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