if_zyd.c revision 1.33
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.33 2012/12/27 16:42:32 skrll 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 1.33 2012/12/27 16:42:32 skrll Exp $"); 26 27 28 #include <sys/param.h> 29 #include <sys/sockio.h> 30 #include <sys/proc.h> 31 #include <sys/mbuf.h> 32 #include <sys/kernel.h> 33 #include <sys/socket.h> 34 #include <sys/systm.h> 35 #include <sys/malloc.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 39 #include <sys/bus.h> 40 #include <machine/endian.h> 41 42 #include <net/bpf.h> 43 #include <net/if.h> 44 #include <net/if_arp.h> 45 #include <net/if_dl.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 #include <net/if_types.h> 49 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/in_var.h> 53 #include <netinet/ip.h> 54 55 #include <net80211/ieee80211_netbsd.h> 56 #include <net80211/ieee80211_var.h> 57 #include <net80211/ieee80211_amrr.h> 58 #include <net80211/ieee80211_radiotap.h> 59 60 #include <dev/firmload.h> 61 62 #include <dev/usb/usb.h> 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdi_util.h> 65 #include <dev/usb/usbdevs.h> 66 67 #include <dev/usb/if_zydreg.h> 68 69 #ifdef USB_DEBUG 70 #define ZYD_DEBUG 71 #endif 72 73 #ifdef ZYD_DEBUG 74 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 75 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 76 int zyddebug = 0; 77 #else 78 #define DPRINTF(x) 79 #define DPRINTFN(n, x) 80 #endif 81 82 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 83 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 84 85 /* various supported device vendors/products */ 86 #define ZYD_ZD1211_DEV(v, p) \ 87 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 88 #define ZYD_ZD1211B_DEV(v, p) \ 89 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 90 static const struct zyd_type { 91 struct usb_devno dev; 92 uint8_t rev; 93 #define ZYD_ZD1211 0 94 #define ZYD_ZD1211B 1 95 } zyd_devs[] = { 96 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 97 ZYD_ZD1211_DEV(ABOCOM, WL54), 98 ZYD_ZD1211_DEV(ASUSTEK, WL159G), 99 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 100 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 101 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 102 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 103 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 104 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 105 ZYD_ZD1211_DEV(SAGEM, XG760A), 106 ZYD_ZD1211_DEV(SENAO, NUB8301), 107 ZYD_ZD1211_DEV(SITECOMEU, WL113), 108 ZYD_ZD1211_DEV(SWEEX, ZD1211), 109 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 110 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 111 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 112 ZYD_ZD1211_DEV(TWINMOS, G240), 113 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 114 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 115 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 116 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 117 ZYD_ZD1211_DEV(ZCOM, ZD1211), 118 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 119 ZYD_ZD1211_DEV(ZYXEL, AG225H), 120 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 121 ZYD_ZD1211_DEV(ZYXEL, G200V2), 122 123 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 124 ZYD_ZD1211B_DEV(ACCTON, WN4501H_LF_IR), 125 ZYD_ZD1211B_DEV(ACCTON, WUS201), 126 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 127 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 128 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 129 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 130 ZYD_ZD1211B_DEV(BEWAN, BWIFI_USB54AR), 131 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 132 ZYD_ZD1211B_DEV(CYBERTAN, ZD1211B), 133 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 134 ZYD_ZD1211B_DEV(MELCO, KG54L), 135 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 136 ZYD_ZD1211B_DEV(PHILIPS, SNU5630NS05), 137 ZYD_ZD1211B_DEV(PLANEX2, GWUS54GXS), 138 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 139 ZYD_ZD1211B_DEV(SITECOMEU, WL603), 140 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 141 ZYD_ZD1211B_DEV(SONY, IFU_WLM2), 142 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 143 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 144 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 145 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 146 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 147 ZYD_ZD1211B_DEV(USR, USR5423), 148 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 149 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 150 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 151 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B_2), 152 ZYD_ZD1211B_DEV(ZYXEL, M202), 153 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 154 }; 155 #define zyd_lookup(v, p) \ 156 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 157 158 int zyd_match(device_t, cfdata_t, void *); 159 void zyd_attach(device_t, device_t, void *); 160 int zyd_detach(device_t, int); 161 int zyd_activate(device_t, enum devact); 162 extern struct cfdriver zyd_cd; 163 164 CFATTACH_DECL_NEW(zyd, sizeof(struct zyd_softc), zyd_match, 165 zyd_attach, zyd_detach, zyd_activate); 166 167 Static void zyd_attachhook(device_t); 168 Static int zyd_complete_attach(struct zyd_softc *); 169 Static int zyd_open_pipes(struct zyd_softc *); 170 Static void zyd_close_pipes(struct zyd_softc *); 171 Static int zyd_alloc_tx_list(struct zyd_softc *); 172 Static void zyd_free_tx_list(struct zyd_softc *); 173 Static int zyd_alloc_rx_list(struct zyd_softc *); 174 Static void zyd_free_rx_list(struct zyd_softc *); 175 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 176 Static int zyd_media_change(struct ifnet *); 177 Static void zyd_next_scan(void *); 178 Static void zyd_task(void *); 179 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 180 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 181 void *, int, u_int); 182 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 183 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 184 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 185 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 186 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 187 Static void zyd_lock_phy(struct zyd_softc *); 188 Static void zyd_unlock_phy(struct zyd_softc *); 189 Static int zyd_rfmd_init(struct zyd_rf *); 190 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 191 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 192 Static int zyd_al2230_init(struct zyd_rf *); 193 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 194 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 195 Static int zyd_al2230_init_b(struct zyd_rf *); 196 Static int zyd_al7230B_init(struct zyd_rf *); 197 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 198 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 199 Static int zyd_al2210_init(struct zyd_rf *); 200 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 201 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 202 Static int zyd_gct_init(struct zyd_rf *); 203 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 204 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 205 Static int zyd_maxim_init(struct zyd_rf *); 206 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 207 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 208 Static int zyd_maxim2_init(struct zyd_rf *); 209 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 210 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 211 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 212 Static const char *zyd_rf_name(uint8_t); 213 Static int zyd_hw_init(struct zyd_softc *); 214 Static int zyd_read_eeprom(struct zyd_softc *); 215 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 216 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 217 Static int zyd_switch_radio(struct zyd_softc *, int); 218 Static void zyd_set_led(struct zyd_softc *, int, int); 219 Static int zyd_set_rxfilter(struct zyd_softc *); 220 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 221 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 222 Static uint8_t zyd_plcp_signal(int); 223 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 224 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 225 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 226 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 227 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 228 struct ieee80211_node *); 229 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 230 struct ieee80211_node *); 231 Static void zyd_start(struct ifnet *); 232 Static void zyd_watchdog(struct ifnet *); 233 Static int zyd_ioctl(struct ifnet *, u_long, void *); 234 Static int zyd_init(struct ifnet *); 235 Static void zyd_stop(struct ifnet *, int); 236 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 237 Static void zyd_iter_func(void *, struct ieee80211_node *); 238 Static void zyd_amrr_timeout(void *); 239 Static void zyd_newassoc(struct ieee80211_node *, int); 240 241 static const struct ieee80211_rateset zyd_rateset_11b = 242 { 4, { 2, 4, 11, 22 } }; 243 244 static const struct ieee80211_rateset zyd_rateset_11g = 245 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 246 247 int 248 zyd_match(device_t parent, cfdata_t match, void *aux) 249 { 250 struct usb_attach_arg *uaa = aux; 251 252 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 253 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 254 } 255 256 Static void 257 zyd_attachhook(device_t self) 258 { 259 struct zyd_softc *sc = device_private(self); 260 firmware_handle_t fwh; 261 const char *fwname; 262 u_char *fw; 263 size_t size; 264 int error; 265 266 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 267 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 268 aprint_error_dev(sc->sc_dev, 269 "failed to open firmware %s (error=%d)\n", fwname, error); 270 return; 271 } 272 size = firmware_get_size(fwh); 273 fw = firmware_malloc(size); 274 if (fw == NULL) { 275 aprint_error_dev(sc->sc_dev, 276 "failed to allocate firmware memory\n"); 277 firmware_close(fwh); 278 return; 279 } 280 error = firmware_read(fwh, 0, fw, size); 281 firmware_close(fwh); 282 if (error != 0) { 283 aprint_error_dev(sc->sc_dev, 284 "failed to read firmware (error %d)\n", error); 285 firmware_free(fw, 0); 286 return; 287 } 288 289 error = zyd_loadfirmware(sc, fw, size); 290 if (error != 0) { 291 aprint_error_dev(sc->sc_dev, 292 "could not load firmware (error=%d)\n", error); 293 firmware_free(fw, 0); 294 return; 295 } 296 297 firmware_free(fw, 0); 298 sc->sc_flags |= ZD1211_FWLOADED; 299 300 /* complete the attach process */ 301 if ((error = zyd_complete_attach(sc)) == 0) 302 sc->attached = 1; 303 return; 304 } 305 306 void 307 zyd_attach(device_t parent, device_t self, void *aux) 308 { 309 struct zyd_softc *sc = device_private(self); 310 struct usb_attach_arg *uaa = aux; 311 char *devinfop; 312 usb_device_descriptor_t* ddesc; 313 struct ifnet *ifp = &sc->sc_if; 314 315 sc->sc_dev = self; 316 sc->sc_udev = uaa->device; 317 sc->sc_flags = 0; 318 319 aprint_naive("\n"); 320 aprint_normal("\n"); 321 322 devinfop = usbd_devinfo_alloc(uaa->device, 0); 323 aprint_normal_dev(self, "%s\n", devinfop); 324 usbd_devinfo_free(devinfop); 325 326 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 327 328 ddesc = usbd_get_device_descriptor(sc->sc_udev); 329 if (UGETW(ddesc->bcdDevice) < 0x4330) { 330 aprint_error_dev(self, "device version mismatch: 0x%x " 331 "(only >= 43.30 supported)\n", UGETW(ddesc->bcdDevice)); 332 return; 333 } 334 335 ifp->if_softc = sc; 336 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 337 ifp->if_init = zyd_init; 338 ifp->if_ioctl = zyd_ioctl; 339 ifp->if_start = zyd_start; 340 ifp->if_watchdog = zyd_watchdog; 341 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 342 IFQ_SET_READY(&ifp->if_snd); 343 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 344 345 SIMPLEQ_INIT(&sc->sc_rqh); 346 347 /* defer configrations after file system is ready to load firmware */ 348 config_mountroot(self, zyd_attachhook); 349 } 350 351 Static int 352 zyd_complete_attach(struct zyd_softc *sc) 353 { 354 struct ieee80211com *ic = &sc->sc_ic; 355 struct ifnet *ifp = &sc->sc_if; 356 usbd_status error; 357 int i; 358 359 usb_init_task(&sc->sc_task, zyd_task, sc); 360 callout_init(&(sc->sc_scan_ch), 0); 361 362 sc->amrr.amrr_min_success_threshold = 1; 363 sc->amrr.amrr_max_success_threshold = 10; 364 callout_init(&sc->sc_amrr_ch, 0); 365 366 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 367 if (error != 0) { 368 aprint_error_dev(sc->sc_dev, "failed to set configuration" 369 ", err=%s\n", usbd_errstr(error)); 370 goto fail; 371 } 372 373 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 374 &sc->sc_iface); 375 if (error != 0) { 376 aprint_error_dev(sc->sc_dev, 377 "getting interface handle failed\n"); 378 goto fail; 379 } 380 381 if ((error = zyd_open_pipes(sc)) != 0) { 382 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 383 goto fail; 384 } 385 386 if ((error = zyd_read_eeprom(sc)) != 0) { 387 aprint_error_dev(sc->sc_dev, "could not read EEPROM\n"); 388 goto fail; 389 } 390 391 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 392 aprint_error_dev(sc->sc_dev, "could not attach RF\n"); 393 goto fail; 394 } 395 396 if ((error = zyd_hw_init(sc)) != 0) { 397 aprint_error_dev(sc->sc_dev, 398 "hardware initialization failed\n"); 399 goto fail; 400 } 401 402 aprint_normal_dev(sc->sc_dev, 403 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 404 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 405 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 406 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 407 408 ic->ic_ifp = ifp; 409 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 410 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 411 ic->ic_state = IEEE80211_S_INIT; 412 413 /* set device capabilities */ 414 ic->ic_caps = 415 IEEE80211_C_MONITOR | /* monitor mode supported */ 416 IEEE80211_C_TXPMGT | /* tx power management */ 417 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 418 IEEE80211_C_WEP; /* s/w WEP */ 419 420 /* set supported .11b and .11g rates */ 421 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 422 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 423 424 /* set supported .11b and .11g channels (1 through 14) */ 425 for (i = 1; i <= 14; i++) { 426 ic->ic_channels[i].ic_freq = 427 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 428 ic->ic_channels[i].ic_flags = 429 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 430 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 431 } 432 433 if_attach(ifp); 434 ieee80211_ifattach(ic); 435 ic->ic_node_alloc = zyd_node_alloc; 436 ic->ic_newassoc = zyd_newassoc; 437 438 /* override state transition machine */ 439 sc->sc_newstate = ic->ic_newstate; 440 ic->ic_newstate = zyd_newstate; 441 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 442 443 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 444 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 445 &sc->sc_drvbpf); 446 447 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 448 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 449 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 450 451 sc->sc_txtap_len = sizeof sc->sc_txtapu; 452 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 453 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 454 455 ieee80211_announce(ic); 456 457 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 458 459 fail: return error; 460 } 461 462 int 463 zyd_detach(device_t self, int flags) 464 { 465 struct zyd_softc *sc = device_private(self); 466 struct ieee80211com *ic = &sc->sc_ic; 467 struct ifnet *ifp = &sc->sc_if; 468 int s; 469 470 if (!sc->attached) 471 return 0; 472 473 s = splusb(); 474 475 zyd_stop(ifp, 1); 476 usb_rem_task(sc->sc_udev, &sc->sc_task); 477 callout_stop(&sc->sc_scan_ch); 478 callout_stop(&sc->sc_amrr_ch); 479 480 zyd_close_pipes(sc); 481 482 sc->attached = 0; 483 484 bpf_detach(ifp); 485 ieee80211_ifdetach(ic); 486 if_detach(ifp); 487 488 splx(s); 489 490 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 491 sc->sc_dev); 492 493 return 0; 494 } 495 496 Static int 497 zyd_open_pipes(struct zyd_softc *sc) 498 { 499 usb_endpoint_descriptor_t *edesc; 500 int isize; 501 usbd_status error; 502 503 /* interrupt in */ 504 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 505 if (edesc == NULL) 506 return EINVAL; 507 508 isize = UGETW(edesc->wMaxPacketSize); 509 if (isize == 0) /* should not happen */ 510 return EINVAL; 511 512 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 513 if (sc->ibuf == NULL) 514 return ENOMEM; 515 516 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 517 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 518 USBD_DEFAULT_INTERVAL); 519 if (error != 0) { 520 printf("%s: open rx intr pipe failed: %s\n", 521 device_xname(sc->sc_dev), usbd_errstr(error)); 522 goto fail; 523 } 524 525 /* interrupt out (not necessarily an interrupt pipe) */ 526 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 527 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 528 if (error != 0) { 529 printf("%s: open tx intr pipe failed: %s\n", 530 device_xname(sc->sc_dev), usbd_errstr(error)); 531 goto fail; 532 } 533 534 /* bulk in */ 535 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 536 &sc->zyd_ep[ZYD_ENDPT_BIN]); 537 if (error != 0) { 538 printf("%s: open rx pipe failed: %s\n", 539 device_xname(sc->sc_dev), usbd_errstr(error)); 540 goto fail; 541 } 542 543 /* bulk out */ 544 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 545 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 546 if (error != 0) { 547 printf("%s: open tx pipe failed: %s\n", 548 device_xname(sc->sc_dev), usbd_errstr(error)); 549 goto fail; 550 } 551 552 return 0; 553 554 fail: zyd_close_pipes(sc); 555 return error; 556 } 557 558 Static void 559 zyd_close_pipes(struct zyd_softc *sc) 560 { 561 int i; 562 563 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 564 if (sc->zyd_ep[i] != NULL) { 565 usbd_abort_pipe(sc->zyd_ep[i]); 566 usbd_close_pipe(sc->zyd_ep[i]); 567 sc->zyd_ep[i] = NULL; 568 } 569 } 570 if (sc->ibuf != NULL) { 571 free(sc->ibuf, M_USBDEV); 572 sc->ibuf = NULL; 573 } 574 } 575 576 Static int 577 zyd_alloc_tx_list(struct zyd_softc *sc) 578 { 579 int i, error; 580 581 sc->tx_queued = 0; 582 583 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 584 struct zyd_tx_data *data = &sc->tx_data[i]; 585 586 data->sc = sc; /* backpointer for callbacks */ 587 588 data->xfer = usbd_alloc_xfer(sc->sc_udev); 589 if (data->xfer == NULL) { 590 printf("%s: could not allocate tx xfer\n", 591 device_xname(sc->sc_dev)); 592 error = ENOMEM; 593 goto fail; 594 } 595 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 596 if (data->buf == NULL) { 597 printf("%s: could not allocate tx buffer\n", 598 device_xname(sc->sc_dev)); 599 error = ENOMEM; 600 goto fail; 601 } 602 603 /* clear Tx descriptor */ 604 memset(data->buf, 0, sizeof (struct zyd_tx_desc)); 605 } 606 return 0; 607 608 fail: zyd_free_tx_list(sc); 609 return error; 610 } 611 612 Static void 613 zyd_free_tx_list(struct zyd_softc *sc) 614 { 615 int i; 616 617 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 618 struct zyd_tx_data *data = &sc->tx_data[i]; 619 620 if (data->xfer != NULL) { 621 usbd_free_xfer(data->xfer); 622 data->xfer = NULL; 623 } 624 if (data->ni != NULL) { 625 ieee80211_free_node(data->ni); 626 data->ni = NULL; 627 } 628 } 629 } 630 631 Static int 632 zyd_alloc_rx_list(struct zyd_softc *sc) 633 { 634 int i, error; 635 636 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 637 struct zyd_rx_data *data = &sc->rx_data[i]; 638 639 data->sc = sc; /* backpointer for callbacks */ 640 641 data->xfer = usbd_alloc_xfer(sc->sc_udev); 642 if (data->xfer == NULL) { 643 printf("%s: could not allocate rx xfer\n", 644 device_xname(sc->sc_dev)); 645 error = ENOMEM; 646 goto fail; 647 } 648 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 649 if (data->buf == NULL) { 650 printf("%s: could not allocate rx buffer\n", 651 device_xname(sc->sc_dev)); 652 error = ENOMEM; 653 goto fail; 654 } 655 } 656 return 0; 657 658 fail: zyd_free_rx_list(sc); 659 return error; 660 } 661 662 Static void 663 zyd_free_rx_list(struct zyd_softc *sc) 664 { 665 int i; 666 667 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 668 struct zyd_rx_data *data = &sc->rx_data[i]; 669 670 if (data->xfer != NULL) { 671 usbd_free_xfer(data->xfer); 672 data->xfer = NULL; 673 } 674 } 675 } 676 677 /* ARGUSED */ 678 Static struct ieee80211_node * 679 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 680 { 681 struct zyd_node *zn; 682 683 zn = malloc(sizeof (struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 684 685 return &zn->ni; 686 } 687 688 Static int 689 zyd_media_change(struct ifnet *ifp) 690 { 691 int error; 692 693 error = ieee80211_media_change(ifp); 694 if (error != ENETRESET) 695 return error; 696 697 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 698 zyd_init(ifp); 699 700 return 0; 701 } 702 703 /* 704 * This function is called periodically (every 200ms) during scanning to 705 * switch from one channel to another. 706 */ 707 Static void 708 zyd_next_scan(void *arg) 709 { 710 struct zyd_softc *sc = arg; 711 struct ieee80211com *ic = &sc->sc_ic; 712 713 if (ic->ic_state == IEEE80211_S_SCAN) 714 ieee80211_next_scan(ic); 715 } 716 717 Static void 718 zyd_task(void *arg) 719 { 720 struct zyd_softc *sc = arg; 721 struct ieee80211com *ic = &sc->sc_ic; 722 enum ieee80211_state ostate; 723 724 ostate = ic->ic_state; 725 726 switch (sc->sc_state) { 727 case IEEE80211_S_INIT: 728 if (ostate == IEEE80211_S_RUN) { 729 /* turn link LED off */ 730 zyd_set_led(sc, ZYD_LED1, 0); 731 732 /* stop data LED from blinking */ 733 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 734 } 735 break; 736 737 case IEEE80211_S_SCAN: 738 zyd_set_chan(sc, ic->ic_curchan); 739 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 740 break; 741 742 case IEEE80211_S_AUTH: 743 case IEEE80211_S_ASSOC: 744 zyd_set_chan(sc, ic->ic_curchan); 745 break; 746 747 case IEEE80211_S_RUN: 748 { 749 struct ieee80211_node *ni = ic->ic_bss; 750 751 zyd_set_chan(sc, ic->ic_curchan); 752 753 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 754 /* turn link LED on */ 755 zyd_set_led(sc, ZYD_LED1, 1); 756 757 /* make data LED blink upon Tx */ 758 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 759 760 zyd_set_bssid(sc, ni->ni_bssid); 761 } 762 763 if (ic->ic_opmode == IEEE80211_M_STA) { 764 /* fake a join to init the tx rate */ 765 zyd_newassoc(ni, 1); 766 } 767 768 /* start automatic rate control timer */ 769 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 770 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 771 772 break; 773 } 774 } 775 776 sc->sc_newstate(ic, sc->sc_state, -1); 777 } 778 779 Static int 780 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 781 { 782 struct zyd_softc *sc = ic->ic_ifp->if_softc; 783 784 if (!sc->attached) 785 return ENXIO; 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 int error; 807 usbd_status uerror; 808 int s = 0; 809 810 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 811 return ENOMEM; 812 813 cmd.code = htole16(code); 814 bcopy(idata, cmd.data, ilen); 815 816 xferflags = USBD_FORCE_SHORT_XFER; 817 if (!(flags & ZYD_CMD_FLAG_READ)) 818 xferflags |= USBD_SYNCHRONOUS; 819 else { 820 s = splusb(); 821 rq.idata = idata; 822 rq.odata = odata; 823 rq.len = olen / sizeof (struct zyd_pair); 824 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 825 } 826 827 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 828 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 829 uerror = usbd_transfer(xfer); 830 if (uerror != USBD_IN_PROGRESS && uerror != 0) { 831 if (flags & ZYD_CMD_FLAG_READ) 832 splx(s); 833 printf("%s: could not send command (error=%s)\n", 834 device_xname(sc->sc_dev), usbd_errstr(uerror)); 835 (void)usbd_free_xfer(xfer); 836 return EIO; 837 } 838 if (!(flags & ZYD_CMD_FLAG_READ)) { 839 (void)usbd_free_xfer(xfer); 840 return 0; /* write: don't wait for reply */ 841 } 842 /* wait at most one second for command reply */ 843 error = tsleep(odata, PCATCH, "zydcmd", hz); 844 if (error == EWOULDBLOCK) 845 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 846 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 847 splx(s); 848 849 (void)usbd_free_xfer(xfer); 850 return error; 851 } 852 853 Static int 854 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 855 { 856 struct zyd_pair tmp; 857 int error; 858 859 reg = htole16(reg); 860 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 861 ZYD_CMD_FLAG_READ); 862 if (error == 0) 863 *val = le16toh(tmp.val); 864 else 865 *val = 0; 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 else 883 *val = 0; 884 return error; 885 } 886 887 Static int 888 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 889 { 890 struct zyd_pair pair; 891 892 pair.reg = htole16(reg); 893 pair.val = htole16(val); 894 895 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 896 } 897 898 Static int 899 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 900 { 901 struct zyd_pair pair[2]; 902 903 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 904 pair[0].val = htole16(val >> 16); 905 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 906 pair[1].val = htole16(val & 0xffff); 907 908 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 909 } 910 911 Static int 912 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 913 { 914 struct zyd_rf *rf = &sc->sc_rf; 915 struct zyd_rfwrite req; 916 uint16_t cr203; 917 int i; 918 919 (void)zyd_read16(sc, ZYD_CR203, &cr203); 920 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 921 922 req.code = htole16(2); 923 req.width = htole16(rf->width); 924 for (i = 0; i < rf->width; i++) { 925 req.bit[i] = htole16(cr203); 926 if (val & (1 << (rf->width - 1 - i))) 927 req.bit[i] |= htole16(ZYD_RF_DATA); 928 } 929 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 930 } 931 932 Static void 933 zyd_lock_phy(struct zyd_softc *sc) 934 { 935 uint32_t tmp; 936 937 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 938 tmp &= ~ZYD_UNLOCK_PHY_REGS; 939 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 940 } 941 942 Static void 943 zyd_unlock_phy(struct zyd_softc *sc) 944 { 945 uint32_t tmp; 946 947 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 948 tmp |= ZYD_UNLOCK_PHY_REGS; 949 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 950 } 951 952 /* 953 * RFMD RF methods. 954 */ 955 Static int 956 zyd_rfmd_init(struct zyd_rf *rf) 957 { 958 struct zyd_softc *sc = rf->rf_sc; 959 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 960 static const uint32_t rfini[] = ZYD_RFMD_RF; 961 int error; 962 size_t i; 963 964 /* init RF-dependent PHY registers */ 965 for (i = 0; i < __arraycount(phyini); i++) { 966 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 967 if (error != 0) 968 return error; 969 } 970 971 /* init RFMD radio */ 972 for (i = 0; i < __arraycount(rfini); i++) { 973 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 974 return error; 975 } 976 return 0; 977 } 978 979 Static int 980 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 981 { 982 struct zyd_softc *sc = rf->rf_sc; 983 984 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 985 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 986 987 return 0; 988 } 989 990 Static int 991 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 992 { 993 struct zyd_softc *sc = rf->rf_sc; 994 static const struct { 995 uint32_t r1, r2; 996 } rfprog[] = ZYD_RFMD_CHANTABLE; 997 998 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 999 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1000 1001 return 0; 1002 } 1003 1004 /* 1005 * AL2230 RF methods. 1006 */ 1007 Static int 1008 zyd_al2230_init(struct zyd_rf *rf) 1009 { 1010 struct zyd_softc *sc = rf->rf_sc; 1011 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1012 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1013 static const uint32_t rfini[] = ZYD_AL2230_RF; 1014 int error; 1015 size_t i; 1016 1017 /* init RF-dependent PHY registers */ 1018 for (i = 0; i < __arraycount(phyini); i++) { 1019 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1020 if (error != 0) 1021 return error; 1022 } 1023 1024 if (sc->rf_rev == ZYD_RF_AL2230S) { 1025 for (i = 0; i < __arraycount(phy2230s); i++) { 1026 error = zyd_write16(sc, phy2230s[i].reg, 1027 phy2230s[i].val); 1028 if (error != 0) 1029 return error; 1030 } 1031 } 1032 1033 /* init AL2230 radio */ 1034 for (i = 0; i < __arraycount(rfini); i++) { 1035 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1036 return error; 1037 } 1038 return 0; 1039 } 1040 1041 Static int 1042 zyd_al2230_init_b(struct zyd_rf *rf) 1043 { 1044 struct zyd_softc *sc = rf->rf_sc; 1045 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1046 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1047 int error; 1048 size_t i; 1049 1050 /* init RF-dependent PHY registers */ 1051 for (i = 0; i < __arraycount(phyini); i++) { 1052 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1053 if (error != 0) 1054 return error; 1055 } 1056 1057 /* init AL2230 radio */ 1058 for (i = 0; i < __arraycount(rfini); i++) { 1059 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1060 return error; 1061 } 1062 return 0; 1063 } 1064 1065 Static int 1066 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1067 { 1068 struct zyd_softc *sc = rf->rf_sc; 1069 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1070 1071 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1072 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1073 1074 return 0; 1075 } 1076 1077 Static int 1078 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1079 { 1080 struct zyd_softc *sc = rf->rf_sc; 1081 static const struct { 1082 uint32_t r1, r2, r3; 1083 } rfprog[] = ZYD_AL2230_CHANTABLE; 1084 1085 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1086 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1087 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1088 1089 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1090 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1091 1092 return 0; 1093 } 1094 1095 /* 1096 * AL7230B RF methods. 1097 */ 1098 Static int 1099 zyd_al7230B_init(struct zyd_rf *rf) 1100 { 1101 struct zyd_softc *sc = rf->rf_sc; 1102 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1103 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1104 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1105 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1106 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1107 int error; 1108 size_t i; 1109 1110 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1111 1112 /* init RF-dependent PHY registers, part one */ 1113 for (i = 0; i < __arraycount(phyini_1); i++) { 1114 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1115 if (error != 0) 1116 return error; 1117 } 1118 /* init AL7230B radio, part one */ 1119 for (i = 0; i < __arraycount(rfini_1); i++) { 1120 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1121 return error; 1122 } 1123 /* init RF-dependent PHY registers, part two */ 1124 for (i = 0; i < __arraycount(phyini_2); i++) { 1125 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1126 if (error != 0) 1127 return error; 1128 } 1129 /* init AL7230B radio, part two */ 1130 for (i = 0; i < __arraycount(rfini_2); i++) { 1131 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1132 return error; 1133 } 1134 /* init RF-dependent PHY registers, part three */ 1135 for (i = 0; i < __arraycount(phyini_3); i++) { 1136 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1137 if (error != 0) 1138 return error; 1139 } 1140 1141 return 0; 1142 } 1143 1144 Static int 1145 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1146 { 1147 struct zyd_softc *sc = rf->rf_sc; 1148 1149 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1150 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1151 1152 return 0; 1153 } 1154 1155 Static int 1156 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1157 { 1158 struct zyd_softc *sc = rf->rf_sc; 1159 static const struct { 1160 uint32_t r1, r2; 1161 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1162 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1163 int error; 1164 size_t i; 1165 1166 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1167 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1168 1169 for (i = 0; i < __arraycount(rfsc); i++) { 1170 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1171 return error; 1172 } 1173 1174 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1175 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1176 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1177 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1178 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1179 1180 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1181 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1182 (void)zyd_rfwrite(sc, 0x3c9000); 1183 1184 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1185 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1186 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1187 1188 return 0; 1189 } 1190 1191 /* 1192 * AL2210 RF methods. 1193 */ 1194 Static int 1195 zyd_al2210_init(struct zyd_rf *rf) 1196 { 1197 struct zyd_softc *sc = rf->rf_sc; 1198 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1199 static const uint32_t rfini[] = ZYD_AL2210_RF; 1200 uint32_t tmp; 1201 int error; 1202 size_t i; 1203 1204 (void)zyd_write32(sc, ZYD_CR18, 2); 1205 1206 /* init RF-dependent PHY registers */ 1207 for (i = 0; i < __arraycount(phyini); i++) { 1208 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1209 if (error != 0) 1210 return error; 1211 } 1212 /* init AL2210 radio */ 1213 for (i = 0; i < __arraycount(rfini); i++) { 1214 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1215 return error; 1216 } 1217 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1218 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1219 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1220 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1221 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1222 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1223 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1224 (void)zyd_write32(sc, ZYD_CR18, 3); 1225 1226 return 0; 1227 } 1228 1229 Static int 1230 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1231 { 1232 /* vendor driver does nothing for this RF chip */ 1233 1234 return 0; 1235 } 1236 1237 Static int 1238 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1239 { 1240 struct zyd_softc *sc = rf->rf_sc; 1241 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1242 uint32_t tmp; 1243 1244 (void)zyd_write32(sc, ZYD_CR18, 2); 1245 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1246 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1247 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1248 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1249 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1250 1251 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1252 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1253 1254 /* actually set the channel */ 1255 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1256 1257 (void)zyd_write32(sc, ZYD_CR18, 3); 1258 1259 return 0; 1260 } 1261 1262 /* 1263 * GCT RF methods. 1264 */ 1265 Static int 1266 zyd_gct_init(struct zyd_rf *rf) 1267 { 1268 struct zyd_softc *sc = rf->rf_sc; 1269 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1270 static const uint32_t rfini[] = ZYD_GCT_RF; 1271 int error; 1272 size_t i; 1273 1274 /* init RF-dependent PHY registers */ 1275 for (i = 0; i < __arraycount(phyini); i++) { 1276 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1277 if (error != 0) 1278 return error; 1279 } 1280 /* init cgt radio */ 1281 for (i = 0; i < __arraycount(rfini); i++) { 1282 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1283 return error; 1284 } 1285 return 0; 1286 } 1287 1288 Static int 1289 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1290 { 1291 /* vendor driver does nothing for this RF chip */ 1292 1293 return 0; 1294 } 1295 1296 Static int 1297 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1298 { 1299 struct zyd_softc *sc = rf->rf_sc; 1300 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1301 1302 (void)zyd_rfwrite(sc, 0x1c0000); 1303 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1304 (void)zyd_rfwrite(sc, 0x1c0008); 1305 1306 return 0; 1307 } 1308 1309 /* 1310 * Maxim RF methods. 1311 */ 1312 Static int 1313 zyd_maxim_init(struct zyd_rf *rf) 1314 { 1315 struct zyd_softc *sc = rf->rf_sc; 1316 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1317 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1318 uint16_t tmp; 1319 int error; 1320 size_t i; 1321 1322 /* init RF-dependent PHY registers */ 1323 for (i = 0; i < __arraycount(phyini); i++) { 1324 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1325 if (error != 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 /* init maxim radio */ 1332 for (i = 0; i < __arraycount(rfini); i++) { 1333 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1334 return error; 1335 } 1336 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1337 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1338 1339 return 0; 1340 } 1341 1342 Static int 1343 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1344 { 1345 /* vendor driver does nothing for this RF chip */ 1346 1347 return 0; 1348 } 1349 1350 Static int 1351 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1352 { 1353 struct zyd_softc *sc = rf->rf_sc; 1354 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1355 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1356 static const struct { 1357 uint32_t r1, r2; 1358 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1359 uint16_t tmp; 1360 int error; 1361 size_t i; 1362 1363 /* 1364 * Do the same as we do when initializing it, except for the channel 1365 * values coming from the two channel tables. 1366 */ 1367 1368 /* init RF-dependent PHY registers */ 1369 for (i = 0; i < __arraycount(phyini); i++) { 1370 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1371 if (error != 0) 1372 return error; 1373 } 1374 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1375 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1376 1377 /* first two values taken from the chantables */ 1378 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1379 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1380 1381 /* init maxim radio - skipping the two first values */ 1382 for (i = 2; i < __arraycount(rfini); i++) { 1383 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1384 return error; 1385 } 1386 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1387 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1388 1389 return 0; 1390 } 1391 1392 /* 1393 * Maxim2 RF methods. 1394 */ 1395 Static int 1396 zyd_maxim2_init(struct zyd_rf *rf) 1397 { 1398 struct zyd_softc *sc = rf->rf_sc; 1399 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1400 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1401 uint16_t tmp; 1402 int error; 1403 size_t i; 1404 1405 /* init RF-dependent PHY registers */ 1406 for (i = 0; i < __arraycount(phyini); i++) { 1407 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1408 if (error != 0) 1409 return error; 1410 } 1411 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1412 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1413 1414 /* init maxim2 radio */ 1415 for (i = 0; i < __arraycount(rfini); i++) { 1416 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1417 return error; 1418 } 1419 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1420 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1421 1422 return 0; 1423 } 1424 1425 Static int 1426 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1427 { 1428 /* vendor driver does nothing for this RF chip */ 1429 1430 return 0; 1431 } 1432 1433 Static int 1434 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1435 { 1436 struct zyd_softc *sc = rf->rf_sc; 1437 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1438 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1439 static const struct { 1440 uint32_t r1, r2; 1441 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1442 uint16_t tmp; 1443 int error; 1444 size_t i; 1445 1446 /* 1447 * Do the same as we do when initializing it, except for the channel 1448 * values coming from the two channel tables. 1449 */ 1450 1451 /* init RF-dependent PHY registers */ 1452 for (i = 0; i < __arraycount(phyini); i++) { 1453 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1454 if (error != 0) 1455 return error; 1456 } 1457 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1458 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1459 1460 /* first two values taken from the chantables */ 1461 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1462 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1463 1464 /* init maxim2 radio - skipping the two first values */ 1465 for (i = 2; i < __arraycount(rfini); i++) { 1466 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1467 return error; 1468 } 1469 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1470 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1471 1472 return 0; 1473 } 1474 1475 Static int 1476 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1477 { 1478 struct zyd_rf *rf = &sc->sc_rf; 1479 1480 rf->rf_sc = sc; 1481 1482 switch (type) { 1483 case ZYD_RF_RFMD: 1484 rf->init = zyd_rfmd_init; 1485 rf->switch_radio = zyd_rfmd_switch_radio; 1486 rf->set_channel = zyd_rfmd_set_channel; 1487 rf->width = 24; /* 24-bit RF values */ 1488 break; 1489 case ZYD_RF_AL2230: 1490 case ZYD_RF_AL2230S: 1491 if (sc->mac_rev == ZYD_ZD1211B) 1492 rf->init = zyd_al2230_init_b; 1493 else 1494 rf->init = zyd_al2230_init; 1495 rf->switch_radio = zyd_al2230_switch_radio; 1496 rf->set_channel = zyd_al2230_set_channel; 1497 rf->width = 24; /* 24-bit RF values */ 1498 break; 1499 case ZYD_RF_AL7230B: 1500 rf->init = zyd_al7230B_init; 1501 rf->switch_radio = zyd_al7230B_switch_radio; 1502 rf->set_channel = zyd_al7230B_set_channel; 1503 rf->width = 24; /* 24-bit RF values */ 1504 break; 1505 case ZYD_RF_AL2210: 1506 rf->init = zyd_al2210_init; 1507 rf->switch_radio = zyd_al2210_switch_radio; 1508 rf->set_channel = zyd_al2210_set_channel; 1509 rf->width = 24; /* 24-bit RF values */ 1510 break; 1511 case ZYD_RF_GCT: 1512 rf->init = zyd_gct_init; 1513 rf->switch_radio = zyd_gct_switch_radio; 1514 rf->set_channel = zyd_gct_set_channel; 1515 rf->width = 21; /* 21-bit RF values */ 1516 break; 1517 case ZYD_RF_MAXIM_NEW: 1518 rf->init = zyd_maxim_init; 1519 rf->switch_radio = zyd_maxim_switch_radio; 1520 rf->set_channel = zyd_maxim_set_channel; 1521 rf->width = 18; /* 18-bit RF values */ 1522 break; 1523 case ZYD_RF_MAXIM_NEW2: 1524 rf->init = zyd_maxim2_init; 1525 rf->switch_radio = zyd_maxim2_switch_radio; 1526 rf->set_channel = zyd_maxim2_set_channel; 1527 rf->width = 18; /* 18-bit RF values */ 1528 break; 1529 default: 1530 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1531 device_xname(sc->sc_dev), zyd_rf_name(type)); 1532 return EINVAL; 1533 } 1534 return 0; 1535 } 1536 1537 Static const char * 1538 zyd_rf_name(uint8_t type) 1539 { 1540 static const char * const zyd_rfs[] = { 1541 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1542 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1543 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1544 "PHILIPS" 1545 }; 1546 1547 return zyd_rfs[(type > 15) ? 0 : type]; 1548 } 1549 1550 Static int 1551 zyd_hw_init(struct zyd_softc *sc) 1552 { 1553 struct zyd_rf *rf = &sc->sc_rf; 1554 const struct zyd_phy_pair *phyp; 1555 int error; 1556 1557 /* specify that the plug and play is finished */ 1558 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1559 1560 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1561 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1562 1563 /* retrieve firmware revision number */ 1564 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1565 1566 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1567 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1568 1569 /* disable interrupts */ 1570 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1571 1572 /* PHY init */ 1573 zyd_lock_phy(sc); 1574 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1575 for (; phyp->reg != 0; phyp++) { 1576 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1577 goto fail; 1578 } 1579 zyd_unlock_phy(sc); 1580 1581 /* HMAC init */ 1582 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1583 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1584 1585 if (sc->mac_rev == ZYD_ZD1211) { 1586 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1587 } else { 1588 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1589 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1590 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1591 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1592 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1593 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1594 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1595 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1596 } 1597 1598 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1599 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1600 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1601 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1602 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1603 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1604 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1605 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1606 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1607 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1608 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1609 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1610 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1611 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1612 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1613 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1614 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1615 1616 /* RF chip init */ 1617 zyd_lock_phy(sc); 1618 error = (*rf->init)(rf); 1619 zyd_unlock_phy(sc); 1620 if (error != 0) { 1621 printf("%s: radio initialization failed\n", 1622 device_xname(sc->sc_dev)); 1623 goto fail; 1624 } 1625 1626 /* init beacon interval to 100ms */ 1627 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1628 goto fail; 1629 1630 fail: return error; 1631 } 1632 1633 Static int 1634 zyd_read_eeprom(struct zyd_softc *sc) 1635 { 1636 struct ieee80211com *ic = &sc->sc_ic; 1637 uint32_t tmp; 1638 uint16_t val; 1639 int i; 1640 1641 /* read MAC address */ 1642 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1643 ic->ic_myaddr[0] = tmp & 0xff; 1644 ic->ic_myaddr[1] = tmp >> 8; 1645 ic->ic_myaddr[2] = tmp >> 16; 1646 ic->ic_myaddr[3] = tmp >> 24; 1647 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1648 ic->ic_myaddr[4] = tmp & 0xff; 1649 ic->ic_myaddr[5] = tmp >> 8; 1650 1651 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1652 sc->rf_rev = tmp & 0x0f; 1653 sc->pa_rev = (tmp >> 16) & 0x0f; 1654 1655 /* read regulatory domain (currently unused) */ 1656 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1657 sc->regdomain = tmp >> 16; 1658 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1659 1660 /* read Tx power calibration tables */ 1661 for (i = 0; i < 7; i++) { 1662 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1663 sc->pwr_cal[i * 2] = val >> 8; 1664 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1665 1666 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1667 sc->pwr_int[i * 2] = val >> 8; 1668 sc->pwr_int[i * 2 + 1] = val & 0xff; 1669 1670 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1671 sc->ofdm36_cal[i * 2] = val >> 8; 1672 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1673 1674 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1675 sc->ofdm48_cal[i * 2] = val >> 8; 1676 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1677 1678 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1679 sc->ofdm54_cal[i * 2] = val >> 8; 1680 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1681 } 1682 return 0; 1683 } 1684 1685 Static int 1686 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1687 { 1688 uint32_t tmp; 1689 1690 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1691 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1692 1693 tmp = addr[5] << 8 | addr[4]; 1694 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1695 1696 return 0; 1697 } 1698 1699 Static int 1700 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1701 { 1702 uint32_t tmp; 1703 1704 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1705 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1706 1707 tmp = addr[5] << 8 | addr[4]; 1708 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1709 1710 return 0; 1711 } 1712 1713 Static int 1714 zyd_switch_radio(struct zyd_softc *sc, int on) 1715 { 1716 struct zyd_rf *rf = &sc->sc_rf; 1717 int error; 1718 1719 zyd_lock_phy(sc); 1720 error = (*rf->switch_radio)(rf, on); 1721 zyd_unlock_phy(sc); 1722 1723 return error; 1724 } 1725 1726 Static void 1727 zyd_set_led(struct zyd_softc *sc, int which, int on) 1728 { 1729 uint32_t tmp; 1730 1731 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1732 tmp &= ~which; 1733 if (on) 1734 tmp |= which; 1735 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1736 } 1737 1738 Static int 1739 zyd_set_rxfilter(struct zyd_softc *sc) 1740 { 1741 uint32_t rxfilter; 1742 1743 switch (sc->sc_ic.ic_opmode) { 1744 case IEEE80211_M_STA: 1745 rxfilter = ZYD_FILTER_BSS; 1746 break; 1747 case IEEE80211_M_IBSS: 1748 case IEEE80211_M_HOSTAP: 1749 rxfilter = ZYD_FILTER_HOSTAP; 1750 break; 1751 case IEEE80211_M_MONITOR: 1752 rxfilter = ZYD_FILTER_MONITOR; 1753 break; 1754 default: 1755 /* should not get there */ 1756 return EINVAL; 1757 } 1758 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1759 } 1760 1761 Static void 1762 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1763 { 1764 struct ieee80211com *ic = &sc->sc_ic; 1765 struct zyd_rf *rf = &sc->sc_rf; 1766 u_int chan; 1767 1768 chan = ieee80211_chan2ieee(ic, c); 1769 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1770 return; 1771 1772 zyd_lock_phy(sc); 1773 1774 (*rf->set_channel)(rf, chan); 1775 1776 /* update Tx power */ 1777 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1778 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1779 1780 if (sc->mac_rev == ZYD_ZD1211B) { 1781 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1782 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1783 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1784 1785 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1786 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1787 } 1788 1789 zyd_unlock_phy(sc); 1790 } 1791 1792 Static int 1793 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1794 { 1795 /* XXX this is probably broken.. */ 1796 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1797 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1798 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1799 1800 return 0; 1801 } 1802 1803 Static uint8_t 1804 zyd_plcp_signal(int rate) 1805 { 1806 switch (rate) { 1807 /* CCK rates (returned values are device-dependent) */ 1808 case 2: return 0x0; 1809 case 4: return 0x1; 1810 case 11: return 0x2; 1811 case 22: return 0x3; 1812 1813 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1814 case 12: return 0xb; 1815 case 18: return 0xf; 1816 case 24: return 0xa; 1817 case 36: return 0xe; 1818 case 48: return 0x9; 1819 case 72: return 0xd; 1820 case 96: return 0x8; 1821 case 108: return 0xc; 1822 1823 /* unsupported rates (should not get there) */ 1824 default: return 0xff; 1825 } 1826 } 1827 1828 Static void 1829 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1830 { 1831 struct zyd_softc *sc = (struct zyd_softc *)priv; 1832 struct zyd_cmd *cmd; 1833 uint32_t datalen; 1834 1835 if (status != USBD_NORMAL_COMPLETION) { 1836 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1837 return; 1838 1839 if (status == USBD_STALLED) { 1840 usbd_clear_endpoint_stall_async( 1841 sc->zyd_ep[ZYD_ENDPT_IIN]); 1842 } 1843 return; 1844 } 1845 1846 cmd = (struct zyd_cmd *)sc->ibuf; 1847 1848 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1849 struct zyd_notif_retry *retry = 1850 (struct zyd_notif_retry *)cmd->data; 1851 struct ieee80211com *ic = &sc->sc_ic; 1852 struct ifnet *ifp = &sc->sc_if; 1853 struct ieee80211_node *ni; 1854 1855 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1856 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1857 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1858 1859 /* 1860 * Find the node to which the packet was sent and update its 1861 * retry statistics. In BSS mode, this node is the AP we're 1862 * associated to so no lookup is actually needed. 1863 */ 1864 if (ic->ic_opmode != IEEE80211_M_STA) { 1865 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1866 if (ni == NULL) 1867 return; /* just ignore */ 1868 } else 1869 ni = ic->ic_bss; 1870 1871 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1872 1873 if (le16toh(retry->count) & 0x100) 1874 ifp->if_oerrors++; /* too many retries */ 1875 1876 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1877 struct rq *rqp; 1878 1879 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1880 return; /* HMAC interrupt */ 1881 1882 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1883 datalen -= sizeof(cmd->code); 1884 datalen -= 2; /* XXX: padding? */ 1885 1886 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1887 int i; 1888 1889 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1890 continue; 1891 for (i = 0; i < rqp->len; i++) { 1892 if (*(((const uint16_t *)rqp->idata) + i) != 1893 (((struct zyd_pair *)cmd->data) + i)->reg) 1894 break; 1895 } 1896 if (i != rqp->len) 1897 continue; 1898 1899 /* copy answer into caller-supplied buffer */ 1900 bcopy(cmd->data, rqp->odata, 1901 sizeof(struct zyd_pair) * rqp->len); 1902 wakeup(rqp->odata); /* wakeup caller */ 1903 1904 return; 1905 } 1906 return; /* unexpected IORD notification */ 1907 } else { 1908 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1909 le16toh(cmd->code)); 1910 } 1911 } 1912 1913 Static void 1914 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1915 { 1916 struct ieee80211com *ic = &sc->sc_ic; 1917 struct ifnet *ifp = &sc->sc_if; 1918 struct ieee80211_node *ni; 1919 struct ieee80211_frame *wh; 1920 const struct zyd_plcphdr *plcp; 1921 const struct zyd_rx_stat *stat; 1922 struct mbuf *m; 1923 int rlen, s; 1924 1925 if (len < ZYD_MIN_FRAGSZ) { 1926 printf("%s: frame too short (length=%d)\n", 1927 device_xname(sc->sc_dev), len); 1928 ifp->if_ierrors++; 1929 return; 1930 } 1931 1932 plcp = (const struct zyd_plcphdr *)buf; 1933 stat = (const struct zyd_rx_stat *) 1934 (buf + len - sizeof (struct zyd_rx_stat)); 1935 1936 if (stat->flags & ZYD_RX_ERROR) { 1937 DPRINTF(("%s: RX status indicated error (%x)\n", 1938 device_xname(sc->sc_dev), stat->flags)); 1939 ifp->if_ierrors++; 1940 return; 1941 } 1942 1943 /* compute actual frame length */ 1944 rlen = len - sizeof (struct zyd_plcphdr) - 1945 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1946 1947 /* allocate a mbuf to store the frame */ 1948 MGETHDR(m, M_DONTWAIT, MT_DATA); 1949 if (m == NULL) { 1950 printf("%s: could not allocate rx mbuf\n", 1951 device_xname(sc->sc_dev)); 1952 ifp->if_ierrors++; 1953 return; 1954 } 1955 if (rlen > MHLEN) { 1956 MCLGET(m, M_DONTWAIT); 1957 if (!(m->m_flags & M_EXT)) { 1958 printf("%s: could not allocate rx mbuf cluster\n", 1959 device_xname(sc->sc_dev)); 1960 m_freem(m); 1961 ifp->if_ierrors++; 1962 return; 1963 } 1964 } 1965 m->m_pkthdr.rcvif = ifp; 1966 m->m_pkthdr.len = m->m_len = rlen; 1967 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1968 1969 s = splnet(); 1970 1971 if (sc->sc_drvbpf != NULL) { 1972 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1973 static const uint8_t rates[] = { 1974 /* reverse function of zyd_plcp_signal() */ 1975 2, 4, 11, 22, 0, 0, 0, 0, 1976 96, 48, 24, 12, 108, 72, 36, 18 1977 }; 1978 1979 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1980 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1981 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1982 tap->wr_rssi = stat->rssi; 1983 tap->wr_rate = rates[plcp->signal & 0xf]; 1984 1985 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1986 } 1987 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 (sc->sc_drvbpf != NULL) { 2138 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2139 2140 tap->wt_flags = 0; 2141 tap->wt_rate = rate; 2142 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2143 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2144 2145 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2146 } 2147 2148 m_copydata(m0, 0, m0->m_pkthdr.len, 2149 data->buf + sizeof (struct zyd_tx_desc)); 2150 2151 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2152 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2153 2154 m_freem(m0); /* mbuf no longer needed */ 2155 2156 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2157 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2158 ZYD_TX_TIMEOUT, zyd_txeof); 2159 error = usbd_transfer(data->xfer); 2160 if (error != USBD_IN_PROGRESS && error != 0) { 2161 ifp->if_oerrors++; 2162 return EIO; 2163 } 2164 sc->tx_queued++; 2165 2166 return 0; 2167 } 2168 2169 Static void 2170 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2171 { 2172 struct zyd_tx_data *data = priv; 2173 struct zyd_softc *sc = data->sc; 2174 struct ifnet *ifp = &sc->sc_if; 2175 int s; 2176 2177 if (status != USBD_NORMAL_COMPLETION) { 2178 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2179 return; 2180 2181 printf("%s: could not transmit buffer: %s\n", 2182 device_xname(sc->sc_dev), usbd_errstr(status)); 2183 2184 if (status == USBD_STALLED) { 2185 usbd_clear_endpoint_stall_async( 2186 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2187 } 2188 ifp->if_oerrors++; 2189 return; 2190 } 2191 2192 s = splnet(); 2193 2194 /* update rate control statistics */ 2195 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2196 2197 ieee80211_free_node(data->ni); 2198 data->ni = NULL; 2199 2200 sc->tx_queued--; 2201 ifp->if_opackets++; 2202 2203 sc->tx_timer = 0; 2204 ifp->if_flags &= ~IFF_OACTIVE; 2205 zyd_start(ifp); 2206 2207 splx(s); 2208 } 2209 2210 Static int 2211 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2212 { 2213 struct ieee80211com *ic = &sc->sc_ic; 2214 struct ifnet *ifp = &sc->sc_if; 2215 struct zyd_tx_desc *desc; 2216 struct zyd_tx_data *data; 2217 struct ieee80211_frame *wh; 2218 struct ieee80211_key *k; 2219 int xferlen, totlen, rate; 2220 uint16_t pktlen; 2221 usbd_status error; 2222 2223 wh = mtod(m0, struct ieee80211_frame *); 2224 2225 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2226 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2227 else 2228 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2229 rate &= IEEE80211_RATE_VAL; 2230 2231 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2232 k = ieee80211_crypto_encap(ic, ni, m0); 2233 if (k == NULL) { 2234 m_freem(m0); 2235 return ENOBUFS; 2236 } 2237 2238 /* packet header may have moved, reset our local pointer */ 2239 wh = mtod(m0, struct ieee80211_frame *); 2240 } 2241 2242 data = &sc->tx_data[0]; 2243 desc = (struct zyd_tx_desc *)data->buf; 2244 2245 data->ni = ni; 2246 2247 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2248 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2249 2250 /* fill Tx descriptor */ 2251 desc->len = htole16(totlen); 2252 2253 desc->flags = ZYD_TX_FLAG_BACKOFF; 2254 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2255 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2256 if (totlen > ic->ic_rtsthreshold) { 2257 desc->flags |= ZYD_TX_FLAG_RTS; 2258 } else if (ZYD_RATE_IS_OFDM(rate) && 2259 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2260 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2261 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2262 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2263 desc->flags |= ZYD_TX_FLAG_RTS; 2264 } 2265 } else 2266 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2267 2268 if ((wh->i_fc[0] & 2269 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2270 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2271 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2272 2273 desc->phy = zyd_plcp_signal(rate); 2274 if (ZYD_RATE_IS_OFDM(rate)) { 2275 desc->phy |= ZYD_TX_PHY_OFDM; 2276 if (ic->ic_curmode == IEEE80211_MODE_11A) 2277 desc->phy |= ZYD_TX_PHY_5GHZ; 2278 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2279 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2280 2281 /* actual transmit length (XXX why +10?) */ 2282 pktlen = sizeof (struct zyd_tx_desc) + 10; 2283 if (sc->mac_rev == ZYD_ZD1211) 2284 pktlen += totlen; 2285 desc->pktlen = htole16(pktlen); 2286 2287 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2288 desc->plcp_service = 0; 2289 if (rate == 22) { 2290 const int remainder = (16 * totlen) % 22; 2291 if (remainder != 0 && remainder < 7) 2292 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2293 } 2294 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 2306 m_copydata(m0, 0, m0->m_pkthdr.len, 2307 data->buf + sizeof (struct zyd_tx_desc)); 2308 2309 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2310 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2311 2312 m_freem(m0); /* mbuf no longer needed */ 2313 2314 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2315 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2316 ZYD_TX_TIMEOUT, zyd_txeof); 2317 error = usbd_transfer(data->xfer); 2318 if (error != USBD_IN_PROGRESS && error != 0) { 2319 ifp->if_oerrors++; 2320 return EIO; 2321 } 2322 sc->tx_queued++; 2323 2324 return 0; 2325 } 2326 2327 Static void 2328 zyd_start(struct ifnet *ifp) 2329 { 2330 struct zyd_softc *sc = ifp->if_softc; 2331 struct ieee80211com *ic = &sc->sc_ic; 2332 struct ether_header *eh; 2333 struct ieee80211_node *ni; 2334 struct mbuf *m0; 2335 2336 for (;;) { 2337 IF_POLL(&ic->ic_mgtq, m0); 2338 if (m0 != NULL) { 2339 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2340 ifp->if_flags |= IFF_OACTIVE; 2341 break; 2342 } 2343 IF_DEQUEUE(&ic->ic_mgtq, m0); 2344 2345 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2346 m0->m_pkthdr.rcvif = NULL; 2347 bpf_mtap3(ic->ic_rawbpf, m0); 2348 if (zyd_tx_mgt(sc, m0, ni) != 0) 2349 break; 2350 } else { 2351 if (ic->ic_state != IEEE80211_S_RUN) 2352 break; 2353 IFQ_POLL(&ifp->if_snd, m0); 2354 if (m0 == NULL) 2355 break; 2356 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2357 ifp->if_flags |= IFF_OACTIVE; 2358 break; 2359 } 2360 IFQ_DEQUEUE(&ifp->if_snd, m0); 2361 2362 if (m0->m_len < sizeof(struct ether_header) && 2363 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2364 continue; 2365 2366 eh = mtod(m0, struct ether_header *); 2367 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2368 if (ni == NULL) { 2369 m_freem(m0); 2370 continue; 2371 } 2372 bpf_mtap(ifp, m0); 2373 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2374 ieee80211_free_node(ni); 2375 ifp->if_oerrors++; 2376 continue; 2377 } 2378 bpf_mtap3(ic->ic_rawbpf, m0); 2379 if (zyd_tx_data(sc, m0, ni) != 0) { 2380 ieee80211_free_node(ni); 2381 ifp->if_oerrors++; 2382 break; 2383 } 2384 } 2385 2386 sc->tx_timer = 5; 2387 ifp->if_timer = 1; 2388 } 2389 } 2390 2391 Static void 2392 zyd_watchdog(struct ifnet *ifp) 2393 { 2394 struct zyd_softc *sc = ifp->if_softc; 2395 struct ieee80211com *ic = &sc->sc_ic; 2396 2397 ifp->if_timer = 0; 2398 2399 if (sc->tx_timer > 0) { 2400 if (--sc->tx_timer == 0) { 2401 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2402 /* zyd_init(ifp); XXX needs a process context ? */ 2403 ifp->if_oerrors++; 2404 return; 2405 } 2406 ifp->if_timer = 1; 2407 } 2408 2409 ieee80211_watchdog(ic); 2410 } 2411 2412 Static int 2413 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2414 { 2415 struct zyd_softc *sc = ifp->if_softc; 2416 struct ieee80211com *ic = &sc->sc_ic; 2417 int s, error = 0; 2418 2419 s = splnet(); 2420 2421 switch (cmd) { 2422 case SIOCSIFFLAGS: 2423 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2424 break; 2425 /* XXX re-use ether_ioctl() */ 2426 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2427 case IFF_UP: 2428 zyd_init(ifp); 2429 break; 2430 case IFF_RUNNING: 2431 zyd_stop(ifp, 1); 2432 break; 2433 default: 2434 break; 2435 } 2436 break; 2437 2438 default: 2439 error = ieee80211_ioctl(ic, cmd, data); 2440 } 2441 2442 if (error == ENETRESET) { 2443 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2444 (IFF_RUNNING | IFF_UP)) 2445 zyd_init(ifp); 2446 error = 0; 2447 } 2448 2449 splx(s); 2450 2451 return error; 2452 } 2453 2454 Static int 2455 zyd_init(struct ifnet *ifp) 2456 { 2457 struct zyd_softc *sc = ifp->if_softc; 2458 struct ieee80211com *ic = &sc->sc_ic; 2459 int i, error; 2460 2461 zyd_stop(ifp, 0); 2462 2463 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2464 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2465 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2466 if (error != 0) 2467 return error; 2468 2469 /* we'll do software WEP decryption for now */ 2470 DPRINTF(("setting encryption type\n")); 2471 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2472 if (error != 0) 2473 return error; 2474 2475 /* promiscuous mode */ 2476 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2477 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2478 2479 (void)zyd_set_rxfilter(sc); 2480 2481 /* switch radio transmitter ON */ 2482 (void)zyd_switch_radio(sc, 1); 2483 2484 /* set basic rates */ 2485 if (ic->ic_curmode == IEEE80211_MODE_11B) 2486 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2487 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2488 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2489 else /* assumes 802.11b/g */ 2490 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2491 2492 /* set mandatory rates */ 2493 if (ic->ic_curmode == IEEE80211_MODE_11B) 2494 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2495 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2496 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2497 else /* assumes 802.11b/g */ 2498 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2499 2500 /* set default BSS channel */ 2501 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2502 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2503 2504 /* enable interrupts */ 2505 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2506 2507 /* 2508 * Allocate Tx and Rx xfer queues. 2509 */ 2510 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2511 printf("%s: could not allocate Tx list\n", 2512 device_xname(sc->sc_dev)); 2513 goto fail; 2514 } 2515 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2516 printf("%s: could not allocate Rx list\n", 2517 device_xname(sc->sc_dev)); 2518 goto fail; 2519 } 2520 2521 /* 2522 * Start up the receive pipe. 2523 */ 2524 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2525 struct zyd_rx_data *data = &sc->rx_data[i]; 2526 2527 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2528 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2529 USBD_NO_TIMEOUT, zyd_rxeof); 2530 error = usbd_transfer(data->xfer); 2531 if (error != USBD_IN_PROGRESS && error != 0) { 2532 printf("%s: could not queue Rx transfer\n", 2533 device_xname(sc->sc_dev)); 2534 goto fail; 2535 } 2536 } 2537 2538 ifp->if_flags &= ~IFF_OACTIVE; 2539 ifp->if_flags |= IFF_RUNNING; 2540 2541 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2542 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2543 else 2544 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2545 2546 return 0; 2547 2548 fail: zyd_stop(ifp, 1); 2549 return error; 2550 } 2551 2552 Static void 2553 zyd_stop(struct ifnet *ifp, int disable) 2554 { 2555 struct zyd_softc *sc = ifp->if_softc; 2556 struct ieee80211com *ic = &sc->sc_ic; 2557 2558 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2559 2560 sc->tx_timer = 0; 2561 ifp->if_timer = 0; 2562 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2563 2564 /* switch radio transmitter OFF */ 2565 (void)zyd_switch_radio(sc, 0); 2566 2567 /* disable Rx */ 2568 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2569 2570 /* disable interrupts */ 2571 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2572 2573 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2574 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2575 2576 zyd_free_rx_list(sc); 2577 zyd_free_tx_list(sc); 2578 } 2579 2580 Static int 2581 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2582 { 2583 usb_device_request_t req; 2584 uint16_t addr; 2585 uint8_t stat; 2586 2587 DPRINTF(("firmware size=%zu\n", size)); 2588 2589 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2590 req.bRequest = ZYD_DOWNLOADREQ; 2591 USETW(req.wIndex, 0); 2592 2593 addr = ZYD_FIRMWARE_START_ADDR; 2594 while (size > 0) { 2595 #if 0 2596 const int mlen = min(size, 4096); 2597 #else 2598 /* 2599 * XXXX: When the transfer size is 4096 bytes, it is not 2600 * likely to be able to transfer it. 2601 * The cause is port or machine or chip? 2602 */ 2603 const int mlen = min(size, 64); 2604 #endif 2605 2606 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2607 addr)); 2608 2609 USETW(req.wValue, addr); 2610 USETW(req.wLength, mlen); 2611 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2612 return EIO; 2613 2614 addr += mlen / 2; 2615 fw += mlen; 2616 size -= mlen; 2617 } 2618 2619 /* check whether the upload succeeded */ 2620 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2621 req.bRequest = ZYD_DOWNLOADSTS; 2622 USETW(req.wValue, 0); 2623 USETW(req.wIndex, 0); 2624 USETW(req.wLength, sizeof stat); 2625 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2626 return EIO; 2627 2628 return (stat & 0x80) ? EIO : 0; 2629 } 2630 2631 Static void 2632 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2633 { 2634 struct zyd_softc *sc = arg; 2635 struct zyd_node *zn = (struct zyd_node *)ni; 2636 2637 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2638 } 2639 2640 Static void 2641 zyd_amrr_timeout(void *arg) 2642 { 2643 struct zyd_softc *sc = arg; 2644 struct ieee80211com *ic = &sc->sc_ic; 2645 int s; 2646 2647 s = splnet(); 2648 if (ic->ic_opmode == IEEE80211_M_STA) 2649 zyd_iter_func(sc, ic->ic_bss); 2650 else 2651 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2652 splx(s); 2653 2654 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2655 } 2656 2657 Static void 2658 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2659 { 2660 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2661 int i; 2662 2663 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2664 2665 /* set rate to some reasonable initial value */ 2666 for (i = ni->ni_rates.rs_nrates - 1; 2667 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2668 i--); 2669 ni->ni_txrate = i; 2670 } 2671 2672 int 2673 zyd_activate(device_t self, enum devact act) 2674 { 2675 struct zyd_softc *sc = device_private(self); 2676 2677 switch (act) { 2678 case DVACT_DEACTIVATE: 2679 if_deactivate(&sc->sc_if); 2680 return 0; 2681 default: 2682 return EOPNOTSUPP; 2683 } 2684 } 2685
Indexes created Mon Oct 13 08:09:50 GMT 2025