libknet/links.h

   1 /*
   2  * Copyright (C) 2012-2019 Red Hat, Inc.  All rights reserved.
   3  *
   4  * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
   5  *          Federico Simoncelli <fsimon@kronosnet.org>
   6  *
   7  * This software licensed under LGPL-2.0+
   8  */
   9
  10 #ifndef __KNET_LINK_H__
  11 #define __KNET_LINK_H__
  12
  13 #include "internals.h"
  14
  15 #define KNET_LINK_STATIC             0 /* link has static ip on both ends */
  16 #define KNET_LINK_DYNIP              1 /* link has dynamic destination ip */
  17
  18 /*
  19  * number of iterations to reduce pong_timeout_adj
  20  * from configured(pong_timeout * KNET_LINK_PONG_TIMEOUT_BACKOFF
  21  * to pong_timeout
  22  */
  23 #define KNET_LINK_PONG_TIMEOUT_BACKOFF  10
  24
  25 /*
  26  * when adjusting link pong_timeout for latency,
  27  * multiply the max recorded latency by this number.
  28  * Yes it's a bit of magic, fairy dust and unicorn farts
  29  * mixed together.
  30  */
  31 #define KNET_LINK_PONG_TIMEOUT_LAT_MUL  2
  32
  33 int _link_updown(knet_handle_t knet_h, knet_node_id_t node_id, uint8_t link_id,
  34                  unsigned int enabled, unsigned int connected);
  35
  36 void _link_clear_stats(knet_handle_t knet_h);
  37
  38 #endif