epan/dissectors/packet-mausb.h

   1 /* packet-mausb.h
   2  * Definitions for Media Agnostic USB dissection
   3  * Copyright 2016, Intel Corporation
   4  * Author: Sean O. Stalley <sean.stalley@intel.com>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * SPDX-License-Identifier: GPL-2.0-or-later
  11  */
  12
  13 #ifndef __PACKET_MAUSB_H__
  14 #define __PACKET_MAUSB_H__
  15
  16 #define MAUSB_DPH_LENGTH 20
  17 /** Common header fields, per section 6.2.1 */
  18 struct mausb_header {
  19     /* DWORD 0 */
  20     uint8_t  ver_flags;
  21     uint8_t  type;
  22     uint16_t length;
  23     /* DWORD 1 */
  24     uint16_t handle;
  25     uint8_t  ma_dev_addr;
  26     uint8_t  mass_id;
  27     /* DWORD 2 */
  28     uint8_t  status;
  29     union {
  30         uint16_t token;
  31         struct {
  32             uint8_t  eps_tflags;
  33             union {
  34                 uint16_t stream_id;
  35                 uint16_t num_headers_iflags;
  36             } u1;
  37             /* DWORD 3 */
  38             uint32_t seq_num; /* Note: only 24 bits used */
  39             uint8_t  req_id;
  40             /* DWORD 4 */
  41             union {
  42                 uint32_t credit;
  43                 uint32_t present_time_num_seg;
  44             } u2;
  45             /* DWORD 5 */
  46             uint32_t timestamp;
  47             /* DWORD 6 */
  48             uint32_t tx_dly; /* Note: if no timestamp, tx_dly will be in DWORD 5 */
  49         } s;
  50     } u;
  51 };
  52
  53 bool mausb_is_from_host(struct mausb_header *header);
  54 uint8_t mausb_ep_handle_ep_d(uint16_t handle);
  55 uint8_t mausb_ep_handle_ep_num(uint16_t handle);
  56 uint8_t mausb_ep_handle_dev_addr(uint16_t handle);
  57 uint8_t mausb_ep_handle_bus_num(uint16_t handle);
  58
  59 void mausb_set_urb_info(urb_info_t *urb, struct mausb_header *header);
  60
  61 #endif
  62
  63 /*
  64  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  65  *
  66  * Local variables:
  67  * c-basic-offset: 4
  68  * tab-width: 8
  69  * indent-tabs-mode: nil
  70  * End:
  71  *
  72  * vi: set shiftwidth=4 tabstop=8 expandtab:
  73  * :indentSize=4:tabSize=8:noTabs=true:
  74  */