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Diffstat (limited to 'stack/avct/avct_int.h')
| -rw-r--r-- | stack/avct/avct_int.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/stack/avct/avct_int.h b/stack/avct/avct_int.h new file mode 100644 index 0000000..b93c032 --- /dev/null +++ b/stack/avct/avct_int.h @@ -0,0 +1,239 @@ +/****************************************************************************** + * + * Copyright (C) 2003-2012 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 AVCTP. + * + ******************************************************************************/ +#ifndef AVCT_INT_H +#define AVCT_INT_H + +#include "gki.h" +#include "avct_api.h" +#include "avct_defs.h" +#include "l2c_api.h" + +/***************************************************************************** +** constants +*****************************************************************************/ + +/* lcb state machine events */ +enum { + AVCT_LCB_UL_BIND_EVT, + AVCT_LCB_UL_UNBIND_EVT, + AVCT_LCB_UL_MSG_EVT, + AVCT_LCB_INT_CLOSE_EVT, + AVCT_LCB_LL_OPEN_EVT, + AVCT_LCB_LL_CLOSE_EVT, + AVCT_LCB_LL_MSG_EVT, + AVCT_LCB_LL_CONG_EVT +}; + + +/* "states" used for L2CAP channel */ +#define AVCT_CH_IDLE 0 /* No connection */ +#define AVCT_CH_CONN 1 /* Waiting for connection confirm */ +#define AVCT_CH_CFG 2 /* Waiting for configuration complete */ +#define AVCT_CH_OPEN 3 /* Channel opened */ + +/* "no event" indicator used by ccb dealloc */ +#define AVCT_NO_EVT 0xFF + +/***************************************************************************** +** data types +*****************************************************************************/ +/* sub control block type - common data members for tAVCT_LCB and tAVCT_BCB */ +typedef struct { + UINT16 peer_mtu; /* peer l2c mtu */ + UINT16 ch_result; /* L2CAP connection result value */ + UINT16 ch_lcid; /* L2CAP channel LCID */ + UINT8 allocated; /* 0, not allocated. index+1, otherwise. */ + UINT8 state; /* The state machine state */ + UINT8 ch_state; /* L2CAP channel state */ + UINT8 ch_flags; /* L2CAP configuration flags */ +} tAVCT_SCB; + +/* link control block type */ +typedef struct { + UINT16 peer_mtu; /* peer l2c mtu */ + UINT16 ch_result; /* L2CAP connection result value */ + UINT16 ch_lcid; /* L2CAP channel LCID */ + UINT8 allocated; /* 0, not allocated. index+1, otherwise. */ + UINT8 state; /* The state machine state */ + UINT8 ch_state; /* L2CAP channel state */ + UINT8 ch_flags; /* L2CAP configuration flags */ + BT_HDR *p_rx_msg; /* Message being reassembled */ + UINT16 conflict_lcid; /* L2CAP channel LCID */ + BD_ADDR peer_addr; /* BD address of peer */ + BUFFER_Q tx_q; /* Transmit data buffer queue */ + BOOLEAN cong; /* TRUE, if congested */ +} tAVCT_LCB; + +/* browse control block type */ +typedef struct { + UINT16 peer_mtu; /* peer l2c mtu */ + UINT16 ch_result; /* L2CAP connection result value */ + UINT16 ch_lcid; /* L2CAP channel LCID */ + UINT8 allocated; /* 0, not allocated. index+1, otherwise. */ + UINT8 state; /* The state machine state */ + UINT8 ch_state; /* L2CAP channel state */ + UINT8 ch_flags; /* L2CAP configuration flags */ + BT_HDR *p_tx_msg; /* Message to be sent - in case the browsing channel is not open when MsgReg is called */ + UINT8 ch_close; /* CCB index+1, if CCB initiated channel close */ +} tAVCT_BCB; + +#define AVCT_ALOC_LCB 0x01 +#define AVCT_ALOC_BCB 0x02 +/* connection control block */ +typedef struct { + tAVCT_CC cc; /* parameters from connection creation */ + tAVCT_LCB *p_lcb; /* Associated LCB */ + tAVCT_BCB *p_bcb; /* associated BCB */ + BOOLEAN ch_close; /* Whether CCB initiated channel close */ + UINT8 allocated; /* Whether LCB/BCB is allocated */ +} tAVCT_CCB; + +/* data type associated with UL_MSG_EVT */ +typedef struct { + BT_HDR *p_buf; + tAVCT_CCB *p_ccb; + UINT8 label; + UINT8 cr; +} tAVCT_UL_MSG; + +/* union associated with lcb state machine events */ +typedef union { + tAVCT_UL_MSG ul_msg; + BT_HDR *p_buf; + tAVCT_CCB *p_ccb; + UINT16 result; + BOOLEAN cong; + UINT8 err_code; +} tAVCT_LCB_EVT; + +/* Control block for AVCT */ +typedef struct { + tAVCT_LCB lcb[AVCT_NUM_LINKS]; /* link control blocks */ + tAVCT_BCB bcb[AVCT_NUM_LINKS]; /* browse control blocks */ + tAVCT_CCB ccb[AVCT_NUM_CONN]; /* connection control blocks */ + UINT16 mtu; /* our L2CAP MTU */ + UINT16 mtu_br; /* our L2CAP MTU for the Browsing channel */ + UINT8 trace_level; /* trace level */ +} tAVCT_CB; + +/***************************************************************************** +** function declarations +*****************************************************************************/ + +/* LCB function declarations */ +extern void avct_lcb_event(tAVCT_LCB *p_lcb, UINT8 event, tAVCT_LCB_EVT *p_data); +#if (AVCT_BROWSE_INCLUDED == TRUE) +extern void avct_bcb_event(tAVCT_BCB *p_bcb, UINT8 event, tAVCT_LCB_EVT *p_data); +extern void avct_close_bcb(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern tAVCT_LCB *avct_lcb_by_bcb(tAVCT_BCB *p_bcb); +extern tAVCT_BCB *avct_bcb_by_lcb(tAVCT_LCB *p_lcb); +extern BOOLEAN avct_bcb_last_ccb(tAVCT_BCB *p_bcb, tAVCT_CCB *p_ccb_last); +extern tAVCT_BCB *avct_bcb_by_lcid(UINT16 lcid); +#endif +extern tAVCT_LCB *avct_lcb_by_bd(BD_ADDR bd_addr); +extern tAVCT_LCB *avct_lcb_alloc(BD_ADDR bd_addr); +extern void avct_lcb_dealloc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern tAVCT_LCB *avct_lcb_by_lcid(UINT16 lcid); +extern tAVCT_CCB *avct_lcb_has_pid(tAVCT_LCB *p_lcb, UINT16 pid); +extern BOOLEAN avct_lcb_last_ccb(tAVCT_LCB *p_lcb, tAVCT_CCB *p_ccb_last); + +/* LCB action functions */ +extern void avct_lcb_chnl_open(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_unbind_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_open_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_open_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_close_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_close_cfm(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_bind_conn(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_chk_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_chnl_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_bind_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_cong_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_discard_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_send_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); +extern void avct_lcb_free_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data); + +/* BCB action functions */ +#if (AVCT_BROWSE_INCLUDED == TRUE) +typedef void (*tAVCT_BCB_ACTION)(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_chnl_open(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_unbind_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_open_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_open_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_close_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_close_cfm(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_bind_conn(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_chk_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_chnl_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_bind_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_cong_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_discard_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_send_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); +extern void avct_bcb_free_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); + +extern void avct_bcb_dealloc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data); + +extern const tAVCT_BCB_ACTION avct_bcb_action[]; +extern const UINT8 avct_lcb_pkt_type_len[]; +extern const tL2CAP_FCR_OPTS avct_l2c_br_fcr_opts_def; +#endif + +/* CCB function declarations */ +extern tAVCT_CCB *avct_ccb_alloc(tAVCT_CC *p_cc); +extern void avct_ccb_dealloc(tAVCT_CCB *p_ccb, UINT8 event, UINT16 result, BD_ADDR bd_addr); +extern UINT8 avct_ccb_to_idx(tAVCT_CCB *p_ccb); +extern tAVCT_CCB *avct_ccb_by_idx(UINT8 idx); + + +/***************************************************************************** +** global data +*****************************************************************************/ +#ifdef __cplusplus +extern "C" +{ +#endif + +/* Main control block */ +#if AVCT_DYNAMIC_MEMORY == FALSE +AVCT_API extern tAVCT_CB avct_cb; +#else +AVCT_API extern tAVCT_CB *avct_cb_ptr; +#define avct_cb (*avct_cb_ptr) +#endif + +/* L2CAP callback registration structure */ +extern const tL2CAP_APPL_INFO avct_l2c_appl; +#if (AVCT_BROWSE_INCLUDED == TRUE) +extern const tL2CAP_APPL_INFO avct_l2c_br_appl; +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* AVCT_INT_H */ + + |