static void *
btsco_sco_newconn(void *arg, struct sockaddr_bt *laddr,
struct sockaddr_bt *raddr)
{
struct btsco_softc *sc = arg;
DPRINTF("%s\n", sc->sc_name);
if (bdaddr_same(&raddr->bt_bdaddr, &sc->sc_raddr) == 0
|| sc->sc_state != BTSCO_WAIT_CONNECT
|| sc->sc_sco != NULL)
return NULL;
sco_attach_pcb(&sc->sc_sco, &btsco_sco_proto, sc);
return sc->sc_sco;
}
static int
sco_attach(struct socket *so, int proto)
{
int error;
KASSERT(so->so_pcb == NULL);
if (so->so_lock == NULL) {
mutex_obj_hold(bt_lock);
so->so_lock = bt_lock;
solock(so);
}
KASSERT(solocked(so));
error = soreserve(so, sco_sendspace, sco_recvspace);
if (error) {
return error;
}
return sco_attach_pcb((struct sco_pcb **)&so->so_pcb, &sco_proto, so);
}
static int
btsco_open(void *hdl, int flags)
{
struct sockaddr_bt sa;
struct btsco_softc *sc = hdl;
struct sockopt sopt;
int err, timo;
DPRINTF("%s flags 0x%x\n", sc->sc_name, flags);
/* flags FREAD & FWRITE? */
if (sc->sc_sco != NULL || sc->sc_sco_l != NULL)
return EIO;
KASSERT(mutex_owned(bt_lock));
memset(&sa, 0, sizeof(sa));
sa.bt_len = sizeof(sa);
sa.bt_family = AF_BLUETOOTH;
bdaddr_copy(&sa.bt_bdaddr, &sc->sc_laddr);
if (sc->sc_flags & BTSCO_LISTEN) {
err = sco_attach_pcb(&sc->sc_sco_l, &btsco_sco_proto, sc);
if (err)
goto done;
err = sco_bind_pcb(sc->sc_sco_l, &sa);
if (err) {
sco_detach_pcb(&sc->sc_sco_l);
goto done;
}
err = sco_listen_pcb(sc->sc_sco_l);
if (err) {
sco_detach_pcb(&sc->sc_sco_l);
goto done;
}
timo = 0; /* no timeout */
} else {
err = sco_attach_pcb(&sc->sc_sco, &btsco_sco_proto, sc);
if (err)
goto done;
err = sco_bind_pcb(sc->sc_sco, &sa);
if (err) {
sco_detach_pcb(&sc->sc_sco);
goto done;
}
bdaddr_copy(&sa.bt_bdaddr, &sc->sc_raddr);
err = sco_connect_pcb(sc->sc_sco, &sa);
if (err) {
sco_detach_pcb(&sc->sc_sco);
goto done;
}
timo = BTSCO_TIMEOUT;
}
sc->sc_state = BTSCO_WAIT_CONNECT;
while (err == 0 && sc->sc_state == BTSCO_WAIT_CONNECT)
err = cv_timedwait_sig(&sc->sc_connect, bt_lock, timo);
switch (sc->sc_state) {
case BTSCO_CLOSED: /* disconnected */
err = sc->sc_err;
/* fall through to */
case BTSCO_WAIT_CONNECT: /* error */
if (sc->sc_sco != NULL)
sco_detach_pcb(&sc->sc_sco);
if (sc->sc_sco_l != NULL)
sco_detach_pcb(&sc->sc_sco_l);
break;
case BTSCO_OPEN: /* hurrah */
sockopt_init(&sopt, BTPROTO_SCO, SO_SCO_MTU, 0);
(void)sco_getopt(sc->sc_sco, &sopt);
(void)sockopt_get(&sopt, &sc->sc_mtu, sizeof(sc->sc_mtu));
sockopt_destroy(&sopt);
break;
default:
UNKNOWN(sc->sc_state);
break;
}
done:
DPRINTF("done err=%d, sc_state=%d, sc_mtu=%d\n",
err, sc->sc_state, sc->sc_mtu);
return err;
}
