if_zyd.c revision 1.21
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.21 2009/06/26 00:15:23 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 1.21 2009/06/26 00:15:23 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 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 315 aprint_naive("\n"); 316 aprint_normal("\n"); 317 aprint_normal_dev(self, "%s\n", devinfop); 318 usbd_devinfo_free(devinfop); 319 320 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 321 322 ddesc = usbd_get_device_descriptor(sc->sc_udev); 323 if (UGETW(ddesc->bcdDevice) < 0x4330) { 324 aprint_error_dev(self, "device version mismatch: 0x%x " 325 "(only >= 43.30 supported)\n", UGETW(ddesc->bcdDevice)); 326 return; 327 } 328 329 ifp->if_softc = sc; 330 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 331 ifp->if_init = zyd_init; 332 ifp->if_ioctl = zyd_ioctl; 333 ifp->if_start = zyd_start; 334 ifp->if_watchdog = zyd_watchdog; 335 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 336 IFQ_SET_READY(&ifp->if_snd); 337 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 338 339 if_attach(ifp); 340 /* XXXX: alloc temporarily until the layer2 can be configured. */ 341 if_alloc_sadl(ifp); 342 343 SIMPLEQ_INIT(&sc->sc_rqh); 344 345 return; 346 } 347 348 Static int 349 zyd_complete_attach(struct zyd_softc *sc) 350 { 351 struct ieee80211com *ic = &sc->sc_ic; 352 struct ifnet *ifp = &sc->sc_if; 353 usbd_status error; 354 int i; 355 356 usb_init_task(&sc->sc_task, zyd_task, sc); 357 callout_init(&(sc->sc_scan_ch), 0); 358 359 sc->amrr.amrr_min_success_threshold = 1; 360 sc->amrr.amrr_max_success_threshold = 10; 361 callout_init(&sc->sc_amrr_ch, 0); 362 363 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 364 if (error != 0) { 365 aprint_error_dev(sc->sc_dev, "setting config no failed\n"); 366 goto fail; 367 } 368 369 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 370 &sc->sc_iface); 371 if (error != 0) { 372 aprint_error_dev(sc->sc_dev, 373 "getting interface handle failed\n"); 374 goto fail; 375 } 376 377 if ((error = zyd_open_pipes(sc)) != 0) { 378 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 379 goto fail; 380 } 381 382 if ((error = zyd_read_eeprom(sc)) != 0) { 383 aprint_error_dev(sc->sc_dev, "could not read EEPROM\n"); 384 goto fail; 385 } 386 387 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 388 aprint_error_dev(sc->sc_dev, "could not attach RF\n"); 389 goto fail; 390 } 391 392 if ((error = zyd_hw_init(sc)) != 0) { 393 aprint_error_dev(sc->sc_dev, 394 "hardware initialization failed\n"); 395 goto fail; 396 } 397 398 aprint_normal_dev(sc->sc_dev, 399 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 400 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 401 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 402 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 403 404 ic->ic_ifp = ifp; 405 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 406 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 407 ic->ic_state = IEEE80211_S_INIT; 408 409 /* set device capabilities */ 410 ic->ic_caps = 411 IEEE80211_C_MONITOR | /* monitor mode supported */ 412 IEEE80211_C_TXPMGT | /* tx power management */ 413 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 414 IEEE80211_C_WEP; /* s/w WEP */ 415 416 /* set supported .11b and .11g rates */ 417 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 418 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 419 420 /* set supported .11b and .11g channels (1 through 14) */ 421 for (i = 1; i <= 14; i++) { 422 ic->ic_channels[i].ic_freq = 423 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 424 ic->ic_channels[i].ic_flags = 425 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 426 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 427 } 428 429 if_free_sadl(ifp); 430 ieee80211_ifattach(ic); 431 ic->ic_node_alloc = zyd_node_alloc; 432 ic->ic_newassoc = zyd_newassoc; 433 434 /* override state transition machine */ 435 sc->sc_newstate = ic->ic_newstate; 436 ic->ic_newstate = zyd_newstate; 437 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 438 439 #if NBPFILTER > 0 440 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 441 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 442 &sc->sc_drvbpf); 443 444 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 445 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 446 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 447 448 sc->sc_txtap_len = sizeof sc->sc_txtapu; 449 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 450 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 451 #endif 452 453 ieee80211_announce(ic); 454 455 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 456 457 fail: return error; 458 } 459 460 int 461 zyd_detach(device_t self, int flags) 462 { 463 struct zyd_softc *sc = device_private(self); 464 struct ieee80211com *ic = &sc->sc_ic; 465 struct ifnet *ifp = &sc->sc_if; 466 int s; 467 468 if (!sc->attached) { 469 if_free_sadl(ifp); 470 if_detach(ifp); 471 return 0; 472 } 473 474 s = splusb(); 475 476 zyd_stop(ifp, 1); 477 usb_rem_task(sc->sc_udev, &sc->sc_task); 478 callout_stop(&sc->sc_scan_ch); 479 callout_stop(&sc->sc_amrr_ch); 480 481 zyd_close_pipes(sc); 482 483 sc->attached = 0; 484 485 #if NBPFILTER > 0 486 bpfdetach(ifp); 487 #endif 488 ieee80211_ifdetach(ic); 489 if_detach(ifp); 490 491 splx(s); 492 493 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 494 USBDEV(sc->sc_dev)); 495 496 return 0; 497 } 498 499 Static int 500 zyd_open_pipes(struct zyd_softc *sc) 501 { 502 usb_endpoint_descriptor_t *edesc; 503 int isize; 504 usbd_status error; 505 506 /* interrupt in */ 507 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 508 if (edesc == NULL) 509 return EINVAL; 510 511 isize = UGETW(edesc->wMaxPacketSize); 512 if (isize == 0) /* should not happen */ 513 return EINVAL; 514 515 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 516 if (sc->ibuf == NULL) 517 return ENOMEM; 518 519 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 520 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 521 USBD_DEFAULT_INTERVAL); 522 if (error != 0) { 523 printf("%s: open rx intr pipe failed: %s\n", 524 device_xname(sc->sc_dev), usbd_errstr(error)); 525 goto fail; 526 } 527 528 /* interrupt out (not necessarily an interrupt pipe) */ 529 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 530 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 531 if (error != 0) { 532 printf("%s: open tx intr pipe failed: %s\n", 533 device_xname(sc->sc_dev), usbd_errstr(error)); 534 goto fail; 535 } 536 537 /* bulk in */ 538 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 539 &sc->zyd_ep[ZYD_ENDPT_BIN]); 540 if (error != 0) { 541 printf("%s: open rx pipe failed: %s\n", 542 device_xname(sc->sc_dev), usbd_errstr(error)); 543 goto fail; 544 } 545 546 /* bulk out */ 547 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 548 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 549 if (error != 0) { 550 printf("%s: open tx pipe failed: %s\n", 551 device_xname(sc->sc_dev), usbd_errstr(error)); 552 goto fail; 553 } 554 555 return 0; 556 557 fail: zyd_close_pipes(sc); 558 return error; 559 } 560 561 Static void 562 zyd_close_pipes(struct zyd_softc *sc) 563 { 564 int i; 565 566 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 567 if (sc->zyd_ep[i] != NULL) { 568 usbd_abort_pipe(sc->zyd_ep[i]); 569 usbd_close_pipe(sc->zyd_ep[i]); 570 sc->zyd_ep[i] = NULL; 571 } 572 } 573 if (sc->ibuf != NULL) { 574 free(sc->ibuf, M_USBDEV); 575 sc->ibuf = NULL; 576 } 577 } 578 579 Static int 580 zyd_alloc_tx_list(struct zyd_softc *sc) 581 { 582 int i, error; 583 584 sc->tx_queued = 0; 585 586 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 587 struct zyd_tx_data *data = &sc->tx_data[i]; 588 589 data->sc = sc; /* backpointer for callbacks */ 590 591 data->xfer = usbd_alloc_xfer(sc->sc_udev); 592 if (data->xfer == NULL) { 593 printf("%s: could not allocate tx xfer\n", 594 device_xname(sc->sc_dev)); 595 error = ENOMEM; 596 goto fail; 597 } 598 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 599 if (data->buf == NULL) { 600 printf("%s: could not allocate tx buffer\n", 601 device_xname(sc->sc_dev)); 602 error = ENOMEM; 603 goto fail; 604 } 605 606 /* clear Tx descriptor */ 607 memset(data->buf, 0, sizeof (struct zyd_tx_desc)); 608 } 609 return 0; 610 611 fail: zyd_free_tx_list(sc); 612 return error; 613 } 614 615 Static void 616 zyd_free_tx_list(struct zyd_softc *sc) 617 { 618 int i; 619 620 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 621 struct zyd_tx_data *data = &sc->tx_data[i]; 622 623 if (data->xfer != NULL) { 624 usbd_free_xfer(data->xfer); 625 data->xfer = NULL; 626 } 627 if (data->ni != NULL) { 628 ieee80211_free_node(data->ni); 629 data->ni = NULL; 630 } 631 } 632 } 633 634 Static int 635 zyd_alloc_rx_list(struct zyd_softc *sc) 636 { 637 int i, error; 638 639 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 640 struct zyd_rx_data *data = &sc->rx_data[i]; 641 642 data->sc = sc; /* backpointer for callbacks */ 643 644 data->xfer = usbd_alloc_xfer(sc->sc_udev); 645 if (data->xfer == NULL) { 646 printf("%s: could not allocate rx xfer\n", 647 device_xname(sc->sc_dev)); 648 error = ENOMEM; 649 goto fail; 650 } 651 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 652 if (data->buf == NULL) { 653 printf("%s: could not allocate rx buffer\n", 654 device_xname(sc->sc_dev)); 655 error = ENOMEM; 656 goto fail; 657 } 658 } 659 return 0; 660 661 fail: zyd_free_rx_list(sc); 662 return error; 663 } 664 665 Static void 666 zyd_free_rx_list(struct zyd_softc *sc) 667 { 668 int i; 669 670 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 671 struct zyd_rx_data *data = &sc->rx_data[i]; 672 673 if (data->xfer != NULL) { 674 usbd_free_xfer(data->xfer); 675 data->xfer = NULL; 676 } 677 } 678 } 679 680 /* ARGUSED */ 681 Static struct ieee80211_node * 682 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 683 { 684 struct zyd_node *zn; 685 686 zn = malloc(sizeof (struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 687 688 return &zn->ni; 689 } 690 691 Static int 692 zyd_media_change(struct ifnet *ifp) 693 { 694 int error; 695 696 error = ieee80211_media_change(ifp); 697 if (error != ENETRESET) 698 return error; 699 700 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 701 zyd_init(ifp); 702 703 return 0; 704 } 705 706 /* 707 * This function is called periodically (every 200ms) during scanning to 708 * switch from one channel to another. 709 */ 710 Static void 711 zyd_next_scan(void *arg) 712 { 713 struct zyd_softc *sc = arg; 714 struct ieee80211com *ic = &sc->sc_ic; 715 716 if (ic->ic_state == IEEE80211_S_SCAN) 717 ieee80211_next_scan(ic); 718 } 719 720 Static void 721 zyd_task(void *arg) 722 { 723 struct zyd_softc *sc = arg; 724 struct ieee80211com *ic = &sc->sc_ic; 725 enum ieee80211_state ostate; 726 727 ostate = ic->ic_state; 728 729 switch (sc->sc_state) { 730 case IEEE80211_S_INIT: 731 if (ostate == IEEE80211_S_RUN) { 732 /* turn link LED off */ 733 zyd_set_led(sc, ZYD_LED1, 0); 734 735 /* stop data LED from blinking */ 736 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 737 } 738 break; 739 740 case IEEE80211_S_SCAN: 741 zyd_set_chan(sc, ic->ic_curchan); 742 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 743 break; 744 745 case IEEE80211_S_AUTH: 746 case IEEE80211_S_ASSOC: 747 zyd_set_chan(sc, ic->ic_curchan); 748 break; 749 750 case IEEE80211_S_RUN: 751 { 752 struct ieee80211_node *ni = ic->ic_bss; 753 754 zyd_set_chan(sc, ic->ic_curchan); 755 756 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 757 /* turn link LED on */ 758 zyd_set_led(sc, ZYD_LED1, 1); 759 760 /* make data LED blink upon Tx */ 761 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 762 763 zyd_set_bssid(sc, ni->ni_bssid); 764 } 765 766 if (ic->ic_opmode == IEEE80211_M_STA) { 767 /* fake a join to init the tx rate */ 768 zyd_newassoc(ni, 1); 769 } 770 771 /* start automatic rate control timer */ 772 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 773 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 774 775 break; 776 } 777 } 778 779 sc->sc_newstate(ic, sc->sc_state, -1); 780 } 781 782 Static int 783 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 784 { 785 struct zyd_softc *sc = ic->ic_ifp->if_softc; 786 787 if (!sc->attached) 788 return ENXIO; 789 790 usb_rem_task(sc->sc_udev, &sc->sc_task); 791 callout_stop(&sc->sc_scan_ch); 792 callout_stop(&sc->sc_amrr_ch); 793 794 /* do it in a process context */ 795 sc->sc_state = nstate; 796 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 797 798 return 0; 799 } 800 801 Static int 802 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 803 void *odata, int olen, u_int flags) 804 { 805 usbd_xfer_handle xfer; 806 struct zyd_cmd cmd; 807 struct rq rq; 808 uint16_t xferflags; 809 usbd_status error; 810 int s = 0; 811 812 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 813 return ENOMEM; 814 815 cmd.code = htole16(code); 816 bcopy(idata, cmd.data, ilen); 817 818 xferflags = USBD_FORCE_SHORT_XFER; 819 if (!(flags & ZYD_CMD_FLAG_READ)) 820 xferflags |= USBD_SYNCHRONOUS; 821 else { 822 s = splusb(); 823 rq.idata = idata; 824 rq.odata = odata; 825 rq.len = olen / sizeof (struct zyd_pair); 826 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 827 } 828 829 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 830 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 831 error = usbd_transfer(xfer); 832 if (error != USBD_IN_PROGRESS && error != 0) { 833 if (flags & ZYD_CMD_FLAG_READ) 834 splx(s); 835 printf("%s: could not send command (error=%s)\n", 836 device_xname(sc->sc_dev), usbd_errstr(error)); 837 (void)usbd_free_xfer(xfer); 838 return EIO; 839 } 840 if (!(flags & ZYD_CMD_FLAG_READ)) { 841 (void)usbd_free_xfer(xfer); 842 return 0; /* write: don't wait for reply */ 843 } 844 /* wait at most one second for command reply */ 845 error = tsleep(odata, PCATCH, "zydcmd", hz); 846 if (error == EWOULDBLOCK) 847 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 848 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 849 splx(s); 850 851 (void)usbd_free_xfer(xfer); 852 return error; 853 } 854 855 Static int 856 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 857 { 858 struct zyd_pair tmp; 859 int error; 860 861 reg = htole16(reg); 862 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 863 ZYD_CMD_FLAG_READ); 864 if (error == 0) 865 *val = le16toh(tmp.val); 866 return error; 867 } 868 869 Static int 870 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 871 { 872 struct zyd_pair tmp[2]; 873 uint16_t regs[2]; 874 int error; 875 876 regs[0] = htole16(ZYD_REG32_HI(reg)); 877 regs[1] = htole16(ZYD_REG32_LO(reg)); 878 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 879 ZYD_CMD_FLAG_READ); 880 if (error == 0) 881 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 882 return error; 883 } 884 885 Static int 886 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 887 { 888 struct zyd_pair pair; 889 890 pair.reg = htole16(reg); 891 pair.val = htole16(val); 892 893 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 894 } 895 896 Static int 897 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 898 { 899 struct zyd_pair pair[2]; 900 901 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 902 pair[0].val = htole16(val >> 16); 903 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 904 pair[1].val = htole16(val & 0xffff); 905 906 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 907 } 908 909 Static int 910 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 911 { 912 struct zyd_rf *rf = &sc->sc_rf; 913 struct zyd_rfwrite req; 914 uint16_t cr203; 915 int i; 916 917 (void)zyd_read16(sc, ZYD_CR203, &cr203); 918 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 919 920 req.code = htole16(2); 921 req.width = htole16(rf->width); 922 for (i = 0; i < rf->width; i++) { 923 req.bit[i] = htole16(cr203); 924 if (val & (1 << (rf->width - 1 - i))) 925 req.bit[i] |= htole16(ZYD_RF_DATA); 926 } 927 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 928 } 929 930 Static void 931 zyd_lock_phy(struct zyd_softc *sc) 932 { 933 uint32_t tmp; 934 935 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 936 tmp &= ~ZYD_UNLOCK_PHY_REGS; 937 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 938 } 939 940 Static void 941 zyd_unlock_phy(struct zyd_softc *sc) 942 { 943 uint32_t tmp; 944 945 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 946 tmp |= ZYD_UNLOCK_PHY_REGS; 947 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 948 } 949 950 /* 951 * RFMD RF methods. 952 */ 953 Static int 954 zyd_rfmd_init(struct zyd_rf *rf) 955 { 956 #define N(a) (sizeof (a) / sizeof ((a)[0])) 957 struct zyd_softc *sc = rf->rf_sc; 958 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 959 static const uint32_t rfini[] = ZYD_RFMD_RF; 960 int i, error; 961 962 /* init RF-dependent PHY registers */ 963 for (i = 0; i < N(phyini); i++) { 964 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 965 if (error != 0) 966 return error; 967 } 968 969 /* init RFMD radio */ 970 for (i = 0; i < N(rfini); i++) { 971 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 972 return error; 973 } 974 return 0; 975 #undef N 976 } 977 978 Static int 979 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 980 { 981 struct zyd_softc *sc = rf->rf_sc; 982 983 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 984 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 985 986 return 0; 987 } 988 989 Static int 990 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 991 { 992 struct zyd_softc *sc = rf->rf_sc; 993 static const struct { 994 uint32_t r1, r2; 995 } rfprog[] = ZYD_RFMD_CHANTABLE; 996 997 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 998 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 999 1000 return 0; 1001 } 1002 1003 /* 1004 * AL2230 RF methods. 1005 */ 1006 Static int 1007 zyd_al2230_init(struct zyd_rf *rf) 1008 { 1009 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1010 struct zyd_softc *sc = rf->rf_sc; 1011 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1012 static const uint32_t rfini[] = ZYD_AL2230_RF; 1013 int i, error; 1014 1015 /* init RF-dependent PHY registers */ 1016 for (i = 0; i < N(phyini); i++) { 1017 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1018 if (error != 0) 1019 return error; 1020 } 1021 1022 /* init AL2230 radio */ 1023 for (i = 0; i < N(rfini); i++) { 1024 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1025 return error; 1026 } 1027 return 0; 1028 #undef N 1029 } 1030 1031 Static int 1032 zyd_al2230_init_b(struct zyd_rf *rf) 1033 { 1034 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1035 struct zyd_softc *sc = rf->rf_sc; 1036 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1037 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1038 int i, error; 1039 1040 /* init RF-dependent PHY registers */ 1041 for (i = 0; i < N(phyini); i++) { 1042 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1043 if (error != 0) 1044 return error; 1045 } 1046 1047 /* init AL2230 radio */ 1048 for (i = 0; i < N(rfini); i++) { 1049 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1050 return error; 1051 } 1052 return 0; 1053 #undef N 1054 } 1055 1056 Static int 1057 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1058 { 1059 struct zyd_softc *sc = rf->rf_sc; 1060 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1061 1062 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1063 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1064 1065 return 0; 1066 } 1067 1068 Static int 1069 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1070 { 1071 struct zyd_softc *sc = rf->rf_sc; 1072 static const struct { 1073 uint32_t r1, r2, r3; 1074 } rfprog[] = ZYD_AL2230_CHANTABLE; 1075 1076 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1077 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1078 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1079 1080 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1081 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1082 1083 return 0; 1084 } 1085 1086 /* 1087 * AL7230B RF methods. 1088 */ 1089 Static int 1090 zyd_al7230B_init(struct zyd_rf *rf) 1091 { 1092 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1093 struct zyd_softc *sc = rf->rf_sc; 1094 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1095 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1096 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1097 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1098 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1099 int i, error; 1100 1101 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1102 1103 /* init RF-dependent PHY registers, part one */ 1104 for (i = 0; i < N(phyini_1); i++) { 1105 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1106 if (error != 0) 1107 return error; 1108 } 1109 /* init AL7230B radio, part one */ 1110 for (i = 0; i < N(rfini_1); i++) { 1111 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1112 return error; 1113 } 1114 /* init RF-dependent PHY registers, part two */ 1115 for (i = 0; i < N(phyini_2); i++) { 1116 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1117 if (error != 0) 1118 return error; 1119 } 1120 /* init AL7230B radio, part two */ 1121 for (i = 0; i < N(rfini_2); i++) { 1122 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1123 return error; 1124 } 1125 /* init RF-dependent PHY registers, part three */ 1126 for (i = 0; i < N(phyini_3); i++) { 1127 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1128 if (error != 0) 1129 return error; 1130 } 1131 1132 return 0; 1133 #undef N 1134 } 1135 1136 Static int 1137 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1138 { 1139 struct zyd_softc *sc = rf->rf_sc; 1140 1141 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1142 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1143 1144 return 0; 1145 } 1146 1147 Static int 1148 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1149 { 1150 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1151 struct zyd_softc *sc = rf->rf_sc; 1152 static const struct { 1153 uint32_t r1, r2; 1154 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1155 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1156 int i, error; 1157 1158 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1159 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1160 1161 for (i = 0; i < N(rfsc); i++) { 1162 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1163 return error; 1164 } 1165 1166 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1167 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1168 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1169 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1170 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1171 1172 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1173 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1174 (void)zyd_rfwrite(sc, 0x3c9000); 1175 1176 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1177 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1178 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1179 1180 return 0; 1181 #undef N 1182 } 1183 1184 /* 1185 * AL2210 RF methods. 1186 */ 1187 Static int 1188 zyd_al2210_init(struct zyd_rf *rf) 1189 { 1190 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1191 struct zyd_softc *sc = rf->rf_sc; 1192 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1193 static const uint32_t rfini[] = ZYD_AL2210_RF; 1194 uint32_t tmp; 1195 int i, error; 1196 1197 (void)zyd_write32(sc, ZYD_CR18, 2); 1198 1199 /* init RF-dependent PHY registers */ 1200 for (i = 0; i < N(phyini); i++) { 1201 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1202 if (error != 0) 1203 return error; 1204 } 1205 /* init AL2210 radio */ 1206 for (i = 0; i < N(rfini); i++) { 1207 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1208 return error; 1209 } 1210 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1211 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1212 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1213 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1214 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1215 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1216 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1217 (void)zyd_write32(sc, ZYD_CR18, 3); 1218 1219 return 0; 1220 #undef N 1221 } 1222 1223 Static int 1224 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1225 { 1226 /* vendor driver does nothing for this RF chip */ 1227 1228 return 0; 1229 } 1230 1231 Static int 1232 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1233 { 1234 struct zyd_softc *sc = rf->rf_sc; 1235 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1236 uint32_t tmp; 1237 1238 (void)zyd_write32(sc, ZYD_CR18, 2); 1239 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1240 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1241 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1242 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1243 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1244 1245 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1246 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1247 1248 /* actually set the channel */ 1249 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1250 1251 (void)zyd_write32(sc, ZYD_CR18, 3); 1252 1253 return 0; 1254 } 1255 1256 /* 1257 * GCT RF methods. 1258 */ 1259 Static int 1260 zyd_gct_init(struct zyd_rf *rf) 1261 { 1262 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1263 struct zyd_softc *sc = rf->rf_sc; 1264 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1265 static const uint32_t rfini[] = ZYD_GCT_RF; 1266 int i, error; 1267 1268 /* init RF-dependent PHY registers */ 1269 for (i = 0; i < N(phyini); i++) { 1270 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1271 if (error != 0) 1272 return error; 1273 } 1274 /* init cgt radio */ 1275 for (i = 0; i < N(rfini); i++) { 1276 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1277 return error; 1278 } 1279 return 0; 1280 #undef N 1281 } 1282 1283 Static int 1284 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1285 { 1286 /* vendor driver does nothing for this RF chip */ 1287 1288 return 0; 1289 } 1290 1291 Static int 1292 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1293 { 1294 struct zyd_softc *sc = rf->rf_sc; 1295 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1296 1297 (void)zyd_rfwrite(sc, 0x1c0000); 1298 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1299 (void)zyd_rfwrite(sc, 0x1c0008); 1300 1301 return 0; 1302 } 1303 1304 /* 1305 * Maxim RF methods. 1306 */ 1307 Static int 1308 zyd_maxim_init(struct zyd_rf *rf) 1309 { 1310 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1311 struct zyd_softc *sc = rf->rf_sc; 1312 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1313 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1314 uint16_t tmp; 1315 int i, error; 1316 1317 /* init RF-dependent PHY registers */ 1318 for (i = 0; i < N(phyini); i++) { 1319 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1320 if (error != 0) 1321 return error; 1322 } 1323 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1324 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1325 1326 /* init maxim radio */ 1327 for (i = 0; i < N(rfini); i++) { 1328 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1329 return error; 1330 } 1331 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1332 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1333 1334 return 0; 1335 #undef N 1336 } 1337 1338 Static int 1339 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1340 { 1341 /* vendor driver does nothing for this RF chip */ 1342 1343 return 0; 1344 } 1345 1346 Static int 1347 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1348 { 1349 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1350 struct zyd_softc *sc = rf->rf_sc; 1351 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1352 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1353 static const struct { 1354 uint32_t r1, r2; 1355 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1356 uint16_t tmp; 1357 int i, error; 1358 1359 /* 1360 * Do the same as we do when initializing it, except for the channel 1361 * values coming from the two channel tables. 1362 */ 1363 1364 /* init RF-dependent PHY registers */ 1365 for (i = 0; i < N(phyini); i++) { 1366 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1367 if (error != 0) 1368 return error; 1369 } 1370 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1371 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1372 1373 /* first two values taken from the chantables */ 1374 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1375 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1376 1377 /* init maxim radio - skipping the two first values */ 1378 for (i = 2; i < N(rfini); i++) { 1379 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1380 return error; 1381 } 1382 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1383 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1384 1385 return 0; 1386 #undef N 1387 } 1388 1389 /* 1390 * Maxim2 RF methods. 1391 */ 1392 Static int 1393 zyd_maxim2_init(struct zyd_rf *rf) 1394 { 1395 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1396 struct zyd_softc *sc = rf->rf_sc; 1397 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1398 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1399 uint16_t tmp; 1400 int i, error; 1401 1402 /* init RF-dependent PHY registers */ 1403 for (i = 0; i < N(phyini); i++) { 1404 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1405 if (error != 0) 1406 return error; 1407 } 1408 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1409 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1410 1411 /* init maxim2 radio */ 1412 for (i = 0; i < N(rfini); i++) { 1413 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1414 return error; 1415 } 1416 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1417 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1418 1419 return 0; 1420 #undef N 1421 } 1422 1423 Static int 1424 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1425 { 1426 /* vendor driver does nothing for this RF chip */ 1427 1428 return 0; 1429 } 1430 1431 Static int 1432 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1433 { 1434 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1435 struct zyd_softc *sc = rf->rf_sc; 1436 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1437 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1438 static const struct { 1439 uint32_t r1, r2; 1440 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1441 uint16_t tmp; 1442 int i, error; 1443 1444 /* 1445 * Do the same as we do when initializing it, except for the channel 1446 * values coming from the two channel tables. 1447 */ 1448 1449 /* init RF-dependent PHY registers */ 1450 for (i = 0; i < N(phyini); i++) { 1451 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1452 if (error != 0) 1453 return error; 1454 } 1455 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1456 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1457 1458 /* first two values taken from the chantables */ 1459 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1460 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1461 1462 /* init maxim2 radio - skipping the two first values */ 1463 for (i = 2; i < N(rfini); i++) { 1464 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1465 return error; 1466 } 1467 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1468 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1469 1470 return 0; 1471 #undef N 1472 } 1473 1474 Static int 1475 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1476 { 1477 struct zyd_rf *rf = &sc->sc_rf; 1478 1479 rf->rf_sc = sc; 1480 1481 switch (type) { 1482 case ZYD_RF_RFMD: 1483 rf->init = zyd_rfmd_init; 1484 rf->switch_radio = zyd_rfmd_switch_radio; 1485 rf->set_channel = zyd_rfmd_set_channel; 1486 rf->width = 24; /* 24-bit RF values */ 1487 break; 1488 case ZYD_RF_AL2230: 1489 if (sc->mac_rev == ZYD_ZD1211B) 1490 rf->init = zyd_al2230_init_b; 1491 else 1492 rf->init = zyd_al2230_init; 1493 rf->switch_radio = zyd_al2230_switch_radio; 1494 rf->set_channel = zyd_al2230_set_channel; 1495 rf->width = 24; /* 24-bit RF values */ 1496 break; 1497 case ZYD_RF_AL7230B: 1498 rf->init = zyd_al7230B_init; 1499 rf->switch_radio = zyd_al7230B_switch_radio; 1500 rf->set_channel = zyd_al7230B_set_channel; 1501 rf->width = 24; /* 24-bit RF values */ 1502 break; 1503 case ZYD_RF_AL2210: 1504 rf->init = zyd_al2210_init; 1505 rf->switch_radio = zyd_al2210_switch_radio; 1506 rf->set_channel = zyd_al2210_set_channel; 1507 rf->width = 24; /* 24-bit RF values */ 1508 break; 1509 case ZYD_RF_GCT: 1510 rf->init = zyd_gct_init; 1511 rf->switch_radio = zyd_gct_switch_radio; 1512 rf->set_channel = zyd_gct_set_channel; 1513 rf->width = 21; /* 21-bit RF values */ 1514 break; 1515 case ZYD_RF_MAXIM_NEW: 1516 rf->init = zyd_maxim_init; 1517 rf->switch_radio = zyd_maxim_switch_radio; 1518 rf->set_channel = zyd_maxim_set_channel; 1519 rf->width = 18; /* 18-bit RF values */ 1520 break; 1521 case ZYD_RF_MAXIM_NEW2: 1522 rf->init = zyd_maxim2_init; 1523 rf->switch_radio = zyd_maxim2_switch_radio; 1524 rf->set_channel = zyd_maxim2_set_channel; 1525 rf->width = 18; /* 18-bit RF values */ 1526 break; 1527 default: 1528 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1529 device_xname(sc->sc_dev), zyd_rf_name(type)); 1530 return EINVAL; 1531 } 1532 return 0; 1533 } 1534 1535 Static const char * 1536 zyd_rf_name(uint8_t type) 1537 { 1538 static const char * const zyd_rfs[] = { 1539 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1540 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1541 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1542 "PHILIPS" 1543 }; 1544 1545 return zyd_rfs[(type > 15) ? 0 : type]; 1546 } 1547 1548 Static int 1549 zyd_hw_init(struct zyd_softc *sc) 1550 { 1551 struct zyd_rf *rf = &sc->sc_rf; 1552 const struct zyd_phy_pair *phyp; 1553 int error; 1554 1555 /* specify that the plug and play is finished */ 1556 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1557 1558 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1559 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1560 1561 /* retrieve firmware revision number */ 1562 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1563 1564 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1565 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1566 1567 /* disable interrupts */ 1568 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1569 1570 /* PHY init */ 1571 zyd_lock_phy(sc); 1572 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1573 for (; phyp->reg != 0; phyp++) { 1574 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1575 goto fail; 1576 } 1577 zyd_unlock_phy(sc); 1578 1579 /* HMAC init */ 1580 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1581 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1582 1583 if (sc->mac_rev == ZYD_ZD1211) { 1584 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1585 } else { 1586 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1587 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1588 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1589 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1590 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1591 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1592 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1593 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1594 } 1595 1596 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1597 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1598 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1599 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1600 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1601 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1602 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1603 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1604 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1605 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1606 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1607 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1608 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1609 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1610 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1611 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1612 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1613 1614 /* RF chip init */ 1615 zyd_lock_phy(sc); 1616 error = (*rf->init)(rf); 1617 zyd_unlock_phy(sc); 1618 if (error != 0) { 1619 printf("%s: radio initialization failed\n", 1620 device_xname(sc->sc_dev)); 1621 goto fail; 1622 } 1623 1624 /* init beacon interval to 100ms */ 1625 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1626 goto fail; 1627 1628 fail: return error; 1629 } 1630 1631 Static int 1632 zyd_read_eeprom(struct zyd_softc *sc) 1633 { 1634 struct ieee80211com *ic = &sc->sc_ic; 1635 uint32_t tmp; 1636 uint16_t val; 1637 int i; 1638 1639 /* read MAC address */ 1640 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1641 ic->ic_myaddr[0] = tmp & 0xff; 1642 ic->ic_myaddr[1] = tmp >> 8; 1643 ic->ic_myaddr[2] = tmp >> 16; 1644 ic->ic_myaddr[3] = tmp >> 24; 1645 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1646 ic->ic_myaddr[4] = tmp & 0xff; 1647 ic->ic_myaddr[5] = tmp >> 8; 1648 1649 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1650 sc->rf_rev = tmp & 0x0f; 1651 sc->pa_rev = (tmp >> 16) & 0x0f; 1652 1653 /* read regulatory domain (currently unused) */ 1654 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1655 sc->regdomain = tmp >> 16; 1656 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1657 1658 /* read Tx power calibration tables */ 1659 for (i = 0; i < 7; i++) { 1660 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1661 sc->pwr_cal[i * 2] = val >> 8; 1662 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1663 1664 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1665 sc->pwr_int[i * 2] = val >> 8; 1666 sc->pwr_int[i * 2 + 1] = val & 0xff; 1667 1668 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1669 sc->ofdm36_cal[i * 2] = val >> 8; 1670 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1671 1672 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1673 sc->ofdm48_cal[i * 2] = val >> 8; 1674 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1675 1676 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1677 sc->ofdm54_cal[i * 2] = val >> 8; 1678 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1679 } 1680 return 0; 1681 } 1682 1683 Static int 1684 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1685 { 1686 uint32_t tmp; 1687 1688 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1689 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1690 1691 tmp = addr[5] << 8 | addr[4]; 1692 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1693 1694 return 0; 1695 } 1696 1697 Static int 1698 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1699 { 1700 uint32_t tmp; 1701 1702 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1703 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1704 1705 tmp = addr[5] << 8 | addr[4]; 1706 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1707 1708 return 0; 1709 } 1710 1711 Static int 1712 zyd_switch_radio(struct zyd_softc *sc, int on) 1713 { 1714 struct zyd_rf *rf = &sc->sc_rf; 1715 int error; 1716 1717 zyd_lock_phy(sc); 1718 error = (*rf->switch_radio)(rf, on); 1719 zyd_unlock_phy(sc); 1720 1721 return error; 1722 } 1723 1724 Static void 1725 zyd_set_led(struct zyd_softc *sc, int which, int on) 1726 { 1727 uint32_t tmp; 1728 1729 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1730 tmp &= ~which; 1731 if (on) 1732 tmp |= which; 1733 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1734 } 1735 1736 Static int 1737 zyd_set_rxfilter(struct zyd_softc *sc) 1738 { 1739 uint32_t rxfilter; 1740 1741 switch (sc->sc_ic.ic_opmode) { 1742 case IEEE80211_M_STA: 1743 rxfilter = ZYD_FILTER_BSS; 1744 break; 1745 case IEEE80211_M_IBSS: 1746 case IEEE80211_M_HOSTAP: 1747 rxfilter = ZYD_FILTER_HOSTAP; 1748 break; 1749 case IEEE80211_M_MONITOR: 1750 rxfilter = ZYD_FILTER_MONITOR; 1751 break; 1752 default: 1753 /* should not get there */ 1754 return EINVAL; 1755 } 1756 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1757 } 1758 1759 Static void 1760 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1761 { 1762 struct ieee80211com *ic = &sc->sc_ic; 1763 struct zyd_rf *rf = &sc->sc_rf; 1764 u_int chan; 1765 1766 chan = ieee80211_chan2ieee(ic, c); 1767 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1768 return; 1769 1770 zyd_lock_phy(sc); 1771 1772 (*rf->set_channel)(rf, chan); 1773 1774 /* update Tx power */ 1775 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1776 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1777 1778 if (sc->mac_rev == ZYD_ZD1211B) { 1779 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1780 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1781 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1782 1783 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1784 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1785 } 1786 1787 zyd_unlock_phy(sc); 1788 } 1789 1790 Static int 1791 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1792 { 1793 /* XXX this is probably broken.. */ 1794 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1795 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1796 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1797 1798 return 0; 1799 } 1800 1801 Static uint8_t 1802 zyd_plcp_signal(int rate) 1803 { 1804 switch (rate) { 1805 /* CCK rates (returned values are device-dependent) */ 1806 case 2: return 0x0; 1807 case 4: return 0x1; 1808 case 11: return 0x2; 1809 case 22: return 0x3; 1810 1811 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1812 case 12: return 0xb; 1813 case 18: return 0xf; 1814 case 24: return 0xa; 1815 case 36: return 0xe; 1816 case 48: return 0x9; 1817 case 72: return 0xd; 1818 case 96: return 0x8; 1819 case 108: return 0xc; 1820 1821 /* unsupported rates (should not get there) */ 1822 default: return 0xff; 1823 } 1824 } 1825 1826 Static void 1827 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1828 { 1829 struct zyd_softc *sc = (struct zyd_softc *)priv; 1830 struct zyd_cmd *cmd; 1831 uint32_t datalen; 1832 1833 if (status != USBD_NORMAL_COMPLETION) { 1834 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1835 return; 1836 1837 if (status == USBD_STALLED) { 1838 usbd_clear_endpoint_stall_async( 1839 sc->zyd_ep[ZYD_ENDPT_IIN]); 1840 } 1841 return; 1842 } 1843 1844 cmd = (struct zyd_cmd *)sc->ibuf; 1845 1846 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1847 struct zyd_notif_retry *retry = 1848 (struct zyd_notif_retry *)cmd->data; 1849 struct ieee80211com *ic = &sc->sc_ic; 1850 struct ifnet *ifp = &sc->sc_if; 1851 struct ieee80211_node *ni; 1852 1853 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1854 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1855 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1856 1857 /* 1858 * Find the node to which the packet was sent and update its 1859 * retry statistics. In BSS mode, this node is the AP we're 1860 * associated to so no lookup is actually needed. 1861 */ 1862 if (ic->ic_opmode != IEEE80211_M_STA) { 1863 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1864 if (ni == NULL) 1865 return; /* just ignore */ 1866 } else 1867 ni = ic->ic_bss; 1868 1869 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1870 1871 if (le16toh(retry->count) & 0x100) 1872 ifp->if_oerrors++; /* too many retries */ 1873 1874 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1875 struct rq *rqp; 1876 1877 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1878 return; /* HMAC interrupt */ 1879 1880 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1881 datalen -= sizeof(cmd->code); 1882 datalen -= 2; /* XXX: padding? */ 1883 1884 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1885 int i; 1886 1887 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1888 continue; 1889 for (i = 0; i < rqp->len; i++) { 1890 if (*(((const uint16_t *)rqp->idata) + i) != 1891 (((struct zyd_pair *)cmd->data) + i)->reg) 1892 break; 1893 } 1894 if (i != rqp->len) 1895 continue; 1896 1897 /* copy answer into caller-supplied buffer */ 1898 bcopy(cmd->data, rqp->odata, 1899 sizeof(struct zyd_pair) * rqp->len); 1900 wakeup(rqp->odata); /* wakeup caller */ 1901 1902 return; 1903 } 1904 return; /* unexpected IORD notification */ 1905 } else { 1906 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1907 le16toh(cmd->code)); 1908 } 1909 } 1910 1911 Static void 1912 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1913 { 1914 struct ieee80211com *ic = &sc->sc_ic; 1915 struct ifnet *ifp = &sc->sc_if; 1916 struct ieee80211_node *ni; 1917 struct ieee80211_frame *wh; 1918 const struct zyd_plcphdr *plcp; 1919 const struct zyd_rx_stat *stat; 1920 struct mbuf *m; 1921 int rlen, s; 1922 1923 if (len < ZYD_MIN_FRAGSZ) { 1924 printf("%s: frame too short (length=%d)\n", 1925 device_xname(sc->sc_dev), len); 1926 ifp->if_ierrors++; 1927 return; 1928 } 1929 1930 plcp = (const struct zyd_plcphdr *)buf; 1931 stat = (const struct zyd_rx_stat *) 1932 (buf + len - sizeof (struct zyd_rx_stat)); 1933 1934 if (stat->flags & ZYD_RX_ERROR) { 1935 DPRINTF(("%s: RX status indicated error (%x)\n", 1936 device_xname(sc->sc_dev), stat->flags)); 1937 ifp->if_ierrors++; 1938 return; 1939 } 1940 1941 /* compute actual frame length */ 1942 rlen = len - sizeof (struct zyd_plcphdr) - 1943 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1944 1945 /* allocate a mbuf to store the frame */ 1946 MGETHDR(m, M_DONTWAIT, MT_DATA); 1947 if (m == NULL) { 1948 printf("%s: could not allocate rx mbuf\n", 1949 device_xname(sc->sc_dev)); 1950 ifp->if_ierrors++; 1951 return; 1952 } 1953 if (rlen > MHLEN) { 1954 MCLGET(m, M_DONTWAIT); 1955 if (!(m->m_flags & M_EXT)) { 1956 printf("%s: could not allocate rx mbuf cluster\n", 1957 device_xname(sc->sc_dev)); 1958 m_freem(m); 1959 ifp->if_ierrors++; 1960 return; 1961 } 1962 } 1963 m->m_pkthdr.rcvif = ifp; 1964 m->m_pkthdr.len = m->m_len = rlen; 1965 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1966 1967 s = splnet(); 1968 1969 #if NBPFILTER > 0 1970 if (sc->sc_drvbpf != NULL) { 1971 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1972 static const uint8_t rates[] = { 1973 /* reverse function of zyd_plcp_signal() */ 1974 2, 4, 11, 22, 0, 0, 0, 0, 1975 96, 48, 24, 12, 108, 72, 36, 18 1976 }; 1977 1978 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1979 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1980 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1981 tap->wr_rssi = stat->rssi; 1982 tap->wr_rate = rates[plcp->signal & 0xf]; 1983 1984 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1985 } 1986 #endif 1987 1988 wh = mtod(m, struct ieee80211_frame *); 1989 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1990 ieee80211_input(ic, m, ni, stat->rssi, 0); 1991 1992 /* node is no longer needed */ 1993 ieee80211_free_node(ni); 1994 1995 splx(s); 1996 } 1997 1998 Static void 1999 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2000 { 2001 struct zyd_rx_data *data = priv; 2002 struct zyd_softc *sc = data->sc; 2003 struct ifnet *ifp = &sc->sc_if; 2004 const struct zyd_rx_desc *desc; 2005 int len; 2006 2007 if (status != USBD_NORMAL_COMPLETION) { 2008 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2009 return; 2010 2011 if (status == USBD_STALLED) 2012 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2013 2014 goto skip; 2015 } 2016 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2017 2018 if (len < ZYD_MIN_RXBUFSZ) { 2019 printf("%s: xfer too short (length=%d)\n", 2020 device_xname(sc->sc_dev), len); 2021 ifp->if_ierrors++; 2022 goto skip; 2023 } 2024 2025 desc = (const struct zyd_rx_desc *) 2026 (data->buf + len - sizeof (struct zyd_rx_desc)); 2027 2028 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2029 const uint8_t *p = data->buf, *end = p + len; 2030 int i; 2031 2032 DPRINTFN(3, ("received multi-frame transfer\n")); 2033 2034 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2035 const uint16_t len16 = UGETW(desc->len[i]); 2036 2037 if (len16 == 0 || p + len16 > end) 2038 break; 2039 2040 zyd_rx_data(sc, p, len16); 2041 /* next frame is aligned on a 32-bit boundary */ 2042 p += (len16 + 3) & ~3; 2043 } 2044 } else { 2045 DPRINTFN(3, ("received single-frame transfer\n")); 2046 2047 zyd_rx_data(sc, data->buf, len); 2048 } 2049 2050 skip: /* setup a new transfer */ 2051 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2052 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2053 USBD_NO_TIMEOUT, zyd_rxeof); 2054 (void)usbd_transfer(xfer); 2055 } 2056 2057 Static int 2058 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2059 { 2060 struct ieee80211com *ic = &sc->sc_ic; 2061 struct ifnet *ifp = &sc->sc_if; 2062 struct zyd_tx_desc *desc; 2063 struct zyd_tx_data *data; 2064 struct ieee80211_frame *wh; 2065 struct ieee80211_key *k; 2066 int xferlen, totlen, rate; 2067 uint16_t pktlen; 2068 usbd_status error; 2069 2070 data = &sc->tx_data[0]; 2071 desc = (struct zyd_tx_desc *)data->buf; 2072 2073 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2074 2075 wh = mtod(m0, struct ieee80211_frame *); 2076 2077 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2078 k = ieee80211_crypto_encap(ic, ni, m0); 2079 if (k == NULL) { 2080 m_freem(m0); 2081 return ENOBUFS; 2082 } 2083 } 2084 2085 data->ni = ni; 2086 2087 wh = mtod(m0, struct ieee80211_frame *); 2088 2089 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2090 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2091 2092 /* fill Tx descriptor */ 2093 desc->len = htole16(totlen); 2094 2095 desc->flags = ZYD_TX_FLAG_BACKOFF; 2096 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2097 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2098 if (totlen > ic->ic_rtsthreshold) { 2099 desc->flags |= ZYD_TX_FLAG_RTS; 2100 } else if (ZYD_RATE_IS_OFDM(rate) && 2101 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2102 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2103 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2104 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2105 desc->flags |= ZYD_TX_FLAG_RTS; 2106 } 2107 } else 2108 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2109 2110 if ((wh->i_fc[0] & 2111 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2112 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2113 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2114 2115 desc->phy = zyd_plcp_signal(rate); 2116 if (ZYD_RATE_IS_OFDM(rate)) { 2117 desc->phy |= ZYD_TX_PHY_OFDM; 2118 if (ic->ic_curmode == IEEE80211_MODE_11A) 2119 desc->phy |= ZYD_TX_PHY_5GHZ; 2120 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2121 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2122 2123 /* actual transmit length (XXX why +10?) */ 2124 pktlen = sizeof (struct zyd_tx_desc) + 10; 2125 if (sc->mac_rev == ZYD_ZD1211) 2126 pktlen += totlen; 2127 desc->pktlen = htole16(pktlen); 2128 2129 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2130 desc->plcp_service = 0; 2131 if (rate == 22) { 2132 const int remainder = (16 * totlen) % 22; 2133 if (remainder != 0 && remainder < 7) 2134 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2135 } 2136 2137 #if NBPFILTER > 0 2138 if (sc->sc_drvbpf != NULL) { 2139 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2140 2141 tap->wt_flags = 0; 2142 tap->wt_rate = rate; 2143 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2144 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2145 2146 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2147 } 2148 #endif 2149 2150 m_copydata(m0, 0, m0->m_pkthdr.len, 2151 data->buf + sizeof (struct zyd_tx_desc)); 2152 2153 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2154 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2155 2156 m_freem(m0); /* mbuf no longer needed */ 2157 2158 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2159 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2160 ZYD_TX_TIMEOUT, zyd_txeof); 2161 error = usbd_transfer(data->xfer); 2162 if (error != USBD_IN_PROGRESS && error != 0) { 2163 ifp->if_oerrors++; 2164 return EIO; 2165 } 2166 sc->tx_queued++; 2167 2168 return 0; 2169 } 2170 2171 Static void 2172 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2173 { 2174 struct zyd_tx_data *data = priv; 2175 struct zyd_softc *sc = data->sc; 2176 struct ifnet *ifp = &sc->sc_if; 2177 int s; 2178 2179 if (status != USBD_NORMAL_COMPLETION) { 2180 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2181 return; 2182 2183 printf("%s: could not transmit buffer: %s\n", 2184 device_xname(sc->sc_dev), usbd_errstr(status)); 2185 2186 if (status == USBD_STALLED) { 2187 usbd_clear_endpoint_stall_async( 2188 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2189 } 2190 ifp->if_oerrors++; 2191 return; 2192 } 2193 2194 s = splnet(); 2195 2196 /* update rate control statistics */ 2197 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2198 2199 ieee80211_free_node(data->ni); 2200 data->ni = NULL; 2201 2202 sc->tx_queued--; 2203 ifp->if_opackets++; 2204 2205 sc->tx_timer = 0; 2206 ifp->if_flags &= ~IFF_OACTIVE; 2207 zyd_start(ifp); 2208 2209 splx(s); 2210 } 2211 2212 Static int 2213 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2214 { 2215 struct ieee80211com *ic = &sc->sc_ic; 2216 struct ifnet *ifp = &sc->sc_if; 2217 struct zyd_tx_desc *desc; 2218 struct zyd_tx_data *data; 2219 struct ieee80211_frame *wh; 2220 struct ieee80211_key *k; 2221 int xferlen, totlen, rate; 2222 uint16_t pktlen; 2223 usbd_status error; 2224 2225 wh = mtod(m0, struct ieee80211_frame *); 2226 2227 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2228 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2229 else 2230 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2231 rate &= IEEE80211_RATE_VAL; 2232 2233 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2234 k = ieee80211_crypto_encap(ic, ni, m0); 2235 if (k == NULL) { 2236 m_freem(m0); 2237 return ENOBUFS; 2238 } 2239 2240 /* packet header may have moved, reset our local pointer */ 2241 wh = mtod(m0, struct ieee80211_frame *); 2242 } 2243 2244 data = &sc->tx_data[0]; 2245 desc = (struct zyd_tx_desc *)data->buf; 2246 2247 data->ni = ni; 2248 2249 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2250 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2251 2252 /* fill Tx descriptor */ 2253 desc->len = htole16(totlen); 2254 2255 desc->flags = ZYD_TX_FLAG_BACKOFF; 2256 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2257 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2258 if (totlen > ic->ic_rtsthreshold) { 2259 desc->flags |= ZYD_TX_FLAG_RTS; 2260 } else if (ZYD_RATE_IS_OFDM(rate) && 2261 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2262 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2263 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2264 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2265 desc->flags |= ZYD_TX_FLAG_RTS; 2266 } 2267 } else 2268 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2269 2270 if ((wh->i_fc[0] & 2271 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2272 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2273 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2274 2275 desc->phy = zyd_plcp_signal(rate); 2276 if (ZYD_RATE_IS_OFDM(rate)) { 2277 desc->phy |= ZYD_TX_PHY_OFDM; 2278 if (ic->ic_curmode == IEEE80211_MODE_11A) 2279 desc->phy |= ZYD_TX_PHY_5GHZ; 2280 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2281 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2282 2283 /* actual transmit length (XXX why +10?) */ 2284 pktlen = sizeof (struct zyd_tx_desc) + 10; 2285 if (sc->mac_rev == ZYD_ZD1211) 2286 pktlen += totlen; 2287 desc->pktlen = htole16(pktlen); 2288 2289 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2290 desc->plcp_service = 0; 2291 if (rate == 22) { 2292 const int remainder = (16 * totlen) % 22; 2293 if (remainder != 0 && remainder < 7) 2294 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2295 } 2296 2297 #if NBPFILTER > 0 2298 if (sc->sc_drvbpf != NULL) { 2299 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2300 2301 tap->wt_flags = 0; 2302 tap->wt_rate = rate; 2303 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2304 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2305 2306 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2307 } 2308 #endif 2309 2310 m_copydata(m0, 0, m0->m_pkthdr.len, 2311 data->buf + sizeof (struct zyd_tx_desc)); 2312 2313 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2314 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2315 2316 m_freem(m0); /* mbuf no longer needed */ 2317 2318 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2319 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2320 ZYD_TX_TIMEOUT, zyd_txeof); 2321 error = usbd_transfer(data->xfer); 2322 if (error != USBD_IN_PROGRESS && error != 0) { 2323 ifp->if_oerrors++; 2324 return EIO; 2325 } 2326 sc->tx_queued++; 2327 2328 return 0; 2329 } 2330 2331 Static void 2332 zyd_start(struct ifnet *ifp) 2333 { 2334 struct zyd_softc *sc = ifp->if_softc; 2335 struct ieee80211com *ic = &sc->sc_ic; 2336 struct ether_header *eh; 2337 struct ieee80211_node *ni; 2338 struct mbuf *m0; 2339 2340 for (;;) { 2341 IF_POLL(&ic->ic_mgtq, m0); 2342 if (m0 != NULL) { 2343 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2344 ifp->if_flags |= IFF_OACTIVE; 2345 break; 2346 } 2347 IF_DEQUEUE(&ic->ic_mgtq, m0); 2348 2349 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2350 m0->m_pkthdr.rcvif = NULL; 2351 #if NBPFILTER > 0 2352 if (ic->ic_rawbpf != NULL) 2353 bpf_mtap(ic->ic_rawbpf, m0); 2354 #endif 2355 if (zyd_tx_mgt(sc, m0, ni) != 0) 2356 break; 2357 } else { 2358 if (ic->ic_state != IEEE80211_S_RUN) 2359 break; 2360 IFQ_POLL(&ifp->if_snd, m0); 2361 if (m0 == NULL) 2362 break; 2363 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2364 ifp->if_flags |= IFF_OACTIVE; 2365 break; 2366 } 2367 IFQ_DEQUEUE(&ifp->if_snd, m0); 2368 2369 if (m0->m_len < sizeof(struct ether_header) && 2370 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2371 continue; 2372 2373 eh = mtod(m0, struct ether_header *); 2374 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2375 if (ni == NULL) { 2376 m_freem(m0); 2377 continue; 2378 } 2379 #if NBPFILTER > 0 2380 if (ifp->if_bpf != NULL) 2381 bpf_mtap(ifp->if_bpf, m0); 2382 #endif 2383 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2384 ieee80211_free_node(ni); 2385 ifp->if_oerrors++; 2386 continue; 2387 } 2388 #if NBPFILTER > 0 2389 if (ic->ic_rawbpf != NULL) 2390 bpf_mtap(ic->ic_rawbpf, m0); 2391 #endif 2392 if (zyd_tx_data(sc, m0, ni) != 0) { 2393 ieee80211_free_node(ni); 2394 ifp->if_oerrors++; 2395 break; 2396 } 2397 } 2398 2399 sc->tx_timer = 5; 2400 ifp->if_timer = 1; 2401 } 2402 } 2403 2404 Static void 2405 zyd_watchdog(struct ifnet *ifp) 2406 { 2407 struct zyd_softc *sc = ifp->if_softc; 2408 struct ieee80211com *ic = &sc->sc_ic; 2409 2410 ifp->if_timer = 0; 2411 2412 if (sc->tx_timer > 0) { 2413 if (--sc->tx_timer == 0) { 2414 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2415 /* zyd_init(ifp); XXX needs a process context ? */ 2416 ifp->if_oerrors++; 2417 return; 2418 } 2419 ifp->if_timer = 1; 2420 } 2421 2422 ieee80211_watchdog(ic); 2423 } 2424 2425 Static int 2426 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2427 { 2428 struct zyd_softc *sc = ifp->if_softc; 2429 struct ieee80211com *ic = &sc->sc_ic; 2430 int s, error = 0; 2431 2432 s = splnet(); 2433 2434 switch (cmd) { 2435 case SIOCSIFFLAGS: 2436 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2437 break; 2438 /* XXX re-use ether_ioctl() */ 2439 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2440 case IFF_UP: 2441 zyd_init(ifp); 2442 break; 2443 case IFF_RUNNING: 2444 zyd_stop(ifp, 1); 2445 break; 2446 default: 2447 break; 2448 } 2449 break; 2450 2451 default: 2452 error = ieee80211_ioctl(ic, cmd, data); 2453 } 2454 2455 if (error == ENETRESET) { 2456 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2457 (IFF_RUNNING | IFF_UP)) 2458 zyd_init(ifp); 2459 error = 0; 2460 } 2461 2462 splx(s); 2463 2464 return error; 2465 } 2466 2467 Static int 2468 zyd_init(struct ifnet *ifp) 2469 { 2470 struct zyd_softc *sc = ifp->if_softc; 2471 struct ieee80211com *ic = &sc->sc_ic; 2472 int i, error; 2473 2474 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2475 if ((error = zyd_attachhook(sc)) != 0) 2476 return error; 2477 2478 zyd_stop(ifp, 0); 2479 2480 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2481 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2482 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2483 if (error != 0) 2484 return error; 2485 2486 /* we'll do software WEP decryption for now */ 2487 DPRINTF(("setting encryption type\n")); 2488 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2489 if (error != 0) 2490 return error; 2491 2492 /* promiscuous mode */ 2493 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2494 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2495 2496 (void)zyd_set_rxfilter(sc); 2497 2498 /* switch radio transmitter ON */ 2499 (void)zyd_switch_radio(sc, 1); 2500 2501 /* set basic rates */ 2502 if (ic->ic_curmode == IEEE80211_MODE_11B) 2503 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2504 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2505 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2506 else /* assumes 802.11b/g */ 2507 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2508 2509 /* set mandatory rates */ 2510 if (ic->ic_curmode == IEEE80211_MODE_11B) 2511 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2512 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2513 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2514 else /* assumes 802.11b/g */ 2515 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2516 2517 /* set default BSS channel */ 2518 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2519 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2520 2521 /* enable interrupts */ 2522 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2523 2524 /* 2525 * Allocate Tx and Rx xfer queues. 2526 */ 2527 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2528 printf("%s: could not allocate Tx list\n", 2529 device_xname(sc->sc_dev)); 2530 goto fail; 2531 } 2532 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2533 printf("%s: could not allocate Rx list\n", 2534 device_xname(sc->sc_dev)); 2535 goto fail; 2536 } 2537 2538 /* 2539 * Start up the receive pipe. 2540 */ 2541 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2542 struct zyd_rx_data *data = &sc->rx_data[i]; 2543 2544 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2545 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2546 USBD_NO_TIMEOUT, zyd_rxeof); 2547 error = usbd_transfer(data->xfer); 2548 if (error != USBD_IN_PROGRESS && error != 0) { 2549 printf("%s: could not queue Rx transfer\n", 2550 device_xname(sc->sc_dev)); 2551 goto fail; 2552 } 2553 } 2554 2555 ifp->if_flags &= ~IFF_OACTIVE; 2556 ifp->if_flags |= IFF_RUNNING; 2557 2558 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2559 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2560 else 2561 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2562 2563 return 0; 2564 2565 fail: zyd_stop(ifp, 1); 2566 return error; 2567 } 2568 2569 Static void 2570 zyd_stop(struct ifnet *ifp, int disable) 2571 { 2572 struct zyd_softc *sc = ifp->if_softc; 2573 struct ieee80211com *ic = &sc->sc_ic; 2574 2575 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2576 2577 sc->tx_timer = 0; 2578 ifp->if_timer = 0; 2579 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2580 2581 /* switch radio transmitter OFF */ 2582 (void)zyd_switch_radio(sc, 0); 2583 2584 /* disable Rx */ 2585 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2586 2587 /* disable interrupts */ 2588 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2589 2590 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2591 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2592 2593 zyd_free_rx_list(sc); 2594 zyd_free_tx_list(sc); 2595 } 2596 2597 Static int 2598 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2599 { 2600 usb_device_request_t req; 2601 uint16_t addr; 2602 uint8_t stat; 2603 2604 DPRINTF(("firmware size=%zu\n", size)); 2605 2606 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2607 req.bRequest = ZYD_DOWNLOADREQ; 2608 USETW(req.wIndex, 0); 2609 2610 addr = ZYD_FIRMWARE_START_ADDR; 2611 while (size > 0) { 2612 #if 0 2613 const int mlen = min(size, 4096); 2614 #else 2615 /* 2616 * XXXX: When the transfer size is 4096 bytes, it is not 2617 * likely to be able to transfer it. 2618 * The cause is port or machine or chip? 2619 */ 2620 const int mlen = min(size, 64); 2621 #endif 2622 2623 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2624 addr)); 2625 2626 USETW(req.wValue, addr); 2627 USETW(req.wLength, mlen); 2628 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2629 return EIO; 2630 2631 addr += mlen / 2; 2632 fw += mlen; 2633 size -= mlen; 2634 } 2635 2636 /* check whether the upload succeeded */ 2637 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2638 req.bRequest = ZYD_DOWNLOADSTS; 2639 USETW(req.wValue, 0); 2640 USETW(req.wIndex, 0); 2641 USETW(req.wLength, sizeof stat); 2642 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2643 return EIO; 2644 2645 return (stat & 0x80) ? EIO : 0; 2646 } 2647 2648 Static void 2649 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2650 { 2651 struct zyd_softc *sc = arg; 2652 struct zyd_node *zn = (struct zyd_node *)ni; 2653 2654 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2655 } 2656 2657 Static void 2658 zyd_amrr_timeout(void *arg) 2659 { 2660 struct zyd_softc *sc = arg; 2661 struct ieee80211com *ic = &sc->sc_ic; 2662 int s; 2663 2664 s = splnet(); 2665 if (ic->ic_opmode == IEEE80211_M_STA) 2666 zyd_iter_func(sc, ic->ic_bss); 2667 else 2668 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2669 splx(s); 2670 2671 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2672 } 2673 2674 Static void 2675 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2676 { 2677 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2678 int i; 2679 2680 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2681 2682 /* set rate to some reasonable initial value */ 2683 for (i = ni->ni_rates.rs_nrates - 1; 2684 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2685 i--); 2686 ni->ni_txrate = i; 2687 } 2688 2689 int 2690 zyd_activate(device_ptr_t self, enum devact act) 2691 { 2692 struct zyd_softc *sc = device_private(self); 2693 2694 switch (act) { 2695 case DVACT_ACTIVATE: 2696 break; 2697 2698 case DVACT_DEACTIVATE: 2699 if_deactivate(&sc->sc_if); 2700 break; 2701 } 2702 return 0; 2703 } 2704
Indexes created Sun Oct 12 20:09:57 GMT 2025