if_zyd.c revision 193803
1/* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2/* $NetBSD: if_zyd.c,v 1.7 2007/06/21 04:04:29 kiyohara Exp $ */ 3/* $FreeBSD: head/sys/dev/usb/wlan/if_zyd.c 193803 2009-06-09 04:17:08Z weongyo $ */ 4 5/*- 6 * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr> 7 * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de> 8 * 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22#include <sys/cdefs.h> 23__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_zyd.c 193803 2009-06-09 04:17:08Z weongyo $"); 24 25/* 26 * ZyDAS ZD1211/ZD1211B USB WLAN driver. 27 */ 28 29#include <sys/param.h> 30#include <sys/sockio.h> 31#include <sys/sysctl.h> 32#include <sys/lock.h> 33#include <sys/mutex.h> 34#include <sys/mbuf.h> 35#include <sys/kernel.h> 36#include <sys/socket.h> 37#include <sys/systm.h> 38#include <sys/malloc.h> 39#include <sys/module.h> 40#include <sys/bus.h> 41#include <sys/endian.h> 42#include <sys/kdb.h> 43 44#include <machine/bus.h> 45#include <machine/resource.h> 46#include <sys/rman.h> 47 48#include <net/bpf.h> 49#include <net/if.h> 50#include <net/if_arp.h> 51#include <net/ethernet.h> 52#include <net/if_dl.h> 53#include <net/if_media.h> 54#include <net/if_types.h> 55 56#ifdef INET 57#include <netinet/in.h> 58#include <netinet/in_systm.h> 59#include <netinet/in_var.h> 60#include <netinet/if_ether.h> 61#include <netinet/ip.h> 62#endif 63 64#include <net80211/ieee80211_var.h> 65#include <net80211/ieee80211_regdomain.h> 66#include <net80211/ieee80211_radiotap.h> 67#include <net80211/ieee80211_amrr.h> 68 69#include <dev/usb/usb.h> 70#include <dev/usb/usb_error.h> 71#include <dev/usb/usb_core.h> 72#include <dev/usb/usb_lookup.h> 73#include <dev/usb/usb_debug.h> 74#include <dev/usb/usb_request.h> 75#include <dev/usb/usb_busdma.h> 76#include <dev/usb/usb_util.h> 77#include "usbdevs.h" 78 79#include <dev/usb/wlan/if_zydreg.h> 80#include <dev/usb/wlan/if_zydfw.h> 81 82#if USB_DEBUG 83static int zyd_debug = 0; 84 85SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd"); 86SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RW, &zyd_debug, 0, 87 "zyd debug level"); 88 89enum { 90 ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 91 ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */ 92 ZYD_DEBUG_RESET = 0x00000004, /* reset processing */ 93 ZYD_DEBUG_INIT = 0x00000008, /* device init */ 94 ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 95 ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 96 ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 97 ZYD_DEBUG_STAT = 0x00000080, /* statistic */ 98 ZYD_DEBUG_FW = 0x00000100, /* firmware */ 99 ZYD_DEBUG_CMD = 0x00000200, /* fw commands */ 100 ZYD_DEBUG_ANY = 0xffffffff 101}; 102#define DPRINTF(sc, m, fmt, ...) do { \ 103 if (zyd_debug & (m)) \ 104 printf("%s: " fmt, __func__, ## __VA_ARGS__); \ 105} while (0) 106#else 107#define DPRINTF(sc, m, fmt, ...) do { \ 108 (void) sc; \ 109} while (0) 110#endif 111 112#define zyd_do_request(sc,req,data) \ 113 usb2_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000) 114 115static device_probe_t zyd_match; 116static device_attach_t zyd_attach; 117static device_detach_t zyd_detach; 118 119static usb_callback_t zyd_intr_read_callback; 120static usb_callback_t zyd_intr_write_callback; 121static usb_callback_t zyd_bulk_read_callback; 122static usb_callback_t zyd_bulk_write_callback; 123 124static struct ieee80211vap *zyd_vap_create(struct ieee80211com *, 125 const char name[IFNAMSIZ], int unit, int opmode, 126 int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 127 const uint8_t mac[IEEE80211_ADDR_LEN]); 128static void zyd_vap_delete(struct ieee80211vap *); 129static void zyd_tx_free(struct zyd_tx_data *, int); 130static void zyd_setup_tx_list(struct zyd_softc *); 131static void zyd_unsetup_tx_list(struct zyd_softc *); 132static struct ieee80211_node *zyd_node_alloc(struct ieee80211vap *, 133 const uint8_t mac[IEEE80211_ADDR_LEN]); 134static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int); 135static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 136 void *, int, int); 137static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 138static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 139static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 140static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 141static int zyd_rfwrite(struct zyd_softc *, uint32_t); 142static int zyd_lock_phy(struct zyd_softc *); 143static int zyd_unlock_phy(struct zyd_softc *); 144static int zyd_rf_attach(struct zyd_softc *, uint8_t); 145static const char *zyd_rf_name(uint8_t); 146static int zyd_hw_init(struct zyd_softc *); 147static int zyd_read_pod(struct zyd_softc *); 148static int zyd_read_eeprom(struct zyd_softc *); 149static int zyd_get_macaddr(struct zyd_softc *); 150static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 151static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 152static int zyd_switch_radio(struct zyd_softc *, int); 153static int zyd_set_led(struct zyd_softc *, int, int); 154static void zyd_set_multi(struct zyd_softc *); 155static void zyd_update_mcast(struct ifnet *); 156static int zyd_set_rxfilter(struct zyd_softc *); 157static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 158static int zyd_set_beacon_interval(struct zyd_softc *, int); 159static void zyd_rx_data(struct usb_xfer *, int, uint16_t); 160static int zyd_tx_start(struct zyd_softc *, struct mbuf *, 161 struct ieee80211_node *); 162static void zyd_start(struct ifnet *); 163static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *, 164 const struct ieee80211_bpf_params *); 165static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 166static void zyd_init_locked(struct zyd_softc *); 167static void zyd_init(void *); 168static void zyd_stop(struct zyd_softc *); 169static int zyd_loadfirmware(struct zyd_softc *); 170static void zyd_newassoc(struct ieee80211_node *, int); 171static void zyd_scan_start(struct ieee80211com *); 172static void zyd_scan_end(struct ieee80211com *); 173static void zyd_set_channel(struct ieee80211com *); 174static int zyd_rfmd_init(struct zyd_rf *); 175static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 176static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 177static int zyd_al2230_init(struct zyd_rf *); 178static int zyd_al2230_switch_radio(struct zyd_rf *, int); 179static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 180static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t); 181static int zyd_al2230_init_b(struct zyd_rf *); 182static int zyd_al7230B_init(struct zyd_rf *); 183static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 184static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 185static int zyd_al2210_init(struct zyd_rf *); 186static int zyd_al2210_switch_radio(struct zyd_rf *, int); 187static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 188static int zyd_gct_init(struct zyd_rf *); 189static int zyd_gct_switch_radio(struct zyd_rf *, int); 190static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 191static int zyd_gct_mode(struct zyd_rf *); 192static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int); 193static int zyd_gct_write(struct zyd_rf *, uint16_t); 194static int zyd_gct_txgain(struct zyd_rf *, uint8_t); 195static int zyd_maxim2_init(struct zyd_rf *); 196static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 197static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 198 199static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 200static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 201 202/* various supported device vendors/products */ 203#define ZYD_ZD1211 0 204#define ZYD_ZD1211B 1 205 206#define ZYD_ZD1211_DEV(v,p) \ 207 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) } 208#define ZYD_ZD1211B_DEV(v,p) \ 209 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) } 210static const struct usb_device_id zyd_devs[] = { 211 /* ZYD_ZD1211 */ 212 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 213 ZYD_ZD1211_DEV(ABOCOM, WL54), 214 ZYD_ZD1211_DEV(ASUS, WL159G), 215 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 216 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 217 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 218 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 219 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 220 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 221 ZYD_ZD1211_DEV(SAGEM, XG760A), 222 ZYD_ZD1211_DEV(SENAO, NUB8301), 223 ZYD_ZD1211_DEV(SITECOMEU, WL113), 224 ZYD_ZD1211_DEV(SWEEX, ZD1211), 225 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 226 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 227 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 228 ZYD_ZD1211_DEV(TWINMOS, G240), 229 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 230 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 231 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 232 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 233 ZYD_ZD1211_DEV(ZCOM, ZD1211), 234 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 235 ZYD_ZD1211_DEV(ZYXEL, AG225H), 236 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 237 ZYD_ZD1211_DEV(ZYXEL, G200V2), 238 /* ZYD_ZD1211B */ 239 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 240 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 241 ZYD_ZD1211B_DEV(ASUS, A9T_WIFI), 242 ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000), 243 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 244 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 245 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 246 ZYD_ZD1211B_DEV(MELCO, KG54L), 247 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 248 ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS), 249 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 250 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 251 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 252 ZYD_ZD1211B_DEV(USR, USR5423), 253 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 254 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 255 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 256 ZYD_ZD1211B_DEV(ZYXEL, M202), 257 ZYD_ZD1211B_DEV(ZYXEL, G202), 258 ZYD_ZD1211B_DEV(ZYXEL, G220V2) 259}; 260 261static const struct usb_config zyd_config[ZYD_N_TRANSFER] = { 262 [ZYD_BULK_WR] = { 263 .type = UE_BULK, 264 .endpoint = UE_ADDR_ANY, 265 .direction = UE_DIR_OUT, 266 .bufsize = ZYD_MAX_TXBUFSZ, 267 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 268 .callback = zyd_bulk_write_callback, 269 .ep_index = 0, 270 .timeout = 10000, /* 10 seconds */ 271 }, 272 [ZYD_BULK_RD] = { 273 .type = UE_BULK, 274 .endpoint = UE_ADDR_ANY, 275 .direction = UE_DIR_IN, 276 .bufsize = ZYX_MAX_RXBUFSZ, 277 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 278 .callback = zyd_bulk_read_callback, 279 .ep_index = 0, 280 }, 281 [ZYD_INTR_WR] = { 282 .type = UE_BULK_INTR, 283 .endpoint = UE_ADDR_ANY, 284 .direction = UE_DIR_OUT, 285 .bufsize = sizeof(struct zyd_cmd), 286 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 287 .callback = zyd_intr_write_callback, 288 .timeout = 1000, /* 1 second */ 289 .ep_index = 1, 290 }, 291 [ZYD_INTR_RD] = { 292 .type = UE_INTERRUPT, 293 .endpoint = UE_ADDR_ANY, 294 .direction = UE_DIR_IN, 295 .bufsize = sizeof(struct zyd_cmd), 296 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 297 .callback = zyd_intr_read_callback, 298 }, 299}; 300#define zyd_read16_m(sc, val, data) do { \ 301 error = zyd_read16(sc, val, data); \ 302 if (error != 0) \ 303 goto fail; \ 304} while (0) 305#define zyd_write16_m(sc, val, data) do { \ 306 error = zyd_write16(sc, val, data); \ 307 if (error != 0) \ 308 goto fail; \ 309} while (0) 310#define zyd_read32_m(sc, val, data) do { \ 311 error = zyd_read32(sc, val, data); \ 312 if (error != 0) \ 313 goto fail; \ 314} while (0) 315#define zyd_write32_m(sc, val, data) do { \ 316 error = zyd_write32(sc, val, data); \ 317 if (error != 0) \ 318 goto fail; \ 319} while (0) 320 321static int 322zyd_match(device_t dev) 323{ 324 struct usb_attach_arg *uaa = device_get_ivars(dev); 325 326 if (uaa->usb_mode != USB_MODE_HOST) 327 return (ENXIO); 328 if (uaa->info.bConfigIndex != ZYD_CONFIG_INDEX) 329 return (ENXIO); 330 if (uaa->info.bIfaceIndex != ZYD_IFACE_INDEX) 331 return (ENXIO); 332 333 return (usb2_lookup_id_by_uaa(zyd_devs, sizeof(zyd_devs), uaa)); 334} 335 336static int 337zyd_attach(device_t dev) 338{ 339 struct usb_attach_arg *uaa = device_get_ivars(dev); 340 struct zyd_softc *sc = device_get_softc(dev); 341 struct ifnet *ifp; 342 struct ieee80211com *ic; 343 uint8_t iface_index, bands; 344 int error; 345 346 if (uaa->info.bcdDevice < 0x4330) { 347 device_printf(dev, "device version mismatch: 0x%X " 348 "(only >= 43.30 supported)\n", 349 uaa->info.bcdDevice); 350 return (EINVAL); 351 } 352 353 device_set_usb2_desc(dev); 354 sc->sc_dev = dev; 355 sc->sc_udev = uaa->device; 356 sc->sc_macrev = USB_GET_DRIVER_INFO(uaa); 357 358 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 359 MTX_NETWORK_LOCK, MTX_DEF); 360 STAILQ_INIT(&sc->sc_rqh); 361 362 iface_index = ZYD_IFACE_INDEX; 363 error = usb2_transfer_setup(uaa->device, 364 &iface_index, sc->sc_xfer, zyd_config, 365 ZYD_N_TRANSFER, sc, &sc->sc_mtx); 366 if (error) { 367 device_printf(dev, "could not allocate USB transfers, " 368 "err=%s\n", usb2_errstr(error)); 369 goto detach; 370 } 371 372 ZYD_LOCK(sc); 373 if ((error = zyd_get_macaddr(sc)) != 0) { 374 device_printf(sc->sc_dev, "could not read EEPROM\n"); 375 ZYD_UNLOCK(sc); 376 goto detach; 377 } 378 ZYD_UNLOCK(sc); 379 380 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 381 if (ifp == NULL) { 382 device_printf(sc->sc_dev, "can not if_alloc()\n"); 383 goto detach; 384 } 385 ifp->if_softc = sc; 386 if_initname(ifp, "zyd", device_get_unit(sc->sc_dev)); 387 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 388 ifp->if_init = zyd_init; 389 ifp->if_ioctl = zyd_ioctl; 390 ifp->if_start = zyd_start; 391 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 392 IFQ_SET_READY(&ifp->if_snd); 393 394 ic = ifp->if_l2com; 395 ic->ic_ifp = ifp; 396 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 397 ic->ic_opmode = IEEE80211_M_STA; 398 399 /* set device capabilities */ 400 ic->ic_caps = 401 IEEE80211_C_STA /* station mode */ 402 | IEEE80211_C_MONITOR /* monitor mode */ 403 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 404 | IEEE80211_C_SHSLOT /* short slot time supported */ 405 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 406 | IEEE80211_C_WPA /* 802.11i */ 407 ; 408 409 bands = 0; 410 setbit(&bands, IEEE80211_MODE_11B); 411 setbit(&bands, IEEE80211_MODE_11G); 412 ieee80211_init_channels(ic, NULL, &bands); 413 414 ieee80211_ifattach(ic, sc->sc_bssid); 415 ic->ic_newassoc = zyd_newassoc; 416 ic->ic_raw_xmit = zyd_raw_xmit; 417 ic->ic_node_alloc = zyd_node_alloc; 418 ic->ic_scan_start = zyd_scan_start; 419 ic->ic_scan_end = zyd_scan_end; 420 ic->ic_set_channel = zyd_set_channel; 421 422 ic->ic_vap_create = zyd_vap_create; 423 ic->ic_vap_delete = zyd_vap_delete; 424 ic->ic_update_mcast = zyd_update_mcast; 425 ic->ic_update_promisc = zyd_update_mcast; 426 427 ieee80211_radiotap_attach(ic, 428 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 429 ZYD_TX_RADIOTAP_PRESENT, 430 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 431 ZYD_RX_RADIOTAP_PRESENT); 432 433 if (bootverbose) 434 ieee80211_announce(ic); 435 436 return (0); 437 438detach: 439 zyd_detach(dev); 440 return (ENXIO); /* failure */ 441} 442 443static int 444zyd_detach(device_t dev) 445{ 446 struct zyd_softc *sc = device_get_softc(dev); 447 struct ifnet *ifp = sc->sc_ifp; 448 struct ieee80211com *ic; 449 450 /* stop all USB transfers */ 451 usb2_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 452 453 /* free TX list, if any */ 454 zyd_unsetup_tx_list(sc); 455 456 if (ifp) { 457 ic = ifp->if_l2com; 458 ieee80211_ifdetach(ic); 459 if_free(ifp); 460 } 461 mtx_destroy(&sc->sc_mtx); 462 463 return (0); 464} 465 466static struct ieee80211vap * 467zyd_vap_create(struct ieee80211com *ic, 468 const char name[IFNAMSIZ], int unit, int opmode, int flags, 469 const uint8_t bssid[IEEE80211_ADDR_LEN], 470 const uint8_t mac[IEEE80211_ADDR_LEN]) 471{ 472 struct zyd_vap *zvp; 473 struct ieee80211vap *vap; 474 475 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 476 return (NULL); 477 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap), 478 M_80211_VAP, M_NOWAIT | M_ZERO); 479 if (zvp == NULL) 480 return (NULL); 481 vap = &zvp->vap; 482 /* enable s/w bmiss handling for sta mode */ 483 ieee80211_vap_setup(ic, vap, name, unit, opmode, 484 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 485 486 /* override state transition machine */ 487 zvp->newstate = vap->iv_newstate; 488 vap->iv_newstate = zyd_newstate; 489 490 ieee80211_amrr_init(&zvp->amrr, vap, 491 IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD, 492 IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD, 493 1000 /* 1 sec */); 494 495 /* complete setup */ 496 ieee80211_vap_attach(vap, ieee80211_media_change, 497 ieee80211_media_status); 498 ic->ic_opmode = opmode; 499 return (vap); 500} 501 502static void 503zyd_vap_delete(struct ieee80211vap *vap) 504{ 505 struct zyd_vap *zvp = ZYD_VAP(vap); 506 507 ieee80211_amrr_cleanup(&zvp->amrr); 508 ieee80211_vap_detach(vap); 509 free(zvp, M_80211_VAP); 510} 511 512static void 513zyd_tx_free(struct zyd_tx_data *data, int txerr) 514{ 515 struct zyd_softc *sc = data->sc; 516 517 if (data->m != NULL) { 518 if (data->m->m_flags & M_TXCB) 519 ieee80211_process_callback(data->ni, data->m, 520 txerr ? ETIMEDOUT : 0); 521 m_freem(data->m); 522 data->m = NULL; 523 524 ieee80211_free_node(data->ni); 525 data->ni = NULL; 526 } 527 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 528 sc->tx_nfree++; 529} 530 531static void 532zyd_setup_tx_list(struct zyd_softc *sc) 533{ 534 struct zyd_tx_data *data; 535 int i; 536 537 sc->tx_nfree = 0; 538 STAILQ_INIT(&sc->tx_q); 539 STAILQ_INIT(&sc->tx_free); 540 541 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 542 data = &sc->tx_data[i]; 543 544 data->sc = sc; 545 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 546 sc->tx_nfree++; 547 } 548} 549 550static void 551zyd_unsetup_tx_list(struct zyd_softc *sc) 552{ 553 struct zyd_tx_data *data; 554 int i; 555 556 /* make sure any subsequent use of the queues will fail */ 557 sc->tx_nfree = 0; 558 STAILQ_INIT(&sc->tx_q); 559 STAILQ_INIT(&sc->tx_free); 560 561 /* free up all node references and mbufs */ 562 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 563 data = &sc->tx_data[i]; 564 565 if (data->m != NULL) { 566 m_freem(data->m); 567 data->m = NULL; 568 } 569 if (data->ni != NULL) { 570 ieee80211_free_node(data->ni); 571 data->ni = NULL; 572 } 573 } 574} 575 576/* ARGUSED */ 577static struct ieee80211_node * 578zyd_node_alloc(struct ieee80211vap *vap __unused, 579 const uint8_t mac[IEEE80211_ADDR_LEN] __unused) 580{ 581 struct zyd_node *zn; 582 583 zn = malloc(sizeof(struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO); 584 return (zn != NULL) ? (&zn->ni) : (NULL); 585} 586 587static int 588zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 589{ 590 struct zyd_vap *zvp = ZYD_VAP(vap); 591 struct ieee80211com *ic = vap->iv_ic; 592 struct zyd_softc *sc = ic->ic_ifp->if_softc; 593 struct ieee80211_node *ni; 594 int error; 595 596 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__, 597 ieee80211_state_name[vap->iv_state], 598 ieee80211_state_name[nstate]); 599 600 IEEE80211_UNLOCK(ic); 601 ZYD_LOCK(sc); 602 switch (nstate) { 603 case IEEE80211_S_AUTH: 604 zyd_set_chan(sc, ic->ic_curchan); 605 break; 606 case IEEE80211_S_RUN: 607 ni = vap->iv_bss; 608 if (vap->iv_opmode == IEEE80211_M_MONITOR) 609 break; 610 611 /* turn link LED on */ 612 error = zyd_set_led(sc, ZYD_LED1, 1); 613 if (error != 0) 614 break; 615 616 /* make data LED blink upon Tx */ 617 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 618 619 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 620 zyd_set_bssid(sc, sc->sc_bssid); 621 break; 622 default: 623 break; 624 } 625fail: 626 ZYD_UNLOCK(sc); 627 IEEE80211_LOCK(ic); 628 return (zvp->newstate(vap, nstate, arg)); 629} 630 631/* 632 * Callback handler for interrupt transfer 633 */ 634static void 635zyd_intr_read_callback(struct usb_xfer *xfer) 636{ 637 struct zyd_softc *sc = xfer->priv_sc; 638 struct ifnet *ifp = sc->sc_ifp; 639 struct ieee80211com *ic = ifp->if_l2com; 640 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 641 struct ieee80211_node *ni; 642 struct zyd_cmd *cmd = &sc->sc_ibuf; 643 int datalen; 644 645 switch (USB_GET_STATE(xfer)) { 646 case USB_ST_TRANSFERRED: 647 usb2_copy_out(xfer->frbuffers, 0, cmd, sizeof(*cmd)); 648 649 switch (le16toh(cmd->code)) { 650 case ZYD_NOTIF_RETRYSTATUS: 651 { 652 struct zyd_notif_retry *retry = 653 (struct zyd_notif_retry *)cmd->data; 654 655 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 656 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 657 le16toh(retry->rate), ether_sprintf(retry->macaddr), 658 le16toh(retry->count)&0xff, le16toh(retry->count)); 659 660 /* 661 * Find the node to which the packet was sent and 662 * update its retry statistics. In BSS mode, this node 663 * is the AP we're associated to so no lookup is 664 * actually needed. 665 */ 666 ni = ieee80211_find_txnode(vap, retry->macaddr); 667 if (ni != NULL) { 668 ieee80211_amrr_tx_complete(&ZYD_NODE(ni)->amn, 669 IEEE80211_AMRR_FAILURE, 1); 670 ieee80211_free_node(ni); 671 } 672 if (le16toh(retry->count) & 0x100) 673 ifp->if_oerrors++; /* too many retries */ 674 break; 675 } 676 case ZYD_NOTIF_IORD: 677 { 678 struct zyd_rq *rqp; 679 680 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 681 break; /* HMAC interrupt */ 682 683 datalen = xfer->actlen - sizeof(cmd->code); 684 datalen -= 2; /* XXX: padding? */ 685 686 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 687 int i, cnt; 688 689 if (rqp->olen != datalen) 690 continue; 691 cnt = rqp->olen / sizeof(struct zyd_pair); 692 for (i = 0; i < cnt; i++) { 693 if (*(((const uint16_t *)rqp->idata) + i) != 694 (((struct zyd_pair *)cmd->data) + i)->reg) 695 break; 696 } 697 if (i != cnt) 698 continue; 699 /* copy answer into caller-supplied buffer */ 700 bcopy(cmd->data, rqp->odata, rqp->olen); 701 DPRINTF(sc, ZYD_DEBUG_CMD, 702 "command %p complete, data = %*D \n", 703 rqp, rqp->olen, rqp->odata, ":"); 704 wakeup(rqp); /* wakeup caller */ 705 break; 706 } 707 if (rqp == NULL) { 708 device_printf(sc->sc_dev, 709 "unexpected IORD notification %*D\n", 710 datalen, cmd->data, ":"); 711 } 712 break; 713 } 714 default: 715 device_printf(sc->sc_dev, "unknown notification %x\n", 716 le16toh(cmd->code)); 717 } 718 719 /* FALLTHROUGH */ 720 case USB_ST_SETUP: 721tr_setup: 722 xfer->frlengths[0] = xfer->max_data_length; 723 usb2_start_hardware(xfer); 724 break; 725 726 default: /* Error */ 727 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 728 usb2_errstr(xfer->error)); 729 730 if (xfer->error != USB_ERR_CANCELLED) { 731 /* try to clear stall first */ 732 xfer->flags.stall_pipe = 1; 733 goto tr_setup; 734 } 735 break; 736 } 737} 738 739static void 740zyd_intr_write_callback(struct usb_xfer *xfer) 741{ 742 struct zyd_softc *sc = xfer->priv_sc; 743 struct zyd_rq *rqp; 744 745 switch (USB_GET_STATE(xfer)) { 746 case USB_ST_TRANSFERRED: 747 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", 748 xfer->priv_fifo); 749 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 750 /* Ensure the cached rq pointer is still valid */ 751 if (rqp == xfer->priv_fifo && 752 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 753 wakeup(rqp); /* wakeup caller */ 754 } 755 756 /* FALLTHROUGH */ 757 case USB_ST_SETUP: 758tr_setup: 759 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 760 if (rqp->flags & ZYD_CMD_FLAG_SENT) 761 continue; 762 763 usb2_copy_in(xfer->frbuffers, 0, rqp->cmd, rqp->ilen); 764 765 xfer->frlengths[0] = rqp->ilen; 766 xfer->priv_fifo = rqp; 767 rqp->flags |= ZYD_CMD_FLAG_SENT; 768 usb2_start_hardware(xfer); 769 break; 770 } 771 break; 772 773 default: /* Error */ 774 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 775 usb2_errstr(xfer->error)); 776 777 if (xfer->error != USB_ERR_CANCELLED) { 778 /* try to clear stall first */ 779 xfer->flags.stall_pipe = 1; 780 goto tr_setup; 781 } 782 break; 783 } 784} 785 786static int 787zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 788 void *odata, int olen, int flags) 789{ 790 struct zyd_cmd cmd; 791 struct zyd_rq rq; 792 int error; 793 794 if (ilen > sizeof(cmd.data)) 795 return (EINVAL); 796 797 cmd.code = htole16(code); 798 bcopy(idata, cmd.data, ilen); 799 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 800 &rq, ilen, idata, ":"); 801 802 rq.cmd = &cmd; 803 rq.idata = idata; 804 rq.odata = odata; 805 rq.ilen = sizeof(uint16_t) + ilen; 806 rq.olen = olen; 807 rq.flags = flags; 808 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 809 usb2_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 810 usb2_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 811 812 /* wait at most one second for command reply */ 813 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 814 if (error) 815 device_printf(sc->sc_dev, "command timeout\n"); 816 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 817 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 818 &rq, error); 819 820 return (error); 821} 822 823static int 824zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 825{ 826 struct zyd_pair tmp; 827 int error; 828 829 reg = htole16(reg); 830 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 831 ZYD_CMD_FLAG_READ); 832 if (error == 0) 833 *val = le16toh(tmp.val); 834 return (error); 835} 836 837static int 838zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 839{ 840 struct zyd_pair tmp[2]; 841 uint16_t regs[2]; 842 int error; 843 844 regs[0] = htole16(ZYD_REG32_HI(reg)); 845 regs[1] = htole16(ZYD_REG32_LO(reg)); 846 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 847 ZYD_CMD_FLAG_READ); 848 if (error == 0) 849 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 850 return (error); 851} 852 853static int 854zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 855{ 856 struct zyd_pair pair; 857 858 pair.reg = htole16(reg); 859 pair.val = htole16(val); 860 861 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 862} 863 864static int 865zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 866{ 867 struct zyd_pair pair[2]; 868 869 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 870 pair[0].val = htole16(val >> 16); 871 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 872 pair[1].val = htole16(val & 0xffff); 873 874 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 875} 876 877static int 878zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 879{ 880 struct zyd_rf *rf = &sc->sc_rf; 881 struct zyd_rfwrite_cmd req; 882 uint16_t cr203; 883 int error, i; 884 885 zyd_read16_m(sc, ZYD_CR203, &cr203); 886 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 887 888 req.code = htole16(2); 889 req.width = htole16(rf->width); 890 for (i = 0; i < rf->width; i++) { 891 req.bit[i] = htole16(cr203); 892 if (val & (1 << (rf->width - 1 - i))) 893 req.bit[i] |= htole16(ZYD_RF_DATA); 894 } 895 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 896fail: 897 return (error); 898} 899 900static int 901zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 902{ 903 int error; 904 905 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 906 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 907 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 908fail: 909 return (error); 910} 911 912static int 913zyd_lock_phy(struct zyd_softc *sc) 914{ 915 int error; 916 uint32_t tmp; 917 918 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 919 tmp &= ~ZYD_UNLOCK_PHY_REGS; 920 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 921fail: 922 return (error); 923} 924 925static int 926zyd_unlock_phy(struct zyd_softc *sc) 927{ 928 int error; 929 uint32_t tmp; 930 931 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 932 tmp |= ZYD_UNLOCK_PHY_REGS; 933 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 934fail: 935 return (error); 936} 937 938/* 939 * RFMD RF methods. 940 */ 941static int 942zyd_rfmd_init(struct zyd_rf *rf) 943{ 944#define N(a) (sizeof(a) / sizeof((a)[0])) 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 i, error; 949 950 /* init RF-dependent PHY registers */ 951 for (i = 0; i < N(phyini); i++) { 952 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 953 } 954 955 /* init RFMD radio */ 956 for (i = 0; i < N(rfini); i++) { 957 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 958 return (error); 959 } 960fail: 961 return (error); 962#undef N 963} 964 965static int 966zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 967{ 968 int error; 969 struct zyd_softc *sc = rf->rf_sc; 970 971 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 972 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 973fail: 974 return (error); 975} 976 977static int 978zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 979{ 980 int error; 981 struct zyd_softc *sc = rf->rf_sc; 982 static const struct { 983 uint32_t r1, r2; 984 } rfprog[] = ZYD_RFMD_CHANTABLE; 985 986 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 987 if (error != 0) 988 goto fail; 989 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 990 if (error != 0) 991 goto fail; 992 993fail: 994 return (error); 995} 996 997/* 998 * AL2230 RF methods. 999 */ 1000static int 1001zyd_al2230_init(struct zyd_rf *rf) 1002{ 1003#define N(a) (sizeof(a) / sizeof((a)[0])) 1004 struct zyd_softc *sc = rf->rf_sc; 1005 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1006 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1007 static const struct zyd_phy_pair phypll[] = { 1008 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1009 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1010 }; 1011 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1012 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1013 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1014 int i, error; 1015 1016 /* init RF-dependent PHY registers */ 1017 for (i = 0; i < N(phyini); i++) 1018 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1019 1020 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1021 for (i = 0; i < N(phy2230s); i++) 1022 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1023 } 1024 1025 /* init AL2230 radio */ 1026 for (i = 0; i < N(rfini1); i++) { 1027 error = zyd_rfwrite(sc, rfini1[i]); 1028 if (error != 0) 1029 goto fail; 1030 } 1031 1032 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1033 error = zyd_rfwrite(sc, 0x000824); 1034 else 1035 error = zyd_rfwrite(sc, 0x0005a4); 1036 if (error != 0) 1037 goto fail; 1038 1039 for (i = 0; i < N(rfini2); i++) { 1040 error = zyd_rfwrite(sc, rfini2[i]); 1041 if (error != 0) 1042 goto fail; 1043 } 1044 1045 for (i = 0; i < N(phypll); i++) 1046 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1047 1048 for (i = 0; i < N(rfini3); i++) { 1049 error = zyd_rfwrite(sc, rfini3[i]); 1050 if (error != 0) 1051 goto fail; 1052 } 1053fail: 1054 return (error); 1055#undef N 1056} 1057 1058static int 1059zyd_al2230_fini(struct zyd_rf *rf) 1060{ 1061#define N(a) (sizeof(a) / sizeof((a)[0])) 1062 int error, i; 1063 struct zyd_softc *sc = rf->rf_sc; 1064 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1065 1066 for (i = 0; i < N(phy); i++) 1067 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1068 1069 if (sc->sc_newphy != 0) 1070 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1071 1072 zyd_write16_m(sc, ZYD_CR203, 0x6); 1073fail: 1074 return (error); 1075#undef N 1076} 1077 1078static int 1079zyd_al2230_init_b(struct zyd_rf *rf) 1080{ 1081#define N(a) (sizeof(a) / sizeof((a)[0])) 1082 struct zyd_softc *sc = rf->rf_sc; 1083 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1084 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1085 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1086 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1087 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1088 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1089 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1090 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1091 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1092 int i, error; 1093 1094 for (i = 0; i < N(phy1); i++) 1095 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1096 1097 /* init RF-dependent PHY registers */ 1098 for (i = 0; i < N(phyini); i++) 1099 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1100 1101 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1102 for (i = 0; i < N(phy2230s); i++) 1103 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1104 } 1105 1106 for (i = 0; i < 3; i++) { 1107 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1108 if (error != 0) 1109 return (error); 1110 } 1111 1112 for (i = 0; i < N(rfini_part1); i++) { 1113 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1114 if (error != 0) 1115 return (error); 1116 } 1117 1118 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1119 error = zyd_rfwrite(sc, 0x241000); 1120 else 1121 error = zyd_rfwrite(sc, 0x25a000); 1122 if (error != 0) 1123 goto fail; 1124 1125 for (i = 0; i < N(rfini_part2); i++) { 1126 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1127 if (error != 0) 1128 return (error); 1129 } 1130 1131 for (i = 0; i < N(phy2); i++) 1132 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1133 1134 for (i = 0; i < N(rfini_part3); i++) { 1135 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1136 if (error != 0) 1137 return (error); 1138 } 1139 1140 for (i = 0; i < N(phy3); i++) 1141 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1142 1143 error = zyd_al2230_fini(rf); 1144fail: 1145 return (error); 1146#undef N 1147} 1148 1149static int 1150zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1151{ 1152 struct zyd_softc *sc = rf->rf_sc; 1153 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1154 1155 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1156 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1157fail: 1158 return (error); 1159} 1160 1161static int 1162zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1163{ 1164#define N(a) (sizeof(a) / sizeof((a)[0])) 1165 int error, i; 1166 struct zyd_softc *sc = rf->rf_sc; 1167 static const struct zyd_phy_pair phy1[] = { 1168 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1169 }; 1170 static const struct { 1171 uint32_t r1, r2, r3; 1172 } rfprog[] = ZYD_AL2230_CHANTABLE; 1173 1174 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1175 if (error != 0) 1176 goto fail; 1177 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1178 if (error != 0) 1179 goto fail; 1180 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1181 if (error != 0) 1182 goto fail; 1183 1184 for (i = 0; i < N(phy1); i++) 1185 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1186fail: 1187 return (error); 1188#undef N 1189} 1190 1191static int 1192zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1193{ 1194#define N(a) (sizeof(a) / sizeof((a)[0])) 1195 int error, i; 1196 struct zyd_softc *sc = rf->rf_sc; 1197 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1198 static const struct { 1199 uint32_t r1, r2, r3; 1200 } rfprog[] = ZYD_AL2230_CHANTABLE_B; 1201 1202 for (i = 0; i < N(phy1); i++) 1203 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1204 1205 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1); 1206 if (error != 0) 1207 goto fail; 1208 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2); 1209 if (error != 0) 1210 goto fail; 1211 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3); 1212 if (error != 0) 1213 goto fail; 1214 error = zyd_al2230_fini(rf); 1215fail: 1216 return (error); 1217#undef N 1218} 1219 1220#define ZYD_AL2230_PHY_BANDEDGE6 \ 1221{ \ 1222 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1223 { ZYD_CR47, 0x1e } \ 1224} 1225 1226static int 1227zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1228{ 1229#define N(a) (sizeof(a) / sizeof((a)[0])) 1230 int error = 0, i; 1231 struct zyd_softc *sc = rf->rf_sc; 1232 struct ifnet *ifp = sc->sc_ifp; 1233 struct ieee80211com *ic = ifp->if_l2com; 1234 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1235 int chan = ieee80211_chan2ieee(ic, c); 1236 1237 if (chan == 1 || chan == 11) 1238 r[0].val = 0x12; 1239 1240 for (i = 0; i < N(r); i++) 1241 zyd_write16_m(sc, r[i].reg, r[i].val); 1242fail: 1243 return (error); 1244#undef N 1245} 1246 1247/* 1248 * AL7230B RF methods. 1249 */ 1250static int 1251zyd_al7230B_init(struct zyd_rf *rf) 1252{ 1253#define N(a) (sizeof(a) / sizeof((a)[0])) 1254 struct zyd_softc *sc = rf->rf_sc; 1255 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1256 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1257 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1258 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1259 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1260 int i, error; 1261 1262 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1263 1264 /* init RF-dependent PHY registers, part one */ 1265 for (i = 0; i < N(phyini_1); i++) 1266 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1267 1268 /* init AL7230B radio, part one */ 1269 for (i = 0; i < N(rfini_1); i++) { 1270 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1271 return (error); 1272 } 1273 /* init RF-dependent PHY registers, part two */ 1274 for (i = 0; i < N(phyini_2); i++) 1275 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1276 1277 /* init AL7230B radio, part two */ 1278 for (i = 0; i < N(rfini_2); i++) { 1279 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1280 return (error); 1281 } 1282 /* init RF-dependent PHY registers, part three */ 1283 for (i = 0; i < N(phyini_3); i++) 1284 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1285fail: 1286 return (error); 1287#undef N 1288} 1289 1290static int 1291zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1292{ 1293 int error; 1294 struct zyd_softc *sc = rf->rf_sc; 1295 1296 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1297 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1298fail: 1299 return (error); 1300} 1301 1302static int 1303zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1304{ 1305#define N(a) (sizeof(a) / sizeof((a)[0])) 1306 struct zyd_softc *sc = rf->rf_sc; 1307 static const struct { 1308 uint32_t r1, r2; 1309 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1310 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1311 int i, error; 1312 1313 zyd_write16_m(sc, ZYD_CR240, 0x57); 1314 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1315 1316 for (i = 0; i < N(rfsc); i++) { 1317 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1318 return (error); 1319 } 1320 1321 zyd_write16_m(sc, ZYD_CR128, 0x14); 1322 zyd_write16_m(sc, ZYD_CR129, 0x12); 1323 zyd_write16_m(sc, ZYD_CR130, 0x10); 1324 zyd_write16_m(sc, ZYD_CR38, 0x38); 1325 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1326 1327 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1328 if (error != 0) 1329 goto fail; 1330 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1331 if (error != 0) 1332 goto fail; 1333 error = zyd_rfwrite(sc, 0x3c9000); 1334 if (error != 0) 1335 goto fail; 1336 1337 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1338 zyd_write16_m(sc, ZYD_CR203, 0x06); 1339 zyd_write16_m(sc, ZYD_CR240, 0x08); 1340fail: 1341 return (error); 1342#undef N 1343} 1344 1345/* 1346 * AL2210 RF methods. 1347 */ 1348static int 1349zyd_al2210_init(struct zyd_rf *rf) 1350{ 1351#define N(a) (sizeof(a) / sizeof((a)[0])) 1352 struct zyd_softc *sc = rf->rf_sc; 1353 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1354 static const uint32_t rfini[] = ZYD_AL2210_RF; 1355 uint32_t tmp; 1356 int i, error; 1357 1358 zyd_write32_m(sc, ZYD_CR18, 2); 1359 1360 /* init RF-dependent PHY registers */ 1361 for (i = 0; i < N(phyini); i++) 1362 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1363 1364 /* init AL2210 radio */ 1365 for (i = 0; i < N(rfini); i++) { 1366 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1367 return (error); 1368 } 1369 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1370 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1371 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1372 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1373 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1374 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1375 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1376 zyd_write32_m(sc, ZYD_CR18, 3); 1377fail: 1378 return (error); 1379#undef N 1380} 1381 1382static int 1383zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1384{ 1385 /* vendor driver does nothing for this RF chip */ 1386 1387 return (0); 1388} 1389 1390static int 1391zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1392{ 1393 int error; 1394 struct zyd_softc *sc = rf->rf_sc; 1395 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1396 uint32_t tmp; 1397 1398 zyd_write32_m(sc, ZYD_CR18, 2); 1399 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1400 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1401 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1402 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1403 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1404 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1405 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1406 1407 /* actually set the channel */ 1408 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1409 if (error != 0) 1410 goto fail; 1411 1412 zyd_write32_m(sc, ZYD_CR18, 3); 1413fail: 1414 return (error); 1415} 1416 1417/* 1418 * GCT RF methods. 1419 */ 1420static int 1421zyd_gct_init(struct zyd_rf *rf) 1422{ 1423#define ZYD_GCT_INTR_REG 0x85c1 1424#define N(a) (sizeof(a) / sizeof((a)[0])) 1425 struct zyd_softc *sc = rf->rf_sc; 1426 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1427 static const uint32_t rfini[] = ZYD_GCT_RF; 1428 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1429 int i, idx = -1, error; 1430 uint16_t data; 1431 1432 /* init RF-dependent PHY registers */ 1433 for (i = 0; i < N(phyini); i++) 1434 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1435 1436 /* init cgt radio */ 1437 for (i = 0; i < N(rfini); i++) { 1438 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1439 return (error); 1440 } 1441 1442 error = zyd_gct_mode(rf); 1443 if (error != 0) 1444 return (error); 1445 1446 for (i = 0; i < N(vco) - 1; i++) { 1447 error = zyd_gct_set_channel_synth(rf, 1, 0); 1448 if (error != 0) 1449 goto fail; 1450 error = zyd_gct_write(rf, vco[i][0]); 1451 if (error != 0) 1452 goto fail; 1453 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1454 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1455 if ((data & 0xf) == 0) { 1456 idx = i; 1457 break; 1458 } 1459 } 1460 if (idx == -1) { 1461 error = zyd_gct_set_channel_synth(rf, 1, 1); 1462 if (error != 0) 1463 goto fail; 1464 error = zyd_gct_write(rf, 0x6662); 1465 if (error != 0) 1466 goto fail; 1467 } 1468 1469 rf->idx = idx; 1470 zyd_write16_m(sc, ZYD_CR203, 0x6); 1471fail: 1472 return (error); 1473#undef N 1474#undef ZYD_GCT_INTR_REG 1475} 1476 1477static int 1478zyd_gct_mode(struct zyd_rf *rf) 1479{ 1480#define N(a) (sizeof(a) / sizeof((a)[0])) 1481 struct zyd_softc *sc = rf->rf_sc; 1482 static const uint32_t mode[] = { 1483 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1484 }; 1485 int i, error; 1486 1487 for (i = 0; i < N(mode); i++) { 1488 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1489 break; 1490 } 1491 return (error); 1492#undef N 1493} 1494 1495static int 1496zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1497{ 1498 int error, idx = chan - 1; 1499 struct zyd_softc *sc = rf->rf_sc; 1500 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1501 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1502 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1503 1504 error = zyd_rfwrite(sc, 1505 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1506 if (error != 0) 1507 return (error); 1508 return zyd_rfwrite(sc, div_synth[idx]); 1509} 1510 1511static int 1512zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1513{ 1514 struct zyd_softc *sc = rf->rf_sc; 1515 1516 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1517} 1518 1519static int 1520zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1521{ 1522#define N(a) (sizeof(a) / sizeof((a)[0])) 1523 int error; 1524 struct zyd_softc *sc = rf->rf_sc; 1525 1526 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1527 if (error != 0) 1528 return (error); 1529 1530 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1531 zyd_write16_m(sc, ZYD_CR251, 1532 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1533fail: 1534 return (error); 1535} 1536 1537static int 1538zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1539{ 1540#define N(a) (sizeof(a) / sizeof((a)[0])) 1541 int error, i; 1542 struct zyd_softc *sc = rf->rf_sc; 1543 static const struct zyd_phy_pair cmd[] = { 1544 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1545 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1546 }; 1547 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1548 1549 error = zyd_gct_set_channel_synth(rf, chan, 0); 1550 if (error != 0) 1551 goto fail; 1552 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1553 vco[rf->idx][((chan - 1) / 2)]); 1554 if (error != 0) 1555 goto fail; 1556 error = zyd_gct_mode(rf); 1557 if (error != 0) 1558 return (error); 1559 for (i = 0; i < N(cmd); i++) 1560 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1561 error = zyd_gct_txgain(rf, chan); 1562 if (error != 0) 1563 return (error); 1564 zyd_write16_m(sc, ZYD_CR203, 0x6); 1565fail: 1566 return (error); 1567#undef N 1568} 1569 1570static int 1571zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1572{ 1573#define N(a) (sizeof(a) / sizeof((a)[0])) 1574 struct zyd_softc *sc = rf->rf_sc; 1575 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1576 uint8_t idx = sc->sc_pwrint[chan - 1]; 1577 1578 if (idx >= N(txgain)) { 1579 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1580 chan, idx); 1581 return 0; 1582 } 1583 1584 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1585#undef N 1586} 1587 1588/* 1589 * Maxim2 RF methods. 1590 */ 1591static int 1592zyd_maxim2_init(struct zyd_rf *rf) 1593{ 1594#define N(a) (sizeof(a) / sizeof((a)[0])) 1595 struct zyd_softc *sc = rf->rf_sc; 1596 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1597 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1598 uint16_t tmp; 1599 int i, error; 1600 1601 /* init RF-dependent PHY registers */ 1602 for (i = 0; i < N(phyini); i++) 1603 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1604 1605 zyd_read16_m(sc, ZYD_CR203, &tmp); 1606 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1607 1608 /* init maxim2 radio */ 1609 for (i = 0; i < N(rfini); i++) { 1610 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1611 return (error); 1612 } 1613 zyd_read16_m(sc, ZYD_CR203, &tmp); 1614 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1615fail: 1616 return (error); 1617#undef N 1618} 1619 1620static int 1621zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1622{ 1623 1624 /* vendor driver does nothing for this RF chip */ 1625 return (0); 1626} 1627 1628static int 1629zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1630{ 1631#define N(a) (sizeof(a) / sizeof((a)[0])) 1632 struct zyd_softc *sc = rf->rf_sc; 1633 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1634 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1635 static const struct { 1636 uint32_t r1, r2; 1637 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1638 uint16_t tmp; 1639 int i, error; 1640 1641 /* 1642 * Do the same as we do when initializing it, except for the channel 1643 * values coming from the two channel tables. 1644 */ 1645 1646 /* init RF-dependent PHY registers */ 1647 for (i = 0; i < N(phyini); i++) 1648 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1649 1650 zyd_read16_m(sc, ZYD_CR203, &tmp); 1651 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1652 1653 /* first two values taken from the chantables */ 1654 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1655 if (error != 0) 1656 goto fail; 1657 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1658 if (error != 0) 1659 goto fail; 1660 1661 /* init maxim2 radio - skipping the two first values */ 1662 for (i = 2; i < N(rfini); i++) { 1663 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1664 return (error); 1665 } 1666 zyd_read16_m(sc, ZYD_CR203, &tmp); 1667 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1668fail: 1669 return (error); 1670#undef N 1671} 1672 1673static int 1674zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1675{ 1676 struct zyd_rf *rf = &sc->sc_rf; 1677 1678 rf->rf_sc = sc; 1679 rf->update_pwr = 1; 1680 1681 switch (type) { 1682 case ZYD_RF_RFMD: 1683 rf->init = zyd_rfmd_init; 1684 rf->switch_radio = zyd_rfmd_switch_radio; 1685 rf->set_channel = zyd_rfmd_set_channel; 1686 rf->width = 24; /* 24-bit RF values */ 1687 break; 1688 case ZYD_RF_AL2230: 1689 case ZYD_RF_AL2230S: 1690 if (sc->sc_macrev == ZYD_ZD1211B) { 1691 rf->init = zyd_al2230_init_b; 1692 rf->set_channel = zyd_al2230_set_channel_b; 1693 } else { 1694 rf->init = zyd_al2230_init; 1695 rf->set_channel = zyd_al2230_set_channel; 1696 } 1697 rf->switch_radio = zyd_al2230_switch_radio; 1698 rf->bandedge6 = zyd_al2230_bandedge6; 1699 rf->width = 24; /* 24-bit RF values */ 1700 break; 1701 case ZYD_RF_AL7230B: 1702 rf->init = zyd_al7230B_init; 1703 rf->switch_radio = zyd_al7230B_switch_radio; 1704 rf->set_channel = zyd_al7230B_set_channel; 1705 rf->width = 24; /* 24-bit RF values */ 1706 break; 1707 case ZYD_RF_AL2210: 1708 rf->init = zyd_al2210_init; 1709 rf->switch_radio = zyd_al2210_switch_radio; 1710 rf->set_channel = zyd_al2210_set_channel; 1711 rf->width = 24; /* 24-bit RF values */ 1712 break; 1713 case ZYD_RF_MAXIM_NEW: 1714 case ZYD_RF_GCT: 1715 rf->init = zyd_gct_init; 1716 rf->switch_radio = zyd_gct_switch_radio; 1717 rf->set_channel = zyd_gct_set_channel; 1718 rf->width = 24; /* 24-bit RF values */ 1719 rf->update_pwr = 0; 1720 break; 1721 case ZYD_RF_MAXIM_NEW2: 1722 rf->init = zyd_maxim2_init; 1723 rf->switch_radio = zyd_maxim2_switch_radio; 1724 rf->set_channel = zyd_maxim2_set_channel; 1725 rf->width = 18; /* 18-bit RF values */ 1726 break; 1727 default: 1728 device_printf(sc->sc_dev, 1729 "sorry, radio \"%s\" is not supported yet\n", 1730 zyd_rf_name(type)); 1731 return (EINVAL); 1732 } 1733 return (0); 1734} 1735 1736static const char * 1737zyd_rf_name(uint8_t type) 1738{ 1739 static const char * const zyd_rfs[] = { 1740 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1741 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1742 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1743 "PHILIPS" 1744 }; 1745 1746 return zyd_rfs[(type > 15) ? 0 : type]; 1747} 1748 1749static int 1750zyd_hw_init(struct zyd_softc *sc) 1751{ 1752 int error; 1753 const struct zyd_phy_pair *phyp; 1754 struct zyd_rf *rf = &sc->sc_rf; 1755 uint16_t val; 1756 1757 /* specify that the plug and play is finished */ 1758 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1759 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1760 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1761 sc->sc_fwbase); 1762 1763 /* retrieve firmware revision number */ 1764 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1765 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1766 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1767 /* set mandatory rates - XXX assumes 802.11b/g */ 1768 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1769 1770 /* disable interrupts */ 1771 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1772 1773 if ((error = zyd_read_pod(sc)) != 0) { 1774 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1775 goto fail; 1776 } 1777 1778 /* PHY init (resetting) */ 1779 error = zyd_lock_phy(sc); 1780 if (error != 0) 1781 goto fail; 1782 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1783 for (; phyp->reg != 0; phyp++) 1784 zyd_write16_m(sc, phyp->reg, phyp->val); 1785 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1786 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1787 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1788 } 1789 error = zyd_unlock_phy(sc); 1790 if (error != 0) 1791 goto fail; 1792 1793 /* HMAC init */ 1794 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1795 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1796 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1797 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1798 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1799 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1800 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1801 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1802 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1803 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1804 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1805 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1806 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1807 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1808 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1809 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1810 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1811 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1812 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1813 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1814 1815 if (sc->sc_macrev == ZYD_ZD1211) { 1816 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1817 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1818 } else { 1819 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1820 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1821 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1822 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1823 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1824 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1825 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1826 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1827 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1828 } 1829 1830 /* init beacon interval to 100ms */ 1831 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1832 goto fail; 1833 1834 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1835 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1836 sc->sc_rfrev); 1837 goto fail; 1838 } 1839 1840 /* RF chip init */ 1841 error = zyd_lock_phy(sc); 1842 if (error != 0) 1843 goto fail; 1844 error = (*rf->init)(rf); 1845 if (error != 0) { 1846 device_printf(sc->sc_dev, 1847 "radio initialization failed, error %d\n", error); 1848 goto fail; 1849 } 1850 error = zyd_unlock_phy(sc); 1851 if (error != 0) 1852 goto fail; 1853 1854 if ((error = zyd_read_eeprom(sc)) != 0) { 1855 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1856 goto fail; 1857 } 1858 1859fail: return (error); 1860} 1861 1862static int 1863zyd_read_pod(struct zyd_softc *sc) 1864{ 1865 int error; 1866 uint32_t tmp; 1867 1868 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1869 sc->sc_rfrev = tmp & 0x0f; 1870 sc->sc_ledtype = (tmp >> 4) & 0x01; 1871 sc->sc_al2230s = (tmp >> 7) & 0x01; 1872 sc->sc_cckgain = (tmp >> 8) & 0x01; 1873 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1874 sc->sc_parev = (tmp >> 16) & 0x0f; 1875 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1876 sc->sc_newphy = (tmp >> 31) & 0x01; 1877 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1878fail: 1879 return (error); 1880} 1881 1882static int 1883zyd_read_eeprom(struct zyd_softc *sc) 1884{ 1885 uint16_t val; 1886 int error, i; 1887 1888 /* read Tx power calibration tables */ 1889 for (i = 0; i < 7; i++) { 1890 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1891 sc->sc_pwrcal[i * 2] = val >> 8; 1892 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1893 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1894 sc->sc_pwrint[i * 2] = val >> 8; 1895 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1896 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1897 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1898 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1899 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1900 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1901 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1902 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1903 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1904 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1905 } 1906fail: 1907 return (error); 1908} 1909 1910static int 1911zyd_get_macaddr(struct zyd_softc *sc) 1912{ 1913 struct usb_device_request req; 1914 usb_error_t error; 1915 1916 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1917 req.bRequest = ZYD_READFWDATAREQ; 1918 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1919 USETW(req.wIndex, 0); 1920 USETW(req.wLength, IEEE80211_ADDR_LEN); 1921 1922 error = zyd_do_request(sc, &req, sc->sc_bssid); 1923 if (error != 0) { 1924 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1925 usb2_errstr(error)); 1926 } 1927 1928 return (error); 1929} 1930 1931static int 1932zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1933{ 1934 int error; 1935 uint32_t tmp; 1936 1937 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1938 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1939 tmp = addr[5] << 8 | addr[4]; 1940 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1941fail: 1942 return (error); 1943} 1944 1945static int 1946zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1947{ 1948 int error; 1949 uint32_t tmp; 1950 1951 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1952 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1953 tmp = addr[5] << 8 | addr[4]; 1954 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1955fail: 1956 return (error); 1957} 1958 1959static int 1960zyd_switch_radio(struct zyd_softc *sc, int on) 1961{ 1962 struct zyd_rf *rf = &sc->sc_rf; 1963 int error; 1964 1965 error = zyd_lock_phy(sc); 1966 if (error != 0) 1967 goto fail; 1968 error = (*rf->switch_radio)(rf, on); 1969 if (error != 0) 1970 goto fail; 1971 error = zyd_unlock_phy(sc); 1972fail: 1973 return (error); 1974} 1975 1976static int 1977zyd_set_led(struct zyd_softc *sc, int which, int on) 1978{ 1979 int error; 1980 uint32_t tmp; 1981 1982 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1983 tmp &= ~which; 1984 if (on) 1985 tmp |= which; 1986 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1987fail: 1988 return (error); 1989} 1990 1991static void 1992zyd_set_multi(struct zyd_softc *sc) 1993{ 1994 int error; 1995 struct ifnet *ifp = sc->sc_ifp; 1996 struct ieee80211com *ic = ifp->if_l2com; 1997 struct ifmultiaddr *ifma; 1998 uint32_t low, high; 1999 uint8_t v; 2000 2001 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2002 return; 2003 2004 low = 0x00000000; 2005 high = 0x80000000; 2006 2007 if (ic->ic_opmode == IEEE80211_M_MONITOR || 2008 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 2009 low = 0xffffffff; 2010 high = 0xffffffff; 2011 } else { 2012 IF_ADDR_LOCK(ifp); 2013 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2014 if (ifma->ifma_addr->sa_family != AF_LINK) 2015 continue; 2016 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 2017 ifma->ifma_addr))[5] >> 2; 2018 if (v < 32) 2019 low |= 1 << v; 2020 else 2021 high |= 1 << (v - 32); 2022 } 2023 IF_ADDR_UNLOCK(ifp); 2024 } 2025 2026 /* reprogram multicast global hash table */ 2027 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2028 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2029fail: 2030 if (error != 0) 2031 device_printf(sc->sc_dev, 2032 "could not set multicast hash table\n"); 2033} 2034 2035static void 2036zyd_update_mcast(struct ifnet *ifp) 2037{ 2038 struct zyd_softc *sc = ifp->if_softc; 2039 2040 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2041 return; 2042 2043 ZYD_LOCK(sc); 2044 zyd_set_multi(sc); 2045 ZYD_UNLOCK(sc); 2046} 2047 2048static int 2049zyd_set_rxfilter(struct zyd_softc *sc) 2050{ 2051 struct ifnet *ifp = sc->sc_ifp; 2052 struct ieee80211com *ic = ifp->if_l2com; 2053 uint32_t rxfilter; 2054 2055 switch (ic->ic_opmode) { 2056 case IEEE80211_M_STA: 2057 rxfilter = ZYD_FILTER_BSS; 2058 break; 2059 case IEEE80211_M_IBSS: 2060 case IEEE80211_M_HOSTAP: 2061 rxfilter = ZYD_FILTER_HOSTAP; 2062 break; 2063 case IEEE80211_M_MONITOR: 2064 rxfilter = ZYD_FILTER_MONITOR; 2065 break; 2066 default: 2067 /* should not get there */ 2068 return (EINVAL); 2069 } 2070 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2071} 2072 2073static void 2074zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2075{ 2076 int error; 2077 struct ifnet *ifp = sc->sc_ifp; 2078 struct ieee80211com *ic = ifp->if_l2com; 2079 struct zyd_rf *rf = &sc->sc_rf; 2080 uint32_t tmp; 2081 int chan; 2082 2083 chan = ieee80211_chan2ieee(ic, c); 2084 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2085 /* XXX should NEVER happen */ 2086 device_printf(sc->sc_dev, 2087 "%s: invalid channel %x\n", __func__, chan); 2088 return; 2089 } 2090 2091 error = zyd_lock_phy(sc); 2092 if (error != 0) 2093 goto fail; 2094 2095 error = (*rf->set_channel)(rf, chan); 2096 if (error != 0) 2097 goto fail; 2098 2099 if (rf->update_pwr) { 2100 /* update Tx power */ 2101 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2102 2103 if (sc->sc_macrev == ZYD_ZD1211B) { 2104 zyd_write16_m(sc, ZYD_CR67, 2105 sc->sc_ofdm36_cal[chan - 1]); 2106 zyd_write16_m(sc, ZYD_CR66, 2107 sc->sc_ofdm48_cal[chan - 1]); 2108 zyd_write16_m(sc, ZYD_CR65, 2109 sc->sc_ofdm54_cal[chan - 1]); 2110 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2111 zyd_write16_m(sc, ZYD_CR69, 0x28); 2112 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2113 } 2114 } 2115 if (sc->sc_cckgain) { 2116 /* set CCK baseband gain from EEPROM */ 2117 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2118 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2119 } 2120 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2121 error = (*rf->bandedge6)(rf, c); 2122 if (error != 0) 2123 goto fail; 2124 } 2125 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2126 2127 error = zyd_unlock_phy(sc); 2128 if (error != 0) 2129 goto fail; 2130 2131 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2132 htole16(c->ic_freq); 2133 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2134 htole16(c->ic_flags); 2135fail: 2136 return; 2137} 2138 2139static int 2140zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2141{ 2142 int error; 2143 uint32_t val; 2144 2145 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2146 sc->sc_atim_wnd = val; 2147 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2148 sc->sc_pre_tbtt = val; 2149 sc->sc_bcn_int = bintval; 2150 2151 if (sc->sc_bcn_int <= 5) 2152 sc->sc_bcn_int = 5; 2153 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2154 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2155 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2156 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2157 2158 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2159 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2160 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2161fail: 2162 return (error); 2163} 2164 2165static void 2166zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2167{ 2168 struct zyd_softc *sc = xfer->priv_sc; 2169 struct ifnet *ifp = sc->sc_ifp; 2170 struct ieee80211com *ic = ifp->if_l2com; 2171 struct zyd_plcphdr plcp; 2172 struct zyd_rx_stat stat; 2173 struct mbuf *m; 2174 int rlen, rssi; 2175 2176 if (len < ZYD_MIN_FRAGSZ) { 2177 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2178 device_get_nameunit(sc->sc_dev), len); 2179 ifp->if_ierrors++; 2180 return; 2181 } 2182 usb2_copy_out(xfer->frbuffers, offset, &plcp, sizeof(plcp)); 2183 usb2_copy_out(xfer->frbuffers, offset + len - sizeof(stat), 2184 &stat, sizeof(stat)); 2185 2186 if (stat.flags & ZYD_RX_ERROR) { 2187 DPRINTF(sc, ZYD_DEBUG_RECV, 2188 "%s: RX status indicated error (%x)\n", 2189 device_get_nameunit(sc->sc_dev), stat.flags); 2190 ifp->if_ierrors++; 2191 return; 2192 } 2193 2194 /* compute actual frame length */ 2195 rlen = len - sizeof(struct zyd_plcphdr) - 2196 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2197 2198 /* allocate a mbuf to store the frame */ 2199 if (rlen > MCLBYTES) { 2200 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2201 device_get_nameunit(sc->sc_dev), rlen); 2202 ifp->if_ierrors++; 2203 return; 2204 } else if (rlen > MHLEN) 2205 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 2206 else 2207 m = m_gethdr(M_DONTWAIT, MT_DATA); 2208 if (m == NULL) { 2209 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2210 device_get_nameunit(sc->sc_dev)); 2211 ifp->if_ierrors++; 2212 return; 2213 } 2214 m->m_pkthdr.rcvif = ifp; 2215 m->m_pkthdr.len = m->m_len = rlen; 2216 usb2_copy_out(xfer->frbuffers, offset + sizeof(plcp), 2217 mtod(m, uint8_t *), rlen); 2218 2219 if (ieee80211_radiotap_active(ic)) { 2220 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2221 2222 tap->wr_flags = 0; 2223 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2224 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2225 /* XXX toss, no way to express errors */ 2226 if (stat.flags & ZYD_RX_DECRYPTERR) 2227 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2228 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2229 (stat.flags & ZYD_RX_OFDM) ? 2230 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2231 tap->wr_antsignal = stat.rssi + -95; 2232 tap->wr_antnoise = -95; /* XXX */ 2233 } 2234 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2235 2236 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2237 sc->sc_rx_data[sc->sc_rx_count].m = m; 2238 sc->sc_rx_count++; 2239} 2240 2241static void 2242zyd_bulk_read_callback(struct usb_xfer *xfer) 2243{ 2244 struct zyd_softc *sc = xfer->priv_sc; 2245 struct ifnet *ifp = sc->sc_ifp; 2246 struct ieee80211com *ic = ifp->if_l2com; 2247 struct ieee80211_node *ni; 2248 struct zyd_rx_desc desc; 2249 struct mbuf *m; 2250 uint32_t offset; 2251 uint8_t rssi; 2252 int8_t nf; 2253 int i; 2254 2255 sc->sc_rx_count = 0; 2256 switch (USB_GET_STATE(xfer)) { 2257 case USB_ST_TRANSFERRED: 2258 usb2_copy_out(xfer->frbuffers, xfer->actlen - sizeof(desc), 2259 &desc, sizeof(desc)); 2260 2261 offset = 0; 2262 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2263 DPRINTF(sc, ZYD_DEBUG_RECV, 2264 "%s: received multi-frame transfer\n", __func__); 2265 2266 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2267 uint16_t len16 = UGETW(desc.len[i]); 2268 2269 if (len16 == 0 || len16 > xfer->actlen) 2270 break; 2271 2272 zyd_rx_data(xfer, offset, len16); 2273 2274 /* next frame is aligned on a 32-bit boundary */ 2275 len16 = (len16 + 3) & ~3; 2276 offset += len16; 2277 if (len16 > xfer->actlen) 2278 break; 2279 xfer->actlen -= len16; 2280 } 2281 } else { 2282 DPRINTF(sc, ZYD_DEBUG_RECV, 2283 "%s: received single-frame transfer\n", __func__); 2284 2285 zyd_rx_data(xfer, 0, xfer->actlen); 2286 } 2287 /* FALLTHROUGH */ 2288 case USB_ST_SETUP: 2289tr_setup: 2290 xfer->frlengths[0] = xfer->max_data_length; 2291 usb2_start_hardware(xfer); 2292 2293 /* 2294 * At the end of a USB callback it is always safe to unlock 2295 * the private mutex of a device! That is why we do the 2296 * "ieee80211_input" here, and not some lines up! 2297 */ 2298 ZYD_UNLOCK(sc); 2299 for (i = 0; i < sc->sc_rx_count; i++) { 2300 rssi = sc->sc_rx_data[i].rssi; 2301 m = sc->sc_rx_data[i].m; 2302 sc->sc_rx_data[i].m = NULL; 2303 2304 nf = -95; /* XXX */ 2305 2306 ni = ieee80211_find_rxnode(ic, 2307 mtod(m, struct ieee80211_frame_min *)); 2308 if (ni != NULL) { 2309 (void)ieee80211_input(ni, m, rssi, nf); 2310 ieee80211_free_node(ni); 2311 } else 2312 (void)ieee80211_input_all(ic, m, rssi, nf); 2313 } 2314 ZYD_LOCK(sc); 2315 break; 2316 2317 default: /* Error */ 2318 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usb2_errstr(xfer->error)); 2319 2320 if (xfer->error != USB_ERR_CANCELLED) { 2321 /* try to clear stall first */ 2322 xfer->flags.stall_pipe = 1; 2323 goto tr_setup; 2324 } 2325 break; 2326 } 2327} 2328 2329static uint8_t 2330zyd_plcp_signal(struct zyd_softc *sc, int rate) 2331{ 2332 switch (rate) { 2333 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2334 case 12: 2335 return (0xb); 2336 case 18: 2337 return (0xf); 2338 case 24: 2339 return (0xa); 2340 case 36: 2341 return (0xe); 2342 case 48: 2343 return (0x9); 2344 case 72: 2345 return (0xd); 2346 case 96: 2347 return (0x8); 2348 case 108: 2349 return (0xc); 2350 /* CCK rates (NB: not IEEE std, device-specific) */ 2351 case 2: 2352 return (0x0); 2353 case 4: 2354 return (0x1); 2355 case 11: 2356 return (0x2); 2357 case 22: 2358 return (0x3); 2359 } 2360 2361 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2362 return (0x0); 2363} 2364 2365static void 2366zyd_bulk_write_callback(struct usb_xfer *xfer) 2367{ 2368 struct zyd_softc *sc = xfer->priv_sc; 2369 struct ifnet *ifp = sc->sc_ifp; 2370 struct ieee80211vap *vap; 2371 struct zyd_tx_data *data; 2372 struct mbuf *m; 2373 2374 switch (USB_GET_STATE(xfer)) { 2375 case USB_ST_TRANSFERRED: 2376 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2377 xfer->actlen); 2378 2379 /* free resources */ 2380 data = xfer->priv_fifo; 2381 zyd_tx_free(data, 0); 2382 xfer->priv_fifo = NULL; 2383 2384 ifp->if_opackets++; 2385 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2386 2387 /* FALLTHROUGH */ 2388 case USB_ST_SETUP: 2389tr_setup: 2390 data = STAILQ_FIRST(&sc->tx_q); 2391 if (data) { 2392 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2393 m = data->m; 2394 2395 if (m->m_pkthdr.len > ZYD_MAX_TXBUFSZ) { 2396 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2397 m->m_pkthdr.len); 2398 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2399 } 2400 usb2_copy_in(xfer->frbuffers, 0, &data->desc, 2401 ZYD_TX_DESC_SIZE); 2402 usb2_m_copy_in(xfer->frbuffers, ZYD_TX_DESC_SIZE, m, 0, 2403 m->m_pkthdr.len); 2404 2405 vap = data->ni->ni_vap; 2406 if (ieee80211_radiotap_active_vap(vap)) { 2407 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2408 2409 tap->wt_flags = 0; 2410 tap->wt_rate = data->rate; 2411 2412 ieee80211_radiotap_tx(vap, m); 2413 } 2414 2415 xfer->frlengths[0] = ZYD_TX_DESC_SIZE + m->m_pkthdr.len; 2416 xfer->priv_fifo = data; 2417 usb2_start_hardware(xfer); 2418 } 2419 break; 2420 2421 default: /* Error */ 2422 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2423 usb2_errstr(xfer->error)); 2424 2425 ifp->if_oerrors++; 2426 data = xfer->priv_fifo; 2427 xfer->priv_fifo = NULL; 2428 if (data != NULL) 2429 zyd_tx_free(data, xfer->error); 2430 2431 if (xfer->error == USB_ERR_STALLED) { 2432 /* try to clear stall first */ 2433 xfer->flags.stall_pipe = 1; 2434 goto tr_setup; 2435 } 2436 if (xfer->error == USB_ERR_TIMEOUT) 2437 device_printf(sc->sc_dev, "device timeout\n"); 2438 break; 2439 } 2440} 2441 2442static int 2443zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2444{ 2445 struct ieee80211vap *vap = ni->ni_vap; 2446 struct ieee80211com *ic = ni->ni_ic; 2447 struct zyd_tx_desc *desc; 2448 struct zyd_tx_data *data; 2449 struct ieee80211_frame *wh; 2450 const struct ieee80211_txparam *tp; 2451 struct ieee80211_key *k; 2452 int rate, totlen; 2453 static uint8_t ratediv[] = ZYD_TX_RATEDIV; 2454 uint8_t phy; 2455 uint16_t pktlen; 2456 uint32_t bits; 2457 2458 wh = mtod(m0, struct ieee80211_frame *); 2459 data = STAILQ_FIRST(&sc->tx_free); 2460 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2461 sc->tx_nfree--; 2462 2463 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2464 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2465 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2466 rate = tp->mgmtrate; 2467 } else { 2468 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2469 /* for data frames */ 2470 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2471 rate = tp->mcastrate; 2472 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2473 rate = tp->ucastrate; 2474 else { 2475 (void) ieee80211_amrr_choose(ni, &ZYD_NODE(ni)->amn); 2476 rate = ni->ni_txrate; 2477 } 2478 } 2479 2480 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2481 k = ieee80211_crypto_encap(ni, m0); 2482 if (k == NULL) { 2483 m_freem(m0); 2484 return (ENOBUFS); 2485 } 2486 /* packet header may have moved, reset our local pointer */ 2487 wh = mtod(m0, struct ieee80211_frame *); 2488 } 2489 2490 data->ni = ni; 2491 data->m = m0; 2492 data->rate = rate; 2493 2494 /* fill Tx descriptor */ 2495 desc = &data->desc; 2496 phy = zyd_plcp_signal(sc, rate); 2497 desc->phy = phy; 2498 if (ZYD_RATE_IS_OFDM(rate)) { 2499 desc->phy |= ZYD_TX_PHY_OFDM; 2500 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2501 desc->phy |= ZYD_TX_PHY_5GHZ; 2502 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2503 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2504 2505 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2506 desc->len = htole16(totlen); 2507 2508 desc->flags = ZYD_TX_FLAG_BACKOFF; 2509 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2510 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2511 if (totlen > vap->iv_rtsthreshold) { 2512 desc->flags |= ZYD_TX_FLAG_RTS; 2513 } else if (ZYD_RATE_IS_OFDM(rate) && 2514 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2515 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2516 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2517 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2518 desc->flags |= ZYD_TX_FLAG_RTS; 2519 } 2520 } else 2521 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2522 if ((wh->i_fc[0] & 2523 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2524 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2525 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2526 2527 /* actual transmit length (XXX why +10?) */ 2528 pktlen = ZYD_TX_DESC_SIZE + 10; 2529 if (sc->sc_macrev == ZYD_ZD1211) 2530 pktlen += totlen; 2531 desc->pktlen = htole16(pktlen); 2532 2533 bits = (rate == 11) ? (totlen * 16) + 10 : 2534 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2535 desc->plcp_length = bits / ratediv[phy]; 2536 desc->plcp_service = 0; 2537 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2538 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2539 desc->nextlen = 0; 2540 2541 if (ieee80211_radiotap_active_vap(vap)) { 2542 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2543 2544 tap->wt_flags = 0; 2545 tap->wt_rate = rate; 2546 2547 ieee80211_radiotap_tx(vap, m0); 2548 } 2549 2550 DPRINTF(sc, ZYD_DEBUG_XMIT, 2551 "%s: sending data frame len=%zu rate=%u\n", 2552 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2553 rate); 2554 2555 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2556 usb2_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2557 2558 return (0); 2559} 2560 2561static void 2562zyd_start(struct ifnet *ifp) 2563{ 2564 struct zyd_softc *sc = ifp->if_softc; 2565 struct ieee80211_node *ni; 2566 struct mbuf *m; 2567 2568 ZYD_LOCK(sc); 2569 for (;;) { 2570 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2571 if (m == NULL) 2572 break; 2573 if (sc->tx_nfree == 0) { 2574 IFQ_DRV_PREPEND(&ifp->if_snd, m); 2575 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2576 break; 2577 } 2578 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2579 if (zyd_tx_start(sc, m, ni) != 0) { 2580 ieee80211_free_node(ni); 2581 ifp->if_oerrors++; 2582 break; 2583 } 2584 } 2585 ZYD_UNLOCK(sc); 2586} 2587 2588static int 2589zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2590 const struct ieee80211_bpf_params *params) 2591{ 2592 struct ieee80211com *ic = ni->ni_ic; 2593 struct ifnet *ifp = ic->ic_ifp; 2594 struct zyd_softc *sc = ifp->if_softc; 2595 2596 ZYD_LOCK(sc); 2597 /* prevent management frames from being sent if we're not ready */ 2598 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2599 ZYD_UNLOCK(sc); 2600 m_freem(m); 2601 ieee80211_free_node(ni); 2602 return (ENETDOWN); 2603 } 2604 if (sc->tx_nfree == 0) { 2605 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2606 ZYD_UNLOCK(sc); 2607 m_freem(m); 2608 ieee80211_free_node(ni); 2609 return (ENOBUFS); /* XXX */ 2610 } 2611 2612 /* 2613 * Legacy path; interpret frame contents to decide 2614 * precisely how to send the frame. 2615 * XXX raw path 2616 */ 2617 if (zyd_tx_start(sc, m, ni) != 0) { 2618 ZYD_UNLOCK(sc); 2619 ifp->if_oerrors++; 2620 ieee80211_free_node(ni); 2621 return (EIO); 2622 } 2623 ZYD_UNLOCK(sc); 2624 return (0); 2625} 2626 2627static int 2628zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2629{ 2630 struct zyd_softc *sc = ifp->if_softc; 2631 struct ieee80211com *ic = ifp->if_l2com; 2632 struct ifreq *ifr = (struct ifreq *) data; 2633 int error = 0, startall = 0; 2634 2635 switch (cmd) { 2636 case SIOCSIFFLAGS: 2637 ZYD_LOCK(sc); 2638 if (ifp->if_flags & IFF_UP) { 2639 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2640 zyd_init_locked(sc); 2641 startall = 1; 2642 } else 2643 zyd_set_multi(sc); 2644 } else { 2645 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2646 zyd_stop(sc); 2647 } 2648 ZYD_UNLOCK(sc); 2649 if (startall) 2650 ieee80211_start_all(ic); 2651 break; 2652 case SIOCGIFMEDIA: 2653 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2654 break; 2655 case SIOCGIFADDR: 2656 error = ether_ioctl(ifp, cmd, data); 2657 break; 2658 default: 2659 error = EINVAL; 2660 break; 2661 } 2662 return (error); 2663} 2664 2665static void 2666zyd_init_locked(struct zyd_softc *sc) 2667{ 2668 struct ifnet *ifp = sc->sc_ifp; 2669 struct ieee80211com *ic = ifp->if_l2com; 2670 struct usb_config_descriptor *cd; 2671 int error; 2672 uint32_t val; 2673 2674 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2675 2676 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2677 error = zyd_loadfirmware(sc); 2678 if (error != 0) { 2679 device_printf(sc->sc_dev, 2680 "could not load firmware (error=%d)\n", error); 2681 goto fail; 2682 } 2683 2684 /* reset device */ 2685 cd = usb2_get_config_descriptor(sc->sc_udev); 2686 error = usb2_req_set_config(sc->sc_udev, &sc->sc_mtx, 2687 cd->bConfigurationValue); 2688 if (error) 2689 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2690 2691 error = zyd_hw_init(sc); 2692 if (error) { 2693 device_printf(sc->sc_dev, 2694 "hardware initialization failed\n"); 2695 goto fail; 2696 } 2697 2698 device_printf(sc->sc_dev, 2699 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2700 "BE%x NP%x Gain%x F%x\n", 2701 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2702 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2703 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2704 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2705 sc->sc_cckgain, sc->sc_fix_cr157); 2706 2707 /* read regulatory domain (currently unused) */ 2708 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2709 sc->sc_regdomain = val >> 16; 2710 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2711 sc->sc_regdomain); 2712 2713 /* we'll do software WEP decryption for now */ 2714 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2715 __func__); 2716 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2717 2718 sc->sc_flags |= ZYD_FLAG_INITONCE; 2719 } 2720 2721 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2722 zyd_stop(sc); 2723 2724 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2725 IF_LLADDR(ifp), ":"); 2726 error = zyd_set_macaddr(sc, IF_LLADDR(ifp)); 2727 if (error != 0) 2728 return; 2729 2730 /* set basic rates */ 2731 if (ic->ic_curmode == IEEE80211_MODE_11B) 2732 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2733 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2734 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2735 else /* assumes 802.11b/g */ 2736 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2737 2738 /* promiscuous mode */ 2739 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2740 /* multicast setup */ 2741 zyd_set_multi(sc); 2742 /* set RX filter */ 2743 error = zyd_set_rxfilter(sc); 2744 if (error != 0) 2745 goto fail; 2746 2747 /* switch radio transmitter ON */ 2748 error = zyd_switch_radio(sc, 1); 2749 if (error != 0) 2750 goto fail; 2751 /* set default BSS channel */ 2752 zyd_set_chan(sc, ic->ic_curchan); 2753 2754 /* 2755 * Allocate Tx and Rx xfer queues. 2756 */ 2757 zyd_setup_tx_list(sc); 2758 2759 /* enable interrupts */ 2760 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2761 2762 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2763 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2764 usb2_transfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2765 usb2_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2766 usb2_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2767 2768 return; 2769 2770fail: zyd_stop(sc); 2771 return; 2772} 2773 2774static void 2775zyd_init(void *priv) 2776{ 2777 struct zyd_softc *sc = priv; 2778 struct ifnet *ifp = sc->sc_ifp; 2779 struct ieee80211com *ic = ifp->if_l2com; 2780 2781 ZYD_LOCK(sc); 2782 zyd_init_locked(sc); 2783 ZYD_UNLOCK(sc); 2784 2785 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2786 ieee80211_start_all(ic); /* start all vap's */ 2787} 2788 2789static void 2790zyd_stop(struct zyd_softc *sc) 2791{ 2792 struct ifnet *ifp = sc->sc_ifp; 2793 int error; 2794 2795 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2796 2797 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2798 2799 /* 2800 * Drain all the transfers, if not already drained: 2801 */ 2802 ZYD_UNLOCK(sc); 2803 usb2_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2804 usb2_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2805 ZYD_LOCK(sc); 2806 2807 zyd_unsetup_tx_list(sc); 2808 2809 /* Stop now if the device was never set up */ 2810 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2811 return; 2812 2813 /* switch radio transmitter OFF */ 2814 error = zyd_switch_radio(sc, 0); 2815 if (error != 0) 2816 goto fail; 2817 /* disable Rx */ 2818 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2819 /* disable interrupts */ 2820 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2821 2822fail: 2823 return; 2824} 2825 2826static int 2827zyd_loadfirmware(struct zyd_softc *sc) 2828{ 2829 struct usb_device_request req; 2830 size_t size; 2831 u_char *fw; 2832 uint8_t stat; 2833 uint16_t addr; 2834 2835 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2836 return (0); 2837 2838 if (sc->sc_macrev == ZYD_ZD1211) { 2839 fw = (u_char *)zd1211_firmware; 2840 size = sizeof(zd1211_firmware); 2841 } else { 2842 fw = (u_char *)zd1211b_firmware; 2843 size = sizeof(zd1211b_firmware); 2844 } 2845 2846 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2847 req.bRequest = ZYD_DOWNLOADREQ; 2848 USETW(req.wIndex, 0); 2849 2850 addr = ZYD_FIRMWARE_START_ADDR; 2851 while (size > 0) { 2852 /* 2853 * When the transfer size is 4096 bytes, it is not 2854 * likely to be able to transfer it. 2855 * The cause is port or machine or chip? 2856 */ 2857 const int mlen = min(size, 64); 2858 2859 DPRINTF(sc, ZYD_DEBUG_FW, 2860 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2861 2862 USETW(req.wValue, addr); 2863 USETW(req.wLength, mlen); 2864 if (zyd_do_request(sc, &req, fw) != 0) 2865 return (EIO); 2866 2867 addr += mlen / 2; 2868 fw += mlen; 2869 size -= mlen; 2870 } 2871 2872 /* check whether the upload succeeded */ 2873 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2874 req.bRequest = ZYD_DOWNLOADSTS; 2875 USETW(req.wValue, 0); 2876 USETW(req.wIndex, 0); 2877 USETW(req.wLength, sizeof(stat)); 2878 if (zyd_do_request(sc, &req, &stat) != 0) 2879 return (EIO); 2880 2881 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2882 2883 return (stat & 0x80) ? (EIO) : (0); 2884} 2885 2886static void 2887zyd_newassoc(struct ieee80211_node *ni, int isnew) 2888{ 2889 struct ieee80211vap *vap = ni->ni_vap; 2890 2891 ieee80211_amrr_node_init(&ZYD_VAP(vap)->amrr, &ZYD_NODE(ni)->amn, ni); 2892} 2893 2894static void 2895zyd_scan_start(struct ieee80211com *ic) 2896{ 2897 struct ifnet *ifp = ic->ic_ifp; 2898 struct zyd_softc *sc = ifp->if_softc; 2899 2900 ZYD_LOCK(sc); 2901 /* want broadcast address while scanning */ 2902 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2903 ZYD_UNLOCK(sc); 2904} 2905 2906static void 2907zyd_scan_end(struct ieee80211com *ic) 2908{ 2909 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2910 2911 ZYD_LOCK(sc); 2912 /* restore previous bssid */ 2913 zyd_set_bssid(sc, sc->sc_bssid); 2914 ZYD_UNLOCK(sc); 2915} 2916 2917static void 2918zyd_set_channel(struct ieee80211com *ic) 2919{ 2920 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2921 2922 ZYD_LOCK(sc); 2923 zyd_set_chan(sc, ic->ic_curchan); 2924 ZYD_UNLOCK(sc); 2925} 2926 2927static device_method_t zyd_methods[] = { 2928 /* Device interface */ 2929 DEVMETHOD(device_probe, zyd_match), 2930 DEVMETHOD(device_attach, zyd_attach), 2931 DEVMETHOD(device_detach, zyd_detach), 2932 2933 { 0, 0 } 2934}; 2935 2936static driver_t zyd_driver = { 2937 "zyd", 2938 zyd_methods, 2939 sizeof(struct zyd_softc) 2940}; 2941 2942static devclass_t zyd_devclass; 2943 2944DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2945MODULE_DEPEND(zyd, usb, 1, 1, 1); 2946MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2947MODULE_DEPEND(zyd, wlan_amrr, 1, 1, 1); 2948