+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Label Manager header
*
* Volta Networks Inc.
*
* This file is part of FRRouting (FRR)
- *
- * FRR 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, or (at your option) any
- * later version.
- *
- * FRR 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 _LABEL_MANAGER_H
/*
* Label chunk struct
- * Client daemon which the chunk belongs to can be identified by either
- * proto (daemon protocol) + instance.
+ * Client daemon which the chunk belongs to can be identified by a tuple of:
+ * proto (daemon protocol) + instance + zapi session_id
* If the client then passes a non-empty value to keep field when it requests
* for chunks, the chunks won't be garbage collected and the client will be
- * responsible of its release.
+ * responsible for releasing them.
* Otherwise, if the keep field is not set (value 0) for the chunk, it will be
* automatically released when the client disconnects or when it reconnects
* (in case it died unexpectedly, we can know it's the same because it will have
- * the same proto and instance values)
+ * the same proto+instance+session values)
*/
struct label_manager_chunk {
uint8_t proto;
unsigned short instance;
+ uint32_t session_id;
uint8_t keep;
uint32_t start; /* First label of the chunk */
uint32_t end; /* Last label of the chunk */
* so that any external module wanting to replace those can react
*/
-DECLARE_HOOK(lm_client_connect,
- (uint8_t proto, uint16_t instance, vrf_id_t vrf_id),
- (proto, instance, vrf_id));
-DECLARE_HOOK(lm_client_disconnect, (uint8_t proto, uint16_t instance),
- (proto, instance));
+DECLARE_HOOK(lm_client_connect, (struct zserv *client, vrf_id_t vrf_id),
+ (client, vrf_id));
+DECLARE_HOOK(lm_client_disconnect, (struct zserv *client), (client));
DECLARE_HOOK(lm_get_chunk,
- (struct label_manager_chunk * *lmc, uint8_t proto,
- uint16_t instance, uint8_t keep, uint32_t size, uint32_t base,
- vrf_id_t vrf_id),
- (lmc, proto, instance, keep, size, base, vrf_id));
+ (struct label_manager_chunk * *lmc, struct zserv *client,
+ uint8_t keep, uint32_t size, uint32_t base, vrf_id_t vrf_id),
+ (lmc, client, keep, size, base, vrf_id));
DECLARE_HOOK(lm_release_chunk,
- (uint8_t proto, uint16_t instance, uint32_t start, uint32_t end),
- (proto, instance, start, end));
+ (struct zserv *client, uint32_t start, uint32_t end),
+ (client, start, end));
DECLARE_HOOK(lm_cbs_inited, (), ());
/* declare wrappers to be called in zapi_msg.c (as hooks must be called in
* source file where they were defined)
*/
-void lm_client_connect_call(uint8_t proto, uint16_t instance, vrf_id_t vrf_id);
-void lm_get_chunk_call(struct label_manager_chunk **lmc, uint8_t proto,
- uint16_t instance, uint8_t keep, uint32_t size,
- uint32_t base, vrf_id_t vrf_id);
-void lm_release_chunk_call(uint8_t proto, uint16_t instance, uint32_t start,
+void lm_client_connect_call(struct zserv *client, vrf_id_t vrf_id);
+void lm_get_chunk_call(struct label_manager_chunk **lmc, struct zserv *client,
+ uint8_t keep, uint32_t size, uint32_t base,
+ vrf_id_t vrf_id);
+void lm_release_chunk_call(struct zserv *client, uint32_t start,
uint32_t end);
/* API for an external LM to return responses for requests */
int lm_client_connect_response(uint8_t proto, uint16_t instance,
- vrf_id_t vrf_id, uint8_t result);
-int lm_get_chunk_response(struct label_manager_chunk *lmc, uint8_t proto,
- uint16_t instance, vrf_id_t vrf_id);
+ uint32_t session_id, vrf_id_t vrf_id,
+ uint8_t result);
+int lm_get_chunk_response(struct label_manager_chunk *lmc, struct zserv *client,
+ vrf_id_t vrf_id);
/* convenience function to allocate an lmc to be consumed by the above API */
-struct label_manager_chunk *create_label_chunk(uint8_t proto,
- unsigned short instance,
- uint8_t keep, uint32_t start,
- uint32_t end);
+struct label_manager_chunk *
+create_label_chunk(uint8_t proto, unsigned short instance, uint32_t session_id,
+ uint8_t keep, uint32_t start, uint32_t end);
void delete_label_chunk(void *val);
/* register/unregister callbacks for hooks */
};
void label_manager_init(void);
-struct label_manager_chunk *assign_label_chunk(uint8_t proto,
- unsigned short instance,
- uint8_t keep, uint32_t size,
- uint32_t base);
-int release_label_chunk(uint8_t proto, unsigned short instance, uint32_t start,
- uint32_t end);
+struct label_manager_chunk *
+assign_label_chunk(uint8_t proto, unsigned short instance, uint32_t session_id,
+ uint8_t keep, uint32_t size, uint32_t base);
+int release_label_chunk(uint8_t proto, unsigned short instance,
+ uint32_t session_id, uint32_t start, uint32_t end);
int lm_client_disconnect_cb(struct zserv *client);
-int release_daemon_label_chunks(uint8_t proto, unsigned short instance);
+int release_daemon_label_chunks(struct zserv *client);
void label_manager_close(void);
#ifdef __cplusplus
projects / mirror_frr.git / blobdiff