xref: /dragonfly/contrib/libpcap/pcap/usb.h (revision ad9f8794)
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 	u_int8_t bmRequestType;
61 	u_int8_t bRequest;
62 	u_int16_t wValue;
63 	u_int16_t wIndex;
64 	u_int16_t wLength;
65 } pcap_usb_setup;
66 
67 
68 /*
69  * Header prepended by linux kernel to each event.
70  * Appears at the front of each packet in DLT_USB_LINUX captures.
71  */
72 typedef struct _usb_header {
73 	u_int64_t id;
74 	u_int8_t event_type;
75 	u_int8_t transfer_type;
76 	u_int8_t endpoint_number;
77 	u_int8_t device_address;
78 	u_int16_t bus_id;
79 	char setup_flag;/*if !=0 the urb setup header is not present*/
80 	char data_flag; /*if !=0 no urb data is present*/
81 	int64_t ts_sec;
82 	int32_t ts_usec;
83 	int32_t status;
84 	u_int32_t urb_len;
85 	u_int32_t data_len; /* amount of urb data really present in this event*/
86 	pcap_usb_setup setup;
87 } pcap_usb_header;
88 
89 
90 #endif
91