/*
* Node constructor
*/
static int
nglmi_constructor(node_p node)
{
sc_p sc;
sc = malloc(sizeof(*sc), M_NETGRAPH, M_WAITOK | M_ZERO);
NG_NODE_SET_PRIVATE(node, sc);
sc->node = node;
ng_callout_init(&sc->handle);
sc->protoname = NAME_NONE;
sc->liv_per_full = NG_LMI_SEQ_PER_FULL; /* make this dynamic */
sc->liv_rate = NG_LMI_KEEPALIVE_RATE;
return (0);
}
ng_hci_unit_con_p
ng_hci_new_con(ng_hci_unit_p unit, int link_type)
{
ng_hci_unit_con_p con = NULL;
int num_pkts;
static int fake_con_handle = 0x0f00;
con = malloc(sizeof(*con), M_NETGRAPH_HCI,
M_NOWAIT | M_ZERO);
if (con != NULL) {
con->unit = unit;
con->state = NG_HCI_CON_CLOSED;
/*
* XXX
*
* Assign fake connection handle to the connection descriptor.
* Bluetooth specification marks 0x0f00 - 0x0fff connection
* handles as reserved. We need this fake connection handles
* for timeouts. Connection handle will be passed as argument
* to timeout so when timeout happens we can find the right
* connection descriptor. We can not pass pointers, because
* timeouts are external (to Netgraph) events and there might
* be a race when node/hook goes down and timeout event already
* went into node's queue
*/
con->con_handle = fake_con_handle ++;
if (fake_con_handle > 0x0fff)
fake_con_handle = 0x0f00;
con->link_type = link_type;
if (con->link_type == NG_HCI_LINK_ACL)
NG_HCI_BUFF_ACL_TOTAL(unit->buffer, num_pkts);
else
NG_HCI_BUFF_SCO_TOTAL(unit->buffer, num_pkts);
NG_BT_ITEMQ_INIT(&con->conq, num_pkts);
ng_callout_init(&con->con_timo);
LIST_INSERT_HEAD(&unit->con_list, con, next);
}
return (con);
} /* ng_hci_new_con */
