--- /dev/null
+/*********************************************************************
+ *
+ * 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 */
+
+/* Packet type handler.
+ * Tell the kernel how IrDA packets should be handled.
+ */
+static struct packet_type irda_packet_type __read_mostly = {
+ .type = cpu_to_be16(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;
+
+ /* 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);
Code Review / kvmfornfv.git / blobdiff