[mirror_frr.git] / zebra / zebra_srv6_vty.c

/*
 * Zebra SRv6 VTY functions
 * Copyright (C) 2020  Hiroki Shirokura, LINE Corporation
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>

#include "memory.h"
#include "if.h"
#include "prefix.h"
#include "command.h"
#include "table.h"
#include "rib.h"
#include "nexthop.h"
#include "vrf.h"
#include "srv6.h"
#include "lib/json.h"

#include "zebra/zserv.h"
#include "zebra/zebra_router.h"
#include "zebra/zebra_vrf.h"
#include "zebra/zebra_srv6.h"
#include "zebra/zebra_srv6_vty.h"
#include "zebra/zebra_rnh.h"
#include "zebra/redistribute.h"
#include "zebra/zebra_routemap.h"
#include "zebra/zebra_dplane.h"

#ifndef VTYSH_EXTRACT_PL
#include "zebra/zebra_srv6_vty_clippy.c"
#endif

static int zebra_sr_config(struct vty *vty);

static struct cmd_node sr_node = {
	.name = "sr",
	.node = SEGMENT_ROUTING_NODE,
	.parent_node = CONFIG_NODE,
	.prompt = "%s(config-sr)# ",
	.config_write = zebra_sr_config,
};

static struct cmd_node srv6_node = {
	.name = "srv6",
	.node = SRV6_NODE,
	.parent_node = SEGMENT_ROUTING_NODE,
	.prompt = "%s(config-srv6)# ",

};

static struct cmd_node srv6_locs_node = {
	.name = "srv6-locators",
	.node = SRV6_LOCS_NODE,
	.parent_node = SRV6_NODE,
	.prompt = "%s(config-srv6-locators)# ",
};

static struct cmd_node srv6_loc_node = {
	.name = "srv6-locator",
	.node = SRV6_LOC_NODE,
	.parent_node = SRV6_LOCS_NODE,
	.prompt = "%s(config-srv6-locator)# "
};

DEFUN (show_srv6_locator,
       show_srv6_locator_cmd,
       "show segment-routing srv6 locator [json]",
       SHOW_STR
       "Segment Routing\n"
       "Segment Routing SRv6\n"
       "Locator Information\n"
       JSON_STR)
{
	const bool uj = use_json(argc, argv);
	struct zebra_srv6 *srv6 = zebra_srv6_get_default();
	struct srv6_locator *locator;
	struct listnode *node;
	char str[256];
	int id;
	json_object *json = NULL;
	json_object *json_locators = NULL;
	json_object *json_locator = NULL;

	if (uj) {
		json = json_object_new_object();
		json_locators = json_object_new_array();
		json_object_object_add(json, "locators", json_locators);

		for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
			json_locator = srv6_locator_json(locator);
			if (!json_locator)
				continue;
			json_object_array_add(json_locators, json_locator);

		}

		vty_out(vty, "%s\n", json_object_to_json_string_ext(json,
					JSON_C_TO_STRING_PRETTY));
		json_object_free(json);
	} else {
		vty_out(vty, "Locator:\n");
		vty_out(vty, "Name                 ID      Prefix                   Status\n");
		vty_out(vty, "-------------------- ------- ------------------------ -------\n");

		id = 1;
		for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
			prefix2str(&locator->prefix, str, sizeof(str));
			vty_out(vty, "%-20s %7d %-24s %s\n",
				locator->name, id, str,
				locator->status_up ? "Up" : "Down");
			++id;
		}
		vty_out(vty, "\n");
	}

	return CMD_SUCCESS;
}

DEFUN (show_srv6_locator_detail,
       show_srv6_locator_detail_cmd,
       "show segment-routing srv6 locator NAME detail [json]",
       SHOW_STR
       "Segment Routing\n"
       "Segment Routing SRv6\n"
       "Locator Information\n"
       "Locator Name\n"
       "Detailed information\n"
       JSON_STR)
{
	const bool uj = use_json(argc, argv);
	struct zebra_srv6 *srv6 = zebra_srv6_get_default();
	struct srv6_locator *locator;
	struct listnode *node;
	char str[256];
	const char *locator_name = argv[4]->arg;

	if (uj) {
		vty_out(vty, "JSON format isn't supported\n");
		return CMD_WARNING;
	}

	for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
		struct listnode *node;
		struct srv6_locator_chunk *chunk;

		if (strcmp(locator->name, locator_name) != 0)
			continue;

		prefix2str(&locator->prefix, str, sizeof(str));
		vty_out(vty, "Name: %s\n", locator->name);
		vty_out(vty, "Prefix: %s\n", str);
		vty_out(vty, "Function-Bit-Len: %u\n",
			locator->function_bits_length);

		vty_out(vty, "Chunks:\n");
		for (ALL_LIST_ELEMENTS_RO((struct list *)locator->chunks, node,
					  chunk)) {
			prefix2str(&chunk->prefix, str, sizeof(str));
			vty_out(vty, "- prefix: %s, owner: %s\n", str,
				zebra_route_string(chunk->proto));
		}
	}


	return CMD_SUCCESS;
}

DEFUN_NOSH (segment_routing,
            segment_routing_cmd,
            "segment-routing",
            "Segment Routing\n")
{
	vty->node = SEGMENT_ROUTING_NODE;
	return CMD_SUCCESS;
}

DEFUN_NOSH (srv6,
            srv6_cmd,
            "srv6",
            "Segment Routing SRv6\n")
{
	vty->node = SRV6_NODE;
	return CMD_SUCCESS;
}

DEFUN_NOSH (srv6_locators,
            srv6_locators_cmd,
            "locators",
            "Segment Routing SRv6 locators\n")
{
	vty->node = SRV6_LOCS_NODE;
	return CMD_SUCCESS;
}

DEFUN_NOSH (srv6_locator,
            srv6_locator_cmd,
            "locator WORD",
            "Segment Routing SRv6 locator\n"
            "Specify locator-name\n")
{
	struct srv6_locator *locator = NULL;

	locator = zebra_srv6_locator_lookup(argv[1]->arg);
	if (locator) {
		VTY_PUSH_CONTEXT(SRV6_LOC_NODE, locator);
		locator->status_up = true;
		return CMD_SUCCESS;
	}

	locator = srv6_locator_alloc(argv[1]->arg);
	if (!locator) {
		vty_out(vty, "%% Alloc failed\n");
		return CMD_WARNING_CONFIG_FAILED;
	}
	locator->status_up = true;

	VTY_PUSH_CONTEXT(SRV6_LOC_NODE, locator);
	vty->node = SRV6_LOC_NODE;
	return CMD_SUCCESS;
}

DEFPY (locator_prefix,
       locator_prefix_cmd,
       "prefix X:X::X:X/M$prefix [func-bits (16-64)$func_bit_len]",
       "Configure SRv6 locator prefix\n"
       "Specify SRv6 locator prefix\n"
       "Configure SRv6 locator function length in bits\n"
       "Specify SRv6 locator function length in bits\n")
{
	VTY_DECLVAR_CONTEXT(srv6_locator, locator);
	struct srv6_locator_chunk *chunk = NULL;
	struct listnode *node = NULL;

	locator->prefix = *prefix;

	/*
	 * TODO(slankdev): please support variable node-bit-length.
	 * In draft-ietf-bess-srv6-services-05#section-3.2.1.
	 * Locator block length and Locator node length are defined.
	 * Which are defined as "locator-len == block-len + node-len".
	 * In current implementation, node bits length is hardcoded as 24.
	 * It should be supported various val.
	 *
	 * Cisco IOS-XR support only following pattern.
	 *  (1) Teh locator length should be 64-bits long.
	 *  (2) The SID block portion (MSBs) cannot exceed 40 bits.
	 *      If this value is less than 40 bits,
	 *      user should use a pattern of zeros as a filler.
	 *  (3) The Node Id portion (LSBs) cannot exceed 24 bits.
	 */
	locator->block_bits_length = prefix->prefixlen - 24;
	locator->node_bits_length = 24;
	locator->function_bits_length = func_bit_len;
	locator->argument_bits_length = 0;

	if (list_isempty(locator->chunks)) {
		chunk = srv6_locator_chunk_alloc();
		chunk->prefix = *prefix;
		chunk->proto = 0;
		listnode_add(locator->chunks, chunk);
	} else {
		for (ALL_LIST_ELEMENTS_RO(locator->chunks, node, chunk)) {
			uint8_t zero[16] = {0};

			if (memcmp(&chunk->prefix.prefix, zero, 16) == 0) {
				struct zserv *client;
				struct listnode *client_node;

				chunk->prefix = *prefix;
				for (ALL_LIST_ELEMENTS_RO(zrouter.client_list,
							  client_node,
							  client)) {
					struct srv6_locator *tmp;

					if (client->proto != chunk->proto)
						continue;

					srv6_manager_get_locator_chunk_call(
							&tmp, client,
							locator->name,
							VRF_DEFAULT);
				}
			}
		}
	}

	zebra_srv6_locator_add(locator);
	return CMD_SUCCESS;
}

static int zebra_sr_config(struct vty *vty)
{
	struct zebra_srv6 *srv6 = zebra_srv6_get_default();
	struct listnode *node;
	struct srv6_locator *locator;
	char str[256];

	vty_out(vty, "!\n");
	if (zebra_srv6_is_enable()) {
		vty_out(vty, "segment-routing\n");
		vty_out(vty, " srv6\n");
		vty_out(vty, "  locators\n");
		for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
			inet_ntop(AF_INET6, &locator->prefix.prefix,
				  str, sizeof(str));
			vty_out(vty, "   locator %s\n", locator->name);
			vty_out(vty, "    prefix %s/%u\n", str,
				locator->prefix.prefixlen);
			vty_out(vty, "   exit\n");
			vty_out(vty, "   !\n");
		}
		vty_out(vty, "  exit\n");
		vty_out(vty, "  !\n");
		vty_out(vty, " exit\n");
		vty_out(vty, " !\n");
		vty_out(vty, "exit\n");
		vty_out(vty, "!\n");
	}
	return 0;
}

void zebra_srv6_vty_init(void)
{
	/* Install nodes and its default commands */
	install_node(&sr_node);
	install_node(&srv6_node);
	install_node(&srv6_locs_node);
	install_node(&srv6_loc_node);
	install_default(SEGMENT_ROUTING_NODE);
	install_default(SRV6_NODE);
	install_default(SRV6_LOCS_NODE);
	install_default(SRV6_LOC_NODE);

	/* Command for change node */
	install_element(CONFIG_NODE, &segment_routing_cmd);
	install_element(SEGMENT_ROUTING_NODE, &srv6_cmd);
	install_element(SRV6_NODE, &srv6_locators_cmd);
	install_element(SRV6_LOCS_NODE, &srv6_locator_cmd);

	/* Command for configuration */
	install_element(SRV6_LOC_NODE, &locator_prefix_cmd);

	/* Command for operation */
	install_element(VIEW_NODE, &show_srv6_locator_cmd);
	install_element(VIEW_NODE, &show_srv6_locator_detail_cmd);
}
Commit	Line	Data
6c0a7c09 HS	1	/*
	2	* Zebra SRv6 VTY functions
	3	* Copyright (C) 2020 Hiroki Shirokura, LINE Corporation
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License as published by the Free
	7	* Software Foundation; either version 2 of the License, or (at your option)
	8	* any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful, but WITHOUT
	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	13	* more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; see the file COPYING; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18	*/
	19
	20	#include <zebra.h>
	21
	22	#include "memory.h"
	23	#include "if.h"
	24	#include "prefix.h"
	25	#include "command.h"
	26	#include "table.h"
	27	#include "rib.h"
	28	#include "nexthop.h"
	29	#include "vrf.h"
	30	#include "srv6.h"
	31	#include "lib/json.h"
	32
	33	#include "zebra/zserv.h"
00978977	34	#include "zebra/zebra_router.h"
6c0a7c09	35	#include "zebra/zebra_vrf.h"
00978977	36	#include "zebra/zebra_srv6.h"
6c0a7c09 HS	37	#include "zebra/zebra_srv6_vty.h"
	38	#include "zebra/zebra_rnh.h"
	39	#include "zebra/redistribute.h"
	40	#include "zebra/zebra_routemap.h"
	41	#include "zebra/zebra_dplane.h"
	42
daedb8b3 HS	43	#ifndef VTYSH_EXTRACT_PL
	44	#include "zebra/zebra_srv6_vty_clippy.c"
	45	#endif
	46
6c0a7c09 HS	47	static int zebra_sr_config(struct vty *vty);
	48
	49	static struct cmd_node sr_node = {
	50	.name = "sr",
	51	.node = SEGMENT_ROUTING_NODE,
	52	.parent_node = CONFIG_NODE,
	53	.prompt = "%s(config-sr)# ",
	54	.config_write = zebra_sr_config,
	55	};
	56
	57	static struct cmd_node srv6_node = {
	58	.name = "srv6",
	59	.node = SRV6_NODE,
	60	.parent_node = SEGMENT_ROUTING_NODE,
	61	.prompt = "%s(config-srv6)# ",
	62
	63	};
	64
	65	static struct cmd_node srv6_locs_node = {
	66	.name = "srv6-locators",
	67	.node = SRV6_LOCS_NODE,
	68	.parent_node = SRV6_NODE,
	69	.prompt = "%s(config-srv6-locators)# ",
	70	};
	71
	72	static struct cmd_node srv6_loc_node = {
	73	.name = "srv6-locator",
	74	.node = SRV6_LOC_NODE,
	75	.parent_node = SRV6_LOCS_NODE,
	76	.prompt = "%s(config-srv6-locator)# "
	77	};
	78
00978977 HS	79	DEFUN (show_srv6_locator,
	80	show_srv6_locator_cmd,
	81	"show segment-routing srv6 locator [json]",
	82	SHOW_STR
	83	"Segment Routing\n"
	84	"Segment Routing SRv6\n"
	85	"Locator Information\n"
	86	JSON_STR)
	87	{
	88	const bool uj = use_json(argc, argv);
	89	struct zebra_srv6 *srv6 = zebra_srv6_get_default();
	90	struct srv6_locator *locator;
	91	struct listnode *node;
	92	char str[256];
	93	int id;
	94	json_object *json = NULL;
	95	json_object *json_locators = NULL;
	96	json_object *json_locator = NULL;
	97
	98	if (uj) {
	99	json = json_object_new_object();
	100	json_locators = json_object_new_array();
	101	json_object_object_add(json, "locators", json_locators);
	102
	103	for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
	104	json_locator = srv6_locator_json(locator);
	105	if (!json_locator)
	106	continue;
	107	json_object_array_add(json_locators, json_locator);
	108
	109	}
	110
	111	vty_out(vty, "%s\n", json_object_to_json_string_ext(json,
	112	JSON_C_TO_STRING_PRETTY));
	113	json_object_free(json);
	114	} else {
	115	vty_out(vty, "Locator:\n");
	116	vty_out(vty, "Name ID Prefix Status\n");
	117	vty_out(vty, "-------------------- ------- ------------------------ -------\n");
	118
	119	id = 1;
	120	for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
	121	prefix2str(&locator->prefix, str, sizeof(str));
	122	vty_out(vty, "%-20s %7d %-24s %s\n",
	123	locator->name, id, str,
	124	locator->status_up ? "Up" : "Down");
	125	++id;
	126	}
	127	vty_out(vty, "\n");
	128	}
	129
	130	return CMD_SUCCESS;
	131	}
	132
	133	DEFUN (show_srv6_locator_detail,
	134	show_srv6_locator_detail_cmd,
	135	"show segment-routing srv6 locator NAME detail [json]",
	136	SHOW_STR
	137	"Segment Routing\n"
	138	"Segment Routing SRv6\n"
	139	"Locator Information\n"
	140	"Locator Name\n"
	141	"Detailed information\n"
	142	JSON_STR)
143	{
144	const bool uj = use_json(argc, argv);
145	struct zebra_srv6 *srv6 = zebra_srv6_get_default();
146	struct srv6_locator *locator;
147	struct listnode *node;
148	char str[256];
149	const char *locator_name = argv[4]->arg;
150
151	if (uj) {
152	vty_out(vty, "JSON format isn't supported\n");
153	return CMD_WARNING;
4df9d859	154	}
00978977	155
4df9d859 HS	156	for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
	157	struct listnode *node;
	158	struct srv6_locator_chunk *chunk;
	159
	160	if (strcmp(locator->name, locator_name) != 0)
	161	continue;
	162
	163	prefix2str(&locator->prefix, str, sizeof(str));
	164	vty_out(vty, "Name: %s\n", locator->name);
	165	vty_out(vty, "Prefix: %s\n", str);
	166	vty_out(vty, "Function-Bit-Len: %u\n",
	167	locator->function_bits_length);
	168
	169	vty_out(vty, "Chunks:\n");
	170	for (ALL_LIST_ELEMENTS_RO((struct list *)locator->chunks, node,
	171	chunk)) {
	172	prefix2str(&chunk->prefix, str, sizeof(str));
	173	vty_out(vty, "- prefix: %s, owner: %s\n", str,
	174	zebra_route_string(chunk->proto));
00978977	175	}
00978977 HS	176	}
00978977 HS	177
4df9d859	178
00978977 HS	179	return CMD_SUCCESS;
	180	}
	181
6c0a7c09 HS	182	DEFUN_NOSH (segment_routing,
	183	segment_routing_cmd,
	184	"segment-routing",
	185	"Segment Routing\n")
	186	{
	187	vty->node = SEGMENT_ROUTING_NODE;
	188	return CMD_SUCCESS;
	189	}
	190
	191	DEFUN_NOSH (srv6,
	192	srv6_cmd,
	193	"srv6",
	194	"Segment Routing SRv6\n")
	195	{
	196	vty->node = SRV6_NODE;
	197	return CMD_SUCCESS;
	198	}
	199
	200	DEFUN_NOSH (srv6_locators,
	201	srv6_locators_cmd,
	202	"locators",
	203	"Segment Routing SRv6 locators\n")
	204	{
	205	vty->node = SRV6_LOCS_NODE;
	206	return CMD_SUCCESS;
	207	}
	208
	209	DEFUN_NOSH (srv6_locator,
	210	srv6_locator_cmd,
	211	"locator WORD",
	212	"Segment Routing SRv6 locator\n"
	213	"Specify locator-name\n")
	214	{
00978977 HS	215	struct srv6_locator *locator = NULL;
	216
	217	locator = zebra_srv6_locator_lookup(argv[1]->arg);
	218	if (locator) {
	219	VTY_PUSH_CONTEXT(SRV6_LOC_NODE, locator);
	220	locator->status_up = true;
	221	return CMD_SUCCESS;
	222	}
	223
	224	locator = srv6_locator_alloc(argv[1]->arg);
	225	if (!locator) {
	226	vty_out(vty, "%% Alloc failed\n");
	227	return CMD_WARNING_CONFIG_FAILED;
	228	}
	229	locator->status_up = true;
	230
	231	VTY_PUSH_CONTEXT(SRV6_LOC_NODE, locator);
6c0a7c09 HS	232	vty->node = SRV6_LOC_NODE;
	233	return CMD_SUCCESS;
	234	}
	235
daedb8b3	236	DEFPY (locator_prefix,
00978977	237	locator_prefix_cmd,
daedb8b3	238	"prefix X:X::X:X/M$prefix [func-bits (16-64)$func_bit_len]",
00978977 HS	239	"Configure SRv6 locator prefix\n"
	240	"Specify SRv6 locator prefix\n"
	241	"Configure SRv6 locator function length in bits\n"
	242	"Specify SRv6 locator function length in bits\n")
	243	{
	244	VTY_DECLVAR_CONTEXT(srv6_locator, locator);
00978977 HS	245	struct srv6_locator_chunk *chunk = NULL;
00978977 HS	246	struct listnode *node = NULL;
00978977	247
daedb8b3	248	locator->prefix = *prefix;
ac6a9479 HS	249
	250	/*
	251	* TODO(slankdev): please support variable node-bit-length.
	252	* In draft-ietf-bess-srv6-services-05#section-3.2.1.
	253	* Locator block length and Locator node length are defined.
	254	* Which are defined as "locator-len == block-len + node-len".
	255	* In current implementation, node bits length is hardcoded as 24.
	256	* It should be supported various val.
	257	*
	258	* Cisco IOS-XR support only following pattern.
	259	* (1) Teh locator length should be 64-bits long.
	260	* (2) The SID block portion (MSBs) cannot exceed 40 bits.
	261	* If this value is less than 40 bits,
	262	* user should use a pattern of zeros as a filler.
	263	* (3) The Node Id portion (LSBs) cannot exceed 24 bits.
	264	*/
	265	locator->block_bits_length = prefix->prefixlen - 24;
	266	locator->node_bits_length = 24;
daedb8b3	267	locator->function_bits_length = func_bit_len;
ac6a9479	268	locator->argument_bits_length = 0;
00978977 HS	269
	270	if (list_isempty(locator->chunks)) {
	271	chunk = srv6_locator_chunk_alloc();
daedb8b3	272	chunk->prefix = *prefix;
00978977 HS	273	chunk->proto = 0;
	274	listnode_add(locator->chunks, chunk);
	275	} else {
	276	for (ALL_LIST_ELEMENTS_RO(locator->chunks, node, chunk)) {
	277	uint8_t zero[16] = {0};
4df9d859	278
00978977 HS	279	if (memcmp(&chunk->prefix.prefix, zero, 16) == 0) {
	280	struct zserv *client;
	281	struct listnode *client_node;
4df9d859	282
daedb8b3	283	chunk->prefix = *prefix;
4df9d859 HS	284	for (ALL_LIST_ELEMENTS_RO(zrouter.client_list,
	285	client_node,
	286	client)) {
	287	struct srv6_locator *tmp;
	288
00978977 HS	289	if (client->proto != chunk->proto)
00978977 HS	290	continue;
f29aed74	291
00978977	292	srv6_manager_get_locator_chunk_call(
4df9d859 HS	293	&tmp, client,
	294	locator->name,
	295	VRF_DEFAULT);
00978977 HS	296	}
	297	}
	298	}
	299	}
	300
	301	zebra_srv6_locator_add(locator);
	302	return CMD_SUCCESS;
	303	}
	304
6c0a7c09 HS	305	static int zebra_sr_config(struct vty *vty)
6c0a7c09 HS	306	{
00978977 HS	307	struct zebra_srv6 *srv6 = zebra_srv6_get_default();
	308	struct listnode *node;
	309	struct srv6_locator *locator;
	310	char str[256];
	311
	312	vty_out(vty, "!\n");
	313	if (zebra_srv6_is_enable()) {
	314	vty_out(vty, "segment-routing\n");
	315	vty_out(vty, " srv6\n");
	316	vty_out(vty, " locators\n");
	317	for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
	318	inet_ntop(AF_INET6, &locator->prefix.prefix,
	319	str, sizeof(str));
	320	vty_out(vty, " locator %s\n", locator->name);
	321	vty_out(vty, " prefix %s/%u\n", str,
	322	locator->prefix.prefixlen);
07679ad9	323	vty_out(vty, " exit\n");
00978977 HS	324	vty_out(vty, " !\n");
00978977 HS	325	}
07679ad9	326	vty_out(vty, " exit\n");
00978977	327	vty_out(vty, " !\n");
07679ad9	328	vty_out(vty, " exit\n");
00978977	329	vty_out(vty, " !\n");
07679ad9	330	vty_out(vty, "exit\n");
00978977 HS	331	vty_out(vty, "!\n");
00978977 HS	332	}
6c0a7c09 HS	333	return 0;
	334	}
	335
	336	void zebra_srv6_vty_init(void)
	337	{
	338	/* Install nodes and its default commands */
	339	install_node(&sr_node);
	340	install_node(&srv6_node);
	341	install_node(&srv6_locs_node);
	342	install_node(&srv6_loc_node);
	343	install_default(SEGMENT_ROUTING_NODE);
	344	install_default(SRV6_NODE);
	345	install_default(SRV6_LOCS_NODE);
	346	install_default(SRV6_LOC_NODE);
	347
	348	/* Command for change node */
	349	install_element(CONFIG_NODE, &segment_routing_cmd);
	350	install_element(SEGMENT_ROUTING_NODE, &srv6_cmd);
	351	install_element(SRV6_NODE, &srv6_locators_cmd);
	352	install_element(SRV6_LOCS_NODE, &srv6_locator_cmd);
00978977 HS	353
	354	/* Command for configuration */
	355	install_element(SRV6_LOC_NODE, &locator_prefix_cmd);
	356
	357	/* Command for operation */
	358	install_element(VIEW_NODE, &show_srv6_locator_cmd);
	359	install_element(VIEW_NODE, &show_srv6_locator_detail_cmd);
6c0a7c09	360	}