1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * TFRC library initialisation
4  *
5  * Copyright (c) 2007 The University of Aberdeen, Scotland, UK
6  * Copyright (c) 2007 Arnaldo Carvalho de Melo <acme@redhat.com>
7  */
8 #include <linux/moduleparam.h>
9 #include "tfrc.h"
10 
11 #ifdef CONFIG_IP_DCCP_TFRC_DEBUG
12 bool tfrc_debug;
13 module_param(tfrc_debug, bool, 0644);
14 MODULE_PARM_DESC(tfrc_debug, "Enable TFRC debug messages");
15 #endif
16 
tfrc_lib_init(void)17 int __init tfrc_lib_init(void)
18 {
19 	int rc = tfrc_li_init();
20 
21 	if (rc)
22 		goto out;
23 
24 	rc = tfrc_tx_packet_history_init();
25 	if (rc)
26 		goto out_free_loss_intervals;
27 
28 	rc = tfrc_rx_packet_history_init();
29 	if (rc)
30 		goto out_free_tx_history;
31 	return 0;
32 
33 out_free_tx_history:
34 	tfrc_tx_packet_history_exit();
35 out_free_loss_intervals:
36 	tfrc_li_exit();
37 out:
38 	return rc;
39 }
40 
tfrc_lib_exit(void)41 void tfrc_lib_exit(void)
42 {
43 	tfrc_rx_packet_history_exit();
44 	tfrc_tx_packet_history_exit();
45 	tfrc_li_exit();
46 }
47