |
250 | "no <ip|ipv6> router " PROTO_NAME " WORD", | |
251 | NO_STR | |
252 | "Interface Internet Protocol config commands\n" | |
253 | "IP router interface commands\n" | |
254 | "IP router interface commands\n" | |
255 | PROTO_HELP | |
256 | "Routing process tag\n") | |
257 | { | |
258 | int idx_afi = 1; | |
259 | int idx_word = 4; | |
260 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
261 | struct isis_area *area; | |
262 | struct isis_circuit *circuit; | |
263 | const char *af = argv[idx_afi]->arg; | |
264 | const char *area_tag = argv[idx_word]->arg; | |
265 | ||
266 | area = isis_area_lookup(area_tag); | |
267 | if (!area) { | |
268 | vty_out(vty, "Can't find ISIS instance %s\n", | |
269 | area_tag); | |
270 | return CMD_ERR_NO_MATCH; | |
271 | } | |
272 | ||
273 | circuit = circuit_lookup_by_ifp(ifp, area->circuit_list); | |
274 | if (!circuit) { | |
275 | vty_out(vty, "ISIS is not enabled on circuit %s\n", ifp->name); | |
276 | return CMD_ERR_NO_MATCH; | |
277 | } | |
278 | ||
279 | bool ip = circuit->ip_router, ipv6 = circuit->ipv6_router; | |
280 | if (af[2] != '\0') | |
281 | ipv6 = false; | |
282 | else | |
283 | ip = false; | |
284 | ||
285 | isis_circuit_af_set(circuit, ip, ipv6); | |
286 | return CMD_SUCCESS; | |
287 | } | |
288 | ||
05a3f9f0 EDP |
289 | DEFUN (set_overload_bit, |
290 | set_overload_bit_cmd, | |
291 | "set-overload-bit", | |
292 | "Set overload bit to avoid any transit traffic\n") | |
293 | { | |
294 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
295 | ||
296 | isis_area_overload_bit_set(area, true); | |
297 | return CMD_SUCCESS; | |
298 | } | |
299 | ||
300 | DEFUN (no_set_overload_bit, | |
301 | no_set_overload_bit_cmd, | |
302 | "no set-overload-bit", | |
303 | "Reset overload bit to accept transit traffic\n" | |
304 | "Reset overload bit\n") | |
305 | { | |
306 | VTY_DECLVAR_CONTEXT(isis_area, area); | |
307 | ||
308 | isis_area_overload_bit_set(area, false); | |
309 | return CMD_SUCCESS; | |
310 | } | |
311 | ||
ef020087 CF |
312 | void isis_vty_daemon_init(void) |
313 | { | |
92ed0cde CF |
314 | install_element(ROUTER_NODE, &fabric_tier_cmd); |
315 | install_element(ROUTER_NODE, &no_fabric_tier_cmd); | |
e923107c CF |
316 | install_element(ROUTER_NODE, &triggered_csnp_cmd); |
317 | install_element(ROUTER_NODE, &no_triggered_csnp_cmd); | |
1eb7c3a1 CF |
318 | |
319 | install_element(ENABLE_NODE, &show_lsp_flooding_cmd); | |
aaf2fd21 EDP |
320 | |
321 | install_element(INTERFACE_NODE, &ip_router_isis_cmd); | |
322 | install_element(INTERFACE_NODE, &ip6_router_isis_cmd); | |
323 | install_element(INTERFACE_NODE, &no_ip_router_isis_cmd); | |
05a3f9f0 EDP |
324 | |
325 | install_element(ROUTER_NODE, &set_overload_bit_cmd); | |
326 | install_element(ROUTER_NODE, &no_set_overload_bit_cmd); | |
ef020087 | 327 | } |