diff options
Diffstat (limited to 'stack/mcap/mca_dact.c')
| -rw-r--r-- | stack/mcap/mca_dact.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/stack/mcap/mca_dact.c b/stack/mcap/mca_dact.c new file mode 100644 index 0000000..353153e --- /dev/null +++ b/stack/mcap/mca_dact.c @@ -0,0 +1,162 @@ +/****************************************************************************** + * + * Copyright (C) 2009-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the implementation file for the MCAP Data Channel Action + * Functions. + * + ******************************************************************************/ +#include "bt_target.h" +#include "gki.h" +#include "mca_api.h" +#include "mca_int.h" + +/******************************************************************************* +** +** Function mca_dcb_report_cong +** +** Description This function is called to report the congestion flag. +** +** Returns void. +** +*******************************************************************************/ +void mca_dcb_report_cong (tMCA_DCB *p_dcb) +{ + tMCA_CTRL evt_data; + + evt_data.cong_chg.cong = p_dcb->cong; + evt_data.cong_chg.mdl = mca_dcb_to_hdl(p_dcb); + evt_data.cong_chg.mdl_id = p_dcb->mdl_id; + mca_ccb_report_event (p_dcb->p_ccb, MCA_CONG_CHG_EVT, &evt_data); +} + +/******************************************************************************* +** +** Function mca_dcb_tc_open +** +** Description This function is called to report MCA_OPEN_IND_EVT or +** MCA_OPEN_CFM_EVT event. +** It also clears the congestion flag (dcb.cong). +** +** Returns void. +** +*******************************************************************************/ +void mca_dcb_tc_open (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) +{ + tMCA_CTRL evt_data; + tMCA_CCB *p_ccb = p_dcb->p_ccb; + UINT8 event = MCA_OPEN_IND_EVT; + + if (p_data->open.param == MCA_INT) + event = MCA_OPEN_CFM_EVT; + p_dcb->cong = FALSE; + evt_data.open_cfm.mtu = p_data->open.peer_mtu; + evt_data.open_cfm.mdl_id = p_dcb->mdl_id; + evt_data.open_cfm.mdl = mca_dcb_to_hdl(p_dcb); + mca_ccb_event (p_ccb, MCA_CCB_DL_OPEN_EVT, NULL); + mca_ccb_report_event (p_ccb, event, &evt_data); +} + +/******************************************************************************* +** +** Function mca_dcb_cong +** +** Description This function sets the congestion state for the DCB. +** +** Returns void. +** +*******************************************************************************/ +void mca_dcb_cong (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) +{ + p_dcb->cong = p_data->llcong; + mca_dcb_report_cong(p_dcb); +} + +/******************************************************************************* +** +** Function mca_dcb_free_data +** +** Description This function frees the received message. +** +** Returns void. +** +*******************************************************************************/ +void mca_dcb_free_data (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) +{ + 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; + 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); + } +} + +/******************************************************************************* +** +** Function mca_dcb_snd_data +** +** Description This function sends the data from application to the peer device. +** +** Returns void. +** +*******************************************************************************/ +void mca_dcb_snd_data (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) +{ + UINT8 status; + + /* do not need to check cong, because API already checked the status */ + status = L2CA_DataWrite (p_dcb->lcid, p_data->p_pkt); + if (status == L2CAP_DW_CONGESTED) + { + p_dcb->cong = TRUE; + mca_dcb_report_cong(p_dcb); + } +} + +/******************************************************************************* +** +** Function mca_dcb_hdl_data +** +** Description This function reports the received data through the data +** callback function. +** +** Returns void. +** +*******************************************************************************/ +void mca_dcb_hdl_data (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) +{ + (*p_dcb->p_cs->p_data_cback) (mca_dcb_to_hdl(p_dcb), (BT_HDR *)p_data); +} + |