nfa_cho_int.h revision e9629bad30a9f478b336ab46b8e6e02f7f87af46 
1/******************************************************************************
2 *
3 *  Copyright (C) 2010-2014 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 *
22 *  This is the private interface file for the NFA Connection Handover.
23 *
24 ******************************************************************************/
25#ifndef NFA_CHO_INT_H
26#define NFA_CHO_INT_H
27
28#if (defined (NFA_CHO_INCLUDED) && (NFA_CHO_INCLUDED==TRUE))
29#include "llcp_api.h"
30#include "llcp_defs.h"
31#include "nfa_cho_api.h"
32
33/*****************************************************************************
34**  Constants and data types
35*****************************************************************************/
36
37/* NFA Connection Handover state */
38enum
39{
40    NFA_CHO_ST_DISABLED,        /* Application has not registered      */
41    NFA_CHO_ST_IDLE,            /* No data link connection             */
42    NFA_CHO_ST_W4_CC,           /* Waiting for connection confirm      */
43    NFA_CHO_ST_CONNECTED,       /* Data link connected                 */
44
45    NFA_CHO_ST_MAX
46};
47
48typedef UINT8 tNFA_CHO_STATE;
49
50/* NFA Connection Handover substate in NFA_CHO_ST_CONNECTED */
51enum
52{
53    NFA_CHO_SUBSTATE_W4_LOCAL_HR,   /* Waiting for Hs record from local     */
54    NFA_CHO_SUBSTATE_W4_LOCAL_HS,   /* Waiting for Hs record from local     */
55    NFA_CHO_SUBSTATE_W4_REMOTE_HR,  /* Waiting for Hr record from remote    */
56    NFA_CHO_SUBSTATE_W4_REMOTE_HS,  /* Waiting for Hs record from remote    */
57
58    NFA_CHO_SUBSTATE_MAX
59};
60
61typedef UINT8 tNFA_CHO_SUBSTATE;
62
63/* Handover Message receiving status for SAR */
64#define NFA_CHO_RX_NDEF_COMPLETE    0   /* received complete NDEF message */
65#define NFA_CHO_RX_NDEF_TEMP_MEM    1   /* Cannot process due to temporary memory constraint */
66#define NFA_CHO_RX_NDEF_PERM_MEM    2   /* Cannot process due to permanent memory constraint */
67#define NFA_CHO_RX_NDEF_INCOMPLTE   3   /* Need more date       */
68#define NFA_CHO_RX_NDEF_INVALID     4   /* Invalid NDEF message */
69
70typedef UINT8 tNFA_CHO_RX_NDEF_STATUS;
71
72/* Handover Message Type */
73#define NFA_CHO_MSG_UNKNOWN         0   /* Unknown Message           */
74#define NFA_CHO_MSG_HR              1   /* Handover Request Message  */
75#define NFA_CHO_MSG_HS              2   /* Handover Select Message   */
76#define NFA_CHO_MSG_BT_OOB          3   /* Simplified BT OOB message */
77#define NFA_CHO_MSG_WIFI            4   /* Simplified WIFI message   */
78
79typedef UINT8 tNFA_CHO_MSG_TYPE;
80
81/* Timeout */
82#define NFA_CHO_TIMEOUT_FOR_HS          1000    /* ms, waiting for Hs record */
83#define NFA_CHO_TIMEOUT_FOR_RETRY       1000    /* ms, retry because of temp memory constrain */
84#define NFA_CHO_TIMEOUT_SEGMENTED_HR    500     /* ms, waiting for next segmented Hr */
85
86#define NFA_CHO_EXCLUDING_PAYLOAD_ID    0xFF    /* don't include payload ID string */
87
88/* NFA Connection Handover internal events */
89enum
90{
91    NFA_CHO_API_REG_EVT     = NFA_SYS_EVT_START (NFA_ID_CHO), /* NFA_ChoRegister () */
92    NFA_CHO_API_DEREG_EVT,            /* NFA_ChoDeregister ()       */
93    NFA_CHO_API_CONNECT_EVT,          /* NFA_ChoConnect ()          */
94    NFA_CHO_API_DISCONNECT_EVT,       /* NFA_ChoDisconnect ()       */
95    NFA_CHO_API_SEND_HR_EVT,          /* NFA_ChoSendHr ()           */
96    NFA_CHO_API_SEND_HS_EVT,          /* NFA_ChoSendHs ()           */
97    NFA_CHO_API_SEL_ERR_EVT,          /* NFA_ChoSendSelectError ()  */
98
99    NFA_CHO_RX_HANDOVER_MSG_EVT,      /* Received Handover Message  */
100
101    NFA_CHO_LLCP_CONNECT_IND_EVT,     /* LLCP_SAP_EVT_CONNECT_IND       */
102    NFA_CHO_LLCP_CONNECT_RESP_EVT,    /* LLCP_SAP_EVT_CONNECT_RESP      */
103    NFA_CHO_LLCP_DISCONNECT_IND_EVT,  /* LLCP_SAP_EVT_DISCONNECT_IND    */
104    NFA_CHO_LLCP_DISCONNECT_RESP_EVT, /* LLCP_SAP_EVT_DISCONNECT_RESP   */
105    NFA_CHO_LLCP_CONGEST_EVT,         /* LLCP_SAP_EVT_CONGEST           */
106    NFA_CHO_LLCP_LINK_STATUS_EVT,     /* LLCP_SAP_EVT_LINK_STATUS       */
107
108    NFA_CHO_NDEF_TYPE_HANDLER_EVT,    /* Callback event from NDEF Type handler */
109    NFA_CHO_TIMEOUT_EVT,              /* Timeout event              */
110
111    NFA_CHO_LAST_EVT
112};
113
114typedef UINT16 tNFA_CHO_INT_EVT;
115
116/* data type for NFA_CHO_API_REG_EVT */
117typedef struct
118{
119    BT_HDR              hdr;
120    BOOLEAN             enable_server;
121    tNFA_CHO_CBACK     *p_cback;
122} tNFA_CHO_API_REG;
123
124/* data type for NFA_CHO_API_DEREG_EVT */
125typedef BT_HDR tNFA_CHO_API_DEREG;
126
127/* data type for NFA_CHO_API_CONNECT_EVT */
128typedef BT_HDR tNFA_CHO_API_CONNECT;
129
130/* data type for NFA_CHO_API_DISCONNECT_EVT */
131typedef BT_HDR tNFA_CHO_API_DISCONNECT;
132
133/* data type for NFA_CHO_API_SEND_HR_EVT */
134typedef struct
135{
136    BT_HDR              hdr;
137    UINT8               num_ac_info;
138    tNFA_CHO_AC_INFO   *p_ac_info;
139    UINT8              *p_ndef;
140    UINT32              max_ndef_size;
141    UINT32              cur_ndef_size;
142} tNFA_CHO_API_SEND_HR;
143
144/* data type for NFA_CHO_API_SEND_HS_EVT */
145typedef struct
146{
147    BT_HDR              hdr;
148    UINT8               num_ac_info;
149    tNFA_CHO_AC_INFO   *p_ac_info;
150    UINT8              *p_ndef;
151    UINT32              max_ndef_size;
152    UINT32              cur_ndef_size;
153} tNFA_CHO_API_SEND_HS;
154
155/* data type for NFA_CHO_API_STOP_EVT */
156typedef BT_HDR tNFA_CHO_API_STOP;
157
158/* data type for NFA_CHO_API_SEL_ERR_EVT */
159typedef struct
160{
161    BT_HDR              hdr;
162    UINT8               error_reason;
163    UINT32              error_data;
164} tNFA_CHO_API_SEL_ERR;
165
166/* data type for NFA_CHO_NDEF_TYPE_HANDLER_EVT */
167typedef struct
168{
169    BT_HDR              hdr;
170    tNFA_NDEF_EVT       event;
171    tNFA_NDEF_EVT_DATA  data;
172} tNFA_CHO_NDEF_TYPE_HDLR_EVT;
173
174/* union of all event data types */
175typedef union
176{
177    BT_HDR                      hdr;                /* NFA_CHO_TIMEOUT_EVT        */
178    tNFA_CHO_API_REG            api_reg;            /* NFA_CHO_API_REG_EVT        */
179    tNFA_CHO_API_DEREG          api_dereg;          /* NFA_CHO_API_DEREG_EVT      */
180    tNFA_CHO_API_CONNECT        api_connect;        /* NFA_CHO_API_CONNECT_EVT    */
181    tNFA_CHO_API_DISCONNECT     api_disconnect;     /* NFA_CHO_API_DISCONNECT_EVT */
182    tNFA_CHO_API_SEND_HR        api_send_hr;        /* NFA_CHO_API_SEND_HR_EVT    */
183    tNFA_CHO_API_SEND_HS        api_send_hs;        /* NFA_CHO_API_SEND_HS_EVT    */
184    tNFA_CHO_API_SEL_ERR        api_sel_err;        /* NFA_CHO_API_SEL_ERR_EVT    */
185    tNFA_CHO_NDEF_TYPE_HDLR_EVT ndef_type_hdlr;     /* NFA_CHO_NDEF_TYPE_HANDLER_EVT */
186    tLLCP_SAP_CBACK_DATA        llcp_cback_data;    /* LLCP callback data         */
187} tNFA_CHO_INT_EVENT_DATA;
188
189/*****************************************************************************
190**  control block
191*****************************************************************************/
192
193#define NFA_CHO_FLAGS_LLCP_ACTIVATED    0x01
194#define NFA_CHO_FLAGS_CLIENT_ONLY       0x02    /* Handover server is not enabled       */
195#define NFA_CHO_FLAGS_CONN_COLLISION    0x04    /* collision when creating data link    */
196
197/* NFA Connection Handover control block */
198typedef struct
199{
200    tNFA_CHO_STATE      state;                  /* main state                           */
201    tNFA_CHO_SUBSTATE   substate;               /* substate in connected state          */
202    TIMER_LIST_ENT      timer;                  /* timer for rx handover message        */
203
204    UINT8               server_sap;             /* SAP for local handover server        */
205    UINT8               client_sap;             /* SAP for connection to remote handover server */
206    UINT8               local_sap;              /* SSAP for connection, either server_sap or client_sap */
207    UINT8               remote_sap;             /* DSAP for connection                  */
208
209    UINT8               flags;                  /* internal flags                       */
210    tNFA_CHO_DISC_REASON disc_reason;           /* disconnection reason                 */
211
212    tNFA_HANDLE         hs_ndef_type_handle;    /* handle for HS NDEF Type handler      */
213    tNFA_HANDLE         bt_ndef_type_handle;    /* handle for BT OOB NDEF Type handler  */
214    tNFA_HANDLE         wifi_ndef_type_handle;  /* handle for WiFi NDEF Type handler    */
215
216    UINT16              local_link_miu;         /* MIU of local LLCP                    */
217    UINT16              remote_miu;             /* peer's MIU of data link connection   */
218    BOOLEAN             congested;              /* TRUE if data link is congested       */
219
220    UINT8               collision_local_sap;    /* SSAP for collision connection        */
221    UINT8               collision_remote_sap;   /* DSAP for collision connection        */
222    UINT16              collision_remote_miu;   /* peer's MIU of collision  connection  */
223    BOOLEAN             collision_congested;    /* TRUE if collision connection is congested */
224
225    UINT16              tx_random_number;       /* it has been sent in Hr for collision */
226
227    UINT8              *p_tx_ndef_msg;          /* allocate buffer for tx NDEF msg      */
228    UINT32              tx_ndef_cur_size;       /* current size of NDEF message         */
229    UINT32              tx_ndef_sent_size;      /* transmitted size of NDEF message     */
230
231    UINT8              *p_rx_ndef_msg;          /* allocate buffer for rx NDEF msg      */
232    UINT32              rx_ndef_buf_size;       /* allocate buffer size for rx NDEF msg */
233    UINT32              rx_ndef_cur_size;       /* current rx size of NDEF message      */
234
235    tNFA_CHO_CBACK     *p_cback;                /* callback registered by application   */
236
237    UINT8               trace_level;
238
239#if (defined (NFA_CHO_TEST_INCLUDED) && (NFA_CHO_TEST_INCLUDED == TRUE))
240    UINT8               test_enabled;
241    UINT8               test_version;
242    UINT16              test_random_number;
243#endif
244} tNFA_CHO_CB;
245
246/*****************************************************************************
247**  External variables
248*****************************************************************************/
249
250/* NFA Connection Handover control block */
251#if NFA_DYNAMIC_MEMORY == FALSE
252extern tNFA_CHO_CB nfa_cho_cb;
253#else
254extern tNFA_CHO_CB *nfa_cho_cb_ptr;
255#define nfa_cho_cb (*nfa_cho_cb_ptr)
256#endif
257
258/*****************************************************************************
259**  External functions
260*****************************************************************************/
261/* nfa_cho_main.c */
262void nfa_cho_init (void);
263
264/* nfa_cho_sm.c */
265void nfa_cho_sm_llcp_cback (tLLCP_SAP_CBACK_DATA *p_data);
266void nfa_cho_sm_execute (tNFA_CHO_INT_EVT event, tNFA_CHO_INT_EVENT_DATA *p_evt_data);
267
268/* nfa_cho_util.c */
269void nfa_cho_proc_ndef_type_handler_evt (tNFA_CHO_INT_EVENT_DATA *p_evt_data);
270tNFA_STATUS nfa_cho_proc_api_reg (tNFA_CHO_INT_EVENT_DATA *p_evt_data);
271void        nfa_cho_proc_api_dereg (void);
272tNFA_STATUS nfa_cho_create_connection (void);
273void nfa_cho_process_disconnection (tNFA_CHO_DISC_REASON disc_reason);
274void nfa_cho_notify_tx_fail_evt (tNFA_STATUS status);
275
276tNFA_STATUS nfa_cho_send_handover_msg (void);
277tNFA_CHO_RX_NDEF_STATUS nfa_cho_read_ndef_msg (UINT8 local_sap, UINT8 remote_sap);
278tNFA_CHO_RX_NDEF_STATUS nfa_cho_reassemble_ho_msg (UINT8 local_sap, UINT8 remote_sap);
279
280tNFA_STATUS nfa_cho_send_hr (tNFA_CHO_API_SEND_HR *p_api_send_hr);
281tNFA_STATUS nfa_cho_send_hs (tNFA_CHO_API_SEND_HS *p_api_select);
282tNFA_STATUS nfa_cho_send_hs_error (UINT8 error_reason, UINT32 error_data);
283
284void nfa_cho_proc_hr (UINT32 length, UINT8 *p_ndef_msg);
285void nfa_cho_proc_hs (UINT32 length, UINT8 *p_ndef_msg);
286void nfa_cho_proc_simplified_format (UINT32 length, UINT8 *p_ndef_msg);
287
288tNFA_CHO_MSG_TYPE  nfa_cho_get_msg_type (UINT32 length, UINT8 *p_ndef_msg);
289tNFA_CHO_ROLE_TYPE nfa_cho_get_local_device_role (UINT32 length, UINT8 *p_ndef_msg);
290tNFA_STATUS nfa_cho_update_random_number (UINT8 *p_ndef_msg);
291#endif /* (defined (NFA_CHO_INCLUDED) && (NFA_CHO_INCLUDED==TRUE)) */
292#endif /* NFA_CHO_INT_H */
293