/*
* sco_detach(handle)
*
* Detach SCO pcb from handle and clear up
*/
int
sco_detach(struct sco_pcb **handle)
{
struct sco_pcb *pcb;
KASSERT(handle != NULL);
pcb = *handle;
*handle = NULL;
if (pcb == NULL)
return EINVAL;
if (pcb->sp_link != NULL) {
sco_disconnect(pcb, 0);
pcb->sp_link = NULL;
}
LIST_REMOVE(pcb, sp_next);
free(pcb, M_BLUETOOTH);
return 0;
}
/*
* User Request.
* up is socket
* m is either
* optional mbuf chain containing message
* ioctl command (PRU_CONTROL)
* nam is either
* optional mbuf chain containing an address
* ioctl data (PRU_CONTROL)
* ctl is optional mbuf chain containing socket options
* l is pointer to process requesting action (if any)
*
* we are responsible for disposing of m and ctl if
* they are mbuf chains
*/
static int
sco_usrreq(struct socket *up, int req, struct mbuf *m,
struct mbuf *nam, struct mbuf *ctl, struct lwp *l)
{
struct sco_pcb *pcb = (struct sco_pcb *)up->so_pcb;
struct sockaddr_bt *sa;
struct mbuf *m0;
int err = 0;
DPRINTFN(2, "%s\n", prurequests[req]);
KASSERT(req != PRU_ATTACH);
KASSERT(req != PRU_DETACH);
switch(req) {
case PRU_CONTROL:
return EOPNOTSUPP;
case PRU_PURGEIF:
return EOPNOTSUPP;
}
/* anything after here *requires* a pcb */
if (pcb == NULL) {
err = EINVAL;
goto release;
}
switch(req) {
case PRU_DISCONNECT:
soisdisconnecting(up);
return sco_disconnect(pcb, up->so_linger);
case PRU_ABORT:
sco_disconnect(pcb, 0);
soisdisconnected(up);
sco_detach(up);
return 0;
case PRU_BIND:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
return sco_bind(pcb, sa);
case PRU_CONNECT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
if (sa->bt_len != sizeof(struct sockaddr_bt))
return EINVAL;
if (sa->bt_family != AF_BLUETOOTH)
return EAFNOSUPPORT;
soisconnecting(up);
return sco_connect(pcb, sa);
case PRU_PEERADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return sco_peeraddr(pcb, sa);
case PRU_SOCKADDR:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return sco_sockaddr(pcb, sa);
case PRU_SHUTDOWN:
socantsendmore(up);
break;
case PRU_SEND:
KASSERT(m != NULL);
if (m->m_pkthdr.len == 0)
break;
if (m->m_pkthdr.len > pcb->sp_mtu) {
err = EMSGSIZE;
break;
}
m0 = m_copypacket(m, M_DONTWAIT);
if (m0 == NULL) {
err = ENOMEM;
break;
}
if (ctl) /* no use for that */
m_freem(ctl);
sbappendrecord(&up->so_snd, m);
return sco_send(pcb, m0);
case PRU_SENSE:
return 0; /* (no sense - Doh!) */
case PRU_RCVD:
case PRU_RCVOOB:
return EOPNOTSUPP; /* (no release) */
case PRU_LISTEN:
return sco_listen(pcb);
case PRU_ACCEPT:
KASSERT(nam != NULL);
sa = mtod(nam, struct sockaddr_bt *);
nam->m_len = sizeof(struct sockaddr_bt);
return sco_peeraddr(pcb, sa);
case PRU_CONNECT2:
case PRU_SENDOOB:
case PRU_FASTTIMO:
case PRU_SLOWTIMO:
case PRU_PROTORCV:
case PRU_PROTOSEND:
err = EOPNOTSUPP;
break;
default:
UNKNOWN(req);
err = EOPNOTSUPP;
break;
}
release:
if (m) m_freem(m);
if (ctl) m_freem(ctl);
return err;
}
