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 interface file for data gateway call-out functions.
22  *
23  ******************************************************************************/
24 #ifndef BTA_PAN_CO_H
25 #define BTA_PAN_CO_H
26 
27 #include "bta_pan_api.h"
28 
29 /*****************************************************************************
30 **  Constants
31 *****************************************************************************/
32 
33 
34 
35 /* BT_HDR buffer offset */
36 #define BTA_PAN_MIN_OFFSET       PAN_MINIMUM_OFFSET
37 
38 
39 /* Data Flow Mask */
40 #define BTA_PAN_RX_PUSH          0x00        /* RX push. */
41 #define BTA_PAN_RX_PUSH_BUF      0x01        /* RX push with zero copy. */
42 #define BTA_PAN_RX_PULL          0x02        /* RX pull. */
43 #define BTA_PAN_TX_PUSH          0x00        /* TX push. */
44 #define BTA_PAN_TX_PUSH_BUF      0x10        /* TX push with zero copy. */
45 #define BTA_PAN_TX_PULL          0x20        /* TX pull. */
46 
47 
48 
49 /*****************************************************************************
50 **  Function Declarations
51 *****************************************************************************/
52 
53 /*******************************************************************************
54 **
55 ** Function         bta_pan_co_init
56 **
57 ** Description      This callout function is executed by PAN when a server is
58 **                  started by calling BTA_PanEnable().  This function can be
59 **                  used by the phone to initialize data paths or for other
60 **                  initialization purposes.  The function must return the
61 **                  data flow mask as described below.
62 **
63 **
64 ** Returns          Data flow mask.
65 **
66 *******************************************************************************/
67 extern UINT8 bta_pan_co_init(UINT8 *q_level);
68 
69 /*******************************************************************************
70 **
71 ** Function         bta_pan_co_open
72 **
73 ** Description      This function is executed by PAN when a connection
74 **                  is opened.  The phone can use this function to set
75 **                  up data paths or perform any required initialization.
76 **
77 **
78 ** Returns          void
79 **
80 *******************************************************************************/
81 extern void bta_pan_co_open(UINT16 handle, UINT8 app_id, tBTA_PAN_ROLE local_role, tBTA_PAN_ROLE peer_role, BD_ADDR peer_addr);
82 
83 /*******************************************************************************
84 **
85 ** Function         bta_pan_co_close
86 **
87 ** Description      This function is called by PAN when a connection to a
88 **                  server is closed.
89 **
90 **
91 ** Returns          void
92 **
93 *******************************************************************************/
94 extern void bta_pan_co_close(UINT16 handle, UINT8 app_id);
95 
96 /*******************************************************************************
97 **
98 ** Function         bta_pan_co_tx_path
99 **
100 ** Description      This function is called by PAN to transfer data on the
101 **                  TX path; that is, data being sent from BTA to the phone.
102 **                  This function is used when the TX data path is configured
103 **                  to use the pull interface.
104 **
105 **
106 ** Returns          void
107 **
108 *******************************************************************************/
109 extern void bta_pan_co_tx_path(UINT16 handle, UINT8 app_id);
110 
111 /*******************************************************************************
112 **
113 ** Function         bta_pan_co_rx_path
114 **
115 ** Description      This function is called by PAN to transfer data on the
116 **                  RX path; that is, data being sent from the phone to BTA.
117 **                  This function is used when the RX data path is configured
118 **                  to use the pull interface.
119 **
120 **
121 ** Returns          void
122 **
123 *******************************************************************************/
124 extern void bta_pan_co_rx_path(UINT16 handle, UINT8 app_id);
125 
126 /*******************************************************************************
127 **
128 ** Function         bta_pan_co_tx_write
129 **
130 ** Description      This function is called by PAN to send data to the phone
131 **                  when the TX path is configured to use a push interface.
132 **                  The implementation of this function must copy the data to
133 **                  the phone's memory.
134 **
135 **
136 ** Returns          void
137 **
138 *******************************************************************************/
139 extern void bta_pan_co_tx_write(UINT16 handle, UINT8 app_id, BD_ADDR src, BD_ADDR dst, UINT16 protocol, UINT8 *p_data,
140                                 UINT16 len, BOOLEAN ext, BOOLEAN forward);
141 
142 /*******************************************************************************
143 **
144 ** Function         bta_pan_co_tx_writebuf
145 **
146 ** Description      This function is called by PAN to send data to the phone
147 **                  when the TX path is configured to use a push interface with
148 **                  zero copy.  The phone must free the buffer using function
149 **                  osi_free() when it is through processing the buffer.
150 **
151 **
152 ** Returns          void
153 **
154 *******************************************************************************/
155 extern void bta_pan_co_tx_writebuf(UINT16 handle, UINT8 app_id, BD_ADDR src, BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf,
156                                    BOOLEAN ext, BOOLEAN forward);
157 
158 
159 /*******************************************************************************
160 **
161 ** Function         bta_pan_co_rx_flow
162 **
163 ** Description      This function is called by PAN to enable or disable
164 **                  data flow on the RX path when it is configured to use
165 **                  a push interface.  If data flow is disabled the phone must
166 **                  not call bta_pan_ci_rx_write() or bta_pan_ci_rx_writebuf()
167 **                  until data flow is enabled again.
168 **
169 **
170 ** Returns          void
171 **
172 *******************************************************************************/
173 extern void bta_pan_co_rx_flow(UINT16 handle, UINT8 app_id, BOOLEAN enable);
174 
175 
176 /*******************************************************************************
177 **
178 ** Function         bta_pan_co_filt_ind
179 **
180 ** Description      protocol filter indication from peer device
181 **
182 ** Returns          void
183 **
184 *******************************************************************************/
185 extern void bta_pan_co_pfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result,
186                                  UINT16 len, UINT8 *p_filters);
187 
188 /*******************************************************************************
189 **
190 ** Function         bta_pan_co_mfilt_ind
191 **
192 ** Description      multicast filter indication from peer device
193 **
194 ** Returns          void
195 **
196 *******************************************************************************/
197 extern void bta_pan_co_mfilt_ind(UINT16 handle,  BOOLEAN indication, tBTA_PAN_STATUS result,
198                                  UINT16 len, UINT8 *p_filters);
199 
200 #endif /* BTA_PAN_CO_H */
201