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