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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Defines and structures common to LDP-Sync for OSPFv2 and OSPFv3 and ISIS
* Copyright (C) 2020 Volta Networks, Inc.
*/
#ifndef _LIBLDPSYNC_H
#define _LIBLDPSYNC_H
#ifdef __cplusplus
extern "C" {
#endif
/* LDP-IGP Sync values */
#define LDP_SYNC_FLAG_ENABLE (1 << 0) /* LDP-SYNC enabled */
#define LDP_SYNC_FLAG_HOLDDOWN (1 << 1) /* Holddown timer enabled */
#define LDP_SYNC_FLAG_IF_CONFIG (1 << 2) /* LDP-SYNC enabled on interface */
#define LDP_SYNC_FLAG_SET_METRIC (1 << 3) /* Metric has been set on ISIS intf */
#define LDP_IGP_SYNC_DEFAULT 0
#define LDP_IGP_SYNC_ENABLED 1
#define LDP_IGP_SYNC_STATE_NOT_REQUIRED 0
#define LDP_IGP_SYNC_STATE_REQUIRED_NOT_UP 1
#define LDP_IGP_SYNC_STATE_REQUIRED_UP 2
#define LDP_IGP_SYNC_HOLDDOWN_DEFAULT 0
/* LDP-IGP Sync structures */
struct ldp_sync_info_cmd {
uint16_t flags;
uint16_t holddown; /* timer value */
};
struct ldp_sync_info {
uint16_t flags; /* indicate if set on interface or globally */
uint8_t enabled; /* enabled */
uint8_t state; /* running state */
uint16_t holddown; /* timer value */
struct event *t_holddown; /* holddown timer*/
uint32_t metric[2]; /* isis interface metric */
};
/* Prototypes. */
extern struct ldp_sync_info *ldp_sync_info_create(void);
extern bool ldp_sync_if_is_enabled(struct ldp_sync_info *ldp_sync_info);
extern bool ldp_sync_if_down(struct ldp_sync_info *ldp_sync_info);
extern void ldp_sync_info_free(struct ldp_sync_info **ldp_sync_info);
struct ldp_igp_sync_announce {
int proto;
};
struct ldp_igp_sync_if_state {
ifindex_t ifindex;
bool sync_start;
};
struct ldp_igp_sync_if_state_req {
int proto;
ifindex_t ifindex;
char name[IFNAMSIZ];
};
#ifdef __cplusplus
}
#endif
#endif /* _LIBLDPSYNC_H */
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