if_zyd.c revision 1.55
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.55 2020/01/15 08:21:00 skrll Exp $ */ 3 4 /*- 5 * Copyright (c) 2006 by Damien Bergamini <damien.bergamini (at) free.fr> 6 * Copyright (c) 2006 by Florian Stoehr <ich (at) florian-stoehr.de> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /*- 22 * ZyDAS ZD1211/ZD1211B USB WLAN driver. 23 */ 24 25 #include <sys/cdefs.h> 26 __KERNEL_RCSID(0, "$NetBSD: if_zyd.c,v 1.55 2020/01/15 08:21:00 skrll Exp $"); 27 28 #ifdef _KERNEL_OPT 29 #include "opt_usb.h" 30 #endif 31 32 #include <sys/param.h> 33 #include <sys/sockio.h> 34 #include <sys/proc.h> 35 #include <sys/mbuf.h> 36 #include <sys/kernel.h> 37 #include <sys/kmem.h> 38 #include <sys/socket.h> 39 #include <sys/systm.h> 40 #include <sys/malloc.h> 41 #include <sys/conf.h> 42 #include <sys/device.h> 43 44 #include <sys/bus.h> 45 #include <machine/endian.h> 46 47 #include <net/bpf.h> 48 #include <net/if.h> 49 #include <net/if_arp.h> 50 #include <net/if_dl.h> 51 #include <net/if_ether.h> 52 #include <net/if_media.h> 53 #include <net/if_types.h> 54 55 #include <netinet/in.h> 56 #include <netinet/in_systm.h> 57 #include <netinet/in_var.h> 58 #include <netinet/ip.h> 59 60 #include <net80211/ieee80211_netbsd.h> 61 #include <net80211/ieee80211_var.h> 62 #include <net80211/ieee80211_amrr.h> 63 #include <net80211/ieee80211_radiotap.h> 64 65 #include <dev/firmload.h> 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include <dev/usb/usbdi_util.h> 70 #include <dev/usb/usbdevs.h> 71 72 #include <dev/usb/if_zydreg.h> 73 74 #ifdef ZYD_DEBUG 75 #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0) 76 #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0) 77 int zyddebug = 0; 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n, x) 81 #endif 82 83 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 84 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 85 86 /* various supported device vendors/products */ 87 #define ZYD_ZD1211_DEV(v, p) \ 88 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 } 89 #define ZYD_ZD1211B_DEV(v, p) \ 90 { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B } 91 static const struct zyd_type { 92 struct usb_devno dev; 93 uint8_t rev; 94 #define ZYD_ZD1211 0 95 #define ZYD_ZD1211B 1 96 } zyd_devs[] = { 97 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 98 ZYD_ZD1211_DEV(ABOCOM, WL54), 99 ZYD_ZD1211_DEV(ASUSTEK, WL159G), 100 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 101 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 102 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 103 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 104 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 105 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 106 ZYD_ZD1211_DEV(SAGEM, XG760A), 107 ZYD_ZD1211_DEV(SENAO, NUB8301), 108 ZYD_ZD1211_DEV(SITECOMEU, WL113), 109 ZYD_ZD1211_DEV(SWEEX, ZD1211), 110 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 111 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 112 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 113 ZYD_ZD1211_DEV(TWINMOS, G240), 114 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 115 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 116 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 117 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 118 ZYD_ZD1211_DEV(ZCOM, ZD1211), 119 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 120 ZYD_ZD1211_DEV(ZYXEL, AG225H), 121 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 122 ZYD_ZD1211_DEV(ZYXEL, G200V2), 123 124 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 125 ZYD_ZD1211B_DEV(ACCTON, WN4501H_LF_IR), 126 ZYD_ZD1211B_DEV(ACCTON, WUS201), 127 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 128 ZYD_ZD1211B_DEV(ASUSTEK, A9T_WIFI), 129 ZYD_ZD1211B_DEV(BELKIN, F5D7050C), 130 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 131 ZYD_ZD1211B_DEV(BEWAN, BWIFI_USB54AR), 132 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 133 ZYD_ZD1211B_DEV(CYBERTAN, ZD1211B), 134 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 135 ZYD_ZD1211B_DEV(MELCO, KG54L), 136 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 137 ZYD_ZD1211B_DEV(PHILIPS, SNU5630NS05), 138 ZYD_ZD1211B_DEV(PLANEX2, GWUS54GXS), 139 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 140 ZYD_ZD1211B_DEV(SITECOMEU, WL603), 141 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 142 ZYD_ZD1211B_DEV(SONY, IFU_WLM2), 143 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 144 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1), 145 ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2), 146 ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B), 147 ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B), 148 ZYD_ZD1211B_DEV(USR, USR5423), 149 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 150 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 151 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 152 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B_2), 153 ZYD_ZD1211B_DEV(ZYXEL, M202), 154 ZYD_ZD1211B_DEV(ZYXEL, G220V2), 155 }; 156 #define zyd_lookup(v, p) \ 157 ((const struct zyd_type *)usb_lookup(zyd_devs, v, p)) 158 159 static int zyd_match(device_t, cfdata_t, void *); 160 static void zyd_attach(device_t, device_t, void *); 161 static int zyd_detach(device_t, int); 162 static int zyd_activate(device_t, enum devact); 163 164 165 CFATTACH_DECL_NEW(zyd, sizeof(struct zyd_softc), zyd_match, 166 zyd_attach, zyd_detach, zyd_activate); 167 168 Static void zyd_attachhook(device_t); 169 Static int zyd_complete_attach(struct zyd_softc *); 170 Static int zyd_open_pipes(struct zyd_softc *); 171 Static void zyd_close_pipes(struct zyd_softc *); 172 Static int zyd_alloc_tx_list(struct zyd_softc *); 173 Static void zyd_free_tx_list(struct zyd_softc *); 174 Static int zyd_alloc_rx_list(struct zyd_softc *); 175 Static void zyd_free_rx_list(struct zyd_softc *); 176 Static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *); 177 Static int zyd_media_change(struct ifnet *); 178 Static void zyd_next_scan(void *); 179 Static void zyd_task(void *); 180 Static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); 181 Static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 182 void *, int, u_int); 183 Static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 184 Static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 185 Static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 186 Static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 187 Static int zyd_rfwrite(struct zyd_softc *, uint32_t); 188 Static void zyd_lock_phy(struct zyd_softc *); 189 Static void zyd_unlock_phy(struct zyd_softc *); 190 Static int zyd_rfmd_init(struct zyd_rf *); 191 Static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 192 Static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 193 Static int zyd_al2230_init(struct zyd_rf *); 194 Static int zyd_al2230_switch_radio(struct zyd_rf *, int); 195 Static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 196 Static int zyd_al2230_init_b(struct zyd_rf *); 197 Static int zyd_al7230B_init(struct zyd_rf *); 198 Static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 199 Static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 200 Static int zyd_al2210_init(struct zyd_rf *); 201 Static int zyd_al2210_switch_radio(struct zyd_rf *, int); 202 Static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 203 Static int zyd_gct_init(struct zyd_rf *); 204 Static int zyd_gct_switch_radio(struct zyd_rf *, int); 205 Static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 206 Static int zyd_maxim_init(struct zyd_rf *); 207 Static int zyd_maxim_switch_radio(struct zyd_rf *, int); 208 Static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t); 209 Static int zyd_maxim2_init(struct zyd_rf *); 210 Static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 211 Static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 212 Static int zyd_rf_attach(struct zyd_softc *, uint8_t); 213 Static const char *zyd_rf_name(uint8_t); 214 Static int zyd_hw_init(struct zyd_softc *); 215 Static int zyd_read_eeprom(struct zyd_softc *); 216 Static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 217 Static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 218 Static int zyd_switch_radio(struct zyd_softc *, int); 219 Static void zyd_set_led(struct zyd_softc *, int, int); 220 Static int zyd_set_rxfilter(struct zyd_softc *); 221 Static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 222 Static int zyd_set_beacon_interval(struct zyd_softc *, int); 223 Static uint8_t zyd_plcp_signal(int); 224 Static void zyd_intr(struct usbd_xfer *, void *, usbd_status); 225 Static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t); 226 Static void zyd_rxeof(struct usbd_xfer *, void *, usbd_status); 227 Static void zyd_txeof(struct usbd_xfer *, void *, usbd_status); 228 Static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, 229 struct ieee80211_node *); 230 Static int zyd_tx_data(struct zyd_softc *, struct mbuf *, 231 struct ieee80211_node *); 232 Static void zyd_start(struct ifnet *); 233 Static void zyd_watchdog(struct ifnet *); 234 Static int zyd_ioctl(struct ifnet *, u_long, void *); 235 Static int zyd_init(struct ifnet *); 236 Static void zyd_stop(struct ifnet *, int); 237 Static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t); 238 Static void zyd_iter_func(void *, struct ieee80211_node *); 239 Static void zyd_amrr_timeout(void *); 240 Static void zyd_newassoc(struct ieee80211_node *, int); 241 242 static int 243 zyd_match(device_t parent, cfdata_t match, void *aux) 244 { 245 struct usb_attach_arg *uaa = aux; 246 247 return (zyd_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL) ? 248 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 249 } 250 251 Static void 252 zyd_attachhook(device_t self) 253 { 254 struct zyd_softc *sc = device_private(self); 255 firmware_handle_t fwh; 256 const char *fwname; 257 u_char *fw; 258 size_t size; 259 int error; 260 261 fwname = (sc->mac_rev == ZYD_ZD1211) ? "zyd-zd1211" : "zyd-zd1211b"; 262 if ((error = firmware_open("zyd", fwname, &fwh)) != 0) { 263 aprint_error_dev(sc->sc_dev, 264 "failed to open firmware %s (error=%d)\n", fwname, error); 265 return; 266 } 267 size = firmware_get_size(fwh); 268 fw = firmware_malloc(size); 269 if (fw == NULL) { 270 aprint_error_dev(sc->sc_dev, 271 "failed to allocate firmware memory\n"); 272 firmware_close(fwh); 273 return; 274 } 275 error = firmware_read(fwh, 0, fw, size); 276 firmware_close(fwh); 277 if (error != 0) { 278 aprint_error_dev(sc->sc_dev, 279 "failed to read firmware (error %d)\n", error); 280 firmware_free(fw, size); 281 return; 282 } 283 284 error = zyd_loadfirmware(sc, fw, size); 285 if (error != 0) { 286 aprint_error_dev(sc->sc_dev, 287 "could not load firmware (error=%d)\n", error); 288 firmware_free(fw, size); 289 return; 290 } 291 292 firmware_free(fw, size); 293 294 /* complete the attach process */ 295 if ((error = zyd_complete_attach(sc)) == 0) 296 sc->attached = 1; 297 return; 298 } 299 300 static void 301 zyd_attach(device_t parent, device_t self, void *aux) 302 { 303 struct zyd_softc *sc = device_private(self); 304 struct usb_attach_arg *uaa = aux; 305 char *devinfop; 306 usb_device_descriptor_t* ddesc; 307 struct ifnet *ifp = &sc->sc_if; 308 309 sc->sc_dev = self; 310 sc->sc_udev = uaa->uaa_device; 311 312 aprint_naive("\n"); 313 aprint_normal("\n"); 314 315 devinfop = usbd_devinfo_alloc(uaa->uaa_device, 0); 316 aprint_normal_dev(self, "%s\n", devinfop); 317 usbd_devinfo_free(devinfop); 318 319 sc->mac_rev = zyd_lookup(uaa->uaa_vendor, uaa->uaa_product)->rev; 320 321 ddesc = usbd_get_device_descriptor(sc->sc_udev); 322 if (UGETW(ddesc->bcdDevice) < 0x4330) { 323 aprint_error_dev(self, "device version mismatch: 0x%x " 324 "(only >= 43.30 supported)\n", UGETW(ddesc->bcdDevice)); 325 return; 326 } 327 328 ifp->if_softc = sc; 329 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 330 ifp->if_init = zyd_init; 331 ifp->if_ioctl = zyd_ioctl; 332 ifp->if_start = zyd_start; 333 ifp->if_watchdog = zyd_watchdog; 334 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 335 IFQ_SET_READY(&ifp->if_snd); 336 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 337 338 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB); 339 cv_init(&sc->sc_cmdcv, "zydcmd"); 340 SIMPLEQ_INIT(&sc->sc_rqh); 341 342 /* defer configrations after file system is ready to load firmware */ 343 config_mountroot(self, zyd_attachhook); 344 } 345 346 Static int 347 zyd_complete_attach(struct zyd_softc *sc) 348 { 349 struct ieee80211com *ic = &sc->sc_ic; 350 struct ifnet *ifp = &sc->sc_if; 351 usbd_status error; 352 int i; 353 354 usb_init_task(&sc->sc_task, zyd_task, sc, 0); 355 callout_init(&(sc->sc_scan_ch), 0); 356 357 sc->amrr.amrr_min_success_threshold = 1; 358 sc->amrr.amrr_max_success_threshold = 10; 359 callout_init(&sc->sc_amrr_ch, 0); 360 361 error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1); 362 if (error != 0) { 363 aprint_error_dev(sc->sc_dev, "failed to set configuration" 364 ", err=%s\n", usbd_errstr(error)); 365 goto fail; 366 } 367 368 error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX, 369 &sc->sc_iface); 370 if (error != 0) { 371 aprint_error_dev(sc->sc_dev, 372 "getting interface handle failed\n"); 373 goto fail; 374 } 375 376 if ((error = zyd_open_pipes(sc)) != 0) { 377 aprint_error_dev(sc->sc_dev, "could not open pipes\n"); 378 goto fail; 379 } 380 381 if ((error = zyd_read_eeprom(sc)) != 0) { 382 aprint_error_dev(sc->sc_dev, "could not read EEPROM\n"); 383 goto fail; 384 } 385 386 if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) { 387 aprint_error_dev(sc->sc_dev, "could not attach RF\n"); 388 goto fail; 389 } 390 391 if ((error = zyd_hw_init(sc)) != 0) { 392 aprint_error_dev(sc->sc_dev, 393 "hardware initialization failed\n"); 394 goto fail; 395 } 396 397 aprint_normal_dev(sc->sc_dev, 398 "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n", 399 (sc->mac_rev == ZYD_ZD1211) ? "": "B", 400 sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev), 401 sc->pa_rev, ether_sprintf(ic->ic_myaddr)); 402 403 ic->ic_ifp = ifp; 404 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 405 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 406 ic->ic_state = IEEE80211_S_INIT; 407 408 /* set device capabilities */ 409 ic->ic_caps = 410 IEEE80211_C_MONITOR | /* monitor mode supported */ 411 IEEE80211_C_TXPMGT | /* tx power management */ 412 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 413 IEEE80211_C_WEP; /* s/w WEP */ 414 415 /* set supported .11b and .11g rates */ 416 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 417 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 418 419 /* set supported .11b and .11g channels (1 through 14) */ 420 for (i = 1; i <= 14; i++) { 421 ic->ic_channels[i].ic_freq = 422 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 423 ic->ic_channels[i].ic_flags = 424 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 425 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 426 } 427 428 if_attach(ifp); 429 ieee80211_ifattach(ic); 430 ic->ic_node_alloc = zyd_node_alloc; 431 ic->ic_newassoc = zyd_newassoc; 432 433 /* override state transition machine */ 434 sc->sc_newstate = ic->ic_newstate; 435 ic->ic_newstate = zyd_newstate; 436 ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status); 437 438 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 439 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 440 &sc->sc_drvbpf); 441 442 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 443 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 444 sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); 445 446 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 447 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 448 sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); 449 450 ieee80211_announce(ic); 451 452 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 453 454 fail: return error; 455 } 456 457 static int 458 zyd_detach(device_t self, int flags) 459 { 460 struct zyd_softc *sc = device_private(self); 461 struct ieee80211com *ic = &sc->sc_ic; 462 struct ifnet *ifp = &sc->sc_if; 463 464 if (!sc->attached) 465 return 0; 466 467 mutex_enter(&sc->sc_lock); 468 469 zyd_stop(ifp, 1); 470 callout_halt(&sc->sc_scan_ch, NULL); 471 callout_halt(&sc->sc_amrr_ch, NULL); 472 usb_rem_task_wait(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER, NULL); 473 474 /* Abort, etc. done by zyd_stop */ 475 zyd_close_pipes(sc); 476 477 sc->attached = 0; 478 479 bpf_detach(ifp); 480 ieee80211_ifdetach(ic); 481 if_detach(ifp); 482 483 mutex_exit(&sc->sc_lock); 484 485 mutex_destroy(&sc->sc_lock); 486 cv_destroy(&sc->sc_cmdcv); 487 488 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 489 490 return 0; 491 } 492 493 Static int 494 zyd_open_pipes(struct zyd_softc *sc) 495 { 496 usb_endpoint_descriptor_t *edesc; 497 usbd_status error; 498 499 /* interrupt in */ 500 edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83); 501 if (edesc == NULL) 502 return EINVAL; 503 504 sc->ibuf_size = UGETW(edesc->wMaxPacketSize); 505 if (sc->ibuf_size == 0) /* should not happen */ 506 return EINVAL; 507 508 sc->ibuf = kmem_alloc(sc->ibuf_size, KM_SLEEP); 509 510 error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK, 511 &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, sc->ibuf_size, zyd_intr, 512 USBD_DEFAULT_INTERVAL); 513 if (error != 0) { 514 printf("%s: open rx intr pipe failed: %s\n", 515 device_xname(sc->sc_dev), usbd_errstr(error)); 516 goto fail; 517 } 518 519 /* interrupt out (not necessarily an interrupt pipe) */ 520 error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE, 521 &sc->zyd_ep[ZYD_ENDPT_IOUT]); 522 if (error != 0) { 523 printf("%s: open tx intr pipe failed: %s\n", 524 device_xname(sc->sc_dev), usbd_errstr(error)); 525 goto fail; 526 } 527 528 /* bulk in */ 529 error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE, 530 &sc->zyd_ep[ZYD_ENDPT_BIN]); 531 if (error != 0) { 532 printf("%s: open rx pipe failed: %s\n", 533 device_xname(sc->sc_dev), usbd_errstr(error)); 534 goto fail; 535 } 536 537 /* bulk out */ 538 error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, 539 &sc->zyd_ep[ZYD_ENDPT_BOUT]); 540 if (error != 0) { 541 printf("%s: open tx pipe failed: %s\n", 542 device_xname(sc->sc_dev), usbd_errstr(error)); 543 goto fail; 544 } 545 546 return 0; 547 548 fail: zyd_close_pipes(sc); 549 return error; 550 } 551 552 Static void 553 zyd_close_pipes(struct zyd_softc *sc) 554 { 555 int i; 556 557 for (i = 0; i < ZYD_ENDPT_CNT; i++) { 558 if (sc->zyd_ep[i] != NULL) { 559 usbd_close_pipe(sc->zyd_ep[i]); 560 sc->zyd_ep[i] = NULL; 561 } 562 } 563 if (sc->ibuf != NULL) { 564 kmem_free(sc->ibuf, sc->ibuf_size); 565 sc->ibuf = NULL; 566 } 567 } 568 569 Static int 570 zyd_alloc_tx_list(struct zyd_softc *sc) 571 { 572 int i, error; 573 574 sc->tx_queued = 0; 575 576 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 577 struct zyd_tx_data *data = &sc->tx_data[i]; 578 579 data->sc = sc; /* backpointer for callbacks */ 580 581 error = usbd_create_xfer(sc->zyd_ep[ZYD_ENDPT_BOUT], 582 ZYD_MAX_TXBUFSZ, USBD_FORCE_SHORT_XFER, 0, &data->xfer); 583 if (error) { 584 printf("%s: could not allocate tx xfer\n", 585 device_xname(sc->sc_dev)); 586 goto fail; 587 } 588 data->buf = usbd_get_buffer(data->xfer); 589 590 /* clear Tx descriptor */ 591 memset(data->buf, 0, sizeof(struct zyd_tx_desc)); 592 } 593 return 0; 594 595 fail: zyd_free_tx_list(sc); 596 return error; 597 } 598 599 Static void 600 zyd_free_tx_list(struct zyd_softc *sc) 601 { 602 int i; 603 604 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 605 struct zyd_tx_data *data = &sc->tx_data[i]; 606 607 if (data->xfer != NULL) { 608 usbd_destroy_xfer(data->xfer); 609 data->xfer = NULL; 610 } 611 if (data->ni != NULL) { 612 ieee80211_free_node(data->ni); 613 data->ni = NULL; 614 } 615 } 616 } 617 618 Static int 619 zyd_alloc_rx_list(struct zyd_softc *sc) 620 { 621 int i, error; 622 623 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 624 struct zyd_rx_data *data = &sc->rx_data[i]; 625 626 data->sc = sc; /* backpointer for callbacks */ 627 628 error = usbd_create_xfer(sc->zyd_ep[ZYD_ENDPT_BIN], 629 ZYX_MAX_RXBUFSZ, 0, 0, &data->xfer); 630 if (error) { 631 printf("%s: could not allocate rx xfer\n", 632 device_xname(sc->sc_dev)); 633 goto fail; 634 } 635 data->buf = usbd_get_buffer(data->xfer); 636 } 637 return 0; 638 639 fail: zyd_free_rx_list(sc); 640 return error; 641 } 642 643 Static void 644 zyd_free_rx_list(struct zyd_softc *sc) 645 { 646 int i; 647 648 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 649 struct zyd_rx_data *data = &sc->rx_data[i]; 650 651 if (data->xfer != NULL) { 652 usbd_destroy_xfer(data->xfer); 653 data->xfer = NULL; 654 } 655 } 656 } 657 658 /* ARGUSED */ 659 Static struct ieee80211_node * 660 zyd_node_alloc(struct ieee80211_node_table *nt __unused) 661 { 662 struct zyd_node *zn; 663 664 zn = malloc(sizeof(struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 665 return zn ? &zn->ni : NULL; 666 } 667 668 Static int 669 zyd_media_change(struct ifnet *ifp) 670 { 671 int error; 672 673 error = ieee80211_media_change(ifp); 674 if (error != ENETRESET) 675 return error; 676 677 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 678 zyd_init(ifp); 679 680 return 0; 681 } 682 683 /* 684 * This function is called periodically (every 200ms) during scanning to 685 * switch from one channel to another. 686 */ 687 Static void 688 zyd_next_scan(void *arg) 689 { 690 struct zyd_softc *sc = arg; 691 struct ieee80211com *ic = &sc->sc_ic; 692 693 if (ic->ic_state == IEEE80211_S_SCAN) 694 ieee80211_next_scan(ic); 695 } 696 697 Static void 698 zyd_task(void *arg) 699 { 700 struct zyd_softc *sc = arg; 701 struct ieee80211com *ic = &sc->sc_ic; 702 enum ieee80211_state ostate; 703 704 ostate = ic->ic_state; 705 706 switch (sc->sc_state) { 707 case IEEE80211_S_INIT: 708 if (ostate == IEEE80211_S_RUN) { 709 /* turn link LED off */ 710 zyd_set_led(sc, ZYD_LED1, 0); 711 712 /* stop data LED from blinking */ 713 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 714 } 715 break; 716 717 case IEEE80211_S_SCAN: 718 zyd_set_chan(sc, ic->ic_curchan); 719 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 720 break; 721 722 case IEEE80211_S_AUTH: 723 case IEEE80211_S_ASSOC: 724 zyd_set_chan(sc, ic->ic_curchan); 725 break; 726 727 case IEEE80211_S_RUN: 728 { 729 struct ieee80211_node *ni = ic->ic_bss; 730 731 zyd_set_chan(sc, ic->ic_curchan); 732 733 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 734 /* turn link LED on */ 735 zyd_set_led(sc, ZYD_LED1, 1); 736 737 /* make data LED blink upon Tx */ 738 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 739 740 zyd_set_bssid(sc, ni->ni_bssid); 741 } 742 743 if (ic->ic_opmode == IEEE80211_M_STA) { 744 /* fake a join to init the tx rate */ 745 zyd_newassoc(ni, 1); 746 } 747 748 /* start automatic rate control timer */ 749 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 750 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 751 752 break; 753 } 754 } 755 756 sc->sc_newstate(ic, sc->sc_state, -1); 757 } 758 759 Static int 760 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 761 { 762 struct zyd_softc *sc = ic->ic_ifp->if_softc; 763 764 if (!sc->attached) 765 return ENXIO; 766 767 /* 768 * XXXSMP: This does not wait for the task, if it is in flight, 769 * to complete. If this code works at all, it must rely on the 770 * kernel lock to serialize with the USB task thread. 771 */ 772 usb_rem_task(sc->sc_udev, &sc->sc_task); 773 callout_stop(&sc->sc_scan_ch); 774 callout_stop(&sc->sc_amrr_ch); 775 776 /* do it in a process context */ 777 sc->sc_state = nstate; 778 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 779 780 return 0; 781 } 782 783 Static int 784 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 785 void *odata, int olen, u_int flags) 786 { 787 struct usbd_xfer *xfer; 788 struct zyd_cmd cmd; 789 struct rq rq; 790 uint16_t xferflags; 791 int error; 792 usbd_status uerror; 793 794 error = usbd_create_xfer(sc->zyd_ep[ZYD_ENDPT_IOUT], 795 sizeof(uint16_t) + ilen, USBD_FORCE_SHORT_XFER, 0, &xfer); 796 if (error) 797 return error; 798 799 cmd.code = htole16(code); 800 memcpy(cmd.data, idata, ilen); 801 802 xferflags = USBD_FORCE_SHORT_XFER; 803 if (!(flags & ZYD_CMD_FLAG_READ)) 804 xferflags |= USBD_SYNCHRONOUS; 805 else { 806 rq.idata = idata; 807 rq.odata = odata; 808 rq.len = olen / sizeof(struct zyd_pair); 809 mutex_enter(&sc->sc_lock); 810 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 811 mutex_exit(&sc->sc_lock); 812 } 813 814 usbd_setup_xfer(xfer, 0, &cmd, sizeof(uint16_t) + ilen, xferflags, 815 ZYD_INTR_TIMEOUT, NULL); 816 uerror = usbd_transfer(xfer); 817 if (uerror != USBD_IN_PROGRESS && uerror != 0) { 818 printf("%s: could not send command (error=%s)\n", 819 device_xname(sc->sc_dev), usbd_errstr(uerror)); 820 (void)usbd_destroy_xfer(xfer); 821 return EIO; 822 } 823 if (!(flags & ZYD_CMD_FLAG_READ)) { 824 (void)usbd_destroy_xfer(xfer); 825 return 0; /* write: don't wait for reply */ 826 } 827 /* wait at most one second for command reply */ 828 mutex_enter(&sc->sc_lock); 829 error = cv_timedwait_sig(&sc->sc_cmdcv, &sc->sc_lock, hz); 830 if (error == EWOULDBLOCK) 831 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 832 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 833 mutex_exit(&sc->sc_lock); 834 835 (void)usbd_destroy_xfer(xfer); 836 return error; 837 } 838 839 Static int 840 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 841 { 842 struct zyd_pair tmp; 843 int error; 844 845 reg = htole16(reg); 846 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 847 ZYD_CMD_FLAG_READ); 848 if (error == 0) 849 *val = le16toh(tmp.val); 850 else 851 *val = 0; 852 return error; 853 } 854 855 Static int 856 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 857 { 858 struct zyd_pair tmp[2]; 859 uint16_t regs[2]; 860 int error; 861 862 regs[0] = htole16(ZYD_REG32_HI(reg)); 863 regs[1] = htole16(ZYD_REG32_LO(reg)); 864 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 865 ZYD_CMD_FLAG_READ); 866 if (error == 0) 867 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 868 else 869 *val = 0; 870 return error; 871 } 872 873 Static int 874 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 875 { 876 struct zyd_pair pair; 877 878 pair.reg = htole16(reg); 879 pair.val = htole16(val); 880 881 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 882 } 883 884 Static int 885 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 886 { 887 struct zyd_pair pair[2]; 888 889 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 890 pair[0].val = htole16(val >> 16); 891 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 892 pair[1].val = htole16(val & 0xffff); 893 894 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 895 } 896 897 Static int 898 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 899 { 900 struct zyd_rf *rf = &sc->sc_rf; 901 struct zyd_rfwrite req; 902 uint16_t cr203; 903 int i; 904 905 (void)zyd_read16(sc, ZYD_CR203, &cr203); 906 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 907 908 req.code = htole16(2); 909 req.width = htole16(rf->width); 910 for (i = 0; i < rf->width; i++) { 911 req.bit[i] = htole16(cr203); 912 if (val & (1 << (rf->width - 1 - i))) 913 req.bit[i] |= htole16(ZYD_RF_DATA); 914 } 915 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 916 } 917 918 Static void 919 zyd_lock_phy(struct zyd_softc *sc) 920 { 921 uint32_t tmp; 922 923 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 924 tmp &= ~ZYD_UNLOCK_PHY_REGS; 925 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 926 } 927 928 Static void 929 zyd_unlock_phy(struct zyd_softc *sc) 930 { 931 uint32_t tmp; 932 933 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 934 tmp |= ZYD_UNLOCK_PHY_REGS; 935 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 936 } 937 938 /* 939 * RFMD RF methods. 940 */ 941 Static int 942 zyd_rfmd_init(struct zyd_rf *rf) 943 { 944 struct zyd_softc *sc = rf->rf_sc; 945 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 946 static const uint32_t rfini[] = ZYD_RFMD_RF; 947 int error; 948 size_t i; 949 950 /* init RF-dependent PHY registers */ 951 for (i = 0; i < __arraycount(phyini); i++) { 952 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 953 if (error != 0) 954 return error; 955 } 956 957 /* init RFMD radio */ 958 for (i = 0; i < __arraycount(rfini); i++) { 959 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 960 return error; 961 } 962 return 0; 963 } 964 965 Static int 966 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 967 { 968 struct zyd_softc *sc = rf->rf_sc; 969 970 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 971 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 972 973 return 0; 974 } 975 976 Static int 977 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 978 { 979 struct zyd_softc *sc = rf->rf_sc; 980 static const struct { 981 uint32_t r1, r2; 982 } rfprog[] = ZYD_RFMD_CHANTABLE; 983 984 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 985 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 986 987 return 0; 988 } 989 990 /* 991 * AL2230 RF methods. 992 */ 993 Static int 994 zyd_al2230_init(struct zyd_rf *rf) 995 { 996 struct zyd_softc *sc = rf->rf_sc; 997 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 998 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 999 static const uint32_t rfini[] = ZYD_AL2230_RF; 1000 int error; 1001 size_t i; 1002 1003 /* init RF-dependent PHY registers */ 1004 for (i = 0; i < __arraycount(phyini); i++) { 1005 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1006 if (error != 0) 1007 return error; 1008 } 1009 1010 if (sc->rf_rev == ZYD_RF_AL2230S) { 1011 for (i = 0; i < __arraycount(phy2230s); i++) { 1012 error = zyd_write16(sc, phy2230s[i].reg, 1013 phy2230s[i].val); 1014 if (error != 0) 1015 return error; 1016 } 1017 } 1018 1019 /* init AL2230 radio */ 1020 for (i = 0; i < __arraycount(rfini); i++) { 1021 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1022 return error; 1023 } 1024 return 0; 1025 } 1026 1027 Static int 1028 zyd_al2230_init_b(struct zyd_rf *rf) 1029 { 1030 struct zyd_softc *sc = rf->rf_sc; 1031 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1032 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1033 int error; 1034 size_t i; 1035 1036 /* init RF-dependent PHY registers */ 1037 for (i = 0; i < __arraycount(phyini); i++) { 1038 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1039 if (error != 0) 1040 return error; 1041 } 1042 1043 /* init AL2230 radio */ 1044 for (i = 0; i < __arraycount(rfini); i++) { 1045 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1046 return error; 1047 } 1048 return 0; 1049 } 1050 1051 Static int 1052 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1053 { 1054 struct zyd_softc *sc = rf->rf_sc; 1055 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1056 1057 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1058 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1059 1060 return 0; 1061 } 1062 1063 Static int 1064 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1065 { 1066 struct zyd_softc *sc = rf->rf_sc; 1067 static const struct { 1068 uint32_t r1, r2, r3; 1069 } rfprog[] = ZYD_AL2230_CHANTABLE; 1070 1071 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1072 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1073 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1074 1075 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1076 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1077 1078 return 0; 1079 } 1080 1081 /* 1082 * AL7230B RF methods. 1083 */ 1084 Static int 1085 zyd_al7230B_init(struct zyd_rf *rf) 1086 { 1087 struct zyd_softc *sc = rf->rf_sc; 1088 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1089 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1090 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1091 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1092 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1093 int error; 1094 size_t i; 1095 1096 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1097 1098 /* init RF-dependent PHY registers, part one */ 1099 for (i = 0; i < __arraycount(phyini_1); i++) { 1100 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1101 if (error != 0) 1102 return error; 1103 } 1104 /* init AL7230B radio, part one */ 1105 for (i = 0; i < __arraycount(rfini_1); i++) { 1106 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1107 return error; 1108 } 1109 /* init RF-dependent PHY registers, part two */ 1110 for (i = 0; i < __arraycount(phyini_2); i++) { 1111 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1112 if (error != 0) 1113 return error; 1114 } 1115 /* init AL7230B radio, part two */ 1116 for (i = 0; i < __arraycount(rfini_2); i++) { 1117 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1118 return error; 1119 } 1120 /* init RF-dependent PHY registers, part three */ 1121 for (i = 0; i < __arraycount(phyini_3); i++) { 1122 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1123 if (error != 0) 1124 return error; 1125 } 1126 1127 return 0; 1128 } 1129 1130 Static int 1131 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1132 { 1133 struct zyd_softc *sc = rf->rf_sc; 1134 1135 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1136 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1137 1138 return 0; 1139 } 1140 1141 Static int 1142 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1143 { 1144 struct zyd_softc *sc = rf->rf_sc; 1145 static const struct { 1146 uint32_t r1, r2; 1147 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1148 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1149 int error; 1150 size_t i; 1151 1152 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1153 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1154 1155 for (i = 0; i < __arraycount(rfsc); i++) { 1156 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1157 return error; 1158 } 1159 1160 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1161 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1162 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1163 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1164 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1165 1166 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1167 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1168 (void)zyd_rfwrite(sc, 0x3c9000); 1169 1170 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1171 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1172 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1173 1174 return 0; 1175 } 1176 1177 /* 1178 * AL2210 RF methods. 1179 */ 1180 Static int 1181 zyd_al2210_init(struct zyd_rf *rf) 1182 { 1183 struct zyd_softc *sc = rf->rf_sc; 1184 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1185 static const uint32_t rfini[] = ZYD_AL2210_RF; 1186 uint32_t tmp; 1187 int error; 1188 size_t i; 1189 1190 (void)zyd_write32(sc, ZYD_CR18, 2); 1191 1192 /* init RF-dependent PHY registers */ 1193 for (i = 0; i < __arraycount(phyini); i++) { 1194 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1195 if (error != 0) 1196 return error; 1197 } 1198 /* init AL2210 radio */ 1199 for (i = 0; i < __arraycount(rfini); i++) { 1200 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1201 return error; 1202 } 1203 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1204 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1205 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1206 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1207 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1208 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1209 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1210 (void)zyd_write32(sc, ZYD_CR18, 3); 1211 1212 return 0; 1213 } 1214 1215 Static int 1216 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1217 { 1218 /* vendor driver does nothing for this RF chip */ 1219 1220 return 0; 1221 } 1222 1223 Static int 1224 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1225 { 1226 struct zyd_softc *sc = rf->rf_sc; 1227 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1228 uint32_t tmp; 1229 1230 (void)zyd_write32(sc, ZYD_CR18, 2); 1231 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1232 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1233 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1234 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1235 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1236 1237 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1238 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1239 1240 /* actually set the channel */ 1241 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1242 1243 (void)zyd_write32(sc, ZYD_CR18, 3); 1244 1245 return 0; 1246 } 1247 1248 /* 1249 * GCT RF methods. 1250 */ 1251 Static int 1252 zyd_gct_init(struct zyd_rf *rf) 1253 { 1254 struct zyd_softc *sc = rf->rf_sc; 1255 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1256 static const uint32_t rfini[] = ZYD_GCT_RF; 1257 int error; 1258 size_t i; 1259 1260 /* init RF-dependent PHY registers */ 1261 for (i = 0; i < __arraycount(phyini); i++) { 1262 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1263 if (error != 0) 1264 return error; 1265 } 1266 /* init cgt radio */ 1267 for (i = 0; i < __arraycount(rfini); i++) { 1268 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1269 return error; 1270 } 1271 return 0; 1272 } 1273 1274 Static int 1275 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1276 { 1277 /* vendor driver does nothing for this RF chip */ 1278 1279 return 0; 1280 } 1281 1282 Static int 1283 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1284 { 1285 struct zyd_softc *sc = rf->rf_sc; 1286 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1287 1288 (void)zyd_rfwrite(sc, 0x1c0000); 1289 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1290 (void)zyd_rfwrite(sc, 0x1c0008); 1291 1292 return 0; 1293 } 1294 1295 /* 1296 * Maxim RF methods. 1297 */ 1298 Static int 1299 zyd_maxim_init(struct zyd_rf *rf) 1300 { 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 error; 1306 size_t i; 1307 1308 /* init RF-dependent PHY registers */ 1309 for (i = 0; i < __arraycount(phyini); i++) { 1310 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1311 if (error != 0) 1312 return error; 1313 } 1314 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1315 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1316 1317 /* init maxim radio */ 1318 for (i = 0; i < __arraycount(rfini); i++) { 1319 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1320 return error; 1321 } 1322 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1323 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1324 1325 return 0; 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 struct zyd_softc *sc = rf->rf_sc; 1340 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1341 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1342 static const struct { 1343 uint32_t r1, r2; 1344 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1345 uint16_t tmp; 1346 int error; 1347 size_t i; 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 < __arraycount(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 < __arraycount(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 } 1377 1378 /* 1379 * Maxim2 RF methods. 1380 */ 1381 Static int 1382 zyd_maxim2_init(struct zyd_rf *rf) 1383 { 1384 struct zyd_softc *sc = rf->rf_sc; 1385 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1386 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1387 uint16_t tmp; 1388 int error; 1389 size_t i; 1390 1391 /* init RF-dependent PHY registers */ 1392 for (i = 0; i < __arraycount(phyini); i++) { 1393 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1394 if (error != 0) 1395 return error; 1396 } 1397 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1398 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1399 1400 /* init maxim2 radio */ 1401 for (i = 0; i < __arraycount(rfini); i++) { 1402 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1403 return error; 1404 } 1405 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1406 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1407 1408 return 0; 1409 } 1410 1411 Static int 1412 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1413 { 1414 /* vendor driver does nothing for this RF chip */ 1415 1416 return 0; 1417 } 1418 1419 Static int 1420 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1421 { 1422 struct zyd_softc *sc = rf->rf_sc; 1423 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1424 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1425 static const struct { 1426 uint32_t r1, r2; 1427 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1428 uint16_t tmp; 1429 int error; 1430 size_t i; 1431 1432 /* 1433 * Do the same as we do when initializing it, except for the channel 1434 * values coming from the two channel tables. 1435 */ 1436 1437 /* init RF-dependent PHY registers */ 1438 for (i = 0; i < __arraycount(phyini); i++) { 1439 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1440 if (error != 0) 1441 return error; 1442 } 1443 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1444 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1445 1446 /* first two values taken from the chantables */ 1447 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1448 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1449 1450 /* init maxim2 radio - skipping the two first values */ 1451 for (i = 2; i < __arraycount(rfini); i++) { 1452 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1453 return error; 1454 } 1455 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1456 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1457 1458 return 0; 1459 } 1460 1461 Static int 1462 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1463 { 1464 struct zyd_rf *rf = &sc->sc_rf; 1465 1466 rf->rf_sc = sc; 1467 1468 switch (type) { 1469 case ZYD_RF_RFMD: 1470 rf->init = zyd_rfmd_init; 1471 rf->switch_radio = zyd_rfmd_switch_radio; 1472 rf->set_channel = zyd_rfmd_set_channel; 1473 rf->width = 24; /* 24-bit RF values */ 1474 break; 1475 case ZYD_RF_AL2230: 1476 case ZYD_RF_AL2230S: 1477 if (sc->mac_rev == ZYD_ZD1211B) 1478 rf->init = zyd_al2230_init_b; 1479 else 1480 rf->init = zyd_al2230_init; 1481 rf->switch_radio = zyd_al2230_switch_radio; 1482 rf->set_channel = zyd_al2230_set_channel; 1483 rf->width = 24; /* 24-bit RF values */ 1484 break; 1485 case ZYD_RF_AL7230B: 1486 rf->init = zyd_al7230B_init; 1487 rf->switch_radio = zyd_al7230B_switch_radio; 1488 rf->set_channel = zyd_al7230B_set_channel; 1489 rf->width = 24; /* 24-bit RF values */ 1490 break; 1491 case ZYD_RF_AL2210: 1492 rf->init = zyd_al2210_init; 1493 rf->switch_radio = zyd_al2210_switch_radio; 1494 rf->set_channel = zyd_al2210_set_channel; 1495 rf->width = 24; /* 24-bit RF values */ 1496 break; 1497 case ZYD_RF_GCT: 1498 rf->init = zyd_gct_init; 1499 rf->switch_radio = zyd_gct_switch_radio; 1500 rf->set_channel = zyd_gct_set_channel; 1501 rf->width = 21; /* 21-bit RF values */ 1502 break; 1503 case ZYD_RF_MAXIM_NEW: 1504 rf->init = zyd_maxim_init; 1505 rf->switch_radio = zyd_maxim_switch_radio; 1506 rf->set_channel = zyd_maxim_set_channel; 1507 rf->width = 18; /* 18-bit RF values */ 1508 break; 1509 case ZYD_RF_MAXIM_NEW2: 1510 rf->init = zyd_maxim2_init; 1511 rf->switch_radio = zyd_maxim2_switch_radio; 1512 rf->set_channel = zyd_maxim2_set_channel; 1513 rf->width = 18; /* 18-bit RF values */ 1514 break; 1515 default: 1516 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1517 device_xname(sc->sc_dev), zyd_rf_name(type)); 1518 return EINVAL; 1519 } 1520 return 0; 1521 } 1522 1523 Static const char * 1524 zyd_rf_name(uint8_t type) 1525 { 1526 static const char * const zyd_rfs[] = { 1527 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1528 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1529 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1530 "PHILIPS" 1531 }; 1532 1533 return zyd_rfs[(type > 15) ? 0 : type]; 1534 } 1535 1536 Static int 1537 zyd_hw_init(struct zyd_softc *sc) 1538 { 1539 struct zyd_rf *rf = &sc->sc_rf; 1540 const struct zyd_phy_pair *phyp; 1541 int error; 1542 1543 /* specify that the plug and play is finished */ 1544 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1545 1546 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1547 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1548 1549 /* retrieve firmware revision number */ 1550 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1551 1552 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1553 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1554 1555 /* disable interrupts */ 1556 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1557 1558 /* PHY init */ 1559 zyd_lock_phy(sc); 1560 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1561 for (; phyp->reg != 0; phyp++) { 1562 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1563 goto fail; 1564 } 1565 zyd_unlock_phy(sc); 1566 1567 /* HMAC init */ 1568 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1569 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1570 1571 if (sc->mac_rev == ZYD_ZD1211) { 1572 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1573 } else { 1574 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1575 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1576 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1577 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1578 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1579 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1580 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1581 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1582 } 1583 1584 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1585 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1586 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1587 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1588 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1589 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1590 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1591 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1592 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1593 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1594 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1595 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1596 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1597 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1598 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1599 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1600 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1601 1602 /* RF chip init */ 1603 zyd_lock_phy(sc); 1604 error = (*rf->init)(rf); 1605 zyd_unlock_phy(sc); 1606 if (error != 0) { 1607 printf("%s: radio initialization failed\n", 1608 device_xname(sc->sc_dev)); 1609 goto fail; 1610 } 1611 1612 /* init beacon interval to 100ms */ 1613 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1614 goto fail; 1615 1616 fail: return error; 1617 } 1618 1619 Static int 1620 zyd_read_eeprom(struct zyd_softc *sc) 1621 { 1622 struct ieee80211com *ic = &sc->sc_ic; 1623 uint32_t tmp; 1624 uint16_t val; 1625 int i; 1626 1627 /* read MAC address */ 1628 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1629 ic->ic_myaddr[0] = tmp & 0xff; 1630 ic->ic_myaddr[1] = tmp >> 8; 1631 ic->ic_myaddr[2] = tmp >> 16; 1632 ic->ic_myaddr[3] = tmp >> 24; 1633 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1634 ic->ic_myaddr[4] = tmp & 0xff; 1635 ic->ic_myaddr[5] = tmp >> 8; 1636 1637 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1638 sc->rf_rev = tmp & 0x0f; 1639 sc->pa_rev = (tmp >> 16) & 0x0f; 1640 1641 /* read regulatory domain (currently unused) */ 1642 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1643 sc->regdomain = tmp >> 16; 1644 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1645 1646 /* read Tx power calibration tables */ 1647 for (i = 0; i < 7; i++) { 1648 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1649 sc->pwr_cal[i * 2] = val >> 8; 1650 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1651 1652 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1653 sc->pwr_int[i * 2] = val >> 8; 1654 sc->pwr_int[i * 2 + 1] = val & 0xff; 1655 1656 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1657 sc->ofdm36_cal[i * 2] = val >> 8; 1658 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1659 1660 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1661 sc->ofdm48_cal[i * 2] = val >> 8; 1662 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1663 1664 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1665 sc->ofdm54_cal[i * 2] = val >> 8; 1666 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1667 } 1668 return 0; 1669 } 1670 1671 Static int 1672 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1673 { 1674 uint32_t tmp; 1675 1676 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1677 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1678 1679 tmp = addr[5] << 8 | addr[4]; 1680 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1681 1682 return 0; 1683 } 1684 1685 Static int 1686 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1687 { 1688 uint32_t tmp; 1689 1690 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1691 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1692 1693 tmp = addr[5] << 8 | addr[4]; 1694 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1695 1696 return 0; 1697 } 1698 1699 Static int 1700 zyd_switch_radio(struct zyd_softc *sc, int on) 1701 { 1702 struct zyd_rf *rf = &sc->sc_rf; 1703 int error; 1704 1705 zyd_lock_phy(sc); 1706 error = (*rf->switch_radio)(rf, on); 1707 zyd_unlock_phy(sc); 1708 1709 return error; 1710 } 1711 1712 Static void 1713 zyd_set_led(struct zyd_softc *sc, int which, int on) 1714 { 1715 uint32_t tmp; 1716 1717 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1718 tmp &= ~which; 1719 if (on) 1720 tmp |= which; 1721 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1722 } 1723 1724 Static int 1725 zyd_set_rxfilter(struct zyd_softc *sc) 1726 { 1727 uint32_t rxfilter; 1728 1729 switch (sc->sc_ic.ic_opmode) { 1730 case IEEE80211_M_STA: 1731 rxfilter = ZYD_FILTER_BSS; 1732 break; 1733 case IEEE80211_M_IBSS: 1734 case IEEE80211_M_HOSTAP: 1735 rxfilter = ZYD_FILTER_HOSTAP; 1736 break; 1737 case IEEE80211_M_MONITOR: 1738 rxfilter = ZYD_FILTER_MONITOR; 1739 break; 1740 default: 1741 /* should not get there */ 1742 return EINVAL; 1743 } 1744 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1745 } 1746 1747 Static void 1748 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1749 { 1750 struct ieee80211com *ic = &sc->sc_ic; 1751 struct zyd_rf *rf = &sc->sc_rf; 1752 u_int chan; 1753 1754 chan = ieee80211_chan2ieee(ic, c); 1755 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1756 return; 1757 1758 zyd_lock_phy(sc); 1759 1760 (*rf->set_channel)(rf, chan); 1761 1762 /* update Tx power */ 1763 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1764 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1765 1766 if (sc->mac_rev == ZYD_ZD1211B) { 1767 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1768 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1769 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1770 1771 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1772 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1773 } 1774 1775 zyd_unlock_phy(sc); 1776 } 1777 1778 Static int 1779 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1780 { 1781 /* XXX this is probably broken.. */ 1782 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1783 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1784 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1785 1786 return 0; 1787 } 1788 1789 Static uint8_t 1790 zyd_plcp_signal(int rate) 1791 { 1792 switch (rate) { 1793 /* CCK rates (returned values are device-dependent) */ 1794 case 2: return 0x0; 1795 case 4: return 0x1; 1796 case 11: return 0x2; 1797 case 22: return 0x3; 1798 1799 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1800 case 12: return 0xb; 1801 case 18: return 0xf; 1802 case 24: return 0xa; 1803 case 36: return 0xe; 1804 case 48: return 0x9; 1805 case 72: return 0xd; 1806 case 96: return 0x8; 1807 case 108: return 0xc; 1808 1809 /* unsupported rates (should not get there) */ 1810 default: return 0xff; 1811 } 1812 } 1813 1814 Static void 1815 zyd_intr(struct usbd_xfer *xfer, void * priv, usbd_status status) 1816 { 1817 struct zyd_softc *sc = (struct zyd_softc *)priv; 1818 struct zyd_cmd *cmd; 1819 uint32_t datalen; 1820 1821 if (status != USBD_NORMAL_COMPLETION) { 1822 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1823 return; 1824 1825 if (status == USBD_STALLED) { 1826 usbd_clear_endpoint_stall_async( 1827 sc->zyd_ep[ZYD_ENDPT_IIN]); 1828 } 1829 return; 1830 } 1831 1832 cmd = (struct zyd_cmd *)sc->ibuf; 1833 1834 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1835 struct zyd_notif_retry *retry = 1836 (struct zyd_notif_retry *)cmd->data; 1837 struct ieee80211com *ic = &sc->sc_ic; 1838 struct ifnet *ifp = &sc->sc_if; 1839 struct ieee80211_node *ni; 1840 1841 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1842 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1843 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1844 1845 /* 1846 * Find the node to which the packet was sent and update its 1847 * retry statistics. In BSS mode, this node is the AP we're 1848 * associated to so no lookup is actually needed. 1849 */ 1850 if (ic->ic_opmode != IEEE80211_M_STA) { 1851 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1852 if (ni == NULL) 1853 return; /* just ignore */ 1854 } else 1855 ni = ic->ic_bss; 1856 1857 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1858 1859 if (le16toh(retry->count) & 0x100) 1860 ifp->if_oerrors++; /* too many retries */ 1861 1862 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1863 struct rq *rqp; 1864 1865 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1866 return; /* HMAC interrupt */ 1867 1868 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1869 datalen -= sizeof(cmd->code); 1870 datalen -= 2; /* XXX: padding? */ 1871 1872 mutex_enter(&sc->sc_lock); 1873 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1874 int i; 1875 1876 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1877 continue; 1878 for (i = 0; i < rqp->len; i++) { 1879 if (*(((const uint16_t *)rqp->idata) + i) != 1880 (((struct zyd_pair *)cmd->data) + i)->reg) 1881 break; 1882 } 1883 if (i != rqp->len) 1884 continue; 1885 1886 /* copy answer into caller-supplied buffer */ 1887 memcpy(rqp->odata, cmd->data, 1888 sizeof(struct zyd_pair) * rqp->len); 1889 cv_signal(&sc->sc_cmdcv); 1890 mutex_exit(&sc->sc_lock); 1891 return; 1892 } 1893 mutex_exit(&sc->sc_lock); 1894 return; /* unexpected IORD notification */ 1895 } else { 1896 printf("%s: unknown notification %x\n", device_xname(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 device_xname(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 device_xname(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 device_xname(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 device_xname(sc->sc_dev)); 1948 m_freem(m); 1949 ifp->if_ierrors++; 1950 return; 1951 } 1952 } 1953 m_set_rcvif(m, ifp); 1954 m->m_pkthdr.len = m->m_len = rlen; 1955 memcpy(mtod(m, uint8_t *), (const uint8_t *)(plcp + 1), rlen); 1956 1957 s = splnet(); 1958 1959 if (sc->sc_drvbpf != NULL) { 1960 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1961 static const uint8_t rates[] = { 1962 /* reverse function of zyd_plcp_signal() */ 1963 2, 4, 11, 22, 0, 0, 0, 0, 1964 96, 48, 24, 12, 108, 72, 36, 18 1965 }; 1966 1967 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1968 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1969 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1970 tap->wr_rssi = stat->rssi; 1971 tap->wr_rate = rates[plcp->signal & 0xf]; 1972 1973 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN); 1974 } 1975 1976 wh = mtod(m, struct ieee80211_frame *); 1977 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1978 ieee80211_input(ic, m, ni, stat->rssi, 0); 1979 1980 /* node is no longer needed */ 1981 ieee80211_free_node(ni); 1982 1983 splx(s); 1984 } 1985 1986 Static void 1987 zyd_rxeof(struct usbd_xfer *xfer, void * priv, usbd_status status) 1988 { 1989 struct zyd_rx_data *data = priv; 1990 struct zyd_softc *sc = data->sc; 1991 struct ifnet *ifp = &sc->sc_if; 1992 const struct zyd_rx_desc *desc; 1993 int len; 1994 1995 if (status != USBD_NORMAL_COMPLETION) { 1996 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1997 return; 1998 1999 if (status == USBD_STALLED) 2000 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2001 2002 goto skip; 2003 } 2004 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2005 2006 if (len < ZYD_MIN_RXBUFSZ) { 2007 printf("%s: xfer too short (length=%d)\n", 2008 device_xname(sc->sc_dev), len); 2009 ifp->if_ierrors++; 2010 goto skip; 2011 } 2012 2013 desc = (const struct zyd_rx_desc *) 2014 (data->buf + len - sizeof(struct zyd_rx_desc)); 2015 2016 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2017 const uint8_t *p = data->buf, *end = p + len; 2018 int i; 2019 2020 DPRINTFN(3, ("received multi-frame transfer\n")); 2021 2022 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2023 const uint16_t len16 = UGETW(desc->len[i]); 2024 2025 if (len16 == 0 || p + len16 > end) 2026 break; 2027 2028 zyd_rx_data(sc, p, len16); 2029 /* next frame is aligned on a 32-bit boundary */ 2030 p += (len16 + 3) & ~3; 2031 } 2032 } else { 2033 DPRINTFN(3, ("received single-frame transfer\n")); 2034 2035 zyd_rx_data(sc, data->buf, len); 2036 } 2037 2038 skip: /* setup a new transfer */ 2039 2040 usbd_setup_xfer(xfer, data, NULL, ZYX_MAX_RXBUFSZ, USBD_SHORT_XFER_OK, 2041 USBD_NO_TIMEOUT, zyd_rxeof); 2042 (void)usbd_transfer(xfer); 2043 } 2044 2045 Static int 2046 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2047 { 2048 struct ieee80211com *ic = &sc->sc_ic; 2049 struct ifnet *ifp = &sc->sc_if; 2050 struct zyd_tx_desc *desc; 2051 struct zyd_tx_data *data; 2052 struct ieee80211_frame *wh; 2053 struct ieee80211_key *k; 2054 int xferlen, totlen, rate; 2055 uint16_t pktlen; 2056 usbd_status error; 2057 2058 data = &sc->tx_data[0]; 2059 desc = (struct zyd_tx_desc *)data->buf; 2060 2061 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2062 2063 wh = mtod(m0, struct ieee80211_frame *); 2064 2065 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2066 k = ieee80211_crypto_encap(ic, ni, m0); 2067 if (k == NULL) { 2068 m_freem(m0); 2069 return ENOBUFS; 2070 } 2071 } 2072 2073 data->ni = ni; 2074 2075 wh = mtod(m0, struct ieee80211_frame *); 2076 2077 xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len; 2078 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2079 2080 /* fill Tx descriptor */ 2081 desc->len = htole16(totlen); 2082 2083 desc->flags = ZYD_TX_FLAG_BACKOFF; 2084 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2085 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2086 if (totlen > ic->ic_rtsthreshold) { 2087 desc->flags |= ZYD_TX_FLAG_RTS; 2088 } else if (ZYD_RATE_IS_OFDM(rate) && 2089 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2090 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2091 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2092 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2093 desc->flags |= ZYD_TX_FLAG_RTS; 2094 } 2095 } else 2096 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2097 2098 if ((wh->i_fc[0] & 2099 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2100 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2101 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2102 2103 desc->phy = zyd_plcp_signal(rate); 2104 if (ZYD_RATE_IS_OFDM(rate)) { 2105 desc->phy |= ZYD_TX_PHY_OFDM; 2106 if (ic->ic_curmode == IEEE80211_MODE_11A) 2107 desc->phy |= ZYD_TX_PHY_5GHZ; 2108 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2109 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2110 2111 /* actual transmit length (XXX why +10?) */ 2112 pktlen = sizeof(struct zyd_tx_desc) + 10; 2113 if (sc->mac_rev == ZYD_ZD1211) 2114 pktlen += totlen; 2115 desc->pktlen = htole16(pktlen); 2116 2117 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2118 desc->plcp_service = 0; 2119 if (rate == 22) { 2120 const int remainder = (16 * totlen) % 22; 2121 if (remainder != 0 && remainder < 7) 2122 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2123 } 2124 2125 if (sc->sc_drvbpf != NULL) { 2126 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2127 2128 tap->wt_flags = 0; 2129 tap->wt_rate = rate; 2130 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2131 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2132 2133 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0, BPF_D_OUT); 2134 } 2135 2136 m_copydata(m0, 0, m0->m_pkthdr.len, 2137 data->buf + sizeof(struct zyd_tx_desc)); 2138 2139 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2140 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2141 2142 m_freem(m0); /* mbuf no longer needed */ 2143 2144 usbd_setup_xfer(data->xfer, data, data->buf, xferlen, 2145 USBD_FORCE_SHORT_XFER, ZYD_TX_TIMEOUT, zyd_txeof); 2146 error = usbd_transfer(data->xfer); 2147 if (error != USBD_IN_PROGRESS && error != 0) { 2148 ifp->if_oerrors++; 2149 return EIO; 2150 } 2151 sc->tx_queued++; 2152 2153 return 0; 2154 } 2155 2156 Static void 2157 zyd_txeof(struct usbd_xfer *xfer, void * priv, usbd_status status) 2158 { 2159 struct zyd_tx_data *data = priv; 2160 struct zyd_softc *sc = data->sc; 2161 struct ifnet *ifp = &sc->sc_if; 2162 int s; 2163 2164 if (status != USBD_NORMAL_COMPLETION) { 2165 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2166 return; 2167 2168 printf("%s: could not transmit buffer: %s\n", 2169 device_xname(sc->sc_dev), usbd_errstr(status)); 2170 2171 if (status == USBD_STALLED) { 2172 usbd_clear_endpoint_stall_async( 2173 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2174 } 2175 ifp->if_oerrors++; 2176 return; 2177 } 2178 2179 s = splnet(); 2180 2181 /* update rate control statistics */ 2182 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2183 2184 ieee80211_free_node(data->ni); 2185 data->ni = NULL; 2186 2187 sc->tx_queued--; 2188 ifp->if_opackets++; 2189 2190 sc->tx_timer = 0; 2191 ifp->if_flags &= ~IFF_OACTIVE; 2192 zyd_start(ifp); 2193 2194 splx(s); 2195 } 2196 2197 Static int 2198 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2199 { 2200 struct ieee80211com *ic = &sc->sc_ic; 2201 struct ifnet *ifp = &sc->sc_if; 2202 struct zyd_tx_desc *desc; 2203 struct zyd_tx_data *data; 2204 struct ieee80211_frame *wh; 2205 struct ieee80211_key *k; 2206 int xferlen, totlen, rate; 2207 uint16_t pktlen; 2208 usbd_status error; 2209 2210 wh = mtod(m0, struct ieee80211_frame *); 2211 2212 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2213 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2214 else 2215 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2216 rate &= IEEE80211_RATE_VAL; 2217 2218 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2219 k = ieee80211_crypto_encap(ic, ni, m0); 2220 if (k == NULL) { 2221 m_freem(m0); 2222 return ENOBUFS; 2223 } 2224 2225 /* packet header may have moved, reset our local pointer */ 2226 wh = mtod(m0, struct ieee80211_frame *); 2227 } 2228 2229 data = &sc->tx_data[0]; 2230 desc = (struct zyd_tx_desc *)data->buf; 2231 2232 data->ni = ni; 2233 2234 xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len; 2235 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2236 2237 /* fill Tx descriptor */ 2238 desc->len = htole16(totlen); 2239 2240 desc->flags = ZYD_TX_FLAG_BACKOFF; 2241 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2242 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2243 if (totlen > ic->ic_rtsthreshold) { 2244 desc->flags |= ZYD_TX_FLAG_RTS; 2245 } else if (ZYD_RATE_IS_OFDM(rate) && 2246 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2247 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2248 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2249 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2250 desc->flags |= ZYD_TX_FLAG_RTS; 2251 } 2252 } else 2253 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2254 2255 if ((wh->i_fc[0] & 2256 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2257 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2258 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2259 2260 desc->phy = zyd_plcp_signal(rate); 2261 if (ZYD_RATE_IS_OFDM(rate)) { 2262 desc->phy |= ZYD_TX_PHY_OFDM; 2263 if (ic->ic_curmode == IEEE80211_MODE_11A) 2264 desc->phy |= ZYD_TX_PHY_5GHZ; 2265 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2266 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2267 2268 /* actual transmit length (XXX why +10?) */ 2269 pktlen = sizeof(struct zyd_tx_desc) + 10; 2270 if (sc->mac_rev == ZYD_ZD1211) 2271 pktlen += totlen; 2272 desc->pktlen = htole16(pktlen); 2273 2274 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2275 desc->plcp_service = 0; 2276 if (rate == 22) { 2277 const int remainder = (16 * totlen) % 22; 2278 if (remainder != 0 && remainder < 7) 2279 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2280 } 2281 2282 if (sc->sc_drvbpf != NULL) { 2283 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2284 2285 tap->wt_flags = 0; 2286 tap->wt_rate = rate; 2287 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2288 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2289 2290 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0, BPF_D_OUT); 2291 } 2292 2293 m_copydata(m0, 0, m0->m_pkthdr.len, 2294 data->buf + sizeof(struct zyd_tx_desc)); 2295 2296 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2297 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2298 2299 m_freem(m0); /* mbuf no longer needed */ 2300 2301 usbd_setup_xfer(data->xfer, data, data->buf, xferlen, 2302 USBD_FORCE_SHORT_XFER, ZYD_TX_TIMEOUT, zyd_txeof); 2303 error = usbd_transfer(data->xfer); 2304 if (error != USBD_IN_PROGRESS && error != 0) { 2305 ifp->if_oerrors++; 2306 return EIO; 2307 } 2308 sc->tx_queued++; 2309 2310 return 0; 2311 } 2312 2313 Static void 2314 zyd_start(struct ifnet *ifp) 2315 { 2316 struct zyd_softc *sc = ifp->if_softc; 2317 struct ieee80211com *ic = &sc->sc_ic; 2318 struct ether_header *eh; 2319 struct ieee80211_node *ni; 2320 struct mbuf *m0; 2321 2322 for (;;) { 2323 IF_POLL(&ic->ic_mgtq, m0); 2324 if (m0 != NULL) { 2325 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2326 ifp->if_flags |= IFF_OACTIVE; 2327 break; 2328 } 2329 IF_DEQUEUE(&ic->ic_mgtq, m0); 2330 2331 ni = M_GETCTX(m0, struct ieee80211_node *); 2332 M_CLEARCTX(m0); 2333 bpf_mtap3(ic->ic_rawbpf, m0, BPF_D_OUT); 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 bpf_mtap(ifp, m0, BPF_D_OUT); 2359 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2360 ieee80211_free_node(ni); 2361 ifp->if_oerrors++; 2362 continue; 2363 } 2364 bpf_mtap3(ic->ic_rawbpf, m0, BPF_D_OUT); 2365 if (zyd_tx_data(sc, m0, ni) != 0) { 2366 ieee80211_free_node(ni); 2367 ifp->if_oerrors++; 2368 break; 2369 } 2370 } 2371 2372 sc->tx_timer = 5; 2373 ifp->if_timer = 1; 2374 } 2375 } 2376 2377 Static void 2378 zyd_watchdog(struct ifnet *ifp) 2379 { 2380 struct zyd_softc *sc = ifp->if_softc; 2381 struct ieee80211com *ic = &sc->sc_ic; 2382 2383 ifp->if_timer = 0; 2384 2385 if (sc->tx_timer > 0) { 2386 if (--sc->tx_timer == 0) { 2387 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2388 /* zyd_init(ifp); XXX needs a process context ? */ 2389 ifp->if_oerrors++; 2390 return; 2391 } 2392 ifp->if_timer = 1; 2393 } 2394 2395 ieee80211_watchdog(ic); 2396 } 2397 2398 Static int 2399 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2400 { 2401 struct zyd_softc *sc = ifp->if_softc; 2402 struct ieee80211com *ic = &sc->sc_ic; 2403 int s, error = 0; 2404 2405 s = splnet(); 2406 2407 switch (cmd) { 2408 case SIOCSIFFLAGS: 2409 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2410 break; 2411 /* XXX re-use ether_ioctl() */ 2412 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2413 case IFF_UP: 2414 zyd_init(ifp); 2415 break; 2416 case IFF_RUNNING: 2417 zyd_stop(ifp, 1); 2418 break; 2419 default: 2420 break; 2421 } 2422 break; 2423 2424 default: 2425 error = ieee80211_ioctl(ic, cmd, data); 2426 } 2427 2428 if (error == ENETRESET) { 2429 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2430 (IFF_RUNNING | IFF_UP)) 2431 zyd_init(ifp); 2432 error = 0; 2433 } 2434 2435 splx(s); 2436 2437 return error; 2438 } 2439 2440 Static int 2441 zyd_init(struct ifnet *ifp) 2442 { 2443 struct zyd_softc *sc = ifp->if_softc; 2444 struct ieee80211com *ic = &sc->sc_ic; 2445 int i, error; 2446 2447 zyd_stop(ifp, 0); 2448 2449 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2450 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2451 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2452 if (error != 0) 2453 return error; 2454 2455 /* we'll do software WEP decryption for now */ 2456 DPRINTF(("setting encryption type\n")); 2457 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2458 if (error != 0) 2459 return error; 2460 2461 /* promiscuous mode */ 2462 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2463 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2464 2465 (void)zyd_set_rxfilter(sc); 2466 2467 /* switch radio transmitter ON */ 2468 (void)zyd_switch_radio(sc, 1); 2469 2470 /* set basic rates */ 2471 if (ic->ic_curmode == IEEE80211_MODE_11B) 2472 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2473 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2474 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2475 else /* assumes 802.11b/g */ 2476 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2477 2478 /* set mandatory rates */ 2479 if (ic->ic_curmode == IEEE80211_MODE_11B) 2480 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2481 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2482 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2483 else /* assumes 802.11b/g */ 2484 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2485 2486 /* set default BSS channel */ 2487 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2488 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2489 2490 /* enable interrupts */ 2491 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2492 2493 /* 2494 * Allocate Tx and Rx xfer queues. 2495 */ 2496 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2497 printf("%s: could not allocate Tx list\n", 2498 device_xname(sc->sc_dev)); 2499 goto fail; 2500 } 2501 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2502 printf("%s: could not allocate Rx list\n", 2503 device_xname(sc->sc_dev)); 2504 goto fail; 2505 } 2506 2507 /* 2508 * Start up the receive pipe. 2509 */ 2510 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2511 struct zyd_rx_data *data = &sc->rx_data[i]; 2512 2513 usbd_setup_xfer(data->xfer, data, NULL, ZYX_MAX_RXBUFSZ, 2514 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, zyd_rxeof); 2515 error = usbd_transfer(data->xfer); 2516 if (error != USBD_IN_PROGRESS && error != 0) { 2517 printf("%s: could not queue Rx transfer\n", 2518 device_xname(sc->sc_dev)); 2519 goto fail; 2520 } 2521 } 2522 2523 ifp->if_flags &= ~IFF_OACTIVE; 2524 ifp->if_flags |= IFF_RUNNING; 2525 2526 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2527 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2528 else 2529 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2530 2531 return 0; 2532 2533 fail: zyd_stop(ifp, 1); 2534 return error; 2535 } 2536 2537 Static void 2538 zyd_stop(struct ifnet *ifp, int disable) 2539 { 2540 struct zyd_softc *sc = ifp->if_softc; 2541 struct ieee80211com *ic = &sc->sc_ic; 2542 2543 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2544 2545 sc->tx_timer = 0; 2546 ifp->if_timer = 0; 2547 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2548 2549 /* switch radio transmitter OFF */ 2550 (void)zyd_switch_radio(sc, 0); 2551 2552 /* disable Rx */ 2553 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2554 2555 /* disable interrupts */ 2556 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2557 2558 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2559 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2560 2561 zyd_free_rx_list(sc); 2562 zyd_free_tx_list(sc); 2563 } 2564 2565 Static int 2566 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2567 { 2568 usb_device_request_t req; 2569 uint16_t addr; 2570 uint8_t stat; 2571 2572 DPRINTF(("firmware size=%zu\n", size)); 2573 2574 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2575 req.bRequest = ZYD_DOWNLOADREQ; 2576 USETW(req.wIndex, 0); 2577 2578 addr = ZYD_FIRMWARE_START_ADDR; 2579 while (size > 0) { 2580 #if 0 2581 const int mlen = uimin(size, 4096); 2582 #else 2583 /* 2584 * XXXX: When the transfer size is 4096 bytes, it is not 2585 * likely to be able to transfer it. 2586 * The cause is port or machine or chip? 2587 */ 2588 const int mlen = uimin(size, 64); 2589 #endif 2590 2591 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2592 addr)); 2593 2594 USETW(req.wValue, addr); 2595 USETW(req.wLength, mlen); 2596 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2597 return EIO; 2598 2599 addr += mlen / 2; 2600 fw += mlen; 2601 size -= mlen; 2602 } 2603 2604 /* check whether the upload succeeded */ 2605 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2606 req.bRequest = ZYD_DOWNLOADSTS; 2607 USETW(req.wValue, 0); 2608 USETW(req.wIndex, 0); 2609 USETW(req.wLength, sizeof(stat)); 2610 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2611 return EIO; 2612 2613 return (stat & 0x80) ? EIO : 0; 2614 } 2615 2616 Static void 2617 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2618 { 2619 struct zyd_softc *sc = arg; 2620 struct zyd_node *zn = (struct zyd_node *)ni; 2621 2622 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2623 } 2624 2625 Static void 2626 zyd_amrr_timeout(void *arg) 2627 { 2628 struct zyd_softc *sc = arg; 2629 struct ieee80211com *ic = &sc->sc_ic; 2630 int s; 2631 2632 s = splnet(); 2633 if (ic->ic_opmode == IEEE80211_M_STA) 2634 zyd_iter_func(sc, ic->ic_bss); 2635 else 2636 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2637 splx(s); 2638 2639 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2640 } 2641 2642 Static void 2643 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2644 { 2645 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2646 int i; 2647 2648 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2649 2650 /* set rate to some reasonable initial value */ 2651 for (i = ni->ni_rates.rs_nrates - 1; 2652 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2653 i--); 2654 ni->ni_txrate = i; 2655 } 2656 2657 static int 2658 zyd_activate(device_t self, enum devact act) 2659 { 2660 struct zyd_softc *sc = device_private(self); 2661 2662 switch (act) { 2663 case DVACT_DEACTIVATE: 2664 if_deactivate(&sc->sc_if); 2665 return 0; 2666 default: 2667 return EOPNOTSUPP; 2668 } 2669 } 2670
Indexes created Sun Oct 12 20:09:57 GMT 2025