15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 2009-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * This is the implementation file for the MCAP Data Channel Action 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Functions. 235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 25468e4b983dd59ea58a7518032fa6029b00c56dc4Ian Coolidge 26468e4b983dd59ea58a7518032fa6029b00c56dc4Ian Coolidge#include <stddef.h> 275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bt_target.h" 285cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen#include "bt_utils.h" 29258c2538e3b62a8cdb403f2730c45d721e5292b4Pavlin Radoslavov#include "bt_common.h" 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "mca_api.h" 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "mca_int.h" 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_report_cong 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called to report the congestion flag. 385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid mca_dcb_report_cong (tMCA_DCB *p_dcb) 435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tMCA_CTRL evt_data; 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project evt_data.cong_chg.cong = p_dcb->cong; 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project evt_data.cong_chg.mdl = mca_dcb_to_hdl(p_dcb); 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project evt_data.cong_chg.mdl_id = p_dcb->mdl_id; 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project mca_ccb_report_event (p_dcb->p_ccb, MCA_CONG_CHG_EVT, &evt_data); 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_tc_open 555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called to report MCA_OPEN_IND_EVT or 575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** MCA_OPEN_CFM_EVT event. 585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** It also clears the congestion flag (dcb.cong). 595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid mca_dcb_tc_open (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) 645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tMCA_CTRL evt_data; 665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tMCA_CCB *p_ccb = p_dcb->p_ccb; 675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 event = MCA_OPEN_IND_EVT; 685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_data->open.param == MCA_INT) 705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project event = MCA_OPEN_CFM_EVT; 715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dcb->cong = FALSE; 725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project evt_data.open_cfm.mtu = p_data->open.peer_mtu; 735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project evt_data.open_cfm.mdl_id = p_dcb->mdl_id; 745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project evt_data.open_cfm.mdl = mca_dcb_to_hdl(p_dcb); 755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project mca_ccb_event (p_ccb, MCA_CCB_DL_OPEN_EVT, NULL); 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project mca_ccb_report_event (p_ccb, event, &evt_data); 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_cong 825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function sets the congestion state for the DCB. 845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid mca_dcb_cong (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dcb->cong = p_data->llcong; 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project mca_dcb_report_cong(p_dcb); 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_free_data 975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function frees the received message. 995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 1015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 10320524d393e8b3bea4c573f7980cd843500b0e6a4Pavlin Radoslavovvoid mca_dcb_free_data(tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) 1045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1055cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen UNUSED(p_dcb); 106abd70abb5e42c9431df94fe9d2c4a78a0d8d9af9Pavlin Radoslavov osi_free(p_data); 1075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_do_disconn 1125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function closes a data channel. 1145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 1165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 1185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid mca_dcb_do_disconn (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) 1195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tMCA_CLOSE close; 1215cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen UNUSED(p_data); 1225cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen 1235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_dcb->lcid == 0) || (L2CA_DisconnectReq(p_dcb->lcid) == FALSE)) 1245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project close.param = MCA_INT; 1265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project close.reason = L2CAP_DISC_OK; 1275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project close.lcid = 0; 1285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project mca_dcb_event(p_dcb, MCA_DCB_TC_CLOSE_EVT, (tMCA_DCB_EVT *) &close); 1295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_snd_data 1355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function sends the data from application to the peer device. 1375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 1395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 1415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid mca_dcb_snd_data (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) 1425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 status; 1445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* do not need to check cong, because API already checked the status */ 1465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project status = L2CA_DataWrite (p_dcb->lcid, p_data->p_pkt); 1475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (status == L2CAP_DW_CONGESTED) 1485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dcb->cong = TRUE; 1505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project mca_dcb_report_cong(p_dcb); 1515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function mca_dcb_hdl_data 1575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function reports the received data through the data 1595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** callback function. 1605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 1625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 1645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid mca_dcb_hdl_data (tMCA_DCB *p_dcb, tMCA_DCB_EVT *p_data) 1655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*p_dcb->p_cs->p_data_cback) (mca_dcb_to_hdl(p_dcb), (BT_HDR *)p_data); 1675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 169