xref: /OK3568_Linux_fs/kernel/net/dccp/ccids/lib/tfrc.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * TFRC library initialisation
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) 2007 The University of Aberdeen, Scotland, UK
6*4882a593Smuzhiyun  * Copyright (c) 2007 Arnaldo Carvalho de Melo <acme@redhat.com>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #include <linux/moduleparam.h>
9*4882a593Smuzhiyun #include "tfrc.h"
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifdef CONFIG_IP_DCCP_TFRC_DEBUG
12*4882a593Smuzhiyun bool tfrc_debug;
13*4882a593Smuzhiyun module_param(tfrc_debug, bool, 0644);
14*4882a593Smuzhiyun MODULE_PARM_DESC(tfrc_debug, "Enable TFRC debug messages");
15*4882a593Smuzhiyun #endif
16*4882a593Smuzhiyun 
tfrc_lib_init(void)17*4882a593Smuzhiyun int __init tfrc_lib_init(void)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun 	int rc = tfrc_li_init();
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	if (rc)
22*4882a593Smuzhiyun 		goto out;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	rc = tfrc_tx_packet_history_init();
25*4882a593Smuzhiyun 	if (rc)
26*4882a593Smuzhiyun 		goto out_free_loss_intervals;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	rc = tfrc_rx_packet_history_init();
29*4882a593Smuzhiyun 	if (rc)
30*4882a593Smuzhiyun 		goto out_free_tx_history;
31*4882a593Smuzhiyun 	return 0;
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun out_free_tx_history:
34*4882a593Smuzhiyun 	tfrc_tx_packet_history_exit();
35*4882a593Smuzhiyun out_free_loss_intervals:
36*4882a593Smuzhiyun 	tfrc_li_exit();
37*4882a593Smuzhiyun out:
38*4882a593Smuzhiyun 	return rc;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun 
tfrc_lib_exit(void)41*4882a593Smuzhiyun void tfrc_lib_exit(void)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun 	tfrc_rx_packet_history_exit();
44*4882a593Smuzhiyun 	tfrc_tx_packet_history_exit();
45*4882a593Smuzhiyun 	tfrc_li_exit();
46*4882a593Smuzhiyun }
47