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] = 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) ARRAY_SIZE(a)
 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 }