Merge to Fedora kernel-2.6.7-1.492
[linux-2.6.git] / drivers / net / wireless / prism54 / oid_mgt.c
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 const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
28         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         OID_UNKNOWN(DOT11_OID_ATTACHMENT, 0x19000003),
205         OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer,
206                      OID_TYPE_BUFFER),
207
208         OID_U32(DOT11_OID_BSSS, 0x1C000000),
209         [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss),
210                             OID_TYPE_BSS},      /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */
211         OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS),
212         [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct
213                                                       obj_bsslist) +
214                                sizeof (struct obj_bss[IWMAX_BSS]),
215                                OID_TYPE_BSSLIST},
216
217         OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000),
218         OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001),
219         OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002),
220         OID_U32_C(OID_INL_MODE, 0xFF020003),
221         OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004),
222         OID_UNKNOWN(OID_INL_VERSION, 0xFF020005),
223         OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006),
224         OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007),
225         OID_U32_C(OID_INL_CONFIG, 0xFF020008),
226         OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C),
227         OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D),
228         OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F),
229
230 };
231
232 int
233 mgt_init(islpci_private *priv)
234 {
235         int i;
236
237         priv->mib = kmalloc(OID_NUM_LAST * sizeof (void *), GFP_KERNEL);
238         if (!priv->mib)
239                 return -ENOMEM;
240
241         memset(priv->mib, 0, OID_NUM_LAST * sizeof (void *));
242
243         /* Alloc the cache */
244         for (i = 0; i < OID_NUM_LAST; i++) {
245                 if (isl_oid[i].flags & OID_FLAG_CACHED) {
246                         priv->mib[i] = kmalloc(isl_oid[i].size *
247                                                (isl_oid[i].range + 1),
248                                                GFP_KERNEL);
249                         if (!priv->mib[i])
250                                 return -ENOMEM;
251                         memset(priv->mib[i], 0,
252                                isl_oid[i].size * (isl_oid[i].range + 1));
253                 } else
254                         priv->mib[i] = NULL;
255         }
256
257         init_rwsem(&priv->mib_sem);
258         prism54_mib_init(priv);
259
260         return 0;
261 }
262
263 void
264 mgt_clean(islpci_private *priv)
265 {
266         int i;
267
268         if (!priv->mib)
269                 return;
270         for (i = 0; i < OID_NUM_LAST; i++)
271                 if (priv->mib[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_SSID:
333         case OID_TYPE_KEY:
334         case OID_TYPE_ADDR:
335         case OID_TYPE_RAW:
336                 break;
337         default:
338                 BUG();
339         }
340 }
341
342 static void
343 mgt_cpu_to_le(int type, void *data)
344 {
345         switch (type) {
346         case OID_TYPE_U32:
347                 *(u32 *) data = cpu_to_le32(*(u32 *) data);
348                 break;
349         case OID_TYPE_BUFFER:{
350                         struct obj_buffer *buff = data;
351                         buff->size = cpu_to_le32(buff->size);
352                         buff->addr = cpu_to_le32(buff->addr);
353                         break;
354                 }
355         case OID_TYPE_BSS:{
356                         struct obj_bss *bss = data;
357                         bss->age = cpu_to_le16(bss->age);
358                         bss->channel = cpu_to_le16(bss->channel);
359                         bss->capinfo = cpu_to_le16(bss->capinfo);
360                         bss->rates = cpu_to_le16(bss->rates);
361                         bss->basic_rates = cpu_to_le16(bss->basic_rates);
362                         break;
363                 }
364         case OID_TYPE_BSSLIST:{
365                         struct obj_bsslist *list = data;
366                         int i;
367                         list->nr = cpu_to_le32(list->nr);
368                         for (i = 0; i < list->nr; i++)
369                                 mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]);
370                         break;
371                 }
372         case OID_TYPE_FREQUENCIES:{
373                         struct obj_frequencies *freq = data;
374                         int i;
375                         freq->nr = cpu_to_le16(freq->nr);
376                         for (i = 0; i < freq->nr; i++)
377                                 freq->mhz[i] = cpu_to_le16(freq->mhz[i]);
378                         break;
379                 }
380         case OID_TYPE_MLME:{
381                         struct obj_mlme *mlme = data;
382                         mlme->id = cpu_to_le16(mlme->id);
383                         mlme->state = cpu_to_le16(mlme->state);
384                         mlme->code = cpu_to_le16(mlme->code);
385                         break;
386                 }
387         case OID_TYPE_MLMEEX:{
388                         struct obj_mlmeex *mlme = data;
389                         mlme->id = cpu_to_le16(mlme->id);
390                         mlme->state = cpu_to_le16(mlme->state);
391                         mlme->code = cpu_to_le16(mlme->code);
392                         mlme->size = cpu_to_le16(mlme->size);
393                         break;
394                 }
395         case OID_TYPE_SSID:
396         case OID_TYPE_KEY:
397         case OID_TYPE_ADDR:
398         case OID_TYPE_RAW:
399                 break;
400         default:
401                 BUG();
402         }
403 }
404
405 /* Note : data is modified during this function */
406
407 int
408 mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data)
409 {
410         int ret = 0;
411         struct islpci_mgmtframe *response;
412         int response_op = PIMFOR_OP_ERROR;
413         int dlen;
414         void *cache, *_data = data;
415         u32 oid;
416
417         BUG_ON(OID_NUM_LAST <= n);
418         BUG_ON(extra > isl_oid[n].range);
419
420         if (!priv->mib)
421                 /* memory has been freed */
422                 return -1;
423
424         dlen = isl_oid[n].size;
425         cache = priv->mib[n];
426         cache += (cache ? extra * dlen : 0);
427         oid = isl_oid[n].oid + extra;
428
429         if (_data == NULL)
430                 /* we are requested to re-set a cached value */
431                 _data = cache;
432         else
433                 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data);
434         /* If we are going to write to the cache, we don't want anyone to read
435          * it -> acquire write lock.
436          * Else we could acquire a read lock to be sure we don't bother the
437          * commit process (which takes a write lock). But I'm not sure if it's
438          * needed.
439          */
440         if (cache)
441                 down_write(&priv->mib_sem);
442
443         if (islpci_get_state(priv) >= PRV_STATE_READY) {
444                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
445                                              _data, dlen, &response);
446                 if (!ret) {
447                         response_op = response->header->operation;
448                         islpci_mgt_release(response);
449                 }
450                 if (ret || response_op == PIMFOR_OP_ERROR)
451                         ret = -EIO;
452         } else if (!cache)
453                 ret = -EIO;
454
455         if (cache) {
456                 if (!ret && data)
457                         memcpy(cache, _data, dlen);
458                 up_write(&priv->mib_sem);
459         }
460
461         /* re-set given data to what it was */
462         if (data)
463                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
464
465         return ret;
466 }
467
468 int
469 mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data,
470                 union oid_res_t *res)
471 {
472
473         int ret = -EIO;
474         int reslen = 0;
475         struct islpci_mgmtframe *response = NULL;
476
477         int dlen;
478         void *cache, *_res = NULL;
479         u32 oid;
480
481         BUG_ON(OID_NUM_LAST <= n);
482         BUG_ON(extra > isl_oid[n].range);
483
484         if (!priv->mib)
485                 /* memory has been freed */
486                 return -1;
487
488         dlen = isl_oid[n].size;
489         cache = priv->mib[n];
490         cache += cache ? extra * dlen : 0;
491         oid = isl_oid[n].oid + extra;
492         reslen = dlen;
493
494         if (cache)
495                 down_read(&priv->mib_sem);
496
497         if (islpci_get_state(priv) >= PRV_STATE_READY) {
498                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
499                                              oid, data, dlen, &response);
500                 if (ret || !response ||
501                     response->header->operation == PIMFOR_OP_ERROR) {
502                         if (response)
503                                 islpci_mgt_release(response);
504                         ret = -EIO;
505                 }
506                 if (!ret) {
507                         _res = response->data;
508                         reslen = response->header->length;
509                 }
510         } else if (cache) {
511                 _res = cache;
512                 ret = 0;
513         }
514         if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32)
515                 res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res);
516         else {
517                 res->ptr = kmalloc(reslen, GFP_KERNEL);
518                 BUG_ON(res->ptr == NULL);
519                 if (ret)
520                         memset(res->ptr, 0, reslen);
521                 else {
522                         memcpy(res->ptr, _res, reslen);
523                         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE,
524                                       res->ptr);
525                 }
526         }
527         if (cache)
528                 up_read(&priv->mib_sem);
529
530         if (response && !ret)
531                 islpci_mgt_release(response);
532
533         if (reslen > isl_oid[n].size)
534                 printk(KERN_DEBUG
535                        "mgt_get_request(0x%x): received data length was bigger "
536                        "than expected (%d > %d). Memory is probably corrupted...",
537                        oid, reslen, isl_oid[n].size);
538
539         return ret;
540 }
541
542 /* lock outside */
543 int
544 mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n)
545 {
546         int i, ret = 0;
547         struct islpci_mgmtframe *response;
548
549         for (i = 0; i < n; i++) {
550                 struct oid_t *t = &(isl_oid[l[i]]);
551                 void *data = priv->mib[l[i]];
552                 int j = 0;
553                 u32 oid = t->oid;
554                 BUG_ON(data == NULL);
555                 while (j <= t->range) {
556                         response = NULL;
557                         ret |= islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
558                                                       oid, data, t->size,
559                                                       &response);
560                         if (response) {
561                                 ret |= (response->header->operation ==
562                                         PIMFOR_OP_ERROR);
563                                 islpci_mgt_release(response);
564                         }
565                         j++;
566                         oid++;
567                         data += t->size;
568                 }
569         }
570         return ret;
571 }
572
573 /* Lock outside */
574
575 void
576 mgt_set(islpci_private *priv, enum oid_num_t n, void *data)
577 {
578         BUG_ON(OID_NUM_LAST <= n);
579         BUG_ON(priv->mib[n] == NULL);
580
581         memcpy(priv->mib[n], data, isl_oid[n].size);
582         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]);
583 }
584
585 void
586 mgt_get(islpci_private *priv, enum oid_num_t n, void *res)
587 {
588         BUG_ON(OID_NUM_LAST <= n);
589         BUG_ON(priv->mib[n] == NULL);
590         BUG_ON(res == NULL);
591
592         memcpy(res, priv->mib[n], isl_oid[n].size);
593         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res);
594 }
595
596 /* Commits the cache. Lock outside. */
597
598 static enum oid_num_t commit_part1[] = {
599         OID_INL_CONFIG,
600         OID_INL_MODE,
601         DOT11_OID_BSSTYPE,
602         DOT11_OID_CHANNEL,
603         DOT11_OID_MLMEAUTOLEVEL
604 };
605
606 static enum oid_num_t commit_part2[] = {
607         DOT11_OID_SSID,
608         DOT11_OID_PSMBUFFER,
609         DOT11_OID_AUTHENABLE,
610         DOT11_OID_PRIVACYINVOKED,
611         DOT11_OID_EXUNENCRYPTED,
612         DOT11_OID_DEFKEYX,      /* MULTIPLE */
613         DOT11_OID_DEFKEYID,
614         DOT11_OID_DOT1XENABLE,
615         OID_INL_DOT11D_CONFORMANCE,
616         OID_INL_OUTPUTPOWER,
617 };
618
619 /* update the MAC addr. */
620 static int
621 mgt_update_addr(islpci_private *priv)
622 {
623         struct islpci_mgmtframe *res;
624         int ret;
625
626         ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
627                                      isl_oid[GEN_OID_MACADDRESS].oid, NULL,
628                                      isl_oid[GEN_OID_MACADDRESS].size, &res);
629
630         if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR))
631                 memcpy(priv->ndev->dev_addr, res->data, 6);
632         else
633                 ret = -EIO;
634         if (res)
635                 islpci_mgt_release(res);
636
637         return ret;
638 }
639
640 void
641 mgt_commit(islpci_private *priv)
642 {
643         int rvalue;
644         u32 u;
645
646         if (islpci_get_state(priv) < PRV_STATE_INIT)
647                 return;
648
649         rvalue = mgt_commit_list(priv, commit_part1,
650                                  sizeof (commit_part1) /
651                                  sizeof (commit_part1[0]));
652
653         if (priv->iw_mode != IW_MODE_MONITOR)
654                 rvalue |= mgt_commit_list(priv, commit_part2,
655                                           sizeof (commit_part2) /
656                                           sizeof (commit_part2[0]));
657
658         u = OID_INL_MODE;
659         rvalue |= mgt_commit_list(priv, &u, 1);
660         rvalue |= mgt_update_addr(priv);
661
662         if (rvalue) {
663                 /* some request have failed. The device might be in an
664                    incoherent state. We should reset it ! */
665                 printk(KERN_DEBUG "%s: mgt_commit has failed. Restart the "
666                        "device \n", priv->ndev->name);
667         }
668 }
669
670 /* This will tell you if you are allowed to answer a mlme(ex) request .*/
671
672 int
673 mgt_mlme_answer(islpci_private *priv)
674 {
675         u32 mlmeautolevel;
676         /* Acquire a read lock because if we are in a mode change, it's
677          * possible to answer true, while the card is leaving master to managed
678          * mode. Answering to a mlme in this situation could hang the card.
679          */
680         down_read(&priv->mib_sem);
681         mlmeautolevel =
682             le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]);
683         up_read(&priv->mib_sem);
684
685         return ((priv->iw_mode == IW_MODE_MASTER) &&
686                 (mlmeautolevel >= DOT11_MLME_INTERMEDIATE));
687 }
688
689 enum oid_num_t
690 mgt_oidtonum(u32 oid)
691 {
692         int i;
693
694         for (i = 0; i < OID_NUM_LAST; i++)
695                 if (isl_oid[i].oid == oid)
696                         return i;
697
698         printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid);
699
700         return OID_NUM_LAST;
701 }
702
703 int
704 mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str)
705 {
706         switch (isl_oid[n].flags & OID_FLAG_TYPE) {
707         case OID_TYPE_U32:
708                 return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u);
709                 break;
710         case OID_TYPE_BUFFER:{
711                         struct obj_buffer *buff = r->ptr;
712                         return snprintf(str, PRIV_STR_SIZE,
713                                         "size=%u\naddr=0x%X\n", buff->size,
714                                         buff->addr);
715                 }
716                 break;
717         case OID_TYPE_BSS:{
718                         struct obj_bss *bss = r->ptr;
719                         return snprintf(str, PRIV_STR_SIZE,
720                                         "age=%u\nchannel=%u\n"
721                                         "capinfo=0x%X\nrates=0x%X\n"
722                                         "basic_rates=0x%X\n", bss->age,
723                                         bss->channel, bss->capinfo,
724                                         bss->rates, bss->basic_rates);
725                 }
726                 break;
727         case OID_TYPE_BSSLIST:{
728                         struct obj_bsslist *list = r->ptr;
729                         int i, k;
730                         k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr);
731                         for (i = 0; i < list->nr; i++)
732                                 k += snprintf(str + k, PRIV_STR_SIZE - k,
733                                               "bss[%u] : \nage=%u\nchannel=%u\n"
734                                               "capinfo=0x%X\nrates=0x%X\n"
735                                               "basic_rates=0x%X\n",
736                                               i, list->bsslist[i].age,
737                                               list->bsslist[i].channel,
738                                               list->bsslist[i].capinfo,
739                                               list->bsslist[i].rates,
740                                               list->bsslist[i].basic_rates);
741                         return k;
742                 }
743                 break;
744         case OID_TYPE_FREQUENCIES:{
745                         struct obj_frequencies *freq = r->ptr;
746                         int i, t;
747                         printk("nr : %u\n", freq->nr);
748                         t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr);
749                         for (i = 0; i < freq->nr; i++)
750                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
751                                               "mhz[%u]=%u\n", i, freq->mhz[i]);
752                         return t;
753                 }
754                 break;
755         case OID_TYPE_MLME:{
756                         struct obj_mlme *mlme = r->ptr;
757                         return snprintf(str, PRIV_STR_SIZE,
758                                         "id=0x%X\nstate=0x%X\ncode=0x%X\n",
759                                         mlme->id, mlme->state, mlme->code);
760                 }
761                 break;
762         case OID_TYPE_MLMEEX:{
763                         struct obj_mlmeex *mlme = r->ptr;
764                         return snprintf(str, PRIV_STR_SIZE,
765                                         "id=0x%X\nstate=0x%X\n"
766                                         "code=0x%X\nsize=0x%X\n", mlme->id,
767                                         mlme->state, mlme->code, mlme->size);
768                 }
769                 break;
770         case OID_TYPE_SSID:{
771                         struct obj_ssid *ssid = r->ptr;
772                         return snprintf(str, PRIV_STR_SIZE,
773                                         "length=%u\noctets=%.*s\n",
774                                         ssid->length, ssid->length,
775                                         ssid->octets);
776                 }
777                 break;
778         case OID_TYPE_KEY:{
779                         struct obj_key *key = r->ptr;
780                         int t, i;
781                         t = snprintf(str, PRIV_STR_SIZE,
782                                      "type=0x%X\nlength=0x%X\nkey=0x",
783                                      key->type, key->length);
784                         for (i = 0; i < key->length; i++)
785                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
786                                               "%02X:", key->key[i]);
787                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
788                         return t;
789                 }
790                 break;
791         case OID_TYPE_RAW:
792         case OID_TYPE_ADDR:{
793                         unsigned char *buff = r->ptr;
794                         int t, i;
795                         t = snprintf(str, PRIV_STR_SIZE, "hex data=");
796                         for (i = 0; i < isl_oid[n].size; i++)
797                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
798                                               "%02X:", buff[i]);
799                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
800                         return t;
801                 }
802                 break;
803         default:
804                 BUG();
805         }
806         return 0;
807 }