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 static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432,
  28         2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484
  29 };
  30
  31 int
  32 channel_of_freq(int f)
  33 {
  34         int c = 0;
  35
  36         if ((f >= 2412) && (f <= 2484)) {
  37                 while ((c < 14) && (f != frequency_list_bg[c]))
  38                         c++;
  39                 return (c >= 14) ? 0 : ++c;
  40         } else if ((f >= (int) 5000) && (f <= (int) 6000)) {
  41                 return ( (f - 5000) / 5 );
  42         } else
  43                 return 0;
  44 }
  45
  46 #define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t}
  47 #define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED)
  48 #define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32)
  49 #define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32)
  50 #define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME)
  51 #define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX)
  52
  53 #define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0)
  54
  55 struct oid_t isl_oid[] = {
  56         OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR),
  57         OID_U32(GEN_OID_LINKSTATE, 0x00000001),
  58         OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002),
  59         OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003),
  60         OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004),
  61         OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005),
  62
  63         /* 802.11 */
  64         OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000),
  65         OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW),
  66         OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid,
  67                      OID_TYPE_SSID),
  68         OID_U32(DOT11_OID_STATE, 0x10000003),
  69         OID_U32(DOT11_OID_AID, 0x10000004),
  70         OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW),
  71         OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid,
  72                      OID_TYPE_SSID),
  73
  74         OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000),
  75         OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001),
  76         OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002),
  77         OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003),
  78         OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004),
  79         OID_U32(DOT11_OID_CFPPERIOD, 0x11000005),
  80         OID_U32(DOT11_OID_CFPDURATION, 0x11000006),
  81
  82         OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000),
  83         OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001),
  84         OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002),
  85         OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003),
  86         [DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key),
  87                                OID_FLAG_CACHED | OID_TYPE_KEY}, /* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */
  88         OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008),
  89         OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009),
  90         OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a),
  91
  92         OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000),
  93         OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001),
  94         OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002),
  95         OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003),
  96
  97         OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000),
  98         OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001),
  99         OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002),
 100         OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003),
 101         OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004),
 102         OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005),
 103         OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006),
 104         OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007),
 105
 106         OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000),
 107         OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001),
 108         OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002),
 109         OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003),
 110         OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004),
 111         OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005),
 112         OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006),
 113
 114         [DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0},
 115         OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008),
 116
 117         OID_U32(DOT11_OID_PSM, 0x14000000),
 118         OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001),
 119         OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002),
 120         OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003),
 121
 122         OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000),
 123         OID_U32(DOT11_OID_CLIENTS, 0x15000001),
 124         OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002),
 125         [DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0}, /* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */
 126
 127         OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR),
 128         OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR),
 129         OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR),
 130         OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR),
 131         OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR),
 132         OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0),
 133         OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1),
 134         OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2),
 135
 136         OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000),
 137         OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001),
 138         OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002),
 139         OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003),
 140         OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004),
 141         OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005),
 142         OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006),
 143         OID_U32(DOT11_OID_RTSFAILED, 0x16000007),
 144         OID_U32(DOT11_OID_ACKFAILED, 0x16000008),
 145         OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009),
 146         OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A),
 147         OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B),
 148         OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C),
 149
 150         OID_U32(DOT11_OID_SLOTTIME, 0x17000000),
 151         OID_U32(DOT11_OID_CWMIN, 0x17000001),
 152         OID_U32(DOT11_OID_CWMAX, 0x17000002),
 153         OID_U32(DOT11_OID_ACKWINDOW, 0x17000003),
 154         OID_U32(DOT11_OID_ANTENNARX, 0x17000004),
 155         OID_U32(DOT11_OID_ANTENNATX, 0x17000005),
 156         OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006),
 157         OID_U32_C(DOT11_OID_CHANNEL, 0x17000007),
 158         OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008),
 159         OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009),
 160         OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1],
 161                    OID_TYPE_RAW),
 162         OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B),
 163         OID_U32(DOT11_OID_CCAMODE, 0x1700000C),
 164         OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D),
 165         OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E),
 166         OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F),
 167         OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010,
 168                    u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
 169         OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011),
 170         [DOT11_OID_SUPPORTEDFREQUENCIES] =
 171             {0x17000012, 0, sizeof (struct obj_frequencies)
 172              + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES},
 173
 174         OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013),
 175         OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1],
 176                    OID_TYPE_RAW),
 177         OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015),
 178         OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016),
 179         OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017),
 180         OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018),
 181         OID_U32(DOT11_OID_PROFILES, 0x17000019),
 182         OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020,
 183                    u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
 184
 185         OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000),
 186         OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001),
 187         OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002),
 188         OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003),
 189         OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004),
 190         OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005),
 191         OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006),
 192         OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007),
 193         OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008),
 194         OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009),
 195         OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A),
 196         OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B),
 197         OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C),
 198
 199         OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000),
 200
 201         OID_U32(DOT11_OID_STATIMEOUT, 0x19000000),
 202         OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001),
 203         OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002),
 204         [DOT11_OID_ATTACHMENT] = {0x19000003, 0,
 205                 sizeof(struct obj_attachment), OID_TYPE_ATTACH},
 206         OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer,
 207                      OID_TYPE_BUFFER),
 208
 209         OID_U32(DOT11_OID_BSSS, 0x1C000000),
 210         [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss),
 211                             OID_TYPE_BSS},      /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */
 212         OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS),
 213         [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct
 214                                                       obj_bsslist) +
 215                                sizeof (struct obj_bss[IWMAX_BSS]),
 216                                OID_TYPE_BSSLIST},
 217
 218         OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000),
 219         OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001),
 220         OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002),
 221         OID_U32_C(OID_INL_MODE, 0xFF020003),
 222         OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004),
 223         OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW),
 224         OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006),
 225         OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007),
 226         OID_U32_C(OID_INL_CONFIG, 0xFF020008),
 227         OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C),
 228         OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D),
 229         OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F),
 230
 231 };
 232
 233 int
 234 mgt_init(islpci_private *priv)
 235 {
 236         int i;
 237
 238         priv->mib = kmalloc(OID_NUM_LAST * sizeof (void *), GFP_KERNEL);
 239         if (!priv->mib)
 240                 return -ENOMEM;
 241
 242         memset(priv->mib, 0, OID_NUM_LAST * sizeof (void *));
 243
 244         /* Alloc the cache */
 245         for (i = 0; i < OID_NUM_LAST; i++) {
 246                 if (isl_oid[i].flags & OID_FLAG_CACHED) {
 247                         priv->mib[i] = kmalloc(isl_oid[i].size *
 248                                                (isl_oid[i].range + 1),
 249                                                GFP_KERNEL);
 250                         if (!priv->mib[i])
 251                                 return -ENOMEM;
 252                         memset(priv->mib[i], 0,
 253                                isl_oid[i].size * (isl_oid[i].range + 1));
 254                 } else
 255                         priv->mib[i] = NULL;
 256         }
 257
 258         init_rwsem(&priv->mib_sem);
 259         prism54_mib_init(priv);
 260
 261         return 0;
 262 }
 263
 264 void
 265 mgt_clean(islpci_private *priv)
 266 {
 267         int i;
 268
 269         if (!priv->mib)
 270                 return;
 271         for (i = 0; i < OID_NUM_LAST; i++)
 272                 if (priv->mib[i]) {
 273                         kfree(priv->mib[i]);
 274                         priv->mib[i] = NULL;
 275                 }
 276         kfree(priv->mib);
 277         priv->mib = NULL;
 278 }
 279
 280 void
 281 mgt_le_to_cpu(int type, void *data)
 282 {
 283         switch (type) {
 284         case OID_TYPE_U32:
 285                 *(u32 *) data = le32_to_cpu(*(u32 *) data);
 286                 break;
 287         case OID_TYPE_BUFFER:{
 288                         struct obj_buffer *buff = data;
 289                         buff->size = le32_to_cpu(buff->size);
 290                         buff->addr = le32_to_cpu(buff->addr);
 291                         break;
 292                 }
 293         case OID_TYPE_BSS:{
 294                         struct obj_bss *bss = data;
 295                         bss->age = le16_to_cpu(bss->age);
 296                         bss->channel = le16_to_cpu(bss->channel);
 297                         bss->capinfo = le16_to_cpu(bss->capinfo);
 298                         bss->rates = le16_to_cpu(bss->rates);
 299                         bss->basic_rates = le16_to_cpu(bss->basic_rates);
 300                         break;
 301                 }
 302         case OID_TYPE_BSSLIST:{
 303                         struct obj_bsslist *list = data;
 304                         int i;
 305                         list->nr = le32_to_cpu(list->nr);
 306                         for (i = 0; i < list->nr; i++)
 307                                 mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]);
 308                         break;
 309                 }
 310         case OID_TYPE_FREQUENCIES:{
 311                         struct obj_frequencies *freq = data;
 312                         int i;
 313                         freq->nr = le16_to_cpu(freq->nr);
 314                         for (i = 0; i < freq->nr; i++)
 315                                 freq->mhz[i] = le16_to_cpu(freq->mhz[i]);
 316                         break;
 317                 }
 318         case OID_TYPE_MLME:{
 319                         struct obj_mlme *mlme = data;
 320                         mlme->id = le16_to_cpu(mlme->id);
 321                         mlme->state = le16_to_cpu(mlme->state);
 322                         mlme->code = le16_to_cpu(mlme->code);
 323                         break;
 324                 }
 325         case OID_TYPE_MLMEEX:{
 326                         struct obj_mlmeex *mlme = data;
 327                         mlme->id = le16_to_cpu(mlme->id);
 328                         mlme->state = le16_to_cpu(mlme->state);
 329                         mlme->code = le16_to_cpu(mlme->code);
 330                         mlme->size = le16_to_cpu(mlme->size);
 331                         break;
 332                 }
 333         case OID_TYPE_ATTACH:{
 334                         struct obj_attachment *attach = data;
 335                         attach->id = le16_to_cpu(attach->id);
 336                         attach->size = le16_to_cpu(attach->size);;
 337                         break;
 338         }
 339         case OID_TYPE_SSID:
 340         case OID_TYPE_KEY:
 341         case OID_TYPE_ADDR:
 342         case OID_TYPE_RAW:
 343                 break;
 344         default:
 345                 BUG();
 346         }
 347 }
 348
 349 static void
 350 mgt_cpu_to_le(int type, void *data)
 351 {
 352         switch (type) {
 353         case OID_TYPE_U32:
 354                 *(u32 *) data = cpu_to_le32(*(u32 *) data);
 355                 break;
 356         case OID_TYPE_BUFFER:{
 357                         struct obj_buffer *buff = data;
 358                         buff->size = cpu_to_le32(buff->size);
 359                         buff->addr = cpu_to_le32(buff->addr);
 360                         break;
 361                 }
 362         case OID_TYPE_BSS:{
 363                         struct obj_bss *bss = data;
 364                         bss->age = cpu_to_le16(bss->age);
 365                         bss->channel = cpu_to_le16(bss->channel);
 366                         bss->capinfo = cpu_to_le16(bss->capinfo);
 367                         bss->rates = cpu_to_le16(bss->rates);
 368                         bss->basic_rates = cpu_to_le16(bss->basic_rates);
 369                         break;
 370                 }
 371         case OID_TYPE_BSSLIST:{
 372                         struct obj_bsslist *list = data;
 373                         int i;
 374                         list->nr = cpu_to_le32(list->nr);
 375                         for (i = 0; i < list->nr; i++)
 376                                 mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]);
 377                         break;
 378                 }
 379         case OID_TYPE_FREQUENCIES:{
 380                         struct obj_frequencies *freq = data;
 381                         int i;
 382                         freq->nr = cpu_to_le16(freq->nr);
 383                         for (i = 0; i < freq->nr; i++)
 384                                 freq->mhz[i] = cpu_to_le16(freq->mhz[i]);
 385                         break;
 386                 }
 387         case OID_TYPE_MLME:{
 388                         struct obj_mlme *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                         break;
 393                 }
 394         case OID_TYPE_MLMEEX:{
 395                         struct obj_mlmeex *mlme = data;
 396                         mlme->id = cpu_to_le16(mlme->id);
 397                         mlme->state = cpu_to_le16(mlme->state);
 398                         mlme->code = cpu_to_le16(mlme->code);
 399                         mlme->size = cpu_to_le16(mlme->size);
 400                         break;
 401                 }
 402         case OID_TYPE_ATTACH:{
 403                         struct obj_attachment *attach = data;
 404                         attach->id = cpu_to_le16(attach->id);
 405                         attach->size = cpu_to_le16(attach->size);;
 406                         break;
 407         }
 408         case OID_TYPE_SSID:
 409         case OID_TYPE_KEY:
 410         case OID_TYPE_ADDR:
 411         case OID_TYPE_RAW:
 412                 break;
 413         default:
 414                 BUG();
 415         }
 416 }
 417
 418 /* Note : data is modified during this function */
 419
 420 int
 421 mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data)
 422 {
 423         int ret = 0;
 424         struct islpci_mgmtframe *response = NULL;
 425         int response_op = PIMFOR_OP_ERROR;
 426         int dlen;
 427         void *cache, *_data = data;
 428         u32 oid;
 429
 430         BUG_ON(OID_NUM_LAST <= n);
 431         BUG_ON(extra > isl_oid[n].range);
 432
 433         if (!priv->mib)
 434                 /* memory has been freed */
 435                 return -1;
 436
 437         dlen = isl_oid[n].size;
 438         cache = priv->mib[n];
 439         cache += (cache ? extra * dlen : 0);
 440         oid = isl_oid[n].oid + extra;
 441
 442         if (_data == NULL)
 443                 /* we are requested to re-set a cached value */
 444                 _data = cache;
 445         else
 446                 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data);
 447         /* If we are going to write to the cache, we don't want anyone to read
 448          * it -> acquire write lock.
 449          * Else we could acquire a read lock to be sure we don't bother the
 450          * commit process (which takes a write lock). But I'm not sure if it's
 451          * needed.
 452          */
 453         if (cache)
 454                 down_write(&priv->mib_sem);
 455
 456         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 457                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
 458                                              _data, dlen, &response);
 459                 if (!ret) {
 460                         response_op = response->header->operation;
 461                         islpci_mgt_release(response);
 462                 }
 463                 if (ret || response_op == PIMFOR_OP_ERROR)
 464                         ret = -EIO;
 465         } else if (!cache)
 466                 ret = -EIO;
 467
 468         if (cache) {
 469                 if (!ret && data)
 470                         memcpy(cache, _data, dlen);
 471                 up_write(&priv->mib_sem);
 472         }
 473
 474         /* re-set given data to what it was */
 475         if (data)
 476                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
 477
 478         return ret;
 479 }
 480
 481 /* None of these are cached */
 482 int
 483 mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len)
 484 {
 485         int ret = 0;
 486         struct islpci_mgmtframe *response;
 487         int response_op = PIMFOR_OP_ERROR;
 488         int dlen;
 489         u32 oid;
 490
 491         BUG_ON(OID_NUM_LAST <= n);
 492
 493         dlen = isl_oid[n].size;
 494         oid = isl_oid[n].oid;
 495
 496         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data);
 497
 498         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 499                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
 500                                              data, dlen + extra_len, &response);
 501                 if (!ret) {
 502                         response_op = response->header->operation;
 503                         islpci_mgt_release(response);
 504                 }
 505                 if (ret || response_op == PIMFOR_OP_ERROR)
 506                         ret = -EIO;
 507         } else
 508                 ret = -EIO;
 509
 510         /* re-set given data to what it was */
 511         if (data)
 512                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
 513
 514         return ret;
 515 }
 516
 517 int
 518 mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data,
 519                 union oid_res_t *res)
 520 {
 521
 522         int ret = -EIO;
 523         int reslen = 0;
 524         struct islpci_mgmtframe *response = NULL;
 525
 526         int dlen;
 527         void *cache, *_res = NULL;
 528         u32 oid;
 529
 530         BUG_ON(OID_NUM_LAST <= n);
 531         BUG_ON(extra > isl_oid[n].range);
 532
 533         res->ptr = NULL;
 534
 535         if (!priv->mib)
 536                 /* memory has been freed */
 537                 return -1;
 538
 539         dlen = isl_oid[n].size;
 540         cache = priv->mib[n];
 541         cache += cache ? extra * dlen : 0;
 542         oid = isl_oid[n].oid + extra;
 543         reslen = dlen;
 544
 545         if (cache)
 546                 down_read(&priv->mib_sem);
 547
 548         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 549                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
 550                                              oid, data, dlen, &response);
 551                 if (ret || !response ||
 552                     response->header->operation == PIMFOR_OP_ERROR) {
 553                         if (response)
 554                                 islpci_mgt_release(response);
 555                         ret = -EIO;
 556                 }
 557                 if (!ret) {
 558                         _res = response->data;
 559                         reslen = response->header->length;
 560                 }
 561         } else if (cache) {
 562                 _res = cache;
 563                 ret = 0;
 564         }
 565         if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32)
 566                 res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res);
 567         else {
 568                 res->ptr = kmalloc(reslen, GFP_KERNEL);
 569                 BUG_ON(res->ptr == NULL);
 570                 if (ret)
 571                         memset(res->ptr, 0, reslen);
 572                 else {
 573                         memcpy(res->ptr, _res, reslen);
 574                         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE,
 575                                       res->ptr);
 576                 }
 577         }
 578         if (cache)
 579                 up_read(&priv->mib_sem);
 580
 581         if (response && !ret)
 582                 islpci_mgt_release(response);
 583
 584         if (reslen > isl_oid[n].size)
 585                 printk(KERN_DEBUG
 586                        "mgt_get_request(0x%x): received data length was bigger "
 587                        "than expected (%d > %d). Memory is probably corrupted...",
 588                        oid, reslen, isl_oid[n].size);
 589
 590         return ret;
 591 }
 592
 593 /* lock outside */
 594 int
 595 mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n)
 596 {
 597         int i, ret = 0;
 598         struct islpci_mgmtframe *response;
 599
 600         for (i = 0; i < n; i++) {
 601                 struct oid_t *t = &(isl_oid[l[i]]);
 602                 void *data = priv->mib[l[i]];
 603                 int j = 0;
 604                 u32 oid = t->oid;
 605                 BUG_ON(data == NULL);
 606                 while (j <= t->range) {
 607                         int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
 608                                                       oid, data, t->size,
 609                                                       &response);
 610                         if (response) {
 611                                 r |= (response->header->operation == PIMFOR_OP_ERROR);
 612                                 islpci_mgt_release(response);
 613                         }
 614                         if (r)
 615                                 printk(KERN_ERR "%s: mgt_commit_list: failure. "
 616                                         "oid=%08x err=%d\n",
 617                                         priv->ndev->name, oid, r);
 618                         ret |= r;
 619                         j++;
 620                         oid++;
 621                         data += t->size;
 622                 }
 623         }
 624         return ret;
 625 }
 626
 627 /* Lock outside */
 628
 629 void
 630 mgt_set(islpci_private *priv, enum oid_num_t n, void *data)
 631 {
 632         BUG_ON(OID_NUM_LAST <= n);
 633         BUG_ON(priv->mib[n] == NULL);
 634
 635         memcpy(priv->mib[n], data, isl_oid[n].size);
 636         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]);
 637 }
 638
 639 void
 640 mgt_get(islpci_private *priv, enum oid_num_t n, void *res)
 641 {
 642         BUG_ON(OID_NUM_LAST <= n);
 643         BUG_ON(priv->mib[n] == NULL);
 644         BUG_ON(res == NULL);
 645
 646         memcpy(res, priv->mib[n], isl_oid[n].size);
 647         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res);
 648 }
 649
 650 /* Commits the cache. Lock outside. */
 651
 652 static enum oid_num_t commit_part1[] = {
 653         OID_INL_CONFIG,
 654         OID_INL_MODE,
 655         DOT11_OID_BSSTYPE,
 656         DOT11_OID_CHANNEL,
 657         DOT11_OID_MLMEAUTOLEVEL
 658 };
 659
 660 static enum oid_num_t commit_part2[] = {
 661         DOT11_OID_SSID,
 662         DOT11_OID_PSMBUFFER,
 663         DOT11_OID_AUTHENABLE,
 664         DOT11_OID_PRIVACYINVOKED,
 665         DOT11_OID_EXUNENCRYPTED,
 666         DOT11_OID_DEFKEYX,      /* MULTIPLE */
 667         DOT11_OID_DEFKEYID,
 668         DOT11_OID_DOT1XENABLE,
 669         OID_INL_DOT11D_CONFORMANCE,
 670         /* Do not initialize this - fw < 1.0.4.3 rejects it
 671         OID_INL_OUTPUTPOWER,
 672         */
 673 };
 674
 675 /* update the MAC addr. */
 676 static int
 677 mgt_update_addr(islpci_private *priv)
 678 {
 679         struct islpci_mgmtframe *res;
 680         int ret;
 681
 682         ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
 683                                      isl_oid[GEN_OID_MACADDRESS].oid, NULL,
 684                                      isl_oid[GEN_OID_MACADDRESS].size, &res);
 685
 686         if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR))
 687                 memcpy(priv->ndev->dev_addr, res->data, 6);
 688         else
 689                 ret = -EIO;
 690         if (res)
 691                 islpci_mgt_release(res);
 692
 693         if (ret)
 694                 printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name);
 695         return ret;
 696 }
 697
 698 #define VEC_SIZE(a) (sizeof(a)/sizeof(a[0]))
 699
 700 int
 701 mgt_commit(islpci_private *priv)
 702 {
 703         int rvalue;
 704         u32 u;
 705
 706         if (islpci_get_state(priv) < PRV_STATE_INIT)
 707                 return 0;
 708
 709         rvalue = mgt_commit_list(priv, commit_part1, VEC_SIZE(commit_part1));
 710
 711         if (priv->iw_mode != IW_MODE_MONITOR)
 712                 rvalue |= mgt_commit_list(priv, commit_part2, VEC_SIZE(commit_part2));
 713
 714         u = OID_INL_MODE;
 715         rvalue |= mgt_commit_list(priv, &u, 1);
 716         rvalue |= mgt_update_addr(priv);
 717
 718         if (rvalue) {
 719                 /* some request have failed. The device might be in an
 720                    incoherent state. We should reset it ! */
 721                 printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name);
 722         }
 723         return rvalue;
 724 }
 725
 726 /* The following OIDs need to be "unlatched":
 727  *
 728  * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL
 729  * FREQUENCY,EXTENDEDRATES.
 730  *
 731  * The way to do this is to set ESSID. Note though that they may get
 732  * unlatch before though by setting another OID. */
 733 #if 0
 734 void
 735 mgt_unlatch_all(islpci_private *priv)
 736 {
 737         u32 u;
 738         int rvalue = 0;
 739
 740         if (islpci_get_state(priv) < PRV_STATE_INIT)
 741                 return;
 742
 743         u = DOT11_OID_SSID;
 744         rvalue = mgt_commit_list(priv, &u, 1);
 745         /* Necessary if in MANUAL RUN mode? */
 746 #if 0
 747         u = OID_INL_MODE;
 748         rvalue |= mgt_commit_list(priv, &u, 1);
 749
 750         u = DOT11_OID_MLMEAUTOLEVEL;
 751         rvalue |= mgt_commit_list(priv, &u, 1);
 752
 753         u = OID_INL_MODE;
 754         rvalue |= mgt_commit_list(priv, &u, 1);
 755 #endif
 756
 757         if (rvalue)
 758                 printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name);
 759 }
 760 #endif
 761
 762 /* This will tell you if you are allowed to answer a mlme(ex) request .*/
 763
 764 int
 765 mgt_mlme_answer(islpci_private *priv)
 766 {
 767         u32 mlmeautolevel;
 768         /* Acquire a read lock because if we are in a mode change, it's
 769          * possible to answer true, while the card is leaving master to managed
 770          * mode. Answering to a mlme in this situation could hang the card.
 771          */
 772         down_read(&priv->mib_sem);
 773         mlmeautolevel =
 774             le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]);
 775         up_read(&priv->mib_sem);
 776
 777         return ((priv->iw_mode == IW_MODE_MASTER) &&
 778                 (mlmeautolevel >= DOT11_MLME_INTERMEDIATE));
 779 }
 780
 781 enum oid_num_t
 782 mgt_oidtonum(u32 oid)
 783 {
 784         int i;
 785
 786         for (i = 0; i < OID_NUM_LAST; i++)
 787                 if (isl_oid[i].oid == oid)
 788                         return i;
 789
 790         printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid);
 791
 792         return OID_NUM_LAST;
 793 }
 794
 795 int
 796 mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str)
 797 {
 798         switch (isl_oid[n].flags & OID_FLAG_TYPE) {
 799         case OID_TYPE_U32:
 800                 return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u);
 801                 break;
 802         case OID_TYPE_BUFFER:{
 803                         struct obj_buffer *buff = r->ptr;
 804                         return snprintf(str, PRIV_STR_SIZE,
 805                                         "size=%u\naddr=0x%X\n", buff->size,
 806                                         buff->addr);
 807                 }
 808                 break;
 809         case OID_TYPE_BSS:{
 810                         struct obj_bss *bss = r->ptr;
 811                         return snprintf(str, PRIV_STR_SIZE,
 812                                         "age=%u\nchannel=%u\n"
 813                                         "capinfo=0x%X\nrates=0x%X\n"
 814                                         "basic_rates=0x%X\n", bss->age,
 815                                         bss->channel, bss->capinfo,
 816                                         bss->rates, bss->basic_rates);
 817                 }
 818                 break;
 819         case OID_TYPE_BSSLIST:{
 820                         struct obj_bsslist *list = r->ptr;
 821                         int i, k;
 822                         k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr);
 823                         for (i = 0; i < list->nr; i++)
 824                                 k += snprintf(str + k, PRIV_STR_SIZE - k,
 825                                               "bss[%u] : \nage=%u\nchannel=%u\n"
 826                                               "capinfo=0x%X\nrates=0x%X\n"
 827                                               "basic_rates=0x%X\n",
 828                                               i, list->bsslist[i].age,
 829                                               list->bsslist[i].channel,
 830                                               list->bsslist[i].capinfo,
 831                                               list->bsslist[i].rates,
 832                                               list->bsslist[i].basic_rates);
 833                         return k;
 834                 }
 835                 break;
 836         case OID_TYPE_FREQUENCIES:{
 837                         struct obj_frequencies *freq = r->ptr;
 838                         int i, t;
 839                         printk("nr : %u\n", freq->nr);
 840                         t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr);
 841                         for (i = 0; i < freq->nr; i++)
 842                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 843                                               "mhz[%u]=%u\n", i, freq->mhz[i]);
 844                         return t;
 845                 }
 846                 break;
 847         case OID_TYPE_MLME:{
 848                         struct obj_mlme *mlme = r->ptr;
 849                         return snprintf(str, PRIV_STR_SIZE,
 850                                         "id=0x%X\nstate=0x%X\ncode=0x%X\n",
 851                                         mlme->id, mlme->state, mlme->code);
 852                 }
 853                 break;
 854         case OID_TYPE_MLMEEX:{
 855                         struct obj_mlmeex *mlme = r->ptr;
 856                         return snprintf(str, PRIV_STR_SIZE,
 857                                         "id=0x%X\nstate=0x%X\n"
 858                                         "code=0x%X\nsize=0x%X\n", mlme->id,
 859                                         mlme->state, mlme->code, mlme->size);
 860                 }
 861                 break;
 862         case OID_TYPE_ATTACH:{
 863                         struct obj_attachment *attach = r->ptr;
 864                         return snprintf(str, PRIV_STR_SIZE,
 865                                         "id=%d\nsize=%d\n",
 866                                         attach->id,
 867                                         attach->size);
 868                 }
 869                 break;
 870         case OID_TYPE_SSID:{
 871                         struct obj_ssid *ssid = r->ptr;
 872                         return snprintf(str, PRIV_STR_SIZE,
 873                                         "length=%u\noctets=%.*s\n",
 874                                         ssid->length, ssid->length,
 875                                         ssid->octets);
 876                 }
 877                 break;
 878         case OID_TYPE_KEY:{
 879                         struct obj_key *key = r->ptr;
 880                         int t, i;
 881                         t = snprintf(str, PRIV_STR_SIZE,
 882                                      "type=0x%X\nlength=0x%X\nkey=0x",
 883                                      key->type, key->length);
 884                         for (i = 0; i < key->length; i++)
 885                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 886                                               "%02X:", key->key[i]);
 887                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
 888                         return t;
 889                 }
 890                 break;
 891         case OID_TYPE_RAW:
 892         case OID_TYPE_ADDR:{
 893                         unsigned char *buff = r->ptr;
 894                         int t, i;
 895                         t = snprintf(str, PRIV_STR_SIZE, "hex data=");
 896                         for (i = 0; i < isl_oid[n].size; i++)
 897                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 898                                               "%02X:", buff[i]);
 899                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
 900                         return t;
 901                 }
 902                 break;
 903         default:
 904                 BUG();
 905         }
 906         return 0;
 907 }