The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2004-2012 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 data gateway. |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | #ifndef BTA_PAN_INT_H |
| 25 | #define BTA_PAN_INT_H |
| 26 | |
| 27 | #include "bta_sys.h" |
| 28 | #include "bta_pan_api.h" |
| 29 | |
| 30 | /***************************************************************************** |
| 31 | ** Constants |
| 32 | *****************************************************************************/ |
| 33 | |
| 34 | |
| 35 | |
| 36 | |
| 37 | /* PAN events */ |
| 38 | enum |
| 39 | { |
| 40 | /* these events are handled by the state machine */ |
| 41 | BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN), |
| 42 | BTA_PAN_CI_TX_READY_EVT, |
| 43 | BTA_PAN_CI_RX_READY_EVT, |
| 44 | BTA_PAN_CI_TX_FLOW_EVT, |
| 45 | BTA_PAN_CI_RX_WRITE_EVT, |
| 46 | BTA_PAN_CI_RX_WRITEBUF_EVT, |
| 47 | BTA_PAN_CONN_OPEN_EVT, |
| 48 | BTA_PAN_CONN_CLOSE_EVT, |
| 49 | BTA_PAN_BNEP_FLOW_ENABLE_EVT, |
| 50 | BTA_PAN_RX_FROM_BNEP_READY_EVT, |
| 51 | |
| 52 | /* these events are handled outside of the state machine */ |
| 53 | BTA_PAN_API_ENABLE_EVT, |
| 54 | BTA_PAN_API_DISABLE_EVT, |
| 55 | BTA_PAN_API_SET_ROLE_EVT, |
| 56 | BTA_PAN_API_OPEN_EVT |
| 57 | }; |
| 58 | |
Nitin Shivpure | 36f43cc | 2013-08-29 21:28:59 +0530 | [diff] [blame^] | 59 | /* state machine states */ |
| 60 | enum |
| 61 | { |
| 62 | BTA_PAN_IDLE_ST, |
| 63 | BTA_PAN_OPEN_ST, |
| 64 | BTA_PAN_CLOSING_ST |
| 65 | }; |
| 66 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 67 | |
| 68 | |
| 69 | |
| 70 | /***************************************************************************** |
| 71 | ** Data types |
| 72 | *****************************************************************************/ |
| 73 | |
| 74 | /* data type for BTA_PAN_API_ENABLE_EVT */ |
| 75 | typedef struct |
| 76 | { |
| 77 | BT_HDR hdr; /* Event header */ |
| 78 | tBTA_PAN_CBACK *p_cback; /* PAN callback function */ |
| 79 | } tBTA_PAN_API_ENABLE; |
| 80 | |
| 81 | /* data type for BTA_PAN_API_REG_ROLE_EVT */ |
| 82 | typedef struct |
| 83 | { |
| 84 | BT_HDR hdr; /* Event header */ |
| 85 | char user_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ |
| 86 | char gn_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ |
| 87 | char nap_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ |
| 88 | tBTA_PAN_ROLE role; |
| 89 | UINT8 user_app_id; |
| 90 | UINT8 gn_app_id; |
| 91 | UINT8 nap_app_id; |
| 92 | tBTA_SEC user_sec_mask; /* Security mask */ |
| 93 | tBTA_SEC gn_sec_mask; /* Security mask */ |
| 94 | tBTA_SEC nap_sec_mask; /* Security mask */ |
| 95 | |
| 96 | |
| 97 | } tBTA_PAN_API_SET_ROLE; |
| 98 | |
| 99 | /* data type for BTA_PAN_API_OPEN_EVT */ |
| 100 | typedef struct |
| 101 | { |
| 102 | BT_HDR hdr; /* Event header */ |
| 103 | tBTA_PAN_ROLE local_role; /* local role */ |
| 104 | tBTA_PAN_ROLE peer_role; /* peer role */ |
| 105 | BD_ADDR bd_addr; /* peer bdaddr */ |
| 106 | } tBTA_PAN_API_OPEN; |
| 107 | |
| 108 | /* data type for BTA_PAN_CI_TX_FLOW_EVT */ |
| 109 | typedef struct |
| 110 | { |
| 111 | BT_HDR hdr; /* Event header */ |
| 112 | BOOLEAN enable; /* Flow control setting */ |
| 113 | } tBTA_PAN_CI_TX_FLOW; |
| 114 | |
| 115 | /* data type for BTA_PAN_CONN_OPEN_EVT */ |
| 116 | typedef struct |
| 117 | { |
| 118 | BT_HDR hdr; /* Event header */ |
| 119 | tPAN_RESULT result; |
| 120 | |
| 121 | } tBTA_PAN_CONN; |
| 122 | |
| 123 | |
| 124 | |
| 125 | |
| 126 | /* union of all data types */ |
| 127 | typedef union |
| 128 | { |
| 129 | BT_HDR hdr; |
| 130 | tBTA_PAN_API_ENABLE api_enable; |
| 131 | tBTA_PAN_API_SET_ROLE api_set_role; |
| 132 | tBTA_PAN_API_OPEN api_open; |
| 133 | tBTA_PAN_CI_TX_FLOW ci_tx_flow; |
| 134 | tBTA_PAN_CONN conn; |
| 135 | } tBTA_PAN_DATA; |
| 136 | |
| 137 | /* state machine control block */ |
| 138 | typedef struct |
| 139 | { |
| 140 | BD_ADDR bd_addr; /* peer bdaddr */ |
| 141 | BUFFER_Q data_queue; /* Queue of buffers waiting to be passed to application */ |
| 142 | UINT16 handle; /* BTA PAN/BNEP handle */ |
| 143 | BOOLEAN in_use; /* scb in use */ |
| 144 | tBTA_SEC sec_mask; /* Security mask */ |
| 145 | BOOLEAN pan_flow_enable;/* BNEP flow control state */ |
| 146 | BOOLEAN app_flow_enable;/* Application flow control state */ |
| 147 | UINT8 state; /* State machine state */ |
| 148 | tBTA_PAN_ROLE local_role; /* local role */ |
| 149 | tBTA_PAN_ROLE peer_role; /* peer role */ |
| 150 | UINT8 app_id; /* application id for the connection */ |
| 151 | |
| 152 | } tBTA_PAN_SCB; |
| 153 | |
| 154 | |
| 155 | |
| 156 | /* main control block */ |
| 157 | typedef struct |
| 158 | { |
| 159 | tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */ |
| 160 | tBTA_PAN_CBACK *p_cback; /* PAN callback function */ |
| 161 | UINT8 app_id[3]; /* application id for PAN roles */ |
| 162 | UINT8 flow_mask; /* Data flow mask */ |
| 163 | UINT8 q_level; /* queue level set by application for TX data */ |
| 164 | |
| 165 | } tBTA_PAN_CB; |
| 166 | |
| 167 | |
| 168 | /* pan data param */ |
| 169 | typedef struct |
| 170 | { |
| 171 | BT_HDR hdr; |
| 172 | BD_ADDR src; |
| 173 | BD_ADDR dst; |
| 174 | UINT16 protocol; |
| 175 | BOOLEAN ext; |
| 176 | BOOLEAN forward; |
| 177 | |
| 178 | } tBTA_PAN_DATA_PARAMS; |
| 179 | |
| 180 | |
| 181 | /***************************************************************************** |
| 182 | ** Global data |
| 183 | *****************************************************************************/ |
| 184 | |
| 185 | /* PAN control block */ |
| 186 | |
| 187 | #if BTA_DYNAMIC_MEMORY == FALSE |
| 188 | extern tBTA_PAN_CB bta_pan_cb; |
| 189 | #else |
| 190 | extern tBTA_PAN_CB *bta_pan_cb_ptr; |
| 191 | #define bta_pan_cb (*bta_pan_cb_ptr) |
| 192 | #endif |
| 193 | |
| 194 | /***************************************************************************** |
| 195 | ** Function prototypes |
| 196 | *****************************************************************************/ |
| 197 | extern tBTA_PAN_SCB *bta_pan_scb_alloc(void); |
| 198 | extern void bta_pan_scb_dealloc(tBTA_PAN_SCB *p_scb); |
| 199 | extern UINT8 bta_pan_scb_to_idx(tBTA_PAN_SCB *p_scb); |
| 200 | extern tBTA_PAN_SCB *bta_pan_scb_by_handle(UINT16 handle); |
| 201 | extern BOOLEAN bta_pan_hdl_event(BT_HDR *p_msg); |
| 202 | |
| 203 | /* action functions */ |
| 204 | extern void bta_pan_enable(tBTA_PAN_DATA *p_data); |
| 205 | extern void bta_pan_disable(void); |
| 206 | extern void bta_pan_set_role(tBTA_PAN_DATA *p_data); |
| 207 | extern void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 208 | extern void bta_pan_api_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 209 | extern void bta_pan_set_shutdown(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 210 | extern void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 211 | extern void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 212 | extern void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 213 | extern void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 214 | extern void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 215 | extern void bta_pan_writebuf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 216 | extern void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 217 | extern void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); |
| 218 | |
| 219 | |
| 220 | #endif /* BTA_PAN_INT_H */ |