1 /******************************************************************************
2  *
3  *  Copyright (C) 2001-2012 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 file contains internally used BNEP definitions
22  *
23  ******************************************************************************/
24 
25 #ifndef  BNEP_INT_H
26 #define  BNEP_INT_H
27 
28 #include "bt_target.h"
29 #include "bt_common.h"
30 #include "bnep_api.h"
31 #include "btm_int.h"
32 #include "btu.h"
33 
34 
35 /* BNEP frame types
36 */
37 #define BNEP_FRAME_GENERAL_ETHERNET                 0x00
38 #define BNEP_FRAME_CONTROL                          0x01
39 #define BNEP_FRAME_COMPRESSED_ETHERNET              0x02
40 #define BNEP_FRAME_COMPRESSED_ETHERNET_SRC_ONLY     0x03
41 #define BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY    0x04
42 
43 
44 /* BNEP filter control message types
45 */
46 #define BNEP_CONTROL_COMMAND_NOT_UNDERSTOOD         0x00
47 #define BNEP_SETUP_CONNECTION_REQUEST_MSG           0x01
48 #define BNEP_SETUP_CONNECTION_RESPONSE_MSG          0x02
49 #define BNEP_FILTER_NET_TYPE_SET_MSG                0x03
50 #define BNEP_FILTER_NET_TYPE_RESPONSE_MSG           0x04
51 #define BNEP_FILTER_MULTI_ADDR_SET_MSG              0x05
52 #define BNEP_FILTER_MULTI_ADDR_RESPONSE_MSG         0x06
53 
54 
55 /* BNEP header extension types
56 */
57 #define BNEP_EXTENSION_FILTER_CONTROL   0x00
58 
59 
60 /* BNEP Setup Connection response codes
61 */
62 #define BNEP_SETUP_CONN_OK              0x0000
63 #define BNEP_SETUP_INVALID_DEST_UUID    0x0001
64 #define BNEP_SETUP_INVALID_SRC_UUID     0x0002
65 #define BNEP_SETUP_INVALID_UUID_SIZE    0x0003
66 #define BNEP_SETUP_CONN_NOT_ALLOWED     0x0004
67 
68 
69 /* BNEP filter control response codes
70 */
71 #define BNEP_FILTER_CRL_OK              0x0000
72 #define BNEP_FILTER_CRL_UNSUPPORTED     0x0001
73 #define BNEP_FILTER_CRL_BAD_RANGE       0x0002
74 #define BNEP_FILTER_CRL_MAX_REACHED     0x0003
75 #define BNEP_FILTER_CRL_SECURITY_ERR    0x0004
76 
77 
78 /* 802.1p protocol packet will have actual protocol field in side the payload */
79 #define BNEP_802_1_P_PROTOCOL           0x8100
80 
81 /* Timeout definitions.
82 */
83 #define BNEP_CONN_TIMEOUT_MS        (20 * 1000)      /* Connection related timeout */
84 #define BNEP_HOST_TIMEOUT_MS        (200 * 1000)     /* host responce timeout */
85 #define BNEP_FILTER_SET_TIMEOUT_MS  (10 * 1000)
86 
87 /* Define the Out-Flow default values. */
88 #define  BNEP_OFLOW_QOS_FLAG                 0
89 #define  BNEP_OFLOW_SERV_TYPE                0
90 #define  BNEP_OFLOW_TOKEN_RATE               0
91 #define  BNEP_OFLOW_TOKEN_BUCKET_SIZE        0
92 #define  BNEP_OFLOW_PEAK_BANDWIDTH           0
93 #define  BNEP_OFLOW_LATENCY                  0
94 #define  BNEP_OFLOW_DELAY_VARIATION          0
95 
96 /* Define the In-Flow default values. */
97 #define  BNEP_IFLOW_QOS_FLAG                 0
98 #define  BNEP_IFLOW_SERV_TYPE                0
99 #define  BNEP_IFLOW_TOKEN_RATE               0
100 #define  BNEP_IFLOW_TOKEN_BUCKET_SIZE        0
101 #define  BNEP_IFLOW_PEAK_BANDWIDTH           0
102 #define  BNEP_IFLOW_LATENCY                  0
103 #define  BNEP_IFLOW_DELAY_VARIATION          0
104 
105 #define BNEP_FLUSH_TO                       0xFFFF
106 
107 #define BNEP_MAX_RETRANSMITS                 3
108 
109 /* Define the BNEP Connection Control Block
110 */
111 typedef struct
112 {
113 #define BNEP_STATE_IDLE              0
114 #define BNEP_STATE_CONN_START        1
115 #define BNEP_STATE_CFG_SETUP         2
116 #define BNEP_STATE_CONN_SETUP        3
117 #define BNEP_STATE_SEC_CHECKING      4
118 #define BNEP_STATE_SETUP_RCVD        5
119 #define BNEP_STATE_CONNECTED         6
120     UINT8             con_state;
121 
122 #define BNEP_FLAGS_IS_ORIG           0x01
123 #define BNEP_FLAGS_HIS_CFG_DONE      0x02
124 #define BNEP_FLAGS_MY_CFG_DONE       0x04
125 #define BNEP_FLAGS_L2CAP_CONGESTED   0x08
126 #define BNEP_FLAGS_FILTER_RESP_PEND  0x10
127 #define BNEP_FLAGS_MULTI_RESP_PEND   0x20
128 #define BNEP_FLAGS_SETUP_RCVD        0x40
129 #define BNEP_FLAGS_CONN_COMPLETED    0x80
130     UINT8             con_flags;
131     BT_HDR            *p_pending_data;
132 
133     UINT16            l2cap_cid;
134     BD_ADDR           rem_bda;
135     UINT16            rem_mtu_size;
136     alarm_t           *conn_timer;
137     fixed_queue_t     *xmit_q;
138 
139     UINT16            sent_num_filters;
140     UINT16            sent_prot_filter_start[BNEP_MAX_PROT_FILTERS];
141     UINT16            sent_prot_filter_end[BNEP_MAX_PROT_FILTERS];
142 
143     UINT16            sent_mcast_filters;
144     BD_ADDR           sent_mcast_filter_start[BNEP_MAX_MULTI_FILTERS];
145     BD_ADDR           sent_mcast_filter_end[BNEP_MAX_MULTI_FILTERS];
146 
147     UINT16            rcvd_num_filters;
148     UINT16            rcvd_prot_filter_start[BNEP_MAX_PROT_FILTERS];
149     UINT16            rcvd_prot_filter_end[BNEP_MAX_PROT_FILTERS];
150 
151     UINT16            rcvd_mcast_filters;
152     BD_ADDR           rcvd_mcast_filter_start[BNEP_MAX_MULTI_FILTERS];
153     BD_ADDR           rcvd_mcast_filter_end[BNEP_MAX_MULTI_FILTERS];
154 
155     UINT16            bad_pkts_rcvd;
156     UINT8             re_transmits;
157     UINT16            handle;
158     tBT_UUID          prv_src_uuid;
159     tBT_UUID          prv_dst_uuid;
160     tBT_UUID          src_uuid;
161     tBT_UUID          dst_uuid;
162 
163 } tBNEP_CONN;
164 
165 
166 /*  The main BNEP control block
167 */
168 typedef struct
169 {
170     tL2CAP_CFG_INFO         l2cap_my_cfg;                   /* My L2CAP config     */
171     tBNEP_CONN              bcb[BNEP_MAX_CONNECTIONS];
172 
173     tBNEP_CONNECT_IND_CB    *p_conn_ind_cb;
174     tBNEP_CONN_STATE_CB     *p_conn_state_cb;
175     tBNEP_DATA_IND_CB       *p_data_ind_cb;
176     tBNEP_DATA_BUF_CB       *p_data_buf_cb;
177     tBNEP_FILTER_IND_CB     *p_filter_ind_cb;
178     tBNEP_MFILTER_IND_CB    *p_mfilter_ind_cb;
179     tBNEP_TX_DATA_FLOW_CB   *p_tx_data_flow_cb;
180 
181     tL2CAP_APPL_INFO        reg_info;
182 
183     BOOLEAN                 profile_registered;             /* TRUE when we got our BD addr */
184     UINT8                   trace_level;
185 
186 } tBNEP_CB;
187 
188 #ifdef __cplusplus
189 extern "C" {
190 #endif
191 
192 /* Global BNEP data
193 */
194 #if BNEP_DYNAMIC_MEMORY == FALSE
195 extern tBNEP_CB  bnep_cb;
196 #else
197 extern tBNEP_CB  *bnep_cb_ptr;
198 #define bnep_cb (*bnep_cb_ptr)
199 #endif
200 
201 /* Functions provided by bnep_main.c
202 */
203 extern tBNEP_RESULT bnep_register_with_l2cap (void);
204 extern void        bnep_disconnect (tBNEP_CONN *p_bcb, UINT16 reason);
205 extern tBNEP_CONN *bnep_conn_originate (UINT8 *p_bd_addr);
206 extern void        bnep_conn_timer_timeout(void *data);
207 extern void        bnep_connected (tBNEP_CONN *p_bcb);
208 
209 
210 /* Functions provided by bnep_utils.c
211 */
212 extern tBNEP_CONN *bnepu_find_bcb_by_cid (UINT16 cid);
213 extern tBNEP_CONN *bnepu_find_bcb_by_bd_addr (UINT8 *p_bda);
214 extern tBNEP_CONN *bnepu_allocate_bcb (BD_ADDR p_rem_bda);
215 extern void        bnepu_release_bcb (tBNEP_CONN *p_bcb);
216 extern void        bnepu_send_peer_our_filters (tBNEP_CONN *p_bcb);
217 extern void        bnepu_send_peer_our_multi_filters (tBNEP_CONN *p_bcb);
218 extern BOOLEAN     bnepu_does_dest_support_prot (tBNEP_CONN *p_bcb, UINT16 protocol);
219 extern void        bnepu_build_bnep_hdr (tBNEP_CONN *p_bcb, BT_HDR *p_buf, UINT16 protocol,
220                                          UINT8 *p_src_addr, UINT8 *p_dest_addr, BOOLEAN ext_bit);
221 extern void        test_bnepu_build_bnep_hdr (tBNEP_CONN *p_bcb, BT_HDR *p_buf, UINT16 protocol,
222                                          UINT8 *p_src_addr, UINT8 *p_dest_addr, UINT8 type);
223 
224 extern tBNEP_CONN *bnepu_get_route_to_dest (UINT8 *p_bda);
225 extern void        bnepu_check_send_packet (tBNEP_CONN *p_bcb, BT_HDR *p_buf);
226 extern void        bnep_send_command_not_understood (tBNEP_CONN *p_bcb, UINT8 cmd_code);
227 extern void        bnepu_process_peer_filter_set (tBNEP_CONN *p_bcb, UINT8 *p_filters, UINT16 len);
228 extern void        bnepu_process_peer_filter_rsp (tBNEP_CONN *p_bcb, UINT8 *p_data);
229 extern void        bnepu_process_multicast_filter_rsp (tBNEP_CONN *p_bcb, UINT8 *p_data);
230 extern void        bnep_send_conn_req (tBNEP_CONN *p_bcb);
231 extern void        bnep_send_conn_responce (tBNEP_CONN *p_bcb, UINT16 resp_code);
232 extern void        bnep_process_setup_conn_req (tBNEP_CONN *p_bcb, UINT8 *p_setup, UINT8 len);
233 extern void        bnep_process_setup_conn_responce (tBNEP_CONN *p_bcb, UINT8 *p_setup);
234 extern UINT8       *bnep_process_control_packet (tBNEP_CONN *p_bcb, UINT8 *p, UINT16 *len,
235                                                         BOOLEAN is_ext);
236 extern void        bnep_sec_check_complete (BD_ADDR bd_addr, tBT_TRANSPORT trasnport,
237                                                     void *p_ref_data, UINT8 result);
238 extern tBNEP_RESULT bnep_is_packet_allowed (tBNEP_CONN *p_bcb, BD_ADDR p_dest_addr, UINT16 protocol,
239                                                     BOOLEAN fw_ext_present, UINT8 *p_data);
240 extern UINT32      bnep_get_uuid32 (tBT_UUID *src_uuid);
241 
242 
243 
244 #ifdef __cplusplus
245 }
246 #endif
247 
248 
249 #endif
250