コード例 #1
0
int
irda_irnet_connect(irnet_socket *	self)
{
  int		err;

  DENTER(IRDA_SOCK_TRACE, "(self=0x%p)\n", self);

  
  if(test_and_set_bit(0, &self->ttp_connect))
    DRETURN(-EBUSY, IRDA_SOCK_INFO, "Already connecting...\n");
  if((self->iriap != NULL) || (self->tsap != NULL))
    DERROR(IRDA_SOCK_ERROR, "Socket not cleaned up...\n");

  
  if((irnet_server.running) && (self->q.q_next == NULL))
    {
      spin_lock_bh(&irnet_server.spinlock);
      hashbin_insert(irnet_server.list, (irda_queue_t *) self, 0, self->rname);
      spin_unlock_bh(&irnet_server.spinlock);
      DEBUG(IRDA_SOCK_INFO, "Inserted ``%s'' in hashbin...\n", self->rname);
    }

  
  if((self->rdaddr == DEV_ADDR_ANY) && (self->rname[0] == '\0'))
    {
      
      if((err = irnet_discover_daddr_and_lsap_sel(self)) != 0)
	DRETURN(err, IRDA_SOCK_INFO, "auto-connect failed!\n");
      
    }
  else
    {
      
      if(self->rdaddr == DEV_ADDR_ANY)
	{
	  if((err = irnet_dname_to_daddr(self)) != 0)
	    DRETURN(err, IRDA_SOCK_INFO, "name connect failed!\n");
	}
      else
	
	self->daddr = self->rdaddr;

      
      irnet_find_lsap_sel(self);
      
    }

  
  DEXIT(IRDA_SOCK_TRACE, "\n");
  return(0);
}
コード例 #2
0
ファイル: iriap.c プロジェクト: AICP/kernel_moto_shamu
/*
 * Function iriap_open (void)
 *
 *    Opens an instance of the IrIAP layer, and registers with IrLMP
 */
struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv,
			    CONFIRM_CALLBACK callback)
{
	struct iriap_cb *self;

	IRDA_DEBUG(2, "%s()\n", __func__);

	self = kzalloc(sizeof(*self), GFP_ATOMIC);
	if (!self) {
		IRDA_WARNING("%s: Unable to kmalloc!\n", __func__);
		return NULL;
	}

	/*
	 *  Initialize instance
	 */

	self->magic = IAS_MAGIC;
	self->mode = mode;
	if (mode == IAS_CLIENT) {
		if (iriap_register_lsap(self, slsap_sel, mode)) {
			kfree(self);
			return NULL;
		}
	}

	self->confirm = callback;
	self->priv = priv;

	/* iriap_getvaluebyclass_request() will construct packets before
	 * we connect, so this must have a sane value... Jean II */
	self->max_header_size = LMP_MAX_HEADER;

	init_timer(&self->watchdog_timer);

	hashbin_insert(iriap, (irda_queue_t *) self, (long) self, NULL);

	/* Initialize state machines */
	iriap_next_client_state(self, S_DISCONNECT);
	iriap_next_call_state(self, S_MAKE_CALL);
	iriap_next_server_state(self, R_DISCONNECT);
	iriap_next_r_connect_state(self, R_WAITING);

	return self;
}
コード例 #3
0
ファイル: iriap.c プロジェクト: nhanh0/hah
/*
 * Function iriap_open (void)
 *
 *    Opens an instance of the IrIAP layer, and registers with IrLMP
 */
struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv, 
			    CONFIRM_CALLBACK callback)
{
	struct iriap_cb *self;

	IRDA_DEBUG(2, __FUNCTION__ "()\n");

	self = kmalloc(sizeof(struct iriap_cb), GFP_ATOMIC);
	if (!self) {
		WARNING(__FUNCTION__ "(), Unable to kmalloc!\n");
		return NULL;
	}

	/*
	 *  Initialize instance
	 */
	memset(self, 0, sizeof(struct iriap_cb));
	
	self->magic = IAS_MAGIC;
	self->mode = mode;
	if (mode == IAS_CLIENT)
		iriap_register_lsap(self, slsap_sel, mode);

	self->confirm = callback;
	self->priv = priv;

	init_timer(&self->watchdog_timer);

	hashbin_insert(iriap, (irda_queue_t *) self, (int) self, NULL);
	
	/* Initialize state machines */
	iriap_next_client_state(self, S_DISCONNECT);
	iriap_next_call_state(self, S_MAKE_CALL);
	iriap_next_server_state(self, R_DISCONNECT);
	iriap_next_r_connect_state(self, R_WAITING);
	
	return self;
}
コード例 #4
0
ファイル: irnet_irda.c プロジェクト: dmgerman/original
/*
 * Connect to the other side :
 *	o convert device name to an address
 *	o find the socket number (dlsap)
 *	o Establish the connection
 */
int
irda_irnet_connect(irnet_socket *	self)
{
  int		err;

  DENTER(IRDA_SOCK_TRACE, "(self=0x%X)\n", (unsigned int) self);

  /* Check if we have opened a local TSAP :
   * If we have already opened a TSAP, it means that either we are already
   * connected or in the process of doing so... */
  if(self->tsap != NULL)
    DRETURN(-EBUSY, IRDA_SOCK_INFO, "Already connecting...\n");

  /* Insert ourselves in the hashbin so that the IrNET server can find us.
   * Notes : 4th arg is string of 32 char max and must be null terminated
   *	     When 4th arg is used (string), 3rd arg isn't (int)
   *	     Can't re-insert (MUST remove first) so check for that... */
  if((irnet_server.running) && (self->q.q_next == NULL))
    {
      unsigned long		flags;
      spin_lock_irqsave(&irnet_server.spinlock, flags);
      hashbin_insert(irnet_server.list, (irda_queue_t *) self, 0, self->rname);
      spin_unlock_irqrestore(&irnet_server.spinlock, flags);
      DEBUG(IRDA_SOCK_INFO, "Inserted ``%s'' in hashbin...\n", self->rname);
    }

  /* If we don't have anything (no address, no name) */
  if((self->raddr == DEV_ADDR_ANY) && (self->rname[0] == '\0'))
    {
      /* Try to find a suitable address */
      if((err = irnet_discover_daddr_and_lsap_sel(self)) != 0) 
	DRETURN(err, IRDA_SOCK_INFO, "auto-connect failed!\n");
    }
  else
    {
      /* If we have only the name (no address), try to get an address */
      if(self->raddr == DEV_ADDR_ANY)
	{
	  if((err = irnet_dname_to_daddr(self)) != 0)
	    DRETURN(err, IRDA_SOCK_INFO, "name-connect failed!\n");
	}
      else
	/* Use the requested destination address */
	self->daddr = self->raddr;

      /* Query remote LM-IAS to find LSAP selector */
      if((err = irnet_find_lsap_sel(self)) != 0)
	DRETURN(err, IRDA_SOCK_INFO, "connect failed!\n");
    }
  DEBUG(IRDA_SOCK_INFO, "daddr = %08x, lsap = %d, starting IrTTP connection\n",
	self->daddr, self->dtsap_sel);

  /* Open a local TSAP (an IrTTP instance) */
  err = irnet_open_tsap(self);
  DABORT(err != 0, err, IRDA_SOCK_ERROR, "connect aborted!\n");

  /* Connect to remote device */
  err = irttp_connect_request(self->tsap, self->dtsap_sel, 
			      self->saddr, self->daddr, NULL, 
			      self->max_sdu_size_rx, NULL);
  DABORT(err != 0, err, IRDA_SOCK_ERROR, "connect aborted!\n");

  DEXIT(IRDA_SOCK_TRACE, "\n");
  return(0);
}