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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | /********************************************************************* * * 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/config.h> #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 */ /* irproc.c */ extern void irda_proc_register(void); extern void irda_proc_unregister(void); /* irsysctl.c */ extern int irda_sysctl_register(void); extern void irda_sysctl_unregister(void); /* af_irda.c */ extern int irsock_init(void); extern void irsock_cleanup(void); /* irlap_frame.c */ extern int irlap_driver_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *); /* * 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) { IRDA_DEBUG(0, "%s()\n", __FUNCTION__); /* Lower layer of the stack */ irlmp_init(); irlap_init(); /* Higher layers of the stack */ iriap_init(); irttp_init(); irsock_init(); /* 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 irda_sysctl_register(); #endif /* Driver/dongle support */ irda_device_init(); return 0; } /* * 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 */ #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); |