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/*
* Static NHT header.
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
*
* 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
*/
#ifndef __STATIC_NHT_H__
#define __STATIC_NHT_H__
#ifdef __cplusplus
extern "C" {
#endif
/*
* When we get notification that nexthop tracking has an answer for
* us call this function to find the nexthop we are tracking so it
* can be installed or removed.
*
* sp -> The route we are looking at. If NULL then look at all
* routes.
* nhp -> The nexthop that is being tracked.
* nh_num -> number of valid nexthops.
* afi -> The afi we are working in.
* vrf_id -> The vrf the nexthop is in.
*/
extern void static_nht_update(struct prefix *sp, struct prefix *nhp,
uint32_t nh_num, afi_t afi, safi_t safi,
vrf_id_t vrf_id);
/*
* For the given tracked nexthop, nhp, mark all routes that use
* this route as in starting state again.
*/
extern void static_nht_reset_start(struct prefix *nhp, afi_t afi, safi_t safi,
vrf_id_t nh_vrf_id);
/*
* For the given prefix, sp, mark it as in a particular state
*/
extern void static_nht_mark_state(struct prefix *sp, safi_t safi,
vrf_id_t vrf_id,
enum static_install_states state);
/*
* For the given nexthop, returns the string
*/
extern void static_get_nh_str(struct static_nexthop *nh, char *nexthop,
size_t size);
#ifdef __cplusplus
}
#endif
#endif
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