2 * Copyright (c) 2004, 2005
3 * Damien Bergamini <damien.bergamini@free.fr>.
4 * Copyright (c) 2004, 2005
5 * Andrew Atrens <atrens@nortelnetworks.com>.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice unmodified, this list of conditions, and the following
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * $DragonFly: src/sys/dev/netif/iwi/if_iwi.c,v 1.6 2005/07/26 12:40:38 joerg Exp $
36 #include <sys/cdefs.h>
39 * Intel(R) PRO/Wireless 2200BG/2915ABG driver
40 * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm
43 #include <sys/param.h>
44 #include <sys/sysctl.h>
45 #include <sys/sockio.h>
47 #include <sys/kernel.h>
48 #include <sys/kthread.h>
49 #include <sys/socket.h>
50 #include <sys/systm.h>
51 #include <sys/malloc.h>
52 #include <sys/module.h>
54 #include <sys/endian.h>
56 #include <sys/ucred.h>
57 #include <sys/thread2.h>
59 #include <machine/bus.h>
60 #include <machine/resource.h>
61 #include <machine/clock.h>
64 #include <bus/pci/pcireg.h>
65 #include <bus/pci/pcivar.h>
69 #include <net/if_arp.h>
70 #include <net/ifq_var.h>
71 #include <net/ethernet.h>
72 #include <net/if_dl.h>
73 #include <net/if_media.h>
74 #include <net/if_types.h>
75 #include <net/ifq_var.h>
77 #include <netinet/in.h>
78 #include <netinet/in_systm.h>
79 #include <netinet/in_var.h>
80 #include <netinet/ip.h>
81 #include <netinet/if_ether.h>
84 #include <netproto/ipx/ipx.h>
85 #include <netproto/ipx/ipx_if.h>
88 #include <netproto/802_11/ieee80211_var.h>
89 #include <netproto/802_11/ieee80211_ioctl.h>
90 #include <netproto/802_11/ieee80211_radiotap.h>
91 #include <netproto/802_11/if_wavelan_ieee.h>
93 #include "if_iwireg.h"
94 #include "if_iwivar.h"
97 #define DPRINTF(x) if (sc->debug_level > 0) printf x
98 #define DPRINTFN(n, x) if (sc->debug_level >= (n)) printf x
102 #define DPRINTFN(n, x)
105 MODULE_DEPEND(iwi, pci, 1, 1, 1);
106 MODULE_DEPEND(iwi, wlan, 1, 1, 1);
108 struct iwi_dump_buffer {
118 static const struct iwi_ident iwi_ident_table[] = {
119 { 0x8086, 0x4220, "Intel(R) PRO/Wireless 2200BG MiniPCI" },
120 { 0x8086, 0x4223, "Intel(R) PRO/Wireless 2915ABG MiniPCI" },
121 { 0x8086, 0x4224, "Intel(R) PRO/Wireless 2915ABG MiniPCI" },
126 static const struct ieee80211_rateset iwi_rateset_11a =
127 { 8, { 12, 18, 24, 36, 48, 72, 96, 108 } };
129 static const struct ieee80211_rateset iwi_rateset_11b =
130 { 4, { 2, 4, 11, 22 } };
132 static const struct ieee80211_rateset iwi_rateset_11g =
133 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
135 static int iwi_dma_alloc(struct iwi_softc *);
136 static void iwi_release(struct iwi_softc *);
137 static int iwi_media_change(struct ifnet *);
138 static void iwi_media_status(struct ifnet *, struct ifmediareq *);
139 static u_int16_t iwi_read_prom_word(struct iwi_softc *, u_int8_t);
140 static int iwi_newstate(struct ieee80211com *,
141 enum ieee80211_state, int);
142 static void iwi_fix_channel(struct iwi_softc *, struct mbuf *);
143 static void iwi_frame_intr(struct iwi_softc *,
144 struct iwi_rx_buf *, int, struct iwi_frame *);
145 static void iwi_notification_intr(struct iwi_softc *,
147 static void iwi_rx_intr(struct iwi_softc *);
148 static void iwi_tx_intr(struct iwi_softc *);
149 static void iwi_intr(void *);
150 static void iwi_dma_map_buf(void *, bus_dma_segment_t *, int,
152 static void iwi_dma_map_addr(void *, bus_dma_segment_t *, int, int);
153 static int iwi_cmd(struct iwi_softc *, u_int8_t, void *, u_int8_t,
155 static int iwi_tx_start(struct ifnet *, struct mbuf *,
156 struct ieee80211_node *);
157 static void iwi_start(struct ifnet *);
158 static void iwi_watchdog(struct ifnet *);
159 static int iwi_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *cr);
160 static void iwi_stop_master(struct iwi_softc *);
161 static int iwi_reset(struct iwi_softc *);
162 static int iwi_load_ucode(struct iwi_softc *, void *, int);
163 static int iwi_load_firmware(struct iwi_softc *, void *, int);
164 static int iwi_cache_firmware(struct iwi_softc *, void *, int);
165 static void iwi_free_firmware(struct iwi_softc *);
166 static int iwi_config(struct iwi_softc *);
167 static int iwi_scan(struct iwi_softc *);
168 static int iwi_auth_and_assoc(struct iwi_softc *);
169 static void iwi_init(void *);
170 static void iwi_init_locked(void *);
171 static void iwi_stop(void *);
172 static void iwi_dump_fw_event_log(struct iwi_softc *sc);
173 static void iwi_dump_fw_error_log(struct iwi_softc *sc);
174 static u_int8_t iwi_find_station(struct iwi_softc *sc, u_int8_t *mac);
175 static int8_t iwi_cache_station(struct iwi_softc *sc, u_int8_t *mac);
176 static int iwi_adapter_config(struct iwi_softc *sc, int is_a, int cmd_wait);
178 static int iwi_sysctl_bt_coexist(SYSCTL_HANDLER_ARGS);
179 static int iwi_sysctl_bg_autodetect(SYSCTL_HANDLER_ARGS);
180 static int iwi_sysctl_cts_to_self(SYSCTL_HANDLER_ARGS);
181 static int iwi_sysctl_antenna_diversity(SYSCTL_HANDLER_ARGS);
182 static int iwi_sysctl_radio(SYSCTL_HANDLER_ARGS);
183 static int iwi_sysctl_stats(SYSCTL_HANDLER_ARGS);
184 static int iwi_sysctl_dump_logs(SYSCTL_HANDLER_ARGS);
185 static int iwi_sysctl_neg_best_rates_first(SYSCTL_HANDLER_ARGS);
186 static int iwi_sysctl_disable_unicast_decryption(SYSCTL_HANDLER_ARGS);
187 static int iwi_sysctl_disable_multicast_decryption(SYSCTL_HANDLER_ARGS);
189 static __inline u_int8_t MEM_READ_1(struct iwi_softc *sc, u_int32_t addr)
191 CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
192 return CSR_READ_1(sc, IWI_CSR_INDIRECT_DATA);
195 static __inline u_int32_t MEM_READ_4(struct iwi_softc *sc, u_int32_t addr)
197 CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
198 return CSR_READ_4(sc, IWI_CSR_INDIRECT_DATA);
201 static int iwi_probe(device_t);
202 static int iwi_attach(device_t);
203 static int iwi_detach(device_t);
204 static int iwi_shutdown(device_t);
205 static int iwi_suspend(device_t);
206 static int iwi_resume(device_t);
208 static device_method_t iwi_methods[] = {
209 /* Device interface */
210 DEVMETHOD(device_probe, iwi_probe),
211 DEVMETHOD(device_attach, iwi_attach),
212 DEVMETHOD(device_detach, iwi_detach),
213 DEVMETHOD(device_shutdown, iwi_shutdown),
214 DEVMETHOD(device_suspend, iwi_suspend),
215 DEVMETHOD(device_resume, iwi_resume),
220 static driver_t iwi_driver = {
223 sizeof (struct iwi_softc),
229 static devclass_t iwi_devclass;
231 DRIVER_MODULE(iwi, pci, iwi_driver, iwi_devclass, 0, 0);
234 iwi_probe(device_t dev)
236 const struct iwi_ident *ident;
238 for (ident = iwi_ident_table; ident->name != NULL; ident++) {
239 if (pci_get_vendor(dev) == ident->vendor &&
240 pci_get_device(dev) == ident->device) {
241 device_set_desc(dev, ident->name);
249 iwi_fw_monitor(void *arg)
251 struct iwi_softc *sc = (struct iwi_softc *)arg;
254 error = tsleep(IWI_FW_WAKE_MONITOR(sc), 0, "iwifwm", 0 );
256 if ( sc->flags & IWI_FLAG_EXIT ) {
257 sc->flags &= ~( IWI_FLAG_EXIT );
259 } else if ( sc->flags & IWI_FLAG_RESET ) {
260 device_printf(sc->sc_dev, "firmware reset\n");
261 for ( boff = 1; sc->flags & IWI_FLAG_RESET ; boff++ ) {
262 if ( sc->debug_level > 0 )
263 iwi_dump_fw_error_log(sc);
265 if ((sc->flags & IWI_FLAG_FW_INITED))
266 sc->flags &= ~( IWI_FLAG_RESET );
267 error = tsleep( IWI_FW_CMD_ACKED(sc), 0,
268 "iwirun", boff * hz );
273 wakeup(IWI_FW_MON_EXIT(sc));
278 iwi_start_fw_monitor_thread( struct iwi_softc *sc )
280 if (kthread_create(iwi_fw_monitor, sc, &sc->event_thread,
281 "%s%d:fw-monitor", device_get_name(sc->sc_dev),
282 device_get_unit(sc->sc_dev))) {
283 device_printf (sc->sc_dev,
284 "unable to create firmware monitor thread.\n");
290 /* Base Address Register */
291 #define IWI_PCI_BAR0 0x10
294 iwi_attach(device_t dev)
296 struct iwi_softc *sc = device_get_softc(dev);
297 struct ieee80211com *ic = &sc->sc_ic;
298 struct ifnet *ifp = &ic->ic_if;
304 IWI_LOCK_INIT( &sc->sc_lock );
305 IWI_LOCK_INIT( &sc->sc_intrlock );
307 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
308 device_printf(dev, "chip is in D%d power mode "
309 "-- setting to D0\n", pci_get_powerstate(dev));
310 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
313 pci_write_config(dev, 0x41, 0, 1);
315 /* enable bus-mastering */
316 pci_enable_busmaster(dev);
318 sc->num_stations = 0;
320 /* map the register window */
322 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
323 if (sc->mem == NULL) {
324 device_printf(dev, "could not allocate memory resource\n");
329 sc->sc_st = rman_get_bustag(sc->mem);
330 sc->sc_sh = rman_get_bushandle(sc->mem);
333 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE |
335 if (sc->irq == NULL) {
336 device_printf(dev, "could not allocate interrupt resource\n");
341 error = iwi_reset(sc);
343 device_printf(dev, "could not reset adapter\n");
347 if (iwi_start_fw_monitor_thread(sc)) {
348 device_printf(dev, "could not start f/w reset thread\n");
353 error = iwi_dma_alloc(sc);
355 device_printf(dev, "could not allocate DMA resources\n");
359 ic->ic_phytype = IEEE80211_T_OFDM;
360 ic->ic_opmode = IEEE80211_M_STA;
361 ic->ic_state = IEEE80211_S_INIT;
363 /* set device capabilities */
364 ic->ic_caps = IEEE80211_C_IBSS | IEEE80211_C_PMGT | IEEE80211_C_WEP |
365 IEEE80211_C_TXPMGT | IEEE80211_C_SHPREAMBLE;
367 /* read MAC address from EEPROM */
368 val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 0);
369 ic->ic_myaddr[0] = val >> 8;
370 ic->ic_myaddr[1] = val & 0xff;
371 val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 1);
372 ic->ic_myaddr[2] = val >> 8;
373 ic->ic_myaddr[3] = val & 0xff;
374 val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 2);
375 ic->ic_myaddr[4] = val >> 8;
376 ic->ic_myaddr[5] = val & 0xff;
378 if (pci_get_device(dev) != 0x4220) {
379 /* set supported .11a rates */
380 ic->ic_sup_rates[IEEE80211_MODE_11A] = iwi_rateset_11a;
382 /* set supported .11a channels */
383 for (i = 36; i <= 64; i += 4) {
384 ic->ic_channels[i].ic_freq =
385 ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
386 ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
388 for (i = 149; i <= 165; i += 4) {
389 ic->ic_channels[i].ic_freq =
390 ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
391 ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
395 /* set supported .11b and .11g rates */
396 ic->ic_sup_rates[IEEE80211_MODE_11B] = iwi_rateset_11b;
397 ic->ic_sup_rates[IEEE80211_MODE_11G] = iwi_rateset_11g;
399 /* set supported .11b and .11g channels (1 through 14) */
400 for (i = 1; i <= 14; i++) {
401 ic->ic_channels[i].ic_freq =
402 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
403 ic->ic_channels[i].ic_flags =
404 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
405 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
408 /* default to authmode OPEN */
409 sc->authmode = IEEE80211_AUTH_OPEN;
411 /* IBSS channel undefined for now */
412 ic->ic_ibss_chan = &ic->ic_channels[0];
415 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
416 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
417 ifp->if_init = iwi_init_locked;
418 ifp->if_ioctl = iwi_ioctl;
419 ifp->if_start = iwi_start;
420 ifp->if_watchdog = iwi_watchdog;
421 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
422 ifq_set_ready(&ifp->if_snd);
424 ieee80211_ifattach(ifp);
425 /* override state transition machine */
426 sc->sc_newstate = ic->ic_newstate;
427 ic->ic_newstate = iwi_newstate;
428 ieee80211_media_init(ifp, iwi_media_change, iwi_media_status);
430 bpfattach_dlt(ifp, DLT_IEEE802_11_RADIO,
431 sizeof (struct ieee80211_frame) + 64, &sc->sc_drvbpf);
433 sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
434 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
435 sc->sc_rxtap.wr_ihdr.it_present = htole32(IWI_RX_RADIOTAP_PRESENT);
437 sc->sc_txtap_len = sizeof sc->sc_txtapu;
438 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
439 sc->sc_txtap.wt_ihdr.it_present = htole32(IWI_TX_RADIOTAP_PRESENT);
444 * use -1 to indicate 'default / not set'
447 sc->enable_bg_autodetect = -1;
448 sc->enable_bt_coexist = -1;
449 sc->enable_cts_to_self = -1;
450 sc->antenna_diversity = -1;
451 sc->enable_neg_best_first = -1;
452 sc->disable_unicast_decryption = -1;
453 sc->disable_multicast_decryption = -1;
455 sysctl_ctx_init(&sc->sysctl_ctx);
456 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
457 SYSCTL_STATIC_CHILDREN(_hw),
459 device_get_nameunit(dev),
463 if (sc->sysctl_tree == NULL) {
464 device_printf(dev, "sysctl add node failed\n");
469 SYSCTL_ADD_INT(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
470 OID_AUTO, "debug", CTLFLAG_RW, &sc->debug_level, 0,
471 "Set driver debug level (0 = off)");
473 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
474 SYSCTL_CHILDREN(sc->sysctl_tree),
475 OID_AUTO, "cts_to_self", CTLTYPE_INT|CTLFLAG_RW,
476 (void *)sc, 0, iwi_sysctl_cts_to_self, "I",
477 "Enable cts to self [0 = Off] [1 = On] [-1 = Auto]" );
479 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
480 SYSCTL_CHILDREN(sc->sysctl_tree),
481 OID_AUTO, "antenna_diversity", CTLTYPE_INT|CTLFLAG_RW,
482 (void *)sc, 0, iwi_sysctl_antenna_diversity,
483 "I", "Set antenna diversity [0 = Both] "
484 "[1 = Antenna A] [3 = Antenna B] [-1 = Auto]" );
486 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
487 SYSCTL_CHILDREN(sc->sysctl_tree),
488 OID_AUTO, "bluetooth_coexist", CTLTYPE_INT|CTLFLAG_RW,
489 (void *)sc, 0, iwi_sysctl_bt_coexist,
490 "I", "Enable bluetooth coexistence heuristics "
491 "[0 = Off] [1 = On] [-1 = Auto]" );
493 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
494 SYSCTL_CHILDREN(sc->sysctl_tree),
495 OID_AUTO, "bg_autodetect", CTLTYPE_INT|CTLFLAG_RW,
496 (void *)sc, 0, iwi_sysctl_bg_autodetect,
497 "I", "Set b/g autodetect [0 = Off] [1 = On] [-1 = Auto]" );
500 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
501 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "radio",
502 CTLTYPE_INT | CTLFLAG_RD, sc, 0, iwi_sysctl_radio, "I",
503 "Radio transmitter switch");
505 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
506 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "stats",
507 CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, iwi_sysctl_stats,
508 "S,iwi_dump_buffer", "statistics");
510 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
511 SYSCTL_CHILDREN(sc->sysctl_tree),
512 OID_AUTO, "firmware_logs", CTLTYPE_INT|CTLFLAG_RW,
513 (void *)sc, 0, iwi_sysctl_dump_logs, "I", "Dump firmware logs");
515 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
516 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
517 "neg_best_rates_first",
518 CTLTYPE_INT | CTLFLAG_RW, sc, 0,
519 iwi_sysctl_neg_best_rates_first, "I",
520 "Negotiate highest rates first.");
522 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
523 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
524 "disable_unicast_decrypt",
525 CTLTYPE_INT | CTLFLAG_RW, sc, 0,
526 iwi_sysctl_disable_unicast_decryption, "I",
527 "Disable unicast decryption.");
529 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
530 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
531 "disable_multicast_decrypt",
532 CTLTYPE_INT | CTLFLAG_RW, sc, 0,
533 iwi_sysctl_disable_multicast_decryption, "I",
534 "Disable multicast decryption.");
537 * Hook our interrupt after all initialization is complete
539 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
540 iwi_intr, sc, &sc->sc_ih, NULL);
542 device_printf(dev, "could not set up interrupt\n");
550 ieee80211_ifdetach(ifp);
557 iwi_detach(device_t dev)
559 struct iwi_softc *sc = device_get_softc(dev);
560 struct ifnet *ifp = &sc->sc_ic.ic_if;
564 sc->flags |= IWI_FLAG_EXIT;
565 wakeup(IWI_FW_WAKE_MONITOR(sc)); /* Stop firmware monitor. */
567 tsleep(IWI_FW_MON_EXIT(sc), 0, "iwiexi", 10 * hz);
572 if (device_is_attached(dev)) {
574 iwi_free_firmware(sc);
576 ieee80211_ifdetach(ifp);
579 if (sc->sysctl_tree) {
581 sysctl_ctx_free(&sc->sysctl_ctx);
586 if (sc->sc_ih != NULL)
587 bus_teardown_intr(dev, sc->irq, sc->sc_ih);
593 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
595 if (sc->mem != NULL) {
596 bus_release_resource(dev, SYS_RES_MEMORY, IWI_PCI_BAR0,
602 IWI_LOCK_DESTROY(&(sc->sc_lock));
603 IWI_LOCK_DESTROY(&(sc->sc_intrlock));
609 iwi_dma_alloc(struct iwi_softc *sc)
613 error = bus_dma_tag_create(NULL, /* parent */
615 BUS_SPACE_MAXADDR_32BIT,
619 BUS_SPACE_MAXSIZE_32BIT,
621 &sc->iwi_parent_tag );
623 device_printf(sc->sc_dev, "could not create parent tag\n");
627 * Allocate and map Tx ring
629 error = bus_dma_tag_create(sc->iwi_parent_tag, 4, 0, BUS_SPACE_MAXADDR_32BIT,
630 BUS_SPACE_MAXADDR, NULL, NULL,
631 sizeof (struct iwi_tx_desc) * IWI_TX_RING_SIZE, 1,
632 sizeof (struct iwi_tx_desc) * IWI_TX_RING_SIZE,
633 BUS_DMA_ALLOCNOW, &sc->tx_ring_dmat);
635 device_printf(sc->sc_dev, "could not create tx ring DMA tag\n");
639 error = bus_dmamem_alloc(sc->tx_ring_dmat,(void **) &sc->tx_desc,
640 BUS_DMA_WAITOK | BUS_DMA_ZERO, &sc->tx_ring_map);
642 device_printf(sc->sc_dev,
643 "could not allocate tx ring DMA memory\n");
647 error = bus_dmamap_load(sc->tx_ring_dmat, sc->tx_ring_map,
648 sc->tx_desc, sizeof (struct iwi_tx_desc) * IWI_TX_RING_SIZE,
649 iwi_dma_map_addr, &sc->tx_ring_pa, 0);
651 device_printf(sc->sc_dev, "could not load tx ring DMA map\n");
656 * Allocate and map command ring
658 error = bus_dma_tag_create(sc->iwi_parent_tag, 4, 0, BUS_SPACE_MAXADDR_32BIT,
659 BUS_SPACE_MAXADDR, NULL, NULL,
660 sizeof (struct iwi_cmd_desc) * IWI_CMD_RING_SIZE, 1,
661 sizeof (struct iwi_cmd_desc) * IWI_CMD_RING_SIZE,
665 device_printf(sc->sc_dev,
666 "could not create command ring DMA tag\n");
670 error = bus_dmamem_alloc(sc->cmd_ring_dmat, (void **)&sc->cmd_desc,
671 BUS_DMA_WAITOK | BUS_DMA_ZERO, &sc->cmd_ring_map);
673 device_printf(sc->sc_dev,
674 "could not allocate command ring DMA memory\n");
678 error = bus_dmamap_load(sc->cmd_ring_dmat, sc->cmd_ring_map,
679 sc->cmd_desc, sizeof (struct iwi_cmd_desc) * IWI_CMD_RING_SIZE,
680 iwi_dma_map_addr, &sc->cmd_ring_pa, 0);
682 device_printf(sc->sc_dev,
683 "could not load command ring DMA map\n");
688 * Allocate Tx buffers DMA maps
690 error = bus_dma_tag_create(sc->iwi_parent_tag, 1, 0, BUS_SPACE_MAXADDR_32BIT,
691 BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IWI_MAX_NSEG, MCLBYTES,
692 BUS_DMA_ALLOCNOW, &sc->tx_buf_dmat);
694 device_printf(sc->sc_dev, "could not create tx buf DMA tag\n");
698 for (i = 0; i < IWI_TX_RING_SIZE; i++) {
699 error = bus_dmamap_create(sc->tx_buf_dmat, 0,
702 device_printf(sc->sc_dev,
703 "could not create tx buf DMA map");
709 * Allocate and map Rx buffers
711 error = bus_dma_tag_create(sc->iwi_parent_tag, 1, 0, BUS_SPACE_MAXADDR_32BIT,
712 BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES,
713 BUS_DMA_ALLOCNOW, &sc->rx_buf_dmat);
715 device_printf(sc->sc_dev, "could not create rx buf DMA tag\n");
719 for (i = 0; i < IWI_RX_RING_SIZE; i++) {
721 error = bus_dmamap_create(sc->rx_buf_dmat, 0,
724 device_printf(sc->sc_dev,
725 "could not create rx buf DMA map");
729 sc->rx_buf[i].m = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
730 if (sc->rx_buf[i].m == NULL) {
731 device_printf(sc->sc_dev,
732 "could not allocate rx mbuf\n");
737 error = bus_dmamap_load(sc->rx_buf_dmat, sc->rx_buf[i].map,
738 mtod(sc->rx_buf[i].m, void *), MCLBYTES, iwi_dma_map_addr,
739 &sc->rx_buf[i].physaddr, 0);
741 device_printf(sc->sc_dev,
742 "could not load rx buf DMA map");
749 fail: iwi_release(sc);
754 iwi_release(struct iwi_softc *sc)
758 if (sc->tx_ring_dmat != NULL) {
759 if (sc->tx_desc != NULL) {
760 bus_dmamap_sync(sc->tx_ring_dmat, sc->tx_ring_map,
761 BUS_DMASYNC_POSTWRITE);
762 bus_dmamap_unload(sc->tx_ring_dmat, sc->tx_ring_map);
763 bus_dmamem_free(sc->tx_ring_dmat, sc->tx_desc,
766 bus_dma_tag_destroy(sc->tx_ring_dmat);
769 if (sc->cmd_ring_dmat != NULL) {
770 if (sc->cmd_desc != NULL) {
771 bus_dmamap_sync(sc->cmd_ring_dmat, sc->cmd_ring_map,
772 BUS_DMASYNC_POSTWRITE);
773 bus_dmamap_unload(sc->cmd_ring_dmat, sc->cmd_ring_map);
774 bus_dmamem_free(sc->cmd_ring_dmat, sc->cmd_desc,
777 bus_dma_tag_destroy(sc->cmd_ring_dmat);
780 if (sc->tx_buf_dmat != NULL) {
781 for (i = 0; i < IWI_TX_RING_SIZE; i++) {
782 if (sc->tx_buf[i].m != NULL) {
783 bus_dmamap_sync(sc->tx_buf_dmat,
784 sc->tx_buf[i].map, BUS_DMASYNC_POSTWRITE);
785 bus_dmamap_unload(sc->tx_buf_dmat,
787 m_freem(sc->tx_buf[i].m);
789 bus_dmamap_destroy(sc->tx_buf_dmat, sc->tx_buf[i].map);
791 bus_dma_tag_destroy(sc->tx_buf_dmat);
794 if (sc->rx_buf_dmat != NULL) {
795 for (i = 0; i < IWI_RX_RING_SIZE; i++) {
796 if (sc->rx_buf[i].m != NULL) {
797 bus_dmamap_sync(sc->rx_buf_dmat,
798 sc->rx_buf[i].map, BUS_DMASYNC_POSTREAD);
799 bus_dmamap_unload(sc->rx_buf_dmat,
801 m_freem(sc->rx_buf[i].m);
803 bus_dmamap_destroy(sc->rx_buf_dmat, sc->rx_buf[i].map);
805 bus_dma_tag_destroy(sc->rx_buf_dmat);
807 if ( sc->iwi_parent_tag != NULL ) {
808 bus_dma_tag_destroy(sc->iwi_parent_tag);
813 iwi_shutdown(device_t dev)
815 struct iwi_softc *sc = device_get_softc(dev);
828 iwi_suspend(device_t dev)
830 struct iwi_softc *sc = device_get_softc(dev);
844 iwi_resume(device_t dev)
846 struct iwi_softc *sc = device_get_softc(dev);
847 struct ifnet *ifp = &sc->sc_ic.ic_if;
852 pci_write_config(dev, 0x41, 0, 1);
854 if (ifp->if_flags & IFF_UP) {
855 ifp->if_init(ifp->if_softc);
856 if (ifp->if_flags & IFF_RUNNING)
866 iwi_media_change(struct ifnet *ifp)
868 struct iwi_softc *sc = ifp->if_softc;
874 error = ieee80211_media_change(ifp);
875 if (error != ENETRESET) {
879 error = 0; /* clear ENETRESET */
881 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)){
883 error = tsleep( IWI_FW_CMD_ACKED(sc), 0, "iwirun", hz );
893 iwi_media_status(struct ifnet *ifp, struct ifmediareq *imr)
895 struct iwi_softc *sc = ifp->if_softc;
896 struct ieee80211com *ic = &sc->sc_ic;
897 #define N(a) (sizeof (a) / sizeof (a[0]))
898 static const struct {
904 { IWI_RATE_DS5, 11 },
905 { IWI_RATE_DS11, 22 },
906 { IWI_RATE_OFDM6, 12 },
907 { IWI_RATE_OFDM9, 18 },
908 { IWI_RATE_OFDM12, 24 },
909 { IWI_RATE_OFDM18, 36 },
910 { IWI_RATE_OFDM24, 48 },
911 { IWI_RATE_OFDM36, 72 },
912 { IWI_RATE_OFDM48, 96 },
913 { IWI_RATE_OFDM54, 108 },
918 imr->ifm_status = IFM_AVALID;
919 imr->ifm_active = IFM_IEEE80211;
920 if (ic->ic_state == IEEE80211_S_RUN)
921 imr->ifm_status |= IFM_ACTIVE;
923 /* read current transmission rate from adapter */
924 val = CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE);
926 /* convert rate to 802.11 rate */
927 for (i = 0; i < N(rates) && rates[i].val != val ; i++);
928 rate = (i < N(rates)) ? rates[i].rate : 0;
930 imr->ifm_active |= ieee80211_rate2media(ic, rate, ic->ic_curmode);
931 switch (ic->ic_opmode) {
932 case IEEE80211_M_STA:
935 case IEEE80211_M_IBSS:
936 imr->ifm_active |= IFM_IEEE80211_ADHOC;
939 case IEEE80211_M_MONITOR:
940 imr->ifm_active |= IFM_IEEE80211_MONITOR;
943 case IEEE80211_M_AHDEMO:
944 case IEEE80211_M_HOSTAP:
945 /* should not get there */
952 iwi_disassociate( struct iwi_softc *sc )
954 sc->assoc.type = 2; /* DISASSOCIATE */
955 return iwi_cmd(sc, IWI_CMD_ASSOCIATE, &sc->assoc, sizeof sc->assoc, 0);
960 iwi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg __unused)
962 struct iwi_softc *sc = ic->ic_softc;
965 case IEEE80211_S_SCAN:
966 if ( sc->flags & IWI_FLAG_ASSOCIATED ) {
967 sc->flags &= ~( IWI_FLAG_ASSOCIATED );
968 iwi_disassociate(sc);
969 (void) tsleep( IWI_FW_DEASSOCIATED(sc),
973 if ( !(sc->flags & IWI_FLAG_SCANNING) &&
974 !(sc->flags & IWI_FLAG_RF_DISABLED) ) {
979 case IEEE80211_S_AUTH:
980 if ( sc->flags & IWI_FLAG_ASSOCIATED ) {
981 sc->flags &= ~( IWI_FLAG_ASSOCIATED );
982 iwi_disassociate(sc);
983 (void) tsleep( IWI_FW_DEASSOCIATED(sc), 0,
987 if ( iwi_auth_and_assoc(sc) != 0 )
988 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
991 case IEEE80211_S_RUN:
992 if (sc->flags & IWI_FLAG_SCAN_COMPLETE) {
993 sc->flags &= ~(IWI_FLAG_SCAN_COMPLETE);
994 if (ic->ic_opmode == IEEE80211_M_IBSS ||
995 ic->ic_opmode == IEEE80211_M_MONITOR ) {
997 * In IBSS mode, following an end_scan
998 * the ieee80211 stack state machine transitions
999 * straight to 'run' state. This is out of
1000 * step with the firmware which requires
1001 * an association first. Flip our state from
1002 * RUN back to AUTH to allow us to tell the
1003 * firmware to associate.
1005 ieee80211_new_state(ic, IEEE80211_S_AUTH, -1);
1010 case IEEE80211_S_ASSOC:
1012 case IEEE80211_S_INIT:
1013 sc->flags &= ~( IWI_FLAG_SCANNING | IWI_FLAG_ASSOCIATED );
1017 ic->ic_state = nstate;
1022 * Read 16 bits at address 'addr' from the serial EEPROM.
1023 * DON'T PLAY WITH THIS CODE UNLESS YOU KNOW *EXACTLY* WHAT YOU'RE DOING!
1026 iwi_read_prom_word(struct iwi_softc *sc, u_int8_t addr)
1032 /* Clock C once before the first command */
1033 IWI_EEPROM_CTL(sc, 0);
1034 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1035 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1036 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1038 /* Write start bit (1) */
1039 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
1040 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
1042 /* Write READ opcode (10) */
1043 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
1044 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
1045 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1046 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1048 /* Write address A7-A0 */
1049 for (n = 7; n >= 0; n--) {
1050 IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
1051 (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D));
1052 IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
1053 (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D) | IWI_EEPROM_C);
1056 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1058 /* Read data Q15-Q0 */
1060 for (n = 15; n >= 0; n--) {
1061 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1062 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1063 tmp = MEM_READ_4(sc, IWI_MEM_EEPROM_CTL);
1064 val |= ((tmp & IWI_EEPROM_Q) >> IWI_EEPROM_SHIFT_Q) << n;
1067 IWI_EEPROM_CTL(sc, 0);
1069 /* Clear Chip Select and clock C */
1070 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1071 IWI_EEPROM_CTL(sc, 0);
1072 IWI_EEPROM_CTL(sc, IWI_EEPROM_C);
1074 return be16toh(val);
1078 * XXX: Hack to set the current channel to the value advertised in beacons or
1079 * probe responses. Only used during AP detection.
1082 iwi_fix_channel(struct iwi_softc *sc, struct mbuf *m)
1084 struct ieee80211com *ic = &sc->sc_ic;
1085 struct ieee80211_frame *wh;
1087 u_int8_t *frm, *efrm;
1089 wh = mtod(m, struct ieee80211_frame *);
1091 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
1094 subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
1096 if (subtype != IEEE80211_FC0_SUBTYPE_BEACON &&
1097 subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP)
1101 * Cache station entries from beacons and probes.
1103 if ( iwi_find_station(sc, wh->i_addr2) == 0xff )
1104 iwi_cache_station(sc, wh->i_addr2);
1106 frm = (u_int8_t *)(wh + 1);
1107 efrm = mtod(m, u_int8_t *) + m->m_len;
1109 frm += 12; /* skip tstamp, bintval and capinfo fields */
1111 { /* XXX - debugging code */
1114 printf("Frame -->");
1115 for ( ptr = frm, cnt = 0 ; ptr < efrm ; ptr++, cnt++ ) {
1118 printf("0x%-2.2x ", *ptr);
1120 printf("<-- End Frame\n");
1124 while (frm < efrm) {
1125 if (*frm == IEEE80211_ELEMID_DSPARMS)
1126 #if IEEE80211_CHAN_MAX < 255
1127 if (frm[2] <= IEEE80211_CHAN_MAX)
1129 ic->ic_bss->ni_chan = &ic->ic_channels[frm[2]];
1131 frm += frm[1] + 2; /* advance to the next tag */
1136 iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_buf *buf, int i,
1137 struct iwi_frame *frame)
1139 struct ieee80211com *ic = &sc->sc_ic;
1140 struct ifnet *ifp = &ic->ic_if;
1142 struct ieee80211_frame *wh;
1143 struct ieee80211_node *ni;
1146 DPRINTFN(5, ("RX!DATA!%u!%u!%u\n", le16toh(frame->len), frame->chan,
1149 if (le16toh(frame->len) < sizeof (struct ieee80211_frame_min) ||
1150 le16toh(frame->len) > MCLBYTES) {
1151 device_printf(sc->sc_dev, "bad frame length\n");
1155 bus_dmamap_unload(sc->rx_buf_dmat, buf->map);
1159 m->m_pkthdr.rcvif = ifp;
1160 m->m_pkthdr.len = m->m_len = sizeof (struct iwi_hdr) +
1161 sizeof (struct iwi_frame) + le16toh(frame->len);
1163 m_adj(m, sizeof (struct iwi_hdr) + sizeof (struct iwi_frame));
1165 wh = mtod(m, struct ieee80211_frame *);
1166 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1168 * Hardware decrypts the frame itself but leaves the WEP bit
1169 * set in the 802.11 header and don't remove the iv and crc
1172 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
1173 bcopy(wh, (char *)wh + IEEE80211_WEP_IVLEN +
1174 IEEE80211_WEP_KIDLEN, sizeof (struct ieee80211_frame));
1175 m_adj(m, IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN);
1176 m_adj(m, -IEEE80211_WEP_CRCLEN);
1177 wh = mtod(m, struct ieee80211_frame *);
1180 if (sc->sc_drvbpf != NULL) {
1181 struct iwi_rx_radiotap_header *tap = &sc->sc_rxtap;
1184 tap->wr_rate = frame->rate;
1186 htole16(ic->ic_channels[frame->chan].ic_freq);
1187 tap->wr_chan_flags =
1188 htole16(ic->ic_channels[frame->chan].ic_flags);
1189 tap->wr_antsignal = frame->signal;
1190 tap->wr_antnoise = frame->noise;
1191 tap->wr_antenna = frame->antenna;
1193 bpf_ptap(sc->sc_drvbpf, m, tap, sc->sc_rxtap_len);
1196 if (ic->ic_state == IEEE80211_S_SCAN)
1197 iwi_fix_channel(sc, m);
1199 if (ic->ic_opmode != IEEE80211_M_STA) {
1200 ni = ieee80211_find_node(ic, wh->i_addr2);
1202 ni = ieee80211_ref_node(ic->ic_bss);
1204 ni = ieee80211_ref_node(ic->ic_bss);
1206 /* Send the frame to the upper layer */
1207 ieee80211_input(ifp, m, ni, IWI_RSSIDBM2RAW(frame->rssi_dbm), 0);
1209 if (ni == ic->ic_bss)
1210 ieee80211_unref_node(&ni);
1212 ieee80211_free_node(ic, ni);
1214 buf->m = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
1215 if (buf->m == NULL) {
1216 device_printf(sc->sc_dev, "could not allocate rx mbuf\n");
1220 error = bus_dmamap_load(sc->rx_buf_dmat, buf->map, mtod(buf->m, void *),
1221 MCLBYTES, iwi_dma_map_addr, &buf->physaddr, 0);
1223 device_printf(sc->sc_dev, "could not load rx buf DMA map\n");
1229 CSR_WRITE_4(sc, IWI_CSR_RX_BASE + i * 4, buf->physaddr);
1233 iwi_notification_intr(struct iwi_softc *sc, struct iwi_notif *notif)
1235 struct ieee80211com *ic = &sc->sc_ic;
1236 struct ifnet *ifp = &ic->ic_if;
1237 struct iwi_notif_scan_channel *chan;
1238 struct iwi_notif_scan_complete *scan;
1239 struct iwi_notif_authentication *auth;
1240 struct iwi_notif_association *assoc;
1242 switch (notif->type) {
1243 case IWI_NOTIF_TYPE_SCAN_CHANNEL:
1244 chan = (struct iwi_notif_scan_channel *)(notif + 1);
1246 DPRINTFN(2, ("Scan channel (%u)\n", chan->nchan));
1249 case IWI_NOTIF_TYPE_SCAN_COMPLETE:
1250 scan = (struct iwi_notif_scan_complete *)(notif + 1);
1252 DPRINTFN(2, ("Scan completed (%u, %u)\n", scan->nchan,
1255 sc->flags &= ~(IWI_FLAG_SCANNING);
1256 sc->flags |= IWI_FLAG_SCAN_COMPLETE;
1258 if ( sc->flags & IWI_FLAG_SCAN_ABORT ) {
1259 sc->flags &= ~(IWI_FLAG_SCAN_ABORT);
1260 wakeup(IWI_FW_SCAN_COMPLETED(sc));
1262 ieee80211_end_scan(ifp);
1263 wakeup(IWI_FW_SCAN_COMPLETED(sc));
1267 case IWI_NOTIF_TYPE_AUTHENTICATION:
1268 auth = (struct iwi_notif_authentication *)(notif + 1);
1270 DPRINTFN(2, ("Authentication (%u)\n", auth->state));
1272 switch (auth->state) {
1273 case IWI_AUTHENTICATED:
1274 ieee80211_new_state(ic, IEEE80211_S_ASSOC, -1);
1277 case IWI_DEAUTHENTICATED:
1278 ieee80211_begin_scan(ifp);/* not necessary */
1282 device_printf(sc->sc_dev,
1283 "unknown authentication state %u\n", auth->state);
1287 case IWI_NOTIF_TYPE_ASSOCIATION:
1288 assoc = (struct iwi_notif_association *)(notif + 1);
1290 DPRINTFN(2, ("Association (%u, %u)\n", assoc->state,
1293 switch (assoc->state) {
1294 case IWI_ASSOCIATED:
1295 sc->flags |= IWI_FLAG_ASSOCIATED;
1296 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1299 case IWI_DEASSOCIATED:
1300 sc->flags &= ~(IWI_FLAG_ASSOCIATED);
1301 wakeup(IWI_FW_DEASSOCIATED(sc));
1302 ieee80211_begin_scan(ifp);/* probably not necessary */
1306 device_printf(sc->sc_dev,
1307 "unknown association state %u\n", assoc->state);
1311 case IWI_NOTIF_TYPE_CALIBRATION:
1312 DPRINTFN(5, ("Notification calib (%u)\n", notif->type));
1314 case IWI_NOTIF_TYPE_BEACON:
1315 DPRINTFN(5, ("Notification beacon (%u)\n", notif->type));
1317 case IWI_NOTIF_TYPE_NOISE:
1318 DPRINTFN(5, ("Notification noise (%u)\n", notif->type));
1322 device_printf(sc->sc_dev, "unknown notification type %u\n",
1328 iwi_rx_intr(struct iwi_softc *sc)
1330 struct iwi_rx_buf *buf;
1331 struct iwi_hdr *hdr;
1334 r = CSR_READ_4(sc, IWI_CSR_RX_READ_INDEX);
1336 for (i = (sc->rx_cur + 1) % IWI_RX_RING_SIZE; i != r;
1337 i = (i + 1) % IWI_RX_RING_SIZE) {
1339 buf = &sc->rx_buf[i];
1341 bus_dmamap_sync(sc->rx_buf_dmat, buf->map,
1342 BUS_DMASYNC_POSTREAD);
1344 hdr = mtod(buf->m, struct iwi_hdr *);
1346 switch (hdr->type) {
1347 case IWI_HDR_TYPE_FRAME:
1348 iwi_frame_intr(sc, buf, i,
1349 (struct iwi_frame *)(hdr + 1));
1352 case IWI_HDR_TYPE_NOTIF:
1353 iwi_notification_intr(sc,
1354 (struct iwi_notif *)(hdr + 1));
1358 device_printf(sc->sc_dev, "unknown hdr type %u\n",
1363 /* Tell the firmware what we have processed */
1364 sc->rx_cur = (r == 0) ? IWI_RX_RING_SIZE - 1 : r - 1;
1365 CSR_WRITE_4(sc, IWI_CSR_RX_WRITE_INDEX, sc->rx_cur);
1369 iwi_tx_intr(struct iwi_softc *sc)
1371 struct ieee80211com *ic = &sc->sc_ic;
1372 struct ifnet *ifp = &ic->ic_if;
1373 struct iwi_tx_buf *buf;
1376 r = CSR_READ_4(sc, IWI_CSR_TX1_READ_INDEX);
1378 bus_dmamap_sync(sc->tx_ring_dmat, sc->tx_ring_map, BUS_DMASYNC_POSTWRITE);
1381 for (i = (sc->tx_old + 1) % IWI_TX_RING_SIZE; i != r;
1382 i = (i + 1) % IWI_TX_RING_SIZE) {
1384 buf = &sc->tx_buf[i];
1386 bus_dmamap_sync(sc->tx_buf_dmat, buf->map,
1387 BUS_DMASYNC_POSTWRITE);
1388 bus_dmamap_unload(sc->tx_buf_dmat, buf->map);
1391 if (buf->ni != ic->ic_bss)
1392 ieee80211_free_node(ic, buf->ni);
1397 /* kill watchdog timer */
1398 sc->sc_tx_timer = 0;
1401 /* Remember what the firmware has processed */
1402 sc->tx_old = (r == 0) ? IWI_TX_RING_SIZE - 1 : r - 1;
1404 /* Call start() since some buffer descriptors have been released */
1405 ifp->if_flags &= ~IFF_OACTIVE;
1406 (*ifp->if_start)(ifp);
1412 struct iwi_softc *sc = arg;
1413 struct ieee80211com *ic = &sc->sc_ic;
1414 struct ifnet *ifp = &ic->ic_if;
1421 if ((r = CSR_READ_4(sc, IWI_CSR_INTR)) == 0 || r == 0xffffffff) {
1426 /* Disable interrupts */
1427 CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0);
1429 DPRINTFN(8, ("INTR!0x%08x\n", r));
1431 sc->flags &= ~(IWI_FLAG_RF_DISABLED);
1433 if ( r & IWI_INTR_FATAL_ERROR ) {
1434 if ( !(sc->flags & (IWI_FLAG_RESET | IWI_FLAG_EXIT))) {
1435 sc->flags |= IWI_FLAG_RESET;
1436 wakeup(IWI_FW_WAKE_MONITOR(sc));
1440 if (r & IWI_INTR_PARITY_ERROR) {
1441 device_printf(sc->sc_dev, "fatal error\n");
1442 sc->sc_ic.ic_if.if_flags &= ~IFF_UP;
1448 if (r & IWI_INTR_FW_INITED) {
1449 if (!(r & (IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)))
1450 wakeup(IWI_FW_INITIALIZED(sc));
1453 if (r & IWI_INTR_RADIO_OFF) {
1454 DPRINTF(("radio transmitter off\n"));
1455 sc->sc_ic.ic_if.if_flags &= ~IFF_UP;
1459 sc->flags |= IWI_FLAG_RF_DISABLED;
1462 if (r & IWI_INTR_RX_TRANSFER)
1465 if (r & IWI_INTR_CMD_TRANSFER)
1466 wakeup(IWI_FW_CMD_ACKED(sc));
1468 if (r & IWI_INTR_TX1_TRANSFER)
1471 if (r & ~(IWI_HANDLED_INTR_MASK))
1472 device_printf(sc->sc_dev,
1473 "unhandled interrupt(s) INTR!0x%08x\n",
1474 r & ~(IWI_HANDLED_INTR_MASK));
1476 /* Acknowledge interrupts */
1477 CSR_WRITE_4(sc, IWI_CSR_INTR, r);
1479 /* Re-enable interrupts */
1480 CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK);
1484 if ((ifp->if_flags & IFF_RUNNING) && !ifq_is_empty(&ifp->if_snd))
1488 struct iwi_dma_mapping {
1489 bus_dma_segment_t segs[IWI_MAX_NSEG];
1495 iwi_dma_map_buf(void *arg, bus_dma_segment_t *segs, int nseg,
1496 bus_size_t mapsize, int error)
1498 struct iwi_dma_mapping *map = arg;
1503 KASSERT(nseg <= IWI_MAX_NSEG, ("too many DMA segments %d", nseg));
1505 bcopy(segs, map->segs, nseg * sizeof (bus_dma_segment_t));
1507 map->mapsize = mapsize;
1511 iwi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg __unused, int error)
1514 printf("iwi: fatal DMA mapping error !!!\n");
1518 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
1520 *(bus_addr_t *)arg = segs[0].ds_addr;
1524 iwi_cmd(struct iwi_softc *sc, u_int8_t type, void *data, u_int8_t len,
1527 struct iwi_cmd_desc *desc;
1529 DPRINTFN(2, ("TX!CMD!%u!%u\n", type, len));
1531 desc = &sc->cmd_desc[sc->cmd_cur];
1532 desc->hdr.type = IWI_HDR_TYPE_COMMAND;
1533 desc->hdr.flags = IWI_HDR_FLAG_IRQ;
1536 bcopy(data, desc->data, len);
1538 bus_dmamap_sync(sc->cmd_ring_dmat, sc->cmd_ring_map,
1539 BUS_DMASYNC_PREWRITE);
1541 sc->cmd_cur = (sc->cmd_cur + 1) % IWI_CMD_RING_SIZE;
1542 CSR_WRITE_4(sc, IWI_CSR_CMD_WRITE_INDEX, sc->cmd_cur);
1544 return async ? 0 : tsleep( IWI_FW_CMD_ACKED(sc), 0, "iwicmd", hz);
1548 iwi_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni)
1550 struct iwi_softc *sc = ifp->if_softc;
1551 struct ieee80211com *ic = &sc->sc_ic;
1552 struct ieee80211_frame *wh;
1553 struct iwi_tx_buf *buf;
1554 struct iwi_tx_desc *desc;
1555 struct iwi_dma_mapping map;
1559 IWI_IPLLOCK_INFO; /* XXX still need old ipl locking mech. here */
1562 if (sc->sc_drvbpf != NULL) {
1563 struct iwi_tx_radiotap_header *tap = &sc->sc_txtap;
1566 tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
1567 tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
1569 bpf_ptap(sc->sc_drvbpf, m0, tap, sc->sc_txtap_len);
1572 buf = &sc->tx_buf[sc->tx_cur];
1573 desc = &sc->tx_desc[sc->tx_cur];
1575 wh = mtod(m0, struct ieee80211_frame *);
1577 if ( (id = iwi_find_station( sc, wh->i_addr1 ) ) == 0xff )
1578 id = iwi_cache_station( sc, wh->i_addr1 );
1580 bzero( desc, sizeof (struct iwi_tx_desc) );
1581 desc->station_number = id;
1583 /* trim IEEE802.11 header */
1584 m_adj(m0, sizeof (struct ieee80211_frame));
1586 error = bus_dmamap_load_mbuf(sc->tx_buf_dmat, buf->map, m0,
1587 iwi_dma_map_buf, &map, BUS_DMA_NOWAIT);
1588 if (error != 0 && error != EFBIG) {
1589 device_printf(sc->sc_dev, "could not map mbuf (error %d)\n",
1596 mnew = m_defrag(m0, MB_DONTWAIT);
1598 device_printf(sc->sc_dev,
1599 "could not defragment mbuf\n");
1606 error = bus_dmamap_load_mbuf(sc->tx_buf_dmat, buf->map, m0,
1607 iwi_dma_map_buf, &map, BUS_DMA_NOWAIT);
1609 device_printf(sc->sc_dev,
1610 "could not map mbuf (error %d)\n", error);
1620 desc->hdr.type = IWI_HDR_TYPE_DATA;
1621 desc->hdr.flags = IWI_HDR_FLAG_IRQ;
1622 desc->cmd = IWI_DATA_CMD_TX;
1623 desc->len = htole16(m0->m_pkthdr.len);
1625 if (ic->ic_opmode == IEEE80211_M_IBSS) {
1626 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
1627 desc->flags |= IWI_DATA_FLAG_NEED_ACK;
1628 } else if (!IEEE80211_IS_MULTICAST(wh->i_addr3))
1629 desc->flags |= IWI_DATA_FLAG_NEED_ACK;
1631 if (ic->ic_flags & IEEE80211_F_WEPON) {
1632 wh->i_fc[1] |= IEEE80211_FC1_WEP;
1633 desc->wep_txkey = ic->ic_wep_txkey;
1635 desc->flags |= IWI_DATA_FLAG_NO_WEP;
1637 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
1638 desc->flags |= IWI_DATA_FLAG_SHPREAMBLE;
1640 bcopy(wh, &desc->wh, sizeof (struct ieee80211_frame));
1641 desc->nseg = htole32(map.nseg);
1642 for (i = 0; i < map.nseg; i++) {
1643 desc->seg_addr[i] = htole32(map.segs[i].ds_addr);
1644 desc->seg_len[i] = htole32(map.segs[i].ds_len);
1647 bus_dmamap_sync(sc->tx_buf_dmat, buf->map, BUS_DMASYNC_PREWRITE);
1648 bus_dmamap_sync(sc->tx_ring_dmat, sc->tx_ring_map,
1649 BUS_DMASYNC_PREWRITE);
1651 DPRINTFN(5, ("TX!DATA!%u!%u\n", desc->len, desc->nseg));
1653 /* Inform firmware about this new packet */
1655 sc->tx_cur = (sc->tx_cur + 1) % IWI_TX_RING_SIZE;
1656 CSR_WRITE_4(sc, IWI_CSR_TX1_WRITE_INDEX, sc->tx_cur);
1663 iwi_start(struct ifnet *ifp)
1665 struct iwi_softc *sc = ifp->if_softc;
1666 struct ieee80211com *ic = &sc->sc_ic;
1668 struct ieee80211_node *ni;
1670 if (ic->ic_state != IEEE80211_S_RUN) {
1675 m0 = ifq_poll(&ifp->if_snd);
1679 if (sc->tx_queued >= IWI_TX_RING_SIZE - 4) {
1680 ifp->if_flags |= IFF_OACTIVE;
1684 m0 = ifq_dequeue(&ifp->if_snd);
1688 m0 = ieee80211_encap(ifp, m0, &ni);
1692 if (ic->ic_rawbpf != NULL)
1693 bpf_mtap(ic->ic_rawbpf, m0);
1695 if (iwi_tx_start(ifp, m0, ni) != 0) {
1696 if (ni != NULL && ni != ic->ic_bss)
1697 ieee80211_free_node(ic, ni);
1701 /* start watchdog timer */
1702 sc->sc_tx_timer = 5;
1709 iwi_watchdog(struct ifnet *ifp)
1711 struct iwi_softc *sc = ifp->if_softc;
1715 if (sc->sc_tx_timer > 0) {
1716 if (--sc->sc_tx_timer == 0) {
1717 if_printf(ifp, "device timeout\n");
1718 wakeup(IWI_FW_WAKE_MONITOR(sc));
1724 ieee80211_watchdog(ifp);
1729 iwi_wi_ioctl_get(struct ifnet *ifp, caddr_t data)
1733 struct iwi_softc *sc;
1737 ifr = (struct ifreq *)data;
1738 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
1742 switch (wreq.wi_type) {
1743 case WI_RID_READ_APS:
1744 ieee80211_begin_scan(ifp);
1745 (void) tsleep(IWI_FW_SCAN_COMPLETED(sc),
1746 PCATCH, "ssidscan", hz * 2);
1747 ieee80211_end_scan(ifp);
1760 iwi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
1762 struct iwi_softc *sc = ifp->if_softc;
1764 struct ieee80211req *ireq;
1774 * Handle this here instead of in net80211_ioctl.c
1775 * so that we can lock (IWI_LOCK) the call to
1778 ifa = (struct ifaddr *) data;
1779 switch (ifa->ifa_addr->sa_family) {
1782 if ((ifp->if_flags & IFF_UP) == 0) {
1783 ifp->if_flags |= IFF_UP;
1784 ifp->if_init(ifp->if_softc);
1786 arp_ifinit(ifp, ifa);
1790 #warning "IPX support has not been tested"
1792 * XXX - This code is probably wrong,
1793 * but has been copied many times.
1796 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
1797 struct arpcom *ac = (struct arpcom *)ifp;
1799 if (ipx_nullhost(*ina))
1800 ina->x_host = *(union ipx_host *) ac->ac_enaddr;
1802 bcopy((caddr_t) ina->x_host.c_host,
1803 (caddr_t) ac->ac_enaddr,
1804 sizeof(ac->ac_enaddr));
1809 if ((ifp->if_flags & IFF_UP) == 0) {
1810 ifp->if_flags |= IFF_UP;
1811 ifp->if_init(ifp->if_softc);
1818 if (ifp->if_flags & IFF_UP) {
1819 if (!(ifp->if_flags & IFF_RUNNING)) {
1821 error = tsleep(IWI_FW_CMD_ACKED(sc), 0,
1825 if (ifp->if_flags & IFF_RUNNING) {
1832 case SIOCSLOADIBSSFW:
1833 /* only super-user can do that! */
1834 if ((error = suser(curthread)) != 0)
1837 ifr = (struct ifreq *)data;
1838 error = iwi_cache_firmware(sc, ifr->ifr_data,
1839 (cmd == SIOCSLOADIBSSFW) ? 1 : 0);
1843 /* only super-user can do that! */
1844 if ((error = suser(curthread)) != 0)
1847 ifp->if_flags &= ~IFF_UP;
1849 iwi_free_firmware(sc);
1853 ireq = (struct ieee80211req *)data;
1854 switch (ireq->i_type) {
1855 case IEEE80211_IOC_AUTHMODE:
1856 ireq->i_val = sc->authmode;
1860 error = ieee80211_ioctl(ifp, cmd, data, cr);
1865 /* only super-user can do that! */
1866 if ((error = suser(curthread)) != 0)
1869 ireq = (struct ieee80211req *)data;
1870 switch (ireq->i_type) {
1871 case IEEE80211_IOC_AUTHMODE:
1872 sc->authmode = ireq->i_val;
1876 error = ieee80211_ioctl(ifp, cmd, data, cr);
1879 case SIOCGIFGENERIC:
1880 if (sc->flags & IWI_FLAG_FW_INITED) {
1881 error = iwi_wi_ioctl_get(ifp, data);
1883 error = ieee80211_ioctl(ifp, cmd, data, cr);
1886 if (error != ENOTTY)
1890 error = ieee80211_ioctl(ifp, cmd, data, cr);
1893 if (error == ENETRESET) {
1895 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
1896 (IFF_UP | IFF_RUNNING)) {
1898 error = tsleep(IWI_FW_CMD_ACKED(sc), 0, "iwirun", hz);
1908 iwi_abort_scan( struct iwi_softc *sc )
1910 sc->flags |= IWI_FLAG_SCAN_ABORT;
1911 return iwi_cmd(sc, IWI_CMD_SCAN_ABORT, NULL, 0, 1);
1915 iwi_stop_master(struct iwi_softc *sc)
1920 * If the master is busy scanning, we will occasionally
1921 * timeout waiting for it (the master) to stop. Make the
1922 * 'stopping' process more robust by ceasing all scans
1923 * prior to asking for the stop.
1925 if ( ( sc->flags & IWI_FLAG_SCANNING ) &&
1926 !( sc->flags & IWI_FLAG_RF_DISABLED ) ) {
1928 if (( sc->flags & IWI_FLAG_SCAN_ABORT ) &&
1929 !( sc->flags & IWI_FLAG_RF_DISABLED )) {
1930 (void) tsleep(IWI_FW_SCAN_COMPLETED(sc), 0,
1934 /* Disable interrupts */
1936 CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0);
1938 CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_STOP_MASTER);
1939 for (ntries = 0; ntries < 5; ntries++) {
1940 if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
1944 if (ntries == 5 && sc->debug_level > 0)
1945 device_printf(sc->sc_dev, "timeout waiting for master\n");
1947 CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) |
1948 IWI_RST_PRINCETON_RESET);
1950 sc->flags &= ~IWI_FLAG_FW_INITED;
1954 iwi_reset(struct iwi_softc *sc)
1958 iwi_stop_master(sc);
1960 /* Move adapter to D0 state */
1961 CSR_WRITE_4(sc, IWI_CSR_CTL, CSR_READ_4(sc, IWI_CSR_CTL) |
1964 /* Initialize Phase-Locked Level (PLL) */
1965 CSR_WRITE_4(sc, IWI_CSR_READ_INT, IWI_READ_INT_INIT_HOST);
1967 /* Wait for clock stabilization */
1968 for (ntries = 0; ntries < 1000; ntries++) {
1969 if (CSR_READ_4(sc, IWI_CSR_CTL) & IWI_CTL_CLOCK_READY)
1973 if (ntries == 1000) {
1977 CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) |
1982 CSR_WRITE_4(sc, IWI_CSR_CTL, CSR_READ_4(sc, IWI_CSR_CTL) |
1986 /* Clear NIC memory */
1987 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0);
1989 for (i = 0; i < 0xc000; i++) {
1990 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
1993 sc->num_stations = 0;
1998 iwi_load_ucode(struct iwi_softc *sc, void *uc, int size)
2003 CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) |
2004 IWI_RST_STOP_MASTER);
2005 for (ntries = 0; ntries < 5; ntries++) {
2006 if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
2011 device_printf(sc->sc_dev, "timeout waiting for master\n");
2015 MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
2017 CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) &
2018 ~IWI_RST_PRINCETON_RESET);
2020 MEM_WRITE_4(sc, 0x3000e0, 0);
2022 MEM_WRITE_4(sc, 0x300004, 1);
2024 MEM_WRITE_4(sc, 0x300004, 0);
2026 MEM_WRITE_1(sc, 0x200000, 0x00);
2027 MEM_WRITE_1(sc, 0x200000, 0x40);
2030 /* Adapter is buggy, we must set the address for each word */
2031 for (w = uc; size > 0; w++, size -= 2)
2032 MEM_WRITE_2(sc, 0x200010, *w);
2034 MEM_WRITE_1(sc, 0x200000, 0x00);
2035 MEM_WRITE_1(sc, 0x200000, 0x80);
2037 /* Wait until we get a response in the uc queue */
2038 for (ntries = 0; ntries < 100; ntries++) {
2039 if (MEM_READ_1(sc, 0x200000) & 1)
2043 if (ntries == 100) {
2044 device_printf(sc->sc_dev,
2045 "timeout waiting for ucode to initialize\n");
2049 /* Empty the uc queue or the firmware will not initialize properly */
2050 for (i = 0; i < 7; i++)
2051 MEM_READ_4(sc, 0x200004);
2053 MEM_WRITE_1(sc, 0x200000, 0x00);
2058 /* macro to handle unaligned little endian data in firmware image */
2059 #define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24)
2061 iwi_load_firmware(struct iwi_softc *sc, void *fw, int size)
2065 bus_addr_t physaddr;
2068 u_int32_t sentinel, ctl, src, dst, sum, len, mlen;
2069 int ntries, error = 0;
2071 sc->flags &= ~(IWI_FLAG_FW_INITED);
2073 /* Allocate DMA memory for storing firmware image */
2074 error = bus_dma_tag_create(sc->iwi_parent_tag, 1, 0, BUS_SPACE_MAXADDR_32BIT,
2075 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, BUS_DMA_ALLOCNOW, &dmat);
2077 device_printf(sc->sc_dev,
2078 "could not create firmware DMA tag\n");
2083 * We cannot map fw directly because of some hardware constraints on
2084 * the mapping address.
2086 error = bus_dmamem_alloc(dmat, &virtaddr, BUS_DMA_WAITOK, &map);
2088 device_printf(sc->sc_dev,
2089 "could not allocate firmware DMA memory\n");
2093 error = bus_dmamap_load(dmat, map, virtaddr, size, iwi_dma_map_addr,
2096 device_printf(sc->sc_dev, "could not load firmware DMA map\n");
2100 /* Copy firmware image to DMA memory */
2101 bcopy(fw, virtaddr, size);
2103 /* Make sure the adapter will get up-to-date values */
2104 bus_dmamap_sync(dmat, map, BUS_DMASYNC_PREWRITE);
2106 /* Tell the adapter where the command blocks are stored */
2107 MEM_WRITE_4(sc, 0x3000a0, 0x27000);
2110 * Store command blocks into adapter's internal memory using register
2111 * indirections. The adapter will read the firmware image through DMA
2112 * using information stored in command blocks.
2117 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0x27000);
2120 dst = GETLE32(p); p += 4; src += 4;
2121 len = GETLE32(p); p += 4; src += 4;
2125 mlen = min(len, IWI_CB_MAXDATALEN);
2127 ctl = IWI_CB_DEFAULT_CTL | mlen;
2128 sum = ctl ^ src ^ dst;
2130 /* Write a command block */
2131 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, ctl);
2132 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, src);
2133 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, dst);
2134 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, sum);
2142 /* Write a fictive final command block (sentinel) */
2143 sentinel = CSR_READ_4(sc, IWI_CSR_AUTOINC_ADDR);
2144 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
2146 CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) &
2147 ~(IWI_RST_MASTER_DISABLED | IWI_RST_STOP_MASTER));
2149 /* Tell the adapter to start processing command blocks */
2150 MEM_WRITE_4(sc, 0x3000a4, 0x540100);
2152 /* Wait until the adapter has processed all command blocks */
2153 for (ntries = 0; ntries < 400; ntries++) {
2154 if (MEM_READ_4(sc, 0x3000d0) >= sentinel)
2158 if (ntries == 400) {
2159 device_printf(sc->sc_dev,
2160 "timeout processing command blocks\n");
2166 /* We're done with command blocks processing */
2167 MEM_WRITE_4(sc, 0x3000a4, 0x540c00);
2169 /* Allow interrupts so we know when the firmware is inited */
2170 CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK);
2172 /* Tell the adapter to initialize the firmware */
2173 CSR_WRITE_4(sc, IWI_CSR_RST, 0);
2174 CSR_WRITE_4(sc, IWI_CSR_CTL, CSR_READ_4(sc, IWI_CSR_CTL) |
2175 IWI_CTL_ALLOW_STANDBY);
2177 /* Wait at most one second for firmware initialization to complete */
2178 if ((error = tsleep(IWI_FW_INITIALIZED(sc), 0, "iwiini", hz)) != 0) {
2179 device_printf(sc->sc_dev, "timeout waiting for firmware "
2180 "initialization to complete\n");
2184 fail4: bus_dmamap_sync(dmat, map, BUS_DMASYNC_POSTWRITE);
2185 bus_dmamap_unload(dmat, map);
2186 fail3: bus_dmamem_free(dmat, virtaddr, map);
2187 fail2: bus_dma_tag_destroy(dmat);
2193 * Store firmware into kernel memory so we can download it when we need to,
2194 * e.g when the adapter wakes up from suspend mode.
2197 iwi_cache_firmware(struct iwi_softc *sc, void *data, int is_ibss)
2199 struct iwi_firmware *kfw = &sc->fw;
2200 struct iwi_firmware ufw;
2203 iwi_free_firmware(sc);
2206 * mutex(9): no mutexes should be held across functions which access
2207 * memory in userspace, such as copyin(9) [...]
2210 if ((error = copyin(data, &ufw, sizeof ufw)) != 0)
2213 kfw->boot_size = ufw.boot_size;
2214 kfw->ucode_size = ufw.ucode_size;
2215 kfw->main_size = ufw.main_size;
2217 kfw->boot = malloc(kfw->boot_size, M_DEVBUF, M_WAITOK);
2218 if (kfw->boot == NULL) {
2223 kfw->ucode = malloc(kfw->ucode_size, M_DEVBUF, M_WAITOK);
2224 if (kfw->ucode == NULL) {
2229 kfw->main = malloc(kfw->main_size, M_DEVBUF, M_WAITOK);
2230 if (kfw->main == NULL) {
2235 if ((error = copyin(ufw.boot, kfw->boot, kfw->boot_size)) != 0)
2238 if ((error = copyin(ufw.ucode, kfw->ucode, kfw->ucode_size)) != 0)
2241 if ((error = copyin(ufw.main, kfw->main, kfw->main_size)) != 0)
2244 DPRINTF(("Firmware cached: boot %u, ucode %u, main %u\n",
2245 kfw->boot_size, kfw->ucode_size, kfw->main_size));
2248 sc->flags |= IWI_FLAG_FW_CACHED;
2249 sc->flags |= is_ibss ? IWI_FLAG_FW_IBSS : 0;
2252 fail4: free(kfw->boot, M_DEVBUF);
2253 fail3: free(kfw->ucode, M_DEVBUF);
2254 fail2: free(kfw->main, M_DEVBUF);
2261 iwi_free_firmware(struct iwi_softc *sc)
2263 if (!(sc->flags & IWI_FLAG_FW_CACHED))
2266 free(sc->fw.boot, M_DEVBUF);
2267 free(sc->fw.ucode, M_DEVBUF);
2268 free(sc->fw.main, M_DEVBUF);
2270 sc->flags &= ~( IWI_FLAG_FW_CACHED | IWI_FLAG_FW_IBSS );
2274 iwi_adapter_config(struct iwi_softc *sc, int is_a, int cmd_wait)
2276 struct iwi_configuration config;
2278 bzero(&config, sizeof config);
2279 config.enable_multicast = 1;
2280 config.noise_reported = 1;
2282 config.bg_autodetect =
2284 ( sc->enable_bg_autodetect != 0 ) ) ? 1 : 0; /* default: on */
2286 config.bluetooth_coexistence =
2287 ( sc->enable_bt_coexist != 0 ) ? 1 : 0; /* default: on */
2289 config.enable_cts_to_self =
2290 ( sc->enable_cts_to_self > 0 ) ? 1 : 0; /* default: off */
2292 if (sc->antenna_diversity > 0 ) { /* default: BOTH */
2293 switch( sc->antenna_diversity ) {
2295 config.antenna_diversity = sc->antenna_diversity;
2299 config.disable_unicast_decryption =
2300 ( sc->disable_unicast_decryption != 0 ) ? 1 : 0; /* default: on */
2302 config.disable_multicast_decryption =
2303 ( sc->disable_multicast_decryption != 0 ) ? 1 : 0;/* default: on */
2306 if ( sc->debug_level > 0 ) {
2307 printf("config.bluetooth_coexistence = %d\n",
2308 config.bluetooth_coexistence );
2309 printf("config.bg_autodetect = %d\n",
2310 config.bg_autodetect );
2311 printf("config.enable_cts_to_self = %d\n",
2312 config.enable_cts_to_self );
2313 printf("config.antenna_diversity = %d\n",
2314 config.antenna_diversity );
2315 printf("config.disable_unicast_decryption = %d\n",
2316 config.disable_unicast_decryption );
2317 printf("config.disable_multicast_decryption = %d\n",
2318 config.disable_multicast_decryption );
2319 printf("config.neg_best_rates_first = %d\n",
2320 sc->enable_neg_best_first );
2323 return iwi_cmd(sc, IWI_CMD_SET_CONFIGURATION, &config,
2324 sizeof config, cmd_wait );
2328 iwi_config(struct iwi_softc *sc)
2330 struct ieee80211com *ic = &sc->sc_ic;
2331 struct ifnet *ifp = &ic->ic_if;
2332 struct iwi_rateset rs;
2333 struct iwi_txpower power;
2334 struct ieee80211_wepkey *k;
2335 struct iwi_wep_key wepkey;
2339 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
2340 DPRINTF(("Setting MAC address to %6D\n", ic->ic_myaddr, ":"));
2341 error = iwi_cmd(sc, IWI_CMD_SET_MAC_ADDRESS, ic->ic_myaddr,
2342 IEEE80211_ADDR_LEN, 0);
2346 DPRINTF(("Configuring adapter\n"));
2347 if ((error = iwi_adapter_config(sc, 1, 0)) != 0)
2350 data = htole32(IWI_POWER_MODE_CAM);
2351 DPRINTF(("Setting power mode to %u\n", le32toh(data)));
2352 error = iwi_cmd(sc, IWI_CMD_SET_POWER_MODE, &data, sizeof data, 0);
2356 data = htole32(ic->ic_rtsthreshold);
2357 DPRINTF(("Setting RTS threshold to %u\n", le32toh(data)));
2358 error = iwi_cmd(sc, IWI_CMD_SET_RTS_THRESHOLD, &data, sizeof data, 0);
2362 if (ic->ic_opmode == IEEE80211_M_IBSS) {
2363 power.mode = IWI_MODE_11B;
2365 for (i = 0; i < 11; i++) {
2366 power.chan[i].chan = i + 1;
2367 power.chan[i].power = IWI_TXPOWER_MAX;
2369 DPRINTF(("Setting .11b channels tx power\n"));
2370 error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power,
2375 power.mode = IWI_MODE_11G;
2376 DPRINTF(("Setting .11g channels tx power\n"));
2377 error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power,
2383 rs.mode = IWI_MODE_11G;
2384 rs.type = IWI_RATESET_TYPE_SUPPORTED;
2385 rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates;
2386 bcopy(ic->ic_sup_rates[IEEE80211_MODE_11G].rs_rates, rs.rates,
2388 DPRINTF(("Setting .11bg supported rates (%u)\n", rs.nrates));
2389 error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs, 0);
2393 rs.mode = IWI_MODE_11A;
2394 rs.type = IWI_RATESET_TYPE_SUPPORTED;
2395 rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates;
2396 bcopy(ic->ic_sup_rates[IEEE80211_MODE_11A].rs_rates, rs.rates,
2398 DPRINTF(("Setting .11a supported rates (%u)\n", rs.nrates));
2399 error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs, 0);
2403 data = htole32(arc4random());
2404 DPRINTF(("Setting initialization vector to %u\n", le32toh(data)));
2405 error = iwi_cmd(sc, IWI_CMD_SET_IV, &data, sizeof data, 0);
2409 if (ic->ic_flags & IEEE80211_F_WEPON) {
2411 for (i = 0; i < IEEE80211_WEP_NKID; i++, k++) {
2412 wepkey.cmd = IWI_WEP_KEY_CMD_SETKEY;
2414 wepkey.len = k->wk_len;
2415 bzero(wepkey.key, sizeof wepkey.key);
2416 bcopy(k->wk_key, wepkey.key, k->wk_len);
2417 DPRINTF(("Setting wep key index %u len %u\n",
2418 wepkey.idx, wepkey.len));
2419 error = iwi_cmd(sc, IWI_CMD_SET_WEP_KEY, &wepkey,
2426 /* Enable adapter */
2427 DPRINTF(("Enabling adapter\n"));
2428 return iwi_cmd(sc, IWI_CMD_ENABLE, NULL, 0, 0);
2432 iwi_scan(struct iwi_softc *sc)
2434 struct ieee80211com *ic = &sc->sc_ic;
2435 struct iwi_scan scan;
2438 int do_5ghz_scan = 0;
2440 sc->scan_counter++; /* track the number of scans started */
2442 sc->flags |= IWI_FLAG_SCANNING;
2444 bzero(&scan, sizeof scan);
2447 * Alternate two broadcast scans with
2448 * two broadcast/direct scans.
2450 if ( sc->scan_counter & 2 ) {
2451 scan.type = IWI_SCAN_TYPE_BROADCAST_AND_DIRECT;
2452 scan.intval = htole16(100);
2454 scan.type = IWI_SCAN_TYPE_BROADCAST;
2455 scan.intval = htole16(40);
2461 * If we have .11a capable adapter, and
2462 * - we are in .11a mode, or
2463 * - we are in auto mode and this is an odd numbered scan
2464 * then do a 5GHz scan, otherwise do a 2GHz scan.
2466 if ( ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates > 0 ) {
2467 if (( ic->ic_curmode == IEEE80211_MODE_11A ) ||
2468 (( ic->ic_curmode == IEEE80211_MODE_AUTO ) &&
2469 ( sc->scan_counter & 1)))
2473 if ( do_5ghz_scan ) {
2474 DPRINTF(("Scanning 5GHz band\n"));
2475 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
2476 if (IEEE80211_IS_CHAN_5GHZ(&ic->ic_channels[i]) &&
2477 isset(ic->ic_chan_active, i)) {
2482 *(p - count) = IWI_CHAN_5GHZ | count;
2484 DPRINTF(("Scanning 2GHz band\n"));
2485 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
2486 if (IEEE80211_IS_CHAN_2GHZ(&ic->ic_channels[i]) &&
2487 isset(ic->ic_chan_active, i)) {
2492 *(p - count) = IWI_CHAN_2GHZ | count;
2494 return iwi_cmd(sc, IWI_CMD_SCAN, &scan, sizeof scan, 1);
2498 iwi_auth_and_assoc(struct iwi_softc *sc)
2500 struct ieee80211com *ic = &sc->sc_ic;
2501 struct ifnet *ifp = &ic->ic_if;
2502 struct ieee80211_node *ni = ic->ic_bss;
2503 struct iwi_rateset rs;
2507 if ( ( sc->flags & IWI_FLAG_FW_IBSS ) &&
2508 !( ni->ni_capinfo & IEEE80211_CAPINFO_IBSS ) ) {
2509 return -1; /* IBSS F/W requires network ibss capability */
2512 DPRINTF(("Configuring adapter\n"));
2513 if ((error = iwi_adapter_config(sc,
2514 IEEE80211_IS_CHAN_5GHZ(ni->ni_chan), 1)) != 0)
2518 if (sc->debug_level > 0) {
2519 printf("Setting ESSID to ");
2520 ieee80211_print_essid(ni->ni_essid, ni->ni_esslen);
2524 error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ni->ni_essid, ni->ni_esslen, 1);
2528 /* the rate set has already been "negotiated" */
2529 rs.mode = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? IWI_MODE_11A :
2531 rs.type = IWI_RATESET_TYPE_NEGOTIATED;
2532 rs.nrates = ni->ni_rates.rs_nrates;
2533 if ( sc->enable_neg_best_first != 1 ) {
2534 bcopy(ni->ni_rates.rs_rates, rs.rates, rs.nrates);
2536 for ( x = 0 ; x < rs.nrates; x++ ) {
2538 * Present the firmware with the most favourable
2539 * of the negotiated rates first.
2541 rs.rates[rs.nrates-x-1] = ni->ni_rates.rs_rates[x];
2545 if ( sc->debug_level > 0 ) {
2546 printf("Setting negotiated rates (%u) : ", rs.nrates);
2547 for ( x = 0 ; x < rs.nrates; x++ ) {
2548 printf("%d ", rs.rates[x]);
2553 error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs, 1);
2557 data = htole32(ni->ni_rssi);
2558 DPRINTF(("Setting sensitivity to %d\n", (int8_t)ni->ni_rssi));
2559 error = iwi_cmd(sc, IWI_CMD_SET_SENSITIVITY, &data, sizeof data, 1);
2563 bzero(&sc->assoc, sizeof sc->assoc);
2564 sc->assoc.mode = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? IWI_MODE_11A :
2566 sc->assoc.chan = ieee80211_chan2ieee(ic, ni->ni_chan);
2567 if (sc->authmode == IEEE80211_AUTH_SHARED)
2568 sc->assoc.auth = (ic->ic_wep_txkey << 4) | IWI_AUTH_SHARED;
2569 bcopy(ni->ni_tstamp, sc->assoc.tstamp, 8);
2570 sc->assoc.capinfo = htole16(ni->ni_capinfo);
2571 sc->assoc.lintval = htole16(ic->ic_lintval);
2572 sc->assoc.intval = htole16(ni->ni_intval);
2573 IEEE80211_ADDR_COPY(sc->assoc.bssid, ni->ni_bssid);
2574 if ( ic->ic_opmode == IEEE80211_M_IBSS )
2575 IEEE80211_ADDR_COPY(sc->assoc.dst, ifp->if_broadcastaddr);
2577 IEEE80211_ADDR_COPY(sc->assoc.dst, ni->ni_bssid);
2579 DPRINTF(("Trying to associate to %6D channel %u auth %u\n",
2580 sc->assoc.bssid, ":", sc->assoc.chan, sc->assoc.auth));
2581 return iwi_cmd(sc, IWI_CMD_ASSOCIATE, &sc->assoc, sizeof sc->assoc, 1);
2585 iwi_init(void *priv)
2587 struct iwi_softc *sc = priv;
2588 struct ieee80211com *ic = &sc->sc_ic;
2589 struct ifnet *ifp = &ic->ic_if;
2590 struct iwi_firmware *fw = &sc->fw;
2593 /* exit immediately if firmware has not been ioctl'd */
2594 if (!(sc->flags & IWI_FLAG_FW_CACHED)) {
2595 ifp->if_flags &= ~IFF_UP;
2601 if (iwi_reset(sc) != 0) {
2602 device_printf(sc->sc_dev, "could not reset adapter\n");
2606 if (iwi_load_firmware(sc, fw->boot, fw->boot_size) != 0) {
2607 device_printf(sc->sc_dev, "could not load boot firmware\n");
2611 if (iwi_load_ucode(sc, fw->ucode, fw->ucode_size) != 0) {
2612 device_printf(sc->sc_dev, "could not load microcode\n");
2616 iwi_stop_master(sc);
2620 sc->tx_old = IWI_TX_RING_SIZE - 1;
2622 sc->rx_cur = IWI_RX_RING_SIZE - 1;
2624 CSR_WRITE_4(sc, IWI_CSR_CMD_BASE, sc->cmd_ring_pa);
2625 CSR_WRITE_4(sc, IWI_CSR_CMD_SIZE, IWI_CMD_RING_SIZE);
2626 CSR_WRITE_4(sc, IWI_CSR_CMD_READ_INDEX, 0);
2627 CSR_WRITE_4(sc, IWI_CSR_CMD_WRITE_INDEX, sc->cmd_cur);
2629 CSR_WRITE_4(sc, IWI_CSR_TX1_BASE, sc->tx_ring_pa);
2630 CSR_WRITE_4(sc, IWI_CSR_TX1_SIZE, IWI_TX_RING_SIZE);
2631 CSR_WRITE_4(sc, IWI_CSR_TX1_READ_INDEX, 0);
2632 CSR_WRITE_4(sc, IWI_CSR_TX1_WRITE_INDEX, sc->tx_cur);
2634 CSR_WRITE_4(sc, IWI_CSR_TX2_BASE, sc->tx_ring_pa);
2635 CSR_WRITE_4(sc, IWI_CSR_TX2_SIZE, IWI_TX_RING_SIZE);
2636 CSR_WRITE_4(sc, IWI_CSR_TX2_READ_INDEX, 0);
2637 CSR_WRITE_4(sc, IWI_CSR_TX2_WRITE_INDEX, 0);
2639 CSR_WRITE_4(sc, IWI_CSR_TX3_BASE, sc->tx_ring_pa);
2640 CSR_WRITE_4(sc, IWI_CSR_TX3_SIZE, IWI_TX_RING_SIZE);
2641 CSR_WRITE_4(sc, IWI_CSR_TX3_READ_INDEX, 0);
2642 CSR_WRITE_4(sc, IWI_CSR_TX3_WRITE_INDEX, 0);
2644 CSR_WRITE_4(sc, IWI_CSR_TX4_BASE, sc->tx_ring_pa);
2645 CSR_WRITE_4(sc, IWI_CSR_TX4_SIZE, IWI_TX_RING_SIZE);
2646 CSR_WRITE_4(sc, IWI_CSR_TX4_READ_INDEX, 0);
2647 CSR_WRITE_4(sc, IWI_CSR_TX4_WRITE_INDEX, 0);
2649 for (i = 0; i < IWI_RX_RING_SIZE; i++)
2650 CSR_WRITE_4(sc, IWI_CSR_RX_BASE + i * 4,
2651 sc->rx_buf[i].physaddr);
2656 CSR_WRITE_4(sc, IWI_CSR_RX_WRITE_INDEX, sc->rx_cur);
2657 CSR_WRITE_4(sc, IWI_CSR_RX_READ_INDEX, 0);
2659 if (iwi_load_firmware(sc, fw->main, fw->main_size) != 0) {
2660 device_printf(sc->sc_dev, "could not load main firmware\n");
2665 * Force the opmode based on what firmware is loaded. This
2666 * stops folks from killing the firmware by asking it to
2667 * do something it doesn't support.
2669 if ( ic->ic_opmode != IEEE80211_M_MONITOR ) {
2670 ic->ic_opmode = ( sc->flags & IWI_FLAG_FW_IBSS )
2671 ? IEEE80211_M_IBSS : IEEE80211_M_STA;
2674 sc->flags |= IWI_FLAG_FW_INITED;
2676 sc->flags &= ~( IWI_FLAG_SCANNING |
2677 IWI_FLAG_SCAN_COMPLETE |
2678 IWI_FLAG_SCAN_ABORT |
2679 IWI_FLAG_ASSOCIATED );
2681 if (iwi_config(sc) != 0) {
2682 device_printf(sc->sc_dev, "device configuration failed\n");
2686 if ( ic->ic_opmode != IEEE80211_M_MONITOR ) {
2687 ieee80211_begin_scan(ifp);
2688 ifp->if_flags &= ~IFF_OACTIVE;
2689 ifp->if_flags |= IFF_RUNNING;
2691 ieee80211_begin_scan(ifp);
2692 ifp->if_flags &= ~IFF_OACTIVE;
2693 ifp->if_flags |= IFF_RUNNING;
2699 if ( !(sc->flags & IWI_FLAG_RESET) )
2700 ifp->if_flags &= ~IFF_UP;
2705 iwi_init_locked(void *priv)
2707 struct iwi_softc *sc = priv;
2715 iwi_stop(void *priv)
2717 struct iwi_softc *sc = priv;
2718 struct ieee80211com *ic = &sc->sc_ic;
2719 struct ifnet *ifp = &ic->ic_if;
2720 struct iwi_tx_buf *buf;
2723 iwi_stop_master(sc);
2724 CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_SW_RESET);
2727 * Release Tx buffers
2729 for (i = 0; i < IWI_TX_RING_SIZE; i++) {
2730 buf = &sc->tx_buf[i];
2732 if (buf->m != NULL) {
2733 bus_dmamap_sync(sc->tx_buf_dmat, buf->map,
2734 BUS_DMASYNC_POSTWRITE);
2735 bus_dmamap_unload(sc->tx_buf_dmat, buf->map);
2739 if (buf->ni != NULL) {
2740 if (buf->ni != ic->ic_bss)
2741 ieee80211_free_node(ic, buf->ni);
2748 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
2750 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
2754 iwi_cache_station(struct iwi_softc *sc, u_int8_t *mac)
2756 int i, x, base, elemsize = sizeof(struct iwi_fw_station);
2757 for (i = 0; i < sc->num_stations; i++)
2758 if (!memcmp(sc->stations[i], mac, IEEE80211_ADDR_LEN))
2760 if (i == IWI_FW_MAX_STATIONS)
2762 memcpy(sc->stations[i], mac, IEEE80211_ADDR_LEN);
2763 for (x = 0, base = IWI_STATION_TABLE + (i * elemsize) ;
2764 x < IEEE80211_ADDR_LEN ; x++ ) {
2765 CSR_WRITE_1(sc, base + x, mac[x]);
2767 if ( (i + 1) > sc->num_stations )
2773 iwi_find_station(struct iwi_softc *sc, u_int8_t *mac)
2776 for (i = 0; i < sc->num_stations; i++)
2777 if (!memcmp(sc->stations[i], mac, IEEE80211_ADDR_LEN))
2783 iwi_error_desc(u_int32_t val)
2786 case IWI_FW_ERROR_OK:
2788 case IWI_FW_ERROR_FAIL:
2790 case IWI_FW_ERROR_MEMORY_UNDERFLOW:
2791 return "MEMORY_UNDERFLOW";
2792 case IWI_FW_ERROR_MEMORY_OVERFLOW:
2793 return "MEMORY_OVERFLOW";
2794 case IWI_FW_ERROR_BAD_PARAM:
2795 return "BAD_PARAMETER";
2796 case IWI_FW_ERROR_BAD_CHECKSUM:
2797 return "BAD_CHECKSUM";
2798 case IWI_FW_ERROR_NMI_INTERRUPT:
2799 return "NMI_INTERRUPT";
2800 case IWI_FW_ERROR_BAD_DATABASE:
2801 return "BAD_DATABASE";
2802 case IWI_FW_ERROR_ALLOC_FAIL:
2803 return "ALLOC_FAIL";
2804 case IWI_FW_ERROR_DMA_UNDERRUN:
2805 return "DMA_UNDERRUN";
2806 case IWI_FW_ERROR_DMA_STATUS:
2807 return "DMA_STATUS";
2808 case IWI_FW_ERROR_DINOSTATUS_ERROR:
2809 return "DINOSTATUS_ERROR";
2810 case IWI_FW_ERROR_EEPROMSTATUS_ERROR:
2811 return "EEPROMSTATUS_ERROR";
2812 case IWI_FW_ERROR_SYSASSERT:
2814 case IWI_FW_ERROR_FATAL_ERROR:
2817 return "UNKNOWN_ERROR";
2822 iwi_dump_fw_event_log(struct iwi_softc *sc)
2824 u_int32_t ev, time, data, i, count, base;
2825 base = CSR_READ_4(sc, IWI_FW_EVENT_LOG);
2826 count = MEM_READ_4(sc, base);
2827 if ( count > 0 && (sc->flags & IWI_FLAG_FW_INITED) ) {
2828 printf("Reading %d event log entries from base address 0x%x.\n",
2830 if (IWI_FW_EVENT_START_OFFSET <= count * IWI_FW_EVENT_ELEM_SIZE)
2831 device_printf(sc->sc_dev,"Start IWI Event Log Dump:\n");
2832 for (i = IWI_FW_EVENT_START_OFFSET;
2833 i <= count * IWI_FW_EVENT_ELEM_SIZE;
2834 i += IWI_FW_EVENT_ELEM_SIZE) {
2835 ev = MEM_READ_4(sc, base + i);
2836 time = MEM_READ_4(sc, base + i + 1 * sizeof(u_int32_t));
2837 data = MEM_READ_4(sc, base + i + 2 * sizeof(u_int32_t));
2838 printf("%d %8p %8.8d\n", time, (void *) data, ev);
2841 printf("There are no entries in the firmware event log.\n");
2846 iwi_dump_fw_error_log(struct iwi_softc *sc)
2849 int32_t count, base;
2850 base = CSR_READ_4(sc, IWI_FW_ERROR_LOG);
2851 count = MEM_READ_4(sc, base);
2852 if ( count > 0 && (sc->flags & IWI_FLAG_FW_INITED) ) {
2853 printf("Reading %d error log entries "
2854 "from base address 0x%p.\n", count, (void *)base);
2855 for ( i = IWI_FW_ERROR_START_OFFSET;
2856 i <= count * IWI_FW_EVENT_ELEM_SIZE;
2857 i += IWI_FW_ERROR_ELEM_SIZE ) {
2860 iwi_error_desc(MEM_READ_4(sc, base + i)));
2861 printf(" time(%8.8d)", MEM_READ_4(sc, base + i + 4));
2862 for ( elems = 2 ; elems < 7 ; elems++ ) {
2863 printf(" %8p", (void *)
2864 MEM_READ_4(sc, base + i + (4 * elems)));
2872 iwi_sysctl_cts_to_self(SYSCTL_HANDLER_ARGS)
2874 struct iwi_softc *sc = (void *)arg1;
2875 int cts_to_self = sc->enable_cts_to_self;
2876 int error = sysctl_handle_int(oidp, &cts_to_self, 0, req);
2878 (void)arg2; /* silence WARNS == 6 */
2880 if ( !error && req->newptr && cts_to_self != sc->enable_cts_to_self ) {
2881 switch ( cts_to_self ) {
2882 case -1: case 0: case 1:
2883 sc->enable_cts_to_self = cts_to_self;
2884 error = iwi_adapter_config(sc, 0, 0);
2893 iwi_sysctl_antenna_diversity(SYSCTL_HANDLER_ARGS)
2895 struct iwi_softc *sc = (void *)arg1;
2896 int antenna_diversity = sc->antenna_diversity;
2897 int error = sysctl_handle_int(oidp, &antenna_diversity, 0, req);
2899 (void)arg2; /* silence WARNS == 6 */
2901 if ( !error && req->newptr && antenna_diversity != sc->antenna_diversity ) {
2902 switch ( antenna_diversity ) {
2903 case 1: case 3: case 0: case -1:
2904 sc->antenna_diversity = antenna_diversity;
2905 error = iwi_adapter_config(sc, 0, 0);
2913 iwi_sysctl_bg_autodetect(SYSCTL_HANDLER_ARGS)
2915 struct iwi_softc *sc = (void *)arg1;
2916 int bg_autodetect = sc->enable_bg_autodetect;
2917 int error = sysctl_handle_int(oidp, &bg_autodetect, 0, req);
2919 (void)arg2; /* silence WARNS == 6 */
2921 if ( !error && req->newptr && bg_autodetect != sc->enable_bg_autodetect ) {
2922 switch ( bg_autodetect ) {
2923 case 1: case 0: case -1:
2924 sc->enable_bg_autodetect = bg_autodetect;
2925 error = iwi_adapter_config(sc, 0, 0);
2933 iwi_sysctl_bt_coexist(SYSCTL_HANDLER_ARGS)
2935 struct iwi_softc *sc = (void *)arg1;
2936 int bt_coexist = sc->enable_bt_coexist;
2937 int error = sysctl_handle_int(oidp, &bt_coexist, 0, req);
2939 (void)arg2; /* silence WARNS == 6 */
2941 if ( !error && req->newptr && bt_coexist != sc->enable_bt_coexist ) {
2942 switch ( bt_coexist ) {
2943 case 1: case 0: case -1:
2944 sc->enable_bt_coexist = bt_coexist;
2945 error = iwi_adapter_config(sc, 0, 0);
2953 iwi_sysctl_dump_logs(SYSCTL_HANDLER_ARGS)
2955 struct iwi_softc *sc = arg1;
2957 int error = sysctl_handle_int(oidp, &result, 0, req);
2959 (void)arg2; /* silence WARNS == 6 */
2961 if (!error && req->newptr && result == 1) {
2962 iwi_dump_fw_event_log(sc);
2963 iwi_dump_fw_error_log(sc);
2969 iwi_sysctl_stats(SYSCTL_HANDLER_ARGS)
2971 struct iwi_softc *sc = arg1;
2973 struct iwi_dump_buffer dump;
2975 (void)arg2; /* silence WARNS == 6 */
2976 (void)oidp; /* silence WARNS == 6 */
2978 if (!(sc->flags & IWI_FLAG_FW_INITED)) {
2979 bzero(dump.buf, sizeof dump.buf);
2980 return SYSCTL_OUT(req, &dump, sizeof dump);
2983 size = min(CSR_READ_4(sc, IWI_CSR_TABLE0_SIZE), 128 - 1);
2984 CSR_READ_REGION_4(sc, IWI_CSR_TABLE0_BASE, &dump.buf[1], size);
2986 return SYSCTL_OUT(req, &dump, sizeof dump);
2990 iwi_sysctl_radio(SYSCTL_HANDLER_ARGS)
2992 struct iwi_softc *sc = arg1;
2995 (void)arg2; /* silence WARNS == 6 */
2996 (void)oidp; /* silence WARNS == 6 */
2998 val = (CSR_READ_4(sc, IWI_CSR_IO) & IWI_IO_RADIO_ENABLED) ? 1 : 0;
2999 return SYSCTL_OUT(req, &val, sizeof val);
3003 iwi_sysctl_neg_best_rates_first(SYSCTL_HANDLER_ARGS)
3005 struct iwi_softc *sc = arg1;
3006 int best_first = sc->enable_neg_best_first;
3007 int error = sysctl_handle_int(oidp, &best_first, 0, req);
3009 (void)arg2; /* silence WARNS == 6 */
3010 (void)oidp; /* silence WARNS == 6 */
3012 if ( !error && req->newptr && best_first != sc->enable_neg_best_first ) {
3013 switch ( best_first ) {
3014 case 1: case 0: case -1:
3015 sc->enable_neg_best_first = best_first;
3023 iwi_sysctl_disable_unicast_decryption(SYSCTL_HANDLER_ARGS)
3025 struct iwi_softc *sc = arg1;
3026 int disable_uni = sc->disable_unicast_decryption;
3027 int error = sysctl_handle_int(oidp, &disable_uni, 0, req);
3029 (void)arg2; /* silence WARNS == 6 */
3030 (void)oidp; /* silence WARNS == 6 */
3032 if (!error && req->newptr && disable_uni != sc->disable_unicast_decryption) {
3033 switch ( disable_uni ) {
3034 case 1: case 0: case -1:
3035 sc->disable_unicast_decryption = disable_uni;
3043 iwi_sysctl_disable_multicast_decryption(SYSCTL_HANDLER_ARGS)
3045 struct iwi_softc *sc = arg1;
3046 int disable_mul = sc->disable_multicast_decryption;
3047 int error = sysctl_handle_int(oidp, &disable_mul, 0, req);
3049 (void)arg2; /* silence WARNS == 6 */
3050 (void)oidp; /* silence WARNS == 6 */
3052 if (!error && req->newptr && disable_mul!=sc->disable_multicast_decryption){
3053 switch ( disable_mul ) {
3054 case 1: case 0: case -1:
3055 sc->disable_multicast_decryption = disable_mul;