patch-2.2.15 linux/net/irda/irlpt/irlpt_cli.c

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diff -u --new-file --recursive --exclude-from ../../exclude v2.2.14/net/irda/irlpt/irlpt_cli.c linux/net/irda/irlpt/irlpt_cli.c
@@ -1,660 +0,0 @@
-/*********************************************************************
- *
- * Filename:      irlpt_cli.c
- * Version:       
- * Description:   
- * Status:        Experimental.
- * Author:        Thomas Davis, <ratbert@radiks.net>
- * Created at:    Sat Feb 21 18:54:38 1998
- * Modified at:   Sun Mar  8 23:44:19 1998
- * Modified by:   Dag Brattli <dagb@cs.uit.no>
- * Sources:	  irlan.c
- *
- *     Copyright (c) 1998, Thomas Davis, <ratbert@radiks.net>,
- *     Copyright (c) 1998, 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.
- *
- *     I, Thomas Davis, provide no warranty for any of this software.
- *     This material is provided "AS-IS" and at no charge.
- *
- ********************************************************************/
-
-#include <net/irda/irlap.h>
-#include <net/irda/irttp.h>
-#include <net/irda/irlmp.h>
-#include <net/irda/irias_object.h>
-#include <net/irda/iriap.h>
-#include <net/irda/irlpt_common.h>
-#include <net/irda/irlpt_cli.h>
-#include <net/irda/irlpt_cli_fsm.h>
-#include <net/irda/timer.h>
-#include <net/irda/irda.h>
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-
-#include <asm/uaccess.h>
-#include <linux/miscdevice.h>
-#include <linux/proc_fs.h>
-
-int irlpt_client_init(void);
-static void irlpt_client_close(struct irlpt_cb *self);
-
-static void irlpt_client_discovery_indication(discovery_t *);
-
-static void irlpt_client_connect_confirm(void *instance, void *sap, 
-					 struct qos_info *qos, 
-					 __u32 max_seg_size, 
-					 __u8 max_header_size,
-					 struct sk_buff *skb);
-static void irlpt_client_disconnect_indication(void *instance, void *sap, 
-					       LM_REASON reason,
-					       struct sk_buff *userdata);
-static void irlpt_client_expired(unsigned long data);
-
-#if 0
-static char *rcsid = "$Id: irlpt_client.c,v 1.10 1998/11/10 22:50:57 dagb Exp $";
-#endif
-static char *version = "IrLPT client, v2 (Thomas Davis)";
-
-static __u32 ckey; /* IrLMP client handle */
-
-struct file_operations client_fops = {
-	irlpt_seek,    /* seek */
-	NULL,          /* read_irlpt (server) */
-	irlpt_write,   /* write */
-	NULL,	       /* readdir */
-	NULL,          /* poll */
-	NULL,	       /* ioctl */
-	NULL,	       /* mmap */
-	irlpt_open,    /* open */
-	NULL,          /* flush */
-	irlpt_close,   /* release */
-	NULL,          /* fsync */
-	NULL,          /* fasync */
-	NULL,          /* check_media_change */
-	NULL,          /* revalidate */
-	NULL,          /* lock */
-};
-
-int irlpt_client_debug = 4;
-
-extern char *irlptstate[];
-
-#ifdef CONFIG_PROC_FS
-
-/*
- * Function client_proc_read (buf, start, offset, len, unused)
- *
- */
-static int irlpt_client_proc_read( char *buf, char **start, off_t offset, 
-				   int len, int unused)
-{
-	struct irlpt_cb *self;
-	int index;
-
-	len = sprintf(buf, "%s\n\n", version);
-
-	self = (struct irlpt_cb *) hashbin_get_first( irlpt_clients);
-	while( self) {
-	        ASSERT( self != NULL, return len;);
-          	ASSERT( self->magic == IRLPT_MAGIC, return len;);
-		if (self->in_use == FALSE) {
-		        break;
-		}
-
-		len += sprintf(buf+len, "ifname: %s\n", self->ifname);
-		len += sprintf(buf+len, "minor: %d\n", self->ir_dev.minor);
-
-		switch ( self->servicetype) {
-		case IRLPT_UNKNOWN:
-			index = 0;
-			break;
-		case IRLPT_THREE_WIRE_RAW:
-			index = 1;
-			break;
-		case IRLPT_THREE_WIRE:
-			index = 2;
-			break;
-		case IRLPT_NINE_WIRE:
-			index = 3;
-			break;
-		case IRLPT_CENTRONICS:
-			index = 4;
-			break;
-		case IRLPT_SERVER_MODE:
-			index = 5;
-			break;
-		default:
-			index = 0;
-			break;
-		}
-		
-		len += sprintf(buf+len, "service_type: %s, port type: %s\n", 
-			       irlpt_service_type[index],
-			       irlpt_port_type[ self->porttype]);
-
-		len += sprintf(buf+len, "saddr: 0x%08x, daddr: 0x%08x\n", 
-			       self->saddr, self->daddr);
-		len += sprintf(buf+len, 
-			       "retries: %d, count: %d, queued packets: %d\n", 
-			       self->open_retries,
-			       self->count, self->pkt_count);
-		len += sprintf(buf+len, "slsap: %d, dlsap: %d\n", 
-			       self->slsap_sel, self->dlsap_sel);
-		len += sprintf(buf+len, "fsm state: %s\n", 
-			       irlpt_client_fsm_state[self->state]);
-		len += sprintf(buf+len, "\n\n");
-		
-		self = (struct irlpt_cb *) hashbin_get_next( irlpt_clients);
-	}
-	
-	return len;
-}
-
-extern struct proc_dir_entry *proc_irda;
-
-#endif /* CONFIG_PROC_FS */
-
-/*
- * Function irlpt_client_init (dev)
- *
- *   Initializes the irlpt control structure
- *
- */
-__initfunc(int irlpt_client_init(void))
-{
-	__u16 hints;
-	
-	DEBUG( irlpt_client_debug, "--> "__FUNCTION__ "\n");
-
-	printk( KERN_INFO "%s\n", version);
-
-	irlpt_clients = hashbin_new( HB_LOCAL); 
-	if ( irlpt_clients == NULL) {
-		printk( KERN_WARNING 
-			"IrLPT client: Can't allocate hashbin!\n");
-		return -ENOMEM;
-	}
-	hints = irlmp_service_to_hint(S_PRINTER);
-	ckey = irlmp_register_client(hints, irlpt_client_discovery_indication,
-				     NULL);
-
-#ifdef CONFIG_PROC_FS
-	create_proc_entry("irlpt_client", 0, proc_irda)->get_info
-		= irlpt_client_proc_read;
-#endif /* CONFIG_PROC_FS */
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-
-	return 0;
-}
-
-
-#ifdef MODULE
-/*
- * Function irlpt_client_cleanup (void)
- *
- */
-static void irlpt_client_cleanup(void)
-{
-	DEBUG( irlpt_client_debug, "--> "__FUNCTION__ "\n");
-
-	irlmp_unregister_client(ckey);
-
-	/*
-	 *  Delete hashbin and close all irlpt client instances in it
-	 */
-	hashbin_delete( irlpt_clients, (FREE_FUNC) irlpt_client_close);
-
-#ifdef CONFIG_PROC_FS
-	remove_proc_entry("irlpt_client", proc_irda);
-#endif
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-#endif /* MODULE */
-
-
-/*
- * Function irlpt_client_open (void)
- *
- */
-static struct irlpt_cb *irlpt_client_open( __u32 daddr)
-{
-	struct irmanager_event mgr_event;
-	struct irlpt_cb *self;
-
-	DEBUG( irlpt_client_debug, "--> "__FUNCTION__ "\n");
-
-	self = (struct irlpt_cb *) hashbin_find(irlpt_clients, daddr, NULL);
-
-	if (self == NULL) {
-	        self = kmalloc(sizeof(struct irlpt_cb), GFP_ATOMIC);
-		if (self == NULL)
-		        return NULL;
-
-		memset(self, 0, sizeof(struct irlpt_cb));
-
-		ASSERT( self != NULL, return NULL;);
-
-		sprintf(self->ifname, "irlpt%d", 
-			hashbin_get_size(irlpt_clients));
-
-		hashbin_insert( irlpt_clients, (QUEUE *) self, daddr, NULL);
-	}
-
-	self->ir_dev.minor = MISC_DYNAMIC_MINOR;
-	self->ir_dev.name = self->ifname;
-	self->ir_dev.fops = &client_fops;
-
-	misc_register(&self->ir_dev);
-
-	self->magic = IRLPT_MAGIC;
-	self->in_use = TRUE;
-	self->servicetype = IRLPT_THREE_WIRE_RAW;
-	self->porttype = IRLPT_SERIAL;
-	self->do_event = irlpt_client_do_event;
-
-	skb_queue_head_init(&self->rx_queue);
-
-	irlpt_client_next_state( self, IRLPT_CLIENT_IDLE);
-
-	/* Tell irmanager to create /dev/irlpt<X> */
-	mgr_event.event = EVENT_IRLPT_START;
-	sprintf(mgr_event.devname, "%s", self->ifname);
-	irmanager_notify(&mgr_event);
-
-	MOD_INC_USE_COUNT;
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-
-	return self;
-}
-
-/*
- * Function irlpt_client_close (self)
- *
- *    This function closes and marks the IrLPT instance as not in use.
- */
-static void irlpt_client_close( struct irlpt_cb *self)
-{
-	struct irmanager_event mgr_event;
-	struct sk_buff *skb;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	ASSERT( self != NULL, return;);
-	ASSERT( self->magic == IRLPT_MAGIC, return;);
-
-	/* Tell irmanager to remove /dev/irlpt<X> */
-	mgr_event.event = EVENT_IRLPT_STOP;
- 	sprintf(mgr_event.devname, "%s", self->ifname);
- 	irmanager_notify(&mgr_event);
-
-	while (( skb = skb_dequeue(&self->rx_queue)) != NULL) {
-		DEBUG(irlpt_client_debug, 
-		      __FUNCTION__ ": freeing SKB\n");
-                dev_kfree_skb( skb);
-	}
-
-	misc_deregister(&self->ir_dev);
-	self->in_use = FALSE;
-
-	MOD_DEC_USE_COUNT;
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-/*
- * Function irlpt_discovery_indication (daddr)
- *
- *    Remote device discovered, try query the remote IAS to see which
- *    device it is, and which services it has.
- *
- */
-static void irlpt_client_discovery_indication(discovery_t *discovery)
-{
-	struct irlpt_info info;
-	struct irlpt_cb *self;
-	__u32 daddr; /* address of remote printer */
-	__u32 saddr; /* address of local link where it was discovered */
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	ASSERT( irlpt_clients != NULL, return;);
-	ASSERT( discovery != NULL, return;);
-
-	daddr = info.daddr = discovery->daddr;
-	saddr = info.saddr = discovery->saddr;
-
-	/*
-	 *  Check if an instance is already dealing with this device
-	 *  (daddr)
-	 */
-	self = (struct irlpt_cb *) hashbin_find( irlpt_clients, daddr, NULL);
-      	if (self == NULL || self->in_use == FALSE) {
-	        DEBUG( irlpt_client_debug, __FUNCTION__ 
-		       ": daddr 0x%08x not found or was closed\n", daddr);
-	        /*
-		 * We have no instance for daddr, so time to start a new 
-		 * instance. First we must find a free entry in master array
-		 */
-		if (( self = irlpt_client_open( daddr)) == NULL) {
-			DEBUG(irlpt_client_debug, __FUNCTION__ 
-			      ": failed!\n");
-			return;
-		}
-	}
-
-	ASSERT(self != NULL, return;);
-	ASSERT(self->magic == IRLPT_MAGIC, return;);
-
-	self->daddr = daddr;
-	self->saddr = saddr;
-	self->timeout = irlpt_client_expired;
-
-	irda_start_timer( &self->lpt_timer, 5000, (unsigned long) self, 
-			  self->timeout);
-	
-#if 0
-	/* changed to wake up when we get connected; that way,
-	   if the connection drops, we can easily kill the link. */
-	wake_up_interruptible( &self->write_wait);
-#endif
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-/*
- * Function irlpt_disconnect_indication (handle)
- *
- */
-static void irlpt_client_disconnect_indication( void *instance,
-						void *sap, 
-						LM_REASON reason,
-						struct sk_buff *skb)
-{
-	struct irlpt_info info;
-	struct irlpt_cb *self;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	self = ( struct irlpt_cb *) instance;
-
-	ASSERT( self != NULL, return;);
-	ASSERT( self->magic == IRLPT_MAGIC, return;);
-
-	info.daddr = self->daddr;
-
-        DEBUG( irlpt_client_debug, 
-	       __FUNCTION__ ": reason=%d (%s), peersap=%d\n",
-	       reason, irlpt_reasons[reason], self->dlsap_sel);
-
-	self->connected = IRLPT_DISCONNECTED;
-	self->eof = reason;
-
-	wake_up_interruptible( &self->write_wait);
-
-	irlpt_client_do_event( self, LMP_DISCONNECT, NULL, NULL);
-
-	if (skb)
-		dev_kfree_skb( skb);
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-/*
- * Function irlpt_connect_confirm (handle, qos, skb)
- *
- *    LSAP connection confirmed!
- */
-static void irlpt_client_connect_confirm(void *instance, void *sap, 
-					 struct qos_info *qos, 
-					 __u32 max_seg_size,
-					 __u8 max_header_size,
-					 struct sk_buff *skb)
-{
-	struct irlpt_info info;
-	struct irlpt_cb *self;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	self = ( struct irlpt_cb *) instance;
-	
-	ASSERT( self != NULL, return;);
-	ASSERT( self->magic == IRLPT_MAGIC, return;);
-
-	info.daddr = self->daddr;
-
-#if 0
-	/*
-	 *  Check if we have got some QoS parameters back! This should be the
-	 *  negotiated QoS for the link.
-	 */
-	if ( qos) {
-		DEBUG( irlpt_client_debug, __FUNCTION__ ": Frame Size: %d\n",
-		       qos->data_size.value);
-	}
-#endif
-
-	self->max_data_size = max_seg_size;
-	self->max_header_size = max_header_size;
-	self->connected = TRUE;
-	
-	irlpt_client_do_event( self, LMP_CONNECT, NULL, NULL);
-
-	if (skb)
-		dev_kfree_skb( skb);
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-/*
- * Function client_data_indication (handle, skb)
- *
- *    This function gets the data that is received on the data channel
- *
- */
-static int irlpt_client_data_indication(void *instance, void *sap, 
-					struct sk_buff *skb) 
-{
-	struct irlpt_cb *self;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	ASSERT( skb != NULL, return -1;);
-	DEBUG( irlpt_client_debug, __FUNCTION__ ": len=%d\n", (int) skb->len);
-
-	self = ( struct irlpt_cb *) instance;
-
-	ASSERT( self != NULL, return -1;);
-	ASSERT( self->magic == IRLPT_MAGIC, return -1;);
-#if 1
-	{
-		int i;
-
-		for(i=0;i<skb->len;i++)
-			if (skb->data[i] > 31 && skb->data[i] < 128) {
-				printk("%c", skb->data[i]);
-			} else {
-				if (skb->data[i] == 0x0d) {
-					printk("\n");
-				} else {
-					printk(".");
-				}
-			}
-
-		printk("\n");
-	}
-#endif
-	
-	skb_queue_tail(&self->rx_queue, skb);
-        wake_up_interruptible(&self->read_wait);
-
-/* 	if (skb) { */
-/* 		dev_kfree_skb( skb); */
-/* 	} */
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-
-	return 0;
-}
-
-/*
- * Function irlpt_get_value_confirm (obj_id, type, value_int, value_char, priv)
- *
- *    Fixed to match changes in iriap.h, DB.
- *
- */
-void irlpt_client_get_value_confirm(int result, __u16 obj_id, 
-				    struct ias_value *value, void *priv)
-{
-	struct irlpt_info info;
-	struct irlpt_cb *self;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	ASSERT( priv != NULL, return;);
-
-	self = (struct irlpt_cb *) priv;
-
-	ASSERT( self != NULL, return;);
-	ASSERT( self->magic == IRLPT_MAGIC, return;);
-
-	/* Check if request succeeded */
-	if (result != IAS_SUCCESS) {
-		DEBUG( 0, __FUNCTION__ "(), got NULL value!\n");
-		irlpt_client_do_event( self, IAS_PROVIDER_NOT_AVAIL, NULL, 
-				       &info);
-		return;
-	}
-
-	if ( value->type == IAS_INTEGER && value->t.integer != -1) {
-	        info.dlsap_sel = value->t.integer;
-		self->dlsap_sel = value->t.integer;
-
-		DEBUG( irlpt_client_debug, __FUNCTION__ 
-		       ": obj_id = %d, value = %d\n", 
-		       obj_id, value->t.integer);
-
-		irlpt_client_do_event( self, IAS_PROVIDER_AVAIL, NULL, &info);
-	} else
-		irlpt_client_do_event( self, IAS_PROVIDER_NOT_AVAIL, NULL, 
-				       &info);
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-void irlpt_client_connect_request( struct irlpt_cb *self) 
-{
-	struct notify_t lpt_notify;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	ASSERT( self != NULL, return;);
-	ASSERT( self->magic == IRLPT_MAGIC, return;);
-
-	irda_notify_init( &lpt_notify);
-
-	lpt_notify.connect_confirm = irlpt_client_connect_confirm;
-	lpt_notify.disconnect_indication = irlpt_client_disconnect_indication;
-	lpt_notify.data_indication = irlpt_client_data_indication;
-	strcpy( lpt_notify.name, "IrLPT client");
-	lpt_notify.instance = self;
-
-	self->lsap = irlmp_open_lsap( LSAP_ANY, &lpt_notify);
-	DEBUG( irlpt_client_debug, __FUNCTION__ ": Dest LSAP sel= %d\n", 
-	       self->dlsap_sel);
-	
-	if (self->servicetype == IRLPT_THREE_WIRE_RAW) {
-	        DEBUG( irlpt_client_debug, __FUNCTION__ 
-		       ": issue THREE_WIRE_RAW connect\n");
-		irlmp_connect_request( self->lsap, self->dlsap_sel, 
-				       self->saddr, self->daddr, NULL, NULL);
-	}
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-static void irlpt_client_expired(unsigned long data)
-{
-	struct irlpt_cb *self = (struct irlpt_cb *) data;
-	struct sk_buff *skb;
-
-	DEBUG( irlpt_client_debug, "--> " __FUNCTION__ "\n");
-
-	DEBUG( irlpt_client_debug, __FUNCTION__
-	       ": removing irlpt_cb!\n");
-
-	ASSERT(self != NULL, return; );
-	ASSERT(self->magic == IRLPT_MAGIC, return;);
-
-	if (self->state == IRLPT_CLIENT_CONN) {
-		skb = dev_alloc_skb(64);
-		if (skb == NULL) {
-			DEBUG( 0, __FUNCTION__ "(: Could not allocate an "
-			       "sk_buff of length %d\n", 64);
-			return;
-		}
-
-		skb_reserve(skb, LMP_MAX_HEADER);
-		irlmp_disconnect_request(self->lsap, skb);
-		DEBUG(irlpt_client_debug, __FUNCTION__
-		      ": irlmp_close_slap(self->lsap)\n");
-		irlmp_close_lsap(self->lsap);
-	}
-
-	irlpt_client_close(self);
-
-	DEBUG( irlpt_client_debug, __FUNCTION__ " -->\n");
-}
-
-#ifdef MODULE
-
-MODULE_AUTHOR("Thomas Davis <ratbert@radiks.net>");
-MODULE_DESCRIPTION("The Linux IrDA/IrLPT client protocol");
-MODULE_PARM(irlpt_client_debug,"1i");
-MODULE_PARM(irlpt_client_fsm_debug,"1i");
-
-/*
- * Function init_module (void)
- *
- *    Initialize the IrLPT client module, this function is called by the
- *    modprobe(1) program.
- */
-int init_module(void)
-{
-
-        DEBUG( irlpt_client_debug, "--> IrLPT client: init_module\n");
-
-        irlpt_client_init();
-
-        DEBUG( irlpt_client_debug, "IrLPT client: init_module -->\n");
-
-        return 0;
-}
-
-/*
- * Function cleanup_module (void)
- *
- *    Remove the IrLPT server module, this function is called by the rmmod(1)
- *    program
- */
-void cleanup_module(void)
-{
-        DEBUG( irlpt_client_debug, "--> IrLPT client: cleanup_module\n");
-        /* No need to check MOD_IN_USE, as sys_delete_module() checks. */
-
-        /* Free some memory */
-        irlpt_client_cleanup();
-
-        DEBUG( irlpt_client_debug, "IrLPT client: cleanup_module -->\n");
-}
-
-#endif /* MODULE */

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