git.oblomov.eu Git - linux-2.6/blob - 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 <linux/kernel.h>
  20
  21 #include "prismcompat.h"
  22 #include "islpci_dev.h"
  23 #include "islpci_mgt.h"
  24 #include "isl_oid.h"
  25 #include "oid_mgt.h"
  26 #include "isl_ioctl.h"
  27
  28 /* to convert between channel and freq */
  29 static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432,
  30         2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484
  31 };
  32
  33 int
  34 channel_of_freq(int f)
  35 {
  36         int c = 0;
  37
  38         if ((f >= 2412) && (f <= 2484)) {
  39                 while ((c < 14) && (f != frequency_list_bg[c]))
  40                         c++;
  41                 return (c >= 14) ? 0 : ++c;
  42         } else if ((f >= (int) 5000) && (f <= (int) 6000)) {
  43                 return ( (f - 5000) / 5 );
  44         } else
  45                 return 0;
  46 }
  47
  48 #define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t}
  49 #define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED)
  50 #define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32)
  51 #define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32)
  52 #define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME)
  53 #define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX)
  54
  55 #define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0)
  56
  57 struct oid_t isl_oid[] = {
  58         OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR),
  59         OID_U32(GEN_OID_LINKSTATE, 0x00000001),
  60         OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002),
  61         OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003),
  62         OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004),
  63         OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005),
  64
  65         /* 802.11 */
  66         OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000),
  67         OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW),
  68         OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid,
  69                      OID_TYPE_SSID),
  70         OID_U32(DOT11_OID_STATE, 0x10000003),
  71         OID_U32(DOT11_OID_AID, 0x10000004),
  72         OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW),
  73         OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid,
  74                      OID_TYPE_SSID),
  75
  76         OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000),
  77         OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001),
  78         OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002),
  79         OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003),
  80         OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004),
  81         OID_U32(DOT11_OID_CFPPERIOD, 0x11000005),
  82         OID_U32(DOT11_OID_CFPDURATION, 0x11000006),
  83
  84         OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000),
  85         OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001),
  86         OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002),
  87         OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003),
  88         [DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key),
  89                                OID_FLAG_CACHED | OID_TYPE_KEY}, /* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */
  90         OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008),
  91         OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009),
  92         OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a),
  93
  94         OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000),
  95         OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001),
  96         OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002),
  97         OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003),
  98
  99         OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000),
 100         OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001),
 101         OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002),
 102         OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003),
 103         OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004),
 104         OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005),
 105         OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006),
 106         OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007),
 107
 108         OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000),
 109         OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001),
 110         OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002),
 111         OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003),
 112         OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004),
 113         OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005),
 114         OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006),
 115
 116         [DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0},
 117         OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008),
 118
 119         OID_U32(DOT11_OID_PSM, 0x14000000),
 120         OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001),
 121         OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002),
 122         OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003),
 123
 124         OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000),
 125         OID_U32(DOT11_OID_CLIENTS, 0x15000001),
 126         OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002),
 127         [DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0}, /* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */
 128
 129         OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR),
 130         OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR),
 131         OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR),
 132         OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR),
 133         OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR),
 134         OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0),
 135         OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1),
 136         OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2),
 137
 138         OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000),
 139         OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001),
 140         OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002),
 141         OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003),
 142         OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004),
 143         OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005),
 144         OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006),
 145         OID_U32(DOT11_OID_RTSFAILED, 0x16000007),
 146         OID_U32(DOT11_OID_ACKFAILED, 0x16000008),
 147         OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009),
 148         OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A),
 149         OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B),
 150         OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C),
 151
 152         OID_U32(DOT11_OID_SLOTTIME, 0x17000000),
 153         OID_U32(DOT11_OID_CWMIN, 0x17000001),
 154         OID_U32(DOT11_OID_CWMAX, 0x17000002),
 155         OID_U32(DOT11_OID_ACKWINDOW, 0x17000003),
 156         OID_U32(DOT11_OID_ANTENNARX, 0x17000004),
 157         OID_U32(DOT11_OID_ANTENNATX, 0x17000005),
 158         OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006),
 159         OID_U32_C(DOT11_OID_CHANNEL, 0x17000007),
 160         OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008),
 161         OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009),
 162         OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1],
 163                    OID_TYPE_RAW),
 164         OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B),
 165         OID_U32(DOT11_OID_CCAMODE, 0x1700000C),
 166         OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D),
 167         OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E),
 168         OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F),
 169         OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010,
 170                    u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
 171         OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011),
 172         [DOT11_OID_SUPPORTEDFREQUENCIES] =
 173             {0x17000012, 0, sizeof (struct obj_frequencies)
 174              + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES},
 175
 176         OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013),
 177         OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1],
 178                    OID_TYPE_RAW),
 179         OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015),
 180         OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016),
 181         OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017),
 182         OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018),
 183         OID_U32(DOT11_OID_PROFILES, 0x17000019),
 184         OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020,
 185                    u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
 186
 187         OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000),
 188         OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001),
 189         OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002),
 190         OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003),
 191         OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004),
 192         OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005),
 193         OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006),
 194         OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007),
 195         OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008),
 196         OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009),
 197         OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A),
 198         OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B),
 199         OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C),
 200
 201         OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000),
 202
 203         OID_U32(DOT11_OID_STATIMEOUT, 0x19000000),
 204         OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001),
 205         OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002),
 206         [DOT11_OID_ATTACHMENT] = {0x19000003, 0,
 207                 sizeof(struct obj_attachment), OID_TYPE_ATTACH},
 208         OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer,
 209                      OID_TYPE_BUFFER),
 210
 211         OID_U32(DOT11_OID_BSSS, 0x1C000000),
 212         [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss),
 213                             OID_TYPE_BSS},      /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */
 214         OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS),
 215         [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct
 216                                                       obj_bsslist) +
 217                                sizeof (struct obj_bss[IWMAX_BSS]),
 218                                OID_TYPE_BSSLIST},
 219
 220         OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000),
 221         OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001),
 222         OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002),
 223         OID_U32_C(OID_INL_MODE, 0xFF020003),
 224         OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004),
 225         OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW),
 226         OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006),
 227         OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007),
 228         OID_U32_C(OID_INL_CONFIG, 0xFF020008),
 229         OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C),
 230         OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D),
 231         OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F),
 232
 233 };
 234
 235 int
 236 mgt_init(islpci_private *priv)
 237 {
 238         int i;
 239
 240         priv->mib = kcalloc(OID_NUM_LAST, sizeof (void *), GFP_KERNEL);
 241         if (!priv->mib)
 242                 return -ENOMEM;
 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] = kzalloc(isl_oid[i].size *
 248                                                (isl_oid[i].range + 1),
 249                                                GFP_KERNEL);
 250                         if (!priv->mib[i])
 251                                 return -ENOMEM;
 252                 } else
 253                         priv->mib[i] = NULL;
 254         }
 255
 256         init_rwsem(&priv->mib_sem);
 257         prism54_mib_init(priv);
 258
 259         return 0;
 260 }
 261
 262 void
 263 mgt_clean(islpci_private *priv)
 264 {
 265         int i;
 266
 267         if (!priv->mib)
 268                 return;
 269         for (i = 0; i < OID_NUM_LAST; i++) {
 270                 kfree(priv->mib[i]);
 271                 priv->mib[i] = NULL;
 272         }
 273         kfree(priv->mib);
 274         priv->mib = NULL;
 275 }
 276
 277 void
 278 mgt_le_to_cpu(int type, void *data)
 279 {
 280         switch (type) {
 281         case OID_TYPE_U32:
 282                 *(u32 *) data = le32_to_cpu(*(u32 *) data);
 283                 break;
 284         case OID_TYPE_BUFFER:{
 285                         struct obj_buffer *buff = data;
 286                         buff->size = le32_to_cpu(buff->size);
 287                         buff->addr = le32_to_cpu(buff->addr);
 288                         break;
 289                 }
 290         case OID_TYPE_BSS:{
 291                         struct obj_bss *bss = data;
 292                         bss->age = le16_to_cpu(bss->age);
 293                         bss->channel = le16_to_cpu(bss->channel);
 294                         bss->capinfo = le16_to_cpu(bss->capinfo);
 295                         bss->rates = le16_to_cpu(bss->rates);
 296                         bss->basic_rates = le16_to_cpu(bss->basic_rates);
 297                         break;
 298                 }
 299         case OID_TYPE_BSSLIST:{
 300                         struct obj_bsslist *list = data;
 301                         int i;
 302                         list->nr = le32_to_cpu(list->nr);
 303                         for (i = 0; i < list->nr; i++)
 304                                 mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]);
 305                         break;
 306                 }
 307         case OID_TYPE_FREQUENCIES:{
 308                         struct obj_frequencies *freq = data;
 309                         int i;
 310                         freq->nr = le16_to_cpu(freq->nr);
 311                         for (i = 0; i < freq->nr; i++)
 312                                 freq->mhz[i] = le16_to_cpu(freq->mhz[i]);
 313                         break;
 314                 }
 315         case OID_TYPE_MLME:{
 316                         struct obj_mlme *mlme = data;
 317                         mlme->id = le16_to_cpu(mlme->id);
 318                         mlme->state = le16_to_cpu(mlme->state);
 319                         mlme->code = le16_to_cpu(mlme->code);
 320                         break;
 321                 }
 322         case OID_TYPE_MLMEEX:{
 323                         struct obj_mlmeex *mlme = data;
 324                         mlme->id = le16_to_cpu(mlme->id);
 325                         mlme->state = le16_to_cpu(mlme->state);
 326                         mlme->code = le16_to_cpu(mlme->code);
 327                         mlme->size = le16_to_cpu(mlme->size);
 328                         break;
 329                 }
 330         case OID_TYPE_ATTACH:{
 331                         struct obj_attachment *attach = data;
 332                         attach->id = le16_to_cpu(attach->id);
 333                         attach->size = le16_to_cpu(attach->size);
 334                         break;
 335         }
 336         case OID_TYPE_SSID:
 337         case OID_TYPE_KEY:
 338         case OID_TYPE_ADDR:
 339         case OID_TYPE_RAW:
 340                 break;
 341         default:
 342                 BUG();
 343         }
 344 }
 345
 346 static void
 347 mgt_cpu_to_le(int type, void *data)
 348 {
 349         switch (type) {
 350         case OID_TYPE_U32:
 351                 *(u32 *) data = cpu_to_le32(*(u32 *) data);
 352                 break;
 353         case OID_TYPE_BUFFER:{
 354                         struct obj_buffer *buff = data;
 355                         buff->size = cpu_to_le32(buff->size);
 356                         buff->addr = cpu_to_le32(buff->addr);
 357                         break;
 358                 }
 359         case OID_TYPE_BSS:{
 360                         struct obj_bss *bss = data;
 361                         bss->age = cpu_to_le16(bss->age);
 362                         bss->channel = cpu_to_le16(bss->channel);
 363                         bss->capinfo = cpu_to_le16(bss->capinfo);
 364                         bss->rates = cpu_to_le16(bss->rates);
 365                         bss->basic_rates = cpu_to_le16(bss->basic_rates);
 366                         break;
 367                 }
 368         case OID_TYPE_BSSLIST:{
 369                         struct obj_bsslist *list = data;
 370                         int i;
 371                         list->nr = cpu_to_le32(list->nr);
 372                         for (i = 0; i < list->nr; i++)
 373                                 mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]);
 374                         break;
 375                 }
 376         case OID_TYPE_FREQUENCIES:{
 377                         struct obj_frequencies *freq = data;
 378                         int i;
 379                         freq->nr = cpu_to_le16(freq->nr);
 380                         for (i = 0; i < freq->nr; i++)
 381                                 freq->mhz[i] = cpu_to_le16(freq->mhz[i]);
 382                         break;
 383                 }
 384         case OID_TYPE_MLME:{
 385                         struct obj_mlme *mlme = data;
 386                         mlme->id = cpu_to_le16(mlme->id);
 387                         mlme->state = cpu_to_le16(mlme->state);
 388                         mlme->code = cpu_to_le16(mlme->code);
 389                         break;
 390                 }
 391         case OID_TYPE_MLMEEX:{
 392                         struct obj_mlmeex *mlme = data;
 393                         mlme->id = cpu_to_le16(mlme->id);
 394                         mlme->state = cpu_to_le16(mlme->state);
 395                         mlme->code = cpu_to_le16(mlme->code);
 396                         mlme->size = cpu_to_le16(mlme->size);
 397                         break;
 398                 }
 399         case OID_TYPE_ATTACH:{
 400                         struct obj_attachment *attach = data;
 401                         attach->id = cpu_to_le16(attach->id);
 402                         attach->size = cpu_to_le16(attach->size);
 403                         break;
 404         }
 405         case OID_TYPE_SSID:
 406         case OID_TYPE_KEY:
 407         case OID_TYPE_ADDR:
 408         case OID_TYPE_RAW:
 409                 break;
 410         default:
 411                 BUG();
 412         }
 413 }
 414
 415 /* Note : data is modified during this function */
 416
 417 int
 418 mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data)
 419 {
 420         int ret = 0;
 421         struct islpci_mgmtframe *response = NULL;
 422         int response_op = PIMFOR_OP_ERROR;
 423         int dlen;
 424         void *cache, *_data = data;
 425         u32 oid;
 426
 427         BUG_ON(OID_NUM_LAST <= n);
 428         BUG_ON(extra > isl_oid[n].range);
 429
 430         if (!priv->mib)
 431                 /* memory has been freed */
 432                 return -1;
 433
 434         dlen = isl_oid[n].size;
 435         cache = priv->mib[n];
 436         cache += (cache ? extra * dlen : 0);
 437         oid = isl_oid[n].oid + extra;
 438
 439         if (_data == NULL)
 440                 /* we are requested to re-set a cached value */
 441                 _data = cache;
 442         else
 443                 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data);
 444         /* If we are going to write to the cache, we don't want anyone to read
 445          * it -> acquire write lock.
 446          * Else we could acquire a read lock to be sure we don't bother the
 447          * commit process (which takes a write lock). But I'm not sure if it's
 448          * needed.
 449          */
 450         if (cache)
 451                 down_write(&priv->mib_sem);
 452
 453         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 454                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
 455                                              _data, dlen, &response);
 456                 if (!ret) {
 457                         response_op = response->header->operation;
 458                         islpci_mgt_release(response);
 459                 }
 460                 if (ret || response_op == PIMFOR_OP_ERROR)
 461                         ret = -EIO;
 462         } else if (!cache)
 463                 ret = -EIO;
 464
 465         if (cache) {
 466                 if (!ret && data)
 467                         memcpy(cache, _data, dlen);
 468                 up_write(&priv->mib_sem);
 469         }
 470
 471         /* re-set given data to what it was */
 472         if (data)
 473                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
 474
 475         return ret;
 476 }
 477
 478 /* None of these are cached */
 479 int
 480 mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len)
 481 {
 482         int ret = 0;
 483         struct islpci_mgmtframe *response;
 484         int response_op = PIMFOR_OP_ERROR;
 485         int dlen;
 486         u32 oid;
 487
 488         BUG_ON(OID_NUM_LAST <= n);
 489
 490         dlen = isl_oid[n].size;
 491         oid = isl_oid[n].oid;
 492
 493         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data);
 494
 495         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 496                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
 497                                              data, dlen + extra_len, &response);
 498                 if (!ret) {
 499                         response_op = response->header->operation;
 500                         islpci_mgt_release(response);
 501                 }
 502                 if (ret || response_op == PIMFOR_OP_ERROR)
 503                         ret = -EIO;
 504         } else
 505                 ret = -EIO;
 506
 507         /* re-set given data to what it was */
 508         if (data)
 509                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
 510
 511         return ret;
 512 }
 513
 514 int
 515 mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data,
 516                 union oid_res_t *res)
 517 {
 518
 519         int ret = -EIO;
 520         int reslen = 0;
 521         struct islpci_mgmtframe *response = NULL;
 522
 523         int dlen;
 524         void *cache, *_res = NULL;
 525         u32 oid;
 526
 527         BUG_ON(OID_NUM_LAST <= n);
 528         BUG_ON(extra > isl_oid[n].range);
 529
 530         res->ptr = NULL;
 531
 532         if (!priv->mib)
 533                 /* memory has been freed */
 534                 return -1;
 535
 536         dlen = isl_oid[n].size;
 537         cache = priv->mib[n];
 538         cache += cache ? extra * dlen : 0;
 539         oid = isl_oid[n].oid + extra;
 540         reslen = dlen;
 541
 542         if (cache)
 543                 down_read(&priv->mib_sem);
 544
 545         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 546                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
 547                                              oid, data, dlen, &response);
 548                 if (ret || !response ||
 549                     response->header->operation == PIMFOR_OP_ERROR) {
 550                         if (response)
 551                                 islpci_mgt_release(response);
 552                         ret = -EIO;
 553                 }
 554                 if (!ret) {
 555                         _res = response->data;
 556                         reslen = response->header->length;
 557                 }
 558         } else if (cache) {
 559                 _res = cache;
 560                 ret = 0;
 561         }
 562         if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32)
 563                 res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res);
 564         else {
 565                 res->ptr = kmalloc(reslen, GFP_KERNEL);
 566                 BUG_ON(res->ptr == NULL);
 567                 if (ret)
 568                         memset(res->ptr, 0, reslen);
 569                 else {
 570                         memcpy(res->ptr, _res, reslen);
 571                         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE,
 572                                       res->ptr);
 573                 }
 574         }
 575         if (cache)
 576                 up_read(&priv->mib_sem);
 577
 578         if (response && !ret)
 579                 islpci_mgt_release(response);
 580
 581         if (reslen > isl_oid[n].size)
 582                 printk(KERN_DEBUG
 583                        "mgt_get_request(0x%x): received data length was bigger "
 584                        "than expected (%d > %d). Memory is probably corrupted...",
 585                        oid, reslen, isl_oid[n].size);
 586
 587         return ret;
 588 }
 589
 590 /* lock outside */
 591 int
 592 mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n)
 593 {
 594         int i, ret = 0;
 595         struct islpci_mgmtframe *response;
 596
 597         for (i = 0; i < n; i++) {
 598                 struct oid_t *t = &(isl_oid[l[i]]);
 599                 void *data = priv->mib[l[i]];
 600                 int j = 0;
 601                 u32 oid = t->oid;
 602                 BUG_ON(data == NULL);
 603                 while (j <= t->range) {
 604                         int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
 605                                                       oid, data, t->size,
 606                                                       &response);
 607                         if (response) {
 608                                 r |= (response->header->operation == PIMFOR_OP_ERROR);
 609                                 islpci_mgt_release(response);
 610                         }
 611                         if (r)
 612                                 printk(KERN_ERR "%s: mgt_commit_list: failure. "
 613                                         "oid=%08x err=%d\n",
 614                                         priv->ndev->name, oid, r);
 615                         ret |= r;
 616                         j++;
 617                         oid++;
 618                         data += t->size;
 619                 }
 620         }
 621         return ret;
 622 }
 623
 624 /* Lock outside */
 625
 626 void
 627 mgt_set(islpci_private *priv, enum oid_num_t n, void *data)
 628 {
 629         BUG_ON(OID_NUM_LAST <= n);
 630         BUG_ON(priv->mib[n] == NULL);
 631
 632         memcpy(priv->mib[n], data, isl_oid[n].size);
 633         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]);
 634 }
 635
 636 void
 637 mgt_get(islpci_private *priv, enum oid_num_t n, void *res)
 638 {
 639         BUG_ON(OID_NUM_LAST <= n);
 640         BUG_ON(priv->mib[n] == NULL);
 641         BUG_ON(res == NULL);
 642
 643         memcpy(res, priv->mib[n], isl_oid[n].size);
 644         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res);
 645 }
 646
 647 /* Commits the cache. Lock outside. */
 648
 649 static enum oid_num_t commit_part1[] = {
 650         OID_INL_CONFIG,
 651         OID_INL_MODE,
 652         DOT11_OID_BSSTYPE,
 653         DOT11_OID_CHANNEL,
 654         DOT11_OID_MLMEAUTOLEVEL
 655 };
 656
 657 static enum oid_num_t commit_part2[] = {
 658         DOT11_OID_SSID,
 659         DOT11_OID_PSMBUFFER,
 660         DOT11_OID_AUTHENABLE,
 661         DOT11_OID_PRIVACYINVOKED,
 662         DOT11_OID_EXUNENCRYPTED,
 663         DOT11_OID_DEFKEYX,      /* MULTIPLE */
 664         DOT11_OID_DEFKEYID,
 665         DOT11_OID_DOT1XENABLE,
 666         OID_INL_DOT11D_CONFORMANCE,
 667         /* Do not initialize this - fw < 1.0.4.3 rejects it
 668         OID_INL_OUTPUTPOWER,
 669         */
 670 };
 671
 672 /* update the MAC addr. */
 673 static int
 674 mgt_update_addr(islpci_private *priv)
 675 {
 676         struct islpci_mgmtframe *res;
 677         int ret;
 678
 679         ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
 680                                      isl_oid[GEN_OID_MACADDRESS].oid, NULL,
 681                                      isl_oid[GEN_OID_MACADDRESS].size, &res);
 682
 683         if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR))
 684                 memcpy(priv->ndev->dev_addr, res->data, 6);
 685         else
 686                 ret = -EIO;
 687         if (res)
 688                 islpci_mgt_release(res);
 689
 690         if (ret)
 691                 printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name);
 692         return ret;
 693 }
 694
 695 #define VEC_SIZE(a) ARRAY_SIZE(a)
 696
 697 int
 698 mgt_commit(islpci_private *priv)
 699 {
 700         int rvalue;
 701         enum oid_num_t u;
 702
 703         if (islpci_get_state(priv) < PRV_STATE_INIT)
 704                 return 0;
 705
 706         rvalue = mgt_commit_list(priv, commit_part1, VEC_SIZE(commit_part1));
 707
 708         if (priv->iw_mode != IW_MODE_MONITOR)
 709                 rvalue |= mgt_commit_list(priv, commit_part2, VEC_SIZE(commit_part2));
 710
 711         u = OID_INL_MODE;
 712         rvalue |= mgt_commit_list(priv, &u, 1);
 713         rvalue |= mgt_update_addr(priv);
 714
 715         if (rvalue) {
 716                 /* some request have failed. The device might be in an
 717                    incoherent state. We should reset it ! */
 718                 printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name);
 719         }
 720         return rvalue;
 721 }
 722
 723 /* The following OIDs need to be "unlatched":
 724  *
 725  * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL
 726  * FREQUENCY,EXTENDEDRATES.
 727  *
 728  * The way to do this is to set ESSID. Note though that they may get
 729  * unlatch before though by setting another OID. */
 730 #if 0
 731 void
 732 mgt_unlatch_all(islpci_private *priv)
 733 {
 734         u32 u;
 735         int rvalue = 0;
 736
 737         if (islpci_get_state(priv) < PRV_STATE_INIT)
 738                 return;
 739
 740         u = DOT11_OID_SSID;
 741         rvalue = mgt_commit_list(priv, &u, 1);
 742         /* Necessary if in MANUAL RUN mode? */
 743 #if 0
 744         u = OID_INL_MODE;
 745         rvalue |= mgt_commit_list(priv, &u, 1);
 746
 747         u = DOT11_OID_MLMEAUTOLEVEL;
 748         rvalue |= mgt_commit_list(priv, &u, 1);
 749
 750         u = OID_INL_MODE;
 751         rvalue |= mgt_commit_list(priv, &u, 1);
 752 #endif
 753
 754         if (rvalue)
 755                 printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name);
 756 }
 757 #endif
 758
 759 /* This will tell you if you are allowed to answer a mlme(ex) request .*/
 760
 761 int
 762 mgt_mlme_answer(islpci_private *priv)
 763 {
 764         u32 mlmeautolevel;
 765         /* Acquire a read lock because if we are in a mode change, it's
 766          * possible to answer true, while the card is leaving master to managed
 767          * mode. Answering to a mlme in this situation could hang the card.
 768          */
 769         down_read(&priv->mib_sem);
 770         mlmeautolevel =
 771             le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]);
 772         up_read(&priv->mib_sem);
 773
 774         return ((priv->iw_mode == IW_MODE_MASTER) &&
 775                 (mlmeautolevel >= DOT11_MLME_INTERMEDIATE));
 776 }
 777
 778 enum oid_num_t
 779 mgt_oidtonum(u32 oid)
 780 {
 781         int i;
 782
 783         for (i = 0; i < OID_NUM_LAST; i++)
 784                 if (isl_oid[i].oid == oid)
 785                         return i;
 786
 787         printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid);
 788
 789         return OID_NUM_LAST;
 790 }
 791
 792 int
 793 mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str)
 794 {
 795         switch (isl_oid[n].flags & OID_FLAG_TYPE) {
 796         case OID_TYPE_U32:
 797                 return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u);
 798                 break;
 799         case OID_TYPE_BUFFER:{
 800                         struct obj_buffer *buff = r->ptr;
 801                         return snprintf(str, PRIV_STR_SIZE,
 802                                         "size=%u\naddr=0x%X\n", buff->size,
 803                                         buff->addr);
 804                 }
 805                 break;
 806         case OID_TYPE_BSS:{
 807                         struct obj_bss *bss = r->ptr;
 808                         return snprintf(str, PRIV_STR_SIZE,
 809                                         "age=%u\nchannel=%u\n"
 810                                         "capinfo=0x%X\nrates=0x%X\n"
 811                                         "basic_rates=0x%X\n", bss->age,
 812                                         bss->channel, bss->capinfo,
 813                                         bss->rates, bss->basic_rates);
 814                 }
 815                 break;
 816         case OID_TYPE_BSSLIST:{
 817                         struct obj_bsslist *list = r->ptr;
 818                         int i, k;
 819                         k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr);
 820                         for (i = 0; i < list->nr; i++)
 821                                 k += snprintf(str + k, PRIV_STR_SIZE - k,
 822                                               "bss[%u] : \nage=%u\nchannel=%u\n"
 823                                               "capinfo=0x%X\nrates=0x%X\n"
 824                                               "basic_rates=0x%X\n",
 825                                               i, list->bsslist[i].age,
 826                                               list->bsslist[i].channel,
 827                                               list->bsslist[i].capinfo,
 828                                               list->bsslist[i].rates,
 829                                               list->bsslist[i].basic_rates);
 830                         return k;
 831                 }
 832                 break;
 833         case OID_TYPE_FREQUENCIES:{
 834                         struct obj_frequencies *freq = r->ptr;
 835                         int i, t;
 836                         printk("nr : %u\n", freq->nr);
 837                         t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr);
 838                         for (i = 0; i < freq->nr; i++)
 839                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 840                                               "mhz[%u]=%u\n", i, freq->mhz[i]);
 841                         return t;
 842                 }
 843                 break;
 844         case OID_TYPE_MLME:{
 845                         struct obj_mlme *mlme = r->ptr;
 846                         return snprintf(str, PRIV_STR_SIZE,
 847                                         "id=0x%X\nstate=0x%X\ncode=0x%X\n",
 848                                         mlme->id, mlme->state, mlme->code);
 849                 }
 850                 break;
 851         case OID_TYPE_MLMEEX:{
 852                         struct obj_mlmeex *mlme = r->ptr;
 853                         return snprintf(str, PRIV_STR_SIZE,
 854                                         "id=0x%X\nstate=0x%X\n"
 855                                         "code=0x%X\nsize=0x%X\n", mlme->id,
 856                                         mlme->state, mlme->code, mlme->size);
 857                 }
 858                 break;
 859         case OID_TYPE_ATTACH:{
 860                         struct obj_attachment *attach = r->ptr;
 861                         return snprintf(str, PRIV_STR_SIZE,
 862                                         "id=%d\nsize=%d\n",
 863                                         attach->id,
 864                                         attach->size);
 865                 }
 866                 break;
 867         case OID_TYPE_SSID:{
 868                         struct obj_ssid *ssid = r->ptr;
 869                         return snprintf(str, PRIV_STR_SIZE,
 870                                         "length=%u\noctets=%.*s\n",
 871                                         ssid->length, ssid->length,
 872                                         ssid->octets);
 873                 }
 874                 break;
 875         case OID_TYPE_KEY:{
 876                         struct obj_key *key = r->ptr;
 877                         int t, i;
 878                         t = snprintf(str, PRIV_STR_SIZE,
 879                                      "type=0x%X\nlength=0x%X\nkey=0x",
 880                                      key->type, key->length);
 881                         for (i = 0; i < key->length; i++)
 882                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 883                                               "%02X:", key->key[i]);
 884                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
 885                         return t;
 886                 }
 887                 break;
 888         case OID_TYPE_RAW:
 889         case OID_TYPE_ADDR:{
 890                         unsigned char *buff = r->ptr;
 891                         int t, i;
 892                         t = snprintf(str, PRIV_STR_SIZE, "hex data=");
 893                         for (i = 0; i < isl_oid[n].size; i++)
 894                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 895                                               "%02X:", buff[i]);
 896                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
 897                         return t;
 898                 }
 899                 break;
 900         default:
 901                 BUG();
 902         }
 903         return 0;
 904 }