// SPDX-License-Identifier: GPL-2.0-or-later
/* Zebra PW code
 * Copyright (C) 2016 Volta Networks, Inc.
 */

#ifndef ZEBRA_PW_H_
#define ZEBRA_PW_H_

#include <stdint.h>
#include <net/if.h>
#include <netinet/in.h>

#include "lib/hook.h"
#include "lib/qobj.h"
#include "lib/if.h"
#include "lib/pw.h"
#include "lib/nexthop.h"
#include "lib/openbsd-tree.h"

#ifdef __cplusplus
extern "C" {
#endif

struct zebra_dplane_ctx;
struct zebra_vrf;

#define PW_INSTALL_RETRY_INTERVAL	30

struct zebra_pw {
	RB_ENTRY(zebra_pw) pw_entry, static_pw_entry;
	vrf_id_t vrf_id;
	char ifname[IFNAMSIZ];
	ifindex_t ifindex;
	int type;
	int af;
	union g_addr nexthop;
	uint32_t local_label;
	uint32_t remote_label;
	uint8_t flags;
	union pw_protocol_fields data;
	int enabled;
	int status;
	uint8_t protocol;
	struct zserv *client;
	struct rnh *rnh;
	struct event *install_retry_timer;
	QOBJ_FIELDS;
};
DECLARE_QOBJ_TYPE(zebra_pw);

RB_HEAD(zebra_pw_head, zebra_pw);
RB_PROTOTYPE(zebra_pw_head, zebra_pw, pw_entry, zebra_pw_compare);

RB_HEAD(zebra_static_pw_head, zebra_pw);
RB_PROTOTYPE(zebra_static_pw_head, zebra_pw, static_pw_entry, zebra_pw_compare);

DECLARE_HOOK(pw_install, (struct zebra_pw * pw), (pw));
DECLARE_HOOK(pw_uninstall, (struct zebra_pw * pw), (pw));

struct zebra_pw *zebra_pw_add(struct zebra_vrf *zvrf, const char *ifname,
			      uint8_t protocol, struct zserv *client);
void zebra_pw_del(struct zebra_vrf *zvrf, struct zebra_pw *pw);
void zebra_pw_change(struct zebra_pw *pw, ifindex_t ifindex, int type, int af,
		     union g_addr *nexthop, uint32_t local_label, uint32_t remote_label,
		     uint8_t flags, union pw_protocol_fields *data);
struct zebra_pw *zebra_pw_find(struct zebra_vrf *zvrf, const char *ifname);
void zebra_pw_update(struct zebra_pw *pw);
void zebra_pw_install_failure(struct zebra_pw *pw, int pwstatus);
void zebra_pw_init_vrf(struct zebra_vrf *zvrf);
void zebra_pw_exit_vrf(struct zebra_vrf *zvrf);
void zebra_pw_terminate(void);
void zebra_pw_vty_init(void);
void zebra_pw_handle_dplane_results(struct zebra_dplane_ctx *ctx);

#ifdef __cplusplus
}
#endif

#endif /* ZEBRA_PW_H_ */
