The Tcpdump Group git mirrors - libpcap/blob - pcap/usb.h

   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 1.6.2.3 2008-12-23 20:14:13 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  * Header prepended by linux kernel to each event, plus padding in the
  91  * internal buffer.
  92  * Appears at the front of each packet in DLT_USB_LINUX_MMAPPED captures.
  93  */
  94 typedef struct _usb_header_mmapped {
  95         u_int64_t id;
  96         u_int8_t event_type;
  97         u_int8_t transfer_type;
  98         u_int8_t endpoint_number;
  99         u_int8_t device_address;
 100         u_int16_t bus_id;
 101         char setup_flag;/*if !=0 the urb setup header is not present*/
 102         char data_flag; /*if !=0 no urb data is present*/
 103         int64_t ts_sec;
 104         int32_t ts_usec;
 105         int32_t status;
 106         u_int32_t urb_len;
 107         u_int32_t data_len; /* amount of urb data really present in this event*/
 108         pcap_usb_setup setup;
 109         u_int8_t padding[16];
 110 } pcap_usb_header_mmapped;
 111
 112 #endif