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); }
/* * 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); }