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When selecting a new best route, zebra sends a redist update when the route is installed. There are cases where redist clients may not see that redist add - clients who are not subscribed to the new route type, e.g. In that case, attempt to send a redist delete for the old/previous route type. Revised the redist delete api to accomodate both cases; also tightened up the const-ness of a few internal redist apis. Signed-off-by: Mark Stapp <mjs@voltanet.io>
98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
/*
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* Redistribution Handler
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* Copyright (C) 1999 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ZEBRA_REDISTRIBUTE_H
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#define _ZEBRA_REDISTRIBUTE_H
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#include "table.h"
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#include "vty.h"
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#include "vrf.h"
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#include "zebra/zserv.h"
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#include "zebra/rib.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ZAPI command handlers */
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extern void zebra_redistribute_add(ZAPI_HANDLER_ARGS);
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extern void zebra_redistribute_delete(ZAPI_HANDLER_ARGS);
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extern void zebra_redistribute_default_add(ZAPI_HANDLER_ARGS);
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extern void zebra_redistribute_default_delete(ZAPI_HANDLER_ARGS);
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/* ----------------- */
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extern void redistribute_update(const struct prefix *p,
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const struct prefix *src_p,
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const struct route_entry *re,
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const struct route_entry *prev_re);
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/*
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* During a route delete, where 'new_re' is NULL, redist a delete to all
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* clients registered for the type of 'old_re'.
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* During a route update, redist a delete to any clients who will not see
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* an update when the new route is installed. There are cases when a client
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* may have seen a redist for 'old_re', but will not see
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* the redist for 'new_re'.
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*/
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void redistribute_delete(const struct prefix *p, const struct prefix *src_p,
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const struct route_entry *old_re,
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const struct route_entry *new_re);
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extern void zebra_interface_up_update(struct interface *);
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extern void zebra_interface_down_update(struct interface *);
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extern void zebra_interface_add_update(struct interface *);
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extern void zebra_interface_delete_update(struct interface *);
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extern void zebra_interface_address_add_update(struct interface *,
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struct connected *);
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extern void zebra_interface_address_delete_update(struct interface *,
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struct connected *c);
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extern void zebra_interface_parameters_update(struct interface *);
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extern void zebra_interface_vrf_update_del(struct interface *,
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vrf_id_t new_vrf_id);
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extern void zebra_interface_vrf_update_add(struct interface *,
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vrf_id_t old_vrf_id);
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extern int zebra_import_table(afi_t afi, vrf_id_t vrf_id,
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uint32_t table_id, uint32_t distance,
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const char *rmap_name, int add);
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extern int zebra_add_import_table_entry(struct zebra_vrf *zvrf,
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struct route_node *rn,
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struct route_entry *re,
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const char *rmap_name);
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extern int zebra_del_import_table_entry(struct zebra_vrf *zvrf,
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struct route_node *rn,
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struct route_entry *re);
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extern int is_zebra_import_table_enabled(afi_t, vrf_id_t vrf_id,
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uint32_t table_id);
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extern int zebra_import_table_config(struct vty *, vrf_id_t vrf_id);
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extern void zebra_import_table_rm_update(const char *rmap);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZEBRA_REDISTRIBUTE_H */
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