root/drivers/net/wireless/intersil/prism54/oid_mgt.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. channel_of_freq
  2. mgt_init
  3. mgt_clean
  4. mgt_le_to_cpu
  5. mgt_cpu_to_le
  6. mgt_set_request
  7. mgt_set_varlen
  8. mgt_get_request
  9. mgt_commit_list
  10. mgt_set
  11. mgt_get
  12. mgt_update_addr
  13. mgt_commit
  14. mgt_unlatch_all
  15. mgt_mlme_answer
  16. mgt_oidtonum
  17. mgt_response_to_str

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  Copyright (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
   4  */
   5 
   6 #include <linux/kernel.h>
   7 #include <linux/slab.h>
   8 
   9 #include "prismcompat.h"
  10 #include "islpci_dev.h"
  11 #include "islpci_mgt.h"
  12 #include "isl_oid.h"
  13 #include "oid_mgt.h"
  14 #include "isl_ioctl.h"
  15 
  16 /* to convert between channel and freq */
  17 static const int frequency_list_bg[] = { 2412, 2417, 2422, 2427, 2432,
  18         2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484
  19 };
  20 
  21 int
  22 channel_of_freq(int f)
  23 {
  24         int c = 0;
  25 
  26         if ((f >= 2412) && (f <= 2484)) {
  27                 while ((c < 14) && (f != frequency_list_bg[c]))
  28                         c++;
  29                 return (c >= 14) ? 0 : ++c;
  30         } else if ((f >= (int) 5000) && (f <= (int) 6000)) {
  31                 return ( (f - 5000) / 5 );
  32         } else
  33                 return 0;
  34 }
  35 
  36 #define OID_STRUCT(name,oid,s,t) [name] = {oid, 0, sizeof(s), t}
  37 #define OID_STRUCT_C(name,oid,s,t) OID_STRUCT(name,oid,s,t | OID_FLAG_CACHED)
  38 #define OID_U32(name,oid) OID_STRUCT(name,oid,u32,OID_TYPE_U32)
  39 #define OID_U32_C(name,oid) OID_STRUCT_C(name,oid,u32,OID_TYPE_U32)
  40 #define OID_STRUCT_MLME(name,oid) OID_STRUCT(name,oid,struct obj_mlme,OID_TYPE_MLME)
  41 #define OID_STRUCT_MLMEEX(name,oid) OID_STRUCT(name,oid,struct obj_mlmeex,OID_TYPE_MLMEEX)
  42 
  43 #define OID_UNKNOWN(name,oid) OID_STRUCT(name,oid,0,0)
  44 
  45 struct oid_t isl_oid[] = {
  46         OID_STRUCT(GEN_OID_MACADDRESS, 0x00000000, u8[6], OID_TYPE_ADDR),
  47         OID_U32(GEN_OID_LINKSTATE, 0x00000001),
  48         OID_UNKNOWN(GEN_OID_WATCHDOG, 0x00000002),
  49         OID_UNKNOWN(GEN_OID_MIBOP, 0x00000003),
  50         OID_UNKNOWN(GEN_OID_OPTIONS, 0x00000004),
  51         OID_UNKNOWN(GEN_OID_LEDCONFIG, 0x00000005),
  52 
  53         /* 802.11 */
  54         OID_U32_C(DOT11_OID_BSSTYPE, 0x10000000),
  55         OID_STRUCT_C(DOT11_OID_BSSID, 0x10000001, u8[6], OID_TYPE_RAW),
  56         OID_STRUCT_C(DOT11_OID_SSID, 0x10000002, struct obj_ssid,
  57                      OID_TYPE_SSID),
  58         OID_U32(DOT11_OID_STATE, 0x10000003),
  59         OID_U32(DOT11_OID_AID, 0x10000004),
  60         OID_STRUCT(DOT11_OID_COUNTRYSTRING, 0x10000005, u8[4], OID_TYPE_RAW),
  61         OID_STRUCT_C(DOT11_OID_SSIDOVERRIDE, 0x10000006, struct obj_ssid,
  62                      OID_TYPE_SSID),
  63 
  64         OID_U32(DOT11_OID_MEDIUMLIMIT, 0x11000000),
  65         OID_U32_C(DOT11_OID_BEACONPERIOD, 0x11000001),
  66         OID_U32(DOT11_OID_DTIMPERIOD, 0x11000002),
  67         OID_U32(DOT11_OID_ATIMWINDOW, 0x11000003),
  68         OID_U32(DOT11_OID_LISTENINTERVAL, 0x11000004),
  69         OID_U32(DOT11_OID_CFPPERIOD, 0x11000005),
  70         OID_U32(DOT11_OID_CFPDURATION, 0x11000006),
  71 
  72         OID_U32_C(DOT11_OID_AUTHENABLE, 0x12000000),
  73         OID_U32_C(DOT11_OID_PRIVACYINVOKED, 0x12000001),
  74         OID_U32_C(DOT11_OID_EXUNENCRYPTED, 0x12000002),
  75         OID_U32_C(DOT11_OID_DEFKEYID, 0x12000003),
  76         [DOT11_OID_DEFKEYX] = {0x12000004, 3, sizeof (struct obj_key),
  77                                OID_FLAG_CACHED | OID_TYPE_KEY}, /* DOT11_OID_DEFKEY1,...DOT11_OID_DEFKEY4 */
  78         OID_UNKNOWN(DOT11_OID_STAKEY, 0x12000008),
  79         OID_U32(DOT11_OID_REKEYTHRESHOLD, 0x12000009),
  80         OID_UNKNOWN(DOT11_OID_STASC, 0x1200000a),
  81 
  82         OID_U32(DOT11_OID_PRIVTXREJECTED, 0x1a000000),
  83         OID_U32(DOT11_OID_PRIVRXPLAIN, 0x1a000001),
  84         OID_U32(DOT11_OID_PRIVRXFAILED, 0x1a000002),
  85         OID_U32(DOT11_OID_PRIVRXNOKEY, 0x1a000003),
  86 
  87         OID_U32_C(DOT11_OID_RTSTHRESH, 0x13000000),
  88         OID_U32_C(DOT11_OID_FRAGTHRESH, 0x13000001),
  89         OID_U32_C(DOT11_OID_SHORTRETRIES, 0x13000002),
  90         OID_U32_C(DOT11_OID_LONGRETRIES, 0x13000003),
  91         OID_U32_C(DOT11_OID_MAXTXLIFETIME, 0x13000004),
  92         OID_U32(DOT11_OID_MAXRXLIFETIME, 0x13000005),
  93         OID_U32(DOT11_OID_AUTHRESPTIMEOUT, 0x13000006),
  94         OID_U32(DOT11_OID_ASSOCRESPTIMEOUT, 0x13000007),
  95 
  96         OID_UNKNOWN(DOT11_OID_ALOFT_TABLE, 0x1d000000),
  97         OID_UNKNOWN(DOT11_OID_ALOFT_CTRL_TABLE, 0x1d000001),
  98         OID_UNKNOWN(DOT11_OID_ALOFT_RETREAT, 0x1d000002),
  99         OID_UNKNOWN(DOT11_OID_ALOFT_PROGRESS, 0x1d000003),
 100         OID_U32(DOT11_OID_ALOFT_FIXEDRATE, 0x1d000004),
 101         OID_UNKNOWN(DOT11_OID_ALOFT_RSSIGRAPH, 0x1d000005),
 102         OID_UNKNOWN(DOT11_OID_ALOFT_CONFIG, 0x1d000006),
 103 
 104         [DOT11_OID_VDCFX] = {0x1b000000, 7, 0, 0},
 105         OID_U32(DOT11_OID_MAXFRAMEBURST, 0x1b000008),
 106 
 107         OID_U32(DOT11_OID_PSM, 0x14000000),
 108         OID_U32(DOT11_OID_CAMTIMEOUT, 0x14000001),
 109         OID_U32(DOT11_OID_RECEIVEDTIMS, 0x14000002),
 110         OID_U32(DOT11_OID_ROAMPREFERENCE, 0x14000003),
 111 
 112         OID_U32(DOT11_OID_BRIDGELOCAL, 0x15000000),
 113         OID_U32(DOT11_OID_CLIENTS, 0x15000001),
 114         OID_U32(DOT11_OID_CLIENTSASSOCIATED, 0x15000002),
 115         [DOT11_OID_CLIENTX] = {0x15000003, 2006, 0, 0}, /* DOT11_OID_CLIENTX,...DOT11_OID_CLIENT2007 */
 116 
 117         OID_STRUCT(DOT11_OID_CLIENTFIND, 0x150007DB, u8[6], OID_TYPE_ADDR),
 118         OID_STRUCT(DOT11_OID_WDSLINKADD, 0x150007DC, u8[6], OID_TYPE_ADDR),
 119         OID_STRUCT(DOT11_OID_WDSLINKREMOVE, 0x150007DD, u8[6], OID_TYPE_ADDR),
 120         OID_STRUCT(DOT11_OID_EAPAUTHSTA, 0x150007DE, u8[6], OID_TYPE_ADDR),
 121         OID_STRUCT(DOT11_OID_EAPUNAUTHSTA, 0x150007DF, u8[6], OID_TYPE_ADDR),
 122         OID_U32_C(DOT11_OID_DOT1XENABLE, 0x150007E0),
 123         OID_UNKNOWN(DOT11_OID_MICFAILURE, 0x150007E1),
 124         OID_UNKNOWN(DOT11_OID_REKEYINDICATE, 0x150007E2),
 125 
 126         OID_U32(DOT11_OID_MPDUTXSUCCESSFUL, 0x16000000),
 127         OID_U32(DOT11_OID_MPDUTXONERETRY, 0x16000001),
 128         OID_U32(DOT11_OID_MPDUTXMULTIPLERETRIES, 0x16000002),
 129         OID_U32(DOT11_OID_MPDUTXFAILED, 0x16000003),
 130         OID_U32(DOT11_OID_MPDURXSUCCESSFUL, 0x16000004),
 131         OID_U32(DOT11_OID_MPDURXDUPS, 0x16000005),
 132         OID_U32(DOT11_OID_RTSSUCCESSFUL, 0x16000006),
 133         OID_U32(DOT11_OID_RTSFAILED, 0x16000007),
 134         OID_U32(DOT11_OID_ACKFAILED, 0x16000008),
 135         OID_U32(DOT11_OID_FRAMERECEIVES, 0x16000009),
 136         OID_U32(DOT11_OID_FRAMEERRORS, 0x1600000A),
 137         OID_U32(DOT11_OID_FRAMEABORTS, 0x1600000B),
 138         OID_U32(DOT11_OID_FRAMEABORTSPHY, 0x1600000C),
 139 
 140         OID_U32(DOT11_OID_SLOTTIME, 0x17000000),
 141         OID_U32(DOT11_OID_CWMIN, 0x17000001),
 142         OID_U32(DOT11_OID_CWMAX, 0x17000002),
 143         OID_U32(DOT11_OID_ACKWINDOW, 0x17000003),
 144         OID_U32(DOT11_OID_ANTENNARX, 0x17000004),
 145         OID_U32(DOT11_OID_ANTENNATX, 0x17000005),
 146         OID_U32(DOT11_OID_ANTENNADIVERSITY, 0x17000006),
 147         OID_U32_C(DOT11_OID_CHANNEL, 0x17000007),
 148         OID_U32_C(DOT11_OID_EDTHRESHOLD, 0x17000008),
 149         OID_U32(DOT11_OID_PREAMBLESETTINGS, 0x17000009),
 150         OID_STRUCT(DOT11_OID_RATES, 0x1700000A, u8[IWMAX_BITRATES + 1],
 151                    OID_TYPE_RAW),
 152         OID_U32(DOT11_OID_CCAMODESUPPORTED, 0x1700000B),
 153         OID_U32(DOT11_OID_CCAMODE, 0x1700000C),
 154         OID_UNKNOWN(DOT11_OID_RSSIVECTOR, 0x1700000D),
 155         OID_UNKNOWN(DOT11_OID_OUTPUTPOWERTABLE, 0x1700000E),
 156         OID_U32(DOT11_OID_OUTPUTPOWER, 0x1700000F),
 157         OID_STRUCT(DOT11_OID_SUPPORTEDRATES, 0x17000010,
 158                    u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
 159         OID_U32_C(DOT11_OID_FREQUENCY, 0x17000011),
 160         [DOT11_OID_SUPPORTEDFREQUENCIES] =
 161             {0x17000012, 0, sizeof (struct obj_frequencies)
 162              + sizeof (u16) * IWMAX_FREQ, OID_TYPE_FREQUENCIES},
 163 
 164         OID_U32(DOT11_OID_NOISEFLOOR, 0x17000013),
 165         OID_STRUCT(DOT11_OID_FREQUENCYACTIVITY, 0x17000014, u8[IWMAX_FREQ + 1],
 166                    OID_TYPE_RAW),
 167         OID_UNKNOWN(DOT11_OID_IQCALIBRATIONTABLE, 0x17000015),
 168         OID_U32(DOT11_OID_NONERPPROTECTION, 0x17000016),
 169         OID_U32(DOT11_OID_SLOTSETTINGS, 0x17000017),
 170         OID_U32(DOT11_OID_NONERPTIMEOUT, 0x17000018),
 171         OID_U32(DOT11_OID_PROFILES, 0x17000019),
 172         OID_STRUCT(DOT11_OID_EXTENDEDRATES, 0x17000020,
 173                    u8[IWMAX_BITRATES + 1], OID_TYPE_RAW),
 174 
 175         OID_STRUCT_MLME(DOT11_OID_DEAUTHENTICATE, 0x18000000),
 176         OID_STRUCT_MLME(DOT11_OID_AUTHENTICATE, 0x18000001),
 177         OID_STRUCT_MLME(DOT11_OID_DISASSOCIATE, 0x18000002),
 178         OID_STRUCT_MLME(DOT11_OID_ASSOCIATE, 0x18000003),
 179         OID_UNKNOWN(DOT11_OID_SCAN, 0x18000004),
 180         OID_STRUCT_MLMEEX(DOT11_OID_BEACON, 0x18000005),
 181         OID_STRUCT_MLMEEX(DOT11_OID_PROBE, 0x18000006),
 182         OID_STRUCT_MLMEEX(DOT11_OID_DEAUTHENTICATEEX, 0x18000007),
 183         OID_STRUCT_MLMEEX(DOT11_OID_AUTHENTICATEEX, 0x18000008),
 184         OID_STRUCT_MLMEEX(DOT11_OID_DISASSOCIATEEX, 0x18000009),
 185         OID_STRUCT_MLMEEX(DOT11_OID_ASSOCIATEEX, 0x1800000A),
 186         OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATE, 0x1800000B),
 187         OID_STRUCT_MLMEEX(DOT11_OID_REASSOCIATEEX, 0x1800000C),
 188 
 189         OID_U32(DOT11_OID_NONERPSTATUS, 0x1E000000),
 190 
 191         OID_U32(DOT11_OID_STATIMEOUT, 0x19000000),
 192         OID_U32_C(DOT11_OID_MLMEAUTOLEVEL, 0x19000001),
 193         OID_U32(DOT11_OID_BSSTIMEOUT, 0x19000002),
 194         [DOT11_OID_ATTACHMENT] = {0x19000003, 0,
 195                 sizeof(struct obj_attachment), OID_TYPE_ATTACH},
 196         OID_STRUCT_C(DOT11_OID_PSMBUFFER, 0x19000004, struct obj_buffer,
 197                      OID_TYPE_BUFFER),
 198 
 199         OID_U32(DOT11_OID_BSSS, 0x1C000000),
 200         [DOT11_OID_BSSX] = {0x1C000001, 63, sizeof (struct obj_bss),
 201                             OID_TYPE_BSS},      /*DOT11_OID_BSS1,...,DOT11_OID_BSS64 */
 202         OID_STRUCT(DOT11_OID_BSSFIND, 0x1C000042, struct obj_bss, OID_TYPE_BSS),
 203         [DOT11_OID_BSSLIST] = {0x1C000043, 0, sizeof (struct
 204                                                       obj_bsslist) +
 205                                sizeof (struct obj_bss[IWMAX_BSS]),
 206                                OID_TYPE_BSSLIST},
 207 
 208         OID_UNKNOWN(OID_INL_TUNNEL, 0xFF020000),
 209         OID_UNKNOWN(OID_INL_MEMADDR, 0xFF020001),
 210         OID_UNKNOWN(OID_INL_MEMORY, 0xFF020002),
 211         OID_U32_C(OID_INL_MODE, 0xFF020003),
 212         OID_UNKNOWN(OID_INL_COMPONENT_NR, 0xFF020004),
 213         OID_STRUCT(OID_INL_VERSION, 0xFF020005, u8[8], OID_TYPE_RAW),
 214         OID_UNKNOWN(OID_INL_INTERFACE_ID, 0xFF020006),
 215         OID_UNKNOWN(OID_INL_COMPONENT_ID, 0xFF020007),
 216         OID_U32_C(OID_INL_CONFIG, 0xFF020008),
 217         OID_U32_C(OID_INL_DOT11D_CONFORMANCE, 0xFF02000C),
 218         OID_U32(OID_INL_PHYCAPABILITIES, 0xFF02000D),
 219         OID_U32_C(OID_INL_OUTPUTPOWER, 0xFF02000F),
 220 
 221 };
 222 
 223 int
 224 mgt_init(islpci_private *priv)
 225 {
 226         int i;
 227 
 228         priv->mib = kcalloc(OID_NUM_LAST, sizeof (void *), GFP_KERNEL);
 229         if (!priv->mib)
 230                 return -ENOMEM;
 231 
 232         /* Alloc the cache */
 233         for (i = 0; i < OID_NUM_LAST; i++) {
 234                 if (isl_oid[i].flags & OID_FLAG_CACHED) {
 235                         priv->mib[i] = kcalloc(isl_oid[i].size,
 236                                                (isl_oid[i].range + 1),
 237                                                GFP_KERNEL);
 238                         if (!priv->mib[i])
 239                                 return -ENOMEM;
 240                 } else
 241                         priv->mib[i] = NULL;
 242         }
 243 
 244         init_rwsem(&priv->mib_sem);
 245         prism54_mib_init(priv);
 246 
 247         return 0;
 248 }
 249 
 250 void
 251 mgt_clean(islpci_private *priv)
 252 {
 253         int i;
 254 
 255         if (!priv->mib)
 256                 return;
 257         for (i = 0; i < OID_NUM_LAST; i++) {
 258                 kfree(priv->mib[i]);
 259                 priv->mib[i] = NULL;
 260         }
 261         kfree(priv->mib);
 262         priv->mib = NULL;
 263 }
 264 
 265 void
 266 mgt_le_to_cpu(int type, void *data)
 267 {
 268         switch (type) {
 269         case OID_TYPE_U32:
 270                 *(u32 *) data = le32_to_cpu(*(u32 *) data);
 271                 break;
 272         case OID_TYPE_BUFFER:{
 273                         struct obj_buffer *buff = data;
 274                         buff->size = le32_to_cpu(buff->size);
 275                         buff->addr = le32_to_cpu(buff->addr);
 276                         break;
 277                 }
 278         case OID_TYPE_BSS:{
 279                         struct obj_bss *bss = data;
 280                         bss->age = le16_to_cpu(bss->age);
 281                         bss->channel = le16_to_cpu(bss->channel);
 282                         bss->capinfo = le16_to_cpu(bss->capinfo);
 283                         bss->rates = le16_to_cpu(bss->rates);
 284                         bss->basic_rates = le16_to_cpu(bss->basic_rates);
 285                         break;
 286                 }
 287         case OID_TYPE_BSSLIST:{
 288                         struct obj_bsslist *list = data;
 289                         int i;
 290                         list->nr = le32_to_cpu(list->nr);
 291                         for (i = 0; i < list->nr; i++)
 292                                 mgt_le_to_cpu(OID_TYPE_BSS, &list->bsslist[i]);
 293                         break;
 294                 }
 295         case OID_TYPE_FREQUENCIES:{
 296                         struct obj_frequencies *freq = data;
 297                         int i;
 298                         freq->nr = le16_to_cpu(freq->nr);
 299                         for (i = 0; i < freq->nr; i++)
 300                                 freq->mhz[i] = le16_to_cpu(freq->mhz[i]);
 301                         break;
 302                 }
 303         case OID_TYPE_MLME:{
 304                         struct obj_mlme *mlme = data;
 305                         mlme->id = le16_to_cpu(mlme->id);
 306                         mlme->state = le16_to_cpu(mlme->state);
 307                         mlme->code = le16_to_cpu(mlme->code);
 308                         break;
 309                 }
 310         case OID_TYPE_MLMEEX:{
 311                         struct obj_mlmeex *mlme = data;
 312                         mlme->id = le16_to_cpu(mlme->id);
 313                         mlme->state = le16_to_cpu(mlme->state);
 314                         mlme->code = le16_to_cpu(mlme->code);
 315                         mlme->size = le16_to_cpu(mlme->size);
 316                         break;
 317                 }
 318         case OID_TYPE_ATTACH:{
 319                         struct obj_attachment *attach = data;
 320                         attach->id = le16_to_cpu(attach->id);
 321                         attach->size = le16_to_cpu(attach->size);
 322                         break;
 323         }
 324         case OID_TYPE_SSID:
 325         case OID_TYPE_KEY:
 326         case OID_TYPE_ADDR:
 327         case OID_TYPE_RAW:
 328                 break;
 329         default:
 330                 BUG();
 331         }
 332 }
 333 
 334 static void
 335 mgt_cpu_to_le(int type, void *data)
 336 {
 337         switch (type) {
 338         case OID_TYPE_U32:
 339                 *(u32 *) data = cpu_to_le32(*(u32 *) data);
 340                 break;
 341         case OID_TYPE_BUFFER:{
 342                         struct obj_buffer *buff = data;
 343                         buff->size = cpu_to_le32(buff->size);
 344                         buff->addr = cpu_to_le32(buff->addr);
 345                         break;
 346                 }
 347         case OID_TYPE_BSS:{
 348                         struct obj_bss *bss = data;
 349                         bss->age = cpu_to_le16(bss->age);
 350                         bss->channel = cpu_to_le16(bss->channel);
 351                         bss->capinfo = cpu_to_le16(bss->capinfo);
 352                         bss->rates = cpu_to_le16(bss->rates);
 353                         bss->basic_rates = cpu_to_le16(bss->basic_rates);
 354                         break;
 355                 }
 356         case OID_TYPE_BSSLIST:{
 357                         struct obj_bsslist *list = data;
 358                         int i;
 359                         list->nr = cpu_to_le32(list->nr);
 360                         for (i = 0; i < list->nr; i++)
 361                                 mgt_cpu_to_le(OID_TYPE_BSS, &list->bsslist[i]);
 362                         break;
 363                 }
 364         case OID_TYPE_FREQUENCIES:{
 365                         struct obj_frequencies *freq = data;
 366                         int i;
 367                         freq->nr = cpu_to_le16(freq->nr);
 368                         for (i = 0; i < freq->nr; i++)
 369                                 freq->mhz[i] = cpu_to_le16(freq->mhz[i]);
 370                         break;
 371                 }
 372         case OID_TYPE_MLME:{
 373                         struct obj_mlme *mlme = data;
 374                         mlme->id = cpu_to_le16(mlme->id);
 375                         mlme->state = cpu_to_le16(mlme->state);
 376                         mlme->code = cpu_to_le16(mlme->code);
 377                         break;
 378                 }
 379         case OID_TYPE_MLMEEX:{
 380                         struct obj_mlmeex *mlme = data;
 381                         mlme->id = cpu_to_le16(mlme->id);
 382                         mlme->state = cpu_to_le16(mlme->state);
 383                         mlme->code = cpu_to_le16(mlme->code);
 384                         mlme->size = cpu_to_le16(mlme->size);
 385                         break;
 386                 }
 387         case OID_TYPE_ATTACH:{
 388                         struct obj_attachment *attach = data;
 389                         attach->id = cpu_to_le16(attach->id);
 390                         attach->size = cpu_to_le16(attach->size);
 391                         break;
 392         }
 393         case OID_TYPE_SSID:
 394         case OID_TYPE_KEY:
 395         case OID_TYPE_ADDR:
 396         case OID_TYPE_RAW:
 397                 break;
 398         default:
 399                 BUG();
 400         }
 401 }
 402 
 403 /* Note : data is modified during this function */
 404 
 405 int
 406 mgt_set_request(islpci_private *priv, enum oid_num_t n, int extra, void *data)
 407 {
 408         int ret = 0;
 409         struct islpci_mgmtframe *response = NULL;
 410         int response_op = PIMFOR_OP_ERROR;
 411         int dlen;
 412         void *cache, *_data = data;
 413         u32 oid;
 414 
 415         BUG_ON(n >= OID_NUM_LAST);
 416         BUG_ON(extra > isl_oid[n].range);
 417 
 418         if (!priv->mib)
 419                 /* memory has been freed */
 420                 return -1;
 421 
 422         dlen = isl_oid[n].size;
 423         cache = priv->mib[n];
 424         cache += (cache ? extra * dlen : 0);
 425         oid = isl_oid[n].oid + extra;
 426 
 427         if (_data == NULL)
 428                 /* we are requested to re-set a cached value */
 429                 _data = cache;
 430         else
 431                 mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, _data);
 432         /* If we are going to write to the cache, we don't want anyone to read
 433          * it -> acquire write lock.
 434          * Else we could acquire a read lock to be sure we don't bother the
 435          * commit process (which takes a write lock). But I'm not sure if it's
 436          * needed.
 437          */
 438         if (cache)
 439                 down_write(&priv->mib_sem);
 440 
 441         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 442                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
 443                                              _data, dlen, &response);
 444                 if (!ret) {
 445                         response_op = response->header->operation;
 446                         islpci_mgt_release(response);
 447                 }
 448                 if (ret || response_op == PIMFOR_OP_ERROR)
 449                         ret = -EIO;
 450         } else if (!cache)
 451                 ret = -EIO;
 452 
 453         if (cache) {
 454                 if (!ret && data)
 455                         memcpy(cache, _data, dlen);
 456                 up_write(&priv->mib_sem);
 457         }
 458 
 459         /* re-set given data to what it was */
 460         if (data)
 461                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
 462 
 463         return ret;
 464 }
 465 
 466 /* None of these are cached */
 467 int
 468 mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len)
 469 {
 470         int ret = 0;
 471         struct islpci_mgmtframe *response;
 472         int response_op = PIMFOR_OP_ERROR;
 473         int dlen;
 474         u32 oid;
 475 
 476         BUG_ON(n >= OID_NUM_LAST);
 477 
 478         dlen = isl_oid[n].size;
 479         oid = isl_oid[n].oid;
 480 
 481         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, data);
 482 
 483         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 484                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, oid,
 485                                              data, dlen + extra_len, &response);
 486                 if (!ret) {
 487                         response_op = response->header->operation;
 488                         islpci_mgt_release(response);
 489                 }
 490                 if (ret || response_op == PIMFOR_OP_ERROR)
 491                         ret = -EIO;
 492         } else
 493                 ret = -EIO;
 494 
 495         /* re-set given data to what it was */
 496         if (data)
 497                 mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, data);
 498 
 499         return ret;
 500 }
 501 
 502 int
 503 mgt_get_request(islpci_private *priv, enum oid_num_t n, int extra, void *data,
 504                 union oid_res_t *res)
 505 {
 506 
 507         int ret = -EIO;
 508         int reslen = 0;
 509         struct islpci_mgmtframe *response = NULL;
 510 
 511         int dlen;
 512         void *cache, *_res = NULL;
 513         u32 oid;
 514 
 515         BUG_ON(n >= OID_NUM_LAST);
 516         BUG_ON(extra > isl_oid[n].range);
 517 
 518         res->ptr = NULL;
 519 
 520         if (!priv->mib)
 521                 /* memory has been freed */
 522                 return -1;
 523 
 524         dlen = isl_oid[n].size;
 525         cache = priv->mib[n];
 526         cache += cache ? extra * dlen : 0;
 527         oid = isl_oid[n].oid + extra;
 528         reslen = dlen;
 529 
 530         if (cache)
 531                 down_read(&priv->mib_sem);
 532 
 533         if (islpci_get_state(priv) >= PRV_STATE_READY) {
 534                 ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
 535                                              oid, data, dlen, &response);
 536                 if (ret || !response ||
 537                     response->header->operation == PIMFOR_OP_ERROR) {
 538                         if (response)
 539                                 islpci_mgt_release(response);
 540                         ret = -EIO;
 541                 }
 542                 if (!ret) {
 543                         _res = response->data;
 544                         reslen = response->header->length;
 545                 }
 546         } else if (cache) {
 547                 _res = cache;
 548                 ret = 0;
 549         }
 550         if ((isl_oid[n].flags & OID_FLAG_TYPE) == OID_TYPE_U32)
 551                 res->u = ret ? 0 : le32_to_cpu(*(u32 *) _res);
 552         else {
 553                 res->ptr = kmalloc(reslen, GFP_KERNEL);
 554                 BUG_ON(res->ptr == NULL);
 555                 if (ret)
 556                         memset(res->ptr, 0, reslen);
 557                 else {
 558                         memcpy(res->ptr, _res, reslen);
 559                         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE,
 560                                       res->ptr);
 561                 }
 562         }
 563         if (cache)
 564                 up_read(&priv->mib_sem);
 565 
 566         if (response && !ret)
 567                 islpci_mgt_release(response);
 568 
 569         if (reslen > isl_oid[n].size)
 570                 printk(KERN_DEBUG
 571                        "mgt_get_request(0x%x): received data length was bigger "
 572                        "than expected (%d > %d). Memory is probably corrupted...",
 573                        oid, reslen, isl_oid[n].size);
 574 
 575         return ret;
 576 }
 577 
 578 /* lock outside */
 579 int
 580 mgt_commit_list(islpci_private *priv, enum oid_num_t *l, int n)
 581 {
 582         int i, ret = 0;
 583         struct islpci_mgmtframe *response;
 584 
 585         for (i = 0; i < n; i++) {
 586                 struct oid_t *t = &(isl_oid[l[i]]);
 587                 void *data = priv->mib[l[i]];
 588                 int j = 0;
 589                 u32 oid = t->oid;
 590                 BUG_ON(data == NULL);
 591                 while (j <= t->range) {
 592                         int r = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
 593                                                       oid, data, t->size,
 594                                                       &response);
 595                         if (response) {
 596                                 r |= (response->header->operation == PIMFOR_OP_ERROR);
 597                                 islpci_mgt_release(response);
 598                         }
 599                         if (r)
 600                                 printk(KERN_ERR "%s: mgt_commit_list: failure. "
 601                                         "oid=%08x err=%d\n",
 602                                         priv->ndev->name, oid, r);
 603                         ret |= r;
 604                         j++;
 605                         oid++;
 606                         data += t->size;
 607                 }
 608         }
 609         return ret;
 610 }
 611 
 612 /* Lock outside */
 613 
 614 void
 615 mgt_set(islpci_private *priv, enum oid_num_t n, void *data)
 616 {
 617         BUG_ON(n >= OID_NUM_LAST);
 618         BUG_ON(priv->mib[n] == NULL);
 619 
 620         memcpy(priv->mib[n], data, isl_oid[n].size);
 621         mgt_cpu_to_le(isl_oid[n].flags & OID_FLAG_TYPE, priv->mib[n]);
 622 }
 623 
 624 void
 625 mgt_get(islpci_private *priv, enum oid_num_t n, void *res)
 626 {
 627         BUG_ON(n >= OID_NUM_LAST);
 628         BUG_ON(priv->mib[n] == NULL);
 629         BUG_ON(res == NULL);
 630 
 631         memcpy(res, priv->mib[n], isl_oid[n].size);
 632         mgt_le_to_cpu(isl_oid[n].flags & OID_FLAG_TYPE, res);
 633 }
 634 
 635 /* Commits the cache. Lock outside. */
 636 
 637 static enum oid_num_t commit_part1[] = {
 638         OID_INL_CONFIG,
 639         OID_INL_MODE,
 640         DOT11_OID_BSSTYPE,
 641         DOT11_OID_CHANNEL,
 642         DOT11_OID_MLMEAUTOLEVEL
 643 };
 644 
 645 static enum oid_num_t commit_part2[] = {
 646         DOT11_OID_SSID,
 647         DOT11_OID_PSMBUFFER,
 648         DOT11_OID_AUTHENABLE,
 649         DOT11_OID_PRIVACYINVOKED,
 650         DOT11_OID_EXUNENCRYPTED,
 651         DOT11_OID_DEFKEYX,      /* MULTIPLE */
 652         DOT11_OID_DEFKEYID,
 653         DOT11_OID_DOT1XENABLE,
 654         OID_INL_DOT11D_CONFORMANCE,
 655         /* Do not initialize this - fw < 1.0.4.3 rejects it
 656         OID_INL_OUTPUTPOWER,
 657         */
 658 };
 659 
 660 /* update the MAC addr. */
 661 static int
 662 mgt_update_addr(islpci_private *priv)
 663 {
 664         struct islpci_mgmtframe *res;
 665         int ret;
 666 
 667         ret = islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
 668                                      isl_oid[GEN_OID_MACADDRESS].oid, NULL,
 669                                      isl_oid[GEN_OID_MACADDRESS].size, &res);
 670 
 671         if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR))
 672                 memcpy(priv->ndev->dev_addr, res->data, ETH_ALEN);
 673         else
 674                 ret = -EIO;
 675         if (res)
 676                 islpci_mgt_release(res);
 677 
 678         if (ret)
 679                 printk(KERN_ERR "%s: mgt_update_addr: failure\n", priv->ndev->name);
 680         return ret;
 681 }
 682 
 683 int
 684 mgt_commit(islpci_private *priv)
 685 {
 686         int rvalue;
 687         enum oid_num_t u;
 688 
 689         if (islpci_get_state(priv) < PRV_STATE_INIT)
 690                 return 0;
 691 
 692         rvalue = mgt_commit_list(priv, commit_part1, ARRAY_SIZE(commit_part1));
 693 
 694         if (priv->iw_mode != IW_MODE_MONITOR)
 695                 rvalue |= mgt_commit_list(priv, commit_part2, ARRAY_SIZE(commit_part2));
 696 
 697         u = OID_INL_MODE;
 698         rvalue |= mgt_commit_list(priv, &u, 1);
 699         rvalue |= mgt_update_addr(priv);
 700 
 701         if (rvalue) {
 702                 /* some request have failed. The device might be in an
 703                    incoherent state. We should reset it ! */
 704                 printk(KERN_DEBUG "%s: mgt_commit: failure\n", priv->ndev->name);
 705         }
 706         return rvalue;
 707 }
 708 
 709 /* The following OIDs need to be "unlatched":
 710  *
 711  * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL
 712  * FREQUENCY,EXTENDEDRATES.
 713  *
 714  * The way to do this is to set ESSID. Note though that they may get
 715  * unlatch before though by setting another OID. */
 716 #if 0
 717 void
 718 mgt_unlatch_all(islpci_private *priv)
 719 {
 720         u32 u;
 721         int rvalue = 0;
 722 
 723         if (islpci_get_state(priv) < PRV_STATE_INIT)
 724                 return;
 725 
 726         u = DOT11_OID_SSID;
 727         rvalue = mgt_commit_list(priv, &u, 1);
 728         /* Necessary if in MANUAL RUN mode? */
 729 #if 0
 730         u = OID_INL_MODE;
 731         rvalue |= mgt_commit_list(priv, &u, 1);
 732 
 733         u = DOT11_OID_MLMEAUTOLEVEL;
 734         rvalue |= mgt_commit_list(priv, &u, 1);
 735 
 736         u = OID_INL_MODE;
 737         rvalue |= mgt_commit_list(priv, &u, 1);
 738 #endif
 739 
 740         if (rvalue)
 741                 printk(KERN_DEBUG "%s: Unlatching OIDs failed\n", priv->ndev->name);
 742 }
 743 #endif
 744 
 745 /* This will tell you if you are allowed to answer a mlme(ex) request .*/
 746 
 747 int
 748 mgt_mlme_answer(islpci_private *priv)
 749 {
 750         u32 mlmeautolevel;
 751         /* Acquire a read lock because if we are in a mode change, it's
 752          * possible to answer true, while the card is leaving master to managed
 753          * mode. Answering to a mlme in this situation could hang the card.
 754          */
 755         down_read(&priv->mib_sem);
 756         mlmeautolevel =
 757             le32_to_cpu(*(u32 *) priv->mib[DOT11_OID_MLMEAUTOLEVEL]);
 758         up_read(&priv->mib_sem);
 759 
 760         return ((priv->iw_mode == IW_MODE_MASTER) &&
 761                 (mlmeautolevel >= DOT11_MLME_INTERMEDIATE));
 762 }
 763 
 764 enum oid_num_t
 765 mgt_oidtonum(u32 oid)
 766 {
 767         int i;
 768 
 769         for (i = 0; i < OID_NUM_LAST; i++)
 770                 if (isl_oid[i].oid == oid)
 771                         return i;
 772 
 773         printk(KERN_DEBUG "looking for an unknown oid 0x%x", oid);
 774 
 775         return OID_NUM_LAST;
 776 }
 777 
 778 int
 779 mgt_response_to_str(enum oid_num_t n, union oid_res_t *r, char *str)
 780 {
 781         switch (isl_oid[n].flags & OID_FLAG_TYPE) {
 782         case OID_TYPE_U32:
 783                 return snprintf(str, PRIV_STR_SIZE, "%u\n", r->u);
 784         case OID_TYPE_BUFFER:{
 785                         struct obj_buffer *buff = r->ptr;
 786                         return snprintf(str, PRIV_STR_SIZE,
 787                                         "size=%u\naddr=0x%X\n", buff->size,
 788                                         buff->addr);
 789                 }
 790                 break;
 791         case OID_TYPE_BSS:{
 792                         struct obj_bss *bss = r->ptr;
 793                         return snprintf(str, PRIV_STR_SIZE,
 794                                         "age=%u\nchannel=%u\n"
 795                                         "capinfo=0x%X\nrates=0x%X\n"
 796                                         "basic_rates=0x%X\n", bss->age,
 797                                         bss->channel, bss->capinfo,
 798                                         bss->rates, bss->basic_rates);
 799                 }
 800                 break;
 801         case OID_TYPE_BSSLIST:{
 802                         struct obj_bsslist *list = r->ptr;
 803                         int i, k;
 804                         k = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", list->nr);
 805                         for (i = 0; i < list->nr; i++)
 806                                 k += snprintf(str + k, PRIV_STR_SIZE - k,
 807                                               "bss[%u] :\nage=%u\nchannel=%u\n"
 808                                               "capinfo=0x%X\nrates=0x%X\n"
 809                                               "basic_rates=0x%X\n",
 810                                               i, list->bsslist[i].age,
 811                                               list->bsslist[i].channel,
 812                                               list->bsslist[i].capinfo,
 813                                               list->bsslist[i].rates,
 814                                               list->bsslist[i].basic_rates);
 815                         return k;
 816                 }
 817                 break;
 818         case OID_TYPE_FREQUENCIES:{
 819                         struct obj_frequencies *freq = r->ptr;
 820                         int i, t;
 821                         printk("nr : %u\n", freq->nr);
 822                         t = snprintf(str, PRIV_STR_SIZE, "nr=%u\n", freq->nr);
 823                         for (i = 0; i < freq->nr; i++)
 824                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 825                                               "mhz[%u]=%u\n", i, freq->mhz[i]);
 826                         return t;
 827                 }
 828                 break;
 829         case OID_TYPE_MLME:{
 830                         struct obj_mlme *mlme = r->ptr;
 831                         return snprintf(str, PRIV_STR_SIZE,
 832                                         "id=0x%X\nstate=0x%X\ncode=0x%X\n",
 833                                         mlme->id, mlme->state, mlme->code);
 834                 }
 835                 break;
 836         case OID_TYPE_MLMEEX:{
 837                         struct obj_mlmeex *mlme = r->ptr;
 838                         return snprintf(str, PRIV_STR_SIZE,
 839                                         "id=0x%X\nstate=0x%X\n"
 840                                         "code=0x%X\nsize=0x%X\n", mlme->id,
 841                                         mlme->state, mlme->code, mlme->size);
 842                 }
 843                 break;
 844         case OID_TYPE_ATTACH:{
 845                         struct obj_attachment *attach = r->ptr;
 846                         return snprintf(str, PRIV_STR_SIZE,
 847                                         "id=%d\nsize=%d\n",
 848                                         attach->id,
 849                                         attach->size);
 850                 }
 851                 break;
 852         case OID_TYPE_SSID:{
 853                         struct obj_ssid *ssid = r->ptr;
 854                         return snprintf(str, PRIV_STR_SIZE,
 855                                         "length=%u\noctets=%.*s\n",
 856                                         ssid->length, ssid->length,
 857                                         ssid->octets);
 858                 }
 859                 break;
 860         case OID_TYPE_KEY:{
 861                         struct obj_key *key = r->ptr;
 862                         int t, i;
 863                         t = snprintf(str, PRIV_STR_SIZE,
 864                                      "type=0x%X\nlength=0x%X\nkey=0x",
 865                                      key->type, key->length);
 866                         for (i = 0; i < key->length; i++)
 867                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 868                                               "%02X:", key->key[i]);
 869                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
 870                         return t;
 871                 }
 872                 break;
 873         case OID_TYPE_RAW:
 874         case OID_TYPE_ADDR:{
 875                         unsigned char *buff = r->ptr;
 876                         int t, i;
 877                         t = snprintf(str, PRIV_STR_SIZE, "hex data=");
 878                         for (i = 0; i < isl_oid[n].size; i++)
 879                                 t += snprintf(str + t, PRIV_STR_SIZE - t,
 880                                               "%02X:", buff[i]);
 881                         t += snprintf(str + t, PRIV_STR_SIZE - t, "\n");
 882                         return t;
 883                 }
 884                 break;
 885         default:
 886                 BUG();
 887         }
 888         return 0;
 889 }

/* [<][>][^][v][top][bottom][index][help] */