/********************************************************************* * * Filename: irmod.c * Version: 0.9 * Description: IrDA stack main entry points * Status: Experimental. * Author: Dag Brattli <dagb@cs.uit.no> * Created at: Mon Dec 15 13:55:39 1997 * Modified at: Wed Jan 5 15:12:41 2000 * Modified by: Dag Brattli <dagb@cs.uit.no> * * Copyright (c) 1997, 1999-2000 Dag Brattli, All Rights Reserved. * Copyright (c) 2000-2004 Jean Tourrilhes <jt@hpl.hp.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * Neither Dag Brattli nor University of Tromsø admit liability nor * provide warranty for any of this software. This material is * provided "AS-IS" and at no charge. * ********************************************************************/ /* * This file contains the main entry points of the IrDA stack. * They are in this file and not af_irda.c because some developpers * are using the IrDA stack without the socket API (compiling out * af_irda.c). * Jean II */ #include <linux/module.h> #include <linux/moduleparam.h> #include <net/irda/irda.h> #include <net/irda/irmod.h> /* notify_t */ #include <net/irda/irlap.h> /* irlap_init */ #include <net/irda/irlmp.h> /* irlmp_init */ #include <net/irda/iriap.h> /* iriap_init */ #include <net/irda/irttp.h> /* irttp_init */ #include <net/irda/irda_device.h> /* irda_device_init */ /* * Module parameters */ #ifdef CONFIG_IRDA_DEBUG unsigned int irda_debug = IRDA_DEBUG_LEVEL; module_param_named(debug, irda_debug, uint, 0); MODULE_PARM_DESC(debug, "IRDA debugging level"); EXPORT_SYMBOL(irda_debug); #endif /* Packet type handler. * Tell the kernel how IrDA packets should be handled. */ static struct packet_type irda_packet_type = { .type = __constant_htons(ETH_P_IRDA), .func = irlap_driver_rcv, /* Packet type handler irlap_frame.c */ }; /* * Function irda_notify_init (notify) * * Used for initializing the notify structure * */ void irda_notify_init(notify_t *notify) { notify->data_indication = NULL; notify->udata_indication = NULL; notify->connect_confirm = NULL; notify->connect_indication = NULL; notify->disconnect_indication = NULL; notify->flow_indication = NULL; notify->status_indication = NULL; notify->instance = NULL; strlcpy(notify->name, "Unknown", sizeof(notify->name)); } EXPORT_SYMBOL(irda_notify_init); /* * Function irda_init (void) * * Protocol stack initialisation entry point. * Initialise the various components of the IrDA stack */ static int __init irda_init(void) { int ret = 0; IRDA_DEBUG(0, "%s()\n", __func__); /* Lower layer of the stack */ irlmp_init(); irlap_init(); /* Driver/dongle support */ irda_device_init(); /* Higher layers of the stack */ iriap_init(); irttp_init(); ret = irsock_init(); if (ret < 0) goto out_err_1; /* Add IrDA packet type (Start receiving packets) */ dev_add_pack(&irda_packet_type); /* External APIs */ #ifdef CONFIG_PROC_FS irda_proc_register(); #endif #ifdef CONFIG_SYSCTL ret = irda_sysctl_register(); if (ret < 0) goto out_err_2; #endif ret = irda_nl_register(); if (ret < 0) goto out_err_3; return 0; out_err_3: #ifdef CONFIG_SYSCTL irda_sysctl_unregister(); out_err_2: #endif #ifdef CONFIG_PROC_FS irda_proc_unregister(); #endif /* Remove IrDA packet type (stop receiving packets) */ dev_remove_pack(&irda_packet_type); /* Remove higher layers */ irsock_cleanup(); out_err_1: irttp_cleanup(); iriap_cleanup(); /* Remove lower layers */ irda_device_cleanup(); irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */ /* Remove middle layer */ irlmp_cleanup(); return ret; } /* * Function irda_cleanup (void) * * Protocol stack cleanup/removal entry point. * Cleanup the various components of the IrDA stack */ static void __exit irda_cleanup(void) { /* Remove External APIs */ irda_nl_unregister(); #ifdef CONFIG_SYSCTL irda_sysctl_unregister(); #endif #ifdef CONFIG_PROC_FS irda_proc_unregister(); #endif /* Remove IrDA packet type (stop receiving packets) */ dev_remove_pack(&irda_packet_type); /* Remove higher layers */ irsock_cleanup(); irttp_cleanup(); iriap_cleanup(); /* Remove lower layers */ irda_device_cleanup(); irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */ /* Remove middle layer */ irlmp_cleanup(); } /* * The IrDA stack must be initialised *before* drivers get initialised, * and *before* higher protocols (IrLAN/IrCOMM/IrNET) get initialised, * otherwise bad things will happen (hashbins will be NULL for example). * Those modules are at module_init()/device_initcall() level. * * On the other hand, it needs to be initialised *after* the basic * networking, the /proc/net filesystem and sysctl module. Those are * currently initialised in .../init/main.c (before initcalls). * Also, IrDA drivers needs to be initialised *after* the random number * generator (main stack and higher layer init don't need it anymore). * * Jean II */ subsys_initcall(irda_init); module_exit(irda_cleanup); MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> & Jean Tourrilhes <jt@hpl.hp.com>"); MODULE_DESCRIPTION("The Linux IrDA Protocol Stack"); MODULE_LICENSE("GPL"); MODULE_ALIAS_NETPROTO(PF_IRDA);