if_zyd.c revision 1.7.4.2
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.7.4.2 2007/07/15 13:21:48 ad 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 1.7.4.2 2007/07/15 13:21:48 ad 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 }; 149 #define zyd_lookup(v, p) \ 150 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 151 152 USB_DECLARE_DRIVER(zyd); 153 154 Static int zyd_attachhook(void *); 155 Static int zyd_complete_attach(struct zyd_softc *); 156 Static int zyd_open_pipes(struct zyd_softc *); 157 Static void zyd_close_pipes(struct zyd_softc *); 158 Static int zyd_alloc_tx_list(struct zyd_softc *); 159 Static void zyd_free_tx_list(struct zyd_softc *); 160 Static int zyd_alloc_rx_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 *, const uint8_t *, 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, void *); 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 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 239 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 240 } 241 242 Static int 243 zyd_attachhook(void *xsc) 244 { 245 struct zyd_softc *sc = xsc; 246 firmware_handle_t fwh; 247 const char *fwname; 248 u_char *fw; 249 size_t size; 250 int error; 251 252 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 253 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 254 printf("%s: failed to open firmware %s (error=%d)\n", 255 USBDEVNAME(sc->sc_dev), fwname, error); 256 return error; 257 } 258 size = firmware_get_size(fwh); 259 fw = firmware_malloc(size); 260 if (fw == NULL) { 261 printf("%s: failed to allocate firmware memory\n", 262 USBDEVNAME(sc->sc_dev)); 263 firmware_close(fwh); 264 return ENOMEM;; 265 } 266 error = firmware_read(fwh, 0, fw, size); 267 firmware_close(fwh); 268 if (error != 0) { 269 printf("%s: failed to read firmware (error %d)\n", 270 USBDEVNAME(sc->sc_dev), error); 271 firmware_free(fw, 0); 272 return error; 273 } 274 275 error = zyd_loadfirmware(sc, fw, size); 276 if (error != 0) { 277 printf("%s: could not load firmware (error=%d)\n", 278 USBDEVNAME(sc->sc_dev), error); 279 firmware_free(fw, 0); 280 return ENXIO; 281 } 282 283 firmware_free(fw, 0); 284 sc->sc_flags |= ZD1211_FWLOADED; 285 286 /* complete the attach process */ 287 if ((error = zyd_complete_attach(sc)) == 0) 288 sc->attached = 1; 289 return error; 290 } 291 292 USB_ATTACH(zyd) 293 { 294 USB_ATTACH_START(zyd, sc, uaa); 295 char *devinfop; 296 usb_device_descriptor_t* ddesc; 297 struct ifnet *ifp = &sc->sc_if; 298 299 sc->sc_udev = uaa->device; 300 sc->sc_flags = 0; 301 302 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 303 USB_ATTACH_SETUP; 304 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 305 usbd_devinfo_free(devinfop); 306 307 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 308 309 ddesc = usbd_get_device_descriptor(sc->sc_udev); 310 if (UGETW(ddesc->bcdDevice) < 0x4330) { 311 printf("%s: device version mismatch: 0x%x " 312 "(only >= 43.30 supported)\n", USBDEVNAME(sc->sc_dev), 313 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", 354 USBDEVNAME(sc->sc_dev)); 355 goto fail; 356 } 357 358 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 359 &sc->sc_iface); 360 if (error != 0) { 361 printf("%s: getting interface handle failed\n", 362 USBDEVNAME(sc->sc_dev)); 363 goto fail; 364 } 365 366 if ((error = zyd_open_pipes(sc)) != 0) { 367 printf("%s: could not open pipes\n", USBDEVNAME(sc->sc_dev)); 368 goto fail; 369 } 370 371 if ((error = zyd_read_eeprom(sc)) != 0) { 372 printf("%s: could not read EEPROM\n", USBDEVNAME(sc->sc_dev)); 373 goto fail; 374 } 375 376 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 377 printf("%s: could not attach RF\n", USBDEVNAME(sc->sc_dev)); 378 goto fail; 379 } 380 381 if ((error = zyd_hw_init(sc)) != 0) { 382 printf("%s: hardware initialization failed\n", 383 USBDEVNAME(sc->sc_dev)); 384 goto fail; 385 } 386 387 printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 388 USBDEVNAME(sc->sc_dev), (sc->mac_rev == ZYD_ZD1211) ? "": "B", 389 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 390 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 391 392 ic->ic_ifp = ifp; 393 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 394 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 395 ic->ic_state = IEEE80211_S_INIT; 396 397 /* set device capabilities */ 398 ic->ic_caps = 399 IEEE80211_C_MONITOR | /* monitor mode supported */ 400 IEEE80211_C_TXPMGT | /* tx power management */ 401 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 402 IEEE80211_C_WEP; /* s/w WEP */ 403 404 /* set supported .11b and .11g rates */ 405 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 406 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 407 408 /* set supported .11b and .11g channels (1 through 14) */ 409 for (i = 1; i <= 14; i++) { 410 ic->ic_channels[i].ic_freq = 411 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 412 ic->ic_channels[i].ic_flags = 413 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 414 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 415 } 416 417 if_free_sadl(ifp); 418 ieee80211_ifattach(ic); 419 ic->ic_node_alloc = zyd_node_alloc; 420 ic->ic_newassoc = zyd_newassoc; 421 422 /* override state transition machine */ 423 sc->sc_newstate = ic->ic_newstate; 424 ic->ic_newstate = zyd_newstate; 425 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 426 427 #if NBPFILTER > 0 428 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 429 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 430 &sc->sc_drvbpf); 431 432 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 433 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 434 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 435 436 sc->sc_txtap_len = sizeof sc->sc_txtapu; 437 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 438 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 439 #endif 440 441 ieee80211_announce(ic); 442 443 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 444 USBDEV(sc->sc_dev)); 445 446 fail: return error; 447 } 448 449 USB_DETACH(zyd) 450 { 451 USB_DETACH_START(zyd, sc); 452 struct ieee80211com *ic = &sc->sc_ic; 453 struct ifnet *ifp = &sc->sc_if; 454 int s; 455 456 if (!sc->attached) { 457 if_free_sadl(ifp); 458 if_detach(ifp); 459 return 0; 460 } 461 462 s = splusb(); 463 464 zyd_stop(ifp, 1); 465 usb_rem_task(sc->sc_udev, &sc->sc_task); 466 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 467 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 468 469 zyd_close_pipes(sc); 470 471 zyd_free_rx_list(sc); 472 zyd_free_tx_list(sc); 473 474 sc->attached = 0; 475 476 #if NBPFILTER > 0 477 bpfdetach(ifp); 478 #endif 479 ieee80211_ifdetach(ic); 480 if_detach(ifp); 481 482 splx(s); 483 484 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 485 USBDEV(sc->sc_dev)); 486 487 return 0; 488 } 489 490 Static int 491 zyd_open_pipes(struct zyd_softc *sc) 492 { 493 usb_endpoint_descriptor_t *edesc; 494 int isize; 495 usbd_status error; 496 497 /* interrupt in */ 498 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 499 if (edesc == NULL) 500 return EINVAL; 501 502 isize = UGETW(edesc->wMaxPacketSize); 503 if (isize == 0) /* should not happen */ 504 return EINVAL; 505 506 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 507 if (sc->ibuf == NULL) 508 return ENOMEM; 509 510 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 511 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 512 USBD_DEFAULT_INTERVAL); 513 if (error != 0) { 514 printf("%s: open rx intr pipe failed: %s\n", 515 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 516 goto fail; 517 } 518 519 /* interrupt out (not necessarily an interrupt pipe) */ 520 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 521 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 522 if (error != 0) { 523 printf("%s: open tx intr pipe failed: %s\n", 524 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 525 goto fail; 526 } 527 528 /* bulk in */ 529 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 530 &sc->zyd_ep[ZYD_ENDPT_BIN]); 531 if (error != 0) { 532 printf("%s: open rx pipe failed: %s\n", 533 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 534 goto fail; 535 } 536 537 /* bulk out */ 538 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 539 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 540 if (error != 0) { 541 printf("%s: open tx pipe failed: %s\n", 542 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 543 goto fail; 544 } 545 546 return 0; 547 548 fail: zyd_close_pipes(sc); 549 return error; 550 } 551 552 Static void 553 zyd_close_pipes(struct zyd_softc *sc) 554 { 555 int i; 556 557 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 558 if (sc->zyd_ep[i] != NULL) { 559 usbd_abort_pipe(sc->zyd_ep[i]); 560 usbd_close_pipe(sc->zyd_ep[i]); 561 sc->zyd_ep[i] = NULL; 562 } 563 } 564 if (sc->ibuf != NULL) { 565 free(sc->ibuf, M_USBDEV); 566 sc->ibuf = NULL; 567 } 568 } 569 570 Static int 571 zyd_alloc_tx_list(struct zyd_softc *sc) 572 { 573 int i, error; 574 575 sc->tx_queued = 0; 576 577 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 578 struct zyd_tx_data *data = &sc->tx_data[i]; 579 580 data->sc = sc; /* backpointer for callbacks */ 581 582 data->xfer = usbd_alloc_xfer(sc->sc_udev); 583 if (data->xfer == NULL) { 584 printf("%s: could not allocate tx xfer\n", 585 USBDEVNAME(sc->sc_dev)); 586 error = ENOMEM; 587 goto fail; 588 } 589 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 590 if (data->buf == NULL) { 591 printf("%s: could not allocate tx buffer\n", 592 USBDEVNAME(sc->sc_dev)); 593 error = ENOMEM; 594 goto fail; 595 } 596 597 /* clear Tx descriptor */ 598 bzero(data->buf, sizeof (struct zyd_tx_desc)); 599 } 600 return 0; 601 602 fail: zyd_free_tx_list(sc); 603 return error; 604 } 605 606 Static void 607 zyd_free_tx_list(struct zyd_softc *sc) 608 { 609 int i; 610 611 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 612 struct zyd_tx_data *data = &sc->tx_data[i]; 613 614 if (data->xfer != NULL) { 615 usbd_free_xfer(data->xfer); 616 data->xfer = NULL; 617 } 618 if (data->ni != NULL) { 619 ieee80211_free_node(data->ni); 620 data->ni = NULL; 621 } 622 } 623 } 624 625 Static int 626 zyd_alloc_rx_list(struct zyd_softc *sc) 627 { 628 int i, error; 629 630 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 631 struct zyd_rx_data *data = &sc->rx_data[i]; 632 633 data->sc = sc; /* backpointer for callbacks */ 634 635 data->xfer = usbd_alloc_xfer(sc->sc_udev); 636 if (data->xfer == NULL) { 637 printf("%s: could not allocate rx xfer\n", 638 USBDEVNAME(sc->sc_dev)); 639 error = ENOMEM; 640 goto fail; 641 } 642 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 643 if (data->buf == NULL) { 644 printf("%s: could not allocate rx buffer\n", 645 USBDEVNAME(sc->sc_dev)); 646 error = ENOMEM; 647 goto fail; 648 } 649 } 650 return 0; 651 652 fail: zyd_free_rx_list(sc); 653 return error; 654 } 655 656 Static void 657 zyd_free_rx_list(struct zyd_softc *sc) 658 { 659 int i; 660 661 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 662 struct zyd_rx_data *data = &sc->rx_data[i]; 663 664 if (data->xfer != NULL) { 665 usbd_free_xfer(data->xfer); 666 data->xfer = NULL; 667 } 668 } 669 } 670 671 /* ARGUSED */ 672 Static struct ieee80211_node * 673 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 674 { 675 struct zyd_node *zn; 676 677 zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT); 678 if (zn != NULL) 679 bzero(zn, sizeof (struct zyd_node)); 680 return (struct ieee80211_node *)zn; 681 } 682 683 Static int 684 zyd_media_change(struct ifnet *ifp) 685 { 686 int error; 687 688 error = ieee80211_media_change(ifp); 689 if (error != ENETRESET) 690 return error; 691 692 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 693 zyd_init(ifp); 694 695 return 0; 696 } 697 698 /* 699 * This function is called periodically (every 200ms) during scanning to 700 * switch from one channel to another. 701 */ 702 Static void 703 zyd_next_scan(void *arg) 704 { 705 struct zyd_softc *sc = arg; 706 struct ieee80211com *ic = &sc->sc_ic; 707 708 if (ic->ic_state == IEEE80211_S_SCAN) 709 ieee80211_next_scan(ic); 710 } 711 712 Static void 713 zyd_task(void *arg) 714 { 715 struct zyd_softc *sc = arg; 716 struct ieee80211com *ic = &sc->sc_ic; 717 enum ieee80211_state ostate; 718 719 ostate = ic->ic_state; 720 721 switch (sc->sc_state) { 722 case IEEE80211_S_INIT: 723 if (ostate == IEEE80211_S_RUN) { 724 /* turn link LED off */ 725 zyd_set_led(sc, ZYD_LED1, 0); 726 727 /* stop data LED from blinking */ 728 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 729 } 730 break; 731 732 case IEEE80211_S_SCAN: 733 zyd_set_chan(sc, ic->ic_curchan); 734 usb_callout(sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 735 break; 736 737 case IEEE80211_S_AUTH: 738 case IEEE80211_S_ASSOC: 739 zyd_set_chan(sc, ic->ic_curchan); 740 break; 741 742 case IEEE80211_S_RUN: 743 { 744 struct ieee80211_node *ni = ic->ic_bss; 745 746 zyd_set_chan(sc, ic->ic_curchan); 747 748 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 749 /* turn link LED on */ 750 zyd_set_led(sc, ZYD_LED1, 1); 751 752 /* make data LED blink upon Tx */ 753 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 754 755 zyd_set_bssid(sc, ni->ni_bssid); 756 } 757 758 if (ic->ic_opmode == IEEE80211_M_STA) { 759 /* fake a join to init the tx rate */ 760 zyd_newassoc(ni, 1); 761 } 762 763 /* start automatic rate control timer */ 764 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 765 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 766 767 break; 768 } 769 } 770 771 sc->sc_newstate(ic, sc->sc_state, -1); 772 } 773 774 Static int 775 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 776 { 777 struct zyd_softc *sc = ic->ic_ifp->if_softc; 778 779 usb_rem_task(sc->sc_udev, &sc->sc_task); 780 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 781 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 782 783 /* do it in a process context */ 784 sc->sc_state = nstate; 785 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 786 787 return 0; 788 } 789 790 Static int 791 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 792 void *odata, int olen, u_int flags) 793 { 794 usbd_xfer_handle xfer; 795 struct zyd_cmd cmd; 796 struct rq rq; 797 uint16_t xferflags; 798 usbd_status error; 799 int s = 0; 800 801 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 802 return ENOMEM; 803 804 cmd.code = htole16(code); 805 bcopy(idata, cmd.data, ilen); 806 807 xferflags = USBD_FORCE_SHORT_XFER; 808 if (!(flags & ZYD_CMD_FLAG_READ)) 809 xferflags |= USBD_SYNCHRONOUS; 810 else { 811 s = splusb(); 812 rq.idata = idata; 813 rq.odata = odata; 814 rq.len = olen / sizeof (struct zyd_pair); 815 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 816 } 817 818 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 819 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 820 error = usbd_transfer(xfer); 821 if (error != USBD_IN_PROGRESS && error != 0) { 822 if (flags & ZYD_CMD_FLAG_READ) 823 splx(s); 824 printf("%s: could not send command (error=%s)\n", 825 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 826 (void)usbd_free_xfer(xfer); 827 return EIO; 828 } 829 if (!(flags & ZYD_CMD_FLAG_READ)) { 830 (void)usbd_free_xfer(xfer); 831 return 0; /* write: don't wait for reply */ 832 } 833 /* wait at most one second for command reply */ 834 error = tsleep(odata, PCATCH, "zydcmd", hz); 835 if (error == EWOULDBLOCK) 836 printf("%s: zyd_read sleep timeout\n", USBDEVNAME(sc->sc_dev)); 837 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 838 splx(s); 839 840 (void)usbd_free_xfer(xfer); 841 return error; 842 } 843 844 Static int 845 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 846 { 847 struct zyd_pair tmp; 848 int error; 849 850 reg = htole16(reg); 851 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 852 ZYD_CMD_FLAG_READ); 853 if (error == 0) 854 *val = le16toh(tmp.val); 855 return error; 856 } 857 858 Static int 859 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 860 { 861 struct zyd_pair tmp[2]; 862 uint16_t regs[2]; 863 int error; 864 865 regs[0] = htole16(ZYD_REG32_HI(reg)); 866 regs[1] = htole16(ZYD_REG32_LO(reg)); 867 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 868 ZYD_CMD_FLAG_READ); 869 if (error == 0) 870 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 871 return error; 872 } 873 874 Static int 875 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 876 { 877 struct zyd_pair pair; 878 879 pair.reg = htole16(reg); 880 pair.val = htole16(val); 881 882 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 883 } 884 885 Static int 886 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 887 { 888 struct zyd_pair pair[2]; 889 890 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 891 pair[0].val = htole16(val >> 16); 892 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 893 pair[1].val = htole16(val & 0xffff); 894 895 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 896 } 897 898 Static int 899 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 900 { 901 struct zyd_rf *rf = &sc->sc_rf; 902 struct zyd_rfwrite req; 903 uint16_t cr203; 904 int i; 905 906 (void)zyd_read16(sc, ZYD_CR203, &cr203); 907 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 908 909 req.code = htole16(2); 910 req.width = htole16(rf->width); 911 for (i = 0; i < rf->width; i++) { 912 req.bit[i] = htole16(cr203); 913 if (val & (1 << (rf->width - 1 - i))) 914 req.bit[i] |= htole16(ZYD_RF_DATA); 915 } 916 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 917 } 918 919 Static void 920 zyd_lock_phy(struct zyd_softc *sc) 921 { 922 uint32_t tmp; 923 924 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 925 tmp &= ~ZYD_UNLOCK_PHY_REGS; 926 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 927 } 928 929 Static void 930 zyd_unlock_phy(struct zyd_softc *sc) 931 { 932 uint32_t tmp; 933 934 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 935 tmp |= ZYD_UNLOCK_PHY_REGS; 936 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 937 } 938 939 /* 940 * RFMD RF methods. 941 */ 942 Static int 943 zyd_rfmd_init(struct zyd_rf *rf) 944 { 945 #define N(a) (sizeof (a) / sizeof ((a)[0])) 946 struct zyd_softc *sc = rf->rf_sc; 947 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 948 static const uint32_t rfini[] = ZYD_RFMD_RF; 949 int i, error; 950 951 /* init RF-dependent PHY registers */ 952 for (i = 0; i < N(phyini); i++) { 953 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 954 if (error != 0) 955 return error; 956 } 957 958 /* init RFMD radio */ 959 for (i = 0; i < N(rfini); i++) { 960 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 961 return error; 962 } 963 return 0; 964 #undef N 965 } 966 967 Static int 968 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 969 { 970 struct zyd_softc *sc = rf->rf_sc; 971 972 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 973 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 974 975 return 0; 976 } 977 978 Static int 979 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 980 { 981 struct zyd_softc *sc = rf->rf_sc; 982 static const struct { 983 uint32_t r1, r2; 984 } rfprog[] = ZYD_RFMD_CHANTABLE; 985 986 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 987 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 988 989 return 0; 990 } 991 992 /* 993 * AL2230 RF methods. 994 */ 995 Static int 996 zyd_al2230_init(struct zyd_rf *rf) 997 { 998 #define N(a) (sizeof (a) / sizeof ((a)[0])) 999 struct zyd_softc *sc = rf->rf_sc; 1000 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1001 static const uint32_t rfini[] = ZYD_AL2230_RF; 1002 int i, error; 1003 1004 /* init RF-dependent PHY registers */ 1005 for (i = 0; i < N(phyini); i++) { 1006 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1007 if (error != 0) 1008 return error; 1009 } 1010 1011 /* init AL2230 radio */ 1012 for (i = 0; i < N(rfini); i++) { 1013 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1014 return error; 1015 } 1016 return 0; 1017 #undef N 1018 } 1019 1020 Static int 1021 zyd_al2230_init_b(struct zyd_rf *rf) 1022 { 1023 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1024 struct zyd_softc *sc = rf->rf_sc; 1025 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1026 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1027 int i, error; 1028 1029 /* init RF-dependent PHY registers */ 1030 for (i = 0; i < N(phyini); i++) { 1031 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1032 if (error != 0) 1033 return error; 1034 } 1035 1036 /* init AL2230 radio */ 1037 for (i = 0; i < N(rfini); i++) { 1038 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1039 return error; 1040 } 1041 return 0; 1042 #undef N 1043 } 1044 1045 Static int 1046 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1047 { 1048 struct zyd_softc *sc = rf->rf_sc; 1049 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1050 1051 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1052 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1053 1054 return 0; 1055 } 1056 1057 Static int 1058 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1059 { 1060 struct zyd_softc *sc = rf->rf_sc; 1061 static const struct { 1062 uint32_t r1, r2, r3; 1063 } rfprog[] = ZYD_AL2230_CHANTABLE; 1064 1065 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1066 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1067 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1068 1069 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1070 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1071 1072 return 0; 1073 } 1074 1075 /* 1076 * AL7230B RF methods. 1077 */ 1078 Static int 1079 zyd_al7230B_init(struct zyd_rf *rf) 1080 { 1081 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1082 struct zyd_softc *sc = rf->rf_sc; 1083 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1084 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1085 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1086 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1087 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1088 int i, error; 1089 1090 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1091 1092 /* init RF-dependent PHY registers, part one */ 1093 for (i = 0; i < N(phyini_1); i++) { 1094 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1095 if (error != 0) 1096 return error; 1097 } 1098 /* init AL7230B radio, part one */ 1099 for (i = 0; i < N(rfini_1); i++) { 1100 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1101 return error; 1102 } 1103 /* init RF-dependent PHY registers, part two */ 1104 for (i = 0; i < N(phyini_2); i++) { 1105 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1106 if (error != 0) 1107 return error; 1108 } 1109 /* init AL7230B radio, part two */ 1110 for (i = 0; i < N(rfini_2); i++) { 1111 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1112 return error; 1113 } 1114 /* init RF-dependent PHY registers, part three */ 1115 for (i = 0; i < N(phyini_3); i++) { 1116 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1117 if (error != 0) 1118 return error; 1119 } 1120 1121 return 0; 1122 #undef N 1123 } 1124 1125 Static int 1126 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1127 { 1128 struct zyd_softc *sc = rf->rf_sc; 1129 1130 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1131 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1132 1133 return 0; 1134 } 1135 1136 Static int 1137 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1138 { 1139 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1140 struct zyd_softc *sc = rf->rf_sc; 1141 static const struct { 1142 uint32_t r1, r2; 1143 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1144 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1145 int i, error; 1146 1147 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1148 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1149 1150 for (i = 0; i < N(rfsc); i++) { 1151 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1152 return error; 1153 } 1154 1155 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1156 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1157 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1158 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1159 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1160 1161 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1162 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1163 (void)zyd_rfwrite(sc, 0x3c9000); 1164 1165 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1166 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1167 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1168 1169 return 0; 1170 #undef N 1171 } 1172 1173 /* 1174 * AL2210 RF methods. 1175 */ 1176 Static int 1177 zyd_al2210_init(struct zyd_rf *rf) 1178 { 1179 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1180 struct zyd_softc *sc = rf->rf_sc; 1181 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1182 static const uint32_t rfini[] = ZYD_AL2210_RF; 1183 uint32_t tmp; 1184 int i, error; 1185 1186 (void)zyd_write32(sc, ZYD_CR18, 2); 1187 1188 /* init RF-dependent PHY registers */ 1189 for (i = 0; i < N(phyini); i++) { 1190 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1191 if (error != 0) 1192 return error; 1193 } 1194 /* init AL2210 radio */ 1195 for (i = 0; i < N(rfini); i++) { 1196 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1197 return error; 1198 } 1199 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1200 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1201 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1202 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1203 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1204 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1205 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1206 (void)zyd_write32(sc, ZYD_CR18, 3); 1207 1208 return 0; 1209 #undef N 1210 } 1211 1212 Static int 1213 zyd_al2210_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_al2210_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_AL2210_CHANTABLE; 1225 uint32_t tmp; 1226 1227 (void)zyd_write32(sc, ZYD_CR18, 2); 1228 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1229 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1230 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1231 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1232 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1233 1234 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1235 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1236 1237 /* actually set the channel */ 1238 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1239 1240 (void)zyd_write32(sc, ZYD_CR18, 3); 1241 1242 return 0; 1243 } 1244 1245 /* 1246 * GCT RF methods. 1247 */ 1248 Static int 1249 zyd_gct_init(struct zyd_rf *rf) 1250 { 1251 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1252 struct zyd_softc *sc = rf->rf_sc; 1253 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1254 static const uint32_t rfini[] = ZYD_GCT_RF; 1255 int i, error; 1256 1257 /* init RF-dependent PHY registers */ 1258 for (i = 0; i < N(phyini); i++) { 1259 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1260 if (error != 0) 1261 return error; 1262 } 1263 /* init cgt radio */ 1264 for (i = 0; i < N(rfini); i++) { 1265 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1266 return error; 1267 } 1268 return 0; 1269 #undef N 1270 } 1271 1272 Static int 1273 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1274 { 1275 /* vendor driver does nothing for this RF chip */ 1276 1277 return 0; 1278 } 1279 1280 Static int 1281 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1282 { 1283 struct zyd_softc *sc = rf->rf_sc; 1284 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1285 1286 (void)zyd_rfwrite(sc, 0x1c0000); 1287 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1288 (void)zyd_rfwrite(sc, 0x1c0008); 1289 1290 return 0; 1291 } 1292 1293 /* 1294 * Maxim RF methods. 1295 */ 1296 Static int 1297 zyd_maxim_init(struct zyd_rf *rf) 1298 { 1299 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1300 struct zyd_softc *sc = rf->rf_sc; 1301 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1302 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1303 uint16_t tmp; 1304 int i, error; 1305 1306 /* init RF-dependent PHY registers */ 1307 for (i = 0; i < N(phyini); i++) { 1308 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1309 if (error != 0) 1310 return error; 1311 } 1312 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1313 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1314 1315 /* init maxim radio */ 1316 for (i = 0; i < N(rfini); i++) { 1317 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1318 return error; 1319 } 1320 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1321 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1322 1323 return 0; 1324 #undef N 1325 } 1326 1327 Static int 1328 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1329 { 1330 /* vendor driver does nothing for this RF chip */ 1331 1332 return 0; 1333 } 1334 1335 Static int 1336 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1337 { 1338 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1339 struct zyd_softc *sc = rf->rf_sc; 1340 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1341 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1342 static const struct { 1343 uint32_t r1, r2; 1344 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1345 uint16_t tmp; 1346 int i, error; 1347 1348 /* 1349 * Do the same as we do when initializing it, except for the channel 1350 * values coming from the two channel tables. 1351 */ 1352 1353 /* init RF-dependent PHY registers */ 1354 for (i = 0; i < N(phyini); i++) { 1355 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1356 if (error != 0) 1357 return error; 1358 } 1359 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1360 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1361 1362 /* first two values taken from the chantables */ 1363 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1364 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1365 1366 /* init maxim radio - skipping the two first values */ 1367 for (i = 2; i < N(rfini); i++) { 1368 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1369 return error; 1370 } 1371 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1372 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1373 1374 return 0; 1375 #undef N 1376 } 1377 1378 /* 1379 * Maxim2 RF methods. 1380 */ 1381 Static int 1382 zyd_maxim2_init(struct zyd_rf *rf) 1383 { 1384 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1385 struct zyd_softc *sc = rf->rf_sc; 1386 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1387 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1388 uint16_t tmp; 1389 int i, error; 1390 1391 /* init RF-dependent PHY registers */ 1392 for (i = 0; i < N(phyini); i++) { 1393 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1394 if (error != 0) 1395 return error; 1396 } 1397 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1398 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1399 1400 /* init maxim2 radio */ 1401 for (i = 0; i < N(rfini); i++) { 1402 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1403 return error; 1404 } 1405 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1406 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1407 1408 return 0; 1409 #undef N 1410 } 1411 1412 Static int 1413 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1414 { 1415 /* vendor driver does nothing for this RF chip */ 1416 1417 return 0; 1418 } 1419 1420 Static int 1421 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1422 { 1423 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1424 struct zyd_softc *sc = rf->rf_sc; 1425 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1426 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1427 static const struct { 1428 uint32_t r1, r2; 1429 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1430 uint16_t tmp; 1431 int i, error; 1432 1433 /* 1434 * Do the same as we do when initializing it, except for the channel 1435 * values coming from the two channel tables. 1436 */ 1437 1438 /* init RF-dependent PHY registers */ 1439 for (i = 0; i < N(phyini); i++) { 1440 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1441 if (error != 0) 1442 return error; 1443 } 1444 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1445 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1446 1447 /* first two values taken from the chantables */ 1448 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1449 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1450 1451 /* init maxim2 radio - skipping the two first values */ 1452 for (i = 2; i < N(rfini); i++) { 1453 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1454 return error; 1455 } 1456 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1457 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1458 1459 return 0; 1460 #undef N 1461 } 1462 1463 Static int 1464 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1465 { 1466 struct zyd_rf *rf = &sc->sc_rf; 1467 1468 rf->rf_sc = sc; 1469 1470 switch (type) { 1471 case ZYD_RF_RFMD: 1472 rf->init = zyd_rfmd_init; 1473 rf->switch_radio = zyd_rfmd_switch_radio; 1474 rf->set_channel = zyd_rfmd_set_channel; 1475 rf->width = 24; /* 24-bit RF values */ 1476 break; 1477 case ZYD_RF_AL2230: 1478 if (sc->mac_rev == ZYD_ZD1211B) 1479 rf->init = zyd_al2230_init_b; 1480 else 1481 rf->init = zyd_al2230_init; 1482 rf->switch_radio = zyd_al2230_switch_radio; 1483 rf->set_channel = zyd_al2230_set_channel; 1484 rf->width = 24; /* 24-bit RF values */ 1485 break; 1486 case ZYD_RF_AL7230B: 1487 rf->init = zyd_al7230B_init; 1488 rf->switch_radio = zyd_al7230B_switch_radio; 1489 rf->set_channel = zyd_al7230B_set_channel; 1490 rf->width = 24; /* 24-bit RF values */ 1491 break; 1492 case ZYD_RF_AL2210: 1493 rf->init = zyd_al2210_init; 1494 rf->switch_radio = zyd_al2210_switch_radio; 1495 rf->set_channel = zyd_al2210_set_channel; 1496 rf->width = 24; /* 24-bit RF values */ 1497 break; 1498 case ZYD_RF_GCT: 1499 rf->init = zyd_gct_init; 1500 rf->switch_radio = zyd_gct_switch_radio; 1501 rf->set_channel = zyd_gct_set_channel; 1502 rf->width = 21; /* 21-bit RF values */ 1503 break; 1504 case ZYD_RF_MAXIM_NEW: 1505 rf->init = zyd_maxim_init; 1506 rf->switch_radio = zyd_maxim_switch_radio; 1507 rf->set_channel = zyd_maxim_set_channel; 1508 rf->width = 18; /* 18-bit RF values */ 1509 break; 1510 case ZYD_RF_MAXIM_NEW2: 1511 rf->init = zyd_maxim2_init; 1512 rf->switch_radio = zyd_maxim2_switch_radio; 1513 rf->set_channel = zyd_maxim2_set_channel; 1514 rf->width = 18; /* 18-bit RF values */ 1515 break; 1516 default: 1517 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1518 USBDEVNAME(sc->sc_dev), zyd_rf_name(type)); 1519 return EINVAL; 1520 } 1521 return 0; 1522 } 1523 1524 Static const char * 1525 zyd_rf_name(uint8_t type) 1526 { 1527 static const char * const zyd_rfs[] = { 1528 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1529 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1530 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1531 "PHILIPS" 1532 }; 1533 1534 return zyd_rfs[(type > 15) ? 0 : type]; 1535 } 1536 1537 Static int 1538 zyd_hw_init(struct zyd_softc *sc) 1539 { 1540 struct zyd_rf *rf = &sc->sc_rf; 1541 const struct zyd_phy_pair *phyp; 1542 int error; 1543 1544 /* specify that the plug and play is finished */ 1545 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1546 1547 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1548 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1549 1550 /* retrieve firmware revision number */ 1551 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1552 1553 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1554 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1555 1556 /* disable interrupts */ 1557 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1558 1559 /* PHY init */ 1560 zyd_lock_phy(sc); 1561 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1562 for (; phyp->reg != 0; phyp++) { 1563 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1564 goto fail; 1565 } 1566 zyd_unlock_phy(sc); 1567 1568 /* HMAC init */ 1569 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1570 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1571 1572 if (sc->mac_rev == ZYD_ZD1211) { 1573 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1574 } else { 1575 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1576 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1577 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1578 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1579 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1580 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1581 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1582 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1583 } 1584 1585 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1586 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1587 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1588 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1589 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1590 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1591 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1592 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1593 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1594 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1595 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1596 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1597 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1598 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1599 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1600 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1601 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1602 1603 /* RF chip init */ 1604 zyd_lock_phy(sc); 1605 error = (*rf->init)(rf); 1606 zyd_unlock_phy(sc); 1607 if (error != 0) { 1608 printf("%s: radio initialization failed\n", 1609 USBDEVNAME(sc->sc_dev)); 1610 goto fail; 1611 } 1612 1613 /* init beacon interval to 100ms */ 1614 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1615 goto fail; 1616 1617 fail: return error; 1618 } 1619 1620 Static int 1621 zyd_read_eeprom(struct zyd_softc *sc) 1622 { 1623 struct ieee80211com *ic = &sc->sc_ic; 1624 uint32_t tmp; 1625 uint16_t val; 1626 int i; 1627 1628 /* read MAC address */ 1629 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1630 ic->ic_myaddr[0] = tmp & 0xff; 1631 ic->ic_myaddr[1] = tmp >> 8; 1632 ic->ic_myaddr[2] = tmp >> 16; 1633 ic->ic_myaddr[3] = tmp >> 24; 1634 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1635 ic->ic_myaddr[4] = tmp & 0xff; 1636 ic->ic_myaddr[5] = tmp >> 8; 1637 1638 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1639 sc->rf_rev = tmp & 0x0f; 1640 sc->pa_rev = (tmp >> 16) & 0x0f; 1641 1642 /* read regulatory domain (currently unused) */ 1643 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1644 sc->regdomain = tmp >> 16; 1645 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1646 1647 /* read Tx power calibration tables */ 1648 for (i = 0; i < 7; i++) { 1649 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1650 sc->pwr_cal[i * 2] = val >> 8; 1651 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1652 1653 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1654 sc->pwr_int[i * 2] = val >> 8; 1655 sc->pwr_int[i * 2 + 1] = val & 0xff; 1656 1657 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1658 sc->ofdm36_cal[i * 2] = val >> 8; 1659 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1660 1661 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1662 sc->ofdm48_cal[i * 2] = val >> 8; 1663 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1664 1665 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1666 sc->ofdm54_cal[i * 2] = val >> 8; 1667 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1668 } 1669 return 0; 1670 } 1671 1672 Static int 1673 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1674 { 1675 uint32_t tmp; 1676 1677 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1678 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1679 1680 tmp = addr[5] << 8 | addr[4]; 1681 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1682 1683 return 0; 1684 } 1685 1686 Static int 1687 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1688 { 1689 uint32_t tmp; 1690 1691 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1692 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1693 1694 tmp = addr[5] << 8 | addr[4]; 1695 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1696 1697 return 0; 1698 } 1699 1700 Static int 1701 zyd_switch_radio(struct zyd_softc *sc, int on) 1702 { 1703 struct zyd_rf *rf = &sc->sc_rf; 1704 int error; 1705 1706 zyd_lock_phy(sc); 1707 error = (*rf->switch_radio)(rf, on); 1708 zyd_unlock_phy(sc); 1709 1710 return error; 1711 } 1712 1713 Static void 1714 zyd_set_led(struct zyd_softc *sc, int which, int on) 1715 { 1716 uint32_t tmp; 1717 1718 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1719 tmp &= ~which; 1720 if (on) 1721 tmp |= which; 1722 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1723 } 1724 1725 Static int 1726 zyd_set_rxfilter(struct zyd_softc *sc) 1727 { 1728 uint32_t rxfilter; 1729 1730 switch (sc->sc_ic.ic_opmode) { 1731 case IEEE80211_M_STA: 1732 rxfilter = ZYD_FILTER_BSS; 1733 break; 1734 case IEEE80211_M_IBSS: 1735 case IEEE80211_M_HOSTAP: 1736 rxfilter = ZYD_FILTER_HOSTAP; 1737 break; 1738 case IEEE80211_M_MONITOR: 1739 rxfilter = ZYD_FILTER_MONITOR; 1740 break; 1741 default: 1742 /* should not get there */ 1743 return EINVAL; 1744 } 1745 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1746 } 1747 1748 Static void 1749 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1750 { 1751 struct ieee80211com *ic = &sc->sc_ic; 1752 struct zyd_rf *rf = &sc->sc_rf; 1753 u_int chan; 1754 1755 chan = ieee80211_chan2ieee(ic, c); 1756 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1757 return; 1758 1759 zyd_lock_phy(sc); 1760 1761 (*rf->set_channel)(rf, chan); 1762 1763 /* update Tx power */ 1764 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1765 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1766 1767 if (sc->mac_rev == ZYD_ZD1211B) { 1768 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1769 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1770 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1771 1772 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1773 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1774 } 1775 1776 zyd_unlock_phy(sc); 1777 } 1778 1779 Static int 1780 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1781 { 1782 /* XXX this is probably broken.. */ 1783 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1784 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1785 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1786 1787 return 0; 1788 } 1789 1790 Static uint8_t 1791 zyd_plcp_signal(int rate) 1792 { 1793 switch (rate) { 1794 /* CCK rates (returned values are device-dependent) */ 1795 case 2: return 0x0; 1796 case 4: return 0x1; 1797 case 11: return 0x2; 1798 case 22: return 0x3; 1799 1800 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1801 case 12: return 0xb; 1802 case 18: return 0xf; 1803 case 24: return 0xa; 1804 case 36: return 0xe; 1805 case 48: return 0x9; 1806 case 72: return 0xd; 1807 case 96: return 0x8; 1808 case 108: return 0xc; 1809 1810 /* unsupported rates (should not get there) */ 1811 default: return 0xff; 1812 } 1813 } 1814 1815 Static void 1816 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1817 { 1818 struct zyd_softc *sc = (struct zyd_softc *)priv; 1819 struct zyd_cmd *cmd; 1820 uint32_t datalen; 1821 1822 if (status != USBD_NORMAL_COMPLETION) { 1823 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1824 return; 1825 1826 if (status == USBD_STALLED) { 1827 usbd_clear_endpoint_stall_async( 1828 sc->zyd_ep[ZYD_ENDPT_IIN]); 1829 } 1830 return; 1831 } 1832 1833 cmd = (struct zyd_cmd *)sc->ibuf; 1834 1835 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1836 struct zyd_notif_retry *retry = 1837 (struct zyd_notif_retry *)cmd->data; 1838 struct ieee80211com *ic = &sc->sc_ic; 1839 struct ifnet *ifp = &sc->sc_if; 1840 struct ieee80211_node *ni; 1841 1842 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1843 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1844 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1845 1846 /* 1847 * Find the node to which the packet was sent and update its 1848 * retry statistics. In BSS mode, this node is the AP we're 1849 * associated to so no lookup is actually needed. 1850 */ 1851 if (ic->ic_opmode != IEEE80211_M_STA) { 1852 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1853 if (ni == NULL) 1854 return; /* just ignore */ 1855 } else 1856 ni = ic->ic_bss; 1857 1858 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1859 1860 if (le16toh(retry->count) & 0x100) 1861 ifp->if_oerrors++; /* too many retries */ 1862 1863 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1864 struct rq *rqp; 1865 1866 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1867 return; /* HMAC interrupt */ 1868 1869 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1870 datalen -= sizeof(cmd->code); 1871 datalen -= 2; /* XXX: padding? */ 1872 1873 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1874 int i; 1875 1876 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1877 continue; 1878 for (i = 0; i < rqp->len; i++) { 1879 if (*(((const uint16_t *)rqp->idata) + i) != 1880 (((struct zyd_pair *)cmd->data) + i)->reg) 1881 break; 1882 } 1883 if (i != rqp->len) 1884 continue; 1885 1886 /* copy answer into caller-supplied buffer */ 1887 bcopy(cmd->data, rqp->odata, 1888 sizeof(struct zyd_pair) * rqp->len); 1889 wakeup(rqp->odata); /* wakeup caller */ 1890 1891 return; 1892 } 1893 return; /* unexpected IORD notification */ 1894 } else { 1895 printf("%s: unknown notification %x\n", USBDEVNAME(sc->sc_dev), 1896 le16toh(cmd->code)); 1897 } 1898 } 1899 1900 Static void 1901 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1902 { 1903 struct ieee80211com *ic = &sc->sc_ic; 1904 struct ifnet *ifp = &sc->sc_if; 1905 struct ieee80211_node *ni; 1906 struct ieee80211_frame *wh; 1907 const struct zyd_plcphdr *plcp; 1908 const struct zyd_rx_stat *stat; 1909 struct mbuf *m; 1910 int rlen, s; 1911 1912 if (len < ZYD_MIN_FRAGSZ) { 1913 printf("%s: frame too short (length=%d)\n", 1914 USBDEVNAME(sc->sc_dev), len); 1915 ifp->if_ierrors++; 1916 return; 1917 } 1918 1919 plcp = (const struct zyd_plcphdr *)buf; 1920 stat = (const struct zyd_rx_stat *) 1921 (buf + len - sizeof (struct zyd_rx_stat)); 1922 1923 if (stat->flags & ZYD_RX_ERROR) { 1924 DPRINTF(("%s: RX status indicated error (%x)\n", 1925 USBDEVNAME(sc->sc_dev), stat->flags)); 1926 ifp->if_ierrors++; 1927 return; 1928 } 1929 1930 /* compute actual frame length */ 1931 rlen = len - sizeof (struct zyd_plcphdr) - 1932 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1933 1934 /* allocate a mbuf to store the frame */ 1935 MGETHDR(m, M_DONTWAIT, MT_DATA); 1936 if (m == NULL) { 1937 printf("%s: could not allocate rx mbuf\n", 1938 USBDEVNAME(sc->sc_dev)); 1939 ifp->if_ierrors++; 1940 return; 1941 } 1942 if (rlen > MHLEN) { 1943 MCLGET(m, M_DONTWAIT); 1944 if (!(m->m_flags & M_EXT)) { 1945 printf("%s: could not allocate rx mbuf cluster\n", 1946 USBDEVNAME(sc->sc_dev)); 1947 m_freem(m); 1948 ifp->if_ierrors++; 1949 return; 1950 } 1951 } 1952 m->m_pkthdr.rcvif = ifp; 1953 m->m_pkthdr.len = m->m_len = rlen; 1954 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1955 1956 s = splnet(); 1957 1958 #if NBPFILTER > 0 1959 if (sc->sc_drvbpf != NULL) { 1960 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1961 static const uint8_t rates[] = { 1962 /* reverse function of zyd_plcp_signal() */ 1963 2, 4, 11, 22, 0, 0, 0, 0, 1964 96, 48, 24, 12, 108, 72, 36, 18 1965 }; 1966 1967 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1968 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1969 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1970 tap->wr_rssi = stat->rssi; 1971 tap->wr_rate = rates[plcp->signal & 0xf]; 1972 1973 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1974 } 1975 #endif 1976 1977 wh = mtod(m, struct ieee80211_frame *); 1978 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1979 ieee80211_input(ic, m, ni, stat->rssi, 0); 1980 1981 /* node is no longer needed */ 1982 ieee80211_free_node(ni); 1983 1984 splx(s); 1985 } 1986 1987 Static void 1988 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1989 { 1990 struct zyd_rx_data *data = priv; 1991 struct zyd_softc *sc = data->sc; 1992 struct ifnet *ifp = &sc->sc_if; 1993 const struct zyd_rx_desc *desc; 1994 int len; 1995 1996 if (status != USBD_NORMAL_COMPLETION) { 1997 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1998 return; 1999 2000 if (status == USBD_STALLED) 2001 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2002 2003 goto skip; 2004 } 2005 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2006 2007 if (len < ZYD_MIN_RXBUFSZ) { 2008 printf("%s: xfer too short (length=%d)\n", 2009 USBDEVNAME(sc->sc_dev), len); 2010 ifp->if_ierrors++; 2011 goto skip; 2012 } 2013 2014 desc = (const struct zyd_rx_desc *) 2015 (data->buf + len - sizeof (struct zyd_rx_desc)); 2016 2017 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2018 const uint8_t *p = data->buf, *end = p + len; 2019 int i; 2020 2021 DPRINTFN(3, ("received multi-frame transfer\n")); 2022 2023 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2024 const uint16_t len16 = UGETW(desc->len[i]); 2025 2026 if (len16 == 0 || p + len16 > end) 2027 break; 2028 2029 zyd_rx_data(sc, p, len16); 2030 /* next frame is aligned on a 32-bit boundary */ 2031 p += (len16 + 3) & ~3; 2032 } 2033 } else { 2034 DPRINTFN(3, ("received single-frame transfer\n")); 2035 2036 zyd_rx_data(sc, data->buf, len); 2037 } 2038 2039 skip: /* setup a new transfer */ 2040 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2041 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2042 USBD_NO_TIMEOUT, zyd_rxeof); 2043 (void)usbd_transfer(xfer); 2044 } 2045 2046 Static int 2047 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2048 { 2049 struct ieee80211com *ic = &sc->sc_ic; 2050 struct ifnet *ifp = &sc->sc_if; 2051 struct zyd_tx_desc *desc; 2052 struct zyd_tx_data *data; 2053 struct ieee80211_frame *wh; 2054 int xferlen, totlen, rate; 2055 uint16_t pktlen; 2056 usbd_status error; 2057 2058 data = &sc->tx_data[0]; 2059 desc = (struct zyd_tx_desc *)data->buf; 2060 2061 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2062 2063 data->ni = ni; 2064 2065 wh = mtod(m0, struct ieee80211_frame *); 2066 2067 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2068 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2069 2070 /* fill Tx descriptor */ 2071 desc->len = htole16(totlen); 2072 2073 desc->flags = ZYD_TX_FLAG_BACKOFF; 2074 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2075 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2076 if (totlen > ic->ic_rtsthreshold) { 2077 desc->flags |= ZYD_TX_FLAG_RTS; 2078 } else if (ZYD_RATE_IS_OFDM(rate) && 2079 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2080 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2081 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2082 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2083 desc->flags |= ZYD_TX_FLAG_RTS; 2084 } 2085 } else 2086 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2087 2088 if ((wh->i_fc[0] & 2089 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2090 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2091 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2092 2093 desc->phy = zyd_plcp_signal(rate); 2094 if (ZYD_RATE_IS_OFDM(rate)) { 2095 desc->phy |= ZYD_TX_PHY_OFDM; 2096 if (ic->ic_curmode == IEEE80211_MODE_11A) 2097 desc->phy |= ZYD_TX_PHY_5GHZ; 2098 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2099 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2100 2101 /* actual transmit length (XXX why +10?) */ 2102 pktlen = sizeof (struct zyd_tx_desc) + 10; 2103 if (sc->mac_rev == ZYD_ZD1211) 2104 pktlen += totlen; 2105 desc->pktlen = htole16(pktlen); 2106 2107 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2108 desc->plcp_service = 0; 2109 if (rate == 22) { 2110 const int remainder = (16 * totlen) % 22; 2111 if (remainder != 0 && remainder < 7) 2112 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2113 } 2114 2115 #if NBPFILTER > 0 2116 if (sc->sc_drvbpf != NULL) { 2117 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2118 2119 tap->wt_flags = 0; 2120 tap->wt_rate = rate; 2121 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2122 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2123 2124 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2125 } 2126 #endif 2127 2128 m_copydata(m0, 0, m0->m_pkthdr.len, 2129 data->buf + sizeof (struct zyd_tx_desc)); 2130 2131 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2132 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2133 2134 m_freem(m0); /* mbuf no longer needed */ 2135 2136 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2137 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2138 ZYD_TX_TIMEOUT, zyd_txeof); 2139 error = usbd_transfer(data->xfer); 2140 if (error != USBD_IN_PROGRESS && error != 0) { 2141 ifp->if_oerrors++; 2142 return EIO; 2143 } 2144 sc->tx_queued++; 2145 2146 return 0; 2147 } 2148 2149 Static void 2150 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2151 { 2152 struct zyd_tx_data *data = priv; 2153 struct zyd_softc *sc = data->sc; 2154 struct ifnet *ifp = &sc->sc_if; 2155 int s; 2156 2157 if (status != USBD_NORMAL_COMPLETION) { 2158 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2159 return; 2160 2161 printf("%s: could not transmit buffer: %s\n", 2162 USBDEVNAME(sc->sc_dev), usbd_errstr(status)); 2163 2164 if (status == USBD_STALLED) { 2165 usbd_clear_endpoint_stall_async( 2166 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2167 } 2168 ifp->if_oerrors++; 2169 return; 2170 } 2171 2172 s = splnet(); 2173 2174 /* update rate control statistics */ 2175 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2176 2177 ieee80211_free_node(data->ni); 2178 data->ni = NULL; 2179 2180 sc->tx_queued--; 2181 ifp->if_opackets++; 2182 2183 sc->tx_timer = 0; 2184 ifp->if_flags &= ~IFF_OACTIVE; 2185 zyd_start(ifp); 2186 2187 splx(s); 2188 } 2189 2190 Static int 2191 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2192 { 2193 struct ieee80211com *ic = &sc->sc_ic; 2194 struct ifnet *ifp = &sc->sc_if; 2195 struct zyd_tx_desc *desc; 2196 struct zyd_tx_data *data; 2197 struct ieee80211_frame *wh; 2198 struct ieee80211_key *k; 2199 int xferlen, totlen, rate; 2200 uint16_t pktlen; 2201 usbd_status error; 2202 2203 wh = mtod(m0, struct ieee80211_frame *); 2204 2205 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2206 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2207 else 2208 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2209 rate &= IEEE80211_RATE_VAL; 2210 2211 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2212 k = ieee80211_crypto_encap(ic, ni, m0); 2213 if (k == NULL) { 2214 m_freem(m0); 2215 return ENOBUFS; 2216 } 2217 2218 /* packet header may have moved, reset our local pointer */ 2219 wh = mtod(m0, struct ieee80211_frame *); 2220 } 2221 2222 data = &sc->tx_data[0]; 2223 desc = (struct zyd_tx_desc *)data->buf; 2224 2225 data->ni = ni; 2226 2227 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2228 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2229 2230 /* fill Tx descriptor */ 2231 desc->len = htole16(totlen); 2232 2233 desc->flags = ZYD_TX_FLAG_BACKOFF; 2234 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2235 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2236 if (totlen > ic->ic_rtsthreshold) { 2237 desc->flags |= ZYD_TX_FLAG_RTS; 2238 } else if (ZYD_RATE_IS_OFDM(rate) && 2239 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2240 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2241 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2242 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2243 desc->flags |= ZYD_TX_FLAG_RTS; 2244 } 2245 } else 2246 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2247 2248 if ((wh->i_fc[0] & 2249 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2250 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2251 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2252 2253 desc->phy = zyd_plcp_signal(rate); 2254 if (ZYD_RATE_IS_OFDM(rate)) { 2255 desc->phy |= ZYD_TX_PHY_OFDM; 2256 if (ic->ic_curmode == IEEE80211_MODE_11A) 2257 desc->phy |= ZYD_TX_PHY_5GHZ; 2258 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2259 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2260 2261 /* actual transmit length (XXX why +10?) */ 2262 pktlen = sizeof (struct zyd_tx_desc) + 10; 2263 if (sc->mac_rev == ZYD_ZD1211) 2264 pktlen += totlen; 2265 desc->pktlen = htole16(pktlen); 2266 2267 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2268 desc->plcp_service = 0; 2269 if (rate == 22) { 2270 const int remainder = (16 * totlen) % 22; 2271 if (remainder != 0 && remainder < 7) 2272 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2273 } 2274 2275 #if NBPFILTER > 0 2276 if (sc->sc_drvbpf != NULL) { 2277 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2278 2279 tap->wt_flags = 0; 2280 tap->wt_rate = rate; 2281 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2282 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2283 2284 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2285 } 2286 #endif 2287 2288 m_copydata(m0, 0, m0->m_pkthdr.len, 2289 data->buf + sizeof (struct zyd_tx_desc)); 2290 2291 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2292 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2293 2294 m_freem(m0); /* mbuf no longer needed */ 2295 2296 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2297 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2298 ZYD_TX_TIMEOUT, zyd_txeof); 2299 error = usbd_transfer(data->xfer); 2300 if (error != USBD_IN_PROGRESS && error != 0) { 2301 ifp->if_oerrors++; 2302 return EIO; 2303 } 2304 sc->tx_queued++; 2305 2306 return 0; 2307 } 2308 2309 Static void 2310 zyd_start(struct ifnet *ifp) 2311 { 2312 struct zyd_softc *sc = ifp->if_softc; 2313 struct ieee80211com *ic = &sc->sc_ic; 2314 struct ether_header *eh; 2315 struct ieee80211_node *ni; 2316 struct mbuf *m0; 2317 2318 for (;;) { 2319 IF_POLL(&ic->ic_mgtq, m0); 2320 if (m0 != NULL) { 2321 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2322 ifp->if_flags |= IFF_OACTIVE; 2323 break; 2324 } 2325 IF_DEQUEUE(&ic->ic_mgtq, m0); 2326 2327 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2328 m0->m_pkthdr.rcvif = NULL; 2329 #if NBPFILTER > 0 2330 if (ic->ic_rawbpf != NULL) 2331 bpf_mtap(ic->ic_rawbpf, m0); 2332 #endif 2333 if (zyd_tx_mgt(sc, m0, ni) != 0) 2334 break; 2335 } else { 2336 if (ic->ic_state != IEEE80211_S_RUN) 2337 break; 2338 IFQ_POLL(&ifp->if_snd, m0); 2339 if (m0 == NULL) 2340 break; 2341 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2342 ifp->if_flags |= IFF_OACTIVE; 2343 break; 2344 } 2345 IFQ_DEQUEUE(&ifp->if_snd, m0); 2346 2347 if (m0->m_len < sizeof(struct ether_header) && 2348 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2349 continue; 2350 2351 eh = mtod(m0, struct ether_header *); 2352 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2353 if (ni == NULL) { 2354 m_freem(m0); 2355 continue; 2356 } 2357 #if NBPFILTER > 0 2358 if (ifp->if_bpf != NULL) 2359 bpf_mtap(ifp->if_bpf, m0); 2360 #endif 2361 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2362 ieee80211_free_node(ni); 2363 ifp->if_oerrors++; 2364 continue; 2365 } 2366 #if NBPFILTER > 0 2367 if (ic->ic_rawbpf != NULL) 2368 bpf_mtap(ic->ic_rawbpf, m0); 2369 #endif 2370 if (zyd_tx_data(sc, m0, ni) != 0) { 2371 ieee80211_free_node(ni); 2372 ifp->if_oerrors++; 2373 break; 2374 } 2375 } 2376 2377 sc->tx_timer = 5; 2378 ifp->if_timer = 1; 2379 } 2380 } 2381 2382 Static void 2383 zyd_watchdog(struct ifnet *ifp) 2384 { 2385 struct zyd_softc *sc = ifp->if_softc; 2386 struct ieee80211com *ic = &sc->sc_ic; 2387 2388 ifp->if_timer = 0; 2389 2390 if (sc->tx_timer > 0) { 2391 if (--sc->tx_timer == 0) { 2392 printf("%s: device timeout\n", USBDEVNAME(sc->sc_dev)); 2393 /* zyd_init(ifp); XXX needs a process context ? */ 2394 ifp->if_oerrors++; 2395 return; 2396 } 2397 ifp->if_timer = 1; 2398 } 2399 2400 ieee80211_watchdog(ic); 2401 } 2402 2403 Static int 2404 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2405 { 2406 struct zyd_softc *sc = ifp->if_softc; 2407 struct ieee80211com *ic = &sc->sc_ic; 2408 int s, error = 0; 2409 2410 s = splnet(); 2411 2412 switch (cmd) { 2413 case SIOCSIFFLAGS: 2414 if (ifp->if_flags & IFF_UP) { 2415 if (!(ifp->if_flags & IFF_RUNNING)) 2416 zyd_init(ifp); 2417 } else { 2418 if (ifp->if_flags & IFF_RUNNING) 2419 zyd_stop(ifp, 1); 2420 } 2421 break; 2422 2423 default: 2424 if (!sc->attached) 2425 error = ENOTTY; 2426 else 2427 error = ieee80211_ioctl(ic, cmd, data); 2428 } 2429 2430 if (error == ENETRESET) { 2431 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2432 (IFF_RUNNING | IFF_UP)) 2433 zyd_init(ifp); 2434 error = 0; 2435 } 2436 2437 splx(s); 2438 2439 return error; 2440 } 2441 2442 Static int 2443 zyd_init(struct ifnet *ifp) 2444 { 2445 struct zyd_softc *sc = ifp->if_softc; 2446 struct ieee80211com *ic = &sc->sc_ic; 2447 int i, error; 2448 2449 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2450 if ((error = zyd_attachhook(sc)) != 0) 2451 return error; 2452 2453 zyd_stop(ifp, 0); 2454 2455 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 2456 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2457 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2458 if (error != 0) 2459 return error; 2460 2461 /* we'll do software WEP decryption for now */ 2462 DPRINTF(("setting encryption type\n")); 2463 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2464 if (error != 0) 2465 return error; 2466 2467 /* promiscuous mode */ 2468 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2469 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2470 2471 (void)zyd_set_rxfilter(sc); 2472 2473 /* switch radio transmitter ON */ 2474 (void)zyd_switch_radio(sc, 1); 2475 2476 /* set basic rates */ 2477 if (ic->ic_curmode == IEEE80211_MODE_11B) 2478 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2479 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2480 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2481 else /* assumes 802.11b/g */ 2482 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2483 2484 /* set mandatory rates */ 2485 if (ic->ic_curmode == IEEE80211_MODE_11B) 2486 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2487 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2488 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2489 else /* assumes 802.11b/g */ 2490 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2491 2492 /* set default BSS channel */ 2493 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2494 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2495 2496 /* enable interrupts */ 2497 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2498 2499 /* 2500 * Allocate Tx and Rx xfer queues. 2501 */ 2502 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2503 printf("%s: could not allocate Tx list\n", 2504 USBDEVNAME(sc->sc_dev)); 2505 goto fail; 2506 } 2507 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2508 printf("%s: could not allocate Rx list\n", 2509 USBDEVNAME(sc->sc_dev)); 2510 goto fail; 2511 } 2512 2513 /* 2514 * Start up the receive pipe. 2515 */ 2516 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2517 struct zyd_rx_data *data = &sc->rx_data[i]; 2518 2519 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2520 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2521 USBD_NO_TIMEOUT, zyd_rxeof); 2522 error = usbd_transfer(data->xfer); 2523 if (error != USBD_IN_PROGRESS && error != 0) { 2524 printf("%s: could not queue Rx transfer\n", 2525 USBDEVNAME(sc->sc_dev)); 2526 goto fail; 2527 } 2528 } 2529 2530 ifp->if_flags &= ~IFF_OACTIVE; 2531 ifp->if_flags |= IFF_RUNNING; 2532 2533 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2534 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2535 else 2536 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2537 2538 return 0; 2539 2540 fail: zyd_stop(ifp, 1); 2541 return error; 2542 } 2543 2544 Static void 2545 zyd_stop(struct ifnet *ifp, int disable) 2546 { 2547 struct zyd_softc *sc = ifp->if_softc; 2548 struct ieee80211com *ic = &sc->sc_ic; 2549 2550 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2551 2552 sc->tx_timer = 0; 2553 ifp->if_timer = 0; 2554 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2555 2556 /* switch radio transmitter OFF */ 2557 (void)zyd_switch_radio(sc, 0); 2558 2559 /* disable Rx */ 2560 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2561 2562 /* disable interrupts */ 2563 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2564 2565 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2566 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2567 2568 zyd_free_rx_list(sc); 2569 zyd_free_tx_list(sc); 2570 } 2571 2572 Static int 2573 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2574 { 2575 usb_device_request_t req; 2576 uint16_t addr; 2577 uint8_t stat; 2578 2579 DPRINTF(("firmware size=%zu\n", size)); 2580 2581 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2582 req.bRequest = ZYD_DOWNLOADREQ; 2583 USETW(req.wIndex, 0); 2584 2585 addr = ZYD_FIRMWARE_START_ADDR; 2586 while (size > 0) { 2587 #if 0 2588 const int mlen = min(size, 4096); 2589 #else 2590 /* 2591 * XXXX: When the transfer size is 4096 bytes, it is not 2592 * likely to be able to transfer it. 2593 * The cause is port or machine or chip? 2594 */ 2595 const int mlen = min(size, 64); 2596 #endif 2597 2598 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2599 addr)); 2600 2601 USETW(req.wValue, addr); 2602 USETW(req.wLength, mlen); 2603 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2604 return EIO; 2605 2606 addr += mlen / 2; 2607 fw += mlen; 2608 size -= mlen; 2609 } 2610 2611 /* check whether the upload succeeded */ 2612 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2613 req.bRequest = ZYD_DOWNLOADSTS; 2614 USETW(req.wValue, 0); 2615 USETW(req.wIndex, 0); 2616 USETW(req.wLength, sizeof stat); 2617 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2618 return EIO; 2619 2620 return (stat & 0x80) ? EIO : 0; 2621 } 2622 2623 Static void 2624 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2625 { 2626 struct zyd_softc *sc = arg; 2627 struct zyd_node *zn = (struct zyd_node *)ni; 2628 2629 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2630 } 2631 2632 Static void 2633 zyd_amrr_timeout(void *arg) 2634 { 2635 struct zyd_softc *sc = arg; 2636 struct ieee80211com *ic = &sc->sc_ic; 2637 int s; 2638 2639 s = splnet(); 2640 if (ic->ic_opmode == IEEE80211_M_STA) 2641 zyd_iter_func(sc, ic->ic_bss); 2642 else 2643 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2644 splx(s); 2645 2646 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2647 } 2648 2649 Static void 2650 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2651 { 2652 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2653 int i; 2654 2655 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2656 2657 /* set rate to some reasonable initial value */ 2658 for (i = ni->ni_rates.rs_nrates - 1; 2659 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2660 i--); 2661 ni->ni_txrate = i; 2662 } 2663 2664 int 2665 zyd_activate(device_ptr_t self, enum devact act) 2666 { 2667 struct zyd_softc *sc = (struct zyd_softc *)self; 2668 2669 switch (act) { 2670 case DVACT_ACTIVATE: 2671 break; 2672 2673 case DVACT_DEACTIVATE: 2674 if_deactivate(&sc->sc_if); 2675 break; 2676 } 2677 return 0; 2678 } 2679
Indexes created Sun Oct 12 20:09:57 GMT 2025