if_zyd.c revision 1.54
1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.54 2020/01/15 08:20:13 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 1.54 2020/01/15 08:20:13 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); 665 666 return &zn->ni; 667 } 668 669 Static int 670 zyd_media_change(struct ifnet *ifp) 671 { 672 int error; 673 674 error = ieee80211_media_change(ifp); 675 if (error != ENETRESET) 676 return error; 677 678 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 679 zyd_init(ifp); 680 681 return 0; 682 } 683 684 /* 685 * This function is called periodically (every 200ms) during scanning to 686 * switch from one channel to another. 687 */ 688 Static void 689 zyd_next_scan(void *arg) 690 { 691 struct zyd_softc *sc = arg; 692 struct ieee80211com *ic = &sc->sc_ic; 693 694 if (ic->ic_state == IEEE80211_S_SCAN) 695 ieee80211_next_scan(ic); 696 } 697 698 Static void 699 zyd_task(void *arg) 700 { 701 struct zyd_softc *sc = arg; 702 struct ieee80211com *ic = &sc->sc_ic; 703 enum ieee80211_state ostate; 704 705 ostate = ic->ic_state; 706 707 switch (sc->sc_state) { 708 case IEEE80211_S_INIT: 709 if (ostate == IEEE80211_S_RUN) { 710 /* turn link LED off */ 711 zyd_set_led(sc, ZYD_LED1, 0); 712 713 /* stop data LED from blinking */ 714 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0); 715 } 716 break; 717 718 case IEEE80211_S_SCAN: 719 zyd_set_chan(sc, ic->ic_curchan); 720 callout_reset(&sc->sc_scan_ch, hz / 5, zyd_next_scan, sc); 721 break; 722 723 case IEEE80211_S_AUTH: 724 case IEEE80211_S_ASSOC: 725 zyd_set_chan(sc, ic->ic_curchan); 726 break; 727 728 case IEEE80211_S_RUN: 729 { 730 struct ieee80211_node *ni = ic->ic_bss; 731 732 zyd_set_chan(sc, ic->ic_curchan); 733 734 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 735 /* turn link LED on */ 736 zyd_set_led(sc, ZYD_LED1, 1); 737 738 /* make data LED blink upon Tx */ 739 zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1); 740 741 zyd_set_bssid(sc, ni->ni_bssid); 742 } 743 744 if (ic->ic_opmode == IEEE80211_M_STA) { 745 /* fake a join to init the tx rate */ 746 zyd_newassoc(ni, 1); 747 } 748 749 /* start automatic rate control timer */ 750 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) 751 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 752 753 break; 754 } 755 } 756 757 sc->sc_newstate(ic, sc->sc_state, -1); 758 } 759 760 Static int 761 zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 762 { 763 struct zyd_softc *sc = ic->ic_ifp->if_softc; 764 765 if (!sc->attached) 766 return ENXIO; 767 768 /* 769 * XXXSMP: This does not wait for the task, if it is in flight, 770 * to complete. If this code works at all, it must rely on the 771 * kernel lock to serialize with the USB task thread. 772 */ 773 usb_rem_task(sc->sc_udev, &sc->sc_task); 774 callout_stop(&sc->sc_scan_ch); 775 callout_stop(&sc->sc_amrr_ch); 776 777 /* do it in a process context */ 778 sc->sc_state = nstate; 779 usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); 780 781 return 0; 782 } 783 784 Static int 785 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 786 void *odata, int olen, u_int flags) 787 { 788 struct usbd_xfer *xfer; 789 struct zyd_cmd cmd; 790 struct rq rq; 791 uint16_t xferflags; 792 int error; 793 usbd_status uerror; 794 795 error = usbd_create_xfer(sc->zyd_ep[ZYD_ENDPT_IOUT], 796 sizeof(uint16_t) + ilen, USBD_FORCE_SHORT_XFER, 0, &xfer); 797 if (error) 798 return error; 799 800 cmd.code = htole16(code); 801 memcpy(cmd.data, idata, ilen); 802 803 xferflags = USBD_FORCE_SHORT_XFER; 804 if (!(flags & ZYD_CMD_FLAG_READ)) 805 xferflags |= USBD_SYNCHRONOUS; 806 else { 807 rq.idata = idata; 808 rq.odata = odata; 809 rq.len = olen / sizeof(struct zyd_pair); 810 mutex_enter(&sc->sc_lock); 811 SIMPLEQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 812 mutex_exit(&sc->sc_lock); 813 } 814 815 usbd_setup_xfer(xfer, 0, &cmd, sizeof(uint16_t) + ilen, xferflags, 816 ZYD_INTR_TIMEOUT, NULL); 817 uerror = usbd_transfer(xfer); 818 if (uerror != USBD_IN_PROGRESS && uerror != 0) { 819 printf("%s: could not send command (error=%s)\n", 820 device_xname(sc->sc_dev), usbd_errstr(uerror)); 821 (void)usbd_destroy_xfer(xfer); 822 return EIO; 823 } 824 if (!(flags & ZYD_CMD_FLAG_READ)) { 825 (void)usbd_destroy_xfer(xfer); 826 return 0; /* write: don't wait for reply */ 827 } 828 /* wait at most one second for command reply */ 829 mutex_enter(&sc->sc_lock); 830 error = cv_timedwait_sig(&sc->sc_cmdcv, &sc->sc_lock, hz); 831 if (error == EWOULDBLOCK) 832 printf("%s: zyd_read sleep timeout\n", device_xname(sc->sc_dev)); 833 SIMPLEQ_REMOVE(&sc->sc_rqh, &rq, rq, rq); 834 mutex_exit(&sc->sc_lock); 835 836 (void)usbd_destroy_xfer(xfer); 837 return error; 838 } 839 840 Static int 841 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 842 { 843 struct zyd_pair tmp; 844 int error; 845 846 reg = htole16(reg); 847 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 848 ZYD_CMD_FLAG_READ); 849 if (error == 0) 850 *val = le16toh(tmp.val); 851 else 852 *val = 0; 853 return error; 854 } 855 856 Static int 857 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 858 { 859 struct zyd_pair tmp[2]; 860 uint16_t regs[2]; 861 int error; 862 863 regs[0] = htole16(ZYD_REG32_HI(reg)); 864 regs[1] = htole16(ZYD_REG32_LO(reg)); 865 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 866 ZYD_CMD_FLAG_READ); 867 if (error == 0) 868 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 869 else 870 *val = 0; 871 return error; 872 } 873 874 Static int 875 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 876 { 877 struct zyd_pair pair; 878 879 pair.reg = htole16(reg); 880 pair.val = htole16(val); 881 882 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 883 } 884 885 Static int 886 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 887 { 888 struct zyd_pair pair[2]; 889 890 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 891 pair[0].val = htole16(val >> 16); 892 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 893 pair[1].val = htole16(val & 0xffff); 894 895 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 896 } 897 898 Static int 899 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 900 { 901 struct zyd_rf *rf = &sc->sc_rf; 902 struct zyd_rfwrite req; 903 uint16_t cr203; 904 int i; 905 906 (void)zyd_read16(sc, ZYD_CR203, &cr203); 907 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 908 909 req.code = htole16(2); 910 req.width = htole16(rf->width); 911 for (i = 0; i < rf->width; i++) { 912 req.bit[i] = htole16(cr203); 913 if (val & (1 << (rf->width - 1 - i))) 914 req.bit[i] |= htole16(ZYD_RF_DATA); 915 } 916 return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 917 } 918 919 Static void 920 zyd_lock_phy(struct zyd_softc *sc) 921 { 922 uint32_t tmp; 923 924 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 925 tmp &= ~ZYD_UNLOCK_PHY_REGS; 926 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 927 } 928 929 Static void 930 zyd_unlock_phy(struct zyd_softc *sc) 931 { 932 uint32_t tmp; 933 934 (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp); 935 tmp |= ZYD_UNLOCK_PHY_REGS; 936 (void)zyd_write32(sc, ZYD_MAC_MISC, tmp); 937 } 938 939 /* 940 * RFMD RF methods. 941 */ 942 Static int 943 zyd_rfmd_init(struct zyd_rf *rf) 944 { 945 struct zyd_softc *sc = rf->rf_sc; 946 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 947 static const uint32_t rfini[] = ZYD_RFMD_RF; 948 int error; 949 size_t i; 950 951 /* init RF-dependent PHY registers */ 952 for (i = 0; i < __arraycount(phyini); i++) { 953 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 954 if (error != 0) 955 return error; 956 } 957 958 /* init RFMD radio */ 959 for (i = 0; i < __arraycount(rfini); i++) { 960 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 961 return error; 962 } 963 return 0; 964 } 965 966 Static int 967 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 968 { 969 struct zyd_softc *sc = rf->rf_sc; 970 971 (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15); 972 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81); 973 974 return 0; 975 } 976 977 Static int 978 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 979 { 980 struct zyd_softc *sc = rf->rf_sc; 981 static const struct { 982 uint32_t r1, r2; 983 } rfprog[] = ZYD_RFMD_CHANTABLE; 984 985 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 986 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 987 988 return 0; 989 } 990 991 /* 992 * AL2230 RF methods. 993 */ 994 Static int 995 zyd_al2230_init(struct zyd_rf *rf) 996 { 997 struct zyd_softc *sc = rf->rf_sc; 998 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 999 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1000 static const uint32_t rfini[] = ZYD_AL2230_RF; 1001 int error; 1002 size_t i; 1003 1004 /* init RF-dependent PHY registers */ 1005 for (i = 0; i < __arraycount(phyini); i++) { 1006 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1007 if (error != 0) 1008 return error; 1009 } 1010 1011 if (sc->rf_rev == ZYD_RF_AL2230S) { 1012 for (i = 0; i < __arraycount(phy2230s); i++) { 1013 error = zyd_write16(sc, phy2230s[i].reg, 1014 phy2230s[i].val); 1015 if (error != 0) 1016 return error; 1017 } 1018 } 1019 1020 /* init AL2230 radio */ 1021 for (i = 0; i < __arraycount(rfini); i++) { 1022 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1023 return error; 1024 } 1025 return 0; 1026 } 1027 1028 Static int 1029 zyd_al2230_init_b(struct zyd_rf *rf) 1030 { 1031 struct zyd_softc *sc = rf->rf_sc; 1032 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1033 static const uint32_t rfini[] = ZYD_AL2230_RF_B; 1034 int error; 1035 size_t i; 1036 1037 /* init RF-dependent PHY registers */ 1038 for (i = 0; i < __arraycount(phyini); i++) { 1039 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1040 if (error != 0) 1041 return error; 1042 } 1043 1044 /* init AL2230 radio */ 1045 for (i = 0; i < __arraycount(rfini); i++) { 1046 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1047 return error; 1048 } 1049 return 0; 1050 } 1051 1052 Static int 1053 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1054 { 1055 struct zyd_softc *sc = rf->rf_sc; 1056 int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f; 1057 1058 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1059 (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f); 1060 1061 return 0; 1062 } 1063 1064 Static int 1065 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1066 { 1067 struct zyd_softc *sc = rf->rf_sc; 1068 static const struct { 1069 uint32_t r1, r2, r3; 1070 } rfprog[] = ZYD_AL2230_CHANTABLE; 1071 1072 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1073 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1074 (void)zyd_rfwrite(sc, rfprog[chan - 1].r3); 1075 1076 (void)zyd_write16(sc, ZYD_CR138, 0x28); 1077 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1078 1079 return 0; 1080 } 1081 1082 /* 1083 * AL7230B RF methods. 1084 */ 1085 Static int 1086 zyd_al7230B_init(struct zyd_rf *rf) 1087 { 1088 struct zyd_softc *sc = rf->rf_sc; 1089 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1090 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1091 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1092 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1093 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1094 int error; 1095 size_t i; 1096 1097 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1098 1099 /* init RF-dependent PHY registers, part one */ 1100 for (i = 0; i < __arraycount(phyini_1); i++) { 1101 error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val); 1102 if (error != 0) 1103 return error; 1104 } 1105 /* init AL7230B radio, part one */ 1106 for (i = 0; i < __arraycount(rfini_1); i++) { 1107 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1108 return error; 1109 } 1110 /* init RF-dependent PHY registers, part two */ 1111 for (i = 0; i < __arraycount(phyini_2); i++) { 1112 error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val); 1113 if (error != 0) 1114 return error; 1115 } 1116 /* init AL7230B radio, part two */ 1117 for (i = 0; i < __arraycount(rfini_2); i++) { 1118 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1119 return error; 1120 } 1121 /* init RF-dependent PHY registers, part three */ 1122 for (i = 0; i < __arraycount(phyini_3); i++) { 1123 error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val); 1124 if (error != 0) 1125 return error; 1126 } 1127 1128 return 0; 1129 } 1130 1131 Static int 1132 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1133 { 1134 struct zyd_softc *sc = rf->rf_sc; 1135 1136 (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04); 1137 (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1138 1139 return 0; 1140 } 1141 1142 Static int 1143 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1144 { 1145 struct zyd_softc *sc = rf->rf_sc; 1146 static const struct { 1147 uint32_t r1, r2; 1148 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1149 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1150 int error; 1151 size_t i; 1152 1153 (void)zyd_write16(sc, ZYD_CR240, 0x57); 1154 (void)zyd_write16(sc, ZYD_CR251, 0x2f); 1155 1156 for (i = 0; i < __arraycount(rfsc); i++) { 1157 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1158 return error; 1159 } 1160 1161 (void)zyd_write16(sc, ZYD_CR128, 0x14); 1162 (void)zyd_write16(sc, ZYD_CR129, 0x12); 1163 (void)zyd_write16(sc, ZYD_CR130, 0x10); 1164 (void)zyd_write16(sc, ZYD_CR38, 0x38); 1165 (void)zyd_write16(sc, ZYD_CR136, 0xdf); 1166 1167 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1168 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1169 (void)zyd_rfwrite(sc, 0x3c9000); 1170 1171 (void)zyd_write16(sc, ZYD_CR251, 0x3f); 1172 (void)zyd_write16(sc, ZYD_CR203, 0x06); 1173 (void)zyd_write16(sc, ZYD_CR240, 0x08); 1174 1175 return 0; 1176 } 1177 1178 /* 1179 * AL2210 RF methods. 1180 */ 1181 Static int 1182 zyd_al2210_init(struct zyd_rf *rf) 1183 { 1184 struct zyd_softc *sc = rf->rf_sc; 1185 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1186 static const uint32_t rfini[] = ZYD_AL2210_RF; 1187 uint32_t tmp; 1188 int error; 1189 size_t i; 1190 1191 (void)zyd_write32(sc, ZYD_CR18, 2); 1192 1193 /* init RF-dependent PHY registers */ 1194 for (i = 0; i < __arraycount(phyini); i++) { 1195 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1196 if (error != 0) 1197 return error; 1198 } 1199 /* init AL2210 radio */ 1200 for (i = 0; i < __arraycount(rfini); i++) { 1201 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1202 return error; 1203 } 1204 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1205 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1206 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1207 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1208 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1209 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1210 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1211 (void)zyd_write32(sc, ZYD_CR18, 3); 1212 1213 return 0; 1214 } 1215 1216 Static int 1217 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1218 { 1219 /* vendor driver does nothing for this RF chip */ 1220 1221 return 0; 1222 } 1223 1224 Static int 1225 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1226 { 1227 struct zyd_softc *sc = rf->rf_sc; 1228 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1229 uint32_t tmp; 1230 1231 (void)zyd_write32(sc, ZYD_CR18, 2); 1232 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1233 (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp); 1234 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1235 (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1); 1236 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05); 1237 1238 (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00); 1239 (void)zyd_write16(sc, ZYD_CR47, 0x1e); 1240 1241 /* actually set the channel */ 1242 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1243 1244 (void)zyd_write32(sc, ZYD_CR18, 3); 1245 1246 return 0; 1247 } 1248 1249 /* 1250 * GCT RF methods. 1251 */ 1252 Static int 1253 zyd_gct_init(struct zyd_rf *rf) 1254 { 1255 struct zyd_softc *sc = rf->rf_sc; 1256 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1257 static const uint32_t rfini[] = ZYD_GCT_RF; 1258 int error; 1259 size_t i; 1260 1261 /* init RF-dependent PHY registers */ 1262 for (i = 0; i < __arraycount(phyini); i++) { 1263 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1264 if (error != 0) 1265 return error; 1266 } 1267 /* init cgt radio */ 1268 for (i = 0; i < __arraycount(rfini); i++) { 1269 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1270 return error; 1271 } 1272 return 0; 1273 } 1274 1275 Static int 1276 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1277 { 1278 /* vendor driver does nothing for this RF chip */ 1279 1280 return 0; 1281 } 1282 1283 Static int 1284 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1285 { 1286 struct zyd_softc *sc = rf->rf_sc; 1287 static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE; 1288 1289 (void)zyd_rfwrite(sc, 0x1c0000); 1290 (void)zyd_rfwrite(sc, rfprog[chan - 1]); 1291 (void)zyd_rfwrite(sc, 0x1c0008); 1292 1293 return 0; 1294 } 1295 1296 /* 1297 * Maxim RF methods. 1298 */ 1299 Static int 1300 zyd_maxim_init(struct zyd_rf *rf) 1301 { 1302 struct zyd_softc *sc = rf->rf_sc; 1303 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1304 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1305 uint16_t tmp; 1306 int error; 1307 size_t i; 1308 1309 /* init RF-dependent PHY registers */ 1310 for (i = 0; i < __arraycount(phyini); i++) { 1311 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1312 if (error != 0) 1313 return error; 1314 } 1315 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1316 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1317 1318 /* init maxim radio */ 1319 for (i = 0; i < __arraycount(rfini); i++) { 1320 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1321 return error; 1322 } 1323 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1324 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1325 1326 return 0; 1327 } 1328 1329 Static int 1330 zyd_maxim_switch_radio(struct zyd_rf *rf, int on) 1331 { 1332 /* vendor driver does nothing for this RF chip */ 1333 1334 return 0; 1335 } 1336 1337 Static int 1338 zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan) 1339 { 1340 struct zyd_softc *sc = rf->rf_sc; 1341 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY; 1342 static const uint32_t rfini[] = ZYD_MAXIM_RF; 1343 static const struct { 1344 uint32_t r1, r2; 1345 } rfprog[] = ZYD_MAXIM_CHANTABLE; 1346 uint16_t tmp; 1347 int error; 1348 size_t i; 1349 1350 /* 1351 * Do the same as we do when initializing it, except for the channel 1352 * values coming from the two channel tables. 1353 */ 1354 1355 /* init RF-dependent PHY registers */ 1356 for (i = 0; i < __arraycount(phyini); i++) { 1357 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1358 if (error != 0) 1359 return error; 1360 } 1361 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1362 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1363 1364 /* first two values taken from the chantables */ 1365 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1366 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1367 1368 /* init maxim radio - skipping the two first values */ 1369 for (i = 2; i < __arraycount(rfini); i++) { 1370 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1371 return error; 1372 } 1373 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1374 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1375 1376 return 0; 1377 } 1378 1379 /* 1380 * Maxim2 RF methods. 1381 */ 1382 Static int 1383 zyd_maxim2_init(struct zyd_rf *rf) 1384 { 1385 struct zyd_softc *sc = rf->rf_sc; 1386 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1387 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1388 uint16_t tmp; 1389 int error; 1390 size_t i; 1391 1392 /* init RF-dependent PHY registers */ 1393 for (i = 0; i < __arraycount(phyini); i++) { 1394 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1395 if (error != 0) 1396 return error; 1397 } 1398 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1399 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1400 1401 /* init maxim2 radio */ 1402 for (i = 0; i < __arraycount(rfini); i++) { 1403 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1404 return error; 1405 } 1406 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1407 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1408 1409 return 0; 1410 } 1411 1412 Static int 1413 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1414 { 1415 /* vendor driver does nothing for this RF chip */ 1416 1417 return 0; 1418 } 1419 1420 Static int 1421 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1422 { 1423 struct zyd_softc *sc = rf->rf_sc; 1424 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1425 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1426 static const struct { 1427 uint32_t r1, r2; 1428 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1429 uint16_t tmp; 1430 int error; 1431 size_t i; 1432 1433 /* 1434 * Do the same as we do when initializing it, except for the channel 1435 * values coming from the two channel tables. 1436 */ 1437 1438 /* init RF-dependent PHY registers */ 1439 for (i = 0; i < __arraycount(phyini); i++) { 1440 error = zyd_write16(sc, phyini[i].reg, phyini[i].val); 1441 if (error != 0) 1442 return error; 1443 } 1444 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1445 (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4)); 1446 1447 /* first two values taken from the chantables */ 1448 (void)zyd_rfwrite(sc, rfprog[chan - 1].r1); 1449 (void)zyd_rfwrite(sc, rfprog[chan - 1].r2); 1450 1451 /* init maxim2 radio - skipping the two first values */ 1452 for (i = 2; i < __arraycount(rfini); i++) { 1453 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1454 return error; 1455 } 1456 (void)zyd_read16(sc, ZYD_CR203, &tmp); 1457 (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4)); 1458 1459 return 0; 1460 } 1461 1462 Static int 1463 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1464 { 1465 struct zyd_rf *rf = &sc->sc_rf; 1466 1467 rf->rf_sc = sc; 1468 1469 switch (type) { 1470 case ZYD_RF_RFMD: 1471 rf->init = zyd_rfmd_init; 1472 rf->switch_radio = zyd_rfmd_switch_radio; 1473 rf->set_channel = zyd_rfmd_set_channel; 1474 rf->width = 24; /* 24-bit RF values */ 1475 break; 1476 case ZYD_RF_AL2230: 1477 case ZYD_RF_AL2230S: 1478 if (sc->mac_rev == ZYD_ZD1211B) 1479 rf->init = zyd_al2230_init_b; 1480 else 1481 rf->init = zyd_al2230_init; 1482 rf->switch_radio = zyd_al2230_switch_radio; 1483 rf->set_channel = zyd_al2230_set_channel; 1484 rf->width = 24; /* 24-bit RF values */ 1485 break; 1486 case ZYD_RF_AL7230B: 1487 rf->init = zyd_al7230B_init; 1488 rf->switch_radio = zyd_al7230B_switch_radio; 1489 rf->set_channel = zyd_al7230B_set_channel; 1490 rf->width = 24; /* 24-bit RF values */ 1491 break; 1492 case ZYD_RF_AL2210: 1493 rf->init = zyd_al2210_init; 1494 rf->switch_radio = zyd_al2210_switch_radio; 1495 rf->set_channel = zyd_al2210_set_channel; 1496 rf->width = 24; /* 24-bit RF values */ 1497 break; 1498 case ZYD_RF_GCT: 1499 rf->init = zyd_gct_init; 1500 rf->switch_radio = zyd_gct_switch_radio; 1501 rf->set_channel = zyd_gct_set_channel; 1502 rf->width = 21; /* 21-bit RF values */ 1503 break; 1504 case ZYD_RF_MAXIM_NEW: 1505 rf->init = zyd_maxim_init; 1506 rf->switch_radio = zyd_maxim_switch_radio; 1507 rf->set_channel = zyd_maxim_set_channel; 1508 rf->width = 18; /* 18-bit RF values */ 1509 break; 1510 case ZYD_RF_MAXIM_NEW2: 1511 rf->init = zyd_maxim2_init; 1512 rf->switch_radio = zyd_maxim2_switch_radio; 1513 rf->set_channel = zyd_maxim2_set_channel; 1514 rf->width = 18; /* 18-bit RF values */ 1515 break; 1516 default: 1517 printf("%s: sorry, radio \"%s\" is not supported yet\n", 1518 device_xname(sc->sc_dev), zyd_rf_name(type)); 1519 return EINVAL; 1520 } 1521 return 0; 1522 } 1523 1524 Static const char * 1525 zyd_rf_name(uint8_t type) 1526 { 1527 static const char * const zyd_rfs[] = { 1528 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1529 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1530 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1531 "PHILIPS" 1532 }; 1533 1534 return zyd_rfs[(type > 15) ? 0 : type]; 1535 } 1536 1537 Static int 1538 zyd_hw_init(struct zyd_softc *sc) 1539 { 1540 struct zyd_rf *rf = &sc->sc_rf; 1541 const struct zyd_phy_pair *phyp; 1542 int error; 1543 1544 /* specify that the plug and play is finished */ 1545 (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); 1546 1547 (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase); 1548 DPRINTF(("firmware base address=0x%04x\n", sc->fwbase)); 1549 1550 /* retrieve firmware revision number */ 1551 (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev); 1552 1553 (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0); 1554 (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1555 1556 /* disable interrupts */ 1557 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 1558 1559 /* PHY init */ 1560 zyd_lock_phy(sc); 1561 phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1562 for (; phyp->reg != 0; phyp++) { 1563 if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0) 1564 goto fail; 1565 } 1566 zyd_unlock_phy(sc); 1567 1568 /* HMAC init */ 1569 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1570 zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1571 1572 if (sc->mac_rev == ZYD_ZD1211) { 1573 zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002); 1574 } else { 1575 zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202); 1576 zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1577 zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1578 zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1579 zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1580 zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1581 zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1582 zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824); 1583 } 1584 1585 zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000); 1586 zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000); 1587 zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000); 1588 zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000); 1589 zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4); 1590 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1591 zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1592 zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1593 zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1594 zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1595 zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1596 zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032); 1597 zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1598 zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000); 1599 zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1600 zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1601 zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1602 1603 /* RF chip init */ 1604 zyd_lock_phy(sc); 1605 error = (*rf->init)(rf); 1606 zyd_unlock_phy(sc); 1607 if (error != 0) { 1608 printf("%s: radio initialization failed\n", 1609 device_xname(sc->sc_dev)); 1610 goto fail; 1611 } 1612 1613 /* init beacon interval to 100ms */ 1614 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1615 goto fail; 1616 1617 fail: return error; 1618 } 1619 1620 Static int 1621 zyd_read_eeprom(struct zyd_softc *sc) 1622 { 1623 struct ieee80211com *ic = &sc->sc_ic; 1624 uint32_t tmp; 1625 uint16_t val; 1626 int i; 1627 1628 /* read MAC address */ 1629 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp); 1630 ic->ic_myaddr[0] = tmp & 0xff; 1631 ic->ic_myaddr[1] = tmp >> 8; 1632 ic->ic_myaddr[2] = tmp >> 16; 1633 ic->ic_myaddr[3] = tmp >> 24; 1634 (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp); 1635 ic->ic_myaddr[4] = tmp & 0xff; 1636 ic->ic_myaddr[5] = tmp >> 8; 1637 1638 (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp); 1639 sc->rf_rev = tmp & 0x0f; 1640 sc->pa_rev = (tmp >> 16) & 0x0f; 1641 1642 /* read regulatory domain (currently unused) */ 1643 (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp); 1644 sc->regdomain = tmp >> 16; 1645 DPRINTF(("regulatory domain %x\n", sc->regdomain)); 1646 1647 /* read Tx power calibration tables */ 1648 for (i = 0; i < 7; i++) { 1649 (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1650 sc->pwr_cal[i * 2] = val >> 8; 1651 sc->pwr_cal[i * 2 + 1] = val & 0xff; 1652 1653 (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val); 1654 sc->pwr_int[i * 2] = val >> 8; 1655 sc->pwr_int[i * 2 + 1] = val & 0xff; 1656 1657 (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val); 1658 sc->ofdm36_cal[i * 2] = val >> 8; 1659 sc->ofdm36_cal[i * 2 + 1] = val & 0xff; 1660 1661 (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val); 1662 sc->ofdm48_cal[i * 2] = val >> 8; 1663 sc->ofdm48_cal[i * 2 + 1] = val & 0xff; 1664 1665 (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val); 1666 sc->ofdm54_cal[i * 2] = val >> 8; 1667 sc->ofdm54_cal[i * 2 + 1] = val & 0xff; 1668 } 1669 return 0; 1670 } 1671 1672 Static int 1673 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1674 { 1675 uint32_t tmp; 1676 1677 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1678 (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp); 1679 1680 tmp = addr[5] << 8 | addr[4]; 1681 (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp); 1682 1683 return 0; 1684 } 1685 1686 Static int 1687 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1688 { 1689 uint32_t tmp; 1690 1691 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1692 (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp); 1693 1694 tmp = addr[5] << 8 | addr[4]; 1695 (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp); 1696 1697 return 0; 1698 } 1699 1700 Static int 1701 zyd_switch_radio(struct zyd_softc *sc, int on) 1702 { 1703 struct zyd_rf *rf = &sc->sc_rf; 1704 int error; 1705 1706 zyd_lock_phy(sc); 1707 error = (*rf->switch_radio)(rf, on); 1708 zyd_unlock_phy(sc); 1709 1710 return error; 1711 } 1712 1713 Static void 1714 zyd_set_led(struct zyd_softc *sc, int which, int on) 1715 { 1716 uint32_t tmp; 1717 1718 (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1719 tmp &= ~which; 1720 if (on) 1721 tmp |= which; 1722 (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1723 } 1724 1725 Static int 1726 zyd_set_rxfilter(struct zyd_softc *sc) 1727 { 1728 uint32_t rxfilter; 1729 1730 switch (sc->sc_ic.ic_opmode) { 1731 case IEEE80211_M_STA: 1732 rxfilter = ZYD_FILTER_BSS; 1733 break; 1734 case IEEE80211_M_IBSS: 1735 case IEEE80211_M_HOSTAP: 1736 rxfilter = ZYD_FILTER_HOSTAP; 1737 break; 1738 case IEEE80211_M_MONITOR: 1739 rxfilter = ZYD_FILTER_MONITOR; 1740 break; 1741 default: 1742 /* should not get there */ 1743 return EINVAL; 1744 } 1745 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 1746 } 1747 1748 Static void 1749 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 1750 { 1751 struct ieee80211com *ic = &sc->sc_ic; 1752 struct zyd_rf *rf = &sc->sc_rf; 1753 u_int chan; 1754 1755 chan = ieee80211_chan2ieee(ic, c); 1756 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 1757 return; 1758 1759 zyd_lock_phy(sc); 1760 1761 (*rf->set_channel)(rf, chan); 1762 1763 /* update Tx power */ 1764 (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]); 1765 (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]); 1766 1767 if (sc->mac_rev == ZYD_ZD1211B) { 1768 (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]); 1769 (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]); 1770 (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]); 1771 1772 (void)zyd_write32(sc, ZYD_CR69, 0x28); 1773 (void)zyd_write32(sc, ZYD_CR69, 0x2a); 1774 } 1775 1776 zyd_unlock_phy(sc); 1777 } 1778 1779 Static int 1780 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 1781 { 1782 /* XXX this is probably broken.. */ 1783 (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2); 1784 (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1); 1785 (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval); 1786 1787 return 0; 1788 } 1789 1790 Static uint8_t 1791 zyd_plcp_signal(int rate) 1792 { 1793 switch (rate) { 1794 /* CCK rates (returned values are device-dependent) */ 1795 case 2: return 0x0; 1796 case 4: return 0x1; 1797 case 11: return 0x2; 1798 case 22: return 0x3; 1799 1800 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1801 case 12: return 0xb; 1802 case 18: return 0xf; 1803 case 24: return 0xa; 1804 case 36: return 0xe; 1805 case 48: return 0x9; 1806 case 72: return 0xd; 1807 case 96: return 0x8; 1808 case 108: return 0xc; 1809 1810 /* unsupported rates (should not get there) */ 1811 default: return 0xff; 1812 } 1813 } 1814 1815 Static void 1816 zyd_intr(struct usbd_xfer *xfer, void * priv, usbd_status status) 1817 { 1818 struct zyd_softc *sc = (struct zyd_softc *)priv; 1819 struct zyd_cmd *cmd; 1820 uint32_t datalen; 1821 1822 if (status != USBD_NORMAL_COMPLETION) { 1823 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1824 return; 1825 1826 if (status == USBD_STALLED) { 1827 usbd_clear_endpoint_stall_async( 1828 sc->zyd_ep[ZYD_ENDPT_IIN]); 1829 } 1830 return; 1831 } 1832 1833 cmd = (struct zyd_cmd *)sc->ibuf; 1834 1835 if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) { 1836 struct zyd_notif_retry *retry = 1837 (struct zyd_notif_retry *)cmd->data; 1838 struct ieee80211com *ic = &sc->sc_ic; 1839 struct ifnet *ifp = &sc->sc_if; 1840 struct ieee80211_node *ni; 1841 1842 DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 1843 le16toh(retry->rate), ether_sprintf(retry->macaddr), 1844 le16toh(retry->count) & 0xff, le16toh(retry->count))); 1845 1846 /* 1847 * Find the node to which the packet was sent and update its 1848 * retry statistics. In BSS mode, this node is the AP we're 1849 * associated to so no lookup is actually needed. 1850 */ 1851 if (ic->ic_opmode != IEEE80211_M_STA) { 1852 ni = ieee80211_find_node(&ic->ic_scan, retry->macaddr); 1853 if (ni == NULL) 1854 return; /* just ignore */ 1855 } else 1856 ni = ic->ic_bss; 1857 1858 ((struct zyd_node *)ni)->amn.amn_retrycnt++; 1859 1860 if (le16toh(retry->count) & 0x100) 1861 ifp->if_oerrors++; /* too many retries */ 1862 1863 } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) { 1864 struct rq *rqp; 1865 1866 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 1867 return; /* HMAC interrupt */ 1868 1869 usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL); 1870 datalen -= sizeof(cmd->code); 1871 datalen -= 2; /* XXX: padding? */ 1872 1873 mutex_enter(&sc->sc_lock); 1874 SIMPLEQ_FOREACH(rqp, &sc->sc_rqh, rq) { 1875 int i; 1876 1877 if (sizeof(struct zyd_pair) * rqp->len != datalen) 1878 continue; 1879 for (i = 0; i < rqp->len; i++) { 1880 if (*(((const uint16_t *)rqp->idata) + i) != 1881 (((struct zyd_pair *)cmd->data) + i)->reg) 1882 break; 1883 } 1884 if (i != rqp->len) 1885 continue; 1886 1887 /* copy answer into caller-supplied buffer */ 1888 memcpy(rqp->odata, cmd->data, 1889 sizeof(struct zyd_pair) * rqp->len); 1890 cv_signal(&sc->sc_cmdcv); 1891 mutex_exit(&sc->sc_lock); 1892 return; 1893 } 1894 mutex_exit(&sc->sc_lock); 1895 return; /* unexpected IORD notification */ 1896 } else { 1897 printf("%s: unknown notification %x\n", device_xname(sc->sc_dev), 1898 le16toh(cmd->code)); 1899 } 1900 } 1901 1902 Static void 1903 zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len) 1904 { 1905 struct ieee80211com *ic = &sc->sc_ic; 1906 struct ifnet *ifp = &sc->sc_if; 1907 struct ieee80211_node *ni; 1908 struct ieee80211_frame *wh; 1909 const struct zyd_plcphdr *plcp; 1910 const struct zyd_rx_stat *stat; 1911 struct mbuf *m; 1912 int rlen, s; 1913 1914 if (len < ZYD_MIN_FRAGSZ) { 1915 printf("%s: frame too short (length=%d)\n", 1916 device_xname(sc->sc_dev), len); 1917 ifp->if_ierrors++; 1918 return; 1919 } 1920 1921 plcp = (const struct zyd_plcphdr *)buf; 1922 stat = (const struct zyd_rx_stat *) 1923 (buf + len - sizeof(struct zyd_rx_stat)); 1924 1925 if (stat->flags & ZYD_RX_ERROR) { 1926 DPRINTF(("%s: RX status indicated error (%x)\n", 1927 device_xname(sc->sc_dev), stat->flags)); 1928 ifp->if_ierrors++; 1929 return; 1930 } 1931 1932 /* compute actual frame length */ 1933 rlen = len - sizeof(struct zyd_plcphdr) - 1934 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 1935 1936 /* allocate a mbuf to store the frame */ 1937 MGETHDR(m, M_DONTWAIT, MT_DATA); 1938 if (m == NULL) { 1939 printf("%s: could not allocate rx mbuf\n", 1940 device_xname(sc->sc_dev)); 1941 ifp->if_ierrors++; 1942 return; 1943 } 1944 if (rlen > MHLEN) { 1945 MCLGET(m, M_DONTWAIT); 1946 if (!(m->m_flags & M_EXT)) { 1947 printf("%s: could not allocate rx mbuf cluster\n", 1948 device_xname(sc->sc_dev)); 1949 m_freem(m); 1950 ifp->if_ierrors++; 1951 return; 1952 } 1953 } 1954 m_set_rcvif(m, ifp); 1955 m->m_pkthdr.len = m->m_len = rlen; 1956 memcpy(mtod(m, uint8_t *), (const uint8_t *)(plcp + 1), rlen); 1957 1958 s = splnet(); 1959 1960 if (sc->sc_drvbpf != NULL) { 1961 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 1962 static const uint8_t rates[] = { 1963 /* reverse function of zyd_plcp_signal() */ 1964 2, 4, 11, 22, 0, 0, 0, 0, 1965 96, 48, 24, 12, 108, 72, 36, 18 1966 }; 1967 1968 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1969 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1970 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1971 tap->wr_rssi = stat->rssi; 1972 tap->wr_rate = rates[plcp->signal & 0xf]; 1973 1974 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN); 1975 } 1976 1977 wh = mtod(m, struct ieee80211_frame *); 1978 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1979 ieee80211_input(ic, m, ni, stat->rssi, 0); 1980 1981 /* node is no longer needed */ 1982 ieee80211_free_node(ni); 1983 1984 splx(s); 1985 } 1986 1987 Static void 1988 zyd_rxeof(struct usbd_xfer *xfer, void * priv, usbd_status status) 1989 { 1990 struct zyd_rx_data *data = priv; 1991 struct zyd_softc *sc = data->sc; 1992 struct ifnet *ifp = &sc->sc_if; 1993 const struct zyd_rx_desc *desc; 1994 int len; 1995 1996 if (status != USBD_NORMAL_COMPLETION) { 1997 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1998 return; 1999 2000 if (status == USBD_STALLED) 2001 usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); 2002 2003 goto skip; 2004 } 2005 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 2006 2007 if (len < ZYD_MIN_RXBUFSZ) { 2008 printf("%s: xfer too short (length=%d)\n", 2009 device_xname(sc->sc_dev), len); 2010 ifp->if_ierrors++; 2011 goto skip; 2012 } 2013 2014 desc = (const struct zyd_rx_desc *) 2015 (data->buf + len - sizeof(struct zyd_rx_desc)); 2016 2017 if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) { 2018 const uint8_t *p = data->buf, *end = p + len; 2019 int i; 2020 2021 DPRINTFN(3, ("received multi-frame transfer\n")); 2022 2023 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2024 const uint16_t len16 = UGETW(desc->len[i]); 2025 2026 if (len16 == 0 || p + len16 > end) 2027 break; 2028 2029 zyd_rx_data(sc, p, len16); 2030 /* next frame is aligned on a 32-bit boundary */ 2031 p += (len16 + 3) & ~3; 2032 } 2033 } else { 2034 DPRINTFN(3, ("received single-frame transfer\n")); 2035 2036 zyd_rx_data(sc, data->buf, len); 2037 } 2038 2039 skip: /* setup a new transfer */ 2040 2041 usbd_setup_xfer(xfer, data, NULL, ZYX_MAX_RXBUFSZ, USBD_SHORT_XFER_OK, 2042 USBD_NO_TIMEOUT, zyd_rxeof); 2043 (void)usbd_transfer(xfer); 2044 } 2045 2046 Static int 2047 zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2048 { 2049 struct ieee80211com *ic = &sc->sc_ic; 2050 struct ifnet *ifp = &sc->sc_if; 2051 struct zyd_tx_desc *desc; 2052 struct zyd_tx_data *data; 2053 struct ieee80211_frame *wh; 2054 struct ieee80211_key *k; 2055 int xferlen, totlen, rate; 2056 uint16_t pktlen; 2057 usbd_status error; 2058 2059 data = &sc->tx_data[0]; 2060 desc = (struct zyd_tx_desc *)data->buf; 2061 2062 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2; 2063 2064 wh = mtod(m0, struct ieee80211_frame *); 2065 2066 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2067 k = ieee80211_crypto_encap(ic, ni, m0); 2068 if (k == NULL) { 2069 m_freem(m0); 2070 return ENOBUFS; 2071 } 2072 } 2073 2074 data->ni = ni; 2075 2076 wh = mtod(m0, struct ieee80211_frame *); 2077 2078 xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len; 2079 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2080 2081 /* fill Tx descriptor */ 2082 desc->len = htole16(totlen); 2083 2084 desc->flags = ZYD_TX_FLAG_BACKOFF; 2085 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2086 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2087 if (totlen > ic->ic_rtsthreshold) { 2088 desc->flags |= ZYD_TX_FLAG_RTS; 2089 } else if (ZYD_RATE_IS_OFDM(rate) && 2090 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2091 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2092 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2093 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2094 desc->flags |= ZYD_TX_FLAG_RTS; 2095 } 2096 } else 2097 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2098 2099 if ((wh->i_fc[0] & 2100 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2101 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2102 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2103 2104 desc->phy = zyd_plcp_signal(rate); 2105 if (ZYD_RATE_IS_OFDM(rate)) { 2106 desc->phy |= ZYD_TX_PHY_OFDM; 2107 if (ic->ic_curmode == IEEE80211_MODE_11A) 2108 desc->phy |= ZYD_TX_PHY_5GHZ; 2109 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2110 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2111 2112 /* actual transmit length (XXX why +10?) */ 2113 pktlen = sizeof(struct zyd_tx_desc) + 10; 2114 if (sc->mac_rev == ZYD_ZD1211) 2115 pktlen += totlen; 2116 desc->pktlen = htole16(pktlen); 2117 2118 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2119 desc->plcp_service = 0; 2120 if (rate == 22) { 2121 const int remainder = (16 * totlen) % 22; 2122 if (remainder != 0 && remainder < 7) 2123 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2124 } 2125 2126 if (sc->sc_drvbpf != NULL) { 2127 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2128 2129 tap->wt_flags = 0; 2130 tap->wt_rate = rate; 2131 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2132 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2133 2134 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0, BPF_D_OUT); 2135 } 2136 2137 m_copydata(m0, 0, m0->m_pkthdr.len, 2138 data->buf + sizeof(struct zyd_tx_desc)); 2139 2140 DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n", 2141 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2142 2143 m_freem(m0); /* mbuf no longer needed */ 2144 2145 usbd_setup_xfer(data->xfer, data, data->buf, xferlen, 2146 USBD_FORCE_SHORT_XFER, ZYD_TX_TIMEOUT, zyd_txeof); 2147 error = usbd_transfer(data->xfer); 2148 if (error != USBD_IN_PROGRESS && error != 0) { 2149 ifp->if_oerrors++; 2150 return EIO; 2151 } 2152 sc->tx_queued++; 2153 2154 return 0; 2155 } 2156 2157 Static void 2158 zyd_txeof(struct usbd_xfer *xfer, void * priv, usbd_status status) 2159 { 2160 struct zyd_tx_data *data = priv; 2161 struct zyd_softc *sc = data->sc; 2162 struct ifnet *ifp = &sc->sc_if; 2163 int s; 2164 2165 if (status != USBD_NORMAL_COMPLETION) { 2166 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 2167 return; 2168 2169 printf("%s: could not transmit buffer: %s\n", 2170 device_xname(sc->sc_dev), usbd_errstr(status)); 2171 2172 if (status == USBD_STALLED) { 2173 usbd_clear_endpoint_stall_async( 2174 sc->zyd_ep[ZYD_ENDPT_BOUT]); 2175 } 2176 ifp->if_oerrors++; 2177 return; 2178 } 2179 2180 s = splnet(); 2181 2182 /* update rate control statistics */ 2183 ((struct zyd_node *)data->ni)->amn.amn_txcnt++; 2184 2185 ieee80211_free_node(data->ni); 2186 data->ni = NULL; 2187 2188 sc->tx_queued--; 2189 ifp->if_opackets++; 2190 2191 sc->tx_timer = 0; 2192 ifp->if_flags &= ~IFF_OACTIVE; 2193 zyd_start(ifp); 2194 2195 splx(s); 2196 } 2197 2198 Static int 2199 zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2200 { 2201 struct ieee80211com *ic = &sc->sc_ic; 2202 struct ifnet *ifp = &sc->sc_if; 2203 struct zyd_tx_desc *desc; 2204 struct zyd_tx_data *data; 2205 struct ieee80211_frame *wh; 2206 struct ieee80211_key *k; 2207 int xferlen, totlen, rate; 2208 uint16_t pktlen; 2209 usbd_status error; 2210 2211 wh = mtod(m0, struct ieee80211_frame *); 2212 2213 if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) 2214 rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate]; 2215 else 2216 rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 2217 rate &= IEEE80211_RATE_VAL; 2218 2219 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2220 k = ieee80211_crypto_encap(ic, ni, m0); 2221 if (k == NULL) { 2222 m_freem(m0); 2223 return ENOBUFS; 2224 } 2225 2226 /* packet header may have moved, reset our local pointer */ 2227 wh = mtod(m0, struct ieee80211_frame *); 2228 } 2229 2230 data = &sc->tx_data[0]; 2231 desc = (struct zyd_tx_desc *)data->buf; 2232 2233 data->ni = ni; 2234 2235 xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len; 2236 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2237 2238 /* fill Tx descriptor */ 2239 desc->len = htole16(totlen); 2240 2241 desc->flags = ZYD_TX_FLAG_BACKOFF; 2242 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2243 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2244 if (totlen > ic->ic_rtsthreshold) { 2245 desc->flags |= ZYD_TX_FLAG_RTS; 2246 } else if (ZYD_RATE_IS_OFDM(rate) && 2247 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2248 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2249 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2250 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2251 desc->flags |= ZYD_TX_FLAG_RTS; 2252 } 2253 } else 2254 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2255 2256 if ((wh->i_fc[0] & 2257 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2258 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2259 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2260 2261 desc->phy = zyd_plcp_signal(rate); 2262 if (ZYD_RATE_IS_OFDM(rate)) { 2263 desc->phy |= ZYD_TX_PHY_OFDM; 2264 if (ic->ic_curmode == IEEE80211_MODE_11A) 2265 desc->phy |= ZYD_TX_PHY_5GHZ; 2266 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2267 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2268 2269 /* actual transmit length (XXX why +10?) */ 2270 pktlen = sizeof(struct zyd_tx_desc) + 10; 2271 if (sc->mac_rev == ZYD_ZD1211) 2272 pktlen += totlen; 2273 desc->pktlen = htole16(pktlen); 2274 2275 desc->plcp_length = (16 * totlen + rate - 1) / rate; 2276 desc->plcp_service = 0; 2277 if (rate == 22) { 2278 const int remainder = (16 * totlen) % 22; 2279 if (remainder != 0 && remainder < 7) 2280 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2281 } 2282 2283 if (sc->sc_drvbpf != NULL) { 2284 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2285 2286 tap->wt_flags = 0; 2287 tap->wt_rate = rate; 2288 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 2289 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 2290 2291 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0, BPF_D_OUT); 2292 } 2293 2294 m_copydata(m0, 0, m0->m_pkthdr.len, 2295 data->buf + sizeof(struct zyd_tx_desc)); 2296 2297 DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n", 2298 device_xname(sc->sc_dev), (size_t)m0->m_pkthdr.len, rate, xferlen)); 2299 2300 m_freem(m0); /* mbuf no longer needed */ 2301 2302 usbd_setup_xfer(data->xfer, data, data->buf, xferlen, 2303 USBD_FORCE_SHORT_XFER, ZYD_TX_TIMEOUT, zyd_txeof); 2304 error = usbd_transfer(data->xfer); 2305 if (error != USBD_IN_PROGRESS && error != 0) { 2306 ifp->if_oerrors++; 2307 return EIO; 2308 } 2309 sc->tx_queued++; 2310 2311 return 0; 2312 } 2313 2314 Static void 2315 zyd_start(struct ifnet *ifp) 2316 { 2317 struct zyd_softc *sc = ifp->if_softc; 2318 struct ieee80211com *ic = &sc->sc_ic; 2319 struct ether_header *eh; 2320 struct ieee80211_node *ni; 2321 struct mbuf *m0; 2322 2323 for (;;) { 2324 IF_POLL(&ic->ic_mgtq, m0); 2325 if (m0 != NULL) { 2326 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2327 ifp->if_flags |= IFF_OACTIVE; 2328 break; 2329 } 2330 IF_DEQUEUE(&ic->ic_mgtq, m0); 2331 2332 ni = M_GETCTX(m0, struct ieee80211_node *); 2333 M_CLEARCTX(m0); 2334 bpf_mtap3(ic->ic_rawbpf, m0, BPF_D_OUT); 2335 if (zyd_tx_mgt(sc, m0, ni) != 0) 2336 break; 2337 } else { 2338 if (ic->ic_state != IEEE80211_S_RUN) 2339 break; 2340 IFQ_POLL(&ifp->if_snd, m0); 2341 if (m0 == NULL) 2342 break; 2343 if (sc->tx_queued >= ZYD_TX_LIST_CNT) { 2344 ifp->if_flags |= IFF_OACTIVE; 2345 break; 2346 } 2347 IFQ_DEQUEUE(&ifp->if_snd, m0); 2348 2349 if (m0->m_len < sizeof(struct ether_header) && 2350 !(m0 = m_pullup(m0, sizeof(struct ether_header)))) 2351 continue; 2352 2353 eh = mtod(m0, struct ether_header *); 2354 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2355 if (ni == NULL) { 2356 m_freem(m0); 2357 continue; 2358 } 2359 bpf_mtap(ifp, m0, BPF_D_OUT); 2360 if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) { 2361 ieee80211_free_node(ni); 2362 ifp->if_oerrors++; 2363 continue; 2364 } 2365 bpf_mtap3(ic->ic_rawbpf, m0, BPF_D_OUT); 2366 if (zyd_tx_data(sc, m0, ni) != 0) { 2367 ieee80211_free_node(ni); 2368 ifp->if_oerrors++; 2369 break; 2370 } 2371 } 2372 2373 sc->tx_timer = 5; 2374 ifp->if_timer = 1; 2375 } 2376 } 2377 2378 Static void 2379 zyd_watchdog(struct ifnet *ifp) 2380 { 2381 struct zyd_softc *sc = ifp->if_softc; 2382 struct ieee80211com *ic = &sc->sc_ic; 2383 2384 ifp->if_timer = 0; 2385 2386 if (sc->tx_timer > 0) { 2387 if (--sc->tx_timer == 0) { 2388 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 2389 /* zyd_init(ifp); XXX needs a process context ? */ 2390 ifp->if_oerrors++; 2391 return; 2392 } 2393 ifp->if_timer = 1; 2394 } 2395 2396 ieee80211_watchdog(ic); 2397 } 2398 2399 Static int 2400 zyd_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2401 { 2402 struct zyd_softc *sc = ifp->if_softc; 2403 struct ieee80211com *ic = &sc->sc_ic; 2404 int s, error = 0; 2405 2406 s = splnet(); 2407 2408 switch (cmd) { 2409 case SIOCSIFFLAGS: 2410 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 2411 break; 2412 /* XXX re-use ether_ioctl() */ 2413 switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { 2414 case IFF_UP: 2415 zyd_init(ifp); 2416 break; 2417 case IFF_RUNNING: 2418 zyd_stop(ifp, 1); 2419 break; 2420 default: 2421 break; 2422 } 2423 break; 2424 2425 default: 2426 error = ieee80211_ioctl(ic, cmd, data); 2427 } 2428 2429 if (error == ENETRESET) { 2430 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 2431 (IFF_RUNNING | IFF_UP)) 2432 zyd_init(ifp); 2433 error = 0; 2434 } 2435 2436 splx(s); 2437 2438 return error; 2439 } 2440 2441 Static int 2442 zyd_init(struct ifnet *ifp) 2443 { 2444 struct zyd_softc *sc = ifp->if_softc; 2445 struct ieee80211com *ic = &sc->sc_ic; 2446 int i, error; 2447 2448 zyd_stop(ifp, 0); 2449 2450 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2451 DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr))); 2452 error = zyd_set_macaddr(sc, ic->ic_myaddr); 2453 if (error != 0) 2454 return error; 2455 2456 /* we'll do software WEP decryption for now */ 2457 DPRINTF(("setting encryption type\n")); 2458 error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2459 if (error != 0) 2460 return error; 2461 2462 /* promiscuous mode */ 2463 (void)zyd_write32(sc, ZYD_MAC_SNIFFER, 2464 (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0); 2465 2466 (void)zyd_set_rxfilter(sc); 2467 2468 /* switch radio transmitter ON */ 2469 (void)zyd_switch_radio(sc, 1); 2470 2471 /* set basic rates */ 2472 if (ic->ic_curmode == IEEE80211_MODE_11B) 2473 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003); 2474 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2475 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500); 2476 else /* assumes 802.11b/g */ 2477 (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f); 2478 2479 /* set mandatory rates */ 2480 if (ic->ic_curmode == IEEE80211_MODE_11B) 2481 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f); 2482 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2483 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500); 2484 else /* assumes 802.11b/g */ 2485 (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f); 2486 2487 /* set default BSS channel */ 2488 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2489 zyd_set_chan(sc, ic->ic_bss->ni_chan); 2490 2491 /* enable interrupts */ 2492 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2493 2494 /* 2495 * Allocate Tx and Rx xfer queues. 2496 */ 2497 if ((error = zyd_alloc_tx_list(sc)) != 0) { 2498 printf("%s: could not allocate Tx list\n", 2499 device_xname(sc->sc_dev)); 2500 goto fail; 2501 } 2502 if ((error = zyd_alloc_rx_list(sc)) != 0) { 2503 printf("%s: could not allocate Rx list\n", 2504 device_xname(sc->sc_dev)); 2505 goto fail; 2506 } 2507 2508 /* 2509 * Start up the receive pipe. 2510 */ 2511 for (i = 0; i < ZYD_RX_LIST_CNT; i++) { 2512 struct zyd_rx_data *data = &sc->rx_data[i]; 2513 2514 usbd_setup_xfer(data->xfer, data, NULL, ZYX_MAX_RXBUFSZ, 2515 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, zyd_rxeof); 2516 error = usbd_transfer(data->xfer); 2517 if (error != USBD_IN_PROGRESS && error != 0) { 2518 printf("%s: could not queue Rx transfer\n", 2519 device_xname(sc->sc_dev)); 2520 goto fail; 2521 } 2522 } 2523 2524 ifp->if_flags &= ~IFF_OACTIVE; 2525 ifp->if_flags |= IFF_RUNNING; 2526 2527 if (ic->ic_opmode == IEEE80211_M_MONITOR) 2528 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2529 else 2530 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2531 2532 return 0; 2533 2534 fail: zyd_stop(ifp, 1); 2535 return error; 2536 } 2537 2538 Static void 2539 zyd_stop(struct ifnet *ifp, int disable) 2540 { 2541 struct zyd_softc *sc = ifp->if_softc; 2542 struct ieee80211com *ic = &sc->sc_ic; 2543 2544 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2545 2546 sc->tx_timer = 0; 2547 ifp->if_timer = 0; 2548 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2549 2550 /* switch radio transmitter OFF */ 2551 (void)zyd_switch_radio(sc, 0); 2552 2553 /* disable Rx */ 2554 (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0); 2555 2556 /* disable interrupts */ 2557 (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0); 2558 2559 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]); 2560 usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]); 2561 2562 zyd_free_rx_list(sc); 2563 zyd_free_tx_list(sc); 2564 } 2565 2566 Static int 2567 zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size) 2568 { 2569 usb_device_request_t req; 2570 uint16_t addr; 2571 uint8_t stat; 2572 2573 DPRINTF(("firmware size=%zu\n", size)); 2574 2575 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2576 req.bRequest = ZYD_DOWNLOADREQ; 2577 USETW(req.wIndex, 0); 2578 2579 addr = ZYD_FIRMWARE_START_ADDR; 2580 while (size > 0) { 2581 #if 0 2582 const int mlen = uimin(size, 4096); 2583 #else 2584 /* 2585 * XXXX: When the transfer size is 4096 bytes, it is not 2586 * likely to be able to transfer it. 2587 * The cause is port or machine or chip? 2588 */ 2589 const int mlen = uimin(size, 64); 2590 #endif 2591 2592 DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen, 2593 addr)); 2594 2595 USETW(req.wValue, addr); 2596 USETW(req.wLength, mlen); 2597 if (usbd_do_request(sc->sc_udev, &req, fw) != 0) 2598 return EIO; 2599 2600 addr += mlen / 2; 2601 fw += mlen; 2602 size -= mlen; 2603 } 2604 2605 /* check whether the upload succeeded */ 2606 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2607 req.bRequest = ZYD_DOWNLOADSTS; 2608 USETW(req.wValue, 0); 2609 USETW(req.wIndex, 0); 2610 USETW(req.wLength, sizeof(stat)); 2611 if (usbd_do_request(sc->sc_udev, &req, &stat) != 0) 2612 return EIO; 2613 2614 return (stat & 0x80) ? EIO : 0; 2615 } 2616 2617 Static void 2618 zyd_iter_func(void *arg, struct ieee80211_node *ni) 2619 { 2620 struct zyd_softc *sc = arg; 2621 struct zyd_node *zn = (struct zyd_node *)ni; 2622 2623 ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn); 2624 } 2625 2626 Static void 2627 zyd_amrr_timeout(void *arg) 2628 { 2629 struct zyd_softc *sc = arg; 2630 struct ieee80211com *ic = &sc->sc_ic; 2631 int s; 2632 2633 s = splnet(); 2634 if (ic->ic_opmode == IEEE80211_M_STA) 2635 zyd_iter_func(sc, ic->ic_bss); 2636 else 2637 ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc); 2638 splx(s); 2639 2640 callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc); 2641 } 2642 2643 Static void 2644 zyd_newassoc(struct ieee80211_node *ni, int isnew) 2645 { 2646 struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc; 2647 int i; 2648 2649 ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn); 2650 2651 /* set rate to some reasonable initial value */ 2652 for (i = ni->ni_rates.rs_nrates - 1; 2653 i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72; 2654 i--); 2655 ni->ni_txrate = i; 2656 } 2657 2658 static int 2659 zyd_activate(device_t self, enum devact act) 2660 { 2661 struct zyd_softc *sc = device_private(self); 2662 2663 switch (act) { 2664 case DVACT_DEACTIVATE: 2665 if_deactivate(&sc->sc_if); 2666 return 0; 2667 default: 2668 return EOPNOTSUPP; 2669 } 2670 } 2671
Indexes created Mon Oct 13 16:09:52 GMT 2025