wi.c revision 1.1
1 /* $NetBSD: wi.c,v 1.1 2001/05/06 03:26:39 ichiro Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998, 1999 5 * Bill Paul <wpaul (at) ctr.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for NetBSD. 37 * 38 * Original FreeBSD driver written by Bill Paul <wpaul (at) ctr.columbia.edu> 39 * Electrical Engineering Department 40 * Columbia University, New York City 41 */ 42 43 /* 44 * The WaveLAN/IEEE adapter is the second generation of the WaveLAN 45 * from Lucent. Unlike the older cards, the new ones are programmed 46 * entirely via a firmware-driven controller called the Hermes. 47 * Unfortunately, Lucent will not release the Hermes programming manual 48 * without an NDA (if at all). What they do release is an API library 49 * called the HCF (Hardware Control Functions) which is supposed to 50 * do the device-specific operations of a device driver for you. The 51 * publically available version of the HCF library (the 'HCF Light') is 52 * a) extremely gross, b) lacks certain features, particularly support 53 * for 802.11 frames, and c) is contaminated by the GNU Public License. 54 * 55 * This driver does not use the HCF or HCF Light at all. Instead, it 56 * programs the Hermes controller directly, using information gleaned 57 * from the HCF Light code and corresponding documentation. 58 * 59 * This driver supports both the PCMCIA and ISA versions of the 60 * WaveLAN/IEEE cards. Note however that the ISA card isn't really 61 * anything of the sort: it's actually a PCMCIA bridge adapter 62 * that fits into an ISA slot, into which a PCMCIA WaveLAN card is 63 * inserted. Consequently, you need to use the pccard support for 64 * both the ISA and PCMCIA adapters. 65 */ 66 67 /* 68 * FreeBSD driver ported to NetBSD by Bill Sommerfeld in the back of the 69 * Oslo IETF plenary meeting. 70 */ 71 72 #define WI_HERMES_AUTOINC_WAR /* Work around data write autoinc bug. */ 73 #define WI_HERMES_STATS_WAR /* Work around stats counter bug. */ 74 75 #include "opt_inet.h" 76 #include "bpfilter.h" 77 78 #include <sys/param.h> 79 #include <sys/systm.h> 80 #include <sys/callout.h> 81 #include <sys/device.h> 82 #include <sys/socket.h> 83 #include <sys/mbuf.h> 84 #include <sys/ioctl.h> 85 #include <sys/kernel.h> /* for hz */ 86 #include <sys/proc.h> 87 88 #include <net/if.h> 89 #include <net/if_dl.h> 90 #include <net/if_media.h> 91 #include <net/if_ether.h> 92 #include <net/if_ieee80211.h> 93 94 #ifdef INET 95 #include <netinet/in.h> 96 #include <netinet/in_systm.h> 97 #include <netinet/in_var.h> 98 #include <netinet/ip.h> 99 #include <netinet/if_inarp.h> 100 #endif 101 102 #if NBPFILTER > 0 103 #include <net/bpf.h> 104 #include <net/bpfdesc.h> 105 #endif 106 107 #include <dev/pcmcia/pcmciareg.h> 108 #include <dev/pcmcia/pcmciavar.h> 109 #include <dev/pcmcia/pcmciadevs.h> 110 111 #include <dev/ic/wi_ieee.h> 112 #include <dev/ic/wireg.h> 113 #include <dev/ic/wivar.h> 114 115 static void wi_reset __P((struct wi_softc *)); 116 static int wi_ioctl __P((struct ifnet *, u_long, caddr_t)); 117 static void wi_start __P((struct ifnet *)); 118 static void wi_watchdog __P((struct ifnet *)); 119 static int wi_init __P((struct ifnet *)); 120 static void wi_stop __P((struct ifnet *, int)); 121 static void wi_rxeof __P((struct wi_softc *)); 122 static void wi_txeof __P((struct wi_softc *, int)); 123 static void wi_update_stats __P((struct wi_softc *)); 124 static void wi_setmulti __P((struct wi_softc *)); 125 126 static int wi_cmd __P((struct wi_softc *, int, int)); 127 static int wi_read_record __P((struct wi_softc *, struct wi_ltv_gen *)); 128 static int wi_write_record __P((struct wi_softc *, struct wi_ltv_gen *)); 129 static int wi_read_data __P((struct wi_softc *, int, 130 int, caddr_t, int)); 131 static int wi_write_data __P((struct wi_softc *, int, 132 int, caddr_t, int)); 133 static int wi_seek __P((struct wi_softc *, int, int, int)); 134 static int wi_alloc_nicmem __P((struct wi_softc *, int, int *)); 135 static void wi_inquire __P((void *)); 136 static int wi_setdef __P((struct wi_softc *, struct wi_req *)); 137 static int wi_getdef __P((struct wi_softc *, struct wi_req *)); 138 static int wi_mgmt_xmit __P((struct wi_softc *, caddr_t, int)); 139 140 static int wi_media_change __P((struct ifnet *)); 141 static void wi_media_status __P((struct ifnet *, struct ifmediareq *)); 142 143 static int wi_set_ssid __P((struct ieee80211_nwid *, u_int8_t *, int)); 144 static void wi_request_fill_ssid __P((struct wi_req *, 145 struct ieee80211_nwid *)); 146 static int wi_write_ssid __P((struct wi_softc *, int, struct wi_req *, 147 struct ieee80211_nwid *)); 148 static int wi_set_nwkey __P((struct wi_softc *, struct ieee80211_nwkey *)); 149 static int wi_get_nwkey __P((struct wi_softc *, struct ieee80211_nwkey *)); 150 static int wi_sync_media __P((struct wi_softc *, int, int)); 151 static int wi_set_pm(struct wi_softc *, struct ieee80211_power *); 152 static int wi_get_pm(struct wi_softc *, struct ieee80211_power *); 153 154 int 155 wi_attach(sc) 156 struct wi_softc *sc; 157 { 158 struct ifnet *ifp = sc->sc_ifp; 159 struct wi_ltv_macaddr mac; 160 struct wi_ltv_gen gen; 161 static const u_int8_t empty_macaddr[ETHER_ADDR_LEN] = { 162 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 163 }; 164 int s; 165 166 s = splnet(); 167 168 callout_init(&sc->wi_inquire_ch); 169 170 /* Make sure interrupts are disabled. */ 171 CSR_WRITE_2(sc, WI_INT_EN, 0); 172 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 173 174 /* Reset the NIC. */ 175 wi_reset(sc); 176 177 memset(&mac, 0, sizeof(mac)); 178 /* Read the station address. */ 179 mac.wi_type = WI_RID_MAC_NODE; 180 mac.wi_len = 4; 181 wi_read_record(sc, (struct wi_ltv_gen *)&mac); 182 memcpy(sc->sc_macaddr, mac.wi_mac_addr, ETHER_ADDR_LEN); 183 184 /* 185 * Check if we got anything meaningful. 186 * 187 * Is it really enough just checking against null ethernet address? 188 * Or, check against possible vendor? XXX. 189 */ 190 if (bcmp(sc->sc_macaddr, empty_macaddr, ETHER_ADDR_LEN) == 0) { 191 printf("%s: could not get mac address, attach failed\n", 192 sc->sc_dev.dv_xname); 193 return 1; 194 } 195 196 printf(" 802.11 address %s\n", ether_sprintf(sc->sc_macaddr)); 197 198 memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ); 199 ifp->if_softc = sc; 200 ifp->if_start = wi_start; 201 ifp->if_ioctl = wi_ioctl; 202 ifp->if_watchdog = wi_watchdog; 203 ifp->if_init = wi_init; 204 ifp->if_stop = wi_stop; 205 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 206 #ifdef IFF_NOTRAILERS 207 ifp->if_flags |= IFF_NOTRAILERS; 208 #endif 209 IFQ_SET_READY(&ifp->if_snd); 210 211 (void)wi_set_ssid(&sc->wi_nodeid, WI_DEFAULT_NODENAME, 212 sizeof(WI_DEFAULT_NODENAME) - 1); 213 (void)wi_set_ssid(&sc->wi_netid, WI_DEFAULT_NETNAME, 214 sizeof(WI_DEFAULT_NETNAME) - 1); 215 (void)wi_set_ssid(&sc->wi_ibssid, WI_DEFAULT_IBSS, 216 sizeof(WI_DEFAULT_IBSS) - 1); 217 218 sc->wi_portnum = WI_DEFAULT_PORT; 219 sc->wi_ptype = WI_PORTTYPE_BSS; 220 sc->wi_ap_density = WI_DEFAULT_AP_DENSITY; 221 sc->wi_rts_thresh = WI_DEFAULT_RTS_THRESH; 222 sc->wi_tx_rate = WI_DEFAULT_TX_RATE; 223 sc->wi_max_data_len = WI_DEFAULT_DATALEN; 224 sc->wi_create_ibss = WI_DEFAULT_CREATE_IBSS; 225 sc->wi_pm_enabled = WI_DEFAULT_PM_ENABLED; 226 sc->wi_max_sleep = WI_DEFAULT_MAX_SLEEP; 227 228 /* 229 * Read the default channel from the NIC. This may vary 230 * depending on the country where the NIC was purchased, so 231 * we can't hard-code a default and expect it to work for 232 * everyone. 233 */ 234 gen.wi_type = WI_RID_OWN_CHNL; 235 gen.wi_len = 2; 236 wi_read_record(sc, &gen); 237 sc->wi_channel = gen.wi_val; 238 239 bzero((char *)&sc->wi_stats, sizeof(sc->wi_stats)); 240 241 /* 242 * Find out if we support WEP on this card. 243 */ 244 gen.wi_type = WI_RID_WEP_AVAIL; 245 gen.wi_len = 2; 246 wi_read_record(sc, &gen); 247 sc->wi_has_wep = gen.wi_val; 248 249 ifmedia_init(&sc->sc_media, 0, wi_media_change, wi_media_status); 250 #define IFM_AUTOADHOC \ 251 IFM_MAKEWORD(IFM_IEEE80211, IFM_AUTO, IFM_IEEE80211_ADHOC, 0) 252 #define ADD(m, c) ifmedia_add(&sc->sc_media, (m), (c), NULL) 253 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_AUTO, 0, 0), 0); 254 ADD(IFM_AUTOADHOC, 0); 255 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_DS1, 0, 0), 0); 256 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_DS1, 257 IFM_IEEE80211_ADHOC, 0), 0); 258 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_DS2, 0, 0), 0); 259 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_DS2, 260 IFM_IEEE80211_ADHOC, 0), 0); 261 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_DS11, 0, 0), 0); 262 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_IEEE80211_DS11, 263 IFM_IEEE80211_ADHOC, 0), 0); 264 ADD(IFM_MAKEWORD(IFM_IEEE80211, IFM_MANUAL, 0, 0), 0); 265 #undef ADD 266 ifmedia_set(&sc->sc_media, IFM_AUTOADHOC); 267 268 /* 269 * Call MI attach routines. 270 */ 271 if_attach(ifp); 272 ether_ifattach(ifp, mac.wi_mac_addr); 273 274 ifp->if_baudrate = IF_Mbps(2); 275 276 /* Attach is successful. */ 277 sc->sc_attached = 1; 278 279 splx(s); 280 return 0; 281 } 282 283 static void wi_rxeof(sc) 284 struct wi_softc *sc; 285 { 286 struct ifnet *ifp; 287 struct ether_header *eh; 288 struct wi_frame rx_frame; 289 struct mbuf *m; 290 int id; 291 292 ifp = sc->sc_ifp; 293 294 id = CSR_READ_2(sc, WI_RX_FID); 295 296 /* First read in the frame header */ 297 if (wi_read_data(sc, id, 0, (caddr_t)&rx_frame, sizeof(rx_frame))) { 298 ifp->if_ierrors++; 299 return; 300 } 301 302 if (rx_frame.wi_status & WI_STAT_ERRSTAT) { 303 ifp->if_ierrors++; 304 return; 305 } 306 307 MGETHDR(m, M_DONTWAIT, MT_DATA); 308 if (m == NULL) { 309 ifp->if_ierrors++; 310 return; 311 } 312 MCLGET(m, M_DONTWAIT); 313 if (!(m->m_flags & M_EXT)) { 314 m_freem(m); 315 ifp->if_ierrors++; 316 return; 317 } 318 319 /* Align the data after the ethernet header */ 320 m->m_data = (caddr_t) ALIGN(m->m_data + sizeof(struct ether_header)) 321 - sizeof(struct ether_header); 322 323 eh = mtod(m, struct ether_header *); 324 m->m_pkthdr.rcvif = ifp; 325 326 if (rx_frame.wi_status == WI_STAT_1042 || 327 rx_frame.wi_status == WI_STAT_TUNNEL || 328 rx_frame.wi_status == WI_STAT_WMP_MSG) { 329 if((rx_frame.wi_dat_len + WI_SNAPHDR_LEN) > MCLBYTES) { 330 printf("%s: oversized packet received " 331 "(wi_dat_len=%d, wi_status=0x%x)\n", 332 sc->sc_dev.dv_xname, 333 rx_frame.wi_dat_len, rx_frame.wi_status); 334 m_freem(m); 335 ifp->if_ierrors++; 336 return; 337 } 338 m->m_pkthdr.len = m->m_len = 339 rx_frame.wi_dat_len + WI_SNAPHDR_LEN; 340 341 bcopy((char *)&rx_frame.wi_dst_addr, 342 (char *)&eh->ether_dhost, ETHER_ADDR_LEN); 343 bcopy((char *)&rx_frame.wi_src_addr, 344 (char *)&eh->ether_shost, ETHER_ADDR_LEN); 345 bcopy((char *)&rx_frame.wi_type, 346 (char *)&eh->ether_type, sizeof(u_int16_t)); 347 348 if (wi_read_data(sc, id, WI_802_11_OFFSET, 349 mtod(m, caddr_t) + sizeof(struct ether_header), 350 m->m_len + 2)) { 351 m_freem(m); 352 ifp->if_ierrors++; 353 return; 354 } 355 } else { 356 if((rx_frame.wi_dat_len + 357 sizeof(struct ether_header)) > MCLBYTES) { 358 printf("%s: oversized packet received " 359 "(wi_dat_len=%d, wi_status=0x%x)\n", 360 sc->sc_dev.dv_xname, 361 rx_frame.wi_dat_len, rx_frame.wi_status); 362 m_freem(m); 363 ifp->if_ierrors++; 364 return; 365 } 366 m->m_pkthdr.len = m->m_len = 367 rx_frame.wi_dat_len + sizeof(struct ether_header); 368 369 if (wi_read_data(sc, id, WI_802_3_OFFSET, 370 mtod(m, caddr_t), m->m_len + 2)) { 371 m_freem(m); 372 ifp->if_ierrors++; 373 return; 374 } 375 } 376 377 ifp->if_ipackets++; 378 379 #if NBPFILTER > 0 380 /* Handle BPF listeners. */ 381 if (ifp->if_bpf) 382 bpf_mtap(ifp->if_bpf, m); 383 #endif 384 385 /* Receive packet. */ 386 (*ifp->if_input)(ifp, m); 387 } 388 389 static void wi_txeof(sc, status) 390 struct wi_softc *sc; 391 int status; 392 { 393 struct ifnet *ifp = sc->sc_ifp; 394 395 ifp->if_timer = 0; 396 ifp->if_flags &= ~IFF_OACTIVE; 397 398 if (status & WI_EV_TX_EXC) 399 ifp->if_oerrors++; 400 else 401 ifp->if_opackets++; 402 403 return; 404 } 405 406 void wi_inquire(xsc) 407 void *xsc; 408 { 409 struct wi_softc *sc; 410 struct ifnet *ifp; 411 412 sc = xsc; 413 ifp = &sc->sc_ethercom.ec_if; 414 415 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 416 return; 417 418 callout_reset(&sc->wi_inquire_ch, hz * 60, wi_inquire, sc); 419 420 /* Don't do this while we're transmitting */ 421 if (ifp->if_flags & IFF_OACTIVE) 422 return; 423 424 wi_cmd(sc, WI_CMD_INQUIRE, WI_INFO_COUNTERS); 425 426 return; 427 } 428 429 void wi_update_stats(sc) 430 struct wi_softc *sc; 431 { 432 struct wi_ltv_gen gen; 433 u_int16_t id; 434 struct ifnet *ifp; 435 u_int32_t *ptr; 436 int len, i; 437 u_int16_t t; 438 439 ifp = &sc->sc_ethercom.ec_if; 440 441 id = CSR_READ_2(sc, WI_INFO_FID); 442 443 wi_read_data(sc, id, 0, (char *)&gen, 4); 444 445 if (gen.wi_type != WI_INFO_COUNTERS) 446 return; 447 448 /* some card versions have a larger stats structure */ 449 len = (gen.wi_len - 1 < sizeof(sc->wi_stats) / 4) ? 450 gen.wi_len - 1 : sizeof(sc->wi_stats) / 4; 451 ptr = (u_int32_t *)&sc->wi_stats; 452 453 for (i = 0; i < len; i++) { 454 t = CSR_READ_2(sc, WI_DATA1); 455 #ifdef WI_HERMES_STATS_WAR 456 if (t > 0xF000) 457 t = ~t & 0xFFFF; 458 #endif 459 ptr[i] += t; 460 } 461 462 ifp->if_collisions = sc->wi_stats.wi_tx_single_retries + 463 sc->wi_stats.wi_tx_multi_retries + 464 sc->wi_stats.wi_tx_retry_limit; 465 466 return; 467 } 468 469 int wi_intr(arg) 470 void *arg; 471 { 472 struct wi_softc *sc = arg; 473 struct ifnet *ifp; 474 u_int16_t status; 475 476 if (sc->sc_enabled == 0 || 477 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0 || 478 (sc->sc_ethercom.ec_if.if_flags & IFF_RUNNING) == 0) 479 return (0); 480 481 ifp = &sc->sc_ethercom.ec_if; 482 483 if (!(ifp->if_flags & IFF_UP)) { 484 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 485 CSR_WRITE_2(sc, WI_INT_EN, 0); 486 return 1; 487 } 488 489 /* Disable interrupts. */ 490 CSR_WRITE_2(sc, WI_INT_EN, 0); 491 492 status = CSR_READ_2(sc, WI_EVENT_STAT); 493 CSR_WRITE_2(sc, WI_EVENT_ACK, ~WI_INTRS); 494 495 if (status & WI_EV_RX) { 496 wi_rxeof(sc); 497 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_RX); 498 } 499 500 if (status & WI_EV_TX) { 501 wi_txeof(sc, status); 502 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_TX); 503 } 504 505 if (status & WI_EV_ALLOC) { 506 int id; 507 id = CSR_READ_2(sc, WI_ALLOC_FID); 508 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 509 if (id == sc->wi_tx_data_id) 510 wi_txeof(sc, status); 511 } 512 513 if (status & WI_EV_INFO) { 514 wi_update_stats(sc); 515 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_INFO); 516 } 517 518 if (status & WI_EV_TX_EXC) { 519 wi_txeof(sc, status); 520 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_TX_EXC); 521 } 522 523 if (status & WI_EV_INFO_DROP) { 524 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_INFO_DROP); 525 } 526 527 /* Re-enable interrupts. */ 528 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 529 530 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 531 wi_start(ifp); 532 533 return 1; 534 } 535 536 static int 537 wi_cmd(sc, cmd, val) 538 struct wi_softc *sc; 539 int cmd; 540 int val; 541 { 542 int i, s = 0; 543 544 /* wait for the busy bit to clear */ 545 for (i = 0; i < WI_TIMEOUT; i++) { 546 if (!(CSR_READ_2(sc, WI_COMMAND) & WI_CMD_BUSY)) 547 break; 548 } 549 550 CSR_WRITE_2(sc, WI_PARAM0, val); 551 CSR_WRITE_2(sc, WI_PARAM1, 0); 552 CSR_WRITE_2(sc, WI_PARAM2, 0); 553 CSR_WRITE_2(sc, WI_COMMAND, cmd); 554 555 /* wait for the cmd completed bit */ 556 for (i = 0; i < WI_TIMEOUT; i++) { 557 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD) 558 break; 559 DELAY(10); 560 } 561 562 /* Ack the command */ 563 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD); 564 565 s = CSR_READ_2(sc, WI_STATUS); 566 if (s & WI_STAT_CMD_RESULT) 567 return(EIO); 568 569 if (i == WI_TIMEOUT) 570 return(ETIMEDOUT); 571 572 return(0); 573 } 574 575 static void 576 wi_reset(sc) 577 struct wi_softc *sc; 578 { 579 DELAY(100*1000); /* 100 m sec */ 580 if (wi_cmd(sc, WI_CMD_INI, 0)) 581 printf("%s: init failed\n", sc->sc_dev.dv_xname); 582 CSR_WRITE_2(sc, WI_INT_EN, 0); 583 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF); 584 585 /* Calibrate timer. */ 586 WI_SETVAL(WI_RID_TICK_TIME, 8); 587 588 return; 589 } 590 591 /* 592 * Read an LTV record from the NIC. 593 */ 594 static int wi_read_record(sc, ltv) 595 struct wi_softc *sc; 596 struct wi_ltv_gen *ltv; 597 { 598 u_int16_t *ptr; 599 int i, len, code; 600 struct wi_ltv_gen *oltv, p2ltv; 601 602 if (sc->sc_prism2) { 603 oltv = ltv; 604 switch (ltv->wi_type) { 605 case WI_RID_ENCRYPTION: 606 p2ltv.wi_type = WI_RID_P2_ENCRYPTION; 607 p2ltv.wi_len = 2; 608 ltv = &p2ltv; 609 break; 610 case WI_RID_TX_CRYPT_KEY: 611 p2ltv.wi_type = WI_RID_P2_TX_CRYPT_KEY; 612 p2ltv.wi_len = 2; 613 ltv = &p2ltv; 614 break; 615 } 616 } 617 618 /* Tell the NIC to enter record read mode. */ 619 if (wi_cmd(sc, WI_CMD_ACCESS|WI_ACCESS_READ, ltv->wi_type)) 620 return(EIO); 621 622 /* Seek to the record. */ 623 if (wi_seek(sc, ltv->wi_type, 0, WI_BAP1)) 624 return(EIO); 625 626 /* 627 * Read the length and record type and make sure they 628 * match what we expect (this verifies that we have enough 629 * room to hold all of the returned data). 630 */ 631 len = CSR_READ_2(sc, WI_DATA1); 632 if (len > ltv->wi_len) 633 return(ENOSPC); 634 code = CSR_READ_2(sc, WI_DATA1); 635 if (code != ltv->wi_type) 636 return(EIO); 637 638 ltv->wi_len = len; 639 ltv->wi_type = code; 640 641 /* Now read the data. */ 642 ptr = <v->wi_val; 643 for (i = 0; i < ltv->wi_len - 1; i++) 644 ptr[i] = CSR_READ_2(sc, WI_DATA1); 645 646 if (sc->sc_prism2) { 647 switch (oltv->wi_type) { 648 case WI_RID_TX_RATE: 649 case WI_RID_CUR_TX_RATE: 650 switch (ltv->wi_val) { 651 case 1: oltv->wi_val = 1; break; 652 case 2: oltv->wi_val = 2; break; 653 case 3: oltv->wi_val = 6; break; 654 case 4: oltv->wi_val = 5; break; 655 case 7: oltv->wi_val = 7; break; 656 case 8: oltv->wi_val = 11; break; 657 case 15: oltv->wi_val = 3; break; 658 default: oltv->wi_val = 0x100 + ltv->wi_val; break; 659 } 660 break; 661 case WI_RID_ENCRYPTION: 662 oltv->wi_len = 2; 663 if (ltv->wi_val & 0x01) 664 oltv->wi_val = 1; 665 else 666 oltv->wi_val = 0; 667 break; 668 case WI_RID_TX_CRYPT_KEY: 669 oltv->wi_len = 2; 670 oltv->wi_val = ltv->wi_val; 671 break; 672 } 673 } 674 675 return(0); 676 } 677 678 /* 679 * Same as read, except we inject data instead of reading it. 680 */ 681 static int wi_write_record(sc, ltv) 682 struct wi_softc *sc; 683 struct wi_ltv_gen *ltv; 684 { 685 u_int16_t *ptr; 686 int i; 687 struct wi_ltv_gen p2ltv; 688 689 if (sc->sc_prism2) { 690 switch (ltv->wi_type) { 691 case WI_RID_TX_RATE: 692 p2ltv.wi_type = WI_RID_TX_RATE; 693 p2ltv.wi_len = 2; 694 switch (ltv->wi_val) { 695 case 1: p2ltv.wi_val = 1; break; 696 case 2: p2ltv.wi_val = 2; break; 697 case 3: p2ltv.wi_val = 15; break; 698 case 5: p2ltv.wi_val = 4; break; 699 case 6: p2ltv.wi_val = 3; break; 700 case 7: p2ltv.wi_val = 7; break; 701 case 11: p2ltv.wi_val = 8; break; 702 default: return EINVAL; 703 } 704 ltv = &p2ltv; 705 break; 706 case WI_RID_ENCRYPTION: 707 p2ltv.wi_type = WI_RID_P2_ENCRYPTION; 708 p2ltv.wi_len = 2; 709 if (ltv->wi_val) 710 p2ltv.wi_val = 0x03; 711 else 712 p2ltv.wi_val = 0x90; 713 ltv = &p2ltv; 714 break; 715 case WI_RID_TX_CRYPT_KEY: 716 p2ltv.wi_type = WI_RID_P2_TX_CRYPT_KEY; 717 p2ltv.wi_len = 2; 718 p2ltv.wi_val = ltv->wi_val; 719 ltv = &p2ltv; 720 break; 721 case WI_RID_DEFLT_CRYPT_KEYS: 722 { 723 int error; 724 struct wi_ltv_str ws; 725 struct wi_ltv_keys *wk = (struct wi_ltv_keys *)ltv; 726 for (i = 0; i < 4; i++) { 727 ws.wi_len = 4; 728 ws.wi_type = WI_RID_P2_CRYPT_KEY0 + i; 729 memcpy(ws.wi_str, &wk->wi_keys[i].wi_keydat, 5); 730 ws.wi_str[5] = '\0'; 731 error = wi_write_record(sc, 732 (struct wi_ltv_gen *)&ws); 733 if (error) 734 return error; 735 } 736 return 0; 737 } 738 } 739 } 740 741 if (wi_seek(sc, ltv->wi_type, 0, WI_BAP1)) 742 return(EIO); 743 744 CSR_WRITE_2(sc, WI_DATA1, ltv->wi_len); 745 CSR_WRITE_2(sc, WI_DATA1, ltv->wi_type); 746 747 /* Write data */ 748 ptr = <v->wi_val; 749 for (i = 0; i < ltv->wi_len - 1; i++) 750 CSR_WRITE_2(sc, WI_DATA1, ptr[i]); 751 752 if (wi_cmd(sc, WI_CMD_ACCESS|WI_ACCESS_WRITE, ltv->wi_type)) 753 return(EIO); 754 755 return(0); 756 } 757 758 static int wi_seek(sc, id, off, chan) 759 struct wi_softc *sc; 760 int id, off, chan; 761 { 762 int i; 763 int selreg, offreg; 764 int status; 765 766 switch (chan) { 767 case WI_BAP0: 768 selreg = WI_SEL0; 769 offreg = WI_OFF0; 770 break; 771 case WI_BAP1: 772 selreg = WI_SEL1; 773 offreg = WI_OFF1; 774 break; 775 default: 776 printf("%s: invalid data path: %x\n", 777 sc->sc_dev.dv_xname, chan); 778 return(EIO); 779 } 780 781 CSR_WRITE_2(sc, selreg, id); 782 CSR_WRITE_2(sc, offreg, off); 783 784 for (i = 0; i < WI_TIMEOUT; i++) { 785 status = CSR_READ_2(sc, offreg); 786 if (!(status & (WI_OFF_BUSY|WI_OFF_ERR))) 787 break; 788 } 789 790 if (i == WI_TIMEOUT) { 791 printf("%s: timeout in wi_seek to %x/%x; last status %x\n", 792 sc->sc_dev.dv_xname, id, off, status); 793 return(ETIMEDOUT); 794 } 795 return(0); 796 } 797 798 static int wi_read_data(sc, id, off, buf, len) 799 struct wi_softc *sc; 800 int id, off; 801 caddr_t buf; 802 int len; 803 { 804 int i; 805 u_int16_t *ptr; 806 807 if (wi_seek(sc, id, off, WI_BAP1)) 808 return(EIO); 809 810 ptr = (u_int16_t *)buf; 811 for (i = 0; i < len / 2; i++) 812 ptr[i] = CSR_READ_2(sc, WI_DATA1); 813 814 return(0); 815 } 816 817 /* 818 * According to the comments in the HCF Light code, there is a bug in 819 * the Hermes (or possibly in certain Hermes firmware revisions) where 820 * the chip's internal autoincrement counter gets thrown off during 821 * data writes: the autoincrement is missed, causing one data word to 822 * be overwritten and subsequent words to be written to the wrong memory 823 * locations. The end result is that we could end up transmitting bogus 824 * frames without realizing it. The workaround for this is to write a 825 * couple of extra guard words after the end of the transfer, then 826 * attempt to read then back. If we fail to locate the guard words where 827 * we expect them, we preform the transfer over again. 828 */ 829 static int wi_write_data(sc, id, off, buf, len) 830 struct wi_softc *sc; 831 int id, off; 832 caddr_t buf; 833 int len; 834 { 835 int i; 836 u_int16_t *ptr; 837 838 #ifdef WI_HERMES_AUTOINC_WAR 839 again: 840 #endif 841 842 if (wi_seek(sc, id, off, WI_BAP0)) 843 return(EIO); 844 845 ptr = (u_int16_t *)buf; 846 for (i = 0; i < (len / 2); i++) 847 CSR_WRITE_2(sc, WI_DATA0, ptr[i]); 848 849 #ifdef WI_HERMES_AUTOINC_WAR 850 CSR_WRITE_2(sc, WI_DATA0, 0x1234); 851 CSR_WRITE_2(sc, WI_DATA0, 0x5678); 852 853 if (wi_seek(sc, id, off + len, WI_BAP0)) 854 return(EIO); 855 856 if (CSR_READ_2(sc, WI_DATA0) != 0x1234 || 857 CSR_READ_2(sc, WI_DATA0) != 0x5678) 858 goto again; 859 #endif 860 861 return(0); 862 } 863 864 /* 865 * Allocate a region of memory inside the NIC and zero 866 * it out. 867 */ 868 static int wi_alloc_nicmem(sc, len, id) 869 struct wi_softc *sc; 870 int len; 871 int *id; 872 { 873 int i; 874 875 if (wi_cmd(sc, WI_CMD_ALLOC_MEM, len)) { 876 printf("%s: failed to allocate %d bytes on NIC\n", 877 sc->sc_dev.dv_xname, len); 878 return(ENOMEM); 879 } 880 881 for (i = 0; i < WI_TIMEOUT; i++) { 882 if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_ALLOC) 883 break; 884 } 885 886 if (i == WI_TIMEOUT) { 887 printf("%s: TIMED OUT in alloc\n", sc->sc_dev.dv_xname); 888 return(ETIMEDOUT); 889 } 890 891 CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_ALLOC); 892 *id = CSR_READ_2(sc, WI_ALLOC_FID); 893 894 if (wi_seek(sc, *id, 0, WI_BAP0)) { 895 printf("%s: seek failed in alloc\n", sc->sc_dev.dv_xname); 896 return(EIO); 897 } 898 899 for (i = 0; i < len / 2; i++) 900 CSR_WRITE_2(sc, WI_DATA0, 0); 901 902 return(0); 903 } 904 905 static void wi_setmulti(sc) 906 struct wi_softc *sc; 907 { 908 struct ifnet *ifp; 909 int i = 0; 910 struct wi_ltv_mcast mcast; 911 struct ether_multi *enm; 912 struct ether_multistep estep; 913 struct ethercom *ec = &sc->sc_ethercom; 914 915 ifp = &sc->sc_ethercom.ec_if; 916 917 if ((ifp->if_flags & IFF_PROMISC) != 0) { 918 allmulti: 919 ifp->if_flags |= IFF_ALLMULTI; 920 bzero((char *)&mcast, sizeof(mcast)); 921 mcast.wi_type = WI_RID_MCAST; 922 mcast.wi_len = ((ETHER_ADDR_LEN / 2) * 16) + 1; 923 924 wi_write_record(sc, (struct wi_ltv_gen *)&mcast); 925 return; 926 } 927 928 i = 0; 929 ETHER_FIRST_MULTI(estep, ec, enm); 930 while (enm != NULL) { 931 /* Punt on ranges or too many multicast addresses. */ 932 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 933 ETHER_ADDR_LEN) != 0 || 934 i >= 16) 935 goto allmulti; 936 937 bcopy(enm->enm_addrlo, 938 (char *)&mcast.wi_mcast[i], ETHER_ADDR_LEN); 939 i++; 940 ETHER_NEXT_MULTI(estep, enm); 941 } 942 943 ifp->if_flags &= ~IFF_ALLMULTI; 944 mcast.wi_type = WI_RID_MCAST; 945 mcast.wi_len = ((ETHER_ADDR_LEN / 2) * i) + 1; 946 wi_write_record(sc, (struct wi_ltv_gen *)&mcast); 947 } 948 949 static int 950 wi_setdef(sc, wreq) 951 struct wi_softc *sc; 952 struct wi_req *wreq; 953 { 954 struct sockaddr_dl *sdl; 955 struct ifnet *ifp; 956 int error = 0; 957 958 ifp = &sc->sc_ethercom.ec_if; 959 960 switch(wreq->wi_type) { 961 case WI_RID_MAC_NODE: 962 sdl = (struct sockaddr_dl *)ifp->if_sadl; 963 bcopy((char *)&wreq->wi_val, (char *)&sc->sc_macaddr, 964 ETHER_ADDR_LEN); 965 bcopy((char *)&wreq->wi_val, LLADDR(sdl), ETHER_ADDR_LEN); 966 break; 967 case WI_RID_PORTTYPE: 968 error = wi_sync_media(sc, wreq->wi_val[0], sc->wi_tx_rate); 969 break; 970 case WI_RID_TX_RATE: 971 error = wi_sync_media(sc, sc->wi_ptype, wreq->wi_val[0]); 972 break; 973 case WI_RID_MAX_DATALEN: 974 sc->wi_max_data_len = wreq->wi_val[0]; 975 break; 976 case WI_RID_RTS_THRESH: 977 sc->wi_rts_thresh = wreq->wi_val[0]; 978 break; 979 case WI_RID_SYSTEM_SCALE: 980 sc->wi_ap_density = wreq->wi_val[0]; 981 break; 982 case WI_RID_CREATE_IBSS: 983 sc->wi_create_ibss = wreq->wi_val[0]; 984 break; 985 case WI_RID_OWN_CHNL: 986 sc->wi_channel = wreq->wi_val[0]; 987 break; 988 case WI_RID_NODENAME: 989 error = wi_set_ssid(&sc->wi_nodeid, 990 (u_int8_t *)&wreq->wi_val[1], wreq->wi_val[0]); 991 break; 992 case WI_RID_DESIRED_SSID: 993 error = wi_set_ssid(&sc->wi_netid, 994 (u_int8_t *)&wreq->wi_val[1], wreq->wi_val[0]); 995 break; 996 case WI_RID_OWN_SSID: 997 error = wi_set_ssid(&sc->wi_ibssid, 998 (u_int8_t *)&wreq->wi_val[1], wreq->wi_val[0]); 999 break; 1000 case WI_RID_PM_ENABLED: 1001 sc->wi_pm_enabled = wreq->wi_val[0]; 1002 break; 1003 case WI_RID_MICROWAVE_OVEN: 1004 sc->wi_mor_enabled = wreq->wi_val[0]; 1005 break; 1006 case WI_RID_MAX_SLEEP: 1007 sc->wi_max_sleep = wreq->wi_val[0]; 1008 break; 1009 case WI_RID_ENCRYPTION: 1010 sc->wi_use_wep = wreq->wi_val[0]; 1011 break; 1012 case WI_RID_TX_CRYPT_KEY: 1013 sc->wi_tx_key = wreq->wi_val[0]; 1014 break; 1015 case WI_RID_DEFLT_CRYPT_KEYS: 1016 bcopy((char *)wreq, (char *)&sc->wi_keys, 1017 sizeof(struct wi_ltv_keys)); 1018 break; 1019 default: 1020 error = EINVAL; 1021 break; 1022 } 1023 1024 return (error); 1025 } 1026 1027 static int 1028 wi_getdef(sc, wreq) 1029 struct wi_softc *sc; 1030 struct wi_req *wreq; 1031 { 1032 struct sockaddr_dl *sdl; 1033 struct ifnet *ifp; 1034 int error = 0; 1035 1036 ifp = &sc->sc_ethercom.ec_if; 1037 1038 wreq->wi_len = 2; /* XXX */ 1039 switch (wreq->wi_type) { 1040 case WI_RID_MAC_NODE: 1041 wreq->wi_len += ETHER_ADDR_LEN / 2 - 1; 1042 sdl = (struct sockaddr_dl *)ifp->if_sadl; 1043 bcopy(&sc->sc_macaddr, &wreq->wi_val, ETHER_ADDR_LEN); 1044 bcopy(LLADDR(sdl), &wreq->wi_val, ETHER_ADDR_LEN); 1045 break; 1046 case WI_RID_PORTTYPE: 1047 wreq->wi_val[0] = sc->wi_ptype; 1048 break; 1049 case WI_RID_TX_RATE: 1050 wreq->wi_val[0] = sc->wi_tx_rate; 1051 break; 1052 case WI_RID_MAX_DATALEN: 1053 wreq->wi_val[0] = sc->wi_max_data_len; 1054 break; 1055 case WI_RID_RTS_THRESH: 1056 wreq->wi_val[0] = sc->wi_rts_thresh; 1057 break; 1058 case WI_RID_SYSTEM_SCALE: 1059 wreq->wi_val[0] = sc->wi_ap_density; 1060 break; 1061 case WI_RID_CREATE_IBSS: 1062 wreq->wi_val[0] = sc->wi_create_ibss; 1063 break; 1064 case WI_RID_OWN_CHNL: 1065 wreq->wi_val[0] = sc->wi_channel; 1066 break; 1067 case WI_RID_NODENAME: 1068 wi_request_fill_ssid(wreq, &sc->wi_nodeid); 1069 break; 1070 case WI_RID_DESIRED_SSID: 1071 wi_request_fill_ssid(wreq, &sc->wi_netid); 1072 break; 1073 case WI_RID_OWN_SSID: 1074 wi_request_fill_ssid(wreq, &sc->wi_ibssid); 1075 break; 1076 case WI_RID_PM_ENABLED: 1077 wreq->wi_val[0] = sc->wi_pm_enabled; 1078 break; 1079 case WI_RID_MICROWAVE_OVEN: 1080 wreq->wi_val[0] = sc->wi_mor_enabled; 1081 break; 1082 case WI_RID_MAX_SLEEP: 1083 wreq->wi_val[0] = sc->wi_max_sleep; 1084 break; 1085 case WI_RID_WEP_AVAIL: 1086 wreq->wi_val[0] = sc->wi_has_wep; 1087 break; 1088 case WI_RID_ENCRYPTION: 1089 wreq->wi_val[0] = sc->wi_use_wep; 1090 break; 1091 case WI_RID_TX_CRYPT_KEY: 1092 wreq->wi_val[0] = sc->wi_tx_key; 1093 break; 1094 case WI_RID_DEFLT_CRYPT_KEYS: 1095 wreq->wi_len += sizeof(struct wi_ltv_keys) / 2 - 1; 1096 bcopy(&sc->wi_keys, wreq, sizeof(struct wi_ltv_keys)); 1097 break; 1098 default: 1099 #if 0 1100 error = EIO; 1101 #else 1102 #ifdef WI_DEBUG 1103 printf("%s: wi_getdef: unknown request %d\n", 1104 sc->sc_dev.dv_xname, wreq->wi_type); 1105 #endif 1106 #endif 1107 break; 1108 } 1109 1110 return (error); 1111 } 1112 1113 static int 1114 wi_ioctl(ifp, command, data) 1115 struct ifnet *ifp; 1116 u_long command; 1117 caddr_t data; 1118 { 1119 int s, error = 0; 1120 struct wi_softc *sc = ifp->if_softc; 1121 struct wi_req wreq; 1122 struct ifreq *ifr; 1123 struct proc *p = curproc; 1124 struct ieee80211_nwid nwid; 1125 1126 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1127 return (ENXIO); 1128 1129 s = splnet(); 1130 1131 ifr = (struct ifreq *)data; 1132 switch (command) { 1133 case SIOCSIFADDR: 1134 case SIOCGIFADDR: 1135 case SIOCSIFMTU: 1136 error = ether_ioctl(ifp, command, data); 1137 break; 1138 case SIOCSIFFLAGS: 1139 if (!(ifp->if_flags & IFF_UP)) { 1140 if (sc->sc_disable) 1141 (*sc->sc_disable)(sc); 1142 sc->sc_enabled = 0; 1143 ifp->if_flags &= ~IFF_RUNNING; 1144 } 1145 break; 1146 case SIOCADDMULTI: 1147 case SIOCDELMULTI: 1148 error = (command == SIOCADDMULTI) ? 1149 ether_addmulti(ifr, &sc->sc_ethercom) : 1150 ether_delmulti(ifr, &sc->sc_ethercom); 1151 if (error == ENETRESET) { 1152 if (sc->sc_enabled != 0) { 1153 /* 1154 * Multicast list has changed. Set the 1155 * hardware filter accordingly. 1156 */ 1157 wi_setmulti(sc); 1158 } 1159 error = 0; 1160 } 1161 break; 1162 case SIOCSIFMEDIA: 1163 case SIOCGIFMEDIA: 1164 error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, command); 1165 break; 1166 case SIOCGWAVELAN: 1167 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 1168 if (error) 1169 break; 1170 if (wreq.wi_type == WI_RID_IFACE_STATS) { 1171 bcopy((char *)&sc->wi_stats, (char *)&wreq.wi_val, 1172 sizeof(sc->wi_stats)); 1173 wreq.wi_len = (sizeof(sc->wi_stats) / 2) + 1; 1174 } else if (wreq.wi_type == WI_RID_DEFLT_CRYPT_KEYS) { 1175 /* For non-root user, return all-zeroes keys */ 1176 if (suser(p->p_ucred, &p->p_acflag)) 1177 bzero((char *)&wreq, 1178 sizeof(struct wi_ltv_keys)); 1179 else 1180 bcopy((char *)&sc->wi_keys, (char *)&wreq, 1181 sizeof(struct wi_ltv_keys)); 1182 } else { 1183 if (sc->sc_enabled == 0) 1184 error = wi_getdef(sc, &wreq); 1185 else if (wi_read_record(sc, (struct wi_ltv_gen *)&wreq)) 1186 error = EINVAL; 1187 } 1188 if (error == 0) 1189 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 1190 break; 1191 case SIOCSWAVELAN: 1192 error = suser(p->p_ucred, &p->p_acflag); 1193 if (error) 1194 break; 1195 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 1196 if (error) 1197 break; 1198 if (wreq.wi_type == WI_RID_IFACE_STATS) { 1199 error = EINVAL; 1200 break; 1201 } else if (wreq.wi_type == WI_RID_MGMT_XMIT) { 1202 error = wi_mgmt_xmit(sc, (caddr_t)&wreq.wi_val, 1203 wreq.wi_len); 1204 } else { 1205 if (sc->sc_enabled != 0) 1206 error = wi_write_record(sc, 1207 (struct wi_ltv_gen *)&wreq); 1208 if (error == 0) 1209 error = wi_setdef(sc, &wreq); 1210 if (error == 0 && sc->sc_enabled != 0) 1211 /* Reinitialize WaveLAN. */ 1212 wi_init(ifp); 1213 } 1214 break; 1215 case SIOCG80211NWID: 1216 if (sc->sc_enabled == 0) { 1217 /* Return the desired ID */ 1218 error = copyout(&sc->wi_netid, ifr->ifr_data, 1219 sizeof(sc->wi_netid)); 1220 } else { 1221 wreq.wi_type = WI_RID_CURRENT_SSID; 1222 wreq.wi_len = WI_MAX_DATALEN; 1223 if (wi_read_record(sc, (struct wi_ltv_gen *)&wreq) || 1224 wreq.wi_val[0] > IEEE80211_NWID_LEN) 1225 error = EINVAL; 1226 else { 1227 wi_set_ssid(&nwid, (u_int8_t *)&wreq.wi_val[1], 1228 wreq.wi_val[0]); 1229 error = copyout(&nwid, ifr->ifr_data, 1230 sizeof(nwid)); 1231 } 1232 } 1233 break; 1234 case SIOCS80211NWID: 1235 error = copyin(ifr->ifr_data, &nwid, sizeof(nwid)); 1236 if (error != 0) 1237 break; 1238 if (nwid.i_len > IEEE80211_NWID_LEN) { 1239 error = EINVAL; 1240 break; 1241 } 1242 if (sc->wi_netid.i_len == nwid.i_len && 1243 memcmp(sc->wi_netid.i_nwid, nwid.i_nwid, nwid.i_len) == 0) 1244 break; 1245 wi_set_ssid(&sc->wi_netid, nwid.i_nwid, nwid.i_len); 1246 if (sc->sc_enabled != 0) 1247 /* Reinitialize WaveLAN. */ 1248 wi_init(ifp); 1249 break; 1250 case SIOCS80211NWKEY: 1251 error = wi_set_nwkey(sc, (struct ieee80211_nwkey *)data); 1252 break; 1253 case SIOCG80211NWKEY: 1254 error = wi_get_nwkey(sc, (struct ieee80211_nwkey *)data); 1255 break; 1256 case SIOCS80211POWER: 1257 error = wi_set_pm(sc, (struct ieee80211_power *)data); 1258 break; 1259 case SIOCG80211POWER: 1260 error = wi_get_pm(sc, (struct ieee80211_power *)data); 1261 break; 1262 1263 default: 1264 error = EINVAL; 1265 break; 1266 } 1267 1268 splx(s); 1269 return (error); 1270 } 1271 1272 static int 1273 wi_init(ifp) 1274 struct ifnet *ifp; 1275 { 1276 struct wi_softc *sc = ifp->if_softc; 1277 struct wi_req wreq; 1278 struct wi_ltv_macaddr mac; 1279 int error, id = 0; 1280 1281 if (!sc->sc_enabled) { 1282 if((error = (*sc->sc_enable)(sc)) != 0) 1283 goto out; 1284 sc->sc_enabled = 1; 1285 } 1286 1287 wi_stop(ifp, 0); 1288 wi_reset(sc); 1289 1290 /* Program max data length. */ 1291 WI_SETVAL(WI_RID_MAX_DATALEN, sc->wi_max_data_len); 1292 1293 /* Enable/disable IBSS creation. */ 1294 WI_SETVAL(WI_RID_CREATE_IBSS, sc->wi_create_ibss); 1295 1296 /* Set the port type. */ 1297 WI_SETVAL(WI_RID_PORTTYPE, sc->wi_ptype); 1298 1299 /* Program the RTS/CTS threshold. */ 1300 WI_SETVAL(WI_RID_RTS_THRESH, sc->wi_rts_thresh); 1301 1302 /* Program the TX rate */ 1303 WI_SETVAL(WI_RID_TX_RATE, sc->wi_tx_rate); 1304 1305 /* Access point density */ 1306 WI_SETVAL(WI_RID_SYSTEM_SCALE, sc->wi_ap_density); 1307 1308 /* Power Management Enabled */ 1309 WI_SETVAL(WI_RID_PM_ENABLED, sc->wi_pm_enabled); 1310 1311 /* Power Managment Max Sleep */ 1312 WI_SETVAL(WI_RID_MAX_SLEEP, sc->wi_max_sleep); 1313 1314 /* Specify the IBSS name */ 1315 wi_write_ssid(sc, WI_RID_OWN_SSID, &wreq, &sc->wi_ibssid); 1316 1317 /* Specify the network name */ 1318 wi_write_ssid(sc, WI_RID_DESIRED_SSID, &wreq, &sc->wi_netid); 1319 1320 /* Specify the frequency to use */ 1321 WI_SETVAL(WI_RID_OWN_CHNL, sc->wi_channel); 1322 1323 /* Program the nodename. */ 1324 wi_write_ssid(sc, WI_RID_NODENAME, &wreq, &sc->wi_nodeid); 1325 1326 /* Set our MAC address. */ 1327 mac.wi_len = 4; 1328 mac.wi_type = WI_RID_MAC_NODE; 1329 memcpy(&mac.wi_mac_addr, sc->sc_macaddr, ETHER_ADDR_LEN); 1330 wi_write_record(sc, (struct wi_ltv_gen *)&mac); 1331 1332 /* Configure WEP. */ 1333 if (sc->wi_has_wep) { 1334 WI_SETVAL(WI_RID_ENCRYPTION, sc->wi_use_wep); 1335 WI_SETVAL(WI_RID_TX_CRYPT_KEY, sc->wi_tx_key); 1336 sc->wi_keys.wi_len = (sizeof(struct wi_ltv_keys) / 2) + 1; 1337 sc->wi_keys.wi_type = WI_RID_DEFLT_CRYPT_KEYS; 1338 wi_write_record(sc, (struct wi_ltv_gen *)&sc->wi_keys); 1339 } 1340 1341 /* Initialize promisc mode. */ 1342 if (ifp->if_flags & IFF_PROMISC) { 1343 WI_SETVAL(WI_RID_PROMISC, 1); 1344 } else { 1345 WI_SETVAL(WI_RID_PROMISC, 0); 1346 } 1347 1348 /* Set multicast filter. */ 1349 wi_setmulti(sc); 1350 1351 /* Enable desired port */ 1352 wi_cmd(sc, WI_CMD_ENABLE | sc->wi_portnum, 0); 1353 1354 if ((error = wi_alloc_nicmem(sc, 1355 1518 + sizeof(struct wi_frame) + 8, &id)) != 0) { 1356 printf("%s: tx buffer allocation failed\n", 1357 sc->sc_dev.dv_xname); 1358 goto out; 1359 } 1360 sc->wi_tx_data_id = id; 1361 1362 if ((error = wi_alloc_nicmem(sc, 1363 1518 + sizeof(struct wi_frame) + 8, &id)) != 0) { 1364 printf("%s: mgmt. buffer allocation failed\n", 1365 sc->sc_dev.dv_xname); 1366 goto out; 1367 } 1368 sc->wi_tx_mgmt_id = id; 1369 1370 /* Enable interrupts */ 1371 CSR_WRITE_2(sc, WI_INT_EN, WI_INTRS); 1372 1373 ifp->if_flags |= IFF_RUNNING; 1374 ifp->if_flags &= ~IFF_OACTIVE; 1375 1376 callout_reset(&sc->wi_inquire_ch, hz * 60, wi_inquire, sc); 1377 1378 out: 1379 if (error) { 1380 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1381 ifp->if_timer = 0; 1382 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1383 } 1384 return (error); 1385 } 1386 1387 static void 1388 wi_start(ifp) 1389 struct ifnet *ifp; 1390 { 1391 struct wi_softc *sc; 1392 struct mbuf *m0; 1393 struct wi_frame tx_frame; 1394 struct ether_header *eh; 1395 int id; 1396 1397 sc = ifp->if_softc; 1398 1399 if (ifp->if_flags & IFF_OACTIVE) 1400 return; 1401 1402 IFQ_DEQUEUE(&ifp->if_snd, m0); 1403 if (m0 == NULL) 1404 return; 1405 1406 bzero((char *)&tx_frame, sizeof(tx_frame)); 1407 id = sc->wi_tx_data_id; 1408 eh = mtod(m0, struct ether_header *); 1409 1410 /* 1411 * Use RFC1042 encoding for IP and ARP datagrams, 1412 * 802.3 for anything else. 1413 */ 1414 if (ntohs(eh->ether_type) == ETHERTYPE_IP || 1415 ntohs(eh->ether_type) == ETHERTYPE_ARP || 1416 ntohs(eh->ether_type) == ETHERTYPE_REVARP || 1417 ntohs(eh->ether_type) == ETHERTYPE_IPV6) { 1418 bcopy((char *)&eh->ether_dhost, 1419 (char *)&tx_frame.wi_addr1, ETHER_ADDR_LEN); 1420 bcopy((char *)&eh->ether_shost, 1421 (char *)&tx_frame.wi_addr2, ETHER_ADDR_LEN); 1422 bcopy((char *)&eh->ether_dhost, 1423 (char *)&tx_frame.wi_dst_addr, ETHER_ADDR_LEN); 1424 bcopy((char *)&eh->ether_shost, 1425 (char *)&tx_frame.wi_src_addr, ETHER_ADDR_LEN); 1426 1427 tx_frame.wi_dat_len = m0->m_pkthdr.len - WI_SNAPHDR_LEN; 1428 tx_frame.wi_frame_ctl = WI_FTYPE_DATA; 1429 tx_frame.wi_dat[0] = htons(WI_SNAP_WORD0); 1430 tx_frame.wi_dat[1] = htons(WI_SNAP_WORD1); 1431 tx_frame.wi_len = htons(m0->m_pkthdr.len - WI_SNAPHDR_LEN); 1432 tx_frame.wi_type = eh->ether_type; 1433 1434 m_copydata(m0, sizeof(struct ether_header), 1435 m0->m_pkthdr.len - sizeof(struct ether_header), 1436 (caddr_t)&sc->wi_txbuf); 1437 1438 wi_write_data(sc, id, 0, (caddr_t)&tx_frame, 1439 sizeof(struct wi_frame)); 1440 wi_write_data(sc, id, WI_802_11_OFFSET, (caddr_t)&sc->wi_txbuf, 1441 (m0->m_pkthdr.len - sizeof(struct ether_header)) + 2); 1442 } else { 1443 tx_frame.wi_dat_len = m0->m_pkthdr.len; 1444 1445 m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&sc->wi_txbuf); 1446 1447 wi_write_data(sc, id, 0, (caddr_t)&tx_frame, 1448 sizeof(struct wi_frame)); 1449 wi_write_data(sc, id, WI_802_3_OFFSET, (caddr_t)&sc->wi_txbuf, 1450 m0->m_pkthdr.len + 2); 1451 } 1452 1453 #if NBPFILTER > 0 1454 /* 1455 * If there's a BPF listener, bounce a copy of 1456 * this frame to him. 1457 */ 1458 if (ifp->if_bpf) 1459 bpf_mtap(ifp->if_bpf, m0); 1460 #endif 1461 1462 m_freem(m0); 1463 1464 if (wi_cmd(sc, WI_CMD_TX|WI_RECLAIM, id)) 1465 printf("%s: xmit failed\n", sc->sc_dev.dv_xname); 1466 1467 ifp->if_flags |= IFF_OACTIVE; 1468 1469 /* 1470 * Set a timeout in case the chip goes out to lunch. 1471 */ 1472 ifp->if_timer = 5; 1473 1474 return; 1475 } 1476 1477 static int 1478 wi_mgmt_xmit(sc, data, len) 1479 struct wi_softc *sc; 1480 caddr_t data; 1481 int len; 1482 { 1483 struct wi_frame tx_frame; 1484 int id; 1485 struct wi_80211_hdr *hdr; 1486 caddr_t dptr; 1487 1488 hdr = (struct wi_80211_hdr *)data; 1489 dptr = data + sizeof(struct wi_80211_hdr); 1490 1491 bzero((char *)&tx_frame, sizeof(tx_frame)); 1492 id = sc->wi_tx_mgmt_id; 1493 1494 bcopy((char *)hdr, (char *)&tx_frame.wi_frame_ctl, 1495 sizeof(struct wi_80211_hdr)); 1496 1497 tx_frame.wi_dat_len = len - WI_SNAPHDR_LEN; 1498 tx_frame.wi_len = htons(len - WI_SNAPHDR_LEN); 1499 1500 wi_write_data(sc, id, 0, (caddr_t)&tx_frame, sizeof(struct wi_frame)); 1501 wi_write_data(sc, id, WI_802_11_OFFSET_RAW, dptr, 1502 (len - sizeof(struct wi_80211_hdr)) + 2); 1503 1504 if (wi_cmd(sc, WI_CMD_TX|WI_RECLAIM, id)) { 1505 printf("%s: xmit failed\n", sc->sc_dev.dv_xname); 1506 return(EIO); 1507 } 1508 1509 return(0); 1510 } 1511 1512 static void 1513 wi_stop(ifp, disable) 1514 struct ifnet *ifp; 1515 { 1516 struct wi_softc *sc = ifp->if_softc; 1517 1518 CSR_WRITE_2(sc, WI_INT_EN, 0); 1519 wi_cmd(sc, WI_CMD_DISABLE|sc->wi_portnum, 0); 1520 1521 callout_stop(&sc->wi_inquire_ch); 1522 1523 if (disable) { 1524 if (sc->sc_disable) 1525 (*sc->sc_disable)(sc); 1526 sc->sc_enabled = 0; 1527 } 1528 1529 ifp->if_flags &= ~(IFF_OACTIVE | IFF_RUNNING); 1530 ifp->if_timer = 0; 1531 } 1532 1533 static void 1534 wi_watchdog(ifp) 1535 struct ifnet *ifp; 1536 { 1537 struct wi_softc *sc; 1538 1539 sc = ifp->if_softc; 1540 1541 printf("%s: device timeout\n", sc->sc_dev.dv_xname); 1542 1543 wi_init(ifp); 1544 1545 ifp->if_oerrors++; 1546 1547 return; 1548 } 1549 1550 void 1551 wi_shutdown(sc) 1552 struct wi_softc *sc; 1553 { 1554 int s; 1555 1556 s = splnet(); 1557 if (sc->sc_enabled) { 1558 if (sc->sc_disable) 1559 (*sc->sc_disable)(sc); 1560 sc->sc_enabled = 0; 1561 } 1562 splx(s); 1563 } 1564 1565 int 1566 wi_activate(self, act) 1567 struct device *self; 1568 enum devact act; 1569 { 1570 struct wi_softc *sc = (struct wi_softc *)self; 1571 int rv = 0, s; 1572 1573 s = splnet(); 1574 switch (act) { 1575 case DVACT_ACTIVATE: 1576 rv = EOPNOTSUPP; 1577 break; 1578 1579 case DVACT_DEACTIVATE: 1580 if_deactivate(&sc->sc_ethercom.ec_if); 1581 break; 1582 } 1583 splx(s); 1584 return (rv); 1585 } 1586 1587 int 1588 wi_detach(sc) 1589 struct wi_softc *sc; 1590 { 1591 struct ifnet *ifp = sc->sc_ifp; 1592 int s; 1593 1594 if (!sc->sc_attached) 1595 return (0); 1596 1597 s = splnet(); 1598 callout_stop(&sc->wi_inquire_ch); 1599 1600 /* Delete all remaining media. */ 1601 ifmedia_delete_instance(&sc->sc_media, IFM_INST_ANY); 1602 1603 ether_ifdetach(ifp); 1604 if_detach(ifp); 1605 if (sc->sc_enabled) { 1606 if (sc->sc_disable) 1607 (*sc->sc_disable)(sc); 1608 sc->sc_enabled = 0; 1609 } 1610 splx(s); 1611 return (0); 1612 } 1613 1614 void 1615 wi_power(sc, why) 1616 struct wi_softc *sc; 1617 int why; 1618 { 1619 int s; 1620 1621 if (!sc->sc_enabled) 1622 return; 1623 1624 s = splnet(); 1625 switch (why) { 1626 case PWR_SUSPEND: 1627 case PWR_STANDBY: 1628 wi_stop(sc->sc_ifp, 0); 1629 if (sc->sc_disable) 1630 (*sc->sc_disable)(sc); 1631 break; 1632 case PWR_RESUME: 1633 sc->sc_enabled = 0; 1634 wi_init(sc->sc_ifp); 1635 (void)wi_intr(sc); 1636 break; 1637 case PWR_SOFTSUSPEND: 1638 case PWR_SOFTSTANDBY: 1639 case PWR_SOFTRESUME: 1640 break; 1641 } 1642 splx(s); 1643 } 1644 1645 static int 1646 wi_set_ssid(ws, id, len) 1647 struct ieee80211_nwid *ws; 1648 u_int8_t *id; 1649 int len; 1650 { 1651 1652 if (len > IEEE80211_NWID_LEN) 1653 return (EINVAL); 1654 ws->i_len = len; 1655 memcpy(ws->i_nwid, id, len); 1656 return (0); 1657 } 1658 1659 static void 1660 wi_request_fill_ssid(wreq, ws) 1661 struct wi_req *wreq; 1662 struct ieee80211_nwid *ws; 1663 { 1664 1665 memset(&wreq->wi_val[0], 0, sizeof(wreq->wi_val)); 1666 wreq->wi_val[0] = ws->i_len; 1667 wreq->wi_len = roundup(wreq->wi_val[0], 2) / 2 + 2; 1668 memcpy(&wreq->wi_val[1], ws->i_nwid, wreq->wi_val[0]); 1669 } 1670 1671 static int 1672 wi_write_ssid(sc, type, wreq, ws) 1673 struct wi_softc *sc; 1674 int type; 1675 struct wi_req *wreq; 1676 struct ieee80211_nwid *ws; 1677 { 1678 1679 wreq->wi_type = type; 1680 wi_request_fill_ssid(wreq, ws); 1681 return (wi_write_record(sc, (struct wi_ltv_gen *)wreq)); 1682 } 1683 1684 static int 1685 wi_sync_media(sc, ptype, txrate) 1686 struct wi_softc *sc; 1687 int ptype; 1688 int txrate; 1689 { 1690 int media = sc->sc_media.ifm_cur->ifm_media; 1691 int options = IFM_OPTIONS(media); 1692 int subtype; 1693 1694 switch (txrate) { 1695 case 1: 1696 subtype = IFM_IEEE80211_DS1; 1697 break; 1698 case 2: 1699 subtype = IFM_IEEE80211_DS2; 1700 break; 1701 case 3: 1702 subtype = IFM_AUTO; 1703 break; 1704 case 11: 1705 subtype = IFM_IEEE80211_DS11; 1706 break; 1707 default: 1708 subtype = IFM_MANUAL; /* Unable to represent */ 1709 break; 1710 } 1711 switch (ptype) { 1712 case WI_PORTTYPE_ADHOC: 1713 options |= IFM_IEEE80211_ADHOC; 1714 break; 1715 case WI_PORTTYPE_BSS: 1716 options &= ~IFM_IEEE80211_ADHOC; 1717 break; 1718 default: 1719 subtype = IFM_MANUAL; /* Unable to represent */ 1720 break; 1721 } 1722 media = IFM_MAKEWORD(IFM_TYPE(media), subtype, options, 1723 IFM_INST(media)); 1724 if (ifmedia_match(&sc->sc_media, media, sc->sc_media.ifm_mask) == NULL) 1725 return (EINVAL); 1726 ifmedia_set(&sc->sc_media, media); 1727 sc->wi_ptype = ptype; 1728 sc->wi_tx_rate = txrate; 1729 return (0); 1730 } 1731 1732 static int 1733 wi_media_change(ifp) 1734 struct ifnet *ifp; 1735 { 1736 struct wi_softc *sc = ifp->if_softc; 1737 int otype = sc->wi_ptype; 1738 int orate = sc->wi_tx_rate; 1739 1740 if ((sc->sc_media.ifm_cur->ifm_media & IFM_IEEE80211_ADHOC) != 0) 1741 sc->wi_ptype = WI_PORTTYPE_ADHOC; 1742 else 1743 sc->wi_ptype = WI_PORTTYPE_BSS; 1744 1745 switch (IFM_SUBTYPE(sc->sc_media.ifm_cur->ifm_media)) { 1746 case IFM_IEEE80211_DS1: 1747 sc->wi_tx_rate = 1; 1748 break; 1749 case IFM_IEEE80211_DS2: 1750 sc->wi_tx_rate = 2; 1751 break; 1752 case IFM_AUTO: 1753 sc->wi_tx_rate = 3; 1754 break; 1755 case IFM_IEEE80211_DS11: 1756 sc->wi_tx_rate = 11; 1757 break; 1758 } 1759 1760 if (sc->sc_enabled != 0) { 1761 if (otype != sc->wi_ptype || 1762 orate != sc->wi_tx_rate) 1763 wi_init(ifp); 1764 } 1765 1766 ifp->if_baudrate = ifmedia_baudrate(sc->sc_media.ifm_cur->ifm_media); 1767 1768 return (0); 1769 } 1770 1771 static void 1772 wi_media_status(ifp, imr) 1773 struct ifnet *ifp; 1774 struct ifmediareq *imr; 1775 { 1776 struct wi_softc *sc = ifp->if_softc; 1777 1778 if (sc->sc_enabled == 0) { 1779 imr->ifm_active = IFM_IEEE80211|IFM_NONE; 1780 imr->ifm_status = 0; 1781 return; 1782 } 1783 1784 imr->ifm_active = sc->sc_media.ifm_cur->ifm_media; 1785 imr->ifm_status = IFM_AVALID|IFM_ACTIVE; 1786 } 1787 1788 static int 1789 wi_set_nwkey(sc, nwkey) 1790 struct wi_softc *sc; 1791 struct ieee80211_nwkey *nwkey; 1792 { 1793 int i, len, error; 1794 struct wi_req wreq; 1795 struct wi_ltv_keys *wk = (struct wi_ltv_keys *)&wreq; 1796 1797 if (!sc->wi_has_wep) 1798 return ENODEV; 1799 if (nwkey->i_defkid <= 0 || 1800 nwkey->i_defkid > IEEE80211_WEP_NKID) 1801 return EINVAL; 1802 memcpy(wk, &sc->wi_keys, sizeof(*wk)); 1803 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1804 if (nwkey->i_key[i].i_keydat == NULL) 1805 continue; 1806 len = nwkey->i_key[i].i_keylen; 1807 if (len > sizeof(wk->wi_keys[i].wi_keydat)) 1808 return EINVAL; 1809 error = copyin(nwkey->i_key[i].i_keydat, 1810 wk->wi_keys[i].wi_keydat, len); 1811 if (error) 1812 return error; 1813 wk->wi_keys[i].wi_keylen = len; 1814 } 1815 1816 wk->wi_len = (sizeof(*wk) / 2) + 1; 1817 wk->wi_type = WI_RID_DEFLT_CRYPT_KEYS; 1818 if (sc->sc_enabled != 0) { 1819 error = wi_write_record(sc, (struct wi_ltv_gen *)&wreq); 1820 if (error) 1821 return error; 1822 } 1823 error = wi_setdef(sc, &wreq); 1824 if (error) 1825 return error; 1826 1827 wreq.wi_len = 2; 1828 wreq.wi_type = WI_RID_TX_CRYPT_KEY; 1829 wreq.wi_val[0] = nwkey->i_defkid - 1; 1830 if (sc->sc_enabled != 0) { 1831 error = wi_write_record(sc, (struct wi_ltv_gen *)&wreq); 1832 if (error) 1833 return error; 1834 } 1835 error = wi_setdef(sc, &wreq); 1836 if (error) 1837 return error; 1838 1839 wreq.wi_type = WI_RID_ENCRYPTION; 1840 wreq.wi_val[0] = nwkey->i_wepon; 1841 if (sc->sc_enabled != 0) { 1842 error = wi_write_record(sc, (struct wi_ltv_gen *)&wreq); 1843 if (error) 1844 return error; 1845 } 1846 error = wi_setdef(sc, &wreq); 1847 if (error) 1848 return error; 1849 1850 if (sc->sc_enabled != 0) 1851 wi_init(&sc->sc_ethercom.ec_if); 1852 return 0; 1853 } 1854 1855 static int 1856 wi_get_nwkey(sc, nwkey) 1857 struct wi_softc *sc; 1858 struct ieee80211_nwkey *nwkey; 1859 { 1860 int i, len, error; 1861 struct wi_ltv_keys *wk = &sc->wi_keys; 1862 1863 if (!sc->wi_has_wep) 1864 return ENODEV; 1865 nwkey->i_wepon = sc->wi_use_wep; 1866 nwkey->i_defkid = sc->wi_tx_key + 1; 1867 1868 /* do not show any keys to non-root user */ 1869 error = suser(curproc->p_ucred, &curproc->p_acflag); 1870 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1871 if (nwkey->i_key[i].i_keydat == NULL) 1872 continue; 1873 /* error holds results of suser() for the first time */ 1874 if (error) 1875 return error; 1876 len = wk->wi_keys[i].wi_keylen; 1877 if (nwkey->i_key[i].i_keylen < len) 1878 return ENOSPC; 1879 nwkey->i_key[i].i_keylen = len; 1880 error = copyout(wk->wi_keys[i].wi_keydat, 1881 nwkey->i_key[i].i_keydat, len); 1882 if (error) 1883 return error; 1884 } 1885 return 0; 1886 } 1887 1888 static int 1889 wi_set_pm(struct wi_softc *sc, struct ieee80211_power *power) 1890 { 1891 1892 sc->wi_pm_enabled = power->i_enabled; 1893 sc->wi_max_sleep = power->i_maxsleep; 1894 1895 if (sc->sc_enabled) 1896 return (wi_init(&sc->sc_ethercom.ec_if)); 1897 1898 return (0); 1899 } 1900 1901 static int 1902 wi_get_pm(struct wi_softc *sc, struct ieee80211_power *power) 1903 { 1904 1905 power->i_enabled = sc->wi_pm_enabled; 1906 power->i_maxsleep = sc->wi_max_sleep; 1907 1908 return (0); 1909 } 1910
Indexes created Sun Sep 21 14:09:52 GMT 2025