static void
ngd_detach(struct socket *so)
{
struct ngpcb *const pcbp = sotongpcb(so);
KASSERT(pcbp != NULL, ("ngd_detach: pcbp == NULL"));
ng_detach_common(pcbp, NG_DATA);
}
static void
ngd_detach(netmsg_t msg)
{
struct socket *so = msg->detach.base.nm_so;
struct ngpcb *const pcbp = sotongpcb(so);
KASSERT(pcbp != NULL, ("ngd_detach: pcbp == NULL"));
ng_detach_common(pcbp, NG_DATA);
lwkt_replymsg(&msg->detach.base.lmsg, 0);
}
static int
ng_attach_cntl(struct socket *so)
{
struct ngsock *priv;
struct ngpcb *pcbp;
int error;
/* Allocate node private info */
priv = kmalloc(sizeof(*priv), M_NETGRAPH_SOCK, M_WAITOK | M_ZERO);
/* Setup protocol control block */
if ((error = ng_attach_common(so, NG_CONTROL)) != 0) {
kfree(priv, M_NETGRAPH_SOCK);
return (error);
}
pcbp = sotongpcb(so);
/* Link the pcb the private data. */
priv->ctlsock = pcbp;
pcbp->sockdata = priv;
priv->refs++;
/* Initialize mutex. */
mtx_init(&priv->mtx, "ng_socket");
/* Make the generic node components */
if ((error = ng_make_node_common(&typestruct, &priv->node)) != 0) {
kfree(priv, M_NETGRAPH_SOCK);
ng_detach_common(pcbp, NG_CONTROL);
return (error);
}
/* Link the node and the private data. */
NG_NODE_SET_PRIVATE(priv->node, priv);
NG_NODE_REF(priv->node);
priv->refs++;
return (0);
}
