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 "osi/include/fixed_queue.h" 28 #include "bta_sys.h" 29 #include "bta_pan_api.h" 30 31 /***************************************************************************** 32 ** Constants 33 *****************************************************************************/ 34 35 36 37 38 /* PAN events */ 39 enum 40 { 41 /* these events are handled by the state machine */ 42 BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN), 43 BTA_PAN_CI_TX_READY_EVT, 44 BTA_PAN_CI_RX_READY_EVT, 45 BTA_PAN_CI_TX_FLOW_EVT, 46 BTA_PAN_CI_RX_WRITE_EVT, 47 BTA_PAN_CI_RX_WRITEBUF_EVT, 48 BTA_PAN_CONN_OPEN_EVT, 49 BTA_PAN_CONN_CLOSE_EVT, 50 BTA_PAN_BNEP_FLOW_ENABLE_EVT, 51 BTA_PAN_RX_FROM_BNEP_READY_EVT, 52 53 /* these events are handled outside of the state machine */ 54 BTA_PAN_API_ENABLE_EVT, 55 BTA_PAN_API_DISABLE_EVT, 56 BTA_PAN_API_SET_ROLE_EVT, 57 BTA_PAN_API_OPEN_EVT 58 }; 59 60 /* state machine states */ 61 enum 62 { 63 BTA_PAN_IDLE_ST, 64 BTA_PAN_OPEN_ST, 65 BTA_PAN_CLOSING_ST 66 }; 67 68 69 70 71 /***************************************************************************** 72 ** Data types 73 *****************************************************************************/ 74 75 /* data type for BTA_PAN_API_ENABLE_EVT */ 76 typedef struct 77 { 78 BT_HDR hdr; /* Event header */ 79 tBTA_PAN_CBACK *p_cback; /* PAN callback function */ 80 } tBTA_PAN_API_ENABLE; 81 82 /* data type for BTA_PAN_API_REG_ROLE_EVT */ 83 typedef struct 84 { 85 BT_HDR hdr; /* Event header */ 86 char user_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ 87 char gn_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ 88 char nap_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ 89 tBTA_PAN_ROLE role; 90 UINT8 user_app_id; 91 UINT8 gn_app_id; 92 UINT8 nap_app_id; 93 tBTA_SEC user_sec_mask; /* Security mask */ 94 tBTA_SEC gn_sec_mask; /* Security mask */ 95 tBTA_SEC nap_sec_mask; /* Security mask */ 96 97 98 } tBTA_PAN_API_SET_ROLE; 99 100 /* data type for BTA_PAN_API_OPEN_EVT */ 101 typedef struct 102 { 103 BT_HDR hdr; /* Event header */ 104 tBTA_PAN_ROLE local_role; /* local role */ 105 tBTA_PAN_ROLE peer_role; /* peer role */ 106 BD_ADDR bd_addr; /* peer bdaddr */ 107 } tBTA_PAN_API_OPEN; 108 109 /* data type for BTA_PAN_CI_TX_FLOW_EVT */ 110 typedef struct 111 { 112 BT_HDR hdr; /* Event header */ 113 BOOLEAN enable; /* Flow control setting */ 114 } tBTA_PAN_CI_TX_FLOW; 115 116 /* data type for BTA_PAN_CONN_OPEN_EVT */ 117 typedef struct 118 { 119 BT_HDR hdr; /* Event header */ 120 tPAN_RESULT result; 121 122 } tBTA_PAN_CONN; 123 124 125 126 127 /* union of all data types */ 128 typedef union 129 { 130 BT_HDR hdr; 131 tBTA_PAN_API_ENABLE api_enable; 132 tBTA_PAN_API_SET_ROLE api_set_role; 133 tBTA_PAN_API_OPEN api_open; 134 tBTA_PAN_CI_TX_FLOW ci_tx_flow; 135 tBTA_PAN_CONN conn; 136 } tBTA_PAN_DATA; 137 138 /* state machine control block */ 139 typedef struct 140 { 141 BD_ADDR bd_addr; /* peer bdaddr */ 142 fixed_queue_t *data_queue; /* Queue of buffers waiting to be passed to application */ 143 UINT16 handle; /* BTA PAN/BNEP handle */ 144 BOOLEAN in_use; /* scb in use */ 145 tBTA_SEC sec_mask; /* Security mask */ 146 BOOLEAN pan_flow_enable;/* BNEP flow control state */ 147 BOOLEAN app_flow_enable;/* Application flow control state */ 148 UINT8 state; /* State machine state */ 149 tBTA_PAN_ROLE local_role; /* local role */ 150 tBTA_PAN_ROLE peer_role; /* peer role */ 151 UINT8 app_id; /* application id for the connection */ 152 153 } tBTA_PAN_SCB; 154 155 156 157 /* main control block */ 158 typedef struct 159 { 160 tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */ 161 tBTA_PAN_CBACK *p_cback; /* PAN callback function */ 162 UINT8 app_id[3]; /* application id for PAN roles */ 163 UINT8 flow_mask; /* Data flow mask */ 164 UINT8 q_level; /* queue level set by application for TX data */ 165 166 } tBTA_PAN_CB; 167 168 169 /* pan data param */ 170 typedef struct 171 { 172 BT_HDR hdr; 173 BD_ADDR src; 174 BD_ADDR dst; 175 UINT16 protocol; 176 BOOLEAN ext; 177 BOOLEAN forward; 178 179 } tBTA_PAN_DATA_PARAMS; 180 181 182 /***************************************************************************** 183 ** Global data 184 *****************************************************************************/ 185 186 /* PAN control block */ 187 188 #if BTA_DYNAMIC_MEMORY == FALSE 189 extern tBTA_PAN_CB bta_pan_cb; 190 #else 191 extern tBTA_PAN_CB *bta_pan_cb_ptr; 192 #define bta_pan_cb (*bta_pan_cb_ptr) 193 #endif 194 195 /***************************************************************************** 196 ** Function prototypes 197 *****************************************************************************/ 198 extern tBTA_PAN_SCB *bta_pan_scb_alloc(void); 199 extern void bta_pan_scb_dealloc(tBTA_PAN_SCB *p_scb); 200 extern UINT8 bta_pan_scb_to_idx(tBTA_PAN_SCB *p_scb); 201 extern tBTA_PAN_SCB *bta_pan_scb_by_handle(UINT16 handle); 202 extern BOOLEAN bta_pan_hdl_event(BT_HDR *p_msg); 203 204 /* action functions */ 205 extern void bta_pan_enable(tBTA_PAN_DATA *p_data); 206 extern void bta_pan_disable(void); 207 extern void bta_pan_set_role(tBTA_PAN_DATA *p_data); 208 extern void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 209 extern void bta_pan_api_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 210 extern void bta_pan_set_shutdown(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 211 extern void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 212 extern void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 213 extern void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 214 extern void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 215 extern void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 216 extern void bta_pan_writebuf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 217 extern void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 218 extern void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); 219 220 221 #endif /* BTA_PAN_INT_H */ 222