1 /*
2  * Copyright (c) 2006 Paolo Abeni (Italy)
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote
15  * products derived from this software without specific prior written
16  * permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * Basic USB data struct
31  * By Paolo Abeni <paolo.abeni@email.it>
32  *
33  * @(#) $Header: /tcpdump/master/libpcap/pcap/usb.h,v 1.6 2007/09/22 02:06:08 guy Exp $
34  */
35 
36 #ifndef _PCAP_USB_STRUCTS_H__
37 #define _PCAP_USB_STRUCTS_H__
38 
39 /*
40  * possible transfer mode
41  */
42 #define URB_TRANSFER_IN    0x80
43 #define URB_ISOCHRONOUS    0x0
44 #define URB_INTERRUPT      0x1
45 #define URB_CONTROL        0x2
46 #define URB_BULK           0x3
47 
48 /*
49  * possible event type
50  */
51 #define URB_SUBMIT         'S'
52 #define URB_COMPLETE       'C'
53 #define URB_ERROR          'E'
54 
55 /*
56  * USB setup header as defined in USB specification.
57  * Appears at the front of each packet in DLT_USB captures.
58  */
59 typedef struct _usb_setup
60 {
61     u_int8_t bmRequestType;
62     u_int8_t bRequest;
63     u_int16_t wValue;
64     u_int16_t wIndex;
65     u_int16_t wLength;
66 } pcap_usb_setup;
67 
68 
69 /*
70  * Header prepended by linux kernel to each event.
71  * Appears at the front of each packet in DLT_USB_LINUX captures.
72  */
73 typedef struct _usb_header
74 {
75     u_int64_t id;
76     u_int8_t event_type;
77     u_int8_t transfer_type;
78     u_int8_t endpoint_number;
79     u_int8_t device_address;
80     u_int16_t bus_id;
81     char setup_flag; /*if !=0 the urb setup header is not present*/
82     char data_flag;  /*if !=0 no urb data is present*/
83     int64_t ts_sec;
84     int32_t ts_usec;
85     int32_t status;
86     u_int32_t urb_len;
87     u_int32_t data_len; /* amount of urb data really present in this event*/
88     pcap_usb_setup setup;
89 } pcap_usb_header;
90 
91 
92 #endif /* ifndef _PCAP_USB_STRUCTS_H__ */
93