sys/dev/netif/wi/if_wi.c

   1 /*      $NetBSD: wi.c,v 1.109 2003/01/09 08:52:19 dyoung Exp $  */
   2
   3 /*
   4  * Copyright (c) 1997, 1998, 1999
   5  *      Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Bill Paul.
  18  * 4. Neither the name of the author nor the names of any co-contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
  26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  32  * THE POSSIBILITY OF SUCH DAMAGE.
  33  *
  34  * $FreeBSD: src/sys/dev/wi/if_wi.c,v 1.166 2004/04/01 00:38:45 sam Exp $
  35  * $DragonFly: src/sys/dev/netif/wi/if_wi.c,v 1.32 2005/11/22 00:24:34 dillon Exp $
  36  */
  37
  38 /*
  39  * Lucent WaveLAN/IEEE 802.11 PCMCIA driver.
  40  *
  41  * Original FreeBSD driver written by Bill Paul <wpaul@ctr.columbia.edu>
  42  * Electrical Engineering Department
  43  * Columbia University, New York City
  44  */
  45
  46 /*
  47  * The WaveLAN/IEEE adapter is the second generation of the WaveLAN
  48  * from Lucent. Unlike the older cards, the new ones are programmed
  49  * entirely via a firmware-driven controller called the Hermes.
  50  * Unfortunately, Lucent will not release the Hermes programming manual
  51  * without an NDA (if at all). What they do release is an API library
  52  * called the HCF (Hardware Control Functions) which is supposed to
  53  * do the device-specific operations of a device driver for you. The
  54  * publically available version of the HCF library (the 'HCF Light') is
  55  * a) extremely gross, b) lacks certain features, particularly support
  56  * for 802.11 frames, and c) is contaminated by the GNU Public License.
  57  *
  58  * This driver does not use the HCF or HCF Light at all. Instead, it
  59  * programs the Hermes controller directly, using information gleaned
  60  * from the HCF Light code and corresponding documentation.
  61  *
  62  * This driver supports the ISA, PCMCIA and PCI versions of the Lucent
  63  * WaveLan cards (based on the Hermes chipset), as well as the newer
  64  * Prism 2 chipsets with firmware from Intersil and Symbol.
  65  */
  66
  67 #define WI_HERMES_AUTOINC_WAR   /* Work around data write autoinc bug. */
  68 #define WI_HERMES_STATS_WAR     /* Work around stats counter bug. */
  69
  70 #include "opt_polling.h"
  71
  72 #include <sys/param.h>
  73 #include <sys/endian.h>
  74 #include <sys/systm.h>
  75 #include <sys/sockio.h>
  76 #include <sys/mbuf.h>
  77 #include <sys/proc.h>
  78 #include <sys/kernel.h>
  79 #include <sys/socket.h>
  80 #include <sys/module.h>
  81 #include <sys/bus.h>
  82 #include <sys/random.h>
  83 #include <sys/syslog.h>
  84 #include <sys/sysctl.h>
  85 #include <sys/thread2.h>
  86
  87 #include <machine/bus.h>
  88 #include <machine/resource.h>
  89 #include <machine/atomic.h>
  90 #include <sys/rman.h>
  91
  92 #include <net/if.h>
  93 #include <net/if_arp.h>
  94 #include <net/ethernet.h>
  95 #include <net/if_dl.h>
  96 #include <net/if_media.h>
  97 #include <net/if_types.h>
  98 #include <net/ifq_var.h>
  99
 100 #include <netproto/802_11/ieee80211_var.h>
 101 #include <netproto/802_11/ieee80211_ioctl.h>
 102 #include <netproto/802_11/ieee80211_radiotap.h>
 103 #include <netproto/802_11/if_wavelan_ieee.h>
 104
 105 #include <netinet/in.h>
 106 #include <netinet/in_systm.h>
 107 #include <netinet/in_var.h>
 108 #include <netinet/ip.h>
 109 #include <netinet/if_ether.h>
 110
 111 #include <net/bpf.h>
 112
 113 #include <dev/netif/wi/if_wireg.h>
 114 #include <dev/netif/wi/if_wivar.h>
 115
 116 static void wi_start(struct ifnet *);
 117 static int  wi_reset(struct wi_softc *);
 118 static void wi_watchdog(struct ifnet *);
 119 static int  wi_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
 120 static int  wi_media_change(struct ifnet *);
 121 static void wi_media_status(struct ifnet *, struct ifmediareq *);
 122
 123 static void wi_rx_intr(struct wi_softc *);
 124 static void wi_tx_intr(struct wi_softc *);
 125 static void wi_tx_ex_intr(struct wi_softc *);
 126 static void wi_info_intr(struct wi_softc *);
 127
 128 static int  wi_get_cfg(struct ifnet *, u_long, caddr_t, struct ucred *);
 129 static int  wi_set_cfg(struct ifnet *, u_long, caddr_t);
 130 static int  wi_write_txrate(struct wi_softc *);
 131 static int  wi_write_wep(struct wi_softc *);
 132 static int  wi_write_multi(struct wi_softc *);
 133 static int  wi_alloc_fid(struct wi_softc *, int, int *);
 134 static void wi_read_nicid(struct wi_softc *);
 135 static int  wi_write_ssid(struct wi_softc *, int, u_int8_t *, int);
 136
 137 static int  wi_cmd(struct wi_softc *, int, int, int, int);
 138 static int  wi_seek_bap(struct wi_softc *, int, int);
 139 static int  wi_read_bap(struct wi_softc *, int, int, void *, int);
 140 static int  wi_write_bap(struct wi_softc *, int, int, void *, int);
 141 static int  wi_mwrite_bap(struct wi_softc *, int, int, struct mbuf *, int);
 142 static int  wi_read_rid(struct wi_softc *, int, void *, int *);
 143 static int  wi_write_rid(struct wi_softc *, int, void *, int);
 144
 145 static int  wi_newstate(struct ieee80211com *, enum ieee80211_state, int);
 146
 147 static int  wi_scan_ap(struct wi_softc *, u_int16_t, u_int16_t);
 148 static void wi_scan_result(struct wi_softc *, int, int);
 149
 150 static void wi_dump_pkt(struct wi_frame *, struct ieee80211_node *, int rssi);
 151
 152 static int wi_get_debug(struct wi_softc *, struct wi_req *);
 153 static int wi_set_debug(struct wi_softc *, struct wi_req *);
 154
 155 /* support to download firmware for symbol CF card */
 156 static int wi_symbol_write_firm(struct wi_softc *, const void *, int,
 157                 const void *, int);
 158 static int wi_symbol_set_hcr(struct wi_softc *, int);
 159 #ifdef DEVICE_POLLING
 160 static void wi_poll(struct ifnet *ifp, enum poll_cmd cmd, int count);
 161 #endif
 162
 163 static __inline int
 164 wi_write_val(struct wi_softc *sc, int rid, u_int16_t val)
 165 {
 166
 167         val = htole16(val);
 168         return wi_write_rid(sc, rid, &val, sizeof(val));
 169 }
 170
 171 SYSCTL_NODE(_hw, OID_AUTO, wi, CTLFLAG_RD, 0, "Wireless driver parameters");
 172
 173 static  struct timeval lasttxerror;     /* time of last tx error msg */
 174 static  int curtxeps;                   /* current tx error msgs/sec */
 175 static  int wi_txerate = 0;             /* tx error rate: max msgs/sec */
 176 SYSCTL_INT(_hw_wi, OID_AUTO, txerate, CTLFLAG_RW, &wi_txerate,
 177             0, "max tx error msgs/sec; 0 to disable msgs");
 178
 179 #define WI_DEBUG
 180 #ifdef WI_DEBUG
 181 static  int wi_debug = 0;
 182 SYSCTL_INT(_hw_wi, OID_AUTO, debug, CTLFLAG_RW, &wi_debug,
 183             0, "control debugging printfs");
 184
 185 #define DPRINTF(X)      if (wi_debug) if_printf X
 186 #define DPRINTF2(X)     if (wi_debug > 1) if_printf X
 187 #define IFF_DUMPPKTS(_ifp) \
 188         (((_ifp)->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2))
 189 #else
 190 #define DPRINTF(X)
 191 #define DPRINTF2(X)
 192 #define IFF_DUMPPKTS(_ifp)      0
 193 #endif
 194
 195 #define WI_INTRS        (WI_EV_RX | WI_EV_ALLOC | WI_EV_INFO)
 196
 197 struct wi_card_ident wi_card_ident[] = {
 198         /* CARD_ID                      CARD_NAME               FIRM_TYPE */
 199         { WI_NIC_LUCENT_ID,             WI_NIC_LUCENT_STR,      WI_LUCENT },
 200         { WI_NIC_SONY_ID,               WI_NIC_SONY_STR,        WI_LUCENT },
 201         { WI_NIC_LUCENT_EMB_ID,         WI_NIC_LUCENT_EMB_STR,  WI_LUCENT },
 202         { WI_NIC_EVB2_ID,               WI_NIC_EVB2_STR,        WI_INTERSIL },
 203         { WI_NIC_HWB3763_ID,            WI_NIC_HWB3763_STR,     WI_INTERSIL },
 204         { WI_NIC_HWB3163_ID,            WI_NIC_HWB3163_STR,     WI_INTERSIL },
 205         { WI_NIC_HWB3163B_ID,           WI_NIC_HWB3163B_STR,    WI_INTERSIL },
 206         { WI_NIC_EVB3_ID,               WI_NIC_EVB3_STR,        WI_INTERSIL },
 207         { WI_NIC_HWB1153_ID,            WI_NIC_HWB1153_STR,     WI_INTERSIL },
 208         { WI_NIC_P2_SST_ID,             WI_NIC_P2_SST_STR,      WI_INTERSIL },
 209         { WI_NIC_EVB2_SST_ID,           WI_NIC_EVB2_SST_STR,    WI_INTERSIL },
 210         { WI_NIC_3842_EVA_ID,           WI_NIC_3842_EVA_STR,    WI_INTERSIL },
 211         { WI_NIC_3842_PCMCIA_AMD_ID,    WI_NIC_3842_PCMCIA_STR, WI_INTERSIL },
 212         { WI_NIC_3842_PCMCIA_SST_ID,    WI_NIC_3842_PCMCIA_STR, WI_INTERSIL },
 213         { WI_NIC_3842_PCMCIA_ATL_ID,    WI_NIC_3842_PCMCIA_STR, WI_INTERSIL },
 214         { WI_NIC_3842_PCMCIA_ATS_ID,    WI_NIC_3842_PCMCIA_STR, WI_INTERSIL },
 215         { WI_NIC_3842_MINI_AMD_ID,      WI_NIC_3842_MINI_STR,   WI_INTERSIL },
 216         { WI_NIC_3842_MINI_SST_ID,      WI_NIC_3842_MINI_STR,   WI_INTERSIL },
 217         { WI_NIC_3842_MINI_ATL_ID,      WI_NIC_3842_MINI_STR,   WI_INTERSIL },
 218         { WI_NIC_3842_MINI_ATS_ID,      WI_NIC_3842_MINI_STR,   WI_INTERSIL },
 219         { WI_NIC_3842_PCI_AMD_ID,       WI_NIC_3842_PCI_STR,    WI_INTERSIL },
 220         { WI_NIC_3842_PCI_SST_ID,       WI_NIC_3842_PCI_STR,    WI_INTERSIL },
 221         { WI_NIC_3842_PCI_ATS_ID,       WI_NIC_3842_PCI_STR,    WI_INTERSIL },
 222         { WI_NIC_3842_PCI_ATL_ID,       WI_NIC_3842_PCI_STR,    WI_INTERSIL },
 223         { WI_NIC_P3_PCMCIA_AMD_ID,      WI_NIC_P3_PCMCIA_STR,   WI_INTERSIL },
 224         { WI_NIC_P3_PCMCIA_SST_ID,      WI_NIC_P3_PCMCIA_STR,   WI_INTERSIL },
 225         { WI_NIC_P3_PCMCIA_ATL_ID,      WI_NIC_P3_PCMCIA_STR,   WI_INTERSIL },
 226         { WI_NIC_P3_PCMCIA_ATS_ID,      WI_NIC_P3_PCMCIA_STR,   WI_INTERSIL },
 227         { WI_NIC_P3_MINI_AMD_ID,        WI_NIC_P3_MINI_STR,     WI_INTERSIL },
 228         { WI_NIC_P3_MINI_SST_ID,        WI_NIC_P3_MINI_STR,     WI_INTERSIL },
 229         { WI_NIC_P3_MINI_ATL_ID,        WI_NIC_P3_MINI_STR,     WI_INTERSIL },
 230         { WI_NIC_P3_MINI_ATS_ID,        WI_NIC_P3_MINI_STR,     WI_INTERSIL },
 231         { 0,    NULL,   0 },
 232 };
 233
 234 devclass_t wi_devclass;
 235
 236 int
 237 wi_attach(device_t dev)
 238 {
 239         struct wi_softc *sc = device_get_softc(dev);
 240         struct ieee80211com *ic = &sc->sc_ic;
 241         struct ifnet *ifp = &ic->ic_if;
 242         int i, nrates, buflen;
 243         u_int16_t val;
 244         u_int8_t ratebuf[2 + IEEE80211_RATE_SIZE];
 245         struct ieee80211_rateset *rs;
 246         static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = {
 247                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 248         };
 249         int error;
 250
 251         ifp->if_softc = sc;
 252         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 253
 254         sc->wi_cmd_count = 500;
 255         /* Reset the NIC. */
 256         error = wi_reset(sc);
 257         if (error)
 258                 goto fail;
 259
 260         /*
 261          * Read the station address.
 262          * And do it twice. I've seen PRISM-based cards that return
 263          * an error when trying to read it the first time, which causes
 264          * the probe to fail.
 265          */
 266         buflen = IEEE80211_ADDR_LEN;
 267         error = wi_read_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, &buflen);
 268         if (error != 0) {
 269                 buflen = IEEE80211_ADDR_LEN;
 270                 error = wi_read_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, &buflen);
 271         }
 272         if (error) {
 273                 device_printf(dev, "mac read failed %d\n", error);
 274                 goto fail;
 275         }
 276         if (IEEE80211_ADDR_EQ(ic->ic_myaddr, empty_macaddr)) {
 277                 device_printf(dev, "mac read failed (all zeros)\n");
 278                 error = ENXIO;
 279                 goto fail;
 280         }
 281
 282         /* Read NIC identification */
 283         wi_read_nicid(sc);
 284
 285         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 286         ifp->if_ioctl = wi_ioctl;
 287         ifp->if_start = wi_start;
 288         ifp->if_watchdog = wi_watchdog;
 289         ifp->if_init = wi_init;
 290         ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
 291         ifq_set_ready(&ifp->if_snd);
 292 #ifdef DEVICE_POLLING
 293         ifp->if_poll = wi_poll;
 294 #endif
 295         ifp->if_capenable = ifp->if_capabilities;
 296
 297         ic->ic_phytype = IEEE80211_T_DS;
 298         ic->ic_opmode = IEEE80211_M_STA;
 299         ic->ic_caps = IEEE80211_C_PMGT | IEEE80211_C_AHDEMO;
 300         ic->ic_state = IEEE80211_S_INIT;
 301
 302         /*
 303          * Query the card for available channels and setup the
 304          * channel table.  We assume these are all 11b channels.
 305          */
 306         buflen = sizeof(val);
 307         if (wi_read_rid(sc, WI_RID_CHANNEL_LIST, &val, &buflen) != 0)
 308                 val = htole16(0x1fff);  /* assume 1-11 */
 309         KASSERT(val != 0, ("wi_attach: no available channels listed!"));
 310
 311         val <<= 1;                      /* shift for base 1 indices */
 312         for (i = 1; i < 16; i++) {
 313                 if (isset((u_int8_t*)&val, i)) {
 314                         ic->ic_channels[i].ic_freq =
 315                                 ieee80211_ieee2mhz(i, IEEE80211_CHAN_B);
 316                         ic->ic_channels[i].ic_flags = IEEE80211_CHAN_B;
 317                 }
 318         }
 319
 320         /*
 321          * Read the default channel from the NIC. This may vary
 322          * depending on the country where the NIC was purchased, so
 323          * we can't hard-code a default and expect it to work for
 324          * everyone.
 325          *
 326          * If no channel is specified, let the 802.11 code select.
 327          */
 328         buflen = sizeof(val);
 329         if (wi_read_rid(sc, WI_RID_OWN_CHNL, &val, &buflen) == 0) {
 330                 val = le16toh(val);
 331                 KASSERT(val < IEEE80211_CHAN_MAX &&
 332                         ic->ic_channels[val].ic_flags != 0,
 333                         ("wi_attach: invalid own channel %u!", val));
 334                 ic->ic_ibss_chan = &ic->ic_channels[val];
 335         } else {
 336                 device_printf(dev,
 337                         "WI_RID_OWN_CHNL failed, using first channel!\n");
 338                 ic->ic_ibss_chan = &ic->ic_channels[0];
 339         }
 340
 341         /*
 342          * Set flags based on firmware version.
 343          */
 344         switch (sc->sc_firmware_type) {
 345         case WI_LUCENT:
 346                 sc->sc_ntxbuf = 1;
 347                 sc->sc_flags |= WI_FLAGS_HAS_SYSSCALE;
 348 #ifdef WI_HERMES_AUTOINC_WAR
 349                 /* XXX: not confirmed, but never seen for recent firmware */
 350                 if (sc->sc_sta_firmware_ver <  40000) {
 351                         sc->sc_flags |= WI_FLAGS_BUG_AUTOINC;
 352                 }
 353 #endif
 354                 if (sc->sc_sta_firmware_ver >= 60000)
 355                         sc->sc_flags |= WI_FLAGS_HAS_MOR;
 356                 if (sc->sc_sta_firmware_ver >= 60006) {
 357                         ic->ic_caps |= IEEE80211_C_IBSS;
 358                         ic->ic_caps |= IEEE80211_C_MONITOR;
 359                 }
 360                 sc->sc_ibss_port = htole16(1);
 361
 362                 sc->sc_min_rssi = WI_LUCENT_MIN_RSSI;
 363                 sc->sc_max_rssi = WI_LUCENT_MAX_RSSI;
 364                 sc->sc_dbm_offset = WI_LUCENT_DBM_OFFSET;
 365                 break;
 366
 367         case WI_INTERSIL:
 368                 sc->sc_ntxbuf = WI_NTXBUF;
 369                 sc->sc_flags |= WI_FLAGS_HAS_FRAGTHR;
 370                 sc->sc_flags |= WI_FLAGS_HAS_ROAMING;
 371                 sc->sc_flags |= WI_FLAGS_HAS_SYSSCALE;
 372                 /*
 373                  * Old firmware are slow, so give peace a chance.
 374                  */
 375                 if (sc->sc_sta_firmware_ver < 10000)
 376                         sc->wi_cmd_count = 5000;
 377                 if (sc->sc_sta_firmware_ver > 10101)
 378                         sc->sc_flags |= WI_FLAGS_HAS_DBMADJUST;
 379                 if (sc->sc_sta_firmware_ver >= 800) {
 380                         ic->ic_caps |= IEEE80211_C_IBSS;
 381                         ic->ic_caps |= IEEE80211_C_MONITOR;
 382                 }
 383                 /*
 384                  * version 0.8.3 and newer are the only ones that are known
 385                  * to currently work.  Earlier versions can be made to work,
 386                  * at least according to the Linux driver.
 387                  */
 388                 if (sc->sc_sta_firmware_ver >= 803)
 389                         ic->ic_caps |= IEEE80211_C_HOSTAP;
 390                 sc->sc_ibss_port = htole16(0);
 391
 392                 sc->sc_min_rssi = WI_PRISM_MIN_RSSI;
 393                 sc->sc_max_rssi = WI_PRISM_MAX_RSSI;
 394                 sc->sc_dbm_offset = WI_PRISM_DBM_OFFSET;
 395                 break;
 396
 397         case WI_SYMBOL:
 398                 sc->sc_ntxbuf = 1;
 399                 sc->sc_flags |= WI_FLAGS_HAS_DIVERSITY;
 400                 if (sc->sc_sta_firmware_ver >= 25000)
 401                         ic->ic_caps |= IEEE80211_C_IBSS;
 402                 sc->sc_ibss_port = htole16(4);
 403
 404                 sc->sc_min_rssi = WI_PRISM_MIN_RSSI;
 405                 sc->sc_max_rssi = WI_PRISM_MAX_RSSI;
 406                 sc->sc_dbm_offset = WI_PRISM_DBM_OFFSET;
 407                 break;
 408         }
 409
 410         /*
 411          * Find out if we support WEP on this card.
 412          */
 413         buflen = sizeof(val);
 414         if (wi_read_rid(sc, WI_RID_WEP_AVAIL, &val, &buflen) == 0 &&
 415             val != htole16(0))
 416                 ic->ic_caps |= IEEE80211_C_WEP;
 417
 418         /* Find supported rates. */
 419         buflen = sizeof(ratebuf);
 420         rs = &ic->ic_sup_rates[IEEE80211_MODE_11B];
 421         if (wi_read_rid(sc, WI_RID_DATA_RATES, ratebuf, &buflen) == 0) {
 422                 nrates = le16toh(*(u_int16_t *)ratebuf);
 423                 if (nrates > IEEE80211_RATE_MAXSIZE)
 424                         nrates = IEEE80211_RATE_MAXSIZE;
 425                 rs->rs_nrates = 0;
 426                 for (i = 0; i < nrates; i++)
 427                         if (ratebuf[2+i])
 428                                 rs->rs_rates[rs->rs_nrates++] = ratebuf[2+i];
 429         } else {
 430                 /* XXX fallback on error? */
 431                 rs->rs_nrates = 0;
 432         }
 433
 434         buflen = sizeof(val);
 435         if ((sc->sc_flags & WI_FLAGS_HAS_DBMADJUST) &&
 436             wi_read_rid(sc, WI_RID_DBM_ADJUST, &val, &buflen) == 0) {
 437                 sc->sc_dbm_offset = le16toh(val);
 438         }
 439
 440         sc->sc_max_datalen = 2304;
 441         sc->sc_system_scale = 1;
 442         sc->sc_cnfauthmode = IEEE80211_AUTH_OPEN;
 443         sc->sc_roaming_mode = 1;
 444
 445         sc->sc_portnum = WI_DEFAULT_PORT;
 446         sc->sc_authtype = WI_DEFAULT_AUTHTYPE;
 447
 448         bzero(sc->sc_nodename, sizeof(sc->sc_nodename));
 449         sc->sc_nodelen = sizeof(WI_DEFAULT_NODENAME) - 1;
 450         bcopy(WI_DEFAULT_NODENAME, sc->sc_nodename, sc->sc_nodelen);
 451
 452         bzero(sc->sc_net_name, sizeof(sc->sc_net_name));
 453         bcopy(WI_DEFAULT_NETNAME, sc->sc_net_name,
 454             sizeof(WI_DEFAULT_NETNAME) - 1);
 455
 456         /*
 457          * Call MI attach routine.
 458          */
 459         ieee80211_ifattach(ifp);
 460         /* override state transition method */
 461         sc->sc_newstate = ic->ic_newstate;
 462         ic->ic_newstate = wi_newstate;
 463         ieee80211_media_init(ifp, wi_media_change, wi_media_status);
 464
 465         bpfattach_dlt(ifp, DLT_IEEE802_11_RADIO,
 466                 sizeof(struct ieee80211_frame) + sizeof(sc->sc_tx_th),
 467                 &sc->sc_drvbpf);
 468         /*
 469          * Initialize constant fields.
 470          * XXX make header lengths a multiple of 32-bits so subsequent
 471          *     headers are properly aligned; this is a kludge to keep
 472          *     certain applications happy.
 473          *
 474          * NB: the channel is setup each time we transition to the
 475          *     RUN state to avoid filling it in for each frame.
 476          */
 477         sc->sc_tx_th_len = roundup(sizeof(sc->sc_tx_th), sizeof(u_int32_t));
 478         sc->sc_tx_th.wt_ihdr.it_len = htole16(sc->sc_tx_th_len);
 479         sc->sc_tx_th.wt_ihdr.it_present = htole32(WI_TX_RADIOTAP_PRESENT);
 480
 481         sc->sc_rx_th_len = roundup(sizeof(sc->sc_rx_th), sizeof(u_int32_t));
 482         sc->sc_rx_th.wr_ihdr.it_len = htole16(sc->sc_rx_th_len);
 483         sc->sc_rx_th.wr_ihdr.it_present = htole32(WI_RX_RADIOTAP_PRESENT);
 484
 485
 486         error = bus_setup_intr(dev, sc->irq, INTR_MPSAFE,
 487                                wi_intr, sc, &sc->wi_intrhand, NULL);
 488         if (error) {
 489                 ieee80211_ifdetach(ifp);
 490                 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
 491                 goto fail;
 492         }
 493
 494         return(0);
 495
 496 fail:
 497         wi_free(dev);
 498         return(error);
 499 }
 500
 501 int
 502 wi_detach(device_t dev)
 503 {
 504         struct wi_softc *sc = device_get_softc(dev);
 505         struct ifnet *ifp = &sc->sc_ic.ic_if;
 506         WI_LOCK_DECL();
 507
 508         WI_LOCK(sc);
 509
 510         /* check if device was removed */
 511         sc->wi_gone |= !bus_child_present(dev);
 512
 513         wi_stop(ifp, 0);
 514
 515         ieee80211_ifdetach(ifp);
 516         wi_free(dev);
 517         WI_UNLOCK(sc);
 518         return (0);
 519 }
 520
 521 void
 522 wi_shutdown(device_t dev)
 523 {
 524         struct wi_softc *sc = device_get_softc(dev);
 525
 526         wi_stop(&sc->sc_if, 1);
 527 }
 528
 529 #ifdef DEVICE_POLLING
 530
 531 static void
 532 wi_poll(struct ifnet *ifp, enum poll_cmd cmd, int count)
 533 {
 534         struct wi_softc *sc = ifp->if_softc;
 535         uint16_t status;
 536
 537         switch(cmd) {
 538         case POLL_REGISTER:
 539                 /* disable interruptds */
 540                 CSR_WRITE_2(sc, WI_INT_EN, 0);
 541                 break;
 542         case POLL_DEREGISTER:
 543                 /* enable interrupts */
 544                 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS);
 545                 break;
 546         default:
 547                 status = CSR_READ_2(sc, WI_EVENT_STAT);
 548
 549                 if (status & WI_EV_RX)
 550                         wi_rx_intr(sc);
 551                 if (status & WI_EV_ALLOC)
 552                         wi_tx_intr(sc);
 553                 if (status & WI_EV_INFO)
 554                         wi_info_intr(sc);
 555
 556                 if (cmd == POLL_AND_CHECK_STATUS) {
 557                         if (status & WI_EV_INFO)
 558                                 wi_info_intr(sc);
 559                 }
 560
 561                 if ((ifp->if_flags & IFF_OACTIVE) == 0 &&
 562                     (sc->sc_flags & WI_FLAGS_OUTRANGE) == 0 && !ifq_is_empty(&ifp->if_snd)) {
 563                         wi_start(ifp);
 564                 }
 565                 break;
 566         }
 567 }
 568 #endif /* DEVICE_POLLING */
 569
 570 void
 571 wi_intr(void *arg)
 572 {
 573         struct wi_softc *sc = arg;
 574         struct ifnet *ifp = &sc->sc_ic.ic_if;
 575         u_int16_t status;
 576         WI_LOCK_DECL();
 577
 578         if (sc->wi_gone || !sc->sc_enabled || (ifp->if_flags & IFF_UP) == 0) {
 579                 CSR_WRITE_2(sc, WI_INT_EN, 0);
 580                 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
 581                 return;
 582         }
 583
 584         WI_LOCK(sc);
 585
 586         /* Disable interrupts. */
 587         CSR_WRITE_2(sc, WI_INT_EN, 0);
 588
 589         status = CSR_READ_2(sc, WI_EVENT_STAT);
 590         if (status & WI_EV_RX)
 591                 wi_rx_intr(sc);
 592         if (status & WI_EV_ALLOC)
 593                 wi_tx_intr(sc);
 594         if (status & WI_EV_TX_EXC)
 595                 wi_tx_ex_intr(sc);
 596         if (status & WI_EV_INFO)
 597                 wi_info_intr(sc);
 598         if ((ifp->if_flags & IFF_OACTIVE) == 0 &&
 599             (sc->sc_flags & WI_FLAGS_OUTRANGE) == 0 &&
 600             !ifq_is_empty(&ifp->if_snd))
 601                 wi_start(ifp);
 602
 603         /* Re-enable interrupts. */
 604         CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS);
 605
 606         WI_UNLOCK(sc);
 607
 608         return;
 609 }
 610
 611 void
 612 wi_init(void *arg)
 613 {
 614         struct wi_softc *sc = arg;
 615         struct ifnet *ifp = &sc->sc_if;
 616         struct ieee80211com *ic = &sc->sc_ic;
 617         struct wi_joinreq join;
 618         int i;
 619         int error = 0, wasenabled;
 620         WI_LOCK_DECL();
 621
 622         WI_LOCK(sc);
 623
 624         if (sc->wi_gone) {
 625                 WI_UNLOCK(sc);
 626                 return;
 627         }
 628
 629         if ((wasenabled = sc->sc_enabled))
 630                 wi_stop(ifp, 1);
 631         wi_reset(sc);
 632
 633         /* common 802.11 configuration */
 634         ic->ic_flags &= ~IEEE80211_F_IBSSON;
 635         sc->sc_flags &= ~WI_FLAGS_OUTRANGE;
 636         switch (ic->ic_opmode) {
 637         case IEEE80211_M_STA:
 638                 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_BSS);
 639                 break;
 640         case IEEE80211_M_IBSS:
 641                 wi_write_val(sc, WI_RID_PORTTYPE, sc->sc_ibss_port);
 642                 ic->ic_flags |= IEEE80211_F_IBSSON;
 643                 break;
 644         case IEEE80211_M_AHDEMO:
 645                 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_ADHOC);
 646                 break;
 647         case IEEE80211_M_HOSTAP:
 648                 /*
 649                  * For PRISM cards, override the empty SSID, because in
 650                  * HostAP mode the controller will lock up otherwise.
 651                  */
 652                 if (sc->sc_firmware_type == WI_INTERSIL &&
 653                     ic->ic_des_esslen == 0) {
 654                         ic->ic_des_essid[0] = ' ';
 655                         ic->ic_des_esslen = 1;
 656                 }
 657                 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_HOSTAP);
 658                 break;
 659         case IEEE80211_M_MONITOR:
 660                 if (sc->sc_firmware_type == WI_LUCENT)
 661                         wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_ADHOC);
 662                 wi_cmd(sc, WI_CMD_DEBUG | (WI_TEST_MONITOR << 8), 0, 0, 0);
 663                 break;
 664         }
 665
 666         /* Intersil interprets this RID as joining ESS even in IBSS mode */
 667         if (sc->sc_firmware_type == WI_LUCENT &&
 668             (ic->ic_flags & IEEE80211_F_IBSSON) && ic->ic_des_esslen > 0)
 669                 wi_write_val(sc, WI_RID_CREATE_IBSS, 1);
 670         else
 671                 wi_write_val(sc, WI_RID_CREATE_IBSS, 0);
 672         wi_write_val(sc, WI_RID_MAX_SLEEP, ic->ic_lintval);
 673         wi_write_ssid(sc, WI_RID_DESIRED_SSID, ic->ic_des_essid,
 674             ic->ic_des_esslen);
 675         wi_write_val(sc, WI_RID_OWN_CHNL,
 676                 ieee80211_chan2ieee(ic, ic->ic_ibss_chan));
 677         wi_write_ssid(sc, WI_RID_OWN_SSID, ic->ic_des_essid, ic->ic_des_esslen);
 678
 679         IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
 680         wi_write_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, IEEE80211_ADDR_LEN);
 681
 682         wi_write_val(sc, WI_RID_PM_ENABLED,
 683             (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0);
 684
 685         /* not yet common 802.11 configuration */
 686         wi_write_val(sc, WI_RID_MAX_DATALEN, sc->sc_max_datalen);
 687         wi_write_val(sc, WI_RID_RTS_THRESH, ic->ic_rtsthreshold);
 688         if (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR)
 689                 wi_write_val(sc, WI_RID_FRAG_THRESH, ic->ic_fragthreshold);
 690
 691         /* driver specific 802.11 configuration */
 692         if (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE)
 693                 wi_write_val(sc, WI_RID_SYSTEM_SCALE, sc->sc_system_scale);
 694         if (sc->sc_flags & WI_FLAGS_HAS_ROAMING)
 695                 wi_write_val(sc, WI_RID_ROAMING_MODE, sc->sc_roaming_mode);
 696         if (sc->sc_flags & WI_FLAGS_HAS_MOR)
 697                 wi_write_val(sc, WI_RID_MICROWAVE_OVEN, sc->sc_microwave_oven);
 698         wi_write_txrate(sc);
 699         wi_write_ssid(sc, WI_RID_NODENAME, sc->sc_nodename, sc->sc_nodelen);
 700
 701         if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
 702             sc->sc_firmware_type == WI_INTERSIL) {
 703                 wi_write_val(sc, WI_RID_OWN_BEACON_INT, ic->ic_lintval);
 704                 wi_write_val(sc, WI_RID_BASIC_RATE, 0x03);   /* 1, 2 */
 705                 wi_write_val(sc, WI_RID_SUPPORT_RATE, 0x0f); /* 1, 2, 5.5, 11 */
 706                 wi_write_val(sc, WI_RID_DTIM_PERIOD, 1);
 707         }
 708
 709         /*
 710          * Initialize promisc mode.
 711          *      Being in the Host-AP mode causes a great
 712          *      deal of pain if primisc mode is set.
 713          *      Therefore we avoid confusing the firmware
 714          *      and always reset promisc mode in Host-AP
 715          *      mode.  Host-AP sees all the packets anyway.
 716          */
 717         if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
 718             (ifp->if_flags & IFF_PROMISC) != 0) {
 719                 wi_write_val(sc, WI_RID_PROMISC, 1);
 720         } else {
 721                 wi_write_val(sc, WI_RID_PROMISC, 0);
 722         }
 723
 724         /* Configure WEP. */
 725         if (ic->ic_caps & IEEE80211_C_WEP)
 726                 wi_write_wep(sc);
 727
 728         /* Set multicast filter. */
 729         wi_write_multi(sc);
 730
 731         /* Allocate fids for the card */
 732         if (sc->sc_firmware_type != WI_SYMBOL || !wasenabled) {
 733                 sc->sc_buflen = IEEE80211_MAX_LEN + sizeof(struct wi_frame);
 734                 if (sc->sc_firmware_type == WI_SYMBOL)
 735                         sc->sc_buflen = 1585;   /* XXX */
 736                 for (i = 0; i < sc->sc_ntxbuf; i++) {
 737                         error = wi_alloc_fid(sc, sc->sc_buflen,
 738                             &sc->sc_txd[i].d_fid);
 739                         if (error) {
 740                                 if_printf(ifp,
 741                                     "tx buffer allocation failed (error %u)\n",
 742                                     error);
 743                                 goto out;
 744                         }
 745                         sc->sc_txd[i].d_len = 0;
 746                 }
 747         }
 748         sc->sc_txcur = sc->sc_txnext = 0;
 749
 750         /* Enable desired port */
 751         wi_cmd(sc, WI_CMD_ENABLE | sc->sc_portnum, 0, 0, 0);
 752
 753         sc->sc_enabled = 1;
 754         ifp->if_flags |= IFF_RUNNING;
 755         ifp->if_flags &= ~IFF_OACTIVE;
 756         if (ic->ic_opmode == IEEE80211_M_AHDEMO ||
 757             ic->ic_opmode == IEEE80211_M_MONITOR ||
 758             ic->ic_opmode == IEEE80211_M_HOSTAP)
 759                 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
 760
 761         /* Enable interrupts if not polling */
 762 #ifdef DEVICE_POLLING
 763         if ((ifp->if_flags & IFF_POLLING) == 0)
 764 #endif
 765                 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS);
 766
 767         if (!wasenabled &&
 768             ic->ic_opmode == IEEE80211_M_HOSTAP &&
 769             sc->sc_firmware_type == WI_INTERSIL) {
 770                 /* XXX: some card need to be re-enabled for hostap */
 771                 wi_cmd(sc, WI_CMD_DISABLE | WI_PORT0, 0, 0, 0);
 772                 wi_cmd(sc, WI_CMD_ENABLE | WI_PORT0, 0, 0, 0);
 773         }
 774
 775         if (ic->ic_opmode == IEEE80211_M_STA &&
 776             ((ic->ic_flags & IEEE80211_F_DESBSSID) ||
 777             ic->ic_des_chan != IEEE80211_CHAN_ANYC)) {
 778                 memset(&join, 0, sizeof(join));
 779                 if (ic->ic_flags & IEEE80211_F_DESBSSID)
 780                         IEEE80211_ADDR_COPY(&join.wi_bssid, ic->ic_des_bssid);
 781                 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC)
 782                         join.wi_chan = htole16(
 783                                 ieee80211_chan2ieee(ic, ic->ic_des_chan));
 784                 /* Lucent firmware does not support the JOIN RID. */
 785                 if (sc->sc_firmware_type != WI_LUCENT)
 786                         wi_write_rid(sc, WI_RID_JOIN_REQ, &join, sizeof(join));
 787         }
 788
 789         WI_UNLOCK(sc);
 790         return;
 791 out:
 792         if (error) {
 793                 if_printf(ifp, "interface not running\n");
 794                 wi_stop(ifp, 1);
 795         }
 796         WI_UNLOCK(sc);
 797         DPRINTF((ifp, "wi_init: return %d\n", error));
 798         return;
 799 }
 800
 801 void
 802 wi_stop(struct ifnet *ifp, int disable)
 803 {
 804         struct ieee80211com *ic = (struct ieee80211com *) ifp;
 805         struct wi_softc *sc = ifp->if_softc;
 806         WI_LOCK_DECL();
 807
 808         WI_LOCK(sc);
 809
 810         DELAY(100000);
 811
 812         ifp->if_flags &= ~(IFF_OACTIVE | IFF_RUNNING);
 813         ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
 814         if (sc->sc_enabled && !sc->wi_gone) {
 815                 CSR_WRITE_2(sc, WI_INT_EN, 0);
 816                 wi_cmd(sc, WI_CMD_DISABLE | sc->sc_portnum, 0, 0, 0);
 817                 if (disable) {
 818 #ifdef __NetBSD__
 819                         if (sc->sc_disable)
 820                                 (*sc->sc_disable)(sc);
 821 #endif
 822                         sc->sc_enabled = 0;
 823                 }
 824         } else if (sc->wi_gone && disable)      /* gone --> not enabled */
 825             sc->sc_enabled = 0;
 826
 827         sc->sc_tx_timer = 0;
 828         sc->sc_scan_timer = 0;
 829         sc->sc_syn_timer = 0;
 830         sc->sc_false_syns = 0;
 831         sc->sc_naps = 0;
 832         ifp->if_timer = 0;
 833
 834         WI_UNLOCK(sc);
 835 }
 836
 837 static void
 838 wi_start(struct ifnet *ifp)
 839 {
 840         struct wi_softc *sc = ifp->if_softc;
 841         struct ieee80211com *ic = &sc->sc_ic;
 842         struct ieee80211_node *ni;
 843         struct ieee80211_frame *wh;
 844         struct mbuf *m0;
 845         struct wi_frame frmhdr;
 846         int cur, fid, off, error;
 847         WI_LOCK_DECL();
 848
 849         WI_LOCK(sc);
 850
 851         if (sc->wi_gone) {
 852                 WI_UNLOCK(sc);
 853                 return;
 854         }
 855         if (sc->sc_flags & WI_FLAGS_OUTRANGE) {
 856                 WI_UNLOCK(sc);
 857                 return;
 858         }
 859
 860         memset(&frmhdr, 0, sizeof(frmhdr));
 861         cur = sc->sc_txnext;
 862         for (;;) {
 863                 IF_POLL(&ic->ic_mgtq, m0);
 864                 if (m0 != NULL) {
 865                         if (sc->sc_txd[cur].d_len != 0) {
 866                                 ifp->if_flags |= IFF_OACTIVE;
 867                                 break;
 868                         }
 869                         IF_DEQUEUE(&ic->ic_mgtq, m0);
 870                         /*
 871                          * Hack!  The referenced node pointer is in the
 872                          * rcvif field of the packet header.  This is
 873                          * placed there by ieee80211_mgmt_output because
 874                          * we need to hold the reference with the frame
 875                          * and there's no other way (other than packet
 876                          * tags which we consider too expensive to use)
 877                          * to pass it along.
 878                          */
 879                         ni = (struct ieee80211_node *) m0->m_pkthdr.rcvif;
 880                         m0->m_pkthdr.rcvif = NULL;
 881
 882                         m_copydata(m0, 4, ETHER_ADDR_LEN * 2,
 883                             (caddr_t)&frmhdr.wi_ehdr);
 884                         frmhdr.wi_ehdr.ether_type = 0;
 885                         wh = mtod(m0, struct ieee80211_frame *);
 886                 } else {
 887                         if (ic->ic_state != IEEE80211_S_RUN)
 888                                 break;
 889                         m0 = ifq_poll(&ifp->if_snd);
 890                         if (m0 == NULL)
 891                                 break;
 892                         if (sc->sc_txd[cur].d_len != 0) {
 893                                 ifp->if_flags |= IFF_OACTIVE;
 894                                 break;
 895                         }
 896                         ifq_dequeue(&ifp->if_snd, m0);
 897                         ifp->if_opackets++;
 898                         m_copydata(m0, 0, ETHER_HDR_LEN,
 899                             (caddr_t)&frmhdr.wi_ehdr);
 900                         BPF_MTAP(ifp, m0);
 901
 902                         m0 = ieee80211_encap(ifp, m0, &ni);
 903                         if (m0 == NULL) {
 904                                 ifp->if_oerrors++;
 905                                 continue;
 906                         }
 907                         wh = mtod(m0, struct ieee80211_frame *);
 908                         if (ic->ic_flags & IEEE80211_F_WEPON)
 909                                 wh->i_fc[1] |= IEEE80211_FC1_WEP;
 910
 911                 }
 912
 913                 if (ic->ic_rawbpf != NULL)
 914                         bpf_mtap(ic->ic_rawbpf, m0);
 915
 916                 frmhdr.wi_tx_ctl = htole16(WI_ENC_TX_802_11|WI_TXCNTL_TX_EX);
 917                 if (ic->ic_opmode == IEEE80211_M_HOSTAP &&
 918                     (wh->i_fc[1] & IEEE80211_FC1_WEP)) {
 919                         if ((m0 = ieee80211_wep_crypt(ifp, m0, 1)) == NULL) {
 920                                 ifp->if_oerrors++;
 921                                 if (ni && ni != ic->ic_bss)
 922                                         ieee80211_free_node(ic, ni);
 923                                 continue;
 924                         }
 925                         frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_NOCRYPT);
 926                 }
 927
 928                 if (sc->sc_drvbpf) {
 929                         sc->sc_tx_th.wt_rate =
 930                                 ni->ni_rates.rs_rates[ni->ni_txrate];
 931                         bpf_ptap(sc->sc_drvbpf, m0, &sc->sc_tx_th,
 932                                  sc->sc_tx_th_len);
 933                 }
 934
 935                 m_copydata(m0, 0, sizeof(struct ieee80211_frame),
 936                     (caddr_t)&frmhdr.wi_whdr);
 937                 m_adj(m0, sizeof(struct ieee80211_frame));
 938                 frmhdr.wi_dat_len = htole16(m0->m_pkthdr.len);
 939                 if (IFF_DUMPPKTS(ifp))
 940                         wi_dump_pkt(&frmhdr, NULL, -1);
 941                 fid = sc->sc_txd[cur].d_fid;
 942                 off = sizeof(frmhdr);
 943                 error = wi_write_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)) != 0
 944                      || wi_mwrite_bap(sc, fid, off, m0, m0->m_pkthdr.len) != 0;
 945                 m_freem(m0);
 946                 if (ni && ni != ic->ic_bss)
 947                         ieee80211_free_node(ic, ni);
 948                 if (error) {
 949                         ifp->if_oerrors++;
 950                         continue;
 951                 }
 952                 sc->sc_txd[cur].d_len = off;
 953                 if (sc->sc_txcur == cur) {
 954                         if (wi_cmd(sc, WI_CMD_TX | WI_RECLAIM, fid, 0, 0)) {
 955                                 if_printf(ifp, "xmit failed\n");
 956                                 sc->sc_txd[cur].d_len = 0;
 957                                 continue;
 958                         }
 959                         sc->sc_tx_timer = 5;
 960                         ifp->if_timer = 1;
 961                 }
 962                 sc->sc_txnext = cur = (cur + 1) % sc->sc_ntxbuf;
 963         }
 964
 965         WI_UNLOCK(sc);
 966 }
 967
 968 static int
 969 wi_reset(struct wi_softc *sc)
 970 {
 971         struct ieee80211com *ic = &sc->sc_ic;
 972         struct ifnet *ifp = &ic->ic_if;
 973 #define WI_INIT_TRIES 3
 974         int i;
 975         int error = 0;
 976         int tries;
 977
 978         /* Symbol firmware cannot be initialized more than once */
 979         if (sc->sc_firmware_type == WI_SYMBOL && sc->sc_reset)
 980                 return (0);
 981         if (sc->sc_firmware_type == WI_SYMBOL)
 982                 tries = 1;
 983         else
 984                 tries = WI_INIT_TRIES;
 985
 986         for (i = 0; i < tries; i++) {
 987                 if ((error = wi_cmd(sc, WI_CMD_INI, 0, 0, 0)) == 0)
 988                         break;
 989                 DELAY(WI_DELAY * 1000);
 990         }
 991         sc->sc_reset = 1;
 992
 993         if (i == tries) {
 994                 if_printf(ifp, "init failed\n");
 995                 return (error);
 996         }
 997
 998         CSR_WRITE_2(sc, WI_INT_EN, 0);
 999         CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
1000
1001         /* Calibrate timer. */
1002         wi_write_val(sc, WI_RID_TICK_TIME, 8);
1003
1004         return (0);
1005 #undef WI_INIT_TRIES
1006 }
1007
1008 static void
1009 wi_watchdog(struct ifnet *ifp)
1010 {
1011         struct wi_softc *sc = ifp->if_softc;
1012
1013         ifp->if_timer = 0;
1014         if (!sc->sc_enabled)
1015                 return;
1016
1017         if (sc->sc_tx_timer) {
1018                 if (--sc->sc_tx_timer == 0) {
1019                         if_printf(ifp, "device timeout\n");
1020                         ifp->if_oerrors++;
1021                         wi_init(ifp->if_softc);
1022                         return;
1023                 }
1024                 ifp->if_timer = 1;
1025         }
1026
1027         if (sc->sc_scan_timer) {
1028                 if (--sc->sc_scan_timer <= WI_SCAN_WAIT - WI_SCAN_INQWAIT &&
1029                     sc->sc_firmware_type == WI_INTERSIL) {
1030                         DPRINTF((ifp, "wi_watchdog: inquire scan\n"));
1031                         wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_SCAN_RESULTS, 0, 0);
1032                 }
1033                 if (sc->sc_scan_timer)
1034                         ifp->if_timer = 1;
1035         }
1036
1037         if (sc->sc_syn_timer) {
1038                 if (--sc->sc_syn_timer == 0) {
1039                         struct ieee80211com *ic = (struct ieee80211com *) ifp;
1040                         DPRINTF2((ifp, "wi_watchdog: %d false syns\n",
1041                             sc->sc_false_syns));
1042                         sc->sc_false_syns = 0;
1043                         ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1044                         sc->sc_syn_timer = 5;
1045                 }
1046                 ifp->if_timer = 1;
1047         }
1048
1049         /* TODO: rate control */
1050         ieee80211_watchdog(ifp);
1051 }
1052
1053 static int
1054 wi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
1055 {
1056         struct wi_softc *sc = ifp->if_softc;
1057         struct ieee80211com *ic = &sc->sc_ic;
1058         struct ifreq *ifr = (struct ifreq *)data;
1059         struct ieee80211req *ireq;
1060         u_int8_t nodename[IEEE80211_NWID_LEN];
1061         int error = 0;
1062         struct wi_req wreq;
1063         WI_LOCK_DECL();
1064
1065         WI_LOCK(sc);
1066
1067         if (sc->wi_gone) {
1068                 error = ENODEV;
1069                 goto out;
1070         }
1071
1072         switch (cmd) {
1073         case SIOCSIFFLAGS:
1074                 /*
1075                  * Can't do promisc and hostap at the same time.  If all that's
1076                  * changing is the promisc flag, try to short-circuit a call to
1077                  * wi_init() by just setting PROMISC in the hardware.
1078                  */
1079                 if (ifp->if_flags & IFF_UP) {
1080                         if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
1081                             ifp->if_flags & IFF_RUNNING) {
1082                                 if (ifp->if_flags & IFF_PROMISC &&
1083                                     !(sc->sc_if_flags & IFF_PROMISC)) {
1084                                         wi_write_val(sc, WI_RID_PROMISC, 1);
1085                                 } else if (!(ifp->if_flags & IFF_PROMISC) &&
1086                                     sc->sc_if_flags & IFF_PROMISC) {
1087                                         wi_write_val(sc, WI_RID_PROMISC, 0);
1088                                 } else {
1089                                         wi_init(sc);
1090                                 }
1091                         } else {
1092                                 wi_init(sc);
1093                         }
1094                 } else {
1095                         if (ifp->if_flags & IFF_RUNNING) {
1096                                 wi_stop(ifp, 1);
1097                         }
1098                         sc->wi_gone = 0;
1099                 }
1100                 sc->sc_if_flags = ifp->if_flags;
1101                 error = 0;
1102                 break;
1103         case SIOCADDMULTI:
1104         case SIOCDELMULTI:
1105                 error = wi_write_multi(sc);
1106                 break;
1107         case SIOCGIFGENERIC:
1108                 error = wi_get_cfg(ifp, cmd, data, cr);
1109                 break;
1110         case SIOCSIFGENERIC:
1111                 error = suser_cred(cr, NULL_CRED_OKAY);
1112                 if (error)
1113                         break;
1114                 error = wi_set_cfg(ifp, cmd, data);
1115                 break;
1116         case SIOCGPRISM2DEBUG:
1117                 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1118                 if (error)
1119                         break;
1120                 if (!(ifp->if_flags & IFF_RUNNING) ||
1121                     sc->sc_firmware_type == WI_LUCENT) {
1122                         error = EIO;
1123                         break;
1124                 }
1125                 error = wi_get_debug(sc, &wreq);
1126                 if (error == 0)
1127                         error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
1128                 break;
1129         case SIOCSPRISM2DEBUG:
1130                 if ((error = suser_cred(cr, NULL_CRED_OKAY)))
1131                         goto out;
1132                 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1133                 if (error)
1134                         break;
1135                 error = wi_set_debug(sc, &wreq);
1136                 break;
1137         case SIOCG80211:
1138                 ireq = (struct ieee80211req *) data;
1139                 switch (ireq->i_type) {
1140                 case IEEE80211_IOC_STATIONNAME:
1141                         ireq->i_len = sc->sc_nodelen + 1;
1142                         error = copyout(sc->sc_nodename, ireq->i_data,
1143                                         ireq->i_len);
1144                         break;
1145                 default:
1146                         error = ieee80211_ioctl(ifp, cmd, data, cr);
1147                         break;
1148                 }
1149                 break;
1150         case SIOCS80211:
1151                 error = suser_cred(cr, NULL_CRED_OKAY);
1152                 if (error)
1153                         break;
1154                 ireq = (struct ieee80211req *) data;
1155                 switch (ireq->i_type) {
1156                 case IEEE80211_IOC_STATIONNAME:
1157                         if (ireq->i_val != 0 ||
1158                             ireq->i_len > IEEE80211_NWID_LEN) {
1159                                 error = EINVAL;
1160                                 break;
1161                         }
1162                         memset(nodename, 0, IEEE80211_NWID_LEN);
1163                         error = copyin(ireq->i_data, nodename, ireq->i_len);
1164                         if (error)
1165                                 break;
1166                         if (sc->sc_enabled) {
1167                                 error = wi_write_ssid(sc, WI_RID_NODENAME,
1168                                         nodename, ireq->i_len);
1169                                 if (error)
1170                                         break;
1171                         }
1172                         memcpy(sc->sc_nodename, nodename, IEEE80211_NWID_LEN);
1173                         sc->sc_nodelen = ireq->i_len;
1174                         break;
1175                 default:
1176                         error = ieee80211_ioctl(ifp, cmd, data, cr);
1177                         break;
1178                 }
1179                 break;
1180         case SIOCSIFCAP:
1181                 if (ifp->if_flags & IFF_RUNNING)
1182                         wi_init(sc);
1183                 break;
1184         default:
1185                 error = ieee80211_ioctl(ifp, cmd, data, cr);
1186                 break;
1187         }
1188         if (error == ENETRESET) {
1189                 if (sc->sc_enabled)
1190                         wi_init(sc);    /* XXX no error return */
1191                 error = 0;
1192         }
1193 out:
1194         WI_UNLOCK(sc);
1195
1196         return (error);
1197 }
1198
1199 static int
1200 wi_media_change(struct ifnet *ifp)
1201 {
1202         struct wi_softc *sc = ifp->if_softc;
1203         int error;
1204
1205         error = ieee80211_media_change(ifp);
1206         if (error == ENETRESET) {
1207                 if (sc->sc_enabled)
1208                         wi_init(sc);    /* XXX no error return */
1209                 error = 0;
1210         }
1211         return error;
1212 }
1213
1214 static void
1215 wi_media_status(struct ifnet *ifp, struct ifmediareq *imr)
1216 {
1217         struct wi_softc *sc = ifp->if_softc;
1218         struct ieee80211com *ic = &sc->sc_ic;
1219         u_int16_t val;
1220         int rate, len;
1221
1222         if (sc->wi_gone || !sc->sc_enabled) {
1223                 imr->ifm_active = IFM_IEEE80211 | IFM_NONE;
1224                 imr->ifm_status = 0;
1225                 return;
1226         }
1227
1228         imr->ifm_status = IFM_AVALID;
1229         imr->ifm_active = IFM_IEEE80211;
1230         if (ic->ic_state == IEEE80211_S_RUN &&
1231             (sc->sc_flags & WI_FLAGS_OUTRANGE) == 0)
1232                 imr->ifm_status |= IFM_ACTIVE;
1233         len = sizeof(val);
1234         if (wi_read_rid(sc, WI_RID_CUR_TX_RATE, &val, &len) != 0)
1235                 rate = 0;
1236         else {
1237                 /* convert to 802.11 rate */
1238                 rate = val * 2;
1239                 if (sc->sc_firmware_type == WI_LUCENT) {
1240                         if (rate == 4 * 2)
1241                                 rate = 11;      /* 5.5Mbps */
1242                         else if (rate == 5 * 2)
1243                                 rate = 22;      /* 11Mbps */
1244                 } else {
1245                         if (rate == 4*2)
1246                                 rate = 11;      /* 5.5Mbps */
1247                         else if (rate == 8*2)
1248                                 rate = 22;      /* 11Mbps */
1249                 }
1250         }
1251         imr->ifm_active |= ieee80211_rate2media(ic, rate, IEEE80211_MODE_11B);
1252         switch (ic->ic_opmode) {
1253         case IEEE80211_M_STA:
1254                 break;
1255         case IEEE80211_M_IBSS:
1256                 imr->ifm_active |= IFM_IEEE80211_ADHOC;
1257                 break;
1258         case IEEE80211_M_AHDEMO:
1259                 imr->ifm_active |= IFM_IEEE80211_ADHOC | IFM_FLAG0;
1260                 break;
1261         case IEEE80211_M_HOSTAP:
1262                 imr->ifm_active |= IFM_IEEE80211_HOSTAP;
1263                 break;
1264         case IEEE80211_M_MONITOR:
1265                 imr->ifm_active |= IFM_IEEE80211_MONITOR;
1266                 break;
1267         }
1268 }
1269
1270 static void
1271 wi_sync_bssid(struct wi_softc *sc, u_int8_t new_bssid[IEEE80211_ADDR_LEN])
1272 {
1273         struct ieee80211com *ic = &sc->sc_ic;
1274         struct ieee80211_node *ni = ic->ic_bss;
1275         struct ifnet *ifp = &ic->ic_if;
1276
1277         if (IEEE80211_ADDR_EQ(new_bssid, ni->ni_bssid))
1278                 return;
1279
1280         DPRINTF((ifp, "wi_sync_bssid: bssid %6D -> %6D ?\n", ni->ni_bssid, ":",
1281             new_bssid, ":"));
1282
1283         /* In promiscuous mode, the BSSID field is not a reliable
1284          * indicator of the firmware's BSSID. Damp spurious
1285          * change-of-BSSID indications.
1286          */
1287         if ((ifp->if_flags & IFF_PROMISC) != 0 &&
1288             sc->sc_false_syns >= WI_MAX_FALSE_SYNS)
1289                 return;
1290
1291         ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1292 }
1293
1294 static void
1295 wi_rx_monitor(struct wi_softc *sc, int fid)
1296 {
1297         struct ieee80211com *ic = &sc->sc_ic;
1298         struct ifnet *ifp = &ic->ic_if;
1299         struct wi_frame *rx_frame;
1300         struct mbuf *m;
1301         int datlen, hdrlen;
1302
1303         /* first allocate mbuf for packet storage */
1304         m = m_getcl(MB_DONTWAIT, MT_DATA, 0);
1305         if (m == NULL) {
1306                 ifp->if_ierrors++;
1307                 return;
1308         }
1309
1310         m->m_pkthdr.rcvif = ifp;
1311
1312         /* now read wi_frame first so we know how much data to read */
1313         if (wi_read_bap(sc, fid, 0, mtod(m, caddr_t), sizeof(*rx_frame))) {
1314                 ifp->if_ierrors++;
1315                 goto done;
1316         }
1317
1318         rx_frame = mtod(m, struct wi_frame *);
1319
1320         switch ((rx_frame->wi_status & WI_STAT_MAC_PORT) >> 8) {
1321         case 7:
1322                 switch (rx_frame->wi_whdr.i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
1323                 case IEEE80211_FC0_TYPE_DATA:
1324                         hdrlen = WI_DATA_HDRLEN;
1325                         datlen = rx_frame->wi_dat_len + WI_FCS_LEN;
1326                         break;
1327                 case IEEE80211_FC0_TYPE_MGT:
1328                         hdrlen = WI_MGMT_HDRLEN;
1329                         datlen = rx_frame->wi_dat_len + WI_FCS_LEN;
1330                         break;
1331                 case IEEE80211_FC0_TYPE_CTL:
1332                         /*
1333                          * prism2 cards don't pass control packets
1334                          * down properly or consistently, so we'll only
1335                          * pass down the header.
1336                          */
1337                         hdrlen = WI_CTL_HDRLEN;
1338                         datlen = 0;
1339                         break;
1340                 default:
1341                         if_printf(ifp, "received packet of unknown type "
1342                                 "on port 7\n");
1343                         ifp->if_ierrors++;
1344                         goto done;
1345                 }
1346                 break;
1347         case 0:
1348                 hdrlen = WI_DATA_HDRLEN;
1349                 datlen = rx_frame->wi_dat_len + WI_FCS_LEN;
1350                 break;
1351         default:
1352                 if_printf(ifp, "received packet on invalid "
1353                     "port (wi_status=0x%x)\n", rx_frame->wi_status);
1354                 ifp->if_ierrors++;
1355                 goto done;
1356         }
1357
1358         if (hdrlen + datlen + 2 > MCLBYTES) {
1359                 if_printf(ifp, "oversized packet received "
1360                     "(wi_dat_len=%d, wi_status=0x%x)\n",
1361                     datlen, rx_frame->wi_status);
1362                 ifp->if_ierrors++;
1363                 goto done;
1364         }
1365
1366         if (wi_read_bap(sc, fid, hdrlen, mtod(m, caddr_t) + hdrlen,
1367             datlen + 2) == 0) {
1368                 m->m_pkthdr.len = m->m_len = hdrlen + datlen;
1369                 ifp->if_ipackets++;
1370                 BPF_MTAP(ifp, m);       /* Handle BPF listeners. */
1371         } else
1372                 ifp->if_ierrors++;
1373 done:
1374         m_freem(m);
1375 }
1376
1377 static void
1378 wi_rx_intr(struct wi_softc *sc)
1379 {
1380         struct ieee80211com *ic = &sc->sc_ic;
1381         struct ifnet *ifp = &ic->ic_if;
1382         struct wi_frame frmhdr;
1383         struct mbuf *m;
1384         struct ieee80211_frame *wh;
1385         struct ieee80211_node *ni;
1386         int fid, len, off, rssi;
1387         u_int8_t dir;
1388         u_int16_t status;
1389         u_int32_t rstamp;
1390
1391         fid = CSR_READ_2(sc, WI_RX_FID);
1392
1393         if (sc->wi_debug.wi_monitor) {
1394                 /*
1395                  * If we are in monitor mode just
1396                  * read the data from the device.
1397                  */
1398                 wi_rx_monitor(sc, fid);
1399                 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX);
1400                 return;
1401         }
1402
1403         /* First read in the frame header */
1404         if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr))) {
1405                 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX);
1406                 ifp->if_ierrors++;
1407                 DPRINTF((ifp, "wi_rx_intr: read fid %x failed\n", fid));
1408                 return;
1409         }
1410
1411         if (IFF_DUMPPKTS(ifp))
1412                 wi_dump_pkt(&frmhdr, NULL, frmhdr.wi_rx_signal);
1413
1414         /*
1415          * Drop undecryptable or packets with receive errors here
1416          */
1417         status = le16toh(frmhdr.wi_status);
1418         if (status & WI_STAT_ERRSTAT) {
1419                 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX);
1420                 ifp->if_ierrors++;
1421                 DPRINTF((ifp, "wi_rx_intr: fid %x error status %x\n",
1422                          fid, status));
1423                 return;
1424         }
1425         rssi = frmhdr.wi_rx_signal;
1426         rstamp = (le16toh(frmhdr.wi_rx_tstamp0) << 16) |
1427             le16toh(frmhdr.wi_rx_tstamp1);
1428
1429         len = le16toh(frmhdr.wi_dat_len);
1430         off = ALIGN(sizeof(struct ieee80211_frame));
1431
1432         /*
1433          * Sometimes the PRISM2.x returns bogusly large frames. Except
1434          * in monitor mode, just throw them away.
1435          */
1436         if (off + len > MCLBYTES) {
1437                 if (ic->ic_opmode != IEEE80211_M_MONITOR) {
1438                         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX);
1439                         ifp->if_ierrors++;
1440                         DPRINTF((ifp, "wi_rx_intr: oversized packet\n"));
1441                         return;
1442                 } else
1443                         len = 0;
1444         }
1445
1446         m = m_getl(off + len, MB_DONTWAIT, MT_DATA, M_PKTHDR, NULL);
1447         if (m == NULL) {
1448                 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX);
1449                 ifp->if_ierrors++;
1450                 DPRINTF((ifp, "wi_rx_intr: m_getl failed\n"));
1451                 return;
1452         }
1453
1454         m->m_data += off - sizeof(struct ieee80211_frame);
1455         memcpy(m->m_data, &frmhdr.wi_whdr, sizeof(struct ieee80211_frame));
1456         wi_read_bap(sc, fid, sizeof(frmhdr),
1457             m->m_data + sizeof(struct ieee80211_frame), len);
1458         m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame) + len;
1459         m->m_pkthdr.rcvif = ifp;
1460
1461         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX);
1462
1463         if (sc->sc_drvbpf) {
1464                 /* XXX replace divide by table */
1465                 sc->sc_rx_th.wr_rate = frmhdr.wi_rx_rate / 5;
1466                 sc->sc_rx_th.wr_antsignal = frmhdr.wi_rx_signal;
1467                 sc->sc_rx_th.wr_antnoise = frmhdr.wi_rx_silence;
1468                 sc->sc_rx_th.wr_flags = 0;
1469                 if (frmhdr.wi_status & WI_STAT_PCF)
1470                         sc->sc_rx_th.wr_flags |= IEEE80211_RADIOTAP_F_CFP;
1471                 bpf_ptap(sc->sc_drvbpf, m, &sc->sc_rx_th, sc->sc_rx_th_len);
1472         }
1473
1474         wh = mtod(m, struct ieee80211_frame *);
1475         if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1476                 /*
1477                  * WEP is decrypted by hardware. Clear WEP bit
1478                  * header for ieee80211_input().
1479                  */
1480                 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
1481         }
1482
1483         /* synchronize driver's BSSID with firmware's BSSID */
1484         dir = wh->i_fc[1] & IEEE80211_FC1_DIR_MASK;
1485         if (ic->ic_opmode == IEEE80211_M_IBSS && dir == IEEE80211_FC1_DIR_NODS)
1486                 wi_sync_bssid(sc, wh->i_addr3);
1487
1488         /*
1489          * Locate the node for sender, track state, and
1490          * then pass this node (referenced) up to the 802.11
1491          * layer for its use.  We are required to pass
1492          * something so we fallback to ic_bss when this frame
1493          * is from an unknown sender.
1494          */
1495         if (ic->ic_opmode != IEEE80211_M_STA) {
1496                 ni = ieee80211_find_node(ic, wh->i_addr2);
1497                 if (ni == NULL)
1498                         ni = ieee80211_ref_node(ic->ic_bss);
1499         } else
1500                 ni = ieee80211_ref_node(ic->ic_bss);
1501         /*
1502          * Send frame up for processing.
1503          */
1504         ieee80211_input(ifp, m, ni, rssi, rstamp);
1505         /*
1506          * The frame may have caused the node to be marked for
1507          * reclamation (e.g. in response to a DEAUTH message)
1508          * so use free_node here instead of unref_node.
1509          */
1510         if (ni == ic->ic_bss)
1511                 ieee80211_unref_node(&ni);
1512         else
1513                 ieee80211_free_node(ic, ni);
1514 }
1515
1516 static void
1517 wi_tx_ex_intr(struct wi_softc *sc)
1518 {
1519         struct ieee80211com *ic = &sc->sc_ic;
1520         struct ifnet *ifp = &ic->ic_if;
1521         struct wi_frame frmhdr;
1522         int fid;
1523
1524         fid = CSR_READ_2(sc, WI_TX_CMP_FID);
1525         /* Read in the frame header */
1526         if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)) == 0) {
1527                 u_int16_t status = le16toh(frmhdr.wi_status);
1528
1529                 /*
1530                  * Spontaneous station disconnects appear as xmit
1531                  * errors.  Don't announce them and/or count them
1532                  * as an output error.
1533                  */
1534                 if ((status & WI_TXSTAT_DISCONNECT) == 0) {
1535                         if (ppsratecheck(&lasttxerror, &curtxeps, wi_txerate)) {
1536                                 if_printf(ifp, "tx failed");
1537                                 if (status & WI_TXSTAT_RET_ERR)
1538                                         printf(", retry limit exceeded");
1539                                 if (status & WI_TXSTAT_AGED_ERR)
1540                                         printf(", max transmit lifetime exceeded");
1541                                 if (status & WI_TXSTAT_DISCONNECT)
1542                                         printf(", port disconnected");
1543                                 if (status & WI_TXSTAT_FORM_ERR)
1544                                         printf(", invalid format (data len %u src %6D)",
1545                                                 le16toh(frmhdr.wi_dat_len),
1546                                                 frmhdr.wi_ehdr.ether_shost, ":");
1547                                 if (status & ~0xf)
1548                                         printf(", status=0x%x", status);
1549                                 printf("\n");
1550                         }
1551                         ifp->if_oerrors++;
1552                 } else {
1553                         DPRINTF((ifp, "port disconnected\n"));
1554                         ifp->if_collisions++;   /* XXX */
1555                 }
1556         } else
1557                 DPRINTF((ifp, "wi_tx_ex_intr: read fid %x failed\n", fid));
1558         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_TX_EXC);
1559 }
1560
1561 static void
1562 wi_tx_intr(struct wi_softc *sc)
1563 {
1564         struct ieee80211com *ic = &sc->sc_ic;
1565         struct ifnet *ifp = &ic->ic_if;
1566         int fid, cur;
1567
1568         if (sc->wi_gone)
1569                 return;
1570
1571         fid = CSR_READ_2(sc, WI_ALLOC_FID);
1572         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC);
1573
1574         cur = sc->sc_txcur;
1575         if (sc->sc_txd[cur].d_fid != fid) {
1576                 if_printf(ifp, "bad alloc %x != %x, cur %d nxt %d\n",
1577                     fid, sc->sc_txd[cur].d_fid, cur, sc->sc_txnext);
1578                 return;
1579         }
1580         sc->sc_tx_timer = 0;
1581         sc->sc_txd[cur].d_len = 0;
1582         sc->sc_txcur = cur = (cur + 1) % sc->sc_ntxbuf;
1583         if (sc->sc_txd[cur].d_len == 0)
1584                 ifp->if_flags &= ~IFF_OACTIVE;
1585         else {
1586                 if (wi_cmd(sc, WI_CMD_TX | WI_RECLAIM, sc->sc_txd[cur].d_fid,
1587                     0, 0)) {
1588                         if_printf(ifp, "xmit failed\n");
1589                         sc->sc_txd[cur].d_len = 0;
1590                 } else {
1591                         sc->sc_tx_timer = 5;
1592                         ifp->if_timer = 1;
1593                 }
1594         }
1595 }
1596
1597 static void
1598 wi_info_intr(struct wi_softc *sc)
1599 {
1600         struct ieee80211com *ic = &sc->sc_ic;
1601         struct ifnet *ifp = &ic->ic_if;
1602         int i, fid, len, off;
1603         u_int16_t ltbuf[2];
1604         u_int16_t stat;
1605         u_int32_t *ptr;
1606
1607         fid = CSR_READ_2(sc, WI_INFO_FID);
1608         wi_read_bap(sc, fid, 0, ltbuf, sizeof(ltbuf));
1609
1610         switch (le16toh(ltbuf[1])) {
1611
1612         case WI_INFO_LINK_STAT:
1613                 wi_read_bap(sc, fid, sizeof(ltbuf), &stat, sizeof(stat));
1614                 DPRINTF((ifp, "wi_info_intr: LINK_STAT 0x%x\n", le16toh(stat)));
1615                 switch (le16toh(stat)) {
1616                 case WI_INFO_LINK_STAT_CONNECTED:
1617                         sc->sc_flags &= ~WI_FLAGS_OUTRANGE;
1618                         if (ic->ic_state == IEEE80211_S_RUN &&
1619                             ic->ic_opmode != IEEE80211_M_IBSS)
1620                                 break;
1621                         /* FALLTHROUGH */
1622                 case WI_INFO_LINK_STAT_AP_CHG:
1623                         ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1624                         break;
1625                 case WI_INFO_LINK_STAT_AP_INR:
1626                         sc->sc_flags &= ~WI_FLAGS_OUTRANGE;
1627                         break;
1628                 case WI_INFO_LINK_STAT_AP_OOR:
1629                         if (sc->sc_firmware_type == WI_SYMBOL &&
1630                             sc->sc_scan_timer > 0) {
1631                                 if (wi_cmd(sc, WI_CMD_INQUIRE,
1632                                     WI_INFO_HOST_SCAN_RESULTS, 0, 0) != 0)
1633                                         sc->sc_scan_timer = 0;
1634                                 break;
1635                         }
1636                         if (ic->ic_opmode == IEEE80211_M_STA)
1637                                 sc->sc_flags |= WI_FLAGS_OUTRANGE;
1638                         break;
1639                 case WI_INFO_LINK_STAT_DISCONNECTED:
1640                 case WI_INFO_LINK_STAT_ASSOC_FAILED:
1641                         if (ic->ic_opmode == IEEE80211_M_STA)
1642                                 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1643                         break;
1644                 }
1645                 break;
1646
1647         case WI_INFO_COUNTERS:
1648                 /* some card versions have a larger stats structure */
1649                 len = min(le16toh(ltbuf[0]) - 1, sizeof(sc->sc_stats) / 4);
1650                 ptr = (u_int32_t *)&sc->sc_stats;
1651                 off = sizeof(ltbuf);
1652                 for (i = 0; i < len; i++, off += 2, ptr++) {
1653                         wi_read_bap(sc, fid, off, &stat, sizeof(stat));
1654 #ifdef WI_HERMES_STATS_WAR
1655                         if (stat & 0xf000)
1656                                 stat = ~stat;
1657 #endif
1658                         *ptr += stat;
1659                 }
1660                 ifp->if_collisions = sc->sc_stats.wi_tx_single_retries +
1661                     sc->sc_stats.wi_tx_multi_retries +
1662                     sc->sc_stats.wi_tx_retry_limit;
1663                 break;
1664
1665         case WI_INFO_SCAN_RESULTS:
1666         case WI_INFO_HOST_SCAN_RESULTS:
1667                 wi_scan_result(sc, fid, le16toh(ltbuf[0]));
1668                 break;
1669
1670         default:
1671                 DPRINTF((ifp, "wi_info_intr: got fid %x type %x len %d\n", fid,
1672                     le16toh(ltbuf[1]), le16toh(ltbuf[0])));
1673                 break;
1674         }
1675         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_INFO);
1676 }
1677
1678 static int
1679 wi_write_multi(struct wi_softc *sc)
1680 {
1681         struct ifnet *ifp = &sc->sc_ic.ic_if;
1682         int n;
1683         struct ifmultiaddr *ifma;
1684         struct wi_mcast mlist;
1685
1686         if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
1687 allmulti:
1688                 memset(&mlist, 0, sizeof(mlist));
1689                 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist,
1690                     sizeof(mlist));
1691         }
1692
1693         n = 0;
1694         LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
1695                 if (ifma->ifma_addr->sa_family != AF_LINK)
1696                         continue;
1697                 if (n >= 16)
1698                         goto allmulti;
1699                 IEEE80211_ADDR_COPY(&mlist.wi_mcast[n],
1700                     (LLADDR((struct sockaddr_dl *)ifma->ifma_addr)));
1701                 n++;
1702         }
1703         return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist,
1704             IEEE80211_ADDR_LEN * n);
1705 }
1706
1707 static void
1708 wi_read_nicid(struct wi_softc *sc)
1709 {
1710         struct wi_card_ident *id;
1711         char *p;
1712         int len;
1713         u_int16_t ver[4];
1714
1715         /* getting chip identity */
1716         memset(ver, 0, sizeof(ver));
1717         len = sizeof(ver);
1718         wi_read_rid(sc, WI_RID_CARD_ID, ver, &len);
1719         if_printf(&sc->sc_ic.ic_if, "using ");
1720
1721         sc->sc_firmware_type = WI_NOTYPE;
1722         for (id = wi_card_ident; id->card_name != NULL; id++) {
1723                 if (le16toh(ver[0]) == id->card_id) {
1724                         printf("%s", id->card_name);
1725                         sc->sc_firmware_type = id->firm_type;
1726                         break;
1727                 }
1728         }
1729         if (sc->sc_firmware_type == WI_NOTYPE) {
1730                 if (le16toh(ver[0]) & 0x8000) {
1731                         printf("Unknown PRISM2 chip");
1732                         sc->sc_firmware_type = WI_INTERSIL;
1733                 } else {
1734                         printf("Unknown Lucent chip");
1735                         sc->sc_firmware_type = WI_LUCENT;
1736                 }
1737         }
1738
1739         /* get primary firmware version (Only Prism chips) */
1740         if (sc->sc_firmware_type != WI_LUCENT) {
1741                 memset(ver, 0, sizeof(ver));
1742                 len = sizeof(ver);
1743                 wi_read_rid(sc, WI_RID_PRI_IDENTITY, ver, &len);
1744                 sc->sc_pri_firmware_ver = le16toh(ver[2]) * 10000 +
1745                     le16toh(ver[3]) * 100 + le16toh(ver[1]);
1746         }
1747
1748         /* get station firmware version */
1749         memset(ver, 0, sizeof(ver));
1750         len = sizeof(ver);
1751         wi_read_rid(sc, WI_RID_STA_IDENTITY, ver, &len);
1752         sc->sc_sta_firmware_ver = le16toh(ver[2]) * 10000 +
1753             le16toh(ver[3]) * 100 + le16toh(ver[1]);
1754         if (sc->sc_firmware_type == WI_INTERSIL &&
1755             (sc->sc_sta_firmware_ver == 10102 ||
1756              sc->sc_sta_firmware_ver == 20102)) {
1757                 char ident[12];
1758                 memset(ident, 0, sizeof(ident));
1759                 len = sizeof(ident);
1760                 /* value should be the format like "V2.00-11" */
1761                 if (wi_read_rid(sc, WI_RID_SYMBOL_IDENTITY, ident, &len) == 0 &&
1762                     *(p = (char *)ident) >= 'A' &&
1763                     p[2] == '.' && p[5] == '-' && p[8] == '\0') {
1764                         sc->sc_firmware_type = WI_SYMBOL;
1765                         sc->sc_sta_firmware_ver = (p[1] - '0') * 10000 +
1766                             (p[3] - '0') * 1000 + (p[4] - '0') * 100 +
1767                             (p[6] - '0') * 10 + (p[7] - '0');
1768                 }
1769         }
1770         printf("\n");
1771         if_printf(&sc->sc_ic.ic_if, "%s Firmware: ",
1772              sc->sc_firmware_type == WI_LUCENT ? "Lucent" :
1773             (sc->sc_firmware_type == WI_SYMBOL ? "Symbol" : "Intersil"));
1774         if (sc->sc_firmware_type != WI_LUCENT)  /* XXX */
1775                 printf("Primary (%u.%u.%u), ",
1776                     sc->sc_pri_firmware_ver / 10000,
1777                     (sc->sc_pri_firmware_ver % 10000) / 100,
1778                     sc->sc_pri_firmware_ver % 100);
1779         printf("Station (%u.%u.%u)\n",
1780             sc->sc_sta_firmware_ver / 10000,
1781             (sc->sc_sta_firmware_ver % 10000) / 100,
1782             sc->sc_sta_firmware_ver % 100);
1783 }
1784
1785 static int
1786 wi_write_ssid(struct wi_softc *sc, int rid, u_int8_t *buf, int buflen)
1787 {
1788         struct wi_ssid ssid;
1789
1790         if (buflen > IEEE80211_NWID_LEN)
1791                 return ENOBUFS;
1792         memset(&ssid, 0, sizeof(ssid));
1793         ssid.wi_len = htole16(buflen);
1794         memcpy(ssid.wi_ssid, buf, buflen);
1795         return wi_write_rid(sc, rid, &ssid, sizeof(ssid));
1796 }
1797
1798 static int
1799 wi_get_cfg(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
1800 {
1801         struct wi_softc *sc = ifp->if_softc;
1802         struct ieee80211com *ic = &sc->sc_ic;
1803         struct ifreq *ifr = (struct ifreq *)data;
1804         struct wi_req wreq;
1805         struct wi_scan_res *res;
1806         size_t reslen;
1807         int len, n, error, mif, val, off, i;
1808
1809         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1810         if (error)
1811                 return error;
1812         len = (wreq.wi_len - 1) * 2;
1813         if (len < sizeof(u_int16_t))
1814                 return ENOSPC;
1815         if (len > sizeof(wreq.wi_val))
1816                 len = sizeof(wreq.wi_val);
1817
1818         switch (wreq.wi_type) {
1819
1820         case WI_RID_IFACE_STATS:
1821                 memcpy(wreq.wi_val, &sc->sc_stats, sizeof(sc->sc_stats));
1822                 if (len < sizeof(sc->sc_stats))
1823                         error = ENOSPC;
1824                 else
1825                         len = sizeof(sc->sc_stats);
1826                 break;
1827
1828         case WI_RID_ENCRYPTION:
1829         case WI_RID_TX_CRYPT_KEY:
1830         case WI_RID_DEFLT_CRYPT_KEYS:
1831         case WI_RID_TX_RATE:
1832                 return ieee80211_cfgget(ifp, cmd, data, cr);
1833
1834         case WI_RID_MICROWAVE_OVEN:
1835                 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_MOR)) {
1836                         error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val,
1837                             &len);
1838                         break;
1839                 }
1840                 wreq.wi_val[0] = htole16(sc->sc_microwave_oven);
1841                 len = sizeof(u_int16_t);
1842                 break;
1843
1844         case WI_RID_DBM_ADJUST:
1845                 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_DBMADJUST)) {
1846                         error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val,
1847                             &len);
1848                         break;
1849                 }
1850                 wreq.wi_val[0] = htole16(sc->sc_dbm_offset);
1851                 len = sizeof(u_int16_t);
1852                 break;
1853
1854         case WI_RID_ROAMING_MODE:
1855                 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_ROAMING)) {
1856                         error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val,
1857                             &len);
1858                         break;
1859                 }
1860                 wreq.wi_val[0] = htole16(sc->sc_roaming_mode);
1861                 len = sizeof(u_int16_t);
1862                 break;
1863
1864         case WI_RID_SYSTEM_SCALE:
1865                 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE)) {
1866                         error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val,
1867                             &len);
1868                         break;
1869                 }
1870                 wreq.wi_val[0] = htole16(sc->sc_system_scale);
1871                 len = sizeof(u_int16_t);
1872                 break;
1873
1874         case WI_RID_FRAG_THRESH:
1875                 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR)) {
1876                         error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val,
1877                             &len);
1878                         break;
1879                 }
1880                 wreq.wi_val[0] = htole16(ic->ic_fragthreshold);
1881                 len = sizeof(u_int16_t);
1882                 break;
1883
1884         case WI_RID_READ_APS:
1885                 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
1886                         return ieee80211_cfgget(ifp, cmd, data, cr);
1887                 if (sc->sc_scan_timer > 0) {
1888                         error = EINPROGRESS;
1889                         break;
1890                 }
1891                 n = sc->sc_naps;
1892                 if (len < sizeof(n)) {
1893                         error = ENOSPC;
1894                         break;
1895                 }
1896                 if (len < sizeof(n) + sizeof(struct wi_apinfo) * n)
1897                         n = (len - sizeof(n)) / sizeof(struct wi_apinfo);
1898                 len = sizeof(n) + sizeof(struct wi_apinfo) * n;
1899                 memcpy(wreq.wi_val, &n, sizeof(n));
1900                 memcpy((caddr_t)wreq.wi_val + sizeof(n), sc->sc_aps,
1901                     sizeof(struct wi_apinfo) * n);
1902                 break;
1903
1904         case WI_RID_PRISM2:
1905                 wreq.wi_val[0] = sc->sc_firmware_type != WI_LUCENT;
1906                 len = sizeof(u_int16_t);
1907                 break;
1908
1909         case WI_RID_MIF:
1910                 mif = wreq.wi_val[0];
1911                 error = wi_cmd(sc, WI_CMD_READMIF, mif, 0, 0);
1912                 val = CSR_READ_2(sc, WI_RESP0);
1913                 wreq.wi_val[0] = val;
1914                 len = sizeof(u_int16_t);
1915                 break;
1916
1917         case WI_RID_ZERO_CACHE:
1918         case WI_RID_PROCFRAME:          /* ignore for compatibility */
1919                 /* XXX ??? */
1920                 break;
1921
1922         case WI_RID_READ_CACHE:
1923                 return ieee80211_cfgget(ifp, cmd, data, cr);
1924
1925         case WI_RID_SCAN_RES:           /* compatibility interface */
1926                 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
1927                         return ieee80211_cfgget(ifp, cmd, data, cr);
1928                 if (sc->sc_scan_timer > 0) {
1929                         error = EINPROGRESS;
1930                         break;
1931                 }
1932                 n = sc->sc_naps;
1933                 if (sc->sc_firmware_type == WI_LUCENT) {
1934                         off = 0;
1935                         reslen = WI_WAVELAN_RES_SIZE;
1936                 } else {
1937                         off = sizeof(struct wi_scan_p2_hdr);
1938                         reslen = WI_PRISM2_RES_SIZE;
1939                 }
1940                 if (len < off + reslen * n)
1941                         n = (len - off) / reslen;
1942                 len = off + reslen * n;
1943                 if (off != 0) {
1944                         struct wi_scan_p2_hdr *p2 = (struct wi_scan_p2_hdr *)wreq.wi_val;
1945                         /*
1946                          * Prepend Prism-specific header.
1947                          */
1948                         if (len < sizeof(struct wi_scan_p2_hdr)) {
1949                                 error = ENOSPC;
1950                                 break;
1951                         }
1952                         p2 = (struct wi_scan_p2_hdr *)wreq.wi_val;
1953                         p2->wi_rsvd = 0;
1954                         p2->wi_reason = n;      /* XXX */
1955                 }
1956                 for (i = 0; i < n; i++, off += reslen) {
1957                         const struct wi_apinfo *ap = &sc->sc_aps[i];
1958
1959                         res = (struct wi_scan_res *)((char *)wreq.wi_val + off);
1960                         res->wi_chan = ap->channel;
1961                         res->wi_noise = ap->noise;
1962                         res->wi_signal = ap->signal;
1963                         IEEE80211_ADDR_COPY(res->wi_bssid, ap->bssid);
1964                         res->wi_interval = ap->interval;
1965                         res->wi_capinfo = ap->capinfo;
1966                         res->wi_ssid_len = ap->namelen;
1967                         memcpy(res->wi_ssid, ap->name,
1968                                 IEEE80211_NWID_LEN);
1969                         if (sc->sc_firmware_type != WI_LUCENT) {
1970                                 /* XXX not saved from Prism cards */
1971                                 memset(res->wi_srates, 0,
1972                                         sizeof(res->wi_srates));
1973                                 res->wi_rate = ap->rate;
1974                                 res->wi_rsvd = 0;
1975                         }
1976                 }
1977                 break;
1978
1979         default:
1980                 if (sc->sc_enabled) {
1981                         error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val,
1982                             &len);
1983                         break;
1984                 }
1985                 switch (wreq.wi_type) {
1986                 case WI_RID_MAX_DATALEN:
1987                         wreq.wi_val[0] = htole16(sc->sc_max_datalen);
1988                         len = sizeof(u_int16_t);
1989                         break;
1990                 case WI_RID_RTS_THRESH:
1991                         wreq.wi_val[0] = htole16(ic->ic_rtsthreshold);
1992                         len = sizeof(u_int16_t);
1993                         break;
1994                 case WI_RID_CNFAUTHMODE:
1995                         wreq.wi_val[0] = htole16(sc->sc_cnfauthmode);
1996                         len = sizeof(u_int16_t);
1997                         break;
1998                 case WI_RID_NODENAME:
1999                         if (len < sc->sc_nodelen + sizeof(u_int16_t)) {
2000                                 error = ENOSPC;
2001                                 break;
2002                         }
2003                         len = sc->sc_nodelen + sizeof(u_int16_t);
2004                         wreq.wi_val[0] = htole16((sc->sc_nodelen + 1) / 2);
2005                         memcpy(&wreq.wi_val[1], sc->sc_nodename,
2006                             sc->sc_nodelen);
2007                         break;
2008                 default:
2009                         return ieee80211_cfgget(ifp, cmd, data, cr);
2010                 }
2011                 break;
2012         }
2013         if (error)
2014                 return error;
2015         wreq.wi_len = (len + 1) / 2 + 1;
2016         return copyout(&wreq, ifr->ifr_data, (wreq.wi_len + 1) * 2);
2017 }
2018
2019 static int
2020 wi_set_cfg(struct ifnet *ifp, u_long cmd, caddr_t data)
2021 {
2022         struct wi_softc *sc = ifp->if_softc;
2023         struct ieee80211com *ic = &sc->sc_ic;
2024         struct ifreq *ifr = (struct ifreq *)data;
2025         struct wi_req wreq;
2026         struct mbuf *m;
2027         int i, len, error, mif, val;
2028         struct ieee80211_rateset *rs;
2029
2030         error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
2031         if (error)
2032                 return error;
2033         len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0;
2034         switch (wreq.wi_type) {
2035         case WI_RID_DBM_ADJUST:
2036                 return ENODEV;
2037
2038         case WI_RID_NODENAME:
2039                 if (le16toh(wreq.wi_val[0]) * 2 > len ||
2040                     le16toh(wreq.wi_val[0]) > sizeof(sc->sc_nodename)) {
2041                         error = ENOSPC;
2042                         break;
2043                 }
2044                 if (sc->sc_enabled) {
2045                         error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val,
2046                             len);
2047                         if (error)
2048                                 break;
2049                 }
2050                 sc->sc_nodelen = le16toh(wreq.wi_val[0]) * 2;
2051                 memcpy(sc->sc_nodename, &wreq.wi_val[1], sc->sc_nodelen);
2052                 break;
2053
2054         case WI_RID_MICROWAVE_OVEN:
2055         case WI_RID_ROAMING_MODE:
2056         case WI_RID_SYSTEM_SCALE:
2057         case WI_RID_FRAG_THRESH:
2058                 if (wreq.wi_type == WI_RID_MICROWAVE_OVEN &&
2059                     (sc->sc_flags & WI_FLAGS_HAS_MOR) == 0)
2060                         break;
2061                 if (wreq.wi_type == WI_RID_ROAMING_MODE &&
2062                     (sc->sc_flags & WI_FLAGS_HAS_ROAMING) == 0)
2063                         break;
2064                 if (wreq.wi_type == WI_RID_SYSTEM_SCALE &&
2065                     (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE) == 0)
2066                         break;
2067                 if (wreq.wi_type == WI_RID_FRAG_THRESH &&
2068                     (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR) == 0)
2069                         break;
2070                 /* FALLTHROUGH */
2071         case WI_RID_RTS_THRESH:
2072         case WI_RID_CNFAUTHMODE:
2073         case WI_RID_MAX_DATALEN:
2074                 if (sc->sc_enabled) {
2075                         error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val,
2076                             sizeof(u_int16_t));
2077                         if (error)
2078                                 break;
2079                 }
2080                 switch (wreq.wi_type) {
2081                 case WI_RID_FRAG_THRESH:
2082                         ic->ic_fragthreshold = le16toh(wreq.wi_val[0]);
2083                         break;
2084                 case WI_RID_RTS_THRESH:
2085                         ic->ic_rtsthreshold = le16toh(wreq.wi_val[0]);
2086                         break;
2087                 case WI_RID_MICROWAVE_OVEN:
2088                         sc->sc_microwave_oven = le16toh(wreq.wi_val[0]);
2089                         break;
2090                 case WI_RID_ROAMING_MODE:
2091                         sc->sc_roaming_mode = le16toh(wreq.wi_val[0]);
2092                         break;
2093                 case WI_RID_SYSTEM_SCALE:
2094                         sc->sc_system_scale = le16toh(wreq.wi_val[0]);
2095                         break;
2096                 case WI_RID_CNFAUTHMODE:
2097                         sc->sc_cnfauthmode = le16toh(wreq.wi_val[0]);
2098                         break;
2099                 case WI_RID_MAX_DATALEN:
2100                         sc->sc_max_datalen = le16toh(wreq.wi_val[0]);
2101                         break;
2102                 }
2103                 break;
2104
2105         case WI_RID_TX_RATE:
2106                 switch (le16toh(wreq.wi_val[0])) {
2107                 case 3:
2108                         ic->ic_fixed_rate = -1;
2109                         break;
2110                 default:
2111                         rs = &ic->ic_sup_rates[IEEE80211_MODE_11B];
2112                         for (i = 0; i < rs->rs_nrates; i++) {
2113                                 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL)
2114                                     / 2 == le16toh(wreq.wi_val[0]))
2115                                         break;
2116                         }
2117                         if (i == rs->rs_nrates)
2118                                 return EINVAL;
2119                         ic->ic_fixed_rate = i;
2120                 }
2121                 if (sc->sc_enabled)
2122                         error = wi_write_txrate(sc);
2123                 break;
2124
2125         case WI_RID_SCAN_APS:
2126                 if (sc->sc_enabled && ic->ic_opmode != IEEE80211_M_HOSTAP)
2127                         error = wi_scan_ap(sc, 0x3fff, 0x000f);
2128                 break;
2129
2130         case WI_RID_SCAN_REQ:           /* compatibility interface */
2131                 if (sc->sc_enabled && ic->ic_opmode != IEEE80211_M_HOSTAP)
2132                         error = wi_scan_ap(sc, wreq.wi_val[0], wreq.wi_val[1]);
2133                 break;
2134
2135         case WI_RID_MGMT_XMIT:
2136                 if (!sc->sc_enabled) {
2137                         error = ENETDOWN;
2138                         break;
2139                 }
2140                 if (ic->ic_mgtq.ifq_len > 5) {
2141                         error = EAGAIN;
2142                         break;
2143                 }
2144                 /* XXX wi_len looks in u_int8_t, not in u_int16_t */
2145                 m = m_devget((char *)&wreq.wi_val, wreq.wi_len, 0, ifp, NULL);
2146                 if (m == NULL) {
2147                         error = ENOMEM;
2148                         break;
2149                 }
2150                 IF_ENQUEUE(&ic->ic_mgtq, m);
2151                 break;
2152
2153         case WI_RID_MIF:
2154                 mif = wreq.wi_val[0];
2155                 val = wreq.wi_val[1];
2156                 error = wi_cmd(sc, WI_CMD_WRITEMIF, mif, val, 0);
2157                 break;
2158
2159         case WI_RID_PROCFRAME:          /* ignore for compatibility */
2160                 break;
2161
2162         case WI_RID_OWN_SSID:
2163                 if (le16toh(wreq.wi_val[0]) * 2 > len ||
2164                     le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) {
2165                         error = ENOSPC;
2166                         break;
2167                 }
2168                 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN);
2169                 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2;
2170                 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen);
2171                 error = ENETRESET;
2172                 break;
2173
2174         default:
2175                 if (sc->sc_enabled) {
2176                         error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val,
2177                             len);
2178                         if (error)
2179                                 break;
2180                 }
2181                 error = ieee80211_cfgset(ifp, cmd, data);
2182                 break;
2183         }
2184         return error;
2185 }
2186
2187 static int
2188 wi_write_txrate(struct wi_softc *sc)
2189 {
2190         struct ieee80211com *ic = &sc->sc_ic;
2191         int i;
2192         u_int16_t rate;
2193
2194         if (ic->ic_fixed_rate < 0)
2195                 rate = 0;       /* auto */
2196         else
2197                 rate = (ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[ic->ic_fixed_rate] &
2198                     IEEE80211_RATE_VAL) / 2;
2199
2200         /* rate: 0, 1, 2, 5, 11 */
2201
2202         switch (sc->sc_firmware_type) {
2203         case WI_LUCENT:
2204                 switch (rate) {
2205                 case 0:                 /* auto == 11mbps auto */
2206                         rate = 3;
2207                         break;
2208                 /* case 1, 2 map to 1, 2*/
2209                 case 5:                 /* 5.5Mbps -> 4 */
2210                         rate = 4;
2211                         break;
2212                 case 11:                /* 11mbps -> 5 */
2213                         rate = 5;
2214                         break;
2215                 default:
2216                         break;
2217                 }
2218                 break;
2219         default:
2220                 /* Choose a bit according to this table.
2221                  *
2222                  * bit | data rate
2223                  * ----+-------------------
2224                  * 0   | 1Mbps
2225                  * 1   | 2Mbps
2226                  * 2   | 5.5Mbps
2227                  * 3   | 11Mbps
2228                  */
2229                 for (i = 8; i > 0; i >>= 1) {
2230                         if (rate >= i)
2231                                 break;
2232                 }
2233                 if (i == 0)
2234                         rate = 0xf;     /* auto */
2235                 else
2236                         rate = i;
2237                 break;
2238         }
2239         return wi_write_val(sc, WI_RID_TX_RATE, rate);
2240 }
2241
2242 static int
2243 wi_write_wep(struct wi_softc *sc)
2244 {
2245         struct ieee80211com *ic = &sc->sc_ic;
2246         int error = 0;
2247         int i, keylen;
2248         u_int16_t val;
2249         struct wi_key wkey[IEEE80211_WEP_NKID];
2250
2251         switch (sc->sc_firmware_type) {
2252         case WI_LUCENT:
2253                 val = (ic->ic_flags & IEEE80211_F_WEPON) ? 1 : 0;
2254                 error = wi_write_val(sc, WI_RID_ENCRYPTION, val);
2255                 if (error)
2256                         break;
2257                 error = wi_write_val(sc, WI_RID_TX_CRYPT_KEY, ic->ic_wep_txkey);
2258                 if (error)
2259                         break;
2260                 memset(wkey, 0, sizeof(wkey));
2261                 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
2262                         keylen = ic->ic_nw_keys[i].wk_len;
2263                         wkey[i].wi_keylen = htole16(keylen);
2264                         memcpy(wkey[i].wi_keydat, ic->ic_nw_keys[i].wk_key,
2265                             keylen);
2266                 }
2267                 error = wi_write_rid(sc, WI_RID_DEFLT_CRYPT_KEYS,
2268                     wkey, sizeof(wkey));
2269                 break;
2270
2271         case WI_INTERSIL:
2272         case WI_SYMBOL:
2273                 if (ic->ic_flags & IEEE80211_F_WEPON) {
2274                         /*
2275                          * ONLY HWB3163 EVAL-CARD Firmware version
2276                          * less than 0.8 variant2
2277                          *
2278                          *   If promiscuous mode disable, Prism2 chip
2279                          *  does not work with WEP .
2280                          * It is under investigation for details.
2281                          * (ichiro@netbsd.org)
2282                          */
2283                         if (sc->sc_firmware_type == WI_INTERSIL &&
2284                             sc->sc_sta_firmware_ver < 802 ) {
2285                                 /* firm ver < 0.8 variant 2 */
2286                                 wi_write_val(sc, WI_RID_PROMISC, 1);
2287                         }
2288                         wi_write_val(sc, WI_RID_CNFAUTHMODE,
2289                             sc->sc_cnfauthmode);
2290                         val = PRIVACY_INVOKED | EXCLUDE_UNENCRYPTED;
2291                         /*
2292                          * Encryption firmware has a bug for HostAP mode.
2293                          */
2294                         if (sc->sc_firmware_type == WI_INTERSIL &&
2295                             ic->ic_opmode == IEEE80211_M_HOSTAP)
2296                                 val |= HOST_ENCRYPT;
2297                 } else {
2298                         wi_write_val(sc, WI_RID_CNFAUTHMODE,
2299                             IEEE80211_AUTH_OPEN);
2300                         val = HOST_ENCRYPT | HOST_DECRYPT;
2301                 }
2302                 error = wi_write_val(sc, WI_RID_P2_ENCRYPTION, val);
2303                 if (error)
2304                         break;
2305                 error = wi_write_val(sc, WI_RID_P2_TX_CRYPT_KEY,
2306                     ic->ic_wep_txkey);
2307                 if (error)
2308                         break;
2309                 /*
2310                  * It seems that the firmware accept 104bit key only if
2311                  * all the keys have 104bit length.  We get the length of
2312                  * the transmit key and use it for all other keys.
2313                  * Perhaps we should use software WEP for such situation.
2314                  */
2315                 keylen = ic->ic_nw_keys[ic->ic_wep_txkey].wk_len;
2316                 if (keylen > IEEE80211_WEP_KEYLEN)
2317                         keylen = 13;    /* 104bit keys */
2318                 else
2319                         keylen = IEEE80211_WEP_KEYLEN;
2320                 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
2321                         error = wi_write_rid(sc, WI_RID_P2_CRYPT_KEY0 + i,
2322                             ic->ic_nw_keys[i].wk_key, keylen);
2323                         if (error)
2324                                 break;
2325                 }
2326                 break;
2327         }
2328         return error;
2329 }
2330
2331 static int
2332 wi_cmd(struct wi_softc *sc, int cmd, int val0, int val1, int val2)
2333 {
2334         int                     i, s = 0;
2335         static volatile int count  = 0;
2336
2337         if (sc->wi_gone)
2338                 return (ENODEV);
2339
2340         if (count > 0)
2341                 panic("Hey partner, hold on there!");
2342         count++;
2343
2344         /* wait for the busy bit to clear */
2345         for (i = sc->wi_cmd_count; i > 0; i--) {        /* 500ms */
2346                 if (!(CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY))
2347                         break;
2348                 DELAY(1*1000);  /* 1ms */
2349         }
2350         if (i == 0) {
2351                 if_printf(&sc->sc_ic.ic_if, "wi_cmd: busy bit won't clear.\n" );
2352                 sc->wi_gone = 1;
2353                 count--;
2354                 return(ETIMEDOUT);
2355         }
2356
2357         CSR_WRITE_2(sc, WI_PARAM0, val0);
2358         CSR_WRITE_2(sc, WI_PARAM1, val1);
2359         CSR_WRITE_2(sc, WI_PARAM2, val2);
2360         CSR_WRITE_2(sc, WI_COMMAND, cmd);
2361
2362         if (cmd == WI_CMD_INI) {
2363                 /* XXX: should sleep here. */
2364                 DELAY(100*1000);                /* 100ms delay for init */
2365         }
2366         for (i = 0; i < WI_TIMEOUT; i++) {
2367                 /*
2368                  * Wait for 'command complete' bit to be
2369                  * set in the event status register.
2370                  */
2371                 s = CSR_READ_2(sc, WI_EVENT_STAT);
2372                 if (s & WI_EV_CMD) {
2373                         /* Ack the event and read result code. */
2374                         s = CSR_READ_2(sc, WI_STATUS);
2375                         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD);
2376                         if (s & WI_STAT_CMD_RESULT) {
2377                                 count--;
2378                                 return(EIO);
2379                         }
2380                         break;
2381                 }
2382                 DELAY(WI_DELAY);
2383         }
2384
2385         count--;
2386         if (i == WI_TIMEOUT) {
2387                 if_printf(&sc->sc_ic.ic_if,
2388                     "timeout in wi_cmd 0x%04x; event status 0x%04x\n", cmd, s);
2389                 if (s == 0xffff)
2390                         sc->wi_gone = 1;
2391                 return(ETIMEDOUT);
2392         }
2393         return (0);
2394 }
2395
2396 static int
2397 wi_seek_bap(struct wi_softc *sc, int id, int off)
2398 {
2399         int i, status;
2400
2401         CSR_WRITE_2(sc, WI_SEL0, id);
2402         CSR_WRITE_2(sc, WI_OFF0, off);
2403
2404         for (i = 0; ; i++) {
2405                 status = CSR_READ_2(sc, WI_OFF0);
2406                 if ((status & WI_OFF_BUSY) == 0)
2407                         break;
2408                 if (i == WI_TIMEOUT) {
2409                         if_printf(&sc->sc_ic.ic_if,
2410                                   "timeout in wi_seek to %x/%x\n", id, off);
2411                         sc->sc_bap_off = WI_OFF_ERR;    /* invalidate */
2412                         if (status == 0xffff)
2413                                 sc->wi_gone = 1;
2414                         return ETIMEDOUT;
2415                 }
2416                 DELAY(1);
2417         }
2418         if (status & WI_OFF_ERR) {
2419                 if_printf(&sc->sc_ic.ic_if, "failed in wi_seek to %x/%x\n",
2420                           id, off);
2421                 sc->sc_bap_off = WI_OFF_ERR;    /* invalidate */
2422                 return EIO;
2423         }
2424         sc->sc_bap_id = id;
2425         sc->sc_bap_off = off;
2426         return 0;
2427 }
2428
2429 static int
2430 wi_read_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen)
2431 {
2432         u_int16_t *ptr;
2433         int i, error, cnt;
2434
2435         if (buflen == 0)
2436                 return 0;
2437         if (id != sc->sc_bap_id || off != sc->sc_bap_off) {
2438                 if ((error = wi_seek_bap(sc, id, off)) != 0)
2439                         return error;
2440         }
2441         cnt = (buflen + 1) / 2;
2442         ptr = (u_int16_t *)buf;
2443         for (i = 0; i < cnt; i++)
2444                 *ptr++ = CSR_READ_2(sc, WI_DATA0);
2445         sc->sc_bap_off += cnt * 2;
2446         return 0;
2447 }
2448
2449 static int
2450 wi_write_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen)
2451 {
2452         u_int16_t *ptr;
2453         int i, error, cnt;
2454
2455         if (buflen == 0)
2456                 return 0;
2457
2458 #ifdef WI_HERMES_AUTOINC_WAR
2459   again:
2460 #endif
2461         if (id != sc->sc_bap_id || off != sc->sc_bap_off) {
2462                 if ((error = wi_seek_bap(sc, id, off)) != 0)
2463                         return error;
2464         }
2465         cnt = (buflen + 1) / 2;
2466         ptr = (u_int16_t *)buf;
2467         for (i = 0; i < cnt; i++)
2468                 CSR_WRITE_2(sc, WI_DATA0, ptr[i]);
2469         sc->sc_bap_off += cnt * 2;
2470
2471 #ifdef WI_HERMES_AUTOINC_WAR
2472         /*
2473          * According to the comments in the HCF Light code, there is a bug
2474          * in the Hermes (or possibly in certain Hermes firmware revisions)
2475          * where the chip's internal autoincrement counter gets thrown off
2476          * during data writes:  the autoincrement is missed, causing one
2477          * data word to be overwritten and subsequent words to be written to
2478          * the wrong memory locations. The end result is that we could end
2479          * up transmitting bogus frames without realizing it. The workaround
2480          * for this is to write a couple of extra guard words after the end
2481          * of the transfer, then attempt to read then back. If we fail to
2482          * locate the guard words where we expect them, we preform the
2483          * transfer over again.
2484          */
2485         if ((sc->sc_flags & WI_FLAGS_BUG_AUTOINC) && (id & 0xf000) == 0) {
2486                 CSR_WRITE_2(sc, WI_DATA0, 0x1234);
2487                 CSR_WRITE_2(sc, WI_DATA0, 0x5678);
2488                 wi_seek_bap(sc, id, sc->sc_bap_off);
2489                 sc->sc_bap_off = WI_OFF_ERR;    /* invalidate */
2490                 if (CSR_READ_2(sc, WI_DATA0) != 0x1234 ||
2491                     CSR_READ_2(sc, WI_DATA0) != 0x5678) {
2492                         if_printf(&sc->sc_ic.ic_if,
2493                                   "detect auto increment bug, try again\n");
2494                         goto again;
2495                 }
2496         }
2497 #endif
2498         return 0;
2499 }
2500
2501 static int
2502 wi_mwrite_bap(struct wi_softc *sc, int id, int off, struct mbuf *m0, int totlen)
2503 {
2504         int error, len;
2505         struct mbuf *m;
2506
2507         for (m = m0; m != NULL && totlen > 0; m = m->m_next) {
2508                 if (m->m_len == 0)
2509                         continue;
2510
2511                 len = min(m->m_len, totlen);
2512
2513                 if (((u_long)m->m_data) % 2 != 0 || len % 2 != 0) {
2514                         m_copydata(m, 0, totlen, (caddr_t)&sc->sc_txbuf);
2515                         return wi_write_bap(sc, id, off, (caddr_t)&sc->sc_txbuf,
2516                             totlen);
2517                 }
2518
2519                 if ((error = wi_write_bap(sc, id, off, m->m_data, len)) != 0)
2520                         return error;
2521
2522                 off += m->m_len;
2523                 totlen -= len;
2524         }
2525         return 0;
2526 }
2527
2528 static int
2529 wi_alloc_fid(struct wi_softc *sc, int len, int *idp)
2530 {
2531         int i;
2532
2533         if (wi_cmd(sc, WI_CMD_ALLOC_MEM, len, 0, 0)) {
2534                 if_printf(&sc->sc_ic.ic_if,
2535                           "failed to allocate %d bytes on NIC\n", len);
2536                 return ENOMEM;
2537         }
2538
2539         for (i = 0; i < WI_TIMEOUT; i++) {
2540                 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_ALLOC)
2541                         break;
2542                 if (i == WI_TIMEOUT) {
2543                         if_printf(&sc->sc_ic.ic_if, "timeout in alloc\n");
2544                         return ETIMEDOUT;
2545                 }
2546                 DELAY(1);
2547         }
2548         *idp = CSR_READ_2(sc, WI_ALLOC_FID);
2549         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC);
2550         return 0;
2551 }
2552
2553 static int
2554 wi_read_rid(struct wi_softc *sc, int rid, void *buf, int *buflenp)
2555 {
2556         int error, len;
2557         u_int16_t ltbuf[2];
2558
2559         /* Tell the NIC to enter record read mode. */
2560         error = wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_READ, rid, 0, 0);
2561         if (error)
2562                 return error;
2563
2564         error = wi_read_bap(sc, rid, 0, ltbuf, sizeof(ltbuf));
2565         if (error)
2566                 return error;
2567
2568         if (le16toh(ltbuf[1]) != rid) {
2569                 if_printf(&sc->sc_ic.ic_if,
2570                           "record read mismatch, rid=%x, got=%x\n",
2571                           rid, le16toh(ltbuf[1]));
2572                 return EIO;
2573         }
2574         len = (le16toh(ltbuf[0]) - 1) * 2;       /* already got rid */
2575         if (*buflenp < len) {
2576                 if_printf(&sc->sc_ic.ic_if, "record buffer is too small, "
2577                           "rid=%x, size=%d, len=%d\n", rid, *buflenp, len);
2578                 return ENOSPC;
2579         }
2580         *buflenp = len;
2581         return wi_read_bap(sc, rid, sizeof(ltbuf), buf, len);
2582 }
2583
2584 static int
2585 wi_write_rid(struct wi_softc *sc, int rid, void *buf, int buflen)
2586 {
2587         int error;
2588         u_int16_t ltbuf[2];
2589
2590         ltbuf[0] = htole16((buflen + 1) / 2 + 1);        /* includes rid */
2591         ltbuf[1] = htole16(rid);
2592
2593         error = wi_write_bap(sc, rid, 0, ltbuf, sizeof(ltbuf));
2594         if (error)
2595                 return error;
2596         error = wi_write_bap(sc, rid, sizeof(ltbuf), buf, buflen);
2597         if (error)
2598                 return error;
2599
2600         return wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_WRITE, rid, 0, 0);
2601 }
2602
2603 static int
2604 wi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
2605 {
2606         struct ifnet *ifp = &ic->ic_if;
2607         struct wi_softc *sc = ifp->if_softc;
2608         struct ieee80211_node *ni = ic->ic_bss;
2609         int buflen;
2610         u_int16_t val;
2611         struct wi_ssid ssid;
2612         u_int8_t old_bssid[IEEE80211_ADDR_LEN];
2613
2614         DPRINTF((ifp, "%s: %s -> %s\n", __func__,
2615                 ieee80211_state_name[ic->ic_state],
2616                 ieee80211_state_name[nstate]));
2617
2618         switch (nstate) {
2619         case IEEE80211_S_INIT:
2620                 ic->ic_flags &= ~IEEE80211_F_SIBSS;
2621                 sc->sc_flags &= ~WI_FLAGS_OUTRANGE;
2622                 return (*sc->sc_newstate)(ic, nstate, arg);
2623
2624         case IEEE80211_S_RUN:
2625                 sc->sc_flags &= ~WI_FLAGS_OUTRANGE;
2626                 buflen = IEEE80211_ADDR_LEN;
2627                 wi_read_rid(sc, WI_RID_CURRENT_BSSID, ni->ni_bssid, &buflen);
2628                 IEEE80211_ADDR_COPY(ni->ni_macaddr, ni->ni_bssid);
2629                 buflen = sizeof(val);
2630                 wi_read_rid(sc, WI_RID_CURRENT_CHAN, &val, &buflen);
2631                 /* XXX validate channel */
2632                 ni->ni_chan = &ic->ic_channels[le16toh(val)];
2633                 sc->sc_tx_th.wt_chan_freq = sc->sc_rx_th.wr_chan_freq =
2634                         htole16(ni->ni_chan->ic_freq);
2635                 sc->sc_tx_th.wt_chan_flags = sc->sc_rx_th.wr_chan_flags =
2636                         htole16(ni->ni_chan->ic_flags);
2637
2638                 if (IEEE80211_ADDR_EQ(old_bssid, ni->ni_bssid))
2639                         sc->sc_false_syns++;
2640                 else
2641                         sc->sc_false_syns = 0;
2642
2643                 if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
2644                         ni->ni_esslen = ic->ic_des_esslen;
2645                         memcpy(ni->ni_essid, ic->ic_des_essid, ni->ni_esslen);
2646                         ni->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11B];
2647                         ni->ni_intval = ic->ic_lintval;
2648                         ni->ni_capinfo = IEEE80211_CAPINFO_ESS;
2649                         if (ic->ic_flags & IEEE80211_F_WEPON)
2650                                 ni->ni_capinfo |= IEEE80211_CAPINFO_PRIVACY;
2651                 } else {
2652                         /* XXX check return value */
2653                         buflen = sizeof(ssid);
2654                         wi_read_rid(sc, WI_RID_CURRENT_SSID, &ssid, &buflen);
2655                         ni->ni_esslen = le16toh(ssid.wi_len);
2656                         if (ni->ni_esslen > IEEE80211_NWID_LEN)
2657                                 ni->ni_esslen = IEEE80211_NWID_LEN;     /*XXX*/
2658                         memcpy(ni->ni_essid, ssid.wi_ssid, ni->ni_esslen);
2659                 }
2660                 break;
2661
2662         case IEEE80211_S_SCAN:
2663         case IEEE80211_S_AUTH:
2664         case IEEE80211_S_ASSOC:
2665                 break;
2666         }
2667
2668         ic->ic_state = nstate;          /* NB: skip normal ieee80211 handling */
2669         return 0;
2670 }
2671
2672 static int
2673 wi_scan_ap(struct wi_softc *sc, u_int16_t chanmask, u_int16_t txrate)
2674 {
2675         int error = 0;
2676         u_int16_t val[2];
2677
2678         if (!sc->sc_enabled)
2679                 return ENXIO;
2680         switch (sc->sc_firmware_type) {
2681         case WI_LUCENT:
2682                 (void)wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_SCAN_RESULTS, 0, 0);
2683                 break;
2684         case WI_INTERSIL:
2685                 val[0] = chanmask;      /* channel */
2686                 val[1] = txrate;        /* tx rate */
2687                 error = wi_write_rid(sc, WI_RID_SCAN_REQ, val, sizeof(val));
2688                 break;
2689         case WI_SYMBOL:
2690                 /*
2691                  * XXX only supported on 3.x ?
2692                  */
2693                 val[0] = BSCAN_BCAST | BSCAN_ONETIME;
2694                 error = wi_write_rid(sc, WI_RID_BCAST_SCAN_REQ,
2695                     val, sizeof(val[0]));
2696                 break;
2697         }
2698         if (error == 0) {
2699                 sc->sc_scan_timer = WI_SCAN_WAIT;
2700                 sc->sc_ic.ic_if.if_timer = 1;
2701                 DPRINTF((&sc->sc_ic.ic_if, "wi_scan_ap: start scanning, "
2702                         "chamask 0x%x txrate 0x%x\n", chanmask, txrate));
2703         }
2704         return error;
2705 }
2706
2707 static void
2708 wi_scan_result(struct wi_softc *sc, int fid, int cnt)
2709 {
2710 #define N(a)    (sizeof (a) / sizeof (a[0]))
2711         int i, naps, off, szbuf;
2712         struct wi_scan_header ws_hdr;   /* Prism2 header */
2713         struct wi_scan_data_p2 ws_dat;  /* Prism2 scantable*/
2714         struct wi_apinfo *ap;
2715
2716         off = sizeof(u_int16_t) * 2;
2717         memset(&ws_hdr, 0, sizeof(ws_hdr));
2718         switch (sc->sc_firmware_type) {
2719         case WI_INTERSIL:
2720                 wi_read_bap(sc, fid, off, &ws_hdr, sizeof(ws_hdr));
2721                 off += sizeof(ws_hdr);
2722                 szbuf = sizeof(struct wi_scan_data_p2);
2723                 break;
2724         case WI_SYMBOL:
2725                 szbuf = sizeof(struct wi_scan_data_p2) + 6;
2726                 break;
2727         case WI_LUCENT:
2728                 szbuf = sizeof(struct wi_scan_data);
2729                 break;
2730         default:
2731                 if_printf(&sc->sc_ic.ic_if,
2732                           "wi_scan_result: unknown firmware type %u\n",
2733                           sc->sc_firmware_type);
2734                 naps = 0;
2735                 goto done;
2736         }
2737         naps = (cnt * 2 + 2 - off) / szbuf;
2738         if (naps > N(sc->sc_aps))
2739                 naps = N(sc->sc_aps);
2740         sc->sc_naps = naps;
2741         /* Read Data */
2742         ap = sc->sc_aps;
2743         memset(&ws_dat, 0, sizeof(ws_dat));
2744         for (i = 0; i < naps; i++, ap++) {
2745                 wi_read_bap(sc, fid, off, &ws_dat,
2746                     (sizeof(ws_dat) < szbuf ? sizeof(ws_dat) : szbuf));
2747                 DPRINTF2((&sc->sc_ic.ic_if,
2748                           "wi_scan_result: #%d: off %d bssid %6D\n",
2749                           i, off, ws_dat.wi_bssid, ":"));
2750                 off += szbuf;
2751                 ap->scanreason = le16toh(ws_hdr.wi_reason);
2752                 memcpy(ap->bssid, ws_dat.wi_bssid, sizeof(ap->bssid));
2753                 ap->channel = le16toh(ws_dat.wi_chid);
2754                 ap->signal  = le16toh(ws_dat.wi_signal);
2755                 ap->noise   = le16toh(ws_dat.wi_noise);
2756                 ap->quality = ap->signal - ap->noise;
2757                 ap->capinfo = le16toh(ws_dat.wi_capinfo);
2758                 ap->interval = le16toh(ws_dat.wi_interval);
2759                 ap->rate    = le16toh(ws_dat.wi_rate);
2760                 ap->namelen = le16toh(ws_dat.wi_namelen);
2761                 if (ap->namelen > sizeof(ap->name))
2762                         ap->namelen = sizeof(ap->name);
2763                 memcpy(ap->name, ws_dat.wi_name, ap->namelen);
2764         }
2765 done:
2766         /* Done scanning */
2767         sc->sc_scan_timer = 0;
2768         DPRINTF((&sc->sc_ic.ic_if, "wi_scan_result: scan complete: ap %d\n",
2769                  naps));
2770 #undef N
2771 }
2772
2773 static void
2774 wi_dump_pkt(struct wi_frame *wh, struct ieee80211_node *ni, int rssi)
2775 {
2776         ieee80211_dump_pkt((u_int8_t *) &wh->wi_whdr, sizeof(wh->wi_whdr),
2777             ni ? ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL : -1, rssi);
2778         printf(" status 0x%x rx_tstamp1 %u rx_tstamp0 0x%u rx_silence %u\n",
2779                 le16toh(wh->wi_status), le16toh(wh->wi_rx_tstamp1),
2780                 le16toh(wh->wi_rx_tstamp0), wh->wi_rx_silence);
2781         printf(" rx_signal %u rx_rate %u rx_flow %u\n",
2782                 wh->wi_rx_signal, wh->wi_rx_rate, wh->wi_rx_flow);
2783         printf(" tx_rtry %u tx_rate %u tx_ctl 0x%x dat_len %u\n",
2784                 wh->wi_tx_rtry, wh->wi_tx_rate,
2785                 le16toh(wh->wi_tx_ctl), le16toh(wh->wi_dat_len));
2786         printf(" ehdr dst %6D src %6D type 0x%x\n",
2787                 wh->wi_ehdr.ether_dhost, ":", wh->wi_ehdr.ether_shost, ":",
2788                 wh->wi_ehdr.ether_type);
2789 }
2790
2791 int
2792 wi_alloc(device_t dev, int rid)
2793 {
2794         struct wi_softc *sc = device_get_softc(dev);
2795
2796         if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) {
2797                 sc->iobase_rid = rid;
2798                 sc->iobase = bus_alloc_resource(dev, SYS_RES_IOPORT,
2799                     &sc->iobase_rid, 0, ~0, (1 << 6),
2800                     rman_make_alignment_flags(1 << 6) | RF_ACTIVE);
2801                 if (!sc->iobase) {
2802                         device_printf(dev, "No I/O space?!\n");
2803                         return (ENXIO);
2804                 }
2805
2806                 sc->wi_io_addr = rman_get_start(sc->iobase);
2807                 sc->wi_btag = rman_get_bustag(sc->iobase);
2808                 sc->wi_bhandle = rman_get_bushandle(sc->iobase);
2809         } else {
2810                 sc->mem_rid = rid;
2811                 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
2812                     &sc->mem_rid, RF_ACTIVE);
2813
2814                 if (!sc->mem) {
2815                         device_printf(dev, "No Mem space on prism2.5?\n");
2816                         return (ENXIO);
2817                 }
2818
2819                 sc->wi_btag = rman_get_bustag(sc->mem);
2820                 sc->wi_bhandle = rman_get_bushandle(sc->mem);
2821         }
2822
2823
2824         sc->irq_rid = 0;
2825         sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
2826             RF_ACTIVE |
2827             ((sc->wi_bus_type == WI_BUS_PCCARD) ? 0 : RF_SHAREABLE));
2828
2829         if (!sc->irq) {
2830                 wi_free(dev);
2831                 device_printf(dev, "No irq?!\n");
2832                 return (ENXIO);
2833         }
2834
2835         return (0);
2836 }
2837
2838 void
2839 wi_free(device_t dev)
2840 {
2841         struct wi_softc *sc = device_get_softc(dev);
2842
2843         if (sc->wi_intrhand != NULL) {
2844                 bus_teardown_intr(dev, sc->irq, sc->wi_intrhand);
2845                 sc->wi_intrhand = NULL;
2846         }
2847         if (sc->iobase != NULL) {
2848                 bus_release_resource(dev, SYS_RES_IOPORT, sc->iobase_rid, sc->iobase);
2849                 sc->iobase = NULL;
2850         }
2851         if (sc->irq != NULL) {
2852                 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
2853                 sc->irq = NULL;
2854         }
2855         if (sc->mem != NULL) {
2856                 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
2857                 sc->mem = NULL;
2858         }
2859 }
2860
2861 static int
2862 wi_get_debug(struct wi_softc *sc, struct wi_req *wreq)
2863 {
2864         int error = 0;
2865
2866         wreq->wi_len = 1;
2867
2868         switch (wreq->wi_type) {
2869         case WI_DEBUG_SLEEP:
2870                 wreq->wi_len++;
2871                 wreq->wi_val[0] = sc->wi_debug.wi_sleep;
2872                 break;
2873         case WI_DEBUG_DELAYSUPP:
2874                 wreq->wi_len++;
2875                 wreq->wi_val[0] = sc->wi_debug.wi_delaysupp;
2876                 break;
2877         case WI_DEBUG_TXSUPP:
2878                 wreq->wi_len++;
2879                 wreq->wi_val[0] = sc->wi_debug.wi_txsupp;
2880                 break;
2881         case WI_DEBUG_MONITOR:
2882                 wreq->wi_len++;
2883                 wreq->wi_val[0] = sc->wi_debug.wi_monitor;
2884                 break;
2885         case WI_DEBUG_LEDTEST:
2886                 wreq->wi_len += 3;
2887                 wreq->wi_val[0] = sc->wi_debug.wi_ledtest;
2888                 wreq->wi_val[1] = sc->wi_debug.wi_ledtest_param0;
2889                 wreq->wi_val[2] = sc->wi_debug.wi_ledtest_param1;
2890                 break;
2891         case WI_DEBUG_CONTTX:
2892                 wreq->wi_len += 2;
2893                 wreq->wi_val[0] = sc->wi_debug.wi_conttx;
2894                 wreq->wi_val[1] = sc->wi_debug.wi_conttx_param0;
2895                 break;
2896         case WI_DEBUG_CONTRX:
2897                 wreq->wi_len++;
2898                 wreq->wi_val[0] = sc->wi_debug.wi_contrx;
2899                 break;
2900         case WI_DEBUG_SIGSTATE:
2901                 wreq->wi_len += 2;
2902                 wreq->wi_val[0] = sc->wi_debug.wi_sigstate;
2903                 wreq->wi_val[1] = sc->wi_debug.wi_sigstate_param0;
2904                 break;
2905         case WI_DEBUG_CONFBITS:
2906                 wreq->wi_len += 2;
2907                 wreq->wi_val[0] = sc->wi_debug.wi_confbits;
2908                 wreq->wi_val[1] = sc->wi_debug.wi_confbits_param0;
2909                 break;
2910         default:
2911                 error = EIO;
2912                 break;
2913         }
2914
2915         return (error);
2916 }
2917
2918 static int
2919 wi_set_debug(struct wi_softc *sc, struct wi_req *wreq)
2920 {
2921         int error = 0;
2922         u_int16_t               cmd, param0 = 0, param1 = 0;
2923
2924         switch (wreq->wi_type) {
2925         case WI_DEBUG_RESET:
2926         case WI_DEBUG_INIT:
2927         case WI_DEBUG_CALENABLE:
2928                 break;
2929         case WI_DEBUG_SLEEP:
2930                 sc->wi_debug.wi_sleep = 1;
2931                 break;
2932         case WI_DEBUG_WAKE:
2933                 sc->wi_debug.wi_sleep = 0;
2934                 break;
2935         case WI_DEBUG_CHAN:
2936                 param0 = wreq->wi_val[0];
2937                 break;
2938         case WI_DEBUG_DELAYSUPP:
2939                 sc->wi_debug.wi_delaysupp = 1;
2940                 break;
2941         case WI_DEBUG_TXSUPP:
2942                 sc->wi_debug.wi_txsupp = 1;
2943                 break;
2944         case WI_DEBUG_MONITOR:
2945                 sc->wi_debug.wi_monitor = 1;
2946                 break;
2947         case WI_DEBUG_LEDTEST:
2948                 param0 = wreq->wi_val[0];
2949                 param1 = wreq->wi_val[1];
2950                 sc->wi_debug.wi_ledtest = 1;
2951                 sc->wi_debug.wi_ledtest_param0 = param0;
2952                 sc->wi_debug.wi_ledtest_param1 = param1;
2953                 break;
2954         case WI_DEBUG_CONTTX:
2955                 param0 = wreq->wi_val[0];
2956                 sc->wi_debug.wi_conttx = 1;
2957                 sc->wi_debug.wi_conttx_param0 = param0;
2958                 break;
2959         case WI_DEBUG_STOPTEST:
2960                 sc->wi_debug.wi_delaysupp = 0;
2961                 sc->wi_debug.wi_txsupp = 0;
2962                 sc->wi_debug.wi_monitor = 0;
2963                 sc->wi_debug.wi_ledtest = 0;
2964                 sc->wi_debug.wi_ledtest_param0 = 0;
2965                 sc->wi_debug.wi_ledtest_param1 = 0;
2966                 sc->wi_debug.wi_conttx = 0;
2967                 sc->wi_debug.wi_conttx_param0 = 0;
2968                 sc->wi_debug.wi_contrx = 0;
2969                 sc->wi_debug.wi_sigstate = 0;
2970                 sc->wi_debug.wi_sigstate_param0 = 0;
2971                 break;
2972         case WI_DEBUG_CONTRX:
2973                 sc->wi_debug.wi_contrx = 1;
2974                 break;
2975         case WI_DEBUG_SIGSTATE:
2976                 param0 = wreq->wi_val[0];
2977                 sc->wi_debug.wi_sigstate = 1;
2978                 sc->wi_debug.wi_sigstate_param0 = param0;
2979                 break;
2980         case WI_DEBUG_CONFBITS:
2981                 param0 = wreq->wi_val[0];
2982                 param1 = wreq->wi_val[1];
2983                 sc->wi_debug.wi_confbits = param0;
2984                 sc->wi_debug.wi_confbits_param0 = param1;
2985                 break;
2986         default:
2987                 error = EIO;
2988                 break;
2989         }
2990
2991         if (error)
2992                 return (error);
2993
2994         cmd = WI_CMD_DEBUG | (wreq->wi_type << 8);
2995         error = wi_cmd(sc, cmd, param0, param1, 0);
2996
2997         return (error);
2998 }
2999
3000 /*
3001  * Special routines to download firmware for Symbol CF card.
3002  * XXX: This should be modified generic into any PRISM-2 based card.
3003  */
3004
3005 #define WI_SBCF_PDIADDR         0x3100
3006
3007 /* unaligned load little endian */
3008 #define GETLE32(p)      ((p)[0] | ((p)[1]<<8) | ((p)[2]<<16) | ((p)[3]<<24))
3009 #define GETLE16(p)      ((p)[0] | ((p)[1]<<8))
3010
3011 int
3012 wi_symbol_load_firm(struct wi_softc *sc, const void *primsym, int primlen,
3013     const void *secsym, int seclen)
3014 {
3015         uint8_t ebuf[256];
3016         int i;
3017
3018         /* load primary code and run it */
3019         wi_symbol_set_hcr(sc, WI_HCR_EEHOLD);
3020         if (wi_symbol_write_firm(sc, primsym, primlen, NULL, 0))
3021                 return EIO;
3022         wi_symbol_set_hcr(sc, WI_HCR_RUN);
3023         for (i = 0; ; i++) {
3024                 if (i == 10)
3025                         return ETIMEDOUT;
3026                 tsleep(sc, 0, "wiinit", 1);
3027                 if (CSR_READ_2(sc, WI_CNTL) == WI_CNTL_AUX_ENA_STAT)
3028                         break;
3029                 /* write the magic key value to unlock aux port */
3030                 CSR_WRITE_2(sc, WI_PARAM0, WI_AUX_KEY0);
3031                 CSR_WRITE_2(sc, WI_PARAM1, WI_AUX_KEY1);
3032                 CSR_WRITE_2(sc, WI_PARAM2, WI_AUX_KEY2);
3033                 CSR_WRITE_2(sc, WI_CNTL, WI_CNTL_AUX_ENA_CNTL);
3034         }
3035
3036         /* issue read EEPROM command: XXX copied from wi_cmd() */
3037         CSR_WRITE_2(sc, WI_PARAM0, 0);
3038         CSR_WRITE_2(sc, WI_PARAM1, 0);
3039         CSR_WRITE_2(sc, WI_PARAM2, 0);
3040         CSR_WRITE_2(sc, WI_COMMAND, WI_CMD_READEE);
3041         for (i = 0; i < WI_TIMEOUT; i++) {
3042                 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD)
3043                         break;
3044                 DELAY(1);
3045         }
3046         CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD);
3047
3048         CSR_WRITE_2(sc, WI_AUX_PAGE, WI_SBCF_PDIADDR / WI_AUX_PGSZ);
3049         CSR_WRITE_2(sc, WI_AUX_OFFSET, WI_SBCF_PDIADDR % WI_AUX_PGSZ);
3050         CSR_READ_MULTI_STREAM_2(sc, WI_AUX_DATA,
3051             (uint16_t *)ebuf, sizeof(ebuf) / 2);
3052         if (GETLE16(ebuf) > sizeof(ebuf))
3053                 return EIO;
3054         if (wi_symbol_write_firm(sc, secsym, seclen, ebuf + 4, GETLE16(ebuf)))
3055                 return EIO;
3056         return 0;
3057 }
3058
3059 static int
3060 wi_symbol_write_firm(struct wi_softc *sc, const void *buf, int buflen,
3061     const void *ebuf, int ebuflen)
3062 {
3063         const uint8_t *p, *ep, *q, *eq;
3064         char *tp;
3065         uint32_t addr, id, eid;
3066         int i, len, elen, nblk, pdrlen;
3067
3068         /*
3069          * Parse the header of the firmware image.
3070          */
3071         p = buf;
3072         ep = p + buflen;
3073         while (p < ep && *p++ != ' ');  /* FILE: */
3074         while (p < ep && *p++ != ' ');  /* filename */
3075         while (p < ep && *p++ != ' ');  /* type of the firmware */
3076         nblk = strtoul(p, &tp, 10);
3077         p = tp;
3078         pdrlen = strtoul(p + 1, &tp, 10);
3079         p = tp;
3080         while (p < ep && *p++ != 0x1a); /* skip rest of header */
3081
3082         /*
3083          * Block records: address[4], length[2], data[length];
3084          */
3085         for (i = 0; i < nblk; i++) {
3086                 addr = GETLE32(p);      p += 4;
3087                 len  = GETLE16(p);      p += 2;
3088                 CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
3089                 CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
3090                 CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
3091                     (const uint16_t *)p, len / 2);
3092                 p += len;
3093         }
3094
3095         /*
3096          * PDR: id[4], address[4], length[4];
3097          */
3098         for (i = 0; i < pdrlen; ) {
3099                 id   = GETLE32(p);      p += 4; i += 4;
3100                 addr = GETLE32(p);      p += 4; i += 4;
3101                 len  = GETLE32(p);      p += 4; i += 4;
3102                 /* replace PDR entry with the values from EEPROM, if any */
3103                 for (q = ebuf, eq = q + ebuflen; q < eq; q += elen * 2) {
3104                         elen = GETLE16(q);      q += 2;
3105                         eid  = GETLE16(q);      q += 2;
3106                         elen--;         /* elen includes eid */
3107                         if (eid == 0)
3108                                 break;
3109                         if (eid != id)
3110                                 continue;
3111                         CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
3112                         CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
3113                         CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
3114                             (const uint16_t *)q, len / 2);
3115                         break;
3116                 }
3117         }
3118         return 0;
3119 }
3120
3121 static int
3122 wi_symbol_set_hcr(struct wi_softc *sc, int mode)
3123 {
3124         uint16_t hcr;
3125
3126         CSR_WRITE_2(sc, WI_COR, WI_COR_RESET);
3127         tsleep(sc, 0, "wiinit", 1);
3128         hcr = CSR_READ_2(sc, WI_HCR);
3129         hcr = (hcr & WI_HCR_4WIRE) | (mode & ~WI_HCR_4WIRE);
3130         CSR_WRITE_2(sc, WI_HCR, hcr);
3131         tsleep(sc, 0, "wiinit", 1);
3132         CSR_WRITE_2(sc, WI_COR, WI_COR_IOMODE);
3133         tsleep(sc, 0, "wiinit", 1);
3134         return 0;
3135 }