LXR linux/drivers/staging/vt6655/IEEE11h.c

   1/*
   2 * Copyright (c) 1996, 2005 VIA Networking Technologies, Inc.
   3 * All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License along
  16 * with this program; if not, write to the Free Software Foundation, Inc.,
  17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 *
  19 *
  20 * File: IEEE11h.c
  21 *
  22 * Purpose:
  23 *
  24 * Functions:
  25 *
  26 * Revision History:
  27 *
  28 * Author: Yiching Chen
  29 *
  30 * Date: Mar. 31, 2005
  31 *
  32 */
  33
  34#include "ttype.h"
  35#include "tmacro.h"
  36#include "tether.h"
  37#include "IEEE11h.h"
  38#include "device.h"
  39#include "wmgr.h"
  40#include "rxtx.h"
  41#include "channel.h"
  42
  43/*---------------------  Static Definitions -------------------------*/
  44
  45#pragma pack(1)
  46
  47typedef struct _WLAN_FRAME_ACTION {
  48        WLAN_80211HDR_A3    Header;
  49        unsigned char byCategory;
  50        unsigned char byAction;
  51        unsigned char abyVars[1];
  52} WLAN_FRAME_ACTION, *PWLAN_FRAME_ACTION;
  53
  54typedef struct _WLAN_FRAME_MSRREQ {
  55        WLAN_80211HDR_A3    Header;
  56        unsigned char byCategory;
  57        unsigned char byAction;
  58        unsigned char byDialogToken;
  59        WLAN_IE_MEASURE_REQ sMSRReqEIDs[1];
  60} WLAN_FRAME_MSRREQ, *PWLAN_FRAME_MSRREQ;
  61
  62typedef struct _WLAN_FRAME_MSRREP {
  63        WLAN_80211HDR_A3    Header;
  64        unsigned char byCategory;
  65        unsigned char byAction;
  66        unsigned char byDialogToken;
  67        WLAN_IE_MEASURE_REP sMSRRepEIDs[1];
  68} WLAN_FRAME_MSRREP, *PWLAN_FRAME_MSRREP;
  69
  70typedef struct _WLAN_FRAME_TPCREQ {
  71        WLAN_80211HDR_A3    Header;
  72        unsigned char byCategory;
  73        unsigned char byAction;
  74        unsigned char byDialogToken;
  75        WLAN_IE_TPC_REQ     sTPCReqEIDs;
  76} WLAN_FRAME_TPCREQ, *PWLAN_FRAME_TPCREQ;
  77
  78typedef struct _WLAN_FRAME_TPCREP {
  79        WLAN_80211HDR_A3    Header;
  80        unsigned char byCategory;
  81        unsigned char byAction;
  82        unsigned char byDialogToken;
  83        WLAN_IE_TPC_REP     sTPCRepEIDs;
  84} WLAN_FRAME_TPCREP, *PWLAN_FRAME_TPCREP;
  85
  86#pragma pack()
  87
  88/* action field reference ieee 802.11h Table 20e */
  89#define ACTION_MSRREQ       0
  90#define ACTION_MSRREP       1
  91#define ACTION_TPCREQ       2
  92#define ACTION_TPCREP       3
  93#define ACTION_CHSW         4
  94
  95/*---------------------  Static Classes  ----------------------------*/
  96
  97/*---------------------  Static Variables  --------------------------*/
  98
  99/*---------------------  Static Functions  --------------------------*/
 100
 101/*---------------------  Export Variables  --------------------------*/
 102
 103/*---------------------  Export Functions  --------------------------*/
 104
 105bool IEEE11hbMSRRepTx(void *pMgmtHandle)
 106{
 107        PSMgmtObject            pMgmt = (PSMgmtObject) pMgmtHandle;
 108        PWLAN_FRAME_MSRREP      pMSRRep = (PWLAN_FRAME_MSRREP)
 109                (pMgmt->abyCurrentMSRRep + sizeof(STxMgmtPacket));
 110        size_t                    uLength = 0;
 111        PSTxMgmtPacket          pTxPacket = NULL;
 112
 113        pTxPacket = (PSTxMgmtPacket)pMgmt->abyCurrentMSRRep;
 114        memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN);
 115        pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket +
 116                                                    sizeof(STxMgmtPacket));
 117
 118        pMSRRep->Header.wFrameCtl = (WLAN_SET_FC_FTYPE(WLAN_FTYPE_MGMT) |
 119                                     WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_ACTION)
 120);
 121
 122        memcpy(pMSRRep->Header.abyAddr1, ((PWLAN_FRAME_MSRREQ)
 123                                          (pMgmt->abyCurrentMSRReq))->Header.abyAddr2, WLAN_ADDR_LEN);
 124        memcpy(pMSRRep->Header.abyAddr2,
 125               CARDpGetCurrentAddress(pMgmt->pAdapter), WLAN_ADDR_LEN);
 126        memcpy(pMSRRep->Header.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN);
 127
 128        pMSRRep->byCategory = 0;
 129        pMSRRep->byAction = 1;
 130        pMSRRep->byDialogToken = ((PWLAN_FRAME_MSRREQ)
 131                                  (pMgmt->abyCurrentMSRReq))->byDialogToken;
 132
 133        uLength = pMgmt->uLengthOfRepEIDs + offsetof(WLAN_FRAME_MSRREP,
 134                                                     sMSRRepEIDs);
 135
 136        pTxPacket->cbMPDULen = uLength;
 137        pTxPacket->cbPayloadLen = uLength - WLAN_HDR_ADDR3_LEN;
 138        if (csMgmt_xmit(pMgmt->pAdapter, pTxPacket) != CMD_STATUS_PENDING)
 139                return false;
 140        return true;
 141}
 142