/*******************************************************************************
**
** Function mca_dcb_close_by_mdl_id
**
** Description This function finds the DCB for a mdl_id and
** disconnect the mdl
**
** Returns void
**
*******************************************************************************/
void mca_dcb_close_by_mdl_id(tMCA_CCB*p_ccb, UINT16 mdl_id)
{
tMCA_DCB *p_dcb;
unsigned int i;
MCA_TRACE_DEBUG("mca_dcb_close_by_mdl_id mdl_id=%d", mdl_id);
i = mca_ccb_to_hdl(p_ccb)-1;
if( i*MCA_NUM_MDLS < MCA_NUM_DCBS)
p_dcb = &mca_cb.dcb[i*MCA_NUM_MDLS];
else
{
MCA_TRACE_WARNING("dcb index out of range");
return;
}
for (i=0; i<MCA_NUM_MDLS; i++, p_dcb++)
{
if (p_dcb->state)
{
if (p_dcb->mdl_id == mdl_id)
{
mca_dcb_event(p_dcb, MCA_DCB_API_CLOSE_EVT, NULL);
break;
}
else if (mdl_id == MCA_ALL_MDL_ID)
{
mca_dcb_event(p_dcb, MCA_DCB_API_CLOSE_EVT, NULL);
}
}
}
}
/*******************************************************************************
**
** Function mca_ccb_snd_req
**
** Description This function builds a request and sends it to the peer.
**
** Returns void.
**
*******************************************************************************/
void mca_ccb_snd_req(tMCA_CCB *p_ccb, tMCA_CCB_EVT *p_data)
{
tMCA_CCB_MSG *p_msg = (tMCA_CCB_MSG *)p_data;
BT_HDR *p_pkt;
UINT8 *p, *p_start;
BOOLEAN is_abort = FALSE;
tMCA_DCB *p_dcb;
MCA_TRACE_DEBUG ("mca_ccb_snd_req cong=%d req=%d", p_ccb->cong, p_msg->op_code);
/* check for abort request */
if ((p_ccb->status == MCA_CCB_STAT_PENDING) && (p_msg->op_code == MCA_OP_MDL_ABORT_REQ))
{
p_dcb = mca_dcb_by_hdl(p_ccb->p_tx_req->dcb_idx);
/* the Abort API does not have the associated mdl_id.
* Get the mdl_id in dcb to compose the request */
if (p_dcb)
{
p_msg->mdl_id = p_dcb->mdl_id;
mca_dcb_event(p_dcb, MCA_DCB_API_CLOSE_EVT, NULL);
}
mca_free_buf ((void **)&p_ccb->p_tx_req);
p_ccb->status = MCA_CCB_STAT_NORM;
is_abort = TRUE;
}
/* no pending outgoing messages or it's an abort request for a pending data channel */
if ((!p_ccb->p_tx_req) || is_abort)
{
p_ccb->p_tx_req = p_msg;
if (!p_ccb->cong)
{
p_pkt = (BT_HDR *)GKI_getbuf (MCA_CTRL_MTU);
if (p_pkt)
{
p_pkt->offset = L2CAP_MIN_OFFSET;
p = p_start = (UINT8*)(p_pkt + 1) + L2CAP_MIN_OFFSET;
*p++ = p_msg->op_code;
UINT16_TO_BE_STREAM (p, p_msg->mdl_id);
if (p_msg->op_code == MCA_OP_MDL_CREATE_REQ)
{
*p++ = p_msg->mdep_id;
*p++ = p_msg->param;
}
p_msg->hdr.layer_specific = TRUE; /* mark this message as sent */
p_pkt->len = p - p_start;
L2CA_DataWrite (p_ccb->lcid, p_pkt);
p_ccb->timer_entry.param = (TIMER_PARAM_TYPE) p_ccb;
btu_start_timer(&p_ccb->timer_entry, BTU_TTYPE_MCA_CCB_RSP, p_ccb->p_rcb->reg.rsp_tout);
}
}
/* else the L2CAP channel is congested. keep the message to be sent later */
}
else
{
MCA_TRACE_WARNING ("dropping api req");
GKI_freebuf (p_data);
}
}
/*******************************************************************************
**
** Function mca_dcb_do_disconn
**
** Description This function closes a data channel.
**
** Returns void.
**
*******************************************************************************/
void mca_dcb_do_disconn (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data)
{
tMCA_CLOSE close;
UNUSED(p_data);
if ((p_dcb->lcid == 0) || (L2CA_DisconnectReq(p_dcb->lcid) == FALSE))
{
close.param = MCA_INT;
close.reason = L2CAP_DISC_OK;
close.lcid = 0;
mca_dcb_event(p_dcb, MCA_DCB_TC_CLOSE_EVT, (tMCA_DCB_EVT *) &close);
}
}
