linux/drivers/net/wireless/prism54/isl_ioctl.c
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   1/*
   2 *  Copyright (C) 2002 Intersil Americas Inc.
   3 *            (C) 2003,2004 Aurelien Alleaume <slts@free.fr>
   4 *            (C) 2003 Herbert Valerio Riedel <hvr@gnu.org>
   5 *            (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License as published by
   9 *  the Free Software Foundation; either version 2 of the License
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15 *
  16 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; if not, write to the Free Software
  18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 *
  20 */
  21
  22#include <linux/capability.h>
  23#include <linux/module.h>
  24#include <linux/kernel.h>
  25#include <linux/if_arp.h>
  26#include <linux/slab.h>
  27#include <linux/pci.h>
  28
  29#include <asm/uaccess.h>
  30
  31#include "prismcompat.h"
  32#include "isl_ioctl.h"
  33#include "islpci_mgt.h"
  34#include "isl_oid.h"            /* additional types and defs for isl38xx fw */
  35#include "oid_mgt.h"
  36
  37#include <net/iw_handler.h>     /* New driver API */
  38
  39#define KEY_SIZE_WEP104 13      /* 104/128-bit WEP keys */
  40#define KEY_SIZE_WEP40  5       /* 40/64-bit WEP keys */
  41/* KEY_SIZE_TKIP should match isl_oid.h, struct obj_key.key[] size */
  42#define KEY_SIZE_TKIP   32      /* TKIP keys */
  43
  44static void prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
  45                                u8 *wpa_ie, size_t wpa_ie_len);
  46static size_t prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie);
  47static int prism54_set_wpa(struct net_device *, struct iw_request_info *,
  48                                __u32 *, char *);
  49
  50/* In 500 kbps */
  51static const unsigned char scan_rate_list[] = { 2, 4, 11, 22,
  52                                                12, 18, 24, 36,
  53                                                48, 72, 96, 108 };
  54
  55/**
  56 * prism54_mib_mode_helper - MIB change mode helper function
  57 * @mib: the &struct islpci_mib object to modify
  58 * @iw_mode: new mode (%IW_MODE_*)
  59 *
  60 *  This is a helper function, hence it does not lock. Make sure
  61 *  caller deals with locking *if* necessary. This function sets the
  62 *  mode-dependent mib values and does the mapping of the Linux
  63 *  Wireless API modes to Device firmware modes. It also checks for
  64 *  correct valid Linux wireless modes.
  65 */
  66static int
  67prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode)
  68{
  69        u32 config = INL_CONFIG_MANUALRUN;
  70        u32 mode, bsstype;
  71
  72        /* For now, just catch early the Repeater and Secondary modes here */
  73        if (iw_mode == IW_MODE_REPEAT || iw_mode == IW_MODE_SECOND) {
  74                printk(KERN_DEBUG
  75                       "%s(): Sorry, Repeater mode and Secondary mode "
  76                       "are not yet supported by this driver.\n", __func__);
  77                return -EINVAL;
  78        }
  79
  80        priv->iw_mode = iw_mode;
  81
  82        switch (iw_mode) {
  83        case IW_MODE_AUTO:
  84                mode = INL_MODE_CLIENT;
  85                bsstype = DOT11_BSSTYPE_ANY;
  86                break;
  87        case IW_MODE_ADHOC:
  88                mode = INL_MODE_CLIENT;
  89                bsstype = DOT11_BSSTYPE_IBSS;
  90                break;
  91        case IW_MODE_INFRA:
  92                mode = INL_MODE_CLIENT;
  93                bsstype = DOT11_BSSTYPE_INFRA;
  94                break;
  95        case IW_MODE_MASTER:
  96                mode = INL_MODE_AP;
  97                bsstype = DOT11_BSSTYPE_INFRA;
  98                break;
  99        case IW_MODE_MONITOR:
 100                mode = INL_MODE_PROMISCUOUS;
 101                bsstype = DOT11_BSSTYPE_ANY;
 102                config |= INL_CONFIG_RXANNEX;
 103                break;
 104        default:
 105                return -EINVAL;
 106        }
 107
 108        if (init_wds)
 109                config |= INL_CONFIG_WDS;
 110        mgt_set(priv, DOT11_OID_BSSTYPE, &bsstype);
 111        mgt_set(priv, OID_INL_CONFIG, &config);
 112        mgt_set(priv, OID_INL_MODE, &mode);
 113
 114        return 0;
 115}
 116
 117/**
 118 * prism54_mib_init - fill MIB cache with defaults
 119 *
 120 *  this function initializes the struct given as @mib with defaults,
 121 *  of which many are retrieved from the global module parameter
 122 *  variables.
 123 */
 124
 125void
 126prism54_mib_init(islpci_private *priv)
 127{
 128        u32 channel, authen, wep, filter, dot1x, mlme, conformance, power, mode;
 129        struct obj_buffer psm_buffer = {
 130                .size = PSM_BUFFER_SIZE,
 131                .addr = priv->device_psm_buffer
 132        };
 133
 134        channel = CARD_DEFAULT_CHANNEL;
 135        authen = CARD_DEFAULT_AUTHEN;
 136        wep = CARD_DEFAULT_WEP;
 137        filter = CARD_DEFAULT_FILTER; /* (0) Do not filter un-encrypted data */
 138        dot1x = CARD_DEFAULT_DOT1X;
 139        mlme = CARD_DEFAULT_MLME_MODE;
 140        conformance = CARD_DEFAULT_CONFORMANCE;
 141        power = 127;
 142        mode = CARD_DEFAULT_IW_MODE;
 143
 144        mgt_set(priv, DOT11_OID_CHANNEL, &channel);
 145        mgt_set(priv, DOT11_OID_AUTHENABLE, &authen);
 146        mgt_set(priv, DOT11_OID_PRIVACYINVOKED, &wep);
 147        mgt_set(priv, DOT11_OID_PSMBUFFER, &psm_buffer);
 148        mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &filter);
 149        mgt_set(priv, DOT11_OID_DOT1XENABLE, &dot1x);
 150        mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlme);
 151        mgt_set(priv, OID_INL_DOT11D_CONFORMANCE, &conformance);
 152        mgt_set(priv, OID_INL_OUTPUTPOWER, &power);
 153
 154        /* This sets all of the mode-dependent values */
 155        prism54_mib_mode_helper(priv, mode);
 156}
 157
 158/* this will be executed outside of atomic context thanks to
 159 * schedule_work(), thus we can as well use sleeping semaphore
 160 * locking */
 161void
 162prism54_update_stats(struct work_struct *work)
 163{
 164        islpci_private *priv = container_of(work, islpci_private, stats_work);
 165        char *data;
 166        int j;
 167        struct obj_bss bss, *bss2;
 168        union oid_res_t r;
 169
 170        mutex_lock(&priv->stats_lock);
 171
 172/* Noise floor.
 173 * I'm not sure if the unit is dBm.
 174 * Note : If we are not connected, this value seems to be irrelevant. */
 175
 176        mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
 177        priv->local_iwstatistics.qual.noise = r.u;
 178
 179/* Get the rssi of the link. To do this we need to retrieve a bss. */
 180
 181        /* First get the MAC address of the AP we are associated with. */
 182        mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
 183        data = r.ptr;
 184
 185        /* copy this MAC to the bss */
 186        memcpy(bss.address, data, 6);
 187        kfree(data);
 188
 189        /* now ask for the corresponding bss */
 190        j = mgt_get_request(priv, DOT11_OID_BSSFIND, 0, (void *) &bss, &r);
 191        bss2 = r.ptr;
 192        /* report the rssi and use it to calculate
 193         *  link quality through a signal-noise
 194         *  ratio */
 195        priv->local_iwstatistics.qual.level = bss2->rssi;
 196        priv->local_iwstatistics.qual.qual =
 197            bss2->rssi - priv->iwstatistics.qual.noise;
 198
 199        kfree(bss2);
 200
 201        /* report that the stats are new */
 202        priv->local_iwstatistics.qual.updated = 0x7;
 203
 204/* Rx : unable to decrypt the MPDU */
 205        mgt_get_request(priv, DOT11_OID_PRIVRXFAILED, 0, NULL, &r);
 206        priv->local_iwstatistics.discard.code = r.u;
 207
 208/* Tx : Max MAC retries num reached */
 209        mgt_get_request(priv, DOT11_OID_MPDUTXFAILED, 0, NULL, &r);
 210        priv->local_iwstatistics.discard.retries = r.u;
 211
 212        mutex_unlock(&priv->stats_lock);
 213}
 214
 215struct iw_statistics *
 216prism54_get_wireless_stats(struct net_device *ndev)
 217{
 218        islpci_private *priv = netdev_priv(ndev);
 219
 220        /* If the stats are being updated return old data */
 221        if (mutex_trylock(&priv->stats_lock)) {
 222                memcpy(&priv->iwstatistics, &priv->local_iwstatistics,
 223                       sizeof (struct iw_statistics));
 224                /* They won't be marked updated for the next time */
 225                priv->local_iwstatistics.qual.updated = 0;
 226                mutex_unlock(&priv->stats_lock);
 227        } else
 228                priv->iwstatistics.qual.updated = 0;
 229
 230        /* Update our wireless stats, but do not schedule to often
 231         * (max 1 HZ) */
 232        if ((priv->stats_timestamp == 0) ||
 233            time_after(jiffies, priv->stats_timestamp + 1 * HZ)) {
 234                schedule_work(&priv->stats_work);
 235                priv->stats_timestamp = jiffies;
 236        }
 237
 238        return &priv->iwstatistics;
 239}
 240
 241static int
 242prism54_commit(struct net_device *ndev, struct iw_request_info *info,
 243               char *cwrq, char *extra)
 244{
 245        islpci_private *priv = netdev_priv(ndev);
 246
 247        /* simply re-set the last set SSID, this should commit most stuff */
 248
 249        /* Commit in Monitor mode is not necessary, also setting essid
 250         * in Monitor mode does not make sense and isn't allowed for this
 251         * device's firmware */
 252        if (priv->iw_mode != IW_MODE_MONITOR)
 253                return mgt_set_request(priv, DOT11_OID_SSID, 0, NULL);
 254        return 0;
 255}
 256
 257static int
 258prism54_get_name(struct net_device *ndev, struct iw_request_info *info,
 259                 char *cwrq, char *extra)
 260{
 261        islpci_private *priv = netdev_priv(ndev);
 262        char *capabilities;
 263        union oid_res_t r;
 264        int rvalue;
 265
 266        if (islpci_get_state(priv) < PRV_STATE_INIT) {
 267                strncpy(cwrq, "NOT READY!", IFNAMSIZ);
 268                return 0;
 269        }
 270        rvalue = mgt_get_request(priv, OID_INL_PHYCAPABILITIES, 0, NULL, &r);
 271
 272        switch (r.u) {
 273        case INL_PHYCAP_5000MHZ:
 274                capabilities = "IEEE 802.11a/b/g";
 275                break;
 276        case INL_PHYCAP_FAA:
 277                capabilities = "IEEE 802.11b/g - FAA Support";
 278                break;
 279        case INL_PHYCAP_2400MHZ:
 280        default:
 281                capabilities = "IEEE 802.11b/g";        /* Default */
 282                break;
 283        }
 284        strncpy(cwrq, capabilities, IFNAMSIZ);
 285        return rvalue;
 286}
 287
 288static int
 289prism54_set_freq(struct net_device *ndev, struct iw_request_info *info,
 290                 struct iw_freq *fwrq, char *extra)
 291{
 292        islpci_private *priv = netdev_priv(ndev);
 293        int rvalue;
 294        u32 c;
 295
 296        if (fwrq->m < 1000)
 297                /* we have a channel number */
 298                c = fwrq->m;
 299        else
 300                c = (fwrq->e == 1) ? channel_of_freq(fwrq->m / 100000) : 0;
 301
 302        rvalue = c ? mgt_set_request(priv, DOT11_OID_CHANNEL, 0, &c) : -EINVAL;
 303
 304        /* Call commit handler */
 305        return (rvalue ? rvalue : -EINPROGRESS);
 306}
 307
 308static int
 309prism54_get_freq(struct net_device *ndev, struct iw_request_info *info,
 310                 struct iw_freq *fwrq, char *extra)
 311{
 312        islpci_private *priv = netdev_priv(ndev);
 313        union oid_res_t r;
 314        int rvalue;
 315
 316        rvalue = mgt_get_request(priv, DOT11_OID_CHANNEL, 0, NULL, &r);
 317        fwrq->i = r.u;
 318        rvalue |= mgt_get_request(priv, DOT11_OID_FREQUENCY, 0, NULL, &r);
 319        fwrq->m = r.u;
 320        fwrq->e = 3;
 321
 322        return rvalue;
 323}
 324
 325static int
 326prism54_set_mode(struct net_device *ndev, struct iw_request_info *info,
 327                 __u32 * uwrq, char *extra)
 328{
 329        islpci_private *priv = netdev_priv(ndev);
 330        u32 mlmeautolevel = CARD_DEFAULT_MLME_MODE;
 331
 332        /* Let's see if the user passed a valid Linux Wireless mode */
 333        if (*uwrq > IW_MODE_MONITOR || *uwrq < IW_MODE_AUTO) {
 334                printk(KERN_DEBUG
 335                       "%s: %s() You passed a non-valid init_mode.\n",
 336                       priv->ndev->name, __func__);
 337                return -EINVAL;
 338        }
 339
 340        down_write(&priv->mib_sem);
 341
 342        if (prism54_mib_mode_helper(priv, *uwrq)) {
 343                up_write(&priv->mib_sem);
 344                return -EOPNOTSUPP;
 345        }
 346
 347        /* the ACL code needs an intermediate mlmeautolevel. The wpa stuff an
 348         * extended one.
 349         */
 350        if ((*uwrq == IW_MODE_MASTER) && (priv->acl.policy != MAC_POLICY_OPEN))
 351                mlmeautolevel = DOT11_MLME_INTERMEDIATE;
 352        if (priv->wpa)
 353                mlmeautolevel = DOT11_MLME_EXTENDED;
 354
 355        mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
 356
 357        if (mgt_commit(priv)) {
 358                up_write(&priv->mib_sem);
 359                return -EIO;
 360        }
 361        priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR)
 362            ? priv->monitor_type : ARPHRD_ETHER;
 363        up_write(&priv->mib_sem);
 364
 365        return 0;
 366}
 367
 368/* Use mib cache */
 369static int
 370prism54_get_mode(struct net_device *ndev, struct iw_request_info *info,
 371                 __u32 * uwrq, char *extra)
 372{
 373        islpci_private *priv = netdev_priv(ndev);
 374
 375        BUG_ON((priv->iw_mode < IW_MODE_AUTO) || (priv->iw_mode >
 376                                                  IW_MODE_MONITOR));
 377        *uwrq = priv->iw_mode;
 378
 379        return 0;
 380}
 381
 382/* we use DOT11_OID_EDTHRESHOLD. From what I guess the card will not try to
 383 * emit data if (sensitivity > rssi - noise) (in dBm).
 384 * prism54_set_sens does not seem to work.
 385 */
 386
 387static int
 388prism54_set_sens(struct net_device *ndev, struct iw_request_info *info,
 389                 struct iw_param *vwrq, char *extra)
 390{
 391        islpci_private *priv = netdev_priv(ndev);
 392        u32 sens;
 393
 394        /* by default  the card sets this to 20. */
 395        sens = vwrq->disabled ? 20 : vwrq->value;
 396
 397        return mgt_set_request(priv, DOT11_OID_EDTHRESHOLD, 0, &sens);
 398}
 399
 400static int
 401prism54_get_sens(struct net_device *ndev, struct iw_request_info *info,
 402                 struct iw_param *vwrq, char *extra)
 403{
 404        islpci_private *priv = netdev_priv(ndev);
 405        union oid_res_t r;
 406        int rvalue;
 407
 408        rvalue = mgt_get_request(priv, DOT11_OID_EDTHRESHOLD, 0, NULL, &r);
 409
 410        vwrq->value = r.u;
 411        vwrq->disabled = (vwrq->value == 0);
 412        vwrq->fixed = 1;
 413
 414        return rvalue;
 415}
 416
 417static int
 418prism54_get_range(struct net_device *ndev, struct iw_request_info *info,
 419                  struct iw_point *dwrq, char *extra)
 420{
 421        struct iw_range *range = (struct iw_range *) extra;
 422        islpci_private *priv = netdev_priv(ndev);
 423        u8 *data;
 424        int i, m, rvalue;
 425        struct obj_frequencies *freq;
 426        union oid_res_t r;
 427
 428        memset(range, 0, sizeof (struct iw_range));
 429        dwrq->length = sizeof (struct iw_range);
 430
 431        /* set the wireless extension version number */
 432        range->we_version_source = SUPPORTED_WIRELESS_EXT;
 433        range->we_version_compiled = WIRELESS_EXT;
 434
 435        /* Now the encoding capabilities */
 436        range->num_encoding_sizes = 3;
 437        /* 64(40) bits WEP */
 438        range->encoding_size[0] = 5;
 439        /* 128(104) bits WEP */
 440        range->encoding_size[1] = 13;
 441        /* 256 bits for WPA-PSK */
 442        range->encoding_size[2] = 32;
 443        /* 4 keys are allowed */
 444        range->max_encoding_tokens = 4;
 445
 446        /* we don't know the quality range... */
 447        range->max_qual.level = 0;
 448        range->max_qual.noise = 0;
 449        range->max_qual.qual = 0;
 450        /* these value describe an average quality. Needs more tweaking... */
 451        range->avg_qual.level = -80;    /* -80 dBm */
 452        range->avg_qual.noise = 0;      /* don't know what to put here */
 453        range->avg_qual.qual = 0;
 454
 455        range->sensitivity = 200;
 456
 457        /* retry limit capabilities */
 458        range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
 459        range->retry_flags = IW_RETRY_LIMIT;
 460        range->r_time_flags = IW_RETRY_LIFETIME;
 461
 462        /* I don't know the range. Put stupid things here */
 463        range->min_retry = 1;
 464        range->max_retry = 65535;
 465        range->min_r_time = 1024;
 466        range->max_r_time = 65535 * 1024;
 467
 468        /* txpower is supported in dBm's */
 469        range->txpower_capa = IW_TXPOW_DBM;
 470
 471        /* Event capability (kernel + driver) */
 472        range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
 473        IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
 474        IW_EVENT_CAPA_MASK(SIOCGIWAP));
 475        range->event_capa[1] = IW_EVENT_CAPA_K_1;
 476        range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVCUSTOM);
 477
 478        range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
 479                IW_ENC_CAPA_CIPHER_TKIP;
 480
 481        if (islpci_get_state(priv) < PRV_STATE_INIT)
 482                return 0;
 483
 484        /* Request the device for the supported frequencies
 485         * not really relevant since some devices will report the 5 GHz band
 486         * frequencies even if they don't support them.
 487         */
 488        rvalue =
 489            mgt_get_request(priv, DOT11_OID_SUPPORTEDFREQUENCIES, 0, NULL, &r);
 490        freq = r.ptr;
 491
 492        range->num_channels = freq->nr;
 493        range->num_frequency = freq->nr;
 494
 495        m = min(IW_MAX_FREQUENCIES, (int) freq->nr);
 496        for (i = 0; i < m; i++) {
 497                range->freq[i].m = freq->mhz[i];
 498                range->freq[i].e = 6;
 499                range->freq[i].i = channel_of_freq(freq->mhz[i]);
 500        }
 501        kfree(freq);
 502
 503        rvalue |= mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
 504        data = r.ptr;
 505
 506        /* We got an array of char. It is NULL terminated. */
 507        i = 0;
 508        while ((i < IW_MAX_BITRATES) && (*data != 0)) {
 509                /*       the result must be in bps. The card gives us 500Kbps */
 510                range->bitrate[i] = *data * 500000;
 511                i++;
 512                data++;
 513        }
 514        range->num_bitrates = i;
 515        kfree(r.ptr);
 516
 517        return rvalue;
 518}
 519
 520/* Set AP address*/
 521
 522static int
 523prism54_set_wap(struct net_device *ndev, struct iw_request_info *info,
 524                struct sockaddr *awrq, char *extra)
 525{
 526        islpci_private *priv = netdev_priv(ndev);
 527        char bssid[6];
 528        int rvalue;
 529
 530        if (awrq->sa_family != ARPHRD_ETHER)
 531                return -EINVAL;
 532
 533        /* prepare the structure for the set object */
 534        memcpy(&bssid[0], awrq->sa_data, 6);
 535
 536        /* set the bssid -- does this make sense when in AP mode? */
 537        rvalue = mgt_set_request(priv, DOT11_OID_BSSID, 0, &bssid);
 538
 539        return (rvalue ? rvalue : -EINPROGRESS);        /* Call commit handler */
 540}
 541
 542/* get AP address*/
 543
 544static int
 545prism54_get_wap(struct net_device *ndev, struct iw_request_info *info,
 546                struct sockaddr *awrq, char *extra)
 547{
 548        islpci_private *priv = netdev_priv(ndev);
 549        union oid_res_t r;
 550        int rvalue;
 551
 552        rvalue = mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r);
 553        memcpy(awrq->sa_data, r.ptr, 6);
 554        awrq->sa_family = ARPHRD_ETHER;
 555        kfree(r.ptr);
 556
 557        return rvalue;
 558}
 559
 560static int
 561prism54_set_scan(struct net_device *dev, struct iw_request_info *info,
 562                 struct iw_param *vwrq, char *extra)
 563{
 564        /* hehe the device does this automagicaly */
 565        return 0;
 566}
 567
 568/* a little helper that will translate our data into a card independent
 569 * format that the Wireless Tools will understand. This was inspired by
 570 * the "Aironet driver for 4500 and 4800 series cards" (GPL)
 571 */
 572
 573static char *
 574prism54_translate_bss(struct net_device *ndev, struct iw_request_info *info,
 575                      char *current_ev, char *end_buf, struct obj_bss *bss,
 576                      char noise)
 577{
 578        struct iw_event iwe;    /* Temporary buffer */
 579        short cap;
 580        islpci_private *priv = netdev_priv(ndev);
 581        u8 wpa_ie[MAX_WPA_IE_LEN];
 582        size_t wpa_ie_len;
 583
 584        /* The first entry must be the MAC address */
 585        memcpy(iwe.u.ap_addr.sa_data, bss->address, 6);
 586        iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
 587        iwe.cmd = SIOCGIWAP;
 588        current_ev = iwe_stream_add_event(info, current_ev, end_buf,
 589                                          &iwe, IW_EV_ADDR_LEN);
 590
 591        /* The following entries will be displayed in the same order we give them */
 592
 593        /* The ESSID. */
 594        iwe.u.data.length = bss->ssid.length;
 595        iwe.u.data.flags = 1;
 596        iwe.cmd = SIOCGIWESSID;
 597        current_ev = iwe_stream_add_point(info, current_ev, end_buf,
 598                                          &iwe, bss->ssid.octets);
 599
 600        /* Capabilities */
 601#define CAP_ESS 0x01
 602#define CAP_IBSS 0x02
 603#define CAP_CRYPT 0x10
 604
 605        /* Mode */
 606        cap = bss->capinfo;
 607        iwe.u.mode = 0;
 608        if (cap & CAP_ESS)
 609                iwe.u.mode = IW_MODE_MASTER;
 610        else if (cap & CAP_IBSS)
 611                iwe.u.mode = IW_MODE_ADHOC;
 612        iwe.cmd = SIOCGIWMODE;
 613        if (iwe.u.mode)
 614                current_ev = iwe_stream_add_event(info, current_ev, end_buf,
 615                                                  &iwe, IW_EV_UINT_LEN);
 616
 617        /* Encryption capability */
 618        if (cap & CAP_CRYPT)
 619                iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
 620        else
 621                iwe.u.data.flags = IW_ENCODE_DISABLED;
 622        iwe.u.data.length = 0;
 623        iwe.cmd = SIOCGIWENCODE;
 624        current_ev = iwe_stream_add_point(info, current_ev, end_buf,
 625                                          &iwe, NULL);
 626
 627        /* Add frequency. (short) bss->channel is the frequency in MHz */
 628        iwe.u.freq.m = bss->channel;
 629        iwe.u.freq.e = 6;
 630        iwe.cmd = SIOCGIWFREQ;
 631        current_ev = iwe_stream_add_event(info, current_ev, end_buf,
 632                                          &iwe, IW_EV_FREQ_LEN);
 633
 634        /* Add quality statistics */
 635        iwe.u.qual.level = bss->rssi;
 636        iwe.u.qual.noise = noise;
 637        /* do a simple SNR for quality */
 638        iwe.u.qual.qual = bss->rssi - noise;
 639        iwe.cmd = IWEVQUAL;
 640        current_ev = iwe_stream_add_event(info, current_ev, end_buf,
 641                                          &iwe, IW_EV_QUAL_LEN);
 642
 643        /* Add WPA/RSN Information Element, if any */
 644        wpa_ie_len = prism54_wpa_bss_ie_get(priv, bss->address, wpa_ie);
 645        if (wpa_ie_len > 0) {
 646                iwe.cmd = IWEVGENIE;
 647                iwe.u.data.length = min(wpa_ie_len, (size_t)MAX_WPA_IE_LEN);
 648                current_ev = iwe_stream_add_point(info, current_ev, end_buf,
 649                                                  &iwe, wpa_ie);
 650        }
 651        /* Do the bitrates */
 652        {
 653                char *current_val = current_ev + iwe_stream_lcp_len(info);
 654                int i;
 655                int mask;
 656
 657                iwe.cmd = SIOCGIWRATE;
 658                /* Those two flags are ignored... */
 659                iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
 660
 661                /* Parse the bitmask */
 662                mask = 0x1;
 663                for(i = 0; i < sizeof(scan_rate_list); i++) {
 664                        if(bss->rates & mask) {
 665                                iwe.u.bitrate.value = (scan_rate_list[i] * 500000);
 666                                current_val = iwe_stream_add_value(
 667                                        info, current_ev, current_val,
 668                                        end_buf, &iwe, IW_EV_PARAM_LEN);
 669                        }
 670                        mask <<= 1;
 671                }
 672                /* Check if we added any event */
 673                if ((current_val - current_ev) > iwe_stream_lcp_len(info))
 674                        current_ev = current_val;
 675        }
 676
 677        return current_ev;
 678}
 679
 680static int
 681prism54_get_scan(struct net_device *ndev, struct iw_request_info *info,
 682                 struct iw_point *dwrq, char *extra)
 683{
 684        islpci_private *priv = netdev_priv(ndev);
 685        int i, rvalue;
 686        struct obj_bsslist *bsslist;
 687        u32 noise = 0;
 688        char *current_ev = extra;
 689        union oid_res_t r;
 690
 691        if (islpci_get_state(priv) < PRV_STATE_INIT) {
 692                /* device is not ready, fail gently */
 693                dwrq->length = 0;
 694                return 0;
 695        }
 696
 697        /* first get the noise value. We will use it to report the link quality */
 698        rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r);
 699        noise = r.u;
 700
 701        /* Ask the device for a list of known bss.
 702        * The old API, using SIOCGIWAPLIST, had a hard limit of IW_MAX_AP=64.
 703        * The new API, using SIOCGIWSCAN, is only limited by the buffer size.
 704        * WE-14->WE-16, the buffer is limited to IW_SCAN_MAX_DATA bytes.
 705        * Starting with WE-17, the buffer can be as big as needed.
 706        * But the device won't repport anything if you change the value
 707        * of IWMAX_BSS=24. */
 708
 709        rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r);
 710        bsslist = r.ptr;
 711
 712        /* ok now, scan the list and translate its info */
 713        for (i = 0; i < (int) bsslist->nr; i++) {
 714                current_ev = prism54_translate_bss(ndev, info, current_ev,
 715                                                   extra + dwrq->length,
 716                                                   &(bsslist->bsslist[i]),
 717                                                   noise);
 718
 719                /* Check if there is space for one more entry */
 720                if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) {
 721                        /* Ask user space to try again with a bigger buffer */
 722                        rvalue = -E2BIG;
 723                        break;
 724                }
 725        }
 726
 727        kfree(bsslist);
 728        dwrq->length = (current_ev - extra);
 729        dwrq->flags = 0;        /* todo */
 730
 731        return rvalue;
 732}
 733
 734static int
 735prism54_set_essid(struct net_device *ndev, struct iw_request_info *info,
 736                  struct iw_point *dwrq, char *extra)
 737{
 738        islpci_private *priv = netdev_priv(ndev);
 739        struct obj_ssid essid;
 740
 741        memset(essid.octets, 0, 33);
 742
 743        /* Check if we were asked for `any' */
 744        if (dwrq->flags && dwrq->length) {
 745                if (dwrq->length > 32)
 746                        return -E2BIG;
 747                essid.length = dwrq->length;
 748                memcpy(essid.octets, extra, dwrq->length);
 749        } else
 750                essid.length = 0;
 751
 752        if (priv->iw_mode != IW_MODE_MONITOR)
 753                return mgt_set_request(priv, DOT11_OID_SSID, 0, &essid);
 754
 755        /* If in monitor mode, just save to mib */
 756        mgt_set(priv, DOT11_OID_SSID, &essid);
 757        return 0;
 758
 759}
 760
 761static int
 762prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
 763                  struct iw_point *dwrq, char *extra)
 764{
 765        islpci_private *priv = netdev_priv(ndev);
 766        struct obj_ssid *essid;
 767        union oid_res_t r;
 768        int rvalue;
 769
 770        rvalue = mgt_get_request(priv, DOT11_OID_SSID, 0, NULL, &r);
 771        essid = r.ptr;
 772
 773        if (essid->length) {
 774                dwrq->flags = 1;        /* set ESSID to ON for Wireless Extensions */
 775                /* if it is too big, trunk it */
 776                dwrq->length = min((u8)IW_ESSID_MAX_SIZE, essid->length);
 777        } else {
 778                dwrq->flags = 0;
 779                dwrq->length = 0;
 780        }
 781        essid->octets[dwrq->length] = '\0';
 782        memcpy(extra, essid->octets, dwrq->length);
 783        kfree(essid);
 784
 785        return rvalue;
 786}
 787
 788/* Provides no functionality, just completes the ioctl. In essence this is a
 789 * just a cosmetic ioctl.
 790 */
 791static int
 792prism54_set_nick(struct net_device *ndev, struct iw_request_info *info,
 793                 struct iw_point *dwrq, char *extra)
 794{
 795        islpci_private *priv = netdev_priv(ndev);
 796
 797        if (dwrq->length > IW_ESSID_MAX_SIZE)
 798                return -E2BIG;
 799
 800        down_write(&priv->mib_sem);
 801        memset(priv->nickname, 0, sizeof (priv->nickname));
 802        memcpy(priv->nickname, extra, dwrq->length);
 803        up_write(&priv->mib_sem);
 804
 805        return 0;
 806}
 807
 808static int
 809prism54_get_nick(struct net_device *ndev, struct iw_request_info *info,
 810                 struct iw_point *dwrq, char *extra)
 811{
 812        islpci_private *priv = netdev_priv(ndev);
 813
 814        dwrq->length = 0;
 815
 816        down_read(&priv->mib_sem);
 817        dwrq->length = strlen(priv->nickname);
 818        memcpy(extra, priv->nickname, dwrq->length);
 819        up_read(&priv->mib_sem);
 820
 821        return 0;
 822}
 823
 824/* Set the allowed Bitrates */
 825
 826static int
 827prism54_set_rate(struct net_device *ndev,
 828                 struct iw_request_info *info,
 829                 struct iw_param *vwrq, char *extra)
 830{
 831
 832        islpci_private *priv = netdev_priv(ndev);
 833        u32 rate, profile;
 834        char *data;
 835        int ret, i;
 836        union oid_res_t r;
 837
 838        if (vwrq->value == -1) {
 839                /* auto mode. No limit. */
 840                profile = 1;
 841                return mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
 842        }
 843
 844        ret = mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r);
 845        if (ret) {
 846                kfree(r.ptr);
 847                return ret;
 848        }
 849
 850        rate = (u32) (vwrq->value / 500000);
 851        data = r.ptr;
 852        i = 0;
 853
 854        while (data[i]) {
 855                if (rate && (data[i] == rate)) {
 856                        break;
 857                }
 858                if (vwrq->value == i) {
 859                        break;
 860                }
 861                data[i] |= 0x80;
 862                i++;
 863        }
 864
 865        if (!data[i]) {
 866                kfree(r.ptr);
 867                return -EINVAL;
 868        }
 869
 870        data[i] |= 0x80;
 871        data[i + 1] = 0;
 872
 873        /* Now, check if we want a fixed or auto value */
 874        if (vwrq->fixed) {
 875                data[0] = data[i];
 876                data[1] = 0;
 877        }
 878
 879/*
 880        i = 0;
 881        printk("prism54 rate: ");
 882        while(data[i]) {
 883                printk("%u ", data[i]);
 884                i++;
 885        }
 886        printk("0\n");
 887*/
 888        profile = -1;
 889        ret = mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile);
 890        ret |= mgt_set_request(priv, DOT11_OID_EXTENDEDRATES, 0, data);
 891        ret |= mgt_set_request(priv, DOT11_OID_RATES, 0, data);
 892
 893        kfree(r.ptr);
 894
 895        return ret;
 896}
 897
 898/* Get the current bit rate */
 899static int
 900prism54_get_rate(struct net_device *ndev,
 901                 struct iw_request_info *info,
 902                 struct iw_param *vwrq, char *extra)
 903{
 904        islpci_private *priv = netdev_priv(ndev);
 905        int rvalue;
 906        char *data;
 907        union oid_res_t r;
 908
 909        /* Get the current bit rate */
 910        if ((rvalue = mgt_get_request(priv, GEN_OID_LINKSTATE, 0, NULL, &r)))
 911                return rvalue;
 912        vwrq->value = r.u * 500000;
 913
 914        /* request the device for the enabled rates */
 915        rvalue = mgt_get_request(priv, DOT11_OID_RATES, 0, NULL, &r);
 916        if (rvalue) {
 917                kfree(r.ptr);
 918                return rvalue;
 919        }
 920        data = r.ptr;
 921        vwrq->fixed = (data[0] != 0) && (data[1] == 0);
 922        kfree(r.ptr);
 923
 924        return 0;
 925}
 926
 927static int
 928prism54_set_rts(struct net_device *ndev, struct iw_request_info *info,
 929                struct iw_param *vwrq, char *extra)
 930{
 931        islpci_private *priv = netdev_priv(ndev);
 932
 933        return mgt_set_request(priv, DOT11_OID_RTSTHRESH, 0, &vwrq->value);
 934}
 935
 936static int
 937prism54_get_rts(struct net_device *ndev, struct iw_request_info *info,
 938                struct iw_param *vwrq, char *extra)
 939{
 940        islpci_private *priv = netdev_priv(ndev);
 941        union oid_res_t r;
 942        int rvalue;
 943
 944        /* get the rts threshold */
 945        rvalue = mgt_get_request(priv, DOT11_OID_RTSTHRESH, 0, NULL, &r);
 946        vwrq->value = r.u;
 947
 948        return rvalue;
 949}
 950
 951static int
 952prism54_set_frag(struct net_device *ndev, struct iw_request_info *info,
 953                 struct iw_param *vwrq, char *extra)
 954{
 955        islpci_private *priv = netdev_priv(ndev);
 956
 957        return mgt_set_request(priv, DOT11_OID_FRAGTHRESH, 0, &vwrq->value);
 958}
 959
 960static int
 961prism54_get_frag(struct net_device *ndev, struct iw_request_info *info,
 962                 struct iw_param *vwrq, char *extra)
 963{
 964        islpci_private *priv = netdev_priv(ndev);
 965        union oid_res_t r;
 966        int rvalue;
 967
 968        rvalue = mgt_get_request(priv, DOT11_OID_FRAGTHRESH, 0, NULL, &r);
 969        vwrq->value = r.u;
 970
 971        return rvalue;
 972}
 973
 974/* Here we have (min,max) = max retries for (small frames, big frames). Where
 975 * big frame <=>  bigger than the rts threshold
 976 * small frame <=>  smaller than the rts threshold
 977 * This is not really the behavior expected by the wireless tool but it seems
 978 * to be a common behavior in other drivers.
 979 */
 980
 981static int
 982prism54_set_retry(struct net_device *ndev, struct iw_request_info *info,
 983                  struct iw_param *vwrq, char *extra)
 984{
 985        islpci_private *priv = netdev_priv(ndev);
 986        u32 slimit = 0, llimit = 0;     /* short and long limit */
 987        u32 lifetime = 0;
 988        int rvalue = 0;
 989
 990        if (vwrq->disabled)
 991                /* we cannot disable this feature */
 992                return -EINVAL;
 993
 994        if (vwrq->flags & IW_RETRY_LIMIT) {
 995                if (vwrq->flags & IW_RETRY_SHORT)
 996                        slimit = vwrq->value;
 997                else if (vwrq->flags & IW_RETRY_LONG)
 998                        llimit = vwrq->value;
 999                else {
1000                        /* we are asked to set both */
1001                        slimit = vwrq->value;
1002                        llimit = vwrq->value;
1003                }
1004        }
1005        if (vwrq->flags & IW_RETRY_LIFETIME)
1006                /* Wireless tools use us unit while the device uses 1024 us unit */
1007                lifetime = vwrq->value / 1024;
1008
1009        /* now set what is requested */
1010        if (slimit)
1011                rvalue =
1012                    mgt_set_request(priv, DOT11_OID_SHORTRETRIES, 0, &slimit);
1013        if (llimit)
1014                rvalue |=
1015                    mgt_set_request(priv, DOT11_OID_LONGRETRIES, 0, &llimit);
1016        if (lifetime)
1017                rvalue |=
1018                    mgt_set_request(priv, DOT11_OID_MAXTXLIFETIME, 0,
1019                                    &lifetime);
1020        return rvalue;
1021}
1022
1023static int
1024prism54_get_retry(struct net_device *ndev, struct iw_request_info *info,
1025                  struct iw_param *vwrq, char *extra)
1026{
1027        islpci_private *priv = netdev_priv(ndev);
1028        union oid_res_t r;
1029        int rvalue = 0;
1030        vwrq->disabled = 0;     /* It cannot be disabled */
1031
1032        if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1033                /* we are asked for the life time */
1034                rvalue =
1035                    mgt_get_request(priv, DOT11_OID_MAXTXLIFETIME, 0, NULL, &r);
1036                vwrq->value = r.u * 1024;
1037                vwrq->flags = IW_RETRY_LIFETIME;
1038        } else if ((vwrq->flags & IW_RETRY_LONG)) {
1039                /* we are asked for the long retry limit */
1040                rvalue |=
1041                    mgt_get_request(priv, DOT11_OID_LONGRETRIES, 0, NULL, &r);
1042                vwrq->value = r.u;
1043                vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1044        } else {
1045                /* default. get the  short retry limit */
1046                rvalue |=
1047                    mgt_get_request(priv, DOT11_OID_SHORTRETRIES, 0, NULL, &r);
1048                vwrq->value = r.u;
1049                vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
1050        }
1051
1052        return rvalue;
1053}
1054
1055static int
1056prism54_set_encode(struct net_device *ndev, struct iw_request_info *info,
1057                   struct iw_point *dwrq, char *extra)
1058{
1059        islpci_private *priv = netdev_priv(ndev);
1060        int rvalue = 0, force = 0;
1061        int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
1062        union oid_res_t r;
1063
1064        /* with the new API, it's impossible to get a NULL pointer.
1065         * New version of iwconfig set the IW_ENCODE_NOKEY flag
1066         * when no key is given, but older versions don't. */
1067
1068        if (dwrq->length > 0) {
1069                /* we have a key to set */
1070                int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1071                int current_index;
1072                struct obj_key key = { DOT11_PRIV_WEP, 0, "" };
1073
1074                /* get the current key index */
1075                rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1076                current_index = r.u;
1077                /* Verify that the key is not marked as invalid */
1078                if (!(dwrq->flags & IW_ENCODE_NOKEY)) {
1079                        if (dwrq->length > KEY_SIZE_TKIP) {
1080                                /* User-provided key data too big */
1081                                return -EINVAL;
1082                        }
1083                        if (dwrq->length > KEY_SIZE_WEP104) {
1084                                /* WPA-PSK TKIP */
1085                                key.type = DOT11_PRIV_TKIP;
1086                                key.length = KEY_SIZE_TKIP;
1087                        } else if (dwrq->length > KEY_SIZE_WEP40) {
1088                                /* WEP 104/128 */
1089                                key.length = KEY_SIZE_WEP104;
1090                        } else {
1091                                /* WEP 40/64 */
1092                                key.length = KEY_SIZE_WEP40;
1093                        }
1094                        memset(key.key, 0, sizeof (key.key));
1095                        memcpy(key.key, extra, dwrq->length);
1096
1097                        if ((index < 0) || (index > 3))
1098                                /* no index provided use the current one */
1099                                index = current_index;
1100
1101                        /* now send the key to the card  */
1102                        rvalue |=
1103                            mgt_set_request(priv, DOT11_OID_DEFKEYX, index,
1104                                            &key);
1105                }
1106                /*
1107                 * If a valid key is set, encryption should be enabled
1108                 * (user may turn it off later).
1109                 * This is also how "iwconfig ethX key on" works
1110                 */
1111                if ((index == current_index) && (key.length > 0))
1112                        force = 1;
1113        } else {
1114                int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1115                if ((index >= 0) && (index <= 3)) {
1116                        /* we want to set the key index */
1117                        rvalue |=
1118                            mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
1119                                            &index);
1120                } else {
1121                        if (!(dwrq->flags & IW_ENCODE_MODE)) {
1122                                /* we cannot do anything. Complain. */
1123                                return -EINVAL;
1124                        }
1125                }
1126        }
1127        /* now read the flags */
1128        if (dwrq->flags & IW_ENCODE_DISABLED) {
1129                /* Encoding disabled,
1130                 * authen = DOT11_AUTH_OS;
1131                 * invoke = 0;
1132                 * exunencrypt = 0; */
1133        }
1134        if (dwrq->flags & IW_ENCODE_OPEN)
1135                /* Encode but accept non-encoded packets. No auth */
1136                invoke = 1;
1137        if ((dwrq->flags & IW_ENCODE_RESTRICTED) || force) {
1138                /* Refuse non-encoded packets. Auth */
1139                authen = DOT11_AUTH_BOTH;
1140                invoke = 1;
1141                exunencrypt = 1;
1142        }
1143        /* do the change if requested  */
1144        if ((dwrq->flags & IW_ENCODE_MODE) || force) {
1145                rvalue |=
1146                    mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
1147                rvalue |=
1148                    mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke);
1149                rvalue |=
1150                    mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
1151                                    &exunencrypt);
1152        }
1153        return rvalue;
1154}
1155
1156static int
1157prism54_get_encode(struct net_device *ndev, struct iw_request_info *info,
1158                   struct iw_point *dwrq, char *extra)
1159{
1160        islpci_private *priv = netdev_priv(ndev);
1161        struct obj_key *key;
1162        u32 devindex, index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1163        u32 authen = 0, invoke = 0, exunencrypt = 0;
1164        int rvalue;
1165        union oid_res_t r;
1166
1167        /* first get the flags */
1168        rvalue = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1169        authen = r.u;
1170        rvalue |= mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1171        invoke = r.u;
1172        rvalue |= mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1173        exunencrypt = r.u;
1174
1175        if (invoke && (authen == DOT11_AUTH_BOTH) && exunencrypt)
1176                dwrq->flags = IW_ENCODE_RESTRICTED;
1177        else if ((authen == DOT11_AUTH_OS) && !exunencrypt) {
1178                if (invoke)
1179                        dwrq->flags = IW_ENCODE_OPEN;
1180                else
1181                        dwrq->flags = IW_ENCODE_DISABLED;
1182        } else
1183                /* The card should not work in this state */
1184                dwrq->flags = 0;
1185
1186        /* get the current device key index */
1187        rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1188        devindex = r.u;
1189        /* Now get the key, return it */
1190        if (index == -1 || index > 3)
1191                /* no index provided, use the current one */
1192                index = devindex;
1193        rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r);
1194        key = r.ptr;
1195        dwrq->length = key->length;
1196        memcpy(extra, key->key, dwrq->length);
1197        kfree(key);
1198        /* return the used key index */
1199        dwrq->flags |= devindex + 1;
1200
1201        return rvalue;
1202}
1203
1204static int
1205prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info,
1206                    struct iw_param *vwrq, char *extra)
1207{
1208        islpci_private *priv = netdev_priv(ndev);
1209        union oid_res_t r;
1210        int rvalue;
1211
1212        rvalue = mgt_get_request(priv, OID_INL_OUTPUTPOWER, 0, NULL, &r);
1213        /* intersil firmware operates in 0.25 dBm (1/4 dBm) */
1214        vwrq->value = (s32) r.u / 4;
1215        vwrq->fixed = 1;
1216        /* radio is not turned of
1217         * btw: how is possible to turn off only the radio
1218         */
1219        vwrq->disabled = 0;
1220
1221        return rvalue;
1222}
1223
1224static int
1225prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info,
1226                    struct iw_param *vwrq, char *extra)
1227{
1228        islpci_private *priv = netdev_priv(ndev);
1229        s32 u = vwrq->value;
1230
1231        /* intersil firmware operates in 0.25 dBm (1/4) */
1232        u *= 4;
1233        if (vwrq->disabled) {
1234                /* don't know how to disable radio */
1235                printk(KERN_DEBUG
1236                       "%s: %s() disabling radio is not yet supported.\n",
1237                       priv->ndev->name, __func__);
1238                return -ENOTSUPP;
1239        } else if (vwrq->fixed)
1240                /* currently only fixed value is supported */
1241                return mgt_set_request(priv, OID_INL_OUTPUTPOWER, 0, &u);
1242        else {
1243                printk(KERN_DEBUG
1244                       "%s: %s() auto power will be implemented later.\n",
1245                       priv->ndev->name, __func__);
1246                return -ENOTSUPP;
1247        }
1248}
1249
1250static int prism54_set_genie(struct net_device *ndev,
1251                             struct iw_request_info *info,
1252                             struct iw_point *data, char *extra)
1253{
1254        islpci_private *priv = netdev_priv(ndev);
1255        int alen, ret = 0;
1256        struct obj_attachment *attach;
1257
1258        if (data->length > MAX_WPA_IE_LEN ||
1259            (data->length && extra == NULL))
1260                return -EINVAL;
1261
1262        memcpy(priv->wpa_ie, extra, data->length);
1263        priv->wpa_ie_len = data->length;
1264
1265        alen = sizeof(*attach) + priv->wpa_ie_len;
1266        attach = kzalloc(alen, GFP_KERNEL);
1267        if (attach == NULL)
1268                return -ENOMEM;
1269
1270#define WLAN_FC_TYPE_MGMT 0
1271#define WLAN_FC_STYPE_ASSOC_REQ 0
1272#define WLAN_FC_STYPE_REASSOC_REQ 2
1273
1274        /* Note: endianness is covered by mgt_set_varlen */
1275        attach->type = (WLAN_FC_TYPE_MGMT << 2) |
1276               (WLAN_FC_STYPE_ASSOC_REQ << 4);
1277        attach->id = -1;
1278        attach->size = priv->wpa_ie_len;
1279        memcpy(attach->data, extra, priv->wpa_ie_len);
1280
1281        ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach,
1282                priv->wpa_ie_len);
1283        if (ret == 0) {
1284                attach->type = (WLAN_FC_TYPE_MGMT << 2) |
1285                        (WLAN_FC_STYPE_REASSOC_REQ << 4);
1286
1287                ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach,
1288                        priv->wpa_ie_len);
1289                if (ret == 0)
1290                        printk(KERN_DEBUG "%s: WPA IE Attachment was set\n",
1291                                ndev->name);
1292        }
1293
1294        kfree(attach);
1295        return ret;
1296}
1297
1298
1299static int prism54_get_genie(struct net_device *ndev,
1300                             struct iw_request_info *info,
1301                             struct iw_point *data, char *extra)
1302{
1303        islpci_private *priv = netdev_priv(ndev);
1304        int len = priv->wpa_ie_len;
1305
1306        if (len <= 0) {
1307                data->length = 0;
1308                return 0;
1309        }
1310
1311        if (data->length < len)
1312                return -E2BIG;
1313
1314        data->length = len;
1315        memcpy(extra, priv->wpa_ie, len);
1316
1317        return 0;
1318}
1319
1320static int prism54_set_auth(struct net_device *ndev,
1321                               struct iw_request_info *info,
1322                               union iwreq_data *wrqu, char *extra)
1323{
1324        islpci_private *priv = netdev_priv(ndev);
1325        struct iw_param *param = &wrqu->param;
1326        u32 mlmelevel = 0, authen = 0, dot1x = 0;
1327        u32 exunencrypt = 0, privinvoked = 0, wpa = 0;
1328        u32 old_wpa;
1329        int ret = 0;
1330        union oid_res_t r;
1331
1332        if (islpci_get_state(priv) < PRV_STATE_INIT)
1333                return 0;
1334
1335        /* first get the flags */
1336        down_write(&priv->mib_sem);
1337        wpa = old_wpa = priv->wpa;
1338        up_write(&priv->mib_sem);
1339        ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1340        authen = r.u;
1341        ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1342        privinvoked = r.u;
1343        ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1344        exunencrypt = r.u;
1345        ret = mgt_get_request(priv, DOT11_OID_DOT1XENABLE, 0, NULL, &r);
1346        dot1x = r.u;
1347        ret = mgt_get_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, NULL, &r);
1348        mlmelevel = r.u;
1349
1350        if (ret < 0)
1351                goto out;
1352
1353        switch (param->flags & IW_AUTH_INDEX) {
1354        case IW_AUTH_CIPHER_PAIRWISE:
1355        case IW_AUTH_CIPHER_GROUP:
1356        case IW_AUTH_KEY_MGMT:
1357                break;
1358
1359        case IW_AUTH_WPA_ENABLED:
1360                /* Do the same thing as IW_AUTH_WPA_VERSION */
1361                if (param->value) {
1362                        wpa = 1;
1363                        privinvoked = 1; /* For privacy invoked */
1364                        exunencrypt = 1; /* Filter out all unencrypted frames */
1365                        dot1x = 0x01; /* To enable eap filter */
1366                        mlmelevel = DOT11_MLME_EXTENDED;
1367                        authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
1368                } else {
1369                        wpa = 0;
1370                        privinvoked = 0;
1371                        exunencrypt = 0; /* Do not filter un-encrypted data */
1372                        dot1x = 0;
1373                        mlmelevel = DOT11_MLME_AUTO;
1374                }
1375                break;
1376
1377        case IW_AUTH_WPA_VERSION:
1378                if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
1379                        wpa = 0;
1380                        privinvoked = 0;
1381                        exunencrypt = 0; /* Do not filter un-encrypted data */
1382                        dot1x = 0;
1383                        mlmelevel = DOT11_MLME_AUTO;
1384                } else {
1385                        if (param->value & IW_AUTH_WPA_VERSION_WPA)
1386                                wpa = 1;
1387                        else if (param->value & IW_AUTH_WPA_VERSION_WPA2)
1388                                wpa = 2;
1389                        privinvoked = 1; /* For privacy invoked */
1390                        exunencrypt = 1; /* Filter out all unencrypted frames */
1391                        dot1x = 0x01; /* To enable eap filter */
1392                        mlmelevel = DOT11_MLME_EXTENDED;
1393                        authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
1394                }
1395                break;
1396
1397        case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1398                /* dot1x should be the opposite of RX_UNENCRYPTED_EAPOL;
1399                 * turn off dot1x when allowing receipt of unencrypted EAPOL
1400                 * frames, turn on dot1x when receipt should be disallowed
1401                 */
1402                dot1x = param->value ? 0 : 0x01;
1403                break;
1404
1405        case IW_AUTH_PRIVACY_INVOKED:
1406                privinvoked = param->value ? 1 : 0;
1407                break;
1408
1409        case IW_AUTH_DROP_UNENCRYPTED:
1410                exunencrypt = param->value ? 1 : 0;
1411                break;
1412
1413        case IW_AUTH_80211_AUTH_ALG:
1414                if (param->value & IW_AUTH_ALG_SHARED_KEY) {
1415                        /* Only WEP uses _SK and _BOTH */
1416                        if (wpa > 0) {
1417                                ret = -EINVAL;
1418                                goto out;
1419                        }
1420                        authen = DOT11_AUTH_SK;
1421                } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1422                        authen = DOT11_AUTH_OS;
1423                } else {
1424                        ret = -EINVAL;
1425                        goto out;
1426                }
1427                break;
1428
1429        default:
1430                return -EOPNOTSUPP;
1431        }
1432
1433        /* Set all the values */
1434        down_write(&priv->mib_sem);
1435        priv->wpa = wpa;
1436        up_write(&priv->mib_sem);
1437        mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
1438        mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &privinvoked);
1439        mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &exunencrypt);
1440        mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x);
1441        mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlmelevel);
1442
1443out:
1444        return ret;
1445}
1446
1447static int prism54_get_auth(struct net_device *ndev,
1448                            struct iw_request_info *info,
1449                            union iwreq_data *wrqu, char *extra)
1450{
1451        islpci_private *priv = netdev_priv(ndev);
1452        struct iw_param *param = &wrqu->param;
1453        u32 wpa = 0;
1454        int ret = 0;
1455        union oid_res_t r;
1456
1457        if (islpci_get_state(priv) < PRV_STATE_INIT)
1458                return 0;
1459
1460        /* first get the flags */
1461        down_write(&priv->mib_sem);
1462        wpa = priv->wpa;
1463        up_write(&priv->mib_sem);
1464
1465        switch (param->flags & IW_AUTH_INDEX) {
1466        case IW_AUTH_CIPHER_PAIRWISE:
1467        case IW_AUTH_CIPHER_GROUP:
1468        case IW_AUTH_KEY_MGMT:
1469                /*
1470                 * wpa_supplicant will control these internally
1471                 */
1472                ret = -EOPNOTSUPP;
1473                break;
1474
1475        case IW_AUTH_WPA_VERSION:
1476                switch (wpa) {
1477                case 1:
1478                        param->value = IW_AUTH_WPA_VERSION_WPA;
1479                        break;
1480                case 2:
1481                        param->value = IW_AUTH_WPA_VERSION_WPA2;
1482                        break;
1483                case 0:
1484                default:
1485                        param->value = IW_AUTH_WPA_VERSION_DISABLED;
1486                        break;
1487                }
1488                break;
1489
1490        case IW_AUTH_DROP_UNENCRYPTED:
1491                ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1492                if (ret >= 0)
1493                        param->value = r.u > 0 ? 1 : 0;
1494                break;
1495
1496        case IW_AUTH_80211_AUTH_ALG:
1497                ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1498                if (ret >= 0) {
1499                        switch (r.u) {
1500                        case DOT11_AUTH_OS:
1501                                param->value = IW_AUTH_ALG_OPEN_SYSTEM;
1502                                break;
1503                        case DOT11_AUTH_BOTH:
1504                        case DOT11_AUTH_SK:
1505                                param->value = IW_AUTH_ALG_SHARED_KEY;
1506                        case DOT11_AUTH_NONE:
1507                        default:
1508                                param->value = 0;
1509                                break;
1510                        }
1511                }
1512                break;
1513
1514        case IW_AUTH_WPA_ENABLED:
1515                param->value = wpa > 0 ? 1 : 0;
1516                break;
1517
1518        case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1519                ret = mgt_get_request(priv, DOT11_OID_DOT1XENABLE, 0, NULL, &r);
1520                if (ret >= 0)
1521                        param->value = r.u > 0 ? 1 : 0;
1522                break;
1523
1524        case IW_AUTH_PRIVACY_INVOKED:
1525                ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1526                if (ret >= 0)
1527                        param->value = r.u > 0 ? 1 : 0;
1528                break;
1529
1530        default:
1531                return -EOPNOTSUPP;
1532        }
1533        return ret;
1534}
1535
1536static int prism54_set_encodeext(struct net_device *ndev,
1537                                 struct iw_request_info *info,
1538                                 union iwreq_data *wrqu,
1539                                 char *extra)
1540{
1541        islpci_private *priv = netdev_priv(ndev);
1542        struct iw_point *encoding = &wrqu->encoding;
1543        struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1544        int idx, alg = ext->alg, set_key = 1;
1545        union oid_res_t r;
1546        int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0;
1547        int ret = 0;
1548
1549        if (islpci_get_state(priv) < PRV_STATE_INIT)
1550                return 0;
1551
1552        /* Determine and validate the key index */
1553        idx = (encoding->flags & IW_ENCODE_INDEX) - 1;
1554        if (idx) {
1555                if (idx < 0 || idx > 3)
1556                        return -EINVAL;
1557        } else {
1558                ret = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1559                if (ret < 0)
1560                        goto out;
1561                idx = r.u;
1562        }
1563
1564        if (encoding->flags & IW_ENCODE_DISABLED)
1565                alg = IW_ENCODE_ALG_NONE;
1566
1567        if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
1568                /* Only set transmit key index here, actual
1569                 * key is set below if needed.
1570                 */
1571                ret = mgt_set_request(priv, DOT11_OID_DEFKEYID, 0, &idx);
1572                set_key = ext->key_len > 0 ? 1 : 0;
1573        }
1574
1575        if (set_key) {
1576                struct obj_key key = { DOT11_PRIV_WEP, 0, "" };
1577                switch (alg) {
1578                case IW_ENCODE_ALG_NONE:
1579                        break;
1580                case IW_ENCODE_ALG_WEP:
1581                        if (ext->key_len > KEY_SIZE_WEP104) {
1582                                ret = -EINVAL;
1583                                goto out;
1584                        }
1585                        if (ext->key_len > KEY_SIZE_WEP40)
1586                                key.length = KEY_SIZE_WEP104;
1587                        else
1588                                key.length = KEY_SIZE_WEP40;
1589                        break;
1590                case IW_ENCODE_ALG_TKIP:
1591                        if (ext->key_len > KEY_SIZE_TKIP) {
1592                                ret = -EINVAL;
1593                                goto out;
1594                        }
1595                        key.type = DOT11_PRIV_TKIP;
1596                        key.length = KEY_SIZE_TKIP;
1597                        break;
1598                default:
1599                        return -EINVAL;
1600                }
1601
1602                if (key.length) {
1603                        memset(key.key, 0, sizeof(key.key));
1604                        memcpy(key.key, ext->key, ext->key_len);
1605                        ret = mgt_set_request(priv, DOT11_OID_DEFKEYX, idx,
1606                                            &key);
1607                        if (ret < 0)
1608                                goto out;
1609                }
1610        }
1611
1612        /* Read the flags */
1613        if (encoding->flags & IW_ENCODE_DISABLED) {
1614                /* Encoding disabled,
1615                 * authen = DOT11_AUTH_OS;
1616                 * invoke = 0;
1617                 * exunencrypt = 0; */
1618        }
1619        if (encoding->flags & IW_ENCODE_OPEN) {
1620                /* Encode but accept non-encoded packets. No auth */
1621                invoke = 1;
1622        }
1623        if (encoding->flags & IW_ENCODE_RESTRICTED) {
1624                /* Refuse non-encoded packets. Auth */
1625                authen = DOT11_AUTH_BOTH;
1626                invoke = 1;
1627                exunencrypt = 1;
1628        }
1629
1630        /* do the change if requested  */
1631        if (encoding->flags & IW_ENCODE_MODE) {
1632                ret = mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0,
1633                                      &authen);
1634                ret = mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0,
1635                                      &invoke);
1636                ret = mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0,
1637                                      &exunencrypt);
1638        }
1639
1640out:
1641        return ret;
1642}
1643
1644
1645static int prism54_get_encodeext(struct net_device *ndev,
1646                                 struct iw_request_info *info,
1647                                 union iwreq_data *wrqu,
1648                                 char *extra)
1649{
1650        islpci_private *priv = netdev_priv(ndev);
1651        struct iw_point *encoding = &wrqu->encoding;
1652        struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1653        int idx, max_key_len;
1654        union oid_res_t r;
1655        int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0, wpa = 0;
1656        int ret = 0;
1657
1658        if (islpci_get_state(priv) < PRV_STATE_INIT)
1659                return 0;
1660
1661        /* first get the flags */
1662        ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r);
1663        authen = r.u;
1664        ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r);
1665        invoke = r.u;
1666        ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r);
1667        exunencrypt = r.u;
1668        if (ret < 0)
1669                goto out;
1670
1671        max_key_len = encoding->length - sizeof(*ext);
1672        if (max_key_len < 0)
1673                return -EINVAL;
1674
1675        idx = (encoding->flags & IW_ENCODE_INDEX) - 1;
1676        if (idx) {
1677                if (idx < 0 || idx > 3)
1678                        return -EINVAL;
1679        } else {
1680                ret = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
1681                if (ret < 0)
1682                        goto out;
1683                idx = r.u;
1684        }
1685
1686        encoding->flags = idx + 1;
1687        memset(ext, 0, sizeof(*ext));
1688
1689        switch (authen) {
1690        case DOT11_AUTH_BOTH:
1691        case DOT11_AUTH_SK:
1692                wrqu->encoding.flags |= IW_ENCODE_RESTRICTED;
1693        case DOT11_AUTH_OS:
1694        default:
1695                wrqu->encoding.flags |= IW_ENCODE_OPEN;
1696                break;
1697        }
1698
1699        down_write(&priv->mib_sem);
1700        wpa = priv->wpa;
1701        up_write(&priv->mib_sem);
1702
1703        if (authen == DOT11_AUTH_OS && !exunencrypt && !invoke && !wpa) {
1704                /* No encryption */
1705                ext->alg = IW_ENCODE_ALG_NONE;
1706                ext->key_len = 0;
1707                wrqu->encoding.flags |= IW_ENCODE_DISABLED;
1708        } else {
1709                struct obj_key *key;
1710
1711                ret = mgt_get_request(priv, DOT11_OID_DEFKEYX, idx, NULL, &r);
1712                if (ret < 0)
1713                        goto out;
1714                key = r.ptr;
1715                if (max_key_len < key->length) {
1716                        ret = -E2BIG;
1717                        goto out;
1718                }
1719                memcpy(ext->key, key->key, key->length);
1720                ext->key_len = key->length;
1721
1722                switch (key->type) {
1723                case DOT11_PRIV_TKIP:
1724                        ext->alg = IW_ENCODE_ALG_TKIP;
1725                        break;
1726                default:
1727                case DOT11_PRIV_WEP:
1728                        ext->alg = IW_ENCODE_ALG_WEP;
1729                        break;
1730                }
1731                wrqu->encoding.flags |= IW_ENCODE_ENABLED;
1732        }
1733
1734out:
1735        return ret;
1736}
1737
1738
1739static int
1740prism54_reset(struct net_device *ndev, struct iw_request_info *info,
1741              __u32 * uwrq, char *extra)
1742{
1743        islpci_reset(netdev_priv(ndev), 0);
1744
1745        return 0;
1746}
1747
1748static int
1749prism54_get_oid(struct net_device *ndev, struct iw_request_info *info,
1750                struct iw_point *dwrq, char *extra)
1751{
1752        union oid_res_t r;
1753        int rvalue;
1754        enum oid_num_t n = dwrq->flags;
1755
1756        rvalue = mgt_get_request(netdev_priv(ndev), n, 0, NULL, &r);
1757        dwrq->length = mgt_response_to_str(n, &r, extra);
1758        if ((isl_oid[n].flags & OID_FLAG_TYPE) != OID_TYPE_U32)
1759                kfree(r.ptr);
1760        return rvalue;
1761}
1762
1763static int
1764prism54_set_u32(struct net_device *ndev, struct iw_request_info *info,
1765                __u32 * uwrq, char *extra)
1766{
1767        u32 oid = uwrq[0], u = uwrq[1];
1768
1769        return mgt_set_request(netdev_priv(ndev), oid, 0, &u);
1770}
1771
1772static int
1773prism54_set_raw(struct net_device *ndev, struct iw_request_info *info,
1774                struct iw_point *dwrq, char *extra)
1775{
1776        u32 oid = dwrq->flags;
1777
1778        return mgt_set_request(netdev_priv(ndev), oid, 0, extra);
1779}
1780
1781void
1782prism54_acl_init(struct islpci_acl *acl)
1783{
1784        mutex_init(&acl->lock);
1785        INIT_LIST_HEAD(&acl->mac_list);
1786        acl->size = 0;
1787        acl->policy = MAC_POLICY_OPEN;
1788}
1789
1790static void
1791prism54_clear_mac(struct islpci_acl *acl)
1792{
1793        struct list_head *ptr, *next;
1794        struct mac_entry *entry;
1795
1796        mutex_lock(&acl->lock);
1797
1798        if (acl->size == 0) {
1799                mutex_unlock(&acl->lock);
1800                return;
1801        }
1802
1803        for (ptr = acl->mac_list.next, next = ptr->next;
1804             ptr != &acl->mac_list; ptr = next, next = ptr->next) {
1805                entry = list_entry(ptr, struct mac_entry, _list);
1806                list_del(ptr);
1807                kfree(entry);
1808        }
1809        acl->size = 0;
1810        mutex_unlock(&acl->lock);
1811}
1812
1813void
1814prism54_acl_clean(struct islpci_acl *acl)
1815{
1816        prism54_clear_mac(acl);
1817}
1818
1819static int
1820prism54_add_mac(struct net_device *ndev, struct iw_request_info *info,
1821                struct sockaddr *awrq, char *extra)
1822{
1823        islpci_private *priv = netdev_priv(ndev);
1824        struct islpci_acl *acl = &priv->acl;
1825        struct mac_entry *entry;
1826        struct sockaddr *addr = (struct sockaddr *) extra;
1827
1828        if (addr->sa_family != ARPHRD_ETHER)
1829                return -EOPNOTSUPP;
1830
1831        entry = kmalloc(sizeof (struct mac_entry), GFP_KERNEL);
1832        if (entry == NULL)
1833                return -ENOMEM;
1834
1835        memcpy(entry->addr, addr->sa_data, ETH_ALEN);
1836
1837        if (mutex_lock_interruptible(&acl->lock)) {
1838                kfree(entry);
1839                return -ERESTARTSYS;
1840        }
1841        list_add_tail(&entry->_list, &acl->mac_list);
1842        acl->size++;
1843        mutex_unlock(&acl->lock);
1844
1845        return 0;
1846}
1847
1848static int
1849prism54_del_mac(struct net_device *ndev, struct iw_request_info *info,
1850                struct sockaddr *awrq, char *extra)
1851{
1852        islpci_private *priv = netdev_priv(ndev);
1853        struct islpci_acl *acl = &priv->acl;
1854        struct mac_entry *entry;
1855        struct sockaddr *addr = (struct sockaddr *) extra;
1856
1857        if (addr->sa_family != ARPHRD_ETHER)
1858                return -EOPNOTSUPP;
1859
1860        if (mutex_lock_interruptible(&acl->lock))
1861                return -ERESTARTSYS;
1862        list_for_each_entry(entry, &acl->mac_list, _list) {
1863                if (memcmp(entry->addr, addr->sa_data, ETH_ALEN) == 0) {
1864                        list_del(&entry->_list);
1865                        acl->size--;
1866                        kfree(entry);
1867                        mutex_unlock(&acl->lock);
1868                        return 0;
1869                }
1870        }
1871        mutex_unlock(&acl->lock);
1872        return -EINVAL;
1873}
1874
1875static int
1876prism54_get_mac(struct net_device *ndev, struct iw_request_info *info,
1877                struct iw_point *dwrq, char *extra)
1878{
1879        islpci_private *priv = netdev_priv(ndev);
1880        struct islpci_acl *acl = &priv->acl;
1881        struct mac_entry *entry;
1882        struct sockaddr *dst = (struct sockaddr *) extra;
1883
1884        dwrq->length = 0;
1885
1886        if (mutex_lock_interruptible(&acl->lock))
1887                return -ERESTARTSYS;
1888
1889        list_for_each_entry(entry, &acl->mac_list, _list) {
1890                memcpy(dst->sa_data, entry->addr, ETH_ALEN);
1891                dst->sa_family = ARPHRD_ETHER;
1892                dwrq->length++;
1893                dst++;
1894        }
1895        mutex_unlock(&acl->lock);
1896        return 0;
1897}
1898
1899/* Setting policy also clears the MAC acl, even if we don't change the default
1900 * policy
1901 */
1902
1903static int
1904prism54_set_policy(struct net_device *ndev, struct iw_request_info *info,
1905                   __u32 * uwrq, char *extra)
1906{
1907        islpci_private *priv = netdev_priv(ndev);
1908        struct islpci_acl *acl = &priv->acl;
1909        u32 mlmeautolevel;
1910
1911        prism54_clear_mac(acl);
1912
1913        if ((*uwrq < MAC_POLICY_OPEN) || (*uwrq > MAC_POLICY_REJECT))
1914                return -EINVAL;
1915
1916        down_write(&priv->mib_sem);
1917
1918        acl->policy = *uwrq;
1919
1920        /* the ACL code needs an intermediate mlmeautolevel */
1921        if ((priv->iw_mode == IW_MODE_MASTER) &&
1922            (acl->policy != MAC_POLICY_OPEN))
1923                mlmeautolevel = DOT11_MLME_INTERMEDIATE;
1924        else
1925                mlmeautolevel = CARD_DEFAULT_MLME_MODE;
1926        if (priv->wpa)
1927                mlmeautolevel = DOT11_MLME_EXTENDED;
1928        mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel);
1929        /* restart the card with our new policy */
1930        if (mgt_commit(priv)) {
1931                up_write(&priv->mib_sem);
1932                return -EIO;
1933        }
1934        up_write(&priv->mib_sem);
1935
1936        return 0;
1937}
1938
1939static int
1940prism54_get_policy(struct net_device *ndev, struct iw_request_info *info,
1941                   __u32 * uwrq, char *extra)
1942{
1943        islpci_private *priv = netdev_priv(ndev);
1944        struct islpci_acl *acl = &priv->acl;
1945
1946        *uwrq = acl->policy;
1947
1948        return 0;
1949}
1950
1951/* Return 1 only if client should be accepted. */
1952
1953static int
1954prism54_mac_accept(struct islpci_acl *acl, char *mac)
1955{
1956        struct mac_entry *entry;
1957        int res = 0;
1958
1959        if (mutex_lock_interruptible(&acl->lock))
1960                return -ERESTARTSYS;
1961
1962        if (acl->policy == MAC_POLICY_OPEN) {
1963                mutex_unlock(&acl->lock);
1964                return 1;
1965        }
1966
1967        list_for_each_entry(entry, &acl->mac_list, _list) {
1968                if (memcmp(entry->addr, mac, ETH_ALEN) == 0) {
1969                        res = 1;
1970                        break;
1971                }
1972        }
1973        res = (acl->policy == MAC_POLICY_ACCEPT) ? !res : res;
1974        mutex_unlock(&acl->lock);
1975
1976        return res;
1977}
1978
1979static int
1980prism54_kick_all(struct net_device *ndev, struct iw_request_info *info,
1981                 struct iw_point *dwrq, char *extra)
1982{
1983        struct obj_mlme *mlme;
1984        int rvalue;
1985
1986        mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
1987        if (mlme == NULL)
1988                return -ENOMEM;
1989
1990        /* Tell the card to kick every client */
1991        mlme->id = 0;
1992        rvalue =
1993            mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
1994        kfree(mlme);
1995
1996        return rvalue;
1997}
1998
1999static int
2000prism54_kick_mac(struct net_device *ndev, struct iw_request_info *info,
2001                 struct sockaddr *awrq, char *extra)
2002{
2003        struct obj_mlme *mlme;
2004        struct sockaddr *addr = (struct sockaddr *) extra;
2005        int rvalue;
2006
2007        if (addr->sa_family != ARPHRD_ETHER)
2008                return -EOPNOTSUPP;
2009
2010        mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL);
2011        if (mlme == NULL)
2012                return -ENOMEM;
2013
2014        /* Tell the card to only kick the corresponding bastard */
2015        memcpy(mlme->address, addr->sa_data, ETH_ALEN);
2016        mlme->id = -1;
2017        rvalue =
2018            mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme);
2019
2020        kfree(mlme);
2021
2022        return rvalue;
2023}
2024
2025/* Translate a TRAP oid into a wireless event. Called in islpci_mgt_receive. */
2026
2027static void
2028format_event(islpci_private *priv, char *dest, const char *str,
2029             const struct obj_mlme *mlme, u16 *length, int error)
2030{
2031        int n = snprintf(dest, IW_CUSTOM_MAX,
2032                         "%s %s %pM %s (%2.2X)",
2033                         str,
2034                         ((priv->iw_mode == IW_MODE_MASTER) ? "from" : "to"),
2035                         mlme->address,
2036                         (error ? (mlme->code ? " : REJECTED " : " : ACCEPTED ")
2037                          : ""), mlme->code);
2038        BUG_ON(n > IW_CUSTOM_MAX);
2039        *length = n;
2040}
2041
2042static void
2043send_formatted_event(islpci_private *priv, const char *str,
2044                     const struct obj_mlme *mlme, int error)
2045{
2046        union iwreq_data wrqu;
2047        char *memptr;
2048
2049        memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
2050        if (!memptr)
2051                return;
2052        wrqu.data.pointer = memptr;
2053        wrqu.data.length = 0;
2054        format_event(priv, memptr, str, mlme, &wrqu.data.length,
2055                     error);
2056        wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
2057        kfree(memptr);
2058}
2059
2060static void
2061send_simple_event(islpci_private *priv, const char *str)
2062{
2063        union iwreq_data wrqu;
2064        char *memptr;
2065        int n = strlen(str);
2066
2067        memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
2068        if (!memptr)
2069                return;
2070        BUG_ON(n >= IW_CUSTOM_MAX);
2071        wrqu.data.pointer = memptr;
2072        wrqu.data.length = n;
2073        strcpy(memptr, str);
2074        wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr);
2075        kfree(memptr);
2076}
2077
2078static void
2079link_changed(struct net_device *ndev, u32 bitrate)
2080{
2081        islpci_private *priv = netdev_priv(ndev);
2082
2083        if (bitrate) {
2084                netif_carrier_on(ndev);
2085                if (priv->iw_mode == IW_MODE_INFRA) {
2086                        union iwreq_data uwrq;
2087                        prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq,
2088                                        NULL);
2089                        wireless_send_event(ndev, SIOCGIWAP, &uwrq, NULL);
2090                } else
2091                        send_simple_event(netdev_priv(ndev),
2092                                          "Link established");
2093        } else {
2094                netif_carrier_off(ndev);
2095                send_simple_event(netdev_priv(ndev), "Link lost");
2096        }
2097}
2098
2099/* Beacon/ProbeResp payload header */
2100struct ieee80211_beacon_phdr {
2101        u8 timestamp[8];
2102        u16 beacon_int;
2103        u16 capab_info;
2104} __packed;
2105
2106#define WLAN_EID_GENERIC 0xdd
2107static u8 wpa_oid[4] = { 0x00, 0x50, 0xf2, 1 };
2108
2109static void
2110prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
2111                       u8 *wpa_ie, size_t wpa_ie_len)
2112{
2113        struct list_head *ptr;
2114        struct islpci_bss_wpa_ie *bss = NULL;
2115
2116        if (wpa_ie_len > MAX_WPA_IE_LEN)
2117                wpa_ie_len = MAX_WPA_IE_LEN;
2118
2119        mutex_lock(&priv->wpa_lock);
2120
2121        /* try to use existing entry */
2122        list_for_each(ptr, &priv->bss_wpa_list) {
2123                bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
2124                if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) {
2125                        list_move(&bss->list, &priv->bss_wpa_list);
2126                        break;
2127                }
2128                bss = NULL;
2129        }
2130
2131        if (bss == NULL) {
2132                /* add a new BSS entry; if max number of entries is already
2133                 * reached, replace the least recently updated */
2134                if (priv->num_bss_wpa >= MAX_BSS_WPA_IE_COUNT) {
2135                        bss = list_entry(priv->bss_wpa_list.prev,
2136                                         struct islpci_bss_wpa_ie, list);
2137                        list_del(&bss->list);
2138                } else {
2139                        bss = kzalloc(sizeof (*bss), GFP_ATOMIC);
2140                        if (bss != NULL)
2141                                priv->num_bss_wpa++;
2142                }
2143                if (bss != NULL) {
2144                        memcpy(bss->bssid, bssid, ETH_ALEN);
2145                        list_add(&bss->list, &priv->bss_wpa_list);
2146                }
2147        }
2148
2149        if (bss != NULL) {
2150                memcpy(bss->wpa_ie, wpa_ie, wpa_ie_len);
2151                bss->wpa_ie_len = wpa_ie_len;
2152                bss->last_update = jiffies;
2153        } else {
2154                printk(KERN_DEBUG "Failed to add BSS WPA entry for "
2155                       "%pM\n", bssid);
2156        }
2157
2158        /* expire old entries from WPA list */
2159        while (priv->num_bss_wpa > 0) {
2160                bss = list_entry(priv->bss_wpa_list.prev,
2161                                 struct islpci_bss_wpa_ie, list);
2162                if (!time_after(jiffies, bss->last_update + 60 * HZ))
2163                        break;
2164
2165                list_del(&bss->list);
2166                priv->num_bss_wpa--;
2167                kfree(bss);
2168        }
2169
2170        mutex_unlock(&priv->wpa_lock);
2171}
2172
2173static size_t
2174prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie)
2175{
2176        struct list_head *ptr;
2177        struct islpci_bss_wpa_ie *bss = NULL;
2178        size_t len = 0;
2179
2180        mutex_lock(&priv->wpa_lock);
2181
2182        list_for_each(ptr, &priv->bss_wpa_list) {
2183                bss = list_entry(ptr, struct islpci_bss_wpa_ie, list);
2184                if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0)
2185                        break;
2186                bss = NULL;
2187        }
2188        if (bss) {
2189                len = bss->wpa_ie_len;
2190                memcpy(wpa_ie, bss->wpa_ie, len);
2191        }
2192        mutex_unlock(&priv->wpa_lock);
2193
2194        return len;
2195}
2196
2197void
2198prism54_wpa_bss_ie_init(islpci_private *priv)
2199{
2200        INIT_LIST_HEAD(&priv->bss_wpa_list);
2201        mutex_init(&priv->wpa_lock);
2202}
2203
2204void
2205prism54_wpa_bss_ie_clean(islpci_private *priv)
2206{
2207        struct islpci_bss_wpa_ie *bss, *n;
2208
2209        list_for_each_entry_safe(bss, n, &priv->bss_wpa_list, list) {
2210                kfree(bss);
2211        }
2212}
2213
2214static void
2215prism54_process_bss_data(islpci_private *priv, u32 oid, u8 *addr,
2216                         u8 *payload, size_t len)
2217{
2218        struct ieee80211_beacon_phdr *hdr;
2219        u8 *pos, *end;
2220
2221        if (!priv->wpa)
2222                return;
2223
2224        hdr = (struct ieee80211_beacon_phdr *) payload;
2225        pos = (u8 *) (hdr + 1);
2226        end = payload + len;
2227        while (pos < end) {
2228                if (pos + 2 + pos[1] > end) {
2229                        printk(KERN_DEBUG "Parsing Beacon/ProbeResp failed "
2230                               "for %pM\n", addr);
2231                        return;
2232                }
2233                if (pos[0] == WLAN_EID_GENERIC && pos[1] >= 4 &&
2234                    memcmp(pos + 2, wpa_oid, 4) == 0) {
2235                        prism54_wpa_bss_ie_add(priv, addr, pos, pos[1] + 2);
2236                        return;
2237                }
2238                pos += 2 + pos[1];
2239        }
2240}
2241
2242static void
2243handle_request(islpci_private *priv, struct obj_mlme *mlme, enum oid_num_t oid)
2244{
2245        if (((mlme->state == DOT11_STATE_AUTHING) ||
2246             (mlme->state == DOT11_STATE_ASSOCING))
2247            && mgt_mlme_answer(priv)) {
2248                /* Someone is requesting auth and we must respond. Just send back
2249                 * the trap with error code set accordingly.
2250                 */
2251                mlme->code = prism54_mac_accept(&priv->acl,
2252                                                mlme->address) ? 0 : 1;
2253                mgt_set_request(priv, oid, 0, mlme);
2254        }
2255}
2256
2257static int
2258prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid,
2259                            char *data)
2260{
2261        struct obj_mlme *mlme = (struct obj_mlme *) data;
2262        struct obj_mlmeex *mlmeex = (struct obj_mlmeex *) data;
2263        struct obj_mlmeex *confirm;
2264        u8 wpa_ie[MAX_WPA_IE_LEN];
2265        int wpa_ie_len;
2266        size_t len = 0; /* u16, better? */
2267        u8 *payload = NULL, *pos = NULL;
2268        int ret;
2269
2270        /* I think all trapable objects are listed here.
2271         * Some oids have a EX version. The difference is that they are emitted
2272         * in DOT11_MLME_EXTENDED mode (set with DOT11_OID_MLMEAUTOLEVEL)
2273         * with more info.
2274         * The few events already defined by the wireless tools are not really
2275         * suited. We use the more flexible custom event facility.
2276         */
2277
2278        if (oid >= DOT11_OID_BEACON) {
2279                len = mlmeex->size;
2280                payload = pos = mlmeex->data;
2281        }
2282
2283        /* I fear prism54_process_bss_data won't work with big endian data */
2284        if ((oid == DOT11_OID_BEACON) || (oid == DOT11_OID_PROBE))
2285                prism54_process_bss_data(priv, oid, mlmeex->address,
2286                                         payload, len);
2287
2288        mgt_le_to_cpu(isl_oid[oid].flags & OID_FLAG_TYPE, (void *) mlme);
2289
2290        switch (oid) {
2291
2292        case GEN_OID_LINKSTATE:
2293                link_changed(priv->ndev, (u32) *data);
2294                break;
2295
2296        case DOT11_OID_MICFAILURE:
2297                send_simple_event(priv, "Mic failure");
2298                break;
2299
2300        case DOT11_OID_DEAUTHENTICATE:
2301                send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
2302                break;
2303
2304        case DOT11_OID_AUTHENTICATE:
2305                handle_request(priv, mlme, oid);
2306                send_formatted_event(priv, "Authenticate request", mlme, 1);
2307                break;
2308
2309        case DOT11_OID_DISASSOCIATE:
2310                send_formatted_event(priv, "Disassociate request", mlme, 0);
2311                break;
2312
2313        case DOT11_OID_ASSOCIATE:
2314                handle_request(priv, mlme, oid);
2315                send_formatted_event(priv, "Associate request", mlme, 1);
2316                break;
2317
2318        case DOT11_OID_REASSOCIATE:
2319                handle_request(priv, mlme, oid);
2320                send_formatted_event(priv, "ReAssociate request", mlme, 1);
2321                break;
2322
2323        case DOT11_OID_BEACON:
2324                send_formatted_event(priv,
2325                                     "Received a beacon from an unknown AP",
2326                                     mlme, 0);
2327                break;
2328
2329        case DOT11_OID_PROBE:
2330                /* we received a probe from a client. */
2331                send_formatted_event(priv, "Received a probe from client", mlme,
2332                                     0);
2333                break;
2334
2335                /* Note : "mlme" is actually a "struct obj_mlmeex *" here, but this
2336                 * is backward compatible layout-wise with "struct obj_mlme".
2337                 */
2338
2339        case DOT11_OID_DEAUTHENTICATEEX:
2340                send_formatted_event(priv, "DeAuthenticate request", mlme, 0);
2341                break;
2342
2343        case DOT11_OID_AUTHENTICATEEX:
2344                handle_request(priv, mlme, oid);
2345                send_formatted_event(priv, "Authenticate request (ex)", mlme, 1);
2346
2347                if (priv->iw_mode != IW_MODE_MASTER
2348                                && mlmeex->state != DOT11_STATE_AUTHING)
2349                        break;
2350
2351                confirm = kmalloc(sizeof(struct obj_mlmeex) + 6, GFP_ATOMIC);
2352
2353                if (!confirm)
2354                        break;
2355
2356                memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
2357                printk(KERN_DEBUG "Authenticate from: address:\t%pM\n",
2358                       mlmeex->address);
2359                confirm->id = -1; /* or mlmeex->id ? */
2360                confirm->state = 0; /* not used */
2361                confirm->code = 0;
2362                confirm->size = 6;
2363                confirm->data[0] = 0x00;
2364                confirm->data[1] = 0x00;
2365                confirm->data[2] = 0x02;
2366                confirm->data[3] = 0x00;
2367                confirm->data[4] = 0x00;
2368                confirm->data[5] = 0x00;
2369
2370                ret = mgt_set_varlen(priv, DOT11_OID_ASSOCIATEEX, confirm, 6);
2371
2372                kfree(confirm);
2373                if (ret)
2374                        return ret;
2375                break;
2376
2377        case DOT11_OID_DISASSOCIATEEX:
2378                send_formatted_event(priv, "Disassociate request (ex)", mlme, 0);
2379                break;
2380
2381        case DOT11_OID_ASSOCIATEEX:
2382                handle_request(priv, mlme, oid);
2383                send_formatted_event(priv, "Associate request (ex)", mlme, 1);
2384
2385                if (priv->iw_mode != IW_MODE_MASTER
2386                                && mlmeex->state != DOT11_STATE_ASSOCING)
2387                        break;
2388
2389                confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
2390
2391                if (!confirm)
2392                        break;
2393
2394                memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
2395
2396                confirm->id = ((struct obj_mlmeex *)mlme)->id;
2397                confirm->state = 0; /* not used */
2398                confirm->code = 0;
2399
2400                wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie);
2401
2402                if (!wpa_ie_len) {
2403                        printk(KERN_DEBUG "No WPA IE found from address:\t%pM\n",
2404                               mlmeex->address);
2405                        kfree(confirm);
2406                        break;
2407                }
2408
2409                confirm->size = wpa_ie_len;
2410                memcpy(&confirm->data, wpa_ie, wpa_ie_len);
2411
2412                mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
2413
2414                kfree(confirm);
2415
2416                break;
2417
2418        case DOT11_OID_REASSOCIATEEX:
2419                handle_request(priv, mlme, oid);
2420                send_formatted_event(priv, "Reassociate request (ex)", mlme, 1);
2421
2422                if (priv->iw_mode != IW_MODE_MASTER
2423                                && mlmeex->state != DOT11_STATE_ASSOCING)
2424                        break;
2425
2426                confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC);
2427
2428                if (!confirm)
2429                        break;
2430
2431                memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
2432
2433                confirm->id = mlmeex->id;
2434                confirm->state = 0; /* not used */
2435                confirm->code = 0;
2436
2437                wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie);
2438
2439                if (!wpa_ie_len) {
2440                        printk(KERN_DEBUG "No WPA IE found from address:\t%pM\n",
2441                               mlmeex->address);
2442                        kfree(confirm);
2443                        break;
2444                }
2445
2446                confirm->size = wpa_ie_len;
2447                memcpy(&confirm->data, wpa_ie, wpa_ie_len);
2448
2449                mgt_set_varlen(priv, oid, confirm, wpa_ie_len);
2450
2451                kfree(confirm);
2452
2453                break;
2454
2455        default:
2456                return -EINVAL;
2457        }
2458
2459        return 0;
2460}
2461
2462/*
2463 * Process a device trap.  This is called via schedule_work(), outside of
2464 * interrupt context, no locks held.
2465 */
2466void
2467prism54_process_trap(struct work_struct *work)
2468{
2469        struct islpci_mgmtframe *frame =
2470                container_of(work, struct islpci_mgmtframe, ws);
2471        struct net_device *ndev = frame->ndev;
2472        enum oid_num_t n = mgt_oidtonum(frame->header->oid);
2473
2474        if (n != OID_NUM_LAST)
2475                prism54_process_trap_helper(netdev_priv(ndev), n, frame->data);
2476        islpci_mgt_release(frame);
2477}
2478
2479int
2480prism54_set_mac_address(struct net_device *ndev, void *addr)
2481{
2482        islpci_private *priv = netdev_priv(ndev);
2483        int ret;
2484
2485        if (ndev->addr_len != 6)
2486                return -EINVAL;
2487        ret = mgt_set_request(priv, GEN_OID_MACADDRESS, 0,
2488                              &((struct sockaddr *) addr)->sa_data);
2489        if (!ret)
2490                memcpy(priv->ndev->dev_addr,
2491                       &((struct sockaddr *) addr)->sa_data, 6);
2492
2493        return ret;
2494}
2495
2496#define PRISM54_SET_WPA                 SIOCIWFIRSTPRIV+12
2497
2498static int
2499prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info,
2500                __u32 * uwrq, char *extra)
2501{
2502        islpci_private *priv = netdev_priv(ndev);
2503        u32 mlme, authen, dot1x, filter, wep;
2504
2505        if (islpci_get_state(priv) < PRV_STATE_INIT)
2506                return 0;
2507
2508        wep = 1; /* For privacy invoked */
2509        filter = 1; /* Filter out all unencrypted frames */
2510        dot1x = 0x01; /* To enable eap filter */
2511        mlme = DOT11_MLME_EXTENDED;
2512        authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */
2513
2514        down_write(&priv->mib_sem);
2515        priv->wpa = *uwrq;
2516
2517        switch (priv->wpa) {
2518                default:
2519                case 0: /* Clears/disables WPA and friends */
2520                        wep = 0;
2521                        filter = 0; /* Do not filter un-encrypted data */
2522                        dot1x = 0;
2523                        mlme = DOT11_MLME_AUTO;
2524                        printk("%s: Disabling WPA\n", ndev->name);
2525                        break;
2526                case 2:
2527                case 1: /* WPA */
2528                        printk("%s: Enabling WPA\n", ndev->name);
2529                        break;
2530        }
2531        up_write(&priv->mib_sem);
2532
2533        mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen);
2534        mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &wep);
2535        mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &filter);
2536        mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x);
2537        mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlme);
2538
2539        return 0;
2540}
2541
2542static int
2543prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info,
2544                __u32 * uwrq, char *extra)
2545{
2546        islpci_private *priv = netdev_priv(ndev);
2547        *uwrq = priv->wpa;
2548        return 0;
2549}
2550
2551static int
2552prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info,
2553                     __u32 * uwrq, char *extra)
2554{
2555        islpci_private *priv = netdev_priv(ndev);
2556        priv->monitor_type =
2557            (*uwrq ? ARPHRD_IEEE80211_PRISM : ARPHRD_IEEE80211);
2558        if (priv->iw_mode == IW_MODE_MONITOR)
2559                priv->ndev->type = priv->monitor_type;
2560
2561        return 0;
2562}
2563
2564static int
2565prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info,
2566                     __u32 * uwrq, char *extra)
2567{
2568        islpci_private *priv = netdev_priv(ndev);
2569        *uwrq = (priv->monitor_type == ARPHRD_IEEE80211_PRISM);
2570        return 0;
2571}
2572
2573static int
2574prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info,
2575                  __u32 * uwrq, char *extra)
2576{
2577        islpci_private *priv = netdev_priv(ndev);
2578
2579        priv->priv_oid = *uwrq;
2580        printk("%s: oid 0x%08X\n", ndev->name, *uwrq);
2581
2582        return 0;
2583}
2584
2585static int
2586prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info,
2587                      struct iw_point *data, char *extra)
2588{
2589        islpci_private *priv = netdev_priv(ndev);
2590        struct islpci_mgmtframe *response;
2591        int ret = -EIO;
2592
2593        printk("%s: get_oid 0x%08X\n", ndev->name, priv->priv_oid);
2594        data->length = 0;
2595
2596        if (islpci_get_state(priv) >= PRV_STATE_INIT) {
2597                ret =
2598                    islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET,
2599                                           priv->priv_oid, extra, 256,
2600                                           &response);
2601                printk("%s: ret: %i\n", ndev->name, ret);
2602                if (ret || !response
2603                    || response->header->operation == PIMFOR_OP_ERROR) {
2604                        if (response) {
2605                                islpci_mgt_release(response);
2606                        }
2607                        printk("%s: EIO\n", ndev->name);
2608                        ret = -EIO;
2609                }
2610                if (!ret) {
2611                        data->length = response->header->length;
2612                        memcpy(extra, response->data, data->length);
2613                        islpci_mgt_release(response);
2614                        printk("%s: len: %i\n", ndev->name, data->length);
2615                }
2616        }
2617
2618        return ret;
2619}
2620
2621static int
2622prism54_debug_set_oid(struct net_device *ndev, struct iw_request_info *info,
2623                      struct iw_point *data, char *extra)
2624{
2625        islpci_private *priv = netdev_priv(ndev);
2626        struct islpci_mgmtframe *response;
2627        int ret = 0, response_op = PIMFOR_OP_ERROR;
2628
2629        printk("%s: set_oid 0x%08X\tlen: %d\n", ndev->name, priv->priv_oid,
2630               data->length);
2631
2632        if (islpci_get_state(priv) >= PRV_STATE_INIT) {
2633                ret =
2634                    islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET,
2635                                           priv->priv_oid, extra, data->length,
2636                                           &response);
2637                printk("%s: ret: %i\n", ndev->name, ret);
2638                if (ret || !response
2639                    || response->header->operation == PIMFOR_OP_ERROR) {
2640                        if (response) {
2641                                islpci_mgt_release(response);
2642                        }
2643                        printk("%s: EIO\n", ndev->name);
2644                        ret = -EIO;
2645                }
2646                if (!ret) {
2647                        response_op = response->header->operation;
2648                        printk("%s: response_op: %i\n", ndev->name,
2649                               response_op);
2650                        islpci_mgt_release(response);
2651                }
2652        }
2653
2654        return (ret ? ret : -EINPROGRESS);
2655}
2656
2657static int
2658prism54_set_spy(struct net_device *ndev,
2659                struct iw_request_info *info,
2660                union iwreq_data *uwrq, char *extra)
2661{
2662        islpci_private *priv = netdev_priv(ndev);
2663        u32 u;
2664        enum oid_num_t oid = OID_INL_CONFIG;
2665
2666        down_write(&priv->mib_sem);
2667        mgt_get(priv, OID_INL_CONFIG, &u);
2668
2669        if ((uwrq->data.length == 0) && (priv->spy_data.spy_number > 0))
2670                /* disable spy */
2671                u &= ~INL_CONFIG_RXANNEX;
2672        else if ((uwrq->data.length > 0) && (priv->spy_data.spy_number == 0))
2673                /* enable spy */
2674                u |= INL_CONFIG_RXANNEX;
2675
2676        mgt_set(priv, OID_INL_CONFIG, &u);
2677        mgt_commit_list(priv, &oid, 1);
2678        up_write(&priv->mib_sem);
2679
2680        return iw_handler_set_spy(ndev, info, uwrq, extra);
2681}
2682
2683static const iw_handler prism54_handler[] = {
2684        (iw_handler) prism54_commit,    /* SIOCSIWCOMMIT */
2685        (iw_handler) prism54_get_name,  /* SIOCGIWNAME */
2686        (iw_handler) NULL,      /* SIOCSIWNWID */
2687        (iw_handler) NULL,      /* SIOCGIWNWID */
2688        (iw_handler) prism54_set_freq,  /* SIOCSIWFREQ */
2689        (iw_handler) prism54_get_freq,  /* SIOCGIWFREQ */
2690        (iw_handler) prism54_set_mode,  /* SIOCSIWMODE */
2691        (iw_handler) prism54_get_mode,  /* SIOCGIWMODE */
2692        (iw_handler) prism54_set_sens,  /* SIOCSIWSENS */
2693        (iw_handler) prism54_get_sens,  /* SIOCGIWSENS */
2694        (iw_handler) NULL,      /* SIOCSIWRANGE */
2695        (iw_handler) prism54_get_range, /* SIOCGIWRANGE */
2696        (iw_handler) NULL,      /* SIOCSIWPRIV */
2697        (iw_handler) NULL,      /* SIOCGIWPRIV */
2698        (iw_handler) NULL,      /* SIOCSIWSTATS */
2699        (iw_handler) NULL,      /* SIOCGIWSTATS */
2700        prism54_set_spy,        /* SIOCSIWSPY */
2701        iw_handler_get_spy,     /* SIOCGIWSPY */
2702        iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
2703        iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
2704        (iw_handler) prism54_set_wap,   /* SIOCSIWAP */
2705        (iw_handler) prism54_get_wap,   /* SIOCGIWAP */
2706        (iw_handler) NULL,      /* -- hole -- */
2707        (iw_handler) NULL,      /* SIOCGIWAPLIST deprecated */
2708        (iw_handler) prism54_set_scan,  /* SIOCSIWSCAN */
2709        (iw_handler) prism54_get_scan,  /* SIOCGIWSCAN */
2710        (iw_handler) prism54_set_essid, /* SIOCSIWESSID */
2711        (iw_handler) prism54_get_essid, /* SIOCGIWESSID */
2712        (iw_handler) prism54_set_nick,  /* SIOCSIWNICKN */
2713        (iw_handler) prism54_get_nick,  /* SIOCGIWNICKN */
2714        (iw_handler) NULL,      /* -- hole -- */
2715        (iw_handler) NULL,      /* -- hole -- */
2716        (iw_handler) prism54_set_rate,  /* SIOCSIWRATE */
2717        (iw_handler) prism54_get_rate,  /* SIOCGIWRATE */
2718        (iw_handler) prism54_set_rts,   /* SIOCSIWRTS */
2719        (iw_handler) prism54_get_rts,   /* SIOCGIWRTS */
2720        (iw_handler) prism54_set_frag,  /* SIOCSIWFRAG */
2721        (iw_handler) prism54_get_frag,  /* SIOCGIWFRAG */
2722        (iw_handler) prism54_set_txpower,       /* SIOCSIWTXPOW */
2723        (iw_handler) prism54_get_txpower,       /* SIOCGIWTXPOW */
2724        (iw_handler) prism54_set_retry, /* SIOCSIWRETRY */
2725        (iw_handler) prism54_get_retry, /* SIOCGIWRETRY */
2726        (iw_handler) prism54_set_encode,        /* SIOCSIWENCODE */
2727        (iw_handler) prism54_get_encode,        /* SIOCGIWENCODE */
2728        (iw_handler) NULL,      /* SIOCSIWPOWER */
2729        (iw_handler) NULL,      /* SIOCGIWPOWER */
2730        NULL,                   /* -- hole -- */
2731        NULL,                   /* -- hole -- */
2732        (iw_handler) prism54_set_genie, /* SIOCSIWGENIE */
2733        (iw_handler) prism54_get_genie, /* SIOCGIWGENIE */
2734        (iw_handler) prism54_set_auth,  /* SIOCSIWAUTH */
2735        (iw_handler) prism54_get_auth,  /* SIOCGIWAUTH */
2736        (iw_handler) prism54_set_encodeext, /* SIOCSIWENCODEEXT */
2737        (iw_handler) prism54_get_encodeext, /* SIOCGIWENCODEEXT */
2738        NULL,                   /* SIOCSIWPMKSA */
2739};
2740
2741/* The low order bit identify a SET (0) or a GET (1) ioctl.  */
2742
2743#define PRISM54_RESET           SIOCIWFIRSTPRIV
2744#define PRISM54_GET_POLICY      SIOCIWFIRSTPRIV+1
2745#define PRISM54_SET_POLICY      SIOCIWFIRSTPRIV+2
2746#define PRISM54_GET_MAC         SIOCIWFIRSTPRIV+3
2747#define PRISM54_ADD_MAC         SIOCIWFIRSTPRIV+4
2748
2749#define PRISM54_DEL_MAC         SIOCIWFIRSTPRIV+6
2750
2751#define PRISM54_KICK_MAC        SIOCIWFIRSTPRIV+8
2752
2753#define PRISM54_KICK_ALL        SIOCIWFIRSTPRIV+10
2754
2755#define PRISM54_GET_WPA         SIOCIWFIRSTPRIV+11
2756#define PRISM54_SET_WPA         SIOCIWFIRSTPRIV+12
2757
2758#define PRISM54_DBG_OID         SIOCIWFIRSTPRIV+14
2759#define PRISM54_DBG_GET_OID     SIOCIWFIRSTPRIV+15
2760#define PRISM54_DBG_SET_OID     SIOCIWFIRSTPRIV+16
2761
2762#define PRISM54_GET_OID         SIOCIWFIRSTPRIV+17
2763#define PRISM54_SET_OID_U32     SIOCIWFIRSTPRIV+18
2764#define PRISM54_SET_OID_STR     SIOCIWFIRSTPRIV+20
2765#define PRISM54_SET_OID_ADDR    SIOCIWFIRSTPRIV+22
2766
2767#define PRISM54_GET_PRISMHDR    SIOCIWFIRSTPRIV+23
2768#define PRISM54_SET_PRISMHDR    SIOCIWFIRSTPRIV+24
2769
2770#define IWPRIV_SET_U32(n,x)     { n, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
2771#define IWPRIV_SET_SSID(n,x)    { n, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
2772#define IWPRIV_SET_ADDR(n,x)    { n, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x }
2773#define IWPRIV_GET(n,x) { n, 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, "g_"x }
2774
2775#define IWPRIV_U32(n,x)         IWPRIV_SET_U32(n,x), IWPRIV_GET(n,x)
2776#define IWPRIV_SSID(n,x)        IWPRIV_SET_SSID(n,x), IWPRIV_GET(n,x)
2777#define IWPRIV_ADDR(n,x)        IWPRIV_SET_ADDR(n,x), IWPRIV_GET(n,x)
2778
2779/* Note : limited to 128 private ioctls (wireless tools 26) */
2780
2781static const struct iw_priv_args prism54_private_args[] = {
2782/*{ cmd, set_args, get_args, name } */
2783        {PRISM54_RESET, 0, 0, "reset"},
2784        {PRISM54_GET_PRISMHDR, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2785         "get_prismhdr"},
2786        {PRISM54_SET_PRISMHDR, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2787         "set_prismhdr"},
2788        {PRISM54_GET_POLICY, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2789         "getPolicy"},
2790        {PRISM54_SET_POLICY, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2791         "setPolicy"},
2792        {PRISM54_GET_MAC, 0, IW_PRIV_TYPE_ADDR | 64, "getMac"},
2793        {PRISM54_ADD_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
2794         "addMac"},
2795        {PRISM54_DEL_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
2796         "delMac"},
2797        {PRISM54_KICK_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,
2798         "kickMac"},
2799        {PRISM54_KICK_ALL, 0, 0, "kickAll"},
2800        {PRISM54_GET_WPA, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2801         "get_wpa"},
2802        {PRISM54_SET_WPA, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2803         "set_wpa"},
2804        {PRISM54_DBG_OID, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0,
2805         "dbg_oid"},
2806        {PRISM54_DBG_GET_OID, 0, IW_PRIV_TYPE_BYTE | 256, "dbg_get_oid"},
2807        {PRISM54_DBG_SET_OID, IW_PRIV_TYPE_BYTE | 256, 0, "dbg_set_oid"},
2808        /* --- sub-ioctls handlers --- */
2809        {PRISM54_GET_OID,
2810         0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, ""},
2811        {PRISM54_SET_OID_U32,
2812         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, ""},
2813        {PRISM54_SET_OID_STR,
2814         IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
2815        {PRISM54_SET_OID_ADDR,
2816         IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, ""},
2817        /* --- sub-ioctls definitions --- */
2818        IWPRIV_ADDR(GEN_OID_MACADDRESS, "addr"),
2819        IWPRIV_GET(GEN_OID_LINKSTATE, "linkstate"),
2820        IWPRIV_U32(DOT11_OID_BSSTYPE, "bsstype"),
2821        IWPRIV_ADDR(DOT11_OID_BSSID, "bssid"),
2822        IWPRIV_U32(DOT11_OID_STATE, "state"),
2823        IWPRIV_U32(DOT11_OID_AID, "aid"),
2824
2825        IWPRIV_SSID(DOT11_OID_SSIDOVERRIDE, "ssidoverride"),
2826
2827        IWPRIV_U32(DOT11_OID_MEDIUMLIMIT, "medlimit"),
2828        IWPRIV_U32(DOT11_OID_BEACONPERIOD, "beacon"),
2829        IWPRIV_U32(DOT11_OID_DTIMPERIOD, "dtimperiod"),
2830
2831        IWPRIV_U32(DOT11_OID_AUTHENABLE, "authenable"),
2832        IWPRIV_U32(DOT11_OID_PRIVACYINVOKED, "privinvok"),
2833        IWPRIV_U32(DOT11_OID_EXUNENCRYPTED, "exunencrypt"),
2834
2835        IWPRIV_U32(DOT11_OID_REKEYTHRESHOLD, "rekeythresh"),
2836
2837        IWPRIV_U32(DOT11_OID_MAXTXLIFETIME, "maxtxlife"),
2838        IWPRIV_U32(DOT11_OID_MAXRXLIFETIME, "maxrxlife"),
2839        IWPRIV_U32(DOT11_OID_ALOFT_FIXEDRATE, "fixedrate"),
2840        IWPRIV_U32(DOT11_OID_MAXFRAMEBURST, "frameburst"),
2841        IWPRIV_U32(DOT11_OID_PSM, "psm"),
2842
2843        IWPRIV_U32(DOT11_OID_BRIDGELOCAL, "bridge"),
2844        IWPRIV_U32(DOT11_OID_CLIENTS, "clients"),
2845        IWPRIV_U32(DOT11_OID_CLIENTSASSOCIATED, "clientassoc"),
2846        IWPRIV_U32(DOT11_OID_DOT1XENABLE, "dot1xenable"),
2847        IWPRIV_U32(DOT11_OID_ANTENNARX, "rxant"),
2848        IWPRIV_U32(DOT11_OID_ANTENNATX, "txant"),
2849        IWPRIV_U32(DOT11_OID_ANTENNADIVERSITY, "antdivers"),
2850        IWPRIV_U32(DOT11_OID_EDTHRESHOLD, "edthresh"),
2851        IWPRIV_U32(DOT11_OID_PREAMBLESETTINGS, "preamble"),
2852        IWPRIV_GET(DOT11_OID_RATES, "rates"),
2853        IWPRIV_U32(DOT11_OID_OUTPUTPOWER, ".11outpower"),
2854        IWPRIV_GET(DOT11_OID_SUPPORTEDRATES, "supprates"),
2855        IWPRIV_GET(DOT11_OID_SUPPORTEDFREQUENCIES, "suppfreq"),
2856
2857        IWPRIV_U32(DOT11_OID_NOISEFLOOR, "noisefloor"),
2858        IWPRIV_GET(DOT11_OID_FREQUENCYACTIVITY, "freqactivity"),
2859        IWPRIV_U32(DOT11_OID_NONERPPROTECTION, "nonerpprotec"),
2860        IWPRIV_U32(DOT11_OID_PROFILES, "profile"),
2861        IWPRIV_GET(DOT11_OID_EXTENDEDRATES, "extrates"),
2862        IWPRIV_U32(DOT11_OID_MLMEAUTOLEVEL, "mlmelevel"),
2863
2864        IWPRIV_GET(DOT11_OID_BSSS, "bsss"),
2865        IWPRIV_GET(DOT11_OID_BSSLIST, "bsslist"),
2866        IWPRIV_U32(OID_INL_MODE, "mode"),
2867        IWPRIV_U32(OID_INL_CONFIG, "config"),
2868        IWPRIV_U32(OID_INL_DOT11D_CONFORMANCE, ".11dconform"),
2869        IWPRIV_GET(OID_INL_PHYCAPABILITIES, "phycapa"),
2870        IWPRIV_U32(OID_INL_OUTPUTPOWER, "outpower"),
2871};
2872
2873static const iw_handler prism54_private_handler[] = {
2874        (iw_handler) prism54_reset,
2875        (iw_handler) prism54_get_policy,
2876        (iw_handler) prism54_set_policy,
2877        (iw_handler) prism54_get_mac,
2878        (iw_handler) prism54_add_mac,
2879        (iw_handler) NULL,
2880        (iw_handler) prism54_del_mac,
2881        (iw_handler) NULL,
2882        (iw_handler) prism54_kick_mac,
2883        (iw_handler) NULL,
2884        (iw_handler) prism54_kick_all,
2885        (iw_handler) prism54_get_wpa,
2886        (iw_handler) prism54_set_wpa,
2887        (iw_handler) NULL,
2888        (iw_handler) prism54_debug_oid,
2889        (iw_handler) prism54_debug_get_oid,
2890        (iw_handler) prism54_debug_set_oid,
2891        (iw_handler) prism54_get_oid,
2892        (iw_handler) prism54_set_u32,
2893        (iw_handler) NULL,
2894        (iw_handler) prism54_set_raw,
2895        (iw_handler) NULL,
2896        (iw_handler) prism54_set_raw,
2897        (iw_handler) prism54_get_prismhdr,
2898        (iw_handler) prism54_set_prismhdr,
2899};
2900
2901const struct iw_handler_def prism54_handler_def = {
2902        .num_standard = ARRAY_SIZE(prism54_handler),
2903        .num_private = ARRAY_SIZE(prism54_private_handler),
2904        .num_private_args = ARRAY_SIZE(prism54_private_args),
2905        .standard = (iw_handler *) prism54_handler,
2906        .private = (iw_handler *) prism54_private_handler,
2907        .private_args = (struct iw_priv_args *) prism54_private_args,
2908        .get_wireless_stats = prism54_get_wireless_stats,
2909};
2910
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