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[hh.org.git] / drivers / net / wireless / prism54 / oid_mgt.c
blobfbc52b6a30247f100d500daed5add811248de452
1 /*
2 * Copyright (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
18
19 #include "prismcompat.h"
20 #include "islpci_dev.h"
21 #include "islpci_mgt.h"
22 #include "isl_oid.h"
23 #include "oid_mgt.h"
24 #include "isl_ioctl.h"
25
26 /* to convert between channel and freq */
27 static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432,
28 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484
29 };
30
31 int
32 channel_of_freq(int f)
33 {
34 int c = 0;
35
36 if ((f >= 2412) && (f <= 2484)) {
37 while ((c < 14) && (f != frequency_list_bg[c]))
38 c++;
39 return (c >= 14) ? 0 : ++c;
40 } else if ((f >= (int) 5000) && (f <= (int) 6000)) {
41 return ( (f - 5000) / 5 );
42 } else
43 return 0;
44 }
45
46 #define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t}
47 #define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED)
48 #define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32)
49 #define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32)
50 #define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME)
51 #define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX)
52
53 #define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0)
54
55 struct oid_t isl_oid[] = {
56 OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR),
57 OID_U32(GEN_OID_LINKSTATE, 0x00000001),
58 OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002),
59 OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003),
60 OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004),
61 OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005),
62
63 /* 802.11 */
64 OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000),
65 OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW),
66 OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid,
67 OID_TYPE_SSID),
68 OID_U32(DOT11_OID_STATE, 0x10000003),
69 OID_U32(DOT11_OID_AID, 0x10000004),
70 OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW),
71 OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid,
72 OID_TYPE_SSID),
73
74 OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000),
75 OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001),
76 OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002),
77 OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003),
78 OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004),
79 OID_U32(DOT11_OID_CFPPERIOD, 0x11000005),
80 OID_U32(DOT11_OID_CFPDURATION, 0x11000006),
81
82 OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000),
83 OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001),
84 OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002),
85 OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003),
86 [DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key),
87 OID_FLAG_CACHED | OID_TYPE_KEY}, /* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */
88 OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008),
89 OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009),
90 OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a),
91
92 OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000),
93 OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001),
94 OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002),
95 OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003),
96
97 OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000),
98 OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001),
99 OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002),
100 OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003),
101 OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004),
102 OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005),
103 OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006),
104 OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007),
105
106 OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000),
107 OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001),
108 OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002),
109 OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003),
110 OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004),
111 OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005),
112 OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006),
113
114 [DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0},
115 OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008),
116
117 OID_U32(DOT11_OID_PSM, 0x14000000),
118 OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001),
119 OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002),
120 OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003),
121
122 OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000),
123 OID_U32(DOT11_OID_CLIENTS, 0x15000001),
124 OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002),
125 [DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0}, /* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */
126
127 OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR),
128 OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR),
129 OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR),
130 OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR),
131 OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR),
132 OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0),
133 OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1),
134 OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2),
135
136 OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000),
137 OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001),
138 OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002),
139 OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003),
140 OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004),
141 OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005),
142 OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006),
143 OID_U32(DOT11_OID_RTSFAILED, 0x16000007),
144 OID_U32(DOT11_OID_ACKFAILED, 0x16000008),
145 OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009),
146 OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A),
147 OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B),
148 OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C),
149
150 OID_U32(DOT11_OID_SLOTTIME, 0x17000000),
151 OID_U32(DOT11_OID_CWMIN, 0x17000001),
152 OID_U32(DOT11_OID_CWMAX, 0x17000002),
153 OID_U32(DOT11_OID_ACKWINDOW, 0x17000003),
154 OID_U32(DOT11_OID_ANTENNARX, 0x17000004),
155 OID_U32(DOT11_OID_ANTENNATX, 0x17000005),
156 OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006),
157 OID_U32_C(DOT11_OID_CHANNEL, 0x17000007),
158 OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008),
159 OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009),
160 OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1],
161 OID_TYPE_RAW),
162 OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B),
163 OID_U32(DOT11_OID_CCAMODE, 0x1700000C),
164 OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D),
165 OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E),
166 OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F),
167 OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010,
168 u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
169 OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011),
170 [DOT11_OID_SUPPORTEDFREQUENCIES] =
171 {0x17000012, 0, sizeof (struct obj_frequencies)
172 + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES},
173
174 OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013),
175 OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1],
176 OID_TYPE_RAW),
177 OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015),
178 OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016),
179 OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017),
180 OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018),
181 OID_U32(DOT11_OID_PROFILES, 0x17000019),
182 OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020,
183 u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
184
185 OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000),
186 OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001),
187 OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002),
188 OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003),
189 OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004),
190 OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005),
191 OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006),
192 OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007),
193 OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008),
194 OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009),
195 OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A),
196 OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B),
197 OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C),
198
199 OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000),
200
201 OID_U32(DOT11_OID_STATIMEOUT, 0x19000000),
202 OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001),
203 OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002),
204 [DOT11_OID_ATTACHMENT] = {0x19000003, 0,
205 sizeof(struct obj_attachment), OID_TYPE_ATTACH},
206 OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer,
207 OID_TYPE_BUFFER),
208
209 OID_U32(DOT11_OID_BSSS, 0x1C000000),
210 [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss),
211 OID_TYPE_BSS}, /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */
212 OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS),
213 [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct
214 obj_bsslist) +
215 sizeof (struct obj_bss[IWMAX_BSS]),
216 OID_TYPE_BSSLIST},
217
218 OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000),
219 OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001),
220 OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002),
221 OID_U32_C(OID_INL_MODE, 0xFF020003),
222 OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004),
223 OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW),
224 OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006),
225 OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007),
226 OID_U32_C(OID_INL_CONFIG, 0xFF020008),
227 OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C),
228 OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D),
229 OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F),
230
231 };
232
233 int
234 mgt_init(islpci_private *priv)
235 {
236 int i;
237
238 priv->mib = kmalloc(OID_NUM_LAST * sizeof (void *), GFP_KERNEL);
239 if (!priv->mib)
240 return -ENOMEM;
241
242 memset(priv->mib, 0, OID_NUM_LAST * sizeof (void *));
243
244 /* Alloc the cache */
245 for (i = 0; i < OID_NUM_LAST; i++) {
246 if (isl_oid[i].flags & OID_FLAG_CACHED) {
247 priv->mib[i] = kmalloc(isl_oid[i].size *
248 (isl_oid[i].range + 1),
249 GFP_KERNEL);
250 if (!priv->mib[i])
251 return -ENOMEM;
252 memset(priv->mib[i], 0,
253 isl_oid[i].size * (isl_oid[i].range + 1));
254 } else
255 priv->mib[i] = NULL;
256 }
257
258 init_rwsem(&priv->mib_sem);
259 prism54_mib_init(priv);
260
261 return 0;
262 }
263
264 void
265 mgt_clean(islpci_private *priv)
266 {
267 int i;
268
269 if (!priv->mib)
270 return;
271 for (i = 0; i < OID_NUM_LAST; i++) {
272 kfree(priv->mib[i]);
273 priv->mib[i] = NULL;
274 }
275 kfree(priv->mib);
276 priv->mib = NULL;
277 }
278
279 void
280 mgt_le_to_cpu(int type, void *data)
281 {
282 switch (type) {
283 case OID_TYPE_U32:
284 *(u32 *) data = le32_to_cpu(*(u32 *) data);
285 break;
286 case OID_TYPE_BUFFER:{
287 struct obj_buffer *buff = data;
288 buff->size = le32_to_cpu(buff->size);
289 buff->addr = le32_to_cpu(buff->addr);
290 break;
291 }
292 case OID_TYPE_BSS:{
293 struct obj_bss *bss = data;
294 bss->age = le16_to_cpu(bss->age);
295 bss->channel = le16_to_cpu(bss->channel);
296 bss->capinfo = le16_to_cpu(bss->capinfo);
297 bss->rates = le16_to_cpu(bss->rates);
298 bss->basic_rates = le16_to_cpu(bss->basic_rates);
299 break;
300 }
301 case OID_TYPE_BSSLIST:{
302 struct obj_bsslist *list = data;
303 int i;
304 list->nr = le32_to_cpu(list->nr);
305 for (i = 0; i < list->nr; i++)
306 mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]);
307 break;
308 }
309 case OID_TYPE_FREQUENCIES:{
310 struct obj_frequencies *freq = data;
311 int i;
312 freq->nr = le16_to_cpu(freq->nr);
313 for (i = 0; i < freq->nr; i++)
314 freq->mhz[i] = le16_to_cpu(freq->mhz[i]);
315 break;
316 }
317 case OID_TYPE_MLME:{
318 struct obj_mlme *mlme = data;
319 mlme->id = le16_to_cpu(mlme->id);
320 mlme->state = le16_to_cpu(mlme->state);
321 mlme->code = le16_to_cpu(mlme->code);
322 break;
323 }
324 case OID_TYPE_MLMEEX:{
325 struct obj_mlmeex *mlme = data;
326 mlme->id = le16_to_cpu(mlme->id);
327 mlme->state = le16_to_cpu(mlme->state);
328 mlme->code = le16_to_cpu(mlme->code);
329 mlme->size = le16_to_cpu(mlme->size);
330 break;
331 }
332 case OID_TYPE_ATTACH:{
333 struct obj_attachment *attach = data;
334 attach->id = le16_to_cpu(attach->id);
335 attach->size = le16_to_cpu(attach->size);
336 break;
337 }
338 case OID_TYPE_SSID:
339 case OID_TYPE_KEY:
340 case OID_TYPE_ADDR:
341 case OID_TYPE_RAW:
342 break;
343 default:
344 BUG();
345 }
346 }
347
348 static void
349 mgt_cpu_to_le(int type, void *data)
350 {
351 switch (type) {
352 case OID_TYPE_U32:
353 *(u32 *) data = cpu_to_le32(*(u32 *) data);
354 break;
355 case OID_TYPE_BUFFER:{
356 struct obj_buffer *buff = data;
357 buff->size = cpu_to_le32(buff->size);
358 buff->addr = cpu_to_le32(buff->addr);
359 break;
360 }
361 case OID_TYPE_BSS:{
362 struct obj_bss *bss = data;
363 bss->age = cpu_to_le16(bss->age);
364 bss->channel = cpu_to_le16(bss->channel);
365 bss->capinfo = cpu_to_le16(bss->capinfo);
366 bss->rates = cpu_to_le16(bss->rates);
367 bss->basic_rates = cpu_to_le16(bss->basic_rates);
368 break;
369 }
370 case OID_TYPE_BSSLIST:{
371 struct obj_bsslist *list = data;
372 int i;
373 list->nr = cpu_to_le32(list->nr);
374 for (i = 0; i < list->nr; i++)
375 mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]);
376 break;
377 }
378 case OID_TYPE_FREQUENCIES:{
379 struct obj_frequencies *freq = data;
380 int i;
381 freq->nr = cpu_to_le16(freq->nr);
382 for (i = 0; i < freq->nr; i++)
383 freq->mhz[i] = cpu_to_le16(freq->mhz[i]);
384 break;
385 }
386 case OID_TYPE_MLME:{
387 struct obj_mlme *mlme = data;
388 mlme->id = cpu_to_le16(mlme->id);
389 mlme->state = cpu_to_le16(mlme->state);
390 mlme->code = cpu_to_le16(mlme->code);
391 break;
392 }
393 case OID_TYPE_MLMEEX:{
394 struct obj_mlmeex *mlme = data;
395 mlme->id = cpu_to_le16(mlme->id);
396 mlme->state = cpu_to_le16(mlme->state);
397 mlme->code = cpu_to_le16(mlme->code);
398 mlme->size = cpu_to_le16(mlme->size);
399 break;
400 }
401 case OID_TYPE_ATTACH:{
402 struct obj_attachment *attach = data;
403 attach->id = cpu_to_le16(attach->id);
404 attach->size = cpu_to_le16(attach->size);
405 break;
406 }
407 case OID_TYPE_SSID:
408 case OID_TYPE_KEY:
409 case OID_TYPE_ADDR:
410 case OID_TYPE_RAW:
411 break;
412 default:
413 BUG();
414 }
415 }
416
417 /* Note : data is modified during this function */
418
419 int
420 mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data)
421 {
422 int ret = 0;
423 struct islpci_mgmtframe *response = NULL;
424 int response_op = PIMFOR_OP_ERROR;
425 int dlen;
426 void *cache, *_data = data;
427 u32 oid;
428
429 BUG_ON(OID_NUM_LAST <= n);
430 BUG_ON(extra > isl_oid[n].range);
431
432 if (!priv->mib)
433 /* memory has been freed */
434 return -1;
435
436 dlen = isl_oid[n].size;
437 cache = priv->mib[n];
438 cache += (cache ? extra * dlen : 0);
439 oid = isl_oid[n].oid + extra;
440
441 if (_data == NULL)
442 /* we are requested to re-set a cached value */
443 _data = cache;
444 else
445 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data);
446 /* If we are going to write to the cache, we don't want anyone to read
447 * it -> acquire write lock.
448 * Else we could acquire a read lock to be sure we don't bother the
449 * commit process (which takes a write lock). But I'm not sure if it's
450 * needed.
451 */
452 if (cache)
453 down_write(&priv->mib_sem);
454
455 if (islpci_get_state(priv) >= PRV_STATE_READY) {
456 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
457 _data, dlen, &response);
458 if (!ret) {
459 response_op = response->header->operation;
460 islpci_mgt_release(response);
461 }
462 if (ret || response_op == PIMFOR_OP_ERROR)
463 ret = -EIO;
464 } else if (!cache)
465 ret = -EIO;
466
467 if (cache) {
468 if (!ret && data)
469 memcpy(cache, _data, dlen);
470 up_write(&priv->mib_sem);
471 }
472
473 /* re-set given data to what it was */
474 if (data)
475 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
476
477 return ret;
478 }
479
480 /* None of these are cached */
481 int
482 mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len)
483 {
484 int ret = 0;
485 struct islpci_mgmtframe *response;
486 int response_op = PIMFOR_OP_ERROR;
487 int dlen;
488 u32 oid;
489
490 BUG_ON(OID_NUM_LAST <= n);
491
492 dlen = isl_oid[n].size;
493 oid = isl_oid[n].oid;
494
495 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data);
496
497 if (islpci_get_state(priv) >= PRV_STATE_READY) {
498 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
499 data, dlen + extra_len, &response);
500 if (!ret) {
501 response_op = response->header->operation;
502 islpci_mgt_release(response);
503 }
504 if (ret || response_op == PIMFOR_OP_ERROR)
505 ret = -EIO;
506 } else
507 ret = -EIO;
508
509 /* re-set given data to what it was */
510 if (data)
511 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
512
513 return ret;
514 }
515
516 int
517 mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data,
518 union oid_res_t *res)
519 {
520
521 int ret = -EIO;
522 int reslen = 0;
523 struct islpci_mgmtframe *response = NULL;
524
525 int dlen;
526 void *cache, *_res = NULL;
527 u32 oid;
528
529 BUG_ON(OID_NUM_LAST <= n);
530 BUG_ON(extra > isl_oid[n].range);
531
532 res->ptr = NULL;
533
534 if (!priv->mib)
535 /* memory has been freed */
536 return -1;
537
538 dlen = isl_oid[n].size;
539 cache = priv->mib[n];
540 cache += cache ? extra * dlen : 0;
541 oid = isl_oid[n].oid + extra;
542 reslen = dlen;
543
544 if (cache)
545 down_read(&priv->mib_sem);
546
547 if (islpci_get_state(priv) >= PRV_STATE_READY) {
548 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
549 oid, data, dlen, &response);
550 if (ret || !response ||
551 response->header->operation == PIMFOR_OP_ERROR) {
552 if (response)
553 islpci_mgt_release(response);
554 ret = -EIO;
555 }
556 if (!ret) {
557 _res = response->data;
558 reslen = response->header->length;
559 }
560 } else if (cache) {
561 _res = cache;
562 ret = 0;
563 }
564 if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32)
565 res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res);
566 else {
567 res->ptr = kmalloc(reslen, GFP_KERNEL);
568 BUG_ON(res->ptr == NULL);
569 if (ret)
570 memset(res->ptr, 0, reslen);
571 else {
572 memcpy(res->ptr, _res, reslen);
573 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE,
574 res->ptr);
575 }
576 }
577 if (cache)
578 up_read(&priv->mib_sem);
579
580 if (response && !ret)
581 islpci_mgt_release(response);
582
583 if (reslen > isl_oid[n].size)
584 printk(KERN_DEBUG
585 "mgt_get_request(0x%x): received data length was bigger "
586 "than expected (%d > %d). Memory is probably corrupted...",
587 oid, reslen, isl_oid[n].size);
588
589 return ret;
590 }
591
592 /* lock outside */
593 int
594 mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n)
595 {
596 int i, ret = 0;
597 struct islpci_mgmtframe *response;
598
599 for (i = 0; i < n; i++) {
600 struct oid_t *t = &(isl_oid[l[i]]);
601 void *data = priv->mib[l[i]];
602 int j = 0;
603 u32 oid = t->oid;
604 BUG_ON(data == NULL);
605 while (j <= t->range) {
606 int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
607 oid, data, t->size,
608 &response);
609 if (response) {
610 r |= (response->header->operation == PIMFOR_OP_ERROR);
611 islpci_mgt_release(response);
612 }
613 if (r)
614 printk(KERN_ERR "%s: mgt_commit_list: failure. "
615 "oid=%08x err=%d\n",
616 priv->ndev->name, oid, r);
617 ret |= r;
618 j++;
619 oid++;
620 data += t->size;
621 }
622 }
623 return ret;
624 }
625
626 /* Lock outside */
627
628 void
629 mgt_set(islpci_private *priv, enum oid_num_t n, void *data)
630 {
631 BUG_ON(OID_NUM_LAST <= n);
632 BUG_ON(priv->mib[n] == NULL);
633
634 memcpy(priv->mib[n], data, isl_oid[n].size);
635 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]);
636 }
637
638 void
639 mgt_get(islpci_private *priv, enum oid_num_t n, void *res)
640 {
641 BUG_ON(OID_NUM_LAST <= n);
642 BUG_ON(priv->mib[n] == NULL);
643 BUG_ON(res == NULL);
644
645 memcpy(res, priv->mib[n], isl_oid[n].size);
646 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res);
647 }
648
649 /* Commits the cache. Lock outside. */
650
651 static enum oid_num_t commit_part1[] = {
652 OID_INL_CONFIG,
653 OID_INL_MODE,
654 DOT11_OID_BSSTYPE,
655 DOT11_OID_CHANNEL,
656 DOT11_OID_MLMEAUTOLEVEL
657 };
658
659 static enum oid_num_t commit_part2[] = {
660 DOT11_OID_SSID,
661 DOT11_OID_PSMBUFFER,
662 DOT11_OID_AUTHENABLE,
663 DOT11_OID_PRIVACYINVOKED,
664 DOT11_OID_EXUNENCRYPTED,
665 DOT11_OID_DEFKEYX, /* MULTIPLE */
666 DOT11_OID_DEFKEYID,
667 DOT11_OID_DOT1XENABLE,
668 OID_INL_DOT11D_CONFORMANCE,
669 /* Do not initialize this - fw < 1.0.4.3 rejects it
670 OID_INL_OUTPUTPOWER,
671 */
672 };
673
674 /* update the MAC addr. */
675 static int
676 mgt_update_addr(islpci_private *priv)
677 {
678 struct islpci_mgmtframe *res;
679 int ret;
680
681 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
682 isl_oid[GEN_OID_MACADDRESS].oid, NULL,
683 isl_oid[GEN_OID_MACADDRESS].size, &res);
684
685 if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR))
686 memcpy(priv->ndev->dev_addr, res->data, 6);
687 else
688 ret = -EIO;
689 if (res)
690 islpci_mgt_release(res);
691
692 if (ret)
693 printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name);
694 return ret;
695 }
696
697 #define VEC_SIZE(a) (sizeof(a)/sizeof(a[0]))
698
699 int
700 mgt_commit(islpci_private *priv)
701 {
702 int rvalue;
703 u32 u;
704
705 if (islpci_get_state(priv) < PRV_STATE_INIT)
706 return 0;
707
708 rvalue = mgt_commit_list(priv, commit_part1, VEC_SIZE(commit_part1));
709
710 if (priv->iw_mode != IW_MODE_MONITOR)
711 rvalue |= mgt_commit_list(priv, commit_part2, VEC_SIZE(commit_part2));
712
713 u = OID_INL_MODE;
714 rvalue |= mgt_commit_list(priv, &u, 1);
715 rvalue |= mgt_update_addr(priv);
716
717 if (rvalue) {
718 /* some request have failed. The device might be in an
719 incoherent state. We should reset it ! */
720 printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name);
721 }
722 return rvalue;
723 }
724
725 /* The following OIDs need to be "unlatched":
726 *
727 * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL
728 * FREQUENCY,EXTENDEDRATES.
729 *
730 * The way to do this is to set ESSID. Note though that they may get
731 * unlatch before though by setting another OID. */
732 #if 0
733 void
734 mgt_unlatch_all(islpci_private *priv)
735 {
736 u32 u;
737 int rvalue = 0;
738
739 if (islpci_get_state(priv) < PRV_STATE_INIT)
740 return;
741
742 u = DOT11_OID_SSID;
743 rvalue = mgt_commit_list(priv, &u, 1);
744 /* Necessary if in MANUAL RUN mode? */
745 #if 0
746 u = OID_INL_MODE;
747 rvalue |= mgt_commit_list(priv, &u, 1);
748
749 u = DOT11_OID_MLMEAUTOLEVEL;
750 rvalue |= mgt_commit_list(priv, &u, 1);
751
752 u = OID_INL_MODE;
753 rvalue |= mgt_commit_list(priv, &u, 1);
754 #endif
755
756 if (rvalue)
757 printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name);
758 }
759 #endif
760
761 /* This will tell you if you are allowed to answer a mlme(ex) request .*/
762
763 int
764 mgt_mlme_answer(islpci_private *priv)
765 {
766 u32 mlmeautolevel;
767 /* Acquire a read lock because if we are in a mode change, it's
768 * possible to answer true, while the card is leaving master to managed
769 * mode. Answering to a mlme in this situation could hang the card.
770 */
771 down_read(&priv->mib_sem);
772 mlmeautolevel =
773 le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]);
774 up_read(&priv->mib_sem);
775
776 return ((priv->iw_mode == IW_MODE_MASTER) &&
777 (mlmeautolevel >= DOT11_MLME_INTERMEDIATE));
778 }
779
780 enum oid_num_t
781 mgt_oidtonum(u32 oid)
782 {
783 int i;
784
785 for (i = 0; i < OID_NUM_LAST; i++)
786 if (isl_oid[i].oid == oid)
787 return i;
788
789 printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid);
790
791 return OID_NUM_LAST;
792 }
793
794 int
795 mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str)
796 {
797 switch (isl_oid[n].flags & OID_FLAG_TYPE) {
798 case OID_TYPE_U32:
799 return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u);
800 break;
801 case OID_TYPE_BUFFER:{
802 struct obj_buffer *buff = r->ptr;
803 return snprintf(str, PRIV_STR_SIZE,
804 "size=%u\naddr=0x%X\n", buff->size,
805 buff->addr);
806 }
807 break;
808 case OID_TYPE_BSS:{
809 struct obj_bss *bss = r->ptr;
810 return snprintf(str, PRIV_STR_SIZE,
811 "age=%u\nchannel=%u\n"
812 "capinfo=0x%X\nrates=0x%X\n"
813 "basic_rates=0x%X\n", bss->age,
814 bss->channel, bss->capinfo,
815 bss->rates, bss->basic_rates);
816 }
817 break;
818 case OID_TYPE_BSSLIST:{
819 struct obj_bsslist *list = r->ptr;
820 int i, k;
821 k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr);
822 for (i = 0; i < list->nr; i++)
823 k += snprintf(str + k, PRIV_STR_SIZE - k,
824 "bss[%u] : \nage=%u\nchannel=%u\n"
825 "capinfo=0x%X\nrates=0x%X\n"
826 "basic_rates=0x%X\n",
827 i, list->bsslist[i].age,
828 list->bsslist[i].channel,
829 list->bsslist[i].capinfo,
830 list->bsslist[i].rates,
831 list->bsslist[i].basic_rates);
832 return k;
833 }
834 break;
835 case OID_TYPE_FREQUENCIES:{
836 struct obj_frequencies *freq = r->ptr;
837 int i, t;
838 printk("nr : %u\n", freq->nr);
839 t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr);
840 for (i = 0; i < freq->nr; i++)
841 t += snprintf(str + t, PRIV_STR_SIZE - t,
842 "mhz[%u]=%u\n", i, freq->mhz[i]);
843 return t;
844 }
845 break;
846 case OID_TYPE_MLME:{
847 struct obj_mlme *mlme = r->ptr;
848 return snprintf(str, PRIV_STR_SIZE,
849 "id=0x%X\nstate=0x%X\ncode=0x%X\n",
850 mlme->id, mlme->state, mlme->code);
851 }
852 break;
853 case OID_TYPE_MLMEEX:{
854 struct obj_mlmeex *mlme = r->ptr;
855 return snprintf(str, PRIV_STR_SIZE,
856 "id=0x%X\nstate=0x%X\n"
857 "code=0x%X\nsize=0x%X\n", mlme->id,
858 mlme->state, mlme->code, mlme->size);
859 }
860 break;
861 case OID_TYPE_ATTACH:{
862 struct obj_attachment *attach = r->ptr;
863 return snprintf(str, PRIV_STR_SIZE,
864 "id=%d\nsize=%d\n",
865 attach->id,
866 attach->size);
867 }
868 break;
869 case OID_TYPE_SSID:{
870 struct obj_ssid *ssid = r->ptr;
871 return snprintf(str, PRIV_STR_SIZE,
872 "length=%u\noctets=%.*s\n",
873 ssid->length, ssid->length,
874 ssid->octets);
875 }
876 break;
877 case OID_TYPE_KEY:{
878 struct obj_key *key = r->ptr;
879 int t, i;
880 t = snprintf(str, PRIV_STR_SIZE,
881 "type=0x%X\nlength=0x%X\nkey=0x",
882 key->type, key->length);
883 for (i = 0; i < key->length; i++)
884 t += snprintf(str + t, PRIV_STR_SIZE - t,
885 "%02X:", key->key[i]);
886 t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
887 return t;
888 }
889 break;
890 case OID_TYPE_RAW:
891 case OID_TYPE_ADDR:{
892 unsigned char *buff = r->ptr;
893 int t, i;
894 t = snprintf(str, PRIV_STR_SIZE, "hex data=");
895 for (i = 0; i < isl_oid[n].size; i++)
896 t += snprintf(str + t, PRIV_STR_SIZE - t,
897 "%02X:", buff[i]);
898 t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
899 return t;
900 }
901 break;
902 default:
903 BUG();
904 }
905 return 0;
906 }
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