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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
19 | * File: 80211mgr.c | |
20 | * | |
0d743951 | 21 | * Purpose: Handles the 802.11 management support functions |
92b96797 FB |
22 | * |
23 | * Author: Lyndon Chen | |
24 | * | |
25 | * Date: May 8, 2002 | |
26 | * | |
27 | * Functions: | |
28 | * vMgrEncodeBeacon - Encode the Beacon frame | |
29 | * vMgrDecodeBeacon - Decode the Beacon frame | |
92b96797 FB |
30 | * vMgrEncodeDisassociation - Encode the Disassociation frame |
31 | * vMgrDecodeDisassociation - Decode the Disassociation frame | |
32 | * vMgrEncodeAssocRequest - Encode the Association request frame | |
33 | * vMgrDecodeAssocRequest - Decode the Association request frame | |
34 | * vMgrEncodeAssocResponse - Encode the Association response frame | |
35 | * vMgrDecodeAssocResponse - Decode the Association response frame | |
36 | * vMgrEncodeReAssocRequest - Encode the ReAssociation request frame | |
37 | * vMgrDecodeReAssocRequest - Decode the ReAssociation request frame | |
38 | * vMgrEncodeProbeRequest - Encode the Probe request frame | |
39 | * vMgrDecodeProbeRequest - Decode the Probe request frame | |
40 | * vMgrEncodeProbeResponse - Encode the Probe response frame | |
41 | * vMgrDecodeProbeResponse - Decode the Probe response frame | |
42 | * vMgrEncodeAuthen - Encode the Authentication frame | |
43 | * vMgrDecodeAuthen - Decode the Authentication frame | |
44 | * vMgrEncodeDeauthen - Encode the DeAuthentication frame | |
45 | * vMgrDecodeDeauthen - Decode the DeAuthentication frame | |
46 | * vMgrEncodeReassocResponse - Encode the Reassociation response frame | |
92b96797 FB |
47 | * |
48 | * Revision History: | |
49 | * | |
50 | */ | |
51 | ||
11d404cb | 52 | #include "device.h" |
92b96797 | 53 | #include "tmacro.h" |
92b96797 | 54 | #include "tether.h" |
92b96797 | 55 | #include "80211mgr.h" |
92b96797 | 56 | #include "80211hdr.h" |
92b96797 | 57 | #include "wpa.h" |
92b96797 | 58 | |
2555cd9f TT |
59 | static int msglevel = MSG_LEVEL_INFO; |
60 | /*static int msglevel =MSG_LEVEL_DEBUG;*/ | |
92b96797 | 61 | |
92b96797 FB |
62 | /*+ |
63 | * | |
64 | * Routine Description: | |
65 | * Encode Beacon frame body offset | |
66 | * | |
67 | * Return Value: | |
68 | * None. | |
69 | * | |
70 | -*/ | |
71 | ||
8611a29a | 72 | void |
92b96797 | 73 | vMgrEncodeBeacon( |
592ccfeb | 74 | PWLAN_FR_BEACON pFrame |
92b96797 FB |
75 | ) |
76 | { | |
77 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
78 | ||
7c65fa2a MP |
79 | /* Fixed Fields */ |
80 | pFrame->pqwTimestamp = | |
81 | (u64 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + | |
82 | WLAN_BEACON_OFF_TS); | |
3eaca0d2 | 83 | pFrame->pwBeaconInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 84 | + WLAN_BEACON_OFF_BCN_INT); |
3eaca0d2 | 85 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
86 | + WLAN_BEACON_OFF_CAPINFO); |
87 | ||
88 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID; | |
89 | ||
90 | return; | |
91 | } | |
92 | ||
93 | /*+ | |
94 | * | |
95 | * Routine Description: | |
96 | * Decode Beacon frame body offset | |
97 | * | |
98 | * | |
99 | * Return Value: | |
100 | * None. | |
101 | * | |
102 | -*/ | |
103 | ||
8611a29a | 104 | void |
92b96797 | 105 | vMgrDecodeBeacon( |
592ccfeb | 106 | PWLAN_FR_BEACON pFrame |
92b96797 FB |
107 | ) |
108 | { | |
109 | PWLAN_IE pItem; | |
110 | ||
111 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
112 | ||
7c65fa2a MP |
113 | /* Fixed Fields */ |
114 | pFrame->pqwTimestamp = | |
115 | (u64 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + | |
116 | WLAN_BEACON_OFF_TS); | |
3eaca0d2 | 117 | pFrame->pwBeaconInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 118 | + WLAN_BEACON_OFF_BCN_INT); |
3eaca0d2 | 119 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
120 | + WLAN_BEACON_OFF_CAPINFO); |
121 | ||
2555cd9f | 122 | /* Information elements */ |
b902fbfe | 123 | pItem = (PWLAN_IE)((u8 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))) |
92b96797 | 124 | + WLAN_BEACON_OFF_SSID); |
b902fbfe | 125 | while (((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) { |
92b96797 FB |
126 | |
127 | switch (pItem->byElementID) { | |
2555cd9f TT |
128 | case WLAN_EID_SSID: |
129 | if (pFrame->pSSID == NULL) | |
130 | pFrame->pSSID = (PWLAN_IE_SSID)pItem; | |
131 | break; | |
132 | case WLAN_EID_SUPP_RATES: | |
133 | if (pFrame->pSuppRates == NULL) | |
134 | pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
135 | break; | |
136 | case WLAN_EID_FH_PARMS: | |
137 | /* pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem; */ | |
138 | break; | |
139 | case WLAN_EID_DS_PARMS: | |
140 | if (pFrame->pDSParms == NULL) | |
141 | pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem; | |
142 | break; | |
143 | case WLAN_EID_CF_PARMS: | |
144 | if (pFrame->pCFParms == NULL) | |
145 | pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem; | |
146 | break; | |
147 | case WLAN_EID_IBSS_PARMS: | |
148 | if (pFrame->pIBSSParms == NULL) | |
149 | pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem; | |
150 | break; | |
151 | case WLAN_EID_TIM: | |
152 | if (pFrame->pTIM == NULL) | |
153 | pFrame->pTIM = (PWLAN_IE_TIM)pItem; | |
154 | break; | |
155 | ||
156 | case WLAN_EID_RSN: | |
157 | if (pFrame->pRSN == NULL) | |
158 | pFrame->pRSN = (PWLAN_IE_RSN)pItem; | |
159 | break; | |
160 | case WLAN_EID_RSN_WPA: | |
161 | if (pFrame->pRSNWPA == NULL) { | |
4e9b5e2b | 162 | if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true) |
2555cd9f TT |
163 | pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
164 | } | |
165 | break; | |
166 | ||
167 | case WLAN_EID_ERP: | |
168 | if (pFrame->pERP == NULL) | |
169 | pFrame->pERP = (PWLAN_IE_ERP)pItem; | |
170 | break; | |
171 | case WLAN_EID_EXTSUPP_RATES: | |
172 | if (pFrame->pExtSuppRates == NULL) | |
173 | pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
174 | break; | |
175 | ||
176 | case WLAN_EID_COUNTRY: /* 7 */ | |
177 | if (pFrame->pIE_Country == NULL) | |
178 | pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem; | |
179 | break; | |
180 | ||
181 | case WLAN_EID_PWR_CONSTRAINT: /* 32 */ | |
182 | if (pFrame->pIE_PowerConstraint == NULL) | |
183 | pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem; | |
184 | break; | |
185 | ||
186 | case WLAN_EID_CH_SWITCH: /* 37 */ | |
187 | if (pFrame->pIE_CHSW == NULL) | |
188 | pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem; | |
189 | break; | |
190 | ||
191 | case WLAN_EID_QUIET: /* 40 */ | |
192 | if (pFrame->pIE_Quiet == NULL) | |
193 | pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem; | |
194 | break; | |
195 | ||
196 | case WLAN_EID_IBSS_DFS: | |
197 | if (pFrame->pIE_IBSSDFS == NULL) | |
198 | pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem; | |
199 | break; | |
200 | ||
201 | default: | |
202 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in beacon decode.\n", pItem->byElementID); | |
92b96797 FB |
203 | break; |
204 | ||
205 | } | |
b902fbfe | 206 | pItem = (PWLAN_IE)(((u8 *)pItem) + 2 + pItem->len); |
92b96797 | 207 | } |
92b96797 FB |
208 | } |
209 | ||
92b96797 FB |
210 | /*+ |
211 | * | |
212 | * Routine Description: | |
213 | * Encode Disassociation | |
214 | * | |
215 | * | |
216 | * Return Value: | |
217 | * None. | |
218 | * | |
219 | -*/ | |
220 | ||
8611a29a | 221 | void |
92b96797 | 222 | vMgrEncodeDisassociation( |
592ccfeb | 223 | PWLAN_FR_DISASSOC pFrame |
92b96797 FB |
224 | ) |
225 | { | |
226 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
227 | ||
2555cd9f | 228 | /* Fixed Fields */ |
3eaca0d2 | 229 | pFrame->pwReason = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
230 | + WLAN_DISASSOC_OFF_REASON); |
231 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON + sizeof(*(pFrame->pwReason)); | |
92b96797 FB |
232 | } |
233 | ||
92b96797 FB |
234 | /*+ |
235 | * | |
236 | * Routine Description: | |
237 | * Decode Disassociation | |
238 | * | |
239 | * | |
240 | * Return Value: | |
241 | * None. | |
242 | * | |
243 | -*/ | |
244 | ||
8611a29a | 245 | void |
92b96797 | 246 | vMgrDecodeDisassociation( |
592ccfeb | 247 | PWLAN_FR_DISASSOC pFrame |
92b96797 FB |
248 | ) |
249 | { | |
250 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
251 | ||
2555cd9f | 252 | /* Fixed Fields */ |
3eaca0d2 | 253 | pFrame->pwReason = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 254 | + WLAN_DISASSOC_OFF_REASON); |
92b96797 FB |
255 | } |
256 | ||
257 | /*+ | |
258 | * | |
259 | * Routine Description: | |
260 | * Encode Association Request | |
261 | * | |
262 | * | |
263 | * Return Value: | |
264 | * None. | |
265 | * | |
266 | -*/ | |
267 | ||
8611a29a | 268 | void |
92b96797 | 269 | vMgrEncodeAssocRequest( |
592ccfeb | 270 | PWLAN_FR_ASSOCREQ pFrame |
92b96797 FB |
271 | ) |
272 | { | |
273 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
2555cd9f | 274 | /* Fixed Fields */ |
3eaca0d2 | 275 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 276 | + WLAN_ASSOCREQ_OFF_CAP_INFO); |
3eaca0d2 | 277 | pFrame->pwListenInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
278 | + WLAN_ASSOCREQ_OFF_LISTEN_INT); |
279 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT + sizeof(*(pFrame->pwListenInterval)); | |
92b96797 FB |
280 | } |
281 | ||
92b96797 FB |
282 | /*+ |
283 | * | |
284 | * Routine Description: (AP) | |
285 | * Decode Association Request | |
286 | * | |
287 | * | |
288 | * Return Value: | |
289 | * None. | |
290 | * | |
291 | -*/ | |
292 | ||
8611a29a | 293 | void |
92b96797 | 294 | vMgrDecodeAssocRequest( |
592ccfeb | 295 | PWLAN_FR_ASSOCREQ pFrame |
92b96797 FB |
296 | ) |
297 | { | |
298 | PWLAN_IE pItem; | |
299 | ||
300 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
2555cd9f | 301 | /* Fixed Fields */ |
3eaca0d2 | 302 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 303 | + WLAN_ASSOCREQ_OFF_CAP_INFO); |
3eaca0d2 | 304 | pFrame->pwListenInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
305 | + WLAN_ASSOCREQ_OFF_LISTEN_INT); |
306 | ||
2555cd9f | 307 | /* Information elements */ |
92b96797 FB |
308 | pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
309 | + WLAN_ASSOCREQ_OFF_SSID); | |
310 | ||
b902fbfe | 311 | while (((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) { |
2555cd9f TT |
312 | switch (pItem->byElementID) { |
313 | case WLAN_EID_SSID: | |
314 | if (pFrame->pSSID == NULL) | |
315 | pFrame->pSSID = (PWLAN_IE_SSID)pItem; | |
316 | break; | |
317 | case WLAN_EID_SUPP_RATES: | |
318 | if (pFrame->pSuppRates == NULL) | |
319 | pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
320 | break; | |
321 | ||
322 | case WLAN_EID_RSN: | |
323 | if (pFrame->pRSN == NULL) | |
324 | pFrame->pRSN = (PWLAN_IE_RSN)pItem; | |
325 | break; | |
326 | case WLAN_EID_RSN_WPA: | |
327 | if (pFrame->pRSNWPA == NULL) { | |
4e9b5e2b | 328 | if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true) |
2555cd9f TT |
329 | pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
330 | } | |
331 | break; | |
332 | case WLAN_EID_EXTSUPP_RATES: | |
333 | if (pFrame->pExtSuppRates == NULL) | |
334 | pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
335 | break; | |
336 | ||
337 | default: | |
338 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in assocreq decode.\n", | |
339 | pItem->byElementID); | |
340 | break; | |
92b96797 | 341 | } |
b902fbfe | 342 | pItem = (PWLAN_IE)(((u8 *)pItem) + 2 + pItem->len); |
92b96797 | 343 | } |
92b96797 FB |
344 | } |
345 | ||
346 | /*+ | |
347 | * | |
348 | * Routine Description: (AP) | |
349 | * Encode Association Response | |
350 | * | |
351 | * | |
352 | * Return Value: | |
353 | * None. | |
354 | * | |
355 | -*/ | |
356 | ||
8611a29a | 357 | void |
92b96797 | 358 | vMgrEncodeAssocResponse( |
592ccfeb | 359 | PWLAN_FR_ASSOCRESP pFrame |
92b96797 FB |
360 | ) |
361 | { | |
362 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
363 | ||
2555cd9f | 364 | /* Fixed Fields */ |
3eaca0d2 | 365 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 366 | + WLAN_ASSOCRESP_OFF_CAP_INFO); |
3eaca0d2 | 367 | pFrame->pwStatus = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 368 | + WLAN_ASSOCRESP_OFF_STATUS); |
3eaca0d2 | 369 | pFrame->pwAid = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
370 | + WLAN_ASSOCRESP_OFF_AID); |
371 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCRESP_OFF_AID | |
372 | + sizeof(*(pFrame->pwAid)); | |
92b96797 FB |
373 | } |
374 | ||
92b96797 FB |
375 | /*+ |
376 | * | |
377 | * Routine Description: | |
378 | * Decode Association Response | |
379 | * | |
380 | * | |
381 | * Return Value: | |
382 | * None. | |
383 | * | |
384 | -*/ | |
385 | ||
8611a29a | 386 | void |
92b96797 | 387 | vMgrDecodeAssocResponse( |
592ccfeb | 388 | PWLAN_FR_ASSOCRESP pFrame |
92b96797 FB |
389 | ) |
390 | { | |
391 | PWLAN_IE pItem; | |
392 | ||
393 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
394 | ||
2555cd9f | 395 | /* Fixed Fields */ |
3eaca0d2 | 396 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 397 | + WLAN_ASSOCRESP_OFF_CAP_INFO); |
3eaca0d2 | 398 | pFrame->pwStatus = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 399 | + WLAN_ASSOCRESP_OFF_STATUS); |
3eaca0d2 | 400 | pFrame->pwAid = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
401 | + WLAN_ASSOCRESP_OFF_AID); |
402 | ||
2555cd9f | 403 | /* Information elements */ |
92b96797 FB |
404 | pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
405 | + WLAN_ASSOCRESP_OFF_SUPP_RATES); | |
406 | ||
407 | pItem = (PWLAN_IE)(pFrame->pSuppRates); | |
b902fbfe | 408 | pItem = (PWLAN_IE)(((u8 *)pItem) + 2 + pItem->len); |
92b96797 | 409 | |
b902fbfe | 410 | if ((((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) { |
92b96797 FB |
411 | pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
412 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pFrame->pExtSuppRates=[%p].\n", pItem); | |
63182376 | 413 | } else |
92b96797 | 414 | pFrame->pExtSuppRates = NULL; |
92b96797 FB |
415 | } |
416 | ||
92b96797 FB |
417 | /*+ |
418 | * | |
419 | * Routine Description: | |
420 | * Encode Reassociation Request | |
421 | * | |
422 | * | |
423 | * Return Value: | |
424 | * None. | |
425 | * | |
426 | -*/ | |
427 | ||
8611a29a | 428 | void |
92b96797 | 429 | vMgrEncodeReassocRequest( |
592ccfeb | 430 | PWLAN_FR_REASSOCREQ pFrame |
92b96797 FB |
431 | ) |
432 | { | |
433 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
434 | ||
2555cd9f | 435 | /* Fixed Fields */ |
3eaca0d2 | 436 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 437 | + WLAN_REASSOCREQ_OFF_CAP_INFO); |
3eaca0d2 | 438 | pFrame->pwListenInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
439 | + WLAN_REASSOCREQ_OFF_LISTEN_INT); |
440 | pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) | |
441 | + WLAN_REASSOCREQ_OFF_CURR_AP); | |
442 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCREQ_OFF_CURR_AP + sizeof(*(pFrame->pAddrCurrAP)); | |
92b96797 FB |
443 | } |
444 | ||
92b96797 FB |
445 | /*+ |
446 | * | |
447 | * Routine Description: (AP) | |
448 | * Decode Reassociation Request | |
449 | * | |
450 | * | |
451 | * Return Value: | |
452 | * None. | |
453 | * | |
454 | -*/ | |
455 | ||
8611a29a | 456 | void |
92b96797 | 457 | vMgrDecodeReassocRequest( |
592ccfeb | 458 | PWLAN_FR_REASSOCREQ pFrame |
92b96797 FB |
459 | ) |
460 | { | |
461 | PWLAN_IE pItem; | |
462 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
463 | ||
2555cd9f | 464 | /* Fixed Fields */ |
3eaca0d2 | 465 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 466 | + WLAN_REASSOCREQ_OFF_CAP_INFO); |
3eaca0d2 | 467 | pFrame->pwListenInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
468 | + WLAN_REASSOCREQ_OFF_LISTEN_INT); |
469 | pFrame->pAddrCurrAP = (PIEEE_ADDR)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) | |
470 | + WLAN_REASSOCREQ_OFF_CURR_AP); | |
471 | ||
2555cd9f | 472 | /* Information elements */ |
92b96797 FB |
473 | pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
474 | + WLAN_REASSOCREQ_OFF_SSID); | |
475 | ||
b902fbfe | 476 | while (((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) { |
92b96797 | 477 | |
2555cd9f TT |
478 | switch (pItem->byElementID) { |
479 | case WLAN_EID_SSID: | |
480 | if (pFrame->pSSID == NULL) | |
481 | pFrame->pSSID = (PWLAN_IE_SSID)pItem; | |
482 | break; | |
483 | case WLAN_EID_SUPP_RATES: | |
484 | if (pFrame->pSuppRates == NULL) | |
485 | pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
486 | break; | |
487 | ||
488 | case WLAN_EID_RSN: | |
489 | if (pFrame->pRSN == NULL) | |
490 | pFrame->pRSN = (PWLAN_IE_RSN)pItem; | |
491 | break; | |
492 | case WLAN_EID_RSN_WPA: | |
63182376 | 493 | if (pFrame->pRSNWPA == NULL) |
4e9b5e2b | 494 | if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true) |
2555cd9f | 495 | pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
2555cd9f TT |
496 | break; |
497 | ||
498 | case WLAN_EID_EXTSUPP_RATES: | |
499 | if (pFrame->pExtSuppRates == NULL) | |
500 | pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
501 | break; | |
502 | default: | |
503 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Unrecognized EID=%dd in reassocreq decode.\n", | |
504 | pItem->byElementID); | |
505 | break; | |
92b96797 | 506 | } |
b902fbfe | 507 | pItem = (PWLAN_IE)(((u8 *)pItem) + 2 + pItem->len); |
92b96797 | 508 | } |
92b96797 FB |
509 | } |
510 | ||
92b96797 FB |
511 | /*+ |
512 | * | |
513 | * Routine Description: | |
514 | * Encode Probe Request | |
515 | * | |
516 | * | |
517 | * Return Value: | |
518 | * None. | |
519 | * | |
520 | -*/ | |
521 | ||
8611a29a | 522 | void |
92b96797 | 523 | vMgrEncodeProbeRequest( |
592ccfeb | 524 | PWLAN_FR_PROBEREQ pFrame |
92b96797 FB |
525 | ) |
526 | { | |
527 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
528 | pFrame->len = WLAN_HDR_ADDR3_LEN; | |
92b96797 FB |
529 | } |
530 | ||
531 | /*+ | |
532 | * | |
533 | * Routine Description: | |
534 | * Decode Probe Request | |
535 | * | |
536 | * | |
537 | * Return Value: | |
538 | * None. | |
539 | * | |
540 | -*/ | |
541 | ||
8611a29a | 542 | void |
92b96797 | 543 | vMgrDecodeProbeRequest( |
592ccfeb | 544 | PWLAN_FR_PROBEREQ pFrame |
92b96797 FB |
545 | ) |
546 | { | |
547 | PWLAN_IE pItem; | |
548 | ||
549 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
550 | ||
2555cd9f | 551 | /* Information elements */ |
92b96797 FB |
552 | pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))); |
553 | ||
b902fbfe | 554 | while (((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) { |
92b96797 FB |
555 | |
556 | switch (pItem->byElementID) { | |
2555cd9f TT |
557 | case WLAN_EID_SSID: |
558 | if (pFrame->pSSID == NULL) | |
559 | pFrame->pSSID = (PWLAN_IE_SSID)pItem; | |
560 | break; | |
92b96797 | 561 | |
2555cd9f TT |
562 | case WLAN_EID_SUPP_RATES: |
563 | if (pFrame->pSuppRates == NULL) | |
564 | pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
565 | break; | |
92b96797 | 566 | |
2555cd9f TT |
567 | case WLAN_EID_EXTSUPP_RATES: |
568 | if (pFrame->pExtSuppRates == NULL) | |
569 | pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
570 | break; | |
92b96797 | 571 | |
2555cd9f TT |
572 | default: |
573 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in probereq\n", pItem->byElementID); | |
574 | break; | |
92b96797 FB |
575 | } |
576 | ||
b902fbfe | 577 | pItem = (PWLAN_IE)(((u8 *)pItem) + 2 + pItem->len); |
92b96797 | 578 | } |
92b96797 FB |
579 | } |
580 | ||
92b96797 FB |
581 | /*+ |
582 | * | |
583 | * Routine Description: | |
584 | * Encode Probe Response | |
585 | * | |
586 | * | |
587 | * Return Value: | |
588 | * None. | |
589 | * | |
590 | -*/ | |
591 | ||
8611a29a | 592 | void |
92b96797 | 593 | vMgrEncodeProbeResponse( |
592ccfeb | 594 | PWLAN_FR_PROBERESP pFrame |
92b96797 FB |
595 | ) |
596 | { | |
597 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
598 | ||
7c65fa2a MP |
599 | /* Fixed Fields */ |
600 | pFrame->pqwTimestamp = | |
601 | (u64 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + | |
602 | WLAN_PROBERESP_OFF_TS); | |
3eaca0d2 | 603 | pFrame->pwBeaconInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 604 | + WLAN_PROBERESP_OFF_BCN_INT); |
3eaca0d2 | 605 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
606 | + WLAN_PROBERESP_OFF_CAP_INFO); |
607 | ||
608 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_PROBERESP_OFF_CAP_INFO + | |
609 | sizeof(*(pFrame->pwCapInfo)); | |
92b96797 FB |
610 | } |
611 | ||
92b96797 FB |
612 | /*+ |
613 | * | |
614 | * Routine Description: | |
615 | * Decode Probe Response | |
616 | * | |
617 | * | |
618 | * Return Value: | |
619 | * None. | |
620 | * | |
621 | -*/ | |
622 | ||
8611a29a | 623 | void |
92b96797 | 624 | vMgrDecodeProbeResponse( |
592ccfeb | 625 | PWLAN_FR_PROBERESP pFrame |
92b96797 FB |
626 | ) |
627 | { | |
628 | PWLAN_IE pItem; | |
92b96797 | 629 | |
92b96797 FB |
630 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; |
631 | ||
7c65fa2a MP |
632 | /* Fixed Fields */ |
633 | pFrame->pqwTimestamp = | |
634 | (u64 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) + | |
635 | WLAN_PROBERESP_OFF_TS); | |
3eaca0d2 | 636 | pFrame->pwBeaconInterval = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 637 | + WLAN_PROBERESP_OFF_BCN_INT); |
3eaca0d2 | 638 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
639 | + WLAN_PROBERESP_OFF_CAP_INFO); |
640 | ||
2555cd9f | 641 | /* Information elements */ |
92b96797 FB |
642 | pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
643 | + WLAN_PROBERESP_OFF_SSID); | |
644 | ||
b902fbfe | 645 | while (((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) { |
92b96797 | 646 | switch (pItem->byElementID) { |
2555cd9f TT |
647 | case WLAN_EID_SSID: |
648 | if (pFrame->pSSID == NULL) | |
92b96797 | 649 | pFrame->pSSID = (PWLAN_IE_SSID)pItem; |
2555cd9f TT |
650 | break; |
651 | case WLAN_EID_SUPP_RATES: | |
652 | if (pFrame->pSuppRates == NULL) | |
92b96797 | 653 | pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem; |
2555cd9f TT |
654 | break; |
655 | case WLAN_EID_FH_PARMS: | |
656 | break; | |
657 | case WLAN_EID_DS_PARMS: | |
658 | if (pFrame->pDSParms == NULL) | |
659 | pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem; | |
660 | break; | |
661 | case WLAN_EID_CF_PARMS: | |
662 | if (pFrame->pCFParms == NULL) | |
663 | pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem; | |
664 | break; | |
665 | case WLAN_EID_IBSS_PARMS: | |
666 | if (pFrame->pIBSSParms == NULL) | |
667 | pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem; | |
668 | break; | |
669 | ||
670 | case WLAN_EID_RSN: | |
671 | if (pFrame->pRSN == NULL) | |
672 | pFrame->pRSN = (PWLAN_IE_RSN)pItem; | |
673 | break; | |
674 | case WLAN_EID_RSN_WPA: | |
675 | if (pFrame->pRSNWPA == NULL) { | |
4e9b5e2b | 676 | if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true) |
2555cd9f TT |
677 | pFrame->pRSNWPA = (PWLAN_IE_RSN_EXT)pItem; |
678 | } | |
679 | break; | |
680 | case WLAN_EID_ERP: | |
681 | if (pFrame->pERP == NULL) | |
682 | pFrame->pERP = (PWLAN_IE_ERP)pItem; | |
683 | break; | |
684 | case WLAN_EID_EXTSUPP_RATES: | |
685 | if (pFrame->pExtSuppRates == NULL) | |
686 | pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem; | |
687 | break; | |
688 | ||
689 | case WLAN_EID_COUNTRY: /* 7 */ | |
690 | if (pFrame->pIE_Country == NULL) | |
691 | pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem; | |
692 | break; | |
693 | ||
694 | case WLAN_EID_PWR_CONSTRAINT: /* 32 */ | |
695 | if (pFrame->pIE_PowerConstraint == NULL) | |
696 | pFrame->pIE_PowerConstraint = (PWLAN_IE_PW_CONST)pItem; | |
697 | break; | |
698 | ||
699 | case WLAN_EID_CH_SWITCH: /* 37 */ | |
700 | if (pFrame->pIE_CHSW == NULL) | |
701 | pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem; | |
702 | break; | |
703 | ||
704 | case WLAN_EID_QUIET: /* 40 */ | |
705 | if (pFrame->pIE_Quiet == NULL) | |
706 | pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem; | |
707 | break; | |
708 | ||
709 | case WLAN_EID_IBSS_DFS: | |
710 | if (pFrame->pIE_IBSSDFS == NULL) | |
711 | pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem; | |
712 | break; | |
713 | ||
714 | default: | |
715 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Bad EID=%dd in proberesp\n", pItem->byElementID); | |
716 | break; | |
92b96797 FB |
717 | } |
718 | ||
b902fbfe | 719 | pItem = (PWLAN_IE)(((u8 *)pItem) + 2 + pItem->len); |
92b96797 | 720 | } |
92b96797 FB |
721 | } |
722 | ||
92b96797 FB |
723 | /*+ |
724 | * | |
725 | * Routine Description: | |
726 | * Encode Authentication frame | |
727 | * | |
728 | * | |
729 | * Return Value: | |
730 | * None. | |
731 | * | |
732 | -*/ | |
733 | ||
8611a29a | 734 | void |
92b96797 | 735 | vMgrEncodeAuthen( |
592ccfeb | 736 | PWLAN_FR_AUTHEN pFrame |
92b96797 FB |
737 | ) |
738 | { | |
739 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
740 | ||
2555cd9f | 741 | /* Fixed Fields */ |
3eaca0d2 | 742 | pFrame->pwAuthAlgorithm = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 743 | + WLAN_AUTHEN_OFF_AUTH_ALG); |
3eaca0d2 | 744 | pFrame->pwAuthSequence = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 745 | + WLAN_AUTHEN_OFF_AUTH_SEQ); |
3eaca0d2 | 746 | pFrame->pwStatus = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
747 | + WLAN_AUTHEN_OFF_STATUS); |
748 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_AUTHEN_OFF_STATUS + sizeof(*(pFrame->pwStatus)); | |
92b96797 FB |
749 | } |
750 | ||
92b96797 FB |
751 | /*+ |
752 | * | |
753 | * Routine Description: | |
754 | * Decode Authentication | |
755 | * | |
756 | * | |
757 | * Return Value: | |
758 | * None. | |
759 | * | |
760 | -*/ | |
761 | ||
8611a29a | 762 | void |
92b96797 | 763 | vMgrDecodeAuthen( |
592ccfeb | 764 | PWLAN_FR_AUTHEN pFrame |
92b96797 FB |
765 | ) |
766 | { | |
767 | PWLAN_IE pItem; | |
768 | ||
769 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
770 | ||
2555cd9f | 771 | /* Fixed Fields */ |
3eaca0d2 | 772 | pFrame->pwAuthAlgorithm = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 773 | + WLAN_AUTHEN_OFF_AUTH_ALG); |
3eaca0d2 | 774 | pFrame->pwAuthSequence = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 775 | + WLAN_AUTHEN_OFF_AUTH_SEQ); |
3eaca0d2 | 776 | pFrame->pwStatus = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
777 | + WLAN_AUTHEN_OFF_STATUS); |
778 | ||
2555cd9f | 779 | /* Information elements */ |
92b96797 FB |
780 | pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
781 | + WLAN_AUTHEN_OFF_CHALLENGE); | |
782 | ||
b902fbfe | 783 | if ((((u8 *)pItem) < (pFrame->pBuf + pFrame->len)) && (pItem->byElementID == WLAN_EID_CHALLENGE)) |
92b96797 | 784 | pFrame->pChallenge = (PWLAN_IE_CHALLENGE)pItem; |
92b96797 FB |
785 | } |
786 | ||
92b96797 FB |
787 | /*+ |
788 | * | |
789 | * Routine Description: | |
790 | * Encode Authentication | |
791 | * | |
792 | * | |
793 | * Return Value: | |
794 | * None. | |
795 | * | |
796 | -*/ | |
797 | ||
8611a29a | 798 | void |
92b96797 | 799 | vMgrEncodeDeauthen( |
592ccfeb | 800 | PWLAN_FR_DEAUTHEN pFrame |
92b96797 FB |
801 | ) |
802 | { | |
803 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
804 | ||
2555cd9f | 805 | /* Fixed Fields */ |
3eaca0d2 | 806 | pFrame->pwReason = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
807 | + WLAN_DEAUTHEN_OFF_REASON); |
808 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DEAUTHEN_OFF_REASON + sizeof(*(pFrame->pwReason)); | |
92b96797 FB |
809 | } |
810 | ||
92b96797 FB |
811 | /*+ |
812 | * | |
813 | * Routine Description: | |
814 | * Decode Deauthentication | |
815 | * | |
816 | * | |
817 | * Return Value: | |
818 | * None. | |
819 | * | |
820 | -*/ | |
821 | ||
8611a29a | 822 | void |
92b96797 | 823 | vMgrDecodeDeauthen( |
592ccfeb | 824 | PWLAN_FR_DEAUTHEN pFrame |
92b96797 FB |
825 | ) |
826 | { | |
827 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
828 | ||
2555cd9f | 829 | /* Fixed Fields */ |
3eaca0d2 | 830 | pFrame->pwReason = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 831 | + WLAN_DEAUTHEN_OFF_REASON); |
92b96797 FB |
832 | } |
833 | ||
92b96797 FB |
834 | /*+ |
835 | * | |
836 | * Routine Description: (AP) | |
837 | * Encode Reassociation Response | |
838 | * | |
839 | * | |
840 | * Return Value: | |
841 | * None. | |
842 | * | |
843 | -*/ | |
844 | ||
8611a29a | 845 | void |
92b96797 | 846 | vMgrEncodeReassocResponse( |
592ccfeb | 847 | PWLAN_FR_REASSOCRESP pFrame |
92b96797 FB |
848 | ) |
849 | { | |
850 | pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf; | |
851 | ||
2555cd9f | 852 | /* Fixed Fields */ |
3eaca0d2 | 853 | pFrame->pwCapInfo = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 854 | + WLAN_REASSOCRESP_OFF_CAP_INFO); |
3eaca0d2 | 855 | pFrame->pwStatus = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 | 856 | + WLAN_REASSOCRESP_OFF_STATUS); |
3eaca0d2 | 857 | pFrame->pwAid = (u16 *)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) |
92b96797 FB |
858 | + WLAN_REASSOCRESP_OFF_AID); |
859 | ||
860 | pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCRESP_OFF_AID + sizeof(*(pFrame->pwAid)); | |
92b96797 | 861 | } |