2 * Copyright (c) 2004, 2005
3 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
4 * Copyright (c) 2005-2006 Sam Leffler, Errno Consulting
5 * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
34 * Intel(R) PRO/Wireless 2200BG/2225BG/2915ABG driver
35 * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm
38 #include <sys/param.h>
39 #include <sys/sysctl.h>
40 #include <sys/sockio.h>
42 #include <sys/kernel.h>
43 #include <sys/socket.h>
44 #include <sys/systm.h>
45 #include <sys/malloc.h>
47 #include <sys/mutex.h>
48 #include <sys/module.h>
50 #include <sys/endian.h>
52 #include <sys/mount.h>
53 #include <sys/namei.h>
54 #include <sys/linker.h>
55 #include <sys/firmware.h>
56 #include <sys/taskqueue.h>
58 #include <machine/bus.h>
59 #include <machine/resource.h>
62 #include <dev/pci/pcireg.h>
63 #include <dev/pci/pcivar.h>
67 #include <net/if_arp.h>
68 #include <net/ethernet.h>
69 #include <net/if_dl.h>
70 #include <net/if_media.h>
71 #include <net/if_types.h>
73 #include <net80211/ieee80211_var.h>
74 #include <net80211/ieee80211_radiotap.h>
75 #include <net80211/ieee80211_input.h>
76 #include <net80211/ieee80211_regdomain.h>
78 #include <netinet/in.h>
79 #include <netinet/in_systm.h>
80 #include <netinet/in_var.h>
81 #include <netinet/ip.h>
82 #include <netinet/if_ether.h>
84 #include <dev/iwi/if_iwireg.h>
85 #include <dev/iwi/if_iwivar.h>
89 #define DPRINTF(x) do { if (iwi_debug > 0) printf x; } while (0)
90 #define DPRINTFN(n, x) do { if (iwi_debug >= (n)) printf x; } while (0)
92 SYSCTL_INT(_debug, OID_AUTO, iwi, CTLFLAG_RW, &iwi_debug, 0, "iwi debug level");
94 static const char *iwi_fw_states[] = {
95 "IDLE", /* IWI_FW_IDLE */
96 "LOADING", /* IWI_FW_LOADING */
97 "ASSOCIATING", /* IWI_FW_ASSOCIATING */
98 "DISASSOCIATING", /* IWI_FW_DISASSOCIATING */
99 "SCANNING", /* IWI_FW_SCANNING */
103 #define DPRINTFN(n, x)
106 MODULE_DEPEND(iwi, pci, 1, 1, 1);
107 MODULE_DEPEND(iwi, wlan, 1, 1, 1);
108 MODULE_DEPEND(iwi, firmware, 1, 1, 1);
122 static const struct iwi_ident iwi_ident_table[] = {
123 { 0x8086, 0x4220, "Intel(R) PRO/Wireless 2200BG" },
124 { 0x8086, 0x4221, "Intel(R) PRO/Wireless 2225BG" },
125 { 0x8086, 0x4223, "Intel(R) PRO/Wireless 2915ABG" },
126 { 0x8086, 0x4224, "Intel(R) PRO/Wireless 2915ABG" },
131 static struct ieee80211vap *iwi_vap_create(struct ieee80211com *,
132 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
133 const uint8_t [IEEE80211_ADDR_LEN],
134 const uint8_t [IEEE80211_ADDR_LEN]);
135 static void iwi_vap_delete(struct ieee80211vap *);
136 static void iwi_dma_map_addr(void *, bus_dma_segment_t *, int, int);
137 static int iwi_alloc_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *,
139 static void iwi_reset_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *);
140 static void iwi_free_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *);
141 static int iwi_alloc_tx_ring(struct iwi_softc *, struct iwi_tx_ring *,
142 int, bus_addr_t, bus_addr_t);
143 static void iwi_reset_tx_ring(struct iwi_softc *, struct iwi_tx_ring *);
144 static void iwi_free_tx_ring(struct iwi_softc *, struct iwi_tx_ring *);
145 static int iwi_alloc_rx_ring(struct iwi_softc *, struct iwi_rx_ring *,
147 static void iwi_reset_rx_ring(struct iwi_softc *, struct iwi_rx_ring *);
148 static void iwi_free_rx_ring(struct iwi_softc *, struct iwi_rx_ring *);
149 static struct ieee80211_node *iwi_node_alloc(struct ieee80211vap *,
150 const uint8_t [IEEE80211_ADDR_LEN]);
151 static void iwi_node_free(struct ieee80211_node *);
152 static void iwi_media_status(struct ifnet *, struct ifmediareq *);
153 static int iwi_newstate(struct ieee80211vap *, enum ieee80211_state, int);
154 static void iwi_wme_init(struct iwi_softc *);
155 static int iwi_wme_setparams(struct iwi_softc *, struct ieee80211com *);
156 static void iwi_update_wme(void *, int);
157 static int iwi_wme_update(struct ieee80211com *);
158 static uint16_t iwi_read_prom_word(struct iwi_softc *, uint8_t);
159 static void iwi_frame_intr(struct iwi_softc *, struct iwi_rx_data *, int,
161 static void iwi_notification_intr(struct iwi_softc *, struct iwi_notif *);
162 static void iwi_rx_intr(struct iwi_softc *);
163 static void iwi_tx_intr(struct iwi_softc *, struct iwi_tx_ring *);
164 static void iwi_intr(void *);
165 static int iwi_cmd(struct iwi_softc *, uint8_t, void *, uint8_t);
166 static void iwi_write_ibssnode(struct iwi_softc *, const u_int8_t [], int);
167 static int iwi_tx_start(struct ifnet *, struct mbuf *,
168 struct ieee80211_node *, int);
169 static int iwi_raw_xmit(struct ieee80211_node *, struct mbuf *,
170 const struct ieee80211_bpf_params *);
171 static void iwi_start_locked(struct ifnet *);
172 static void iwi_start(struct ifnet *);
173 static void iwi_watchdog(void *);
174 static int iwi_ioctl(struct ifnet *, u_long, caddr_t);
175 static void iwi_stop_master(struct iwi_softc *);
176 static int iwi_reset(struct iwi_softc *);
177 static int iwi_load_ucode(struct iwi_softc *, const struct iwi_fw *);
178 static int iwi_load_firmware(struct iwi_softc *, const struct iwi_fw *);
179 static void iwi_release_fw_dma(struct iwi_softc *sc);
180 static int iwi_config(struct iwi_softc *);
181 static int iwi_get_firmware(struct iwi_softc *, enum ieee80211_opmode);
182 static void iwi_put_firmware(struct iwi_softc *);
183 static void iwi_monitor_scan(void *, int);
184 static int iwi_scanchan(struct iwi_softc *, unsigned long, int);
185 static void iwi_scan_start(struct ieee80211com *);
186 static void iwi_scan_end(struct ieee80211com *);
187 static void iwi_set_channel(struct ieee80211com *);
188 static void iwi_scan_curchan(struct ieee80211_scan_state *, unsigned long maxdwell);
189 static void iwi_scan_mindwell(struct ieee80211_scan_state *);
190 static int iwi_auth_and_assoc(struct iwi_softc *, struct ieee80211vap *);
191 static void iwi_disassoc(void *, int);
192 static int iwi_disassociate(struct iwi_softc *, int quiet);
193 static void iwi_init_locked(struct iwi_softc *);
194 static void iwi_init(void *);
195 static int iwi_init_fw_dma(struct iwi_softc *, int);
196 static void iwi_stop_locked(void *);
197 static void iwi_stop(struct iwi_softc *);
198 static void iwi_restart(void *, int);
199 static int iwi_getrfkill(struct iwi_softc *);
200 static void iwi_radio_on(void *, int);
201 static void iwi_radio_off(void *, int);
202 static void iwi_sysctlattach(struct iwi_softc *);
203 static void iwi_led_event(struct iwi_softc *, int);
204 static void iwi_ledattach(struct iwi_softc *);
206 static int iwi_probe(device_t);
207 static int iwi_attach(device_t);
208 static int iwi_detach(device_t);
209 static int iwi_shutdown(device_t);
210 static int iwi_suspend(device_t);
211 static int iwi_resume(device_t);
213 static device_method_t iwi_methods[] = {
214 /* Device interface */
215 DEVMETHOD(device_probe, iwi_probe),
216 DEVMETHOD(device_attach, iwi_attach),
217 DEVMETHOD(device_detach, iwi_detach),
218 DEVMETHOD(device_shutdown, iwi_shutdown),
219 DEVMETHOD(device_suspend, iwi_suspend),
220 DEVMETHOD(device_resume, iwi_resume),
225 static driver_t iwi_driver = {
228 sizeof (struct iwi_softc)
231 static devclass_t iwi_devclass;
233 DRIVER_MODULE(iwi, pci, iwi_driver, iwi_devclass, 0, 0);
235 MODULE_VERSION(iwi, 1);
237 static __inline uint8_t
238 MEM_READ_1(struct iwi_softc *sc, uint32_t addr)
240 CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
241 return CSR_READ_1(sc, IWI_CSR_INDIRECT_DATA);
244 static __inline uint32_t
245 MEM_READ_4(struct iwi_softc *sc, uint32_t addr)
247 CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
248 return CSR_READ_4(sc, IWI_CSR_INDIRECT_DATA);
252 iwi_probe(device_t dev)
254 const struct iwi_ident *ident;
256 for (ident = iwi_ident_table; ident->name != NULL; ident++) {
257 if (pci_get_vendor(dev) == ident->vendor &&
258 pci_get_device(dev) == ident->device) {
259 device_set_desc(dev, ident->name);
266 /* Base Address Register */
267 #define IWI_PCI_BAR0 0x10
270 iwi_attach(device_t dev)
272 struct iwi_softc *sc = device_get_softc(dev);
274 struct ieee80211com *ic;
278 uint8_t macaddr[IEEE80211_ADDR_LEN];
282 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
284 device_printf(dev, "can not if_alloc()\n");
291 sc->sc_unr = new_unrhdr(1, IWI_MAX_IBSSNODE-1, &sc->sc_mtx);
293 TASK_INIT(&sc->sc_radiontask, 0, iwi_radio_on, sc);
294 TASK_INIT(&sc->sc_radiofftask, 0, iwi_radio_off, sc);
295 TASK_INIT(&sc->sc_restarttask, 0, iwi_restart, sc);
296 TASK_INIT(&sc->sc_disassoctask, 0, iwi_disassoc, sc);
297 TASK_INIT(&sc->sc_wmetask, 0, iwi_update_wme, sc);
298 TASK_INIT(&sc->sc_monitortask, 0, iwi_monitor_scan, sc);
300 callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0);
301 callout_init_mtx(&sc->sc_rftimer, &sc->sc_mtx, 0);
303 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
304 device_printf(dev, "chip is in D%d power mode "
305 "-- setting to D0\n", pci_get_powerstate(dev));
306 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
309 pci_write_config(dev, 0x41, 0, 1);
311 /* enable bus-mastering */
312 pci_enable_busmaster(dev);
314 sc->mem_rid = IWI_PCI_BAR0;
315 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
317 if (sc->mem == NULL) {
318 device_printf(dev, "could not allocate memory resource\n");
322 sc->sc_st = rman_get_bustag(sc->mem);
323 sc->sc_sh = rman_get_bushandle(sc->mem);
326 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
327 RF_ACTIVE | RF_SHAREABLE);
328 if (sc->irq == NULL) {
329 device_printf(dev, "could not allocate interrupt resource\n");
333 if (iwi_reset(sc) != 0) {
334 device_printf(dev, "could not reset adapter\n");
341 if (iwi_alloc_cmd_ring(sc, &sc->cmdq, IWI_CMD_RING_COUNT) != 0) {
342 device_printf(dev, "could not allocate Cmd ring\n");
346 for (i = 0; i < 4; i++) {
347 error = iwi_alloc_tx_ring(sc, &sc->txq[i], IWI_TX_RING_COUNT,
348 IWI_CSR_TX1_RIDX + i * 4,
349 IWI_CSR_TX1_WIDX + i * 4);
351 device_printf(dev, "could not allocate Tx ring %d\n",
357 if (iwi_alloc_rx_ring(sc, &sc->rxq, IWI_RX_RING_COUNT) != 0) {
358 device_printf(dev, "could not allocate Rx ring\n");
365 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
366 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
367 ifp->if_init = iwi_init;
368 ifp->if_ioctl = iwi_ioctl;
369 ifp->if_start = iwi_start;
370 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
371 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
372 IFQ_SET_READY(&ifp->if_snd);
375 ic->ic_opmode = IEEE80211_M_STA;
376 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
378 /* set device capabilities */
380 IEEE80211_C_STA /* station mode supported */
381 | IEEE80211_C_IBSS /* IBSS mode supported */
382 | IEEE80211_C_MONITOR /* monitor mode supported */
383 | IEEE80211_C_PMGT /* power save supported */
384 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
385 | IEEE80211_C_WPA /* 802.11i */
386 | IEEE80211_C_WME /* 802.11e */
388 | IEEE80211_C_BGSCAN /* capable of bg scanning */
392 /* read MAC address from EEPROM */
393 val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 0);
394 macaddr[0] = val & 0xff;
395 macaddr[1] = val >> 8;
396 val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 1);
397 macaddr[2] = val & 0xff;
398 macaddr[3] = val >> 8;
399 val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 2);
400 macaddr[4] = val & 0xff;
401 macaddr[5] = val >> 8;
404 setbit(&bands, IEEE80211_MODE_11B);
405 setbit(&bands, IEEE80211_MODE_11G);
406 if (pci_get_device(dev) >= 0x4223)
407 setbit(&bands, IEEE80211_MODE_11A);
408 ieee80211_init_channels(ic, NULL, &bands);
410 ieee80211_ifattach(ic, macaddr);
411 /* override default methods */
412 ic->ic_node_alloc = iwi_node_alloc;
413 sc->sc_node_free = ic->ic_node_free;
414 ic->ic_node_free = iwi_node_free;
415 ic->ic_raw_xmit = iwi_raw_xmit;
416 ic->ic_scan_start = iwi_scan_start;
417 ic->ic_scan_end = iwi_scan_end;
418 ic->ic_set_channel = iwi_set_channel;
419 ic->ic_scan_curchan = iwi_scan_curchan;
420 ic->ic_scan_mindwell = iwi_scan_mindwell;
421 ic->ic_wme.wme_update = iwi_wme_update;
423 ic->ic_vap_create = iwi_vap_create;
424 ic->ic_vap_delete = iwi_vap_delete;
426 ieee80211_radiotap_attach(ic,
427 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
428 IWI_TX_RADIOTAP_PRESENT,
429 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
430 IWI_RX_RADIOTAP_PRESENT);
432 iwi_sysctlattach(sc);
436 * Hook our interrupt after all initialization is complete.
438 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
439 NULL, iwi_intr, sc, &sc->sc_ih);
441 device_printf(dev, "could not set up interrupt\n");
446 ieee80211_announce(ic);
456 iwi_detach(device_t dev)
458 struct iwi_softc *sc = device_get_softc(dev);
459 struct ifnet *ifp = sc->sc_ifp;
460 struct ieee80211com *ic = ifp->if_l2com;
462 /* NB: do early to drain any pending tasks */
463 ieee80211_draintask(ic, &sc->sc_radiontask);
464 ieee80211_draintask(ic, &sc->sc_radiofftask);
465 ieee80211_draintask(ic, &sc->sc_restarttask);
466 ieee80211_draintask(ic, &sc->sc_disassoctask);
467 ieee80211_draintask(ic, &sc->sc_monitortask);
471 ieee80211_ifdetach(ic);
473 iwi_put_firmware(sc);
474 iwi_release_fw_dma(sc);
476 iwi_free_cmd_ring(sc, &sc->cmdq);
477 iwi_free_tx_ring(sc, &sc->txq[0]);
478 iwi_free_tx_ring(sc, &sc->txq[1]);
479 iwi_free_tx_ring(sc, &sc->txq[2]);
480 iwi_free_tx_ring(sc, &sc->txq[3]);
481 iwi_free_rx_ring(sc, &sc->rxq);
483 bus_teardown_intr(dev, sc->irq, sc->sc_ih);
484 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
486 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
488 delete_unrhdr(sc->sc_unr);
490 IWI_LOCK_DESTROY(sc);
497 static struct ieee80211vap *
498 iwi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
499 enum ieee80211_opmode opmode, int flags,
500 const uint8_t bssid[IEEE80211_ADDR_LEN],
501 const uint8_t mac[IEEE80211_ADDR_LEN])
503 struct ifnet *ifp = ic->ic_ifp;
504 struct iwi_softc *sc = ifp->if_softc;
506 struct ieee80211vap *vap;
509 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
512 * Get firmware image (and possibly dma memory) on mode change.
514 if (iwi_get_firmware(sc, opmode))
516 /* allocate DMA memory for mapping firmware image */
518 if (sc->fw_boot.size > i)
519 i = sc->fw_boot.size;
520 /* XXX do we dma the ucode as well ? */
521 if (sc->fw_uc.size > i)
523 if (iwi_init_fw_dma(sc, i))
526 ivp = (struct iwi_vap *) malloc(sizeof(struct iwi_vap),
527 M_80211_VAP, M_NOWAIT | M_ZERO);
531 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
532 /* override the default, the setting comes from the linux driver */
533 vap->iv_bmissthreshold = 24;
534 /* override with driver methods */
535 ivp->iwi_newstate = vap->iv_newstate;
536 vap->iv_newstate = iwi_newstate;
539 ieee80211_vap_attach(vap, ieee80211_media_change, iwi_media_status);
540 ic->ic_opmode = opmode;
545 iwi_vap_delete(struct ieee80211vap *vap)
547 struct iwi_vap *ivp = IWI_VAP(vap);
549 ieee80211_vap_detach(vap);
550 free(ivp, M_80211_VAP);
554 iwi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
559 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
561 *(bus_addr_t *)arg = segs[0].ds_addr;
565 iwi_alloc_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring, int count)
571 ring->cur = ring->next = 0;
573 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0,
574 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
575 count * IWI_CMD_DESC_SIZE, 1, count * IWI_CMD_DESC_SIZE, 0,
576 NULL, NULL, &ring->desc_dmat);
578 device_printf(sc->sc_dev, "could not create desc DMA tag\n");
582 error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc,
583 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map);
585 device_printf(sc->sc_dev, "could not allocate DMA memory\n");
589 error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc,
590 count * IWI_CMD_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0);
592 device_printf(sc->sc_dev, "could not load desc DMA map\n");
598 fail: iwi_free_cmd_ring(sc, ring);
603 iwi_reset_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring)
606 ring->cur = ring->next = 0;
610 iwi_free_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring)
612 if (ring->desc != NULL) {
613 bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
614 BUS_DMASYNC_POSTWRITE);
615 bus_dmamap_unload(ring->desc_dmat, ring->desc_map);
616 bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map);
619 if (ring->desc_dmat != NULL)
620 bus_dma_tag_destroy(ring->desc_dmat);
624 iwi_alloc_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring, int count,
625 bus_addr_t csr_ridx, bus_addr_t csr_widx)
631 ring->cur = ring->next = 0;
632 ring->csr_ridx = csr_ridx;
633 ring->csr_widx = csr_widx;
635 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0,
636 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
637 count * IWI_TX_DESC_SIZE, 1, count * IWI_TX_DESC_SIZE, 0, NULL,
638 NULL, &ring->desc_dmat);
640 device_printf(sc->sc_dev, "could not create desc DMA tag\n");
644 error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc,
645 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map);
647 device_printf(sc->sc_dev, "could not allocate DMA memory\n");
651 error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc,
652 count * IWI_TX_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0);
654 device_printf(sc->sc_dev, "could not load desc DMA map\n");
658 ring->data = malloc(count * sizeof (struct iwi_tx_data), M_DEVBUF,
660 if (ring->data == NULL) {
661 device_printf(sc->sc_dev, "could not allocate soft data\n");
666 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
667 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
668 IWI_MAX_NSEG, MCLBYTES, 0, NULL, NULL, &ring->data_dmat);
670 device_printf(sc->sc_dev, "could not create data DMA tag\n");
674 for (i = 0; i < count; i++) {
675 error = bus_dmamap_create(ring->data_dmat, 0,
678 device_printf(sc->sc_dev, "could not create DMA map\n");
685 fail: iwi_free_tx_ring(sc, ring);
690 iwi_reset_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring)
692 struct iwi_tx_data *data;
695 for (i = 0; i < ring->count; i++) {
696 data = &ring->data[i];
698 if (data->m != NULL) {
699 bus_dmamap_sync(ring->data_dmat, data->map,
700 BUS_DMASYNC_POSTWRITE);
701 bus_dmamap_unload(ring->data_dmat, data->map);
706 if (data->ni != NULL) {
707 ieee80211_free_node(data->ni);
713 ring->cur = ring->next = 0;
717 iwi_free_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring)
719 struct iwi_tx_data *data;
722 if (ring->desc != NULL) {
723 bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
724 BUS_DMASYNC_POSTWRITE);
725 bus_dmamap_unload(ring->desc_dmat, ring->desc_map);
726 bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map);
729 if (ring->desc_dmat != NULL)
730 bus_dma_tag_destroy(ring->desc_dmat);
732 if (ring->data != NULL) {
733 for (i = 0; i < ring->count; i++) {
734 data = &ring->data[i];
736 if (data->m != NULL) {
737 bus_dmamap_sync(ring->data_dmat, data->map,
738 BUS_DMASYNC_POSTWRITE);
739 bus_dmamap_unload(ring->data_dmat, data->map);
743 if (data->ni != NULL)
744 ieee80211_free_node(data->ni);
746 if (data->map != NULL)
747 bus_dmamap_destroy(ring->data_dmat, data->map);
750 free(ring->data, M_DEVBUF);
753 if (ring->data_dmat != NULL)
754 bus_dma_tag_destroy(ring->data_dmat);
758 iwi_alloc_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring, int count)
760 struct iwi_rx_data *data;
766 ring->data = malloc(count * sizeof (struct iwi_rx_data), M_DEVBUF,
768 if (ring->data == NULL) {
769 device_printf(sc->sc_dev, "could not allocate soft data\n");
774 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
775 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
776 1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat);
778 device_printf(sc->sc_dev, "could not create data DMA tag\n");
782 for (i = 0; i < count; i++) {
783 data = &ring->data[i];
785 error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
787 device_printf(sc->sc_dev, "could not create DMA map\n");
791 data->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
792 if (data->m == NULL) {
793 device_printf(sc->sc_dev,
794 "could not allocate rx mbuf\n");
799 error = bus_dmamap_load(ring->data_dmat, data->map,
800 mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr,
803 device_printf(sc->sc_dev,
804 "could not load rx buf DMA map");
808 data->reg = IWI_CSR_RX_BASE + i * 4;
813 fail: iwi_free_rx_ring(sc, ring);
818 iwi_reset_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring)
824 iwi_free_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring)
826 struct iwi_rx_data *data;
829 if (ring->data != NULL) {
830 for (i = 0; i < ring->count; i++) {
831 data = &ring->data[i];
833 if (data->m != NULL) {
834 bus_dmamap_sync(ring->data_dmat, data->map,
835 BUS_DMASYNC_POSTREAD);
836 bus_dmamap_unload(ring->data_dmat, data->map);
840 if (data->map != NULL)
841 bus_dmamap_destroy(ring->data_dmat, data->map);
844 free(ring->data, M_DEVBUF);
847 if (ring->data_dmat != NULL)
848 bus_dma_tag_destroy(ring->data_dmat);
852 iwi_shutdown(device_t dev)
854 struct iwi_softc *sc = device_get_softc(dev);
857 iwi_put_firmware(sc); /* ??? XXX */
863 iwi_suspend(device_t dev)
865 struct iwi_softc *sc = device_get_softc(dev);
866 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
868 ieee80211_suspend_all(ic);
873 iwi_resume(device_t dev)
875 struct iwi_softc *sc = device_get_softc(dev);
876 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
878 pci_write_config(dev, 0x41, 0, 1);
880 ieee80211_resume_all(ic);
884 static struct ieee80211_node *
885 iwi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
889 in = malloc(sizeof (struct iwi_node), M_80211_NODE, M_NOWAIT | M_ZERO);
892 /* XXX assign sta table entry for adhoc */
899 iwi_node_free(struct ieee80211_node *ni)
901 struct ieee80211com *ic = ni->ni_ic;
902 struct iwi_softc *sc = ic->ic_ifp->if_softc;
903 struct iwi_node *in = (struct iwi_node *)ni;
905 if (in->in_station != -1) {
906 DPRINTF(("%s mac %6D station %u\n", __func__,
907 ni->ni_macaddr, ":", in->in_station));
908 free_unr(sc->sc_unr, in->in_station);
911 sc->sc_node_free(ni);
915 * Convert h/w rate code to IEEE rate code.
918 iwi_cvtrate(int iwirate)
921 case IWI_RATE_DS1: return 2;
922 case IWI_RATE_DS2: return 4;
923 case IWI_RATE_DS5: return 11;
924 case IWI_RATE_DS11: return 22;
925 case IWI_RATE_OFDM6: return 12;
926 case IWI_RATE_OFDM9: return 18;
927 case IWI_RATE_OFDM12: return 24;
928 case IWI_RATE_OFDM18: return 36;
929 case IWI_RATE_OFDM24: return 48;
930 case IWI_RATE_OFDM36: return 72;
931 case IWI_RATE_OFDM48: return 96;
932 case IWI_RATE_OFDM54: return 108;
938 * The firmware automatically adapts the transmit speed. We report its current
942 iwi_media_status(struct ifnet *ifp, struct ifmediareq *imr)
944 struct ieee80211vap *vap = ifp->if_softc;
945 struct ieee80211com *ic = vap->iv_ic;
946 struct iwi_softc *sc = ic->ic_ifp->if_softc;
948 /* read current transmission rate from adapter */
949 vap->iv_bss->ni_txrate =
950 iwi_cvtrate(CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE));
951 ieee80211_media_status(ifp, imr);
955 iwi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
957 struct iwi_vap *ivp = IWI_VAP(vap);
958 struct ieee80211com *ic = vap->iv_ic;
959 struct ifnet *ifp = ic->ic_ifp;
960 struct iwi_softc *sc = ifp->if_softc;
963 DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__,
964 ieee80211_state_name[vap->iv_state],
965 ieee80211_state_name[nstate], sc->flags));
967 IEEE80211_UNLOCK(ic);
970 case IEEE80211_S_INIT:
972 * NB: don't try to do this if iwi_stop_master has
973 * shutdown the firmware and disabled interrupts.
975 if (vap->iv_state == IEEE80211_S_RUN &&
976 (sc->flags & IWI_FLAG_FW_INITED))
977 iwi_disassociate(sc, 0);
979 case IEEE80211_S_AUTH:
980 iwi_auth_and_assoc(sc, vap);
982 case IEEE80211_S_RUN:
983 if (vap->iv_opmode == IEEE80211_M_IBSS &&
984 vap->iv_state == IEEE80211_S_SCAN) {
986 * XXX when joining an ibss network we are called
987 * with a SCAN -> RUN transition on scan complete.
988 * Use that to call iwi_auth_and_assoc. On completing
989 * the join we are then called again with an
990 * AUTH -> RUN transition and we want to do nothing.
991 * This is all totally bogus and needs to be redone.
993 iwi_auth_and_assoc(sc, vap);
994 } else if (vap->iv_opmode == IEEE80211_M_MONITOR)
995 ieee80211_runtask(ic, &sc->sc_monitortask);
997 case IEEE80211_S_ASSOC:
999 * If we are transitioning from AUTH then just wait
1000 * for the ASSOC status to come back from the firmware.
1001 * Otherwise we need to issue the association request.
1003 if (vap->iv_state == IEEE80211_S_AUTH)
1005 iwi_auth_and_assoc(sc, vap);
1012 return ivp->iwi_newstate(vap, nstate, arg);
1016 * WME parameters coming from IEEE 802.11e specification. These values are
1017 * already declared in ieee80211_proto.c, but they are static so they can't
1020 static const struct wmeParams iwi_wme_cck_params[WME_NUM_AC] = {
1021 { 0, 3, 5, 7, 0 }, /* WME_AC_BE */
1022 { 0, 3, 5, 10, 0 }, /* WME_AC_BK */
1023 { 0, 2, 4, 5, 188 }, /* WME_AC_VI */
1024 { 0, 2, 3, 4, 102 } /* WME_AC_VO */
1027 static const struct wmeParams iwi_wme_ofdm_params[WME_NUM_AC] = {
1028 { 0, 3, 4, 6, 0 }, /* WME_AC_BE */
1029 { 0, 3, 4, 10, 0 }, /* WME_AC_BK */
1030 { 0, 2, 3, 4, 94 }, /* WME_AC_VI */
1031 { 0, 2, 2, 3, 47 } /* WME_AC_VO */
1033 #define IWI_EXP2(v) htole16((1 << (v)) - 1)
1034 #define IWI_USEC(v) htole16(IEEE80211_TXOP_TO_US(v))
1037 iwi_wme_init(struct iwi_softc *sc)
1039 const struct wmeParams *wmep;
1042 memset(sc->wme, 0, sizeof sc->wme);
1043 for (ac = 0; ac < WME_NUM_AC; ac++) {
1044 /* set WME values for CCK modulation */
1045 wmep = &iwi_wme_cck_params[ac];
1046 sc->wme[1].aifsn[ac] = wmep->wmep_aifsn;
1047 sc->wme[1].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin);
1048 sc->wme[1].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax);
1049 sc->wme[1].burst[ac] = IWI_USEC(wmep->wmep_txopLimit);
1050 sc->wme[1].acm[ac] = wmep->wmep_acm;
1052 /* set WME values for OFDM modulation */
1053 wmep = &iwi_wme_ofdm_params[ac];
1054 sc->wme[2].aifsn[ac] = wmep->wmep_aifsn;
1055 sc->wme[2].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin);
1056 sc->wme[2].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax);
1057 sc->wme[2].burst[ac] = IWI_USEC(wmep->wmep_txopLimit);
1058 sc->wme[2].acm[ac] = wmep->wmep_acm;
1063 iwi_wme_setparams(struct iwi_softc *sc, struct ieee80211com *ic)
1065 const struct wmeParams *wmep;
1068 for (ac = 0; ac < WME_NUM_AC; ac++) {
1069 /* set WME values for current operating mode */
1070 wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac];
1071 sc->wme[0].aifsn[ac] = wmep->wmep_aifsn;
1072 sc->wme[0].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin);
1073 sc->wme[0].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax);
1074 sc->wme[0].burst[ac] = IWI_USEC(wmep->wmep_txopLimit);
1075 sc->wme[0].acm[ac] = wmep->wmep_acm;
1078 DPRINTF(("Setting WME parameters\n"));
1079 return iwi_cmd(sc, IWI_CMD_SET_WME_PARAMS, sc->wme, sizeof sc->wme);
1085 iwi_update_wme(void *arg, int npending)
1087 struct ieee80211com *ic = arg;
1088 struct iwi_softc *sc = ic->ic_ifp->if_softc;
1092 (void) iwi_wme_setparams(sc, ic);
1097 iwi_wme_update(struct ieee80211com *ic)
1099 struct iwi_softc *sc = ic->ic_ifp->if_softc;
1100 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1103 * We may be called to update the WME parameters in
1104 * the adapter at various places. If we're already
1105 * associated then initiate the request immediately;
1106 * otherwise we assume the params will get sent down
1107 * to the adapter as part of the work iwi_auth_and_assoc
1110 if (vap->iv_state == IEEE80211_S_RUN)
1111 ieee80211_runtask(ic, &sc->sc_wmetask);
1116 iwi_wme_setie(struct iwi_softc *sc)
1118 struct ieee80211_wme_info wme;
1120 memset(&wme, 0, sizeof wme);
1121 wme.wme_id = IEEE80211_ELEMID_VENDOR;
1122 wme.wme_len = sizeof (struct ieee80211_wme_info) - 2;
1123 wme.wme_oui[0] = 0x00;
1124 wme.wme_oui[1] = 0x50;
1125 wme.wme_oui[2] = 0xf2;
1126 wme.wme_type = WME_OUI_TYPE;
1127 wme.wme_subtype = WME_INFO_OUI_SUBTYPE;
1128 wme.wme_version = WME_VERSION;
1131 DPRINTF(("Setting WME IE (len=%u)\n", wme.wme_len));
1132 return iwi_cmd(sc, IWI_CMD_SET_WMEIE, &wme, sizeof wme);
1136 * Read 16 bits at address 'addr' from the serial EEPROM.
1139 iwi_read_prom_word(struct iwi_softc *sc, uint8_t addr)
1145 /* clock C once before the first command */
1146 IWI_EEPROM_CTL(sc, 0);
1147 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1148 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1149 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1151 /* write start bit (1) */
1152 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
1153 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
1155 /* write READ opcode (10) */
1156 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
1157 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
1158 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1159 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1161 /* write address A7-A0 */
1162 for (n = 7; n >= 0; n--) {
1163 IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
1164 (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D));
1165 IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
1166 (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D) | IWI_EEPROM_C);
1169 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1171 /* read data Q15-Q0 */
1173 for (n = 15; n >= 0; n--) {
1174 IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1175 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1176 tmp = MEM_READ_4(sc, IWI_MEM_EEPROM_CTL);
1177 val |= ((tmp & IWI_EEPROM_Q) >> IWI_EEPROM_SHIFT_Q) << n;
1180 IWI_EEPROM_CTL(sc, 0);
1182 /* clear Chip Select and clock C */
1183 IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1184 IWI_EEPROM_CTL(sc, 0);
1185 IWI_EEPROM_CTL(sc, IWI_EEPROM_C);
1191 iwi_setcurchan(struct iwi_softc *sc, int chan)
1193 struct ifnet *ifp = sc->sc_ifp;
1194 struct ieee80211com *ic = ifp->if_l2com;
1197 ieee80211_radiotap_chan_change(ic);
1201 iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i,
1202 struct iwi_frame *frame)
1204 struct ifnet *ifp = sc->sc_ifp;
1205 struct ieee80211com *ic = ifp->if_l2com;
1206 struct mbuf *mnew, *m;
1207 struct ieee80211_node *ni;
1208 int type, error, framelen;
1212 framelen = le16toh(frame->len);
1213 if (framelen < IEEE80211_MIN_LEN || framelen > MCLBYTES) {
1215 * XXX >MCLBYTES is bogus as it means the h/w dma'd
1216 * out of bounds; need to figure out how to limit
1217 * frame size in the firmware
1221 ("drop rx frame len=%u chan=%u rssi=%u rssi_dbm=%u\n",
1222 le16toh(frame->len), frame->chan, frame->rssi,
1227 DPRINTFN(5, ("received frame len=%u chan=%u rssi=%u rssi_dbm=%u\n",
1228 le16toh(frame->len), frame->chan, frame->rssi, frame->rssi_dbm));
1230 if (frame->chan != sc->curchan)
1231 iwi_setcurchan(sc, frame->chan);
1234 * Try to allocate a new mbuf for this ring element and load it before
1235 * processing the current mbuf. If the ring element cannot be loaded,
1236 * drop the received packet and reuse the old mbuf. In the unlikely
1237 * case that the old mbuf can't be reloaded either, explicitly panic.
1239 mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1245 bus_dmamap_unload(sc->rxq.data_dmat, data->map);
1247 error = bus_dmamap_load(sc->rxq.data_dmat, data->map,
1248 mtod(mnew, void *), MCLBYTES, iwi_dma_map_addr, &data->physaddr,
1253 /* try to reload the old mbuf */
1254 error = bus_dmamap_load(sc->rxq.data_dmat, data->map,
1255 mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr,
1256 &data->physaddr, 0);
1258 /* very unlikely that it will fail... */
1259 panic("%s: could not load old rx mbuf",
1260 device_get_name(sc->sc_dev));
1267 * New mbuf successfully loaded, update Rx ring and continue
1272 CSR_WRITE_4(sc, data->reg, data->physaddr);
1275 m->m_pkthdr.rcvif = ifp;
1276 m->m_pkthdr.len = m->m_len = sizeof (struct iwi_hdr) +
1277 sizeof (struct iwi_frame) + framelen;
1279 m_adj(m, sizeof (struct iwi_hdr) + sizeof (struct iwi_frame));
1281 rssi = frame->rssi_dbm;
1283 if (ieee80211_radiotap_active(ic)) {
1284 struct iwi_rx_radiotap_header *tap = &sc->sc_rxtap;
1287 tap->wr_antsignal = rssi;
1288 tap->wr_antnoise = nf;
1289 tap->wr_rate = iwi_cvtrate(frame->rate);
1290 tap->wr_antenna = frame->antenna;
1294 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *));
1296 type = ieee80211_input(ni, m, rssi, nf);
1297 ieee80211_free_node(ni);
1299 type = ieee80211_input_all(ic, m, rssi, nf);
1302 if (sc->sc_softled) {
1304 * Blink for any data frame. Otherwise do a
1305 * heartbeat-style blink when idle. The latter
1306 * is mainly for station mode where we depend on
1307 * periodic beacon frames to trigger the poll event.
1309 if (type == IEEE80211_FC0_TYPE_DATA) {
1310 sc->sc_rxrate = frame->rate;
1311 iwi_led_event(sc, IWI_LED_RX);
1312 } else if (ticks - sc->sc_ledevent >= sc->sc_ledidle)
1313 iwi_led_event(sc, IWI_LED_POLL);
1318 * Check for an association response frame to see if QoS
1319 * has been negotiated. We parse just enough to figure
1320 * out if we're supposed to use QoS. The proper solution
1321 * is to pass the frame up so ieee80211_input can do the
1322 * work but that's made hard by how things currently are
1323 * done in the driver.
1326 iwi_checkforqos(struct ieee80211vap *vap,
1327 const struct ieee80211_frame *wh, int len)
1329 #define SUBTYPE(wh) ((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK)
1330 const uint8_t *frm, *efrm, *wme;
1331 struct ieee80211_node *ni;
1332 uint16_t capinfo, status, associd;
1334 /* NB: +8 for capinfo, status, associd, and first ie */
1335 if (!(sizeof(*wh)+8 < len && len < IEEE80211_MAX_LEN) ||
1336 SUBTYPE(wh) != IEEE80211_FC0_SUBTYPE_ASSOC_RESP)
1339 * asresp frame format
1340 * [2] capability information
1342 * [2] association ID
1343 * [tlv] supported rates
1344 * [tlv] extended supported rates
1347 frm = (const uint8_t *)&wh[1];
1348 efrm = ((const uint8_t *) wh) + len;
1350 capinfo = le16toh(*(const uint16_t *)frm);
1352 status = le16toh(*(const uint16_t *)frm);
1354 associd = le16toh(*(const uint16_t *)frm);
1358 while (efrm - frm > 1) {
1359 IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return);
1361 case IEEE80211_ELEMID_VENDOR:
1370 ni->ni_capinfo = capinfo;
1371 ni->ni_associd = associd & 0x3fff;
1373 ni->ni_flags |= IEEE80211_NODE_QOS;
1375 ni->ni_flags &= ~IEEE80211_NODE_QOS;
1380 * Task queue callbacks for iwi_notification_intr used to avoid LOR's.
1384 iwi_notification_intr(struct iwi_softc *sc, struct iwi_notif *notif)
1386 struct ifnet *ifp = sc->sc_ifp;
1387 struct ieee80211com *ic = ifp->if_l2com;
1388 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1389 struct iwi_notif_scan_channel *chan;
1390 struct iwi_notif_scan_complete *scan;
1391 struct iwi_notif_authentication *auth;
1392 struct iwi_notif_association *assoc;
1393 struct iwi_notif_beacon_state *beacon;
1395 switch (notif->type) {
1396 case IWI_NOTIF_TYPE_SCAN_CHANNEL:
1397 chan = (struct iwi_notif_scan_channel *)(notif + 1);
1399 DPRINTFN(3, ("Scan of channel %u complete (%u)\n",
1400 ieee80211_ieee2mhz(chan->nchan, 0), chan->nchan));
1402 /* Reset the timer, the scan is still going */
1403 sc->sc_state_timer = 3;
1406 case IWI_NOTIF_TYPE_SCAN_COMPLETE:
1407 scan = (struct iwi_notif_scan_complete *)(notif + 1);
1409 DPRINTFN(2, ("Scan completed (%u, %u)\n", scan->nchan,
1412 IWI_STATE_END(sc, IWI_FW_SCANNING);
1415 * Monitor mode works by doing a passive scan to set
1416 * the channel and enable rx. Because we don't want
1417 * to abort a scan lest the firmware crash we scan
1418 * for a short period of time and automatically restart
1419 * the scan when notified the sweep has completed.
1421 if (vap->iv_opmode == IEEE80211_M_MONITOR) {
1422 ieee80211_runtask(ic, &sc->sc_monitortask);
1426 if (scan->status == IWI_SCAN_COMPLETED) {
1427 /* NB: don't need to defer, net80211 does it for us */
1428 ieee80211_scan_next(vap);
1432 case IWI_NOTIF_TYPE_AUTHENTICATION:
1433 auth = (struct iwi_notif_authentication *)(notif + 1);
1434 switch (auth->state) {
1435 case IWI_AUTH_SUCCESS:
1436 DPRINTFN(2, ("Authentication succeeeded\n"));
1437 ieee80211_new_state(vap, IEEE80211_S_ASSOC, -1);
1441 * These are delivered as an unsolicited deauth
1442 * (e.g. due to inactivity) or in response to an
1443 * associate request.
1445 sc->flags &= ~IWI_FLAG_ASSOCIATED;
1446 if (vap->iv_state != IEEE80211_S_RUN) {
1447 DPRINTFN(2, ("Authentication failed\n"));
1448 vap->iv_stats.is_rx_auth_fail++;
1449 IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1451 DPRINTFN(2, ("Deauthenticated\n"));
1452 vap->iv_stats.is_rx_deauth++;
1454 ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
1456 case IWI_AUTH_SENT_1:
1457 case IWI_AUTH_RECV_2:
1458 case IWI_AUTH_SEQ1_PASS:
1460 case IWI_AUTH_SEQ1_FAIL:
1461 DPRINTFN(2, ("Initial authentication handshake failed; "
1462 "you probably need shared key\n"));
1463 vap->iv_stats.is_rx_auth_fail++;
1464 IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1465 /* XXX retry shared key when in auto */
1468 device_printf(sc->sc_dev,
1469 "unknown authentication state %u\n", auth->state);
1474 case IWI_NOTIF_TYPE_ASSOCIATION:
1475 assoc = (struct iwi_notif_association *)(notif + 1);
1476 switch (assoc->state) {
1477 case IWI_AUTH_SUCCESS:
1478 /* re-association, do nothing */
1480 case IWI_ASSOC_SUCCESS:
1481 DPRINTFN(2, ("Association succeeded\n"));
1482 sc->flags |= IWI_FLAG_ASSOCIATED;
1483 IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1484 iwi_checkforqos(vap,
1485 (const struct ieee80211_frame *)(assoc+1),
1486 le16toh(notif->len) - sizeof(*assoc) - 1);
1487 ieee80211_new_state(vap, IEEE80211_S_RUN, -1);
1489 case IWI_ASSOC_INIT:
1490 sc->flags &= ~IWI_FLAG_ASSOCIATED;
1491 switch (sc->fw_state) {
1492 case IWI_FW_ASSOCIATING:
1493 DPRINTFN(2, ("Association failed\n"));
1494 IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1495 ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
1498 case IWI_FW_DISASSOCIATING:
1499 DPRINTFN(2, ("Dissassociated\n"));
1500 IWI_STATE_END(sc, IWI_FW_DISASSOCIATING);
1501 vap->iv_stats.is_rx_disassoc++;
1502 ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
1507 device_printf(sc->sc_dev,
1508 "unknown association state %u\n", assoc->state);
1513 case IWI_NOTIF_TYPE_BEACON:
1514 /* XXX check struct length */
1515 beacon = (struct iwi_notif_beacon_state *)(notif + 1);
1517 DPRINTFN(5, ("Beacon state (%u, %u)\n",
1518 beacon->state, le32toh(beacon->number)));
1520 if (beacon->state == IWI_BEACON_MISS) {
1522 * The firmware notifies us of every beacon miss
1523 * so we need to track the count against the
1524 * configured threshold before notifying the
1526 * XXX try to roam, drop assoc only on much higher count
1528 if (le32toh(beacon->number) >= vap->iv_bmissthreshold) {
1529 DPRINTF(("Beacon miss: %u >= %u\n",
1530 le32toh(beacon->number),
1531 vap->iv_bmissthreshold));
1532 vap->iv_stats.is_beacon_miss++;
1534 * It's pointless to notify the 802.11 layer
1535 * as it'll try to send a probe request (which
1536 * we'll discard) and then timeout and drop us
1537 * into scan state. Instead tell the firmware
1538 * to disassociate and then on completion we'll
1539 * kick the state machine to scan.
1541 ieee80211_runtask(ic, &sc->sc_disassoctask);
1546 case IWI_NOTIF_TYPE_CALIBRATION:
1547 case IWI_NOTIF_TYPE_NOISE:
1548 case IWI_NOTIF_TYPE_LINK_QUALITY:
1549 DPRINTFN(5, ("Notification (%u)\n", notif->type));
1553 DPRINTF(("unknown notification type %u flags 0x%x len %u\n",
1554 notif->type, notif->flags, le16toh(notif->len)));
1560 iwi_rx_intr(struct iwi_softc *sc)
1562 struct iwi_rx_data *data;
1563 struct iwi_hdr *hdr;
1566 hw = CSR_READ_4(sc, IWI_CSR_RX_RIDX);
1568 for (; sc->rxq.cur != hw;) {
1569 data = &sc->rxq.data[sc->rxq.cur];
1571 bus_dmamap_sync(sc->rxq.data_dmat, data->map,
1572 BUS_DMASYNC_POSTREAD);
1574 hdr = mtod(data->m, struct iwi_hdr *);
1576 switch (hdr->type) {
1577 case IWI_HDR_TYPE_FRAME:
1578 iwi_frame_intr(sc, data, sc->rxq.cur,
1579 (struct iwi_frame *)(hdr + 1));
1582 case IWI_HDR_TYPE_NOTIF:
1583 iwi_notification_intr(sc,
1584 (struct iwi_notif *)(hdr + 1));
1588 device_printf(sc->sc_dev, "unknown hdr type %u\n",
1592 DPRINTFN(15, ("rx done idx=%u\n", sc->rxq.cur));
1594 sc->rxq.cur = (sc->rxq.cur + 1) % IWI_RX_RING_COUNT;
1597 /* tell the firmware what we have processed */
1598 hw = (hw == 0) ? IWI_RX_RING_COUNT - 1 : hw - 1;
1599 CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, hw);
1603 iwi_tx_intr(struct iwi_softc *sc, struct iwi_tx_ring *txq)
1605 struct ifnet *ifp = sc->sc_ifp;
1606 struct iwi_tx_data *data;
1609 hw = CSR_READ_4(sc, txq->csr_ridx);
1611 for (; txq->next != hw;) {
1612 data = &txq->data[txq->next];
1614 bus_dmamap_sync(txq->data_dmat, data->map,
1615 BUS_DMASYNC_POSTWRITE);
1616 bus_dmamap_unload(txq->data_dmat, data->map);
1617 if (data->m->m_flags & M_TXCB)
1618 ieee80211_process_callback(data->ni, data->m, 0/*XXX*/);
1621 ieee80211_free_node(data->ni);
1624 DPRINTFN(15, ("tx done idx=%u\n", txq->next));
1629 txq->next = (txq->next + 1) % IWI_TX_RING_COUNT;
1632 sc->sc_tx_timer = 0;
1633 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1636 iwi_led_event(sc, IWI_LED_TX);
1638 iwi_start_locked(ifp);
1642 iwi_fatal_error_intr(struct iwi_softc *sc)
1644 struct ifnet *ifp = sc->sc_ifp;
1645 struct ieee80211com *ic = ifp->if_l2com;
1646 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1648 device_printf(sc->sc_dev, "firmware error\n");
1650 ieee80211_cancel_scan(vap);
1651 ieee80211_runtask(ic, &sc->sc_restarttask);
1653 sc->flags &= ~IWI_FLAG_BUSY;
1654 sc->sc_busy_timer = 0;
1659 iwi_radio_off_intr(struct iwi_softc *sc)
1661 struct ifnet *ifp = sc->sc_ifp;
1662 struct ieee80211com *ic = ifp->if_l2com;
1664 ieee80211_runtask(ic, &sc->sc_radiofftask);
1670 struct iwi_softc *sc = arg;
1676 if ((r = CSR_READ_4(sc, IWI_CSR_INTR)) == 0 || r == 0xffffffff) {
1681 /* acknowledge interrupts */
1682 CSR_WRITE_4(sc, IWI_CSR_INTR, r);
1684 if (r & IWI_INTR_FATAL_ERROR) {
1685 iwi_fatal_error_intr(sc);
1689 if (r & IWI_INTR_FW_INITED) {
1690 if (!(r & (IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)))
1694 if (r & IWI_INTR_RADIO_OFF)
1695 iwi_radio_off_intr(sc);
1697 if (r & IWI_INTR_CMD_DONE) {
1698 sc->flags &= ~IWI_FLAG_BUSY;
1699 sc->sc_busy_timer = 0;
1703 if (r & IWI_INTR_TX1_DONE)
1704 iwi_tx_intr(sc, &sc->txq[0]);
1706 if (r & IWI_INTR_TX2_DONE)
1707 iwi_tx_intr(sc, &sc->txq[1]);
1709 if (r & IWI_INTR_TX3_DONE)
1710 iwi_tx_intr(sc, &sc->txq[2]);
1712 if (r & IWI_INTR_TX4_DONE)
1713 iwi_tx_intr(sc, &sc->txq[3]);
1715 if (r & IWI_INTR_RX_DONE)
1718 if (r & IWI_INTR_PARITY_ERROR) {
1719 /* XXX rate-limit */
1720 device_printf(sc->sc_dev, "parity error\n");
1727 iwi_cmd(struct iwi_softc *sc, uint8_t type, void *data, uint8_t len)
1729 struct iwi_cmd_desc *desc;
1731 IWI_LOCK_ASSERT(sc);
1733 if (sc->flags & IWI_FLAG_BUSY) {
1734 device_printf(sc->sc_dev, "%s: cmd %d not sent, busy\n",
1738 sc->flags |= IWI_FLAG_BUSY;
1739 sc->sc_busy_timer = 2;
1741 desc = &sc->cmdq.desc[sc->cmdq.cur];
1743 desc->hdr.type = IWI_HDR_TYPE_COMMAND;
1744 desc->hdr.flags = IWI_HDR_FLAG_IRQ;
1747 memcpy(desc->data, data, len);
1749 bus_dmamap_sync(sc->cmdq.desc_dmat, sc->cmdq.desc_map,
1750 BUS_DMASYNC_PREWRITE);
1752 DPRINTFN(2, ("sending command idx=%u type=%u len=%u\n", sc->cmdq.cur,
1755 sc->cmdq.cur = (sc->cmdq.cur + 1) % IWI_CMD_RING_COUNT;
1756 CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur);
1758 return msleep(sc, &sc->sc_mtx, 0, "iwicmd", hz);
1762 iwi_write_ibssnode(struct iwi_softc *sc,
1763 const u_int8_t addr[IEEE80211_ADDR_LEN], int entry)
1765 struct iwi_ibssnode node;
1767 /* write node information into NIC memory */
1768 memset(&node, 0, sizeof node);
1769 IEEE80211_ADDR_COPY(node.bssid, addr);
1771 DPRINTF(("%s mac %6D station %u\n", __func__, node.bssid, ":", entry));
1773 CSR_WRITE_REGION_1(sc,
1774 IWI_CSR_NODE_BASE + entry * sizeof node,
1775 (uint8_t *)&node, sizeof node);
1779 iwi_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni,
1782 struct iwi_softc *sc = ifp->if_softc;
1783 struct ieee80211vap *vap = ni->ni_vap;
1784 struct ieee80211com *ic = ni->ni_ic;
1785 struct iwi_node *in = (struct iwi_node *)ni;
1786 const struct ieee80211_frame *wh;
1787 struct ieee80211_key *k;
1788 const struct chanAccParams *cap;
1789 struct iwi_tx_ring *txq = &sc->txq[ac];
1790 struct iwi_tx_data *data;
1791 struct iwi_tx_desc *desc;
1793 bus_dma_segment_t segs[IWI_MAX_NSEG];
1794 int error, nsegs, hdrlen, i;
1795 int ismcast, flags, xflags, staid;
1797 IWI_LOCK_ASSERT(sc);
1798 wh = mtod(m0, const struct ieee80211_frame *);
1799 /* NB: only data frames use this path */
1800 hdrlen = ieee80211_hdrsize(wh);
1801 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
1805 flags |= IWI_DATA_FLAG_NEED_ACK;
1806 if (vap->iv_flags & IEEE80211_F_SHPREAMBLE)
1807 flags |= IWI_DATA_FLAG_SHPREAMBLE;
1808 if (IEEE80211_QOS_HAS_SEQ(wh)) {
1809 xflags |= IWI_DATA_XFLAG_QOS;
1810 cap = &ic->ic_wme.wme_chanParams;
1811 if (!cap->cap_wmeParams[ac].wmep_noackPolicy)
1812 flags &= ~IWI_DATA_FLAG_NEED_ACK;
1816 * This is only used in IBSS mode where the firmware expect an index
1817 * in a h/w table instead of a destination address.
1819 if (vap->iv_opmode == IEEE80211_M_IBSS) {
1821 if (in->in_station == -1) {
1822 in->in_station = alloc_unr(sc->sc_unr);
1823 if (in->in_station == -1) {
1824 /* h/w table is full */
1826 ieee80211_free_node(ni);
1830 iwi_write_ibssnode(sc,
1831 ni->ni_macaddr, in->in_station);
1833 staid = in->in_station;
1836 * Multicast addresses have no associated node
1837 * so there will be no station entry. We reserve
1838 * entry 0 for one mcast address and use that.
1839 * If there are many being used this will be
1840 * expensive and we'll need to do a better job
1841 * but for now this handles the broadcast case.
1843 if (!IEEE80211_ADDR_EQ(wh->i_addr1, sc->sc_mcast)) {
1844 IEEE80211_ADDR_COPY(sc->sc_mcast, wh->i_addr1);
1845 iwi_write_ibssnode(sc, sc->sc_mcast, 0);
1852 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1853 k = ieee80211_crypto_encap(ni, m0);
1859 /* packet header may have moved, reset our local pointer */
1860 wh = mtod(m0, struct ieee80211_frame *);
1863 if (ieee80211_radiotap_active_vap(vap)) {
1864 struct iwi_tx_radiotap_header *tap = &sc->sc_txtap;
1868 ieee80211_radiotap_tx(vap, m0);
1871 data = &txq->data[txq->cur];
1872 desc = &txq->desc[txq->cur];
1874 /* save and trim IEEE802.11 header */
1875 m_copydata(m0, 0, hdrlen, (caddr_t)&desc->wh);
1878 error = bus_dmamap_load_mbuf_sg(txq->data_dmat, data->map, m0, segs,
1880 if (error != 0 && error != EFBIG) {
1881 device_printf(sc->sc_dev, "could not map mbuf (error %d)\n",
1887 mnew = m_defrag(m0, M_NOWAIT);
1889 device_printf(sc->sc_dev,
1890 "could not defragment mbuf\n");
1896 error = bus_dmamap_load_mbuf_sg(txq->data_dmat, data->map,
1897 m0, segs, &nsegs, 0);
1899 device_printf(sc->sc_dev,
1900 "could not map mbuf (error %d)\n", error);
1909 desc->hdr.type = IWI_HDR_TYPE_DATA;
1910 desc->hdr.flags = IWI_HDR_FLAG_IRQ;
1911 desc->station = staid;
1912 desc->cmd = IWI_DATA_CMD_TX;
1913 desc->len = htole16(m0->m_pkthdr.len);
1914 desc->flags = flags;
1915 desc->xflags = xflags;
1918 if (vap->iv_flags & IEEE80211_F_PRIVACY)
1919 desc->wep_txkey = vap->iv_def_txkey;
1922 desc->flags |= IWI_DATA_FLAG_NO_WEP;
1924 desc->nseg = htole32(nsegs);
1925 for (i = 0; i < nsegs; i++) {
1926 desc->seg_addr[i] = htole32(segs[i].ds_addr);
1927 desc->seg_len[i] = htole16(segs[i].ds_len);
1930 bus_dmamap_sync(txq->data_dmat, data->map, BUS_DMASYNC_PREWRITE);
1931 bus_dmamap_sync(txq->desc_dmat, txq->desc_map, BUS_DMASYNC_PREWRITE);
1933 DPRINTFN(5, ("sending data frame txq=%u idx=%u len=%u nseg=%u\n",
1934 ac, txq->cur, le16toh(desc->len), nsegs));
1937 txq->cur = (txq->cur + 1) % IWI_TX_RING_COUNT;
1938 CSR_WRITE_4(sc, txq->csr_widx, txq->cur);
1944 iwi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
1945 const struct ieee80211_bpf_params *params)
1947 /* no support; just discard */
1949 ieee80211_free_node(ni);
1954 iwi_start_locked(struct ifnet *ifp)
1956 struct iwi_softc *sc = ifp->if_softc;
1958 struct ieee80211_node *ni;
1961 IWI_LOCK_ASSERT(sc);
1963 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1967 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1970 ac = M_WME_GETAC(m);
1971 if (sc->txq[ac].queued > IWI_TX_RING_COUNT - 8) {
1972 /* there is no place left in this ring; tail drop */
1974 IFQ_DRV_PREPEND(&ifp->if_snd, m);
1975 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1979 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1980 if (iwi_tx_start(ifp, m, ni, ac) != 0) {
1981 ieee80211_free_node(ni);
1986 sc->sc_tx_timer = 5;
1991 iwi_start(struct ifnet *ifp)
1993 struct iwi_softc *sc = ifp->if_softc;
1997 iwi_start_locked(ifp);
2002 iwi_watchdog(void *arg)
2004 struct iwi_softc *sc = arg;
2005 struct ifnet *ifp = sc->sc_ifp;
2006 struct ieee80211com *ic = ifp->if_l2com;
2008 IWI_LOCK_ASSERT(sc);
2010 if (sc->sc_tx_timer > 0) {
2011 if (--sc->sc_tx_timer == 0) {
2012 if_printf(ifp, "device timeout\n");
2014 ieee80211_runtask(ic, &sc->sc_restarttask);
2017 if (sc->sc_state_timer > 0) {
2018 if (--sc->sc_state_timer == 0) {
2019 if_printf(ifp, "firmware stuck in state %d, resetting\n",
2021 if (sc->fw_state == IWI_FW_SCANNING) {
2022 struct ieee80211com *ic = ifp->if_l2com;
2023 ieee80211_cancel_scan(TAILQ_FIRST(&ic->ic_vaps));
2025 ieee80211_runtask(ic, &sc->sc_restarttask);
2026 sc->sc_state_timer = 3;
2029 if (sc->sc_busy_timer > 0) {
2030 if (--sc->sc_busy_timer == 0) {
2031 if_printf(ifp, "firmware command timeout, resetting\n");
2032 ieee80211_runtask(ic, &sc->sc_restarttask);
2035 callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc);
2039 iwi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
2041 struct iwi_softc *sc = ifp->if_softc;
2042 struct ieee80211com *ic = ifp->if_l2com;
2043 struct ifreq *ifr = (struct ifreq *) data;
2044 int error = 0, startall = 0;
2050 if (ifp->if_flags & IFF_UP) {
2051 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
2052 iwi_init_locked(sc);
2056 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2057 iwi_stop_locked(sc);
2061 ieee80211_start_all(ic);
2064 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
2067 error = ether_ioctl(ifp, cmd, data);
2077 iwi_stop_master(struct iwi_softc *sc)
2082 /* disable interrupts */
2083 CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0);
2085 CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_STOP_MASTER);
2086 for (ntries = 0; ntries < 5; ntries++) {
2087 if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
2092 device_printf(sc->sc_dev, "timeout waiting for master\n");
2094 tmp = CSR_READ_4(sc, IWI_CSR_RST);
2095 CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_PRINCETON_RESET);
2097 sc->flags &= ~IWI_FLAG_FW_INITED;
2101 iwi_reset(struct iwi_softc *sc)
2106 iwi_stop_master(sc);
2108 tmp = CSR_READ_4(sc, IWI_CSR_CTL);
2109 CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
2111 CSR_WRITE_4(sc, IWI_CSR_READ_INT, IWI_READ_INT_INIT_HOST);
2113 /* wait for clock stabilization */
2114 for (ntries = 0; ntries < 1000; ntries++) {
2115 if (CSR_READ_4(sc, IWI_CSR_CTL) & IWI_CTL_CLOCK_READY)
2119 if (ntries == 1000) {
2120 device_printf(sc->sc_dev,
2121 "timeout waiting for clock stabilization\n");
2125 tmp = CSR_READ_4(sc, IWI_CSR_RST);
2126 CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_SOFT_RESET);
2130 tmp = CSR_READ_4(sc, IWI_CSR_CTL);
2131 CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
2133 /* clear NIC memory */
2134 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0);
2135 for (i = 0; i < 0xc000; i++)
2136 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
2141 static const struct iwi_firmware_ohdr *
2142 iwi_setup_ofw(struct iwi_softc *sc, struct iwi_fw *fw)
2144 const struct firmware *fp = fw->fp;
2145 const struct iwi_firmware_ohdr *hdr;
2147 if (fp->datasize < sizeof (struct iwi_firmware_ohdr)) {
2148 device_printf(sc->sc_dev, "image '%s' too small\n", fp->name);
2151 hdr = (const struct iwi_firmware_ohdr *)fp->data;
2152 if ((IWI_FW_GET_MAJOR(le32toh(hdr->version)) != IWI_FW_REQ_MAJOR) ||
2153 (IWI_FW_GET_MINOR(le32toh(hdr->version)) != IWI_FW_REQ_MINOR)) {
2154 device_printf(sc->sc_dev, "version for '%s' %d.%d != %d.%d\n",
2155 fp->name, IWI_FW_GET_MAJOR(le32toh(hdr->version)),
2156 IWI_FW_GET_MINOR(le32toh(hdr->version)), IWI_FW_REQ_MAJOR,
2160 fw->data = ((const char *) fp->data) + sizeof(struct iwi_firmware_ohdr);
2161 fw->size = fp->datasize - sizeof(struct iwi_firmware_ohdr);
2162 fw->name = fp->name;
2166 static const struct iwi_firmware_ohdr *
2167 iwi_setup_oucode(struct iwi_softc *sc, struct iwi_fw *fw)
2169 const struct iwi_firmware_ohdr *hdr;
2171 hdr = iwi_setup_ofw(sc, fw);
2172 if (hdr != NULL && le32toh(hdr->mode) != IWI_FW_MODE_UCODE) {
2173 device_printf(sc->sc_dev, "%s is not a ucode image\n",
2181 iwi_getfw(struct iwi_fw *fw, const char *fwname,
2182 struct iwi_fw *uc, const char *ucname)
2185 fw->fp = firmware_get(fwname);
2186 /* NB: pre-3.0 ucode is packaged separately */
2187 if (uc->fp == NULL && fw->fp != NULL && fw->fp->version < 300)
2188 uc->fp = firmware_get(ucname);
2192 * Get the required firmware images if not already loaded.
2193 * Note that we hold firmware images so long as the device
2194 * is marked up in case we need to reload them on device init.
2195 * This is necessary because we re-init the device sometimes
2196 * from a context where we cannot read from the filesystem
2197 * (e.g. from the taskqueue thread when rfkill is re-enabled).
2198 * XXX return 0 on success, 1 on error.
2200 * NB: the order of get'ing and put'ing images here is
2201 * intentional to support handling firmware images bundled
2202 * by operating mode and/or all together in one file with
2203 * the boot firmware as "master".
2206 iwi_get_firmware(struct iwi_softc *sc, enum ieee80211_opmode opmode)
2208 const struct iwi_firmware_hdr *hdr;
2209 const struct firmware *fp;
2211 /* invalidate cached firmware on mode change */
2212 if (sc->fw_mode != opmode)
2213 iwi_put_firmware(sc);
2216 case IEEE80211_M_STA:
2217 iwi_getfw(&sc->fw_fw, "iwi_bss", &sc->fw_uc, "iwi_ucode_bss");
2219 case IEEE80211_M_IBSS:
2220 iwi_getfw(&sc->fw_fw, "iwi_ibss", &sc->fw_uc, "iwi_ucode_ibss");
2222 case IEEE80211_M_MONITOR:
2223 iwi_getfw(&sc->fw_fw, "iwi_monitor",
2224 &sc->fw_uc, "iwi_ucode_monitor");
2227 device_printf(sc->sc_dev, "unknown opmode %d\n", opmode);
2232 device_printf(sc->sc_dev, "could not load firmware\n");
2235 if (fp->version < 300) {
2237 * Firmware prior to 3.0 was packaged as separate
2238 * boot, firmware, and ucode images. Verify the
2239 * ucode image was read in, retrieve the boot image
2240 * if needed, and check version stamps for consistency.
2241 * The version stamps in the data are also checked
2242 * above; this is a bit paranoid but is a cheap
2243 * safeguard against mis-packaging.
2245 if (sc->fw_uc.fp == NULL) {
2246 device_printf(sc->sc_dev, "could not load ucode\n");
2249 if (sc->fw_boot.fp == NULL) {
2250 sc->fw_boot.fp = firmware_get("iwi_boot");
2251 if (sc->fw_boot.fp == NULL) {
2252 device_printf(sc->sc_dev,
2253 "could not load boot firmware\n");
2257 if (sc->fw_boot.fp->version != sc->fw_fw.fp->version ||
2258 sc->fw_boot.fp->version != sc->fw_uc.fp->version) {
2259 device_printf(sc->sc_dev,
2260 "firmware version mismatch: "
2261 "'%s' is %d, '%s' is %d, '%s' is %d\n",
2262 sc->fw_boot.fp->name, sc->fw_boot.fp->version,
2263 sc->fw_uc.fp->name, sc->fw_uc.fp->version,
2264 sc->fw_fw.fp->name, sc->fw_fw.fp->version
2269 * Check and setup each image.
2271 if (iwi_setup_oucode(sc, &sc->fw_uc) == NULL ||
2272 iwi_setup_ofw(sc, &sc->fw_boot) == NULL ||
2273 iwi_setup_ofw(sc, &sc->fw_fw) == NULL)
2277 * Check and setup combined image.
2279 if (fp->datasize < sizeof(struct iwi_firmware_hdr)) {
2280 device_printf(sc->sc_dev, "image '%s' too small\n",
2284 hdr = (const struct iwi_firmware_hdr *)fp->data;
2285 if (fp->datasize < sizeof(*hdr) + le32toh(hdr->bsize) + le32toh(hdr->usize)
2286 + le32toh(hdr->fsize)) {
2287 device_printf(sc->sc_dev, "image '%s' too small (2)\n",
2291 sc->fw_boot.data = ((const char *) fp->data) + sizeof(*hdr);
2292 sc->fw_boot.size = le32toh(hdr->bsize);
2293 sc->fw_boot.name = fp->name;
2294 sc->fw_uc.data = sc->fw_boot.data + sc->fw_boot.size;
2295 sc->fw_uc.size = le32toh(hdr->usize);
2296 sc->fw_uc.name = fp->name;
2297 sc->fw_fw.data = sc->fw_uc.data + sc->fw_uc.size;
2298 sc->fw_fw.size = le32toh(hdr->fsize);
2299 sc->fw_fw.name = fp->name;
2302 device_printf(sc->sc_dev, "boot %d ucode %d fw %d bytes\n",
2303 sc->fw_boot.size, sc->fw_uc.size, sc->fw_fw.size);
2306 sc->fw_mode = opmode;
2309 iwi_put_firmware(sc);
2314 iwi_put_fw(struct iwi_fw *fw)
2316 if (fw->fp != NULL) {
2317 firmware_put(fw->fp, FIRMWARE_UNLOAD);
2326 * Release any cached firmware images.
2329 iwi_put_firmware(struct iwi_softc *sc)
2331 iwi_put_fw(&sc->fw_uc);
2332 iwi_put_fw(&sc->fw_fw);
2333 iwi_put_fw(&sc->fw_boot);
2337 iwi_load_ucode(struct iwi_softc *sc, const struct iwi_fw *fw)
2341 const char *uc = fw->data;
2342 size_t size = fw->size;
2343 int i, ntries, error;
2345 IWI_LOCK_ASSERT(sc);
2347 CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) |
2348 IWI_RST_STOP_MASTER);
2349 for (ntries = 0; ntries < 5; ntries++) {
2350 if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
2355 device_printf(sc->sc_dev, "timeout waiting for master\n");
2360 MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
2363 tmp = CSR_READ_4(sc, IWI_CSR_RST);
2364 tmp &= ~IWI_RST_PRINCETON_RESET;
2365 CSR_WRITE_4(sc, IWI_CSR_RST, tmp);
2368 MEM_WRITE_4(sc, 0x3000e0, 0);
2370 MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, 1);
2372 MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, 0);
2374 MEM_WRITE_1(sc, 0x200000, 0x00);
2375 MEM_WRITE_1(sc, 0x200000, 0x40);
2378 /* write microcode into adapter memory */
2379 for (w = (const uint16_t *)uc; size > 0; w++, size -= 2)
2380 MEM_WRITE_2(sc, 0x200010, htole16(*w));
2382 MEM_WRITE_1(sc, 0x200000, 0x00);
2383 MEM_WRITE_1(sc, 0x200000, 0x80);
2385 /* wait until we get an answer */
2386 for (ntries = 0; ntries < 100; ntries++) {
2387 if (MEM_READ_1(sc, 0x200000) & 1)
2391 if (ntries == 100) {
2392 device_printf(sc->sc_dev,
2393 "timeout waiting for ucode to initialize\n");
2398 /* read the answer or the firmware will not initialize properly */
2399 for (i = 0; i < 7; i++)
2400 MEM_READ_4(sc, 0x200004);
2402 MEM_WRITE_1(sc, 0x200000, 0x00);
2408 /* macro to handle unaligned little endian data in firmware image */
2409 #define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24)
2412 iwi_load_firmware(struct iwi_softc *sc, const struct iwi_fw *fw)
2415 uint32_t sentinel, ctl, src, dst, sum, len, mlen, tmp;
2418 IWI_LOCK_ASSERT(sc);
2420 /* copy firmware image to DMA memory */
2421 memcpy(sc->fw_virtaddr, fw->data, fw->size);
2423 /* make sure the adapter will get up-to-date values */
2424 bus_dmamap_sync(sc->fw_dmat, sc->fw_map, BUS_DMASYNC_PREWRITE);
2426 /* tell the adapter where the command blocks are stored */
2427 MEM_WRITE_4(sc, 0x3000a0, 0x27000);
2430 * Store command blocks into adapter's internal memory using register
2431 * indirections. The adapter will read the firmware image through DMA
2432 * using information stored in command blocks.
2434 src = sc->fw_physaddr;
2435 p = sc->fw_virtaddr;
2437 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0x27000);
2440 dst = GETLE32(p); p += 4; src += 4;
2441 len = GETLE32(p); p += 4; src += 4;
2445 mlen = min(len, IWI_CB_MAXDATALEN);
2447 ctl = IWI_CB_DEFAULT_CTL | mlen;
2448 sum = ctl ^ src ^ dst;
2450 /* write a command block */
2451 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, ctl);
2452 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, src);
2453 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, dst);
2454 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, sum);
2462 /* write a fictive final command block (sentinel) */
2463 sentinel = CSR_READ_4(sc, IWI_CSR_AUTOINC_ADDR);
2464 CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
2466 tmp = CSR_READ_4(sc, IWI_CSR_RST);
2467 tmp &= ~(IWI_RST_MASTER_DISABLED | IWI_RST_STOP_MASTER);
2468 CSR_WRITE_4(sc, IWI_CSR_RST, tmp);
2470 /* tell the adapter to start processing command blocks */
2471 MEM_WRITE_4(sc, 0x3000a4, 0x540100);
2473 /* wait until the adapter reaches the sentinel */
2474 for (ntries = 0; ntries < 400; ntries++) {
2475 if (MEM_READ_4(sc, 0x3000d0) >= sentinel)
2479 /* sync dma, just in case */
2480 bus_dmamap_sync(sc->fw_dmat, sc->fw_map, BUS_DMASYNC_POSTWRITE);
2481 if (ntries == 400) {
2482 device_printf(sc->sc_dev,
2483 "timeout processing command blocks for %s firmware\n",
2488 /* we're done with command blocks processing */
2489 MEM_WRITE_4(sc, 0x3000a4, 0x540c00);
2491 /* allow interrupts so we know when the firmware is ready */
2492 CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK);
2494 /* tell the adapter to initialize the firmware */
2495 CSR_WRITE_4(sc, IWI_CSR_RST, 0);
2497 tmp = CSR_READ_4(sc, IWI_CSR_CTL);
2498 CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_ALLOW_STANDBY);
2500 /* wait at most one second for firmware initialization to complete */
2501 if ((error = msleep(sc, &sc->sc_mtx, 0, "iwiinit", hz)) != 0) {
2502 device_printf(sc->sc_dev, "timeout waiting for %s firmware "
2503 "initialization to complete\n", fw->name);
2510 iwi_setpowermode(struct iwi_softc *sc, struct ieee80211vap *vap)
2514 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2515 /* XXX set more fine-grained operation */
2516 data = htole32(IWI_POWER_MODE_MAX);
2518 data = htole32(IWI_POWER_MODE_CAM);
2520 DPRINTF(("Setting power mode to %u\n", le32toh(data)));
2521 return iwi_cmd(sc, IWI_CMD_SET_POWER_MODE, &data, sizeof data);
2525 iwi_setwepkeys(struct iwi_softc *sc, struct ieee80211vap *vap)
2527 struct iwi_wep_key wepkey;
2528 struct ieee80211_key *wk;
2531 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
2532 wk = &vap->iv_nw_keys[i];
2534 wepkey.cmd = IWI_WEP_KEY_CMD_SETKEY;
2536 wepkey.len = wk->wk_keylen;
2537 memset(wepkey.key, 0, sizeof wepkey.key);
2538 memcpy(wepkey.key, wk->wk_key, wk->wk_keylen);
2539 DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx,
2541 error = iwi_cmd(sc, IWI_CMD_SET_WEP_KEY, &wepkey,
2550 iwi_config(struct iwi_softc *sc)
2552 struct ifnet *ifp = sc->sc_ifp;
2553 struct ieee80211com *ic = ifp->if_l2com;
2554 struct iwi_configuration config;
2555 struct iwi_rateset rs;
2556 struct iwi_txpower power;
2560 IWI_LOCK_ASSERT(sc);
2562 DPRINTF(("Setting MAC address to %6D\n", IF_LLADDR(ifp), ":"));
2563 error = iwi_cmd(sc, IWI_CMD_SET_MAC_ADDRESS, IF_LLADDR(ifp),
2564 IEEE80211_ADDR_LEN);
2568 memset(&config, 0, sizeof config);
2569 config.bluetooth_coexistence = sc->bluetooth;
2570 config.silence_threshold = 0x1e;
2571 config.antenna = sc->antenna;
2572 config.multicast_enabled = 1;
2573 config.answer_pbreq = (ic->ic_opmode == IEEE80211_M_IBSS) ? 1 : 0;
2574 config.disable_unicast_decryption = 1;
2575 config.disable_multicast_decryption = 1;
2576 if (ic->ic_opmode == IEEE80211_M_MONITOR) {
2577 config.allow_invalid_frames = 1;
2578 config.allow_beacon_and_probe_resp = 1;
2579 config.allow_mgt = 1;
2581 DPRINTF(("Configuring adapter\n"));
2582 error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config);
2585 if (ic->ic_opmode == IEEE80211_M_IBSS) {
2586 power.mode = IWI_MODE_11B;
2588 for (i = 0; i < 11; i++) {
2589 power.chan[i].chan = i + 1;
2590 power.chan[i].power = IWI_TXPOWER_MAX;
2592 DPRINTF(("Setting .11b channels tx power\n"));
2593 error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power);
2597 power.mode = IWI_MODE_11G;
2598 DPRINTF(("Setting .11g channels tx power\n"));
2599 error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power);
2604 memset(&rs, 0, sizeof rs);
2605 rs.mode = IWI_MODE_11G;
2606 rs.type = IWI_RATESET_TYPE_SUPPORTED;
2607 rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates;
2608 memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11G].rs_rates,
2610 DPRINTF(("Setting .11bg supported rates (%u)\n", rs.nrates));
2611 error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs);
2615 memset(&rs, 0, sizeof rs);
2616 rs.mode = IWI_MODE_11A;
2617 rs.type = IWI_RATESET_TYPE_SUPPORTED;
2618 rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates;
2619 memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11A].rs_rates,
2621 DPRINTF(("Setting .11a supported rates (%u)\n", rs.nrates));
2622 error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs);
2626 data = htole32(arc4random());
2627 DPRINTF(("Setting initialization vector to %u\n", le32toh(data)));
2628 error = iwi_cmd(sc, IWI_CMD_SET_IV, &data, sizeof data);
2632 /* enable adapter */
2633 DPRINTF(("Enabling adapter\n"));
2634 return iwi_cmd(sc, IWI_CMD_ENABLE, NULL, 0);
2637 static __inline void
2638 set_scan_type(struct iwi_scan_ext *scan, int ix, int scan_type)
2640 uint8_t *st = &scan->scan_type[ix / 2];
2642 *st = (*st & 0xf0) | ((scan_type & 0xf) << 0);
2644 *st = (*st & 0x0f) | ((scan_type & 0xf) << 4);
2648 scan_type(const struct ieee80211_scan_state *ss,
2649 const struct ieee80211_channel *chan)
2651 /* We can only set one essid for a directed scan */
2652 if (ss->ss_nssid != 0)
2653 return IWI_SCAN_TYPE_BDIRECTED;
2654 if ((ss->ss_flags & IEEE80211_SCAN_ACTIVE) &&
2655 (chan->ic_flags & IEEE80211_CHAN_PASSIVE) == 0)
2656 return IWI_SCAN_TYPE_BROADCAST;
2657 return IWI_SCAN_TYPE_PASSIVE;
2661 scan_band(const struct ieee80211_channel *c)
2663 return IEEE80211_IS_CHAN_5GHZ(c) ? IWI_CHAN_5GHZ : IWI_CHAN_2GHZ;
2667 iwi_monitor_scan(void *arg, int npending)
2669 struct iwi_softc *sc = arg;
2673 (void) iwi_scanchan(sc, 2000, 0);
2678 * Start a scan on the current channel or all channels.
2681 iwi_scanchan(struct iwi_softc *sc, unsigned long maxdwell, int allchan)
2683 struct ieee80211com *ic;
2684 struct ieee80211_channel *chan;
2685 struct ieee80211_scan_state *ss;
2686 struct iwi_scan_ext scan;
2689 IWI_LOCK_ASSERT(sc);
2690 if (sc->fw_state == IWI_FW_SCANNING) {
2692 * This should not happen as we only trigger scan_next after
2695 DPRINTF(("%s: called too early - still scanning\n", __func__));
2698 IWI_STATE_BEGIN(sc, IWI_FW_SCANNING);
2700 ic = sc->sc_ifp->if_l2com;
2703 memset(&scan, 0, sizeof scan);
2704 scan.full_scan_index = htole32(++sc->sc_scangen);
2705 scan.dwell_time[IWI_SCAN_TYPE_PASSIVE] = htole16(maxdwell);
2706 if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) {
2708 * Use very short dwell times for when we send probe request
2709 * frames. Without this bg scans hang. Ideally this should
2710 * be handled with early-termination as done by net80211 but
2711 * that's not feasible (aborting a scan is problematic).
2713 scan.dwell_time[IWI_SCAN_TYPE_BROADCAST] = htole16(30);
2714 scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED] = htole16(30);
2716 scan.dwell_time[IWI_SCAN_TYPE_BROADCAST] = htole16(maxdwell);
2717 scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED] = htole16(maxdwell);
2720 /* We can only set one essid for a directed scan */
2721 if (ss->ss_nssid != 0) {
2722 error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ss->ss_ssid[0].ssid,
2723 ss->ss_ssid[0].len);
2729 int i, next, band, b, bstart;
2731 * Convert scan list to run-length encoded channel list
2732 * the firmware requires (preserving the order setup by
2733 * net80211). The first entry in each run specifies the
2734 * band and the count of items in the run.
2736 next = 0; /* next open slot */
2737 bstart = 0; /* NB: not needed, silence compiler */
2738 band = -1; /* NB: impossible value */
2739 KASSERT(ss->ss_last > 0, ("no channels"));
2740 for (i = 0; i < ss->ss_last; i++) {
2741 chan = ss->ss_chans[i];
2742 b = scan_band(chan);
2745 scan.channels[bstart] =
2746 (next - bstart) | band;
2747 /* NB: this allocates a slot for the run-len */
2748 band = b, bstart = next++;
2750 if (next >= IWI_SCAN_CHANNELS) {
2751 DPRINTF(("truncating scan list\n"));
2754 scan.channels[next] = ieee80211_chan2ieee(ic, chan);
2755 set_scan_type(&scan, next, scan_type(ss, chan));
2758 scan.channels[bstart] = (next - bstart) | band;
2760 /* Scan the current channel only */
2761 chan = ic->ic_curchan;
2762 scan.channels[0] = 1 | scan_band(chan);
2763 scan.channels[1] = ieee80211_chan2ieee(ic, chan);
2764 set_scan_type(&scan, 1, scan_type(ss, chan));
2767 if (iwi_debug > 0) {
2768 static const char *scantype[8] =
2769 { "PSTOP", "PASV", "DIR", "BCAST", "BDIR", "5", "6", "7" };
2771 printf("Scan request: index %u dwell %d/%d/%d\n"
2772 , le32toh(scan.full_scan_index)
2773 , le16toh(scan.dwell_time[IWI_SCAN_TYPE_PASSIVE])
2774 , le16toh(scan.dwell_time[IWI_SCAN_TYPE_BROADCAST])
2775 , le16toh(scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED])
2779 int run = scan.channels[i];
2782 printf("Scan %d %s channels:", run & 0x3f,
2783 run & IWI_CHAN_2GHZ ? "2.4GHz" : "5GHz");
2784 for (run &= 0x3f, i++; run > 0; run--, i++) {
2785 uint8_t type = scan.scan_type[i/2];
2786 printf(" %u/%s", scan.channels[i],
2787 scantype[(i & 1 ? type : type>>4) & 7]);
2790 } while (i < IWI_SCAN_CHANNELS);
2794 return (iwi_cmd(sc, IWI_CMD_SCAN_EXT, &scan, sizeof scan));
2798 iwi_set_sensitivity(struct iwi_softc *sc, int8_t rssi_dbm)
2800 struct iwi_sensitivity sens;
2802 DPRINTF(("Setting sensitivity to %d\n", rssi_dbm));
2804 memset(&sens, 0, sizeof sens);
2805 sens.rssi = htole16(rssi_dbm);
2806 return iwi_cmd(sc, IWI_CMD_SET_SENSITIVITY, &sens, sizeof sens);
2810 iwi_auth_and_assoc(struct iwi_softc *sc, struct ieee80211vap *vap)
2812 struct ieee80211com *ic = vap->iv_ic;
2813 struct ifnet *ifp = vap->iv_ifp;
2814 struct ieee80211_node *ni = vap->iv_bss;
2815 struct iwi_configuration config;
2816 struct iwi_associate *assoc = &sc->assoc;
2817 struct iwi_rateset rs;
2822 IWI_LOCK_ASSERT(sc);
2824 if (sc->flags & IWI_FLAG_ASSOCIATED) {
2825 DPRINTF(("Already associated\n"));
2829 IWI_STATE_BEGIN(sc, IWI_FW_ASSOCIATING);
2833 if (IEEE80211_IS_CHAN_A(ic->ic_curchan))
2834 mode = IWI_MODE_11A;
2835 else if (IEEE80211_IS_CHAN_G(ic->ic_curchan))
2836 mode = IWI_MODE_11G;
2837 if (IEEE80211_IS_CHAN_B(ic->ic_curchan))
2838 mode = IWI_MODE_11B;
2840 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
2841 memset(&config, 0, sizeof config);
2842 config.bluetooth_coexistence = sc->bluetooth;
2843 config.antenna = sc->antenna;
2844 config.multicast_enabled = 1;
2845 if (mode == IWI_MODE_11G)
2846 config.use_protection = 1;
2847 config.answer_pbreq =
2848 (vap->iv_opmode == IEEE80211_M_IBSS) ? 1 : 0;
2849 config.disable_unicast_decryption = 1;
2850 config.disable_multicast_decryption = 1;
2851 DPRINTF(("Configuring adapter\n"));
2852 error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config);
2858 if (iwi_debug > 0) {
2859 printf("Setting ESSID to ");
2860 ieee80211_print_essid(ni->ni_essid, ni->ni_esslen);
2864 error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ni->ni_essid, ni->ni_esslen);
2868 error = iwi_setpowermode(sc, vap);
2872 data = htole32(vap->iv_rtsthreshold);
2873 DPRINTF(("Setting RTS threshold to %u\n", le32toh(data)));
2874 error = iwi_cmd(sc, IWI_CMD_SET_RTS_THRESHOLD, &data, sizeof data);
2878 data = htole32(vap->iv_fragthreshold);
2879 DPRINTF(("Setting fragmentation threshold to %u\n", le32toh(data)));
2880 error = iwi_cmd(sc, IWI_CMD_SET_FRAG_THRESHOLD, &data, sizeof data);
2884 /* the rate set has already been "negotiated" */
2885 memset(&rs, 0, sizeof rs);
2887 rs.type = IWI_RATESET_TYPE_NEGOTIATED;
2888 rs.nrates = ni->ni_rates.rs_nrates;
2889 if (rs.nrates > IWI_RATESET_SIZE) {
2890 DPRINTF(("Truncating negotiated rate set from %u\n",
2892 rs.nrates = IWI_RATESET_SIZE;
2894 memcpy(rs.rates, ni->ni_rates.rs_rates, rs.nrates);
2895 DPRINTF(("Setting negotiated rates (%u)\n", rs.nrates));
2896 error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs);
2900 memset(assoc, 0, sizeof *assoc);
2902 if ((vap->iv_flags & IEEE80211_F_WME) && ni->ni_ies.wme_ie != NULL) {
2903 /* NB: don't treat WME setup as failure */
2904 if (iwi_wme_setparams(sc, ic) == 0 && iwi_wme_setie(sc) == 0)
2905 assoc->policy |= htole16(IWI_POLICY_WME);
2906 /* XXX complain on failure? */
2909 if (vap->iv_appie_wpa != NULL) {
2910 struct ieee80211_appie *ie = vap->iv_appie_wpa;
2912 DPRINTF(("Setting optional IE (len=%u)\n", ie->ie_len));
2913 error = iwi_cmd(sc, IWI_CMD_SET_OPTIE, ie->ie_data, ie->ie_len);
2918 error = iwi_set_sensitivity(sc, ic->ic_node_getrssi(ni));
2923 assoc->chan = ic->ic_curchan->ic_ieee;
2925 * NB: do not arrange for shared key auth w/o privacy
2926 * (i.e. a wep key); it causes a firmware error.
2928 if ((vap->iv_flags & IEEE80211_F_PRIVACY) &&
2929 ni->ni_authmode == IEEE80211_AUTH_SHARED) {
2930 assoc->auth = IWI_AUTH_SHARED;
2932 * It's possible to have privacy marked but no default
2933 * key setup. This typically is due to a user app bug
2934 * but if we blindly grab the key the firmware will
2935 * barf so avoid it for now.
2937 if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE)
2938 assoc->auth |= vap->iv_def_txkey << 4;
2940 error = iwi_setwepkeys(sc, vap);
2944 if (vap->iv_flags & IEEE80211_F_WPA)
2945 assoc->policy |= htole16(IWI_POLICY_WPA);
2946 if (vap->iv_opmode == IEEE80211_M_IBSS && ni->ni_tstamp.tsf == 0)
2947 assoc->type = IWI_HC_IBSS_START;
2949 assoc->type = IWI_HC_ASSOC;
2950 memcpy(assoc->tstamp, ni->ni_tstamp.data, 8);
2952 if (vap->iv_opmode == IEEE80211_M_IBSS)
2953 capinfo = IEEE80211_CAPINFO_IBSS;
2955 capinfo = IEEE80211_CAPINFO_ESS;
2956 if (vap->iv_flags & IEEE80211_F_PRIVACY)
2957 capinfo |= IEEE80211_CAPINFO_PRIVACY;
2958 if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) &&
2959 IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2960 capinfo |= IEEE80211_CAPINFO_SHORT_PREAMBLE;
2961 if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
2962 capinfo |= IEEE80211_CAPINFO_SHORT_SLOTTIME;
2963 assoc->capinfo = htole16(capinfo);
2965 assoc->lintval = htole16(ic->ic_lintval);
2966 assoc->intval = htole16(ni->ni_intval);
2967 IEEE80211_ADDR_COPY(assoc->bssid, ni->ni_bssid);
2968 if (vap->iv_opmode == IEEE80211_M_IBSS)
2969 IEEE80211_ADDR_COPY(assoc->dst, ifp->if_broadcastaddr);
2971 IEEE80211_ADDR_COPY(assoc->dst, ni->ni_bssid);
2973 DPRINTF(("%s bssid %6D dst %6D channel %u policy 0x%x "
2974 "auth %u capinfo 0x%x lintval %u bintval %u\n",
2975 assoc->type == IWI_HC_IBSS_START ? "Start" : "Join",
2976 assoc->bssid, ":", assoc->dst, ":",
2977 assoc->chan, le16toh(assoc->policy), assoc->auth,
2978 le16toh(assoc->capinfo), le16toh(assoc->lintval),
2979 le16toh(assoc->intval)));
2980 error = iwi_cmd(sc, IWI_CMD_ASSOCIATE, assoc, sizeof *assoc);
2983 IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
2989 iwi_disassoc(void *arg, int pending)
2991 struct iwi_softc *sc = arg;
2995 iwi_disassociate(sc, 0);
3000 iwi_disassociate(struct iwi_softc *sc, int quiet)
3002 struct iwi_associate *assoc = &sc->assoc;
3004 if ((sc->flags & IWI_FLAG_ASSOCIATED) == 0) {
3005 DPRINTF(("Not associated\n"));
3009 IWI_STATE_BEGIN(sc, IWI_FW_DISASSOCIATING);
3012 assoc->type = IWI_HC_DISASSOC_QUIET;
3014 assoc->type = IWI_HC_DISASSOC;
3016 DPRINTF(("Trying to disassociate from %6D channel %u\n",
3017 assoc->bssid, ":", assoc->chan));
3018 return iwi_cmd(sc, IWI_CMD_ASSOCIATE, assoc, sizeof *assoc);
3022 * release dma resources for the firmware
3025 iwi_release_fw_dma(struct iwi_softc *sc)
3027 if (sc->fw_flags & IWI_FW_HAVE_PHY)
3028 bus_dmamap_unload(sc->fw_dmat, sc->fw_map);
3029 if (sc->fw_flags & IWI_FW_HAVE_MAP)
3030 bus_dmamem_free(sc->fw_dmat, sc->fw_virtaddr, sc->fw_map);
3031 if (sc->fw_flags & IWI_FW_HAVE_DMAT)
3032 bus_dma_tag_destroy(sc->fw_dmat);
3035 sc->fw_dma_size = 0;
3038 sc->fw_physaddr = 0;
3039 sc->fw_virtaddr = NULL;
3043 * allocate the dma descriptor for the firmware.
3044 * Return 0 on success, 1 on error.
3045 * Must be called unlocked, protected by IWI_FLAG_FW_LOADING.
3048 iwi_init_fw_dma(struct iwi_softc *sc, int size)
3050 if (sc->fw_dma_size >= size)
3052 if (bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0,
3053 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
3054 size, 1, size, 0, NULL, NULL, &sc->fw_dmat) != 0) {
3055 device_printf(sc->sc_dev,
3056 "could not create firmware DMA tag\n");
3059 sc->fw_flags |= IWI_FW_HAVE_DMAT;
3060 if (bus_dmamem_alloc(sc->fw_dmat, &sc->fw_virtaddr, 0,
3061 &sc->fw_map) != 0) {
3062 device_printf(sc->sc_dev,
3063 "could not allocate firmware DMA memory\n");
3066 sc->fw_flags |= IWI_FW_HAVE_MAP;
3067 if (bus_dmamap_load(sc->fw_dmat, sc->fw_map, sc->fw_virtaddr,
3068 size, iwi_dma_map_addr, &sc->fw_physaddr, 0) != 0) {
3069 device_printf(sc->sc_dev, "could not load firmware DMA map\n");
3072 sc->fw_flags |= IWI_FW_HAVE_PHY;
3073 sc->fw_dma_size = size;
3077 iwi_release_fw_dma(sc);
3082 iwi_init_locked(struct iwi_softc *sc)
3084 struct ifnet *ifp = sc->sc_ifp;
3085 struct iwi_rx_data *data;
3088 IWI_LOCK_ASSERT(sc);
3090 if (sc->fw_state == IWI_FW_LOADING) {
3091 device_printf(sc->sc_dev, "%s: already loading\n", __func__);
3092 return; /* XXX: condvar? */
3095 iwi_stop_locked(sc);
3097 IWI_STATE_BEGIN(sc, IWI_FW_LOADING);
3099 if (iwi_reset(sc) != 0) {
3100 device_printf(sc->sc_dev, "could not reset adapter\n");
3103 if (iwi_load_firmware(sc, &sc->fw_boot) != 0) {
3104 device_printf(sc->sc_dev,
3105 "could not load boot firmware %s\n", sc->fw_boot.name);
3108 if (iwi_load_ucode(sc, &sc->fw_uc) != 0) {
3109 device_printf(sc->sc_dev,
3110 "could not load microcode %s\n", sc->fw_uc.name);
3114 iwi_stop_master(sc);
3116 CSR_WRITE_4(sc, IWI_CSR_CMD_BASE, sc->cmdq.physaddr);
3117 CSR_WRITE_4(sc, IWI_CSR_CMD_SIZE, sc->cmdq.count);
3118 CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur);
3120 CSR_WRITE_4(sc, IWI_CSR_TX1_BASE, sc->txq[0].physaddr);
3121 CSR_WRITE_4(sc, IWI_CSR_TX1_SIZE, sc->txq[0].count);
3122 CSR_WRITE_4(sc, IWI_CSR_TX1_WIDX, sc->txq[0].cur);
3124 CSR_WRITE_4(sc, IWI_CSR_TX2_BASE, sc->txq[1].physaddr);
3125 CSR_WRITE_4(sc, IWI_CSR_TX2_SIZE, sc->txq[1].count);
3126 CSR_WRITE_4(sc, IWI_CSR_TX2_WIDX, sc->txq[1].cur);
3128 CSR_WRITE_4(sc, IWI_CSR_TX3_BASE, sc->txq[2].physaddr);
3129 CSR_WRITE_4(sc, IWI_CSR_TX3_SIZE, sc->txq[2].count);
3130 CSR_WRITE_4(sc, IWI_CSR_TX3_WIDX, sc->txq[2].cur);
3132 CSR_WRITE_4(sc, IWI_CSR_TX4_BASE, sc->txq[3].physaddr);
3133 CSR_WRITE_4(sc, IWI_CSR_TX4_SIZE, sc->txq[3].count);
3134 CSR_WRITE_4(sc, IWI_CSR_TX4_WIDX, sc->txq[3].cur);
3136 for (i = 0; i < sc->rxq.count; i++) {
3137 data = &sc->rxq.data[i];
3138 CSR_WRITE_4(sc, data->reg, data->physaddr);
3141 CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, sc->rxq.count - 1);
3143 if (iwi_load_firmware(sc, &sc->fw_fw) != 0) {
3144 device_printf(sc->sc_dev,
3145 "could not load main firmware %s\n", sc->fw_fw.name);
3148 sc->flags |= IWI_FLAG_FW_INITED;
3150 IWI_STATE_END(sc, IWI_FW_LOADING);
3152 if (iwi_config(sc) != 0) {
3153 device_printf(sc->sc_dev, "unable to enable adapter\n");
3157 callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc);
3158 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3159 ifp->if_drv_flags |= IFF_DRV_RUNNING;
3162 IWI_STATE_END(sc, IWI_FW_LOADING);
3164 iwi_stop_locked(sc);
3168 iwi_init(void *priv)
3170 struct iwi_softc *sc = priv;
3171 struct ifnet *ifp = sc->sc_ifp;
3172 struct ieee80211com *ic = ifp->if_l2com;
3176 iwi_init_locked(sc);
3179 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
3180 ieee80211_start_all(ic);
3184 iwi_stop_locked(void *priv)
3186 struct iwi_softc *sc = priv;
3187 struct ifnet *ifp = sc->sc_ifp;
3189 IWI_LOCK_ASSERT(sc);
3191 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
3193 if (sc->sc_softled) {
3194 callout_stop(&sc->sc_ledtimer);
3195 sc->sc_blinking = 0;
3197 callout_stop(&sc->sc_wdtimer);
3198 callout_stop(&sc->sc_rftimer);
3200 iwi_stop_master(sc);
3202 CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_SOFT_RESET);
3205 iwi_reset_cmd_ring(sc, &sc->cmdq);
3206 iwi_reset_tx_ring(sc, &sc->txq[0]);
3207 iwi_reset_tx_ring(sc, &sc->txq[1]);
3208 iwi_reset_tx_ring(sc, &sc->txq[2]);
3209 iwi_reset_tx_ring(sc, &sc->txq[3]);
3210 iwi_reset_rx_ring(sc, &sc->rxq);
3212 sc->sc_tx_timer = 0;
3213 sc->sc_state_timer = 0;
3214 sc->sc_busy_timer = 0;
3215 sc->flags &= ~(IWI_FLAG_BUSY | IWI_FLAG_ASSOCIATED);
3216 sc->fw_state = IWI_FW_IDLE;
3221 iwi_stop(struct iwi_softc *sc)
3226 iwi_stop_locked(sc);
3231 iwi_restart(void *arg, int npending)
3233 struct iwi_softc *sc = arg;
3239 * Return whether or not the radio is enabled in hardware
3240 * (i.e. the rfkill switch is "off").
3243 iwi_getrfkill(struct iwi_softc *sc)
3245 return (CSR_READ_4(sc, IWI_CSR_IO) & IWI_IO_RADIO_ENABLED) == 0;
3249 iwi_radio_on(void *arg, int pending)
3251 struct iwi_softc *sc = arg;
3252 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3254 device_printf(sc->sc_dev, "radio turned on\n");
3257 ieee80211_notify_radio(ic, 1);
3261 iwi_rfkill_poll(void *arg)
3263 struct iwi_softc *sc = arg;
3265 IWI_LOCK_ASSERT(sc);
3268 * Check for a change in rfkill state. We get an
3269 * interrupt when a radio is disabled but not when
3270 * it is enabled so we must poll for the latter.
3272 if (!iwi_getrfkill(sc)) {
3273 struct ifnet *ifp = sc->sc_ifp;
3274 struct ieee80211com *ic = ifp->if_l2com;
3276 ieee80211_runtask(ic, &sc->sc_radiontask);
3279 callout_reset(&sc->sc_rftimer, 2*hz, iwi_rfkill_poll, sc);
3283 iwi_radio_off(void *arg, int pending)
3285 struct iwi_softc *sc = arg;
3286 struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3289 device_printf(sc->sc_dev, "radio turned off\n");
3291 ieee80211_notify_radio(ic, 0);
3294 iwi_stop_locked(sc);
3295 iwi_rfkill_poll(sc);
3300 iwi_sysctl_stats(SYSCTL_HANDLER_ARGS)
3302 struct iwi_softc *sc = arg1;
3303 uint32_t size, buf[128];
3305 memset(buf, 0, sizeof buf);
3307 if (!(sc->flags & IWI_FLAG_FW_INITED))
3308 return SYSCTL_OUT(req, buf, sizeof buf);
3310 size = min(CSR_READ_4(sc, IWI_CSR_TABLE0_SIZE), 128 - 1);
3311 CSR_READ_REGION_4(sc, IWI_CSR_TABLE0_BASE, &buf[1], size);
3313 return SYSCTL_OUT(req, buf, size);
3317 iwi_sysctl_radio(SYSCTL_HANDLER_ARGS)
3319 struct iwi_softc *sc = arg1;
3320 int val = !iwi_getrfkill(sc);
3322 return SYSCTL_OUT(req, &val, sizeof val);
3329 iwi_sysctlattach(struct iwi_softc *sc)
3331 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
3332 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
3334 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "radio",
3335 CTLTYPE_INT | CTLFLAG_RD, sc, 0, iwi_sysctl_radio, "I",
3336 "radio transmitter switch state (0=off, 1=on)");
3338 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "stats",
3339 CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, iwi_sysctl_stats, "S",
3343 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "bluetooth",
3344 CTLFLAG_RW, &sc->bluetooth, 0, "bluetooth coexistence");
3346 sc->antenna = IWI_ANTENNA_AUTO;
3347 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "antenna",
3348 CTLFLAG_RW, &sc->antenna, 0, "antenna (0=auto)");
3354 * Different cards have different capabilities. Some have three
3355 * led's while others have only one. The linux ipw driver defines
3356 * led's for link state (associated or not), band (11a, 11g, 11b),
3357 * and for link activity. We use one led and vary the blink rate
3358 * according to the tx/rx traffic a la the ath driver.
3361 static __inline uint32_t
3362 iwi_toggle_event(uint32_t r)
3364 return r &~ (IWI_RST_STANDBY | IWI_RST_GATE_ODMA |
3365 IWI_RST_GATE_IDMA | IWI_RST_GATE_ADMA);
3369 iwi_read_event(struct iwi_softc *sc)
3371 return MEM_READ_4(sc, IWI_MEM_EEPROM_EVENT);
3375 iwi_write_event(struct iwi_softc *sc, uint32_t v)
3377 MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, v);
3381 iwi_led_done(void *arg)
3383 struct iwi_softc *sc = arg;
3385 sc->sc_blinking = 0;
3389 * Turn the activity LED off: flip the pin and then set a timer so no
3390 * update will happen for the specified duration.
3393 iwi_led_off(void *arg)
3395 struct iwi_softc *sc = arg;
3398 v = iwi_read_event(sc);
3399 v &= ~sc->sc_ledpin;
3400 iwi_write_event(sc, iwi_toggle_event(v));
3401 callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, iwi_led_done, sc);
3405 * Blink the LED according to the specified on/off times.
3408 iwi_led_blink(struct iwi_softc *sc, int on, int off)
3412 v = iwi_read_event(sc);
3414 iwi_write_event(sc, iwi_toggle_event(v));
3415 sc->sc_blinking = 1;
3416 sc->sc_ledoff = off;
3417 callout_reset(&sc->sc_ledtimer, on, iwi_led_off, sc);
3421 iwi_led_event(struct iwi_softc *sc, int event)
3423 #define N(a) (sizeof(a)/sizeof(a[0]))
3424 /* NB: on/off times from the Atheros NDIS driver, w/ permission */
3425 static const struct {
3426 u_int rate; /* tx/rx iwi rate */
3427 u_int16_t timeOn; /* LED on time (ms) */
3428 u_int16_t timeOff; /* LED off time (ms) */
3430 { IWI_RATE_OFDM54, 40, 10 },
3431 { IWI_RATE_OFDM48, 44, 11 },
3432 { IWI_RATE_OFDM36, 50, 13 },
3433 { IWI_RATE_OFDM24, 57, 14 },
3434 { IWI_RATE_OFDM18, 67, 16 },
3435 { IWI_RATE_OFDM12, 80, 20 },
3436 { IWI_RATE_DS11, 100, 25 },
3437 { IWI_RATE_OFDM9, 133, 34 },
3438 { IWI_RATE_OFDM6, 160, 40 },
3439 { IWI_RATE_DS5, 200, 50 },
3440 { 6, 240, 58 }, /* XXX 3Mb/s if it existed */
3441 { IWI_RATE_DS2, 267, 66 },
3442 { IWI_RATE_DS1, 400, 100 },
3443 { 0, 500, 130 }, /* unknown rate/polling */
3446 int j = 0; /* XXX silence compiler */
3448 sc->sc_ledevent = ticks; /* time of last event */
3449 if (sc->sc_blinking) /* don't interrupt active blink */
3453 j = N(blinkrates)-1;
3456 /* read current transmission rate from adapter */
3457 txrate = CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE);
3458 if (blinkrates[sc->sc_txrix].rate != txrate) {
3459 for (j = 0; j < N(blinkrates)-1; j++)
3460 if (blinkrates[j].rate == txrate)
3467 if (blinkrates[sc->sc_rxrix].rate != sc->sc_rxrate) {
3468 for (j = 0; j < N(blinkrates)-1; j++)
3469 if (blinkrates[j].rate == sc->sc_rxrate)
3476 /* XXX beware of overflow */
3477 iwi_led_blink(sc, (blinkrates[j].timeOn * hz) / 1000,
3478 (blinkrates[j].timeOff * hz) / 1000);
3483 iwi_sysctl_softled(SYSCTL_HANDLER_ARGS)
3485 struct iwi_softc *sc = arg1;
3486 int softled = sc->sc_softled;
3489 error = sysctl_handle_int(oidp, &softled, 0, req);
3490 if (error || !req->newptr)
3492 softled = (softled != 0);
3493 if (softled != sc->sc_softled) {
3495 uint32_t v = iwi_read_event(sc);
3496 v &= ~sc->sc_ledpin;
3497 iwi_write_event(sc, iwi_toggle_event(v));
3499 sc->sc_softled = softled;
3505 iwi_ledattach(struct iwi_softc *sc)
3507 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
3508 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
3510 sc->sc_blinking = 0;
3511 sc->sc_ledstate = 1;
3512 sc->sc_ledidle = (2700*hz)/1000; /* 2.7sec */
3513 callout_init_mtx(&sc->sc_ledtimer, &sc->sc_mtx, 0);
3515 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3516 "softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
3517 iwi_sysctl_softled, "I", "enable/disable software LED support");
3518 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3519 "ledpin", CTLFLAG_RW, &sc->sc_ledpin, 0,
3520 "pin setting to turn activity LED on");
3521 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3522 "ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
3523 "idle time for inactivity LED (ticks)");
3524 /* XXX for debugging */
3525 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3526 "nictype", CTLFLAG_RD, &sc->sc_nictype, 0,
3527 "NIC type from EEPROM");
3529 sc->sc_ledpin = IWI_RST_LED_ACTIVITY;
3532 sc->sc_nictype = (iwi_read_prom_word(sc, IWI_EEPROM_NIC) >> 8) & 0xff;
3533 if (sc->sc_nictype == 1) {
3535 * NB: led's are reversed.
3537 sc->sc_ledpin = IWI_RST_LED_ASSOCIATED;
3542 iwi_scan_start(struct ieee80211com *ic)
3548 iwi_set_channel(struct ieee80211com *ic)
3550 struct ifnet *ifp = ic->ic_ifp;
3551 struct iwi_softc *sc = ifp->if_softc;
3552 if (sc->fw_state == IWI_FW_IDLE)
3553 iwi_setcurchan(sc, ic->ic_curchan->ic_ieee);
3557 iwi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
3559 struct ieee80211vap *vap = ss->ss_vap;
3560 struct ifnet *ifp = vap->iv_ic->ic_ifp;
3561 struct iwi_softc *sc = ifp->if_softc;
3565 if (iwi_scanchan(sc, maxdwell, 0))
3566 ieee80211_cancel_scan(vap);
3571 iwi_scan_mindwell(struct ieee80211_scan_state *ss)
3573 /* NB: don't try to abort scan; wait for firmware to finish */
3577 iwi_scan_end(struct ieee80211com *ic)
3579 struct ifnet *ifp = ic->ic_ifp;
3580 struct iwi_softc *sc = ifp->if_softc;
3584 sc->flags &= ~IWI_FLAG_CHANNEL_SCAN;
3585 /* NB: make sure we're still scanning */
3586 if (sc->fw_state == IWI_FW_SCANNING)
3587 iwi_cmd(sc, IWI_CMD_ABORT_SCAN, NULL, 0);