if_zyd.c revision 1.24.2.2
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.24.2.2 2010/08/17 06:46:44 uebayasi 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 1.24.2.2 2010/08/17 06:46:44 uebayasi 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(FIBERLINE, WL430U), 128 ZYD_ZD1211B_DEV(MELCO, KG54L), 129 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 130 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 131 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 132 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 133 #if 0 /* Shall we needs? */ 134 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 135 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 136 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 137 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 138 #endif 139 ZYD_ZD1211B_DEV(USR, USR5423), 140 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 141 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 142 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 143 ZYD_ZD1211B_DEV(ZYXEL, M202), 144 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 145 ZYD_ZD1211B_DEV(PLANEX2, GWUS54GXS), 146 }; 147 #define zyd_lookup(v, p) \ 148 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 149 150 int zyd_match(device_t, cfdata_t, void *); 151 void zyd_attach(device_t, device_t, void *); 152 int zyd_detach(device_t, int); 153 int zyd_activate(device_t, enum devact); 154 extern struct cfdriver zyd_cd; 155 156 CFATTACH_DECL_NEW(zyd, sizeof(struct zyd_softc), zyd_match, 157 zyd_attach, zyd_detach, zyd_activate); 158 159 Static void zyd_attachhook(device_t); 160 Static int zyd_complete_attach(struct zyd_softc *); 161 Static int zyd_open_pipes(struct zyd_softc *); 162 Static void zyd_close_pipes(struct zyd_softc *); 163 Static int zyd_alloc_tx_list(struct zyd_softc *); 164 Static void zyd_free_tx_list(struct zyd_softc *); 165 Static int zyd_alloc_rx_list(struct zyd_softc *); 166 Static void zyd_free_rx_list(struct zyd_softc *); 167 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 168 Static int zyd_media_change(struct ifnet *); 169 Static void zyd_next_scan(void *); 170 Static void zyd_task(void *); 171 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 172 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 173 void *, int, u_int); 174 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 175 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 176 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 177 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 178 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 179 Static void zyd_lock_phy(struct zyd_softc *); 180 Static void zyd_unlock_phy(struct zyd_softc *); 181 Static int zyd_rfmd_init(struct zyd_rf *); 182 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 183 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 184 Static int zyd_al2230_init(struct zyd_rf *); 185 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 186 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 187 Static int zyd_al2230_init_b(struct zyd_rf *); 188 Static int zyd_al7230B_init(struct zyd_rf *); 189 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 190 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 191 Static int zyd_al2210_init(struct zyd_rf *); 192 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 193 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 194 Static int zyd_gct_init(struct zyd_rf *); 195 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 196 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 197 Static int zyd_maxim_init(struct zyd_rf *); 198 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 199 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 200 Static int zyd_maxim2_init(struct zyd_rf *); 201 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 202 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 203 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 204 Static const char *zyd_rf_name(uint8_t); 205 Static int zyd_hw_init(struct zyd_softc *); 206 Static int zyd_read_eeprom(struct zyd_softc *); 207 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 208 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 209 Static int zyd_switch_radio(struct zyd_softc *, int); 210 Static void zyd_set_led(struct zyd_softc *, int, int); 211 Static int zyd_set_rxfilter(struct zyd_softc *); 212 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 213 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 214 Static uint8_t zyd_plcp_signal(int); 215 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 216 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 217 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 218 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 219 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 220 struct ieee80211_node *); 221 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 222 struct ieee80211_node *); 223 Static void zyd_start(struct ifnet *); 224 Static void zyd_watchdog(struct ifnet *); 225 Static int zyd_ioctl(struct ifnet *, u_long, void *); 226 Static int zyd_init(struct ifnet *); 227 Static void zyd_stop(struct ifnet *, int); 228 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 229 Static void zyd_iter_func(void *, struct ieee80211_node *); 230 Static void zyd_amrr_timeout(void *); 231 Static void zyd_newassoc(struct ieee80211_node *, int); 232 233 static const struct ieee80211_rateset zyd_rateset_11b = 234 { 4, { 2, 4, 11, 22 } }; 235 236 static const struct ieee80211_rateset zyd_rateset_11g = 237 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 238 239 int 240 zyd_match(device_t parent, cfdata_t match, void *aux) 241 { 242 struct usb_attach_arg *uaa = aux; 243 244 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 245 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 246 } 247 248 Static void 249 zyd_attachhook(device_t self) 250 { 251 struct zyd_softc *sc = device_private(self); 252 firmware_handle_t fwh; 253 const char *fwname; 254 u_char *fw; 255 size_t size; 256 int error; 257 258 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 259 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 260 aprint_error_dev(sc->sc_dev, 261 "failed to open firmware %s (error=%d)\n", fwname, error); 262 return; 263 } 264 size = firmware_get_size(fwh); 265 fw = firmware_malloc(size); 266 if (fw == NULL) { 267 aprint_error_dev(sc->sc_dev, 268 "failed to allocate firmware memory\n"); 269 firmware_close(fwh); 270 return; 271 } 272 error = firmware_read(fwh, 0, fw, size); 273 firmware_close(fwh); 274 if (error != 0) { 275 aprint_error_dev(sc->sc_dev, 276 "failed to read firmware (error %d)\n", error); 277 firmware_free(fw, 0); 278 return; 279 } 280 281 error = zyd_loadfirmware(sc, fw, size); 282 if (error != 0) { 283 aprint_error_dev(sc->sc_dev, 284 "could not load firmware (error=%d)\n", error); 285 firmware_free(fw, 0); 286 return; 287 } 288 289 firmware_free(fw, 0); 290 sc->sc_flags |= ZD1211_FWLOADED; 291 292 /* complete the attach process */ 293 if ((error = zyd_complete_attach(sc)) == 0) 294 sc->attached = 1; 295 return; 296 } 297 298 void 299 zyd_attach(device_t parent, device_t self, void *aux) 300 { 301 struct zyd_softc *sc = device_private(self); 302 struct usb_attach_arg *uaa = aux; 303 char *devinfop; 304 usb_device_descriptor_t* ddesc; 305 struct ifnet *ifp = &sc->sc_if; 306 307 sc->sc_dev = self; 308 sc->sc_udev = uaa->device; 309 sc->sc_flags = 0; 310 311 aprint_naive("\n"); 312 aprint_normal("\n"); 313 314 devinfop = usbd_devinfo_alloc(uaa->device, 0); 315 aprint_normal_dev(self, "%s\n", devinfop); 316 usbd_devinfo_free(devinfop); 317 318 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 319 320 ddesc = usbd_get_device_descriptor(sc->sc_udev); 321 if (UGETW(ddesc->bcdDevice) < 0x4330) { 322 aprint_error_dev(self, "device version mismatch: 0x%x " 323 "(only >= 43.30 supported)\n", UGETW(ddesc->bcdDevice)); 324 return; 325 } 326 327 ifp->if_softc = sc; 328 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 329 ifp->if_init = zyd_init; 330 ifp->if_ioctl = zyd_ioctl; 331 ifp->if_start = zyd_start; 332 ifp->if_watchdog = zyd_watchdog; 333 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 334 IFQ_SET_READY(&ifp->if_snd); 335 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 336 337 SIMPLEQ_INIT(&sc->sc_rqh); 338 339 /* defer configrations after file system is ready to load firmware */ 340 config_mountroot(self, zyd_attachhook); 341 } 342 343 Static int 344 zyd_complete_attach(struct zyd_softc *sc) 345 { 346 struct ieee80211com *ic = &sc->sc_ic; 347 struct ifnet *ifp = &sc->sc_if; 348 usbd_status error; 349 int i; 350 351 usb_init_task(&sc->sc_task, zyd_task, sc); 352 callout_init(&(sc->sc_scan_ch), 0); 353 354 sc->amrr.amrr_min_success_threshold = 1; 355 sc->amrr.amrr_max_success_threshold = 10; 356 callout_init(&sc->sc_amrr_ch, 0); 357 358 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 359 if (error != 0) { 360 aprint_error_dev(sc->sc_dev, "setting config no failed\n"); 361 goto fail; 362 } 363 364 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 365 &sc->sc_iface); 366 if (error != 0) { 367 aprint_error_dev(sc->sc_dev, 368 "getting interface handle failed\n"); 369 goto fail; 370 } 371 372 if ((error = zyd_open_pipes(sc)) != 0) { 373 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 374 goto fail; 375 } 376 377 if ((error = zyd_read_eeprom(sc)) != 0) { 378 aprint_error_dev(sc->sc_dev, "could not read EEPROM\n"); 379 goto fail; 380 } 381 382 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 383 aprint_error_dev(sc->sc_dev, "could not attach RF\n"); 384 goto fail; 385 } 386 387 if ((error = zyd_hw_init(sc)) != 0) { 388 aprint_error_dev(sc->sc_dev, 389 "hardware initialization failed\n"); 390 goto fail; 391 } 392 393 aprint_normal_dev(sc->sc_dev, 394 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 395 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 396 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 397 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 398 399 ic->ic_ifp = ifp; 400 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 401 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 402 ic->ic_state = IEEE80211_S_INIT; 403 404 /* set device capabilities */ 405 ic->ic_caps = 406 IEEE80211_C_MONITOR | /* monitor mode supported */ 407 IEEE80211_C_TXPMGT | /* tx power management */ 408 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 409 IEEE80211_C_WEP; /* s/w WEP */ 410 411 /* set supported .11b and .11g rates */ 412 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 413 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 414 415 /* set supported .11b and .11g channels (1 through 14) */ 416 for (i = 1; i <= 14; i++) { 417 ic->ic_channels[i].ic_freq = 418 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 419 ic->ic_channels[i].ic_flags = 420 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 421 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 422 } 423 424 if_attach(ifp); 425 ieee80211_ifattach(ic); 426 ic->ic_node_alloc = zyd_node_alloc; 427 ic->ic_newassoc = zyd_newassoc; 428 429 /* override state transition machine */ 430 sc->sc_newstate = ic->ic_newstate; 431 ic->ic_newstate = zyd_newstate; 432 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 433 434 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 435 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 436 &sc->sc_drvbpf); 437 438 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 439 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 440 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 441 442 sc->sc_txtap_len = sizeof sc->sc_txtapu; 443 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 444 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 445 446 ieee80211_announce(ic); 447 448 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 449 450 fail: return error; 451 } 452 453 int 454 zyd_detach(device_t self, int flags) 455 { 456 struct zyd_softc *sc = device_private(self); 457 struct ieee80211com *ic = &sc->sc_ic; 458 struct ifnet *ifp = &sc->sc_if; 459 int s; 460 461 if (!sc->attached) 462 return 0; 463 464 s = splusb(); 465 466 zyd_stop(ifp, 1); 467 usb_rem_task(sc->sc_udev, &sc->sc_task); 468 callout_stop(&sc->sc_scan_ch); 469 callout_stop(&sc->sc_amrr_ch); 470 471 zyd_close_pipes(sc); 472 473 sc->attached = 0; 474 475 bpf_detach(ifp); 476 ieee80211_ifdetach(ic); 477 if_detach(ifp); 478 479 splx(s); 480 481 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 482 USBDEV(sc->sc_dev)); 483 484 return 0; 485 } 486 487 Static int 488 zyd_open_pipes(struct zyd_softc *sc) 489 { 490 usb_endpoint_descriptor_t *edesc; 491 int isize; 492 usbd_status error; 493 494 /* interrupt in */ 495 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 496 if (edesc == NULL) 497 return EINVAL; 498 499 isize = UGETW(edesc->wMaxPacketSize); 500 if (isize == 0) /* should not happen */ 501 return EINVAL; 502 503 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 504 if (sc->ibuf == NULL) 505 return ENOMEM; 506 507 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 508 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 509 USBD_DEFAULT_INTERVAL); 510 if (error != 0) { 511 printf("%s: open rx intr pipe failed: %s\n", 512 device_xname(sc->sc_dev), usbd_errstr(error)); 513 goto fail; 514 } 515 516 /* interrupt out (not necessarily an interrupt pipe) */ 517 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 518 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 519 if (error != 0) { 520 printf("%s: open tx intr pipe failed: %s\n", 521 device_xname(sc->sc_dev), usbd_errstr(error)); 522 goto fail; 523 } 524 525 /* bulk in */ 526 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 527 &sc->zyd_ep[ZYD_ENDPT_BIN]); 528 if (error != 0) { 529 printf("%s: open rx pipe failed: %s\n", 530 device_xname(sc->sc_dev), usbd_errstr(error)); 531 goto fail; 532 } 533 534 /* bulk out */ 535 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 536 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 537 if (error != 0) { 538 printf("%s: open tx pipe failed: %s\n", 539 device_xname(sc->sc_dev), usbd_errstr(error)); 540 goto fail; 541 } 542 543 return 0; 544 545 fail: zyd_close_pipes(sc); 546 return error; 547 } 548 549 Static void 550 zyd_close_pipes(struct zyd_softc *sc) 551 { 552 int i; 553 554 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 555 if (sc->zyd_ep[i] != NULL) { 556 usbd_abort_pipe(sc->zyd_ep[i]); 557 usbd_close_pipe(sc->zyd_ep[i]); 558 sc->zyd_ep[i] = NULL; 559 } 560 } 561 if (sc->ibuf != NULL) { 562 free(sc->ibuf, M_USBDEV); 563 sc->ibuf = NULL; 564 } 565 } 566 567 Static int 568 zyd_alloc_tx_list(struct zyd_softc *sc) 569 { 570 int i, error; 571 572 sc->tx_queued = 0; 573 574 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 575 struct zyd_tx_data *data = &sc->tx_data[i]; 576 577 data->sc = sc; /* backpointer for callbacks */ 578 579 data->xfer = usbd_alloc_xfer(sc->sc_udev); 580 if (data->xfer == NULL) { 581 printf("%s: could not allocate tx xfer\n", 582 device_xname(sc->sc_dev)); 583 error = ENOMEM; 584 goto fail; 585 } 586 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 587 if (data->buf == NULL) { 588 printf("%s: could not allocate tx buffer\n", 589 device_xname(sc->sc_dev)); 590 error = ENOMEM; 591 goto fail; 592 } 593 594 /* clear Tx descriptor */ 595 memset(data->buf, 0, sizeof (struct zyd_tx_desc)); 596 } 597 return 0; 598 599 fail: zyd_free_tx_list(sc); 600 return error; 601 } 602 603 Static void 604 zyd_free_tx_list(struct zyd_softc *sc) 605 { 606 int i; 607 608 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 609 struct zyd_tx_data *data = &sc->tx_data[i]; 610 611 if (data->xfer != NULL) { 612 usbd_free_xfer(data->xfer); 613 data->xfer = NULL; 614 } 615 if (data->ni != NULL) { 616 ieee80211_free_node(data->ni); 617 data->ni = NULL; 618 } 619 } 620 } 621 622 Static int 623 zyd_alloc_rx_list(struct zyd_softc *sc) 624 { 625 int i, error; 626 627 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 628 struct zyd_rx_data *data = &sc->rx_data[i]; 629 630 data->sc = sc; /* backpointer for callbacks */ 631 632 data->xfer = usbd_alloc_xfer(sc->sc_udev); 633 if (data->xfer == NULL) { 634 printf("%s: could not allocate rx xfer\n", 635 device_xname(sc->sc_dev)); 636 error = ENOMEM; 637 goto fail; 638 } 639 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 640 if (data->buf == NULL) { 641 printf("%s: could not allocate rx buffer\n", 642 device_xname(sc->sc_dev)); 643 error = ENOMEM; 644 goto fail; 645 } 646 } 647 return 0; 648 649 fail: zyd_free_rx_list(sc); 650 return error; 651 } 652 653 Static void 654 zyd_free_rx_list(struct zyd_softc *sc) 655 { 656 int i; 657 658 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 659 struct zyd_rx_data *data = &sc->rx_data[i]; 660 661 if (data->xfer != NULL) { 662 usbd_free_xfer(data->xfer); 663 data->xfer = NULL; 664 } 665 } 666 } 667 668 /* ARGUSED */ 669 Static struct ieee80211_node * 670 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 671 { 672 struct zyd_node *zn; 673 674 zn = malloc(sizeof (struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 675 676 return &zn->ni; 677 } 678 679 Static int 680 zyd_media_change(struct ifnet *ifp) 681 { 682 int error; 683 684 error = ieee80211_media_change(ifp); 685 if (error != ENETRESET) 686 return error; 687 688 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 689 zyd_init(ifp); 690 691 return 0; 692 } 693 694 /* 695 * This function is called periodically (every 200ms) during scanning to 696 * switch from one channel to another. 697 */ 698 Static void 699 zyd_next_scan(void *arg) 700 { 701 struct zyd_softc *sc = arg; 702 struct ieee80211com *ic = &sc->sc_ic; 703 704 if (ic->ic_state == IEEE80211_S_SCAN) 705 ieee80211_next_scan(ic); 706 } 707 708 Static void 709 zyd_task(void *arg) 710 { 711 struct zyd_softc *sc = arg; 712 struct ieee80211com *ic = &sc->sc_ic; 713 enum ieee80211_state ostate; 714 715 ostate = ic->ic_state; 716 717 switch (sc->sc_state) { 718 case IEEE80211_S_INIT: 719 if (ostate == IEEE80211_S_RUN) { 720 /* turn link LED off */ 721 zyd_set_led(sc, ZYD_LED1, 0); 722 723 /* stop data LED from blinking */ 724 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 725 } 726 break; 727 728 case IEEE80211_S_SCAN: 729 zyd_set_chan(sc, ic->ic_curchan); 730 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 731 break; 732 733 case IEEE80211_S_AUTH: 734 case IEEE80211_S_ASSOC: 735 zyd_set_chan(sc, ic->ic_curchan); 736 break; 737 738 case IEEE80211_S_RUN: 739 { 740 struct ieee80211_node *ni = ic->ic_bss; 741 742 zyd_set_chan(sc, ic->ic_curchan); 743 744 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 745 /* turn link LED on */ 746 zyd_set_led(sc, ZYD_LED1, 1); 747 748 /* make data LED blink upon Tx */ 749 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 750 751 zyd_set_bssid(sc, ni->ni_bssid); 752 } 753 754 if (ic->ic_opmode == IEEE80211_M_STA) { 755 /* fake a join to init the tx rate */ 756 zyd_newassoc(ni, 1); 757 } 758 759 /* start automatic rate control timer */ 760 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 761 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 762 763 break; 764 } 765 } 766 767 sc->sc_newstate(ic, sc->sc_state, -1); 768 } 769 770 Static int 771 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 772 { 773 struct zyd_softc *sc = ic->ic_ifp->if_softc; 774 775 if (!sc->attached) 776 return ENXIO; 777 778 usb_rem_task(sc->sc_udev, &sc->sc_task); 779 callout_stop(&sc->sc_scan_ch); 780 callout_stop(&sc->sc_amrr_ch); 781 782 /* do it in a process context */ 783 sc->sc_state = nstate; 784 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 785 786 return 0; 787 } 788 789 Static int 790 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 791 void *odata, int olen, u_int flags) 792 { 793 usbd_xfer_handle xfer; 794 struct zyd_cmd cmd; 795 struct rq rq; 796 uint16_t xferflags; 797 usbd_status error; 798 int s = 0; 799 800 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 801 return ENOMEM; 802 803 cmd.code = htole16(code); 804 bcopy(idata, cmd.data, ilen); 805 806 xferflags = USBD_FORCE_SHORT_XFER; 807 if (!(flags & ZYD_CMD_FLAG_READ)) 808 xferflags |= USBD_SYNCHRONOUS; 809 else { 810 s = splusb(); 811 rq.idata = idata; 812 rq.odata = odata; 813 rq.len = olen / sizeof (struct zyd_pair); 814 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 815 } 816 817 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 818 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 819 error = usbd_transfer(xfer); 820 if (error != USBD_IN_PROGRESS && error != 0) { 821 if (flags & ZYD_CMD_FLAG_READ) 822 splx(s); 823 printf("%s: could not send command (error=%s)\n", 824 device_xname(sc->sc_dev), usbd_errstr(error)); 825 (void)usbd_free_xfer(xfer); 826 return EIO; 827 } 828 if (!(flags & ZYD_CMD_FLAG_READ)) { 829 (void)usbd_free_xfer(xfer); 830 return 0; /* write: don't wait for reply */ 831 } 832 /* wait at most one second for command reply */ 833 error = tsleep(odata, PCATCH, "zydcmd", hz); 834 if (error == EWOULDBLOCK) 835 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 836 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 837 splx(s); 838 839 (void)usbd_free_xfer(xfer); 840 return error; 841 } 842 843 Static int 844 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 845 { 846 struct zyd_pair tmp; 847 int error; 848 849 reg = htole16(reg); 850 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 851 ZYD_CMD_FLAG_READ); 852 if (error == 0) 853 *val = le16toh(tmp.val); 854 return error; 855 } 856 857 Static int 858 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 859 { 860 struct zyd_pair tmp[2]; 861 uint16_t regs[2]; 862 int error; 863 864 regs[0] = htole16(ZYD_REG32_HI(reg)); 865 regs[1] = htole16(ZYD_REG32_LO(reg)); 866 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 867 ZYD_CMD_FLAG_READ); 868 if (error == 0) 869 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 870 return error; 871 } 872 873 Static int 874 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 875 { 876 struct zyd_pair pair; 877 878 pair.reg = htole16(reg); 879 pair.val = htole16(val); 880 881 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 882 } 883 884 Static int 885 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 886 { 887 struct zyd_pair pair[2]; 888 889 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 890 pair[0].val = htole16(val >> 16); 891 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 892 pair[1].val = htole16(val & 0xffff); 893 894 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 895 } 896 897 Static int 898 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 899 { 900 struct zyd_rf *rf = &sc->sc_rf; 901 struct zyd_rfwrite req; 902 uint16_t cr203; 903 int i; 904 905 (void)zyd_read16(sc, ZYD_CR203, &cr203); 906 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 907 908 req.code = htole16(2); 909 req.width = htole16(rf->width); 910 for (i = 0; i < rf->width; i++) { 911 req.bit[i] = htole16(cr203); 912 if (val & (1 << (rf->width - 1 - i))) 913 req.bit[i] |= htole16(ZYD_RF_DATA); 914 } 915 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 916 } 917 918 Static void 919 zyd_lock_phy(struct zyd_softc *sc) 920 { 921 uint32_t tmp; 922 923 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 924 tmp &= ~ZYD_UNLOCK_PHY_REGS; 925 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 926 } 927 928 Static void 929 zyd_unlock_phy(struct zyd_softc *sc) 930 { 931 uint32_t tmp; 932 933 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 934 tmp |= ZYD_UNLOCK_PHY_REGS; 935 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 936 } 937 938 /* 939 * RFMD RF methods. 940 */ 941 Static int 942 zyd_rfmd_init(struct zyd_rf *rf) 943 { 944 #define N(a) (sizeof (a) / sizeof ((a)[0])) 945 struct zyd_softc *sc = rf->rf_sc; 946 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 947 static const uint32_t rfini[] = ZYD_RFMD_RF; 948 int i, error; 949 950 /* init RF-dependent PHY registers */ 951 for (i = 0; i < N(phyini); i++) { 952 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 953 if (error != 0) 954 return error; 955 } 956 957 /* init RFMD radio */ 958 for (i = 0; i < N(rfini); i++) { 959 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 960 return error; 961 } 962 return 0; 963 #undef N 964 } 965 966 Static int 967 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 968 { 969 struct zyd_softc *sc = rf->rf_sc; 970 971 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 972 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 973 974 return 0; 975 } 976 977 Static int 978 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 979 { 980 struct zyd_softc *sc = rf->rf_sc; 981 static const struct { 982 uint32_t r1, r2; 983 } rfprog[] = ZYD_RFMD_CHANTABLE; 984 985 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 986 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 987 988 return 0; 989 } 990 991 /* 992 * AL2230 RF methods. 993 */ 994 Static int 995 zyd_al2230_init(struct zyd_rf *rf) 996 { 997 #define N(a) (sizeof (a) / sizeof ((a)[0])) 998 struct zyd_softc *sc = rf->rf_sc; 999 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1000 static const uint32_t rfini[] = ZYD_AL2230_RF; 1001 int i, error; 1002 1003 /* init RF-dependent PHY registers */ 1004 for (i = 0; i < N(phyini); i++) { 1005 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1006 if (error != 0) 1007 return error; 1008 } 1009 1010 /* init AL2230 radio */ 1011 for (i = 0; i < N(rfini); i++) { 1012 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1013 return error; 1014 } 1015 return 0; 1016 #undef N 1017 } 1018 1019 Static int 1020 zyd_al2230_init_b(struct zyd_rf *rf) 1021 { 1022 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1023 struct zyd_softc *sc = rf->rf_sc; 1024 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1025 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1026 int i, error; 1027 1028 /* init RF-dependent PHY registers */ 1029 for (i = 0; i < N(phyini); i++) { 1030 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1031 if (error != 0) 1032 return error; 1033 } 1034 1035 /* init AL2230 radio */ 1036 for (i = 0; i < N(rfini); i++) { 1037 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1038 return error; 1039 } 1040 return 0; 1041 #undef N 1042 } 1043 1044 Static int 1045 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1046 { 1047 struct zyd_softc *sc = rf->rf_sc; 1048 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1049 1050 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1051 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1052 1053 return 0; 1054 } 1055 1056 Static int 1057 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1058 { 1059 struct zyd_softc *sc = rf->rf_sc; 1060 static const struct { 1061 uint32_t r1, r2, r3; 1062 } rfprog[] = ZYD_AL2230_CHANTABLE; 1063 1064 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1065 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1066 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1067 1068 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1069 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1070 1071 return 0; 1072 } 1073 1074 /* 1075 * AL7230B RF methods. 1076 */ 1077 Static int 1078 zyd_al7230B_init(struct zyd_rf *rf) 1079 { 1080 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1081 struct zyd_softc *sc = rf->rf_sc; 1082 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1083 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1084 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1085 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1086 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1087 int i, error; 1088 1089 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1090 1091 /* init RF-dependent PHY registers, part one */ 1092 for (i = 0; i < N(phyini_1); i++) { 1093 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1094 if (error != 0) 1095 return error; 1096 } 1097 /* init AL7230B radio, part one */ 1098 for (i = 0; i < N(rfini_1); i++) { 1099 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1100 return error; 1101 } 1102 /* init RF-dependent PHY registers, part two */ 1103 for (i = 0; i < N(phyini_2); i++) { 1104 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1105 if (error != 0) 1106 return error; 1107 } 1108 /* init AL7230B radio, part two */ 1109 for (i = 0; i < N(rfini_2); i++) { 1110 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1111 return error; 1112 } 1113 /* init RF-dependent PHY registers, part three */ 1114 for (i = 0; i < N(phyini_3); i++) { 1115 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1116 if (error != 0) 1117 return error; 1118 } 1119 1120 return 0; 1121 #undef N 1122 } 1123 1124 Static int 1125 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1126 { 1127 struct zyd_softc *sc = rf->rf_sc; 1128 1129 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1130 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1131 1132 return 0; 1133 } 1134 1135 Static int 1136 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1137 { 1138 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1139 struct zyd_softc *sc = rf->rf_sc; 1140 static const struct { 1141 uint32_t r1, r2; 1142 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1143 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1144 int i, error; 1145 1146 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1147 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1148 1149 for (i = 0; i < N(rfsc); i++) { 1150 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1151 return error; 1152 } 1153 1154 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1155 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1156 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1157 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1158 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1159 1160 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1161 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1162 (void)zyd_rfwrite(sc, 0x3c9000); 1163 1164 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1165 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1166 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1167 1168 return 0; 1169 #undef N 1170 } 1171 1172 /* 1173 * AL2210 RF methods. 1174 */ 1175 Static int 1176 zyd_al2210_init(struct zyd_rf *rf) 1177 { 1178 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1179 struct zyd_softc *sc = rf->rf_sc; 1180 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1181 static const uint32_t rfini[] = ZYD_AL2210_RF; 1182 uint32_t tmp; 1183 int i, error; 1184 1185 (void)zyd_write32(sc, ZYD_CR18, 2); 1186 1187 /* init RF-dependent PHY registers */ 1188 for (i = 0; i < N(phyini); i++) { 1189 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1190 if (error != 0) 1191 return error; 1192 } 1193 /* init AL2210 radio */ 1194 for (i = 0; i < N(rfini); i++) { 1195 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1196 return error; 1197 } 1198 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1199 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1200 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1201 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1202 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1203 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1204 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1205 (void)zyd_write32(sc, ZYD_CR18, 3); 1206 1207 return 0; 1208 #undef N 1209 } 1210 1211 Static int 1212 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1213 { 1214 /* vendor driver does nothing for this RF chip */ 1215 1216 return 0; 1217 } 1218 1219 Static int 1220 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1221 { 1222 struct zyd_softc *sc = rf->rf_sc; 1223 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1224 uint32_t tmp; 1225 1226 (void)zyd_write32(sc, ZYD_CR18, 2); 1227 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1228 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1229 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1230 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1231 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1232 1233 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1234 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1235 1236 /* actually set the channel */ 1237 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1238 1239 (void)zyd_write32(sc, ZYD_CR18, 3); 1240 1241 return 0; 1242 } 1243 1244 /* 1245 * GCT RF methods. 1246 */ 1247 Static int 1248 zyd_gct_init(struct zyd_rf *rf) 1249 { 1250 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1251 struct zyd_softc *sc = rf->rf_sc; 1252 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1253 static const uint32_t rfini[] = ZYD_GCT_RF; 1254 int i, error; 1255 1256 /* init RF-dependent PHY registers */ 1257 for (i = 0; i < N(phyini); i++) { 1258 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1259 if (error != 0) 1260 return error; 1261 } 1262 /* init cgt radio */ 1263 for (i = 0; i < N(rfini); i++) { 1264 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1265 return error; 1266 } 1267 return 0; 1268 #undef N 1269 } 1270 1271 Static int 1272 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1273 { 1274 /* vendor driver does nothing for this RF chip */ 1275 1276 return 0; 1277 } 1278 1279 Static int 1280 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1281 { 1282 struct zyd_softc *sc = rf->rf_sc; 1283 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1284 1285 (void)zyd_rfwrite(sc, 0x1c0000); 1286 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1287 (void)zyd_rfwrite(sc, 0x1c0008); 1288 1289 return 0; 1290 } 1291 1292 /* 1293 * Maxim RF methods. 1294 */ 1295 Static int 1296 zyd_maxim_init(struct zyd_rf *rf) 1297 { 1298 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1299 struct zyd_softc *sc = rf->rf_sc; 1300 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1301 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1302 uint16_t tmp; 1303 int i, error; 1304 1305 /* init RF-dependent PHY registers */ 1306 for (i = 0; i < N(phyini); i++) { 1307 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1308 if (error != 0) 1309 return error; 1310 } 1311 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1312 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1313 1314 /* init maxim radio */ 1315 for (i = 0; i < N(rfini); i++) { 1316 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1323 #undef N 1324 } 1325 1326 Static int 1327 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1328 { 1329 /* vendor driver does nothing for this RF chip */ 1330 1331 return 0; 1332 } 1333 1334 Static int 1335 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1336 { 1337 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1338 struct zyd_softc *sc = rf->rf_sc; 1339 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1340 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1341 static const struct { 1342 uint32_t r1, r2; 1343 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1344 uint16_t tmp; 1345 int i, error; 1346 1347 /* 1348 * Do the same as we do when initializing it, except for the channel 1349 * values coming from the two channel tables. 1350 */ 1351 1352 /* init RF-dependent PHY registers */ 1353 for (i = 0; i < N(phyini); i++) { 1354 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1355 if (error != 0) 1356 return error; 1357 } 1358 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1359 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1360 1361 /* first two values taken from the chantables */ 1362 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1363 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1364 1365 /* init maxim radio - skipping the two first values */ 1366 for (i = 2; i < N(rfini); i++) { 1367 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1368 return error; 1369 } 1370 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1371 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1372 1373 return 0; 1374 #undef N 1375 } 1376 1377 /* 1378 * Maxim2 RF methods. 1379 */ 1380 Static int 1381 zyd_maxim2_init(struct zyd_rf *rf) 1382 { 1383 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1384 struct zyd_softc *sc = rf->rf_sc; 1385 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1386 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1387 uint16_t tmp; 1388 int i, error; 1389 1390 /* init RF-dependent PHY registers */ 1391 for (i = 0; i < N(phyini); i++) { 1392 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1393 if (error != 0) 1394 return error; 1395 } 1396 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1397 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1398 1399 /* init maxim2 radio */ 1400 for (i = 0; i < N(rfini); i++) { 1401 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1402 return error; 1403 } 1404 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1405 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1406 1407 return 0; 1408 #undef N 1409 } 1410 1411 Static int 1412 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1413 { 1414 /* vendor driver does nothing for this RF chip */ 1415 1416 return 0; 1417 } 1418 1419 Static int 1420 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1421 { 1422 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1423 struct zyd_softc *sc = rf->rf_sc; 1424 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1425 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1426 static const struct { 1427 uint32_t r1, r2; 1428 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1429 uint16_t tmp; 1430 int i, error; 1431 1432 /* 1433 * Do the same as we do when initializing it, except for the channel 1434 * values coming from the two channel tables. 1435 */ 1436 1437 /* init RF-dependent PHY registers */ 1438 for (i = 0; i < N(phyini); i++) { 1439 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1440 if (error != 0) 1441 return error; 1442 } 1443 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1444 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1445 1446 /* first two values taken from the chantables */ 1447 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1448 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1449 1450 /* init maxim2 radio - skipping the two first values */ 1451 for (i = 2; i < N(rfini); i++) { 1452 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1453 return error; 1454 } 1455 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1456 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1457 1458 return 0; 1459 #undef N 1460 } 1461 1462 Static int 1463 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1464 { 1465 struct zyd_rf *rf = &sc->sc_rf; 1466 1467 rf->rf_sc = sc; 1468 1469 switch (type) { 1470 case ZYD_RF_RFMD: 1471 rf->init = zyd_rfmd_init; 1472 rf->switch_radio = zyd_rfmd_switch_radio; 1473 rf->set_channel = zyd_rfmd_set_channel; 1474 rf->width = 24; /* 24-bit RF values */ 1475 break; 1476 case ZYD_RF_AL2230: 1477 if (sc->mac_rev == ZYD_ZD1211B) 1478 rf->init = zyd_al2230_init_b; 1479 else 1480 rf->init = zyd_al2230_init; 1481 rf->switch_radio = zyd_al2230_switch_radio; 1482 rf->set_channel = zyd_al2230_set_channel; 1483 rf->width = 24; /* 24-bit RF values */ 1484 break; 1485 case ZYD_RF_AL7230B: 1486 rf->init = zyd_al7230B_init; 1487 rf->switch_radio = zyd_al7230B_switch_radio; 1488 rf->set_channel = zyd_al7230B_set_channel; 1489 rf->width = 24; /* 24-bit RF values */ 1490 break; 1491 case ZYD_RF_AL2210: 1492 rf->init = zyd_al2210_init; 1493 rf->switch_radio = zyd_al2210_switch_radio; 1494 rf->set_channel = zyd_al2210_set_channel; 1495 rf->width = 24; /* 24-bit RF values */ 1496 break; 1497 case ZYD_RF_GCT: 1498 rf->init = zyd_gct_init; 1499 rf->switch_radio = zyd_gct_switch_radio; 1500 rf->set_channel = zyd_gct_set_channel; 1501 rf->width = 21; /* 21-bit RF values */ 1502 break; 1503 case ZYD_RF_MAXIM_NEW: 1504 rf->init = zyd_maxim_init; 1505 rf->switch_radio = zyd_maxim_switch_radio; 1506 rf->set_channel = zyd_maxim_set_channel; 1507 rf->width = 18; /* 18-bit RF values */ 1508 break; 1509 case ZYD_RF_MAXIM_NEW2: 1510 rf->init = zyd_maxim2_init; 1511 rf->switch_radio = zyd_maxim2_switch_radio; 1512 rf->set_channel = zyd_maxim2_set_channel; 1513 rf->width = 18; /* 18-bit RF values */ 1514 break; 1515 default: 1516 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1517 device_xname(sc->sc_dev), zyd_rf_name(type)); 1518 return EINVAL; 1519 } 1520 return 0; 1521 } 1522 1523 Static const char * 1524 zyd_rf_name(uint8_t type) 1525 { 1526 static const char * const zyd_rfs[] = { 1527 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1528 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1529 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1530 "PHILIPS" 1531 }; 1532 1533 return zyd_rfs[(type > 15) ? 0 : type]; 1534 } 1535 1536 Static int 1537 zyd_hw_init(struct zyd_softc *sc) 1538 { 1539 struct zyd_rf *rf = &sc->sc_rf; 1540 const struct zyd_phy_pair *phyp; 1541 int error; 1542 1543 /* specify that the plug and play is finished */ 1544 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1545 1546 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1547 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1548 1549 /* retrieve firmware revision number */ 1550 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1551 1552 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1553 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1554 1555 /* disable interrupts */ 1556 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1557 1558 /* PHY init */ 1559 zyd_lock_phy(sc); 1560 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1561 for (; phyp->reg != 0; phyp++) { 1562 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1563 goto fail; 1564 } 1565 zyd_unlock_phy(sc); 1566 1567 /* HMAC init */ 1568 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1569 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1570 1571 if (sc->mac_rev == ZYD_ZD1211) { 1572 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1573 } else { 1574 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1575 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1576 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1577 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1578 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1579 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1580 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1581 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1582 } 1583 1584 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1585 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1586 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1587 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1588 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1589 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1590 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1591 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1592 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1593 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1594 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1595 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1596 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1597 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1598 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1599 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1600 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1601 1602 /* RF chip init */ 1603 zyd_lock_phy(sc); 1604 error = (*rf->init)(rf); 1605 zyd_unlock_phy(sc); 1606 if (error != 0) { 1607 printf("%s: radio initialization failed\n", 1608 device_xname(sc->sc_dev)); 1609 goto fail; 1610 } 1611 1612 /* init beacon interval to 100ms */ 1613 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1614 goto fail; 1615 1616 fail: return error; 1617 } 1618 1619 Static int 1620 zyd_read_eeprom(struct zyd_softc *sc) 1621 { 1622 struct ieee80211com *ic = &sc->sc_ic; 1623 uint32_t tmp; 1624 uint16_t val; 1625 int i; 1626 1627 /* read MAC address */ 1628 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1629 ic->ic_myaddr[0] = tmp & 0xff; 1630 ic->ic_myaddr[1] = tmp >> 8; 1631 ic->ic_myaddr[2] = tmp >> 16; 1632 ic->ic_myaddr[3] = tmp >> 24; 1633 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1634 ic->ic_myaddr[4] = tmp & 0xff; 1635 ic->ic_myaddr[5] = tmp >> 8; 1636 1637 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1638 sc->rf_rev = tmp & 0x0f; 1639 sc->pa_rev = (tmp >> 16) & 0x0f; 1640 1641 /* read regulatory domain (currently unused) */ 1642 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1643 sc->regdomain = tmp >> 16; 1644 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1645 1646 /* read Tx power calibration tables */ 1647 for (i = 0; i < 7; i++) { 1648 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1649 sc->pwr_cal[i * 2] = val >> 8; 1650 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1651 1652 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1653 sc->pwr_int[i * 2] = val >> 8; 1654 sc->pwr_int[i * 2 + 1] = val & 0xff; 1655 1656 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1657 sc->ofdm36_cal[i * 2] = val >> 8; 1658 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1659 1660 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1661 sc->ofdm48_cal[i * 2] = val >> 8; 1662 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1663 1664 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1665 sc->ofdm54_cal[i * 2] = val >> 8; 1666 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1667 } 1668 return 0; 1669 } 1670 1671 Static int 1672 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1673 { 1674 uint32_t tmp; 1675 1676 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1677 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1678 1679 tmp = addr[5] << 8 | addr[4]; 1680 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1681 1682 return 0; 1683 } 1684 1685 Static int 1686 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1687 { 1688 uint32_t tmp; 1689 1690 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1691 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1692 1693 tmp = addr[5] << 8 | addr[4]; 1694 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1695 1696 return 0; 1697 } 1698 1699 Static int 1700 zyd_switch_radio(struct zyd_softc *sc, int on) 1701 { 1702 struct zyd_rf *rf = &sc->sc_rf; 1703 int error; 1704 1705 zyd_lock_phy(sc); 1706 error = (*rf->switch_radio)(rf, on); 1707 zyd_unlock_phy(sc); 1708 1709 return error; 1710 } 1711 1712 Static void 1713 zyd_set_led(struct zyd_softc *sc, int which, int on) 1714 { 1715 uint32_t tmp; 1716 1717 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1718 tmp &= ~which; 1719 if (on) 1720 tmp |= which; 1721 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1722 } 1723 1724 Static int 1725 zyd_set_rxfilter(struct zyd_softc *sc) 1726 { 1727 uint32_t rxfilter; 1728 1729 switch (sc->sc_ic.ic_opmode) { 1730 case IEEE80211_M_STA: 1731 rxfilter = ZYD_FILTER_BSS; 1732 break; 1733 case IEEE80211_M_IBSS: 1734 case IEEE80211_M_HOSTAP: 1735 rxfilter = ZYD_FILTER_HOSTAP; 1736 break; 1737 case IEEE80211_M_MONITOR: 1738 rxfilter = ZYD_FILTER_MONITOR; 1739 break; 1740 default: 1741 /* should not get there */ 1742 return EINVAL; 1743 } 1744 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1745 } 1746 1747 Static void 1748 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1749 { 1750 struct ieee80211com *ic = &sc->sc_ic; 1751 struct zyd_rf *rf = &sc->sc_rf; 1752 u_int chan; 1753 1754 chan = ieee80211_chan2ieee(ic, c); 1755 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1756 return; 1757 1758 zyd_lock_phy(sc); 1759 1760 (*rf->set_channel)(rf, chan); 1761 1762 /* update Tx power */ 1763 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1764 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1765 1766 if (sc->mac_rev == ZYD_ZD1211B) { 1767 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1768 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1769 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1770 1771 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1772 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1773 } 1774 1775 zyd_unlock_phy(sc); 1776 } 1777 1778 Static int 1779 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1780 { 1781 /* XXX this is probably broken.. */ 1782 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1783 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1784 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1785 1786 return 0; 1787 } 1788 1789 Static uint8_t 1790 zyd_plcp_signal(int rate) 1791 { 1792 switch (rate) { 1793 /* CCK rates (returned values are device-dependent) */ 1794 case 2: return 0x0; 1795 case 4: return 0x1; 1796 case 11: return 0x2; 1797 case 22: return 0x3; 1798 1799 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1800 case 12: return 0xb; 1801 case 18: return 0xf; 1802 case 24: return 0xa; 1803 case 36: return 0xe; 1804 case 48: return 0x9; 1805 case 72: return 0xd; 1806 case 96: return 0x8; 1807 case 108: return 0xc; 1808 1809 /* unsupported rates (should not get there) */ 1810 default: return 0xff; 1811 } 1812 } 1813 1814 Static void 1815 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1816 { 1817 struct zyd_softc *sc = (struct zyd_softc *)priv; 1818 struct zyd_cmd *cmd; 1819 uint32_t datalen; 1820 1821 if (status != USBD_NORMAL_COMPLETION) { 1822 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1823 return; 1824 1825 if (status == USBD_STALLED) { 1826 usbd_clear_endpoint_stall_async( 1827 sc->zyd_ep[ZYD_ENDPT_IIN]); 1828 } 1829 return; 1830 } 1831 1832 cmd = (struct zyd_cmd *)sc->ibuf; 1833 1834 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1835 struct zyd_notif_retry *retry = 1836 (struct zyd_notif_retry *)cmd->data; 1837 struct ieee80211com *ic = &sc->sc_ic; 1838 struct ifnet *ifp = &sc->sc_if; 1839 struct ieee80211_node *ni; 1840 1841 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1842 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1843 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1844 1845 /* 1846 * Find the node to which the packet was sent and update its 1847 * retry statistics. In BSS mode, this node is the AP we're 1848 * associated to so no lookup is actually needed. 1849 */ 1850 if (ic->ic_opmode != IEEE80211_M_STA) { 1851 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1852 if (ni == NULL) 1853 return; /* just ignore */ 1854 } else 1855 ni = ic->ic_bss; 1856 1857 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1858 1859 if (le16toh(retry->count) & 0x100) 1860 ifp->if_oerrors++; /* too many retries */ 1861 1862 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1863 struct rq *rqp; 1864 1865 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1866 return; /* HMAC interrupt */ 1867 1868 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1869 datalen -= sizeof(cmd->code); 1870 datalen -= 2; /* XXX: padding? */ 1871 1872 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1873 int i; 1874 1875 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1876 continue; 1877 for (i = 0; i < rqp->len; i++) { 1878 if (*(((const uint16_t *)rqp->idata) + i) != 1879 (((struct zyd_pair *)cmd->data) + i)->reg) 1880 break; 1881 } 1882 if (i != rqp->len) 1883 continue; 1884 1885 /* copy answer into caller-supplied buffer */ 1886 bcopy(cmd->data, rqp->odata, 1887 sizeof(struct zyd_pair) * rqp->len); 1888 wakeup(rqp->odata); /* wakeup caller */ 1889 1890 return; 1891 } 1892 return; /* unexpected IORD notification */ 1893 } else { 1894 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1895 le16toh(cmd->code)); 1896 } 1897 } 1898 1899 Static void 1900 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1901 { 1902 struct ieee80211com *ic = &sc->sc_ic; 1903 struct ifnet *ifp = &sc->sc_if; 1904 struct ieee80211_node *ni; 1905 struct ieee80211_frame *wh; 1906 const struct zyd_plcphdr *plcp; 1907 const struct zyd_rx_stat *stat; 1908 struct mbuf *m; 1909 int rlen, s; 1910 1911 if (len < ZYD_MIN_FRAGSZ) { 1912 printf("%s: frame too short (length=%d)\n", 1913 device_xname(sc->sc_dev), len); 1914 ifp->if_ierrors++; 1915 return; 1916 } 1917 1918 plcp = (const struct zyd_plcphdr *)buf; 1919 stat = (const struct zyd_rx_stat *) 1920 (buf + len - sizeof (struct zyd_rx_stat)); 1921 1922 if (stat->flags & ZYD_RX_ERROR) { 1923 DPRINTF(("%s: RX status indicated error (%x)\n", 1924 device_xname(sc->sc_dev), stat->flags)); 1925 ifp->if_ierrors++; 1926 return; 1927 } 1928 1929 /* compute actual frame length */ 1930 rlen = len - sizeof (struct zyd_plcphdr) - 1931 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1932 1933 /* allocate a mbuf to store the frame */ 1934 MGETHDR(m, M_DONTWAIT, MT_DATA); 1935 if (m == NULL) { 1936 printf("%s: could not allocate rx mbuf\n", 1937 device_xname(sc->sc_dev)); 1938 ifp->if_ierrors++; 1939 return; 1940 } 1941 if (rlen > MHLEN) { 1942 MCLGET(m, M_DONTWAIT); 1943 if (!(m->m_flags & M_EXT)) { 1944 printf("%s: could not allocate rx mbuf cluster\n", 1945 device_xname(sc->sc_dev)); 1946 m_freem(m); 1947 ifp->if_ierrors++; 1948 return; 1949 } 1950 } 1951 m->m_pkthdr.rcvif = ifp; 1952 m->m_pkthdr.len = m->m_len = rlen; 1953 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1954 1955 s = splnet(); 1956 1957 if (sc->sc_drvbpf != NULL) { 1958 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1959 static const uint8_t rates[] = { 1960 /* reverse function of zyd_plcp_signal() */ 1961 2, 4, 11, 22, 0, 0, 0, 0, 1962 96, 48, 24, 12, 108, 72, 36, 18 1963 }; 1964 1965 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1966 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1967 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1968 tap->wr_rssi = stat->rssi; 1969 tap->wr_rate = rates[plcp->signal & 0xf]; 1970 1971 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1972 } 1973 1974 wh = mtod(m, struct ieee80211_frame *); 1975 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1976 ieee80211_input(ic, m, ni, stat->rssi, 0); 1977 1978 /* node is no longer needed */ 1979 ieee80211_free_node(ni); 1980 1981 splx(s); 1982 } 1983 1984 Static void 1985 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1986 { 1987 struct zyd_rx_data *data = priv; 1988 struct zyd_softc *sc = data->sc; 1989 struct ifnet *ifp = &sc->sc_if; 1990 const struct zyd_rx_desc *desc; 1991 int len; 1992 1993 if (status != USBD_NORMAL_COMPLETION) { 1994 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1995 return; 1996 1997 if (status == USBD_STALLED) 1998 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 1999 2000 goto skip; 2001 } 2002 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2003 2004 if (len < ZYD_MIN_RXBUFSZ) { 2005 printf("%s: xfer too short (length=%d)\n", 2006 device_xname(sc->sc_dev), len); 2007 ifp->if_ierrors++; 2008 goto skip; 2009 } 2010 2011 desc = (const struct zyd_rx_desc *) 2012 (data->buf + len - sizeof (struct zyd_rx_desc)); 2013 2014 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2015 const uint8_t *p = data->buf, *end = p + len; 2016 int i; 2017 2018 DPRINTFN(3, ("received multi-frame transfer\n")); 2019 2020 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2021 const uint16_t len16 = UGETW(desc->len[i]); 2022 2023 if (len16 == 0 || p + len16 > end) 2024 break; 2025 2026 zyd_rx_data(sc, p, len16); 2027 /* next frame is aligned on a 32-bit boundary */ 2028 p += (len16 + 3) & ~3; 2029 } 2030 } else { 2031 DPRINTFN(3, ("received single-frame transfer\n")); 2032 2033 zyd_rx_data(sc, data->buf, len); 2034 } 2035 2036 skip: /* setup a new transfer */ 2037 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2038 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2039 USBD_NO_TIMEOUT, zyd_rxeof); 2040 (void)usbd_transfer(xfer); 2041 } 2042 2043 Static int 2044 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2045 { 2046 struct ieee80211com *ic = &sc->sc_ic; 2047 struct ifnet *ifp = &sc->sc_if; 2048 struct zyd_tx_desc *desc; 2049 struct zyd_tx_data *data; 2050 struct ieee80211_frame *wh; 2051 struct ieee80211_key *k; 2052 int xferlen, totlen, rate; 2053 uint16_t pktlen; 2054 usbd_status error; 2055 2056 data = &sc->tx_data[0]; 2057 desc = (struct zyd_tx_desc *)data->buf; 2058 2059 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2060 2061 wh = mtod(m0, struct ieee80211_frame *); 2062 2063 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2064 k = ieee80211_crypto_encap(ic, ni, m0); 2065 if (k == NULL) { 2066 m_freem(m0); 2067 return ENOBUFS; 2068 } 2069 } 2070 2071 data->ni = ni; 2072 2073 wh = mtod(m0, struct ieee80211_frame *); 2074 2075 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2076 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2077 2078 /* fill Tx descriptor */ 2079 desc->len = htole16(totlen); 2080 2081 desc->flags = ZYD_TX_FLAG_BACKOFF; 2082 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2083 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2084 if (totlen > ic->ic_rtsthreshold) { 2085 desc->flags |= ZYD_TX_FLAG_RTS; 2086 } else if (ZYD_RATE_IS_OFDM(rate) && 2087 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2088 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2089 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2090 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2091 desc->flags |= ZYD_TX_FLAG_RTS; 2092 } 2093 } else 2094 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2095 2096 if ((wh->i_fc[0] & 2097 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2098 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2099 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2100 2101 desc->phy = zyd_plcp_signal(rate); 2102 if (ZYD_RATE_IS_OFDM(rate)) { 2103 desc->phy |= ZYD_TX_PHY_OFDM; 2104 if (ic->ic_curmode == IEEE80211_MODE_11A) 2105 desc->phy |= ZYD_TX_PHY_5GHZ; 2106 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2107 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2108 2109 /* actual transmit length (XXX why +10?) */ 2110 pktlen = sizeof (struct zyd_tx_desc) + 10; 2111 if (sc->mac_rev == ZYD_ZD1211) 2112 pktlen += totlen; 2113 desc->pktlen = htole16(pktlen); 2114 2115 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2116 desc->plcp_service = 0; 2117 if (rate == 22) { 2118 const int remainder = (16 * totlen) % 22; 2119 if (remainder != 0 && remainder < 7) 2120 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2121 } 2122 2123 if (sc->sc_drvbpf != NULL) { 2124 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2125 2126 tap->wt_flags = 0; 2127 tap->wt_rate = rate; 2128 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2129 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2130 2131 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2132 } 2133 2134 m_copydata(m0, 0, m0->m_pkthdr.len, 2135 data->buf + sizeof (struct zyd_tx_desc)); 2136 2137 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2138 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2139 2140 m_freem(m0); /* mbuf no longer needed */ 2141 2142 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2143 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2144 ZYD_TX_TIMEOUT, zyd_txeof); 2145 error = usbd_transfer(data->xfer); 2146 if (error != USBD_IN_PROGRESS && error != 0) { 2147 ifp->if_oerrors++; 2148 return EIO; 2149 } 2150 sc->tx_queued++; 2151 2152 return 0; 2153 } 2154 2155 Static void 2156 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2157 { 2158 struct zyd_tx_data *data = priv; 2159 struct zyd_softc *sc = data->sc; 2160 struct ifnet *ifp = &sc->sc_if; 2161 int s; 2162 2163 if (status != USBD_NORMAL_COMPLETION) { 2164 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2165 return; 2166 2167 printf("%s: could not transmit buffer: %s\n", 2168 device_xname(sc->sc_dev), usbd_errstr(status)); 2169 2170 if (status == USBD_STALLED) { 2171 usbd_clear_endpoint_stall_async( 2172 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2173 } 2174 ifp->if_oerrors++; 2175 return; 2176 } 2177 2178 s = splnet(); 2179 2180 /* update rate control statistics */ 2181 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2182 2183 ieee80211_free_node(data->ni); 2184 data->ni = NULL; 2185 2186 sc->tx_queued--; 2187 ifp->if_opackets++; 2188 2189 sc->tx_timer = 0; 2190 ifp->if_flags &= ~IFF_OACTIVE; 2191 zyd_start(ifp); 2192 2193 splx(s); 2194 } 2195 2196 Static int 2197 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2198 { 2199 struct ieee80211com *ic = &sc->sc_ic; 2200 struct ifnet *ifp = &sc->sc_if; 2201 struct zyd_tx_desc *desc; 2202 struct zyd_tx_data *data; 2203 struct ieee80211_frame *wh; 2204 struct ieee80211_key *k; 2205 int xferlen, totlen, rate; 2206 uint16_t pktlen; 2207 usbd_status error; 2208 2209 wh = mtod(m0, struct ieee80211_frame *); 2210 2211 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2212 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2213 else 2214 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2215 rate &= IEEE80211_RATE_VAL; 2216 2217 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2218 k = ieee80211_crypto_encap(ic, ni, m0); 2219 if (k == NULL) { 2220 m_freem(m0); 2221 return ENOBUFS; 2222 } 2223 2224 /* packet header may have moved, reset our local pointer */ 2225 wh = mtod(m0, struct ieee80211_frame *); 2226 } 2227 2228 data = &sc->tx_data[0]; 2229 desc = (struct zyd_tx_desc *)data->buf; 2230 2231 data->ni = ni; 2232 2233 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2234 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2235 2236 /* fill Tx descriptor */ 2237 desc->len = htole16(totlen); 2238 2239 desc->flags = ZYD_TX_FLAG_BACKOFF; 2240 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2241 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2242 if (totlen > ic->ic_rtsthreshold) { 2243 desc->flags |= ZYD_TX_FLAG_RTS; 2244 } else if (ZYD_RATE_IS_OFDM(rate) && 2245 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2246 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2247 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2248 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2249 desc->flags |= ZYD_TX_FLAG_RTS; 2250 } 2251 } else 2252 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2253 2254 if ((wh->i_fc[0] & 2255 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2256 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2257 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2258 2259 desc->phy = zyd_plcp_signal(rate); 2260 if (ZYD_RATE_IS_OFDM(rate)) { 2261 desc->phy |= ZYD_TX_PHY_OFDM; 2262 if (ic->ic_curmode == IEEE80211_MODE_11A) 2263 desc->phy |= ZYD_TX_PHY_5GHZ; 2264 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2265 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2266 2267 /* actual transmit length (XXX why +10?) */ 2268 pktlen = sizeof (struct zyd_tx_desc) + 10; 2269 if (sc->mac_rev == ZYD_ZD1211) 2270 pktlen += totlen; 2271 desc->pktlen = htole16(pktlen); 2272 2273 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2274 desc->plcp_service = 0; 2275 if (rate == 22) { 2276 const int remainder = (16 * totlen) % 22; 2277 if (remainder != 0 && remainder < 7) 2278 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2279 } 2280 2281 if (sc->sc_drvbpf != NULL) { 2282 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2283 2284 tap->wt_flags = 0; 2285 tap->wt_rate = rate; 2286 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2287 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2288 2289 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2290 } 2291 2292 m_copydata(m0, 0, m0->m_pkthdr.len, 2293 data->buf + sizeof (struct zyd_tx_desc)); 2294 2295 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2296 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2297 2298 m_freem(m0); /* mbuf no longer needed */ 2299 2300 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2301 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2302 ZYD_TX_TIMEOUT, zyd_txeof); 2303 error = usbd_transfer(data->xfer); 2304 if (error != USBD_IN_PROGRESS && error != 0) { 2305 ifp->if_oerrors++; 2306 return EIO; 2307 } 2308 sc->tx_queued++; 2309 2310 return 0; 2311 } 2312 2313 Static void 2314 zyd_start(struct ifnet *ifp) 2315 { 2316 struct zyd_softc *sc = ifp->if_softc; 2317 struct ieee80211com *ic = &sc->sc_ic; 2318 struct ether_header *eh; 2319 struct ieee80211_node *ni; 2320 struct mbuf *m0; 2321 2322 for (;;) { 2323 IF_POLL(&ic->ic_mgtq, m0); 2324 if (m0 != NULL) { 2325 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2326 ifp->if_flags |= IFF_OACTIVE; 2327 break; 2328 } 2329 IF_DEQUEUE(&ic->ic_mgtq, m0); 2330 2331 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2332 m0->m_pkthdr.rcvif = NULL; 2333 bpf_mtap3(ic->ic_rawbpf, m0); 2334 if (zyd_tx_mgt(sc, m0, ni) != 0) 2335 break; 2336 } else { 2337 if (ic->ic_state != IEEE80211_S_RUN) 2338 break; 2339 IFQ_POLL(&ifp->if_snd, m0); 2340 if (m0 == NULL) 2341 break; 2342 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2343 ifp->if_flags |= IFF_OACTIVE; 2344 break; 2345 } 2346 IFQ_DEQUEUE(&ifp->if_snd, m0); 2347 2348 if (m0->m_len < sizeof(struct ether_header) && 2349 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2350 continue; 2351 2352 eh = mtod(m0, struct ether_header *); 2353 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2354 if (ni == NULL) { 2355 m_freem(m0); 2356 continue; 2357 } 2358 bpf_mtap(ifp, m0); 2359 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2360 ieee80211_free_node(ni); 2361 ifp->if_oerrors++; 2362 continue; 2363 } 2364 bpf_mtap3(ic->ic_rawbpf, m0); 2365 if (zyd_tx_data(sc, m0, ni) != 0) { 2366 ieee80211_free_node(ni); 2367 ifp->if_oerrors++; 2368 break; 2369 } 2370 } 2371 2372 sc->tx_timer = 5; 2373 ifp->if_timer = 1; 2374 } 2375 } 2376 2377 Static void 2378 zyd_watchdog(struct ifnet *ifp) 2379 { 2380 struct zyd_softc *sc = ifp->if_softc; 2381 struct ieee80211com *ic = &sc->sc_ic; 2382 2383 ifp->if_timer = 0; 2384 2385 if (sc->tx_timer > 0) { 2386 if (--sc->tx_timer == 0) { 2387 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2388 /* zyd_init(ifp); XXX needs a process context ? */ 2389 ifp->if_oerrors++; 2390 return; 2391 } 2392 ifp->if_timer = 1; 2393 } 2394 2395 ieee80211_watchdog(ic); 2396 } 2397 2398 Static int 2399 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2400 { 2401 struct zyd_softc *sc = ifp->if_softc; 2402 struct ieee80211com *ic = &sc->sc_ic; 2403 int s, error = 0; 2404 2405 s = splnet(); 2406 2407 switch (cmd) { 2408 case SIOCSIFFLAGS: 2409 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2410 break; 2411 /* XXX re-use ether_ioctl() */ 2412 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2413 case IFF_UP: 2414 zyd_init(ifp); 2415 break; 2416 case IFF_RUNNING: 2417 zyd_stop(ifp, 1); 2418 break; 2419 default: 2420 break; 2421 } 2422 break; 2423 2424 default: 2425 error = ieee80211_ioctl(ic, cmd, data); 2426 } 2427 2428 if (error == ENETRESET) { 2429 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2430 (IFF_RUNNING | IFF_UP)) 2431 zyd_init(ifp); 2432 error = 0; 2433 } 2434 2435 splx(s); 2436 2437 return error; 2438 } 2439 2440 Static int 2441 zyd_init(struct ifnet *ifp) 2442 { 2443 struct zyd_softc *sc = ifp->if_softc; 2444 struct ieee80211com *ic = &sc->sc_ic; 2445 int i, error; 2446 2447 zyd_stop(ifp, 0); 2448 2449 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2450 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2451 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2452 if (error != 0) 2453 return error; 2454 2455 /* we'll do software WEP decryption for now */ 2456 DPRINTF(("setting encryption type\n")); 2457 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2458 if (error != 0) 2459 return error; 2460 2461 /* promiscuous mode */ 2462 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2463 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2464 2465 (void)zyd_set_rxfilter(sc); 2466 2467 /* switch radio transmitter ON */ 2468 (void)zyd_switch_radio(sc, 1); 2469 2470 /* set basic rates */ 2471 if (ic->ic_curmode == IEEE80211_MODE_11B) 2472 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2473 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2474 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2475 else /* assumes 802.11b/g */ 2476 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2477 2478 /* set mandatory rates */ 2479 if (ic->ic_curmode == IEEE80211_MODE_11B) 2480 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2481 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2482 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2483 else /* assumes 802.11b/g */ 2484 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2485 2486 /* set default BSS channel */ 2487 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2488 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2489 2490 /* enable interrupts */ 2491 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2492 2493 /* 2494 * Allocate Tx and Rx xfer queues. 2495 */ 2496 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2497 printf("%s: could not allocate Tx list\n", 2498 device_xname(sc->sc_dev)); 2499 goto fail; 2500 } 2501 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2502 printf("%s: could not allocate Rx list\n", 2503 device_xname(sc->sc_dev)); 2504 goto fail; 2505 } 2506 2507 /* 2508 * Start up the receive pipe. 2509 */ 2510 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2511 struct zyd_rx_data *data = &sc->rx_data[i]; 2512 2513 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2514 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2515 USBD_NO_TIMEOUT, zyd_rxeof); 2516 error = usbd_transfer(data->xfer); 2517 if (error != USBD_IN_PROGRESS && error != 0) { 2518 printf("%s: could not queue Rx transfer\n", 2519 device_xname(sc->sc_dev)); 2520 goto fail; 2521 } 2522 } 2523 2524 ifp->if_flags &= ~IFF_OACTIVE; 2525 ifp->if_flags |= IFF_RUNNING; 2526 2527 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2528 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2529 else 2530 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2531 2532 return 0; 2533 2534 fail: zyd_stop(ifp, 1); 2535 return error; 2536 } 2537 2538 Static void 2539 zyd_stop(struct ifnet *ifp, int disable) 2540 { 2541 struct zyd_softc *sc = ifp->if_softc; 2542 struct ieee80211com *ic = &sc->sc_ic; 2543 2544 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2545 2546 sc->tx_timer = 0; 2547 ifp->if_timer = 0; 2548 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2549 2550 /* switch radio transmitter OFF */ 2551 (void)zyd_switch_radio(sc, 0); 2552 2553 /* disable Rx */ 2554 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2555 2556 /* disable interrupts */ 2557 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2558 2559 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2560 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2561 2562 zyd_free_rx_list(sc); 2563 zyd_free_tx_list(sc); 2564 } 2565 2566 Static int 2567 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2568 { 2569 usb_device_request_t req; 2570 uint16_t addr; 2571 uint8_t stat; 2572 2573 DPRINTF(("firmware size=%zu\n", size)); 2574 2575 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2576 req.bRequest = ZYD_DOWNLOADREQ; 2577 USETW(req.wIndex, 0); 2578 2579 addr = ZYD_FIRMWARE_START_ADDR; 2580 while (size > 0) { 2581 #if 0 2582 const int mlen = min(size, 4096); 2583 #else 2584 /* 2585 * XXXX: When the transfer size is 4096 bytes, it is not 2586 * likely to be able to transfer it. 2587 * The cause is port or machine or chip? 2588 */ 2589 const int mlen = min(size, 64); 2590 #endif 2591 2592 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2593 addr)); 2594 2595 USETW(req.wValue, addr); 2596 USETW(req.wLength, mlen); 2597 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2598 return EIO; 2599 2600 addr += mlen / 2; 2601 fw += mlen; 2602 size -= mlen; 2603 } 2604 2605 /* check whether the upload succeeded */ 2606 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2607 req.bRequest = ZYD_DOWNLOADSTS; 2608 USETW(req.wValue, 0); 2609 USETW(req.wIndex, 0); 2610 USETW(req.wLength, sizeof stat); 2611 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2612 return EIO; 2613 2614 return (stat & 0x80) ? EIO : 0; 2615 } 2616 2617 Static void 2618 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2619 { 2620 struct zyd_softc *sc = arg; 2621 struct zyd_node *zn = (struct zyd_node *)ni; 2622 2623 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2624 } 2625 2626 Static void 2627 zyd_amrr_timeout(void *arg) 2628 { 2629 struct zyd_softc *sc = arg; 2630 struct ieee80211com *ic = &sc->sc_ic; 2631 int s; 2632 2633 s = splnet(); 2634 if (ic->ic_opmode == IEEE80211_M_STA) 2635 zyd_iter_func(sc, ic->ic_bss); 2636 else 2637 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2638 splx(s); 2639 2640 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2641 } 2642 2643 Static void 2644 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2645 { 2646 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2647 int i; 2648 2649 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2650 2651 /* set rate to some reasonable initial value */ 2652 for (i = ni->ni_rates.rs_nrates - 1; 2653 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2654 i--); 2655 ni->ni_txrate = i; 2656 } 2657 2658 int 2659 zyd_activate(device_ptr_t self, enum devact act) 2660 { 2661 struct zyd_softc *sc = device_private(self); 2662 2663 switch (act) { 2664 case DVACT_DEACTIVATE: 2665 if_deactivate(&sc->sc_if); 2666 return 0; 2667 default: 2668 return EOPNOTSUPP; 2669 } 2670 } 2671
Indexes created Mon Oct 13 01:09:56 GMT 2025