1 /* 2 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* 7 * Copyright (c) 2004, 2005 8 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice unmodified, this list of conditions, and the following 15 * disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/types.h> 34 #include <sys/byteorder.h> 35 #include <sys/conf.h> 36 #include <sys/cmn_err.h> 37 #include <sys/stat.h> 38 #include <sys/ddi.h> 39 #include <sys/sunddi.h> 40 #include <sys/strsubr.h> 41 #include <sys/ethernet.h> 42 #include <inet/common.h> 43 #include <inet/nd.h> 44 #include <inet/mi.h> 45 #include <sys/note.h> 46 #include <sys/stream.h> 47 #include <sys/strsun.h> 48 #include <sys/modctl.h> 49 #include <sys/devops.h> 50 #include <sys/dlpi.h> 51 #include <sys/mac.h> 52 #include <sys/mac_wifi.h> 53 #include <sys/varargs.h> 54 #include <sys/pci.h> 55 #include <sys/policy.h> 56 #include <sys/random.h> 57 #include <sys/crypto/common.h> 58 #include <sys/crypto/api.h> 59 60 #include "ipw2200.h" 61 #include "ipw2200_impl.h" 62 #include <inet/wifi_ioctl.h> 63 64 /* 65 * for net80211 kernel usage 66 */ 67 #include <sys/net80211.h> 68 #include <sys/net80211_proto.h> 69 70 /* 71 * minimal size reserved in tx-ring 72 */ 73 #define IPW2200_TX_RING_MIN (8) 74 #define IPW2200_TXBUF_SIZE (IEEE80211_MAX_LEN) 75 #define IPW2200_RXBUF_SIZE (4096) 76 77 static void *ipw2200_ssp = NULL; 78 static char ipw2200_ident[] = IPW2200_DRV_DESC; 79 80 /* 81 * PIO access attributor for registers 82 */ 83 static ddi_device_acc_attr_t ipw2200_csr_accattr = { 84 DDI_DEVICE_ATTR_V0, 85 DDI_STRUCTURE_LE_ACC, 86 DDI_STRICTORDER_ACC 87 }; 88 89 /* 90 * DMA access attributor for descriptors 91 */ 92 static ddi_device_acc_attr_t ipw2200_dma_accattr = { 93 DDI_DEVICE_ATTR_V0, 94 DDI_NEVERSWAP_ACC, 95 DDI_STRICTORDER_ACC 96 }; 97 98 /* 99 * Describes the chip's DMA engine 100 */ 101 static ddi_dma_attr_t ipw2200_dma_attr = { 102 DMA_ATTR_V0, /* version */ 103 0x0000000000000000ULL, /* addr_lo */ 104 0x00000000ffffffffULL, /* addr_hi */ 105 0x00000000ffffffffULL, /* counter */ 106 0x0000000000000004ULL, /* alignment */ 107 0xfff, /* burst */ 108 1, /* min xfer */ 109 0x00000000ffffffffULL, /* max xfer */ 110 0x00000000ffffffffULL, /* seg boud */ 111 1, /* s/g list */ 112 1, /* granularity */ 113 0 /* flags */ 114 }; 115 116 static uint8_t ipw2200_broadcast_addr[] = { 117 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 118 }; 119 static const struct ieee80211_rateset ipw2200_rateset_11a = { 8, 120 {12, 18, 24, 36, 48, 72, 96, 108} 121 }; 122 static const struct ieee80211_rateset ipw2200_rateset_11b = { 4, 123 {2, 4, 11, 22} 124 }; 125 static const struct ieee80211_rateset ipw2200_rateset_11g = { 12, 126 {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108} 127 }; 128 129 /* 130 * Used by multi function thread 131 */ 132 extern pri_t minclsyspri; 133 134 /* 135 * ipw2200 specific hardware operations 136 */ 137 static void ipw2200_hwconf_get(struct ipw2200_softc *sc); 138 static int ipw2200_chip_reset(struct ipw2200_softc *sc); 139 static void ipw2200_master_stop(struct ipw2200_softc *sc); 140 static void ipw2200_stop(struct ipw2200_softc *sc); 141 static int ipw2200_config(struct ipw2200_softc *sc); 142 static int ipw2200_cmd(struct ipw2200_softc *sc, 143 uint32_t type, void *buf, size_t len, int async); 144 static void ipw2200_ring_hwsetup(struct ipw2200_softc *sc); 145 static int ipw2200_ring_alloc(struct ipw2200_softc *sc); 146 static void ipw2200_ring_free(struct ipw2200_softc *sc); 147 static void ipw2200_ring_reset(struct ipw2200_softc *sc); 148 static int ipw2200_ring_init(struct ipw2200_softc *sc); 149 150 /* 151 * GLD specific operations 152 */ 153 static int ipw2200_m_stat(void *arg, uint_t stat, uint64_t *val); 154 static int ipw2200_m_start(void *arg); 155 static void ipw2200_m_stop(void *arg); 156 static int ipw2200_m_unicst(void *arg, const uint8_t *macaddr); 157 static int ipw2200_m_multicst(void *arg, boolean_t add, const uint8_t *m); 158 static int ipw2200_m_promisc(void *arg, boolean_t on); 159 static void ipw2200_m_ioctl(void *arg, queue_t *wq, mblk_t *mp); 160 static mblk_t *ipw2200_m_tx(void *arg, mblk_t *mp); 161 162 /* 163 * Interrupt and Data transferring operations 164 */ 165 static uint_t ipw2200_intr(caddr_t arg); 166 static int ipw2200_send(struct ieee80211com *ic, mblk_t *mp, uint8_t type); 167 static void ipw2200_rcv_frame(struct ipw2200_softc *sc, 168 struct ipw2200_frame *frame); 169 static void ipw2200_rcv_notif(struct ipw2200_softc *sc, 170 struct ipw2200_notif *notif); 171 172 /* 173 * WiFi specific operations 174 */ 175 static int ipw2200_newstate(struct ieee80211com *ic, 176 enum ieee80211_state state, int arg); 177 static void ipw2200_thread(struct ipw2200_softc *sc); 178 179 /* 180 * IOCTL Handler 181 */ 182 static int ipw2200_ioctl(struct ipw2200_softc *sc, queue_t *q, mblk_t *m); 183 static int ipw2200_getset(struct ipw2200_softc *sc, 184 mblk_t *m, uint32_t cmd, boolean_t *need_net80211); 185 static int iwi_wificfg_radio(struct ipw2200_softc *sc, 186 uint32_t cmd, wldp_t *outfp); 187 static int iwi_wificfg_desrates(wldp_t *outfp); 188 189 /* 190 * net80211 functions 191 */ 192 extern uint8_t ieee80211_crypto_getciphertype(ieee80211com_t *ic); 193 extern void ieee80211_notify_node_join(ieee80211com_t *ic, 194 ieee80211_node_t *in); 195 extern void ieee80211_notify_node_leave(ieee80211com_t *ic, 196 ieee80211_node_t *in); 197 198 /* 199 * Mac Call Back entries 200 */ 201 mac_callbacks_t ipw2200_m_callbacks = { 202 MC_IOCTL, 203 ipw2200_m_stat, 204 ipw2200_m_start, 205 ipw2200_m_stop, 206 ipw2200_m_promisc, 207 ipw2200_m_multicst, 208 ipw2200_m_unicst, 209 ipw2200_m_tx, 210 NULL, 211 ipw2200_m_ioctl 212 }; 213 214 /* 215 * DEBUG Facility 216 */ 217 #define MAX_MSG (128) 218 uint32_t ipw2200_debug = 0; 219 /* 220 * supported debug marks are: 221 * | IPW2200_DBG_CSR 222 * | IPW2200_DBG_TABLE 223 * | IPW2200_DBG_HWCAP 224 * | IPW2200_DBG_TX 225 * | IPW2200_DBG_INIT 226 * | IPW2200_DBG_FW 227 * | IPW2200_DBG_NOTIF 228 * | IPW2200_DBG_SCAN 229 * | IPW2200_DBG_IOCTL 230 * | IPW2200_DBG_RING 231 * | IPW2200_DBG_INT 232 * | IPW2200_DBG_RX 233 * | IPW2200_DBG_DMA 234 * | IPW2200_DBG_GLD 235 * | IPW2200_DBG_WIFI 236 * | IPW2200_DBG_SOFTINT 237 * | IPW2200_DBG_SUSPEND 238 */ 239 240 /* 241 * Global tunning parameter to work around unknown hardware issues 242 */ 243 static uint32_t delay_config_stable = 100000; /* 100ms */ 244 static uint32_t delay_fatal_recover = 100000 * 20; /* 2s */ 245 static uint32_t delay_aux_thread = 100000; /* 100ms */ 246 247 #define IEEE80211_IS_CHAN_2GHZ(_c) \ 248 (((_c)->ich_flags & IEEE80211_CHAN_2GHZ) != 0) 249 #define IEEE80211_IS_CHAN_5GHZ(_c) \ 250 (((_c)->ich_flags & IEEE80211_CHAN_5GHZ) != 0) 251 #define isset(a, i) ((a)[(i)/NBBY] & (1 << ((i)%NBBY))) 252 253 void 254 ipw2200_dbg(dev_info_t *dip, int level, const char *fmt, ...) 255 { 256 va_list ap; 257 char buf[MAX_MSG]; 258 int instance; 259 260 va_start(ap, fmt); 261 (void) vsnprintf(buf, sizeof (buf), fmt, ap); 262 va_end(ap); 263 264 if (dip) { 265 instance = ddi_get_instance(dip); 266 cmn_err(level, "%s%d: %s", IPW2200_DRV_NAME, instance, buf); 267 } else 268 cmn_err(level, "%s: %s", IPW2200_DRV_NAME, buf); 269 270 } 271 272 /* 273 * Set up pci 274 */ 275 int 276 ipw2200_setup_pci(dev_info_t *dip, struct ipw2200_softc *sc) 277 { 278 ddi_acc_handle_t cfgh; 279 caddr_t regs; 280 int err; 281 282 /* 283 * Map config spaces register to read the vendor id, device id, sub 284 * vendor id, and sub device id. 285 */ 286 err = ddi_regs_map_setup(dip, IPW2200_PCI_CFG_RNUM, ®s, 287 0, 0, &ipw2200_csr_accattr, &cfgh); 288 if (err != DDI_SUCCESS) { 289 IPW2200_WARN((dip, CE_WARN, 290 "ipw2200_attach(): unable to map spaces regs\n")); 291 return (DDI_FAILURE); 292 } 293 294 ddi_put8(cfgh, (uint8_t *)(regs + 0x41), 0); 295 sc->sc_vendor = ddi_get16(cfgh, 296 (uint16_t *)((uintptr_t)regs + PCI_CONF_VENID)); 297 sc->sc_device = ddi_get16(cfgh, 298 (uint16_t *)((uintptr_t)regs + PCI_CONF_DEVID)); 299 sc->sc_subven = ddi_get16(cfgh, 300 (uint16_t *)((uintptr_t)regs + PCI_CONF_SUBVENID)); 301 sc->sc_subdev = ddi_get16(cfgh, 302 (uint16_t *)((uintptr_t)regs + PCI_CONF_SUBSYSID)); 303 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 304 "ipw2200_setup_pci(): vendor = 0x%04x, devic = 0x%04x," 305 "subversion = 0x%04x, subdev = 0x%04x", 306 sc->sc_vendor, sc->sc_device, sc->sc_subven, sc->sc_subdev)); 307 308 ddi_regs_map_free(&cfgh); 309 310 return (DDI_SUCCESS); 311 312 } 313 314 /* 315 * Device operations 316 */ 317 int 318 ipw2200_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 319 { 320 struct ipw2200_softc *sc; 321 struct ieee80211com *ic; 322 int instance, err, i; 323 char strbuf[32]; 324 wifi_data_t wd = { 0 }; 325 mac_register_t *macp; 326 327 switch (cmd) { 328 case DDI_ATTACH: 329 break; 330 case DDI_RESUME: 331 sc = ddi_get_soft_state(ipw2200_ssp, ddi_get_instance(dip)); 332 ASSERT(sc != NULL); 333 334 /* 335 * set up pci 336 */ 337 err = ipw2200_setup_pci(dip, sc); 338 if (err != DDI_SUCCESS) { 339 IPW2200_DBG(IPW2200_DBG_SUSPEND, (sc->sc_dip, CE_CONT, 340 "ipw2200_attach(): resume failure\n")); 341 return (DDI_FAILURE); 342 } 343 344 /* 345 * resume hardware. 346 * If it was on runnning status, reset to INIT state 347 */ 348 sc->sc_flags &= ~IPW2200_FLAG_SUSPEND; 349 if (sc->sc_flags & IPW2200_FLAG_RUNNING) 350 (void) ipw2200_init(sc); 351 352 IPW2200_DBG(IPW2200_DBG_SUSPEND, (sc->sc_dip, CE_CONT, 353 "ipw2200_attach(): resume successful\n")); 354 return (DDI_SUCCESS); 355 default: 356 return (DDI_FAILURE); 357 } 358 359 instance = ddi_get_instance(dip); 360 err = ddi_soft_state_zalloc(ipw2200_ssp, instance); 361 if (err != DDI_SUCCESS) { 362 IPW2200_WARN((dip, CE_WARN, 363 "ipw2200_attach(): unable to allocate soft state\n")); 364 goto fail1; 365 } 366 sc = ddi_get_soft_state(ipw2200_ssp, instance); 367 sc->sc_dip = dip; 368 369 /* set up pci, put reg+0x41 0 */ 370 err = ipw2200_setup_pci(dip, sc); 371 if (err != DDI_SUCCESS) { 372 IPW2200_WARN((dip, CE_WARN, 373 "ipw2200_attach(): unable to setup pci\n")); 374 goto fail2; 375 } 376 377 /* 378 * Map operating registers 379 */ 380 err = ddi_regs_map_setup(dip, IPW2200_PCI_CSR_RNUM, &sc->sc_regs, 381 0, 0, &ipw2200_csr_accattr, &sc->sc_ioh); 382 if (err != DDI_SUCCESS) { 383 IPW2200_WARN((dip, CE_WARN, 384 "ipw2200_attach(): ddi_regs_map_setup() failed\n")); 385 goto fail2; 386 } 387 388 /* 389 * Reset the chip 390 */ 391 err = ipw2200_chip_reset(sc); 392 if (err != DDI_SUCCESS) { 393 IPW2200_WARN((dip, CE_WARN, 394 "ipw2200_attach(): ipw2200_chip_reset() failed\n")); 395 goto fail3; 396 } 397 398 /* 399 * Get the hardware configuration, including the MAC address 400 * Then, init all the rings needed. 401 */ 402 ipw2200_hwconf_get(sc); 403 err = ipw2200_ring_init(sc); 404 if (err != DDI_SUCCESS) { 405 IPW2200_WARN((dip, CE_WARN, 406 "ipw2200_attach(): ipw2200_ring_init() failed\n")); 407 goto fail3; 408 } 409 410 /* 411 * Initialize mutexs and condvars 412 */ 413 err = ddi_get_iblock_cookie(dip, 0, &sc->sc_iblk); 414 if (err != DDI_SUCCESS) { 415 IPW2200_WARN((dip, CE_WARN, 416 "ipw2200_attach(): ddi_get_iblock_cookie() failed\n")); 417 goto fail4; 418 } 419 420 /* 421 * interrupt lock 422 */ 423 mutex_init(&sc->sc_ilock, "intr-lock", MUTEX_DRIVER, 424 (void *) sc->sc_iblk); 425 cv_init(&sc->sc_fw_cond, "firmware-ok", CV_DRIVER, NULL); 426 cv_init(&sc->sc_cmd_status_cond, "cmd-status-ring", CV_DRIVER, NULL); 427 428 /* 429 * command ring lock 430 */ 431 mutex_init(&sc->sc_cmd_lock, "cmd-ring", MUTEX_DRIVER, 432 (void *) sc->sc_iblk); 433 cv_init(&sc->sc_cmd_cond, "cmd-ring", CV_DRIVER, NULL); 434 435 /* 436 * tx ring lock 437 */ 438 mutex_init(&sc->sc_tx_lock, "tx-ring", MUTEX_DRIVER, 439 (void *) sc->sc_iblk); 440 441 /* 442 * rescheduled lock 443 */ 444 mutex_init(&sc->sc_resched_lock, "reschedule-lock", MUTEX_DRIVER, 445 (void *) sc->sc_iblk); 446 447 /* 448 * multi-function lock, may acquire this during interrupt 449 */ 450 mutex_init(&sc->sc_mflock, "function-lock", MUTEX_DRIVER, 451 (void *) sc->sc_iblk); 452 cv_init(&sc->sc_mfthread_cv, NULL, CV_DRIVER, NULL); 453 sc->sc_mf_thread = NULL; 454 sc->sc_mfthread_switch = 0; 455 456 /* 457 * Initialize the WiFi part 458 */ 459 ic = &sc->sc_ic; 460 ic->ic_phytype = IEEE80211_T_OFDM; 461 ic->ic_opmode = IEEE80211_M_STA; 462 ic->ic_state = IEEE80211_S_INIT; 463 ic->ic_maxrssi = 100; /* experimental number */ 464 ic->ic_caps = 465 IEEE80211_C_SHPREAMBLE | 466 IEEE80211_C_TXPMGT | 467 IEEE80211_C_PMGT | 468 IEEE80211_C_WPA; 469 470 /* 471 * set mac addr 472 */ 473 IEEE80211_ADDR_COPY(ic->ic_macaddr, sc->sc_macaddr); 474 475 /* 476 * set supported .11a rates and channel - (2915ABG only) 477 */ 478 if (sc->sc_device >= 0x4223) { 479 /* .11a rates */ 480 ic->ic_sup_rates[IEEE80211_MODE_11A] = ipw2200_rateset_11a; 481 /* .11a channels */ 482 for (i = 36; i <= 64; i += 4) { 483 ic->ic_sup_channels[i].ich_freq = 484 ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 485 ic->ic_sup_channels[i].ich_flags = /* CHAN_A */ 486 IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM; 487 } 488 for (i = 149; i <= 165; i += 4) { 489 ic->ic_sup_channels[i].ich_freq = 490 ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 491 ic->ic_sup_channels[i].ich_flags = /* CHAN_A */ 492 IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM; 493 } 494 } 495 496 /* 497 * set supported .11b and .11g rates 498 */ 499 ic->ic_sup_rates[IEEE80211_MODE_11B] = ipw2200_rateset_11b; 500 ic->ic_sup_rates[IEEE80211_MODE_11G] = ipw2200_rateset_11g; 501 502 /* 503 * set supported .11b and .11g channels(1 through 14) 504 */ 505 for (i = 1; i < 14; i++) { 506 ic->ic_sup_channels[i].ich_freq = 507 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 508 ic->ic_sup_channels[i].ich_flags = 509 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 510 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 511 } 512 513 /* 514 * IBSS channal undefined for now 515 */ 516 ic->ic_ibss_chan = &ic->ic_sup_channels[0]; 517 ic->ic_xmit = ipw2200_send; 518 519 /* 520 * init generic layer, then override state transition machine 521 */ 522 ieee80211_attach(ic); 523 524 /* 525 * different instance has different WPA door 526 */ 527 ieee80211_register_door(ic, ddi_driver_name(dip), instance); 528 529 /* 530 * Override 80211 default routines 531 */ 532 ieee80211_media_init(ic); /* initial the node table and bss */ 533 sc->sc_newstate = ic->ic_newstate; 534 ic->ic_newstate = ipw2200_newstate; 535 ic->ic_def_txkey = 0; 536 sc->sc_authmode = IEEE80211_AUTH_OPEN; 537 538 /* 539 * Add the interrupt handler 540 */ 541 err = ddi_add_intr(dip, 0, &sc->sc_iblk, NULL, 542 ipw2200_intr, (caddr_t)sc); 543 if (err != DDI_SUCCESS) { 544 IPW2200_WARN((dip, CE_WARN, 545 "ipw2200_attach(): ddi_add_intr() failed\n")); 546 goto fail5; 547 } 548 549 /* 550 * Initialize pointer to device specific functions 551 */ 552 wd.wd_secalloc = WIFI_SEC_NONE; 553 wd.wd_opmode = ic->ic_opmode; 554 IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_bss->in_bssid); 555 556 macp = mac_alloc(MAC_VERSION); 557 if (err != 0) { 558 IPW2200_WARN((dip, CE_WARN, 559 "ipw2200_attach(): mac_alloc() failed\n")); 560 goto fail6; 561 } 562 563 macp->m_type_ident = MAC_PLUGIN_IDENT_WIFI; 564 macp->m_driver = sc; 565 macp->m_dip = dip; 566 macp->m_src_addr = ic->ic_macaddr; 567 macp->m_callbacks = &ipw2200_m_callbacks; 568 macp->m_min_sdu = 0; 569 macp->m_max_sdu = IEEE80211_MTU; 570 macp->m_pdata = &wd; 571 macp->m_pdata_size = sizeof (wd); 572 573 /* 574 * Register the macp to mac 575 */ 576 err = mac_register(macp, &ic->ic_mach); 577 mac_free(macp); 578 if (err != DDI_SUCCESS) { 579 IPW2200_WARN((dip, CE_WARN, 580 "ipw2200_attach(): mac_register() failed\n")); 581 goto fail6; 582 } 583 584 /* 585 * Create minor node of type DDI_NT_NET_WIFI 586 */ 587 (void) snprintf(strbuf, sizeof (strbuf), "%s%d", 588 IPW2200_DRV_NAME, instance); 589 err = ddi_create_minor_node(dip, strbuf, S_IFCHR, 590 instance + 1, DDI_NT_NET_WIFI, 0); 591 if (err != DDI_SUCCESS) 592 IPW2200_WARN((dip, CE_WARN, 593 "ipw2200_attach(): ddi_create_minor_node() failed\n")); 594 595 /* 596 * Cache firmware will always be true 597 */ 598 (void) ipw2200_cache_firmware(sc); 599 600 /* 601 * Notify link is down now 602 */ 603 mac_link_update(ic->ic_mach, LINK_STATE_DOWN); 604 605 /* 606 * Create the mf thread to handle the link status, 607 * recovery fatal error, etc. 608 */ 609 sc->sc_mfthread_switch = 1; 610 if (sc->sc_mf_thread == NULL) 611 sc->sc_mf_thread = thread_create((caddr_t)NULL, 0, 612 ipw2200_thread, sc, 0, &p0, TS_RUN, minclsyspri); 613 614 return (DDI_SUCCESS); 615 616 fail6: 617 ddi_remove_intr(dip, 0, sc->sc_iblk); 618 fail5: 619 ieee80211_detach(ic); 620 621 mutex_destroy(&sc->sc_ilock); 622 mutex_destroy(&sc->sc_cmd_lock); 623 mutex_destroy(&sc->sc_tx_lock); 624 mutex_destroy(&sc->sc_mflock); 625 mutex_destroy(&sc->sc_resched_lock); 626 cv_destroy(&sc->sc_fw_cond); 627 cv_destroy(&sc->sc_cmd_status_cond); 628 cv_destroy(&sc->sc_cmd_cond); 629 cv_destroy(&sc->sc_mfthread_cv); 630 fail4: 631 ipw2200_ring_free(sc); 632 fail3: 633 ddi_regs_map_free(&sc->sc_ioh); 634 fail2: 635 ddi_soft_state_free(ipw2200_ssp, instance); 636 fail1: 637 return (err); 638 } 639 640 641 int 642 ipw2200_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 643 { 644 struct ipw2200_softc *sc; 645 int err; 646 647 sc = ddi_get_soft_state(ipw2200_ssp, ddi_get_instance(dip)); 648 ASSERT(sc != NULL); 649 650 switch (cmd) { 651 case DDI_DETACH: 652 break; 653 case DDI_SUSPEND: 654 if (sc->sc_flags & IPW2200_FLAG_RUNNING) { 655 ipw2200_stop(sc); 656 } 657 sc->sc_flags |= IPW2200_FLAG_SUSPEND; 658 659 IPW2200_DBG(IPW2200_DBG_SUSPEND, (sc->sc_dip, CE_CONT, 660 "ipw2200_detach(): suspend\n")); 661 return (DDI_SUCCESS); 662 default: 663 return (DDI_FAILURE); 664 } 665 666 err = mac_disable(sc->sc_ic.ic_mach); 667 if (err != DDI_SUCCESS) 668 return (err); 669 670 ipw2200_stop(sc); 671 672 /* 673 * Destroy the mf_thread 674 */ 675 mutex_enter(&sc->sc_mflock); 676 sc->sc_mfthread_switch = 0; 677 while (sc->sc_mf_thread != NULL) { 678 if (cv_wait_sig(&sc->sc_mfthread_cv, &sc->sc_mflock) == 0) 679 break; 680 } 681 mutex_exit(&sc->sc_mflock); 682 683 /* 684 * Unregister from the MAC layer subsystem 685 */ 686 (void) mac_unregister(sc->sc_ic.ic_mach); 687 688 ddi_remove_intr(dip, IPW2200_PCI_INTR_NUM, sc->sc_iblk); 689 690 mutex_destroy(&sc->sc_ilock); 691 mutex_destroy(&sc->sc_cmd_lock); 692 mutex_destroy(&sc->sc_tx_lock); 693 mutex_destroy(&sc->sc_mflock); 694 mutex_destroy(&sc->sc_resched_lock); 695 cv_destroy(&sc->sc_fw_cond); 696 cv_destroy(&sc->sc_cmd_status_cond); 697 cv_destroy(&sc->sc_cmd_cond); 698 cv_destroy(&sc->sc_mfthread_cv); 699 700 /* 701 * Detach ieee80211 702 */ 703 ieee80211_detach(&sc->sc_ic); 704 705 (void) ipw2200_free_firmware(sc); 706 ipw2200_ring_free(sc); 707 708 ddi_regs_map_free(&sc->sc_ioh); 709 ddi_remove_minor_node(dip, NULL); 710 ddi_soft_state_free(ipw2200_ssp, ddi_get_instance(dip)); 711 712 return (DDI_SUCCESS); 713 } 714 715 /* ARGSUSED */ 716 int 717 ipw2200_reset(dev_info_t *dip, ddi_reset_cmd_t cmd) 718 { 719 struct ipw2200_softc *sc = 720 ddi_get_soft_state(ipw2200_ssp, ddi_get_instance(dip)); 721 ASSERT(sc != NULL); 722 723 ipw2200_stop(sc); 724 725 return (DDI_SUCCESS); 726 } 727 728 static void 729 ipw2200_stop(struct ipw2200_softc *sc) 730 { 731 struct ieee80211com *ic = &sc->sc_ic; 732 733 IPW2200_DBG(IPW2200_DBG_HWCAP, (sc->sc_dip, CE_CONT, 734 "ipw2200_stop(): enter\n")); 735 736 ipw2200_master_stop(sc); 737 ipw2200_csr_put32(sc, IPW2200_CSR_RST, IPW2200_RST_SW_RESET); 738 739 /* 740 * Reset ring 741 */ 742 ipw2200_ring_reset(sc); 743 744 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 745 sc->sc_flags &= ~IPW2200_FLAG_SCANNING; 746 sc->sc_flags &= ~IPW2200_FLAG_ASSOCIATED; 747 748 IPW2200_DBG(IPW2200_DBG_HWCAP, (sc->sc_dip, CE_CONT, 749 "ipw2200_stop(): exit\n")); 750 } 751 752 static int 753 ipw2200_config(struct ipw2200_softc *sc) 754 { 755 struct ieee80211com *ic = &sc->sc_ic; 756 struct ipw2200_configuration cfg; 757 uint32_t data; 758 struct ipw2200_txpower pwr; 759 struct ipw2200_rateset rs; 760 struct ipw2200_wep_key wkey; 761 int err, i; 762 763 /* 764 * Set the IBSS mode channel: Tx power 765 */ 766 if (ic->ic_opmode == IEEE80211_M_IBSS) { 767 pwr.mode = IPW2200_MODE_11B; 768 pwr.nchan = 11; 769 for (i = 0; i < pwr.nchan; i++) { 770 pwr.chan[i].chan = i + 1; 771 pwr.chan[i].power = IPW2200_TXPOWER_MAX; 772 } 773 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 774 "ipw2200_config(): Setting .11b channels Tx power\n")); 775 err = ipw2200_cmd(sc, IPW2200_CMD_SET_TX_POWER, 776 &pwr, sizeof (pwr), 0); 777 if (err != DDI_SUCCESS) 778 return (err); 779 780 pwr.mode = IPW2200_MODE_11G; 781 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 782 "ipw2200_config(): Setting .11g channels Tx power\n")); 783 err = ipw2200_cmd(sc, IPW2200_CMD_SET_TX_POWER, 784 &pwr, sizeof (pwr), 0); 785 if (err != DDI_SUCCESS) 786 return (err); 787 } 788 789 /* 790 * Set MAC address 791 */ 792 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 793 "ipw2200_config(): Setting MAC address to " 794 "%02x:%02x:%02x:%02x:%02x:%02x\n", 795 ic->ic_macaddr[0], ic->ic_macaddr[1], ic->ic_macaddr[2], 796 ic->ic_macaddr[3], ic->ic_macaddr[4], ic->ic_macaddr[5])); 797 err = ipw2200_cmd(sc, IPW2200_CMD_SET_MAC_ADDRESS, ic->ic_macaddr, 798 IEEE80211_ADDR_LEN, 0); 799 if (err != DDI_SUCCESS) 800 return (err); 801 802 /* 803 * Set basic system config settings: configuration(capabilities) 804 */ 805 (void) memset(&cfg, 0, sizeof (cfg)); 806 cfg.bluetooth_coexistence = 1; 807 cfg.multicast_enabled = 1; 808 cfg.answer_pbreq = 1; 809 cfg.noise_reported = 1; 810 cfg.disable_multicast_decryption = 1; /* WPA */ 811 cfg.disable_unicast_decryption = 1; /* WPA */ 812 813 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 814 "ipw2200_config(): Configuring adapter\n")); 815 err = ipw2200_cmd(sc, IPW2200_CMD_SET_CONFIG, 816 &cfg, sizeof (cfg), 0); 817 if (err != DDI_SUCCESS) 818 return (err); 819 820 /* 821 * Set power mode 822 */ 823 data = LE_32(IPW2200_POWER_MODE_CAM); 824 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 825 "ipw2200_config(): Setting power mode to %u\n", LE_32(data))); 826 err = ipw2200_cmd(sc, IPW2200_CMD_SET_POWER_MODE, 827 &data, sizeof (data), 0); 828 if (err != DDI_SUCCESS) 829 return (err); 830 831 /* 832 * Set supported rates 833 */ 834 rs.mode = IPW2200_MODE_11G; 835 rs.type = IPW2200_RATESET_TYPE_SUPPORTED; 836 rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11G].ir_nrates; 837 (void) memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11G].ir_rates, 838 rs.nrates); 839 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 840 "ipw2200_config(): Setting .11g supported rates(%u)\n", rs.nrates)); 841 err = ipw2200_cmd(sc, IPW2200_CMD_SET_RATES, &rs, sizeof (rs), 0); 842 if (err != DDI_SUCCESS) 843 return (err); 844 845 rs.mode = IPW2200_MODE_11A; 846 rs.type = IPW2200_RATESET_TYPE_SUPPORTED; 847 rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11A].ir_nrates; 848 (void) memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11A].ir_rates, 849 rs.nrates); 850 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 851 "ipw2200_config(): Setting .11a supported rates(%u)\n", rs.nrates)); 852 err = ipw2200_cmd(sc, IPW2200_CMD_SET_RATES, &rs, sizeof (rs), 0); 853 if (err != DDI_SUCCESS) 854 return (err); 855 856 /* 857 * Set RTS(request-to-send) threshold 858 */ 859 data = LE_32(ic->ic_rtsthreshold); 860 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 861 "ipw2200_config(): Setting RTS threshold to %u\n", LE_32(data))); 862 err = ipw2200_cmd(sc, IPW2200_CMD_SET_RTS_THRESHOLD, &data, 863 sizeof (data), 0); 864 if (err != DDI_SUCCESS) 865 return (err); 866 867 /* 868 * Set fragmentation threshold 869 */ 870 data = LE_32(ic->ic_fragthreshold); 871 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 872 "ipw2200_config(): Setting fragmentation threshold to %u\n", 873 LE_32(data))); 874 err = ipw2200_cmd(sc, IPW2200_CMD_SET_FRAG_THRESHOLD, &data, 875 sizeof (data), 0); 876 if (err != DDI_SUCCESS) 877 return (err); 878 879 /* 880 * Set desired ESSID if we have 881 */ 882 if (ic->ic_des_esslen != 0) { 883 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 884 "ipw2200_config(): Setting desired ESSID to " 885 "(%u),%c%c%c%c%c%c%c%c\n", 886 ic->ic_des_esslen, 887 ic->ic_des_essid[0], ic->ic_des_essid[1], 888 ic->ic_des_essid[2], ic->ic_des_essid[3], 889 ic->ic_des_essid[4], ic->ic_des_essid[5], 890 ic->ic_des_essid[6], ic->ic_des_essid[7])); 891 err = ipw2200_cmd(sc, IPW2200_CMD_SET_ESSID, ic->ic_des_essid, 892 ic->ic_des_esslen, 0); 893 if (err != DDI_SUCCESS) 894 return (err); 895 } 896 897 /* 898 * Set WEP initial vector(random seed) 899 */ 900 (void) random_get_pseudo_bytes((uint8_t *)&data, sizeof (data)); 901 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 902 "ipw2200_config(): Setting initialization vector to %u\n", 903 LE_32(data))); 904 err = ipw2200_cmd(sc, IPW2200_CMD_SET_IV, &data, sizeof (data), 0); 905 if (err != DDI_SUCCESS) 906 return (err); 907 908 /* 909 * Set WEP if any 910 */ 911 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 912 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 913 "ipw2200_config(): Setting Wep Key\n", LE_32(data))); 914 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 915 wkey.cmd = IPW2200_WEP_KEY_CMD_SETKEY; 916 wkey.idx = (uint8_t)i; 917 wkey.len = ic->ic_nw_keys[i].wk_keylen; 918 (void) memset(wkey.key, 0, sizeof (wkey.key)); 919 if (ic->ic_nw_keys[i].wk_keylen) 920 (void) memcpy(wkey.key, 921 ic->ic_nw_keys[i].wk_key, 922 ic->ic_nw_keys[i].wk_keylen); 923 err = ipw2200_cmd(sc, IPW2200_CMD_SET_WEP_KEY, 924 &wkey, sizeof (wkey), 0); 925 if (err != DDI_SUCCESS) 926 return (err); 927 } 928 } 929 930 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 931 "ipw2200_config(): Enabling adapter\n")); 932 933 return (ipw2200_cmd(sc, IPW2200_CMD_ENABLE, NULL, 0, 0)); 934 } 935 936 static int 937 ipw2200_cmd(struct ipw2200_softc *sc, 938 uint32_t type, void *buf, size_t len, int async) 939 { 940 struct ipw2200_cmd_desc *cmd; 941 clock_t clk; 942 uint32_t idx; 943 944 mutex_enter(&sc->sc_cmd_lock); 945 while (sc->sc_cmd_free < 1) 946 cv_wait(&sc->sc_cmd_cond, &sc->sc_cmd_lock); 947 948 idx = sc->sc_cmd_cur; 949 cmd = &sc->sc_cmdsc[idx]; 950 (void) memset(cmd, 0, sizeof (*cmd)); 951 952 IPW2200_DBG(IPW2200_DBG_RING, (sc->sc_dip, CE_CONT, 953 "ipw2200_cmd(): cmd-cur=%d\n", idx)); 954 955 cmd->hdr.type = IPW2200_HDR_TYPE_COMMAND; 956 cmd->hdr.flags = IPW2200_HDR_FLAG_IRQ; 957 cmd->type = (uint8_t)type; 958 if (len == 0 || buf == NULL) 959 cmd->len = 0; 960 else { 961 cmd->len = (uint8_t)len; 962 (void) memcpy(cmd->data, buf, len); 963 } 964 sc->sc_done[idx] = 0; 965 966 /* 967 * DMA sync 968 */ 969 (void) ddi_dma_sync(sc->sc_dma_cmdsc.dr_hnd, 970 idx * sizeof (struct ipw2200_cmd_desc), 971 sizeof (struct ipw2200_cmd_desc), DDI_DMA_SYNC_FORDEV); 972 973 sc->sc_cmd_cur = RING_FORWARD(sc->sc_cmd_cur, 1, IPW2200_CMD_RING_SIZE); 974 sc->sc_cmd_free--; 975 976 ipw2200_csr_put32(sc, IPW2200_CSR_CMD_WRITE_INDEX, sc->sc_cmd_cur); 977 978 mutex_exit(&sc->sc_cmd_lock); 979 980 if (async) 981 goto out; 982 983 /* 984 * Wait for command done 985 */ 986 mutex_enter(&sc->sc_ilock); 987 while (sc->sc_done[idx] == 0) { 988 /* pending */ 989 clk = ddi_get_lbolt() + drv_usectohz(5000000); /* 5 second */ 990 if (cv_timedwait(&sc->sc_cmd_status_cond, &sc->sc_ilock, clk) 991 < 0) 992 break; 993 } 994 mutex_exit(&sc->sc_ilock); 995 996 IPW2200_DBG(IPW2200_DBG_RING, (sc->sc_dip, CE_CONT, 997 "ipw2200_cmd(): cmd-done=%s\n", sc->sc_done[idx] ? "yes" : "no")); 998 999 if (sc->sc_done[idx] == 0) 1000 return (DDI_FAILURE); 1001 1002 out: 1003 return (DDI_SUCCESS); 1004 } 1005 1006 /* 1007 * If init failed, it will call stop internally. Therefore, it's unnecessary 1008 * to call ipw2200_stop() when this subroutine is failed. Otherwise, it may 1009 * be called twice. 1010 */ 1011 int 1012 ipw2200_init(struct ipw2200_softc *sc) 1013 { 1014 int err; 1015 1016 /* 1017 * No firmware is available, failed 1018 */ 1019 if (!(sc->sc_flags & IPW2200_FLAG_FW_CACHED)) { 1020 IPW2200_WARN((sc->sc_dip, CE_WARN, 1021 "ipw2200_init(): no firmware is available\n")); 1022 return (DDI_FAILURE); /* return directly */ 1023 } 1024 1025 ipw2200_stop(sc); 1026 1027 err = ipw2200_chip_reset(sc); 1028 if (err != DDI_SUCCESS) { 1029 IPW2200_WARN((sc->sc_dip, CE_WARN, 1030 "ipw2200_init(): could not reset adapter\n")); 1031 goto fail; 1032 } 1033 1034 /* 1035 * Load boot code 1036 */ 1037 err = ipw2200_load_fw(sc, sc->sc_fw.boot_base, sc->sc_fw.boot_size); 1038 if (err != DDI_SUCCESS) { 1039 IPW2200_WARN((sc->sc_dip, CE_WARN, 1040 "ipw2200_init(): could not load boot code\n")); 1041 goto fail; 1042 } 1043 1044 /* 1045 * Load boot microcode 1046 */ 1047 err = ipw2200_load_uc(sc, sc->sc_fw.uc_base, sc->sc_fw.uc_size); 1048 if (err != DDI_SUCCESS) { 1049 IPW2200_WARN((sc->sc_dip, CE_WARN, 1050 "ipw2200_init(): could not load microcode\n")); 1051 goto fail; 1052 } 1053 1054 ipw2200_master_stop(sc); 1055 ipw2200_ring_hwsetup(sc); 1056 1057 /* 1058 * Load firmware 1059 */ 1060 err = ipw2200_load_fw(sc, sc->sc_fw.fw_base, sc->sc_fw.fw_size); 1061 if (err != DDI_SUCCESS) { 1062 IPW2200_WARN((sc->sc_dip, CE_WARN, 1063 "ipw2200_init(): could not load firmware\n")); 1064 goto fail; 1065 } 1066 1067 sc->sc_flags |= IPW2200_FLAG_FW_INITED; 1068 1069 /* 1070 * Hardware will be enabled after configuration 1071 */ 1072 err = ipw2200_config(sc); 1073 if (err != DDI_SUCCESS) { 1074 IPW2200_WARN((sc->sc_dip, CE_WARN, 1075 "ipw2200_init(): device configuration failed\n")); 1076 goto fail; 1077 } 1078 1079 /* 1080 * workround to prevent too many h/w error. 1081 * delay for a while till h/w is stable. 1082 */ 1083 delay(drv_usectohz(delay_config_stable)); 1084 1085 return (DDI_SUCCESS); /* return successfully */ 1086 fail: 1087 ipw2200_stop(sc); 1088 return (err); 1089 } 1090 1091 /* 1092 * get hardware configurations from EEPROM embedded within PRO/2200 1093 */ 1094 static void 1095 ipw2200_hwconf_get(struct ipw2200_softc *sc) 1096 { 1097 int i; 1098 uint16_t val; 1099 1100 /* 1101 * Get mac address 1102 */ 1103 i = 0; 1104 val = ipw2200_rom_get16(sc, IPW2200_EEPROM_MAC + 0); 1105 sc->sc_macaddr[i++] = val >> 8; 1106 sc->sc_macaddr[i++] = val & 0xff; 1107 val = ipw2200_rom_get16(sc, IPW2200_EEPROM_MAC + 1); 1108 sc->sc_macaddr[i++] = val >> 8; 1109 sc->sc_macaddr[i++] = val & 0xff; 1110 val = ipw2200_rom_get16(sc, IPW2200_EEPROM_MAC + 2); 1111 sc->sc_macaddr[i++] = val >> 8; 1112 sc->sc_macaddr[i++] = val & 0xff; 1113 1114 /* 1115 * formatted MAC address string 1116 */ 1117 (void) snprintf(sc->sc_macstr, sizeof (sc->sc_macstr), 1118 "%02x:%02x:%02x:%02x:%02x:%02x", 1119 sc->sc_macaddr[0], sc->sc_macaddr[1], 1120 sc->sc_macaddr[2], sc->sc_macaddr[3], 1121 sc->sc_macaddr[4], sc->sc_macaddr[5]); 1122 1123 } 1124 1125 /* 1126 * all ipw2200 interrupts will be masked by this routine 1127 */ 1128 static void 1129 ipw2200_master_stop(struct ipw2200_softc *sc) 1130 { 1131 int ntries; 1132 1133 /* 1134 * disable interrupts 1135 */ 1136 ipw2200_csr_put32(sc, IPW2200_CSR_INTR_MASK, 0); 1137 ipw2200_csr_put32(sc, IPW2200_CSR_RST, IPW2200_RST_STOP_MASTER); 1138 1139 /* 1140 * wait long enough to ensure hardware stop successfully. 1141 */ 1142 for (ntries = 0; ntries < 500; ntries++) { 1143 if (ipw2200_csr_get32(sc, IPW2200_CSR_RST) & 1144 IPW2200_RST_MASTER_DISABLED) 1145 break; 1146 /* wait for a while */ 1147 drv_usecwait(100); 1148 } 1149 if (ntries == 500) 1150 IPW2200_WARN((sc->sc_dip, CE_WARN, 1151 "ipw2200_master_stop(): timeout\n")); 1152 1153 ipw2200_csr_put32(sc, IPW2200_CSR_RST, 1154 IPW2200_RST_PRINCETON_RESET | 1155 ipw2200_csr_get32(sc, IPW2200_CSR_RST)); 1156 1157 sc->sc_flags &= ~IPW2200_FLAG_FW_INITED; 1158 } 1159 1160 /* 1161 * all ipw2200 interrupts will be masked by this routine 1162 */ 1163 static int 1164 ipw2200_chip_reset(struct ipw2200_softc *sc) 1165 { 1166 uint32_t tmp; 1167 int ntries, i; 1168 1169 ipw2200_master_stop(sc); 1170 1171 /* 1172 * Move adapter to DO state 1173 */ 1174 tmp = ipw2200_csr_get32(sc, IPW2200_CSR_CTL); 1175 ipw2200_csr_put32(sc, IPW2200_CSR_CTL, tmp | IPW2200_CTL_INIT); 1176 1177 /* 1178 * Initialize Phase-Locked Level (PLL) 1179 */ 1180 ipw2200_csr_put32(sc, IPW2200_CSR_READ_INT, IPW2200_READ_INT_INIT_HOST); 1181 1182 /* 1183 * Wait for clock stabilization 1184 */ 1185 for (ntries = 0; ntries < 1000; ntries++) { 1186 if (ipw2200_csr_get32(sc, IPW2200_CSR_CTL) & 1187 IPW2200_CTL_CLOCK_READY) 1188 break; 1189 drv_usecwait(200); 1190 } 1191 if (ntries == 1000) { 1192 IPW2200_WARN((sc->sc_dip, CE_WARN, 1193 "ipw2200_chip_reset(): timeout\n")); 1194 return (DDI_FAILURE); 1195 } 1196 1197 tmp = ipw2200_csr_get32(sc, IPW2200_CSR_RST); 1198 ipw2200_csr_put32(sc, IPW2200_CSR_RST, tmp | IPW2200_RST_SW_RESET); 1199 1200 drv_usecwait(10); 1201 1202 tmp = ipw2200_csr_get32(sc, IPW2200_CSR_CTL); 1203 ipw2200_csr_put32(sc, IPW2200_CSR_CTL, tmp | IPW2200_CTL_INIT); 1204 1205 /* 1206 * clear NIC memory 1207 */ 1208 ipw2200_csr_put32(sc, IPW2200_CSR_AUTOINC_ADDR, 0); 1209 for (i = 0; i < 0xc000; i++) 1210 ipw2200_csr_put32(sc, IPW2200_CSR_AUTOINC_DATA, 0); 1211 1212 return (DDI_SUCCESS); 1213 } 1214 1215 /* 1216 * This function is used by wificonfig/dladm to get the current 1217 * radio status, it is off/on 1218 */ 1219 int 1220 ipw2200_radio_status(struct ipw2200_softc *sc) 1221 { 1222 int val; 1223 1224 val = (ipw2200_csr_get32(sc, IPW2200_CSR_IO) & 1225 IPW2200_IO_RADIO_ENABLED) ? 1 : 0; 1226 1227 return (val); 1228 } 1229 /* 1230 * This function is used to get the statistic 1231 */ 1232 void 1233 ipw2200_get_statistics(struct ipw2200_softc *sc) 1234 { 1235 struct ieee80211com *ic = &sc->sc_ic; 1236 1237 uint32_t size, buf[128]; 1238 1239 if (!(sc->sc_flags & IPW2200_FLAG_FW_INITED)) { 1240 IPW2200_DBG(IPW2200_DBG_IOCTL, (sc->sc_dip, CE_CONT, 1241 "ipw2200_get_statistic(): fw doesn't download yet.")); 1242 return; 1243 } 1244 1245 size = min(ipw2200_csr_get32(sc, IPW2200_CSR_TABLE0_SIZE), 128 - 1); 1246 ipw2200_csr_getbuf32(sc, IPW2200_CSR_TABLE0_BASE, &buf[1], size); 1247 1248 /* 1249 * To retrieve the statistic information into proper places. There are 1250 * lot of information. These table will be read once a second. 1251 * Hopefully, it will not effect the performance. 1252 */ 1253 1254 /* 1255 * For the tx/crc information, we can get them from chip directly; 1256 * For the rx/wep error/(rts) related information, leave them net80211. 1257 */ 1258 /* WIFI_STAT_TX_FRAGS */ 1259 ic->ic_stats.is_tx_frags = (uint32_t)buf[5]; 1260 /* WIFI_STAT_MCAST_TX */ 1261 ic->ic_stats.is_tx_mcast = (uint32_t)buf[31]; 1262 /* WIFI_STAT_TX_RETRANS */ 1263 ic->ic_stats.is_tx_retries = (uint32_t)buf[56]; 1264 /* WIFI_STAT_TX_FAILED */ 1265 ic->ic_stats.is_tx_failed = (uint32_t)buf[57]; 1266 /* MAC_STAT_OBYTES */ 1267 ic->ic_stats.is_tx_bytes = (uint32_t)buf[64]; 1268 } 1269 1270 /* 1271 * DMA region alloc subroutine 1272 */ 1273 int 1274 ipw2200_dma_region_alloc(struct ipw2200_softc *sc, struct dma_region *dr, 1275 size_t size, uint_t dir, uint_t flags) 1276 { 1277 dev_info_t *dip = sc->sc_dip; 1278 int err; 1279 1280 IPW2200_DBG(IPW2200_DBG_DMA, (sc->sc_dip, CE_CONT, 1281 "ipw2200_dma_region_alloc(): size =%u\n", size)); 1282 1283 err = ddi_dma_alloc_handle(dip, &ipw2200_dma_attr, DDI_DMA_SLEEP, NULL, 1284 &dr->dr_hnd); 1285 if (err != DDI_SUCCESS) { 1286 IPW2200_DBG(IPW2200_DBG_DMA, (sc->sc_dip, CE_CONT, 1287 "ipw2200_dma_region_alloc(): " 1288 "ddi_dma_alloc_handle() failed\n")); 1289 goto fail0; 1290 } 1291 1292 err = ddi_dma_mem_alloc(dr->dr_hnd, size, &ipw2200_dma_accattr, 1293 flags, DDI_DMA_SLEEP, NULL, 1294 &dr->dr_base, &dr->dr_size, &dr->dr_acc); 1295 if (err != DDI_SUCCESS) { 1296 IPW2200_DBG(IPW2200_DBG_DMA, (sc->sc_dip, CE_CONT, 1297 "ipw2200_dma_region_alloc(): " 1298 "ddi_dma_mem_alloc() failed\n")); 1299 goto fail1; 1300 } 1301 1302 err = ddi_dma_addr_bind_handle(dr->dr_hnd, NULL, 1303 dr->dr_base, dr->dr_size, 1304 dir | flags, DDI_DMA_SLEEP, NULL, 1305 &dr->dr_cookie, &dr->dr_ccnt); 1306 if (err != DDI_DMA_MAPPED) { 1307 IPW2200_DBG(IPW2200_DBG_DMA, (sc->sc_dip, CE_CONT, 1308 "ipw2200_dma_region_alloc(): " 1309 "ddi_dma_addr_bind_handle() failed\n")); 1310 goto fail2; 1311 } 1312 1313 IPW2200_DBG(IPW2200_DBG_DMA, (sc->sc_dip, CE_CONT, 1314 "ipw2200_dma_region_alloc(): ccnt=%u\n", dr->dr_ccnt)); 1315 1316 if (dr->dr_ccnt != 1) { 1317 err = DDI_FAILURE; 1318 goto fail3; 1319 } 1320 1321 dr->dr_pbase = dr->dr_cookie.dmac_address; 1322 1323 IPW2200_DBG(IPW2200_DBG_DMA, (sc->sc_dip, CE_CONT, 1324 "ipw2200_dma_region_alloc(): get physical-base=0x%08x\n", 1325 dr->dr_pbase)); 1326 1327 return (DDI_SUCCESS); 1328 1329 fail3: 1330 (void) ddi_dma_unbind_handle(dr->dr_hnd); 1331 fail2: 1332 ddi_dma_mem_free(&dr->dr_acc); 1333 fail1: 1334 ddi_dma_free_handle(&dr->dr_hnd); 1335 fail0: 1336 return (err); 1337 } 1338 1339 void 1340 ipw2200_dma_region_free(struct dma_region *dr) 1341 { 1342 (void) ddi_dma_unbind_handle(dr->dr_hnd); 1343 ddi_dma_mem_free(&dr->dr_acc); 1344 ddi_dma_free_handle(&dr->dr_hnd); 1345 } 1346 1347 static int 1348 ipw2200_ring_alloc(struct ipw2200_softc *sc) 1349 { 1350 int err, i; 1351 1352 /* 1353 * tx desc ring 1354 */ 1355 sc->sc_dma_txdsc.dr_name = "ipw2200-tx-desc-ring"; 1356 err = ipw2200_dma_region_alloc(sc, &sc->sc_dma_txdsc, 1357 IPW2200_TX_RING_SIZE * sizeof (struct ipw2200_tx_desc), 1358 DDI_DMA_WRITE, DDI_DMA_CONSISTENT); 1359 if (err != DDI_SUCCESS) 1360 goto fail0; 1361 /* 1362 * tx buffer array 1363 */ 1364 for (i = 0; i < IPW2200_TX_RING_SIZE; i++) { 1365 sc->sc_dma_txbufs[i].dr_name = "ipw2200-tx-buf"; 1366 err = ipw2200_dma_region_alloc(sc, &sc->sc_dma_txbufs[i], 1367 IPW2200_TXBUF_SIZE, DDI_DMA_WRITE, DDI_DMA_STREAMING); 1368 if (err != DDI_SUCCESS) { 1369 while (i >= 0) { 1370 ipw2200_dma_region_free(&sc->sc_dma_txbufs[i]); 1371 i--; 1372 } 1373 goto fail1; 1374 } 1375 } 1376 /* 1377 * rx buffer array 1378 */ 1379 for (i = 0; i < IPW2200_RX_RING_SIZE; i++) { 1380 sc->sc_dma_rxbufs[i].dr_name = "ipw2200-rx-buf"; 1381 err = ipw2200_dma_region_alloc(sc, &sc->sc_dma_rxbufs[i], 1382 IPW2200_RXBUF_SIZE, DDI_DMA_READ, DDI_DMA_STREAMING); 1383 if (err != DDI_SUCCESS) { 1384 while (i >= 0) { 1385 ipw2200_dma_region_free(&sc->sc_dma_rxbufs[i]); 1386 i--; 1387 } 1388 goto fail2; 1389 } 1390 } 1391 /* 1392 * cmd desc ring 1393 */ 1394 sc->sc_dma_cmdsc.dr_name = "ipw2200-cmd-desc-ring"; 1395 err = ipw2200_dma_region_alloc(sc, &sc->sc_dma_cmdsc, 1396 IPW2200_CMD_RING_SIZE * sizeof (struct ipw2200_cmd_desc), 1397 DDI_DMA_WRITE, DDI_DMA_CONSISTENT); 1398 if (err != DDI_SUCCESS) 1399 goto fail3; 1400 1401 return (DDI_SUCCESS); 1402 1403 fail3: 1404 for (i = 0; i < IPW2200_RX_RING_SIZE; i++) 1405 ipw2200_dma_region_free(&sc->sc_dma_rxbufs[i]); 1406 fail2: 1407 for (i = 0; i < IPW2200_TX_RING_SIZE; i++) 1408 ipw2200_dma_region_free(&sc->sc_dma_txbufs[i]); 1409 fail1: 1410 ipw2200_dma_region_free(&sc->sc_dma_txdsc); 1411 fail0: 1412 return (err); 1413 } 1414 1415 static void 1416 ipw2200_ring_free(struct ipw2200_softc *sc) 1417 { 1418 int i; 1419 1420 /* 1421 * tx ring desc 1422 */ 1423 ipw2200_dma_region_free(&sc->sc_dma_txdsc); 1424 /* 1425 * tx buf 1426 */ 1427 for (i = 0; i < IPW2200_TX_RING_SIZE; i++) 1428 ipw2200_dma_region_free(&sc->sc_dma_txbufs[i]); 1429 /* 1430 * rx buf 1431 */ 1432 for (i = 0; i < IPW2200_RX_RING_SIZE; i++) 1433 ipw2200_dma_region_free(&sc->sc_dma_rxbufs[i]); 1434 /* 1435 * command ring desc 1436 */ 1437 ipw2200_dma_region_free(&sc->sc_dma_cmdsc); 1438 } 1439 1440 static void 1441 ipw2200_ring_reset(struct ipw2200_softc *sc) 1442 { 1443 int i; 1444 1445 /* 1446 * tx desc ring & buffer array 1447 */ 1448 sc->sc_tx_cur = 0; 1449 sc->sc_tx_free = IPW2200_TX_RING_SIZE; 1450 sc->sc_txdsc = (struct ipw2200_tx_desc *)sc->sc_dma_txdsc.dr_base; 1451 for (i = 0; i < IPW2200_TX_RING_SIZE; i++) 1452 sc->sc_txbufs[i] = (uint8_t *)sc->sc_dma_txbufs[i].dr_base; 1453 /* 1454 * rx buffer array 1455 */ 1456 sc->sc_rx_cur = 0; 1457 sc->sc_rx_free = IPW2200_RX_RING_SIZE; 1458 for (i = 0; i < IPW2200_RX_RING_SIZE; i++) 1459 sc->sc_rxbufs[i] = (uint8_t *)sc->sc_dma_rxbufs[i].dr_base; 1460 1461 /* 1462 * command desc ring 1463 */ 1464 sc->sc_cmd_cur = 0; 1465 sc->sc_cmd_free = IPW2200_CMD_RING_SIZE; 1466 sc->sc_cmdsc = (struct ipw2200_cmd_desc *)sc->sc_dma_cmdsc.dr_base; 1467 } 1468 1469 /* 1470 * tx, rx rings and command initialization 1471 */ 1472 static int 1473 ipw2200_ring_init(struct ipw2200_softc *sc) 1474 { 1475 int err; 1476 1477 err = ipw2200_ring_alloc(sc); 1478 if (err != DDI_SUCCESS) 1479 return (err); 1480 1481 ipw2200_ring_reset(sc); 1482 1483 return (DDI_SUCCESS); 1484 } 1485 1486 static void 1487 ipw2200_ring_hwsetup(struct ipw2200_softc *sc) 1488 { 1489 int i; 1490 1491 /* 1492 * command desc ring 1493 */ 1494 ipw2200_csr_put32(sc, IPW2200_CSR_CMD_BASE, sc->sc_dma_cmdsc.dr_pbase); 1495 ipw2200_csr_put32(sc, IPW2200_CSR_CMD_SIZE, IPW2200_CMD_RING_SIZE); 1496 ipw2200_csr_put32(sc, IPW2200_CSR_CMD_WRITE_INDEX, sc->sc_cmd_cur); 1497 1498 /* 1499 * tx desc ring. only tx1 is used, tx2, tx3, and tx4 are unused 1500 */ 1501 ipw2200_csr_put32(sc, IPW2200_CSR_TX1_BASE, sc->sc_dma_txdsc.dr_pbase); 1502 ipw2200_csr_put32(sc, IPW2200_CSR_TX1_SIZE, IPW2200_TX_RING_SIZE); 1503 ipw2200_csr_put32(sc, IPW2200_CSR_TX1_WRITE_INDEX, sc->sc_tx_cur); 1504 1505 /* 1506 * tx2, tx3, tx4 is not used 1507 */ 1508 ipw2200_csr_put32(sc, IPW2200_CSR_TX2_BASE, sc->sc_dma_txdsc.dr_pbase); 1509 ipw2200_csr_put32(sc, IPW2200_CSR_TX2_SIZE, IPW2200_TX_RING_SIZE); 1510 ipw2200_csr_put32(sc, IPW2200_CSR_TX2_READ_INDEX, 0); 1511 ipw2200_csr_put32(sc, IPW2200_CSR_TX2_WRITE_INDEX, 0); 1512 ipw2200_csr_put32(sc, IPW2200_CSR_TX3_BASE, sc->sc_dma_txdsc.dr_pbase); 1513 ipw2200_csr_put32(sc, IPW2200_CSR_TX3_SIZE, IPW2200_TX_RING_SIZE); 1514 ipw2200_csr_put32(sc, IPW2200_CSR_TX3_READ_INDEX, 0); 1515 ipw2200_csr_put32(sc, IPW2200_CSR_TX3_WRITE_INDEX, 0); 1516 ipw2200_csr_put32(sc, IPW2200_CSR_TX4_BASE, sc->sc_dma_txdsc.dr_pbase); 1517 ipw2200_csr_put32(sc, IPW2200_CSR_TX4_SIZE, IPW2200_TX_RING_SIZE); 1518 ipw2200_csr_put32(sc, IPW2200_CSR_TX4_READ_INDEX, 0); 1519 ipw2200_csr_put32(sc, IPW2200_CSR_TX4_WRITE_INDEX, 0); 1520 1521 /* 1522 * rx buffer ring 1523 */ 1524 for (i = 0; i < IPW2200_RX_RING_SIZE; i++) 1525 ipw2200_csr_put32(sc, IPW2200_CSR_RX_BASE + i * 4, 1526 sc->sc_dma_rxbufs[i].dr_pbase); 1527 /* 1528 * all rx buffer are empty, rx-rd-index == 0 && rx-wr-index == N-1 1529 */ 1530 ipw2200_csr_put32(sc, IPW2200_CSR_RX_WRITE_INDEX, 1531 RING_BACKWARD(sc->sc_rx_cur, 1, IPW2200_RX_RING_SIZE)); 1532 } 1533 1534 int 1535 ipw2200_start_scan(struct ipw2200_softc *sc) 1536 { 1537 struct ieee80211com *ic = &sc->sc_ic; 1538 struct ipw2200_scan scan; 1539 uint8_t *ch; 1540 int cnt, i; 1541 1542 IPW2200_DBG(IPW2200_DBG_SCAN, (sc->sc_dip, CE_CONT, 1543 "ipw2200_start_scan(): start scanning \n")); 1544 1545 /* 1546 * start scanning 1547 */ 1548 sc->sc_flags |= IPW2200_FLAG_SCANNING; 1549 1550 (void) memset(&scan, 0, sizeof (scan)); 1551 scan.type = (ic->ic_des_esslen != 0) ? IPW2200_SCAN_TYPE_BDIRECTED : 1552 IPW2200_SCAN_TYPE_BROADCAST; 1553 scan.dwelltime = LE_16(40); /* The interval is set up to 40 */ 1554 1555 /* 1556 * Compact supported channel number(5G) into a single buffer 1557 */ 1558 ch = scan.channels; 1559 cnt = 0; 1560 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 1561 if (IEEE80211_IS_CHAN_5GHZ(&ic->ic_sup_channels[i]) && 1562 isset(ic->ic_chan_active, i)) { 1563 *++ch = (uint8_t)i; 1564 cnt++; 1565 } 1566 } 1567 *(ch - cnt) = IPW2200_CHAN_5GHZ | (uint8_t)cnt; 1568 ch = (cnt > 0) ? (ch + 1) : (scan.channels); 1569 1570 /* 1571 * Compact supported channel number(2G) into a single buffer 1572 */ 1573 cnt = 0; 1574 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 1575 if (IEEE80211_IS_CHAN_2GHZ(&ic->ic_sup_channels[i]) && 1576 isset(ic->ic_chan_active, i)) { 1577 *++ch = (uint8_t)i; 1578 cnt++; 1579 } 1580 } 1581 *(ch - cnt) = IPW2200_CHAN_2GHZ | cnt; 1582 1583 return (ipw2200_cmd(sc, IPW2200_CMD_SCAN, &scan, sizeof (scan), 1)); 1584 } 1585 1586 int 1587 ipw2200_auth_and_assoc(struct ipw2200_softc *sc) 1588 { 1589 struct ieee80211com *ic = &sc->sc_ic; 1590 struct ieee80211_node *in = ic->ic_bss; 1591 struct ipw2200_configuration cfg; 1592 struct ipw2200_rateset rs; 1593 struct ipw2200_associate assoc; 1594 uint32_t data; 1595 int err; 1596 uint8_t *wpa_level; 1597 1598 if (sc->sc_flags & IPW2200_FLAG_ASSOCIATED) { 1599 /* already associated */ 1600 return (-1); 1601 } 1602 1603 /* 1604 * set the confiuration 1605 */ 1606 if (IEEE80211_IS_CHAN_2GHZ(in->in_chan)) { 1607 /* enable b/g auto-detection */ 1608 (void) memset(&cfg, 0, sizeof (cfg)); 1609 cfg.bluetooth_coexistence = 1; 1610 cfg.multicast_enabled = 1; 1611 cfg.use_protection = 1; 1612 cfg.answer_pbreq = 1; 1613 cfg.noise_reported = 1; 1614 cfg.disable_multicast_decryption = 1; /* WPA */ 1615 cfg.disable_unicast_decryption = 1; /* WPA */ 1616 err = ipw2200_cmd(sc, IPW2200_CMD_SET_CONFIG, 1617 &cfg, sizeof (cfg), 1); 1618 if (err != DDI_SUCCESS) 1619 return (err); 1620 } 1621 1622 /* 1623 * set the essid, may be null/hidden AP 1624 */ 1625 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 1626 "ipw2200_auth_and_assoc(): " 1627 "setting ESSID to(%u),%c%c%c%c%c%c%c%c\n", 1628 in->in_esslen, 1629 in->in_essid[0], in->in_essid[1], 1630 in->in_essid[2], in->in_essid[3], 1631 in->in_essid[4], in->in_essid[5], 1632 in->in_essid[6], in->in_essid[7])); 1633 err = ipw2200_cmd(sc, IPW2200_CMD_SET_ESSID, in->in_essid, 1634 in->in_esslen, 1); 1635 if (err != DDI_SUCCESS) 1636 return (err); 1637 1638 /* 1639 * set the rate: the rate set has already been ''negocitated'' 1640 */ 1641 rs.mode = IEEE80211_IS_CHAN_5GHZ(in->in_chan) ? 1642 IPW2200_MODE_11A : IPW2200_MODE_11G; 1643 rs.type = IPW2200_RATESET_TYPE_NEGOCIATED; 1644 rs.nrates = in->in_rates.ir_nrates; 1645 (void) memcpy(rs.rates, in->in_rates.ir_rates, in->in_rates.ir_nrates); 1646 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 1647 "ipw2200_auth_and_assoc(): " 1648 "setting negotiated rates to(nrates = %u)\n", rs.nrates)); 1649 err = ipw2200_cmd(sc, IPW2200_CMD_SET_RATES, &rs, sizeof (rs), 1); 1650 if (err != DDI_SUCCESS) 1651 return (err); 1652 1653 /* 1654 * invoke command associate 1655 */ 1656 (void) memset(&assoc, 0, sizeof (assoc)); 1657 1658 /* 1659 * set opt_ie to h/w if associated is WPA, opt_ie has been verified 1660 * by net80211 kernel module. 1661 */ 1662 if (ic->ic_opt_ie != NULL) { 1663 1664 wpa_level = (uint8_t *)ic->ic_opt_ie; 1665 1666 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 1667 "ipw2200_auth_and_assoc(): " 1668 "set wpa_ie and wpa_ie_len to h/w. " 1669 "length is %d\n" 1670 "opt_ie[0] = %02X - element vendor\n" 1671 "opt_ie[1] = %02X - length\n" 1672 "opt_ie[2,3,4] = %02X %02X %02X - oui\n" 1673 "opt_ie[5] = %02X - oui type\n" 1674 "opt_ie[6,7] = %02X %02X - spec version \n" 1675 "opt_ie[8,9,10,11] = %02X %02X %02X %02X - gk cipher\n" 1676 "opt_ie[12,13] = %02X %02X - pairwise key cipher(1)\n" 1677 "opt_ie[14,15,16,17] = %02X %02X %02X %02X - ciphers\n" 1678 "opt_ie[18,19] = %02X %02X - authselcont(1) \n" 1679 "opt_ie[20,21,22,23] = %02X %02X %02X %02X - authsels\n", 1680 wpa_level[1], wpa_level[0], wpa_level[1], 1681 wpa_level[2], wpa_level[3], wpa_level[4], 1682 wpa_level[5], wpa_level[6], wpa_level[7], 1683 wpa_level[8], wpa_level[9], wpa_level[10], 1684 wpa_level[11], wpa_level[12], wpa_level[13], 1685 wpa_level[14], wpa_level[15], wpa_level[16], 1686 wpa_level[17], wpa_level[18], wpa_level[19], 1687 wpa_level[20], wpa_level[21], wpa_level[22], 1688 wpa_level[23])); 1689 1690 err = ipw2200_cmd(sc, IPW2200_CMD_SET_OPTIE, 1691 ic->ic_opt_ie, ic->ic_opt_ie_len, 1); 1692 if (err != DDI_SUCCESS) 1693 return (err); 1694 } 1695 1696 /* 1697 * set the sensitive 1698 */ 1699 data = LE_32(in->in_rssi); 1700 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 1701 "ipw2200_auth_and_assoc(): " 1702 "setting sensitivity to rssi:(%u)\n", (uint8_t)in->in_rssi)); 1703 err = ipw2200_cmd(sc, IPW2200_CMD_SET_SENSITIVITY, 1704 &data, sizeof (data), 1); 1705 if (err != DDI_SUCCESS) 1706 return (err); 1707 1708 /* 1709 * set mode and channel for assocation command 1710 */ 1711 assoc.mode = IEEE80211_IS_CHAN_5GHZ(in->in_chan) ? 1712 IPW2200_MODE_11A : IPW2200_MODE_11G; 1713 assoc.chan = ieee80211_chan2ieee(ic, in->in_chan); 1714 1715 /* 1716 * use the value set to ic_bss to retraive current sharedmode 1717 */ 1718 if (ic->ic_bss->in_authmode == WL_SHAREDKEY) { 1719 assoc.auth = (ic->ic_def_txkey << 4) | IPW2200_AUTH_SHARED; 1720 IPW2200_DBG(IPW2200_DBG_IOCTL, (sc->sc_dip, CE_CONT, 1721 "ipw2200_auth_and_assoc(): " 1722 "associate to shared key mode, set thru. ioctl")); 1723 } 1724 1725 if (ic->ic_flags & IEEE80211_F_WPA) 1726 assoc.policy = LE_16(IPW2200_POLICY_WPA); /* RSN/WPA active */ 1727 (void) memcpy(assoc.tstamp, in->in_tstamp.data, 8); 1728 assoc.capinfo = LE_16(in->in_capinfo); 1729 assoc.lintval = LE_16(ic->ic_lintval); 1730 assoc.intval = LE_16(in->in_intval); 1731 IEEE80211_ADDR_COPY(assoc.bssid, in->in_bssid); 1732 if (ic->ic_opmode == IEEE80211_M_IBSS) 1733 IEEE80211_ADDR_COPY(assoc.dst, ipw2200_broadcast_addr); 1734 else 1735 IEEE80211_ADDR_COPY(assoc.dst, in->in_bssid); 1736 1737 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 1738 "ipw2200_auth_and_assoc(): " 1739 "associate to bssid(%2x:%2x:%2x:%2x:%2x:%2x:), " 1740 "chan(%u), auth(%u)\n", 1741 assoc.bssid[0], assoc.bssid[1], assoc.bssid[2], 1742 assoc.bssid[3], assoc.bssid[4], assoc.bssid[5], 1743 assoc.chan, assoc.auth)); 1744 return (ipw2200_cmd(sc, IPW2200_CMD_ASSOCIATE, 1745 &assoc, sizeof (assoc), 1)); 1746 } 1747 1748 /* 1749 * Send the dis-association command to h/w, will receive notification to claim 1750 * the connection is dis-associated. So, it's not marked as disassociated this 1751 * moment. 1752 */ 1753 static int 1754 ipw2200_disassoc(struct ipw2200_softc *sc) 1755 { 1756 struct ipw2200_associate assoc; 1757 assoc.type = 2; 1758 return (ipw2200_cmd(sc, IPW2200_CMD_ASSOCIATE, &assoc, 1759 sizeof (assoc), 1)); 1760 } 1761 1762 /* ARGSUSED */ 1763 static int 1764 ipw2200_newstate(struct ieee80211com *ic, enum ieee80211_state state, int arg) 1765 { 1766 struct ipw2200_softc *sc = (struct ipw2200_softc *)ic; 1767 wifi_data_t wd = { 0 }; 1768 1769 switch (state) { 1770 case IEEE80211_S_SCAN: 1771 if (!(sc->sc_flags & IPW2200_FLAG_SCANNING)) { 1772 ic->ic_flags |= IEEE80211_F_SCAN | IEEE80211_F_ASCAN; 1773 (void) ipw2200_start_scan(sc); 1774 } 1775 break; 1776 case IEEE80211_S_AUTH: 1777 /* 1778 * The firmware will fail if we are already associated 1779 */ 1780 if (sc->sc_flags & IPW2200_FLAG_ASSOCIATED) 1781 (void) ipw2200_disassoc(sc); 1782 (void) ipw2200_auth_and_assoc(sc); 1783 break; 1784 case IEEE80211_S_RUN: 1785 /* 1786 * We can send data now; update the fastpath with our 1787 * current associated BSSID and other relevant settings. 1788 */ 1789 wd.wd_secalloc = ieee80211_crypto_getciphertype(ic); 1790 wd.wd_opmode = ic->ic_opmode; 1791 IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_bss->in_bssid); 1792 (void) mac_pdata_update(ic->ic_mach, &wd, sizeof (wd)); 1793 break; 1794 case IEEE80211_S_ASSOC: 1795 case IEEE80211_S_INIT: 1796 break; 1797 } 1798 1799 /* 1800 * notify to update the link, and WPA 1801 */ 1802 if ((ic->ic_state != IEEE80211_S_RUN) && (state == IEEE80211_S_RUN)) { 1803 ieee80211_notify_node_join(ic, ic->ic_bss); 1804 } else if ((ic->ic_state == IEEE80211_S_RUN) && 1805 (state != IEEE80211_S_RUN)) { 1806 ieee80211_notify_node_leave(ic, ic->ic_bss); 1807 } 1808 1809 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 1810 "ipw2200_newstat(): %s -> %s\n", 1811 ieee80211_state_name[ic->ic_state], 1812 ieee80211_state_name[state])); 1813 1814 ic->ic_state = state; 1815 return (DDI_SUCCESS); 1816 } 1817 /* 1818 * GLD operations 1819 */ 1820 /* ARGSUSED */ 1821 static int 1822 ipw2200_m_stat(void *arg, uint_t stat, uint64_t *val) 1823 { 1824 ieee80211com_t *ic = (ieee80211com_t *)arg; 1825 struct ipw2200_softc *sc = (struct ipw2200_softc *)ic; 1826 1827 IPW2200_DBG(IPW2200_DBG_GLD, (((struct ipw2200_softc *)arg)->sc_dip, 1828 CE_CONT, 1829 "ipw2200_m_stat(): enter\n")); 1830 /* 1831 * Some of below statistic data are from hardware, some from net80211 1832 */ 1833 switch (stat) { 1834 case MAC_STAT_NOXMTBUF: 1835 *val = ic->ic_stats.is_tx_nobuf; 1836 break; 1837 case MAC_STAT_IERRORS: 1838 *val = sc->sc_stats.sc_rx_len_err; 1839 break; 1840 case MAC_STAT_OERRORS: 1841 *val = sc->sc_stats.sc_tx_discard + 1842 sc->sc_stats.sc_tx_alloc_fail + 1843 sc->sc_stats.sc_tx_encap_fail + 1844 sc->sc_stats.sc_tx_crypto_fail; 1845 break; 1846 case MAC_STAT_RBYTES: 1847 *val = ic->ic_stats.is_rx_bytes; 1848 break; 1849 case MAC_STAT_IPACKETS: 1850 *val = ic->ic_stats.is_rx_frags; 1851 break; 1852 case MAC_STAT_OBYTES: 1853 *val = ic->ic_stats.is_tx_bytes; 1854 break; 1855 case MAC_STAT_OPACKETS: 1856 *val = ic->ic_stats.is_tx_frags; 1857 break; 1858 /* 1859 * Get below from hardware statistic, retraive net80211 value once 1s 1860 */ 1861 case WIFI_STAT_TX_FRAGS: 1862 case WIFI_STAT_MCAST_TX: 1863 case WIFI_STAT_TX_FAILED: 1864 case WIFI_STAT_TX_RETRANS: 1865 /* 1866 * Get blow information from net80211 1867 */ 1868 case WIFI_STAT_RTS_SUCCESS: 1869 case WIFI_STAT_RTS_FAILURE: 1870 case WIFI_STAT_ACK_FAILURE: 1871 case WIFI_STAT_RX_FRAGS: 1872 case WIFI_STAT_MCAST_RX: 1873 case WIFI_STAT_RX_DUPS: 1874 case WIFI_STAT_FCS_ERRORS: 1875 case WIFI_STAT_WEP_ERRORS: 1876 return (ieee80211_stat(ic, stat, val)); 1877 /* 1878 * Need be supported later 1879 */ 1880 case MAC_STAT_IFSPEED: 1881 default: 1882 return (ENOTSUP); 1883 } 1884 return (0); 1885 } 1886 1887 /* ARGSUSED */ 1888 static int 1889 ipw2200_m_multicst(void *arg, boolean_t add, const uint8_t *mca) 1890 { 1891 /* not supported */ 1892 IPW2200_DBG(IPW2200_DBG_GLD, (((struct ipw2200_softc *)arg)->sc_dip, 1893 CE_CONT, 1894 "ipw2200_m_multicst(): enter\n")); 1895 1896 return (0); 1897 } 1898 1899 /* 1900 * Multithread handler for linkstatus, fatal error recovery, get statistic 1901 */ 1902 static void 1903 ipw2200_thread(struct ipw2200_softc *sc) 1904 { 1905 struct ieee80211com *ic = &sc->sc_ic; 1906 enum ieee80211_state ostate; 1907 int32_t nlstate; 1908 int stat_cnt = 0; 1909 1910 IPW2200_DBG(IPW2200_DBG_SOFTINT, (sc->sc_dip, CE_CONT, 1911 "ipw2200_thread(): enter, linkstate %d\n", sc->sc_linkstate)); 1912 1913 mutex_enter(&sc->sc_mflock); 1914 1915 while (sc->sc_mfthread_switch) { 1916 /* 1917 * when radio is off or SUSPEND status, nothing to do 1918 */ 1919 if ((ipw2200_radio_status(sc) == 0) || 1920 sc->sc_flags & IPW2200_FLAG_SUSPEND) { 1921 goto wait_loop; 1922 } 1923 1924 /* 1925 * notify the link state 1926 */ 1927 if (ic->ic_mach && (sc->sc_flags & IPW2200_FLAG_LINK_CHANGE)) { 1928 1929 IPW2200_DBG(IPW2200_DBG_SOFTINT, (sc->sc_dip, CE_CONT, 1930 "ipw2200_thread(): link status --> %d\n", 1931 sc->sc_linkstate)); 1932 1933 sc->sc_flags &= ~IPW2200_FLAG_LINK_CHANGE; 1934 nlstate = sc->sc_linkstate; 1935 1936 mutex_exit(&sc->sc_mflock); 1937 mac_link_update(ic->ic_mach, nlstate); 1938 mutex_enter(&sc->sc_mflock); 1939 } 1940 1941 /* 1942 * recovery fatal error 1943 */ 1944 if (ic->ic_mach && 1945 (sc->sc_flags & IPW2200_FLAG_HW_ERR_RECOVER)) { 1946 1947 IPW2200_DBG(IPW2200_DBG_FATAL, (sc->sc_dip, CE_CONT, 1948 "ipw2200_thread(): " 1949 "try to recover fatal hw error\n")); 1950 1951 sc->sc_flags &= ~IPW2200_FLAG_HW_ERR_RECOVER; 1952 mutex_exit(&sc->sc_mflock); 1953 1954 /* stop again */ 1955 ostate = ic->ic_state; 1956 (void) ipw2200_init(sc); /* Force state machine */ 1957 1958 /* 1959 * workround. Delay for a while after init especially 1960 * when something wrong happened already. 1961 */ 1962 delay(drv_usectohz(delay_fatal_recover)); 1963 1964 /* 1965 * Init scan will recovery the original connection if 1966 * the original state is run 1967 */ 1968 if (ostate != IEEE80211_S_INIT) 1969 ieee80211_begin_scan(ic, 0); 1970 1971 mutex_enter(&sc->sc_mflock); 1972 } 1973 1974 /* 1975 * get statistic, the value will be retrieved by m_stat 1976 */ 1977 if (stat_cnt == 10) { 1978 1979 stat_cnt = 0; /* re-start */ 1980 mutex_exit(&sc->sc_mflock); 1981 ipw2200_get_statistics(sc); 1982 mutex_enter(&sc->sc_mflock); 1983 1984 } else 1985 stat_cnt++; /* until 1s */ 1986 1987 wait_loop: 1988 mutex_exit(&sc->sc_mflock); 1989 delay(drv_usectohz(delay_aux_thread)); 1990 mutex_enter(&sc->sc_mflock); 1991 1992 } 1993 sc->sc_mf_thread = NULL; 1994 cv_signal(&sc->sc_mfthread_cv); 1995 mutex_exit(&sc->sc_mflock); 1996 } 1997 1998 static int 1999 ipw2200_m_start(void *arg) 2000 { 2001 struct ipw2200_softc *sc = (struct ipw2200_softc *)arg; 2002 struct ieee80211com *ic = &sc->sc_ic; 2003 2004 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2005 "ipw2200_m_start(): enter\n")); 2006 /* 2007 * initialize ipw2200 hardware, everything ok will start scan 2008 */ 2009 (void) ipw2200_init(sc); 2010 2011 /* 2012 * set the state machine to INIT 2013 */ 2014 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2015 2016 sc->sc_flags |= IPW2200_FLAG_RUNNING; 2017 2018 /* 2019 * fix KCF bug. - workaround, need to fix it in net80211 2020 */ 2021 (void) crypto_mech2id(SUN_CKM_RC4); 2022 2023 return (0); 2024 } 2025 2026 static void 2027 ipw2200_m_stop(void *arg) 2028 { 2029 struct ipw2200_softc *sc = (struct ipw2200_softc *)arg; 2030 struct ieee80211com *ic = &sc->sc_ic; 2031 2032 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2033 "ipw2200_m_stop(): enter\n")); 2034 2035 ipw2200_stop(sc); 2036 /* 2037 * set the state machine to INIT 2038 */ 2039 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2040 2041 sc->sc_flags &= ~IPW2200_FLAG_RUNNING; 2042 } 2043 2044 static int 2045 ipw2200_m_unicst(void *arg, const uint8_t *macaddr) 2046 { 2047 struct ipw2200_softc *sc = (struct ipw2200_softc *)arg; 2048 struct ieee80211com *ic = &sc->sc_ic; 2049 int err; 2050 2051 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2052 "ipw2200_m_unicst(): enter\n")); 2053 2054 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2055 "ipw2200_m_unicst(): GLD setting MAC address to " 2056 "%02x:%02x:%02x:%02x:%02x:%02x\n", 2057 macaddr[0], macaddr[1], macaddr[2], 2058 macaddr[3], macaddr[4], macaddr[5])); 2059 2060 if (!IEEE80211_ADDR_EQ(ic->ic_macaddr, macaddr)) { 2061 2062 IEEE80211_ADDR_COPY(ic->ic_macaddr, macaddr); 2063 2064 if (sc->sc_flags & IPW2200_FLAG_RUNNING) { 2065 err = ipw2200_config(sc); 2066 if (err != DDI_SUCCESS) { 2067 IPW2200_WARN((sc->sc_dip, CE_WARN, 2068 "ipw2200_m_unicst(): " 2069 "device configuration failed\n")); 2070 goto fail; 2071 } 2072 } 2073 } 2074 return (0); 2075 fail: 2076 return (EIO); 2077 } 2078 2079 static int 2080 ipw2200_m_promisc(void *arg, boolean_t on) 2081 { 2082 /* not supported */ 2083 struct ipw2200_softc *sc = (struct ipw2200_softc *)arg; 2084 2085 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2086 "ipw2200_m_promisc(): enter. " 2087 "GLD setting promiscuous mode - %d\n", on)); 2088 2089 return (0); 2090 } 2091 2092 static mblk_t * 2093 ipw2200_m_tx(void *arg, mblk_t *mp) 2094 { 2095 struct ipw2200_softc *sc = (struct ipw2200_softc *)arg; 2096 struct ieee80211com *ic = &sc->sc_ic; 2097 mblk_t *next; 2098 2099 /* 2100 * when driver in on suspend state, freemsgchain directly 2101 */ 2102 if (sc->sc_flags & IPW2200_FLAG_SUSPEND) { 2103 IPW2200_DBG(IPW2200_DBG_SUSPEND, (sc->sc_dip, CE_CONT, 2104 "ipw2200_m_tx(): suspend status, discard msg\n")); 2105 sc->sc_stats.sc_tx_discard++; /* discard data */ 2106 freemsgchain(mp); 2107 return (NULL); 2108 } 2109 2110 /* 2111 * No data frames go out unless we're associated; this 2112 * should not happen as the 802.11 layer does not enable 2113 * the xmit queue until we enter the RUN state. 2114 */ 2115 if (ic->ic_state != IEEE80211_S_RUN) { 2116 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2117 "ipw2200_m_tx(): discard msg, ic_state = %u\n", 2118 ic->ic_state)); 2119 sc->sc_stats.sc_tx_discard++; /* discard data */ 2120 freemsgchain(mp); 2121 return (NULL); 2122 } 2123 2124 while (mp != NULL) { 2125 next = mp->b_next; 2126 mp->b_next = NULL; 2127 if (ipw2200_send(ic, mp, IEEE80211_FC0_TYPE_DATA) == 2128 ENOMEM) { 2129 mp->b_next = next; 2130 break; 2131 } 2132 mp = next; 2133 } 2134 return (mp); 2135 } 2136 2137 /* 2138 * ipw2200_send(): send data. softway to handle crypto_encap. 2139 */ 2140 static int 2141 ipw2200_send(ieee80211com_t *ic, mblk_t *mp, uint8_t type) 2142 { 2143 struct ipw2200_softc *sc = (struct ipw2200_softc *)ic; 2144 struct ieee80211_node *in; 2145 struct ieee80211_frame *wh; 2146 struct ieee80211_key *k; 2147 mblk_t *m0, *m; 2148 size_t cnt, off; 2149 struct ipw2200_tx_desc *txdsc; 2150 struct dma_region *dr; 2151 uint32_t idx; 2152 int err = DDI_SUCCESS; 2153 /* tmp pointer, used to pack header and payload */ 2154 uint8_t *p; 2155 2156 ASSERT(mp->b_next == NULL); 2157 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2158 "ipw2200_send(): enter\n")); 2159 2160 if ((type & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA) { 2161 /* 2162 * skip all management frames since ipw2200 won't generate any 2163 * management frames. Therefore, drop this package. 2164 */ 2165 freemsg(mp); 2166 err = DDI_FAILURE; 2167 goto fail0; 2168 } 2169 2170 mutex_enter(&sc->sc_tx_lock); 2171 if (sc->sc_flags & IPW2200_FLAG_SUSPEND) { 2172 /* 2173 * when sending data, system runs into suspend status, 2174 * return fail directly 2175 */ 2176 err = ENXIO; 2177 goto fail0; 2178 } 2179 2180 /* 2181 * need 1 empty descriptor 2182 */ 2183 if (sc->sc_tx_free <= IPW2200_TX_RING_MIN) { 2184 mutex_enter(&sc->sc_resched_lock); 2185 IPW2200_DBG(IPW2200_DBG_RING, (sc->sc_dip, CE_WARN, 2186 "ipw2200_send(): no enough descriptors(%d)\n", 2187 sc->sc_tx_free)); 2188 ic->ic_stats.is_tx_nobuf++; /* no enough buffer */ 2189 sc->sc_flags |= IPW2200_FLAG_TX_SCHED; 2190 err = ENOMEM; 2191 mutex_exit(&sc->sc_resched_lock); 2192 goto fail1; 2193 } 2194 IPW2200_DBG(IPW2200_DBG_RING, (sc->sc_dip, CE_CONT, 2195 "ipw2200_send(): tx-free=%d,tx-curr=%d\n", 2196 sc->sc_tx_free, sc->sc_tx_cur)); 2197 2198 /* 2199 * put the mp into one blk, and use it to do the crypto_encap 2200 * if necessaary. 2201 */ 2202 m = allocb(msgdsize(mp) + 32, BPRI_MED); 2203 if (m == NULL) { /* can not alloc buf, drop this package */ 2204 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 2205 "ipw2200_send(): msg allocation failed\n")); 2206 freemsg(mp); 2207 sc->sc_stats.sc_tx_alloc_fail++; /* alloc fail */ 2208 ic->ic_stats.is_tx_failed++; /* trans failed */ 2209 err = DDI_FAILURE; 2210 goto fail1; 2211 } 2212 for (off = 0, m0 = mp; m0 != NULL; m0 = m0->b_cont) { 2213 cnt = MBLKL(m0); 2214 (void) memcpy(m->b_rptr + off, m0->b_rptr, cnt); 2215 off += cnt; 2216 } 2217 m->b_wptr += off; 2218 2219 /* 2220 * find tx_node, and encapsulate the data 2221 */ 2222 wh = (struct ieee80211_frame *)m->b_rptr; 2223 in = ieee80211_find_txnode(ic, wh->i_addr1); 2224 if (in == NULL) { /* can not find the tx node, drop the package */ 2225 sc->sc_stats.sc_tx_encap_fail++; /* tx encap fail */ 2226 ic->ic_stats.is_tx_failed++; /* trans failed */ 2227 freemsg(mp); 2228 err = DDI_FAILURE; 2229 goto fail2; 2230 } 2231 in->in_inact = 0; 2232 2233 (void) ieee80211_encap(ic, m, in); 2234 ieee80211_free_node(in); 2235 2236 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2237 k = ieee80211_crypto_encap(ic, m); 2238 if (k == NULL) { /* can not get the key, drop packages */ 2239 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 2240 "ipw2200_send(): " 2241 "Encrypting 802.11 frame failed\n")); 2242 sc->sc_stats.sc_tx_crypto_fail++; /* tx encap fail */ 2243 ic->ic_stats.is_tx_failed++; /* trans failed */ 2244 freemsg(mp); 2245 err = DDI_FAILURE; 2246 goto fail2; 2247 } 2248 wh = (struct ieee80211_frame *)m->b_rptr; 2249 } 2250 2251 /* 2252 * get txdsc 2253 */ 2254 idx = sc->sc_tx_cur; 2255 txdsc = &sc->sc_txdsc[idx]; 2256 (void) memset(txdsc, 0, sizeof (*txdsc)); 2257 /* 2258 * extract header from message 2259 */ 2260 p = (uint8_t *)&txdsc->wh; 2261 off = sizeof (struct ieee80211_frame); 2262 (void) memcpy(p, m->b_rptr, off); 2263 /* 2264 * extract payload from message 2265 */ 2266 dr = &sc->sc_dma_txbufs[idx]; 2267 p = sc->sc_txbufs[idx]; 2268 cnt = MBLKL(m); 2269 (void) memcpy(p, m->b_rptr + off, cnt - off); 2270 cnt -= off; 2271 2272 txdsc->hdr.type = IPW2200_HDR_TYPE_DATA; 2273 txdsc->hdr.flags = IPW2200_HDR_FLAG_IRQ; 2274 txdsc->cmd = IPW2200_DATA_CMD_TX; 2275 txdsc->len = LE_16(cnt); 2276 txdsc->flags = 0; 2277 2278 if (ic->ic_opmode == IEEE80211_M_IBSS) { 2279 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) 2280 txdsc->flags |= IPW2200_DATA_FLAG_NEED_ACK; 2281 } else if (!IEEE80211_IS_MULTICAST(wh->i_addr3)) 2282 txdsc->flags |= IPW2200_DATA_FLAG_NEED_ACK; 2283 2284 /* always set it to none wep, because it's handled by software */ 2285 txdsc->flags |= IPW2200_DATA_FLAG_NO_WEP; 2286 2287 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 2288 txdsc->flags |= IPW2200_DATA_FLAG_SHPREAMBLE; 2289 2290 txdsc->nseg = LE_32(1); 2291 txdsc->seg_addr[0] = LE_32(dr->dr_pbase); 2292 txdsc->seg_len[0] = LE_32(cnt); 2293 2294 /* 2295 * DMA sync: buffer and desc 2296 */ 2297 (void) ddi_dma_sync(dr->dr_hnd, 0, 2298 IPW2200_TXBUF_SIZE, DDI_DMA_SYNC_FORDEV); 2299 (void) ddi_dma_sync(sc->sc_dma_txdsc.dr_hnd, 2300 idx * sizeof (struct ipw2200_tx_desc), 2301 sizeof (struct ipw2200_tx_desc), DDI_DMA_SYNC_FORDEV); 2302 2303 sc->sc_tx_cur = RING_FORWARD(sc->sc_tx_cur, 1, IPW2200_TX_RING_SIZE); 2304 sc->sc_tx_free--; 2305 2306 /* 2307 * update txcur 2308 */ 2309 ipw2200_csr_put32(sc, IPW2200_CSR_TX1_WRITE_INDEX, sc->sc_tx_cur); 2310 2311 /* 2312 * success, free the original message 2313 */ 2314 if (mp) 2315 freemsg(mp); 2316 fail2: 2317 if (m) 2318 freemsg(m); 2319 fail1: 2320 mutex_exit(&sc->sc_tx_lock); 2321 fail0: 2322 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2323 "ipw2200_send(): exit - err=%d\n", err)); 2324 2325 return (err); 2326 } 2327 2328 /* 2329 * IOCTL handlers 2330 */ 2331 #define IEEE80211_IOCTL_REQUIRED (1) 2332 #define IEEE80211_IOCTL_NOT_REQUIRED (0) 2333 static void 2334 ipw2200_m_ioctl(void *arg, queue_t *q, mblk_t *m) 2335 { 2336 struct ipw2200_softc *sc = (struct ipw2200_softc *)arg; 2337 struct ieee80211com *ic = &sc->sc_ic; 2338 uint32_t err; 2339 2340 IPW2200_DBG(IPW2200_DBG_GLD, (sc->sc_dip, CE_CONT, 2341 "ipw2200_m_ioctl(): enter\n")); 2342 2343 /* 2344 * Check whether or not need to handle this in net80211 2345 * 2346 */ 2347 if (ipw2200_ioctl(sc, q, m) == IEEE80211_IOCTL_NOT_REQUIRED) 2348 return; 2349 2350 err = ieee80211_ioctl(ic, q, m); 2351 if (err == ENETRESET) { 2352 if (sc->sc_flags & IPW2200_FLAG_RUNNING) { 2353 (void) ipw2200_m_start(sc); 2354 (void) ieee80211_new_state(ic, 2355 IEEE80211_S_SCAN, -1); 2356 } 2357 } 2358 if (err == ERESTART) { 2359 if (sc->sc_flags & IPW2200_FLAG_RUNNING) 2360 (void) ipw2200_chip_reset(sc); 2361 } 2362 } 2363 static int 2364 ipw2200_ioctl(struct ipw2200_softc *sc, queue_t *q, mblk_t *m) 2365 { 2366 struct iocblk *iocp; 2367 uint32_t len, ret, cmd, mblen; 2368 mblk_t *m0; 2369 boolean_t need_privilege; 2370 boolean_t need_net80211; 2371 2372 mblen = MBLKL(m); 2373 if (mblen < sizeof (struct iocblk)) { 2374 IPW2200_DBG(IPW2200_DBG_IOCTL, (sc->sc_dip, CE_CONT, 2375 "ipw2200_ioctl(): ioctl buffer too short, %u\n", 2376 mblen)); 2377 miocnak(q, m, 0, EINVAL); 2378 /* 2379 * Buf not enough, do not need net80211 either 2380 */ 2381 return (IEEE80211_IOCTL_NOT_REQUIRED); 2382 } 2383 2384 /* 2385 * Validate the command 2386 */ 2387 iocp = (struct iocblk *)(uintptr_t)m->b_rptr; 2388 iocp->ioc_error = 0; 2389 cmd = iocp->ioc_cmd; 2390 need_privilege = B_TRUE; 2391 switch (cmd) { 2392 case WLAN_SET_PARAM: 2393 case WLAN_COMMAND: 2394 break; 2395 case WLAN_GET_PARAM: 2396 need_privilege = B_FALSE; 2397 break; 2398 default: 2399 IPW2200_DBG(IPW2200_DBG_IOCTL, (sc->sc_dip, CE_CONT, 2400 "ipw2200_ioctl(): unknown cmd 0x%x", cmd)); 2401 miocnak(q, m, 0, EINVAL); 2402 /* 2403 * Unknown cmd, do not need net80211 either 2404 */ 2405 return (IEEE80211_IOCTL_NOT_REQUIRED); 2406 } 2407 2408 if (need_privilege && (ret = secpolicy_dl_config(iocp->ioc_cr)) != 0) { 2409 miocnak(q, m, 0, ret); 2410 /* 2411 * privilege check fail, do not need net80211 either 2412 */ 2413 return (IEEE80211_IOCTL_NOT_REQUIRED); 2414 } 2415 2416 /* 2417 * sanity check 2418 */ 2419 m0 = m->b_cont; 2420 if (iocp->ioc_count == 0 || iocp->ioc_count < sizeof (wldp_t) || 2421 m0 == NULL) { 2422 miocnak(q, m, 0, EINVAL); 2423 /* 2424 * invalid format, do not need net80211 either 2425 */ 2426 return (IEEE80211_IOCTL_NOT_REQUIRED); 2427 } 2428 /* 2429 * assuming single data block 2430 */ 2431 if (m0->b_cont) { 2432 freemsg(m0->b_cont); 2433 m0->b_cont = NULL; 2434 } 2435 2436 need_net80211 = B_FALSE; 2437 ret = ipw2200_getset(sc, m0, cmd, &need_net80211); 2438 if (!need_net80211) { 2439 len = msgdsize(m0); 2440 2441 IPW2200_DBG(IPW2200_DBG_IOCTL, (sc->sc_dip, CE_CONT, 2442 "ipw2200_ioctl(): go to call miocack with " 2443 "ret = %d, len = %d\n", ret, len)); 2444 miocack(q, m, len, ret); 2445 return (IEEE80211_IOCTL_NOT_REQUIRED); 2446 } 2447 2448 /* 2449 * IEEE80211_IOCTL - need net80211 handle 2450 */ 2451 return (IEEE80211_IOCTL_REQUIRED); 2452 } 2453 2454 static int 2455 ipw2200_getset(struct ipw2200_softc *sc, mblk_t *m, uint32_t cmd, 2456 boolean_t *need_net80211) 2457 { 2458 wldp_t *infp, *outfp; 2459 uint32_t id; 2460 int ret; 2461 2462 infp = (wldp_t *)(uintptr_t)m->b_rptr; 2463 outfp = (wldp_t *)(uintptr_t)m->b_rptr; 2464 outfp->wldp_result = WL_NOTSUPPORTED; 2465 2466 id = infp->wldp_id; 2467 IPW2200_DBG(IPW2200_DBG_IOCTL, (sc->sc_dip, CE_CONT, 2468 "ipw2200_getset(): id = 0x%x\n", id)); 2469 switch (id) { 2470 case WL_RADIO: /* which is not supported by net80211 */ 2471 ret = iwi_wificfg_radio(sc, cmd, outfp); 2472 break; 2473 case WL_DESIRED_RATES: /* hardware doesn't support fix-rates */ 2474 ret = iwi_wificfg_desrates(outfp); 2475 break; 2476 default: 2477 /* 2478 * The wifi IOCTL net80211 supported: 2479 * case WL_ESSID: 2480 * case WL_BSSID: 2481 * case WL_WEP_KEY_TAB: 2482 * case WL_WEP_KEY_ID: 2483 * case WL_AUTH_MODE: 2484 * case WL_ENCRYPTION: 2485 * case WL_BSS_TYPE: 2486 * case WL_ESS_LIST: 2487 * case WL_LINKSTATUS: 2488 * case WL_RSSI: 2489 * case WL_SCAN: 2490 * case WL_LOAD_DEFAULTS: 2491 * case WL_DISASSOCIATE: 2492 */ 2493 2494 /* 2495 * When radio is off, need to ignore all ioctl. What need to 2496 * do is to check radio status firstly. If radio is ON, pass 2497 * it to net80211, otherwise, return to upper layer directly. 2498 * 2499 * Considering the WL_SUCCESS also means WL_CONNECTED for 2500 * checking linkstatus, one exception for WL_LINKSTATUS is to 2501 * let net80211 handle it. 2502 */ 2503 if ((ipw2200_radio_status(sc) == 0) && 2504 (id != WL_LINKSTATUS)) { 2505 2506 IPW2200_REPORT((sc->sc_dip, CE_CONT, 2507 "iwi: radio is OFF\n")); 2508 2509 outfp->wldp_length = WIFI_BUF_OFFSET; 2510 outfp->wldp_result = WL_SUCCESS; 2511 ret = 0; 2512 break; 2513 } 2514 2515 *need_net80211 = B_TRUE; /* let net80211 do the rest */ 2516 return (0); 2517 } 2518 /* 2519 * we will overwrite everything 2520 */ 2521 m->b_wptr = m->b_rptr + outfp->wldp_length; 2522 return (ret); 2523 } 2524 2525 static int 2526 iwi_wificfg_radio(struct ipw2200_softc *sc, uint32_t cmd, wldp_t *outfp) 2527 { 2528 uint32_t ret = ENOTSUP; 2529 2530 switch (cmd) { 2531 case WLAN_GET_PARAM: 2532 *(wl_linkstatus_t *)(outfp->wldp_buf) = 2533 ipw2200_radio_status(sc); 2534 outfp->wldp_length = WIFI_BUF_OFFSET + sizeof (wl_linkstatus_t); 2535 outfp->wldp_result = WL_SUCCESS; 2536 ret = 0; /* command success */ 2537 break; 2538 case WLAN_SET_PARAM: 2539 default: 2540 break; 2541 } 2542 return (ret); 2543 } 2544 2545 static int 2546 iwi_wificfg_desrates(wldp_t *outfp) 2547 { 2548 /* return success, but with result NOTSUPPORTED */ 2549 outfp->wldp_length = WIFI_BUF_OFFSET; 2550 outfp->wldp_result = WL_NOTSUPPORTED; 2551 return (0); 2552 } 2553 /* End of IOCTL Handlers */ 2554 2555 void 2556 ipw2200_fix_channel(struct ieee80211com *ic, mblk_t *m) 2557 { 2558 struct ieee80211_frame *wh; 2559 uint8_t subtype; 2560 uint8_t *frm, *efrm; 2561 2562 wh = (struct ieee80211_frame *)m->b_rptr; 2563 2564 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2565 return; 2566 2567 subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; 2568 2569 if (subtype != IEEE80211_FC0_SUBTYPE_BEACON && 2570 subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP) 2571 return; 2572 2573 /* 2574 * assume the message contains only 1 block 2575 */ 2576 frm = (uint8_t *)(wh + 1); 2577 efrm = (uint8_t *)m->b_wptr; 2578 frm += 12; /* skip tstamp, bintval and capinfo fields */ 2579 while (frm < efrm) { 2580 if (*frm == IEEE80211_ELEMID_DSPARMS) 2581 #if IEEE80211_CHAN_MAX < 255 2582 if (frm[2] <= IEEE80211_CHAN_MAX) 2583 #endif 2584 ic->ic_curchan = &ic->ic_sup_channels[frm[2]]; 2585 frm += frm[1] + 2; 2586 } 2587 } 2588 2589 static void 2590 ipw2200_rcv_frame(struct ipw2200_softc *sc, struct ipw2200_frame *frame) 2591 { 2592 struct ieee80211com *ic = &sc->sc_ic; 2593 uint8_t *data = (uint8_t *)frame; 2594 uint32_t len; 2595 struct ieee80211_frame *wh; 2596 struct ieee80211_node *in; 2597 mblk_t *m; 2598 2599 len = LE_16(frame->len); 2600 if ((len < sizeof (struct ieee80211_frame_min)) || 2601 (len > IPW2200_RXBUF_SIZE)) { 2602 IPW2200_DBG(IPW2200_DBG_RX, (sc->sc_dip, CE_CONT, 2603 "ipw2200_rcv_frame(): bad frame length=%u\n", 2604 LE_16(frame->len))); 2605 sc->sc_stats.sc_rx_len_err++; /* length doesn't work */ 2606 return; 2607 } 2608 IPW2200_DBG(IPW2200_DBG_RX, (sc->sc_dip, CE_CONT, 2609 "ipw2200_rcv_frame(): chan = %d, length = %d\n", frame->chan, len)); 2610 2611 /* 2612 * Skip the frame header, get the real data from the input 2613 */ 2614 data += sizeof (struct ipw2200_frame); 2615 2616 m = allocb(len, BPRI_MED); 2617 if (m) { 2618 (void) memcpy(m->b_wptr, data, len); 2619 m->b_wptr += len; 2620 2621 if (ic->ic_state == IEEE80211_S_SCAN) { 2622 ic->ic_ibss_chan = &ic->ic_sup_channels[frame->chan]; 2623 ipw2200_fix_channel(ic, m); 2624 } 2625 wh = (struct ieee80211_frame *)m->b_rptr; 2626 2627 in = ieee80211_find_rxnode(ic, wh); 2628 2629 IPW2200_DBG(IPW2200_DBG_RX, (sc->sc_dip, CE_CONT, 2630 "ipw2200_rcv_frame(): " 2631 "type = %x, subtype = %x, i_fc[1] = %x, " 2632 "ni_esslen:%d, ni_essid[0-5]:%c%c%c%c%c%c\n", 2633 wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK, 2634 wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK, 2635 wh->i_fc[1] & IEEE80211_FC1_WEP, 2636 in->in_esslen, 2637 in->in_essid[0], in->in_essid[1], in->in_essid[2], 2638 in->in_essid[3], in->in_essid[4], in->in_essid[5])); 2639 2640 (void) ieee80211_input(ic, m, in, frame->rssi_dbm, 0); 2641 2642 ieee80211_free_node(in); 2643 } 2644 else 2645 IPW2200_WARN((sc->sc_dip, CE_WARN, 2646 "ipw2200_rcv_frame(): " 2647 "cannot allocate receive message(%u)\n", 2648 LE_16(frame->len))); 2649 } 2650 2651 static void 2652 ipw2200_rcv_notif(struct ipw2200_softc *sc, struct ipw2200_notif *notif) 2653 { 2654 struct ieee80211com *ic = &sc->sc_ic; 2655 struct ipw2200_notif_association *assoc; 2656 struct ipw2200_notif_authentication *auth; 2657 uint8_t *ndata = (uint8_t *)notif; 2658 2659 IPW2200_DBG(IPW2200_DBG_NOTIF, (sc->sc_dip, CE_CONT, 2660 "ipw2200_rcv_notif(): type=%u\n", notif->type)); 2661 2662 ndata += sizeof (struct ipw2200_notif); 2663 switch (notif->type) { 2664 case IPW2200_NOTIF_TYPE_ASSOCIATION: 2665 assoc = (struct ipw2200_notif_association *)ndata; 2666 2667 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 2668 "ipw2200_rcv_notif(): association=%u,%u\n", 2669 assoc->state, assoc->status)); 2670 2671 switch (assoc->state) { 2672 case IPW2200_ASSOC_SUCCESS: 2673 sc->sc_flags |= IPW2200_FLAG_ASSOCIATED; 2674 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2675 break; 2676 case IPW2200_ASSOC_FAIL: 2677 sc->sc_flags &= ~IPW2200_FLAG_ASSOCIATED; 2678 ieee80211_begin_scan(ic, 1); 2679 break; 2680 default: 2681 break; 2682 } 2683 break; 2684 2685 case IPW2200_NOTIF_TYPE_AUTHENTICATION: 2686 auth = (struct ipw2200_notif_authentication *)ndata; 2687 2688 IPW2200_DBG(IPW2200_DBG_WIFI, (sc->sc_dip, CE_CONT, 2689 "ipw2200_rcv_notif(): authentication=%u\n", auth->state)); 2690 2691 switch (auth->state) { 2692 case IPW2200_AUTH_SUCCESS: 2693 ieee80211_new_state(ic, IEEE80211_S_ASSOC, -1); 2694 break; 2695 case IPW2200_AUTH_FAIL: 2696 sc->sc_flags &= ~IPW2200_FLAG_ASSOCIATED; 2697 break; 2698 default: 2699 IPW2200_DBG(IPW2200_DBG_NOTIF, (sc->sc_dip, CE_CONT, 2700 "ipw2200_rcv_notif(): " 2701 "unknown authentication state(%u)\n", auth->state)); 2702 break; 2703 } 2704 break; 2705 2706 case IPW2200_NOTIF_TYPE_SCAN_CHANNEL: 2707 IPW2200_DBG(IPW2200_DBG_SCAN, (sc->sc_dip, CE_CONT, 2708 "ipw2200_rcv_notif(): scan-channel=%u\n", 2709 ((struct ipw2200_notif_scan_channel *)ndata)->nchan)); 2710 break; 2711 2712 case IPW2200_NOTIF_TYPE_SCAN_COMPLETE: 2713 IPW2200_DBG(IPW2200_DBG_SCAN, (sc->sc_dip, CE_CONT, 2714 "ipw2200_rcv_notif():scan-completed,(%u,%u)\n", 2715 ((struct ipw2200_notif_scan_complete *)ndata)->nchan, 2716 ((struct ipw2200_notif_scan_complete *)ndata)->status)); 2717 2718 /* 2719 * scan complete 2720 */ 2721 sc->sc_flags &= ~IPW2200_FLAG_SCANNING; 2722 ieee80211_end_scan(ic); 2723 break; 2724 2725 case IPW2200_NOTIF_TYPE_BEACON: 2726 case IPW2200_NOTIF_TYPE_CALIBRATION: 2727 case IPW2200_NOTIF_TYPE_NOISE: 2728 /* 2729 * just ignore 2730 */ 2731 break; 2732 default: 2733 IPW2200_DBG(IPW2200_DBG_NOTIF, (sc->sc_dip, CE_CONT, 2734 "ipw2200_rcv_notif(): unknown notification type(%u)\n", 2735 notif->type)); 2736 break; 2737 } 2738 } 2739 2740 static uint_t 2741 ipw2200_intr(caddr_t arg) 2742 { 2743 struct ipw2200_softc *sc = (struct ipw2200_softc *)(uintptr_t)arg; 2744 struct ieee80211com *ic = &sc->sc_ic; 2745 uint32_t ireg, ridx, len, i; 2746 uint8_t *p, *rxbuf; 2747 struct dma_region *dr; 2748 struct ipw2200_hdr *hdr; 2749 uint32_t widx; 2750 2751 /* when it is on suspend, unclaim all interrupt directly */ 2752 if (sc->sc_flags & IPW2200_FLAG_SUSPEND) 2753 return (DDI_INTR_UNCLAIMED); 2754 2755 /* unclaim interrupt when it is not for iwi */ 2756 ireg = ipw2200_csr_get32(sc, IPW2200_CSR_INTR); 2757 if (ireg == 0xffffffff || 2758 !(ireg & IPW2200_INTR_MASK_ALL)) 2759 return (DDI_INTR_UNCLAIMED); 2760 2761 /* 2762 * mask all interrupts 2763 */ 2764 ipw2200_csr_put32(sc, IPW2200_CSR_INTR_MASK, 0); 2765 2766 /* 2767 * acknowledge all fired interrupts 2768 */ 2769 ipw2200_csr_put32(sc, IPW2200_CSR_INTR, ireg); 2770 2771 IPW2200_DBG(IPW2200_DBG_INT, (sc->sc_dip, CE_CONT, 2772 "ipw2200_intr(): enter. interrupt fired, int=0x%08x\n", ireg)); 2773 2774 if (ireg & IPW2200_INTR_MASK_ERR) { 2775 2776 IPW2200_DBG(IPW2200_DBG_FATAL, (sc->sc_dip, CE_CONT, 2777 "ipw2200 interrupt(): int= 0x%08x\n", ireg)); 2778 2779 /* 2780 * inform mfthread to recover hw error by stopping it 2781 */ 2782 mutex_enter(&sc->sc_mflock); 2783 sc->sc_flags |= IPW2200_FLAG_HW_ERR_RECOVER; 2784 mutex_exit(&sc->sc_mflock); 2785 2786 goto enable_interrupt; 2787 } 2788 2789 /* 2790 * FW intr 2791 */ 2792 if (ireg & IPW2200_INTR_FW_INITED) { 2793 mutex_enter(&sc->sc_ilock); 2794 sc->sc_fw_ok = 1; 2795 cv_signal(&sc->sc_fw_cond); 2796 mutex_exit(&sc->sc_ilock); 2797 } 2798 2799 /* 2800 * Radio OFF 2801 */ 2802 if (ireg & IPW2200_INTR_RADIO_OFF) { 2803 IPW2200_REPORT((sc->sc_dip, CE_CONT, 2804 "ipw2200_intr(): radio is OFF\n")); 2805 2806 /* 2807 * Stop hardware, will notify LINK is down. 2808 * Need a better scan solution to ensure 2809 * table has right value. 2810 */ 2811 ipw2200_stop(sc); 2812 } 2813 2814 /* 2815 * CMD intr 2816 */ 2817 if (ireg & IPW2200_INTR_CMD_TRANSFER) { 2818 mutex_enter(&sc->sc_cmd_lock); 2819 ridx = ipw2200_csr_get32(sc, 2820 IPW2200_CSR_CMD_READ_INDEX); 2821 i = RING_FORWARD(sc->sc_cmd_cur, 2822 sc->sc_cmd_free, IPW2200_CMD_RING_SIZE); 2823 len = RING_FLEN(i, ridx, IPW2200_CMD_RING_SIZE); 2824 2825 IPW2200_DBG(IPW2200_DBG_INT, (sc->sc_dip, CE_CONT, 2826 "ipw2200_intr(): cmd-ring,i=%u,ridx=%u,len=%u\n", 2827 i, ridx, len)); 2828 2829 if (len > 0) { 2830 sc->sc_cmd_free += len; 2831 cv_signal(&sc->sc_cmd_cond); 2832 } 2833 for (; i != ridx; 2834 i = RING_FORWARD(i, 1, IPW2200_CMD_RING_SIZE)) 2835 sc->sc_done[i] = 1; 2836 mutex_exit(&sc->sc_cmd_lock); 2837 2838 mutex_enter(&sc->sc_ilock); 2839 cv_signal(&sc->sc_cmd_status_cond); 2840 mutex_exit(&sc->sc_ilock); 2841 } 2842 2843 /* 2844 * RX intr 2845 */ 2846 if (ireg & IPW2200_INTR_RX_TRANSFER) { 2847 ridx = ipw2200_csr_get32(sc, 2848 IPW2200_CSR_RX_READ_INDEX); 2849 widx = ipw2200_csr_get32(sc, 2850 IPW2200_CSR_RX_WRITE_INDEX); 2851 2852 IPW2200_DBG(IPW2200_DBG_INT, (sc->sc_dip, CE_CONT, 2853 "ipw2200_intr(): rx-ring,widx=%u,ridx=%u\n", 2854 ridx, widx)); 2855 2856 for (; sc->sc_rx_cur != ridx; 2857 sc->sc_rx_cur = RING_FORWARD(sc->sc_rx_cur, 1, 2858 IPW2200_RX_RING_SIZE)) { 2859 i = sc->sc_rx_cur; 2860 rxbuf = sc->sc_rxbufs[i]; 2861 dr = &sc->sc_dma_rxbufs[i]; 2862 2863 /* 2864 * DMA sync 2865 */ 2866 (void) ddi_dma_sync(dr->dr_hnd, 0, 2867 IPW2200_RXBUF_SIZE, DDI_DMA_SYNC_FORKERNEL); 2868 /* 2869 * Get rx header(hdr) and rx data(p) from rxbuf 2870 */ 2871 p = rxbuf; 2872 hdr = (struct ipw2200_hdr *)p; 2873 p += sizeof (struct ipw2200_hdr); 2874 2875 IPW2200_DBG(IPW2200_DBG_INT, (sc->sc_dip, CE_CONT, 2876 "ipw2200_intr(): Rx hdr type %u\n", 2877 hdr->type)); 2878 2879 switch (hdr->type) { 2880 case IPW2200_HDR_TYPE_FRAME: 2881 ipw2200_rcv_frame(sc, 2882 (struct ipw2200_frame *)p); 2883 break; 2884 2885 case IPW2200_HDR_TYPE_NOTIF: 2886 ipw2200_rcv_notif(sc, 2887 (struct ipw2200_notif *)p); 2888 break; 2889 2890 default: 2891 IPW2200_DBG(IPW2200_DBG_INT, (sc->sc_dip, 2892 CE_CONT, 2893 "ipw2200_intr(): unknown Rx hdr type %u\n", 2894 hdr->type)); 2895 break; 2896 } 2897 } 2898 /* 2899 * write sc_rx_cur backward 1 step into RX_WRITE_INDEX 2900 */ 2901 ipw2200_csr_put32(sc, IPW2200_CSR_RX_WRITE_INDEX, 2902 RING_BACKWARD(sc->sc_rx_cur, 1, 2903 IPW2200_RX_RING_SIZE)); 2904 } 2905 2906 /* 2907 * TX intr 2908 */ 2909 if (ireg & IPW2200_INTR_TX1_TRANSFER) { 2910 mutex_enter(&sc->sc_tx_lock); 2911 ridx = ipw2200_csr_get32(sc, 2912 IPW2200_CSR_TX1_READ_INDEX); 2913 len = RING_FLEN(RING_FORWARD(sc->sc_tx_cur, 2914 sc->sc_tx_free, IPW2200_TX_RING_SIZE), 2915 ridx, IPW2200_TX_RING_SIZE); 2916 sc->sc_tx_free += len; 2917 IPW2200_DBG(IPW2200_DBG_RING, (sc->sc_dip, CE_CONT, 2918 "ipw2200_intr(): tx-ring,ridx=%u,len=%u\n", 2919 ridx, len)); 2920 mutex_exit(&sc->sc_tx_lock); 2921 2922 mutex_enter(&sc->sc_resched_lock); 2923 if ((sc->sc_tx_free > IPW2200_TX_RING_MIN) && 2924 (sc->sc_flags & IPW2200_FLAG_TX_SCHED)) { 2925 IPW2200_DBG(IPW2200_DBG_RING, (sc->sc_dip, 2926 CE_CONT, 2927 "ipw2200_intr(): Need Reschedule!")); 2928 sc->sc_flags &= ~IPW2200_FLAG_TX_SCHED; 2929 mac_tx_update(ic->ic_mach); 2930 } 2931 mutex_exit(&sc->sc_resched_lock); 2932 } 2933 2934 enable_interrupt: 2935 /* 2936 * enable all interrupts 2937 */ 2938 ipw2200_csr_put32(sc, IPW2200_CSR_INTR_MASK, IPW2200_INTR_MASK_ALL); 2939 2940 return (DDI_INTR_CLAIMED); 2941 } 2942 2943 2944 /* 2945 * Module Loading Data & Entry Points 2946 */ 2947 DDI_DEFINE_STREAM_OPS(ipw2200_devops, nulldev, nulldev, ipw2200_attach, 2948 ipw2200_detach, ipw2200_reset, NULL, D_MP, NULL, ddi_quiesce_not_supported); 2949 2950 static struct modldrv ipw2200_modldrv = { 2951 &mod_driverops, 2952 ipw2200_ident, 2953 &ipw2200_devops 2954 }; 2955 2956 static struct modlinkage ipw2200_modlinkage = { 2957 MODREV_1, 2958 &ipw2200_modldrv, 2959 NULL 2960 }; 2961 2962 int 2963 _init(void) 2964 { 2965 int status; 2966 2967 status = ddi_soft_state_init(&ipw2200_ssp, 2968 sizeof (struct ipw2200_softc), 1); 2969 if (status != DDI_SUCCESS) 2970 return (status); 2971 2972 mac_init_ops(&ipw2200_devops, IPW2200_DRV_NAME); 2973 status = mod_install(&ipw2200_modlinkage); 2974 if (status != DDI_SUCCESS) { 2975 mac_fini_ops(&ipw2200_devops); 2976 ddi_soft_state_fini(&ipw2200_ssp); 2977 } 2978 2979 return (status); 2980 } 2981 2982 int 2983 _fini(void) 2984 { 2985 int status; 2986 2987 status = mod_remove(&ipw2200_modlinkage); 2988 if (status == DDI_SUCCESS) { 2989 mac_fini_ops(&ipw2200_devops); 2990 ddi_soft_state_fini(&ipw2200_ssp); 2991 } 2992 2993 return (status); 2994 } 2995 2996 int 2997 _info(struct modinfo *modinfop) 2998 { 2999 return (mod_info(&ipw2200_modlinkage, modinfop)); 3000 } 3001