drivers/net/wireless/bcm43xx/bcm43xx_wx.c

   1 /*
   2
   3   Broadcom BCM43xx wireless driver
   4
   5   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
   6                      Stefano Brivio <st3@riseup.net>
   7                      Michael Buesch <mbuesch@freenet.de>
   8                      Danny van Dyk <kugelfang@gentoo.org>
   9                      Andreas Jaggi <andreas.jaggi@waterwave.ch>
  10
  11   Some parts of the code in this file are derived from the ipw2200
  12   driver  Copyright(c) 2003 - 2004 Intel Corporation.
  13
  14   This program is free software; you can redistribute it and/or modify
  15   it under the terms of the GNU General Public License as published by
  16   the Free Software Foundation; either version 2 of the License, or
  17   (at your option) any later version.
  18
  19   This program is distributed in the hope that it will be useful,
  20   but WITHOUT ANY WARRANTY; without even the implied warranty of
  21   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22   GNU General Public License for more details.
  23
  24   You should have received a copy of the GNU General Public License
  25   along with this program; see the file COPYING.  If not, write to
  26   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  27   Boston, MA 02110-1301, USA.
  28
  29 */
  30
  31 #include <linux/wireless.h>
  32 #include <net/iw_handler.h>
  33 #include <net/ieee80211softmac.h>
  34 #include <net/ieee80211softmac_wx.h>
  35 #include <linux/capability.h>
  36 #include <linux/sched.h> /* for capable() */
  37 #include <linux/delay.h>
  38
  39 #include "bcm43xx.h"
  40 #include "bcm43xx_wx.h"
  41 #include "bcm43xx_main.h"
  42 #include "bcm43xx_radio.h"
  43
  44
  45 /* The WIRELESS_EXT version, which is implemented by this driver. */
  46 #define BCM43xx_WX_VERSION      18
  47
  48
  49 /* Define to enable a printk on each wx handler function invocation */
  50 //#define BCM43xx_WX_DEBUG
  51
  52
  53 #ifdef BCM43xx_WX_DEBUG
  54 # define printk_wx              printk
  55 #else
  56 # define printk_wx(x...)        do { /* nothing */ } while (0)
  57 #endif
  58 #define wx_enter()              printk_wx(KERN_INFO PFX "WX handler called: %s\n", __FUNCTION__);
  59
  60 #define MAX_WX_STRING           80
  61
  62
  63 static int bcm43xx_wx_get_name(struct net_device *net_dev,
  64                                struct iw_request_info *info,
  65                                union iwreq_data *data,
  66                                char *extra)
  67 {
  68         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
  69         unsigned long flags;
  70         int i, nr_80211;
  71         struct bcm43xx_phyinfo *phy;
  72         char suffix[7] = { 0 };
  73         int have_a = 0, have_b = 0, have_g = 0;
  74
  75         wx_enter();
  76
  77         spin_lock_irqsave(&bcm->lock, flags);
  78         nr_80211 = bcm43xx_num_80211_cores(bcm);
  79         for (i = 0; i < nr_80211; i++) {
  80                 phy = bcm->phy + i;
  81                 switch (phy->type) {
  82                 case BCM43xx_PHYTYPE_A:
  83                         have_a = 1;
  84                         break;
  85                 case BCM43xx_PHYTYPE_G:
  86                         have_g = 1;
  87                 case BCM43xx_PHYTYPE_B:
  88                         have_b = 1;
  89                         break;
  90                 default:
  91                         assert(0);
  92                 }
  93         }
  94         spin_unlock_irqrestore(&bcm->lock, flags);
  95
  96         i = 0;
  97         if (have_a) {
  98                 suffix[i++] = 'a';
  99                 suffix[i++] = '/';
 100         }
 101         if (have_b) {
 102                 suffix[i++] = 'b';
 103                 suffix[i++] = '/';
 104         }
 105         if (have_g) {
 106                 suffix[i++] = 'g';
 107                 suffix[i++] = '/';
 108         }
 109         if (i != 0)
 110                 suffix[i - 1] = '\0';
 111
 112         snprintf(data->name, IFNAMSIZ, "IEEE 802.11%s", suffix);
 113
 114         return 0;
 115 }
 116
 117 static int bcm43xx_wx_set_channelfreq(struct net_device *net_dev,
 118                                       struct iw_request_info *info,
 119                                       union iwreq_data *data,
 120                                       char *extra)
 121 {
 122         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 123         struct ieee80211softmac_device *softmac = bcm->softmac;
 124         unsigned long flags;
 125         u8 channel;
 126         int freq;
 127         int err = 0;
 128
 129         wx_enter();
 130
 131         if ((data->freq.m >= 0) && (data->freq.m <= 1000)) {
 132                 channel = data->freq.m;
 133                 freq = bcm43xx_channel_to_freq(bcm, channel);
 134         } else {
 135                 channel = bcm43xx_freq_to_channel(bcm, data->freq.m);
 136                 freq = data->freq.m;
 137         }
 138         if (!bcm43xx_is_valid_channel(bcm, channel))
 139                 return -EINVAL;
 140
 141         spin_lock_irqsave(&bcm->lock, flags);
 142         if (bcm->initialized) {
 143                 //ieee80211softmac_disassoc(softmac, $REASON);
 144                 bcm43xx_mac_suspend(bcm);
 145                 err = bcm43xx_radio_selectchannel(bcm, channel, 0);
 146                 bcm43xx_mac_enable(bcm);
 147         } else
 148                 bcm->current_core->radio->initial_channel = channel;
 149         spin_unlock_irqrestore(&bcm->lock, flags);
 150         if (!err)
 151                 printk_wx(KERN_INFO PFX "Selected channel: %d\n", channel);
 152
 153         return err;
 154 }
 155
 156 static int bcm43xx_wx_get_channelfreq(struct net_device *net_dev,
 157                                       struct iw_request_info *info,
 158                                       union iwreq_data *data,
 159                                       char *extra)
 160 {
 161         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 162         unsigned long flags;
 163         int err = -ENODEV;
 164         u16 channel;
 165
 166         wx_enter();
 167
 168         spin_lock_irqsave(&bcm->lock, flags);
 169         channel = bcm->current_core->radio->channel;
 170         if (channel == 0xFF) {
 171                 assert(!bcm->initialized);
 172                 channel = bcm->current_core->radio->initial_channel;
 173                 if (channel == 0xFF)
 174                         goto out_unlock;
 175         }
 176         assert(channel > 0 && channel <= 1000);
 177         data->freq.e = 1;
 178         data->freq.m = bcm43xx_channel_to_freq(bcm, channel) * 100000;
 179         data->freq.flags = 1;
 180
 181         err = 0;
 182 out_unlock:
 183         spin_unlock_irqrestore(&bcm->lock, flags);
 184
 185         return err;
 186 }
 187
 188 static int bcm43xx_wx_set_mode(struct net_device *net_dev,
 189                                struct iw_request_info *info,
 190                                union iwreq_data *data,
 191                                char *extra)
 192 {
 193         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 194         unsigned long flags;
 195         int mode;
 196
 197         wx_enter();
 198
 199         mode = data->mode;
 200         if (mode == IW_MODE_AUTO)
 201                 mode = BCM43xx_INITIAL_IWMODE;
 202
 203         spin_lock_irqsave(&bcm->lock, flags);
 204         if (bcm->ieee->iw_mode != mode)
 205                 bcm43xx_set_iwmode(bcm, mode);
 206         spin_unlock_irqrestore(&bcm->lock, flags);
 207
 208         return 0;
 209 }
 210
 211 static int bcm43xx_wx_get_mode(struct net_device *net_dev,
 212                                struct iw_request_info *info,
 213                                union iwreq_data *data,
 214                                char *extra)
 215 {
 216         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 217         unsigned long flags;
 218
 219         wx_enter();
 220
 221         spin_lock_irqsave(&bcm->lock, flags);
 222         data->mode = bcm->ieee->iw_mode;
 223         spin_unlock_irqrestore(&bcm->lock, flags);
 224
 225         return 0;
 226 }
 227
 228 static int bcm43xx_wx_set_sensitivity(struct net_device *net_dev,
 229                                       struct iw_request_info *info,
 230                                       union iwreq_data *data,
 231                                       char *extra)
 232 {
 233         wx_enter();
 234         /*TODO*/
 235         return 0;
 236 }
 237
 238 static int bcm43xx_wx_get_sensitivity(struct net_device *net_dev,
 239                                       struct iw_request_info *info,
 240                                       union iwreq_data *data,
 241                                       char *extra)
 242 {
 243         wx_enter();
 244         /*TODO*/
 245         return 0;
 246 }
 247
 248 static int bcm43xx_wx_get_rangeparams(struct net_device *net_dev,
 249                                       struct iw_request_info *info,
 250                                       union iwreq_data *data,
 251                                       char *extra)
 252 {
 253         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 254         struct iw_range *range = (struct iw_range *)extra;
 255         const struct ieee80211_geo *geo;
 256         unsigned long flags;
 257         int i, j;
 258
 259         wx_enter();
 260
 261         data->data.length = sizeof(*range);
 262         memset(range, 0, sizeof(*range));
 263
 264         //TODO: What about 802.11b?
 265         /* 54Mb/s == ~27Mb/s payload throughput (802.11g) */
 266         range->throughput = 27 * 1000 * 1000;
 267
 268         range->max_qual.qual = 100;
 269         /* TODO: Real max RSSI */
 270         range->max_qual.level = 0;
 271         range->max_qual.noise = 0;
 272         range->max_qual.updated = 7;
 273
 274         range->avg_qual.qual = 70;
 275         range->avg_qual.level = 0;
 276         range->avg_qual.noise = 0;
 277         range->avg_qual.updated = 7;
 278
 279         range->min_rts = BCM43xx_MIN_RTS_THRESHOLD;
 280         range->max_rts = BCM43xx_MAX_RTS_THRESHOLD;
 281         range->min_frag = MIN_FRAG_THRESHOLD;
 282         range->max_frag = MAX_FRAG_THRESHOLD;
 283
 284         range->encoding_size[0] = 5;
 285         range->encoding_size[1] = 13;
 286         range->num_encoding_sizes = 2;
 287         range->max_encoding_tokens = WEP_KEYS;
 288
 289         range->we_version_compiled = WIRELESS_EXT;
 290         range->we_version_source = BCM43xx_WX_VERSION;
 291
 292         range->enc_capa = IW_ENC_CAPA_WPA |
 293                           IW_ENC_CAPA_WPA2 |
 294                           IW_ENC_CAPA_CIPHER_TKIP |
 295                           IW_ENC_CAPA_CIPHER_CCMP;
 296
 297         spin_lock_irqsave(&bcm->lock, flags);
 298
 299         range->num_bitrates = 0;
 300         i = 0;
 301         if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A ||
 302             bcm->current_core->phy->type == BCM43xx_PHYTYPE_G) {
 303                 range->num_bitrates = 8;
 304                 range->bitrate[i++] = IEEE80211_OFDM_RATE_6MB;
 305                 range->bitrate[i++] = IEEE80211_OFDM_RATE_9MB;
 306                 range->bitrate[i++] = IEEE80211_OFDM_RATE_12MB;
 307                 range->bitrate[i++] = IEEE80211_OFDM_RATE_18MB;
 308                 range->bitrate[i++] = IEEE80211_OFDM_RATE_24MB;
 309                 range->bitrate[i++] = IEEE80211_OFDM_RATE_36MB;
 310                 range->bitrate[i++] = IEEE80211_OFDM_RATE_48MB;
 311                 range->bitrate[i++] = IEEE80211_OFDM_RATE_54MB;
 312         }
 313         if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_B ||
 314             bcm->current_core->phy->type == BCM43xx_PHYTYPE_G) {
 315                 range->num_bitrates += 4;
 316                 range->bitrate[i++] = IEEE80211_CCK_RATE_1MB;
 317                 range->bitrate[i++] = IEEE80211_CCK_RATE_2MB;
 318                 range->bitrate[i++] = IEEE80211_CCK_RATE_5MB;
 319                 range->bitrate[i++] = IEEE80211_CCK_RATE_11MB;
 320         }
 321
 322         geo = ieee80211_get_geo(bcm->ieee);
 323         range->num_channels = geo->a_channels + geo->bg_channels;
 324         j = 0;
 325         for (i = 0; i < geo->a_channels; i++) {
 326                 if (j == IW_MAX_FREQUENCIES)
 327                         break;
 328                 range->freq[j].i = j + 1;
 329                 range->freq[j].m = geo->a[i].freq;//FIXME?
 330                 range->freq[j].e = 1;
 331                 j++;
 332         }
 333         for (i = 0; i < geo->bg_channels; i++) {
 334                 if (j == IW_MAX_FREQUENCIES)
 335                         break;
 336                 range->freq[j].i = j + 1;
 337                 range->freq[j].m = geo->bg[i].freq;//FIXME?
 338                 range->freq[j].e = 1;
 339                 j++;
 340         }
 341         range->num_frequency = j;
 342
 343         spin_unlock_irqrestore(&bcm->lock, flags);
 344
 345         return 0;
 346 }
 347
 348 static int bcm43xx_wx_set_nick(struct net_device *net_dev,
 349                                struct iw_request_info *info,
 350                                union iwreq_data *data,
 351                                char *extra)
 352 {
 353         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 354         unsigned long flags;
 355         size_t len;
 356
 357         wx_enter();
 358
 359         spin_lock_irqsave(&bcm->lock, flags);
 360         len =  min((size_t)data->data.length, (size_t)IW_ESSID_MAX_SIZE);
 361         memcpy(bcm->nick, extra, len);
 362         bcm->nick[len] = '\0';
 363         spin_unlock_irqrestore(&bcm->lock, flags);
 364
 365         return 0;
 366 }
 367
 368 static int bcm43xx_wx_get_nick(struct net_device *net_dev,
 369                                struct iw_request_info *info,
 370                                union iwreq_data *data,
 371                                char *extra)
 372 {
 373         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 374         unsigned long flags;
 375         size_t len;
 376
 377         wx_enter();
 378
 379         spin_lock_irqsave(&bcm->lock, flags);
 380         len = strlen(bcm->nick) + 1;
 381         memcpy(extra, bcm->nick, len);
 382         data->data.length = (__u16)len;
 383         data->data.flags = 1;
 384         spin_unlock_irqrestore(&bcm->lock, flags);
 385
 386         return 0;
 387 }
 388
 389 static int bcm43xx_wx_set_rts(struct net_device *net_dev,
 390                               struct iw_request_info *info,
 391                               union iwreq_data *data,
 392                               char *extra)
 393 {
 394         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 395         unsigned long flags;
 396         int err = -EINVAL;
 397
 398         wx_enter();
 399
 400         spin_lock_irqsave(&bcm->lock, flags);
 401         if (data->rts.disabled) {
 402                 bcm->rts_threshold = BCM43xx_MAX_RTS_THRESHOLD;
 403                 err = 0;
 404         } else {
 405                 if (data->rts.value >= BCM43xx_MIN_RTS_THRESHOLD &&
 406                     data->rts.value <= BCM43xx_MAX_RTS_THRESHOLD) {
 407                         bcm->rts_threshold = data->rts.value;
 408                         err = 0;
 409                 }
 410         }
 411         spin_unlock_irqrestore(&bcm->lock, flags);
 412
 413         return err;
 414 }
 415
 416 static int bcm43xx_wx_get_rts(struct net_device *net_dev,
 417                               struct iw_request_info *info,
 418                               union iwreq_data *data,
 419                               char *extra)
 420 {
 421         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 422         unsigned long flags;
 423
 424         wx_enter();
 425
 426         spin_lock_irqsave(&bcm->lock, flags);
 427         data->rts.value = bcm->rts_threshold;
 428         data->rts.fixed = 0;
 429         data->rts.disabled = (bcm->rts_threshold == BCM43xx_MAX_RTS_THRESHOLD);
 430         spin_unlock_irqrestore(&bcm->lock, flags);
 431
 432         return 0;
 433 }
 434
 435 static int bcm43xx_wx_set_frag(struct net_device *net_dev,
 436                                struct iw_request_info *info,
 437                                union iwreq_data *data,
 438                                char *extra)
 439 {
 440         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 441         unsigned long flags;
 442         int err = -EINVAL;
 443
 444         wx_enter();
 445
 446         spin_lock_irqsave(&bcm->lock, flags);
 447         if (data->frag.disabled) {
 448                 bcm->ieee->fts = MAX_FRAG_THRESHOLD;
 449                 err = 0;
 450         } else {
 451                 if (data->frag.value >= MIN_FRAG_THRESHOLD &&
 452                     data->frag.value <= MAX_FRAG_THRESHOLD) {
 453                         bcm->ieee->fts = data->frag.value & ~0x1;
 454                         err = 0;
 455                 }
 456         }
 457         spin_unlock_irqrestore(&bcm->lock, flags);
 458
 459         return err;
 460 }
 461
 462 static int bcm43xx_wx_get_frag(struct net_device *net_dev,
 463                                struct iw_request_info *info,
 464                                union iwreq_data *data,
 465                                char *extra)
 466 {
 467         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 468         unsigned long flags;
 469
 470         wx_enter();
 471
 472         spin_lock_irqsave(&bcm->lock, flags);
 473         data->frag.value = bcm->ieee->fts;
 474         data->frag.fixed = 0;
 475         data->frag.disabled = (bcm->ieee->fts == MAX_FRAG_THRESHOLD);
 476         spin_unlock_irqrestore(&bcm->lock, flags);
 477
 478         return 0;
 479 }
 480
 481 static int bcm43xx_wx_set_xmitpower(struct net_device *net_dev,
 482                                     struct iw_request_info *info,
 483                                     union iwreq_data *data,
 484                                     char *extra)
 485 {
 486         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 487         unsigned long flags;
 488         int err = -ENODEV;
 489
 490         wx_enter();
 491
 492         spin_lock_irqsave(&bcm->lock, flags);
 493         if (!bcm->initialized)
 494                 goto out_unlock;
 495         if (data->power.disabled != (!(bcm->current_core->radio->enabled))) {
 496                 if (data->power.disabled)
 497                         bcm43xx_radio_turn_off(bcm);
 498                 else
 499                         bcm43xx_radio_turn_on(bcm);
 500         }
 501         //TODO: set txpower.
 502         err = 0;
 503
 504 out_unlock:
 505         spin_unlock_irqrestore(&bcm->lock, flags);
 506
 507         return err;
 508 }
 509
 510 static int bcm43xx_wx_get_xmitpower(struct net_device *net_dev,
 511                                     struct iw_request_info *info,
 512                                     union iwreq_data *data,
 513                                     char *extra)
 514 {
 515         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 516         unsigned long flags;
 517
 518         wx_enter();
 519
 520         spin_lock_irqsave(&bcm->lock, flags);
 521 //TODO  data->power.value = ???
 522         data->power.fixed = 1;
 523         data->power.flags = IW_TXPOW_DBM;
 524         data->power.disabled = !(bcm->current_core->radio->enabled);
 525         spin_unlock_irqrestore(&bcm->lock, flags);
 526
 527         return 0;
 528 }
 529
 530 static int bcm43xx_wx_set_retry(struct net_device *net_dev,
 531                                 struct iw_request_info *info,
 532                                 union iwreq_data *data,
 533                                 char *extra)
 534 {
 535         wx_enter();
 536         /*TODO*/
 537         return 0;
 538 }
 539
 540 static int bcm43xx_wx_get_retry(struct net_device *net_dev,
 541                                 struct iw_request_info *info,
 542                                 union iwreq_data *data,
 543                                 char *extra)
 544 {
 545         wx_enter();
 546         /*TODO*/
 547         return 0;
 548 }
 549
 550 static int bcm43xx_wx_set_encoding(struct net_device *net_dev,
 551                                    struct iw_request_info *info,
 552                                    union iwreq_data *data,
 553                                    char *extra)
 554 {
 555         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 556         int err;
 557
 558         wx_enter();
 559
 560         err = ieee80211_wx_set_encode(bcm->ieee, info, data, extra);
 561
 562         return err;
 563 }
 564
 565 static int bcm43xx_wx_set_encodingext(struct net_device *net_dev,
 566                                    struct iw_request_info *info,
 567                                    union iwreq_data *data,
 568                                    char *extra)
 569 {
 570         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 571         int err;
 572
 573         wx_enter();
 574
 575         err = ieee80211_wx_set_encodeext(bcm->ieee, info, data, extra);
 576
 577         return err;
 578 }
 579
 580 static int bcm43xx_wx_get_encoding(struct net_device *net_dev,
 581                                    struct iw_request_info *info,
 582                                    union iwreq_data *data,
 583                                    char *extra)
 584 {
 585         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 586         int err;
 587
 588         wx_enter();
 589
 590         err = ieee80211_wx_get_encode(bcm->ieee, info, data, extra);
 591
 592         return err;
 593 }
 594
 595 static int bcm43xx_wx_get_encodingext(struct net_device *net_dev,
 596                                    struct iw_request_info *info,
 597                                    union iwreq_data *data,
 598                                    char *extra)
 599 {
 600         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 601         int err;
 602
 603         wx_enter();
 604
 605         err = ieee80211_wx_get_encodeext(bcm->ieee, info, data, extra);
 606
 607         return err;
 608 }
 609
 610 static int bcm43xx_wx_set_power(struct net_device *net_dev,
 611                                 struct iw_request_info *info,
 612                                 union iwreq_data *data,
 613                                 char *extra)
 614 {
 615         wx_enter();
 616         /*TODO*/
 617         return 0;
 618 }
 619
 620 static int bcm43xx_wx_get_power(struct net_device *net_dev,
 621                                 struct iw_request_info *info,
 622                                 union iwreq_data *data,
 623                                 char *extra)
 624 {
 625         wx_enter();
 626         /*TODO*/
 627         return 0;
 628 }
 629
 630 static int bcm43xx_wx_set_interfmode(struct net_device *net_dev,
 631                                      struct iw_request_info *info,
 632                                      union iwreq_data *data,
 633                                      char *extra)
 634 {
 635         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 636         unsigned long flags;
 637         int mode, err = 0;
 638
 639         wx_enter();
 640
 641         mode = *((int *)extra);
 642         switch (mode) {
 643         case 0:
 644                 mode = BCM43xx_RADIO_INTERFMODE_NONE;
 645                 break;
 646         case 1:
 647                 mode = BCM43xx_RADIO_INTERFMODE_NONWLAN;
 648                 break;
 649         case 2:
 650                 mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN;
 651                 break;
 652         case 3:
 653                 mode = BCM43xx_RADIO_INTERFMODE_AUTOWLAN;
 654                 break;
 655         default:
 656                 printk(KERN_ERR PFX "set_interfmode allowed parameters are: "
 657                                     "0 => None,  1 => Non-WLAN,  2 => WLAN,  "
 658                                     "3 => Auto-WLAN\n");
 659                 return -EINVAL;
 660         }
 661
 662         spin_lock_irqsave(&bcm->lock, flags);
 663         if (bcm->initialized) {
 664                 err = bcm43xx_radio_set_interference_mitigation(bcm, mode);
 665                 if (err) {
 666                         printk(KERN_ERR PFX "Interference Mitigation not "
 667                                             "supported by device\n");
 668                 }
 669         } else {
 670                 if (mode == BCM43xx_RADIO_INTERFMODE_AUTOWLAN) {
 671                         printk(KERN_ERR PFX "Interference Mitigation mode Auto-WLAN "
 672                                             "not supported while the interface is down.\n");
 673                         err = -ENODEV;
 674                 } else
 675                         bcm->current_core->radio->interfmode = mode;
 676         }
 677         spin_unlock_irqrestore(&bcm->lock, flags);
 678
 679         return err;
 680 }
 681
 682 static int bcm43xx_wx_get_interfmode(struct net_device *net_dev,
 683                                      struct iw_request_info *info,
 684                                      union iwreq_data *data,
 685                                      char *extra)
 686 {
 687         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 688         unsigned long flags;
 689         int mode;
 690
 691         wx_enter();
 692
 693         spin_lock_irqsave(&bcm->lock, flags);
 694         mode = bcm->current_core->radio->interfmode;
 695         spin_unlock_irqrestore(&bcm->lock, flags);
 696
 697         switch (mode) {
 698         case BCM43xx_RADIO_INTERFMODE_NONE:
 699                 strncpy(extra, "0 (No Interference Mitigation)", MAX_WX_STRING);
 700                 break;
 701         case BCM43xx_RADIO_INTERFMODE_NONWLAN:
 702                 strncpy(extra, "1 (Non-WLAN Interference Mitigation)", MAX_WX_STRING);
 703                 break;
 704         case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
 705                 strncpy(extra, "2 (WLAN Interference Mitigation)", MAX_WX_STRING);
 706                 break;
 707         default:
 708                 assert(0);
 709         }
 710         data->data.length = strlen(extra) + 1;
 711
 712         return 0;
 713 }
 714
 715 static int bcm43xx_wx_set_shortpreamble(struct net_device *net_dev,
 716                                         struct iw_request_info *info,
 717                                         union iwreq_data *data,
 718                                         char *extra)
 719 {
 720         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 721         unsigned long flags;
 722         int on;
 723
 724         wx_enter();
 725
 726         on = *((int *)extra);
 727         spin_lock_irqsave(&bcm->lock, flags);
 728         bcm->short_preamble = !!on;
 729         spin_unlock_irqrestore(&bcm->lock, flags);
 730
 731         return 0;
 732 }
 733
 734 static int bcm43xx_wx_get_shortpreamble(struct net_device *net_dev,
 735                                         struct iw_request_info *info,
 736                                         union iwreq_data *data,
 737                                         char *extra)
 738 {
 739         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 740         unsigned long flags;
 741         int on;
 742
 743         wx_enter();
 744
 745         spin_lock_irqsave(&bcm->lock, flags);
 746         on = bcm->short_preamble;
 747         spin_unlock_irqrestore(&bcm->lock, flags);
 748
 749         if (on)
 750                 strncpy(extra, "1 (Short Preamble enabled)", MAX_WX_STRING);
 751         else
 752                 strncpy(extra, "0 (Short Preamble disabled)", MAX_WX_STRING);
 753         data->data.length = strlen(extra) + 1;
 754
 755         return 0;
 756 }
 757
 758 static int bcm43xx_wx_set_swencryption(struct net_device *net_dev,
 759                                        struct iw_request_info *info,
 760                                        union iwreq_data *data,
 761                                        char *extra)
 762 {
 763         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 764         unsigned long flags;
 765         int on;
 766
 767         wx_enter();
 768
 769         on = *((int *)extra);
 770         spin_lock_irqsave(&bcm->lock, flags);
 771         bcm->ieee->host_encrypt = !!on;
 772         bcm->ieee->host_decrypt = !!on;
 773         bcm->ieee->host_build_iv = !on;
 774
 775         spin_unlock_irqrestore(&bcm->lock, flags);
 776
 777         return 0;
 778 }
 779
 780 static int bcm43xx_wx_get_swencryption(struct net_device *net_dev,
 781                                        struct iw_request_info *info,
 782                                        union iwreq_data *data,
 783                                        char *extra)
 784 {
 785         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 786         unsigned long flags;
 787         int on;
 788
 789         wx_enter();
 790
 791         spin_lock_irqsave(&bcm->lock, flags);
 792         on = bcm->ieee->host_encrypt;
 793         spin_unlock_irqrestore(&bcm->lock, flags);
 794
 795         if (on)
 796                 strncpy(extra, "1 (SW encryption enabled) ", MAX_WX_STRING);
 797         else
 798                 strncpy(extra, "0 (SW encryption disabled) ", MAX_WX_STRING);
 799         data->data.length = strlen(extra + 1);
 800
 801         return 0;
 802 }
 803
 804 /* Enough buffer to hold a hexdump of the sprom data. */
 805 #define SPROM_BUFFERSIZE        512
 806
 807 static int sprom2hex(const u16 *sprom, char *dump)
 808 {
 809         int i, pos = 0;
 810
 811         for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
 812                 pos += snprintf(dump + pos, SPROM_BUFFERSIZE - pos - 1,
 813                                 "%04X", swab16(sprom[i]) & 0xFFFF);
 814         }
 815
 816         return pos + 1;
 817 }
 818
 819 static int hex2sprom(u16 *sprom, const char *dump, unsigned int len)
 820 {
 821         char tmp[5] = { 0 };
 822         int cnt = 0;
 823         unsigned long parsed;
 824         u8 crc, expected_crc;
 825
 826         if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2)
 827                 return -EINVAL;
 828         while (cnt < BCM43xx_SPROM_SIZE) {
 829                 memcpy(tmp, dump, 4);
 830                 dump += 4;
 831                 parsed = simple_strtoul(tmp, NULL, 16);
 832                 sprom[cnt++] = swab16((u16)parsed);
 833         }
 834
 835         crc = bcm43xx_sprom_crc(sprom);
 836         expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8;
 837         if (crc != expected_crc) {
 838                 printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n");
 839                 return -EINVAL;
 840         }
 841
 842         return 0;
 843 }
 844
 845 static int bcm43xx_wx_sprom_read(struct net_device *net_dev,
 846                                  struct iw_request_info *info,
 847                                  union iwreq_data *data,
 848                                  char *extra)
 849 {
 850         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 851         int err = -EPERM, i;
 852         u16 *sprom;
 853         unsigned long flags;
 854
 855         if (!capable(CAP_SYS_RAWIO))
 856                 goto out;
 857
 858         err = -ENOMEM;
 859         sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom),
 860                         GFP_KERNEL);
 861         if (!sprom)
 862                 goto out;
 863
 864         spin_lock_irqsave(&bcm->lock, flags);
 865         err = -ENODEV;
 866         if (!bcm->initialized) {
 867                 spin_unlock_irqrestore(&bcm->lock, flags);
 868                 goto out_kfree;
 869         }
 870         for (i = 0; i < BCM43xx_SPROM_SIZE; i++)
 871                 sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2));
 872         spin_unlock_irqrestore(&bcm->lock, flags);
 873
 874         data->data.length = sprom2hex(sprom, extra);
 875
 876         err = 0;
 877 out_kfree:
 878         kfree(sprom);
 879 out:
 880         return err;
 881 }
 882
 883 static int bcm43xx_wx_sprom_write(struct net_device *net_dev,
 884                                   struct iw_request_info *info,
 885                                   union iwreq_data *data,
 886                                   char *extra)
 887 {
 888         struct bcm43xx_private *bcm = bcm43xx_priv(net_dev);
 889         int err = -EPERM;
 890         u16 *sprom;
 891         unsigned long flags;
 892         char *input;
 893         unsigned int len;
 894         u32 spromctl;
 895         int i;
 896
 897         if (!capable(CAP_SYS_RAWIO))
 898                 goto out;
 899
 900         err = -ENOMEM;
 901         sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom),
 902                         GFP_KERNEL);
 903         if (!sprom)
 904                 goto out;
 905
 906         len = data->data.length;
 907         extra[len - 1] = '\0';
 908         input = strchr(extra, ':');
 909         if (input) {
 910                 input++;
 911                 len -= input - extra;
 912         } else
 913                 input = extra;
 914         err = hex2sprom(sprom, input, len);
 915         if (err)
 916                 goto out_kfree;
 917
 918         spin_lock_irqsave(&bcm->lock, flags);
 919         err = -ENODEV;
 920         if (!bcm->initialized) {
 921                 spin_unlock_irqrestore(&bcm->lock, flags);
 922                 goto out_kfree;
 923         }
 924
 925         printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n");
 926         err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl);
 927         if (err) {
 928                 printk(KERN_ERR PFX "Could not access SPROM control register.\n");
 929                 goto out_unlock;
 930         }
 931         spromctl |= 0x10; /* SPROM WRITE enable. */
 932         bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
 933         if (err) {
 934                 printk(KERN_ERR PFX "Could not access SPROM control register.\n");
 935                 goto out_unlock;
 936         }
 937         /* We must burn lots of CPU cycles here, but that does not
 938          * really matter as one does not write the SPROM every other minute...
 939          */
 940         printk(KERN_INFO PFX "[ 0%%");
 941         mdelay(500);
 942         for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
 943                 if (i == 16)
 944                         printk("25%%");
 945                 else if (i == 32)
 946                         printk("50%%");
 947                 else if (i == 48)
 948                         printk("75%%");
 949                 else if (i % 2)
 950                         printk(".");
 951 //TODO          bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]);
 952                 mdelay(20);
 953         }
 954         spromctl &= ~0x10; /* SPROM WRITE enable. */
 955         bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl);
 956         if (err) {
 957                 printk(KERN_ERR PFX "Could not access SPROM control register.\n");
 958                 goto out_unlock;
 959         }
 960         mdelay(500);
 961         printk("100%% ]\n");
 962         printk(KERN_INFO PFX "SPROM written.\n");
 963         err = 0;
 964 out_unlock:
 965         spin_unlock_irqrestore(&bcm->lock, flags);
 966 out_kfree:
 967         kfree(sprom);
 968 out:
 969         return err;
 970 }
 971
 972
 973 #ifdef WX
 974 # undef WX
 975 #endif
 976 #define WX(ioctl)  [(ioctl) - SIOCSIWCOMMIT]
 977 static const iw_handler bcm43xx_wx_handlers[] = {
 978         /* Wireless Identification */
 979         WX(SIOCGIWNAME)         = bcm43xx_wx_get_name,
 980         /* Basic operations */
 981         WX(SIOCSIWFREQ)         = bcm43xx_wx_set_channelfreq,
 982         WX(SIOCGIWFREQ)         = bcm43xx_wx_get_channelfreq,
 983         WX(SIOCSIWMODE)         = bcm43xx_wx_set_mode,
 984         WX(SIOCGIWMODE)         = bcm43xx_wx_get_mode,
 985         /* Informative stuff */
 986         WX(SIOCGIWRANGE)        = bcm43xx_wx_get_rangeparams,
 987         /* Access Point manipulation */
 988         WX(SIOCSIWAP)           = ieee80211softmac_wx_set_wap,
 989         WX(SIOCGIWAP)           = ieee80211softmac_wx_get_wap,
 990         WX(SIOCSIWSCAN)         = ieee80211softmac_wx_trigger_scan,
 991         WX(SIOCGIWSCAN)         = ieee80211softmac_wx_get_scan_results,
 992         /* 802.11 specific support */
 993         WX(SIOCSIWESSID)        = ieee80211softmac_wx_set_essid,
 994         WX(SIOCGIWESSID)        = ieee80211softmac_wx_get_essid,
 995         WX(SIOCSIWNICKN)        = bcm43xx_wx_set_nick,
 996         WX(SIOCGIWNICKN)        = bcm43xx_wx_get_nick,
 997         /* Other parameters */
 998         WX(SIOCSIWRATE)         = ieee80211softmac_wx_set_rate,
 999         WX(SIOCGIWRATE)         = ieee80211softmac_wx_get_rate,
1000         WX(SIOCSIWRTS)          = bcm43xx_wx_set_rts,
1001         WX(SIOCGIWRTS)          = bcm43xx_wx_get_rts,
1002         WX(SIOCSIWFRAG)         = bcm43xx_wx_set_frag,
1003         WX(SIOCGIWFRAG)         = bcm43xx_wx_get_frag,
1004         WX(SIOCSIWTXPOW)        = bcm43xx_wx_set_xmitpower,
1005         WX(SIOCGIWTXPOW)        = bcm43xx_wx_get_xmitpower,
1006 //TODO  WX(SIOCSIWRETRY)        = bcm43xx_wx_set_retry,
1007 //TODO  WX(SIOCGIWRETRY)        = bcm43xx_wx_get_retry,
1008         /* Encoding */
1009         WX(SIOCSIWENCODE)       = bcm43xx_wx_set_encoding,
1010         WX(SIOCGIWENCODE)       = bcm43xx_wx_get_encoding,
1011         WX(SIOCSIWENCODEEXT)    = bcm43xx_wx_set_encodingext,
1012         WX(SIOCGIWENCODEEXT)    = bcm43xx_wx_get_encodingext,
1013         /* Power saving */
1014 //TODO  WX(SIOCSIWPOWER)        = bcm43xx_wx_set_power,
1015 //TODO  WX(SIOCGIWPOWER)        = bcm43xx_wx_get_power,
1016         WX(SIOCSIWGENIE)        = ieee80211softmac_wx_set_genie,
1017         WX(SIOCGIWGENIE)        = ieee80211softmac_wx_get_genie,
1018         WX(SIOCSIWAUTH)         = ieee80211_wx_set_auth,
1019         WX(SIOCGIWAUTH)         = ieee80211_wx_get_auth,
1020 };
1021 #undef WX
1022
1023 static const iw_handler bcm43xx_priv_wx_handlers[] = {
1024         /* Set Interference Mitigation Mode. */
1025         bcm43xx_wx_set_interfmode,
1026         /* Get Interference Mitigation Mode. */
1027         bcm43xx_wx_get_interfmode,
1028         /* Enable/Disable Short Preamble mode. */
1029         bcm43xx_wx_set_shortpreamble,
1030         /* Get Short Preamble mode. */
1031         bcm43xx_wx_get_shortpreamble,
1032         /* Enable/Disable Software Encryption mode */
1033         bcm43xx_wx_set_swencryption,
1034         /* Get Software Encryption mode */
1035         bcm43xx_wx_get_swencryption,
1036         /* Write SRPROM data. */
1037         bcm43xx_wx_sprom_write,
1038         /* Read SPROM data. */
1039         bcm43xx_wx_sprom_read,
1040 };
1041
1042 #define PRIV_WX_SET_INTERFMODE          (SIOCIWFIRSTPRIV + 0)
1043 #define PRIV_WX_GET_INTERFMODE          (SIOCIWFIRSTPRIV + 1)
1044 #define PRIV_WX_SET_SHORTPREAMBLE       (SIOCIWFIRSTPRIV + 2)
1045 #define PRIV_WX_GET_SHORTPREAMBLE       (SIOCIWFIRSTPRIV + 3)
1046 #define PRIV_WX_SET_SWENCRYPTION        (SIOCIWFIRSTPRIV + 4)
1047 #define PRIV_WX_GET_SWENCRYPTION        (SIOCIWFIRSTPRIV + 5)
1048 #define PRIV_WX_SPROM_WRITE             (SIOCIWFIRSTPRIV + 6)
1049 #define PRIV_WX_SPROM_READ              (SIOCIWFIRSTPRIV + 7)
1050
1051 #define PRIV_WX_DUMMY(ioctl)    \
1052         {                                       \
1053                 .cmd            = (ioctl),      \
1054                 .name           = "__unused"    \
1055         }
1056
1057 static const struct iw_priv_args bcm43xx_priv_wx_args[] = {
1058         {
1059                 .cmd            = PRIV_WX_SET_INTERFMODE,
1060                 .set_args       = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1061                 .name           = "set_interfmode",
1062         },
1063         {
1064                 .cmd            = PRIV_WX_GET_INTERFMODE,
1065                 .get_args       = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
1066                 .name           = "get_interfmode",
1067         },
1068         {
1069                 .cmd            = PRIV_WX_SET_SHORTPREAMBLE,
1070                 .set_args       = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1071                 .name           = "set_shortpreambl",
1072         },
1073         {
1074                 .cmd            = PRIV_WX_GET_SHORTPREAMBLE,
1075                 .get_args       = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
1076                 .name           = "get_shortpreambl",
1077         },
1078         {
1079                 .cmd            = PRIV_WX_SET_SWENCRYPTION,
1080                 .set_args       = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1081                 .name           = "set_swencryption",
1082         },
1083         {
1084                 .cmd            = PRIV_WX_GET_SWENCRYPTION,
1085                 .get_args       = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
1086                 .name           = "get_swencryption",
1087         },
1088         {
1089                 .cmd            = PRIV_WX_SPROM_WRITE,
1090                 .set_args       = IW_PRIV_TYPE_CHAR | SPROM_BUFFERSIZE,
1091                 .name           = "write_sprom",
1092         },
1093         {
1094                 .cmd            = PRIV_WX_SPROM_READ,
1095                 .get_args       = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | SPROM_BUFFERSIZE,
1096                 .name           = "read_sprom",
1097         },
1098 };
1099
1100 const struct iw_handler_def bcm43xx_wx_handlers_def = {
1101         .standard               = bcm43xx_wx_handlers,
1102         .num_standard           = ARRAY_SIZE(bcm43xx_wx_handlers),
1103         .num_private            = ARRAY_SIZE(bcm43xx_priv_wx_handlers),
1104         .num_private_args       = ARRAY_SIZE(bcm43xx_priv_wx_args),
1105         .private                = bcm43xx_priv_wx_handlers,
1106         .private_args           = bcm43xx_priv_wx_args,
1107 };
1108
1109 /* vim: set ts=8 sw=8 sts=8: */