[mirror_frr.git] / sharpd / sharp_zebra.c

/*
 * Zebra connect code.
 * Copyright (C) Cumulus Networks, Inc.
 *               Donald Sharp
 *
 * This file is part of FRR.
 *
 * FRR 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, or (at your option) any
 * later version.
 *
 * FRR 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 "thread.h"
#include "command.h"
#include "network.h"
#include "prefix.h"
#include "routemap.h"
#include "table.h"
#include "stream.h"
#include "memory.h"
#include "zclient.h"
#include "filter.h"
#include "plist.h"
#include "log.h"
#include "nexthop.h"
#include "nexthop_group.h"

#include "sharp_globals.h"
#include "sharp_nht.h"
#include "sharp_zebra.h"

/* Zebra structure to hold current status. */
struct zclient *zclient = NULL;

/* For registering threads. */
extern struct thread_master *master;

static struct interface *zebra_interface_if_lookup(struct stream *s)
{
	char ifname_tmp[INTERFACE_NAMSIZ];

	/* Read interface name. */
	stream_get(ifname_tmp, s, INTERFACE_NAMSIZ);

	/* And look it up. */
	return if_lookup_by_name(ifname_tmp, VRF_DEFAULT);
}

/* Inteface addition message from zebra. */
static int interface_add(ZAPI_CALLBACK_ARGS)
{
	struct interface *ifp;

	ifp = zebra_interface_add_read(zclient->ibuf, vrf_id);

	if (!ifp->info)
		return 0;

	return 0;
}

static int interface_delete(ZAPI_CALLBACK_ARGS)
{
	struct interface *ifp;
	struct stream *s;

	s = zclient->ibuf;
	/* zebra_interface_state_read () updates interface structure in iflist
	 */
	ifp = zebra_interface_state_read(s, vrf_id);

	if (ifp == NULL)
		return 0;

	if_set_index(ifp, IFINDEX_INTERNAL);

	return 0;
}

static int interface_address_add(ZAPI_CALLBACK_ARGS)
{

	zebra_interface_address_read(cmd, zclient->ibuf, vrf_id);

	return 0;
}

static int interface_address_delete(ZAPI_CALLBACK_ARGS)
{
	struct connected *c;

	c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id);

	if (!c)
		return 0;

	connected_free(c);
	return 0;
}

static int interface_state_up(ZAPI_CALLBACK_ARGS)
{

	zebra_interface_if_lookup(zclient->ibuf);

	return 0;
}

static int interface_state_down(ZAPI_CALLBACK_ARGS)
{

	zebra_interface_state_read(zclient->ibuf, vrf_id);

	return 0;
}

void sharp_install_routes_helper(struct prefix *p, vrf_id_t vrf_id,
				 uint8_t instance, struct nexthop_group *nhg,
				 uint32_t routes)
{
	uint32_t temp, i;
	bool v4 = false;

	zlog_debug("Inserting %u routes", routes);

	if (p->family == AF_INET) {
		v4 = true;
		temp = ntohl(p->u.prefix4.s_addr);
	} else
		temp = ntohl(p->u.val32[3]);

	monotime(&sg.r.t_start);
	for (i = 0; i < routes; i++) {
		route_add(p, vrf_id, (uint8_t)instance, nhg);
		if (v4)
			p->u.prefix4.s_addr = htonl(++temp);
		else
			p->u.val32[3] = htonl(++temp);
	}
}

void sharp_remove_routes_helper(struct prefix *p, vrf_id_t vrf_id,
				uint8_t instance, uint32_t routes)
{
	uint32_t temp, i;
	bool v4 = false;

	zlog_debug("Removing %u routes", routes);

	if (p->family == AF_INET) {
		v4 = true;
		temp = ntohl(p->u.prefix4.s_addr);
	} else
		temp = ntohl(p->u.val32[3]);

	monotime(&sg.r.t_start);
	for (i = 0; i < routes; i++) {
		route_delete(p, vrf_id, (uint8_t)instance);
		if (v4)
			p->u.prefix4.s_addr = htonl(++temp);
		else
			p->u.val32[3] = htonl(++temp);
	}
}

static void handle_repeated(bool installed)
{
	struct prefix p = sg.r.orig_prefix;
	sg.r.repeat--;

	if (sg.r.repeat <= 0)
		return;

	if (installed) {
		sg.r.removed_routes = 0;
		sharp_remove_routes_helper(&p, sg.r.vrf_id,
					   sg.r.inst, sg.r.total_routes);
	}

	if (installed) {
		sg.r.installed_routes = 0;
		sharp_install_routes_helper(&p, sg.r.vrf_id, sg.r.inst,
					    &sg.r.nhop_group,
					    sg.r.total_routes);
	}
}

static int route_notify_owner(ZAPI_CALLBACK_ARGS)
{
	struct timeval r;
	struct prefix p;
	enum zapi_route_notify_owner note;
	uint32_t table;

	if (!zapi_route_notify_decode(zclient->ibuf, &p, &table, &note))
		return -1;

	switch (note) {
	case ZAPI_ROUTE_INSTALLED:
		sg.r.installed_routes++;
		if (sg.r.total_routes == sg.r.installed_routes) {
			monotime(&sg.r.t_end);
			timersub(&sg.r.t_end, &sg.r.t_start, &r);
			zlog_debug("Installed All Items %ld.%ld", r.tv_sec,
				   r.tv_usec);
			handle_repeated(true);
		}
		break;
	case ZAPI_ROUTE_FAIL_INSTALL:
		zlog_debug("Failed install of route");
		break;
	case ZAPI_ROUTE_BETTER_ADMIN_WON:
		zlog_debug("Better Admin Distance won over us");
		break;
	case ZAPI_ROUTE_REMOVED:
		sg.r.removed_routes++;
		if (sg.r.total_routes == sg.r.removed_routes) {
			monotime(&sg.r.t_end);
			timersub(&sg.r.t_end, &sg.r.t_start, &r);
			zlog_debug("Removed all Items %ld.%ld", r.tv_sec,
				   r.tv_usec);
			handle_repeated(false);
		}
		break;
	case ZAPI_ROUTE_REMOVE_FAIL:
		zlog_debug("Route removal Failure");
		break;
	}
	return 0;
}

static void zebra_connected(struct zclient *zclient)
{
	zclient_send_reg_requests(zclient, VRF_DEFAULT);
}

void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label)
{
	zclient_send_vrf_label(zclient, vrf_id, afi, label, ZEBRA_LSP_SHARP);
}

void route_add(struct prefix *p, vrf_id_t vrf_id,
	       uint8_t instance, struct nexthop_group *nhg)
{
	struct zapi_route api;
	struct zapi_nexthop *api_nh;
	struct nexthop *nh;
	int i = 0;

	memset(&api, 0, sizeof(api));
	api.vrf_id = vrf_id;
	api.type = ZEBRA_ROUTE_SHARP;
	api.instance = instance;
	api.safi = SAFI_UNICAST;
	memcpy(&api.prefix, p, sizeof(*p));

	SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION);
	SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);

	for (ALL_NEXTHOPS_PTR(nhg, nh)) {
		api_nh = &api.nexthops[i];
		api_nh->vrf_id = nh->vrf_id;
		api_nh->type = nh->type;
		switch (nh->type) {
		case NEXTHOP_TYPE_IPV4:
			api_nh->gate = nh->gate;
			break;
		case NEXTHOP_TYPE_IPV4_IFINDEX:
			api_nh->gate = nh->gate;
			api_nh->ifindex = nh->ifindex;
			break;
		case NEXTHOP_TYPE_IFINDEX:
			api_nh->ifindex = nh->ifindex;
			break;
		case NEXTHOP_TYPE_IPV6:
			memcpy(&api_nh->gate.ipv6, &nh->gate.ipv6, 16);
			break;
		case NEXTHOP_TYPE_IPV6_IFINDEX:
			api_nh->ifindex = nh->ifindex;
			memcpy(&api_nh->gate.ipv6, &nh->gate.ipv6, 16);
			break;
		case NEXTHOP_TYPE_BLACKHOLE:
			api_nh->bh_type = nh->bh_type;
			break;
		}
		i++;
	}
	api.nexthop_num = i;

	zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api);
}

void route_delete(struct prefix *p, vrf_id_t vrf_id, uint8_t instance)
{
	struct zapi_route api;

	memset(&api, 0, sizeof(api));
	api.vrf_id = vrf_id;
	api.type = ZEBRA_ROUTE_SHARP;
	api.safi = SAFI_UNICAST;
	api.instance = instance;
	memcpy(&api.prefix, p, sizeof(*p));
	zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api);

	return;
}

void sharp_zebra_nexthop_watch(struct prefix *p, vrf_id_t vrf_id, bool import,
			       bool watch, bool connected)
{
	int command;

	if (!import) {
		command = ZEBRA_NEXTHOP_REGISTER;

		if (!watch)
			command = ZEBRA_NEXTHOP_UNREGISTER;
	} else {
		command = ZEBRA_IMPORT_ROUTE_REGISTER;

		if (!watch)
			command = ZEBRA_IMPORT_ROUTE_UNREGISTER;
	}

	if (zclient_send_rnh(zclient, command, p, connected, vrf_id) < 0)
		zlog_warn("%s: Failure to send nexthop to zebra",
			  __PRETTY_FUNCTION__);
}

static int sharp_nexthop_update(ZAPI_CALLBACK_ARGS)
{
	struct sharp_nh_tracker *nht;
	struct zapi_route nhr;
	char buf[PREFIX_STRLEN];
	int i;

	if (!zapi_nexthop_update_decode(zclient->ibuf, &nhr)) {
		zlog_warn("%s: Decode of update failed", __PRETTY_FUNCTION__);

		return 0;
	}

	zlog_debug("Received update for %s",
		   prefix2str(&nhr.prefix, buf, sizeof(buf)));

	nht = sharp_nh_tracker_get(&nhr.prefix);
	nht->nhop_num = nhr.nexthop_num;
	nht->updates++;

	for (i = 0; i < nhr.nexthop_num; i++) {
		struct zapi_nexthop *znh = &nhr.nexthops[i];

		switch (znh->type) {
		case NEXTHOP_TYPE_IPV4_IFINDEX:
		case NEXTHOP_TYPE_IPV4:
			zlog_debug(
				"\tNexthop %s, type: %d, ifindex: %d, vrf: %d, label_num: %d",
				inet_ntop(AF_INET, &znh->gate.ipv4.s_addr, buf,
					  sizeof(buf)),
				znh->type, znh->ifindex, znh->vrf_id,
				znh->label_num);
			break;
		case NEXTHOP_TYPE_IPV6_IFINDEX:
		case NEXTHOP_TYPE_IPV6:
			zlog_debug(
				"\tNexthop %s, type: %d, ifindex: %d, vrf: %d, label_num: %d",
				inet_ntop(AF_INET6, &znh->gate.ipv6, buf,
					  sizeof(buf)),
				znh->type, znh->ifindex, znh->vrf_id,
				znh->label_num);
			break;
		case NEXTHOP_TYPE_IFINDEX:
			zlog_debug("\tNexthop IFINDEX: %d, ifindex: %d",
				   znh->type, znh->ifindex);
			break;
		case NEXTHOP_TYPE_BLACKHOLE:
			zlog_debug("\tNexthop blackhole");
			break;
		}
	}
	return 0;
}

extern struct zebra_privs_t sharp_privs;

void sharp_zebra_init(void)
{
	struct zclient_options opt = {.receive_notify = true};

	zclient = zclient_new(master, &opt);

	zclient_init(zclient, ZEBRA_ROUTE_SHARP, 0, &sharp_privs);
	zclient->zebra_connected = zebra_connected;
	zclient->interface_add = interface_add;
	zclient->interface_delete = interface_delete;
	zclient->interface_up = interface_state_up;
	zclient->interface_down = interface_state_down;
	zclient->interface_address_add = interface_address_add;
	zclient->interface_address_delete = interface_address_delete;
	zclient->route_notify_owner = route_notify_owner;
	zclient->nexthop_update = sharp_nexthop_update;
	zclient->import_check_update = sharp_nexthop_update;
}
Commit	Line	Data
8a71d93d DS	1	/*
	2	* Zebra connect code.
	3	* Copyright (C) Cumulus Networks, Inc.
	4	* Donald Sharp
	5	*
	6	* This file is part of FRR.
	7	*
	8	* FRR is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2, or (at your option) any
	11	* later version.
	12	*
	13	* FRR is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for 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 "thread.h"
	25	#include "command.h"
	26	#include "network.h"
	27	#include "prefix.h"
	28	#include "routemap.h"
	29	#include "table.h"
	30	#include "stream.h"
	31	#include "memory.h"
	32	#include "zclient.h"
	33	#include "filter.h"
	34	#include "plist.h"
	35	#include "log.h"
	36	#include "nexthop.h"
694b242f	37	#include "nexthop_group.h"
8a71d93d	38
547dc642	39	#include "sharp_globals.h"
86da53ab	40	#include "sharp_nht.h"
8a71d93d DS	41	#include "sharp_zebra.h"
	42
	43	/* Zebra structure to hold current status. */
	44	struct zclient *zclient = NULL;
	45
	46	/* For registering threads. */
	47	extern struct thread_master *master;
	48
	49	static struct interface zebra_interface_if_lookup(struct stream s)
	50	{
	51	char ifname_tmp[INTERFACE_NAMSIZ];
	52
	53	/* Read interface name. */
	54	stream_get(ifname_tmp, s, INTERFACE_NAMSIZ);
	55
	56	/* And look it up. */
	57	return if_lookup_by_name(ifname_tmp, VRF_DEFAULT);
	58	}
	59
	60	/* Inteface addition message from zebra. */
121f9dee	61	static int interface_add(ZAPI_CALLBACK_ARGS)
8a71d93d DS	62	{
	63	struct interface *ifp;
	64
	65	ifp = zebra_interface_add_read(zclient->ibuf, vrf_id);
	66
	67	if (!ifp->info)
	68	return 0;
	69
	70	return 0;
	71	}
	72
121f9dee	73	static int interface_delete(ZAPI_CALLBACK_ARGS)
8a71d93d DS	74	{
	75	struct interface *ifp;
	76	struct stream *s;
	77
	78	s = zclient->ibuf;
	79	/* zebra_interface_state_read () updates interface structure in iflist
	80	*/
	81	ifp = zebra_interface_state_read(s, vrf_id);
	82
	83	if (ifp == NULL)
	84	return 0;
	85
	86	if_set_index(ifp, IFINDEX_INTERNAL);
	87
	88	return 0;
	89	}
	90
121f9dee	91	static int interface_address_add(ZAPI_CALLBACK_ARGS)
8a71d93d DS	92	{
8a71d93d DS	93
121f9dee	94	zebra_interface_address_read(cmd, zclient->ibuf, vrf_id);
8a71d93d DS	95
	96	return 0;
	97	}
	98
121f9dee	99	static int interface_address_delete(ZAPI_CALLBACK_ARGS)
8a71d93d DS	100	{
	101	struct connected *c;
	102
121f9dee	103	c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id);
8a71d93d DS	104
	105	if (!c)
	106	return 0;
	107
	108	connected_free(c);
	109	return 0;
	110	}
	111
121f9dee	112	static int interface_state_up(ZAPI_CALLBACK_ARGS)
8a71d93d DS	113	{
	114
	115	zebra_interface_if_lookup(zclient->ibuf);
	116
	117	return 0;
	118	}
	119
121f9dee	120	static int interface_state_down(ZAPI_CALLBACK_ARGS)
8a71d93d DS	121	{
	122
	123	zebra_interface_state_read(zclient->ibuf, vrf_id);
	124
	125	return 0;
	126	}
	127
0cf08685 DS	128	void sharp_install_routes_helper(struct prefix *p, vrf_id_t vrf_id,
0cf08685 DS	129	uint8_t instance, struct nexthop_group *nhg,
6b98d34f DS	130	uint32_t routes)
	131	{
	132	uint32_t temp, i;
dbc1bf46	133	bool v4 = false;
6b98d34f DS	134
	135	zlog_debug("Inserting %u routes", routes);
	136
dbc1bf46 DS	137	if (p->family == AF_INET) {
	138	v4 = true;
	139	temp = ntohl(p->u.prefix4.s_addr);
	140	} else
	141	temp = ntohl(p->u.val32[3]);
	142
547dc642	143	monotime(&sg.r.t_start);
6b98d34f	144	for (i = 0; i < routes; i++) {
0cf08685	145	route_add(p, vrf_id, (uint8_t)instance, nhg);
dbc1bf46 DS	146	if (v4)
	147	p->u.prefix4.s_addr = htonl(++temp);
	148	else
	149	p->u.val32[3] = htonl(++temp);
6b98d34f DS	150	}
	151	}
	152
0cf08685 DS	153	void sharp_remove_routes_helper(struct prefix *p, vrf_id_t vrf_id,
0cf08685 DS	154	uint8_t instance, uint32_t routes)
6b98d34f DS	155	{
6b98d34f DS	156	uint32_t temp, i;
dbc1bf46	157	bool v4 = false;
6b98d34f DS	158
	159	zlog_debug("Removing %u routes", routes);
	160
dbc1bf46 DS	161	if (p->family == AF_INET) {
	162	v4 = true;
	163	temp = ntohl(p->u.prefix4.s_addr);
	164	} else
	165	temp = ntohl(p->u.val32[3]);
	166
547dc642	167	monotime(&sg.r.t_start);
6b98d34f	168	for (i = 0; i < routes; i++) {
0cf08685	169	route_delete(p, vrf_id, (uint8_t)instance);
dbc1bf46 DS	170	if (v4)
	171	p->u.prefix4.s_addr = htonl(++temp);
	172	else
	173	p->u.val32[3] = htonl(++temp);
6b98d34f DS	174	}
	175	}
	176
b939f6ff	177	static void handle_repeated(bool installed)
6b98d34f	178	{
547dc642 DS	179	struct prefix p = sg.r.orig_prefix;
547dc642 DS	180	sg.r.repeat--;
6b98d34f	181
547dc642	182	if (sg.r.repeat <= 0)
6b98d34f DS	183	return;
	184
	185	if (installed) {
547dc642	186	sg.r.removed_routes = 0;
0cf08685 DS	187	sharp_remove_routes_helper(&p, sg.r.vrf_id,
0cf08685 DS	188	sg.r.inst, sg.r.total_routes);
6b98d34f DS	189	}
6b98d34f DS	190
547dc642 DS	191	if (installed) {
547dc642 DS	192	sg.r.installed_routes = 0;
0cf08685 DS	193	sharp_install_routes_helper(&p, sg.r.vrf_id, sg.r.inst,
0cf08685 DS	194	&sg.r.nhop_group,
547dc642	195	sg.r.total_routes);
6b98d34f DS	196	}
	197	}
	198
121f9dee	199	static int route_notify_owner(ZAPI_CALLBACK_ARGS)
8a71d93d	200	{
25c84d86	201	struct timeval r;
8a71d93d DS	202	struct prefix p;
8a71d93d DS	203	enum zapi_route_notify_owner note;
28610f7e	204	uint32_t table;
8a71d93d	205
28610f7e	206	if (!zapi_route_notify_decode(zclient->ibuf, &p, &table, &note))
8a71d93d DS	207	return -1;
8a71d93d DS	208
5e54c602 DS	209	switch (note) {
5e54c602 DS	210	case ZAPI_ROUTE_INSTALLED:
547dc642 DS	211	sg.r.installed_routes++;
	212	if (sg.r.total_routes == sg.r.installed_routes) {
	213	monotime(&sg.r.t_end);
	214	timersub(&sg.r.t_end, &sg.r.t_start, &r);
25c84d86 DS	215	zlog_debug("Installed All Items %ld.%ld", r.tv_sec,
25c84d86 DS	216	r.tv_usec);
6b98d34f DS	217	handle_repeated(true);
6b98d34f DS	218	}
5e54c602 DS	219	break;
	220	case ZAPI_ROUTE_FAIL_INSTALL:
	221	zlog_debug("Failed install of route");
	222	break;
	223	case ZAPI_ROUTE_BETTER_ADMIN_WON:
	224	zlog_debug("Better Admin Distance won over us");
	225	break;
	226	case ZAPI_ROUTE_REMOVED:
547dc642 DS	227	sg.r.removed_routes++;
	228	if (sg.r.total_routes == sg.r.removed_routes) {
	229	monotime(&sg.r.t_end);
	230	timersub(&sg.r.t_end, &sg.r.t_start, &r);
25c84d86 DS	231	zlog_debug("Removed all Items %ld.%ld", r.tv_sec,
25c84d86 DS	232	r.tv_usec);
6b98d34f DS	233	handle_repeated(false);
6b98d34f DS	234	}
5e54c602 DS	235	break;
	236	case ZAPI_ROUTE_REMOVE_FAIL:
	237	zlog_debug("Route removal Failure");
	238	break;
	239	}
8a71d93d DS	240	return 0;
	241	}
	242
	243	static void zebra_connected(struct zclient *zclient)
	244	{
	245	zclient_send_reg_requests(zclient, VRF_DEFAULT);
	246	}
	247
7d061b3c	248	void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label)
ab18a495	249	{
7d061b3c	250	zclient_send_vrf_label(zclient, vrf_id, afi, label, ZEBRA_LSP_SHARP);
ab18a495 DS	251	}
ab18a495 DS	252
0cf08685 DS	253	void route_add(struct prefix *p, vrf_id_t vrf_id,
0cf08685 DS	254	uint8_t instance, struct nexthop_group *nhg)
8a71d93d DS	255	{
	256	struct zapi_route api;
	257	struct zapi_nexthop *api_nh;
694b242f DS	258	struct nexthop *nh;
694b242f DS	259	int i = 0;
8a71d93d DS	260
8a71d93d DS	261	memset(&api, 0, sizeof(api));
0cf08685	262	api.vrf_id = vrf_id;
8a71d93d	263	api.type = ZEBRA_ROUTE_SHARP;
ae252c02	264	api.instance = instance;
8a71d93d DS	265	api.safi = SAFI_UNICAST;
	266	memcpy(&api.prefix, p, sizeof(*p));
	267
a3896844	268	SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION);
8a71d93d DS	269	SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
8a71d93d DS	270
694b242f DS	271	for (ALL_NEXTHOPS_PTR(nhg, nh)) {
694b242f DS	272	api_nh = &api.nexthops[i];
0cf08685	273	api_nh->vrf_id = nh->vrf_id;
694b242f DS	274	api_nh->type = nh->type;
	275	switch (nh->type) {
	276	case NEXTHOP_TYPE_IPV4:
	277	api_nh->gate = nh->gate;
	278	break;
	279	case NEXTHOP_TYPE_IPV4_IFINDEX:
	280	api_nh->gate = nh->gate;
	281	api_nh->ifindex = nh->ifindex;
	282	break;
	283	case NEXTHOP_TYPE_IFINDEX:
	284	api_nh->ifindex = nh->ifindex;
	285	break;
	286	case NEXTHOP_TYPE_IPV6:
	287	memcpy(&api_nh->gate.ipv6, &nh->gate.ipv6, 16);
	288	break;
	289	case NEXTHOP_TYPE_IPV6_IFINDEX:
	290	api_nh->ifindex = nh->ifindex;
	291	memcpy(&api_nh->gate.ipv6, &nh->gate.ipv6, 16);
	292	break;
	293	case NEXTHOP_TYPE_BLACKHOLE:
	294	api_nh->bh_type = nh->bh_type;
	295	break;
	296	}
	297	i++;
	298	}
	299	api.nexthop_num = i;
8a71d93d DS	300
	301	zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api);
	302	}
	303
0cf08685	304	void route_delete(struct prefix *p, vrf_id_t vrf_id, uint8_t instance)
8a71d93d DS	305	{
	306	struct zapi_route api;
	307
	308	memset(&api, 0, sizeof(api));
0cf08685	309	api.vrf_id = vrf_id;
8a71d93d DS	310	api.type = ZEBRA_ROUTE_SHARP;
8a71d93d DS	311	api.safi = SAFI_UNICAST;
ae252c02	312	api.instance = instance;
8a71d93d DS	313	memcpy(&api.prefix, p, sizeof(*p));
	314	zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api);
	315
	316	return;
	317	}
	318
91529dc8	319	void sharp_zebra_nexthop_watch(struct prefix *p, vrf_id_t vrf_id, bool import,
b47dc61a	320	bool watch, bool connected)
0ae8130d	321	{
b47dc61a	322	int command;
0ae8130d	323
b47dc61a DS	324	if (!import) {
	325	command = ZEBRA_NEXTHOP_REGISTER;
	326
	327	if (!watch)
	328	command = ZEBRA_NEXTHOP_UNREGISTER;
	329	} else {
	330	command = ZEBRA_IMPORT_ROUTE_REGISTER;
	331
	332	if (!watch)
	333	command = ZEBRA_IMPORT_ROUTE_UNREGISTER;
	334	}
0ae8130d	335
91529dc8	336	if (zclient_send_rnh(zclient, command, p, connected, vrf_id) < 0)
b3beaea0 A	337	zlog_warn("%s: Failure to send nexthop to zebra",
b3beaea0 A	338	__PRETTY_FUNCTION__);
0ae8130d DS	339	}
0ae8130d DS	340
121f9dee	341	static int sharp_nexthop_update(ZAPI_CALLBACK_ARGS)
0ae8130d	342	{
86da53ab	343	struct sharp_nh_tracker *nht;
0ae8130d DS	344	struct zapi_route nhr;
	345	char buf[PREFIX_STRLEN];
	346	int i;
	347
	348	if (!zapi_nexthop_update_decode(zclient->ibuf, &nhr)) {
	349	zlog_warn("%s: Decode of update failed", __PRETTY_FUNCTION__);
	350
	351	return 0;
	352	}
	353
	354	zlog_debug("Received update for %s",
	355	prefix2str(&nhr.prefix, buf, sizeof(buf)));
86da53ab DS	356
	357	nht = sharp_nh_tracker_get(&nhr.prefix);
	358	nht->nhop_num = nhr.nexthop_num;
	359	nht->updates++;
	360
0ae8130d DS	361	for (i = 0; i < nhr.nexthop_num; i++) {
	362	struct zapi_nexthop *znh = &nhr.nexthops[i];
	363
	364	switch (znh->type) {
	365	case NEXTHOP_TYPE_IPV4_IFINDEX:
	366	case NEXTHOP_TYPE_IPV4:
	367	zlog_debug(
	368	"\tNexthop %s, type: %d, ifindex: %d, vrf: %d, label_num: %d",
	369	inet_ntop(AF_INET, &znh->gate.ipv4.s_addr, buf,
	370	sizeof(buf)),
	371	znh->type, znh->ifindex, znh->vrf_id,
	372	znh->label_num);
	373	break;
	374	case NEXTHOP_TYPE_IPV6_IFINDEX:
	375	case NEXTHOP_TYPE_IPV6:
	376	zlog_debug(
	377	"\tNexthop %s, type: %d, ifindex: %d, vrf: %d, label_num: %d",
	378	inet_ntop(AF_INET6, &znh->gate.ipv6, buf,
	379	sizeof(buf)),
	380	znh->type, znh->ifindex, znh->vrf_id,
	381	znh->label_num);
	382	break;
	383	case NEXTHOP_TYPE_IFINDEX:
	384	zlog_debug("\tNexthop IFINDEX: %d, ifindex: %d",
	385	znh->type, znh->ifindex);
	386	break;
	387	case NEXTHOP_TYPE_BLACKHOLE:
	388	zlog_debug("\tNexthop blackhole");
	389	break;
	390	}
	391	}
	392	return 0;
	393	}
	394
8a71d93d DS	395	extern struct zebra_privs_t sharp_privs;
	396
	397	void sharp_zebra_init(void)
	398	{
996c9314	399	struct zclient_options opt = {.receive_notify = true};
8a71d93d	400
26f63a1e	401	zclient = zclient_new(master, &opt);
8a71d93d DS	402
	403	zclient_init(zclient, ZEBRA_ROUTE_SHARP, 0, &sharp_privs);
	404	zclient->zebra_connected = zebra_connected;
	405	zclient->interface_add = interface_add;
	406	zclient->interface_delete = interface_delete;
	407	zclient->interface_up = interface_state_up;
	408	zclient->interface_down = interface_state_down;
	409	zclient->interface_address_add = interface_address_add;
	410	zclient->interface_address_delete = interface_address_delete;
28b11f81	411	zclient->route_notify_owner = route_notify_owner;
0ae8130d	412	zclient->nexthop_update = sharp_nexthop_update;
b47dc61a	413	zclient->import_check_update = sharp_nexthop_update;
8a71d93d	414	}