2 * Copyright (c) 1996, 2005 VIA Networking Technologies, Inc.
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.
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.
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.
28 * Author: Yiching Chen
42 /*--------------------- Static Definitions -------------------------*/
43 static int msglevel =MSG_LEVEL_INFO;
47 typedef struct _WLAN_FRAME_ACTION {
48 WLAN_80211HDR_A3 Header;
52 } WLAN_FRAME_ACTION, *PWLAN_FRAME_ACTION;
54 typedef struct _WLAN_FRAME_MSRREQ {
55 WLAN_80211HDR_A3 Header;
59 WLAN_IE_MEASURE_REQ sMSRReqEIDs[1];
60 } WLAN_FRAME_MSRREQ, *PWLAN_FRAME_MSRREQ;
62 typedef struct _WLAN_FRAME_MSRREP {
63 WLAN_80211HDR_A3 Header;
67 WLAN_IE_MEASURE_REP sMSRRepEIDs[1];
68 } WLAN_FRAME_MSRREP, *PWLAN_FRAME_MSRREP;
70 typedef struct _WLAN_FRAME_TPCREQ {
71 WLAN_80211HDR_A3 Header;
75 WLAN_IE_TPC_REQ sTPCReqEIDs;
76 } WLAN_FRAME_TPCREQ, *PWLAN_FRAME_TPCREQ;
78 typedef struct _WLAN_FRAME_TPCREP {
79 WLAN_80211HDR_A3 Header;
83 WLAN_IE_TPC_REP sTPCRepEIDs;
84 } WLAN_FRAME_TPCREP, *PWLAN_FRAME_TPCREP;
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
95 /*--------------------- Static Classes ----------------------------*/
97 /*--------------------- Static Variables --------------------------*/
99 /*--------------------- Static Functions --------------------------*/
100 static BOOL s_bRxMSRReq(PSMgmtObject pMgmt, PWLAN_FRAME_MSRREQ pMSRReq, UINT uLength)
102 size_t uNumOfEIDs = 0;
105 if (uLength <= WLAN_A3FR_MAXLEN) {
106 memcpy(pMgmt->abyCurrentMSRReq, pMSRReq, uLength);
108 uNumOfEIDs = ((uLength - offsetof(WLAN_FRAME_MSRREQ, sMSRReqEIDs))/ (sizeof(WLAN_IE_MEASURE_REQ)));
109 pMgmt->pCurrMeasureEIDRep = &(((PWLAN_FRAME_MSRREP) (pMgmt->abyCurrentMSRRep))->sMSRRepEIDs[0]);
110 pMgmt->uLengthOfRepEIDs = 0;
111 bResult = CARDbStartMeasure(pMgmt->pAdapter,
112 ((PWLAN_FRAME_MSRREQ) (pMgmt->abyCurrentMSRReq))->sMSRReqEIDs,
119 static BOOL s_bRxTPCReq(PSMgmtObject pMgmt, PWLAN_FRAME_TPCREQ pTPCReq, BYTE byRate, BYTE byRSSI)
121 PWLAN_FRAME_TPCREP pFrame;
122 PSTxMgmtPacket pTxPacket = NULL;
125 pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool;
126 memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN);
127 pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket));
129 pFrame = (PWLAN_FRAME_TPCREP)((PBYTE)pTxPacket + sizeof(STxMgmtPacket));
131 pFrame->Header.wFrameCtl = ( WLAN_SET_FC_FTYPE(WLAN_FTYPE_MGMT) |
132 WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_ACTION)
135 memcpy( pFrame->Header.abyAddr1, pTPCReq->Header.abyAddr2, WLAN_ADDR_LEN);
136 memcpy( pFrame->Header.abyAddr2, CARDpGetCurrentAddress(pMgmt->pAdapter), WLAN_ADDR_LEN);
137 memcpy( pFrame->Header.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN);
139 pFrame->byCategory = 0;
140 pFrame->byAction = 3;
141 pFrame->byDialogToken = ((PWLAN_FRAME_MSRREQ) (pMgmt->abyCurrentMSRReq))->byDialogToken;
143 pFrame->sTPCRepEIDs.byElementID = WLAN_EID_TPC_REP;
144 pFrame->sTPCRepEIDs.len = 2;
145 pFrame->sTPCRepEIDs.byTxPower = CARDbyGetTransmitPower(pMgmt->pAdapter);
148 pFrame->sTPCRepEIDs.byLinkMargin = 65 - byRSSI;
151 pFrame->sTPCRepEIDs.byLinkMargin = 66 - byRSSI;
154 pFrame->sTPCRepEIDs.byLinkMargin = 70 - byRSSI;
157 pFrame->sTPCRepEIDs.byLinkMargin = 74 - byRSSI;
160 pFrame->sTPCRepEIDs.byLinkMargin = 77 - byRSSI;
163 pFrame->sTPCRepEIDs.byLinkMargin = 79 - byRSSI;
166 pFrame->sTPCRepEIDs.byLinkMargin = 81 - byRSSI;
170 pFrame->sTPCRepEIDs.byLinkMargin = 82 - byRSSI;
174 pTxPacket->cbMPDULen = sizeof(WLAN_FRAME_TPCREP);
175 pTxPacket->cbPayloadLen = sizeof(WLAN_FRAME_TPCREP) - WLAN_HDR_ADDR3_LEN;
176 if (csMgmt_xmit(pMgmt->pAdapter, pTxPacket) != CMD_STATUS_PENDING)
179 // return (CARDbSendPacket(pMgmt->pAdapter, pFrame, PKT_TYPE_802_11_MNG, sizeof(WLAN_FRAME_TPCREP)));
184 /*--------------------- Export Variables --------------------------*/
186 /*--------------------- Export Functions --------------------------*/
192 * Handles action management frames.
196 * pMgmt - Management Object structure
197 * pRxPacket - Received packet
201 * Return Value: None.
205 IEEE11hbMgrRxAction (
206 IN PVOID pMgmtHandle,
210 PSMgmtObject pMgmt = (PSMgmtObject) pMgmtHandle;
211 PWLAN_FRAME_ACTION pAction = NULL;
213 PWLAN_IE_CH_SW pChannelSwitch = NULL;
217 uLength = ((PSRxMgmtPacket)pRxPacket)->cbMPDULen;
218 if (uLength > WLAN_A3FR_MAXLEN) {
223 pAction = (PWLAN_FRAME_ACTION) (((PSRxMgmtPacket)pRxPacket)->p80211Header);
225 if (pAction->byCategory == 0) {
226 switch (pAction->byAction) {
228 return (s_bRxMSRReq(pMgmt, (PWLAN_FRAME_MSRREQ) pAction, uLength));
233 return (s_bRxTPCReq(pMgmt,
234 (PWLAN_FRAME_TPCREQ) pAction,
235 ((PSRxMgmtPacket)pRxPacket)->byRxRate,
236 (BYTE) ((PSRxMgmtPacket)pRxPacket)->uRSSI));
241 pChannelSwitch = (PWLAN_IE_CH_SW) (pAction->abyVars);
242 if ((pChannelSwitch->byElementID == WLAN_EID_CH_SWITCH) &&
243 (pChannelSwitch->len == 3)) {
245 CARDbChannelSwitch( pMgmt->pAdapter,
246 pChannelSwitch->byMode,
247 CARDbyGetChannelMapping(pMgmt->pAdapter, pChannelSwitch->byChannel, pMgmt->eCurrentPHYMode),
248 pChannelSwitch->byCount
253 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Unknown Action = %d\n", pAction->byAction);
257 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Unknown Category = %d\n", pAction->byCategory);
258 pAction->byCategory |= 0x80;
260 //return (CARDbSendPacket(pMgmt->pAdapter, pAction, PKT_TYPE_802_11_MNG, uLength));
267 BOOL IEEE11hbMSRRepTx (
271 PSMgmtObject pMgmt = (PSMgmtObject) pMgmtHandle;
272 PWLAN_FRAME_MSRREP pMSRRep = (PWLAN_FRAME_MSRREP) (pMgmt->abyCurrentMSRRep + sizeof(STxMgmtPacket));
274 PSTxMgmtPacket pTxPacket = NULL;
276 pTxPacket = (PSTxMgmtPacket)pMgmt->abyCurrentMSRRep;
277 memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN);
278 pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket));
281 pMSRRep->Header.wFrameCtl = ( WLAN_SET_FC_FTYPE(WLAN_FTYPE_MGMT) |
282 WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_ACTION)
285 memcpy( pMSRRep->Header.abyAddr1, ((PWLAN_FRAME_MSRREQ) (pMgmt->abyCurrentMSRReq))->Header.abyAddr2, WLAN_ADDR_LEN);
286 memcpy( pMSRRep->Header.abyAddr2, CARDpGetCurrentAddress(pMgmt->pAdapter), WLAN_ADDR_LEN);
287 memcpy( pMSRRep->Header.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN);
289 pMSRRep->byCategory = 0;
290 pMSRRep->byAction = 1;
291 pMSRRep->byDialogToken = ((PWLAN_FRAME_MSRREQ) (pMgmt->abyCurrentMSRReq))->byDialogToken;
293 uLength = pMgmt->uLengthOfRepEIDs + offsetof(WLAN_FRAME_MSRREP, sMSRRepEIDs);
295 pTxPacket->cbMPDULen = uLength;
296 pTxPacket->cbPayloadLen = uLength - WLAN_HDR_ADDR3_LEN;
297 if (csMgmt_xmit(pMgmt->pAdapter, pTxPacket) != CMD_STATUS_PENDING)
300 // return (CARDbSendPacket(pMgmt->pAdapter, pMSRRep, PKT_TYPE_802_11_MNG, uLength));