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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 file contains the LLCP definitions
23   *
24   ******************************************************************************/
25  #ifndef LLCP_DEFS_H
26  #define LLCP_DEFS_H
27  
28  /*
29  ** LLCP PDU Descriptions
30  */
31  
32  #define LLCP_PDU_HEADER_SIZE    2       /* DSAP:PTYPE:SSAP excluding Sequence */
33  
34  #define LLCP_GET_DSAP(u16)  (((u16) & 0xFC00) >> 10)
35  #define LLCP_GET_PTYPE(u16) (((u16) & 0x03C0) >> 6)
36  #define LLCP_GET_SSAP(u16)  (((u16) & 0x003F))
37  
38  #define LLCP_GET_PDU_HEADER(dsap, ptype, ssap) (((UINT16) (dsap) << 10) | ((UINT16) (ptype) << 6) | (UINT16) (ssap))
39  
40  #define LLCP_GET_NS(u8) ((UINT8)(u8) >> 4)
41  #define LLCP_GET_NR(u8) ((UINT8)(u8) & 0x0F)
42  #define LLCP_GET_SEQUENCE(NS, NR) (((UINT8) (NS) << 4) | (UINT8) (NR))
43  #define LLCP_SEQUENCE_SIZE      1
44  
45  #define LLCP_PDU_SYMM_TYPE      0
46  #define LLCP_PDU_PAX_TYPE       1
47  #define LLCP_PDU_AGF_TYPE       2
48  #define LLCP_PDU_UI_TYPE        3
49  #define LLCP_PDU_CONNECT_TYPE   4
50  #define LLCP_PDU_DISC_TYPE      5
51  #define LLCP_PDU_CC_TYPE        6
52  #define LLCP_PDU_DM_TYPE        7
53  #define LLCP_PDU_FRMR_TYPE      8
54  #define LLCP_PDU_SNL_TYPE       9
55  #define LLCP_PDU_RESERVED_1010  10
56  #define LLCP_PDU_RESERVED_1011  11
57  #define LLCP_PDU_I_TYPE         12
58  #define LLCP_PDU_RR_TYPE        13
59  #define LLCP_PDU_RNR_TYPE       14
60  #define LLCP_PDU_RESERVED_1111  15
61  
62  #define LLCP_PDU_SYMM_SIZE      2
63  #define LLCP_PDU_DISC_SIZE      2
64  #define LLCP_PDU_DM_SIZE        3
65  #define LLCP_PDU_FRMR_SIZE      6
66  #define LLCP_PDU_RR_SIZE        3
67  #define LLCP_PDU_RNR_SIZE       3
68  #define LLCP_PDU_AGF_LEN_SIZE   2       /* 2 bytes of length in AGF PDU */
69  
70  #define LLCP_SAP_DM_REASON_RESP_DISC            0x00
71  #define LLCP_SAP_DM_REASON_NO_ACTIVE_CONNECTION 0x01
72  #define LLCP_SAP_DM_REASON_NO_SERVICE           0x02
73  #define LLCP_SAP_DM_REASON_APP_REJECTED         0x03
74  #define LLCP_SAP_DM_REASON_PERM_REJECT_THIS     0x10
75  #define LLCP_SAP_DM_REASON_PERM_REJECT_ANY      0x11
76  #define LLCP_SAP_DM_REASON_TEMP_REJECT_THIS     0x20
77  #define LLCP_SAP_DM_REASON_TEMP_REJECT_ANY      0x21
78  
79  #define LLCP_FRMR_W_ERROR_FLAG  0x08    /* Well-formedness Error */
80  #define LLCP_FRMR_I_ERROR_FLAG  0x04    /* Information Field Error */
81  #define LLCP_FRMR_R_ERROR_FLAG  0x02    /* Receive Sequence Error */
82  #define LLCP_FRMR_S_ERROR_FLAG  0x01    /* Send Sequence Error */
83  
84  #define LLCP_GET_FRMR_W_ERROR_FLAG(u8) (((UINT8) (u8) >> 7) & 0x01)
85  #define LLCP_GET_FRMR_I_ERROR_FLAG(u8) (((UINT8) (u8) >> 6) & 0x01)
86  #define LLCP_GET_FRMR_R_ERROR_FLAG(u8) (((UINT8) (u8) >> 5) & 0x01)
87  #define LLCP_GET_FRMR_S_ERROR_FLAG(u8) (((UINT8) (u8) >> 4) & 0x01)
88  #define LLCP_GET_FRMR_PTYPE(u8)        ((UINT8) (u8) & 0x0F)
89  #define LLCP_GET_FRMR_VS(u16)          (((UINT16) (u16) >> 12) & 0x000F)
90  #define LLCP_GET_FRMR_VR(u16)          (((UINT16) (u16) >>  8) & 0x000F)
91  #define LLCP_GET_FRMR_VSA(u16)         (((UINT16) (u16) >>  4) & 0x000F)
92  #define LLCP_GET_FRMR_VRA(u16)         (((UINT16) (u16) >>  0) & 0x000F)
93  
94  /*
95  ** LLCP Parameter Descriptions
96  */
97  
98  /* Version */
99  #define LLCP_VERSION_TYPE   0x01
100  #define LLCP_VERSION_LEN    0x01
101  #define LLCP_GET_MAJOR_VERSION(u8)     (((UINT8) (u8) >> 4) & 0x0F)
102  #define LLCP_GET_MINOR_VERSION(u8)     ((UINT8) (u8) & 0x0F)
103  #define LLCP_MIN_MAJOR_VERSION      0x01
104  #define LLCP_MIN_SNL_MAJOR_VERSION  0x01
105  #define LLCP_MIN_SNL_MINOR_VERSION  0x01
106  
107  /* LLCP Version 1.2 */
108  #define LLCP_VERSION_MAJOR  0x01
109  #define LLCP_VERSION_MINOR  0x02
110  #define LLCP_VERSION_VALUE  ((LLCP_VERSION_MAJOR << 4) | LLCP_VERSION_MINOR)
111  
112  /* Maximum Information Unit Extension */
113  #define LLCP_MIUX_TYPE      0x02
114  #define LLCP_MIUX_LEN       0x02
115  #define LLCP_MIUX_MASK      0x07FF  /* MIUX bit 10:0 */
116  #define LLCP_DEFAULT_MIU    128     /* if local LLC doesn't receive MIUX */
117  #define LLCP_MAX_MIU        2175    /* 2047 (11bits) + 128 */
118  
119  /* Well-Known Service */
120  #define LLCP_WKS_TYPE       0x03
121  #define LLCP_WKS_LEN        0x02
122  
123  /* Well-Known Service Bitmap */
124  #define LLCP_WKS_MASK_LM    0x0001  /* Link Management */
125  #define LLCP_WKS_MASK_SDP   0x0002  /* Service Discovery "urn:nfc:sn:sdp" */
126  #define LLCP_WKS_MASK_IP    0x0004  /* IP over LLCP Binding "urn:nfc:sn:ip" */
127  #define LLCP_WKS_MASK_OBEX  0x0008  /* OBEX over LLCP Binding "urn:nfc:sn:obex" */
128  #define LLCP_WKS_MASK_SNEP  0x0010  /* Simple NDEP Exchange Protocol "urn:nfc:sn:snep" */
129  
130  /* Well-Known Service Access Points */
131  #define LLCP_SAP_LM         0x00    /* Link Management */
132  #define LLCP_SAP_SDP        0x01    /* Service Discovery "urn:nfc:sn:sdp" */
133  #define LLCP_SAP_IP         0x02    /* IP over LLCP Binding "urn:nfc:sn:ip" */
134  #define LLCP_SAP_OBEX       0x03    /* OBEX over LLCP Binding "urn:nfc:sn:obex" */
135  #define LLCP_SAP_SNEP       0x04    /* Simple NDEP Exchange Protocol "urn:nfc:sn:snep" */
136  
137  /* Link Timeout, LTO */
138  #define LLCP_LTO_TYPE       0x04
139  #define LLCP_LTO_LEN        0x01
140  #define LLCP_DEFAULT_LTO_IN_MS    100     /* default 100ms. It should be sufficiently larget than RWT */
141  #define LLCP_LTO_UNIT       10      /* 10 ms */
142  #define LLCP_MAX_LTO_IN_MS  2550    /* 2550 ms; 8bits * 10ms */
143  
144  /* Receive Window Size, RW */
145  #define LLCP_RW_TYPE        0x05
146  #define LLCP_RW_LEN         0x01
147  #define LLCP_DEFAULT_RW     1       /* if local LLC doesn't receive RW */
148  
149  /* Service Name, SN */
150  #define LLCP_SN_TYPE        0x06
151  
152  /* Option, OPT */
153  #define LLCP_OPT_TYPE       0x07
154  #define LLCP_OPT_LEN        0x01
155  #define LLCP_GET_OPT_LSC(u8) ((UINT8) (u8) & 0x03)
156  
157  /* Service Discovery Request, SDREQ */
158  #define LLCP_SDREQ_TYPE     0x08
159  #define LLCP_SDREQ_MIN_LEN  0x03    /* type(1 byte), length(1 byte), TID(1 byte) */
160  
161  /* Service Discovery Response, SDRES */
162  #define LLCP_SDRES_TYPE     0x09
163  #define LLCP_SDRES_LEN      0x02
164  
165  /* Link Service Class */
166  #define LLCP_LSC_UNKNOWN    0x00
167  #define LLCP_LSC_1          0x01
168  #define LLCP_LSC_2          0x02
169  #define LLCP_LSC_3          0x03
170  
171  #define LLCP_MAGIC_NUMBER_LEN       3
172  #define LLCP_MAGIC_NUMBER_BYTE0     0x46
173  #define LLCP_MAGIC_NUMBER_BYTE1     0x66
174  #define LLCP_MAGIC_NUMBER_BYTE2     0x6D
175  
176  #define LLCP_SEQ_MODULO             16
177  
178  #define LLCP_NUM_SAPS               64
179  #define LLCP_LOWER_BOUND_WK_SAP     0x00
180  #define LLCP_UPPER_BOUND_WK_SAP     0x0F
181  #define LLCP_LOWER_BOUND_SDP_SAP    0x10
182  #define LLCP_UPPER_BOUND_SDP_SAP    0x1F
183  #define LLCP_LOWER_BOUND_LOCAL_SAP  0x20
184  #define LLCP_UPPER_BOUND_LOCAL_SAP  0x3F
185  
186  /* Max Payload */
187  #define LLCP_NCI_MAX_PAYL_SIZE      254 /* Maximum Payload size, Length Reduction LRi/LRt */
188  #define LLCP_NFC_DEP_HEADER_SIZE      3 /* Data exchange protocol header, 3 bytes */
189  #define LLCP_MAX_PAYLOAD_SIZE       (LLCP_NCI_MAX_PAYL_SIZE - LLCP_NFC_DEP_HEADER_SIZE)
190  
191  #define LLCP_MAX_GEN_BYTES          48
192  
193  #endif  /* LLCP_DEFS_H */
194