epan/dissectors/packet-erf.h

   1 /* packet-erf.h
   2  *
   3  * Wireshark - Network traffic analyzer
   4  * By Gerald Combs <gerald@wireshark.org>
   5  * Copyright 1998 Gerald Combs
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #ifndef __PACKET_ERF_H__
  11 #define __PACKET_ERF_H__
  12
  13 /** Gets the ERF extension header of the specified type,
  14  *
  15  * Afterindex may be NULL, or set to a int initialized to -1 and the function
  16  * re-called in a loop to iterate through extension headers of hdrtype type.
  17  *
  18  * Note: pinfo is assumed to be a pointer to an ERF pinfo.
  19  *
  20  * @param pinfo Packet info of ERF record to get extension header of.
  21  * @param hdrtype Type code of extension header. More headers bit is ignored.
  22  * @param afterinstance Pointer to header index to begin searching at,
  23  * exclusive.
  24  * Updated with index of extension header found. If NULL or initialized to -1
  25  * begin searching at the first extension header.
  26  *
  27  * @returns Pointer to extension header or NULL.
  28  * */
  29 uint64_t* erf_get_ehdr(packet_info *pinfo, uint8_t hdrtype, int* afterinstance);
  30 #endif /* packet-erf.h */