Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/if_zyd.c
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1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.7 2007/06/21 04:04:29 kiyohara Exp $ */ 3 /* $FreeBSD: releng/7.3/sys/dev/usb/if_zyd.c 184009 2008-10-18 04:11:25Z weongyo $ */ 4 5 /*- 6 * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr> 7 * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de> 8 * 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 /* 23 * ZyDAS ZD1211/ZD1211B USB WLAN driver. 24 */ 25 26 #include <sys/param.h> 27 #include <sys/systm.h> 28 #include <sys/sockio.h> 29 #include <sys/mbuf.h> 30 #include <sys/malloc.h> 31 #include <sys/kernel.h> 32 #include <sys/module.h> 33 #include <sys/socket.h> 34 #include <sys/sysctl.h> 35 #include <sys/endian.h> 36 #include <sys/linker.h> 37 38 #include <net/if.h> 39 #include <net/if_arp.h> 40 #include <net/ethernet.h> 41 #include <net/if_dl.h> 42 #include <net/if_media.h> 43 #include <net/if_types.h> 44 45 #include <sys/bus.h> 46 #include <machine/bus.h> 47 48 #include <net80211/ieee80211_var.h> 49 #include <net80211/ieee80211_amrr.h> 50 #include <net80211/ieee80211_radiotap.h> 51 #include <net80211/ieee80211_proto.h> 52 #include <net80211/ieee80211_node.h> 53 #include <net80211/ieee80211_regdomain.h> 54 55 #include <net/bpf.h> 56 57 #include <dev/usb/usb.h> 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/usbdivar.h> 61 #include "usbdevs.h" 62 #include <dev/usb/usb_ethersubr.h> 63 64 #include <dev/mii/mii.h> 65 #include <dev/mii/miivar.h> 66 67 #include <dev/usb/if_zydreg.h> 68 #include <dev/usb/if_zydfw.h> 69 70 #ifdef USB_DEBUG 71 #define ZYD_DEBUG 72 #endif 73 74 #ifdef ZYD_DEBUG 75 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 76 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 77 int zyddebug = 0; 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n, x) 81 #endif 82 83 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 84 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 85 86 /* various supported device vendors/products */ 87 #define ZYD_ZD1211_DEV(v, p) \ 88 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 89 #define ZYD_ZD1211B_DEV(v, p) \ 90 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 91 static const struct zyd_type { 92 struct usb_devno dev; 93 uint8_t rev; 94 #define ZYD_ZD1211 0 95 #define ZYD_ZD1211B 1 96 } zyd_devs[] = { 97 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 98 ZYD_ZD1211_DEV(ABOCOM, WL54), 99 ZYD_ZD1211_DEV(ASUS, WL159G), 100 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 101 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 102 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 103 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 104 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 105 ZYD_ZD1211_DEV(SAGEM, XG760A), 106 ZYD_ZD1211_DEV(SENAO, NUB8301), 107 ZYD_ZD1211_DEV(SITECOMEU, WL113), 108 ZYD_ZD1211_DEV(SWEEX, ZD1211), 109 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 110 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 111 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 112 ZYD_ZD1211_DEV(TWINMOS, G240), 113 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 114 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 115 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 116 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 117 ZYD_ZD1211_DEV(ZCOM, ZD1211), 118 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 119 ZYD_ZD1211_DEV(ZYXEL, AG225H), 120 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 121 ZYD_ZD1211_DEV(ZYXEL, G200V2), 122 ZYD_ZD1211_DEV(ZYXEL, G202), 123 124 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 125 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 126 ZYD_ZD1211B_DEV(ASUS, A9T_WIFI), 127 ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000), 128 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 129 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 130 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 131 ZYD_ZD1211B_DEV(MELCO, KG54L), 132 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 133 ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS), 134 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 135 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 136 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 137 #if 0 /* Shall we needs? */ 138 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 139 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 140 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 141 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 142 #endif 143 ZYD_ZD1211B_DEV(USR, USR5423), 144 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 145 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 146 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 147 ZYD_ZD1211B_DEV(ZYXEL, M202), 148 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 149 }; 150 #define zyd_lookup(v, p) \ 151 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 152 153 static device_probe_t zyd_match; 154 static device_attach_t zyd_attach; 155 static device_detach_t zyd_detach; 156 157 static int zyd_attachhook(struct zyd_softc *); 158 static int zyd_complete_attach(struct zyd_softc *); 159 static int zyd_open_pipes(struct zyd_softc *); 160 static void zyd_close_pipes(struct zyd_softc *); 161 static int zyd_alloc_tx_list(struct zyd_softc *); 162 static void zyd_free_tx_list(struct zyd_softc *); 163 static int zyd_alloc_rx_list(struct zyd_softc *); 164 static void zyd_free_rx_list(struct zyd_softc *); 165 static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 166 static int zyd_media_change(struct ifnet *); 167 static void zyd_task(void *); 168 static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 169 static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 170 void *, int, u_int); 171 static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 172 static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 173 static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 174 static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 175 static int zyd_rfwrite(struct zyd_softc *, uint32_t); 176 static void zyd_lock_phy(struct zyd_softc *); 177 static void zyd_unlock_phy(struct zyd_softc *); 178 static int zyd_rfmd_init(struct zyd_rf *); 179 static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 180 static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 181 static int zyd_al2230_init(struct zyd_rf *); 182 static int zyd_al2230_switch_radio(struct zyd_rf *, int); 183 static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 184 static int zyd_al2230_init_b(struct zyd_rf *); 185 static int zyd_al7230B_init(struct zyd_rf *); 186 static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 187 static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 188 static int zyd_al2210_init(struct zyd_rf *); 189 static int zyd_al2210_switch_radio(struct zyd_rf *, int); 190 static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 191 static int zyd_gct_init(struct zyd_rf *); 192 static int zyd_gct_switch_radio(struct zyd_rf *, int); 193 static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 194 static int zyd_maxim_init(struct zyd_rf *); 195 static int zyd_maxim_switch_radio(struct zyd_rf *, int); 196 static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 197 static int zyd_maxim2_init(struct zyd_rf *); 198 static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 199 static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 200 static int zyd_rf_attach(struct zyd_softc *, uint8_t); 201 static const char *zyd_rf_name(uint8_t); 202 static int zyd_hw_init(struct zyd_softc *); 203 static int zyd_read_eeprom(struct zyd_softc *); 204 static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 205 static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 206 static int zyd_switch_radio(struct zyd_softc *, int); 207 static void zyd_set_led(struct zyd_softc *, int, int); 208 static void zyd_set_multi(struct zyd_softc *); 209 static int zyd_set_rxfilter(struct zyd_softc *); 210 static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 211 static int zyd_set_beacon_interval(struct zyd_softc *, int); 212 static uint8_t zyd_plcp_signal(int); 213 static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 214 static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 215 static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 216 static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 217 static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 218 struct ieee80211_node *); 219 static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 220 struct ieee80211_node *); 221 static void zyd_start(struct ifnet *); 222 static void zyd_watchdog(void *); 223 static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 224 static void zyd_init(void *); 225 static void zyd_stop(struct zyd_softc *, int); 226 static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 227 static void zyd_iter_func(void *, struct ieee80211_node *); 228 static void zyd_amrr_timeout(void *); 229 static void zyd_newassoc(struct ieee80211_node *, int); 230 static void zyd_scantask(void *); 231 static void zyd_scan_start(struct ieee80211com *); 232 static void zyd_scan_end(struct ieee80211com *); 233 static void zyd_set_channel(struct ieee80211com *); 234 235 static int 236 zyd_match(device_t dev) 237 { 238 struct usb_attach_arg *uaa = device_get_ivars(dev); 239 240 if (!uaa->iface) 241 return UMATCH_NONE; 242 243 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 244 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 245 } 246 247 static int 248 zyd_attachhook(struct zyd_softc *sc) 249 { 250 u_char *firmware; 251 int len, error; 252 253 if (sc->mac_rev == ZYD_ZD1211) { 254 firmware = (u_char *)zd1211_firmware; 255 len = sizeof(zd1211_firmware); 256 } else { 257 firmware = (u_char *)zd1211b_firmware; 258 len = sizeof(zd1211b_firmware); 259 } 260 261 error = zyd_loadfirmware(sc, firmware, len); 262 if (error != 0) { 263 device_printf(sc->sc_dev, 264 "could not load firmware (error=%d)\n", error); 265 return error; 266 } 267 268 sc->sc_flags |= ZD1211_FWLOADED; 269 270 /* complete the attach process */ 271 return zyd_complete_attach(sc); 272 } 273 274 static int 275 zyd_attach(device_t dev) 276 { 277 int error = ENXIO; 278 struct zyd_softc *sc = device_get_softc(dev); 279 struct usb_attach_arg *uaa = device_get_ivars(dev); 280 usb_device_descriptor_t* ddesc; 281 struct ifnet *ifp; 282 283 sc->sc_dev = dev; 284 285 ifp = sc->sc_ifp = if_alloc(IFT_ETHER); 286 if (ifp == NULL) { 287 device_printf(dev, "can not if_alloc()\n"); 288 return ENXIO; 289 } 290 291 sc->sc_udev = uaa->device; 292 sc->sc_flags = 0; 293 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 294 295 ddesc = usbd_get_device_descriptor(sc->sc_udev); 296 if (UGETW(ddesc->bcdDevice) < 0x4330) { 297 device_printf(dev, "device version mismatch: 0x%x " 298 "(only >= 43.30 supported)\n", 299 UGETW(ddesc->bcdDevice)); 300 goto bad; 301 } 302 303 ifp->if_softc = sc; 304 if_initname(ifp, "zyd", device_get_unit(sc->sc_dev)); 305 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | 306 IFF_NEEDSGIANT; /* USB stack is still under Giant lock */ 307 ifp->if_init = zyd_init; 308 ifp->if_ioctl = zyd_ioctl; 309 ifp->if_start = zyd_start; 310 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 311 IFQ_SET_READY(&ifp->if_snd); 312 313 STAILQ_INIT(&sc->sc_rqh); 314 315 error = zyd_attachhook(sc); 316 if (error != 0) { 317 bad: 318 if_free(ifp); 319 return error; 320 } 321 322 return 0; 323 } 324 325 static int 326 zyd_complete_attach(struct zyd_softc *sc) 327 { 328 struct ieee80211com *ic = &sc->sc_ic; 329 struct ifnet *ifp = sc->sc_ifp; 330 usbd_status error; 331 int bands; 332 333 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 334 MTX_DEF | MTX_RECURSE); 335 336 usb_init_task(&sc->sc_scantask, zyd_scantask, sc); 337 usb_init_task(&sc->sc_task, zyd_task, sc); 338 339 callout_init(&sc->sc_amrr_ch, 0); 340 callout_init(&sc->sc_watchdog_ch, 0); 341 342 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 343 if (error != 0) { 344 device_printf(sc->sc_dev, "setting config no failed\n"); 345 error = ENXIO; 346 goto fail; 347 } 348 349 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 350 &sc->sc_iface); 351 if (error != 0) { 352 device_printf(sc->sc_dev, "getting interface handle failed\n"); 353 error = ENXIO; 354 goto fail; 355 } 356 357 if ((error = zyd_open_pipes(sc)) != 0) { 358 device_printf(sc->sc_dev, "could not open pipes\n"); 359 goto fail; 360 } 361 362 if ((error = zyd_read_eeprom(sc)) != 0) { 363 device_printf(sc->sc_dev, "could not read EEPROM\n"); 364 goto fail; 365 } 366 367 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 368 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 369 sc->rf_rev); 370 goto fail; 371 } 372 373 if ((error = zyd_hw_init(sc)) != 0) { 374 device_printf(sc->sc_dev, "hardware initialization failed\n"); 375 goto fail; 376 } 377 378 device_printf(sc->sc_dev, 379 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 380 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 381 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 382 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 383 384 ic->ic_ifp = ifp; 385 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 386 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 387 ic->ic_state = IEEE80211_S_INIT; 388 389 /* set device capabilities */ 390 ic->ic_caps = 391 IEEE80211_C_MONITOR /* monitor mode */ 392 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 393 | IEEE80211_C_SHSLOT /* short slot time supported */ 394 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 395 | IEEE80211_C_WPA /* 802.11i */ 396 ; 397 398 bands = 0; 399 setbit(&bands, IEEE80211_MODE_11B); 400 setbit(&bands, IEEE80211_MODE_11G); 401 ieee80211_init_channels(ic, 0, CTRY_DEFAULT, bands, 0, 1); 402 403 ieee80211_ifattach(ic); 404 ic->ic_node_alloc = zyd_node_alloc; 405 ic->ic_newassoc = zyd_newassoc; 406 407 /* enable s/w bmiss handling in sta mode */ 408 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; 409 ic->ic_scan_start = zyd_scan_start; 410 ic->ic_scan_end = zyd_scan_end; 411 ic->ic_set_channel = zyd_set_channel; 412 413 /* override state transition machine */ 414 sc->sc_newstate = ic->ic_newstate; 415 ic->ic_newstate = zyd_newstate; 416 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 417 ieee80211_amrr_init(&sc->amrr, ic, 418 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 419 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD); 420 421 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 422 sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap), 423 &sc->sc_drvbpf); 424 425 sc->sc_rxtap_len = sizeof(sc->sc_rxtap); 426 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 427 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 428 429 sc->sc_txtap_len = sizeof(sc->sc_txtap); 430 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 431 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 432 433 if (bootverbose) 434 ieee80211_announce(ic); 435 436 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 437 438 return error; 439 440 fail: 441 mtx_destroy(&sc->sc_mtx); 442 443 return error; 444 } 445 446 static int 447 zyd_detach(device_t dev) 448 { 449 struct zyd_softc *sc = device_get_softc(dev); 450 struct ieee80211com *ic = &sc->sc_ic; 451 struct ifnet *ifp = sc->sc_ifp; 452 453 if (!device_is_attached(dev)) 454 return 0; 455 456 /* protect a race when we have listeners related with the driver. */ 457 ifp->if_flags &= ~IFF_UP; 458 459 zyd_stop(sc, 1); 460 usb_rem_task(sc->sc_udev, &sc->sc_scantask); 461 usb_rem_task(sc->sc_udev, &sc->sc_task); 462 callout_stop(&sc->sc_amrr_ch); 463 callout_stop(&sc->sc_watchdog_ch); 464 465 zyd_close_pipes(sc); 466 467 bpfdetach(ifp); 468 ieee80211_ifdetach(ic); 469 if_free(ifp); 470 471 mtx_destroy(&sc->sc_mtx); 472 473 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 474 475 return 0; 476 } 477 478 static int 479 zyd_open_pipes(struct zyd_softc *sc) 480 { 481 usb_endpoint_descriptor_t *edesc; 482 int isize; 483 usbd_status error; 484 485 /* interrupt in */ 486 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 487 if (edesc == NULL) 488 return EINVAL; 489 490 isize = UGETW(edesc->wMaxPacketSize); 491 if (isize == 0) /* should not happen */ 492 return EINVAL; 493 494 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 495 if (sc->ibuf == NULL) 496 return ENOMEM; 497 498 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 499 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 500 USBD_DEFAULT_INTERVAL); 501 if (error != 0) { 502 device_printf(sc->sc_dev, "open rx intr pipe failed: %s\n", 503 usbd_errstr(error)); 504 goto fail; 505 } 506 507 /* interrupt out (not necessarily an interrupt pipe) */ 508 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 509 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 510 if (error != 0) { 511 device_printf(sc->sc_dev, "open tx intr pipe failed: %s\n", 512 usbd_errstr(error)); 513 goto fail; 514 } 515 516 /* bulk in */ 517 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 518 &sc->zyd_ep[ZYD_ENDPT_BIN]); 519 if (error != 0) { 520 device_printf(sc->sc_dev, "open rx pipe failed: %s\n", 521 usbd_errstr(error)); 522 goto fail; 523 } 524 525 /* bulk out */ 526 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 527 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 528 if (error != 0) { 529 device_printf(sc->sc_dev, "open tx pipe failed: %s\n", 530 usbd_errstr(error)); 531 goto fail; 532 } 533 534 return 0; 535 536 fail: zyd_close_pipes(sc); 537 return ENXIO; 538 } 539 540 static void 541 zyd_close_pipes(struct zyd_softc *sc) 542 { 543 int i; 544 545 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 546 if (sc->zyd_ep[i] != NULL) { 547 usbd_abort_pipe(sc->zyd_ep[i]); 548 usbd_close_pipe(sc->zyd_ep[i]); 549 sc->zyd_ep[i] = NULL; 550 } 551 } 552 if (sc->ibuf != NULL) { 553 free(sc->ibuf, M_USBDEV); 554 sc->ibuf = NULL; 555 } 556 } 557 558 static int 559 zyd_alloc_tx_list(struct zyd_softc *sc) 560 { 561 int i, error; 562 563 sc->tx_queued = 0; 564 565 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 566 struct zyd_tx_data *data = &sc->tx_data[i]; 567 568 data->sc = sc; /* backpointer for callbacks */ 569 570 data->xfer = usbd_alloc_xfer(sc->sc_udev); 571 if (data->xfer == NULL) { 572 device_printf(sc->sc_dev, 573 "could not allocate tx xfer\n"); 574 error = ENOMEM; 575 goto fail; 576 } 577 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 578 if (data->buf == NULL) { 579 device_printf(sc->sc_dev, 580 "could not allocate tx buffer\n"); 581 error = ENOMEM; 582 goto fail; 583 } 584 585 /* clear Tx descriptor */ 586 bzero(data->buf, sizeof(struct zyd_tx_desc)); 587 } 588 return 0; 589 590 fail: zyd_free_tx_list(sc); 591 return error; 592 } 593 594 static void 595 zyd_free_tx_list(struct zyd_softc *sc) 596 { 597 int i; 598 599 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 600 struct zyd_tx_data *data = &sc->tx_data[i]; 601 602 if (data->xfer != NULL) { 603 usbd_free_xfer(data->xfer); 604 data->xfer = NULL; 605 } 606 if (data->ni != NULL) { 607 ieee80211_free_node(data->ni); 608 data->ni = NULL; 609 } 610 } 611 } 612 613 static int 614 zyd_alloc_rx_list(struct zyd_softc *sc) 615 { 616 int i, error; 617 618 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 619 struct zyd_rx_data *data = &sc->rx_data[i]; 620 621 data->sc = sc; /* backpointer for callbacks */ 622 623 data->xfer = usbd_alloc_xfer(sc->sc_udev); 624 if (data->xfer == NULL) { 625 device_printf(sc->sc_dev, 626 "could not allocate rx xfer\n"); 627 error = ENOMEM; 628 goto fail; 629 } 630 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 631 if (data->buf == NULL) { 632 device_printf(sc->sc_dev, 633 "could not allocate rx buffer\n"); 634 error = ENOMEM; 635 goto fail; 636 } 637 } 638 return 0; 639 640 fail: zyd_free_rx_list(sc); 641 return error; 642 } 643 644 static void 645 zyd_free_rx_list(struct zyd_softc *sc) 646 { 647 int i; 648 649 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 650 struct zyd_rx_data *data = &sc->rx_data[i]; 651 652 if (data->xfer != NULL) { 653 usbd_free_xfer(data->xfer); 654 data->xfer = NULL; 655 } 656 } 657 } 658 659 /* ARGUSED */ 660 static struct ieee80211_node * 661 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 662 { 663 struct zyd_node *zn; 664 665 zn = malloc(sizeof(struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 666 return zn != NULL ? &zn->ni : NULL; 667 } 668 669 static int 670 zyd_media_change(struct ifnet *ifp) 671 { 672 struct zyd_softc *sc = ifp->if_softc; 673 int error; 674 675 error = ieee80211_media_change(ifp); 676 if (error != ENETRESET) 677 return error; 678 679 if ((ifp->if_flags & IFF_UP) == IFF_UP && 680 (ifp->if_drv_flags & IFF_DRV_RUNNING) == IFF_DRV_RUNNING) 681 zyd_init(sc); 682 683 return 0; 684 } 685 686 static void 687 zyd_task(void *arg) 688 { 689 struct zyd_softc *sc = arg; 690 struct ieee80211com *ic = &sc->sc_ic; 691 enum ieee80211_state ostate; 692 693 ostate = ic->ic_state; 694 695 switch (sc->sc_state) { 696 case IEEE80211_S_RUN: 697 { 698 struct ieee80211_node *ni = ic->ic_bss; 699 700 zyd_set_chan(sc, ic->ic_curchan); 701 702 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 703 /* turn link LED on */ 704 zyd_set_led(sc, ZYD_LED1, 1); 705 706 /* make data LED blink upon Tx */ 707 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 708 709 zyd_set_bssid(sc, ni->ni_bssid); 710 } 711 712 if (ic->ic_opmode == IEEE80211_M_STA) { 713 /* fake a join to init the tx rate */ 714 zyd_newassoc(ni, 1); 715 } 716 717 /* start automatic rate control timer */ 718 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 719 callout_reset(&sc->sc_amrr_ch, hz, 720 zyd_amrr_timeout, sc); 721 722 break; 723 } 724 default: 725 break; 726 } 727 728 sc->sc_newstate(ic, sc->sc_state, sc->sc_arg); 729 } 730 731 static int 732 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 733 { 734 struct zyd_softc *sc = ic->ic_ifp->if_softc; 735 736 usb_rem_task(sc->sc_udev, &sc->sc_task); 737 callout_stop(&sc->sc_amrr_ch); 738 739 /* do it in a process context */ 740 sc->sc_state = nstate; 741 sc->sc_arg = arg; 742 743 if (nstate == IEEE80211_S_INIT) 744 sc->sc_newstate(ic, nstate, arg); 745 else 746 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 747 748 return 0; 749 } 750 751 static int 752 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 753 void *odata, int olen, u_int flags) 754 { 755 usbd_xfer_handle xfer; 756 struct zyd_cmd cmd; 757 struct rq rq; 758 uint16_t xferflags; 759 usbd_status error; 760 761 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 762 return ENOMEM; 763 764 cmd.code = htole16(code); 765 bcopy(idata, cmd.data, ilen); 766 767 xferflags = USBD_FORCE_SHORT_XFER; 768 if (!(flags & ZYD_CMD_FLAG_READ)) 769 xferflags |= USBD_SYNCHRONOUS; 770 else { 771 rq.idata = idata; 772 rq.odata = odata; 773 rq.len = olen / sizeof(struct zyd_pair); 774 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 775 } 776 777 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 778 sizeof(uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 779 error = usbd_transfer(xfer); 780 if (error != USBD_IN_PROGRESS && error != 0) { 781 device_printf(sc->sc_dev, "could not send command (error=%s)\n", 782 usbd_errstr(error)); 783 (void)usbd_free_xfer(xfer); 784 return EIO; 785 } 786 if (!(flags & ZYD_CMD_FLAG_READ)) { 787 (void)usbd_free_xfer(xfer); 788 return 0; /* write: don't wait for reply */ 789 } 790 /* wait at most one second for command reply */ 791 error = tsleep(odata, PCATCH, "zydcmd", hz); 792 if (error == EWOULDBLOCK) 793 device_printf(sc->sc_dev, "zyd_read sleep timeout\n"); 794 STAILQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 795 796 (void)usbd_free_xfer(xfer); 797 return error; 798 } 799 800 static int 801 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 802 { 803 struct zyd_pair tmp; 804 int error; 805 806 reg = htole16(reg); 807 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 808 ZYD_CMD_FLAG_READ); 809 if (error == 0) 810 *val = le16toh(tmp.val); 811 return error; 812 } 813 814 static int 815 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 816 { 817 struct zyd_pair tmp[2]; 818 uint16_t regs[2]; 819 int error; 820 821 regs[0] = htole16(ZYD_REG32_HI(reg)); 822 regs[1] = htole16(ZYD_REG32_LO(reg)); 823 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 824 ZYD_CMD_FLAG_READ); 825 if (error == 0) 826 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 827 return error; 828 } 829 830 static int 831 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 832 { 833 struct zyd_pair pair; 834 835 pair.reg = htole16(reg); 836 pair.val = htole16(val); 837 838 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 839 } 840 841 static int 842 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 843 { 844 struct zyd_pair pair[2]; 845 846 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 847 pair[0].val = htole16(val >> 16); 848 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 849 pair[1].val = htole16(val & 0xffff); 850 851 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 852 } 853 854 static int 855 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 856 { 857 struct zyd_rf *rf = &sc->sc_rf; 858 struct zyd_rfwrite req; 859 uint16_t cr203; 860 int i; 861 862 (void)zyd_read16(sc, ZYD_CR203, &cr203); 863 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 864 865 req.code = htole16(2); 866 req.width = htole16(rf->width); 867 for (i = 0; i < rf->width; i++) { 868 req.bit[i] = htole16(cr203); 869 if (val & (1 << (rf->width - 1 - i))) 870 req.bit[i] |= htole16(ZYD_RF_DATA); 871 } 872 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 873 } 874 875 static void 876 zyd_lock_phy(struct zyd_softc *sc) 877 { 878 uint32_t tmp; 879 880 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 881 tmp &= ~ZYD_UNLOCK_PHY_REGS; 882 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 883 } 884 885 static void 886 zyd_unlock_phy(struct zyd_softc *sc) 887 { 888 uint32_t tmp; 889 890 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 891 tmp |= ZYD_UNLOCK_PHY_REGS; 892 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 893 } 894 895 /* 896 * RFMD RF methods. 897 */ 898 static int 899 zyd_rfmd_init(struct zyd_rf *rf) 900 { 901 #define N(a) (sizeof(a) / sizeof((a)[0])) 902 struct zyd_softc *sc = rf->rf_sc; 903 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 904 static const uint32_t rfini[] = ZYD_RFMD_RF; 905 int i, error; 906 907 /* init RF-dependent PHY registers */ 908 for (i = 0; i < N(phyini); i++) { 909 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 910 if (error != 0) 911 return error; 912 } 913 914 /* init RFMD radio */ 915 for (i = 0; i < N(rfini); i++) { 916 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 917 return error; 918 } 919 return 0; 920 #undef N 921 } 922 923 static int 924 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 925 { 926 struct zyd_softc *sc = rf->rf_sc; 927 928 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 929 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 930 931 return 0; 932 } 933 934 static int 935 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 936 { 937 struct zyd_softc *sc = rf->rf_sc; 938 static const struct { 939 uint32_t r1, r2; 940 } rfprog[] = ZYD_RFMD_CHANTABLE; 941 942 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 943 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 944 945 return 0; 946 } 947 948 /* 949 * AL2230 RF methods. 950 */ 951 static int 952 zyd_al2230_init(struct zyd_rf *rf) 953 { 954 #define N(a) (sizeof(a) / sizeof((a)[0])) 955 struct zyd_softc *sc = rf->rf_sc; 956 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 957 static const uint32_t rfini[] = ZYD_AL2230_RF; 958 int i, error; 959 960 /* init RF-dependent PHY registers */ 961 for (i = 0; i < N(phyini); i++) { 962 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 963 if (error != 0) 964 return error; 965 } 966 967 /* init AL2230 radio */ 968 for (i = 0; i < N(rfini); i++) { 969 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 970 return error; 971 } 972 return 0; 973 #undef N 974 } 975 976 static int 977 zyd_al2230_init_b(struct zyd_rf *rf) 978 { 979 #define N(a) (sizeof(a) / sizeof((a)[0])) 980 struct zyd_softc *sc = rf->rf_sc; 981 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 982 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 983 int i, error; 984 985 /* init RF-dependent PHY registers */ 986 for (i = 0; i < N(phyini); i++) { 987 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 988 if (error != 0) 989 return error; 990 } 991 992 /* init AL2230 radio */ 993 for (i = 0; i < N(rfini); i++) { 994 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 995 return error; 996 } 997 return 0; 998 #undef N 999 } 1000 1001 static int 1002 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1003 { 1004 struct zyd_softc *sc = rf->rf_sc; 1005 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1006 1007 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1008 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1009 1010 return 0; 1011 } 1012 1013 static int 1014 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1015 { 1016 struct zyd_softc *sc = rf->rf_sc; 1017 static const struct { 1018 uint32_t r1, r2, r3; 1019 } rfprog[] = ZYD_AL2230_CHANTABLE; 1020 1021 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1022 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1023 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1024 1025 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1026 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1027 1028 return 0; 1029 } 1030 1031 /* 1032 * AL7230B RF methods. 1033 */ 1034 static int 1035 zyd_al7230B_init(struct zyd_rf *rf) 1036 { 1037 #define N(a) (sizeof(a) / sizeof((a)[0])) 1038 struct zyd_softc *sc = rf->rf_sc; 1039 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1040 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1041 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1042 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1043 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1044 int i, error; 1045 1046 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1047 1048 /* init RF-dependent PHY registers, part one */ 1049 for (i = 0; i < N(phyini_1); i++) { 1050 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1051 if (error != 0) 1052 return error; 1053 } 1054 /* init AL7230B radio, part one */ 1055 for (i = 0; i < N(rfini_1); i++) { 1056 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1057 return error; 1058 } 1059 /* init RF-dependent PHY registers, part two */ 1060 for (i = 0; i < N(phyini_2); i++) { 1061 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1062 if (error != 0) 1063 return error; 1064 } 1065 /* init AL7230B radio, part two */ 1066 for (i = 0; i < N(rfini_2); i++) { 1067 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1068 return error; 1069 } 1070 /* init RF-dependent PHY registers, part three */ 1071 for (i = 0; i < N(phyini_3); i++) { 1072 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1073 if (error != 0) 1074 return error; 1075 } 1076 1077 return 0; 1078 #undef N 1079 } 1080 1081 static int 1082 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1083 { 1084 struct zyd_softc *sc = rf->rf_sc; 1085 1086 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1087 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1088 1089 return 0; 1090 } 1091 1092 static int 1093 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1094 { 1095 #define N(a) (sizeof(a) / sizeof((a)[0])) 1096 struct zyd_softc *sc = rf->rf_sc; 1097 static const struct { 1098 uint32_t r1, r2; 1099 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1100 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1101 int i, error; 1102 1103 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1104 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1105 1106 for (i = 0; i < N(rfsc); i++) { 1107 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1108 return error; 1109 } 1110 1111 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1112 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1113 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1114 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1115 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1116 1117 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1118 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1119 (void)zyd_rfwrite(sc, 0x3c9000); 1120 1121 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1122 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1123 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1124 1125 return 0; 1126 #undef N 1127 } 1128 1129 /* 1130 * AL2210 RF methods. 1131 */ 1132 static int 1133 zyd_al2210_init(struct zyd_rf *rf) 1134 { 1135 #define N(a) (sizeof(a) / sizeof((a)[0])) 1136 struct zyd_softc *sc = rf->rf_sc; 1137 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1138 static const uint32_t rfini[] = ZYD_AL2210_RF; 1139 uint32_t tmp; 1140 int i, error; 1141 1142 (void)zyd_write32(sc, ZYD_CR18, 2); 1143 1144 /* init RF-dependent PHY registers */ 1145 for (i = 0; i < N(phyini); i++) { 1146 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1147 if (error != 0) 1148 return error; 1149 } 1150 /* init AL2210 radio */ 1151 for (i = 0; i < N(rfini); i++) { 1152 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1153 return error; 1154 } 1155 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1156 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1157 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1158 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1159 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1160 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1161 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1162 (void)zyd_write32(sc, ZYD_CR18, 3); 1163 1164 return 0; 1165 #undef N 1166 } 1167 1168 static int 1169 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1170 { 1171 /* vendor driver does nothing for this RF chip */ 1172 1173 return 0; 1174 } 1175 1176 static int 1177 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1178 { 1179 struct zyd_softc *sc = rf->rf_sc; 1180 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1181 uint32_t tmp; 1182 1183 (void)zyd_write32(sc, ZYD_CR18, 2); 1184 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1185 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1186 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1187 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1188 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1189 1190 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1191 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1192 1193 /* actually set the channel */ 1194 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1195 1196 (void)zyd_write32(sc, ZYD_CR18, 3); 1197 1198 return 0; 1199 } 1200 1201 /* 1202 * GCT RF methods. 1203 */ 1204 static int 1205 zyd_gct_init(struct zyd_rf *rf) 1206 { 1207 #define N(a) (sizeof(a) / sizeof((a)[0])) 1208 struct zyd_softc *sc = rf->rf_sc; 1209 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1210 static const uint32_t rfini[] = ZYD_GCT_RF; 1211 int i, error; 1212 1213 /* init RF-dependent PHY registers */ 1214 for (i = 0; i < N(phyini); i++) { 1215 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1216 if (error != 0) 1217 return error; 1218 } 1219 /* init cgt radio */ 1220 for (i = 0; i < N(rfini); i++) { 1221 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1222 return error; 1223 } 1224 return 0; 1225 #undef N 1226 } 1227 1228 static int 1229 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1230 { 1231 /* vendor driver does nothing for this RF chip */ 1232 1233 return 0; 1234 } 1235 1236 static int 1237 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1238 { 1239 struct zyd_softc *sc = rf->rf_sc; 1240 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1241 1242 (void)zyd_rfwrite(sc, 0x1c0000); 1243 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1244 (void)zyd_rfwrite(sc, 0x1c0008); 1245 1246 return 0; 1247 } 1248 1249 /* 1250 * Maxim RF methods. 1251 */ 1252 static int 1253 zyd_maxim_init(struct zyd_rf *rf) 1254 { 1255 #define N(a) (sizeof(a) / sizeof((a)[0])) 1256 struct zyd_softc *sc = rf->rf_sc; 1257 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1258 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1259 uint16_t tmp; 1260 int i, error; 1261 1262 /* init RF-dependent PHY registers */ 1263 for (i = 0; i < N(phyini); i++) { 1264 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1265 if (error != 0) 1266 return error; 1267 } 1268 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1269 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1270 1271 /* init maxim radio */ 1272 for (i = 0; i < N(rfini); i++) { 1273 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1274 return error; 1275 } 1276 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1277 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1278 1279 return 0; 1280 #undef N 1281 } 1282 1283 static int 1284 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1285 { 1286 /* vendor driver does nothing for this RF chip */ 1287 1288 return 0; 1289 } 1290 1291 static int 1292 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1293 { 1294 #define N(a) (sizeof(a) / sizeof((a)[0])) 1295 struct zyd_softc *sc = rf->rf_sc; 1296 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1297 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1298 static const struct { 1299 uint32_t r1, r2; 1300 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1301 uint16_t tmp; 1302 int i, error; 1303 1304 /* 1305 * Do the same as we do when initializing it, except for the channel 1306 * values coming from the two channel tables. 1307 */ 1308 1309 /* init RF-dependent PHY registers */ 1310 for (i = 0; i < N(phyini); i++) { 1311 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1312 if (error != 0) 1313 return error; 1314 } 1315 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1316 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1317 1318 /* first two values taken from the chantables */ 1319 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1320 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1321 1322 /* init maxim radio - skipping the two first values */ 1323 for (i = 2; i < N(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 #undef N 1332 } 1333 1334 /* 1335 * Maxim2 RF methods. 1336 */ 1337 static int 1338 zyd_maxim2_init(struct zyd_rf *rf) 1339 { 1340 #define N(a) (sizeof(a) / sizeof((a)[0])) 1341 struct zyd_softc *sc = rf->rf_sc; 1342 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1343 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1344 uint16_t tmp; 1345 int i, error; 1346 1347 /* init RF-dependent PHY registers */ 1348 for (i = 0; i < N(phyini); i++) { 1349 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1350 if (error != 0) 1351 return error; 1352 } 1353 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1354 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1355 1356 /* init maxim2 radio */ 1357 for (i = 0; i < N(rfini); i++) { 1358 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1359 return error; 1360 } 1361 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1362 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1363 1364 return 0; 1365 #undef N 1366 } 1367 1368 static int 1369 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1370 { 1371 /* vendor driver does nothing for this RF chip */ 1372 1373 return 0; 1374 } 1375 1376 static int 1377 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1378 { 1379 #define N(a) (sizeof(a) / sizeof((a)[0])) 1380 struct zyd_softc *sc = rf->rf_sc; 1381 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1382 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1383 static const struct { 1384 uint32_t r1, r2; 1385 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1386 uint16_t tmp; 1387 int i, error; 1388 1389 /* 1390 * Do the same as we do when initializing it, except for the channel 1391 * values coming from the two channel tables. 1392 */ 1393 1394 /* init RF-dependent PHY registers */ 1395 for (i = 0; i < N(phyini); i++) { 1396 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1397 if (error != 0) 1398 return error; 1399 } 1400 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1401 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1402 1403 /* first two values taken from the chantables */ 1404 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1405 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1406 1407 /* init maxim2 radio - skipping the two first values */ 1408 for (i = 2; i < N(rfini); i++) { 1409 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1410 return error; 1411 } 1412 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1413 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1414 1415 return 0; 1416 #undef N 1417 } 1418 1419 static int 1420 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1421 { 1422 struct zyd_rf *rf = &sc->sc_rf; 1423 1424 rf->rf_sc = sc; 1425 1426 switch (type) { 1427 case ZYD_RF_RFMD: 1428 rf->init = zyd_rfmd_init; 1429 rf->switch_radio = zyd_rfmd_switch_radio; 1430 rf->set_channel = zyd_rfmd_set_channel; 1431 rf->width = 24; /* 24-bit RF values */ 1432 break; 1433 case ZYD_RF_AL2230: 1434 if (sc->mac_rev == ZYD_ZD1211B) 1435 rf->init = zyd_al2230_init_b; 1436 else 1437 rf->init = zyd_al2230_init; 1438 rf->switch_radio = zyd_al2230_switch_radio; 1439 rf->set_channel = zyd_al2230_set_channel; 1440 rf->width = 24; /* 24-bit RF values */ 1441 break; 1442 case ZYD_RF_AL7230B: 1443 rf->init = zyd_al7230B_init; 1444 rf->switch_radio = zyd_al7230B_switch_radio; 1445 rf->set_channel = zyd_al7230B_set_channel; 1446 rf->width = 24; /* 24-bit RF values */ 1447 break; 1448 case ZYD_RF_AL2210: 1449 rf->init = zyd_al2210_init; 1450 rf->switch_radio = zyd_al2210_switch_radio; 1451 rf->set_channel = zyd_al2210_set_channel; 1452 rf->width = 24; /* 24-bit RF values */ 1453 break; 1454 case ZYD_RF_GCT: 1455 rf->init = zyd_gct_init; 1456 rf->switch_radio = zyd_gct_switch_radio; 1457 rf->set_channel = zyd_gct_set_channel; 1458 rf->width = 21; /* 21-bit RF values */ 1459 break; 1460 case ZYD_RF_MAXIM_NEW: 1461 rf->init = zyd_maxim_init; 1462 rf->switch_radio = zyd_maxim_switch_radio; 1463 rf->set_channel = zyd_maxim_set_channel; 1464 rf->width = 18; /* 18-bit RF values */ 1465 break; 1466 case ZYD_RF_MAXIM_NEW2: 1467 rf->init = zyd_maxim2_init; 1468 rf->switch_radio = zyd_maxim2_switch_radio; 1469 rf->set_channel = zyd_maxim2_set_channel; 1470 rf->width = 18; /* 18-bit RF values */ 1471 break; 1472 default: 1473 device_printf(sc->sc_dev, 1474 "sorry, radio \"%s\" is not supported yet\n", 1475 zyd_rf_name(type)); 1476 return EINVAL; 1477 } 1478 return 0; 1479 } 1480 1481 static const char * 1482 zyd_rf_name(uint8_t type) 1483 { 1484 static const char * const zyd_rfs[] = { 1485 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1486 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1487 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1488 "PHILIPS" 1489 }; 1490 1491 return zyd_rfs[(type > 15) ? 0 : type]; 1492 } 1493 1494 static int 1495 zyd_hw_init(struct zyd_softc *sc) 1496 { 1497 struct zyd_rf *rf = &sc->sc_rf; 1498 const struct zyd_phy_pair *phyp; 1499 uint32_t tmp; 1500 int error; 1501 1502 /* specify that the plug and play is finished */ 1503 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1504 1505 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1506 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1507 1508 /* retrieve firmware revision number */ 1509 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1510 1511 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1512 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1513 1514 /* disable interrupts */ 1515 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1516 1517 /* PHY init */ 1518 zyd_lock_phy(sc); 1519 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1520 for (; phyp->reg != 0; phyp++) { 1521 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1522 goto fail; 1523 } 1524 if (sc->fix_cr157) { 1525 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 1526 (void)zyd_write32(sc, ZYD_CR157, tmp >> 8); 1527 } 1528 zyd_unlock_phy(sc); 1529 1530 /* HMAC init */ 1531 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1532 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1533 1534 if (sc->mac_rev == ZYD_ZD1211) { 1535 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1536 } else { 1537 zyd_write32(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1538 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1539 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1540 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1541 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1542 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1543 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1544 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1545 } 1546 1547 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1548 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1549 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1550 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1551 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1552 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1553 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1554 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1555 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1556 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1557 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1558 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1559 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1560 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1561 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1562 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1563 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1564 1565 /* RF chip init */ 1566 zyd_lock_phy(sc); 1567 error = (*rf->init)(rf); 1568 zyd_unlock_phy(sc); 1569 if (error != 0) { 1570 device_printf(sc->sc_dev, 1571 "radio initialization failed, error %d\n", error); 1572 goto fail; 1573 } 1574 1575 /* init beacon interval to 100ms */ 1576 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1577 goto fail; 1578 1579 fail: return error; 1580 } 1581 1582 static int 1583 zyd_read_eeprom(struct zyd_softc *sc) 1584 { 1585 struct ieee80211com *ic = &sc->sc_ic; 1586 uint32_t tmp; 1587 uint16_t val; 1588 int i; 1589 1590 /* read MAC address */ 1591 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1592 ic->ic_myaddr[0] = tmp & 0xff; 1593 ic->ic_myaddr[1] = tmp >> 8; 1594 ic->ic_myaddr[2] = tmp >> 16; 1595 ic->ic_myaddr[3] = tmp >> 24; 1596 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1597 ic->ic_myaddr[4] = tmp & 0xff; 1598 ic->ic_myaddr[5] = tmp >> 8; 1599 1600 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1601 sc->rf_rev = tmp & 0x0f; 1602 sc->fix_cr47 = (tmp >> 8 ) & 0x01; 1603 sc->fix_cr157 = (tmp >> 13) & 0x01; 1604 sc->pa_rev = (tmp >> 16) & 0x0f; 1605 1606 /* read regulatory domain (currently unused) */ 1607 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1608 sc->regdomain = tmp >> 16; 1609 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1610 1611 /* read Tx power calibration tables */ 1612 for (i = 0; i < 7; i++) { 1613 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1614 sc->pwr_cal[i * 2] = val >> 8; 1615 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1616 1617 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1618 sc->pwr_int[i * 2] = val >> 8; 1619 sc->pwr_int[i * 2 + 1] = val & 0xff; 1620 1621 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1622 sc->ofdm36_cal[i * 2] = val >> 8; 1623 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1624 1625 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1626 sc->ofdm48_cal[i * 2] = val >> 8; 1627 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1628 1629 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1630 sc->ofdm54_cal[i * 2] = val >> 8; 1631 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1632 } 1633 return 0; 1634 } 1635 1636 static int 1637 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1638 { 1639 uint32_t tmp; 1640 1641 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1642 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1643 1644 tmp = addr[5] << 8 | addr[4]; 1645 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1646 1647 return 0; 1648 } 1649 1650 static int 1651 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1652 { 1653 uint32_t tmp; 1654 1655 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1656 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1657 1658 tmp = addr[5] << 8 | addr[4]; 1659 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1660 1661 return 0; 1662 } 1663 1664 static int 1665 zyd_switch_radio(struct zyd_softc *sc, int on) 1666 { 1667 struct zyd_rf *rf = &sc->sc_rf; 1668 int error; 1669 1670 zyd_lock_phy(sc); 1671 error = (*rf->switch_radio)(rf, on); 1672 zyd_unlock_phy(sc); 1673 1674 return error; 1675 } 1676 1677 static void 1678 zyd_set_led(struct zyd_softc *sc, int which, int on) 1679 { 1680 uint32_t tmp; 1681 1682 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1683 tmp &= ~which; 1684 if (on) 1685 tmp |= which; 1686 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1687 } 1688 1689 static void 1690 zyd_set_multi(struct zyd_softc *sc) 1691 { 1692 struct ieee80211com *ic = &sc->sc_ic; 1693 struct ifnet *ifp = ic->ic_ifp; 1694 struct ifmultiaddr *ifma; 1695 uint32_t low, high; 1696 uint8_t v; 1697 1698 if (!(ifp->if_flags & IFF_UP)) 1699 return; 1700 1701 low = 0x00000000; 1702 high = 0x80000000; 1703 1704 if (ic->ic_opmode == IEEE80211_M_MONITOR || 1705 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 1706 low = 0xffffffff; 1707 high = 0xffffffff; 1708 } else { 1709 IF_ADDR_LOCK(ifp); 1710 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1711 if (ifma->ifma_addr->sa_family != AF_LINK) 1712 continue; 1713 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 1714 ifma->ifma_addr))[5] >> 2; 1715 if (v < 32) 1716 low |= 1 << v; 1717 else 1718 high |= 1 << (v - 32); 1719 } 1720 IF_ADDR_UNLOCK(ifp); 1721 } 1722 1723 /* reprogram multicast global hash table */ 1724 zyd_write32(sc, ZYD_MAC_GHTBL, low); 1725 zyd_write32(sc, ZYD_MAC_GHTBH, high); 1726 } 1727 1728 static int 1729 zyd_set_rxfilter(struct zyd_softc *sc) 1730 { 1731 uint32_t rxfilter; 1732 1733 switch (sc->sc_ic.ic_opmode) { 1734 case IEEE80211_M_STA: 1735 rxfilter = ZYD_FILTER_BSS; 1736 break; 1737 case IEEE80211_M_IBSS: 1738 case IEEE80211_M_HOSTAP: 1739 rxfilter = ZYD_FILTER_HOSTAP; 1740 break; 1741 case IEEE80211_M_MONITOR: 1742 rxfilter = ZYD_FILTER_MONITOR; 1743 break; 1744 default: 1745 /* should not get there */ 1746 return EINVAL; 1747 } 1748 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1749 } 1750 1751 static void 1752 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1753 { 1754 struct ieee80211com *ic = &sc->sc_ic; 1755 struct zyd_rf *rf = &sc->sc_rf; 1756 uint32_t tmp; 1757 u_int chan; 1758 1759 chan = ieee80211_chan2ieee(ic, c); 1760 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 1761 /* XXX should NEVER happen */ 1762 device_printf(sc->sc_dev, 1763 "%s: invalid channel %x\n", __func__, chan); 1764 return; 1765 } 1766 1767 zyd_lock_phy(sc); 1768 1769 (*rf->set_channel)(rf, chan); 1770 1771 /* update Tx power */ 1772 (void)zyd_write16(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1773 1774 if (sc->mac_rev == ZYD_ZD1211B) { 1775 (void)zyd_write16(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1776 (void)zyd_write16(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1777 (void)zyd_write16(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1778 1779 (void)zyd_write16(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1780 1781 (void)zyd_write16(sc, ZYD_CR69, 0x28); 1782 (void)zyd_write16(sc, ZYD_CR69, 0x2a); 1783 } 1784 1785 if (sc->fix_cr47) { 1786 /* set CCK baseband gain from EEPROM */ 1787 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 1788 (void)zyd_write16(sc, ZYD_CR47, tmp & 0xff); 1789 } 1790 1791 (void)zyd_write32(sc, ZYD_CR_CONFIG_PHILIPS, 0); 1792 1793 zyd_unlock_phy(sc); 1794 1795 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 1796 htole16(c->ic_freq); 1797 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 1798 htole16(c->ic_flags); 1799 } 1800 1801 static int 1802 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1803 { 1804 /* XXX this is probably broken.. */ 1805 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1806 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1807 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1808 1809 return 0; 1810 } 1811 1812 static uint8_t 1813 zyd_plcp_signal(int rate) 1814 { 1815 switch (rate) { 1816 /* CCK rates (returned values are device-dependent) */ 1817 case 2: return 0x0; 1818 case 4: return 0x1; 1819 case 11: return 0x2; 1820 case 22: return 0x3; 1821 1822 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1823 case 12: return 0xb; 1824 case 18: return 0xf; 1825 case 24: return 0xa; 1826 case 36: return 0xe; 1827 case 48: return 0x9; 1828 case 72: return 0xd; 1829 case 96: return 0x8; 1830 case 108: return 0xc; 1831 1832 /* unsupported rates (should not get there) */ 1833 default: return 0xff; 1834 } 1835 } 1836 1837 static void 1838 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1839 { 1840 struct zyd_softc *sc = (struct zyd_softc *)priv; 1841 struct zyd_cmd *cmd; 1842 uint32_t datalen; 1843 1844 if (status != USBD_NORMAL_COMPLETION) { 1845 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1846 return; 1847 1848 if (status == USBD_STALLED) { 1849 usbd_clear_endpoint_stall_async( 1850 sc->zyd_ep[ZYD_ENDPT_IIN]); 1851 } 1852 return; 1853 } 1854 1855 cmd = (struct zyd_cmd *)sc->ibuf; 1856 1857 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1858 struct zyd_notif_retry *retry = 1859 (struct zyd_notif_retry *)cmd->data; 1860 struct ieee80211com *ic = &sc->sc_ic; 1861 struct ifnet *ifp = sc->sc_ifp; 1862 struct ieee80211_node *ni; 1863 1864 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1865 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1866 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1867 1868 /* 1869 * Find the node to which the packet was sent and update its 1870 * retry statistics. In BSS mode, this node is the AP we're 1871 * associated to so no lookup is actually needed. 1872 */ 1873 if (ic->ic_opmode != IEEE80211_M_STA) { 1874 ni = ieee80211_find_node(&ic->ic_sta, retry->macaddr); 1875 if (ni == NULL) 1876 return; /* just ignore */ 1877 } else 1878 ni = ic->ic_bss; 1879 1880 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1881 1882 if (le16toh(retry->count) & 0x100) 1883 ifp->if_oerrors++; /* too many retries */ 1884 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1885 struct rq *rqp; 1886 1887 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1888 return; /* HMAC interrupt */ 1889 1890 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1891 datalen -= sizeof(cmd->code); 1892 datalen -= 2; /* XXX: padding? */ 1893 1894 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1895 int i; 1896 1897 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1898 continue; 1899 for (i = 0; i < rqp->len; i++) { 1900 if (*(((const uint16_t *)rqp->idata) + i) != 1901 (((struct zyd_pair *)cmd->data) + i)->reg) 1902 break; 1903 } 1904 if (i != rqp->len) 1905 continue; 1906 1907 /* copy answer into caller-supplied buffer */ 1908 bcopy(cmd->data, rqp->odata, 1909 sizeof(struct zyd_pair) * rqp->len); 1910 wakeup(rqp->odata); /* wakeup caller */ 1911 1912 return; 1913 } 1914 return; /* unexpected IORD notification */ 1915 } else { 1916 device_printf(sc->sc_dev, "unknown notification %x\n", 1917 le16toh(cmd->code)); 1918 } 1919 } 1920 1921 static __inline uint8_t 1922 zyd_plcp2ieee(int signal, int isofdm) 1923 { 1924 if (isofdm) { 1925 static const uint8_t ofdmrates[16] = 1926 { 0, 0, 0, 0, 0, 0, 0, 96, 48, 24, 12, 108, 72, 36, 18 }; 1927 return ofdmrates[signal & 0xf]; 1928 } else { 1929 static const uint8_t cckrates[16] = 1930 { 0, 0, 0, 0, 4, 0, 0, 11, 0, 0, 2, 0, 0, 0, 22, 0 }; 1931 return cckrates[signal & 0xf]; 1932 } 1933 } 1934 1935 static void 1936 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1937 { 1938 struct ieee80211com *ic = &sc->sc_ic; 1939 struct ifnet *ifp = sc->sc_ifp; 1940 struct ieee80211_node *ni; 1941 const struct zyd_plcphdr *plcp; 1942 const struct zyd_rx_stat *stat; 1943 struct mbuf *m; 1944 int rlen; 1945 1946 if (len < ZYD_MIN_FRAGSZ) { 1947 DPRINTF(("%s: frame too short (length=%d)\n", 1948 device_get_nameunit(sc->sc_dev), len)); 1949 ifp->if_ierrors++; 1950 return; 1951 } 1952 1953 plcp = (const struct zyd_plcphdr *)buf; 1954 stat = (const struct zyd_rx_stat *) 1955 (buf + len - sizeof(struct zyd_rx_stat)); 1956 1957 if (stat->flags & ZYD_RX_ERROR) { 1958 DPRINTF(("%s: RX status indicated error (%x)\n", 1959 device_get_nameunit(sc->sc_dev), stat->flags)); 1960 ifp->if_ierrors++; 1961 return; 1962 } 1963 1964 /* compute actual frame length */ 1965 rlen = len - sizeof(struct zyd_plcphdr) - 1966 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1967 1968 /* allocate a mbuf to store the frame */ 1969 if (rlen > MHLEN) 1970 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1971 else 1972 m = m_gethdr(M_DONTWAIT, MT_DATA); 1973 if (m == NULL) { 1974 DPRINTF(("%s: could not allocate rx mbuf\n", 1975 device_get_nameunit(sc->sc_dev))); 1976 ifp->if_ierrors++; 1977 return; 1978 } 1979 m->m_pkthdr.rcvif = ifp; 1980 m->m_pkthdr.len = m->m_len = rlen; 1981 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1982 1983 if (bpf_peers_present(sc->sc_drvbpf)) { 1984 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1985 1986 tap->wr_flags = 0; 1987 if (stat->flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 1988 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 1989 /* XXX toss, no way to express errors */ 1990 if (stat->flags & ZYD_RX_DECRYPTERR) 1991 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 1992 tap->wr_rate = 1993 zyd_plcp2ieee(plcp->signal, stat->flags & ZYD_RX_OFDM); 1994 tap->wr_antsignal = stat->rssi + -95; 1995 tap->wr_antnoise = -95; /* XXX */ 1996 1997 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1998 } 1999 2000 ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); 2001 ieee80211_input(ic, m, ni, 2002 stat->rssi > 63 ? 127 : 2 * stat->rssi, -95/*XXX*/, 0); 2003 2004 /* node is no longer needed */ 2005 ieee80211_free_node(ni); 2006 } 2007 2008 static void 2009 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2010 { 2011 struct zyd_rx_data *data = priv; 2012 struct zyd_softc *sc = data->sc; 2013 struct ifnet *ifp = sc->sc_ifp; 2014 const struct zyd_rx_desc *desc; 2015 int len; 2016 2017 if (status != USBD_NORMAL_COMPLETION) { 2018 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2019 return; 2020 2021 if (status == USBD_STALLED) 2022 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2023 2024 goto skip; 2025 } 2026 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2027 2028 if (len < ZYD_MIN_RXBUFSZ) { 2029 DPRINTFN(3, ("%s: xfer too short (length=%d)\n", 2030 device_get_nameunit(sc->sc_dev), len)); 2031 ifp->if_ierrors++; /* XXX not really errors */ 2032 goto skip; 2033 } 2034 2035 desc = (const struct zyd_rx_desc *) 2036 (data->buf + len - sizeof(struct zyd_rx_desc)); 2037 2038 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2039 const uint8_t *p = data->buf, *end = p + len; 2040 int i; 2041 2042 DPRINTFN(3, ("received multi-frame transfer\n")); 2043 2044 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2045 const uint16_t len16 = UGETW(desc->len[i]); 2046 2047 if (len16 == 0 || p + len16 > end) 2048 break; 2049 2050 zyd_rx_data(sc, p, len16); 2051 /* next frame is aligned on a 32-bit boundary */ 2052 p += (len16 + 3) & ~3; 2053 } 2054 } else { 2055 DPRINTFN(3, ("received single-frame transfer\n")); 2056 2057 zyd_rx_data(sc, data->buf, len); 2058 } 2059 2060 skip: /* setup a new transfer */ 2061 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2062 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2063 USBD_NO_TIMEOUT, zyd_rxeof); 2064 (void)usbd_transfer(xfer); 2065 } 2066 2067 static int 2068 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2069 { 2070 struct ieee80211com *ic = &sc->sc_ic; 2071 struct ifnet *ifp = sc->sc_ifp; 2072 struct zyd_tx_desc *desc; 2073 struct zyd_tx_data *data; 2074 struct ieee80211_frame *wh; 2075 int xferlen, totlen, rate; 2076 uint16_t pktlen; 2077 usbd_status error; 2078 2079 data = &sc->tx_data[0]; 2080 desc = (struct zyd_tx_desc *)data->buf; 2081 2082 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2083 2084 data->ni = ni; 2085 data->m = m0; 2086 2087 wh = mtod(m0, struct ieee80211_frame *); 2088 2089 xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len; 2090 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2091 2092 /* fill Tx descriptor */ 2093 desc->len = htole16(totlen); 2094 2095 desc->flags = ZYD_TX_FLAG_BACKOFF; 2096 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2097 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2098 if (totlen > ic->ic_rtsthreshold) { 2099 desc->flags |= ZYD_TX_FLAG_RTS; 2100 } else if (ZYD_RATE_IS_OFDM(rate) && 2101 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2102 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2103 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2104 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2105 desc->flags |= ZYD_TX_FLAG_RTS; 2106 } 2107 } else 2108 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2109 2110 if ((wh->i_fc[0] & 2111 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2112 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2113 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2114 2115 desc->phy = zyd_plcp_signal(rate); 2116 if (ZYD_RATE_IS_OFDM(rate)) { 2117 desc->phy |= ZYD_TX_PHY_OFDM; 2118 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2119 desc->phy |= ZYD_TX_PHY_5GHZ; 2120 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2121 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2122 2123 /* actual transmit length (XXX why +10?) */ 2124 pktlen = sizeof(struct zyd_tx_desc) + 10; 2125 if (sc->mac_rev == ZYD_ZD1211) 2126 pktlen += totlen; 2127 desc->pktlen = htole16(pktlen); 2128 2129 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2130 desc->plcp_service = 0; 2131 if (rate == 22) { 2132 const int remainder = (16 * totlen) % 22; 2133 if (remainder != 0 && remainder < 7) 2134 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2135 } 2136 2137 if (bpf_peers_present(sc->sc_drvbpf)) { 2138 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2139 2140 tap->wt_flags = 0; 2141 tap->wt_rate = rate; 2142 2143 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2144 } 2145 2146 m_copydata(m0, 0, m0->m_pkthdr.len, 2147 data->buf + sizeof(struct zyd_tx_desc)); 2148 2149 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2150 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2151 rate, xferlen)); 2152 2153 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2154 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2155 ZYD_TX_TIMEOUT, zyd_txeof); 2156 error = usbd_transfer(data->xfer); 2157 if (error != USBD_IN_PROGRESS && error != 0) { 2158 ifp->if_oerrors++; 2159 return EIO; 2160 } 2161 sc->tx_queued++; 2162 2163 return 0; 2164 } 2165 2166 static void 2167 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2168 { 2169 struct zyd_tx_data *data = priv; 2170 struct zyd_softc *sc = data->sc; 2171 struct ifnet *ifp = sc->sc_ifp; 2172 struct ieee80211_node *ni; 2173 struct mbuf *m; 2174 2175 if (status != USBD_NORMAL_COMPLETION) { 2176 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2177 return; 2178 2179 device_printf(sc->sc_dev, "could not transmit buffer: %s\n", 2180 usbd_errstr(status)); 2181 2182 if (status == USBD_STALLED) { 2183 usbd_clear_endpoint_stall_async( 2184 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2185 } 2186 ifp->if_oerrors++; 2187 return; 2188 } 2189 2190 ni = data->ni; 2191 /* update rate control statistics */ 2192 ((struct zyd_node *)ni)->amn.amn_txcnt++; 2193 2194 /* 2195 * Do any tx complete callback. Note this must 2196 * be done before releasing the node reference. 2197 */ 2198 m = data->m; 2199 if (m != NULL && m->m_flags & M_TXCB) { 2200 ieee80211_process_callback(ni, m, 0); /* XXX status? */ 2201 m_freem(m); 2202 data->m = NULL; 2203 } 2204 2205 ieee80211_free_node(ni); 2206 data->ni = NULL; 2207 2208 sc->tx_queued--; 2209 ifp->if_opackets++; 2210 2211 sc->tx_timer = 0; 2212 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2213 zyd_start(ifp); 2214 } 2215 2216 static int 2217 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2218 { 2219 struct ieee80211com *ic = &sc->sc_ic; 2220 struct ifnet *ifp = sc->sc_ifp; 2221 struct zyd_tx_desc *desc; 2222 struct zyd_tx_data *data; 2223 struct ieee80211_frame *wh; 2224 struct ieee80211_key *k; 2225 int xferlen, totlen, rate; 2226 uint16_t pktlen; 2227 usbd_status error; 2228 2229 wh = mtod(m0, struct ieee80211_frame *); 2230 data = &sc->tx_data[0]; 2231 desc = (struct zyd_tx_desc *)data->buf; 2232 2233 desc->flags = ZYD_TX_FLAG_BACKOFF; 2234 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2235 rate = ic->ic_mcast_rate; 2236 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2237 } else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2238 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2239 else 2240 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2241 rate &= IEEE80211_RATE_VAL; 2242 2243 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2244 k = ieee80211_crypto_encap(ic, ni, m0); 2245 if (k == NULL) { 2246 m_freem(m0); 2247 return ENOBUFS; 2248 } 2249 2250 /* packet header may have moved, reset our local pointer */ 2251 wh = mtod(m0, struct ieee80211_frame *); 2252 } 2253 2254 data->ni = ni; 2255 data->m = NULL; 2256 2257 xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len; 2258 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2259 2260 /* fill Tx descriptor */ 2261 desc->len = htole16(totlen); 2262 2263 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2264 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2265 if (totlen > ic->ic_rtsthreshold) { 2266 desc->flags |= ZYD_TX_FLAG_RTS; 2267 } else if (ZYD_RATE_IS_OFDM(rate) && 2268 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2269 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2270 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2271 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2272 desc->flags |= ZYD_TX_FLAG_RTS; 2273 } 2274 } 2275 2276 if ((wh->i_fc[0] & 2277 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2278 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2279 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2280 2281 desc->phy = zyd_plcp_signal(rate); 2282 if (ZYD_RATE_IS_OFDM(rate)) { 2283 desc->phy |= ZYD_TX_PHY_OFDM; 2284 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2285 desc->phy |= ZYD_TX_PHY_5GHZ; 2286 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2287 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2288 2289 /* actual transmit length (XXX why +10?) */ 2290 pktlen = sizeof(struct zyd_tx_desc) + 10; 2291 if (sc->mac_rev == ZYD_ZD1211) 2292 pktlen += totlen; 2293 desc->pktlen = htole16(pktlen); 2294 2295 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2296 desc->plcp_service = 0; 2297 if (rate == 22) { 2298 const int remainder = (16 * totlen) % 22; 2299 if (remainder != 0 && remainder < 7) 2300 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2301 } 2302 2303 if (bpf_peers_present(sc->sc_drvbpf)) { 2304 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2305 2306 tap->wt_flags = 0; 2307 tap->wt_rate = rate; 2308 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2309 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2310 2311 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2312 } 2313 2314 m_copydata(m0, 0, m0->m_pkthdr.len, 2315 data->buf + sizeof(struct zyd_tx_desc)); 2316 2317 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2318 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2319 rate, xferlen)); 2320 2321 m_freem(m0); /* mbuf no longer needed */ 2322 2323 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2324 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2325 ZYD_TX_TIMEOUT, zyd_txeof); 2326 error = usbd_transfer(data->xfer); 2327 if (error != USBD_IN_PROGRESS && error != 0) { 2328 ifp->if_oerrors++; 2329 return EIO; 2330 } 2331 sc->tx_queued++; 2332 2333 return 0; 2334 } 2335 2336 static void 2337 zyd_start(struct ifnet *ifp) 2338 { 2339 struct zyd_softc *sc = ifp->if_softc; 2340 struct ieee80211com *ic = &sc->sc_ic; 2341 struct ether_header *eh; 2342 struct ieee80211_node *ni; 2343 struct mbuf *m0; 2344 2345 for (;;) { 2346 IF_POLL(&ic->ic_mgtq, m0); 2347 if (m0 != NULL) { 2348 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2349 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2350 break; 2351 } 2352 IF_DEQUEUE(&ic->ic_mgtq, m0); 2353 2354 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2355 m0->m_pkthdr.rcvif = NULL; 2356 if (bpf_peers_present(ic->ic_rawbpf)) 2357 bpf_mtap(ic->ic_rawbpf, m0); 2358 if (zyd_tx_mgt(sc, m0, ni) != 0) 2359 break; 2360 } else { 2361 if (ic->ic_state != IEEE80211_S_RUN) 2362 break; 2363 IFQ_POLL(&ifp->if_snd, m0); 2364 if (m0 == NULL) 2365 break; 2366 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2367 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2368 break; 2369 } 2370 IFQ_DEQUEUE(&ifp->if_snd, m0); 2371 /* 2372 * Cancel any background scan. 2373 */ 2374 if (ic->ic_flags & IEEE80211_F_SCAN) 2375 ieee80211_cancel_scan(ic); 2376 2377 if (m0->m_len < sizeof(struct ether_header) && 2378 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2379 continue; 2380 2381 eh = mtod(m0, struct ether_header *); 2382 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2383 if (ni == NULL) { 2384 m_freem(m0); 2385 continue; 2386 } 2387 if (bpf_peers_present(ifp->if_bpf)) 2388 bpf_mtap(ifp->if_bpf, m0); 2389 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2390 ieee80211_free_node(ni); 2391 ifp->if_oerrors++; 2392 continue; 2393 } 2394 if (bpf_peers_present(ic->ic_rawbpf)) 2395 bpf_mtap(ic->ic_rawbpf, m0); 2396 if (zyd_tx_data(sc, m0, ni) != 0) { 2397 ieee80211_free_node(ni); 2398 ifp->if_oerrors++; 2399 break; 2400 } 2401 } 2402 2403 sc->tx_timer = 5; 2404 ic->ic_lastdata = ticks; 2405 callout_reset(&sc->sc_watchdog_ch, hz, zyd_watchdog, sc); 2406 } 2407 } 2408 2409 static void 2410 zyd_watchdog(void *arg) 2411 { 2412 struct zyd_softc *sc = arg; 2413 struct ieee80211com *ic = &sc->sc_ic; 2414 struct ifnet *ifp = ic->ic_ifp; 2415 2416 if (sc->tx_timer > 0) { 2417 if (--sc->tx_timer == 0) { 2418 device_printf(sc->sc_dev, "device timeout\n"); 2419 /* zyd_init(ifp); XXX needs a process context ? */ 2420 ifp->if_oerrors++; 2421 return; 2422 } 2423 callout_reset(&sc->sc_watchdog_ch, hz, zyd_watchdog, sc); 2424 } 2425 } 2426 2427 static int 2428 zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2429 { 2430 struct zyd_softc *sc = ifp->if_softc; 2431 struct ieee80211com *ic = &sc->sc_ic; 2432 int error = 0; 2433 2434 ZYD_LOCK(sc); 2435 2436 switch (cmd) { 2437 case SIOCSIFFLAGS: 2438 if (ifp->if_flags & IFF_UP) { 2439 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 2440 if ((ifp->if_flags ^ sc->sc_if_flags) & 2441 (IFF_ALLMULTI | IFF_PROMISC)) 2442 zyd_set_multi(sc); 2443 } else 2444 zyd_init(sc); 2445 } else { 2446 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2447 zyd_stop(sc, 1); 2448 } 2449 sc->sc_if_flags = ifp->if_flags; 2450 break; 2451 2452 case SIOCADDMULTI: 2453 case SIOCDELMULTI: 2454 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2455 zyd_set_multi(sc); 2456 break; 2457 2458 default: 2459 error = ieee80211_ioctl(ic, cmd, data); 2460 } 2461 2462 if (error == ENETRESET) { 2463 if ((ifp->if_flags & IFF_UP) == IFF_UP && 2464 (ifp->if_drv_flags & IFF_DRV_RUNNING) == IFF_DRV_RUNNING) 2465 zyd_init(sc); 2466 error = 0; 2467 } 2468 2469 ZYD_UNLOCK(sc); 2470 2471 return error; 2472 } 2473 2474 static void 2475 zyd_init(void *priv) 2476 { 2477 struct zyd_softc *sc = priv; 2478 struct ieee80211com *ic = &sc->sc_ic; 2479 struct ifnet *ifp = ic->ic_ifp; 2480 int i, error; 2481 2482 zyd_stop(sc, 0); 2483 2484 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); 2485 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2486 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2487 if (error != 0) 2488 return; 2489 2490 /* we'll do software WEP decryption for now */ 2491 DPRINTF(("setting encryption type\n")); 2492 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2493 if (error != 0) 2494 return; 2495 2496 /* promiscuous mode */ 2497 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 0); 2498 2499 /* multicast setup */ 2500 (void)zyd_set_multi(sc); 2501 2502 (void)zyd_set_rxfilter(sc); 2503 2504 /* switch radio transmitter ON */ 2505 (void)zyd_switch_radio(sc, 1); 2506 2507 /* XXX wrong, can't set here */ 2508 /* set basic rates */ 2509 if (ic->ic_curmode == IEEE80211_MODE_11B) 2510 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2511 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2512 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2513 else /* assumes 802.11b/g */ 2514 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2515 2516 /* set mandatory rates */ 2517 if (ic->ic_curmode == IEEE80211_MODE_11B) 2518 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2519 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2520 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2521 else /* assumes 802.11b/g */ 2522 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2523 2524 /* set default BSS channel */ 2525 zyd_set_chan(sc, ic->ic_curchan); 2526 2527 /* enable interrupts */ 2528 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2529 2530 /* 2531 * Allocate Tx and Rx xfer queues. 2532 */ 2533 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2534 device_printf(sc->sc_dev, "could not allocate Tx list\n"); 2535 goto fail; 2536 } 2537 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2538 device_printf(sc->sc_dev, "could not allocate Rx list\n"); 2539 goto fail; 2540 } 2541 2542 /* 2543 * Start up the receive pipe. 2544 */ 2545 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2546 struct zyd_rx_data *data = &sc->rx_data[i]; 2547 2548 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2549 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2550 USBD_NO_TIMEOUT, zyd_rxeof); 2551 error = usbd_transfer(data->xfer); 2552 if (error != USBD_IN_PROGRESS && error != 0) { 2553 device_printf(sc->sc_dev, 2554 "could not queue Rx transfer\n"); 2555 goto fail; 2556 } 2557 } 2558 2559 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2560 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2561 2562 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2563 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL) 2564 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2565 } else 2566 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2567 2568 return; 2569 2570 fail: zyd_stop(sc, 1); 2571 return; 2572 } 2573 2574 static void 2575 zyd_stop(struct zyd_softc *sc, int disable) 2576 { 2577 struct ifnet *ifp = sc->sc_ifp; 2578 struct ieee80211com *ic = &sc->sc_ic; 2579 2580 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2581 2582 sc->tx_timer = 0; 2583 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2584 2585 /* switch radio transmitter OFF */ 2586 (void)zyd_switch_radio(sc, 0); 2587 2588 /* disable Rx */ 2589 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2590 2591 /* disable interrupts */ 2592 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2593 2594 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2595 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2596 2597 zyd_free_rx_list(sc); 2598 zyd_free_tx_list(sc); 2599 } 2600 2601 static int 2602 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2603 { 2604 usb_device_request_t req; 2605 uint16_t addr; 2606 uint8_t stat; 2607 2608 DPRINTF(("firmware size=%zu\n", size)); 2609 2610 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2611 req.bRequest = ZYD_DOWNLOADREQ; 2612 USETW(req.wIndex, 0); 2613 2614 addr = ZYD_FIRMWARE_START_ADDR; 2615 while (size > 0) { 2616 #if 0 2617 const int mlen = min(size, 4096); 2618 #else 2619 /* 2620 * XXXX: When the transfer size is 4096 bytes, it is not 2621 * likely to be able to transfer it. 2622 * The cause is port or machine or chip? 2623 */ 2624 const int mlen = min(size, 64); 2625 #endif 2626 2627 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2628 addr)); 2629 2630 USETW(req.wValue, addr); 2631 USETW(req.wLength, mlen); 2632 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2633 return EIO; 2634 2635 addr += mlen / 2; 2636 fw += mlen; 2637 size -= mlen; 2638 } 2639 2640 /* check whether the upload succeeded */ 2641 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2642 req.bRequest = ZYD_DOWNLOADSTS; 2643 USETW(req.wValue, 0); 2644 USETW(req.wIndex, 0); 2645 USETW(req.wLength, sizeof(stat)); 2646 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2647 return EIO; 2648 2649 return (stat & 0x80) ? EIO : 0; 2650 } 2651 2652 static void 2653 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2654 { 2655 struct zyd_softc *sc = arg; 2656 struct zyd_node *zn = (struct zyd_node *)ni; 2657 2658 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2659 } 2660 2661 static void 2662 zyd_amrr_timeout(void *arg) 2663 { 2664 struct zyd_softc *sc = arg; 2665 struct ieee80211com *ic = &sc->sc_ic; 2666 2667 ZYD_LOCK(sc); 2668 if (ic->ic_opmode == IEEE80211_M_STA) 2669 zyd_iter_func(sc, ic->ic_bss); 2670 else 2671 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2672 ZYD_UNLOCK(sc); 2673 2674 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2675 } 2676 2677 static void 2678 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2679 { 2680 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2681 int i; 2682 2683 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2684 2685 /* set rate to some reasonable initial value */ 2686 for (i = ni->ni_rates.rs_nrates - 1; 2687 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2688 i--); 2689 ni->ni_txrate = i; 2690 } 2691 2692 static void 2693 zyd_scan_start(struct ieee80211com *ic) 2694 { 2695 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2696 2697 usb_rem_task(sc->sc_udev, &sc->sc_scantask); 2698 2699 /* do it in a process context */ 2700 sc->sc_scan_action = ZYD_SCAN_START; 2701 usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER); 2702 } 2703 2704 static void 2705 zyd_scan_end(struct ieee80211com *ic) 2706 { 2707 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2708 2709 usb_rem_task(sc->sc_udev, &sc->sc_scantask); 2710 2711 /* do it in a process context */ 2712 sc->sc_scan_action = ZYD_SCAN_END; 2713 usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER); 2714 } 2715 2716 static void 2717 zyd_set_channel(struct ieee80211com *ic) 2718 { 2719 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2720 2721 usb_rem_task(sc->sc_udev, &sc->sc_scantask); 2722 2723 /* do it in a process context */ 2724 sc->sc_scan_action = ZYD_SET_CHANNEL; 2725 usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER); 2726 } 2727 2728 static void 2729 zyd_scantask(void *arg) 2730 { 2731 struct zyd_softc *sc = arg; 2732 struct ieee80211com *ic = &sc->sc_ic; 2733 struct ifnet *ifp = ic->ic_ifp; 2734 2735 ZYD_LOCK(sc); 2736 2737 switch (sc->sc_scan_action) { 2738 case ZYD_SCAN_START: 2739 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2740 break; 2741 2742 case ZYD_SCAN_END: 2743 zyd_set_bssid(sc, ic->ic_bss->ni_bssid); 2744 break; 2745 2746 case ZYD_SET_CHANNEL: 2747 mtx_lock(&Giant); 2748 zyd_set_chan(sc, ic->ic_curchan); 2749 mtx_unlock(&Giant); 2750 break; 2751 2752 default: 2753 device_printf(sc->sc_dev, "unknown scan action %d\n", 2754 sc->sc_scan_action); 2755 break; 2756 } 2757 2758 ZYD_UNLOCK(sc); 2759 } 2760 2761 static device_method_t zyd_methods[] = { 2762 /* Device interface */ 2763 DEVMETHOD(device_probe, zyd_match), 2764 DEVMETHOD(device_attach, zyd_attach), 2765 DEVMETHOD(device_detach, zyd_detach), 2766 2767 { 0, 0 } 2768 }; 2769 2770 static driver_t zyd_driver = { 2771 "zyd", 2772 zyd_methods, 2773 sizeof(struct zyd_softc) 2774 }; 2775 2776 static devclass_t zyd_devclass; 2777 2778 DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, usbd_driver_load, 0); 2779 MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2780 MODULE_DEPEND(zyd, wlan_amrr, 1, 1, 1); 2781 MODULE_DEPEND(zyd, usb, 1, 1, 1);
Cache object: 50eb50b410edb00a53c742d999254830
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