if_zyd.c revision 1.8
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.8 2007/07/16 06:56:23 nisimura 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 1.8 2007/07/16 06:56:23 nisimura Exp $"); 26 27 #include "bpfilter.h" 28 29 #include <sys/param.h> 30 #include <sys/sockio.h> 31 #include <sys/proc.h> 32 #include <sys/mbuf.h> 33 #include <sys/kernel.h> 34 #include <sys/socket.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 40 #include <machine/bus.h> 41 #include <machine/endian.h> 42 43 #if NBPFILTER > 0 44 #include <net/bpf.h> 45 #endif 46 #include <net/if.h> 47 #include <net/if_arp.h> 48 #include <net/if_dl.h> 49 #include <net/if_ether.h> 50 #include <net/if_media.h> 51 #include <net/if_types.h> 52 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/in_var.h> 56 #include <netinet/ip.h> 57 58 #include <net80211/ieee80211_netbsd.h> 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_amrr.h> 61 #include <net80211/ieee80211_radiotap.h> 62 63 #include <dev/firmload.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 70 #include <dev/usb/if_zydreg.h> 71 72 #ifdef USB_DEBUG 73 #define ZYD_DEBUG 74 #endif 75 76 #ifdef ZYD_DEBUG 77 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 78 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 79 int zyddebug = 0; 80 #else 81 #define DPRINTF(x) 82 #define DPRINTFN(n, x) 83 #endif 84 85 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 86 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 87 88 /* various supported device vendors/products */ 89 #define ZYD_ZD1211_DEV(v, p) \ 90 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 91 #define ZYD_ZD1211B_DEV(v, p) \ 92 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 93 static const struct zyd_type { 94 struct usb_devno dev; 95 uint8_t rev; 96 #define ZYD_ZD1211 0 97 #define ZYD_ZD1211B 1 98 } zyd_devs[] = { 99 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 100 ZYD_ZD1211_DEV(ABOCOM, WL54), 101 ZYD_ZD1211_DEV(ASUSTEK, WL159G), 102 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 103 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 104 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 105 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 106 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 107 ZYD_ZD1211_DEV(SAGEM, XG760A), 108 ZYD_ZD1211_DEV(SENAO, NUB8301), 109 ZYD_ZD1211_DEV(SITECOMEU, WL113), 110 ZYD_ZD1211_DEV(SWEEX, ZD1211), 111 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 112 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 113 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 114 ZYD_ZD1211_DEV(TWINMOS, G240), 115 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 116 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 117 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 118 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 119 ZYD_ZD1211_DEV(ZCOM, ZD1211), 120 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 121 ZYD_ZD1211_DEV(ZYXEL, AG225H), 122 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 123 124 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 125 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 126 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 127 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 128 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 129 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 130 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 131 ZYD_ZD1211B_DEV(MELCO, KG54L), 132 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 133 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 134 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 135 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 136 #if 0 /* Shall we needs? */ 137 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 138 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 139 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 140 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 141 #endif 142 ZYD_ZD1211B_DEV(USR, USR5423), 143 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 144 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 145 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 146 ZYD_ZD1211B_DEV(ZYXEL, M202), 147 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 148 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 USB_DECLARE_DRIVER(zyd); 154 155 Static int zyd_attachhook(void *); 156 Static int zyd_complete_attach(struct zyd_softc *); 157 Static int zyd_open_pipes(struct zyd_softc *); 158 Static void zyd_close_pipes(struct zyd_softc *); 159 Static int zyd_alloc_tx_list(struct zyd_softc *); 160 Static void zyd_free_tx_list(struct zyd_softc *); 161 Static int zyd_alloc_rx_list(struct zyd_softc *); 162 Static void zyd_free_rx_list(struct zyd_softc *); 163 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 164 Static int zyd_media_change(struct ifnet *); 165 Static void zyd_next_scan(void *); 166 Static void zyd_task(void *); 167 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 168 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 169 void *, int, u_int); 170 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 171 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 172 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 173 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 174 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 175 Static void zyd_lock_phy(struct zyd_softc *); 176 Static void zyd_unlock_phy(struct zyd_softc *); 177 Static int zyd_rfmd_init(struct zyd_rf *); 178 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 179 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 180 Static int zyd_al2230_init(struct zyd_rf *); 181 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 182 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 183 Static int zyd_al2230_init_b(struct zyd_rf *); 184 Static int zyd_al7230B_init(struct zyd_rf *); 185 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 186 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 187 Static int zyd_al2210_init(struct zyd_rf *); 188 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 189 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 190 Static int zyd_gct_init(struct zyd_rf *); 191 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 192 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 193 Static int zyd_maxim_init(struct zyd_rf *); 194 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 195 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 196 Static int zyd_maxim2_init(struct zyd_rf *); 197 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 198 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 199 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 200 Static const char *zyd_rf_name(uint8_t); 201 Static int zyd_hw_init(struct zyd_softc *); 202 Static int zyd_read_eeprom(struct zyd_softc *); 203 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 204 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 205 Static int zyd_switch_radio(struct zyd_softc *, int); 206 Static void zyd_set_led(struct zyd_softc *, int, int); 207 Static int zyd_set_rxfilter(struct zyd_softc *); 208 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 209 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 210 Static uint8_t zyd_plcp_signal(int); 211 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 212 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 213 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 214 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 215 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 216 struct ieee80211_node *); 217 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 218 struct ieee80211_node *); 219 Static void zyd_start(struct ifnet *); 220 Static void zyd_watchdog(struct ifnet *); 221 Static int zyd_ioctl(struct ifnet *, u_long, void *); 222 Static int zyd_init(struct ifnet *); 223 Static void zyd_stop(struct ifnet *, int); 224 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 225 Static void zyd_iter_func(void *, struct ieee80211_node *); 226 Static void zyd_amrr_timeout(void *); 227 Static void zyd_newassoc(struct ieee80211_node *, int); 228 229 static const struct ieee80211_rateset zyd_rateset_11b = 230 { 4, { 2, 4, 11, 22 } }; 231 232 static const struct ieee80211_rateset zyd_rateset_11g = 233 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 234 235 USB_MATCH(zyd) 236 { 237 USB_MATCH_START(zyd, uaa); 238 239 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 240 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 241 } 242 243 Static int 244 zyd_attachhook(void *xsc) 245 { 246 struct zyd_softc *sc = xsc; 247 firmware_handle_t fwh; 248 const char *fwname; 249 u_char *fw; 250 size_t size; 251 int error; 252 253 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 254 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 255 printf("%s: failed to open firmware %s (error=%d)\n", 256 USBDEVNAME(sc->sc_dev), fwname, error); 257 return error; 258 } 259 size = firmware_get_size(fwh); 260 fw = firmware_malloc(size); 261 if (fw == NULL) { 262 printf("%s: failed to allocate firmware memory\n", 263 USBDEVNAME(sc->sc_dev)); 264 firmware_close(fwh); 265 return ENOMEM;; 266 } 267 error = firmware_read(fwh, 0, fw, size); 268 firmware_close(fwh); 269 if (error != 0) { 270 printf("%s: failed to read firmware (error %d)\n", 271 USBDEVNAME(sc->sc_dev), error); 272 firmware_free(fw, 0); 273 return error; 274 } 275 276 error = zyd_loadfirmware(sc, fw, size); 277 if (error != 0) { 278 printf("%s: could not load firmware (error=%d)\n", 279 USBDEVNAME(sc->sc_dev), error); 280 firmware_free(fw, 0); 281 return ENXIO; 282 } 283 284 firmware_free(fw, 0); 285 sc->sc_flags |= ZD1211_FWLOADED; 286 287 /* complete the attach process */ 288 if ((error = zyd_complete_attach(sc)) == 0) 289 sc->attached = 1; 290 return error; 291 } 292 293 USB_ATTACH(zyd) 294 { 295 USB_ATTACH_START(zyd, sc, uaa); 296 char *devinfop; 297 usb_device_descriptor_t* ddesc; 298 struct ifnet *ifp = &sc->sc_if; 299 300 sc->sc_udev = uaa->device; 301 sc->sc_flags = 0; 302 303 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 304 USB_ATTACH_SETUP; 305 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 306 usbd_devinfo_free(devinfop); 307 308 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 309 310 ddesc = usbd_get_device_descriptor(sc->sc_udev); 311 if (UGETW(ddesc->bcdDevice) < 0x4330) { 312 printf("%s: device version mismatch: 0x%x " 313 "(only >= 43.30 supported)\n", USBDEVNAME(sc->sc_dev), 314 UGETW(ddesc->bcdDevice)); 315 USB_ATTACH_ERROR_RETURN; 316 } 317 318 ifp->if_softc = sc; 319 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 320 ifp->if_init = zyd_init; 321 ifp->if_ioctl = zyd_ioctl; 322 ifp->if_start = zyd_start; 323 ifp->if_watchdog = zyd_watchdog; 324 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 325 IFQ_SET_READY(&ifp->if_snd); 326 memcpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); 327 328 if_attach(ifp); 329 /* XXXX: alloc temporarily until the layer2 can be configured. */ 330 if_alloc_sadl(ifp); 331 332 SIMPLEQ_INIT(&sc->sc_rqh); 333 334 USB_ATTACH_SUCCESS_RETURN; 335 } 336 337 Static int 338 zyd_complete_attach(struct zyd_softc *sc) 339 { 340 struct ieee80211com *ic = &sc->sc_ic; 341 struct ifnet *ifp = &sc->sc_if; 342 usbd_status error; 343 int i; 344 345 usb_init_task(&sc->sc_task, zyd_task, sc); 346 usb_callout_init(sc->sc_scan_ch); 347 348 sc->amrr.amrr_min_success_threshold = 1; 349 sc->amrr.amrr_max_success_threshold = 10; 350 usb_callout_init(sc->sc_amrr_ch); 351 352 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 353 if (error != 0) { 354 printf("%s: setting config no failed\n", 355 USBDEVNAME(sc->sc_dev)); 356 goto fail; 357 } 358 359 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 360 &sc->sc_iface); 361 if (error != 0) { 362 printf("%s: getting interface handle failed\n", 363 USBDEVNAME(sc->sc_dev)); 364 goto fail; 365 } 366 367 if ((error = zyd_open_pipes(sc)) != 0) { 368 printf("%s: could not open pipes\n", USBDEVNAME(sc->sc_dev)); 369 goto fail; 370 } 371 372 if ((error = zyd_read_eeprom(sc)) != 0) { 373 printf("%s: could not read EEPROM\n", USBDEVNAME(sc->sc_dev)); 374 goto fail; 375 } 376 377 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 378 printf("%s: could not attach RF\n", USBDEVNAME(sc->sc_dev)); 379 goto fail; 380 } 381 382 if ((error = zyd_hw_init(sc)) != 0) { 383 printf("%s: hardware initialization failed\n", 384 USBDEVNAME(sc->sc_dev)); 385 goto fail; 386 } 387 388 printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 389 USBDEVNAME(sc->sc_dev), (sc->mac_rev == ZYD_ZD1211) ? "": "B", 390 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 391 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 392 393 ic->ic_ifp = ifp; 394 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 395 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 396 ic->ic_state = IEEE80211_S_INIT; 397 398 /* set device capabilities */ 399 ic->ic_caps = 400 IEEE80211_C_MONITOR | /* monitor mode supported */ 401 IEEE80211_C_TXPMGT | /* tx power management */ 402 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 403 IEEE80211_C_WEP; /* s/w WEP */ 404 405 /* set supported .11b and .11g rates */ 406 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 407 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 408 409 /* set supported .11b and .11g channels (1 through 14) */ 410 for (i = 1; i <= 14; i++) { 411 ic->ic_channels[i].ic_freq = 412 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 413 ic->ic_channels[i].ic_flags = 414 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 415 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 416 } 417 418 if_free_sadl(ifp); 419 ieee80211_ifattach(ic); 420 ic->ic_node_alloc = zyd_node_alloc; 421 ic->ic_newassoc = zyd_newassoc; 422 423 /* override state transition machine */ 424 sc->sc_newstate = ic->ic_newstate; 425 ic->ic_newstate = zyd_newstate; 426 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 427 428 #if NBPFILTER > 0 429 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 430 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 431 &sc->sc_drvbpf); 432 433 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 434 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 435 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 436 437 sc->sc_txtap_len = sizeof sc->sc_txtapu; 438 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 439 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 440 #endif 441 442 ieee80211_announce(ic); 443 444 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 445 USBDEV(sc->sc_dev)); 446 447 fail: return error; 448 } 449 450 USB_DETACH(zyd) 451 { 452 USB_DETACH_START(zyd, sc); 453 struct ieee80211com *ic = &sc->sc_ic; 454 struct ifnet *ifp = &sc->sc_if; 455 int s; 456 457 if (!sc->attached) { 458 if_free_sadl(ifp); 459 if_detach(ifp); 460 return 0; 461 } 462 463 s = splusb(); 464 465 zyd_stop(ifp, 1); 466 usb_rem_task(sc->sc_udev, &sc->sc_task); 467 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 468 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 469 470 zyd_close_pipes(sc); 471 472 zyd_free_rx_list(sc); 473 zyd_free_tx_list(sc); 474 475 sc->attached = 0; 476 477 #if NBPFILTER > 0 478 bpfdetach(ifp); 479 #endif 480 ieee80211_ifdetach(ic); 481 if_detach(ifp); 482 483 splx(s); 484 485 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 486 USBDEV(sc->sc_dev)); 487 488 return 0; 489 } 490 491 Static int 492 zyd_open_pipes(struct zyd_softc *sc) 493 { 494 usb_endpoint_descriptor_t *edesc; 495 int isize; 496 usbd_status error; 497 498 /* interrupt in */ 499 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 500 if (edesc == NULL) 501 return EINVAL; 502 503 isize = UGETW(edesc->wMaxPacketSize); 504 if (isize == 0) /* should not happen */ 505 return EINVAL; 506 507 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 508 if (sc->ibuf == NULL) 509 return ENOMEM; 510 511 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 512 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 513 USBD_DEFAULT_INTERVAL); 514 if (error != 0) { 515 printf("%s: open rx intr pipe failed: %s\n", 516 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 517 goto fail; 518 } 519 520 /* interrupt out (not necessarily an interrupt pipe) */ 521 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 522 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 523 if (error != 0) { 524 printf("%s: open tx intr pipe failed: %s\n", 525 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 526 goto fail; 527 } 528 529 /* bulk in */ 530 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 531 &sc->zyd_ep[ZYD_ENDPT_BIN]); 532 if (error != 0) { 533 printf("%s: open rx pipe failed: %s\n", 534 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 535 goto fail; 536 } 537 538 /* bulk out */ 539 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 540 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 541 if (error != 0) { 542 printf("%s: open tx pipe failed: %s\n", 543 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 544 goto fail; 545 } 546 547 return 0; 548 549 fail: zyd_close_pipes(sc); 550 return error; 551 } 552 553 Static void 554 zyd_close_pipes(struct zyd_softc *sc) 555 { 556 int i; 557 558 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 559 if (sc->zyd_ep[i] != NULL) { 560 usbd_abort_pipe(sc->zyd_ep[i]); 561 usbd_close_pipe(sc->zyd_ep[i]); 562 sc->zyd_ep[i] = NULL; 563 } 564 } 565 if (sc->ibuf != NULL) { 566 free(sc->ibuf, M_USBDEV); 567 sc->ibuf = NULL; 568 } 569 } 570 571 Static int 572 zyd_alloc_tx_list(struct zyd_softc *sc) 573 { 574 int i, error; 575 576 sc->tx_queued = 0; 577 578 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 579 struct zyd_tx_data *data = &sc->tx_data[i]; 580 581 data->sc = sc; /* backpointer for callbacks */ 582 583 data->xfer = usbd_alloc_xfer(sc->sc_udev); 584 if (data->xfer == NULL) { 585 printf("%s: could not allocate tx xfer\n", 586 USBDEVNAME(sc->sc_dev)); 587 error = ENOMEM; 588 goto fail; 589 } 590 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 591 if (data->buf == NULL) { 592 printf("%s: could not allocate tx buffer\n", 593 USBDEVNAME(sc->sc_dev)); 594 error = ENOMEM; 595 goto fail; 596 } 597 598 /* clear Tx descriptor */ 599 bzero(data->buf, sizeof (struct zyd_tx_desc)); 600 } 601 return 0; 602 603 fail: zyd_free_tx_list(sc); 604 return error; 605 } 606 607 Static void 608 zyd_free_tx_list(struct zyd_softc *sc) 609 { 610 int i; 611 612 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 613 struct zyd_tx_data *data = &sc->tx_data[i]; 614 615 if (data->xfer != NULL) { 616 usbd_free_xfer(data->xfer); 617 data->xfer = NULL; 618 } 619 if (data->ni != NULL) { 620 ieee80211_free_node(data->ni); 621 data->ni = NULL; 622 } 623 } 624 } 625 626 Static int 627 zyd_alloc_rx_list(struct zyd_softc *sc) 628 { 629 int i, error; 630 631 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 632 struct zyd_rx_data *data = &sc->rx_data[i]; 633 634 data->sc = sc; /* backpointer for callbacks */ 635 636 data->xfer = usbd_alloc_xfer(sc->sc_udev); 637 if (data->xfer == NULL) { 638 printf("%s: could not allocate rx xfer\n", 639 USBDEVNAME(sc->sc_dev)); 640 error = ENOMEM; 641 goto fail; 642 } 643 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 644 if (data->buf == NULL) { 645 printf("%s: could not allocate rx buffer\n", 646 USBDEVNAME(sc->sc_dev)); 647 error = ENOMEM; 648 goto fail; 649 } 650 } 651 return 0; 652 653 fail: zyd_free_rx_list(sc); 654 return error; 655 } 656 657 Static void 658 zyd_free_rx_list(struct zyd_softc *sc) 659 { 660 int i; 661 662 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 663 struct zyd_rx_data *data = &sc->rx_data[i]; 664 665 if (data->xfer != NULL) { 666 usbd_free_xfer(data->xfer); 667 data->xfer = NULL; 668 } 669 } 670 } 671 672 /* ARGUSED */ 673 Static struct ieee80211_node * 674 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 675 { 676 struct zyd_node *zn; 677 678 zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT); 679 if (zn != NULL) 680 bzero(zn, sizeof (struct zyd_node)); 681 return (struct ieee80211_node *)zn; 682 } 683 684 Static int 685 zyd_media_change(struct ifnet *ifp) 686 { 687 int error; 688 689 error = ieee80211_media_change(ifp); 690 if (error != ENETRESET) 691 return error; 692 693 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 694 zyd_init(ifp); 695 696 return 0; 697 } 698 699 /* 700 * This function is called periodically (every 200ms) during scanning to 701 * switch from one channel to another. 702 */ 703 Static void 704 zyd_next_scan(void *arg) 705 { 706 struct zyd_softc *sc = arg; 707 struct ieee80211com *ic = &sc->sc_ic; 708 709 if (ic->ic_state == IEEE80211_S_SCAN) 710 ieee80211_next_scan(ic); 711 } 712 713 Static void 714 zyd_task(void *arg) 715 { 716 struct zyd_softc *sc = arg; 717 struct ieee80211com *ic = &sc->sc_ic; 718 enum ieee80211_state ostate; 719 720 ostate = ic->ic_state; 721 722 switch (sc->sc_state) { 723 case IEEE80211_S_INIT: 724 if (ostate == IEEE80211_S_RUN) { 725 /* turn link LED off */ 726 zyd_set_led(sc, ZYD_LED1, 0); 727 728 /* stop data LED from blinking */ 729 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 730 } 731 break; 732 733 case IEEE80211_S_SCAN: 734 zyd_set_chan(sc, ic->ic_curchan); 735 usb_callout(sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 736 break; 737 738 case IEEE80211_S_AUTH: 739 case IEEE80211_S_ASSOC: 740 zyd_set_chan(sc, ic->ic_curchan); 741 break; 742 743 case IEEE80211_S_RUN: 744 { 745 struct ieee80211_node *ni = ic->ic_bss; 746 747 zyd_set_chan(sc, ic->ic_curchan); 748 749 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 750 /* turn link LED on */ 751 zyd_set_led(sc, ZYD_LED1, 1); 752 753 /* make data LED blink upon Tx */ 754 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 755 756 zyd_set_bssid(sc, ni->ni_bssid); 757 } 758 759 if (ic->ic_opmode == IEEE80211_M_STA) { 760 /* fake a join to init the tx rate */ 761 zyd_newassoc(ni, 1); 762 } 763 764 /* start automatic rate control timer */ 765 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 766 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 767 768 break; 769 } 770 } 771 772 sc->sc_newstate(ic, sc->sc_state, -1); 773 } 774 775 Static int 776 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 777 { 778 struct zyd_softc *sc = ic->ic_ifp->if_softc; 779 780 usb_rem_task(sc->sc_udev, &sc->sc_task); 781 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 782 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 783 784 /* do it in a process context */ 785 sc->sc_state = nstate; 786 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 787 788 return 0; 789 } 790 791 Static int 792 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 793 void *odata, int olen, u_int flags) 794 { 795 usbd_xfer_handle xfer; 796 struct zyd_cmd cmd; 797 struct rq rq; 798 uint16_t xferflags; 799 usbd_status error; 800 int s = 0; 801 802 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 803 return ENOMEM; 804 805 cmd.code = htole16(code); 806 bcopy(idata, cmd.data, ilen); 807 808 xferflags = USBD_FORCE_SHORT_XFER; 809 if (!(flags & ZYD_CMD_FLAG_READ)) 810 xferflags |= USBD_SYNCHRONOUS; 811 else { 812 s = splusb(); 813 rq.idata = idata; 814 rq.odata = odata; 815 rq.len = olen / sizeof (struct zyd_pair); 816 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 817 } 818 819 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 820 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 821 error = usbd_transfer(xfer); 822 if (error != USBD_IN_PROGRESS && error != 0) { 823 if (flags & ZYD_CMD_FLAG_READ) 824 splx(s); 825 printf("%s: could not send command (error=%s)\n", 826 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 827 (void)usbd_free_xfer(xfer); 828 return EIO; 829 } 830 if (!(flags & ZYD_CMD_FLAG_READ)) { 831 (void)usbd_free_xfer(xfer); 832 return 0; /* write: don't wait for reply */ 833 } 834 /* wait at most one second for command reply */ 835 error = tsleep(odata, PCATCH, "zydcmd", hz); 836 if (error == EWOULDBLOCK) 837 printf("%s: zyd_read sleep timeout\n", USBDEVNAME(sc->sc_dev)); 838 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 839 splx(s); 840 841 (void)usbd_free_xfer(xfer); 842 return error; 843 } 844 845 Static int 846 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 847 { 848 struct zyd_pair tmp; 849 int error; 850 851 reg = htole16(reg); 852 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 853 ZYD_CMD_FLAG_READ); 854 if (error == 0) 855 *val = le16toh(tmp.val); 856 return error; 857 } 858 859 Static int 860 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 861 { 862 struct zyd_pair tmp[2]; 863 uint16_t regs[2]; 864 int error; 865 866 regs[0] = htole16(ZYD_REG32_HI(reg)); 867 regs[1] = htole16(ZYD_REG32_LO(reg)); 868 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 869 ZYD_CMD_FLAG_READ); 870 if (error == 0) 871 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 872 return error; 873 } 874 875 Static int 876 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 877 { 878 struct zyd_pair pair; 879 880 pair.reg = htole16(reg); 881 pair.val = htole16(val); 882 883 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 884 } 885 886 Static int 887 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 888 { 889 struct zyd_pair pair[2]; 890 891 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 892 pair[0].val = htole16(val >> 16); 893 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 894 pair[1].val = htole16(val & 0xffff); 895 896 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 897 } 898 899 Static int 900 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 901 { 902 struct zyd_rf *rf = &sc->sc_rf; 903 struct zyd_rfwrite req; 904 uint16_t cr203; 905 int i; 906 907 (void)zyd_read16(sc, ZYD_CR203, &cr203); 908 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 909 910 req.code = htole16(2); 911 req.width = htole16(rf->width); 912 for (i = 0; i < rf->width; i++) { 913 req.bit[i] = htole16(cr203); 914 if (val & (1 << (rf->width - 1 - i))) 915 req.bit[i] |= htole16(ZYD_RF_DATA); 916 } 917 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 918 } 919 920 Static void 921 zyd_lock_phy(struct zyd_softc *sc) 922 { 923 uint32_t tmp; 924 925 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 926 tmp &= ~ZYD_UNLOCK_PHY_REGS; 927 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 928 } 929 930 Static void 931 zyd_unlock_phy(struct zyd_softc *sc) 932 { 933 uint32_t tmp; 934 935 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 936 tmp |= ZYD_UNLOCK_PHY_REGS; 937 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 938 } 939 940 /* 941 * RFMD RF methods. 942 */ 943 Static int 944 zyd_rfmd_init(struct zyd_rf *rf) 945 { 946 #define N(a) (sizeof (a) / sizeof ((a)[0])) 947 struct zyd_softc *sc = rf->rf_sc; 948 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 949 static const uint32_t rfini[] = ZYD_RFMD_RF; 950 int i, error; 951 952 /* init RF-dependent PHY registers */ 953 for (i = 0; i < N(phyini); i++) { 954 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 955 if (error != 0) 956 return error; 957 } 958 959 /* init RFMD radio */ 960 for (i = 0; i < N(rfini); i++) { 961 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 962 return error; 963 } 964 return 0; 965 #undef N 966 } 967 968 Static int 969 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 970 { 971 struct zyd_softc *sc = rf->rf_sc; 972 973 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 974 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 975 976 return 0; 977 } 978 979 Static int 980 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 981 { 982 struct zyd_softc *sc = rf->rf_sc; 983 static const struct { 984 uint32_t r1, r2; 985 } rfprog[] = ZYD_RFMD_CHANTABLE; 986 987 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 988 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 989 990 return 0; 991 } 992 993 /* 994 * AL2230 RF methods. 995 */ 996 Static int 997 zyd_al2230_init(struct zyd_rf *rf) 998 { 999 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1000 struct zyd_softc *sc = rf->rf_sc; 1001 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1002 static const uint32_t rfini[] = ZYD_AL2230_RF; 1003 int i, error; 1004 1005 /* init RF-dependent PHY registers */ 1006 for (i = 0; i < N(phyini); i++) { 1007 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1008 if (error != 0) 1009 return error; 1010 } 1011 1012 /* init AL2230 radio */ 1013 for (i = 0; i < N(rfini); i++) { 1014 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1015 return error; 1016 } 1017 return 0; 1018 #undef N 1019 } 1020 1021 Static int 1022 zyd_al2230_init_b(struct zyd_rf *rf) 1023 { 1024 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1025 struct zyd_softc *sc = rf->rf_sc; 1026 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1027 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1028 int i, error; 1029 1030 /* init RF-dependent PHY registers */ 1031 for (i = 0; i < N(phyini); i++) { 1032 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1033 if (error != 0) 1034 return error; 1035 } 1036 1037 /* init AL2230 radio */ 1038 for (i = 0; i < N(rfini); i++) { 1039 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1040 return error; 1041 } 1042 return 0; 1043 #undef N 1044 } 1045 1046 Static int 1047 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1048 { 1049 struct zyd_softc *sc = rf->rf_sc; 1050 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1051 1052 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1053 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1054 1055 return 0; 1056 } 1057 1058 Static int 1059 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1060 { 1061 struct zyd_softc *sc = rf->rf_sc; 1062 static const struct { 1063 uint32_t r1, r2, r3; 1064 } rfprog[] = ZYD_AL2230_CHANTABLE; 1065 1066 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1067 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1068 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1069 1070 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1071 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1072 1073 return 0; 1074 } 1075 1076 /* 1077 * AL7230B RF methods. 1078 */ 1079 Static int 1080 zyd_al7230B_init(struct zyd_rf *rf) 1081 { 1082 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1083 struct zyd_softc *sc = rf->rf_sc; 1084 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1085 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1086 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1087 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1088 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1089 int i, error; 1090 1091 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1092 1093 /* init RF-dependent PHY registers, part one */ 1094 for (i = 0; i < N(phyini_1); i++) { 1095 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1096 if (error != 0) 1097 return error; 1098 } 1099 /* init AL7230B radio, part one */ 1100 for (i = 0; i < N(rfini_1); i++) { 1101 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1102 return error; 1103 } 1104 /* init RF-dependent PHY registers, part two */ 1105 for (i = 0; i < N(phyini_2); i++) { 1106 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1107 if (error != 0) 1108 return error; 1109 } 1110 /* init AL7230B radio, part two */ 1111 for (i = 0; i < N(rfini_2); i++) { 1112 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1113 return error; 1114 } 1115 /* init RF-dependent PHY registers, part three */ 1116 for (i = 0; i < N(phyini_3); i++) { 1117 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1118 if (error != 0) 1119 return error; 1120 } 1121 1122 return 0; 1123 #undef N 1124 } 1125 1126 Static int 1127 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1128 { 1129 struct zyd_softc *sc = rf->rf_sc; 1130 1131 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1132 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1133 1134 return 0; 1135 } 1136 1137 Static int 1138 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1139 { 1140 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1141 struct zyd_softc *sc = rf->rf_sc; 1142 static const struct { 1143 uint32_t r1, r2; 1144 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1145 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1146 int i, error; 1147 1148 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1149 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1150 1151 for (i = 0; i < N(rfsc); i++) { 1152 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1153 return error; 1154 } 1155 1156 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1157 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1158 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1159 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1160 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1161 1162 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1163 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1164 (void)zyd_rfwrite(sc, 0x3c9000); 1165 1166 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1167 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1168 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1169 1170 return 0; 1171 #undef N 1172 } 1173 1174 /* 1175 * AL2210 RF methods. 1176 */ 1177 Static int 1178 zyd_al2210_init(struct zyd_rf *rf) 1179 { 1180 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1181 struct zyd_softc *sc = rf->rf_sc; 1182 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1183 static const uint32_t rfini[] = ZYD_AL2210_RF; 1184 uint32_t tmp; 1185 int i, error; 1186 1187 (void)zyd_write32(sc, ZYD_CR18, 2); 1188 1189 /* init RF-dependent PHY registers */ 1190 for (i = 0; i < N(phyini); i++) { 1191 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1192 if (error != 0) 1193 return error; 1194 } 1195 /* init AL2210 radio */ 1196 for (i = 0; i < N(rfini); i++) { 1197 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1198 return error; 1199 } 1200 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1201 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1202 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1203 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1204 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1205 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1206 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1207 (void)zyd_write32(sc, ZYD_CR18, 3); 1208 1209 return 0; 1210 #undef N 1211 } 1212 1213 Static int 1214 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1215 { 1216 /* vendor driver does nothing for this RF chip */ 1217 1218 return 0; 1219 } 1220 1221 Static int 1222 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1223 { 1224 struct zyd_softc *sc = rf->rf_sc; 1225 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1226 uint32_t tmp; 1227 1228 (void)zyd_write32(sc, ZYD_CR18, 2); 1229 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1230 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1231 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1232 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1233 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1234 1235 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1236 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1237 1238 /* actually set the channel */ 1239 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1240 1241 (void)zyd_write32(sc, ZYD_CR18, 3); 1242 1243 return 0; 1244 } 1245 1246 /* 1247 * GCT RF methods. 1248 */ 1249 Static int 1250 zyd_gct_init(struct zyd_rf *rf) 1251 { 1252 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1253 struct zyd_softc *sc = rf->rf_sc; 1254 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1255 static const uint32_t rfini[] = ZYD_GCT_RF; 1256 int i, error; 1257 1258 /* init RF-dependent PHY registers */ 1259 for (i = 0; i < N(phyini); i++) { 1260 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1261 if (error != 0) 1262 return error; 1263 } 1264 /* init cgt radio */ 1265 for (i = 0; i < N(rfini); i++) { 1266 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1267 return error; 1268 } 1269 return 0; 1270 #undef N 1271 } 1272 1273 Static int 1274 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1275 { 1276 /* vendor driver does nothing for this RF chip */ 1277 1278 return 0; 1279 } 1280 1281 Static int 1282 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1283 { 1284 struct zyd_softc *sc = rf->rf_sc; 1285 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1286 1287 (void)zyd_rfwrite(sc, 0x1c0000); 1288 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1289 (void)zyd_rfwrite(sc, 0x1c0008); 1290 1291 return 0; 1292 } 1293 1294 /* 1295 * Maxim RF methods. 1296 */ 1297 Static int 1298 zyd_maxim_init(struct zyd_rf *rf) 1299 { 1300 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1301 struct zyd_softc *sc = rf->rf_sc; 1302 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1303 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1304 uint16_t tmp; 1305 int i, error; 1306 1307 /* init RF-dependent PHY registers */ 1308 for (i = 0; i < N(phyini); i++) { 1309 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1310 if (error != 0) 1311 return error; 1312 } 1313 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1314 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1315 1316 /* init maxim radio */ 1317 for (i = 0; i < N(rfini); i++) { 1318 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1319 return error; 1320 } 1321 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1322 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1323 1324 return 0; 1325 #undef N 1326 } 1327 1328 Static int 1329 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1330 { 1331 /* vendor driver does nothing for this RF chip */ 1332 1333 return 0; 1334 } 1335 1336 Static int 1337 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1338 { 1339 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1340 struct zyd_softc *sc = rf->rf_sc; 1341 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1342 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1343 static const struct { 1344 uint32_t r1, r2; 1345 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1346 uint16_t tmp; 1347 int i, error; 1348 1349 /* 1350 * Do the same as we do when initializing it, except for the channel 1351 * values coming from the two channel tables. 1352 */ 1353 1354 /* init RF-dependent PHY registers */ 1355 for (i = 0; i < N(phyini); i++) { 1356 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1357 if (error != 0) 1358 return error; 1359 } 1360 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1361 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1362 1363 /* first two values taken from the chantables */ 1364 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1365 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1366 1367 /* init maxim radio - skipping the two first values */ 1368 for (i = 2; i < N(rfini); i++) { 1369 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1370 return error; 1371 } 1372 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1373 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1374 1375 return 0; 1376 #undef N 1377 } 1378 1379 /* 1380 * Maxim2 RF methods. 1381 */ 1382 Static int 1383 zyd_maxim2_init(struct zyd_rf *rf) 1384 { 1385 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1386 struct zyd_softc *sc = rf->rf_sc; 1387 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1388 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1389 uint16_t tmp; 1390 int i, error; 1391 1392 /* init RF-dependent PHY registers */ 1393 for (i = 0; i < N(phyini); i++) { 1394 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1395 if (error != 0) 1396 return error; 1397 } 1398 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1399 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1400 1401 /* init maxim2 radio */ 1402 for (i = 0; i < N(rfini); i++) { 1403 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1404 return error; 1405 } 1406 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1407 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1408 1409 return 0; 1410 #undef N 1411 } 1412 1413 Static int 1414 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1415 { 1416 /* vendor driver does nothing for this RF chip */ 1417 1418 return 0; 1419 } 1420 1421 Static int 1422 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1423 { 1424 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1425 struct zyd_softc *sc = rf->rf_sc; 1426 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1427 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1428 static const struct { 1429 uint32_t r1, r2; 1430 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1431 uint16_t tmp; 1432 int i, error; 1433 1434 /* 1435 * Do the same as we do when initializing it, except for the channel 1436 * values coming from the two channel tables. 1437 */ 1438 1439 /* init RF-dependent PHY registers */ 1440 for (i = 0; i < N(phyini); i++) { 1441 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1442 if (error != 0) 1443 return error; 1444 } 1445 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1446 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1447 1448 /* first two values taken from the chantables */ 1449 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1450 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1451 1452 /* init maxim2 radio - skipping the two first values */ 1453 for (i = 2; i < N(rfini); i++) { 1454 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1461 #undef N 1462 } 1463 1464 Static int 1465 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1466 { 1467 struct zyd_rf *rf = &sc->sc_rf; 1468 1469 rf->rf_sc = sc; 1470 1471 switch (type) { 1472 case ZYD_RF_RFMD: 1473 rf->init = zyd_rfmd_init; 1474 rf->switch_radio = zyd_rfmd_switch_radio; 1475 rf->set_channel = zyd_rfmd_set_channel; 1476 rf->width = 24; /* 24-bit RF values */ 1477 break; 1478 case ZYD_RF_AL2230: 1479 if (sc->mac_rev == ZYD_ZD1211B) 1480 rf->init = zyd_al2230_init_b; 1481 else 1482 rf->init = zyd_al2230_init; 1483 rf->switch_radio = zyd_al2230_switch_radio; 1484 rf->set_channel = zyd_al2230_set_channel; 1485 rf->width = 24; /* 24-bit RF values */ 1486 break; 1487 case ZYD_RF_AL7230B: 1488 rf->init = zyd_al7230B_init; 1489 rf->switch_radio = zyd_al7230B_switch_radio; 1490 rf->set_channel = zyd_al7230B_set_channel; 1491 rf->width = 24; /* 24-bit RF values */ 1492 break; 1493 case ZYD_RF_AL2210: 1494 rf->init = zyd_al2210_init; 1495 rf->switch_radio = zyd_al2210_switch_radio; 1496 rf->set_channel = zyd_al2210_set_channel; 1497 rf->width = 24; /* 24-bit RF values */ 1498 break; 1499 case ZYD_RF_GCT: 1500 rf->init = zyd_gct_init; 1501 rf->switch_radio = zyd_gct_switch_radio; 1502 rf->set_channel = zyd_gct_set_channel; 1503 rf->width = 21; /* 21-bit RF values */ 1504 break; 1505 case ZYD_RF_MAXIM_NEW: 1506 rf->init = zyd_maxim_init; 1507 rf->switch_radio = zyd_maxim_switch_radio; 1508 rf->set_channel = zyd_maxim_set_channel; 1509 rf->width = 18; /* 18-bit RF values */ 1510 break; 1511 case ZYD_RF_MAXIM_NEW2: 1512 rf->init = zyd_maxim2_init; 1513 rf->switch_radio = zyd_maxim2_switch_radio; 1514 rf->set_channel = zyd_maxim2_set_channel; 1515 rf->width = 18; /* 18-bit RF values */ 1516 break; 1517 default: 1518 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1519 USBDEVNAME(sc->sc_dev), zyd_rf_name(type)); 1520 return EINVAL; 1521 } 1522 return 0; 1523 } 1524 1525 Static const char * 1526 zyd_rf_name(uint8_t type) 1527 { 1528 static const char * const zyd_rfs[] = { 1529 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1530 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1531 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1532 "PHILIPS" 1533 }; 1534 1535 return zyd_rfs[(type > 15) ? 0 : type]; 1536 } 1537 1538 Static int 1539 zyd_hw_init(struct zyd_softc *sc) 1540 { 1541 struct zyd_rf *rf = &sc->sc_rf; 1542 const struct zyd_phy_pair *phyp; 1543 int error; 1544 1545 /* specify that the plug and play is finished */ 1546 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1547 1548 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1549 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1550 1551 /* retrieve firmware revision number */ 1552 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1553 1554 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1555 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1556 1557 /* disable interrupts */ 1558 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1559 1560 /* PHY init */ 1561 zyd_lock_phy(sc); 1562 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1563 for (; phyp->reg != 0; phyp++) { 1564 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1565 goto fail; 1566 } 1567 zyd_unlock_phy(sc); 1568 1569 /* HMAC init */ 1570 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1571 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1572 1573 if (sc->mac_rev == ZYD_ZD1211) { 1574 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1575 } else { 1576 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1577 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1578 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1579 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1580 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1581 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1582 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1583 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1584 } 1585 1586 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1587 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1588 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1589 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1590 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1591 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1592 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1593 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1594 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1595 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1596 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1597 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1598 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1599 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1600 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1601 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1602 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1603 1604 /* RF chip init */ 1605 zyd_lock_phy(sc); 1606 error = (*rf->init)(rf); 1607 zyd_unlock_phy(sc); 1608 if (error != 0) { 1609 printf("%s: radio initialization failed\n", 1610 USBDEVNAME(sc->sc_dev)); 1611 goto fail; 1612 } 1613 1614 /* init beacon interval to 100ms */ 1615 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1616 goto fail; 1617 1618 fail: return error; 1619 } 1620 1621 Static int 1622 zyd_read_eeprom(struct zyd_softc *sc) 1623 { 1624 struct ieee80211com *ic = &sc->sc_ic; 1625 uint32_t tmp; 1626 uint16_t val; 1627 int i; 1628 1629 /* read MAC address */ 1630 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1631 ic->ic_myaddr[0] = tmp & 0xff; 1632 ic->ic_myaddr[1] = tmp >> 8; 1633 ic->ic_myaddr[2] = tmp >> 16; 1634 ic->ic_myaddr[3] = tmp >> 24; 1635 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1636 ic->ic_myaddr[4] = tmp & 0xff; 1637 ic->ic_myaddr[5] = tmp >> 8; 1638 1639 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1640 sc->rf_rev = tmp & 0x0f; 1641 sc->pa_rev = (tmp >> 16) & 0x0f; 1642 1643 /* read regulatory domain (currently unused) */ 1644 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1645 sc->regdomain = tmp >> 16; 1646 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1647 1648 /* read Tx power calibration tables */ 1649 for (i = 0; i < 7; i++) { 1650 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1651 sc->pwr_cal[i * 2] = val >> 8; 1652 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1653 1654 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1655 sc->pwr_int[i * 2] = val >> 8; 1656 sc->pwr_int[i * 2 + 1] = val & 0xff; 1657 1658 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1659 sc->ofdm36_cal[i * 2] = val >> 8; 1660 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1661 1662 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1663 sc->ofdm48_cal[i * 2] = val >> 8; 1664 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1665 1666 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1667 sc->ofdm54_cal[i * 2] = val >> 8; 1668 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1669 } 1670 return 0; 1671 } 1672 1673 Static int 1674 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1675 { 1676 uint32_t tmp; 1677 1678 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1679 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1680 1681 tmp = addr[5] << 8 | addr[4]; 1682 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1683 1684 return 0; 1685 } 1686 1687 Static int 1688 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1689 { 1690 uint32_t tmp; 1691 1692 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1693 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1694 1695 tmp = addr[5] << 8 | addr[4]; 1696 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1697 1698 return 0; 1699 } 1700 1701 Static int 1702 zyd_switch_radio(struct zyd_softc *sc, int on) 1703 { 1704 struct zyd_rf *rf = &sc->sc_rf; 1705 int error; 1706 1707 zyd_lock_phy(sc); 1708 error = (*rf->switch_radio)(rf, on); 1709 zyd_unlock_phy(sc); 1710 1711 return error; 1712 } 1713 1714 Static void 1715 zyd_set_led(struct zyd_softc *sc, int which, int on) 1716 { 1717 uint32_t tmp; 1718 1719 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1720 tmp &= ~which; 1721 if (on) 1722 tmp |= which; 1723 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1724 } 1725 1726 Static int 1727 zyd_set_rxfilter(struct zyd_softc *sc) 1728 { 1729 uint32_t rxfilter; 1730 1731 switch (sc->sc_ic.ic_opmode) { 1732 case IEEE80211_M_STA: 1733 rxfilter = ZYD_FILTER_BSS; 1734 break; 1735 case IEEE80211_M_IBSS: 1736 case IEEE80211_M_HOSTAP: 1737 rxfilter = ZYD_FILTER_HOSTAP; 1738 break; 1739 case IEEE80211_M_MONITOR: 1740 rxfilter = ZYD_FILTER_MONITOR; 1741 break; 1742 default: 1743 /* should not get there */ 1744 return EINVAL; 1745 } 1746 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1747 } 1748 1749 Static void 1750 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1751 { 1752 struct ieee80211com *ic = &sc->sc_ic; 1753 struct zyd_rf *rf = &sc->sc_rf; 1754 u_int chan; 1755 1756 chan = ieee80211_chan2ieee(ic, c); 1757 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1758 return; 1759 1760 zyd_lock_phy(sc); 1761 1762 (*rf->set_channel)(rf, chan); 1763 1764 /* update Tx power */ 1765 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1766 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1767 1768 if (sc->mac_rev == ZYD_ZD1211B) { 1769 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1770 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1771 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1772 1773 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1774 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1775 } 1776 1777 zyd_unlock_phy(sc); 1778 } 1779 1780 Static int 1781 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1782 { 1783 /* XXX this is probably broken.. */ 1784 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1785 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1786 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1787 1788 return 0; 1789 } 1790 1791 Static uint8_t 1792 zyd_plcp_signal(int rate) 1793 { 1794 switch (rate) { 1795 /* CCK rates (returned values are device-dependent) */ 1796 case 2: return 0x0; 1797 case 4: return 0x1; 1798 case 11: return 0x2; 1799 case 22: return 0x3; 1800 1801 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1802 case 12: return 0xb; 1803 case 18: return 0xf; 1804 case 24: return 0xa; 1805 case 36: return 0xe; 1806 case 48: return 0x9; 1807 case 72: return 0xd; 1808 case 96: return 0x8; 1809 case 108: return 0xc; 1810 1811 /* unsupported rates (should not get there) */ 1812 default: return 0xff; 1813 } 1814 } 1815 1816 Static void 1817 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1818 { 1819 struct zyd_softc *sc = (struct zyd_softc *)priv; 1820 struct zyd_cmd *cmd; 1821 uint32_t datalen; 1822 1823 if (status != USBD_NORMAL_COMPLETION) { 1824 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1825 return; 1826 1827 if (status == USBD_STALLED) { 1828 usbd_clear_endpoint_stall_async( 1829 sc->zyd_ep[ZYD_ENDPT_IIN]); 1830 } 1831 return; 1832 } 1833 1834 cmd = (struct zyd_cmd *)sc->ibuf; 1835 1836 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1837 struct zyd_notif_retry *retry = 1838 (struct zyd_notif_retry *)cmd->data; 1839 struct ieee80211com *ic = &sc->sc_ic; 1840 struct ifnet *ifp = &sc->sc_if; 1841 struct ieee80211_node *ni; 1842 1843 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1844 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1845 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1846 1847 /* 1848 * Find the node to which the packet was sent and update its 1849 * retry statistics. In BSS mode, this node is the AP we're 1850 * associated to so no lookup is actually needed. 1851 */ 1852 if (ic->ic_opmode != IEEE80211_M_STA) { 1853 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1854 if (ni == NULL) 1855 return; /* just ignore */ 1856 } else 1857 ni = ic->ic_bss; 1858 1859 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1860 1861 if (le16toh(retry->count) & 0x100) 1862 ifp->if_oerrors++; /* too many retries */ 1863 1864 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1865 struct rq *rqp; 1866 1867 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1868 return; /* HMAC interrupt */ 1869 1870 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1871 datalen -= sizeof(cmd->code); 1872 datalen -= 2; /* XXX: padding? */ 1873 1874 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1875 int i; 1876 1877 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1878 continue; 1879 for (i = 0; i < rqp->len; i++) { 1880 if (*(((const uint16_t *)rqp->idata) + i) != 1881 (((struct zyd_pair *)cmd->data) + i)->reg) 1882 break; 1883 } 1884 if (i != rqp->len) 1885 continue; 1886 1887 /* copy answer into caller-supplied buffer */ 1888 bcopy(cmd->data, rqp->odata, 1889 sizeof(struct zyd_pair) * rqp->len); 1890 wakeup(rqp->odata); /* wakeup caller */ 1891 1892 return; 1893 } 1894 return; /* unexpected IORD notification */ 1895 } else { 1896 printf("%s: unknown notification %x\n", USBDEVNAME(sc->sc_dev), 1897 le16toh(cmd->code)); 1898 } 1899 } 1900 1901 Static void 1902 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1903 { 1904 struct ieee80211com *ic = &sc->sc_ic; 1905 struct ifnet *ifp = &sc->sc_if; 1906 struct ieee80211_node *ni; 1907 struct ieee80211_frame *wh; 1908 const struct zyd_plcphdr *plcp; 1909 const struct zyd_rx_stat *stat; 1910 struct mbuf *m; 1911 int rlen, s; 1912 1913 if (len < ZYD_MIN_FRAGSZ) { 1914 printf("%s: frame too short (length=%d)\n", 1915 USBDEVNAME(sc->sc_dev), len); 1916 ifp->if_ierrors++; 1917 return; 1918 } 1919 1920 plcp = (const struct zyd_plcphdr *)buf; 1921 stat = (const struct zyd_rx_stat *) 1922 (buf + len - sizeof (struct zyd_rx_stat)); 1923 1924 if (stat->flags & ZYD_RX_ERROR) { 1925 DPRINTF(("%s: RX status indicated error (%x)\n", 1926 USBDEVNAME(sc->sc_dev), stat->flags)); 1927 ifp->if_ierrors++; 1928 return; 1929 } 1930 1931 /* compute actual frame length */ 1932 rlen = len - sizeof (struct zyd_plcphdr) - 1933 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1934 1935 /* allocate a mbuf to store the frame */ 1936 MGETHDR(m, M_DONTWAIT, MT_DATA); 1937 if (m == NULL) { 1938 printf("%s: could not allocate rx mbuf\n", 1939 USBDEVNAME(sc->sc_dev)); 1940 ifp->if_ierrors++; 1941 return; 1942 } 1943 if (rlen > MHLEN) { 1944 MCLGET(m, M_DONTWAIT); 1945 if (!(m->m_flags & M_EXT)) { 1946 printf("%s: could not allocate rx mbuf cluster\n", 1947 USBDEVNAME(sc->sc_dev)); 1948 m_freem(m); 1949 ifp->if_ierrors++; 1950 return; 1951 } 1952 } 1953 m->m_pkthdr.rcvif = ifp; 1954 m->m_pkthdr.len = m->m_len = rlen; 1955 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1956 1957 s = splnet(); 1958 1959 #if NBPFILTER > 0 1960 if (sc->sc_drvbpf != NULL) { 1961 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1962 static const uint8_t rates[] = { 1963 /* reverse function of zyd_plcp_signal() */ 1964 2, 4, 11, 22, 0, 0, 0, 0, 1965 96, 48, 24, 12, 108, 72, 36, 18 1966 }; 1967 1968 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1969 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1970 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1971 tap->wr_rssi = stat->rssi; 1972 tap->wr_rate = rates[plcp->signal & 0xf]; 1973 1974 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1975 } 1976 #endif 1977 1978 wh = mtod(m, struct ieee80211_frame *); 1979 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1980 ieee80211_input(ic, m, ni, stat->rssi, 0); 1981 1982 /* node is no longer needed */ 1983 ieee80211_free_node(ni); 1984 1985 splx(s); 1986 } 1987 1988 Static void 1989 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1990 { 1991 struct zyd_rx_data *data = priv; 1992 struct zyd_softc *sc = data->sc; 1993 struct ifnet *ifp = &sc->sc_if; 1994 const struct zyd_rx_desc *desc; 1995 int len; 1996 1997 if (status != USBD_NORMAL_COMPLETION) { 1998 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1999 return; 2000 2001 if (status == USBD_STALLED) 2002 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2003 2004 goto skip; 2005 } 2006 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2007 2008 if (len < ZYD_MIN_RXBUFSZ) { 2009 printf("%s: xfer too short (length=%d)\n", 2010 USBDEVNAME(sc->sc_dev), len); 2011 ifp->if_ierrors++; 2012 goto skip; 2013 } 2014 2015 desc = (const struct zyd_rx_desc *) 2016 (data->buf + len - sizeof (struct zyd_rx_desc)); 2017 2018 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2019 const uint8_t *p = data->buf, *end = p + len; 2020 int i; 2021 2022 DPRINTFN(3, ("received multi-frame transfer\n")); 2023 2024 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2025 const uint16_t len16 = UGETW(desc->len[i]); 2026 2027 if (len16 == 0 || p + len16 > end) 2028 break; 2029 2030 zyd_rx_data(sc, p, len16); 2031 /* next frame is aligned on a 32-bit boundary */ 2032 p += (len16 + 3) & ~3; 2033 } 2034 } else { 2035 DPRINTFN(3, ("received single-frame transfer\n")); 2036 2037 zyd_rx_data(sc, data->buf, len); 2038 } 2039 2040 skip: /* setup a new transfer */ 2041 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2042 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2043 USBD_NO_TIMEOUT, zyd_rxeof); 2044 (void)usbd_transfer(xfer); 2045 } 2046 2047 Static int 2048 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2049 { 2050 struct ieee80211com *ic = &sc->sc_ic; 2051 struct ifnet *ifp = &sc->sc_if; 2052 struct zyd_tx_desc *desc; 2053 struct zyd_tx_data *data; 2054 struct ieee80211_frame *wh; 2055 int xferlen, totlen, rate; 2056 uint16_t pktlen; 2057 usbd_status error; 2058 2059 data = &sc->tx_data[0]; 2060 desc = (struct zyd_tx_desc *)data->buf; 2061 2062 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2063 2064 data->ni = ni; 2065 2066 wh = mtod(m0, struct ieee80211_frame *); 2067 2068 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2069 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2070 2071 /* fill Tx descriptor */ 2072 desc->len = htole16(totlen); 2073 2074 desc->flags = ZYD_TX_FLAG_BACKOFF; 2075 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2076 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2077 if (totlen > ic->ic_rtsthreshold) { 2078 desc->flags |= ZYD_TX_FLAG_RTS; 2079 } else if (ZYD_RATE_IS_OFDM(rate) && 2080 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2081 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2082 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2083 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2084 desc->flags |= ZYD_TX_FLAG_RTS; 2085 } 2086 } else 2087 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2088 2089 if ((wh->i_fc[0] & 2090 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2091 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2092 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2093 2094 desc->phy = zyd_plcp_signal(rate); 2095 if (ZYD_RATE_IS_OFDM(rate)) { 2096 desc->phy |= ZYD_TX_PHY_OFDM; 2097 if (ic->ic_curmode == IEEE80211_MODE_11A) 2098 desc->phy |= ZYD_TX_PHY_5GHZ; 2099 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2100 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2101 2102 /* actual transmit length (XXX why +10?) */ 2103 pktlen = sizeof (struct zyd_tx_desc) + 10; 2104 if (sc->mac_rev == ZYD_ZD1211) 2105 pktlen += totlen; 2106 desc->pktlen = htole16(pktlen); 2107 2108 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2109 desc->plcp_service = 0; 2110 if (rate == 22) { 2111 const int remainder = (16 * totlen) % 22; 2112 if (remainder != 0 && remainder < 7) 2113 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2114 } 2115 2116 #if NBPFILTER > 0 2117 if (sc->sc_drvbpf != NULL) { 2118 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2119 2120 tap->wt_flags = 0; 2121 tap->wt_rate = rate; 2122 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2123 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2124 2125 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2126 } 2127 #endif 2128 2129 m_copydata(m0, 0, m0->m_pkthdr.len, 2130 data->buf + sizeof (struct zyd_tx_desc)); 2131 2132 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2133 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2134 2135 m_freem(m0); /* mbuf no longer needed */ 2136 2137 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2138 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2139 ZYD_TX_TIMEOUT, zyd_txeof); 2140 error = usbd_transfer(data->xfer); 2141 if (error != USBD_IN_PROGRESS && error != 0) { 2142 ifp->if_oerrors++; 2143 return EIO; 2144 } 2145 sc->tx_queued++; 2146 2147 return 0; 2148 } 2149 2150 Static void 2151 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2152 { 2153 struct zyd_tx_data *data = priv; 2154 struct zyd_softc *sc = data->sc; 2155 struct ifnet *ifp = &sc->sc_if; 2156 int s; 2157 2158 if (status != USBD_NORMAL_COMPLETION) { 2159 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2160 return; 2161 2162 printf("%s: could not transmit buffer: %s\n", 2163 USBDEVNAME(sc->sc_dev), usbd_errstr(status)); 2164 2165 if (status == USBD_STALLED) { 2166 usbd_clear_endpoint_stall_async( 2167 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2168 } 2169 ifp->if_oerrors++; 2170 return; 2171 } 2172 2173 s = splnet(); 2174 2175 /* update rate control statistics */ 2176 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2177 2178 ieee80211_free_node(data->ni); 2179 data->ni = NULL; 2180 2181 sc->tx_queued--; 2182 ifp->if_opackets++; 2183 2184 sc->tx_timer = 0; 2185 ifp->if_flags &= ~IFF_OACTIVE; 2186 zyd_start(ifp); 2187 2188 splx(s); 2189 } 2190 2191 Static int 2192 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2193 { 2194 struct ieee80211com *ic = &sc->sc_ic; 2195 struct ifnet *ifp = &sc->sc_if; 2196 struct zyd_tx_desc *desc; 2197 struct zyd_tx_data *data; 2198 struct ieee80211_frame *wh; 2199 struct ieee80211_key *k; 2200 int xferlen, totlen, rate; 2201 uint16_t pktlen; 2202 usbd_status error; 2203 2204 wh = mtod(m0, struct ieee80211_frame *); 2205 2206 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2207 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2208 else 2209 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2210 rate &= IEEE80211_RATE_VAL; 2211 2212 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2213 k = ieee80211_crypto_encap(ic, ni, m0); 2214 if (k == NULL) { 2215 m_freem(m0); 2216 return ENOBUFS; 2217 } 2218 2219 /* packet header may have moved, reset our local pointer */ 2220 wh = mtod(m0, struct ieee80211_frame *); 2221 } 2222 2223 data = &sc->tx_data[0]; 2224 desc = (struct zyd_tx_desc *)data->buf; 2225 2226 data->ni = ni; 2227 2228 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2229 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2230 2231 /* fill Tx descriptor */ 2232 desc->len = htole16(totlen); 2233 2234 desc->flags = ZYD_TX_FLAG_BACKOFF; 2235 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2236 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2237 if (totlen > ic->ic_rtsthreshold) { 2238 desc->flags |= ZYD_TX_FLAG_RTS; 2239 } else if (ZYD_RATE_IS_OFDM(rate) && 2240 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2241 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2242 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2243 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2244 desc->flags |= ZYD_TX_FLAG_RTS; 2245 } 2246 } else 2247 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2248 2249 if ((wh->i_fc[0] & 2250 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2251 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2252 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2253 2254 desc->phy = zyd_plcp_signal(rate); 2255 if (ZYD_RATE_IS_OFDM(rate)) { 2256 desc->phy |= ZYD_TX_PHY_OFDM; 2257 if (ic->ic_curmode == IEEE80211_MODE_11A) 2258 desc->phy |= ZYD_TX_PHY_5GHZ; 2259 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2260 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2261 2262 /* actual transmit length (XXX why +10?) */ 2263 pktlen = sizeof (struct zyd_tx_desc) + 10; 2264 if (sc->mac_rev == ZYD_ZD1211) 2265 pktlen += totlen; 2266 desc->pktlen = htole16(pktlen); 2267 2268 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2269 desc->plcp_service = 0; 2270 if (rate == 22) { 2271 const int remainder = (16 * totlen) % 22; 2272 if (remainder != 0 && remainder < 7) 2273 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2274 } 2275 2276 #if NBPFILTER > 0 2277 if (sc->sc_drvbpf != NULL) { 2278 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2279 2280 tap->wt_flags = 0; 2281 tap->wt_rate = rate; 2282 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2283 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2284 2285 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2286 } 2287 #endif 2288 2289 m_copydata(m0, 0, m0->m_pkthdr.len, 2290 data->buf + sizeof (struct zyd_tx_desc)); 2291 2292 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2293 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2294 2295 m_freem(m0); /* mbuf no longer needed */ 2296 2297 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2298 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2299 ZYD_TX_TIMEOUT, zyd_txeof); 2300 error = usbd_transfer(data->xfer); 2301 if (error != USBD_IN_PROGRESS && error != 0) { 2302 ifp->if_oerrors++; 2303 return EIO; 2304 } 2305 sc->tx_queued++; 2306 2307 return 0; 2308 } 2309 2310 Static void 2311 zyd_start(struct ifnet *ifp) 2312 { 2313 struct zyd_softc *sc = ifp->if_softc; 2314 struct ieee80211com *ic = &sc->sc_ic; 2315 struct ether_header *eh; 2316 struct ieee80211_node *ni; 2317 struct mbuf *m0; 2318 2319 for (;;) { 2320 IF_POLL(&ic->ic_mgtq, m0); 2321 if (m0 != NULL) { 2322 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2323 ifp->if_flags |= IFF_OACTIVE; 2324 break; 2325 } 2326 IF_DEQUEUE(&ic->ic_mgtq, m0); 2327 2328 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2329 m0->m_pkthdr.rcvif = NULL; 2330 #if NBPFILTER > 0 2331 if (ic->ic_rawbpf != NULL) 2332 bpf_mtap(ic->ic_rawbpf, m0); 2333 #endif 2334 if (zyd_tx_mgt(sc, m0, ni) != 0) 2335 break; 2336 } else { 2337 if (ic->ic_state != IEEE80211_S_RUN) 2338 break; 2339 IFQ_POLL(&ifp->if_snd, m0); 2340 if (m0 == NULL) 2341 break; 2342 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2343 ifp->if_flags |= IFF_OACTIVE; 2344 break; 2345 } 2346 IFQ_DEQUEUE(&ifp->if_snd, m0); 2347 2348 if (m0->m_len < sizeof(struct ether_header) && 2349 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2350 continue; 2351 2352 eh = mtod(m0, struct ether_header *); 2353 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2354 if (ni == NULL) { 2355 m_freem(m0); 2356 continue; 2357 } 2358 #if NBPFILTER > 0 2359 if (ifp->if_bpf != NULL) 2360 bpf_mtap(ifp->if_bpf, m0); 2361 #endif 2362 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2363 ieee80211_free_node(ni); 2364 ifp->if_oerrors++; 2365 continue; 2366 } 2367 #if NBPFILTER > 0 2368 if (ic->ic_rawbpf != NULL) 2369 bpf_mtap(ic->ic_rawbpf, m0); 2370 #endif 2371 if (zyd_tx_data(sc, m0, ni) != 0) { 2372 ieee80211_free_node(ni); 2373 ifp->if_oerrors++; 2374 break; 2375 } 2376 } 2377 2378 sc->tx_timer = 5; 2379 ifp->if_timer = 1; 2380 } 2381 } 2382 2383 Static void 2384 zyd_watchdog(struct ifnet *ifp) 2385 { 2386 struct zyd_softc *sc = ifp->if_softc; 2387 struct ieee80211com *ic = &sc->sc_ic; 2388 2389 ifp->if_timer = 0; 2390 2391 if (sc->tx_timer > 0) { 2392 if (--sc->tx_timer == 0) { 2393 printf("%s: device timeout\n", USBDEVNAME(sc->sc_dev)); 2394 /* zyd_init(ifp); XXX needs a process context ? */ 2395 ifp->if_oerrors++; 2396 return; 2397 } 2398 ifp->if_timer = 1; 2399 } 2400 2401 ieee80211_watchdog(ic); 2402 } 2403 2404 Static int 2405 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2406 { 2407 struct zyd_softc *sc = ifp->if_softc; 2408 struct ieee80211com *ic = &sc->sc_ic; 2409 int s, error = 0; 2410 2411 s = splnet(); 2412 2413 switch (cmd) { 2414 case SIOCSIFFLAGS: 2415 if (ifp->if_flags & IFF_UP) { 2416 if (!(ifp->if_flags & IFF_RUNNING)) 2417 zyd_init(ifp); 2418 } else { 2419 if (ifp->if_flags & IFF_RUNNING) 2420 zyd_stop(ifp, 1); 2421 } 2422 break; 2423 2424 default: 2425 if (!sc->attached) 2426 error = ENOTTY; 2427 else 2428 error = ieee80211_ioctl(ic, cmd, data); 2429 } 2430 2431 if (error == ENETRESET) { 2432 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2433 (IFF_RUNNING | IFF_UP)) 2434 zyd_init(ifp); 2435 error = 0; 2436 } 2437 2438 splx(s); 2439 2440 return error; 2441 } 2442 2443 Static int 2444 zyd_init(struct ifnet *ifp) 2445 { 2446 struct zyd_softc *sc = ifp->if_softc; 2447 struct ieee80211com *ic = &sc->sc_ic; 2448 int i, error; 2449 2450 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2451 if ((error = zyd_attachhook(sc)) != 0) 2452 return error; 2453 2454 zyd_stop(ifp, 0); 2455 2456 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 2457 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2458 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2459 if (error != 0) 2460 return error; 2461 2462 /* we'll do software WEP decryption for now */ 2463 DPRINTF(("setting encryption type\n")); 2464 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2465 if (error != 0) 2466 return error; 2467 2468 /* promiscuous mode */ 2469 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2470 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2471 2472 (void)zyd_set_rxfilter(sc); 2473 2474 /* switch radio transmitter ON */ 2475 (void)zyd_switch_radio(sc, 1); 2476 2477 /* set basic rates */ 2478 if (ic->ic_curmode == IEEE80211_MODE_11B) 2479 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2480 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2481 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2482 else /* assumes 802.11b/g */ 2483 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2484 2485 /* set mandatory rates */ 2486 if (ic->ic_curmode == IEEE80211_MODE_11B) 2487 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2488 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2489 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2490 else /* assumes 802.11b/g */ 2491 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2492 2493 /* set default BSS channel */ 2494 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2495 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2496 2497 /* enable interrupts */ 2498 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2499 2500 /* 2501 * Allocate Tx and Rx xfer queues. 2502 */ 2503 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2504 printf("%s: could not allocate Tx list\n", 2505 USBDEVNAME(sc->sc_dev)); 2506 goto fail; 2507 } 2508 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2509 printf("%s: could not allocate Rx list\n", 2510 USBDEVNAME(sc->sc_dev)); 2511 goto fail; 2512 } 2513 2514 /* 2515 * Start up the receive pipe. 2516 */ 2517 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2518 struct zyd_rx_data *data = &sc->rx_data[i]; 2519 2520 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2521 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2522 USBD_NO_TIMEOUT, zyd_rxeof); 2523 error = usbd_transfer(data->xfer); 2524 if (error != USBD_IN_PROGRESS && error != 0) { 2525 printf("%s: could not queue Rx transfer\n", 2526 USBDEVNAME(sc->sc_dev)); 2527 goto fail; 2528 } 2529 } 2530 2531 ifp->if_flags &= ~IFF_OACTIVE; 2532 ifp->if_flags |= IFF_RUNNING; 2533 2534 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2535 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2536 else 2537 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2538 2539 return 0; 2540 2541 fail: zyd_stop(ifp, 1); 2542 return error; 2543 } 2544 2545 Static void 2546 zyd_stop(struct ifnet *ifp, int disable) 2547 { 2548 struct zyd_softc *sc = ifp->if_softc; 2549 struct ieee80211com *ic = &sc->sc_ic; 2550 2551 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2552 2553 sc->tx_timer = 0; 2554 ifp->if_timer = 0; 2555 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2556 2557 /* switch radio transmitter OFF */ 2558 (void)zyd_switch_radio(sc, 0); 2559 2560 /* disable Rx */ 2561 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2562 2563 /* disable interrupts */ 2564 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2565 2566 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2567 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2568 2569 zyd_free_rx_list(sc); 2570 zyd_free_tx_list(sc); 2571 } 2572 2573 Static int 2574 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2575 { 2576 usb_device_request_t req; 2577 uint16_t addr; 2578 uint8_t stat; 2579 2580 DPRINTF(("firmware size=%zu\n", size)); 2581 2582 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2583 req.bRequest = ZYD_DOWNLOADREQ; 2584 USETW(req.wIndex, 0); 2585 2586 addr = ZYD_FIRMWARE_START_ADDR; 2587 while (size > 0) { 2588 #if 0 2589 const int mlen = min(size, 4096); 2590 #else 2591 /* 2592 * XXXX: When the transfer size is 4096 bytes, it is not 2593 * likely to be able to transfer it. 2594 * The cause is port or machine or chip? 2595 */ 2596 const int mlen = min(size, 64); 2597 #endif 2598 2599 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2600 addr)); 2601 2602 USETW(req.wValue, addr); 2603 USETW(req.wLength, mlen); 2604 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2605 return EIO; 2606 2607 addr += mlen / 2; 2608 fw += mlen; 2609 size -= mlen; 2610 } 2611 2612 /* check whether the upload succeeded */ 2613 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2614 req.bRequest = ZYD_DOWNLOADSTS; 2615 USETW(req.wValue, 0); 2616 USETW(req.wIndex, 0); 2617 USETW(req.wLength, sizeof stat); 2618 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2619 return EIO; 2620 2621 return (stat & 0x80) ? EIO : 0; 2622 } 2623 2624 Static void 2625 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2626 { 2627 struct zyd_softc *sc = arg; 2628 struct zyd_node *zn = (struct zyd_node *)ni; 2629 2630 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2631 } 2632 2633 Static void 2634 zyd_amrr_timeout(void *arg) 2635 { 2636 struct zyd_softc *sc = arg; 2637 struct ieee80211com *ic = &sc->sc_ic; 2638 int s; 2639 2640 s = splnet(); 2641 if (ic->ic_opmode == IEEE80211_M_STA) 2642 zyd_iter_func(sc, ic->ic_bss); 2643 else 2644 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2645 splx(s); 2646 2647 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2648 } 2649 2650 Static void 2651 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2652 { 2653 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2654 int i; 2655 2656 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2657 2658 /* set rate to some reasonable initial value */ 2659 for (i = ni->ni_rates.rs_nrates - 1; 2660 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2661 i--); 2662 ni->ni_txrate = i; 2663 } 2664 2665 int 2666 zyd_activate(device_ptr_t self, enum devact act) 2667 { 2668 struct zyd_softc *sc = (struct zyd_softc *)self; 2669 2670 switch (act) { 2671 case DVACT_ACTIVATE: 2672 break; 2673 2674 case DVACT_DEACTIVATE: 2675 if_deactivate(&sc->sc_if); 2676 break; 2677 } 2678 return 0; 2679 } 2680
Indexes created Mon Oct 13 08:09:50 GMT 2025