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

   1 /*
   2  * Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy)
   3  * Copyright (c) 2005 - 2006 CACE Technologies, Davis (California)
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  * notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  * notice, this list of conditions and the following disclaimer in the
  14  * documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the Politecnico di Torino, CACE Technologies
  16  * nor the names of its contributors may be used to endorse or promote
  17  * products derived from this software without specific prior written
  18  * permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * Basic USB data struct
  33  * By Paolo Abeni <paolo.abeni@email.it>
  34  *
  35  */
  36
  37 #ifndef _PCAP_USB_STRUCTS_H__
  38 #define _PCAP_USB_STRUCTS_H__
  39
  40 /*
  41  * possible transfer mode
  42  */
  43 #define URB_TRANSFER_IN   0x80
  44 #define URB_ISOCHRONOUS   0x0
  45 #define URB_INTERRUPT     0x1
  46 #define URB_CONTROL       0x2
  47 #define URB_BULK          0x3
  48
  49 /*
  50  * possible event type
  51  */
  52 #define URB_SUBMIT        'S'
  53 #define URB_COMPLETE      'C'
  54 #define URB_ERROR         'E'
  55
  56 /*
  57  * USB setup header as defined in USB specification.
  58  * Appears at the front of each packet in DLT_USB captures.
  59  */
  60 typedef struct _usb_setup {
  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         u_int64_t id;
  75         u_int8_t event_type;
  76         u_int8_t transfer_type;
  77         u_int8_t endpoint_number;
  78         u_int8_t device_address;
  79         u_int16_t bus_id;
  80         char setup_flag;/*if !=0 the urb setup header is not present*/
  81         char data_flag; /*if !=0 no urb data is present*/
  82         int64_t ts_sec;
  83         int32_t ts_usec;
  84         int32_t status;
  85         u_int32_t urb_len;
  86         u_int32_t data_len; /* amount of urb data really present in this event*/
  87         pcap_usb_setup setup;
  88 } pcap_usb_header;
  89
  90
  91 #endif