int
ng_l2cap_lp_con_cfm(ng_l2cap_p l2cap, struct ng_mesg *msg)
{
ng_hci_lp_con_cfm_ep *ep = NULL;
ng_l2cap_con_p con = NULL;
int error = 0;
/* Check message */
if (msg->header.arglen != sizeof(*ep)) {
NG_L2CAP_ALERT(
"%s: %s - invalid LP_ConnectCfm[Neg] message size\n",
__func__, NG_NODE_NAME(l2cap->node));
error = EMSGSIZE;
goto out;
}
ep = (ng_hci_lp_con_cfm_ep *) (msg->data);
/* Check if we have requested/accepted this connection */
con = ng_l2cap_con_by_addr(l2cap, &ep->bdaddr);
if (con == NULL) {
NG_L2CAP_ERR(
"%s: %s - unexpected LP_ConnectCfm event. Connection does not exist\n",
__func__, NG_NODE_NAME(l2cap->node));
error = ENOENT;
goto out;
}
/* Check connection state */
if (con->state != NG_L2CAP_W4_LP_CON_CFM) {
NG_L2CAP_ALERT(
"%s: %s - unexpected LP_ConnectCfm event. " \
"Invalid connection state, state=%d, con_handle=%d\n",
__func__, NG_NODE_NAME(l2cap->node), con->state,
con->con_handle);
error = EINVAL;
goto out;
}
/*
* Looks like it is our confirmation. It is safe now to cancel
* connection timer and notify upper layer. If timeout already
* happened then ignore connection confirmation and let timeout
* handle that.
*/
if ((error = ng_l2cap_lp_untimeout(con)) != 0)
goto out;
if (ep->status == 0) {
con->state = NG_L2CAP_CON_OPEN;
con->con_handle = ep->con_handle;
ng_l2cap_lp_deliver(con);
} else /* Negative confirmation - remove connection descriptor */
ng_l2cap_con_fail(con, ep->status);
out:
return (error);
} /* ng_l2cap_lp_con_cfm */
int
ng_l2cap_lp_discon_ind(ng_l2cap_p l2cap, struct ng_mesg *msg)
{
ng_hci_lp_discon_ind_ep *ep = NULL;
ng_l2cap_con_p con = NULL;
int error = 0;
/* Check message */
if (msg->header.arglen != sizeof(*ep)) {
NG_L2CAP_ALERT(
"%s: %s - invalid LP_DisconnectInd message size\n",
__func__, NG_NODE_NAME(l2cap->node));
error = EMSGSIZE;
goto out;
}
ep = (ng_hci_lp_discon_ind_ep *) (msg->data);
/* Check if we have this connection */
con = ng_l2cap_con_by_handle(l2cap, ep->con_handle);
if (con == NULL) {
NG_L2CAP_ERR(
"%s: %s - unexpected LP_DisconnectInd event. " \
"Connection does not exist, con_handle=%d\n",
__func__, NG_NODE_NAME(l2cap->node), ep->con_handle);
error = ENOENT;
goto out;
}
/* XXX Verify connection state -- do we need to check this? */
if (con->state != NG_L2CAP_CON_OPEN) {
NG_L2CAP_ERR(
"%s: %s - unexpected LP_DisconnectInd event. " \
"Invalid connection state, state=%d, con_handle=%d\n",
__func__, NG_NODE_NAME(l2cap->node), con->state,
con->con_handle);
error = EINVAL;
goto out;
}
/*
* Notify upper layer and remove connection
* Note: The connection could have auto disconnect timeout set. Try
* to remove it. If auto disconnect timeout happened then ignore
* disconnect indication and let timeout handle that.
*/
if (con->flags & NG_L2CAP_CON_AUTO_DISCON_TIMO)
if ((error = ng_l2cap_discon_untimeout(con)) != 0)
return (error);
ng_l2cap_con_fail(con, ep->reason);
out:
return (error);
} /* ng_l2cap_lp_discon_ind */
int
ng_l2cap_lp_discon_ind(ng_l2cap_p l2cap, struct ng_mesg *msg)
{
ng_hci_lp_discon_ind_ep *ep = NULL;
ng_l2cap_con_p con = NULL;
int error = 0;
/* Check message */
if (msg->header.arglen != sizeof(*ep)) {
NG_L2CAP_ALERT(
"%s: %s - invalid LP_DisconnectInd message size\n",
__func__, NG_NODE_NAME(l2cap->node));
error = EMSGSIZE;
goto out;
}
ep = (ng_hci_lp_discon_ind_ep *) (msg->data);
/* Check if we have this connection */
con = ng_l2cap_con_by_handle(l2cap, ep->con_handle);
if (con == NULL) {
NG_L2CAP_ERR(
"%s: %s - unexpected LP_DisconnectInd event. " \
"Connection does not exist, con_handle=%d\n",
__func__, NG_NODE_NAME(l2cap->node), ep->con_handle);
error = ENOENT;
goto out;
}
/* XXX Verify connection state -- do we need to check this? */
if (con->state != NG_L2CAP_CON_OPEN) {
NG_L2CAP_ERR(
"%s: %s - unexpected LP_DisconnectInd event. " \
"Invalid connection state, state=%d, con_handle=%d\n",
__func__, NG_NODE_NAME(l2cap->node), con->state,
con->con_handle);
error = EINVAL;
goto out;
}
/* Notify upper layer and remove connection */
con->state = NG_L2CAP_CON_CLOSED;
ng_l2cap_con_fail(con, ep->reason);
out:
return (error);
} /* ng_l2cap_lp_discon_ind */
