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