SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/wireless/orinoco.c

   1 /* orinoco.c - (formerly known as dldwd_cs.c and orinoco_cs.c)
   2  *
   3  * A driver for Hermes or Prism 2 chipset based PCMCIA wireless
   4  * adaptors, with Lucent/Agere, Intersil or Symbol firmware.
   5  *
   6  * Current maintainers (as of 29 September 2003) are:
   7  *      Pavel Roskin <proski AT gnu.org>
   8  * and  David Gibson <hermes AT gibson.dropbear.id.au>
   9  *
  10  * (C) Copyright David Gibson, IBM Corporation 2001-2003.
  11  * Copyright (C) 2000 David Gibson, Linuxcare Australia.
  12  *      With some help from :
  13  * Copyright (C) 2001 Jean Tourrilhes, HP Labs
  14  * Copyright (C) 2001 Benjamin Herrenschmidt
  15  *
  16  * Based on dummy_cs.c 1.27 2000/06/12 21:27:25
  17  *
  18  * Portions based on wvlan_cs.c 1.0.6, Copyright Andreas Neuhaus <andy
  19  * AT fasta.fh-dortmund.de>
  20  *      http://www.stud.fh-dortmund.de/~andy/wvlan/
  21  *
  22  * The contents of this file are subject to the Mozilla Public License
  23  * Version 1.1 (the "License"); you may not use this file except in
  24  * compliance with the License. You may obtain a copy of the License
  25  * at http://www.mozilla.org/MPL/
  26  *
  27  * Software distributed under the License is distributed on an "AS IS"
  28  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
  29  * the License for the specific language governing rights and
  30  * limitations under the License.
  31  *
  32  * The initial developer of the original code is David A. Hinds
  33  * <dahinds AT users.sourceforge.net>.  Portions created by David
  34  * A. Hinds are Copyright (C) 1999 David A. Hinds.  All Rights
  35  * Reserved.
  36  *
  37  * Alternatively, the contents of this file may be used under the
  38  * terms of the GNU General Public License version 2 (the "GPL"), in
  39  * which case the provisions of the GPL are applicable instead of the
  40  * above.  If you wish to allow the use of your version of this file
  41  * only under the terms of the GPL and not to allow others to use your
  42  * version of this file under the MPL, indicate your decision by
  43  * deleting the provisions above and replace them with the notice and
  44  * other provisions required by the GPL.  If you do not delete the
  45  * provisions above, a recipient may use your version of this file
  46  * under either the MPL or the GPL.  */
  47
  48 /*
  49  * TODO
  50  *      o Handle de-encapsulation within network layer, provide 802.11
  51  *        headers (patch from Thomas 'Dent' Mirlacher)
  52  *      o Fix possible races in SPY handling.
  53  *      o Disconnect wireless extensions from fundamental configuration.
  54  *      o (maybe) Software WEP support (patch from Stano Meduna).
  55  *      o (maybe) Use multiple Tx buffers - driver handling queue
  56  *        rather than firmware.
  57  */
  58
  59 /* Locking and synchronization:
  60  *
  61  * The basic principle is that everything is serialized through a
  62  * single spinlock, priv->lock.  The lock is used in user, bh and irq
  63  * context, so when taken outside hardirq context it should always be
  64  * taken with interrupts disabled.  The lock protects both the
  65  * hardware and the struct orinoco_private.
  66  *
  67  * Another flag, priv->hw_unavailable indicates that the hardware is
  68  * unavailable for an extended period of time (e.g. suspended, or in
  69  * the middle of a hard reset).  This flag is protected by the
  70  * spinlock.  All code which touches the hardware should check the
  71  * flag after taking the lock, and if it is set, give up on whatever
  72  * they are doing and drop the lock again.  The orinoco_lock()
  73  * function handles this (it unlocks and returns -EBUSY if
  74  * hw_unavailable is non-zero).
  75  */
  76
  77 #define DRIVER_NAME "orinoco"
  78
  79 #include <linux/config.h>
  80 #include <linux/module.h>
  81 #include <linux/kernel.h>
  82 #include <linux/init.h>
  83 #include <linux/netdevice.h>
  84 #include <linux/etherdevice.h>
  85 #include <linux/ethtool.h>
  86 #include <linux/wireless.h>
  87 #include <net/iw_handler.h>
  88 #include <net/ieee80211.h>
  89
  90 #include "hermes_rid.h"
  91 #include "orinoco.h"
  92
  93 /********************************************************************/
  94 /* Module information                                               */
  95 /********************************************************************/
  96
  97 MODULE_AUTHOR("Pavel Roskin <proski@gnu.org> & David Gibson <hermes@gibson.dropbear.id.au>");
  98 MODULE_DESCRIPTION("Driver for Lucent Orinoco, Prism II based and similar wireless cards");
  99 MODULE_LICENSE("Dual MPL/GPL");
 100
 101 /* Level of debugging. Used in the macros in orinoco.h */
 102 #ifdef ORINOCO_DEBUG
 103 int orinoco_debug = ORINOCO_DEBUG;
 104 module_param(orinoco_debug, int, 0644);
 105 MODULE_PARM_DESC(orinoco_debug, "Debug level");
 106 EXPORT_SYMBOL(orinoco_debug);
 107 #endif
 108
 109 static int suppress_linkstatus; /* = 0 */
 110 module_param(suppress_linkstatus, bool, 0644);
 111 MODULE_PARM_DESC(suppress_linkstatus, "Don't log link status changes");
 112 static int ignore_disconnect; /* = 0 */
 113 module_param(ignore_disconnect, int, 0644);
 114 MODULE_PARM_DESC(ignore_disconnect, "Don't report lost link to the network layer");
 115
 116 static int force_monitor; /* = 0 */
 117 module_param(force_monitor, int, 0644);
 118 MODULE_PARM_DESC(force_monitor, "Allow monitor mode for all firmware versions");
 119
 120 /********************************************************************/
 121 /* Compile time configuration and compatibility stuff               */
 122 /********************************************************************/
 123
 124 /* We do this this way to avoid ifdefs in the actual code */
 125 #ifdef WIRELESS_SPY
 126 #define SPY_NUMBER(priv)        (priv->spy_data.spy_number)
 127 #else
 128 #define SPY_NUMBER(priv)        0
 129 #endif /* WIRELESS_SPY */
 130
 131 /********************************************************************/
 132 /* Internal constants                                               */
 133 /********************************************************************/
 134
 135 /* 802.2 LLC/SNAP header used for Ethernet encapsulation over 802.11 */
 136 static const u8 encaps_hdr[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
 137 #define ENCAPS_OVERHEAD         (sizeof(encaps_hdr) + 2)
 138
 139 #define ORINOCO_MIN_MTU         256
 140 #define ORINOCO_MAX_MTU         (IEEE80211_DATA_LEN - ENCAPS_OVERHEAD)
 141
 142 #define SYMBOL_MAX_VER_LEN      (14)
 143 #define USER_BAP                0
 144 #define IRQ_BAP                 1
 145 #define MAX_IRQLOOPS_PER_IRQ    10
 146 #define MAX_IRQLOOPS_PER_JIFFY  (20000/HZ) /* Based on a guestimate of
 147                                             * how many events the
 148                                             * device could
 149                                             * legitimately generate */
 150 #define SMALL_KEY_SIZE          5
 151 #define LARGE_KEY_SIZE          13
 152 #define TX_NICBUF_SIZE_BUG      1585            /* Bug in Symbol firmware */
 153
 154 #define DUMMY_FID               0xFFFF
 155
 156 /*#define MAX_MULTICAST(priv)   (priv->firmware_type == FIRMWARE_TYPE_AGERE ? \
 157   HERMES_MAX_MULTICAST : 0)*/
 158 #define MAX_MULTICAST(priv)     (HERMES_MAX_MULTICAST)
 159
 160 #define ORINOCO_INTEN           (HERMES_EV_RX | HERMES_EV_ALLOC \
 161                                  | HERMES_EV_TX | HERMES_EV_TXEXC \
 162                                  | HERMES_EV_WTERR | HERMES_EV_INFO \
 163                                  | HERMES_EV_INFDROP )
 164
 165 #define MAX_RID_LEN 1024
 166
 167 static const struct iw_handler_def orinoco_handler_def;
 168 static struct ethtool_ops orinoco_ethtool_ops;
 169
 170 /********************************************************************/
 171 /* Data tables                                                      */
 172 /********************************************************************/
 173
 174 /* The frequency of each channel in MHz */
 175 static const long channel_frequency[] = {
 176         2412, 2417, 2422, 2427, 2432, 2437, 2442,
 177         2447, 2452, 2457, 2462, 2467, 2472, 2484
 178 };
 179 #define NUM_CHANNELS ARRAY_SIZE(channel_frequency)
 180
 181 /* This tables gives the actual meanings of the bitrate IDs returned
 182  * by the firmware. */
 183 static struct {
 184         int bitrate; /* in 100s of kilobits */
 185         int automatic;
 186         u16 agere_txratectrl;
 187         u16 intersil_txratectrl;
 188 } bitrate_table[] = {
 189         {110, 1,  3, 15}, /* Entry 0 is the default */
 190         {10,  0,  1,  1},
 191         {10,  1,  1,  1},
 192         {20,  0,  2,  2},
 193         {20,  1,  6,  3},
 194         {55,  0,  4,  4},
 195         {55,  1,  7,  7},
 196         {110, 0,  5,  8},
 197 };
 198 #define BITRATE_TABLE_SIZE ARRAY_SIZE(bitrate_table)
 199
 200 /********************************************************************/
 201 /* Data types                                                       */
 202 /********************************************************************/
 203
 204 /* Used in Event handling.
 205  * We avoid nested structures as they break on ARM -- Moustafa */
 206 struct hermes_tx_descriptor_802_11 {
 207         /* hermes_tx_descriptor */
 208         __le16 status;
 209         __le16 reserved1;
 210         __le16 reserved2;
 211         __le32 sw_support;
 212         u8 retry_count;
 213         u8 tx_rate;
 214         __le16 tx_control;
 215
 216         /* ieee80211_hdr */
 217         __le16 frame_ctl;
 218         __le16 duration_id;
 219         u8 addr1[ETH_ALEN];
 220         u8 addr2[ETH_ALEN];
 221         u8 addr3[ETH_ALEN];
 222         __le16 seq_ctl;
 223         u8 addr4[ETH_ALEN];
 224
 225         __le16 data_len;
 226
 227         /* ethhdr */
 228         u8 h_dest[ETH_ALEN];    /* destination eth addr */
 229         u8 h_source[ETH_ALEN];  /* source ether addr    */
 230         __be16 h_proto;         /* packet type ID field */
 231
 232         /* p8022_hdr */
 233         u8 dsap;
 234         u8 ssap;
 235         u8 ctrl;
 236         u8 oui[3];
 237
 238         __be16 ethertype;
 239 } __attribute__ ((packed));
 240
 241 /* Rx frame header except compatibility 802.3 header */
 242 struct hermes_rx_descriptor {
 243         /* Control */
 244         __le16 status;
 245         __le32 time;
 246         u8 silence;
 247         u8 signal;
 248         u8 rate;
 249         u8 rxflow;
 250         __le32 reserved;
 251
 252         /* 802.11 header */
 253         __le16 frame_ctl;
 254         __le16 duration_id;
 255         u8 addr1[ETH_ALEN];
 256         u8 addr2[ETH_ALEN];
 257         u8 addr3[ETH_ALEN];
 258         __le16 seq_ctl;
 259         u8 addr4[ETH_ALEN];
 260
 261         /* Data length */
 262         __le16 data_len;
 263 } __attribute__ ((packed));
 264
 265 /********************************************************************/
 266 /* Function prototypes                                              */
 267 /********************************************************************/
 268
 269 static int __orinoco_program_rids(struct net_device *dev);
 270 static void __orinoco_set_multicast_list(struct net_device *dev);
 271
 272 /********************************************************************/
 273 /* Internal helper functions                                        */
 274 /********************************************************************/
 275
 276 static inline void set_port_type(struct orinoco_private *priv)
 277 {
 278         switch (priv->iw_mode) {
 279         case IW_MODE_INFRA:
 280                 priv->port_type = 1;
 281                 priv->createibss = 0;
 282                 break;
 283         case IW_MODE_ADHOC:
 284                 if (priv->prefer_port3) {
 285                         priv->port_type = 3;
 286                         priv->createibss = 0;
 287                 } else {
 288                         priv->port_type = priv->ibss_port;
 289                         priv->createibss = 1;
 290                 }
 291                 break;
 292         case IW_MODE_MONITOR:
 293                 priv->port_type = 3;
 294                 priv->createibss = 0;
 295                 break;
 296         default:
 297                 printk(KERN_ERR "%s: Invalid priv->iw_mode in set_port_type()\n",
 298                        priv->ndev->name);
 299         }
 300 }
 301
 302 /********************************************************************/
 303 /* Device methods                                                   */
 304 /********************************************************************/
 305
 306 static int orinoco_open(struct net_device *dev)
 307 {
 308         struct orinoco_private *priv = netdev_priv(dev);
 309         unsigned long flags;
 310         int err;
 311
 312         if (orinoco_lock(priv, &flags) != 0)
 313                 return -EBUSY;
 314
 315         err = __orinoco_up(dev);
 316
 317         if (! err)
 318                 priv->open = 1;
 319
 320         orinoco_unlock(priv, &flags);
 321
 322         return err;
 323 }
 324
 325 static int orinoco_stop(struct net_device *dev)
 326 {
 327         struct orinoco_private *priv = netdev_priv(dev);
 328         int err = 0;
 329
 330         /* We mustn't use orinoco_lock() here, because we need to be
 331            able to close the interface even if hw_unavailable is set
 332            (e.g. as we're released after a PC Card removal) */
 333         spin_lock_irq(&priv->lock);
 334
 335         priv->open = 0;
 336
 337         err = __orinoco_down(dev);
 338
 339         spin_unlock_irq(&priv->lock);
 340
 341         return err;
 342 }
 343
 344 static struct net_device_stats *orinoco_get_stats(struct net_device *dev)
 345 {
 346         struct orinoco_private *priv = netdev_priv(dev);
 347
 348         return &priv->stats;
 349 }
 350
 351 static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
 352 {
 353         struct orinoco_private *priv = netdev_priv(dev);
 354         hermes_t *hw = &priv->hw;
 355         struct iw_statistics *wstats = &priv->wstats;
 356         int err;
 357         unsigned long flags;
 358
 359         if (! netif_device_present(dev)) {
 360                 printk(KERN_WARNING "%s: get_wireless_stats() called while device not present\n",
 361                        dev->name);
 362                 return NULL; /* FIXME: Can we do better than this? */
 363         }
 364
 365         /* If busy, return the old stats.  Returning NULL may cause
 366          * the interface to disappear from /proc/net/wireless */
 367         if (orinoco_lock(priv, &flags) != 0)
 368                 return wstats;
 369
 370         /* We can't really wait for the tallies inquiry command to
 371          * complete, so we just use the previous results and trigger
 372          * a new tallies inquiry command for next time - Jean II */
 373         /* FIXME: Really we should wait for the inquiry to come back -
 374          * as it is the stats we give don't make a whole lot of sense.
 375          * Unfortunately, it's not clear how to do that within the
 376          * wireless extensions framework: I think we're in user
 377          * context, but a lock seems to be held by the time we get in
 378          * here so we're not safe to sleep here. */
 379         hermes_inquire(hw, HERMES_INQ_TALLIES);
 380
 381         if (priv->iw_mode == IW_MODE_ADHOC) {
 382                 memset(&wstats->qual, 0, sizeof(wstats->qual));
 383                 /* If a spy address is defined, we report stats of the
 384                  * first spy address - Jean II */
 385                 if (SPY_NUMBER(priv)) {
 386                         wstats->qual.qual = priv->spy_data.spy_stat[0].qual;
 387                         wstats->qual.level = priv->spy_data.spy_stat[0].level;
 388                         wstats->qual.noise = priv->spy_data.spy_stat[0].noise;
 389                         wstats->qual.updated = priv->spy_data.spy_stat[0].updated;
 390                 }
 391         } else {
 392                 struct {
 393                         __le16 qual, signal, noise, unused;
 394                 } __attribute__ ((packed)) cq;
 395
 396                 err = HERMES_READ_RECORD(hw, USER_BAP,
 397                                          HERMES_RID_COMMSQUALITY, &cq);
 398
 399                 if (!err) {
 400                         wstats->qual.qual = (int)le16_to_cpu(cq.qual);
 401                         wstats->qual.level = (int)le16_to_cpu(cq.signal) - 0x95;
 402                         wstats->qual.noise = (int)le16_to_cpu(cq.noise) - 0x95;
 403                         wstats->qual.updated = 7;
 404                 }
 405         }
 406
 407         orinoco_unlock(priv, &flags);
 408         return wstats;
 409 }
 410
 411 static void orinoco_set_multicast_list(struct net_device *dev)
 412 {
 413         struct orinoco_private *priv = netdev_priv(dev);
 414         unsigned long flags;
 415
 416         if (orinoco_lock(priv, &flags) != 0) {
 417                 printk(KERN_DEBUG "%s: orinoco_set_multicast_list() "
 418                        "called when hw_unavailable\n", dev->name);
 419                 return;
 420         }
 421
 422         __orinoco_set_multicast_list(dev);
 423         orinoco_unlock(priv, &flags);
 424 }
 425
 426 static int orinoco_change_mtu(struct net_device *dev, int new_mtu)
 427 {
 428         struct orinoco_private *priv = netdev_priv(dev);
 429
 430         if ( (new_mtu < ORINOCO_MIN_MTU) || (new_mtu > ORINOCO_MAX_MTU) )
 431                 return -EINVAL;
 432
 433         if ( (new_mtu + ENCAPS_OVERHEAD + IEEE80211_HLEN) >
 434              (priv->nicbuf_size - ETH_HLEN) )
 435                 return -EINVAL;
 436
 437         dev->mtu = new_mtu;
 438
 439         return 0;
 440 }
 441
 442 /********************************************************************/
 443 /* Tx path                                                          */
 444 /********************************************************************/
 445
 446 static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev)
 447 {
 448         struct orinoco_private *priv = netdev_priv(dev);
 449         struct net_device_stats *stats = &priv->stats;
 450         hermes_t *hw = &priv->hw;
 451         int err = 0;
 452         u16 txfid = priv->txfid;
 453         char *p;
 454         struct ethhdr *eh;
 455         int len, data_len, data_off;
 456         struct hermes_tx_descriptor desc;
 457         unsigned long flags;
 458
 459         if (! netif_running(dev)) {
 460                 printk(KERN_ERR "%s: Tx on stopped device!\n",
 461                        dev->name);
 462                 return 1;
 463         }
 464
 465         if (netif_queue_stopped(dev)) {
 466                 printk(KERN_DEBUG "%s: Tx while transmitter busy!\n",
 467                        dev->name);
 468                 return 1;
 469         }
 470
 471         if (orinoco_lock(priv, &flags) != 0) {
 472                 printk(KERN_ERR "%s: orinoco_xmit() called while hw_unavailable\n",
 473                        dev->name);
 474                 return 1;
 475         }
 476
 477         if (! netif_carrier_ok(dev) || (priv->iw_mode == IW_MODE_MONITOR)) {
 478                 /* Oops, the firmware hasn't established a connection,
 479                    silently drop the packet (this seems to be the
 480                    safest approach). */
 481                 stats->tx_errors++;
 482                 orinoco_unlock(priv, &flags);
 483                 dev_kfree_skb(skb);
 484                 return 0;
 485         }
 486
 487         /* Length of the packet body */
 488         /* FIXME: what if the skb is smaller than this? */
 489         len = max_t(int, ALIGN(skb->len, 2), ETH_ZLEN);
 490         skb = skb_padto(skb, len);
 491         if (skb == NULL)
 492                 goto fail;
 493         len -= ETH_HLEN;
 494
 495         eh = (struct ethhdr *)skb->data;
 496
 497         memset(&desc, 0, sizeof(desc));
 498         desc.tx_control = cpu_to_le16(HERMES_TXCTRL_TX_OK | HERMES_TXCTRL_TX_EX);
 499         err = hermes_bap_pwrite(hw, USER_BAP, &desc, sizeof(desc), txfid, 0);
 500         if (err) {
 501                 if (net_ratelimit())
 502                         printk(KERN_ERR "%s: Error %d writing Tx descriptor "
 503                                "to BAP\n", dev->name, err);
 504                 stats->tx_errors++;
 505                 goto fail;
 506         }
 507
 508         /* Clear the 802.11 header and data length fields - some
 509          * firmwares (e.g. Lucent/Agere 8.xx) appear to get confused
 510          * if this isn't done. */
 511         hermes_clear_words(hw, HERMES_DATA0,
 512                            HERMES_802_3_OFFSET - HERMES_802_11_OFFSET);
 513
 514         /* Encapsulate Ethernet-II frames */
 515         if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */
 516                 struct header_struct hdr;
 517                 data_len = len;
 518                 data_off = HERMES_802_3_OFFSET + sizeof(hdr);
 519                 p = skb->data + ETH_HLEN;
 520
 521                 /* 802.3 header */
 522                 memcpy(hdr.dest, eh->h_dest, ETH_ALEN);
 523                 memcpy(hdr.src, eh->h_source, ETH_ALEN);
 524                 hdr.len = htons(data_len + ENCAPS_OVERHEAD);
 525
 526                 /* 802.2 header */
 527                 memcpy(&hdr.dsap, &encaps_hdr, sizeof(encaps_hdr));
 528
 529                 hdr.ethertype = eh->h_proto;
 530                 err  = hermes_bap_pwrite(hw, USER_BAP, &hdr, sizeof(hdr),
 531                                          txfid, HERMES_802_3_OFFSET);
 532                 if (err) {
 533                         if (net_ratelimit())
 534                                 printk(KERN_ERR "%s: Error %d writing packet "
 535                                        "header to BAP\n", dev->name, err);
 536                         stats->tx_errors++;
 537                         goto fail;
 538                 }
 539                 /* Actual xfer length - allow for padding */
 540                 len = ALIGN(data_len, 2);
 541                 if (len < ETH_ZLEN - ETH_HLEN)
 542                         len = ETH_ZLEN - ETH_HLEN;
 543         } else { /* IEEE 802.3 frame */
 544                 data_len = len + ETH_HLEN;
 545                 data_off = HERMES_802_3_OFFSET;
 546                 p = skb->data;
 547                 /* Actual xfer length - round up for odd length packets */
 548                 len = ALIGN(data_len, 2);
 549                 if (len < ETH_ZLEN)
 550                         len = ETH_ZLEN;
 551         }
 552
 553         err = hermes_bap_pwrite_pad(hw, USER_BAP, p, data_len, len,
 554                                 txfid, data_off);
 555         if (err) {
 556                 printk(KERN_ERR "%s: Error %d writing packet to BAP\n",
 557                        dev->name, err);
 558                 stats->tx_errors++;
 559                 goto fail;
 560         }
 561
 562         /* Finally, we actually initiate the send */
 563         netif_stop_queue(dev);
 564
 565         err = hermes_docmd_wait(hw, HERMES_CMD_TX | HERMES_CMD_RECL,
 566                                 txfid, NULL);
 567         if (err) {
 568                 netif_start_queue(dev);
 569                 if (net_ratelimit())
 570                         printk(KERN_ERR "%s: Error %d transmitting packet\n",
 571                                 dev->name, err);
 572                 stats->tx_errors++;
 573                 goto fail;
 574         }
 575
 576         dev->trans_start = jiffies;
 577         stats->tx_bytes += data_off + data_len;
 578
 579         orinoco_unlock(priv, &flags);
 580
 581         dev_kfree_skb(skb);
 582
 583         return 0;
 584  fail:
 585
 586         orinoco_unlock(priv, &flags);
 587         return err;
 588 }
 589
 590 static void __orinoco_ev_alloc(struct net_device *dev, hermes_t *hw)
 591 {
 592         struct orinoco_private *priv = netdev_priv(dev);
 593         u16 fid = hermes_read_regn(hw, ALLOCFID);
 594
 595         if (fid != priv->txfid) {
 596                 if (fid != DUMMY_FID)
 597                         printk(KERN_WARNING "%s: Allocate event on unexpected fid (%04X)\n",
 598                                dev->name, fid);
 599                 return;
 600         }
 601
 602         hermes_write_regn(hw, ALLOCFID, DUMMY_FID);
 603 }
 604
 605 static void __orinoco_ev_tx(struct net_device *dev, hermes_t *hw)
 606 {
 607         struct orinoco_private *priv = netdev_priv(dev);
 608         struct net_device_stats *stats = &priv->stats;
 609
 610         stats->tx_packets++;
 611
 612         netif_wake_queue(dev);
 613
 614         hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID);
 615 }
 616
 617 static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw)
 618 {
 619         struct orinoco_private *priv = netdev_priv(dev);
 620         struct net_device_stats *stats = &priv->stats;
 621         u16 fid = hermes_read_regn(hw, TXCOMPLFID);
 622         u16 status;
 623         struct hermes_tx_descriptor_802_11 hdr;
 624         int err = 0;
 625
 626         if (fid == DUMMY_FID)
 627                 return; /* Nothing's really happened */
 628
 629         /* Read part of the frame header - we need status and addr1 */
 630         err = hermes_bap_pread(hw, IRQ_BAP, &hdr,
 631                                offsetof(struct hermes_tx_descriptor_802_11,
 632                                         addr2),
 633                                fid, 0);
 634
 635         hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID);
 636         stats->tx_errors++;
 637
 638         if (err) {
 639                 printk(KERN_WARNING "%s: Unable to read descriptor on Tx error "
 640                        "(FID=%04X error %d)\n",
 641                        dev->name, fid, err);
 642                 return;
 643         }
 644
 645         DEBUG(1, "%s: Tx error, err %d (FID=%04X)\n", dev->name,
 646               err, fid);
 647
 648         /* We produce a TXDROP event only for retry or lifetime
 649          * exceeded, because that's the only status that really mean
 650          * that this particular node went away.
 651          * Other errors means that *we* screwed up. - Jean II */
 652         status = le16_to_cpu(hdr.status);
 653         if (status & (HERMES_TXSTAT_RETRYERR | HERMES_TXSTAT_AGEDERR)) {
 654                 union iwreq_data        wrqu;
 655
 656                 /* Copy 802.11 dest address.
 657                  * We use the 802.11 header because the frame may
 658                  * not be 802.3 or may be mangled...
 659                  * In Ad-Hoc mode, it will be the node address.
 660                  * In managed mode, it will be most likely the AP addr
 661                  * User space will figure out how to convert it to
 662                  * whatever it needs (IP address or else).
 663                  * - Jean II */
 664                 memcpy(wrqu.addr.sa_data, hdr.addr1, ETH_ALEN);
 665                 wrqu.addr.sa_family = ARPHRD_ETHER;
 666
 667                 /* Send event to user space */
 668                 wireless_send_event(dev, IWEVTXDROP, &wrqu, NULL);
 669         }
 670
 671         netif_wake_queue(dev);
 672 }
 673
 674 static void orinoco_tx_timeout(struct net_device *dev)
 675 {
 676         struct orinoco_private *priv = netdev_priv(dev);
 677         struct net_device_stats *stats = &priv->stats;
 678         struct hermes *hw = &priv->hw;
 679
 680         printk(KERN_WARNING "%s: Tx timeout! "
 681                "ALLOCFID=%04x, TXCOMPLFID=%04x, EVSTAT=%04x\n",
 682                dev->name, hermes_read_regn(hw, ALLOCFID),
 683                hermes_read_regn(hw, TXCOMPLFID), hermes_read_regn(hw, EVSTAT));
 684
 685         stats->tx_errors++;
 686
 687         schedule_work(&priv->reset_work);
 688 }
 689
 690 /********************************************************************/
 691 /* Rx path (data frames)                                            */
 692 /********************************************************************/
 693
 694 /* Does the frame have a SNAP header indicating it should be
 695  * de-encapsulated to Ethernet-II? */
 696 static inline int is_ethersnap(void *_hdr)
 697 {
 698         u8 *hdr = _hdr;
 699
 700         /* We de-encapsulate all packets which, a) have SNAP headers
 701          * (i.e. SSAP=DSAP=0xaa and CTRL=0x3 in the 802.2 LLC header
 702          * and where b) the OUI of the SNAP header is 00:00:00 or
 703          * 00:00:f8 - we need both because different APs appear to use
 704          * different OUIs for some reason */
 705         return (memcmp(hdr, &encaps_hdr, 5) == 0)
 706                 && ( (hdr[5] == 0x00) || (hdr[5] == 0xf8) );
 707 }
 708
 709 static inline void orinoco_spy_gather(struct net_device *dev, u_char *mac,
 710                                       int level, int noise)
 711 {
 712         struct iw_quality wstats;
 713         wstats.level = level - 0x95;
 714         wstats.noise = noise - 0x95;
 715         wstats.qual = (level > noise) ? (level - noise) : 0;
 716         wstats.updated = 7;
 717         /* Update spy records */
 718         wireless_spy_update(dev, mac, &wstats);
 719 }
 720
 721 static void orinoco_stat_gather(struct net_device *dev,
 722                                 struct sk_buff *skb,
 723                                 struct hermes_rx_descriptor *desc)
 724 {
 725         struct orinoco_private *priv = netdev_priv(dev);
 726
 727         /* Using spy support with lots of Rx packets, like in an
 728          * infrastructure (AP), will really slow down everything, because
 729          * the MAC address must be compared to each entry of the spy list.
 730          * If the user really asks for it (set some address in the
 731          * spy list), we do it, but he will pay the price.
 732          * Note that to get here, you need both WIRELESS_SPY
 733          * compiled in AND some addresses in the list !!!
 734          */
 735         /* Note : gcc will optimise the whole section away if
 736          * WIRELESS_SPY is not defined... - Jean II */
 737         if (SPY_NUMBER(priv)) {
 738                 orinoco_spy_gather(dev, skb->mac.raw + ETH_ALEN,
 739                                    desc->signal, desc->silence);
 740         }
 741 }
 742
 743 /*
 744  * orinoco_rx_monitor - handle received monitor frames.
 745  *
 746  * Arguments:
 747  *      dev             network device
 748  *      rxfid           received FID
 749  *      desc            rx descriptor of the frame
 750  *
 751  * Call context: interrupt
 752  */
 753 static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid,
 754                                struct hermes_rx_descriptor *desc)
 755 {
 756         u32 hdrlen = 30;        /* return full header by default */
 757         u32 datalen = 0;
 758         u16 fc;
 759         int err;
 760         int len;
 761         struct sk_buff *skb;
 762         struct orinoco_private *priv = netdev_priv(dev);
 763         struct net_device_stats *stats = &priv->stats;
 764         hermes_t *hw = &priv->hw;
 765
 766         len = le16_to_cpu(desc->data_len);
 767
 768         /* Determine the size of the header and the data */
 769         fc = le16_to_cpu(desc->frame_ctl);
 770         switch (fc & IEEE80211_FCTL_FTYPE) {
 771         case IEEE80211_FTYPE_DATA:
 772                 if ((fc & IEEE80211_FCTL_TODS)
 773                     && (fc & IEEE80211_FCTL_FROMDS))
 774                         hdrlen = 30;
 775                 else
 776                         hdrlen = 24;
 777                 datalen = len;
 778                 break;
 779         case IEEE80211_FTYPE_MGMT:
 780                 hdrlen = 24;
 781                 datalen = len;
 782                 break;
 783         case IEEE80211_FTYPE_CTL:
 784                 switch (fc & IEEE80211_FCTL_STYPE) {
 785                 case IEEE80211_STYPE_PSPOLL:
 786                 case IEEE80211_STYPE_RTS:
 787                 case IEEE80211_STYPE_CFEND:
 788                 case IEEE80211_STYPE_CFENDACK:
 789                         hdrlen = 16;
 790                         break;
 791                 case IEEE80211_STYPE_CTS:
 792                 case IEEE80211_STYPE_ACK:
 793                         hdrlen = 10;
 794                         break;
 795                 }
 796                 break;
 797         default:
 798                 /* Unknown frame type */
 799                 break;
 800         }
 801
 802         /* sanity check the length */
 803         if (datalen > IEEE80211_DATA_LEN + 12) {
 804                 printk(KERN_DEBUG "%s: oversized monitor frame, "
 805                        "data length = %d\n", dev->name, datalen);
 806                 err = -EIO;
 807                 stats->rx_length_errors++;
 808                 goto update_stats;
 809         }
 810
 811         skb = dev_alloc_skb(hdrlen + datalen);
 812         if (!skb) {
 813                 printk(KERN_WARNING "%s: Cannot allocate skb for monitor frame\n",
 814                        dev->name);
 815                 err = -ENOMEM;
 816                 goto drop;
 817         }
 818
 819         /* Copy the 802.11 header to the skb */
 820         memcpy(skb_put(skb, hdrlen), &(desc->frame_ctl), hdrlen);
 821         skb->mac.raw = skb->data;
 822
 823         /* If any, copy the data from the card to the skb */
 824         if (datalen > 0) {
 825                 err = hermes_bap_pread(hw, IRQ_BAP, skb_put(skb, datalen),
 826                                        ALIGN(datalen, 2), rxfid,
 827                                        HERMES_802_2_OFFSET);
 828                 if (err) {
 829                         printk(KERN_ERR "%s: error %d reading monitor frame\n",
 830                                dev->name, err);
 831                         goto drop;
 832                 }
 833         }
 834
 835         skb->dev = dev;
 836         skb->ip_summed = CHECKSUM_NONE;
 837         skb->pkt_type = PACKET_OTHERHOST;
 838         skb->protocol = __constant_htons(ETH_P_802_2);
 839
 840         dev->last_rx = jiffies;
 841         stats->rx_packets++;
 842         stats->rx_bytes += skb->len;
 843
 844         netif_rx(skb);
 845         return;
 846
 847  drop:
 848         dev_kfree_skb_irq(skb);
 849  update_stats:
 850         stats->rx_errors++;
 851         stats->rx_dropped++;
 852 }
 853
 854 static void __orinoco_ev_rx(struct net_device *dev, hermes_t *hw)
 855 {
 856         struct orinoco_private *priv = netdev_priv(dev);
 857         struct net_device_stats *stats = &priv->stats;
 858         struct iw_statistics *wstats = &priv->wstats;
 859         struct sk_buff *skb = NULL;
 860         u16 rxfid, status, fc;
 861         int length;
 862         struct hermes_rx_descriptor desc;
 863         struct ethhdr *hdr;
 864         int err;
 865
 866         rxfid = hermes_read_regn(hw, RXFID);
 867
 868         err = hermes_bap_pread(hw, IRQ_BAP, &desc, sizeof(desc),
 869                                rxfid, 0);
 870         if (err) {
 871                 printk(KERN_ERR "%s: error %d reading Rx descriptor. "
 872                        "Frame dropped.\n", dev->name, err);
 873                 goto update_stats;
 874         }
 875
 876         status = le16_to_cpu(desc.status);
 877
 878         if (status & HERMES_RXSTAT_BADCRC) {
 879                 DEBUG(1, "%s: Bad CRC on Rx. Frame dropped.\n",
 880                       dev->name);
 881                 stats->rx_crc_errors++;
 882                 goto update_stats;
 883         }
 884
 885         /* Handle frames in monitor mode */
 886         if (priv->iw_mode == IW_MODE_MONITOR) {
 887                 orinoco_rx_monitor(dev, rxfid, &desc);
 888                 return;
 889         }
 890
 891         if (status & HERMES_RXSTAT_UNDECRYPTABLE) {
 892                 DEBUG(1, "%s: Undecryptable frame on Rx. Frame dropped.\n",
 893                       dev->name);
 894                 wstats->discard.code++;
 895                 goto update_stats;
 896         }
 897
 898         length = le16_to_cpu(desc.data_len);
 899         fc = le16_to_cpu(desc.frame_ctl);
 900
 901         /* Sanity checks */
 902         if (length < 3) { /* No for even an 802.2 LLC header */
 903                 /* At least on Symbol firmware with PCF we get quite a
 904                    lot of these legitimately - Poll frames with no
 905                    data. */
 906                 return;
 907         }
 908         if (length > IEEE80211_DATA_LEN) {
 909                 printk(KERN_WARNING "%s: Oversized frame received (%d bytes)\n",
 910                        dev->name, length);
 911                 stats->rx_length_errors++;
 912                 goto update_stats;
 913         }
 914
 915         /* We need space for the packet data itself, plus an ethernet
 916            header, plus 2 bytes so we can align the IP header on a
 917            32bit boundary, plus 1 byte so we can read in odd length
 918            packets from the card, which has an IO granularity of 16
 919            bits */
 920         skb = dev_alloc_skb(length+ETH_HLEN+2+1);
 921         if (!skb) {
 922                 printk(KERN_WARNING "%s: Can't allocate skb for Rx\n",
 923                        dev->name);
 924                 goto update_stats;
 925         }
 926
 927         /* We'll prepend the header, so reserve space for it.  The worst
 928            case is no decapsulation, when 802.3 header is prepended and
 929            nothing is removed.  2 is for aligning the IP header.  */
 930         skb_reserve(skb, ETH_HLEN + 2);
 931
 932         err = hermes_bap_pread(hw, IRQ_BAP, skb_put(skb, length),
 933                                ALIGN(length, 2), rxfid,
 934                                HERMES_802_2_OFFSET);
 935         if (err) {
 936                 printk(KERN_ERR "%s: error %d reading frame. "
 937                        "Frame dropped.\n", dev->name, err);
 938                 goto drop;
 939         }
 940
 941         /* Handle decapsulation
 942          * In most cases, the firmware tell us about SNAP frames.
 943          * For some reason, the SNAP frames sent by LinkSys APs
 944          * are not properly recognised by most firmwares.
 945          * So, check ourselves */
 946         if (length >= ENCAPS_OVERHEAD &&
 947             (((status & HERMES_RXSTAT_MSGTYPE) == HERMES_RXSTAT_1042) ||
 948              ((status & HERMES_RXSTAT_MSGTYPE) == HERMES_RXSTAT_TUNNEL) ||
 949              is_ethersnap(skb->data))) {
 950                 /* These indicate a SNAP within 802.2 LLC within
 951                    802.11 frame which we'll need to de-encapsulate to
 952                    the original EthernetII frame. */
 953                 hdr = (struct ethhdr *)skb_push(skb, ETH_HLEN - ENCAPS_OVERHEAD);
 954         } else {
 955                 /* 802.3 frame - prepend 802.3 header as is */
 956                 hdr = (struct ethhdr *)skb_push(skb, ETH_HLEN);
 957                 hdr->h_proto = htons(length);
 958         }
 959         memcpy(hdr->h_dest, desc.addr1, ETH_ALEN);
 960         if (fc & IEEE80211_FCTL_FROMDS)
 961                 memcpy(hdr->h_source, desc.addr3, ETH_ALEN);
 962         else
 963                 memcpy(hdr->h_source, desc.addr2, ETH_ALEN);
 964
 965         dev->last_rx = jiffies;
 966         skb->dev = dev;
 967         skb->protocol = eth_type_trans(skb, dev);
 968         skb->ip_summed = CHECKSUM_NONE;
 969         if (fc & IEEE80211_FCTL_TODS)
 970                 skb->pkt_type = PACKET_OTHERHOST;
 971
 972         /* Process the wireless stats if needed */
 973         orinoco_stat_gather(dev, skb, &desc);
 974
 975         /* Pass the packet to the networking stack */
 976         netif_rx(skb);
 977         stats->rx_packets++;
 978         stats->rx_bytes += length;
 979
 980         return;
 981
 982  drop:
 983         dev_kfree_skb_irq(skb);
 984  update_stats:
 985         stats->rx_errors++;
 986         stats->rx_dropped++;
 987 }
 988
 989 /********************************************************************/
 990 /* Rx path (info frames)                                            */
 991 /********************************************************************/
 992
 993 static void print_linkstatus(struct net_device *dev, u16 status)
 994 {
 995         char * s;
 996
 997         if (suppress_linkstatus)
 998                 return;
 999
1000         switch (status) {
1001         case HERMES_LINKSTATUS_NOT_CONNECTED:
1002                 s = "Not Connected";
1003                 break;
1004         case HERMES_LINKSTATUS_CONNECTED:
1005                 s = "Connected";
1006                 break;
1007         case HERMES_LINKSTATUS_DISCONNECTED:
1008                 s = "Disconnected";
1009                 break;
1010         case HERMES_LINKSTATUS_AP_CHANGE:
1011                 s = "AP Changed";
1012                 break;
1013         case HERMES_LINKSTATUS_AP_OUT_OF_RANGE:
1014                 s = "AP Out of Range";
1015                 break;
1016         case HERMES_LINKSTATUS_AP_IN_RANGE:
1017                 s = "AP In Range";
1018                 break;
1019         case HERMES_LINKSTATUS_ASSOC_FAILED:
1020                 s = "Association Failed";
1021                 break;
1022         default:
1023                 s = "UNKNOWN";
1024         }
1025
1026         printk(KERN_INFO "%s: New link status: %s (%04x)\n",
1027                dev->name, s, status);
1028 }
1029
1030 /* Search scan results for requested BSSID, join it if found */
1031 static void orinoco_join_ap(struct net_device *dev)
1032 {
1033         struct orinoco_private *priv = netdev_priv(dev);
1034         struct hermes *hw = &priv->hw;
1035         int err;
1036         unsigned long flags;
1037         struct join_req {
1038                 u8 bssid[ETH_ALEN];
1039                 __le16 channel;
1040         } __attribute__ ((packed)) req;
1041         const int atom_len = offsetof(struct prism2_scan_apinfo, atim);
1042         struct prism2_scan_apinfo *atom = NULL;
1043         int offset = 4;
1044         int found = 0;
1045         u8 *buf;
1046         u16 len;
1047
1048         /* Allocate buffer for scan results */
1049         buf = kmalloc(MAX_SCAN_LEN, GFP_KERNEL);
1050         if (! buf)
1051                 return;
1052
1053         if (orinoco_lock(priv, &flags) != 0)
1054                 goto fail_lock;
1055
1056         /* Sanity checks in case user changed something in the meantime */
1057         if (! priv->bssid_fixed)
1058                 goto out;
1059
1060         if (strlen(priv->desired_essid) == 0)
1061                 goto out;
1062
1063         /* Read scan results from the firmware */
1064         err = hermes_read_ltv(hw, USER_BAP,
1065                               HERMES_RID_SCANRESULTSTABLE,
1066                               MAX_SCAN_LEN, &len, buf);
1067         if (err) {
1068                 printk(KERN_ERR "%s: Cannot read scan results\n",
1069                        dev->name);
1070                 goto out;
1071         }
1072
1073         len = HERMES_RECLEN_TO_BYTES(len);
1074
1075         /* Go through the scan results looking for the channel of the AP
1076          * we were requested to join */
1077         for (; offset + atom_len <= len; offset += atom_len) {
1078                 atom = (struct prism2_scan_apinfo *) (buf + offset);
1079                 if (memcmp(&atom->bssid, priv->desired_bssid, ETH_ALEN) == 0) {
1080                         found = 1;
1081                         break;
1082                 }
1083         }
1084
1085         if (! found) {
1086                 DEBUG(1, "%s: Requested AP not found in scan results\n",
1087                       dev->name);
1088                 goto out;
1089         }
1090
1091         memcpy(req.bssid, priv->desired_bssid, ETH_ALEN);
1092         req.channel = atom->channel;    /* both are little-endian */
1093         err = HERMES_WRITE_RECORD(hw, USER_BAP, HERMES_RID_CNFJOINREQUEST,
1094                                   &req);
1095         if (err)
1096                 printk(KERN_ERR "%s: Error issuing join request\n", dev->name);
1097
1098  out:
1099         orinoco_unlock(priv, &flags);
1100
1101  fail_lock:
1102         kfree(buf);
1103 }
1104
1105 /* Send new BSSID to userspace */
1106 static void orinoco_send_wevents(struct net_device *dev)
1107 {
1108         struct orinoco_private *priv = netdev_priv(dev);
1109         struct hermes *hw = &priv->hw;
1110         union iwreq_data wrqu;
1111         int err;
1112         unsigned long flags;
1113
1114         if (orinoco_lock(priv, &flags) != 0)
1115                 return;
1116
1117         err = hermes_read_ltv(hw, IRQ_BAP, HERMES_RID_CURRENTBSSID,
1118                               ETH_ALEN, NULL, wrqu.ap_addr.sa_data);
1119         if (err != 0)
1120                 goto out;
1121
1122         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1123
1124         /* Send event to user space */
1125         wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
1126
1127  out:
1128         orinoco_unlock(priv, &flags);
1129 }
1130
1131 static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw)
1132 {
1133         struct orinoco_private *priv = netdev_priv(dev);
1134         u16 infofid;
1135         struct {
1136                 __le16 len;
1137                 __le16 type;
1138         } __attribute__ ((packed)) info;
1139         int len, type;
1140         int err;
1141
1142         /* This is an answer to an INQUIRE command that we did earlier,
1143          * or an information "event" generated by the card
1144          * The controller return to us a pseudo frame containing
1145          * the information in question - Jean II */
1146         infofid = hermes_read_regn(hw, INFOFID);
1147
1148         /* Read the info frame header - don't try too hard */
1149         err = hermes_bap_pread(hw, IRQ_BAP, &info, sizeof(info),
1150                                infofid, 0);
1151         if (err) {
1152                 printk(KERN_ERR "%s: error %d reading info frame. "
1153                        "Frame dropped.\n", dev->name, err);
1154                 return;
1155         }
1156
1157         len = HERMES_RECLEN_TO_BYTES(le16_to_cpu(info.len));
1158         type = le16_to_cpu(info.type);
1159
1160         switch (type) {
1161         case HERMES_INQ_TALLIES: {
1162                 struct hermes_tallies_frame tallies;
1163                 struct iw_statistics *wstats = &priv->wstats;
1164
1165                 if (len > sizeof(tallies)) {
1166                         printk(KERN_WARNING "%s: Tallies frame too long (%d bytes)\n",
1167                                dev->name, len);
1168                         len = sizeof(tallies);
1169                 }
1170
1171                 err = hermes_bap_pread(hw, IRQ_BAP, &tallies, len,
1172                                        infofid, sizeof(info));
1173                 if (err)
1174                         break;
1175
1176                 /* Increment our various counters */
1177                 /* wstats->discard.nwid - no wrong BSSID stuff */
1178                 wstats->discard.code +=
1179                         le16_to_cpu(tallies.RxWEPUndecryptable);
1180                 if (len == sizeof(tallies))
1181                         wstats->discard.code +=
1182                                 le16_to_cpu(tallies.RxDiscards_WEPICVError) +
1183                                 le16_to_cpu(tallies.RxDiscards_WEPExcluded);
1184                 wstats->discard.misc +=
1185                         le16_to_cpu(tallies.TxDiscardsWrongSA);
1186                 wstats->discard.fragment +=
1187                         le16_to_cpu(tallies.RxMsgInBadMsgFragments);
1188                 wstats->discard.retries +=
1189                         le16_to_cpu(tallies.TxRetryLimitExceeded);
1190                 /* wstats->miss.beacon - no match */
1191         }
1192         break;
1193         case HERMES_INQ_LINKSTATUS: {
1194                 struct hermes_linkstatus linkstatus;
1195                 u16 newstatus;
1196                 int connected;
1197
1198                 if (priv->iw_mode == IW_MODE_MONITOR)
1199                         break;
1200
1201                 if (len != sizeof(linkstatus)) {
1202                         printk(KERN_WARNING "%s: Unexpected size for linkstatus frame (%d bytes)\n",
1203                                dev->name, len);
1204                         break;
1205                 }
1206
1207                 err = hermes_bap_pread(hw, IRQ_BAP, &linkstatus, len,
1208                                        infofid, sizeof(info));
1209                 if (err)
1210                         break;
1211                 newstatus = le16_to_cpu(linkstatus.linkstatus);
1212
1213                 /* Symbol firmware uses "out of range" to signal that
1214                  * the hostscan frame can be requested.  */
1215                 if (newstatus == HERMES_LINKSTATUS_AP_OUT_OF_RANGE &&
1216                     priv->firmware_type == FIRMWARE_TYPE_SYMBOL &&
1217                     priv->has_hostscan && priv->scan_inprogress) {
1218                         hermes_inquire(hw, HERMES_INQ_HOSTSCAN_SYMBOL);
1219                         break;
1220                 }
1221
1222                 connected = (newstatus == HERMES_LINKSTATUS_CONNECTED)
1223                         || (newstatus == HERMES_LINKSTATUS_AP_CHANGE)
1224                         || (newstatus == HERMES_LINKSTATUS_AP_IN_RANGE);
1225
1226                 if (connected)
1227                         netif_carrier_on(dev);
1228                 else if (!ignore_disconnect)
1229                         netif_carrier_off(dev);
1230
1231                 if (newstatus != priv->last_linkstatus) {
1232                         priv->last_linkstatus = newstatus;
1233                         print_linkstatus(dev, newstatus);
1234                         /* The info frame contains only one word which is the
1235                          * status (see hermes.h). The status is pretty boring
1236                          * in itself, that's why we export the new BSSID...
1237                          * Jean II */
1238                         schedule_work(&priv->wevent_work);
1239                 }
1240         }
1241         break;
1242         case HERMES_INQ_SCAN:
1243                 if (!priv->scan_inprogress && priv->bssid_fixed &&
1244                     priv->firmware_type == FIRMWARE_TYPE_INTERSIL) {
1245                         schedule_work(&priv->join_work);
1246                         break;
1247                 }
1248                 /* fall through */
1249         case HERMES_INQ_HOSTSCAN:
1250         case HERMES_INQ_HOSTSCAN_SYMBOL: {
1251                 /* Result of a scanning. Contains information about
1252                  * cells in the vicinity - Jean II */
1253                 union iwreq_data        wrqu;
1254                 unsigned char *buf;
1255
1256                 /* Sanity check */
1257                 if (len > 4096) {
1258                         printk(KERN_WARNING "%s: Scan results too large (%d bytes)\n",
1259                                dev->name, len);
1260                         break;
1261                 }
1262
1263                 /* We are a strict producer. If the previous scan results
1264                  * have not been consumed, we just have to drop this
1265                  * frame. We can't remove the previous results ourselves,
1266                  * that would be *very* racy... Jean II */
1267                 if (priv->scan_result != NULL) {
1268                         printk(KERN_WARNING "%s: Previous scan results not consumed, dropping info frame.\n", dev->name);
1269                         break;
1270                 }
1271
1272                 /* Allocate buffer for results */
1273                 buf = kmalloc(len, GFP_ATOMIC);
1274                 if (buf == NULL)
1275                         /* No memory, so can't printk()... */
1276                         break;
1277
1278                 /* Read scan data */
1279                 err = hermes_bap_pread(hw, IRQ_BAP, (void *) buf, len,
1280                                        infofid, sizeof(info));
1281                 if (err) {
1282                         kfree(buf);
1283                         break;
1284                 }
1285
1286 #ifdef ORINOCO_DEBUG
1287                 {
1288                         int     i;
1289                         printk(KERN_DEBUG "Scan result [%02X", buf[0]);
1290                         for(i = 1; i < (len * 2); i++)
1291                                 printk(":%02X", buf[i]);
1292                         printk("]\n");
1293                 }
1294 #endif  /* ORINOCO_DEBUG */
1295
1296                 /* Allow the clients to access the results */
1297                 priv->scan_len = len;
1298                 priv->scan_result = buf;
1299
1300                 /* Send an empty event to user space.
1301                  * We don't send the received data on the event because
1302                  * it would require us to do complex transcoding, and
1303                  * we want to minimise the work done in the irq handler
1304                  * Use a request to extract the data - Jean II */
1305                 wrqu.data.length = 0;
1306                 wrqu.data.flags = 0;
1307                 wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
1308         }
1309         break;
1310         case HERMES_INQ_SEC_STAT_AGERE:
1311                 /* Security status (Agere specific) */
1312                 /* Ignore this frame for now */
1313                 if (priv->firmware_type == FIRMWARE_TYPE_AGERE)
1314                         break;
1315                 /* fall through */
1316         default:
1317                 printk(KERN_DEBUG "%s: Unknown information frame received: "
1318                        "type 0x%04x, length %d\n", dev->name, type, len);
1319                 /* We don't actually do anything about it */
1320                 break;
1321         }
1322 }
1323
1324 static void __orinoco_ev_infdrop(struct net_device *dev, hermes_t *hw)
1325 {
1326         if (net_ratelimit())
1327                 printk(KERN_DEBUG "%s: Information frame lost.\n", dev->name);
1328 }
1329
1330 /********************************************************************/
1331 /* Internal hardware control routines                               */
1332 /********************************************************************/
1333
1334 int __orinoco_up(struct net_device *dev)
1335 {
1336         struct orinoco_private *priv = netdev_priv(dev);
1337         struct hermes *hw = &priv->hw;
1338         int err;
1339
1340         netif_carrier_off(dev); /* just to make sure */
1341
1342         err = __orinoco_program_rids(dev);
1343         if (err) {
1344                 printk(KERN_ERR "%s: Error %d configuring card\n",
1345                        dev->name, err);
1346                 return err;
1347         }
1348
1349         /* Fire things up again */
1350         hermes_set_irqmask(hw, ORINOCO_INTEN);
1351         err = hermes_enable_port(hw, 0);
1352         if (err) {
1353                 printk(KERN_ERR "%s: Error %d enabling MAC port\n",
1354                        dev->name, err);
1355                 return err;
1356         }
1357
1358         netif_start_queue(dev);
1359
1360         return 0;
1361 }
1362
1363 int __orinoco_down(struct net_device *dev)
1364 {
1365         struct orinoco_private *priv = netdev_priv(dev);
1366         struct hermes *hw = &priv->hw;
1367         int err;
1368
1369         netif_stop_queue(dev);
1370
1371         if (! priv->hw_unavailable) {
1372                 if (! priv->broken_disableport) {
1373                         err = hermes_disable_port(hw, 0);
1374                         if (err) {
1375                                 /* Some firmwares (e.g. Intersil 1.3.x) seem
1376                                  * to have problems disabling the port, oh
1377                                  * well, too bad. */
1378                                 printk(KERN_WARNING "%s: Error %d disabling MAC port\n",
1379                                        dev->name, err);
1380                                 priv->broken_disableport = 1;
1381                         }
1382                 }
1383                 hermes_set_irqmask(hw, 0);
1384                 hermes_write_regn(hw, EVACK, 0xffff);
1385         }
1386
1387         /* firmware will have to reassociate */
1388         netif_carrier_off(dev);
1389         priv->last_linkstatus = 0xffff;
1390
1391         return 0;
1392 }
1393
1394 int orinoco_reinit_firmware(struct net_device *dev)
1395 {
1396         struct orinoco_private *priv = netdev_priv(dev);
1397         struct hermes *hw = &priv->hw;
1398         int err;
1399
1400         err = hermes_init(hw);
1401         if (err)
1402                 return err;
1403
1404         err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
1405         if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) {
1406                 /* Try workaround for old Symbol firmware bug */
1407                 printk(KERN_WARNING "%s: firmware ALLOC bug detected "
1408                        "(old Symbol firmware?). Trying to work around... ",
1409                        dev->name);
1410
1411                 priv->nicbuf_size = TX_NICBUF_SIZE_BUG;
1412                 err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid);
1413                 if (err)
1414                         printk("failed!\n");
1415                 else
1416                         printk("ok.\n");
1417         }
1418
1419         return err;
1420 }
1421
1422 static int __orinoco_hw_set_bitrate(struct orinoco_private *priv)
1423 {
1424         hermes_t *hw = &priv->hw;
1425         int err = 0;
1426
1427         if (priv->bitratemode >= BITRATE_TABLE_SIZE) {
1428                 printk(KERN_ERR "%s: BUG: Invalid bitrate mode %d\n",
1429                        priv->ndev->name, priv->bitratemode);
1430                 return -EINVAL;
1431         }
1432
1433         switch (priv->firmware_type) {
1434         case FIRMWARE_TYPE_AGERE:
1435                 err = hermes_write_wordrec(hw, USER_BAP,
1436                                            HERMES_RID_CNFTXRATECONTROL,
1437                                            bitrate_table[priv->bitratemode].agere_txratectrl);
1438                 break;
1439         case FIRMWARE_TYPE_INTERSIL:
1440         case FIRMWARE_TYPE_SYMBOL:
1441                 err = hermes_write_wordrec(hw, USER_BAP,
1442                                            HERMES_RID_CNFTXRATECONTROL,
1443                                            bitrate_table[priv->bitratemode].intersil_txratectrl);
1444                 break;
1445         default:
1446                 BUG();
1447         }
1448
1449         return err;
1450 }
1451
1452 /* Set fixed AP address */
1453 static int __orinoco_hw_set_wap(struct orinoco_private *priv)
1454 {
1455         int roaming_flag;
1456         int err = 0;
1457         hermes_t *hw = &priv->hw;
1458
1459         switch (priv->firmware_type) {
1460         case FIRMWARE_TYPE_AGERE:
1461                 /* not supported */
1462                 break;
1463         case FIRMWARE_TYPE_INTERSIL:
1464                 if (priv->bssid_fixed)
1465                         roaming_flag = 2;
1466                 else
1467                         roaming_flag = 1;
1468
1469                 err = hermes_write_wordrec(hw, USER_BAP,
1470                                            HERMES_RID_CNFROAMINGMODE,
1471                                            roaming_flag);
1472                 break;
1473         case FIRMWARE_TYPE_SYMBOL:
1474                 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1475                                           HERMES_RID_CNFMANDATORYBSSID_SYMBOL,
1476                                           &priv->desired_bssid);
1477                 break;
1478         }
1479         return err;
1480 }
1481
1482 /* Change the WEP keys and/or the current keys.  Can be called
1483  * either from __orinoco_hw_setup_wep() or directly from
1484  * orinoco_ioctl_setiwencode().  In the later case the association
1485  * with the AP is not broken (if the firmware can handle it),
1486  * which is needed for 802.1x implementations. */
1487 static int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv)
1488 {
1489         hermes_t *hw = &priv->hw;
1490         int err = 0;
1491
1492         switch (priv->firmware_type) {
1493         case FIRMWARE_TYPE_AGERE:
1494                 err = HERMES_WRITE_RECORD(hw, USER_BAP,
1495                                           HERMES_RID_CNFWEPKEYS_AGERE,
1496                                           &priv->keys);
1497                 if (err)
1498                         return err;
1499                 err = hermes_write_wordrec(hw, USER_BAP,
1500                                            HERMES_RID_CNFTXKEY_AGERE,
1501                                            priv->tx_key);
1502                 if (err)
1503                         return err;
1504                 break;
1505         case FIRMWARE_TYPE_INTERSIL:
1506         case FIRMWARE_TYPE_SYMBOL:
1507                 {
1508                         int keylen;
1509                         int i;
1510
1511                         /* Force uniform key length to work around firmware bugs */
1512                         keylen = le16_to_cpu(priv->keys[priv->tx_key].len);
1513
1514                         if (keylen > LARGE_KEY_SIZE) {
1515                                 printk(KERN_ERR "%s: BUG: Key %d has oversize length %d.\n",
1516                                        priv->ndev->name, priv->tx_key, keylen);
1517                                 return -E2BIG;
1518                         }
1519
1520                         /* Write all 4 keys */
1521                         for(i = 0; i < ORINOCO_MAX_KEYS; i++) {
1522                                 err = hermes_write_ltv(hw, USER_BAP,
1523                                                        HERMES_RID_CNFDEFAULTKEY0 + i,
1524                                                        HERMES_BYTES_TO_RECLEN(keylen),
1525                                                        priv->keys[i].data);
1526                                 if (err)
1527                                         return err;
1528                         }
1529
1530                         /* Write the index of the key used in transmission */
1531                         err = hermes_write_wordrec(hw, USER_BAP,
1532                                                    HERMES_RID_CNFWEPDEFAULTKEYID,
1533                                                    priv->tx_key);
1534                         if (err)
1535                                 return err;
1536                 }
1537                 break;
1538         }
1539
1540         return 0;
1541 }
1542
1543 static int __orinoco_hw_setup_wep(struct orinoco_private *priv)
1544 {
1545         hermes_t *hw = &priv->hw;
1546         int err = 0;
1547         int master_wep_flag;
1548         int auth_flag;
1549
1550         if (priv->wep_on)
1551                 __orinoco_hw_setup_wepkeys(priv);
1552
1553         if (priv->wep_restrict)
1554                 auth_flag = HERMES_AUTH_SHARED_KEY;
1555         else
1556                 auth_flag = HERMES_AUTH_OPEN;
1557
1558         switch (priv->firmware_type) {
1559         case FIRMWARE_TYPE_AGERE: /* Agere style WEP */
1560                 if (priv->wep_on) {
1561                         /* Enable the shared-key authentication. */
1562                         err = hermes_write_wordrec(hw, USER_BAP,
1563                                                    HERMES_RID_CNFAUTHENTICATION_AGERE,
1564                                                    auth_flag);
1565                 }
1566                 err = hermes_write_wordrec(hw, USER_BAP,
1567                                            HERMES_RID_CNFWEPENABLED_AGERE,
1568                                            priv->wep_on);
1569                 if (err)
1570                         return err;
1571                 break;
1572
1573         case FIRMWARE_TYPE_INTERSIL: /* Intersil style WEP */
1574         case FIRMWARE_TYPE_SYMBOL: /* Symbol style WEP */
1575                 if (priv->wep_on) {
1576                         if (priv->wep_restrict ||
1577                             (priv->firmware_type == FIRMWARE_TYPE_SYMBOL))
1578                                 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED |
1579                                                   HERMES_WEP_EXCL_UNENCRYPTED;
1580                         else
1581                                 master_wep_flag = HERMES_WEP_PRIVACY_INVOKED;
1582
1583                         err = hermes_write_wordrec(hw, USER_BAP,
1584                                                    HERMES_RID_CNFAUTHENTICATION,
1585                                                    auth_flag);
1586                         if (err)
1587                                 return err;
1588                 } else
1589                         master_wep_flag = 0;
1590
1591                 if (priv->iw_mode == IW_MODE_MONITOR)
1592                         master_wep_flag |= HERMES_WEP_HOST_DECRYPT;
1593
1594                 /* Master WEP setting : on/off */
1595                 err = hermes_write_wordrec(hw, USER_BAP,
1596                                            HERMES_RID_CNFWEPFLAGS_INTERSIL,
1597                                            master_wep_flag);
1598                 if (err)
1599                         return err;
1600
1601                 break;
1602         }
1603
1604         return 0;
1605 }
1606
1607 static int __orinoco_program_rids(struct net_device *dev)
1608 {
1609         struct orinoco_private *priv = netdev_priv(dev);
1610         hermes_t *hw = &priv->hw;
1611         int err;
1612         struct hermes_idstring idbuf;
1613
1614         /* Set the MAC address */
1615         err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
1616                                HERMES_BYTES_TO_RECLEN(ETH_ALEN), dev->dev_addr);
1617         if (err) {
1618                 printk(KERN_ERR "%s: Error %d setting MAC address\n",
1619                        dev->name, err);
1620                 return err;
1621         }
1622
1623         /* Set up the link mode */
1624         err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFPORTTYPE,
1625                                    priv->port_type);
1626         if (err) {
1627                 printk(KERN_ERR "%s: Error %d setting port type\n",
1628                        dev->name, err);
1629                 return err;
1630         }
1631         /* Set the channel/frequency */
1632         if (priv->channel != 0 && priv->iw_mode != IW_MODE_INFRA) {
1633                 err = hermes_write_wordrec(hw, USER_BAP,
1634                                            HERMES_RID_CNFOWNCHANNEL,
1635                                            priv->channel);
1636                 if (err) {
1637                         printk(KERN_ERR "%s: Error %d setting channel %d\n",
1638                                dev->name, err, priv->channel);
1639                         return err;
1640                 }
1641         }
1642
1643         if (priv->has_ibss) {
1644                 u16 createibss;
1645
1646                 if ((strlen(priv->desired_essid) == 0) && (priv->createibss)) {
1647                         printk(KERN_WARNING "%s: This firmware requires an "
1648                                "ESSID in IBSS-Ad-Hoc mode.\n", dev->name);
1649                         /* With wvlan_cs, in this case, we would crash.
1650                          * hopefully, this driver will behave better...
1651                          * Jean II */
1652                         createibss = 0;
1653                 } else {
1654                         createibss = priv->createibss;
1655                 }
1656
1657                 err = hermes_write_wordrec(hw, USER_BAP,
1658                                            HERMES_RID_CNFCREATEIBSS,
1659                                            createibss);
1660                 if (err) {
1661                         printk(KERN_ERR "%s: Error %d setting CREATEIBSS\n",
1662                                dev->name, err);
1663                         return err;
1664                 }
1665         }
1666
1667         /* Set the desired BSSID */
1668         err = __orinoco_hw_set_wap(priv);
1669         if (err) {
1670                 printk(KERN_ERR "%s: Error %d setting AP address\n",
1671                        dev->name, err);
1672                 return err;
1673         }
1674         /* Set the desired ESSID */
1675         idbuf.len = cpu_to_le16(strlen(priv->desired_essid));
1676         memcpy(&idbuf.val, priv->desired_essid, sizeof(idbuf.val));
1677         /* WinXP wants partner to configure OWNSSID even in IBSS mode. (jimc) */
1678         err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNSSID,
1679                                HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid)+2),
1680                                &idbuf);
1681         if (err) {
1682                 printk(KERN_ERR "%s: Error %d setting OWNSSID\n",
1683                        dev->name, err);
1684                 return err;
1685         }
1686         err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFDESIREDSSID,
1687                                HERMES_BYTES_TO_RECLEN(strlen(priv->desired_essid)+2),
1688                                &idbuf);
1689         if (err) {
1690                 printk(KERN_ERR "%s: Error %d setting DESIREDSSID\n",
1691                        dev->name, err);
1692                 return err;
1693         }
1694
1695         /* Set the station name */
1696         idbuf.len = cpu_to_le16(strlen(priv->nick));
1697         memcpy(&idbuf.val, priv->nick, sizeof(idbuf.val));
1698         err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
1699                                HERMES_BYTES_TO_RECLEN(strlen(priv->nick)+2),
1700                                &idbuf);
1701         if (err) {
1702                 printk(KERN_ERR "%s: Error %d setting nickname\n",
1703                        dev->name, err);
1704                 return err;
1705         }
1706
1707         /* Set AP density */
1708         if (priv->has_sensitivity) {
1709                 err = hermes_write_wordrec(hw, USER_BAP,
1710                                            HERMES_RID_CNFSYSTEMSCALE,
1711                                            priv->ap_density);
1712                 if (err) {
1713                         printk(KERN_WARNING "%s: Error %d setting SYSTEMSCALE.  "
1714                                "Disabling sensitivity control\n",
1715                                dev->name, err);
1716
1717                         priv->has_sensitivity = 0;
1718                 }
1719         }
1720
1721         /* Set RTS threshold */
1722         err = hermes_write_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
1723                                    priv->rts_thresh);
1724         if (err) {
1725                 printk(KERN_ERR "%s: Error %d setting RTS threshold\n",
1726                        dev->name, err);
1727                 return err;
1728         }
1729
1730         /* Set fragmentation threshold or MWO robustness */
1731         if (priv->has_mwo)
1732                 err = hermes_write_wordrec(hw, USER_BAP,
1733                                            HERMES_RID_CNFMWOROBUST_AGERE,
1734                                            priv->mwo_robust);
1735         else
1736                 err = hermes_write_wordrec(hw, USER_BAP,
1737                                            HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
1738                                            priv->frag_thresh);
1739         if (err) {
1740                 printk(KERN_ERR "%s: Error %d setting fragmentation\n",
1741                        dev->name, err);
1742                 return err;
1743         }
1744
1745         /* Set bitrate */
1746         err = __orinoco_hw_set_bitrate(priv);
1747         if (err) {
1748                 printk(KERN_ERR "%s: Error %d setting bitrate\n",
1749                        dev->name, err);
1750                 return err;
1751         }
1752
1753         /* Set power management */
1754         if (priv->has_pm) {
1755                 err = hermes_write_wordrec(hw, USER_BAP,
1756                                            HERMES_RID_CNFPMENABLED,
1757                                            priv->pm_on);
1758                 if (err) {
1759                         printk(KERN_ERR "%s: Error %d setting up PM\n",
1760                                dev->name, err);
1761                         return err;
1762                 }
1763
1764                 err = hermes_write_wordrec(hw, USER_BAP,
1765                                            HERMES_RID_CNFMULTICASTRECEIVE,
1766                                            priv->pm_mcast);
1767                 if (err) {
1768                         printk(KERN_ERR "%s: Error %d setting up PM\n",
1769                                dev->name, err);
1770                         return err;
1771                 }
1772                 err = hermes_write_wordrec(hw, USER_BAP,
1773                                            HERMES_RID_CNFMAXSLEEPDURATION,
1774                                            priv->pm_period);
1775                 if (err) {
1776                         printk(KERN_ERR "%s: Error %d setting up PM\n",
1777                                dev->name, err);
1778                         return err;
1779                 }
1780                 err = hermes_write_wordrec(hw, USER_BAP,
1781                                            HERMES_RID_CNFPMHOLDOVERDURATION,
1782                                            priv->pm_timeout);
1783                 if (err) {
1784                         printk(KERN_ERR "%s: Error %d setting up PM\n",
1785                                dev->name, err);
1786                         return err;
1787                 }
1788         }
1789
1790         /* Set preamble - only for Symbol so far... */
1791         if (priv->has_preamble) {
1792                 err = hermes_write_wordrec(hw, USER_BAP,
1793                                            HERMES_RID_CNFPREAMBLE_SYMBOL,
1794                                            priv->preamble);
1795                 if (err) {
1796                         printk(KERN_ERR "%s: Error %d setting preamble\n",
1797                                dev->name, err);
1798                         return err;
1799                 }
1800         }
1801
1802         /* Set up encryption */
1803         if (priv->has_wep) {
1804                 err = __orinoco_hw_setup_wep(priv);
1805                 if (err) {
1806                         printk(KERN_ERR "%s: Error %d activating WEP\n",
1807                                dev->name, err);
1808                         return err;
1809                 }
1810         }
1811
1812         if (priv->iw_mode == IW_MODE_MONITOR) {
1813                 /* Enable monitor mode */
1814                 dev->type = ARPHRD_IEEE80211;
1815                 err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
1816                                             HERMES_TEST_MONITOR, 0, NULL);
1817         } else {
1818                 /* Disable monitor mode */
1819                 dev->type = ARPHRD_ETHER;
1820                 err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
1821                                             HERMES_TEST_STOP, 0, NULL);
1822         }
1823         if (err)
1824                 return err;
1825
1826         /* Set promiscuity / multicast*/
1827         priv->promiscuous = 0;
1828         priv->mc_count = 0;
1829         __orinoco_set_multicast_list(dev); /* FIXME: what about the xmit_lock */
1830
1831         return 0;
1832 }
1833
1834 /* FIXME: return int? */
1835 static void
1836 __orinoco_set_multicast_list(struct net_device *dev)
1837 {
1838         struct orinoco_private *priv = netdev_priv(dev);
1839         hermes_t *hw = &priv->hw;
1840         int err = 0;
1841         int promisc, mc_count;
1842
1843         /* The Hermes doesn't seem to have an allmulti mode, so we go
1844          * into promiscuous mode and let the upper levels deal. */
1845         if ( (dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI) ||
1846              (dev->mc_count > MAX_MULTICAST(priv)) ) {
1847                 promisc = 1;
1848                 mc_count = 0;
1849         } else {
1850                 promisc = 0;
1851                 mc_count = dev->mc_count;
1852         }
1853
1854         if (promisc != priv->promiscuous) {
1855                 err = hermes_write_wordrec(hw, USER_BAP,
1856                                            HERMES_RID_CNFPROMISCUOUSMODE,
1857                                            promisc);
1858                 if (err) {
1859                         printk(KERN_ERR "%s: Error %d setting PROMISCUOUSMODE to 1.\n",
1860                                dev->name, err);
1861                 } else
1862                         priv->promiscuous = promisc;
1863         }
1864
1865         if (! promisc && (mc_count || priv->mc_count) ) {
1866                 struct dev_mc_list *p = dev->mc_list;
1867                 struct hermes_multicast mclist;
1868                 int i;
1869
1870                 for (i = 0; i < mc_count; i++) {
1871                         /* paranoia: is list shorter than mc_count? */
1872                         BUG_ON(! p);
1873                         /* paranoia: bad address size in list? */
1874                         BUG_ON(p->dmi_addrlen != ETH_ALEN);
1875
1876                         memcpy(mclist.addr[i], p->dmi_addr, ETH_ALEN);
1877                         p = p->next;
1878                 }
1879
1880                 if (p)
1881                         printk(KERN_WARNING "%s: Multicast list is "
1882                                "longer than mc_count\n", dev->name);
1883
1884                 err = hermes_write_ltv(hw, USER_BAP, HERMES_RID_CNFGROUPADDRESSES,
1885                                        HERMES_BYTES_TO_RECLEN(priv->mc_count * ETH_ALEN),
1886                                        &mclist);
1887                 if (err)
1888                         printk(KERN_ERR "%s: Error %d setting multicast list.\n",
1889                                dev->name, err);
1890                 else
1891                         priv->mc_count = mc_count;
1892         }
1893
1894         /* Since we can set the promiscuous flag when it wasn't asked
1895            for, make sure the net_device knows about it. */
1896         if (priv->promiscuous)
1897                 dev->flags |= IFF_PROMISC;
1898         else
1899                 dev->flags &= ~IFF_PROMISC;
1900 }
1901
1902 /* This must be called from user context, without locks held - use
1903  * schedule_work() */
1904 static void orinoco_reset(struct net_device *dev)
1905 {
1906         struct orinoco_private *priv = netdev_priv(dev);
1907         struct hermes *hw = &priv->hw;
1908         int err;
1909         unsigned long flags;
1910
1911         if (orinoco_lock(priv, &flags) != 0)
1912                 /* When the hardware becomes available again, whatever
1913                  * detects that is responsible for re-initializing
1914                  * it. So no need for anything further */
1915                 return;
1916
1917         netif_stop_queue(dev);
1918
1919         /* Shut off interrupts.  Depending on what state the hardware
1920          * is in, this might not work, but we'll try anyway */
1921         hermes_set_irqmask(hw, 0);
1922         hermes_write_regn(hw, EVACK, 0xffff);
1923
1924         priv->hw_unavailable++;
1925         priv->last_linkstatus = 0xffff; /* firmware will have to reassociate */
1926         netif_carrier_off(dev);
1927
1928         orinoco_unlock(priv, &flags);
1929
1930         /* Scanning support: Cleanup of driver struct */
1931         kfree(priv->scan_result);
1932         priv->scan_result = NULL;
1933         priv->scan_inprogress = 0;
1934
1935         if (priv->hard_reset) {
1936                 err = (*priv->hard_reset)(priv);
1937                 if (err) {
1938                         printk(KERN_ERR "%s: orinoco_reset: Error %d "
1939                                "performing hard reset\n", dev->name, err);
1940                         goto disable;
1941                 }
1942         }
1943
1944         err = orinoco_reinit_firmware(dev);
1945         if (err) {
1946                 printk(KERN_ERR "%s: orinoco_reset: Error %d re-initializing firmware\n",
1947                        dev->name, err);
1948                 goto disable;
1949         }
1950
1951         spin_lock_irq(&priv->lock); /* This has to be called from user context */
1952
1953         priv->hw_unavailable--;
1954
1955         /* priv->open or priv->hw_unavailable might have changed while
1956          * we dropped the lock */
1957         if (priv->open && (! priv->hw_unavailable)) {
1958                 err = __orinoco_up(dev);
1959                 if (err) {
1960                         printk(KERN_ERR "%s: orinoco_reset: Error %d reenabling card\n",
1961                                dev->name, err);
1962                 } else
1963                         dev->trans_start = jiffies;
1964         }
1965
1966         spin_unlock_irq(&priv->lock);
1967
1968         return;
1969  disable:
1970         hermes_set_irqmask(hw, 0);
1971         netif_device_detach(dev);
1972         printk(KERN_ERR "%s: Device has been disabled!\n", dev->name);
1973 }
1974
1975 /********************************************************************/
1976 /* Interrupt handler                                                */
1977 /********************************************************************/
1978
1979 static void __orinoco_ev_tick(struct net_device *dev, hermes_t *hw)
1980 {
1981         printk(KERN_DEBUG "%s: TICK\n", dev->name);
1982 }
1983
1984 static void __orinoco_ev_wterr(struct net_device *dev, hermes_t *hw)
1985 {
1986         /* This seems to happen a fair bit under load, but ignoring it
1987            seems to work fine...*/
1988         printk(KERN_DEBUG "%s: MAC controller error (WTERR). Ignoring.\n",
1989                dev->name);
1990 }
1991
1992 irqreturn_t orinoco_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1993 {
1994         struct net_device *dev = (struct net_device *)dev_id;
1995         struct orinoco_private *priv = netdev_priv(dev);
1996         hermes_t *hw = &priv->hw;
1997         int count = MAX_IRQLOOPS_PER_IRQ;
1998         u16 evstat, events;
1999         /* These are used to detect a runaway interrupt situation */
2000         /* If we get more than MAX_IRQLOOPS_PER_JIFFY iterations in a jiffy,
2001          * we panic and shut down the hardware */
2002         static int last_irq_jiffy = 0; /* jiffies value the last time
2003                                         * we were called */
2004         static int loops_this_jiffy = 0;
2005         unsigned long flags;
2006
2007         if (orinoco_lock(priv, &flags) != 0) {
2008                 /* If hw is unavailable - we don't know if the irq was
2009                  * for us or not */
2010                 return IRQ_HANDLED;
2011         }
2012
2013         evstat = hermes_read_regn(hw, EVSTAT);
2014         events = evstat & hw->inten;
2015         if (! events) {
2016                 orinoco_unlock(priv, &flags);
2017                 return IRQ_NONE;
2018         }
2019
2020         if (jiffies != last_irq_jiffy)
2021                 loops_this_jiffy = 0;
2022         last_irq_jiffy = jiffies;
2023
2024         while (events && count--) {
2025                 if (++loops_this_jiffy > MAX_IRQLOOPS_PER_JIFFY) {
2026                         printk(KERN_WARNING "%s: IRQ handler is looping too "
2027                                "much! Resetting.\n", dev->name);
2028                         /* Disable interrupts for now */
2029                         hermes_set_irqmask(hw, 0);
2030                         schedule_work(&priv->reset_work);
2031                         break;
2032                 }
2033
2034                 /* Check the card hasn't been removed */
2035                 if (! hermes_present(hw)) {
2036                         DEBUG(0, "orinoco_interrupt(): card removed\n");
2037                         break;
2038                 }
2039
2040                 if (events & HERMES_EV_TICK)
2041                         __orinoco_ev_tick(dev, hw);
2042                 if (events & HERMES_EV_WTERR)
2043                         __orinoco_ev_wterr(dev, hw);
2044                 if (events & HERMES_EV_INFDROP)
2045                         __orinoco_ev_infdrop(dev, hw);
2046                 if (events & HERMES_EV_INFO)
2047                         __orinoco_ev_info(dev, hw);
2048                 if (events & HERMES_EV_RX)
2049                         __orinoco_ev_rx(dev, hw);
2050                 if (events & HERMES_EV_TXEXC)
2051                         __orinoco_ev_txexc(dev, hw);
2052                 if (events & HERMES_EV_TX)
2053                         __orinoco_ev_tx(dev, hw);
2054                 if (events & HERMES_EV_ALLOC)
2055                         __orinoco_ev_alloc(dev, hw);
2056
2057                 hermes_write_regn(hw, EVACK, evstat);
2058
2059                 evstat = hermes_read_regn(hw, EVSTAT);
2060                 events = evstat & hw->inten;
2061         };
2062
2063         orinoco_unlock(priv, &flags);
2064         return IRQ_HANDLED;
2065 }
2066
2067 /********************************************************************/
2068 /* Initialization                                                   */
2069 /********************************************************************/
2070
2071 struct comp_id {
2072         u16 id, variant, major, minor;
2073 } __attribute__ ((packed));
2074
2075 static inline fwtype_t determine_firmware_type(struct comp_id *nic_id)
2076 {
2077         if (nic_id->id < 0x8000)
2078                 return FIRMWARE_TYPE_AGERE;
2079         else if (nic_id->id == 0x8000 && nic_id->major == 0)
2080                 return FIRMWARE_TYPE_SYMBOL;
2081         else
2082                 return FIRMWARE_TYPE_INTERSIL;
2083 }
2084
2085 /* Set priv->firmware type, determine firmware properties */
2086 static int determine_firmware(struct net_device *dev)
2087 {
2088         struct orinoco_private *priv = netdev_priv(dev);
2089         hermes_t *hw = &priv->hw;
2090         int err;
2091         struct comp_id nic_id, sta_id;
2092         unsigned int firmver;
2093         char tmp[SYMBOL_MAX_VER_LEN+1];
2094
2095         /* Get the hardware version */
2096         err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_NICID, &nic_id);
2097         if (err) {
2098                 printk(KERN_ERR "%s: Cannot read hardware identity: error %d\n",
2099                        dev->name, err);
2100                 return err;
2101         }
2102
2103         le16_to_cpus(&nic_id.id);
2104         le16_to_cpus(&nic_id.variant);
2105         le16_to_cpus(&nic_id.major);
2106         le16_to_cpus(&nic_id.minor);
2107         printk(KERN_DEBUG "%s: Hardware identity %04x:%04x:%04x:%04x\n",
2108                dev->name, nic_id.id, nic_id.variant,
2109                nic_id.major, nic_id.minor);
2110
2111         priv->firmware_type = determine_firmware_type(&nic_id);
2112
2113         /* Get the firmware version */
2114         err = HERMES_READ_RECORD(hw, USER_BAP, HERMES_RID_STAID, &sta_id);
2115         if (err) {
2116                 printk(KERN_ERR "%s: Cannot read station identity: error %d\n",
2117                        dev->name, err);
2118                 return err;
2119         }
2120
2121         le16_to_cpus(&sta_id.id);
2122         le16_to_cpus(&sta_id.variant);
2123         le16_to_cpus(&sta_id.major);
2124         le16_to_cpus(&sta_id.minor);
2125         printk(KERN_DEBUG "%s: Station identity  %04x:%04x:%04x:%04x\n",
2126                dev->name, sta_id.id, sta_id.variant,
2127                sta_id.major, sta_id.minor);
2128
2129         switch (sta_id.id) {
2130         case 0x15:
2131                 printk(KERN_ERR "%s: Primary firmware is active\n",
2132                        dev->name);
2133                 return -ENODEV;
2134         case 0x14b:
2135                 printk(KERN_ERR "%s: Tertiary firmware is active\n",
2136                        dev->name);
2137                 return -ENODEV;
2138         case 0x1f:      /* Intersil, Agere, Symbol Spectrum24 */
2139         case 0x21:      /* Symbol Spectrum24 Trilogy */
2140                 break;
2141         default:
2142                 printk(KERN_NOTICE "%s: Unknown station ID, please report\n",
2143                        dev->name);
2144                 break;
2145         }
2146
2147         /* Default capabilities */
2148         priv->has_sensitivity = 1;
2149         priv->has_mwo = 0;
2150         priv->has_preamble = 0;
2151         priv->has_port3 = 1;
2152         priv->has_ibss = 1;
2153         priv->has_wep = 0;
2154         priv->has_big_wep = 0;
2155
2156         /* Determine capabilities from the firmware version */
2157         switch (priv->firmware_type) {
2158         case FIRMWARE_TYPE_AGERE:
2159                 /* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout,
2160                    ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */
2161                 snprintf(priv->fw_name, sizeof(priv->fw_name) - 1,
2162                          "Lucent/Agere %d.%02d", sta_id.major, sta_id.minor);
2163
2164                 firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor;
2165
2166                 priv->has_ibss = (firmver >= 0x60006);
2167                 priv->has_wep = (firmver >= 0x40020);
2168                 priv->has_big_wep = 1; /* FIXME: this is wrong - how do we tell
2169                                           Gold cards from the others? */
2170                 priv->has_mwo = (firmver >= 0x60000);
2171                 priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */
2172                 priv->ibss_port = 1;
2173                 priv->has_hostscan = (firmver >= 0x8000a);
2174                 priv->broken_monitor = (firmver >= 0x80000);
2175
2176                 /* Tested with Agere firmware :
2177                  *      1.16 ; 4.08 ; 4.52 ; 6.04 ; 6.16 ; 7.28 => Jean II
2178                  * Tested CableTron firmware : 4.32 => Anton */
2179                 break;
2180         case FIRMWARE_TYPE_SYMBOL:
2181                 /* Symbol , 3Com AirConnect, Intel, Ericsson WLAN */
2182                 /* Intel MAC : 00:02:B3:* */
2183                 /* 3Com MAC : 00:50:DA:* */
2184                 memset(tmp, 0, sizeof(tmp));
2185                 /* Get the Symbol firmware version */
2186                 err = hermes_read_ltv(hw, USER_BAP,
2187                                       HERMES_RID_SECONDARYVERSION_SYMBOL,
2188                                       SYMBOL_MAX_VER_LEN, NULL, &tmp);
2189                 if (err) {
2190                         printk(KERN_WARNING
2191                                "%s: Error %d reading Symbol firmware info. Wildly guessing capabilities...\n",
2192                                dev->name, err);
2193                         firmver = 0;
2194                         tmp[0] = '\0';
2195                 } else {
2196                         /* The firmware revision is a string, the format is
2197                          * something like : "V2.20-01".
2198                          * Quick and dirty parsing... - Jean II
2199                          */
2200                         firmver = ((tmp[1] - '0') << 16) | ((tmp[3] - '0') << 12)
2201                                 | ((tmp[4] - '0') << 8) | ((tmp[6] - '0') << 4)
2202                                 | (tmp[7] - '0');
2203
2204                         tmp[SYMBOL_MAX_VER_LEN] = '\0';
2205                 }
2206
2207                 snprintf(priv->fw_name, sizeof(priv->fw_name) - 1,
2208                          "Symbol %s", tmp);
2209
2210                 priv->has_ibss = (firmver >= 0x20000);
2211                 priv->has_wep = (firmver >= 0x15012);
2212                 priv->has_big_wep = (firmver >= 0x20000);
2213                 priv->has_pm = (firmver >= 0x20000 && firmver < 0x22000) ||
2214                                (firmver >= 0x29000 && firmver < 0x30000) ||
2215                                firmver >= 0x31000;
2216                 priv->has_preamble = (firmver >= 0x20000);
2217                 priv->ibss_port = 4;
2218                 priv->broken_disableport = (firmver == 0x25013) ||
2219                                            (firmver >= 0x30000 && firmver <= 0x31000);
2220                 priv->has_hostscan = (firmver >= 0x31001) ||
2221                                      (firmver >= 0x29057 && firmver < 0x30000);
2222                 /* Tested with Intel firmware : 0x20015 => Jean II */
2223                 /* Tested with 3Com firmware : 0x15012 & 0x22001 => Jean II */
2224                 break;
2225         case FIRMWARE_TYPE_INTERSIL:
2226                 /* D-Link, Linksys, Adtron, ZoomAir, and many others...
2227                  * Samsung, Compaq 100/200 and Proxim are slightly
2228                  * different and less well tested */
2229                 /* D-Link MAC : 00:40:05:* */
2230                 /* Addtron MAC : 00:90:D1:* */
2231                 snprintf(priv->fw_name, sizeof(priv->fw_name) - 1,
2232                          "Intersil %d.%d.%d", sta_id.major, sta_id.minor,
2233                          sta_id.variant);
2234
2235                 firmver = ((unsigned long)sta_id.major << 16) |
2236                         ((unsigned long)sta_id.minor << 8) | sta_id.variant;
2237
2238                 priv->has_ibss = (firmver >= 0x000700); /* FIXME */
2239                 priv->has_big_wep = priv->has_wep = (firmver >= 0x000800);
2240                 priv->has_pm = (firmver >= 0x000700);
2241                 priv->has_hostscan = (firmver >= 0x010301);
2242
2243                 if (firmver >= 0x000800)
2244                         priv->ibss_port = 0;
2245                 else {
2246                         printk(KERN_NOTICE "%s: Intersil firmware earlier "
2247                                "than v0.8.x - several features not supported\n",
2248                                dev->name);
2249                         priv->ibss_port = 1;
2250                 }
2251                 break;
2252         }
2253         printk(KERN_DEBUG "%s: Firmware determined as %s\n", dev->name,
2254                priv->fw_name);
2255
2256         return 0;
2257 }
2258
2259 static int orinoco_init(struct net_device *dev)
2260 {
2261         struct orinoco_private *priv = netdev_priv(dev);
2262         hermes_t *hw = &priv->hw;
2263         int err = 0;
2264         struct hermes_idstring nickbuf;
2265         u16 reclen;
2266         int len;
2267
2268         /* No need to lock, the hw_unavailable flag is already set in
2269          * alloc_orinocodev() */
2270         priv->nicbuf_size = IEEE80211_FRAME_LEN + ETH_HLEN;
2271
2272         /* Initialize the firmware */
2273         err = orinoco_reinit_firmware(dev);
2274         if (err != 0) {
2275                 printk(KERN_ERR "%s: failed to initialize firmware (err = %d)\n",
2276                        dev->name, err);
2277                 goto out;
2278         }
2279
2280         err = determine_firmware(dev);
2281         if (err != 0) {
2282                 printk(KERN_ERR "%s: Incompatible firmware, aborting\n",
2283                        dev->name);
2284                 goto out;
2285         }
2286
2287         if (priv->has_port3)
2288                 printk(KERN_DEBUG "%s: Ad-hoc demo mode supported\n", dev->name);
2289         if (priv->has_ibss)
2290                 printk(KERN_DEBUG "%s: IEEE standard IBSS ad-hoc mode supported\n",
2291                        dev->name);
2292         if (priv->has_wep) {
2293                 printk(KERN_DEBUG "%s: WEP supported, ", dev->name);
2294                 if (priv->has_big_wep)
2295                         printk("104-bit key\n");
2296                 else
2297                         printk("40-bit key\n");
2298         }
2299
2300         /* Get the MAC address */
2301         err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNMACADDR,
2302                               ETH_ALEN, NULL, dev->dev_addr);
2303         if (err) {
2304                 printk(KERN_WARNING "%s: failed to read MAC address!\n",
2305                        dev->name);
2306                 goto out;
2307         }
2308
2309         printk(KERN_DEBUG "%s: MAC address %02X:%02X:%02X:%02X:%02X:%02X\n",
2310                dev->name, dev->dev_addr[0], dev->dev_addr[1],
2311                dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4],
2312                dev->dev_addr[5]);
2313
2314         /* Get the station name */
2315         err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
2316                               sizeof(nickbuf), &reclen, &nickbuf);
2317         if (err) {
2318                 printk(KERN_ERR "%s: failed to read station name\n",
2319                        dev->name);
2320                 goto out;
2321         }
2322         if (nickbuf.len)
2323                 len = min(IW_ESSID_MAX_SIZE, (int)le16_to_cpu(nickbuf.len));
2324         else
2325                 len = min(IW_ESSID_MAX_SIZE, 2 * reclen);
2326         memcpy(priv->nick, &nickbuf.val, len);
2327         priv->nick[len] = '\0';
2328
2329         printk(KERN_DEBUG "%s: Station name \"%s\"\n", dev->name, priv->nick);
2330
2331         /* Get allowed channels */
2332         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST,
2333                                   &priv->channel_mask);
2334         if (err) {
2335                 printk(KERN_ERR "%s: failed to read channel list!\n",
2336                        dev->name);
2337                 goto out;
2338         }
2339
2340         /* Get initial AP density */
2341         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFSYSTEMSCALE,
2342                                   &priv->ap_density);
2343         if (err || priv->ap_density < 1 || priv->ap_density > 3) {
2344                 priv->has_sensitivity = 0;
2345         }
2346
2347         /* Get initial RTS threshold */
2348         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFRTSTHRESHOLD,
2349                                   &priv->rts_thresh);
2350         if (err) {
2351                 printk(KERN_ERR "%s: failed to read RTS threshold!\n",
2352                        dev->name);
2353                 goto out;
2354         }
2355
2356         /* Get initial fragmentation settings */
2357         if (priv->has_mwo)
2358                 err = hermes_read_wordrec(hw, USER_BAP,
2359                                           HERMES_RID_CNFMWOROBUST_AGERE,
2360                                           &priv->mwo_robust);
2361         else
2362                 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
2363                                           &priv->frag_thresh);
2364         if (err) {
2365                 printk(KERN_ERR "%s: failed to read fragmentation settings!\n",
2366                        dev->name);
2367                 goto out;
2368         }
2369
2370         /* Power management setup */
2371         if (priv->has_pm) {
2372                 priv->pm_on = 0;
2373                 priv->pm_mcast = 1;
2374                 err = hermes_read_wordrec(hw, USER_BAP,
2375                                           HERMES_RID_CNFMAXSLEEPDURATION,
2376                                           &priv->pm_period);
2377                 if (err) {
2378                         printk(KERN_ERR "%s: failed to read power management period!\n",
2379                                dev->name);
2380                         goto out;
2381                 }
2382                 err = hermes_read_wordrec(hw, USER_BAP,
2383                                           HERMES_RID_CNFPMHOLDOVERDURATION,
2384                                           &priv->pm_timeout);
2385                 if (err) {
2386                         printk(KERN_ERR "%s: failed to read power management timeout!\n",
2387                                dev->name);
2388                         goto out;
2389                 }
2390         }
2391
2392         /* Preamble setup */
2393         if (priv->has_preamble) {
2394                 err = hermes_read_wordrec(hw, USER_BAP,
2395                                           HERMES_RID_CNFPREAMBLE_SYMBOL,
2396                                           &priv->preamble);
2397                 if (err)
2398                         goto out;
2399         }
2400
2401         /* Set up the default configuration */
2402         priv->iw_mode = IW_MODE_INFRA;
2403         /* By default use IEEE/IBSS ad-hoc mode if we have it */
2404         priv->prefer_port3 = priv->has_port3 && (! priv->has_ibss);
2405         set_port_type(priv);
2406         priv->channel = 0; /* use firmware default */
2407
2408         priv->promiscuous = 0;
2409         priv->wep_on = 0;
2410         priv->tx_key = 0;
2411
2412         /* Make the hardware available, as long as it hasn't been
2413          * removed elsewhere (e.g. by PCMCIA hot unplug) */
2414         spin_lock_irq(&priv->lock);
2415         priv->hw_unavailable--;
2416         spin_unlock_irq(&priv->lock);
2417
2418         printk(KERN_DEBUG "%s: ready\n", dev->name);
2419
2420  out:
2421         return err;
2422 }
2423
2424 struct net_device *alloc_orinocodev(int sizeof_card,
2425                                     int (*hard_reset)(struct orinoco_private *))
2426 {
2427         struct net_device *dev;
2428         struct orinoco_private *priv;
2429
2430         dev = alloc_etherdev(sizeof(struct orinoco_private) + sizeof_card);
2431         if (! dev)
2432                 return NULL;
2433         priv = netdev_priv(dev);
2434         priv->ndev = dev;
2435         if (sizeof_card)
2436                 priv->card = (void *)((unsigned long)priv
2437                                       + sizeof(struct orinoco_private));
2438         else
2439                 priv->card = NULL;
2440
2441         /* Setup / override net_device fields */
2442         dev->init = orinoco_init;
2443         dev->hard_start_xmit = orinoco_xmit;
2444         dev->tx_timeout = orinoco_tx_timeout;
2445         dev->watchdog_timeo = HZ; /* 1 second timeout */
2446         dev->get_stats = orinoco_get_stats;
2447         dev->ethtool_ops = &orinoco_ethtool_ops;
2448         dev->wireless_handlers = (struct iw_handler_def *)&orinoco_handler_def;
2449 #ifdef WIRELESS_SPY
2450         priv->wireless_data.spy_data = &priv->spy_data;
2451         dev->wireless_data = &priv->wireless_data;
2452 #endif
2453         dev->change_mtu = orinoco_change_mtu;
2454         dev->set_multicast_list = orinoco_set_multicast_list;
2455         /* we use the default eth_mac_addr for setting the MAC addr */
2456
2457         /* Set up default callbacks */
2458         dev->open = orinoco_open;
2459         dev->stop = orinoco_stop;
2460         priv->hard_reset = hard_reset;
2461
2462         spin_lock_init(&priv->lock);
2463         priv->open = 0;
2464         priv->hw_unavailable = 1; /* orinoco_init() must clear this
2465                                    * before anything else touches the
2466                                    * hardware */
2467         INIT_WORK(&priv->reset_work, (void (*)(void *))orinoco_reset, dev);
2468         INIT_WORK(&priv->join_work, (void (*)(void *))orinoco_join_ap, dev);
2469         INIT_WORK(&priv->wevent_work, (void (*)(void *))orinoco_send_wevents, dev);
2470
2471         netif_carrier_off(dev);
2472         priv->last_linkstatus = 0xffff;
2473
2474         return dev;
2475
2476 }
2477
2478 void free_orinocodev(struct net_device *dev)
2479 {
2480         struct orinoco_private *priv = netdev_priv(dev);
2481
2482         kfree(priv->scan_result);
2483         free_netdev(dev);
2484 }
2485
2486 /********************************************************************/
2487 /* Wireless extensions                                              */
2488 /********************************************************************/
2489
2490 static int orinoco_hw_get_essid(struct orinoco_private *priv, int *active,
2491                                 char buf[IW_ESSID_MAX_SIZE+1])
2492 {
2493         hermes_t *hw = &priv->hw;
2494         int err = 0;
2495         struct hermes_idstring essidbuf;
2496         char *p = (char *)(&essidbuf.val);
2497         int len;
2498         unsigned long flags;
2499
2500         if (orinoco_lock(priv, &flags) != 0)
2501                 return -EBUSY;
2502
2503         if (strlen(priv->desired_essid) > 0) {
2504                 /* We read the desired SSID from the hardware rather
2505                    than from priv->desired_essid, just in case the
2506                    firmware is allowed to change it on us. I'm not
2507                    sure about this */
2508                 /* My guess is that the OWNSSID should always be whatever
2509                  * we set to the card, whereas CURRENT_SSID is the one that
2510                  * may change... - Jean II */
2511                 u16 rid;
2512
2513                 *active = 1;
2514
2515                 rid = (priv->port_type == 3) ? HERMES_RID_CNFOWNSSID :
2516                         HERMES_RID_CNFDESIREDSSID;
2517
2518                 err = hermes_read_ltv(hw, USER_BAP, rid, sizeof(essidbuf),
2519                                       NULL, &essidbuf);
2520                 if (err)
2521                         goto fail_unlock;
2522         } else {
2523                 *active = 0;
2524
2525                 err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTSSID,
2526                                       sizeof(essidbuf), NULL, &essidbuf);
2527                 if (err)
2528                         goto fail_unlock;
2529         }
2530
2531         len = le16_to_cpu(essidbuf.len);
2532         BUG_ON(len > IW_ESSID_MAX_SIZE);
2533
2534         memset(buf, 0, IW_ESSID_MAX_SIZE+1);
2535         memcpy(buf, p, len);
2536         buf[len] = '\0';
2537
2538  fail_unlock:
2539         orinoco_unlock(priv, &flags);
2540
2541         return err;
2542 }
2543
2544 static long orinoco_hw_get_freq(struct orinoco_private *priv)
2545 {
2546
2547         hermes_t *hw = &priv->hw;
2548         int err = 0;
2549         u16 channel;
2550         long freq = 0;
2551         unsigned long flags;
2552
2553         if (orinoco_lock(priv, &flags) != 0)
2554                 return -EBUSY;
2555
2556         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CURRENTCHANNEL, &channel);
2557         if (err)
2558                 goto out;
2559
2560         /* Intersil firmware 1.3.5 returns 0 when the interface is down */
2561         if (channel == 0) {
2562                 err = -EBUSY;
2563                 goto out;
2564         }
2565
2566         if ( (channel < 1) || (channel > NUM_CHANNELS) ) {
2567                 printk(KERN_WARNING "%s: Channel out of range (%d)!\n",
2568                        priv->ndev->name, channel);
2569                 err = -EBUSY;
2570                 goto out;
2571
2572         }
2573         freq = channel_frequency[channel-1] * 100000;
2574
2575  out:
2576         orinoco_unlock(priv, &flags);
2577
2578         if (err > 0)
2579                 err = -EBUSY;
2580         return err ? err : freq;
2581 }
2582
2583 static int orinoco_hw_get_bitratelist(struct orinoco_private *priv,
2584                                       int *numrates, s32 *rates, int max)
2585 {
2586         hermes_t *hw = &priv->hw;
2587         struct hermes_idstring list;
2588         unsigned char *p = (unsigned char *)&list.val;
2589         int err = 0;
2590         int num;
2591         int i;
2592         unsigned long flags;
2593
2594         if (orinoco_lock(priv, &flags) != 0)
2595                 return -EBUSY;
2596
2597         err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_SUPPORTEDDATARATES,
2598                               sizeof(list), NULL, &list);
2599         orinoco_unlock(priv, &flags);
2600
2601         if (err)
2602                 return err;
2603
2604         num = le16_to_cpu(list.len);
2605         *numrates = num;
2606         num = min(num, max);
2607
2608         for (i = 0; i < num; i++) {
2609                 rates[i] = (p[i] & 0x7f) * 500000; /* convert to bps */
2610         }
2611
2612         return 0;
2613 }
2614
2615 static int orinoco_ioctl_getname(struct net_device *dev,
2616                                  struct iw_request_info *info,
2617                                  char *name,
2618                                  char *extra)
2619 {
2620         struct orinoco_private *priv = netdev_priv(dev);
2621         int numrates;
2622         int err;
2623
2624         err = orinoco_hw_get_bitratelist(priv, &numrates, NULL, 0);
2625
2626         if (!err && (numrates > 2))
2627                 strcpy(name, "IEEE 802.11b");
2628         else
2629                 strcpy(name, "IEEE 802.11-DS");
2630
2631         return 0;
2632 }
2633
2634 static int orinoco_ioctl_setwap(struct net_device *dev,
2635                                 struct iw_request_info *info,
2636                                 struct sockaddr *ap_addr,
2637                                 char *extra)
2638 {
2639         struct orinoco_private *priv = netdev_priv(dev);
2640         int err = -EINPROGRESS;         /* Call commit handler */
2641         unsigned long flags;
2642         static const u8 off_addr[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
2643         static const u8 any_addr[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2644
2645         if (orinoco_lock(priv, &flags) != 0)
2646                 return -EBUSY;
2647
2648         /* Enable automatic roaming - no sanity checks are needed */
2649         if (memcmp(&ap_addr->sa_data, off_addr, ETH_ALEN) == 0 ||
2650             memcmp(&ap_addr->sa_data, any_addr, ETH_ALEN) == 0) {
2651                 priv->bssid_fixed = 0;
2652                 memset(priv->desired_bssid, 0, ETH_ALEN);
2653
2654                 /* "off" means keep existing connection */
2655                 if (ap_addr->sa_data[0] == 0) {
2656                         __orinoco_hw_set_wap(priv);
2657                         err = 0;
2658                 }
2659                 goto out;
2660         }
2661
2662         if (priv->firmware_type == FIRMWARE_TYPE_AGERE) {
2663                 printk(KERN_WARNING "%s: Lucent/Agere firmware doesn't "
2664                        "support manual roaming\n",
2665                        dev->name);
2666                 err = -EOPNOTSUPP;
2667                 goto out;
2668         }
2669
2670         if (priv->iw_mode != IW_MODE_INFRA) {
2671                 printk(KERN_WARNING "%s: Manual roaming supported only in "
2672                        "managed mode\n", dev->name);
2673                 err = -EOPNOTSUPP;
2674                 goto out;
2675         }
2676
2677         /* Intersil firmware hangs without Desired ESSID */
2678         if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL &&
2679             strlen(priv->desired_essid) == 0) {
2680                 printk(KERN_WARNING "%s: Desired ESSID must be set for "
2681                        "manual roaming\n", dev->name);
2682                 err = -EOPNOTSUPP;
2683                 goto out;
2684         }
2685
2686         /* Finally, enable manual roaming */
2687         priv->bssid_fixed = 1;
2688         memcpy(priv->desired_bssid, &ap_addr->sa_data, ETH_ALEN);
2689
2690  out:
2691         orinoco_unlock(priv, &flags);
2692         return err;
2693 }
2694
2695 static int orinoco_ioctl_getwap(struct net_device *dev,
2696                                 struct iw_request_info *info,
2697                                 struct sockaddr *ap_addr,
2698                                 char *extra)
2699 {
2700         struct orinoco_private *priv = netdev_priv(dev);
2701
2702         hermes_t *hw = &priv->hw;
2703         int err = 0;
2704         unsigned long flags;
2705
2706         if (orinoco_lock(priv, &flags) != 0)
2707                 return -EBUSY;
2708
2709         ap_addr->sa_family = ARPHRD_ETHER;
2710         err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
2711                               ETH_ALEN, NULL, ap_addr->sa_data);
2712
2713         orinoco_unlock(priv, &flags);
2714
2715         return err;
2716 }
2717
2718 static int orinoco_ioctl_setmode(struct net_device *dev,
2719                                  struct iw_request_info *info,
2720                                  u32 *mode,
2721                                  char *extra)
2722 {
2723         struct orinoco_private *priv = netdev_priv(dev);
2724         int err = -EINPROGRESS;         /* Call commit handler */
2725         unsigned long flags;
2726
2727         if (priv->iw_mode == *mode)
2728                 return 0;
2729
2730         if (orinoco_lock(priv, &flags) != 0)
2731                 return -EBUSY;
2732
2733         switch (*mode) {
2734         case IW_MODE_ADHOC:
2735                 if (!priv->has_ibss && !priv->has_port3)
2736                         err = -EOPNOTSUPP;
2737                 break;
2738
2739         case IW_MODE_INFRA:
2740                 break;
2741
2742         case IW_MODE_MONITOR:
2743                 if (priv->broken_monitor && !force_monitor) {
2744                         printk(KERN_WARNING "%s: Monitor mode support is "
2745                                "buggy in this firmware, not enabling\n",
2746                                dev->name);
2747                         err = -EOPNOTSUPP;
2748                 }
2749                 break;
2750
2751         default:
2752                 err = -EOPNOTSUPP;
2753                 break;
2754         }
2755
2756         if (err == -EINPROGRESS) {
2757                 priv->iw_mode = *mode;
2758                 set_port_type(priv);
2759         }
2760
2761         orinoco_unlock(priv, &flags);
2762
2763         return err;
2764 }
2765
2766 static int orinoco_ioctl_getmode(struct net_device *dev,
2767                                  struct iw_request_info *info,
2768                                  u32 *mode,
2769                                  char *extra)
2770 {
2771         struct orinoco_private *priv = netdev_priv(dev);
2772
2773         *mode = priv->iw_mode;
2774         return 0;
2775 }
2776
2777 static int orinoco_ioctl_getiwrange(struct net_device *dev,
2778                                     struct iw_request_info *info,
2779                                     struct iw_point *rrq,
2780                                     char *extra)
2781 {
2782         struct orinoco_private *priv = netdev_priv(dev);
2783         int err = 0;
2784         struct iw_range *range = (struct iw_range *) extra;
2785         int numrates;
2786         int i, k;
2787
2788         rrq->length = sizeof(struct iw_range);
2789         memset(range, 0, sizeof(struct iw_range));
2790
2791         range->we_version_compiled = WIRELESS_EXT;
2792         range->we_version_source = 14;
2793
2794         /* Set available channels/frequencies */
2795         range->num_channels = NUM_CHANNELS;
2796         k = 0;
2797         for (i = 0; i < NUM_CHANNELS; i++) {
2798                 if (priv->channel_mask & (1 << i)) {
2799                         range->freq[k].i = i + 1;
2800                         range->freq[k].m = channel_frequency[i] * 100000;
2801                         range->freq[k].e = 1;
2802                         k++;
2803                 }
2804
2805                 if (k >= IW_MAX_FREQUENCIES)
2806                         break;
2807         }
2808         range->num_frequency = k;
2809         range->sensitivity = 3;
2810
2811         if (priv->has_wep) {
2812                 range->max_encoding_tokens = ORINOCO_MAX_KEYS;
2813                 range->encoding_size[0] = SMALL_KEY_SIZE;
2814                 range->num_encoding_sizes = 1;
2815
2816                 if (priv->has_big_wep) {
2817                         range->encoding_size[1] = LARGE_KEY_SIZE;
2818                         range->num_encoding_sizes = 2;
2819                 }
2820         }
2821
2822         if ((priv->iw_mode == IW_MODE_ADHOC) && (!SPY_NUMBER(priv))){
2823                 /* Quality stats meaningless in ad-hoc mode */
2824         } else {
2825                 range->max_qual.qual = 0x8b - 0x2f;
2826                 range->max_qual.level = 0x2f - 0x95 - 1;
2827                 range->max_qual.noise = 0x2f - 0x95 - 1;
2828                 /* Need to get better values */
2829                 range->avg_qual.qual = 0x24;
2830                 range->avg_qual.level = 0xC2;
2831                 range->avg_qual.noise = 0x9E;
2832         }
2833
2834         err = orinoco_hw_get_bitratelist(priv, &numrates,
2835                                          range->bitrate, IW_MAX_BITRATES);
2836         if (err)
2837                 return err;
2838         range->num_bitrates = numrates;
2839
2840         /* Set an indication of the max TCP throughput in bit/s that we can
2841          * expect using this interface. May be use for QoS stuff...
2842          * Jean II */
2843         if (numrates > 2)
2844                 range->throughput = 5 * 1000 * 1000;    /* ~5 Mb/s */
2845         else
2846                 range->throughput = 1.5 * 1000 * 1000;  /* ~1.5 Mb/s */
2847
2848         range->min_rts = 0;
2849         range->max_rts = 2347;
2850         range->min_frag = 256;
2851         range->max_frag = 2346;
2852
2853         range->min_pmp = 0;
2854         range->max_pmp = 65535000;
2855         range->min_pmt = 0;
2856         range->max_pmt = 65535 * 1000;  /* ??? */
2857         range->pmp_flags = IW_POWER_PERIOD;
2858         range->pmt_flags = IW_POWER_TIMEOUT;
2859         range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
2860
2861         range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
2862         range->retry_flags = IW_RETRY_LIMIT;
2863         range->r_time_flags = IW_RETRY_LIFETIME;
2864         range->min_retry = 0;
2865         range->max_retry = 65535;       /* ??? */
2866         range->min_r_time = 0;
2867         range->max_r_time = 65535 * 1000;       /* ??? */
2868
2869         /* Event capability (kernel) */
2870         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
2871         /* Event capability (driver) */
2872         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
2873         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
2874         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
2875         IW_EVENT_CAPA_SET(range->event_capa, IWEVTXDROP);
2876
2877         return 0;
2878 }
2879
2880 static int orinoco_ioctl_setiwencode(struct net_device *dev,
2881                                      struct iw_request_info *info,
2882                                      struct iw_point *erq,
2883                                      char *keybuf)
2884 {
2885         struct orinoco_private *priv = netdev_priv(dev);
2886         int index = (erq->flags & IW_ENCODE_INDEX) - 1;
2887         int setindex = priv->tx_key;
2888         int enable = priv->wep_on;
2889         int restricted = priv->wep_restrict;
2890         u16 xlen = 0;
2891         int err = -EINPROGRESS;         /* Call commit handler */
2892         unsigned long flags;
2893
2894         if (! priv->has_wep)
2895                 return -EOPNOTSUPP;
2896
2897         if (erq->pointer) {
2898                 /* We actually have a key to set - check its length */
2899                 if (erq->length > LARGE_KEY_SIZE)
2900                         return -E2BIG;
2901
2902                 if ( (erq->length > SMALL_KEY_SIZE) && !priv->has_big_wep )
2903                         return -E2BIG;
2904         }
2905
2906         if (orinoco_lock(priv, &flags) != 0)
2907                 return -EBUSY;
2908
2909         if (erq->pointer) {
2910                 if ((index < 0) || (index >= ORINOCO_MAX_KEYS))
2911                         index = priv->tx_key;
2912
2913                 /* Adjust key length to a supported value */
2914                 if (erq->length > SMALL_KEY_SIZE) {
2915                         xlen = LARGE_KEY_SIZE;
2916                 } else if (erq->length > 0) {
2917                         xlen = SMALL_KEY_SIZE;
2918                 } else
2919                         xlen = 0;
2920
2921                 /* Switch on WEP if off */
2922                 if ((!enable) && (xlen > 0)) {
2923                         setindex = index;
2924                         enable = 1;
2925                 }
2926         } else {
2927                 /* Important note : if the user do "iwconfig eth0 enc off",
2928                  * we will arrive there with an index of -1. This is valid
2929                  * but need to be taken care off... Jean II */
2930                 if ((index < 0) || (index >= ORINOCO_MAX_KEYS)) {
2931                         if((index != -1) || (erq->flags == 0)) {
2932                                 err = -EINVAL;
2933                                 goto out;
2934                         }
2935                 } else {
2936                         /* Set the index : Check that the key is valid */
2937                         if(priv->keys[index].len == 0) {
2938                                 err = -EINVAL;
2939                                 goto out;
2940                         }
2941                         setindex = index;
2942                 }
2943         }
2944
2945         if (erq->flags & IW_ENCODE_DISABLED)
2946                 enable = 0;
2947         if (erq->flags & IW_ENCODE_OPEN)
2948                 restricted = 0;
2949         if (erq->flags & IW_ENCODE_RESTRICTED)
2950                 restricted = 1;
2951
2952         if (erq->pointer) {
2953                 priv->keys[index].len = cpu_to_le16(xlen);
2954                 memset(priv->keys[index].data, 0,
2955                        sizeof(priv->keys[index].data));
2956                 memcpy(priv->keys[index].data, keybuf, erq->length);
2957         }
2958         priv->tx_key = setindex;
2959
2960         /* Try fast key change if connected and only keys are changed */
2961         if (priv->wep_on && enable && (priv->wep_restrict == restricted) &&
2962             netif_carrier_ok(dev)) {
2963                 err = __orinoco_hw_setup_wepkeys(priv);
2964                 /* No need to commit if successful */
2965                 goto out;
2966         }
2967
2968         priv->wep_on = enable;
2969         priv->wep_restrict = restricted;
2970
2971  out:
2972         orinoco_unlock(priv, &flags);
2973
2974         return err;
2975 }
2976
2977 static int orinoco_ioctl_getiwencode(struct net_device *dev,
2978                                      struct iw_request_info *info,
2979                                      struct iw_point *erq,
2980                                      char *keybuf)
2981 {
2982         struct orinoco_private *priv = netdev_priv(dev);
2983         int index = (erq->flags & IW_ENCODE_INDEX) - 1;
2984         u16 xlen = 0;
2985         unsigned long flags;
2986
2987         if (! priv->has_wep)
2988                 return -EOPNOTSUPP;
2989
2990         if (orinoco_lock(priv, &flags) != 0)
2991                 return -EBUSY;
2992
2993         if ((index < 0) || (index >= ORINOCO_MAX_KEYS))
2994                 index = priv->tx_key;
2995
2996         erq->flags = 0;
2997         if (! priv->wep_on)
2998                 erq->flags |= IW_ENCODE_DISABLED;
2999         erq->flags |= index + 1;
3000
3001         if (priv->wep_restrict)
3002                 erq->flags |= IW_ENCODE_RESTRICTED;
3003         else
3004                 erq->flags |= IW_ENCODE_OPEN;
3005
3006         xlen = le16_to_cpu(priv->keys[index].len);
3007
3008         erq->length = xlen;
3009
3010         memcpy(keybuf, priv->keys[index].data, ORINOCO_MAX_KEY_SIZE);
3011
3012         orinoco_unlock(priv, &flags);
3013         return 0;
3014 }
3015
3016 static int orinoco_ioctl_setessid(struct net_device *dev,
3017                                   struct iw_request_info *info,
3018                                   struct iw_point *erq,
3019                                   char *essidbuf)
3020 {
3021         struct orinoco_private *priv = netdev_priv(dev);
3022         unsigned long flags;
3023
3024         /* Note : ESSID is ignored in Ad-Hoc demo mode, but we can set it
3025          * anyway... - Jean II */
3026
3027         /* Hum... Should not use Wireless Extension constant (may change),
3028          * should use our own... - Jean II */
3029         if (erq->length > IW_ESSID_MAX_SIZE)
3030                 return -E2BIG;
3031
3032         if (orinoco_lock(priv, &flags) != 0)
3033                 return -EBUSY;
3034
3035         /* NULL the string (for NULL termination & ESSID = ANY) - Jean II */
3036         memset(priv->desired_essid, 0, sizeof(priv->desired_essid));
3037
3038         /* If not ANY, get the new ESSID */
3039         if (erq->flags) {
3040                 memcpy(priv->desired_essid, essidbuf, erq->length);
3041         }
3042
3043         orinoco_unlock(priv, &flags);
3044
3045         return -EINPROGRESS;            /* Call commit handler */
3046 }
3047
3048 static int orinoco_ioctl_getessid(struct net_device *dev,
3049                                   struct iw_request_info *info,
3050                                   struct iw_point *erq,
3051                                   char *essidbuf)
3052 {
3053         struct orinoco_private *priv = netdev_priv(dev);
3054         int active;
3055         int err = 0;
3056         unsigned long flags;
3057
3058         if (netif_running(dev)) {
3059                 err = orinoco_hw_get_essid(priv, &active, essidbuf);
3060                 if (err)
3061                         return err;
3062         } else {
3063                 if (orinoco_lock(priv, &flags) != 0)
3064                         return -EBUSY;
3065                 memcpy(essidbuf, priv->desired_essid, IW_ESSID_MAX_SIZE + 1);
3066                 orinoco_unlock(priv, &flags);
3067         }
3068
3069         erq->flags = 1;
3070         erq->length = strlen(essidbuf) + 1;
3071
3072         return 0;
3073 }
3074
3075 static int orinoco_ioctl_setnick(struct net_device *dev,
3076                                  struct iw_request_info *info,
3077                                  struct iw_point *nrq,
3078                                  char *nickbuf)
3079 {
3080         struct orinoco_private *priv = netdev_priv(dev);
3081         unsigned long flags;
3082
3083         if (nrq->length > IW_ESSID_MAX_SIZE)
3084                 return -E2BIG;
3085
3086         if (orinoco_lock(priv, &flags) != 0)
3087                 return -EBUSY;
3088
3089         memset(priv->nick, 0, sizeof(priv->nick));
3090         memcpy(priv->nick, nickbuf, nrq->length);
3091
3092         orinoco_unlock(priv, &flags);
3093
3094         return -EINPROGRESS;            /* Call commit handler */
3095 }
3096
3097 static int orinoco_ioctl_getnick(struct net_device *dev,
3098                                  struct iw_request_info *info,
3099                                  struct iw_point *nrq,
3100                                  char *nickbuf)
3101 {
3102         struct orinoco_private *priv = netdev_priv(dev);
3103         unsigned long flags;
3104
3105         if (orinoco_lock(priv, &flags) != 0)
3106                 return -EBUSY;
3107
3108         memcpy(nickbuf, priv->nick, IW_ESSID_MAX_SIZE+1);
3109         orinoco_unlock(priv, &flags);
3110
3111         nrq->length = strlen(nickbuf)+1;
3112
3113         return 0;
3114 }
3115
3116 static int orinoco_ioctl_setfreq(struct net_device *dev,
3117                                  struct iw_request_info *info,
3118                                  struct iw_freq *frq,
3119                                  char *extra)
3120 {
3121         struct orinoco_private *priv = netdev_priv(dev);
3122         int chan = -1;
3123         unsigned long flags;
3124         int err = -EINPROGRESS;         /* Call commit handler */
3125
3126         /* In infrastructure mode the AP sets the channel */
3127         if (priv->iw_mode == IW_MODE_INFRA)
3128                 return -EBUSY;
3129
3130         if ( (frq->e == 0) && (frq->m <= 1000) ) {
3131                 /* Setting by channel number */
3132                 chan = frq->m;
3133         } else {
3134                 /* Setting by frequency - search the table */
3135                 int mult = 1;
3136                 int i;
3137
3138                 for (i = 0; i < (6 - frq->e); i++)
3139                         mult *= 10;
3140
3141                 for (i = 0; i < NUM_CHANNELS; i++)
3142                         if (frq->m == (channel_frequency[i] * mult))
3143                                 chan = i+1;
3144         }
3145
3146         if ( (chan < 1) || (chan > NUM_CHANNELS) ||
3147              ! (priv->channel_mask & (1 << (chan-1)) ) )
3148                 return -EINVAL;
3149
3150         if (orinoco_lock(priv, &flags) != 0)
3151                 return -EBUSY;
3152
3153         priv->channel = chan;
3154         if (priv->iw_mode == IW_MODE_MONITOR) {
3155                 /* Fast channel change - no commit if successful */
3156                 hermes_t *hw = &priv->hw;
3157                 err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
3158                                             HERMES_TEST_SET_CHANNEL,
3159                                         chan, NULL);
3160         }
3161         orinoco_unlock(priv, &flags);
3162
3163         return err;
3164 }
3165
3166 static int orinoco_ioctl_getfreq(struct net_device *dev,
3167                                  struct iw_request_info *info,
3168                                  struct iw_freq *frq,
3169                                  char *extra)
3170 {
3171         struct orinoco_private *priv = netdev_priv(dev);
3172         int tmp;
3173
3174         /* Locking done in there */
3175         tmp = orinoco_hw_get_freq(priv);
3176         if (tmp < 0) {
3177                 return tmp;
3178         }
3179
3180         frq->m = tmp;
3181         frq->e = 1;
3182
3183         return 0;
3184 }
3185
3186 static int orinoco_ioctl_getsens(struct net_device *dev,
3187                                  struct iw_request_info *info,
3188                                  struct iw_param *srq,
3189                                  char *extra)
3190 {
3191         struct orinoco_private *priv = netdev_priv(dev);
3192         hermes_t *hw = &priv->hw;
3193         u16 val;
3194         int err;
3195         unsigned long flags;
3196
3197         if (!priv->has_sensitivity)
3198                 return -EOPNOTSUPP;
3199
3200         if (orinoco_lock(priv, &flags) != 0)
3201                 return -EBUSY;
3202         err = hermes_read_wordrec(hw, USER_BAP,
3203                                   HERMES_RID_CNFSYSTEMSCALE, &val);
3204         orinoco_unlock(priv, &flags);
3205
3206         if (err)
3207                 return err;
3208
3209         srq->value = val;
3210         srq->fixed = 0; /* auto */
3211
3212         return 0;
3213 }
3214
3215 static int orinoco_ioctl_setsens(struct net_device *dev,
3216                                  struct iw_request_info *info,
3217                                  struct iw_param *srq,
3218                                  char *extra)
3219 {
3220         struct orinoco_private *priv = netdev_priv(dev);
3221         int val = srq->value;
3222         unsigned long flags;
3223
3224         if (!priv->has_sensitivity)
3225                 return -EOPNOTSUPP;
3226
3227         if ((val < 1) || (val > 3))
3228                 return -EINVAL;
3229
3230         if (orinoco_lock(priv, &flags) != 0)
3231                 return -EBUSY;
3232         priv->ap_density = val;
3233         orinoco_unlock(priv, &flags);
3234
3235         return -EINPROGRESS;            /* Call commit handler */
3236 }
3237
3238 static int orinoco_ioctl_setrts(struct net_device *dev,
3239                                 struct iw_request_info *info,
3240                                 struct iw_param *rrq,
3241                                 char *extra)
3242 {
3243         struct orinoco_private *priv = netdev_priv(dev);
3244         int val = rrq->value;
3245         unsigned long flags;
3246
3247         if (rrq->disabled)
3248                 val = 2347;
3249
3250         if ( (val < 0) || (val > 2347) )
3251                 return -EINVAL;
3252
3253         if (orinoco_lock(priv, &flags) != 0)
3254                 return -EBUSY;
3255
3256         priv->rts_thresh = val;
3257         orinoco_unlock(priv, &flags);
3258
3259         return -EINPROGRESS;            /* Call commit handler */
3260 }
3261
3262 static int orinoco_ioctl_getrts(struct net_device *dev,
3263                                 struct iw_request_info *info,
3264                                 struct iw_param *rrq,
3265                                 char *extra)
3266 {
3267         struct orinoco_private *priv = netdev_priv(dev);
3268
3269         rrq->value = priv->rts_thresh;
3270         rrq->disabled = (rrq->value == 2347);
3271         rrq->fixed = 1;
3272
3273         return 0;
3274 }
3275
3276 static int orinoco_ioctl_setfrag(struct net_device *dev,
3277                                  struct iw_request_info *info,
3278                                  struct iw_param *frq,
3279                                  char *extra)
3280 {
3281         struct orinoco_private *priv = netdev_priv(dev);
3282         int err = -EINPROGRESS;         /* Call commit handler */
3283         unsigned long flags;
3284
3285         if (orinoco_lock(priv, &flags) != 0)
3286                 return -EBUSY;
3287
3288         if (priv->has_mwo) {
3289                 if (frq->disabled)
3290                         priv->mwo_robust = 0;
3291                 else {
3292                         if (frq->fixed)
3293                                 printk(KERN_WARNING "%s: Fixed fragmentation is "
3294                                        "not supported on this firmware. "
3295                                        "Using MWO robust instead.\n", dev->name);
3296                         priv->mwo_robust = 1;
3297                 }
3298         } else {
3299                 if (frq->disabled)
3300                         priv->frag_thresh = 2346;
3301                 else {
3302                         if ( (frq->value < 256) || (frq->value > 2346) )
3303                                 err = -EINVAL;
3304                         else
3305                                 priv->frag_thresh = frq->value & ~0x1; /* must be even */
3306                 }
3307         }
3308
3309         orinoco_unlock(priv, &flags);
3310
3311         return err;
3312 }
3313
3314 static int orinoco_ioctl_getfrag(struct net_device *dev,
3315                                  struct iw_request_info *info,
3316                                  struct iw_param *frq,
3317                                  char *extra)
3318 {
3319         struct orinoco_private *priv = netdev_priv(dev);
3320         hermes_t *hw = &priv->hw;
3321         int err;
3322         u16 val;
3323         unsigned long flags;
3324
3325         if (orinoco_lock(priv, &flags) != 0)
3326                 return -EBUSY;
3327
3328         if (priv->has_mwo) {
3329                 err = hermes_read_wordrec(hw, USER_BAP,
3330                                           HERMES_RID_CNFMWOROBUST_AGERE,
3331                                           &val);
3332                 if (err)
3333                         val = 0;
3334
3335                 frq->value = val ? 2347 : 0;
3336                 frq->disabled = ! val;
3337                 frq->fixed = 0;
3338         } else {
3339                 err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
3340                                           &val);
3341                 if (err)
3342                         val = 0;
3343
3344                 frq->value = val;
3345                 frq->disabled = (val >= 2346);
3346                 frq->fixed = 1;
3347         }
3348
3349         orinoco_unlock(priv, &flags);
3350
3351         return err;
3352 }
3353
3354 static int orinoco_ioctl_setrate(struct net_device *dev,
3355                                  struct iw_request_info *info,
3356                                  struct iw_param *rrq,
3357                                  char *extra)
3358 {
3359         struct orinoco_private *priv = netdev_priv(dev);
3360         int ratemode = -1;
3361         int bitrate; /* 100s of kilobits */
3362         int i;
3363         unsigned long flags;
3364
3365         /* As the user space doesn't know our highest rate, it uses -1
3366          * to ask us to set the highest rate.  Test it using "iwconfig
3367          * ethX rate auto" - Jean II */
3368         if (rrq->value == -1)
3369                 bitrate = 110;
3370         else {
3371                 if (rrq->value % 100000)
3372                         return -EINVAL;
3373                 bitrate = rrq->value / 100000;
3374         }
3375
3376         if ( (bitrate != 10) && (bitrate != 20) &&
3377              (bitrate != 55) && (bitrate != 110) )
3378                 return -EINVAL;
3379
3380         for (i = 0; i < BITRATE_TABLE_SIZE; i++)
3381                 if ( (bitrate_table[i].bitrate == bitrate) &&
3382                      (bitrate_table[i].automatic == ! rrq->fixed) ) {
3383                         ratemode = i;
3384                         break;
3385                 }
3386
3387         if (ratemode == -1)
3388                 return -EINVAL;
3389
3390         if (orinoco_lock(priv, &flags) != 0)
3391                 return -EBUSY;
3392         priv->bitratemode = ratemode;
3393         orinoco_unlock(priv, &flags);
3394
3395         return -EINPROGRESS;
3396 }
3397
3398 static int orinoco_ioctl_getrate(struct net_device *dev,
3399                                  struct iw_request_info *info,
3400                                  struct iw_param *rrq,
3401                                  char *extra)
3402 {
3403         struct orinoco_private *priv = netdev_priv(dev);
3404         hermes_t *hw = &priv->hw;
3405         int err = 0;
3406         int ratemode;
3407         int i;
3408         u16 val;
3409         unsigned long flags;
3410
3411         if (orinoco_lock(priv, &flags) != 0)
3412                 return -EBUSY;
3413
3414         ratemode = priv->bitratemode;
3415
3416         BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE));
3417
3418         rrq->value = bitrate_table[ratemode].bitrate * 100000;
3419         rrq->fixed = ! bitrate_table[ratemode].automatic;
3420         rrq->disabled = 0;
3421
3422         /* If the interface is running we try to find more about the
3423            current mode */
3424         if (netif_running(dev)) {
3425                 err = hermes_read_wordrec(hw, USER_BAP,
3426                                           HERMES_RID_CURRENTTXRATE, &val);
3427                 if (err)
3428                         goto out;
3429
3430                 switch (priv->firmware_type) {
3431                 case FIRMWARE_TYPE_AGERE: /* Lucent style rate */
3432                         /* Note : in Lucent firmware, the return value of
3433                          * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s,
3434                          * and therefore is totally different from the
3435                          * encoding of HERMES_RID_CNFTXRATECONTROL.
3436                          * Don't forget that 6Mb/s is really 5.5Mb/s */
3437                         if (val == 6)
3438                                 rrq->value = 5500000;
3439                         else
3440                                 rrq->value = val * 1000000;
3441                         break;
3442                 case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
3443                 case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
3444                         for (i = 0; i < BITRATE_TABLE_SIZE; i++)
3445                                 if (bitrate_table[i].intersil_txratectrl == val) {
3446                                         ratemode = i;
3447                                         break;
3448                                 }
3449                         if (i >= BITRATE_TABLE_SIZE)
3450                                 printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
3451                                        dev->name, val);
3452
3453                         rrq->value = bitrate_table[ratemode].bitrate * 100000;
3454                         break;
3455                 default:
3456                         BUG();
3457                 }
3458         }
3459
3460  out:
3461         orinoco_unlock(priv, &flags);
3462
3463         return err;
3464 }
3465
3466 static int orinoco_ioctl_setpower(struct net_device *dev,
3467                                   struct iw_request_info *info,
3468                                   struct iw_param *prq,
3469                                   char *extra)
3470 {
3471         struct orinoco_private *priv = netdev_priv(dev);
3472         int err = -EINPROGRESS;         /* Call commit handler */
3473         unsigned long flags;
3474
3475         if (orinoco_lock(priv, &flags) != 0)
3476                 return -EBUSY;
3477
3478         if (prq->disabled) {
3479                 priv->pm_on = 0;
3480         } else {
3481                 switch (prq->flags & IW_POWER_MODE) {
3482                 case IW_POWER_UNICAST_R:
3483                         priv->pm_mcast = 0;
3484                         priv->pm_on = 1;
3485                         break;
3486                 case IW_POWER_ALL_R:
3487                         priv->pm_mcast = 1;
3488                         priv->pm_on = 1;
3489                         break;
3490                 case IW_POWER_ON:
3491                         /* No flags : but we may have a value - Jean II */
3492                         break;
3493                 default:
3494                         err = -EINVAL;
3495                         goto out;
3496                 }
3497
3498                 if (prq->flags & IW_POWER_TIMEOUT) {
3499                         priv->pm_on = 1;
3500                         priv->pm_timeout = prq->value / 1000;
3501                 }
3502                 if (prq->flags & IW_POWER_PERIOD) {
3503                         priv->pm_on = 1;
3504                         priv->pm_period = prq->value / 1000;
3505                 }
3506                 /* It's valid to not have a value if we are just toggling
3507                  * the flags... Jean II */
3508                 if(!priv->pm_on) {
3509                         err = -EINVAL;
3510                         goto out;
3511                 }
3512         }
3513
3514  out:
3515         orinoco_unlock(priv, &flags);
3516
3517         return err;
3518 }
3519
3520 static int orinoco_ioctl_getpower(struct net_device *dev,
3521                                   struct iw_request_info *info,
3522                                   struct iw_param *prq,
3523                                   char *extra)
3524 {
3525         struct orinoco_private *priv = netdev_priv(dev);
3526         hermes_t *hw = &priv->hw;
3527         int err = 0;
3528         u16 enable, period, timeout, mcast;
3529         unsigned long flags;
3530
3531         if (orinoco_lock(priv, &flags) != 0)
3532                 return -EBUSY;
3533
3534         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFPMENABLED, &enable);
3535         if (err)
3536                 goto out;
3537
3538         err = hermes_read_wordrec(hw, USER_BAP,
3539                                   HERMES_RID_CNFMAXSLEEPDURATION, &period);
3540         if (err)
3541                 goto out;
3542
3543         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFPMHOLDOVERDURATION, &timeout);
3544         if (err)
3545                 goto out;
3546
3547         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CNFMULTICASTRECEIVE, &mcast);
3548         if (err)
3549                 goto out;
3550
3551         prq->disabled = !enable;
3552         /* Note : by default, display the period */
3553         if ((prq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
3554                 prq->flags = IW_POWER_TIMEOUT;
3555                 prq->value = timeout * 1000;
3556         } else {
3557                 prq->flags = IW_POWER_PERIOD;
3558                 prq->value = period * 1000;
3559         }
3560         if (mcast)
3561                 prq->flags |= IW_POWER_ALL_R;
3562         else
3563                 prq->flags |= IW_POWER_UNICAST_R;
3564
3565  out:
3566         orinoco_unlock(priv, &flags);
3567
3568         return err;
3569 }
3570
3571 static int orinoco_ioctl_getretry(struct net_device *dev,
3572                                   struct iw_request_info *info,
3573                                   struct iw_param *rrq,
3574                                   char *extra)
3575 {
3576         struct orinoco_private *priv = netdev_priv(dev);
3577         hermes_t *hw = &priv->hw;
3578         int err = 0;
3579         u16 short_limit, long_limit, lifetime;
3580         unsigned long flags;
3581
3582         if (orinoco_lock(priv, &flags) != 0)
3583                 return -EBUSY;
3584
3585         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT,
3586                                   &short_limit);
3587         if (err)
3588                 goto out;
3589
3590         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT,
3591                                   &long_limit);
3592         if (err)
3593                 goto out;
3594
3595         err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME,
3596                                   &lifetime);
3597         if (err)
3598                 goto out;
3599
3600         rrq->disabled = 0;              /* Can't be disabled */
3601
3602         /* Note : by default, display the retry number */
3603         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
3604                 rrq->flags = IW_RETRY_LIFETIME;
3605                 rrq->value = lifetime * 1000;   /* ??? */
3606         } else {
3607                 /* By default, display the min number */
3608                 if ((rrq->flags & IW_RETRY_MAX)) {
3609                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
3610                         rrq->value = long_limit;
3611                 } else {
3612                         rrq->flags = IW_RETRY_LIMIT;
3613                         rrq->value = short_limit;
3614                         if(short_limit != long_limit)
3615                                 rrq->flags |= IW_RETRY_MIN;
3616                 }
3617         }
3618
3619  out:
3620         orinoco_unlock(priv, &flags);
3621
3622         return err;
3623 }
3624
3625 static int orinoco_ioctl_reset(struct net_device *dev,
3626                                struct iw_request_info *info,
3627                                void *wrqu,
3628                                char *extra)
3629 {
3630         struct orinoco_private *priv = netdev_priv(dev);
3631
3632         if (! capable(CAP_NET_ADMIN))
3633                 return -EPERM;
3634
3635         if (info->cmd == (SIOCIWFIRSTPRIV + 0x1)) {
3636                 printk(KERN_DEBUG "%s: Forcing reset!\n", dev->name);
3637
3638                 /* Firmware reset */
3639                 orinoco_reset(dev);
3640         } else {
3641                 printk(KERN_DEBUG "%s: Force scheduling reset!\n", dev->name);
3642
3643                 schedule_work(&priv->reset_work);
3644         }
3645
3646         return 0;
3647 }
3648
3649 static int orinoco_ioctl_setibssport(struct net_device *dev,
3650                                      struct iw_request_info *info,
3651                                      void *wrqu,
3652                                      char *extra)
3653
3654 {
3655         struct orinoco_private *priv = netdev_priv(dev);
3656         int val = *( (int *) extra );
3657         unsigned long flags;
3658
3659         if (orinoco_lock(priv, &flags) != 0)
3660                 return -EBUSY;
3661
3662         priv->ibss_port = val ;
3663
3664         /* Actually update the mode we are using */
3665         set_port_type(priv);
3666
3667         orinoco_unlock(priv, &flags);
3668         return -EINPROGRESS;            /* Call commit handler */
3669 }
3670
3671 static int orinoco_ioctl_getibssport(struct net_device *dev,
3672                                      struct iw_request_info *info,
3673                                      void *wrqu,
3674                                      char *extra)
3675 {
3676         struct orinoco_private *priv = netdev_priv(dev);
3677         int *val = (int *) extra;
3678
3679         *val = priv->ibss_port;
3680         return 0;
3681 }
3682
3683 static int orinoco_ioctl_setport3(struct net_device *dev,
3684                                   struct iw_request_info *info,
3685                                   void *wrqu,
3686                                   char *extra)
3687 {
3688         struct orinoco_private *priv = netdev_priv(dev);
3689         int val = *( (int *) extra );
3690         int err = 0;
3691         unsigned long flags;
3692
3693         if (orinoco_lock(priv, &flags) != 0)
3694                 return -EBUSY;
3695
3696         switch (val) {
3697         case 0: /* Try to do IEEE ad-hoc mode */
3698                 if (! priv->has_ibss) {
3699                         err = -EINVAL;
3700                         break;
3701                 }
3702                 priv->prefer_port3 = 0;
3703
3704                 break;
3705
3706         case 1: /* Try to do Lucent proprietary ad-hoc mode */
3707                 if (! priv->has_port3) {
3708                         err = -EINVAL;
3709                         break;
3710                 }
3711                 priv->prefer_port3 = 1;
3712                 break;
3713
3714         default:
3715                 err = -EINVAL;
3716         }
3717
3718         if (! err) {
3719                 /* Actually update the mode we are using */
3720                 set_port_type(priv);
3721                 err = -EINPROGRESS;
3722         }
3723
3724         orinoco_unlock(priv, &flags);
3725
3726         return err;
3727 }
3728
3729 static int orinoco_ioctl_getport3(struct net_device *dev,
3730                                   struct iw_request_info *info,
3731                                   void *wrqu,
3732                                   char *extra)
3733 {
3734         struct orinoco_private *priv = netdev_priv(dev);
3735         int *val = (int *) extra;
3736
3737         *val = priv->prefer_port3;
3738         return 0;
3739 }
3740
3741 static int orinoco_ioctl_setpreamble(struct net_device *dev,
3742                                      struct iw_request_info *info,
3743                                      void *wrqu,
3744                                      char *extra)
3745 {
3746         struct orinoco_private *priv = netdev_priv(dev);
3747         unsigned long flags;
3748         int val;
3749
3750         if (! priv->has_preamble)
3751                 return -EOPNOTSUPP;
3752
3753         /* 802.11b has recently defined some short preamble.
3754          * Basically, the Phy header has been reduced in size.
3755          * This increase performance, especially at high rates
3756          * (the preamble is transmitted at 1Mb/s), unfortunately
3757          * this give compatibility troubles... - Jean II */
3758         val = *( (int *) extra );
3759
3760         if (orinoco_lock(priv, &flags) != 0)
3761                 return -EBUSY;
3762
3763         if (val)
3764                 priv->preamble = 1;
3765         else
3766                 priv->preamble = 0;
3767
3768         orinoco_unlock(priv, &flags);
3769
3770         return -EINPROGRESS;            /* Call commit handler */
3771 }
3772
3773 static int orinoco_ioctl_getpreamble(struct net_device *dev,
3774                                      struct iw_request_info *info,
3775                                      void *wrqu,
3776                                      char *extra)
3777 {
3778         struct orinoco_private *priv = netdev_priv(dev);
3779         int *val = (int *) extra;
3780
3781         if (! priv->has_preamble)
3782                 return -EOPNOTSUPP;
3783
3784         *val = priv->preamble;
3785         return 0;
3786 }
3787
3788 /* ioctl interface to hermes_read_ltv()
3789  * To use with iwpriv, pass the RID as the token argument, e.g.
3790  * iwpriv get_rid [0xfc00]
3791  * At least Wireless Tools 25 is required to use iwpriv.
3792  * For Wireless Tools 25 and 26 append "dummy" are the end. */
3793 static int orinoco_ioctl_getrid(struct net_device *dev,
3794                                 struct iw_request_info *info,
3795                                 struct iw_point *data,
3796                                 char *extra)
3797 {
3798         struct orinoco_private *priv = netdev_priv(dev);
3799         hermes_t *hw = &priv->hw;
3800         int rid = data->flags;
3801         u16 length;
3802         int err;
3803         unsigned long flags;
3804
3805         /* It's a "get" function, but we don't want users to access the
3806          * WEP key and other raw firmware data */
3807         if (! capable(CAP_NET_ADMIN))
3808                 return -EPERM;
3809
3810         if (rid < 0xfc00 || rid > 0xffff)
3811                 return -EINVAL;
3812
3813         if (orinoco_lock(priv, &flags) != 0)
3814                 return -EBUSY;
3815
3816         err = hermes_read_ltv(hw, USER_BAP, rid, MAX_RID_LEN, &length,
3817                               extra);
3818         if (err)
3819                 goto out;
3820
3821         data->length = min_t(u16, HERMES_RECLEN_TO_BYTES(length),
3822                              MAX_RID_LEN);
3823
3824  out:
3825         orinoco_unlock(priv, &flags);
3826         return err;
3827 }
3828
3829 /* Trigger a scan (look for other cells in the vicinity */
3830 static int orinoco_ioctl_setscan(struct net_device *dev,
3831                                  struct iw_request_info *info,
3832                                  struct iw_param *srq,
3833                                  char *extra)
3834 {
3835         struct orinoco_private *priv = netdev_priv(dev);
3836         hermes_t *hw = &priv->hw;
3837         int err = 0;
3838         unsigned long flags;
3839
3840         /* Note : you may have realised that, as this is a SET operation,
3841          * this is privileged and therefore a normal user can't
3842          * perform scanning.
3843          * This is not an error, while the device perform scanning,
3844          * traffic doesn't flow, so it's a perfect DoS...
3845          * Jean II */
3846
3847         if (orinoco_lock(priv, &flags) != 0)
3848                 return -EBUSY;
3849
3850         /* Scanning with port 0 disabled would fail */
3851         if (!netif_running(dev)) {
3852                 err = -ENETDOWN;
3853                 goto out;
3854         }
3855
3856         /* In monitor mode, the scan results are always empty.
3857          * Probe responses are passed to the driver as received
3858          * frames and could be processed in software. */
3859         if (priv->iw_mode == IW_MODE_MONITOR) {
3860                 err = -EOPNOTSUPP;
3861                 goto out;
3862         }
3863
3864         /* Note : because we don't lock out the irq handler, the way
3865          * we access scan variables in priv is critical.
3866          *      o scan_inprogress : not touched by irq handler
3867          *      o scan_mode : not touched by irq handler
3868          *      o scan_result : irq is strict producer, non-irq is strict
3869          *              consumer.
3870          *      o scan_len : synchronised with scan_result
3871          * Before modifying anything on those variables, please think hard !
3872          * Jean II */
3873
3874         /* If there is still some left-over scan results, get rid of it */
3875         if (priv->scan_result != NULL) {
3876                 /* What's likely is that a client did crash or was killed
3877                  * between triggering the scan request and reading the
3878                  * results, so we need to reset everything.
3879                  * Some clients that are too slow may suffer from that...
3880                  * Jean II */
3881                 kfree(priv->scan_result);
3882                 priv->scan_result = NULL;
3883         }
3884
3885         /* Save flags */
3886         priv->scan_mode = srq->flags;
3887
3888         /* Always trigger scanning, even if it's in progress.
3889          * This way, if the info frame get lost, we will recover somewhat
3890          * gracefully  - Jean II */
3891
3892         if (priv->has_hostscan) {
3893                 switch (priv->firmware_type) {
3894                 case FIRMWARE_TYPE_SYMBOL:
3895                         err = hermes_write_wordrec(hw, USER_BAP,
3896                                                    HERMES_RID_CNFHOSTSCAN_SYMBOL,
3897                                                    HERMES_HOSTSCAN_SYMBOL_ONCE |
3898                                                    HERMES_HOSTSCAN_SYMBOL_BCAST);
3899                         break;
3900                 case FIRMWARE_TYPE_INTERSIL: {
3901                         __le16 req[3];
3902
3903                         req[0] = cpu_to_le16(0x3fff);   /* All channels */
3904                         req[1] = cpu_to_le16(0x0001);   /* rate 1 Mbps */
3905                         req[2] = 0;                     /* Any ESSID */
3906                         err = HERMES_WRITE_RECORD(hw, USER_BAP,
3907                                                   HERMES_RID_CNFHOSTSCAN, &req);
3908                 }
3909                 break;
3910                 case FIRMWARE_TYPE_AGERE:
3911                         err = hermes_write_wordrec(hw, USER_BAP,
3912                                                    HERMES_RID_CNFSCANSSID_AGERE,
3913                                                    0);  /* Any ESSID */
3914                         if (err)
3915                                 break;
3916
3917                         err = hermes_inquire(hw, HERMES_INQ_SCAN);
3918                         break;
3919                 }
3920         } else
3921                 err = hermes_inquire(hw, HERMES_INQ_SCAN);
3922
3923         /* One more client */
3924         if (! err)
3925                 priv->scan_inprogress = 1;
3926
3927  out:
3928         orinoco_unlock(priv, &flags);
3929         return err;
3930 }
3931
3932 /* Translate scan data returned from the card to a card independant
3933  * format that the Wireless Tools will understand - Jean II
3934  * Return message length or -errno for fatal errors */
3935 static inline int orinoco_translate_scan(struct net_device *dev,
3936                                          char *buffer,
3937                                          char *scan,
3938                                          int scan_len)
3939 {
3940         struct orinoco_private *priv = netdev_priv(dev);
3941         int                     offset;         /* In the scan data */
3942         union hermes_scan_info *atom;
3943         int                     atom_len;
3944         u16                     capabilities;
3945         u16                     channel;
3946         struct iw_event         iwe;            /* Temporary buffer */
3947         char *                  current_ev = buffer;
3948         char *                  end_buf = buffer + IW_SCAN_MAX_DATA;
3949
3950         switch (priv->firmware_type) {
3951         case FIRMWARE_TYPE_AGERE:
3952                 atom_len = sizeof(struct agere_scan_apinfo);
3953                 offset = 0;
3954                 break;
3955         case FIRMWARE_TYPE_SYMBOL:
3956                 /* Lack of documentation necessitates this hack.
3957                  * Different firmwares have 68 or 76 byte long atoms.
3958                  * We try modulo first.  If the length divides by both,
3959                  * we check what would be the channel in the second
3960                  * frame for a 68-byte atom.  76-byte atoms have 0 there.
3961                  * Valid channel cannot be 0.  */
3962                 if (scan_len % 76)
3963                         atom_len = 68;
3964                 else if (scan_len % 68)
3965                         atom_len = 76;
3966                 else if (scan_len >= 1292 && scan[68] == 0)
3967                         atom_len = 76;
3968                 else
3969                         atom_len = 68;
3970                 offset = 0;
3971                 break;
3972         case FIRMWARE_TYPE_INTERSIL:
3973                 offset = 4;
3974                 if (priv->has_hostscan) {
3975                         atom_len = le16_to_cpup((__le16 *)scan);
3976                         /* Sanity check for atom_len */
3977                         if (atom_len < sizeof(struct prism2_scan_apinfo)) {
3978                                 printk(KERN_ERR "%s: Invalid atom_len in scan data: %d\n",
3979                                 dev->name, atom_len);
3980                                 return -EIO;
3981                         }
3982                 } else
3983                         atom_len = offsetof(struct prism2_scan_apinfo, atim);
3984                 break;
3985         default:
3986                 return -EOPNOTSUPP;
3987         }
3988
3989         /* Check that we got an whole number of atoms */
3990         if ((scan_len - offset) % atom_len) {
3991                 printk(KERN_ERR "%s: Unexpected scan data length %d, "
3992                        "atom_len %d, offset %d\n", dev->name, scan_len,
3993                        atom_len, offset);
3994                 return -EIO;
3995         }
3996
3997         /* Read the entries one by one */
3998         for (; offset + atom_len <= scan_len; offset += atom_len) {
3999                 /* Get next atom */
4000                 atom = (union hermes_scan_info *) (scan + offset);
4001
4002                 /* First entry *MUST* be the AP MAC address */
4003                 iwe.cmd = SIOCGIWAP;
4004                 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
4005                 memcpy(iwe.u.ap_addr.sa_data, atom->a.bssid, ETH_ALEN);
4006                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
4007
4008                 /* Other entries will be displayed in the order we give them */
4009
4010                 /* Add the ESSID */
4011                 iwe.u.data.length = le16_to_cpu(atom->a.essid_len);
4012                 if (iwe.u.data.length > 32)
4013                         iwe.u.data.length = 32;
4014                 iwe.cmd = SIOCGIWESSID;
4015                 iwe.u.data.flags = 1;
4016                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, atom->a.essid);
4017
4018                 /* Add mode */
4019                 iwe.cmd = SIOCGIWMODE;
4020                 capabilities = le16_to_cpu(atom->a.capabilities);
4021                 if (capabilities & 0x3) {
4022                         if (capabilities & 0x1)
4023                                 iwe.u.mode = IW_MODE_MASTER;
4024                         else
4025                                 iwe.u.mode = IW_MODE_ADHOC;
4026                         current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
4027                 }
4028
4029                 channel = atom->s.channel;
4030                 if ( (channel >= 1) && (channel <= NUM_CHANNELS) ) {
4031                         /* Add frequency */
4032                         iwe.cmd = SIOCGIWFREQ;
4033                         iwe.u.freq.m = channel_frequency[channel-1] * 100000;
4034                         iwe.u.freq.e = 1;
4035                         current_ev = iwe_stream_add_event(current_ev, end_buf,
4036                                                           &iwe, IW_EV_FREQ_LEN);
4037                 }
4038
4039                 /* Add quality statistics */
4040                 iwe.cmd = IWEVQUAL;
4041                 iwe.u.qual.updated = 0x10;      /* no link quality */
4042                 iwe.u.qual.level = (__u8) le16_to_cpu(atom->a.level) - 0x95;
4043                 iwe.u.qual.noise = (__u8) le16_to_cpu(atom->a.noise) - 0x95;
4044                 /* Wireless tools prior to 27.pre22 will show link quality
4045                  * anyway, so we provide a reasonable value. */
4046                 if (iwe.u.qual.level > iwe.u.qual.noise)
4047                         iwe.u.qual.qual = iwe.u.qual.level - iwe.u.qual.noise;
4048                 else
4049                         iwe.u.qual.qual = 0;
4050                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
4051
4052                 /* Add encryption capability */
4053                 iwe.cmd = SIOCGIWENCODE;
4054                 if (capabilities & 0x10)
4055                         iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
4056                 else
4057                         iwe.u.data.flags = IW_ENCODE_DISABLED;
4058                 iwe.u.data.length = 0;
4059                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, atom->a.essid);
4060
4061                 /* Bit rate is not available in Lucent/Agere firmwares */
4062                 if (priv->firmware_type != FIRMWARE_TYPE_AGERE) {
4063                         char *  current_val = current_ev + IW_EV_LCP_LEN;
4064                         int     i;
4065                         int     step;
4066
4067                         if (priv->firmware_type == FIRMWARE_TYPE_SYMBOL)
4068                                 step = 2;
4069                         else
4070                                 step = 1;
4071
4072                         iwe.cmd = SIOCGIWRATE;
4073                         /* Those two flags are ignored... */
4074                         iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
4075                         /* Max 10 values */
4076                         for (i = 0; i < 10; i += step) {
4077                                 /* NULL terminated */
4078                                 if (atom->p.rates[i] == 0x0)
4079                                         break;
4080                                 /* Bit rate given in 500 kb/s units (+ 0x80) */
4081                                 iwe.u.bitrate.value = ((atom->p.rates[i] & 0x7f) * 500000);
4082                                 current_val = iwe_stream_add_value(current_ev, current_val,
4083                                                                    end_buf, &iwe,
4084                                                                    IW_EV_PARAM_LEN);
4085                         }
4086                         /* Check if we added any event */
4087                         if ((current_val - current_ev) > IW_EV_LCP_LEN)
4088                                 current_ev = current_val;
4089                 }
4090
4091                 /* The other data in the scan result are not really
4092                  * interesting, so for now drop it - Jean II */
4093         }
4094         return current_ev - buffer;
4095 }
4096
4097 /* Return results of a scan */
4098 static int orinoco_ioctl_getscan(struct net_device *dev,
4099                                  struct iw_request_info *info,
4100                                  struct iw_point *srq,
4101                                  char *extra)
4102 {
4103         struct orinoco_private *priv = netdev_priv(dev);
4104         int err = 0;
4105         unsigned long flags;
4106
4107         if (orinoco_lock(priv, &flags) != 0)
4108                 return -EBUSY;
4109
4110         /* If no results yet, ask to try again later */
4111         if (priv->scan_result == NULL) {
4112                 if (priv->scan_inprogress)
4113                         /* Important note : we don't want to block the caller
4114                          * until results are ready for various reasons.
4115                          * First, managing wait queues is complex and racy.
4116                          * Second, we grab some rtnetlink lock before comming
4117                          * here (in dev_ioctl()).
4118                          * Third, we generate an Wireless Event, so the
4119                          * caller can wait itself on that - Jean II */
4120                         err = -EAGAIN;
4121                 else
4122                         /* Client error, no scan results...
4123                          * The caller need to restart the scan. */
4124                         err = -ENODATA;
4125         } else {
4126                 /* We have some results to push back to user space */
4127
4128                 /* Translate to WE format */
4129                 int ret = orinoco_translate_scan(dev, extra,
4130                                                  priv->scan_result,
4131                                                  priv->scan_len);
4132
4133                 if (ret < 0) {
4134                         err = ret;
4135                         kfree(priv->scan_result);
4136                         priv->scan_result = NULL;
4137                 } else {
4138                         srq->length = ret;
4139
4140                         /* Return flags */
4141                         srq->flags = (__u16) priv->scan_mode;
4142
4143                         /* In any case, Scan results will be cleaned up in the
4144                          * reset function and when exiting the driver.
4145                          * The person triggering the scanning may never come to
4146                          * pick the results, so we need to do it in those places.
4147                          * Jean II */
4148
4149 #ifdef SCAN_SINGLE_READ
4150                         /* If you enable this option, only one client (the first
4151                          * one) will be able to read the result (and only one
4152                          * time). If there is multiple concurent clients that
4153                          * want to read scan results, this behavior is not
4154                          * advisable - Jean II */
4155                         kfree(priv->scan_result);
4156                         priv->scan_result = NULL;
4157 #endif /* SCAN_SINGLE_READ */
4158                         /* Here, if too much time has elapsed since last scan,
4159                          * we may want to clean up scan results... - Jean II */
4160                 }
4161
4162                 /* Scan is no longer in progress */
4163                 priv->scan_inprogress = 0;
4164         }
4165
4166         orinoco_unlock(priv, &flags);
4167         return err;
4168 }
4169
4170 /* Commit handler, called after set operations */
4171 static int orinoco_ioctl_commit(struct net_device *dev,
4172                                 struct iw_request_info *info,
4173                                 void *wrqu,
4174                                 char *extra)
4175 {
4176         struct orinoco_private *priv = netdev_priv(dev);
4177         struct hermes *hw = &priv->hw;
4178         unsigned long flags;
4179         int err = 0;
4180
4181         if (!priv->open)
4182                 return 0;
4183
4184         if (priv->broken_disableport) {
4185                 orinoco_reset(dev);
4186                 return 0;
4187         }
4188
4189         if (orinoco_lock(priv, &flags) != 0)
4190                 return err;
4191
4192         err = hermes_disable_port(hw, 0);
4193         if (err) {
4194                 printk(KERN_WARNING "%s: Unable to disable port "
4195                        "while reconfiguring card\n", dev->name);
4196                 priv->broken_disableport = 1;
4197                 goto out;
4198         }
4199
4200         err = __orinoco_program_rids(dev);
4201         if (err) {
4202                 printk(KERN_WARNING "%s: Unable to reconfigure card\n",
4203                        dev->name);
4204                 goto out;
4205         }
4206
4207         err = hermes_enable_port(hw, 0);
4208         if (err) {
4209                 printk(KERN_WARNING "%s: Unable to enable port while reconfiguring card\n",
4210                        dev->name);
4211                 goto out;
4212         }
4213
4214  out:
4215         if (err) {
4216                 printk(KERN_WARNING "%s: Resetting instead...\n", dev->name);
4217                 schedule_work(&priv->reset_work);
4218                 err = 0;
4219         }
4220
4221         orinoco_unlock(priv, &flags);
4222         return err;
4223 }
4224
4225 static const struct iw_priv_args orinoco_privtab[] = {
4226         { SIOCIWFIRSTPRIV + 0x0, 0, 0, "force_reset" },
4227         { SIOCIWFIRSTPRIV + 0x1, 0, 0, "card_reset" },
4228         { SIOCIWFIRSTPRIV + 0x2, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
4229           0, "set_port3" },
4230         { SIOCIWFIRSTPRIV + 0x3, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
4231           "get_port3" },
4232         { SIOCIWFIRSTPRIV + 0x4, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
4233           0, "set_preamble" },
4234         { SIOCIWFIRSTPRIV + 0x5, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
4235           "get_preamble" },
4236         { SIOCIWFIRSTPRIV + 0x6, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
4237           0, "set_ibssport" },
4238         { SIOCIWFIRSTPRIV + 0x7, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
4239           "get_ibssport" },
4240         { SIOCIWFIRSTPRIV + 0x9, 0, IW_PRIV_TYPE_BYTE | MAX_RID_LEN,
4241           "get_rid" },
4242 };
4243
4244
4245 /*
4246  * Structures to export the Wireless Handlers
4247  */
4248
4249 static const iw_handler orinoco_handler[] = {
4250         [SIOCSIWCOMMIT-SIOCIWFIRST] = (iw_handler) orinoco_ioctl_commit,
4251         [SIOCGIWNAME  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getname,
4252         [SIOCSIWFREQ  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setfreq,
4253         [SIOCGIWFREQ  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getfreq,
4254         [SIOCSIWMODE  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setmode,
4255         [SIOCGIWMODE  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getmode,
4256         [SIOCSIWSENS  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setsens,
4257         [SIOCGIWSENS  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getsens,
4258         [SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getiwrange,
4259         [SIOCSIWSPY   -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
4260         [SIOCGIWSPY   -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
4261         [SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
4262         [SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
4263         [SIOCSIWAP    -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setwap,
4264         [SIOCGIWAP    -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getwap,
4265         [SIOCSIWSCAN  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setscan,
4266         [SIOCGIWSCAN  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getscan,
4267         [SIOCSIWESSID -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setessid,
4268         [SIOCGIWESSID -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getessid,
4269         [SIOCSIWNICKN -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setnick,
4270         [SIOCGIWNICKN -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getnick,
4271         [SIOCSIWRATE  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setrate,
4272         [SIOCGIWRATE  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getrate,
4273         [SIOCSIWRTS   -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setrts,
4274         [SIOCGIWRTS   -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getrts,
4275         [SIOCSIWFRAG  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setfrag,
4276         [SIOCGIWFRAG  -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getfrag,
4277         [SIOCGIWRETRY -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getretry,
4278         [SIOCSIWENCODE-SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setiwencode,
4279         [SIOCGIWENCODE-SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getiwencode,
4280         [SIOCSIWPOWER -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setpower,
4281         [SIOCGIWPOWER -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getpower,
4282 };
4283
4284
4285 /*
4286   Added typecasting since we no longer use iwreq_data -- Moustafa
4287  */
4288 static const iw_handler orinoco_private_handler[] = {
4289         [0] = (iw_handler) orinoco_ioctl_reset,
4290         [1] = (iw_handler) orinoco_ioctl_reset,
4291         [2] = (iw_handler) orinoco_ioctl_setport3,
4292         [3] = (iw_handler) orinoco_ioctl_getport3,
4293         [4] = (iw_handler) orinoco_ioctl_setpreamble,
4294         [5] = (iw_handler) orinoco_ioctl_getpreamble,
4295         [6] = (iw_handler) orinoco_ioctl_setibssport,
4296         [7] = (iw_handler) orinoco_ioctl_getibssport,
4297         [9] = (iw_handler) orinoco_ioctl_getrid,
4298 };
4299
4300 static const struct iw_handler_def orinoco_handler_def = {
4301         .num_standard = ARRAY_SIZE(orinoco_handler),
4302         .num_private = ARRAY_SIZE(orinoco_private_handler),
4303         .num_private_args = ARRAY_SIZE(orinoco_privtab),
4304         .standard = orinoco_handler,
4305         .private = orinoco_private_handler,
4306         .private_args = orinoco_privtab,
4307         .get_wireless_stats = orinoco_get_wireless_stats,
4308 };
4309
4310 static void orinoco_get_drvinfo(struct net_device *dev,
4311                                 struct ethtool_drvinfo *info)
4312 {
4313         struct orinoco_private *priv = netdev_priv(dev);
4314
4315         strncpy(info->driver, DRIVER_NAME, sizeof(info->driver) - 1);
4316         strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1);
4317         strncpy(info->fw_version, priv->fw_name, sizeof(info->fw_version) - 1);
4318         if (dev->class_dev.dev)
4319                 strncpy(info->bus_info, dev->class_dev.dev->bus_id,
4320                         sizeof(info->bus_info) - 1);
4321         else
4322                 snprintf(info->bus_info, sizeof(info->bus_info) - 1,
4323                          "PCMCIA %p", priv->hw.iobase);
4324 }
4325
4326 static struct ethtool_ops orinoco_ethtool_ops = {
4327         .get_drvinfo = orinoco_get_drvinfo,
4328         .get_link = ethtool_op_get_link,
4329 };
4330
4331 /********************************************************************/
4332 /* Module initialization                                            */
4333 /********************************************************************/
4334
4335 EXPORT_SYMBOL(alloc_orinocodev);
4336 EXPORT_SYMBOL(free_orinocodev);
4337
4338 EXPORT_SYMBOL(__orinoco_up);
4339 EXPORT_SYMBOL(__orinoco_down);
4340 EXPORT_SYMBOL(orinoco_reinit_firmware);
4341
4342 EXPORT_SYMBOL(orinoco_interrupt);
4343
4344 /* Can't be declared "const" or the whole __initdata section will
4345  * become const */
4346 static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION
4347         " (David Gibson <hermes@gibson.dropbear.id.au>, "
4348         "Pavel Roskin <proski@gnu.org>, et al)";
4349
4350 static int __init init_orinoco(void)
4351 {
4352         printk(KERN_DEBUG "%s\n", version);
4353         return 0;
4354 }
4355
4356 static void __exit exit_orinoco(void)
4357 {
4358 }
4359
4360 module_init(init_orinoco);
4361 module_exit(exit_orinoco);