if_zyd.c revision 1.6.2.4
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.6.2.4 2007/06/25 09:27:39 itohy 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 1.6.2.4 2007/06/25 09:27:39 itohy Exp $"); 26 27 #include "bpfilter.h" 28 29 #include <sys/param.h> 30 #include <sys/sockio.h> 31 #include <sys/proc.h> 32 #include <sys/mbuf.h> 33 #include <sys/kernel.h> 34 #include <sys/socket.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 40 #include <machine/bus.h> 41 #include <machine/endian.h> 42 43 #if NBPFILTER > 0 44 #include <net/bpf.h> 45 #endif 46 #include <net/if.h> 47 #include <net/if_arp.h> 48 #include <net/if_dl.h> 49 #include <net/if_ether.h> 50 #include <net/if_media.h> 51 #include <net/if_types.h> 52 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/in_var.h> 56 #include <netinet/ip.h> 57 58 #include <net80211/ieee80211_netbsd.h> 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_amrr.h> 61 #include <net80211/ieee80211_radiotap.h> 62 63 #include <dev/firmload.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 #include <dev/usb/usb_ethersubr.h> 70 71 #include <dev/usb/if_zydreg.h> 72 73 #ifdef USB_DEBUG 74 #define ZYD_DEBUG 75 #endif 76 77 #ifdef ZYD_DEBUG 78 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 79 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 80 int zyddebug = 0; 81 #else 82 #define DPRINTF(x) 83 #define DPRINTFN(n, x) 84 #endif 85 86 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 87 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 88 89 /* various supported device vendors/products */ 90 #define ZYD_ZD1211_DEV(v, p) \ 91 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 92 #define ZYD_ZD1211B_DEV(v, p) \ 93 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 94 static const struct zyd_type { 95 struct usb_devno dev; 96 uint8_t rev; 97 #define ZYD_ZD1211 0 98 #define ZYD_ZD1211B 1 99 } zyd_devs[] = { 100 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 101 ZYD_ZD1211_DEV(ABOCOM, WL54), 102 ZYD_ZD1211_DEV(ASUSTEK, WL159G), 103 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 104 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 105 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 106 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 107 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 108 ZYD_ZD1211_DEV(SAGEM, XG760A), 109 ZYD_ZD1211_DEV(SENAO, NUB8301), 110 ZYD_ZD1211_DEV(SITECOMEU, WL113), 111 ZYD_ZD1211_DEV(SWEEX, ZD1211), 112 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 113 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 114 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 115 ZYD_ZD1211_DEV(TWINMOS, G240), 116 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 117 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 118 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 119 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 120 ZYD_ZD1211_DEV(ZCOM, ZD1211), 121 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 122 ZYD_ZD1211_DEV(ZYXEL, AG225H), 123 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 124 125 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 126 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 127 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 128 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 129 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 130 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 131 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 132 ZYD_ZD1211B_DEV(MELCO, KG54L), 133 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 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 USB_DECLARE_DRIVER(zyd); 154 155 Static int zyd_attachhook(void *); 156 Static int zyd_complete_attach(struct zyd_softc *); 157 Static int zyd_open_pipes(struct zyd_softc *); 158 Static void zyd_abort_pipes(struct zyd_softc *); 159 Static void zyd_close_pipes(struct zyd_softc *); 160 Static void zyd_free_tx_list(struct zyd_softc *); 161 Static void zyd_free_rx_list(struct zyd_softc *); 162 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 163 Static int zyd_media_change(struct ifnet *); 164 Static void zyd_next_scan(void *); 165 Static void zyd_task(void *); 166 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 167 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 168 void *, int, u_int); 169 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 170 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 171 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 172 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 173 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 174 Static void zyd_lock_phy(struct zyd_softc *); 175 Static void zyd_unlock_phy(struct zyd_softc *); 176 Static int zyd_rfmd_init(struct zyd_rf *); 177 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 178 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 179 Static int zyd_al2230_init(struct zyd_rf *); 180 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 181 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 182 Static int zyd_al2230_init_b(struct zyd_rf *); 183 Static int zyd_al7230B_init(struct zyd_rf *); 184 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 185 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 186 Static int zyd_al2210_init(struct zyd_rf *); 187 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 188 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 189 Static int zyd_gct_init(struct zyd_rf *); 190 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 191 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 192 Static int zyd_maxim_init(struct zyd_rf *); 193 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 194 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 195 Static int zyd_maxim2_init(struct zyd_rf *); 196 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 197 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 198 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 199 Static const char *zyd_rf_name(uint8_t); 200 Static int zyd_hw_init(struct zyd_softc *); 201 Static int zyd_read_eeprom(struct zyd_softc *); 202 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 203 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 204 Static int zyd_switch_radio(struct zyd_softc *, int); 205 Static void zyd_set_led(struct zyd_softc *, int, int); 206 Static int zyd_set_rxfilter(struct zyd_softc *); 207 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 208 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 209 Static uint8_t zyd_plcp_signal(int); 210 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 211 Static void zyd_rx_data(struct zyd_softc *, struct mbuf *, uint16_t); 212 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 213 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 214 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 215 struct ieee80211_node *); 216 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 217 struct ieee80211_node *); 218 Static void zyd_start(struct ifnet *); 219 Static void zyd_watchdog(struct ifnet *); 220 Static int zyd_ioctl(struct ifnet *, u_long, usb_ioctlarg_t); 221 Static int zyd_init(struct ifnet *); 222 Static void zyd_stop(struct ifnet *, int); 223 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 224 Static void zyd_iter_func(void *, struct ieee80211_node *); 225 Static void zyd_amrr_timeout(void *); 226 Static void zyd_newassoc(struct ieee80211_node *, int); 227 228 static const struct ieee80211_rateset zyd_rateset_11b = 229 { 4, { 2, 4, 11, 22 } }; 230 231 static const struct ieee80211_rateset zyd_rateset_11g = 232 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 233 234 USB_MATCH(zyd) 235 { 236 USB_MATCH_START(zyd, uaa); 237 238 #ifndef USB_USE_IFATTACH 239 if (uaa->iface != NULL) 240 return UMATCH_NONE; 241 #endif /* USB_USE_IFATTACH */ 242 243 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 244 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 245 } 246 247 Static int 248 zyd_attachhook(void *xsc) 249 { 250 struct zyd_softc *sc = xsc; 251 firmware_handle_t fwh; 252 const char *fwname; 253 u_char *fw; 254 size_t size; 255 int error; 256 257 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 258 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 259 printf("%s: failed to open firmware %s (error=%d)\n", 260 USBDEVNAME(sc->sc_dev), fwname, error); 261 return error; 262 } 263 size = firmware_get_size(fwh); 264 fw = firmware_malloc(size); 265 if (fw == NULL) { 266 printf("%s: failed to allocate firmware memory\n", 267 USBDEVNAME(sc->sc_dev)); 268 firmware_close(fwh); 269 return ENOMEM;; 270 } 271 error = firmware_read(fwh, 0, fw, size); 272 firmware_close(fwh); 273 if (error != 0) { 274 printf("%s: failed to read firmware (error %d)\n", 275 USBDEVNAME(sc->sc_dev), error); 276 firmware_free(fw, 0); 277 return error; 278 } 279 280 error = zyd_loadfirmware(sc, fw, size); 281 if (error != 0) { 282 printf("%s: could not load firmware (error=%d)\n", 283 USBDEVNAME(sc->sc_dev), error); 284 firmware_free(fw, 0); 285 return ENXIO; 286 } 287 288 firmware_free(fw, 0); 289 sc->sc_flags |= ZD1211_FWLOADED; 290 291 /* complete the attach process */ 292 if ((error = zyd_complete_attach(sc)) == 0) 293 sc->attached = 1; 294 return error; 295 } 296 297 USB_ATTACH(zyd) 298 { 299 USB_ATTACH_START(zyd, sc, uaa); 300 char *devinfop; 301 usb_device_descriptor_t* ddesc; 302 struct ifnet *ifp = &sc->sc_if; 303 304 sc->sc_udev = uaa->device; 305 sc->sc_flags = 0; 306 307 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 308 USB_ATTACH_SETUP; 309 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 310 usbd_devinfo_free(devinfop); 311 312 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 313 314 ddesc = usbd_get_device_descriptor(sc->sc_udev); 315 if (UGETW(ddesc->bcdDevice) < 0x4330) { 316 printf("%s: device version mismatch: 0x%x " 317 "(only >= 43.30 supported)\n", USBDEVNAME(sc->sc_dev), 318 UGETW(ddesc->bcdDevice)); 319 USB_ATTACH_ERROR_RETURN; 320 } 321 322 ifp->if_softc = sc; 323 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 324 ifp->if_init = zyd_init; 325 ifp->if_ioctl = zyd_ioctl; 326 ifp->if_start = zyd_start; 327 ifp->if_watchdog = zyd_watchdog; 328 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 329 IFQ_SET_READY(&ifp->if_snd); 330 memcpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); 331 332 if_attach(ifp); 333 /* XXXX: alloc temporarily until the layer2 can be configured. */ 334 if_alloc_sadl(ifp); 335 336 SIMPLEQ_INIT(&sc->sc_rqh); 337 338 USB_ATTACH_SUCCESS_RETURN; 339 } 340 341 Static int 342 zyd_complete_attach(struct zyd_softc *sc) 343 { 344 struct ieee80211com *ic = &sc->sc_ic; 345 struct ifnet *ifp = &sc->sc_if; 346 usbd_status error; 347 int i; 348 349 usb_init_task(&sc->sc_task, zyd_task, sc); 350 usb_callout_init(sc->sc_scan_ch); 351 352 sc->amrr.amrr_min_success_threshold = 1; 353 sc->amrr.amrr_max_success_threshold = 10; 354 usb_callout_init(sc->sc_amrr_ch); 355 356 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 357 if (error != 0) { 358 printf("%s: setting config no failed\n", 359 USBDEVNAME(sc->sc_dev)); 360 goto fail; 361 } 362 363 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 364 &sc->sc_iface); 365 if (error != 0) { 366 printf("%s: getting interface handle failed\n", 367 USBDEVNAME(sc->sc_dev)); 368 goto fail; 369 } 370 371 if ((error = zyd_open_pipes(sc)) != 0) { 372 printf("%s: could not open pipes\n", USBDEVNAME(sc->sc_dev)); 373 goto fail; 374 } 375 376 if ((error = zyd_read_eeprom(sc)) != 0) { 377 printf("%s: could not read EEPROM\n", USBDEVNAME(sc->sc_dev)); 378 goto fail; 379 } 380 381 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 382 printf("%s: could not attach RF\n", USBDEVNAME(sc->sc_dev)); 383 goto fail; 384 } 385 386 if ((error = zyd_hw_init(sc)) != 0) { 387 printf("%s: hardware initialization failed\n", 388 USBDEVNAME(sc->sc_dev)); 389 goto fail; 390 } 391 392 printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 393 USBDEVNAME(sc->sc_dev), (sc->mac_rev == ZYD_ZD1211) ? "": "B", 394 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 395 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 396 397 ic->ic_ifp = ifp; 398 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 399 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 400 ic->ic_state = IEEE80211_S_INIT; 401 402 /* set device capabilities */ 403 ic->ic_caps = 404 IEEE80211_C_MONITOR | /* monitor mode supported */ 405 IEEE80211_C_TXPMGT | /* tx power management */ 406 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 407 IEEE80211_C_WEP; /* s/w WEP */ 408 409 /* set supported .11b and .11g rates */ 410 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 411 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 412 413 /* set supported .11b and .11g channels (1 through 14) */ 414 for (i = 1; i <= 14; i++) { 415 ic->ic_channels[i].ic_freq = 416 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 417 ic->ic_channels[i].ic_flags = 418 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 419 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 420 } 421 422 if_free_sadl(ifp); 423 ieee80211_ifattach(ic); 424 ic->ic_node_alloc = zyd_node_alloc; 425 ic->ic_newassoc = zyd_newassoc; 426 427 /* override state transition machine */ 428 sc->sc_newstate = ic->ic_newstate; 429 ic->ic_newstate = zyd_newstate; 430 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 431 432 #if NBPFILTER > 0 433 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 434 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 435 &sc->sc_drvbpf); 436 437 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 438 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 439 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 440 441 sc->sc_txtap_len = sizeof sc->sc_txtapu; 442 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 443 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 444 #endif 445 446 ieee80211_announce(ic); 447 448 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 449 USBDEV(sc->sc_dev)); 450 451 fail: return error; 452 } 453 454 USB_DETACH(zyd) 455 { 456 USB_DETACH_START(zyd, sc); 457 struct ieee80211com *ic = &sc->sc_ic; 458 struct ifnet *ifp = &sc->sc_if; 459 int s; 460 461 if (!sc->attached) { 462 if_free_sadl(ifp); 463 if_detach(ifp); 464 return 0; 465 } 466 467 s = splusb(); 468 469 zyd_stop(ifp, 1); 470 usb_rem_task(sc->sc_udev, &sc->sc_task); 471 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 472 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 473 474 zyd_abort_pipes(sc); 475 476 zyd_free_rx_list(sc); 477 zyd_free_tx_list(sc); 478 479 zyd_close_pipes(sc); 480 481 sc->attached = 0; 482 483 #if NBPFILTER > 0 484 bpfdetach(ifp); 485 #endif 486 ieee80211_ifdetach(ic); 487 if_detach(ifp); 488 489 splx(s); 490 491 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 492 USBDEV(sc->sc_dev)); 493 494 return 0; 495 } 496 497 Static int 498 zyd_open_pipes(struct zyd_softc *sc) 499 { 500 usb_endpoint_descriptor_t *edesc; 501 int isize; 502 usbd_status error; 503 504 /* interrupt in */ 505 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 506 if (edesc == NULL) 507 return EINVAL; 508 509 isize = UGETW(edesc->wMaxPacketSize); 510 if (isize == 0) /* should not happen */ 511 return EINVAL; 512 513 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 514 if (sc->ibuf == NULL) 515 return ENOMEM; 516 517 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 518 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 519 USBD_DEFAULT_INTERVAL); 520 if (error != 0) { 521 printf("%s: open rx intr pipe failed: %s\n", 522 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 523 goto fail; 524 } 525 526 /* interrupt out (not necessarily an interrupt pipe) */ 527 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 528 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 529 if (error != 0) { 530 printf("%s: open tx intr pipe failed: %s\n", 531 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 532 goto fail; 533 } 534 535 /* bulk in */ 536 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 537 &sc->zyd_ep[ZYD_ENDPT_BIN]); 538 if (error != 0) { 539 printf("%s: open rx pipe failed: %s\n", 540 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 541 goto fail; 542 } 543 544 /* bulk out */ 545 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 546 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 547 if (error != 0) { 548 printf("%s: open tx pipe failed: %s\n", 549 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 550 goto fail; 551 } 552 553 return 0; 554 555 fail: zyd_close_pipes(sc); 556 return error; 557 } 558 559 Static void 560 zyd_abort_pipes(struct zyd_softc *sc) 561 { 562 int i; 563 564 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 565 if (sc->zyd_ep[i] != NULL) { 566 usbd_abort_pipe(sc->zyd_ep[i]); 567 } 568 } 569 } 570 571 Static void 572 zyd_close_pipes(struct zyd_softc *sc) 573 { 574 int i; 575 576 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 577 if (sc->zyd_ep[i] != NULL) { 578 usbd_close_pipe(sc->zyd_ep[i]); 579 sc->zyd_ep[i] = NULL; 580 } 581 } 582 if (sc->ibuf != NULL) { 583 free(sc->ibuf, M_USBDEV); 584 sc->ibuf = NULL; 585 } 586 } 587 588 Static void 589 zyd_free_tx_list(struct zyd_softc *sc) 590 { 591 int i; 592 593 usb_ether_tx_list_free(sc->tx_data, ZYD_TX_LIST_CNT); 594 595 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 596 if (sc->tx_ni[i] != NULL) { 597 ieee80211_free_node(sc->tx_ni[i]); 598 sc->tx_ni[i] = NULL; 599 } 600 } 601 } 602 603 Static void 604 zyd_free_rx_list(struct zyd_softc *sc) 605 { 606 607 usb_ether_rx_list_free(sc->rx_data, ZYD_RX_LIST_CNT); 608 } 609 610 /* ARGUSED */ 611 Static struct ieee80211_node * 612 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 613 { 614 struct zyd_node *zn; 615 616 zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT); 617 if (zn != NULL) 618 bzero(zn, sizeof (struct zyd_node)); 619 return (struct ieee80211_node *)zn; 620 } 621 622 Static int 623 zyd_media_change(struct ifnet *ifp) 624 { 625 int error; 626 627 error = ieee80211_media_change(ifp); 628 if (error != ENETRESET) 629 return error; 630 631 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 632 zyd_init(ifp); 633 634 return 0; 635 } 636 637 /* 638 * This function is called periodically (every 200ms) during scanning to 639 * switch from one channel to another. 640 */ 641 Static void 642 zyd_next_scan(void *arg) 643 { 644 struct zyd_softc *sc = arg; 645 struct ieee80211com *ic = &sc->sc_ic; 646 647 if (ic->ic_state == IEEE80211_S_SCAN) 648 ieee80211_next_scan(ic); 649 } 650 651 Static void 652 zyd_task(void *arg) 653 { 654 struct zyd_softc *sc = arg; 655 struct ieee80211com *ic = &sc->sc_ic; 656 enum ieee80211_state ostate; 657 658 ostate = ic->ic_state; 659 660 switch (sc->sc_state) { 661 case IEEE80211_S_INIT: 662 if (ostate == IEEE80211_S_RUN) { 663 /* turn link LED off */ 664 zyd_set_led(sc, ZYD_LED1, 0); 665 666 /* stop data LED from blinking */ 667 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 668 } 669 break; 670 671 case IEEE80211_S_SCAN: 672 zyd_set_chan(sc, ic->ic_curchan); 673 usb_callout(sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 674 break; 675 676 case IEEE80211_S_AUTH: 677 case IEEE80211_S_ASSOC: 678 zyd_set_chan(sc, ic->ic_curchan); 679 break; 680 681 case IEEE80211_S_RUN: 682 { 683 struct ieee80211_node *ni = ic->ic_bss; 684 685 zyd_set_chan(sc, ic->ic_curchan); 686 687 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 688 /* turn link LED on */ 689 zyd_set_led(sc, ZYD_LED1, 1); 690 691 /* make data LED blink upon Tx */ 692 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 693 694 zyd_set_bssid(sc, ni->ni_bssid); 695 } 696 697 if (ic->ic_opmode == IEEE80211_M_STA) { 698 /* fake a join to init the tx rate */ 699 zyd_newassoc(ni, 1); 700 } 701 702 /* start automatic rate control timer */ 703 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 704 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 705 706 break; 707 } 708 } 709 710 sc->sc_newstate(ic, sc->sc_state, -1); 711 } 712 713 Static int 714 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 715 { 716 struct zyd_softc *sc = ic->ic_ifp->if_softc; 717 718 usb_rem_task(sc->sc_udev, &sc->sc_task); 719 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 720 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 721 722 /* do it in a process context */ 723 sc->sc_state = nstate; 724 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 725 726 return 0; 727 } 728 729 Static int 730 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 731 void *odata, int olen, u_int flags) 732 { 733 usbd_xfer_handle xfer; 734 struct zyd_cmd cmd; 735 struct rq rq; 736 uint16_t xferflags; 737 usbd_status error; 738 int s = 0; 739 740 if ((xfer = usbd_alloc_xfer(sc->sc_udev, sc->zyd_ep[ZYD_ENDPT_IOUT])) 741 == NULL) 742 return ENOMEM; 743 744 cmd.code = htole16(code); 745 bcopy(idata, cmd.data, ilen); 746 747 xferflags = USBD_FORCE_SHORT_XFER; 748 if (!(flags & ZYD_CMD_FLAG_READ)) 749 xferflags |= USBD_SYNCHRONOUS; 750 else { 751 s = splusb(); 752 rq.idata = idata; 753 rq.odata = odata; 754 rq.len = olen / sizeof (struct zyd_pair); 755 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 756 } 757 758 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 759 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 760 error = usbd_transfer(xfer); 761 if (error != USBD_IN_PROGRESS && error != 0) { 762 if (flags & ZYD_CMD_FLAG_READ) 763 splx(s); 764 printf("%s: could not send command (error=%s)\n", 765 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 766 (void)usbd_free_xfer(xfer); 767 return EIO; 768 } 769 if (!(flags & ZYD_CMD_FLAG_READ)) { 770 (void)usbd_free_xfer(xfer); 771 return 0; /* write: don't wait for reply */ 772 } 773 /* wait at most one second for command reply */ 774 error = tsleep(odata, PCATCH, "zydcmd", hz); 775 if (error == EWOULDBLOCK) 776 printf("%s: zyd_read sleep timeout\n", USBDEVNAME(sc->sc_dev)); 777 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 778 splx(s); 779 780 (void)usbd_free_xfer(xfer); 781 return error; 782 } 783 784 Static int 785 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 786 { 787 struct zyd_pair tmp; 788 int error; 789 790 reg = htole16(reg); 791 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 792 ZYD_CMD_FLAG_READ); 793 if (error == 0) 794 *val = le16toh(tmp.val); 795 return error; 796 } 797 798 Static int 799 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 800 { 801 struct zyd_pair tmp[2]; 802 uint16_t regs[2]; 803 int error; 804 805 regs[0] = htole16(ZYD_REG32_HI(reg)); 806 regs[1] = htole16(ZYD_REG32_LO(reg)); 807 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 808 ZYD_CMD_FLAG_READ); 809 if (error == 0) 810 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 811 return error; 812 } 813 814 Static int 815 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 816 { 817 struct zyd_pair pair; 818 819 pair.reg = htole16(reg); 820 pair.val = htole16(val); 821 822 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 823 } 824 825 Static int 826 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 827 { 828 struct zyd_pair pair[2]; 829 830 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 831 pair[0].val = htole16(val >> 16); 832 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 833 pair[1].val = htole16(val & 0xffff); 834 835 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 836 } 837 838 Static int 839 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 840 { 841 struct zyd_rf *rf = &sc->sc_rf; 842 struct zyd_rfwrite req; 843 uint16_t cr203; 844 int i; 845 846 (void)zyd_read16(sc, ZYD_CR203, &cr203); 847 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 848 849 req.code = htole16(2); 850 req.width = htole16(rf->width); 851 for (i = 0; i < rf->width; i++) { 852 req.bit[i] = htole16(cr203); 853 if (val & (1 << (rf->width - 1 - i))) 854 req.bit[i] |= htole16(ZYD_RF_DATA); 855 } 856 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 857 } 858 859 Static void 860 zyd_lock_phy(struct zyd_softc *sc) 861 { 862 uint32_t tmp; 863 864 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 865 tmp &= ~ZYD_UNLOCK_PHY_REGS; 866 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 867 } 868 869 Static void 870 zyd_unlock_phy(struct zyd_softc *sc) 871 { 872 uint32_t tmp; 873 874 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 875 tmp |= ZYD_UNLOCK_PHY_REGS; 876 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 877 } 878 879 /* 880 * RFMD RF methods. 881 */ 882 Static int 883 zyd_rfmd_init(struct zyd_rf *rf) 884 { 885 #define N(a) (sizeof (a) / sizeof ((a)[0])) 886 struct zyd_softc *sc = rf->rf_sc; 887 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 888 static const uint32_t rfini[] = ZYD_RFMD_RF; 889 int i, error; 890 891 /* init RF-dependent PHY registers */ 892 for (i = 0; i < N(phyini); i++) { 893 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 894 if (error != 0) 895 return error; 896 } 897 898 /* init RFMD radio */ 899 for (i = 0; i < N(rfini); i++) { 900 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 901 return error; 902 } 903 return 0; 904 #undef N 905 } 906 907 Static int 908 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 909 { 910 struct zyd_softc *sc = rf->rf_sc; 911 912 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 913 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 914 915 return 0; 916 } 917 918 Static int 919 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 920 { 921 struct zyd_softc *sc = rf->rf_sc; 922 static const struct { 923 uint32_t r1, r2; 924 } rfprog[] = ZYD_RFMD_CHANTABLE; 925 926 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 927 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 928 929 return 0; 930 } 931 932 /* 933 * AL2230 RF methods. 934 */ 935 Static int 936 zyd_al2230_init(struct zyd_rf *rf) 937 { 938 #define N(a) (sizeof (a) / sizeof ((a)[0])) 939 struct zyd_softc *sc = rf->rf_sc; 940 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 941 static const uint32_t rfini[] = ZYD_AL2230_RF; 942 int i, error; 943 944 /* init RF-dependent PHY registers */ 945 for (i = 0; i < N(phyini); i++) { 946 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 947 if (error != 0) 948 return error; 949 } 950 951 /* init AL2230 radio */ 952 for (i = 0; i < N(rfini); i++) { 953 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 954 return error; 955 } 956 return 0; 957 #undef N 958 } 959 960 Static int 961 zyd_al2230_init_b(struct zyd_rf *rf) 962 { 963 #define N(a) (sizeof (a) / sizeof ((a)[0])) 964 struct zyd_softc *sc = rf->rf_sc; 965 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 966 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 967 int i, error; 968 969 /* init RF-dependent PHY registers */ 970 for (i = 0; i < N(phyini); i++) { 971 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 972 if (error != 0) 973 return error; 974 } 975 976 /* init AL2230 radio */ 977 for (i = 0; i < N(rfini); i++) { 978 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 979 return error; 980 } 981 return 0; 982 #undef N 983 } 984 985 Static int 986 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 987 { 988 struct zyd_softc *sc = rf->rf_sc; 989 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 990 991 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 992 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 993 994 return 0; 995 } 996 997 Static int 998 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 999 { 1000 struct zyd_softc *sc = rf->rf_sc; 1001 static const struct { 1002 uint32_t r1, r2, r3; 1003 } rfprog[] = ZYD_AL2230_CHANTABLE; 1004 1005 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1006 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1007 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1008 1009 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1010 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1011 1012 return 0; 1013 } 1014 1015 /* 1016 * AL7230B RF methods. 1017 */ 1018 Static int 1019 zyd_al7230B_init(struct zyd_rf *rf) 1020 { 1021 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1022 struct zyd_softc *sc = rf->rf_sc; 1023 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1024 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1025 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1026 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1027 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1028 int i, error; 1029 1030 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1031 1032 /* init RF-dependent PHY registers, part one */ 1033 for (i = 0; i < N(phyini_1); i++) { 1034 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1035 if (error != 0) 1036 return error; 1037 } 1038 /* init AL7230B radio, part one */ 1039 for (i = 0; i < N(rfini_1); i++) { 1040 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1041 return error; 1042 } 1043 /* init RF-dependent PHY registers, part two */ 1044 for (i = 0; i < N(phyini_2); i++) { 1045 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1046 if (error != 0) 1047 return error; 1048 } 1049 /* init AL7230B radio, part two */ 1050 for (i = 0; i < N(rfini_2); i++) { 1051 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1052 return error; 1053 } 1054 /* init RF-dependent PHY registers, part three */ 1055 for (i = 0; i < N(phyini_3); i++) { 1056 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1057 if (error != 0) 1058 return error; 1059 } 1060 1061 return 0; 1062 #undef N 1063 } 1064 1065 Static int 1066 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1067 { 1068 struct zyd_softc *sc = rf->rf_sc; 1069 1070 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1071 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1072 1073 return 0; 1074 } 1075 1076 Static int 1077 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1078 { 1079 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1080 struct zyd_softc *sc = rf->rf_sc; 1081 static const struct { 1082 uint32_t r1, r2; 1083 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1084 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1085 int i, error; 1086 1087 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1088 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1089 1090 for (i = 0; i < N(rfsc); i++) { 1091 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1092 return error; 1093 } 1094 1095 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1096 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1097 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1098 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1099 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1100 1101 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1102 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1103 (void)zyd_rfwrite(sc, 0x3c9000); 1104 1105 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1106 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1107 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1108 1109 return 0; 1110 #undef N 1111 } 1112 1113 /* 1114 * AL2210 RF methods. 1115 */ 1116 Static int 1117 zyd_al2210_init(struct zyd_rf *rf) 1118 { 1119 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1120 struct zyd_softc *sc = rf->rf_sc; 1121 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1122 static const uint32_t rfini[] = ZYD_AL2210_RF; 1123 uint32_t tmp; 1124 int i, error; 1125 1126 (void)zyd_write32(sc, ZYD_CR18, 2); 1127 1128 /* init RF-dependent PHY registers */ 1129 for (i = 0; i < N(phyini); i++) { 1130 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1131 if (error != 0) 1132 return error; 1133 } 1134 /* init AL2210 radio */ 1135 for (i = 0; i < N(rfini); i++) { 1136 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1137 return error; 1138 } 1139 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1140 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1141 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1142 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1143 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1144 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1145 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1146 (void)zyd_write32(sc, ZYD_CR18, 3); 1147 1148 return 0; 1149 #undef N 1150 } 1151 1152 Static int 1153 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1154 { 1155 /* vendor driver does nothing for this RF chip */ 1156 1157 return 0; 1158 } 1159 1160 Static int 1161 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1162 { 1163 struct zyd_softc *sc = rf->rf_sc; 1164 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1165 uint32_t tmp; 1166 1167 (void)zyd_write32(sc, ZYD_CR18, 2); 1168 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1169 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1170 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1171 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1172 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1173 1174 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1175 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1176 1177 /* actually set the channel */ 1178 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1179 1180 (void)zyd_write32(sc, ZYD_CR18, 3); 1181 1182 return 0; 1183 } 1184 1185 /* 1186 * GCT RF methods. 1187 */ 1188 Static int 1189 zyd_gct_init(struct zyd_rf *rf) 1190 { 1191 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1192 struct zyd_softc *sc = rf->rf_sc; 1193 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1194 static const uint32_t rfini[] = ZYD_GCT_RF; 1195 int i, error; 1196 1197 /* init RF-dependent PHY registers */ 1198 for (i = 0; i < N(phyini); i++) { 1199 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1200 if (error != 0) 1201 return error; 1202 } 1203 /* init cgt radio */ 1204 for (i = 0; i < N(rfini); i++) { 1205 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1206 return error; 1207 } 1208 return 0; 1209 #undef N 1210 } 1211 1212 Static int 1213 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1214 { 1215 /* vendor driver does nothing for this RF chip */ 1216 1217 return 0; 1218 } 1219 1220 Static int 1221 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1222 { 1223 struct zyd_softc *sc = rf->rf_sc; 1224 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1225 1226 (void)zyd_rfwrite(sc, 0x1c0000); 1227 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1228 (void)zyd_rfwrite(sc, 0x1c0008); 1229 1230 return 0; 1231 } 1232 1233 /* 1234 * Maxim RF methods. 1235 */ 1236 Static int 1237 zyd_maxim_init(struct zyd_rf *rf) 1238 { 1239 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1240 struct zyd_softc *sc = rf->rf_sc; 1241 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1242 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1243 uint16_t tmp; 1244 int i, error; 1245 1246 /* init RF-dependent PHY registers */ 1247 for (i = 0; i < N(phyini); i++) { 1248 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1249 if (error != 0) 1250 return error; 1251 } 1252 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1253 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1254 1255 /* init maxim radio */ 1256 for (i = 0; i < N(rfini); i++) { 1257 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1258 return error; 1259 } 1260 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1261 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1262 1263 return 0; 1264 #undef N 1265 } 1266 1267 Static int 1268 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1269 { 1270 /* vendor driver does nothing for this RF chip */ 1271 1272 return 0; 1273 } 1274 1275 Static int 1276 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1277 { 1278 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1279 struct zyd_softc *sc = rf->rf_sc; 1280 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1281 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1282 static const struct { 1283 uint32_t r1, r2; 1284 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1285 uint16_t tmp; 1286 int i, error; 1287 1288 /* 1289 * Do the same as we do when initializing it, except for the channel 1290 * values coming from the two channel tables. 1291 */ 1292 1293 /* init RF-dependent PHY registers */ 1294 for (i = 0; i < N(phyini); i++) { 1295 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1296 if (error != 0) 1297 return error; 1298 } 1299 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1300 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1301 1302 /* first two values taken from the chantables */ 1303 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1304 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1305 1306 /* init maxim radio - skipping the two first values */ 1307 for (i = 2; i < N(rfini); i++) { 1308 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1315 #undef N 1316 } 1317 1318 /* 1319 * Maxim2 RF methods. 1320 */ 1321 Static int 1322 zyd_maxim2_init(struct zyd_rf *rf) 1323 { 1324 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1325 struct zyd_softc *sc = rf->rf_sc; 1326 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1327 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1328 uint16_t tmp; 1329 int i, error; 1330 1331 /* init RF-dependent PHY registers */ 1332 for (i = 0; i < N(phyini); i++) { 1333 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1334 if (error != 0) 1335 return error; 1336 } 1337 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1338 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1339 1340 /* init maxim2 radio */ 1341 for (i = 0; i < N(rfini); i++) { 1342 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1343 return error; 1344 } 1345 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1346 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1347 1348 return 0; 1349 #undef N 1350 } 1351 1352 Static int 1353 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1354 { 1355 /* vendor driver does nothing for this RF chip */ 1356 1357 return 0; 1358 } 1359 1360 Static int 1361 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1362 { 1363 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1364 struct zyd_softc *sc = rf->rf_sc; 1365 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1366 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1367 static const struct { 1368 uint32_t r1, r2; 1369 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1370 uint16_t tmp; 1371 int i, error; 1372 1373 /* 1374 * Do the same as we do when initializing it, except for the channel 1375 * values coming from the two channel tables. 1376 */ 1377 1378 /* init RF-dependent PHY registers */ 1379 for (i = 0; i < N(phyini); i++) { 1380 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1381 if (error != 0) 1382 return error; 1383 } 1384 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1385 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1386 1387 /* first two values taken from the chantables */ 1388 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1389 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1390 1391 /* init maxim2 radio - skipping the two first values */ 1392 for (i = 2; i < N(rfini); i++) { 1393 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1400 #undef N 1401 } 1402 1403 Static int 1404 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1405 { 1406 struct zyd_rf *rf = &sc->sc_rf; 1407 1408 rf->rf_sc = sc; 1409 1410 switch (type) { 1411 case ZYD_RF_RFMD: 1412 rf->init = zyd_rfmd_init; 1413 rf->switch_radio = zyd_rfmd_switch_radio; 1414 rf->set_channel = zyd_rfmd_set_channel; 1415 rf->width = 24; /* 24-bit RF values */ 1416 break; 1417 case ZYD_RF_AL2230: 1418 if (sc->mac_rev == ZYD_ZD1211B) 1419 rf->init = zyd_al2230_init_b; 1420 else 1421 rf->init = zyd_al2230_init; 1422 rf->switch_radio = zyd_al2230_switch_radio; 1423 rf->set_channel = zyd_al2230_set_channel; 1424 rf->width = 24; /* 24-bit RF values */ 1425 break; 1426 case ZYD_RF_AL7230B: 1427 rf->init = zyd_al7230B_init; 1428 rf->switch_radio = zyd_al7230B_switch_radio; 1429 rf->set_channel = zyd_al7230B_set_channel; 1430 rf->width = 24; /* 24-bit RF values */ 1431 break; 1432 case ZYD_RF_AL2210: 1433 rf->init = zyd_al2210_init; 1434 rf->switch_radio = zyd_al2210_switch_radio; 1435 rf->set_channel = zyd_al2210_set_channel; 1436 rf->width = 24; /* 24-bit RF values */ 1437 break; 1438 case ZYD_RF_GCT: 1439 rf->init = zyd_gct_init; 1440 rf->switch_radio = zyd_gct_switch_radio; 1441 rf->set_channel = zyd_gct_set_channel; 1442 rf->width = 21; /* 21-bit RF values */ 1443 break; 1444 case ZYD_RF_MAXIM_NEW: 1445 rf->init = zyd_maxim_init; 1446 rf->switch_radio = zyd_maxim_switch_radio; 1447 rf->set_channel = zyd_maxim_set_channel; 1448 rf->width = 18; /* 18-bit RF values */ 1449 break; 1450 case ZYD_RF_MAXIM_NEW2: 1451 rf->init = zyd_maxim2_init; 1452 rf->switch_radio = zyd_maxim2_switch_radio; 1453 rf->set_channel = zyd_maxim2_set_channel; 1454 rf->width = 18; /* 18-bit RF values */ 1455 break; 1456 default: 1457 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1458 USBDEVNAME(sc->sc_dev), zyd_rf_name(type)); 1459 return EINVAL; 1460 } 1461 return 0; 1462 } 1463 1464 Static const char * 1465 zyd_rf_name(uint8_t type) 1466 { 1467 static const char * const zyd_rfs[] = { 1468 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1469 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1470 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1471 "PHILIPS" 1472 }; 1473 1474 return zyd_rfs[(type > 15) ? 0 : type]; 1475 } 1476 1477 Static int 1478 zyd_hw_init(struct zyd_softc *sc) 1479 { 1480 struct zyd_rf *rf = &sc->sc_rf; 1481 const struct zyd_phy_pair *phyp; 1482 int error; 1483 1484 /* specify that the plug and play is finished */ 1485 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1486 1487 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1488 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1489 1490 /* retrieve firmware revision number */ 1491 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1492 1493 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1494 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1495 1496 /* disable interrupts */ 1497 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1498 1499 /* PHY init */ 1500 zyd_lock_phy(sc); 1501 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1502 for (; phyp->reg != 0; phyp++) { 1503 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1504 goto fail; 1505 } 1506 zyd_unlock_phy(sc); 1507 1508 /* HMAC init */ 1509 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1510 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1511 1512 if (sc->mac_rev == ZYD_ZD1211) { 1513 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1514 } else { 1515 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1516 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1517 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1518 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1519 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1520 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1521 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1522 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1523 } 1524 1525 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1526 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1527 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1528 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1529 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1530 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1531 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1532 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1533 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1534 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1535 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1536 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1537 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1538 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1539 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1540 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1541 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1542 1543 /* RF chip init */ 1544 zyd_lock_phy(sc); 1545 error = (*rf->init)(rf); 1546 zyd_unlock_phy(sc); 1547 if (error != 0) { 1548 printf("%s: radio initialization failed\n", 1549 USBDEVNAME(sc->sc_dev)); 1550 goto fail; 1551 } 1552 1553 /* init beacon interval to 100ms */ 1554 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1555 goto fail; 1556 1557 fail: return error; 1558 } 1559 1560 Static int 1561 zyd_read_eeprom(struct zyd_softc *sc) 1562 { 1563 struct ieee80211com *ic = &sc->sc_ic; 1564 uint32_t tmp; 1565 uint16_t val; 1566 int i; 1567 1568 /* read MAC address */ 1569 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1570 ic->ic_myaddr[0] = tmp & 0xff; 1571 ic->ic_myaddr[1] = tmp >> 8; 1572 ic->ic_myaddr[2] = tmp >> 16; 1573 ic->ic_myaddr[3] = tmp >> 24; 1574 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1575 ic->ic_myaddr[4] = tmp & 0xff; 1576 ic->ic_myaddr[5] = tmp >> 8; 1577 1578 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1579 sc->rf_rev = tmp & 0x0f; 1580 sc->pa_rev = (tmp >> 16) & 0x0f; 1581 1582 /* read regulatory domain (currently unused) */ 1583 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1584 sc->regdomain = tmp >> 16; 1585 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1586 1587 /* read Tx power calibration tables */ 1588 for (i = 0; i < 7; i++) { 1589 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1590 sc->pwr_cal[i * 2] = val >> 8; 1591 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1592 1593 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1594 sc->pwr_int[i * 2] = val >> 8; 1595 sc->pwr_int[i * 2 + 1] = val & 0xff; 1596 1597 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1598 sc->ofdm36_cal[i * 2] = val >> 8; 1599 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1600 1601 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1602 sc->ofdm48_cal[i * 2] = val >> 8; 1603 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1604 1605 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1606 sc->ofdm54_cal[i * 2] = val >> 8; 1607 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1608 } 1609 return 0; 1610 } 1611 1612 Static int 1613 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1614 { 1615 uint32_t tmp; 1616 1617 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1618 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1619 1620 tmp = addr[5] << 8 | addr[4]; 1621 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1622 1623 return 0; 1624 } 1625 1626 Static int 1627 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1628 { 1629 uint32_t tmp; 1630 1631 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1632 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1633 1634 tmp = addr[5] << 8 | addr[4]; 1635 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1636 1637 return 0; 1638 } 1639 1640 Static int 1641 zyd_switch_radio(struct zyd_softc *sc, int on) 1642 { 1643 struct zyd_rf *rf = &sc->sc_rf; 1644 int error; 1645 1646 zyd_lock_phy(sc); 1647 error = (*rf->switch_radio)(rf, on); 1648 zyd_unlock_phy(sc); 1649 1650 return error; 1651 } 1652 1653 Static void 1654 zyd_set_led(struct zyd_softc *sc, int which, int on) 1655 { 1656 uint32_t tmp; 1657 1658 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1659 tmp &= ~which; 1660 if (on) 1661 tmp |= which; 1662 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1663 } 1664 1665 Static int 1666 zyd_set_rxfilter(struct zyd_softc *sc) 1667 { 1668 uint32_t rxfilter; 1669 1670 switch (sc->sc_ic.ic_opmode) { 1671 case IEEE80211_M_STA: 1672 rxfilter = ZYD_FILTER_BSS; 1673 break; 1674 case IEEE80211_M_IBSS: 1675 case IEEE80211_M_HOSTAP: 1676 rxfilter = ZYD_FILTER_HOSTAP; 1677 break; 1678 case IEEE80211_M_MONITOR: 1679 rxfilter = ZYD_FILTER_MONITOR; 1680 break; 1681 default: 1682 /* should not get there */ 1683 return EINVAL; 1684 } 1685 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1686 } 1687 1688 Static void 1689 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1690 { 1691 struct ieee80211com *ic = &sc->sc_ic; 1692 struct zyd_rf *rf = &sc->sc_rf; 1693 u_int chan; 1694 1695 chan = ieee80211_chan2ieee(ic, c); 1696 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1697 return; 1698 1699 zyd_lock_phy(sc); 1700 1701 (*rf->set_channel)(rf, chan); 1702 1703 /* update Tx power */ 1704 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1705 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1706 1707 if (sc->mac_rev == ZYD_ZD1211B) { 1708 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1709 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1710 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1711 1712 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1713 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1714 } 1715 1716 zyd_unlock_phy(sc); 1717 } 1718 1719 Static int 1720 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1721 { 1722 /* XXX this is probably broken.. */ 1723 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1724 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1725 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1726 1727 return 0; 1728 } 1729 1730 Static uint8_t 1731 zyd_plcp_signal(int rate) 1732 { 1733 switch (rate) { 1734 /* CCK rates (returned values are device-dependent) */ 1735 case 2: return 0x0; 1736 case 4: return 0x1; 1737 case 11: return 0x2; 1738 case 22: return 0x3; 1739 1740 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1741 case 12: return 0xb; 1742 case 18: return 0xf; 1743 case 24: return 0xa; 1744 case 36: return 0xe; 1745 case 48: return 0x9; 1746 case 72: return 0xd; 1747 case 96: return 0x8; 1748 case 108: return 0xc; 1749 1750 /* unsupported rates (should not get there) */ 1751 default: return 0xff; 1752 } 1753 } 1754 1755 Static void 1756 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1757 { 1758 struct zyd_softc *sc = (struct zyd_softc *)priv; 1759 struct zyd_cmd *cmd; 1760 uint32_t datalen; 1761 1762 if (status != USBD_NORMAL_COMPLETION) { 1763 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1764 return; 1765 1766 if (status == USBD_STALLED) { 1767 usbd_clear_endpoint_stall_async( 1768 sc->zyd_ep[ZYD_ENDPT_IIN]); 1769 } 1770 return; 1771 } 1772 1773 cmd = (struct zyd_cmd *)sc->ibuf; 1774 1775 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1776 struct zyd_notif_retry *retry = 1777 (struct zyd_notif_retry *)cmd->data; 1778 struct ieee80211com *ic = &sc->sc_ic; 1779 struct ifnet *ifp = &sc->sc_if; 1780 struct ieee80211_node *ni; 1781 1782 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1783 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1784 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1785 1786 /* 1787 * Find the node to which the packet was sent and update its 1788 * retry statistics. In BSS mode, this node is the AP we're 1789 * associated to so no lookup is actually needed. 1790 */ 1791 if (ic->ic_opmode != IEEE80211_M_STA) { 1792 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1793 if (ni == NULL) 1794 return; /* just ignore */ 1795 } else 1796 ni = ic->ic_bss; 1797 1798 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1799 1800 if (le16toh(retry->count) & 0x100) 1801 ifp->if_oerrors++; /* too many retries */ 1802 1803 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1804 struct rq *rqp; 1805 1806 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1807 return; /* HMAC interrupt */ 1808 1809 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1810 datalen -= sizeof(cmd->code); 1811 datalen -= 2; /* XXX: padding? */ 1812 1813 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1814 int i; 1815 1816 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1817 continue; 1818 for (i = 0; i < rqp->len; i++) { 1819 if (*(((const uint16_t *)rqp->idata) + i) != 1820 (((struct zyd_pair *)cmd->data) + i)->reg) 1821 break; 1822 } 1823 if (i != rqp->len) 1824 continue; 1825 1826 /* copy answer into caller-supplied buffer */ 1827 bcopy(cmd->data, rqp->odata, 1828 sizeof(struct zyd_pair) * rqp->len); 1829 wakeup(rqp->odata); /* wakeup caller */ 1830 1831 return; 1832 } 1833 return; /* unexpected IORD notification */ 1834 } else { 1835 printf("%s: unknown notification %x\n", USBDEVNAME(sc->sc_dev), 1836 le16toh(cmd->code)); 1837 } 1838 } 1839 1840 Static void 1841 zyd_rx_data(struct zyd_softc *sc, struct mbuf *m, uint16_t len) 1842 { 1843 struct ieee80211com *ic = &sc->sc_ic; 1844 struct ifnet *ifp = &sc->sc_if; 1845 struct ieee80211_node *ni; 1846 struct ieee80211_frame *wh; 1847 const struct zyd_plcphdr *plcp; 1848 const struct zyd_rx_stat *stat; 1849 int rlen, s; 1850 1851 if (len < ZYD_MIN_FRAGSZ) { 1852 m_freem(m); 1853 printf("%s: frame too short (length=%d)\n", 1854 USBDEVNAME(sc->sc_dev), len); 1855 ifp->if_ierrors++; 1856 return; 1857 } 1858 1859 plcp = mtod(m, const struct zyd_plcphdr *); 1860 stat = (const struct zyd_rx_stat *) 1861 (mtod(m, char *) + len - sizeof (struct zyd_rx_stat)); 1862 1863 if (stat->flags & ZYD_RX_ERROR) { 1864 m_freem(m); 1865 DPRINTF(("%s: RX status indicated error (%x)\n", 1866 USBDEVNAME(sc->sc_dev), stat->flags)); 1867 ifp->if_ierrors++; 1868 return; 1869 } 1870 1871 /* compute actual frame length */ 1872 rlen = len - sizeof (struct zyd_plcphdr) - 1873 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1874 1875 m->m_pkthdr.rcvif = ifp; 1876 m_adj(m, sizeof(struct zyd_plcphdr)); 1877 m->m_pkthdr.len = m->m_len = rlen; 1878 1879 s = splnet(); 1880 1881 #if NBPFILTER > 0 1882 if (sc->sc_drvbpf != NULL) { 1883 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1884 static const uint8_t rates[] = { 1885 /* reverse function of zyd_plcp_signal() */ 1886 2, 4, 11, 22, 0, 0, 0, 0, 1887 96, 48, 24, 12, 108, 72, 36, 18 1888 }; 1889 1890 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1891 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1892 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1893 tap->wr_rssi = stat->rssi; 1894 tap->wr_rate = rates[plcp->signal & 0xf]; 1895 1896 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1897 } 1898 #endif 1899 1900 wh = mtod(m, struct ieee80211_frame *); 1901 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1902 ieee80211_input(ic, m, ni, stat->rssi, 0); 1903 1904 /* node is no longer needed */ 1905 ieee80211_free_node(ni); 1906 1907 splx(s); 1908 } 1909 1910 Static void 1911 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1912 { 1913 struct ue_chain *data = priv; 1914 struct zyd_softc *sc = (void *)data->ue_dev; 1915 struct ifnet *ifp = &sc->sc_if; 1916 const struct zyd_rx_desc *desc; 1917 int len; 1918 struct mbuf *m; 1919 1920 usbd_unmap_buffer(xfer); 1921 1922 if (status != USBD_NORMAL_COMPLETION) { 1923 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1924 return; 1925 1926 if (status == USBD_STALLED) 1927 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 1928 1929 goto skip; 1930 } 1931 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1932 1933 if (len < ZYD_MIN_RXBUFSZ) { 1934 printf("%s: xfer too short (length=%d)\n", 1935 USBDEVNAME(sc->sc_dev), len); 1936 ifp->if_ierrors++; 1937 goto skip; 1938 } 1939 1940 m = data->ue_mbuf; 1941 1942 /* 1943 * Allocate new mbuf cluster for the next transfer. 1944 * If that failed, discard current packet and recycle the mbuf. 1945 */ 1946 if ((data->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 1947 printf("%s: no memory for rx list -- packet dropped!\n", 1948 USBDEVNAME(sc->sc_dev)); 1949 ifp->if_ierrors++; 1950 data->ue_mbuf = usb_ether_newbuf(m); 1951 goto skip; 1952 } 1953 1954 desc = (const struct zyd_rx_desc *) 1955 (mtod(m, char *) + len - sizeof (struct zyd_rx_desc)); 1956 1957 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 1958 int pktoff[ZYD_MAX_RXFRAMECNT]; 1959 uint16_t pktlen[ZYD_MAX_RXFRAMECNT]; 1960 struct mbuf *pktmbuf[ZYD_MAX_RXFRAMECNT]; 1961 int npkt, i, off; 1962 1963 DPRINTFN(3, ("received multi-frame transfer\n")); 1964 1965 m->m_pkthdr.len = m->m_len = len; 1966 off = 0; 1967 for (npkt = 0; npkt < ZYD_MAX_RXFRAMECNT; npkt++) { 1968 const uint16_t len16 = UGETW(desc->len[npkt]); 1969 1970 if (len16 == 0 || off + len16 > len) 1971 break; 1972 pktoff[npkt] = off; 1973 pktlen[npkt] = len16; 1974 /* next frame is aligned on a 32-bit boundary */ 1975 off += (len16 + 3) & ~3; 1976 } 1977 1978 /* 1979 * Split an mbuf into packets. This is done in reverse order 1980 * to reduce amount of data to be copied. 1981 */ 1982 for (i = npkt - 1; i > 0; i--) 1983 pktmbuf[i] = m_split(m, pktoff[i], M_DONTWAIT); 1984 pktmbuf[0] = m; 1985 1986 /* input packets in order */ 1987 for (i = 0; i < npkt; i++) { 1988 if (pktmbuf[i] == NULL) { 1989 printf("%s: could not allocate rx mbuf\n", 1990 USBDEVNAME(sc->sc_dev)); 1991 ifp->if_ierrors++; 1992 continue; 1993 } 1994 zyd_rx_data(sc, pktmbuf[i], pktlen[i]); 1995 } 1996 } else { 1997 DPRINTFN(3, ("received single-frame transfer\n")); 1998 1999 zyd_rx_data(sc, m, len); 2000 } 2001 2002 skip: /* setup a new transfer */ 2003 (void)usbd_map_buffer_mbuf(xfer, data->ue_mbuf); 2004 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2005 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2006 USBD_NO_TIMEOUT, zyd_rxeof); 2007 (void)usbd_transfer(xfer); 2008 } 2009 2010 Static int 2011 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2012 { 2013 struct ieee80211com *ic = &sc->sc_ic; 2014 struct ifnet *ifp = &sc->sc_if; 2015 struct zyd_tx_desc *desc; 2016 struct ue_chain *data; 2017 struct ieee80211_frame *wh; 2018 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 2019 uint8_t i_fc_0; 2020 int xferlen, totlen, rate; 2021 uint16_t pktlen; 2022 usbd_status error; 2023 int ret; 2024 2025 data = &sc->tx_data[0]; 2026 2027 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2028 2029 sc->tx_ni[data->ue_idx] = ni; 2030 2031 wh = mtod(m0, struct ieee80211_frame *); 2032 2033 /* save local copy against possible mbuf move */ 2034 USB_KASSERT(sizeof i_addr1 == sizeof wh->i_addr1); 2035 memcpy(i_addr1, wh->i_addr1, sizeof i_addr1); 2036 i_fc_0 = wh->i_fc[0]; 2037 2038 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2039 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2040 2041 /* Prepend Tx descriptor */ 2042 M_PREPEND(m0, sizeof(struct zyd_tx_desc), M_DONTWAIT); 2043 if (m0 != NULL) 2044 m0 = m_pullup(m0, sizeof(struct zyd_tx_desc));/* just in case */ 2045 if (m0 == NULL) { 2046 return ENOBUFS; 2047 } 2048 desc = mtod(m0, struct zyd_tx_desc *); 2049 2050 /* fill Tx descriptor */ 2051 USETW((uint8_t *)&desc->len, totlen); 2052 2053 desc->flags = ZYD_TX_FLAG_BACKOFF; 2054 if (!IEEE80211_IS_MULTICAST(i_addr1)) { 2055 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2056 if (totlen > ic->ic_rtsthreshold) { 2057 desc->flags |= ZYD_TX_FLAG_RTS; 2058 } else if (ZYD_RATE_IS_OFDM(rate) && 2059 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2060 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2061 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2062 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2063 desc->flags |= ZYD_TX_FLAG_RTS; 2064 } 2065 } else 2066 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2067 2068 if ((i_fc_0 & 2069 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2070 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2071 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2072 2073 desc->phy = zyd_plcp_signal(rate); 2074 if (ZYD_RATE_IS_OFDM(rate)) { 2075 desc->phy |= ZYD_TX_PHY_OFDM; 2076 if (ic->ic_curmode == IEEE80211_MODE_11A) 2077 desc->phy |= ZYD_TX_PHY_5GHZ; 2078 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2079 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2080 2081 /* actual transmit length (XXX why +10?) */ 2082 pktlen = sizeof (struct zyd_tx_desc) + 10; 2083 if (sc->mac_rev == ZYD_ZD1211) 2084 pktlen += totlen; 2085 USETW((uint8_t *)&desc->pktlen, pktlen); 2086 2087 USETW((uint8_t *)&desc->plcp_length, (16 * totlen + rate - 1) / rate); 2088 desc->plcp_service = 0; 2089 if (rate == 22) { 2090 const int remainder = (16 * totlen) % 22; 2091 if (remainder != 0 && remainder < 7) 2092 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2093 } 2094 2095 #if NBPFILTER > 0 2096 if (sc->sc_drvbpf != NULL) { 2097 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2098 2099 tap->wt_flags = 0; 2100 tap->wt_rate = rate; 2101 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2102 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2103 2104 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2105 } 2106 #endif 2107 2108 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2109 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2110 2111 ret = usb_ether_map_tx_buffer_mbuf(data, m0); 2112 if (ret) { 2113 m_freem(m0); 2114 return ret; 2115 } 2116 2117 usbd_setup_xfer(data->ue_xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2118 NULL /* XXX buf */, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2119 ZYD_TX_TIMEOUT, zyd_txeof); 2120 error = usbd_transfer(data->ue_xfer); 2121 if (error != USBD_IN_PROGRESS && error != 0) { 2122 data->ue_mbuf = NULL; 2123 m_freem(m0); 2124 ifp->if_oerrors++; 2125 return EIO; 2126 } 2127 sc->tx_queued++; 2128 2129 return 0; 2130 } 2131 2132 Static void 2133 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2134 { 2135 struct ue_chain *data = priv; 2136 struct zyd_softc *sc = (void *)data->ue_dev; 2137 struct ifnet *ifp = &sc->sc_if; 2138 int s; 2139 2140 usbd_unmap_buffer(xfer); 2141 2142 if (status != USBD_NORMAL_COMPLETION) { 2143 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2144 return; 2145 2146 printf("%s: could not transmit buffer: %s\n", 2147 USBDEVNAME(sc->sc_dev), usbd_errstr(status)); 2148 2149 if (status == USBD_STALLED) { 2150 usbd_clear_endpoint_stall_async( 2151 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2152 } 2153 ifp->if_oerrors++; 2154 return; 2155 } 2156 2157 s = splnet(); 2158 2159 m_freem(data->ue_mbuf); 2160 data->ue_mbuf = NULL; 2161 2162 /* update rate control statistics */ 2163 ((struct zyd_node *)sc->tx_ni[data->ue_idx])->amn.amn_txcnt++; 2164 2165 ieee80211_free_node(sc->tx_ni[data->ue_idx]); 2166 sc->tx_ni[data->ue_idx] = NULL; 2167 2168 sc->tx_queued--; 2169 ifp->if_opackets++; 2170 2171 sc->tx_timer = 0; 2172 ifp->if_flags &= ~IFF_OACTIVE; 2173 zyd_start(ifp); 2174 2175 splx(s); 2176 } 2177 2178 Static int 2179 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2180 { 2181 struct ieee80211com *ic = &sc->sc_ic; 2182 struct ifnet *ifp = &sc->sc_if; 2183 struct zyd_tx_desc *desc; 2184 struct ue_chain *data; 2185 struct ieee80211_frame *wh; 2186 struct ieee80211_key *k; 2187 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 2188 uint8_t i_fc_0; 2189 int xferlen, totlen, rate; 2190 uint16_t pktlen; 2191 usbd_status error; 2192 int ret; 2193 2194 wh = mtod(m0, struct ieee80211_frame *); 2195 2196 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2197 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2198 else 2199 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2200 rate &= IEEE80211_RATE_VAL; 2201 2202 /* save local copy against possible mbuf move */ 2203 USB_KASSERT(sizeof i_addr1 == sizeof wh->i_addr1); 2204 memcpy(i_addr1, wh->i_addr1, sizeof i_addr1); 2205 i_fc_0 = wh->i_fc[0]; 2206 2207 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2208 k = ieee80211_crypto_encap(ic, ni, m0); 2209 if (k == NULL) { 2210 m_freem(m0); 2211 return ENOBUFS; 2212 } 2213 } 2214 2215 data = &sc->tx_data[0]; 2216 2217 sc->tx_ni[data->ue_idx] = ni; 2218 2219 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2220 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2221 2222 /* Prepend Tx descriptor */ 2223 M_PREPEND(m0, sizeof(struct zyd_tx_desc), M_DONTWAIT); 2224 if (m0 != NULL) 2225 m0 = m_pullup(m0, sizeof(struct zyd_tx_desc));/* just in case */ 2226 if (m0 == NULL) { 2227 return ENOBUFS; 2228 } 2229 desc = mtod(m0, struct zyd_tx_desc *); 2230 2231 /* fill Tx descriptor */ 2232 USETW((uint8_t *)&desc->len, totlen); 2233 2234 desc->flags = ZYD_TX_FLAG_BACKOFF; 2235 if (!IEEE80211_IS_MULTICAST(i_addr1)) { 2236 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2237 if (totlen > ic->ic_rtsthreshold) { 2238 desc->flags |= ZYD_TX_FLAG_RTS; 2239 } else if (ZYD_RATE_IS_OFDM(rate) && 2240 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2241 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2242 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2243 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2244 desc->flags |= ZYD_TX_FLAG_RTS; 2245 } 2246 } else 2247 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2248 2249 if ((i_fc_0 & 2250 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2251 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2252 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2253 2254 desc->phy = zyd_plcp_signal(rate); 2255 if (ZYD_RATE_IS_OFDM(rate)) { 2256 desc->phy |= ZYD_TX_PHY_OFDM; 2257 if (ic->ic_curmode == IEEE80211_MODE_11A) 2258 desc->phy |= ZYD_TX_PHY_5GHZ; 2259 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2260 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2261 2262 /* actual transmit length (XXX why +10?) */ 2263 pktlen = sizeof (struct zyd_tx_desc) + 10; 2264 if (sc->mac_rev == ZYD_ZD1211) 2265 pktlen += totlen; 2266 USETW((uint8_t *)&desc->pktlen, pktlen); 2267 2268 USETW((uint8_t *)&desc->plcp_length, (16 * totlen + rate - 1) / rate); 2269 desc->plcp_service = 0; 2270 if (rate == 22) { 2271 const int remainder = (16 * totlen) % 22; 2272 if (remainder != 0 && remainder < 7) 2273 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2274 } 2275 2276 #if NBPFILTER > 0 2277 if (sc->sc_drvbpf != NULL) { 2278 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2279 2280 tap->wt_flags = 0; 2281 tap->wt_rate = rate; 2282 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2283 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2284 2285 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2286 } 2287 #endif 2288 2289 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2290 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2291 2292 ret = usb_ether_map_tx_buffer_mbuf(data, m0); 2293 if (ret) { 2294 m_freem(m0); 2295 return ret; 2296 } 2297 2298 usbd_setup_xfer(data->ue_xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2299 NULL /* XXX buf */, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2300 ZYD_TX_TIMEOUT, zyd_txeof); 2301 error = usbd_transfer(data->ue_xfer); 2302 if (error != USBD_IN_PROGRESS && error != 0) { 2303 data->ue_mbuf = NULL; 2304 m_freem(m0); 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 #if NBPFILTER > 0 2334 if (ic->ic_rawbpf != NULL) 2335 bpf_mtap(ic->ic_rawbpf, m0); 2336 #endif 2337 if (zyd_tx_mgt(sc, m0, ni) != 0) 2338 break; 2339 } else { 2340 if (ic->ic_state != IEEE80211_S_RUN) 2341 break; 2342 IFQ_POLL(&ifp->if_snd, m0); 2343 if (m0 == NULL) 2344 break; 2345 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2346 ifp->if_flags |= IFF_OACTIVE; 2347 break; 2348 } 2349 IFQ_DEQUEUE(&ifp->if_snd, m0); 2350 2351 if (m0->m_len < sizeof(struct ether_header) && 2352 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2353 continue; 2354 2355 eh = mtod(m0, struct ether_header *); 2356 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2357 if (ni == NULL) { 2358 m_freem(m0); 2359 continue; 2360 } 2361 #if NBPFILTER > 0 2362 if (ifp->if_bpf != NULL) 2363 bpf_mtap(ifp->if_bpf, m0); 2364 #endif 2365 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2366 ieee80211_free_node(ni); 2367 ifp->if_oerrors++; 2368 continue; 2369 } 2370 #if NBPFILTER > 0 2371 if (ic->ic_rawbpf != NULL) 2372 bpf_mtap(ic->ic_rawbpf, m0); 2373 #endif 2374 if (zyd_tx_data(sc, m0, ni) != 0) { 2375 ieee80211_free_node(ni); 2376 ifp->if_oerrors++; 2377 break; 2378 } 2379 } 2380 2381 sc->tx_timer = 5; 2382 ifp->if_timer = 1; 2383 } 2384 } 2385 2386 Static void 2387 zyd_watchdog(struct ifnet *ifp) 2388 { 2389 struct zyd_softc *sc = ifp->if_softc; 2390 struct ieee80211com *ic = &sc->sc_ic; 2391 2392 ifp->if_timer = 0; 2393 2394 if (sc->tx_timer > 0) { 2395 if (--sc->tx_timer == 0) { 2396 printf("%s: device timeout\n", USBDEVNAME(sc->sc_dev)); 2397 /* zyd_init(ifp); XXX needs a process context ? */ 2398 ifp->if_oerrors++; 2399 return; 2400 } 2401 ifp->if_timer = 1; 2402 } 2403 2404 ieee80211_watchdog(ic); 2405 } 2406 2407 Static int 2408 zyd_ioctl(struct ifnet *ifp, u_long cmd, usb_ioctlarg_t data) 2409 { 2410 struct zyd_softc *sc = ifp->if_softc; 2411 struct ieee80211com *ic = &sc->sc_ic; 2412 int s, error = 0; 2413 2414 s = splnet(); 2415 2416 switch (cmd) { 2417 case SIOCSIFFLAGS: 2418 if (ifp->if_flags & IFF_UP) { 2419 if (!(ifp->if_flags & IFF_RUNNING)) 2420 zyd_init(ifp); 2421 } else { 2422 if (ifp->if_flags & IFF_RUNNING) 2423 zyd_stop(ifp, 1); 2424 } 2425 break; 2426 2427 default: 2428 if (!sc->attached) 2429 error = ENOTTY; 2430 else 2431 error = ieee80211_ioctl(ic, cmd, data); 2432 } 2433 2434 if (error == ENETRESET) { 2435 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2436 (IFF_RUNNING | IFF_UP)) 2437 zyd_init(ifp); 2438 error = 0; 2439 } 2440 2441 splx(s); 2442 2443 return error; 2444 } 2445 2446 Static int 2447 zyd_init(struct ifnet *ifp) 2448 { 2449 struct zyd_softc *sc = ifp->if_softc; 2450 struct ieee80211com *ic = &sc->sc_ic; 2451 int i, error; 2452 2453 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2454 if ((error = zyd_attachhook(sc)) != 0) 2455 return error; 2456 2457 zyd_stop(ifp, 0); 2458 2459 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 2460 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2461 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2462 if (error != 0) 2463 return error; 2464 2465 /* we'll do software WEP decryption for now */ 2466 DPRINTF(("setting encryption type\n")); 2467 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2468 if (error != 0) 2469 return error; 2470 2471 /* promiscuous mode */ 2472 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2473 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2474 2475 (void)zyd_set_rxfilter(sc); 2476 2477 /* switch radio transmitter ON */ 2478 (void)zyd_switch_radio(sc, 1); 2479 2480 /* set basic rates */ 2481 if (ic->ic_curmode == IEEE80211_MODE_11B) 2482 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2483 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2484 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2485 else /* assumes 802.11b/g */ 2486 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2487 2488 /* set mandatory rates */ 2489 if (ic->ic_curmode == IEEE80211_MODE_11B) 2490 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2491 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2492 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2493 else /* assumes 802.11b/g */ 2494 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2495 2496 /* set default BSS channel */ 2497 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2498 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2499 2500 /* enable interrupts */ 2501 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2502 2503 /* 2504 * Allocate Tx and Rx xfer queues. 2505 */ 2506 sc->tx_queued = 0; 2507 if ((error = usb_ether_tx_list_init(USBDEV(sc->sc_dev), 2508 sc->tx_data, ZYD_TX_LIST_CNT, 2509 sc->sc_udev, sc->zyd_ep[ZYD_ENDPT_BOUT], NULL)) != 0) { 2510 printf("%s: could not allocate Tx list\n", 2511 USBDEVNAME(sc->sc_dev)); 2512 goto fail; 2513 } 2514 if ((error = usb_ether_rx_list_init(USBDEV(sc->sc_dev), 2515 sc->rx_data, ZYD_RX_LIST_CNT, 2516 sc->sc_udev, sc->zyd_ep[ZYD_ENDPT_BIN])) != 0) { 2517 printf("%s: could not allocate Rx list\n", 2518 USBDEVNAME(sc->sc_dev)); 2519 goto fail; 2520 } 2521 2522 /* 2523 * Start up the receive pipe. 2524 */ 2525 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2526 struct ue_chain *data = &sc->rx_data[i]; 2527 2528 (void)usbd_map_buffer_mbuf(data->ue_xfer, data->ue_mbuf); 2529 usbd_setup_xfer(data->ue_xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2530 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2531 USBD_NO_TIMEOUT, zyd_rxeof); 2532 error = usbd_transfer(data->ue_xfer); 2533 if (error != USBD_IN_PROGRESS && error != 0) { 2534 printf("%s: could not queue Rx transfer\n", 2535 USBDEVNAME(sc->sc_dev)); 2536 goto fail; 2537 } 2538 } 2539 2540 ifp->if_flags &= ~IFF_OACTIVE; 2541 ifp->if_flags |= IFF_RUNNING; 2542 2543 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2544 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2545 else 2546 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2547 2548 return 0; 2549 2550 fail: zyd_stop(ifp, 1); 2551 return error; 2552 } 2553 2554 Static void 2555 zyd_stop(struct ifnet *ifp, int disable) 2556 { 2557 struct zyd_softc *sc = ifp->if_softc; 2558 struct ieee80211com *ic = &sc->sc_ic; 2559 2560 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2561 2562 sc->tx_timer = 0; 2563 ifp->if_timer = 0; 2564 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2565 2566 /* switch radio transmitter OFF */ 2567 (void)zyd_switch_radio(sc, 0); 2568 2569 /* disable Rx */ 2570 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2571 2572 /* disable interrupts */ 2573 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2574 2575 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2576 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2577 2578 zyd_free_rx_list(sc); 2579 zyd_free_tx_list(sc); 2580 } 2581 2582 Static int 2583 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2584 { 2585 usb_device_request_t req; 2586 uint16_t addr; 2587 uint8_t stat; 2588 2589 DPRINTF(("firmware size=%zu\n", size)); 2590 2591 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2592 req.bRequest = ZYD_DOWNLOADREQ; 2593 USETW(req.wIndex, 0); 2594 2595 addr = ZYD_FIRMWARE_START_ADDR; 2596 while (size > 0) { 2597 #if 0 2598 const int mlen = min(size, 4096); 2599 #else 2600 /* 2601 * XXXX: When the transfer size is 4096 bytes, it is not 2602 * likely to be able to transfer it. 2603 * The cause is port or machine or chip? 2604 */ 2605 const int mlen = min(size, 64); 2606 #endif 2607 2608 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2609 addr)); 2610 2611 USETW(req.wValue, addr); 2612 USETW(req.wLength, mlen); 2613 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2614 return EIO; 2615 2616 addr += mlen / 2; 2617 fw += mlen; 2618 size -= mlen; 2619 } 2620 2621 /* check whether the upload succeeded */ 2622 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2623 req.bRequest = ZYD_DOWNLOADSTS; 2624 USETW(req.wValue, 0); 2625 USETW(req.wIndex, 0); 2626 USETW(req.wLength, sizeof stat); 2627 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2628 return EIO; 2629 2630 return (stat & 0x80) ? EIO : 0; 2631 } 2632 2633 Static void 2634 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2635 { 2636 struct zyd_softc *sc = arg; 2637 struct zyd_node *zn = (struct zyd_node *)ni; 2638 2639 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2640 } 2641 2642 Static void 2643 zyd_amrr_timeout(void *arg) 2644 { 2645 struct zyd_softc *sc = arg; 2646 struct ieee80211com *ic = &sc->sc_ic; 2647 int s; 2648 2649 s = splnet(); 2650 if (ic->ic_opmode == IEEE80211_M_STA) 2651 zyd_iter_func(sc, ic->ic_bss); 2652 else 2653 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2654 splx(s); 2655 2656 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2657 } 2658 2659 Static void 2660 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2661 { 2662 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2663 int i; 2664 2665 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2666 2667 /* set rate to some reasonable initial value */ 2668 for (i = ni->ni_rates.rs_nrates - 1; 2669 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2670 i--); 2671 ni->ni_txrate = i; 2672 } 2673 2674 int 2675 zyd_activate(device_ptr_t self, enum devact act) 2676 { 2677 struct zyd_softc *sc = (struct zyd_softc *)self; 2678 2679 switch (act) { 2680 case DVACT_ACTIVATE: 2681 break; 2682 2683 case DVACT_DEACTIVATE: 2684 if_deactivate(&sc->sc_if); 2685 break; 2686 } 2687 return 0; 2688 } 2689
Indexes created Sun Oct 12 20:09:57 GMT 2025