359 lines
11 KiB
C
359 lines
11 KiB
C
/***************************************************************************
|
|
*
|
|
* Copyright 2015-2019 BES.
|
|
* All rights reserved. All unpublished rights reserved.
|
|
*
|
|
* No part of this work may be used or reproduced in any form or by any
|
|
* means, or stored in a database or retrieval system, without prior written
|
|
* permission of BES.
|
|
*
|
|
* Use of this work is governed by a license granted by BES.
|
|
* This work contains confidential and proprietary information of
|
|
* BES. which is protected by copyright, trade secret,
|
|
* trademark and other intellectual property rights.
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#ifndef __L2CAP_H__
|
|
#define __L2CAP_H__
|
|
|
|
#include "btlib_type.h"
|
|
#include "co_ppbuff.h"
|
|
#include "bt_co_list.h"
|
|
#include "l2cap_i.h"
|
|
#include "btm_i.h"
|
|
|
|
typedef void (*l2cap_sdp_disconnect_callback)(const void *para);
|
|
typedef uint8 (*btm_get_ibrt_role_callback)(const void *para);
|
|
typedef uint8 (*btm_get_tss_state_callback)(const void *para);
|
|
/* base frame */
|
|
#define L2CAP_SIG_CID 0x0001
|
|
#define L2CAP_CONNECTIONLESS_CID 0x0002
|
|
|
|
#define L2CAP_CHANNEL_NUM_PER_LINK (9) /* rfcomm (1) + avrcp (1) + avdtp (2) + sdp (4) + extra (1) */
|
|
#define CID_INDEX_OFFSET (0x40)
|
|
#define l2cap_cid_to_index(cid) (cid - CID_INDEX_OFFSET)
|
|
#define l2cap_index_to_cid(index) (index + CID_INDEX_OFFSET)
|
|
|
|
struct l2cap_hdr {
|
|
uint16 len;
|
|
uint16 cid;
|
|
}__attribute__ ((packed));
|
|
|
|
/* command code */
|
|
#define L2CAP_SIG_REJ 0x01
|
|
#define L2CAP_SIG_CONN_REQ 0x02
|
|
#define L2CAP_SIG_CONN_RSP 0x03
|
|
#define L2CAP_SIG_CFG_REQ 0x04
|
|
#define L2CAP_SIG_CFG_RSP 0x05
|
|
#define L2CAP_SIG_DISCONN_REQ 0x06
|
|
#define L2CAP_SIG_DISCONN_RSP 0x07
|
|
#define L2CAP_SIG_ECHO_REQ 0x08
|
|
#define L2CAP_SIG_ECHO_RSP 0x09
|
|
#define L2CAP_SIG_INFO_REQ 0x0A
|
|
#define L2CAP_SIG_INFO_RSP 0x0B
|
|
|
|
//Not used since inter-operation with special BT insturement
|
|
#if 0
|
|
/* indentifier id */
|
|
#define L2C_SIG_ID_REMAP_OFFSET (100)
|
|
#define L2C_SIG_CONN_REQ_ID (1)
|
|
#define L2C_SIG_DISCONN_REQ_ID (21)
|
|
#define L2C_SIG_CONFIG_REQ_ID (41)
|
|
#define L2C_SIG_ECHO_REQ_ID (61)
|
|
#define L2CAP_SIG_INFO_REQ_ID (81)
|
|
#define L2CAP_SIG_DEFAULT_ID (1)
|
|
#endif
|
|
|
|
struct l2cap_sig_hdr {
|
|
byte code;
|
|
byte id;
|
|
uint16 len;
|
|
}__attribute__ ((packed));
|
|
|
|
|
|
#define L2CAP_SIG_REASON_NOT_UNDERSTOOD 0x0
|
|
#define L2CAP_SIG_REASON_MTU_EXCEED 0x1
|
|
#define L2CAP_SIG_REASON_INVALID_CID 0x2
|
|
struct l2cap_sig_rej {
|
|
|
|
uint16 reason;
|
|
/*data*/
|
|
uint16 scid; /*the data len is 0 - 4*/
|
|
uint16 dcid;
|
|
}__attribute__ ((packed));
|
|
|
|
struct l2cap_sig_conn_req {
|
|
uint16 psm;
|
|
uint16 scid;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_SIG_RESULT_SUCCESS 0x0
|
|
#define L2CAP_SIG_RESULT_PENDING 0x1
|
|
#define L2CAP_SIG_RESULT_REFUSE_PSM 0x2
|
|
#define L2CAP_SIG_RESULT_REFUSE_SECURITY 0x3
|
|
#define L2CAP_SIG_RESULT_REFUSE_RESOURCE 0x4
|
|
|
|
#define L2CAP_SIG_RESULT_PENDING_NOINFO 0x00
|
|
#define L2CAP_SIG_RESULT_PENDING_AUTHEN 0x01
|
|
#define L2CAP_SIG_RESULT_PENDING_AUTHOR 0x02
|
|
struct l2cap_sig_conn_rsp {
|
|
uint16 dcid;
|
|
uint16 scid;
|
|
|
|
uint16 result;
|
|
uint16 status; /*only defined when result = pending */
|
|
}__attribute__ ((packed));
|
|
|
|
struct l2cap_sig_cfg_req {
|
|
uint16 dcid;
|
|
uint16 flags; /* bit0=1:continue bit0=0:complete */
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_CFGRSP_SUCCESS 0x0000
|
|
#define L2CAP_CFGRSP_UNACCEPT_PARAMS 0x0001
|
|
#define L2CAP_CFGRSP_REJ 0x0002
|
|
#define L2CAP_CFGRSP_UNKNOWN 0x0003
|
|
struct l2cap_sig_cfg_rsp {
|
|
uint16 scid;
|
|
uint16 flags;
|
|
uint16 result;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_CFG_TYPE_MTU 0x01
|
|
#define L2CAP_CFG_TYPEF_FLUSH_TO 0x02
|
|
#define L2CAP_CFG_TYPE_QOS 0x03
|
|
#define L2CAP_CFG_TYPE_RFC 0x04 //retransmission and flow control
|
|
#define L2CAP_CFG_TYPE_FCS 0x05
|
|
#define L2CAP_CFG_TYPE_EFS 0x05 //extended flow specification
|
|
#define L2CAP_CFG_TYPE_EWS 0x06 //extended window size
|
|
struct l2cap_sig_cfg_opt_hdr{
|
|
byte type;
|
|
byte len;
|
|
}__attribute__ ((packed));
|
|
|
|
struct l2cap_sig_cfg_opt_mtu {
|
|
|
|
uint16 mtu;
|
|
}__attribute__ ((packed));
|
|
struct l2cap_sig_cfg_opt_flushto {
|
|
|
|
uint16 flushto;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_QOS_NO_TRAFFIC 0x00
|
|
#define L2CAP_QOS_BEST_EFFORT 0x01
|
|
#define L2CAP_QOS_GUARANTEED 0x02
|
|
struct l2cap_sig_cfg_opt_qos {
|
|
|
|
byte flags;
|
|
byte service_type;
|
|
uint32 token_rate;
|
|
uint32 token_size;
|
|
uint32 bandwidth;
|
|
uint32 latency;
|
|
uint32 delay_variation;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_MODE_BASE 0
|
|
#define L2CAP_MODE_RETRANSMISSION 1
|
|
#define L2CAP_MODE_FLOWCONTROL 2
|
|
#define L2CAP_MODE_ENHANCED_RETRANSMISSION 3
|
|
#define L2CAP_MODE_STREAMING 4
|
|
struct l2cap_sig_cfg_opt_rfc {
|
|
|
|
byte mode;
|
|
byte txwindow;
|
|
byte maxtransmit;
|
|
uint16 retransmission_timeout;
|
|
uint16 monitor_timeout;
|
|
uint16 mps;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_FCS_TYPE_NONE 0x00
|
|
#define L2CAP_FCS_TYPE_16_BIT 0x01
|
|
struct l2cap_sig_cfg_opt_fcs {
|
|
byte type;
|
|
}__attribute__ ((packed));
|
|
|
|
struct l2cap_sig_disconn_req {
|
|
|
|
uint16 dcid;
|
|
uint16 scid;
|
|
}__attribute__ ((packed));
|
|
|
|
struct l2cap_sig_disconn_rsp {
|
|
uint16 dcid;
|
|
uint16 scid;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_INFOTYPE_CONNLESS_MTU 0x01
|
|
#define L2CAP_INFOTYPE_EXTENED_FEATURE 0x02
|
|
struct l2cap_sig_info_req {
|
|
uint16 infotype;
|
|
}__attribute__ ((packed));
|
|
|
|
#define L2CAP_INFOTYPE_SUCCESS 0x00
|
|
#define L2CAP_INFOTYPE_NOT_SUPPORT 0x01
|
|
|
|
#define L2CAP_INFOTYPE_SUPPORT_FLOWCONTROL_MASK 0x01
|
|
#define L2CAP_INFOTYPE_SUPPORT_RETRANSMISSION_MASK 0x02
|
|
#define L2CAP_INFOTYPE_SUPPORT_BIQOS_MASK 0x04
|
|
struct l2cap_sig_info_rsp {
|
|
uint16 infotype;
|
|
uint16 result;
|
|
/*if result == success, data: mtu(2 bytes), feature mask(4 bytes) */
|
|
uint32 mask;
|
|
}__attribute__ ((packed));
|
|
|
|
//supported extern features by l2cap
|
|
#define L2CAP_EXFEATURE_FLOW_CONTROL (1<<0)
|
|
#define L2CAP_EXFEATURE_RETRANS_MODE (1<<1)
|
|
#define L2CAP_EXFEATURE_BIDIRECT_QOS (1<<2)
|
|
#define L2CAP_EXFEATURE_ENHANCED_RETRANS (1<<3)
|
|
#define L2CAP_EXFEATURE_STREAMING_MODE (1<<4)
|
|
#define L2CAP_EXFEATURE_FCS_OPTIONS (1<<5)
|
|
#define L2CAP_EXFEATURE_EXT_FLOW_SPEC (1<<6)
|
|
#define L2CAP_EXFEATURE_FIXED_CHANNELS (1<<7)
|
|
#define L2CAP_EXFEATURE_EXT_WINDOW_SIZE (1<<8)
|
|
#define L2CAP_EXFEATURE_UCD_RECEPTION (1<<9)
|
|
|
|
#define L2CAP_SIG_CFG_MTU_MASK (1<<0)
|
|
#define L2CAP_SIG_CFG_FLUSHTO_MASK (1<<1)
|
|
#define L2CAP_SIG_CFG_QOS_MASK (1<<2)
|
|
#define L2CAP_SIG_CFG_RFC_MASK (1<<3)
|
|
#define L2CAP_SIG_CFG_FCS_MASK (1<<4)
|
|
|
|
struct config_in_t {
|
|
uint8 cfgin_flag;
|
|
struct l2cap_sig_cfg_opt_mtu mtu_local;
|
|
struct l2cap_sig_cfg_opt_flushto flushto_remote;
|
|
struct l2cap_sig_cfg_opt_qos qos_remote;
|
|
struct l2cap_sig_cfg_opt_rfc rfc_local;
|
|
struct l2cap_sig_cfg_opt_fcs fcs_remote;
|
|
};
|
|
|
|
struct config_out_t {
|
|
uint8 cfgout_flag;
|
|
struct l2cap_sig_cfg_opt_mtu mtu_remote;
|
|
struct l2cap_sig_cfg_opt_flushto flushto_local;
|
|
struct l2cap_sig_cfg_opt_qos qos_local;
|
|
struct l2cap_sig_cfg_opt_rfc rfc_remote;
|
|
struct l2cap_sig_cfg_opt_fcs fcs_local;
|
|
};
|
|
|
|
#define L2C_NOTIFY_RESULT_ACCEPT (0)
|
|
#define L2C_NOTIFY_RESULT_REJECT (1)
|
|
#define L2C_NOTIFY_RESULT_UPPER_LAYER_HANDLED (2)
|
|
|
|
struct l2cap_registered_psm_item_t {
|
|
struct list_node list;
|
|
uint16 psm;
|
|
int8 conn_count; /*how many conn can be created*/
|
|
int (*l2cap_notify_callback)(enum l2cap_event_enum event, uint32 l2cap_handle, void *pdata, uint8 reason);
|
|
void (*l2cap_datarecv_callback)(uint32 l2cap_handle, struct pp_buff *ppb);
|
|
};
|
|
|
|
enum l2cap_channel_state_enum {
|
|
L2CAP_CLOSE, /*baseband connection closed, wait for hci conn openning, and then can send out conn request signal*/
|
|
L2CAP_WAIT_DISCONNECT,
|
|
L2CAP_WAITING, /* waitf for the baseband connection to send out conn req signal */
|
|
L2CAP_AUTH_PENDING, /* waiting for baseband authentication or encryption */
|
|
L2CAP_WAIT_CONNECTION_RSP,
|
|
L2CAP_WAIT_CONFIG,
|
|
L2CAP_WAIT_CONFIG_REQ_RSP,
|
|
L2CAP_WAIT_CONFIG_RSP,
|
|
L2CAP_WAIT_CONFIG_REQ,
|
|
L2CAP_OPEN
|
|
};
|
|
|
|
struct l2cap_channel{
|
|
struct list_node list;
|
|
|
|
struct l2cap_conn *conn;
|
|
|
|
|
|
uint32 l2cap_handle;
|
|
|
|
uint16 scid;
|
|
uint16 dcid;
|
|
uint16 psm_remote;
|
|
|
|
uint8 used; /* channel used or not*/
|
|
uint8 initiator; /* local or peer initate l2cap channel*/
|
|
uint8 sigid_last_send; /*to save our last request signal id*/
|
|
uint8 sigid_last_recv; /*to save the last remote's request signal id*/
|
|
|
|
//max co timer num is less than 255 in our stack,so just one byte is ok
|
|
uint8 disconnect_req_timeout_timer;/*to avoid disconnect req not response,so we need to give a timeout flag*/
|
|
uint8 close_delay_timer;
|
|
uint8 wait_conn_req_timer;
|
|
uint8 wait_config_req_timer;
|
|
|
|
uint8 disconnect_req_reason;
|
|
/* for config req and resp */
|
|
uint8 wait_cfg_req_done;
|
|
struct config_in_t cfgin;
|
|
struct config_out_t cfgout;
|
|
|
|
|
|
enum l2cap_channel_state_enum state;
|
|
|
|
int (*l2cap_notify_callback)(enum l2cap_event_enum event, uint32 l2cap_handle, void *pdata, uint8 reason);
|
|
void (*l2cap_datarecv_callback)(uint32 l2cap_handle, struct pp_buff *ppb);
|
|
#if SUPPORT_L2CAP_ENHANCED_RETRANS==1
|
|
struct l2cap_enhanced_channel *eChannel;
|
|
uint8 channel_mode;
|
|
#endif
|
|
};
|
|
|
|
struct l2cap_conn {
|
|
struct list_node list;
|
|
struct bdaddr_t remote;
|
|
uint16 conn_handle;
|
|
uint8 sigid;
|
|
uint8 inuse;
|
|
|
|
uint8 disconnect_by_acl;
|
|
uint8 disconnect_reason;
|
|
uint8 delay_free_conn_timer;
|
|
|
|
struct list_node channels;
|
|
struct l2cap_channel l2c_channel_array[L2CAP_CHANNEL_NUM_PER_LINK];
|
|
};
|
|
|
|
struct l2cap_conn_req_param_t {
|
|
uint16 conn_handle;
|
|
uint16 remote_scid;
|
|
uint16 psm;
|
|
uint8 identifier;
|
|
struct bdaddr_t remote_addr;
|
|
};
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct l2cap_channel * l2cap_accept_conn_req(struct l2cap_conn_req_param_t* req);
|
|
void l2cap_reject_conn_req(struct l2cap_conn_req_param_t* req, uint16 reason);
|
|
|
|
int8 l2cap_send_frame_done(uint16 conn_handle, struct pp_buff *ppb);
|
|
uint8* l2cap_make_sig_req(struct l2cap_channel *channel,uint8 sig_code,uint16 sig_datalen,struct pp_buff *ppb);
|
|
struct l2cap_conn *l2cap_conn_search_conn_handle(uint16 conn_handle);
|
|
struct l2cap_channel *l2cap_channel_search_l2cap_conn(struct l2cap_conn * conn, uint16 psm);
|
|
uint16 l2cap_get_conn_handle(struct bdaddr_t *bdaddr);
|
|
void l2cap_channel_add_new(struct l2cap_conn *conn,struct l2cap_channel *channel);
|
|
struct l2cap_channel *l2cap_channel_search_scid(struct l2cap_conn *conn, uint16 scid);
|
|
struct l2cap_channel *l2cap_channel_search_psm(struct l2cap_conn *conn, uint16 psm);
|
|
//uint32 l2cap_save_channel_ctx(uint8 *ctxs_buffer, uint16 mobile_handle);
|
|
//uint32 l2cap_set_channels_ctx(uint8 *ctxs_buffer, uint8 dev_tbl_idx);
|
|
struct l2cap_channel *l2cap_channel_malloc(struct l2cap_conn *conn,uint16 psm,uint16 scid);
|
|
void l2cap_channel_free(struct l2cap_channel *channel);
|
|
void l2cap_find_and_free_pending_avdtp_channel(struct bdaddr_t* remote);
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __L2CAP_H__ */
|