if_zyd.c revision 1.29.6.1
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.29.6.1 2012/04/05 21:33:33 mrg Exp $ */ 3 4 /*- 5 * Copyright (c) 2006 by Damien Bergamini <damien.bergamini (at) free.fr> 6 * Copyright (c) 2006 by Florian Stoehr <ich (at) florian-stoehr.de> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /* 22 * ZyDAS ZD1211/ZD1211B USB WLAN driver. 23 */ 24 #include <sys/cdefs.h> 25 __KERNEL_RCSID(0, "$NetBSD: if_zyd.c,v 1.29.6.1 2012/04/05 21:33:33 mrg Exp $"); 26 27 28 #include <sys/param.h> 29 #include <sys/sockio.h> 30 #include <sys/proc.h> 31 #include <sys/mbuf.h> 32 #include <sys/kernel.h> 33 #include <sys/socket.h> 34 #include <sys/systm.h> 35 #include <sys/malloc.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 39 #include <sys/bus.h> 40 #include <machine/endian.h> 41 42 #include <net/bpf.h> 43 #include <net/if.h> 44 #include <net/if_arp.h> 45 #include <net/if_dl.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 #include <net/if_types.h> 49 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/in_var.h> 53 #include <netinet/ip.h> 54 55 #include <net80211/ieee80211_netbsd.h> 56 #include <net80211/ieee80211_var.h> 57 #include <net80211/ieee80211_amrr.h> 58 #include <net80211/ieee80211_radiotap.h> 59 60 #include <dev/firmload.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(ASUSTEK, WL159G), 99 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 100 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 101 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 102 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 103 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 104 ZYD_ZD1211_DEV(SAGEM, XG760A), 105 ZYD_ZD1211_DEV(SENAO, NUB8301), 106 ZYD_ZD1211_DEV(SITECOMEU, WL113), 107 ZYD_ZD1211_DEV(SWEEX, ZD1211), 108 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 109 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 110 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 111 ZYD_ZD1211_DEV(TWINMOS, G240), 112 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 113 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 114 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 115 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 116 ZYD_ZD1211_DEV(ZCOM, ZD1211), 117 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 118 ZYD_ZD1211_DEV(ZYXEL, AG225H), 119 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 120 121 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 122 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 123 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 124 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 125 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 126 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 127 ZYD_ZD1211B_DEV(CYBERTAN, ZD1211B), 128 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 129 ZYD_ZD1211B_DEV(MELCO, KG54L), 130 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 131 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 132 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 133 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 134 #if 0 /* Shall we needs? */ 135 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 136 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 137 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 138 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 139 #endif 140 ZYD_ZD1211B_DEV(USR, USR5423), 141 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 142 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 143 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 144 ZYD_ZD1211B_DEV(ZYXEL, M202), 145 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 146 ZYD_ZD1211B_DEV(PLANEX2, GWUS54GXS), 147 }; 148 #define zyd_lookup(v, p) \ 149 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 150 151 int zyd_match(device_t, cfdata_t, void *); 152 void zyd_attach(device_t, device_t, void *); 153 int zyd_detach(device_t, int); 154 int zyd_activate(device_t, enum devact); 155 extern struct cfdriver zyd_cd; 156 157 CFATTACH_DECL_NEW(zyd, sizeof(struct zyd_softc), zyd_match, 158 zyd_attach, zyd_detach, zyd_activate); 159 160 Static void zyd_attachhook(device_t); 161 Static int zyd_complete_attach(struct zyd_softc *); 162 Static int zyd_open_pipes(struct zyd_softc *); 163 Static void zyd_close_pipes(struct zyd_softc *); 164 Static int zyd_alloc_tx_list(struct zyd_softc *); 165 Static void zyd_free_tx_list(struct zyd_softc *); 166 Static int zyd_alloc_rx_list(struct zyd_softc *); 167 Static void zyd_free_rx_list(struct zyd_softc *); 168 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 169 Static int zyd_media_change(struct ifnet *); 170 Static void zyd_next_scan(void *); 171 Static void zyd_task(void *); 172 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 173 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 174 void *, int, u_int); 175 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 176 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 177 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 178 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 179 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 180 Static void zyd_lock_phy(struct zyd_softc *); 181 Static void zyd_unlock_phy(struct zyd_softc *); 182 Static int zyd_rfmd_init(struct zyd_rf *); 183 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 184 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 185 Static int zyd_al2230_init(struct zyd_rf *); 186 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 187 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 188 Static int zyd_al2230_init_b(struct zyd_rf *); 189 Static int zyd_al7230B_init(struct zyd_rf *); 190 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 191 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 192 Static int zyd_al2210_init(struct zyd_rf *); 193 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 194 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 195 Static int zyd_gct_init(struct zyd_rf *); 196 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 197 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 198 Static int zyd_maxim_init(struct zyd_rf *); 199 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 200 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 201 Static int zyd_maxim2_init(struct zyd_rf *); 202 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 203 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 204 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 205 Static const char *zyd_rf_name(uint8_t); 206 Static int zyd_hw_init(struct zyd_softc *); 207 Static int zyd_read_eeprom(struct zyd_softc *); 208 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 209 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 210 Static int zyd_switch_radio(struct zyd_softc *, int); 211 Static void zyd_set_led(struct zyd_softc *, int, int); 212 Static int zyd_set_rxfilter(struct zyd_softc *); 213 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 214 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 215 Static uint8_t zyd_plcp_signal(int); 216 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 217 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 218 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 219 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 220 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 221 struct ieee80211_node *); 222 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 223 struct ieee80211_node *); 224 Static void zyd_start(struct ifnet *); 225 Static void zyd_watchdog(struct ifnet *); 226 Static int zyd_ioctl(struct ifnet *, u_long, void *); 227 Static int zyd_init(struct ifnet *); 228 Static void zyd_stop(struct ifnet *, int); 229 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 230 Static void zyd_iter_func(void *, struct ieee80211_node *); 231 Static void zyd_amrr_timeout(void *); 232 Static void zyd_newassoc(struct ieee80211_node *, int); 233 234 static const struct ieee80211_rateset zyd_rateset_11b = 235 { 4, { 2, 4, 11, 22 } }; 236 237 static const struct ieee80211_rateset zyd_rateset_11g = 238 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 239 240 int 241 zyd_match(device_t parent, cfdata_t match, void *aux) 242 { 243 struct usb_attach_arg *uaa = aux; 244 245 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 246 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 247 } 248 249 Static void 250 zyd_attachhook(device_t self) 251 { 252 struct zyd_softc *sc = device_private(self); 253 firmware_handle_t fwh; 254 const char *fwname; 255 u_char *fw; 256 size_t size; 257 int error; 258 259 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 260 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 261 aprint_error_dev(sc->sc_dev, 262 "failed to open firmware %s (error=%d)\n", fwname, error); 263 return; 264 } 265 size = firmware_get_size(fwh); 266 fw = firmware_malloc(size); 267 if (fw == NULL) { 268 aprint_error_dev(sc->sc_dev, 269 "failed to allocate firmware memory\n"); 270 firmware_close(fwh); 271 return; 272 } 273 error = firmware_read(fwh, 0, fw, size); 274 firmware_close(fwh); 275 if (error != 0) { 276 aprint_error_dev(sc->sc_dev, 277 "failed to read firmware (error %d)\n", error); 278 firmware_free(fw, 0); 279 return; 280 } 281 282 error = zyd_loadfirmware(sc, fw, size); 283 if (error != 0) { 284 aprint_error_dev(sc->sc_dev, 285 "could not load firmware (error=%d)\n", error); 286 firmware_free(fw, 0); 287 return; 288 } 289 290 firmware_free(fw, 0); 291 sc->sc_flags |= ZD1211_FWLOADED; 292 293 /* complete the attach process */ 294 if ((error = zyd_complete_attach(sc)) == 0) 295 sc->attached = 1; 296 return; 297 } 298 299 void 300 zyd_attach(device_t parent, device_t self, void *aux) 301 { 302 struct zyd_softc *sc = device_private(self); 303 struct usb_attach_arg *uaa = aux; 304 char *devinfop; 305 usb_device_descriptor_t* ddesc; 306 struct ifnet *ifp = &sc->sc_if; 307 308 sc->sc_dev = self; 309 sc->sc_udev = uaa->device; 310 sc->sc_flags = 0; 311 312 aprint_naive("\n"); 313 aprint_normal("\n"); 314 315 devinfop = usbd_devinfo_alloc(uaa->device, 0); 316 aprint_normal_dev(self, "%s\n", devinfop); 317 usbd_devinfo_free(devinfop); 318 319 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 320 321 ddesc = usbd_get_device_descriptor(sc->sc_udev); 322 if (UGETW(ddesc->bcdDevice) < 0x4330) { 323 aprint_error_dev(self, "device version mismatch: 0x%x " 324 "(only >= 43.30 supported)\n", UGETW(ddesc->bcdDevice)); 325 return; 326 } 327 328 ifp->if_softc = sc; 329 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 330 ifp->if_init = zyd_init; 331 ifp->if_ioctl = zyd_ioctl; 332 ifp->if_start = zyd_start; 333 ifp->if_watchdog = zyd_watchdog; 334 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 335 IFQ_SET_READY(&ifp->if_snd); 336 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 337 338 SIMPLEQ_INIT(&sc->sc_rqh); 339 340 /* defer configrations after file system is ready to load firmware */ 341 config_mountroot(self, zyd_attachhook); 342 } 343 344 Static int 345 zyd_complete_attach(struct zyd_softc *sc) 346 { 347 struct ieee80211com *ic = &sc->sc_ic; 348 struct ifnet *ifp = &sc->sc_if; 349 usbd_status error; 350 int i; 351 352 usb_init_task(&sc->sc_task, zyd_task, sc); 353 callout_init(&(sc->sc_scan_ch), 0); 354 355 sc->amrr.amrr_min_success_threshold = 1; 356 sc->amrr.amrr_max_success_threshold = 10; 357 callout_init(&sc->sc_amrr_ch, 0); 358 359 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 360 if (error != 0) { 361 aprint_error_dev(sc->sc_dev, "setting config no failed\n"); 362 goto fail; 363 } 364 365 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 366 &sc->sc_iface); 367 if (error != 0) { 368 aprint_error_dev(sc->sc_dev, 369 "getting interface handle failed\n"); 370 goto fail; 371 } 372 373 if ((error = zyd_open_pipes(sc)) != 0) { 374 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 375 goto fail; 376 } 377 378 if ((error = zyd_read_eeprom(sc)) != 0) { 379 aprint_error_dev(sc->sc_dev, "could not read EEPROM\n"); 380 goto fail; 381 } 382 383 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 384 aprint_error_dev(sc->sc_dev, "could not attach RF\n"); 385 goto fail; 386 } 387 388 if ((error = zyd_hw_init(sc)) != 0) { 389 aprint_error_dev(sc->sc_dev, 390 "hardware initialization failed\n"); 391 goto fail; 392 } 393 394 aprint_normal_dev(sc->sc_dev, 395 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 396 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 397 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 398 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 399 400 ic->ic_ifp = ifp; 401 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 402 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 403 ic->ic_state = IEEE80211_S_INIT; 404 405 /* set device capabilities */ 406 ic->ic_caps = 407 IEEE80211_C_MONITOR | /* monitor mode supported */ 408 IEEE80211_C_TXPMGT | /* tx power management */ 409 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 410 IEEE80211_C_WEP; /* s/w WEP */ 411 412 /* set supported .11b and .11g rates */ 413 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 414 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 415 416 /* set supported .11b and .11g channels (1 through 14) */ 417 for (i = 1; i <= 14; i++) { 418 ic->ic_channels[i].ic_freq = 419 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 420 ic->ic_channels[i].ic_flags = 421 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 422 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 423 } 424 425 if_attach(ifp); 426 ieee80211_ifattach(ic); 427 ic->ic_node_alloc = zyd_node_alloc; 428 ic->ic_newassoc = zyd_newassoc; 429 430 /* override state transition machine */ 431 sc->sc_newstate = ic->ic_newstate; 432 ic->ic_newstate = zyd_newstate; 433 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 434 435 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 436 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 437 &sc->sc_drvbpf); 438 439 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 440 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 441 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 442 443 sc->sc_txtap_len = sizeof sc->sc_txtapu; 444 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 445 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 446 447 ieee80211_announce(ic); 448 449 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 450 451 fail: return error; 452 } 453 454 int 455 zyd_detach(device_t self, int flags) 456 { 457 struct zyd_softc *sc = device_private(self); 458 struct ieee80211com *ic = &sc->sc_ic; 459 struct ifnet *ifp = &sc->sc_if; 460 int s; 461 462 if (!sc->attached) 463 return 0; 464 465 s = splusb(); 466 467 zyd_stop(ifp, 1); 468 usb_rem_task(sc->sc_udev, &sc->sc_task); 469 callout_stop(&sc->sc_scan_ch); 470 callout_stop(&sc->sc_amrr_ch); 471 472 zyd_close_pipes(sc); 473 474 sc->attached = 0; 475 476 bpf_detach(ifp); 477 ieee80211_ifdetach(ic); 478 if_detach(ifp); 479 480 splx(s); 481 482 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 483 sc->sc_dev); 484 485 return 0; 486 } 487 488 Static int 489 zyd_open_pipes(struct zyd_softc *sc) 490 { 491 usb_endpoint_descriptor_t *edesc; 492 int isize; 493 usbd_status error; 494 495 /* interrupt in */ 496 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 497 if (edesc == NULL) 498 return EINVAL; 499 500 isize = UGETW(edesc->wMaxPacketSize); 501 if (isize == 0) /* should not happen */ 502 return EINVAL; 503 504 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 505 if (sc->ibuf == NULL) 506 return ENOMEM; 507 508 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 509 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 510 USBD_DEFAULT_INTERVAL); 511 if (error != 0) { 512 printf("%s: open rx intr pipe failed: %s\n", 513 device_xname(sc->sc_dev), usbd_errstr(error)); 514 goto fail; 515 } 516 517 /* interrupt out (not necessarily an interrupt pipe) */ 518 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 519 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 520 if (error != 0) { 521 printf("%s: open tx intr pipe failed: %s\n", 522 device_xname(sc->sc_dev), usbd_errstr(error)); 523 goto fail; 524 } 525 526 /* bulk in */ 527 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 528 &sc->zyd_ep[ZYD_ENDPT_BIN]); 529 if (error != 0) { 530 printf("%s: open rx pipe failed: %s\n", 531 device_xname(sc->sc_dev), usbd_errstr(error)); 532 goto fail; 533 } 534 535 /* bulk out */ 536 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 537 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 538 if (error != 0) { 539 printf("%s: open tx pipe failed: %s\n", 540 device_xname(sc->sc_dev), usbd_errstr(error)); 541 goto fail; 542 } 543 544 return 0; 545 546 fail: zyd_close_pipes(sc); 547 return error; 548 } 549 550 Static void 551 zyd_close_pipes(struct zyd_softc *sc) 552 { 553 int i; 554 555 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 556 if (sc->zyd_ep[i] != NULL) { 557 usbd_abort_pipe(sc->zyd_ep[i]); 558 usbd_close_pipe(sc->zyd_ep[i]); 559 sc->zyd_ep[i] = NULL; 560 } 561 } 562 if (sc->ibuf != NULL) { 563 free(sc->ibuf, M_USBDEV); 564 sc->ibuf = NULL; 565 } 566 } 567 568 Static int 569 zyd_alloc_tx_list(struct zyd_softc *sc) 570 { 571 int i, error; 572 573 sc->tx_queued = 0; 574 575 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 576 struct zyd_tx_data *data = &sc->tx_data[i]; 577 578 data->sc = sc; /* backpointer for callbacks */ 579 580 data->xfer = usbd_alloc_xfer(sc->sc_udev); 581 if (data->xfer == NULL) { 582 printf("%s: could not allocate tx xfer\n", 583 device_xname(sc->sc_dev)); 584 error = ENOMEM; 585 goto fail; 586 } 587 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 588 if (data->buf == NULL) { 589 printf("%s: could not allocate tx buffer\n", 590 device_xname(sc->sc_dev)); 591 error = ENOMEM; 592 goto fail; 593 } 594 595 /* clear Tx descriptor */ 596 memset(data->buf, 0, sizeof (struct zyd_tx_desc)); 597 } 598 return 0; 599 600 fail: zyd_free_tx_list(sc); 601 return error; 602 } 603 604 Static void 605 zyd_free_tx_list(struct zyd_softc *sc) 606 { 607 int i; 608 609 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 610 struct zyd_tx_data *data = &sc->tx_data[i]; 611 612 if (data->xfer != NULL) { 613 usbd_free_xfer(data->xfer); 614 data->xfer = NULL; 615 } 616 if (data->ni != NULL) { 617 ieee80211_free_node(data->ni); 618 data->ni = NULL; 619 } 620 } 621 } 622 623 Static int 624 zyd_alloc_rx_list(struct zyd_softc *sc) 625 { 626 int i, error; 627 628 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 629 struct zyd_rx_data *data = &sc->rx_data[i]; 630 631 data->sc = sc; /* backpointer for callbacks */ 632 633 data->xfer = usbd_alloc_xfer(sc->sc_udev); 634 if (data->xfer == NULL) { 635 printf("%s: could not allocate rx xfer\n", 636 device_xname(sc->sc_dev)); 637 error = ENOMEM; 638 goto fail; 639 } 640 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 641 if (data->buf == NULL) { 642 printf("%s: could not allocate rx buffer\n", 643 device_xname(sc->sc_dev)); 644 error = ENOMEM; 645 goto fail; 646 } 647 } 648 return 0; 649 650 fail: zyd_free_rx_list(sc); 651 return error; 652 } 653 654 Static void 655 zyd_free_rx_list(struct zyd_softc *sc) 656 { 657 int i; 658 659 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 660 struct zyd_rx_data *data = &sc->rx_data[i]; 661 662 if (data->xfer != NULL) { 663 usbd_free_xfer(data->xfer); 664 data->xfer = NULL; 665 } 666 } 667 } 668 669 /* ARGUSED */ 670 Static struct ieee80211_node * 671 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 672 { 673 struct zyd_node *zn; 674 675 zn = malloc(sizeof (struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 676 677 return &zn->ni; 678 } 679 680 Static int 681 zyd_media_change(struct ifnet *ifp) 682 { 683 int error; 684 685 error = ieee80211_media_change(ifp); 686 if (error != ENETRESET) 687 return error; 688 689 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 690 zyd_init(ifp); 691 692 return 0; 693 } 694 695 /* 696 * This function is called periodically (every 200ms) during scanning to 697 * switch from one channel to another. 698 */ 699 Static void 700 zyd_next_scan(void *arg) 701 { 702 struct zyd_softc *sc = arg; 703 struct ieee80211com *ic = &sc->sc_ic; 704 705 if (ic->ic_state == IEEE80211_S_SCAN) 706 ieee80211_next_scan(ic); 707 } 708 709 Static void 710 zyd_task(void *arg) 711 { 712 struct zyd_softc *sc = arg; 713 struct ieee80211com *ic = &sc->sc_ic; 714 enum ieee80211_state ostate; 715 716 ostate = ic->ic_state; 717 718 switch (sc->sc_state) { 719 case IEEE80211_S_INIT: 720 if (ostate == IEEE80211_S_RUN) { 721 /* turn link LED off */ 722 zyd_set_led(sc, ZYD_LED1, 0); 723 724 /* stop data LED from blinking */ 725 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 726 } 727 break; 728 729 case IEEE80211_S_SCAN: 730 zyd_set_chan(sc, ic->ic_curchan); 731 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 732 break; 733 734 case IEEE80211_S_AUTH: 735 case IEEE80211_S_ASSOC: 736 zyd_set_chan(sc, ic->ic_curchan); 737 break; 738 739 case IEEE80211_S_RUN: 740 { 741 struct ieee80211_node *ni = ic->ic_bss; 742 743 zyd_set_chan(sc, ic->ic_curchan); 744 745 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 746 /* turn link LED on */ 747 zyd_set_led(sc, ZYD_LED1, 1); 748 749 /* make data LED blink upon Tx */ 750 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 751 752 zyd_set_bssid(sc, ni->ni_bssid); 753 } 754 755 if (ic->ic_opmode == IEEE80211_M_STA) { 756 /* fake a join to init the tx rate */ 757 zyd_newassoc(ni, 1); 758 } 759 760 /* start automatic rate control timer */ 761 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 762 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 763 764 break; 765 } 766 } 767 768 sc->sc_newstate(ic, sc->sc_state, -1); 769 } 770 771 Static int 772 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 773 { 774 struct zyd_softc *sc = ic->ic_ifp->if_softc; 775 776 if (!sc->attached) 777 return ENXIO; 778 779 usb_rem_task(sc->sc_udev, &sc->sc_task); 780 callout_stop(&sc->sc_scan_ch); 781 callout_stop(&sc->sc_amrr_ch); 782 783 /* do it in a process context */ 784 sc->sc_state = nstate; 785 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 786 787 return 0; 788 } 789 790 Static int 791 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 792 void *odata, int olen, u_int flags) 793 { 794 usbd_xfer_handle xfer; 795 struct zyd_cmd cmd; 796 struct rq rq; 797 uint16_t xferflags; 798 usbd_status error; 799 int s = 0; 800 801 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 802 return ENOMEM; 803 804 cmd.code = htole16(code); 805 bcopy(idata, cmd.data, ilen); 806 807 xferflags = USBD_FORCE_SHORT_XFER; 808 if (!(flags & ZYD_CMD_FLAG_READ)) 809 xferflags |= USBD_SYNCHRONOUS; 810 else { 811 s = splusb(); 812 rq.idata = idata; 813 rq.odata = odata; 814 rq.len = olen / sizeof (struct zyd_pair); 815 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 816 } 817 818 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 819 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 820 error = usbd_transfer(xfer); 821 if (error != USBD_IN_PROGRESS && error != 0) { 822 if (flags & ZYD_CMD_FLAG_READ) 823 splx(s); 824 printf("%s: could not send command (error=%s)\n", 825 device_xname(sc->sc_dev), usbd_errstr(error)); 826 (void)usbd_free_xfer(xfer); 827 return EIO; 828 } 829 if (!(flags & ZYD_CMD_FLAG_READ)) { 830 (void)usbd_free_xfer(xfer); 831 return 0; /* write: don't wait for reply */ 832 } 833 /* wait at most one second for command reply */ 834 error = tsleep(odata, PCATCH, "zydcmd", hz); 835 if (error == EWOULDBLOCK) 836 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 837 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 838 splx(s); 839 840 (void)usbd_free_xfer(xfer); 841 return error; 842 } 843 844 Static int 845 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 846 { 847 struct zyd_pair tmp; 848 int error; 849 850 reg = htole16(reg); 851 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 852 ZYD_CMD_FLAG_READ); 853 if (error == 0) 854 *val = le16toh(tmp.val); 855 else 856 *val = 0; 857 return error; 858 } 859 860 Static int 861 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 862 { 863 struct zyd_pair tmp[2]; 864 uint16_t regs[2]; 865 int error; 866 867 regs[0] = htole16(ZYD_REG32_HI(reg)); 868 regs[1] = htole16(ZYD_REG32_LO(reg)); 869 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 870 ZYD_CMD_FLAG_READ); 871 if (error == 0) 872 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 873 else 874 *val = 0; 875 return error; 876 } 877 878 Static int 879 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 880 { 881 struct zyd_pair pair; 882 883 pair.reg = htole16(reg); 884 pair.val = htole16(val); 885 886 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 887 } 888 889 Static int 890 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 891 { 892 struct zyd_pair pair[2]; 893 894 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 895 pair[0].val = htole16(val >> 16); 896 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 897 pair[1].val = htole16(val & 0xffff); 898 899 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 900 } 901 902 Static int 903 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 904 { 905 struct zyd_rf *rf = &sc->sc_rf; 906 struct zyd_rfwrite req; 907 uint16_t cr203; 908 int i; 909 910 (void)zyd_read16(sc, ZYD_CR203, &cr203); 911 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 912 913 req.code = htole16(2); 914 req.width = htole16(rf->width); 915 for (i = 0; i < rf->width; i++) { 916 req.bit[i] = htole16(cr203); 917 if (val & (1 << (rf->width - 1 - i))) 918 req.bit[i] |= htole16(ZYD_RF_DATA); 919 } 920 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 921 } 922 923 Static void 924 zyd_lock_phy(struct zyd_softc *sc) 925 { 926 uint32_t tmp; 927 928 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 929 tmp &= ~ZYD_UNLOCK_PHY_REGS; 930 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 931 } 932 933 Static void 934 zyd_unlock_phy(struct zyd_softc *sc) 935 { 936 uint32_t tmp; 937 938 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 939 tmp |= ZYD_UNLOCK_PHY_REGS; 940 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 941 } 942 943 /* 944 * RFMD RF methods. 945 */ 946 Static int 947 zyd_rfmd_init(struct zyd_rf *rf) 948 { 949 struct zyd_softc *sc = rf->rf_sc; 950 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 951 static const uint32_t rfini[] = ZYD_RFMD_RF; 952 int error; 953 size_t i; 954 955 /* init RF-dependent PHY registers */ 956 for (i = 0; i < __arraycount(phyini); i++) { 957 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 958 if (error != 0) 959 return error; 960 } 961 962 /* init RFMD radio */ 963 for (i = 0; i < __arraycount(rfini); i++) { 964 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 965 return error; 966 } 967 return 0; 968 } 969 970 Static int 971 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 972 { 973 struct zyd_softc *sc = rf->rf_sc; 974 975 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 976 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 977 978 return 0; 979 } 980 981 Static int 982 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 983 { 984 struct zyd_softc *sc = rf->rf_sc; 985 static const struct { 986 uint32_t r1, r2; 987 } rfprog[] = ZYD_RFMD_CHANTABLE; 988 989 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 990 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 991 992 return 0; 993 } 994 995 /* 996 * AL2230 RF methods. 997 */ 998 Static int 999 zyd_al2230_init(struct zyd_rf *rf) 1000 { 1001 struct zyd_softc *sc = rf->rf_sc; 1002 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1003 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1004 static const uint32_t rfini[] = ZYD_AL2230_RF; 1005 int error; 1006 size_t i; 1007 1008 /* init RF-dependent PHY registers */ 1009 for (i = 0; i < __arraycount(phyini); i++) { 1010 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1011 if (error != 0) 1012 return error; 1013 } 1014 1015 if (sc->rf_rev == ZYD_RF_AL2230S) { 1016 for (i = 0; i < __arraycount(phy2230s); i++) { 1017 error = zyd_write16(sc, phy2230s[i].reg, 1018 phy2230s[i].val); 1019 if (error != 0) 1020 return error; 1021 } 1022 } 1023 1024 /* init AL2230 radio */ 1025 for (i = 0; i < __arraycount(rfini); i++) { 1026 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1027 return error; 1028 } 1029 return 0; 1030 } 1031 1032 Static int 1033 zyd_al2230_init_b(struct zyd_rf *rf) 1034 { 1035 struct zyd_softc *sc = rf->rf_sc; 1036 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1037 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1038 int error; 1039 size_t i; 1040 1041 /* init RF-dependent PHY registers */ 1042 for (i = 0; i < __arraycount(phyini); i++) { 1043 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1044 if (error != 0) 1045 return error; 1046 } 1047 1048 /* init AL2230 radio */ 1049 for (i = 0; i < __arraycount(rfini); i++) { 1050 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1051 return error; 1052 } 1053 return 0; 1054 } 1055 1056 Static int 1057 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1058 { 1059 struct zyd_softc *sc = rf->rf_sc; 1060 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1061 1062 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1063 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1064 1065 return 0; 1066 } 1067 1068 Static int 1069 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1070 { 1071 struct zyd_softc *sc = rf->rf_sc; 1072 static const struct { 1073 uint32_t r1, r2, r3; 1074 } rfprog[] = ZYD_AL2230_CHANTABLE; 1075 1076 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1077 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1078 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1079 1080 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1081 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1082 1083 return 0; 1084 } 1085 1086 /* 1087 * AL7230B RF methods. 1088 */ 1089 Static int 1090 zyd_al7230B_init(struct zyd_rf *rf) 1091 { 1092 struct zyd_softc *sc = rf->rf_sc; 1093 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1094 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1095 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1096 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1097 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1098 int error; 1099 size_t i; 1100 1101 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1102 1103 /* init RF-dependent PHY registers, part one */ 1104 for (i = 0; i < __arraycount(phyini_1); i++) { 1105 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1106 if (error != 0) 1107 return error; 1108 } 1109 /* init AL7230B radio, part one */ 1110 for (i = 0; i < __arraycount(rfini_1); i++) { 1111 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1112 return error; 1113 } 1114 /* init RF-dependent PHY registers, part two */ 1115 for (i = 0; i < __arraycount(phyini_2); i++) { 1116 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1117 if (error != 0) 1118 return error; 1119 } 1120 /* init AL7230B radio, part two */ 1121 for (i = 0; i < __arraycount(rfini_2); i++) { 1122 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1123 return error; 1124 } 1125 /* init RF-dependent PHY registers, part three */ 1126 for (i = 0; i < __arraycount(phyini_3); i++) { 1127 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1128 if (error != 0) 1129 return error; 1130 } 1131 1132 return 0; 1133 } 1134 1135 Static int 1136 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1137 { 1138 struct zyd_softc *sc = rf->rf_sc; 1139 1140 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1141 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1142 1143 return 0; 1144 } 1145 1146 Static int 1147 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1148 { 1149 struct zyd_softc *sc = rf->rf_sc; 1150 static const struct { 1151 uint32_t r1, r2; 1152 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1153 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1154 int error; 1155 size_t i; 1156 1157 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1158 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1159 1160 for (i = 0; i < __arraycount(rfsc); i++) { 1161 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1162 return error; 1163 } 1164 1165 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1166 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1167 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1168 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1169 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1170 1171 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1172 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1173 (void)zyd_rfwrite(sc, 0x3c9000); 1174 1175 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1176 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1177 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1178 1179 return 0; 1180 } 1181 1182 /* 1183 * AL2210 RF methods. 1184 */ 1185 Static int 1186 zyd_al2210_init(struct zyd_rf *rf) 1187 { 1188 struct zyd_softc *sc = rf->rf_sc; 1189 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1190 static const uint32_t rfini[] = ZYD_AL2210_RF; 1191 uint32_t tmp; 1192 int error; 1193 size_t i; 1194 1195 (void)zyd_write32(sc, ZYD_CR18, 2); 1196 1197 /* init RF-dependent PHY registers */ 1198 for (i = 0; i < __arraycount(phyini); i++) { 1199 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1200 if (error != 0) 1201 return error; 1202 } 1203 /* init AL2210 radio */ 1204 for (i = 0; i < __arraycount(rfini); i++) { 1205 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1206 return error; 1207 } 1208 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1209 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1210 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1211 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1212 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1213 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1214 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1215 (void)zyd_write32(sc, ZYD_CR18, 3); 1216 1217 return 0; 1218 } 1219 1220 Static int 1221 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1222 { 1223 /* vendor driver does nothing for this RF chip */ 1224 1225 return 0; 1226 } 1227 1228 Static int 1229 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1230 { 1231 struct zyd_softc *sc = rf->rf_sc; 1232 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1233 uint32_t tmp; 1234 1235 (void)zyd_write32(sc, ZYD_CR18, 2); 1236 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1237 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1238 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1239 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1240 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1241 1242 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1243 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1244 1245 /* actually set the channel */ 1246 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1247 1248 (void)zyd_write32(sc, ZYD_CR18, 3); 1249 1250 return 0; 1251 } 1252 1253 /* 1254 * GCT RF methods. 1255 */ 1256 Static int 1257 zyd_gct_init(struct zyd_rf *rf) 1258 { 1259 struct zyd_softc *sc = rf->rf_sc; 1260 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1261 static const uint32_t rfini[] = ZYD_GCT_RF; 1262 int error; 1263 size_t i; 1264 1265 /* init RF-dependent PHY registers */ 1266 for (i = 0; i < __arraycount(phyini); i++) { 1267 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1268 if (error != 0) 1269 return error; 1270 } 1271 /* init cgt radio */ 1272 for (i = 0; i < __arraycount(rfini); i++) { 1273 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1274 return error; 1275 } 1276 return 0; 1277 } 1278 1279 Static int 1280 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1281 { 1282 /* vendor driver does nothing for this RF chip */ 1283 1284 return 0; 1285 } 1286 1287 Static int 1288 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1289 { 1290 struct zyd_softc *sc = rf->rf_sc; 1291 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1292 1293 (void)zyd_rfwrite(sc, 0x1c0000); 1294 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1295 (void)zyd_rfwrite(sc, 0x1c0008); 1296 1297 return 0; 1298 } 1299 1300 /* 1301 * Maxim RF methods. 1302 */ 1303 Static int 1304 zyd_maxim_init(struct zyd_rf *rf) 1305 { 1306 struct zyd_softc *sc = rf->rf_sc; 1307 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1308 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1309 uint16_t tmp; 1310 int error; 1311 size_t i; 1312 1313 /* init RF-dependent PHY registers */ 1314 for (i = 0; i < __arraycount(phyini); i++) { 1315 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1316 if (error != 0) 1317 return error; 1318 } 1319 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1320 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1321 1322 /* init maxim radio */ 1323 for (i = 0; i < __arraycount(rfini); i++) { 1324 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1331 } 1332 1333 Static int 1334 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1335 { 1336 /* vendor driver does nothing for this RF chip */ 1337 1338 return 0; 1339 } 1340 1341 Static int 1342 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1343 { 1344 struct zyd_softc *sc = rf->rf_sc; 1345 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1346 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1347 static const struct { 1348 uint32_t r1, r2; 1349 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1350 uint16_t tmp; 1351 int error; 1352 size_t i; 1353 1354 /* 1355 * Do the same as we do when initializing it, except for the channel 1356 * values coming from the two channel tables. 1357 */ 1358 1359 /* init RF-dependent PHY registers */ 1360 for (i = 0; i < __arraycount(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 /* first two values taken from the chantables */ 1369 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1370 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1371 1372 /* init maxim radio - skipping the two first values */ 1373 for (i = 2; i < __arraycount(rfini); i++) { 1374 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1375 return error; 1376 } 1377 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1378 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1379 1380 return 0; 1381 } 1382 1383 /* 1384 * Maxim2 RF methods. 1385 */ 1386 Static int 1387 zyd_maxim2_init(struct zyd_rf *rf) 1388 { 1389 struct zyd_softc *sc = rf->rf_sc; 1390 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1391 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1392 uint16_t tmp; 1393 int error; 1394 size_t i; 1395 1396 /* init RF-dependent PHY registers */ 1397 for (i = 0; i < __arraycount(phyini); i++) { 1398 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1399 if (error != 0) 1400 return error; 1401 } 1402 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1403 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1404 1405 /* init maxim2 radio */ 1406 for (i = 0; i < __arraycount(rfini); i++) { 1407 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1408 return error; 1409 } 1410 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1411 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1412 1413 return 0; 1414 } 1415 1416 Static int 1417 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1418 { 1419 /* vendor driver does nothing for this RF chip */ 1420 1421 return 0; 1422 } 1423 1424 Static int 1425 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1426 { 1427 struct zyd_softc *sc = rf->rf_sc; 1428 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1429 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1430 static const struct { 1431 uint32_t r1, r2; 1432 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1433 uint16_t tmp; 1434 int error; 1435 size_t i; 1436 1437 /* 1438 * Do the same as we do when initializing it, except for the channel 1439 * values coming from the two channel tables. 1440 */ 1441 1442 /* init RF-dependent PHY registers */ 1443 for (i = 0; i < __arraycount(phyini); i++) { 1444 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1445 if (error != 0) 1446 return error; 1447 } 1448 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1449 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1450 1451 /* first two values taken from the chantables */ 1452 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1453 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1454 1455 /* init maxim2 radio - skipping the two first values */ 1456 for (i = 2; i < __arraycount(rfini); i++) { 1457 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1458 return error; 1459 } 1460 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1461 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1462 1463 return 0; 1464 } 1465 1466 Static int 1467 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1468 { 1469 struct zyd_rf *rf = &sc->sc_rf; 1470 1471 rf->rf_sc = sc; 1472 1473 switch (type) { 1474 case ZYD_RF_RFMD: 1475 rf->init = zyd_rfmd_init; 1476 rf->switch_radio = zyd_rfmd_switch_radio; 1477 rf->set_channel = zyd_rfmd_set_channel; 1478 rf->width = 24; /* 24-bit RF values */ 1479 break; 1480 case ZYD_RF_AL2230: 1481 case ZYD_RF_AL2230S: 1482 if (sc->mac_rev == ZYD_ZD1211B) 1483 rf->init = zyd_al2230_init_b; 1484 else 1485 rf->init = zyd_al2230_init; 1486 rf->switch_radio = zyd_al2230_switch_radio; 1487 rf->set_channel = zyd_al2230_set_channel; 1488 rf->width = 24; /* 24-bit RF values */ 1489 break; 1490 case ZYD_RF_AL7230B: 1491 rf->init = zyd_al7230B_init; 1492 rf->switch_radio = zyd_al7230B_switch_radio; 1493 rf->set_channel = zyd_al7230B_set_channel; 1494 rf->width = 24; /* 24-bit RF values */ 1495 break; 1496 case ZYD_RF_AL2210: 1497 rf->init = zyd_al2210_init; 1498 rf->switch_radio = zyd_al2210_switch_radio; 1499 rf->set_channel = zyd_al2210_set_channel; 1500 rf->width = 24; /* 24-bit RF values */ 1501 break; 1502 case ZYD_RF_GCT: 1503 rf->init = zyd_gct_init; 1504 rf->switch_radio = zyd_gct_switch_radio; 1505 rf->set_channel = zyd_gct_set_channel; 1506 rf->width = 21; /* 21-bit RF values */ 1507 break; 1508 case ZYD_RF_MAXIM_NEW: 1509 rf->init = zyd_maxim_init; 1510 rf->switch_radio = zyd_maxim_switch_radio; 1511 rf->set_channel = zyd_maxim_set_channel; 1512 rf->width = 18; /* 18-bit RF values */ 1513 break; 1514 case ZYD_RF_MAXIM_NEW2: 1515 rf->init = zyd_maxim2_init; 1516 rf->switch_radio = zyd_maxim2_switch_radio; 1517 rf->set_channel = zyd_maxim2_set_channel; 1518 rf->width = 18; /* 18-bit RF values */ 1519 break; 1520 default: 1521 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1522 device_xname(sc->sc_dev), zyd_rf_name(type)); 1523 return EINVAL; 1524 } 1525 return 0; 1526 } 1527 1528 Static const char * 1529 zyd_rf_name(uint8_t type) 1530 { 1531 static const char * const zyd_rfs[] = { 1532 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1533 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1534 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1535 "PHILIPS" 1536 }; 1537 1538 return zyd_rfs[(type > 15) ? 0 : type]; 1539 } 1540 1541 Static int 1542 zyd_hw_init(struct zyd_softc *sc) 1543 { 1544 struct zyd_rf *rf = &sc->sc_rf; 1545 const struct zyd_phy_pair *phyp; 1546 int error; 1547 1548 /* specify that the plug and play is finished */ 1549 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1550 1551 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1552 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1553 1554 /* retrieve firmware revision number */ 1555 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1556 1557 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1558 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1559 1560 /* disable interrupts */ 1561 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1562 1563 /* PHY init */ 1564 zyd_lock_phy(sc); 1565 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1566 for (; phyp->reg != 0; phyp++) { 1567 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1568 goto fail; 1569 } 1570 zyd_unlock_phy(sc); 1571 1572 /* HMAC init */ 1573 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1574 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1575 1576 if (sc->mac_rev == ZYD_ZD1211) { 1577 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1578 } else { 1579 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1580 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1581 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1582 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1583 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1584 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1585 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1586 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1587 } 1588 1589 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1590 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1591 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1592 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1593 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1594 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1595 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1596 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1597 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1598 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1599 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1600 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1601 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1602 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1603 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1604 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1605 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1606 1607 /* RF chip init */ 1608 zyd_lock_phy(sc); 1609 error = (*rf->init)(rf); 1610 zyd_unlock_phy(sc); 1611 if (error != 0) { 1612 printf("%s: radio initialization failed\n", 1613 device_xname(sc->sc_dev)); 1614 goto fail; 1615 } 1616 1617 /* init beacon interval to 100ms */ 1618 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1619 goto fail; 1620 1621 fail: return error; 1622 } 1623 1624 Static int 1625 zyd_read_eeprom(struct zyd_softc *sc) 1626 { 1627 struct ieee80211com *ic = &sc->sc_ic; 1628 uint32_t tmp; 1629 uint16_t val; 1630 int i; 1631 1632 /* read MAC address */ 1633 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1634 ic->ic_myaddr[0] = tmp & 0xff; 1635 ic->ic_myaddr[1] = tmp >> 8; 1636 ic->ic_myaddr[2] = tmp >> 16; 1637 ic->ic_myaddr[3] = tmp >> 24; 1638 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1639 ic->ic_myaddr[4] = tmp & 0xff; 1640 ic->ic_myaddr[5] = tmp >> 8; 1641 1642 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1643 sc->rf_rev = tmp & 0x0f; 1644 sc->pa_rev = (tmp >> 16) & 0x0f; 1645 1646 /* read regulatory domain (currently unused) */ 1647 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1648 sc->regdomain = tmp >> 16; 1649 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1650 1651 /* read Tx power calibration tables */ 1652 for (i = 0; i < 7; i++) { 1653 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1654 sc->pwr_cal[i * 2] = val >> 8; 1655 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1656 1657 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1658 sc->pwr_int[i * 2] = val >> 8; 1659 sc->pwr_int[i * 2 + 1] = val & 0xff; 1660 1661 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1662 sc->ofdm36_cal[i * 2] = val >> 8; 1663 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1664 1665 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1666 sc->ofdm48_cal[i * 2] = val >> 8; 1667 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1668 1669 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1670 sc->ofdm54_cal[i * 2] = val >> 8; 1671 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1672 } 1673 return 0; 1674 } 1675 1676 Static int 1677 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1678 { 1679 uint32_t tmp; 1680 1681 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1682 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1683 1684 tmp = addr[5] << 8 | addr[4]; 1685 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1686 1687 return 0; 1688 } 1689 1690 Static int 1691 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1692 { 1693 uint32_t tmp; 1694 1695 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1696 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1697 1698 tmp = addr[5] << 8 | addr[4]; 1699 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1700 1701 return 0; 1702 } 1703 1704 Static int 1705 zyd_switch_radio(struct zyd_softc *sc, int on) 1706 { 1707 struct zyd_rf *rf = &sc->sc_rf; 1708 int error; 1709 1710 zyd_lock_phy(sc); 1711 error = (*rf->switch_radio)(rf, on); 1712 zyd_unlock_phy(sc); 1713 1714 return error; 1715 } 1716 1717 Static void 1718 zyd_set_led(struct zyd_softc *sc, int which, int on) 1719 { 1720 uint32_t tmp; 1721 1722 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1723 tmp &= ~which; 1724 if (on) 1725 tmp |= which; 1726 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1727 } 1728 1729 Static int 1730 zyd_set_rxfilter(struct zyd_softc *sc) 1731 { 1732 uint32_t rxfilter; 1733 1734 switch (sc->sc_ic.ic_opmode) { 1735 case IEEE80211_M_STA: 1736 rxfilter = ZYD_FILTER_BSS; 1737 break; 1738 case IEEE80211_M_IBSS: 1739 case IEEE80211_M_HOSTAP: 1740 rxfilter = ZYD_FILTER_HOSTAP; 1741 break; 1742 case IEEE80211_M_MONITOR: 1743 rxfilter = ZYD_FILTER_MONITOR; 1744 break; 1745 default: 1746 /* should not get there */ 1747 return EINVAL; 1748 } 1749 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1750 } 1751 1752 Static void 1753 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1754 { 1755 struct ieee80211com *ic = &sc->sc_ic; 1756 struct zyd_rf *rf = &sc->sc_rf; 1757 u_int chan; 1758 1759 chan = ieee80211_chan2ieee(ic, c); 1760 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1761 return; 1762 1763 zyd_lock_phy(sc); 1764 1765 (*rf->set_channel)(rf, chan); 1766 1767 /* update Tx power */ 1768 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1769 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1770 1771 if (sc->mac_rev == ZYD_ZD1211B) { 1772 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1773 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1774 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1775 1776 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1777 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1778 } 1779 1780 zyd_unlock_phy(sc); 1781 } 1782 1783 Static int 1784 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1785 { 1786 /* XXX this is probably broken.. */ 1787 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1788 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1789 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1790 1791 return 0; 1792 } 1793 1794 Static uint8_t 1795 zyd_plcp_signal(int rate) 1796 { 1797 switch (rate) { 1798 /* CCK rates (returned values are device-dependent) */ 1799 case 2: return 0x0; 1800 case 4: return 0x1; 1801 case 11: return 0x2; 1802 case 22: return 0x3; 1803 1804 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1805 case 12: return 0xb; 1806 case 18: return 0xf; 1807 case 24: return 0xa; 1808 case 36: return 0xe; 1809 case 48: return 0x9; 1810 case 72: return 0xd; 1811 case 96: return 0x8; 1812 case 108: return 0xc; 1813 1814 /* unsupported rates (should not get there) */ 1815 default: return 0xff; 1816 } 1817 } 1818 1819 Static void 1820 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1821 { 1822 struct zyd_softc *sc = (struct zyd_softc *)priv; 1823 struct zyd_cmd *cmd; 1824 uint32_t datalen; 1825 1826 if (status != USBD_NORMAL_COMPLETION) { 1827 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1828 return; 1829 1830 if (status == USBD_STALLED) { 1831 usbd_clear_endpoint_stall_async( 1832 sc->zyd_ep[ZYD_ENDPT_IIN]); 1833 } 1834 return; 1835 } 1836 1837 cmd = (struct zyd_cmd *)sc->ibuf; 1838 1839 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1840 struct zyd_notif_retry *retry = 1841 (struct zyd_notif_retry *)cmd->data; 1842 struct ieee80211com *ic = &sc->sc_ic; 1843 struct ifnet *ifp = &sc->sc_if; 1844 struct ieee80211_node *ni; 1845 1846 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1847 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1848 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1849 1850 /* 1851 * Find the node to which the packet was sent and update its 1852 * retry statistics. In BSS mode, this node is the AP we're 1853 * associated to so no lookup is actually needed. 1854 */ 1855 if (ic->ic_opmode != IEEE80211_M_STA) { 1856 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1857 if (ni == NULL) 1858 return; /* just ignore */ 1859 } else 1860 ni = ic->ic_bss; 1861 1862 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1863 1864 if (le16toh(retry->count) & 0x100) 1865 ifp->if_oerrors++; /* too many retries */ 1866 1867 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1868 struct rq *rqp; 1869 1870 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1871 return; /* HMAC interrupt */ 1872 1873 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1874 datalen -= sizeof(cmd->code); 1875 datalen -= 2; /* XXX: padding? */ 1876 1877 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1878 int i; 1879 1880 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1881 continue; 1882 for (i = 0; i < rqp->len; i++) { 1883 if (*(((const uint16_t *)rqp->idata) + i) != 1884 (((struct zyd_pair *)cmd->data) + i)->reg) 1885 break; 1886 } 1887 if (i != rqp->len) 1888 continue; 1889 1890 /* copy answer into caller-supplied buffer */ 1891 bcopy(cmd->data, rqp->odata, 1892 sizeof(struct zyd_pair) * rqp->len); 1893 wakeup(rqp->odata); /* wakeup caller */ 1894 1895 return; 1896 } 1897 return; /* unexpected IORD notification */ 1898 } else { 1899 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1900 le16toh(cmd->code)); 1901 } 1902 } 1903 1904 Static void 1905 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1906 { 1907 struct ieee80211com *ic = &sc->sc_ic; 1908 struct ifnet *ifp = &sc->sc_if; 1909 struct ieee80211_node *ni; 1910 struct ieee80211_frame *wh; 1911 const struct zyd_plcphdr *plcp; 1912 const struct zyd_rx_stat *stat; 1913 struct mbuf *m; 1914 int rlen, s; 1915 1916 if (len < ZYD_MIN_FRAGSZ) { 1917 printf("%s: frame too short (length=%d)\n", 1918 device_xname(sc->sc_dev), len); 1919 ifp->if_ierrors++; 1920 return; 1921 } 1922 1923 plcp = (const struct zyd_plcphdr *)buf; 1924 stat = (const struct zyd_rx_stat *) 1925 (buf + len - sizeof (struct zyd_rx_stat)); 1926 1927 if (stat->flags & ZYD_RX_ERROR) { 1928 DPRINTF(("%s: RX status indicated error (%x)\n", 1929 device_xname(sc->sc_dev), stat->flags)); 1930 ifp->if_ierrors++; 1931 return; 1932 } 1933 1934 /* compute actual frame length */ 1935 rlen = len - sizeof (struct zyd_plcphdr) - 1936 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1937 1938 /* allocate a mbuf to store the frame */ 1939 MGETHDR(m, M_DONTWAIT, MT_DATA); 1940 if (m == NULL) { 1941 printf("%s: could not allocate rx mbuf\n", 1942 device_xname(sc->sc_dev)); 1943 ifp->if_ierrors++; 1944 return; 1945 } 1946 if (rlen > MHLEN) { 1947 MCLGET(m, M_DONTWAIT); 1948 if (!(m->m_flags & M_EXT)) { 1949 printf("%s: could not allocate rx mbuf cluster\n", 1950 device_xname(sc->sc_dev)); 1951 m_freem(m); 1952 ifp->if_ierrors++; 1953 return; 1954 } 1955 } 1956 m->m_pkthdr.rcvif = ifp; 1957 m->m_pkthdr.len = m->m_len = rlen; 1958 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1959 1960 s = splnet(); 1961 1962 if (sc->sc_drvbpf != NULL) { 1963 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1964 static const uint8_t rates[] = { 1965 /* reverse function of zyd_plcp_signal() */ 1966 2, 4, 11, 22, 0, 0, 0, 0, 1967 96, 48, 24, 12, 108, 72, 36, 18 1968 }; 1969 1970 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1971 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1972 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1973 tap->wr_rssi = stat->rssi; 1974 tap->wr_rate = rates[plcp->signal & 0xf]; 1975 1976 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1977 } 1978 1979 wh = mtod(m, struct ieee80211_frame *); 1980 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1981 ieee80211_input(ic, m, ni, stat->rssi, 0); 1982 1983 /* node is no longer needed */ 1984 ieee80211_free_node(ni); 1985 1986 splx(s); 1987 } 1988 1989 Static void 1990 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1991 { 1992 struct zyd_rx_data *data = priv; 1993 struct zyd_softc *sc = data->sc; 1994 struct ifnet *ifp = &sc->sc_if; 1995 const struct zyd_rx_desc *desc; 1996 int len; 1997 1998 if (status != USBD_NORMAL_COMPLETION) { 1999 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2000 return; 2001 2002 if (status == USBD_STALLED) 2003 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2004 2005 goto skip; 2006 } 2007 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2008 2009 if (len < ZYD_MIN_RXBUFSZ) { 2010 printf("%s: xfer too short (length=%d)\n", 2011 device_xname(sc->sc_dev), len); 2012 ifp->if_ierrors++; 2013 goto skip; 2014 } 2015 2016 desc = (const struct zyd_rx_desc *) 2017 (data->buf + len - sizeof (struct zyd_rx_desc)); 2018 2019 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2020 const uint8_t *p = data->buf, *end = p + len; 2021 int i; 2022 2023 DPRINTFN(3, ("received multi-frame transfer\n")); 2024 2025 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2026 const uint16_t len16 = UGETW(desc->len[i]); 2027 2028 if (len16 == 0 || p + len16 > end) 2029 break; 2030 2031 zyd_rx_data(sc, p, len16); 2032 /* next frame is aligned on a 32-bit boundary */ 2033 p += (len16 + 3) & ~3; 2034 } 2035 } else { 2036 DPRINTFN(3, ("received single-frame transfer\n")); 2037 2038 zyd_rx_data(sc, data->buf, len); 2039 } 2040 2041 skip: /* setup a new transfer */ 2042 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2043 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2044 USBD_NO_TIMEOUT, zyd_rxeof); 2045 (void)usbd_transfer(xfer); 2046 } 2047 2048 Static int 2049 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2050 { 2051 struct ieee80211com *ic = &sc->sc_ic; 2052 struct ifnet *ifp = &sc->sc_if; 2053 struct zyd_tx_desc *desc; 2054 struct zyd_tx_data *data; 2055 struct ieee80211_frame *wh; 2056 struct ieee80211_key *k; 2057 int xferlen, totlen, rate; 2058 uint16_t pktlen; 2059 usbd_status error; 2060 2061 data = &sc->tx_data[0]; 2062 desc = (struct zyd_tx_desc *)data->buf; 2063 2064 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2065 2066 wh = mtod(m0, struct ieee80211_frame *); 2067 2068 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2069 k = ieee80211_crypto_encap(ic, ni, m0); 2070 if (k == NULL) { 2071 m_freem(m0); 2072 return ENOBUFS; 2073 } 2074 } 2075 2076 data->ni = ni; 2077 2078 wh = mtod(m0, struct ieee80211_frame *); 2079 2080 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2081 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2082 2083 /* fill Tx descriptor */ 2084 desc->len = htole16(totlen); 2085 2086 desc->flags = ZYD_TX_FLAG_BACKOFF; 2087 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2088 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2089 if (totlen > ic->ic_rtsthreshold) { 2090 desc->flags |= ZYD_TX_FLAG_RTS; 2091 } else if (ZYD_RATE_IS_OFDM(rate) && 2092 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2093 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2094 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2095 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2096 desc->flags |= ZYD_TX_FLAG_RTS; 2097 } 2098 } else 2099 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2100 2101 if ((wh->i_fc[0] & 2102 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2103 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2104 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2105 2106 desc->phy = zyd_plcp_signal(rate); 2107 if (ZYD_RATE_IS_OFDM(rate)) { 2108 desc->phy |= ZYD_TX_PHY_OFDM; 2109 if (ic->ic_curmode == IEEE80211_MODE_11A) 2110 desc->phy |= ZYD_TX_PHY_5GHZ; 2111 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2112 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2113 2114 /* actual transmit length (XXX why +10?) */ 2115 pktlen = sizeof (struct zyd_tx_desc) + 10; 2116 if (sc->mac_rev == ZYD_ZD1211) 2117 pktlen += totlen; 2118 desc->pktlen = htole16(pktlen); 2119 2120 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2121 desc->plcp_service = 0; 2122 if (rate == 22) { 2123 const int remainder = (16 * totlen) % 22; 2124 if (remainder != 0 && remainder < 7) 2125 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2126 } 2127 2128 if (sc->sc_drvbpf != NULL) { 2129 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2130 2131 tap->wt_flags = 0; 2132 tap->wt_rate = rate; 2133 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2134 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2135 2136 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2137 } 2138 2139 m_copydata(m0, 0, m0->m_pkthdr.len, 2140 data->buf + sizeof (struct zyd_tx_desc)); 2141 2142 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2143 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2144 2145 m_freem(m0); /* mbuf no longer needed */ 2146 2147 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2148 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2149 ZYD_TX_TIMEOUT, zyd_txeof); 2150 error = usbd_transfer(data->xfer); 2151 if (error != USBD_IN_PROGRESS && error != 0) { 2152 ifp->if_oerrors++; 2153 return EIO; 2154 } 2155 sc->tx_queued++; 2156 2157 return 0; 2158 } 2159 2160 Static void 2161 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2162 { 2163 struct zyd_tx_data *data = priv; 2164 struct zyd_softc *sc = data->sc; 2165 struct ifnet *ifp = &sc->sc_if; 2166 int s; 2167 2168 if (status != USBD_NORMAL_COMPLETION) { 2169 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2170 return; 2171 2172 printf("%s: could not transmit buffer: %s\n", 2173 device_xname(sc->sc_dev), usbd_errstr(status)); 2174 2175 if (status == USBD_STALLED) { 2176 usbd_clear_endpoint_stall_async( 2177 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2178 } 2179 ifp->if_oerrors++; 2180 return; 2181 } 2182 2183 s = splnet(); 2184 2185 /* update rate control statistics */ 2186 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2187 2188 ieee80211_free_node(data->ni); 2189 data->ni = NULL; 2190 2191 sc->tx_queued--; 2192 ifp->if_opackets++; 2193 2194 sc->tx_timer = 0; 2195 ifp->if_flags &= ~IFF_OACTIVE; 2196 zyd_start(ifp); 2197 2198 splx(s); 2199 } 2200 2201 Static int 2202 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2203 { 2204 struct ieee80211com *ic = &sc->sc_ic; 2205 struct ifnet *ifp = &sc->sc_if; 2206 struct zyd_tx_desc *desc; 2207 struct zyd_tx_data *data; 2208 struct ieee80211_frame *wh; 2209 struct ieee80211_key *k; 2210 int xferlen, totlen, rate; 2211 uint16_t pktlen; 2212 usbd_status error; 2213 2214 wh = mtod(m0, struct ieee80211_frame *); 2215 2216 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2217 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2218 else 2219 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2220 rate &= IEEE80211_RATE_VAL; 2221 2222 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2223 k = ieee80211_crypto_encap(ic, ni, m0); 2224 if (k == NULL) { 2225 m_freem(m0); 2226 return ENOBUFS; 2227 } 2228 2229 /* packet header may have moved, reset our local pointer */ 2230 wh = mtod(m0, struct ieee80211_frame *); 2231 } 2232 2233 data = &sc->tx_data[0]; 2234 desc = (struct zyd_tx_desc *)data->buf; 2235 2236 data->ni = ni; 2237 2238 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2239 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2240 2241 /* fill Tx descriptor */ 2242 desc->len = htole16(totlen); 2243 2244 desc->flags = ZYD_TX_FLAG_BACKOFF; 2245 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2246 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2247 if (totlen > ic->ic_rtsthreshold) { 2248 desc->flags |= ZYD_TX_FLAG_RTS; 2249 } else if (ZYD_RATE_IS_OFDM(rate) && 2250 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2251 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2252 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2253 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2254 desc->flags |= ZYD_TX_FLAG_RTS; 2255 } 2256 } else 2257 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2258 2259 if ((wh->i_fc[0] & 2260 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2261 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2262 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2263 2264 desc->phy = zyd_plcp_signal(rate); 2265 if (ZYD_RATE_IS_OFDM(rate)) { 2266 desc->phy |= ZYD_TX_PHY_OFDM; 2267 if (ic->ic_curmode == IEEE80211_MODE_11A) 2268 desc->phy |= ZYD_TX_PHY_5GHZ; 2269 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2270 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2271 2272 /* actual transmit length (XXX why +10?) */ 2273 pktlen = sizeof (struct zyd_tx_desc) + 10; 2274 if (sc->mac_rev == ZYD_ZD1211) 2275 pktlen += totlen; 2276 desc->pktlen = htole16(pktlen); 2277 2278 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2279 desc->plcp_service = 0; 2280 if (rate == 22) { 2281 const int remainder = (16 * totlen) % 22; 2282 if (remainder != 0 && remainder < 7) 2283 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2284 } 2285 2286 if (sc->sc_drvbpf != NULL) { 2287 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2288 2289 tap->wt_flags = 0; 2290 tap->wt_rate = rate; 2291 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2292 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2293 2294 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2295 } 2296 2297 m_copydata(m0, 0, m0->m_pkthdr.len, 2298 data->buf + sizeof (struct zyd_tx_desc)); 2299 2300 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2301 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2302 2303 m_freem(m0); /* mbuf no longer needed */ 2304 2305 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2306 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2307 ZYD_TX_TIMEOUT, zyd_txeof); 2308 error = usbd_transfer(data->xfer); 2309 if (error != USBD_IN_PROGRESS && error != 0) { 2310 ifp->if_oerrors++; 2311 return EIO; 2312 } 2313 sc->tx_queued++; 2314 2315 return 0; 2316 } 2317 2318 Static void 2319 zyd_start(struct ifnet *ifp) 2320 { 2321 struct zyd_softc *sc = ifp->if_softc; 2322 struct ieee80211com *ic = &sc->sc_ic; 2323 struct ether_header *eh; 2324 struct ieee80211_node *ni; 2325 struct mbuf *m0; 2326 2327 for (;;) { 2328 IF_POLL(&ic->ic_mgtq, m0); 2329 if (m0 != NULL) { 2330 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2331 ifp->if_flags |= IFF_OACTIVE; 2332 break; 2333 } 2334 IF_DEQUEUE(&ic->ic_mgtq, m0); 2335 2336 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2337 m0->m_pkthdr.rcvif = NULL; 2338 bpf_mtap3(ic->ic_rawbpf, m0); 2339 if (zyd_tx_mgt(sc, m0, ni) != 0) 2340 break; 2341 } else { 2342 if (ic->ic_state != IEEE80211_S_RUN) 2343 break; 2344 IFQ_POLL(&ifp->if_snd, m0); 2345 if (m0 == NULL) 2346 break; 2347 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2348 ifp->if_flags |= IFF_OACTIVE; 2349 break; 2350 } 2351 IFQ_DEQUEUE(&ifp->if_snd, m0); 2352 2353 if (m0->m_len < sizeof(struct ether_header) && 2354 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2355 continue; 2356 2357 eh = mtod(m0, struct ether_header *); 2358 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2359 if (ni == NULL) { 2360 m_freem(m0); 2361 continue; 2362 } 2363 bpf_mtap(ifp, m0); 2364 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2365 ieee80211_free_node(ni); 2366 ifp->if_oerrors++; 2367 continue; 2368 } 2369 bpf_mtap3(ic->ic_rawbpf, m0); 2370 if (zyd_tx_data(sc, m0, ni) != 0) { 2371 ieee80211_free_node(ni); 2372 ifp->if_oerrors++; 2373 break; 2374 } 2375 } 2376 2377 sc->tx_timer = 5; 2378 ifp->if_timer = 1; 2379 } 2380 } 2381 2382 Static void 2383 zyd_watchdog(struct ifnet *ifp) 2384 { 2385 struct zyd_softc *sc = ifp->if_softc; 2386 struct ieee80211com *ic = &sc->sc_ic; 2387 2388 ifp->if_timer = 0; 2389 2390 if (sc->tx_timer > 0) { 2391 if (--sc->tx_timer == 0) { 2392 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2393 /* zyd_init(ifp); XXX needs a process context ? */ 2394 ifp->if_oerrors++; 2395 return; 2396 } 2397 ifp->if_timer = 1; 2398 } 2399 2400 ieee80211_watchdog(ic); 2401 } 2402 2403 Static int 2404 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2405 { 2406 struct zyd_softc *sc = ifp->if_softc; 2407 struct ieee80211com *ic = &sc->sc_ic; 2408 int s, error = 0; 2409 2410 s = splnet(); 2411 2412 switch (cmd) { 2413 case SIOCSIFFLAGS: 2414 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2415 break; 2416 /* XXX re-use ether_ioctl() */ 2417 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2418 case IFF_UP: 2419 zyd_init(ifp); 2420 break; 2421 case IFF_RUNNING: 2422 zyd_stop(ifp, 1); 2423 break; 2424 default: 2425 break; 2426 } 2427 break; 2428 2429 default: 2430 error = ieee80211_ioctl(ic, cmd, data); 2431 } 2432 2433 if (error == ENETRESET) { 2434 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2435 (IFF_RUNNING | IFF_UP)) 2436 zyd_init(ifp); 2437 error = 0; 2438 } 2439 2440 splx(s); 2441 2442 return error; 2443 } 2444 2445 Static int 2446 zyd_init(struct ifnet *ifp) 2447 { 2448 struct zyd_softc *sc = ifp->if_softc; 2449 struct ieee80211com *ic = &sc->sc_ic; 2450 int i, error; 2451 2452 zyd_stop(ifp, 0); 2453 2454 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2455 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2456 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2457 if (error != 0) 2458 return error; 2459 2460 /* we'll do software WEP decryption for now */ 2461 DPRINTF(("setting encryption type\n")); 2462 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2463 if (error != 0) 2464 return error; 2465 2466 /* promiscuous mode */ 2467 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2468 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2469 2470 (void)zyd_set_rxfilter(sc); 2471 2472 /* switch radio transmitter ON */ 2473 (void)zyd_switch_radio(sc, 1); 2474 2475 /* set basic rates */ 2476 if (ic->ic_curmode == IEEE80211_MODE_11B) 2477 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2478 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2479 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2480 else /* assumes 802.11b/g */ 2481 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2482 2483 /* set mandatory rates */ 2484 if (ic->ic_curmode == IEEE80211_MODE_11B) 2485 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2486 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2487 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2488 else /* assumes 802.11b/g */ 2489 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2490 2491 /* set default BSS channel */ 2492 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2493 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2494 2495 /* enable interrupts */ 2496 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2497 2498 /* 2499 * Allocate Tx and Rx xfer queues. 2500 */ 2501 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2502 printf("%s: could not allocate Tx list\n", 2503 device_xname(sc->sc_dev)); 2504 goto fail; 2505 } 2506 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2507 printf("%s: could not allocate Rx list\n", 2508 device_xname(sc->sc_dev)); 2509 goto fail; 2510 } 2511 2512 /* 2513 * Start up the receive pipe. 2514 */ 2515 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2516 struct zyd_rx_data *data = &sc->rx_data[i]; 2517 2518 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2519 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2520 USBD_NO_TIMEOUT, zyd_rxeof); 2521 error = usbd_transfer(data->xfer); 2522 if (error != USBD_IN_PROGRESS && error != 0) { 2523 printf("%s: could not queue Rx transfer\n", 2524 device_xname(sc->sc_dev)); 2525 goto fail; 2526 } 2527 } 2528 2529 ifp->if_flags &= ~IFF_OACTIVE; 2530 ifp->if_flags |= IFF_RUNNING; 2531 2532 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2533 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2534 else 2535 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2536 2537 return 0; 2538 2539 fail: zyd_stop(ifp, 1); 2540 return error; 2541 } 2542 2543 Static void 2544 zyd_stop(struct ifnet *ifp, int disable) 2545 { 2546 struct zyd_softc *sc = ifp->if_softc; 2547 struct ieee80211com *ic = &sc->sc_ic; 2548 2549 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2550 2551 sc->tx_timer = 0; 2552 ifp->if_timer = 0; 2553 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2554 2555 /* switch radio transmitter OFF */ 2556 (void)zyd_switch_radio(sc, 0); 2557 2558 /* disable Rx */ 2559 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2560 2561 /* disable interrupts */ 2562 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2563 2564 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2565 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2566 2567 zyd_free_rx_list(sc); 2568 zyd_free_tx_list(sc); 2569 } 2570 2571 Static int 2572 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2573 { 2574 usb_device_request_t req; 2575 uint16_t addr; 2576 uint8_t stat; 2577 2578 DPRINTF(("firmware size=%zu\n", size)); 2579 2580 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2581 req.bRequest = ZYD_DOWNLOADREQ; 2582 USETW(req.wIndex, 0); 2583 2584 addr = ZYD_FIRMWARE_START_ADDR; 2585 while (size > 0) { 2586 #if 0 2587 const int mlen = min(size, 4096); 2588 #else 2589 /* 2590 * XXXX: When the transfer size is 4096 bytes, it is not 2591 * likely to be able to transfer it. 2592 * The cause is port or machine or chip? 2593 */ 2594 const int mlen = min(size, 64); 2595 #endif 2596 2597 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2598 addr)); 2599 2600 USETW(req.wValue, addr); 2601 USETW(req.wLength, mlen); 2602 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2603 return EIO; 2604 2605 addr += mlen / 2; 2606 fw += mlen; 2607 size -= mlen; 2608 } 2609 2610 /* check whether the upload succeeded */ 2611 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2612 req.bRequest = ZYD_DOWNLOADSTS; 2613 USETW(req.wValue, 0); 2614 USETW(req.wIndex, 0); 2615 USETW(req.wLength, sizeof stat); 2616 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2617 return EIO; 2618 2619 return (stat & 0x80) ? EIO : 0; 2620 } 2621 2622 Static void 2623 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2624 { 2625 struct zyd_softc *sc = arg; 2626 struct zyd_node *zn = (struct zyd_node *)ni; 2627 2628 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2629 } 2630 2631 Static void 2632 zyd_amrr_timeout(void *arg) 2633 { 2634 struct zyd_softc *sc = arg; 2635 struct ieee80211com *ic = &sc->sc_ic; 2636 int s; 2637 2638 s = splnet(); 2639 if (ic->ic_opmode == IEEE80211_M_STA) 2640 zyd_iter_func(sc, ic->ic_bss); 2641 else 2642 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2643 splx(s); 2644 2645 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2646 } 2647 2648 Static void 2649 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2650 { 2651 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2652 int i; 2653 2654 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2655 2656 /* set rate to some reasonable initial value */ 2657 for (i = ni->ni_rates.rs_nrates - 1; 2658 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2659 i--); 2660 ni->ni_txrate = i; 2661 } 2662 2663 int 2664 zyd_activate(device_t self, enum devact act) 2665 { 2666 struct zyd_softc *sc = device_private(self); 2667 2668 switch (act) { 2669 case DVACT_DEACTIVATE: 2670 if_deactivate(&sc->sc_if); 2671 return 0; 2672 default: 2673 return EOPNOTSUPP; 2674 } 2675 } 2676
Indexes created Mon Oct 13 01:09:56 GMT 2025