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 *******************************************************************************/
bta_pan_ci_tx_ready(UINT16 handle)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 *******************************************************************************/
bta_pan_ci_rx_ready(UINT16 handle)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 *******************************************************************************/
bta_pan_ci_tx_flow(UINT16 handle,BOOLEAN enable)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 *******************************************************************************/
bta_pan_ci_rx_write(UINT16 handle,BD_ADDR dst,BD_ADDR src,UINT16 protocol,UINT8 * p_data,UINT16 len,BOOLEAN ext)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 *******************************************************************************/
bta_pan_ci_rx_writebuf(UINT16 handle,BD_ADDR dst,BD_ADDR src,UINT16 protocol,BT_HDR * p_buf,BOOLEAN ext)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 *******************************************************************************/
bta_pan_ci_readbuf(UINT16 handle,BD_ADDR src,BD_ADDR dst,UINT16 * p_protocol,BOOLEAN * p_ext,BOOLEAN * p_forward)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 *******************************************************************************/
bta_pan_ci_set_mfilters(UINT16 handle,UINT16 num_mcast_filters,UINT8 * p_start_array,UINT8 * p_end_array)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 *******************************************************************************/
bta_pan_ci_set_pfilters(UINT16 handle,UINT16 num_filters,UINT16 * p_start_array,UINT16 * p_end_array)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