2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2004-2006
5 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
6 * Copyright (c) 2006 Sam Leffler, Errno Consulting
7 * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org>
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
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
36 * Intel(R) PRO/Wireless 2100 MiniPCI driver
37 * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm
40 #include <sys/param.h>
41 #include <sys/sysctl.h>
42 #include <sys/sockio.h>
44 #include <sys/kernel.h>
45 #include <sys/socket.h>
46 #include <sys/systm.h>
47 #include <sys/malloc.h>
48 #include <sys/queue.h>
49 #include <sys/taskqueue.h>
50 #include <sys/module.h>
52 #include <sys/endian.h>
53 #include <sys/linker.h>
54 #include <sys/firmware.h>
56 #include <machine/bus.h>
57 #include <machine/resource.h>
60 #include <dev/pci/pcireg.h>
61 #include <dev/pci/pcivar.h>
65 #include <net/if_var.h>
66 #include <net/if_arp.h>
67 #include <net/ethernet.h>
68 #include <net/if_dl.h>
69 #include <net/if_media.h>
70 #include <net/if_types.h>
72 #include <net80211/ieee80211_var.h>
73 #include <net80211/ieee80211_radiotap.h>
75 #include <netinet/in.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/in_var.h>
78 #include <netinet/ip.h>
79 #include <netinet/if_ether.h>
81 #include <dev/ipw/if_ipwreg.h>
82 #include <dev/ipw/if_ipwvar.h>
86 #define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0)
87 #define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0)
89 SYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level");
92 #define DPRINTFN(n, x)
95 MODULE_DEPEND(ipw, pci, 1, 1, 1);
96 MODULE_DEPEND(ipw, wlan, 1, 1, 1);
97 MODULE_DEPEND(ipw, firmware, 1, 1, 1);
105 static const struct ipw_ident ipw_ident_table[] = {
106 { 0x8086, 0x1043, "Intel(R) PRO/Wireless 2100 MiniPCI" },
111 static struct ieee80211vap *ipw_vap_create(struct ieee80211com *,
112 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
113 const uint8_t [IEEE80211_ADDR_LEN],
114 const uint8_t [IEEE80211_ADDR_LEN]);
115 static void ipw_vap_delete(struct ieee80211vap *);
116 static int ipw_dma_alloc(struct ipw_softc *);
117 static void ipw_release(struct ipw_softc *);
118 static void ipw_media_status(struct ifnet *, struct ifmediareq *);
119 static int ipw_newstate(struct ieee80211vap *, enum ieee80211_state, int);
120 static uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t);
121 static uint16_t ipw_read_chanmask(struct ipw_softc *);
122 static void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *);
123 static void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *);
124 static void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *,
125 struct ipw_soft_bd *, struct ipw_soft_buf *);
126 static void ipw_rx_intr(struct ipw_softc *);
127 static void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *);
128 static void ipw_tx_intr(struct ipw_softc *);
129 static void ipw_intr(void *);
130 static void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int);
131 static const char * ipw_cmdname(int);
132 static int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t);
133 static int ipw_tx_start(struct ipw_softc *, struct mbuf *,
134 struct ieee80211_node *);
135 static int ipw_raw_xmit(struct ieee80211_node *, struct mbuf *,
136 const struct ieee80211_bpf_params *);
137 static int ipw_transmit(struct ieee80211com *, struct mbuf *);
138 static void ipw_start(struct ipw_softc *);
139 static void ipw_watchdog(void *);
140 static void ipw_parent(struct ieee80211com *);
141 static void ipw_stop_master(struct ipw_softc *);
142 static int ipw_enable(struct ipw_softc *);
143 static int ipw_disable(struct ipw_softc *);
144 static int ipw_reset(struct ipw_softc *);
145 static int ipw_load_ucode(struct ipw_softc *, const char *, int);
146 static int ipw_load_firmware(struct ipw_softc *, const char *, int);
147 static int ipw_config(struct ipw_softc *);
148 static void ipw_assoc(struct ieee80211com *, struct ieee80211vap *);
149 static void ipw_disassoc(struct ieee80211com *, struct ieee80211vap *);
150 static void ipw_init_task(void *, int);
151 static void ipw_init(void *);
152 static void ipw_init_locked(struct ipw_softc *);
153 static void ipw_stop(void *);
154 static void ipw_stop_locked(struct ipw_softc *);
155 static int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS);
156 static int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS);
157 static uint32_t ipw_read_table1(struct ipw_softc *, uint32_t);
158 static void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t);
160 static int ipw_read_table2(struct ipw_softc *, uint32_t, void *,
162 static void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *,
165 static void ipw_write_mem_1(struct ipw_softc *, bus_size_t,
166 const uint8_t *, bus_size_t);
167 static int ipw_scan(struct ipw_softc *);
168 static void ipw_scan_start(struct ieee80211com *);
169 static void ipw_scan_end(struct ieee80211com *);
170 static void ipw_getradiocaps(struct ieee80211com *, int, int *,
171 struct ieee80211_channel[]);
172 static void ipw_set_channel(struct ieee80211com *);
173 static void ipw_scan_curchan(struct ieee80211_scan_state *,
174 unsigned long maxdwell);
175 static void ipw_scan_mindwell(struct ieee80211_scan_state *);
177 static int ipw_probe(device_t);
178 static int ipw_attach(device_t);
179 static int ipw_detach(device_t);
180 static int ipw_shutdown(device_t);
181 static int ipw_suspend(device_t);
182 static int ipw_resume(device_t);
184 static device_method_t ipw_methods[] = {
185 /* Device interface */
186 DEVMETHOD(device_probe, ipw_probe),
187 DEVMETHOD(device_attach, ipw_attach),
188 DEVMETHOD(device_detach, ipw_detach),
189 DEVMETHOD(device_shutdown, ipw_shutdown),
190 DEVMETHOD(device_suspend, ipw_suspend),
191 DEVMETHOD(device_resume, ipw_resume),
196 static driver_t ipw_driver = {
199 sizeof (struct ipw_softc)
202 static devclass_t ipw_devclass;
204 DRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, NULL, NULL);
206 MODULE_VERSION(ipw, 1);
209 ipw_probe(device_t dev)
211 const struct ipw_ident *ident;
213 for (ident = ipw_ident_table; ident->name != NULL; ident++) {
214 if (pci_get_vendor(dev) == ident->vendor &&
215 pci_get_device(dev) == ident->device) {
216 device_set_desc(dev, ident->name);
217 return (BUS_PROBE_DEFAULT);
223 /* Base Address Register */
225 ipw_attach(device_t dev)
227 struct ipw_softc *sc = device_get_softc(dev);
228 struct ieee80211com *ic = &sc->sc_ic;
234 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
235 MTX_DEF | MTX_RECURSE);
236 mbufq_init(&sc->sc_snd, ifqmaxlen);
237 TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc);
238 callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0);
240 pci_write_config(dev, 0x41, 0, 1);
242 /* enable bus-mastering */
243 pci_enable_busmaster(dev);
246 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, RF_ACTIVE);
247 if (sc->mem == NULL) {
248 device_printf(dev, "could not allocate memory resource\n");
252 sc->sc_st = rman_get_bustag(sc->mem);
253 sc->sc_sh = rman_get_bushandle(sc->mem);
256 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i,
257 RF_ACTIVE | RF_SHAREABLE);
258 if (sc->irq == NULL) {
259 device_printf(dev, "could not allocate interrupt resource\n");
263 if (ipw_reset(sc) != 0) {
264 device_printf(dev, "could not reset adapter\n");
268 if (ipw_dma_alloc(sc) != 0) {
269 device_printf(dev, "could not allocate DMA resources\n");
274 ic->ic_name = device_get_nameunit(dev);
275 ic->ic_opmode = IEEE80211_M_STA;
276 ic->ic_phytype = IEEE80211_T_DS;
278 /* set device capabilities */
280 IEEE80211_C_STA /* station mode supported */
281 | IEEE80211_C_IBSS /* IBSS mode supported */
282 | IEEE80211_C_MONITOR /* monitor mode supported */
283 | IEEE80211_C_PMGT /* power save supported */
284 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
285 | IEEE80211_C_WPA /* 802.11i supported */
288 /* read MAC address from EEPROM */
289 val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0);
290 ic->ic_macaddr[0] = val >> 8;
291 ic->ic_macaddr[1] = val & 0xff;
292 val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 1);
293 ic->ic_macaddr[2] = val >> 8;
294 ic->ic_macaddr[3] = val & 0xff;
295 val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 2);
296 ic->ic_macaddr[4] = val >> 8;
297 ic->ic_macaddr[5] = val & 0xff;
299 sc->chanmask = ipw_read_chanmask(sc);
300 ipw_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
303 /* check support for radio transmitter switch in EEPROM */
304 if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8))
305 sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH;
307 ieee80211_ifattach(ic);
308 ic->ic_scan_start = ipw_scan_start;
309 ic->ic_scan_end = ipw_scan_end;
310 ic->ic_getradiocaps = ipw_getradiocaps;
311 ic->ic_set_channel = ipw_set_channel;
312 ic->ic_scan_curchan = ipw_scan_curchan;
313 ic->ic_scan_mindwell = ipw_scan_mindwell;
314 ic->ic_raw_xmit = ipw_raw_xmit;
315 ic->ic_vap_create = ipw_vap_create;
316 ic->ic_vap_delete = ipw_vap_delete;
317 ic->ic_transmit = ipw_transmit;
318 ic->ic_parent = ipw_parent;
320 ieee80211_radiotap_attach(ic,
321 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
322 IPW_TX_RADIOTAP_PRESENT,
323 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
324 IPW_RX_RADIOTAP_PRESENT);
327 * Add a few sysctl knobs.
329 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
330 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio",
331 CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I",
332 "radio transmitter switch state (0=off, 1=on)");
334 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
335 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats",
336 CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S",
340 * Hook our interrupt after all initialization is complete.
342 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
343 NULL, ipw_intr, sc, &sc->sc_ih);
345 device_printf(dev, "could not set up interrupt\n");
350 ieee80211_announce(ic);
356 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq);
358 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem),
361 mtx_destroy(&sc->sc_mtx);
366 ipw_detach(device_t dev)
368 struct ipw_softc *sc = device_get_softc(dev);
369 struct ieee80211com *ic = &sc->sc_ic;
371 bus_teardown_intr(dev, sc->irq, sc->sc_ih);
373 ieee80211_draintask(ic, &sc->sc_init_task);
376 ieee80211_ifdetach(ic);
378 callout_drain(&sc->sc_wdtimer);
379 mbufq_drain(&sc->sc_snd);
383 bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq);
385 bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem),
388 if (sc->sc_firmware != NULL) {
389 firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD);
390 sc->sc_firmware = NULL;
393 mtx_destroy(&sc->sc_mtx);
398 static struct ieee80211vap *
399 ipw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
400 enum ieee80211_opmode opmode, int flags,
401 const uint8_t bssid[IEEE80211_ADDR_LEN],
402 const uint8_t mac[IEEE80211_ADDR_LEN])
404 struct ipw_softc *sc = ic->ic_softc;
406 struct ieee80211vap *vap;
407 const struct firmware *fp;
408 const struct ipw_firmware_hdr *hdr;
409 const char *imagename;
411 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
415 case IEEE80211_M_STA:
416 imagename = "ipw_bss";
418 case IEEE80211_M_IBSS:
419 imagename = "ipw_ibss";
421 case IEEE80211_M_MONITOR:
422 imagename = "ipw_monitor";
429 * Load firmware image using the firmware(9) subsystem. Doing
430 * this unlocked is ok since we're single-threaded by the
433 if (sc->sc_firmware == NULL ||
434 strcmp(sc->sc_firmware->name, imagename) != 0) {
435 if (sc->sc_firmware != NULL)
436 firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD);
437 sc->sc_firmware = firmware_get(imagename);
439 if (sc->sc_firmware == NULL) {
440 device_printf(sc->sc_dev,
441 "could not load firmware image '%s'\n", imagename);
444 fp = sc->sc_firmware;
445 if (fp->datasize < sizeof *hdr) {
446 device_printf(sc->sc_dev,
447 "firmware image too short %zu\n", fp->datasize);
448 firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD);
449 sc->sc_firmware = NULL;
452 hdr = (const struct ipw_firmware_hdr *)fp->data;
453 if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) +
454 le32toh(hdr->ucodesz)) {
455 device_printf(sc->sc_dev,
456 "firmware image too short %zu\n", fp->datasize);
457 firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD);
458 sc->sc_firmware = NULL;
462 ivp = malloc(sizeof(struct ipw_vap), M_80211_VAP, M_WAITOK | M_ZERO);
465 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid);
466 /* override with driver methods */
467 ivp->newstate = vap->iv_newstate;
468 vap->iv_newstate = ipw_newstate;
471 ieee80211_vap_attach(vap, ieee80211_media_change, ipw_media_status,
473 ic->ic_opmode = opmode;
478 ipw_vap_delete(struct ieee80211vap *vap)
480 struct ipw_vap *ivp = IPW_VAP(vap);
482 ieee80211_vap_detach(vap);
483 free(ivp, M_80211_VAP);
487 ipw_dma_alloc(struct ipw_softc *sc)
489 struct ipw_soft_bd *sbd;
490 struct ipw_soft_hdr *shdr;
491 struct ipw_soft_buf *sbuf;
496 * Allocate parent DMA tag for subsequent allocations.
498 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
499 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
500 BUS_SPACE_MAXSIZE_32BIT, BUS_SPACE_UNRESTRICTED,
501 BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL, &sc->parent_dmat);
503 device_printf(sc->sc_dev, "could not create parent DMA tag\n");
508 * Allocate and map tx ring.
510 error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT,
511 BUS_SPACE_MAXADDR, NULL, NULL, IPW_TBD_SZ, 1, IPW_TBD_SZ, 0, NULL,
512 NULL, &sc->tbd_dmat);
514 device_printf(sc->sc_dev, "could not create tx ring DMA tag\n");
518 error = bus_dmamem_alloc(sc->tbd_dmat, (void **)&sc->tbd_list,
519 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tbd_map);
521 device_printf(sc->sc_dev,
522 "could not allocate tx ring DMA memory\n");
526 error = bus_dmamap_load(sc->tbd_dmat, sc->tbd_map, sc->tbd_list,
527 IPW_TBD_SZ, ipw_dma_map_addr, &sc->tbd_phys, 0);
529 device_printf(sc->sc_dev, "could not map tx ring DMA memory\n");
534 * Allocate and map rx ring.
536 error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT,
537 BUS_SPACE_MAXADDR, NULL, NULL, IPW_RBD_SZ, 1, IPW_RBD_SZ, 0, NULL,
538 NULL, &sc->rbd_dmat);
540 device_printf(sc->sc_dev, "could not create rx ring DMA tag\n");
544 error = bus_dmamem_alloc(sc->rbd_dmat, (void **)&sc->rbd_list,
545 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->rbd_map);
547 device_printf(sc->sc_dev,
548 "could not allocate rx ring DMA memory\n");
552 error = bus_dmamap_load(sc->rbd_dmat, sc->rbd_map, sc->rbd_list,
553 IPW_RBD_SZ, ipw_dma_map_addr, &sc->rbd_phys, 0);
555 device_printf(sc->sc_dev, "could not map rx ring DMA memory\n");
560 * Allocate and map status ring.
562 error = bus_dma_tag_create(sc->parent_dmat, 4, 0, BUS_SPACE_MAXADDR_32BIT,
563 BUS_SPACE_MAXADDR, NULL, NULL, IPW_STATUS_SZ, 1, IPW_STATUS_SZ, 0,
564 NULL, NULL, &sc->status_dmat);
566 device_printf(sc->sc_dev,
567 "could not create status ring DMA tag\n");
571 error = bus_dmamem_alloc(sc->status_dmat, (void **)&sc->status_list,
572 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->status_map);
574 device_printf(sc->sc_dev,
575 "could not allocate status ring DMA memory\n");
579 error = bus_dmamap_load(sc->status_dmat, sc->status_map,
580 sc->status_list, IPW_STATUS_SZ, ipw_dma_map_addr, &sc->status_phys,
583 device_printf(sc->sc_dev,
584 "could not map status ring DMA memory\n");
589 * Allocate command DMA map.
591 error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT,
592 BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_cmd), 1,
593 sizeof (struct ipw_cmd), 0, NULL, NULL, &sc->cmd_dmat);
595 device_printf(sc->sc_dev, "could not create command DMA tag\n");
599 error = bus_dmamap_create(sc->cmd_dmat, 0, &sc->cmd_map);
601 device_printf(sc->sc_dev,
602 "could not create command DMA map\n");
607 * Allocate headers DMA maps.
609 error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT,
610 BUS_SPACE_MAXADDR, NULL, NULL, sizeof (struct ipw_hdr), 1,
611 sizeof (struct ipw_hdr), 0, NULL, NULL, &sc->hdr_dmat);
613 device_printf(sc->sc_dev, "could not create header DMA tag\n");
617 SLIST_INIT(&sc->free_shdr);
618 for (i = 0; i < IPW_NDATA; i++) {
619 shdr = &sc->shdr_list[i];
620 error = bus_dmamap_create(sc->hdr_dmat, 0, &shdr->map);
622 device_printf(sc->sc_dev,
623 "could not create header DMA map\n");
626 SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next);
630 * Allocate tx buffers DMA maps.
632 error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT,
633 BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, IPW_MAX_NSEG, MCLBYTES, 0,
634 NULL, NULL, &sc->txbuf_dmat);
636 device_printf(sc->sc_dev, "could not create tx DMA tag\n");
640 SLIST_INIT(&sc->free_sbuf);
641 for (i = 0; i < IPW_NDATA; i++) {
642 sbuf = &sc->tx_sbuf_list[i];
643 error = bus_dmamap_create(sc->txbuf_dmat, 0, &sbuf->map);
645 device_printf(sc->sc_dev,
646 "could not create tx DMA map\n");
649 SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next);
653 * Initialize tx ring.
655 for (i = 0; i < IPW_NTBD; i++) {
656 sbd = &sc->stbd_list[i];
657 sbd->bd = &sc->tbd_list[i];
658 sbd->type = IPW_SBD_TYPE_NOASSOC;
662 * Pre-allocate rx buffers and DMA maps.
664 error = bus_dma_tag_create(sc->parent_dmat, 1, 0, BUS_SPACE_MAXADDR_32BIT,
665 BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL,
666 NULL, &sc->rxbuf_dmat);
668 device_printf(sc->sc_dev, "could not create rx DMA tag\n");
672 for (i = 0; i < IPW_NRBD; i++) {
673 sbd = &sc->srbd_list[i];
674 sbuf = &sc->rx_sbuf_list[i];
675 sbd->bd = &sc->rbd_list[i];
677 sbuf->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
678 if (sbuf->m == NULL) {
679 device_printf(sc->sc_dev,
680 "could not allocate rx mbuf\n");
685 error = bus_dmamap_create(sc->rxbuf_dmat, 0, &sbuf->map);
687 device_printf(sc->sc_dev,
688 "could not create rx DMA map\n");
692 error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map,
693 mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr,
696 device_printf(sc->sc_dev,
697 "could not map rx DMA memory\n");
701 sbd->type = IPW_SBD_TYPE_DATA;
703 sbd->bd->physaddr = htole32(physaddr);
704 sbd->bd->len = htole32(MCLBYTES);
707 bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE);
711 fail: ipw_release(sc);
716 ipw_release(struct ipw_softc *sc)
718 struct ipw_soft_buf *sbuf;
721 if (sc->parent_dmat != NULL) {
722 bus_dma_tag_destroy(sc->parent_dmat);
725 if (sc->tbd_dmat != NULL) {
726 bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map);
727 bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, sc->tbd_map);
728 bus_dma_tag_destroy(sc->tbd_dmat);
731 if (sc->rbd_dmat != NULL) {
732 if (sc->rbd_list != NULL) {
733 bus_dmamap_unload(sc->rbd_dmat, sc->rbd_map);
734 bus_dmamem_free(sc->rbd_dmat, sc->rbd_list,
737 bus_dma_tag_destroy(sc->rbd_dmat);
740 if (sc->status_dmat != NULL) {
741 if (sc->status_list != NULL) {
742 bus_dmamap_unload(sc->status_dmat, sc->status_map);
743 bus_dmamem_free(sc->status_dmat, sc->status_list,
746 bus_dma_tag_destroy(sc->status_dmat);
749 for (i = 0; i < IPW_NTBD; i++)
750 ipw_release_sbd(sc, &sc->stbd_list[i]);
752 if (sc->cmd_dmat != NULL) {
753 bus_dmamap_destroy(sc->cmd_dmat, sc->cmd_map);
754 bus_dma_tag_destroy(sc->cmd_dmat);
757 if (sc->hdr_dmat != NULL) {
758 for (i = 0; i < IPW_NDATA; i++)
759 bus_dmamap_destroy(sc->hdr_dmat, sc->shdr_list[i].map);
760 bus_dma_tag_destroy(sc->hdr_dmat);
763 if (sc->txbuf_dmat != NULL) {
764 for (i = 0; i < IPW_NDATA; i++) {
765 bus_dmamap_destroy(sc->txbuf_dmat,
766 sc->tx_sbuf_list[i].map);
768 bus_dma_tag_destroy(sc->txbuf_dmat);
771 if (sc->rxbuf_dmat != NULL) {
772 for (i = 0; i < IPW_NRBD; i++) {
773 sbuf = &sc->rx_sbuf_list[i];
774 if (sbuf->m != NULL) {
775 bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map,
776 BUS_DMASYNC_POSTREAD);
777 bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map);
780 bus_dmamap_destroy(sc->rxbuf_dmat, sbuf->map);
782 bus_dma_tag_destroy(sc->rxbuf_dmat);
787 ipw_shutdown(device_t dev)
789 struct ipw_softc *sc = device_get_softc(dev);
797 ipw_suspend(device_t dev)
799 struct ipw_softc *sc = device_get_softc(dev);
800 struct ieee80211com *ic = &sc->sc_ic;
802 ieee80211_suspend_all(ic);
807 ipw_resume(device_t dev)
809 struct ipw_softc *sc = device_get_softc(dev);
810 struct ieee80211com *ic = &sc->sc_ic;
812 pci_write_config(dev, 0x41, 0, 1);
814 ieee80211_resume_all(ic);
819 ipw_cvtrate(int ipwrate)
822 case IPW_RATE_DS1: return 2;
823 case IPW_RATE_DS2: return 4;
824 case IPW_RATE_DS5: return 11;
825 case IPW_RATE_DS11: return 22;
831 * The firmware automatically adapts the transmit speed. We report its current
835 ipw_media_status(struct ifnet *ifp, struct ifmediareq *imr)
837 struct ieee80211vap *vap = ifp->if_softc;
838 struct ieee80211com *ic = vap->iv_ic;
839 struct ipw_softc *sc = ic->ic_softc;
841 /* read current transmission rate from adapter */
842 vap->iv_bss->ni_txrate = ipw_cvtrate(
843 ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf);
844 ieee80211_media_status(ifp, imr);
848 ipw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
850 struct ipw_vap *ivp = IPW_VAP(vap);
851 struct ieee80211com *ic = vap->iv_ic;
852 struct ipw_softc *sc = ic->ic_softc;
853 enum ieee80211_state ostate;
855 DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__,
856 ieee80211_state_name[vap->iv_state],
857 ieee80211_state_name[nstate], sc->flags));
859 ostate = vap->iv_state;
860 IEEE80211_UNLOCK(ic);
863 case IEEE80211_S_RUN:
864 if (ic->ic_opmode == IEEE80211_M_IBSS) {
866 * XXX when joining an ibss network we are called
867 * with a SCAN -> RUN transition on scan complete.
868 * Use that to call ipw_assoc. On completing the
869 * join we are then called again with an AUTH -> RUN
870 * transition and we want to do nothing. This is
871 * all totally bogus and needs to be redone.
873 if (ostate == IEEE80211_S_SCAN)
878 case IEEE80211_S_INIT:
879 if (sc->flags & IPW_FLAG_ASSOCIATED)
880 ipw_disassoc(ic, vap);
883 case IEEE80211_S_AUTH:
885 * Move to ASSOC state after the ipw_assoc() call. Firmware
886 * takes care of authentication, after the call we'll receive
887 * only an assoc response which would otherwise be discared
888 * if we are still in AUTH state.
890 nstate = IEEE80211_S_ASSOC;
894 case IEEE80211_S_ASSOC:
896 * If we are not transitioning from AUTH then resend the
897 * association request.
899 if (ostate != IEEE80211_S_AUTH)
907 return ivp->newstate(vap, nstate, arg);
911 * Read 16 bits at address 'addr' from the serial EEPROM.
914 ipw_read_prom_word(struct ipw_softc *sc, uint8_t addr)
920 /* clock C once before the first command */
921 IPW_EEPROM_CTL(sc, 0);
922 IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
923 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
924 IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
926 /* write start bit (1) */
927 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D);
928 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C);
930 /* write READ opcode (10) */
931 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D);
932 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C);
933 IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
934 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
936 /* write address A7-A0 */
937 for (n = 7; n >= 0; n--) {
938 IPW_EEPROM_CTL(sc, IPW_EEPROM_S |
939 (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D));
940 IPW_EEPROM_CTL(sc, IPW_EEPROM_S |
941 (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C);
944 IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
946 /* read data Q15-Q0 */
948 for (n = 15; n >= 0; n--) {
949 IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
950 IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
951 tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL);
952 val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n;
955 IPW_EEPROM_CTL(sc, 0);
957 /* clear Chip Select and clock C */
958 IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
959 IPW_EEPROM_CTL(sc, 0);
960 IPW_EEPROM_CTL(sc, IPW_EEPROM_C);
966 ipw_read_chanmask(struct ipw_softc *sc)
970 /* set supported .11b channels (read from EEPROM) */
971 if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0)
972 val = 0x7ff; /* default to channels 1-11 */
979 ipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf)
983 bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD);
985 cmd = mtod(sbuf->m, struct ipw_cmd *);
987 DPRINTFN(9, ("cmd ack'ed %s(%u, %u, %u, %u, %u)\n",
988 ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->type),
989 le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len),
990 le32toh(cmd->status)));
992 sc->flags &= ~IPW_FLAG_BUSY;
997 ipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf)
999 #define IEEESTATE(vap) ieee80211_state_name[vap->iv_state]
1000 struct ieee80211com *ic = &sc->sc_ic;
1001 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1004 bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD);
1006 state = le32toh(*mtod(sbuf->m, uint32_t *));
1009 case IPW_STATE_ASSOCIATED:
1010 DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n",
1011 IEEESTATE(vap), sc->flags));
1012 /* XXX suppress state change in case the fw auto-associates */
1013 if ((sc->flags & IPW_FLAG_ASSOCIATING) == 0) {
1014 DPRINTF(("Unexpected association (%s, flags 0x%x)\n",
1015 IEEESTATE(vap), sc->flags));
1018 sc->flags &= ~IPW_FLAG_ASSOCIATING;
1019 sc->flags |= IPW_FLAG_ASSOCIATED;
1022 case IPW_STATE_SCANNING:
1023 DPRINTFN(3, ("Scanning (%s flags 0x%x)\n",
1024 IEEESTATE(vap), sc->flags));
1026 * NB: Check driver state for association on assoc
1027 * loss as the firmware will immediately start to
1028 * scan and we would treat it as a beacon miss if
1029 * we checked the 802.11 layer state.
1031 if (sc->flags & IPW_FLAG_ASSOCIATED) {
1033 /* XXX probably need to issue disassoc to fw */
1034 ieee80211_beacon_miss(ic);
1039 case IPW_STATE_SCAN_COMPLETE:
1041 * XXX For some reason scan requests generate scan
1042 * started + scan done events before any traffic is
1043 * received (e.g. probe response frames). We work
1044 * around this by marking the HACK flag and skipping
1045 * the first scan complete event.
1047 DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n",
1048 IEEESTATE(vap), sc->flags));
1049 if (sc->flags & IPW_FLAG_HACK) {
1050 sc->flags &= ~IPW_FLAG_HACK;
1053 if (sc->flags & IPW_FLAG_SCANNING) {
1055 ieee80211_scan_done(vap);
1057 sc->flags &= ~IPW_FLAG_SCANNING;
1058 sc->sc_scan_timer = 0;
1062 case IPW_STATE_ASSOCIATION_LOST:
1063 DPRINTFN(2, ("Association lost (%s flags 0x%x)\n",
1064 IEEESTATE(vap), sc->flags));
1065 sc->flags &= ~(IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED);
1066 if (vap->iv_state == IEEE80211_S_RUN) {
1068 ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
1073 case IPW_STATE_DISABLED:
1074 /* XXX? is this right? */
1075 sc->flags &= ~(IPW_FLAG_HACK | IPW_FLAG_SCANNING |
1076 IPW_FLAG_ASSOCIATING | IPW_FLAG_ASSOCIATED);
1077 DPRINTFN(2, ("Firmware disabled (%s flags 0x%x)\n",
1078 IEEESTATE(vap), sc->flags));
1081 case IPW_STATE_RADIO_DISABLED:
1082 device_printf(sc->sc_dev, "radio turned off\n");
1083 ieee80211_notify_radio(ic, 0);
1084 ipw_stop_locked(sc);
1085 /* XXX start polling thread to detect radio on */
1089 DPRINTFN(2, ("%s: unhandled state %u %s flags 0x%x\n",
1090 __func__, state, IEEESTATE(vap), sc->flags));
1097 * Set driver state for current channel.
1100 ipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan)
1102 struct ieee80211com *ic = &sc->sc_ic;
1104 ic->ic_curchan = chan;
1105 ieee80211_radiotap_chan_change(ic);
1109 * XXX: Hack to set the current channel to the value advertised in beacons or
1110 * probe responses. Only used during AP detection.
1113 ipw_fix_channel(struct ipw_softc *sc, struct mbuf *m)
1115 struct ieee80211com *ic = &sc->sc_ic;
1116 struct ieee80211_channel *c;
1117 struct ieee80211_frame *wh;
1119 uint8_t *frm, *efrm;
1121 wh = mtod(m, struct ieee80211_frame *);
1123 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
1126 subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
1128 if (subtype != IEEE80211_FC0_SUBTYPE_BEACON &&
1129 subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP)
1132 /* XXX use ieee80211_parse_beacon */
1133 frm = (uint8_t *)(wh + 1);
1134 efrm = mtod(m, uint8_t *) + m->m_len;
1136 frm += 12; /* skip tstamp, bintval and capinfo fields */
1137 while (frm < efrm) {
1138 if (*frm == IEEE80211_ELEMID_DSPARMS)
1139 #if IEEE80211_CHAN_MAX < 255
1140 if (frm[2] <= IEEE80211_CHAN_MAX)
1143 DPRINTF(("Fixing channel to %d\n", frm[2]));
1144 c = ieee80211_find_channel(ic,
1145 ieee80211_ieee2mhz(frm[2], 0),
1148 c = &ic->ic_channels[0];
1149 ipw_setcurchan(sc, c);
1157 ipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status,
1158 struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf)
1160 struct ieee80211com *ic = &sc->sc_ic;
1161 struct mbuf *mnew, *m;
1162 struct ieee80211_node *ni;
1163 bus_addr_t physaddr;
1167 DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len),
1170 if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) ||
1171 le32toh(status->len) > MCLBYTES)
1175 * Try to allocate a new mbuf for this ring element and load it before
1176 * processing the current mbuf. If the ring element cannot be loaded,
1177 * drop the received packet and reuse the old mbuf. In the unlikely
1178 * case that the old mbuf can't be reloaded either, explicitly panic.
1180 mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1182 counter_u64_add(ic->ic_ierrors, 1);
1186 bus_dmamap_sync(sc->rxbuf_dmat, sbuf->map, BUS_DMASYNC_POSTREAD);
1187 bus_dmamap_unload(sc->rxbuf_dmat, sbuf->map);
1189 error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map, mtod(mnew, void *),
1190 MCLBYTES, ipw_dma_map_addr, &physaddr, 0);
1194 /* try to reload the old mbuf */
1195 error = bus_dmamap_load(sc->rxbuf_dmat, sbuf->map,
1196 mtod(sbuf->m, void *), MCLBYTES, ipw_dma_map_addr,
1199 /* very unlikely that it will fail... */
1200 panic("%s: could not load old rx mbuf",
1201 device_get_name(sc->sc_dev));
1203 counter_u64_add(ic->ic_ierrors, 1);
1208 * New mbuf successfully loaded, update Rx ring and continue
1213 sbd->bd->physaddr = htole32(physaddr);
1214 m->m_pkthdr.len = m->m_len = le32toh(status->len);
1216 rssi = status->rssi + IPW_RSSI_TO_DBM;
1218 if (ieee80211_radiotap_active(ic)) {
1219 struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap;
1222 tap->wr_antsignal = rssi;
1223 tap->wr_antnoise = nf;
1226 if (sc->flags & IPW_FLAG_SCANNING)
1227 ipw_fix_channel(sc, m);
1230 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *));
1232 (void) ieee80211_input(ni, m, rssi - nf, nf);
1233 ieee80211_free_node(ni);
1235 (void) ieee80211_input_all(ic, m, rssi - nf, nf);
1238 bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE);
1242 ipw_rx_intr(struct ipw_softc *sc)
1244 struct ipw_status *status;
1245 struct ipw_soft_bd *sbd;
1246 struct ipw_soft_buf *sbuf;
1249 if (!(sc->flags & IPW_FLAG_FW_INITED))
1252 r = CSR_READ_4(sc, IPW_CSR_RX_READ);
1254 bus_dmamap_sync(sc->status_dmat, sc->status_map, BUS_DMASYNC_POSTREAD);
1256 for (i = (sc->rxcur + 1) % IPW_NRBD; i != r; i = (i + 1) % IPW_NRBD) {
1257 status = &sc->status_list[i];
1258 sbd = &sc->srbd_list[i];
1261 switch (le16toh(status->code) & 0xf) {
1262 case IPW_STATUS_CODE_COMMAND:
1263 ipw_rx_cmd_intr(sc, sbuf);
1266 case IPW_STATUS_CODE_NEWSTATE:
1267 ipw_rx_newstate_intr(sc, sbuf);
1270 case IPW_STATUS_CODE_DATA_802_3:
1271 case IPW_STATUS_CODE_DATA_802_11:
1272 ipw_rx_data_intr(sc, status, sbd, sbuf);
1275 case IPW_STATUS_CODE_NOTIFICATION:
1276 DPRINTFN(2, ("notification status, len %u flags 0x%x\n",
1277 le32toh(status->len), status->flags));
1278 /* XXX maybe drive state machine AUTH->ASSOC? */
1282 device_printf(sc->sc_dev, "unexpected status code %u\n",
1283 le16toh(status->code));
1286 /* firmware was killed, stop processing received frames */
1287 if (!(sc->flags & IPW_FLAG_FW_INITED))
1293 bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE);
1295 /* kick the firmware */
1296 sc->rxcur = (r == 0) ? IPW_NRBD - 1 : r - 1;
1297 CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur);
1301 ipw_release_sbd(struct ipw_softc *sc, struct ipw_soft_bd *sbd)
1303 struct ipw_soft_hdr *shdr;
1304 struct ipw_soft_buf *sbuf;
1306 switch (sbd->type) {
1307 case IPW_SBD_TYPE_COMMAND:
1308 bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map,
1309 BUS_DMASYNC_POSTWRITE);
1310 bus_dmamap_unload(sc->cmd_dmat, sc->cmd_map);
1313 case IPW_SBD_TYPE_HEADER:
1315 bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_POSTWRITE);
1316 bus_dmamap_unload(sc->hdr_dmat, shdr->map);
1317 SLIST_INSERT_HEAD(&sc->free_shdr, shdr, next);
1320 case IPW_SBD_TYPE_DATA:
1322 bus_dmamap_sync(sc->txbuf_dmat, sbuf->map,
1323 BUS_DMASYNC_POSTWRITE);
1324 bus_dmamap_unload(sc->txbuf_dmat, sbuf->map);
1325 SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next);
1327 if (sbuf->m->m_flags & M_TXCB)
1328 ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/);
1330 ieee80211_free_node(sbuf->ni);
1332 sc->sc_tx_timer = 0;
1336 sbd->type = IPW_SBD_TYPE_NOASSOC;
1340 ipw_tx_intr(struct ipw_softc *sc)
1342 struct ipw_soft_bd *sbd;
1345 if (!(sc->flags & IPW_FLAG_FW_INITED))
1348 r = CSR_READ_4(sc, IPW_CSR_TX_READ);
1350 for (i = (sc->txold + 1) % IPW_NTBD; i != r; i = (i + 1) % IPW_NTBD) {
1351 sbd = &sc->stbd_list[i];
1352 ipw_release_sbd(sc, sbd);
1356 /* remember what the firmware has processed */
1357 sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1;
1363 ipw_fatal_error_intr(struct ipw_softc *sc)
1365 struct ieee80211com *ic = &sc->sc_ic;
1366 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1368 device_printf(sc->sc_dev, "firmware error\n");
1371 ieee80211_cancel_scan(vap);
1374 ieee80211_runtask(ic, &sc->sc_init_task);
1380 struct ipw_softc *sc = arg;
1385 r = CSR_READ_4(sc, IPW_CSR_INTR);
1386 if (r == 0 || r == 0xffffffff)
1389 /* disable interrupts */
1390 CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0);
1392 /* acknowledge all interrupts */
1393 CSR_WRITE_4(sc, IPW_CSR_INTR, r);
1395 if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) {
1396 ipw_fatal_error_intr(sc);
1400 if (r & IPW_INTR_FW_INIT_DONE)
1403 if (r & IPW_INTR_RX_TRANSFER)
1406 if (r & IPW_INTR_TX_TRANSFER)
1409 /* re-enable interrupts */
1410 CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK);
1416 ipw_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1421 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
1423 *(bus_addr_t *)arg = segs[0].ds_addr;
1427 ipw_cmdname(int cmd)
1429 static const struct {
1433 { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" },
1434 { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" },
1435 { IPW_CMD_DISABLE, "DISABLE" },
1436 { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" },
1437 { IPW_CMD_ENABLE, "ENABLE" },
1438 { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" },
1439 { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" },
1440 { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" },
1441 { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" },
1442 { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" },
1443 { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" },
1444 { IPW_CMD_SET_ESSID, "SET_ESSID" },
1445 { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" },
1446 { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" },
1447 { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" },
1448 { IPW_CMD_SET_MODE, "SET_MODE" },
1449 { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" },
1450 { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" },
1451 { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" },
1452 { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" },
1453 { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" },
1454 { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" },
1455 { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" },
1456 { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" },
1457 { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" },
1458 { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" },
1459 { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" },
1462 static char buf[12];
1465 for (i = 0; i < nitems(cmds); i++)
1466 if (cmds[i].cmd == cmd)
1467 return cmds[i].name;
1468 snprintf(buf, sizeof(buf), "%u", cmd);
1473 * Send a command to the firmware and wait for the acknowledgement.
1476 ipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len)
1478 struct ipw_soft_bd *sbd;
1479 bus_addr_t physaddr;
1482 IPW_LOCK_ASSERT(sc);
1484 if (sc->flags & IPW_FLAG_BUSY) {
1485 device_printf(sc->sc_dev, "%s: %s not sent, busy\n",
1486 __func__, ipw_cmdname(type));
1489 sc->flags |= IPW_FLAG_BUSY;
1491 sbd = &sc->stbd_list[sc->txcur];
1493 error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd,
1494 sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0);
1496 device_printf(sc->sc_dev, "could not map command DMA memory\n");
1497 sc->flags &= ~IPW_FLAG_BUSY;
1501 sc->cmd.type = htole32(type);
1502 sc->cmd.subtype = 0;
1503 sc->cmd.len = htole32(len);
1505 memcpy(sc->cmd.data, data, len);
1507 sbd->type = IPW_SBD_TYPE_COMMAND;
1508 sbd->bd->physaddr = htole32(physaddr);
1509 sbd->bd->len = htole32(sizeof (struct ipw_cmd));
1511 sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_COMMAND |
1512 IPW_BD_FLAG_TX_LAST_FRAGMENT;
1514 bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE);
1515 bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE);
1518 if (ipw_debug >= 4) {
1519 printf("sending %s(%u, %u, %u, %u)", ipw_cmdname(type), type,
1521 /* Print the data buffer in the higher debug level */
1522 if (ipw_debug >= 9 && len > 0) {
1523 printf(" data: 0x");
1524 for (int i = 1; i <= len; i++)
1525 printf("%1D", (u_char *)data + len - i, "");
1533 sc->txcur = (sc->txcur + 1) % IPW_NTBD;
1534 CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur);
1536 /* wait at most one second for command to complete */
1537 error = msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz);
1539 device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n",
1540 __func__, ipw_cmdname(type), error);
1541 sc->flags &= ~IPW_FLAG_BUSY;
1548 ipw_tx_start(struct ipw_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
1550 struct ieee80211com *ic = &sc->sc_ic;
1551 struct ieee80211vap *vap = ni->ni_vap;
1552 struct ieee80211_frame *wh;
1553 struct ipw_soft_bd *sbd;
1554 struct ipw_soft_hdr *shdr;
1555 struct ipw_soft_buf *sbuf;
1556 struct ieee80211_key *k;
1558 bus_dma_segment_t segs[IPW_MAX_NSEG];
1559 bus_addr_t physaddr;
1560 int nsegs, error, i;
1562 wh = mtod(m0, struct ieee80211_frame *);
1564 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
1565 k = ieee80211_crypto_encap(ni, m0);
1570 /* packet header may have moved, reset our local pointer */
1571 wh = mtod(m0, struct ieee80211_frame *);
1574 if (ieee80211_radiotap_active_vap(vap)) {
1575 struct ipw_tx_radiotap_header *tap = &sc->sc_txtap;
1579 ieee80211_radiotap_tx(vap, m0);
1582 shdr = SLIST_FIRST(&sc->free_shdr);
1583 sbuf = SLIST_FIRST(&sc->free_sbuf);
1584 KASSERT(shdr != NULL && sbuf != NULL, ("empty sw hdr/buf pool"));
1586 shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND);
1587 shdr->hdr.subtype = 0;
1588 shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) ? 1 : 0;
1589 shdr->hdr.encrypt = 0;
1590 shdr->hdr.keyidx = 0;
1591 shdr->hdr.keysz = 0;
1592 shdr->hdr.fragmentsz = 0;
1593 IEEE80211_ADDR_COPY(shdr->hdr.src_addr, wh->i_addr2);
1594 if (ic->ic_opmode == IEEE80211_M_STA)
1595 IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr3);
1597 IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1);
1599 /* trim IEEE802.11 header */
1600 m_adj(m0, sizeof (struct ieee80211_frame));
1602 error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs,
1604 if (error != 0 && error != EFBIG) {
1605 device_printf(sc->sc_dev, "could not map mbuf (error %d)\n",
1611 mnew = m_defrag(m0, M_NOWAIT);
1613 device_printf(sc->sc_dev,
1614 "could not defragment mbuf\n");
1620 error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0,
1623 device_printf(sc->sc_dev,
1624 "could not map mbuf (error %d)\n", error);
1630 error = bus_dmamap_load(sc->hdr_dmat, shdr->map, &shdr->hdr,
1631 sizeof (struct ipw_hdr), ipw_dma_map_addr, &physaddr, 0);
1633 device_printf(sc->sc_dev, "could not map header DMA memory\n");
1634 bus_dmamap_unload(sc->txbuf_dmat, sbuf->map);
1639 SLIST_REMOVE_HEAD(&sc->free_sbuf, next);
1640 SLIST_REMOVE_HEAD(&sc->free_shdr, next);
1642 sbd = &sc->stbd_list[sc->txcur];
1643 sbd->type = IPW_SBD_TYPE_HEADER;
1645 sbd->bd->physaddr = htole32(physaddr);
1646 sbd->bd->len = htole32(sizeof (struct ipw_hdr));
1647 sbd->bd->nfrag = 1 + nsegs;
1648 sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 |
1649 IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT;
1651 DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n",
1652 shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted,
1653 shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr,
1657 sc->txcur = (sc->txcur + 1) % IPW_NTBD;
1662 for (i = 0; i < nsegs; i++) {
1663 sbd = &sc->stbd_list[sc->txcur];
1665 sbd->bd->physaddr = htole32(segs[i].ds_addr);
1666 sbd->bd->len = htole32(segs[i].ds_len);
1668 sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3;
1669 if (i == nsegs - 1) {
1670 sbd->type = IPW_SBD_TYPE_DATA;
1672 sbd->bd->flags |= IPW_BD_FLAG_TX_LAST_FRAGMENT;
1674 sbd->type = IPW_SBD_TYPE_NOASSOC;
1675 sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT;
1678 DPRINTFN(5, ("sending fragment (%d)\n", i));
1681 sc->txcur = (sc->txcur + 1) % IPW_NTBD;
1684 bus_dmamap_sync(sc->hdr_dmat, shdr->map, BUS_DMASYNC_PREWRITE);
1685 bus_dmamap_sync(sc->txbuf_dmat, sbuf->map, BUS_DMASYNC_PREWRITE);
1686 bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE);
1689 CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur);
1695 ipw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
1696 const struct ieee80211_bpf_params *params)
1698 /* no support; just discard */
1700 ieee80211_free_node(ni);
1705 ipw_transmit(struct ieee80211com *ic, struct mbuf *m)
1707 struct ipw_softc *sc = ic->ic_softc;
1711 if ((sc->flags & IPW_FLAG_RUNNING) == 0) {
1715 error = mbufq_enqueue(&sc->sc_snd, m);
1726 ipw_start(struct ipw_softc *sc)
1728 struct ieee80211_node *ni;
1731 IPW_LOCK_ASSERT(sc);
1733 while (sc->txfree < 1 + IPW_MAX_NSEG &&
1734 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
1735 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1736 if (ipw_tx_start(sc, m, ni) != 0) {
1737 if_inc_counter(ni->ni_vap->iv_ifp,
1738 IFCOUNTER_OERRORS, 1);
1739 ieee80211_free_node(ni);
1742 /* start watchdog timer */
1743 sc->sc_tx_timer = 5;
1748 ipw_watchdog(void *arg)
1750 struct ipw_softc *sc = arg;
1751 struct ieee80211com *ic = &sc->sc_ic;
1753 IPW_LOCK_ASSERT(sc);
1755 if (sc->sc_tx_timer > 0) {
1756 if (--sc->sc_tx_timer == 0) {
1757 device_printf(sc->sc_dev, "device timeout\n");
1758 counter_u64_add(ic->ic_oerrors, 1);
1759 taskqueue_enqueue(taskqueue_swi, &sc->sc_init_task);
1762 if (sc->sc_scan_timer > 0) {
1763 if (--sc->sc_scan_timer == 0) {
1764 DPRINTFN(3, ("Scan timeout\n"));
1766 if (sc->flags & IPW_FLAG_SCANNING) {
1768 ieee80211_scan_done(TAILQ_FIRST(&ic->ic_vaps));
1770 sc->flags &= ~IPW_FLAG_SCANNING;
1774 if (sc->flags & IPW_FLAG_RUNNING)
1775 callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc);
1779 ipw_parent(struct ieee80211com *ic)
1781 struct ipw_softc *sc = ic->ic_softc;
1785 if (ic->ic_nrunning > 0) {
1786 if (!(sc->flags & IPW_FLAG_RUNNING)) {
1787 ipw_init_locked(sc);
1790 } else if (sc->flags & IPW_FLAG_RUNNING)
1791 ipw_stop_locked(sc);
1794 ieee80211_start_all(ic);
1798 ipw_stop_master(struct ipw_softc *sc)
1803 /* disable interrupts */
1804 CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0);
1806 CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_STOP_MASTER);
1807 for (ntries = 0; ntries < 50; ntries++) {
1808 if (CSR_READ_4(sc, IPW_CSR_RST) & IPW_RST_MASTER_DISABLED)
1813 device_printf(sc->sc_dev, "timeout waiting for master\n");
1815 tmp = CSR_READ_4(sc, IPW_CSR_RST);
1816 CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET);
1818 /* Clear all flags except the following */
1819 sc->flags &= IPW_FLAG_HAS_RADIO_SWITCH;
1823 ipw_reset(struct ipw_softc *sc)
1828 ipw_stop_master(sc);
1830 /* move adapter to D0 state */
1831 tmp = CSR_READ_4(sc, IPW_CSR_CTL);
1832 CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT);
1834 /* wait for clock stabilization */
1835 for (ntries = 0; ntries < 1000; ntries++) {
1836 if (CSR_READ_4(sc, IPW_CSR_CTL) & IPW_CTL_CLOCK_READY)
1843 tmp = CSR_READ_4(sc, IPW_CSR_RST);
1844 CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_SW_RESET);
1848 tmp = CSR_READ_4(sc, IPW_CSR_CTL);
1849 CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_INIT);
1855 ipw_waitfordisable(struct ipw_softc *sc, int waitfor)
1857 int ms = hz < 1000 ? 1 : hz/10;
1860 for (i = 0; i < 100; i++) {
1861 if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor)
1863 error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms);
1864 if (error == 0 || error != EWOULDBLOCK)
1867 DPRINTF(("%s: timeout waiting for %s\n",
1868 __func__, waitfor ? "disable" : "enable"));
1873 ipw_enable(struct ipw_softc *sc)
1877 if ((sc->flags & IPW_FLAG_ENABLED) == 0) {
1878 DPRINTF(("Enable adapter\n"));
1879 error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0);
1882 error = ipw_waitfordisable(sc, 0);
1885 sc->flags |= IPW_FLAG_ENABLED;
1891 ipw_disable(struct ipw_softc *sc)
1895 if (sc->flags & IPW_FLAG_ENABLED) {
1896 DPRINTF(("Disable adapter\n"));
1897 error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0);
1900 error = ipw_waitfordisable(sc, 1);
1903 sc->flags &= ~IPW_FLAG_ENABLED;
1909 * Upload the microcode to the device.
1912 ipw_load_ucode(struct ipw_softc *sc, const char *uc, int size)
1916 MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
1917 CSR_WRITE_4(sc, IPW_CSR_RST, 0);
1919 MEM_WRITE_2(sc, 0x220000, 0x0703);
1920 MEM_WRITE_2(sc, 0x220000, 0x0707);
1922 MEM_WRITE_1(sc, 0x210014, 0x72);
1923 MEM_WRITE_1(sc, 0x210014, 0x72);
1925 MEM_WRITE_1(sc, 0x210000, 0x40);
1926 MEM_WRITE_1(sc, 0x210000, 0x00);
1927 MEM_WRITE_1(sc, 0x210000, 0x40);
1929 MEM_WRITE_MULTI_1(sc, 0x210010, uc, size);
1931 MEM_WRITE_1(sc, 0x210000, 0x00);
1932 MEM_WRITE_1(sc, 0x210000, 0x00);
1933 MEM_WRITE_1(sc, 0x210000, 0x80);
1935 MEM_WRITE_2(sc, 0x220000, 0x0703);
1936 MEM_WRITE_2(sc, 0x220000, 0x0707);
1938 MEM_WRITE_1(sc, 0x210014, 0x72);
1939 MEM_WRITE_1(sc, 0x210014, 0x72);
1941 MEM_WRITE_1(sc, 0x210000, 0x00);
1942 MEM_WRITE_1(sc, 0x210000, 0x80);
1944 for (ntries = 0; ntries < 10; ntries++) {
1945 if (MEM_READ_1(sc, 0x210000) & 1)
1950 device_printf(sc->sc_dev,
1951 "timeout waiting for ucode to initialize\n");
1955 MEM_WRITE_4(sc, 0x3000e0, 0);
1960 /* set of macros to handle unaligned little endian data in firmware image */
1961 #define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24)
1962 #define GETLE16(p) ((p)[0] | (p)[1] << 8)
1964 ipw_load_firmware(struct ipw_softc *sc, const char *fw, int size)
1966 const uint8_t *p, *end;
1974 dst = GETLE32(p); p += 4;
1975 len = GETLE16(p); p += 2;
1977 ipw_write_mem_1(sc, dst, p, len);
1981 CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK |
1984 /* enable interrupts */
1985 CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK);
1987 /* kick the firmware */
1988 CSR_WRITE_4(sc, IPW_CSR_RST, 0);
1990 tmp = CSR_READ_4(sc, IPW_CSR_CTL);
1991 CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY);
1993 /* wait at most one second for firmware initialization to complete */
1994 if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) {
1995 device_printf(sc->sc_dev, "timeout waiting for firmware "
1996 "initialization to complete\n");
2000 tmp = CSR_READ_4(sc, IPW_CSR_IO);
2001 CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK |
2008 ipw_setwepkeys(struct ipw_softc *sc)
2010 struct ieee80211com *ic = &sc->sc_ic;
2011 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2012 struct ipw_wep_key wepkey;
2013 struct ieee80211_key *wk;
2016 for (i = 0; i < IEEE80211_WEP_NKID; i++) {
2017 wk = &vap->iv_nw_keys[i];
2019 if (wk->wk_cipher == NULL ||
2020 wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP)
2024 wepkey.len = wk->wk_keylen;
2025 memset(wepkey.key, 0, sizeof wepkey.key);
2026 memcpy(wepkey.key, wk->wk_key, wk->wk_keylen);
2027 DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx,
2029 error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey,
2038 ipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen)
2040 struct ipw_wpa_ie wpaie;
2042 memset(&wpaie, 0, sizeof(wpaie));
2043 wpaie.len = htole32(ielen);
2044 /* XXX verify length */
2045 memcpy(&wpaie.ie, ie, ielen);
2046 DPRINTF(("Setting WPA IE\n"));
2047 return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie));
2051 ipw_setbssid(struct ipw_softc *sc, uint8_t *bssid)
2053 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
2055 if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) {
2056 DPRINTF(("Setting mandatory BSSID to null\n"));
2057 return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0);
2059 DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":"));
2060 return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID,
2061 bssid, IEEE80211_ADDR_LEN);
2066 ipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen)
2070 * A bug in the firmware breaks the ``don't associate''
2071 * bit in the scan options command. To compensate for
2072 * this install a bogus ssid when no ssid is specified
2073 * so the firmware won't try to associate.
2075 DPRINTF(("Setting bogus ESSID to WAR firmware bug\n"));
2076 return ipw_cmd(sc, IPW_CMD_SET_ESSID,
2077 "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27"
2078 "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31"
2079 "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b"
2080 "\x3c\x3d", IEEE80211_NWID_LEN);
2083 if (ipw_debug > 0) {
2084 printf("Setting ESSID to ");
2085 ieee80211_print_essid(ssid, ssidlen);
2089 return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen);
2094 ipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags)
2096 struct ipw_scan_options opts;
2098 DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags));
2099 opts.channels = htole32(chanmask);
2100 opts.flags = htole32(flags);
2101 return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts));
2105 ipw_scan(struct ipw_softc *sc)
2110 DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags));
2112 if (sc->flags & IPW_FLAG_SCANNING)
2114 sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK;
2116 /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */
2117 error = ipw_setscanopts(sc, 0x3fff, IPW_SCAN_DO_NOT_ASSOCIATE);
2122 * Setup null/bogus ssid so firmware doesn't use any previous
2123 * ssid to try and associate. This is because the ``don't
2124 * associate'' option bit is broken (sigh).
2126 error = ipw_setssid(sc, NULL, 0);
2131 * NB: the adapter may be disabled on association lost;
2132 * if so just re-enable it to kick off scanning.
2134 DPRINTF(("Starting scan\n"));
2135 sc->sc_scan_timer = 3;
2136 if (sc->flags & IPW_FLAG_ENABLED) {
2137 params = 0; /* XXX? */
2138 error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN,
2139 ¶ms, sizeof(params));
2141 error = ipw_enable(sc);
2144 DPRINTF(("Scan failed\n"));
2145 sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK);
2151 ipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan)
2153 struct ieee80211com *ic = &sc->sc_ic;
2157 data = htole32(ieee80211_chan2ieee(ic, chan));
2158 DPRINTF(("Setting channel to %u\n", le32toh(data)));
2159 error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data);
2161 ipw_setcurchan(sc, chan);
2166 ipw_assoc(struct ieee80211com *ic, struct ieee80211vap *vap)
2168 struct ipw_softc *sc = ic->ic_softc;
2169 struct ieee80211_node *ni = vap->iv_bss;
2170 struct ipw_security security;
2175 error = ipw_disable(sc);
2179 memset(&security, 0, sizeof security);
2180 security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ?
2181 IPW_AUTH_SHARED : IPW_AUTH_OPEN;
2182 security.ciphers = htole32(IPW_CIPHER_NONE);
2183 DPRINTF(("Setting authmode to %u\n", security.authmode));
2184 error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security,
2189 data = htole32(vap->iv_rtsthreshold);
2190 DPRINTF(("Setting RTS threshold to %u\n", le32toh(data)));
2191 error = ipw_cmd(sc, IPW_CMD_SET_RTS_THRESHOLD, &data, sizeof data);
2195 data = htole32(vap->iv_fragthreshold);
2196 DPRINTF(("Setting frag threshold to %u\n", le32toh(data)));
2197 error = ipw_cmd(sc, IPW_CMD_SET_FRAG_THRESHOLD, &data, sizeof data);
2201 if (vap->iv_flags & IEEE80211_F_PRIVACY) {
2202 error = ipw_setwepkeys(sc);
2206 if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE) {
2207 data = htole32(vap->iv_def_txkey);
2208 DPRINTF(("Setting wep tx key index to %u\n",
2210 error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data,
2217 data = htole32((vap->iv_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0);
2218 DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data)));
2219 error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data);
2223 error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen);
2227 error = ipw_setbssid(sc, ni->ni_bssid);
2231 if (vap->iv_appie_wpa != NULL) {
2232 struct ieee80211_appie *ie = vap->iv_appie_wpa;
2233 error = ipw_setwpaie(sc, ie->ie_data, ie->ie_len);
2237 if (ic->ic_opmode == IEEE80211_M_IBSS) {
2238 error = ipw_setchannel(sc, ni->ni_chan);
2243 /* lock scan to ap's channel and enable associate */
2244 error = ipw_setscanopts(sc,
2245 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0);
2249 error = ipw_enable(sc); /* finally, enable adapter */
2251 sc->flags |= IPW_FLAG_ASSOCIATING;
2257 ipw_disassoc(struct ieee80211com *ic, struct ieee80211vap *vap)
2259 struct ieee80211_node *ni = vap->iv_bss;
2260 struct ipw_softc *sc = ic->ic_softc;
2263 DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":"));
2265 * NB: don't try to do this if ipw_stop_master has
2266 * shutdown the firmware and disabled interrupts.
2268 if (sc->flags & IPW_FLAG_FW_INITED) {
2269 sc->flags &= ~IPW_FLAG_ASSOCIATED;
2271 * NB: firmware currently ignores bssid parameter, but
2272 * supply it in case this changes (follow linux driver).
2274 (void) ipw_cmd(sc, IPW_CMD_DISASSOCIATE,
2275 ni->ni_bssid, IEEE80211_ADDR_LEN);
2281 * Handler for sc_init_task. This is a simple wrapper around ipw_init().
2282 * It is called on firmware panics or on watchdog timeouts.
2285 ipw_init_task(void *context, int pending)
2291 ipw_init(void *priv)
2293 struct ipw_softc *sc = priv;
2294 struct ieee80211com *ic = &sc->sc_ic;
2297 ipw_init_locked(sc);
2300 if (sc->flags & IPW_FLAG_RUNNING)
2301 ieee80211_start_all(ic); /* start all vap's */
2305 ipw_init_locked(struct ipw_softc *sc)
2307 struct ieee80211com *ic = &sc->sc_ic;
2308 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2309 const struct firmware *fp;
2310 const struct ipw_firmware_hdr *hdr;
2313 IPW_LOCK_ASSERT(sc);
2315 DPRINTF(("%s: state %s flags 0x%x\n", __func__,
2316 ieee80211_state_name[vap->iv_state], sc->flags));
2319 * Avoid re-entrant calls. We need to release the mutex in ipw_init()
2320 * when loading the firmware and we don't want to be called during this
2323 if (sc->flags & IPW_FLAG_INIT_LOCKED)
2325 sc->flags |= IPW_FLAG_INIT_LOCKED;
2327 ipw_stop_locked(sc);
2329 if (ipw_reset(sc) != 0) {
2330 device_printf(sc->sc_dev, "could not reset adapter\n");
2334 if (sc->sc_firmware == NULL) {
2335 device_printf(sc->sc_dev, "no firmware\n");
2338 /* NB: consistency already checked on load */
2339 fp = sc->sc_firmware;
2340 hdr = (const struct ipw_firmware_hdr *)fp->data;
2342 DPRINTF(("Loading firmware image '%s'\n", fp->name));
2343 fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz);
2344 if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) {
2345 device_printf(sc->sc_dev, "could not load microcode\n");
2349 ipw_stop_master(sc);
2352 * Setup tx, rx and status rings.
2354 sc->txold = IPW_NTBD - 1;
2356 sc->txfree = IPW_NTBD - 2;
2357 sc->rxcur = IPW_NRBD - 1;
2359 CSR_WRITE_4(sc, IPW_CSR_TX_BASE, sc->tbd_phys);
2360 CSR_WRITE_4(sc, IPW_CSR_TX_SIZE, IPW_NTBD);
2361 CSR_WRITE_4(sc, IPW_CSR_TX_READ, 0);
2362 CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur);
2364 CSR_WRITE_4(sc, IPW_CSR_RX_BASE, sc->rbd_phys);
2365 CSR_WRITE_4(sc, IPW_CSR_RX_SIZE, IPW_NRBD);
2366 CSR_WRITE_4(sc, IPW_CSR_RX_READ, 0);
2367 CSR_WRITE_4(sc, IPW_CSR_RX_WRITE, sc->rxcur);
2369 CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys);
2371 fw = (const char *)fp->data + sizeof *hdr;
2372 if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) {
2373 device_printf(sc->sc_dev, "could not load firmware\n");
2377 sc->flags |= IPW_FLAG_FW_INITED;
2379 /* retrieve information tables base addresses */
2380 sc->table1_base = CSR_READ_4(sc, IPW_CSR_TABLE1_BASE);
2381 sc->table2_base = CSR_READ_4(sc, IPW_CSR_TABLE2_BASE);
2383 ipw_write_table1(sc, IPW_INFO_LOCK, 0);
2385 if (ipw_config(sc) != 0) {
2386 device_printf(sc->sc_dev, "device configuration failed\n");
2390 callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc);
2391 sc->flags |= IPW_FLAG_RUNNING;
2392 sc->flags &= ~IPW_FLAG_INIT_LOCKED;
2396 ipw_stop_locked(sc);
2397 sc->flags &= ~IPW_FLAG_INIT_LOCKED;
2401 ipw_config(struct ipw_softc *sc)
2403 struct ieee80211com *ic = &sc->sc_ic;
2404 struct ipw_configuration config;
2408 error = ipw_disable(sc);
2412 switch (ic->ic_opmode) {
2413 case IEEE80211_M_STA:
2414 case IEEE80211_M_HOSTAP:
2415 case IEEE80211_M_WDS: /* XXX */
2416 data = htole32(IPW_MODE_BSS);
2418 case IEEE80211_M_IBSS:
2419 case IEEE80211_M_AHDEMO:
2420 data = htole32(IPW_MODE_IBSS);
2422 case IEEE80211_M_MONITOR:
2423 data = htole32(IPW_MODE_MONITOR);
2426 device_printf(sc->sc_dev, "unknown opmode %d\n", ic->ic_opmode);
2429 DPRINTF(("Setting mode to %u\n", le32toh(data)));
2430 error = ipw_cmd(sc, IPW_CMD_SET_MODE, &data, sizeof data);
2434 if (ic->ic_opmode == IEEE80211_M_IBSS ||
2435 ic->ic_opmode == IEEE80211_M_MONITOR) {
2436 error = ipw_setchannel(sc, ic->ic_curchan);
2441 if (ic->ic_opmode == IEEE80211_M_MONITOR)
2442 return ipw_enable(sc);
2444 config.flags = htole32(IPW_CFG_BSS_MASK | IPW_CFG_IBSS_MASK |
2445 IPW_CFG_PREAMBLE_AUTO | IPW_CFG_802_1x_ENABLE);
2446 if (ic->ic_opmode == IEEE80211_M_IBSS)
2447 config.flags |= htole32(IPW_CFG_IBSS_AUTO_START);
2448 if (ic->ic_promisc > 0)
2449 config.flags |= htole32(IPW_CFG_PROMISCUOUS);
2450 config.bss_chan = htole32(0x3fff); /* channels 1-14 */
2451 config.ibss_chan = htole32(0x7ff); /* channels 1-11 */
2452 DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags)));
2453 error = ipw_cmd(sc, IPW_CMD_SET_CONFIGURATION, &config, sizeof config);
2457 data = htole32(0xf); /* 1, 2, 5.5, 11 */
2458 DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data)));
2459 error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data);
2463 /* Use the same rate set */
2464 DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data)));
2465 error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data);
2469 /* Use the same rate set */
2470 DPRINTF(("Setting tx rates to 0x%x\n", le32toh(data)));
2471 error = ipw_cmd(sc, IPW_CMD_SET_TX_RATES, &data, sizeof data);
2475 data = htole32(IPW_POWER_MODE_CAM);
2476 DPRINTF(("Setting power mode to %u\n", le32toh(data)));
2477 error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data);
2481 if (ic->ic_opmode == IEEE80211_M_IBSS) {
2482 data = htole32(32); /* default value */
2483 DPRINTF(("Setting tx power index to %u\n", le32toh(data)));
2484 error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data,
2494 ipw_stop(void *priv)
2496 struct ipw_softc *sc = priv;
2499 ipw_stop_locked(sc);
2504 ipw_stop_locked(struct ipw_softc *sc)
2508 IPW_LOCK_ASSERT(sc);
2510 callout_stop(&sc->sc_wdtimer);
2511 ipw_stop_master(sc);
2513 CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET);
2516 * Release tx buffers.
2518 for (i = 0; i < IPW_NTBD; i++)
2519 ipw_release_sbd(sc, &sc->stbd_list[i]);
2521 sc->sc_tx_timer = 0;
2522 sc->flags &= ~IPW_FLAG_RUNNING;
2526 ipw_sysctl_stats(SYSCTL_HANDLER_ARGS)
2528 struct ipw_softc *sc = arg1;
2529 uint32_t i, size, buf[256];
2531 memset(buf, 0, sizeof buf);
2533 if (!(sc->flags & IPW_FLAG_FW_INITED))
2534 return SYSCTL_OUT(req, buf, sizeof buf);
2536 CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base);
2538 size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256);
2539 for (i = 1; i < size; i++)
2540 buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA));
2542 return SYSCTL_OUT(req, buf, size);
2546 ipw_sysctl_radio(SYSCTL_HANDLER_ARGS)
2548 struct ipw_softc *sc = arg1;
2551 val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) &&
2552 (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED));
2554 return SYSCTL_OUT(req, &val, sizeof val);
2558 ipw_read_table1(struct ipw_softc *sc, uint32_t off)
2560 return MEM_READ_4(sc, MEM_READ_4(sc, sc->table1_base + off));
2564 ipw_write_table1(struct ipw_softc *sc, uint32_t off, uint32_t info)
2566 MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info);
2571 ipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len)
2573 uint32_t addr, info;
2574 uint16_t count, size;
2577 /* addr[4] + count[2] + size[2] */
2578 addr = MEM_READ_4(sc, sc->table2_base + off);
2579 info = MEM_READ_4(sc, sc->table2_base + off + 4);
2582 size = info & 0xffff;
2583 total = count * size;
2591 ipw_read_mem_1(sc, addr, buf, total);
2597 ipw_read_mem_1(struct ipw_softc *sc, bus_size_t offset, uint8_t *datap,
2600 for (; count > 0; offset++, datap++, count--) {
2601 CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3);
2602 *datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3));
2608 ipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap,
2611 for (; count > 0; offset++, datap++, count--) {
2612 CSR_WRITE_4(sc, IPW_CSR_INDIRECT_ADDR, offset & ~3);
2613 CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap);
2618 ipw_scan_start(struct ieee80211com *ic)
2620 struct ipw_softc *sc = ic->ic_softc;
2628 ipw_getradiocaps(struct ieee80211com *ic,
2629 int maxchans, int *nchans, struct ieee80211_channel chans[])
2631 struct ipw_softc *sc = ic->ic_softc;
2632 uint8_t bands[IEEE80211_MODE_BYTES];
2635 memset(bands, 0, sizeof(bands));
2636 setbit(bands, IEEE80211_MODE_11B);
2638 for (i = 1; i < 16; i++) {
2639 if (sc->chanmask & (1 << i)) {
2640 ieee80211_add_channel(chans, maxchans, nchans,
2648 ipw_set_channel(struct ieee80211com *ic)
2650 struct ipw_softc *sc = ic->ic_softc;
2653 if (ic->ic_opmode == IEEE80211_M_MONITOR) {
2655 ipw_setchannel(sc, ic->ic_curchan);
2662 ipw_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
2664 /* NB: all channels are scanned at once */
2668 ipw_scan_mindwell(struct ieee80211_scan_state *ss)
2670 /* NB: don't try to abort scan; wait for firmware to finish */
2674 ipw_scan_end(struct ieee80211com *ic)
2676 struct ipw_softc *sc = ic->ic_softc;
2679 sc->flags &= ~IPW_FLAG_SCANNING;