[mirror_frr.git] / lib / srv6.c

/*
 * SRv6 definitions
 * 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 "srv6.h"
#include "log.h"

DEFINE_QOBJ_TYPE(srv6_locator);
DEFINE_MTYPE_STATIC(LIB, SRV6_LOCATOR, "SRV6 locator");
DEFINE_MTYPE_STATIC(LIB, SRV6_LOCATOR_CHUNK, "SRV6 locator chunk");

const char *seg6local_action2str(uint32_t action)
{
	switch (action) {
	case ZEBRA_SEG6_LOCAL_ACTION_END:
		return "End";
	case ZEBRA_SEG6_LOCAL_ACTION_END_X:
		return "End.X";
	case ZEBRA_SEG6_LOCAL_ACTION_END_T:
		return "End.T";
	case ZEBRA_SEG6_LOCAL_ACTION_END_DX2:
		return "End.DX2";
	case ZEBRA_SEG6_LOCAL_ACTION_END_DX6:
		return "End.DX6";
	case ZEBRA_SEG6_LOCAL_ACTION_END_DX4:
		return "End.DX4";
	case ZEBRA_SEG6_LOCAL_ACTION_END_DT6:
		return "End.DT6";
	case ZEBRA_SEG6_LOCAL_ACTION_END_DT4:
		return "End.DT4";
	case ZEBRA_SEG6_LOCAL_ACTION_END_B6:
		return "End.B6";
	case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP:
		return "End.B6.Encap";
	case ZEBRA_SEG6_LOCAL_ACTION_END_BM:
		return "End.BM";
	case ZEBRA_SEG6_LOCAL_ACTION_END_S:
		return "End.S";
	case ZEBRA_SEG6_LOCAL_ACTION_END_AS:
		return "End.AS";
	case ZEBRA_SEG6_LOCAL_ACTION_END_AM:
		return "End.AM";
	case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
		return "End.DT46";
	case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC:
		return "unspec";
	default:
		return "unknown";
	}
}

int snprintf_seg6_segs(char *str,
		size_t size, const struct seg6_segs *segs)
{
	str[0] = '\0';
	for (size_t i = 0; i < segs->num_segs; i++) {
		char addr[INET6_ADDRSTRLEN];
		bool not_last = (i + 1) < segs->num_segs;

		inet_ntop(AF_INET6, &segs->segs[i], addr, sizeof(addr));
		strlcat(str, addr, size);
		strlcat(str, not_last ? "," : "", size);
	}
	return strlen(str);
}

const char *seg6local_context2str(char *str, size_t size,
				  const struct seg6local_context *ctx,
				  uint32_t action)
{
	switch (action) {

	case ZEBRA_SEG6_LOCAL_ACTION_END:
		snprintf(str, size, "USP");
		return str;

	case ZEBRA_SEG6_LOCAL_ACTION_END_X:
	case ZEBRA_SEG6_LOCAL_ACTION_END_DX6:
		snprintfrr(str, size, "nh6 %pI6", &ctx->nh6);
		return str;

	case ZEBRA_SEG6_LOCAL_ACTION_END_DX4:
		snprintfrr(str, size, "nh4 %pI4", &ctx->nh4);
		return str;

	case ZEBRA_SEG6_LOCAL_ACTION_END_T:
	case ZEBRA_SEG6_LOCAL_ACTION_END_DT6:
	case ZEBRA_SEG6_LOCAL_ACTION_END_DT4:
	case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
		snprintf(str, size, "table %u", ctx->table);
		return str;

	case ZEBRA_SEG6_LOCAL_ACTION_END_DX2:
	case ZEBRA_SEG6_LOCAL_ACTION_END_B6:
	case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP:
	case ZEBRA_SEG6_LOCAL_ACTION_END_BM:
	case ZEBRA_SEG6_LOCAL_ACTION_END_S:
	case ZEBRA_SEG6_LOCAL_ACTION_END_AS:
	case ZEBRA_SEG6_LOCAL_ACTION_END_AM:
	case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC:
	default:
		snprintf(str, size, "unknown(%s)", __func__);
		return str;
	}
}

static void srv6_locator_chunk_list_free(void *data)
{
	struct srv6_locator_chunk *chunk = data;

	srv6_locator_chunk_free(&chunk);
}

struct srv6_locator *srv6_locator_alloc(const char *name)
{
	struct srv6_locator *locator = NULL;

	locator = XCALLOC(MTYPE_SRV6_LOCATOR, sizeof(struct srv6_locator));
	strlcpy(locator->name, name, sizeof(locator->name));
	locator->chunks = list_new();
	locator->chunks->del = srv6_locator_chunk_list_free;

	QOBJ_REG(locator, srv6_locator);
	return locator;
}

struct srv6_locator_chunk *srv6_locator_chunk_alloc(void)
{
	struct srv6_locator_chunk *chunk = NULL;

	chunk = XCALLOC(MTYPE_SRV6_LOCATOR_CHUNK,
			sizeof(struct srv6_locator_chunk));
	return chunk;
}

void srv6_locator_free(struct srv6_locator *locator)
{
	if (locator) {
		QOBJ_UNREG(locator);
		list_delete(&locator->chunks);

		XFREE(MTYPE_SRV6_LOCATOR, locator);
	}
}

void srv6_locator_chunk_free(struct srv6_locator_chunk **chunk)
{
	XFREE(MTYPE_SRV6_LOCATOR_CHUNK, *chunk);
}

json_object *srv6_locator_chunk_json(const struct srv6_locator_chunk *chunk)
{
	json_object *jo_root = NULL;

	jo_root = json_object_new_object();
	json_object_string_addf(jo_root, "prefix", "%pFX", &chunk->prefix);
	json_object_string_add(jo_root, "proto",
			       zebra_route_string(chunk->proto));

	return jo_root;
}

json_object *
srv6_locator_chunk_detailed_json(const struct srv6_locator_chunk *chunk)
{
	json_object *jo_root = NULL;

	jo_root = json_object_new_object();

	/* set prefix */
	json_object_string_addf(jo_root, "prefix", "%pFX", &chunk->prefix);

	/* set block_bits_length */
	json_object_int_add(jo_root, "blockBitsLength",
			    chunk->block_bits_length);

	/* set node_bits_length */
	json_object_int_add(jo_root, "nodeBitsLength", chunk->node_bits_length);

	/* set function_bits_length */
	json_object_int_add(jo_root, "functionBitsLength",
			    chunk->function_bits_length);

	/* set argument_bits_length */
	json_object_int_add(jo_root, "argumentBitsLength",
			    chunk->argument_bits_length);

	/* set keep */
	json_object_int_add(jo_root, "keep", chunk->keep);

	/* set proto */
	json_object_string_add(jo_root, "proto",
			       zebra_route_string(chunk->proto));

	/* set instance */
	json_object_int_add(jo_root, "instance", chunk->instance);

	/* set session_id */
	json_object_int_add(jo_root, "sessionId", chunk->session_id);

	return jo_root;
}

json_object *srv6_locator_json(const struct srv6_locator *loc)
{
	struct listnode *node;
	struct srv6_locator_chunk *chunk;
	json_object *jo_root = NULL;
	json_object *jo_chunk = NULL;
	json_object *jo_chunks = NULL;

	jo_root = json_object_new_object();

	/* set name */
	json_object_string_add(jo_root, "name", loc->name);

	/* set prefix */
	json_object_string_addf(jo_root, "prefix", "%pFX", &loc->prefix);

	/* set block_bits_length */
	json_object_int_add(jo_root, "blockBitsLength", loc->block_bits_length);

	/* set node_bits_length */
	json_object_int_add(jo_root, "nodeBitsLength", loc->node_bits_length);

	/* set function_bits_length */
	json_object_int_add(jo_root, "functionBitsLength",
			    loc->function_bits_length);

	/* set argument_bits_length */
	json_object_int_add(jo_root, "argumentBitsLength",
			    loc->argument_bits_length);

	/* set true if the locator is a Micro-segment (uSID) locator */
	if (CHECK_FLAG(loc->flags, SRV6_LOCATOR_USID))
		json_object_string_add(jo_root, "behavior", "usid");

	/* set status_up */
	json_object_boolean_add(jo_root, "statusUp",
				loc->status_up);

	/* set chunks */
	jo_chunks = json_object_new_array();
	json_object_object_add(jo_root, "chunks", jo_chunks);
	for (ALL_LIST_ELEMENTS_RO((struct list *)loc->chunks, node, chunk)) {
		jo_chunk = srv6_locator_chunk_json(chunk);
		json_object_array_add(jo_chunks, jo_chunk);
	}

	return jo_root;
}

json_object *srv6_locator_detailed_json(const struct srv6_locator *loc)
{
	struct listnode *node;
	struct srv6_locator_chunk *chunk;
	json_object *jo_root = NULL;
	json_object *jo_chunk = NULL;
	json_object *jo_chunks = NULL;

	jo_root = json_object_new_object();

	/* set name */
	json_object_string_add(jo_root, "name", loc->name);

	/* set prefix */
	json_object_string_addf(jo_root, "prefix", "%pFX", &loc->prefix);

	/* set block_bits_length */
	json_object_int_add(jo_root, "blockBitsLength", loc->block_bits_length);

	/* set node_bits_length */
	json_object_int_add(jo_root, "nodeBitsLength", loc->node_bits_length);

	/* set function_bits_length */
	json_object_int_add(jo_root, "functionBitsLength",
			    loc->function_bits_length);

	/* set argument_bits_length */
	json_object_int_add(jo_root, "argumentBitsLength",
			    loc->argument_bits_length);

	/* set true if the locator is a Micro-segment (uSID) locator */
	if (CHECK_FLAG(loc->flags, SRV6_LOCATOR_USID))
		json_object_string_add(jo_root, "behavior", "usid");

	/* set algonum */
	json_object_int_add(jo_root, "algoNum", loc->algonum);

	/* set status_up */
	json_object_boolean_add(jo_root, "statusUp", loc->status_up);

	/* set chunks */
	jo_chunks = json_object_new_array();
	json_object_object_add(jo_root, "chunks", jo_chunks);
	for (ALL_LIST_ELEMENTS_RO((struct list *)loc->chunks, node, chunk)) {
		jo_chunk = srv6_locator_chunk_detailed_json(chunk);
		json_object_array_add(jo_chunks, jo_chunk);
	}

	return jo_root;
}
Commit	Line	Data
e496b420 HS	1	/*
	2	* SRv6 definitions
	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
7309092b DL	20	#include "zebra.h"
7309092b DL	21
e496b420 HS	22	#include "srv6.h"
	23	#include "log.h"
	24
f2867068 HS	25	DEFINE_QOBJ_TYPE(srv6_locator);
	26	DEFINE_MTYPE_STATIC(LIB, SRV6_LOCATOR, "SRV6 locator");
	27	DEFINE_MTYPE_STATIC(LIB, SRV6_LOCATOR_CHUNK, "SRV6 locator chunk");
	28
e496b420 HS	29	const char *seg6local_action2str(uint32_t action)
	30	{
	31	switch (action) {
	32	case ZEBRA_SEG6_LOCAL_ACTION_END:
	33	return "End";
	34	case ZEBRA_SEG6_LOCAL_ACTION_END_X:
	35	return "End.X";
	36	case ZEBRA_SEG6_LOCAL_ACTION_END_T:
	37	return "End.T";
	38	case ZEBRA_SEG6_LOCAL_ACTION_END_DX2:
	39	return "End.DX2";
	40	case ZEBRA_SEG6_LOCAL_ACTION_END_DX6:
	41	return "End.DX6";
	42	case ZEBRA_SEG6_LOCAL_ACTION_END_DX4:
	43	return "End.DX4";
	44	case ZEBRA_SEG6_LOCAL_ACTION_END_DT6:
	45	return "End.DT6";
	46	case ZEBRA_SEG6_LOCAL_ACTION_END_DT4:
	47	return "End.DT4";
	48	case ZEBRA_SEG6_LOCAL_ACTION_END_B6:
	49	return "End.B6";
	50	case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP:
	51	return "End.B6.Encap";
	52	case ZEBRA_SEG6_LOCAL_ACTION_END_BM:
	53	return "End.BM";
	54	case ZEBRA_SEG6_LOCAL_ACTION_END_S:
	55	return "End.S";
	56	case ZEBRA_SEG6_LOCAL_ACTION_END_AS:
	57	return "End.AS";
	58	case ZEBRA_SEG6_LOCAL_ACTION_END_AM:
	59	return "End.AM";
8bea07e4 CS	60	case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
8bea07e4 CS	61	return "End.DT46";
e496b420 HS	62	case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC:
	63	return "unspec";
	64	default:
	65	return "unknown";
	66	}
	67	}
	68
	69	int snprintf_seg6_segs(char *str,
	70	size_t size, const struct seg6_segs *segs)
	71	{
	72	str[0] = '\0';
	73	for (size_t i = 0; i < segs->num_segs; i++) {
	74	char addr[INET6_ADDRSTRLEN];
	75	bool not_last = (i + 1) < segs->num_segs;
	76
	77	inet_ntop(AF_INET6, &segs->segs[i], addr, sizeof(addr));
	78	strlcat(str, addr, size);
	79	strlcat(str, not_last ? "," : "", size);
	80	}
	81	return strlen(str);
	82	}
	83
	84	const char seg6local_context2str(char str, size_t size,
7a4b49bd HS	85	const struct seg6local_context *ctx,
7a4b49bd HS	86	uint32_t action)
e496b420	87	{
e496b420 HS	88	switch (action) {
	89
	90	case ZEBRA_SEG6_LOCAL_ACTION_END:
	91	snprintf(str, size, "USP");
	92	return str;
	93
	94	case ZEBRA_SEG6_LOCAL_ACTION_END_X:
	95	case ZEBRA_SEG6_LOCAL_ACTION_END_DX6:
84410eb0	96	snprintfrr(str, size, "nh6 %pI6", &ctx->nh6);
e496b420 HS	97	return str;
	98
	99	case ZEBRA_SEG6_LOCAL_ACTION_END_DX4:
84410eb0	100	snprintfrr(str, size, "nh4 %pI4", &ctx->nh4);
e496b420 HS	101	return str;
	102
	103	case ZEBRA_SEG6_LOCAL_ACTION_END_T:
	104	case ZEBRA_SEG6_LOCAL_ACTION_END_DT6:
	105	case ZEBRA_SEG6_LOCAL_ACTION_END_DT4:
8bea07e4	106	case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
e496b420 HS	107	snprintf(str, size, "table %u", ctx->table);
	108	return str;
	109
	110	case ZEBRA_SEG6_LOCAL_ACTION_END_DX2:
	111	case ZEBRA_SEG6_LOCAL_ACTION_END_B6:
	112	case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP:
	113	case ZEBRA_SEG6_LOCAL_ACTION_END_BM:
	114	case ZEBRA_SEG6_LOCAL_ACTION_END_S:
	115	case ZEBRA_SEG6_LOCAL_ACTION_END_AS:
	116	case ZEBRA_SEG6_LOCAL_ACTION_END_AM:
	117	case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC:
	118	default:
	119	snprintf(str, size, "unknown(%s)", __func__);
	120	return str;
	121	}
	122	}
f2867068	123
1fec35c3 DS	124	static void srv6_locator_chunk_list_free(void *data)
	125	{
	126	struct srv6_locator_chunk *chunk = data;
	127
	128	srv6_locator_chunk_free(&chunk);
	129	}
	130
f2867068 HS	131	struct srv6_locator srv6_locator_alloc(const char name)
	132	{
	133	struct srv6_locator *locator = NULL;
	134
	135	locator = XCALLOC(MTYPE_SRV6_LOCATOR, sizeof(struct srv6_locator));
	136	strlcpy(locator->name, name, sizeof(locator->name));
	137	locator->chunks = list_new();
1fec35c3	138	locator->chunks->del = srv6_locator_chunk_list_free;
4b220ad0	139
f2867068 HS	140	QOBJ_REG(locator, srv6_locator);
	141	return locator;
	142	}
	143
	144	struct srv6_locator_chunk *srv6_locator_chunk_alloc(void)
	145	{
	146	struct srv6_locator_chunk *chunk = NULL;
	147
	148	chunk = XCALLOC(MTYPE_SRV6_LOCATOR_CHUNK,
	149	sizeof(struct srv6_locator_chunk));
	150	return chunk;
	151	}
	152
	153	void srv6_locator_free(struct srv6_locator *locator)
	154	{
4b220ad0 MS	155	if (locator) {
	156	QOBJ_UNREG(locator);
	157	list_delete(&locator->chunks);
	158
	159	XFREE(MTYPE_SRV6_LOCATOR, locator);
	160	}
f2867068 HS	161	}
f2867068 HS	162
69467313	163	void srv6_locator_chunk_free(struct srv6_locator_chunk **chunk)
f2867068	164	{
69467313	165	XFREE(MTYPE_SRV6_LOCATOR_CHUNK, *chunk);
f2867068 HS	166	}
	167
	168	json_object srv6_locator_chunk_json(const struct srv6_locator_chunk chunk)
	169	{
f2867068 HS	170	json_object *jo_root = NULL;
	171
	172	jo_root = json_object_new_object();
a6c86424	173	json_object_string_addf(jo_root, "prefix", "%pFX", &chunk->prefix);
f2867068 HS	174	json_object_string_add(jo_root, "proto",
	175	zebra_route_string(chunk->proto));
	176
	177	return jo_root;
	178	}
	179
559f4b2f YS	180	json_object *
	181	srv6_locator_chunk_detailed_json(const struct srv6_locator_chunk *chunk)
	182	{
	183	json_object *jo_root = NULL;
	184
	185	jo_root = json_object_new_object();
	186
	187	/* set prefix */
	188	json_object_string_addf(jo_root, "prefix", "%pFX", &chunk->prefix);
	189
	190	/* set block_bits_length */
	191	json_object_int_add(jo_root, "blockBitsLength",
	192	chunk->block_bits_length);
	193
	194	/* set node_bits_length */
	195	json_object_int_add(jo_root, "nodeBitsLength", chunk->node_bits_length);
	196
	197	/* set function_bits_length */
	198	json_object_int_add(jo_root, "functionBitsLength",
	199	chunk->function_bits_length);
	200
	201	/* set argument_bits_length */
	202	json_object_int_add(jo_root, "argumentBitsLength",
	203	chunk->argument_bits_length);
	204
	205	/* set keep */
	206	json_object_int_add(jo_root, "keep", chunk->keep);
	207
	208	/* set proto */
	209	json_object_string_add(jo_root, "proto",
	210	zebra_route_string(chunk->proto));
	211
	212	/* set instance */
	213	json_object_int_add(jo_root, "instance", chunk->instance);
	214
	215	/* set session_id */
	216	json_object_int_add(jo_root, "sessionId", chunk->session_id);
	217
	218	return jo_root;
	219	}
	220
f2867068 HS	221	json_object srv6_locator_json(const struct srv6_locator loc)
f2867068 HS	222	{
f2867068 HS	223	struct listnode *node;
	224	struct srv6_locator_chunk *chunk;
	225	json_object *jo_root = NULL;
	226	json_object *jo_chunk = NULL;
	227	json_object *jo_chunks = NULL;
	228
	229	jo_root = json_object_new_object();
	230
	231	/* set name */
	232	json_object_string_add(jo_root, "name", loc->name);
	233
	234	/* set prefix */
a6c86424	235	json_object_string_addf(jo_root, "prefix", "%pFX", &loc->prefix);
f2867068	236
696f4370 CS	237	/* set block_bits_length */
	238	json_object_int_add(jo_root, "blockBitsLength", loc->block_bits_length);
	239
	240	/* set node_bits_length */
	241	json_object_int_add(jo_root, "nodeBitsLength", loc->node_bits_length);
	242
f2867068	243	/* set function_bits_length */
326591dc	244	json_object_int_add(jo_root, "functionBitsLength",
f2867068 HS	245	loc->function_bits_length);
f2867068 HS	246
696f4370 CS	247	/* set argument_bits_length */
	248	json_object_int_add(jo_root, "argumentBitsLength",
	249	loc->argument_bits_length);
	250
a3ff3dff CS	251	/* set true if the locator is a Micro-segment (uSID) locator */
	252	if (CHECK_FLAG(loc->flags, SRV6_LOCATOR_USID))
	253	json_object_string_add(jo_root, "behavior", "usid");
	254
f2867068	255	/* set status_up */
326591dc	256	json_object_boolean_add(jo_root, "statusUp",
f2867068 HS	257	loc->status_up);
	258
	259	/* set chunks */
	260	jo_chunks = json_object_new_array();
	261	json_object_object_add(jo_root, "chunks", jo_chunks);
	262	for (ALL_LIST_ELEMENTS_RO((struct list *)loc->chunks, node, chunk)) {
	263	jo_chunk = srv6_locator_chunk_json(chunk);
	264	json_object_array_add(jo_chunks, jo_chunk);
	265	}
	266
	267	return jo_root;
	268	}
559f4b2f YS	269
	270	json_object srv6_locator_detailed_json(const struct srv6_locator loc)
	271	{
	272	struct listnode *node;
	273	struct srv6_locator_chunk *chunk;
	274	json_object *jo_root = NULL;
	275	json_object *jo_chunk = NULL;
	276	json_object *jo_chunks = NULL;
	277
	278	jo_root = json_object_new_object();
	279
	280	/* set name */
	281	json_object_string_add(jo_root, "name", loc->name);
	282
	283	/* set prefix */
	284	json_object_string_addf(jo_root, "prefix", "%pFX", &loc->prefix);
	285
	286	/* set block_bits_length */
	287	json_object_int_add(jo_root, "blockBitsLength", loc->block_bits_length);
	288
	289	/* set node_bits_length */
	290	json_object_int_add(jo_root, "nodeBitsLength", loc->node_bits_length);
	291
	292	/* set function_bits_length */
	293	json_object_int_add(jo_root, "functionBitsLength",
	294	loc->function_bits_length);
	295
	296	/* set argument_bits_length */
	297	json_object_int_add(jo_root, "argumentBitsLength",
	298	loc->argument_bits_length);
	299
a3ff3dff CS	300	/* set true if the locator is a Micro-segment (uSID) locator */
	301	if (CHECK_FLAG(loc->flags, SRV6_LOCATOR_USID))
	302	json_object_string_add(jo_root, "behavior", "usid");
	303
559f4b2f YS	304	/* set algonum */
	305	json_object_int_add(jo_root, "algoNum", loc->algonum);
	306
	307	/* set status_up */
	308	json_object_boolean_add(jo_root, "statusUp", loc->status_up);
	309
	310	/* set chunks */
	311	jo_chunks = json_object_new_array();
	312	json_object_object_add(jo_root, "chunks", jo_chunks);
	313	for (ALL_LIST_ELEMENTS_RO((struct list *)loc->chunks, node, chunk)) {
	314	jo_chunk = srv6_locator_chunk_detailed_json(chunk);
	315	json_object_array_add(jo_chunks, jo_chunk);
	316	}
	317
	318	return jo_root;
	319	}