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/*
* Copyright (C) 2012-2026 Red Hat, Inc. All rights reserved.
*
* Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
* Federico Simoncelli <fsimon@kronosnet.org>
*
* This software licensed under LGPL-2.0+
*/
#ifndef __KNET_LINK_H__
#define __KNET_LINK_H__
#include "internals.h"
#define KNET_LINK_STATIC 0 /* link has static ip on both ends */
#define KNET_LINK_DYNIP 1 /* link has dynamic destination ip */
/*
* number of iterations to reduce pong_timeout_adj
* from configured(pong_timeout * KNET_LINK_PONG_TIMEOUT_BACKOFF
* to pong_timeout
*/
#define KNET_LINK_PONG_TIMEOUT_BACKOFF 10
/*
* when adjusting link pong_timeout for latency,
* multiply the max recorded latency by this number.
* Yes it's a bit of magic, fairy dust and unicorn farts
* mixed together.
*/
#define KNET_LINK_PONG_TIMEOUT_LAT_MUL 2
/*
* under heavy load with crypto enabled, it takes much
* longer time to receive a response from the other node.
*
* 128 is somewhat arbitrary number but we want to set a limit
* and report failures after that.
*/
#define KNET_LINK_PMTUD_CRYPTO_TIMEOUT_MULTIPLIER_MIN 2
#define KNET_LINK_PMTUD_CRYPTO_TIMEOUT_MULTIPLIER_MAX 128
int _link_updown(knet_handle_t knet_h, knet_node_id_t node_id, uint8_t link_id,
unsigned int enabled, unsigned int connected, unsigned int lock_stats);
void _link_clear_stats(knet_handle_t knet_h);
#endif
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