1 /****************************************************************************** 2 * 3 * Copyright 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_pan_api.h" 28 #include "bta_sys.h" 29 #include "osi/include/fixed_queue.h" 30 31 /***************************************************************************** 32 * Constants 33 ****************************************************************************/ 34 35 /* PAN events */ 36 enum { 37 /* these events are handled by the state machine */ 38 BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN), 39 BTA_PAN_CI_TX_READY_EVT, 40 BTA_PAN_CI_RX_READY_EVT, 41 BTA_PAN_CI_TX_FLOW_EVT, 42 BTA_PAN_CI_RX_WRITE_EVT, 43 BTA_PAN_CI_RX_WRITEBUF_EVT, 44 BTA_PAN_CONN_OPEN_EVT, 45 BTA_PAN_CONN_CLOSE_EVT, 46 BTA_PAN_BNEP_FLOW_ENABLE_EVT, 47 BTA_PAN_RX_FROM_BNEP_READY_EVT, 48 49 /* these events are handled outside of the state machine */ 50 BTA_PAN_API_ENABLE_EVT, 51 BTA_PAN_API_DISABLE_EVT, 52 BTA_PAN_API_SET_ROLE_EVT, 53 BTA_PAN_API_OPEN_EVT 54 }; 55 56 /* state machine states */ 57 enum { BTA_PAN_IDLE_ST, BTA_PAN_OPEN_ST, BTA_PAN_CLOSING_ST }; 58 59 /***************************************************************************** 60 * Data types 61 ****************************************************************************/ 62 63 /* data type for BTA_PAN_API_ENABLE_EVT */ 64 typedef struct { 65 BT_HDR hdr; /* Event header */ 66 tBTA_PAN_CBACK* p_cback; /* PAN callback function */ 67 } tBTA_PAN_API_ENABLE; 68 69 /* data type for BTA_PAN_API_REG_ROLE_EVT */ 70 typedef struct { 71 BT_HDR hdr; /* Event header */ 72 char user_name[BTA_SERVICE_NAME_LEN + 1]; /* Service name */ 73 char gn_name[BTA_SERVICE_NAME_LEN + 1]; /* Service name */ 74 char nap_name[BTA_SERVICE_NAME_LEN + 1]; /* Service name */ 75 tBTA_PAN_ROLE role; 76 uint8_t user_app_id; 77 uint8_t gn_app_id; 78 uint8_t nap_app_id; 79 tBTA_SEC user_sec_mask; /* Security mask */ 80 tBTA_SEC gn_sec_mask; /* Security mask */ 81 tBTA_SEC nap_sec_mask; /* Security mask */ 82 83 } tBTA_PAN_API_SET_ROLE; 84 85 /* data type for BTA_PAN_API_OPEN_EVT */ 86 typedef struct { 87 BT_HDR hdr; /* Event header */ 88 tBTA_PAN_ROLE local_role; /* local role */ 89 tBTA_PAN_ROLE peer_role; /* peer role */ 90 RawAddress bd_addr; /* peer bdaddr */ 91 } tBTA_PAN_API_OPEN; 92 93 /* data type for BTA_PAN_CI_TX_FLOW_EVT */ 94 typedef struct { 95 BT_HDR hdr; /* Event header */ 96 bool enable; /* Flow control setting */ 97 } tBTA_PAN_CI_TX_FLOW; 98 99 /* data type for BTA_PAN_CONN_OPEN_EVT */ 100 typedef struct { 101 BT_HDR hdr; /* Event header */ 102 tPAN_RESULT result; 103 104 } tBTA_PAN_CONN; 105 106 /* union of all data types */ 107 typedef union { 108 BT_HDR hdr; 109 tBTA_PAN_API_ENABLE api_enable; 110 tBTA_PAN_API_SET_ROLE api_set_role; 111 tBTA_PAN_API_OPEN api_open; 112 tBTA_PAN_CI_TX_FLOW ci_tx_flow; 113 tBTA_PAN_CONN conn; 114 } tBTA_PAN_DATA; 115 116 /* state machine control block */ 117 typedef struct { 118 RawAddress bd_addr; /* peer bdaddr */ 119 fixed_queue_t* 120 data_queue; /* Queue of buffers waiting to be passed to application */ 121 uint16_t handle; /* BTA PAN/BNEP handle */ 122 bool in_use; /* scb in use */ 123 tBTA_SEC sec_mask; /* Security mask */ 124 bool pan_flow_enable; /* BNEP flow control state */ 125 bool app_flow_enable; /* Application flow control state */ 126 uint8_t state; /* State machine state */ 127 tBTA_PAN_ROLE local_role; /* local role */ 128 tBTA_PAN_ROLE peer_role; /* peer role */ 129 uint8_t app_id; /* application id for the connection */ 130 131 } tBTA_PAN_SCB; 132 133 /* main control block */ 134 typedef struct { 135 tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */ 136 tBTA_PAN_CBACK* p_cback; /* PAN callback function */ 137 uint8_t app_id[3]; /* application id for PAN roles */ 138 uint8_t flow_mask; /* Data flow mask */ 139 uint8_t q_level; /* queue level set by application for TX data */ 140 141 } tBTA_PAN_CB; 142 143 /* pan data param */ 144 typedef struct { 145 BT_HDR hdr; 146 RawAddress src; 147 RawAddress dst; 148 uint16_t protocol; 149 bool ext; 150 bool forward; 151 152 } tBTA_PAN_DATA_PARAMS; 153 154 /***************************************************************************** 155 * Global data 156 ****************************************************************************/ 157 158 /* PAN control block */ 159 extern tBTA_PAN_CB bta_pan_cb; 160 161 /***************************************************************************** 162 * Function prototypes 163 ****************************************************************************/ 164 extern tBTA_PAN_SCB* bta_pan_scb_alloc(void); 165 extern void bta_pan_scb_dealloc(tBTA_PAN_SCB* p_scb); 166 extern uint8_t bta_pan_scb_to_idx(tBTA_PAN_SCB* p_scb); 167 extern tBTA_PAN_SCB* bta_pan_scb_by_handle(uint16_t handle); 168 extern bool bta_pan_hdl_event(BT_HDR* p_msg); 169 170 /* action functions */ 171 extern void bta_pan_enable(tBTA_PAN_DATA* p_data); 172 extern void bta_pan_disable(void); 173 extern void bta_pan_set_role(tBTA_PAN_DATA* p_data); 174 extern void bta_pan_open(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 175 extern void bta_pan_api_close(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 176 extern void bta_pan_set_shutdown(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 177 extern void bta_pan_rx_path(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 178 extern void bta_pan_tx_path(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 179 extern void bta_pan_tx_flow(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 180 extern void bta_pan_conn_open(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 181 extern void bta_pan_conn_close(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 182 extern void bta_pan_writebuf(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 183 extern void bta_pan_write_buf(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 184 extern void bta_pan_free_buf(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data); 185 186 #endif /* BTA_PAN_INT_H */ 187
