static inline int
irnet_connect_tsap(irnet_socket * self)
{
int err;
DENTER(IRDA_SR_TRACE, "(self=0x%p)\n", self);
err = irnet_open_tsap(self);
if(err != 0)
{
clear_bit(0, &self->ttp_connect);
DERROR(IRDA_SR_ERROR, "connect aborted!\n");
return(err);
}
err = irttp_connect_request(self->tsap, self->dtsap_sel,
self->rsaddr, self->daddr, NULL,
self->max_sdu_size_rx, NULL);
if(err != 0)
{
clear_bit(0, &self->ttp_connect);
DERROR(IRDA_SR_ERROR, "connect aborted!\n");
return(err);
}
DEXIT(IRDA_SR_TRACE, "\n");
return(err);
}
/*
* Function ircomm_ttp_connect_request (self, userdata)
*
*
*
*/
int ircomm_ttp_connect_request(struct ircomm_cb *self,
struct sk_buff *userdata,
struct ircomm_info *info)
{
int ret = 0;
IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
ret = irttp_connect_request(self->tsap, info->dlsap_sel,
info->saddr, info->daddr, NULL,
TTP_SAR_DISABLE, userdata);
return ret;
}
/*
* Function ircomm_ttp_connect_request (self, userdata)
*
*
*
*/
int ircomm_ttp_connect_request(struct ircomm_cb *self,
struct sk_buff *userdata,
struct ircomm_info *info)
{
int ret = 0;
IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
/* Don't forget to refcount it - should be NULL anyway */
if(userdata)
skb_get(userdata);
ret = irttp_connect_request(self->tsap, info->dlsap_sel,
info->saddr, info->daddr, NULL,
TTP_SAR_DISABLE, userdata);
return ret;
}
/*
* 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);
}