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 implementation file for data gateway call-in functions. 22 * 23 ******************************************************************************/ 24 25 #include "bt_target.h" 26 27 #include <string.h> 28 29 #include "bt_common.h" 30 #include "pan_api.h" 31 #include "bta_api.h" 32 #include "bta_pan_api.h" 33 #include "bta_pan_ci.h" 34 #include "bta_pan_int.h" 35 #include "bt_utils.h" 36 37 #if defined(BTA_PAN_INCLUDED) && (BTA_PAN_INCLUDED == TRUE) 38 39 /******************************************************************************* 40 ** 41 ** Function bta_pan_ci_tx_ready 42 ** 43 ** Description This function sends an event to PAN indicating the phone is 44 ** ready for more data and PAN should call bta_pan_co_tx_path(). 45 ** This function is used when the TX data path is configured 46 ** to use a pull interface. 47 ** 48 ** 49 ** Returns void 50 ** 51 *******************************************************************************/ 52 void bta_pan_ci_tx_ready(UINT16 handle) 53 { 54 BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); 55 56 p_buf->layer_specific = handle; 57 p_buf->event = BTA_PAN_CI_TX_READY_EVT; 58 59 bta_sys_sendmsg(p_buf); 60 } 61 62 /******************************************************************************* 63 ** 64 ** Function bta_pan_ci_rx_ready 65 ** 66 ** Description This function sends an event to PAN indicating the phone 67 ** has data available to send to PAN and PAN should call 68 ** bta_pan_co_rx_path(). This function is used when the RX 69 ** data path is configured to use a pull interface. 70 ** 71 ** 72 ** Returns void 73 ** 74 *******************************************************************************/ 75 void bta_pan_ci_rx_ready(UINT16 handle) 76 { 77 BT_HDR *p_buf = (BT_HDR *)osi_malloc(sizeof(BT_HDR)); 78 79 p_buf->layer_specific = handle; 80 p_buf->event = BTA_PAN_CI_RX_READY_EVT; 81 82 bta_sys_sendmsg(p_buf); 83 } 84 85 /******************************************************************************* 86 ** 87 ** Function bta_pan_ci_tx_flow 88 ** 89 ** Description This function is called to enable or disable data flow on 90 ** the TX path. The phone should call this function to 91 ** disable data flow when it is congested and cannot handle 92 ** any more data sent by bta_pan_co_tx_write() or 93 ** bta_pan_co_tx_writebuf(). This function is used when the 94 ** TX data path is configured to use a push interface. 95 ** 96 ** 97 ** Returns void 98 ** 99 *******************************************************************************/ 100 void bta_pan_ci_tx_flow(UINT16 handle, BOOLEAN enable) 101 { 102 tBTA_PAN_CI_TX_FLOW *p_buf = 103 (tBTA_PAN_CI_TX_FLOW *)osi_malloc(sizeof(tBTA_PAN_CI_TX_FLOW)); 104 105 p_buf->hdr.layer_specific = handle; 106 p_buf->hdr.event = BTA_PAN_CI_TX_FLOW_EVT; 107 p_buf->enable = enable; 108 109 bta_sys_sendmsg(p_buf); 110 } 111 112 /******************************************************************************* 113 ** 114 ** Function bta_pan_ci_rx_write 115 ** 116 ** Description This function is called to send data to PAN when the RX path 117 ** is configured to use a push interface. The function copies 118 ** data to an event buffer and sends it to PAN. 119 ** 120 ** 121 ** Returns void 122 ** 123 *******************************************************************************/ 124 void bta_pan_ci_rx_write(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol, 125 UINT8 *p_data, UINT16 len, BOOLEAN ext) 126 { 127 BT_HDR *p_buf = (BT_HDR *)osi_malloc(PAN_BUF_SIZE); 128 129 p_buf->offset = PAN_MINIMUM_OFFSET; 130 131 /* copy all other params before the data */ 132 bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->src, src); 133 bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, dst); 134 ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol = protocol; 135 ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext = ext; 136 p_buf->len=len; 137 138 /* copy data */ 139 memcpy((UINT8 *)(p_buf + 1) + p_buf->offset, p_data, len); 140 141 p_buf->layer_specific = handle; 142 p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT; 143 144 bta_sys_sendmsg(p_buf); 145 } 146 147 /******************************************************************************* 148 ** 149 ** Function bta_pan_ci_rx_writebuf 150 ** 151 ** Description This function is called to send data to the phone when 152 ** the RX path is configured to use a push interface with 153 ** zero copy. The function sends an event to PAN containing 154 ** the data buffer. The buffer will be freed by BTA; the 155 ** phone must not free the buffer. 156 ** 157 ** 158 ** Returns void 159 ** 160 *******************************************************************************/ 161 void bta_pan_ci_rx_writebuf(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol, 162 BT_HDR *p_buf, BOOLEAN ext) 163 { 164 165 /* copy all other params before the data */ 166 bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->src, src); 167 bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, dst); 168 ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol = protocol; 169 ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext = ext; 170 171 p_buf->layer_specific = handle; 172 p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT; 173 bta_sys_sendmsg(p_buf); 174 } 175 176 177 178 179 /******************************************************************************* 180 ** 181 ** Function bta_pan_ci_readbuf 182 ** 183 ** Description 184 ** 185 ** 186 ** Returns void 187 ** 188 *******************************************************************************/ 189 BT_HDR * bta_pan_ci_readbuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16* p_protocol, 190 BOOLEAN* p_ext, BOOLEAN* p_forward) 191 { 192 tBTA_PAN_SCB * p_scb; 193 BT_HDR * p_buf; 194 195 p_scb = bta_pan_scb_by_handle(handle); 196 197 p_buf = (BT_HDR *)fixed_queue_try_dequeue(p_scb->data_queue); 198 if (p_buf != NULL) 199 { 200 bdcpy(src,((tBTA_PAN_DATA_PARAMS *)p_buf)->src); 201 bdcpy(dst,((tBTA_PAN_DATA_PARAMS *)p_buf)->dst); 202 *p_protocol = ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol; 203 *p_ext = ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext; 204 *p_forward = ((tBTA_PAN_DATA_PARAMS *)p_buf)->forward; 205 } 206 207 return p_buf; 208 } 209 210 211 /******************************************************************************* 212 ** 213 ** Function bta_pan_ci_set_mfilters 214 ** 215 ** Description This function is called to set multicast filters 216 ** 217 ** 218 ** Returns void 219 ** 220 *******************************************************************************/ 221 void bta_pan_ci_set_mfilters(UINT16 handle, UINT16 num_mcast_filters, UINT8 *p_start_array, 222 UINT8 *p_end_array) 223 { 224 225 PAN_SetMulticastFilters(handle, num_mcast_filters, p_start_array, p_end_array); 226 227 } 228 229 230 /******************************************************************************* 231 ** 232 ** Function bta_pan_ci_set_mfilters 233 ** 234 ** Description This function is called to set protocol filters 235 ** 236 ** 237 ** Returns void 238 ** 239 *******************************************************************************/ 240 void bta_pan_ci_set_pfilters(UINT16 handle, UINT16 num_filters, UINT16 *p_start_array, UINT16 *p_end_array) 241 { 242 243 PAN_SetProtocolFilters(handle, num_filters, p_start_array, p_end_array ); 244 245 } 246 #else 247 248 void bta_pan_ci_tx_ready(UINT16 handle) 249 { 250 UNUSED(handle); 251 } 252 253 void bta_pan_ci_rx_ready(UINT16 handle) 254 { 255 UNUSED(handle); 256 } 257 258 void bta_pan_ci_tx_flow(UINT16 handle, BOOLEAN enable) 259 { 260 UNUSED(handle); 261 UNUSED(enable); 262 } 263 264 void bta_pan_ci_rx_writebuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf, BOOLEAN ext) 265 { 266 UNUSED(handle); 267 UNUSED(src); 268 UNUSED(dst); 269 UNUSED(protocol); 270 UNUSED(p_buf); 271 UNUSED(ext); 272 } 273 274 BT_HDR * bta_pan_ci_readbuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16 *p_protocol, 275 BOOLEAN* p_ext, BOOLEAN* p_forward) 276 { 277 UNUSED(handle); 278 UNUSED(src); 279 UNUSED(dst); 280 UNUSED(p_protocol); 281 UNUSED(p_ext); 282 UNUSED(p_forward); 283 return NULL; 284 } 285 286 void bta_pan_ci_set_pfilters(UINT16 handle, UINT16 num_filters, UINT16 *p_start_array, UINT16 *p_end_array) 287 { 288 UNUSED(handle); 289 UNUSED(num_filters); 290 UNUSED(p_start_array); 291 UNUSED(p_end_array); 292 } 293 294 void bta_pan_ci_set_mfilters(UINT16 handle, UINT16 num_mcast_filters, UINT8 *p_start_array, 295 UINT8 *p_end_array) 296 { 297 UNUSED(handle); 298 UNUSED(num_mcast_filters); 299 UNUSED(p_start_array); 300 UNUSED(p_end_array); 301 } 302 303 #endif /* BTA_PAN_API */ 304
