if_zyd.c revision 1.17.2.2
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.17.2.2 2009/03/24 21:25:04 bouyer 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 1.17.2.2 2009/03/24 21:25:04 bouyer 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 70 #include <dev/usb/if_zydreg.h> 71 72 #ifdef USB_DEBUG 73 #define ZYD_DEBUG 74 #endif 75 76 #ifdef ZYD_DEBUG 77 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 78 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 79 int zyddebug = 0; 80 #else 81 #define DPRINTF(x) 82 #define DPRINTFN(n, x) 83 #endif 84 85 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 86 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 87 88 /* various supported device vendors/products */ 89 #define ZYD_ZD1211_DEV(v, p) \ 90 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 91 #define ZYD_ZD1211B_DEV(v, p) \ 92 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 93 static const struct zyd_type { 94 struct usb_devno dev; 95 uint8_t rev; 96 #define ZYD_ZD1211 0 97 #define ZYD_ZD1211B 1 98 } zyd_devs[] = { 99 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 100 ZYD_ZD1211_DEV(ABOCOM, WL54), 101 ZYD_ZD1211_DEV(ASUSTEK, WL159G), 102 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 103 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 104 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 105 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 106 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 107 ZYD_ZD1211_DEV(SAGEM, XG760A), 108 ZYD_ZD1211_DEV(SENAO, NUB8301), 109 ZYD_ZD1211_DEV(SITECOMEU, WL113), 110 ZYD_ZD1211_DEV(SWEEX, ZD1211), 111 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 112 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 113 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 114 ZYD_ZD1211_DEV(TWINMOS, G240), 115 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 116 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 117 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 118 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 119 ZYD_ZD1211_DEV(ZCOM, ZD1211), 120 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 121 ZYD_ZD1211_DEV(ZYXEL, AG225H), 122 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 123 124 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 125 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 126 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 127 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 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(SAGEM, XG76NA), 134 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 135 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 136 #if 0 /* Shall we needs? */ 137 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 138 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 139 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 140 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 141 #endif 142 ZYD_ZD1211B_DEV(USR, USR5423), 143 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 144 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 145 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 146 ZYD_ZD1211B_DEV(ZYXEL, M202), 147 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 148 ZYD_ZD1211B_DEV(PLANEX2, GWUS54GXS), 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_close_pipes(struct zyd_softc *); 159 Static int zyd_alloc_tx_list(struct zyd_softc *); 160 Static void zyd_free_tx_list(struct zyd_softc *); 161 Static int zyd_alloc_rx_list(struct zyd_softc *); 162 Static void zyd_free_rx_list(struct zyd_softc *); 163 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 164 Static int zyd_media_change(struct ifnet *); 165 Static void zyd_next_scan(void *); 166 Static void zyd_task(void *); 167 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 168 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 169 void *, int, u_int); 170 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 171 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 172 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 173 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 174 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 175 Static void zyd_lock_phy(struct zyd_softc *); 176 Static void zyd_unlock_phy(struct zyd_softc *); 177 Static int zyd_rfmd_init(struct zyd_rf *); 178 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 179 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 180 Static int zyd_al2230_init(struct zyd_rf *); 181 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 182 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 183 Static int zyd_al2230_init_b(struct zyd_rf *); 184 Static int zyd_al7230B_init(struct zyd_rf *); 185 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 186 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 187 Static int zyd_al2210_init(struct zyd_rf *); 188 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 189 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 190 Static int zyd_gct_init(struct zyd_rf *); 191 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 192 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 193 Static int zyd_maxim_init(struct zyd_rf *); 194 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 195 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 196 Static int zyd_maxim2_init(struct zyd_rf *); 197 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 198 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 199 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 200 Static const char *zyd_rf_name(uint8_t); 201 Static int zyd_hw_init(struct zyd_softc *); 202 Static int zyd_read_eeprom(struct zyd_softc *); 203 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 204 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 205 Static int zyd_switch_radio(struct zyd_softc *, int); 206 Static void zyd_set_led(struct zyd_softc *, int, int); 207 Static int zyd_set_rxfilter(struct zyd_softc *); 208 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 209 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 210 Static uint8_t zyd_plcp_signal(int); 211 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 212 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 213 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 214 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 215 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 216 struct ieee80211_node *); 217 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 218 struct ieee80211_node *); 219 Static void zyd_start(struct ifnet *); 220 Static void zyd_watchdog(struct ifnet *); 221 Static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 222 Static int zyd_init(struct ifnet *); 223 Static void zyd_stop(struct ifnet *, int); 224 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 225 Static void zyd_iter_func(void *, struct ieee80211_node *); 226 Static void zyd_amrr_timeout(void *); 227 Static void zyd_newassoc(struct ieee80211_node *, int); 228 229 static const struct ieee80211_rateset zyd_rateset_11b = 230 { 4, { 2, 4, 11, 22 } }; 231 232 static const struct ieee80211_rateset zyd_rateset_11g = 233 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 234 235 USB_MATCH(zyd) 236 { 237 USB_MATCH_START(zyd, uaa); 238 239 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 240 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 241 } 242 243 Static int 244 zyd_attachhook(void *xsc) 245 { 246 struct zyd_softc *sc = xsc; 247 firmware_handle_t fwh; 248 const char *fwname; 249 u_char *fw; 250 size_t size; 251 int error; 252 253 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 254 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 255 printf("%s: failed to open firmware %s (error=%d)\n", 256 USBDEVNAME(sc->sc_dev), fwname, error); 257 return error; 258 } 259 size = firmware_get_size(fwh); 260 fw = firmware_malloc(size); 261 if (fw == NULL) { 262 printf("%s: failed to allocate firmware memory\n", 263 USBDEVNAME(sc->sc_dev)); 264 firmware_close(fwh); 265 return ENOMEM;; 266 } 267 error = firmware_read(fwh, 0, fw, size); 268 firmware_close(fwh); 269 if (error != 0) { 270 printf("%s: failed to read firmware (error %d)\n", 271 USBDEVNAME(sc->sc_dev), error); 272 firmware_free(fw, 0); 273 return error; 274 } 275 276 error = zyd_loadfirmware(sc, fw, size); 277 if (error != 0) { 278 printf("%s: could not load firmware (error=%d)\n", 279 USBDEVNAME(sc->sc_dev), error); 280 firmware_free(fw, 0); 281 return ENXIO; 282 } 283 284 firmware_free(fw, 0); 285 sc->sc_flags |= ZD1211_FWLOADED; 286 287 /* complete the attach process */ 288 if ((error = zyd_complete_attach(sc)) == 0) 289 sc->attached = 1; 290 return error; 291 } 292 293 USB_ATTACH(zyd) 294 { 295 USB_ATTACH_START(zyd, sc, uaa); 296 char *devinfop; 297 usb_device_descriptor_t* ddesc; 298 struct ifnet *ifp = &sc->sc_if; 299 300 sc->sc_udev = uaa->device; 301 sc->sc_flags = 0; 302 303 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 304 USB_ATTACH_SETUP; 305 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 306 usbd_devinfo_free(devinfop); 307 308 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 309 310 ddesc = usbd_get_device_descriptor(sc->sc_udev); 311 if (UGETW(ddesc->bcdDevice) < 0x4330) { 312 printf("%s: device version mismatch: 0x%x (only >= 43.30 supported)\n", 313 USBDEVNAME(sc->sc_dev), UGETW(ddesc->bcdDevice)); 314 USB_ATTACH_ERROR_RETURN; 315 } 316 317 ifp->if_softc = sc; 318 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 319 ifp->if_init = zyd_init; 320 ifp->if_ioctl = zyd_ioctl; 321 ifp->if_start = zyd_start; 322 ifp->if_watchdog = zyd_watchdog; 323 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 324 IFQ_SET_READY(&ifp->if_snd); 325 memcpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); 326 327 if_attach(ifp); 328 /* XXXX: alloc temporarily until the layer2 can be configured. */ 329 if_alloc_sadl(ifp); 330 331 SIMPLEQ_INIT(&sc->sc_rqh); 332 333 USB_ATTACH_SUCCESS_RETURN; 334 } 335 336 Static int 337 zyd_complete_attach(struct zyd_softc *sc) 338 { 339 struct ieee80211com *ic = &sc->sc_ic; 340 struct ifnet *ifp = &sc->sc_if; 341 usbd_status error; 342 int i; 343 344 usb_init_task(&sc->sc_task, zyd_task, sc); 345 usb_callout_init(sc->sc_scan_ch); 346 347 sc->amrr.amrr_min_success_threshold = 1; 348 sc->amrr.amrr_max_success_threshold = 10; 349 usb_callout_init(sc->sc_amrr_ch); 350 351 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 352 if (error != 0) { 353 printf("%s: setting config no failed\n", USBDEVNAME(sc->sc_dev)); 354 goto fail; 355 } 356 357 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 358 &sc->sc_iface); 359 if (error != 0) { 360 printf("%s: getting interface handle failed\n", USBDEVNAME(sc->sc_dev)); 361 goto fail; 362 } 363 364 if ((error = zyd_open_pipes(sc)) != 0) { 365 printf("%s: could not open pipes\n", USBDEVNAME(sc->sc_dev)); 366 goto fail; 367 } 368 369 if ((error = zyd_read_eeprom(sc)) != 0) { 370 printf("%s: could not read EEPROM\n", USBDEVNAME(sc->sc_dev)); 371 goto fail; 372 } 373 374 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 375 printf("%s: could not attach RF\n", USBDEVNAME(sc->sc_dev)); 376 goto fail; 377 } 378 379 if ((error = zyd_hw_init(sc)) != 0) { 380 printf("%s: hardware initialization failed\n", USBDEVNAME(sc->sc_dev)); 381 goto fail; 382 } 383 384 printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 385 USBDEVNAME(sc->sc_dev), (sc->mac_rev == ZYD_ZD1211) ? "": "B", 386 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 387 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 388 389 ic->ic_ifp = ifp; 390 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 391 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 392 ic->ic_state = IEEE80211_S_INIT; 393 394 /* set device capabilities */ 395 ic->ic_caps = 396 IEEE80211_C_MONITOR | /* monitor mode supported */ 397 IEEE80211_C_TXPMGT | /* tx power management */ 398 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 399 IEEE80211_C_WEP; /* s/w WEP */ 400 401 /* set supported .11b and .11g rates */ 402 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 403 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 404 405 /* set supported .11b and .11g channels (1 through 14) */ 406 for (i = 1; i <= 14; i++) { 407 ic->ic_channels[i].ic_freq = 408 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 409 ic->ic_channels[i].ic_flags = 410 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 411 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 412 } 413 414 if_free_sadl(ifp); 415 ieee80211_ifattach(ic); 416 ic->ic_node_alloc = zyd_node_alloc; 417 ic->ic_newassoc = zyd_newassoc; 418 419 /* override state transition machine */ 420 sc->sc_newstate = ic->ic_newstate; 421 ic->ic_newstate = zyd_newstate; 422 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 423 424 #if NBPFILTER > 0 425 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 426 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 427 &sc->sc_drvbpf); 428 429 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 430 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 431 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 432 433 sc->sc_txtap_len = sizeof sc->sc_txtapu; 434 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 435 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 436 #endif 437 438 ieee80211_announce(ic); 439 440 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 441 USBDEV(sc->sc_dev)); 442 443 fail: return error; 444 } 445 446 USB_DETACH(zyd) 447 { 448 USB_DETACH_START(zyd, sc); 449 struct ieee80211com *ic = &sc->sc_ic; 450 struct ifnet *ifp = &sc->sc_if; 451 int s; 452 453 if (!sc->attached) { 454 if_free_sadl(ifp); 455 if_detach(ifp); 456 return 0; 457 } 458 459 s = splusb(); 460 461 zyd_stop(ifp, 1); 462 usb_rem_task(sc->sc_udev, &sc->sc_task); 463 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 464 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 465 466 zyd_close_pipes(sc); 467 468 sc->attached = 0; 469 470 #if NBPFILTER > 0 471 bpfdetach(ifp); 472 #endif 473 ieee80211_ifdetach(ic); 474 if_detach(ifp); 475 476 splx(s); 477 478 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 479 USBDEV(sc->sc_dev)); 480 481 return 0; 482 } 483 484 Static int 485 zyd_open_pipes(struct zyd_softc *sc) 486 { 487 usb_endpoint_descriptor_t *edesc; 488 int isize; 489 usbd_status error; 490 491 /* interrupt in */ 492 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 493 if (edesc == NULL) 494 return EINVAL; 495 496 isize = UGETW(edesc->wMaxPacketSize); 497 if (isize == 0) /* should not happen */ 498 return EINVAL; 499 500 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 501 if (sc->ibuf == NULL) 502 return ENOMEM; 503 504 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 505 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 506 USBD_DEFAULT_INTERVAL); 507 if (error != 0) { 508 printf("%s: open rx intr pipe failed: %s\n", 509 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 510 goto fail; 511 } 512 513 /* interrupt out (not necessarily an interrupt pipe) */ 514 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 515 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 516 if (error != 0) { 517 printf("%s: open tx intr pipe failed: %s\n", 518 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 519 goto fail; 520 } 521 522 /* bulk in */ 523 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 524 &sc->zyd_ep[ZYD_ENDPT_BIN]); 525 if (error != 0) { 526 printf("%s: open rx pipe failed: %s\n", 527 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 528 goto fail; 529 } 530 531 /* bulk out */ 532 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 533 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 534 if (error != 0) { 535 printf("%s: open tx pipe failed: %s\n", 536 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 537 goto fail; 538 } 539 540 return 0; 541 542 fail: zyd_close_pipes(sc); 543 return error; 544 } 545 546 Static void 547 zyd_close_pipes(struct zyd_softc *sc) 548 { 549 int i; 550 551 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 552 if (sc->zyd_ep[i] != NULL) { 553 usbd_abort_pipe(sc->zyd_ep[i]); 554 usbd_close_pipe(sc->zyd_ep[i]); 555 sc->zyd_ep[i] = NULL; 556 } 557 } 558 if (sc->ibuf != NULL) { 559 free(sc->ibuf, M_USBDEV); 560 sc->ibuf = NULL; 561 } 562 } 563 564 Static int 565 zyd_alloc_tx_list(struct zyd_softc *sc) 566 { 567 int i, error; 568 569 sc->tx_queued = 0; 570 571 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 572 struct zyd_tx_data *data = &sc->tx_data[i]; 573 574 data->sc = sc; /* backpointer for callbacks */ 575 576 data->xfer = usbd_alloc_xfer(sc->sc_udev); 577 if (data->xfer == NULL) { 578 printf("%s: could not allocate tx xfer\n", 579 USBDEVNAME(sc->sc_dev)); 580 error = ENOMEM; 581 goto fail; 582 } 583 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 584 if (data->buf == NULL) { 585 printf("%s: could not allocate tx buffer\n", 586 USBDEVNAME(sc->sc_dev)); 587 error = ENOMEM; 588 goto fail; 589 } 590 591 /* clear Tx descriptor */ 592 bzero(data->buf, sizeof (struct zyd_tx_desc)); 593 } 594 return 0; 595 596 fail: zyd_free_tx_list(sc); 597 return error; 598 } 599 600 Static void 601 zyd_free_tx_list(struct zyd_softc *sc) 602 { 603 int i; 604 605 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 606 struct zyd_tx_data *data = &sc->tx_data[i]; 607 608 if (data->xfer != NULL) { 609 usbd_free_xfer(data->xfer); 610 data->xfer = NULL; 611 } 612 if (data->ni != NULL) { 613 ieee80211_free_node(data->ni); 614 data->ni = NULL; 615 } 616 } 617 } 618 619 Static int 620 zyd_alloc_rx_list(struct zyd_softc *sc) 621 { 622 int i, error; 623 624 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 625 struct zyd_rx_data *data = &sc->rx_data[i]; 626 627 data->sc = sc; /* backpointer for callbacks */ 628 629 data->xfer = usbd_alloc_xfer(sc->sc_udev); 630 if (data->xfer == NULL) { 631 printf("%s: could not allocate rx xfer\n", 632 USBDEVNAME(sc->sc_dev)); 633 error = ENOMEM; 634 goto fail; 635 } 636 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 637 if (data->buf == NULL) { 638 printf("%s: could not allocate rx buffer\n", 639 USBDEVNAME(sc->sc_dev)); 640 error = ENOMEM; 641 goto fail; 642 } 643 } 644 return 0; 645 646 fail: zyd_free_rx_list(sc); 647 return error; 648 } 649 650 Static void 651 zyd_free_rx_list(struct zyd_softc *sc) 652 { 653 int i; 654 655 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 656 struct zyd_rx_data *data = &sc->rx_data[i]; 657 658 if (data->xfer != NULL) { 659 usbd_free_xfer(data->xfer); 660 data->xfer = NULL; 661 } 662 } 663 } 664 665 /* ARGUSED */ 666 Static struct ieee80211_node * 667 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 668 { 669 struct zyd_node *zn; 670 671 zn = malloc(sizeof (struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 672 673 return (struct ieee80211_node *)zn; 674 } 675 676 Static int 677 zyd_media_change(struct ifnet *ifp) 678 { 679 int error; 680 681 error = ieee80211_media_change(ifp); 682 if (error != ENETRESET) 683 return error; 684 685 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 686 zyd_init(ifp); 687 688 return 0; 689 } 690 691 /* 692 * This function is called periodically (every 200ms) during scanning to 693 * switch from one channel to another. 694 */ 695 Static void 696 zyd_next_scan(void *arg) 697 { 698 struct zyd_softc *sc = arg; 699 struct ieee80211com *ic = &sc->sc_ic; 700 701 if (ic->ic_state == IEEE80211_S_SCAN) 702 ieee80211_next_scan(ic); 703 } 704 705 Static void 706 zyd_task(void *arg) 707 { 708 struct zyd_softc *sc = arg; 709 struct ieee80211com *ic = &sc->sc_ic; 710 enum ieee80211_state ostate; 711 712 ostate = ic->ic_state; 713 714 switch (sc->sc_state) { 715 case IEEE80211_S_INIT: 716 if (ostate == IEEE80211_S_RUN) { 717 /* turn link LED off */ 718 zyd_set_led(sc, ZYD_LED1, 0); 719 720 /* stop data LED from blinking */ 721 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 722 } 723 break; 724 725 case IEEE80211_S_SCAN: 726 zyd_set_chan(sc, ic->ic_curchan); 727 usb_callout(sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 728 break; 729 730 case IEEE80211_S_AUTH: 731 case IEEE80211_S_ASSOC: 732 zyd_set_chan(sc, ic->ic_curchan); 733 break; 734 735 case IEEE80211_S_RUN: 736 { 737 struct ieee80211_node *ni = ic->ic_bss; 738 739 zyd_set_chan(sc, ic->ic_curchan); 740 741 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 742 /* turn link LED on */ 743 zyd_set_led(sc, ZYD_LED1, 1); 744 745 /* make data LED blink upon Tx */ 746 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 747 748 zyd_set_bssid(sc, ni->ni_bssid); 749 } 750 751 if (ic->ic_opmode == IEEE80211_M_STA) { 752 /* fake a join to init the tx rate */ 753 zyd_newassoc(ni, 1); 754 } 755 756 /* start automatic rate control timer */ 757 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 758 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 759 760 break; 761 } 762 } 763 764 sc->sc_newstate(ic, sc->sc_state, -1); 765 } 766 767 Static int 768 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 769 { 770 struct zyd_softc *sc = ic->ic_ifp->if_softc; 771 772 usb_rem_task(sc->sc_udev, &sc->sc_task); 773 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 774 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 775 776 /* do it in a process context */ 777 sc->sc_state = nstate; 778 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 779 780 return 0; 781 } 782 783 Static int 784 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 785 void *odata, int olen, u_int flags) 786 { 787 usbd_xfer_handle xfer; 788 struct zyd_cmd cmd; 789 struct rq rq; 790 uint16_t xferflags; 791 usbd_status error; 792 int s = 0; 793 794 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 795 return ENOMEM; 796 797 cmd.code = htole16(code); 798 bcopy(idata, cmd.data, ilen); 799 800 xferflags = USBD_FORCE_SHORT_XFER; 801 if (!(flags & ZYD_CMD_FLAG_READ)) 802 xferflags |= USBD_SYNCHRONOUS; 803 else { 804 s = splusb(); 805 rq.idata = idata; 806 rq.odata = odata; 807 rq.len = olen / sizeof (struct zyd_pair); 808 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 809 } 810 811 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 812 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 813 error = usbd_transfer(xfer); 814 if (error != USBD_IN_PROGRESS && error != 0) { 815 if (flags & ZYD_CMD_FLAG_READ) 816 splx(s); 817 printf("%s: could not send command (error=%s)\n", 818 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 819 (void)usbd_free_xfer(xfer); 820 return EIO; 821 } 822 if (!(flags & ZYD_CMD_FLAG_READ)) { 823 (void)usbd_free_xfer(xfer); 824 return 0; /* write: don't wait for reply */ 825 } 826 /* wait at most one second for command reply */ 827 error = tsleep(odata, PCATCH, "zydcmd", hz); 828 if (error == EWOULDBLOCK) 829 printf("%s: zyd_read sleep timeout\n", USBDEVNAME(sc->sc_dev)); 830 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 831 splx(s); 832 833 (void)usbd_free_xfer(xfer); 834 return error; 835 } 836 837 Static int 838 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 839 { 840 struct zyd_pair tmp; 841 int error; 842 843 reg = htole16(reg); 844 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 845 ZYD_CMD_FLAG_READ); 846 if (error == 0) 847 *val = le16toh(tmp.val); 848 return error; 849 } 850 851 Static int 852 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 853 { 854 struct zyd_pair tmp[2]; 855 uint16_t regs[2]; 856 int error; 857 858 regs[0] = htole16(ZYD_REG32_HI(reg)); 859 regs[1] = htole16(ZYD_REG32_LO(reg)); 860 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 861 ZYD_CMD_FLAG_READ); 862 if (error == 0) 863 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 864 return error; 865 } 866 867 Static int 868 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 869 { 870 struct zyd_pair pair; 871 872 pair.reg = htole16(reg); 873 pair.val = htole16(val); 874 875 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 876 } 877 878 Static int 879 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 880 { 881 struct zyd_pair pair[2]; 882 883 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 884 pair[0].val = htole16(val >> 16); 885 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 886 pair[1].val = htole16(val & 0xffff); 887 888 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 889 } 890 891 Static int 892 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 893 { 894 struct zyd_rf *rf = &sc->sc_rf; 895 struct zyd_rfwrite req; 896 uint16_t cr203; 897 int i; 898 899 (void)zyd_read16(sc, ZYD_CR203, &cr203); 900 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 901 902 req.code = htole16(2); 903 req.width = htole16(rf->width); 904 for (i = 0; i < rf->width; i++) { 905 req.bit[i] = htole16(cr203); 906 if (val & (1 << (rf->width - 1 - i))) 907 req.bit[i] |= htole16(ZYD_RF_DATA); 908 } 909 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 910 } 911 912 Static void 913 zyd_lock_phy(struct zyd_softc *sc) 914 { 915 uint32_t tmp; 916 917 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 918 tmp &= ~ZYD_UNLOCK_PHY_REGS; 919 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 920 } 921 922 Static void 923 zyd_unlock_phy(struct zyd_softc *sc) 924 { 925 uint32_t tmp; 926 927 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 928 tmp |= ZYD_UNLOCK_PHY_REGS; 929 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 930 } 931 932 /* 933 * RFMD RF methods. 934 */ 935 Static int 936 zyd_rfmd_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_RFMD_PHY; 941 static const uint32_t rfini[] = ZYD_RFMD_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 RFMD 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_rfmd_switch_radio(struct zyd_rf *rf, int on) 962 { 963 struct zyd_softc *sc = rf->rf_sc; 964 965 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 966 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 967 968 return 0; 969 } 970 971 Static int 972 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 973 { 974 struct zyd_softc *sc = rf->rf_sc; 975 static const struct { 976 uint32_t r1, r2; 977 } rfprog[] = ZYD_RFMD_CHANTABLE; 978 979 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 980 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 981 982 return 0; 983 } 984 985 /* 986 * AL2230 RF methods. 987 */ 988 Static int 989 zyd_al2230_init(struct zyd_rf *rf) 990 { 991 #define N(a) (sizeof (a) / sizeof ((a)[0])) 992 struct zyd_softc *sc = rf->rf_sc; 993 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 994 static const uint32_t rfini[] = ZYD_AL2230_RF; 995 int i, error; 996 997 /* init RF-dependent PHY registers */ 998 for (i = 0; i < N(phyini); i++) { 999 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1000 if (error != 0) 1001 return error; 1002 } 1003 1004 /* init AL2230 radio */ 1005 for (i = 0; i < N(rfini); i++) { 1006 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1007 return error; 1008 } 1009 return 0; 1010 #undef N 1011 } 1012 1013 Static int 1014 zyd_al2230_init_b(struct zyd_rf *rf) 1015 { 1016 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1017 struct zyd_softc *sc = rf->rf_sc; 1018 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1019 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1020 int i, error; 1021 1022 /* init RF-dependent PHY registers */ 1023 for (i = 0; i < N(phyini); i++) { 1024 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1025 if (error != 0) 1026 return error; 1027 } 1028 1029 /* init AL2230 radio */ 1030 for (i = 0; i < N(rfini); i++) { 1031 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1032 return error; 1033 } 1034 return 0; 1035 #undef N 1036 } 1037 1038 Static int 1039 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1040 { 1041 struct zyd_softc *sc = rf->rf_sc; 1042 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1043 1044 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1045 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1046 1047 return 0; 1048 } 1049 1050 Static int 1051 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1052 { 1053 struct zyd_softc *sc = rf->rf_sc; 1054 static const struct { 1055 uint32_t r1, r2, r3; 1056 } rfprog[] = ZYD_AL2230_CHANTABLE; 1057 1058 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1059 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1060 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1061 1062 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1063 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1064 1065 return 0; 1066 } 1067 1068 /* 1069 * AL7230B RF methods. 1070 */ 1071 Static int 1072 zyd_al7230B_init(struct zyd_rf *rf) 1073 { 1074 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1075 struct zyd_softc *sc = rf->rf_sc; 1076 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1077 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1078 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1079 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1080 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1081 int i, error; 1082 1083 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1084 1085 /* init RF-dependent PHY registers, part one */ 1086 for (i = 0; i < N(phyini_1); i++) { 1087 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1088 if (error != 0) 1089 return error; 1090 } 1091 /* init AL7230B radio, part one */ 1092 for (i = 0; i < N(rfini_1); i++) { 1093 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1094 return error; 1095 } 1096 /* init RF-dependent PHY registers, part two */ 1097 for (i = 0; i < N(phyini_2); i++) { 1098 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1099 if (error != 0) 1100 return error; 1101 } 1102 /* init AL7230B radio, part two */ 1103 for (i = 0; i < N(rfini_2); i++) { 1104 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1105 return error; 1106 } 1107 /* init RF-dependent PHY registers, part three */ 1108 for (i = 0; i < N(phyini_3); i++) { 1109 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1110 if (error != 0) 1111 return error; 1112 } 1113 1114 return 0; 1115 #undef N 1116 } 1117 1118 Static int 1119 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1120 { 1121 struct zyd_softc *sc = rf->rf_sc; 1122 1123 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1124 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1125 1126 return 0; 1127 } 1128 1129 Static int 1130 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1131 { 1132 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1133 struct zyd_softc *sc = rf->rf_sc; 1134 static const struct { 1135 uint32_t r1, r2; 1136 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1137 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1138 int i, error; 1139 1140 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1141 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1142 1143 for (i = 0; i < N(rfsc); i++) { 1144 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1145 return error; 1146 } 1147 1148 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1149 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1150 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1151 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1152 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1153 1154 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1155 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1156 (void)zyd_rfwrite(sc, 0x3c9000); 1157 1158 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1159 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1160 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1161 1162 return 0; 1163 #undef N 1164 } 1165 1166 /* 1167 * AL2210 RF methods. 1168 */ 1169 Static int 1170 zyd_al2210_init(struct zyd_rf *rf) 1171 { 1172 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1173 struct zyd_softc *sc = rf->rf_sc; 1174 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1175 static const uint32_t rfini[] = ZYD_AL2210_RF; 1176 uint32_t tmp; 1177 int i, error; 1178 1179 (void)zyd_write32(sc, ZYD_CR18, 2); 1180 1181 /* init RF-dependent PHY registers */ 1182 for (i = 0; i < N(phyini); i++) { 1183 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1184 if (error != 0) 1185 return error; 1186 } 1187 /* init AL2210 radio */ 1188 for (i = 0; i < N(rfini); i++) { 1189 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1190 return error; 1191 } 1192 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1193 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1194 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1195 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1196 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1197 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1198 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1199 (void)zyd_write32(sc, ZYD_CR18, 3); 1200 1201 return 0; 1202 #undef N 1203 } 1204 1205 Static int 1206 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1207 { 1208 /* vendor driver does nothing for this RF chip */ 1209 1210 return 0; 1211 } 1212 1213 Static int 1214 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1215 { 1216 struct zyd_softc *sc = rf->rf_sc; 1217 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1218 uint32_t tmp; 1219 1220 (void)zyd_write32(sc, ZYD_CR18, 2); 1221 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1222 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1223 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1224 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1225 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1226 1227 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1228 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1229 1230 /* actually set the channel */ 1231 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1232 1233 (void)zyd_write32(sc, ZYD_CR18, 3); 1234 1235 return 0; 1236 } 1237 1238 /* 1239 * GCT RF methods. 1240 */ 1241 Static int 1242 zyd_gct_init(struct zyd_rf *rf) 1243 { 1244 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1245 struct zyd_softc *sc = rf->rf_sc; 1246 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1247 static const uint32_t rfini[] = ZYD_GCT_RF; 1248 int i, error; 1249 1250 /* init RF-dependent PHY registers */ 1251 for (i = 0; i < N(phyini); i++) { 1252 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1253 if (error != 0) 1254 return error; 1255 } 1256 /* init cgt radio */ 1257 for (i = 0; i < N(rfini); i++) { 1258 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1259 return error; 1260 } 1261 return 0; 1262 #undef N 1263 } 1264 1265 Static int 1266 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1267 { 1268 /* vendor driver does nothing for this RF chip */ 1269 1270 return 0; 1271 } 1272 1273 Static int 1274 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1275 { 1276 struct zyd_softc *sc = rf->rf_sc; 1277 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1278 1279 (void)zyd_rfwrite(sc, 0x1c0000); 1280 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1281 (void)zyd_rfwrite(sc, 0x1c0008); 1282 1283 return 0; 1284 } 1285 1286 /* 1287 * Maxim RF methods. 1288 */ 1289 Static int 1290 zyd_maxim_init(struct zyd_rf *rf) 1291 { 1292 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1293 struct zyd_softc *sc = rf->rf_sc; 1294 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1295 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1296 uint16_t tmp; 1297 int i, error; 1298 1299 /* init RF-dependent PHY registers */ 1300 for (i = 0; i < N(phyini); i++) { 1301 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1302 if (error != 0) 1303 return error; 1304 } 1305 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1306 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1307 1308 /* init maxim radio */ 1309 for (i = 0; i < N(rfini); i++) { 1310 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1311 return error; 1312 } 1313 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1314 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1315 1316 return 0; 1317 #undef N 1318 } 1319 1320 Static int 1321 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1322 { 1323 /* vendor driver does nothing for this RF chip */ 1324 1325 return 0; 1326 } 1327 1328 Static int 1329 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1330 { 1331 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1332 struct zyd_softc *sc = rf->rf_sc; 1333 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1334 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1335 static const struct { 1336 uint32_t r1, r2; 1337 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1338 uint16_t tmp; 1339 int i, error; 1340 1341 /* 1342 * Do the same as we do when initializing it, except for the channel 1343 * values coming from the two channel tables. 1344 */ 1345 1346 /* init RF-dependent PHY registers */ 1347 for (i = 0; i < N(phyini); i++) { 1348 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1349 if (error != 0) 1350 return error; 1351 } 1352 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1353 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1354 1355 /* first two values taken from the chantables */ 1356 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1357 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1358 1359 /* init maxim radio - skipping the two first values */ 1360 for (i = 2; i < N(rfini); i++) { 1361 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1362 return error; 1363 } 1364 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1365 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1366 1367 return 0; 1368 #undef N 1369 } 1370 1371 /* 1372 * Maxim2 RF methods. 1373 */ 1374 Static int 1375 zyd_maxim2_init(struct zyd_rf *rf) 1376 { 1377 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1378 struct zyd_softc *sc = rf->rf_sc; 1379 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1380 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1381 uint16_t tmp; 1382 int i, error; 1383 1384 /* init RF-dependent PHY registers */ 1385 for (i = 0; i < N(phyini); i++) { 1386 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1387 if (error != 0) 1388 return error; 1389 } 1390 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1391 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1392 1393 /* init maxim2 radio */ 1394 for (i = 0; i < N(rfini); i++) { 1395 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1396 return error; 1397 } 1398 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1399 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1400 1401 return 0; 1402 #undef N 1403 } 1404 1405 Static int 1406 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1407 { 1408 /* vendor driver does nothing for this RF chip */ 1409 1410 return 0; 1411 } 1412 1413 Static int 1414 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1415 { 1416 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1417 struct zyd_softc *sc = rf->rf_sc; 1418 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1419 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1420 static const struct { 1421 uint32_t r1, r2; 1422 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1423 uint16_t tmp; 1424 int i, error; 1425 1426 /* 1427 * Do the same as we do when initializing it, except for the channel 1428 * values coming from the two channel tables. 1429 */ 1430 1431 /* init RF-dependent PHY registers */ 1432 for (i = 0; i < N(phyini); i++) { 1433 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1434 if (error != 0) 1435 return error; 1436 } 1437 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1438 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1439 1440 /* first two values taken from the chantables */ 1441 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1442 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1443 1444 /* init maxim2 radio - skipping the two first values */ 1445 for (i = 2; i < N(rfini); i++) { 1446 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1447 return error; 1448 } 1449 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1450 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1451 1452 return 0; 1453 #undef N 1454 } 1455 1456 Static int 1457 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1458 { 1459 struct zyd_rf *rf = &sc->sc_rf; 1460 1461 rf->rf_sc = sc; 1462 1463 switch (type) { 1464 case ZYD_RF_RFMD: 1465 rf->init = zyd_rfmd_init; 1466 rf->switch_radio = zyd_rfmd_switch_radio; 1467 rf->set_channel = zyd_rfmd_set_channel; 1468 rf->width = 24; /* 24-bit RF values */ 1469 break; 1470 case ZYD_RF_AL2230: 1471 if (sc->mac_rev == ZYD_ZD1211B) 1472 rf->init = zyd_al2230_init_b; 1473 else 1474 rf->init = zyd_al2230_init; 1475 rf->switch_radio = zyd_al2230_switch_radio; 1476 rf->set_channel = zyd_al2230_set_channel; 1477 rf->width = 24; /* 24-bit RF values */ 1478 break; 1479 case ZYD_RF_AL7230B: 1480 rf->init = zyd_al7230B_init; 1481 rf->switch_radio = zyd_al7230B_switch_radio; 1482 rf->set_channel = zyd_al7230B_set_channel; 1483 rf->width = 24; /* 24-bit RF values */ 1484 break; 1485 case ZYD_RF_AL2210: 1486 rf->init = zyd_al2210_init; 1487 rf->switch_radio = zyd_al2210_switch_radio; 1488 rf->set_channel = zyd_al2210_set_channel; 1489 rf->width = 24; /* 24-bit RF values */ 1490 break; 1491 case ZYD_RF_GCT: 1492 rf->init = zyd_gct_init; 1493 rf->switch_radio = zyd_gct_switch_radio; 1494 rf->set_channel = zyd_gct_set_channel; 1495 rf->width = 21; /* 21-bit RF values */ 1496 break; 1497 case ZYD_RF_MAXIM_NEW: 1498 rf->init = zyd_maxim_init; 1499 rf->switch_radio = zyd_maxim_switch_radio; 1500 rf->set_channel = zyd_maxim_set_channel; 1501 rf->width = 18; /* 18-bit RF values */ 1502 break; 1503 case ZYD_RF_MAXIM_NEW2: 1504 rf->init = zyd_maxim2_init; 1505 rf->switch_radio = zyd_maxim2_switch_radio; 1506 rf->set_channel = zyd_maxim2_set_channel; 1507 rf->width = 18; /* 18-bit RF values */ 1508 break; 1509 default: 1510 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1511 USBDEVNAME(sc->sc_dev), zyd_rf_name(type)); 1512 return EINVAL; 1513 } 1514 return 0; 1515 } 1516 1517 Static const char * 1518 zyd_rf_name(uint8_t type) 1519 { 1520 static const char * const zyd_rfs[] = { 1521 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1522 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1523 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1524 "PHILIPS" 1525 }; 1526 1527 return zyd_rfs[(type > 15) ? 0 : type]; 1528 } 1529 1530 Static int 1531 zyd_hw_init(struct zyd_softc *sc) 1532 { 1533 struct zyd_rf *rf = &sc->sc_rf; 1534 const struct zyd_phy_pair *phyp; 1535 int error; 1536 1537 /* specify that the plug and play is finished */ 1538 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1539 1540 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1541 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1542 1543 /* retrieve firmware revision number */ 1544 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1545 1546 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1547 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1548 1549 /* disable interrupts */ 1550 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1551 1552 /* PHY init */ 1553 zyd_lock_phy(sc); 1554 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1555 for (; phyp->reg != 0; phyp++) { 1556 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1557 goto fail; 1558 } 1559 zyd_unlock_phy(sc); 1560 1561 /* HMAC init */ 1562 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1563 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1564 1565 if (sc->mac_rev == ZYD_ZD1211) { 1566 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1567 } else { 1568 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1569 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1570 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1571 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1572 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1573 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1574 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1575 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1576 } 1577 1578 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1579 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1580 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1581 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1582 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1583 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1584 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1585 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1586 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1587 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1588 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1589 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1590 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1591 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1592 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1593 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1594 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1595 1596 /* RF chip init */ 1597 zyd_lock_phy(sc); 1598 error = (*rf->init)(rf); 1599 zyd_unlock_phy(sc); 1600 if (error != 0) { 1601 printf("%s: radio initialization failed\n", 1602 USBDEVNAME(sc->sc_dev)); 1603 goto fail; 1604 } 1605 1606 /* init beacon interval to 100ms */ 1607 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1608 goto fail; 1609 1610 fail: return error; 1611 } 1612 1613 Static int 1614 zyd_read_eeprom(struct zyd_softc *sc) 1615 { 1616 struct ieee80211com *ic = &sc->sc_ic; 1617 uint32_t tmp; 1618 uint16_t val; 1619 int i; 1620 1621 /* read MAC address */ 1622 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1623 ic->ic_myaddr[0] = tmp & 0xff; 1624 ic->ic_myaddr[1] = tmp >> 8; 1625 ic->ic_myaddr[2] = tmp >> 16; 1626 ic->ic_myaddr[3] = tmp >> 24; 1627 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1628 ic->ic_myaddr[4] = tmp & 0xff; 1629 ic->ic_myaddr[5] = tmp >> 8; 1630 1631 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1632 sc->rf_rev = tmp & 0x0f; 1633 sc->pa_rev = (tmp >> 16) & 0x0f; 1634 1635 /* read regulatory domain (currently unused) */ 1636 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1637 sc->regdomain = tmp >> 16; 1638 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1639 1640 /* read Tx power calibration tables */ 1641 for (i = 0; i < 7; i++) { 1642 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1643 sc->pwr_cal[i * 2] = val >> 8; 1644 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1645 1646 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1647 sc->pwr_int[i * 2] = val >> 8; 1648 sc->pwr_int[i * 2 + 1] = val & 0xff; 1649 1650 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1651 sc->ofdm36_cal[i * 2] = val >> 8; 1652 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1653 1654 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1655 sc->ofdm48_cal[i * 2] = val >> 8; 1656 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1657 1658 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1659 sc->ofdm54_cal[i * 2] = val >> 8; 1660 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1661 } 1662 return 0; 1663 } 1664 1665 Static int 1666 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1667 { 1668 uint32_t tmp; 1669 1670 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1671 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1672 1673 tmp = addr[5] << 8 | addr[4]; 1674 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1675 1676 return 0; 1677 } 1678 1679 Static int 1680 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1681 { 1682 uint32_t tmp; 1683 1684 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1685 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1686 1687 tmp = addr[5] << 8 | addr[4]; 1688 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1689 1690 return 0; 1691 } 1692 1693 Static int 1694 zyd_switch_radio(struct zyd_softc *sc, int on) 1695 { 1696 struct zyd_rf *rf = &sc->sc_rf; 1697 int error; 1698 1699 zyd_lock_phy(sc); 1700 error = (*rf->switch_radio)(rf, on); 1701 zyd_unlock_phy(sc); 1702 1703 return error; 1704 } 1705 1706 Static void 1707 zyd_set_led(struct zyd_softc *sc, int which, int on) 1708 { 1709 uint32_t tmp; 1710 1711 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1712 tmp &= ~which; 1713 if (on) 1714 tmp |= which; 1715 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1716 } 1717 1718 Static int 1719 zyd_set_rxfilter(struct zyd_softc *sc) 1720 { 1721 uint32_t rxfilter; 1722 1723 switch (sc->sc_ic.ic_opmode) { 1724 case IEEE80211_M_STA: 1725 rxfilter = ZYD_FILTER_BSS; 1726 break; 1727 case IEEE80211_M_IBSS: 1728 case IEEE80211_M_HOSTAP: 1729 rxfilter = ZYD_FILTER_HOSTAP; 1730 break; 1731 case IEEE80211_M_MONITOR: 1732 rxfilter = ZYD_FILTER_MONITOR; 1733 break; 1734 default: 1735 /* should not get there */ 1736 return EINVAL; 1737 } 1738 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1739 } 1740 1741 Static void 1742 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1743 { 1744 struct ieee80211com *ic = &sc->sc_ic; 1745 struct zyd_rf *rf = &sc->sc_rf; 1746 u_int chan; 1747 1748 chan = ieee80211_chan2ieee(ic, c); 1749 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1750 return; 1751 1752 zyd_lock_phy(sc); 1753 1754 (*rf->set_channel)(rf, chan); 1755 1756 /* update Tx power */ 1757 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1758 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1759 1760 if (sc->mac_rev == ZYD_ZD1211B) { 1761 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1762 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1763 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1764 1765 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1766 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1767 } 1768 1769 zyd_unlock_phy(sc); 1770 } 1771 1772 Static int 1773 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1774 { 1775 /* XXX this is probably broken.. */ 1776 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1777 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1778 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1779 1780 return 0; 1781 } 1782 1783 Static uint8_t 1784 zyd_plcp_signal(int rate) 1785 { 1786 switch (rate) { 1787 /* CCK rates (returned values are device-dependent) */ 1788 case 2: return 0x0; 1789 case 4: return 0x1; 1790 case 11: return 0x2; 1791 case 22: return 0x3; 1792 1793 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1794 case 12: return 0xb; 1795 case 18: return 0xf; 1796 case 24: return 0xa; 1797 case 36: return 0xe; 1798 case 48: return 0x9; 1799 case 72: return 0xd; 1800 case 96: return 0x8; 1801 case 108: return 0xc; 1802 1803 /* unsupported rates (should not get there) */ 1804 default: return 0xff; 1805 } 1806 } 1807 1808 Static void 1809 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1810 { 1811 struct zyd_softc *sc = (struct zyd_softc *)priv; 1812 struct zyd_cmd *cmd; 1813 uint32_t datalen; 1814 1815 if (status != USBD_NORMAL_COMPLETION) { 1816 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1817 return; 1818 1819 if (status == USBD_STALLED) { 1820 usbd_clear_endpoint_stall_async( 1821 sc->zyd_ep[ZYD_ENDPT_IIN]); 1822 } 1823 return; 1824 } 1825 1826 cmd = (struct zyd_cmd *)sc->ibuf; 1827 1828 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1829 struct zyd_notif_retry *retry = 1830 (struct zyd_notif_retry *)cmd->data; 1831 struct ieee80211com *ic = &sc->sc_ic; 1832 struct ifnet *ifp = &sc->sc_if; 1833 struct ieee80211_node *ni; 1834 1835 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1836 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1837 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1838 1839 /* 1840 * Find the node to which the packet was sent and update its 1841 * retry statistics. In BSS mode, this node is the AP we're 1842 * associated to so no lookup is actually needed. 1843 */ 1844 if (ic->ic_opmode != IEEE80211_M_STA) { 1845 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1846 if (ni == NULL) 1847 return; /* just ignore */ 1848 } else 1849 ni = ic->ic_bss; 1850 1851 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1852 1853 if (le16toh(retry->count) & 0x100) 1854 ifp->if_oerrors++; /* too many retries */ 1855 1856 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1857 struct rq *rqp; 1858 1859 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1860 return; /* HMAC interrupt */ 1861 1862 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1863 datalen -= sizeof(cmd->code); 1864 datalen -= 2; /* XXX: padding? */ 1865 1866 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1867 int i; 1868 1869 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1870 continue; 1871 for (i = 0; i < rqp->len; i++) { 1872 if (*(((const uint16_t *)rqp->idata) + i) != 1873 (((struct zyd_pair *)cmd->data) + i)->reg) 1874 break; 1875 } 1876 if (i != rqp->len) 1877 continue; 1878 1879 /* copy answer into caller-supplied buffer */ 1880 bcopy(cmd->data, rqp->odata, 1881 sizeof(struct zyd_pair) * rqp->len); 1882 wakeup(rqp->odata); /* wakeup caller */ 1883 1884 return; 1885 } 1886 return; /* unexpected IORD notification */ 1887 } else { 1888 printf("%s: unknown notification %x\n", USBDEVNAME(sc->sc_dev), 1889 le16toh(cmd->code)); 1890 } 1891 } 1892 1893 Static void 1894 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1895 { 1896 struct ieee80211com *ic = &sc->sc_ic; 1897 struct ifnet *ifp = &sc->sc_if; 1898 struct ieee80211_node *ni; 1899 struct ieee80211_frame *wh; 1900 const struct zyd_plcphdr *plcp; 1901 const struct zyd_rx_stat *stat; 1902 struct mbuf *m; 1903 int rlen, s; 1904 1905 if (len < ZYD_MIN_FRAGSZ) { 1906 printf("%s: frame too short (length=%d)\n", 1907 USBDEVNAME(sc->sc_dev), len); 1908 ifp->if_ierrors++; 1909 return; 1910 } 1911 1912 plcp = (const struct zyd_plcphdr *)buf; 1913 stat = (const struct zyd_rx_stat *) 1914 (buf + len - sizeof (struct zyd_rx_stat)); 1915 1916 if (stat->flags & ZYD_RX_ERROR) { 1917 DPRINTF(("%s: RX status indicated error (%x)\n", 1918 USBDEVNAME(sc->sc_dev), stat->flags)); 1919 ifp->if_ierrors++; 1920 return; 1921 } 1922 1923 /* compute actual frame length */ 1924 rlen = len - sizeof (struct zyd_plcphdr) - 1925 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1926 1927 /* allocate a mbuf to store the frame */ 1928 MGETHDR(m, M_DONTWAIT, MT_DATA); 1929 if (m == NULL) { 1930 printf("%s: could not allocate rx mbuf\n", 1931 USBDEVNAME(sc->sc_dev)); 1932 ifp->if_ierrors++; 1933 return; 1934 } 1935 if (rlen > MHLEN) { 1936 MCLGET(m, M_DONTWAIT); 1937 if (!(m->m_flags & M_EXT)) { 1938 printf("%s: could not allocate rx mbuf cluster\n", 1939 USBDEVNAME(sc->sc_dev)); 1940 m_freem(m); 1941 ifp->if_ierrors++; 1942 return; 1943 } 1944 } 1945 m->m_pkthdr.rcvif = ifp; 1946 m->m_pkthdr.len = m->m_len = rlen; 1947 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1948 1949 s = splnet(); 1950 1951 #if NBPFILTER > 0 1952 if (sc->sc_drvbpf != NULL) { 1953 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1954 static const uint8_t rates[] = { 1955 /* reverse function of zyd_plcp_signal() */ 1956 2, 4, 11, 22, 0, 0, 0, 0, 1957 96, 48, 24, 12, 108, 72, 36, 18 1958 }; 1959 1960 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1961 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1962 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1963 tap->wr_rssi = stat->rssi; 1964 tap->wr_rate = rates[plcp->signal & 0xf]; 1965 1966 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1967 } 1968 #endif 1969 1970 wh = mtod(m, struct ieee80211_frame *); 1971 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1972 ieee80211_input(ic, m, ni, stat->rssi, 0); 1973 1974 /* node is no longer needed */ 1975 ieee80211_free_node(ni); 1976 1977 splx(s); 1978 } 1979 1980 Static void 1981 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1982 { 1983 struct zyd_rx_data *data = priv; 1984 struct zyd_softc *sc = data->sc; 1985 struct ifnet *ifp = &sc->sc_if; 1986 const struct zyd_rx_desc *desc; 1987 int len; 1988 1989 if (status != USBD_NORMAL_COMPLETION) { 1990 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1991 return; 1992 1993 if (status == USBD_STALLED) 1994 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 1995 1996 goto skip; 1997 } 1998 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1999 2000 if (len < ZYD_MIN_RXBUFSZ) { 2001 printf("%s: xfer too short (length=%d)\n", 2002 USBDEVNAME(sc->sc_dev), len); 2003 ifp->if_ierrors++; 2004 goto skip; 2005 } 2006 2007 desc = (const struct zyd_rx_desc *) 2008 (data->buf + len - sizeof (struct zyd_rx_desc)); 2009 2010 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2011 const uint8_t *p = data->buf, *end = p + len; 2012 int i; 2013 2014 DPRINTFN(3, ("received multi-frame transfer\n")); 2015 2016 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2017 const uint16_t len16 = UGETW(desc->len[i]); 2018 2019 if (len16 == 0 || p + len16 > end) 2020 break; 2021 2022 zyd_rx_data(sc, p, len16); 2023 /* next frame is aligned on a 32-bit boundary */ 2024 p += (len16 + 3) & ~3; 2025 } 2026 } else { 2027 DPRINTFN(3, ("received single-frame transfer\n")); 2028 2029 zyd_rx_data(sc, data->buf, len); 2030 } 2031 2032 skip: /* setup a new transfer */ 2033 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2034 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2035 USBD_NO_TIMEOUT, zyd_rxeof); 2036 (void)usbd_transfer(xfer); 2037 } 2038 2039 Static int 2040 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2041 { 2042 struct ieee80211com *ic = &sc->sc_ic; 2043 struct ifnet *ifp = &sc->sc_if; 2044 struct zyd_tx_desc *desc; 2045 struct zyd_tx_data *data; 2046 struct ieee80211_frame *wh; 2047 struct ieee80211_key *k; 2048 int xferlen, totlen, rate; 2049 uint16_t pktlen; 2050 usbd_status error; 2051 2052 data = &sc->tx_data[0]; 2053 desc = (struct zyd_tx_desc *)data->buf; 2054 2055 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2056 2057 wh = mtod(m0, struct ieee80211_frame *); 2058 2059 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2060 k = ieee80211_crypto_encap(ic, ni, m0); 2061 if (k == NULL) { 2062 m_freem(m0); 2063 return ENOBUFS; 2064 } 2065 } 2066 2067 data->ni = ni; 2068 2069 wh = mtod(m0, struct ieee80211_frame *); 2070 2071 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2072 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2073 2074 /* fill Tx descriptor */ 2075 desc->len = htole16(totlen); 2076 2077 desc->flags = ZYD_TX_FLAG_BACKOFF; 2078 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2079 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2080 if (totlen > ic->ic_rtsthreshold) { 2081 desc->flags |= ZYD_TX_FLAG_RTS; 2082 } else if (ZYD_RATE_IS_OFDM(rate) && 2083 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2084 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2085 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2086 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2087 desc->flags |= ZYD_TX_FLAG_RTS; 2088 } 2089 } else 2090 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2091 2092 if ((wh->i_fc[0] & 2093 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2094 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2095 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2096 2097 desc->phy = zyd_plcp_signal(rate); 2098 if (ZYD_RATE_IS_OFDM(rate)) { 2099 desc->phy |= ZYD_TX_PHY_OFDM; 2100 if (ic->ic_curmode == IEEE80211_MODE_11A) 2101 desc->phy |= ZYD_TX_PHY_5GHZ; 2102 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2103 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2104 2105 /* actual transmit length (XXX why +10?) */ 2106 pktlen = sizeof (struct zyd_tx_desc) + 10; 2107 if (sc->mac_rev == ZYD_ZD1211) 2108 pktlen += totlen; 2109 desc->pktlen = htole16(pktlen); 2110 2111 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2112 desc->plcp_service = 0; 2113 if (rate == 22) { 2114 const int remainder = (16 * totlen) % 22; 2115 if (remainder != 0 && remainder < 7) 2116 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2117 } 2118 2119 #if NBPFILTER > 0 2120 if (sc->sc_drvbpf != NULL) { 2121 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2122 2123 tap->wt_flags = 0; 2124 tap->wt_rate = rate; 2125 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2126 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2127 2128 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2129 } 2130 #endif 2131 2132 m_copydata(m0, 0, m0->m_pkthdr.len, 2133 data->buf + sizeof (struct zyd_tx_desc)); 2134 2135 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2136 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2137 2138 m_freem(m0); /* mbuf no longer needed */ 2139 2140 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2141 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2142 ZYD_TX_TIMEOUT, zyd_txeof); 2143 error = usbd_transfer(data->xfer); 2144 if (error != USBD_IN_PROGRESS && error != 0) { 2145 ifp->if_oerrors++; 2146 return EIO; 2147 } 2148 sc->tx_queued++; 2149 2150 return 0; 2151 } 2152 2153 Static void 2154 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2155 { 2156 struct zyd_tx_data *data = priv; 2157 struct zyd_softc *sc = data->sc; 2158 struct ifnet *ifp = &sc->sc_if; 2159 int s; 2160 2161 if (status != USBD_NORMAL_COMPLETION) { 2162 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2163 return; 2164 2165 printf("%s: could not transmit buffer: %s\n", 2166 USBDEVNAME(sc->sc_dev), usbd_errstr(status)); 2167 2168 if (status == USBD_STALLED) { 2169 usbd_clear_endpoint_stall_async( 2170 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2171 } 2172 ifp->if_oerrors++; 2173 return; 2174 } 2175 2176 s = splnet(); 2177 2178 /* update rate control statistics */ 2179 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2180 2181 ieee80211_free_node(data->ni); 2182 data->ni = NULL; 2183 2184 sc->tx_queued--; 2185 ifp->if_opackets++; 2186 2187 sc->tx_timer = 0; 2188 ifp->if_flags &= ~IFF_OACTIVE; 2189 zyd_start(ifp); 2190 2191 splx(s); 2192 } 2193 2194 Static int 2195 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2196 { 2197 struct ieee80211com *ic = &sc->sc_ic; 2198 struct ifnet *ifp = &sc->sc_if; 2199 struct zyd_tx_desc *desc; 2200 struct zyd_tx_data *data; 2201 struct ieee80211_frame *wh; 2202 struct ieee80211_key *k; 2203 int xferlen, totlen, rate; 2204 uint16_t pktlen; 2205 usbd_status error; 2206 2207 wh = mtod(m0, struct ieee80211_frame *); 2208 2209 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2210 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2211 else 2212 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2213 rate &= IEEE80211_RATE_VAL; 2214 2215 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2216 k = ieee80211_crypto_encap(ic, ni, m0); 2217 if (k == NULL) { 2218 m_freem(m0); 2219 return ENOBUFS; 2220 } 2221 2222 /* packet header may have moved, reset our local pointer */ 2223 wh = mtod(m0, struct ieee80211_frame *); 2224 } 2225 2226 data = &sc->tx_data[0]; 2227 desc = (struct zyd_tx_desc *)data->buf; 2228 2229 data->ni = ni; 2230 2231 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2232 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2233 2234 /* fill Tx descriptor */ 2235 desc->len = htole16(totlen); 2236 2237 desc->flags = ZYD_TX_FLAG_BACKOFF; 2238 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2239 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2240 if (totlen > ic->ic_rtsthreshold) { 2241 desc->flags |= ZYD_TX_FLAG_RTS; 2242 } else if (ZYD_RATE_IS_OFDM(rate) && 2243 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2244 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2245 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2246 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2247 desc->flags |= ZYD_TX_FLAG_RTS; 2248 } 2249 } else 2250 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2251 2252 if ((wh->i_fc[0] & 2253 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2254 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2255 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2256 2257 desc->phy = zyd_plcp_signal(rate); 2258 if (ZYD_RATE_IS_OFDM(rate)) { 2259 desc->phy |= ZYD_TX_PHY_OFDM; 2260 if (ic->ic_curmode == IEEE80211_MODE_11A) 2261 desc->phy |= ZYD_TX_PHY_5GHZ; 2262 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2263 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2264 2265 /* actual transmit length (XXX why +10?) */ 2266 pktlen = sizeof (struct zyd_tx_desc) + 10; 2267 if (sc->mac_rev == ZYD_ZD1211) 2268 pktlen += totlen; 2269 desc->pktlen = htole16(pktlen); 2270 2271 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2272 desc->plcp_service = 0; 2273 if (rate == 22) { 2274 const int remainder = (16 * totlen) % 22; 2275 if (remainder != 0 && remainder < 7) 2276 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2277 } 2278 2279 #if NBPFILTER > 0 2280 if (sc->sc_drvbpf != NULL) { 2281 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2282 2283 tap->wt_flags = 0; 2284 tap->wt_rate = rate; 2285 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2286 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2287 2288 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2289 } 2290 #endif 2291 2292 m_copydata(m0, 0, m0->m_pkthdr.len, 2293 data->buf + sizeof (struct zyd_tx_desc)); 2294 2295 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2296 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2297 2298 m_freem(m0); /* mbuf no longer needed */ 2299 2300 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2301 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2302 ZYD_TX_TIMEOUT, zyd_txeof); 2303 error = usbd_transfer(data->xfer); 2304 if (error != USBD_IN_PROGRESS && error != 0) { 2305 ifp->if_oerrors++; 2306 return EIO; 2307 } 2308 sc->tx_queued++; 2309 2310 return 0; 2311 } 2312 2313 Static void 2314 zyd_start(struct ifnet *ifp) 2315 { 2316 struct zyd_softc *sc = ifp->if_softc; 2317 struct ieee80211com *ic = &sc->sc_ic; 2318 struct ether_header *eh; 2319 struct ieee80211_node *ni; 2320 struct mbuf *m0; 2321 2322 for (;;) { 2323 IF_POLL(&ic->ic_mgtq, m0); 2324 if (m0 != NULL) { 2325 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2326 ifp->if_flags |= IFF_OACTIVE; 2327 break; 2328 } 2329 IF_DEQUEUE(&ic->ic_mgtq, m0); 2330 2331 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2332 m0->m_pkthdr.rcvif = NULL; 2333 #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, caddr_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, CLLADDR(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 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2507 printf("%s: could not allocate Tx list\n", 2508 USBDEVNAME(sc->sc_dev)); 2509 goto fail; 2510 } 2511 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2512 printf("%s: could not allocate Rx list\n", 2513 USBDEVNAME(sc->sc_dev)); 2514 goto fail; 2515 } 2516 2517 /* 2518 * Start up the receive pipe. 2519 */ 2520 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2521 struct zyd_rx_data *data = &sc->rx_data[i]; 2522 2523 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2524 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2525 USBD_NO_TIMEOUT, zyd_rxeof); 2526 error = usbd_transfer(data->xfer); 2527 if (error != USBD_IN_PROGRESS && error != 0) { 2528 printf("%s: could not queue Rx transfer\n", 2529 USBDEVNAME(sc->sc_dev)); 2530 goto fail; 2531 } 2532 } 2533 2534 ifp->if_flags &= ~IFF_OACTIVE; 2535 ifp->if_flags |= IFF_RUNNING; 2536 2537 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2538 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2539 else 2540 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2541 2542 return 0; 2543 2544 fail: zyd_stop(ifp, 1); 2545 return error; 2546 } 2547 2548 Static void 2549 zyd_stop(struct ifnet *ifp, int disable) 2550 { 2551 struct zyd_softc *sc = ifp->if_softc; 2552 struct ieee80211com *ic = &sc->sc_ic; 2553 2554 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2555 2556 sc->tx_timer = 0; 2557 ifp->if_timer = 0; 2558 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2559 2560 /* switch radio transmitter OFF */ 2561 (void)zyd_switch_radio(sc, 0); 2562 2563 /* disable Rx */ 2564 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2565 2566 /* disable interrupts */ 2567 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2568 2569 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2570 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2571 2572 zyd_free_rx_list(sc); 2573 zyd_free_tx_list(sc); 2574 } 2575 2576 Static int 2577 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2578 { 2579 usb_device_request_t req; 2580 uint16_t addr; 2581 uint8_t stat; 2582 2583 DPRINTF(("firmware size=%zu\n", size)); 2584 2585 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2586 req.bRequest = ZYD_DOWNLOADREQ; 2587 USETW(req.wIndex, 0); 2588 2589 addr = ZYD_FIRMWARE_START_ADDR; 2590 while (size > 0) { 2591 #if 0 2592 const int mlen = min(size, 4096); 2593 #else 2594 /* 2595 * XXXX: When the transfer size is 4096 bytes, it is not 2596 * likely to be able to transfer it. 2597 * The cause is port or machine or chip? 2598 */ 2599 const int mlen = min(size, 64); 2600 #endif 2601 2602 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2603 addr)); 2604 2605 USETW(req.wValue, addr); 2606 USETW(req.wLength, mlen); 2607 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2608 return EIO; 2609 2610 addr += mlen / 2; 2611 fw += mlen; 2612 size -= mlen; 2613 } 2614 2615 /* check whether the upload succeeded */ 2616 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2617 req.bRequest = ZYD_DOWNLOADSTS; 2618 USETW(req.wValue, 0); 2619 USETW(req.wIndex, 0); 2620 USETW(req.wLength, sizeof stat); 2621 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2622 return EIO; 2623 2624 return (stat & 0x80) ? EIO : 0; 2625 } 2626 2627 Static void 2628 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2629 { 2630 struct zyd_softc *sc = arg; 2631 struct zyd_node *zn = (struct zyd_node *)ni; 2632 2633 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2634 } 2635 2636 Static void 2637 zyd_amrr_timeout(void *arg) 2638 { 2639 struct zyd_softc *sc = arg; 2640 struct ieee80211com *ic = &sc->sc_ic; 2641 int s; 2642 2643 s = splnet(); 2644 if (ic->ic_opmode == IEEE80211_M_STA) 2645 zyd_iter_func(sc, ic->ic_bss); 2646 else 2647 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2648 splx(s); 2649 2650 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2651 } 2652 2653 Static void 2654 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2655 { 2656 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2657 int i; 2658 2659 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2660 2661 /* set rate to some reasonable initial value */ 2662 for (i = ni->ni_rates.rs_nrates - 1; 2663 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2664 i--); 2665 ni->ni_txrate = i; 2666 } 2667 2668 int 2669 zyd_activate(device_ptr_t self, enum devact act) 2670 { 2671 struct zyd_softc *sc = device_private(self); 2672 2673 switch (act) { 2674 case DVACT_ACTIVATE: 2675 break; 2676 2677 case DVACT_DEACTIVATE: 2678 if_deactivate(&sc->sc_if); 2679 break; 2680 } 2681 return 0; 2682 } 2683
Indexes created Mon Oct 13 01:09:56 GMT 2025