Annotation of sys/dev/usb/if_zyd.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_zyd.c,v 1.58 2007/06/14 10:11:15 mbalmer Exp $ */
2:
3: /*-
4: * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr>
5: * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de>
6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: /*
21: * ZyDAS ZD1211/ZD1211B USB WLAN driver.
22: */
23:
24: #include "bpfilter.h"
25:
26: #include <sys/param.h>
27: #include <sys/sockio.h>
28: #include <sys/proc.h>
29: #include <sys/mbuf.h>
30: #include <sys/kernel.h>
31: #include <sys/socket.h>
32: #include <sys/systm.h>
33: #include <sys/malloc.h>
34: #include <sys/timeout.h>
35: #include <sys/conf.h>
36: #include <sys/device.h>
37:
38: #include <machine/bus.h>
39: #include <machine/endian.h>
40:
41: #if NBPFILTER > 0
42: #include <net/bpf.h>
43: #endif
44: #include <net/if.h>
45: #include <net/if_arp.h>
46: #include <net/if_dl.h>
47: #include <net/if_media.h>
48: #include <net/if_types.h>
49:
50: #ifdef INET
51: #include <netinet/in.h>
52: #include <netinet/in_systm.h>
53: #include <netinet/in_var.h>
54: #include <netinet/if_ether.h>
55: #include <netinet/ip.h>
56: #endif
57:
58: #include <net80211/ieee80211_var.h>
59: #include <net80211/ieee80211_amrr.h>
60: #include <net80211/ieee80211_radiotap.h>
61:
62: #include <dev/usb/usb.h>
63: #include <dev/usb/usbdi.h>
64: #include <dev/usb/usbdi_util.h>
65: #include <dev/usb/usbdevs.h>
66:
67: #include <dev/usb/if_zydreg.h>
68:
69: #ifdef USB_DEBUG
70: #define ZYD_DEBUG
71: #endif
72:
73: #ifdef ZYD_DEBUG
74: #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0)
75: #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0)
76: int zyddebug = 0;
77: #else
78: #define DPRINTF(x)
79: #define DPRINTFN(n, x)
80: #endif
81:
82: static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY;
83: static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB;
84:
85: /* various supported device vendors/products */
86: #define ZYD_ZD1211_DEV(v, p) \
87: { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 }
88: #define ZYD_ZD1211B_DEV(v, p) \
89: { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B }
90: static const struct zyd_type {
91: struct usb_devno dev;
92: uint8_t rev;
93: #define ZYD_ZD1211 0
94: #define ZYD_ZD1211B 1
95: } zyd_devs[] = {
96: ZYD_ZD1211_DEV(3COM2, 3CRUSB10075),
97: ZYD_ZD1211_DEV(ABOCOM, WL54),
98: ZYD_ZD1211_DEV(ASUS, WL159G),
99: ZYD_ZD1211_DEV(CYBERTAN, TG54USB),
100: ZYD_ZD1211_DEV(DRAYTEK, VIGOR550),
101: ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL),
102: ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI),
103: ZYD_ZD1211_DEV(SAGEM, XG760A),
104: ZYD_ZD1211_DEV(SENAO, NUB8301),
105: ZYD_ZD1211_DEV(SITECOMEU, WL113),
106: ZYD_ZD1211_DEV(SWEEX, ZD1211),
107: ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN),
108: ZYD_ZD1211_DEV(TEKRAM, ZD1211_1),
109: ZYD_ZD1211_DEV(TEKRAM, ZD1211_2),
110: ZYD_ZD1211_DEV(TWINMOS, G240),
111: ZYD_ZD1211_DEV(UMEDIA, ALL0298V2),
112: ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A),
113: ZYD_ZD1211_DEV(UMEDIA, TEW429UB),
114: ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G),
115: ZYD_ZD1211_DEV(ZCOM, ZD1211),
116: ZYD_ZD1211_DEV(ZYDAS, ZD1211),
117: ZYD_ZD1211_DEV(ZYXEL, AG225H),
118: ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220),
119:
120: ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG),
121: ZYD_ZD1211B_DEV(ACCTON, ZD1211B),
122: ZYD_ZD1211B_DEV(ASUS, A9T_WIFI),
123: ZYD_ZD1211B_DEV(BELKIN, F5D7050C),
124: ZYD_ZD1211B_DEV(BELKIN, ZD1211B),
125: ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G),
126: ZYD_ZD1211B_DEV(FIBERLINE, WL430U),
127: ZYD_ZD1211B_DEV(MELCO, KG54L),
128: ZYD_ZD1211B_DEV(PHILIPS, SNU5600),
129: ZYD_ZD1211B_DEV(SAGEM, XG76NA),
130: ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B),
131: ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1),
132: ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1),
133: ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2),
134: ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B),
135: ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B),
136: ZYD_ZD1211B_DEV(USR, USR5423),
137: ZYD_ZD1211B_DEV(VTECH, ZD1211B),
138: ZYD_ZD1211B_DEV(ZCOM, ZD1211B),
139: ZYD_ZD1211B_DEV(ZYDAS, ZD1211B),
140: ZYD_ZD1211B_DEV(ZYXEL, M202),
141: ZYD_ZD1211B_DEV(ZYXEL, G220V2),
142: };
143: #define zyd_lookup(v, p) \
144: ((const struct zyd_type *)usb_lookup(zyd_devs, v, p))
145:
146: int zyd_match(struct device *, void *, void *);
147: void zyd_attach(struct device *, struct device *, void *);
148: int zyd_detach(struct device *, int);
149: int zyd_activate(struct device *, enum devact);
150:
151: struct cfdriver zyd_cd = {
152: NULL, "zyd", DV_IFNET
153: };
154:
155: const struct cfattach zyd_ca = {
156: sizeof(struct zyd_softc),
157: zyd_match,
158: zyd_attach,
159: zyd_detach,
160: zyd_activate,
161: };
162:
163: void zyd_attachhook(void *);
164: int zyd_complete_attach(struct zyd_softc *);
165: int zyd_open_pipes(struct zyd_softc *);
166: void zyd_close_pipes(struct zyd_softc *);
167: int zyd_alloc_tx_list(struct zyd_softc *);
168: void zyd_free_tx_list(struct zyd_softc *);
169: int zyd_alloc_rx_list(struct zyd_softc *);
170: void zyd_free_rx_list(struct zyd_softc *);
171: struct ieee80211_node *zyd_node_alloc(struct ieee80211com *);
172: int zyd_media_change(struct ifnet *);
173: void zyd_next_scan(void *);
174: void zyd_task(void *);
175: int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int);
176: int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int,
177: void *, int, u_int);
178: int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *);
179: int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *);
180: int zyd_write16(struct zyd_softc *, uint16_t, uint16_t);
181: int zyd_write32(struct zyd_softc *, uint16_t, uint32_t);
182: int zyd_rfwrite(struct zyd_softc *, uint32_t);
183: void zyd_lock_phy(struct zyd_softc *);
184: void zyd_unlock_phy(struct zyd_softc *);
185: int zyd_rfmd_init(struct zyd_rf *);
186: int zyd_rfmd_switch_radio(struct zyd_rf *, int);
187: int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t);
188: int zyd_al2230_init(struct zyd_rf *);
189: int zyd_al2230_switch_radio(struct zyd_rf *, int);
190: int zyd_al2230_set_channel(struct zyd_rf *, uint8_t);
191: int zyd_al2230_init_b(struct zyd_rf *);
192: int zyd_al7230B_init(struct zyd_rf *);
193: int zyd_al7230B_switch_radio(struct zyd_rf *, int);
194: int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t);
195: int zyd_al2210_init(struct zyd_rf *);
196: int zyd_al2210_switch_radio(struct zyd_rf *, int);
197: int zyd_al2210_set_channel(struct zyd_rf *, uint8_t);
198: int zyd_gct_init(struct zyd_rf *);
199: int zyd_gct_switch_radio(struct zyd_rf *, int);
200: int zyd_gct_set_channel(struct zyd_rf *, uint8_t);
201: int zyd_maxim_init(struct zyd_rf *);
202: int zyd_maxim_switch_radio(struct zyd_rf *, int);
203: int zyd_maxim_set_channel(struct zyd_rf *, uint8_t);
204: int zyd_maxim2_init(struct zyd_rf *);
205: int zyd_maxim2_switch_radio(struct zyd_rf *, int);
206: int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t);
207: int zyd_rf_attach(struct zyd_softc *, uint8_t);
208: const char *zyd_rf_name(uint8_t);
209: int zyd_hw_init(struct zyd_softc *);
210: int zyd_read_eeprom(struct zyd_softc *);
211: int zyd_set_macaddr(struct zyd_softc *, const uint8_t *);
212: int zyd_set_bssid(struct zyd_softc *, const uint8_t *);
213: int zyd_switch_radio(struct zyd_softc *, int);
214: void zyd_set_led(struct zyd_softc *, int, int);
215: int zyd_set_rxfilter(struct zyd_softc *);
216: void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *);
217: int zyd_set_beacon_interval(struct zyd_softc *, int);
218: uint8_t zyd_plcp_signal(int);
219: void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
220: void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t);
221: void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
222: void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
223: int zyd_tx_data(struct zyd_softc *, struct mbuf *,
224: struct ieee80211_node *);
225: void zyd_start(struct ifnet *);
226: void zyd_watchdog(struct ifnet *);
227: int zyd_ioctl(struct ifnet *, u_long, caddr_t);
228: int zyd_init(struct ifnet *);
229: void zyd_stop(struct ifnet *, int);
230: int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t);
231: void zyd_iter_func(void *, struct ieee80211_node *);
232: void zyd_amrr_timeout(void *);
233: void zyd_newassoc(struct ieee80211com *, struct ieee80211_node *,
234: int);
235:
236: int
237: zyd_match(struct device *parent, void *match, void *aux)
238: {
239: struct usb_attach_arg *uaa = aux;
240:
241: if (!uaa->iface)
242: return UMATCH_NONE;
243:
244: return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ?
245: UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
246: }
247:
248: void
249: zyd_attachhook(void *xsc)
250: {
251: struct zyd_softc *sc = xsc;
252: const char *fwname;
253: u_char *fw;
254: size_t size;
255: int error;
256:
257: fwname = (sc->mac_rev == ZYD_ZD1211) ? "zd1211" : "zd1211b";
258: if ((error = loadfirmware(fwname, &fw, &size)) != 0) {
259: printf("%s: could not read firmware file %s (error=%d)\n",
260: sc->sc_dev.dv_xname, fwname, error);
261: return;
262: }
263:
264: error = zyd_loadfirmware(sc, fw, size);
265: free(fw, M_DEVBUF);
266: if (error != 0) {
267: printf("%s: could not load firmware (error=%d)\n",
268: sc->sc_dev.dv_xname, error);
269: return;
270: }
271:
272: /* complete the attach process */
273: if (zyd_complete_attach(sc) == 0)
274: sc->attached = 1;
275: }
276:
277: void
278: zyd_attach(struct device *parent, struct device *self, void *aux)
279: {
280: struct zyd_softc *sc = (struct zyd_softc *)self;
281: struct usb_attach_arg *uaa = aux;
282: char *devinfop;
283: usb_device_descriptor_t* ddesc;
284:
285: sc->sc_udev = uaa->device;
286:
287: devinfop = usbd_devinfo_alloc(sc->sc_udev, 0);
288: printf("\n%s: %s\n", sc->sc_dev.dv_xname, devinfop);
289: usbd_devinfo_free(devinfop);
290:
291: sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev;
292:
293: ddesc = usbd_get_device_descriptor(sc->sc_udev);
294: if (UGETW(ddesc->bcdDevice) < 0x4330) {
295: printf("%s: device version mismatch: 0x%x "
296: "(only >= 43.30 supported)\n", sc->sc_dev.dv_xname,
297: UGETW(ddesc->bcdDevice));
298: return;
299: }
300:
301: if (rootvp == NULL)
302: mountroothook_establish(zyd_attachhook, sc);
303: else
304: zyd_attachhook(sc);
305: }
306:
307: int
308: zyd_complete_attach(struct zyd_softc *sc)
309: {
310: struct ieee80211com *ic = &sc->sc_ic;
311: struct ifnet *ifp = &ic->ic_if;
312: usbd_status error;
313: int i;
314:
315: usb_init_task(&sc->sc_task, zyd_task, sc);
316: timeout_set(&sc->scan_to, zyd_next_scan, sc);
317:
318: sc->amrr.amrr_min_success_threshold = 1;
319: sc->amrr.amrr_max_success_threshold = 10;
320: timeout_set(&sc->amrr_to, zyd_amrr_timeout, sc);
321:
322: error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1);
323: if (error != 0) {
324: printf("%s: setting config no failed\n",
325: sc->sc_dev.dv_xname);
326: goto fail;
327: }
328:
329: error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX,
330: &sc->sc_iface);
331: if (error != 0) {
332: printf("%s: getting interface handle failed\n",
333: sc->sc_dev.dv_xname);
334: goto fail;
335: }
336:
337: if ((error = zyd_open_pipes(sc)) != 0) {
338: printf("%s: could not open pipes\n", sc->sc_dev.dv_xname);
339: goto fail;
340: }
341:
342: if ((error = zyd_read_eeprom(sc)) != 0) {
343: printf("%s: could not read EEPROM\n", sc->sc_dev.dv_xname);
344: goto fail;
345: }
346:
347: if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) {
348: printf("%s: could not attach RF\n", sc->sc_dev.dv_xname);
349: goto fail;
350: }
351:
352: if ((error = zyd_hw_init(sc)) != 0) {
353: printf("%s: hardware initialization failed\n",
354: sc->sc_dev.dv_xname);
355: goto fail;
356: }
357:
358: printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n",
359: sc->sc_dev.dv_xname, (sc->mac_rev == ZYD_ZD1211) ? "": "B",
360: sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev),
361: sc->pa_rev, ether_sprintf(ic->ic_myaddr));
362:
363: ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
364: ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
365: ic->ic_state = IEEE80211_S_INIT;
366:
367: /* set device capabilities */
368: ic->ic_caps =
369: IEEE80211_C_MONITOR | /* monitor mode supported */
370: IEEE80211_C_TXPMGT | /* tx power management */
371: IEEE80211_C_SHPREAMBLE | /* short preamble supported */
372: IEEE80211_C_WEP; /* s/w WEP */
373:
374: /* set supported .11b and .11g rates */
375: ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;
376: ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g;
377:
378: /* set supported .11b and .11g channels (1 through 14) */
379: for (i = 1; i <= 14; i++) {
380: ic->ic_channels[i].ic_freq =
381: ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
382: ic->ic_channels[i].ic_flags =
383: IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
384: IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
385: }
386:
387: ifp->if_softc = sc;
388: ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
389: ifp->if_init = zyd_init;
390: ifp->if_ioctl = zyd_ioctl;
391: ifp->if_start = zyd_start;
392: ifp->if_watchdog = zyd_watchdog;
393: IFQ_SET_READY(&ifp->if_snd);
394: memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
395:
396: if_attach(ifp);
397: ieee80211_ifattach(ifp);
398: ic->ic_node_alloc = zyd_node_alloc;
399: ic->ic_newassoc = zyd_newassoc;
400:
401: /* override state transition machine */
402: sc->sc_newstate = ic->ic_newstate;
403: ic->ic_newstate = zyd_newstate;
404: ieee80211_media_init(ifp, zyd_media_change, ieee80211_media_status);
405:
406: #if NBPFILTER > 0
407: bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO,
408: sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN);
409:
410: sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
411: sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
412: sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT);
413:
414: sc->sc_txtap_len = sizeof sc->sc_txtapu;
415: sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
416: sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT);
417: #endif
418:
419: usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
420: &sc->sc_dev);
421:
422: fail: return error;
423: }
424:
425: int
426: zyd_detach(struct device *self, int flags)
427: {
428: struct zyd_softc *sc = (struct zyd_softc *)self;
429: struct ifnet *ifp = &sc->sc_ic.ic_if;
430: int s;
431:
432: s = splusb();
433:
434: usb_rem_task(sc->sc_udev, &sc->sc_task);
435: timeout_del(&sc->scan_to);
436: timeout_del(&sc->amrr_to);
437:
438: zyd_close_pipes(sc);
439:
440: if (!sc->attached) {
441: splx(s);
442: return 0;
443: }
444:
445: ieee80211_ifdetach(ifp);
446: if_detach(ifp);
447:
448: zyd_free_rx_list(sc);
449: zyd_free_tx_list(sc);
450:
451: sc->attached = 0;
452:
453: splx(s);
454:
455: usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
456: &sc->sc_dev);
457:
458: return 0;
459: }
460:
461: int
462: zyd_open_pipes(struct zyd_softc *sc)
463: {
464: usb_endpoint_descriptor_t *edesc;
465: int isize;
466: usbd_status error;
467:
468: /* interrupt in */
469: edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83);
470: if (edesc == NULL)
471: return EINVAL;
472:
473: isize = UGETW(edesc->wMaxPacketSize);
474: if (isize == 0) /* should not happen */
475: return EINVAL;
476:
477: sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT);
478: if (sc->ibuf == NULL)
479: return ENOMEM;
480:
481: error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK,
482: &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr,
483: USBD_DEFAULT_INTERVAL);
484: if (error != 0) {
485: printf("%s: open rx intr pipe failed: %s\n",
486: sc->sc_dev.dv_xname, usbd_errstr(error));
487: goto fail;
488: }
489:
490: /* interrupt out (not necessarily an interrupt pipe) */
491: error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE,
492: &sc->zyd_ep[ZYD_ENDPT_IOUT]);
493: if (error != 0) {
494: printf("%s: open tx intr pipe failed: %s\n",
495: sc->sc_dev.dv_xname, usbd_errstr(error));
496: goto fail;
497: }
498:
499: /* bulk in */
500: error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE,
501: &sc->zyd_ep[ZYD_ENDPT_BIN]);
502: if (error != 0) {
503: printf("%s: open rx pipe failed: %s\n",
504: sc->sc_dev.dv_xname, usbd_errstr(error));
505: goto fail;
506: }
507:
508: /* bulk out */
509: error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE,
510: &sc->zyd_ep[ZYD_ENDPT_BOUT]);
511: if (error != 0) {
512: printf("%s: open tx pipe failed: %s\n",
513: sc->sc_dev.dv_xname, usbd_errstr(error));
514: goto fail;
515: }
516:
517: return 0;
518:
519: fail: zyd_close_pipes(sc);
520: return error;
521: }
522:
523: void
524: zyd_close_pipes(struct zyd_softc *sc)
525: {
526: int i;
527:
528: for (i = 0; i < ZYD_ENDPT_CNT; i++) {
529: if (sc->zyd_ep[i] != NULL) {
530: usbd_abort_pipe(sc->zyd_ep[i]);
531: usbd_close_pipe(sc->zyd_ep[i]);
532: sc->zyd_ep[i] = NULL;
533: }
534: }
535: if (sc->ibuf != NULL) {
536: free(sc->ibuf, M_USBDEV);
537: sc->ibuf = NULL;
538: }
539: }
540:
541: int
542: zyd_alloc_tx_list(struct zyd_softc *sc)
543: {
544: int i, error;
545:
546: sc->tx_queued = 0;
547:
548: for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
549: struct zyd_tx_data *data = &sc->tx_data[i];
550:
551: data->sc = sc; /* backpointer for callbacks */
552:
553: data->xfer = usbd_alloc_xfer(sc->sc_udev);
554: if (data->xfer == NULL) {
555: printf("%s: could not allocate tx xfer\n",
556: sc->sc_dev.dv_xname);
557: error = ENOMEM;
558: goto fail;
559: }
560: data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ);
561: if (data->buf == NULL) {
562: printf("%s: could not allocate tx buffer\n",
563: sc->sc_dev.dv_xname);
564: error = ENOMEM;
565: goto fail;
566: }
567:
568: /* clear Tx descriptor */
569: bzero(data->buf, sizeof (struct zyd_tx_desc));
570: }
571: return 0;
572:
573: fail: zyd_free_tx_list(sc);
574: return error;
575: }
576:
577: void
578: zyd_free_tx_list(struct zyd_softc *sc)
579: {
580: struct ieee80211com *ic = &sc->sc_ic;
581: int i;
582:
583: for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
584: struct zyd_tx_data *data = &sc->tx_data[i];
585:
586: if (data->xfer != NULL) {
587: usbd_free_xfer(data->xfer);
588: data->xfer = NULL;
589: }
590: if (data->ni != NULL) {
591: ieee80211_release_node(ic, data->ni);
592: data->ni = NULL;
593: }
594: }
595: }
596:
597: int
598: zyd_alloc_rx_list(struct zyd_softc *sc)
599: {
600: int i, error;
601:
602: for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
603: struct zyd_rx_data *data = &sc->rx_data[i];
604:
605: data->sc = sc; /* backpointer for callbacks */
606:
607: data->xfer = usbd_alloc_xfer(sc->sc_udev);
608: if (data->xfer == NULL) {
609: printf("%s: could not allocate rx xfer\n",
610: sc->sc_dev.dv_xname);
611: error = ENOMEM;
612: goto fail;
613: }
614: data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ);
615: if (data->buf == NULL) {
616: printf("%s: could not allocate rx buffer\n",
617: sc->sc_dev.dv_xname);
618: error = ENOMEM;
619: goto fail;
620: }
621: }
622: return 0;
623:
624: fail: zyd_free_rx_list(sc);
625: return error;
626: }
627:
628: void
629: zyd_free_rx_list(struct zyd_softc *sc)
630: {
631: int i;
632:
633: for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
634: struct zyd_rx_data *data = &sc->rx_data[i];
635:
636: if (data->xfer != NULL) {
637: usbd_free_xfer(data->xfer);
638: data->xfer = NULL;
639: }
640: }
641: }
642:
643: struct ieee80211_node *
644: zyd_node_alloc(struct ieee80211com *ic)
645: {
646: struct zyd_node *zn;
647:
648: zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT);
649: if (zn != NULL)
650: bzero(zn, sizeof (struct zyd_node));
651: return (struct ieee80211_node *)zn;
652: }
653:
654: int
655: zyd_media_change(struct ifnet *ifp)
656: {
657: int error;
658:
659: error = ieee80211_media_change(ifp);
660: if (error != ENETRESET)
661: return error;
662:
663: if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
664: zyd_init(ifp);
665:
666: return 0;
667: }
668:
669: /*
670: * This function is called periodically (every 200ms) during scanning to
671: * switch from one channel to another.
672: */
673: void
674: zyd_next_scan(void *arg)
675: {
676: struct zyd_softc *sc = arg;
677: struct ieee80211com *ic = &sc->sc_ic;
678: struct ifnet *ifp = &ic->ic_if;
679:
680: if (ic->ic_state == IEEE80211_S_SCAN)
681: ieee80211_next_scan(ifp);
682: }
683:
684: void
685: zyd_task(void *arg)
686: {
687: struct zyd_softc *sc = arg;
688: struct ieee80211com *ic = &sc->sc_ic;
689: enum ieee80211_state ostate;
690:
691: ostate = ic->ic_state;
692:
693: switch (sc->sc_state) {
694: case IEEE80211_S_INIT:
695: if (ostate == IEEE80211_S_RUN) {
696: /* turn link LED off */
697: zyd_set_led(sc, ZYD_LED1, 0);
698:
699: /* stop data LED from blinking */
700: zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0);
701: }
702: break;
703:
704: case IEEE80211_S_SCAN:
705: zyd_set_chan(sc, ic->ic_bss->ni_chan);
706: timeout_add(&sc->scan_to, hz / 5);
707: break;
708:
709: case IEEE80211_S_AUTH:
710: case IEEE80211_S_ASSOC:
711: zyd_set_chan(sc, ic->ic_bss->ni_chan);
712: break;
713:
714: case IEEE80211_S_RUN:
715: {
716: struct ieee80211_node *ni = ic->ic_bss;
717:
718: zyd_set_chan(sc, ni->ni_chan);
719:
720: if (ic->ic_opmode != IEEE80211_M_MONITOR) {
721: /* turn link LED on */
722: zyd_set_led(sc, ZYD_LED1, 1);
723:
724: /* make data LED blink upon Tx */
725: zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1);
726:
727: zyd_set_bssid(sc, ni->ni_bssid);
728: }
729:
730: if (ic->ic_opmode == IEEE80211_M_STA) {
731: /* fake a join to init the tx rate */
732: zyd_newassoc(ic, ni, 1);
733: }
734:
735: /* start automatic rate control timer */
736: if (ic->ic_fixed_rate == -1)
737: timeout_add(&sc->amrr_to, hz);
738:
739: break;
740: }
741: }
742:
743: sc->sc_newstate(ic, sc->sc_state, sc->sc_arg);
744: }
745:
746: int
747: zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
748: {
749: struct zyd_softc *sc = ic->ic_softc;
750:
751: usb_rem_task(sc->sc_udev, &sc->sc_task);
752: timeout_del(&sc->scan_to);
753: timeout_del(&sc->amrr_to);
754:
755: /* do it in a process context */
756: sc->sc_state = nstate;
757: sc->sc_arg = arg;
758: usb_add_task(sc->sc_udev, &sc->sc_task);
759:
760: return 0;
761: }
762:
763: int
764: zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen,
765: void *odata, int olen, u_int flags)
766: {
767: usbd_xfer_handle xfer;
768: struct zyd_cmd cmd;
769: uint16_t xferflags;
770: usbd_status error;
771: int s;
772:
773: if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL)
774: return ENOMEM;
775:
776: cmd.code = htole16(code);
777: bcopy(idata, cmd.data, ilen);
778:
779: xferflags = USBD_FORCE_SHORT_XFER;
780: if (!(flags & ZYD_CMD_FLAG_READ))
781: xferflags |= USBD_SYNCHRONOUS;
782: else
783: s = splusb();
784:
785: sc->odata = odata;
786: sc->olen = olen;
787:
788: usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd,
789: sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL);
790: error = usbd_transfer(xfer);
791: if (error != USBD_IN_PROGRESS && error != 0) {
792: if (flags & ZYD_CMD_FLAG_READ)
793: splx(s);
794: printf("%s: could not send command (error=%s)\n",
795: sc->sc_dev.dv_xname, usbd_errstr(error));
796: (void)usbd_free_xfer(xfer);
797: return EIO;
798: }
799: if (!(flags & ZYD_CMD_FLAG_READ)) {
800: (void)usbd_free_xfer(xfer);
801: return 0; /* write: don't wait for reply */
802: }
803: /* wait at most one second for command reply */
804: error = tsleep(sc, PCATCH, "zydcmd", hz);
805: sc->odata = NULL; /* in case answer is received too late */
806: splx(s);
807:
808: (void)usbd_free_xfer(xfer);
809: return error;
810: }
811:
812: int
813: zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val)
814: {
815: struct zyd_pair tmp;
816: int error;
817:
818: reg = htole16(reg);
819: error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp,
820: ZYD_CMD_FLAG_READ);
821: if (error == 0)
822: *val = letoh16(tmp.val);
823: return error;
824: }
825:
826: int
827: zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val)
828: {
829: struct zyd_pair tmp[2];
830: uint16_t regs[2];
831: int error;
832:
833: regs[0] = htole16(ZYD_REG32_HI(reg));
834: regs[1] = htole16(ZYD_REG32_LO(reg));
835: error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp,
836: ZYD_CMD_FLAG_READ);
837: if (error == 0)
838: *val = letoh16(tmp[0].val) << 16 | letoh16(tmp[1].val);
839: return error;
840: }
841:
842: int
843: zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val)
844: {
845: struct zyd_pair pair;
846:
847: pair.reg = htole16(reg);
848: pair.val = htole16(val);
849:
850: return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0);
851: }
852:
853: int
854: zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val)
855: {
856: struct zyd_pair pair[2];
857:
858: pair[0].reg = htole16(ZYD_REG32_HI(reg));
859: pair[0].val = htole16(val >> 16);
860: pair[1].reg = htole16(ZYD_REG32_LO(reg));
861: pair[1].val = htole16(val & 0xffff);
862:
863: return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0);
864: }
865:
866: int
867: zyd_rfwrite(struct zyd_softc *sc, uint32_t val)
868: {
869: struct zyd_rf *rf = &sc->sc_rf;
870: struct zyd_rfwrite req;
871: uint16_t cr203;
872: int i;
873:
874: (void)zyd_read16(sc, ZYD_CR203, &cr203);
875: cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA);
876:
877: req.code = htole16(2);
878: req.width = htole16(rf->width);
879: for (i = 0; i < rf->width; i++) {
880: req.bit[i] = htole16(cr203);
881: if (val & (1 << (rf->width - 1 - i)))
882: req.bit[i] |= htole16(ZYD_RF_DATA);
883: }
884: return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0);
885: }
886:
887: void
888: zyd_lock_phy(struct zyd_softc *sc)
889: {
890: uint32_t tmp;
891:
892: (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp);
893: tmp &= ~ZYD_UNLOCK_PHY_REGS;
894: (void)zyd_write32(sc, ZYD_MAC_MISC, tmp);
895: }
896:
897: void
898: zyd_unlock_phy(struct zyd_softc *sc)
899: {
900: uint32_t tmp;
901:
902: (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp);
903: tmp |= ZYD_UNLOCK_PHY_REGS;
904: (void)zyd_write32(sc, ZYD_MAC_MISC, tmp);
905: }
906:
907: /*
908: * RFMD RF methods.
909: */
910: int
911: zyd_rfmd_init(struct zyd_rf *rf)
912: {
913: #define N(a) (sizeof (a) / sizeof ((a)[0]))
914: struct zyd_softc *sc = rf->rf_sc;
915: static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY;
916: static const uint32_t rfini[] = ZYD_RFMD_RF;
917: int i, error;
918:
919: /* init RF-dependent PHY registers */
920: for (i = 0; i < N(phyini); i++) {
921: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
922: if (error != 0)
923: return error;
924: }
925:
926: /* init RFMD radio */
927: for (i = 0; i < N(rfini); i++) {
928: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
929: return error;
930: }
931: return 0;
932: #undef N
933: }
934:
935: int
936: zyd_rfmd_switch_radio(struct zyd_rf *rf, int on)
937: {
938: struct zyd_softc *sc = rf->rf_sc;
939:
940: (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15);
941: (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81);
942:
943: return 0;
944: }
945:
946: int
947: zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan)
948: {
949: struct zyd_softc *sc = rf->rf_sc;
950: static const struct {
951: uint32_t r1, r2;
952: } rfprog[] = ZYD_RFMD_CHANTABLE;
953:
954: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
955: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
956:
957: return 0;
958: }
959:
960: /*
961: * AL2230 RF methods.
962: */
963: int
964: zyd_al2230_init(struct zyd_rf *rf)
965: {
966: #define N(a) (sizeof (a) / sizeof ((a)[0]))
967: struct zyd_softc *sc = rf->rf_sc;
968: static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY;
969: static const uint32_t rfini[] = ZYD_AL2230_RF;
970: int i, error;
971:
972: /* init RF-dependent PHY registers */
973: for (i = 0; i < N(phyini); i++) {
974: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
975: if (error != 0)
976: return error;
977: }
978:
979: /* init AL2230 radio */
980: for (i = 0; i < N(rfini); i++) {
981: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
982: return error;
983: }
984: return 0;
985: #undef N
986: }
987:
988: int
989: zyd_al2230_init_b(struct zyd_rf *rf)
990: {
991: #define N(a) (sizeof (a) / sizeof ((a)[0]))
992: struct zyd_softc *sc = rf->rf_sc;
993: static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B;
994: static const uint32_t rfini[] = ZYD_AL2230_RF_B;
995: int i, error;
996:
997: /* init RF-dependent PHY registers */
998: for (i = 0; i < N(phyini); i++) {
999: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1000: if (error != 0)
1001: return error;
1002: }
1003:
1004: /* init AL2230 radio */
1005: for (i = 0; i < N(rfini); i++) {
1006: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1007: return error;
1008: }
1009: return 0;
1010: #undef N
1011: }
1012:
1013: int
1014: zyd_al2230_switch_radio(struct zyd_rf *rf, int on)
1015: {
1016: struct zyd_softc *sc = rf->rf_sc;
1017: int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f;
1018:
1019: (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04);
1020: (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f);
1021:
1022: return 0;
1023: }
1024:
1025: int
1026: zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan)
1027: {
1028: struct zyd_softc *sc = rf->rf_sc;
1029: static const struct {
1030: uint32_t r1, r2, r3;
1031: } rfprog[] = ZYD_AL2230_CHANTABLE;
1032:
1033: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
1034: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
1035: (void)zyd_rfwrite(sc, rfprog[chan - 1].r3);
1036:
1037: (void)zyd_write16(sc, ZYD_CR138, 0x28);
1038: (void)zyd_write16(sc, ZYD_CR203, 0x06);
1039:
1040: return 0;
1041: }
1042:
1043: /*
1044: * AL7230B RF methods.
1045: */
1046: int
1047: zyd_al7230B_init(struct zyd_rf *rf)
1048: {
1049: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1050: struct zyd_softc *sc = rf->rf_sc;
1051: static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1;
1052: static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2;
1053: static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3;
1054: static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1;
1055: static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2;
1056: int i, error;
1057:
1058: /* for AL7230B, PHY and RF need to be initialized in "phases" */
1059:
1060: /* init RF-dependent PHY registers, part one */
1061: for (i = 0; i < N(phyini_1); i++) {
1062: error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val);
1063: if (error != 0)
1064: return error;
1065: }
1066: /* init AL7230B radio, part one */
1067: for (i = 0; i < N(rfini_1); i++) {
1068: if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0)
1069: return error;
1070: }
1071: /* init RF-dependent PHY registers, part two */
1072: for (i = 0; i < N(phyini_2); i++) {
1073: error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val);
1074: if (error != 0)
1075: return error;
1076: }
1077: /* init AL7230B radio, part two */
1078: for (i = 0; i < N(rfini_2); i++) {
1079: if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0)
1080: return error;
1081: }
1082: /* init RF-dependent PHY registers, part three */
1083: for (i = 0; i < N(phyini_3); i++) {
1084: error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val);
1085: if (error != 0)
1086: return error;
1087: }
1088:
1089: return 0;
1090: #undef N
1091: }
1092:
1093: int
1094: zyd_al7230B_switch_radio(struct zyd_rf *rf, int on)
1095: {
1096: struct zyd_softc *sc = rf->rf_sc;
1097:
1098: (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04);
1099: (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f);
1100:
1101: return 0;
1102: }
1103:
1104: int
1105: zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan)
1106: {
1107: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1108: struct zyd_softc *sc = rf->rf_sc;
1109: static const struct {
1110: uint32_t r1, r2;
1111: } rfprog[] = ZYD_AL7230B_CHANTABLE;
1112: static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL;
1113: int i, error;
1114:
1115: (void)zyd_write16(sc, ZYD_CR240, 0x57);
1116: (void)zyd_write16(sc, ZYD_CR251, 0x2f);
1117:
1118: for (i = 0; i < N(rfsc); i++) {
1119: if ((error = zyd_rfwrite(sc, rfsc[i])) != 0)
1120: return error;
1121: }
1122:
1123: (void)zyd_write16(sc, ZYD_CR128, 0x14);
1124: (void)zyd_write16(sc, ZYD_CR129, 0x12);
1125: (void)zyd_write16(sc, ZYD_CR130, 0x10);
1126: (void)zyd_write16(sc, ZYD_CR38, 0x38);
1127: (void)zyd_write16(sc, ZYD_CR136, 0xdf);
1128:
1129: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
1130: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
1131: (void)zyd_rfwrite(sc, 0x3c9000);
1132:
1133: (void)zyd_write16(sc, ZYD_CR251, 0x3f);
1134: (void)zyd_write16(sc, ZYD_CR203, 0x06);
1135: (void)zyd_write16(sc, ZYD_CR240, 0x08);
1136:
1137: return 0;
1138: #undef N
1139: }
1140:
1141: /*
1142: * AL2210 RF methods.
1143: */
1144: int
1145: zyd_al2210_init(struct zyd_rf *rf)
1146: {
1147: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1148: struct zyd_softc *sc = rf->rf_sc;
1149: static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY;
1150: static const uint32_t rfini[] = ZYD_AL2210_RF;
1151: uint32_t tmp;
1152: int i, error;
1153:
1154: (void)zyd_write32(sc, ZYD_CR18, 2);
1155:
1156: /* init RF-dependent PHY registers */
1157: for (i = 0; i < N(phyini); i++) {
1158: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1159: if (error != 0)
1160: return error;
1161: }
1162: /* init AL2210 radio */
1163: for (i = 0; i < N(rfini); i++) {
1164: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1165: return error;
1166: }
1167: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
1168: (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp);
1169: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1);
1170: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1);
1171: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05);
1172: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00);
1173: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
1174: (void)zyd_write32(sc, ZYD_CR18, 3);
1175:
1176: return 0;
1177: #undef N
1178: }
1179:
1180: int
1181: zyd_al2210_switch_radio(struct zyd_rf *rf, int on)
1182: {
1183: /* vendor driver does nothing for this RF chip */
1184:
1185: return 0;
1186: }
1187:
1188: int
1189: zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan)
1190: {
1191: struct zyd_softc *sc = rf->rf_sc;
1192: static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE;
1193: uint32_t tmp;
1194:
1195: (void)zyd_write32(sc, ZYD_CR18, 2);
1196: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
1197: (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp);
1198: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1);
1199: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1);
1200: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05);
1201:
1202: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00);
1203: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
1204:
1205: /* actually set the channel */
1206: (void)zyd_rfwrite(sc, rfprog[chan - 1]);
1207:
1208: (void)zyd_write32(sc, ZYD_CR18, 3);
1209:
1210: return 0;
1211: }
1212:
1213: /*
1214: * GCT RF methods.
1215: */
1216: int
1217: zyd_gct_init(struct zyd_rf *rf)
1218: {
1219: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1220: struct zyd_softc *sc = rf->rf_sc;
1221: static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY;
1222: static const uint32_t rfini[] = ZYD_GCT_RF;
1223: int i, error;
1224:
1225: /* init RF-dependent PHY registers */
1226: for (i = 0; i < N(phyini); i++) {
1227: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1228: if (error != 0)
1229: return error;
1230: }
1231: /* init cgt radio */
1232: for (i = 0; i < N(rfini); i++) {
1233: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1234: return error;
1235: }
1236: return 0;
1237: #undef N
1238: }
1239:
1240: int
1241: zyd_gct_switch_radio(struct zyd_rf *rf, int on)
1242: {
1243: /* vendor driver does nothing for this RF chip */
1244:
1245: return 0;
1246: }
1247:
1248: int
1249: zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan)
1250: {
1251: struct zyd_softc *sc = rf->rf_sc;
1252: static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE;
1253:
1254: (void)zyd_rfwrite(sc, 0x1c0000);
1255: (void)zyd_rfwrite(sc, rfprog[chan - 1]);
1256: (void)zyd_rfwrite(sc, 0x1c0008);
1257:
1258: return 0;
1259: }
1260:
1261: /*
1262: * Maxim RF methods.
1263: */
1264: int
1265: zyd_maxim_init(struct zyd_rf *rf)
1266: {
1267: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1268: struct zyd_softc *sc = rf->rf_sc;
1269: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY;
1270: static const uint32_t rfini[] = ZYD_MAXIM_RF;
1271: uint16_t tmp;
1272: int i, error;
1273:
1274: /* init RF-dependent PHY registers */
1275: for (i = 0; i < N(phyini); i++) {
1276: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1277: if (error != 0)
1278: return error;
1279: }
1280: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1281: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
1282:
1283: /* init maxim radio */
1284: for (i = 0; i < N(rfini); i++) {
1285: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1286: return error;
1287: }
1288: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1289: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
1290:
1291: return 0;
1292: #undef N
1293: }
1294:
1295: int
1296: zyd_maxim_switch_radio(struct zyd_rf *rf, int on)
1297: {
1298: /* vendor driver does nothing for this RF chip */
1299:
1300: return 0;
1301: }
1302:
1303: int
1304: zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan)
1305: {
1306: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1307: struct zyd_softc *sc = rf->rf_sc;
1308: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY;
1309: static const uint32_t rfini[] = ZYD_MAXIM_RF;
1310: static const struct {
1311: uint32_t r1, r2;
1312: } rfprog[] = ZYD_MAXIM_CHANTABLE;
1313: uint16_t tmp;
1314: int i, error;
1315:
1316: /*
1317: * Do the same as we do when initializing it, except for the channel
1318: * values coming from the two channel tables.
1319: */
1320:
1321: /* init RF-dependent PHY registers */
1322: for (i = 0; i < N(phyini); i++) {
1323: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1324: if (error != 0)
1325: return error;
1326: }
1327: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1328: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
1329:
1330: /* first two values taken from the chantables */
1331: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
1332: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
1333:
1334: /* init maxim radio - skipping the two first values */
1335: for (i = 2; i < N(rfini); i++) {
1336: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1337: return error;
1338: }
1339: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1340: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
1341:
1342: return 0;
1343: #undef N
1344: }
1345:
1346: /*
1347: * Maxim2 RF methods.
1348: */
1349: int
1350: zyd_maxim2_init(struct zyd_rf *rf)
1351: {
1352: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1353: struct zyd_softc *sc = rf->rf_sc;
1354: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
1355: static const uint32_t rfini[] = ZYD_MAXIM2_RF;
1356: uint16_t tmp;
1357: int i, error;
1358:
1359: /* init RF-dependent PHY registers */
1360: for (i = 0; i < N(phyini); i++) {
1361: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1362: if (error != 0)
1363: return error;
1364: }
1365: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1366: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
1367:
1368: /* init maxim2 radio */
1369: for (i = 0; i < N(rfini); i++) {
1370: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1371: return error;
1372: }
1373: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1374: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
1375:
1376: return 0;
1377: #undef N
1378: }
1379:
1380: int
1381: zyd_maxim2_switch_radio(struct zyd_rf *rf, int on)
1382: {
1383: /* vendor driver does nothing for this RF chip */
1384:
1385: return 0;
1386: }
1387:
1388: int
1389: zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan)
1390: {
1391: #define N(a) (sizeof (a) / sizeof ((a)[0]))
1392: struct zyd_softc *sc = rf->rf_sc;
1393: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
1394: static const uint32_t rfini[] = ZYD_MAXIM2_RF;
1395: static const struct {
1396: uint32_t r1, r2;
1397: } rfprog[] = ZYD_MAXIM2_CHANTABLE;
1398: uint16_t tmp;
1399: int i, error;
1400:
1401: /*
1402: * Do the same as we do when initializing it, except for the channel
1403: * values coming from the two channel tables.
1404: */
1405:
1406: /* init RF-dependent PHY registers */
1407: for (i = 0; i < N(phyini); i++) {
1408: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
1409: if (error != 0)
1410: return error;
1411: }
1412: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1413: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
1414:
1415: /* first two values taken from the chantables */
1416: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
1417: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
1418:
1419: /* init maxim2 radio - skipping the two first values */
1420: for (i = 2; i < N(rfini); i++) {
1421: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
1422: return error;
1423: }
1424: (void)zyd_read16(sc, ZYD_CR203, &tmp);
1425: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
1426:
1427: return 0;
1428: #undef N
1429: }
1430:
1431: int
1432: zyd_rf_attach(struct zyd_softc *sc, uint8_t type)
1433: {
1434: struct zyd_rf *rf = &sc->sc_rf;
1435:
1436: rf->rf_sc = sc;
1437:
1438: switch (type) {
1439: case ZYD_RF_RFMD:
1440: rf->init = zyd_rfmd_init;
1441: rf->switch_radio = zyd_rfmd_switch_radio;
1442: rf->set_channel = zyd_rfmd_set_channel;
1443: rf->width = 24; /* 24-bit RF values */
1444: break;
1445: case ZYD_RF_AL2230:
1446: if (sc->mac_rev == ZYD_ZD1211B)
1447: rf->init = zyd_al2230_init_b;
1448: else
1449: rf->init = zyd_al2230_init;
1450: rf->switch_radio = zyd_al2230_switch_radio;
1451: rf->set_channel = zyd_al2230_set_channel;
1452: rf->width = 24; /* 24-bit RF values */
1453: break;
1454: case ZYD_RF_AL7230B:
1455: rf->init = zyd_al7230B_init;
1456: rf->switch_radio = zyd_al7230B_switch_radio;
1457: rf->set_channel = zyd_al7230B_set_channel;
1458: rf->width = 24; /* 24-bit RF values */
1459: break;
1460: case ZYD_RF_AL2210:
1461: rf->init = zyd_al2210_init;
1462: rf->switch_radio = zyd_al2210_switch_radio;
1463: rf->set_channel = zyd_al2210_set_channel;
1464: rf->width = 24; /* 24-bit RF values */
1465: break;
1466: case ZYD_RF_GCT:
1467: rf->init = zyd_gct_init;
1468: rf->switch_radio = zyd_gct_switch_radio;
1469: rf->set_channel = zyd_gct_set_channel;
1470: rf->width = 21; /* 21-bit RF values */
1471: break;
1472: case ZYD_RF_MAXIM_NEW:
1473: rf->init = zyd_maxim_init;
1474: rf->switch_radio = zyd_maxim_switch_radio;
1475: rf->set_channel = zyd_maxim_set_channel;
1476: rf->width = 18; /* 18-bit RF values */
1477: break;
1478: case ZYD_RF_MAXIM_NEW2:
1479: rf->init = zyd_maxim2_init;
1480: rf->switch_radio = zyd_maxim2_switch_radio;
1481: rf->set_channel = zyd_maxim2_set_channel;
1482: rf->width = 18; /* 18-bit RF values */
1483: break;
1484: default:
1485: printf("%s: sorry, radio \"%s\" is not supported yet\n",
1486: sc->sc_dev.dv_xname, zyd_rf_name(type));
1487: return EINVAL;
1488: }
1489: return 0;
1490: }
1491:
1492: const char *
1493: zyd_rf_name(uint8_t type)
1494: {
1495: static const char * const zyd_rfs[] = {
1496: "unknown", "unknown", "UW2451", "UCHIP", "AL2230",
1497: "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT",
1498: "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2",
1499: "PHILIPS"
1500: };
1501: return zyd_rfs[(type > 15) ? 0 : type];
1502: }
1503:
1504: int
1505: zyd_hw_init(struct zyd_softc *sc)
1506: {
1507: struct zyd_rf *rf = &sc->sc_rf;
1508: const struct zyd_phy_pair *phyp;
1509: int error;
1510:
1511: /* specify that the plug and play is finished */
1512: (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1);
1513:
1514: (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase);
1515: DPRINTF(("firmware base address=0x%04x\n", sc->fwbase));
1516:
1517: /* retrieve firmware revision number */
1518: (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev);
1519:
1520: (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0);
1521: (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f);
1522:
1523: /* disable interrupts */
1524: (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0);
1525:
1526: /* PHY init */
1527: zyd_lock_phy(sc);
1528: phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy;
1529: for (; phyp->reg != 0; phyp++) {
1530: if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0)
1531: goto fail;
1532: }
1533: zyd_unlock_phy(sc);
1534:
1535: /* HMAC init */
1536: zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020);
1537: zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808);
1538:
1539: if (sc->mac_rev == ZYD_ZD1211) {
1540: zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002);
1541: } else {
1542: zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202);
1543: zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f);
1544: zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f);
1545: zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f);
1546: zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f);
1547: zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028);
1548: zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C);
1549: zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824);
1550: }
1551:
1552: zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000);
1553: zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000);
1554: zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000);
1555: zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000);
1556: zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4);
1557: zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f);
1558: zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401);
1559: zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000);
1560: zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080);
1561: zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000);
1562: zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100);
1563: zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032);
1564: zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070);
1565: zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000);
1566: zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203);
1567: zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640);
1568: zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114);
1569:
1570: /* RF chip init */
1571: zyd_lock_phy(sc);
1572: error = (*rf->init)(rf);
1573: zyd_unlock_phy(sc);
1574: if (error != 0) {
1575: printf("%s: radio initialization failed\n",
1576: sc->sc_dev.dv_xname);
1577: goto fail;
1578: }
1579:
1580: /* init beacon interval to 100ms */
1581: if ((error = zyd_set_beacon_interval(sc, 100)) != 0)
1582: goto fail;
1583:
1584: fail: return error;
1585: }
1586:
1587: int
1588: zyd_read_eeprom(struct zyd_softc *sc)
1589: {
1590: struct ieee80211com *ic = &sc->sc_ic;
1591: uint32_t tmp;
1592: uint16_t val;
1593: int i;
1594:
1595: /* read MAC address */
1596: (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp);
1597: ic->ic_myaddr[0] = tmp & 0xff;
1598: ic->ic_myaddr[1] = tmp >> 8;
1599: ic->ic_myaddr[2] = tmp >> 16;
1600: ic->ic_myaddr[3] = tmp >> 24;
1601: (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp);
1602: ic->ic_myaddr[4] = tmp & 0xff;
1603: ic->ic_myaddr[5] = tmp >> 8;
1604:
1605: (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp);
1606: sc->rf_rev = tmp & 0x0f;
1607: sc->pa_rev = (tmp >> 16) & 0x0f;
1608:
1609: /* read regulatory domain (currently unused) */
1610: (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp);
1611: sc->regdomain = tmp >> 16;
1612: DPRINTF(("regulatory domain %x\n", sc->regdomain));
1613:
1614: /* read Tx power calibration tables */
1615: for (i = 0; i < 7; i++) {
1616: (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val);
1617: sc->pwr_cal[i * 2] = val >> 8;
1618: sc->pwr_cal[i * 2 + 1] = val & 0xff;
1619:
1620: (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val);
1621: sc->pwr_int[i * 2] = val >> 8;
1622: sc->pwr_int[i * 2 + 1] = val & 0xff;
1623:
1624: (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val);
1625: sc->ofdm36_cal[i * 2] = val >> 8;
1626: sc->ofdm36_cal[i * 2 + 1] = val & 0xff;
1627:
1628: (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val);
1629: sc->ofdm48_cal[i * 2] = val >> 8;
1630: sc->ofdm48_cal[i * 2 + 1] = val & 0xff;
1631:
1632: (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val);
1633: sc->ofdm54_cal[i * 2] = val >> 8;
1634: sc->ofdm54_cal[i * 2 + 1] = val & 0xff;
1635: }
1636: return 0;
1637: }
1638:
1639: int
1640: zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr)
1641: {
1642: uint32_t tmp;
1643:
1644: tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
1645: (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp);
1646:
1647: tmp = addr[5] << 8 | addr[4];
1648: (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp);
1649:
1650: return 0;
1651: }
1652:
1653: int
1654: zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr)
1655: {
1656: uint32_t tmp;
1657:
1658: tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
1659: (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp);
1660:
1661: tmp = addr[5] << 8 | addr[4];
1662: (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp);
1663:
1664: return 0;
1665: }
1666:
1667: int
1668: zyd_switch_radio(struct zyd_softc *sc, int on)
1669: {
1670: struct zyd_rf *rf = &sc->sc_rf;
1671: int error;
1672:
1673: zyd_lock_phy(sc);
1674: error = (*rf->switch_radio)(rf, on);
1675: zyd_unlock_phy(sc);
1676:
1677: return error;
1678: }
1679:
1680: void
1681: zyd_set_led(struct zyd_softc *sc, int which, int on)
1682: {
1683: uint32_t tmp;
1684:
1685: (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp);
1686: tmp &= ~which;
1687: if (on)
1688: tmp |= which;
1689: (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp);
1690: }
1691:
1692: int
1693: zyd_set_rxfilter(struct zyd_softc *sc)
1694: {
1695: uint32_t rxfilter;
1696:
1697: switch (sc->sc_ic.ic_opmode) {
1698: case IEEE80211_M_STA:
1699: rxfilter = ZYD_FILTER_BSS;
1700: break;
1701: case IEEE80211_M_IBSS:
1702: case IEEE80211_M_HOSTAP:
1703: rxfilter = ZYD_FILTER_HOSTAP;
1704: break;
1705: case IEEE80211_M_MONITOR:
1706: rxfilter = ZYD_FILTER_MONITOR;
1707: break;
1708: default:
1709: /* should not get there */
1710: return EINVAL;
1711: }
1712: return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter);
1713: }
1714:
1715: void
1716: zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c)
1717: {
1718: struct ieee80211com *ic = &sc->sc_ic;
1719: struct zyd_rf *rf = &sc->sc_rf;
1720: u_int chan;
1721:
1722: chan = ieee80211_chan2ieee(ic, c);
1723: if (chan == 0 || chan == IEEE80211_CHAN_ANY)
1724: return;
1725:
1726: zyd_lock_phy(sc);
1727:
1728: (*rf->set_channel)(rf, chan);
1729:
1730: /* update Tx power */
1731: (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]);
1732: (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]);
1733:
1734: if (sc->mac_rev == ZYD_ZD1211B) {
1735: (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]);
1736: (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]);
1737: (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]);
1738:
1739: (void)zyd_write32(sc, ZYD_CR69, 0x28);
1740: (void)zyd_write32(sc, ZYD_CR69, 0x2a);
1741: }
1742:
1743: zyd_unlock_phy(sc);
1744: }
1745:
1746: int
1747: zyd_set_beacon_interval(struct zyd_softc *sc, int bintval)
1748: {
1749: /* XXX this is probably broken.. */
1750: (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2);
1751: (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1);
1752: (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval);
1753:
1754: return 0;
1755: }
1756:
1757: uint8_t
1758: zyd_plcp_signal(int rate)
1759: {
1760: switch (rate) {
1761: /* CCK rates (returned values are device-dependent) */
1762: case 2: return 0x0;
1763: case 4: return 0x1;
1764: case 11: return 0x2;
1765: case 22: return 0x3;
1766:
1767: /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
1768: case 12: return 0xb;
1769: case 18: return 0xf;
1770: case 24: return 0xa;
1771: case 36: return 0xe;
1772: case 48: return 0x9;
1773: case 72: return 0xd;
1774: case 96: return 0x8;
1775: case 108: return 0xc;
1776:
1777: /* unsupported rates (should not get there) */
1778: default: return 0xff;
1779: }
1780: }
1781:
1782: void
1783: zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1784: {
1785: struct zyd_softc *sc = (struct zyd_softc *)priv;
1786: const struct zyd_cmd *cmd;
1787: uint32_t len;
1788:
1789: if (status != USBD_NORMAL_COMPLETION) {
1790: if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1791: return;
1792:
1793: if (status == USBD_STALLED) {
1794: usbd_clear_endpoint_stall_async(
1795: sc->zyd_ep[ZYD_ENDPT_IIN]);
1796: }
1797: return;
1798: }
1799:
1800: cmd = (const struct zyd_cmd *)sc->ibuf;
1801:
1802: if (letoh16(cmd->code) == ZYD_NOTIF_RETRYSTATUS) {
1803: struct zyd_notif_retry *retry =
1804: (struct zyd_notif_retry *)cmd->data;
1805: struct ieee80211com *ic = &sc->sc_ic;
1806: struct ifnet *ifp = &ic->ic_if;
1807: struct ieee80211_node *ni;
1808:
1809: DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n",
1810: letoh16(retry->rate), ether_sprintf(retry->macaddr),
1811: letoh16(retry->count) & 0xff, letoh16(retry->count)));
1812:
1813: /*
1814: * Find the node to which the packet was sent and update its
1815: * retry statistics. In BSS mode, this node is the AP we're
1816: * associated to so no lookup is actually needed.
1817: */
1818: if (ic->ic_opmode != IEEE80211_M_STA) {
1819: ni = ieee80211_find_node(ic, retry->macaddr);
1820: if (ni == NULL)
1821: return; /* just ignore */
1822: } else
1823: ni = ic->ic_bss;
1824:
1825: ((struct zyd_node *)ni)->amn.amn_retrycnt++;
1826:
1827: if (letoh16(retry->count) & 0x100)
1828: ifp->if_oerrors++; /* too many retries */
1829:
1830: } else if (letoh16(cmd->code) == ZYD_NOTIF_IORD) {
1831: if (letoh16(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT)
1832: return; /* HMAC interrupt */
1833:
1834: if (sc->odata == NULL)
1835: return; /* unexpected IORD notification */
1836:
1837: /* copy answer into caller-supplied buffer */
1838: usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
1839: bcopy(cmd->data, sc->odata, sc->olen);
1840:
1841: wakeup(sc); /* wakeup caller */
1842:
1843: } else {
1844: printf("%s: unknown notification %x\n", sc->sc_dev.dv_xname,
1845: letoh16(cmd->code));
1846: }
1847: }
1848:
1849: void
1850: zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len)
1851: {
1852: struct ieee80211com *ic = &sc->sc_ic;
1853: struct ifnet *ifp = &ic->ic_if;
1854: struct ieee80211_node *ni;
1855: struct ieee80211_frame *wh;
1856: const struct zyd_plcphdr *plcp;
1857: const struct zyd_rx_stat *stat;
1858: struct mbuf *m;
1859: int rlen, s;
1860:
1861: if (len < ZYD_MIN_FRAGSZ) {
1862: printf("%s: frame too short (length=%d)\n",
1863: sc->sc_dev.dv_xname, len);
1864: ifp->if_ierrors++;
1865: return;
1866: }
1867:
1868: plcp = (const struct zyd_plcphdr *)buf;
1869: stat = (const struct zyd_rx_stat *)
1870: (buf + len - sizeof (struct zyd_rx_stat));
1871:
1872: if (stat->flags & ZYD_RX_ERROR) {
1873: DPRINTF(("%s: RX status indicated error (%x)\n",
1874: sc->sc_dev.dv_xname, stat->flags));
1875: ifp->if_ierrors++;
1876: return;
1877: }
1878:
1879: /* compute actual frame length */
1880: rlen = len - sizeof (struct zyd_plcphdr) -
1881: sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN;
1882:
1883: /* allocate a mbuf to store the frame */
1884: MGETHDR(m, M_DONTWAIT, MT_DATA);
1885: if (m == NULL) {
1886: printf("%s: could not allocate rx mbuf\n",
1887: sc->sc_dev.dv_xname);
1888: ifp->if_ierrors++;
1889: return;
1890: }
1891: if (rlen > MHLEN) {
1892: MCLGET(m, M_DONTWAIT);
1893: if (!(m->m_flags & M_EXT)) {
1894: printf("%s: could not allocate rx mbuf cluster\n",
1895: sc->sc_dev.dv_xname);
1896: m_freem(m);
1897: ifp->if_ierrors++;
1898: return;
1899: }
1900: }
1901: m->m_pkthdr.rcvif = ifp;
1902: m->m_pkthdr.len = m->m_len = rlen;
1903: bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen);
1904:
1905: #if NBPFILTER > 0
1906: if (sc->sc_drvbpf != NULL) {
1907: struct mbuf mb;
1908: struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap;
1909: static const uint8_t rates[] = {
1910: /* reverse function of zyd_plcp_signal() */
1911: 2, 4, 11, 22, 0, 0, 0, 0,
1912: 96, 48, 24, 12, 108, 72, 36, 18
1913: };
1914:
1915: tap->wr_flags = 0;
1916: tap->wr_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
1917: tap->wr_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
1918: tap->wr_rssi = stat->rssi;
1919: tap->wr_rate = rates[plcp->signal & 0xf];
1920:
1921: mb.m_data = (caddr_t)tap;
1922: mb.m_len = sc->sc_rxtap_len;
1923: mb.m_next = m;
1924: mb.m_nextpkt = NULL;
1925: mb.m_type = 0;
1926: mb.m_flags = 0;
1927: bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN);
1928: }
1929: #endif
1930:
1931: s = splnet();
1932: wh = mtod(m, struct ieee80211_frame *);
1933: ni = ieee80211_find_rxnode(ic, wh);
1934: ieee80211_input(ifp, m, ni, stat->rssi, 0);
1935:
1936: /* node is no longer needed */
1937: ieee80211_release_node(ic, ni);
1938:
1939: splx(s);
1940: }
1941:
1942: void
1943: zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
1944: {
1945: struct zyd_rx_data *data = priv;
1946: struct zyd_softc *sc = data->sc;
1947: struct ieee80211com *ic = &sc->sc_ic;
1948: struct ifnet *ifp = &ic->ic_if;
1949: const struct zyd_rx_desc *desc;
1950: int len;
1951:
1952: if (status != USBD_NORMAL_COMPLETION) {
1953: if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
1954: return;
1955:
1956: if (status == USBD_STALLED)
1957: usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]);
1958:
1959: goto skip;
1960: }
1961: usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
1962:
1963: if (len < ZYD_MIN_RXBUFSZ) {
1964: printf("%s: xfer too short (length=%d)\n",
1965: sc->sc_dev.dv_xname, len);
1966: ifp->if_ierrors++;
1967: goto skip;
1968: }
1969:
1970: desc = (const struct zyd_rx_desc *)
1971: (data->buf + len - sizeof (struct zyd_rx_desc));
1972:
1973: if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) {
1974: const uint8_t *p = data->buf, *end = p + len;
1975: int i;
1976:
1977: DPRINTFN(3, ("received multi-frame transfer\n"));
1978:
1979: for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) {
1980: const uint16_t len = UGETW(desc->len[i]);
1981:
1982: if (len == 0 || p + len > end)
1983: break;
1984:
1985: zyd_rx_data(sc, p, len);
1986: /* next frame is aligned on a 32-bit boundary */
1987: p += (len + 3) & ~3;
1988: }
1989: } else {
1990: DPRINTFN(3, ("received single-frame transfer\n"));
1991:
1992: zyd_rx_data(sc, data->buf, len);
1993: }
1994:
1995: skip: /* setup a new transfer */
1996: usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL,
1997: ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK,
1998: USBD_NO_TIMEOUT, zyd_rxeof);
1999: (void)usbd_transfer(xfer);
2000: }
2001:
2002: void
2003: zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
2004: {
2005: struct zyd_tx_data *data = priv;
2006: struct zyd_softc *sc = data->sc;
2007: struct ieee80211com *ic = &sc->sc_ic;
2008: struct ifnet *ifp = &ic->ic_if;
2009: int s;
2010:
2011: if (status != USBD_NORMAL_COMPLETION) {
2012: if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
2013: return;
2014:
2015: printf("%s: could not transmit buffer: %s\n",
2016: sc->sc_dev.dv_xname, usbd_errstr(status));
2017:
2018: if (status == USBD_STALLED) {
2019: usbd_clear_endpoint_stall_async(
2020: sc->zyd_ep[ZYD_ENDPT_BOUT]);
2021: }
2022: ifp->if_oerrors++;
2023: return;
2024: }
2025:
2026: s = splnet();
2027:
2028: /* update rate control statistics */
2029: ((struct zyd_node *)data->ni)->amn.amn_txcnt++;
2030:
2031: ieee80211_release_node(ic, data->ni);
2032: data->ni = NULL;
2033:
2034: sc->tx_queued--;
2035: ifp->if_opackets++;
2036:
2037: sc->tx_timer = 0;
2038: ifp->if_flags &= ~IFF_OACTIVE;
2039: zyd_start(ifp);
2040:
2041: splx(s);
2042: }
2043:
2044: int
2045: zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
2046: {
2047: struct ieee80211com *ic = &sc->sc_ic;
2048: struct ifnet *ifp = &ic->ic_if;
2049: struct zyd_tx_desc *desc;
2050: struct zyd_tx_data *data;
2051: struct ieee80211_frame *wh;
2052: int xferlen, totlen, rate;
2053: uint16_t pktlen;
2054: usbd_status error;
2055:
2056: wh = mtod(m0, struct ieee80211_frame *);
2057:
2058: if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2059: m0 = ieee80211_wep_crypt(ifp, m0, 1);
2060: if (m0 == NULL)
2061: return ENOBUFS;
2062:
2063: /* packet header may have moved, reset our local pointer */
2064: wh = mtod(m0, struct ieee80211_frame *);
2065: }
2066:
2067: /* pickup a rate */
2068: if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
2069: ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
2070: IEEE80211_FC0_TYPE_MGT)) {
2071: /* mgmt/multicast frames are sent at the lowest avail. rate */
2072: rate = ni->ni_rates.rs_rates[0];
2073: } else if (ic->ic_fixed_rate != -1) {
2074: rate = ic->ic_sup_rates[ic->ic_curmode].
2075: rs_rates[ic->ic_fixed_rate];
2076: } else
2077: rate = ni->ni_rates.rs_rates[ni->ni_txrate];
2078: rate &= IEEE80211_RATE_VAL;
2079: if (rate == 0) /* XXX should not happen */
2080: rate = 2;
2081:
2082: data = &sc->tx_data[0];
2083: desc = (struct zyd_tx_desc *)data->buf;
2084:
2085: data->ni = ni;
2086:
2087: xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len;
2088: totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN;
2089:
2090: /* fill Tx descriptor */
2091: desc->len = htole16(totlen);
2092:
2093: desc->flags = ZYD_TX_FLAG_BACKOFF;
2094: if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
2095: /* multicast frames are not sent at OFDM rates in 802.11b/g */
2096: if (totlen > ic->ic_rtsthreshold) {
2097: desc->flags |= ZYD_TX_FLAG_RTS;
2098: } else if (ZYD_RATE_IS_OFDM(rate) &&
2099: (ic->ic_flags & IEEE80211_F_USEPROT)) {
2100: if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2101: desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF;
2102: else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2103: desc->flags |= ZYD_TX_FLAG_RTS;
2104: }
2105: } else
2106: desc->flags |= ZYD_TX_FLAG_MULTICAST;
2107:
2108: if ((wh->i_fc[0] &
2109: (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
2110: (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL))
2111: desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
2112:
2113: desc->phy = zyd_plcp_signal(rate);
2114: if (ZYD_RATE_IS_OFDM(rate)) {
2115: desc->phy |= ZYD_TX_PHY_OFDM;
2116: if (ic->ic_curmode == IEEE80211_MODE_11A)
2117: desc->phy |= ZYD_TX_PHY_5GHZ;
2118: } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
2119: desc->phy |= ZYD_TX_PHY_SHPREAMBLE;
2120:
2121: /* actual transmit length (XXX why +10?) */
2122: pktlen = sizeof (struct zyd_tx_desc) + 10;
2123: if (sc->mac_rev == ZYD_ZD1211)
2124: pktlen += totlen;
2125: desc->pktlen = htole16(pktlen);
2126:
2127: desc->plcp_length = (16 * totlen + rate - 1) / rate;
2128: desc->plcp_service = 0;
2129: if (rate == 22) {
2130: const int remainder = (16 * totlen) % 22;
2131: if (remainder != 0 && remainder < 7)
2132: desc->plcp_service |= ZYD_PLCP_LENGEXT;
2133: }
2134:
2135: #if NBPFILTER > 0
2136: if (sc->sc_drvbpf != NULL) {
2137: struct mbuf mb;
2138: struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
2139:
2140: tap->wt_flags = 0;
2141: tap->wt_rate = rate;
2142: tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
2143: tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
2144:
2145: mb.m_data = (caddr_t)tap;
2146: mb.m_len = sc->sc_txtap_len;
2147: mb.m_next = m0;
2148: mb.m_nextpkt = NULL;
2149: mb.m_type = 0;
2150: mb.m_flags = 0;
2151: bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT);
2152: }
2153: #endif
2154:
2155: m_copydata(m0, 0, m0->m_pkthdr.len,
2156: data->buf + sizeof (struct zyd_tx_desc));
2157:
2158: DPRINTFN(10, ("%s: sending data frame len=%u rate=%u xferlen=%u\n",
2159: sc->sc_dev.dv_xname, m0->m_pkthdr.len, rate, xferlen));
2160:
2161: m_freem(m0); /* mbuf no longer needed */
2162:
2163: usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data,
2164: data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
2165: ZYD_TX_TIMEOUT, zyd_txeof);
2166: error = usbd_transfer(data->xfer);
2167: if (error != USBD_IN_PROGRESS && error != 0) {
2168: ifp->if_oerrors++;
2169: return EIO;
2170: }
2171: sc->tx_queued++;
2172:
2173: return 0;
2174: }
2175:
2176: void
2177: zyd_start(struct ifnet *ifp)
2178: {
2179: struct zyd_softc *sc = ifp->if_softc;
2180: struct ieee80211com *ic = &sc->sc_ic;
2181: struct ieee80211_node *ni;
2182: struct mbuf *m0;
2183:
2184: /*
2185: * net80211 may still try to send management frames even if the
2186: * IFF_RUNNING flag is not set...
2187: */
2188: if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
2189: return;
2190:
2191: for (;;) {
2192: IF_POLL(&ic->ic_mgtq, m0);
2193: if (m0 != NULL) {
2194: if (sc->tx_queued >= ZYD_TX_LIST_CNT) {
2195: ifp->if_flags |= IFF_OACTIVE;
2196: break;
2197: }
2198: IF_DEQUEUE(&ic->ic_mgtq, m0);
2199:
2200: ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif;
2201: m0->m_pkthdr.rcvif = NULL;
2202: #if NBPFILTER > 0
2203: if (ic->ic_rawbpf != NULL)
2204: bpf_mtap(ic->ic_rawbpf, m0, BPF_DIRECTION_OUT);
2205: #endif
2206: if (zyd_tx_data(sc, m0, ni) != 0)
2207: break;
2208: } else {
2209: if (ic->ic_state != IEEE80211_S_RUN)
2210: break;
2211: IFQ_POLL(&ifp->if_snd, m0);
2212: if (m0 == NULL)
2213: break;
2214: if (sc->tx_queued >= ZYD_TX_LIST_CNT) {
2215: ifp->if_flags |= IFF_OACTIVE;
2216: break;
2217: }
2218: IFQ_DEQUEUE(&ifp->if_snd, m0);
2219: #if NBPFILTER > 0
2220: if (ifp->if_bpf != NULL)
2221: bpf_mtap(ifp->if_bpf, m0, BPF_DIRECTION_OUT);
2222: #endif
2223: if ((m0 = ieee80211_encap(ifp, m0, &ni)) == NULL) {
2224: ifp->if_oerrors++;
2225: continue;
2226: }
2227: #if NBPFILTER > 0
2228: if (ic->ic_rawbpf != NULL)
2229: bpf_mtap(ic->ic_rawbpf, m0, BPF_DIRECTION_OUT);
2230: #endif
2231: if (zyd_tx_data(sc, m0, ni) != 0) {
2232: if (ni != NULL)
2233: ieee80211_release_node(ic, ni);
2234: ifp->if_oerrors++;
2235: break;
2236: }
2237: }
2238:
2239: sc->tx_timer = 5;
2240: ifp->if_timer = 1;
2241: }
2242: }
2243:
2244: void
2245: zyd_watchdog(struct ifnet *ifp)
2246: {
2247: struct zyd_softc *sc = ifp->if_softc;
2248:
2249: ifp->if_timer = 0;
2250:
2251: if (sc->tx_timer > 0) {
2252: if (--sc->tx_timer == 0) {
2253: printf("%s: device timeout\n", sc->sc_dev.dv_xname);
2254: /* zyd_init(ifp); XXX needs a process context ? */
2255: ifp->if_oerrors++;
2256: return;
2257: }
2258: ifp->if_timer = 1;
2259: }
2260:
2261: ieee80211_watchdog(ifp);
2262: }
2263:
2264: int
2265: zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
2266: {
2267: struct zyd_softc *sc = ifp->if_softc;
2268: struct ieee80211com *ic = &sc->sc_ic;
2269: struct ifaddr *ifa;
2270: struct ifreq *ifr;
2271: int s, error = 0;
2272:
2273: s = splnet();
2274:
2275: switch (cmd) {
2276: case SIOCSIFADDR:
2277: ifa = (struct ifaddr *)data;
2278: ifp->if_flags |= IFF_UP;
2279: #ifdef INET
2280: if (ifa->ifa_addr->sa_family == AF_INET)
2281: arp_ifinit(&ic->ic_ac, ifa);
2282: #endif
2283: /* FALLTHROUGH */
2284: case SIOCSIFFLAGS:
2285: if (ifp->if_flags & IFF_UP) {
2286: if (!(ifp->if_flags & IFF_RUNNING))
2287: zyd_init(ifp);
2288: } else {
2289: if (ifp->if_flags & IFF_RUNNING)
2290: zyd_stop(ifp, 1);
2291: }
2292: break;
2293:
2294: case SIOCADDMULTI:
2295: case SIOCDELMULTI:
2296: ifr = (struct ifreq *)data;
2297: error = (cmd == SIOCADDMULTI) ?
2298: ether_addmulti(ifr, &ic->ic_ac) :
2299: ether_delmulti(ifr, &ic->ic_ac);
2300: if (error == ENETRESET)
2301: error = 0;
2302: break;
2303:
2304: case SIOCS80211CHANNEL:
2305: /*
2306: * This allows for fast channel switching in monitor mode
2307: * (used by kismet). In IBSS mode, we must explicitly reset
2308: * the interface to generate a new beacon frame.
2309: */
2310: error = ieee80211_ioctl(ifp, cmd, data);
2311: if (error == ENETRESET &&
2312: ic->ic_opmode == IEEE80211_M_MONITOR) {
2313: zyd_set_chan(sc, ic->ic_ibss_chan);
2314: error = 0;
2315: }
2316: break;
2317:
2318: default:
2319: error = ieee80211_ioctl(ifp, cmd, data);
2320: }
2321:
2322: if (error == ENETRESET) {
2323: if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) ==
2324: (IFF_RUNNING | IFF_UP))
2325: zyd_init(ifp);
2326: error = 0;
2327: }
2328:
2329: splx(s);
2330:
2331: return error;
2332: }
2333:
2334: int
2335: zyd_init(struct ifnet *ifp)
2336: {
2337: struct zyd_softc *sc = ifp->if_softc;
2338: struct ieee80211com *ic = &sc->sc_ic;
2339: int i, error;
2340:
2341: zyd_stop(ifp, 0);
2342:
2343: IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl));
2344: DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr)));
2345: error = zyd_set_macaddr(sc, ic->ic_myaddr);
2346: if (error != 0)
2347: return error;
2348:
2349: /* we'll do software WEP decryption for now */
2350: DPRINTF(("setting encryption type\n"));
2351: error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER);
2352: if (error != 0)
2353: return error;
2354:
2355: /* promiscuous mode */
2356: (void)zyd_write32(sc, ZYD_MAC_SNIFFER,
2357: (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0);
2358:
2359: (void)zyd_set_rxfilter(sc);
2360:
2361: /* switch radio transmitter ON */
2362: (void)zyd_switch_radio(sc, 1);
2363:
2364: /* set basic rates */
2365: if (ic->ic_curmode == IEEE80211_MODE_11B)
2366: (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003);
2367: else if (ic->ic_curmode == IEEE80211_MODE_11A)
2368: (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500);
2369: else /* assumes 802.11b/g */
2370: (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f);
2371:
2372: /* set mandatory rates */
2373: if (ic->ic_curmode == IEEE80211_MODE_11B)
2374: (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f);
2375: else if (ic->ic_curmode == IEEE80211_MODE_11A)
2376: (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500);
2377: else /* assumes 802.11b/g */
2378: (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f);
2379:
2380: /* set default BSS channel */
2381: ic->ic_bss->ni_chan = ic->ic_ibss_chan;
2382: zyd_set_chan(sc, ic->ic_bss->ni_chan);
2383:
2384: /* enable interrupts */
2385: (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK);
2386:
2387: /*
2388: * Allocate Tx and Rx xfer queues.
2389: */
2390: if ((error = zyd_alloc_tx_list(sc)) != 0) {
2391: printf("%s: could not allocate Tx list\n",
2392: sc->sc_dev.dv_xname);
2393: goto fail;
2394: }
2395: if ((error = zyd_alloc_rx_list(sc)) != 0) {
2396: printf("%s: could not allocate Rx list\n",
2397: sc->sc_dev.dv_xname);
2398: goto fail;
2399: }
2400:
2401: /*
2402: * Start up the receive pipe.
2403: */
2404: for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
2405: struct zyd_rx_data *data = &sc->rx_data[i];
2406:
2407: usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data,
2408: NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK,
2409: USBD_NO_TIMEOUT, zyd_rxeof);
2410: error = usbd_transfer(data->xfer);
2411: if (error != USBD_IN_PROGRESS && error != 0) {
2412: printf("%s: could not queue Rx transfer\n",
2413: sc->sc_dev.dv_xname);
2414: goto fail;
2415: }
2416: }
2417:
2418: ifp->if_flags &= ~IFF_OACTIVE;
2419: ifp->if_flags |= IFF_RUNNING;
2420:
2421: if (ic->ic_opmode == IEEE80211_M_MONITOR)
2422: ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
2423: else
2424: ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
2425:
2426: return 0;
2427:
2428: fail: zyd_stop(ifp, 1);
2429: return error;
2430: }
2431:
2432: void
2433: zyd_stop(struct ifnet *ifp, int disable)
2434: {
2435: struct zyd_softc *sc = ifp->if_softc;
2436: struct ieee80211com *ic = &sc->sc_ic;
2437:
2438: sc->tx_timer = 0;
2439: ifp->if_timer = 0;
2440: ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
2441:
2442: ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */
2443:
2444: /* switch radio transmitter OFF */
2445: (void)zyd_switch_radio(sc, 0);
2446:
2447: /* disable Rx */
2448: (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0);
2449:
2450: /* disable interrupts */
2451: (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0);
2452:
2453: usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]);
2454: usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]);
2455:
2456: zyd_free_rx_list(sc);
2457: zyd_free_tx_list(sc);
2458: }
2459:
2460: int
2461: zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size)
2462: {
2463: usb_device_request_t req;
2464: uint16_t addr;
2465: uint8_t stat;
2466:
2467: DPRINTF(("firmware size=%d\n", size));
2468:
2469: req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
2470: req.bRequest = ZYD_DOWNLOADREQ;
2471: USETW(req.wIndex, 0);
2472:
2473: addr = ZYD_FIRMWARE_START_ADDR;
2474: while (size > 0) {
2475: const int mlen = min(size, 4096);
2476:
2477: DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen,
2478: addr));
2479:
2480: USETW(req.wValue, addr);
2481: USETW(req.wLength, mlen);
2482: if (usbd_do_request(sc->sc_udev, &req, fw) != 0)
2483: return EIO;
2484:
2485: addr += mlen / 2;
2486: fw += mlen;
2487: size -= mlen;
2488: }
2489:
2490: /* check whether the upload succeeded */
2491: req.bmRequestType = UT_READ_VENDOR_DEVICE;
2492: req.bRequest = ZYD_DOWNLOADSTS;
2493: USETW(req.wValue, 0);
2494: USETW(req.wIndex, 0);
2495: USETW(req.wLength, sizeof stat);
2496: if (usbd_do_request(sc->sc_udev, &req, &stat) != 0)
2497: return EIO;
2498:
2499: return (stat & 0x80) ? EIO : 0;
2500: }
2501:
2502: void
2503: zyd_iter_func(void *arg, struct ieee80211_node *ni)
2504: {
2505: struct zyd_softc *sc = arg;
2506: struct zyd_node *zn = (struct zyd_node *)ni;
2507:
2508: ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn);
2509: }
2510:
2511: void
2512: zyd_amrr_timeout(void *arg)
2513: {
2514: struct zyd_softc *sc = arg;
2515: struct ieee80211com *ic = &sc->sc_ic;
2516: int s;
2517:
2518: s = splnet();
2519: if (ic->ic_opmode == IEEE80211_M_STA)
2520: zyd_iter_func(sc, ic->ic_bss);
2521: else
2522: ieee80211_iterate_nodes(ic, zyd_iter_func, sc);
2523: splx(s);
2524:
2525: timeout_add(&sc->amrr_to, hz);
2526: }
2527:
2528: void
2529: zyd_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
2530: {
2531: struct zyd_softc *sc = ic->ic_softc;
2532: int i;
2533:
2534: ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn);
2535:
2536: /* set rate to some reasonable initial value */
2537: for (i = ni->ni_rates.rs_nrates - 1;
2538: i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72;
2539: i--);
2540: ni->ni_txrate = i;
2541: }
2542:
2543: int
2544: zyd_activate(struct device *self, enum devact act)
2545: {
2546: switch (act) {
2547: case DVACT_ACTIVATE:
2548: break;
2549:
2550: case DVACT_DEACTIVATE:
2551: break;
2552: }
2553: return 0;
2554: }
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