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Replace BT_HDR => BT_HDR_RIGID
[android-x86/system-bt.git] / bta / pan / bta_pan_ci.cc
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 implementation file for data gateway call-in functions.
22  *
23  ******************************************************************************/
24
25 #include "bt_target.h"  // Must be first to define build configuration
26
27 #include "bta/pan/bta_pan_int.h"
28 #include "osi/include/allocator.h"
29 #include "types/raw_address.h"
30
31 #if (BTA_PAN_INCLUDED == TRUE)
32
33 /*******************************************************************************
34  *
35  * Function         bta_pan_ci_tx_ready
36  *
37  * Description      This function sends an event to PAN indicating the phone is
38  *                  ready for more data and PAN should call
39  *                  bta_pan_co_tx_path().
40  *                  This function is used when the TX data path is configured
41  *                  to use a pull interface.
42  *
43  *
44  * Returns          void
45  *
46  ******************************************************************************/
47 void bta_pan_ci_tx_ready(uint16_t handle) {
48   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
49
50   p_buf->layer_specific = handle;
51   p_buf->event = BTA_PAN_CI_TX_READY_EVT;
52
53   bta_sys_sendmsg(p_buf);
54 }
55
56 /*******************************************************************************
57  *
58  * Function         bta_pan_ci_rx_ready
59  *
60  * Description      This function sends an event to PAN indicating the phone
61  *                  has data available to send to PAN and PAN should call
62  *                  bta_pan_co_rx_path().  This function is used when the RX
63  *                  data path is configured to use a pull interface.
64  *
65  *
66  * Returns          void
67  *
68  ******************************************************************************/
69 void bta_pan_ci_rx_ready(uint16_t handle) {
70   BT_HDR_RIGID* p_buf = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID));
71
72   p_buf->layer_specific = handle;
73   p_buf->event = BTA_PAN_CI_RX_READY_EVT;
74
75   bta_sys_sendmsg(p_buf);
76 }
77
78 /*******************************************************************************
79  *
80  * Function         bta_pan_ci_tx_flow
81  *
82  * Description      This function is called to enable or disable data flow on
83  *                  the TX path.  The phone should call this function to
84  *                  disable data flow when it is congested and cannot handle
85  *                  any more data sent by bta_pan_co_tx_write().
86  *                  This function is used when the
87  *                  TX data path is configured to use a push interface.
88  *
89  *
90  * Returns          void
91  *
92  ******************************************************************************/
93 void bta_pan_ci_tx_flow(uint16_t handle, bool enable) {
94   tBTA_PAN_CI_TX_FLOW* p_buf =
95       (tBTA_PAN_CI_TX_FLOW*)osi_malloc(sizeof(tBTA_PAN_CI_TX_FLOW));
96
97   p_buf->hdr.layer_specific = handle;
98   p_buf->hdr.event = BTA_PAN_CI_TX_FLOW_EVT;
99   p_buf->enable = enable;
100
101   bta_sys_sendmsg(p_buf);
102 }
103
104 /*******************************************************************************
105  *
106  * Function         bta_pan_ci_rx_write
107  *
108  * Description      This function is called to send data to PAN when the RX path
109  *                  is configured to use a push interface.  The function copies
110  *                  data to an event buffer and sends it to PAN.
111  *
112  *
113  * Returns          void
114  *
115  ******************************************************************************/
116 void bta_pan_ci_rx_write(uint16_t handle, const RawAddress& dst,
117                          const RawAddress& src, uint16_t protocol,
118                          uint8_t* p_data, uint16_t len, bool ext) {
119   BT_HDR* p_buf = (BT_HDR*)osi_malloc(PAN_BUF_SIZE);
120
121   p_buf->offset = PAN_MINIMUM_OFFSET;
122
123   /* copy all other params before the data */
124   ((tBTA_PAN_DATA_PARAMS*)p_buf)->src = src;
125   ((tBTA_PAN_DATA_PARAMS*)p_buf)->dst = dst;
126   ((tBTA_PAN_DATA_PARAMS*)p_buf)->protocol = protocol;
127   ((tBTA_PAN_DATA_PARAMS*)p_buf)->ext = ext;
128   p_buf->len = len;
129
130   /* copy data */
131   memcpy((uint8_t*)(p_buf + 1) + p_buf->offset, p_data, len);
132
133   p_buf->layer_specific = handle;
134   p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
135
136   bta_sys_sendmsg(p_buf);
137 }
138
139 /*******************************************************************************
140  *
141  * Function         bta_pan_ci_rx_writebuf
142  *
143  * Description      This function is called to send data to the phone when
144  *                  the RX path is configured to use a push interface with
145  *                  zero copy.  The function sends an event to PAN containing
146  *                  the data buffer. The buffer will be freed by BTA; the
147  *                  phone must not free the buffer.
148  *
149  *
150  * Returns          void
151  *
152  ******************************************************************************/
153 void bta_pan_ci_rx_writebuf(uint16_t handle, const RawAddress& dst,
154                             const RawAddress& src, uint16_t protocol,
155                             BT_HDR* p_buf, bool ext) {
156   /* copy all other params before the data */
157   ((tBTA_PAN_DATA_PARAMS*)p_buf)->src = src;
158   ((tBTA_PAN_DATA_PARAMS*)p_buf)->dst = dst;
159   ((tBTA_PAN_DATA_PARAMS*)p_buf)->protocol = protocol;
160   ((tBTA_PAN_DATA_PARAMS*)p_buf)->ext = ext;
161
162   p_buf->layer_specific = handle;
163   p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
164   bta_sys_sendmsg(p_buf);
165 }
166
167 /*******************************************************************************
168  *
169  * Function         bta_pan_ci_readbuf
170  *
171  * Description
172  *
173  *
174  * Returns          void
175  *
176  ******************************************************************************/
177 BT_HDR* bta_pan_ci_readbuf(uint16_t handle, RawAddress& src, RawAddress& dst,
178                            uint16_t* p_protocol, bool* p_ext, bool* p_forward) {
179   tBTA_PAN_SCB* p_scb = bta_pan_scb_by_handle(handle);
180   BT_HDR* p_buf;
181
182   if (p_scb == NULL) return NULL;
183
184   p_buf = (BT_HDR*)fixed_queue_try_dequeue(p_scb->data_queue);
185   if (p_buf != NULL) {
186     src = ((tBTA_PAN_DATA_PARAMS*)p_buf)->src;
187     dst = ((tBTA_PAN_DATA_PARAMS*)p_buf)->dst;
188     *p_protocol = ((tBTA_PAN_DATA_PARAMS*)p_buf)->protocol;
189     *p_ext = ((tBTA_PAN_DATA_PARAMS*)p_buf)->ext;
190     *p_forward = ((tBTA_PAN_DATA_PARAMS*)p_buf)->forward;
191   }
192
193   return p_buf;
194 }
195
196 /*******************************************************************************
197  *
198  * Function         bta_pan_ci_set_mfilters
199  *
200  * Description      This function is called to set multicast filters
201  *
202  *
203  * Returns          void
204  *
205  ******************************************************************************/
206 void bta_pan_ci_set_mfilters(uint16_t handle, uint16_t num_mcast_filters,
207                              uint8_t* p_start_array, uint8_t* p_end_array) {
208   PAN_SetMulticastFilters(handle, num_mcast_filters, p_start_array,
209                           p_end_array);
210 }
211
212 /*******************************************************************************
213  *
214  * Function         bta_pan_ci_set_mfilters
215  *
216  * Description      This function is called to set protocol filters
217  *
218  *
219  * Returns          void
220  *
221  ******************************************************************************/
222 void bta_pan_ci_set_pfilters(uint16_t handle, uint16_t num_filters,
223                              uint16_t* p_start_array, uint16_t* p_end_array) {
224   PAN_SetProtocolFilters(handle, num_filters, p_start_array, p_end_array);
225 }
226 #else
227 #include "osi/include/osi.h"  // UNUSED_ATTR
228
229 void bta_pan_ci_tx_ready(UNUSED_ATTR uint16_t handle) {}
230
231 void bta_pan_ci_rx_ready(UNUSED_ATTR uint16_t handle) {}
232
233 void bta_pan_ci_tx_flow(UNUSED_ATTR uint16_t handle, UNUSED_ATTR bool enable) {}
234
235 void bta_pan_ci_rx_writebuf(UNUSED_ATTR uint16_t handle,
236                             UNUSED_ATTR const RawAddress& src,
237                             UNUSED_ATTR const RawAddress& dst,
238                             UNUSED_ATTR uint16_t protocol,
239                             UNUSED_ATTR BT_HDR* p_buf, UNUSED_ATTR bool ext) {}
240
241 BT_HDR* bta_pan_ci_readbuf(UNUSED_ATTR uint16_t handle,
242                            UNUSED_ATTR RawAddress& src,
243                            UNUSED_ATTR RawAddress& dst,
244                            UNUSED_ATTR uint16_t* p_protocol,
245                            UNUSED_ATTR bool* p_ext,
246                            UNUSED_ATTR bool* p_forward) {
247   return NULL;
248 }
249
250 void bta_pan_ci_set_pfilters(UNUSED_ATTR uint16_t handle,
251                              UNUSED_ATTR uint16_t num_filters,
252                              UNUSED_ATTR uint16_t* p_start_array,
253                              UNUSED_ATTR uint16_t* p_end_array) {}
254
255 void bta_pan_ci_set_mfilters(UNUSED_ATTR uint16_t handle,
256                              UNUSED_ATTR uint16_t num_mcast_filters,
257                              UNUSED_ATTR uint8_t* p_start_array,
258                              UNUSED_ATTR uint8_t* p_end_array) {}
259
260 #endif /* BTA_PAN_API */