if_zyd.c revision 1.1
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.1 2007/06/09 11:20:55 kiyohara 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 1.1 2007/06/09 11:20:55 kiyohara 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 USB_ATTACH_SUCCESS_RETURN; 332 } 333 334 Static int 335 zyd_complete_attach(struct zyd_softc *sc) 336 { 337 struct ieee80211com *ic = &sc->sc_ic; 338 struct ifnet *ifp = &sc->sc_if; 339 usbd_status error; 340 int i; 341 342 usb_init_task(&sc->sc_task, zyd_task, sc); 343 usb_callout_init(sc->sc_scan_ch); 344 345 sc->amrr.amrr_min_success_threshold = 1; 346 sc->amrr.amrr_max_success_threshold = 10; 347 usb_callout_init(sc->sc_amrr_ch); 348 349 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 350 if (error != 0) { 351 printf("%s: setting config no failed\n", 352 USBDEVNAME(sc->sc_dev)); 353 goto fail; 354 } 355 356 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 357 &sc->sc_iface); 358 if (error != 0) { 359 printf("%s: getting interface handle failed\n", 360 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", 381 USBDEVNAME(sc->sc_dev)); 382 goto fail; 383 } 384 385 printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 386 USBDEVNAME(sc->sc_dev), (sc->mac_rev == ZYD_ZD1211) ? "": "B", 387 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 388 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 389 390 ic->ic_ifp = ifp; 391 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 392 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 393 ic->ic_state = IEEE80211_S_INIT; 394 395 /* set device capabilities */ 396 ic->ic_caps = 397 IEEE80211_C_MONITOR | /* monitor mode supported */ 398 IEEE80211_C_TXPMGT | /* tx power management */ 399 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 400 IEEE80211_C_WEP; /* s/w WEP */ 401 402 /* set supported .11b and .11g rates */ 403 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 404 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 405 406 /* set supported .11b and .11g channels (1 through 14) */ 407 for (i = 1; i <= 14; i++) { 408 ic->ic_channels[i].ic_freq = 409 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 410 ic->ic_channels[i].ic_flags = 411 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 412 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 413 } 414 415 if_free_sadl(ifp); 416 ieee80211_ifattach(ic); 417 ic->ic_node_alloc = zyd_node_alloc; 418 ic->ic_newassoc = zyd_newassoc; 419 420 /* override state transition machine */ 421 sc->sc_newstate = ic->ic_newstate; 422 ic->ic_newstate = zyd_newstate; 423 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 424 425 #if NBPFILTER > 0 426 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 427 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 428 &sc->sc_drvbpf); 429 430 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 431 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 432 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 433 434 sc->sc_txtap_len = sizeof sc->sc_txtapu; 435 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 436 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 437 #endif 438 439 ieee80211_announce(ic); 440 441 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 442 USBDEV(sc->sc_dev)); 443 444 fail: return error; 445 } 446 447 USB_DETACH(zyd) 448 { 449 USB_DETACH_START(zyd, sc); 450 struct ieee80211com *ic = &sc->sc_ic; 451 struct ifnet *ifp = &sc->sc_if; 452 int s; 453 454 if (!sc->attached) { 455 if_free_sadl(ifp); 456 if_detach(ifp); 457 return 0; 458 } 459 460 s = splusb(); 461 462 zyd_stop(ifp, 1); 463 usb_rem_task(sc->sc_udev, &sc->sc_task); 464 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 465 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 466 467 zyd_close_pipes(sc); 468 469 #if NBPFILTER > 0 470 bpfdetach(ifp); 471 #endif 472 zyd_free_rx_list(sc); 473 zyd_free_tx_list(sc); 474 475 sc->attached = 0; 476 477 #if NBPFILTER > 0 478 bpfdetach(ifp); 479 #endif 480 ieee80211_ifdetach(ic); 481 if_detach(ifp); 482 483 splx(s); 484 485 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 486 USBDEV(sc->sc_dev)); 487 488 return 0; 489 } 490 491 Static int 492 zyd_open_pipes(struct zyd_softc *sc) 493 { 494 usb_endpoint_descriptor_t *edesc; 495 int isize; 496 usbd_status error; 497 498 /* interrupt in */ 499 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 500 if (edesc == NULL) 501 return EINVAL; 502 503 isize = UGETW(edesc->wMaxPacketSize); 504 if (isize == 0) /* should not happen */ 505 return EINVAL; 506 507 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 508 if (sc->ibuf == NULL) 509 return ENOMEM; 510 511 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 512 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 513 USBD_DEFAULT_INTERVAL); 514 if (error != 0) { 515 printf("%s: open rx intr pipe failed: %s\n", 516 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 517 goto fail; 518 } 519 520 /* interrupt out (not necessarily an interrupt pipe) */ 521 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 522 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 523 if (error != 0) { 524 printf("%s: open tx intr pipe failed: %s\n", 525 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 526 goto fail; 527 } 528 529 /* bulk in */ 530 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 531 &sc->zyd_ep[ZYD_ENDPT_BIN]); 532 if (error != 0) { 533 printf("%s: open rx pipe failed: %s\n", 534 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 535 goto fail; 536 } 537 538 /* bulk out */ 539 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 540 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 541 if (error != 0) { 542 printf("%s: open tx pipe failed: %s\n", 543 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 544 goto fail; 545 } 546 547 return 0; 548 549 fail: zyd_close_pipes(sc); 550 return error; 551 } 552 553 Static void 554 zyd_close_pipes(struct zyd_softc *sc) 555 { 556 int i; 557 558 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 559 if (sc->zyd_ep[i] != NULL) { 560 usbd_abort_pipe(sc->zyd_ep[i]); 561 usbd_close_pipe(sc->zyd_ep[i]); 562 sc->zyd_ep[i] = NULL; 563 } 564 } 565 if (sc->ibuf != NULL) { 566 free(sc->ibuf, M_USBDEV); 567 sc->ibuf = NULL; 568 } 569 } 570 571 Static int 572 zyd_alloc_tx_list(struct zyd_softc *sc) 573 { 574 int i, error; 575 576 sc->tx_queued = 0; 577 578 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 579 struct zyd_tx_data *data = &sc->tx_data[i]; 580 581 data->sc = sc; /* backpointer for callbacks */ 582 583 data->xfer = usbd_alloc_xfer(sc->sc_udev); 584 if (data->xfer == NULL) { 585 printf("%s: could not allocate tx xfer\n", 586 USBDEVNAME(sc->sc_dev)); 587 error = ENOMEM; 588 goto fail; 589 } 590 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 591 if (data->buf == NULL) { 592 printf("%s: could not allocate tx buffer\n", 593 USBDEVNAME(sc->sc_dev)); 594 error = ENOMEM; 595 goto fail; 596 } 597 598 /* clear Tx descriptor */ 599 bzero(data->buf, sizeof (struct zyd_tx_desc)); 600 } 601 return 0; 602 603 fail: zyd_free_tx_list(sc); 604 return error; 605 } 606 607 Static void 608 zyd_free_tx_list(struct zyd_softc *sc) 609 { 610 int i; 611 612 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 613 struct zyd_tx_data *data = &sc->tx_data[i]; 614 615 if (data->xfer != NULL) { 616 usbd_free_xfer(data->xfer); 617 data->xfer = NULL; 618 } 619 if (data->ni != NULL) { 620 ieee80211_free_node(data->ni); 621 data->ni = NULL; 622 } 623 } 624 } 625 626 Static int 627 zyd_alloc_rx_list(struct zyd_softc *sc) 628 { 629 int i, error; 630 631 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 632 struct zyd_rx_data *data = &sc->rx_data[i]; 633 634 data->sc = sc; /* backpointer for callbacks */ 635 636 data->xfer = usbd_alloc_xfer(sc->sc_udev); 637 if (data->xfer == NULL) { 638 printf("%s: could not allocate rx xfer\n", 639 USBDEVNAME(sc->sc_dev)); 640 error = ENOMEM; 641 goto fail; 642 } 643 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 644 if (data->buf == NULL) { 645 printf("%s: could not allocate rx buffer\n", 646 USBDEVNAME(sc->sc_dev)); 647 error = ENOMEM; 648 goto fail; 649 } 650 } 651 return 0; 652 653 fail: zyd_free_rx_list(sc); 654 return error; 655 } 656 657 Static void 658 zyd_free_rx_list(struct zyd_softc *sc) 659 { 660 int i; 661 662 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 663 struct zyd_rx_data *data = &sc->rx_data[i]; 664 665 if (data->xfer != NULL) { 666 usbd_free_xfer(data->xfer); 667 data->xfer = NULL; 668 } 669 } 670 } 671 672 /* ARGUSED */ 673 Static struct ieee80211_node * 674 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 675 { 676 struct zyd_node *zn; 677 678 zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT); 679 if (zn != NULL) 680 bzero(zn, sizeof (struct zyd_node)); 681 return (struct ieee80211_node *)zn; 682 } 683 684 Static int 685 zyd_media_change(struct ifnet *ifp) 686 { 687 int error; 688 689 error = ieee80211_media_change(ifp); 690 if (error != ENETRESET) 691 return error; 692 693 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 694 zyd_init(ifp); 695 696 return 0; 697 } 698 699 /* 700 * This function is called periodically (every 200ms) during scanning to 701 * switch from one channel to another. 702 */ 703 Static void 704 zyd_next_scan(void *arg) 705 { 706 struct zyd_softc *sc = arg; 707 struct ieee80211com *ic = &sc->sc_ic; 708 709 if (ic->ic_state == IEEE80211_S_SCAN) 710 ieee80211_next_scan(ic); 711 } 712 713 Static void 714 zyd_task(void *arg) 715 { 716 struct zyd_softc *sc = arg; 717 struct ieee80211com *ic = &sc->sc_ic; 718 enum ieee80211_state ostate; 719 720 ostate = ic->ic_state; 721 722 switch (sc->sc_state) { 723 case IEEE80211_S_INIT: 724 if (ostate == IEEE80211_S_RUN) { 725 /* turn link LED off */ 726 zyd_set_led(sc, ZYD_LED1, 0); 727 728 /* stop data LED from blinking */ 729 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 730 } 731 break; 732 733 case IEEE80211_S_SCAN: 734 zyd_set_chan(sc, ic->ic_curchan); 735 usb_callout(sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 736 break; 737 738 case IEEE80211_S_AUTH: 739 case IEEE80211_S_ASSOC: 740 zyd_set_chan(sc, ic->ic_curchan); 741 break; 742 743 case IEEE80211_S_RUN: 744 { 745 struct ieee80211_node *ni = ic->ic_bss; 746 747 zyd_set_chan(sc, ic->ic_curchan); 748 749 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 750 /* turn link LED on */ 751 zyd_set_led(sc, ZYD_LED1, 1); 752 753 /* make data LED blink upon Tx */ 754 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 755 756 zyd_set_bssid(sc, ni->ni_bssid); 757 } 758 759 if (ic->ic_opmode == IEEE80211_M_STA) { 760 /* fake a join to init the tx rate */ 761 zyd_newassoc(ni, 1); 762 } 763 764 /* start automatic rate control timer */ 765 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 766 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 767 768 break; 769 } 770 } 771 772 sc->sc_newstate(ic, sc->sc_state, -1); 773 } 774 775 Static int 776 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 777 { 778 struct zyd_softc *sc = ic->ic_ifp->if_softc; 779 780 usb_rem_task(sc->sc_udev, &sc->sc_task); 781 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 782 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 783 784 /* do it in a process context */ 785 sc->sc_state = nstate; 786 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 787 788 return 0; 789 } 790 791 Static int 792 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 793 void *odata, int olen, u_int flags) 794 { 795 usbd_xfer_handle xfer; 796 struct zyd_cmd cmd; 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(); 812 813 sc->odata = odata; 814 sc->olen = olen; 815 816 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 817 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 818 error = usbd_transfer(xfer); 819 if (error != USBD_IN_PROGRESS && error != 0) { 820 if (flags & ZYD_CMD_FLAG_READ) 821 splx(s); 822 printf("%s: could not send command (error=%s)\n", 823 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 824 (void)usbd_free_xfer(xfer); 825 return EIO; 826 } 827 if (!(flags & ZYD_CMD_FLAG_READ)) { 828 (void)usbd_free_xfer(xfer); 829 return 0; /* write: don't wait for reply */ 830 } 831 /* wait at most one second for command reply */ 832 error = tsleep(sc, PCATCH, "zydcmd", hz); 833 sc->odata = NULL; /* in case answer is received too late */ 834 splx(s); 835 836 (void)usbd_free_xfer(xfer); 837 return error; 838 } 839 840 Static int 841 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 842 { 843 struct zyd_pair tmp; 844 int error; 845 846 reg = htole16(reg); 847 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 848 ZYD_CMD_FLAG_READ); 849 if (error == 0) 850 *val = le16toh(tmp.val); 851 return error; 852 } 853 854 Static int 855 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 856 { 857 struct zyd_pair tmp[2]; 858 uint16_t regs[2]; 859 int error; 860 861 regs[0] = htole16(ZYD_REG32_HI(reg)); 862 regs[1] = htole16(ZYD_REG32_LO(reg)); 863 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 864 ZYD_CMD_FLAG_READ); 865 if (error == 0) 866 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 867 return error; 868 } 869 870 Static int 871 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 872 { 873 struct zyd_pair pair; 874 875 pair.reg = htole16(reg); 876 pair.val = htole16(val); 877 878 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 879 } 880 881 Static int 882 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 883 { 884 struct zyd_pair pair[2]; 885 886 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 887 pair[0].val = htole16(val >> 16); 888 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 889 pair[1].val = htole16(val & 0xffff); 890 891 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 892 } 893 894 Static int 895 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 896 { 897 struct zyd_rf *rf = &sc->sc_rf; 898 struct zyd_rfwrite req; 899 uint16_t cr203; 900 int i; 901 902 (void)zyd_read16(sc, ZYD_CR203, &cr203); 903 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 904 905 req.code = htole16(2); 906 req.width = htole16(rf->width); 907 for (i = 0; i < rf->width; i++) { 908 req.bit[i] = htole16(cr203); 909 if (val & (1 << (rf->width - 1 - i))) 910 req.bit[i] |= htole16(ZYD_RF_DATA); 911 } 912 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 913 } 914 915 Static void 916 zyd_lock_phy(struct zyd_softc *sc) 917 { 918 uint32_t tmp; 919 920 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 921 tmp &= ~ZYD_UNLOCK_PHY_REGS; 922 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 923 } 924 925 Static void 926 zyd_unlock_phy(struct zyd_softc *sc) 927 { 928 uint32_t tmp; 929 930 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 931 tmp |= ZYD_UNLOCK_PHY_REGS; 932 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 933 } 934 935 /* 936 * RFMD RF methods. 937 */ 938 Static int 939 zyd_rfmd_init(struct zyd_rf *rf) 940 { 941 #define N(a) (sizeof (a) / sizeof ((a)[0])) 942 struct zyd_softc *sc = rf->rf_sc; 943 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 944 static const uint32_t rfini[] = ZYD_RFMD_RF; 945 int i, error; 946 947 /* init RF-dependent PHY registers */ 948 for (i = 0; i < N(phyini); i++) { 949 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 950 if (error != 0) 951 return error; 952 } 953 954 /* init RFMD radio */ 955 for (i = 0; i < N(rfini); i++) { 956 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 957 return error; 958 } 959 return 0; 960 #undef N 961 } 962 963 Static int 964 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 965 { 966 struct zyd_softc *sc = rf->rf_sc; 967 968 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 969 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 970 971 return 0; 972 } 973 974 Static int 975 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 976 { 977 struct zyd_softc *sc = rf->rf_sc; 978 static const struct { 979 uint32_t r1, r2; 980 } rfprog[] = ZYD_RFMD_CHANTABLE; 981 982 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 983 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 984 985 return 0; 986 } 987 988 /* 989 * AL2230 RF methods. 990 */ 991 Static int 992 zyd_al2230_init(struct zyd_rf *rf) 993 { 994 #define N(a) (sizeof (a) / sizeof ((a)[0])) 995 struct zyd_softc *sc = rf->rf_sc; 996 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 997 static const uint32_t rfini[] = ZYD_AL2230_RF; 998 int i, error; 999 1000 /* init RF-dependent PHY registers */ 1001 for (i = 0; i < N(phyini); i++) { 1002 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1003 if (error != 0) 1004 return error; 1005 } 1006 1007 /* init AL2230 radio */ 1008 for (i = 0; i < N(rfini); i++) { 1009 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1010 return error; 1011 } 1012 return 0; 1013 #undef N 1014 } 1015 1016 Static int 1017 zyd_al2230_init_b(struct zyd_rf *rf) 1018 { 1019 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1020 struct zyd_softc *sc = rf->rf_sc; 1021 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1022 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1023 int i, error; 1024 1025 /* init RF-dependent PHY registers */ 1026 for (i = 0; i < N(phyini); i++) { 1027 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1028 if (error != 0) 1029 return error; 1030 } 1031 1032 /* init AL2230 radio */ 1033 for (i = 0; i < N(rfini); i++) { 1034 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1035 return error; 1036 } 1037 return 0; 1038 #undef N 1039 } 1040 1041 Static int 1042 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1043 { 1044 struct zyd_softc *sc = rf->rf_sc; 1045 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1046 1047 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1048 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1049 1050 return 0; 1051 } 1052 1053 Static int 1054 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1055 { 1056 struct zyd_softc *sc = rf->rf_sc; 1057 static const struct { 1058 uint32_t r1, r2, r3; 1059 } rfprog[] = ZYD_AL2230_CHANTABLE; 1060 1061 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1062 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1063 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1064 1065 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1066 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1067 1068 return 0; 1069 } 1070 1071 /* 1072 * AL7230B RF methods. 1073 */ 1074 Static int 1075 zyd_al7230B_init(struct zyd_rf *rf) 1076 { 1077 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1078 struct zyd_softc *sc = rf->rf_sc; 1079 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1080 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1081 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1082 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1083 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1084 int i, error; 1085 1086 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1087 1088 /* init RF-dependent PHY registers, part one */ 1089 for (i = 0; i < N(phyini_1); i++) { 1090 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1091 if (error != 0) 1092 return error; 1093 } 1094 /* init AL7230B radio, part one */ 1095 for (i = 0; i < N(rfini_1); i++) { 1096 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1097 return error; 1098 } 1099 /* init RF-dependent PHY registers, part two */ 1100 for (i = 0; i < N(phyini_2); i++) { 1101 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1102 if (error != 0) 1103 return error; 1104 } 1105 /* init AL7230B radio, part two */ 1106 for (i = 0; i < N(rfini_2); i++) { 1107 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1108 return error; 1109 } 1110 /* init RF-dependent PHY registers, part three */ 1111 for (i = 0; i < N(phyini_3); i++) { 1112 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1113 if (error != 0) 1114 return error; 1115 } 1116 1117 return 0; 1118 #undef N 1119 } 1120 1121 Static int 1122 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1123 { 1124 struct zyd_softc *sc = rf->rf_sc; 1125 1126 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1127 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1128 1129 return 0; 1130 } 1131 1132 Static int 1133 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1134 { 1135 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1136 struct zyd_softc *sc = rf->rf_sc; 1137 static const struct { 1138 uint32_t r1, r2; 1139 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1140 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1141 int i, error; 1142 1143 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1144 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1145 1146 for (i = 0; i < N(rfsc); i++) { 1147 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1148 return error; 1149 } 1150 1151 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1152 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1153 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1154 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1155 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1156 1157 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1158 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1159 (void)zyd_rfwrite(sc, 0x3c9000); 1160 1161 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1162 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1163 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1164 1165 return 0; 1166 #undef N 1167 } 1168 1169 /* 1170 * AL2210 RF methods. 1171 */ 1172 Static int 1173 zyd_al2210_init(struct zyd_rf *rf) 1174 { 1175 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1176 struct zyd_softc *sc = rf->rf_sc; 1177 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1178 static const uint32_t rfini[] = ZYD_AL2210_RF; 1179 uint32_t tmp; 1180 int i, error; 1181 1182 (void)zyd_write32(sc, ZYD_CR18, 2); 1183 1184 /* init RF-dependent PHY registers */ 1185 for (i = 0; i < N(phyini); i++) { 1186 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1187 if (error != 0) 1188 return error; 1189 } 1190 /* init AL2210 radio */ 1191 for (i = 0; i < N(rfini); i++) { 1192 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1193 return error; 1194 } 1195 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1196 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1197 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1198 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1199 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1200 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1201 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1202 (void)zyd_write32(sc, ZYD_CR18, 3); 1203 1204 return 0; 1205 #undef N 1206 } 1207 1208 Static int 1209 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1210 { 1211 /* vendor driver does nothing for this RF chip */ 1212 1213 return 0; 1214 } 1215 1216 Static int 1217 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1218 { 1219 struct zyd_softc *sc = rf->rf_sc; 1220 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1221 uint32_t tmp; 1222 1223 (void)zyd_write32(sc, ZYD_CR18, 2); 1224 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1225 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1226 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1227 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1228 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1229 1230 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1231 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1232 1233 /* actually set the channel */ 1234 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1235 1236 (void)zyd_write32(sc, ZYD_CR18, 3); 1237 1238 return 0; 1239 } 1240 1241 /* 1242 * GCT RF methods. 1243 */ 1244 Static int 1245 zyd_gct_init(struct zyd_rf *rf) 1246 { 1247 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1248 struct zyd_softc *sc = rf->rf_sc; 1249 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1250 static const uint32_t rfini[] = ZYD_GCT_RF; 1251 int i, error; 1252 1253 /* init RF-dependent PHY registers */ 1254 for (i = 0; i < N(phyini); i++) { 1255 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1256 if (error != 0) 1257 return error; 1258 } 1259 /* init cgt radio */ 1260 for (i = 0; i < N(rfini); i++) { 1261 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1262 return error; 1263 } 1264 return 0; 1265 #undef N 1266 } 1267 1268 Static int 1269 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1270 { 1271 /* vendor driver does nothing for this RF chip */ 1272 1273 return 0; 1274 } 1275 1276 Static int 1277 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1278 { 1279 struct zyd_softc *sc = rf->rf_sc; 1280 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1281 1282 (void)zyd_rfwrite(sc, 0x1c0000); 1283 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1284 (void)zyd_rfwrite(sc, 0x1c0008); 1285 1286 return 0; 1287 } 1288 1289 /* 1290 * Maxim RF methods. 1291 */ 1292 Static int 1293 zyd_maxim_init(struct zyd_rf *rf) 1294 { 1295 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1296 struct zyd_softc *sc = rf->rf_sc; 1297 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1298 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1299 uint16_t tmp; 1300 int i, error; 1301 1302 /* init RF-dependent PHY registers */ 1303 for (i = 0; i < N(phyini); i++) { 1304 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1305 if (error != 0) 1306 return error; 1307 } 1308 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1309 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1310 1311 /* init maxim radio */ 1312 for (i = 0; i < N(rfini); i++) { 1313 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1314 return error; 1315 } 1316 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1317 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1318 1319 return 0; 1320 #undef N 1321 } 1322 1323 Static int 1324 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1325 { 1326 /* vendor driver does nothing for this RF chip */ 1327 1328 return 0; 1329 } 1330 1331 Static int 1332 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1333 { 1334 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1335 struct zyd_softc *sc = rf->rf_sc; 1336 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1337 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1338 static const struct { 1339 uint32_t r1, r2; 1340 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1341 uint16_t tmp; 1342 int i, error; 1343 1344 /* 1345 * Do the same as we do when initializing it, except for the channel 1346 * values coming from the two channel tables. 1347 */ 1348 1349 /* init RF-dependent PHY registers */ 1350 for (i = 0; i < N(phyini); i++) { 1351 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1352 if (error != 0) 1353 return error; 1354 } 1355 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1356 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1357 1358 /* first two values taken from the chantables */ 1359 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1360 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1361 1362 /* init maxim radio - skipping the two first values */ 1363 for (i = 2; i < N(rfini); i++) { 1364 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1365 return error; 1366 } 1367 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1368 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1369 1370 return 0; 1371 #undef N 1372 } 1373 1374 /* 1375 * Maxim2 RF methods. 1376 */ 1377 Static int 1378 zyd_maxim2_init(struct zyd_rf *rf) 1379 { 1380 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1381 struct zyd_softc *sc = rf->rf_sc; 1382 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1383 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1384 uint16_t tmp; 1385 int i, error; 1386 1387 /* init RF-dependent PHY registers */ 1388 for (i = 0; i < N(phyini); i++) { 1389 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1390 if (error != 0) 1391 return error; 1392 } 1393 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1394 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1395 1396 /* init maxim2 radio */ 1397 for (i = 0; i < N(rfini); i++) { 1398 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1399 return error; 1400 } 1401 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1402 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1403 1404 return 0; 1405 #undef N 1406 } 1407 1408 Static int 1409 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1410 { 1411 /* vendor driver does nothing for this RF chip */ 1412 1413 return 0; 1414 } 1415 1416 Static int 1417 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1418 { 1419 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1420 struct zyd_softc *sc = rf->rf_sc; 1421 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1422 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1423 static const struct { 1424 uint32_t r1, r2; 1425 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1426 uint16_t tmp; 1427 int i, error; 1428 1429 /* 1430 * Do the same as we do when initializing it, except for the channel 1431 * values coming from the two channel tables. 1432 */ 1433 1434 /* init RF-dependent PHY registers */ 1435 for (i = 0; i < N(phyini); i++) { 1436 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1437 if (error != 0) 1438 return error; 1439 } 1440 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1441 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1442 1443 /* first two values taken from the chantables */ 1444 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1445 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1446 1447 /* init maxim2 radio - skipping the two first values */ 1448 for (i = 2; i < N(rfini); i++) { 1449 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1450 return error; 1451 } 1452 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1453 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1454 1455 return 0; 1456 #undef N 1457 } 1458 1459 Static int 1460 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1461 { 1462 struct zyd_rf *rf = &sc->sc_rf; 1463 1464 rf->rf_sc = sc; 1465 1466 switch (type) { 1467 case ZYD_RF_RFMD: 1468 rf->init = zyd_rfmd_init; 1469 rf->switch_radio = zyd_rfmd_switch_radio; 1470 rf->set_channel = zyd_rfmd_set_channel; 1471 rf->width = 24; /* 24-bit RF values */ 1472 break; 1473 case ZYD_RF_AL2230: 1474 if (sc->mac_rev == ZYD_ZD1211B) 1475 rf->init = zyd_al2230_init_b; 1476 else 1477 rf->init = zyd_al2230_init; 1478 rf->switch_radio = zyd_al2230_switch_radio; 1479 rf->set_channel = zyd_al2230_set_channel; 1480 rf->width = 24; /* 24-bit RF values */ 1481 break; 1482 case ZYD_RF_AL7230B: 1483 rf->init = zyd_al7230B_init; 1484 rf->switch_radio = zyd_al7230B_switch_radio; 1485 rf->set_channel = zyd_al7230B_set_channel; 1486 rf->width = 24; /* 24-bit RF values */ 1487 break; 1488 case ZYD_RF_AL2210: 1489 rf->init = zyd_al2210_init; 1490 rf->switch_radio = zyd_al2210_switch_radio; 1491 rf->set_channel = zyd_al2210_set_channel; 1492 rf->width = 24; /* 24-bit RF values */ 1493 break; 1494 case ZYD_RF_GCT: 1495 rf->init = zyd_gct_init; 1496 rf->switch_radio = zyd_gct_switch_radio; 1497 rf->set_channel = zyd_gct_set_channel; 1498 rf->width = 21; /* 21-bit RF values */ 1499 break; 1500 case ZYD_RF_MAXIM_NEW: 1501 rf->init = zyd_maxim_init; 1502 rf->switch_radio = zyd_maxim_switch_radio; 1503 rf->set_channel = zyd_maxim_set_channel; 1504 rf->width = 18; /* 18-bit RF values */ 1505 break; 1506 case ZYD_RF_MAXIM_NEW2: 1507 rf->init = zyd_maxim2_init; 1508 rf->switch_radio = zyd_maxim2_switch_radio; 1509 rf->set_channel = zyd_maxim2_set_channel; 1510 rf->width = 18; /* 18-bit RF values */ 1511 break; 1512 default: 1513 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1514 USBDEVNAME(sc->sc_dev), zyd_rf_name(type)); 1515 return EINVAL; 1516 } 1517 return 0; 1518 } 1519 1520 Static const char * 1521 zyd_rf_name(uint8_t type) 1522 { 1523 static const char * const zyd_rfs[] = { 1524 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1525 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1526 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1527 "PHILIPS" 1528 }; 1529 1530 return zyd_rfs[(type > 15) ? 0 : type]; 1531 } 1532 1533 Static int 1534 zyd_hw_init(struct zyd_softc *sc) 1535 { 1536 struct zyd_rf *rf = &sc->sc_rf; 1537 const struct zyd_phy_pair *phyp; 1538 int error; 1539 1540 /* specify that the plug and play is finished */ 1541 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1542 1543 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1544 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1545 1546 /* retrieve firmware revision number */ 1547 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1548 1549 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1550 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1551 1552 /* disable interrupts */ 1553 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1554 1555 /* PHY init */ 1556 zyd_lock_phy(sc); 1557 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1558 for (; phyp->reg != 0; phyp++) { 1559 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1560 goto fail; 1561 } 1562 zyd_unlock_phy(sc); 1563 1564 /* HMAC init */ 1565 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1566 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1567 1568 if (sc->mac_rev == ZYD_ZD1211) { 1569 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1570 } else { 1571 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1572 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1573 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1574 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1575 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1576 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1577 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1578 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1579 } 1580 1581 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1582 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1583 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1584 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1585 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1586 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1587 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1588 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1589 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1590 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1591 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1592 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1593 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1594 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1595 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1596 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1597 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1598 1599 /* RF chip init */ 1600 zyd_lock_phy(sc); 1601 error = (*rf->init)(rf); 1602 zyd_unlock_phy(sc); 1603 if (error != 0) { 1604 printf("%s: radio initialization failed\n", 1605 USBDEVNAME(sc->sc_dev)); 1606 goto fail; 1607 } 1608 1609 /* init beacon interval to 100ms */ 1610 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1611 goto fail; 1612 1613 fail: return error; 1614 } 1615 1616 Static int 1617 zyd_read_eeprom(struct zyd_softc *sc) 1618 { 1619 struct ieee80211com *ic = &sc->sc_ic; 1620 uint32_t tmp; 1621 uint16_t val; 1622 int i; 1623 1624 /* read MAC address */ 1625 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1626 ic->ic_myaddr[0] = tmp & 0xff; 1627 ic->ic_myaddr[1] = tmp >> 8; 1628 ic->ic_myaddr[2] = tmp >> 16; 1629 ic->ic_myaddr[3] = tmp >> 24; 1630 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1631 ic->ic_myaddr[4] = tmp & 0xff; 1632 ic->ic_myaddr[5] = tmp >> 8; 1633 1634 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1635 sc->rf_rev = tmp & 0x0f; 1636 sc->pa_rev = (tmp >> 16) & 0x0f; 1637 1638 /* read regulatory domain (currently unused) */ 1639 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1640 sc->regdomain = tmp >> 16; 1641 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1642 1643 /* read Tx power calibration tables */ 1644 for (i = 0; i < 7; i++) { 1645 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1646 sc->pwr_cal[i * 2] = val >> 8; 1647 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1648 1649 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1650 sc->pwr_int[i * 2] = val >> 8; 1651 sc->pwr_int[i * 2 + 1] = val & 0xff; 1652 1653 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1654 sc->ofdm36_cal[i * 2] = val >> 8; 1655 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1656 1657 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1658 sc->ofdm48_cal[i * 2] = val >> 8; 1659 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1660 1661 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1662 sc->ofdm54_cal[i * 2] = val >> 8; 1663 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1664 } 1665 return 0; 1666 } 1667 1668 Static int 1669 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1670 { 1671 uint32_t tmp; 1672 1673 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1674 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1675 1676 tmp = addr[5] << 8 | addr[4]; 1677 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1678 1679 return 0; 1680 } 1681 1682 Static int 1683 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1684 { 1685 uint32_t tmp; 1686 1687 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1688 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1689 1690 tmp = addr[5] << 8 | addr[4]; 1691 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1692 1693 return 0; 1694 } 1695 1696 Static int 1697 zyd_switch_radio(struct zyd_softc *sc, int on) 1698 { 1699 struct zyd_rf *rf = &sc->sc_rf; 1700 int error; 1701 1702 zyd_lock_phy(sc); 1703 error = (*rf->switch_radio)(rf, on); 1704 zyd_unlock_phy(sc); 1705 1706 return error; 1707 } 1708 1709 Static void 1710 zyd_set_led(struct zyd_softc *sc, int which, int on) 1711 { 1712 uint32_t tmp; 1713 1714 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1715 tmp &= ~which; 1716 if (on) 1717 tmp |= which; 1718 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1719 } 1720 1721 Static int 1722 zyd_set_rxfilter(struct zyd_softc *sc) 1723 { 1724 uint32_t rxfilter; 1725 1726 switch (sc->sc_ic.ic_opmode) { 1727 case IEEE80211_M_STA: 1728 rxfilter = ZYD_FILTER_BSS; 1729 break; 1730 case IEEE80211_M_IBSS: 1731 case IEEE80211_M_HOSTAP: 1732 rxfilter = ZYD_FILTER_HOSTAP; 1733 break; 1734 case IEEE80211_M_MONITOR: 1735 rxfilter = ZYD_FILTER_MONITOR; 1736 break; 1737 default: 1738 /* should not get there */ 1739 return EINVAL; 1740 } 1741 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1742 } 1743 1744 Static void 1745 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1746 { 1747 struct ieee80211com *ic = &sc->sc_ic; 1748 struct zyd_rf *rf = &sc->sc_rf; 1749 u_int chan; 1750 1751 chan = ieee80211_chan2ieee(ic, c); 1752 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1753 return; 1754 1755 zyd_lock_phy(sc); 1756 1757 (*rf->set_channel)(rf, chan); 1758 1759 /* update Tx power */ 1760 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1761 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1762 1763 if (sc->mac_rev == ZYD_ZD1211B) { 1764 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1765 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1766 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1767 1768 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1769 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1770 } 1771 1772 zyd_unlock_phy(sc); 1773 } 1774 1775 Static int 1776 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1777 { 1778 /* XXX this is probably broken.. */ 1779 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1780 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1781 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1782 1783 return 0; 1784 } 1785 1786 Static uint8_t 1787 zyd_plcp_signal(int rate) 1788 { 1789 switch (rate) { 1790 /* CCK rates (returned values are device-dependent) */ 1791 case 2: return 0x0; 1792 case 4: return 0x1; 1793 case 11: return 0x2; 1794 case 22: return 0x3; 1795 1796 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1797 case 12: return 0xb; 1798 case 18: return 0xf; 1799 case 24: return 0xa; 1800 case 36: return 0xe; 1801 case 48: return 0x9; 1802 case 72: return 0xd; 1803 case 96: return 0x8; 1804 case 108: return 0xc; 1805 1806 /* unsupported rates (should not get there) */ 1807 default: return 0xff; 1808 } 1809 } 1810 1811 Static void 1812 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1813 { 1814 struct zyd_softc *sc = (struct zyd_softc *)priv; 1815 struct zyd_cmd *cmd; 1816 uint32_t len; 1817 1818 if (status != USBD_NORMAL_COMPLETION) { 1819 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1820 return; 1821 1822 if (status == USBD_STALLED) { 1823 usbd_clear_endpoint_stall_async( 1824 sc->zyd_ep[ZYD_ENDPT_IIN]); 1825 } 1826 return; 1827 } 1828 1829 cmd = (struct zyd_cmd *)sc->ibuf; 1830 1831 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1832 struct zyd_notif_retry *retry = 1833 (struct zyd_notif_retry *)cmd->data; 1834 struct ieee80211com *ic = &sc->sc_ic; 1835 struct ifnet *ifp = &sc->sc_if; 1836 struct ieee80211_node *ni; 1837 1838 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1839 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1840 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1841 1842 /* 1843 * Find the node to which the packet was sent and update its 1844 * retry statistics. In BSS mode, this node is the AP we're 1845 * associated to so no lookup is actually needed. 1846 */ 1847 if (ic->ic_opmode != IEEE80211_M_STA) { 1848 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1849 if (ni == NULL) 1850 return; /* just ignore */ 1851 } else 1852 ni = ic->ic_bss; 1853 1854 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1855 1856 if (le16toh(retry->count) & 0x100) 1857 ifp->if_oerrors++; /* too many retries */ 1858 1859 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1860 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1861 return; /* HMAC interrupt */ 1862 1863 if (sc->odata == NULL) 1864 return; /* unexpected IORD notification */ 1865 1866 /* copy answer into caller-supplied buffer */ 1867 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1868 bcopy(cmd->data, sc->odata, sc->olen); 1869 1870 wakeup(sc); /* wakeup caller */ 1871 1872 } else { 1873 printf("%s: unknown notification %x\n", USBDEVNAME(sc->sc_dev), 1874 le16toh(cmd->code)); 1875 } 1876 } 1877 1878 Static void 1879 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1880 { 1881 struct ieee80211com *ic = &sc->sc_ic; 1882 struct ifnet *ifp = &sc->sc_if; 1883 struct ieee80211_node *ni; 1884 struct ieee80211_frame *wh; 1885 const struct zyd_plcphdr *plcp; 1886 const struct zyd_rx_stat *stat; 1887 struct mbuf *m; 1888 int rlen, s; 1889 1890 if (len < ZYD_MIN_FRAGSZ) { 1891 printf("%s: frame too short (length=%d)\n", 1892 USBDEVNAME(sc->sc_dev), len); 1893 ifp->if_ierrors++; 1894 return; 1895 } 1896 1897 plcp = (const struct zyd_plcphdr *)buf; 1898 stat = (const struct zyd_rx_stat *) 1899 (buf + len - sizeof (struct zyd_rx_stat)); 1900 1901 if (stat->flags & ZYD_RX_ERROR) { 1902 DPRINTF(("%s: RX status indicated error (%x)\n", 1903 USBDEVNAME(sc->sc_dev), stat->flags)); 1904 ifp->if_ierrors++; 1905 return; 1906 } 1907 1908 /* compute actual frame length */ 1909 rlen = len - sizeof (struct zyd_plcphdr) - 1910 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1911 1912 /* allocate a mbuf to store the frame */ 1913 MGETHDR(m, M_DONTWAIT, MT_DATA); 1914 if (m == NULL) { 1915 printf("%s: could not allocate rx mbuf\n", 1916 USBDEVNAME(sc->sc_dev)); 1917 ifp->if_ierrors++; 1918 return; 1919 } 1920 if (rlen > MHLEN) { 1921 MCLGET(m, M_DONTWAIT); 1922 if (!(m->m_flags & M_EXT)) { 1923 printf("%s: could not allocate rx mbuf cluster\n", 1924 USBDEVNAME(sc->sc_dev)); 1925 m_freem(m); 1926 ifp->if_ierrors++; 1927 return; 1928 } 1929 } 1930 m->m_pkthdr.rcvif = ifp; 1931 m->m_pkthdr.len = m->m_len = rlen; 1932 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1933 1934 #if NBPFILTER > 0 1935 if (sc->sc_drvbpf != NULL) { 1936 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1937 static const uint8_t rates[] = { 1938 /* reverse function of zyd_plcp_signal() */ 1939 2, 4, 11, 22, 0, 0, 0, 0, 1940 96, 48, 24, 12, 108, 72, 36, 18 1941 }; 1942 1943 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1944 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1945 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1946 tap->wr_rssi = stat->rssi; 1947 tap->wr_rate = rates[plcp->signal & 0xf]; 1948 1949 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1950 } 1951 #endif 1952 1953 s = splnet(); 1954 wh = mtod(m, struct ieee80211_frame *); 1955 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1956 ieee80211_input(ic, m, ni, stat->rssi, 0); 1957 1958 /* node is no longer needed */ 1959 ieee80211_free_node(ni); 1960 1961 splx(s); 1962 } 1963 1964 Static void 1965 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1966 { 1967 struct zyd_rx_data *data = priv; 1968 struct zyd_softc *sc = data->sc; 1969 struct ifnet *ifp = &sc->sc_if; 1970 const struct zyd_rx_desc *desc; 1971 int len; 1972 1973 if (status != USBD_NORMAL_COMPLETION) { 1974 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1975 return; 1976 1977 if (status == USBD_STALLED) 1978 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 1979 1980 goto skip; 1981 } 1982 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1983 1984 if (len < ZYD_MIN_RXBUFSZ) { 1985 printf("%s: xfer too short (length=%d)\n", 1986 USBDEVNAME(sc->sc_dev), len); 1987 ifp->if_ierrors++; 1988 goto skip; 1989 } 1990 1991 desc = (const struct zyd_rx_desc *) 1992 (data->buf + len - sizeof (struct zyd_rx_desc)); 1993 1994 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 1995 const uint8_t *p = data->buf, *end = p + len; 1996 int i; 1997 1998 DPRINTFN(3, ("received multi-frame transfer\n")); 1999 2000 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2001 const uint16_t len16 = UGETW(desc->len[i]); 2002 2003 if (len16 == 0 || p + len16 > end) 2004 break; 2005 2006 zyd_rx_data(sc, p, len16); 2007 /* next frame is aligned on a 32-bit boundary */ 2008 p += (len16 + 3) & ~3; 2009 } 2010 } else { 2011 DPRINTFN(3, ("received single-frame transfer\n")); 2012 2013 zyd_rx_data(sc, data->buf, len); 2014 } 2015 2016 skip: /* setup a new transfer */ 2017 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2018 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2019 USBD_NO_TIMEOUT, zyd_rxeof); 2020 (void)usbd_transfer(xfer); 2021 } 2022 2023 Static int 2024 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2025 { 2026 struct ieee80211com *ic = &sc->sc_ic; 2027 struct ifnet *ifp = &sc->sc_if; 2028 struct zyd_tx_desc *desc; 2029 struct zyd_tx_data *data; 2030 struct ieee80211_frame *wh; 2031 int xferlen, totlen, rate; 2032 uint16_t pktlen; 2033 usbd_status error; 2034 2035 data = &sc->tx_data[0]; 2036 desc = (struct zyd_tx_desc *)data->buf; 2037 2038 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2039 2040 data->ni = ni; 2041 2042 wh = mtod(m0, struct ieee80211_frame *); 2043 2044 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2045 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2046 2047 /* fill Tx descriptor */ 2048 desc->len = htole16(totlen); 2049 2050 desc->flags = ZYD_TX_FLAG_BACKOFF; 2051 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2052 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2053 if (totlen > ic->ic_rtsthreshold) { 2054 desc->flags |= ZYD_TX_FLAG_RTS; 2055 } else if (ZYD_RATE_IS_OFDM(rate) && 2056 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2057 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2058 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2059 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2060 desc->flags |= ZYD_TX_FLAG_RTS; 2061 } 2062 } else 2063 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2064 2065 if ((wh->i_fc[0] & 2066 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2067 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2068 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2069 2070 desc->phy = zyd_plcp_signal(rate); 2071 if (ZYD_RATE_IS_OFDM(rate)) { 2072 desc->phy |= ZYD_TX_PHY_OFDM; 2073 if (ic->ic_curmode == IEEE80211_MODE_11A) 2074 desc->phy |= ZYD_TX_PHY_5GHZ; 2075 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2076 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2077 2078 /* actual transmit length (XXX why +10?) */ 2079 pktlen = sizeof (struct zyd_tx_desc) + 10; 2080 if (sc->mac_rev == ZYD_ZD1211) 2081 pktlen += totlen; 2082 desc->pktlen = htole16(pktlen); 2083 2084 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2085 desc->plcp_service = 0; 2086 if (rate == 22) { 2087 const int remainder = (16 * totlen) % 22; 2088 if (remainder != 0 && remainder < 7) 2089 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2090 } 2091 2092 #if NBPFILTER > 0 2093 if (sc->sc_drvbpf != NULL) { 2094 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2095 2096 tap->wt_flags = 0; 2097 tap->wt_rate = rate; 2098 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2099 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2100 2101 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2102 } 2103 #endif 2104 2105 m_copydata(m0, 0, m0->m_pkthdr.len, 2106 data->buf + sizeof (struct zyd_tx_desc)); 2107 2108 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2109 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2110 2111 m_freem(m0); /* mbuf no longer needed */ 2112 2113 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2114 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2115 ZYD_TX_TIMEOUT, zyd_txeof); 2116 error = usbd_transfer(data->xfer); 2117 if (error != USBD_IN_PROGRESS && error != 0) { 2118 ifp->if_oerrors++; 2119 return EIO; 2120 } 2121 sc->tx_queued++; 2122 2123 return 0; 2124 } 2125 2126 Static void 2127 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2128 { 2129 struct zyd_tx_data *data = priv; 2130 struct zyd_softc *sc = data->sc; 2131 struct ifnet *ifp = &sc->sc_if; 2132 int s; 2133 2134 if (status != USBD_NORMAL_COMPLETION) { 2135 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2136 return; 2137 2138 printf("%s: could not transmit buffer: %s\n", 2139 USBDEVNAME(sc->sc_dev), usbd_errstr(status)); 2140 2141 if (status == USBD_STALLED) { 2142 usbd_clear_endpoint_stall_async( 2143 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2144 } 2145 ifp->if_oerrors++; 2146 return; 2147 } 2148 2149 s = splnet(); 2150 2151 /* update rate control statistics */ 2152 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2153 2154 ieee80211_free_node(data->ni); 2155 data->ni = NULL; 2156 2157 sc->tx_queued--; 2158 ifp->if_opackets++; 2159 2160 sc->tx_timer = 0; 2161 ifp->if_flags &= ~IFF_OACTIVE; 2162 zyd_start(ifp); 2163 2164 splx(s); 2165 } 2166 2167 Static int 2168 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2169 { 2170 struct ieee80211com *ic = &sc->sc_ic; 2171 struct ifnet *ifp = &sc->sc_if; 2172 struct zyd_tx_desc *desc; 2173 struct zyd_tx_data *data; 2174 struct ieee80211_frame *wh; 2175 struct ieee80211_key *k; 2176 int xferlen, totlen, rate; 2177 uint16_t pktlen; 2178 usbd_status error; 2179 2180 wh = mtod(m0, struct ieee80211_frame *); 2181 2182 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2183 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2184 else 2185 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2186 rate &= IEEE80211_RATE_VAL; 2187 2188 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2189 k = ieee80211_crypto_encap(ic, ni, m0); 2190 if (k == NULL) { 2191 m_freem(m0); 2192 return ENOBUFS; 2193 } 2194 2195 /* packet header may have moved, reset our local pointer */ 2196 wh = mtod(m0, struct ieee80211_frame *); 2197 } 2198 2199 data = &sc->tx_data[0]; 2200 desc = (struct zyd_tx_desc *)data->buf; 2201 2202 data->ni = ni; 2203 2204 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2205 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2206 2207 /* fill Tx descriptor */ 2208 desc->len = htole16(totlen); 2209 2210 desc->flags = ZYD_TX_FLAG_BACKOFF; 2211 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2212 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2213 if (totlen > ic->ic_rtsthreshold) { 2214 desc->flags |= ZYD_TX_FLAG_RTS; 2215 } else if (ZYD_RATE_IS_OFDM(rate) && 2216 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2217 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2218 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2219 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2220 desc->flags |= ZYD_TX_FLAG_RTS; 2221 } 2222 } else 2223 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2224 2225 if ((wh->i_fc[0] & 2226 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2227 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2228 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2229 2230 desc->phy = zyd_plcp_signal(rate); 2231 if (ZYD_RATE_IS_OFDM(rate)) { 2232 desc->phy |= ZYD_TX_PHY_OFDM; 2233 if (ic->ic_curmode == IEEE80211_MODE_11A) 2234 desc->phy |= ZYD_TX_PHY_5GHZ; 2235 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2236 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2237 2238 /* actual transmit length (XXX why +10?) */ 2239 pktlen = sizeof (struct zyd_tx_desc) + 10; 2240 if (sc->mac_rev == ZYD_ZD1211) 2241 pktlen += totlen; 2242 desc->pktlen = htole16(pktlen); 2243 2244 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2245 desc->plcp_service = 0; 2246 if (rate == 22) { 2247 const int remainder = (16 * totlen) % 22; 2248 if (remainder != 0 && remainder < 7) 2249 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2250 } 2251 2252 #if NBPFILTER > 0 2253 if (sc->sc_drvbpf != NULL) { 2254 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2255 2256 tap->wt_flags = 0; 2257 tap->wt_rate = rate; 2258 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2259 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2260 2261 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2262 } 2263 #endif 2264 2265 m_copydata(m0, 0, m0->m_pkthdr.len, 2266 data->buf + sizeof (struct zyd_tx_desc)); 2267 2268 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2269 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2270 2271 m_freem(m0); /* mbuf no longer needed */ 2272 2273 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2274 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2275 ZYD_TX_TIMEOUT, zyd_txeof); 2276 error = usbd_transfer(data->xfer); 2277 if (error != USBD_IN_PROGRESS && error != 0) { 2278 ifp->if_oerrors++; 2279 return EIO; 2280 } 2281 sc->tx_queued++; 2282 2283 return 0; 2284 } 2285 2286 Static void 2287 zyd_start(struct ifnet *ifp) 2288 { 2289 struct zyd_softc *sc = ifp->if_softc; 2290 struct ieee80211com *ic = &sc->sc_ic; 2291 struct ether_header *eh; 2292 struct ieee80211_node *ni; 2293 struct mbuf *m0; 2294 2295 for (;;) { 2296 IF_POLL(&ic->ic_mgtq, m0); 2297 if (m0 != NULL) { 2298 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2299 ifp->if_flags |= IFF_OACTIVE; 2300 break; 2301 } 2302 IF_DEQUEUE(&ic->ic_mgtq, m0); 2303 2304 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2305 m0->m_pkthdr.rcvif = NULL; 2306 #if NBPFILTER > 0 2307 if (ic->ic_rawbpf != NULL) 2308 bpf_mtap(ic->ic_rawbpf, m0); 2309 #endif 2310 if (zyd_tx_mgt(sc, m0, ni) != 0) 2311 break; 2312 } else { 2313 if (ic->ic_state != IEEE80211_S_RUN) 2314 break; 2315 IFQ_POLL(&ifp->if_snd, m0); 2316 if (m0 == NULL) 2317 break; 2318 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2319 ifp->if_flags |= IFF_OACTIVE; 2320 break; 2321 } 2322 IFQ_DEQUEUE(&ifp->if_snd, m0); 2323 2324 if (m0->m_len < sizeof(struct ether_header) && 2325 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2326 continue; 2327 2328 eh = mtod(m0, struct ether_header *); 2329 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2330 if (ni == NULL) { 2331 m_freem(m0); 2332 continue; 2333 } 2334 #if NBPFILTER > 0 2335 if (ifp->if_bpf != NULL) 2336 bpf_mtap(ifp->if_bpf, m0); 2337 #endif 2338 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2339 ieee80211_free_node(ni); 2340 ifp->if_oerrors++; 2341 continue; 2342 } 2343 #if NBPFILTER > 0 2344 if (ic->ic_rawbpf != NULL) 2345 bpf_mtap(ic->ic_rawbpf, m0); 2346 #endif 2347 if (zyd_tx_data(sc, m0, ni) != 0) { 2348 ieee80211_free_node(ni); 2349 ifp->if_oerrors++; 2350 break; 2351 } 2352 } 2353 2354 sc->tx_timer = 5; 2355 ifp->if_timer = 1; 2356 } 2357 } 2358 2359 Static void 2360 zyd_watchdog(struct ifnet *ifp) 2361 { 2362 struct zyd_softc *sc = ifp->if_softc; 2363 struct ieee80211com *ic = &sc->sc_ic; 2364 2365 ifp->if_timer = 0; 2366 2367 if (sc->tx_timer > 0) { 2368 if (--sc->tx_timer == 0) { 2369 printf("%s: device timeout\n", USBDEVNAME(sc->sc_dev)); 2370 /* zyd_init(ifp); XXX needs a process context ? */ 2371 ifp->if_oerrors++; 2372 return; 2373 } 2374 ifp->if_timer = 1; 2375 } 2376 2377 ieee80211_watchdog(ic); 2378 } 2379 2380 Static int 2381 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2382 { 2383 struct zyd_softc *sc = ifp->if_softc; 2384 struct ieee80211com *ic = &sc->sc_ic; 2385 int s, error = 0; 2386 2387 s = splnet(); 2388 2389 switch (cmd) { 2390 case SIOCSIFFLAGS: 2391 if (ifp->if_flags & IFF_UP) { 2392 if (!(ifp->if_flags & IFF_RUNNING)) 2393 zyd_init(ifp); 2394 } else { 2395 if (ifp->if_flags & IFF_RUNNING) 2396 zyd_stop(ifp, 1); 2397 } 2398 break; 2399 2400 default: 2401 if (!sc->attached) 2402 error = ENOTTY; 2403 else 2404 error = ieee80211_ioctl(ic, cmd, data); 2405 } 2406 2407 if (error == ENETRESET) { 2408 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2409 (IFF_RUNNING | IFF_UP)) 2410 zyd_init(ifp); 2411 error = 0; 2412 } 2413 2414 splx(s); 2415 2416 return error; 2417 } 2418 2419 Static int 2420 zyd_init(struct ifnet *ifp) 2421 { 2422 struct zyd_softc *sc = ifp->if_softc; 2423 struct ieee80211com *ic = &sc->sc_ic; 2424 int i, error; 2425 2426 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2427 if ((error = zyd_attachhook(sc)) != 0) 2428 return error; 2429 2430 zyd_stop(ifp, 0); 2431 2432 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 2433 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2434 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2435 if (error != 0) 2436 return error; 2437 2438 /* we'll do software WEP decryption for now */ 2439 DPRINTF(("setting encryption type\n")); 2440 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2441 if (error != 0) 2442 return error; 2443 2444 /* promiscuous mode */ 2445 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2446 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2447 2448 (void)zyd_set_rxfilter(sc); 2449 2450 /* switch radio transmitter ON */ 2451 (void)zyd_switch_radio(sc, 1); 2452 2453 /* set basic rates */ 2454 if (ic->ic_curmode == IEEE80211_MODE_11B) 2455 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2456 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2457 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2458 else /* assumes 802.11b/g */ 2459 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2460 2461 /* set mandatory rates */ 2462 if (ic->ic_curmode == IEEE80211_MODE_11B) 2463 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2464 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2465 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2466 else /* assumes 802.11b/g */ 2467 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2468 2469 /* set default BSS channel */ 2470 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2471 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2472 2473 /* enable interrupts */ 2474 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2475 2476 /* 2477 * Allocate Tx and Rx xfer queues. 2478 */ 2479 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2480 printf("%s: could not allocate Tx list\n", 2481 USBDEVNAME(sc->sc_dev)); 2482 goto fail; 2483 } 2484 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2485 printf("%s: could not allocate Rx list\n", 2486 USBDEVNAME(sc->sc_dev)); 2487 goto fail; 2488 } 2489 2490 /* 2491 * Start up the receive pipe. 2492 */ 2493 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2494 struct zyd_rx_data *data = &sc->rx_data[i]; 2495 2496 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2497 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2498 USBD_NO_TIMEOUT, zyd_rxeof); 2499 error = usbd_transfer(data->xfer); 2500 if (error != USBD_IN_PROGRESS && error != 0) { 2501 printf("%s: could not queue Rx transfer\n", 2502 USBDEVNAME(sc->sc_dev)); 2503 goto fail; 2504 } 2505 } 2506 2507 ifp->if_flags &= ~IFF_OACTIVE; 2508 ifp->if_flags |= IFF_RUNNING; 2509 2510 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2511 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2512 else 2513 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2514 2515 return 0; 2516 2517 fail: zyd_stop(ifp, 1); 2518 return error; 2519 } 2520 2521 Static void 2522 zyd_stop(struct ifnet *ifp, int disable) 2523 { 2524 struct zyd_softc *sc = ifp->if_softc; 2525 struct ieee80211com *ic = &sc->sc_ic; 2526 2527 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2528 2529 sc->tx_timer = 0; 2530 ifp->if_timer = 0; 2531 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2532 2533 /* switch radio transmitter OFF */ 2534 (void)zyd_switch_radio(sc, 0); 2535 2536 /* disable Rx */ 2537 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2538 2539 /* disable interrupts */ 2540 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2541 2542 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2543 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2544 2545 zyd_free_rx_list(sc); 2546 zyd_free_tx_list(sc); 2547 } 2548 2549 Static int 2550 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2551 { 2552 usb_device_request_t req; 2553 uint16_t addr; 2554 uint8_t stat; 2555 2556 DPRINTF(("firmware size=%ld\n", size)); 2557 2558 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2559 req.bRequest = ZYD_DOWNLOADREQ; 2560 USETW(req.wIndex, 0); 2561 2562 addr = ZYD_FIRMWARE_START_ADDR; 2563 while (size > 0) { 2564 const int mlen = min(size, 4096); 2565 2566 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2567 addr)); 2568 2569 USETW(req.wValue, addr); 2570 USETW(req.wLength, mlen); 2571 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2572 return EIO; 2573 2574 addr += mlen / 2; 2575 fw += mlen; 2576 size -= mlen; 2577 } 2578 2579 /* check whether the upload succeeded */ 2580 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2581 req.bRequest = ZYD_DOWNLOADSTS; 2582 USETW(req.wValue, 0); 2583 USETW(req.wIndex, 0); 2584 USETW(req.wLength, sizeof stat); 2585 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2586 return EIO; 2587 2588 return (stat & 0x80) ? EIO : 0; 2589 } 2590 2591 Static void 2592 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2593 { 2594 struct zyd_softc *sc = arg; 2595 struct zyd_node *zn = (struct zyd_node *)ni; 2596 2597 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2598 } 2599 2600 Static void 2601 zyd_amrr_timeout(void *arg) 2602 { 2603 struct zyd_softc *sc = arg; 2604 struct ieee80211com *ic = &sc->sc_ic; 2605 int s; 2606 2607 s = splnet(); 2608 if (ic->ic_opmode == IEEE80211_M_STA) 2609 zyd_iter_func(sc, ic->ic_bss); 2610 else 2611 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2612 splx(s); 2613 2614 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2615 } 2616 2617 Static void 2618 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2619 { 2620 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2621 int i; 2622 2623 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2624 2625 /* set rate to some reasonable initial value */ 2626 for (i = ni->ni_rates.rs_nrates - 1; 2627 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2628 i--); 2629 ni->ni_txrate = i; 2630 } 2631 2632 int 2633 zyd_activate(device_ptr_t self, enum devact act) 2634 { 2635 struct zyd_softc *sc = (struct zyd_softc *)self; 2636 2637 switch (act) { 2638 case DVACT_ACTIVATE: 2639 break; 2640 2641 case DVACT_DEACTIVATE: 2642 if_deactivate(&sc->sc_if); 2643 break; 2644 } 2645 return 0; 2646 } 2647
Indexes created Mon Oct 13 08:09:50 GMT 2025