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 59 /* state machine states */ 60 enum 61 { 62 BTA_PAN_IDLE_ST, 63 BTA_PAN_OPEN_ST, 64 BTA_PAN_CLOSING_ST 65 }; 66 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 */ 221