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0eb97b860d
Replace the existing list of nexthops (via a nexthop_group struct) in the route_entry with a direct pointer to zebra's new shared group (from zebra_nhg.h). This allows more direct access to that shared group and the info it carries. Signed-off-by: Mark Stapp <mjs@voltanet.io>
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* Nexthop Group Private Functions.
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* Copyright (C) 2019 Cumulus Networks, Inc.
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* Stephen Worley
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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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/**
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* These functions should only be used internally for nhg_hash_entry
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* manipulation and in certain special cases.
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*
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* Please use `zebra/zebra_nhg.h` for any general nhg_hash_entry api needs.
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*/
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#ifndef __ZEBRA_NHG_PRIVATE_H__
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#define __ZEBRA_NHG_PRIVATE_H__
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#include "zebra/zebra_nhg.h"
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/* Abstraction for connected trees */
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struct nhg_connected {
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struct nhg_connected_tree_item tree_item;
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struct nhg_hash_entry *nhe;
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};
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static int nhg_connected_cmp(const struct nhg_connected *con1,
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const struct nhg_connected *con2)
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{
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return (con1->nhe->id - con2->nhe->id);
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}
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DECLARE_RBTREE_UNIQ(nhg_connected_tree, struct nhg_connected, tree_item,
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nhg_connected_cmp);
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/* nhg connected tree direct access functions */
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extern void nhg_connected_tree_init(struct nhg_connected_tree_head *head);
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extern void nhg_connected_tree_free(struct nhg_connected_tree_head *head);
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extern bool
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nhg_connected_tree_is_empty(const struct nhg_connected_tree_head *head);
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extern struct nhg_connected *
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nhg_connected_tree_root(struct nhg_connected_tree_head *head);
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extern void nhg_connected_tree_del_nhe(struct nhg_connected_tree_head *head,
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struct nhg_hash_entry *nhe);
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extern void nhg_connected_tree_add_nhe(struct nhg_connected_tree_head *head,
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struct nhg_hash_entry *nhe);
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#endif /* __ZEBRA_NHG_PRIVATE_H__ */
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