wi.c revision 1.219.2.3
1 /* $NetBSD: wi.c,v 1.219.2.3 2007/10/23 20:07:53 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1997, 1998, 1999 41 * Bill Paul <wpaul (at) ctr.columbia.edu>. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Bill Paul. 54 * 4. Neither the name of the author nor the names of any co-contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 68 * THE POSSIBILITY OF SUCH DAMAGE. 69 */ 70 71 /* 72 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for NetBSD. 73 * 74 * Original FreeBSD driver written by Bill Paul <wpaul (at) ctr.columbia.edu> 75 * Electrical Engineering Department 76 * Columbia University, New York City 77 */ 78 79 /* 80 * The WaveLAN/IEEE adapter is the second generation of the WaveLAN 81 * from Lucent. Unlike the older cards, the new ones are programmed 82 * entirely via a firmware-driven controller called the Hermes. 83 * Unfortunately, Lucent will not release the Hermes programming manual 84 * without an NDA (if at all). What they do release is an API library 85 * called the HCF (Hardware Control Functions) which is supposed to 86 * do the device-specific operations of a device driver for you. The 87 * publically available version of the HCF library (the 'HCF Light') is 88 * a) extremely gross, b) lacks certain features, particularly support 89 * for 802.11 frames, and c) is contaminated by the GNU Public License. 90 * 91 * This driver does not use the HCF or HCF Light at all. Instead, it 92 * programs the Hermes controller directly, using information gleaned 93 * from the HCF Light code and corresponding documentation. 94 * 95 * This driver supports both the PCMCIA and ISA versions of the 96 * WaveLAN/IEEE cards. Note however that the ISA card isn't really 97 * anything of the sort: it's actually a PCMCIA bridge adapter 98 * that fits into an ISA slot, into which a PCMCIA WaveLAN card is 99 * inserted. Consequently, you need to use the pccard support for 100 * both the ISA and PCMCIA adapters. 101 */ 102 103 /* 104 * FreeBSD driver ported to NetBSD by Bill Sommerfeld in the back of the 105 * Oslo IETF plenary meeting. 106 */ 107 108 #include <sys/cdefs.h> 109 __KERNEL_RCSID(0, "$NetBSD: wi.c,v 1.219.2.3 2007/10/23 20:07:53 ad Exp $"); 110 111 #define WI_HERMES_AUTOINC_WAR /* Work around data write autoinc bug. */ 112 #define WI_HERMES_STATS_WAR /* Work around stats counter bug. */ 113 #undef WI_HISTOGRAM 114 #undef WI_RING_DEBUG 115 #define STATIC static 116 117 #include "bpfilter.h" 118 119 #include <sys/param.h> 120 #include <sys/sysctl.h> 121 #include <sys/systm.h> 122 #include <sys/callout.h> 123 #include <sys/device.h> 124 #include <sys/socket.h> 125 #include <sys/mbuf.h> 126 #include <sys/ioctl.h> 127 #include <sys/kernel.h> /* for hz */ 128 #include <sys/proc.h> 129 #include <sys/kauth.h> 130 131 #include <net/if.h> 132 #include <net/if_dl.h> 133 #include <net/if_llc.h> 134 #include <net/if_media.h> 135 #include <net/if_ether.h> 136 #include <net/route.h> 137 138 #include <net80211/ieee80211_netbsd.h> 139 #include <net80211/ieee80211_var.h> 140 #include <net80211/ieee80211_ioctl.h> 141 #include <net80211/ieee80211_radiotap.h> 142 #include <net80211/ieee80211_rssadapt.h> 143 144 #if NBPFILTER > 0 145 #include <net/bpf.h> 146 #include <net/bpfdesc.h> 147 #endif 148 149 #include <sys/bus.h> 150 151 #include <dev/ic/wi_ieee.h> 152 #include <dev/ic/wireg.h> 153 #include <dev/ic/wivar.h> 154 155 STATIC int wi_init(struct ifnet *); 156 STATIC void wi_stop(struct ifnet *, int); 157 STATIC void wi_start(struct ifnet *); 158 STATIC int wi_reset(struct wi_softc *); 159 STATIC void wi_watchdog(struct ifnet *); 160 STATIC int wi_ioctl(struct ifnet *, u_long, void *); 161 STATIC int wi_media_change(struct ifnet *); 162 STATIC void wi_media_status(struct ifnet *, struct ifmediareq *); 163 164 STATIC struct ieee80211_node *wi_node_alloc(struct ieee80211_node_table *); 165 STATIC void wi_node_free(struct ieee80211_node *); 166 167 STATIC void wi_raise_rate(struct ieee80211com *, struct ieee80211_rssdesc *); 168 STATIC void wi_lower_rate(struct ieee80211com *, struct ieee80211_rssdesc *); 169 STATIC int wi_choose_rate(struct ieee80211com *, struct ieee80211_node *, 170 struct ieee80211_frame *, u_int); 171 STATIC void wi_rssadapt_updatestats_cb(void *, struct ieee80211_node *); 172 STATIC void wi_rssadapt_updatestats(void *); 173 STATIC void wi_rssdescs_init(struct wi_rssdesc (*)[], wi_rssdescq_t *); 174 STATIC void wi_rssdescs_reset(struct ieee80211com *, struct wi_rssdesc (*)[], 175 wi_rssdescq_t *, u_int8_t (*)[]); 176 STATIC void wi_sync_bssid(struct wi_softc *, u_int8_t new_bssid[]); 177 178 STATIC void wi_rx_intr(struct wi_softc *); 179 STATIC void wi_txalloc_intr(struct wi_softc *); 180 STATIC void wi_cmd_intr(struct wi_softc *); 181 STATIC void wi_tx_intr(struct wi_softc *); 182 STATIC void wi_tx_ex_intr(struct wi_softc *); 183 STATIC void wi_info_intr(struct wi_softc *); 184 185 STATIC int wi_key_delete(struct ieee80211com *, const struct ieee80211_key *); 186 STATIC int wi_key_set(struct ieee80211com *, const struct ieee80211_key *, 187 const u_int8_t[IEEE80211_ADDR_LEN]); 188 STATIC void wi_key_update_begin(struct ieee80211com *); 189 STATIC void wi_key_update_end(struct ieee80211com *); 190 191 STATIC void wi_push_packet(struct wi_softc *); 192 STATIC int wi_get_cfg(struct ifnet *, u_long, void *); 193 STATIC int wi_set_cfg(struct ifnet *, u_long, void *); 194 STATIC int wi_cfg_txrate(struct wi_softc *); 195 STATIC int wi_write_txrate(struct wi_softc *, int); 196 STATIC int wi_write_wep(struct wi_softc *); 197 STATIC int wi_write_multi(struct wi_softc *); 198 STATIC int wi_alloc_fid(struct wi_softc *, int, int *); 199 STATIC void wi_read_nicid(struct wi_softc *); 200 STATIC int wi_write_ssid(struct wi_softc *, int, u_int8_t *, int); 201 202 STATIC int wi_cmd(struct wi_softc *, int, int, int, int); 203 STATIC int wi_cmd_start(struct wi_softc *, int, int, int, int); 204 STATIC int wi_cmd_wait(struct wi_softc *, int, int); 205 STATIC int wi_seek_bap(struct wi_softc *, int, int); 206 STATIC int wi_read_bap(struct wi_softc *, int, int, void *, int); 207 STATIC int wi_write_bap(struct wi_softc *, int, int, void *, int); 208 STATIC int wi_mwrite_bap(struct wi_softc *, int, int, struct mbuf *, int); 209 STATIC int wi_read_rid(struct wi_softc *, int, void *, int *); 210 STATIC int wi_write_rid(struct wi_softc *, int, void *, int); 211 212 STATIC int wi_newstate(struct ieee80211com *, enum ieee80211_state, int); 213 STATIC void wi_set_tim(struct ieee80211_node *, int); 214 215 STATIC int wi_scan_ap(struct wi_softc *, u_int16_t, u_int16_t); 216 STATIC void wi_scan_result(struct wi_softc *, int, int); 217 218 STATIC void wi_dump_pkt(struct wi_frame *, struct ieee80211_node *, int rssi); 219 STATIC void wi_mend_flags(struct wi_softc *, enum ieee80211_state); 220 221 static inline int 222 wi_write_val(struct wi_softc *sc, int rid, u_int16_t val) 223 { 224 225 val = htole16(val); 226 return wi_write_rid(sc, rid, &val, sizeof(val)); 227 } 228 229 static struct timeval lasttxerror; /* time of last tx error msg */ 230 static int curtxeps = 0; /* current tx error msgs/sec */ 231 static int wi_txerate = 0; /* tx error rate: max msgs/sec */ 232 233 #ifdef WI_DEBUG 234 #define WI_DEBUG_MAX 2 235 int wi_debug = 0; 236 237 #define DPRINTF(X) if (wi_debug) printf X 238 #define DPRINTF2(X) if (wi_debug > 1) printf X 239 #define IFF_DUMPPKTS(_ifp) \ 240 (((_ifp)->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2)) 241 static int wi_sysctl_verify_debug(SYSCTLFN_PROTO); 242 #else 243 #define DPRINTF(X) 244 #define DPRINTF2(X) 245 #define IFF_DUMPPKTS(_ifp) 0 246 #endif 247 248 #define WI_INTRS (WI_EV_RX | WI_EV_ALLOC | WI_EV_INFO | \ 249 WI_EV_TX | WI_EV_TX_EXC | WI_EV_CMD) 250 251 struct wi_card_ident 252 wi_card_ident[] = { 253 /* CARD_ID CARD_NAME FIRM_TYPE */ 254 { WI_NIC_LUCENT_ID, WI_NIC_LUCENT_STR, WI_LUCENT }, 255 { WI_NIC_SONY_ID, WI_NIC_SONY_STR, WI_LUCENT }, 256 { WI_NIC_LUCENT_EMB_ID, WI_NIC_LUCENT_EMB_STR, WI_LUCENT }, 257 { WI_NIC_EVB2_ID, WI_NIC_EVB2_STR, WI_INTERSIL }, 258 { WI_NIC_HWB3763_ID, WI_NIC_HWB3763_STR, WI_INTERSIL }, 259 { WI_NIC_HWB3163_ID, WI_NIC_HWB3163_STR, WI_INTERSIL }, 260 { WI_NIC_HWB3163B_ID, WI_NIC_HWB3163B_STR, WI_INTERSIL }, 261 { WI_NIC_EVB3_ID, WI_NIC_EVB3_STR, WI_INTERSIL }, 262 { WI_NIC_HWB1153_ID, WI_NIC_HWB1153_STR, WI_INTERSIL }, 263 { WI_NIC_P2_SST_ID, WI_NIC_P2_SST_STR, WI_INTERSIL }, 264 { WI_NIC_EVB2_SST_ID, WI_NIC_EVB2_SST_STR, WI_INTERSIL }, 265 { WI_NIC_3842_EVA_ID, WI_NIC_3842_EVA_STR, WI_INTERSIL }, 266 { WI_NIC_3842_PCMCIA_AMD_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 267 { WI_NIC_3842_PCMCIA_SST_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 268 { WI_NIC_3842_PCMCIA_ATM_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 269 { WI_NIC_3842_MINI_AMD_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 270 { WI_NIC_3842_MINI_SST_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 271 { WI_NIC_3842_MINI_ATM_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 272 { WI_NIC_3842_PCI_AMD_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 273 { WI_NIC_3842_PCI_SST_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 274 { WI_NIC_3842_PCI_ATM_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 275 { WI_NIC_P3_PCMCIA_AMD_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 276 { WI_NIC_P3_PCMCIA_SST_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 277 { WI_NIC_P3_MINI_AMD_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 278 { WI_NIC_P3_MINI_SST_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 279 { 0, NULL, 0 }, 280 }; 281 282 #ifndef _LKM 283 /* 284 * Setup sysctl(3) MIB, hw.wi.* 285 * 286 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 287 */ 288 SYSCTL_SETUP(sysctl_wi, "sysctl wi(4) subtree setup") 289 { 290 int rc; 291 const struct sysctlnode *rnode; 292 #ifdef WI_DEBUG 293 const struct sysctlnode *cnode; 294 #endif /* WI_DEBUG */ 295 296 if ((rc = sysctl_createv(clog, 0, NULL, &rnode, 297 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 298 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) 299 goto err; 300 301 if ((rc = sysctl_createv(clog, 0, &rnode, &rnode, 302 CTLFLAG_PERMANENT, CTLTYPE_NODE, "wi", 303 "Lucent/Prism/Symbol 802.11 controls", 304 NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) 305 goto err; 306 307 #ifdef WI_DEBUG 308 /* control debugging printfs */ 309 if ((rc = sysctl_createv(clog, 0, &rnode, &cnode, 310 CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, 311 "debug", SYSCTL_DESCR("Enable debugging output"), 312 wi_sysctl_verify_debug, 0, &wi_debug, 0, CTL_CREATE, CTL_EOL)) != 0) 313 goto err; 314 #endif /* WI_DEBUG */ 315 return; 316 err: 317 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 318 } 319 #endif 320 321 #ifdef WI_DEBUG 322 static int 323 wi_sysctl_verify(SYSCTLFN_ARGS, int lower, int upper) 324 { 325 int error, t; 326 struct sysctlnode node; 327 328 node = *rnode; 329 t = *(int*)rnode->sysctl_data; 330 node.sysctl_data = &t; 331 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 332 if (error || newp == NULL) 333 return (error); 334 335 if (t < lower || t > upper) 336 return (EINVAL); 337 338 *(int*)rnode->sysctl_data = t; 339 340 return (0); 341 } 342 343 static int 344 wi_sysctl_verify_debug(SYSCTLFN_ARGS) 345 { 346 return wi_sysctl_verify(SYSCTLFN_CALL(__UNCONST(rnode)), 347 0, WI_DEBUG_MAX); 348 } 349 #endif /* WI_DEBUG */ 350 351 STATIC int 352 wi_read_xrid(struct wi_softc *sc, int rid, void *buf, int ebuflen) 353 { 354 int buflen, rc; 355 356 buflen = ebuflen; 357 if ((rc = wi_read_rid(sc, rid, buf, &buflen)) != 0) 358 return rc; 359 360 if (buflen < ebuflen) { 361 #ifdef WI_DEBUG 362 printf("%s: rid=%#04x read %d, expected %d\n", __func__, 363 rid, buflen, ebuflen); 364 #endif 365 return -1; 366 } 367 return 0; 368 } 369 370 int 371 wi_attach(struct wi_softc *sc, const u_int8_t *macaddr) 372 { 373 struct ieee80211com *ic = &sc->sc_ic; 374 struct ifnet *ifp = &sc->sc_if; 375 int chan, nrate, buflen; 376 u_int16_t val, chanavail; 377 struct { 378 u_int16_t nrates; 379 char rates[IEEE80211_RATE_SIZE]; 380 } ratebuf; 381 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 382 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 383 }; 384 int s; 385 386 s = splnet(); 387 388 /* Make sure interrupts are disabled. */ 389 CSR_WRITE_2(sc, WI_INT_EN, 0); 390 CSR_WRITE_2(sc, WI_EVENT_ACK, ~0); 391 392 sc->sc_invalid = 0; 393 394 /* Reset the NIC. */ 395 if (wi_reset(sc) != 0) { 396 sc->sc_invalid = 1; 397 splx(s); 398 return 1; 399 } 400 401 if (wi_read_xrid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, 402 IEEE80211_ADDR_LEN) != 0 || 403 IEEE80211_ADDR_EQ(ic->ic_myaddr, empty_macaddr)) { 404 if (macaddr != NULL) 405 memcpy(ic->ic_myaddr, macaddr, IEEE80211_ADDR_LEN); 406 else { 407 printf(" could not get mac address, attach failed\n"); 408 splx(s); 409 return 1; 410 } 411 } 412 413 printf(" 802.11 address %s\n", ether_sprintf(ic->ic_myaddr)); 414 415 /* Read NIC identification */ 416 wi_read_nicid(sc); 417 418 memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ); 419 ifp->if_softc = sc; 420 ifp->if_start = wi_start; 421 ifp->if_ioctl = wi_ioctl; 422 ifp->if_watchdog = wi_watchdog; 423 ifp->if_init = wi_init; 424 ifp->if_stop = wi_stop; 425 ifp->if_flags = 426 IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST | IFF_NOTRAILERS; 427 IFQ_SET_READY(&ifp->if_snd); 428 429 ic->ic_ifp = ifp; 430 ic->ic_phytype = IEEE80211_T_DS; 431 ic->ic_opmode = IEEE80211_M_STA; 432 ic->ic_caps = IEEE80211_C_AHDEMO; 433 ic->ic_state = IEEE80211_S_INIT; 434 ic->ic_max_aid = WI_MAX_AID; 435 436 /* Find available channel */ 437 if (wi_read_xrid(sc, WI_RID_CHANNEL_LIST, &chanavail, 438 sizeof(chanavail)) != 0) { 439 aprint_normal("%s: using default channel list\n", sc->sc_dev.dv_xname); 440 chanavail = htole16(0x1fff); /* assume 1-13 */ 441 } 442 for (chan = 16; chan > 0; chan--) { 443 if (!isset((u_int8_t*)&chanavail, chan - 1)) 444 continue; 445 ic->ic_ibss_chan = &ic->ic_channels[chan]; 446 ic->ic_channels[chan].ic_freq = 447 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_2GHZ); 448 ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_B; 449 } 450 451 /* Find default IBSS channel */ 452 if (wi_read_xrid(sc, WI_RID_OWN_CHNL, &val, sizeof(val)) == 0) { 453 chan = le16toh(val); 454 if (isset((u_int8_t*)&chanavail, chan - 1)) 455 ic->ic_ibss_chan = &ic->ic_channels[chan]; 456 } 457 if (ic->ic_ibss_chan == NULL) { 458 aprint_error("%s: no available channel\n", sc->sc_dev.dv_xname); 459 return 1; 460 } 461 462 if (sc->sc_firmware_type == WI_LUCENT) { 463 sc->sc_dbm_offset = WI_LUCENT_DBM_OFFSET; 464 } else { 465 if ((sc->sc_flags & WI_FLAGS_HAS_DBMADJUST) && 466 wi_read_xrid(sc, WI_RID_DBM_ADJUST, &val, sizeof(val)) == 0) 467 sc->sc_dbm_offset = le16toh(val); 468 else 469 sc->sc_dbm_offset = WI_PRISM_DBM_OFFSET; 470 } 471 472 sc->sc_flags |= WI_FLAGS_RSSADAPTSTA; 473 474 /* 475 * Set flags based on firmware version. 476 */ 477 switch (sc->sc_firmware_type) { 478 case WI_LUCENT: 479 sc->sc_flags |= WI_FLAGS_HAS_SYSSCALE; 480 #ifdef WI_HERMES_AUTOINC_WAR 481 /* XXX: not confirmed, but never seen for recent firmware */ 482 if (sc->sc_sta_firmware_ver < 40000) { 483 sc->sc_flags |= WI_FLAGS_BUG_AUTOINC; 484 } 485 #endif 486 if (sc->sc_sta_firmware_ver >= 60000) 487 sc->sc_flags |= WI_FLAGS_HAS_MOR; 488 if (sc->sc_sta_firmware_ver >= 60006) { 489 ic->ic_caps |= IEEE80211_C_IBSS; 490 ic->ic_caps |= IEEE80211_C_MONITOR; 491 } 492 ic->ic_caps |= IEEE80211_C_PMGT; 493 sc->sc_ibss_port = 1; 494 break; 495 496 case WI_INTERSIL: 497 sc->sc_flags |= WI_FLAGS_HAS_FRAGTHR; 498 sc->sc_flags |= WI_FLAGS_HAS_ROAMING; 499 sc->sc_flags |= WI_FLAGS_HAS_SYSSCALE; 500 if (sc->sc_sta_firmware_ver > 10101) 501 sc->sc_flags |= WI_FLAGS_HAS_DBMADJUST; 502 if (sc->sc_sta_firmware_ver >= 800) { 503 if (sc->sc_sta_firmware_ver != 10402) 504 ic->ic_caps |= IEEE80211_C_HOSTAP; 505 ic->ic_caps |= IEEE80211_C_IBSS; 506 ic->ic_caps |= IEEE80211_C_MONITOR; 507 } 508 ic->ic_caps |= IEEE80211_C_PMGT; 509 sc->sc_ibss_port = 0; 510 sc->sc_alt_retry = 2; 511 break; 512 513 case WI_SYMBOL: 514 sc->sc_flags |= WI_FLAGS_HAS_DIVERSITY; 515 if (sc->sc_sta_firmware_ver >= 20000) 516 ic->ic_caps |= IEEE80211_C_IBSS; 517 sc->sc_ibss_port = 4; 518 break; 519 } 520 521 /* 522 * Find out if we support WEP on this card. 523 */ 524 if (wi_read_xrid(sc, WI_RID_WEP_AVAIL, &val, sizeof(val)) == 0 && 525 val != htole16(0)) 526 ic->ic_caps |= IEEE80211_C_WEP; 527 528 /* Find supported rates. */ 529 buflen = sizeof(ratebuf); 530 if (wi_read_rid(sc, WI_RID_DATA_RATES, &ratebuf, &buflen) == 0 && 531 buflen > 2) { 532 nrate = le16toh(ratebuf.nrates); 533 if (nrate > IEEE80211_RATE_SIZE) 534 nrate = IEEE80211_RATE_SIZE; 535 memcpy(ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates, 536 &ratebuf.rates[0], nrate); 537 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = nrate; 538 } else { 539 aprint_error("%s: no supported rate list\n", sc->sc_dev.dv_xname); 540 return 1; 541 } 542 543 sc->sc_max_datalen = 2304; 544 sc->sc_rts_thresh = 2347; 545 sc->sc_frag_thresh = 2346; 546 sc->sc_system_scale = 1; 547 sc->sc_cnfauthmode = IEEE80211_AUTH_OPEN; 548 sc->sc_roaming_mode = 1; 549 550 callout_init(&sc->sc_rssadapt_ch, 0); 551 552 /* 553 * Call MI attach routines. 554 */ 555 if_attach(ifp); 556 ieee80211_ifattach(ic); 557 558 sc->sc_newstate = ic->ic_newstate; 559 sc->sc_set_tim = ic->ic_set_tim; 560 ic->ic_newstate = wi_newstate; 561 ic->ic_node_alloc = wi_node_alloc; 562 ic->ic_node_free = wi_node_free; 563 ic->ic_set_tim = wi_set_tim; 564 565 ic->ic_crypto.cs_key_delete = wi_key_delete; 566 ic->ic_crypto.cs_key_set = wi_key_set; 567 ic->ic_crypto.cs_key_update_begin = wi_key_update_begin; 568 ic->ic_crypto.cs_key_update_end = wi_key_update_end; 569 570 ieee80211_media_init(ic, wi_media_change, wi_media_status); 571 572 #if NBPFILTER > 0 573 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 574 sizeof(struct ieee80211_frame) + 64, &sc->sc_drvbpf); 575 #endif 576 577 memset(&sc->sc_rxtapu, 0, sizeof(sc->sc_rxtapu)); 578 sc->sc_rxtap.wr_ihdr.it_len = htole16(sizeof(sc->sc_rxtapu)); 579 sc->sc_rxtap.wr_ihdr.it_present = htole32(WI_RX_RADIOTAP_PRESENT); 580 581 memset(&sc->sc_txtapu, 0, sizeof(sc->sc_txtapu)); 582 sc->sc_txtap.wt_ihdr.it_len = htole16(sizeof(sc->sc_txtapu)); 583 sc->sc_txtap.wt_ihdr.it_present = htole32(WI_TX_RADIOTAP_PRESENT); 584 585 /* Attach is successful. */ 586 sc->sc_attached = 1; 587 588 splx(s); 589 ieee80211_announce(ic); 590 return 0; 591 } 592 593 int 594 wi_detach(struct wi_softc *sc) 595 { 596 struct ifnet *ifp = &sc->sc_if; 597 int s; 598 599 if (!sc->sc_attached) 600 return 0; 601 602 sc->sc_invalid = 1; 603 s = splnet(); 604 605 wi_stop(ifp, 1); 606 607 ieee80211_ifdetach(&sc->sc_ic); 608 if_detach(ifp); 609 splx(s); 610 return 0; 611 } 612 613 #ifdef __NetBSD__ 614 int 615 wi_activate(struct device *self, enum devact act) 616 { 617 struct wi_softc *sc = (struct wi_softc *)self; 618 int rv = 0, s; 619 620 s = splnet(); 621 switch (act) { 622 case DVACT_ACTIVATE: 623 rv = EOPNOTSUPP; 624 break; 625 626 case DVACT_DEACTIVATE: 627 if_deactivate(&sc->sc_if); 628 break; 629 } 630 splx(s); 631 return rv; 632 } 633 634 void 635 wi_power(struct wi_softc *sc, int why) 636 { 637 struct ifnet *ifp = &sc->sc_if; 638 int s; 639 640 s = splnet(); 641 switch (why) { 642 case PWR_SUSPEND: 643 case PWR_STANDBY: 644 wi_stop(ifp, 1); 645 break; 646 case PWR_RESUME: 647 if (ifp->if_flags & IFF_UP) { 648 wi_init(ifp); 649 (void)wi_intr(sc); 650 } 651 break; 652 case PWR_SOFTSUSPEND: 653 case PWR_SOFTSTANDBY: 654 case PWR_SOFTRESUME: 655 break; 656 } 657 splx(s); 658 } 659 #endif /* __NetBSD__ */ 660 661 void 662 wi_shutdown(struct wi_softc *sc) 663 { 664 struct ifnet *ifp = &sc->sc_if; 665 666 if (sc->sc_attached) 667 wi_stop(ifp, 1); 668 } 669 670 int 671 wi_intr(void *arg) 672 { 673 int i; 674 struct wi_softc *sc = arg; 675 struct ifnet *ifp = &sc->sc_if; 676 u_int16_t status; 677 678 if (sc->sc_enabled == 0 || 679 !device_is_active(&sc->sc_dev) || 680 (ifp->if_flags & IFF_RUNNING) == 0) 681 return 0; 682 683 if ((ifp->if_flags & IFF_UP) == 0) { 684 CSR_WRITE_2(sc, WI_INT_EN, 0); 685 CSR_WRITE_2(sc, WI_EVENT_ACK, ~0); 686 return 1; 687 } 688 689 /* This is superfluous on Prism, but Lucent breaks if we 690 * do not disable interrupts. 691 */ 692 CSR_WRITE_2(sc, WI_INT_EN, 0); 693 694 /* maximum 10 loops per interrupt */ 695 for (i = 0; i < 10; i++) { 696 status = CSR_READ_2(sc, WI_EVENT_STAT); 697 #ifdef WI_DEBUG 698 if (wi_debug > 1) { 699 printf("%s: iter %d status %#04x\n", __func__, i, 700 status); 701 } 702 #endif /* WI_DEBUG */ 703 if ((status & WI_INTRS) == 0) 704 break; 705 706 sc->sc_status = status; 707 708 if (status & WI_EV_RX) 709 wi_rx_intr(sc); 710 711 if (status & WI_EV_ALLOC) 712 wi_txalloc_intr(sc); 713 714 if (status & WI_EV_TX) 715 wi_tx_intr(sc); 716 717 if (status & WI_EV_TX_EXC) 718 wi_tx_ex_intr(sc); 719 720 if (status & WI_EV_INFO) 721 wi_info_intr(sc); 722 723 CSR_WRITE_2(sc, WI_EVENT_ACK, sc->sc_status); 724 725 if (sc->sc_status & WI_EV_CMD) 726 wi_cmd_intr(sc); 727 728 if ((ifp->if_flags & IFF_OACTIVE) == 0 && 729 (sc->sc_flags & WI_FLAGS_OUTRANGE) == 0 && 730 !IFQ_IS_EMPTY(&ifp->if_snd)) 731 wi_start(ifp); 732 733 sc->sc_status = 0; 734 } 735 736 /* re-enable interrupts */ 737 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 738 739 sc->sc_status = 0; 740 741 return 1; 742 } 743 744 #define arraylen(a) (sizeof(a) / sizeof((a)[0])) 745 746 STATIC void 747 wi_rssdescs_init(struct wi_rssdesc (*rssd)[WI_NTXRSS], wi_rssdescq_t *rssdfree) 748 { 749 int i; 750 SLIST_INIT(rssdfree); 751 for (i = 0; i < arraylen(*rssd); i++) { 752 SLIST_INSERT_HEAD(rssdfree, &(*rssd)[i], rd_next); 753 } 754 } 755 756 STATIC void 757 wi_rssdescs_reset(struct ieee80211com *ic, struct wi_rssdesc (*rssd)[WI_NTXRSS], 758 wi_rssdescq_t *rssdfree, u_int8_t (*txpending)[IEEE80211_RATE_MAXSIZE]) 759 { 760 struct ieee80211_node *ni; 761 int i; 762 for (i = 0; i < arraylen(*rssd); i++) { 763 ni = (*rssd)[i].rd_desc.id_node; 764 (*rssd)[i].rd_desc.id_node = NULL; 765 if (ni != NULL && (ic->ic_ifp->if_flags & IFF_DEBUG) != 0) 766 printf("%s: cleaning outstanding rssadapt " 767 "descriptor for %s\n", 768 ic->ic_ifp->if_xname, ether_sprintf(ni->ni_macaddr)); 769 if (ni != NULL) 770 ieee80211_free_node(ni); 771 } 772 memset(*txpending, 0, sizeof(*txpending)); 773 wi_rssdescs_init(rssd, rssdfree); 774 } 775 776 STATIC int 777 wi_init(struct ifnet *ifp) 778 { 779 struct wi_softc *sc = ifp->if_softc; 780 struct ieee80211com *ic = &sc->sc_ic; 781 struct wi_joinreq join; 782 int i; 783 int error = 0, wasenabled; 784 785 DPRINTF(("wi_init: enabled %d\n", sc->sc_enabled)); 786 wasenabled = sc->sc_enabled; 787 if (!sc->sc_enabled) { 788 if ((error = (*sc->sc_enable)(sc)) != 0) 789 goto out; 790 sc->sc_enabled = 1; 791 } else 792 wi_stop(ifp, 0); 793 794 /* Symbol firmware cannot be initialized more than once */ 795 if (sc->sc_firmware_type != WI_SYMBOL || !wasenabled) 796 if ((error = wi_reset(sc)) != 0) 797 goto out; 798 799 /* common 802.11 configuration */ 800 ic->ic_flags &= ~IEEE80211_F_IBSSON; 801 sc->sc_flags &= ~WI_FLAGS_OUTRANGE; 802 switch (ic->ic_opmode) { 803 case IEEE80211_M_STA: 804 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_BSS); 805 break; 806 case IEEE80211_M_IBSS: 807 wi_write_val(sc, WI_RID_PORTTYPE, sc->sc_ibss_port); 808 ic->ic_flags |= IEEE80211_F_IBSSON; 809 break; 810 case IEEE80211_M_AHDEMO: 811 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_ADHOC); 812 break; 813 case IEEE80211_M_HOSTAP: 814 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_HOSTAP); 815 break; 816 case IEEE80211_M_MONITOR: 817 if (sc->sc_firmware_type == WI_LUCENT) 818 wi_write_val(sc, WI_RID_PORTTYPE, WI_PORTTYPE_ADHOC); 819 wi_cmd(sc, WI_CMD_TEST | (WI_TEST_MONITOR << 8), 0, 0, 0); 820 break; 821 } 822 823 /* Intersil interprets this RID as joining ESS even in IBSS mode */ 824 if (sc->sc_firmware_type == WI_LUCENT && 825 (ic->ic_flags & IEEE80211_F_IBSSON) && ic->ic_des_esslen > 0) 826 wi_write_val(sc, WI_RID_CREATE_IBSS, 1); 827 else 828 wi_write_val(sc, WI_RID_CREATE_IBSS, 0); 829 wi_write_val(sc, WI_RID_MAX_SLEEP, ic->ic_lintval); 830 wi_write_ssid(sc, WI_RID_DESIRED_SSID, ic->ic_des_essid, 831 ic->ic_des_esslen); 832 wi_write_val(sc, WI_RID_OWN_CHNL, 833 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 834 wi_write_ssid(sc, WI_RID_OWN_SSID, ic->ic_des_essid, ic->ic_des_esslen); 835 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 836 wi_write_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, IEEE80211_ADDR_LEN); 837 if (ic->ic_caps & IEEE80211_C_PMGT) 838 wi_write_val(sc, WI_RID_PM_ENABLED, 839 (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 840 841 /* not yet common 802.11 configuration */ 842 wi_write_val(sc, WI_RID_MAX_DATALEN, sc->sc_max_datalen); 843 wi_write_val(sc, WI_RID_RTS_THRESH, sc->sc_rts_thresh); 844 if (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR) 845 wi_write_val(sc, WI_RID_FRAG_THRESH, sc->sc_frag_thresh); 846 847 /* driver specific 802.11 configuration */ 848 if (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE) 849 wi_write_val(sc, WI_RID_SYSTEM_SCALE, sc->sc_system_scale); 850 if (sc->sc_flags & WI_FLAGS_HAS_ROAMING) 851 wi_write_val(sc, WI_RID_ROAMING_MODE, sc->sc_roaming_mode); 852 if (sc->sc_flags & WI_FLAGS_HAS_MOR) 853 wi_write_val(sc, WI_RID_MICROWAVE_OVEN, sc->sc_microwave_oven); 854 wi_cfg_txrate(sc); 855 wi_write_ssid(sc, WI_RID_NODENAME, sc->sc_nodename, sc->sc_nodelen); 856 857 #ifndef IEEE80211_NO_HOSTAP 858 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 859 sc->sc_firmware_type == WI_INTERSIL) { 860 wi_write_val(sc, WI_RID_OWN_BEACON_INT, ic->ic_lintval); 861 wi_write_val(sc, WI_RID_DTIM_PERIOD, 1); 862 } 863 #endif /* !IEEE80211_NO_HOSTAP */ 864 865 if (sc->sc_firmware_type == WI_INTERSIL) { 866 struct ieee80211_rateset *rs = 867 &ic->ic_sup_rates[IEEE80211_MODE_11B]; 868 u_int16_t basic = 0, supported = 0, rate; 869 870 for (i = 0; i < rs->rs_nrates; i++) { 871 switch (rs->rs_rates[i] & IEEE80211_RATE_VAL) { 872 case 2: 873 rate = 1; 874 break; 875 case 4: 876 rate = 2; 877 break; 878 case 11: 879 rate = 4; 880 break; 881 case 22: 882 rate = 8; 883 break; 884 default: 885 rate = 0; 886 break; 887 } 888 if (rs->rs_rates[i] & IEEE80211_RATE_BASIC) 889 basic |= rate; 890 supported |= rate; 891 } 892 wi_write_val(sc, WI_RID_BASIC_RATE, basic); 893 wi_write_val(sc, WI_RID_SUPPORT_RATE, supported); 894 wi_write_val(sc, WI_RID_ALT_RETRY_COUNT, sc->sc_alt_retry); 895 } 896 897 /* 898 * Initialize promisc mode. 899 * Being in Host-AP mode causes a great 900 * deal of pain if promiscuous mode is set. 901 * Therefore we avoid confusing the firmware 902 * and always reset promisc mode in Host-AP 903 * mode. Host-AP sees all the packets anyway. 904 */ 905 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 906 (ifp->if_flags & IFF_PROMISC) != 0) { 907 wi_write_val(sc, WI_RID_PROMISC, 1); 908 } else { 909 wi_write_val(sc, WI_RID_PROMISC, 0); 910 } 911 912 /* Configure WEP. */ 913 if (ic->ic_caps & IEEE80211_C_WEP) { 914 sc->sc_cnfauthmode = ic->ic_bss->ni_authmode; 915 wi_write_wep(sc); 916 } 917 918 /* Set multicast filter. */ 919 wi_write_multi(sc); 920 921 sc->sc_txalloc = 0; 922 sc->sc_txalloced = 0; 923 sc->sc_txqueue = 0; 924 sc->sc_txqueued = 0; 925 sc->sc_txstart = 0; 926 sc->sc_txstarted = 0; 927 928 if (sc->sc_firmware_type != WI_SYMBOL || !wasenabled) { 929 sc->sc_buflen = IEEE80211_MAX_LEN + sizeof(struct wi_frame); 930 if (sc->sc_firmware_type == WI_SYMBOL) 931 sc->sc_buflen = 1585; /* XXX */ 932 for (i = 0; i < WI_NTXBUF; i++) { 933 error = wi_alloc_fid(sc, sc->sc_buflen, 934 &sc->sc_txd[i].d_fid); 935 if (error) { 936 printf("%s: tx buffer allocation failed\n", 937 sc->sc_dev.dv_xname); 938 goto out; 939 } 940 DPRINTF2(("wi_init: txbuf %d allocated %x\n", i, 941 sc->sc_txd[i].d_fid)); 942 ++sc->sc_txalloced; 943 } 944 } 945 946 wi_rssdescs_init(&sc->sc_rssd, &sc->sc_rssdfree); 947 948 /* Enable desired port */ 949 wi_cmd(sc, WI_CMD_ENABLE | sc->sc_portnum, 0, 0, 0); 950 ifp->if_flags |= IFF_RUNNING; 951 ifp->if_flags &= ~IFF_OACTIVE; 952 ic->ic_state = IEEE80211_S_INIT; 953 954 if (ic->ic_opmode == IEEE80211_M_AHDEMO || 955 ic->ic_opmode == IEEE80211_M_IBSS || 956 ic->ic_opmode == IEEE80211_M_MONITOR || 957 ic->ic_opmode == IEEE80211_M_HOSTAP) 958 ieee80211_create_ibss(ic, ic->ic_ibss_chan); 959 960 /* Enable interrupts */ 961 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 962 963 #ifndef IEEE80211_NO_HOSTAP 964 if (!wasenabled && 965 ic->ic_opmode == IEEE80211_M_HOSTAP && 966 sc->sc_firmware_type == WI_INTERSIL) { 967 /* XXX: some card need to be re-enabled for hostap */ 968 wi_cmd(sc, WI_CMD_DISABLE | WI_PORT0, 0, 0, 0); 969 wi_cmd(sc, WI_CMD_ENABLE | WI_PORT0, 0, 0, 0); 970 } 971 #endif /* !IEEE80211_NO_HOSTAP */ 972 973 if (ic->ic_opmode == IEEE80211_M_STA && 974 ((ic->ic_flags & IEEE80211_F_DESBSSID) || 975 ic->ic_des_chan != IEEE80211_CHAN_ANYC)) { 976 memset(&join, 0, sizeof(join)); 977 if (ic->ic_flags & IEEE80211_F_DESBSSID) 978 IEEE80211_ADDR_COPY(&join.wi_bssid, ic->ic_des_bssid); 979 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC) 980 join.wi_chan = 981 htole16(ieee80211_chan2ieee(ic, ic->ic_des_chan)); 982 /* Lucent firmware does not support the JOIN RID. */ 983 if (sc->sc_firmware_type != WI_LUCENT) 984 wi_write_rid(sc, WI_RID_JOIN_REQ, &join, sizeof(join)); 985 } 986 987 out: 988 if (error) { 989 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 990 wi_stop(ifp, 0); 991 } 992 DPRINTF(("wi_init: return %d\n", error)); 993 return error; 994 } 995 996 STATIC void 997 wi_txcmd_wait(struct wi_softc *sc) 998 { 999 KASSERT(sc->sc_txcmds == 1); 1000 if (sc->sc_status & WI_EV_CMD) { 1001 sc->sc_status &= ~WI_EV_CMD; 1002 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD); 1003 } else 1004 (void)wi_cmd_wait(sc, WI_CMD_TX | WI_RECLAIM, 0); 1005 } 1006 1007 STATIC void 1008 wi_stop(struct ifnet *ifp, int disable) 1009 { 1010 struct wi_softc *sc = ifp->if_softc; 1011 struct ieee80211com *ic = &sc->sc_ic; 1012 int s; 1013 1014 if (!sc->sc_enabled) 1015 return; 1016 1017 s = splnet(); 1018 1019 DPRINTF(("wi_stop: disable %d\n", disable)); 1020 1021 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1022 1023 /* wait for tx command completion (deassoc, deauth) */ 1024 while (sc->sc_txcmds > 0) { 1025 wi_txcmd_wait(sc); 1026 wi_cmd_intr(sc); 1027 } 1028 1029 /* TBD wait for deassoc, deauth tx completion? */ 1030 1031 if (!sc->sc_invalid) { 1032 CSR_WRITE_2(sc, WI_INT_EN, 0); 1033 wi_cmd(sc, WI_CMD_DISABLE | sc->sc_portnum, 0, 0, 0); 1034 } 1035 1036 wi_rssdescs_reset(ic, &sc->sc_rssd, &sc->sc_rssdfree, 1037 &sc->sc_txpending); 1038 1039 sc->sc_tx_timer = 0; 1040 sc->sc_scan_timer = 0; 1041 sc->sc_false_syns = 0; 1042 sc->sc_naps = 0; 1043 ifp->if_flags &= ~(IFF_OACTIVE | IFF_RUNNING); 1044 ifp->if_timer = 0; 1045 1046 if (disable) { 1047 if (sc->sc_disable) 1048 (*sc->sc_disable)(sc); 1049 sc->sc_enabled = 0; 1050 } 1051 splx(s); 1052 } 1053 1054 /* 1055 * Choose a data rate for a packet len bytes long that suits the packet 1056 * type and the wireless conditions. 1057 * 1058 * TBD Adapt fragmentation threshold. 1059 */ 1060 STATIC int 1061 wi_choose_rate(struct ieee80211com *ic, struct ieee80211_node *ni, 1062 struct ieee80211_frame *wh, u_int len) 1063 { 1064 struct wi_softc *sc = ic->ic_ifp->if_softc; 1065 struct wi_node *wn = (void*)ni; 1066 struct ieee80211_rssadapt *ra = &wn->wn_rssadapt; 1067 int do_not_adapt, i, rateidx, s; 1068 1069 do_not_adapt = (ic->ic_opmode != IEEE80211_M_HOSTAP) && 1070 (sc->sc_flags & WI_FLAGS_RSSADAPTSTA) == 0; 1071 1072 s = splnet(); 1073 1074 rateidx = ieee80211_rssadapt_choose(ra, &ni->ni_rates, wh, len, 1075 ic->ic_fixed_rate, 1076 ((ic->ic_ifp->if_flags & IFF_DEBUG) == 0) ? NULL : ic->ic_ifp->if_xname, 1077 do_not_adapt); 1078 1079 ni->ni_txrate = rateidx; 1080 1081 if (ic->ic_opmode != IEEE80211_M_HOSTAP) { 1082 /* choose the slowest pending rate so that we don't 1083 * accidentally send a packet on the MAC's queue 1084 * too fast. TBD find out if the MAC labels Tx 1085 * packets w/ rate when enqueued or dequeued. 1086 */ 1087 for (i = 0; i < rateidx && sc->sc_txpending[i] == 0; i++); 1088 rateidx = i; 1089 } 1090 1091 splx(s); 1092 return (rateidx); 1093 } 1094 1095 STATIC void 1096 wi_raise_rate(struct ieee80211com *ic, struct ieee80211_rssdesc *id) 1097 { 1098 struct wi_node *wn; 1099 if (id->id_node == NULL) 1100 return; 1101 1102 wn = (void*)id->id_node; 1103 ieee80211_rssadapt_raise_rate(ic, &wn->wn_rssadapt, id); 1104 } 1105 1106 STATIC void 1107 wi_lower_rate(struct ieee80211com *ic, struct ieee80211_rssdesc *id) 1108 { 1109 struct ieee80211_node *ni; 1110 struct wi_node *wn; 1111 int s; 1112 1113 s = splnet(); 1114 1115 if ((ni = id->id_node) == NULL) { 1116 DPRINTF(("wi_lower_rate: missing node\n")); 1117 goto out; 1118 } 1119 1120 wn = (void *)ni; 1121 1122 ieee80211_rssadapt_lower_rate(ic, ni, &wn->wn_rssadapt, id); 1123 out: 1124 splx(s); 1125 return; 1126 } 1127 1128 STATIC void 1129 wi_start(struct ifnet *ifp) 1130 { 1131 struct wi_softc *sc = ifp->if_softc; 1132 struct ieee80211com *ic = &sc->sc_ic; 1133 struct ether_header *eh; 1134 struct ieee80211_node *ni; 1135 struct ieee80211_frame *wh; 1136 struct ieee80211_rateset *rs; 1137 struct wi_rssdesc *rd; 1138 struct ieee80211_rssdesc *id; 1139 struct mbuf *m0; 1140 struct wi_frame frmhdr; 1141 int cur, fid, off, rateidx; 1142 1143 if (!sc->sc_enabled || sc->sc_invalid) 1144 return; 1145 if (sc->sc_flags & WI_FLAGS_OUTRANGE) 1146 return; 1147 1148 memset(&frmhdr, 0, sizeof(frmhdr)); 1149 cur = sc->sc_txqueue; 1150 for (;;) { 1151 ni = ic->ic_bss; 1152 if (sc->sc_txalloced == 0 || SLIST_EMPTY(&sc->sc_rssdfree)) { 1153 ifp->if_flags |= IFF_OACTIVE; 1154 break; 1155 } 1156 if (!IF_IS_EMPTY(&ic->ic_mgtq)) { 1157 IF_DEQUEUE(&ic->ic_mgtq, m0); 1158 m_copydata(m0, 4, ETHER_ADDR_LEN * 2, 1159 (void *)&frmhdr.wi_ehdr); 1160 frmhdr.wi_ehdr.ether_type = 0; 1161 wh = mtod(m0, struct ieee80211_frame *); 1162 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 1163 m0->m_pkthdr.rcvif = NULL; 1164 } else if (ic->ic_state == IEEE80211_S_RUN) { 1165 IFQ_POLL(&ifp->if_snd, m0); 1166 if (m0 == NULL) 1167 break; 1168 IFQ_DEQUEUE(&ifp->if_snd, m0); 1169 ifp->if_opackets++; 1170 m_copydata(m0, 0, ETHER_HDR_LEN, 1171 (void *)&frmhdr.wi_ehdr); 1172 #if NBPFILTER > 0 1173 if (ifp->if_bpf) 1174 bpf_mtap(ifp->if_bpf, m0); 1175 #endif 1176 1177 eh = mtod(m0, struct ether_header *); 1178 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1179 if (ni == NULL) { 1180 ifp->if_oerrors++; 1181 continue; 1182 } 1183 if ((ni->ni_flags & IEEE80211_NODE_PWR_MGT) && 1184 (m0->m_flags & M_PWR_SAV) == 0) { 1185 ieee80211_pwrsave(ic, ni, m0); 1186 goto next; 1187 } 1188 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 1189 ieee80211_free_node(ni); 1190 ifp->if_oerrors++; 1191 continue; 1192 } 1193 wh = mtod(m0, struct ieee80211_frame *); 1194 } else 1195 break; 1196 #if NBPFILTER > 0 1197 if (ic->ic_rawbpf) 1198 bpf_mtap(ic->ic_rawbpf, m0); 1199 #endif 1200 frmhdr.wi_tx_ctl = 1201 htole16(WI_ENC_TX_802_11|WI_TXCNTL_TX_EX|WI_TXCNTL_TX_OK); 1202 #ifndef IEEE80211_NO_HOSTAP 1203 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 1204 frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_ALTRTRY); 1205 if (ic->ic_opmode == IEEE80211_M_HOSTAP && 1206 (wh->i_fc[1] & IEEE80211_FC1_WEP)) { 1207 if (ieee80211_crypto_encap(ic, ni, m0) == NULL) { 1208 m_freem(m0); 1209 ifp->if_oerrors++; 1210 goto next; 1211 } 1212 frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_NOCRYPT); 1213 } 1214 #endif /* !IEEE80211_NO_HOSTAP */ 1215 1216 rateidx = wi_choose_rate(ic, ni, wh, m0->m_pkthdr.len); 1217 rs = &ni->ni_rates; 1218 1219 #if NBPFILTER > 0 1220 if (sc->sc_drvbpf) { 1221 struct wi_tx_radiotap_header *tap = &sc->sc_txtap; 1222 1223 tap->wt_rate = rs->rs_rates[rateidx]; 1224 tap->wt_chan_freq = 1225 htole16(ic->ic_bss->ni_chan->ic_freq); 1226 tap->wt_chan_flags = 1227 htole16(ic->ic_bss->ni_chan->ic_flags); 1228 /* TBD tap->wt_flags */ 1229 1230 bpf_mtap2(sc->sc_drvbpf, tap, tap->wt_ihdr.it_len, m0); 1231 } 1232 #endif 1233 1234 rd = SLIST_FIRST(&sc->sc_rssdfree); 1235 id = &rd->rd_desc; 1236 id->id_len = m0->m_pkthdr.len; 1237 id->id_rateidx = ni->ni_txrate; 1238 id->id_rssi = ni->ni_rssi; 1239 1240 frmhdr.wi_tx_idx = rd - sc->sc_rssd; 1241 1242 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 1243 frmhdr.wi_tx_rate = 5 * (rs->rs_rates[rateidx] & 1244 IEEE80211_RATE_VAL); 1245 else if (sc->sc_flags & WI_FLAGS_RSSADAPTSTA) 1246 (void)wi_write_txrate(sc, rs->rs_rates[rateidx]); 1247 1248 m_copydata(m0, 0, sizeof(struct ieee80211_frame), 1249 (void *)&frmhdr.wi_whdr); 1250 m_adj(m0, sizeof(struct ieee80211_frame)); 1251 frmhdr.wi_dat_len = htole16(m0->m_pkthdr.len); 1252 if (IFF_DUMPPKTS(ifp)) 1253 wi_dump_pkt(&frmhdr, ni, -1); 1254 fid = sc->sc_txd[cur].d_fid; 1255 off = sizeof(frmhdr); 1256 if (wi_write_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)) != 0 || 1257 wi_mwrite_bap(sc, fid, off, m0, m0->m_pkthdr.len) != 0) { 1258 printf("%s: %s write fid %x failed\n", 1259 sc->sc_dev.dv_xname, __func__, fid); 1260 ifp->if_oerrors++; 1261 m_freem(m0); 1262 goto next; 1263 } 1264 m_freem(m0); 1265 sc->sc_txpending[ni->ni_txrate]++; 1266 --sc->sc_txalloced; 1267 if (sc->sc_txqueued++ == 0) { 1268 #ifdef DIAGNOSTIC 1269 if (cur != sc->sc_txstart) 1270 printf("%s: ring is desynchronized\n", 1271 sc->sc_dev.dv_xname); 1272 #endif 1273 wi_push_packet(sc); 1274 } else { 1275 #ifdef WI_RING_DEBUG 1276 printf("%s: queue %04x, alloc %d queue %d start %d alloced %d queued %d started %d\n", 1277 sc->sc_dev.dv_xname, fid, 1278 sc->sc_txalloc, sc->sc_txqueue, sc->sc_txstart, 1279 sc->sc_txalloced, sc->sc_txqueued, sc->sc_txstarted); 1280 #endif 1281 } 1282 sc->sc_txqueue = cur = (cur + 1) % WI_NTXBUF; 1283 SLIST_REMOVE_HEAD(&sc->sc_rssdfree, rd_next); 1284 id->id_node = ni; 1285 continue; 1286 next: 1287 if (ni != NULL) 1288 ieee80211_free_node(ni); 1289 } 1290 } 1291 1292 1293 STATIC int 1294 wi_reset(struct wi_softc *sc) 1295 { 1296 int i, error; 1297 1298 DPRINTF(("wi_reset\n")); 1299 1300 if (sc->sc_reset) 1301 (*sc->sc_reset)(sc); 1302 1303 error = 0; 1304 for (i = 0; i < 5; i++) { 1305 if (sc->sc_invalid) 1306 return ENXIO; 1307 DELAY(20*1000); /* XXX: way too long! */ 1308 if ((error = wi_cmd(sc, WI_CMD_INI, 0, 0, 0)) == 0) 1309 break; 1310 } 1311 if (error) { 1312 printf("%s: init failed\n", sc->sc_dev.dv_xname); 1313 return error; 1314 } 1315 CSR_WRITE_2(sc, WI_INT_EN, 0); 1316 CSR_WRITE_2(sc, WI_EVENT_ACK, ~0); 1317 1318 /* Calibrate timer. */ 1319 wi_write_val(sc, WI_RID_TICK_TIME, 0); 1320 return 0; 1321 } 1322 1323 STATIC void 1324 wi_watchdog(struct ifnet *ifp) 1325 { 1326 struct wi_softc *sc = ifp->if_softc; 1327 1328 ifp->if_timer = 0; 1329 if (!sc->sc_enabled) 1330 return; 1331 1332 if (sc->sc_tx_timer) { 1333 if (--sc->sc_tx_timer == 0) { 1334 printf("%s: device timeout\n", ifp->if_xname); 1335 ifp->if_oerrors++; 1336 wi_init(ifp); 1337 return; 1338 } 1339 ifp->if_timer = 1; 1340 } 1341 1342 if (sc->sc_scan_timer) { 1343 if (--sc->sc_scan_timer <= WI_SCAN_WAIT - WI_SCAN_INQWAIT && 1344 sc->sc_firmware_type == WI_INTERSIL) { 1345 DPRINTF(("wi_watchdog: inquire scan\n")); 1346 wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_SCAN_RESULTS, 0, 0); 1347 } 1348 if (sc->sc_scan_timer) 1349 ifp->if_timer = 1; 1350 } 1351 1352 /* TODO: rate control */ 1353 ieee80211_watchdog(&sc->sc_ic); 1354 } 1355 1356 STATIC int 1357 wi_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1358 { 1359 struct wi_softc *sc = ifp->if_softc; 1360 struct ieee80211com *ic = &sc->sc_ic; 1361 struct ifreq *ifr = (struct ifreq *)data; 1362 int s, error = 0; 1363 1364 if (!device_is_active(&sc->sc_dev)) 1365 return ENXIO; 1366 1367 s = splnet(); 1368 1369 switch (cmd) { 1370 case SIOCSIFFLAGS: 1371 /* 1372 * Can't do promisc and hostap at the same time. If all that's 1373 * changing is the promisc flag, try to short-circuit a call to 1374 * wi_init() by just setting PROMISC in the hardware. 1375 */ 1376 if (ifp->if_flags & IFF_UP) { 1377 if (sc->sc_enabled) { 1378 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 1379 (ifp->if_flags & IFF_PROMISC) != 0) 1380 wi_write_val(sc, WI_RID_PROMISC, 1); 1381 else 1382 wi_write_val(sc, WI_RID_PROMISC, 0); 1383 } else 1384 error = wi_init(ifp); 1385 } else if (sc->sc_enabled) 1386 wi_stop(ifp, 1); 1387 break; 1388 case SIOCSIFMEDIA: 1389 case SIOCGIFMEDIA: 1390 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 1391 break; 1392 case SIOCADDMULTI: 1393 case SIOCDELMULTI: 1394 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 1395 if (ifp->if_flags & IFF_RUNNING) { 1396 /* do not rescan */ 1397 error = wi_write_multi(sc); 1398 } else 1399 error = 0; 1400 } 1401 break; 1402 case SIOCGIFGENERIC: 1403 error = wi_get_cfg(ifp, cmd, data); 1404 break; 1405 case SIOCSIFGENERIC: 1406 error = kauth_authorize_generic(curlwp->l_cred, 1407 KAUTH_GENERIC_ISSUSER, NULL); 1408 if (error) 1409 break; 1410 error = wi_set_cfg(ifp, cmd, data); 1411 if (error == ENETRESET) { 1412 if (ifp->if_flags & IFF_RUNNING) 1413 error = wi_init(ifp); 1414 else 1415 error = 0; 1416 } 1417 break; 1418 case SIOCS80211BSSID: 1419 if (sc->sc_firmware_type == WI_LUCENT) { 1420 error = ENODEV; 1421 break; 1422 } 1423 /* fall through */ 1424 default: 1425 ic->ic_flags |= sc->sc_ic_flags; 1426 error = ieee80211_ioctl(&sc->sc_ic, cmd, data); 1427 sc->sc_ic_flags = ic->ic_flags & IEEE80211_F_DROPUNENC; 1428 if (error == ENETRESET) { 1429 if (sc->sc_enabled) 1430 error = wi_init(ifp); 1431 else 1432 error = 0; 1433 } 1434 break; 1435 } 1436 wi_mend_flags(sc, ic->ic_state); 1437 splx(s); 1438 return error; 1439 } 1440 1441 STATIC int 1442 wi_media_change(struct ifnet *ifp) 1443 { 1444 struct wi_softc *sc = ifp->if_softc; 1445 struct ieee80211com *ic = &sc->sc_ic; 1446 int error; 1447 1448 error = ieee80211_media_change(ifp); 1449 if (error == ENETRESET) { 1450 if (sc->sc_enabled) 1451 error = wi_init(ifp); 1452 else 1453 error = 0; 1454 } 1455 ifp->if_baudrate = ifmedia_baudrate(ic->ic_media.ifm_cur->ifm_media); 1456 1457 return error; 1458 } 1459 1460 STATIC void 1461 wi_media_status(struct ifnet *ifp, struct ifmediareq *imr) 1462 { 1463 struct wi_softc *sc = ifp->if_softc; 1464 struct ieee80211com *ic = &sc->sc_ic; 1465 u_int16_t val; 1466 int rate; 1467 1468 if (sc->sc_enabled == 0) { 1469 imr->ifm_active = IFM_IEEE80211 | IFM_NONE; 1470 imr->ifm_status = 0; 1471 return; 1472 } 1473 1474 imr->ifm_status = IFM_AVALID; 1475 imr->ifm_active = IFM_IEEE80211; 1476 if (ic->ic_state == IEEE80211_S_RUN && 1477 (sc->sc_flags & WI_FLAGS_OUTRANGE) == 0) 1478 imr->ifm_status |= IFM_ACTIVE; 1479 if (wi_read_xrid(sc, WI_RID_CUR_TX_RATE, &val, sizeof(val)) == 0) { 1480 /* convert to 802.11 rate */ 1481 val = le16toh(val); 1482 rate = val * 2; 1483 if (sc->sc_firmware_type == WI_LUCENT) { 1484 if (rate == 10) 1485 rate = 11; /* 5.5Mbps */ 1486 } else { 1487 if (rate == 4*2) 1488 rate = 11; /* 5.5Mbps */ 1489 else if (rate == 8*2) 1490 rate = 22; /* 11Mbps */ 1491 } 1492 } else 1493 rate = 0; 1494 imr->ifm_active |= ieee80211_rate2media(ic, rate, IEEE80211_MODE_11B); 1495 switch (ic->ic_opmode) { 1496 case IEEE80211_M_STA: 1497 break; 1498 case IEEE80211_M_IBSS: 1499 imr->ifm_active |= IFM_IEEE80211_ADHOC; 1500 break; 1501 case IEEE80211_M_AHDEMO: 1502 imr->ifm_active |= IFM_IEEE80211_ADHOC | IFM_FLAG0; 1503 break; 1504 case IEEE80211_M_HOSTAP: 1505 imr->ifm_active |= IFM_IEEE80211_HOSTAP; 1506 break; 1507 case IEEE80211_M_MONITOR: 1508 imr->ifm_active |= IFM_IEEE80211_MONITOR; 1509 break; 1510 } 1511 } 1512 1513 STATIC struct ieee80211_node * 1514 wi_node_alloc(struct ieee80211_node_table *nt) 1515 { 1516 struct wi_node *wn = 1517 malloc(sizeof(struct wi_node), M_DEVBUF, M_NOWAIT | M_ZERO); 1518 return wn ? &wn->wn_node : NULL; 1519 } 1520 1521 STATIC void 1522 wi_node_free(struct ieee80211_node *ni) 1523 { 1524 struct wi_softc *sc = ni->ni_ic->ic_ifp->if_softc; 1525 int i; 1526 1527 for (i = 0; i < WI_NTXRSS; i++) { 1528 if (sc->sc_rssd[i].rd_desc.id_node == ni) 1529 sc->sc_rssd[i].rd_desc.id_node = NULL; 1530 } 1531 free(ni, M_DEVBUF); 1532 } 1533 1534 STATIC void 1535 wi_sync_bssid(struct wi_softc *sc, u_int8_t new_bssid[IEEE80211_ADDR_LEN]) 1536 { 1537 struct ieee80211com *ic = &sc->sc_ic; 1538 struct ieee80211_node *ni = ic->ic_bss; 1539 struct ifnet *ifp = &sc->sc_if; 1540 1541 if (IEEE80211_ADDR_EQ(new_bssid, ni->ni_bssid)) 1542 return; 1543 1544 DPRINTF(("wi_sync_bssid: bssid %s -> ", ether_sprintf(ni->ni_bssid))); 1545 DPRINTF(("%s ?\n", ether_sprintf(new_bssid))); 1546 1547 /* In promiscuous mode, the BSSID field is not a reliable 1548 * indicator of the firmware's BSSID. Damp spurious 1549 * change-of-BSSID indications. 1550 */ 1551 if ((ifp->if_flags & IFF_PROMISC) != 0 && 1552 !ppsratecheck(&sc->sc_last_syn, &sc->sc_false_syns, 1553 WI_MAX_FALSE_SYNS)) 1554 return; 1555 1556 sc->sc_false_syns = MAX(0, sc->sc_false_syns - 1); 1557 /* 1558 * XXX hack; we should create a new node with the new bssid 1559 * and replace the existing ic_bss with it but since we don't 1560 * process management frames to collect state we cheat by 1561 * reusing the existing node as we know wi_newstate will be 1562 * called and it will overwrite the node state. 1563 */ 1564 ieee80211_sta_join(ic, ieee80211_ref_node(ni)); 1565 } 1566 1567 static inline void 1568 wi_rssadapt_input(struct ieee80211com *ic, struct ieee80211_node *ni, 1569 struct ieee80211_frame *wh, int rssi) 1570 { 1571 struct wi_node *wn; 1572 1573 if (ni == NULL) { 1574 printf("%s: null node", __func__); 1575 return; 1576 } 1577 1578 wn = (void*)ni; 1579 ieee80211_rssadapt_input(ic, ni, &wn->wn_rssadapt, rssi); 1580 } 1581 1582 STATIC void 1583 wi_rx_intr(struct wi_softc *sc) 1584 { 1585 struct ieee80211com *ic = &sc->sc_ic; 1586 struct ifnet *ifp = &sc->sc_if; 1587 struct ieee80211_node *ni; 1588 struct wi_frame frmhdr; 1589 struct mbuf *m; 1590 struct ieee80211_frame *wh; 1591 int fid, len, off, rssi; 1592 u_int8_t dir; 1593 u_int16_t status; 1594 u_int32_t rstamp; 1595 1596 fid = CSR_READ_2(sc, WI_RX_FID); 1597 1598 /* First read in the frame header */ 1599 if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr))) { 1600 printf("%s: %s read fid %x failed\n", sc->sc_dev.dv_xname, 1601 __func__, fid); 1602 ifp->if_ierrors++; 1603 return; 1604 } 1605 1606 if (IFF_DUMPPKTS(ifp)) 1607 wi_dump_pkt(&frmhdr, NULL, frmhdr.wi_rx_signal); 1608 1609 /* 1610 * Drop undecryptable or packets with receive errors here 1611 */ 1612 status = le16toh(frmhdr.wi_status); 1613 if ((status & WI_STAT_ERRSTAT) != 0 && 1614 ic->ic_opmode != IEEE80211_M_MONITOR) { 1615 ifp->if_ierrors++; 1616 DPRINTF(("wi_rx_intr: fid %x error status %x\n", fid, status)); 1617 return; 1618 } 1619 rssi = frmhdr.wi_rx_signal; 1620 rstamp = (le16toh(frmhdr.wi_rx_tstamp0) << 16) | 1621 le16toh(frmhdr.wi_rx_tstamp1); 1622 1623 len = le16toh(frmhdr.wi_dat_len); 1624 off = ALIGN(sizeof(struct ieee80211_frame)); 1625 1626 /* Sometimes the PRISM2.x returns bogusly large frames. Except 1627 * in monitor mode, just throw them away. 1628 */ 1629 if (off + len > MCLBYTES) { 1630 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 1631 ifp->if_ierrors++; 1632 DPRINTF(("wi_rx_intr: oversized packet\n")); 1633 return; 1634 } else 1635 len = 0; 1636 } 1637 1638 MGETHDR(m, M_DONTWAIT, MT_DATA); 1639 if (m == NULL) { 1640 ifp->if_ierrors++; 1641 DPRINTF(("wi_rx_intr: MGET failed\n")); 1642 return; 1643 } 1644 if (off + len > MHLEN) { 1645 MCLGET(m, M_DONTWAIT); 1646 if ((m->m_flags & M_EXT) == 0) { 1647 m_freem(m); 1648 ifp->if_ierrors++; 1649 DPRINTF(("wi_rx_intr: MCLGET failed\n")); 1650 return; 1651 } 1652 } 1653 1654 m->m_data += off - sizeof(struct ieee80211_frame); 1655 memcpy(m->m_data, &frmhdr.wi_whdr, sizeof(struct ieee80211_frame)); 1656 wi_read_bap(sc, fid, sizeof(frmhdr), 1657 m->m_data + sizeof(struct ieee80211_frame), len); 1658 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame) + len; 1659 m->m_pkthdr.rcvif = ifp; 1660 1661 wh = mtod(m, struct ieee80211_frame *); 1662 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1663 /* 1664 * WEP is decrypted by hardware. Clear WEP bit 1665 * header for ieee80211_input(). 1666 */ 1667 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 1668 } 1669 #if NBPFILTER > 0 1670 if (sc->sc_drvbpf) { 1671 struct wi_rx_radiotap_header *tap = &sc->sc_rxtap; 1672 1673 tap->wr_rate = frmhdr.wi_rx_rate / 5; 1674 tap->wr_antsignal = frmhdr.wi_rx_signal; 1675 tap->wr_antnoise = frmhdr.wi_rx_silence; 1676 tap->wr_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); 1677 tap->wr_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); 1678 if (frmhdr.wi_status & WI_STAT_PCF) 1679 tap->wr_flags |= IEEE80211_RADIOTAP_F_CFP; 1680 1681 /* XXX IEEE80211_RADIOTAP_F_WEP */ 1682 bpf_mtap2(sc->sc_drvbpf, tap, tap->wr_ihdr.it_len, m); 1683 } 1684 #endif 1685 1686 /* synchronize driver's BSSID with firmware's BSSID */ 1687 dir = wh->i_fc[1] & IEEE80211_FC1_DIR_MASK; 1688 if (ic->ic_opmode == IEEE80211_M_IBSS && dir == IEEE80211_FC1_DIR_NODS) 1689 wi_sync_bssid(sc, wh->i_addr3); 1690 1691 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1692 1693 ieee80211_input(ic, m, ni, rssi, rstamp); 1694 1695 wi_rssadapt_input(ic, ni, wh, rssi); 1696 1697 /* 1698 * The frame may have caused the node to be marked for 1699 * reclamation (e.g. in response to a DEAUTH message) 1700 * so use release_node here instead of unref_node. 1701 */ 1702 ieee80211_free_node(ni); 1703 } 1704 1705 STATIC void 1706 wi_tx_ex_intr(struct wi_softc *sc) 1707 { 1708 struct ieee80211com *ic = &sc->sc_ic; 1709 struct ifnet *ifp = &sc->sc_if; 1710 struct ieee80211_node *ni; 1711 struct ieee80211_rssdesc *id; 1712 struct wi_rssdesc *rssd; 1713 struct wi_frame frmhdr; 1714 int fid; 1715 u_int16_t status; 1716 1717 fid = CSR_READ_2(sc, WI_TX_CMP_FID); 1718 /* Read in the frame header */ 1719 if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)) != 0) { 1720 printf("%s: %s read fid %x failed\n", sc->sc_dev.dv_xname, 1721 __func__, fid); 1722 wi_rssdescs_reset(ic, &sc->sc_rssd, &sc->sc_rssdfree, 1723 &sc->sc_txpending); 1724 goto out; 1725 } 1726 1727 if (frmhdr.wi_tx_idx >= WI_NTXRSS) { 1728 printf("%s: %s bad idx %02x\n", 1729 sc->sc_dev.dv_xname, __func__, frmhdr.wi_tx_idx); 1730 wi_rssdescs_reset(ic, &sc->sc_rssd, &sc->sc_rssdfree, 1731 &sc->sc_txpending); 1732 goto out; 1733 } 1734 1735 status = le16toh(frmhdr.wi_status); 1736 1737 /* 1738 * Spontaneous station disconnects appear as xmit 1739 * errors. Don't announce them and/or count them 1740 * as an output error. 1741 */ 1742 if (ppsratecheck(&lasttxerror, &curtxeps, wi_txerate)) { 1743 printf("%s: tx failed", sc->sc_dev.dv_xname); 1744 if (status & WI_TXSTAT_RET_ERR) 1745 printf(", retry limit exceeded"); 1746 if (status & WI_TXSTAT_AGED_ERR) 1747 printf(", max transmit lifetime exceeded"); 1748 if (status & WI_TXSTAT_DISCONNECT) 1749 printf(", port disconnected"); 1750 if (status & WI_TXSTAT_FORM_ERR) 1751 printf(", invalid format (data len %u src %s)", 1752 le16toh(frmhdr.wi_dat_len), 1753 ether_sprintf(frmhdr.wi_ehdr.ether_shost)); 1754 if (status & ~0xf) 1755 printf(", status=0x%x", status); 1756 printf("\n"); 1757 } 1758 ifp->if_oerrors++; 1759 rssd = &sc->sc_rssd[frmhdr.wi_tx_idx]; 1760 id = &rssd->rd_desc; 1761 if ((status & WI_TXSTAT_RET_ERR) != 0) 1762 wi_lower_rate(ic, id); 1763 1764 ni = id->id_node; 1765 id->id_node = NULL; 1766 1767 if (ni == NULL) { 1768 printf("%s: %s null node, rssdesc %02x\n", 1769 sc->sc_dev.dv_xname, __func__, frmhdr.wi_tx_idx); 1770 goto out; 1771 } 1772 1773 if (sc->sc_txpending[id->id_rateidx]-- == 0) { 1774 printf("%s: %s txpending[%i] wraparound", sc->sc_dev.dv_xname, 1775 __func__, id->id_rateidx); 1776 sc->sc_txpending[id->id_rateidx] = 0; 1777 } 1778 if (ni != NULL) 1779 ieee80211_free_node(ni); 1780 SLIST_INSERT_HEAD(&sc->sc_rssdfree, rssd, rd_next); 1781 out: 1782 ifp->if_flags &= ~IFF_OACTIVE; 1783 } 1784 1785 STATIC void 1786 wi_txalloc_intr(struct wi_softc *sc) 1787 { 1788 int fid, cur; 1789 1790 fid = CSR_READ_2(sc, WI_ALLOC_FID); 1791 1792 cur = sc->sc_txalloc; 1793 #ifdef DIAGNOSTIC 1794 if (sc->sc_txstarted == 0) { 1795 printf("%s: spurious alloc %x != %x, alloc %d queue %d start %d alloced %d queued %d started %d\n", 1796 sc->sc_dev.dv_xname, fid, sc->sc_txd[cur].d_fid, cur, 1797 sc->sc_txqueue, sc->sc_txstart, sc->sc_txalloced, sc->sc_txqueued, sc->sc_txstarted); 1798 return; 1799 } 1800 #endif 1801 --sc->sc_txstarted; 1802 ++sc->sc_txalloced; 1803 sc->sc_txd[cur].d_fid = fid; 1804 sc->sc_txalloc = (cur + 1) % WI_NTXBUF; 1805 #ifdef WI_RING_DEBUG 1806 printf("%s: alloc %04x, alloc %d queue %d start %d alloced %d queued %d started %d\n", 1807 sc->sc_dev.dv_xname, fid, 1808 sc->sc_txalloc, sc->sc_txqueue, sc->sc_txstart, 1809 sc->sc_txalloced, sc->sc_txqueued, sc->sc_txstarted); 1810 #endif 1811 } 1812 1813 STATIC void 1814 wi_cmd_intr(struct wi_softc *sc) 1815 { 1816 struct ifnet *ifp = &sc->sc_if; 1817 1818 if (sc->sc_invalid) 1819 return; 1820 #ifdef WI_DEBUG 1821 if (wi_debug > 1) 1822 printf("%s: %d txcmds outstanding\n", __func__, sc->sc_txcmds); 1823 #endif 1824 KASSERT(sc->sc_txcmds > 0); 1825 1826 --sc->sc_txcmds; 1827 1828 if (--sc->sc_txqueued == 0) { 1829 sc->sc_tx_timer = 0; 1830 ifp->if_flags &= ~IFF_OACTIVE; 1831 #ifdef WI_RING_DEBUG 1832 printf("%s: cmd , alloc %d queue %d start %d alloced %d queued %d started %d\n", 1833 sc->sc_dev.dv_xname, 1834 sc->sc_txalloc, sc->sc_txqueue, sc->sc_txstart, 1835 sc->sc_txalloced, sc->sc_txqueued, sc->sc_txstarted); 1836 #endif 1837 } else 1838 wi_push_packet(sc); 1839 } 1840 1841 STATIC void 1842 wi_push_packet(struct wi_softc *sc) 1843 { 1844 struct ifnet *ifp = &sc->sc_if; 1845 int cur, fid; 1846 1847 cur = sc->sc_txstart; 1848 fid = sc->sc_txd[cur].d_fid; 1849 1850 KASSERT(sc->sc_txcmds == 0); 1851 1852 if (wi_cmd_start(sc, WI_CMD_TX | WI_RECLAIM, fid, 0, 0)) { 1853 printf("%s: xmit failed\n", sc->sc_dev.dv_xname); 1854 /* XXX ring might have a hole */ 1855 } 1856 1857 if (sc->sc_txcmds++ > 0) 1858 printf("%s: %d tx cmds pending!!!\n", __func__, sc->sc_txcmds); 1859 1860 ++sc->sc_txstarted; 1861 #ifdef DIAGNOSTIC 1862 if (sc->sc_txstarted > WI_NTXBUF) 1863 printf("%s: too many buffers started\n", sc->sc_dev.dv_xname); 1864 #endif 1865 sc->sc_txstart = (cur + 1) % WI_NTXBUF; 1866 sc->sc_tx_timer = 5; 1867 ifp->if_timer = 1; 1868 #ifdef WI_RING_DEBUG 1869 printf("%s: push %04x, alloc %d queue %d start %d alloced %d queued %d started %d\n", 1870 sc->sc_dev.dv_xname, fid, 1871 sc->sc_txalloc, sc->sc_txqueue, sc->sc_txstart, 1872 sc->sc_txalloced, sc->sc_txqueued, sc->sc_txstarted); 1873 #endif 1874 } 1875 1876 STATIC void 1877 wi_tx_intr(struct wi_softc *sc) 1878 { 1879 struct ieee80211com *ic = &sc->sc_ic; 1880 struct ifnet *ifp = &sc->sc_if; 1881 struct ieee80211_node *ni; 1882 struct ieee80211_rssdesc *id; 1883 struct wi_rssdesc *rssd; 1884 struct wi_frame frmhdr; 1885 int fid; 1886 1887 fid = CSR_READ_2(sc, WI_TX_CMP_FID); 1888 /* Read in the frame header */ 1889 if (wi_read_bap(sc, fid, offsetof(struct wi_frame, wi_tx_swsup2), 1890 &frmhdr.wi_tx_swsup2, 2) != 0) { 1891 printf("%s: %s read fid %x failed\n", sc->sc_dev.dv_xname, 1892 __func__, fid); 1893 wi_rssdescs_reset(ic, &sc->sc_rssd, &sc->sc_rssdfree, 1894 &sc->sc_txpending); 1895 goto out; 1896 } 1897 1898 if (frmhdr.wi_tx_idx >= WI_NTXRSS) { 1899 printf("%s: %s bad idx %02x\n", 1900 sc->sc_dev.dv_xname, __func__, frmhdr.wi_tx_idx); 1901 wi_rssdescs_reset(ic, &sc->sc_rssd, &sc->sc_rssdfree, 1902 &sc->sc_txpending); 1903 goto out; 1904 } 1905 1906 rssd = &sc->sc_rssd[frmhdr.wi_tx_idx]; 1907 id = &rssd->rd_desc; 1908 wi_raise_rate(ic, id); 1909 1910 ni = id->id_node; 1911 id->id_node = NULL; 1912 1913 if (ni == NULL) { 1914 printf("%s: %s null node, rssdesc %02x\n", 1915 sc->sc_dev.dv_xname, __func__, frmhdr.wi_tx_idx); 1916 goto out; 1917 } 1918 1919 if (sc->sc_txpending[id->id_rateidx]-- == 0) { 1920 printf("%s: %s txpending[%i] wraparound", sc->sc_dev.dv_xname, 1921 __func__, id->id_rateidx); 1922 sc->sc_txpending[id->id_rateidx] = 0; 1923 } 1924 if (ni != NULL) 1925 ieee80211_free_node(ni); 1926 SLIST_INSERT_HEAD(&sc->sc_rssdfree, rssd, rd_next); 1927 out: 1928 ifp->if_flags &= ~IFF_OACTIVE; 1929 } 1930 1931 STATIC void 1932 wi_info_intr(struct wi_softc *sc) 1933 { 1934 struct ieee80211com *ic = &sc->sc_ic; 1935 struct ifnet *ifp = &sc->sc_if; 1936 int i, fid, len, off; 1937 u_int16_t ltbuf[2]; 1938 u_int16_t stat; 1939 u_int32_t *ptr; 1940 1941 fid = CSR_READ_2(sc, WI_INFO_FID); 1942 wi_read_bap(sc, fid, 0, ltbuf, sizeof(ltbuf)); 1943 1944 switch (le16toh(ltbuf[1])) { 1945 1946 case WI_INFO_LINK_STAT: 1947 wi_read_bap(sc, fid, sizeof(ltbuf), &stat, sizeof(stat)); 1948 DPRINTF(("wi_info_intr: LINK_STAT 0x%x\n", le16toh(stat))); 1949 switch (le16toh(stat)) { 1950 case CONNECTED: 1951 sc->sc_flags &= ~WI_FLAGS_OUTRANGE; 1952 if (ic->ic_state == IEEE80211_S_RUN && 1953 ic->ic_opmode != IEEE80211_M_IBSS) 1954 break; 1955 /* FALLTHROUGH */ 1956 case AP_CHANGE: 1957 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 1958 break; 1959 case AP_IN_RANGE: 1960 sc->sc_flags &= ~WI_FLAGS_OUTRANGE; 1961 break; 1962 case AP_OUT_OF_RANGE: 1963 if (sc->sc_firmware_type == WI_SYMBOL && 1964 sc->sc_scan_timer > 0) { 1965 if (wi_cmd(sc, WI_CMD_INQUIRE, 1966 WI_INFO_HOST_SCAN_RESULTS, 0, 0) != 0) 1967 sc->sc_scan_timer = 0; 1968 break; 1969 } 1970 if (ic->ic_opmode == IEEE80211_M_STA) 1971 sc->sc_flags |= WI_FLAGS_OUTRANGE; 1972 break; 1973 case DISCONNECTED: 1974 case ASSOC_FAILED: 1975 if (ic->ic_opmode == IEEE80211_M_STA) 1976 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1977 break; 1978 } 1979 break; 1980 1981 case WI_INFO_COUNTERS: 1982 /* some card versions have a larger stats structure */ 1983 len = min(le16toh(ltbuf[0]) - 1, sizeof(sc->sc_stats) / 4); 1984 ptr = (u_int32_t *)&sc->sc_stats; 1985 off = sizeof(ltbuf); 1986 for (i = 0; i < len; i++, off += 2, ptr++) { 1987 wi_read_bap(sc, fid, off, &stat, sizeof(stat)); 1988 stat = le16toh(stat); 1989 #ifdef WI_HERMES_STATS_WAR 1990 if (stat & 0xf000) 1991 stat = ~stat; 1992 #endif 1993 *ptr += stat; 1994 } 1995 ifp->if_collisions = sc->sc_stats.wi_tx_single_retries + 1996 sc->sc_stats.wi_tx_multi_retries + 1997 sc->sc_stats.wi_tx_retry_limit; 1998 break; 1999 2000 case WI_INFO_SCAN_RESULTS: 2001 case WI_INFO_HOST_SCAN_RESULTS: 2002 wi_scan_result(sc, fid, le16toh(ltbuf[0])); 2003 break; 2004 2005 default: 2006 DPRINTF(("wi_info_intr: got fid %x type %x len %d\n", fid, 2007 le16toh(ltbuf[1]), le16toh(ltbuf[0]))); 2008 break; 2009 } 2010 } 2011 2012 STATIC int 2013 wi_write_multi(struct wi_softc *sc) 2014 { 2015 struct ifnet *ifp = &sc->sc_if; 2016 int n; 2017 struct wi_mcast mlist; 2018 struct ether_multi *enm; 2019 struct ether_multistep estep; 2020 2021 if ((ifp->if_flags & IFF_PROMISC) != 0) { 2022 allmulti: 2023 ifp->if_flags |= IFF_ALLMULTI; 2024 memset(&mlist, 0, sizeof(mlist)); 2025 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist, 2026 sizeof(mlist)); 2027 } 2028 2029 n = 0; 2030 ETHER_FIRST_MULTI(estep, &sc->sc_ec, enm); 2031 while (enm != NULL) { 2032 /* Punt on ranges or too many multicast addresses. */ 2033 if (!IEEE80211_ADDR_EQ(enm->enm_addrlo, enm->enm_addrhi) || 2034 n >= sizeof(mlist) / sizeof(mlist.wi_mcast[0])) 2035 goto allmulti; 2036 2037 IEEE80211_ADDR_COPY(&mlist.wi_mcast[n], enm->enm_addrlo); 2038 n++; 2039 ETHER_NEXT_MULTI(estep, enm); 2040 } 2041 ifp->if_flags &= ~IFF_ALLMULTI; 2042 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist, 2043 IEEE80211_ADDR_LEN * n); 2044 } 2045 2046 2047 STATIC void 2048 wi_read_nicid(struct wi_softc *sc) 2049 { 2050 struct wi_card_ident *id; 2051 char *p; 2052 int len; 2053 u_int16_t ver[4]; 2054 2055 /* getting chip identity */ 2056 memset(ver, 0, sizeof(ver)); 2057 len = sizeof(ver); 2058 wi_read_rid(sc, WI_RID_CARD_ID, ver, &len); 2059 printf("%s: using ", sc->sc_dev.dv_xname); 2060 DPRINTF2(("wi_read_nicid: CARD_ID: %x %x %x %x\n", le16toh(ver[0]), le16toh(ver[1]), le16toh(ver[2]), le16toh(ver[3]))); 2061 2062 sc->sc_firmware_type = WI_NOTYPE; 2063 for (id = wi_card_ident; id->card_name != NULL; id++) { 2064 if (le16toh(ver[0]) == id->card_id) { 2065 printf("%s", id->card_name); 2066 sc->sc_firmware_type = id->firm_type; 2067 break; 2068 } 2069 } 2070 if (sc->sc_firmware_type == WI_NOTYPE) { 2071 if (le16toh(ver[0]) & 0x8000) { 2072 printf("Unknown PRISM2 chip"); 2073 sc->sc_firmware_type = WI_INTERSIL; 2074 } else { 2075 printf("Unknown Lucent chip"); 2076 sc->sc_firmware_type = WI_LUCENT; 2077 } 2078 } 2079 2080 /* get primary firmware version (Only Prism chips) */ 2081 if (sc->sc_firmware_type != WI_LUCENT) { 2082 memset(ver, 0, sizeof(ver)); 2083 len = sizeof(ver); 2084 wi_read_rid(sc, WI_RID_PRI_IDENTITY, ver, &len); 2085 sc->sc_pri_firmware_ver = le16toh(ver[2]) * 10000 + 2086 le16toh(ver[3]) * 100 + le16toh(ver[1]); 2087 } 2088 2089 /* get station firmware version */ 2090 memset(ver, 0, sizeof(ver)); 2091 len = sizeof(ver); 2092 wi_read_rid(sc, WI_RID_STA_IDENTITY, ver, &len); 2093 sc->sc_sta_firmware_ver = le16toh(ver[2]) * 10000 + 2094 le16toh(ver[3]) * 100 + le16toh(ver[1]); 2095 if (sc->sc_firmware_type == WI_INTERSIL && 2096 (sc->sc_sta_firmware_ver == 10102 || 2097 sc->sc_sta_firmware_ver == 20102)) { 2098 char ident[12]; 2099 memset(ident, 0, sizeof(ident)); 2100 len = sizeof(ident); 2101 /* value should be the format like "V2.00-11" */ 2102 if (wi_read_rid(sc, WI_RID_SYMBOL_IDENTITY, ident, &len) == 0 && 2103 *(p = (char *)ident) >= 'A' && 2104 p[2] == '.' && p[5] == '-' && p[8] == '\0') { 2105 sc->sc_firmware_type = WI_SYMBOL; 2106 sc->sc_sta_firmware_ver = (p[1] - '0') * 10000 + 2107 (p[3] - '0') * 1000 + (p[4] - '0') * 100 + 2108 (p[6] - '0') * 10 + (p[7] - '0'); 2109 } 2110 } 2111 2112 printf("\n%s: %s Firmware: ", sc->sc_dev.dv_xname, 2113 sc->sc_firmware_type == WI_LUCENT ? "Lucent" : 2114 (sc->sc_firmware_type == WI_SYMBOL ? "Symbol" : "Intersil")); 2115 if (sc->sc_firmware_type != WI_LUCENT) /* XXX */ 2116 printf("Primary (%u.%u.%u), ", 2117 sc->sc_pri_firmware_ver / 10000, 2118 (sc->sc_pri_firmware_ver % 10000) / 100, 2119 sc->sc_pri_firmware_ver % 100); 2120 printf("Station (%u.%u.%u)\n", 2121 sc->sc_sta_firmware_ver / 10000, 2122 (sc->sc_sta_firmware_ver % 10000) / 100, 2123 sc->sc_sta_firmware_ver % 100); 2124 } 2125 2126 STATIC int 2127 wi_write_ssid(struct wi_softc *sc, int rid, u_int8_t *buf, int buflen) 2128 { 2129 struct wi_ssid ssid; 2130 2131 if (buflen > IEEE80211_NWID_LEN) 2132 return ENOBUFS; 2133 memset(&ssid, 0, sizeof(ssid)); 2134 ssid.wi_len = htole16(buflen); 2135 memcpy(ssid.wi_ssid, buf, buflen); 2136 return wi_write_rid(sc, rid, &ssid, sizeof(ssid)); 2137 } 2138 2139 STATIC int 2140 wi_get_cfg(struct ifnet *ifp, u_long cmd, void *data) 2141 { 2142 struct wi_softc *sc = ifp->if_softc; 2143 struct ieee80211com *ic = &sc->sc_ic; 2144 struct ifreq *ifr = (struct ifreq *)data; 2145 struct wi_req wreq; 2146 int len, n, error; 2147 2148 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 2149 if (error) 2150 return error; 2151 len = (wreq.wi_len - 1) * 2; 2152 if (len < sizeof(u_int16_t)) 2153 return ENOSPC; 2154 if (len > sizeof(wreq.wi_val)) 2155 len = sizeof(wreq.wi_val); 2156 2157 switch (wreq.wi_type) { 2158 2159 case WI_RID_IFACE_STATS: 2160 memcpy(wreq.wi_val, &sc->sc_stats, sizeof(sc->sc_stats)); 2161 if (len < sizeof(sc->sc_stats)) 2162 error = ENOSPC; 2163 else 2164 len = sizeof(sc->sc_stats); 2165 break; 2166 2167 case WI_RID_ENCRYPTION: 2168 case WI_RID_TX_CRYPT_KEY: 2169 case WI_RID_DEFLT_CRYPT_KEYS: 2170 case WI_RID_TX_RATE: 2171 return ieee80211_cfgget(ic, cmd, data); 2172 2173 case WI_RID_MICROWAVE_OVEN: 2174 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_MOR)) { 2175 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 2176 &len); 2177 break; 2178 } 2179 wreq.wi_val[0] = htole16(sc->sc_microwave_oven); 2180 len = sizeof(u_int16_t); 2181 break; 2182 2183 case WI_RID_DBM_ADJUST: 2184 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_DBMADJUST)) { 2185 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 2186 &len); 2187 break; 2188 } 2189 wreq.wi_val[0] = htole16(sc->sc_dbm_offset); 2190 len = sizeof(u_int16_t); 2191 break; 2192 2193 case WI_RID_ROAMING_MODE: 2194 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_ROAMING)) { 2195 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 2196 &len); 2197 break; 2198 } 2199 wreq.wi_val[0] = htole16(sc->sc_roaming_mode); 2200 len = sizeof(u_int16_t); 2201 break; 2202 2203 case WI_RID_SYSTEM_SCALE: 2204 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE)) { 2205 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 2206 &len); 2207 break; 2208 } 2209 wreq.wi_val[0] = htole16(sc->sc_system_scale); 2210 len = sizeof(u_int16_t); 2211 break; 2212 2213 case WI_RID_FRAG_THRESH: 2214 if (sc->sc_enabled && (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR)) { 2215 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 2216 &len); 2217 break; 2218 } 2219 wreq.wi_val[0] = htole16(sc->sc_frag_thresh); 2220 len = sizeof(u_int16_t); 2221 break; 2222 2223 case WI_RID_READ_APS: 2224 #ifndef IEEE80211_NO_HOSTAP 2225 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2226 return ieee80211_cfgget(ic, cmd, data); 2227 #endif /* !IEEE80211_NO_HOSTAP */ 2228 if (sc->sc_scan_timer > 0) { 2229 error = EINPROGRESS; 2230 break; 2231 } 2232 n = sc->sc_naps; 2233 if (len < sizeof(n)) { 2234 error = ENOSPC; 2235 break; 2236 } 2237 if (len < sizeof(n) + sizeof(struct wi_apinfo) * n) 2238 n = (len - sizeof(n)) / sizeof(struct wi_apinfo); 2239 len = sizeof(n) + sizeof(struct wi_apinfo) * n; 2240 memcpy(wreq.wi_val, &n, sizeof(n)); 2241 memcpy((char *)wreq.wi_val + sizeof(n), sc->sc_aps, 2242 sizeof(struct wi_apinfo) * n); 2243 break; 2244 2245 default: 2246 if (sc->sc_enabled) { 2247 error = wi_read_rid(sc, wreq.wi_type, wreq.wi_val, 2248 &len); 2249 break; 2250 } 2251 switch (wreq.wi_type) { 2252 case WI_RID_MAX_DATALEN: 2253 wreq.wi_val[0] = htole16(sc->sc_max_datalen); 2254 len = sizeof(u_int16_t); 2255 break; 2256 case WI_RID_FRAG_THRESH: 2257 wreq.wi_val[0] = htole16(sc->sc_frag_thresh); 2258 len = sizeof(u_int16_t); 2259 break; 2260 case WI_RID_RTS_THRESH: 2261 wreq.wi_val[0] = htole16(sc->sc_rts_thresh); 2262 len = sizeof(u_int16_t); 2263 break; 2264 case WI_RID_CNFAUTHMODE: 2265 wreq.wi_val[0] = htole16(sc->sc_cnfauthmode); 2266 len = sizeof(u_int16_t); 2267 break; 2268 case WI_RID_NODENAME: 2269 if (len < sc->sc_nodelen + sizeof(u_int16_t)) { 2270 error = ENOSPC; 2271 break; 2272 } 2273 len = sc->sc_nodelen + sizeof(u_int16_t); 2274 wreq.wi_val[0] = htole16((sc->sc_nodelen + 1) / 2); 2275 memcpy(&wreq.wi_val[1], sc->sc_nodename, 2276 sc->sc_nodelen); 2277 break; 2278 default: 2279 return ieee80211_cfgget(ic, cmd, data); 2280 } 2281 break; 2282 } 2283 if (error) 2284 return error; 2285 wreq.wi_len = (len + 1) / 2 + 1; 2286 return copyout(&wreq, ifr->ifr_data, (wreq.wi_len + 1) * 2); 2287 } 2288 2289 STATIC int 2290 wi_set_cfg(struct ifnet *ifp, u_long cmd, void *data) 2291 { 2292 struct wi_softc *sc = ifp->if_softc; 2293 struct ieee80211com *ic = &sc->sc_ic; 2294 struct ifreq *ifr = (struct ifreq *)data; 2295 struct ieee80211_rateset *rs = &ic->ic_sup_rates[IEEE80211_MODE_11B]; 2296 struct wi_req wreq; 2297 struct mbuf *m; 2298 int i, len, error; 2299 2300 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 2301 if (error) 2302 return error; 2303 len = (wreq.wi_len - 1) * 2; 2304 switch (wreq.wi_type) { 2305 case WI_RID_MAC_NODE: 2306 (void)memcpy(ic->ic_myaddr, wreq.wi_val, ETHER_ADDR_LEN); 2307 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl),ic->ic_myaddr); 2308 wi_write_rid(sc, WI_RID_MAC_NODE, ic->ic_myaddr, 2309 IEEE80211_ADDR_LEN); 2310 break; 2311 2312 case WI_RID_DBM_ADJUST: 2313 return ENODEV; 2314 2315 case WI_RID_NODENAME: 2316 if (le16toh(wreq.wi_val[0]) * 2 > len || 2317 le16toh(wreq.wi_val[0]) > sizeof(sc->sc_nodename)) { 2318 error = ENOSPC; 2319 break; 2320 } 2321 if (sc->sc_enabled) { 2322 error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val, 2323 len); 2324 if (error) 2325 break; 2326 } 2327 sc->sc_nodelen = le16toh(wreq.wi_val[0]) * 2; 2328 memcpy(sc->sc_nodename, &wreq.wi_val[1], sc->sc_nodelen); 2329 break; 2330 2331 case WI_RID_MICROWAVE_OVEN: 2332 case WI_RID_ROAMING_MODE: 2333 case WI_RID_SYSTEM_SCALE: 2334 case WI_RID_FRAG_THRESH: 2335 if (wreq.wi_type == WI_RID_MICROWAVE_OVEN && 2336 (sc->sc_flags & WI_FLAGS_HAS_MOR) == 0) 2337 break; 2338 if (wreq.wi_type == WI_RID_ROAMING_MODE && 2339 (sc->sc_flags & WI_FLAGS_HAS_ROAMING) == 0) 2340 break; 2341 if (wreq.wi_type == WI_RID_SYSTEM_SCALE && 2342 (sc->sc_flags & WI_FLAGS_HAS_SYSSCALE) == 0) 2343 break; 2344 if (wreq.wi_type == WI_RID_FRAG_THRESH && 2345 (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR) == 0) 2346 break; 2347 /* FALLTHROUGH */ 2348 case WI_RID_RTS_THRESH: 2349 case WI_RID_CNFAUTHMODE: 2350 case WI_RID_MAX_DATALEN: 2351 if (sc->sc_enabled) { 2352 error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val, 2353 sizeof(u_int16_t)); 2354 if (error) 2355 break; 2356 } 2357 switch (wreq.wi_type) { 2358 case WI_RID_FRAG_THRESH: 2359 sc->sc_frag_thresh = le16toh(wreq.wi_val[0]); 2360 break; 2361 case WI_RID_RTS_THRESH: 2362 sc->sc_rts_thresh = le16toh(wreq.wi_val[0]); 2363 break; 2364 case WI_RID_MICROWAVE_OVEN: 2365 sc->sc_microwave_oven = le16toh(wreq.wi_val[0]); 2366 break; 2367 case WI_RID_ROAMING_MODE: 2368 sc->sc_roaming_mode = le16toh(wreq.wi_val[0]); 2369 break; 2370 case WI_RID_SYSTEM_SCALE: 2371 sc->sc_system_scale = le16toh(wreq.wi_val[0]); 2372 break; 2373 case WI_RID_CNFAUTHMODE: 2374 sc->sc_cnfauthmode = le16toh(wreq.wi_val[0]); 2375 break; 2376 case WI_RID_MAX_DATALEN: 2377 sc->sc_max_datalen = le16toh(wreq.wi_val[0]); 2378 break; 2379 } 2380 break; 2381 2382 case WI_RID_TX_RATE: 2383 switch (le16toh(wreq.wi_val[0])) { 2384 case 3: 2385 ic->ic_fixed_rate = -1; 2386 break; 2387 default: 2388 for (i = 0; i < IEEE80211_RATE_SIZE; i++) { 2389 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) 2390 / 2 == le16toh(wreq.wi_val[0])) 2391 break; 2392 } 2393 if (i == IEEE80211_RATE_SIZE) 2394 return EINVAL; 2395 ic->ic_fixed_rate = i; 2396 } 2397 if (sc->sc_enabled) 2398 error = wi_cfg_txrate(sc); 2399 break; 2400 2401 case WI_RID_SCAN_APS: 2402 if (sc->sc_enabled && ic->ic_opmode != IEEE80211_M_HOSTAP) 2403 error = wi_scan_ap(sc, 0x3fff, 0x000f); 2404 break; 2405 2406 case WI_RID_MGMT_XMIT: 2407 if (!sc->sc_enabled) { 2408 error = ENETDOWN; 2409 break; 2410 } 2411 if (ic->ic_mgtq.ifq_len > 5) { 2412 error = EAGAIN; 2413 break; 2414 } 2415 /* XXX wi_len looks in u_int8_t, not in u_int16_t */ 2416 m = m_devget((char *)&wreq.wi_val, wreq.wi_len, 0, ifp, NULL); 2417 if (m == NULL) { 2418 error = ENOMEM; 2419 break; 2420 } 2421 IF_ENQUEUE(&ic->ic_mgtq, m); 2422 break; 2423 2424 default: 2425 if (sc->sc_enabled) { 2426 error = wi_write_rid(sc, wreq.wi_type, wreq.wi_val, 2427 len); 2428 if (error) 2429 break; 2430 } 2431 error = ieee80211_cfgset(ic, cmd, data); 2432 break; 2433 } 2434 return error; 2435 } 2436 2437 /* Rate is 0 for hardware auto-select, otherwise rate is 2438 * 2, 4, 11, or 22 (units of 500Kbps). 2439 */ 2440 STATIC int 2441 wi_write_txrate(struct wi_softc *sc, int rate) 2442 { 2443 u_int16_t hwrate; 2444 2445 /* rate: 0, 2, 4, 11, 22 */ 2446 switch (sc->sc_firmware_type) { 2447 case WI_LUCENT: 2448 switch (rate & IEEE80211_RATE_VAL) { 2449 case 2: 2450 hwrate = 1; 2451 break; 2452 case 4: 2453 hwrate = 2; 2454 break; 2455 default: 2456 hwrate = 3; /* auto */ 2457 break; 2458 case 11: 2459 hwrate = 4; 2460 break; 2461 case 22: 2462 hwrate = 5; 2463 break; 2464 } 2465 break; 2466 default: 2467 switch (rate & IEEE80211_RATE_VAL) { 2468 case 2: 2469 hwrate = 1; 2470 break; 2471 case 4: 2472 hwrate = 2; 2473 break; 2474 case 11: 2475 hwrate = 4; 2476 break; 2477 case 22: 2478 hwrate = 8; 2479 break; 2480 default: 2481 hwrate = 15; /* auto */ 2482 break; 2483 } 2484 break; 2485 } 2486 2487 if (sc->sc_tx_rate == hwrate) 2488 return 0; 2489 2490 if (sc->sc_if.if_flags & IFF_DEBUG) 2491 printf("%s: tx rate %d -> %d (%d)\n", __func__, sc->sc_tx_rate, 2492 hwrate, rate); 2493 2494 sc->sc_tx_rate = hwrate; 2495 2496 return wi_write_val(sc, WI_RID_TX_RATE, sc->sc_tx_rate); 2497 } 2498 2499 STATIC int 2500 wi_cfg_txrate(struct wi_softc *sc) 2501 { 2502 struct ieee80211com *ic = &sc->sc_ic; 2503 struct ieee80211_rateset *rs; 2504 int rate; 2505 2506 rs = &ic->ic_sup_rates[IEEE80211_MODE_11B]; 2507 2508 sc->sc_tx_rate = 0; /* force write to RID */ 2509 2510 if (ic->ic_fixed_rate < 0) 2511 rate = 0; /* auto */ 2512 else 2513 rate = rs->rs_rates[ic->ic_fixed_rate]; 2514 2515 return wi_write_txrate(sc, rate); 2516 } 2517 2518 STATIC int 2519 wi_key_delete(struct ieee80211com *ic, const struct ieee80211_key *k) 2520 { 2521 struct wi_softc *sc = ic->ic_ifp->if_softc; 2522 u_int keyix = k->wk_keyix; 2523 2524 DPRINTF(("%s: delete key %u\n", __func__, keyix)); 2525 2526 if (keyix >= IEEE80211_WEP_NKID) 2527 return 0; 2528 if (k->wk_keylen != 0) 2529 sc->sc_flags &= ~WI_FLAGS_WEP_VALID; 2530 2531 return 1; 2532 } 2533 2534 static int 2535 wi_key_set(struct ieee80211com *ic, const struct ieee80211_key *k, 2536 const u_int8_t mac[IEEE80211_ADDR_LEN]) 2537 { 2538 struct wi_softc *sc = ic->ic_ifp->if_softc; 2539 2540 DPRINTF(("%s: set key %u\n", __func__, k->wk_keyix)); 2541 2542 if (k->wk_keyix >= IEEE80211_WEP_NKID) 2543 return 0; 2544 2545 sc->sc_flags &= ~WI_FLAGS_WEP_VALID; 2546 2547 return 1; 2548 } 2549 2550 STATIC void 2551 wi_key_update_begin(struct ieee80211com *ic) 2552 { 2553 DPRINTF(("%s:\n", __func__)); 2554 } 2555 2556 STATIC void 2557 wi_key_update_end(struct ieee80211com *ic) 2558 { 2559 struct ifnet *ifp = ic->ic_ifp; 2560 struct wi_softc *sc = ifp->if_softc; 2561 2562 DPRINTF(("%s:\n", __func__)); 2563 2564 if ((sc->sc_flags & WI_FLAGS_WEP_VALID) != 0) 2565 return; 2566 if ((ic->ic_caps & IEEE80211_C_WEP) != 0 && sc->sc_enabled && 2567 !sc->sc_invalid) 2568 (void)wi_write_wep(sc); 2569 } 2570 2571 STATIC int 2572 wi_write_wep(struct wi_softc *sc) 2573 { 2574 struct ifnet *ifp = &sc->sc_if; 2575 struct ieee80211com *ic = &sc->sc_ic; 2576 int error = 0; 2577 int i, keylen; 2578 u_int16_t val; 2579 struct wi_key wkey[IEEE80211_WEP_NKID]; 2580 2581 if ((ifp->if_flags & IFF_RUNNING) != 0) 2582 wi_cmd(sc, WI_CMD_DISABLE | sc->sc_portnum, 0, 0, 0); 2583 2584 switch (sc->sc_firmware_type) { 2585 case WI_LUCENT: 2586 val = (ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0; 2587 error = wi_write_val(sc, WI_RID_ENCRYPTION, val); 2588 if (error) 2589 break; 2590 error = wi_write_val(sc, WI_RID_TX_CRYPT_KEY, ic->ic_def_txkey); 2591 if (error) 2592 break; 2593 memset(wkey, 0, sizeof(wkey)); 2594 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2595 keylen = ic->ic_nw_keys[i].wk_keylen; 2596 wkey[i].wi_keylen = htole16(keylen); 2597 memcpy(wkey[i].wi_keydat, ic->ic_nw_keys[i].wk_key, 2598 keylen); 2599 } 2600 error = wi_write_rid(sc, WI_RID_DEFLT_CRYPT_KEYS, 2601 wkey, sizeof(wkey)); 2602 break; 2603 2604 case WI_INTERSIL: 2605 case WI_SYMBOL: 2606 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 2607 /* 2608 * ONLY HWB3163 EVAL-CARD Firmware version 2609 * less than 0.8 variant2 2610 * 2611 * If promiscuous mode disable, Prism2 chip 2612 * does not work with WEP . 2613 * It is under investigation for details. 2614 * (ichiro (at) NetBSD.org) 2615 */ 2616 if (sc->sc_firmware_type == WI_INTERSIL && 2617 sc->sc_sta_firmware_ver < 802 ) { 2618 /* firm ver < 0.8 variant 2 */ 2619 wi_write_val(sc, WI_RID_PROMISC, 1); 2620 } 2621 wi_write_val(sc, WI_RID_CNFAUTHMODE, 2622 sc->sc_cnfauthmode); 2623 val = PRIVACY_INVOKED; 2624 if ((sc->sc_ic_flags & IEEE80211_F_DROPUNENC) != 0) 2625 val |= EXCLUDE_UNENCRYPTED; 2626 #ifndef IEEE80211_NO_HOSTAP 2627 /* 2628 * Encryption firmware has a bug for HostAP mode. 2629 */ 2630 if (sc->sc_firmware_type == WI_INTERSIL && 2631 ic->ic_opmode == IEEE80211_M_HOSTAP) 2632 val |= HOST_ENCRYPT; 2633 #endif /* !IEEE80211_NO_HOSTAP */ 2634 } else { 2635 wi_write_val(sc, WI_RID_CNFAUTHMODE, 2636 IEEE80211_AUTH_OPEN); 2637 val = HOST_ENCRYPT | HOST_DECRYPT; 2638 } 2639 error = wi_write_val(sc, WI_RID_P2_ENCRYPTION, val); 2640 if (error) 2641 break; 2642 error = wi_write_val(sc, WI_RID_P2_TX_CRYPT_KEY, 2643 ic->ic_def_txkey); 2644 if (error) 2645 break; 2646 /* 2647 * It seems that the firmware accept 104bit key only if 2648 * all the keys have 104bit length. We get the length of 2649 * the transmit key and use it for all other keys. 2650 * Perhaps we should use software WEP for such situation. 2651 */ 2652 if (ic->ic_def_txkey == IEEE80211_KEYIX_NONE || 2653 IEEE80211_KEY_UNDEFINED(ic->ic_nw_keys[ic->ic_def_txkey])) 2654 keylen = 13; /* No keys => 104bit ok */ 2655 else 2656 keylen = ic->ic_nw_keys[ic->ic_def_txkey].wk_keylen; 2657 2658 if (keylen > IEEE80211_WEP_KEYLEN) 2659 keylen = 13; /* 104bit keys */ 2660 else 2661 keylen = IEEE80211_WEP_KEYLEN; 2662 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2663 error = wi_write_rid(sc, WI_RID_P2_CRYPT_KEY0 + i, 2664 ic->ic_nw_keys[i].wk_key, keylen); 2665 if (error) 2666 break; 2667 } 2668 break; 2669 } 2670 if ((ifp->if_flags & IFF_RUNNING) != 0) 2671 wi_cmd(sc, WI_CMD_ENABLE | sc->sc_portnum, 0, 0, 0); 2672 if (error == 0) 2673 sc->sc_flags |= WI_FLAGS_WEP_VALID; 2674 return error; 2675 } 2676 2677 /* Must be called at proper protection level! */ 2678 STATIC int 2679 wi_cmd_start(struct wi_softc *sc, int cmd, int val0, int val1, int val2) 2680 { 2681 #ifdef WI_HISTOGRAM 2682 static int hist1[11]; 2683 static int hist1count; 2684 #endif 2685 int i; 2686 2687 /* wait for the busy bit to clear */ 2688 for (i = 500; i > 0; i--) { /* 5s */ 2689 if ((CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY) == 0) 2690 break; 2691 if (sc->sc_invalid) 2692 return ENXIO; 2693 DELAY(1000); /* 1 m sec */ 2694 } 2695 if (i == 0) { 2696 printf("%s: wi_cmd: busy bit won't clear.\n", 2697 sc->sc_dev.dv_xname); 2698 return(ETIMEDOUT); 2699 } 2700 #ifdef WI_HISTOGRAM 2701 if (i > 490) 2702 hist1[500 - i]++; 2703 else 2704 hist1[10]++; 2705 if (++hist1count == 1000) { 2706 hist1count = 0; 2707 printf("%s: hist1: %d %d %d %d %d %d %d %d %d %d %d\n", 2708 sc->sc_dev.dv_xname, 2709 hist1[0], hist1[1], hist1[2], hist1[3], hist1[4], 2710 hist1[5], hist1[6], hist1[7], hist1[8], hist1[9], 2711 hist1[10]); 2712 } 2713 #endif 2714 CSR_WRITE_2(sc, WI_PARAM0, val0); 2715 CSR_WRITE_2(sc, WI_PARAM1, val1); 2716 CSR_WRITE_2(sc, WI_PARAM2, val2); 2717 CSR_WRITE_2(sc, WI_COMMAND, cmd); 2718 2719 return 0; 2720 } 2721 2722 STATIC int 2723 wi_cmd(struct wi_softc *sc, int cmd, int val0, int val1, int val2) 2724 { 2725 int rc; 2726 2727 #ifdef WI_DEBUG 2728 if (wi_debug) { 2729 printf("%s: [enter] %d txcmds outstanding\n", __func__, 2730 sc->sc_txcmds); 2731 } 2732 #endif 2733 if (sc->sc_txcmds > 0) 2734 wi_txcmd_wait(sc); 2735 2736 if ((rc = wi_cmd_start(sc, cmd, val0, val1, val2)) != 0) 2737 return rc; 2738 2739 if (cmd == WI_CMD_INI) { 2740 /* XXX: should sleep here. */ 2741 if (sc->sc_invalid) 2742 return ENXIO; 2743 DELAY(100*1000); 2744 } 2745 rc = wi_cmd_wait(sc, cmd, val0); 2746 2747 #ifdef WI_DEBUG 2748 if (wi_debug) { 2749 printf("%s: [ ] %d txcmds outstanding\n", __func__, 2750 sc->sc_txcmds); 2751 } 2752 #endif 2753 if (sc->sc_txcmds > 0) 2754 wi_cmd_intr(sc); 2755 2756 #ifdef WI_DEBUG 2757 if (wi_debug) { 2758 printf("%s: [leave] %d txcmds outstanding\n", __func__, 2759 sc->sc_txcmds); 2760 } 2761 #endif 2762 return rc; 2763 } 2764 2765 STATIC int 2766 wi_cmd_wait(struct wi_softc *sc, int cmd, int val0) 2767 { 2768 #ifdef WI_HISTOGRAM 2769 static int hist2[11]; 2770 static int hist2count; 2771 #endif 2772 int i, status; 2773 #ifdef WI_DEBUG 2774 if (wi_debug > 1) 2775 printf("%s: cmd=%#x, arg=%#x\n", __func__, cmd, val0); 2776 #endif /* WI_DEBUG */ 2777 2778 /* wait for the cmd completed bit */ 2779 for (i = 0; i < WI_TIMEOUT; i++) { 2780 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD) 2781 break; 2782 if (sc->sc_invalid) 2783 return ENXIO; 2784 DELAY(WI_DELAY); 2785 } 2786 2787 #ifdef WI_HISTOGRAM 2788 if (i < 100) 2789 hist2[i/10]++; 2790 else 2791 hist2[10]++; 2792 if (++hist2count == 1000) { 2793 hist2count = 0; 2794 printf("%s: hist2: %d %d %d %d %d %d %d %d %d %d %d\n", 2795 sc->sc_dev.dv_xname, 2796 hist2[0], hist2[1], hist2[2], hist2[3], hist2[4], 2797 hist2[5], hist2[6], hist2[7], hist2[8], hist2[9], 2798 hist2[10]); 2799 } 2800 #endif 2801 2802 status = CSR_READ_2(sc, WI_STATUS); 2803 2804 if (i == WI_TIMEOUT) { 2805 printf("%s: command timed out, cmd=0x%x, arg=0x%x\n", 2806 sc->sc_dev.dv_xname, cmd, val0); 2807 return ETIMEDOUT; 2808 } 2809 2810 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD); 2811 2812 if (status & WI_STAT_CMD_RESULT) { 2813 printf("%s: command failed, cmd=0x%x, arg=0x%x\n", 2814 sc->sc_dev.dv_xname, cmd, val0); 2815 return EIO; 2816 } 2817 return 0; 2818 } 2819 2820 STATIC int 2821 wi_seek_bap(struct wi_softc *sc, int id, int off) 2822 { 2823 #ifdef WI_HISTOGRAM 2824 static int hist4[11]; 2825 static int hist4count; 2826 #endif 2827 int i, status; 2828 2829 CSR_WRITE_2(sc, WI_SEL0, id); 2830 CSR_WRITE_2(sc, WI_OFF0, off); 2831 2832 for (i = 0; ; i++) { 2833 status = CSR_READ_2(sc, WI_OFF0); 2834 if ((status & WI_OFF_BUSY) == 0) 2835 break; 2836 if (i == WI_TIMEOUT) { 2837 printf("%s: timeout in wi_seek to %x/%x\n", 2838 sc->sc_dev.dv_xname, id, off); 2839 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 2840 return ETIMEDOUT; 2841 } 2842 if (sc->sc_invalid) 2843 return ENXIO; 2844 DELAY(2); 2845 } 2846 #ifdef WI_HISTOGRAM 2847 if (i < 100) 2848 hist4[i/10]++; 2849 else 2850 hist4[10]++; 2851 if (++hist4count == 2500) { 2852 hist4count = 0; 2853 printf("%s: hist4: %d %d %d %d %d %d %d %d %d %d %d\n", 2854 sc->sc_dev.dv_xname, 2855 hist4[0], hist4[1], hist4[2], hist4[3], hist4[4], 2856 hist4[5], hist4[6], hist4[7], hist4[8], hist4[9], 2857 hist4[10]); 2858 } 2859 #endif 2860 if (status & WI_OFF_ERR) { 2861 printf("%s: failed in wi_seek to %x/%x\n", 2862 sc->sc_dev.dv_xname, id, off); 2863 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 2864 return EIO; 2865 } 2866 sc->sc_bap_id = id; 2867 sc->sc_bap_off = off; 2868 return 0; 2869 } 2870 2871 STATIC int 2872 wi_read_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen) 2873 { 2874 int error, cnt; 2875 2876 if (buflen == 0) 2877 return 0; 2878 if (id != sc->sc_bap_id || off != sc->sc_bap_off) { 2879 if ((error = wi_seek_bap(sc, id, off)) != 0) 2880 return error; 2881 } 2882 cnt = (buflen + 1) / 2; 2883 CSR_READ_MULTI_STREAM_2(sc, WI_DATA0, (u_int16_t *)buf, cnt); 2884 sc->sc_bap_off += cnt * 2; 2885 return 0; 2886 } 2887 2888 STATIC int 2889 wi_write_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen) 2890 { 2891 int error, cnt; 2892 2893 if (buflen == 0) 2894 return 0; 2895 2896 #ifdef WI_HERMES_AUTOINC_WAR 2897 again: 2898 #endif 2899 if (id != sc->sc_bap_id || off != sc->sc_bap_off) { 2900 if ((error = wi_seek_bap(sc, id, off)) != 0) 2901 return error; 2902 } 2903 cnt = (buflen + 1) / 2; 2904 CSR_WRITE_MULTI_STREAM_2(sc, WI_DATA0, (u_int16_t *)buf, cnt); 2905 sc->sc_bap_off += cnt * 2; 2906 2907 #ifdef WI_HERMES_AUTOINC_WAR 2908 /* 2909 * According to the comments in the HCF Light code, there is a bug 2910 * in the Hermes (or possibly in certain Hermes firmware revisions) 2911 * where the chip's internal autoincrement counter gets thrown off 2912 * during data writes: the autoincrement is missed, causing one 2913 * data word to be overwritten and subsequent words to be written to 2914 * the wrong memory locations. The end result is that we could end 2915 * up transmitting bogus frames without realizing it. The workaround 2916 * for this is to write a couple of extra guard words after the end 2917 * of the transfer, then attempt to read then back. If we fail to 2918 * locate the guard words where we expect them, we preform the 2919 * transfer over again. 2920 */ 2921 if ((sc->sc_flags & WI_FLAGS_BUG_AUTOINC) && (id & 0xf000) == 0) { 2922 CSR_WRITE_2(sc, WI_DATA0, 0x1234); 2923 CSR_WRITE_2(sc, WI_DATA0, 0x5678); 2924 wi_seek_bap(sc, id, sc->sc_bap_off); 2925 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 2926 if (CSR_READ_2(sc, WI_DATA0) != 0x1234 || 2927 CSR_READ_2(sc, WI_DATA0) != 0x5678) { 2928 printf("%s: detect auto increment bug, try again\n", 2929 sc->sc_dev.dv_xname); 2930 goto again; 2931 } 2932 } 2933 #endif 2934 return 0; 2935 } 2936 2937 STATIC int 2938 wi_mwrite_bap(struct wi_softc *sc, int id, int off, struct mbuf *m0, int totlen) 2939 { 2940 int error, len; 2941 struct mbuf *m; 2942 2943 for (m = m0; m != NULL && totlen > 0; m = m->m_next) { 2944 if (m->m_len == 0) 2945 continue; 2946 2947 len = min(m->m_len, totlen); 2948 2949 if (((u_long)m->m_data) % 2 != 0 || len % 2 != 0) { 2950 m_copydata(m, 0, totlen, (void *)&sc->sc_txbuf); 2951 return wi_write_bap(sc, id, off, (void *)&sc->sc_txbuf, 2952 totlen); 2953 } 2954 2955 if ((error = wi_write_bap(sc, id, off, m->m_data, len)) != 0) 2956 return error; 2957 2958 off += m->m_len; 2959 totlen -= len; 2960 } 2961 return 0; 2962 } 2963 2964 STATIC int 2965 wi_alloc_fid(struct wi_softc *sc, int len, int *idp) 2966 { 2967 int i; 2968 2969 if (wi_cmd(sc, WI_CMD_ALLOC_MEM, len, 0, 0)) { 2970 printf("%s: failed to allocate %d bytes on NIC\n", 2971 sc->sc_dev.dv_xname, len); 2972 return ENOMEM; 2973 } 2974 2975 for (i = 0; i < WI_TIMEOUT; i++) { 2976 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_ALLOC) 2977 break; 2978 DELAY(1); 2979 } 2980 if (i == WI_TIMEOUT) { 2981 printf("%s: timeout in alloc\n", sc->sc_dev.dv_xname); 2982 return ETIMEDOUT; 2983 } 2984 *idp = CSR_READ_2(sc, WI_ALLOC_FID); 2985 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 2986 return 0; 2987 } 2988 2989 STATIC int 2990 wi_read_rid(struct wi_softc *sc, int rid, void *buf, int *buflenp) 2991 { 2992 int error, len; 2993 u_int16_t ltbuf[2]; 2994 2995 /* Tell the NIC to enter record read mode. */ 2996 error = wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_READ, rid, 0, 0); 2997 if (error) 2998 return error; 2999 3000 error = wi_read_bap(sc, rid, 0, ltbuf, sizeof(ltbuf)); 3001 if (error) 3002 return error; 3003 3004 if (le16toh(ltbuf[0]) == 0) 3005 return EOPNOTSUPP; 3006 if (le16toh(ltbuf[1]) != rid) { 3007 printf("%s: record read mismatch, rid=%x, got=%x\n", 3008 sc->sc_dev.dv_xname, rid, le16toh(ltbuf[1])); 3009 return EIO; 3010 } 3011 len = (le16toh(ltbuf[0]) - 1) * 2; /* already got rid */ 3012 if (*buflenp < len) { 3013 printf("%s: record buffer is too small, " 3014 "rid=%x, size=%d, len=%d\n", 3015 sc->sc_dev.dv_xname, rid, *buflenp, len); 3016 return ENOSPC; 3017 } 3018 *buflenp = len; 3019 return wi_read_bap(sc, rid, sizeof(ltbuf), buf, len); 3020 } 3021 3022 STATIC int 3023 wi_write_rid(struct wi_softc *sc, int rid, void *buf, int buflen) 3024 { 3025 int error; 3026 u_int16_t ltbuf[2]; 3027 3028 ltbuf[0] = htole16((buflen + 1) / 2 + 1); /* includes rid */ 3029 ltbuf[1] = htole16(rid); 3030 3031 error = wi_write_bap(sc, rid, 0, ltbuf, sizeof(ltbuf)); 3032 if (error) 3033 return error; 3034 error = wi_write_bap(sc, rid, sizeof(ltbuf), buf, buflen); 3035 if (error) 3036 return error; 3037 3038 return wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_WRITE, rid, 0, 0); 3039 } 3040 3041 STATIC void 3042 wi_rssadapt_updatestats_cb(void *arg, struct ieee80211_node *ni) 3043 { 3044 struct wi_node *wn = (void*)ni; 3045 ieee80211_rssadapt_updatestats(&wn->wn_rssadapt); 3046 } 3047 3048 STATIC void 3049 wi_rssadapt_updatestats(void *arg) 3050 { 3051 struct wi_softc *sc = arg; 3052 struct ieee80211com *ic = &sc->sc_ic; 3053 ieee80211_iterate_nodes(&ic->ic_sta, wi_rssadapt_updatestats_cb, arg); 3054 if (ic->ic_opmode != IEEE80211_M_MONITOR && 3055 ic->ic_state == IEEE80211_S_RUN) 3056 callout_reset(&sc->sc_rssadapt_ch, hz / 10, 3057 wi_rssadapt_updatestats, arg); 3058 } 3059 3060 /* 3061 * In HOSTAP mode, restore IEEE80211_F_DROPUNENC when operating 3062 * with WEP enabled so that the AP drops unencoded frames at the 3063 * 802.11 layer. 3064 * 3065 * In all other modes, clear IEEE80211_F_DROPUNENC when operating 3066 * with WEP enabled so we don't drop unencoded frames at the 802.11 3067 * layer. This is necessary because we must strip the WEP bit from 3068 * the 802.11 header before passing frames to ieee80211_input 3069 * because the card has already stripped the WEP crypto header from 3070 * the packet. 3071 */ 3072 STATIC void 3073 wi_mend_flags(struct wi_softc *sc, enum ieee80211_state nstate) 3074 { 3075 struct ieee80211com *ic = &sc->sc_ic; 3076 3077 if (nstate == IEEE80211_S_RUN && 3078 (ic->ic_flags & IEEE80211_F_PRIVACY) != 0 && 3079 ic->ic_opmode != IEEE80211_M_HOSTAP) 3080 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 3081 else 3082 ic->ic_flags |= sc->sc_ic_flags; 3083 3084 DPRINTF(("%s: state %d, " 3085 "ic->ic_flags & IEEE80211_F_DROPUNENC = %#" PRIx32 ", " 3086 "sc->sc_ic_flags & IEEE80211_F_DROPUNENC = %#" PRIx32 "\n", 3087 __func__, nstate, 3088 ic->ic_flags & IEEE80211_F_DROPUNENC, 3089 sc->sc_ic_flags & IEEE80211_F_DROPUNENC)); 3090 } 3091 3092 STATIC int 3093 wi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 3094 { 3095 struct ifnet *ifp = ic->ic_ifp; 3096 struct wi_softc *sc = ifp->if_softc; 3097 struct ieee80211_node *ni = ic->ic_bss; 3098 u_int16_t val; 3099 struct wi_ssid ssid; 3100 struct wi_macaddr bssid, old_bssid; 3101 enum ieee80211_state ostate; 3102 #ifdef WI_DEBUG 3103 static const char *stname[] = 3104 { "INIT", "SCAN", "AUTH", "ASSOC", "RUN" }; 3105 #endif /* WI_DEBUG */ 3106 3107 ostate = ic->ic_state; 3108 DPRINTF(("wi_newstate: %s -> %s\n", stname[ostate], stname[nstate])); 3109 3110 switch (nstate) { 3111 case IEEE80211_S_INIT: 3112 if (ic->ic_opmode != IEEE80211_M_MONITOR) 3113 callout_stop(&sc->sc_rssadapt_ch); 3114 ic->ic_flags &= ~IEEE80211_F_SIBSS; 3115 sc->sc_flags &= ~WI_FLAGS_OUTRANGE; 3116 break; 3117 3118 case IEEE80211_S_SCAN: 3119 case IEEE80211_S_AUTH: 3120 case IEEE80211_S_ASSOC: 3121 ic->ic_state = nstate; /* NB: skip normal ieee80211 handling */ 3122 wi_mend_flags(sc, nstate); 3123 return 0; 3124 3125 case IEEE80211_S_RUN: 3126 sc->sc_flags &= ~WI_FLAGS_OUTRANGE; 3127 IEEE80211_ADDR_COPY(old_bssid.wi_mac_addr, ni->ni_bssid); 3128 wi_read_xrid(sc, WI_RID_CURRENT_BSSID, &bssid, 3129 IEEE80211_ADDR_LEN); 3130 IEEE80211_ADDR_COPY(ni->ni_bssid, &bssid); 3131 IEEE80211_ADDR_COPY(ni->ni_macaddr, &bssid); 3132 wi_read_xrid(sc, WI_RID_CURRENT_CHAN, &val, sizeof(val)); 3133 if (!isset(ic->ic_chan_avail, le16toh(val))) 3134 panic("%s: invalid channel %d\n", sc->sc_dev.dv_xname, 3135 le16toh(val)); 3136 ni->ni_chan = &ic->ic_channels[le16toh(val)]; 3137 3138 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 3139 #ifndef IEEE80211_NO_HOSTAP 3140 ni->ni_esslen = ic->ic_des_esslen; 3141 memcpy(ni->ni_essid, ic->ic_des_essid, ni->ni_esslen); 3142 ni->ni_rates = ic->ic_sup_rates[ 3143 ieee80211_chan2mode(ic, ni->ni_chan)]; 3144 ni->ni_intval = ic->ic_lintval; 3145 ni->ni_capinfo = IEEE80211_CAPINFO_ESS; 3146 if (ic->ic_flags & IEEE80211_F_PRIVACY) 3147 ni->ni_capinfo |= IEEE80211_CAPINFO_PRIVACY; 3148 #endif /* !IEEE80211_NO_HOSTAP */ 3149 } else { 3150 wi_read_xrid(sc, WI_RID_CURRENT_SSID, &ssid, 3151 sizeof(ssid)); 3152 ni->ni_esslen = le16toh(ssid.wi_len); 3153 if (ni->ni_esslen > IEEE80211_NWID_LEN) 3154 ni->ni_esslen = IEEE80211_NWID_LEN; /*XXX*/ 3155 memcpy(ni->ni_essid, ssid.wi_ssid, ni->ni_esslen); 3156 ni->ni_rates = ic->ic_sup_rates[ 3157 ieee80211_chan2mode(ic, ni->ni_chan)]; /*XXX*/ 3158 } 3159 if (ic->ic_opmode != IEEE80211_M_MONITOR) 3160 callout_reset(&sc->sc_rssadapt_ch, hz / 10, 3161 wi_rssadapt_updatestats, sc); 3162 /* Trigger routing socket messages. XXX Copied from 3163 * ieee80211_newstate. 3164 */ 3165 if (ic->ic_opmode == IEEE80211_M_STA) 3166 ieee80211_notify_node_join(ic, ic->ic_bss, 3167 arg == IEEE80211_FC0_SUBTYPE_ASSOC_RESP); 3168 break; 3169 } 3170 wi_mend_flags(sc, nstate); 3171 return (*sc->sc_newstate)(ic, nstate, arg); 3172 } 3173 3174 STATIC void 3175 wi_set_tim(struct ieee80211_node *ni, int set) 3176 { 3177 struct ieee80211com *ic = ni->ni_ic; 3178 struct wi_softc *sc = ic->ic_ifp->if_softc; 3179 3180 (*sc->sc_set_tim)(ni, set); 3181 3182 if ((ic->ic_flags & IEEE80211_F_TIMUPDATE) == 0) 3183 return; 3184 3185 ic->ic_flags &= ~IEEE80211_F_TIMUPDATE; 3186 3187 (void)wi_write_val(sc, WI_RID_SET_TIM, 3188 IEEE80211_AID(ni->ni_associd) | (set ? 0x8000 : 0)); 3189 } 3190 3191 STATIC int 3192 wi_scan_ap(struct wi_softc *sc, u_int16_t chanmask, u_int16_t txrate) 3193 { 3194 int error = 0; 3195 u_int16_t val[2]; 3196 3197 if (!sc->sc_enabled) 3198 return ENXIO; 3199 switch (sc->sc_firmware_type) { 3200 case WI_LUCENT: 3201 (void)wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_SCAN_RESULTS, 0, 0); 3202 break; 3203 case WI_INTERSIL: 3204 val[0] = htole16(chanmask); /* channel */ 3205 val[1] = htole16(txrate); /* tx rate */ 3206 error = wi_write_rid(sc, WI_RID_SCAN_REQ, val, sizeof(val)); 3207 break; 3208 case WI_SYMBOL: 3209 /* 3210 * XXX only supported on 3.x ? 3211 */ 3212 val[0] = htole16(BSCAN_BCAST | BSCAN_ONETIME); 3213 error = wi_write_rid(sc, WI_RID_BCAST_SCAN_REQ, 3214 val, sizeof(val[0])); 3215 break; 3216 } 3217 if (error == 0) { 3218 sc->sc_scan_timer = WI_SCAN_WAIT; 3219 sc->sc_if.if_timer = 1; 3220 DPRINTF(("wi_scan_ap: start scanning, " 3221 "chanmask 0x%x txrate 0x%x\n", chanmask, txrate)); 3222 } 3223 return error; 3224 } 3225 3226 STATIC void 3227 wi_scan_result(struct wi_softc *sc, int fid, int cnt) 3228 { 3229 #define N(a) (sizeof (a) / sizeof (a[0])) 3230 int i, naps, off, szbuf; 3231 struct wi_scan_header ws_hdr; /* Prism2 header */ 3232 struct wi_scan_data_p2 ws_dat; /* Prism2 scantable*/ 3233 struct wi_apinfo *ap; 3234 3235 off = sizeof(u_int16_t) * 2; 3236 memset(&ws_hdr, 0, sizeof(ws_hdr)); 3237 switch (sc->sc_firmware_type) { 3238 case WI_INTERSIL: 3239 wi_read_bap(sc, fid, off, &ws_hdr, sizeof(ws_hdr)); 3240 off += sizeof(ws_hdr); 3241 szbuf = sizeof(struct wi_scan_data_p2); 3242 break; 3243 case WI_SYMBOL: 3244 szbuf = sizeof(struct wi_scan_data_p2) + 6; 3245 break; 3246 case WI_LUCENT: 3247 szbuf = sizeof(struct wi_scan_data); 3248 break; 3249 default: 3250 printf("%s: wi_scan_result: unknown firmware type %u\n", 3251 sc->sc_dev.dv_xname, sc->sc_firmware_type); 3252 naps = 0; 3253 goto done; 3254 } 3255 naps = (cnt * 2 + 2 - off) / szbuf; 3256 if (naps > N(sc->sc_aps)) 3257 naps = N(sc->sc_aps); 3258 sc->sc_naps = naps; 3259 /* Read Data */ 3260 ap = sc->sc_aps; 3261 memset(&ws_dat, 0, sizeof(ws_dat)); 3262 for (i = 0; i < naps; i++, ap++) { 3263 wi_read_bap(sc, fid, off, &ws_dat, 3264 (sizeof(ws_dat) < szbuf ? sizeof(ws_dat) : szbuf)); 3265 DPRINTF2(("wi_scan_result: #%d: off %d bssid %s\n", i, off, 3266 ether_sprintf(ws_dat.wi_bssid))); 3267 off += szbuf; 3268 ap->scanreason = le16toh(ws_hdr.wi_reason); 3269 memcpy(ap->bssid, ws_dat.wi_bssid, sizeof(ap->bssid)); 3270 ap->channel = le16toh(ws_dat.wi_chid); 3271 ap->signal = le16toh(ws_dat.wi_signal); 3272 ap->noise = le16toh(ws_dat.wi_noise); 3273 ap->quality = ap->signal - ap->noise; 3274 ap->capinfo = le16toh(ws_dat.wi_capinfo); 3275 ap->interval = le16toh(ws_dat.wi_interval); 3276 ap->rate = le16toh(ws_dat.wi_rate); 3277 ap->namelen = le16toh(ws_dat.wi_namelen); 3278 if (ap->namelen > sizeof(ap->name)) 3279 ap->namelen = sizeof(ap->name); 3280 memcpy(ap->name, ws_dat.wi_name, ap->namelen); 3281 } 3282 done: 3283 /* Done scanning */ 3284 sc->sc_scan_timer = 0; 3285 DPRINTF(("wi_scan_result: scan complete: ap %d\n", naps)); 3286 #undef N 3287 } 3288 3289 STATIC void 3290 wi_dump_pkt(struct wi_frame *wh, struct ieee80211_node *ni, int rssi) 3291 { 3292 ieee80211_dump_pkt((u_int8_t *) &wh->wi_whdr, sizeof(wh->wi_whdr), 3293 ni ? ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL 3294 : -1, 3295 rssi); 3296 printf(" status 0x%x rx_tstamp1 %u rx_tstamp0 0x%u rx_silence %u\n", 3297 le16toh(wh->wi_status), le16toh(wh->wi_rx_tstamp1), 3298 le16toh(wh->wi_rx_tstamp0), wh->wi_rx_silence); 3299 printf(" rx_signal %u rx_rate %u rx_flow %u\n", 3300 wh->wi_rx_signal, wh->wi_rx_rate, wh->wi_rx_flow); 3301 printf(" tx_rtry %u tx_rate %u tx_ctl 0x%x dat_len %u\n", 3302 wh->wi_tx_rtry, wh->wi_tx_rate, 3303 le16toh(wh->wi_tx_ctl), le16toh(wh->wi_dat_len)); 3304 printf(" ehdr dst %s src %s type 0x%x\n", 3305 ether_sprintf(wh->wi_ehdr.ether_dhost), 3306 ether_sprintf(wh->wi_ehdr.ether_shost), 3307 wh->wi_ehdr.ether_type); 3308 } 3309
Indexes created Wed Oct 15 16:09:53 GMT 2025