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 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 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