release/src-rt/include/oidencap.h

   1 /*
   2  * OID encapsulation defines for user-mode to driver interface.
   3  *
   4  * Definitions subject to change without notice.
   5  *
   6  * Copyright (C) 2010, Broadcom Corporation
   7  * All Rights Reserved.
   8  *
   9  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
  10  * the contents of this file may not be disclosed to third parties, copied
  11  * or duplicated in any form, in whole or in part, without the prior
  12  * written permission of Broadcom Corporation.
  13  *
  14  * $Id: oidencap.h,v 13.8.586.1 2010-06-09 18:11:29 Exp $
  15  */
  16
  17 #ifndef _oidencap_h_
  18 #define _oidencap_h_
  19
  20 /*
  21  * NOTE: same as OID_EPI_BASE defined in epiioctl.h
  22  */
  23 #define OID_BCM_BASE                                    0xFFFEDA00
  24
  25 /*
  26  * These values are now set in stone to preserve forward
  27  * binary compatibility.
  28  */
  29 #define OID_BCM_SETINFORMATION                  (OID_BCM_BASE + 0x3e)
  30 #define OID_BCM_GETINFORMATION                  (OID_BCM_BASE + 0x3f)
  31 #define OID_DHD_IOCTLS                                  (OID_BCM_BASE + 0x41)
  32
  33
  34 #define OIDENCAP_COOKIE 0xABADCEDE
  35
  36 #if defined(_MSC_VER)
  37 #pragma pack(push, 1)
  38 #endif
  39
  40 /*
  41  * In the following two structs keep cookie as last element
  42  * before data. This allows struct validation when fields
  43  * are added or deleted.  The data immediately follows the
  44  * structure and is required to be 4-byte aligned.
  45  *
  46  * OID_BCM_SETINFORMATION uses setinformation_t
  47  * OID_BCM_GETINFORMATION uses getinformation_t
  48 */
  49 typedef struct _setinformation {
  50     ULONG cookie;       /* OIDENCAP_COOKIE */
  51     ULONG oid;  /* actual OID value for set */
  52 } setinformation_t;
  53
  54 #define SETINFORMATION_SIZE                     (sizeof(setinformation_t))
  55 #define SETINFORMATION_DATA(shdr)               ((UCHAR *)&(shdr)[1])
  56
  57 typedef struct _getinformation {
  58     ULONG oid;  /* actual OID value for query */
  59     ULONG len;  /* length of response buffer, including this header */
  60     ULONG cookie;       /* OIDENCAP_COOKIE; altered by driver if more data available */
  61 } getinformation_t;
  62
  63 #define GETINFORMATION_SIZE                     (sizeof(getinformation_t))
  64 #define GETINFORMATION_DATA(ghdr)               ((UCHAR *)&(ghdr)[1])
  65
  66 #if defined(_MSC_VER)
  67 #pragma pack(pop)
  68 #endif
  69
  70 #endif /* _oidencap_h_ */