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Staging: rt2860: remove DOT11_N_SUPPORT ifdefs
[linux-2.6.git] / drivers / staging / rt2860 / common / cmm_sync.c
blobcdbc8a34d3fc15fd2cbf49c948689e97335a895f
1 /*
2 *************************************************************************
3 * Ralink Tech Inc.
4 * 5F., No.36, Taiyuan St., Jhubei City,
5 * Hsinchu County 302,
6 * Taiwan, R.O.C.
7 *
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 * *
25 *************************************************************************
26
27 Module Name:
28 sync.c
29
30 Abstract:
31
32 Revision History:
33 Who When What
34 -------- ---------- ----------------------------------------------
35 John Chang 2004-09-01 modified for rt2561/2661
36 */
37 #include "../rt_config.h"
38
39 // 2.4 Ghz channel plan index in the TxPower arrays.
40 #define BG_BAND_REGION_0_START 0 // 1,2,3,4,5,6,7,8,9,10,11
41 #define BG_BAND_REGION_0_SIZE 11
42 #define BG_BAND_REGION_1_START 0 // 1,2,3,4,5,6,7,8,9,10,11,12,13
43 #define BG_BAND_REGION_1_SIZE 13
44 #define BG_BAND_REGION_2_START 9 // 10,11
45 #define BG_BAND_REGION_2_SIZE 2
46 #define BG_BAND_REGION_3_START 9 // 10,11,12,13
47 #define BG_BAND_REGION_3_SIZE 4
48 #define BG_BAND_REGION_4_START 13 // 14
49 #define BG_BAND_REGION_4_SIZE 1
50 #define BG_BAND_REGION_5_START 0 // 1,2,3,4,5,6,7,8,9,10,11,12,13,14
51 #define BG_BAND_REGION_5_SIZE 14
52 #define BG_BAND_REGION_6_START 2 // 3,4,5,6,7,8,9
53 #define BG_BAND_REGION_6_SIZE 7
54 #define BG_BAND_REGION_7_START 4 // 5,6,7,8,9,10,11,12,13
55 #define BG_BAND_REGION_7_SIZE 9
56 #define BG_BAND_REGION_31_START 0 // 1,2,3,4,5,6,7,8,9,10,11,12,13,14
57 #define BG_BAND_REGION_31_SIZE 14
58
59 // 5 Ghz channel plan index in the TxPower arrays.
60 UCHAR A_BAND_REGION_0_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165};
61 UCHAR A_BAND_REGION_1_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140};
62 UCHAR A_BAND_REGION_2_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64};
63 UCHAR A_BAND_REGION_3_CHANNEL_LIST[]={52, 56, 60, 64, 149, 153, 157, 161};
64 UCHAR A_BAND_REGION_4_CHANNEL_LIST[]={149, 153, 157, 161, 165};
65 UCHAR A_BAND_REGION_5_CHANNEL_LIST[]={149, 153, 157, 161};
66 UCHAR A_BAND_REGION_6_CHANNEL_LIST[]={36, 40, 44, 48};
67 UCHAR A_BAND_REGION_7_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165};
68 UCHAR A_BAND_REGION_8_CHANNEL_LIST[]={52, 56, 60, 64};
69 UCHAR A_BAND_REGION_9_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161, 165};
70 UCHAR A_BAND_REGION_10_CHANNEL_LIST[]={36, 40, 44, 48, 149, 153, 157, 161, 165};
71 UCHAR A_BAND_REGION_11_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 149, 153, 157, 161};
72
73 //BaSizeArray follows the 802.11n definition as MaxRxFactor. 2^(13+factor) bytes. When factor =0, it's about Ba buffer size =8.
74 UCHAR BaSizeArray[4] = {8,16,32,64};
75
76 /*
77 ==========================================================================
78 Description:
79 Update StaCfg->ChannelList[] according to 1) Country Region 2) RF IC type,
80 and 3) PHY-mode user selected.
81 The outcome is used by driver when doing site survey.
82
83 IRQL = PASSIVE_LEVEL
84 IRQL = DISPATCH_LEVEL
85
86 ==========================================================================
87 */
88 VOID BuildChannelList(
89 IN PRTMP_ADAPTER pAd)
90 {
91 UCHAR i, j, index=0, num=0;
92 PUCHAR pChannelList = NULL;
93
94 NdisZeroMemory(pAd->ChannelList, MAX_NUM_OF_CHANNELS * sizeof(CHANNEL_TX_POWER));
95
96 // if not 11a-only mode, channel list starts from 2.4Ghz band
97 if ((pAd->CommonCfg.PhyMode != PHY_11A)
98 && (pAd->CommonCfg.PhyMode != PHY_11AN_MIXED) && (pAd->CommonCfg.PhyMode != PHY_11N_5G)
99 )
100 {
101 switch (pAd->CommonCfg.CountryRegion & 0x7f)
102 {
103 case REGION_0_BG_BAND: // 1 -11
104 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_0_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_0_SIZE);
105 index += BG_BAND_REGION_0_SIZE;
106 break;
107 case REGION_1_BG_BAND: // 1 - 13
108 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_1_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_1_SIZE);
109 index += BG_BAND_REGION_1_SIZE;
110 break;
111 case REGION_2_BG_BAND: // 10 - 11
112 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_2_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_2_SIZE);
113 index += BG_BAND_REGION_2_SIZE;
114 break;
115 case REGION_3_BG_BAND: // 10 - 13
116 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_3_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_3_SIZE);
117 index += BG_BAND_REGION_3_SIZE;
118 break;
119 case REGION_4_BG_BAND: // 14
120 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_4_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_4_SIZE);
121 index += BG_BAND_REGION_4_SIZE;
122 break;
123 case REGION_5_BG_BAND: // 1 - 14
124 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_5_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_5_SIZE);
125 index += BG_BAND_REGION_5_SIZE;
126 break;
127 case REGION_6_BG_BAND: // 3 - 9
128 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_6_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_6_SIZE);
129 index += BG_BAND_REGION_6_SIZE;
130 break;
131 case REGION_7_BG_BAND: // 5 - 13
132 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_7_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_7_SIZE);
133 index += BG_BAND_REGION_7_SIZE;
134 break;
135 case REGION_31_BG_BAND: // 1 - 14
136 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_31_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_31_SIZE);
137 index += BG_BAND_REGION_31_SIZE;
138 break;
139 default: // Error. should never happen
140 break;
141 }
142 for (i=0; i<index; i++)
143 pAd->ChannelList[i].MaxTxPwr = 20;
144 }
145
146 if ((pAd->CommonCfg.PhyMode == PHY_11A) || (pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED)
147 || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AN_MIXED)
148 || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11N_5G)
149 )
150 {
151 switch (pAd->CommonCfg.CountryRegionForABand & 0x7f)
152 {
153 case REGION_0_A_BAND:
154 num = sizeof(A_BAND_REGION_0_CHANNEL_LIST)/sizeof(UCHAR);
155 pChannelList = A_BAND_REGION_0_CHANNEL_LIST;
156 break;
157 case REGION_1_A_BAND:
158 num = sizeof(A_BAND_REGION_1_CHANNEL_LIST)/sizeof(UCHAR);
159 pChannelList = A_BAND_REGION_1_CHANNEL_LIST;
160 break;
161 case REGION_2_A_BAND:
162 num = sizeof(A_BAND_REGION_2_CHANNEL_LIST)/sizeof(UCHAR);
163 pChannelList = A_BAND_REGION_2_CHANNEL_LIST;
164 break;
165 case REGION_3_A_BAND:
166 num = sizeof(A_BAND_REGION_3_CHANNEL_LIST)/sizeof(UCHAR);
167 pChannelList = A_BAND_REGION_3_CHANNEL_LIST;
168 break;
169 case REGION_4_A_BAND:
170 num = sizeof(A_BAND_REGION_4_CHANNEL_LIST)/sizeof(UCHAR);
171 pChannelList = A_BAND_REGION_4_CHANNEL_LIST;
172 break;
173 case REGION_5_A_BAND:
174 num = sizeof(A_BAND_REGION_5_CHANNEL_LIST)/sizeof(UCHAR);
175 pChannelList = A_BAND_REGION_5_CHANNEL_LIST;
176 break;
177 case REGION_6_A_BAND:
178 num = sizeof(A_BAND_REGION_6_CHANNEL_LIST)/sizeof(UCHAR);
179 pChannelList = A_BAND_REGION_6_CHANNEL_LIST;
180 break;
181 case REGION_7_A_BAND:
182 num = sizeof(A_BAND_REGION_7_CHANNEL_LIST)/sizeof(UCHAR);
183 pChannelList = A_BAND_REGION_7_CHANNEL_LIST;
184 break;
185 case REGION_8_A_BAND:
186 num = sizeof(A_BAND_REGION_8_CHANNEL_LIST)/sizeof(UCHAR);
187 pChannelList = A_BAND_REGION_8_CHANNEL_LIST;
188 break;
189 case REGION_9_A_BAND:
190 num = sizeof(A_BAND_REGION_9_CHANNEL_LIST)/sizeof(UCHAR);
191 pChannelList = A_BAND_REGION_9_CHANNEL_LIST;
192 break;
193
194 case REGION_10_A_BAND:
195 num = sizeof(A_BAND_REGION_10_CHANNEL_LIST)/sizeof(UCHAR);
196 pChannelList = A_BAND_REGION_10_CHANNEL_LIST;
197 break;
198
199 case REGION_11_A_BAND:
200 num = sizeof(A_BAND_REGION_11_CHANNEL_LIST)/sizeof(UCHAR);
201 pChannelList = A_BAND_REGION_11_CHANNEL_LIST;
202 break;
203
204 default: // Error. should never happen
205 DBGPRINT(RT_DEBUG_WARN,("countryregion=%d not support", pAd->CommonCfg.CountryRegionForABand));
206 break;
207 }
208
209 if (num != 0)
210 {
211 UCHAR RadarCh[15]={52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140};
212 for (i=0; i<num; i++)
213 {
214 for (j=0; j<MAX_NUM_OF_CHANNELS; j++)
215 {
216 if (pChannelList[i] == pAd->TxPower[j].Channel)
217 NdisMoveMemory(&pAd->ChannelList[index+i], &pAd->TxPower[j], sizeof(CHANNEL_TX_POWER));
218 }
219 for (j=0; j<15; j++)
220 {
221 if (pChannelList[i] == RadarCh[j])
222 pAd->ChannelList[index+i].DfsReq = TRUE;
223 }
224 pAd->ChannelList[index+i].MaxTxPwr = 20;
225 }
226 index += num;
227 }
228 }
229
230 pAd->ChannelListNum = index;
231 DBGPRINT(RT_DEBUG_TRACE,("country code=%d/%d, RFIC=%d, PHY mode=%d, support %d channels\n",
232 pAd->CommonCfg.CountryRegion, pAd->CommonCfg.CountryRegionForABand, pAd->RfIcType, pAd->CommonCfg.PhyMode, pAd->ChannelListNum));
233 #ifdef DBG
234 for (i=0;i<pAd->ChannelListNum;i++)
235 {
236 DBGPRINT_RAW(RT_DEBUG_TRACE,("BuildChannel # %d :: Pwr0 = %d, Pwr1 =%d, \n ", pAd->ChannelList[i].Channel, pAd->ChannelList[i].Power, pAd->ChannelList[i].Power2));
237 }
238 #endif
239 }
240
241 /*
242 ==========================================================================
243 Description:
244 This routine return the first channel number according to the country
245 code selection and RF IC selection (signal band or dual band). It is called
246 whenever driver need to start a site survey of all supported channels.
247 Return:
248 ch - the first channel number of current country code setting
249
250 IRQL = PASSIVE_LEVEL
251
252 ==========================================================================
253 */
254 UCHAR FirstChannel(
255 IN PRTMP_ADAPTER pAd)
256 {
257 return pAd->ChannelList[0].Channel;
258 }
259
260 /*
261 ==========================================================================
262 Description:
263 This routine returns the next channel number. This routine is called
264 during driver need to start a site survey of all supported channels.
265 Return:
266 next_channel - the next channel number valid in current country code setting.
267 Note:
268 return 0 if no more next channel
269 ==========================================================================
270 */
271 UCHAR NextChannel(
272 IN PRTMP_ADAPTER pAd,
273 IN UCHAR channel)
274 {
275 int i;
276 UCHAR next_channel = 0;
277
278 for (i = 0; i < (pAd->ChannelListNum - 1); i++)
279 if (channel == pAd->ChannelList[i].Channel)
280 {
281 next_channel = pAd->ChannelList[i+1].Channel;
282 break;
283 }
284 return next_channel;
285 }
286
287 /*
288 ==========================================================================
289 Description:
290 This routine is for Cisco Compatible Extensions 2.X
291 Spec31. AP Control of Client Transmit Power
292 Return:
293 None
294 Note:
295 Required by Aironet dBm(mW)
296 0dBm(1mW), 1dBm(5mW), 13dBm(20mW), 15dBm(30mW),
297 17dBm(50mw), 20dBm(100mW)
298
299 We supported
300 3dBm(Lowest), 6dBm(10%), 9dBm(25%), 12dBm(50%),
301 14dBm(75%), 15dBm(100%)
302
303 The client station's actual transmit power shall be within +/- 5dB of
304 the minimum value or next lower value.
305 ==========================================================================
306 */
307 VOID ChangeToCellPowerLimit(
308 IN PRTMP_ADAPTER pAd,
309 IN UCHAR AironetCellPowerLimit)
310 {
311 //valud 0xFF means that hasn't found power limit information
312 //from the AP's Beacon/Probe response.
313 if (AironetCellPowerLimit == 0xFF)
314 return;
315
316 if (AironetCellPowerLimit < 6) //Used Lowest Power Percentage.
317 pAd->CommonCfg.TxPowerPercentage = 6;
318 else if (AironetCellPowerLimit < 9)
319 pAd->CommonCfg.TxPowerPercentage = 10;
320 else if (AironetCellPowerLimit < 12)
321 pAd->CommonCfg.TxPowerPercentage = 25;
322 else if (AironetCellPowerLimit < 14)
323 pAd->CommonCfg.TxPowerPercentage = 50;
324 else if (AironetCellPowerLimit < 15)
325 pAd->CommonCfg.TxPowerPercentage = 75;
326 else
327 pAd->CommonCfg.TxPowerPercentage = 100; //else used maximum
328
329 if (pAd->CommonCfg.TxPowerPercentage > pAd->CommonCfg.TxPowerDefault)
330 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
331
332 }
333
334 CHAR ConvertToRssi(
335 IN PRTMP_ADAPTER pAd,
336 IN CHAR Rssi,
337 IN UCHAR RssiNumber)
338 {
339 UCHAR RssiOffset, LNAGain;
340
341 // Rssi equals to zero should be an invalid value
342 if (Rssi == 0)
343 return -99;
344
345 LNAGain = GET_LNA_GAIN(pAd);
346 if (pAd->LatchRfRegs.Channel > 14)
347 {
348 if (RssiNumber == 0)
349 RssiOffset = pAd->ARssiOffset0;
350 else if (RssiNumber == 1)
351 RssiOffset = pAd->ARssiOffset1;
352 else
353 RssiOffset = pAd->ARssiOffset2;
354 }
355 else
356 {
357 if (RssiNumber == 0)
358 RssiOffset = pAd->BGRssiOffset0;
359 else if (RssiNumber == 1)
360 RssiOffset = pAd->BGRssiOffset1;
361 else
362 RssiOffset = pAd->BGRssiOffset2;
363 }
364
365 return (-12 - RssiOffset - LNAGain - Rssi);
366 }
367
368 /*
369 ==========================================================================
370 Description:
371 Scan next channel
372 ==========================================================================
373 */
374 VOID ScanNextChannel(
375 IN PRTMP_ADAPTER pAd)
376 {
377 HEADER_802_11 Hdr80211;
378 PUCHAR pOutBuffer = NULL;
379 NDIS_STATUS NStatus;
380 ULONG FrameLen = 0;
381 UCHAR SsidLen = 0, ScanType = pAd->MlmeAux.ScanType, BBPValue = 0;
382 USHORT Status;
383 PHEADER_802_11 pHdr80211;
384 UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
385
386 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
387 {
388 if (MONITOR_ON(pAd))
389 return;
390 }
391
392 if (pAd->MlmeAux.Channel == 0)
393 {
394 if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
395 && (INFRA_ON(pAd)
396 || (pAd->OpMode == OPMODE_AP))
397 )
398 {
399 AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
400 AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
401 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
402 BBPValue &= (~0x18);
403 BBPValue |= 0x10;
404 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
405 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
406 }
407 else
408 {
409 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
410 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
411 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to channel %d, Total BSS[%02d]\n",pAd->CommonCfg.Channel, pAd->ScanTab.BssNr));
412 }
413
414 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
415 {
416 //
417 // To prevent data lost.
418 // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
419 // Now, we need to send an NULL data with turned PSM bit off to AP, when scan progress done
420 //
421 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
422 {
423 NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
424 if (NStatus == NDIS_STATUS_SUCCESS)
425 {
426 pHdr80211 = (PHEADER_802_11) pOutBuffer;
427 MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
428 pHdr80211->Duration = 0;
429 pHdr80211->FC.Type = BTYPE_DATA;
430 pHdr80211->FC.PwrMgmt = (pAd->StaCfg.Psm == PWR_SAVE);
431
432 // Send using priority queue
433 MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
434 DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame\n"));
435 MlmeFreeMemory(pAd, pOutBuffer);
436 RTMPusecDelay(5000);
437 }
438 }
439
440 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
441 Status = MLME_SUCCESS;
442 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
443 }
444
445 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
446 }
447 else
448 {
449 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
450 {
451 // BBP and RF are not accessible in PS mode, we has to wake them up first
452 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
453 AsicForceWakeup(pAd, FROM_TX);
454
455 // leave PSM during scanning. otherwise we may lost ProbeRsp & BEACON
456 if (pAd->StaCfg.Psm == PWR_SAVE)
457 MlmeSetPsmBit(pAd, PWR_ACTIVE);
458 }
459
460 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE);
461 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
462
463 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
464 {
465 if (pAd->MlmeAux.Channel > 14)
466 {
467 if ((pAd->CommonCfg.bIEEE80211H == 1) && RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
468 {
469 ScanType = SCAN_PASSIVE;
470 ScanTimeIn5gChannel = MIN_CHANNEL_TIME;
471 }
472 }
473 }
474
475 //Global country domain(ch1-11:active scan, ch12-14 passive scan)
476 if ((pAd->MlmeAux.Channel <= 14) && (pAd->MlmeAux.Channel >= 12) && ((pAd->CommonCfg.CountryRegion & 0x7f) == REGION_31_BG_BAND))
477 {
478 ScanType = SCAN_PASSIVE;
479 }
480
481 // We need to shorten active scan time in order for WZC connect issue
482 // Chnage the channel scan time for CISCO stuff based on its IAPP announcement
483 if (ScanType == FAST_SCAN_ACTIVE)
484 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, FAST_ACTIVE_SCAN_TIME);
485 else if (((ScanType == SCAN_CISCO_ACTIVE) ||
486 (ScanType == SCAN_CISCO_PASSIVE) ||
487 (ScanType == SCAN_CISCO_CHANNEL_LOAD) ||
488 (ScanType == SCAN_CISCO_NOISE)) && (pAd->OpMode == OPMODE_STA))
489 {
490 if (pAd->StaCfg.CCXScanTime < 25)
491 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime * 2);
492 else
493 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime);
494 }
495 else // must be SCAN_PASSIVE or SCAN_ACTIVE
496 {
497 if ((pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED)
498 || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED)
499 )
500 {
501 if (pAd->MlmeAux.Channel > 14)
502 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, ScanTimeIn5gChannel);
503 else
504 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MIN_CHANNEL_TIME);
505 }
506 else
507 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MAX_CHANNEL_TIME);
508 }
509
510 if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE) ||
511 (ScanType == SCAN_CISCO_ACTIVE))
512 {
513 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
514 if (NStatus != NDIS_STATUS_SUCCESS)
515 {
516 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - ScanNextChannel() allocate memory fail\n"));
517
518 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
519 {
520 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
521 Status = MLME_FAIL_NO_RESOURCE;
522 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
523 }
524
525 return;
526 }
527
528 // There is no need to send broadcast probe request if active scan is in effect.
529 if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE)
530 )
531 SsidLen = pAd->MlmeAux.SsidLen;
532 else
533 SsidLen = 0;
534
535 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
536 MakeOutgoingFrame(pOutBuffer, &FrameLen,
537 sizeof(HEADER_802_11), &Hdr80211,
538 1, &SsidIe,
539 1, &SsidLen,
540 SsidLen, pAd->MlmeAux.Ssid,
541 1, &SupRateIe,
542 1, &pAd->CommonCfg.SupRateLen,
543 pAd->CommonCfg.SupRateLen, pAd->CommonCfg.SupRate,
544 END_OF_ARGS);
545
546 if (pAd->CommonCfg.ExtRateLen)
547 {
548 ULONG Tmp;
549 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
550 1, &ExtRateIe,
551 1, &pAd->CommonCfg.ExtRateLen,
552 pAd->CommonCfg.ExtRateLen, pAd->CommonCfg.ExtRate,
553 END_OF_ARGS);
554 FrameLen += Tmp;
555 }
556
557 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
558 {
559 ULONG Tmp;
560 UCHAR HtLen;
561 UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
562
563 if (pAd->bBroadComHT == TRUE)
564 {
565 HtLen = pAd->MlmeAux.HtCapabilityLen + 4;
566
567 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
568 1, &WpaIe,
569 1, &HtLen,
570 4, &BROADCOM[0],
571 pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability,
572 END_OF_ARGS);
573 }
574 else
575 {
576 HtLen = pAd->MlmeAux.HtCapabilityLen;
577
578 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
579 1, &HtCapIe,
580 1, &HtLen,
581 HtLen, &pAd->CommonCfg.HtCapability,
582 END_OF_ARGS);
583 }
584 FrameLen += Tmp;
585 }
586
587 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
588 MlmeFreeMemory(pAd, pOutBuffer);
589 }
590
591 // For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse
592
593 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
594 pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN;
595 }
596 }
597
598 VOID MgtProbReqMacHeaderInit(
599 IN PRTMP_ADAPTER pAd,
600 IN OUT PHEADER_802_11 pHdr80211,
601 IN UCHAR SubType,
602 IN UCHAR ToDs,
603 IN PUCHAR pDA,
604 IN PUCHAR pBssid)
605 {
606 NdisZeroMemory(pHdr80211, sizeof(HEADER_802_11));
607
608 pHdr80211->FC.Type = BTYPE_MGMT;
609 pHdr80211->FC.SubType = SubType;
610 if (SubType == SUBTYPE_ACK)
611 pHdr80211->FC.Type = BTYPE_CNTL;
612 pHdr80211->FC.ToDs = ToDs;
613 COPY_MAC_ADDR(pHdr80211->Addr1, pDA);
614 COPY_MAC_ADDR(pHdr80211->Addr2, pAd->CurrentAddress);
615 COPY_MAC_ADDR(pHdr80211->Addr3, pBssid);
616 }
617
618
Linus' kernel tree