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  */
  34
  35 #ifndef _PCAP_USB_STRUCTS_H__
  36 #define _PCAP_USB_STRUCTS_H__
  37
  38 /*
  39  * possible transfer mode
  40  */
  41 #define URB_TRANSFER_IN   0x80
  42 #define URB_ISOCHRONOUS   0x0
  43 #define URB_INTERRUPT     0x1
  44 #define URB_CONTROL       0x2
  45 #define URB_BULK          0x3
  46
  47 /*
  48  * possible event type
  49  */
  50 #define URB_SUBMIT        'S'
  51 #define URB_COMPLETE      'C'
  52 #define URB_ERROR         'E'
  53
  54 /*
  55  * USB setup header as defined in USB specification.
  56  * Appears at the front of each packet in DLT_USB captures.
  57  */
  58 typedef struct _usb_setup {
  59         u_int8_t bmRequestType;
  60         u_int8_t bRequest;
  61         u_int16_t wValue;
  62         u_int16_t wIndex;
  63         u_int16_t wLength;
  64 } pcap_usb_setup;
  65
  66
  67 /*
  68  * Header prepended by linux kernel to each event.
  69  * Appears at the front of each packet in DLT_USB_LINUX captures.
  70  */
  71 typedef struct _usb_header {
  72         u_int64_t id;
  73         u_int8_t event_type;
  74         u_int8_t transfer_type;
  75         u_int8_t endpoint_number;
  76         u_int8_t device_address;
  77         u_int16_t bus_id;
  78         char setup_flag;/*if !=0 the urb setup header is not present*/
  79         char data_flag; /*if !=0 no urb data is present*/
  80         int64_t ts_sec;
  81         int32_t ts_usec;
  82         int32_t status;
  83         u_int32_t urb_len;
  84         u_int32_t data_len; /* amount of urb data really present in this event*/
  85         pcap_usb_setup setup;
  86 } pcap_usb_header;
  87
  88
  89 #endif