if_zyd.c revision 1.3
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.3 2007/06/16 11:02:19 kiyohara 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 1.3 2007/06/16 11:02:19 kiyohara 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 }; 149 #define zyd_lookup(v, p) \ 150 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 151 152 USB_DECLARE_DRIVER(zyd); 153 154 Static int zyd_attachhook(void *); 155 Static int zyd_complete_attach(struct zyd_softc *); 156 Static int zyd_open_pipes(struct zyd_softc *); 157 Static void zyd_close_pipes(struct zyd_softc *); 158 Static int zyd_alloc_tx_list(struct zyd_softc *); 159 Static void zyd_free_tx_list(struct zyd_softc *); 160 Static int zyd_alloc_rx_list(struct zyd_softc *); 161 Static void zyd_free_rx_list(struct zyd_softc *); 162 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 163 Static int zyd_media_change(struct ifnet *); 164 Static void zyd_next_scan(void *); 165 Static void zyd_task(void *); 166 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 167 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 168 void *, int, u_int); 169 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 170 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 171 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 172 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 173 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 174 Static void zyd_lock_phy(struct zyd_softc *); 175 Static void zyd_unlock_phy(struct zyd_softc *); 176 Static int zyd_rfmd_init(struct zyd_rf *); 177 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 178 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 179 Static int zyd_al2230_init(struct zyd_rf *); 180 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 181 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 182 Static int zyd_al2230_init_b(struct zyd_rf *); 183 Static int zyd_al7230B_init(struct zyd_rf *); 184 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 185 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 186 Static int zyd_al2210_init(struct zyd_rf *); 187 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 188 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 189 Static int zyd_gct_init(struct zyd_rf *); 190 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 191 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 192 Static int zyd_maxim_init(struct zyd_rf *); 193 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 194 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 195 Static int zyd_maxim2_init(struct zyd_rf *); 196 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 197 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 198 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 199 Static const char *zyd_rf_name(uint8_t); 200 Static int zyd_hw_init(struct zyd_softc *); 201 Static int zyd_read_eeprom(struct zyd_softc *); 202 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 203 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 204 Static int zyd_switch_radio(struct zyd_softc *, int); 205 Static void zyd_set_led(struct zyd_softc *, int, int); 206 Static int zyd_set_rxfilter(struct zyd_softc *); 207 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 208 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 209 Static uint8_t zyd_plcp_signal(int); 210 Static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 211 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 212 Static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 213 Static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 214 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 215 struct ieee80211_node *); 216 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 217 struct ieee80211_node *); 218 Static void zyd_start(struct ifnet *); 219 Static void zyd_watchdog(struct ifnet *); 220 Static int zyd_ioctl(struct ifnet *, u_long, void *); 221 Static int zyd_init(struct ifnet *); 222 Static void zyd_stop(struct ifnet *, int); 223 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 224 Static void zyd_iter_func(void *, struct ieee80211_node *); 225 Static void zyd_amrr_timeout(void *); 226 Static void zyd_newassoc(struct ieee80211_node *, int); 227 228 static const struct ieee80211_rateset zyd_rateset_11b = 229 { 4, { 2, 4, 11, 22 } }; 230 231 static const struct ieee80211_rateset zyd_rateset_11g = 232 { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 233 234 USB_MATCH(zyd) 235 { 236 USB_MATCH_START(zyd, uaa); 237 238 return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ? 239 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 240 } 241 242 Static int 243 zyd_attachhook(void *xsc) 244 { 245 struct zyd_softc *sc = xsc; 246 firmware_handle_t fwh; 247 const char *fwname; 248 u_char *fw; 249 size_t size; 250 int error; 251 252 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 253 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 254 printf("%s: failed to open firmware %s (error=%d)\n", 255 USBDEVNAME(sc->sc_dev), fwname, error); 256 return error; 257 } 258 size = firmware_get_size(fwh); 259 fw = firmware_malloc(size); 260 if (fw == NULL) { 261 printf("%s: failed to allocate firmware memory\n", 262 USBDEVNAME(sc->sc_dev)); 263 firmware_close(fwh); 264 return ENOMEM;; 265 } 266 error = firmware_read(fwh, 0, fw, size); 267 firmware_close(fwh); 268 if (error != 0) { 269 printf("%s: failed to read firmware (error %d)\n", 270 USBDEVNAME(sc->sc_dev), error); 271 firmware_free(fw, 0); 272 return error; 273 } 274 275 error = zyd_loadfirmware(sc, fw, size); 276 if (error != 0) { 277 printf("%s: could not load firmware (error=%d)\n", 278 USBDEVNAME(sc->sc_dev), error); 279 firmware_free(fw, 0); 280 return ENXIO; 281 } 282 283 firmware_free(fw, 0); 284 sc->sc_flags |= ZD1211_FWLOADED; 285 286 /* complete the attach process */ 287 if ((error = zyd_complete_attach(sc)) == 0) 288 sc->attached = 1; 289 return error; 290 } 291 292 USB_ATTACH(zyd) 293 { 294 USB_ATTACH_START(zyd, sc, uaa); 295 char *devinfop; 296 usb_device_descriptor_t* ddesc; 297 struct ifnet *ifp = &sc->sc_if; 298 299 sc->sc_udev = uaa->device; 300 sc->sc_flags = 0; 301 302 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 303 USB_ATTACH_SETUP; 304 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 305 usbd_devinfo_free(devinfop); 306 307 sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev; 308 309 ddesc = usbd_get_device_descriptor(sc->sc_udev); 310 if (UGETW(ddesc->bcdDevice) < 0x4330) { 311 printf("%s: device version mismatch: 0x%x " 312 "(only >= 43.30 supported)\n", USBDEVNAME(sc->sc_dev), 313 UGETW(ddesc->bcdDevice)); 314 USB_ATTACH_ERROR_RETURN; 315 } 316 317 ifp->if_softc = sc; 318 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 319 ifp->if_init = zyd_init; 320 ifp->if_ioctl = zyd_ioctl; 321 ifp->if_start = zyd_start; 322 ifp->if_watchdog = zyd_watchdog; 323 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 324 IFQ_SET_READY(&ifp->if_snd); 325 memcpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); 326 327 if_attach(ifp); 328 /* XXXX: alloc temporarily until the layer2 can be configured. */ 329 if_alloc_sadl(ifp); 330 331 USB_ATTACH_SUCCESS_RETURN; 332 } 333 334 Static int 335 zyd_complete_attach(struct zyd_softc *sc) 336 { 337 struct ieee80211com *ic = &sc->sc_ic; 338 struct ifnet *ifp = &sc->sc_if; 339 usbd_status error; 340 int i; 341 342 usb_init_task(&sc->sc_task, zyd_task, sc); 343 usb_callout_init(sc->sc_scan_ch); 344 345 sc->amrr.amrr_min_success_threshold = 1; 346 sc->amrr.amrr_max_success_threshold = 10; 347 usb_callout_init(sc->sc_amrr_ch); 348 349 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 350 if (error != 0) { 351 printf("%s: setting config no failed\n", 352 USBDEVNAME(sc->sc_dev)); 353 goto fail; 354 } 355 356 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 357 &sc->sc_iface); 358 if (error != 0) { 359 printf("%s: getting interface handle failed\n", 360 USBDEVNAME(sc->sc_dev)); 361 goto fail; 362 } 363 364 if ((error = zyd_open_pipes(sc)) != 0) { 365 printf("%s: could not open pipes\n", USBDEVNAME(sc->sc_dev)); 366 goto fail; 367 } 368 369 if ((error = zyd_read_eeprom(sc)) != 0) { 370 printf("%s: could not read EEPROM\n", USBDEVNAME(sc->sc_dev)); 371 goto fail; 372 } 373 374 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 375 printf("%s: could not attach RF\n", USBDEVNAME(sc->sc_dev)); 376 goto fail; 377 } 378 379 if ((error = zyd_hw_init(sc)) != 0) { 380 printf("%s: hardware initialization failed\n", 381 USBDEVNAME(sc->sc_dev)); 382 goto fail; 383 } 384 385 printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 386 USBDEVNAME(sc->sc_dev), (sc->mac_rev == ZYD_ZD1211) ? "": "B", 387 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 388 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 389 390 ic->ic_ifp = ifp; 391 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 392 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 393 ic->ic_state = IEEE80211_S_INIT; 394 395 /* set device capabilities */ 396 ic->ic_caps = 397 IEEE80211_C_MONITOR | /* monitor mode supported */ 398 IEEE80211_C_TXPMGT | /* tx power management */ 399 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 400 IEEE80211_C_WEP; /* s/w WEP */ 401 402 /* set supported .11b and .11g rates */ 403 ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; 404 ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; 405 406 /* set supported .11b and .11g channels (1 through 14) */ 407 for (i = 1; i <= 14; i++) { 408 ic->ic_channels[i].ic_freq = 409 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 410 ic->ic_channels[i].ic_flags = 411 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 412 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 413 } 414 415 if_free_sadl(ifp); 416 ieee80211_ifattach(ic); 417 ic->ic_node_alloc = zyd_node_alloc; 418 ic->ic_newassoc = zyd_newassoc; 419 420 /* override state transition machine */ 421 sc->sc_newstate = ic->ic_newstate; 422 ic->ic_newstate = zyd_newstate; 423 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 424 425 #if NBPFILTER > 0 426 bpfattach2(ifp, DLT_IEEE802_11_RADIO, 427 sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 428 &sc->sc_drvbpf); 429 430 sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 431 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 432 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 433 434 sc->sc_txtap_len = sizeof sc->sc_txtapu; 435 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 436 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 437 #endif 438 439 ieee80211_announce(ic); 440 441 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 442 USBDEV(sc->sc_dev)); 443 444 fail: return error; 445 } 446 447 USB_DETACH(zyd) 448 { 449 USB_DETACH_START(zyd, sc); 450 struct ieee80211com *ic = &sc->sc_ic; 451 struct ifnet *ifp = &sc->sc_if; 452 int s; 453 454 if (!sc->attached) { 455 if_free_sadl(ifp); 456 if_detach(ifp); 457 return 0; 458 } 459 460 s = splusb(); 461 462 zyd_stop(ifp, 1); 463 usb_rem_task(sc->sc_udev, &sc->sc_task); 464 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 465 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 466 467 zyd_close_pipes(sc); 468 469 zyd_free_rx_list(sc); 470 zyd_free_tx_list(sc); 471 472 sc->attached = 0; 473 474 #if NBPFILTER > 0 475 bpfdetach(ifp); 476 #endif 477 ieee80211_ifdetach(ic); 478 if_detach(ifp); 479 480 splx(s); 481 482 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 483 USBDEV(sc->sc_dev)); 484 485 return 0; 486 } 487 488 Static int 489 zyd_open_pipes(struct zyd_softc *sc) 490 { 491 usb_endpoint_descriptor_t *edesc; 492 int isize; 493 usbd_status error; 494 495 /* interrupt in */ 496 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 497 if (edesc == NULL) 498 return EINVAL; 499 500 isize = UGETW(edesc->wMaxPacketSize); 501 if (isize == 0) /* should not happen */ 502 return EINVAL; 503 504 sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT); 505 if (sc->ibuf == NULL) 506 return ENOMEM; 507 508 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 509 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr, 510 USBD_DEFAULT_INTERVAL); 511 if (error != 0) { 512 printf("%s: open rx intr pipe failed: %s\n", 513 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 514 goto fail; 515 } 516 517 /* interrupt out (not necessarily an interrupt pipe) */ 518 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 519 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 520 if (error != 0) { 521 printf("%s: open tx intr pipe failed: %s\n", 522 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 523 goto fail; 524 } 525 526 /* bulk in */ 527 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 528 &sc->zyd_ep[ZYD_ENDPT_BIN]); 529 if (error != 0) { 530 printf("%s: open rx pipe failed: %s\n", 531 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 532 goto fail; 533 } 534 535 /* bulk out */ 536 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 537 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 538 if (error != 0) { 539 printf("%s: open tx pipe failed: %s\n", 540 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 541 goto fail; 542 } 543 544 return 0; 545 546 fail: zyd_close_pipes(sc); 547 return error; 548 } 549 550 Static void 551 zyd_close_pipes(struct zyd_softc *sc) 552 { 553 int i; 554 555 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 556 if (sc->zyd_ep[i] != NULL) { 557 usbd_abort_pipe(sc->zyd_ep[i]); 558 usbd_close_pipe(sc->zyd_ep[i]); 559 sc->zyd_ep[i] = NULL; 560 } 561 } 562 if (sc->ibuf != NULL) { 563 free(sc->ibuf, M_USBDEV); 564 sc->ibuf = NULL; 565 } 566 } 567 568 Static int 569 zyd_alloc_tx_list(struct zyd_softc *sc) 570 { 571 int i, error; 572 573 sc->tx_queued = 0; 574 575 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 576 struct zyd_tx_data *data = &sc->tx_data[i]; 577 578 data->sc = sc; /* backpointer for callbacks */ 579 580 data->xfer = usbd_alloc_xfer(sc->sc_udev); 581 if (data->xfer == NULL) { 582 printf("%s: could not allocate tx xfer\n", 583 USBDEVNAME(sc->sc_dev)); 584 error = ENOMEM; 585 goto fail; 586 } 587 data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ); 588 if (data->buf == NULL) { 589 printf("%s: could not allocate tx buffer\n", 590 USBDEVNAME(sc->sc_dev)); 591 error = ENOMEM; 592 goto fail; 593 } 594 595 /* clear Tx descriptor */ 596 bzero(data->buf, sizeof (struct zyd_tx_desc)); 597 } 598 return 0; 599 600 fail: zyd_free_tx_list(sc); 601 return error; 602 } 603 604 Static void 605 zyd_free_tx_list(struct zyd_softc *sc) 606 { 607 int i; 608 609 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 610 struct zyd_tx_data *data = &sc->tx_data[i]; 611 612 if (data->xfer != NULL) { 613 usbd_free_xfer(data->xfer); 614 data->xfer = NULL; 615 } 616 if (data->ni != NULL) { 617 ieee80211_free_node(data->ni); 618 data->ni = NULL; 619 } 620 } 621 } 622 623 Static int 624 zyd_alloc_rx_list(struct zyd_softc *sc) 625 { 626 int i, error; 627 628 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 629 struct zyd_rx_data *data = &sc->rx_data[i]; 630 631 data->sc = sc; /* backpointer for callbacks */ 632 633 data->xfer = usbd_alloc_xfer(sc->sc_udev); 634 if (data->xfer == NULL) { 635 printf("%s: could not allocate rx xfer\n", 636 USBDEVNAME(sc->sc_dev)); 637 error = ENOMEM; 638 goto fail; 639 } 640 data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ); 641 if (data->buf == NULL) { 642 printf("%s: could not allocate rx buffer\n", 643 USBDEVNAME(sc->sc_dev)); 644 error = ENOMEM; 645 goto fail; 646 } 647 } 648 return 0; 649 650 fail: zyd_free_rx_list(sc); 651 return error; 652 } 653 654 Static void 655 zyd_free_rx_list(struct zyd_softc *sc) 656 { 657 int i; 658 659 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 660 struct zyd_rx_data *data = &sc->rx_data[i]; 661 662 if (data->xfer != NULL) { 663 usbd_free_xfer(data->xfer); 664 data->xfer = NULL; 665 } 666 } 667 } 668 669 /* ARGUSED */ 670 Static struct ieee80211_node * 671 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 672 { 673 struct zyd_node *zn; 674 675 zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT); 676 if (zn != NULL) 677 bzero(zn, sizeof (struct zyd_node)); 678 return (struct ieee80211_node *)zn; 679 } 680 681 Static int 682 zyd_media_change(struct ifnet *ifp) 683 { 684 int error; 685 686 error = ieee80211_media_change(ifp); 687 if (error != ENETRESET) 688 return error; 689 690 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 691 zyd_init(ifp); 692 693 return 0; 694 } 695 696 /* 697 * This function is called periodically (every 200ms) during scanning to 698 * switch from one channel to another. 699 */ 700 Static void 701 zyd_next_scan(void *arg) 702 { 703 struct zyd_softc *sc = arg; 704 struct ieee80211com *ic = &sc->sc_ic; 705 706 if (ic->ic_state == IEEE80211_S_SCAN) 707 ieee80211_next_scan(ic); 708 } 709 710 Static void 711 zyd_task(void *arg) 712 { 713 struct zyd_softc *sc = arg; 714 struct ieee80211com *ic = &sc->sc_ic; 715 enum ieee80211_state ostate; 716 717 ostate = ic->ic_state; 718 719 switch (sc->sc_state) { 720 case IEEE80211_S_INIT: 721 if (ostate == IEEE80211_S_RUN) { 722 /* turn link LED off */ 723 zyd_set_led(sc, ZYD_LED1, 0); 724 725 /* stop data LED from blinking */ 726 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 727 } 728 break; 729 730 case IEEE80211_S_SCAN: 731 zyd_set_chan(sc, ic->ic_curchan); 732 usb_callout(sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 733 break; 734 735 case IEEE80211_S_AUTH: 736 case IEEE80211_S_ASSOC: 737 zyd_set_chan(sc, ic->ic_curchan); 738 break; 739 740 case IEEE80211_S_RUN: 741 { 742 struct ieee80211_node *ni = ic->ic_bss; 743 744 zyd_set_chan(sc, ic->ic_curchan); 745 746 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 747 /* turn link LED on */ 748 zyd_set_led(sc, ZYD_LED1, 1); 749 750 /* make data LED blink upon Tx */ 751 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 752 753 zyd_set_bssid(sc, ni->ni_bssid); 754 } 755 756 if (ic->ic_opmode == IEEE80211_M_STA) { 757 /* fake a join to init the tx rate */ 758 zyd_newassoc(ni, 1); 759 } 760 761 /* start automatic rate control timer */ 762 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 763 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 764 765 break; 766 } 767 } 768 769 sc->sc_newstate(ic, sc->sc_state, -1); 770 } 771 772 Static int 773 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 774 { 775 struct zyd_softc *sc = ic->ic_ifp->if_softc; 776 777 usb_rem_task(sc->sc_udev, &sc->sc_task); 778 usb_uncallout(sc->sc_scan_ch, zyd_next_scan, sc); 779 usb_uncallout(sc->sc_amrr_ch, zyd_amrr_timeout, sc); 780 781 /* do it in a process context */ 782 sc->sc_state = nstate; 783 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 784 785 return 0; 786 } 787 788 Static int 789 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 790 void *odata, int olen, u_int flags) 791 { 792 usbd_xfer_handle xfer; 793 struct zyd_cmd cmd; 794 uint16_t xferflags; 795 usbd_status error; 796 int s = 0; 797 798 if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL) 799 return ENOMEM; 800 801 cmd.code = htole16(code); 802 bcopy(idata, cmd.data, ilen); 803 804 xferflags = USBD_FORCE_SHORT_XFER; 805 if (!(flags & ZYD_CMD_FLAG_READ)) 806 xferflags |= USBD_SYNCHRONOUS; 807 else 808 s = splusb(); 809 810 sc->odata = odata; 811 sc->olen = olen; 812 813 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd, 814 sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL); 815 error = usbd_transfer(xfer); 816 if (error != USBD_IN_PROGRESS && error != 0) { 817 if (flags & ZYD_CMD_FLAG_READ) 818 splx(s); 819 printf("%s: could not send command (error=%s)\n", 820 USBDEVNAME(sc->sc_dev), usbd_errstr(error)); 821 (void)usbd_free_xfer(xfer); 822 return EIO; 823 } 824 if (!(flags & ZYD_CMD_FLAG_READ)) { 825 (void)usbd_free_xfer(xfer); 826 return 0; /* write: don't wait for reply */ 827 } 828 /* wait at most one second for command reply */ 829 error = tsleep(sc, PCATCH, "zydcmd", hz); 830 sc->odata = NULL; /* in case answer is received too late */ 831 splx(s); 832 833 (void)usbd_free_xfer(xfer); 834 return error; 835 } 836 837 Static int 838 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 839 { 840 struct zyd_pair tmp; 841 int error; 842 843 reg = htole16(reg); 844 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp, 845 ZYD_CMD_FLAG_READ); 846 if (error == 0) 847 *val = le16toh(tmp.val); 848 return error; 849 } 850 851 Static int 852 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 853 { 854 struct zyd_pair tmp[2]; 855 uint16_t regs[2]; 856 int error; 857 858 regs[0] = htole16(ZYD_REG32_HI(reg)); 859 regs[1] = htole16(ZYD_REG32_LO(reg)); 860 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp, 861 ZYD_CMD_FLAG_READ); 862 if (error == 0) 863 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 864 return error; 865 } 866 867 Static int 868 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 869 { 870 struct zyd_pair pair; 871 872 pair.reg = htole16(reg); 873 pair.val = htole16(val); 874 875 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0); 876 } 877 878 Static int 879 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 880 { 881 struct zyd_pair pair[2]; 882 883 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 884 pair[0].val = htole16(val >> 16); 885 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 886 pair[1].val = htole16(val & 0xffff); 887 888 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0); 889 } 890 891 Static int 892 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 893 { 894 struct zyd_rf *rf = &sc->sc_rf; 895 struct zyd_rfwrite req; 896 uint16_t cr203; 897 int i; 898 899 (void)zyd_read16(sc, ZYD_CR203, &cr203); 900 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 901 902 req.code = htole16(2); 903 req.width = htole16(rf->width); 904 for (i = 0; i < rf->width; i++) { 905 req.bit[i] = htole16(cr203); 906 if (val & (1 << (rf->width - 1 - i))) 907 req.bit[i] |= htole16(ZYD_RF_DATA); 908 } 909 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 910 } 911 912 Static void 913 zyd_lock_phy(struct zyd_softc *sc) 914 { 915 uint32_t tmp; 916 917 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 918 tmp &= ~ZYD_UNLOCK_PHY_REGS; 919 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 920 } 921 922 Static void 923 zyd_unlock_phy(struct zyd_softc *sc) 924 { 925 uint32_t tmp; 926 927 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 928 tmp |= ZYD_UNLOCK_PHY_REGS; 929 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 930 } 931 932 /* 933 * RFMD RF methods. 934 */ 935 Static int 936 zyd_rfmd_init(struct zyd_rf *rf) 937 { 938 #define N(a) (sizeof (a) / sizeof ((a)[0])) 939 struct zyd_softc *sc = rf->rf_sc; 940 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 941 static const uint32_t rfini[] = ZYD_RFMD_RF; 942 int i, error; 943 944 /* init RF-dependent PHY registers */ 945 for (i = 0; i < N(phyini); i++) { 946 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 947 if (error != 0) 948 return error; 949 } 950 951 /* init RFMD radio */ 952 for (i = 0; i < N(rfini); i++) { 953 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 954 return error; 955 } 956 return 0; 957 #undef N 958 } 959 960 Static int 961 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 962 { 963 struct zyd_softc *sc = rf->rf_sc; 964 965 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 966 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 967 968 return 0; 969 } 970 971 Static int 972 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 973 { 974 struct zyd_softc *sc = rf->rf_sc; 975 static const struct { 976 uint32_t r1, r2; 977 } rfprog[] = ZYD_RFMD_CHANTABLE; 978 979 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 980 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 981 982 return 0; 983 } 984 985 /* 986 * AL2230 RF methods. 987 */ 988 Static int 989 zyd_al2230_init(struct zyd_rf *rf) 990 { 991 #define N(a) (sizeof (a) / sizeof ((a)[0])) 992 struct zyd_softc *sc = rf->rf_sc; 993 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 994 static const uint32_t rfini[] = ZYD_AL2230_RF; 995 int i, error; 996 997 /* init RF-dependent PHY registers */ 998 for (i = 0; i < N(phyini); i++) { 999 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1000 if (error != 0) 1001 return error; 1002 } 1003 1004 /* init AL2230 radio */ 1005 for (i = 0; i < N(rfini); i++) { 1006 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1007 return error; 1008 } 1009 return 0; 1010 #undef N 1011 } 1012 1013 Static int 1014 zyd_al2230_init_b(struct zyd_rf *rf) 1015 { 1016 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1017 struct zyd_softc *sc = rf->rf_sc; 1018 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1019 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1020 int i, error; 1021 1022 /* init RF-dependent PHY registers */ 1023 for (i = 0; i < N(phyini); i++) { 1024 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1025 if (error != 0) 1026 return error; 1027 } 1028 1029 /* init AL2230 radio */ 1030 for (i = 0; i < N(rfini); i++) { 1031 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1032 return error; 1033 } 1034 return 0; 1035 #undef N 1036 } 1037 1038 Static int 1039 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1040 { 1041 struct zyd_softc *sc = rf->rf_sc; 1042 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1043 1044 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1045 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1046 1047 return 0; 1048 } 1049 1050 Static int 1051 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1052 { 1053 struct zyd_softc *sc = rf->rf_sc; 1054 static const struct { 1055 uint32_t r1, r2, r3; 1056 } rfprog[] = ZYD_AL2230_CHANTABLE; 1057 1058 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1059 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1060 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1061 1062 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1063 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1064 1065 return 0; 1066 } 1067 1068 /* 1069 * AL7230B RF methods. 1070 */ 1071 Static int 1072 zyd_al7230B_init(struct zyd_rf *rf) 1073 { 1074 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1075 struct zyd_softc *sc = rf->rf_sc; 1076 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1077 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1078 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1079 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1080 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1081 int i, error; 1082 1083 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1084 1085 /* init RF-dependent PHY registers, part one */ 1086 for (i = 0; i < N(phyini_1); i++) { 1087 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1088 if (error != 0) 1089 return error; 1090 } 1091 /* init AL7230B radio, part one */ 1092 for (i = 0; i < N(rfini_1); i++) { 1093 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1094 return error; 1095 } 1096 /* init RF-dependent PHY registers, part two */ 1097 for (i = 0; i < N(phyini_2); i++) { 1098 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1099 if (error != 0) 1100 return error; 1101 } 1102 /* init AL7230B radio, part two */ 1103 for (i = 0; i < N(rfini_2); i++) { 1104 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1105 return error; 1106 } 1107 /* init RF-dependent PHY registers, part three */ 1108 for (i = 0; i < N(phyini_3); i++) { 1109 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1110 if (error != 0) 1111 return error; 1112 } 1113 1114 return 0; 1115 #undef N 1116 } 1117 1118 Static int 1119 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1120 { 1121 struct zyd_softc *sc = rf->rf_sc; 1122 1123 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1124 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1125 1126 return 0; 1127 } 1128 1129 Static int 1130 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1131 { 1132 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1133 struct zyd_softc *sc = rf->rf_sc; 1134 static const struct { 1135 uint32_t r1, r2; 1136 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1137 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1138 int i, error; 1139 1140 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1141 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1142 1143 for (i = 0; i < N(rfsc); i++) { 1144 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1145 return error; 1146 } 1147 1148 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1149 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1150 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1151 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1152 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1153 1154 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1155 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1156 (void)zyd_rfwrite(sc, 0x3c9000); 1157 1158 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1159 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1160 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1161 1162 return 0; 1163 #undef N 1164 } 1165 1166 /* 1167 * AL2210 RF methods. 1168 */ 1169 Static int 1170 zyd_al2210_init(struct zyd_rf *rf) 1171 { 1172 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1173 struct zyd_softc *sc = rf->rf_sc; 1174 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1175 static const uint32_t rfini[] = ZYD_AL2210_RF; 1176 uint32_t tmp; 1177 int i, error; 1178 1179 (void)zyd_write32(sc, ZYD_CR18, 2); 1180 1181 /* init RF-dependent PHY registers */ 1182 for (i = 0; i < N(phyini); i++) { 1183 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1184 if (error != 0) 1185 return error; 1186 } 1187 /* init AL2210 radio */ 1188 for (i = 0; i < N(rfini); i++) { 1189 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1190 return error; 1191 } 1192 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1193 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1194 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1195 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1196 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1197 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1198 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1199 (void)zyd_write32(sc, ZYD_CR18, 3); 1200 1201 return 0; 1202 #undef N 1203 } 1204 1205 Static int 1206 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1207 { 1208 /* vendor driver does nothing for this RF chip */ 1209 1210 return 0; 1211 } 1212 1213 Static int 1214 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1215 { 1216 struct zyd_softc *sc = rf->rf_sc; 1217 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1218 uint32_t tmp; 1219 1220 (void)zyd_write32(sc, ZYD_CR18, 2); 1221 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1222 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1223 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1224 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1225 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1226 1227 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1228 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1229 1230 /* actually set the channel */ 1231 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1232 1233 (void)zyd_write32(sc, ZYD_CR18, 3); 1234 1235 return 0; 1236 } 1237 1238 /* 1239 * GCT RF methods. 1240 */ 1241 Static int 1242 zyd_gct_init(struct zyd_rf *rf) 1243 { 1244 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1245 struct zyd_softc *sc = rf->rf_sc; 1246 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1247 static const uint32_t rfini[] = ZYD_GCT_RF; 1248 int i, error; 1249 1250 /* init RF-dependent PHY registers */ 1251 for (i = 0; i < N(phyini); i++) { 1252 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1253 if (error != 0) 1254 return error; 1255 } 1256 /* init cgt radio */ 1257 for (i = 0; i < N(rfini); i++) { 1258 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1259 return error; 1260 } 1261 return 0; 1262 #undef N 1263 } 1264 1265 Static int 1266 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1267 { 1268 /* vendor driver does nothing for this RF chip */ 1269 1270 return 0; 1271 } 1272 1273 Static int 1274 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1275 { 1276 struct zyd_softc *sc = rf->rf_sc; 1277 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1278 1279 (void)zyd_rfwrite(sc, 0x1c0000); 1280 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1281 (void)zyd_rfwrite(sc, 0x1c0008); 1282 1283 return 0; 1284 } 1285 1286 /* 1287 * Maxim RF methods. 1288 */ 1289 Static int 1290 zyd_maxim_init(struct zyd_rf *rf) 1291 { 1292 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1293 struct zyd_softc *sc = rf->rf_sc; 1294 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1295 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1296 uint16_t tmp; 1297 int i, error; 1298 1299 /* init RF-dependent PHY registers */ 1300 for (i = 0; i < N(phyini); i++) { 1301 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1302 if (error != 0) 1303 return error; 1304 } 1305 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1306 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1307 1308 /* init maxim radio */ 1309 for (i = 0; i < N(rfini); i++) { 1310 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1317 #undef N 1318 } 1319 1320 Static int 1321 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1322 { 1323 /* vendor driver does nothing for this RF chip */ 1324 1325 return 0; 1326 } 1327 1328 Static int 1329 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1330 { 1331 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1332 struct zyd_softc *sc = rf->rf_sc; 1333 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1334 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1335 static const struct { 1336 uint32_t r1, r2; 1337 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1338 uint16_t tmp; 1339 int i, error; 1340 1341 /* 1342 * Do the same as we do when initializing it, except for the channel 1343 * values coming from the two channel tables. 1344 */ 1345 1346 /* init RF-dependent PHY registers */ 1347 for (i = 0; i < N(phyini); i++) { 1348 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1349 if (error != 0) 1350 return error; 1351 } 1352 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1353 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1354 1355 /* first two values taken from the chantables */ 1356 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1357 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1358 1359 /* init maxim radio - skipping the two first values */ 1360 for (i = 2; i < N(rfini); i++) { 1361 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1362 return error; 1363 } 1364 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1365 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1366 1367 return 0; 1368 #undef N 1369 } 1370 1371 /* 1372 * Maxim2 RF methods. 1373 */ 1374 Static int 1375 zyd_maxim2_init(struct zyd_rf *rf) 1376 { 1377 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1378 struct zyd_softc *sc = rf->rf_sc; 1379 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1380 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1381 uint16_t tmp; 1382 int i, error; 1383 1384 /* init RF-dependent PHY registers */ 1385 for (i = 0; i < N(phyini); i++) { 1386 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1387 if (error != 0) 1388 return error; 1389 } 1390 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1391 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1392 1393 /* init maxim2 radio */ 1394 for (i = 0; i < N(rfini); i++) { 1395 if ((error = zyd_rfwrite(sc, rfini[i])) != 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 return 0; 1402 #undef N 1403 } 1404 1405 Static int 1406 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1407 { 1408 /* vendor driver does nothing for this RF chip */ 1409 1410 return 0; 1411 } 1412 1413 Static int 1414 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1415 { 1416 #define N(a) (sizeof (a) / sizeof ((a)[0])) 1417 struct zyd_softc *sc = rf->rf_sc; 1418 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1419 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1420 static const struct { 1421 uint32_t r1, r2; 1422 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1423 uint16_t tmp; 1424 int i, error; 1425 1426 /* 1427 * Do the same as we do when initializing it, except for the channel 1428 * values coming from the two channel tables. 1429 */ 1430 1431 /* init RF-dependent PHY registers */ 1432 for (i = 0; i < N(phyini); i++) { 1433 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1434 if (error != 0) 1435 return error; 1436 } 1437 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1438 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1439 1440 /* first two values taken from the chantables */ 1441 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1442 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1443 1444 /* init maxim2 radio - skipping the two first values */ 1445 for (i = 2; i < N(rfini); i++) { 1446 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1447 return error; 1448 } 1449 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1450 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1451 1452 return 0; 1453 #undef N 1454 } 1455 1456 Static int 1457 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1458 { 1459 struct zyd_rf *rf = &sc->sc_rf; 1460 1461 rf->rf_sc = sc; 1462 1463 switch (type) { 1464 case ZYD_RF_RFMD: 1465 rf->init = zyd_rfmd_init; 1466 rf->switch_radio = zyd_rfmd_switch_radio; 1467 rf->set_channel = zyd_rfmd_set_channel; 1468 rf->width = 24; /* 24-bit RF values */ 1469 break; 1470 case ZYD_RF_AL2230: 1471 if (sc->mac_rev == ZYD_ZD1211B) 1472 rf->init = zyd_al2230_init_b; 1473 else 1474 rf->init = zyd_al2230_init; 1475 rf->switch_radio = zyd_al2230_switch_radio; 1476 rf->set_channel = zyd_al2230_set_channel; 1477 rf->width = 24; /* 24-bit RF values */ 1478 break; 1479 case ZYD_RF_AL7230B: 1480 rf->init = zyd_al7230B_init; 1481 rf->switch_radio = zyd_al7230B_switch_radio; 1482 rf->set_channel = zyd_al7230B_set_channel; 1483 rf->width = 24; /* 24-bit RF values */ 1484 break; 1485 case ZYD_RF_AL2210: 1486 rf->init = zyd_al2210_init; 1487 rf->switch_radio = zyd_al2210_switch_radio; 1488 rf->set_channel = zyd_al2210_set_channel; 1489 rf->width = 24; /* 24-bit RF values */ 1490 break; 1491 case ZYD_RF_GCT: 1492 rf->init = zyd_gct_init; 1493 rf->switch_radio = zyd_gct_switch_radio; 1494 rf->set_channel = zyd_gct_set_channel; 1495 rf->width = 21; /* 21-bit RF values */ 1496 break; 1497 case ZYD_RF_MAXIM_NEW: 1498 rf->init = zyd_maxim_init; 1499 rf->switch_radio = zyd_maxim_switch_radio; 1500 rf->set_channel = zyd_maxim_set_channel; 1501 rf->width = 18; /* 18-bit RF values */ 1502 break; 1503 case ZYD_RF_MAXIM_NEW2: 1504 rf->init = zyd_maxim2_init; 1505 rf->switch_radio = zyd_maxim2_switch_radio; 1506 rf->set_channel = zyd_maxim2_set_channel; 1507 rf->width = 18; /* 18-bit RF values */ 1508 break; 1509 default: 1510 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1511 USBDEVNAME(sc->sc_dev), zyd_rf_name(type)); 1512 return EINVAL; 1513 } 1514 return 0; 1515 } 1516 1517 Static const char * 1518 zyd_rf_name(uint8_t type) 1519 { 1520 static const char * const zyd_rfs[] = { 1521 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1522 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1523 "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1524 "PHILIPS" 1525 }; 1526 1527 return zyd_rfs[(type > 15) ? 0 : type]; 1528 } 1529 1530 Static int 1531 zyd_hw_init(struct zyd_softc *sc) 1532 { 1533 struct zyd_rf *rf = &sc->sc_rf; 1534 const struct zyd_phy_pair *phyp; 1535 int error; 1536 1537 /* specify that the plug and play is finished */ 1538 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1539 1540 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1541 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1542 1543 /* retrieve firmware revision number */ 1544 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1545 1546 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1547 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1548 1549 /* disable interrupts */ 1550 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1551 1552 /* PHY init */ 1553 zyd_lock_phy(sc); 1554 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1555 for (; phyp->reg != 0; phyp++) { 1556 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1557 goto fail; 1558 } 1559 zyd_unlock_phy(sc); 1560 1561 /* HMAC init */ 1562 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1563 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1564 1565 if (sc->mac_rev == ZYD_ZD1211) { 1566 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1567 } else { 1568 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1569 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1570 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1571 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1572 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1573 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1574 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1575 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1576 } 1577 1578 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1579 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1580 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1581 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1582 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1583 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1584 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1585 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1586 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1587 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1588 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1589 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1590 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1591 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1592 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1593 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1594 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1595 1596 /* RF chip init */ 1597 zyd_lock_phy(sc); 1598 error = (*rf->init)(rf); 1599 zyd_unlock_phy(sc); 1600 if (error != 0) { 1601 printf("%s: radio initialization failed\n", 1602 USBDEVNAME(sc->sc_dev)); 1603 goto fail; 1604 } 1605 1606 /* init beacon interval to 100ms */ 1607 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1608 goto fail; 1609 1610 fail: return error; 1611 } 1612 1613 Static int 1614 zyd_read_eeprom(struct zyd_softc *sc) 1615 { 1616 struct ieee80211com *ic = &sc->sc_ic; 1617 uint32_t tmp; 1618 uint16_t val; 1619 int i; 1620 1621 /* read MAC address */ 1622 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1623 ic->ic_myaddr[0] = tmp & 0xff; 1624 ic->ic_myaddr[1] = tmp >> 8; 1625 ic->ic_myaddr[2] = tmp >> 16; 1626 ic->ic_myaddr[3] = tmp >> 24; 1627 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1628 ic->ic_myaddr[4] = tmp & 0xff; 1629 ic->ic_myaddr[5] = tmp >> 8; 1630 1631 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1632 sc->rf_rev = tmp & 0x0f; 1633 sc->pa_rev = (tmp >> 16) & 0x0f; 1634 1635 /* read regulatory domain (currently unused) */ 1636 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1637 sc->regdomain = tmp >> 16; 1638 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1639 1640 /* read Tx power calibration tables */ 1641 for (i = 0; i < 7; i++) { 1642 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1643 sc->pwr_cal[i * 2] = val >> 8; 1644 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1645 1646 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1647 sc->pwr_int[i * 2] = val >> 8; 1648 sc->pwr_int[i * 2 + 1] = val & 0xff; 1649 1650 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1651 sc->ofdm36_cal[i * 2] = val >> 8; 1652 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1653 1654 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1655 sc->ofdm48_cal[i * 2] = val >> 8; 1656 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1657 1658 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1659 sc->ofdm54_cal[i * 2] = val >> 8; 1660 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1661 } 1662 return 0; 1663 } 1664 1665 Static int 1666 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1667 { 1668 uint32_t tmp; 1669 1670 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1671 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1672 1673 tmp = addr[5] << 8 | addr[4]; 1674 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1675 1676 return 0; 1677 } 1678 1679 Static int 1680 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1681 { 1682 uint32_t tmp; 1683 1684 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1685 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1686 1687 tmp = addr[5] << 8 | addr[4]; 1688 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1689 1690 return 0; 1691 } 1692 1693 Static int 1694 zyd_switch_radio(struct zyd_softc *sc, int on) 1695 { 1696 struct zyd_rf *rf = &sc->sc_rf; 1697 int error; 1698 1699 zyd_lock_phy(sc); 1700 error = (*rf->switch_radio)(rf, on); 1701 zyd_unlock_phy(sc); 1702 1703 return error; 1704 } 1705 1706 Static void 1707 zyd_set_led(struct zyd_softc *sc, int which, int on) 1708 { 1709 uint32_t tmp; 1710 1711 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1712 tmp &= ~which; 1713 if (on) 1714 tmp |= which; 1715 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1716 } 1717 1718 Static int 1719 zyd_set_rxfilter(struct zyd_softc *sc) 1720 { 1721 uint32_t rxfilter; 1722 1723 switch (sc->sc_ic.ic_opmode) { 1724 case IEEE80211_M_STA: 1725 rxfilter = ZYD_FILTER_BSS; 1726 break; 1727 case IEEE80211_M_IBSS: 1728 case IEEE80211_M_HOSTAP: 1729 rxfilter = ZYD_FILTER_HOSTAP; 1730 break; 1731 case IEEE80211_M_MONITOR: 1732 rxfilter = ZYD_FILTER_MONITOR; 1733 break; 1734 default: 1735 /* should not get there */ 1736 return EINVAL; 1737 } 1738 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1739 } 1740 1741 Static void 1742 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1743 { 1744 struct ieee80211com *ic = &sc->sc_ic; 1745 struct zyd_rf *rf = &sc->sc_rf; 1746 u_int chan; 1747 1748 chan = ieee80211_chan2ieee(ic, c); 1749 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1750 return; 1751 1752 zyd_lock_phy(sc); 1753 1754 (*rf->set_channel)(rf, chan); 1755 1756 /* update Tx power */ 1757 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1758 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1759 1760 if (sc->mac_rev == ZYD_ZD1211B) { 1761 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1762 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1763 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1764 1765 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1766 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1767 } 1768 1769 zyd_unlock_phy(sc); 1770 } 1771 1772 Static int 1773 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1774 { 1775 /* XXX this is probably broken.. */ 1776 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1777 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1778 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1779 1780 return 0; 1781 } 1782 1783 Static uint8_t 1784 zyd_plcp_signal(int rate) 1785 { 1786 switch (rate) { 1787 /* CCK rates (returned values are device-dependent) */ 1788 case 2: return 0x0; 1789 case 4: return 0x1; 1790 case 11: return 0x2; 1791 case 22: return 0x3; 1792 1793 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1794 case 12: return 0xb; 1795 case 18: return 0xf; 1796 case 24: return 0xa; 1797 case 36: return 0xe; 1798 case 48: return 0x9; 1799 case 72: return 0xd; 1800 case 96: return 0x8; 1801 case 108: return 0xc; 1802 1803 /* unsupported rates (should not get there) */ 1804 default: return 0xff; 1805 } 1806 } 1807 1808 Static void 1809 zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1810 { 1811 struct zyd_softc *sc = (struct zyd_softc *)priv; 1812 struct zyd_cmd *cmd; 1813 uint32_t len; 1814 1815 if (status != USBD_NORMAL_COMPLETION) { 1816 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1817 return; 1818 1819 if (status == USBD_STALLED) { 1820 usbd_clear_endpoint_stall_async( 1821 sc->zyd_ep[ZYD_ENDPT_IIN]); 1822 } 1823 return; 1824 } 1825 1826 cmd = (struct zyd_cmd *)sc->ibuf; 1827 1828 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1829 struct zyd_notif_retry *retry = 1830 (struct zyd_notif_retry *)cmd->data; 1831 struct ieee80211com *ic = &sc->sc_ic; 1832 struct ifnet *ifp = &sc->sc_if; 1833 struct ieee80211_node *ni; 1834 1835 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1836 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1837 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1838 1839 /* 1840 * Find the node to which the packet was sent and update its 1841 * retry statistics. In BSS mode, this node is the AP we're 1842 * associated to so no lookup is actually needed. 1843 */ 1844 if (ic->ic_opmode != IEEE80211_M_STA) { 1845 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1846 if (ni == NULL) 1847 return; /* just ignore */ 1848 } else 1849 ni = ic->ic_bss; 1850 1851 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1852 1853 if (le16toh(retry->count) & 0x100) 1854 ifp->if_oerrors++; /* too many retries */ 1855 1856 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1857 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1858 return; /* HMAC interrupt */ 1859 1860 if (sc->odata == NULL) 1861 return; /* unexpected IORD notification */ 1862 1863 /* copy answer into caller-supplied buffer */ 1864 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1865 bcopy(cmd->data, sc->odata, sc->olen); 1866 1867 wakeup(sc); /* wakeup caller */ 1868 1869 } else { 1870 printf("%s: unknown notification %x\n", USBDEVNAME(sc->sc_dev), 1871 le16toh(cmd->code)); 1872 } 1873 } 1874 1875 Static void 1876 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1877 { 1878 struct ieee80211com *ic = &sc->sc_ic; 1879 struct ifnet *ifp = &sc->sc_if; 1880 struct ieee80211_node *ni; 1881 struct ieee80211_frame *wh; 1882 const struct zyd_plcphdr *plcp; 1883 const struct zyd_rx_stat *stat; 1884 struct mbuf *m; 1885 int rlen, s; 1886 1887 if (len < ZYD_MIN_FRAGSZ) { 1888 printf("%s: frame too short (length=%d)\n", 1889 USBDEVNAME(sc->sc_dev), len); 1890 ifp->if_ierrors++; 1891 return; 1892 } 1893 1894 plcp = (const struct zyd_plcphdr *)buf; 1895 stat = (const struct zyd_rx_stat *) 1896 (buf + len - sizeof (struct zyd_rx_stat)); 1897 1898 if (stat->flags & ZYD_RX_ERROR) { 1899 DPRINTF(("%s: RX status indicated error (%x)\n", 1900 USBDEVNAME(sc->sc_dev), stat->flags)); 1901 ifp->if_ierrors++; 1902 return; 1903 } 1904 1905 /* compute actual frame length */ 1906 rlen = len - sizeof (struct zyd_plcphdr) - 1907 sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1908 1909 /* allocate a mbuf to store the frame */ 1910 MGETHDR(m, M_DONTWAIT, MT_DATA); 1911 if (m == NULL) { 1912 printf("%s: could not allocate rx mbuf\n", 1913 USBDEVNAME(sc->sc_dev)); 1914 ifp->if_ierrors++; 1915 return; 1916 } 1917 if (rlen > MHLEN) { 1918 MCLGET(m, M_DONTWAIT); 1919 if (!(m->m_flags & M_EXT)) { 1920 printf("%s: could not allocate rx mbuf cluster\n", 1921 USBDEVNAME(sc->sc_dev)); 1922 m_freem(m); 1923 ifp->if_ierrors++; 1924 return; 1925 } 1926 } 1927 m->m_pkthdr.rcvif = ifp; 1928 m->m_pkthdr.len = m->m_len = rlen; 1929 bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen); 1930 1931 #if NBPFILTER > 0 1932 if (sc->sc_drvbpf != NULL) { 1933 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1934 static const uint8_t rates[] = { 1935 /* reverse function of zyd_plcp_signal() */ 1936 2, 4, 11, 22, 0, 0, 0, 0, 1937 96, 48, 24, 12, 108, 72, 36, 18 1938 }; 1939 1940 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1941 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1942 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1943 tap->wr_rssi = stat->rssi; 1944 tap->wr_rate = rates[plcp->signal & 0xf]; 1945 1946 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1947 } 1948 #endif 1949 1950 s = splnet(); 1951 wh = mtod(m, struct ieee80211_frame *); 1952 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1953 ieee80211_input(ic, m, ni, stat->rssi, 0); 1954 1955 /* node is no longer needed */ 1956 ieee80211_free_node(ni); 1957 1958 splx(s); 1959 } 1960 1961 Static void 1962 zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1963 { 1964 struct zyd_rx_data *data = priv; 1965 struct zyd_softc *sc = data->sc; 1966 struct ifnet *ifp = &sc->sc_if; 1967 const struct zyd_rx_desc *desc; 1968 int len; 1969 1970 if (status != USBD_NORMAL_COMPLETION) { 1971 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1972 return; 1973 1974 if (status == USBD_STALLED) 1975 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 1976 1977 goto skip; 1978 } 1979 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1980 1981 if (len < ZYD_MIN_RXBUFSZ) { 1982 printf("%s: xfer too short (length=%d)\n", 1983 USBDEVNAME(sc->sc_dev), len); 1984 ifp->if_ierrors++; 1985 goto skip; 1986 } 1987 1988 desc = (const struct zyd_rx_desc *) 1989 (data->buf + len - sizeof (struct zyd_rx_desc)); 1990 1991 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 1992 const uint8_t *p = data->buf, *end = p + len; 1993 int i; 1994 1995 DPRINTFN(3, ("received multi-frame transfer\n")); 1996 1997 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 1998 const uint16_t len16 = UGETW(desc->len[i]); 1999 2000 if (len16 == 0 || p + len16 > end) 2001 break; 2002 2003 zyd_rx_data(sc, p, len16); 2004 /* next frame is aligned on a 32-bit boundary */ 2005 p += (len16 + 3) & ~3; 2006 } 2007 } else { 2008 DPRINTFN(3, ("received single-frame transfer\n")); 2009 2010 zyd_rx_data(sc, data->buf, len); 2011 } 2012 2013 skip: /* setup a new transfer */ 2014 usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL, 2015 ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2016 USBD_NO_TIMEOUT, zyd_rxeof); 2017 (void)usbd_transfer(xfer); 2018 } 2019 2020 Static int 2021 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2022 { 2023 struct ieee80211com *ic = &sc->sc_ic; 2024 struct ifnet *ifp = &sc->sc_if; 2025 struct zyd_tx_desc *desc; 2026 struct zyd_tx_data *data; 2027 struct ieee80211_frame *wh; 2028 int xferlen, totlen, rate; 2029 uint16_t pktlen; 2030 usbd_status error; 2031 2032 data = &sc->tx_data[0]; 2033 desc = (struct zyd_tx_desc *)data->buf; 2034 2035 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2036 2037 data->ni = ni; 2038 2039 wh = mtod(m0, struct ieee80211_frame *); 2040 2041 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2042 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2043 2044 /* fill Tx descriptor */ 2045 desc->len = htole16(totlen); 2046 2047 desc->flags = ZYD_TX_FLAG_BACKOFF; 2048 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2049 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2050 if (totlen > ic->ic_rtsthreshold) { 2051 desc->flags |= ZYD_TX_FLAG_RTS; 2052 } else if (ZYD_RATE_IS_OFDM(rate) && 2053 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2054 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2055 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2056 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2057 desc->flags |= ZYD_TX_FLAG_RTS; 2058 } 2059 } else 2060 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2061 2062 if ((wh->i_fc[0] & 2063 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2064 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2065 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2066 2067 desc->phy = zyd_plcp_signal(rate); 2068 if (ZYD_RATE_IS_OFDM(rate)) { 2069 desc->phy |= ZYD_TX_PHY_OFDM; 2070 if (ic->ic_curmode == IEEE80211_MODE_11A) 2071 desc->phy |= ZYD_TX_PHY_5GHZ; 2072 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2073 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2074 2075 /* actual transmit length (XXX why +10?) */ 2076 pktlen = sizeof (struct zyd_tx_desc) + 10; 2077 if (sc->mac_rev == ZYD_ZD1211) 2078 pktlen += totlen; 2079 desc->pktlen = htole16(pktlen); 2080 2081 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2082 desc->plcp_service = 0; 2083 if (rate == 22) { 2084 const int remainder = (16 * totlen) % 22; 2085 if (remainder != 0 && remainder < 7) 2086 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2087 } 2088 2089 #if NBPFILTER > 0 2090 if (sc->sc_drvbpf != NULL) { 2091 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2092 2093 tap->wt_flags = 0; 2094 tap->wt_rate = rate; 2095 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2096 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2097 2098 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2099 } 2100 #endif 2101 2102 m_copydata(m0, 0, m0->m_pkthdr.len, 2103 data->buf + sizeof (struct zyd_tx_desc)); 2104 2105 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2106 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2107 2108 m_freem(m0); /* mbuf no longer needed */ 2109 2110 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2111 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2112 ZYD_TX_TIMEOUT, zyd_txeof); 2113 error = usbd_transfer(data->xfer); 2114 if (error != USBD_IN_PROGRESS && error != 0) { 2115 ifp->if_oerrors++; 2116 return EIO; 2117 } 2118 sc->tx_queued++; 2119 2120 return 0; 2121 } 2122 2123 Static void 2124 zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 2125 { 2126 struct zyd_tx_data *data = priv; 2127 struct zyd_softc *sc = data->sc; 2128 struct ifnet *ifp = &sc->sc_if; 2129 int s; 2130 2131 if (status != USBD_NORMAL_COMPLETION) { 2132 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2133 return; 2134 2135 printf("%s: could not transmit buffer: %s\n", 2136 USBDEVNAME(sc->sc_dev), usbd_errstr(status)); 2137 2138 if (status == USBD_STALLED) { 2139 usbd_clear_endpoint_stall_async( 2140 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2141 } 2142 ifp->if_oerrors++; 2143 return; 2144 } 2145 2146 s = splnet(); 2147 2148 /* update rate control statistics */ 2149 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2150 2151 ieee80211_free_node(data->ni); 2152 data->ni = NULL; 2153 2154 sc->tx_queued--; 2155 ifp->if_opackets++; 2156 2157 sc->tx_timer = 0; 2158 ifp->if_flags &= ~IFF_OACTIVE; 2159 zyd_start(ifp); 2160 2161 splx(s); 2162 } 2163 2164 Static int 2165 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2166 { 2167 struct ieee80211com *ic = &sc->sc_ic; 2168 struct ifnet *ifp = &sc->sc_if; 2169 struct zyd_tx_desc *desc; 2170 struct zyd_tx_data *data; 2171 struct ieee80211_frame *wh; 2172 struct ieee80211_key *k; 2173 int xferlen, totlen, rate; 2174 uint16_t pktlen; 2175 usbd_status error; 2176 2177 wh = mtod(m0, struct ieee80211_frame *); 2178 2179 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2180 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2181 else 2182 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2183 rate &= IEEE80211_RATE_VAL; 2184 2185 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2186 k = ieee80211_crypto_encap(ic, ni, m0); 2187 if (k == NULL) { 2188 m_freem(m0); 2189 return ENOBUFS; 2190 } 2191 2192 /* packet header may have moved, reset our local pointer */ 2193 wh = mtod(m0, struct ieee80211_frame *); 2194 } 2195 2196 data = &sc->tx_data[0]; 2197 desc = (struct zyd_tx_desc *)data->buf; 2198 2199 data->ni = ni; 2200 2201 xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len; 2202 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2203 2204 /* fill Tx descriptor */ 2205 desc->len = htole16(totlen); 2206 2207 desc->flags = ZYD_TX_FLAG_BACKOFF; 2208 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2209 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2210 if (totlen > ic->ic_rtsthreshold) { 2211 desc->flags |= ZYD_TX_FLAG_RTS; 2212 } else if (ZYD_RATE_IS_OFDM(rate) && 2213 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2214 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2215 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2216 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2217 desc->flags |= ZYD_TX_FLAG_RTS; 2218 } 2219 } else 2220 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2221 2222 if ((wh->i_fc[0] & 2223 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2224 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2225 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2226 2227 desc->phy = zyd_plcp_signal(rate); 2228 if (ZYD_RATE_IS_OFDM(rate)) { 2229 desc->phy |= ZYD_TX_PHY_OFDM; 2230 if (ic->ic_curmode == IEEE80211_MODE_11A) 2231 desc->phy |= ZYD_TX_PHY_5GHZ; 2232 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2233 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2234 2235 /* actual transmit length (XXX why +10?) */ 2236 pktlen = sizeof (struct zyd_tx_desc) + 10; 2237 if (sc->mac_rev == ZYD_ZD1211) 2238 pktlen += totlen; 2239 desc->pktlen = htole16(pktlen); 2240 2241 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2242 desc->plcp_service = 0; 2243 if (rate == 22) { 2244 const int remainder = (16 * totlen) % 22; 2245 if (remainder != 0 && remainder < 7) 2246 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2247 } 2248 2249 #if NBPFILTER > 0 2250 if (sc->sc_drvbpf != NULL) { 2251 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2252 2253 tap->wt_flags = 0; 2254 tap->wt_rate = rate; 2255 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2256 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2257 2258 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2259 } 2260 #endif 2261 2262 m_copydata(m0, 0, m0->m_pkthdr.len, 2263 data->buf + sizeof (struct zyd_tx_desc)); 2264 2265 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2266 USBDEVNAME(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2267 2268 m_freem(m0); /* mbuf no longer needed */ 2269 2270 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, 2271 data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 2272 ZYD_TX_TIMEOUT, zyd_txeof); 2273 error = usbd_transfer(data->xfer); 2274 if (error != USBD_IN_PROGRESS && error != 0) { 2275 ifp->if_oerrors++; 2276 return EIO; 2277 } 2278 sc->tx_queued++; 2279 2280 return 0; 2281 } 2282 2283 Static void 2284 zyd_start(struct ifnet *ifp) 2285 { 2286 struct zyd_softc *sc = ifp->if_softc; 2287 struct ieee80211com *ic = &sc->sc_ic; 2288 struct ether_header *eh; 2289 struct ieee80211_node *ni; 2290 struct mbuf *m0; 2291 2292 for (;;) { 2293 IF_POLL(&ic->ic_mgtq, m0); 2294 if (m0 != NULL) { 2295 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2296 ifp->if_flags |= IFF_OACTIVE; 2297 break; 2298 } 2299 IF_DEQUEUE(&ic->ic_mgtq, m0); 2300 2301 ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2302 m0->m_pkthdr.rcvif = NULL; 2303 #if NBPFILTER > 0 2304 if (ic->ic_rawbpf != NULL) 2305 bpf_mtap(ic->ic_rawbpf, m0); 2306 #endif 2307 if (zyd_tx_mgt(sc, m0, ni) != 0) 2308 break; 2309 } else { 2310 if (ic->ic_state != IEEE80211_S_RUN) 2311 break; 2312 IFQ_POLL(&ifp->if_snd, m0); 2313 if (m0 == NULL) 2314 break; 2315 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2316 ifp->if_flags |= IFF_OACTIVE; 2317 break; 2318 } 2319 IFQ_DEQUEUE(&ifp->if_snd, m0); 2320 2321 if (m0->m_len < sizeof(struct ether_header) && 2322 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2323 continue; 2324 2325 eh = mtod(m0, struct ether_header *); 2326 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2327 if (ni == NULL) { 2328 m_freem(m0); 2329 continue; 2330 } 2331 #if NBPFILTER > 0 2332 if (ifp->if_bpf != NULL) 2333 bpf_mtap(ifp->if_bpf, m0); 2334 #endif 2335 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2336 ieee80211_free_node(ni); 2337 ifp->if_oerrors++; 2338 continue; 2339 } 2340 #if NBPFILTER > 0 2341 if (ic->ic_rawbpf != NULL) 2342 bpf_mtap(ic->ic_rawbpf, m0); 2343 #endif 2344 if (zyd_tx_data(sc, m0, ni) != 0) { 2345 ieee80211_free_node(ni); 2346 ifp->if_oerrors++; 2347 break; 2348 } 2349 } 2350 2351 sc->tx_timer = 5; 2352 ifp->if_timer = 1; 2353 } 2354 } 2355 2356 Static void 2357 zyd_watchdog(struct ifnet *ifp) 2358 { 2359 struct zyd_softc *sc = ifp->if_softc; 2360 struct ieee80211com *ic = &sc->sc_ic; 2361 2362 ifp->if_timer = 0; 2363 2364 if (sc->tx_timer > 0) { 2365 if (--sc->tx_timer == 0) { 2366 printf("%s: device timeout\n", USBDEVNAME(sc->sc_dev)); 2367 /* zyd_init(ifp); XXX needs a process context ? */ 2368 ifp->if_oerrors++; 2369 return; 2370 } 2371 ifp->if_timer = 1; 2372 } 2373 2374 ieee80211_watchdog(ic); 2375 } 2376 2377 Static int 2378 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2379 { 2380 struct zyd_softc *sc = ifp->if_softc; 2381 struct ieee80211com *ic = &sc->sc_ic; 2382 int s, error = 0; 2383 2384 s = splnet(); 2385 2386 switch (cmd) { 2387 case SIOCSIFFLAGS: 2388 if (ifp->if_flags & IFF_UP) { 2389 if (!(ifp->if_flags & IFF_RUNNING)) 2390 zyd_init(ifp); 2391 } else { 2392 if (ifp->if_flags & IFF_RUNNING) 2393 zyd_stop(ifp, 1); 2394 } 2395 break; 2396 2397 default: 2398 if (!sc->attached) 2399 error = ENOTTY; 2400 else 2401 error = ieee80211_ioctl(ic, cmd, data); 2402 } 2403 2404 if (error == ENETRESET) { 2405 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2406 (IFF_RUNNING | IFF_UP)) 2407 zyd_init(ifp); 2408 error = 0; 2409 } 2410 2411 splx(s); 2412 2413 return error; 2414 } 2415 2416 Static int 2417 zyd_init(struct ifnet *ifp) 2418 { 2419 struct zyd_softc *sc = ifp->if_softc; 2420 struct ieee80211com *ic = &sc->sc_ic; 2421 int i, error; 2422 2423 if ((sc->sc_flags & ZD1211_FWLOADED) == 0) 2424 if ((error = zyd_attachhook(sc)) != 0) 2425 return error; 2426 2427 zyd_stop(ifp, 0); 2428 2429 IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); 2430 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2431 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2432 if (error != 0) 2433 return error; 2434 2435 /* we'll do software WEP decryption for now */ 2436 DPRINTF(("setting encryption type\n")); 2437 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2438 if (error != 0) 2439 return error; 2440 2441 /* promiscuous mode */ 2442 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2443 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2444 2445 (void)zyd_set_rxfilter(sc); 2446 2447 /* switch radio transmitter ON */ 2448 (void)zyd_switch_radio(sc, 1); 2449 2450 /* set basic rates */ 2451 if (ic->ic_curmode == IEEE80211_MODE_11B) 2452 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2453 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2454 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2455 else /* assumes 802.11b/g */ 2456 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2457 2458 /* set mandatory rates */ 2459 if (ic->ic_curmode == IEEE80211_MODE_11B) 2460 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2461 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2462 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2463 else /* assumes 802.11b/g */ 2464 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2465 2466 /* set default BSS channel */ 2467 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2468 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2469 2470 /* enable interrupts */ 2471 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2472 2473 /* 2474 * Allocate Tx and Rx xfer queues. 2475 */ 2476 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2477 printf("%s: could not allocate Tx list\n", 2478 USBDEVNAME(sc->sc_dev)); 2479 goto fail; 2480 } 2481 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2482 printf("%s: could not allocate Rx list\n", 2483 USBDEVNAME(sc->sc_dev)); 2484 goto fail; 2485 } 2486 2487 /* 2488 * Start up the receive pipe. 2489 */ 2490 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2491 struct zyd_rx_data *data = &sc->rx_data[i]; 2492 2493 usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, 2494 NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK, 2495 USBD_NO_TIMEOUT, zyd_rxeof); 2496 error = usbd_transfer(data->xfer); 2497 if (error != USBD_IN_PROGRESS && error != 0) { 2498 printf("%s: could not queue Rx transfer\n", 2499 USBDEVNAME(sc->sc_dev)); 2500 goto fail; 2501 } 2502 } 2503 2504 ifp->if_flags &= ~IFF_OACTIVE; 2505 ifp->if_flags |= IFF_RUNNING; 2506 2507 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2508 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2509 else 2510 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2511 2512 return 0; 2513 2514 fail: zyd_stop(ifp, 1); 2515 return error; 2516 } 2517 2518 Static void 2519 zyd_stop(struct ifnet *ifp, int disable) 2520 { 2521 struct zyd_softc *sc = ifp->if_softc; 2522 struct ieee80211com *ic = &sc->sc_ic; 2523 2524 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2525 2526 sc->tx_timer = 0; 2527 ifp->if_timer = 0; 2528 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2529 2530 /* switch radio transmitter OFF */ 2531 (void)zyd_switch_radio(sc, 0); 2532 2533 /* disable Rx */ 2534 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2535 2536 /* disable interrupts */ 2537 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2538 2539 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2540 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2541 2542 zyd_free_rx_list(sc); 2543 zyd_free_tx_list(sc); 2544 } 2545 2546 Static int 2547 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2548 { 2549 usb_device_request_t req; 2550 uint16_t addr; 2551 uint8_t stat; 2552 2553 DPRINTF(("firmware size=%zu\n", size)); 2554 2555 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2556 req.bRequest = ZYD_DOWNLOADREQ; 2557 USETW(req.wIndex, 0); 2558 2559 addr = ZYD_FIRMWARE_START_ADDR; 2560 while (size > 0) { 2561 const int mlen = min(size, 4096); 2562 2563 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2564 addr)); 2565 2566 USETW(req.wValue, addr); 2567 USETW(req.wLength, mlen); 2568 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2569 return EIO; 2570 2571 addr += mlen / 2; 2572 fw += mlen; 2573 size -= mlen; 2574 } 2575 2576 /* check whether the upload succeeded */ 2577 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2578 req.bRequest = ZYD_DOWNLOADSTS; 2579 USETW(req.wValue, 0); 2580 USETW(req.wIndex, 0); 2581 USETW(req.wLength, sizeof stat); 2582 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2583 return EIO; 2584 2585 return (stat & 0x80) ? EIO : 0; 2586 } 2587 2588 Static void 2589 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2590 { 2591 struct zyd_softc *sc = arg; 2592 struct zyd_node *zn = (struct zyd_node *)ni; 2593 2594 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2595 } 2596 2597 Static void 2598 zyd_amrr_timeout(void *arg) 2599 { 2600 struct zyd_softc *sc = arg; 2601 struct ieee80211com *ic = &sc->sc_ic; 2602 int s; 2603 2604 s = splnet(); 2605 if (ic->ic_opmode == IEEE80211_M_STA) 2606 zyd_iter_func(sc, ic->ic_bss); 2607 else 2608 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2609 splx(s); 2610 2611 usb_callout(sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2612 } 2613 2614 Static void 2615 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2616 { 2617 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2618 int i; 2619 2620 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2621 2622 /* set rate to some reasonable initial value */ 2623 for (i = ni->ni_rates.rs_nrates - 1; 2624 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2625 i--); 2626 ni->ni_txrate = i; 2627 } 2628 2629 int 2630 zyd_activate(device_ptr_t self, enum devact act) 2631 { 2632 struct zyd_softc *sc = (struct zyd_softc *)self; 2633 2634 switch (act) { 2635 case DVACT_ACTIVATE: 2636 break; 2637 2638 case DVACT_DEACTIVATE: 2639 if_deactivate(&sc->sc_if); 2640 break; 2641 } 2642 return 0; 2643 } 2644
Indexes created Mon Oct 13 08:09:50 GMT 2025