1 /*- 2 * Copyright (c) 1997, 1998, 1999 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: head/sys/dev/wi/if_wi.c 299083 2016-05-04 18:08:38Z avos $ 33 */ 34 35 /* 36 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver. 37 * 38 * Original FreeBSD driver written by Bill Paul <wpaul@ctr.columbia.edu> 39 * Electrical Engineering Department 40 * Columbia University, New York City 41 */ 42 43 /* 44 * The WaveLAN/IEEE adapter is the second generation of the WaveLAN 45 * from Lucent. Unlike the older cards, the new ones are programmed 46 * entirely via a firmware-driven controller called the Hermes. 47 * Unfortunately, Lucent will not release the Hermes programming manual 48 * without an NDA (if at all). What they do release is an API library 49 * called the HCF (Hardware Control Functions) which is supposed to 50 * do the device-specific operations of a device driver for you. The 51 * publicly available version of the HCF library (the 'HCF Light') is 52 * a) extremely gross, b) lacks certain features, particularly support 53 * for 802.11 frames, and c) is contaminated by the GNU Public License. 54 * 55 * This driver does not use the HCF or HCF Light at all. Instead, it 56 * programs the Hermes controller directly, using information gleaned 57 * from the HCF Light code and corresponding documentation. 58 * 59 * This driver supports the ISA, PCMCIA and PCI versions of the Lucent 60 * WaveLan cards (based on the Hermes chipset), as well as the newer 61 * Prism 2 chipsets with firmware from Intersil and Symbol. 62 */ 63 64 #include "opt_wlan.h" 65 66 #define WI_HERMES_STATS_WAR /* Work around stats counter bug. */ 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/endian.h> 71 #include <sys/sockio.h> 72 #include <sys/mbuf.h> 73 #include <sys/caps.h> 74 #include <sys/proc.h> 75 #include <sys/kernel.h> 76 #include <sys/malloc.h> 77 #include <sys/socket.h> 78 #include <sys/module.h> 79 #include <sys/bus.h> 80 #include <sys/random.h> 81 #include <sys/syslog.h> 82 #include <sys/sysctl.h> 83 84 #if !defined(__DragonFly__) 85 #include <machine/bus.h> 86 #include <machine/resource.h> 87 #endif 88 #include <machine/atomic.h> 89 #include <sys/rman.h> 90 91 #include <net/if.h> 92 #include <net/if_var.h> 93 #include <net/if_arp.h> 94 #include <net/ethernet.h> 95 #include <net/if_dl.h> 96 #include <net/if_llc.h> 97 #include <net/if_media.h> 98 #include <net/if_types.h> 99 100 #if defined(__DragonFly__) 101 #include <netproto/802_11/ieee80211_var.h> 102 #include <netproto/802_11/ieee80211_ioctl.h> 103 #include <netproto/802_11/ieee80211_radiotap.h> 104 #else 105 #include <net80211/ieee80211_var.h> 106 #include <net80211/ieee80211_ioctl.h> 107 #include <net80211/ieee80211_radiotap.h> 108 #endif 109 110 #include <netinet/in.h> 111 #include <netinet/in_systm.h> 112 #include <netinet/in_var.h> 113 #include <netinet/ip.h> 114 #include <netinet/if_ether.h> 115 116 #include <net/bpf.h> 117 118 #if defined(__DragonFly__) 119 #include "if_wavelan_ieee.h" 120 #include "if_wireg.h" 121 #include "if_wivar.h" 122 #else 123 #include <dev/wi/if_wavelan_ieee.h> 124 #include <dev/wi/if_wireg.h> 125 #include <dev/wi/if_wivar.h> 126 #endif 127 128 static struct ieee80211vap *wi_vap_create(struct ieee80211com *, 129 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 130 const uint8_t [IEEE80211_ADDR_LEN], 131 const uint8_t [IEEE80211_ADDR_LEN]); 132 static void wi_vap_delete(struct ieee80211vap *vap); 133 static int wi_transmit(struct ieee80211com *, struct mbuf *); 134 static void wi_start(struct wi_softc *); 135 static int wi_start_tx(struct wi_softc *, struct wi_frame *, struct mbuf *); 136 static int wi_raw_xmit(struct ieee80211_node *, struct mbuf *, 137 const struct ieee80211_bpf_params *); 138 static int wi_newstate_sta(struct ieee80211vap *, enum ieee80211_state, int); 139 static int wi_newstate_hostap(struct ieee80211vap *, enum ieee80211_state, 140 int); 141 static void wi_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, 142 int subtype, const struct ieee80211_rx_stats *rxs, 143 int rssi, int nf); 144 static int wi_reset(struct wi_softc *); 145 static void wi_watchdog(void *); 146 static void wi_parent(struct ieee80211com *); 147 static void wi_media_status(struct ifnet *, struct ifmediareq *); 148 static void wi_rx_intr(struct wi_softc *); 149 static void wi_tx_intr(struct wi_softc *); 150 static void wi_tx_ex_intr(struct wi_softc *); 151 152 static void wi_info_intr(struct wi_softc *); 153 154 static int wi_write_txrate(struct wi_softc *, struct ieee80211vap *); 155 static int wi_write_wep(struct wi_softc *, struct ieee80211vap *); 156 static int wi_write_multi(struct wi_softc *); 157 static void wi_update_mcast(struct ieee80211com *); 158 static void wi_update_promisc(struct ieee80211com *); 159 static int wi_alloc_fid(struct wi_softc *, int, int *); 160 static void wi_read_nicid(struct wi_softc *); 161 static int wi_write_ssid(struct wi_softc *, int, u_int8_t *, int); 162 163 static int wi_cmd(struct wi_softc *, int, int, int, int); 164 static int wi_seek_bap(struct wi_softc *, int, int); 165 static int wi_read_bap(struct wi_softc *, int, int, void *, int); 166 static int wi_write_bap(struct wi_softc *, int, int, const void *, int); 167 static int wi_mwrite_bap(struct wi_softc *, int, int, struct mbuf *, int); 168 static int wi_read_rid(struct wi_softc *, int, void *, int *); 169 static int wi_write_rid(struct wi_softc *, int, const void *, int); 170 static int wi_write_appie(struct wi_softc *, int, const struct ieee80211_appie *); 171 172 static void wi_scan_start(struct ieee80211com *); 173 static void wi_scan_end(struct ieee80211com *); 174 static void wi_set_channel(struct ieee80211com *); 175 176 static __inline int 177 wi_write_val(struct wi_softc *sc, int rid, u_int16_t val) 178 { 179 180 val = htole16(val); 181 return wi_write_rid(sc, rid, &val, sizeof(val)); 182 } 183 184 static SYSCTL_NODE(_hw, OID_AUTO, wi, CTLFLAG_RD, 0, 185 "Wireless driver parameters"); 186 187 static struct timeval lasttxerror; /* time of last tx error msg */ 188 static int curtxeps; /* current tx error msgs/sec */ 189 static int wi_txerate = 0; /* tx error rate: max msgs/sec */ 190 SYSCTL_INT(_hw_wi, OID_AUTO, txerate, CTLFLAG_RW, &wi_txerate, 191 0, "max tx error msgs/sec; 0 to disable msgs"); 192 193 #define WI_DEBUG 194 #ifdef WI_DEBUG 195 static int wi_debug = 0; 196 SYSCTL_INT(_hw_wi, OID_AUTO, debug, CTLFLAG_RW, &wi_debug, 197 0, "control debugging printfs"); 198 #define DPRINTF(X) if (wi_debug) kprintf X 199 #else 200 #define DPRINTF(X) 201 #endif 202 203 #define WI_INTRS (WI_EV_RX | WI_EV_ALLOC | WI_EV_INFO) 204 205 struct wi_card_ident wi_card_ident[] = { 206 /* CARD_ID CARD_NAME FIRM_TYPE */ 207 { WI_NIC_LUCENT_ID, WI_NIC_LUCENT_STR, WI_LUCENT }, 208 { WI_NIC_SONY_ID, WI_NIC_SONY_STR, WI_LUCENT }, 209 { WI_NIC_LUCENT_EMB_ID, WI_NIC_LUCENT_EMB_STR, WI_LUCENT }, 210 { WI_NIC_EVB2_ID, WI_NIC_EVB2_STR, WI_INTERSIL }, 211 { WI_NIC_HWB3763_ID, WI_NIC_HWB3763_STR, WI_INTERSIL }, 212 { WI_NIC_HWB3163_ID, WI_NIC_HWB3163_STR, WI_INTERSIL }, 213 { WI_NIC_HWB3163B_ID, WI_NIC_HWB3163B_STR, WI_INTERSIL }, 214 { WI_NIC_EVB3_ID, WI_NIC_EVB3_STR, WI_INTERSIL }, 215 { WI_NIC_HWB1153_ID, WI_NIC_HWB1153_STR, WI_INTERSIL }, 216 { WI_NIC_P2_SST_ID, WI_NIC_P2_SST_STR, WI_INTERSIL }, 217 { WI_NIC_EVB2_SST_ID, WI_NIC_EVB2_SST_STR, WI_INTERSIL }, 218 { WI_NIC_3842_EVA_ID, WI_NIC_3842_EVA_STR, WI_INTERSIL }, 219 { WI_NIC_3842_PCMCIA_AMD_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 220 { WI_NIC_3842_PCMCIA_SST_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 221 { WI_NIC_3842_PCMCIA_ATL_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 222 { WI_NIC_3842_PCMCIA_ATS_ID, WI_NIC_3842_PCMCIA_STR, WI_INTERSIL }, 223 { WI_NIC_3842_MINI_AMD_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 224 { WI_NIC_3842_MINI_SST_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 225 { WI_NIC_3842_MINI_ATL_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 226 { WI_NIC_3842_MINI_ATS_ID, WI_NIC_3842_MINI_STR, WI_INTERSIL }, 227 { WI_NIC_3842_PCI_AMD_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 228 { WI_NIC_3842_PCI_SST_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 229 { WI_NIC_3842_PCI_ATS_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 230 { WI_NIC_3842_PCI_ATL_ID, WI_NIC_3842_PCI_STR, WI_INTERSIL }, 231 { WI_NIC_P3_PCMCIA_AMD_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 232 { WI_NIC_P3_PCMCIA_SST_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 233 { WI_NIC_P3_PCMCIA_ATL_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 234 { WI_NIC_P3_PCMCIA_ATS_ID, WI_NIC_P3_PCMCIA_STR, WI_INTERSIL }, 235 { WI_NIC_P3_MINI_AMD_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 236 { WI_NIC_P3_MINI_SST_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 237 { WI_NIC_P3_MINI_ATL_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 238 { WI_NIC_P3_MINI_ATS_ID, WI_NIC_P3_MINI_STR, WI_INTERSIL }, 239 { 0, NULL, 0 }, 240 }; 241 242 static char *wi_firmware_names[] = { "none", "Hermes", "Intersil", "Symbol" }; 243 244 devclass_t wi_devclass; 245 246 int 247 wi_attach(device_t dev) 248 { 249 struct wi_softc *sc = device_get_softc(dev); 250 struct ieee80211com *ic = &sc->sc_ic; 251 int i, nrates, buflen; 252 u_int16_t val; 253 u_int8_t ratebuf[2 + IEEE80211_RATE_SIZE]; 254 struct ieee80211_rateset *rs; 255 struct sysctl_ctx_list *sctx; 256 struct sysctl_oid *soid; 257 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 258 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 259 }; 260 int error; 261 262 sc->sc_firmware_type = WI_NOTYPE; 263 sc->wi_cmd_count = 500; 264 /* Reset the NIC. */ 265 if (wi_reset(sc) != 0) { 266 wi_free(dev); 267 return ENXIO; /* XXX */ 268 } 269 270 /* Read NIC identification */ 271 wi_read_nicid(sc); 272 switch (sc->sc_firmware_type) { 273 case WI_LUCENT: 274 if (sc->sc_sta_firmware_ver < 60006) 275 goto reject; 276 break; 277 case WI_INTERSIL: 278 if (sc->sc_sta_firmware_ver < 800) 279 goto reject; 280 break; 281 default: 282 reject: 283 device_printf(dev, "Sorry, this card is not supported " 284 "(type %d, firmware ver %d)\n", 285 sc->sc_firmware_type, sc->sc_sta_firmware_ver); 286 wi_free(dev); 287 return EOPNOTSUPP; 288 } 289 290 /* Export info about the device via sysctl */ 291 sctx = device_get_sysctl_ctx(dev); 292 soid = device_get_sysctl_tree(dev); 293 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 294 "firmware_type", CTLFLAG_RD, 295 wi_firmware_names[sc->sc_firmware_type], 0, 296 "Firmware type string"); 297 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "sta_version", 298 CTLFLAG_RD, &sc->sc_sta_firmware_ver, 0, 299 "Station Firmware version"); 300 if (sc->sc_firmware_type == WI_INTERSIL) 301 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 302 "pri_version", CTLFLAG_RD, &sc->sc_pri_firmware_ver, 0, 303 "Primary Firmware version"); 304 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "nic_id", 305 CTLFLAG_RD, &sc->sc_nic_id, 0, "NIC id"); 306 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "nic_name", 307 CTLFLAG_RD, sc->sc_nic_name, 0, "NIC name"); 308 309 #if defined(__DragonFly__) 310 lockinit(&sc->sc_lk, device_get_nameunit(dev), 0, LK_CANRECURSE); 311 callout_init_lk(&sc->sc_watchdog, &sc->sc_lk); 312 #else 313 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 314 MTX_DEF | MTX_RECURSE); 315 callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0); 316 #endif 317 mbufq_init(&sc->sc_snd, ifqmaxlen); 318 319 /* 320 * Read the station address. 321 * And do it twice. I've seen PRISM-based cards that return 322 * an error when trying to read it the first time, which causes 323 * the probe to fail. 324 */ 325 buflen = IEEE80211_ADDR_LEN; 326 error = wi_read_rid(sc, WI_RID_MAC_NODE, &ic->ic_macaddr, &buflen); 327 if (error != 0) { 328 buflen = IEEE80211_ADDR_LEN; 329 error = wi_read_rid(sc, WI_RID_MAC_NODE, &ic->ic_macaddr, 330 &buflen); 331 } 332 if (error || IEEE80211_ADDR_EQ(&ic->ic_macaddr, empty_macaddr)) { 333 if (error != 0) 334 device_printf(dev, "mac read failed %d\n", error); 335 else { 336 device_printf(dev, "mac read failed (all zeros)\n"); 337 error = ENXIO; 338 } 339 wi_free(dev); 340 return (error); 341 } 342 343 ic->ic_softc = sc; 344 ic->ic_name = device_get_nameunit(dev); 345 ic->ic_phytype = IEEE80211_T_DS; 346 ic->ic_opmode = IEEE80211_M_STA; 347 ic->ic_caps = IEEE80211_C_STA 348 | IEEE80211_C_PMGT 349 | IEEE80211_C_MONITOR 350 ; 351 352 /* 353 * Query the card for available channels and setup the 354 * channel table. We assume these are all 11b channels. 355 */ 356 buflen = sizeof(val); 357 if (wi_read_rid(sc, WI_RID_CHANNEL_LIST, &val, &buflen) != 0) 358 val = htole16(0x1fff); /* assume 1-13 */ 359 KASSERT(val != 0, ("wi_attach: no available channels listed!")); 360 361 val <<= 1; /* shift for base 1 indices */ 362 for (i = 1; i < 16; i++) { 363 struct ieee80211_channel *c; 364 365 if (!isset((u_int8_t*)&val, i)) 366 continue; 367 c = &ic->ic_channels[ic->ic_nchans++]; 368 c->ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_B); 369 c->ic_flags = IEEE80211_CHAN_B; 370 c->ic_ieee = i; 371 /* XXX txpowers? */ 372 } 373 374 /* 375 * Set flags based on firmware version. 376 */ 377 switch (sc->sc_firmware_type) { 378 case WI_LUCENT: 379 sc->sc_ntxbuf = 1; 380 ic->ic_caps |= IEEE80211_C_IBSS; 381 382 sc->sc_ibss_port = WI_PORTTYPE_BSS; 383 sc->sc_monitor_port = WI_PORTTYPE_ADHOC; 384 sc->sc_min_rssi = WI_LUCENT_MIN_RSSI; 385 sc->sc_max_rssi = WI_LUCENT_MAX_RSSI; 386 sc->sc_dbm_offset = WI_LUCENT_DBM_OFFSET; 387 break; 388 case WI_INTERSIL: 389 sc->sc_ntxbuf = WI_NTXBUF; 390 sc->sc_flags |= WI_FLAGS_HAS_FRAGTHR 391 | WI_FLAGS_HAS_ROAMING; 392 /* 393 * Old firmware are slow, so give peace a chance. 394 */ 395 if (sc->sc_sta_firmware_ver < 10000) 396 sc->wi_cmd_count = 5000; 397 if (sc->sc_sta_firmware_ver > 10101) 398 sc->sc_flags |= WI_FLAGS_HAS_DBMADJUST; 399 ic->ic_caps |= IEEE80211_C_IBSS; 400 /* 401 * version 0.8.3 and newer are the only ones that are known 402 * to currently work. Earlier versions can be made to work, 403 * at least according to the Linux driver but we require 404 * monitor mode so this is irrelevant. 405 */ 406 ic->ic_caps |= IEEE80211_C_HOSTAP; 407 if (sc->sc_sta_firmware_ver >= 10603) 408 sc->sc_flags |= WI_FLAGS_HAS_ENHSECURITY; 409 if (sc->sc_sta_firmware_ver >= 10700) { 410 /* 411 * 1.7.0+ have the necessary support for sta mode WPA. 412 */ 413 sc->sc_flags |= WI_FLAGS_HAS_WPASUPPORT; 414 ic->ic_caps |= IEEE80211_C_WPA; 415 } 416 417 sc->sc_ibss_port = WI_PORTTYPE_IBSS; 418 sc->sc_monitor_port = WI_PORTTYPE_APSILENT; 419 sc->sc_min_rssi = WI_PRISM_MIN_RSSI; 420 sc->sc_max_rssi = WI_PRISM_MAX_RSSI; 421 sc->sc_dbm_offset = WI_PRISM_DBM_OFFSET; 422 break; 423 } 424 425 /* 426 * Find out if we support WEP on this card. 427 */ 428 buflen = sizeof(val); 429 if (wi_read_rid(sc, WI_RID_WEP_AVAIL, &val, &buflen) == 0 && 430 val != htole16(0)) 431 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP; 432 433 /* Find supported rates. */ 434 buflen = sizeof(ratebuf); 435 rs = &ic->ic_sup_rates[IEEE80211_MODE_11B]; 436 if (wi_read_rid(sc, WI_RID_DATA_RATES, ratebuf, &buflen) == 0) { 437 nrates = le16toh(*(u_int16_t *)ratebuf); 438 if (nrates > IEEE80211_RATE_MAXSIZE) 439 nrates = IEEE80211_RATE_MAXSIZE; 440 rs->rs_nrates = 0; 441 for (i = 0; i < nrates; i++) 442 if (ratebuf[2+i]) 443 rs->rs_rates[rs->rs_nrates++] = ratebuf[2+i]; 444 } else { 445 /* XXX fallback on error? */ 446 } 447 448 buflen = sizeof(val); 449 if ((sc->sc_flags & WI_FLAGS_HAS_DBMADJUST) && 450 wi_read_rid(sc, WI_RID_DBM_ADJUST, &val, &buflen) == 0) { 451 sc->sc_dbm_offset = le16toh(val); 452 } 453 454 sc->sc_portnum = WI_DEFAULT_PORT; 455 456 ieee80211_ifattach(ic); 457 ic->ic_raw_xmit = wi_raw_xmit; 458 ic->ic_scan_start = wi_scan_start; 459 ic->ic_scan_end = wi_scan_end; 460 ic->ic_set_channel = wi_set_channel; 461 ic->ic_vap_create = wi_vap_create; 462 ic->ic_vap_delete = wi_vap_delete; 463 ic->ic_update_mcast = wi_update_mcast; 464 ic->ic_update_promisc = wi_update_promisc; 465 ic->ic_transmit = wi_transmit; 466 ic->ic_parent = wi_parent; 467 468 ieee80211_radiotap_attach(ic, 469 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th), 470 WI_TX_RADIOTAP_PRESENT, 471 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th), 472 WI_RX_RADIOTAP_PRESENT); 473 474 if (bootverbose) 475 ieee80211_announce(ic); 476 477 #if defined(__DragonFly__) 478 error = bus_setup_intr(dev, sc->irq, INTR_MPSAFE, 479 wi_intr, sc, &sc->wi_intrhand, NULL); 480 #else 481 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 482 NULL, wi_intr, sc, &sc->wi_intrhand); 483 #endif 484 if (error) { 485 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error); 486 ieee80211_ifdetach(ic); 487 wi_free(dev); 488 return error; 489 } 490 491 return (0); 492 } 493 494 int 495 wi_detach(device_t dev) 496 { 497 struct wi_softc *sc = device_get_softc(dev); 498 struct ieee80211com *ic = &sc->sc_ic; 499 500 WI_LOCK(sc); 501 502 /* check if device was removed */ 503 sc->wi_gone |= !bus_child_present(dev); 504 505 wi_stop(sc, 0); 506 WI_UNLOCK(sc); 507 ieee80211_ifdetach(ic); 508 509 bus_teardown_intr(dev, sc->irq, sc->wi_intrhand); 510 wi_free(dev); 511 mbufq_drain(&sc->sc_snd); 512 #if defined(__DragonFly__) 513 lockuninit(&sc->sc_lk); 514 #else 515 mtx_destroy(&sc->sc_mtx); 516 #endif 517 return (0); 518 } 519 520 static struct ieee80211vap * 521 wi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 522 enum ieee80211_opmode opmode, int flags, 523 const uint8_t bssid[IEEE80211_ADDR_LEN], 524 const uint8_t mac[IEEE80211_ADDR_LEN]) 525 { 526 struct wi_softc *sc = ic->ic_softc; 527 struct wi_vap *wvp; 528 struct ieee80211vap *vap; 529 530 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 531 return NULL; 532 wvp = kmalloc(sizeof(struct wi_vap), M_80211_VAP, M_WAITOK | M_ZERO); 533 534 vap = &wvp->wv_vap; 535 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 536 537 vap->iv_max_aid = WI_MAX_AID; 538 539 switch (opmode) { 540 case IEEE80211_M_STA: 541 sc->sc_porttype = WI_PORTTYPE_BSS; 542 wvp->wv_newstate = vap->iv_newstate; 543 vap->iv_newstate = wi_newstate_sta; 544 /* need to filter mgt frames to avoid confusing state machine */ 545 wvp->wv_recv_mgmt = vap->iv_recv_mgmt; 546 vap->iv_recv_mgmt = wi_recv_mgmt; 547 break; 548 case IEEE80211_M_IBSS: 549 sc->sc_porttype = sc->sc_ibss_port; 550 wvp->wv_newstate = vap->iv_newstate; 551 vap->iv_newstate = wi_newstate_sta; 552 break; 553 case IEEE80211_M_AHDEMO: 554 sc->sc_porttype = WI_PORTTYPE_ADHOC; 555 break; 556 case IEEE80211_M_HOSTAP: 557 sc->sc_porttype = WI_PORTTYPE_HOSTAP; 558 wvp->wv_newstate = vap->iv_newstate; 559 vap->iv_newstate = wi_newstate_hostap; 560 break; 561 case IEEE80211_M_MONITOR: 562 sc->sc_porttype = sc->sc_monitor_port; 563 break; 564 default: 565 break; 566 } 567 568 /* complete setup */ 569 ieee80211_vap_attach(vap, ieee80211_media_change, wi_media_status, mac); 570 ic->ic_opmode = opmode; 571 return vap; 572 } 573 574 static void 575 wi_vap_delete(struct ieee80211vap *vap) 576 { 577 struct wi_vap *wvp = WI_VAP(vap); 578 579 ieee80211_vap_detach(vap); 580 kfree(wvp, M_80211_VAP); 581 } 582 583 int 584 wi_shutdown(device_t dev) 585 { 586 struct wi_softc *sc = device_get_softc(dev); 587 588 WI_LOCK(sc); 589 wi_stop(sc, 1); 590 WI_UNLOCK(sc); 591 return (0); 592 } 593 594 void 595 wi_intr(void *arg) 596 { 597 struct wi_softc *sc = arg; 598 u_int16_t status; 599 600 WI_LOCK(sc); 601 602 if (sc->wi_gone || !sc->sc_enabled || 603 (sc->sc_flags & WI_FLAGS_RUNNING) == 0) { 604 CSR_WRITE_2(sc, WI_INT_EN, 0); 605 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 606 WI_UNLOCK(sc); 607 return; 608 } 609 610 /* Disable interrupts. */ 611 CSR_WRITE_2(sc, WI_INT_EN, 0); 612 613 status = CSR_READ_2(sc, WI_EVENT_STAT); 614 if (status & WI_EV_RX) 615 wi_rx_intr(sc); 616 if (status & WI_EV_ALLOC) 617 wi_tx_intr(sc); 618 if (status & WI_EV_TX_EXC) 619 wi_tx_ex_intr(sc); 620 if (status & WI_EV_INFO) 621 wi_info_intr(sc); 622 if (mbufq_first(&sc->sc_snd) != NULL) 623 wi_start(sc); 624 625 /* Re-enable interrupts. */ 626 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 627 628 WI_UNLOCK(sc); 629 630 return; 631 } 632 633 static void 634 wi_enable(struct wi_softc *sc) 635 { 636 /* Enable interrupts */ 637 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 638 639 /* enable port */ 640 wi_cmd(sc, WI_CMD_ENABLE | sc->sc_portnum, 0, 0, 0); 641 sc->sc_enabled = 1; 642 } 643 644 static int 645 wi_setup_locked(struct wi_softc *sc, int porttype, int mode, 646 const uint8_t mac[IEEE80211_ADDR_LEN]) 647 { 648 int i; 649 650 wi_reset(sc); 651 652 wi_write_val(sc, WI_RID_PORTTYPE, porttype); 653 wi_write_val(sc, WI_RID_CREATE_IBSS, mode); 654 wi_write_val(sc, WI_RID_MAX_DATALEN, 2304); 655 /* XXX IEEE80211_BPF_NOACK wants 0 */ 656 wi_write_val(sc, WI_RID_ALT_RETRY_CNT, 2); 657 if (sc->sc_flags & WI_FLAGS_HAS_ROAMING) 658 wi_write_val(sc, WI_RID_ROAMING_MODE, 3); /* NB: disabled */ 659 660 wi_write_rid(sc, WI_RID_MAC_NODE, mac, IEEE80211_ADDR_LEN); 661 662 /* Allocate fids for the card */ 663 sc->sc_buflen = IEEE80211_MAX_LEN + sizeof(struct wi_frame); 664 for (i = 0; i < sc->sc_ntxbuf; i++) { 665 int error = wi_alloc_fid(sc, sc->sc_buflen, 666 &sc->sc_txd[i].d_fid); 667 if (error) { 668 device_printf(sc->sc_dev, 669 "tx buffer allocation failed (error %u)\n", 670 error); 671 return error; 672 } 673 sc->sc_txd[i].d_len = 0; 674 } 675 sc->sc_txcur = sc->sc_txnext = 0; 676 677 return 0; 678 } 679 680 void 681 wi_init(struct wi_softc *sc) 682 { 683 int wasenabled; 684 685 WI_LOCK_ASSERT(sc); 686 687 wasenabled = sc->sc_enabled; 688 if (wasenabled) 689 wi_stop(sc, 1); 690 691 if (wi_setup_locked(sc, sc->sc_porttype, 3, 692 sc->sc_ic.ic_macaddr) != 0) { 693 device_printf(sc->sc_dev, "interface not running\n"); 694 wi_stop(sc, 1); 695 return; 696 } 697 698 sc->sc_flags |= WI_FLAGS_RUNNING; 699 700 callout_reset(&sc->sc_watchdog, hz, wi_watchdog, sc); 701 702 wi_enable(sc); /* Enable desired port */ 703 } 704 705 void 706 wi_stop(struct wi_softc *sc, int disable) 707 { 708 709 WI_LOCK_ASSERT(sc); 710 711 if (sc->sc_enabled && !sc->wi_gone) { 712 CSR_WRITE_2(sc, WI_INT_EN, 0); 713 wi_cmd(sc, WI_CMD_DISABLE | sc->sc_portnum, 0, 0, 0); 714 if (disable) 715 sc->sc_enabled = 0; 716 } else if (sc->wi_gone && disable) /* gone --> not enabled */ 717 sc->sc_enabled = 0; 718 719 callout_stop(&sc->sc_watchdog); 720 sc->sc_tx_timer = 0; 721 sc->sc_false_syns = 0; 722 723 sc->sc_flags &= ~WI_FLAGS_RUNNING; 724 } 725 726 static void 727 wi_set_channel(struct ieee80211com *ic) 728 { 729 struct wi_softc *sc = ic->ic_softc; 730 731 DPRINTF(("%s: channel %d, %sscanning\n", __func__, 732 ieee80211_chan2ieee(ic, ic->ic_curchan), 733 ic->ic_flags & IEEE80211_F_SCAN ? "" : "!")); 734 735 WI_LOCK(sc); 736 wi_write_val(sc, WI_RID_OWN_CHNL, 737 ieee80211_chan2ieee(ic, ic->ic_curchan)); 738 WI_UNLOCK(sc); 739 } 740 741 static void 742 wi_scan_start(struct ieee80211com *ic) 743 { 744 struct wi_softc *sc = ic->ic_softc; 745 struct ieee80211_scan_state *ss = ic->ic_scan; 746 747 DPRINTF(("%s\n", __func__)); 748 749 WI_LOCK(sc); 750 /* 751 * Switch device to monitor mode. 752 */ 753 wi_write_val(sc, WI_RID_PORTTYPE, sc->sc_monitor_port); 754 if (sc->sc_firmware_type == WI_INTERSIL) { 755 wi_cmd(sc, WI_CMD_DISABLE | WI_PORT0, 0, 0, 0); 756 wi_cmd(sc, WI_CMD_ENABLE | WI_PORT0, 0, 0, 0); 757 } 758 /* force full dwell time to compensate for firmware overhead */ 759 ss->ss_mindwell = ss->ss_maxdwell = msecs_to_ticks(400); 760 WI_UNLOCK(sc); 761 762 } 763 764 static void 765 wi_scan_end(struct ieee80211com *ic) 766 { 767 struct wi_softc *sc = ic->ic_softc; 768 769 DPRINTF(("%s: restore port type %d\n", __func__, sc->sc_porttype)); 770 771 WI_LOCK(sc); 772 wi_write_val(sc, WI_RID_PORTTYPE, sc->sc_porttype); 773 if (sc->sc_firmware_type == WI_INTERSIL) { 774 wi_cmd(sc, WI_CMD_DISABLE | WI_PORT0, 0, 0, 0); 775 wi_cmd(sc, WI_CMD_ENABLE | WI_PORT0, 0, 0, 0); 776 } 777 WI_UNLOCK(sc); 778 } 779 780 static void 781 wi_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, 782 int subtype, const struct ieee80211_rx_stats *rxs, int rssi, int nf) 783 { 784 struct ieee80211vap *vap = ni->ni_vap; 785 786 switch (subtype) { 787 case IEEE80211_FC0_SUBTYPE_AUTH: 788 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 789 case IEEE80211_FC0_SUBTYPE_REASSOC_RESP: 790 /* NB: filter frames that trigger state changes */ 791 return; 792 } 793 WI_VAP(vap)->wv_recv_mgmt(ni, m, subtype, rxs, rssi, nf); 794 } 795 796 static int 797 wi_newstate_sta(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 798 { 799 struct ieee80211com *ic = vap->iv_ic; 800 struct ieee80211_node *bss; 801 struct wi_softc *sc = ic->ic_softc; 802 803 DPRINTF(("%s: %s -> %s\n", __func__, 804 ieee80211_state_name[vap->iv_state], 805 ieee80211_state_name[nstate])); 806 807 if (nstate == IEEE80211_S_AUTH) { 808 WI_LOCK(sc); 809 wi_setup_locked(sc, WI_PORTTYPE_BSS, 3, vap->iv_myaddr); 810 811 if (vap->iv_flags & IEEE80211_F_PMGTON) { 812 wi_write_val(sc, WI_RID_MAX_SLEEP, ic->ic_lintval); 813 wi_write_val(sc, WI_RID_PM_ENABLED, 1); 814 } 815 wi_write_val(sc, WI_RID_RTS_THRESH, vap->iv_rtsthreshold); 816 if (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR) 817 wi_write_val(sc, WI_RID_FRAG_THRESH, 818 vap->iv_fragthreshold); 819 wi_write_txrate(sc, vap); 820 821 bss = vap->iv_bss; 822 wi_write_ssid(sc, WI_RID_DESIRED_SSID, bss->ni_essid, bss->ni_esslen); 823 wi_write_val(sc, WI_RID_OWN_CHNL, 824 ieee80211_chan2ieee(ic, bss->ni_chan)); 825 826 /* Configure WEP. */ 827 if (ic->ic_cryptocaps & IEEE80211_CRYPTO_WEP) 828 wi_write_wep(sc, vap); 829 else 830 sc->sc_encryption = 0; 831 832 if ((sc->sc_flags & WI_FLAGS_HAS_WPASUPPORT) && 833 (vap->iv_flags & IEEE80211_F_WPA)) { 834 wi_write_val(sc, WI_RID_WPA_HANDLING, 1); 835 if (vap->iv_appie_wpa != NULL) 836 wi_write_appie(sc, WI_RID_WPA_DATA, 837 vap->iv_appie_wpa); 838 } 839 840 wi_enable(sc); /* enable port */ 841 842 /* Lucent firmware does not support the JOIN RID. */ 843 if (sc->sc_firmware_type == WI_INTERSIL) { 844 struct wi_joinreq join; 845 846 memset(&join, 0, sizeof(join)); 847 IEEE80211_ADDR_COPY(&join.wi_bssid, bss->ni_bssid); 848 join.wi_chan = htole16( 849 ieee80211_chan2ieee(ic, bss->ni_chan)); 850 wi_write_rid(sc, WI_RID_JOIN_REQ, &join, sizeof(join)); 851 } 852 WI_UNLOCK(sc); 853 854 /* 855 * NB: don't go through 802.11 layer, it'll send auth frame; 856 * instead we drive the state machine from the link status 857 * notification we get on association. 858 */ 859 vap->iv_state = nstate; 860 return (0); 861 } 862 return WI_VAP(vap)->wv_newstate(vap, nstate, arg); 863 } 864 865 static int 866 wi_newstate_hostap(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 867 { 868 struct ieee80211com *ic = vap->iv_ic; 869 struct ieee80211_node *bss; 870 struct wi_softc *sc = ic->ic_softc; 871 int error; 872 873 DPRINTF(("%s: %s -> %s\n", __func__, 874 ieee80211_state_name[vap->iv_state], 875 ieee80211_state_name[nstate])); 876 877 error = WI_VAP(vap)->wv_newstate(vap, nstate, arg); 878 if (error == 0 && nstate == IEEE80211_S_RUN) { 879 WI_LOCK(sc); 880 wi_setup_locked(sc, WI_PORTTYPE_HOSTAP, 0, vap->iv_myaddr); 881 882 bss = vap->iv_bss; 883 wi_write_ssid(sc, WI_RID_OWN_SSID, 884 bss->ni_essid, bss->ni_esslen); 885 wi_write_val(sc, WI_RID_OWN_CHNL, 886 ieee80211_chan2ieee(ic, bss->ni_chan)); 887 wi_write_val(sc, WI_RID_BASIC_RATE, 0x3); 888 wi_write_val(sc, WI_RID_SUPPORT_RATE, 0xf); 889 wi_write_txrate(sc, vap); 890 891 wi_write_val(sc, WI_RID_OWN_BEACON_INT, bss->ni_intval); 892 wi_write_val(sc, WI_RID_DTIM_PERIOD, vap->iv_dtim_period); 893 894 wi_write_val(sc, WI_RID_RTS_THRESH, vap->iv_rtsthreshold); 895 if (sc->sc_flags & WI_FLAGS_HAS_FRAGTHR) 896 wi_write_val(sc, WI_RID_FRAG_THRESH, 897 vap->iv_fragthreshold); 898 899 if ((sc->sc_flags & WI_FLAGS_HAS_ENHSECURITY) && 900 (vap->iv_flags & IEEE80211_F_HIDESSID)) { 901 /* 902 * bit 0 means hide SSID in beacons, 903 * bit 1 means don't respond to bcast probe req 904 */ 905 wi_write_val(sc, WI_RID_ENH_SECURITY, 0x3); 906 } 907 908 if ((sc->sc_flags & WI_FLAGS_HAS_WPASUPPORT) && 909 (vap->iv_flags & IEEE80211_F_WPA) && 910 vap->iv_appie_wpa != NULL) 911 wi_write_appie(sc, WI_RID_WPA_DATA, vap->iv_appie_wpa); 912 913 wi_write_val(sc, WI_RID_PROMISC, 0); 914 915 /* Configure WEP. */ 916 if (ic->ic_cryptocaps & IEEE80211_CRYPTO_WEP) 917 wi_write_wep(sc, vap); 918 else 919 sc->sc_encryption = 0; 920 921 wi_enable(sc); /* enable port */ 922 WI_UNLOCK(sc); 923 } 924 return error; 925 } 926 927 static int 928 wi_transmit(struct ieee80211com *ic, struct mbuf *m) 929 { 930 struct wi_softc *sc = ic->ic_softc; 931 int error; 932 933 WI_LOCK(sc); 934 if ((sc->sc_flags & WI_FLAGS_RUNNING) == 0) { 935 WI_UNLOCK(sc); 936 return (ENXIO); 937 } 938 error = mbufq_enqueue(&sc->sc_snd, m); 939 if (error) { 940 WI_UNLOCK(sc); 941 return (error); 942 } 943 wi_start(sc); 944 WI_UNLOCK(sc); 945 return (0); 946 } 947 948 static void 949 wi_start(struct wi_softc *sc) 950 { 951 struct ieee80211_node *ni; 952 struct ieee80211_frame *wh; 953 struct mbuf *m0; 954 struct ieee80211_key *k; 955 struct wi_frame frmhdr; 956 const struct llc *llc; 957 int cur; 958 959 WI_LOCK_ASSERT(sc); 960 961 if (sc->wi_gone) 962 return; 963 964 memset(&frmhdr, 0, sizeof(frmhdr)); 965 cur = sc->sc_txnext; 966 while (sc->sc_txd[cur].d_len == 0 && 967 (m0 = mbufq_dequeue(&sc->sc_snd)) != NULL) { 968 ni = (struct ieee80211_node *) m0->m_pkthdr.rcvif; 969 970 /* reconstruct 802.3 header */ 971 wh = mtod(m0, struct ieee80211_frame *); 972 switch (wh->i_fc[1]) { 973 case IEEE80211_FC1_DIR_TODS: 974 IEEE80211_ADDR_COPY(frmhdr.wi_ehdr.ether_shost, 975 wh->i_addr2); 976 IEEE80211_ADDR_COPY(frmhdr.wi_ehdr.ether_dhost, 977 wh->i_addr3); 978 break; 979 case IEEE80211_FC1_DIR_NODS: 980 IEEE80211_ADDR_COPY(frmhdr.wi_ehdr.ether_shost, 981 wh->i_addr2); 982 IEEE80211_ADDR_COPY(frmhdr.wi_ehdr.ether_dhost, 983 wh->i_addr1); 984 break; 985 case IEEE80211_FC1_DIR_FROMDS: 986 IEEE80211_ADDR_COPY(frmhdr.wi_ehdr.ether_shost, 987 wh->i_addr3); 988 IEEE80211_ADDR_COPY(frmhdr.wi_ehdr.ether_dhost, 989 wh->i_addr1); 990 break; 991 } 992 llc = (const struct llc *)( 993 mtod(m0, const uint8_t *) + ieee80211_hdrsize(wh)); 994 frmhdr.wi_ehdr.ether_type = llc->llc_snap.ether_type; 995 frmhdr.wi_tx_ctl = htole16(WI_ENC_TX_802_11|WI_TXCNTL_TX_EX); 996 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 997 k = ieee80211_crypto_encap(ni, m0); 998 if (k == NULL) { 999 ieee80211_free_node(ni); 1000 m_freem(m0); 1001 continue; 1002 } 1003 frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_NOCRYPT); 1004 } 1005 1006 if (ieee80211_radiotap_active_vap(ni->ni_vap)) { 1007 sc->sc_tx_th.wt_rate = ni->ni_txrate; 1008 ieee80211_radiotap_tx(ni->ni_vap, m0); 1009 } 1010 1011 m_copydata(m0, 0, sizeof(struct ieee80211_frame), 1012 (caddr_t)&frmhdr.wi_whdr); 1013 m_adj(m0, sizeof(struct ieee80211_frame)); 1014 frmhdr.wi_dat_len = htole16(m0->m_pkthdr.len); 1015 ieee80211_free_node(ni); 1016 if (wi_start_tx(sc, &frmhdr, m0)) 1017 continue; 1018 1019 sc->sc_txnext = cur = (cur + 1) % sc->sc_ntxbuf; 1020 } 1021 } 1022 1023 static int 1024 wi_start_tx(struct wi_softc *sc, struct wi_frame *frmhdr, struct mbuf *m0) 1025 { 1026 int cur = sc->sc_txnext; 1027 int fid, off, error; 1028 1029 fid = sc->sc_txd[cur].d_fid; 1030 off = sizeof(*frmhdr); 1031 error = wi_write_bap(sc, fid, 0, frmhdr, sizeof(*frmhdr)) != 0 1032 || wi_mwrite_bap(sc, fid, off, m0, m0->m_pkthdr.len) != 0; 1033 m_freem(m0); 1034 if (error) { 1035 #if defined(__DragonFly__) 1036 ++sc->sc_ic.ic_oerrors; 1037 #else 1038 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1039 #endif 1040 return -1; 1041 } 1042 sc->sc_txd[cur].d_len = off; 1043 if (sc->sc_txcur == cur) { 1044 if (wi_cmd(sc, WI_CMD_TX | WI_RECLAIM, fid, 0, 0)) { 1045 device_printf(sc->sc_dev, "xmit failed\n"); 1046 sc->sc_txd[cur].d_len = 0; 1047 return -1; 1048 } 1049 sc->sc_tx_timer = 5; 1050 } 1051 return 0; 1052 } 1053 1054 static int 1055 wi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m0, 1056 const struct ieee80211_bpf_params *params) 1057 { 1058 struct ieee80211com *ic = ni->ni_ic; 1059 struct ieee80211vap *vap = ni->ni_vap; 1060 struct wi_softc *sc = ic->ic_softc; 1061 struct ieee80211_key *k; 1062 struct ieee80211_frame *wh; 1063 struct wi_frame frmhdr; 1064 int cur; 1065 int rc = 0; 1066 1067 WI_LOCK(sc); 1068 1069 if (sc->wi_gone) { 1070 rc = ENETDOWN; 1071 goto out; 1072 } 1073 memset(&frmhdr, 0, sizeof(frmhdr)); 1074 cur = sc->sc_txnext; 1075 if (sc->sc_txd[cur].d_len != 0) { 1076 rc = ENOBUFS; 1077 goto out; 1078 } 1079 m0->m_pkthdr.rcvif = NULL; 1080 1081 m_copydata(m0, 4, ETHER_ADDR_LEN * 2, 1082 (caddr_t)&frmhdr.wi_ehdr); 1083 frmhdr.wi_ehdr.ether_type = 0; 1084 wh = mtod(m0, struct ieee80211_frame *); 1085 1086 frmhdr.wi_tx_ctl = htole16(WI_ENC_TX_802_11|WI_TXCNTL_TX_EX); 1087 if (params && (params->ibp_flags & IEEE80211_BPF_NOACK)) 1088 frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_ALTRTRY); 1089 if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) && 1090 (!params || (params->ibp_flags & IEEE80211_BPF_CRYPTO))) { 1091 k = ieee80211_crypto_encap(ni, m0); 1092 if (k == NULL) { 1093 rc = ENOMEM; 1094 goto out; 1095 } 1096 frmhdr.wi_tx_ctl |= htole16(WI_TXCNTL_NOCRYPT); 1097 } 1098 if (ieee80211_radiotap_active_vap(vap)) { 1099 sc->sc_tx_th.wt_rate = ni->ni_txrate; 1100 ieee80211_radiotap_tx(vap, m0); 1101 } 1102 m_copydata(m0, 0, sizeof(struct ieee80211_frame), 1103 (caddr_t)&frmhdr.wi_whdr); 1104 m_adj(m0, sizeof(struct ieee80211_frame)); 1105 frmhdr.wi_dat_len = htole16(m0->m_pkthdr.len); 1106 if (wi_start_tx(sc, &frmhdr, m0) < 0) { 1107 m0 = NULL; 1108 rc = EIO; 1109 goto out; 1110 } 1111 m0 = NULL; 1112 ieee80211_free_node(ni); 1113 1114 sc->sc_txnext = cur = (cur + 1) % sc->sc_ntxbuf; 1115 out: 1116 WI_UNLOCK(sc); 1117 1118 if (m0 != NULL) 1119 m_freem(m0); 1120 return rc; 1121 } 1122 1123 static int 1124 wi_reset(struct wi_softc *sc) 1125 { 1126 #define WI_INIT_TRIES 3 1127 int i, error = 0; 1128 1129 for (i = 0; i < WI_INIT_TRIES; i++) { 1130 error = wi_cmd(sc, WI_CMD_INI, 0, 0, 0); 1131 if (error == 0) 1132 break; 1133 DELAY(WI_DELAY * 1000); 1134 } 1135 sc->sc_reset = 1; 1136 if (i == WI_INIT_TRIES) { 1137 device_printf(sc->sc_dev, "reset failed\n"); 1138 return error; 1139 } 1140 1141 CSR_WRITE_2(sc, WI_INT_EN, 0); 1142 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 1143 1144 /* Calibrate timer. */ 1145 wi_write_val(sc, WI_RID_TICK_TIME, 8); 1146 1147 return 0; 1148 #undef WI_INIT_TRIES 1149 } 1150 1151 static void 1152 wi_watchdog(void *arg) 1153 { 1154 struct wi_softc *sc = arg; 1155 1156 WI_LOCK_ASSERT(sc); 1157 1158 if (!sc->sc_enabled) 1159 return; 1160 1161 if (sc->sc_tx_timer && --sc->sc_tx_timer == 0) { 1162 device_printf(sc->sc_dev, "device timeout\n"); 1163 #if defined(__DragonFly__) 1164 ++sc->sc_ic.ic_oerrors; 1165 #else 1166 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1167 #endif 1168 wi_init(sc); 1169 return; 1170 } 1171 callout_reset(&sc->sc_watchdog, hz, wi_watchdog, sc); 1172 } 1173 1174 static void 1175 wi_parent(struct ieee80211com *ic) 1176 { 1177 struct wi_softc *sc = ic->ic_softc; 1178 int startall = 0; 1179 1180 WI_LOCK(sc); 1181 /* 1182 * Can't do promisc and hostap at the same time. If all that's 1183 * changing is the promisc flag, try to short-circuit a call to 1184 * wi_init() by just setting PROMISC in the hardware. 1185 */ 1186 if (ic->ic_nrunning > 0) { 1187 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 1188 sc->sc_flags & WI_FLAGS_RUNNING) { 1189 if (ic->ic_promisc > 0 && 1190 (sc->sc_flags & WI_FLAGS_PROMISC) == 0) { 1191 wi_write_val(sc, WI_RID_PROMISC, 1); 1192 sc->sc_flags |= WI_FLAGS_PROMISC; 1193 } else if (ic->ic_promisc == 0 && 1194 (sc->sc_flags & WI_FLAGS_PROMISC) != 0) { 1195 wi_write_val(sc, WI_RID_PROMISC, 0); 1196 sc->sc_flags &= ~WI_FLAGS_PROMISC; 1197 } else { 1198 wi_init(sc); 1199 startall = 1; 1200 } 1201 } else { 1202 wi_init(sc); 1203 startall = 1; 1204 } 1205 } else if (sc->sc_flags & WI_FLAGS_RUNNING) { 1206 wi_stop(sc, 1); 1207 sc->wi_gone = 0; 1208 } 1209 WI_UNLOCK(sc); 1210 if (startall) 1211 ieee80211_start_all(ic); 1212 } 1213 1214 static void 1215 wi_media_status(struct ifnet *ifp, struct ifmediareq *imr) 1216 { 1217 struct ieee80211vap *vap = ifp->if_softc; 1218 struct ieee80211com *ic = vap->iv_ic; 1219 struct wi_softc *sc = ic->ic_softc; 1220 u_int16_t val; 1221 int rate, len; 1222 1223 len = sizeof(val); 1224 if (sc->sc_enabled && 1225 wi_read_rid(sc, WI_RID_CUR_TX_RATE, &val, &len) == 0 && 1226 len == sizeof(val)) { 1227 /* convert to 802.11 rate */ 1228 val = le16toh(val); 1229 rate = val * 2; 1230 if (sc->sc_firmware_type == WI_LUCENT) { 1231 if (rate == 10) 1232 rate = 11; /* 5.5Mbps */ 1233 } else { 1234 if (rate == 4*2) 1235 rate = 11; /* 5.5Mbps */ 1236 else if (rate == 8*2) 1237 rate = 22; /* 11Mbps */ 1238 } 1239 vap->iv_bss->ni_txrate = rate; 1240 } 1241 ieee80211_media_status(ifp, imr); 1242 } 1243 1244 static void 1245 wi_sync_bssid(struct wi_softc *sc, u_int8_t new_bssid[IEEE80211_ADDR_LEN]) 1246 { 1247 struct ieee80211com *ic = &sc->sc_ic; 1248 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1249 struct ieee80211_node *ni = vap->iv_bss; 1250 1251 if (IEEE80211_ADDR_EQ(new_bssid, ni->ni_bssid)) 1252 return; 1253 1254 DPRINTF(("wi_sync_bssid: bssid %s -> ", ether_sprintf(ni->ni_bssid))); 1255 DPRINTF(("%s ?\n", ether_sprintf(new_bssid))); 1256 1257 /* In promiscuous mode, the BSSID field is not a reliable 1258 * indicator of the firmware's BSSID. Damp spurious 1259 * change-of-BSSID indications. 1260 */ 1261 if (ic->ic_promisc > 0 && 1262 !ppsratecheck(&sc->sc_last_syn, &sc->sc_false_syns, 1263 WI_MAX_FALSE_SYNS)) 1264 return; 1265 1266 sc->sc_false_syns = MAX(0, sc->sc_false_syns - 1); 1267 #if 0 1268 /* 1269 * XXX hack; we should create a new node with the new bssid 1270 * and replace the existing ic_bss with it but since we don't 1271 * process management frames to collect state we cheat by 1272 * reusing the existing node as we know wi_newstate will be 1273 * called and it will overwrite the node state. 1274 */ 1275 ieee80211_sta_join(ic, ieee80211_ref_node(ni)); 1276 #endif 1277 } 1278 1279 static __noinline void 1280 wi_rx_intr(struct wi_softc *sc) 1281 { 1282 struct ieee80211com *ic = &sc->sc_ic; 1283 struct wi_frame frmhdr; 1284 struct mbuf *m; 1285 struct ieee80211_frame *wh; 1286 struct ieee80211_node *ni; 1287 int fid, len, off; 1288 u_int8_t dir; 1289 u_int16_t status; 1290 int8_t rssi, nf; 1291 1292 fid = CSR_READ_2(sc, WI_RX_FID); 1293 1294 /* First read in the frame header */ 1295 if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr))) { 1296 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1297 #if defined(__DragonFly__) 1298 ++sc->sc_ic.ic_ierrors; 1299 #else 1300 counter_u64_add(ic->ic_ierrors, 1); 1301 #endif 1302 DPRINTF(("wi_rx_intr: read fid %x failed\n", fid)); 1303 return; 1304 } 1305 1306 /* 1307 * Drop undecryptable or packets with receive errors here 1308 */ 1309 status = le16toh(frmhdr.wi_status); 1310 if (status & WI_STAT_ERRSTAT) { 1311 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1312 #if defined(__DragonFly__) 1313 ++sc->sc_ic.ic_ierrors; 1314 #else 1315 counter_u64_add(ic->ic_ierrors, 1); 1316 #endif 1317 DPRINTF(("wi_rx_intr: fid %x error status %x\n", fid, status)); 1318 return; 1319 } 1320 1321 len = le16toh(frmhdr.wi_dat_len); 1322 off = ALIGN(sizeof(struct ieee80211_frame)); 1323 1324 /* 1325 * Sometimes the PRISM2.x returns bogusly large frames. Except 1326 * in monitor mode, just throw them away. 1327 */ 1328 if (off + len > MCLBYTES) { 1329 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 1330 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1331 #if defined(__DragonFly__) 1332 ++sc->sc_ic.ic_ierrors; 1333 #else 1334 counter_u64_add(ic->ic_ierrors, 1); 1335 #endif 1336 DPRINTF(("wi_rx_intr: oversized packet\n")); 1337 return; 1338 } else 1339 len = 0; 1340 } 1341 1342 if (off + len > MHLEN) 1343 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1344 else 1345 m = m_gethdr(M_NOWAIT, MT_DATA); 1346 if (m == NULL) { 1347 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1348 #if defined(__DragonFly__) 1349 ++sc->sc_ic.ic_ierrors; 1350 #else 1351 counter_u64_add(ic->ic_ierrors, 1); 1352 #endif 1353 DPRINTF(("wi_rx_intr: MGET failed\n")); 1354 return; 1355 } 1356 m->m_data += off - sizeof(struct ieee80211_frame); 1357 memcpy(m->m_data, &frmhdr.wi_whdr, sizeof(struct ieee80211_frame)); 1358 wi_read_bap(sc, fid, sizeof(frmhdr), 1359 m->m_data + sizeof(struct ieee80211_frame), len); 1360 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame) + len; 1361 1362 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 1363 1364 rssi = frmhdr.wi_rx_signal; 1365 nf = frmhdr.wi_rx_silence; 1366 if (ieee80211_radiotap_active(ic)) { 1367 struct wi_rx_radiotap_header *tap = &sc->sc_rx_th; 1368 uint32_t rstamp; 1369 1370 rstamp = (le16toh(frmhdr.wi_rx_tstamp0) << 16) | 1371 le16toh(frmhdr.wi_rx_tstamp1); 1372 tap->wr_tsf = htole64((uint64_t)rstamp); 1373 /* XXX replace divide by table */ 1374 tap->wr_rate = frmhdr.wi_rx_rate / 5; 1375 tap->wr_flags = 0; 1376 if (frmhdr.wi_status & WI_STAT_PCF) 1377 tap->wr_flags |= IEEE80211_RADIOTAP_F_CFP; 1378 if (m->m_flags & M_WEP) 1379 tap->wr_flags |= IEEE80211_RADIOTAP_F_WEP; 1380 tap->wr_antsignal = rssi; 1381 tap->wr_antnoise = nf; 1382 } 1383 1384 /* synchronize driver's BSSID with firmware's BSSID */ 1385 wh = mtod(m, struct ieee80211_frame *); 1386 dir = wh->i_fc[1] & IEEE80211_FC1_DIR_MASK; 1387 if (ic->ic_opmode == IEEE80211_M_IBSS && dir == IEEE80211_FC1_DIR_NODS) 1388 wi_sync_bssid(sc, wh->i_addr3); 1389 1390 WI_UNLOCK(sc); 1391 1392 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 1393 if (ni != NULL) { 1394 (void) ieee80211_input(ni, m, rssi, nf); 1395 ieee80211_free_node(ni); 1396 } else 1397 (void) ieee80211_input_all(ic, m, rssi, nf); 1398 1399 WI_LOCK(sc); 1400 } 1401 1402 static __noinline void 1403 wi_tx_ex_intr(struct wi_softc *sc) 1404 { 1405 struct wi_frame frmhdr; 1406 int fid; 1407 1408 fid = CSR_READ_2(sc, WI_TX_CMP_FID); 1409 /* Read in the frame header */ 1410 if (wi_read_bap(sc, fid, 0, &frmhdr, sizeof(frmhdr)) == 0) { 1411 u_int16_t status = le16toh(frmhdr.wi_status); 1412 /* 1413 * Spontaneous station disconnects appear as xmit 1414 * errors. Don't announce them and/or count them 1415 * as an output error. 1416 */ 1417 if ((status & WI_TXSTAT_DISCONNECT) == 0) { 1418 if (ppsratecheck(&lasttxerror, &curtxeps, wi_txerate)) { 1419 device_printf(sc->sc_dev, "tx failed"); 1420 if (status & WI_TXSTAT_RET_ERR) 1421 kprintf(", retry limit exceeded"); 1422 if (status & WI_TXSTAT_AGED_ERR) 1423 kprintf(", max transmit lifetime exceeded"); 1424 if (status & WI_TXSTAT_DISCONNECT) 1425 kprintf(", port disconnected"); 1426 if (status & WI_TXSTAT_FORM_ERR) { 1427 #if defined(__DragonFly__) 1428 kprintf(", invalid format (data len %u src %s)", 1429 le16toh(frmhdr.wi_dat_len), 1430 ether_sprintf(frmhdr.wi_ehdr.ether_shost)); 1431 #else 1432 printf(", invalid format (data len %u src %6D)", 1433 le16toh(frmhdr.wi_dat_len), 1434 frmhdr.wi_ehdr.ether_shost, ":"); 1435 #endif 1436 } 1437 if (status & ~0xf) 1438 kprintf(", status=0x%x", status); 1439 kprintf("\n"); 1440 } 1441 #if defined(__DragonFly__) 1442 ++sc->sc_ic.ic_oerrors; 1443 #else 1444 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1445 #endif 1446 } else 1447 DPRINTF(("port disconnected\n")); 1448 } else 1449 DPRINTF(("wi_tx_ex_intr: read fid %x failed\n", fid)); 1450 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_TX_EXC); 1451 } 1452 1453 static __noinline void 1454 wi_tx_intr(struct wi_softc *sc) 1455 { 1456 int fid, cur; 1457 1458 if (sc->wi_gone) 1459 return; 1460 1461 fid = CSR_READ_2(sc, WI_ALLOC_FID); 1462 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 1463 1464 cur = sc->sc_txcur; 1465 if (sc->sc_txd[cur].d_fid != fid) { 1466 device_printf(sc->sc_dev, "bad alloc %x != %x, cur %d nxt %d\n", 1467 fid, sc->sc_txd[cur].d_fid, cur, sc->sc_txnext); 1468 return; 1469 } 1470 sc->sc_tx_timer = 0; 1471 sc->sc_txd[cur].d_len = 0; 1472 sc->sc_txcur = cur = (cur + 1) % sc->sc_ntxbuf; 1473 if (sc->sc_txd[cur].d_len != 0) { 1474 if (wi_cmd(sc, WI_CMD_TX | WI_RECLAIM, sc->sc_txd[cur].d_fid, 1475 0, 0)) { 1476 device_printf(sc->sc_dev, "xmit failed\n"); 1477 sc->sc_txd[cur].d_len = 0; 1478 } else { 1479 sc->sc_tx_timer = 5; 1480 } 1481 } 1482 } 1483 1484 static __noinline void 1485 wi_info_intr(struct wi_softc *sc) 1486 { 1487 struct ieee80211com *ic = &sc->sc_ic; 1488 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1489 int i, fid, len, off; 1490 u_int16_t ltbuf[2]; 1491 u_int16_t stat; 1492 u_int32_t *ptr; 1493 1494 fid = CSR_READ_2(sc, WI_INFO_FID); 1495 wi_read_bap(sc, fid, 0, ltbuf, sizeof(ltbuf)); 1496 1497 switch (le16toh(ltbuf[1])) { 1498 case WI_INFO_LINK_STAT: 1499 wi_read_bap(sc, fid, sizeof(ltbuf), &stat, sizeof(stat)); 1500 DPRINTF(("wi_info_intr: LINK_STAT 0x%x\n", le16toh(stat))); 1501 1502 if (vap == NULL) 1503 goto finish; 1504 1505 switch (le16toh(stat)) { 1506 case WI_INFO_LINK_STAT_CONNECTED: 1507 if (vap->iv_state == IEEE80211_S_RUN && 1508 vap->iv_opmode != IEEE80211_M_IBSS) 1509 break; 1510 /* fall thru... */ 1511 case WI_INFO_LINK_STAT_AP_CHG: 1512 IEEE80211_LOCK(ic); 1513 vap->iv_bss->ni_associd = 1 | 0xc000; /* NB: anything will do */ 1514 ieee80211_new_state(vap, IEEE80211_S_RUN, 0); 1515 IEEE80211_UNLOCK(ic); 1516 break; 1517 case WI_INFO_LINK_STAT_AP_INR: 1518 break; 1519 case WI_INFO_LINK_STAT_DISCONNECTED: 1520 /* we dropped off the net; e.g. due to deauth/disassoc */ 1521 IEEE80211_LOCK(ic); 1522 vap->iv_bss->ni_associd = 0; 1523 vap->iv_stats.is_rx_deauth++; 1524 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1525 IEEE80211_UNLOCK(ic); 1526 break; 1527 case WI_INFO_LINK_STAT_AP_OOR: 1528 /* XXX does this need to be per-vap? */ 1529 ieee80211_beacon_miss(ic); 1530 break; 1531 case WI_INFO_LINK_STAT_ASSOC_FAILED: 1532 if (vap->iv_opmode == IEEE80211_M_STA) 1533 ieee80211_new_state(vap, IEEE80211_S_SCAN, 1534 IEEE80211_SCAN_FAIL_TIMEOUT); 1535 break; 1536 } 1537 break; 1538 case WI_INFO_COUNTERS: 1539 /* some card versions have a larger stats structure */ 1540 len = min(le16toh(ltbuf[0]) - 1, sizeof(sc->sc_stats) / 4); 1541 ptr = (u_int32_t *)&sc->sc_stats; 1542 off = sizeof(ltbuf); 1543 for (i = 0; i < len; i++, off += 2, ptr++) { 1544 wi_read_bap(sc, fid, off, &stat, sizeof(stat)); 1545 #ifdef WI_HERMES_STATS_WAR 1546 if (stat & 0xf000) 1547 stat = ~stat; 1548 #endif 1549 *ptr += stat; 1550 } 1551 break; 1552 default: 1553 DPRINTF(("wi_info_intr: got fid %x type %x len %d\n", fid, 1554 le16toh(ltbuf[1]), le16toh(ltbuf[0]))); 1555 break; 1556 } 1557 finish: 1558 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_INFO); 1559 } 1560 1561 static int 1562 wi_write_multi(struct wi_softc *sc) 1563 { 1564 struct ieee80211com *ic = &sc->sc_ic; 1565 struct ieee80211vap *vap; 1566 struct wi_mcast mlist; 1567 int n; 1568 1569 if (ic->ic_allmulti > 0 || ic->ic_promisc > 0) { 1570 allmulti: 1571 memset(&mlist, 0, sizeof(mlist)); 1572 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist, 1573 sizeof(mlist)); 1574 } 1575 1576 n = 0; 1577 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1578 struct ifnet *ifp; 1579 struct ifmultiaddr *ifma; 1580 1581 ifp = vap->iv_ifp; 1582 #if defined(__DragonFly__) 1583 /* nothing */ 1584 #else 1585 if_maddr_rlock(ifp); 1586 #endif 1587 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1588 if (ifma->ifma_addr->sa_family != AF_LINK) 1589 continue; 1590 if (n >= 16) 1591 goto allmulti; 1592 IEEE80211_ADDR_COPY(&mlist.wi_mcast[n], 1593 (LLADDR((struct sockaddr_dl *)ifma->ifma_addr))); 1594 n++; 1595 } 1596 #if defined(__DragonFly__) 1597 /* nothing */ 1598 #else 1599 if_maddr_runlock(ifp); 1600 #endif 1601 } 1602 return wi_write_rid(sc, WI_RID_MCAST_LIST, &mlist, 1603 IEEE80211_ADDR_LEN * n); 1604 } 1605 1606 static void 1607 wi_update_mcast(struct ieee80211com *ic) 1608 { 1609 1610 wi_write_multi(ic->ic_softc); 1611 } 1612 1613 static void 1614 wi_update_promisc(struct ieee80211com *ic) 1615 { 1616 struct wi_softc *sc = ic->ic_softc; 1617 1618 WI_LOCK(sc); 1619 /* XXX handle WEP special case handling? */ 1620 wi_write_val(sc, WI_RID_PROMISC, 1621 (ic->ic_opmode == IEEE80211_M_MONITOR || 1622 (ic->ic_promisc > 0))); 1623 WI_UNLOCK(sc); 1624 } 1625 1626 static void 1627 wi_read_nicid(struct wi_softc *sc) 1628 { 1629 struct wi_card_ident *id; 1630 char *p; 1631 int len; 1632 u_int16_t ver[4]; 1633 1634 /* getting chip identity */ 1635 memset(ver, 0, sizeof(ver)); 1636 len = sizeof(ver); 1637 wi_read_rid(sc, WI_RID_CARD_ID, ver, &len); 1638 1639 sc->sc_firmware_type = WI_NOTYPE; 1640 sc->sc_nic_id = le16toh(ver[0]); 1641 for (id = wi_card_ident; id->card_name != NULL; id++) { 1642 if (sc->sc_nic_id == id->card_id) { 1643 sc->sc_nic_name = id->card_name; 1644 sc->sc_firmware_type = id->firm_type; 1645 break; 1646 } 1647 } 1648 if (sc->sc_firmware_type == WI_NOTYPE) { 1649 if (sc->sc_nic_id & 0x8000) { 1650 sc->sc_firmware_type = WI_INTERSIL; 1651 sc->sc_nic_name = "Unknown Prism chip"; 1652 } else { 1653 sc->sc_firmware_type = WI_LUCENT; 1654 sc->sc_nic_name = "Unknown Lucent chip"; 1655 } 1656 } 1657 if (bootverbose) 1658 device_printf(sc->sc_dev, "using %s\n", sc->sc_nic_name); 1659 1660 /* get primary firmware version (Only Prism chips) */ 1661 if (sc->sc_firmware_type != WI_LUCENT) { 1662 memset(ver, 0, sizeof(ver)); 1663 len = sizeof(ver); 1664 wi_read_rid(sc, WI_RID_PRI_IDENTITY, ver, &len); 1665 sc->sc_pri_firmware_ver = le16toh(ver[2]) * 10000 + 1666 le16toh(ver[3]) * 100 + le16toh(ver[1]); 1667 } 1668 1669 /* get station firmware version */ 1670 memset(ver, 0, sizeof(ver)); 1671 len = sizeof(ver); 1672 wi_read_rid(sc, WI_RID_STA_IDENTITY, ver, &len); 1673 sc->sc_sta_firmware_ver = le16toh(ver[2]) * 10000 + 1674 le16toh(ver[3]) * 100 + le16toh(ver[1]); 1675 if (sc->sc_firmware_type == WI_INTERSIL && 1676 (sc->sc_sta_firmware_ver == 10102 || 1677 sc->sc_sta_firmware_ver == 20102)) { 1678 char ident[12]; 1679 memset(ident, 0, sizeof(ident)); 1680 len = sizeof(ident); 1681 /* value should be the format like "V2.00-11" */ 1682 if (wi_read_rid(sc, WI_RID_SYMBOL_IDENTITY, ident, &len) == 0 && 1683 *(p = (char *)ident) >= 'A' && 1684 p[2] == '.' && p[5] == '-' && p[8] == '\0') { 1685 sc->sc_firmware_type = WI_SYMBOL; 1686 sc->sc_sta_firmware_ver = (p[1] - '0') * 10000 + 1687 (p[3] - '0') * 1000 + (p[4] - '0') * 100 + 1688 (p[6] - '0') * 10 + (p[7] - '0'); 1689 } 1690 } 1691 if (bootverbose) { 1692 device_printf(sc->sc_dev, "%s Firmware: ", 1693 wi_firmware_names[sc->sc_firmware_type]); 1694 if (sc->sc_firmware_type != WI_LUCENT) /* XXX */ 1695 kprintf("Primary (%u.%u.%u), ", 1696 sc->sc_pri_firmware_ver / 10000, 1697 (sc->sc_pri_firmware_ver % 10000) / 100, 1698 sc->sc_pri_firmware_ver % 100); 1699 kprintf("Station (%u.%u.%u)\n", 1700 sc->sc_sta_firmware_ver / 10000, 1701 (sc->sc_sta_firmware_ver % 10000) / 100, 1702 sc->sc_sta_firmware_ver % 100); 1703 } 1704 } 1705 1706 static int 1707 wi_write_ssid(struct wi_softc *sc, int rid, u_int8_t *buf, int buflen) 1708 { 1709 struct wi_ssid ssid; 1710 1711 if (buflen > IEEE80211_NWID_LEN) 1712 return ENOBUFS; 1713 memset(&ssid, 0, sizeof(ssid)); 1714 ssid.wi_len = htole16(buflen); 1715 memcpy(ssid.wi_ssid, buf, buflen); 1716 return wi_write_rid(sc, rid, &ssid, sizeof(ssid)); 1717 } 1718 1719 static int 1720 wi_write_txrate(struct wi_softc *sc, struct ieee80211vap *vap) 1721 { 1722 static const uint16_t lucent_rates[12] = { 1723 [ 0] = 3, /* auto */ 1724 [ 1] = 1, /* 1Mb/s */ 1725 [ 2] = 2, /* 2Mb/s */ 1726 [ 5] = 4, /* 5.5Mb/s */ 1727 [11] = 5 /* 11Mb/s */ 1728 }; 1729 static const uint16_t intersil_rates[12] = { 1730 [ 0] = 0xf, /* auto */ 1731 [ 1] = 0, /* 1Mb/s */ 1732 [ 2] = 1, /* 2Mb/s */ 1733 [ 5] = 2, /* 5.5Mb/s */ 1734 [11] = 3, /* 11Mb/s */ 1735 }; 1736 const uint16_t *rates = sc->sc_firmware_type == WI_LUCENT ? 1737 lucent_rates : intersil_rates; 1738 struct ieee80211com *ic = vap->iv_ic; 1739 const struct ieee80211_txparam *tp; 1740 1741 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)]; 1742 return wi_write_val(sc, WI_RID_TX_RATE, 1743 (tp->ucastrate == IEEE80211_FIXED_RATE_NONE ? 1744 rates[0] : rates[tp->ucastrate / 2])); 1745 } 1746 1747 static int 1748 wi_write_wep(struct wi_softc *sc, struct ieee80211vap *vap) 1749 { 1750 int error = 0; 1751 int i, keylen; 1752 u_int16_t val; 1753 struct wi_key wkey[IEEE80211_WEP_NKID]; 1754 1755 switch (sc->sc_firmware_type) { 1756 case WI_LUCENT: 1757 val = (vap->iv_flags & IEEE80211_F_PRIVACY) ? 1 : 0; 1758 error = wi_write_val(sc, WI_RID_ENCRYPTION, val); 1759 if (error) 1760 break; 1761 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 1762 break; 1763 error = wi_write_val(sc, WI_RID_TX_CRYPT_KEY, vap->iv_def_txkey); 1764 if (error) 1765 break; 1766 memset(wkey, 0, sizeof(wkey)); 1767 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1768 keylen = vap->iv_nw_keys[i].wk_keylen; 1769 wkey[i].wi_keylen = htole16(keylen); 1770 memcpy(wkey[i].wi_keydat, vap->iv_nw_keys[i].wk_key, 1771 keylen); 1772 } 1773 error = wi_write_rid(sc, WI_RID_DEFLT_CRYPT_KEYS, 1774 wkey, sizeof(wkey)); 1775 sc->sc_encryption = 0; 1776 break; 1777 1778 case WI_INTERSIL: 1779 val = HOST_ENCRYPT | HOST_DECRYPT; 1780 if (vap->iv_flags & IEEE80211_F_PRIVACY) { 1781 /* 1782 * ONLY HWB3163 EVAL-CARD Firmware version 1783 * less than 0.8 variant2 1784 * 1785 * If promiscuous mode disable, Prism2 chip 1786 * does not work with WEP . 1787 * It is under investigation for details. 1788 * (ichiro@netbsd.org) 1789 */ 1790 if (sc->sc_sta_firmware_ver < 802 ) { 1791 /* firm ver < 0.8 variant 2 */ 1792 wi_write_val(sc, WI_RID_PROMISC, 1); 1793 } 1794 wi_write_val(sc, WI_RID_CNFAUTHMODE, 1795 vap->iv_bss->ni_authmode); 1796 val |= PRIVACY_INVOKED; 1797 } else { 1798 wi_write_val(sc, WI_RID_CNFAUTHMODE, IEEE80211_AUTH_OPEN); 1799 } 1800 error = wi_write_val(sc, WI_RID_P2_ENCRYPTION, val); 1801 if (error) 1802 break; 1803 sc->sc_encryption = val; 1804 if ((val & PRIVACY_INVOKED) == 0) 1805 break; 1806 error = wi_write_val(sc, WI_RID_P2_TX_CRYPT_KEY, vap->iv_def_txkey); 1807 break; 1808 } 1809 return error; 1810 } 1811 1812 static int 1813 wi_cmd(struct wi_softc *sc, int cmd, int val0, int val1, int val2) 1814 { 1815 int i, s = 0; 1816 1817 if (sc->wi_gone) 1818 return (ENODEV); 1819 1820 /* wait for the busy bit to clear */ 1821 for (i = sc->wi_cmd_count; i > 0; i--) { /* 500ms */ 1822 if (!(CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY)) 1823 break; 1824 DELAY(1*1000); /* 1ms */ 1825 } 1826 if (i == 0) { 1827 device_printf(sc->sc_dev, "%s: busy bit won't clear, cmd 0x%x\n", 1828 __func__, cmd); 1829 sc->wi_gone = 1; 1830 return(ETIMEDOUT); 1831 } 1832 1833 CSR_WRITE_2(sc, WI_PARAM0, val0); 1834 CSR_WRITE_2(sc, WI_PARAM1, val1); 1835 CSR_WRITE_2(sc, WI_PARAM2, val2); 1836 CSR_WRITE_2(sc, WI_COMMAND, cmd); 1837 1838 if (cmd == WI_CMD_INI) { 1839 /* XXX: should sleep here. */ 1840 DELAY(100*1000); /* 100ms delay for init */ 1841 } 1842 for (i = 0; i < WI_TIMEOUT; i++) { 1843 /* 1844 * Wait for 'command complete' bit to be 1845 * set in the event status register. 1846 */ 1847 s = CSR_READ_2(sc, WI_EVENT_STAT); 1848 if (s & WI_EV_CMD) { 1849 /* Ack the event and read result code. */ 1850 s = CSR_READ_2(sc, WI_STATUS); 1851 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD); 1852 if (s & WI_STAT_CMD_RESULT) { 1853 return(EIO); 1854 } 1855 break; 1856 } 1857 DELAY(WI_DELAY); 1858 } 1859 1860 if (i == WI_TIMEOUT) { 1861 device_printf(sc->sc_dev, "%s: timeout on cmd 0x%04x; " 1862 "event status 0x%04x\n", __func__, cmd, s); 1863 if (s == 0xffff) 1864 sc->wi_gone = 1; 1865 return(ETIMEDOUT); 1866 } 1867 return (0); 1868 } 1869 1870 static int 1871 wi_seek_bap(struct wi_softc *sc, int id, int off) 1872 { 1873 int i, status; 1874 1875 CSR_WRITE_2(sc, WI_SEL0, id); 1876 CSR_WRITE_2(sc, WI_OFF0, off); 1877 1878 for (i = 0; ; i++) { 1879 status = CSR_READ_2(sc, WI_OFF0); 1880 if ((status & WI_OFF_BUSY) == 0) 1881 break; 1882 if (i == WI_TIMEOUT) { 1883 device_printf(sc->sc_dev, "%s: timeout, id %x off %x\n", 1884 __func__, id, off); 1885 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 1886 if (status == 0xffff) 1887 sc->wi_gone = 1; 1888 return ETIMEDOUT; 1889 } 1890 DELAY(1); 1891 } 1892 if (status & WI_OFF_ERR) { 1893 device_printf(sc->sc_dev, "%s: error, id %x off %x\n", 1894 __func__, id, off); 1895 sc->sc_bap_off = WI_OFF_ERR; /* invalidate */ 1896 return EIO; 1897 } 1898 sc->sc_bap_id = id; 1899 sc->sc_bap_off = off; 1900 return 0; 1901 } 1902 1903 static int 1904 wi_read_bap(struct wi_softc *sc, int id, int off, void *buf, int buflen) 1905 { 1906 int error, cnt; 1907 1908 if (buflen == 0) 1909 return 0; 1910 if (id != sc->sc_bap_id || off != sc->sc_bap_off) { 1911 if ((error = wi_seek_bap(sc, id, off)) != 0) 1912 return error; 1913 } 1914 cnt = (buflen + 1) / 2; 1915 CSR_READ_MULTI_STREAM_2(sc, WI_DATA0, (u_int16_t *)buf, cnt); 1916 sc->sc_bap_off += cnt * 2; 1917 return 0; 1918 } 1919 1920 static int 1921 wi_write_bap(struct wi_softc *sc, int id, int off, const void *buf, int buflen) 1922 { 1923 int error, cnt; 1924 1925 if (buflen == 0) 1926 return 0; 1927 1928 if (id != sc->sc_bap_id || off != sc->sc_bap_off) { 1929 if ((error = wi_seek_bap(sc, id, off)) != 0) 1930 return error; 1931 } 1932 cnt = (buflen + 1) / 2; 1933 CSR_WRITE_MULTI_STREAM_2(sc, WI_DATA0, (const uint16_t *)buf, cnt); 1934 sc->sc_bap_off += cnt * 2; 1935 1936 return 0; 1937 } 1938 1939 static int 1940 wi_mwrite_bap(struct wi_softc *sc, int id, int off, struct mbuf *m0, int totlen) 1941 { 1942 int error, len; 1943 struct mbuf *m; 1944 1945 for (m = m0; m != NULL && totlen > 0; m = m->m_next) { 1946 if (m->m_len == 0) 1947 continue; 1948 1949 len = min(m->m_len, totlen); 1950 1951 if (((u_long)m->m_data) % 2 != 0 || len % 2 != 0) { 1952 m_copydata(m, 0, totlen, (caddr_t)&sc->sc_txbuf); 1953 return wi_write_bap(sc, id, off, (caddr_t)&sc->sc_txbuf, 1954 totlen); 1955 } 1956 1957 if ((error = wi_write_bap(sc, id, off, m->m_data, len)) != 0) 1958 return error; 1959 1960 off += m->m_len; 1961 totlen -= len; 1962 } 1963 return 0; 1964 } 1965 1966 static int 1967 wi_alloc_fid(struct wi_softc *sc, int len, int *idp) 1968 { 1969 int i; 1970 1971 if (wi_cmd(sc, WI_CMD_ALLOC_MEM, len, 0, 0)) { 1972 device_printf(sc->sc_dev, "%s: failed to allocate %d bytes on NIC\n", 1973 __func__, len); 1974 return ENOMEM; 1975 } 1976 1977 for (i = 0; i < WI_TIMEOUT; i++) { 1978 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_ALLOC) 1979 break; 1980 DELAY(1); 1981 } 1982 if (i == WI_TIMEOUT) { 1983 device_printf(sc->sc_dev, "%s: timeout in alloc\n", __func__); 1984 return ETIMEDOUT; 1985 } 1986 *idp = CSR_READ_2(sc, WI_ALLOC_FID); 1987 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 1988 return 0; 1989 } 1990 1991 static int 1992 wi_read_rid(struct wi_softc *sc, int rid, void *buf, int *buflenp) 1993 { 1994 int error, len; 1995 u_int16_t ltbuf[2]; 1996 1997 /* Tell the NIC to enter record read mode. */ 1998 error = wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_READ, rid, 0, 0); 1999 if (error) 2000 return error; 2001 2002 error = wi_read_bap(sc, rid, 0, ltbuf, sizeof(ltbuf)); 2003 if (error) 2004 return error; 2005 2006 if (le16toh(ltbuf[1]) != rid) { 2007 device_printf(sc->sc_dev, "record read mismatch, rid=%x, got=%x\n", 2008 rid, le16toh(ltbuf[1])); 2009 return EIO; 2010 } 2011 len = (le16toh(ltbuf[0]) - 1) * 2; /* already got rid */ 2012 if (*buflenp < len) { 2013 device_printf(sc->sc_dev, "record buffer is too small, " 2014 "rid=%x, size=%d, len=%d\n", 2015 rid, *buflenp, len); 2016 return ENOSPC; 2017 } 2018 *buflenp = len; 2019 return wi_read_bap(sc, rid, sizeof(ltbuf), buf, len); 2020 } 2021 2022 static int 2023 wi_write_rid(struct wi_softc *sc, int rid, const void *buf, int buflen) 2024 { 2025 int error; 2026 u_int16_t ltbuf[2]; 2027 2028 ltbuf[0] = htole16((buflen + 1) / 2 + 1); /* includes rid */ 2029 ltbuf[1] = htole16(rid); 2030 2031 error = wi_write_bap(sc, rid, 0, ltbuf, sizeof(ltbuf)); 2032 if (error) { 2033 device_printf(sc->sc_dev, "%s: bap0 write failure, rid 0x%x\n", 2034 __func__, rid); 2035 return error; 2036 } 2037 error = wi_write_bap(sc, rid, sizeof(ltbuf), buf, buflen); 2038 if (error) { 2039 device_printf(sc->sc_dev, "%s: bap1 write failure, rid 0x%x\n", 2040 __func__, rid); 2041 return error; 2042 } 2043 2044 return wi_cmd(sc, WI_CMD_ACCESS | WI_ACCESS_WRITE, rid, 0, 0); 2045 } 2046 2047 static int 2048 wi_write_appie(struct wi_softc *sc, int rid, const struct ieee80211_appie *ie) 2049 { 2050 /* NB: 42 bytes is probably ok to have on the stack */ 2051 char buf[sizeof(uint16_t) + 40]; 2052 2053 if (ie->ie_len > 40) 2054 return EINVAL; 2055 /* NB: firmware requires 16-bit ie length before ie data */ 2056 *(uint16_t *) buf = htole16(ie->ie_len); 2057 memcpy(buf + sizeof(uint16_t), ie->ie_data, ie->ie_len); 2058 return wi_write_rid(sc, rid, buf, ie->ie_len + sizeof(uint16_t)); 2059 } 2060 2061 int 2062 wi_alloc(device_t dev, int rid) 2063 { 2064 struct wi_softc *sc = device_get_softc(dev); 2065 2066 if (sc->wi_bus_type != WI_BUS_PCI_NATIVE) { 2067 sc->iobase_rid = rid; 2068 #if defined(__DragonFly__) 2069 sc->iobase = bus_alloc_resource(dev, SYS_RES_IOPORT, 2070 &sc->iobase_rid, 0, ~0, (1 << 6), 2071 rman_make_alignment_flags(1 << 6) | RF_ACTIVE); 2072 #else 2073 sc->iobase = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 2074 &sc->iobase_rid, (1 << 6), 2075 rman_make_alignment_flags(1 << 6) | RF_ACTIVE); 2076 #endif 2077 if (sc->iobase == NULL) { 2078 device_printf(dev, "No I/O space?!\n"); 2079 return ENXIO; 2080 } 2081 2082 sc->wi_io_addr = rman_get_start(sc->iobase); 2083 sc->wi_btag = rman_get_bustag(sc->iobase); 2084 sc->wi_bhandle = rman_get_bushandle(sc->iobase); 2085 } else { 2086 sc->mem_rid = rid; 2087 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 2088 &sc->mem_rid, RF_ACTIVE); 2089 if (sc->mem == NULL) { 2090 device_printf(dev, "No Mem space on prism2.5?\n"); 2091 return ENXIO; 2092 } 2093 2094 sc->wi_btag = rman_get_bustag(sc->mem); 2095 sc->wi_bhandle = rman_get_bushandle(sc->mem); 2096 } 2097 2098 sc->irq_rid = 0; 2099 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 2100 RF_ACTIVE | 2101 ((sc->wi_bus_type == WI_BUS_PCCARD) ? 0 : RF_SHAREABLE)); 2102 if (sc->irq == NULL) { 2103 wi_free(dev); 2104 device_printf(dev, "No irq?!\n"); 2105 return ENXIO; 2106 } 2107 2108 sc->sc_dev = dev; 2109 sc->sc_unit = device_get_unit(dev); 2110 return 0; 2111 } 2112 2113 void 2114 wi_free(device_t dev) 2115 { 2116 struct wi_softc *sc = device_get_softc(dev); 2117 2118 if (sc->iobase != NULL) { 2119 bus_release_resource(dev, SYS_RES_IOPORT, sc->iobase_rid, sc->iobase); 2120 sc->iobase = NULL; 2121 } 2122 if (sc->irq != NULL) { 2123 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); 2124 sc->irq = NULL; 2125 } 2126 if (sc->mem != NULL) { 2127 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem); 2128 sc->mem = NULL; 2129 } 2130 } 2131