irda: move net/irda/ to drivers/staging/irda/net/

It's time to get rid of IRDA.  It's long been broken, and no one seems
to use it anymore.  So move it to staging and after a while, we can
delete it from there.

To start, move the network irda core from net/irda to
drivers/staging/irda/net/

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 1176 deletions

diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
deleted file mode 100644
index 481bbc2a4349..000000000000
--- a/net/irda/irlan/irlan_common.c
+++ /dev/null
@@ -1,1176 +0,0 @@
-/*********************************************************************
- *
- * Filename:      irlan_common.c
- * Version:       0.9
- * Description:   IrDA LAN Access Protocol Implementation
- * Status:        Experimental.
- * Author:        Dag Brattli <dagb@cs.uit.no>
- * Created at:    Sun Aug 31 20:14:37 1997
- * Modified at:   Sun Dec 26 21:53:10 1999
- * Modified by:   Dag Brattli <dagb@cs.uit.no>
- *
- *     Copyright (c) 1997, 1999 Dag Brattli <dagb@cs.uit.no>,
- *     All Rights Reserved.
- *
- *     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.
- *
- ********************************************************************/
-
-#include <linux/module.h>
-
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/gfp.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/proc_fs.h>
-#include <linux/sched.h>
-#include <linux/seq_file.h>
-#include <linux/random.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/rtnetlink.h>
-#include <linux/moduleparam.h>
-#include <linux/bitops.h>
-
-#include <asm/byteorder.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/irttp.h>
-#include <net/irda/irlmp.h>
-#include <net/irda/iriap.h>
-#include <net/irda/timer.h>
-
-#include <net/irda/irlan_common.h>
-#include <net/irda/irlan_client.h>
-#include <net/irda/irlan_provider.h>
-#include <net/irda/irlan_eth.h>
-#include <net/irda/irlan_filter.h>
-
-
-/* extern char sysctl_devname[]; */
-
-/*
- *  Master structure
- */
-static LIST_HEAD(irlans);
-
-static void *ckey;
-static void *skey;
-
-/* Module parameters */
-static bool eth;   /* Use "eth" or "irlan" name for devices */
-static int access = ACCESS_PEER; /* PEER, DIRECT or HOSTED */
-
-#ifdef CONFIG_PROC_FS
-static const char *const irlan_access[] = {
-	"UNKNOWN",
-	"DIRECT",
-	"PEER",
-	"HOSTED"
-};
-
-static const char *const irlan_media[] = {
-	"UNKNOWN",
-	"802.3",
-	"802.5"
-};
-
-extern struct proc_dir_entry *proc_irda;
-
-static int irlan_seq_open(struct inode *inode, struct file *file);
-
-static const struct file_operations irlan_fops = {
-	.owner	 = THIS_MODULE,
-	.open    = irlan_seq_open,
-	.read    = seq_read,
-	.llseek  = seq_lseek,
-	.release = seq_release,
-};
-
-extern struct proc_dir_entry *proc_irda;
-#endif /* CONFIG_PROC_FS */
-
-static struct irlan_cb __init *irlan_open(__u32 saddr, __u32 daddr);
-static void __irlan_close(struct irlan_cb *self);
-static int __irlan_insert_param(struct sk_buff *skb, char *param, int type,
-				__u8 value_byte, __u16 value_short,
-				__u8 *value_array, __u16 value_len);
-static void irlan_open_unicast_addr(struct irlan_cb *self);
-static void irlan_get_unicast_addr(struct irlan_cb *self);
-void irlan_close_tsaps(struct irlan_cb *self);
-
-/*
- * Function irlan_init (void)
- *
- *    Initialize IrLAN layer
- *
- */
-static int __init irlan_init(void)
-{
-	struct irlan_cb *new;
-	__u16 hints;
-
-#ifdef CONFIG_PROC_FS
-	{ struct proc_dir_entry *proc;
-	proc = proc_create("irlan", 0, proc_irda, &irlan_fops);
-	if (!proc) {
-		printk(KERN_ERR "irlan_init: can't create /proc entry!\n");
-		return -ENODEV;
-	}
-	}
-#endif /* CONFIG_PROC_FS */
-
-	hints = irlmp_service_to_hint(S_LAN);
-
-	/* Register with IrLMP as a client */
-	ckey = irlmp_register_client(hints, &irlan_client_discovery_indication,
-				     NULL, NULL);
-	if (!ckey)
-		goto err_ckey;
-
-	/* Register with IrLMP as a service */
-	skey = irlmp_register_service(hints);
-	if (!skey)
-		goto err_skey;
-
-	/* Start the master IrLAN instance (the only one for now) */
-	new = irlan_open(DEV_ADDR_ANY, DEV_ADDR_ANY);
-	if (!new)
-		goto err_open;
-
-	/* The master will only open its (listen) control TSAP */
-	irlan_provider_open_ctrl_tsap(new);
-
-	/* Do some fast discovery! */
-	irlmp_discovery_request(DISCOVERY_DEFAULT_SLOTS);
-
-	return 0;
-
-err_open:
-	irlmp_unregister_service(skey);
-err_skey:
-	irlmp_unregister_client(ckey);
-err_ckey:
-#ifdef CONFIG_PROC_FS
-	remove_proc_entry("irlan", proc_irda);
-#endif /* CONFIG_PROC_FS */
-
-	return -ENOMEM;
-}
-
-static void __exit irlan_cleanup(void)
-{
-	struct irlan_cb *self, *next;
-
-	irlmp_unregister_client(ckey);
-	irlmp_unregister_service(skey);
-
-#ifdef CONFIG_PROC_FS
-	remove_proc_entry("irlan", proc_irda);
-#endif /* CONFIG_PROC_FS */
-
-	/* Cleanup any leftover network devices */
-	rtnl_lock();
-	list_for_each_entry_safe(self, next, &irlans, dev_list) {
-		__irlan_close(self);
-	}
-	rtnl_unlock();
-}
-
-/*
- * Function irlan_open (void)
- *
- *    Open new instance of a client/provider, we should only register the
- *    network device if this instance is ment for a particular client/provider
- */
-static struct irlan_cb __init *irlan_open(__u32 saddr, __u32 daddr)
-{
-	struct net_device *dev;
-	struct irlan_cb *self;
-
-	/* Create network device with irlan */
-	dev = alloc_irlandev(eth ? "eth%d" : "irlan%d");
-	if (!dev)
-		return NULL;
-
-	self = netdev_priv(dev);
-	self->dev = dev;
-
-	/*
-	 *  Initialize local device structure
-	 */
-	self->magic = IRLAN_MAGIC;
-	self->saddr = saddr;
-	self->daddr = daddr;
-
-	/* Provider access can only be PEER, DIRECT, or HOSTED */
-	self->provider.access_type = access;
-	if (access == ACCESS_DIRECT) {
-		/*
-		 * Since we are emulating an IrLAN sever we will have to
-		 * give ourself an ethernet address!
-		 */
-		dev->dev_addr[0] = 0x40;
-		dev->dev_addr[1] = 0x00;
-		dev->dev_addr[2] = 0x00;
-		dev->dev_addr[3] = 0x00;
-		get_random_bytes(dev->dev_addr+4, 1);
-		get_random_bytes(dev->dev_addr+5, 1);
-	}
-
-	self->media = MEDIA_802_3;
-	self->disconnect_reason = LM_USER_REQUEST;
-	init_timer(&self->watchdog_timer);
-	init_timer(&self->client.kick_timer);
-	init_waitqueue_head(&self->open_wait);
-
-	skb_queue_head_init(&self->client.txq);
-
-	irlan_next_client_state(self, IRLAN_IDLE);
-	irlan_next_provider_state(self, IRLAN_IDLE);
-
-	if (register_netdev(dev)) {
-		pr_debug("%s(), register_netdev() failed!\n",
-			 __func__);
-		self = NULL;
-		free_netdev(dev);
-	} else {
-		rtnl_lock();
-		list_add_rcu(&self->dev_list, &irlans);
-		rtnl_unlock();
-	}
-
-	return self;
-}
-/*
- * Function __irlan_close (self)
- *
- *    This function closes and deallocates the IrLAN client instances. Be
- *    aware that other functions which calls client_close() must
- *    remove self from irlans list first.
- */
-static void __irlan_close(struct irlan_cb *self)
-{
-	ASSERT_RTNL();
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	del_timer_sync(&self->watchdog_timer);
-	del_timer_sync(&self->client.kick_timer);
-
-	/* Close all open connections and remove TSAPs */
-	irlan_close_tsaps(self);
-
-	if (self->client.iriap)
-		iriap_close(self->client.iriap);
-
-	/* Remove frames queued on the control channel */
-	skb_queue_purge(&self->client.txq);
-
-	/* Unregister and free self via destructor */
-	unregister_netdevice(self->dev);
-}
-
-/* Find any instance of irlan, used for client discovery wakeup */
-struct irlan_cb *irlan_get_any(void)
-{
-	struct irlan_cb *self;
-
-	list_for_each_entry_rcu(self, &irlans, dev_list) {
-		return self;
-	}
-	return NULL;
-}
-
-/*
- * Function irlan_connect_indication (instance, sap, qos, max_sdu_size, skb)
- *
- *    Here we receive the connect indication for the data channel
- *
- */
-static void irlan_connect_indication(void *instance, void *sap,
-				     struct qos_info *qos,
-				     __u32 max_sdu_size,
-				     __u8 max_header_size,
-				     struct sk_buff *skb)
-{
-	struct irlan_cb *self;
-	struct tsap_cb *tsap;
-
-	self = instance;
-	tsap = sap;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-	IRDA_ASSERT(tsap == self->tsap_data,return;);
-
-	self->max_sdu_size = max_sdu_size;
-	self->max_header_size = max_header_size;
-
-	pr_debug("%s: We are now connected!\n", __func__);
-
-	del_timer(&self->watchdog_timer);
-
-	/* If you want to pass the skb to *both* state machines, you will
-	 * need to skb_clone() it, so that you don't free it twice.
-	 * As the state machines don't need it, git rid of it here...
-	 * Jean II */
-	if (skb)
-		dev_kfree_skb(skb);
-
-	irlan_do_provider_event(self, IRLAN_DATA_CONNECT_INDICATION, NULL);
-	irlan_do_client_event(self, IRLAN_DATA_CONNECT_INDICATION, NULL);
-
-	if (self->provider.access_type == ACCESS_PEER) {
-		/*
-		 * Data channel is open, so we are now allowed to
-		 * configure the remote filter
-		 */
-		irlan_get_unicast_addr(self);
-		irlan_open_unicast_addr(self);
-	}
-	/* Ready to transfer Ethernet frames (at last) */
-	netif_start_queue(self->dev); /* Clear reason */
-}
-
-static void irlan_connect_confirm(void *instance, void *sap,
-				  struct qos_info *qos,
-				  __u32 max_sdu_size,
-				  __u8 max_header_size,
-				  struct sk_buff *skb)
-{
-	struct irlan_cb *self;
-
-	self = instance;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	self->max_sdu_size = max_sdu_size;
-	self->max_header_size = max_header_size;
-
-	/* TODO: we could set the MTU depending on the max_sdu_size */
-
-	pr_debug("%s: We are now connected!\n", __func__);
-	del_timer(&self->watchdog_timer);
-
-	/*
-	 * Data channel is open, so we are now allowed to configure the remote
-	 * filter
-	 */
-	irlan_get_unicast_addr(self);
-	irlan_open_unicast_addr(self);
-
-	/* Open broadcast and multicast filter by default */
-	irlan_set_broadcast_filter(self, TRUE);
-	irlan_set_multicast_filter(self, TRUE);
-
-	/* Ready to transfer Ethernet frames */
-	netif_start_queue(self->dev);
-	self->disconnect_reason = 0; /* Clear reason */
-	wake_up_interruptible(&self->open_wait);
-}
-
-/*
- * Function irlan_client_disconnect_indication (handle)
- *
- *    Callback function for the IrTTP layer. Indicates a disconnection of
- *    the specified connection (handle)
- */
-static void irlan_disconnect_indication(void *instance,
-					void *sap, LM_REASON reason,
-					struct sk_buff *userdata)
-{
-	struct irlan_cb *self;
-	struct tsap_cb *tsap;
-
-	pr_debug("%s(), reason=%d\n", __func__ , reason);
-
-	self = instance;
-	tsap = sap;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-	IRDA_ASSERT(tsap != NULL, return;);
-	IRDA_ASSERT(tsap->magic == TTP_TSAP_MAGIC, return;);
-
-	IRDA_ASSERT(tsap == self->tsap_data, return;);
-
-	pr_debug("IrLAN, data channel disconnected by peer!\n");
-
-	/* Save reason so we know if we should try to reconnect or not */
-	self->disconnect_reason = reason;
-
-	switch (reason) {
-	case LM_USER_REQUEST: /* User request */
-		pr_debug("%s(), User requested\n", __func__);
-		break;
-	case LM_LAP_DISCONNECT: /* Unexpected IrLAP disconnect */
-		pr_debug("%s(), Unexpected IrLAP disconnect\n", __func__);
-		break;
-	case LM_CONNECT_FAILURE: /* Failed to establish IrLAP connection */
-		pr_debug("%s(), IrLAP connect failed\n", __func__);
-		break;
-	case LM_LAP_RESET:  /* IrLAP reset */
-		pr_debug("%s(), IrLAP reset\n", __func__);
-		break;
-	case LM_INIT_DISCONNECT:
-		pr_debug("%s(), IrLMP connect failed\n", __func__);
-		break;
-	default:
-		net_err_ratelimited("%s(), Unknown disconnect reason\n",
-				    __func__);
-		break;
-	}
-
-	/* If you want to pass the skb to *both* state machines, you will
-	 * need to skb_clone() it, so that you don't free it twice.
-	 * As the state machines don't need it, git rid of it here...
-	 * Jean II */
-	if (userdata)
-		dev_kfree_skb(userdata);
-
-	irlan_do_client_event(self, IRLAN_LMP_DISCONNECT, NULL);
-	irlan_do_provider_event(self, IRLAN_LMP_DISCONNECT, NULL);
-
-	wake_up_interruptible(&self->open_wait);
-}
-
-void irlan_open_data_tsap(struct irlan_cb *self)
-{
-	struct tsap_cb *tsap;
-	notify_t notify;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/* Check if already open */
-	if (self->tsap_data)
-		return;
-
-	irda_notify_init(&notify);
-
-	notify.data_indication       = irlan_eth_receive;
-	notify.udata_indication      = irlan_eth_receive;
-	notify.connect_indication    = irlan_connect_indication;
-	notify.connect_confirm       = irlan_connect_confirm;
-	notify.flow_indication       = irlan_eth_flow_indication;
-	notify.disconnect_indication = irlan_disconnect_indication;
-	notify.instance              = self;
-	strlcpy(notify.name, "IrLAN data", sizeof(notify.name));
-
-	tsap = irttp_open_tsap(LSAP_ANY, DEFAULT_INITIAL_CREDIT, &notify);
-	if (!tsap) {
-		pr_debug("%s(), Got no tsap!\n", __func__);
-		return;
-	}
-	self->tsap_data = tsap;
-
-	/*
-	 *  This is the data TSAP selector which we will pass to the client
-	 *  when the client ask for it.
-	 */
-	self->stsap_sel_data = self->tsap_data->stsap_sel;
-}
-
-void irlan_close_tsaps(struct irlan_cb *self)
-{
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/* Disconnect and close all open TSAP connections */
-	if (self->tsap_data) {
-		irttp_disconnect_request(self->tsap_data, NULL, P_NORMAL);
-		irttp_close_tsap(self->tsap_data);
-		self->tsap_data = NULL;
-	}
-	if (self->client.tsap_ctrl) {
-		irttp_disconnect_request(self->client.tsap_ctrl, NULL,
-					 P_NORMAL);
-		irttp_close_tsap(self->client.tsap_ctrl);
-		self->client.tsap_ctrl = NULL;
-	}
-	if (self->provider.tsap_ctrl) {
-		irttp_disconnect_request(self->provider.tsap_ctrl, NULL,
-					 P_NORMAL);
-		irttp_close_tsap(self->provider.tsap_ctrl);
-		self->provider.tsap_ctrl = NULL;
-	}
-	self->disconnect_reason = LM_USER_REQUEST;
-}
-
-/*
- * Function irlan_ias_register (self, tsap_sel)
- *
- *    Register with LM-IAS
- *
- */
-void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel)
-{
-	struct ias_object *obj;
-	struct ias_value *new_value;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/*
-	 * Check if object has already been registered by a previous provider.
-	 * If that is the case, we just change the value of the attribute
-	 */
-	if (!irias_find_object("IrLAN")) {
-		obj = irias_new_object("IrLAN", IAS_IRLAN_ID);
-		irias_add_integer_attrib(obj, "IrDA:TinyTP:LsapSel", tsap_sel,
-					 IAS_KERNEL_ATTR);
-		irias_insert_object(obj);
-	} else {
-		new_value = irias_new_integer_value(tsap_sel);
-		irias_object_change_attribute("IrLAN", "IrDA:TinyTP:LsapSel",
-					      new_value);
-	}
-
-	/* Register PnP object only if not registered before */
-	if (!irias_find_object("PnP")) {
-		obj = irias_new_object("PnP", IAS_PNP_ID);
-#if 0
-		irias_add_string_attrib(obj, "Name", sysctl_devname,
-					IAS_KERNEL_ATTR);
-#else
-		irias_add_string_attrib(obj, "Name", "Linux", IAS_KERNEL_ATTR);
-#endif
-		irias_add_string_attrib(obj, "DeviceID", "HWP19F0",
-					IAS_KERNEL_ATTR);
-		irias_add_integer_attrib(obj, "CompCnt", 1, IAS_KERNEL_ATTR);
-		if (self->provider.access_type == ACCESS_PEER)
-			irias_add_string_attrib(obj, "Comp#01", "PNP8389",
-						IAS_KERNEL_ATTR);
-		else
-			irias_add_string_attrib(obj, "Comp#01", "PNP8294",
-						IAS_KERNEL_ATTR);
-
-		irias_add_string_attrib(obj, "Manufacturer",
-					"Linux-IrDA Project", IAS_KERNEL_ATTR);
-		irias_insert_object(obj);
-	}
-}
-
-/*
- * Function irlan_run_ctrl_tx_queue (self)
- *
- *    Try to send the next command in the control transmit queue
- *
- */
-int irlan_run_ctrl_tx_queue(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-
-	if (irda_lock(&self->client.tx_busy) == FALSE)
-		return -EBUSY;
-
-	skb = skb_dequeue(&self->client.txq);
-	if (!skb) {
-		self->client.tx_busy = FALSE;
-		return 0;
-	}
-
-	/* Check that it's really possible to send commands */
-	if ((self->client.tsap_ctrl == NULL) ||
-	    (self->client.state == IRLAN_IDLE))
-	{
-		self->client.tx_busy = FALSE;
-		dev_kfree_skb(skb);
-		return -1;
-	}
-	pr_debug("%s(), sending ...\n", __func__);
-
-	return irttp_data_request(self->client.tsap_ctrl, skb);
-}
-
-/*
- * Function irlan_ctrl_data_request (self, skb)
- *
- *    This function makes sure that commands on the control channel is being
- *    sent in a command/response fashion
- */
-static void irlan_ctrl_data_request(struct irlan_cb *self, struct sk_buff *skb)
-{
-	/* Queue command */
-	skb_queue_tail(&self->client.txq, skb);
-
-	/* Try to send command */
-	irlan_run_ctrl_tx_queue(self);
-}
-
-/*
- * Function irlan_get_provider_info (self)
- *
- *    Send Get Provider Information command to peer IrLAN layer
- *
- */
-void irlan_get_provider_info(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER,
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	/* Reserve space for TTP, LMP, and LAP header */
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	frame[0] = CMD_GET_PROVIDER_INFO;
-	frame[1] = 0x00;                 /* Zero parameters */
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function irlan_open_data_channel (self)
- *
- *    Send an Open Data Command to provider
- *
- */
-void irlan_open_data_channel(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_STRING_PARAMETER_LEN("MEDIA", "802.3") +
-			IRLAN_STRING_PARAMETER_LEN("ACCESS_TYPE", "DIRECT"),
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	/* Build frame */
-	frame[0] = CMD_OPEN_DATA_CHANNEL;
-	frame[1] = 0x02; /* Two parameters */
-
-	irlan_insert_string_param(skb, "MEDIA", "802.3");
-	irlan_insert_string_param(skb, "ACCESS_TYPE", "DIRECT");
-	/* irlan_insert_string_param(skb, "MODE", "UNRELIABLE"); */
-
-/* 	self->use_udata = TRUE; */
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-void irlan_close_data_channel(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/* Check if the TSAP is still there */
-	if (self->client.tsap_ctrl == NULL)
-		return;
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN"),
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	/* Build frame */
-	frame[0] = CMD_CLOSE_DATA_CHAN;
-	frame[1] = 0x01; /* One parameter */
-
-	irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data);
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function irlan_open_unicast_addr (self)
- *
- *    Make IrLAN provider accept ethernet frames addressed to the unicast
- *    address.
- *
- */
-static void irlan_open_unicast_addr(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") +
-			IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "DIRECTED") +
-			IRLAN_STRING_PARAMETER_LEN("FILTER_MODE", "FILTER"),
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	/* Reserve space for TTP, LMP, and LAP header */
-	skb_reserve(skb, self->max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	frame[0] = CMD_FILTER_OPERATION;
-	frame[1] = 0x03;                 /* Three parameters */
-	irlan_insert_byte_param(skb, "DATA_CHAN" , self->dtsap_sel_data);
-	irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED");
-	irlan_insert_string_param(skb, "FILTER_MODE", "FILTER");
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function irlan_set_broadcast_filter (self, status)
- *
- *    Make IrLAN provider accept ethernet frames addressed to the broadcast
- *    address. Be careful with the use of this one, since there may be a lot
- *    of broadcast traffic out there. We can still function without this
- *    one but then _we_ have to initiate all communication with other
- *    hosts, since ARP request for this host will not be answered.
- */
-void irlan_set_broadcast_filter(struct irlan_cb *self, int status)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") +
-			IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "BROADCAST") +
-			/* We may waste one byte here...*/
-			IRLAN_STRING_PARAMETER_LEN("FILTER_MODE", "FILTER"),
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	/* Reserve space for TTP, LMP, and LAP header */
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	frame[0] = CMD_FILTER_OPERATION;
-	frame[1] = 0x03;                 /* Three parameters */
-	irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data);
-	irlan_insert_string_param(skb, "FILTER_TYPE", "BROADCAST");
-	if (status)
-		irlan_insert_string_param(skb, "FILTER_MODE", "FILTER");
-	else
-		irlan_insert_string_param(skb, "FILTER_MODE", "NONE");
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function irlan_set_multicast_filter (self, status)
- *
- *    Make IrLAN provider accept ethernet frames addressed to the multicast
- *    address.
- *
- */
-void irlan_set_multicast_filter(struct irlan_cb *self, int status)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") +
-			IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "MULTICAST") +
-			/* We may waste one byte here...*/
-			IRLAN_STRING_PARAMETER_LEN("FILTER_MODE", "NONE"),
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	/* Reserve space for TTP, LMP, and LAP header */
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	frame[0] = CMD_FILTER_OPERATION;
-	frame[1] = 0x03;                 /* Three parameters */
-	irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data);
-	irlan_insert_string_param(skb, "FILTER_TYPE", "MULTICAST");
-	if (status)
-		irlan_insert_string_param(skb, "FILTER_MODE", "ALL");
-	else
-		irlan_insert_string_param(skb, "FILTER_MODE", "NONE");
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function irlan_get_unicast_addr (self)
- *
- *    Retrieves the unicast address from the IrLAN provider. This address
- *    will be inserted into the devices structure, so the ethernet layer
- *    can construct its packets.
- *
- */
-static void irlan_get_unicast_addr(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_BYTE_PARAMETER_LEN("DATA_CHAN") +
-			IRLAN_STRING_PARAMETER_LEN("FILTER_TYPE", "DIRECTED") +
-			IRLAN_STRING_PARAMETER_LEN("FILTER_OPERATION",
-						   "DYNAMIC"),
-			GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	/* Reserve space for TTP, LMP, and LAP header */
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	frame[0] = CMD_FILTER_OPERATION;
-	frame[1] = 0x03;                 /* Three parameters */
-	irlan_insert_byte_param(skb, "DATA_CHAN", self->dtsap_sel_data);
-	irlan_insert_string_param(skb, "FILTER_TYPE", "DIRECTED");
-	irlan_insert_string_param(skb, "FILTER_OPERATION", "DYNAMIC");
-
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function irlan_get_media_char (self)
- *
- *
- *
- */
-void irlan_get_media_char(struct irlan_cb *self)
-{
-	struct sk_buff *skb;
-	__u8 *frame;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	skb = alloc_skb(IRLAN_MAX_HEADER + IRLAN_CMD_HEADER +
-			IRLAN_STRING_PARAMETER_LEN("MEDIA", "802.3"),
-			GFP_ATOMIC);
-
-	if (!skb)
-		return;
-
-	/* Reserve space for TTP, LMP, and LAP header */
-	skb_reserve(skb, self->client.max_header_size);
-	skb_put(skb, 2);
-
-	frame = skb->data;
-
-	/* Build frame */
-	frame[0] = CMD_GET_MEDIA_CHAR;
-	frame[1] = 0x01; /* One parameter */
-
-	irlan_insert_string_param(skb, "MEDIA", "802.3");
-	irlan_ctrl_data_request(self, skb);
-}
-
-/*
- * Function insert_byte_param (skb, param, value)
- *
- *    Insert byte parameter into frame
- *
- */
-int irlan_insert_byte_param(struct sk_buff *skb, char *param, __u8 value)
-{
-	return __irlan_insert_param(skb, param, IRLAN_BYTE, value, 0, NULL, 0);
-}
-
-int irlan_insert_short_param(struct sk_buff *skb, char *param, __u16 value)
-{
-	return __irlan_insert_param(skb, param, IRLAN_SHORT, 0, value, NULL, 0);
-}
-
-/*
- * Function insert_string (skb, param, value)
- *
- *    Insert string parameter into frame
- *
- */
-int irlan_insert_string_param(struct sk_buff *skb, char *param, char *string)
-{
-	int string_len = strlen(string);
-
-	return __irlan_insert_param(skb, param, IRLAN_ARRAY, 0, 0, string,
-				    string_len);
-}
-
-/*
- * Function insert_array_param(skb, param, value, len_value)
- *
- *    Insert array parameter into frame
- *
- */
-int irlan_insert_array_param(struct sk_buff *skb, char *name, __u8 *array,
-			     __u16 array_len)
-{
-	return __irlan_insert_param(skb, name, IRLAN_ARRAY, 0, 0, array,
-				    array_len);
-}
-
-/*
- * Function insert_param (skb, param, value, byte)
- *
- *    Insert parameter at end of buffer, structure of a parameter is:
- *
- *    -----------------------------------------------------------------------
- *    | Name Length[1] | Param Name[1..255] | Val Length[2] | Value[0..1016]|
- *    -----------------------------------------------------------------------
- */
-static int __irlan_insert_param(struct sk_buff *skb, char *param, int type,
-				__u8 value_byte, __u16 value_short,
-				__u8 *value_array, __u16 value_len)
-{
-	__u8 *frame;
-	__u8 param_len;
-	__le16 tmp_le; /* Temporary value in little endian format */
-	int n=0;
-
-	if (skb == NULL) {
-		pr_debug("%s(), Got NULL skb\n", __func__);
-		return 0;
-	}
-
-	param_len = strlen(param);
-	switch (type) {
-	case IRLAN_BYTE:
-		value_len = 1;
-		break;
-	case IRLAN_SHORT:
-		value_len = 2;
-		break;
-	case IRLAN_ARRAY:
-		IRDA_ASSERT(value_array != NULL, return 0;);
-		IRDA_ASSERT(value_len > 0, return 0;);
-		break;
-	default:
-		pr_debug("%s(), Unknown parameter type!\n", __func__);
-		return 0;
-	}
-
-	/* Insert at end of sk-buffer */
-	frame = skb_tail_pointer(skb);
-
-	/* Make space for data */
-	if (skb_tailroom(skb) < (param_len+value_len+3)) {
-		pr_debug("%s(), No more space at end of skb\n", __func__);
-		return 0;
-	}
-	skb_put(skb, param_len+value_len+3);
-
-	/* Insert parameter length */
-	frame[n++] = param_len;
-
-	/* Insert parameter */
-	memcpy(frame+n, param, param_len); n += param_len;
-
-	/* Insert value length (2 byte little endian format, LSB first) */
-	tmp_le = cpu_to_le16(value_len);
-	memcpy(frame+n, &tmp_le, 2); n += 2; /* To avoid alignment problems */
-
-	/* Insert value */
-	switch (type) {
-	case IRLAN_BYTE:
-		frame[n++] = value_byte;
-		break;
-	case IRLAN_SHORT:
-		tmp_le = cpu_to_le16(value_short);
-		memcpy(frame+n, &tmp_le, 2); n += 2;
-		break;
-	case IRLAN_ARRAY:
-		memcpy(frame+n, value_array, value_len); n+=value_len;
-		break;
-	default:
-		break;
-	}
-	IRDA_ASSERT(n == (param_len+value_len+3), return 0;);
-
-	return param_len+value_len+3;
-}
-
-/*
- * Function irlan_extract_param (buf, name, value, len)
- *
- *    Extracts a single parameter name/value pair from buffer and updates
- *    the buffer pointer to point to the next name/value pair.
- */
-int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len)
-{
-	__u8 name_len;
-	__u16 val_len;
-	int n=0;
-
-	/* get length of parameter name (1 byte) */
-	name_len = buf[n++];
-
-	if (name_len > 254) {
-		pr_debug("%s(), name_len > 254\n", __func__);
-		return -RSP_INVALID_COMMAND_FORMAT;
-	}
-
-	/* get parameter name */
-	memcpy(name, buf+n, name_len);
-	name[name_len] = '\0';
-	n+=name_len;
-
-	/*
-	 *  Get length of parameter value (2 bytes in little endian
-	 *  format)
-	 */
-	memcpy(&val_len, buf+n, 2); /* To avoid alignment problems */
-	le16_to_cpus(&val_len); n+=2;
-
-	if (val_len >= 1016) {
-		pr_debug("%s(), parameter length to long\n", __func__);
-		return -RSP_INVALID_COMMAND_FORMAT;
-	}
-	*len = val_len;
-
-	/* get parameter value */
-	memcpy(value, buf+n, val_len);
-	value[val_len] = '\0';
-	n+=val_len;
-
-	pr_debug("Parameter: %s ", name);
-	pr_debug("Value: %s\n", value);
-
-	return n;
-}
-
-#ifdef CONFIG_PROC_FS
-
-/*
- * Start of reading /proc entries.
- * Return entry at pos,
- *	or start_token to indicate print header line
- *	or NULL if end of file
- */
-static void *irlan_seq_start(struct seq_file *seq, loff_t *pos)
-{
-	rcu_read_lock();
-	return seq_list_start_head(&irlans, *pos);
-}
-
-/* Return entry after v, and increment pos */
-static void *irlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	return seq_list_next(v, &irlans, pos);
-}
-
-/* End of reading /proc file */
-static void irlan_seq_stop(struct seq_file *seq, void *v)
-{
-	rcu_read_unlock();
-}
-
-
-/*
- * Show one entry in /proc file.
- */
-static int irlan_seq_show(struct seq_file *seq, void *v)
-{
-	if (v == &irlans)
-		seq_puts(seq, "IrLAN instances:\n");
-	else {
-		struct irlan_cb *self = list_entry(v, struct irlan_cb, dev_list);
-
-		IRDA_ASSERT(self != NULL, return -1;);
-		IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
-
-		seq_printf(seq,"ifname: %s,\n",
-			       self->dev->name);
-		seq_printf(seq,"client state: %s, ",
-			       irlan_state[ self->client.state]);
-		seq_printf(seq,"provider state: %s,\n",
-			       irlan_state[ self->provider.state]);
-		seq_printf(seq,"saddr: %#08x, ",
-			       self->saddr);
-		seq_printf(seq,"daddr: %#08x\n",
-			       self->daddr);
-		seq_printf(seq,"version: %d.%d,\n",
-			       self->version[1], self->version[0]);
-		seq_printf(seq,"access type: %s\n",
-			       irlan_access[self->client.access_type]);
-		seq_printf(seq,"media: %s\n",
-			       irlan_media[self->media]);
-
-		seq_printf(seq,"local filter:\n");
-		seq_printf(seq,"remote filter: ");
-		irlan_print_filter(seq, self->client.filter_type);
-		seq_printf(seq,"tx busy: %s\n",
-			       netif_queue_stopped(self->dev) ? "TRUE" : "FALSE");
-
-		seq_putc(seq,'\n');
-	}
-	return 0;
-}
-
-static const struct seq_operations irlan_seq_ops = {
-	.start = irlan_seq_start,
-	.next  = irlan_seq_next,
-	.stop  = irlan_seq_stop,
-	.show  = irlan_seq_show,
-};
-
-static int irlan_seq_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &irlan_seq_ops);
-}
-#endif
-
-MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
-MODULE_DESCRIPTION("The Linux IrDA LAN protocol");
-MODULE_LICENSE("GPL");
-
-module_param(eth, bool, 0);
-MODULE_PARM_DESC(eth, "Name devices ethX (0) or irlanX (1)");
-module_param(access, int, 0);
-MODULE_PARM_DESC(access, "Access type DIRECT=1, PEER=2, HOSTED=3");
-
-module_init(irlan_init);
-module_exit(irlan_cleanup);
-