Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
association.h
Go to the documentation of this file.
1 /*
2  * Wireless USB - Cable Based Association
3  *
4  * Copyright (C) 2006 Intel Corporation
5  * Inaky Perez-Gonzalez <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License version
9  * 2 as published by the Free Software Foundation.
10  *
11  */
12 #ifndef __LINUX_USB_ASSOCIATION_H
13 #define __LINUX_USB_ASSOCIATION_H
14 
15 
16 /*
17  * Association attributes
18  *
19  * Association Models Supplement to WUSB 1.0 T[3-1]
20  *
21  * Each field in the structures has it's ID, it's length and then the
22  * value. This is the actual definition of the field's ID and its
23  * length.
24  */
25 struct wusb_am_attr {
26  __u8 id;
27  __u8 len;
28 };
29 
30 /* Different fields defined by the spec */
31 #define WUSB_AR_AssociationTypeId { .id = cpu_to_le16(0x0000), .len = cpu_to_le16(2) }
32 #define WUSB_AR_AssociationSubTypeId { .id = cpu_to_le16(0x0001), .len = cpu_to_le16(2) }
33 #define WUSB_AR_Length { .id = cpu_to_le16(0x0002), .len = cpu_to_le16(4) }
34 #define WUSB_AR_AssociationStatus { .id = cpu_to_le16(0x0004), .len = cpu_to_le16(4) }
35 #define WUSB_AR_LangID { .id = cpu_to_le16(0x0008), .len = cpu_to_le16(2) }
36 #define WUSB_AR_DeviceFriendlyName { .id = cpu_to_le16(0x000b), .len = cpu_to_le16(64) } /* max */
37 #define WUSB_AR_HostFriendlyName { .id = cpu_to_le16(0x000c), .len = cpu_to_le16(64) } /* max */
38 #define WUSB_AR_CHID { .id = cpu_to_le16(0x1000), .len = cpu_to_le16(16) }
39 #define WUSB_AR_CDID { .id = cpu_to_le16(0x1001), .len = cpu_to_le16(16) }
40 #define WUSB_AR_ConnectionContext { .id = cpu_to_le16(0x1002), .len = cpu_to_le16(48) }
41 #define WUSB_AR_BandGroups { .id = cpu_to_le16(0x1004), .len = cpu_to_le16(2) }
42 
43 /* CBAF Control Requests (AMS1.0[T4-1] */
44 enum {
45  CBAF_REQ_GET_ASSOCIATION_INFORMATION = 0x01,
46  CBAF_REQ_GET_ASSOCIATION_REQUEST,
47  CBAF_REQ_SET_ASSOCIATION_RESPONSE
48 };
49 
50 /*
51  * CBAF USB-interface defitions
52  *
53  * No altsettings, one optional interrupt endpoint.
54  */
55 enum {
56  CBAF_IFACECLASS = 0xef,
57  CBAF_IFACESUBCLASS = 0x03,
58  CBAF_IFACEPROTOCOL = 0x01,
59 };
60 
61 /* Association Information (AMS1.0[T4-3]) */
62 struct wusb_cbaf_assoc_info {
63  __le16 Length;
64  __u8 NumAssociationRequests;
65  __le16 Flags;
66  __u8 AssociationRequestsArray[];
67 } __attribute__((packed));
68 
69 /* Association Request (AMS1.0[T4-4]) */
70 struct wusb_cbaf_assoc_request {
71  __u8 AssociationDataIndex;
72  __u8 Reserved;
73  __le16 AssociationTypeId;
74  __le16 AssociationSubTypeId;
75  __le32 AssociationTypeInfoSize;
76 } __attribute__((packed));
77 
78 enum {
79  AR_TYPE_WUSB = 0x0001,
80  AR_TYPE_WUSB_RETRIEVE_HOST_INFO = 0x0000,
81  AR_TYPE_WUSB_ASSOCIATE = 0x0001,
82 };
83 
84 /* Association Attribute header (AMS1.0[3.8]) */
85 struct wusb_cbaf_attr_hdr {
86  __le16 id;
87  __le16 len;
88 } __attribute__((packed));
89 
90 /* Host Info (AMS1.0[T4-7]) (yeah, more headers and fields...) */
91 struct wusb_cbaf_host_info {
92  struct wusb_cbaf_attr_hdr AssociationTypeId_hdr;
93  __le16 AssociationTypeId;
94  struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr;
95  __le16 AssociationSubTypeId;
96  struct wusb_cbaf_attr_hdr CHID_hdr;
97  struct wusb_ckhdid CHID;
98  struct wusb_cbaf_attr_hdr LangID_hdr;
99  __le16 LangID;
100  struct wusb_cbaf_attr_hdr HostFriendlyName_hdr;
101  __u8 HostFriendlyName[];
102 } __attribute__((packed));
103 
104 /* Device Info (AMS1.0[T4-8])
105  *
106  * I still don't get this tag'n'header stuff for each goddamn
107  * field...
108  */
109 struct wusb_cbaf_device_info {
110  struct wusb_cbaf_attr_hdr Length_hdr;
111  __le32 Length;
112  struct wusb_cbaf_attr_hdr CDID_hdr;
113  struct wusb_ckhdid CDID;
114  struct wusb_cbaf_attr_hdr BandGroups_hdr;
115  __le16 BandGroups;
116  struct wusb_cbaf_attr_hdr LangID_hdr;
117  __le16 LangID;
118  struct wusb_cbaf_attr_hdr DeviceFriendlyName_hdr;
119  __u8 DeviceFriendlyName[];
120 } __attribute__((packed));
121 
122 /* Connection Context; CC_DATA - Success case (AMS1.0[T4-9]) */
123 struct wusb_cbaf_cc_data {
124  struct wusb_cbaf_attr_hdr AssociationTypeId_hdr;
125  __le16 AssociationTypeId;
126  struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr;
127  __le16 AssociationSubTypeId;
128  struct wusb_cbaf_attr_hdr Length_hdr;
129  __le32 Length;
130  struct wusb_cbaf_attr_hdr ConnectionContext_hdr;
131  struct wusb_ckhdid CHID;
132  struct wusb_ckhdid CDID;
133  struct wusb_ckhdid CK;
134  struct wusb_cbaf_attr_hdr BandGroups_hdr;
135  __le16 BandGroups;
136 } __attribute__((packed));
137 
138 /* CC_DATA - Failure case (AMS1.0[T4-10]) */
139 struct wusb_cbaf_cc_data_fail {
140  struct wusb_cbaf_attr_hdr AssociationTypeId_hdr;
141  __le16 AssociationTypeId;
142  struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr;
143  __le16 AssociationSubTypeId;
144  struct wusb_cbaf_attr_hdr Length_hdr;
145  __le16 Length;
146  struct wusb_cbaf_attr_hdr AssociationStatus_hdr;
147  __u32 AssociationStatus;
148 } __attribute__((packed));
149 
150 #endif /* __LINUX_USB_ASSOCIATION_H */
Generated on Thu Jan 10 2013 14:52:43 for Linux Kernel by   doxygen 1.8.2