static void
ddp_close(struct socket *so)
{
struct ddpcb *ddp;
ddp = sotoddpcb(so);
KASSERT(ddp != NULL, ("ddp_close: ddp == NULL"));
DDP_LOCK(ddp);
at_pcbdisconnect(ddp);
DDP_UNLOCK(ddp);
soisdisconnected(so);
}
static int
ddp_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
struct mbuf *control, struct proc *p)
{
struct ddpcb *ddp;
int error = 0;
int s;
ddp = sotoddpcb( so );
if ( ddp == NULL ) {
return(EINVAL);
}
if ( control && control->m_len ) {
return(EINVAL);
}
if ( addr ) {
if ( ddp->ddp_fsat.sat_port != ATADDR_ANYPORT ) {
return(EISCONN);
}
s = splnet();
error = at_pcbconnect(ddp, addr, p);
splx( s );
if ( error ) {
return(error);
}
} else {
if ( ddp->ddp_fsat.sat_port == ATADDR_ANYPORT ) {
return(ENOTCONN);
}
}
s = splnet();
error = ddp_output( m, so );
if ( addr ) {
at_pcbdisconnect( ddp );
}
splx(s);
return(error);
}
static int
ddp_disconnect(struct socket *so)
{
struct ddpcb *ddp;
ddp = sotoddpcb(so);
KASSERT(ddp != NULL, ("ddp_disconnect: ddp == NULL"));
DDP_LOCK(ddp);
if (ddp->ddp_fsat.sat_addr.s_node == ATADDR_ANYNODE) {
DDP_UNLOCK(ddp);
return (ENOTCONN);
}
at_pcbdisconnect(ddp);
ddp->ddp_fsat.sat_addr.s_node = ATADDR_ANYNODE;
DDP_UNLOCK(ddp);
soisdisconnected(so);
return (0);
}
static int
ddp_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
struct mbuf *control, struct thread *td)
{
struct ddpcb *ddp;
int error = 0;
ddp = sotoddpcb(so);
KASSERT(ddp != NULL, ("ddp_send: ddp == NULL"));
if (control && control->m_len)
return (EINVAL);
if (addr != NULL) {
DDP_LIST_XLOCK();
DDP_LOCK(ddp);
if (ddp->ddp_fsat.sat_port != ATADDR_ANYPORT) {
error = EISCONN;
goto out;
}
error = at_pcbconnect(ddp, addr, td);
if (error == 0) {
error = ddp_output(m, so);
at_pcbdisconnect(ddp);
}
out:
DDP_UNLOCK(ddp);
DDP_LIST_XUNLOCK();
} else {
DDP_LOCK(ddp);
if (ddp->ddp_fsat.sat_port == ATADDR_ANYPORT)
error = ENOTCONN;
else
error = ddp_output(m, so);
DDP_UNLOCK(ddp);
}
return (error);
}
static int
ddp_disconnect(struct socket *so)
{
struct ddpcb *ddp;
int s;
ddp = sotoddpcb( so );
if ( ddp == NULL ) {
return( EINVAL);
}
if ( ddp->ddp_fsat.sat_addr.s_node == ATADDR_ANYNODE ) {
return(ENOTCONN);
}
s = splnet();
at_pcbdisconnect( ddp );
ddp->ddp_fsat.sat_addr.s_node = ATADDR_ANYNODE;
splx(s);
soisdisconnected( so );
return(0);
}
