if_zyd.c revision 1.19
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.19 2009/06/26 00:06:27 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 1.19 2009/06/26 00:06:27 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 (struct ieee80211_node *)zn; 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 usb_rem_task(sc->sc_udev, &sc->sc_task); 788 callout_stop(&sc->sc_scan_ch); 789 callout_stop(&sc->sc_amrr_ch); 790 791 /* do it in a process context */ 792 sc->sc_state = nstate; 793 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 794 795 return 0; 796 } 797 798 Static int 799 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 800 void *odata, int olen, u_int flags) 801 { 802 usbd_xfer_handle xfer; 803 struct zyd_cmd cmd; 804 struct rq rq; 805 uint16_t xferflags; 806 usbd_status error; 807 int s = 0; 808 809 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 810 return ENOMEM; 811 812 cmd.code = htole16(code); 813 bcopy(idata, cmd.data, ilen); 814 815 xferflags = USBD_FORCE_SHORT_XFER; 816 if (!(flags & ZYD_CMD_FLAG_READ)) 817 xferflags |= USBD_SYNCHRONOUS; 818 else { 819 s = splusb(); 820 rq.idata = idata; 821 rq.odata = odata; 822 rq.len = olen / sizeof (struct zyd_pair); 823 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 824 } 825 826 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 827 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 828 error = usbd_transfer(xfer); 829 if (error != USBD_IN_PROGRESS && error != 0) { 830 if (flags & ZYD_CMD_FLAG_READ) 831 splx(s); 832 printf("%s: could not send command (error=%s)\n", 833 device_xname(sc->sc_dev), usbd_errstr(error)); 834 (void)usbd_free_xfer(xfer); 835 return EIO; 836 } 837 if (!(flags & ZYD_CMD_FLAG_READ)) { 838 (void)usbd_free_xfer(xfer); 839 return 0; /* write: don't wait for reply */ 840 } 841 /* wait at most one second for command reply */ 842 error = tsleep(odata, PCATCH, "zydcmd", hz); 843 if (error == EWOULDBLOCK) 844 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 845 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 846 splx(s); 847 848 (void)usbd_free_xfer(xfer); 849 return error; 850 } 851 852 Static int 853 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 854 { 855 struct zyd_pair tmp; 856 int error; 857 858 reg = htole16(reg); 859 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 860 ZYD_CMD_FLAG_READ); 861 if (error == 0) 862 *val = le16toh(tmp.val); 863 return error; 864 } 865 866 Static int 867 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 868 { 869 struct zyd_pair tmp[2]; 870 uint16_t regs[2]; 871 int error; 872 873 regs[0] = htole16(ZYD_REG32_HI(reg)); 874 regs[1] = htole16(ZYD_REG32_LO(reg)); 875 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 876 ZYD_CMD_FLAG_READ); 877 if (error == 0) 878 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 879 return error; 880 } 881 882 Static int 883 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 884 { 885 struct zyd_pair pair; 886 887 pair.reg = htole16(reg); 888 pair.val = htole16(val); 889 890 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 891 } 892 893 Static int 894 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 895 { 896 struct zyd_pair pair[2]; 897 898 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 899 pair[0].val = htole16(val >> 16); 900 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 901 pair[1].val = htole16(val & 0xffff); 902 903 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 904 } 905 906 Static int 907 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 908 { 909 struct zyd_rf *rf = &sc->sc_rf; 910 struct zyd_rfwrite req; 911 uint16_t cr203; 912 int i; 913 914 (void)zyd_read16(sc, ZYD_CR203, &cr203); 915 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 916 917 req.code = htole16(2); 918 req.width = htole16(rf->width); 919 for (i = 0; i < rf->width; i++) { 920 req.bit[i] = htole16(cr203); 921 if (val & (1 << (rf->width - 1 - i))) 922 req.bit[i] |= htole16(ZYD_RF_DATA); 923 } 924 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 925 } 926 927 Static void 928 zyd_lock_phy(struct zyd_softc *sc) 929 { 930 uint32_t tmp; 931 932 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 933 tmp &= ~ZYD_UNLOCK_PHY_REGS; 934 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 935 } 936 937 Static void 938 zyd_unlock_phy(struct zyd_softc *sc) 939 { 940 uint32_t tmp; 941 942 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 943 tmp |= ZYD_UNLOCK_PHY_REGS; 944 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 945 } 946 947 /* 948 * RFMD RF methods. 949 */ 950 Static int 951 zyd_rfmd_init(struct zyd_rf *rf) 952 { 953 #define N(a) (sizeof (a) / sizeof ((a)[0])) 954 struct zyd_softc *sc = rf->rf_sc; 955 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 956 static const uint32_t rfini[] = ZYD_RFMD_RF; 957 int i, error; 958 959 /* init RF-dependent PHY registers */ 960 for (i = 0; i < N(phyini); i++) { 961 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 962 if (error != 0) 963 return error; 964 } 965 966 /* init RFMD radio */ 967 for (i = 0; i < N(rfini); i++) { 968 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 969 return error; 970 } 971 return 0; 972 #undef N 973 } 974 975 Static int 976 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 977 { 978 struct zyd_softc *sc = rf->rf_sc; 979 980 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 981 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 982 983 return 0; 984 } 985 986 Static int 987 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 988 { 989 struct zyd_softc *sc = rf->rf_sc; 990 static const struct { 991 uint32_t r1, r2; 992 } rfprog[] = ZYD_RFMD_CHANTABLE; 993 994 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 995 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 996 997 return 0; 998 } 999 1000 /* 1001 * AL2230 RF methods. 1002 */ 1003 Static int 1004 zyd_al2230_init(struct zyd_rf *rf) 1005 { 1006 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1007 struct zyd_softc *sc = rf->rf_sc; 1008 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1009 static const uint32_t rfini[] = ZYD_AL2230_RF; 1010 int i, error; 1011 1012 /* init RF-dependent PHY registers */ 1013 for (i = 0; i < N(phyini); i++) { 1014 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1015 if (error != 0) 1016 return error; 1017 } 1018 1019 /* init AL2230 radio */ 1020 for (i = 0; i < N(rfini); i++) { 1021 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1022 return error; 1023 } 1024 return 0; 1025 #undef N 1026 } 1027 1028 Static int 1029 zyd_al2230_init_b(struct zyd_rf *rf) 1030 { 1031 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1032 struct zyd_softc *sc = rf->rf_sc; 1033 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1034 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1035 int i, error; 1036 1037 /* init RF-dependent PHY registers */ 1038 for (i = 0; i < N(phyini); i++) { 1039 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1040 if (error != 0) 1041 return error; 1042 } 1043 1044 /* init AL2230 radio */ 1045 for (i = 0; i < N(rfini); i++) { 1046 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1047 return error; 1048 } 1049 return 0; 1050 #undef N 1051 } 1052 1053 Static int 1054 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1055 { 1056 struct zyd_softc *sc = rf->rf_sc; 1057 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1058 1059 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1060 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1061 1062 return 0; 1063 } 1064 1065 Static int 1066 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1067 { 1068 struct zyd_softc *sc = rf->rf_sc; 1069 static const struct { 1070 uint32_t r1, r2, r3; 1071 } rfprog[] = ZYD_AL2230_CHANTABLE; 1072 1073 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1074 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1075 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1076 1077 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1078 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1079 1080 return 0; 1081 } 1082 1083 /* 1084 * AL7230B RF methods. 1085 */ 1086 Static int 1087 zyd_al7230B_init(struct zyd_rf *rf) 1088 { 1089 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1090 struct zyd_softc *sc = rf->rf_sc; 1091 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1092 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1093 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1094 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1095 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1096 int i, error; 1097 1098 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1099 1100 /* init RF-dependent PHY registers, part one */ 1101 for (i = 0; i < N(phyini_1); i++) { 1102 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1103 if (error != 0) 1104 return error; 1105 } 1106 /* init AL7230B radio, part one */ 1107 for (i = 0; i < N(rfini_1); i++) { 1108 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1109 return error; 1110 } 1111 /* init RF-dependent PHY registers, part two */ 1112 for (i = 0; i < N(phyini_2); i++) { 1113 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1114 if (error != 0) 1115 return error; 1116 } 1117 /* init AL7230B radio, part two */ 1118 for (i = 0; i < N(rfini_2); i++) { 1119 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1120 return error; 1121 } 1122 /* init RF-dependent PHY registers, part three */ 1123 for (i = 0; i < N(phyini_3); i++) { 1124 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1125 if (error != 0) 1126 return error; 1127 } 1128 1129 return 0; 1130 #undef N 1131 } 1132 1133 Static int 1134 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1135 { 1136 struct zyd_softc *sc = rf->rf_sc; 1137 1138 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1139 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1140 1141 return 0; 1142 } 1143 1144 Static int 1145 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1146 { 1147 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1148 struct zyd_softc *sc = rf->rf_sc; 1149 static const struct { 1150 uint32_t r1, r2; 1151 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1152 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1153 int i, error; 1154 1155 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1156 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1157 1158 for (i = 0; i < N(rfsc); i++) { 1159 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1160 return error; 1161 } 1162 1163 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1164 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1165 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1166 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1167 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1168 1169 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1170 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1171 (void)zyd_rfwrite(sc, 0x3c9000); 1172 1173 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1174 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1175 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1176 1177 return 0; 1178 #undef N 1179 } 1180 1181 /* 1182 * AL2210 RF methods. 1183 */ 1184 Static int 1185 zyd_al2210_init(struct zyd_rf *rf) 1186 { 1187 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1188 struct zyd_softc *sc = rf->rf_sc; 1189 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1190 static const uint32_t rfini[] = ZYD_AL2210_RF; 1191 uint32_t tmp; 1192 int i, error; 1193 1194 (void)zyd_write32(sc, ZYD_CR18, 2); 1195 1196 /* init RF-dependent PHY registers */ 1197 for (i = 0; i < N(phyini); i++) { 1198 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1199 if (error != 0) 1200 return error; 1201 } 1202 /* init AL2210 radio */ 1203 for (i = 0; i < N(rfini); i++) { 1204 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1205 return error; 1206 } 1207 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1208 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1209 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1210 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1211 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1212 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1213 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1214 (void)zyd_write32(sc, ZYD_CR18, 3); 1215 1216 return 0; 1217 #undef N 1218 } 1219 1220 Static int 1221 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1222 { 1223 /* vendor driver does nothing for this RF chip */ 1224 1225 return 0; 1226 } 1227 1228 Static int 1229 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1230 { 1231 struct zyd_softc *sc = rf->rf_sc; 1232 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1233 uint32_t tmp; 1234 1235 (void)zyd_write32(sc, ZYD_CR18, 2); 1236 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1237 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1238 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1239 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1240 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1241 1242 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1243 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1244 1245 /* actually set the channel */ 1246 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1247 1248 (void)zyd_write32(sc, ZYD_CR18, 3); 1249 1250 return 0; 1251 } 1252 1253 /* 1254 * GCT RF methods. 1255 */ 1256 Static int 1257 zyd_gct_init(struct zyd_rf *rf) 1258 { 1259 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1260 struct zyd_softc *sc = rf->rf_sc; 1261 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1262 static const uint32_t rfini[] = ZYD_GCT_RF; 1263 int i, error; 1264 1265 /* init RF-dependent PHY registers */ 1266 for (i = 0; i < N(phyini); i++) { 1267 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1268 if (error != 0) 1269 return error; 1270 } 1271 /* init cgt radio */ 1272 for (i = 0; i < N(rfini); i++) { 1273 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1274 return error; 1275 } 1276 return 0; 1277 #undef N 1278 } 1279 1280 Static int 1281 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1282 { 1283 /* vendor driver does nothing for this RF chip */ 1284 1285 return 0; 1286 } 1287 1288 Static int 1289 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1290 { 1291 struct zyd_softc *sc = rf->rf_sc; 1292 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1293 1294 (void)zyd_rfwrite(sc, 0x1c0000); 1295 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1296 (void)zyd_rfwrite(sc, 0x1c0008); 1297 1298 return 0; 1299 } 1300 1301 /* 1302 * Maxim RF methods. 1303 */ 1304 Static int 1305 zyd_maxim_init(struct zyd_rf *rf) 1306 { 1307 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1308 struct zyd_softc *sc = rf->rf_sc; 1309 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1310 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1311 uint16_t tmp; 1312 int i, error; 1313 1314 /* init RF-dependent PHY registers */ 1315 for (i = 0; i < N(phyini); i++) { 1316 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1317 if (error != 0) 1318 return error; 1319 } 1320 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1321 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1322 1323 /* init maxim radio */ 1324 for (i = 0; i < N(rfini); i++) { 1325 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1326 return error; 1327 } 1328 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1329 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1330 1331 return 0; 1332 #undef N 1333 } 1334 1335 Static int 1336 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1337 { 1338 /* vendor driver does nothing for this RF chip */ 1339 1340 return 0; 1341 } 1342 1343 Static int 1344 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1345 { 1346 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1347 struct zyd_softc *sc = rf->rf_sc; 1348 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1349 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1350 static const struct { 1351 uint32_t r1, r2; 1352 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1353 uint16_t tmp; 1354 int i, error; 1355 1356 /* 1357 * Do the same as we do when initializing it, except for the channel 1358 * values coming from the two channel tables. 1359 */ 1360 1361 /* init RF-dependent PHY registers */ 1362 for (i = 0; i < N(phyini); i++) { 1363 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1364 if (error != 0) 1365 return error; 1366 } 1367 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1368 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1369 1370 /* first two values taken from the chantables */ 1371 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1372 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1373 1374 /* init maxim radio - skipping the two first values */ 1375 for (i = 2; i < N(rfini); i++) { 1376 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1377 return error; 1378 } 1379 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1380 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1381 1382 return 0; 1383 #undef N 1384 } 1385 1386 /* 1387 * Maxim2 RF methods. 1388 */ 1389 Static int 1390 zyd_maxim2_init(struct zyd_rf *rf) 1391 { 1392 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1393 struct zyd_softc *sc = rf->rf_sc; 1394 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1395 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1396 uint16_t tmp; 1397 int i, error; 1398 1399 /* init RF-dependent PHY registers */ 1400 for (i = 0; i < N(phyini); i++) { 1401 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1402 if (error != 0) 1403 return error; 1404 } 1405 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1406 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1407 1408 /* init maxim2 radio */ 1409 for (i = 0; i < N(rfini); i++) { 1410 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1411 return error; 1412 } 1413 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1414 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1415 1416 return 0; 1417 #undef N 1418 } 1419 1420 Static int 1421 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1422 { 1423 /* vendor driver does nothing for this RF chip */ 1424 1425 return 0; 1426 } 1427 1428 Static int 1429 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1430 { 1431 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1432 struct zyd_softc *sc = rf->rf_sc; 1433 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1434 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1435 static const struct { 1436 uint32_t r1, r2; 1437 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1438 uint16_t tmp; 1439 int i, error; 1440 1441 /* 1442 * Do the same as we do when initializing it, except for the channel 1443 * values coming from the two channel tables. 1444 */ 1445 1446 /* init RF-dependent PHY registers */ 1447 for (i = 0; i < N(phyini); i++) { 1448 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1449 if (error != 0) 1450 return error; 1451 } 1452 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1453 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1454 1455 /* first two values taken from the chantables */ 1456 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1457 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1458 1459 /* init maxim2 radio - skipping the two first values */ 1460 for (i = 2; i < N(rfini); i++) { 1461 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1462 return error; 1463 } 1464 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1465 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1466 1467 return 0; 1468 #undef N 1469 } 1470 1471 Static int 1472 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1473 { 1474 struct zyd_rf *rf = &sc->sc_rf; 1475 1476 rf->rf_sc = sc; 1477 1478 switch (type) { 1479 case ZYD_RF_RFMD: 1480 rf->init = zyd_rfmd_init; 1481 rf->switch_radio = zyd_rfmd_switch_radio; 1482 rf->set_channel = zyd_rfmd_set_channel; 1483 rf->width = 24; /* 24-bit RF values */ 1484 break; 1485 case ZYD_RF_AL2230: 1486 if (sc->mac_rev == ZYD_ZD1211B) 1487 rf->init = zyd_al2230_init_b; 1488 else 1489 rf->init = zyd_al2230_init; 1490 rf->switch_radio = zyd_al2230_switch_radio; 1491 rf->set_channel = zyd_al2230_set_channel; 1492 rf->width = 24; /* 24-bit RF values */ 1493 break; 1494 case ZYD_RF_AL7230B: 1495 rf->init = zyd_al7230B_init; 1496 rf->switch_radio = zyd_al7230B_switch_radio; 1497 rf->set_channel = zyd_al7230B_set_channel; 1498 rf->width = 24; /* 24-bit RF values */ 1499 break; 1500 case ZYD_RF_AL2210: 1501 rf->init = zyd_al2210_init; 1502 rf->switch_radio = zyd_al2210_switch_radio; 1503 rf->set_channel = zyd_al2210_set_channel; 1504 rf->width = 24; /* 24-bit RF values */ 1505 break; 1506 case ZYD_RF_GCT: 1507 rf->init = zyd_gct_init; 1508 rf->switch_radio = zyd_gct_switch_radio; 1509 rf->set_channel = zyd_gct_set_channel; 1510 rf->width = 21; /* 21-bit RF values */ 1511 break; 1512 case ZYD_RF_MAXIM_NEW: 1513 rf->init = zyd_maxim_init; 1514 rf->switch_radio = zyd_maxim_switch_radio; 1515 rf->set_channel = zyd_maxim_set_channel; 1516 rf->width = 18; /* 18-bit RF values */ 1517 break; 1518 case ZYD_RF_MAXIM_NEW2: 1519 rf->init = zyd_maxim2_init; 1520 rf->switch_radio = zyd_maxim2_switch_radio; 1521 rf->set_channel = zyd_maxim2_set_channel; 1522 rf->width = 18; /* 18-bit RF values */ 1523 break; 1524 default: 1525 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1526 device_xname(sc->sc_dev), zyd_rf_name(type)); 1527 return EINVAL; 1528 } 1529 return 0; 1530 } 1531 1532 Static const char * 1533 zyd_rf_name(uint8_t type) 1534 { 1535 static const char * const zyd_rfs[] = { 1536 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1537 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1538 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1539 "PHILIPS" 1540 }; 1541 1542 return zyd_rfs[(type > 15) ? 0 : type]; 1543 } 1544 1545 Static int 1546 zyd_hw_init(struct zyd_softc *sc) 1547 { 1548 struct zyd_rf *rf = &sc->sc_rf; 1549 const struct zyd_phy_pair *phyp; 1550 int error; 1551 1552 /* specify that the plug and play is finished */ 1553 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1554 1555 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1556 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1557 1558 /* retrieve firmware revision number */ 1559 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1560 1561 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1562 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1563 1564 /* disable interrupts */ 1565 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1566 1567 /* PHY init */ 1568 zyd_lock_phy(sc); 1569 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1570 for (; phyp->reg != 0; phyp++) { 1571 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1572 goto fail; 1573 } 1574 zyd_unlock_phy(sc); 1575 1576 /* HMAC init */ 1577 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1578 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1579 1580 if (sc->mac_rev == ZYD_ZD1211) { 1581 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1582 } else { 1583 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1584 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1585 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1586 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1587 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1588 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1589 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1590 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1591 } 1592 1593 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1594 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1595 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1596 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1597 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1598 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1599 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1600 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1601 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1602 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1603 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1604 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1605 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1606 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1607 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1608 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1609 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1610 1611 /* RF chip init */ 1612 zyd_lock_phy(sc); 1613 error = (*rf->init)(rf); 1614 zyd_unlock_phy(sc); 1615 if (error != 0) { 1616 printf("%s: radio initialization failed\n", 1617 device_xname(sc->sc_dev)); 1618 goto fail; 1619 } 1620 1621 /* init beacon interval to 100ms */ 1622 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1623 goto fail; 1624 1625 fail: return error; 1626 } 1627 1628 Static int 1629 zyd_read_eeprom(struct zyd_softc *sc) 1630 { 1631 struct ieee80211com *ic = &sc->sc_ic; 1632 uint32_t tmp; 1633 uint16_t val; 1634 int i; 1635 1636 /* read MAC address */ 1637 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1638 ic->ic_myaddr[0] = tmp & 0xff; 1639 ic->ic_myaddr[1] = tmp >> 8; 1640 ic->ic_myaddr[2] = tmp >> 16; 1641 ic->ic_myaddr[3] = tmp >> 24; 1642 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1643 ic->ic_myaddr[4] = tmp & 0xff; 1644 ic->ic_myaddr[5] = tmp >> 8; 1645 1646 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1647 sc->rf_rev = tmp & 0x0f; 1648 sc->pa_rev = (tmp >> 16) & 0x0f; 1649 1650 /* read regulatory domain (currently unused) */ 1651 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1652 sc->regdomain = tmp >> 16; 1653 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1654 1655 /* read Tx power calibration tables */ 1656 for (i = 0; i < 7; i++) { 1657 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1658 sc->pwr_cal[i * 2] = val >> 8; 1659 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1660 1661 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1662 sc->pwr_int[i * 2] = val >> 8; 1663 sc->pwr_int[i * 2 + 1] = val & 0xff; 1664 1665 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1666 sc->ofdm36_cal[i * 2] = val >> 8; 1667 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1668 1669 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1670 sc->ofdm48_cal[i * 2] = val >> 8; 1671 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1672 1673 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1674 sc->ofdm54_cal[i * 2] = val >> 8; 1675 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1676 } 1677 return 0; 1678 } 1679 1680 Static int 1681 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1682 { 1683 uint32_t tmp; 1684 1685 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1686 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1687 1688 tmp = addr[5] << 8 | addr[4]; 1689 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1690 1691 return 0; 1692 } 1693 1694 Static int 1695 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1696 { 1697 uint32_t tmp; 1698 1699 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1700 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1701 1702 tmp = addr[5] << 8 | addr[4]; 1703 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1704 1705 return 0; 1706 } 1707 1708 Static int 1709 zyd_switch_radio(struct zyd_softc *sc, int on) 1710 { 1711 struct zyd_rf *rf = &sc->sc_rf; 1712 int error; 1713 1714 zyd_lock_phy(sc); 1715 error = (*rf->switch_radio)(rf, on); 1716 zyd_unlock_phy(sc); 1717 1718 return error; 1719 } 1720 1721 Static void 1722 zyd_set_led(struct zyd_softc *sc, int which, int on) 1723 { 1724 uint32_t tmp; 1725 1726 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1727 tmp &= ~which; 1728 if (on) 1729 tmp |= which; 1730 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1731 } 1732 1733 Static int 1734 zyd_set_rxfilter(struct zyd_softc *sc) 1735 { 1736 uint32_t rxfilter; 1737 1738 switch (sc->sc_ic.ic_opmode) { 1739 case IEEE80211_M_STA: 1740 rxfilter = ZYD_FILTER_BSS; 1741 break; 1742 case IEEE80211_M_IBSS: 1743 case IEEE80211_M_HOSTAP: 1744 rxfilter = ZYD_FILTER_HOSTAP; 1745 break; 1746 case IEEE80211_M_MONITOR: 1747 rxfilter = ZYD_FILTER_MONITOR; 1748 break; 1749 default: 1750 /* should not get there */ 1751 return EINVAL; 1752 } 1753 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1754 } 1755 1756 Static void 1757 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1758 { 1759 struct ieee80211com *ic = &sc->sc_ic; 1760 struct zyd_rf *rf = &sc->sc_rf; 1761 u_int chan; 1762 1763 chan = ieee80211_chan2ieee(ic, c); 1764 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1765 return; 1766 1767 zyd_lock_phy(sc); 1768 1769 (*rf->set_channel)(rf, chan); 1770 1771 /* update Tx power */ 1772 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1773 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1774 1775 if (sc->mac_rev == ZYD_ZD1211B) { 1776 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1777 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1778 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1779 1780 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1781 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1782 } 1783 1784 zyd_unlock_phy(sc); 1785 } 1786 1787 Static int 1788 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1789 { 1790 /* XXX this is probably broken.. */ 1791 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1792 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1793 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1794 1795 return 0; 1796 } 1797 1798 Static uint8_t 1799 zyd_plcp_signal(int rate) 1800 { 1801 switch (rate) { 1802 /* CCK rates (returned values are device-dependent) */ 1803 case 2: return 0x0; 1804 case 4: return 0x1; 1805 case 11: return 0x2; 1806 case 22: return 0x3; 1807 1808 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1809 case 12: return 0xb; 1810 case 18: return 0xf; 1811 case 24: return 0xa; 1812 case 36: return 0xe; 1813 case 48: return 0x9; 1814 case 72: return 0xd; 1815 case 96: return 0x8; 1816 case 108: return 0xc; 1817 1818 /* unsupported rates (should not get there) */ 1819 default: return 0xff; 1820 } 1821 } 1822 1823 Static void 1824 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1825 { 1826 struct zyd_softc *sc = (struct zyd_softc *)priv; 1827 struct zyd_cmd *cmd; 1828 uint32_t datalen; 1829 1830 if (status != USBD_NORMAL_COMPLETION) { 1831 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1832 return; 1833 1834 if (status == USBD_STALLED) { 1835 usbd_clear_endpoint_stall_async( 1836 sc->zyd_ep[ZYD_ENDPT_IIN]); 1837 } 1838 return; 1839 } 1840 1841 cmd = (struct zyd_cmd *)sc->ibuf; 1842 1843 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1844 struct zyd_notif_retry *retry = 1845 (struct zyd_notif_retry *)cmd->data; 1846 struct ieee80211com *ic = &sc->sc_ic; 1847 struct ifnet *ifp = &sc->sc_if; 1848 struct ieee80211_node *ni; 1849 1850 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1851 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1852 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1853 1854 /* 1855 * Find the node to which the packet was sent and update its 1856 * retry statistics. In BSS mode, this node is the AP we're 1857 * associated to so no lookup is actually needed. 1858 */ 1859 if (ic->ic_opmode != IEEE80211_M_STA) { 1860 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1861 if (ni == NULL) 1862 return; /* just ignore */ 1863 } else 1864 ni = ic->ic_bss; 1865 1866 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1867 1868 if (le16toh(retry->count) & 0x100) 1869 ifp->if_oerrors++; /* too many retries */ 1870 1871 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1872 struct rq *rqp; 1873 1874 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1875 return; /* HMAC interrupt */ 1876 1877 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1878 datalen -= sizeof(cmd->code); 1879 datalen -= 2; /* XXX: padding? */ 1880 1881 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1882 int i; 1883 1884 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1885 continue; 1886 for (i = 0; i < rqp->len; i++) { 1887 if (*(((const uint16_t *)rqp->idata) + i) != 1888 (((struct zyd_pair *)cmd->data) + i)->reg) 1889 break; 1890 } 1891 if (i != rqp->len) 1892 continue; 1893 1894 /* copy answer into caller-supplied buffer */ 1895 bcopy(cmd->data, rqp->odata, 1896 sizeof(struct zyd_pair) * rqp->len); 1897 wakeup(rqp->odata); /* wakeup caller */ 1898 1899 return; 1900 } 1901 return; /* unexpected IORD notification */ 1902 } else { 1903 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1904 le16toh(cmd->code)); 1905 } 1906 } 1907 1908 Static void 1909 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1910 { 1911 struct ieee80211com *ic = &sc->sc_ic; 1912 struct ifnet *ifp = &sc->sc_if; 1913 struct ieee80211_node *ni; 1914 struct ieee80211_frame *wh; 1915 const struct zyd_plcphdr *plcp; 1916 const struct zyd_rx_stat *stat; 1917 struct mbuf *m; 1918 int rlen, s; 1919 1920 if (len < ZYD_MIN_FRAGSZ) { 1921 printf("%s: frame too short (length=%d)\n", 1922 device_xname(sc->sc_dev), len); 1923 ifp->if_ierrors++; 1924 return; 1925 } 1926 1927 plcp = (const struct zyd_plcphdr *)buf; 1928 stat = (const struct zyd_rx_stat *) 1929 (buf + len - sizeof (struct zyd_rx_stat)); 1930 1931 if (stat->flags & ZYD_RX_ERROR) { 1932 DPRINTF(("%s: RX status indicated error (%x)\n", 1933 device_xname(sc->sc_dev), stat->flags)); 1934 ifp->if_ierrors++; 1935 return; 1936 } 1937 1938 /* compute actual frame length */ 1939 rlen = len - sizeof (struct zyd_plcphdr) - 1940 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1941 1942 /* allocate a mbuf to store the frame */ 1943 MGETHDR(m, M_DONTWAIT, MT_DATA); 1944 if (m == NULL) { 1945 printf("%s: could not allocate rx mbuf\n", 1946 device_xname(sc->sc_dev)); 1947 ifp->if_ierrors++; 1948 return; 1949 } 1950 if (rlen > MHLEN) { 1951 MCLGET(m, M_DONTWAIT); 1952 if (!(m->m_flags & M_EXT)) { 1953 printf("%s: could not allocate rx mbuf cluster\n", 1954 device_xname(sc->sc_dev)); 1955 m_freem(m); 1956 ifp->if_ierrors++; 1957 return; 1958 } 1959 } 1960 m->m_pkthdr.rcvif = ifp; 1961 m->m_pkthdr.len = m->m_len = rlen; 1962 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1963 1964 s = splnet(); 1965 1966 #if NBPFILTER > 0 1967 if (sc->sc_drvbpf != NULL) { 1968 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1969 static const uint8_t rates[] = { 1970 /* reverse function of zyd_plcp_signal() */ 1971 2, 4, 11, 22, 0, 0, 0, 0, 1972 96, 48, 24, 12, 108, 72, 36, 18 1973 }; 1974 1975 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1976 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1977 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1978 tap->wr_rssi = stat->rssi; 1979 tap->wr_rate = rates[plcp->signal & 0xf]; 1980 1981 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1982 } 1983 #endif 1984 1985 wh = mtod(m, struct ieee80211_frame *); 1986 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1987 ieee80211_input(ic, m, ni, stat->rssi, 0); 1988 1989 /* node is no longer needed */ 1990 ieee80211_free_node(ni); 1991 1992 splx(s); 1993 } 1994 1995 Static void 1996 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1997 { 1998 struct zyd_rx_data *data = priv; 1999 struct zyd_softc *sc = data->sc; 2000 struct ifnet *ifp = &sc->sc_if; 2001 const struct zyd_rx_desc *desc; 2002 int len; 2003 2004 if (status != USBD_NORMAL_COMPLETION) { 2005 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2006 return; 2007 2008 if (status == USBD_STALLED) 2009 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2010 2011 goto skip; 2012 } 2013 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2014 2015 if (len < ZYD_MIN_RXBUFSZ) { 2016 printf("%s: xfer too short (length=%d)\n", 2017 device_xname(sc->sc_dev), len); 2018 ifp->if_ierrors++; 2019 goto skip; 2020 } 2021 2022 desc = (const struct zyd_rx_desc *) 2023 (data->buf + len - sizeof (struct zyd_rx_desc)); 2024 2025 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2026 const uint8_t *p = data->buf, *end = p + len; 2027 int i; 2028 2029 DPRINTFN(3, ("received multi-frame transfer\n")); 2030 2031 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2032 const uint16_t len16 = UGETW(desc->len[i]); 2033 2034 if (len16 == 0 || p + len16 > end) 2035 break; 2036 2037 zyd_rx_data(sc, p, len16); 2038 /* next frame is aligned on a 32-bit boundary */ 2039 p += (len16 + 3) & ~3; 2040 } 2041 } else { 2042 DPRINTFN(3, ("received single-frame transfer\n")); 2043 2044 zyd_rx_data(sc, data->buf, len); 2045 } 2046 2047 skip: /* setup a new transfer */ 2048 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2049 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2050 USBD_NO_TIMEOUT, zyd_rxeof); 2051 (void)usbd_transfer(xfer); 2052 } 2053 2054 Static int 2055 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2056 { 2057 struct ieee80211com *ic = &sc->sc_ic; 2058 struct ifnet *ifp = &sc->sc_if; 2059 struct zyd_tx_desc *desc; 2060 struct zyd_tx_data *data; 2061 struct ieee80211_frame *wh; 2062 struct ieee80211_key *k; 2063 int xferlen, totlen, rate; 2064 uint16_t pktlen; 2065 usbd_status error; 2066 2067 data = &sc->tx_data[0]; 2068 desc = (struct zyd_tx_desc *)data->buf; 2069 2070 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2071 2072 wh = mtod(m0, struct ieee80211_frame *); 2073 2074 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2075 k = ieee80211_crypto_encap(ic, ni, m0); 2076 if (k == NULL) { 2077 m_freem(m0); 2078 return ENOBUFS; 2079 } 2080 } 2081 2082 data->ni = ni; 2083 2084 wh = mtod(m0, struct ieee80211_frame *); 2085 2086 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2087 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2088 2089 /* fill Tx descriptor */ 2090 desc->len = htole16(totlen); 2091 2092 desc->flags = ZYD_TX_FLAG_BACKOFF; 2093 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2094 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2095 if (totlen > ic->ic_rtsthreshold) { 2096 desc->flags |= ZYD_TX_FLAG_RTS; 2097 } else if (ZYD_RATE_IS_OFDM(rate) && 2098 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2099 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2100 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2101 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2102 desc->flags |= ZYD_TX_FLAG_RTS; 2103 } 2104 } else 2105 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2106 2107 if ((wh->i_fc[0] & 2108 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2109 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2110 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2111 2112 desc->phy = zyd_plcp_signal(rate); 2113 if (ZYD_RATE_IS_OFDM(rate)) { 2114 desc->phy |= ZYD_TX_PHY_OFDM; 2115 if (ic->ic_curmode == IEEE80211_MODE_11A) 2116 desc->phy |= ZYD_TX_PHY_5GHZ; 2117 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2118 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2119 2120 /* actual transmit length (XXX why +10?) */ 2121 pktlen = sizeof (struct zyd_tx_desc) + 10; 2122 if (sc->mac_rev == ZYD_ZD1211) 2123 pktlen += totlen; 2124 desc->pktlen = htole16(pktlen); 2125 2126 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2127 desc->plcp_service = 0; 2128 if (rate == 22) { 2129 const int remainder = (16 * totlen) % 22; 2130 if (remainder != 0 && remainder < 7) 2131 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2132 } 2133 2134 #if NBPFILTER > 0 2135 if (sc->sc_drvbpf != NULL) { 2136 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2137 2138 tap->wt_flags = 0; 2139 tap->wt_rate = rate; 2140 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2141 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2142 2143 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2144 } 2145 #endif 2146 2147 m_copydata(m0, 0, m0->m_pkthdr.len, 2148 data->buf + sizeof (struct zyd_tx_desc)); 2149 2150 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2151 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2152 2153 m_freem(m0); /* mbuf no longer needed */ 2154 2155 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2156 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2157 ZYD_TX_TIMEOUT, zyd_txeof); 2158 error = usbd_transfer(data->xfer); 2159 if (error != USBD_IN_PROGRESS && error != 0) { 2160 ifp->if_oerrors++; 2161 return EIO; 2162 } 2163 sc->tx_queued++; 2164 2165 return 0; 2166 } 2167 2168 Static void 2169 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2170 { 2171 struct zyd_tx_data *data = priv; 2172 struct zyd_softc *sc = data->sc; 2173 struct ifnet *ifp = &sc->sc_if; 2174 int s; 2175 2176 if (status != USBD_NORMAL_COMPLETION) { 2177 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2178 return; 2179 2180 printf("%s: could not transmit buffer: %s\n", 2181 device_xname(sc->sc_dev), usbd_errstr(status)); 2182 2183 if (status == USBD_STALLED) { 2184 usbd_clear_endpoint_stall_async( 2185 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2186 } 2187 ifp->if_oerrors++; 2188 return; 2189 } 2190 2191 s = splnet(); 2192 2193 /* update rate control statistics */ 2194 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2195 2196 ieee80211_free_node(data->ni); 2197 data->ni = NULL; 2198 2199 sc->tx_queued--; 2200 ifp->if_opackets++; 2201 2202 sc->tx_timer = 0; 2203 ifp->if_flags &= ~IFF_OACTIVE; 2204 zyd_start(ifp); 2205 2206 splx(s); 2207 } 2208 2209 Static int 2210 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2211 { 2212 struct ieee80211com *ic = &sc->sc_ic; 2213 struct ifnet *ifp = &sc->sc_if; 2214 struct zyd_tx_desc *desc; 2215 struct zyd_tx_data *data; 2216 struct ieee80211_frame *wh; 2217 struct ieee80211_key *k; 2218 int xferlen, totlen, rate; 2219 uint16_t pktlen; 2220 usbd_status error; 2221 2222 wh = mtod(m0, struct ieee80211_frame *); 2223 2224 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2225 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2226 else 2227 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2228 rate &= IEEE80211_RATE_VAL; 2229 2230 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2231 k = ieee80211_crypto_encap(ic, ni, m0); 2232 if (k == NULL) { 2233 m_freem(m0); 2234 return ENOBUFS; 2235 } 2236 2237 /* packet header may have moved, reset our local pointer */ 2238 wh = mtod(m0, struct ieee80211_frame *); 2239 } 2240 2241 data = &sc->tx_data[0]; 2242 desc = (struct zyd_tx_desc *)data->buf; 2243 2244 data->ni = ni; 2245 2246 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2247 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2248 2249 /* fill Tx descriptor */ 2250 desc->len = htole16(totlen); 2251 2252 desc->flags = ZYD_TX_FLAG_BACKOFF; 2253 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2254 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2255 if (totlen > ic->ic_rtsthreshold) { 2256 desc->flags |= ZYD_TX_FLAG_RTS; 2257 } else if (ZYD_RATE_IS_OFDM(rate) && 2258 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2259 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2260 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2261 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2262 desc->flags |= ZYD_TX_FLAG_RTS; 2263 } 2264 } else 2265 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2266 2267 if ((wh->i_fc[0] & 2268 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2269 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2270 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2271 2272 desc->phy = zyd_plcp_signal(rate); 2273 if (ZYD_RATE_IS_OFDM(rate)) { 2274 desc->phy |= ZYD_TX_PHY_OFDM; 2275 if (ic->ic_curmode == IEEE80211_MODE_11A) 2276 desc->phy |= ZYD_TX_PHY_5GHZ; 2277 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2278 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2279 2280 /* actual transmit length (XXX why +10?) */ 2281 pktlen = sizeof (struct zyd_tx_desc) + 10; 2282 if (sc->mac_rev == ZYD_ZD1211) 2283 pktlen += totlen; 2284 desc->pktlen = htole16(pktlen); 2285 2286 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2287 desc->plcp_service = 0; 2288 if (rate == 22) { 2289 const int remainder = (16 * totlen) % 22; 2290 if (remainder != 0 && remainder < 7) 2291 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2292 } 2293 2294 #if NBPFILTER > 0 2295 if (sc->sc_drvbpf != NULL) { 2296 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2297 2298 tap->wt_flags = 0; 2299 tap->wt_rate = rate; 2300 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2301 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2302 2303 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2304 } 2305 #endif 2306 2307 m_copydata(m0, 0, m0->m_pkthdr.len, 2308 data->buf + sizeof (struct zyd_tx_desc)); 2309 2310 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2311 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2312 2313 m_freem(m0); /* mbuf no longer needed */ 2314 2315 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2316 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2317 ZYD_TX_TIMEOUT, zyd_txeof); 2318 error = usbd_transfer(data->xfer); 2319 if (error != USBD_IN_PROGRESS && error != 0) { 2320 ifp->if_oerrors++; 2321 return EIO; 2322 } 2323 sc->tx_queued++; 2324 2325 return 0; 2326 } 2327 2328 Static void 2329 zyd_start(struct ifnet *ifp) 2330 { 2331 struct zyd_softc *sc = ifp->if_softc; 2332 struct ieee80211com *ic = &sc->sc_ic; 2333 struct ether_header *eh; 2334 struct ieee80211_node *ni; 2335 struct mbuf *m0; 2336 2337 for (;;) { 2338 IF_POLL(&ic->ic_mgtq, m0); 2339 if (m0 != NULL) { 2340 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2341 ifp->if_flags |= IFF_OACTIVE; 2342 break; 2343 } 2344 IF_DEQUEUE(&ic->ic_mgtq, m0); 2345 2346 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2347 m0->m_pkthdr.rcvif = NULL; 2348 #if NBPFILTER > 0 2349 if (ic->ic_rawbpf != NULL) 2350 bpf_mtap(ic->ic_rawbpf, m0); 2351 #endif 2352 if (zyd_tx_mgt(sc, m0, ni) != 0) 2353 break; 2354 } else { 2355 if (ic->ic_state != IEEE80211_S_RUN) 2356 break; 2357 IFQ_POLL(&ifp->if_snd, m0); 2358 if (m0 == NULL) 2359 break; 2360 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2361 ifp->if_flags |= IFF_OACTIVE; 2362 break; 2363 } 2364 IFQ_DEQUEUE(&ifp->if_snd, m0); 2365 2366 if (m0->m_len < sizeof(struct ether_header) && 2367 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2368 continue; 2369 2370 eh = mtod(m0, struct ether_header *); 2371 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2372 if (ni == NULL) { 2373 m_freem(m0); 2374 continue; 2375 } 2376 #if NBPFILTER > 0 2377 if (ifp->if_bpf != NULL) 2378 bpf_mtap(ifp->if_bpf, m0); 2379 #endif 2380 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2381 ieee80211_free_node(ni); 2382 ifp->if_oerrors++; 2383 continue; 2384 } 2385 #if NBPFILTER > 0 2386 if (ic->ic_rawbpf != NULL) 2387 bpf_mtap(ic->ic_rawbpf, m0); 2388 #endif 2389 if (zyd_tx_data(sc, m0, ni) != 0) { 2390 ieee80211_free_node(ni); 2391 ifp->if_oerrors++; 2392 break; 2393 } 2394 } 2395 2396 sc->tx_timer = 5; 2397 ifp->if_timer = 1; 2398 } 2399 } 2400 2401 Static void 2402 zyd_watchdog(struct ifnet *ifp) 2403 { 2404 struct zyd_softc *sc = ifp->if_softc; 2405 struct ieee80211com *ic = &sc->sc_ic; 2406 2407 ifp->if_timer = 0; 2408 2409 if (sc->tx_timer > 0) { 2410 if (--sc->tx_timer == 0) { 2411 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2412 /* zyd_init(ifp); XXX needs a process context ? */ 2413 ifp->if_oerrors++; 2414 return; 2415 } 2416 ifp->if_timer = 1; 2417 } 2418 2419 ieee80211_watchdog(ic); 2420 } 2421 2422 Static int 2423 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2424 { 2425 struct zyd_softc *sc = ifp->if_softc; 2426 struct ieee80211com *ic = &sc->sc_ic; 2427 int s, error = 0; 2428 2429 s = splnet(); 2430 2431 switch (cmd) { 2432 case SIOCSIFFLAGS: 2433 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2434 break; 2435 /* XXX re-use ether_ioctl() */ 2436 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2437 case IFF_UP: 2438 zyd_init(ifp); 2439 break; 2440 case IFF_RUNNING: 2441 zyd_stop(ifp, 1); 2442 break; 2443 default: 2444 break; 2445 } 2446 break; 2447 2448 default: 2449 if (!sc->attached) 2450 error = ENXIO; 2451 else 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 Mon Oct 13 01:09:56 GMT 2025