kernel/net/dccp/ccids/lib/tfrc.c

   1 /*
   2  * TFRC library initialisation
   3  *
   4  * Copyright (c) 2007 The University of Aberdeen, Scotland, UK
   5  * Copyright (c) 2007 Arnaldo Carvalho de Melo <acme@redhat.com>
   6  */
   7 #include <linux/moduleparam.h>
   8 #include "tfrc.h"
   9
  10 #ifdef CONFIG_IP_DCCP_TFRC_DEBUG
  11 bool tfrc_debug;
  12 module_param(tfrc_debug, bool, 0644);
  13 MODULE_PARM_DESC(tfrc_debug, "Enable TFRC debug messages");
  14 #endif
  15
  16 int __init tfrc_lib_init(void)
  17 {
  18         int rc = tfrc_li_init();
  19
  20         if (rc)
  21                 goto out;
  22
  23         rc = tfrc_tx_packet_history_init();
  24         if (rc)
  25                 goto out_free_loss_intervals;
  26
  27         rc = tfrc_rx_packet_history_init();
  28         if (rc)
  29                 goto out_free_tx_history;
  30         return 0;
  31
  32 out_free_tx_history:
  33         tfrc_tx_packet_history_exit();
  34 out_free_loss_intervals:
  35         tfrc_li_exit();
  36 out:
  37         return rc;
  38 }
  39
  40 void tfrc_lib_exit(void)
  41 {
  42         tfrc_rx_packet_history_exit();
  43         tfrc_tx_packet_history_exit();
  44         tfrc_li_exit();
  45 }