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9fafbd1582
Track the state of the route and how we have installed it or not. This commit limits the number of installs/updates/deletes to a minimum number instead of repeated sends to zebra. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/*
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* Static NHT header.
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* Copyright (C) 2018 Cumulus Networks, Inc.
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* Donald Sharp
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*
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* This program 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 Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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 __STATIC_NHT_H__
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#define __STATIC_NHT_H__
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/*
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* When we get notification that nexthop tracking has an answer for
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* us call this function to find the nexthop we are tracking so it
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* can be installed or removed.
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*
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* sp -> The route we are looking at. If NULL then look at all
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* routes.
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* nhp -> The nexthop that is being tracked.
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* nh_num -> number of valid nexthops.
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* afi -> The afi we are working in.
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* vrf_id -> The vrf the nexthop is in.
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*/
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extern void static_nht_update(struct prefix *sp, struct prefix *nhp,
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uint32_t nh_num, afi_t afi, vrf_id_t vrf_id);
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/*
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* For the given tracked nexthop, nhp, mark all routes that use
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* this route as in starting state again.
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*/
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extern void static_nht_reset_start(struct prefix *nhp, afi_t afi,
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vrf_id_t nh_vrf_id);
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/*
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* For the given prefix, sp, mark it as in a particular state
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*/
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extern void static_nht_mark_state(struct prefix *sp, vrf_id_t vrf_id,
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enum static_install_states state);
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#endif
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