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1 /******************************************************************************
2  *
3  *  Copyright 2006-2012 Broadcom Corporation
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 /******************************************************************************
20  *
21  *  This is the private interface file for the BTA Java I/F
22  *
23  ******************************************************************************/
24 #ifndef BTA_JV_INT_H
25 #define BTA_JV_INT_H
26 
27 #include <memory>
28 #include <unordered_set>
29 
30 #include "bta/include/bta_jv_api.h"
31 #include "stack/include/rfcdefs.h"
32 
33 /*****************************************************************************
34  *  Constants
35  ****************************************************************************/
36 
37 #ifndef BTA_JV_RFC_EV_MASK
38 #define BTA_JV_RFC_EV_MASK \
39   (PORT_EV_RXCHAR | PORT_EV_TXEMPTY | PORT_EV_FC | PORT_EV_FCS)
40 #endif
41 
42 enum {
43   BTA_JV_PM_FREE_ST = 0, /* empty PM slot */
44   BTA_JV_PM_IDLE_ST,
45   BTA_JV_PM_BUSY_ST
46 };
47 
48 /* BTA JV PM control block */
49 typedef struct {
50   uint32_t handle;      /* The connection handle */
51   uint8_t state;        /* state: see above enum */
52   tBTA_JV_PM_ID app_id; /* JV app specific id indicating power table to use */
53   RawAddress peer_bd_addr; /* Peer BD address */
54 } tBTA_JV_PM_CB;
55 
56 enum {
57   BTA_JV_ST_NONE = 0,
58   BTA_JV_ST_CL_OPENING,
59   BTA_JV_ST_CL_OPEN,
60   BTA_JV_ST_CL_CLOSING,
61   BTA_JV_ST_SR_LISTEN,
62   BTA_JV_ST_SR_OPEN,
63   BTA_JV_ST_SR_CLOSING
64 };
65 typedef uint8_t tBTA_JV_STATE;
66 #define BTA_JV_ST_CL_MAX BTA_JV_ST_CL_CLOSING
67 /* JV L2CAP control block */
68 typedef struct {
69   tBTA_JV_L2CAP_CBACK* p_cback; /* the callback function */
70   uint16_t psm;                 /* the psm used for this server connection */
71   tBTA_JV_STATE state;          /* the state of this control block */
72   tBTA_SERVICE_ID sec_id;       /* service id */
73   uint32_t handle; /* the handle reported to java app (same as gap handle) */
74   bool cong;       /* true, if congested */
75   tBTA_JV_PM_CB* p_pm_cb; /* ptr to pm control block, NULL: unused */
76   uint32_t l2cap_socket_id;
77 } tBTA_JV_L2C_CB;
78 
79 #define BTA_JV_RFC_HDL_MASK 0xFF
80 #define BTA_JV_RFCOMM_MASK 0x80
81 #define BTA_JV_ALL_APP_ID 0xFF
82 #define BTA_JV_RFC_HDL_TO_SIDX(r) (((r)&0xFF00) >> 8)
83 #define BTA_JV_RFC_H_S_TO_HDL(h, s) ((h) | ((s) << 8))
84 
85 /* port control block */
86 typedef struct {
87   uint32_t handle;      /* the rfcomm session handle at jv */
88   uint16_t port_handle; /* port handle */
89   tBTA_JV_STATE state;  /* the state of this control block */
90   uint8_t max_sess;     /* max sessions */
91   uint32_t rfcomm_slot_id;
92   bool cong;              /* true, if congested */
93   tBTA_JV_PM_CB* p_pm_cb; /* ptr to pm control block, NULL: unused */
94 } tBTA_JV_PCB;
95 
96 /* JV RFCOMM control block */
97 typedef struct {
98   tBTA_JV_RFCOMM_CBACK* p_cback; /* the callback function */
99   uint16_t rfc_hdl[BTA_JV_MAX_RFC_SR_SESSION];
100   tBTA_SERVICE_ID sec_id; /* service id */
101   uint8_t handle;         /* index: the handle reported to java app */
102   uint8_t scn;            /* the scn of the server */
103   uint8_t max_sess;       /* max sessions */
104   int curr_sess;          /* current sessions count*/
105 } tBTA_JV_RFC_CB;
106 
107 /* JV control block */
108 typedef struct {
109   /* the SDP handle reported to JV user is the (index + 1) to sdp_handle[].
110    * if sdp_handle[i]==0, it's not used.
111    * otherwise sdp_handle[i] is the stack SDP handle. */
112   uint32_t sdp_handle[BTA_JV_MAX_SDP_REC]; /* SDP records created */
113   uint8_t* p_sel_raw_data; /* the raw data of last service select */
114   tBTA_JV_DM_CBACK* p_dm_cback;
115   tBTA_JV_L2C_CB l2c_cb[BTA_JV_MAX_L2C_CONN]; /* index is GAP handle (index) */
116   tBTA_JV_RFC_CB rfc_cb[BTA_JV_MAX_RFC_CONN];
117   tBTA_JV_PCB port_cb[MAX_RFC_PORTS];          /* index of this array is
118                                                   the port_handle, */
119   uint8_t sec_id[BTA_JV_NUM_SERVICE_ID];       /* service ID */
120   bool scn[BTA_JV_MAX_SCN];                    /* SCN allocated by java */
121   uint16_t free_psm_list[BTA_JV_MAX_L2C_CONN]; /* PSMs freed by java
122                                                 (can be reused) */
123   uint8_t sdp_active;                          /* see BTA_JV_SDP_ACT_* */
124   bluetooth::Uuid uuid;                   /* current uuid of sdp discovery*/
125   tBTA_JV_PM_CB pm_cb[BTA_JV_PM_MAX_NUM]; /* PM on a per JV handle bases */
126 
127   uint16_t dyn_psm; /* Next dynamic PSM value to try to assign */
128 } tBTA_JV_CB;
129 
130 enum {
131   BTA_JV_SDP_ACT_NONE = 0,
132   BTA_JV_SDP_ACT_YES,   /* waiting for SDP result */
133   BTA_JV_SDP_ACT_CANCEL /* waiting for cancel complete */
134 };
135 
136 /* JV control block */
137 extern tBTA_JV_CB bta_jv_cb;
138 
139 extern std::unordered_set<uint16_t> used_l2cap_classic_dynamic_psm;
140 
141 /* config struct */
142 extern tBTA_JV_CFG* p_bta_jv_cfg;
143 
144 extern void bta_jv_enable(tBTA_JV_DM_CBACK* p_cback);
145 extern void bta_jv_disable();
146 extern void bta_jv_get_channel_id(int32_t type, int32_t channel,
147                                   uint32_t l2cap_socket_id,
148                                   uint32_t rfcomm_slot_id);
149 extern void bta_jv_free_scn(int32_t type, uint16_t scn);
150 extern void bta_jv_start_discovery(const RawAddress& bd_addr, uint16_t num_uuid,
151                                    bluetooth::Uuid* uuid_list,
152                                    uint32_t rfcomm_slot_id);
153 extern void bta_jv_create_record(uint32_t rfcomm_slot_id);
154 extern void bta_jv_delete_record(uint32_t handle);
155 extern void bta_jv_l2cap_connect(int32_t type, tBTA_SEC sec_mask,
156                                  tBTA_JV_ROLE role, uint16_t remote_psm,
157                                  uint16_t rx_mtu,
158                                  const RawAddress& peer_bd_addr,
159                                  std::unique_ptr<tL2CAP_CFG_INFO> cfg,
160                                  std::unique_ptr<tL2CAP_ERTM_INFO> ertm_info,
161                                  tBTA_JV_L2CAP_CBACK* p_cback,
162                                  uint32_t l2cap_socket_id);
163 extern void bta_jv_l2cap_close(uint32_t handle, tBTA_JV_L2C_CB* p_cb);
164 extern void bta_jv_l2cap_start_server(
165     int32_t type, tBTA_SEC sec_mask, tBTA_JV_ROLE role, uint16_t local_psm,
166     uint16_t rx_mtu, std::unique_ptr<tL2CAP_CFG_INFO> cfg_param,
167     std::unique_ptr<tL2CAP_ERTM_INFO> ertm_info, tBTA_JV_L2CAP_CBACK* p_cback,
168     uint32_t l2cap_socket_id);
169 extern void bta_jv_l2cap_stop_server(uint16_t local_psm,
170                                      uint32_t l2cap_socket_id);
171 extern void bta_jv_l2cap_write(uint32_t handle, uint32_t req_id, BT_HDR* msg,
172                                uint32_t user_id, tBTA_JV_L2C_CB* p_cb);
173 extern void bta_jv_rfcomm_connect(tBTA_SEC sec_mask, uint8_t remote_scn,
174                                   const RawAddress& peer_bd_addr,
175                                   tBTA_JV_RFCOMM_CBACK* p_cback,
176                                   uint32_t rfcomm_slot_id);
177 extern void bta_jv_rfcomm_close(uint32_t handle, uint32_t rfcomm_slot_id);
178 extern void bta_jv_rfcomm_start_server(tBTA_SEC sec_mask, uint8_t local_scn,
179                                        uint8_t max_session,
180                                        tBTA_JV_RFCOMM_CBACK* p_cback,
181                                        uint32_t rfcomm_slot_id);
182 extern void bta_jv_rfcomm_stop_server(uint32_t handle, uint32_t rfcomm_slot_id);
183 extern void bta_jv_rfcomm_write(uint32_t handle, uint32_t req_id,
184                                 tBTA_JV_RFC_CB* p_cb, tBTA_JV_PCB* p_pcb);
185 extern void bta_jv_set_pm_profile(uint32_t handle, tBTA_JV_PM_ID app_id,
186                                   tBTA_JV_CONN_STATE init_st);
187 
188 extern void bta_jv_l2cap_stop_server_le(uint16_t local_chan);
189 
190 #endif /* BTA_JV_INT_H */
191