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
  47 typedef 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
  54 typedef 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
  62 typedef 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
  70 typedef 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
  78 typedef 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
 105 bool 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 }