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 mlme.c
29
30 Abstract:
31
32 Revision History:
33 Who When What
34 -------- ---------- ----------------------------------------------
35 John Chang 2004-08-25 Modify from RT2500 code base
36 John Chang 2004-09-06 modified for RT2600
37 */
38
39 #include "../rt_config.h"
40 #include <stdarg.h>
41 #include <linux/kernel.h>
42
43 u8 CISCO_OUI[] = { 0x00, 0x40, 0x96 };
44
45 u8 WPA_OUI[] = { 0x00, 0x50, 0xf2, 0x01 };
46 u8 RSN_OUI[] = { 0x00, 0x0f, 0xac };
47 u8 WME_INFO_ELEM[] = { 0x00, 0x50, 0xf2, 0x02, 0x00, 0x01 };
48 u8 WME_PARM_ELEM[] = { 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01 };
49 u8 Ccx2QosInfo[] = { 0x00, 0x40, 0x96, 0x04 };
50 u8 RALINK_OUI[] = { 0x00, 0x0c, 0x43 };
51 u8 BROADCOM_OUI[] = { 0x00, 0x90, 0x4c };
52 u8 WPS_OUI[] = { 0x00, 0x50, 0xf2, 0x04 };
53 u8 PRE_N_HT_OUI[] = { 0x00, 0x90, 0x4c };
54
55 u8 RateSwitchTable[] = {
56 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
57 0x11, 0x00, 0, 0, 0, /* Initial used item after association */
58 0x00, 0x00, 0, 40, 101,
59 0x01, 0x00, 1, 40, 50,
60 0x02, 0x00, 2, 35, 45,
61 0x03, 0x00, 3, 20, 45,
62 0x04, 0x21, 0, 30, 50,
63 0x05, 0x21, 1, 20, 50,
64 0x06, 0x21, 2, 20, 50,
65 0x07, 0x21, 3, 15, 50,
66 0x08, 0x21, 4, 15, 30,
67 0x09, 0x21, 5, 10, 25,
68 0x0a, 0x21, 6, 8, 25,
69 0x0b, 0x21, 7, 8, 25,
70 0x0c, 0x20, 12, 15, 30,
71 0x0d, 0x20, 13, 8, 20,
72 0x0e, 0x20, 14, 8, 20,
73 0x0f, 0x20, 15, 8, 25,
74 0x10, 0x22, 15, 8, 25,
75 0x11, 0x00, 0, 0, 0,
76 0x12, 0x00, 0, 0, 0,
77 0x13, 0x00, 0, 0, 0,
78 0x14, 0x00, 0, 0, 0,
79 0x15, 0x00, 0, 0, 0,
80 0x16, 0x00, 0, 0, 0,
81 0x17, 0x00, 0, 0, 0,
82 0x18, 0x00, 0, 0, 0,
83 0x19, 0x00, 0, 0, 0,
84 0x1a, 0x00, 0, 0, 0,
85 0x1b, 0x00, 0, 0, 0,
86 0x1c, 0x00, 0, 0, 0,
87 0x1d, 0x00, 0, 0, 0,
88 0x1e, 0x00, 0, 0, 0,
89 0x1f, 0x00, 0, 0, 0,
90 };
91
92 u8 RateSwitchTable11B[] = {
93 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
94 0x04, 0x03, 0, 0, 0, /* Initial used item after association */
95 0x00, 0x00, 0, 40, 101,
96 0x01, 0x00, 1, 40, 50,
97 0x02, 0x00, 2, 35, 45,
98 0x03, 0x00, 3, 20, 45,
99 };
100
101 u8 RateSwitchTable11BG[] = {
102 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
103 0x0a, 0x00, 0, 0, 0, /* Initial used item after association */
104 0x00, 0x00, 0, 40, 101,
105 0x01, 0x00, 1, 40, 50,
106 0x02, 0x00, 2, 35, 45,
107 0x03, 0x00, 3, 20, 45,
108 0x04, 0x10, 2, 20, 35,
109 0x05, 0x10, 3, 16, 35,
110 0x06, 0x10, 4, 10, 25,
111 0x07, 0x10, 5, 16, 25,
112 0x08, 0x10, 6, 10, 25,
113 0x09, 0x10, 7, 10, 13,
114 };
115
116 u8 RateSwitchTable11G[] = {
117 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
118 0x08, 0x00, 0, 0, 0, /* Initial used item after association */
119 0x00, 0x10, 0, 20, 101,
120 0x01, 0x10, 1, 20, 35,
121 0x02, 0x10, 2, 20, 35,
122 0x03, 0x10, 3, 16, 35,
123 0x04, 0x10, 4, 10, 25,
124 0x05, 0x10, 5, 16, 25,
125 0x06, 0x10, 6, 10, 25,
126 0x07, 0x10, 7, 10, 13,
127 };
128
129 u8 RateSwitchTable11N1S[] = {
130 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
131 0x0c, 0x0a, 0, 0, 0, /* Initial used item after association */
132 0x00, 0x00, 0, 40, 101,
133 0x01, 0x00, 1, 40, 50,
134 0x02, 0x00, 2, 25, 45,
135 0x03, 0x21, 0, 20, 35,
136 0x04, 0x21, 1, 20, 35,
137 0x05, 0x21, 2, 20, 35,
138 0x06, 0x21, 3, 15, 35,
139 0x07, 0x21, 4, 15, 30,
140 0x08, 0x21, 5, 10, 25,
141 0x09, 0x21, 6, 8, 14,
142 0x0a, 0x21, 7, 8, 14,
143 0x0b, 0x23, 7, 8, 14,
144 };
145
146 u8 RateSwitchTable11N2S[] = {
147 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
148 0x0e, 0x0c, 0, 0, 0, /* Initial used item after association */
149 0x00, 0x00, 0, 40, 101,
150 0x01, 0x00, 1, 40, 50,
151 0x02, 0x00, 2, 25, 45,
152 0x03, 0x21, 0, 20, 35,
153 0x04, 0x21, 1, 20, 35,
154 0x05, 0x21, 2, 20, 35,
155 0x06, 0x21, 3, 15, 35,
156 0x07, 0x21, 4, 15, 30,
157 0x08, 0x20, 11, 15, 30,
158 0x09, 0x20, 12, 15, 30,
159 0x0a, 0x20, 13, 8, 20,
160 0x0b, 0x20, 14, 8, 20,
161 0x0c, 0x20, 15, 8, 25,
162 0x0d, 0x22, 15, 8, 15,
163 };
164
165 u8 RateSwitchTable11N3S[] = {
166 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
167 0x0b, 0x00, 0, 0, 0, /* 0x0a, 0x00, 0, 0, 0, // Initial used item after association */
168 0x00, 0x21, 0, 30, 101,
169 0x01, 0x21, 1, 20, 50,
170 0x02, 0x21, 2, 20, 50,
171 0x03, 0x21, 3, 15, 50,
172 0x04, 0x21, 4, 15, 30,
173 0x05, 0x20, 11, 15, 30, /* Required by System-Alan @ 20080812 */
174 0x06, 0x20, 12, 15, 30, /* 0x05, 0x20, 12, 15, 30, */
175 0x07, 0x20, 13, 8, 20, /* 0x06, 0x20, 13, 8, 20, */
176 0x08, 0x20, 14, 8, 20, /* 0x07, 0x20, 14, 8, 20, */
177 0x09, 0x20, 15, 8, 25, /* 0x08, 0x20, 15, 8, 25, */
178 0x0a, 0x22, 15, 8, 25, /* 0x09, 0x22, 15, 8, 25, */
179 };
180
181 u8 RateSwitchTable11N2SForABand[] = {
182 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
183 0x0b, 0x09, 0, 0, 0, /* Initial used item after association */
184 0x00, 0x21, 0, 30, 101,
185 0x01, 0x21, 1, 20, 50,
186 0x02, 0x21, 2, 20, 50,
187 0x03, 0x21, 3, 15, 50,
188 0x04, 0x21, 4, 15, 30,
189 0x05, 0x21, 5, 15, 30,
190 0x06, 0x20, 12, 15, 30,
191 0x07, 0x20, 13, 8, 20,
192 0x08, 0x20, 14, 8, 20,
193 0x09, 0x20, 15, 8, 25,
194 0x0a, 0x22, 15, 8, 25,
195 };
196
197 u8 RateSwitchTable11N3SForABand[] = { /* 3*3 */
198 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
199 0x0b, 0x09, 0, 0, 0, /* Initial used item after association */
200 0x00, 0x21, 0, 30, 101,
201 0x01, 0x21, 1, 20, 50,
202 0x02, 0x21, 2, 20, 50,
203 0x03, 0x21, 3, 15, 50,
204 0x04, 0x21, 4, 15, 30,
205 0x05, 0x21, 5, 15, 30,
206 0x06, 0x20, 12, 15, 30,
207 0x07, 0x20, 13, 8, 20,
208 0x08, 0x20, 14, 8, 20,
209 0x09, 0x20, 15, 8, 25,
210 0x0a, 0x22, 15, 8, 25,
211 };
212
213 u8 RateSwitchTable11BGN1S[] = {
214 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
215 0x0c, 0x0a, 0, 0, 0, /* Initial used item after association */
216 0x00, 0x00, 0, 40, 101,
217 0x01, 0x00, 1, 40, 50,
218 0x02, 0x00, 2, 25, 45,
219 0x03, 0x21, 0, 20, 35,
220 0x04, 0x21, 1, 20, 35,
221 0x05, 0x21, 2, 20, 35,
222 0x06, 0x21, 3, 15, 35,
223 0x07, 0x21, 4, 15, 30,
224 0x08, 0x21, 5, 10, 25,
225 0x09, 0x21, 6, 8, 14,
226 0x0a, 0x21, 7, 8, 14,
227 0x0b, 0x23, 7, 8, 14,
228 };
229
230 u8 RateSwitchTable11BGN2S[] = {
231 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
232 0x0e, 0x0c, 0, 0, 0, /* Initial used item after association */
233 0x00, 0x00, 0, 40, 101,
234 0x01, 0x00, 1, 40, 50,
235 0x02, 0x00, 2, 25, 45,
236 0x03, 0x21, 0, 20, 35,
237 0x04, 0x21, 1, 20, 35,
238 0x05, 0x21, 2, 20, 35,
239 0x06, 0x21, 3, 15, 35,
240 0x07, 0x21, 4, 15, 30,
241 0x08, 0x20, 11, 15, 30,
242 0x09, 0x20, 12, 15, 30,
243 0x0a, 0x20, 13, 8, 20,
244 0x0b, 0x20, 14, 8, 20,
245 0x0c, 0x20, 15, 8, 25,
246 0x0d, 0x22, 15, 8, 15,
247 };
248
249 u8 RateSwitchTable11BGN3S[] = { /* 3*3 */
250 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
251 0x0a, 0x00, 0, 0, 0, /* Initial used item after association */
252 0x00, 0x21, 0, 30, 101, /*50 */
253 0x01, 0x21, 1, 20, 50,
254 0x02, 0x21, 2, 20, 50,
255 0x03, 0x21, 3, 20, 50,
256 0x04, 0x21, 4, 15, 50,
257 0x05, 0x20, 20, 15, 30,
258 0x06, 0x20, 21, 8, 20,
259 0x07, 0x20, 22, 8, 20,
260 0x08, 0x20, 23, 8, 25,
261 0x09, 0x22, 23, 8, 25,
262 };
263
264 u8 RateSwitchTable11BGN2SForABand[] = {
265 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
266 0x0b, 0x09, 0, 0, 0, /* Initial used item after association */
267 0x00, 0x21, 0, 30, 101, /*50 */
268 0x01, 0x21, 1, 20, 50,
269 0x02, 0x21, 2, 20, 50,
270 0x03, 0x21, 3, 15, 50,
271 0x04, 0x21, 4, 15, 30,
272 0x05, 0x21, 5, 15, 30,
273 0x06, 0x20, 12, 15, 30,
274 0x07, 0x20, 13, 8, 20,
275 0x08, 0x20, 14, 8, 20,
276 0x09, 0x20, 15, 8, 25,
277 0x0a, 0x22, 15, 8, 25,
278 };
279
280 u8 RateSwitchTable11BGN3SForABand[] = { /* 3*3 */
281 /* Item No. Mode Curr-MCS TrainUp TrainDown // Mode- Bit0: STBC, Bit1: Short GI, Bit4,5: Mode(0:CCK, 1:OFDM, 2:HT Mix, 3:HT GF) */
282 0x0c, 0x09, 0, 0, 0, /* Initial used item after association */
283 0x00, 0x21, 0, 30, 101, /*50 */
284 0x01, 0x21, 1, 20, 50,
285 0x02, 0x21, 2, 20, 50,
286 0x03, 0x21, 3, 15, 50,
287 0x04, 0x21, 4, 15, 30,
288 0x05, 0x21, 5, 15, 30,
289 0x06, 0x21, 12, 15, 30,
290 0x07, 0x20, 20, 15, 30,
291 0x08, 0x20, 21, 8, 20,
292 0x09, 0x20, 22, 8, 20,
293 0x0a, 0x20, 23, 8, 25,
294 0x0b, 0x22, 23, 8, 25,
295 };
296
297 extern u8 OfdmRateToRxwiMCS[];
298 /* since RT61 has better RX sensibility, we have to limit TX ACK rate not to exceed our normal data TX rate. */
299 /* otherwise the WLAN peer may not be able to receive the ACK thus downgrade its data TX rate */
300 unsigned long BasicRateMask[12] =
301 { 0xfffff001 /* 1-Mbps */ , 0xfffff003 /* 2 Mbps */ , 0xfffff007 /* 5.5 */ ,
302 0xfffff00f /* 11 */ ,
303 0xfffff01f /* 6 */ , 0xfffff03f /* 9 */ , 0xfffff07f /* 12 */ ,
304 0xfffff0ff /* 18 */ ,
305 0xfffff1ff /* 24 */ , 0xfffff3ff /* 36 */ , 0xfffff7ff /* 48 */ ,
306 0xffffffff /* 54 */
307 };
308
309 u8 BROADCAST_ADDR[MAC_ADDR_LEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
310 u8 ZERO_MAC_ADDR[MAC_ADDR_LEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
311
312 /* e.g. RssiSafeLevelForTxRate[RATE_36]" means if the current RSSI is greater than */
313 /* this value, then it's quaranteed capable of operating in 36 mbps TX rate in */
314 /* clean environment. */
315 /* TxRate: 1 2 5.5 11 6 9 12 18 24 36 48 54 72 100 */
316 char RssiSafeLevelForTxRate[] =
317 { -92, -91, -90, -87, -88, -86, -85, -83, -81, -78, -72, -71, -40, -40 };
318
319 u8 RateIdToMbps[] = { 1, 2, 5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 72, 100 };
320 u16 RateIdTo500Kbps[] =
321 { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 144, 200 };
322
323 u8 SsidIe = IE_SSID;
324 u8 SupRateIe = IE_SUPP_RATES;
325 u8 ExtRateIe = IE_EXT_SUPP_RATES;
326 u8 HtCapIe = IE_HT_CAP;
327 u8 AddHtInfoIe = IE_ADD_HT;
328 u8 NewExtChanIe = IE_SECONDARY_CH_OFFSET;
329 u8 ErpIe = IE_ERP;
330 u8 DsIe = IE_DS_PARM;
331 u8 TimIe = IE_TIM;
332 u8 WpaIe = IE_WPA;
333 u8 Wpa2Ie = IE_WPA2;
334 u8 IbssIe = IE_IBSS_PARM;
335
336 extern u8 WPA_OUI[];
337
338 u8 SES_OUI[] = { 0x00, 0x90, 0x4c };
339
340 u8 ZeroSsid[32] =
341 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
342 0x00, 0x00, 0x00, 0x00,
343 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
344 0x00, 0x00, 0x00, 0x00
345 };
346
347 /*
348 ==========================================================================
349 Description:
350 initialize the MLME task and its data structure (queue, spinlock,
351 timer, state machines).
352
353 IRQL = PASSIVE_LEVEL
354
355 Return:
356 always return NDIS_STATUS_SUCCESS
357
358 ==========================================================================
359 */
MlmeInit(struct rt_rtmp_adapter * pAd)360 int MlmeInit(struct rt_rtmp_adapter *pAd)
361 {
362 int Status = NDIS_STATUS_SUCCESS;
363
364 DBGPRINT(RT_DEBUG_TRACE, ("--> MLME Initialize\n"));
365
366 do {
367 Status = MlmeQueueInit(&pAd->Mlme.Queue);
368 if (Status != NDIS_STATUS_SUCCESS)
369 break;
370
371 pAd->Mlme.bRunning = FALSE;
372 NdisAllocateSpinLock(&pAd->Mlme.TaskLock);
373
374 {
375 BssTableInit(&pAd->ScanTab);
376
377 /* init STA state machines */
378 AssocStateMachineInit(pAd, &pAd->Mlme.AssocMachine,
379 pAd->Mlme.AssocFunc);
380 AuthStateMachineInit(pAd, &pAd->Mlme.AuthMachine,
381 pAd->Mlme.AuthFunc);
382 AuthRspStateMachineInit(pAd, &pAd->Mlme.AuthRspMachine,
383 pAd->Mlme.AuthRspFunc);
384 SyncStateMachineInit(pAd, &pAd->Mlme.SyncMachine,
385 pAd->Mlme.SyncFunc);
386
387 /* Since we are using switch/case to implement it, the init is different from the above */
388 /* state machine init */
389 MlmeCntlInit(pAd, &pAd->Mlme.CntlMachine, NULL);
390 }
391
392 WpaStateMachineInit(pAd, &pAd->Mlme.WpaMachine,
393 pAd->Mlme.WpaFunc);
394
395 ActionStateMachineInit(pAd, &pAd->Mlme.ActMachine,
396 pAd->Mlme.ActFunc);
397
398 /* Init mlme periodic timer */
399 RTMPInitTimer(pAd, &pAd->Mlme.PeriodicTimer,
400 GET_TIMER_FUNCTION(MlmePeriodicExec), pAd, TRUE);
401
402 /* Set mlme periodic timer */
403 RTMPSetTimer(&pAd->Mlme.PeriodicTimer, MLME_TASK_EXEC_INTV);
404
405 /* software-based RX Antenna diversity */
406 RTMPInitTimer(pAd, &pAd->Mlme.RxAntEvalTimer,
407 GET_TIMER_FUNCTION(AsicRxAntEvalTimeout), pAd,
408 FALSE);
409
410 {
411 #ifdef RTMP_PCI_SUPPORT
412 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) {
413 /* only PCIe cards need these two timers */
414 RTMPInitTimer(pAd, &pAd->Mlme.PsPollTimer,
415 GET_TIMER_FUNCTION
416 (PsPollWakeExec), pAd, FALSE);
417 RTMPInitTimer(pAd, &pAd->Mlme.RadioOnOffTimer,
418 GET_TIMER_FUNCTION(RadioOnExec),
419 pAd, FALSE);
420 }
421 #endif /* RTMP_PCI_SUPPORT // */
422
423 RTMPInitTimer(pAd, &pAd->Mlme.LinkDownTimer,
424 GET_TIMER_FUNCTION(LinkDownExec), pAd,
425 FALSE);
426
427 #ifdef RTMP_MAC_USB
428 RTMPInitTimer(pAd, &pAd->Mlme.AutoWakeupTimer,
429 GET_TIMER_FUNCTION
430 (RtmpUsbStaAsicForceWakeupTimeout), pAd,
431 FALSE);
432 pAd->Mlme.AutoWakeupTimerRunning = FALSE;
433 #endif /* RTMP_MAC_USB // */
434 }
435
436 } while (FALSE);
437
438 DBGPRINT(RT_DEBUG_TRACE, ("<-- MLME Initialize\n"));
439
440 return Status;
441 }
442
443 /*
444 ==========================================================================
445 Description:
446 main loop of the MLME
447 Pre:
448 Mlme has to be initialized, and there are something inside the queue
449 Note:
450 This function is invoked from MPSetInformation and MPReceive;
451 This task guarantee only one MlmeHandler will run.
452
453 IRQL = DISPATCH_LEVEL
454
455 ==========================================================================
456 */
MlmeHandler(struct rt_rtmp_adapter * pAd)457 void MlmeHandler(struct rt_rtmp_adapter *pAd)
458 {
459 struct rt_mlme_queue_elem *Elem = NULL;
460
461 /* Only accept MLME and Frame from peer side, no other (control/data) frame should */
462 /* get into this state machine */
463
464 NdisAcquireSpinLock(&pAd->Mlme.TaskLock);
465 if (pAd->Mlme.bRunning) {
466 NdisReleaseSpinLock(&pAd->Mlme.TaskLock);
467 return;
468 } else {
469 pAd->Mlme.bRunning = TRUE;
470 }
471 NdisReleaseSpinLock(&pAd->Mlme.TaskLock);
472
473 while (!MlmeQueueEmpty(&pAd->Mlme.Queue)) {
474 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_MLME_RESET_IN_PROGRESS) ||
475 RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS) ||
476 RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) {
477 DBGPRINT(RT_DEBUG_TRACE,
478 ("Device Halted or Removed or MlmeRest, exit MlmeHandler! (queue num = %ld)\n",
479 pAd->Mlme.Queue.Num));
480 break;
481 }
482 /*From message type, determine which state machine I should drive */
483 if (MlmeDequeue(&pAd->Mlme.Queue, &Elem)) {
484 #ifdef RTMP_MAC_USB
485 if (Elem->MsgType == MT2_RESET_CONF) {
486 DBGPRINT_RAW(RT_DEBUG_TRACE,
487 ("reset MLME state machine!\n"));
488 MlmeRestartStateMachine(pAd);
489 Elem->Occupied = FALSE;
490 Elem->MsgLen = 0;
491 continue;
492 }
493 #endif /* RTMP_MAC_USB // */
494
495 /* if dequeue success */
496 switch (Elem->Machine) {
497 /* STA state machines */
498 case ASSOC_STATE_MACHINE:
499 StateMachinePerformAction(pAd,
500 &pAd->Mlme.
501 AssocMachine, Elem);
502 break;
503 case AUTH_STATE_MACHINE:
504 StateMachinePerformAction(pAd,
505 &pAd->Mlme.
506 AuthMachine, Elem);
507 break;
508 case AUTH_RSP_STATE_MACHINE:
509 StateMachinePerformAction(pAd,
510 &pAd->Mlme.
511 AuthRspMachine, Elem);
512 break;
513 case SYNC_STATE_MACHINE:
514 StateMachinePerformAction(pAd,
515 &pAd->Mlme.
516 SyncMachine, Elem);
517 break;
518 case MLME_CNTL_STATE_MACHINE:
519 MlmeCntlMachinePerformAction(pAd,
520 &pAd->Mlme.
521 CntlMachine, Elem);
522 break;
523 case WPA_PSK_STATE_MACHINE:
524 StateMachinePerformAction(pAd,
525 &pAd->Mlme.
526 WpaPskMachine, Elem);
527 break;
528
529 case ACTION_STATE_MACHINE:
530 StateMachinePerformAction(pAd,
531 &pAd->Mlme.ActMachine,
532 Elem);
533 break;
534
535 case WPA_STATE_MACHINE:
536 StateMachinePerformAction(pAd,
537 &pAd->Mlme.WpaMachine,
538 Elem);
539 break;
540
541 default:
542 DBGPRINT(RT_DEBUG_TRACE,
543 ("ERROR: Illegal machine %ld in MlmeHandler()\n",
544 Elem->Machine));
545 break;
546 } /* end of switch */
547
548 /* free MLME element */
549 Elem->Occupied = FALSE;
550 Elem->MsgLen = 0;
551
552 } else {
553 DBGPRINT_ERR("MlmeHandler: MlmeQueue empty\n");
554 }
555 }
556
557 NdisAcquireSpinLock(&pAd->Mlme.TaskLock);
558 pAd->Mlme.bRunning = FALSE;
559 NdisReleaseSpinLock(&pAd->Mlme.TaskLock);
560 }
561
562 /*
563 ==========================================================================
564 Description:
565 Destructor of MLME (Destroy queue, state machine, spin lock and timer)
566 Parameters:
567 Adapter - NIC Adapter pointer
568 Post:
569 The MLME task will no longer work properly
570
571 IRQL = PASSIVE_LEVEL
572
573 ==========================================================================
574 */
MlmeHalt(struct rt_rtmp_adapter * pAd)575 void MlmeHalt(struct rt_rtmp_adapter *pAd)
576 {
577 BOOLEAN Cancelled;
578
579 DBGPRINT(RT_DEBUG_TRACE, ("==> MlmeHalt\n"));
580
581 if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) {
582 /* disable BEACON generation and other BEACON related hardware timers */
583 AsicDisableSync(pAd);
584 }
585
586 {
587 /* Cancel pending timers */
588 RTMPCancelTimer(&pAd->MlmeAux.AssocTimer, &Cancelled);
589 RTMPCancelTimer(&pAd->MlmeAux.ReassocTimer, &Cancelled);
590 RTMPCancelTimer(&pAd->MlmeAux.DisassocTimer, &Cancelled);
591 RTMPCancelTimer(&pAd->MlmeAux.AuthTimer, &Cancelled);
592 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &Cancelled);
593 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &Cancelled);
594
595 #ifdef RTMP_MAC_PCI
596 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)
597 && (pAd->StaCfg.PSControl.field.EnableNewPS == TRUE)) {
598 RTMPCancelTimer(&pAd->Mlme.PsPollTimer, &Cancelled);
599 RTMPCancelTimer(&pAd->Mlme.RadioOnOffTimer, &Cancelled);
600 }
601 #endif /* RTMP_MAC_PCI // */
602
603 RTMPCancelTimer(&pAd->Mlme.LinkDownTimer, &Cancelled);
604
605 #ifdef RTMP_MAC_USB
606 RTMPCancelTimer(&pAd->Mlme.AutoWakeupTimer, &Cancelled);
607 #endif /* RTMP_MAC_USB // */
608 }
609
610 RTMPCancelTimer(&pAd->Mlme.PeriodicTimer, &Cancelled);
611 RTMPCancelTimer(&pAd->Mlme.RxAntEvalTimer, &Cancelled);
612
613 if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) {
614 struct rt_rtmp_chip_op *pChipOps = &pAd->chipOps;
615
616 /* Set LED */
617 RTMPSetLED(pAd, LED_HALT);
618 RTMPSetSignalLED(pAd, -100); /* Force signal strength Led to be turned off, firmware is not done it. */
619 #ifdef RTMP_MAC_USB
620 {
621 LED_CFG_STRUC LedCfg;
622 RTMP_IO_READ32(pAd, LED_CFG, &LedCfg.word);
623 LedCfg.field.LedPolar = 0;
624 LedCfg.field.RLedMode = 0;
625 LedCfg.field.GLedMode = 0;
626 LedCfg.field.YLedMode = 0;
627 RTMP_IO_WRITE32(pAd, LED_CFG, LedCfg.word);
628 }
629 #endif /* RTMP_MAC_USB // */
630
631 if (pChipOps->AsicHaltAction)
632 pChipOps->AsicHaltAction(pAd);
633 }
634
635 RTMPusecDelay(5000); /* 5 msec to guarantee Ant Diversity timer canceled */
636
637 MlmeQueueDestroy(&pAd->Mlme.Queue);
638 NdisFreeSpinLock(&pAd->Mlme.TaskLock);
639
640 DBGPRINT(RT_DEBUG_TRACE, ("<== MlmeHalt\n"));
641 }
642
MlmeResetRalinkCounters(struct rt_rtmp_adapter * pAd)643 void MlmeResetRalinkCounters(struct rt_rtmp_adapter *pAd)
644 {
645 pAd->RalinkCounters.LastOneSecRxOkDataCnt =
646 pAd->RalinkCounters.OneSecRxOkDataCnt;
647 /* clear all OneSecxxx counters. */
648 pAd->RalinkCounters.OneSecBeaconSentCnt = 0;
649 pAd->RalinkCounters.OneSecFalseCCACnt = 0;
650 pAd->RalinkCounters.OneSecRxFcsErrCnt = 0;
651 pAd->RalinkCounters.OneSecRxOkCnt = 0;
652 pAd->RalinkCounters.OneSecTxFailCount = 0;
653 pAd->RalinkCounters.OneSecTxNoRetryOkCount = 0;
654 pAd->RalinkCounters.OneSecTxRetryOkCount = 0;
655 pAd->RalinkCounters.OneSecRxOkDataCnt = 0;
656 pAd->RalinkCounters.OneSecReceivedByteCount = 0;
657 pAd->RalinkCounters.OneSecTransmittedByteCount = 0;
658
659 /* TODO: for debug only. to be removed */
660 pAd->RalinkCounters.OneSecOsTxCount[QID_AC_BE] = 0;
661 pAd->RalinkCounters.OneSecOsTxCount[QID_AC_BK] = 0;
662 pAd->RalinkCounters.OneSecOsTxCount[QID_AC_VI] = 0;
663 pAd->RalinkCounters.OneSecOsTxCount[QID_AC_VO] = 0;
664 pAd->RalinkCounters.OneSecDmaDoneCount[QID_AC_BE] = 0;
665 pAd->RalinkCounters.OneSecDmaDoneCount[QID_AC_BK] = 0;
666 pAd->RalinkCounters.OneSecDmaDoneCount[QID_AC_VI] = 0;
667 pAd->RalinkCounters.OneSecDmaDoneCount[QID_AC_VO] = 0;
668 pAd->RalinkCounters.OneSecTxDoneCount = 0;
669 pAd->RalinkCounters.OneSecRxCount = 0;
670 pAd->RalinkCounters.OneSecTxAggregationCount = 0;
671 pAd->RalinkCounters.OneSecRxAggregationCount = 0;
672
673 return;
674 }
675
676 /*
677 ==========================================================================
678 Description:
679 This routine is executed periodically to -
680 1. Decide if it's a right time to turn on PwrMgmt bit of all
681 outgoiing frames
682 2. Calculate ChannelQuality based on statistics of the last
683 period, so that TX rate won't toggling very frequently between a
684 successful TX and a failed TX.
685 3. If the calculated ChannelQuality indicated current connection not
686 healthy, then a ROAMing attempt is tried here.
687
688 IRQL = DISPATCH_LEVEL
689
690 ==========================================================================
691 */
692 #define ADHOC_BEACON_LOST_TIME (8*OS_HZ) /* 8 sec */
MlmePeriodicExec(void * SystemSpecific1,void * FunctionContext,void * SystemSpecific2,void * SystemSpecific3)693 void MlmePeriodicExec(void *SystemSpecific1,
694 void *FunctionContext,
695 void *SystemSpecific2, void *SystemSpecific3)
696 {
697 unsigned long TxTotalCnt;
698 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
699
700 #ifdef RTMP_MAC_PCI
701 {
702 /* If Hardware controlled Radio enabled, we have to check GPIO pin2 every 2 second. */
703 /* Move code to here, because following code will return when radio is off */
704 if ((pAd->Mlme.PeriodicRound % (MLME_TASK_EXEC_MULTIPLE * 2) ==
705 0) && (pAd->StaCfg.bHardwareRadio == TRUE)
706 && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))
707 && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
708 /*&&(pAd->bPCIclkOff == FALSE) */
709 ) {
710 u32 data = 0;
711
712 /* Read GPIO pin2 as Hardware controlled radio state */
713 #ifndef RT3090
714 RTMP_IO_READ32(pAd, GPIO_CTRL_CFG, &data);
715 #endif /* RT3090 // */
716 /*KH(PCIE PS):Added based on Jane<-- */
717 #ifdef RT3090
718 /* Read GPIO pin2 as Hardware controlled radio state */
719 /* We need to Read GPIO if HW said so no mater what advance power saving */
720 if ((pAd->OpMode == OPMODE_STA) && (IDLE_ON(pAd))
721 &&
722 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
723 && (pAd->StaCfg.PSControl.field.EnablePSinIdle ==
724 TRUE)) {
725 /* Want to make sure device goes to L0 state before reading register. */
726 RTMPPCIeLinkCtrlValueRestore(pAd, 0);
727 RTMP_IO_FORCE_READ32(pAd, GPIO_CTRL_CFG, &data);
728 RTMPPCIeLinkCtrlSetting(pAd, 3);
729 } else
730 RTMP_IO_FORCE_READ32(pAd, GPIO_CTRL_CFG, &data);
731 #endif /* RT3090 // */
732 /*KH(PCIE PS):Added based on Jane--> */
733
734 if (data & 0x04) {
735 pAd->StaCfg.bHwRadio = TRUE;
736 } else {
737 pAd->StaCfg.bHwRadio = FALSE;
738 }
739 if (pAd->StaCfg.bRadio !=
740 (pAd->StaCfg.bHwRadio && pAd->StaCfg.bSwRadio)) {
741 pAd->StaCfg.bRadio = (pAd->StaCfg.bHwRadio
742 && pAd->StaCfg.bSwRadio);
743 if (pAd->StaCfg.bRadio == TRUE) {
744 MlmeRadioOn(pAd);
745 /* Update extra information */
746 pAd->ExtraInfo = EXTRA_INFO_CLEAR;
747 } else {
748 MlmeRadioOff(pAd);
749 /* Update extra information */
750 pAd->ExtraInfo = HW_RADIO_OFF;
751 }
752 }
753 }
754 }
755 #endif /* RTMP_MAC_PCI // */
756
757 /* Do nothing if the driver is starting halt state. */
758 /* This might happen when timer already been fired before cancel timer with mlmehalt */
759 if ((RTMP_TEST_FLAG(pAd, (fRTMP_ADAPTER_HALT_IN_PROGRESS |
760 fRTMP_ADAPTER_RADIO_OFF |
761 fRTMP_ADAPTER_RADIO_MEASUREMENT |
762 fRTMP_ADAPTER_RESET_IN_PROGRESS))))
763 return;
764
765 RTMP_MLME_PRE_SANITY_CHECK(pAd);
766
767 {
768 /* Do nothing if monitor mode is on */
769 if (MONITOR_ON(pAd))
770 return;
771
772 if (pAd->Mlme.PeriodicRound & 0x1) {
773 /* This is the fix for wifi 11n extension channel overlapping test case. for 2860D */
774 if (((pAd->MACVersion & 0xffff) == 0x0101) &&
775 (STA_TGN_WIFI_ON(pAd)) &&
776 (pAd->CommonCfg.IOTestParm.bToggle == FALSE))
777 {
778 RTMP_IO_WRITE32(pAd, TXOP_CTRL_CFG, 0x24Bf);
779 pAd->CommonCfg.IOTestParm.bToggle = TRUE;
780 } else if ((STA_TGN_WIFI_ON(pAd)) &&
781 ((pAd->MACVersion & 0xffff) == 0x0101)) {
782 RTMP_IO_WRITE32(pAd, TXOP_CTRL_CFG, 0x243f);
783 pAd->CommonCfg.IOTestParm.bToggle = FALSE;
784 }
785 }
786 }
787
788 pAd->bUpdateBcnCntDone = FALSE;
789
790 /* RECBATimerTimeout(SystemSpecific1,FunctionContext,SystemSpecific2,SystemSpecific3); */
791 pAd->Mlme.PeriodicRound++;
792
793 #ifdef RTMP_MAC_USB
794 /* execute every 100ms, update the Tx FIFO Cnt for update Tx Rate. */
795 NICUpdateFifoStaCounters(pAd);
796 #endif /* RTMP_MAC_USB // */
797
798 /* execute every 500ms */
799 if ((pAd->Mlme.PeriodicRound % 5 == 0)
800 && RTMPAutoRateSwitchCheck(pAd)
801 /*(OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED)) */ )
802 {
803 /* perform dynamic tx rate switching based on past TX history */
804 {
805 if ((OPSTATUS_TEST_FLAG
806 (pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)
807 )
808 && (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)))
809 MlmeDynamicTxRateSwitching(pAd);
810 }
811 }
812 /* Normal 1 second Mlme PeriodicExec. */
813 if (pAd->Mlme.PeriodicRound % MLME_TASK_EXEC_MULTIPLE == 0) {
814 pAd->Mlme.OneSecPeriodicRound++;
815
816 /*ORIBATimerTimeout(pAd); */
817
818 /* Media status changed, report to NDIS */
819 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE)) {
820 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
821 if (OPSTATUS_TEST_FLAG
822 (pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)) {
823 pAd->IndicateMediaState =
824 NdisMediaStateConnected;
825 RTMP_IndicateMediaState(pAd);
826
827 } else {
828 pAd->IndicateMediaState =
829 NdisMediaStateDisconnected;
830 RTMP_IndicateMediaState(pAd);
831 }
832 }
833
834 NdisGetSystemUpTime(&pAd->Mlme.Now32);
835
836 /* add the most up-to-date h/w raw counters into software variable, so that */
837 /* the dynamic tuning mechanism below are based on most up-to-date information */
838 NICUpdateRawCounters(pAd);
839
840 #ifdef RTMP_MAC_USB
841 RTUSBWatchDog(pAd);
842 #endif /* RTMP_MAC_USB // */
843
844 /* Need statistics after read counter. So put after NICUpdateRawCounters */
845 ORIBATimerTimeout(pAd);
846
847 /* if MGMT RING is full more than twice within 1 second, we consider there's */
848 /* a hardware problem stucking the TX path. In this case, try a hardware reset */
849 /* to recover the system */
850 /* if (pAd->RalinkCounters.MgmtRingFullCount >= 2) */
851 /* RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HARDWARE_ERROR); */
852 /* else */
853 /* pAd->RalinkCounters.MgmtRingFullCount = 0; */
854
855 /* The time period for checking antenna is according to traffic */
856 {
857 if (pAd->Mlme.bEnableAutoAntennaCheck) {
858 TxTotalCnt =
859 pAd->RalinkCounters.OneSecTxNoRetryOkCount +
860 pAd->RalinkCounters.OneSecTxRetryOkCount +
861 pAd->RalinkCounters.OneSecTxFailCount;
862
863 /* dynamic adjust antenna evaluation period according to the traffic */
864 if (TxTotalCnt > 50) {
865 if (pAd->Mlme.OneSecPeriodicRound %
866 10 == 0) {
867 AsicEvaluateRxAnt(pAd);
868 }
869 } else {
870 if (pAd->Mlme.OneSecPeriodicRound % 3 ==
871 0) {
872 AsicEvaluateRxAnt(pAd);
873 }
874 }
875 }
876 }
877
878 STAMlmePeriodicExec(pAd);
879
880 MlmeResetRalinkCounters(pAd);
881
882 {
883 #ifdef RTMP_MAC_PCI
884 if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)
885 && (pAd->bPCIclkOff == FALSE))
886 #endif /* RTMP_MAC_PCI // */
887 {
888 /* When Adhoc beacon is enabled and RTS/CTS is enabled, there is a chance that hardware MAC FSM will run into a deadlock */
889 /* and sending CTS-to-self over and over. */
890 /* Software Patch Solution: */
891 /* 1. Polling debug state register 0x10F4 every one second. */
892 /* 2. If in 0x10F4 the ((bit29==1) && (bit7==1)) OR ((bit29==1) && (bit5==1)), it means the deadlock has occurred. */
893 /* 3. If the deadlock occurred, reset MAC/BBP by setting 0x1004 to 0x0001 for a while then setting it back to 0x000C again. */
894
895 u32 MacReg = 0;
896
897 RTMP_IO_READ32(pAd, 0x10F4, &MacReg);
898 if (((MacReg & 0x20000000) && (MacReg & 0x80))
899 || ((MacReg & 0x20000000)
900 && (MacReg & 0x20))) {
901 RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, 0x1);
902 RTMPusecDelay(1);
903 RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, 0xC);
904
905 DBGPRINT(RT_DEBUG_WARN,
906 ("Warning, MAC specific condition occurs \n"));
907 }
908 }
909 }
910
911 RTMP_MLME_HANDLER(pAd);
912 }
913
914 pAd->bUpdateBcnCntDone = FALSE;
915 }
916
917 /*
918 ==========================================================================
919 Validate SSID for connection try and rescan purpose
920 Valid SSID will have visible chars only.
921 The valid length is from 0 to 32.
922 IRQL = DISPATCH_LEVEL
923 ==========================================================================
924 */
MlmeValidateSSID(u8 * pSsid,u8 SsidLen)925 BOOLEAN MlmeValidateSSID(u8 *pSsid, u8 SsidLen)
926 {
927 int index;
928
929 if (SsidLen > MAX_LEN_OF_SSID)
930 return (FALSE);
931
932 /* Check each character value */
933 for (index = 0; index < SsidLen; index++) {
934 if (pSsid[index] < 0x20)
935 return (FALSE);
936 }
937
938 /* All checked */
939 return (TRUE);
940 }
941
MlmeSelectTxRateTable(struct rt_rtmp_adapter * pAd,struct rt_mac_table_entry * pEntry,u8 ** ppTable,u8 * pTableSize,u8 * pInitTxRateIdx)942 void MlmeSelectTxRateTable(struct rt_rtmp_adapter *pAd,
943 struct rt_mac_table_entry *pEntry,
944 u8 ** ppTable,
945 u8 *pTableSize, u8 *pInitTxRateIdx)
946 {
947 do {
948 /* decide the rate table for tuning */
949 if (pAd->CommonCfg.TxRateTableSize > 0) {
950 *ppTable = RateSwitchTable;
951 *pTableSize = RateSwitchTable[0];
952 *pInitTxRateIdx = RateSwitchTable[1];
953
954 break;
955 }
956
957 if ((pAd->OpMode == OPMODE_STA) && ADHOC_ON(pAd)) {
958 if ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) && (pEntry->HTCapability.MCSSet[0] == 0xff) && ((pEntry->HTCapability.MCSSet[1] == 0x00) || (pAd->Antenna.field.TxPath == 1))) { /* 11N 1S Adhoc */
959 *ppTable = RateSwitchTable11N1S;
960 *pTableSize = RateSwitchTable11N1S[0];
961 *pInitTxRateIdx = RateSwitchTable11N1S[1];
962
963 } else if ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) && (pEntry->HTCapability.MCSSet[0] == 0xff) && (pEntry->HTCapability.MCSSet[1] == 0xff) && (pAd->Antenna.field.TxPath == 2)) { /* 11N 2S Adhoc */
964 if (pAd->LatchRfRegs.Channel <= 14) {
965 *ppTable = RateSwitchTable11N2S;
966 *pTableSize = RateSwitchTable11N2S[0];
967 *pInitTxRateIdx =
968 RateSwitchTable11N2S[1];
969 } else {
970 *ppTable = RateSwitchTable11N2SForABand;
971 *pTableSize =
972 RateSwitchTable11N2SForABand[0];
973 *pInitTxRateIdx =
974 RateSwitchTable11N2SForABand[1];
975 }
976
977 } else if ((pEntry->RateLen == 4)
978 && (pEntry->HTCapability.MCSSet[0] == 0)
979 && (pEntry->HTCapability.MCSSet[1] == 0)
980 ) {
981 *ppTable = RateSwitchTable11B;
982 *pTableSize = RateSwitchTable11B[0];
983 *pInitTxRateIdx = RateSwitchTable11B[1];
984
985 } else if (pAd->LatchRfRegs.Channel <= 14) {
986 *ppTable = RateSwitchTable11BG;
987 *pTableSize = RateSwitchTable11BG[0];
988 *pInitTxRateIdx = RateSwitchTable11BG[1];
989
990 } else {
991 *ppTable = RateSwitchTable11G;
992 *pTableSize = RateSwitchTable11G[0];
993 *pInitTxRateIdx = RateSwitchTable11G[1];
994
995 }
996 break;
997 }
998 /*if ((pAd->StaActive.SupRateLen + pAd->StaActive.ExtRateLen == 12) && (pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0xff) && */
999 /* ((pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0x00) || (pAd->Antenna.field.TxPath == 1))) */
1000 if (((pEntry->RateLen == 12) || (pAd->OpMode == OPMODE_STA)) && (pEntry->HTCapability.MCSSet[0] == 0xff) && ((pEntry->HTCapability.MCSSet[1] == 0x00) || (pAd->CommonCfg.TxStream == 1))) { /* 11BGN 1S AP */
1001 *ppTable = RateSwitchTable11BGN1S;
1002 *pTableSize = RateSwitchTable11BGN1S[0];
1003 *pInitTxRateIdx = RateSwitchTable11BGN1S[1];
1004
1005 break;
1006 }
1007 /*else if ((pAd->StaActive.SupRateLen + pAd->StaActive.ExtRateLen == 12) && (pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0xff) && */
1008 /* (pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0xff) && (pAd->Antenna.field.TxPath == 2)) */
1009 if (((pEntry->RateLen == 12) || (pAd->OpMode == OPMODE_STA)) && (pEntry->HTCapability.MCSSet[0] == 0xff) && (pEntry->HTCapability.MCSSet[1] == 0xff) && (pAd->CommonCfg.TxStream == 2)) { /* 11BGN 2S AP */
1010 if (pAd->LatchRfRegs.Channel <= 14) {
1011 *ppTable = RateSwitchTable11BGN2S;
1012 *pTableSize = RateSwitchTable11BGN2S[0];
1013 *pInitTxRateIdx = RateSwitchTable11BGN2S[1];
1014
1015 } else {
1016 *ppTable = RateSwitchTable11BGN2SForABand;
1017 *pTableSize = RateSwitchTable11BGN2SForABand[0];
1018 *pInitTxRateIdx =
1019 RateSwitchTable11BGN2SForABand[1];
1020
1021 }
1022 break;
1023 }
1024 /*else if ((pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0xff) && ((pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0x00) || (pAd->Antenna.field.TxPath == 1))) */
1025 if ((pEntry->HTCapability.MCSSet[0] == 0xff) && ((pEntry->HTCapability.MCSSet[1] == 0x00) || (pAd->CommonCfg.TxStream == 1))) { /* 11N 1S AP */
1026 *ppTable = RateSwitchTable11N1S;
1027 *pTableSize = RateSwitchTable11N1S[0];
1028 *pInitTxRateIdx = RateSwitchTable11N1S[1];
1029
1030 break;
1031 }
1032 /*else if ((pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0xff) && (pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0xff) && (pAd->Antenna.field.TxPath == 2)) */
1033 if ((pEntry->HTCapability.MCSSet[0] == 0xff) && (pEntry->HTCapability.MCSSet[1] == 0xff) && (pAd->CommonCfg.TxStream == 2)) { /* 11N 2S AP */
1034 if (pAd->LatchRfRegs.Channel <= 14) {
1035 *ppTable = RateSwitchTable11N2S;
1036 *pTableSize = RateSwitchTable11N2S[0];
1037 *pInitTxRateIdx = RateSwitchTable11N2S[1];
1038 } else {
1039 *ppTable = RateSwitchTable11N2SForABand;
1040 *pTableSize = RateSwitchTable11N2SForABand[0];
1041 *pInitTxRateIdx =
1042 RateSwitchTable11N2SForABand[1];
1043 }
1044
1045 break;
1046 }
1047 /*else if ((pAd->StaActive.SupRateLen == 4) && (pAd->StaActive.ExtRateLen == 0) && (pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0) && (pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0)) */
1048 if ((pEntry->RateLen == 4 || pAd->CommonCfg.PhyMode == PHY_11B)
1049 /*Iverson mark for Adhoc b mode,sta will use rate 54 Mbps when connect with sta b/g/n mode */
1050 /* && (pEntry->HTCapability.MCSSet[0] == 0) && (pEntry->HTCapability.MCSSet[1] == 0) */
1051 ) { /* B only AP */
1052 *ppTable = RateSwitchTable11B;
1053 *pTableSize = RateSwitchTable11B[0];
1054 *pInitTxRateIdx = RateSwitchTable11B[1];
1055
1056 break;
1057 }
1058 /*else if ((pAd->StaActive.SupRateLen + pAd->StaActive.ExtRateLen > 8) && (pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0) && (pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0)) */
1059 if ((pEntry->RateLen > 8)
1060 && (pEntry->HTCapability.MCSSet[0] == 0)
1061 && (pEntry->HTCapability.MCSSet[1] == 0)
1062 ) { /* B/G mixed AP */
1063 *ppTable = RateSwitchTable11BG;
1064 *pTableSize = RateSwitchTable11BG[0];
1065 *pInitTxRateIdx = RateSwitchTable11BG[1];
1066
1067 break;
1068 }
1069 /*else if ((pAd->StaActive.SupRateLen + pAd->StaActive.ExtRateLen == 8) && (pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0) && (pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0)) */
1070 if ((pEntry->RateLen == 8)
1071 && (pEntry->HTCapability.MCSSet[0] == 0)
1072 && (pEntry->HTCapability.MCSSet[1] == 0)
1073 ) { /* G only AP */
1074 *ppTable = RateSwitchTable11G;
1075 *pTableSize = RateSwitchTable11G[0];
1076 *pInitTxRateIdx = RateSwitchTable11G[1];
1077
1078 break;
1079 }
1080
1081 {
1082 /*else if ((pAd->StaActive.SupportedPhyInfo.MCSSet[0] == 0) && (pAd->StaActive.SupportedPhyInfo.MCSSet[1] == 0)) */
1083 if ((pEntry->HTCapability.MCSSet[0] == 0) && (pEntry->HTCapability.MCSSet[1] == 0)) { /* Legacy mode */
1084 if (pAd->CommonCfg.MaxTxRate <= RATE_11) {
1085 *ppTable = RateSwitchTable11B;
1086 *pTableSize = RateSwitchTable11B[0];
1087 *pInitTxRateIdx = RateSwitchTable11B[1];
1088 } else if ((pAd->CommonCfg.MaxTxRate > RATE_11)
1089 && (pAd->CommonCfg.MinTxRate >
1090 RATE_11)) {
1091 *ppTable = RateSwitchTable11G;
1092 *pTableSize = RateSwitchTable11G[0];
1093 *pInitTxRateIdx = RateSwitchTable11G[1];
1094
1095 } else {
1096 *ppTable = RateSwitchTable11BG;
1097 *pTableSize = RateSwitchTable11BG[0];
1098 *pInitTxRateIdx =
1099 RateSwitchTable11BG[1];
1100 }
1101 break;
1102 }
1103 if (pAd->LatchRfRegs.Channel <= 14) {
1104 if (pAd->CommonCfg.TxStream == 1) {
1105 *ppTable = RateSwitchTable11N1S;
1106 *pTableSize = RateSwitchTable11N1S[0];
1107 *pInitTxRateIdx =
1108 RateSwitchTable11N1S[1];
1109 DBGPRINT_RAW(RT_DEBUG_ERROR,
1110 ("DRS: unknown mode,default use 11N 1S AP \n"));
1111 } else {
1112 *ppTable = RateSwitchTable11N2S;
1113 *pTableSize = RateSwitchTable11N2S[0];
1114 *pInitTxRateIdx =
1115 RateSwitchTable11N2S[1];
1116 DBGPRINT_RAW(RT_DEBUG_ERROR,
1117 ("DRS: unknown mode,default use 11N 2S AP \n"));
1118 }
1119 } else {
1120 if (pAd->CommonCfg.TxStream == 1) {
1121 *ppTable = RateSwitchTable11N1S;
1122 *pTableSize = RateSwitchTable11N1S[0];
1123 *pInitTxRateIdx =
1124 RateSwitchTable11N1S[1];
1125 DBGPRINT_RAW(RT_DEBUG_ERROR,
1126 ("DRS: unknown mode,default use 11N 1S AP \n"));
1127 } else {
1128 *ppTable = RateSwitchTable11N2SForABand;
1129 *pTableSize =
1130 RateSwitchTable11N2SForABand[0];
1131 *pInitTxRateIdx =
1132 RateSwitchTable11N2SForABand[1];
1133 DBGPRINT_RAW(RT_DEBUG_ERROR,
1134 ("DRS: unknown mode,default use 11N 2S AP \n"));
1135 }
1136 }
1137 DBGPRINT_RAW(RT_DEBUG_ERROR,
1138 ("DRS: unknown mode (SupRateLen=%d, ExtRateLen=%d, MCSSet[0]=0x%x, MCSSet[1]=0x%x)\n",
1139 pAd->StaActive.SupRateLen,
1140 pAd->StaActive.ExtRateLen,
1141 pAd->StaActive.SupportedPhyInfo.MCSSet[0],
1142 pAd->StaActive.SupportedPhyInfo.
1143 MCSSet[1]));
1144 }
1145 } while (FALSE);
1146 }
1147
STAMlmePeriodicExec(struct rt_rtmp_adapter * pAd)1148 void STAMlmePeriodicExec(struct rt_rtmp_adapter *pAd)
1149 {
1150 unsigned long TxTotalCnt;
1151 int i;
1152
1153 /*
1154 We return here in ATE mode, because the statistics
1155 that ATE need are not collected via this routine.
1156 */
1157 #if defined(RT305x)||defined(RT3070)
1158 /* request by Gary, if Rssi0 > -42, BBP 82 need to be changed from 0x62 to 0x42, , bbp 67 need to be changed from 0x20 to 0x18 */
1159 if (!pAd->CommonCfg.HighPowerPatchDisabled) {
1160 #ifdef RT3070
1161 if ((IS_RT3070(pAd) && ((pAd->MACVersion & 0xffff) < 0x0201)))
1162 #endif /* RT3070 // */
1163 {
1164 if ((pAd->StaCfg.RssiSample.AvgRssi0 != 0)
1165 && (pAd->StaCfg.RssiSample.AvgRssi0 >
1166 (pAd->BbpRssiToDbmDelta - 35))) {
1167 RT30xxWriteRFRegister(pAd, RF_R27, 0x20);
1168 } else {
1169 RT30xxWriteRFRegister(pAd, RF_R27, 0x23);
1170 }
1171 }
1172 }
1173 #endif
1174 #ifdef PCIE_PS_SUPPORT
1175 /* don't perform idle-power-save mechanism within 3 min after driver initialization. */
1176 /* This can make rebooter test more robust */
1177 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) {
1178 if ((pAd->OpMode == OPMODE_STA) && (IDLE_ON(pAd))
1179 && (pAd->Mlme.SyncMachine.CurrState == SYNC_IDLE)
1180 && (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE)
1181 && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))) {
1182 if (IS_RT3090(pAd) || IS_RT3572(pAd) || IS_RT3390(pAd)) {
1183 if (pAd->StaCfg.PSControl.field.EnableNewPS ==
1184 TRUE) {
1185 DBGPRINT(RT_DEBUG_TRACE,
1186 ("%s\n", __func__));
1187 RT28xxPciAsicRadioOff(pAd,
1188 GUI_IDLE_POWER_SAVE,
1189 0);
1190 } else {
1191 AsicSendCommandToMcu(pAd, 0x30,
1192 PowerSafeCID, 0xff,
1193 0x2);
1194 /* Wait command success */
1195 AsicCheckCommanOk(pAd, PowerSafeCID);
1196 RTMP_SET_FLAG(pAd,
1197 fRTMP_ADAPTER_IDLE_RADIO_OFF);
1198 DBGPRINT(RT_DEBUG_TRACE,
1199 ("PSM - rt30xx Issue Sleep command)\n"));
1200 }
1201 } else if (pAd->Mlme.OneSecPeriodicRound > 180) {
1202 if (pAd->StaCfg.PSControl.field.EnableNewPS ==
1203 TRUE) {
1204 DBGPRINT(RT_DEBUG_TRACE,
1205 ("%s\n", __func__));
1206 RT28xxPciAsicRadioOff(pAd,
1207 GUI_IDLE_POWER_SAVE,
1208 0);
1209 } else {
1210 AsicSendCommandToMcu(pAd, 0x30,
1211 PowerSafeCID, 0xff,
1212 0x02);
1213 /* Wait command success */
1214 AsicCheckCommanOk(pAd, PowerSafeCID);
1215 RTMP_SET_FLAG(pAd,
1216 fRTMP_ADAPTER_IDLE_RADIO_OFF);
1217 DBGPRINT(RT_DEBUG_TRACE,
1218 ("PSM - rt28xx Issue Sleep command)\n"));
1219 }
1220 }
1221 } else {
1222 DBGPRINT(RT_DEBUG_TRACE,
1223 ("STAMlmePeriodicExec MMCHK - CommonCfg.Ssid[%d]=%c%c%c%c... MlmeAux.Ssid[%d]=%c%c%c%c...\n",
1224 pAd->CommonCfg.SsidLen,
1225 pAd->CommonCfg.Ssid[0],
1226 pAd->CommonCfg.Ssid[1],
1227 pAd->CommonCfg.Ssid[2],
1228 pAd->CommonCfg.Ssid[3], pAd->MlmeAux.SsidLen,
1229 pAd->MlmeAux.Ssid[0], pAd->MlmeAux.Ssid[1],
1230 pAd->MlmeAux.Ssid[2], pAd->MlmeAux.Ssid[3]));
1231 }
1232 }
1233 #endif /* PCIE_PS_SUPPORT // */
1234
1235 if (pAd->StaCfg.WpaSupplicantUP == WPA_SUPPLICANT_DISABLE) {
1236 /* WPA MIC error should block association attempt for 60 seconds */
1237 if (pAd->StaCfg.bBlockAssoc &&
1238 RTMP_TIME_AFTER(pAd->Mlme.Now32,
1239 pAd->StaCfg.LastMicErrorTime +
1240 (60 * OS_HZ)))
1241 pAd->StaCfg.bBlockAssoc = FALSE;
1242 }
1243
1244 if ((pAd->PreMediaState != pAd->IndicateMediaState)
1245 && (pAd->CommonCfg.bWirelessEvent)) {
1246 if (pAd->IndicateMediaState == NdisMediaStateConnected) {
1247 RTMPSendWirelessEvent(pAd, IW_STA_LINKUP_EVENT_FLAG,
1248 pAd->MacTab.Content[BSSID_WCID].
1249 Addr, BSS0, 0);
1250 }
1251 pAd->PreMediaState = pAd->IndicateMediaState;
1252 }
1253
1254 if (pAd->CommonCfg.PSPXlink && ADHOC_ON(pAd)) {
1255 } else {
1256 AsicStaBbpTuning(pAd);
1257 }
1258
1259 TxTotalCnt = pAd->RalinkCounters.OneSecTxNoRetryOkCount +
1260 pAd->RalinkCounters.OneSecTxRetryOkCount +
1261 pAd->RalinkCounters.OneSecTxFailCount;
1262
1263 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)) {
1264 /* update channel quality for Roaming and UI LinkQuality display */
1265 MlmeCalculateChannelQuality(pAd, NULL, pAd->Mlme.Now32);
1266 }
1267 /* must be AFTER MlmeDynamicTxRateSwitching() because it needs to know if */
1268 /* Radio is currently in noisy environment */
1269 if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS))
1270 AsicAdjustTxPower(pAd);
1271
1272 if (INFRA_ON(pAd)) {
1273
1274 /* Is PSM bit consistent with user power management policy? */
1275 /* This is the only place that will set PSM bit ON. */
1276 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
1277 MlmeCheckPsmChange(pAd, pAd->Mlme.Now32);
1278
1279 pAd->RalinkCounters.LastOneSecTotalTxCount = TxTotalCnt;
1280
1281 if ((RTMP_TIME_AFTER
1282 (pAd->Mlme.Now32,
1283 pAd->StaCfg.LastBeaconRxTime + (1 * OS_HZ)))
1284 &&
1285 (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS))
1286 &&
1287 (((TxTotalCnt + pAd->RalinkCounters.OneSecRxOkCnt) <
1288 600))) {
1289 RTMPSetAGCInitValue(pAd, BW_20);
1290 DBGPRINT(RT_DEBUG_TRACE,
1291 ("MMCHK - No BEACON. restore R66 to the low bound(%d) \n",
1292 (0x2E + GET_LNA_GAIN(pAd))));
1293 }
1294 /*if ((pAd->RalinkCounters.OneSecTxNoRetryOkCount == 0) && */
1295 /* (pAd->RalinkCounters.OneSecTxRetryOkCount == 0)) */
1296 {
1297 if (pAd->CommonCfg.bAPSDCapable
1298 && pAd->CommonCfg.APEdcaParm.bAPSDCapable) {
1299 /* When APSD is enabled, the period changes as 20 sec */
1300 if ((pAd->Mlme.OneSecPeriodicRound % 20) == 8)
1301 RTMPSendNullFrame(pAd,
1302 pAd->CommonCfg.TxRate,
1303 TRUE);
1304 } else {
1305 /* Send out a NULL frame every 10 sec to inform AP that STA is still alive (Avoid being age out) */
1306 if ((pAd->Mlme.OneSecPeriodicRound % 10) == 8) {
1307 if (pAd->CommonCfg.bWmmCapable)
1308 RTMPSendNullFrame(pAd,
1309 pAd->
1310 CommonCfg.
1311 TxRate, TRUE);
1312 else
1313 RTMPSendNullFrame(pAd,
1314 pAd->
1315 CommonCfg.
1316 TxRate,
1317 FALSE);
1318 }
1319 }
1320 }
1321
1322 if (CQI_IS_DEAD(pAd->Mlme.ChannelQuality)) {
1323 DBGPRINT(RT_DEBUG_TRACE,
1324 ("MMCHK - No BEACON. Dead CQI. Auto Recovery attempt #%ld\n",
1325 pAd->RalinkCounters.BadCQIAutoRecoveryCount));
1326
1327 /* Lost AP, send disconnect & link down event */
1328 LinkDown(pAd, FALSE);
1329
1330 RtmpOSWrielessEventSend(pAd, SIOCGIWAP, -1, NULL, NULL,
1331 0);
1332
1333 /* RTMPPatchMacBbpBug(pAd); */
1334 MlmeAutoReconnectLastSSID(pAd);
1335 } else if (CQI_IS_BAD(pAd->Mlme.ChannelQuality)) {
1336 pAd->RalinkCounters.BadCQIAutoRecoveryCount++;
1337 DBGPRINT(RT_DEBUG_TRACE,
1338 ("MMCHK - Bad CQI. Auto Recovery attempt #%ld\n",
1339 pAd->RalinkCounters.BadCQIAutoRecoveryCount));
1340 MlmeAutoReconnectLastSSID(pAd);
1341 }
1342
1343 if (pAd->StaCfg.bAutoRoaming) {
1344 BOOLEAN rv = FALSE;
1345 char dBmToRoam = pAd->StaCfg.dBmToRoam;
1346 char MaxRssi = RTMPMaxRssi(pAd,
1347 pAd->StaCfg.RssiSample.
1348 LastRssi0,
1349 pAd->StaCfg.RssiSample.
1350 LastRssi1,
1351 pAd->StaCfg.RssiSample.
1352 LastRssi2);
1353
1354 /* Scanning, ignore Roaming */
1355 if (!RTMP_TEST_FLAG
1356 (pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS)
1357 && (pAd->Mlme.SyncMachine.CurrState == SYNC_IDLE)
1358 && (MaxRssi <= dBmToRoam)) {
1359 DBGPRINT(RT_DEBUG_TRACE,
1360 ("Rssi=%d, dBmToRoam=%d\n", MaxRssi,
1361 (char)dBmToRoam));
1362
1363 /* Add auto seamless roaming */
1364 if (rv == FALSE)
1365 rv = MlmeCheckForFastRoaming(pAd);
1366
1367 if (rv == FALSE) {
1368 if ((pAd->StaCfg.LastScanTime +
1369 10 * OS_HZ) < pAd->Mlme.Now32) {
1370 DBGPRINT(RT_DEBUG_TRACE,
1371 ("MMCHK - Roaming, No eligible entry, try new scan!\n"));
1372 pAd->StaCfg.ScanCnt = 2;
1373 pAd->StaCfg.LastScanTime =
1374 pAd->Mlme.Now32;
1375 MlmeAutoScan(pAd);
1376 }
1377 }
1378 }
1379 }
1380 } else if (ADHOC_ON(pAd)) {
1381 /* If all peers leave, and this STA becomes the last one in this IBSS, then change MediaState */
1382 /* to DISCONNECTED. But still holding this IBSS (i.e. sending BEACON) so that other STAs can */
1383 /* join later. */
1384 if (RTMP_TIME_AFTER
1385 (pAd->Mlme.Now32,
1386 pAd->StaCfg.LastBeaconRxTime + ADHOC_BEACON_LOST_TIME)
1387 && OPSTATUS_TEST_FLAG(pAd,
1388 fOP_STATUS_MEDIA_STATE_CONNECTED)) {
1389 struct rt_mlme_start_req StartReq;
1390
1391 DBGPRINT(RT_DEBUG_TRACE,
1392 ("MMCHK - excessive BEACON lost, last STA in this IBSS, MediaState=Disconnected\n"));
1393 LinkDown(pAd, FALSE);
1394
1395 StartParmFill(pAd, &StartReq,
1396 (char *) pAd->MlmeAux.Ssid,
1397 pAd->MlmeAux.SsidLen);
1398 MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_MLME_START_REQ,
1399 sizeof(struct rt_mlme_start_req), &StartReq);
1400 pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_START;
1401 }
1402
1403 for (i = 1; i < MAX_LEN_OF_MAC_TABLE; i++) {
1404 struct rt_mac_table_entry *pEntry = &pAd->MacTab.Content[i];
1405
1406 if (pEntry->ValidAsCLI == FALSE)
1407 continue;
1408
1409 if (RTMP_TIME_AFTER
1410 (pAd->Mlme.Now32,
1411 pEntry->LastBeaconRxTime + ADHOC_BEACON_LOST_TIME))
1412 MacTableDeleteEntry(pAd, pEntry->Aid,
1413 pEntry->Addr);
1414 }
1415 } else /* no INFRA nor ADHOC connection */
1416 {
1417
1418 if (pAd->StaCfg.bScanReqIsFromWebUI &&
1419 RTMP_TIME_BEFORE(pAd->Mlme.Now32,
1420 pAd->StaCfg.LastScanTime + (30 * OS_HZ)))
1421 goto SKIP_AUTO_SCAN_CONN;
1422 else
1423 pAd->StaCfg.bScanReqIsFromWebUI = FALSE;
1424
1425 if ((pAd->StaCfg.bAutoReconnect == TRUE)
1426 && RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP)
1427 &&
1428 (MlmeValidateSSID
1429 (pAd->MlmeAux.AutoReconnectSsid,
1430 pAd->MlmeAux.AutoReconnectSsidLen) == TRUE)) {
1431 if ((pAd->ScanTab.BssNr == 0)
1432 && (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE)) {
1433 struct rt_mlme_scan_req ScanReq;
1434
1435 if (RTMP_TIME_AFTER
1436 (pAd->Mlme.Now32,
1437 pAd->StaCfg.LastScanTime + (10 * OS_HZ))) {
1438 DBGPRINT(RT_DEBUG_TRACE,
1439 ("STAMlmePeriodicExec():CNTL - ScanTab.BssNr==0, start a new ACTIVE scan SSID[%s]\n",
1440 pAd->MlmeAux.
1441 AutoReconnectSsid));
1442 ScanParmFill(pAd, &ScanReq,
1443 (char *)pAd->MlmeAux.
1444 AutoReconnectSsid,
1445 pAd->MlmeAux.
1446 AutoReconnectSsidLen,
1447 BSS_ANY, SCAN_ACTIVE);
1448 MlmeEnqueue(pAd, SYNC_STATE_MACHINE,
1449 MT2_MLME_SCAN_REQ,
1450 sizeof
1451 (struct rt_mlme_scan_req),
1452 &ScanReq);
1453 pAd->Mlme.CntlMachine.CurrState =
1454 CNTL_WAIT_OID_LIST_SCAN;
1455 /* Reset Missed scan number */
1456 pAd->StaCfg.LastScanTime =
1457 pAd->Mlme.Now32;
1458 } else if (pAd->StaCfg.BssType == BSS_ADHOC) /* Quit the forever scan when in a very clean room */
1459 MlmeAutoReconnectLastSSID(pAd);
1460 } else if (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE) {
1461 if ((pAd->Mlme.OneSecPeriodicRound % 7) == 0) {
1462 MlmeAutoScan(pAd);
1463 pAd->StaCfg.LastScanTime =
1464 pAd->Mlme.Now32;
1465 } else {
1466 MlmeAutoReconnectLastSSID(pAd);
1467 }
1468 }
1469 }
1470 }
1471
1472 SKIP_AUTO_SCAN_CONN:
1473
1474 if ((pAd->MacTab.Content[BSSID_WCID].TXBAbitmap != 0)
1475 && (pAd->MacTab.fAnyBASession == FALSE)) {
1476 pAd->MacTab.fAnyBASession = TRUE;
1477 AsicUpdateProtect(pAd, HT_FORCERTSCTS, ALLN_SETPROTECT, FALSE,
1478 FALSE);
1479 } else if ((pAd->MacTab.Content[BSSID_WCID].TXBAbitmap == 0)
1480 && (pAd->MacTab.fAnyBASession == TRUE)) {
1481 pAd->MacTab.fAnyBASession = FALSE;
1482 AsicUpdateProtect(pAd,
1483 pAd->MlmeAux.AddHtInfo.AddHtInfo2.
1484 OperaionMode, ALLN_SETPROTECT, FALSE, FALSE);
1485 }
1486
1487 return;
1488 }
1489
1490 /* Link down report */
LinkDownExec(void * SystemSpecific1,void * FunctionContext,void * SystemSpecific2,void * SystemSpecific3)1491 void LinkDownExec(void *SystemSpecific1,
1492 void *FunctionContext,
1493 void *SystemSpecific2, void *SystemSpecific3)
1494 {
1495 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
1496
1497 if (pAd != NULL) {
1498 struct rt_mlme_disassoc_req DisassocReq;
1499
1500 if ((pAd->StaCfg.PortSecured == WPA_802_1X_PORT_NOT_SECURED) &&
1501 (INFRA_ON(pAd))) {
1502 DBGPRINT(RT_DEBUG_TRACE,
1503 ("LinkDownExec(): disassociate with current AP...\n"));
1504 DisassocParmFill(pAd, &DisassocReq,
1505 pAd->CommonCfg.Bssid,
1506 REASON_DISASSOC_STA_LEAVING);
1507 MlmeEnqueue(pAd, ASSOC_STATE_MACHINE,
1508 MT2_MLME_DISASSOC_REQ,
1509 sizeof(struct rt_mlme_disassoc_req),
1510 &DisassocReq);
1511 pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_DISASSOC;
1512
1513 pAd->IndicateMediaState = NdisMediaStateDisconnected;
1514 RTMP_IndicateMediaState(pAd);
1515 pAd->ExtraInfo = GENERAL_LINK_DOWN;
1516 }
1517 }
1518 }
1519
1520 /* IRQL = DISPATCH_LEVEL */
MlmeAutoScan(struct rt_rtmp_adapter * pAd)1521 void MlmeAutoScan(struct rt_rtmp_adapter *pAd)
1522 {
1523 /* check CntlMachine.CurrState to avoid collision with NDIS SetOID request */
1524 if (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE) {
1525 DBGPRINT(RT_DEBUG_TRACE, ("MMCHK - Driver auto scan\n"));
1526 MlmeEnqueue(pAd,
1527 MLME_CNTL_STATE_MACHINE,
1528 OID_802_11_BSSID_LIST_SCAN,
1529 pAd->MlmeAux.AutoReconnectSsidLen,
1530 pAd->MlmeAux.AutoReconnectSsid);
1531 RTMP_MLME_HANDLER(pAd);
1532 }
1533 }
1534
1535 /* IRQL = DISPATCH_LEVEL */
MlmeAutoReconnectLastSSID(struct rt_rtmp_adapter * pAd)1536 void MlmeAutoReconnectLastSSID(struct rt_rtmp_adapter *pAd)
1537 {
1538 if (pAd->StaCfg.bAutoConnectByBssid) {
1539 DBGPRINT(RT_DEBUG_TRACE,
1540 ("Driver auto reconnect to last OID_802_11_BSSID "
1541 "setting - %pM\n", pAd->MlmeAux.Bssid));
1542
1543 pAd->MlmeAux.Channel = pAd->CommonCfg.Channel;
1544 MlmeEnqueue(pAd,
1545 MLME_CNTL_STATE_MACHINE,
1546 OID_802_11_BSSID, MAC_ADDR_LEN, pAd->MlmeAux.Bssid);
1547
1548 pAd->Mlme.CntlMachine.CurrState = CNTL_IDLE;
1549
1550 RTMP_MLME_HANDLER(pAd);
1551 }
1552 /* check CntlMachine.CurrState to avoid collision with NDIS SetOID request */
1553 else if ((pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE) &&
1554 (MlmeValidateSSID
1555 (pAd->MlmeAux.AutoReconnectSsid,
1556 pAd->MlmeAux.AutoReconnectSsidLen) == TRUE)) {
1557 struct rt_ndis_802_11_ssid OidSsid;
1558 OidSsid.SsidLength = pAd->MlmeAux.AutoReconnectSsidLen;
1559 NdisMoveMemory(OidSsid.Ssid, pAd->MlmeAux.AutoReconnectSsid,
1560 pAd->MlmeAux.AutoReconnectSsidLen);
1561
1562 DBGPRINT(RT_DEBUG_TRACE,
1563 ("Driver auto reconnect to last OID_802_11_SSID setting - %s, len - %d\n",
1564 pAd->MlmeAux.AutoReconnectSsid,
1565 pAd->MlmeAux.AutoReconnectSsidLen));
1566 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, OID_802_11_SSID,
1567 sizeof(struct rt_ndis_802_11_ssid), &OidSsid);
1568 RTMP_MLME_HANDLER(pAd);
1569 }
1570 }
1571
1572 /*
1573 ==========================================================================
1574 Description:
1575 This routine checks if there're other APs out there capable for
1576 roaming. Caller should call this routine only when Link up in INFRA mode
1577 and channel quality is below CQI_GOOD_THRESHOLD.
1578
1579 IRQL = DISPATCH_LEVEL
1580
1581 Output:
1582 ==========================================================================
1583 */
MlmeCheckForRoaming(struct rt_rtmp_adapter * pAd,unsigned long Now32)1584 void MlmeCheckForRoaming(struct rt_rtmp_adapter *pAd, unsigned long Now32)
1585 {
1586 u16 i;
1587 struct rt_bss_table *pRoamTab = &pAd->MlmeAux.RoamTab;
1588 struct rt_bss_entry *pBss;
1589
1590 DBGPRINT(RT_DEBUG_TRACE, ("==> MlmeCheckForRoaming\n"));
1591 /* put all roaming candidates into RoamTab, and sort in RSSI order */
1592 BssTableInit(pRoamTab);
1593 for (i = 0; i < pAd->ScanTab.BssNr; i++) {
1594 pBss = &pAd->ScanTab.BssEntry[i];
1595
1596 if ((pBss->LastBeaconRxTime + pAd->StaCfg.BeaconLostTime) <
1597 Now32)
1598 continue; /* AP disappear */
1599 if (pBss->Rssi <= RSSI_THRESHOLD_FOR_ROAMING)
1600 continue; /* RSSI too weak. forget it. */
1601 if (MAC_ADDR_EQUAL(pBss->Bssid, pAd->CommonCfg.Bssid))
1602 continue; /* skip current AP */
1603 if (pBss->Rssi <
1604 (pAd->StaCfg.RssiSample.LastRssi0 + RSSI_DELTA))
1605 continue; /* only AP with stronger RSSI is eligible for roaming */
1606
1607 /* AP passing all above rules is put into roaming candidate table */
1608 NdisMoveMemory(&pRoamTab->BssEntry[pRoamTab->BssNr], pBss,
1609 sizeof(struct rt_bss_entry));
1610 pRoamTab->BssNr += 1;
1611 }
1612
1613 if (pRoamTab->BssNr > 0) {
1614 /* check CntlMachine.CurrState to avoid collision with NDIS SetOID request */
1615 if (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE) {
1616 pAd->RalinkCounters.PoorCQIRoamingCount++;
1617 DBGPRINT(RT_DEBUG_TRACE,
1618 ("MMCHK - Roaming attempt #%ld\n",
1619 pAd->RalinkCounters.PoorCQIRoamingCount));
1620 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE,
1621 MT2_MLME_ROAMING_REQ, 0, NULL);
1622 RTMP_MLME_HANDLER(pAd);
1623 }
1624 }
1625 DBGPRINT(RT_DEBUG_TRACE,
1626 ("<== MlmeCheckForRoaming(# of candidate= %d)\n",
1627 pRoamTab->BssNr));
1628 }
1629
1630 /*
1631 ==========================================================================
1632 Description:
1633 This routine checks if there're other APs out there capable for
1634 roaming. Caller should call this routine only when link up in INFRA mode
1635 and channel quality is below CQI_GOOD_THRESHOLD.
1636
1637 IRQL = DISPATCH_LEVEL
1638
1639 Output:
1640 ==========================================================================
1641 */
MlmeCheckForFastRoaming(struct rt_rtmp_adapter * pAd)1642 BOOLEAN MlmeCheckForFastRoaming(struct rt_rtmp_adapter *pAd)
1643 {
1644 u16 i;
1645 struct rt_bss_table *pRoamTab = &pAd->MlmeAux.RoamTab;
1646 struct rt_bss_entry *pBss;
1647
1648 DBGPRINT(RT_DEBUG_TRACE, ("==> MlmeCheckForFastRoaming\n"));
1649 /* put all roaming candidates into RoamTab, and sort in RSSI order */
1650 BssTableInit(pRoamTab);
1651 for (i = 0; i < pAd->ScanTab.BssNr; i++) {
1652 pBss = &pAd->ScanTab.BssEntry[i];
1653
1654 if ((pBss->Rssi <= -50)
1655 && (pBss->Channel == pAd->CommonCfg.Channel))
1656 continue; /* RSSI too weak. forget it. */
1657 if (MAC_ADDR_EQUAL(pBss->Bssid, pAd->CommonCfg.Bssid))
1658 continue; /* skip current AP */
1659 if (!SSID_EQUAL
1660 (pBss->Ssid, pBss->SsidLen, pAd->CommonCfg.Ssid,
1661 pAd->CommonCfg.SsidLen))
1662 continue; /* skip different SSID */
1663 if (pBss->Rssi <
1664 (RTMPMaxRssi
1665 (pAd, pAd->StaCfg.RssiSample.LastRssi0,
1666 pAd->StaCfg.RssiSample.LastRssi1,
1667 pAd->StaCfg.RssiSample.LastRssi2) + RSSI_DELTA))
1668 continue; /* skip AP without better RSSI */
1669
1670 DBGPRINT(RT_DEBUG_TRACE,
1671 ("LastRssi0 = %d, pBss->Rssi = %d\n",
1672 RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0,
1673 pAd->StaCfg.RssiSample.LastRssi1,
1674 pAd->StaCfg.RssiSample.LastRssi2),
1675 pBss->Rssi));
1676 /* AP passing all above rules is put into roaming candidate table */
1677 NdisMoveMemory(&pRoamTab->BssEntry[pRoamTab->BssNr], pBss,
1678 sizeof(struct rt_bss_entry));
1679 pRoamTab->BssNr += 1;
1680 }
1681
1682 DBGPRINT(RT_DEBUG_TRACE,
1683 ("<== MlmeCheckForFastRoaming (BssNr=%d)\n", pRoamTab->BssNr));
1684 if (pRoamTab->BssNr > 0) {
1685 /* check CntlMachine.CurrState to avoid collision with NDIS SetOID request */
1686 if (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE) {
1687 pAd->RalinkCounters.PoorCQIRoamingCount++;
1688 DBGPRINT(RT_DEBUG_TRACE,
1689 ("MMCHK - Roaming attempt #%ld\n",
1690 pAd->RalinkCounters.PoorCQIRoamingCount));
1691 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE,
1692 MT2_MLME_ROAMING_REQ, 0, NULL);
1693 RTMP_MLME_HANDLER(pAd);
1694 return TRUE;
1695 }
1696 }
1697
1698 return FALSE;
1699 }
1700
MlmeSetTxRate(struct rt_rtmp_adapter * pAd,struct rt_mac_table_entry * pEntry,struct rt_rtmp_tx_rate_switch * pTxRate)1701 void MlmeSetTxRate(struct rt_rtmp_adapter *pAd,
1702 struct rt_mac_table_entry *pEntry, struct rt_rtmp_tx_rate_switch * pTxRate)
1703 {
1704 u8 MaxMode = MODE_OFDM;
1705
1706 MaxMode = MODE_HTGREENFIELD;
1707
1708 if (pTxRate->STBC && (pAd->StaCfg.MaxHTPhyMode.field.STBC)
1709 && (pAd->Antenna.field.TxPath == 2))
1710 pAd->StaCfg.HTPhyMode.field.STBC = STBC_USE;
1711 else
1712 pAd->StaCfg.HTPhyMode.field.STBC = STBC_NONE;
1713
1714 if (pTxRate->CurrMCS < MCS_AUTO)
1715 pAd->StaCfg.HTPhyMode.field.MCS = pTxRate->CurrMCS;
1716
1717 if (pAd->StaCfg.HTPhyMode.field.MCS > 7)
1718 pAd->StaCfg.HTPhyMode.field.STBC = STBC_NONE;
1719
1720 if (ADHOC_ON(pAd)) {
1721 /* If peer adhoc is b-only mode, we can't send 11g rate. */
1722 pAd->StaCfg.HTPhyMode.field.ShortGI = GI_800;
1723 pEntry->HTPhyMode.field.STBC = STBC_NONE;
1724
1725 /* */
1726 /* For Adhoc MODE_CCK, driver will use AdhocBOnlyJoined flag to roll back to B only if necessary */
1727 /* */
1728 pEntry->HTPhyMode.field.MODE = pTxRate->Mode;
1729 pEntry->HTPhyMode.field.ShortGI =
1730 pAd->StaCfg.HTPhyMode.field.ShortGI;
1731 pEntry->HTPhyMode.field.MCS = pAd->StaCfg.HTPhyMode.field.MCS;
1732
1733 /* Patch speed error in status page */
1734 pAd->StaCfg.HTPhyMode.field.MODE = pEntry->HTPhyMode.field.MODE;
1735 } else {
1736 if (pTxRate->Mode <= MaxMode)
1737 pAd->StaCfg.HTPhyMode.field.MODE = pTxRate->Mode;
1738
1739 if (pTxRate->ShortGI
1740 && (pAd->StaCfg.MaxHTPhyMode.field.ShortGI))
1741 pAd->StaCfg.HTPhyMode.field.ShortGI = GI_400;
1742 else
1743 pAd->StaCfg.HTPhyMode.field.ShortGI = GI_800;
1744
1745 /* Reexam each bandwidth's SGI support. */
1746 if (pAd->StaCfg.HTPhyMode.field.ShortGI == GI_400) {
1747 if ((pEntry->HTPhyMode.field.BW == BW_20)
1748 &&
1749 (!CLIENT_STATUS_TEST_FLAG
1750 (pEntry, fCLIENT_STATUS_SGI20_CAPABLE)))
1751 pAd->StaCfg.HTPhyMode.field.ShortGI = GI_800;
1752 if ((pEntry->HTPhyMode.field.BW == BW_40)
1753 &&
1754 (!CLIENT_STATUS_TEST_FLAG
1755 (pEntry, fCLIENT_STATUS_SGI40_CAPABLE)))
1756 pAd->StaCfg.HTPhyMode.field.ShortGI = GI_800;
1757 }
1758 /* Turn RTS/CTS rate to 6Mbps. */
1759 if ((pEntry->HTPhyMode.field.MCS == 0)
1760 && (pAd->StaCfg.HTPhyMode.field.MCS != 0)) {
1761 pEntry->HTPhyMode.field.MCS =
1762 pAd->StaCfg.HTPhyMode.field.MCS;
1763 if (pAd->MacTab.fAnyBASession) {
1764 AsicUpdateProtect(pAd, HT_FORCERTSCTS,
1765 ALLN_SETPROTECT, TRUE,
1766 (BOOLEAN) pAd->MlmeAux.
1767 AddHtInfo.AddHtInfo2.
1768 NonGfPresent);
1769 } else {
1770 AsicUpdateProtect(pAd,
1771 pAd->MlmeAux.AddHtInfo.
1772 AddHtInfo2.OperaionMode,
1773 ALLN_SETPROTECT, TRUE,
1774 (BOOLEAN) pAd->MlmeAux.
1775 AddHtInfo.AddHtInfo2.
1776 NonGfPresent);
1777 }
1778 } else if ((pEntry->HTPhyMode.field.MCS == 8)
1779 && (pAd->StaCfg.HTPhyMode.field.MCS != 8)) {
1780 pEntry->HTPhyMode.field.MCS =
1781 pAd->StaCfg.HTPhyMode.field.MCS;
1782 if (pAd->MacTab.fAnyBASession) {
1783 AsicUpdateProtect(pAd, HT_FORCERTSCTS,
1784 ALLN_SETPROTECT, TRUE,
1785 (BOOLEAN) pAd->MlmeAux.
1786 AddHtInfo.AddHtInfo2.
1787 NonGfPresent);
1788 } else {
1789 AsicUpdateProtect(pAd,
1790 pAd->MlmeAux.AddHtInfo.
1791 AddHtInfo2.OperaionMode,
1792 ALLN_SETPROTECT, TRUE,
1793 (BOOLEAN) pAd->MlmeAux.
1794 AddHtInfo.AddHtInfo2.
1795 NonGfPresent);
1796 }
1797 } else if ((pEntry->HTPhyMode.field.MCS != 0)
1798 && (pAd->StaCfg.HTPhyMode.field.MCS == 0)) {
1799 AsicUpdateProtect(pAd, HT_RTSCTS_6M, ALLN_SETPROTECT,
1800 TRUE,
1801 (BOOLEAN) pAd->MlmeAux.AddHtInfo.
1802 AddHtInfo2.NonGfPresent);
1803
1804 } else if ((pEntry->HTPhyMode.field.MCS != 8)
1805 && (pAd->StaCfg.HTPhyMode.field.MCS == 8)) {
1806 AsicUpdateProtect(pAd, HT_RTSCTS_6M, ALLN_SETPROTECT,
1807 TRUE,
1808 (BOOLEAN) pAd->MlmeAux.AddHtInfo.
1809 AddHtInfo2.NonGfPresent);
1810 }
1811
1812 pEntry->HTPhyMode.field.STBC = pAd->StaCfg.HTPhyMode.field.STBC;
1813 pEntry->HTPhyMode.field.ShortGI =
1814 pAd->StaCfg.HTPhyMode.field.ShortGI;
1815 pEntry->HTPhyMode.field.MCS = pAd->StaCfg.HTPhyMode.field.MCS;
1816 pEntry->HTPhyMode.field.MODE = pAd->StaCfg.HTPhyMode.field.MODE;
1817 if ((pAd->StaCfg.MaxHTPhyMode.field.MODE == MODE_HTGREENFIELD)
1818 && pAd->WIFItestbed.bGreenField)
1819 pEntry->HTPhyMode.field.MODE = MODE_HTGREENFIELD;
1820 }
1821
1822 pAd->LastTxRate = (u16)(pEntry->HTPhyMode.word);
1823 }
1824
1825 /*
1826 ==========================================================================
1827 Description:
1828 This routine calculates the acumulated TxPER of eaxh TxRate. And
1829 according to the calculation result, change CommonCfg.TxRate which
1830 is the stable TX Rate we expect the Radio situation could sustained.
1831
1832 CommonCfg.TxRate will change dynamically within {RATE_1/RATE_6, MaxTxRate}
1833 Output:
1834 CommonCfg.TxRate -
1835
1836 IRQL = DISPATCH_LEVEL
1837
1838 NOTE:
1839 call this routine every second
1840 ==========================================================================
1841 */
MlmeDynamicTxRateSwitching(struct rt_rtmp_adapter * pAd)1842 void MlmeDynamicTxRateSwitching(struct rt_rtmp_adapter *pAd)
1843 {
1844 u8 UpRateIdx = 0, DownRateIdx = 0, CurrRateIdx;
1845 unsigned long i, AccuTxTotalCnt = 0, TxTotalCnt;
1846 unsigned long TxErrorRatio = 0;
1847 BOOLEAN bTxRateChanged = FALSE, bUpgradeQuality = FALSE;
1848 struct rt_rtmp_tx_rate_switch *pCurrTxRate, *pNextTxRate = NULL;
1849 u8 *pTable;
1850 u8 TableSize = 0;
1851 u8 InitTxRateIdx = 0, TrainUp, TrainDown;
1852 char Rssi, RssiOffset = 0;
1853 TX_STA_CNT1_STRUC StaTx1;
1854 TX_STA_CNT0_STRUC TxStaCnt0;
1855 unsigned long TxRetransmit = 0, TxSuccess = 0, TxFailCount = 0;
1856 struct rt_mac_table_entry *pEntry;
1857 struct rt_rssi_sample *pRssi = &pAd->StaCfg.RssiSample;
1858
1859 /* */
1860 /* walk through MAC table, see if need to change AP's TX rate toward each entry */
1861 /* */
1862 for (i = 1; i < MAX_LEN_OF_MAC_TABLE; i++) {
1863 pEntry = &pAd->MacTab.Content[i];
1864
1865 /* check if this entry need to switch rate automatically */
1866 if (RTMPCheckEntryEnableAutoRateSwitch(pAd, pEntry) == FALSE)
1867 continue;
1868
1869 if ((pAd->MacTab.Size == 1) || (pEntry->ValidAsDls)) {
1870 Rssi = RTMPMaxRssi(pAd,
1871 pRssi->AvgRssi0,
1872 pRssi->AvgRssi1, pRssi->AvgRssi2);
1873
1874 /* Update statistic counter */
1875 RTMP_IO_READ32(pAd, TX_STA_CNT0, &TxStaCnt0.word);
1876 RTMP_IO_READ32(pAd, TX_STA_CNT1, &StaTx1.word);
1877 pAd->bUpdateBcnCntDone = TRUE;
1878 TxRetransmit = StaTx1.field.TxRetransmit;
1879 TxSuccess = StaTx1.field.TxSuccess;
1880 TxFailCount = TxStaCnt0.field.TxFailCount;
1881 TxTotalCnt = TxRetransmit + TxSuccess + TxFailCount;
1882
1883 pAd->RalinkCounters.OneSecTxRetryOkCount +=
1884 StaTx1.field.TxRetransmit;
1885 pAd->RalinkCounters.OneSecTxNoRetryOkCount +=
1886 StaTx1.field.TxSuccess;
1887 pAd->RalinkCounters.OneSecTxFailCount +=
1888 TxStaCnt0.field.TxFailCount;
1889 pAd->WlanCounters.TransmittedFragmentCount.u.LowPart +=
1890 StaTx1.field.TxSuccess;
1891 pAd->WlanCounters.RetryCount.u.LowPart +=
1892 StaTx1.field.TxRetransmit;
1893 pAd->WlanCounters.FailedCount.u.LowPart +=
1894 TxStaCnt0.field.TxFailCount;
1895
1896 /* if no traffic in the past 1-sec period, don't change TX rate, */
1897 /* but clear all bad history. because the bad history may affect the next */
1898 /* Chariot throughput test */
1899 AccuTxTotalCnt =
1900 pAd->RalinkCounters.OneSecTxNoRetryOkCount +
1901 pAd->RalinkCounters.OneSecTxRetryOkCount +
1902 pAd->RalinkCounters.OneSecTxFailCount;
1903
1904 if (TxTotalCnt)
1905 TxErrorRatio =
1906 ((TxRetransmit +
1907 TxFailCount) * 100) / TxTotalCnt;
1908 } else {
1909 if (INFRA_ON(pAd) && (i == 1))
1910 Rssi = RTMPMaxRssi(pAd,
1911 pRssi->AvgRssi0,
1912 pRssi->AvgRssi1,
1913 pRssi->AvgRssi2);
1914 else
1915 Rssi = RTMPMaxRssi(pAd,
1916 pEntry->RssiSample.AvgRssi0,
1917 pEntry->RssiSample.AvgRssi1,
1918 pEntry->RssiSample.AvgRssi2);
1919
1920 TxTotalCnt = pEntry->OneSecTxNoRetryOkCount +
1921 pEntry->OneSecTxRetryOkCount +
1922 pEntry->OneSecTxFailCount;
1923
1924 if (TxTotalCnt)
1925 TxErrorRatio =
1926 ((pEntry->OneSecTxRetryOkCount +
1927 pEntry->OneSecTxFailCount) * 100) /
1928 TxTotalCnt;
1929 }
1930
1931 if (TxTotalCnt) {
1932 /*
1933 Three AdHoc connections can not work normally if one AdHoc connection is disappeared from a heavy traffic environment generated by ping tool
1934 We force to set LongRtyLimit and ShortRtyLimit to 0 to stop retransmitting packet, after a while, resoring original settings
1935 */
1936 if (TxErrorRatio == 100) {
1937 TX_RTY_CFG_STRUC TxRtyCfg, TxRtyCfgtmp;
1938 unsigned long Index;
1939 unsigned long MACValue;
1940
1941 RTMP_IO_READ32(pAd, TX_RTY_CFG, &TxRtyCfg.word);
1942 TxRtyCfgtmp.word = TxRtyCfg.word;
1943 TxRtyCfg.field.LongRtyLimit = 0x0;
1944 TxRtyCfg.field.ShortRtyLimit = 0x0;
1945 RTMP_IO_WRITE32(pAd, TX_RTY_CFG, TxRtyCfg.word);
1946
1947 RTMPusecDelay(1);
1948
1949 Index = 0;
1950 MACValue = 0;
1951 do {
1952 RTMP_IO_READ32(pAd, TXRXQ_PCNT,
1953 &MACValue);
1954 if ((MACValue & 0xffffff) == 0)
1955 break;
1956 Index++;
1957 RTMPusecDelay(1000);
1958 } while ((Index < 330)
1959 &&
1960 (!RTMP_TEST_FLAG
1961 (pAd,
1962 fRTMP_ADAPTER_HALT_IN_PROGRESS)));
1963
1964 RTMP_IO_READ32(pAd, TX_RTY_CFG, &TxRtyCfg.word);
1965 TxRtyCfg.field.LongRtyLimit =
1966 TxRtyCfgtmp.field.LongRtyLimit;
1967 TxRtyCfg.field.ShortRtyLimit =
1968 TxRtyCfgtmp.field.ShortRtyLimit;
1969 RTMP_IO_WRITE32(pAd, TX_RTY_CFG, TxRtyCfg.word);
1970 }
1971 }
1972
1973 CurrRateIdx = pEntry->CurrTxRateIndex;
1974
1975 MlmeSelectTxRateTable(pAd, pEntry, &pTable, &TableSize,
1976 &InitTxRateIdx);
1977
1978 if (CurrRateIdx >= TableSize) {
1979 CurrRateIdx = TableSize - 1;
1980 }
1981 /* When switch from Fixed rate -> auto rate, the REAL TX rate might be different from pAd->CommonCfg.TxRateIndex. */
1982 /* So need to sync here. */
1983 pCurrTxRate =
1984 (struct rt_rtmp_tx_rate_switch *) & pTable[(CurrRateIdx + 1) * 5];
1985 if ((pEntry->HTPhyMode.field.MCS != pCurrTxRate->CurrMCS)
1986 /*&& (pAd->StaCfg.bAutoTxRateSwitch == TRUE) */
1987 ) {
1988
1989 /* Need to sync Real Tx rate and our record. */
1990 /* Then return for next DRS. */
1991 pCurrTxRate =
1992 (struct rt_rtmp_tx_rate_switch *) & pTable[(InitTxRateIdx + 1)
1993 * 5];
1994 pEntry->CurrTxRateIndex = InitTxRateIdx;
1995 MlmeSetTxRate(pAd, pEntry, pCurrTxRate);
1996
1997 /* reset all OneSecTx counters */
1998 RESET_ONE_SEC_TX_CNT(pEntry);
1999 continue;
2000 }
2001 /* decide the next upgrade rate and downgrade rate, if any */
2002 if ((CurrRateIdx > 0) && (CurrRateIdx < (TableSize - 1))) {
2003 UpRateIdx = CurrRateIdx + 1;
2004 DownRateIdx = CurrRateIdx - 1;
2005 } else if (CurrRateIdx == 0) {
2006 UpRateIdx = CurrRateIdx + 1;
2007 DownRateIdx = CurrRateIdx;
2008 } else if (CurrRateIdx == (TableSize - 1)) {
2009 UpRateIdx = CurrRateIdx;
2010 DownRateIdx = CurrRateIdx - 1;
2011 }
2012
2013 pCurrTxRate =
2014 (struct rt_rtmp_tx_rate_switch *) & pTable[(CurrRateIdx + 1) * 5];
2015
2016 if ((Rssi > -65) && (pCurrTxRate->Mode >= MODE_HTMIX)) {
2017 TrainUp =
2018 (pCurrTxRate->TrainUp +
2019 (pCurrTxRate->TrainUp >> 1));
2020 TrainDown =
2021 (pCurrTxRate->TrainDown +
2022 (pCurrTxRate->TrainDown >> 1));
2023 } else {
2024 TrainUp = pCurrTxRate->TrainUp;
2025 TrainDown = pCurrTxRate->TrainDown;
2026 }
2027
2028 /*pAd->DrsCounters.LastTimeTxRateChangeAction = pAd->DrsCounters.LastSecTxRateChangeAction; */
2029
2030 /* */
2031 /* Keep the last time TxRateChangeAction status. */
2032 /* */
2033 pEntry->LastTimeTxRateChangeAction =
2034 pEntry->LastSecTxRateChangeAction;
2035
2036 /* */
2037 /* CASE 1. when TX samples are fewer than 15, then decide TX rate solely on RSSI */
2038 /* (criteria copied from RT2500 for Netopia case) */
2039 /* */
2040 if (TxTotalCnt <= 15) {
2041 char idx = 0;
2042 u8 TxRateIdx;
2043 u8 MCS0 = 0, MCS1 = 0, MCS2 = 0, MCS3 = 0, MCS4 =
2044 0, MCS5 = 0, MCS6 = 0, MCS7 = 0;
2045 u8 MCS12 = 0, MCS13 = 0, MCS14 = 0, MCS15 = 0;
2046 u8 MCS20 = 0, MCS21 = 0, MCS22 = 0, MCS23 = 0; /* 3*3 */
2047
2048 /* check the existence and index of each needed MCS */
2049 while (idx < pTable[0]) {
2050 pCurrTxRate =
2051 (struct rt_rtmp_tx_rate_switch *) & pTable[(idx + 1) *
2052 5];
2053
2054 if (pCurrTxRate->CurrMCS == MCS_0) {
2055 MCS0 = idx;
2056 } else if (pCurrTxRate->CurrMCS == MCS_1) {
2057 MCS1 = idx;
2058 } else if (pCurrTxRate->CurrMCS == MCS_2) {
2059 MCS2 = idx;
2060 } else if (pCurrTxRate->CurrMCS == MCS_3) {
2061 MCS3 = idx;
2062 } else if (pCurrTxRate->CurrMCS == MCS_4) {
2063 MCS4 = idx;
2064 } else if (pCurrTxRate->CurrMCS == MCS_5) {
2065 MCS5 = idx;
2066 } else if (pCurrTxRate->CurrMCS == MCS_6) {
2067 MCS6 = idx;
2068 }
2069 /*else if (pCurrTxRate->CurrMCS == MCS_7) */
2070 else if ((pCurrTxRate->CurrMCS == MCS_7) && (pCurrTxRate->ShortGI == GI_800)) /* prevent the highest MCS using short GI when 1T and low throughput */
2071 {
2072 MCS7 = idx;
2073 } else if (pCurrTxRate->CurrMCS == MCS_12) {
2074 MCS12 = idx;
2075 } else if (pCurrTxRate->CurrMCS == MCS_13) {
2076 MCS13 = idx;
2077 } else if (pCurrTxRate->CurrMCS == MCS_14) {
2078 MCS14 = idx;
2079 }
2080 else if ((pCurrTxRate->CurrMCS == MCS_15) && (pCurrTxRate->ShortGI == GI_800)) /*we hope to use ShortGI as initial rate, however Atheros's chip has bugs when short GI */
2081 {
2082 MCS15 = idx;
2083 } else if (pCurrTxRate->CurrMCS == MCS_20) /* 3*3 */
2084 {
2085 MCS20 = idx;
2086 } else if (pCurrTxRate->CurrMCS == MCS_21) {
2087 MCS21 = idx;
2088 } else if (pCurrTxRate->CurrMCS == MCS_22) {
2089 MCS22 = idx;
2090 } else if (pCurrTxRate->CurrMCS == MCS_23) {
2091 MCS23 = idx;
2092 }
2093 idx++;
2094 }
2095
2096 if (pAd->LatchRfRegs.Channel <= 14) {
2097 if (pAd->NicConfig2.field.ExternalLNAForG) {
2098 RssiOffset = 2;
2099 } else {
2100 RssiOffset = 5;
2101 }
2102 } else {
2103 if (pAd->NicConfig2.field.ExternalLNAForA) {
2104 RssiOffset = 5;
2105 } else {
2106 RssiOffset = 8;
2107 }
2108 }
2109
2110 /*if (MCS15) */
2111 if ((pTable == RateSwitchTable11BGN3S) || (pTable == RateSwitchTable11N3S) || (pTable == RateSwitchTable)) { /* N mode with 3 stream // 3*3 */
2112 if (MCS23 && (Rssi >= -70))
2113 TxRateIdx = MCS23;
2114 else if (MCS22 && (Rssi >= -72))
2115 TxRateIdx = MCS22;
2116 else if (MCS21 && (Rssi >= -76))
2117 TxRateIdx = MCS21;
2118 else if (MCS20 && (Rssi >= -78))
2119 TxRateIdx = MCS20;
2120 else if (MCS4 && (Rssi >= -82))
2121 TxRateIdx = MCS4;
2122 else if (MCS3 && (Rssi >= -84))
2123 TxRateIdx = MCS3;
2124 else if (MCS2 && (Rssi >= -86))
2125 TxRateIdx = MCS2;
2126 else if (MCS1 && (Rssi >= -88))
2127 TxRateIdx = MCS1;
2128 else
2129 TxRateIdx = MCS0;
2130 }
2131 /* else if ((pTable == RateSwitchTable11BGN2S) || (pTable == RateSwitchTable11BGN2SForABand) ||(pTable == RateSwitchTable11N2S) ||(pTable == RateSwitchTable11N2SForABand) || (pTable == RateSwitchTable)) */
2132 else if ((pTable == RateSwitchTable11BGN2S) || (pTable == RateSwitchTable11BGN2SForABand) || (pTable == RateSwitchTable11N2S) || (pTable == RateSwitchTable11N2SForABand)) /* 3*3 */
2133 { /* N mode with 2 stream */
2134 if (MCS15 && (Rssi >= (-70 + RssiOffset)))
2135 TxRateIdx = MCS15;
2136 else if (MCS14 && (Rssi >= (-72 + RssiOffset)))
2137 TxRateIdx = MCS14;
2138 else if (MCS13 && (Rssi >= (-76 + RssiOffset)))
2139 TxRateIdx = MCS13;
2140 else if (MCS12 && (Rssi >= (-78 + RssiOffset)))
2141 TxRateIdx = MCS12;
2142 else if (MCS4 && (Rssi >= (-82 + RssiOffset)))
2143 TxRateIdx = MCS4;
2144 else if (MCS3 && (Rssi >= (-84 + RssiOffset)))
2145 TxRateIdx = MCS3;
2146 else if (MCS2 && (Rssi >= (-86 + RssiOffset)))
2147 TxRateIdx = MCS2;
2148 else if (MCS1 && (Rssi >= (-88 + RssiOffset)))
2149 TxRateIdx = MCS1;
2150 else
2151 TxRateIdx = MCS0;
2152 } else if ((pTable == RateSwitchTable11BGN1S) || (pTable == RateSwitchTable11N1S)) { /* N mode with 1 stream */
2153 if (MCS7 && (Rssi > (-72 + RssiOffset)))
2154 TxRateIdx = MCS7;
2155 else if (MCS6 && (Rssi > (-74 + RssiOffset)))
2156 TxRateIdx = MCS6;
2157 else if (MCS5 && (Rssi > (-77 + RssiOffset)))
2158 TxRateIdx = MCS5;
2159 else if (MCS4 && (Rssi > (-79 + RssiOffset)))
2160 TxRateIdx = MCS4;
2161 else if (MCS3 && (Rssi > (-81 + RssiOffset)))
2162 TxRateIdx = MCS3;
2163 else if (MCS2 && (Rssi > (-83 + RssiOffset)))
2164 TxRateIdx = MCS2;
2165 else if (MCS1 && (Rssi > (-86 + RssiOffset)))
2166 TxRateIdx = MCS1;
2167 else
2168 TxRateIdx = MCS0;
2169 } else { /* Legacy mode */
2170 if (MCS7 && (Rssi > -70))
2171 TxRateIdx = MCS7;
2172 else if (MCS6 && (Rssi > -74))
2173 TxRateIdx = MCS6;
2174 else if (MCS5 && (Rssi > -78))
2175 TxRateIdx = MCS5;
2176 else if (MCS4 && (Rssi > -82))
2177 TxRateIdx = MCS4;
2178 else if (MCS4 == 0) /* for B-only mode */
2179 TxRateIdx = MCS3;
2180 else if (MCS3 && (Rssi > -85))
2181 TxRateIdx = MCS3;
2182 else if (MCS2 && (Rssi > -87))
2183 TxRateIdx = MCS2;
2184 else if (MCS1 && (Rssi > -90))
2185 TxRateIdx = MCS1;
2186 else
2187 TxRateIdx = MCS0;
2188 }
2189
2190 /* if (TxRateIdx != pAd->CommonCfg.TxRateIndex) */
2191 {
2192 pEntry->CurrTxRateIndex = TxRateIdx;
2193 pNextTxRate =
2194 (struct rt_rtmp_tx_rate_switch *) &
2195 pTable[(pEntry->CurrTxRateIndex + 1) * 5];
2196 MlmeSetTxRate(pAd, pEntry, pNextTxRate);
2197 }
2198
2199 NdisZeroMemory(pEntry->TxQuality,
2200 sizeof(u16)*
2201 MAX_STEP_OF_TX_RATE_SWITCH);
2202 NdisZeroMemory(pEntry->PER,
2203 sizeof(u8)*
2204 MAX_STEP_OF_TX_RATE_SWITCH);
2205 pEntry->fLastSecAccordingRSSI = TRUE;
2206 /* reset all OneSecTx counters */
2207 RESET_ONE_SEC_TX_CNT(pEntry);
2208
2209 continue;
2210 }
2211
2212 if (pEntry->fLastSecAccordingRSSI == TRUE) {
2213 pEntry->fLastSecAccordingRSSI = FALSE;
2214 pEntry->LastSecTxRateChangeAction = 0;
2215 /* reset all OneSecTx counters */
2216 RESET_ONE_SEC_TX_CNT(pEntry);
2217
2218 continue;
2219 }
2220
2221 do {
2222 BOOLEAN bTrainUpDown = FALSE;
2223
2224 pEntry->CurrTxRateStableTime++;
2225
2226 /* downgrade TX quality if PER >= Rate-Down threshold */
2227 if (TxErrorRatio >= TrainDown) {
2228 bTrainUpDown = TRUE;
2229 pEntry->TxQuality[CurrRateIdx] =
2230 DRS_TX_QUALITY_WORST_BOUND;
2231 }
2232 /* upgrade TX quality if PER <= Rate-Up threshold */
2233 else if (TxErrorRatio <= TrainUp) {
2234 bTrainUpDown = TRUE;
2235 bUpgradeQuality = TRUE;
2236 if (pEntry->TxQuality[CurrRateIdx])
2237 pEntry->TxQuality[CurrRateIdx]--; /* quality very good in CurrRate */
2238
2239 if (pEntry->TxRateUpPenalty)
2240 pEntry->TxRateUpPenalty--;
2241 else if (pEntry->TxQuality[UpRateIdx])
2242 pEntry->TxQuality[UpRateIdx]--; /* may improve next UP rate's quality */
2243 }
2244
2245 pEntry->PER[CurrRateIdx] = (u8)TxErrorRatio;
2246
2247 if (bTrainUpDown) {
2248 /* perform DRS - consider TxRate Down first, then rate up. */
2249 if ((CurrRateIdx != DownRateIdx)
2250 && (pEntry->TxQuality[CurrRateIdx] >=
2251 DRS_TX_QUALITY_WORST_BOUND)) {
2252 pEntry->CurrTxRateIndex = DownRateIdx;
2253 } else if ((CurrRateIdx != UpRateIdx)
2254 && (pEntry->TxQuality[UpRateIdx] <=
2255 0)) {
2256 pEntry->CurrTxRateIndex = UpRateIdx;
2257 }
2258 }
2259 } while (FALSE);
2260
2261 /* if rate-up happen, clear all bad history of all TX rates */
2262 if (pEntry->CurrTxRateIndex > CurrRateIdx) {
2263 pEntry->CurrTxRateStableTime = 0;
2264 pEntry->TxRateUpPenalty = 0;
2265 pEntry->LastSecTxRateChangeAction = 1; /* rate UP */
2266 NdisZeroMemory(pEntry->TxQuality,
2267 sizeof(u16)*
2268 MAX_STEP_OF_TX_RATE_SWITCH);
2269 NdisZeroMemory(pEntry->PER,
2270 sizeof(u8)*
2271 MAX_STEP_OF_TX_RATE_SWITCH);
2272
2273 /* */
2274 /* For TxRate fast train up */
2275 /* */
2276 if (!pAd->StaCfg.StaQuickResponeForRateUpTimerRunning) {
2277 RTMPSetTimer(&pAd->StaCfg.
2278 StaQuickResponeForRateUpTimer,
2279 100);
2280
2281 pAd->StaCfg.
2282 StaQuickResponeForRateUpTimerRunning = TRUE;
2283 }
2284 bTxRateChanged = TRUE;
2285 }
2286 /* if rate-down happen, only clear DownRate's bad history */
2287 else if (pEntry->CurrTxRateIndex < CurrRateIdx) {
2288 pEntry->CurrTxRateStableTime = 0;
2289 pEntry->TxRateUpPenalty = 0; /* no penalty */
2290 pEntry->LastSecTxRateChangeAction = 2; /* rate DOWN */
2291 pEntry->TxQuality[pEntry->CurrTxRateIndex] = 0;
2292 pEntry->PER[pEntry->CurrTxRateIndex] = 0;
2293
2294 /* */
2295 /* For TxRate fast train down */
2296 /* */
2297 if (!pAd->StaCfg.StaQuickResponeForRateUpTimerRunning) {
2298 RTMPSetTimer(&pAd->StaCfg.
2299 StaQuickResponeForRateUpTimer,
2300 100);
2301
2302 pAd->StaCfg.
2303 StaQuickResponeForRateUpTimerRunning = TRUE;
2304 }
2305 bTxRateChanged = TRUE;
2306 } else {
2307 pEntry->LastSecTxRateChangeAction = 0; /* rate no change */
2308 bTxRateChanged = FALSE;
2309 }
2310
2311 pEntry->LastTxOkCount = TxSuccess;
2312 {
2313 u8 tmpTxRate;
2314
2315 /* to fix tcp ack issue */
2316 if (!bTxRateChanged
2317 && (pAd->RalinkCounters.OneSecReceivedByteCount >
2318 (pAd->RalinkCounters.
2319 OneSecTransmittedByteCount * 5))) {
2320 tmpTxRate = DownRateIdx;
2321 DBGPRINT_RAW(RT_DEBUG_TRACE,
2322 ("DRS: Rx(%d) is 5 times larger than Tx(%d), use low rate (curr=%d, tmp=%d)\n",
2323 pAd->RalinkCounters.
2324 OneSecReceivedByteCount,
2325 pAd->RalinkCounters.
2326 OneSecTransmittedByteCount,
2327 pEntry->CurrTxRateIndex,
2328 tmpTxRate));
2329 } else {
2330 tmpTxRate = pEntry->CurrTxRateIndex;
2331 }
2332
2333 pNextTxRate =
2334 (struct rt_rtmp_tx_rate_switch *) & pTable[(tmpTxRate + 1) *
2335 5];
2336 }
2337 if (bTxRateChanged && pNextTxRate) {
2338 MlmeSetTxRate(pAd, pEntry, pNextTxRate);
2339 }
2340 /* reset all OneSecTx counters */
2341 RESET_ONE_SEC_TX_CNT(pEntry);
2342 }
2343 }
2344
2345 /*
2346 ========================================================================
2347 Routine Description:
2348 Station side, Auto TxRate faster train up timer call back function.
2349
2350 Arguments:
2351 SystemSpecific1 - Not used.
2352 FunctionContext - Pointer to our Adapter context.
2353 SystemSpecific2 - Not used.
2354 SystemSpecific3 - Not used.
2355
2356 Return Value:
2357 None
2358
2359 ========================================================================
2360 */
StaQuickResponeForRateUpExec(void * SystemSpecific1,void * FunctionContext,void * SystemSpecific2,void * SystemSpecific3)2361 void StaQuickResponeForRateUpExec(void *SystemSpecific1,
2362 void *FunctionContext,
2363 void *SystemSpecific2,
2364 void *SystemSpecific3)
2365 {
2366 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
2367 u8 UpRateIdx = 0, DownRateIdx = 0, CurrRateIdx = 0;
2368 unsigned long TxTotalCnt;
2369 unsigned long TxErrorRatio = 0;
2370 BOOLEAN bTxRateChanged; /*, bUpgradeQuality = FALSE; */
2371 struct rt_rtmp_tx_rate_switch *pCurrTxRate, *pNextTxRate = NULL;
2372 u8 *pTable;
2373 u8 TableSize = 0;
2374 u8 InitTxRateIdx = 0, TrainUp, TrainDown;
2375 TX_STA_CNT1_STRUC StaTx1;
2376 TX_STA_CNT0_STRUC TxStaCnt0;
2377 char Rssi, ratio;
2378 unsigned long TxRetransmit = 0, TxSuccess = 0, TxFailCount = 0;
2379 struct rt_mac_table_entry *pEntry;
2380 unsigned long i;
2381
2382 pAd->StaCfg.StaQuickResponeForRateUpTimerRunning = FALSE;
2383
2384 /* */
2385 /* walk through MAC table, see if need to change AP's TX rate toward each entry */
2386 /* */
2387 for (i = 1; i < MAX_LEN_OF_MAC_TABLE; i++) {
2388 pEntry = &pAd->MacTab.Content[i];
2389
2390 /* check if this entry need to switch rate automatically */
2391 if (RTMPCheckEntryEnableAutoRateSwitch(pAd, pEntry) == FALSE)
2392 continue;
2393
2394 if (INFRA_ON(pAd) && (i == 1))
2395 Rssi = RTMPMaxRssi(pAd,
2396 pAd->StaCfg.RssiSample.AvgRssi0,
2397 pAd->StaCfg.RssiSample.AvgRssi1,
2398 pAd->StaCfg.RssiSample.AvgRssi2);
2399 else
2400 Rssi = RTMPMaxRssi(pAd,
2401 pEntry->RssiSample.AvgRssi0,
2402 pEntry->RssiSample.AvgRssi1,
2403 pEntry->RssiSample.AvgRssi2);
2404
2405 CurrRateIdx = pAd->CommonCfg.TxRateIndex;
2406
2407 MlmeSelectTxRateTable(pAd, pEntry, &pTable, &TableSize,
2408 &InitTxRateIdx);
2409
2410 /* decide the next upgrade rate and downgrade rate, if any */
2411 if ((CurrRateIdx > 0) && (CurrRateIdx < (TableSize - 1))) {
2412 UpRateIdx = CurrRateIdx + 1;
2413 DownRateIdx = CurrRateIdx - 1;
2414 } else if (CurrRateIdx == 0) {
2415 UpRateIdx = CurrRateIdx + 1;
2416 DownRateIdx = CurrRateIdx;
2417 } else if (CurrRateIdx == (TableSize - 1)) {
2418 UpRateIdx = CurrRateIdx;
2419 DownRateIdx = CurrRateIdx - 1;
2420 }
2421
2422 pCurrTxRate =
2423 (struct rt_rtmp_tx_rate_switch *) & pTable[(CurrRateIdx + 1) * 5];
2424
2425 if ((Rssi > -65) && (pCurrTxRate->Mode >= MODE_HTMIX)) {
2426 TrainUp =
2427 (pCurrTxRate->TrainUp +
2428 (pCurrTxRate->TrainUp >> 1));
2429 TrainDown =
2430 (pCurrTxRate->TrainDown +
2431 (pCurrTxRate->TrainDown >> 1));
2432 } else {
2433 TrainUp = pCurrTxRate->TrainUp;
2434 TrainDown = pCurrTxRate->TrainDown;
2435 }
2436
2437 if (pAd->MacTab.Size == 1) {
2438 /* Update statistic counter */
2439 RTMP_IO_READ32(pAd, TX_STA_CNT0, &TxStaCnt0.word);
2440 RTMP_IO_READ32(pAd, TX_STA_CNT1, &StaTx1.word);
2441
2442 TxRetransmit = StaTx1.field.TxRetransmit;
2443 TxSuccess = StaTx1.field.TxSuccess;
2444 TxFailCount = TxStaCnt0.field.TxFailCount;
2445 TxTotalCnt = TxRetransmit + TxSuccess + TxFailCount;
2446
2447 pAd->RalinkCounters.OneSecTxRetryOkCount +=
2448 StaTx1.field.TxRetransmit;
2449 pAd->RalinkCounters.OneSecTxNoRetryOkCount +=
2450 StaTx1.field.TxSuccess;
2451 pAd->RalinkCounters.OneSecTxFailCount +=
2452 TxStaCnt0.field.TxFailCount;
2453 pAd->WlanCounters.TransmittedFragmentCount.u.LowPart +=
2454 StaTx1.field.TxSuccess;
2455 pAd->WlanCounters.RetryCount.u.LowPart +=
2456 StaTx1.field.TxRetransmit;
2457 pAd->WlanCounters.FailedCount.u.LowPart +=
2458 TxStaCnt0.field.TxFailCount;
2459
2460 if (TxTotalCnt)
2461 TxErrorRatio =
2462 ((TxRetransmit +
2463 TxFailCount) * 100) / TxTotalCnt;
2464 } else {
2465 TxTotalCnt = pEntry->OneSecTxNoRetryOkCount +
2466 pEntry->OneSecTxRetryOkCount +
2467 pEntry->OneSecTxFailCount;
2468
2469 if (TxTotalCnt)
2470 TxErrorRatio =
2471 ((pEntry->OneSecTxRetryOkCount +
2472 pEntry->OneSecTxFailCount) * 100) /
2473 TxTotalCnt;
2474 }
2475
2476 /* */
2477 /* CASE 1. when TX samples are fewer than 15, then decide TX rate solely on RSSI */
2478 /* (criteria copied from RT2500 for Netopia case) */
2479 /* */
2480 if (TxTotalCnt <= 12) {
2481 NdisZeroMemory(pAd->DrsCounters.TxQuality,
2482 sizeof(u16)*
2483 MAX_STEP_OF_TX_RATE_SWITCH);
2484 NdisZeroMemory(pAd->DrsCounters.PER,
2485 sizeof(u8)*
2486 MAX_STEP_OF_TX_RATE_SWITCH);
2487
2488 if ((pAd->DrsCounters.LastSecTxRateChangeAction == 1)
2489 && (CurrRateIdx != DownRateIdx)) {
2490 pAd->CommonCfg.TxRateIndex = DownRateIdx;
2491 pAd->DrsCounters.TxQuality[CurrRateIdx] =
2492 DRS_TX_QUALITY_WORST_BOUND;
2493 } else
2494 if ((pAd->DrsCounters.LastSecTxRateChangeAction ==
2495 2) && (CurrRateIdx != UpRateIdx)) {
2496 pAd->CommonCfg.TxRateIndex = UpRateIdx;
2497 }
2498
2499 DBGPRINT_RAW(RT_DEBUG_TRACE,
2500 ("QuickDRS: TxTotalCnt <= 15, train back to original rate \n"));
2501 return;
2502 }
2503
2504 do {
2505 unsigned long OneSecTxNoRetryOKRationCount;
2506
2507 if (pAd->DrsCounters.LastTimeTxRateChangeAction == 0)
2508 ratio = 5;
2509 else
2510 ratio = 4;
2511
2512 /* downgrade TX quality if PER >= Rate-Down threshold */
2513 if (TxErrorRatio >= TrainDown) {
2514 pAd->DrsCounters.TxQuality[CurrRateIdx] =
2515 DRS_TX_QUALITY_WORST_BOUND;
2516 }
2517
2518 pAd->DrsCounters.PER[CurrRateIdx] =
2519 (u8)TxErrorRatio;
2520
2521 OneSecTxNoRetryOKRationCount = (TxSuccess * ratio);
2522
2523 /* perform DRS - consider TxRate Down first, then rate up. */
2524 if ((pAd->DrsCounters.LastSecTxRateChangeAction == 1)
2525 && (CurrRateIdx != DownRateIdx)) {
2526 if ((pAd->DrsCounters.LastTxOkCount + 2) >=
2527 OneSecTxNoRetryOKRationCount) {
2528 pAd->CommonCfg.TxRateIndex =
2529 DownRateIdx;
2530 pAd->DrsCounters.
2531 TxQuality[CurrRateIdx] =
2532 DRS_TX_QUALITY_WORST_BOUND;
2533
2534 }
2535
2536 } else
2537 if ((pAd->DrsCounters.LastSecTxRateChangeAction ==
2538 2) && (CurrRateIdx != UpRateIdx)) {
2539 if ((TxErrorRatio >= 50)
2540 || (TxErrorRatio >= TrainDown)) {
2541
2542 } else if ((pAd->DrsCounters.LastTxOkCount + 2)
2543 >= OneSecTxNoRetryOKRationCount) {
2544 pAd->CommonCfg.TxRateIndex = UpRateIdx;
2545 }
2546 }
2547 } while (FALSE);
2548
2549 /* if rate-up happen, clear all bad history of all TX rates */
2550 if (pAd->CommonCfg.TxRateIndex > CurrRateIdx) {
2551 pAd->DrsCounters.TxRateUpPenalty = 0;
2552 NdisZeroMemory(pAd->DrsCounters.TxQuality,
2553 sizeof(u16)*
2554 MAX_STEP_OF_TX_RATE_SWITCH);
2555 NdisZeroMemory(pAd->DrsCounters.PER,
2556 sizeof(u8)*
2557 MAX_STEP_OF_TX_RATE_SWITCH);
2558 bTxRateChanged = TRUE;
2559 }
2560 /* if rate-down happen, only clear DownRate's bad history */
2561 else if (pAd->CommonCfg.TxRateIndex < CurrRateIdx) {
2562 DBGPRINT_RAW(RT_DEBUG_TRACE,
2563 ("QuickDRS: --TX rate from %d to %d \n",
2564 CurrRateIdx, pAd->CommonCfg.TxRateIndex));
2565
2566 pAd->DrsCounters.TxRateUpPenalty = 0; /* no penalty */
2567 pAd->DrsCounters.TxQuality[pAd->CommonCfg.TxRateIndex] =
2568 0;
2569 pAd->DrsCounters.PER[pAd->CommonCfg.TxRateIndex] = 0;
2570 bTxRateChanged = TRUE;
2571 } else {
2572 bTxRateChanged = FALSE;
2573 }
2574
2575 pNextTxRate =
2576 (struct rt_rtmp_tx_rate_switch *) &
2577 pTable[(pAd->CommonCfg.TxRateIndex + 1) * 5];
2578 if (bTxRateChanged && pNextTxRate) {
2579 MlmeSetTxRate(pAd, pEntry, pNextTxRate);
2580 }
2581 }
2582 }
2583
2584 /*
2585 ==========================================================================
2586 Description:
2587 This routine is executed periodically inside MlmePeriodicExec() after
2588 association with an AP.
2589 It checks if StaCfg.Psm is consistent with user policy (recorded in
2590 StaCfg.WindowsPowerMode). If not, enforce user policy. However,
2591 there're some conditions to consider:
2592 1. we don't support power-saving in ADHOC mode, so Psm=PWR_ACTIVE all
2593 the time when Mibss==TRUE
2594 2. When link up in INFRA mode, Psm should not be switch to PWR_SAVE
2595 if outgoing traffic available in TxRing or MgmtRing.
2596 Output:
2597 1. change pAd->StaCfg.Psm to PWR_SAVE or leave it untouched
2598
2599 IRQL = DISPATCH_LEVEL
2600
2601 ==========================================================================
2602 */
MlmeCheckPsmChange(struct rt_rtmp_adapter * pAd,unsigned long Now32)2603 void MlmeCheckPsmChange(struct rt_rtmp_adapter *pAd, unsigned long Now32)
2604 {
2605 unsigned long PowerMode;
2606
2607 /* condition - */
2608 /* 1. Psm maybe ON only happen in INFRASTRUCTURE mode */
2609 /* 2. user wants either MAX_PSP or FAST_PSP */
2610 /* 3. but current psm is not in PWR_SAVE */
2611 /* 4. CNTL state machine is not doing SCANning */
2612 /* 5. no TX SUCCESS event for the past 1-sec period */
2613 PowerMode = pAd->StaCfg.WindowsPowerMode;
2614
2615 if (INFRA_ON(pAd) &&
2616 (PowerMode != Ndis802_11PowerModeCAM) &&
2617 (pAd->StaCfg.Psm == PWR_ACTIVE) &&
2618 /* (! RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS)) */
2619 (pAd->Mlme.CntlMachine.CurrState == CNTL_IDLE) &&
2620 RTMP_TEST_PSFLAG(pAd, fRTMP_PS_CAN_GO_SLEEP)
2621 /*&&
2622 (pAd->RalinkCounters.OneSecTxNoRetryOkCount == 0) &&
2623 (pAd->RalinkCounters.OneSecTxRetryOkCount == 0) */
2624 ) {
2625 NdisGetSystemUpTime(&pAd->Mlme.LastSendNULLpsmTime);
2626 pAd->RalinkCounters.RxCountSinceLastNULL = 0;
2627 RTMP_SET_PSM_BIT(pAd, PWR_SAVE);
2628 if (!
2629 (pAd->CommonCfg.bAPSDCapable
2630 && pAd->CommonCfg.APEdcaParm.bAPSDCapable)) {
2631 RTMPSendNullFrame(pAd, pAd->CommonCfg.TxRate, FALSE);
2632 } else {
2633 RTMPSendNullFrame(pAd, pAd->CommonCfg.TxRate, TRUE);
2634 }
2635 }
2636 }
2637
2638 /* IRQL = PASSIVE_LEVEL */
2639 /* IRQL = DISPATCH_LEVEL */
MlmeSetPsmBit(struct rt_rtmp_adapter * pAd,u16 psm)2640 void MlmeSetPsmBit(struct rt_rtmp_adapter *pAd, u16 psm)
2641 {
2642 AUTO_RSP_CFG_STRUC csr4;
2643
2644 pAd->StaCfg.Psm = psm;
2645 RTMP_IO_READ32(pAd, AUTO_RSP_CFG, &csr4.word);
2646 csr4.field.AckCtsPsmBit = (psm == PWR_SAVE) ? 1 : 0;
2647 RTMP_IO_WRITE32(pAd, AUTO_RSP_CFG, csr4.word);
2648
2649 DBGPRINT(RT_DEBUG_TRACE, ("MlmeSetPsmBit = %d\n", psm));
2650 }
2651
2652 /*
2653 ==========================================================================
2654 Description:
2655 This routine calculates TxPER, RxPER of the past N-sec period. And
2656 according to the calculation result, ChannelQuality is calculated here
2657 to decide if current AP is still doing the job.
2658
2659 If ChannelQuality is not good, a ROAMing attempt may be tried later.
2660 Output:
2661 StaCfg.ChannelQuality - 0..100
2662
2663 IRQL = DISPATCH_LEVEL
2664
2665 NOTE: This routine decide channle quality based on RX CRC error ratio.
2666 Caller should make sure a function call to NICUpdateRawCounters(pAd)
2667 is performed right before this routine, so that this routine can decide
2668 channel quality based on the most up-to-date information
2669 ==========================================================================
2670 */
MlmeCalculateChannelQuality(struct rt_rtmp_adapter * pAd,struct rt_mac_table_entry * pMacEntry,unsigned long Now32)2671 void MlmeCalculateChannelQuality(struct rt_rtmp_adapter *pAd,
2672 struct rt_mac_table_entry *pMacEntry, unsigned long Now32)
2673 {
2674 unsigned long TxOkCnt, TxCnt, TxPER, TxPRR;
2675 unsigned long RxCnt, RxPER;
2676 u8 NorRssi;
2677 char MaxRssi;
2678 struct rt_rssi_sample *pRssiSample = NULL;
2679 u32 OneSecTxNoRetryOkCount = 0;
2680 u32 OneSecTxRetryOkCount = 0;
2681 u32 OneSecTxFailCount = 0;
2682 u32 OneSecRxOkCnt = 0;
2683 u32 OneSecRxFcsErrCnt = 0;
2684 unsigned long ChannelQuality = 0; /* 0..100, Channel Quality Indication for Roaming */
2685 unsigned long BeaconLostTime = pAd->StaCfg.BeaconLostTime;
2686
2687 if (pAd->OpMode == OPMODE_STA) {
2688 pRssiSample = &pAd->StaCfg.RssiSample;
2689 OneSecTxNoRetryOkCount =
2690 pAd->RalinkCounters.OneSecTxNoRetryOkCount;
2691 OneSecTxRetryOkCount = pAd->RalinkCounters.OneSecTxRetryOkCount;
2692 OneSecTxFailCount = pAd->RalinkCounters.OneSecTxFailCount;
2693 OneSecRxOkCnt = pAd->RalinkCounters.OneSecRxOkCnt;
2694 OneSecRxFcsErrCnt = pAd->RalinkCounters.OneSecRxFcsErrCnt;
2695 }
2696
2697 MaxRssi = RTMPMaxRssi(pAd, pRssiSample->LastRssi0,
2698 pRssiSample->LastRssi1, pRssiSample->LastRssi2);
2699
2700 /* */
2701 /* calculate TX packet error ratio and TX retry ratio - if too few TX samples, skip TX related statistics */
2702 /* */
2703 TxOkCnt = OneSecTxNoRetryOkCount + OneSecTxRetryOkCount;
2704 TxCnt = TxOkCnt + OneSecTxFailCount;
2705 if (TxCnt < 5) {
2706 TxPER = 0;
2707 TxPRR = 0;
2708 } else {
2709 TxPER = (OneSecTxFailCount * 100) / TxCnt;
2710 TxPRR = ((TxCnt - OneSecTxNoRetryOkCount) * 100) / TxCnt;
2711 }
2712
2713 /* */
2714 /* calculate RX PER - don't take RxPER into consideration if too few sample */
2715 /* */
2716 RxCnt = OneSecRxOkCnt + OneSecRxFcsErrCnt;
2717 if (RxCnt < 5)
2718 RxPER = 0;
2719 else
2720 RxPER = (OneSecRxFcsErrCnt * 100) / RxCnt;
2721
2722 /* */
2723 /* decide ChannelQuality based on: 1)last BEACON received time, 2)last RSSI, 3)TxPER, and 4)RxPER */
2724 /* */
2725 if ((pAd->OpMode == OPMODE_STA) && INFRA_ON(pAd) && (OneSecTxNoRetryOkCount < 2) && /* no heavy traffic */
2726 ((pAd->StaCfg.LastBeaconRxTime + BeaconLostTime) < Now32)) {
2727 DBGPRINT(RT_DEBUG_TRACE,
2728 ("BEACON lost > %ld msec with TxOkCnt=%ld -> CQI=0\n",
2729 BeaconLostTime, TxOkCnt));
2730 ChannelQuality = 0;
2731 } else {
2732 /* Normalize Rssi */
2733 if (MaxRssi > -40)
2734 NorRssi = 100;
2735 else if (MaxRssi < -90)
2736 NorRssi = 0;
2737 else
2738 NorRssi = (MaxRssi + 90) * 2;
2739
2740 /* ChannelQuality = W1*RSSI + W2*TxPRR + W3*RxPER (RSSI 0..100), (TxPER 100..0), (RxPER 100..0) */
2741 ChannelQuality = (RSSI_WEIGHTING * NorRssi +
2742 TX_WEIGHTING * (100 - TxPRR) +
2743 RX_WEIGHTING * (100 - RxPER)) / 100;
2744 }
2745
2746 if (pAd->OpMode == OPMODE_STA)
2747 pAd->Mlme.ChannelQuality =
2748 (ChannelQuality > 100) ? 100 : ChannelQuality;
2749
2750 }
2751
2752 /* IRQL = DISPATCH_LEVEL */
MlmeSetTxPreamble(struct rt_rtmp_adapter * pAd,u16 TxPreamble)2753 void MlmeSetTxPreamble(struct rt_rtmp_adapter *pAd, u16 TxPreamble)
2754 {
2755 AUTO_RSP_CFG_STRUC csr4;
2756
2757 /* */
2758 /* Always use Long preamble before verifiation short preamble functionality works well. */
2759 /* Todo: remove the following line if short preamble functionality works */
2760 /* */
2761 /*TxPreamble = Rt802_11PreambleLong; */
2762
2763 RTMP_IO_READ32(pAd, AUTO_RSP_CFG, &csr4.word);
2764 if (TxPreamble == Rt802_11PreambleLong) {
2765 DBGPRINT(RT_DEBUG_TRACE,
2766 ("MlmeSetTxPreamble (= long PREAMBLE)\n"));
2767 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED);
2768 csr4.field.AutoResponderPreamble = 0;
2769 } else {
2770 /* NOTE: 1Mbps should always use long preamble */
2771 DBGPRINT(RT_DEBUG_TRACE,
2772 ("MlmeSetTxPreamble (= short PREAMBLE)\n"));
2773 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED);
2774 csr4.field.AutoResponderPreamble = 1;
2775 }
2776
2777 RTMP_IO_WRITE32(pAd, AUTO_RSP_CFG, csr4.word);
2778 }
2779
2780 /*
2781 ==========================================================================
2782 Description:
2783 Update basic rate bitmap
2784 ==========================================================================
2785 */
2786
UpdateBasicRateBitmap(struct rt_rtmp_adapter * pAdapter)2787 void UpdateBasicRateBitmap(struct rt_rtmp_adapter *pAdapter)
2788 {
2789 int i, j;
2790 /* 1 2 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54 */
2791 u8 rate[] = { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 };
2792 u8 *sup_p = pAdapter->CommonCfg.SupRate;
2793 u8 *ext_p = pAdapter->CommonCfg.ExtRate;
2794 unsigned long bitmap = pAdapter->CommonCfg.BasicRateBitmap;
2795
2796 /* if A mode, always use fix BasicRateBitMap */
2797 /*if (pAdapter->CommonCfg.Channel == PHY_11A) */
2798 if (pAdapter->CommonCfg.Channel > 14)
2799 pAdapter->CommonCfg.BasicRateBitmap = 0x150; /* 6, 12, 24M */
2800 /* End of if */
2801
2802 if (pAdapter->CommonCfg.BasicRateBitmap > 4095) {
2803 /* (2 ^ MAX_LEN_OF_SUPPORTED_RATES) -1 */
2804 return;
2805 }
2806 /* End of if */
2807 for (i = 0; i < MAX_LEN_OF_SUPPORTED_RATES; i++) {
2808 sup_p[i] &= 0x7f;
2809 ext_p[i] &= 0x7f;
2810 } /* End of for */
2811
2812 for (i = 0; i < MAX_LEN_OF_SUPPORTED_RATES; i++) {
2813 if (bitmap & (1 << i)) {
2814 for (j = 0; j < MAX_LEN_OF_SUPPORTED_RATES; j++) {
2815 if (sup_p[j] == rate[i])
2816 sup_p[j] |= 0x80;
2817 /* End of if */
2818 } /* End of for */
2819
2820 for (j = 0; j < MAX_LEN_OF_SUPPORTED_RATES; j++) {
2821 if (ext_p[j] == rate[i])
2822 ext_p[j] |= 0x80;
2823 /* End of if */
2824 } /* End of for */
2825 } /* End of if */
2826 } /* End of for */
2827 } /* End of UpdateBasicRateBitmap */
2828
2829 /* IRQL = PASSIVE_LEVEL */
2830 /* IRQL = DISPATCH_LEVEL */
2831 /* bLinkUp is to identify the initial link speed. */
2832 /* TRUE indicates the rate update at linkup, we should not try to set the rate at 54Mbps. */
MlmeUpdateTxRates(struct rt_rtmp_adapter * pAd,IN BOOLEAN bLinkUp,u8 apidx)2833 void MlmeUpdateTxRates(struct rt_rtmp_adapter *pAd, IN BOOLEAN bLinkUp, u8 apidx)
2834 {
2835 int i, num;
2836 u8 Rate = RATE_6, MaxDesire = RATE_1, MaxSupport = RATE_1;
2837 u8 MinSupport = RATE_54;
2838 unsigned long BasicRateBitmap = 0;
2839 u8 CurrBasicRate = RATE_1;
2840 u8 *pSupRate, SupRateLen, *pExtRate, ExtRateLen;
2841 PHTTRANSMIT_SETTING pHtPhy = NULL;
2842 PHTTRANSMIT_SETTING pMaxHtPhy = NULL;
2843 PHTTRANSMIT_SETTING pMinHtPhy = NULL;
2844 BOOLEAN *auto_rate_cur_p;
2845 u8 HtMcs = MCS_AUTO;
2846
2847 /* find max desired rate */
2848 UpdateBasicRateBitmap(pAd);
2849
2850 num = 0;
2851 auto_rate_cur_p = NULL;
2852 for (i = 0; i < MAX_LEN_OF_SUPPORTED_RATES; i++) {
2853 switch (pAd->CommonCfg.DesireRate[i] & 0x7f) {
2854 case 2:
2855 Rate = RATE_1;
2856 num++;
2857 break;
2858 case 4:
2859 Rate = RATE_2;
2860 num++;
2861 break;
2862 case 11:
2863 Rate = RATE_5_5;
2864 num++;
2865 break;
2866 case 22:
2867 Rate = RATE_11;
2868 num++;
2869 break;
2870 case 12:
2871 Rate = RATE_6;
2872 num++;
2873 break;
2874 case 18:
2875 Rate = RATE_9;
2876 num++;
2877 break;
2878 case 24:
2879 Rate = RATE_12;
2880 num++;
2881 break;
2882 case 36:
2883 Rate = RATE_18;
2884 num++;
2885 break;
2886 case 48:
2887 Rate = RATE_24;
2888 num++;
2889 break;
2890 case 72:
2891 Rate = RATE_36;
2892 num++;
2893 break;
2894 case 96:
2895 Rate = RATE_48;
2896 num++;
2897 break;
2898 case 108:
2899 Rate = RATE_54;
2900 num++;
2901 break;
2902 /*default: Rate = RATE_1; break; */
2903 }
2904 if (MaxDesire < Rate)
2905 MaxDesire = Rate;
2906 }
2907
2908 /*=========================================================================== */
2909 /*=========================================================================== */
2910 {
2911 pHtPhy = &pAd->StaCfg.HTPhyMode;
2912 pMaxHtPhy = &pAd->StaCfg.MaxHTPhyMode;
2913 pMinHtPhy = &pAd->StaCfg.MinHTPhyMode;
2914
2915 auto_rate_cur_p = &pAd->StaCfg.bAutoTxRateSwitch;
2916 HtMcs = pAd->StaCfg.DesiredTransmitSetting.field.MCS;
2917
2918 if ((pAd->StaCfg.BssType == BSS_ADHOC) &&
2919 (pAd->CommonCfg.PhyMode == PHY_11B) &&
2920 (MaxDesire > RATE_11)) {
2921 MaxDesire = RATE_11;
2922 }
2923 }
2924
2925 pAd->CommonCfg.MaxDesiredRate = MaxDesire;
2926 pMinHtPhy->word = 0;
2927 pMaxHtPhy->word = 0;
2928 pHtPhy->word = 0;
2929
2930 /* Auto rate switching is enabled only if more than one DESIRED RATES are */
2931 /* specified; otherwise disabled */
2932 if (num <= 1) {
2933 /*OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED); */
2934 /*pAd->CommonCfg.bAutoTxRateSwitch = FALSE; */
2935 *auto_rate_cur_p = FALSE;
2936 } else {
2937 /*OPSTATUS_SET_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED); */
2938 /*pAd->CommonCfg.bAutoTxRateSwitch = TRUE; */
2939 *auto_rate_cur_p = TRUE;
2940 }
2941
2942 if (HtMcs != MCS_AUTO) {
2943 /*OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED); */
2944 /*pAd->CommonCfg.bAutoTxRateSwitch = FALSE; */
2945 *auto_rate_cur_p = FALSE;
2946 } else {
2947 /*OPSTATUS_SET_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED); */
2948 /*pAd->CommonCfg.bAutoTxRateSwitch = TRUE; */
2949 *auto_rate_cur_p = TRUE;
2950 }
2951
2952 if ((ADHOC_ON(pAd) || INFRA_ON(pAd)) && (pAd->OpMode == OPMODE_STA)) {
2953 pSupRate = &pAd->StaActive.SupRate[0];
2954 pExtRate = &pAd->StaActive.ExtRate[0];
2955 SupRateLen = pAd->StaActive.SupRateLen;
2956 ExtRateLen = pAd->StaActive.ExtRateLen;
2957 } else {
2958 pSupRate = &pAd->CommonCfg.SupRate[0];
2959 pExtRate = &pAd->CommonCfg.ExtRate[0];
2960 SupRateLen = pAd->CommonCfg.SupRateLen;
2961 ExtRateLen = pAd->CommonCfg.ExtRateLen;
2962 }
2963
2964 /* find max supported rate */
2965 for (i = 0; i < SupRateLen; i++) {
2966 switch (pSupRate[i] & 0x7f) {
2967 case 2:
2968 Rate = RATE_1;
2969 if (pSupRate[i] & 0x80)
2970 BasicRateBitmap |= 0x0001;
2971 break;
2972 case 4:
2973 Rate = RATE_2;
2974 if (pSupRate[i] & 0x80)
2975 BasicRateBitmap |= 0x0002;
2976 break;
2977 case 11:
2978 Rate = RATE_5_5;
2979 if (pSupRate[i] & 0x80)
2980 BasicRateBitmap |= 0x0004;
2981 break;
2982 case 22:
2983 Rate = RATE_11;
2984 if (pSupRate[i] & 0x80)
2985 BasicRateBitmap |= 0x0008;
2986 break;
2987 case 12:
2988 Rate = RATE_6; /*if (pSupRate[i] & 0x80) */
2989 BasicRateBitmap |= 0x0010;
2990 break;
2991 case 18:
2992 Rate = RATE_9;
2993 if (pSupRate[i] & 0x80)
2994 BasicRateBitmap |= 0x0020;
2995 break;
2996 case 24:
2997 Rate = RATE_12; /*if (pSupRate[i] & 0x80) */
2998 BasicRateBitmap |= 0x0040;
2999 break;
3000 case 36:
3001 Rate = RATE_18;
3002 if (pSupRate[i] & 0x80)
3003 BasicRateBitmap |= 0x0080;
3004 break;
3005 case 48:
3006 Rate = RATE_24; /*if (pSupRate[i] & 0x80) */
3007 BasicRateBitmap |= 0x0100;
3008 break;
3009 case 72:
3010 Rate = RATE_36;
3011 if (pSupRate[i] & 0x80)
3012 BasicRateBitmap |= 0x0200;
3013 break;
3014 case 96:
3015 Rate = RATE_48;
3016 if (pSupRate[i] & 0x80)
3017 BasicRateBitmap |= 0x0400;
3018 break;
3019 case 108:
3020 Rate = RATE_54;
3021 if (pSupRate[i] & 0x80)
3022 BasicRateBitmap |= 0x0800;
3023 break;
3024 default:
3025 Rate = RATE_1;
3026 break;
3027 }
3028 if (MaxSupport < Rate)
3029 MaxSupport = Rate;
3030
3031 if (MinSupport > Rate)
3032 MinSupport = Rate;
3033 }
3034
3035 for (i = 0; i < ExtRateLen; i++) {
3036 switch (pExtRate[i] & 0x7f) {
3037 case 2:
3038 Rate = RATE_1;
3039 if (pExtRate[i] & 0x80)
3040 BasicRateBitmap |= 0x0001;
3041 break;
3042 case 4:
3043 Rate = RATE_2;
3044 if (pExtRate[i] & 0x80)
3045 BasicRateBitmap |= 0x0002;
3046 break;
3047 case 11:
3048 Rate = RATE_5_5;
3049 if (pExtRate[i] & 0x80)
3050 BasicRateBitmap |= 0x0004;
3051 break;
3052 case 22:
3053 Rate = RATE_11;
3054 if (pExtRate[i] & 0x80)
3055 BasicRateBitmap |= 0x0008;
3056 break;
3057 case 12:
3058 Rate = RATE_6; /*if (pExtRate[i] & 0x80) */
3059 BasicRateBitmap |= 0x0010;
3060 break;
3061 case 18:
3062 Rate = RATE_9;
3063 if (pExtRate[i] & 0x80)
3064 BasicRateBitmap |= 0x0020;
3065 break;
3066 case 24:
3067 Rate = RATE_12; /*if (pExtRate[i] & 0x80) */
3068 BasicRateBitmap |= 0x0040;
3069 break;
3070 case 36:
3071 Rate = RATE_18;
3072 if (pExtRate[i] & 0x80)
3073 BasicRateBitmap |= 0x0080;
3074 break;
3075 case 48:
3076 Rate = RATE_24; /*if (pExtRate[i] & 0x80) */
3077 BasicRateBitmap |= 0x0100;
3078 break;
3079 case 72:
3080 Rate = RATE_36;
3081 if (pExtRate[i] & 0x80)
3082 BasicRateBitmap |= 0x0200;
3083 break;
3084 case 96:
3085 Rate = RATE_48;
3086 if (pExtRate[i] & 0x80)
3087 BasicRateBitmap |= 0x0400;
3088 break;
3089 case 108:
3090 Rate = RATE_54;
3091 if (pExtRate[i] & 0x80)
3092 BasicRateBitmap |= 0x0800;
3093 break;
3094 default:
3095 Rate = RATE_1;
3096 break;
3097 }
3098 if (MaxSupport < Rate)
3099 MaxSupport = Rate;
3100
3101 if (MinSupport > Rate)
3102 MinSupport = Rate;
3103 }
3104
3105 RTMP_IO_WRITE32(pAd, LEGACY_BASIC_RATE, BasicRateBitmap);
3106
3107 /* bug fix */
3108 /* pAd->CommonCfg.BasicRateBitmap = BasicRateBitmap; */
3109
3110 /* calculate the exptected ACK rate for each TX rate. This info is used to caculate */
3111 /* the DURATION field of outgoing uniicast DATA/MGMT frame */
3112 for (i = 0; i < MAX_LEN_OF_SUPPORTED_RATES; i++) {
3113 if (BasicRateBitmap & (0x01 << i))
3114 CurrBasicRate = (u8)i;
3115 pAd->CommonCfg.ExpectedACKRate[i] = CurrBasicRate;
3116 }
3117
3118 DBGPRINT(RT_DEBUG_TRACE,
3119 ("MlmeUpdateTxRates[MaxSupport = %d] = MaxDesire %d Mbps\n",
3120 RateIdToMbps[MaxSupport], RateIdToMbps[MaxDesire]));
3121 /* max tx rate = min {max desire rate, max supported rate} */
3122 if (MaxSupport < MaxDesire)
3123 pAd->CommonCfg.MaxTxRate = MaxSupport;
3124 else
3125 pAd->CommonCfg.MaxTxRate = MaxDesire;
3126
3127 pAd->CommonCfg.MinTxRate = MinSupport;
3128 /* 2003-07-31 john - 2500 doesn't have good sensitivity at high OFDM rates. to increase the success */
3129 /* ratio of initial DHCP packet exchange, TX rate starts from a lower rate depending */
3130 /* on average RSSI */
3131 /* 1. RSSI >= -70db, start at 54 Mbps (short distance) */
3132 /* 2. -70 > RSSI >= -75, start at 24 Mbps (mid distance) */
3133 /* 3. -75 > RSSI, start at 11 Mbps (long distance) */
3134 if (*auto_rate_cur_p) {
3135 short dbm = 0;
3136
3137 dbm = pAd->StaCfg.RssiSample.AvgRssi0 - pAd->BbpRssiToDbmDelta;
3138
3139 if (bLinkUp == TRUE)
3140 pAd->CommonCfg.TxRate = RATE_24;
3141 else
3142 pAd->CommonCfg.TxRate = pAd->CommonCfg.MaxTxRate;
3143
3144 if (dbm < -75)
3145 pAd->CommonCfg.TxRate = RATE_11;
3146 else if (dbm < -70)
3147 pAd->CommonCfg.TxRate = RATE_24;
3148
3149 /* should never exceed MaxTxRate (consider 11B-only mode) */
3150 if (pAd->CommonCfg.TxRate > pAd->CommonCfg.MaxTxRate)
3151 pAd->CommonCfg.TxRate = pAd->CommonCfg.MaxTxRate;
3152
3153 pAd->CommonCfg.TxRateIndex = 0;
3154 } else {
3155 pAd->CommonCfg.TxRate = pAd->CommonCfg.MaxTxRate;
3156 pHtPhy->field.MCS =
3157 (pAd->CommonCfg.MaxTxRate >
3158 3) ? (pAd->CommonCfg.MaxTxRate -
3159 4) : pAd->CommonCfg.MaxTxRate;
3160 pHtPhy->field.MODE =
3161 (pAd->CommonCfg.MaxTxRate > 3) ? MODE_OFDM : MODE_CCK;
3162
3163 pAd->MacTab.Content[BSSID_WCID].HTPhyMode.field.STBC =
3164 pHtPhy->field.STBC;
3165 pAd->MacTab.Content[BSSID_WCID].HTPhyMode.field.ShortGI =
3166 pHtPhy->field.ShortGI;
3167 pAd->MacTab.Content[BSSID_WCID].HTPhyMode.field.MCS =
3168 pHtPhy->field.MCS;
3169 pAd->MacTab.Content[BSSID_WCID].HTPhyMode.field.MODE =
3170 pHtPhy->field.MODE;
3171 }
3172
3173 if (pAd->CommonCfg.TxRate <= RATE_11) {
3174 pMaxHtPhy->field.MODE = MODE_CCK;
3175 pMaxHtPhy->field.MCS = pAd->CommonCfg.TxRate;
3176 pMinHtPhy->field.MCS = pAd->CommonCfg.MinTxRate;
3177 } else {
3178 pMaxHtPhy->field.MODE = MODE_OFDM;
3179 pMaxHtPhy->field.MCS = OfdmRateToRxwiMCS[pAd->CommonCfg.TxRate];
3180 if (pAd->CommonCfg.MinTxRate >= RATE_6
3181 && (pAd->CommonCfg.MinTxRate <= RATE_54)) {
3182 pMinHtPhy->field.MCS =
3183 OfdmRateToRxwiMCS[pAd->CommonCfg.MinTxRate];
3184 } else {
3185 pMinHtPhy->field.MCS = pAd->CommonCfg.MinTxRate;
3186 }
3187 }
3188
3189 pHtPhy->word = (pMaxHtPhy->word);
3190 if (bLinkUp && (pAd->OpMode == OPMODE_STA)) {
3191 pAd->MacTab.Content[BSSID_WCID].HTPhyMode.word = pHtPhy->word;
3192 pAd->MacTab.Content[BSSID_WCID].MaxHTPhyMode.word =
3193 pMaxHtPhy->word;
3194 pAd->MacTab.Content[BSSID_WCID].MinHTPhyMode.word =
3195 pMinHtPhy->word;
3196 } else {
3197 switch (pAd->CommonCfg.PhyMode) {
3198 case PHY_11BG_MIXED:
3199 case PHY_11B:
3200 case PHY_11BGN_MIXED:
3201 pAd->CommonCfg.MlmeRate = RATE_1;
3202 pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_CCK;
3203 pAd->CommonCfg.MlmeTransmit.field.MCS = RATE_1;
3204
3205 /*#ifdef WIFI_TEST */
3206 pAd->CommonCfg.RtsRate = RATE_11;
3207 /*#else */
3208 /* pAd->CommonCfg.RtsRate = RATE_1; */
3209 /*#endif */
3210 break;
3211 case PHY_11G:
3212 case PHY_11A:
3213 case PHY_11AGN_MIXED:
3214 case PHY_11GN_MIXED:
3215 case PHY_11N_2_4G:
3216 case PHY_11AN_MIXED:
3217 case PHY_11N_5G:
3218 pAd->CommonCfg.MlmeRate = RATE_6;
3219 pAd->CommonCfg.RtsRate = RATE_6;
3220 pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_OFDM;
3221 pAd->CommonCfg.MlmeTransmit.field.MCS =
3222 OfdmRateToRxwiMCS[pAd->CommonCfg.MlmeRate];
3223 break;
3224 case PHY_11ABG_MIXED:
3225 case PHY_11ABGN_MIXED:
3226 if (pAd->CommonCfg.Channel <= 14) {
3227 pAd->CommonCfg.MlmeRate = RATE_1;
3228 pAd->CommonCfg.RtsRate = RATE_1;
3229 pAd->CommonCfg.MlmeTransmit.field.MODE =
3230 MODE_CCK;
3231 pAd->CommonCfg.MlmeTransmit.field.MCS = RATE_1;
3232 } else {
3233 pAd->CommonCfg.MlmeRate = RATE_6;
3234 pAd->CommonCfg.RtsRate = RATE_6;
3235 pAd->CommonCfg.MlmeTransmit.field.MODE =
3236 MODE_OFDM;
3237 pAd->CommonCfg.MlmeTransmit.field.MCS =
3238 OfdmRateToRxwiMCS[pAd->CommonCfg.MlmeRate];
3239 }
3240 break;
3241 default: /* error */
3242 pAd->CommonCfg.MlmeRate = RATE_6;
3243 pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_OFDM;
3244 pAd->CommonCfg.MlmeTransmit.field.MCS =
3245 OfdmRateToRxwiMCS[pAd->CommonCfg.MlmeRate];
3246 pAd->CommonCfg.RtsRate = RATE_1;
3247 break;
3248 }
3249 /* */
3250 /* Keep Basic Mlme Rate. */
3251 /* */
3252 pAd->MacTab.Content[MCAST_WCID].HTPhyMode.word =
3253 pAd->CommonCfg.MlmeTransmit.word;
3254 if (pAd->CommonCfg.MlmeTransmit.field.MODE == MODE_OFDM)
3255 pAd->MacTab.Content[MCAST_WCID].HTPhyMode.field.MCS =
3256 OfdmRateToRxwiMCS[RATE_24];
3257 else
3258 pAd->MacTab.Content[MCAST_WCID].HTPhyMode.field.MCS =
3259 RATE_1;
3260 pAd->CommonCfg.BasicMlmeRate = pAd->CommonCfg.MlmeRate;
3261 }
3262
3263 DBGPRINT(RT_DEBUG_TRACE,
3264 (" MlmeUpdateTxRates (MaxDesire=%d, MaxSupport=%d, MaxTxRate=%d, MinRate=%d, Rate Switching =%d)\n",
3265 RateIdToMbps[MaxDesire], RateIdToMbps[MaxSupport],
3266 RateIdToMbps[pAd->CommonCfg.MaxTxRate],
3267 RateIdToMbps[pAd->CommonCfg.MinTxRate],
3268 /*OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED) */
3269 *auto_rate_cur_p));
3270 DBGPRINT(RT_DEBUG_TRACE,
3271 (" MlmeUpdateTxRates (TxRate=%d, RtsRate=%d, BasicRateBitmap=0x%04lx)\n",
3272 RateIdToMbps[pAd->CommonCfg.TxRate],
3273 RateIdToMbps[pAd->CommonCfg.RtsRate], BasicRateBitmap));
3274 DBGPRINT(RT_DEBUG_TRACE,
3275 ("MlmeUpdateTxRates (MlmeTransmit=0x%x, MinHTPhyMode=%x, MaxHTPhyMode=0x%x, HTPhyMode=0x%x)\n",
3276 pAd->CommonCfg.MlmeTransmit.word,
3277 pAd->MacTab.Content[BSSID_WCID].MinHTPhyMode.word,
3278 pAd->MacTab.Content[BSSID_WCID].MaxHTPhyMode.word,
3279 pAd->MacTab.Content[BSSID_WCID].HTPhyMode.word));
3280 }
3281
3282 /*
3283 ==========================================================================
3284 Description:
3285 This function update HT Rate setting.
3286 Input Wcid value is valid for 2 case :
3287 1. it's used for Station in infra mode that copy AP rate to Mactable.
3288 2. OR Station in adhoc mode to copy peer's HT rate to Mactable.
3289
3290 IRQL = DISPATCH_LEVEL
3291
3292 ==========================================================================
3293 */
MlmeUpdateHtTxRates(struct rt_rtmp_adapter * pAd,u8 apidx)3294 void MlmeUpdateHtTxRates(struct rt_rtmp_adapter *pAd, u8 apidx)
3295 {
3296 u8 StbcMcs; /*j, StbcMcs, bitmask; */
3297 char i; /* 3*3 */
3298 struct rt_ht_capability *pRtHtCap = NULL;
3299 struct rt_ht_phy_info *pActiveHtPhy = NULL;
3300 unsigned long BasicMCS;
3301 u8 j, bitmask;
3302 struct rt_ht_phy_info *pDesireHtPhy = NULL;
3303 PHTTRANSMIT_SETTING pHtPhy = NULL;
3304 PHTTRANSMIT_SETTING pMaxHtPhy = NULL;
3305 PHTTRANSMIT_SETTING pMinHtPhy = NULL;
3306 BOOLEAN *auto_rate_cur_p;
3307
3308 DBGPRINT(RT_DEBUG_TRACE, ("MlmeUpdateHtTxRates===> \n"));
3309
3310 auto_rate_cur_p = NULL;
3311
3312 {
3313 pDesireHtPhy = &pAd->StaCfg.DesiredHtPhyInfo;
3314 pActiveHtPhy = &pAd->StaCfg.DesiredHtPhyInfo;
3315 pHtPhy = &pAd->StaCfg.HTPhyMode;
3316 pMaxHtPhy = &pAd->StaCfg.MaxHTPhyMode;
3317 pMinHtPhy = &pAd->StaCfg.MinHTPhyMode;
3318
3319 auto_rate_cur_p = &pAd->StaCfg.bAutoTxRateSwitch;
3320 }
3321
3322 if ((ADHOC_ON(pAd) || INFRA_ON(pAd)) && (pAd->OpMode == OPMODE_STA)) {
3323 if (pAd->StaActive.SupportedPhyInfo.bHtEnable == FALSE)
3324 return;
3325
3326 pRtHtCap = &pAd->StaActive.SupportedHtPhy;
3327 pActiveHtPhy = &pAd->StaActive.SupportedPhyInfo;
3328 StbcMcs = (u8)pAd->MlmeAux.AddHtInfo.AddHtInfo3.StbcMcs;
3329 BasicMCS =
3330 pAd->MlmeAux.AddHtInfo.MCSSet[0] +
3331 (pAd->MlmeAux.AddHtInfo.MCSSet[1] << 8) + (StbcMcs << 16);
3332 if ((pAd->CommonCfg.DesiredHtPhy.TxSTBC) && (pRtHtCap->RxSTBC)
3333 && (pAd->Antenna.field.TxPath == 2))
3334 pMaxHtPhy->field.STBC = STBC_USE;
3335 else
3336 pMaxHtPhy->field.STBC = STBC_NONE;
3337 } else {
3338 if (pDesireHtPhy->bHtEnable == FALSE)
3339 return;
3340
3341 pRtHtCap = &pAd->CommonCfg.DesiredHtPhy;
3342 StbcMcs = (u8)pAd->CommonCfg.AddHTInfo.AddHtInfo3.StbcMcs;
3343 BasicMCS =
3344 pAd->CommonCfg.AddHTInfo.MCSSet[0] +
3345 (pAd->CommonCfg.AddHTInfo.MCSSet[1] << 8) + (StbcMcs << 16);
3346 if ((pAd->CommonCfg.DesiredHtPhy.TxSTBC) && (pRtHtCap->RxSTBC)
3347 && (pAd->Antenna.field.TxPath == 2))
3348 pMaxHtPhy->field.STBC = STBC_USE;
3349 else
3350 pMaxHtPhy->field.STBC = STBC_NONE;
3351 }
3352
3353 /* Decide MAX ht rate. */
3354 if ((pRtHtCap->GF) && (pAd->CommonCfg.DesiredHtPhy.GF))
3355 pMaxHtPhy->field.MODE = MODE_HTGREENFIELD;
3356 else
3357 pMaxHtPhy->field.MODE = MODE_HTMIX;
3358
3359 if ((pAd->CommonCfg.DesiredHtPhy.ChannelWidth)
3360 && (pRtHtCap->ChannelWidth))
3361 pMaxHtPhy->field.BW = BW_40;
3362 else
3363 pMaxHtPhy->field.BW = BW_20;
3364
3365 if (pMaxHtPhy->field.BW == BW_20)
3366 pMaxHtPhy->field.ShortGI =
3367 (pAd->CommonCfg.DesiredHtPhy.ShortGIfor20 & pRtHtCap->
3368 ShortGIfor20);
3369 else
3370 pMaxHtPhy->field.ShortGI =
3371 (pAd->CommonCfg.DesiredHtPhy.ShortGIfor40 & pRtHtCap->
3372 ShortGIfor40);
3373
3374 if (pDesireHtPhy->MCSSet[4] != 0) {
3375 pMaxHtPhy->field.MCS = 32;
3376 }
3377
3378 for (i = 23; i >= 0; i--) /* 3*3 */
3379 {
3380 j = i / 8;
3381 bitmask = (1 << (i - (j * 8)));
3382
3383 if ((pActiveHtPhy->MCSSet[j] & bitmask)
3384 && (pDesireHtPhy->MCSSet[j] & bitmask)) {
3385 pMaxHtPhy->field.MCS = i;
3386 break;
3387 }
3388
3389 if (i == 0)
3390 break;
3391 }
3392
3393 /* Copy MIN ht rate. rt2860??? */
3394 pMinHtPhy->field.BW = BW_20;
3395 pMinHtPhy->field.MCS = 0;
3396 pMinHtPhy->field.STBC = 0;
3397 pMinHtPhy->field.ShortGI = 0;
3398 /*If STA assigns fixed rate. update to fixed here. */
3399 if ((pAd->OpMode == OPMODE_STA) && (pDesireHtPhy->MCSSet[0] != 0xff)) {
3400 if (pDesireHtPhy->MCSSet[4] != 0) {
3401 pMaxHtPhy->field.MCS = 32;
3402 pMinHtPhy->field.MCS = 32;
3403 DBGPRINT(RT_DEBUG_TRACE,
3404 ("MlmeUpdateHtTxRates<=== Use Fixed MCS = %d\n",
3405 pMinHtPhy->field.MCS));
3406 }
3407
3408 for (i = 23; (char)i >= 0; i--) /* 3*3 */
3409 {
3410 j = i / 8;
3411 bitmask = (1 << (i - (j * 8)));
3412 if ((pDesireHtPhy->MCSSet[j] & bitmask)
3413 && (pActiveHtPhy->MCSSet[j] & bitmask)) {
3414 pMaxHtPhy->field.MCS = i;
3415 pMinHtPhy->field.MCS = i;
3416 break;
3417 }
3418 if (i == 0)
3419 break;
3420 }
3421 }
3422
3423 /* Decide ht rate */
3424 pHtPhy->field.STBC = pMaxHtPhy->field.STBC;
3425 pHtPhy->field.BW = pMaxHtPhy->field.BW;
3426 pHtPhy->field.MODE = pMaxHtPhy->field.MODE;
3427 pHtPhy->field.MCS = pMaxHtPhy->field.MCS;
3428 pHtPhy->field.ShortGI = pMaxHtPhy->field.ShortGI;
3429
3430 /* use default now. rt2860 */
3431 if (pDesireHtPhy->MCSSet[0] != 0xff)
3432 *auto_rate_cur_p = FALSE;
3433 else
3434 *auto_rate_cur_p = TRUE;
3435
3436 DBGPRINT(RT_DEBUG_TRACE,
3437 (" MlmeUpdateHtTxRates<---.AMsduSize = %d \n",
3438 pAd->CommonCfg.DesiredHtPhy.AmsduSize));
3439 DBGPRINT(RT_DEBUG_TRACE,
3440 ("TX: MCS[0] = %x (choose %d), BW = %d, ShortGI = %d, MODE = %d, \n",
3441 pActiveHtPhy->MCSSet[0], pHtPhy->field.MCS, pHtPhy->field.BW,
3442 pHtPhy->field.ShortGI, pHtPhy->field.MODE));
3443 DBGPRINT(RT_DEBUG_TRACE, ("MlmeUpdateHtTxRates<=== \n"));
3444 }
3445
BATableInit(struct rt_rtmp_adapter * pAd,struct rt_ba_table * Tab)3446 void BATableInit(struct rt_rtmp_adapter *pAd, struct rt_ba_table *Tab)
3447 {
3448 int i;
3449
3450 Tab->numAsOriginator = 0;
3451 Tab->numAsRecipient = 0;
3452 Tab->numDoneOriginator = 0;
3453 NdisAllocateSpinLock(&pAd->BATabLock);
3454 for (i = 0; i < MAX_LEN_OF_BA_REC_TABLE; i++) {
3455 Tab->BARecEntry[i].REC_BA_Status = Recipient_NONE;
3456 NdisAllocateSpinLock(&(Tab->BARecEntry[i].RxReRingLock));
3457 }
3458 for (i = 0; i < MAX_LEN_OF_BA_ORI_TABLE; i++) {
3459 Tab->BAOriEntry[i].ORI_BA_Status = Originator_NONE;
3460 }
3461 }
3462
3463 /* IRQL = DISPATCH_LEVEL */
MlmeRadioOff(struct rt_rtmp_adapter * pAd)3464 void MlmeRadioOff(struct rt_rtmp_adapter *pAd)
3465 {
3466 RTMP_MLME_RADIO_OFF(pAd);
3467 }
3468
3469 /* IRQL = DISPATCH_LEVEL */
MlmeRadioOn(struct rt_rtmp_adapter * pAd)3470 void MlmeRadioOn(struct rt_rtmp_adapter *pAd)
3471 {
3472 RTMP_MLME_RADIO_ON(pAd);
3473 }
3474
3475 /* =========================================================================================== */
3476 /* bss_table.c */
3477 /* =========================================================================================== */
3478
3479 /*! \brief initialize BSS table
3480 * \param p_tab pointer to the table
3481 * \return none
3482 * \pre
3483 * \post
3484
3485 IRQL = PASSIVE_LEVEL
3486 IRQL = DISPATCH_LEVEL
3487
3488 */
BssTableInit(struct rt_bss_table * Tab)3489 void BssTableInit(struct rt_bss_table *Tab)
3490 {
3491 int i;
3492
3493 Tab->BssNr = 0;
3494 Tab->BssOverlapNr = 0;
3495 for (i = 0; i < MAX_LEN_OF_BSS_TABLE; i++) {
3496 NdisZeroMemory(&Tab->BssEntry[i], sizeof(struct rt_bss_entry));
3497 Tab->BssEntry[i].Rssi = -127; /* initial the rssi as a minimum value */
3498 }
3499 }
3500
3501 /*! \brief search the BSS table by SSID
3502 * \param p_tab pointer to the bss table
3503 * \param ssid SSID string
3504 * \return index of the table, BSS_NOT_FOUND if not in the table
3505 * \pre
3506 * \post
3507 * \note search by sequential search
3508
3509 IRQL = DISPATCH_LEVEL
3510
3511 */
BssTableSearch(struct rt_bss_table * Tab,u8 * pBssid,u8 Channel)3512 unsigned long BssTableSearch(struct rt_bss_table *Tab, u8 *pBssid, u8 Channel)
3513 {
3514 u8 i;
3515
3516 for (i = 0; i < Tab->BssNr; i++) {
3517 /* */
3518 /* Some AP that support A/B/G mode that may used the same BSSID on 11A and 11B/G. */
3519 /* We should distinguish this case. */
3520 /* */
3521 if ((((Tab->BssEntry[i].Channel <= 14) && (Channel <= 14)) ||
3522 ((Tab->BssEntry[i].Channel > 14) && (Channel > 14))) &&
3523 MAC_ADDR_EQUAL(Tab->BssEntry[i].Bssid, pBssid)) {
3524 return i;
3525 }
3526 }
3527 return (unsigned long)BSS_NOT_FOUND;
3528 }
3529
BssSsidTableSearch(struct rt_bss_table * Tab,u8 * pBssid,u8 * pSsid,u8 SsidLen,u8 Channel)3530 unsigned long BssSsidTableSearch(struct rt_bss_table *Tab,
3531 u8 *pBssid,
3532 u8 *pSsid, u8 SsidLen, u8 Channel)
3533 {
3534 u8 i;
3535
3536 for (i = 0; i < Tab->BssNr; i++) {
3537 /* */
3538 /* Some AP that support A/B/G mode that may used the same BSSID on 11A and 11B/G. */
3539 /* We should distinguish this case. */
3540 /* */
3541 if ((((Tab->BssEntry[i].Channel <= 14) && (Channel <= 14)) ||
3542 ((Tab->BssEntry[i].Channel > 14) && (Channel > 14))) &&
3543 MAC_ADDR_EQUAL(Tab->BssEntry[i].Bssid, pBssid) &&
3544 SSID_EQUAL(pSsid, SsidLen, Tab->BssEntry[i].Ssid,
3545 Tab->BssEntry[i].SsidLen)) {
3546 return i;
3547 }
3548 }
3549 return (unsigned long)BSS_NOT_FOUND;
3550 }
3551
BssTableSearchWithSSID(struct rt_bss_table * Tab,u8 * Bssid,u8 * pSsid,u8 SsidLen,u8 Channel)3552 unsigned long BssTableSearchWithSSID(struct rt_bss_table *Tab,
3553 u8 *Bssid,
3554 u8 *pSsid,
3555 u8 SsidLen, u8 Channel)
3556 {
3557 u8 i;
3558
3559 for (i = 0; i < Tab->BssNr; i++) {
3560 if ((((Tab->BssEntry[i].Channel <= 14) && (Channel <= 14)) ||
3561 ((Tab->BssEntry[i].Channel > 14) && (Channel > 14))) &&
3562 MAC_ADDR_EQUAL(&(Tab->BssEntry[i].Bssid), Bssid) &&
3563 (SSID_EQUAL
3564 (pSsid, SsidLen, Tab->BssEntry[i].Ssid,
3565 Tab->BssEntry[i].SsidLen)
3566 || (NdisEqualMemory(pSsid, ZeroSsid, SsidLen))
3567 ||
3568 (NdisEqualMemory
3569 (Tab->BssEntry[i].Ssid, ZeroSsid,
3570 Tab->BssEntry[i].SsidLen)))) {
3571 return i;
3572 }
3573 }
3574 return (unsigned long)BSS_NOT_FOUND;
3575 }
3576
BssSsidTableSearchBySSID(struct rt_bss_table * Tab,u8 * pSsid,u8 SsidLen)3577 unsigned long BssSsidTableSearchBySSID(struct rt_bss_table *Tab,
3578 u8 *pSsid, u8 SsidLen)
3579 {
3580 u8 i;
3581
3582 for (i = 0; i < Tab->BssNr; i++) {
3583 if (SSID_EQUAL
3584 (pSsid, SsidLen, Tab->BssEntry[i].Ssid,
3585 Tab->BssEntry[i].SsidLen)) {
3586 return i;
3587 }
3588 }
3589 return (unsigned long)BSS_NOT_FOUND;
3590 }
3591
3592 /* IRQL = DISPATCH_LEVEL */
BssTableDeleteEntry(struct rt_bss_table * Tab,u8 * pBssid,u8 Channel)3593 void BssTableDeleteEntry(struct rt_bss_table *Tab,
3594 u8 *pBssid, u8 Channel)
3595 {
3596 u8 i, j;
3597
3598 for (i = 0; i < Tab->BssNr; i++) {
3599 if ((Tab->BssEntry[i].Channel == Channel) &&
3600 (MAC_ADDR_EQUAL(Tab->BssEntry[i].Bssid, pBssid))) {
3601 for (j = i; j < Tab->BssNr - 1; j++) {
3602 NdisMoveMemory(&(Tab->BssEntry[j]),
3603 &(Tab->BssEntry[j + 1]),
3604 sizeof(struct rt_bss_entry));
3605 }
3606 NdisZeroMemory(&(Tab->BssEntry[Tab->BssNr - 1]),
3607 sizeof(struct rt_bss_entry));
3608 Tab->BssNr -= 1;
3609 return;
3610 }
3611 }
3612 }
3613
3614 /*
3615 ========================================================================
3616 Routine Description:
3617 Delete the Originator Entry in BAtable. Or decrease numAs Originator by 1 if needed.
3618
3619 Arguments:
3620 // IRQL = DISPATCH_LEVEL
3621 ========================================================================
3622 */
BATableDeleteORIEntry(struct rt_rtmp_adapter * pAd,struct rt_ba_ori_entry * pBAORIEntry)3623 void BATableDeleteORIEntry(struct rt_rtmp_adapter *pAd,
3624 struct rt_ba_ori_entry *pBAORIEntry)
3625 {
3626
3627 if (pBAORIEntry->ORI_BA_Status != Originator_NONE) {
3628 NdisAcquireSpinLock(&pAd->BATabLock);
3629 if (pBAORIEntry->ORI_BA_Status == Originator_Done) {
3630 pAd->BATable.numAsOriginator -= 1;
3631 DBGPRINT(RT_DEBUG_TRACE,
3632 ("BATableDeleteORIEntry numAsOriginator= %ld\n",
3633 pAd->BATable.numAsRecipient));
3634 /* Erase Bitmap flag. */
3635 }
3636 pAd->MacTab.Content[pBAORIEntry->Wcid].TXBAbitmap &= (~(1 << (pBAORIEntry->TID))); /* If STA mode, erase flag here */
3637 pAd->MacTab.Content[pBAORIEntry->Wcid].BAOriWcidArray[pBAORIEntry->TID] = 0; /* If STA mode, erase flag here */
3638 pBAORIEntry->ORI_BA_Status = Originator_NONE;
3639 pBAORIEntry->Token = 1;
3640 /* Not clear Sequence here. */
3641 NdisReleaseSpinLock(&pAd->BATabLock);
3642 }
3643 }
3644
3645 /*! \brief
3646 * \param
3647 * \return
3648 * \pre
3649 * \post
3650
3651 IRQL = DISPATCH_LEVEL
3652
3653 */
BssEntrySet(struct rt_rtmp_adapter * pAd,struct rt_bss_entry * pBss,u8 * pBssid,char Ssid[],u8 SsidLen,u8 BssType,u16 BeaconPeriod,struct rt_cf_parm * pCfParm,u16 AtimWin,u16 CapabilityInfo,u8 SupRate[],u8 SupRateLen,u8 ExtRate[],u8 ExtRateLen,struct rt_ht_capability_ie * pHtCapability,struct rt_add_ht_info_ie * pAddHtInfo,u8 HtCapabilityLen,u8 AddHtInfoLen,u8 NewExtChanOffset,u8 Channel,char Rssi,IN LARGE_INTEGER TimeStamp,u8 CkipFlag,struct rt_edca_parm * pEdcaParm,struct rt_qos_capability_parm * pQosCapability,struct rt_qbss_load_parm * pQbssLoad,u16 LengthVIE,struct rt_ndis_802_11_variable_ies * pVIE)3654 void BssEntrySet(struct rt_rtmp_adapter *pAd, struct rt_bss_entry *pBss, u8 *pBssid, char Ssid[], u8 SsidLen, u8 BssType, u16 BeaconPeriod, struct rt_cf_parm * pCfParm, u16 AtimWin, u16 CapabilityInfo, u8 SupRate[], u8 SupRateLen, u8 ExtRate[], u8 ExtRateLen, struct rt_ht_capability_ie * pHtCapability, struct rt_add_ht_info_ie * pAddHtInfo, /* AP might use this additional ht info IE */
3655 u8 HtCapabilityLen,
3656 u8 AddHtInfoLen,
3657 u8 NewExtChanOffset,
3658 u8 Channel,
3659 char Rssi,
3660 IN LARGE_INTEGER TimeStamp,
3661 u8 CkipFlag,
3662 struct rt_edca_parm *pEdcaParm,
3663 struct rt_qos_capability_parm *pQosCapability,
3664 struct rt_qbss_load_parm *pQbssLoad,
3665 u16 LengthVIE, struct rt_ndis_802_11_variable_ies *pVIE)
3666 {
3667 COPY_MAC_ADDR(pBss->Bssid, pBssid);
3668 /* Default Hidden SSID to be TRUE, it will be turned to FALSE after coping SSID */
3669 pBss->Hidden = 1;
3670 if (SsidLen > 0) {
3671 /* For hidden SSID AP, it might send beacon with SSID len equal to 0 */
3672 /* Or send beacon /probe response with SSID len matching real SSID length, */
3673 /* but SSID is all zero. such as "00-00-00-00" with length 4. */
3674 /* We have to prevent this case overwrite correct table */
3675 if (NdisEqualMemory(Ssid, ZeroSsid, SsidLen) == 0) {
3676 NdisZeroMemory(pBss->Ssid, MAX_LEN_OF_SSID);
3677 NdisMoveMemory(pBss->Ssid, Ssid, SsidLen);
3678 pBss->SsidLen = SsidLen;
3679 pBss->Hidden = 0;
3680 }
3681 } else
3682 pBss->SsidLen = 0;
3683 pBss->BssType = BssType;
3684 pBss->BeaconPeriod = BeaconPeriod;
3685 if (BssType == BSS_INFRA) {
3686 if (pCfParm->bValid) {
3687 pBss->CfpCount = pCfParm->CfpCount;
3688 pBss->CfpPeriod = pCfParm->CfpPeriod;
3689 pBss->CfpMaxDuration = pCfParm->CfpMaxDuration;
3690 pBss->CfpDurRemaining = pCfParm->CfpDurRemaining;
3691 }
3692 } else {
3693 pBss->AtimWin = AtimWin;
3694 }
3695
3696 pBss->CapabilityInfo = CapabilityInfo;
3697 /* The privacy bit indicate security is ON, it maight be WEP, TKIP or AES */
3698 /* Combine with AuthMode, they will decide the connection methods. */
3699 pBss->Privacy = CAP_IS_PRIVACY_ON(pBss->CapabilityInfo);
3700 ASSERT(SupRateLen <= MAX_LEN_OF_SUPPORTED_RATES);
3701 if (SupRateLen <= MAX_LEN_OF_SUPPORTED_RATES)
3702 NdisMoveMemory(pBss->SupRate, SupRate, SupRateLen);
3703 else
3704 NdisMoveMemory(pBss->SupRate, SupRate,
3705 MAX_LEN_OF_SUPPORTED_RATES);
3706 pBss->SupRateLen = SupRateLen;
3707 ASSERT(ExtRateLen <= MAX_LEN_OF_SUPPORTED_RATES);
3708 NdisMoveMemory(pBss->ExtRate, ExtRate, ExtRateLen);
3709 pBss->NewExtChanOffset = NewExtChanOffset;
3710 pBss->ExtRateLen = ExtRateLen;
3711 pBss->Channel = Channel;
3712 pBss->CentralChannel = Channel;
3713 pBss->Rssi = Rssi;
3714 /* Update CkipFlag. if not exists, the value is 0x0 */
3715 pBss->CkipFlag = CkipFlag;
3716
3717 /* New for microsoft Fixed IEs */
3718 NdisMoveMemory(pBss->FixIEs.Timestamp, &TimeStamp, 8);
3719 pBss->FixIEs.BeaconInterval = BeaconPeriod;
3720 pBss->FixIEs.Capabilities = CapabilityInfo;
3721
3722 /* New for microsoft Variable IEs */
3723 if (LengthVIE != 0) {
3724 pBss->VarIELen = LengthVIE;
3725 NdisMoveMemory(pBss->VarIEs, pVIE, pBss->VarIELen);
3726 } else {
3727 pBss->VarIELen = 0;
3728 }
3729
3730 pBss->AddHtInfoLen = 0;
3731 pBss->HtCapabilityLen = 0;
3732 if (HtCapabilityLen > 0) {
3733 pBss->HtCapabilityLen = HtCapabilityLen;
3734 NdisMoveMemory(&pBss->HtCapability, pHtCapability,
3735 HtCapabilityLen);
3736 if (AddHtInfoLen > 0) {
3737 pBss->AddHtInfoLen = AddHtInfoLen;
3738 NdisMoveMemory(&pBss->AddHtInfo, pAddHtInfo,
3739 AddHtInfoLen);
3740
3741 if ((pAddHtInfo->ControlChan > 2)
3742 && (pAddHtInfo->AddHtInfo.ExtChanOffset ==
3743 EXTCHA_BELOW)
3744 && (pHtCapability->HtCapInfo.ChannelWidth ==
3745 BW_40)) {
3746 pBss->CentralChannel =
3747 pAddHtInfo->ControlChan - 2;
3748 } else
3749 if ((pAddHtInfo->AddHtInfo.ExtChanOffset ==
3750 EXTCHA_ABOVE)
3751 && (pHtCapability->HtCapInfo.ChannelWidth ==
3752 BW_40)) {
3753 pBss->CentralChannel =
3754 pAddHtInfo->ControlChan + 2;
3755 }
3756 }
3757 }
3758
3759 BssCipherParse(pBss);
3760
3761 /* new for QOS */
3762 if (pEdcaParm)
3763 NdisMoveMemory(&pBss->EdcaParm, pEdcaParm, sizeof(struct rt_edca_parm));
3764 else
3765 pBss->EdcaParm.bValid = FALSE;
3766 if (pQosCapability)
3767 NdisMoveMemory(&pBss->QosCapability, pQosCapability,
3768 sizeof(struct rt_qos_capability_parm));
3769 else
3770 pBss->QosCapability.bValid = FALSE;
3771 if (pQbssLoad)
3772 NdisMoveMemory(&pBss->QbssLoad, pQbssLoad,
3773 sizeof(struct rt_qbss_load_parm));
3774 else
3775 pBss->QbssLoad.bValid = FALSE;
3776
3777 {
3778 struct rt_eid * pEid;
3779 u16 Length = 0;
3780
3781 NdisZeroMemory(&pBss->WpaIE.IE[0], MAX_CUSTOM_LEN);
3782 NdisZeroMemory(&pBss->RsnIE.IE[0], MAX_CUSTOM_LEN);
3783 pEid = (struct rt_eid *) pVIE;
3784 while ((Length + 2 + (u16)pEid->Len) <= LengthVIE) {
3785 switch (pEid->Eid) {
3786 case IE_WPA:
3787 if (NdisEqualMemory(pEid->Octet, WPA_OUI, 4)) {
3788 if ((pEid->Len + 2) > MAX_CUSTOM_LEN) {
3789 pBss->WpaIE.IELen = 0;
3790 break;
3791 }
3792 pBss->WpaIE.IELen = pEid->Len + 2;
3793 NdisMoveMemory(pBss->WpaIE.IE, pEid,
3794 pBss->WpaIE.IELen);
3795 }
3796 break;
3797 case IE_RSN:
3798 if (NdisEqualMemory
3799 (pEid->Octet + 2, RSN_OUI, 3)) {
3800 if ((pEid->Len + 2) > MAX_CUSTOM_LEN) {
3801 pBss->RsnIE.IELen = 0;
3802 break;
3803 }
3804 pBss->RsnIE.IELen = pEid->Len + 2;
3805 NdisMoveMemory(pBss->RsnIE.IE, pEid,
3806 pBss->RsnIE.IELen);
3807 }
3808 break;
3809 }
3810 Length = Length + 2 + (u16)pEid->Len; /* Eid[1] + Len[1]+ content[Len] */
3811 pEid = (struct rt_eid *) ((u8 *) pEid + 2 + pEid->Len);
3812 }
3813 }
3814 }
3815
3816 /*!
3817 * \brief insert an entry into the bss table
3818 * \param p_tab The BSS table
3819 * \param Bssid BSSID
3820 * \param ssid SSID
3821 * \param ssid_len Length of SSID
3822 * \param bss_type
3823 * \param beacon_period
3824 * \param timestamp
3825 * \param p_cf
3826 * \param atim_win
3827 * \param cap
3828 * \param rates
3829 * \param rates_len
3830 * \param channel_idx
3831 * \return none
3832 * \pre
3833 * \post
3834 * \note If SSID is identical, the old entry will be replaced by the new one
3835
3836 IRQL = DISPATCH_LEVEL
3837
3838 */
BssTableSetEntry(struct rt_rtmp_adapter * pAd,struct rt_bss_table * Tab,u8 * pBssid,char Ssid[],u8 SsidLen,u8 BssType,u16 BeaconPeriod,struct rt_cf_parm * CfParm,u16 AtimWin,u16 CapabilityInfo,u8 SupRate[],u8 SupRateLen,u8 ExtRate[],u8 ExtRateLen,struct rt_ht_capability_ie * pHtCapability,struct rt_add_ht_info_ie * pAddHtInfo,u8 HtCapabilityLen,u8 AddHtInfoLen,u8 NewExtChanOffset,u8 ChannelNo,char Rssi,IN LARGE_INTEGER TimeStamp,u8 CkipFlag,struct rt_edca_parm * pEdcaParm,struct rt_qos_capability_parm * pQosCapability,struct rt_qbss_load_parm * pQbssLoad,u16 LengthVIE,struct rt_ndis_802_11_variable_ies * pVIE)3839 unsigned long BssTableSetEntry(struct rt_rtmp_adapter *pAd, struct rt_bss_table *Tab, u8 *pBssid, char Ssid[], u8 SsidLen, u8 BssType, u16 BeaconPeriod, struct rt_cf_parm * CfParm, u16 AtimWin, u16 CapabilityInfo, u8 SupRate[], u8 SupRateLen, u8 ExtRate[], u8 ExtRateLen, struct rt_ht_capability_ie * pHtCapability, struct rt_add_ht_info_ie * pAddHtInfo, /* AP might use this additional ht info IE */
3840 u8 HtCapabilityLen,
3841 u8 AddHtInfoLen,
3842 u8 NewExtChanOffset,
3843 u8 ChannelNo,
3844 char Rssi,
3845 IN LARGE_INTEGER TimeStamp,
3846 u8 CkipFlag,
3847 struct rt_edca_parm *pEdcaParm,
3848 struct rt_qos_capability_parm *pQosCapability,
3849 struct rt_qbss_load_parm *pQbssLoad,
3850 u16 LengthVIE, struct rt_ndis_802_11_variable_ies *pVIE)
3851 {
3852 unsigned long Idx;
3853
3854 Idx =
3855 BssTableSearchWithSSID(Tab, pBssid, (u8 *) Ssid, SsidLen,
3856 ChannelNo);
3857 if (Idx == BSS_NOT_FOUND) {
3858 if (Tab->BssNr >= MAX_LEN_OF_BSS_TABLE) {
3859 /* */
3860 /* It may happen when BSS Table was full. */
3861 /* The desired AP will not be added into BSS Table */
3862 /* In this case, if we found the desired AP then overwrite BSS Table. */
3863 /* */
3864 if (!OPSTATUS_TEST_FLAG
3865 (pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)) {
3866 if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, pBssid)
3867 || SSID_EQUAL(pAd->MlmeAux.Ssid,
3868 pAd->MlmeAux.SsidLen, Ssid,
3869 SsidLen)) {
3870 Idx = Tab->BssOverlapNr;
3871 BssEntrySet(pAd, &Tab->BssEntry[Idx],
3872 pBssid, Ssid, SsidLen,
3873 BssType, BeaconPeriod,
3874 CfParm, AtimWin,
3875 CapabilityInfo, SupRate,
3876 SupRateLen, ExtRate,
3877 ExtRateLen, pHtCapability,
3878 pAddHtInfo, HtCapabilityLen,
3879 AddHtInfoLen,
3880 NewExtChanOffset, ChannelNo,
3881 Rssi, TimeStamp, CkipFlag,
3882 pEdcaParm, pQosCapability,
3883 pQbssLoad, LengthVIE, pVIE);
3884 Tab->BssOverlapNr =
3885 (Tab->BssOverlapNr++) %
3886 MAX_LEN_OF_BSS_TABLE;
3887 }
3888 return Idx;
3889 } else {
3890 return BSS_NOT_FOUND;
3891 }
3892 }
3893 Idx = Tab->BssNr;
3894 BssEntrySet(pAd, &Tab->BssEntry[Idx], pBssid, Ssid, SsidLen,
3895 BssType, BeaconPeriod, CfParm, AtimWin,
3896 CapabilityInfo, SupRate, SupRateLen, ExtRate,
3897 ExtRateLen, pHtCapability, pAddHtInfo,
3898 HtCapabilityLen, AddHtInfoLen, NewExtChanOffset,
3899 ChannelNo, Rssi, TimeStamp, CkipFlag, pEdcaParm,
3900 pQosCapability, pQbssLoad, LengthVIE, pVIE);
3901 Tab->BssNr++;
3902 } else {
3903 /* avoid Hidden SSID form beacon to overwirite correct SSID from probe response */
3904 if ((SSID_EQUAL
3905 (Ssid, SsidLen, Tab->BssEntry[Idx].Ssid,
3906 Tab->BssEntry[Idx].SsidLen))
3907 ||
3908 (NdisEqualMemory
3909 (Tab->BssEntry[Idx].Ssid, ZeroSsid,
3910 Tab->BssEntry[Idx].SsidLen))) {
3911 BssEntrySet(pAd, &Tab->BssEntry[Idx], pBssid, Ssid,
3912 SsidLen, BssType, BeaconPeriod, CfParm,
3913 AtimWin, CapabilityInfo, SupRate,
3914 SupRateLen, ExtRate, ExtRateLen,
3915 pHtCapability, pAddHtInfo, HtCapabilityLen,
3916 AddHtInfoLen, NewExtChanOffset, ChannelNo,
3917 Rssi, TimeStamp, CkipFlag, pEdcaParm,
3918 pQosCapability, pQbssLoad, LengthVIE, pVIE);
3919 }
3920 }
3921
3922 return Idx;
3923 }
3924
3925 /* IRQL = DISPATCH_LEVEL */
BssTableSsidSort(struct rt_rtmp_adapter * pAd,struct rt_bss_table * OutTab,char Ssid[],u8 SsidLen)3926 void BssTableSsidSort(struct rt_rtmp_adapter *pAd,
3927 struct rt_bss_table *OutTab, char Ssid[], u8 SsidLen)
3928 {
3929 int i;
3930 BssTableInit(OutTab);
3931
3932 for (i = 0; i < pAd->ScanTab.BssNr; i++) {
3933 struct rt_bss_entry *pInBss = &pAd->ScanTab.BssEntry[i];
3934 BOOLEAN bIsHiddenApIncluded = FALSE;
3935
3936 if (((pAd->CommonCfg.bIEEE80211H == 1) &&
3937 (pAd->MlmeAux.Channel > 14) &&
3938 RadarChannelCheck(pAd, pInBss->Channel))
3939 ) {
3940 if (pInBss->Hidden)
3941 bIsHiddenApIncluded = TRUE;
3942 }
3943
3944 if ((pInBss->BssType == pAd->StaCfg.BssType) &&
3945 (SSID_EQUAL(Ssid, SsidLen, pInBss->Ssid, pInBss->SsidLen)
3946 || bIsHiddenApIncluded)) {
3947 struct rt_bss_entry *pOutBss = &OutTab->BssEntry[OutTab->BssNr];
3948
3949 /* 2.4G/5G N only mode */
3950 if ((pInBss->HtCapabilityLen == 0) &&
3951 ((pAd->CommonCfg.PhyMode == PHY_11N_2_4G)
3952 || (pAd->CommonCfg.PhyMode == PHY_11N_5G))) {
3953 DBGPRINT(RT_DEBUG_TRACE,
3954 ("STA is in N-only Mode, this AP don't have Ht capability in Beacon.\n"));
3955 continue;
3956 }
3957 /* New for WPA2 */
3958 /* Check the Authmode first */
3959 if (pAd->StaCfg.AuthMode >= Ndis802_11AuthModeWPA) {
3960 /* Check AuthMode and AuthModeAux for matching, in case AP support dual-mode */
3961 if ((pAd->StaCfg.AuthMode != pInBss->AuthMode)
3962 && (pAd->StaCfg.AuthMode !=
3963 pInBss->AuthModeAux))
3964 /* None matched */
3965 continue;
3966
3967 /* Check cipher suite, AP must have more secured cipher than station setting */
3968 if ((pAd->StaCfg.AuthMode ==
3969 Ndis802_11AuthModeWPA)
3970 || (pAd->StaCfg.AuthMode ==
3971 Ndis802_11AuthModeWPAPSK)) {
3972 /* If it's not mixed mode, we should only let BSS pass with the same encryption */
3973 if (pInBss->WPA.bMixMode == FALSE)
3974 if (pAd->StaCfg.WepStatus !=
3975 pInBss->WPA.GroupCipher)
3976 continue;
3977
3978 /* check group cipher */
3979 if ((pAd->StaCfg.WepStatus <
3980 pInBss->WPA.GroupCipher)
3981 && (pInBss->WPA.GroupCipher !=
3982 Ndis802_11GroupWEP40Enabled)
3983 && (pInBss->WPA.GroupCipher !=
3984 Ndis802_11GroupWEP104Enabled))
3985 continue;
3986
3987 /* check pairwise cipher, skip if none matched */
3988 /* If profile set to AES, let it pass without question. */
3989 /* If profile set to TKIP, we must find one mateched */
3990 if ((pAd->StaCfg.WepStatus ==
3991 Ndis802_11Encryption2Enabled)
3992 && (pAd->StaCfg.WepStatus !=
3993 pInBss->WPA.PairCipher)
3994 && (pAd->StaCfg.WepStatus !=
3995 pInBss->WPA.PairCipherAux))
3996 continue;
3997 } else
3998 if ((pAd->StaCfg.AuthMode ==
3999 Ndis802_11AuthModeWPA2)
4000 || (pAd->StaCfg.AuthMode ==
4001 Ndis802_11AuthModeWPA2PSK)) {
4002 /* If it's not mixed mode, we should only let BSS pass with the same encryption */
4003 if (pInBss->WPA2.bMixMode == FALSE)
4004 if (pAd->StaCfg.WepStatus !=
4005 pInBss->WPA2.GroupCipher)
4006 continue;
4007
4008 /* check group cipher */
4009 if ((pAd->StaCfg.WepStatus <
4010 pInBss->WPA.GroupCipher)
4011 && (pInBss->WPA2.GroupCipher !=
4012 Ndis802_11GroupWEP40Enabled)
4013 && (pInBss->WPA2.GroupCipher !=
4014 Ndis802_11GroupWEP104Enabled))
4015 continue;
4016
4017 /* check pairwise cipher, skip if none matched */
4018 /* If profile set to AES, let it pass without question. */
4019 /* If profile set to TKIP, we must find one mateched */
4020 if ((pAd->StaCfg.WepStatus ==
4021 Ndis802_11Encryption2Enabled)
4022 && (pAd->StaCfg.WepStatus !=
4023 pInBss->WPA2.PairCipher)
4024 && (pAd->StaCfg.WepStatus !=
4025 pInBss->WPA2.PairCipherAux))
4026 continue;
4027 }
4028 }
4029 /* Bss Type matched, SSID matched. */
4030 /* We will check wepstatus for qualification Bss */
4031 else if (pAd->StaCfg.WepStatus != pInBss->WepStatus) {
4032 DBGPRINT(RT_DEBUG_TRACE,
4033 ("StaCfg.WepStatus=%d, while pInBss->WepStatus=%d\n",
4034 pAd->StaCfg.WepStatus,
4035 pInBss->WepStatus));
4036 /* */
4037 /* For the SESv2 case, we will not qualify WepStatus. */
4038 /* */
4039 if (!pInBss->bSES)
4040 continue;
4041 }
4042 /* Since the AP is using hidden SSID, and we are trying to connect to ANY */
4043 /* It definitely will fail. So, skip it. */
4044 /* CCX also require not even try to connect it! */
4045 if (SsidLen == 0)
4046 continue;
4047
4048 /* If both station and AP use 40MHz, still need to check if the 40MHZ band's legality in my country region */
4049 /* If this 40MHz wideband is not allowed in my country list, use bandwidth 20MHZ instead, */
4050 if ((pInBss->CentralChannel != pInBss->Channel) &&
4051 (pAd->CommonCfg.RegTransmitSetting.field.BW ==
4052 BW_40)) {
4053 if (RTMPCheckChannel
4054 (pAd, pInBss->CentralChannel,
4055 pInBss->Channel) == FALSE) {
4056 pAd->CommonCfg.RegTransmitSetting.field.
4057 BW = BW_20;
4058 SetCommonHT(pAd);
4059 pAd->CommonCfg.RegTransmitSetting.field.
4060 BW = BW_40;
4061 } else {
4062 if (pAd->CommonCfg.DesiredHtPhy.
4063 ChannelWidth == BAND_WIDTH_20) {
4064 SetCommonHT(pAd);
4065 }
4066 }
4067 }
4068 /* copy matching BSS from InTab to OutTab */
4069 NdisMoveMemory(pOutBss, pInBss, sizeof(struct rt_bss_entry));
4070
4071 OutTab->BssNr++;
4072 } else if ((pInBss->BssType == pAd->StaCfg.BssType)
4073 && (SsidLen == 0)) {
4074 struct rt_bss_entry *pOutBss = &OutTab->BssEntry[OutTab->BssNr];
4075
4076 /* 2.4G/5G N only mode */
4077 if ((pInBss->HtCapabilityLen == 0) &&
4078 ((pAd->CommonCfg.PhyMode == PHY_11N_2_4G)
4079 || (pAd->CommonCfg.PhyMode == PHY_11N_5G))) {
4080 DBGPRINT(RT_DEBUG_TRACE,
4081 ("STA is in N-only Mode, this AP don't have Ht capability in Beacon.\n"));
4082 continue;
4083 }
4084 /* New for WPA2 */
4085 /* Check the Authmode first */
4086 if (pAd->StaCfg.AuthMode >= Ndis802_11AuthModeWPA) {
4087 /* Check AuthMode and AuthModeAux for matching, in case AP support dual-mode */
4088 if ((pAd->StaCfg.AuthMode != pInBss->AuthMode)
4089 && (pAd->StaCfg.AuthMode !=
4090 pInBss->AuthModeAux))
4091 /* None matched */
4092 continue;
4093
4094 /* Check cipher suite, AP must have more secured cipher than station setting */
4095 if ((pAd->StaCfg.AuthMode ==
4096 Ndis802_11AuthModeWPA)
4097 || (pAd->StaCfg.AuthMode ==
4098 Ndis802_11AuthModeWPAPSK)) {
4099 /* If it's not mixed mode, we should only let BSS pass with the same encryption */
4100 if (pInBss->WPA.bMixMode == FALSE)
4101 if (pAd->StaCfg.WepStatus !=
4102 pInBss->WPA.GroupCipher)
4103 continue;
4104
4105 /* check group cipher */
4106 if (pAd->StaCfg.WepStatus <
4107 pInBss->WPA.GroupCipher)
4108 continue;
4109
4110 /* check pairwise cipher, skip if none matched */
4111 /* If profile set to AES, let it pass without question. */
4112 /* If profile set to TKIP, we must find one mateched */
4113 if ((pAd->StaCfg.WepStatus ==
4114 Ndis802_11Encryption2Enabled)
4115 && (pAd->StaCfg.WepStatus !=
4116 pInBss->WPA.PairCipher)
4117 && (pAd->StaCfg.WepStatus !=
4118 pInBss->WPA.PairCipherAux))
4119 continue;
4120 } else
4121 if ((pAd->StaCfg.AuthMode ==
4122 Ndis802_11AuthModeWPA2)
4123 || (pAd->StaCfg.AuthMode ==
4124 Ndis802_11AuthModeWPA2PSK)) {
4125 /* If it's not mixed mode, we should only let BSS pass with the same encryption */
4126 if (pInBss->WPA2.bMixMode == FALSE)
4127 if (pAd->StaCfg.WepStatus !=
4128 pInBss->WPA2.GroupCipher)
4129 continue;
4130
4131 /* check group cipher */
4132 if (pAd->StaCfg.WepStatus <
4133 pInBss->WPA2.GroupCipher)
4134 continue;
4135
4136 /* check pairwise cipher, skip if none matched */
4137 /* If profile set to AES, let it pass without question. */
4138 /* If profile set to TKIP, we must find one mateched */
4139 if ((pAd->StaCfg.WepStatus ==
4140 Ndis802_11Encryption2Enabled)
4141 && (pAd->StaCfg.WepStatus !=
4142 pInBss->WPA2.PairCipher)
4143 && (pAd->StaCfg.WepStatus !=
4144 pInBss->WPA2.PairCipherAux))
4145 continue;
4146 }
4147 }
4148 /* Bss Type matched, SSID matched. */
4149 /* We will check wepstatus for qualification Bss */
4150 else if (pAd->StaCfg.WepStatus != pInBss->WepStatus)
4151 continue;
4152
4153 /* If both station and AP use 40MHz, still need to check if the 40MHZ band's legality in my country region */
4154 /* If this 40MHz wideband is not allowed in my country list, use bandwidth 20MHZ instead, */
4155 if ((pInBss->CentralChannel != pInBss->Channel) &&
4156 (pAd->CommonCfg.RegTransmitSetting.field.BW ==
4157 BW_40)) {
4158 if (RTMPCheckChannel
4159 (pAd, pInBss->CentralChannel,
4160 pInBss->Channel) == FALSE) {
4161 pAd->CommonCfg.RegTransmitSetting.field.
4162 BW = BW_20;
4163 SetCommonHT(pAd);
4164 pAd->CommonCfg.RegTransmitSetting.field.
4165 BW = BW_40;
4166 }
4167 }
4168 /* copy matching BSS from InTab to OutTab */
4169 NdisMoveMemory(pOutBss, pInBss, sizeof(struct rt_bss_entry));
4170
4171 OutTab->BssNr++;
4172 }
4173
4174 if (OutTab->BssNr >= MAX_LEN_OF_BSS_TABLE)
4175 break;
4176 }
4177
4178 BssTableSortByRssi(OutTab);
4179 }
4180
4181 /* IRQL = DISPATCH_LEVEL */
BssTableSortByRssi(struct rt_bss_table * OutTab)4182 void BssTableSortByRssi(struct rt_bss_table *OutTab)
4183 {
4184 int i, j;
4185 struct rt_bss_entry TmpBss;
4186
4187 for (i = 0; i < OutTab->BssNr - 1; i++) {
4188 for (j = i + 1; j < OutTab->BssNr; j++) {
4189 if (OutTab->BssEntry[j].Rssi > OutTab->BssEntry[i].Rssi) {
4190 NdisMoveMemory(&TmpBss, &OutTab->BssEntry[j],
4191 sizeof(struct rt_bss_entry));
4192 NdisMoveMemory(&OutTab->BssEntry[j],
4193 &OutTab->BssEntry[i],
4194 sizeof(struct rt_bss_entry));
4195 NdisMoveMemory(&OutTab->BssEntry[i], &TmpBss,
4196 sizeof(struct rt_bss_entry));
4197 }
4198 }
4199 }
4200 }
4201
BssCipherParse(struct rt_bss_entry * pBss)4202 void BssCipherParse(struct rt_bss_entry *pBss)
4203 {
4204 struct rt_eid * pEid;
4205 u8 *pTmp;
4206 struct rt_rsn_ie_header * pRsnHeader;
4207 struct rt_cipher_suite_struct * pCipher;
4208 struct rt_akm_suite * pAKM;
4209 u16 Count;
4210 int Length;
4211 NDIS_802_11_ENCRYPTION_STATUS TmpCipher;
4212
4213 /* */
4214 /* WepStatus will be reset later, if AP announce TKIP or AES on the beacon frame. */
4215 /* */
4216 if (pBss->Privacy) {
4217 pBss->WepStatus = Ndis802_11WEPEnabled;
4218 } else {
4219 pBss->WepStatus = Ndis802_11WEPDisabled;
4220 }
4221 /* Set default to disable & open authentication before parsing variable IE */
4222 pBss->AuthMode = Ndis802_11AuthModeOpen;
4223 pBss->AuthModeAux = Ndis802_11AuthModeOpen;
4224
4225 /* Init WPA setting */
4226 pBss->WPA.PairCipher = Ndis802_11WEPDisabled;
4227 pBss->WPA.PairCipherAux = Ndis802_11WEPDisabled;
4228 pBss->WPA.GroupCipher = Ndis802_11WEPDisabled;
4229 pBss->WPA.RsnCapability = 0;
4230 pBss->WPA.bMixMode = FALSE;
4231
4232 /* Init WPA2 setting */
4233 pBss->WPA2.PairCipher = Ndis802_11WEPDisabled;
4234 pBss->WPA2.PairCipherAux = Ndis802_11WEPDisabled;
4235 pBss->WPA2.GroupCipher = Ndis802_11WEPDisabled;
4236 pBss->WPA2.RsnCapability = 0;
4237 pBss->WPA2.bMixMode = FALSE;
4238
4239 Length = (int)pBss->VarIELen;
4240
4241 while (Length > 0) {
4242 /* Parse cipher suite base on WPA1 & WPA2, they should be parsed differently */
4243 pTmp = ((u8 *)pBss->VarIEs) + pBss->VarIELen - Length;
4244 pEid = (struct rt_eid *) pTmp;
4245 switch (pEid->Eid) {
4246 case IE_WPA:
4247 if (NdisEqualMemory(pEid->Octet, SES_OUI, 3)
4248 && (pEid->Len == 7)) {
4249 pBss->bSES = TRUE;
4250 break;
4251 } else if (NdisEqualMemory(pEid->Octet, WPA_OUI, 4) !=
4252 1) {
4253 /* if unsupported vendor specific IE */
4254 break;
4255 }
4256 /* Skip OUI, version, and multicast suite */
4257 /* This part should be improved in the future when AP supported multiple cipher suite. */
4258 /* For now, it's OK since almost all APs have fixed cipher suite supported. */
4259 /* pTmp = (u8 *)pEid->Octet; */
4260 pTmp += 11;
4261
4262 /* Cipher Suite Selectors from Spec P802.11i/D3.2 P26. */
4263 /* Value Meaning */
4264 /* 0 None */
4265 /* 1 WEP-40 */
4266 /* 2 Tkip */
4267 /* 3 WRAP */
4268 /* 4 AES */
4269 /* 5 WEP-104 */
4270 /* Parse group cipher */
4271 switch (*pTmp) {
4272 case 1:
4273 pBss->WPA.GroupCipher =
4274 Ndis802_11GroupWEP40Enabled;
4275 break;
4276 case 5:
4277 pBss->WPA.GroupCipher =
4278 Ndis802_11GroupWEP104Enabled;
4279 break;
4280 case 2:
4281 pBss->WPA.GroupCipher =
4282 Ndis802_11Encryption2Enabled;
4283 break;
4284 case 4:
4285 pBss->WPA.GroupCipher =
4286 Ndis802_11Encryption3Enabled;
4287 break;
4288 default:
4289 break;
4290 }
4291 /* number of unicast suite */
4292 pTmp += 1;
4293
4294 /* skip all unicast cipher suites */
4295 /*Count = *(u16 *)pTmp; */
4296 Count = (pTmp[1] << 8) + pTmp[0];
4297 pTmp += sizeof(u16);
4298
4299 /* Parsing all unicast cipher suite */
4300 while (Count > 0) {
4301 /* Skip OUI */
4302 pTmp += 3;
4303 TmpCipher = Ndis802_11WEPDisabled;
4304 switch (*pTmp) {
4305 case 1:
4306 case 5: /* Although WEP is not allowed in WPA related auth mode, we parse it anyway */
4307 TmpCipher =
4308 Ndis802_11Encryption1Enabled;
4309 break;
4310 case 2:
4311 TmpCipher =
4312 Ndis802_11Encryption2Enabled;
4313 break;
4314 case 4:
4315 TmpCipher =
4316 Ndis802_11Encryption3Enabled;
4317 break;
4318 default:
4319 break;
4320 }
4321 if (TmpCipher > pBss->WPA.PairCipher) {
4322 /* Move the lower cipher suite to PairCipherAux */
4323 pBss->WPA.PairCipherAux =
4324 pBss->WPA.PairCipher;
4325 pBss->WPA.PairCipher = TmpCipher;
4326 } else {
4327 pBss->WPA.PairCipherAux = TmpCipher;
4328 }
4329 pTmp++;
4330 Count--;
4331 }
4332
4333 /* 4. get AKM suite counts */
4334 /*Count = *(u16 *)pTmp; */
4335 Count = (pTmp[1] << 8) + pTmp[0];
4336 pTmp += sizeof(u16);
4337 pTmp += 3;
4338
4339 switch (*pTmp) {
4340 case 1:
4341 /* Set AP support WPA-enterprise mode */
4342 if (pBss->AuthMode == Ndis802_11AuthModeOpen)
4343 pBss->AuthMode = Ndis802_11AuthModeWPA;
4344 else
4345 pBss->AuthModeAux =
4346 Ndis802_11AuthModeWPA;
4347 break;
4348 case 2:
4349 /* Set AP support WPA-PSK mode */
4350 if (pBss->AuthMode == Ndis802_11AuthModeOpen)
4351 pBss->AuthMode =
4352 Ndis802_11AuthModeWPAPSK;
4353 else
4354 pBss->AuthModeAux =
4355 Ndis802_11AuthModeWPAPSK;
4356 break;
4357 default:
4358 break;
4359 }
4360 pTmp += 1;
4361
4362 /* Fixed for WPA-None */
4363 if (pBss->BssType == BSS_ADHOC) {
4364 pBss->AuthMode = Ndis802_11AuthModeWPANone;
4365 pBss->AuthModeAux = Ndis802_11AuthModeWPANone;
4366 pBss->WepStatus = pBss->WPA.GroupCipher;
4367 /* Patched bugs for old driver */
4368 if (pBss->WPA.PairCipherAux ==
4369 Ndis802_11WEPDisabled)
4370 pBss->WPA.PairCipherAux =
4371 pBss->WPA.GroupCipher;
4372 } else
4373 pBss->WepStatus = pBss->WPA.PairCipher;
4374
4375 /* Check the Pair & Group, if different, turn on mixed mode flag */
4376 if (pBss->WPA.GroupCipher != pBss->WPA.PairCipher)
4377 pBss->WPA.bMixMode = TRUE;
4378
4379 break;
4380
4381 case IE_RSN:
4382 pRsnHeader = (struct rt_rsn_ie_header *) pTmp;
4383
4384 /* 0. Version must be 1 */
4385 if (le2cpu16(pRsnHeader->Version) != 1)
4386 break;
4387 pTmp += sizeof(struct rt_rsn_ie_header);
4388
4389 /* 1. Check group cipher */
4390 pCipher = (struct rt_cipher_suite_struct *) pTmp;
4391 if (!RTMPEqualMemory(pTmp, RSN_OUI, 3))
4392 break;
4393
4394 /* Parse group cipher */
4395 switch (pCipher->Type) {
4396 case 1:
4397 pBss->WPA2.GroupCipher =
4398 Ndis802_11GroupWEP40Enabled;
4399 break;
4400 case 5:
4401 pBss->WPA2.GroupCipher =
4402 Ndis802_11GroupWEP104Enabled;
4403 break;
4404 case 2:
4405 pBss->WPA2.GroupCipher =
4406 Ndis802_11Encryption2Enabled;
4407 break;
4408 case 4:
4409 pBss->WPA2.GroupCipher =
4410 Ndis802_11Encryption3Enabled;
4411 break;
4412 default:
4413 break;
4414 }
4415 /* set to correct offset for next parsing */
4416 pTmp += sizeof(struct rt_cipher_suite_struct);
4417
4418 /* 2. Get pairwise cipher counts */
4419 /*Count = *(u16 *)pTmp; */
4420 Count = (pTmp[1] << 8) + pTmp[0];
4421 pTmp += sizeof(u16);
4422
4423 /* 3. Get pairwise cipher */
4424 /* Parsing all unicast cipher suite */
4425 while (Count > 0) {
4426 /* Skip OUI */
4427 pCipher = (struct rt_cipher_suite_struct *) pTmp;
4428 TmpCipher = Ndis802_11WEPDisabled;
4429 switch (pCipher->Type) {
4430 case 1:
4431 case 5: /* Although WEP is not allowed in WPA related auth mode, we parse it anyway */
4432 TmpCipher =
4433 Ndis802_11Encryption1Enabled;
4434 break;
4435 case 2:
4436 TmpCipher =
4437 Ndis802_11Encryption2Enabled;
4438 break;
4439 case 4:
4440 TmpCipher =
4441 Ndis802_11Encryption3Enabled;
4442 break;
4443 default:
4444 break;
4445 }
4446 if (TmpCipher > pBss->WPA2.PairCipher) {
4447 /* Move the lower cipher suite to PairCipherAux */
4448 pBss->WPA2.PairCipherAux =
4449 pBss->WPA2.PairCipher;
4450 pBss->WPA2.PairCipher = TmpCipher;
4451 } else {
4452 pBss->WPA2.PairCipherAux = TmpCipher;
4453 }
4454 pTmp += sizeof(struct rt_cipher_suite_struct);
4455 Count--;
4456 }
4457
4458 /* 4. get AKM suite counts */
4459 /*Count = *(u16 *)pTmp; */
4460 Count = (pTmp[1] << 8) + pTmp[0];
4461 pTmp += sizeof(u16);
4462
4463 /* 5. Get AKM ciphers */
4464 /* Parsing all AKM ciphers */
4465 while (Count > 0) {
4466 pAKM = (struct rt_akm_suite *) pTmp;
4467 if (!RTMPEqualMemory(pTmp, RSN_OUI, 3))
4468 break;
4469
4470 switch (pAKM->Type) {
4471 case 1:
4472 /* Set AP support WPA-enterprise mode */
4473 if (pBss->AuthMode ==
4474 Ndis802_11AuthModeOpen)
4475 pBss->AuthMode =
4476 Ndis802_11AuthModeWPA2;
4477 else
4478 pBss->AuthModeAux =
4479 Ndis802_11AuthModeWPA2;
4480 break;
4481 case 2:
4482 /* Set AP support WPA-PSK mode */
4483 if (pBss->AuthMode ==
4484 Ndis802_11AuthModeOpen)
4485 pBss->AuthMode =
4486 Ndis802_11AuthModeWPA2PSK;
4487 else
4488 pBss->AuthModeAux =
4489 Ndis802_11AuthModeWPA2PSK;
4490 break;
4491 default:
4492 if (pBss->AuthMode ==
4493 Ndis802_11AuthModeOpen)
4494 pBss->AuthMode =
4495 Ndis802_11AuthModeMax;
4496 else
4497 pBss->AuthModeAux =
4498 Ndis802_11AuthModeMax;
4499 break;
4500 }
4501 pTmp += (Count * sizeof(struct rt_akm_suite));
4502 Count--;
4503 }
4504
4505 /* Fixed for WPA-None */
4506 if (pBss->BssType == BSS_ADHOC) {
4507 pBss->AuthMode = Ndis802_11AuthModeWPANone;
4508 pBss->AuthModeAux = Ndis802_11AuthModeWPANone;
4509 pBss->WPA.PairCipherAux =
4510 pBss->WPA2.PairCipherAux;
4511 pBss->WPA.GroupCipher = pBss->WPA2.GroupCipher;
4512 pBss->WepStatus = pBss->WPA.GroupCipher;
4513 /* Patched bugs for old driver */
4514 if (pBss->WPA.PairCipherAux ==
4515 Ndis802_11WEPDisabled)
4516 pBss->WPA.PairCipherAux =
4517 pBss->WPA.GroupCipher;
4518 }
4519 pBss->WepStatus = pBss->WPA2.PairCipher;
4520
4521 /* 6. Get RSN capability */
4522 /*pBss->WPA2.RsnCapability = *(u16 *)pTmp; */
4523 pBss->WPA2.RsnCapability = (pTmp[1] << 8) + pTmp[0];
4524 pTmp += sizeof(u16);
4525
4526 /* Check the Pair & Group, if different, turn on mixed mode flag */
4527 if (pBss->WPA2.GroupCipher != pBss->WPA2.PairCipher)
4528 pBss->WPA2.bMixMode = TRUE;
4529
4530 break;
4531 default:
4532 break;
4533 }
4534 Length -= (pEid->Len + 2);
4535 }
4536 }
4537
4538 /* =========================================================================================== */
4539 /* mac_table.c */
4540 /* =========================================================================================== */
4541
4542 /*! \brief generates a random mac address value for IBSS BSSID
4543 * \param Addr the bssid location
4544 * \return none
4545 * \pre
4546 * \post
4547 */
MacAddrRandomBssid(struct rt_rtmp_adapter * pAd,u8 * pAddr)4548 void MacAddrRandomBssid(struct rt_rtmp_adapter *pAd, u8 *pAddr)
4549 {
4550 int i;
4551
4552 for (i = 0; i < MAC_ADDR_LEN; i++) {
4553 pAddr[i] = RandomByte(pAd);
4554 }
4555
4556 pAddr[0] = (pAddr[0] & 0xfe) | 0x02; /* the first 2 bits must be 01xxxxxxxx */
4557 }
4558
4559 /*! \brief init the management mac frame header
4560 * \param p_hdr mac header
4561 * \param subtype subtype of the frame
4562 * \param p_ds destination address, don't care if it is a broadcast address
4563 * \return none
4564 * \pre the station has the following information in the pAd->StaCfg
4565 * - bssid
4566 * - station address
4567 * \post
4568 * \note this function initializes the following field
4569
4570 IRQL = PASSIVE_LEVEL
4571 IRQL = DISPATCH_LEVEL
4572
4573 */
MgtMacHeaderInit(struct rt_rtmp_adapter * pAd,struct rt_header_802_11 * pHdr80211,u8 SubType,u8 ToDs,u8 * pDA,u8 * pBssid)4574 void MgtMacHeaderInit(struct rt_rtmp_adapter *pAd,
4575 struct rt_header_802_11 * pHdr80211,
4576 u8 SubType,
4577 u8 ToDs, u8 *pDA, u8 *pBssid)
4578 {
4579 NdisZeroMemory(pHdr80211, sizeof(struct rt_header_802_11));
4580
4581 pHdr80211->FC.Type = BTYPE_MGMT;
4582 pHdr80211->FC.SubType = SubType;
4583 /* if (SubType == SUBTYPE_ACK) // sample, no use, it will conflict with ACTION frame sub type */
4584 /* pHdr80211->FC.Type = BTYPE_CNTL; */
4585 pHdr80211->FC.ToDs = ToDs;
4586 COPY_MAC_ADDR(pHdr80211->Addr1, pDA);
4587 COPY_MAC_ADDR(pHdr80211->Addr2, pAd->CurrentAddress);
4588 COPY_MAC_ADDR(pHdr80211->Addr3, pBssid);
4589 }
4590
4591 /* =========================================================================================== */
4592 /* mem_mgmt.c */
4593 /* =========================================================================================== */
4594
4595 /*!***************************************************************************
4596 * This routine build an outgoing frame, and fill all information specified
4597 * in argument list to the frame body. The actual frame size is the summation
4598 * of all arguments.
4599 * input params:
4600 * Buffer - pointer to a pre-allocated memory segment
4601 * args - a list of <int arg_size, arg> pairs.
4602 * NOTE NOTE NOTE! the last argument must be NULL, otherwise this
4603 * function will FAIL!
4604 * return:
4605 * Size of the buffer
4606 * usage:
4607 * MakeOutgoingFrame(Buffer, output_length, 2, &fc, 2, &dur, 6, p_addr1, 6,p_addr2, END_OF_ARGS);
4608
4609 IRQL = PASSIVE_LEVEL
4610 IRQL = DISPATCH_LEVEL
4611
4612 ****************************************************************************/
MakeOutgoingFrame(u8 * Buffer,unsigned long * FrameLen,...)4613 unsigned long MakeOutgoingFrame(u8 * Buffer, unsigned long * FrameLen, ...)
4614 {
4615 u8 *p;
4616 int leng;
4617 unsigned long TotLeng;
4618 va_list Args;
4619
4620 /* calculates the total length */
4621 TotLeng = 0;
4622 va_start(Args, FrameLen);
4623 do {
4624 leng = va_arg(Args, int);
4625 if (leng == END_OF_ARGS) {
4626 break;
4627 }
4628 p = va_arg(Args, void *);
4629 NdisMoveMemory(&Buffer[TotLeng], p, leng);
4630 TotLeng = TotLeng + leng;
4631 } while (TRUE);
4632
4633 va_end(Args); /* clean up */
4634 *FrameLen = TotLeng;
4635 return TotLeng;
4636 }
4637
4638 /* =========================================================================================== */
4639 /* mlme_queue.c */
4640 /* =========================================================================================== */
4641
4642 /*! \brief Initialize The MLME Queue, used by MLME Functions
4643 * \param *Queue The MLME Queue
4644 * \return Always Return NDIS_STATE_SUCCESS in this implementation
4645 * \pre
4646 * \post
4647 * \note Because this is done only once (at the init stage), no need to be locked
4648
4649 IRQL = PASSIVE_LEVEL
4650
4651 */
MlmeQueueInit(struct rt_mlme_queue * Queue)4652 int MlmeQueueInit(struct rt_mlme_queue *Queue)
4653 {
4654 int i;
4655
4656 NdisAllocateSpinLock(&Queue->Lock);
4657
4658 Queue->Num = 0;
4659 Queue->Head = 0;
4660 Queue->Tail = 0;
4661
4662 for (i = 0; i < MAX_LEN_OF_MLME_QUEUE; i++) {
4663 Queue->Entry[i].Occupied = FALSE;
4664 Queue->Entry[i].MsgLen = 0;
4665 NdisZeroMemory(Queue->Entry[i].Msg, MGMT_DMA_BUFFER_SIZE);
4666 }
4667
4668 return NDIS_STATUS_SUCCESS;
4669 }
4670
4671 /*! \brief Enqueue a message for other threads, if they want to send messages to MLME thread
4672 * \param *Queue The MLME Queue
4673 * \param Machine The State Machine Id
4674 * \param MsgType The Message Type
4675 * \param MsgLen The Message length
4676 * \param *Msg The message pointer
4677 * \return TRUE if enqueue is successful, FALSE if the queue is full
4678 * \pre
4679 * \post
4680 * \note The message has to be initialized
4681
4682 IRQL = PASSIVE_LEVEL
4683 IRQL = DISPATCH_LEVEL
4684
4685 */
MlmeEnqueue(struct rt_rtmp_adapter * pAd,unsigned long Machine,unsigned long MsgType,unsigned long MsgLen,void * Msg)4686 BOOLEAN MlmeEnqueue(struct rt_rtmp_adapter *pAd,
4687 unsigned long Machine,
4688 unsigned long MsgType, unsigned long MsgLen, void * Msg)
4689 {
4690 int Tail;
4691 struct rt_mlme_queue *Queue = (struct rt_mlme_queue *)& pAd->Mlme.Queue;
4692
4693 /* Do nothing if the driver is starting halt state. */
4694 /* This might happen when timer already been fired before cancel timer with mlmehalt */
4695 if (RTMP_TEST_FLAG
4696 (pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
4697 return FALSE;
4698
4699 /* First check the size, it MUST not exceed the mlme queue size */
4700 if (MsgLen > MGMT_DMA_BUFFER_SIZE) {
4701 DBGPRINT_ERR("MlmeEnqueue: msg too large, size = %ld \n", MsgLen);
4702 return FALSE;
4703 }
4704
4705 if (MlmeQueueFull(Queue)) {
4706 return FALSE;
4707 }
4708
4709 NdisAcquireSpinLock(&(Queue->Lock));
4710 Tail = Queue->Tail;
4711 Queue->Tail++;
4712 Queue->Num++;
4713 if (Queue->Tail == MAX_LEN_OF_MLME_QUEUE) {
4714 Queue->Tail = 0;
4715 }
4716
4717 Queue->Entry[Tail].Wcid = RESERVED_WCID;
4718 Queue->Entry[Tail].Occupied = TRUE;
4719 Queue->Entry[Tail].Machine = Machine;
4720 Queue->Entry[Tail].MsgType = MsgType;
4721 Queue->Entry[Tail].MsgLen = MsgLen;
4722
4723 if (Msg != NULL) {
4724 NdisMoveMemory(Queue->Entry[Tail].Msg, Msg, MsgLen);
4725 }
4726
4727 NdisReleaseSpinLock(&(Queue->Lock));
4728 return TRUE;
4729 }
4730
4731 /*! \brief This function is used when Recv gets a MLME message
4732 * \param *Queue The MLME Queue
4733 * \param TimeStampHigh The upper 32 bit of timestamp
4734 * \param TimeStampLow The lower 32 bit of timestamp
4735 * \param Rssi The receiving RSSI strength
4736 * \param MsgLen The length of the message
4737 * \param *Msg The message pointer
4738 * \return TRUE if everything ok, FALSE otherwise (like Queue Full)
4739 * \pre
4740 * \post
4741
4742 IRQL = DISPATCH_LEVEL
4743
4744 */
MlmeEnqueueForRecv(struct rt_rtmp_adapter * pAd,unsigned long Wcid,unsigned long TimeStampHigh,unsigned long TimeStampLow,u8 Rssi0,u8 Rssi1,u8 Rssi2,unsigned long MsgLen,void * Msg,u8 Signal)4745 BOOLEAN MlmeEnqueueForRecv(struct rt_rtmp_adapter *pAd,
4746 unsigned long Wcid,
4747 unsigned long TimeStampHigh,
4748 unsigned long TimeStampLow,
4749 u8 Rssi0,
4750 u8 Rssi1,
4751 u8 Rssi2,
4752 unsigned long MsgLen, void * Msg, u8 Signal)
4753 {
4754 int Tail, Machine;
4755 struct rt_frame_802_11 * pFrame = (struct rt_frame_802_11 *) Msg;
4756 int MsgType;
4757 struct rt_mlme_queue *Queue = (struct rt_mlme_queue *)& pAd->Mlme.Queue;
4758
4759 /* Do nothing if the driver is starting halt state. */
4760 /* This might happen when timer already been fired before cancel timer with mlmehalt */
4761 if (RTMP_TEST_FLAG
4762 (pAd,
4763 fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST)) {
4764 DBGPRINT_ERR("MlmeEnqueueForRecv: fRTMP_ADAPTER_HALT_IN_PROGRESS\n");
4765 return FALSE;
4766 }
4767 /* First check the size, it MUST not exceed the mlme queue size */
4768 if (MsgLen > MGMT_DMA_BUFFER_SIZE) {
4769 DBGPRINT_ERR("MlmeEnqueueForRecv: frame too large, size = %ld \n", MsgLen);
4770 return FALSE;
4771 }
4772
4773 if (MlmeQueueFull(Queue)) {
4774 return FALSE;
4775 }
4776
4777 {
4778 if (!MsgTypeSubst(pAd, pFrame, &Machine, &MsgType)) {
4779 DBGPRINT_ERR("MlmeEnqueueForRecv: un-recongnized mgmt->subtype=%d\n", pFrame->Hdr.FC.SubType);
4780 return FALSE;
4781 }
4782 }
4783
4784 /* OK, we got all the informations, it is time to put things into queue */
4785 NdisAcquireSpinLock(&(Queue->Lock));
4786 Tail = Queue->Tail;
4787 Queue->Tail++;
4788 Queue->Num++;
4789 if (Queue->Tail == MAX_LEN_OF_MLME_QUEUE) {
4790 Queue->Tail = 0;
4791 }
4792 Queue->Entry[Tail].Occupied = TRUE;
4793 Queue->Entry[Tail].Machine = Machine;
4794 Queue->Entry[Tail].MsgType = MsgType;
4795 Queue->Entry[Tail].MsgLen = MsgLen;
4796 Queue->Entry[Tail].TimeStamp.u.LowPart = TimeStampLow;
4797 Queue->Entry[Tail].TimeStamp.u.HighPart = TimeStampHigh;
4798 Queue->Entry[Tail].Rssi0 = Rssi0;
4799 Queue->Entry[Tail].Rssi1 = Rssi1;
4800 Queue->Entry[Tail].Rssi2 = Rssi2;
4801 Queue->Entry[Tail].Signal = Signal;
4802 Queue->Entry[Tail].Wcid = (u8)Wcid;
4803
4804 Queue->Entry[Tail].Channel = pAd->LatchRfRegs.Channel;
4805
4806 if (Msg != NULL) {
4807 NdisMoveMemory(Queue->Entry[Tail].Msg, Msg, MsgLen);
4808 }
4809
4810 NdisReleaseSpinLock(&(Queue->Lock));
4811
4812 RTMP_MLME_HANDLER(pAd);
4813
4814 return TRUE;
4815 }
4816
4817 /*! \brief Dequeue a message from the MLME Queue
4818 * \param *Queue The MLME Queue
4819 * \param *Elem The message dequeued from MLME Queue
4820 * \return TRUE if the Elem contains something, FALSE otherwise
4821 * \pre
4822 * \post
4823
4824 IRQL = DISPATCH_LEVEL
4825
4826 */
MlmeDequeue(struct rt_mlme_queue * Queue,struct rt_mlme_queue_elem ** Elem)4827 BOOLEAN MlmeDequeue(struct rt_mlme_queue *Queue, struct rt_mlme_queue_elem ** Elem)
4828 {
4829 NdisAcquireSpinLock(&(Queue->Lock));
4830 *Elem = &(Queue->Entry[Queue->Head]);
4831 Queue->Num--;
4832 Queue->Head++;
4833 if (Queue->Head == MAX_LEN_OF_MLME_QUEUE) {
4834 Queue->Head = 0;
4835 }
4836 NdisReleaseSpinLock(&(Queue->Lock));
4837 return TRUE;
4838 }
4839
4840 /* IRQL = DISPATCH_LEVEL */
MlmeRestartStateMachine(struct rt_rtmp_adapter * pAd)4841 void MlmeRestartStateMachine(struct rt_rtmp_adapter *pAd)
4842 {
4843 #ifdef RTMP_MAC_PCI
4844 struct rt_mlme_queue_elem *Elem = NULL;
4845 #endif /* RTMP_MAC_PCI // */
4846 BOOLEAN Cancelled;
4847
4848 DBGPRINT(RT_DEBUG_TRACE, ("MlmeRestartStateMachine \n"));
4849
4850 #ifdef RTMP_MAC_PCI
4851 NdisAcquireSpinLock(&pAd->Mlme.TaskLock);
4852 if (pAd->Mlme.bRunning) {
4853 NdisReleaseSpinLock(&pAd->Mlme.TaskLock);
4854 return;
4855 } else {
4856 pAd->Mlme.bRunning = TRUE;
4857 }
4858 NdisReleaseSpinLock(&pAd->Mlme.TaskLock);
4859
4860 /* Remove all Mlme queues elements */
4861 while (!MlmeQueueEmpty(&pAd->Mlme.Queue)) {
4862 /*From message type, determine which state machine I should drive */
4863 if (MlmeDequeue(&pAd->Mlme.Queue, &Elem)) {
4864 /* free MLME element */
4865 Elem->Occupied = FALSE;
4866 Elem->MsgLen = 0;
4867
4868 } else {
4869 DBGPRINT_ERR("MlmeRestartStateMachine: MlmeQueue empty\n");
4870 }
4871 }
4872 #endif /* RTMP_MAC_PCI // */
4873
4874 {
4875 /* Cancel all timer events */
4876 /* Be careful to cancel new added timer */
4877 RTMPCancelTimer(&pAd->MlmeAux.AssocTimer, &Cancelled);
4878 RTMPCancelTimer(&pAd->MlmeAux.ReassocTimer, &Cancelled);
4879 RTMPCancelTimer(&pAd->MlmeAux.DisassocTimer, &Cancelled);
4880 RTMPCancelTimer(&pAd->MlmeAux.AuthTimer, &Cancelled);
4881 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &Cancelled);
4882 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &Cancelled);
4883
4884 }
4885
4886 /* Change back to original channel in case of doing scan */
4887 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
4888 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
4889
4890 /* Resume MSDU which is turned off durning scan */
4891 RTMPResumeMsduTransmission(pAd);
4892
4893 {
4894 /* Set all state machines back IDLE */
4895 pAd->Mlme.CntlMachine.CurrState = CNTL_IDLE;
4896 pAd->Mlme.AssocMachine.CurrState = ASSOC_IDLE;
4897 pAd->Mlme.AuthMachine.CurrState = AUTH_REQ_IDLE;
4898 pAd->Mlme.AuthRspMachine.CurrState = AUTH_RSP_IDLE;
4899 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
4900 pAd->Mlme.ActMachine.CurrState = ACT_IDLE;
4901 }
4902
4903 #ifdef RTMP_MAC_PCI
4904 /* Remove running state */
4905 NdisAcquireSpinLock(&pAd->Mlme.TaskLock);
4906 pAd->Mlme.bRunning = FALSE;
4907 NdisReleaseSpinLock(&pAd->Mlme.TaskLock);
4908 #endif /* RTMP_MAC_PCI // */
4909 }
4910
4911 /*! \brief test if the MLME Queue is empty
4912 * \param *Queue The MLME Queue
4913 * \return TRUE if the Queue is empty, FALSE otherwise
4914 * \pre
4915 * \post
4916
4917 IRQL = DISPATCH_LEVEL
4918
4919 */
MlmeQueueEmpty(struct rt_mlme_queue * Queue)4920 BOOLEAN MlmeQueueEmpty(struct rt_mlme_queue *Queue)
4921 {
4922 BOOLEAN Ans;
4923
4924 NdisAcquireSpinLock(&(Queue->Lock));
4925 Ans = (Queue->Num == 0);
4926 NdisReleaseSpinLock(&(Queue->Lock));
4927
4928 return Ans;
4929 }
4930
4931 /*! \brief test if the MLME Queue is full
4932 * \param *Queue The MLME Queue
4933 * \return TRUE if the Queue is empty, FALSE otherwise
4934 * \pre
4935 * \post
4936
4937 IRQL = PASSIVE_LEVEL
4938 IRQL = DISPATCH_LEVEL
4939
4940 */
MlmeQueueFull(struct rt_mlme_queue * Queue)4941 BOOLEAN MlmeQueueFull(struct rt_mlme_queue *Queue)
4942 {
4943 BOOLEAN Ans;
4944
4945 NdisAcquireSpinLock(&(Queue->Lock));
4946 Ans = (Queue->Num == MAX_LEN_OF_MLME_QUEUE
4947 || Queue->Entry[Queue->Tail].Occupied);
4948 NdisReleaseSpinLock(&(Queue->Lock));
4949
4950 return Ans;
4951 }
4952
4953 /*! \brief The destructor of MLME Queue
4954 * \param
4955 * \return
4956 * \pre
4957 * \post
4958 * \note Clear Mlme Queue, Set Queue->Num to Zero.
4959
4960 IRQL = PASSIVE_LEVEL
4961
4962 */
MlmeQueueDestroy(struct rt_mlme_queue * pQueue)4963 void MlmeQueueDestroy(struct rt_mlme_queue *pQueue)
4964 {
4965 NdisAcquireSpinLock(&(pQueue->Lock));
4966 pQueue->Num = 0;
4967 pQueue->Head = 0;
4968 pQueue->Tail = 0;
4969 NdisReleaseSpinLock(&(pQueue->Lock));
4970 NdisFreeSpinLock(&(pQueue->Lock));
4971 }
4972
4973 /*! \brief To substitute the message type if the message is coming from external
4974 * \param pFrame The frame received
4975 * \param *Machine The state machine
4976 * \param *MsgType the message type for the state machine
4977 * \return TRUE if the substitution is successful, FALSE otherwise
4978 * \pre
4979 * \post
4980
4981 IRQL = DISPATCH_LEVEL
4982
4983 */
MsgTypeSubst(struct rt_rtmp_adapter * pAd,struct rt_frame_802_11 * pFrame,int * Machine,int * MsgType)4984 BOOLEAN MsgTypeSubst(struct rt_rtmp_adapter *pAd,
4985 struct rt_frame_802_11 * pFrame,
4986 int * Machine, int * MsgType)
4987 {
4988 u16 Seq, Alg;
4989 u8 EAPType;
4990 u8 *pData;
4991
4992 /* Pointer to start of data frames including SNAP header */
4993 pData = (u8 *)pFrame + LENGTH_802_11;
4994
4995 /* The only data type will pass to this function is EAPOL frame */
4996 if (pFrame->Hdr.FC.Type == BTYPE_DATA) {
4997 {
4998 *Machine = WPA_STATE_MACHINE;
4999 EAPType =
5000 *((u8 *) pFrame + LENGTH_802_11 +
5001 LENGTH_802_1_H + 1);
5002 return (WpaMsgTypeSubst(EAPType, (int *) MsgType));
5003 }
5004 }
5005
5006 switch (pFrame->Hdr.FC.SubType) {
5007 case SUBTYPE_ASSOC_REQ:
5008 *Machine = ASSOC_STATE_MACHINE;
5009 *MsgType = MT2_PEER_ASSOC_REQ;
5010 break;
5011 case SUBTYPE_ASSOC_RSP:
5012 *Machine = ASSOC_STATE_MACHINE;
5013 *MsgType = MT2_PEER_ASSOC_RSP;
5014 break;
5015 case SUBTYPE_REASSOC_REQ:
5016 *Machine = ASSOC_STATE_MACHINE;
5017 *MsgType = MT2_PEER_REASSOC_REQ;
5018 break;
5019 case SUBTYPE_REASSOC_RSP:
5020 *Machine = ASSOC_STATE_MACHINE;
5021 *MsgType = MT2_PEER_REASSOC_RSP;
5022 break;
5023 case SUBTYPE_PROBE_REQ:
5024 *Machine = SYNC_STATE_MACHINE;
5025 *MsgType = MT2_PEER_PROBE_REQ;
5026 break;
5027 case SUBTYPE_PROBE_RSP:
5028 *Machine = SYNC_STATE_MACHINE;
5029 *MsgType = MT2_PEER_PROBE_RSP;
5030 break;
5031 case SUBTYPE_BEACON:
5032 *Machine = SYNC_STATE_MACHINE;
5033 *MsgType = MT2_PEER_BEACON;
5034 break;
5035 case SUBTYPE_ATIM:
5036 *Machine = SYNC_STATE_MACHINE;
5037 *MsgType = MT2_PEER_ATIM;
5038 break;
5039 case SUBTYPE_DISASSOC:
5040 *Machine = ASSOC_STATE_MACHINE;
5041 *MsgType = MT2_PEER_DISASSOC_REQ;
5042 break;
5043 case SUBTYPE_AUTH:
5044 /* get the sequence number from payload 24 Mac Header + 2 bytes algorithm */
5045 NdisMoveMemory(&Seq, &pFrame->Octet[2], sizeof(u16));
5046 NdisMoveMemory(&Alg, &pFrame->Octet[0], sizeof(u16));
5047 if (Seq == 1 || Seq == 3) {
5048 *Machine = AUTH_RSP_STATE_MACHINE;
5049 *MsgType = MT2_PEER_AUTH_ODD;
5050 } else if (Seq == 2 || Seq == 4) {
5051 if (Alg == AUTH_MODE_OPEN || Alg == AUTH_MODE_KEY) {
5052 *Machine = AUTH_STATE_MACHINE;
5053 *MsgType = MT2_PEER_AUTH_EVEN;
5054 }
5055 } else {
5056 return FALSE;
5057 }
5058 break;
5059 case SUBTYPE_DEAUTH:
5060 *Machine = AUTH_RSP_STATE_MACHINE;
5061 *MsgType = MT2_PEER_DEAUTH;
5062 break;
5063 case SUBTYPE_ACTION:
5064 *Machine = ACTION_STATE_MACHINE;
5065 /* Sometimes Sta will return with category bytes with MSB = 1, if they receive catogory out of their support */
5066 if ((pFrame->Octet[0] & 0x7F) > MAX_PEER_CATE_MSG) {
5067 *MsgType = MT2_ACT_INVALID;
5068 } else {
5069 *MsgType = (pFrame->Octet[0] & 0x7F);
5070 }
5071 break;
5072 default:
5073 return FALSE;
5074 break;
5075 }
5076
5077 return TRUE;
5078 }
5079
5080 /* =========================================================================================== */
5081 /* state_machine.c */
5082 /* =========================================================================================== */
5083
5084 /*! \brief Initialize the state machine.
5085 * \param *S pointer to the state machine
5086 * \param Trans State machine transition function
5087 * \param StNr number of states
5088 * \param MsgNr number of messages
5089 * \param DefFunc default function, when there is invalid state/message combination
5090 * \param InitState initial state of the state machine
5091 * \param Base StateMachine base, internal use only
5092 * \pre p_sm should be a legal pointer
5093 * \post
5094
5095 IRQL = PASSIVE_LEVEL
5096
5097 */
StateMachineInit(struct rt_state_machine * S,IN STATE_MACHINE_FUNC Trans[],unsigned long StNr,unsigned long MsgNr,IN STATE_MACHINE_FUNC DefFunc,unsigned long InitState,unsigned long Base)5098 void StateMachineInit(struct rt_state_machine *S,
5099 IN STATE_MACHINE_FUNC Trans[],
5100 unsigned long StNr,
5101 unsigned long MsgNr,
5102 IN STATE_MACHINE_FUNC DefFunc,
5103 unsigned long InitState, unsigned long Base)
5104 {
5105 unsigned long i, j;
5106
5107 /* set number of states and messages */
5108 S->NrState = StNr;
5109 S->NrMsg = MsgNr;
5110 S->Base = Base;
5111
5112 S->TransFunc = Trans;
5113
5114 /* init all state transition to default function */
5115 for (i = 0; i < StNr; i++) {
5116 for (j = 0; j < MsgNr; j++) {
5117 S->TransFunc[i * MsgNr + j] = DefFunc;
5118 }
5119 }
5120
5121 /* set the starting state */
5122 S->CurrState = InitState;
5123 }
5124
5125 /*! \brief This function fills in the function pointer into the cell in the state machine
5126 * \param *S pointer to the state machine
5127 * \param St state
5128 * \param Msg incoming message
5129 * \param f the function to be executed when (state, message) combination occurs at the state machine
5130 * \pre *S should be a legal pointer to the state machine, st, msg, should be all within the range, Base should be set in the initial state
5131 * \post
5132
5133 IRQL = PASSIVE_LEVEL
5134
5135 */
StateMachineSetAction(struct rt_state_machine * S,unsigned long St,unsigned long Msg,IN STATE_MACHINE_FUNC Func)5136 void StateMachineSetAction(struct rt_state_machine *S,
5137 unsigned long St,
5138 unsigned long Msg, IN STATE_MACHINE_FUNC Func)
5139 {
5140 unsigned long MsgIdx;
5141
5142 MsgIdx = Msg - S->Base;
5143
5144 if (St < S->NrState && MsgIdx < S->NrMsg) {
5145 /* boundary checking before setting the action */
5146 S->TransFunc[St * S->NrMsg + MsgIdx] = Func;
5147 }
5148 }
5149
5150 /*! \brief This function does the state transition
5151 * \param *Adapter the NIC adapter pointer
5152 * \param *S the state machine
5153 * \param *Elem the message to be executed
5154 * \return None
5155
5156 IRQL = DISPATCH_LEVEL
5157
5158 */
StateMachinePerformAction(struct rt_rtmp_adapter * pAd,struct rt_state_machine * S,struct rt_mlme_queue_elem * Elem)5159 void StateMachinePerformAction(struct rt_rtmp_adapter *pAd,
5160 struct rt_state_machine *S, struct rt_mlme_queue_elem *Elem)
5161 {
5162 (*(S->TransFunc[S->CurrState * S->NrMsg + Elem->MsgType - S->Base]))
5163 (pAd, Elem);
5164 }
5165
5166 /*
5167 ==========================================================================
5168 Description:
5169 The drop function, when machine executes this, the message is simply
5170 ignored. This function does nothing, the message is freed in
5171 StateMachinePerformAction()
5172 ==========================================================================
5173 */
Drop(struct rt_rtmp_adapter * pAd,struct rt_mlme_queue_elem * Elem)5174 void Drop(struct rt_rtmp_adapter *pAd, struct rt_mlme_queue_elem *Elem)
5175 {
5176 }
5177
5178 /* =========================================================================================== */
5179 /* lfsr.c */
5180 /* =========================================================================================== */
5181
5182 /*
5183 ==========================================================================
5184 Description:
5185
5186 IRQL = PASSIVE_LEVEL
5187
5188 ==========================================================================
5189 */
LfsrInit(struct rt_rtmp_adapter * pAd,unsigned long Seed)5190 void LfsrInit(struct rt_rtmp_adapter *pAd, unsigned long Seed)
5191 {
5192 if (Seed == 0)
5193 pAd->Mlme.ShiftReg = 1;
5194 else
5195 pAd->Mlme.ShiftReg = Seed;
5196 }
5197
5198 /*
5199 ==========================================================================
5200 Description:
5201 ==========================================================================
5202 */
RandomByte(struct rt_rtmp_adapter * pAd)5203 u8 RandomByte(struct rt_rtmp_adapter *pAd)
5204 {
5205 unsigned long i;
5206 u8 R, Result;
5207
5208 R = 0;
5209
5210 if (pAd->Mlme.ShiftReg == 0)
5211 NdisGetSystemUpTime((unsigned long *) & pAd->Mlme.ShiftReg);
5212
5213 for (i = 0; i < 8; i++) {
5214 if (pAd->Mlme.ShiftReg & 0x00000001) {
5215 pAd->Mlme.ShiftReg =
5216 ((pAd->Mlme.
5217 ShiftReg ^ LFSR_MASK) >> 1) | 0x80000000;
5218 Result = 1;
5219 } else {
5220 pAd->Mlme.ShiftReg = pAd->Mlme.ShiftReg >> 1;
5221 Result = 0;
5222 }
5223 R = (R << 1) | Result;
5224 }
5225
5226 return R;
5227 }
5228
5229 /*
5230 ========================================================================
5231
5232 Routine Description:
5233 Verify the support rate for different PHY type
5234
5235 Arguments:
5236 pAd Pointer to our adapter
5237
5238 Return Value:
5239 None
5240
5241 IRQL = PASSIVE_LEVEL
5242
5243 ========================================================================
5244 */
RTMPCheckRates(struct rt_rtmp_adapter * pAd,IN u8 SupRate[],IN u8 * SupRateLen)5245 void RTMPCheckRates(struct rt_rtmp_adapter *pAd,
5246 IN u8 SupRate[], IN u8 * SupRateLen)
5247 {
5248 u8 RateIdx, i, j;
5249 u8 NewRate[12], NewRateLen;
5250
5251 NewRateLen = 0;
5252
5253 if (pAd->CommonCfg.PhyMode == PHY_11B)
5254 RateIdx = 4;
5255 else
5256 RateIdx = 12;
5257
5258 /* Check for support rates exclude basic rate bit */
5259 for (i = 0; i < *SupRateLen; i++)
5260 for (j = 0; j < RateIdx; j++)
5261 if ((SupRate[i] & 0x7f) == RateIdTo500Kbps[j])
5262 NewRate[NewRateLen++] = SupRate[i];
5263
5264 *SupRateLen = NewRateLen;
5265 NdisMoveMemory(SupRate, NewRate, NewRateLen);
5266 }
5267
RTMPCheckChannel(struct rt_rtmp_adapter * pAd,u8 CentralChannel,u8 Channel)5268 BOOLEAN RTMPCheckChannel(struct rt_rtmp_adapter *pAd,
5269 u8 CentralChannel, u8 Channel)
5270 {
5271 u8 k;
5272 u8 UpperChannel = 0, LowerChannel = 0;
5273 u8 NoEffectChannelinList = 0;
5274
5275 /* Find upper and lower channel according to 40MHz current operation. */
5276 if (CentralChannel < Channel) {
5277 UpperChannel = Channel;
5278 if (CentralChannel > 2)
5279 LowerChannel = CentralChannel - 2;
5280 else
5281 return FALSE;
5282 } else if (CentralChannel > Channel) {
5283 UpperChannel = CentralChannel + 2;
5284 LowerChannel = Channel;
5285 }
5286
5287 for (k = 0; k < pAd->ChannelListNum; k++) {
5288 if (pAd->ChannelList[k].Channel == UpperChannel) {
5289 NoEffectChannelinList++;
5290 }
5291 if (pAd->ChannelList[k].Channel == LowerChannel) {
5292 NoEffectChannelinList++;
5293 }
5294 }
5295
5296 DBGPRINT(RT_DEBUG_TRACE,
5297 ("Total Channel in Channel List = [%d]\n",
5298 NoEffectChannelinList));
5299 if (NoEffectChannelinList == 2)
5300 return TRUE;
5301 else
5302 return FALSE;
5303 }
5304
5305 /*
5306 ========================================================================
5307
5308 Routine Description:
5309 Verify the support rate for HT phy type
5310
5311 Arguments:
5312 pAd Pointer to our adapter
5313
5314 Return Value:
5315 FALSE if pAd->CommonCfg.SupportedHtPhy doesn't accept the pHtCapability. (AP Mode)
5316
5317 IRQL = PASSIVE_LEVEL
5318
5319 ========================================================================
5320 */
RTMPCheckHt(struct rt_rtmp_adapter * pAd,u8 Wcid,struct rt_ht_capability_ie * pHtCapability,struct rt_add_ht_info_ie * pAddHtInfo)5321 BOOLEAN RTMPCheckHt(struct rt_rtmp_adapter *pAd,
5322 u8 Wcid,
5323 struct rt_ht_capability_ie * pHtCapability,
5324 struct rt_add_ht_info_ie * pAddHtInfo)
5325 {
5326 if (Wcid >= MAX_LEN_OF_MAC_TABLE)
5327 return FALSE;
5328
5329 /* If use AMSDU, set flag. */
5330 if (pAd->CommonCfg.DesiredHtPhy.AmsduEnable)
5331 CLIENT_STATUS_SET_FLAG(&pAd->MacTab.Content[Wcid],
5332 fCLIENT_STATUS_AMSDU_INUSED);
5333 /* Save Peer Capability */
5334 if (pHtCapability->HtCapInfo.ShortGIfor20)
5335 CLIENT_STATUS_SET_FLAG(&pAd->MacTab.Content[Wcid],
5336 fCLIENT_STATUS_SGI20_CAPABLE);
5337 if (pHtCapability->HtCapInfo.ShortGIfor40)
5338 CLIENT_STATUS_SET_FLAG(&pAd->MacTab.Content[Wcid],
5339 fCLIENT_STATUS_SGI40_CAPABLE);
5340 if (pHtCapability->HtCapInfo.TxSTBC)
5341 CLIENT_STATUS_SET_FLAG(&pAd->MacTab.Content[Wcid],
5342 fCLIENT_STATUS_TxSTBC_CAPABLE);
5343 if (pHtCapability->HtCapInfo.RxSTBC)
5344 CLIENT_STATUS_SET_FLAG(&pAd->MacTab.Content[Wcid],
5345 fCLIENT_STATUS_RxSTBC_CAPABLE);
5346 if (pAd->CommonCfg.bRdg && pHtCapability->ExtHtCapInfo.RDGSupport) {
5347 CLIENT_STATUS_SET_FLAG(&pAd->MacTab.Content[Wcid],
5348 fCLIENT_STATUS_RDG_CAPABLE);
5349 }
5350
5351 if (Wcid < MAX_LEN_OF_MAC_TABLE) {
5352 pAd->MacTab.Content[Wcid].MpduDensity =
5353 pHtCapability->HtCapParm.MpduDensity;
5354 }
5355 /* Will check ChannelWidth for MCSSet[4] below */
5356 pAd->MlmeAux.HtCapability.MCSSet[4] = 0x1;
5357 switch (pAd->CommonCfg.RxStream) {
5358 case 1:
5359 pAd->MlmeAux.HtCapability.MCSSet[0] = 0xff;
5360 pAd->MlmeAux.HtCapability.MCSSet[1] = 0x00;
5361 pAd->MlmeAux.HtCapability.MCSSet[2] = 0x00;
5362 pAd->MlmeAux.HtCapability.MCSSet[3] = 0x00;
5363 break;
5364 case 2:
5365 pAd->MlmeAux.HtCapability.MCSSet[0] = 0xff;
5366 pAd->MlmeAux.HtCapability.MCSSet[1] = 0xff;
5367 pAd->MlmeAux.HtCapability.MCSSet[2] = 0x00;
5368 pAd->MlmeAux.HtCapability.MCSSet[3] = 0x00;
5369 break;
5370 case 3:
5371 pAd->MlmeAux.HtCapability.MCSSet[0] = 0xff;
5372 pAd->MlmeAux.HtCapability.MCSSet[1] = 0xff;
5373 pAd->MlmeAux.HtCapability.MCSSet[2] = 0xff;
5374 pAd->MlmeAux.HtCapability.MCSSet[3] = 0x00;
5375 break;
5376 }
5377
5378 pAd->MlmeAux.HtCapability.HtCapInfo.ChannelWidth =
5379 pAddHtInfo->AddHtInfo.RecomWidth & pAd->CommonCfg.DesiredHtPhy.
5380 ChannelWidth;
5381
5382 DBGPRINT(RT_DEBUG_TRACE,
5383 ("RTMPCheckHt:: HtCapInfo.ChannelWidth=%d, RecomWidth=%d, DesiredHtPhy.ChannelWidth=%d, BW40MAvailForA/G=%d/%d, PhyMode=%d \n",
5384 pAd->MlmeAux.HtCapability.HtCapInfo.ChannelWidth,
5385 pAddHtInfo->AddHtInfo.RecomWidth,
5386 pAd->CommonCfg.DesiredHtPhy.ChannelWidth,
5387 pAd->NicConfig2.field.BW40MAvailForA,
5388 pAd->NicConfig2.field.BW40MAvailForG,
5389 pAd->CommonCfg.PhyMode));
5390
5391 pAd->MlmeAux.HtCapability.HtCapInfo.GF =
5392 pHtCapability->HtCapInfo.GF & pAd->CommonCfg.DesiredHtPhy.GF;
5393
5394 /* Send Assoc Req with my HT capability. */
5395 pAd->MlmeAux.HtCapability.HtCapInfo.AMsduSize =
5396 pAd->CommonCfg.DesiredHtPhy.AmsduSize;
5397 pAd->MlmeAux.HtCapability.HtCapInfo.MimoPs =
5398 pAd->CommonCfg.DesiredHtPhy.MimoPs;
5399 pAd->MlmeAux.HtCapability.HtCapInfo.ShortGIfor20 =
5400 (pAd->CommonCfg.DesiredHtPhy.ShortGIfor20) & (pHtCapability->
5401 HtCapInfo.
5402 ShortGIfor20);
5403 pAd->MlmeAux.HtCapability.HtCapInfo.ShortGIfor40 =
5404 (pAd->CommonCfg.DesiredHtPhy.ShortGIfor40) & (pHtCapability->
5405 HtCapInfo.
5406 ShortGIfor40);
5407 pAd->MlmeAux.HtCapability.HtCapInfo.TxSTBC =
5408 (pAd->CommonCfg.DesiredHtPhy.TxSTBC) & (pHtCapability->HtCapInfo.
5409 RxSTBC);
5410 pAd->MlmeAux.HtCapability.HtCapInfo.RxSTBC =
5411 (pAd->CommonCfg.DesiredHtPhy.RxSTBC) & (pHtCapability->HtCapInfo.
5412 TxSTBC);
5413 pAd->MlmeAux.HtCapability.HtCapParm.MaxRAmpduFactor =
5414 pAd->CommonCfg.DesiredHtPhy.MaxRAmpduFactor;
5415 pAd->MlmeAux.HtCapability.HtCapParm.MpduDensity =
5416 pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity;
5417 pAd->MlmeAux.HtCapability.ExtHtCapInfo.PlusHTC =
5418 pHtCapability->ExtHtCapInfo.PlusHTC;
5419 pAd->MacTab.Content[Wcid].HTCapability.ExtHtCapInfo.PlusHTC =
5420 pHtCapability->ExtHtCapInfo.PlusHTC;
5421 if (pAd->CommonCfg.bRdg) {
5422 pAd->MlmeAux.HtCapability.ExtHtCapInfo.RDGSupport =
5423 pHtCapability->ExtHtCapInfo.RDGSupport;
5424 pAd->MlmeAux.HtCapability.ExtHtCapInfo.PlusHTC = 1;
5425 }
5426
5427 if (pAd->MlmeAux.HtCapability.HtCapInfo.ChannelWidth == BW_20)
5428 pAd->MlmeAux.HtCapability.MCSSet[4] = 0x0; /* BW20 can't transmit MCS32 */
5429
5430 COPY_AP_HTSETTINGS_FROM_BEACON(pAd, pHtCapability);
5431 return TRUE;
5432 }
5433
5434 /*
5435 ========================================================================
5436
5437 Routine Description:
5438 Verify the support rate for different PHY type
5439
5440 Arguments:
5441 pAd Pointer to our adapter
5442
5443 Return Value:
5444 None
5445
5446 IRQL = PASSIVE_LEVEL
5447
5448 ========================================================================
5449 */
RTMPUpdateMlmeRate(struct rt_rtmp_adapter * pAd)5450 void RTMPUpdateMlmeRate(struct rt_rtmp_adapter *pAd)
5451 {
5452 u8 MinimumRate;
5453 u8 ProperMlmeRate; /*= RATE_54; */
5454 u8 i, j, RateIdx = 12; /*1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54 */
5455 BOOLEAN bMatch = FALSE;
5456
5457 switch (pAd->CommonCfg.PhyMode) {
5458 case PHY_11B:
5459 ProperMlmeRate = RATE_11;
5460 MinimumRate = RATE_1;
5461 break;
5462 case PHY_11BG_MIXED:
5463 case PHY_11ABGN_MIXED:
5464 case PHY_11BGN_MIXED:
5465 if ((pAd->MlmeAux.SupRateLen == 4) &&
5466 (pAd->MlmeAux.ExtRateLen == 0))
5467 /* B only AP */
5468 ProperMlmeRate = RATE_11;
5469 else
5470 ProperMlmeRate = RATE_24;
5471
5472 if (pAd->MlmeAux.Channel <= 14)
5473 MinimumRate = RATE_1;
5474 else
5475 MinimumRate = RATE_6;
5476 break;
5477 case PHY_11A:
5478 case PHY_11N_2_4G: /* rt2860 need to check mlmerate for 802.11n */
5479 case PHY_11GN_MIXED:
5480 case PHY_11AGN_MIXED:
5481 case PHY_11AN_MIXED:
5482 case PHY_11N_5G:
5483 ProperMlmeRate = RATE_24;
5484 MinimumRate = RATE_6;
5485 break;
5486 case PHY_11ABG_MIXED:
5487 ProperMlmeRate = RATE_24;
5488 if (pAd->MlmeAux.Channel <= 14)
5489 MinimumRate = RATE_1;
5490 else
5491 MinimumRate = RATE_6;
5492 break;
5493 default: /* error */
5494 ProperMlmeRate = RATE_1;
5495 MinimumRate = RATE_1;
5496 break;
5497 }
5498
5499 for (i = 0; i < pAd->MlmeAux.SupRateLen; i++) {
5500 for (j = 0; j < RateIdx; j++) {
5501 if ((pAd->MlmeAux.SupRate[i] & 0x7f) ==
5502 RateIdTo500Kbps[j]) {
5503 if (j == ProperMlmeRate) {
5504 bMatch = TRUE;
5505 break;
5506 }
5507 }
5508 }
5509
5510 if (bMatch)
5511 break;
5512 }
5513
5514 if (bMatch == FALSE) {
5515 for (i = 0; i < pAd->MlmeAux.ExtRateLen; i++) {
5516 for (j = 0; j < RateIdx; j++) {
5517 if ((pAd->MlmeAux.ExtRate[i] & 0x7f) ==
5518 RateIdTo500Kbps[j]) {
5519 if (j == ProperMlmeRate) {
5520 bMatch = TRUE;
5521 break;
5522 }
5523 }
5524 }
5525
5526 if (bMatch)
5527 break;
5528 }
5529 }
5530
5531 if (bMatch == FALSE) {
5532 ProperMlmeRate = MinimumRate;
5533 }
5534
5535 pAd->CommonCfg.MlmeRate = MinimumRate;
5536 pAd->CommonCfg.RtsRate = ProperMlmeRate;
5537 if (pAd->CommonCfg.MlmeRate >= RATE_6) {
5538 pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_OFDM;
5539 pAd->CommonCfg.MlmeTransmit.field.MCS =
5540 OfdmRateToRxwiMCS[pAd->CommonCfg.MlmeRate];
5541 pAd->MacTab.Content[BSS0Mcast_WCID].HTPhyMode.field.MODE =
5542 MODE_OFDM;
5543 pAd->MacTab.Content[BSS0Mcast_WCID].HTPhyMode.field.MCS =
5544 OfdmRateToRxwiMCS[pAd->CommonCfg.MlmeRate];
5545 } else {
5546 pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_CCK;
5547 pAd->CommonCfg.MlmeTransmit.field.MCS = pAd->CommonCfg.MlmeRate;
5548 pAd->MacTab.Content[BSS0Mcast_WCID].HTPhyMode.field.MODE =
5549 MODE_CCK;
5550 pAd->MacTab.Content[BSS0Mcast_WCID].HTPhyMode.field.MCS =
5551 pAd->CommonCfg.MlmeRate;
5552 }
5553
5554 DBGPRINT(RT_DEBUG_TRACE,
5555 ("RTMPUpdateMlmeRate ==> MlmeTransmit = 0x%x \n",
5556 pAd->CommonCfg.MlmeTransmit.word));
5557 }
5558
RTMPMaxRssi(struct rt_rtmp_adapter * pAd,char Rssi0,char Rssi1,char Rssi2)5559 char RTMPMaxRssi(struct rt_rtmp_adapter *pAd,
5560 char Rssi0, char Rssi1, char Rssi2)
5561 {
5562 char larger = -127;
5563
5564 if ((pAd->Antenna.field.RxPath == 1) && (Rssi0 != 0)) {
5565 larger = Rssi0;
5566 }
5567
5568 if ((pAd->Antenna.field.RxPath >= 2) && (Rssi1 != 0)) {
5569 larger = max(Rssi0, Rssi1);
5570 }
5571
5572 if ((pAd->Antenna.field.RxPath == 3) && (Rssi2 != 0)) {
5573 larger = max(larger, Rssi2);
5574 }
5575
5576 if (larger == -127)
5577 larger = 0;
5578
5579 return larger;
5580 }
5581
5582 /*
5583 ========================================================================
5584 Routine Description:
5585 Periodic evaluate antenna link status
5586
5587 Arguments:
5588 pAd - Adapter pointer
5589
5590 Return Value:
5591 None
5592
5593 ========================================================================
5594 */
AsicEvaluateRxAnt(struct rt_rtmp_adapter * pAd)5595 void AsicEvaluateRxAnt(struct rt_rtmp_adapter *pAd)
5596 {
5597 u8 BBPR3 = 0;
5598
5599 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS |
5600 fRTMP_ADAPTER_HALT_IN_PROGRESS |
5601 fRTMP_ADAPTER_RADIO_OFF |
5602 fRTMP_ADAPTER_NIC_NOT_EXIST |
5603 fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS) ||
5604 OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)
5605 #ifdef RT30xx
5606 || (pAd->EepromAccess)
5607 #endif /* RT30xx // */
5608 #ifdef RT3090
5609 || (pAd->bPCIclkOff == TRUE)
5610 #endif /* RT3090 // */
5611 )
5612 return;
5613
5614 {
5615 /*if (pAd->StaCfg.Psm == PWR_SAVE) */
5616 /* return; */
5617
5618 {
5619
5620 if (pAd->StaCfg.Psm == PWR_SAVE)
5621 return;
5622
5623 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &BBPR3);
5624 BBPR3 &= (~0x18);
5625 if (pAd->Antenna.field.RxPath == 3) {
5626 BBPR3 |= (0x10);
5627 } else if (pAd->Antenna.field.RxPath == 2) {
5628 BBPR3 |= (0x8);
5629 } else if (pAd->Antenna.field.RxPath == 1) {
5630 BBPR3 |= (0x0);
5631 }
5632 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, BBPR3);
5633 #ifdef RTMP_MAC_PCI
5634 pAd->StaCfg.BBPR3 = BBPR3;
5635 #endif /* RTMP_MAC_PCI // */
5636 if (OPSTATUS_TEST_FLAG
5637 (pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)
5638 ) {
5639 unsigned long TxTotalCnt =
5640 pAd->RalinkCounters.OneSecTxNoRetryOkCount +
5641 pAd->RalinkCounters.OneSecTxRetryOkCount +
5642 pAd->RalinkCounters.OneSecTxFailCount;
5643
5644 /* dynamic adjust antenna evaluation period according to the traffic */
5645 if (TxTotalCnt > 50) {
5646 RTMPSetTimer(&pAd->Mlme.RxAntEvalTimer,
5647 20);
5648 pAd->Mlme.bLowThroughput = FALSE;
5649 } else {
5650 RTMPSetTimer(&pAd->Mlme.RxAntEvalTimer,
5651 300);
5652 pAd->Mlme.bLowThroughput = TRUE;
5653 }
5654 }
5655 }
5656
5657 }
5658
5659 }
5660
5661 /*
5662 ========================================================================
5663 Routine Description:
5664 After evaluation, check antenna link status
5665
5666 Arguments:
5667 pAd - Adapter pointer
5668
5669 Return Value:
5670 None
5671
5672 ========================================================================
5673 */
AsicRxAntEvalTimeout(void * SystemSpecific1,void * FunctionContext,void * SystemSpecific2,void * SystemSpecific3)5674 void AsicRxAntEvalTimeout(void *SystemSpecific1,
5675 void *FunctionContext,
5676 void *SystemSpecific2, void *SystemSpecific3)
5677 {
5678 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
5679 u8 BBPR3 = 0;
5680 char larger = -127, rssi0, rssi1, rssi2;
5681
5682 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS |
5683 fRTMP_ADAPTER_HALT_IN_PROGRESS |
5684 fRTMP_ADAPTER_RADIO_OFF |
5685 fRTMP_ADAPTER_NIC_NOT_EXIST) ||
5686 OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)
5687 #ifdef RT30xx
5688 || (pAd->EepromAccess)
5689 #endif /* RT30xx // */
5690 #ifdef RT3090
5691 || (pAd->bPCIclkOff == TRUE)
5692 #endif /* RT3090 // */
5693 )
5694 return;
5695
5696 {
5697 /*if (pAd->StaCfg.Psm == PWR_SAVE) */
5698 /* return; */
5699 {
5700 if (pAd->StaCfg.Psm == PWR_SAVE)
5701 return;
5702
5703 /* if the traffic is low, use average rssi as the criteria */
5704 if (pAd->Mlme.bLowThroughput == TRUE) {
5705 rssi0 = pAd->StaCfg.RssiSample.LastRssi0;
5706 rssi1 = pAd->StaCfg.RssiSample.LastRssi1;
5707 rssi2 = pAd->StaCfg.RssiSample.LastRssi2;
5708 } else {
5709 rssi0 = pAd->StaCfg.RssiSample.AvgRssi0;
5710 rssi1 = pAd->StaCfg.RssiSample.AvgRssi1;
5711 rssi2 = pAd->StaCfg.RssiSample.AvgRssi2;
5712 }
5713
5714 if (pAd->Antenna.field.RxPath == 3) {
5715 larger = max(rssi0, rssi1);
5716
5717 if (larger > (rssi2 + 20))
5718 pAd->Mlme.RealRxPath = 2;
5719 else
5720 pAd->Mlme.RealRxPath = 3;
5721 } else if (pAd->Antenna.field.RxPath == 2) {
5722 if (rssi0 > (rssi1 + 20))
5723 pAd->Mlme.RealRxPath = 1;
5724 else
5725 pAd->Mlme.RealRxPath = 2;
5726 }
5727
5728 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &BBPR3);
5729 BBPR3 &= (~0x18);
5730 if (pAd->Mlme.RealRxPath == 3) {
5731 BBPR3 |= (0x10);
5732 } else if (pAd->Mlme.RealRxPath == 2) {
5733 BBPR3 |= (0x8);
5734 } else if (pAd->Mlme.RealRxPath == 1) {
5735 BBPR3 |= (0x0);
5736 }
5737 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, BBPR3);
5738 #ifdef RTMP_MAC_PCI
5739 pAd->StaCfg.BBPR3 = BBPR3;
5740 #endif /* RTMP_MAC_PCI // */
5741 }
5742 }
5743
5744 }
5745
APSDPeriodicExec(void * SystemSpecific1,void * FunctionContext,void * SystemSpecific2,void * SystemSpecific3)5746 void APSDPeriodicExec(void *SystemSpecific1,
5747 void *FunctionContext,
5748 void *SystemSpecific2, void *SystemSpecific3)
5749 {
5750 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext;
5751
5752 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
5753 return;
5754
5755 pAd->CommonCfg.TriggerTimerCount++;
5756
5757 /* Driver should not send trigger frame, it should be send by application layer */
5758 /*
5759 if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable
5760 && (pAd->CommonCfg.bNeedSendTriggerFrame ||
5761 (((pAd->CommonCfg.TriggerTimerCount%20) == 19) && (!pAd->CommonCfg.bAPSDAC_BE || !pAd->CommonCfg.bAPSDAC_BK || !pAd->CommonCfg.bAPSDAC_VI || !pAd->CommonCfg.bAPSDAC_VO))))
5762 {
5763 DBGPRINT(RT_DEBUG_TRACE,("Sending trigger frame and enter service period when support APSD\n"));
5764 RTMPSendNullFrame(pAd, pAd->CommonCfg.TxRate, TRUE);
5765 pAd->CommonCfg.bNeedSendTriggerFrame = FALSE;
5766 pAd->CommonCfg.TriggerTimerCount = 0;
5767 pAd->CommonCfg.bInServicePeriod = TRUE;
5768 }*/
5769 }
5770
5771 /*
5772 ========================================================================
5773 Routine Description:
5774 Set/reset MAC registers according to bPiggyBack parameter
5775
5776 Arguments:
5777 pAd - Adapter pointer
5778 bPiggyBack - Enable / Disable Piggy-Back
5779
5780 Return Value:
5781 None
5782
5783 ========================================================================
5784 */
RTMPSetPiggyBack(struct rt_rtmp_adapter * pAd,IN BOOLEAN bPiggyBack)5785 void RTMPSetPiggyBack(struct rt_rtmp_adapter *pAd, IN BOOLEAN bPiggyBack)
5786 {
5787 TX_LINK_CFG_STRUC TxLinkCfg;
5788
5789 RTMP_IO_READ32(pAd, TX_LINK_CFG, &TxLinkCfg.word);
5790
5791 TxLinkCfg.field.TxCFAckEn = bPiggyBack;
5792 RTMP_IO_WRITE32(pAd, TX_LINK_CFG, TxLinkCfg.word);
5793 }
5794
5795 /*
5796 ========================================================================
5797 Routine Description:
5798 check if this entry need to switch rate automatically
5799
5800 Arguments:
5801 pAd
5802 pEntry
5803
5804 Return Value:
5805 TURE
5806 FALSE
5807
5808 ========================================================================
5809 */
RTMPCheckEntryEnableAutoRateSwitch(struct rt_rtmp_adapter * pAd,struct rt_mac_table_entry * pEntry)5810 BOOLEAN RTMPCheckEntryEnableAutoRateSwitch(struct rt_rtmp_adapter *pAd,
5811 struct rt_mac_table_entry *pEntry)
5812 {
5813 BOOLEAN result = TRUE;
5814
5815 {
5816 /* only associated STA counts */
5817 if (pEntry && (pEntry->ValidAsCLI)
5818 && (pEntry->Sst == SST_ASSOC)) {
5819 result = pAd->StaCfg.bAutoTxRateSwitch;
5820 } else
5821 result = FALSE;
5822 }
5823
5824 return result;
5825 }
5826
RTMPAutoRateSwitchCheck(struct rt_rtmp_adapter * pAd)5827 BOOLEAN RTMPAutoRateSwitchCheck(struct rt_rtmp_adapter *pAd)
5828 {
5829 {
5830 if (pAd->StaCfg.bAutoTxRateSwitch)
5831 return TRUE;
5832 }
5833 return FALSE;
5834 }
5835
5836 /*
5837 ========================================================================
5838 Routine Description:
5839 check if this entry need to fix tx legacy rate
5840
5841 Arguments:
5842 pAd
5843 pEntry
5844
5845 Return Value:
5846 TURE
5847 FALSE
5848
5849 ========================================================================
5850 */
RTMPStaFixedTxMode(struct rt_rtmp_adapter * pAd,struct rt_mac_table_entry * pEntry)5851 u8 RTMPStaFixedTxMode(struct rt_rtmp_adapter *pAd, struct rt_mac_table_entry *pEntry)
5852 {
5853 u8 tx_mode = FIXED_TXMODE_HT;
5854
5855 {
5856 tx_mode =
5857 (u8)pAd->StaCfg.DesiredTransmitSetting.field.
5858 FixedTxMode;
5859 }
5860
5861 return tx_mode;
5862 }
5863
5864 /*
5865 ========================================================================
5866 Routine Description:
5867 Overwrite HT Tx Mode by Fixed Legency Tx Mode, if specified.
5868
5869 Arguments:
5870 pAd
5871 pEntry
5872
5873 Return Value:
5874 TURE
5875 FALSE
5876
5877 ========================================================================
5878 */
RTMPUpdateLegacyTxSetting(u8 fixed_tx_mode,struct rt_mac_table_entry * pEntry)5879 void RTMPUpdateLegacyTxSetting(u8 fixed_tx_mode, struct rt_mac_table_entry *pEntry)
5880 {
5881 HTTRANSMIT_SETTING TransmitSetting;
5882
5883 if (fixed_tx_mode == FIXED_TXMODE_HT)
5884 return;
5885
5886 TransmitSetting.word = 0;
5887
5888 TransmitSetting.field.MODE = pEntry->HTPhyMode.field.MODE;
5889 TransmitSetting.field.MCS = pEntry->HTPhyMode.field.MCS;
5890
5891 if (fixed_tx_mode == FIXED_TXMODE_CCK) {
5892 TransmitSetting.field.MODE = MODE_CCK;
5893 /* CCK mode allow MCS 0~3 */
5894 if (TransmitSetting.field.MCS > MCS_3)
5895 TransmitSetting.field.MCS = MCS_3;
5896 } else {
5897 TransmitSetting.field.MODE = MODE_OFDM;
5898 /* OFDM mode allow MCS 0~7 */
5899 if (TransmitSetting.field.MCS > MCS_7)
5900 TransmitSetting.field.MCS = MCS_7;
5901 }
5902
5903 if (pEntry->HTPhyMode.field.MODE >= TransmitSetting.field.MODE) {
5904 pEntry->HTPhyMode.word = TransmitSetting.word;
5905 DBGPRINT(RT_DEBUG_TRACE,
5906 ("RTMPUpdateLegacyTxSetting : wcid-%d, MODE=%s, MCS=%d \n",
5907 pEntry->Aid, GetPhyMode(pEntry->HTPhyMode.field.MODE),
5908 pEntry->HTPhyMode.field.MCS));
5909 }
5910 }
5911
5912 /*
5913 ==========================================================================
5914 Description:
5915 dynamic tune BBP R66 to find a balance between sensibility and
5916 noise isolation
5917
5918 IRQL = DISPATCH_LEVEL
5919
5920 ==========================================================================
5921 */
AsicStaBbpTuning(struct rt_rtmp_adapter * pAd)5922 void AsicStaBbpTuning(struct rt_rtmp_adapter *pAd)
5923 {
5924 u8 OrigR66Value = 0, R66; /*, R66UpperBound = 0x30, R66LowerBound = 0x30; */
5925 char Rssi;
5926
5927 /* 2860C did not support Fase CCA, therefore can't tune */
5928 if (pAd->MACVersion == 0x28600100)
5929 return;
5930
5931 /* */
5932 /* work as a STA */
5933 /* */
5934 if (pAd->Mlme.CntlMachine.CurrState != CNTL_IDLE) /* no R66 tuning when SCANNING */
5935 return;
5936
5937 if ((pAd->OpMode == OPMODE_STA)
5938 && (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED)
5939 )
5940 && !(OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
5941 #ifdef RTMP_MAC_PCI
5942 && (pAd->bPCIclkOff == FALSE)
5943 #endif /* RTMP_MAC_PCI // */
5944 ) {
5945 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R66, &OrigR66Value);
5946 R66 = OrigR66Value;
5947
5948 if (pAd->Antenna.field.RxPath > 1)
5949 Rssi =
5950 (pAd->StaCfg.RssiSample.AvgRssi0 +
5951 pAd->StaCfg.RssiSample.AvgRssi1) >> 1;
5952 else
5953 Rssi = pAd->StaCfg.RssiSample.AvgRssi0;
5954
5955 if (pAd->LatchRfRegs.Channel <= 14) { /*BG band */
5956 #ifdef RT30xx
5957 /* RT3070 is a no LNA solution, it should have different control regarding to AGC gain control */
5958 /* Otherwise, it will have some throughput side effect when low RSSI */
5959
5960 if (IS_RT3070(pAd) || IS_RT3090(pAd) || IS_RT3572(pAd)
5961 || IS_RT3390(pAd)) {
5962 if (Rssi > RSSI_FOR_MID_LOW_SENSIBILITY) {
5963 R66 =
5964 0x1C + 2 * GET_LNA_GAIN(pAd) + 0x20;
5965 if (OrigR66Value != R66) {
5966 RTMP_BBP_IO_WRITE8_BY_REG_ID
5967 (pAd, BBP_R66, R66);
5968 }
5969 } else {
5970 R66 = 0x1C + 2 * GET_LNA_GAIN(pAd);
5971 if (OrigR66Value != R66) {
5972 RTMP_BBP_IO_WRITE8_BY_REG_ID
5973 (pAd, BBP_R66, R66);
5974 }
5975 }
5976 } else
5977 #endif /* RT30xx // */
5978 {
5979 if (Rssi > RSSI_FOR_MID_LOW_SENSIBILITY) {
5980 R66 = (0x2E + GET_LNA_GAIN(pAd)) + 0x10;
5981 if (OrigR66Value != R66) {
5982 RTMP_BBP_IO_WRITE8_BY_REG_ID
5983 (pAd, BBP_R66, R66);
5984 }
5985 } else {
5986 R66 = 0x2E + GET_LNA_GAIN(pAd);
5987 if (OrigR66Value != R66) {
5988 RTMP_BBP_IO_WRITE8_BY_REG_ID
5989 (pAd, BBP_R66, R66);
5990 }
5991 }
5992 }
5993 } else { /*A band */
5994 if (pAd->CommonCfg.BBPCurrentBW == BW_20) {
5995 if (Rssi > RSSI_FOR_MID_LOW_SENSIBILITY) {
5996 R66 =
5997 0x32 + (GET_LNA_GAIN(pAd) * 5) / 3 +
5998 0x10;
5999 if (OrigR66Value != R66) {
6000 RTMP_BBP_IO_WRITE8_BY_REG_ID
6001 (pAd, BBP_R66, R66);
6002 }
6003 } else {
6004 R66 =
6005 0x32 + (GET_LNA_GAIN(pAd) * 5) / 3;
6006 if (OrigR66Value != R66) {
6007 RTMP_BBP_IO_WRITE8_BY_REG_ID
6008 (pAd, BBP_R66, R66);
6009 }
6010 }
6011 } else {
6012 if (Rssi > RSSI_FOR_MID_LOW_SENSIBILITY) {
6013 R66 =
6014 0x3A + (GET_LNA_GAIN(pAd) * 5) / 3 +
6015 0x10;
6016 if (OrigR66Value != R66) {
6017 RTMP_BBP_IO_WRITE8_BY_REG_ID
6018 (pAd, BBP_R66, R66);
6019 }
6020 } else {
6021 R66 =
6022 0x3A + (GET_LNA_GAIN(pAd) * 5) / 3;
6023 if (OrigR66Value != R66) {
6024 RTMP_BBP_IO_WRITE8_BY_REG_ID
6025 (pAd, BBP_R66, R66);
6026 }
6027 }
6028 }
6029 }
6030
6031 }
6032 }
6033
RTMPSetAGCInitValue(struct rt_rtmp_adapter * pAd,u8 BandWidth)6034 void RTMPSetAGCInitValue(struct rt_rtmp_adapter *pAd, u8 BandWidth)
6035 {
6036 u8 R66 = 0x30;
6037
6038 if (pAd->LatchRfRegs.Channel <= 14) { /* BG band */
6039 #ifdef RT30xx
6040 /* Gary was verified Amazon AP and find that RT307x has BBP_R66 invalid default value */
6041
6042 if (IS_RT3070(pAd) || IS_RT3090(pAd) || IS_RT3572(pAd)
6043 || IS_RT3390(pAd)) {
6044 R66 = 0x1C + 2 * GET_LNA_GAIN(pAd);
6045 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66, R66);
6046 } else
6047 #endif /* RT30xx // */
6048 {
6049 R66 = 0x2E + GET_LNA_GAIN(pAd);
6050 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66, R66);
6051 }
6052 } else { /*A band */
6053 {
6054 if (BandWidth == BW_20) {
6055 R66 =
6056 (u8)(0x32 +
6057 (GET_LNA_GAIN(pAd) * 5) / 3);
6058 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66, R66);
6059 } else {
6060 R66 =
6061 (u8)(0x3A +
6062 (GET_LNA_GAIN(pAd) * 5) / 3);
6063 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66, R66);
6064 }
6065 }
6066 }
6067
6068 }
6069