| /****************************************************************************** |
| * |
| * Copyright (C) 2002-2012 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 file contains interfaces which are internal to AVDTP. |
| * |
| ******************************************************************************/ |
| #ifndef AVDT_INT_H |
| #define AVDT_INT_H |
| |
| #include "gki.h" |
| #include "avdt_api.h" |
| #include "avdtc_api.h" |
| #include "avdt_defs.h" |
| #include "l2c_api.h" |
| #include "btm_api.h" |
| |
| #ifndef AVDT_DEBUG |
| #define AVDT_DEBUG FALSE |
| #endif |
| |
| /***************************************************************************** |
| ** constants |
| *****************************************************************************/ |
| |
| /* channel types */ |
| enum { |
| AVDT_CHAN_SIG, /* signaling channel */ |
| AVDT_CHAN_MEDIA, /* media channel */ |
| #if AVDT_REPORTING == TRUE |
| AVDT_CHAN_REPORT, /* reporting channel */ |
| #endif |
| AVDT_CHAN_NUM_TYPES |
| }; |
| |
| /* protocol service capabilities of this AVDTP implementation */ |
| /* for now multiplexing will be used only for fragmentation */ |
| #if ((AVDT_MULTIPLEXING == TRUE) && (AVDT_REPORTING == TRUE)) |
| #define AVDT_PSC (AVDT_PSC_TRANS | AVDT_PSC_MUX | AVDT_PSC_REPORT | AVDT_PSC_DELAY_RPT) |
| #define AVDT_LEG_PSC (AVDT_PSC_TRANS | AVDT_PSC_MUX | AVDT_PSC_REPORT) |
| #else /* AVDT_MULTIPLEXING && AVDT_REPORTING */ |
| |
| #if (AVDT_MULTIPLEXING == TRUE) |
| #define AVDT_PSC (AVDT_PSC_TRANS | AVDT_PSC_MUX | AVDT_PSC_DELAY_RPT) |
| #define AVDT_LEG_PSC (AVDT_PSC_TRANS | AVDT_PSC_MUX) |
| #else /* AVDT_MULTIPLEXING */ |
| |
| #if (AVDT_REPORTING == TRUE) |
| #define AVDT_PSC (AVDT_PSC_TRANS | AVDT_PSC_REPORT | AVDT_PSC_DELAY_RPT) |
| #define AVDT_LEG_PSC (AVDT_PSC_TRANS | AVDT_PSC_REPORT) |
| #else /* AVDT_REPORTING */ |
| #define AVDT_PSC (AVDT_PSC_TRANS | AVDT_PSC_DELAY_RPT) |
| #define AVDT_LEG_PSC (AVDT_PSC_TRANS) |
| #endif /* AVDT_REPORTING */ |
| |
| #endif /* AVDT_MULTIPLEXING */ |
| |
| #endif /* AVDT_MULTIPLEXING && AVDT_REPORTING */ |
| |
| /* initiator/acceptor signaling roles */ |
| #define AVDT_CLOSE_ACP 0 |
| #define AVDT_CLOSE_INT 1 |
| #define AVDT_OPEN_ACP 2 |
| #define AVDT_OPEN_INT 3 |
| |
| /* states for avdt_scb_verify */ |
| #define AVDT_VERIFY_OPEN 0 |
| #define AVDT_VERIFY_STREAMING 1 |
| #define AVDT_VERIFY_SUSPEND 2 |
| #define AVDT_VERIFY_START 3 |
| |
| /* to distinguish CCB events from SCB events */ |
| #define AVDT_CCB_MKR 0x80 |
| |
| /* offset where AVDTP signaling message header starts in message */ |
| #define AVDT_HDR_OFFSET (L2CAP_MIN_OFFSET + AVDT_NUM_SEPS) |
| |
| /* offset where AVDTP signaling message content starts; |
| ** use the size of a start header since it's the largest possible |
| ** layout of signaling message in a buffer is: |
| ** |
| ** | BT_HDR | SCB handles | L2CAP + HCI header | AVDTP header | data ... | |
| ** |
| ** Note that we "hide" the scb handles at the top of the message buffer. |
| */ |
| #define AVDT_MSG_OFFSET (L2CAP_MIN_OFFSET + AVDT_NUM_SEPS + AVDT_LEN_TYPE_START) |
| |
| /* scb transport channel connect timeout value */ |
| #define AVDT_SCB_TC_CONN_TOUT 10 |
| |
| /* scb transport channel disconnect timeout value */ |
| #define AVDT_SCB_TC_DISC_TOUT 10 |
| |
| /* maximum number of command retransmissions */ |
| #ifndef AVDT_RET_MAX |
| #define AVDT_RET_MAX 1 |
| #endif |
| |
| |
| /* ccb state machine states */ |
| enum { |
| AVDT_CCB_IDLE_ST, |
| AVDT_CCB_OPENING_ST, |
| AVDT_CCB_OPEN_ST, |
| AVDT_CCB_CLOSING_ST |
| }; |
| |
| /* state machine action enumeration list */ |
| enum { |
| AVDT_CCB_CHAN_OPEN, |
| AVDT_CCB_CHAN_CLOSE, |
| AVDT_CCB_CHK_CLOSE, |
| AVDT_CCB_HDL_DISCOVER_CMD, |
| AVDT_CCB_HDL_DISCOVER_RSP, |
| AVDT_CCB_HDL_GETCAP_CMD, |
| AVDT_CCB_HDL_GETCAP_RSP, |
| AVDT_CCB_HDL_START_CMD, |
| AVDT_CCB_HDL_START_RSP, |
| AVDT_CCB_HDL_SUSPEND_CMD, |
| AVDT_CCB_HDL_SUSPEND_RSP, |
| AVDT_CCB_SND_DISCOVER_CMD, |
| AVDT_CCB_SND_DISCOVER_RSP, |
| AVDT_CCB_SND_GETCAP_CMD, |
| AVDT_CCB_SND_GETCAP_RSP, |
| AVDT_CCB_SND_START_CMD, |
| AVDT_CCB_SND_START_RSP, |
| AVDT_CCB_SND_SUSPEND_CMD, |
| AVDT_CCB_SND_SUSPEND_RSP, |
| AVDT_CCB_CLEAR_CMDS, |
| AVDT_CCB_CMD_FAIL, |
| AVDT_CCB_FREE_CMD, |
| AVDT_CCB_CONG_STATE, |
| AVDT_CCB_RET_CMD, |
| AVDT_CCB_SND_CMD, |
| AVDT_CCB_SND_MSG, |
| AVDT_CCB_SET_RECONN, |
| AVDT_CCB_CLR_RECONN, |
| AVDT_CCB_CHK_RECONN, |
| AVDT_CCB_CHK_TIMER, |
| AVDT_CCB_SET_CONN, |
| AVDT_CCB_SET_DISCONN, |
| AVDT_CCB_DO_DISCONN, |
| AVDT_CCB_LL_CLOSED, |
| AVDT_CCB_LL_OPENED, |
| AVDT_CCB_DEALLOC, |
| AVDT_CCB_NUM_ACTIONS |
| }; |
| |
| #define AVDT_CCB_IGNORE AVDT_CCB_NUM_ACTIONS |
| |
| /* ccb state machine events */ |
| enum { |
| AVDT_CCB_API_DISCOVER_REQ_EVT, |
| AVDT_CCB_API_GETCAP_REQ_EVT, |
| AVDT_CCB_API_START_REQ_EVT, |
| AVDT_CCB_API_SUSPEND_REQ_EVT, |
| AVDT_CCB_API_DISCOVER_RSP_EVT, |
| AVDT_CCB_API_GETCAP_RSP_EVT, |
| AVDT_CCB_API_START_RSP_EVT, |
| AVDT_CCB_API_SUSPEND_RSP_EVT, |
| AVDT_CCB_API_CONNECT_REQ_EVT, |
| AVDT_CCB_API_DISCONNECT_REQ_EVT, |
| AVDT_CCB_MSG_DISCOVER_CMD_EVT, |
| AVDT_CCB_MSG_GETCAP_CMD_EVT, |
| AVDT_CCB_MSG_START_CMD_EVT, |
| AVDT_CCB_MSG_SUSPEND_CMD_EVT, |
| AVDT_CCB_MSG_DISCOVER_RSP_EVT, |
| AVDT_CCB_MSG_GETCAP_RSP_EVT, |
| AVDT_CCB_MSG_START_RSP_EVT, |
| AVDT_CCB_MSG_SUSPEND_RSP_EVT, |
| AVDT_CCB_RCVRSP_EVT, |
| AVDT_CCB_SENDMSG_EVT, |
| AVDT_CCB_RET_TOUT_EVT, |
| AVDT_CCB_RSP_TOUT_EVT, |
| AVDT_CCB_IDLE_TOUT_EVT, |
| AVDT_CCB_UL_OPEN_EVT, |
| AVDT_CCB_UL_CLOSE_EVT, |
| AVDT_CCB_LL_OPEN_EVT, |
| AVDT_CCB_LL_CLOSE_EVT, |
| AVDT_CCB_LL_CONG_EVT |
| }; |
| |
| |
| /* scb state machine states; these state values are private to this module so |
| ** the scb state cannot be read or set by actions functions |
| */ |
| enum { |
| AVDT_SCB_IDLE_ST, |
| AVDT_SCB_CONF_ST, |
| AVDT_SCB_OPENING_ST, |
| AVDT_SCB_OPEN_ST, |
| AVDT_SCB_STREAM_ST, |
| AVDT_SCB_CLOSING_ST |
| }; |
| |
| /* state machine action enumeration list */ |
| enum { |
| AVDT_SCB_HDL_ABORT_CMD, |
| AVDT_SCB_HDL_ABORT_RSP, |
| AVDT_SCB_HDL_CLOSE_CMD, |
| AVDT_SCB_HDL_CLOSE_RSP, |
| AVDT_SCB_HDL_GETCONFIG_CMD, |
| AVDT_SCB_HDL_GETCONFIG_RSP, |
| AVDT_SCB_HDL_OPEN_CMD, |
| AVDT_SCB_HDL_OPEN_REJ, |
| AVDT_SCB_HDL_OPEN_RSP, |
| AVDT_SCB_HDL_PKT, |
| AVDT_SCB_DROP_PKT, |
| AVDT_SCB_HDL_RECONFIG_CMD, |
| AVDT_SCB_HDL_RECONFIG_RSP, |
| AVDT_SCB_HDL_SECURITY_CMD, |
| AVDT_SCB_HDL_SECURITY_RSP, |
| AVDT_SCB_HDL_SETCONFIG_CMD, |
| AVDT_SCB_HDL_SETCONFIG_REJ, |
| AVDT_SCB_HDL_SETCONFIG_RSP, |
| AVDT_SCB_HDL_START_CMD, |
| AVDT_SCB_HDL_START_RSP, |
| AVDT_SCB_HDL_SUSPEND_CMD, |
| AVDT_SCB_HDL_SUSPEND_RSP, |
| AVDT_SCB_HDL_TC_CLOSE, |
| #if AVDT_REPORTING == TRUE |
| AVDT_SCB_HDL_TC_CLOSE_STO, |
| #endif |
| AVDT_SCB_HDL_TC_OPEN, |
| #if AVDT_REPORTING == TRUE |
| AVDT_SCB_HDL_TC_OPEN_STO, |
| #endif |
| AVDT_SCB_SND_DELAY_RPT_REQ, |
| AVDT_SCB_HDL_DELAY_RPT_CMD, |
| AVDT_SCB_HDL_DELAY_RPT_RSP, |
| AVDT_SCB_HDL_WRITE_REQ, |
| AVDT_SCB_SND_ABORT_REQ, |
| AVDT_SCB_SND_ABORT_RSP, |
| AVDT_SCB_SND_CLOSE_REQ, |
| AVDT_SCB_SND_STREAM_CLOSE, |
| AVDT_SCB_SND_CLOSE_RSP, |
| AVDT_SCB_SND_GETCONFIG_REQ, |
| AVDT_SCB_SND_GETCONFIG_RSP, |
| AVDT_SCB_SND_OPEN_REQ, |
| AVDT_SCB_SND_OPEN_RSP, |
| AVDT_SCB_SND_RECONFIG_REQ, |
| AVDT_SCB_SND_RECONFIG_RSP, |
| AVDT_SCB_SND_SECURITY_REQ, |
| AVDT_SCB_SND_SECURITY_RSP, |
| AVDT_SCB_SND_SETCONFIG_REQ, |
| AVDT_SCB_SND_SETCONFIG_REJ, |
| AVDT_SCB_SND_SETCONFIG_RSP, |
| AVDT_SCB_SND_TC_CLOSE, |
| AVDT_SCB_CB_ERR, |
| AVDT_SCB_CONG_STATE, |
| AVDT_SCB_REJ_STATE, |
| AVDT_SCB_REJ_IN_USE, |
| AVDT_SCB_REJ_NOT_IN_USE, |
| AVDT_SCB_SET_REMOVE, |
| AVDT_SCB_FREE_PKT, |
| AVDT_SCB_CLR_PKT, |
| AVDT_SCB_CHK_SND_PKT, |
| AVDT_SCB_TC_TIMER, |
| AVDT_SCB_CLR_VARS, |
| AVDT_SCB_DEALLOC, |
| AVDT_SCB_NUM_ACTIONS |
| }; |
| |
| #define AVDT_SCB_IGNORE AVDT_SCB_NUM_ACTIONS |
| |
| /* scb state machine events */ |
| enum { |
| AVDT_SCB_API_REMOVE_EVT, |
| AVDT_SCB_API_WRITE_REQ_EVT, |
| AVDT_SCB_API_GETCONFIG_REQ_EVT, |
| AVDT_SCB_API_DELAY_RPT_REQ_EVT, |
| AVDT_SCB_API_SETCONFIG_REQ_EVT, |
| AVDT_SCB_API_OPEN_REQ_EVT, |
| AVDT_SCB_API_CLOSE_REQ_EVT, |
| AVDT_SCB_API_RECONFIG_REQ_EVT, |
| AVDT_SCB_API_SECURITY_REQ_EVT, |
| AVDT_SCB_API_ABORT_REQ_EVT, |
| AVDT_SCB_API_GETCONFIG_RSP_EVT, |
| AVDT_SCB_API_SETCONFIG_RSP_EVT, |
| AVDT_SCB_API_SETCONFIG_REJ_EVT, |
| AVDT_SCB_API_OPEN_RSP_EVT, |
| AVDT_SCB_API_CLOSE_RSP_EVT, |
| AVDT_SCB_API_RECONFIG_RSP_EVT, |
| AVDT_SCB_API_SECURITY_RSP_EVT, |
| AVDT_SCB_API_ABORT_RSP_EVT, |
| AVDT_SCB_MSG_SETCONFIG_CMD_EVT, |
| AVDT_SCB_MSG_GETCONFIG_CMD_EVT, |
| AVDT_SCB_MSG_OPEN_CMD_EVT, |
| AVDT_SCB_MSG_START_CMD_EVT, |
| AVDT_SCB_MSG_SUSPEND_CMD_EVT, |
| AVDT_SCB_MSG_CLOSE_CMD_EVT, |
| AVDT_SCB_MSG_ABORT_CMD_EVT, |
| AVDT_SCB_MSG_RECONFIG_CMD_EVT, |
| AVDT_SCB_MSG_SECURITY_CMD_EVT, |
| AVDT_SCB_MSG_DELAY_RPT_CMD_EVT, |
| AVDT_SCB_MSG_DELAY_RPT_RSP_EVT, |
| AVDT_SCB_MSG_SETCONFIG_RSP_EVT, |
| AVDT_SCB_MSG_GETCONFIG_RSP_EVT, |
| AVDT_SCB_MSG_OPEN_RSP_EVT, |
| AVDT_SCB_MSG_START_RSP_EVT, |
| AVDT_SCB_MSG_SUSPEND_RSP_EVT, |
| AVDT_SCB_MSG_CLOSE_RSP_EVT, |
| AVDT_SCB_MSG_ABORT_RSP_EVT, |
| AVDT_SCB_MSG_RECONFIG_RSP_EVT, |
| AVDT_SCB_MSG_SECURITY_RSP_EVT, |
| AVDT_SCB_MSG_SETCONFIG_REJ_EVT, |
| AVDT_SCB_MSG_OPEN_REJ_EVT, |
| AVDT_SCB_MSG_START_REJ_EVT, |
| AVDT_SCB_MSG_SUSPEND_REJ_EVT, |
| AVDT_SCB_TC_TOUT_EVT, |
| AVDT_SCB_TC_OPEN_EVT, |
| AVDT_SCB_TC_CLOSE_EVT, |
| AVDT_SCB_TC_CONG_EVT, |
| AVDT_SCB_TC_DATA_EVT, |
| AVDT_SCB_CC_CLOSE_EVT |
| }; |
| |
| /* adaption layer number of stream routing table entries */ |
| #if AVDT_REPORTING == TRUE |
| /* 2 channels(1 media, 1 report) for each SEP and one for signalling */ |
| #define AVDT_NUM_RT_TBL ((AVDT_NUM_SEPS<<1) + 1) |
| #else |
| #define AVDT_NUM_RT_TBL (AVDT_NUM_SEPS + 1) |
| #endif |
| |
| /* adaption layer number of transport channel table entries - moved to target.h |
| #define AVDT_NUM_TC_TBL (AVDT_NUM_SEPS + AVDT_NUM_LINKS) */ |
| |
| /* "states" used in transport channel table */ |
| #define AVDT_AD_ST_UNUSED 0 /* Unused - unallocated */ |
| #define AVDT_AD_ST_IDLE 1 /* No connection */ |
| #define AVDT_AD_ST_ACP 2 /* Waiting to accept a connection */ |
| #define AVDT_AD_ST_INT 3 /* Initiating a connection */ |
| #define AVDT_AD_ST_CONN 4 /* Waiting for connection confirm */ |
| #define AVDT_AD_ST_CFG 5 /* Waiting for configuration complete */ |
| #define AVDT_AD_ST_OPEN 6 /* Channel opened */ |
| #define AVDT_AD_ST_SEC_INT 7 /* Security process as INT */ |
| #define AVDT_AD_ST_SEC_ACP 8 /* Security process as ACP */ |
| |
| /* Configuration flags. tAVDT_TC_TBL.cfg_flags */ |
| #define AVDT_L2C_CFG_IND_DONE (1<<0) |
| #define AVDT_L2C_CFG_CFM_DONE (1<<1) |
| #define AVDT_L2C_CFG_CONN_INT (1<<2) |
| #define AVDT_L2C_CFG_CONN_ACP (1<<3) |
| |
| |
| /* result code for avdt_ad_write_req() (L2CA_DataWrite()) */ |
| #define AVDT_AD_FAILED L2CAP_DW_FAILED /* FALSE */ |
| #define AVDT_AD_SUCCESS L2CAP_DW_SUCCESS /* TRUE */ |
| #define AVDT_AD_CONGESTED L2CAP_DW_CONGESTED /* 2 */ |
| |
| /***************************************************************************** |
| ** data types |
| *****************************************************************************/ |
| |
| /* msg union of all message parameter types */ |
| typedef union { |
| tAVDT_EVT_HDR hdr; |
| tAVDT_EVT_HDR single; |
| tAVDT_SETCONFIG config_cmd; |
| tAVDT_CONFIG reconfig_cmd; |
| tAVDT_MULTI multi; |
| tAVDT_SECURITY security_cmd; |
| tAVDT_DISCOVER discover_rsp; |
| tAVDT_CONFIG svccap; |
| tAVDT_SECURITY security_rsp; |
| tAVDT_DELAY_RPT delay_rpt_cmd; |
| } tAVDT_MSG; |
| |
| /* data type for AVDT_CCB_API_DISCOVER_REQ_EVT */ |
| typedef struct { |
| tAVDT_CTRL_CBACK *p_cback; |
| tAVDT_SEP_INFO *p_sep_info; |
| UINT8 num_seps; |
| } tAVDT_CCB_API_DISCOVER; |
| |
| /* data type for AVDT_CCB_API_GETCAP_REQ_EVT */ |
| typedef struct { |
| tAVDT_EVT_HDR single; |
| tAVDT_CTRL_CBACK *p_cback; |
| tAVDT_CFG *p_cfg; |
| } tAVDT_CCB_API_GETCAP; |
| |
| /* data type for AVDT_CCB_API_CONNECT_REQ_EVT */ |
| typedef struct { |
| tAVDT_CTRL_CBACK *p_cback; |
| UINT8 sec_mask; |
| } tAVDT_CCB_API_CONNECT; |
| |
| /* data type for AVDT_CCB_API_DISCONNECT_REQ_EVT */ |
| typedef struct { |
| tAVDT_CTRL_CBACK *p_cback; |
| } tAVDT_CCB_API_DISCONNECT; |
| |
| /* union associated with ccb state machine events */ |
| typedef union { |
| tAVDT_CCB_API_DISCOVER discover; |
| tAVDT_CCB_API_GETCAP getcap; |
| tAVDT_CCB_API_CONNECT connect; |
| tAVDT_CCB_API_DISCONNECT disconnect; |
| tAVDT_MSG msg; |
| BOOLEAN llcong; |
| UINT8 err_code; |
| } tAVDT_CCB_EVT; |
| |
| /* channel control block type */ |
| typedef struct { |
| BD_ADDR peer_addr; /* BD address of peer */ |
| TIMER_LIST_ENT timer_entry; /* CCB timer list entry */ |
| BUFFER_Q cmd_q; /* Queue for outgoing command messages */ |
| BUFFER_Q rsp_q; /* Queue for outgoing response and reject messages */ |
| tAVDT_CTRL_CBACK *proc_cback; /* Procedure callback function */ |
| tAVDT_CTRL_CBACK *p_conn_cback; /* Connection/disconnection callback function */ |
| void *p_proc_data; /* Pointer to data storage for procedure */ |
| BT_HDR *p_curr_cmd; /* Current command being sent awaiting response */ |
| BT_HDR *p_curr_msg; /* Current message being sent */ |
| BT_HDR *p_rx_msg; /* Current message being received */ |
| BOOLEAN allocated; /* Whether ccb is allocated */ |
| UINT8 state; /* The CCB state machine state */ |
| BOOLEAN ll_opened; /* TRUE if LL is opened */ |
| BOOLEAN proc_busy; /* TRUE when a discover or get capabilities procedure in progress */ |
| UINT8 proc_param; /* Procedure parameter; either SEID for get capabilities or number of SEPS for discover */ |
| BOOLEAN cong; /* Whether signaling channel is congested */ |
| UINT8 label; /* Message header "label" (sequence number) */ |
| BOOLEAN reconn; /* If TRUE, reinitiate connection after transitioning from CLOSING to IDLE state */ |
| UINT8 ret_count; /* Command retransmission count */ |
| } tAVDT_CCB; |
| |
| /* type for action functions */ |
| typedef void (*tAVDT_CCB_ACTION)(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| |
| /* type for AVDT_SCB_API_WRITE_REQ_EVT */ |
| typedef struct { |
| BT_HDR *p_buf; |
| UINT32 time_stamp; |
| #if AVDT_MULTIPLEXING == TRUE |
| BUFFER_Q frag_q; /* Queue for outgoing media fragments. p_buf should be 0 */ |
| UINT8 *p_data; |
| UINT32 data_len; |
| #endif |
| UINT8 m_pt; |
| tAVDT_DATA_OPT_MASK opt; |
| } tAVDT_SCB_APIWRITE; |
| |
| /* type for AVDT_SCB_TC_CLOSE_EVT */ |
| typedef struct { |
| UINT8 old_tc_state; /* channel state before closed */ |
| UINT8 tcid; /* TCID */ |
| UINT8 type; /* channel type */ |
| } tAVDT_SCB_TC_CLOSE; |
| |
| /* type for scb event data */ |
| typedef union { |
| tAVDT_MSG msg; |
| tAVDT_SCB_APIWRITE apiwrite; |
| tAVDT_DELAY_RPT apidelay; |
| tAVDT_OPEN open; |
| tAVDT_SCB_TC_CLOSE close; |
| BOOLEAN llcong; |
| BT_HDR *p_pkt; |
| } tAVDT_SCB_EVT; |
| |
| /* stream control block type */ |
| typedef struct { |
| tAVDT_CS cs; /* stream creation struct */ |
| tAVDT_CFG curr_cfg; /* current configuration */ |
| tAVDT_CFG req_cfg; /* requested configuration */ |
| TIMER_LIST_ENT timer_entry; /* timer entry */ |
| BT_HDR *p_pkt; /* packet waiting to be sent */ |
| tAVDT_CCB *p_ccb; /* ccb associated with this scb */ |
| UINT16 media_seq; /* media packet sequence number */ |
| BOOLEAN allocated; /* whether scb is allocated or unused */ |
| BOOLEAN in_use; /* whether stream being used by peer */ |
| BOOLEAN sink_activated; /* A2DP Sink activated/de-activated from Application */ |
| UINT8 role; /* initiator/acceptor role in current procedure */ |
| BOOLEAN remove; /* whether CB is marked for removal */ |
| UINT8 state; /* state machine state */ |
| UINT8 peer_seid; /* SEID of peer stream */ |
| UINT8 curr_evt; /* current event; set only by state machine */ |
| BOOLEAN cong; /* Whether media transport channel is congested */ |
| UINT8 close_code; /* Error code received in close response */ |
| #if AVDT_MULTIPLEXING == TRUE |
| BUFFER_Q frag_q; /* Queue for outgoing media fragments */ |
| UINT32 frag_off; /* length of already received media fragments */ |
| UINT32 frag_org_len; /* original length before fragmentation of receiving media packet */ |
| UINT8 *p_next_frag; /* next fragment to send */ |
| UINT8 *p_media_buf; /* buffer for media packet assigned by AVDT_SetMediaBuf */ |
| UINT32 media_buf_len; /* length of buffer for media packet assigned by AVDT_SetMediaBuf */ |
| #endif |
| } tAVDT_SCB; |
| |
| /* type for action functions */ |
| typedef void (*tAVDT_SCB_ACTION)(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| |
| /* adaption layer type for transport channel table */ |
| typedef struct { |
| UINT16 peer_mtu; /* L2CAP mtu of the peer device */ |
| UINT16 my_mtu; /* Our MTU for this channel */ |
| UINT16 my_flush_to; /* Our flush timeout for this channel */ |
| UINT16 lcid; |
| UINT8 tcid; /* transport channel id */ |
| UINT8 ccb_idx; /* channel control block associated with this tc */ |
| UINT8 state; /* transport channel state */ |
| UINT8 cfg_flags; /* L2CAP configuration flags */ |
| UINT8 id; |
| } tAVDT_TC_TBL; |
| |
| /* adaption layer type for stream routing table */ |
| typedef struct { |
| UINT16 lcid; /* L2CAP LCID of the associated transport channel */ |
| UINT8 scb_hdl; /* stream control block associated with this tc */ |
| } tAVDT_RT_TBL; |
| |
| |
| /* adaption layer control block */ |
| typedef struct { |
| tAVDT_RT_TBL rt_tbl[AVDT_NUM_LINKS][AVDT_NUM_RT_TBL]; |
| tAVDT_TC_TBL tc_tbl[AVDT_NUM_TC_TBL]; |
| UINT8 lcid_tbl[MAX_L2CAP_CHANNELS]; /* map LCID to tc_tbl index */ |
| } tAVDT_AD; |
| |
| /* Control block for AVDT */ |
| typedef struct { |
| tAVDT_REG rcb; /* registration control block */ |
| tAVDT_CCB ccb[AVDT_NUM_LINKS]; /* channel control blocks */ |
| tAVDT_SCB scb[AVDT_NUM_SEPS]; /* stream control blocks */ |
| tAVDT_AD ad; /* adaption layer control block */ |
| tAVDTC_CTRL_CBACK *p_conf_cback; /* conformance callback function */ |
| tAVDT_CCB_ACTION *p_ccb_act; /* pointer to CCB action functions */ |
| tAVDT_SCB_ACTION *p_scb_act; /* pointer to SCB action functions */ |
| tAVDT_CTRL_CBACK *p_conn_cback; /* connection callback function */ |
| UINT8 trace_level; /* trace level */ |
| } tAVDT_CB; |
| |
| |
| /***************************************************************************** |
| ** function declarations |
| *****************************************************************************/ |
| |
| /* CCB function declarations */ |
| extern void avdt_ccb_init(void); |
| extern void avdt_ccb_event(tAVDT_CCB *p_ccb, UINT8 event, tAVDT_CCB_EVT *p_data); |
| extern tAVDT_CCB *avdt_ccb_by_bd(BD_ADDR bd_addr); |
| extern tAVDT_CCB *avdt_ccb_alloc(BD_ADDR bd_addr); |
| extern void avdt_ccb_dealloc(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern UINT8 avdt_ccb_to_idx(tAVDT_CCB *p_ccb); |
| extern tAVDT_CCB *avdt_ccb_by_idx(UINT8 idx); |
| |
| /* CCB action functions */ |
| extern void avdt_ccb_chan_open(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_chan_close(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_chk_close(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_discover_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_discover_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_getcap_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_getcap_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_start_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_start_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_suspend_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_hdl_suspend_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_discover_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_discover_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_getcap_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_getcap_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_start_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_start_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_suspend_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_suspend_rsp(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_clear_cmds(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_cmd_fail(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_free_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_cong_state(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_ret_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_cmd(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_snd_msg(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_set_reconn(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_clr_reconn(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_chk_reconn(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_chk_timer(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_set_conn(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_set_disconn(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_do_disconn(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_ll_closed(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| extern void avdt_ccb_ll_opened(tAVDT_CCB *p_ccb, tAVDT_CCB_EVT *p_data); |
| |
| /* SCB function prototypes */ |
| extern void avdt_scb_event(tAVDT_SCB *p_scb, UINT8 event, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_init(void); |
| extern tAVDT_SCB *avdt_scb_alloc(tAVDT_CS *p_cs); |
| extern void avdt_scb_dealloc(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern UINT8 avdt_scb_to_hdl(tAVDT_SCB *p_scb); |
| extern tAVDT_SCB *avdt_scb_by_hdl(UINT8 hdl); |
| extern UINT8 avdt_scb_verify(tAVDT_CCB *p_ccb, UINT8 state, UINT8 *p_seid, UINT16 num_seid, UINT8 *p_err_code); |
| extern void avdt_scb_peer_seid_list(tAVDT_MULTI *p_multi); |
| extern UINT32 avdt_scb_gen_ssrc(tAVDT_SCB *p_scb); |
| |
| /* SCB action functions */ |
| extern void avdt_scb_hdl_abort_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_abort_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_close_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_close_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_getconfig_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_getconfig_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_open_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_open_rej(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_open_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_pkt(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_drop_pkt(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_reconfig_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_reconfig_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_security_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_security_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_setconfig_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_setconfig_rej(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_setconfig_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_start_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_start_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_suspend_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_suspend_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_delay_rpt_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_delay_rpt_cmd(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_delay_rpt_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_tc_close(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_tc_open(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_tc_close_sto(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_tc_open_sto(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_hdl_write_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_abort_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_abort_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_close_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_stream_close(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_close_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_getconfig_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_getconfig_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_open_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_open_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_reconfig_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_reconfig_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_security_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_security_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_setconfig_req(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_setconfig_rej(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_setconfig_rsp(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_snd_tc_close(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_cb_err(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_cong_state(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_rej_state(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_rej_in_use(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_rej_not_in_use(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_set_remove(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_free_pkt(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_chk_snd_pkt(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_clr_pkt(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_tc_timer(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_clr_vars(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data); |
| extern void avdt_scb_queue_frags(tAVDT_SCB *p_scb, UINT8 **pp_data, UINT32 *p_data_len, BUFFER_Q *pq); |
| |
| /* msg function declarations */ |
| extern BOOLEAN avdt_msg_send(tAVDT_CCB *p_ccb, BT_HDR *p_msg); |
| extern void avdt_msg_send_cmd(tAVDT_CCB *p_ccb, void *p_scb, UINT8 sig_id, tAVDT_MSG *p_params); |
| extern void avdt_msg_send_rsp(tAVDT_CCB *p_ccb, UINT8 sig_id, tAVDT_MSG *p_params); |
| extern void avdt_msg_send_rej(tAVDT_CCB *p_ccb, UINT8 sig_id, tAVDT_MSG *p_params); |
| extern void avdt_msg_send_grej(tAVDT_CCB *p_ccb, UINT8 sig_id, tAVDT_MSG *p_params); |
| extern void avdt_msg_ind(tAVDT_CCB *p_ccb, BT_HDR *p_buf); |
| |
| /* adaption layer function declarations */ |
| extern void avdt_ad_init(void); |
| extern UINT8 avdt_ad_type_to_tcid(UINT8 type, tAVDT_SCB *p_scb); |
| extern tAVDT_TC_TBL *avdt_ad_tc_tbl_by_st(UINT8 type, tAVDT_CCB *p_ccb, UINT8 state); |
| extern tAVDT_TC_TBL *avdt_ad_tc_tbl_by_lcid(UINT16 lcid); |
| extern tAVDT_TC_TBL *avdt_ad_tc_tbl_alloc(tAVDT_CCB *p_ccb); |
| extern UINT8 avdt_ad_tc_tbl_to_idx(tAVDT_TC_TBL *p_tbl); |
| extern void avdt_ad_tc_close_ind(tAVDT_TC_TBL *p_tbl, UINT16 reason); |
| extern void avdt_ad_tc_open_ind(tAVDT_TC_TBL *p_tbl); |
| extern void avdt_ad_tc_cong_ind(tAVDT_TC_TBL *p_tbl, BOOLEAN is_congested); |
| extern void avdt_ad_tc_data_ind(tAVDT_TC_TBL *p_tbl, BT_HDR *p_buf); |
| extern tAVDT_TC_TBL *avdt_ad_tc_tbl_by_type(UINT8 type, tAVDT_CCB *p_ccb, tAVDT_SCB *p_scb); |
| extern UINT8 avdt_ad_write_req(UINT8 type, tAVDT_CCB *p_ccb, tAVDT_SCB *p_scb, BT_HDR *p_buf); |
| extern void avdt_ad_open_req(UINT8 type, tAVDT_CCB *p_ccb, tAVDT_SCB *p_scb, UINT8 role); |
| extern void avdt_ad_close_req(UINT8 type, tAVDT_CCB *p_ccb, tAVDT_SCB *p_scb); |
| |
| extern void avdt_process_timeout(TIMER_LIST_ENT *p_tle); |
| |
| /***************************************************************************** |
| ** macros |
| *****************************************************************************/ |
| |
| /* we store the scb and the label in the layer_specific field of the |
| ** current cmd |
| */ |
| #define AVDT_BLD_LAYERSPEC(ls, msg, label) \ |
| ls = (((label) << 4) | (msg)) |
| |
| #define AVDT_LAYERSPEC_LABEL(ls) ((UINT8)((ls) >> 4)) |
| |
| #define AVDT_LAYERSPEC_MSG(ls) ((UINT8)((ls) & 0x000F)) |
| |
| /***************************************************************************** |
| ** global data |
| *****************************************************************************/ |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /****************************************************************************** |
| ** Main Control Block |
| *******************************************************************************/ |
| #if AVDT_DYNAMIC_MEMORY == FALSE |
| extern tAVDT_CB avdt_cb; |
| #else |
| extern tAVDT_CB *avdt_cb_ptr; |
| #define avdt_cb (*avdt_cb_ptr) |
| #endif |
| |
| |
| /* L2CAP callback registration structure */ |
| extern const tL2CAP_APPL_INFO avdt_l2c_appl; |
| |
| /* reject message event lookup table */ |
| extern const UINT8 avdt_msg_rej_2_evt[]; |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* AVDT_INT_H */ |
