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Diffstat (limited to 'net/irda/irlan/irlan_client.c')
-rw-r--r--net/irda/irlan/irlan_client.c559
1 files changed, 0 insertions, 559 deletions
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
deleted file mode 100644
index c5837a40c78e..000000000000
--- a/net/irda/irlan/irlan_client.c
+++ /dev/null
@@ -1,559 +0,0 @@
-/*********************************************************************
- *
- * Filename:      irlan_client.c
- * Version:       0.9
- * Description:   IrDA LAN Access Protocol (IrLAN) Client
- * Status:        Experimental.
- * Author:        Dag Brattli <dagb@cs.uit.no>
- * Created at:    Sun Aug 31 20:14:37 1997
- * Modified at:   Tue Dec 14 15:47:02 1999
- * Modified by:   Dag Brattli <dagb@cs.uit.no>
- * Sources:       skeleton.c by Donald Becker <becker@CESDIS.gsfc.nasa.gov>
- *                slip.c by Laurence Culhane, <loz@holmes.demon.co.uk>
- *                          Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
- *
- *     Copyright (c) 1998-1999 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/kernel.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <linux/bitops.h>
-#include <net/arp.h>
-
-#include <asm/byteorder.h>
-
-#include <net/irda/irda.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/timer.h>
-
-#include <net/irda/irlan_common.h>
-#include <net/irda/irlan_event.h>
-#include <net/irda/irlan_eth.h>
-#include <net/irda/irlan_provider.h>
-#include <net/irda/irlan_client.h>
-
-#undef CONFIG_IRLAN_GRATUITOUS_ARP
-
-static void irlan_client_ctrl_disconnect_indication(void *instance, void *sap,
-						    LM_REASON reason,
-						    struct sk_buff *);
-static int irlan_client_ctrl_data_indication(void *instance, void *sap,
-					     struct sk_buff *skb);
-static void irlan_client_ctrl_connect_confirm(void *instance, void *sap,
-					      struct qos_info *qos,
-					      __u32 max_sdu_size,
-					      __u8 max_header_size,
-					      struct sk_buff *);
-static void irlan_check_response_param(struct irlan_cb *self, char *param,
-				       char *value, int val_len);
-static void irlan_client_open_ctrl_tsap(struct irlan_cb *self);
-
-static void irlan_client_kick_timer_expired(void *data)
-{
-	struct irlan_cb *self = (struct irlan_cb *) data;
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/*
-	 * If we are in peer mode, the client may not have got the discovery
-	 * indication it needs to make progress. If the client is still in
-	 * IDLE state, we must kick it to, but only if the provider is not IDLE
-	 */
-	if ((self->provider.access_type == ACCESS_PEER) &&
-	    (self->client.state == IRLAN_IDLE) &&
-	    (self->provider.state != IRLAN_IDLE)) {
-		irlan_client_wakeup(self, self->saddr, self->daddr);
-	}
-}
-
-static void irlan_client_start_kick_timer(struct irlan_cb *self, int timeout)
-{
-	irda_start_timer(&self->client.kick_timer, timeout, (void *) self,
-			 irlan_client_kick_timer_expired);
-}
-
-/*
- * Function irlan_client_wakeup (self, saddr, daddr)
- *
- *    Wake up client
- *
- */
-void irlan_client_wakeup(struct irlan_cb *self, __u32 saddr, __u32 daddr)
-{
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/*
-	 * Check if we are already awake, or if we are a provider in direct
-	 * mode (in that case we must leave the client idle
-	 */
-	if ((self->client.state != IRLAN_IDLE) ||
-	    (self->provider.access_type == ACCESS_DIRECT))
-	{
-		pr_debug("%s(), already awake!\n", __func__);
-			return;
-	}
-
-	/* Addresses may have changed! */
-	self->saddr = saddr;
-	self->daddr = daddr;
-
-	if (self->disconnect_reason == LM_USER_REQUEST) {
-		pr_debug("%s(), still stopped by user\n", __func__);
-			return;
-	}
-
-	/* Open TSAPs */
-	irlan_client_open_ctrl_tsap(self);
-	irlan_open_data_tsap(self);
-
-	irlan_do_client_event(self, IRLAN_DISCOVERY_INDICATION, NULL);
-
-	/* Start kick timer */
-	irlan_client_start_kick_timer(self, 2*HZ);
-}
-
-/*
- * Function irlan_discovery_indication (daddr)
- *
- *    Remote device with IrLAN server support discovered
- *
- */
-void irlan_client_discovery_indication(discinfo_t *discovery,
-				       DISCOVERY_MODE mode,
-				       void *priv)
-{
-	struct irlan_cb *self;
-	__u32 saddr, daddr;
-
-	IRDA_ASSERT(discovery != NULL, return;);
-
-	/*
-	 * I didn't check it, but I bet that IrLAN suffer from the same
-	 * deficiency as IrComm and doesn't handle two instances
-	 * simultaneously connecting to each other.
-	 * Same workaround, drop passive discoveries.
-	 * Jean II */
-	if(mode == DISCOVERY_PASSIVE)
-		return;
-
-	saddr = discovery->saddr;
-	daddr = discovery->daddr;
-
-	/* Find instance */
-	rcu_read_lock();
-	self = irlan_get_any();
-	if (self) {
-		IRDA_ASSERT(self->magic == IRLAN_MAGIC, goto out;);
-
-		pr_debug("%s(), Found instance (%08x)!\n", __func__ ,
-			 daddr);
-
-		irlan_client_wakeup(self, saddr, daddr);
-	}
-IRDA_ASSERT_LABEL(out:)
-	rcu_read_unlock();
-}
-
-/*
- * Function irlan_client_data_indication (handle, skb)
- *
- *    This function gets the data that is received on the control channel
- *
- */
-static int irlan_client_ctrl_data_indication(void *instance, void *sap,
-					     struct sk_buff *skb)
-{
-	struct irlan_cb *self;
-
-	self = instance;
-
-	IRDA_ASSERT(self != NULL, return -1;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
-	IRDA_ASSERT(skb != NULL, return -1;);
-
-	irlan_do_client_event(self, IRLAN_DATA_INDICATION, skb);
-
-	/* Ready for a new command */
-	pr_debug("%s(), clearing tx_busy\n", __func__);
-	self->client.tx_busy = FALSE;
-
-	/* Check if we have some queued commands waiting to be sent */
-	irlan_run_ctrl_tx_queue(self);
-
-	return 0;
-}
-
-static void irlan_client_ctrl_disconnect_indication(void *instance, void *sap,
-						    LM_REASON reason,
-						    struct sk_buff *userdata)
-{
-	struct irlan_cb *self;
-	struct tsap_cb *tsap;
-	struct sk_buff *skb;
-
-	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->client.tsap_ctrl, return;);
-
-	/* Remove frames queued on the control channel */
-	while ((skb = skb_dequeue(&self->client.txq)) != NULL) {
-		dev_kfree_skb(skb);
-	}
-	self->client.tx_busy = FALSE;
-
-	irlan_do_client_event(self, IRLAN_LMP_DISCONNECT, NULL);
-}
-
-/*
- * Function irlan_client_open_tsaps (self)
- *
- *    Initialize callbacks and open IrTTP TSAPs
- *
- */
-static void irlan_client_open_ctrl_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->client.tsap_ctrl)
-		return;
-
-	irda_notify_init(&notify);
-
-	/* Set up callbacks */
-	notify.data_indication       = irlan_client_ctrl_data_indication;
-	notify.connect_confirm       = irlan_client_ctrl_connect_confirm;
-	notify.disconnect_indication = irlan_client_ctrl_disconnect_indication;
-	notify.instance = self;
-	strlcpy(notify.name, "IrLAN ctrl (c)", 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->client.tsap_ctrl = tsap;
-}
-
-/*
- * Function irlan_client_connect_confirm (handle, skb)
- *
- *    Connection to peer IrLAN laye confirmed
- *
- */
-static void irlan_client_ctrl_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->client.max_sdu_size = max_sdu_size;
-	self->client.max_header_size = max_header_size;
-
-	/* TODO: we could set the MTU depending on the max_sdu_size */
-
-	irlan_do_client_event(self, IRLAN_CONNECT_COMPLETE, NULL);
-}
-
-/*
- * Function print_ret_code (code)
- *
- *    Print return code of request to peer IrLAN layer.
- *
- */
-static void print_ret_code(__u8 code)
-{
-	switch(code) {
-	case 0:
-		printk(KERN_INFO "Success\n");
-		break;
-	case 1:
-		net_warn_ratelimited("IrLAN: Insufficient resources\n");
-		break;
-	case 2:
-		net_warn_ratelimited("IrLAN: Invalid command format\n");
-		break;
-	case 3:
-		net_warn_ratelimited("IrLAN: Command not supported\n");
-		break;
-	case 4:
-		net_warn_ratelimited("IrLAN: Parameter not supported\n");
-		break;
-	case 5:
-		net_warn_ratelimited("IrLAN: Value not supported\n");
-		break;
-	case 6:
-		net_warn_ratelimited("IrLAN: Not open\n");
-		break;
-	case 7:
-		net_warn_ratelimited("IrLAN: Authentication required\n");
-		break;
-	case 8:
-		net_warn_ratelimited("IrLAN: Invalid password\n");
-		break;
-	case 9:
-		net_warn_ratelimited("IrLAN: Protocol error\n");
-		break;
-	case 255:
-		net_warn_ratelimited("IrLAN: Asynchronous status\n");
-		break;
-	}
-}
-
-/*
- * Function irlan_client_parse_response (self, skb)
- *
- *    Extract all parameters from received buffer, then feed them to
- *    check_params for parsing
- */
-void irlan_client_parse_response(struct irlan_cb *self, struct sk_buff *skb)
-{
-	__u8 *frame;
-	__u8 *ptr;
-	int count;
-	int ret;
-	__u16 val_len;
-	int i;
-	char *name;
-	char *value;
-
-	IRDA_ASSERT(skb != NULL, return;);
-
-	pr_debug("%s() skb->len=%d\n", __func__ , (int)skb->len);
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	if (!skb) {
-		net_err_ratelimited("%s(), Got NULL skb!\n", __func__);
-		return;
-	}
-	frame = skb->data;
-
-	/*
-	 *  Check return code and print it if not success
-	 */
-	if (frame[0]) {
-		print_ret_code(frame[0]);
-		return;
-	}
-
-	name = kmalloc(255, GFP_ATOMIC);
-	if (!name)
-		return;
-	value = kmalloc(1016, GFP_ATOMIC);
-	if (!value) {
-		kfree(name);
-		return;
-	}
-
-	/* How many parameters? */
-	count = frame[1];
-
-	pr_debug("%s(), got %d parameters\n", __func__ , count);
-
-	ptr = frame+2;
-
-	/* For all parameters */
-	for (i=0; i<count;i++) {
-		ret = irlan_extract_param(ptr, name, value, &val_len);
-		if (ret < 0) {
-			pr_debug("%s(), IrLAN, Error!\n", __func__);
-			break;
-		}
-		ptr += ret;
-		irlan_check_response_param(self, name, value, val_len);
-	}
-	/* Cleanup */
-	kfree(name);
-	kfree(value);
-}
-
-/*
- * Function irlan_check_response_param (self, param, value, val_len)
- *
- *     Check which parameter is received and update local variables
- *
- */
-static void irlan_check_response_param(struct irlan_cb *self, char *param,
-				       char *value, int val_len)
-{
-	__u16 tmp_cpu; /* Temporary value in host order */
-	__u8 *bytes;
-	int i;
-
-	pr_debug("%s(), parm=%s\n", __func__ , param);
-
-	IRDA_ASSERT(self != NULL, return;);
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/* Media type */
-	if (strcmp(param, "MEDIA") == 0) {
-		if (strcmp(value, "802.3") == 0)
-			self->media = MEDIA_802_3;
-		else
-			self->media = MEDIA_802_5;
-		return;
-	}
-	if (strcmp(param, "FILTER_TYPE") == 0) {
-		if (strcmp(value, "DIRECTED") == 0)
-			self->client.filter_type |= IRLAN_DIRECTED;
-		else if (strcmp(value, "FUNCTIONAL") == 0)
-			self->client.filter_type |= IRLAN_FUNCTIONAL;
-		else if (strcmp(value, "GROUP") == 0)
-			self->client.filter_type |= IRLAN_GROUP;
-		else if (strcmp(value, "MAC_FRAME") == 0)
-			self->client.filter_type |= IRLAN_MAC_FRAME;
-		else if (strcmp(value, "MULTICAST") == 0)
-			self->client.filter_type |= IRLAN_MULTICAST;
-		else if (strcmp(value, "BROADCAST") == 0)
-			self->client.filter_type |= IRLAN_BROADCAST;
-		else if (strcmp(value, "IPX_SOCKET") == 0)
-			self->client.filter_type |= IRLAN_IPX_SOCKET;
-
-	}
-	if (strcmp(param, "ACCESS_TYPE") == 0) {
-		if (strcmp(value, "DIRECT") == 0)
-			self->client.access_type = ACCESS_DIRECT;
-		else if (strcmp(value, "PEER") == 0)
-			self->client.access_type = ACCESS_PEER;
-		else if (strcmp(value, "HOSTED") == 0)
-			self->client.access_type = ACCESS_HOSTED;
-		else {
-			pr_debug("%s(), unknown access type!\n", __func__);
-		}
-	}
-	/* IRLAN version */
-	if (strcmp(param, "IRLAN_VER") == 0) {
-		pr_debug("IrLAN version %d.%d\n", (__u8)value[0],
-			 (__u8)value[1]);
-
-		self->version[0] = value[0];
-		self->version[1] = value[1];
-		return;
-	}
-	/* Which remote TSAP to use for data channel */
-	if (strcmp(param, "DATA_CHAN") == 0) {
-		self->dtsap_sel_data = value[0];
-		pr_debug("Data TSAP = %02x\n", self->dtsap_sel_data);
-		return;
-	}
-	if (strcmp(param, "CON_ARB") == 0) {
-		memcpy(&tmp_cpu, value, 2); /* Align value */
-		le16_to_cpus(&tmp_cpu);     /* Convert to host order */
-		self->client.recv_arb_val = tmp_cpu;
-		pr_debug("%s(), receive arb val=%d\n", __func__ ,
-			 self->client.recv_arb_val);
-	}
-	if (strcmp(param, "MAX_FRAME") == 0) {
-		memcpy(&tmp_cpu, value, 2); /* Align value */
-		le16_to_cpus(&tmp_cpu);     /* Convert to host order */
-		self->client.max_frame = tmp_cpu;
-		pr_debug("%s(), max frame=%d\n", __func__ ,
-			 self->client.max_frame);
-	}
-
-	/* RECONNECT_KEY, in case the link goes down! */
-	if (strcmp(param, "RECONNECT_KEY") == 0) {
-		pr_debug("Got reconnect key: ");
-		/* for (i = 0; i < val_len; i++) */
-/* 			printk("%02x", value[i]); */
-		memcpy(self->client.reconnect_key, value, val_len);
-		self->client.key_len = val_len;
-		pr_debug("\n");
-	}
-	/* FILTER_ENTRY, have we got an ethernet address? */
-	if (strcmp(param, "FILTER_ENTRY") == 0) {
-		bytes = value;
-		pr_debug("Ethernet address = %pM\n", bytes);
-		for (i = 0; i < 6; i++)
-			self->dev->dev_addr[i] = bytes[i];
-	}
-}
-
-/*
- * Function irlan_client_get_value_confirm (obj_id, value)
- *
- *    Got results from remote LM-IAS
- *
- */
-void irlan_client_get_value_confirm(int result, __u16 obj_id,
-				    struct ias_value *value, void *priv)
-{
-	struct irlan_cb *self;
-
-	IRDA_ASSERT(priv != NULL, return;);
-
-	self = priv;
-	IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
-	/* We probably don't need to make any more queries */
-	iriap_close(self->client.iriap);
-	self->client.iriap = NULL;
-
-	/* Check if request succeeded */
-	if (result != IAS_SUCCESS) {
-		pr_debug("%s(), got NULL value!\n", __func__);
-		irlan_do_client_event(self, IRLAN_IAS_PROVIDER_NOT_AVAIL,
-				      NULL);
-		return;
-	}
-
-	switch (value->type) {
-	case IAS_INTEGER:
-		self->dtsap_sel_ctrl = value->t.integer;
-
-		if (value->t.integer != -1) {
-			irlan_do_client_event(self, IRLAN_IAS_PROVIDER_AVAIL,
-					      NULL);
-			return;
-		}
-		irias_delete_value(value);
-		break;
-	default:
-		pr_debug("%s(), unknown type!\n", __func__);
-		break;
-	}
-	irlan_do_client_event(self, IRLAN_IAS_PROVIDER_NOT_AVAIL, NULL);
-}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-15 11:34:01 +0000