wi.c revision 1.94
1 /* $NetBSD: wi.c,v 1.94 2002/10/01 09:48:02 onoe Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998, 1999 5 * Bill Paul <wpaul (at) 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 35 /* 36 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for NetBSD. 37 * 38 * Original FreeBSD driver written by Bill Paul <wpaul (at) ctr.columbia.edu> 39 * Electrical Engineering Department 40 * Columbia University, New York City 41 */ 42 43 /* 44 * The WaveLAN/IEEE adapter is the second generation of the WaveLAN 45 * from Lucent. Unlike the older cards, the new ones are programmed 46 * entirely via a firmware-driven controller called the Hermes. 47 * Unfortunately, Lucent will not release the Hermes programming manual 48 * without an NDA (if at all). What they do release is an API library 49 * called the HCF (Hardware Control Functions) which is supposed to 50 * do the device-specific operations of a device driver for you. The 51 * publically available version of the HCF library (the 'HCF Light') is 52 * a) extremely gross, b) lacks certain features, particularly support 53 * for 802.11 frames, and c) is contaminated by the GNU Public License. 54 * 55 * This driver does not use the HCF or HCF Light at all. Instead, it 56 * programs the Hermes controller directly, using information gleaned 57 * from the HCF Light code and corresponding documentation. 58 * 59 * This driver supports both the PCMCIA and ISA versions of the 60 * WaveLAN/IEEE cards. Note however that the ISA card isn't really 61 * anything of the sort: it's actually a PCMCIA bridge adapter 62 * that fits into an ISA slot, into which a PCMCIA WaveLAN card is 63 * inserted. Consequently, you need to use the pccard support for 64 * both the ISA and PCMCIA adapters. 65 */ 66 67 /* 68 * FreeBSD driver ported to NetBSD by Bill Sommerfeld in the back of the 69 * Oslo IETF plenary meeting. 70 */ 71 72 #include <sys/cdefs.h> 73 __KERNEL_RCSID(0, "$NetBSD: wi.c,v 1.94 2002/10/01 09:48:02 onoe Exp $"); 74 75 #define WI_HERMES_AUTOINC_WAR /* Work around data write autoinc bug. */ 76 #define WI_HERMES_STATS_WAR /* Work around stats counter bug. */ 77 78 #include "bpfilter.h" 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/callout.h> 83 #include <sys/device.h> 84 #include <sys/socket.h> 85 #include <sys/mbuf.h> 86 #include <sys/ioctl.h> 87 #include <sys/kernel.h> /* for hz */ 88 #include <sys/proc.h> 89 90 #include <net/if.h> 91 #include <net/if_dl.h> 92 #include <net/if_media.h> 93 #include <net/if_ether.h> 94 #include <net/if_ieee80211.h> 95 96 #if NBPFILTER > 0 97 #include <net/bpf.h> 98 #include <net/bpfdesc.h> 99 #endif 100 101 #include <machine/bus.h> 102 103 #include <dev/ic/wi_ieee.h> 104 #include <dev/ic/wireg.h> 105 #include <dev/ic/wivar.h> 106 107 static int wi_init(struct ifnet *); 108 static void wi_stop(struct ifnet *, int); 109 static void wi_start(struct ifnet *); 110 static int wi_reset(struct wi_softc *); 111 static void wi_watchdog(struct ifnet *); 112 static int wi_ioctl(struct ifnet *, u_long, caddr_t); 113 static int wi_media_change(struct ifnet *); 114 static void wi_media_status(struct ifnet *, struct ifmediareq *); 115 116 static void wi_rx_intr(struct wi_softc *); 117 static void wi_tx_intr(struct wi_softc *); 118 static void wi_info_intr(struct wi_softc *); 119 120 static int wi_get_cfg(struct ifnet *, u_long, caddr_t); 121 static int wi_set_cfg(struct ifnet *, u_long, caddr_t); 122 static int wi_write_txrate(struct wi_softc *); 123 static int wi_write_wep(struct wi_softc *); 124 static int wi_write_multi(struct wi_softc *); 125 static int wi_alloc_fid(struct wi_softc *, int, int *); 126 static void wi_read_nicid(struct wi_softc *); 127 static int wi_write_ssid(struct wi_softc *, int, u_int8_t *, int); 128 129 static int wi_cmd(struct wi_softc *, int, int, int, int); 130 static int wi_seek_bap(struct wi_softc *, int, int); 131 static int wi_read_bap(struct wi_softc *, int, int, void *, int); 132 static int wi_write_bap(struct wi_softc *, int, int, void *, int); 133 static int wi_read_rid(struct wi_softc *, int, void *, int *); 134 static int wi_write_rid(struct wi_softc *, int, void *, int); 135 136 static int wi_newstate(void *, enum ieee80211_state); 137 138 static int wi_scan_ap(struct wi_softc *); 139 static void wi_scan_result(struct wi_softc *, int, int); 140 141 static inline int 142 wi_write_val(struct wi_softc *sc, int rid, u_int16_t val) 143 { 144 145 val = htole16(val); 146 return wi_write_rid(sc, rid, &val, sizeof(val)); 147 } 148 149 #ifdef WI_DEBUG 150 int wi_debug = 0; 151 152 #define DPRINTF(X) if (wi_debug) printf X 153 #define DPRINTF2(X) if (wi_debug > 1) printf X 154 #else 155 #define DPRINTF(X) 156 #define DPRINTF2(X) 157 #endif 158 159 #define WI_INTRS (WI_EV_RX | WI_EV_ALLOC | WI_EV_INFO) 160 161 struct wi_card_ident 162 wi_card_ident[] = { 163 /* CARD_ID CARD_NAME FIRM_TYPE */ 164 { WI_NIC_LUCENT_ID, WI_NIC_LUCENT_STR, WI_LUCENT }, 165 { WI_NIC_SONY_ID, WI_NIC_SONY_STR, WI_LUCENT }, 166 { WI_NIC_LUCENT_EMB_ID, WI_NIC_LUCENT_EMB_STR, WI_LUCENT }, 167 { WI_NIC_EVB2_ID, WI_NIC_EVB2_STR, WI_INTERSIL }, 168 { WI_NIC_HWB3763_ID, WI_NIC_HWB3763_STR, WI_INTERSIL }, 169 { WI_NIC_HWB3163_ID, WI_NIC_HWB3163_STR, WI_INTERSIL }, 170 { WI_NIC_HWB3163B_ID, WI_NIC_HWB3163B_STR, WI_INTERSIL }, 171 { WI_NIC_EVB3_ID, WI_NIC_EVB3_STR, WI_INTERSIL }, 172 { WI_NIC_HWB1153_ID, WI_NIC_HWB1153_STR, WI_INTERSIL }, 173 { WI_NIC_P2_SST_ID, WI_NIC_P2_SST_STR, WI_INTERSIL }, 174 { WI_NIC_EVB2_SST_ID, WI_NIC_EVB2_SST_STR, WI_INTERSIL }, 175 { WI_NIC_3842_EVA_ID, WI_NIC_3842_EVA_STR, WI_INTERSIL }, 176 { WI_NIC_3842_PCMCIA_AMD_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 177 { WI_NIC_3842_PCMCIA_SST_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 178 { WI_NIC_3842_PCMCIA_ATM_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 179 { WI_NIC_3842_MINI_AMD_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 180 { WI_NIC_3842_MINI_SST_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 181 { WI_NIC_3842_MINI_ATM_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 182 { WI_NIC_3842_PCI_AMD_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 183 { WI_NIC_3842_PCI_SST_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 184 { WI_NIC_3842_PCI_ATM_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 185 { WI_NIC_P3_PCMCIA_AMD_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 186 { WI_NIC_P3_PCMCIA_SST_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 187 { WI_NIC_P3_MINI_AMD_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 188 { WI_NIC_P3_MINI_SST_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 189 { 0, NULL, 0 }, 190 }; 191 192 int 193 wi_attach(struct wi_softc *sc) 194 { 195 struct ieee80211com *ic = &sc->sc_ic; 196 struct ifnet *ifp = &ic->ic_if; 197 int i, nrate, mword, buflen; 198 u_int8_t r; 199 u_int16_t val; 200 u_int8_t ratebuf[2 + IEEE80211_RATE_SIZE]; 201 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 202 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 203 }; 204 int s; 205 206 s = splnet(); 207 208 /* Make sure interrupts are disabled. */ 209 CSR_WRITE_2(sc, WI_INT_EN, 0); 210 CSR_WRITE_2(sc, WI_EVENT_ACK, ~0); 211 212 /* Reset the NIC. */ 213 if (wi_reset(sc) != 0) { 214 splx(s); 215 return 1; 216 } 217 218 buflen = IEEE80211_ADDR_LEN; 219 if (wi_read_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, &buflen) != 0 || 220 IEEE80211_ADDR_EQ(ic->ic_myaddr, empty_macaddr)) { 221 printf(" could not get mac address, attach failed\n"); 222 splx(s); 223 return 1; 224 } 225 226 printf(" 802.11 address %s\n", ether_sprintf(ic->ic_myaddr)); 227 228 /* Read NIC identification */ 229 wi_read_nicid(sc); 230 231 memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ); 232 ifp->if_softc = sc; 233 ifp->if_start = wi_start; 234 ifp->if_ioctl = wi_ioctl; 235 ifp->if_watchdog = wi_watchdog; 236 ifp->if_init = wi_init; 237 ifp->if_stop = wi_stop; 238 ifp->if_flags = 239 IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST | IFF_NOTRAILERS; 240 IFQ_SET_READY(&ifp->if_snd); 241 242 ic->ic_phytype = IEEE80211_T_DS; 243 ic->ic_opmode = IEEE80211_M_STA; 244 ic->ic_flags = IEEE80211_F_HASPMGT | IEEE80211_F_HASAHDEMO; 245 ic->ic_state = IEEE80211_S_INIT; 246 ic->ic_newstate = wi_newstate; 247 248 /* Find available channel */ 249 buflen = sizeof(val); 250 if (wi_read_rid(sc, WI_RID_CHANNEL_LIST, &val, &buflen) != 0) 251 val = htole16(0x1fff); /* assume 1-11 */ 252 for (i = 0; i < 16; i++) { 253 if (isset((u_int8_t*)&val, i)) 254 setbit(ic->ic_chan_avail, i + 1); 255 } 256 257 /* Find default IBSS channel */ 258 buflen = sizeof(val); 259 if (wi_read_rid(sc, WI_RID_OWN_CHNL, &val, &buflen) == 0) 260 ic->ic_ibss_chan = le16toh(val); 261 else { 262 /* use lowest available channel */ 263 for (i = 0; i < 16; i++) { 264 if (isset(ic->ic_chan_avail, i)) 265 break; 266 } 267 ic->ic_ibss_chan = i; 268 } 269 270 /* 271 * Set flags based on firmware version. 272 */ 273 switch (sc->sc_firmware_type) { 274 case WI_LUCENT: 275 sc->sc_flags |= WI_FLAGS_HAS_SYSSCALE; 276 #ifdef WI_HERMES_AUTOINC_WAR 277 /* XXX: not confirmed, but never seen for recent firmware */ 278 if (sc->sc_sta_firmware_ver < 40000) { 279 sc->sc_flags |= WI_FLAGS_BUG_AUTOINC; 280 } 281 #endif 282 if (sc->sc_sta_firmware_ver >= 60000) 283 sc->sc_flags |= WI_FLAGS_HAS_MOR; 284 if (sc->sc_sta_firmware_ver >= 60006) 285 ic->ic_flags |= IEEE80211_F_HASIBSS; 286 sc->sc_ibss_port = 1; 287 break; 288 289 case WI_INTERSIL: 290 sc->sc_flags |= WI_FLAGS_HAS_ROAMING; 291 sc->sc_flags |= WI_FLAGS_HAS_SYSSCALE; 292 if (sc->sc_sta_firmware_ver >= 800) { 293 ic->ic_flags |= IEEE80211_F_HASHOSTAP; 294 ic->ic_flags |= IEEE80211_F_HASIBSS; 295 } 296 sc->sc_ibss_port = 0; 297 break; 298 299 case WI_SYMBOL: 300 sc->sc_flags |= WI_FLAGS_HAS_DIVERSITY; 301 if (sc->sc_sta_firmware_ver >= 25000) 302 ic->ic_flags |= IEEE80211_F_HASIBSS; 303 sc->sc_ibss_port = 4; 304 break; 305 } 306 307 /* 308 * Find out if we support WEP on this card. 309 */ 310 buflen = sizeof(val); 311 if (wi_read_rid(sc, WI_RID_WEP_AVAIL, &val, &buflen) == 0 && 312 val != htole16(0)) 313 ic->ic_flags |= IEEE80211_F_HASWEP; 314 315 /* Find supported rates. */ 316 buflen = sizeof(ratebuf); 317 if (wi_read_rid(sc, WI_RID_DATA_RATES, ratebuf, &buflen) == 0) { 318 nrate = le16toh(*(u_int16_t *)ratebuf); 319 if (nrate > IEEE80211_RATE_SIZE) 320 nrate = IEEE80211_RATE_SIZE; 321 memcpy(ic->ic_sup_rates, ratebuf + 2, nrate); 322 } 323 buflen = sizeof(val); 324 325 sc->sc_max_datalen = 2304; 326 sc->sc_rts_thresh = 2347; 327 sc->sc_system_scale = 1; 328 sc->sc_cnfauthmode = 1; 329 sc->sc_roaming_mode = 1; 330 331 ifmedia_init(&sc->sc_media, 0, wi_media_change, wi_media_status); 332 printf("%s: supported rates: ", sc->sc_dev.dv_xname); 333 #define ADD(s, o) ifmedia_add(&sc->sc_media, \ 334 IFM_MAKEWORD(IFM_IEEE80211, (s), (o), 0), 0, NULL) 335 ADD(IFM_AUTO, 0); 336 if (ic->ic_flags & IEEE80211_F_HASHOSTAP) 337 ADD(IFM_AUTO, IFM_IEEE80211_HOSTAP); 338 if (ic->ic_flags & IEEE80211_F_HASIBSS) 339 ADD(IFM_AUTO, IFM_IEEE80211_ADHOC); 340 ADD(IFM_AUTO, IFM_IEEE80211_ADHOC | IFM_FLAG0); 341 for (i = 0; i < nrate; i++) { 342 r = ic->ic_sup_rates[i]; 343 mword = ieee80211_rate2media(r, IEEE80211_T_DS); 344 if (mword == 0) 345 continue; 346 printf("%s%d%sMbps", (i != 0 ? " " : ""), 347 (r & IEEE80211_RATE_VAL) / 2, ((r & 0x1) != 0 ? ".5" : "")); 348 ADD(mword, 0); 349 if (ic->ic_flags & IEEE80211_F_HASHOSTAP) 350 ADD(mword, IFM_IEEE80211_HOSTAP); 351 if (ic->ic_flags & IEEE80211_F_HASIBSS) 352 ADD(mword, IFM_IEEE80211_ADHOC); 353 ADD(mword, IFM_IEEE80211_ADHOC | IFM_FLAG0); 354 } 355 printf("\n"); 356 ifmedia_set(&sc->sc_media, IFM_MAKEWORD(IFM_IEEE80211, IFM_AUTO, 0, 0)); 357 #undef ADD 358 359 /* 360 * Call MI attach routines. 361 */ 362 363 if_attach(ifp); 364 ieee80211_ifattach(ifp); 365 366 /* Attach is successful. */ 367 sc->sc_attached = 1; 368 369 splx(s); 370 return 0; 371 } 372 373 int 374 wi_detach(struct wi_softc *sc) 375 { 376 struct ifnet *ifp = &sc->sc_ic.ic_if; 377 int s; 378 379 if (!sc->sc_attached) 380 return 0; 381 382 s = splnet(); 383 384 /* Delete all remaining media. */ 385 ifmedia_delete_instance(&sc->sc_media, IFM_INST_ANY); 386 387 ieee80211_ifdetach(ifp); 388 if_detach(ifp); 389 if (sc->sc_enabled) { 390 if (sc->sc_disable) 391 (*sc->sc_disable)(sc); 392 sc->sc_enabled = 0; 393 } 394 splx(s); 395 return 0; 396 } 397 398 int 399 wi_activate(struct device *self, enum devact act) 400 { 401 struct wi_softc *sc = (struct wi_softc *)self; 402 int rv = 0, s; 403 404 s = splnet(); 405 switch (act) { 406 case DVACT_ACTIVATE: 407 rv = EOPNOTSUPP; 408 break; 409 410 case DVACT_DEACTIVATE: 411 if_deactivate(&sc->sc_ic.ic_if); 412 break; 413 } 414 splx(s); 415 return rv; 416 } 417 418 void 419 wi_power(struct wi_softc *sc, int why) 420 { 421 struct ifnet *ifp = &sc->sc_ic.ic_if; 422 int s; 423 424 s = splnet(); 425 switch (why) { 426 case PWR_SUSPEND: 427 case PWR_STANDBY: 428 wi_stop(ifp, 1); 429 break; 430 case PWR_RESUME: 431 if (ifp->if_flags & IFF_UP) { 432 wi_init(ifp); 433 (void)wi_intr(sc); 434 } 435 break; 436 case PWR_SOFTSUSPEND: 437 case PWR_SOFTSTANDBY: 438 case PWR_SOFTRESUME: 439 break; 440 } 441 splx(s); 442 } 443 444 void 445 wi_shutdown(struct wi_softc *sc) 446 { 447 struct ifnet *ifp = &sc->sc_ic.ic_if; 448 449 if (sc->sc_attached) 450 wi_stop(ifp, 1); 451 } 452 453 int 454 wi_intr(void *arg) 455 { 456 int i; 457 struct wi_softc *sc = arg; 458 struct ifnet *ifp = &sc->sc_ic.ic_if; 459 u_int16_t status, raw_status, last_status; 460 461 if (sc->sc_enabled == 0 || 462 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0 || 463 (ifp->if_flags & IFF_RUNNING) == 0) 464 return 0; 465 466 if ((ifp->if_flags & IFF_UP) == 0) { 467 CSR_WRITE_2(sc, WI_EVENT_ACK, ~0); 468 CSR_WRITE_2(sc, WI_INT_EN, 0); 469 return 1; 470 } 471 472 /* maximum 10 loops per interrupt */ 473 last_status = 0; 474 for (i = 0; i < 10; i++) { 475 /* 476 * Only believe a status bit when we enter wi_intr, or when 477 * the bit was "off" the last time through the loop. This is 478 * my strategy to avoid racing the hardware/firmware if I 479 * can re-read the event status register more quickly than 480 * it is updated. 481 */ 482 raw_status = CSR_READ_2(sc, WI_EVENT_STAT); 483 status = raw_status & ~last_status; 484 if ((status & WI_INTRS) == 0) 485 break; 486 last_status = raw_status; 487 488 if (status & WI_EV_RX) 489 wi_rx_intr(sc); 490 491 if (status & WI_EV_ALLOC) 492 wi_tx_intr(sc); 493 494 if (status & WI_EV_INFO) 495 wi_info_intr(sc); 496 497 if (!(ifp->if_flags & IFF_OACTIVE) && 498 !IFQ_IS_EMPTY(&ifp->if_snd)) 499 wi_start(ifp); 500 } 501 502 return 1; 503 } 504 505 static int 506 wi_init(struct ifnet *ifp) 507 { 508 struct wi_softc *sc = ifp->if_softc; 509 struct ieee80211com *ic = &sc->sc_ic; 510 struct wi_joinreq join; 511 int i; 512 int error = 0, wasenabled; 513 514 DPRINTF(("wi_init: enabled %d\n", sc->sc_enabled)); 515 wasenabled = sc->sc_enabled; 516 if (!sc->sc_enabled) { 517 if ((error = (*sc->sc_enable)(sc)) != 0) 518 goto out; 519 sc->sc_enabled = 1; 520 } else 521 wi_stop(ifp, 0); 522 523 /* Symbol firmware cannot be initialized more than once */ 524 if (sc->sc_firmware_type != WI_SYMBOL || !wasenabled) { 525 if ((error = wi_reset(sc)) != 0) 526 goto out; 527 } 528 529 /* common 802.11 configuration */ 530 switch (ic->ic_opmode) { 531 case IEEE80211_M_STA: 532 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_BSS); 533 break; 534 case IEEE80211_M_IBSS: 535 wi_write_val(sc, WI_RID_PORTTYPE, sc->sc_ibss_port); 536 break; 537 case IEEE80211_M_AHDEMO: 538 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_ADHOC); 539 break; 540 case IEEE80211_M_HOSTAP: 541 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_HOSTAP); 542 break; 543 } 544 545 /* Intersil interprets this RID as joining ESS even in IBSS mode */ 546 if (sc->sc_firmware_type == WI_LUCENT && 547 (ic->ic_flags & IEEE80211_F_IBSSON) && ic->ic_des_esslen > 0) 548 wi_write_val(sc, WI_RID_CREATE_IBSS, 1); 549 else 550 wi_write_val(sc, WI_RID_CREATE_IBSS, 0); 551 wi_write_val(sc, WI_RID_MAX_SLEEP, ic->ic_lintval); 552 wi_write_ssid(sc, WI_RID_DESIRED_SSID, ic->ic_des_essid, 553 ic->ic_des_esslen); 554 wi_write_val(sc, WI_RID_OWN_CHNL, ic->ic_ibss_chan); 555 wi_write_ssid(sc, WI_RID_OWN_SSID, ic->ic_des_essid, ic->ic_des_esslen); 556 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 557 wi_write_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, IEEE80211_ADDR_LEN); 558 wi_write_val(sc, WI_RID_PM_ENABLED, 559 (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 560 561 /* not yet common 802.11 configuration */ 562 wi_write_val(sc, WI_RID_MAX_DATALEN, sc->sc_max_datalen); 563 wi_write_val(sc, WI_RID_RTS_THRESH, sc->sc_rts_thresh); 564 565 /* driver specific 802.11 configuration */ 566 if (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE) 567 wi_write_val(sc, WI_RID_SYSTEM_SCALE, sc->sc_system_scale); 568 if (sc->sc_flags & WI_FLAGS_HAS_ROAMING) 569 wi_write_val(sc, WI_RID_ROAMING_MODE, sc->sc_roaming_mode); 570 if (sc->sc_flags & WI_FLAGS_HAS_MOR) 571 wi_write_val(sc, WI_RID_MICROWAVE_OVEN, sc->sc_microwave_oven); 572 wi_write_txrate(sc); 573 wi_write_ssid(sc, WI_RID_NODENAME, sc->sc_nodename, sc->sc_nodelen); 574 575 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 576 /* XXX: these configurations may be intersil only */ 577 wi_write_val(sc, WI_RID_OWN_BEACON_INT, ic->ic_lintval); 578 wi_write_val(sc, WI_RID_BASIC_RATE, 0x03); /* 1, 2 */ 579 wi_write_val(sc, WI_RID_SUPPORT_RATE, 0x0f); /* 1, 2, 5.5, 11 */ 580 wi_write_val(sc, WI_RID_DTIM_PERIOD, 1); 581 } 582 583 /* 584 * Initialize promisc mode. 585 * Being in the Host-AP mode causes a great 586 * deal of pain if primisc mode is set. 587 * Therefore we avoid confusing the firmware 588 * and always reset promisc mode in Host-AP 589 * mode. Host-AP sees all the packets anyway. 590 */ 591 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 592 (ifp->if_flags & IFF_PROMISC) != 0) { 593 wi_write_val(sc, WI_RID_PROMISC, 1); 594 } else { 595 wi_write_val(sc, WI_RID_PROMISC, 0); 596 } 597 598 /* Configure WEP. */ 599 if (ic->ic_flags & IEEE80211_F_HASWEP) 600 wi_write_wep(sc); 601 602 /* Set multicast filter. */ 603 wi_write_multi(sc); 604 605 sc->sc_buflen = IEEE80211_MAX_LEN + sizeof(struct wi_frame); 606 if (sc->sc_firmware_type == WI_SYMBOL) 607 sc->sc_buflen = 1585; /* XXX */ 608 for (i = 0; i < WI_NTXBUF; i++) { 609 error = wi_alloc_fid(sc, sc->sc_buflen, 610 &sc->sc_txd[i].d_fid); 611 if (error) { 612 printf("%s: tx buffer allocation failed\n", 613 sc->sc_dev.dv_xname); 614 goto out; 615 } 616 DPRINTF2(("wi_init: txbuf %d allocated %x\n", i, 617 sc->sc_txd[i].d_fid)); 618 sc->sc_txd[i].d_len = 0; 619 } 620 sc->sc_txcur = sc->sc_txnext = 0; 621 if (ic->ic_opmode == IEEE80211_M_IBSS) 622 ic->ic_flags |= IEEE80211_F_IBSSON; 623 else 624 ic->ic_flags &= ~IEEE80211_F_IBSSON; 625 626 /* Enable port 0 */ 627 wi_cmd(sc, WI_CMD_ENABLE | WI_PORT0, 0, 0, 0); 628 ifp->if_flags |= IFF_RUNNING; 629 ifp->if_flags &= ~IFF_OACTIVE; 630 if (ic->ic_opmode == IEEE80211_M_AHDEMO || 631 ic->ic_opmode == IEEE80211_M_HOSTAP) 632 wi_newstate(sc, IEEE80211_S_RUN); 633 634 /* Enable interrupts */ 635 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 636 637 if (!wasenabled && ic->ic_opmode == IEEE80211_M_HOSTAP) { 638 /* XXX: some card need to be re-enabled for hostap */ 639 wi_cmd(sc, WI_CMD_DISABLE | WI_PORT0, 0, 0, 0); 640 wi_cmd(sc, WI_CMD_ENABLE | WI_PORT0, 0, 0, 0); 641 } 642 643 if (ic->ic_opmode == IEEE80211_M_STA && 644 ((ic->ic_flags & IEEE80211_F_DESBSSID) || 645 ic->ic_des_chan != IEEE80211_CHAN_ANY)) { 646 memset(&join, 0, sizeof(join)); 647 if (ic->ic_flags & IEEE80211_F_DESBSSID) 648 IEEE80211_ADDR_COPY(&join.wi_bssid, ic->ic_des_bssid); 649 if (ic->ic_des_chan != IEEE80211_CHAN_ANY) 650 join.wi_chan = htole16(ic->ic_des_chan); 651 wi_write_rid(sc, WI_RID_JOIN_REQ, &join, sizeof(join)); 652 } 653 654 out: 655 if (error) { 656 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 657 wi_stop(ifp, 1); 658 } 659 DPRINTF(("wi_init: return %d\n", error)); 660 return error; 661 } 662 663 static void 664 wi_stop(struct ifnet *ifp, int disable) 665 { 666 struct wi_softc *sc = ifp->if_softc; 667 668 DPRINTF(("wi_stop: disable %d\n", disable)); 669 ieee80211_new_state(ifp, IEEE80211_S_INIT, -1); 670 if (sc->sc_enabled) { 671 CSR_WRITE_2(sc, WI_INT_EN, 0); 672 wi_cmd(sc, WI_CMD_DISABLE | WI_PORT0, 0, 0, 0); 673 if (disable) { 674 if (sc->sc_disable) 675 (*sc->sc_disable)(sc); 676 sc->sc_enabled = 0; 677 } 678 } 679 680 sc->sc_tx_timer = 0; 681 sc->sc_scan_timer = 0; 682 sc->sc_naps = 0; 683 ifp->if_flags &= ~(IFF_OACTIVE | IFF_RUNNING); 684 ifp->if_timer = 0; 685 } 686 687 static void 688 wi_start(struct ifnet *ifp) 689 { 690 struct wi_softc *sc = ifp->if_softc; 691 struct ieee80211com *ic = &sc->sc_ic; 692 struct ieee80211_frame *wh; 693 struct mbuf *m0, *m; 694 struct wi_frame frmhdr; 695 int cur, fid, off; 696 697 if (ifp->if_flags & IFF_OACTIVE) 698 return; 699 700 memset(&frmhdr, 0, sizeof(frmhdr)); 701 cur = sc->sc_txnext; 702 for (;;) { 703 IF_POLL(&ic->ic_mgtq, m0); 704 if (m0 != NULL) { 705 if (sc->sc_txd[cur].d_len != 0) { 706 ifp->if_flags |= IFF_OACTIVE; 707 break; 708 } 709 IF_DEQUEUE(&ic->ic_mgtq, m0); 710 m_copydata(m0, 4, ETHER_ADDR_LEN * 2, 711 (caddr_t)&frmhdr.wi_ehdr); 712 frmhdr.wi_ehdr.ether_type = 0; 713 wh = mtod(m0, struct ieee80211_frame *); 714 } else { 715 if (ic->ic_state != IEEE80211_S_RUN) 716 break; 717 IFQ_POLL(&ifp->if_snd, m0); 718 if (m0 == NULL) 719 break; 720 if (sc->sc_txd[cur].d_len != 0) { 721 ifp->if_flags |= IFF_OACTIVE; 722 break; 723 } 724 IFQ_DEQUEUE(&ifp->if_snd, m0); 725 ifp->if_opackets++; 726 m_copydata(m0, 0, ETHER_HDR_LEN, 727 (caddr_t)&frmhdr.wi_ehdr); 728 #if NBPFILTER > 0 729 if (ifp->if_bpf) 730 bpf_mtap(ifp->if_bpf, m0); 731 #endif 732 733 if ((m0 = ieee80211_encap(ifp, m0)) == NULL) { 734 ifp->if_oerrors++; 735 continue; 736 } 737 wh = mtod(m0, struct ieee80211_frame *); 738 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 739 !IEEE80211_IS_MULTICAST(wh->i_addr1) && 740 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 741 IEEE80211_FC0_TYPE_DATA && 742 ieee80211_find_node(ic, wh->i_addr1) == NULL) { 743 m_freem(m0); 744 ifp->if_oerrors++; 745 continue; 746 } 747 if (ic->ic_flags & IEEE80211_F_WEPON) 748 wh->i_fc[1] |= IEEE80211_FC1_WEP; 749 750 } 751 #if NBPFILTER > 0 752 if (ic->ic_rawbpf) 753 bpf_mtap(ic->ic_rawbpf, m0); 754 #endif 755 frmhdr.wi_tx_ctl = htole16(WI_ENC_TX_802_11); 756 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 757 (wh->i_fc[1] & IEEE80211_FC1_WEP)) { 758 if ((m0 = ieee80211_wep_crypt(ifp, m0, 1)) == NULL) { 759 ifp->if_oerrors++; 760 continue; 761 } 762 frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_NOCRYPT); 763 } 764 m_copydata(m0, 0, sizeof(struct ieee80211_frame), 765 (caddr_t)&frmhdr.wi_whdr); 766 m_adj(m0, sizeof(struct ieee80211_frame)); 767 frmhdr.wi_dat_len = htole16(m0->m_pkthdr.len); 768 #if NBPFILTER > 0 769 if (sc->sc_drvbpf) { 770 struct mbuf mb; 771 772 M_COPY_PKTHDR(&mb, m0); 773 mb.m_data = (caddr_t)&frmhdr; 774 mb.m_len = sizeof(frmhdr); 775 mb.m_next = m0; 776 mb.m_pkthdr.len += mb.m_len; 777 bpf_mtap(sc->sc_drvbpf, &mb); 778 } 779 #endif 780 fid = sc->sc_txd[cur].d_fid; 781 wi_write_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)); 782 off = sizeof(frmhdr); 783 for (m = m0; m != NULL; m = m->m_next) { 784 if (m->m_len == 0) 785 continue; 786 wi_write_bap(sc, fid, off, m->m_data, m->m_len); 787 off += m->m_len; 788 } 789 m_freem(m0); 790 sc->sc_txd[cur].d_len = off; 791 if (sc->sc_txcur == cur) { 792 if (wi_cmd(sc, WI_CMD_TX | WI_RECLAIM, fid, 0, 0)) { 793 printf("%s: xmit failed\n", 794 sc->sc_dev.dv_xname); 795 sc->sc_txd[cur].d_len = 0; 796 continue; 797 } 798 sc->sc_tx_timer = 5; 799 ifp->if_timer = 1; 800 } 801 sc->sc_txnext = cur = (cur + 1) % WI_NTXBUF; 802 } 803 } 804 805 806 static int 807 wi_reset(struct wi_softc *sc) 808 { 809 int i, error; 810 811 DPRINTF(("wi_reset\n")); 812 error = 0; 813 for (i = 0; i < 5; i++) { 814 DELAY(20*1000); /* XXX: way too long! */ 815 if ((error = wi_cmd(sc, WI_CMD_INI, 0, 0, 0)) == 0) 816 break; 817 } 818 if (error) { 819 printf("%s: init failed\n", sc->sc_dev.dv_xname); 820 return error; 821 } 822 CSR_WRITE_2(sc, WI_INT_EN, 0); 823 CSR_WRITE_2(sc, WI_EVENT_ACK, ~0); 824 825 /* Calibrate timer. */ 826 wi_write_val(sc, WI_RID_TICK_TIME, 0); 827 return 0; 828 } 829 830 static void 831 wi_watchdog(struct ifnet *ifp) 832 { 833 struct wi_softc *sc = ifp->if_softc; 834 835 ifp->if_timer = 0; 836 if (!sc->sc_enabled) 837 return; 838 839 if (sc->sc_tx_timer) { 840 if (--sc->sc_tx_timer == 0) { 841 printf("%s: device timeout\n", ifp->if_xname); 842 ifp->if_oerrors++; 843 wi_init(ifp); 844 return; 845 } 846 ifp->if_timer = 1; 847 } 848 849 if (sc->sc_scan_timer) { 850 if (--sc->sc_scan_timer <= WI_SCAN_WAIT - WI_SCAN_INQWAIT && 851 sc->sc_firmware_type == WI_INTERSIL) { 852 DPRINTF(("wi_watchdog: inquire scan\n")); 853 wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_SCAN_RESULTS, 0, 0); 854 } 855 if (sc->sc_scan_timer) 856 ifp->if_timer = 1; 857 } 858 859 /* TODO: rate control */ 860 ieee80211_watchdog(ifp); 861 } 862 863 static int 864 wi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 865 { 866 struct wi_softc *sc = ifp->if_softc; 867 struct ieee80211com *ic = &sc->sc_ic; 868 struct ifreq *ifr = (struct ifreq *)data; 869 int s, error = 0; 870 871 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 872 return ENXIO; 873 874 s = splnet(); 875 876 switch (cmd) { 877 case SIOCSIFFLAGS: 878 if (ifp->if_flags & IFF_UP) { 879 if (sc->sc_enabled) { 880 /* 881 * To avoid rescanning another access point, 882 * do not call wi_init() here. Instead, 883 * only reflect promisc mode settings. 884 */ 885 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 886 (ifp->if_flags & IFF_PROMISC) != 0) 887 wi_write_val(sc, WI_RID_PROMISC, 1); 888 else 889 wi_write_val(sc, WI_RID_PROMISC, 0); 890 } else 891 error = wi_init(ifp); 892 } else if (sc->sc_enabled) 893 wi_stop(ifp, 1); 894 break; 895 case SIOCSIFMEDIA: 896 case SIOCGIFMEDIA: 897 error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd); 898 break; 899 case SIOCADDMULTI: 900 case SIOCDELMULTI: 901 error = (cmd == SIOCADDMULTI) ? 902 ether_addmulti(ifr, &sc->sc_ic.ic_ec) : 903 ether_delmulti(ifr, &sc->sc_ic.ic_ec); 904 if (error == ENETRESET) { 905 if (sc->sc_enabled) { 906 /* do not rescan */ 907 error = wi_write_multi(sc); 908 } else 909 error = 0; 910 } 911 break; 912 case SIOCGIFGENERIC: 913 error = wi_get_cfg(ifp, cmd, data); 914 break; 915 case SIOCSIFGENERIC: 916 error = suser(curproc->p_ucred, &curproc->p_acflag); 917 if (error) 918 break; 919 error = wi_set_cfg(ifp, cmd, data); 920 if (error == ENETRESET) { 921 if (sc->sc_enabled) 922 error = wi_init(ifp); 923 else 924 error = 0; 925 } 926 break; 927 default: 928 error = ieee80211_ioctl(ifp, cmd, data); 929 if (error == ENETRESET) { 930 if (sc->sc_enabled) 931 error = wi_init(ifp); 932 else 933 error = 0; 934 } 935 break; 936 } 937 splx(s); 938 return error; 939 } 940 941 static int 942 wi_media_change(struct ifnet *ifp) 943 { 944 struct wi_softc *sc = ifp->if_softc; 945 struct ieee80211com *ic = &sc->sc_ic; 946 struct ifmedia_entry *ime; 947 enum ieee80211_opmode newmode; 948 int i, rate, error = 0; 949 950 ime = sc->sc_media.ifm_cur; 951 if (IFM_SUBTYPE(ime->ifm_media) == IFM_AUTO) { 952 i = -1; 953 } else { 954 rate = ieee80211_media2rate(ime->ifm_media, IEEE80211_T_DS); 955 if (rate == 0) 956 return EINVAL; 957 for (i = 0; i < IEEE80211_RATE_SIZE; i++) { 958 if ((ic->ic_sup_rates[i] & IEEE80211_RATE_VAL) == rate) 959 break; 960 } 961 if (i == IEEE80211_RATE_SIZE) 962 return EINVAL; 963 } 964 if (ic->ic_fixed_rate != i) { 965 ic->ic_fixed_rate = i; 966 error = ENETRESET; 967 } 968 969 if ((ime->ifm_media & IFM_IEEE80211_ADHOC) && 970 (ime->ifm_media & IFM_FLAG0)) 971 newmode = IEEE80211_M_AHDEMO; 972 else if (ime->ifm_media & IFM_IEEE80211_ADHOC) 973 newmode = IEEE80211_M_IBSS; 974 else if (ime->ifm_media & IFM_IEEE80211_HOSTAP) 975 newmode = IEEE80211_M_HOSTAP; 976 else 977 newmode = IEEE80211_M_STA; 978 if (ic->ic_opmode != newmode) { 979 ic->ic_opmode = newmode; 980 error = ENETRESET; 981 } 982 if (error == ENETRESET) { 983 if (sc->sc_enabled) 984 error = wi_init(ifp); 985 else 986 error = 0; 987 } 988 ifp->if_baudrate = ifmedia_baudrate(sc->sc_media.ifm_cur->ifm_media); 989 990 return error; 991 } 992 993 static void 994 wi_media_status(struct ifnet *ifp, struct ifmediareq *imr) 995 { 996 struct wi_softc *sc = ifp->if_softc; 997 struct ieee80211com *ic = &sc->sc_ic; 998 u_int16_t val; 999 int rate, len; 1000 1001 if (sc->sc_enabled == 0) { 1002 imr->ifm_active = IFM_IEEE80211 | IFM_NONE; 1003 imr->ifm_status = 0; 1004 return; 1005 } 1006 1007 imr->ifm_status = IFM_AVALID; 1008 imr->ifm_active = IFM_IEEE80211; 1009 if (ic->ic_state == IEEE80211_S_RUN) 1010 imr->ifm_status |= IFM_ACTIVE; 1011 if (ic->ic_fixed_rate != -1) 1012 rate = ic->ic_sup_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL; 1013 else { 1014 len = sizeof(val); 1015 if (wi_read_rid(sc, WI_RID_CUR_TX_RATE, &val, &len) != 0) 1016 rate = 0; 1017 else { 1018 /* convert to 802.11 rate */ 1019 rate = val * 2; 1020 if (rate == 12) 1021 rate = 11; /* 5.5Mbps */ 1022 } 1023 } 1024 imr->ifm_active |= ieee80211_rate2media(rate, IEEE80211_T_DS); 1025 switch (ic->ic_opmode) { 1026 case IEEE80211_M_STA: 1027 break; 1028 case IEEE80211_M_IBSS: 1029 imr->ifm_active |= IFM_IEEE80211_ADHOC; 1030 break; 1031 case IEEE80211_M_AHDEMO: 1032 imr->ifm_active |= IFM_IEEE80211_ADHOC | IFM_FLAG0; 1033 break; 1034 case IEEE80211_M_HOSTAP: 1035 imr->ifm_active |= IFM_IEEE80211_HOSTAP; 1036 break; 1037 } 1038 } 1039 1040 static void 1041 wi_rx_intr(struct wi_softc *sc) 1042 { 1043 struct ieee80211com *ic = &sc->sc_ic; 1044 struct ifnet *ifp = &ic->ic_if; 1045 struct wi_frame frmhdr; 1046 struct mbuf *m; 1047 struct ieee80211_frame *wh; 1048 u_int16_t status; 1049 int fid, len, off; 1050 1051 fid = CSR_READ_2(sc, WI_RX_FID); 1052 1053 /* First read in the frame header */ 1054 if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr))) { 1055 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1056 ifp->if_ierrors++; 1057 DPRINTF(("wi_rx_intr: read fid %x failed\n", fid)); 1058 return; 1059 } 1060 1061 /* 1062 * Drop undecryptable or packets with receive errors here 1063 */ 1064 status = le16toh(frmhdr.wi_status); 1065 if (status & WI_STAT_ERRSTAT) { 1066 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1067 ifp->if_ierrors++; 1068 DPRINTF(("wi_rx_intr: fid %x error status %x\n", fid, status)); 1069 return; 1070 } 1071 1072 len = le16toh(frmhdr.wi_dat_len); 1073 off = ALIGN(sizeof(struct ieee80211_frame)); 1074 1075 MGETHDR(m, M_DONTWAIT, MT_DATA); 1076 if (m == NULL) { 1077 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1078 ifp->if_ierrors++; 1079 DPRINTF(("wi_rx_intr: MGET failed\n")); 1080 return; 1081 } 1082 if (off + len > MHLEN) { 1083 MCLGET(m, M_DONTWAIT); 1084 if ((m->m_flags & M_EXT) == 0) { 1085 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1086 m_freem(m); 1087 ifp->if_ierrors++; 1088 DPRINTF(("wi_rx_intr: MCLGET failed\n")); 1089 return; 1090 } 1091 } 1092 1093 m->m_data += off - sizeof(struct ieee80211_frame); 1094 memcpy(m->m_data, &frmhdr.wi_whdr, sizeof(struct ieee80211_frame)); 1095 wi_read_bap(sc, fid, sizeof(frmhdr), 1096 m->m_data + sizeof(struct ieee80211_frame), len); 1097 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame) + len; 1098 m->m_pkthdr.rcvif = ifp; 1099 1100 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1101 1102 #if NBPFILTER > 0 1103 if (sc->sc_drvbpf) { 1104 struct mbuf mb; 1105 1106 M_COPY_PKTHDR(&mb, m); 1107 mb.m_data = (caddr_t)&frmhdr; 1108 mb.m_len = sizeof(frmhdr); 1109 mb.m_next = m; 1110 mb.m_pkthdr.len += mb.m_len; 1111 bpf_mtap(sc->sc_drvbpf, &mb); 1112 } 1113 #endif 1114 wh = mtod(m, struct ieee80211_frame *); 1115 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1116 /* 1117 * WEP is decrypted by hardware. Clear WEP bit 1118 * header for ieee80211_input(). 1119 */ 1120 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 1121 } 1122 ieee80211_input(ifp, m, 0 /*rssi*/, 0 /*rstamp*/); 1123 } 1124 1125 static void 1126 wi_tx_intr(struct wi_softc *sc) 1127 { 1128 struct ieee80211com *ic = &sc->sc_ic; 1129 struct ifnet *ifp = &ic->ic_if; 1130 int fid, cur; 1131 1132 fid = CSR_READ_2(sc, WI_ALLOC_FID); 1133 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 1134 1135 cur = sc->sc_txcur; 1136 if (sc->sc_txd[cur].d_fid != fid) { 1137 printf("%s: bad alloc %x != %x\n", 1138 sc->sc_dev.dv_xname, fid, sc->sc_txd[cur].d_fid); 1139 return; 1140 } 1141 sc->sc_tx_timer = 0; 1142 sc->sc_txd[cur].d_len = 0; 1143 sc->sc_txcur = cur = (cur + 1) % WI_NTXBUF; 1144 if (sc->sc_txd[cur].d_len == 0) 1145 ifp->if_flags &= ~IFF_OACTIVE; 1146 else { 1147 if (wi_cmd(sc, WI_CMD_TX | WI_RECLAIM, sc->sc_txd[cur].d_fid, 1148 0, 0)) { 1149 printf("%s: xmit failed\n", sc->sc_dev.dv_xname); 1150 sc->sc_txd[cur].d_len = 0; 1151 } else { 1152 sc->sc_tx_timer = 5; 1153 ifp->if_timer = 1; 1154 } 1155 } 1156 } 1157 1158 static void 1159 wi_info_intr(struct wi_softc *sc) 1160 { 1161 struct ieee80211com *ic = &sc->sc_ic; 1162 struct ifnet *ifp = &ic->ic_if; 1163 int i, fid, len, off; 1164 u_int16_t ltbuf[2]; 1165 u_int16_t stat; 1166 u_int32_t *ptr; 1167 1168 fid = CSR_READ_2(sc, WI_INFO_FID); 1169 wi_read_bap(sc, fid, 0, ltbuf, sizeof(ltbuf)); 1170 1171 switch (le16toh(ltbuf[1])) { 1172 1173 case WI_INFO_LINK_STAT: 1174 wi_read_bap(sc, fid, sizeof(ltbuf), &stat, sizeof(stat)); 1175 DPRINTF(("wi_info_intr: LINK_STAT 0x%x\n", le16toh(stat))); 1176 switch (le16toh(stat)) { 1177 case CONNECTED: 1178 if (ic->ic_state == IEEE80211_S_RUN) 1179 break; 1180 /* FALLTHROUGH */ 1181 case AP_CHANGE: 1182 ieee80211_new_state(ifp, IEEE80211_S_RUN, -1); 1183 break; 1184 case AP_IN_RANGE: 1185 break; 1186 case AP_OUT_OF_RANGE: 1187 if (sc->sc_firmware_type == WI_SYMBOL && 1188 sc->sc_scan_timer > 0) { 1189 if (wi_cmd(sc, WI_CMD_INQUIRE, 1190 WI_INFO_HOST_SCAN_RESULTS, 0, 0) != 0) 1191 sc->sc_scan_timer = 0; 1192 break; 1193 } 1194 /* FALLTHROUGH */ 1195 case DISCONNECTED: 1196 case ASSOC_FAILED: 1197 if (ic->ic_opmode == IEEE80211_M_STA) 1198 ieee80211_new_state(ifp, IEEE80211_S_INIT, -1); 1199 break; 1200 } 1201 break; 1202 1203 case WI_INFO_COUNTERS: 1204 /* some card versions have a larger stats structure */ 1205 len = min(le16toh(ltbuf[0]) - 1, sizeof(sc->sc_stats) / 4); 1206 ptr = (u_int32_t *)&sc->sc_stats; 1207 off = sizeof(ltbuf); 1208 for (i = 0; i < len; i++, off += 2, ptr++) { 1209 wi_read_bap(sc, fid, off, &stat, sizeof(stat)); 1210 #ifdef WI_HERMES_STATS_WAR 1211 if (stat & 0xf000) 1212 stat = ~stat; 1213 #endif 1214 *ptr += stat; 1215 } 1216 ifp->if_collisions = sc->sc_stats.wi_tx_single_retries + 1217 sc->sc_stats.wi_tx_multi_retries + 1218 sc->sc_stats.wi_tx_retry_limit; 1219 break; 1220 1221 case WI_INFO_SCAN_RESULTS: 1222 case WI_INFO_HOST_SCAN_RESULTS: 1223 wi_scan_result(sc, fid, le16toh(ltbuf[0])); 1224 break; 1225 1226 default: 1227 DPRINTF(("wi_info_intr: got fid %x type %x len %d\n", fid, 1228 le16toh(ltbuf[1]), le16toh(ltbuf[0]))); 1229 break; 1230 } 1231 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_INFO); 1232 } 1233 1234 /* 1235 * Allocate a region of memory inside the NIC and zero 1236 * it out. 1237 */ 1238 static int 1239 wi_write_multi(struct wi_softc *sc) 1240 { 1241 struct ifnet *ifp = &sc->sc_ic.ic_if; 1242 int n = 0; 1243 struct wi_mcast mlist; 1244 struct ether_multi *enm; 1245 struct ether_multistep estep; 1246 1247 if ((ifp->if_flags & IFF_PROMISC) != 0) { 1248 allmulti: 1249 ifp->if_flags |= IFF_ALLMULTI; 1250 memset(&mlist, 0, sizeof(mlist)); 1251 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist, 1252 sizeof(mlist)); 1253 } 1254 1255 n = 0; 1256 ETHER_FIRST_MULTI(estep, &sc->sc_ic.ic_ec, enm); 1257 while (enm != NULL) { 1258 /* Punt on ranges or too many multicast addresses. */ 1259 if (!IEEE80211_ADDR_EQ(enm->enm_addrlo, enm->enm_addrhi) || 1260 n >= sizeof(mlist) / sizeof(mlist.wi_mcast[0])) 1261 goto allmulti; 1262 1263 IEEE80211_ADDR_COPY(&mlist.wi_mcast[n], enm->enm_addrlo); 1264 n++; 1265 ETHER_NEXT_MULTI(estep, enm); 1266 } 1267 ifp->if_flags &= ~IFF_ALLMULTI; 1268 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist, 1269 IEEE80211_ADDR_LEN * n); 1270 } 1271 1272 1273 static void 1274 wi_read_nicid(sc) 1275 struct wi_softc *sc; 1276 { 1277 struct wi_card_ident *id; 1278 char *p; 1279 int len; 1280 u_int16_t ver[4]; 1281 1282 /* getting chip identity */ 1283 memset(ver, 0, sizeof(ver)); 1284 len = sizeof(ver); 1285 wi_read_rid(sc, WI_RID_CARD_ID, ver, &len); 1286 printf("%s: using ", sc->sc_dev.dv_xname); 1287 DPRINTF2(("wi_read_nicid: CARD_ID: %x %x %x %x\n", le16toh(ver[0]), le16toh(ver[1]), le16toh(ver[2]), le16toh(ver[3]))); 1288 1289 sc->sc_firmware_type = WI_NOTYPE; 1290 for (id = wi_card_ident; id->card_name != NULL; id++) { 1291 if (le16toh(ver[0]) == id->card_id) { 1292 printf("%s", id->card_name); 1293 sc->sc_firmware_type = id->firm_type; 1294 break; 1295 } 1296 } 1297 if (sc->sc_firmware_type == WI_NOTYPE) { 1298 if (le16toh(ver[0]) & 0x8000) { 1299 printf("Unknown PRISM2 chip"); 1300 sc->sc_firmware_type = WI_INTERSIL; 1301 } else { 1302 printf("Unknown Lucent chip"); 1303 sc->sc_firmware_type = WI_LUCENT; 1304 } 1305 } 1306 1307 /* get primary firmware version (Only Prism chips) */ 1308 if (sc->sc_firmware_type != WI_LUCENT) { 1309 memset(ver, 0, sizeof(ver)); 1310 len = sizeof(ver); 1311 wi_read_rid(sc, WI_RID_PRI_IDENTITY, ver, &len); 1312 sc->sc_pri_firmware_ver = le16toh(ver[2]) * 10000 + 1313 le16toh(ver[3]) * 100 + le16toh(ver[1]); 1314 DPRINTF2(("wi_read_nicid: PRI_ID: %x %x %x %x\n", le16toh(ver[0]), le16toh(ver[1]), le16toh(ver[2]), le16toh(ver[3]))); 1315 } 1316 1317 /* get station firmware version */ 1318 memset(ver, 0, sizeof(ver)); 1319 len = sizeof(ver); 1320 wi_read_rid(sc, WI_RID_STA_IDENTITY, ver, &len); 1321 sc->sc_sta_firmware_ver = le16toh(ver[2]) * 10000 + 1322 le16toh(ver[3]) * 100 + le16toh(ver[1]); 1323 DPRINTF2(("wi_read_nicid: STA_ID: %x %x %x %x\n", le16toh(ver[0]), le16toh(ver[1]), le16toh(ver[2]), le16toh(ver[3]))); 1324 if (sc->sc_firmware_type == WI_INTERSIL && 1325 (sc->sc_sta_firmware_ver == 10102 || 1326 sc->sc_sta_firmware_ver == 20102)) { 1327 char ident[12]; 1328 memset(ident, 0, sizeof(ident)); 1329 len = sizeof(ident); 1330 /* value should be the format like "V2.00-11" */ 1331 if (wi_read_rid(sc, WI_RID_SYMBOL_IDENTITY, ident, &len) == 0 && 1332 *(p = (char *)ident) >= 'A' && 1333 p[2] == '.' && p[5] == '-' && p[8] == '\0') { 1334 sc->sc_firmware_type = WI_SYMBOL; 1335 sc->sc_sta_firmware_ver = (p[1] - '0') * 10000 + 1336 (p[3] - '0') * 1000 + (p[4] - '0') * 100 + 1337 (p[6] - '0') * 10 + (p[7] - '0'); 1338 } 1339 DPRINTF2(("wi_read_nicid: SYMBOL_ID: %x %x %x %x\n", le16toh(ident[0]), le16toh(ident[1]), le16toh(ident[2]), le16toh(ident[3]))); 1340 } 1341 1342 printf("\n%s: %s Firmware: ", sc->sc_dev.dv_xname, 1343 sc->sc_firmware_type == WI_LUCENT ? "Lucent" : 1344 (sc->sc_firmware_type == WI_SYMBOL ? "Symbol" : "Intersil")); 1345 if (sc->sc_firmware_type != WI_LUCENT) /* XXX */ 1346 printf("Primary (%u.%u.%u), ", 1347 sc->sc_pri_firmware_ver / 10000, 1348 (sc->sc_pri_firmware_ver % 10000) / 100, 1349 sc->sc_pri_firmware_ver % 100); 1350 printf("Station (%u.%u.%u)\n", 1351 sc->sc_sta_firmware_ver / 10000, 1352 (sc->sc_sta_firmware_ver % 10000) / 100, 1353 sc->sc_sta_firmware_ver % 100); 1354 } 1355 1356 static int 1357 wi_write_ssid(struct wi_softc *sc, int rid, u_int8_t *buf, int buflen) 1358 { 1359 struct wi_ssid ssid; 1360 1361 if (buflen > IEEE80211_NWID_LEN) 1362 return ENOBUFS; 1363 ssid.wi_len = htole16(buflen); 1364 memcpy(ssid.wi_ssid, buf, buflen); 1365 return wi_write_rid(sc, rid, &ssid, sizeof(ssid.wi_len) + buflen); 1366 } 1367 1368 static int 1369 wi_get_cfg(struct ifnet *ifp, u_long cmd, caddr_t data) 1370 { 1371 struct wi_softc *sc = ifp->if_softc; 1372 struct ieee80211com *ic = &sc->sc_ic; 1373 struct ifreq *ifr = (struct ifreq *)data; 1374 struct wi_req wreq; 1375 int len, n, error; 1376 1377 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 1378 if (error) 1379 return error; 1380 len = (wreq.wi_len - 1) * 2; 1381 if (len < sizeof(u_int16_t)) 1382 return ENOSPC; 1383 if (len > sizeof(wreq.wi_val)) 1384 len = sizeof(wreq.wi_val); 1385 1386 switch (wreq.wi_type) { 1387 1388 case WI_RID_IFACE_STATS: 1389 memcpy(wreq.wi_val, &sc->sc_stats, sizeof(sc->sc_stats)); 1390 if (len < sizeof(sc->sc_stats)) 1391 error = ENOSPC; 1392 else 1393 len = sizeof(sc->sc_stats); 1394 break; 1395 1396 case WI_RID_ENCRYPTION: 1397 case WI_RID_TX_CRYPT_KEY: 1398 case WI_RID_DEFLT_CRYPT_KEYS: 1399 return ieee80211_cfgget(ifp, cmd, data); 1400 1401 case WI_RID_TX_RATE: 1402 if (ic->ic_fixed_rate < 0) 1403 wreq.wi_val[0] = htole16(3); /*XXX*/ 1404 else 1405 wreq.wi_val[0] = htole16( 1406 (ic->ic_sup_rates[ic->ic_fixed_rate] & 1407 IEEE80211_RATE_VAL) / 2); 1408 len = sizeof(u_int16_t); 1409 break; 1410 1411 case WI_RID_MICROWAVE_OVEN: 1412 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_MOR)) { 1413 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 1414 &len); 1415 break; 1416 } 1417 wreq.wi_val[0] = htole16(sc->sc_microwave_oven); 1418 len = sizeof(u_int16_t); 1419 break; 1420 1421 case WI_RID_ROAMING_MODE: 1422 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_ROAMING)) { 1423 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 1424 &len); 1425 break; 1426 } 1427 wreq.wi_val[0] = htole16(sc->sc_roaming_mode); 1428 len = sizeof(u_int16_t); 1429 break; 1430 1431 case WI_RID_SYSTEM_SCALE: 1432 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE)) { 1433 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 1434 &len); 1435 break; 1436 } 1437 wreq.wi_val[0] = htole16(sc->sc_system_scale); 1438 len = sizeof(u_int16_t); 1439 break; 1440 1441 case WI_RID_READ_APS: 1442 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 1443 return ieee80211_cfgget(ifp, cmd, data); 1444 if (sc->sc_scan_timer > 0) { 1445 error = EINPROGRESS; 1446 break; 1447 } 1448 n = sc->sc_naps; 1449 if (len < sizeof(n)) { 1450 error = ENOSPC; 1451 break; 1452 } 1453 if (len < sizeof(n) + sizeof(struct wi_apinfo) * n) 1454 n = (len - sizeof(n)) / sizeof(struct wi_apinfo); 1455 len = sizeof(n) + sizeof(struct wi_apinfo) * n; 1456 memcpy(wreq.wi_val, &n, sizeof(n)); 1457 memcpy((caddr_t)wreq.wi_val + sizeof(n), sc->sc_aps, 1458 sizeof(struct wi_apinfo) * n); 1459 break; 1460 1461 default: 1462 if (sc->sc_enabled) { 1463 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 1464 &len); 1465 break; 1466 } 1467 switch (wreq.wi_type) { 1468 case WI_RID_MAX_DATALEN: 1469 wreq.wi_val[0] = htole16(sc->sc_max_datalen); 1470 len = sizeof(u_int16_t); 1471 break; 1472 case WI_RID_RTS_THRESH: 1473 wreq.wi_val[0] = htole16(sc->sc_rts_thresh); 1474 len = sizeof(u_int16_t); 1475 break; 1476 case WI_RID_CNFAUTHMODE: 1477 wreq.wi_val[0] = htole16(sc->sc_cnfauthmode); 1478 len = sizeof(u_int16_t); 1479 break; 1480 case WI_RID_NODENAME: 1481 if (len < sc->sc_nodelen + sizeof(u_int16_t)) { 1482 error = ENOSPC; 1483 break; 1484 } 1485 len = sc->sc_nodelen + sizeof(u_int16_t); 1486 wreq.wi_val[0] = htole16((sc->sc_nodelen + 1) / 2); 1487 memcpy(&wreq.wi_val[1], sc->sc_nodename, 1488 sc->sc_nodelen); 1489 break; 1490 default: 1491 return ieee80211_cfgget(ifp, cmd, data); 1492 } 1493 break; 1494 } 1495 if (error) 1496 return error; 1497 wreq.wi_len = (len + 1) / 2 + 1; 1498 return copyout(&wreq, ifr->ifr_data, (wreq.wi_len + 1) * 2); 1499 } 1500 1501 static int 1502 wi_set_cfg(struct ifnet *ifp, u_long cmd, caddr_t data) 1503 { 1504 struct wi_softc *sc = ifp->if_softc; 1505 struct ieee80211com *ic = &sc->sc_ic; 1506 struct ifreq *ifr = (struct ifreq *)data; 1507 struct wi_req wreq; 1508 struct mbuf *m; 1509 int i, len, error; 1510 1511 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 1512 if (error) 1513 return error; 1514 len = (wreq.wi_len - 1) * 2; 1515 switch (wreq.wi_type) { 1516 case WI_RID_NODENAME: 1517 if (le16toh(wreq.wi_val[0]) * 2 > len || 1518 le16toh(wreq.wi_val[0]) > sizeof(sc->sc_nodename)) { 1519 error = ENOSPC; 1520 break; 1521 } 1522 if (sc->sc_enabled) { 1523 error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val, 1524 len); 1525 if (error) 1526 break; 1527 } 1528 sc->sc_nodelen = le16toh(wreq.wi_val[0]) * 2; 1529 memcpy(sc->sc_nodename, &wreq.wi_val[1], sc->sc_nodelen); 1530 break; 1531 1532 case WI_RID_MICROWAVE_OVEN: 1533 case WI_RID_ROAMING_MODE: 1534 case WI_RID_SYSTEM_SCALE: 1535 if (wreq.wi_type == WI_RID_MICROWAVE_OVEN && 1536 (sc->sc_flags & WI_FLAGS_HAS_MOR) == 0) 1537 break; 1538 if (wreq.wi_type == WI_RID_ROAMING_MODE && 1539 (sc->sc_flags & WI_FLAGS_HAS_ROAMING) == 0) 1540 break; 1541 if (wreq.wi_type == WI_RID_SYSTEM_SCALE && 1542 (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE) == 0) 1543 break; 1544 /* FALLTHROUGH */ 1545 case WI_RID_RTS_THRESH: 1546 case WI_RID_CNFAUTHMODE: 1547 case WI_RID_MAX_DATALEN: 1548 if (sc->sc_enabled) { 1549 error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val, 1550 sizeof(u_int16_t)); 1551 if (error) 1552 break; 1553 } 1554 switch (wreq.wi_type) { 1555 case WI_RID_RTS_THRESH: 1556 sc->sc_rts_thresh = le16toh(wreq.wi_val[0]); 1557 break; 1558 case WI_RID_MICROWAVE_OVEN: 1559 sc->sc_microwave_oven = le16toh(wreq.wi_val[0]); 1560 break; 1561 case WI_RID_ROAMING_MODE: 1562 sc->sc_roaming_mode = le16toh(wreq.wi_val[0]); 1563 break; 1564 case WI_RID_SYSTEM_SCALE: 1565 sc->sc_system_scale = le16toh(wreq.wi_val[0]); 1566 break; 1567 case WI_RID_CNFAUTHMODE: 1568 sc->sc_cnfauthmode = le16toh(wreq.wi_val[0]); 1569 break; 1570 case WI_RID_MAX_DATALEN: 1571 sc->sc_max_datalen = le16toh(wreq.wi_val[0]); 1572 break; 1573 } 1574 break; 1575 1576 case WI_RID_TX_RATE: 1577 switch (le16toh(wreq.wi_val[0])) { 1578 case 3: 1579 ic->ic_fixed_rate = -1; 1580 break; 1581 default: 1582 for (i = 0; i < IEEE80211_RATE_SIZE; i++) { 1583 if ((ic->ic_sup_rates[i] & IEEE80211_RATE_VAL) 1584 / 2 == le16toh(wreq.wi_val[0])) 1585 break; 1586 } 1587 if (i == IEEE80211_RATE_SIZE) 1588 return EINVAL; 1589 ic->ic_fixed_rate = i; 1590 } 1591 if (sc->sc_enabled) 1592 error = wi_write_txrate(sc); 1593 break; 1594 1595 case WI_RID_SCAN_APS: 1596 if (sc->sc_enabled && ic->ic_opmode != IEEE80211_M_HOSTAP) 1597 error = wi_scan_ap(sc); 1598 break; 1599 1600 case WI_RID_MGMT_XMIT: 1601 if (!sc->sc_enabled) { 1602 error = ENETDOWN; 1603 break; 1604 } 1605 if (ic->ic_mgtq.ifq_len > 5) { 1606 error = EAGAIN; 1607 break; 1608 } 1609 /* XXX wi_len looks in u_int8_t, not in u_int16_t */ 1610 m = m_devget((char *)&wreq.wi_val, wreq.wi_len, 0, ifp, NULL); 1611 if (m == NULL) { 1612 error = ENOMEM; 1613 break; 1614 } 1615 IF_ENQUEUE(&ic->ic_mgtq, m); 1616 break; 1617 1618 default: 1619 if (sc->sc_enabled) { 1620 error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val, 1621 len); 1622 if (error) 1623 break; 1624 } 1625 error = ieee80211_cfgset(ifp, cmd, data); 1626 break; 1627 } 1628 return error; 1629 } 1630 1631 static int 1632 wi_write_txrate(struct wi_softc *sc) 1633 { 1634 struct ieee80211com *ic = &sc->sc_ic; 1635 int i; 1636 u_int16_t rate; 1637 1638 if (ic->ic_fixed_rate < 0) 1639 rate = 0; /* auto */ 1640 else 1641 rate = (ic->ic_sup_rates[ic->ic_fixed_rate] & 1642 IEEE80211_RATE_VAL) / 2; 1643 1644 /* rate: 0, 1, 2, 5, 11 */ 1645 1646 switch (sc->sc_firmware_type) { 1647 case WI_LUCENT: 1648 if (rate == 0) 1649 rate = 3; /* auto */ 1650 break; 1651 default: 1652 for (i = 8; i > 0; i >>= 1) { 1653 if (rate >= i) 1654 break; 1655 } 1656 if (i == 0) 1657 rate = 0xf; /* auto */ 1658 else 1659 rate = i; 1660 break; 1661 } 1662 return wi_write_val(sc, WI_RID_TX_RATE, rate); 1663 } 1664 1665 static int 1666 wi_write_wep(struct wi_softc *sc) 1667 { 1668 struct ieee80211com *ic = &sc->sc_ic; 1669 int error = 0; 1670 int i, keylen; 1671 u_int16_t val; 1672 struct wi_key wkey[IEEE80211_WEP_NKID]; 1673 1674 switch (sc->sc_firmware_type) { 1675 case WI_LUCENT: 1676 val = (ic->ic_flags & IEEE80211_F_WEPON) ? 1 : 0; 1677 error = wi_write_val(sc, WI_RID_ENCRYPTION, val); 1678 if (error) 1679 break; 1680 error = wi_write_val(sc, WI_RID_TX_CRYPT_KEY, ic->ic_wep_txkey); 1681 if (error) 1682 break; 1683 memset(wkey, 0, sizeof(wkey)); 1684 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1685 keylen = ic->ic_nw_keys[i].wk_len; 1686 wkey[i].wi_keylen = htole16(keylen); 1687 memcpy(wkey[i].wi_keydat, ic->ic_nw_keys[i].wk_key, 1688 keylen); 1689 } 1690 error = wi_write_rid(sc, WI_RID_DEFLT_CRYPT_KEYS, 1691 wkey, sizeof(wkey)); 1692 break; 1693 1694 case WI_INTERSIL: 1695 case WI_SYMBOL: 1696 if (ic->ic_flags & IEEE80211_F_WEPON) { 1697 /* 1698 * ONLY HWB3163 EVAL-CARD Firmware version 1699 * less than 0.8 variant2 1700 * 1701 * If promiscuous mode disable, Prism2 chip 1702 * does not work with WEP . 1703 * It is under investigation for details. 1704 * (ichiro (at) netbsd.org) 1705 */ 1706 if (sc->sc_firmware_type == WI_INTERSIL && 1707 sc->sc_sta_firmware_ver < 802 ) { 1708 /* firm ver < 0.8 variant 2 */ 1709 wi_write_val(sc, WI_RID_PROMISC, 1); 1710 } 1711 wi_write_val(sc, WI_RID_CNFAUTHMODE, 1712 sc->sc_cnfauthmode); 1713 val = PRIVACY_INVOKED | EXCLUDE_UNENCRYPTED; 1714 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 1715 val |= HOST_ENCRYPT; 1716 } else { 1717 wi_write_val(sc, WI_RID_CNFAUTHMODE, 1); /* open */ 1718 val = HOST_ENCRYPT | HOST_DECRYPT; 1719 } 1720 error = wi_write_val(sc, WI_RID_P2_ENCRYPTION, val); 1721 if (error) 1722 break; 1723 error = wi_write_val(sc, WI_RID_P2_TX_CRYPT_KEY, 1724 ic->ic_wep_txkey); 1725 if (error) 1726 break; 1727 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1728 keylen = ic->ic_nw_keys[i].wk_len; 1729 if (keylen > IEEE80211_WEP_KEYLEN) 1730 keylen = 13; /* 104bit keys */ 1731 else 1732 keylen = IEEE80211_WEP_KEYLEN; 1733 error = wi_write_rid(sc, WI_RID_P2_CRYPT_KEY0 + i, 1734 ic->ic_nw_keys[i].wk_key, keylen); 1735 if (error) 1736 break; 1737 } 1738 break; 1739 } 1740 return error; 1741 } 1742 1743 /* Must be called at proper protection level! */ 1744 static int 1745 wi_cmd(struct wi_softc *sc, int cmd, int val0, int val1, int val2) 1746 { 1747 int i, status; 1748 1749 /* wait for the busy bit to clear */ 1750 for (i = 0; ; i++) { 1751 if ((CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY) == 0) 1752 break; 1753 if (i == WI_TIMEOUT) { 1754 printf("%s: wi_cmd: BUSY did not clear, " 1755 "cmd=0x%x, prev=0x%x\n", sc->sc_dev.dv_xname, 1756 cmd, CSR_READ_2(sc, WI_COMMAND)); 1757 return EIO; 1758 } 1759 DELAY(1); 1760 } 1761 1762 CSR_WRITE_2(sc, WI_PARAM0, val0); 1763 CSR_WRITE_2(sc, WI_PARAM1, val1); 1764 CSR_WRITE_2(sc, WI_PARAM2, val2); 1765 CSR_WRITE_2(sc, WI_COMMAND, cmd); 1766 1767 if (cmd == WI_CMD_INI) { 1768 /* XXX: should sleep here. */ 1769 DELAY(100*1000); 1770 } 1771 /* wait for the cmd completed bit */ 1772 for (i = 0; i < WI_TIMEOUT; i++) { 1773 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD) 1774 break; 1775 DELAY(1); 1776 } 1777 1778 status = CSR_READ_2(sc, WI_STATUS); 1779 1780 /* Ack the command */ 1781 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD); 1782 1783 if (i == WI_TIMEOUT) { 1784 printf("%s: command timed out, cmd=0x%x, arg=0x%x\n", 1785 sc->sc_dev.dv_xname, cmd, val0); 1786 return ETIMEDOUT; 1787 } 1788 1789 if (status & WI_STAT_CMD_RESULT) { 1790 printf("%s: command failed, cmd=0x%x, arg=0x%x\n", 1791 sc->sc_dev.dv_xname, cmd, val0); 1792 return EIO; 1793 } 1794 return 0; 1795 } 1796 1797 static int 1798 wi_seek_bap(struct wi_softc *sc, int id, int off) 1799 { 1800 int i, status; 1801 1802 CSR_WRITE_2(sc, WI_SEL0, id); 1803 CSR_WRITE_2(sc, WI_OFF0, off); 1804 1805 for (i = 0; ; i++) { 1806 status = CSR_READ_2(sc, WI_OFF0); 1807 if ((status & WI_OFF_BUSY) == 0) 1808 break; 1809 if (i == WI_TIMEOUT) { 1810 printf("%s: timeout in wi_seek to %x/%x\n", 1811 sc->sc_dev.dv_xname, id, off); 1812 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 1813 return ETIMEDOUT; 1814 } 1815 DELAY(1); 1816 } 1817 if (status & WI_OFF_ERR) { 1818 printf("%s: failed in wi_seek to %x/%x\n", 1819 sc->sc_dev.dv_xname, id, off); 1820 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 1821 return EIO; 1822 } 1823 sc->sc_bap_id = id; 1824 sc->sc_bap_off = off; 1825 return 0; 1826 } 1827 1828 static int 1829 wi_read_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen) 1830 { 1831 int error, cnt; 1832 1833 if (buflen == 0) 1834 return 0; 1835 if (id != sc->sc_bap_id || off != sc->sc_bap_off) { 1836 if ((error = wi_seek_bap(sc, id, off)) != 0) 1837 return error; 1838 } 1839 cnt = (buflen + 1) / 2; 1840 CSR_READ_MULTI_STREAM_2(sc, WI_DATA0, (u_int16_t *)buf, cnt); 1841 sc->sc_bap_off += cnt * 2; 1842 return 0; 1843 } 1844 1845 static int 1846 wi_write_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen) 1847 { 1848 int error, cnt; 1849 1850 if (buflen == 0) 1851 return 0; 1852 1853 #ifdef WI_HERMES_AUTOINC_WAR 1854 again: 1855 #endif 1856 if (id != sc->sc_bap_id || off != sc->sc_bap_off) { 1857 if ((error = wi_seek_bap(sc, id, off)) != 0) 1858 return error; 1859 } 1860 cnt = (buflen + 1) / 2; 1861 CSR_WRITE_MULTI_STREAM_2(sc, WI_DATA0, (u_int16_t *)buf, cnt); 1862 sc->sc_bap_off += cnt * 2; 1863 1864 #ifdef WI_HERMES_AUTOINC_WAR 1865 /* 1866 * According to the comments in the HCF Light code, there is a bug 1867 * in the Hermes (or possibly in certain Hermes firmware revisions) 1868 * where the chip's internal autoincrement counter gets thrown off 1869 * during data writes: the autoincrement is missed, causing one 1870 * data word to be overwritten and subsequent words to be written to 1871 * the wrong memory locations. The end result is that we could end 1872 * up transmitting bogus frames without realizing it. The workaround 1873 * for this is to write a couple of extra guard words after the end 1874 * of the transfer, then attempt to read then back. If we fail to 1875 * locate the guard words where we expect them, we preform the 1876 * transfer over again. 1877 */ 1878 if ((sc->sc_flags & WI_FLAGS_BUG_AUTOINC) && (id & 0xf000) == 0) { 1879 CSR_WRITE_2(sc, WI_DATA0, 0x1234); 1880 CSR_WRITE_2(sc, WI_DATA0, 0x5678); 1881 wi_seek_bap(sc, id, sc->sc_bap_off); 1882 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 1883 if (CSR_READ_2(sc, WI_DATA0) != 0x1234 || 1884 CSR_READ_2(sc, WI_DATA0) != 0x5678) { 1885 printf("%s: detect auto increment bug, try again\n", 1886 sc->sc_dev.dv_xname); 1887 goto again; 1888 } 1889 } 1890 #endif 1891 return 0; 1892 } 1893 1894 static int 1895 wi_alloc_fid(struct wi_softc *sc, int len, int *idp) 1896 { 1897 int i; 1898 1899 if (wi_cmd(sc, WI_CMD_ALLOC_MEM, len, 0, 0)) { 1900 printf("%s: failed to allocate %d bytes on NIC\n", 1901 sc->sc_dev.dv_xname, len); 1902 return ENOMEM; 1903 } 1904 1905 for (i = 0; i < WI_TIMEOUT; i++) { 1906 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_ALLOC) 1907 break; 1908 if (i == WI_TIMEOUT) { 1909 printf("%s: timeout in alloc\n", sc->sc_dev.dv_xname); 1910 return ETIMEDOUT; 1911 } 1912 DELAY(1); 1913 } 1914 *idp = CSR_READ_2(sc, WI_ALLOC_FID); 1915 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 1916 return 0; 1917 } 1918 1919 static int 1920 wi_read_rid(struct wi_softc *sc, int rid, void *buf, int *buflenp) 1921 { 1922 int error, len; 1923 u_int16_t ltbuf[2]; 1924 1925 /* Tell the NIC to enter record read mode. */ 1926 error = wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_READ, rid, 0, 0); 1927 if (error) 1928 return error; 1929 1930 error = wi_read_bap(sc, rid, 0, ltbuf, sizeof(ltbuf)); 1931 if (error) 1932 return error; 1933 1934 if (le16toh(ltbuf[1]) != rid) { 1935 printf("%s: record read mismatch, rid=%x, got=%x\n", 1936 sc->sc_dev.dv_xname, rid, le16toh(ltbuf[1])); 1937 return EIO; 1938 } 1939 len = (le16toh(ltbuf[0]) - 1) * 2; /* already got rid */ 1940 if (*buflenp < len) { 1941 printf("%s: record buffer is too small, " 1942 "rid=%x, size=%d, len=%d\n", 1943 sc->sc_dev.dv_xname, rid, *buflenp, len); 1944 return ENOSPC; 1945 } 1946 *buflenp = len; 1947 return wi_read_bap(sc, rid, sizeof(ltbuf), buf, len); 1948 } 1949 1950 static int 1951 wi_write_rid(struct wi_softc *sc, int rid, void *buf, int buflen) 1952 { 1953 int error; 1954 u_int16_t ltbuf[2]; 1955 1956 ltbuf[0] = htole16((buflen + 1) / 2 + 1); /* includes rid */ 1957 ltbuf[1] = htole16(rid); 1958 1959 error = wi_write_bap(sc, rid, 0, ltbuf, sizeof(ltbuf)); 1960 if (error) 1961 return error; 1962 error = wi_write_bap(sc, rid, sizeof(ltbuf), buf, buflen); 1963 if (error) 1964 return error; 1965 1966 return wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_WRITE, rid, 0, 0); 1967 } 1968 1969 static int 1970 wi_newstate(void *arg, enum ieee80211_state nstate) 1971 { 1972 struct wi_softc *sc = arg; 1973 struct ieee80211com *ic = &sc->sc_ic; 1974 struct ieee80211_node *ni = &ic->ic_bss; 1975 int buflen; 1976 u_int16_t val; 1977 struct wi_ssid ssid; 1978 enum ieee80211_state ostate; 1979 #ifdef WI_DEBUG 1980 static const char *stname[] = 1981 { "INIT", "SCAN", "AUTH", "ASSOC", "RUN" }; 1982 #endif /* WI_DEBUG */ 1983 1984 ostate = ic->ic_state; 1985 DPRINTF(("wi_newstate: %s -> %s\n", stname[ostate], stname[nstate])); 1986 1987 ic->ic_state = nstate; 1988 switch (nstate) { 1989 case IEEE80211_S_INIT: 1990 ic->ic_flags &= ~IEEE80211_F_SIBSS; 1991 return 0; 1992 1993 case IEEE80211_S_RUN: 1994 buflen = IEEE80211_ADDR_LEN; 1995 wi_read_rid(sc, WI_RID_CURRENT_BSSID, ni->ni_bssid, &buflen); 1996 IEEE80211_ADDR_COPY(ni->ni_macaddr, ni->ni_bssid); 1997 buflen = sizeof(val); 1998 wi_read_rid(sc, WI_RID_CURRENT_CHAN, &val, &buflen); 1999 ni->ni_chan = le16toh(val); 2000 2001 buflen = sizeof(ssid); 2002 wi_read_rid(sc, WI_RID_CURRENT_SSID, &ssid, &buflen); 2003 ni->ni_esslen = le16toh(ssid.wi_len); 2004 if (ni->ni_esslen > IEEE80211_NWID_LEN) 2005 ni->ni_esslen = IEEE80211_NWID_LEN; /*XXX*/ 2006 memcpy(ni->ni_essid, ssid.wi_ssid, ni->ni_esslen); 2007 break; 2008 2009 case IEEE80211_S_SCAN: 2010 case IEEE80211_S_AUTH: 2011 case IEEE80211_S_ASSOC: 2012 break; 2013 } 2014 2015 /* skip standard ieee80211 handling */ 2016 return EINPROGRESS; 2017 } 2018 2019 static int 2020 wi_scan_ap(struct wi_softc *sc) 2021 { 2022 int error = 0; 2023 u_int16_t val[2]; 2024 2025 if (!sc->sc_enabled) 2026 return ENXIO; 2027 switch (sc->sc_firmware_type) { 2028 case WI_LUCENT: 2029 (void)wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_SCAN_RESULTS, 0, 0); 2030 break; 2031 case WI_INTERSIL: 2032 val[0] = 0x3fff; /* channel */ 2033 val[1] = 0x000f; /* tx rate */ 2034 error = wi_write_rid(sc, WI_RID_SCAN_REQ, val, sizeof(val)); 2035 break; 2036 case WI_SYMBOL: 2037 /* 2038 * XXX only supported on 3.x ? 2039 */ 2040 val[0] = BSCAN_BCAST | BSCAN_ONETIME; 2041 error = wi_write_rid(sc, WI_RID_BCAST_SCAN_REQ, 2042 val, sizeof(val[0])); 2043 break; 2044 } 2045 if (error == 0) { 2046 sc->sc_scan_timer = WI_SCAN_WAIT; 2047 sc->sc_ic.ic_if.if_timer = 1; 2048 DPRINTF(("wi_scan_ap: start scanning\n")); 2049 } 2050 return error; 2051 } 2052 2053 static void 2054 wi_scan_result(struct wi_softc *sc, int fid, int cnt) 2055 { 2056 int i, naps, off, szbuf; 2057 struct wi_scan_header ws_hdr; /* Prism2 header */ 2058 struct wi_scan_data_p2 ws_dat; /* Prism2 scantable*/ 2059 struct wi_apinfo *ap; 2060 2061 off = sizeof(u_int16_t) * 2; 2062 memset(&ws_hdr, 0, sizeof(ws_hdr)); 2063 switch (sc->sc_firmware_type) { 2064 case WI_INTERSIL: 2065 wi_read_bap(sc, fid, off, &ws_hdr, sizeof(ws_hdr)); 2066 off += sizeof(ws_hdr); 2067 szbuf = sizeof(struct wi_scan_data_p2); 2068 break; 2069 case WI_SYMBOL: 2070 szbuf = sizeof(struct wi_scan_data_p2) + 6; 2071 break; 2072 case WI_LUCENT: 2073 szbuf = sizeof(struct wi_scan_data); 2074 break; 2075 } 2076 naps = (cnt * 2 + 2 - off) / szbuf; 2077 if (naps > MAXAPINFO) 2078 naps = MAXAPINFO; 2079 sc->sc_naps = naps; 2080 /* Read Data */ 2081 ap = sc->sc_aps; 2082 memset(&ws_dat, 0, sizeof(ws_dat)); 2083 for (i = 0; i < naps; i++, ap++) { 2084 wi_read_bap(sc, fid, off, &ws_dat, 2085 (sizeof(ws_dat) < szbuf ? sizeof(ws_dat) : szbuf)); 2086 DPRINTF2(("wi_scan_result: #%d: off %d bssid %s\n", i, off, 2087 ether_sprintf(ws_dat.wi_bssid))); 2088 off += szbuf; 2089 ap->scanreason = le16toh(ws_hdr.wi_reason); 2090 memcpy(ap->bssid, ws_dat.wi_bssid, sizeof(ap->bssid)); 2091 ap->channel = le16toh(ws_dat.wi_chid); 2092 ap->signal = le16toh(ws_dat.wi_signal); 2093 ap->noise = le16toh(ws_dat.wi_noise); 2094 ap->quality = ap->signal - ap->noise; 2095 ap->capinfo = le16toh(ws_dat.wi_capinfo); 2096 ap->interval = le16toh(ws_dat.wi_interval); 2097 ap->rate = le16toh(ws_dat.wi_rate); 2098 ap->namelen = le16toh(ws_dat.wi_namelen); 2099 if (ap->namelen > sizeof(ap->name)) 2100 ap->namelen = sizeof(ap->name); 2101 memcpy(ap->name, ws_dat.wi_name, ap->namelen); 2102 } 2103 /* Done scanning */ 2104 sc->sc_scan_timer = 0; 2105 DPRINTF(("wi_scan_result: scan complete: ap %d\n", naps)); 2106 } 2107
Indexes created Tue Sep 23 02:09:52 GMT 2025