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57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* This is an implementation of the IETF SPF delay algorithm
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* as explained in draft-ietf-rtgwg-backoff-algo-04
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*
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* Created: 25-01-2017 by S. Litkowski
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*
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* Copyright (C) 2017 Orange Labs http://www.orange.com/
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* Copyright (C) 2017 by Christian Franke, Open Source Routing / NetDEF Inc.
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*
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* This file is part of FRRouting (FRR)
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*/
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#ifndef _ZEBRA_SPF_BACKOFF_H
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#define _ZEBRA_SPF_BACKOFF_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct spf_backoff;
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struct event_loop;
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struct vty;
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struct spf_backoff *spf_backoff_new(struct event_loop *m, const char *name,
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long init_delay, long short_delay,
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long long_delay, long holddown,
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long timetolearn);
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void spf_backoff_free(struct spf_backoff *backoff);
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/* Called whenever an IGP event is received, returns how many
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* milliseconds routing table computation should be delayed */
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long spf_backoff_schedule(struct spf_backoff *backoff);
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/* Shows status of SPF backoff instance */
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void spf_backoff_show(struct spf_backoff *backoff, struct vty *vty,
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const char *prefix);
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/* Writes out global SPF backoff debug config */
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int spf_backoff_write_config(struct vty *vty);
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/* Registers global SPF backoff debug commands */
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void spf_backoff_cmd_init(void);
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/* Accessor functions for SPF backoff parameters */
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long spf_backoff_init_delay(struct spf_backoff *backoff);
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long spf_backoff_short_delay(struct spf_backoff *backoff);
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long spf_backoff_long_delay(struct spf_backoff *backoff);
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long spf_backoff_holddown(struct spf_backoff *backoff);
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long spf_backoff_timetolearn(struct spf_backoff *backoff);
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#ifdef __cplusplus
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}
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#endif
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#endif
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