if_zyd.c revision 1.23
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.23 2009/12/06 20:20:12 dyoung 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 1.23 2009/12/06 20:20:12 dyoung 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 <sys/bus.h> 41 #include <machine/endian.h> 42 43 #if NBPFILTER > 0 44 #include <net/bpf.h> 45 #endif 46 #include <net/if.h> 47 #include <net/if_arp.h> 48 #include <net/if_dl.h> 49 #include <net/if_ether.h> 50 #include <net/if_media.h> 51 #include <net/if_types.h> 52 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/in_var.h> 56 #include <netinet/ip.h> 57 58 #include <net80211/ieee80211_netbsd.h> 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_amrr.h> 61 #include <net80211/ieee80211_radiotap.h> 62 63 #include <dev/firmload.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 70 #include <dev/usb/if_zydreg.h> 71 72 #ifdef USB_DEBUG 73 #define ZYD_DEBUG 74 #endif 75 76 #ifdef ZYD_DEBUG 77 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 78 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 79 int zyddebug = 0; 80 #else 81 #define DPRINTF(x) 82 #define DPRINTFN(n, x) 83 #endif 84 85 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 86 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 87 88 /* various supported device vendors/products */ 89 #define ZYD_ZD1211_DEV(v, p) \ 90 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 91 #define ZYD_ZD1211B_DEV(v, p) \ 92 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 93 static const struct zyd_type { 94 struct usb_devno dev; 95 uint8_t rev; 96 #define ZYD_ZD1211 0 97 #define ZYD_ZD1211B 1 98 } zyd_devs[] = { 99 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 100 ZYD_ZD1211_DEV(ABOCOM, WL54), 101 ZYD_ZD1211_DEV(ASUSTEK, WL159G), 102 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 103 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 104 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 105 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 106 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 107 ZYD_ZD1211_DEV(SAGEM, XG760A), 108 ZYD_ZD1211_DEV(SENAO, NUB8301), 109 ZYD_ZD1211_DEV(SITECOMEU, WL113), 110 ZYD_ZD1211_DEV(SWEEX, ZD1211), 111 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 112 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 113 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 114 ZYD_ZD1211_DEV(TWINMOS, G240), 115 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 116 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 117 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 118 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 119 ZYD_ZD1211_DEV(ZCOM, ZD1211), 120 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 121 ZYD_ZD1211_DEV(ZYXEL, AG225H), 122 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 123 124 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 125 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 126 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 127 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 128 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 129 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 130 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 131 ZYD_ZD1211B_DEV(MELCO, KG54L), 132 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 133 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 134 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 135 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 136 #if 0 /* Shall we needs? */ 137 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 138 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 139 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 140 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 141 #endif 142 ZYD_ZD1211B_DEV(USR, USR5423), 143 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 144 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 145 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 146 ZYD_ZD1211B_DEV(ZYXEL, M202), 147 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 148 ZYD_ZD1211B_DEV(PLANEX2, GWUS54GXS), 149 }; 150 #define zyd_lookup(v, p) \ 151 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 152 153 int zyd_match(device_t, cfdata_t, void *); 154 void zyd_attach(device_t, device_t, void *); 155 int zyd_detach(device_t, int); 156 int zyd_activate(device_t, enum devact); 157 extern struct cfdriver zyd_cd; 158 159 CFATTACH_DECL_NEW(zyd, sizeof(struct zyd_softc), zyd_match, 160 zyd_attach, zyd_detach, zyd_activate); 161 162 Static int zyd_attachhook(void *); 163 Static int zyd_complete_attach(struct zyd_softc *); 164 Static int zyd_open_pipes(struct zyd_softc *); 165 Static void zyd_close_pipes(struct zyd_softc *); 166 Static int zyd_alloc_tx_list(struct zyd_softc *); 167 Static void zyd_free_tx_list(struct zyd_softc *); 168 Static int zyd_alloc_rx_list(struct zyd_softc *); 169 Static void zyd_free_rx_list(struct zyd_softc *); 170 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 171 Static int zyd_media_change(struct ifnet *); 172 Static void zyd_next_scan(void *); 173 Static void zyd_task(void *); 174 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 175 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 176 void *, int, u_int); 177 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 178 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 179 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 180 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 181 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 182 Static void zyd_lock_phy(struct zyd_softc *); 183 Static void zyd_unlock_phy(struct zyd_softc *); 184 Static int zyd_rfmd_init(struct zyd_rf *); 185 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 186 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 187 Static int zyd_al2230_init(struct zyd_rf *); 188 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 189 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 190 Static int zyd_al2230_init_b(struct zyd_rf *); 191 Static int zyd_al7230B_init(struct zyd_rf *); 192 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 193 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 194 Static int zyd_al2210_init(struct zyd_rf *); 195 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 196 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 197 Static int zyd_gct_init(struct zyd_rf *); 198 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 199 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 200 Static int zyd_maxim_init(struct zyd_rf *); 201 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 202 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 203 Static int zyd_maxim2_init(struct zyd_rf *); 204 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 205 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 206 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 207 Static const char *zyd_rf_name(uint8_t); 208 Static int zyd_hw_init(struct zyd_softc *); 209 Static int zyd_read_eeprom(struct zyd_softc *); 210 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 211 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 212 Static int zyd_switch_radio(struct zyd_softc *, int); 213 Static void zyd_set_led(struct zyd_softc *, int, int); 214 Static int zyd_set_rxfilter(struct zyd_softc *); 215 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 216 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 217 Static uint8_t zyd_plcp_signal(int); 218 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 219 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 220 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 221 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 222 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 223 struct ieee80211_node *); 224 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 225 struct ieee80211_node *); 226 Static void zyd_start(struct ifnet *); 227 Static void zyd_watchdog(struct ifnet *); 228 Static int zyd_ioctl(struct ifnet *, u_long, void *); 229 Static int zyd_init(struct ifnet *); 230 Static void zyd_stop(struct ifnet *, int); 231 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 232 Static void zyd_iter_func(void *, struct ieee80211_node *); 233 Static void zyd_amrr_timeout(void *); 234 Static void zyd_newassoc(struct ieee80211_node *, int); 235 236 static const struct ieee80211_rateset zyd_rateset_11b = 237 { 4, { 2, 4, 11, 22 } }; 238 239 static const struct ieee80211_rateset zyd_rateset_11g = 240 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 241 242 int 243 zyd_match(device_t parent, cfdata_t match, void *aux) 244 { 245 struct usb_attach_arg *uaa = aux; 246 247 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 248 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 249 } 250 251 Static int 252 zyd_attachhook(void *xsc) 253 { 254 struct zyd_softc *sc = xsc; 255 firmware_handle_t fwh; 256 const char *fwname; 257 u_char *fw; 258 size_t size; 259 int error; 260 261 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 262 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 263 aprint_error_dev(sc->sc_dev, 264 "failed to open firmware %s (error=%d)\n", fwname, error); 265 return error; 266 } 267 size = firmware_get_size(fwh); 268 fw = firmware_malloc(size); 269 if (fw == NULL) { 270 aprint_error_dev(sc->sc_dev, 271 "failed to allocate firmware memory\n"); 272 firmware_close(fwh); 273 return ENOMEM; 274 } 275 error = firmware_read(fwh, 0, fw, size); 276 firmware_close(fwh); 277 if (error != 0) { 278 aprint_error_dev(sc->sc_dev, 279 "failed to read firmware (error %d)\n", error); 280 firmware_free(fw, 0); 281 return error; 282 } 283 284 error = zyd_loadfirmware(sc, fw, size); 285 if (error != 0) { 286 aprint_error_dev(sc->sc_dev, 287 "could not load firmware (error=%d)\n", error); 288 firmware_free(fw, 0); 289 return ENXIO; 290 } 291 292 firmware_free(fw, 0); 293 sc->sc_flags |= ZD1211_FWLOADED; 294 295 /* complete the attach process */ 296 if ((error = zyd_complete_attach(sc)) == 0) 297 sc->attached = 1; 298 return error; 299 } 300 301 void 302 zyd_attach(device_t parent, device_t self, void *aux) 303 { 304 struct zyd_softc *sc = device_private(self); 305 struct usb_attach_arg *uaa = aux; 306 char *devinfop; 307 usb_device_descriptor_t* ddesc; 308 struct ifnet *ifp = &sc->sc_if; 309 310 sc->sc_dev = self; 311 sc->sc_udev = uaa->device; 312 sc->sc_flags = 0; 313 314 aprint_naive("\n"); 315 aprint_normal("\n"); 316 317 devinfop = usbd_devinfo_alloc(uaa->device, 0); 318 aprint_normal_dev(self, "%s\n", devinfop); 319 usbd_devinfo_free(devinfop); 320 321 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 322 323 ddesc = usbd_get_device_descriptor(sc->sc_udev); 324 if (UGETW(ddesc->bcdDevice) < 0x4330) { 325 aprint_error_dev(self, "device version mismatch: 0x%x " 326 "(only >= 43.30 supported)\n", UGETW(ddesc->bcdDevice)); 327 return; 328 } 329 330 ifp->if_softc = sc; 331 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 332 ifp->if_init = zyd_init; 333 ifp->if_ioctl = zyd_ioctl; 334 ifp->if_start = zyd_start; 335 ifp->if_watchdog = zyd_watchdog; 336 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 337 IFQ_SET_READY(&ifp->if_snd); 338 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 339 340 if_attach(ifp); 341 /* XXXX: alloc temporarily until the layer2 can be configured. */ 342 if_alloc_sadl(ifp); 343 344 SIMPLEQ_INIT(&sc->sc_rqh); 345 346 return; 347 } 348 349 Static int 350 zyd_complete_attach(struct zyd_softc *sc) 351 { 352 struct ieee80211com *ic = &sc->sc_ic; 353 struct ifnet *ifp = &sc->sc_if; 354 usbd_status error; 355 int i; 356 357 usb_init_task(&sc->sc_task, zyd_task, sc); 358 callout_init(&(sc->sc_scan_ch), 0); 359 360 sc->amrr.amrr_min_success_threshold = 1; 361 sc->amrr.amrr_max_success_threshold = 10; 362 callout_init(&sc->sc_amrr_ch, 0); 363 364 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 365 if (error != 0) { 366 aprint_error_dev(sc->sc_dev, "setting config no failed\n"); 367 goto fail; 368 } 369 370 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 371 &sc->sc_iface); 372 if (error != 0) { 373 aprint_error_dev(sc->sc_dev, 374 "getting interface handle failed\n"); 375 goto fail; 376 } 377 378 if ((error = zyd_open_pipes(sc)) != 0) { 379 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 380 goto fail; 381 } 382 383 if ((error = zyd_read_eeprom(sc)) != 0) { 384 aprint_error_dev(sc->sc_dev, "could not read EEPROM\n"); 385 goto fail; 386 } 387 388 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 389 aprint_error_dev(sc->sc_dev, "could not attach RF\n"); 390 goto fail; 391 } 392 393 if ((error = zyd_hw_init(sc)) != 0) { 394 aprint_error_dev(sc->sc_dev, 395 "hardware initialization failed\n"); 396 goto fail; 397 } 398 399 aprint_normal_dev(sc->sc_dev, 400 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 401 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 402 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 403 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 404 405 ic->ic_ifp = ifp; 406 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 407 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 408 ic->ic_state = IEEE80211_S_INIT; 409 410 /* set device capabilities */ 411 ic->ic_caps = 412 IEEE80211_C_MONITOR | /* monitor mode supported */ 413 IEEE80211_C_TXPMGT | /* tx power management */ 414 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 415 IEEE80211_C_WEP; /* s/w WEP */ 416 417 /* set supported .11b and .11g rates */ 418 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 419 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 420 421 /* set supported .11b and .11g channels (1 through 14) */ 422 for (i = 1; i <= 14; i++) { 423 ic->ic_channels[i].ic_freq = 424 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 425 ic->ic_channels[i].ic_flags = 426 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 427 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 428 } 429 430 if_free_sadl(ifp); 431 ieee80211_ifattach(ic); 432 ic->ic_node_alloc = zyd_node_alloc; 433 ic->ic_newassoc = zyd_newassoc; 434 435 /* override state transition machine */ 436 sc->sc_newstate = ic->ic_newstate; 437 ic->ic_newstate = zyd_newstate; 438 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 439 440 #if NBPFILTER > 0 441 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 442 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 443 &sc->sc_drvbpf); 444 445 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 446 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 447 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 448 449 sc->sc_txtap_len = sizeof sc->sc_txtapu; 450 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 451 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 452 #endif 453 454 ieee80211_announce(ic); 455 456 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 457 458 fail: return error; 459 } 460 461 int 462 zyd_detach(device_t self, int flags) 463 { 464 struct zyd_softc *sc = device_private(self); 465 struct ieee80211com *ic = &sc->sc_ic; 466 struct ifnet *ifp = &sc->sc_if; 467 int s; 468 469 if (!sc->attached) { 470 if_free_sadl(ifp); 471 if_detach(ifp); 472 return 0; 473 } 474 475 s = splusb(); 476 477 zyd_stop(ifp, 1); 478 usb_rem_task(sc->sc_udev, &sc->sc_task); 479 callout_stop(&sc->sc_scan_ch); 480 callout_stop(&sc->sc_amrr_ch); 481 482 zyd_close_pipes(sc); 483 484 sc->attached = 0; 485 486 #if NBPFILTER > 0 487 bpfdetach(ifp); 488 #endif 489 ieee80211_ifdetach(ic); 490 if_detach(ifp); 491 492 splx(s); 493 494 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 495 USBDEV(sc->sc_dev)); 496 497 return 0; 498 } 499 500 Static int 501 zyd_open_pipes(struct zyd_softc *sc) 502 { 503 usb_endpoint_descriptor_t *edesc; 504 int isize; 505 usbd_status error; 506 507 /* interrupt in */ 508 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 509 if (edesc == NULL) 510 return EINVAL; 511 512 isize = UGETW(edesc->wMaxPacketSize); 513 if (isize == 0) /* should not happen */ 514 return EINVAL; 515 516 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 517 if (sc->ibuf == NULL) 518 return ENOMEM; 519 520 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 521 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 522 USBD_DEFAULT_INTERVAL); 523 if (error != 0) { 524 printf("%s: open rx intr pipe failed: %s\n", 525 device_xname(sc->sc_dev), usbd_errstr(error)); 526 goto fail; 527 } 528 529 /* interrupt out (not necessarily an interrupt pipe) */ 530 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 531 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 532 if (error != 0) { 533 printf("%s: open tx intr pipe failed: %s\n", 534 device_xname(sc->sc_dev), usbd_errstr(error)); 535 goto fail; 536 } 537 538 /* bulk in */ 539 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 540 &sc->zyd_ep[ZYD_ENDPT_BIN]); 541 if (error != 0) { 542 printf("%s: open rx pipe failed: %s\n", 543 device_xname(sc->sc_dev), usbd_errstr(error)); 544 goto fail; 545 } 546 547 /* bulk out */ 548 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 549 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 550 if (error != 0) { 551 printf("%s: open tx pipe failed: %s\n", 552 device_xname(sc->sc_dev), usbd_errstr(error)); 553 goto fail; 554 } 555 556 return 0; 557 558 fail: zyd_close_pipes(sc); 559 return error; 560 } 561 562 Static void 563 zyd_close_pipes(struct zyd_softc *sc) 564 { 565 int i; 566 567 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 568 if (sc->zyd_ep[i] != NULL) { 569 usbd_abort_pipe(sc->zyd_ep[i]); 570 usbd_close_pipe(sc->zyd_ep[i]); 571 sc->zyd_ep[i] = NULL; 572 } 573 } 574 if (sc->ibuf != NULL) { 575 free(sc->ibuf, M_USBDEV); 576 sc->ibuf = NULL; 577 } 578 } 579 580 Static int 581 zyd_alloc_tx_list(struct zyd_softc *sc) 582 { 583 int i, error; 584 585 sc->tx_queued = 0; 586 587 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 588 struct zyd_tx_data *data = &sc->tx_data[i]; 589 590 data->sc = sc; /* backpointer for callbacks */ 591 592 data->xfer = usbd_alloc_xfer(sc->sc_udev); 593 if (data->xfer == NULL) { 594 printf("%s: could not allocate tx xfer\n", 595 device_xname(sc->sc_dev)); 596 error = ENOMEM; 597 goto fail; 598 } 599 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 600 if (data->buf == NULL) { 601 printf("%s: could not allocate tx buffer\n", 602 device_xname(sc->sc_dev)); 603 error = ENOMEM; 604 goto fail; 605 } 606 607 /* clear Tx descriptor */ 608 memset(data->buf, 0, sizeof (struct zyd_tx_desc)); 609 } 610 return 0; 611 612 fail: zyd_free_tx_list(sc); 613 return error; 614 } 615 616 Static void 617 zyd_free_tx_list(struct zyd_softc *sc) 618 { 619 int i; 620 621 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 622 struct zyd_tx_data *data = &sc->tx_data[i]; 623 624 if (data->xfer != NULL) { 625 usbd_free_xfer(data->xfer); 626 data->xfer = NULL; 627 } 628 if (data->ni != NULL) { 629 ieee80211_free_node(data->ni); 630 data->ni = NULL; 631 } 632 } 633 } 634 635 Static int 636 zyd_alloc_rx_list(struct zyd_softc *sc) 637 { 638 int i, error; 639 640 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 641 struct zyd_rx_data *data = &sc->rx_data[i]; 642 643 data->sc = sc; /* backpointer for callbacks */ 644 645 data->xfer = usbd_alloc_xfer(sc->sc_udev); 646 if (data->xfer == NULL) { 647 printf("%s: could not allocate rx xfer\n", 648 device_xname(sc->sc_dev)); 649 error = ENOMEM; 650 goto fail; 651 } 652 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 653 if (data->buf == NULL) { 654 printf("%s: could not allocate rx buffer\n", 655 device_xname(sc->sc_dev)); 656 error = ENOMEM; 657 goto fail; 658 } 659 } 660 return 0; 661 662 fail: zyd_free_rx_list(sc); 663 return error; 664 } 665 666 Static void 667 zyd_free_rx_list(struct zyd_softc *sc) 668 { 669 int i; 670 671 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 672 struct zyd_rx_data *data = &sc->rx_data[i]; 673 674 if (data->xfer != NULL) { 675 usbd_free_xfer(data->xfer); 676 data->xfer = NULL; 677 } 678 } 679 } 680 681 /* ARGUSED */ 682 Static struct ieee80211_node * 683 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 684 { 685 struct zyd_node *zn; 686 687 zn = malloc(sizeof (struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 688 689 return &zn->ni; 690 } 691 692 Static int 693 zyd_media_change(struct ifnet *ifp) 694 { 695 int error; 696 697 error = ieee80211_media_change(ifp); 698 if (error != ENETRESET) 699 return error; 700 701 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 702 zyd_init(ifp); 703 704 return 0; 705 } 706 707 /* 708 * This function is called periodically (every 200ms) during scanning to 709 * switch from one channel to another. 710 */ 711 Static void 712 zyd_next_scan(void *arg) 713 { 714 struct zyd_softc *sc = arg; 715 struct ieee80211com *ic = &sc->sc_ic; 716 717 if (ic->ic_state == IEEE80211_S_SCAN) 718 ieee80211_next_scan(ic); 719 } 720 721 Static void 722 zyd_task(void *arg) 723 { 724 struct zyd_softc *sc = arg; 725 struct ieee80211com *ic = &sc->sc_ic; 726 enum ieee80211_state ostate; 727 728 ostate = ic->ic_state; 729 730 switch (sc->sc_state) { 731 case IEEE80211_S_INIT: 732 if (ostate == IEEE80211_S_RUN) { 733 /* turn link LED off */ 734 zyd_set_led(sc, ZYD_LED1, 0); 735 736 /* stop data LED from blinking */ 737 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 738 } 739 break; 740 741 case IEEE80211_S_SCAN: 742 zyd_set_chan(sc, ic->ic_curchan); 743 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 744 break; 745 746 case IEEE80211_S_AUTH: 747 case IEEE80211_S_ASSOC: 748 zyd_set_chan(sc, ic->ic_curchan); 749 break; 750 751 case IEEE80211_S_RUN: 752 { 753 struct ieee80211_node *ni = ic->ic_bss; 754 755 zyd_set_chan(sc, ic->ic_curchan); 756 757 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 758 /* turn link LED on */ 759 zyd_set_led(sc, ZYD_LED1, 1); 760 761 /* make data LED blink upon Tx */ 762 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 763 764 zyd_set_bssid(sc, ni->ni_bssid); 765 } 766 767 if (ic->ic_opmode == IEEE80211_M_STA) { 768 /* fake a join to init the tx rate */ 769 zyd_newassoc(ni, 1); 770 } 771 772 /* start automatic rate control timer */ 773 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 774 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 775 776 break; 777 } 778 } 779 780 sc->sc_newstate(ic, sc->sc_state, -1); 781 } 782 783 Static int 784 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 785 { 786 struct zyd_softc *sc = ic->ic_ifp->if_softc; 787 788 if (!sc->attached) 789 return ENXIO; 790 791 usb_rem_task(sc->sc_udev, &sc->sc_task); 792 callout_stop(&sc->sc_scan_ch); 793 callout_stop(&sc->sc_amrr_ch); 794 795 /* do it in a process context */ 796 sc->sc_state = nstate; 797 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 798 799 return 0; 800 } 801 802 Static int 803 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 804 void *odata, int olen, u_int flags) 805 { 806 usbd_xfer_handle xfer; 807 struct zyd_cmd cmd; 808 struct rq rq; 809 uint16_t xferflags; 810 usbd_status error; 811 int s = 0; 812 813 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 814 return ENOMEM; 815 816 cmd.code = htole16(code); 817 bcopy(idata, cmd.data, ilen); 818 819 xferflags = USBD_FORCE_SHORT_XFER; 820 if (!(flags & ZYD_CMD_FLAG_READ)) 821 xferflags |= USBD_SYNCHRONOUS; 822 else { 823 s = splusb(); 824 rq.idata = idata; 825 rq.odata = odata; 826 rq.len = olen / sizeof (struct zyd_pair); 827 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 828 } 829 830 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 831 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 832 error = usbd_transfer(xfer); 833 if (error != USBD_IN_PROGRESS && error != 0) { 834 if (flags & ZYD_CMD_FLAG_READ) 835 splx(s); 836 printf("%s: could not send command (error=%s)\n", 837 device_xname(sc->sc_dev), usbd_errstr(error)); 838 (void)usbd_free_xfer(xfer); 839 return EIO; 840 } 841 if (!(flags & ZYD_CMD_FLAG_READ)) { 842 (void)usbd_free_xfer(xfer); 843 return 0; /* write: don't wait for reply */ 844 } 845 /* wait at most one second for command reply */ 846 error = tsleep(odata, PCATCH, "zydcmd", hz); 847 if (error == EWOULDBLOCK) 848 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 849 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 850 splx(s); 851 852 (void)usbd_free_xfer(xfer); 853 return error; 854 } 855 856 Static int 857 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 858 { 859 struct zyd_pair tmp; 860 int error; 861 862 reg = htole16(reg); 863 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 864 ZYD_CMD_FLAG_READ); 865 if (error == 0) 866 *val = le16toh(tmp.val); 867 return error; 868 } 869 870 Static int 871 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 872 { 873 struct zyd_pair tmp[2]; 874 uint16_t regs[2]; 875 int error; 876 877 regs[0] = htole16(ZYD_REG32_HI(reg)); 878 regs[1] = htole16(ZYD_REG32_LO(reg)); 879 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 880 ZYD_CMD_FLAG_READ); 881 if (error == 0) 882 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 883 return error; 884 } 885 886 Static int 887 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 888 { 889 struct zyd_pair pair; 890 891 pair.reg = htole16(reg); 892 pair.val = htole16(val); 893 894 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 895 } 896 897 Static int 898 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 899 { 900 struct zyd_pair pair[2]; 901 902 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 903 pair[0].val = htole16(val >> 16); 904 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 905 pair[1].val = htole16(val & 0xffff); 906 907 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 908 } 909 910 Static int 911 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 912 { 913 struct zyd_rf *rf = &sc->sc_rf; 914 struct zyd_rfwrite req; 915 uint16_t cr203; 916 int i; 917 918 (void)zyd_read16(sc, ZYD_CR203, &cr203); 919 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 920 921 req.code = htole16(2); 922 req.width = htole16(rf->width); 923 for (i = 0; i < rf->width; i++) { 924 req.bit[i] = htole16(cr203); 925 if (val & (1 << (rf->width - 1 - i))) 926 req.bit[i] |= htole16(ZYD_RF_DATA); 927 } 928 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 929 } 930 931 Static void 932 zyd_lock_phy(struct zyd_softc *sc) 933 { 934 uint32_t tmp; 935 936 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 937 tmp &= ~ZYD_UNLOCK_PHY_REGS; 938 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 939 } 940 941 Static void 942 zyd_unlock_phy(struct zyd_softc *sc) 943 { 944 uint32_t tmp; 945 946 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 947 tmp |= ZYD_UNLOCK_PHY_REGS; 948 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 949 } 950 951 /* 952 * RFMD RF methods. 953 */ 954 Static int 955 zyd_rfmd_init(struct zyd_rf *rf) 956 { 957 #define N(a) (sizeof (a) / sizeof ((a)[0])) 958 struct zyd_softc *sc = rf->rf_sc; 959 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 960 static const uint32_t rfini[] = ZYD_RFMD_RF; 961 int i, error; 962 963 /* init RF-dependent PHY registers */ 964 for (i = 0; i < N(phyini); i++) { 965 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 966 if (error != 0) 967 return error; 968 } 969 970 /* init RFMD radio */ 971 for (i = 0; i < N(rfini); i++) { 972 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 973 return error; 974 } 975 return 0; 976 #undef N 977 } 978 979 Static int 980 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 981 { 982 struct zyd_softc *sc = rf->rf_sc; 983 984 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 985 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 986 987 return 0; 988 } 989 990 Static int 991 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 992 { 993 struct zyd_softc *sc = rf->rf_sc; 994 static const struct { 995 uint32_t r1, r2; 996 } rfprog[] = ZYD_RFMD_CHANTABLE; 997 998 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 999 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1000 1001 return 0; 1002 } 1003 1004 /* 1005 * AL2230 RF methods. 1006 */ 1007 Static int 1008 zyd_al2230_init(struct zyd_rf *rf) 1009 { 1010 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1011 struct zyd_softc *sc = rf->rf_sc; 1012 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1013 static const uint32_t rfini[] = ZYD_AL2230_RF; 1014 int i, error; 1015 1016 /* init RF-dependent PHY registers */ 1017 for (i = 0; i < N(phyini); i++) { 1018 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1019 if (error != 0) 1020 return error; 1021 } 1022 1023 /* init AL2230 radio */ 1024 for (i = 0; i < N(rfini); i++) { 1025 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1026 return error; 1027 } 1028 return 0; 1029 #undef N 1030 } 1031 1032 Static int 1033 zyd_al2230_init_b(struct zyd_rf *rf) 1034 { 1035 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1036 struct zyd_softc *sc = rf->rf_sc; 1037 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1038 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1039 int i, error; 1040 1041 /* init RF-dependent PHY registers */ 1042 for (i = 0; i < N(phyini); i++) { 1043 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1044 if (error != 0) 1045 return error; 1046 } 1047 1048 /* init AL2230 radio */ 1049 for (i = 0; i < N(rfini); i++) { 1050 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1051 return error; 1052 } 1053 return 0; 1054 #undef N 1055 } 1056 1057 Static int 1058 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1059 { 1060 struct zyd_softc *sc = rf->rf_sc; 1061 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1062 1063 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1064 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1065 1066 return 0; 1067 } 1068 1069 Static int 1070 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1071 { 1072 struct zyd_softc *sc = rf->rf_sc; 1073 static const struct { 1074 uint32_t r1, r2, r3; 1075 } rfprog[] = ZYD_AL2230_CHANTABLE; 1076 1077 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1078 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1079 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1080 1081 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1082 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1083 1084 return 0; 1085 } 1086 1087 /* 1088 * AL7230B RF methods. 1089 */ 1090 Static int 1091 zyd_al7230B_init(struct zyd_rf *rf) 1092 { 1093 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1094 struct zyd_softc *sc = rf->rf_sc; 1095 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1096 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1097 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1098 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1099 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1100 int i, error; 1101 1102 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1103 1104 /* init RF-dependent PHY registers, part one */ 1105 for (i = 0; i < N(phyini_1); i++) { 1106 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1107 if (error != 0) 1108 return error; 1109 } 1110 /* init AL7230B radio, part one */ 1111 for (i = 0; i < N(rfini_1); i++) { 1112 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1113 return error; 1114 } 1115 /* init RF-dependent PHY registers, part two */ 1116 for (i = 0; i < N(phyini_2); i++) { 1117 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1118 if (error != 0) 1119 return error; 1120 } 1121 /* init AL7230B radio, part two */ 1122 for (i = 0; i < N(rfini_2); i++) { 1123 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1124 return error; 1125 } 1126 /* init RF-dependent PHY registers, part three */ 1127 for (i = 0; i < N(phyini_3); i++) { 1128 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1129 if (error != 0) 1130 return error; 1131 } 1132 1133 return 0; 1134 #undef N 1135 } 1136 1137 Static int 1138 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1139 { 1140 struct zyd_softc *sc = rf->rf_sc; 1141 1142 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1143 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1144 1145 return 0; 1146 } 1147 1148 Static int 1149 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1150 { 1151 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1152 struct zyd_softc *sc = rf->rf_sc; 1153 static const struct { 1154 uint32_t r1, r2; 1155 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1156 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1157 int i, error; 1158 1159 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1160 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1161 1162 for (i = 0; i < N(rfsc); i++) { 1163 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1164 return error; 1165 } 1166 1167 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1168 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1169 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1170 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1171 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1172 1173 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1174 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1175 (void)zyd_rfwrite(sc, 0x3c9000); 1176 1177 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1178 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1179 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1180 1181 return 0; 1182 #undef N 1183 } 1184 1185 /* 1186 * AL2210 RF methods. 1187 */ 1188 Static int 1189 zyd_al2210_init(struct zyd_rf *rf) 1190 { 1191 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1192 struct zyd_softc *sc = rf->rf_sc; 1193 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1194 static const uint32_t rfini[] = ZYD_AL2210_RF; 1195 uint32_t tmp; 1196 int i, error; 1197 1198 (void)zyd_write32(sc, ZYD_CR18, 2); 1199 1200 /* init RF-dependent PHY registers */ 1201 for (i = 0; i < N(phyini); i++) { 1202 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1203 if (error != 0) 1204 return error; 1205 } 1206 /* init AL2210 radio */ 1207 for (i = 0; i < N(rfini); i++) { 1208 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1209 return error; 1210 } 1211 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1212 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1213 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1214 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1215 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1216 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1217 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1218 (void)zyd_write32(sc, ZYD_CR18, 3); 1219 1220 return 0; 1221 #undef N 1222 } 1223 1224 Static int 1225 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1226 { 1227 /* vendor driver does nothing for this RF chip */ 1228 1229 return 0; 1230 } 1231 1232 Static int 1233 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1234 { 1235 struct zyd_softc *sc = rf->rf_sc; 1236 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1237 uint32_t tmp; 1238 1239 (void)zyd_write32(sc, ZYD_CR18, 2); 1240 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1241 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1242 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1243 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1244 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1245 1246 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1247 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1248 1249 /* actually set the channel */ 1250 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1251 1252 (void)zyd_write32(sc, ZYD_CR18, 3); 1253 1254 return 0; 1255 } 1256 1257 /* 1258 * GCT RF methods. 1259 */ 1260 Static int 1261 zyd_gct_init(struct zyd_rf *rf) 1262 { 1263 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1264 struct zyd_softc *sc = rf->rf_sc; 1265 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1266 static const uint32_t rfini[] = ZYD_GCT_RF; 1267 int i, error; 1268 1269 /* init RF-dependent PHY registers */ 1270 for (i = 0; i < N(phyini); i++) { 1271 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1272 if (error != 0) 1273 return error; 1274 } 1275 /* init cgt radio */ 1276 for (i = 0; i < N(rfini); i++) { 1277 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1278 return error; 1279 } 1280 return 0; 1281 #undef N 1282 } 1283 1284 Static int 1285 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1286 { 1287 /* vendor driver does nothing for this RF chip */ 1288 1289 return 0; 1290 } 1291 1292 Static int 1293 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1294 { 1295 struct zyd_softc *sc = rf->rf_sc; 1296 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1297 1298 (void)zyd_rfwrite(sc, 0x1c0000); 1299 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1300 (void)zyd_rfwrite(sc, 0x1c0008); 1301 1302 return 0; 1303 } 1304 1305 /* 1306 * Maxim RF methods. 1307 */ 1308 Static int 1309 zyd_maxim_init(struct zyd_rf *rf) 1310 { 1311 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1312 struct zyd_softc *sc = rf->rf_sc; 1313 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1314 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1315 uint16_t tmp; 1316 int i, error; 1317 1318 /* init RF-dependent PHY registers */ 1319 for (i = 0; i < N(phyini); i++) { 1320 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1321 if (error != 0) 1322 return error; 1323 } 1324 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1325 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1326 1327 /* init maxim radio */ 1328 for (i = 0; i < N(rfini); i++) { 1329 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1330 return error; 1331 } 1332 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1333 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1334 1335 return 0; 1336 #undef N 1337 } 1338 1339 Static int 1340 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1341 { 1342 /* vendor driver does nothing for this RF chip */ 1343 1344 return 0; 1345 } 1346 1347 Static int 1348 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1349 { 1350 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1351 struct zyd_softc *sc = rf->rf_sc; 1352 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1353 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1354 static const struct { 1355 uint32_t r1, r2; 1356 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1357 uint16_t tmp; 1358 int i, error; 1359 1360 /* 1361 * Do the same as we do when initializing it, except for the channel 1362 * values coming from the two channel tables. 1363 */ 1364 1365 /* init RF-dependent PHY registers */ 1366 for (i = 0; i < N(phyini); i++) { 1367 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1368 if (error != 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 /* first two values taken from the chantables */ 1375 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1376 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1377 1378 /* init maxim radio - skipping the two first values */ 1379 for (i = 2; i < N(rfini); i++) { 1380 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1381 return error; 1382 } 1383 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1384 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1385 1386 return 0; 1387 #undef N 1388 } 1389 1390 /* 1391 * Maxim2 RF methods. 1392 */ 1393 Static int 1394 zyd_maxim2_init(struct zyd_rf *rf) 1395 { 1396 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1397 struct zyd_softc *sc = rf->rf_sc; 1398 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1399 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1400 uint16_t tmp; 1401 int i, error; 1402 1403 /* init RF-dependent PHY registers */ 1404 for (i = 0; i < N(phyini); i++) { 1405 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1406 if (error != 0) 1407 return error; 1408 } 1409 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1410 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1411 1412 /* init maxim2 radio */ 1413 for (i = 0; i < N(rfini); i++) { 1414 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1415 return error; 1416 } 1417 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1418 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1419 1420 return 0; 1421 #undef N 1422 } 1423 1424 Static int 1425 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1426 { 1427 /* vendor driver does nothing for this RF chip */ 1428 1429 return 0; 1430 } 1431 1432 Static int 1433 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1434 { 1435 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1436 struct zyd_softc *sc = rf->rf_sc; 1437 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1438 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1439 static const struct { 1440 uint32_t r1, r2; 1441 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1442 uint16_t tmp; 1443 int i, error; 1444 1445 /* 1446 * Do the same as we do when initializing it, except for the channel 1447 * values coming from the two channel tables. 1448 */ 1449 1450 /* init RF-dependent PHY registers */ 1451 for (i = 0; i < N(phyini); i++) { 1452 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1453 if (error != 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 /* first two values taken from the chantables */ 1460 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1461 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1462 1463 /* init maxim2 radio - skipping the two first values */ 1464 for (i = 2; i < N(rfini); i++) { 1465 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1466 return error; 1467 } 1468 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1469 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1470 1471 return 0; 1472 #undef N 1473 } 1474 1475 Static int 1476 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1477 { 1478 struct zyd_rf *rf = &sc->sc_rf; 1479 1480 rf->rf_sc = sc; 1481 1482 switch (type) { 1483 case ZYD_RF_RFMD: 1484 rf->init = zyd_rfmd_init; 1485 rf->switch_radio = zyd_rfmd_switch_radio; 1486 rf->set_channel = zyd_rfmd_set_channel; 1487 rf->width = 24; /* 24-bit RF values */ 1488 break; 1489 case ZYD_RF_AL2230: 1490 if (sc->mac_rev == ZYD_ZD1211B) 1491 rf->init = zyd_al2230_init_b; 1492 else 1493 rf->init = zyd_al2230_init; 1494 rf->switch_radio = zyd_al2230_switch_radio; 1495 rf->set_channel = zyd_al2230_set_channel; 1496 rf->width = 24; /* 24-bit RF values */ 1497 break; 1498 case ZYD_RF_AL7230B: 1499 rf->init = zyd_al7230B_init; 1500 rf->switch_radio = zyd_al7230B_switch_radio; 1501 rf->set_channel = zyd_al7230B_set_channel; 1502 rf->width = 24; /* 24-bit RF values */ 1503 break; 1504 case ZYD_RF_AL2210: 1505 rf->init = zyd_al2210_init; 1506 rf->switch_radio = zyd_al2210_switch_radio; 1507 rf->set_channel = zyd_al2210_set_channel; 1508 rf->width = 24; /* 24-bit RF values */ 1509 break; 1510 case ZYD_RF_GCT: 1511 rf->init = zyd_gct_init; 1512 rf->switch_radio = zyd_gct_switch_radio; 1513 rf->set_channel = zyd_gct_set_channel; 1514 rf->width = 21; /* 21-bit RF values */ 1515 break; 1516 case ZYD_RF_MAXIM_NEW: 1517 rf->init = zyd_maxim_init; 1518 rf->switch_radio = zyd_maxim_switch_radio; 1519 rf->set_channel = zyd_maxim_set_channel; 1520 rf->width = 18; /* 18-bit RF values */ 1521 break; 1522 case ZYD_RF_MAXIM_NEW2: 1523 rf->init = zyd_maxim2_init; 1524 rf->switch_radio = zyd_maxim2_switch_radio; 1525 rf->set_channel = zyd_maxim2_set_channel; 1526 rf->width = 18; /* 18-bit RF values */ 1527 break; 1528 default: 1529 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1530 device_xname(sc->sc_dev), zyd_rf_name(type)); 1531 return EINVAL; 1532 } 1533 return 0; 1534 } 1535 1536 Static const char * 1537 zyd_rf_name(uint8_t type) 1538 { 1539 static const char * const zyd_rfs[] = { 1540 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1541 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1542 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1543 "PHILIPS" 1544 }; 1545 1546 return zyd_rfs[(type > 15) ? 0 : type]; 1547 } 1548 1549 Static int 1550 zyd_hw_init(struct zyd_softc *sc) 1551 { 1552 struct zyd_rf *rf = &sc->sc_rf; 1553 const struct zyd_phy_pair *phyp; 1554 int error; 1555 1556 /* specify that the plug and play is finished */ 1557 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1558 1559 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1560 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1561 1562 /* retrieve firmware revision number */ 1563 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1564 1565 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1566 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1567 1568 /* disable interrupts */ 1569 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1570 1571 /* PHY init */ 1572 zyd_lock_phy(sc); 1573 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1574 for (; phyp->reg != 0; phyp++) { 1575 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1576 goto fail; 1577 } 1578 zyd_unlock_phy(sc); 1579 1580 /* HMAC init */ 1581 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1582 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1583 1584 if (sc->mac_rev == ZYD_ZD1211) { 1585 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1586 } else { 1587 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1588 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1589 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1590 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1591 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1592 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1593 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1594 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1595 } 1596 1597 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1598 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1599 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1600 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1601 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1602 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1603 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1604 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1605 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1606 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1607 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1608 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1609 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1610 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1611 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1612 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1613 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1614 1615 /* RF chip init */ 1616 zyd_lock_phy(sc); 1617 error = (*rf->init)(rf); 1618 zyd_unlock_phy(sc); 1619 if (error != 0) { 1620 printf("%s: radio initialization failed\n", 1621 device_xname(sc->sc_dev)); 1622 goto fail; 1623 } 1624 1625 /* init beacon interval to 100ms */ 1626 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1627 goto fail; 1628 1629 fail: return error; 1630 } 1631 1632 Static int 1633 zyd_read_eeprom(struct zyd_softc *sc) 1634 { 1635 struct ieee80211com *ic = &sc->sc_ic; 1636 uint32_t tmp; 1637 uint16_t val; 1638 int i; 1639 1640 /* read MAC address */ 1641 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1642 ic->ic_myaddr[0] = tmp & 0xff; 1643 ic->ic_myaddr[1] = tmp >> 8; 1644 ic->ic_myaddr[2] = tmp >> 16; 1645 ic->ic_myaddr[3] = tmp >> 24; 1646 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1647 ic->ic_myaddr[4] = tmp & 0xff; 1648 ic->ic_myaddr[5] = tmp >> 8; 1649 1650 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1651 sc->rf_rev = tmp & 0x0f; 1652 sc->pa_rev = (tmp >> 16) & 0x0f; 1653 1654 /* read regulatory domain (currently unused) */ 1655 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1656 sc->regdomain = tmp >> 16; 1657 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1658 1659 /* read Tx power calibration tables */ 1660 for (i = 0; i < 7; i++) { 1661 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1662 sc->pwr_cal[i * 2] = val >> 8; 1663 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1664 1665 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1666 sc->pwr_int[i * 2] = val >> 8; 1667 sc->pwr_int[i * 2 + 1] = val & 0xff; 1668 1669 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1670 sc->ofdm36_cal[i * 2] = val >> 8; 1671 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1672 1673 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1674 sc->ofdm48_cal[i * 2] = val >> 8; 1675 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1676 1677 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1678 sc->ofdm54_cal[i * 2] = val >> 8; 1679 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1680 } 1681 return 0; 1682 } 1683 1684 Static int 1685 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1686 { 1687 uint32_t tmp; 1688 1689 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1690 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1691 1692 tmp = addr[5] << 8 | addr[4]; 1693 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1694 1695 return 0; 1696 } 1697 1698 Static int 1699 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1700 { 1701 uint32_t tmp; 1702 1703 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1704 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1705 1706 tmp = addr[5] << 8 | addr[4]; 1707 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1708 1709 return 0; 1710 } 1711 1712 Static int 1713 zyd_switch_radio(struct zyd_softc *sc, int on) 1714 { 1715 struct zyd_rf *rf = &sc->sc_rf; 1716 int error; 1717 1718 zyd_lock_phy(sc); 1719 error = (*rf->switch_radio)(rf, on); 1720 zyd_unlock_phy(sc); 1721 1722 return error; 1723 } 1724 1725 Static void 1726 zyd_set_led(struct zyd_softc *sc, int which, int on) 1727 { 1728 uint32_t tmp; 1729 1730 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1731 tmp &= ~which; 1732 if (on) 1733 tmp |= which; 1734 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1735 } 1736 1737 Static int 1738 zyd_set_rxfilter(struct zyd_softc *sc) 1739 { 1740 uint32_t rxfilter; 1741 1742 switch (sc->sc_ic.ic_opmode) { 1743 case IEEE80211_M_STA: 1744 rxfilter = ZYD_FILTER_BSS; 1745 break; 1746 case IEEE80211_M_IBSS: 1747 case IEEE80211_M_HOSTAP: 1748 rxfilter = ZYD_FILTER_HOSTAP; 1749 break; 1750 case IEEE80211_M_MONITOR: 1751 rxfilter = ZYD_FILTER_MONITOR; 1752 break; 1753 default: 1754 /* should not get there */ 1755 return EINVAL; 1756 } 1757 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1758 } 1759 1760 Static void 1761 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1762 { 1763 struct ieee80211com *ic = &sc->sc_ic; 1764 struct zyd_rf *rf = &sc->sc_rf; 1765 u_int chan; 1766 1767 chan = ieee80211_chan2ieee(ic, c); 1768 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1769 return; 1770 1771 zyd_lock_phy(sc); 1772 1773 (*rf->set_channel)(rf, chan); 1774 1775 /* update Tx power */ 1776 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1777 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1778 1779 if (sc->mac_rev == ZYD_ZD1211B) { 1780 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1781 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1782 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1783 1784 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1785 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1786 } 1787 1788 zyd_unlock_phy(sc); 1789 } 1790 1791 Static int 1792 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1793 { 1794 /* XXX this is probably broken.. */ 1795 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1796 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1797 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1798 1799 return 0; 1800 } 1801 1802 Static uint8_t 1803 zyd_plcp_signal(int rate) 1804 { 1805 switch (rate) { 1806 /* CCK rates (returned values are device-dependent) */ 1807 case 2: return 0x0; 1808 case 4: return 0x1; 1809 case 11: return 0x2; 1810 case 22: return 0x3; 1811 1812 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1813 case 12: return 0xb; 1814 case 18: return 0xf; 1815 case 24: return 0xa; 1816 case 36: return 0xe; 1817 case 48: return 0x9; 1818 case 72: return 0xd; 1819 case 96: return 0x8; 1820 case 108: return 0xc; 1821 1822 /* unsupported rates (should not get there) */ 1823 default: return 0xff; 1824 } 1825 } 1826 1827 Static void 1828 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1829 { 1830 struct zyd_softc *sc = (struct zyd_softc *)priv; 1831 struct zyd_cmd *cmd; 1832 uint32_t datalen; 1833 1834 if (status != USBD_NORMAL_COMPLETION) { 1835 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1836 return; 1837 1838 if (status == USBD_STALLED) { 1839 usbd_clear_endpoint_stall_async( 1840 sc->zyd_ep[ZYD_ENDPT_IIN]); 1841 } 1842 return; 1843 } 1844 1845 cmd = (struct zyd_cmd *)sc->ibuf; 1846 1847 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1848 struct zyd_notif_retry *retry = 1849 (struct zyd_notif_retry *)cmd->data; 1850 struct ieee80211com *ic = &sc->sc_ic; 1851 struct ifnet *ifp = &sc->sc_if; 1852 struct ieee80211_node *ni; 1853 1854 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1855 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1856 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1857 1858 /* 1859 * Find the node to which the packet was sent and update its 1860 * retry statistics. In BSS mode, this node is the AP we're 1861 * associated to so no lookup is actually needed. 1862 */ 1863 if (ic->ic_opmode != IEEE80211_M_STA) { 1864 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1865 if (ni == NULL) 1866 return; /* just ignore */ 1867 } else 1868 ni = ic->ic_bss; 1869 1870 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1871 1872 if (le16toh(retry->count) & 0x100) 1873 ifp->if_oerrors++; /* too many retries */ 1874 1875 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1876 struct rq *rqp; 1877 1878 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1879 return; /* HMAC interrupt */ 1880 1881 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1882 datalen -= sizeof(cmd->code); 1883 datalen -= 2; /* XXX: padding? */ 1884 1885 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1886 int i; 1887 1888 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1889 continue; 1890 for (i = 0; i < rqp->len; i++) { 1891 if (*(((const uint16_t *)rqp->idata) + i) != 1892 (((struct zyd_pair *)cmd->data) + i)->reg) 1893 break; 1894 } 1895 if (i != rqp->len) 1896 continue; 1897 1898 /* copy answer into caller-supplied buffer */ 1899 bcopy(cmd->data, rqp->odata, 1900 sizeof(struct zyd_pair) * rqp->len); 1901 wakeup(rqp->odata); /* wakeup caller */ 1902 1903 return; 1904 } 1905 return; /* unexpected IORD notification */ 1906 } else { 1907 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1908 le16toh(cmd->code)); 1909 } 1910 } 1911 1912 Static void 1913 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1914 { 1915 struct ieee80211com *ic = &sc->sc_ic; 1916 struct ifnet *ifp = &sc->sc_if; 1917 struct ieee80211_node *ni; 1918 struct ieee80211_frame *wh; 1919 const struct zyd_plcphdr *plcp; 1920 const struct zyd_rx_stat *stat; 1921 struct mbuf *m; 1922 int rlen, s; 1923 1924 if (len < ZYD_MIN_FRAGSZ) { 1925 printf("%s: frame too short (length=%d)\n", 1926 device_xname(sc->sc_dev), len); 1927 ifp->if_ierrors++; 1928 return; 1929 } 1930 1931 plcp = (const struct zyd_plcphdr *)buf; 1932 stat = (const struct zyd_rx_stat *) 1933 (buf + len - sizeof (struct zyd_rx_stat)); 1934 1935 if (stat->flags & ZYD_RX_ERROR) { 1936 DPRINTF(("%s: RX status indicated error (%x)\n", 1937 device_xname(sc->sc_dev), stat->flags)); 1938 ifp->if_ierrors++; 1939 return; 1940 } 1941 1942 /* compute actual frame length */ 1943 rlen = len - sizeof (struct zyd_plcphdr) - 1944 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1945 1946 /* allocate a mbuf to store the frame */ 1947 MGETHDR(m, M_DONTWAIT, MT_DATA); 1948 if (m == NULL) { 1949 printf("%s: could not allocate rx mbuf\n", 1950 device_xname(sc->sc_dev)); 1951 ifp->if_ierrors++; 1952 return; 1953 } 1954 if (rlen > MHLEN) { 1955 MCLGET(m, M_DONTWAIT); 1956 if (!(m->m_flags & M_EXT)) { 1957 printf("%s: could not allocate rx mbuf cluster\n", 1958 device_xname(sc->sc_dev)); 1959 m_freem(m); 1960 ifp->if_ierrors++; 1961 return; 1962 } 1963 } 1964 m->m_pkthdr.rcvif = ifp; 1965 m->m_pkthdr.len = m->m_len = rlen; 1966 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1967 1968 s = splnet(); 1969 1970 #if NBPFILTER > 0 1971 if (sc->sc_drvbpf != NULL) { 1972 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1973 static const uint8_t rates[] = { 1974 /* reverse function of zyd_plcp_signal() */ 1975 2, 4, 11, 22, 0, 0, 0, 0, 1976 96, 48, 24, 12, 108, 72, 36, 18 1977 }; 1978 1979 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1980 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1981 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1982 tap->wr_rssi = stat->rssi; 1983 tap->wr_rate = rates[plcp->signal & 0xf]; 1984 1985 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1986 } 1987 #endif 1988 1989 wh = mtod(m, struct ieee80211_frame *); 1990 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1991 ieee80211_input(ic, m, ni, stat->rssi, 0); 1992 1993 /* node is no longer needed */ 1994 ieee80211_free_node(ni); 1995 1996 splx(s); 1997 } 1998 1999 Static void 2000 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2001 { 2002 struct zyd_rx_data *data = priv; 2003 struct zyd_softc *sc = data->sc; 2004 struct ifnet *ifp = &sc->sc_if; 2005 const struct zyd_rx_desc *desc; 2006 int len; 2007 2008 if (status != USBD_NORMAL_COMPLETION) { 2009 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2010 return; 2011 2012 if (status == USBD_STALLED) 2013 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2014 2015 goto skip; 2016 } 2017 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2018 2019 if (len < ZYD_MIN_RXBUFSZ) { 2020 printf("%s: xfer too short (length=%d)\n", 2021 device_xname(sc->sc_dev), len); 2022 ifp->if_ierrors++; 2023 goto skip; 2024 } 2025 2026 desc = (const struct zyd_rx_desc *) 2027 (data->buf + len - sizeof (struct zyd_rx_desc)); 2028 2029 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2030 const uint8_t *p = data->buf, *end = p + len; 2031 int i; 2032 2033 DPRINTFN(3, ("received multi-frame transfer\n")); 2034 2035 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2036 const uint16_t len16 = UGETW(desc->len[i]); 2037 2038 if (len16 == 0 || p + len16 > end) 2039 break; 2040 2041 zyd_rx_data(sc, p, len16); 2042 /* next frame is aligned on a 32-bit boundary */ 2043 p += (len16 + 3) & ~3; 2044 } 2045 } else { 2046 DPRINTFN(3, ("received single-frame transfer\n")); 2047 2048 zyd_rx_data(sc, data->buf, len); 2049 } 2050 2051 skip: /* setup a new transfer */ 2052 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2053 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2054 USBD_NO_TIMEOUT, zyd_rxeof); 2055 (void)usbd_transfer(xfer); 2056 } 2057 2058 Static int 2059 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2060 { 2061 struct ieee80211com *ic = &sc->sc_ic; 2062 struct ifnet *ifp = &sc->sc_if; 2063 struct zyd_tx_desc *desc; 2064 struct zyd_tx_data *data; 2065 struct ieee80211_frame *wh; 2066 struct ieee80211_key *k; 2067 int xferlen, totlen, rate; 2068 uint16_t pktlen; 2069 usbd_status error; 2070 2071 data = &sc->tx_data[0]; 2072 desc = (struct zyd_tx_desc *)data->buf; 2073 2074 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2075 2076 wh = mtod(m0, struct ieee80211_frame *); 2077 2078 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2079 k = ieee80211_crypto_encap(ic, ni, m0); 2080 if (k == NULL) { 2081 m_freem(m0); 2082 return ENOBUFS; 2083 } 2084 } 2085 2086 data->ni = ni; 2087 2088 wh = mtod(m0, struct ieee80211_frame *); 2089 2090 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2091 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2092 2093 /* fill Tx descriptor */ 2094 desc->len = htole16(totlen); 2095 2096 desc->flags = ZYD_TX_FLAG_BACKOFF; 2097 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2098 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2099 if (totlen > ic->ic_rtsthreshold) { 2100 desc->flags |= ZYD_TX_FLAG_RTS; 2101 } else if (ZYD_RATE_IS_OFDM(rate) && 2102 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2103 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2104 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2105 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2106 desc->flags |= ZYD_TX_FLAG_RTS; 2107 } 2108 } else 2109 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2110 2111 if ((wh->i_fc[0] & 2112 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2113 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2114 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2115 2116 desc->phy = zyd_plcp_signal(rate); 2117 if (ZYD_RATE_IS_OFDM(rate)) { 2118 desc->phy |= ZYD_TX_PHY_OFDM; 2119 if (ic->ic_curmode == IEEE80211_MODE_11A) 2120 desc->phy |= ZYD_TX_PHY_5GHZ; 2121 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2122 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2123 2124 /* actual transmit length (XXX why +10?) */ 2125 pktlen = sizeof (struct zyd_tx_desc) + 10; 2126 if (sc->mac_rev == ZYD_ZD1211) 2127 pktlen += totlen; 2128 desc->pktlen = htole16(pktlen); 2129 2130 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2131 desc->plcp_service = 0; 2132 if (rate == 22) { 2133 const int remainder = (16 * totlen) % 22; 2134 if (remainder != 0 && remainder < 7) 2135 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2136 } 2137 2138 #if NBPFILTER > 0 2139 if (sc->sc_drvbpf != NULL) { 2140 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2141 2142 tap->wt_flags = 0; 2143 tap->wt_rate = rate; 2144 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2145 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2146 2147 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2148 } 2149 #endif 2150 2151 m_copydata(m0, 0, m0->m_pkthdr.len, 2152 data->buf + sizeof (struct zyd_tx_desc)); 2153 2154 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2155 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2156 2157 m_freem(m0); /* mbuf no longer needed */ 2158 2159 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2160 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2161 ZYD_TX_TIMEOUT, zyd_txeof); 2162 error = usbd_transfer(data->xfer); 2163 if (error != USBD_IN_PROGRESS && error != 0) { 2164 ifp->if_oerrors++; 2165 return EIO; 2166 } 2167 sc->tx_queued++; 2168 2169 return 0; 2170 } 2171 2172 Static void 2173 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2174 { 2175 struct zyd_tx_data *data = priv; 2176 struct zyd_softc *sc = data->sc; 2177 struct ifnet *ifp = &sc->sc_if; 2178 int s; 2179 2180 if (status != USBD_NORMAL_COMPLETION) { 2181 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2182 return; 2183 2184 printf("%s: could not transmit buffer: %s\n", 2185 device_xname(sc->sc_dev), usbd_errstr(status)); 2186 2187 if (status == USBD_STALLED) { 2188 usbd_clear_endpoint_stall_async( 2189 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2190 } 2191 ifp->if_oerrors++; 2192 return; 2193 } 2194 2195 s = splnet(); 2196 2197 /* update rate control statistics */ 2198 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2199 2200 ieee80211_free_node(data->ni); 2201 data->ni = NULL; 2202 2203 sc->tx_queued--; 2204 ifp->if_opackets++; 2205 2206 sc->tx_timer = 0; 2207 ifp->if_flags &= ~IFF_OACTIVE; 2208 zyd_start(ifp); 2209 2210 splx(s); 2211 } 2212 2213 Static int 2214 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2215 { 2216 struct ieee80211com *ic = &sc->sc_ic; 2217 struct ifnet *ifp = &sc->sc_if; 2218 struct zyd_tx_desc *desc; 2219 struct zyd_tx_data *data; 2220 struct ieee80211_frame *wh; 2221 struct ieee80211_key *k; 2222 int xferlen, totlen, rate; 2223 uint16_t pktlen; 2224 usbd_status error; 2225 2226 wh = mtod(m0, struct ieee80211_frame *); 2227 2228 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2229 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2230 else 2231 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2232 rate &= IEEE80211_RATE_VAL; 2233 2234 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2235 k = ieee80211_crypto_encap(ic, ni, m0); 2236 if (k == NULL) { 2237 m_freem(m0); 2238 return ENOBUFS; 2239 } 2240 2241 /* packet header may have moved, reset our local pointer */ 2242 wh = mtod(m0, struct ieee80211_frame *); 2243 } 2244 2245 data = &sc->tx_data[0]; 2246 desc = (struct zyd_tx_desc *)data->buf; 2247 2248 data->ni = ni; 2249 2250 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2251 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2252 2253 /* fill Tx descriptor */ 2254 desc->len = htole16(totlen); 2255 2256 desc->flags = ZYD_TX_FLAG_BACKOFF; 2257 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2258 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2259 if (totlen > ic->ic_rtsthreshold) { 2260 desc->flags |= ZYD_TX_FLAG_RTS; 2261 } else if (ZYD_RATE_IS_OFDM(rate) && 2262 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2263 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2264 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2265 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2266 desc->flags |= ZYD_TX_FLAG_RTS; 2267 } 2268 } else 2269 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2270 2271 if ((wh->i_fc[0] & 2272 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2273 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2274 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2275 2276 desc->phy = zyd_plcp_signal(rate); 2277 if (ZYD_RATE_IS_OFDM(rate)) { 2278 desc->phy |= ZYD_TX_PHY_OFDM; 2279 if (ic->ic_curmode == IEEE80211_MODE_11A) 2280 desc->phy |= ZYD_TX_PHY_5GHZ; 2281 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2282 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2283 2284 /* actual transmit length (XXX why +10?) */ 2285 pktlen = sizeof (struct zyd_tx_desc) + 10; 2286 if (sc->mac_rev == ZYD_ZD1211) 2287 pktlen += totlen; 2288 desc->pktlen = htole16(pktlen); 2289 2290 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2291 desc->plcp_service = 0; 2292 if (rate == 22) { 2293 const int remainder = (16 * totlen) % 22; 2294 if (remainder != 0 && remainder < 7) 2295 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2296 } 2297 2298 #if NBPFILTER > 0 2299 if (sc->sc_drvbpf != NULL) { 2300 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2301 2302 tap->wt_flags = 0; 2303 tap->wt_rate = rate; 2304 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2305 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2306 2307 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2308 } 2309 #endif 2310 2311 m_copydata(m0, 0, m0->m_pkthdr.len, 2312 data->buf + sizeof (struct zyd_tx_desc)); 2313 2314 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2315 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2316 2317 m_freem(m0); /* mbuf no longer needed */ 2318 2319 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2320 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2321 ZYD_TX_TIMEOUT, zyd_txeof); 2322 error = usbd_transfer(data->xfer); 2323 if (error != USBD_IN_PROGRESS && error != 0) { 2324 ifp->if_oerrors++; 2325 return EIO; 2326 } 2327 sc->tx_queued++; 2328 2329 return 0; 2330 } 2331 2332 Static void 2333 zyd_start(struct ifnet *ifp) 2334 { 2335 struct zyd_softc *sc = ifp->if_softc; 2336 struct ieee80211com *ic = &sc->sc_ic; 2337 struct ether_header *eh; 2338 struct ieee80211_node *ni; 2339 struct mbuf *m0; 2340 2341 for (;;) { 2342 IF_POLL(&ic->ic_mgtq, m0); 2343 if (m0 != NULL) { 2344 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2345 ifp->if_flags |= IFF_OACTIVE; 2346 break; 2347 } 2348 IF_DEQUEUE(&ic->ic_mgtq, m0); 2349 2350 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2351 m0->m_pkthdr.rcvif = NULL; 2352 #if NBPFILTER > 0 2353 if (ic->ic_rawbpf != NULL) 2354 bpf_mtap(ic->ic_rawbpf, m0); 2355 #endif 2356 if (zyd_tx_mgt(sc, m0, ni) != 0) 2357 break; 2358 } else { 2359 if (ic->ic_state != IEEE80211_S_RUN) 2360 break; 2361 IFQ_POLL(&ifp->if_snd, m0); 2362 if (m0 == NULL) 2363 break; 2364 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2365 ifp->if_flags |= IFF_OACTIVE; 2366 break; 2367 } 2368 IFQ_DEQUEUE(&ifp->if_snd, m0); 2369 2370 if (m0->m_len < sizeof(struct ether_header) && 2371 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2372 continue; 2373 2374 eh = mtod(m0, struct ether_header *); 2375 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2376 if (ni == NULL) { 2377 m_freem(m0); 2378 continue; 2379 } 2380 #if NBPFILTER > 0 2381 if (ifp->if_bpf != NULL) 2382 bpf_mtap(ifp->if_bpf, m0); 2383 #endif 2384 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2385 ieee80211_free_node(ni); 2386 ifp->if_oerrors++; 2387 continue; 2388 } 2389 #if NBPFILTER > 0 2390 if (ic->ic_rawbpf != NULL) 2391 bpf_mtap(ic->ic_rawbpf, m0); 2392 #endif 2393 if (zyd_tx_data(sc, m0, ni) != 0) { 2394 ieee80211_free_node(ni); 2395 ifp->if_oerrors++; 2396 break; 2397 } 2398 } 2399 2400 sc->tx_timer = 5; 2401 ifp->if_timer = 1; 2402 } 2403 } 2404 2405 Static void 2406 zyd_watchdog(struct ifnet *ifp) 2407 { 2408 struct zyd_softc *sc = ifp->if_softc; 2409 struct ieee80211com *ic = &sc->sc_ic; 2410 2411 ifp->if_timer = 0; 2412 2413 if (sc->tx_timer > 0) { 2414 if (--sc->tx_timer == 0) { 2415 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2416 /* zyd_init(ifp); XXX needs a process context ? */ 2417 ifp->if_oerrors++; 2418 return; 2419 } 2420 ifp->if_timer = 1; 2421 } 2422 2423 ieee80211_watchdog(ic); 2424 } 2425 2426 Static int 2427 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2428 { 2429 struct zyd_softc *sc = ifp->if_softc; 2430 struct ieee80211com *ic = &sc->sc_ic; 2431 int s, error = 0; 2432 2433 s = splnet(); 2434 2435 switch (cmd) { 2436 case SIOCSIFFLAGS: 2437 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2438 break; 2439 /* XXX re-use ether_ioctl() */ 2440 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2441 case IFF_UP: 2442 zyd_init(ifp); 2443 break; 2444 case IFF_RUNNING: 2445 zyd_stop(ifp, 1); 2446 break; 2447 default: 2448 break; 2449 } 2450 break; 2451 2452 default: 2453 error = ieee80211_ioctl(ic, cmd, data); 2454 } 2455 2456 if (error == ENETRESET) { 2457 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2458 (IFF_RUNNING | IFF_UP)) 2459 zyd_init(ifp); 2460 error = 0; 2461 } 2462 2463 splx(s); 2464 2465 return error; 2466 } 2467 2468 Static int 2469 zyd_init(struct ifnet *ifp) 2470 { 2471 struct zyd_softc *sc = ifp->if_softc; 2472 struct ieee80211com *ic = &sc->sc_ic; 2473 int i, error; 2474 2475 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2476 if ((error = zyd_attachhook(sc)) != 0) 2477 return error; 2478 2479 zyd_stop(ifp, 0); 2480 2481 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2482 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2483 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2484 if (error != 0) 2485 return error; 2486 2487 /* we'll do software WEP decryption for now */ 2488 DPRINTF(("setting encryption type\n")); 2489 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2490 if (error != 0) 2491 return error; 2492 2493 /* promiscuous mode */ 2494 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2495 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2496 2497 (void)zyd_set_rxfilter(sc); 2498 2499 /* switch radio transmitter ON */ 2500 (void)zyd_switch_radio(sc, 1); 2501 2502 /* set basic rates */ 2503 if (ic->ic_curmode == IEEE80211_MODE_11B) 2504 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2505 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2506 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2507 else /* assumes 802.11b/g */ 2508 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2509 2510 /* set mandatory rates */ 2511 if (ic->ic_curmode == IEEE80211_MODE_11B) 2512 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2513 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2514 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2515 else /* assumes 802.11b/g */ 2516 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2517 2518 /* set default BSS channel */ 2519 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2520 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2521 2522 /* enable interrupts */ 2523 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2524 2525 /* 2526 * Allocate Tx and Rx xfer queues. 2527 */ 2528 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2529 printf("%s: could not allocate Tx list\n", 2530 device_xname(sc->sc_dev)); 2531 goto fail; 2532 } 2533 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2534 printf("%s: could not allocate Rx list\n", 2535 device_xname(sc->sc_dev)); 2536 goto fail; 2537 } 2538 2539 /* 2540 * Start up the receive pipe. 2541 */ 2542 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2543 struct zyd_rx_data *data = &sc->rx_data[i]; 2544 2545 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2546 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2547 USBD_NO_TIMEOUT, zyd_rxeof); 2548 error = usbd_transfer(data->xfer); 2549 if (error != USBD_IN_PROGRESS && error != 0) { 2550 printf("%s: could not queue Rx transfer\n", 2551 device_xname(sc->sc_dev)); 2552 goto fail; 2553 } 2554 } 2555 2556 ifp->if_flags &= ~IFF_OACTIVE; 2557 ifp->if_flags |= IFF_RUNNING; 2558 2559 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2560 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2561 else 2562 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2563 2564 return 0; 2565 2566 fail: zyd_stop(ifp, 1); 2567 return error; 2568 } 2569 2570 Static void 2571 zyd_stop(struct ifnet *ifp, int disable) 2572 { 2573 struct zyd_softc *sc = ifp->if_softc; 2574 struct ieee80211com *ic = &sc->sc_ic; 2575 2576 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2577 2578 sc->tx_timer = 0; 2579 ifp->if_timer = 0; 2580 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2581 2582 /* switch radio transmitter OFF */ 2583 (void)zyd_switch_radio(sc, 0); 2584 2585 /* disable Rx */ 2586 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2587 2588 /* disable interrupts */ 2589 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2590 2591 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2592 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2593 2594 zyd_free_rx_list(sc); 2595 zyd_free_tx_list(sc); 2596 } 2597 2598 Static int 2599 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2600 { 2601 usb_device_request_t req; 2602 uint16_t addr; 2603 uint8_t stat; 2604 2605 DPRINTF(("firmware size=%zu\n", size)); 2606 2607 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2608 req.bRequest = ZYD_DOWNLOADREQ; 2609 USETW(req.wIndex, 0); 2610 2611 addr = ZYD_FIRMWARE_START_ADDR; 2612 while (size > 0) { 2613 #if 0 2614 const int mlen = min(size, 4096); 2615 #else 2616 /* 2617 * XXXX: When the transfer size is 4096 bytes, it is not 2618 * likely to be able to transfer it. 2619 * The cause is port or machine or chip? 2620 */ 2621 const int mlen = min(size, 64); 2622 #endif 2623 2624 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2625 addr)); 2626 2627 USETW(req.wValue, addr); 2628 USETW(req.wLength, mlen); 2629 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2630 return EIO; 2631 2632 addr += mlen / 2; 2633 fw += mlen; 2634 size -= mlen; 2635 } 2636 2637 /* check whether the upload succeeded */ 2638 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2639 req.bRequest = ZYD_DOWNLOADSTS; 2640 USETW(req.wValue, 0); 2641 USETW(req.wIndex, 0); 2642 USETW(req.wLength, sizeof stat); 2643 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2644 return EIO; 2645 2646 return (stat & 0x80) ? EIO : 0; 2647 } 2648 2649 Static void 2650 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2651 { 2652 struct zyd_softc *sc = arg; 2653 struct zyd_node *zn = (struct zyd_node *)ni; 2654 2655 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2656 } 2657 2658 Static void 2659 zyd_amrr_timeout(void *arg) 2660 { 2661 struct zyd_softc *sc = arg; 2662 struct ieee80211com *ic = &sc->sc_ic; 2663 int s; 2664 2665 s = splnet(); 2666 if (ic->ic_opmode == IEEE80211_M_STA) 2667 zyd_iter_func(sc, ic->ic_bss); 2668 else 2669 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2670 splx(s); 2671 2672 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2673 } 2674 2675 Static void 2676 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2677 { 2678 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2679 int i; 2680 2681 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2682 2683 /* set rate to some reasonable initial value */ 2684 for (i = ni->ni_rates.rs_nrates - 1; 2685 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2686 i--); 2687 ni->ni_txrate = i; 2688 } 2689 2690 int 2691 zyd_activate(device_ptr_t self, enum devact act) 2692 { 2693 struct zyd_softc *sc = device_private(self); 2694 2695 switch (act) { 2696 case DVACT_DEACTIVATE: 2697 if_deactivate(&sc->sc_if); 2698 return 0; 2699 default: 2700 return EOPNOTSUPP; 2701 } 2702 } 2703
Indexes created Sun Oct 12 20:09:57 GMT 2025