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 */
BuildChannelList(IN PRTMP_ADAPTER pAd)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 #ifdef DOT11_N_SUPPORT
99 && (pAd->CommonCfg.PhyMode != PHY_11AN_MIXED) && (pAd->CommonCfg.PhyMode != PHY_11N_5G)
100 #endif // DOT11_N_SUPPORT //
101 )
102 {
103 switch (pAd->CommonCfg.CountryRegion & 0x7f)
104 {
105 case REGION_0_BG_BAND: // 1 -11
106 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_0_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_0_SIZE);
107 index += BG_BAND_REGION_0_SIZE;
108 break;
109 case REGION_1_BG_BAND: // 1 - 13
110 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_1_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_1_SIZE);
111 index += BG_BAND_REGION_1_SIZE;
112 break;
113 case REGION_2_BG_BAND: // 10 - 11
114 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_2_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_2_SIZE);
115 index += BG_BAND_REGION_2_SIZE;
116 break;
117 case REGION_3_BG_BAND: // 10 - 13
118 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_3_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_3_SIZE);
119 index += BG_BAND_REGION_3_SIZE;
120 break;
121 case REGION_4_BG_BAND: // 14
122 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_4_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_4_SIZE);
123 index += BG_BAND_REGION_4_SIZE;
124 break;
125 case REGION_5_BG_BAND: // 1 - 14
126 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_5_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_5_SIZE);
127 index += BG_BAND_REGION_5_SIZE;
128 break;
129 case REGION_6_BG_BAND: // 3 - 9
130 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_6_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_6_SIZE);
131 index += BG_BAND_REGION_6_SIZE;
132 break;
133 case REGION_7_BG_BAND: // 5 - 13
134 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_7_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_7_SIZE);
135 index += BG_BAND_REGION_7_SIZE;
136 break;
137 case REGION_31_BG_BAND: // 1 - 14
138 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_31_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_31_SIZE);
139 index += BG_BAND_REGION_31_SIZE;
140 break;
141 default: // Error. should never happen
142 break;
143 }
144 for (i=0; i<index; i++)
145 pAd->ChannelList[i].MaxTxPwr = 20;
146 }
147
148 if ((pAd->CommonCfg.PhyMode == PHY_11A) || (pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED)
149 #ifdef DOT11_N_SUPPORT
150 || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AN_MIXED)
151 || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11N_5G)
152 #endif // DOT11_N_SUPPORT //
153 )
154 {
155 switch (pAd->CommonCfg.CountryRegionForABand & 0x7f)
156 {
157 case REGION_0_A_BAND:
158 num = sizeof(A_BAND_REGION_0_CHANNEL_LIST)/sizeof(UCHAR);
159 pChannelList = A_BAND_REGION_0_CHANNEL_LIST;
160 break;
161 case REGION_1_A_BAND:
162 num = sizeof(A_BAND_REGION_1_CHANNEL_LIST)/sizeof(UCHAR);
163 pChannelList = A_BAND_REGION_1_CHANNEL_LIST;
164 break;
165 case REGION_2_A_BAND:
166 num = sizeof(A_BAND_REGION_2_CHANNEL_LIST)/sizeof(UCHAR);
167 pChannelList = A_BAND_REGION_2_CHANNEL_LIST;
168 break;
169 case REGION_3_A_BAND:
170 num = sizeof(A_BAND_REGION_3_CHANNEL_LIST)/sizeof(UCHAR);
171 pChannelList = A_BAND_REGION_3_CHANNEL_LIST;
172 break;
173 case REGION_4_A_BAND:
174 num = sizeof(A_BAND_REGION_4_CHANNEL_LIST)/sizeof(UCHAR);
175 pChannelList = A_BAND_REGION_4_CHANNEL_LIST;
176 break;
177 case REGION_5_A_BAND:
178 num = sizeof(A_BAND_REGION_5_CHANNEL_LIST)/sizeof(UCHAR);
179 pChannelList = A_BAND_REGION_5_CHANNEL_LIST;
180 break;
181 case REGION_6_A_BAND:
182 num = sizeof(A_BAND_REGION_6_CHANNEL_LIST)/sizeof(UCHAR);
183 pChannelList = A_BAND_REGION_6_CHANNEL_LIST;
184 break;
185 case REGION_7_A_BAND:
186 num = sizeof(A_BAND_REGION_7_CHANNEL_LIST)/sizeof(UCHAR);
187 pChannelList = A_BAND_REGION_7_CHANNEL_LIST;
188 break;
189 case REGION_8_A_BAND:
190 num = sizeof(A_BAND_REGION_8_CHANNEL_LIST)/sizeof(UCHAR);
191 pChannelList = A_BAND_REGION_8_CHANNEL_LIST;
192 break;
193 case REGION_9_A_BAND:
194 num = sizeof(A_BAND_REGION_9_CHANNEL_LIST)/sizeof(UCHAR);
195 pChannelList = A_BAND_REGION_9_CHANNEL_LIST;
196 break;
197
198 case REGION_10_A_BAND:
199 num = sizeof(A_BAND_REGION_10_CHANNEL_LIST)/sizeof(UCHAR);
200 pChannelList = A_BAND_REGION_10_CHANNEL_LIST;
201 break;
202
203 case REGION_11_A_BAND:
204 num = sizeof(A_BAND_REGION_11_CHANNEL_LIST)/sizeof(UCHAR);
205 pChannelList = A_BAND_REGION_11_CHANNEL_LIST;
206 break;
207
208 default: // Error. should never happen
209 DBGPRINT(RT_DEBUG_WARN,("countryregion=%d not support", pAd->CommonCfg.CountryRegionForABand));
210 break;
211 }
212
213 if (num != 0)
214 {
215 UCHAR RadarCh[15]={52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140};
216 for (i=0; i<num; i++)
217 {
218 for (j=0; j<MAX_NUM_OF_CHANNELS; j++)
219 {
220 if (pChannelList[i] == pAd->TxPower[j].Channel)
221 NdisMoveMemory(&pAd->ChannelList[index+i], &pAd->TxPower[j], sizeof(CHANNEL_TX_POWER));
222 }
223 for (j=0; j<15; j++)
224 {
225 if (pChannelList[i] == RadarCh[j])
226 pAd->ChannelList[index+i].DfsReq = TRUE;
227 }
228 pAd->ChannelList[index+i].MaxTxPwr = 20;
229 }
230 index += num;
231 }
232 }
233
234 pAd->ChannelListNum = index;
235 DBGPRINT(RT_DEBUG_TRACE,("country code=%d/%d, RFIC=%d, PHY mode=%d, support %d channels\n",
236 pAd->CommonCfg.CountryRegion, pAd->CommonCfg.CountryRegionForABand, pAd->RfIcType, pAd->CommonCfg.PhyMode, pAd->ChannelListNum));
237 #ifdef DBG
238 for (i=0;i<pAd->ChannelListNum;i++)
239 {
240 DBGPRINT_RAW(RT_DEBUG_TRACE,("BuildChannel # %d :: Pwr0 = %d, Pwr1 =%d, \n ", pAd->ChannelList[i].Channel, pAd->ChannelList[i].Power, pAd->ChannelList[i].Power2));
241 }
242 #endif
243 }
244
245 /*
246 ==========================================================================
247 Description:
248 This routine return the first channel number according to the country
249 code selection and RF IC selection (signal band or dual band). It is called
250 whenever driver need to start a site survey of all supported channels.
251 Return:
252 ch - the first channel number of current country code setting
253
254 IRQL = PASSIVE_LEVEL
255
256 ==========================================================================
257 */
FirstChannel(IN PRTMP_ADAPTER pAd)258 UCHAR FirstChannel(
259 IN PRTMP_ADAPTER pAd)
260 {
261 return pAd->ChannelList[0].Channel;
262 }
263
264 /*
265 ==========================================================================
266 Description:
267 This routine returns the next channel number. This routine is called
268 during driver need to start a site survey of all supported channels.
269 Return:
270 next_channel - the next channel number valid in current country code setting.
271 Note:
272 return 0 if no more next channel
273 ==========================================================================
274 */
NextChannel(IN PRTMP_ADAPTER pAd,IN UCHAR channel)275 UCHAR NextChannel(
276 IN PRTMP_ADAPTER pAd,
277 IN UCHAR channel)
278 {
279 int i;
280 UCHAR next_channel = 0;
281
282 for (i = 0; i < (pAd->ChannelListNum - 1); i++)
283 if (channel == pAd->ChannelList[i].Channel)
284 {
285 next_channel = pAd->ChannelList[i+1].Channel;
286 break;
287 }
288 return next_channel;
289 }
290
291 /*
292 ==========================================================================
293 Description:
294 This routine is for Cisco Compatible Extensions 2.X
295 Spec31. AP Control of Client Transmit Power
296 Return:
297 None
298 Note:
299 Required by Aironet dBm(mW)
300 0dBm(1mW), 1dBm(5mW), 13dBm(20mW), 15dBm(30mW),
301 17dBm(50mw), 20dBm(100mW)
302
303 We supported
304 3dBm(Lowest), 6dBm(10%), 9dBm(25%), 12dBm(50%),
305 14dBm(75%), 15dBm(100%)
306
307 The client station's actual transmit power shall be within +/- 5dB of
308 the minimum value or next lower value.
309 ==========================================================================
310 */
ChangeToCellPowerLimit(IN PRTMP_ADAPTER pAd,IN UCHAR AironetCellPowerLimit)311 VOID ChangeToCellPowerLimit(
312 IN PRTMP_ADAPTER pAd,
313 IN UCHAR AironetCellPowerLimit)
314 {
315 //valud 0xFF means that hasn't found power limit information
316 //from the AP's Beacon/Probe response.
317 if (AironetCellPowerLimit == 0xFF)
318 return;
319
320 if (AironetCellPowerLimit < 6) //Used Lowest Power Percentage.
321 pAd->CommonCfg.TxPowerPercentage = 6;
322 else if (AironetCellPowerLimit < 9)
323 pAd->CommonCfg.TxPowerPercentage = 10;
324 else if (AironetCellPowerLimit < 12)
325 pAd->CommonCfg.TxPowerPercentage = 25;
326 else if (AironetCellPowerLimit < 14)
327 pAd->CommonCfg.TxPowerPercentage = 50;
328 else if (AironetCellPowerLimit < 15)
329 pAd->CommonCfg.TxPowerPercentage = 75;
330 else
331 pAd->CommonCfg.TxPowerPercentage = 100; //else used maximum
332
333 if (pAd->CommonCfg.TxPowerPercentage > pAd->CommonCfg.TxPowerDefault)
334 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
335
336 }
337
ConvertToRssi(IN PRTMP_ADAPTER pAd,IN CHAR Rssi,IN UCHAR RssiNumber)338 CHAR ConvertToRssi(
339 IN PRTMP_ADAPTER pAd,
340 IN CHAR Rssi,
341 IN UCHAR RssiNumber)
342 {
343 UCHAR RssiOffset, LNAGain;
344
345 // Rssi equals to zero should be an invalid value
346 if (Rssi == 0)
347 return -99;
348
349 LNAGain = GET_LNA_GAIN(pAd);
350 if (pAd->LatchRfRegs.Channel > 14)
351 {
352 if (RssiNumber == 0)
353 RssiOffset = pAd->ARssiOffset0;
354 else if (RssiNumber == 1)
355 RssiOffset = pAd->ARssiOffset1;
356 else
357 RssiOffset = pAd->ARssiOffset2;
358 }
359 else
360 {
361 if (RssiNumber == 0)
362 RssiOffset = pAd->BGRssiOffset0;
363 else if (RssiNumber == 1)
364 RssiOffset = pAd->BGRssiOffset1;
365 else
366 RssiOffset = pAd->BGRssiOffset2;
367 }
368
369 return (-12 - RssiOffset - LNAGain - Rssi);
370 }
371
372 /*
373 ==========================================================================
374 Description:
375 Scan next channel
376 ==========================================================================
377 */
ScanNextChannel(IN PRTMP_ADAPTER pAd)378 VOID ScanNextChannel(
379 IN PRTMP_ADAPTER pAd)
380 {
381 HEADER_802_11 Hdr80211;
382 PUCHAR pOutBuffer = NULL;
383 NDIS_STATUS NStatus;
384 ULONG FrameLen = 0;
385 UCHAR SsidLen = 0, ScanType = pAd->MlmeAux.ScanType, BBPValue = 0;
386 #ifdef CONFIG_STA_SUPPORT
387 USHORT Status;
388 PHEADER_802_11 pHdr80211;
389 #endif // CONFIG_STA_SUPPORT //
390 UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
391
392 #ifdef CONFIG_STA_SUPPORT
393 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
394 {
395 if (MONITOR_ON(pAd))
396 return;
397 }
398 #endif // CONFIG_STA_SUPPORT //
399
400 #ifdef RALINK_ATE
401 // Nothing to do in ATE mode.
402 if (ATE_ON(pAd))
403 return;
404 #endif // RALINK_ATE //
405
406 if (pAd->MlmeAux.Channel == 0)
407 {
408 if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
409 #ifdef CONFIG_STA_SUPPORT
410 && (INFRA_ON(pAd)
411 || (pAd->OpMode == OPMODE_AP))
412 #endif // CONFIG_STA_SUPPORT //
413 )
414 {
415 AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
416 AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
417 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
418 BBPValue &= (~0x18);
419 BBPValue |= 0x10;
420 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
421 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
422 }
423 else
424 {
425 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
426 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
427 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to channel %d, Total BSS[%02d]\n",pAd->CommonCfg.Channel, pAd->ScanTab.BssNr));
428 }
429
430 #ifdef CONFIG_STA_SUPPORT
431 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
432 {
433 //
434 // To prevent data lost.
435 // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
436 // Now, we need to send an NULL data with turned PSM bit off to AP, when scan progress done
437 //
438 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
439 {
440 NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
441 if (NStatus == NDIS_STATUS_SUCCESS)
442 {
443 pHdr80211 = (PHEADER_802_11) pOutBuffer;
444 MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
445 pHdr80211->Duration = 0;
446 pHdr80211->FC.Type = BTYPE_DATA;
447 pHdr80211->FC.PwrMgmt = (pAd->StaCfg.Psm == PWR_SAVE);
448
449 // Send using priority queue
450 MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
451 DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame\n"));
452 MlmeFreeMemory(pAd, pOutBuffer);
453 RTMPusecDelay(5000);
454 }
455 }
456
457 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
458 Status = MLME_SUCCESS;
459 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
460 }
461 #endif // CONFIG_STA_SUPPORT //
462
463
464 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
465 }
466 else
467 {
468 #ifdef CONFIG_STA_SUPPORT
469 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
470 {
471 // BBP and RF are not accessible in PS mode, we has to wake them up first
472 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
473 AsicForceWakeup(pAd, TRUE);
474
475 // leave PSM during scanning. otherwise we may lost ProbeRsp & BEACON
476 if (pAd->StaCfg.Psm == PWR_SAVE)
477 MlmeSetPsmBit(pAd, PWR_ACTIVE);
478 }
479 #endif // CONFIG_STA_SUPPORT //
480
481 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE);
482 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
483
484 #ifdef CONFIG_STA_SUPPORT
485 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
486 {
487 if (pAd->MlmeAux.Channel > 14)
488 {
489 if ((pAd->CommonCfg.bIEEE80211H == 1) && RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
490 {
491 ScanType = SCAN_PASSIVE;
492 ScanTimeIn5gChannel = MIN_CHANNEL_TIME;
493 }
494 }
495
496 #ifdef CARRIER_DETECTION_SUPPORT // Roger sync Carrier
497 // carrier detection
498 if (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
499 {
500 ScanType = SCAN_PASSIVE;
501 ScanTimeIn5gChannel = MIN_CHANNEL_TIME;
502 }
503 #endif // CARRIER_DETECTION_SUPPORT //
504 }
505
506 #endif // CONFIG_STA_SUPPORT //
507
508 //Global country domain(ch1-11:active scan, ch12-14 passive scan)
509 if ((pAd->MlmeAux.Channel <= 14) && (pAd->MlmeAux.Channel >= 12) && ((pAd->CommonCfg.CountryRegion & 0x7f) == REGION_31_BG_BAND))
510 {
511 ScanType = SCAN_PASSIVE;
512 }
513
514 // We need to shorten active scan time in order for WZC connect issue
515 // Chnage the channel scan time for CISCO stuff based on its IAPP announcement
516 if (ScanType == FAST_SCAN_ACTIVE)
517 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, FAST_ACTIVE_SCAN_TIME);
518 #ifdef CONFIG_STA_SUPPORT
519 else if (((ScanType == SCAN_CISCO_ACTIVE) ||
520 (ScanType == SCAN_CISCO_PASSIVE) ||
521 (ScanType == SCAN_CISCO_CHANNEL_LOAD) ||
522 (ScanType == SCAN_CISCO_NOISE)) && (pAd->OpMode == OPMODE_STA))
523 {
524 if (pAd->StaCfg.CCXScanTime < 25)
525 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime * 2);
526 else
527 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime);
528 }
529 #endif // CONFIG_STA_SUPPORT //
530 else // must be SCAN_PASSIVE or SCAN_ACTIVE
531 {
532 if ((pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED)
533 #ifdef DOT11_N_SUPPORT
534 || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED)
535 #endif // DOT11_N_SUPPORT //
536 )
537 {
538 if (pAd->MlmeAux.Channel > 14)
539 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, ScanTimeIn5gChannel);
540 else
541 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MIN_CHANNEL_TIME);
542 }
543 else
544 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MAX_CHANNEL_TIME);
545 }
546
547 if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE) ||
548 (ScanType == SCAN_CISCO_ACTIVE))
549 {
550 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
551 if (NStatus != NDIS_STATUS_SUCCESS)
552 {
553 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - ScanNextChannel() allocate memory fail\n"));
554 #ifdef CONFIG_STA_SUPPORT
555 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
556 {
557 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
558 Status = MLME_FAIL_NO_RESOURCE;
559 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
560 }
561 #endif // CONFIG_STA_SUPPORT //
562
563 return;
564 }
565
566 // There is no need to send broadcast probe request if active scan is in effect.
567 if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE)
568 )
569 SsidLen = pAd->MlmeAux.SsidLen;
570 else
571 SsidLen = 0;
572
573 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
574 MakeOutgoingFrame(pOutBuffer, &FrameLen,
575 sizeof(HEADER_802_11), &Hdr80211,
576 1, &SsidIe,
577 1, &SsidLen,
578 SsidLen, pAd->MlmeAux.Ssid,
579 1, &SupRateIe,
580 1, &pAd->CommonCfg.SupRateLen,
581 pAd->CommonCfg.SupRateLen, pAd->CommonCfg.SupRate,
582 END_OF_ARGS);
583
584 if (pAd->CommonCfg.ExtRateLen)
585 {
586 ULONG Tmp;
587 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
588 1, &ExtRateIe,
589 1, &pAd->CommonCfg.ExtRateLen,
590 pAd->CommonCfg.ExtRateLen, pAd->CommonCfg.ExtRate,
591 END_OF_ARGS);
592 FrameLen += Tmp;
593 }
594
595 #ifdef DOT11_N_SUPPORT
596 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
597 {
598 ULONG Tmp;
599 UCHAR HtLen;
600 UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
601 #ifdef RT_BIG_ENDIAN
602 HT_CAPABILITY_IE HtCapabilityTmp;
603 #endif
604 if (pAd->bBroadComHT == TRUE)
605 {
606 HtLen = pAd->MlmeAux.HtCapabilityLen + 4;
607 #ifdef RT_BIG_ENDIAN
608 NdisMoveMemory(&HtCapabilityTmp, &pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
609 *(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
610 *(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
611
612 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
613 1, &WpaIe,
614 1, &HtLen,
615 4, &BROADCOM[0],
616 pAd->MlmeAux.HtCapabilityLen, &HtCapabilityTmp,
617 END_OF_ARGS);
618 #else
619 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
620 1, &WpaIe,
621 1, &HtLen,
622 4, &BROADCOM[0],
623 pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability,
624 END_OF_ARGS);
625 #endif // RT_BIG_ENDIAN //
626 }
627 else
628 {
629 HtLen = pAd->MlmeAux.HtCapabilityLen;
630 #ifdef RT_BIG_ENDIAN
631 NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.HtCapability, SIZE_HT_CAP_IE);
632 *(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
633 *(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
634
635 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
636 1, &HtCapIe,
637 1, &HtLen,
638 HtLen, &HtCapabilityTmp,
639 END_OF_ARGS);
640 #else
641 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
642 1, &HtCapIe,
643 1, &HtLen,
644 HtLen, &pAd->CommonCfg.HtCapability,
645 END_OF_ARGS);
646 #endif // RT_BIG_ENDIAN //
647 }
648 FrameLen += Tmp;
649
650 #ifdef DOT11N_DRAFT3
651 if (pAd->CommonCfg.BACapability.field.b2040CoexistScanSup == 1)
652 {
653 ULONG Tmp;
654 HtLen = 1;
655 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
656 1, &ExtHtCapIe,
657 1, &HtLen,
658 1, &pAd->CommonCfg.BSSCoexist2040.word,
659 END_OF_ARGS);
660
661 FrameLen += Tmp;
662 }
663 #endif // DOT11N_DRAFT3 //
664 }
665 #endif // DOT11_N_SUPPORT //
666
667
668 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
669 MlmeFreeMemory(pAd, pOutBuffer);
670 }
671
672 // For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse
673
674 #ifdef CONFIG_STA_SUPPORT
675 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
676 pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN;
677 #endif // CONFIG_STA_SUPPORT //
678
679 }
680 }
681
MgtProbReqMacHeaderInit(IN PRTMP_ADAPTER pAd,IN OUT PHEADER_802_11 pHdr80211,IN UCHAR SubType,IN UCHAR ToDs,IN PUCHAR pDA,IN PUCHAR pBssid)682 VOID MgtProbReqMacHeaderInit(
683 IN PRTMP_ADAPTER pAd,
684 IN OUT PHEADER_802_11 pHdr80211,
685 IN UCHAR SubType,
686 IN UCHAR ToDs,
687 IN PUCHAR pDA,
688 IN PUCHAR pBssid)
689 {
690 NdisZeroMemory(pHdr80211, sizeof(HEADER_802_11));
691
692 pHdr80211->FC.Type = BTYPE_MGMT;
693 pHdr80211->FC.SubType = SubType;
694 if (SubType == SUBTYPE_ACK)
695 pHdr80211->FC.Type = BTYPE_CNTL;
696 pHdr80211->FC.ToDs = ToDs;
697 COPY_MAC_ADDR(pHdr80211->Addr1, pDA);
698 COPY_MAC_ADDR(pHdr80211->Addr2, pAd->CurrentAddress);
699 COPY_MAC_ADDR(pHdr80211->Addr3, pBssid);
700 }
701
702
703