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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2018 NetDEF, Inc.
* Renato Westphal
*/
#include <zebra.h>
#include "if.h"
#include "vrf.h"
#include "log.h"
#include "prefix.h"
#include "table.h"
#include "command.h"
#include "routemap.h"
#include "agg_table.h"
#include "northbound.h"
#include "libfrr.h"
#include "ripngd/ripngd.h"
#include "ripngd/ripng_nb.h"
#include "ripngd/ripng_debug.h"
#include "ripngd/ripng_route.h"
/*
* XPath: /frr-ripngd:clear-ripng-route
*/
static void clear_ripng_route(struct ripng *ripng)
{
struct agg_node *rp;
if (IS_RIPNG_DEBUG_EVENT)
zlog_debug("Clearing all RIPng routes (VRF %s)",
ripng->vrf_name);
/* Clear received RIPng routes */
for (rp = agg_route_top(ripng->table); rp; rp = agg_route_next(rp)) {
struct list *list;
struct listnode *listnode;
struct ripng_info *rinfo;
list = rp->info;
if (list == NULL)
continue;
for (ALL_LIST_ELEMENTS_RO(list, listnode, rinfo)) {
if (!ripng_route_rte(rinfo))
continue;
if (CHECK_FLAG(rinfo->flags, RIPNG_RTF_FIB))
ripng_zebra_ipv6_delete(ripng, rp);
break;
}
if (rinfo) {
EVENT_OFF(rinfo->t_timeout);
EVENT_OFF(rinfo->t_garbage_collect);
listnode_delete(list, rinfo);
ripng_info_free(rinfo);
}
if (list_isempty(list)) {
list_delete(&list);
rp->info = NULL;
agg_unlock_node(rp);
}
}
}
int clear_ripng_route_rpc(struct nb_cb_rpc_args *args)
{
struct ripng *ripng;
if (args->input && yang_dnode_exists(args->input, "vrf")) {
const char *name = yang_dnode_get_string(args->input, "vrf");
ripng = ripng_lookup_by_vrf_name(name);
if (ripng)
clear_ripng_route(ripng);
} else {
struct vrf *vrf;
RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
ripng = vrf->info;
if (!ripng)
continue;
clear_ripng_route(ripng);
}
}
return NB_OK;
}
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