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Diffstat (limited to 'lib/ldp_sync.h')
| -rw-r--r-- | lib/ldp_sync.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/lib/ldp_sync.h b/lib/ldp_sync.h new file mode 100644 index 0000000..0429e17 --- /dev/null +++ b/lib/ldp_sync.h @@ -0,0 +1,82 @@ +/* + * Defines and structures common to LDP-Sync for OSPFv2 and OSPFv3 and ISIS + * Copyright (C) 2020 Volta Networks, Inc. + * + * 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 _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 thread *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[INTERFACE_NAMSIZ]; +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBLDPSYNC_H */ |