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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/bt_hdr.h"
32 #include "stack/include/rfcdefs.h"
33 #include "types/bluetooth/uuid.h"
34 #include "types/raw_address.h"
35 
36 /*****************************************************************************
37  *  Constants
38  ****************************************************************************/
39 
40 #ifndef BTA_JV_RFC_EV_MASK
41 #define BTA_JV_RFC_EV_MASK \
42   (PORT_EV_RXCHAR | PORT_EV_TXEMPTY | PORT_EV_FC | PORT_EV_FCS)
43 #endif
44 
45 enum {
46   BTA_JV_PM_FREE_ST = 0, /* empty PM slot */
47   BTA_JV_PM_IDLE_ST,
48   BTA_JV_PM_BUSY_ST
49 };
50 
51 /* BTA JV PM control block */
52 typedef struct {
53   uint32_t handle;      /* The connection handle */
54   uint8_t state;        /* state: see above enum */
55   tBTA_JV_PM_ID app_id; /* JV app specific id indicating power table to use */
56   RawAddress peer_bd_addr; /* Peer BD address */
57 } tBTA_JV_PM_CB;
58 
59 enum {
60   BTA_JV_ST_NONE = 0,
61   BTA_JV_ST_CL_OPENING,
62   BTA_JV_ST_CL_OPEN,
63   BTA_JV_ST_CL_CLOSING,
64   BTA_JV_ST_SR_LISTEN,
65   BTA_JV_ST_SR_OPEN,
66   BTA_JV_ST_SR_CLOSING
67 };
68 typedef uint8_t tBTA_JV_STATE;
69 #define BTA_JV_ST_CL_MAX BTA_JV_ST_CL_CLOSING
70 /* JV L2CAP control block */
71 typedef struct {
72   tBTA_JV_L2CAP_CBACK* p_cback; /* the callback function */
73   uint16_t psm;                 /* the psm used for this server connection */
74   tBTA_JV_STATE state;          /* the state of this control block */
75   tBTA_SERVICE_ID sec_id;       /* service id */
76   uint32_t handle; /* the handle reported to java app (same as gap handle) */
77   bool cong;       /* true, if congested */
78   tBTA_JV_PM_CB* p_pm_cb; /* ptr to pm control block, NULL: unused */
79   uint32_t l2cap_socket_id;
80 } tBTA_JV_L2C_CB;
81 
82 #define BTA_JV_RFC_HDL_MASK 0xFF
83 #define BTA_JV_RFCOMM_MASK 0x80
84 #define BTA_JV_ALL_APP_ID 0xFF
85 #define BTA_JV_RFC_HDL_TO_SIDX(r) (((r)&0xFF00) >> 8)
86 #define BTA_JV_RFC_H_S_TO_HDL(h, s) ((h) | ((s) << 8))
87 
88 /* port control block */
89 typedef struct {
90   uint32_t handle;      /* the rfcomm session handle at jv */
91   uint16_t port_handle; /* port handle */
92   tBTA_JV_STATE state;  /* the state of this control block */
93   uint8_t max_sess;     /* max sessions */
94   uint32_t rfcomm_slot_id;
95   bool cong;              /* true, if congested */
96   tBTA_JV_PM_CB* p_pm_cb; /* ptr to pm control block, NULL: unused */
97 } tBTA_JV_PCB;
98 
99 /* JV RFCOMM control block */
100 typedef struct {
101   tBTA_JV_RFCOMM_CBACK* p_cback; /* the callback function */
102   uint16_t rfc_hdl[BTA_JV_MAX_RFC_SR_SESSION];
103   tBTA_SERVICE_ID sec_id; /* service id */
104   uint8_t handle;         /* index: the handle reported to java app */
105   uint8_t scn;            /* the scn of the server */
106   uint8_t max_sess;       /* max sessions */
107   int curr_sess;          /* current sessions count*/
108 } tBTA_JV_RFC_CB;
109 
110 /* JV control block */
111 typedef struct {
112   /* the SDP handle reported to JV user is the (index + 1) to sdp_handle[].
113    * if sdp_handle[i]==0, it's not used.
114    * otherwise sdp_handle[i] is the stack SDP handle. */
115   uint32_t sdp_handle[BTA_JV_MAX_SDP_REC]; /* SDP records created */
116   uint8_t* p_sel_raw_data; /* the raw data of last service select */
117   tBTA_JV_DM_CBACK* p_dm_cback;
118   tBTA_JV_L2C_CB l2c_cb[BTA_JV_MAX_L2C_CONN]; /* index is GAP handle (index) */
119   tBTA_JV_RFC_CB rfc_cb[BTA_JV_MAX_RFC_CONN];
120   tBTA_JV_PCB port_cb[MAX_RFC_PORTS];          /* index of this array is
121                                                   the port_handle, */
122   uint8_t sec_id[BTA_JV_NUM_SERVICE_ID];       /* service ID */
123   bool scn[BTA_JV_MAX_SCN];                    /* SCN allocated by java */
124   uint16_t free_psm_list[BTA_JV_MAX_L2C_CONN]; /* PSMs freed by java
125                                                 (can be reused) */
126   uint8_t sdp_active;                          /* see BTA_JV_SDP_ACT_* */
127   bluetooth::Uuid uuid;                   /* current uuid of sdp discovery*/
128   tBTA_JV_PM_CB pm_cb[BTA_JV_PM_MAX_NUM]; /* PM on a per JV handle bases */
129 
130   uint16_t dyn_psm; /* Next dynamic PSM value to try to assign */
131 } tBTA_JV_CB;
132 
133 enum {
134   BTA_JV_SDP_ACT_NONE = 0,
135   BTA_JV_SDP_ACT_YES,   /* waiting for SDP result */
136   BTA_JV_SDP_ACT_CANCEL /* waiting for cancel complete */
137 };
138 
139 /* JV control block */
140 extern tBTA_JV_CB bta_jv_cb;
141 
142 extern std::unordered_set<uint16_t> used_l2cap_classic_dynamic_psm;
143 
144 void bta_jv_enable(tBTA_JV_DM_CBACK* p_cback);
145 void bta_jv_disable();
146 void bta_jv_get_channel_id(int32_t type, int32_t channel,
147                            uint32_t l2cap_socket_id, uint32_t rfcomm_slot_id);
148 void bta_jv_free_scn(int32_t type, uint16_t scn);
149 void bta_jv_start_discovery(const RawAddress& bd_addr, uint16_t num_uuid,
150                             bluetooth::Uuid* uuid_list,
151                             uint32_t rfcomm_slot_id);
152 void bta_jv_create_record(uint32_t rfcomm_slot_id);
153 void bta_jv_delete_record(uint32_t handle);
154 void bta_jv_l2cap_connect(int32_t type, tBTA_SEC sec_mask, tBTA_JV_ROLE role,
155                           uint16_t remote_psm, uint16_t rx_mtu,
156                           const RawAddress& peer_bd_addr,
157                           std::unique_ptr<tL2CAP_CFG_INFO> cfg,
158                           std::unique_ptr<tL2CAP_ERTM_INFO> ertm_info,
159                           tBTA_JV_L2CAP_CBACK* p_cback,
160                           uint32_t l2cap_socket_id);
161 void bta_jv_l2cap_close(uint32_t handle, tBTA_JV_L2C_CB* p_cb);
162 void bta_jv_l2cap_start_server(int32_t type, tBTA_SEC sec_mask,
163                                tBTA_JV_ROLE role, uint16_t local_psm,
164                                uint16_t rx_mtu,
165                                std::unique_ptr<tL2CAP_CFG_INFO> cfg_param,
166                                std::unique_ptr<tL2CAP_ERTM_INFO> ertm_info,
167                                tBTA_JV_L2CAP_CBACK* p_cback,
168                                uint32_t l2cap_socket_id);
169 void bta_jv_l2cap_stop_server(uint16_t local_psm, uint32_t l2cap_socket_id);
170 void bta_jv_l2cap_write(uint32_t handle, uint32_t req_id, BT_HDR* msg,
171                         uint32_t user_id, tBTA_JV_L2C_CB* p_cb);
172 void bta_jv_rfcomm_connect(tBTA_SEC sec_mask, uint8_t remote_scn,
173                            const RawAddress& peer_bd_addr,
174                            tBTA_JV_RFCOMM_CBACK* p_cback,
175                            uint32_t rfcomm_slot_id);
176 void bta_jv_rfcomm_close(uint32_t handle, uint32_t rfcomm_slot_id);
177 void bta_jv_rfcomm_start_server(tBTA_SEC sec_mask, uint8_t local_scn,
178                                 uint8_t max_session,
179                                 tBTA_JV_RFCOMM_CBACK* p_cback,
180                                 uint32_t rfcomm_slot_id);
181 void bta_jv_rfcomm_stop_server(uint32_t handle, uint32_t rfcomm_slot_id);
182 void bta_jv_rfcomm_write(uint32_t handle, uint32_t req_id, tBTA_JV_RFC_CB* p_cb,
183                          tBTA_JV_PCB* p_pcb);
184 void bta_jv_set_pm_profile(uint32_t handle, tBTA_JV_PM_ID app_id,
185                            tBTA_JV_CONN_STATE init_st);
186 
187 void bta_jv_l2cap_stop_server_le(uint16_t local_chan);
188 
189 #endif /* BTA_JV_INT_H */
190