1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 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 * Filename: bta_pan_co.c 22 * 23 * Description: PAN stack callout api 24 * 25 * 26 ******************************************************************************/ 27 #include "bta_api.h" 28 #include "bta_pan_api.h" 29 #include "bta_pan_ci.h" 30 #include "bta_pan_co.h" 31 #include "pan_api.h" 32 #include "gki.h" 33 #include <hardware/bluetooth.h> 34 #include <hardware/bt_pan.h> 35 #include "btif_pan_internal.h" 36 #include "btif_sock_thread.h" 37 #include "bd.h" 38 #include <string.h> 39 #include "btif_util.h" 40 41 /******************************************************************************* 42 ** 43 ** Function bta_pan_co_init 44 ** 45 ** Description 46 ** 47 ** 48 ** Returns Data flow mask. 49 ** 50 *******************************************************************************/ 51 UINT8 bta_pan_co_init(UINT8 *q_level) 52 { 53 BTIF_TRACE_API("bta_pan_co_init"); 54 55 /* set the q_level to 30 buffers */ 56 *q_level = 30; 57 58 //return (BTA_PAN_RX_PULL | BTA_PAN_TX_PULL); 59 return (BTA_PAN_RX_PUSH_BUF | BTA_PAN_RX_PUSH | BTA_PAN_TX_PULL); 60 } 61 62 /****************************************************************************** 63 ** 64 ** Function bta_pan_co_open 65 ** 66 ** Description 67 ** 68 ** 69 ** 70 ** 71 ** 72 ** Returns void 73 ** 74 *******************************************************************************/ 75 void bta_pan_co_open(UINT16 handle, UINT8 app_id, tBTA_PAN_ROLE local_role, 76 tBTA_PAN_ROLE peer_role, BD_ADDR peer_addr) 77 { 78 BTIF_TRACE_API("bta_pan_co_open:app_id:%d, local_role:%d, peer_role:%d, " 79 "handle:%d", app_id, local_role, peer_role, handle); 80 btpan_conn_t* conn = btpan_find_conn_addr(peer_addr); 81 if(conn == NULL) 82 conn = btpan_new_conn(handle, peer_addr, local_role, peer_role); 83 if(conn) 84 { 85 BTIF_TRACE_DEBUG("bta_pan_co_open:tap_fd:%d, open_count:%d, " 86 "conn->handle:%d should = handle:%d, local_role:%d, remote_role:%d", 87 btpan_cb.tap_fd, btpan_cb.open_count, conn->handle, handle, 88 conn->local_role, conn->remote_role); 89 //refresh the role & bt address 90 91 btpan_cb.open_count++; 92 conn->handle = handle; 93 //bdcpy(conn->peer, peer_addr); 94 if(btpan_cb.tap_fd < 0) 95 { 96 btpan_cb.tap_fd = btpan_tap_open(); 97 if(btpan_cb.tap_fd >= 0) 98 create_tap_read_thread(btpan_cb.tap_fd); 99 } 100 if(btpan_cb.tap_fd >= 0) 101 { 102 btpan_cb.flow = 1; 103 conn->state = PAN_STATE_OPEN; 104 bta_pan_ci_rx_ready(handle); 105 } 106 } 107 } 108 109 /******************************************************************************* 110 ** 111 ** Function bta_pan_co_close 112 ** 113 ** Description This function is called by PAN when a connection to a 114 ** peer is closed. 115 ** 116 ** 117 ** Returns void 118 ** 119 *******************************************************************************/ 120 void bta_pan_co_close(UINT16 handle, UINT8 app_id) 121 { 122 BTIF_TRACE_API("bta_pan_co_close:app_id:%d, handle:%d", app_id, handle); 123 btpan_conn_t* conn = btpan_find_conn_handle(handle); 124 if(conn && conn->state == PAN_STATE_OPEN) 125 { 126 BTIF_TRACE_DEBUG("bta_pan_co_close"); 127 128 // let bta close event reset this handle as it needs 129 // the handle to find the connection upon CLOSE 130 //conn->handle = -1; 131 conn->state = PAN_STATE_CLOSE; 132 btpan_cb.open_count--; 133 134 if(btpan_cb.open_count == 0 && btpan_cb.tap_fd != -1) 135 { 136 btpan_tap_close(btpan_cb.tap_fd); 137 btpan_cb.tap_fd = -1; 138 } 139 } 140 } 141 142 /******************************************************************************* 143 ** 144 ** Function bta_pan_co_tx_path 145 ** 146 ** Description This function is called by PAN to transfer data on the 147 ** TX path; that is, data being sent from BTA to the phone. 148 ** This function is used when the TX data path is configured 149 ** to use the pull interface. The implementation of this 150 ** function will typically call Bluetooth stack functions 151 ** PORT_Read() or PORT_ReadData() to read data from RFCOMM 152 ** and then a platform-specific function to send data that 153 ** data to the phone. 154 ** 155 ** 156 ** Returns void 157 ** 158 *******************************************************************************/ 159 void bta_pan_co_tx_path(UINT16 handle, UINT8 app_id) 160 { 161 BT_HDR *p_buf; 162 UINT8 i; 163 BD_ADDR src; 164 BD_ADDR dst; 165 UINT16 protocol; 166 BOOLEAN ext; 167 BOOLEAN forward; 168 169 BTIF_TRACE_API("bta_pan_co_tx_path, handle:%d, app_id:%d", handle, app_id); 170 171 btpan_conn_t* conn = btpan_find_conn_handle(handle); 172 if(!conn || conn->state != PAN_STATE_OPEN) 173 { 174 BTIF_TRACE_ERROR("bta_pan_co_tx_path: cannot find pan connction or conn" 175 "is not opened, conn:%p, conn->state:%d", conn, conn->state); 176 return; 177 } 178 do 179 { 180 /* read next data buffer from pan */ 181 if ((p_buf = bta_pan_ci_readbuf(handle, src, dst, &protocol, 182 &ext, &forward))) 183 { 184 BTIF_TRACE_DEBUG("bta_pan_co_tx_path, calling btapp_tap_send, " 185 "p_buf->len:%d, offset:%d", p_buf->len, p_buf->offset); 186 if(is_empty_eth_addr(conn->eth_addr) && is_valid_bt_eth_addr(src)) 187 { 188 BTIF_TRACE_DEBUG("pan bt peer addr: %02x:%02x:%02x:%02x:%02x:%02x", 189 conn->peer[0], conn->peer[1], conn->peer[2], 190 conn->peer[3],conn->peer[4], conn->peer[5]); 191 BTIF_TRACE_DEBUG(" update its ethernet addr: " 192 "%02x:%02x:%02x:%02x:%02x:%02x", src[0], src[1], src[2], 193 src[3],src[4], src[5]); 194 memcpy(conn->eth_addr, src, sizeof(conn->eth_addr)); 195 196 } 197 btpan_tap_send(btpan_cb.tap_fd, src, dst, protocol, 198 (char*)(p_buf + 1) + p_buf->offset, p_buf->len, ext, forward); 199 GKI_freebuf(p_buf); 200 } 201 202 } while (p_buf != NULL); 203 } 204 205 /******************************************************************************* 206 ** 207 ** Function bta_pan_co_rx_path 208 ** 209 ** Description 210 ** 211 ** 212 ** 213 ** 214 ** Returns void 215 ** 216 *******************************************************************************/ 217 void bta_pan_co_rx_path(UINT16 handle, UINT8 app_id) 218 { 219 UNUSED(handle); 220 UNUSED(app_id); 221 222 BTIF_TRACE_API("bta_pan_co_rx_path not used"); 223 } 224 225 /******************************************************************************* 226 ** 227 ** Function bta_pan_co_tx_write 228 ** 229 ** Description This function is called by PAN to send data to the phone 230 ** when the TX path is configured to use a push interface. 231 ** The implementation of this function must copy the data to 232 ** the phone's memory. 233 ** 234 ** 235 ** Returns void 236 ** 237 *******************************************************************************/ 238 void bta_pan_co_tx_write(UINT16 handle, UINT8 app_id, BD_ADDR src, BD_ADDR dst, 239 UINT16 protocol, UINT8 *p_data, 240 UINT16 len, BOOLEAN ext, BOOLEAN forward) 241 { 242 UNUSED(handle); 243 UNUSED(app_id); 244 UNUSED(src); 245 UNUSED(dst); 246 UNUSED(protocol); 247 UNUSED(p_data); 248 UNUSED(len); 249 UNUSED(ext); 250 UNUSED(forward); 251 252 BTIF_TRACE_API("bta_pan_co_tx_write not used"); 253 } 254 255 /******************************************************************************* 256 ** 257 ** Function bta_pan_co_tx_writebuf 258 ** 259 ** Description This function is called by PAN to send data to the phone 260 ** when the TX path is configured to use a push interface with 261 ** zero copy. The phone must free the buffer using function 262 ** GKI_freebuf() when it is through processing the buffer. 263 ** 264 ** 265 ** Returns TRUE if flow enabled 266 ** 267 *******************************************************************************/ 268 void bta_pan_co_tx_writebuf(UINT16 handle, UINT8 app_id, BD_ADDR src, 269 BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf, 270 BOOLEAN ext, BOOLEAN forward) 271 { 272 UNUSED(handle); 273 UNUSED(app_id); 274 UNUSED(src); 275 UNUSED(dst); 276 UNUSED(protocol); 277 UNUSED(p_buf); 278 UNUSED(ext); 279 UNUSED(forward); 280 281 BTIF_TRACE_API("bta_pan_co_tx_writebuf not used"); 282 } 283 284 /******************************************************************************* 285 ** 286 ** Function bta_pan_co_rx_flow 287 ** 288 ** Description This function is called by PAN to enable or disable 289 ** data flow on the RX path when it is configured to use 290 ** a push interface. If data flow is disabled the phone must 291 ** not call bta_pan_ci_rx_write() or bta_pan_ci_rx_writebuf() 292 ** until data flow is enabled again. 293 ** 294 ** 295 ** Returns void 296 ** 297 *******************************************************************************/ 298 void bta_pan_co_rx_flow(UINT16 handle, UINT8 app_id, BOOLEAN enable) 299 { 300 UNUSED(handle); 301 UNUSED(app_id); 302 UNUSED(enable); 303 304 BTIF_TRACE_API("bta_pan_co_rx_flow, enabled:%d, not used", enable); 305 btpan_conn_t* conn = btpan_find_conn_handle(handle); 306 if(!conn || conn->state != PAN_STATE_OPEN) 307 return; 308 btpan_set_flow_control(enable); 309 } 310 311 /******************************************************************************* 312 ** 313 ** Function bta_pan_co_filt_ind 314 ** 315 ** Description protocol filter indication from peer device 316 ** 317 ** Returns void 318 ** 319 *******************************************************************************/ 320 void bta_pan_co_pfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result, 321 UINT16 len, UINT8 *p_filters) 322 { 323 UNUSED(handle); 324 UNUSED(indication); 325 UNUSED(result); 326 UNUSED(len); 327 UNUSED(p_filters); 328 329 BTIF_TRACE_API("bta_pan_co_pfilt_ind"); 330 } 331 332 /******************************************************************************* 333 ** 334 ** Function bta_pan_co_mfilt_ind 335 ** 336 ** Description multicast filter indication from peer device 337 ** 338 ** Returns void 339 ** 340 *******************************************************************************/ 341 void bta_pan_co_mfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result, 342 UINT16 len, UINT8 *p_filters) 343 { 344 UNUSED(handle); 345 UNUSED(indication); 346 UNUSED(result); 347 UNUSED(len); 348 UNUSED(p_filters); 349 350 BTIF_TRACE_API("bta_pan_co_mfilt_ind"); 351 } 352 353
