Annotation of sys/dev/usb/if_zyd.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_zyd.c,v 1.58 2007/06/14 10:11:15 mbalmer Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr>
! 5: * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de>
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19:
! 20: /*
! 21: * ZyDAS ZD1211/ZD1211B USB WLAN driver.
! 22: */
! 23:
! 24: #include "bpfilter.h"
! 25:
! 26: #include <sys/param.h>
! 27: #include <sys/sockio.h>
! 28: #include <sys/proc.h>
! 29: #include <sys/mbuf.h>
! 30: #include <sys/kernel.h>
! 31: #include <sys/socket.h>
! 32: #include <sys/systm.h>
! 33: #include <sys/malloc.h>
! 34: #include <sys/timeout.h>
! 35: #include <sys/conf.h>
! 36: #include <sys/device.h>
! 37:
! 38: #include <machine/bus.h>
! 39: #include <machine/endian.h>
! 40:
! 41: #if NBPFILTER > 0
! 42: #include <net/bpf.h>
! 43: #endif
! 44: #include <net/if.h>
! 45: #include <net/if_arp.h>
! 46: #include <net/if_dl.h>
! 47: #include <net/if_media.h>
! 48: #include <net/if_types.h>
! 49:
! 50: #ifdef INET
! 51: #include <netinet/in.h>
! 52: #include <netinet/in_systm.h>
! 53: #include <netinet/in_var.h>
! 54: #include <netinet/if_ether.h>
! 55: #include <netinet/ip.h>
! 56: #endif
! 57:
! 58: #include <net80211/ieee80211_var.h>
! 59: #include <net80211/ieee80211_amrr.h>
! 60: #include <net80211/ieee80211_radiotap.h>
! 61:
! 62: #include <dev/usb/usb.h>
! 63: #include <dev/usb/usbdi.h>
! 64: #include <dev/usb/usbdi_util.h>
! 65: #include <dev/usb/usbdevs.h>
! 66:
! 67: #include <dev/usb/if_zydreg.h>
! 68:
! 69: #ifdef USB_DEBUG
! 70: #define ZYD_DEBUG
! 71: #endif
! 72:
! 73: #ifdef ZYD_DEBUG
! 74: #define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0)
! 75: #define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0)
! 76: int zyddebug = 0;
! 77: #else
! 78: #define DPRINTF(x)
! 79: #define DPRINTFN(n, x)
! 80: #endif
! 81:
! 82: static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY;
! 83: static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB;
! 84:
! 85: /* various supported device vendors/products */
! 86: #define ZYD_ZD1211_DEV(v, p) \
! 87: { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 }
! 88: #define ZYD_ZD1211B_DEV(v, p) \
! 89: { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B }
! 90: static const struct zyd_type {
! 91: struct usb_devno dev;
! 92: uint8_t rev;
! 93: #define ZYD_ZD1211 0
! 94: #define ZYD_ZD1211B 1
! 95: } zyd_devs[] = {
! 96: ZYD_ZD1211_DEV(3COM2, 3CRUSB10075),
! 97: ZYD_ZD1211_DEV(ABOCOM, WL54),
! 98: ZYD_ZD1211_DEV(ASUS, WL159G),
! 99: ZYD_ZD1211_DEV(CYBERTAN, TG54USB),
! 100: ZYD_ZD1211_DEV(DRAYTEK, VIGOR550),
! 101: ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL),
! 102: ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI),
! 103: ZYD_ZD1211_DEV(SAGEM, XG760A),
! 104: ZYD_ZD1211_DEV(SENAO, NUB8301),
! 105: ZYD_ZD1211_DEV(SITECOMEU, WL113),
! 106: ZYD_ZD1211_DEV(SWEEX, ZD1211),
! 107: ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN),
! 108: ZYD_ZD1211_DEV(TEKRAM, ZD1211_1),
! 109: ZYD_ZD1211_DEV(TEKRAM, ZD1211_2),
! 110: ZYD_ZD1211_DEV(TWINMOS, G240),
! 111: ZYD_ZD1211_DEV(UMEDIA, ALL0298V2),
! 112: ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A),
! 113: ZYD_ZD1211_DEV(UMEDIA, TEW429UB),
! 114: ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G),
! 115: ZYD_ZD1211_DEV(ZCOM, ZD1211),
! 116: ZYD_ZD1211_DEV(ZYDAS, ZD1211),
! 117: ZYD_ZD1211_DEV(ZYXEL, AG225H),
! 118: ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220),
! 119:
! 120: ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG),
! 121: ZYD_ZD1211B_DEV(ACCTON, ZD1211B),
! 122: ZYD_ZD1211B_DEV(ASUS, A9T_WIFI),
! 123: ZYD_ZD1211B_DEV(BELKIN, F5D7050C),
! 124: ZYD_ZD1211B_DEV(BELKIN, ZD1211B),
! 125: ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G),
! 126: ZYD_ZD1211B_DEV(FIBERLINE, WL430U),
! 127: ZYD_ZD1211B_DEV(MELCO, KG54L),
! 128: ZYD_ZD1211B_DEV(PHILIPS, SNU5600),
! 129: ZYD_ZD1211B_DEV(SAGEM, XG76NA),
! 130: ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B),
! 131: ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1),
! 132: ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1),
! 133: ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2),
! 134: ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B),
! 135: ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B),
! 136: ZYD_ZD1211B_DEV(USR, USR5423),
! 137: ZYD_ZD1211B_DEV(VTECH, ZD1211B),
! 138: ZYD_ZD1211B_DEV(ZCOM, ZD1211B),
! 139: ZYD_ZD1211B_DEV(ZYDAS, ZD1211B),
! 140: ZYD_ZD1211B_DEV(ZYXEL, M202),
! 141: ZYD_ZD1211B_DEV(ZYXEL, G220V2),
! 142: };
! 143: #define zyd_lookup(v, p) \
! 144: ((const struct zyd_type *)usb_lookup(zyd_devs, v, p))
! 145:
! 146: int zyd_match(struct device *, void *, void *);
! 147: void zyd_attach(struct device *, struct device *, void *);
! 148: int zyd_detach(struct device *, int);
! 149: int zyd_activate(struct device *, enum devact);
! 150:
! 151: struct cfdriver zyd_cd = {
! 152: NULL, "zyd", DV_IFNET
! 153: };
! 154:
! 155: const struct cfattach zyd_ca = {
! 156: sizeof(struct zyd_softc),
! 157: zyd_match,
! 158: zyd_attach,
! 159: zyd_detach,
! 160: zyd_activate,
! 161: };
! 162:
! 163: void zyd_attachhook(void *);
! 164: int zyd_complete_attach(struct zyd_softc *);
! 165: int zyd_open_pipes(struct zyd_softc *);
! 166: void zyd_close_pipes(struct zyd_softc *);
! 167: int zyd_alloc_tx_list(struct zyd_softc *);
! 168: void zyd_free_tx_list(struct zyd_softc *);
! 169: int zyd_alloc_rx_list(struct zyd_softc *);
! 170: void zyd_free_rx_list(struct zyd_softc *);
! 171: struct ieee80211_node *zyd_node_alloc(struct ieee80211com *);
! 172: int zyd_media_change(struct ifnet *);
! 173: void zyd_next_scan(void *);
! 174: void zyd_task(void *);
! 175: int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int);
! 176: int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int,
! 177: void *, int, u_int);
! 178: int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *);
! 179: int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *);
! 180: int zyd_write16(struct zyd_softc *, uint16_t, uint16_t);
! 181: int zyd_write32(struct zyd_softc *, uint16_t, uint32_t);
! 182: int zyd_rfwrite(struct zyd_softc *, uint32_t);
! 183: void zyd_lock_phy(struct zyd_softc *);
! 184: void zyd_unlock_phy(struct zyd_softc *);
! 185: int zyd_rfmd_init(struct zyd_rf *);
! 186: int zyd_rfmd_switch_radio(struct zyd_rf *, int);
! 187: int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t);
! 188: int zyd_al2230_init(struct zyd_rf *);
! 189: int zyd_al2230_switch_radio(struct zyd_rf *, int);
! 190: int zyd_al2230_set_channel(struct zyd_rf *, uint8_t);
! 191: int zyd_al2230_init_b(struct zyd_rf *);
! 192: int zyd_al7230B_init(struct zyd_rf *);
! 193: int zyd_al7230B_switch_radio(struct zyd_rf *, int);
! 194: int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t);
! 195: int zyd_al2210_init(struct zyd_rf *);
! 196: int zyd_al2210_switch_radio(struct zyd_rf *, int);
! 197: int zyd_al2210_set_channel(struct zyd_rf *, uint8_t);
! 198: int zyd_gct_init(struct zyd_rf *);
! 199: int zyd_gct_switch_radio(struct zyd_rf *, int);
! 200: int zyd_gct_set_channel(struct zyd_rf *, uint8_t);
! 201: int zyd_maxim_init(struct zyd_rf *);
! 202: int zyd_maxim_switch_radio(struct zyd_rf *, int);
! 203: int zyd_maxim_set_channel(struct zyd_rf *, uint8_t);
! 204: int zyd_maxim2_init(struct zyd_rf *);
! 205: int zyd_maxim2_switch_radio(struct zyd_rf *, int);
! 206: int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t);
! 207: int zyd_rf_attach(struct zyd_softc *, uint8_t);
! 208: const char *zyd_rf_name(uint8_t);
! 209: int zyd_hw_init(struct zyd_softc *);
! 210: int zyd_read_eeprom(struct zyd_softc *);
! 211: int zyd_set_macaddr(struct zyd_softc *, const uint8_t *);
! 212: int zyd_set_bssid(struct zyd_softc *, const uint8_t *);
! 213: int zyd_switch_radio(struct zyd_softc *, int);
! 214: void zyd_set_led(struct zyd_softc *, int, int);
! 215: int zyd_set_rxfilter(struct zyd_softc *);
! 216: void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *);
! 217: int zyd_set_beacon_interval(struct zyd_softc *, int);
! 218: uint8_t zyd_plcp_signal(int);
! 219: void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
! 220: void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t);
! 221: void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
! 222: void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
! 223: int zyd_tx_data(struct zyd_softc *, struct mbuf *,
! 224: struct ieee80211_node *);
! 225: void zyd_start(struct ifnet *);
! 226: void zyd_watchdog(struct ifnet *);
! 227: int zyd_ioctl(struct ifnet *, u_long, caddr_t);
! 228: int zyd_init(struct ifnet *);
! 229: void zyd_stop(struct ifnet *, int);
! 230: int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t);
! 231: void zyd_iter_func(void *, struct ieee80211_node *);
! 232: void zyd_amrr_timeout(void *);
! 233: void zyd_newassoc(struct ieee80211com *, struct ieee80211_node *,
! 234: int);
! 235:
! 236: int
! 237: zyd_match(struct device *parent, void *match, void *aux)
! 238: {
! 239: struct usb_attach_arg *uaa = aux;
! 240:
! 241: if (!uaa->iface)
! 242: return UMATCH_NONE;
! 243:
! 244: return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ?
! 245: UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
! 246: }
! 247:
! 248: void
! 249: zyd_attachhook(void *xsc)
! 250: {
! 251: struct zyd_softc *sc = xsc;
! 252: const char *fwname;
! 253: u_char *fw;
! 254: size_t size;
! 255: int error;
! 256:
! 257: fwname = (sc->mac_rev == ZYD_ZD1211) ? "zd1211" : "zd1211b";
! 258: if ((error = loadfirmware(fwname, &fw, &size)) != 0) {
! 259: printf("%s: could not read firmware file %s (error=%d)\n",
! 260: sc->sc_dev.dv_xname, fwname, error);
! 261: return;
! 262: }
! 263:
! 264: error = zyd_loadfirmware(sc, fw, size);
! 265: free(fw, M_DEVBUF);
! 266: if (error != 0) {
! 267: printf("%s: could not load firmware (error=%d)\n",
! 268: sc->sc_dev.dv_xname, error);
! 269: return;
! 270: }
! 271:
! 272: /* complete the attach process */
! 273: if (zyd_complete_attach(sc) == 0)
! 274: sc->attached = 1;
! 275: }
! 276:
! 277: void
! 278: zyd_attach(struct device *parent, struct device *self, void *aux)
! 279: {
! 280: struct zyd_softc *sc = (struct zyd_softc *)self;
! 281: struct usb_attach_arg *uaa = aux;
! 282: char *devinfop;
! 283: usb_device_descriptor_t* ddesc;
! 284:
! 285: sc->sc_udev = uaa->device;
! 286:
! 287: devinfop = usbd_devinfo_alloc(sc->sc_udev, 0);
! 288: printf("\n%s: %s\n", sc->sc_dev.dv_xname, devinfop);
! 289: usbd_devinfo_free(devinfop);
! 290:
! 291: sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev;
! 292:
! 293: ddesc = usbd_get_device_descriptor(sc->sc_udev);
! 294: if (UGETW(ddesc->bcdDevice) < 0x4330) {
! 295: printf("%s: device version mismatch: 0x%x "
! 296: "(only >= 43.30 supported)\n", sc->sc_dev.dv_xname,
! 297: UGETW(ddesc->bcdDevice));
! 298: return;
! 299: }
! 300:
! 301: if (rootvp == NULL)
! 302: mountroothook_establish(zyd_attachhook, sc);
! 303: else
! 304: zyd_attachhook(sc);
! 305: }
! 306:
! 307: int
! 308: zyd_complete_attach(struct zyd_softc *sc)
! 309: {
! 310: struct ieee80211com *ic = &sc->sc_ic;
! 311: struct ifnet *ifp = &ic->ic_if;
! 312: usbd_status error;
! 313: int i;
! 314:
! 315: usb_init_task(&sc->sc_task, zyd_task, sc);
! 316: timeout_set(&sc->scan_to, zyd_next_scan, sc);
! 317:
! 318: sc->amrr.amrr_min_success_threshold = 1;
! 319: sc->amrr.amrr_max_success_threshold = 10;
! 320: timeout_set(&sc->amrr_to, zyd_amrr_timeout, sc);
! 321:
! 322: error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1);
! 323: if (error != 0) {
! 324: printf("%s: setting config no failed\n",
! 325: sc->sc_dev.dv_xname);
! 326: goto fail;
! 327: }
! 328:
! 329: error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX,
! 330: &sc->sc_iface);
! 331: if (error != 0) {
! 332: printf("%s: getting interface handle failed\n",
! 333: sc->sc_dev.dv_xname);
! 334: goto fail;
! 335: }
! 336:
! 337: if ((error = zyd_open_pipes(sc)) != 0) {
! 338: printf("%s: could not open pipes\n", sc->sc_dev.dv_xname);
! 339: goto fail;
! 340: }
! 341:
! 342: if ((error = zyd_read_eeprom(sc)) != 0) {
! 343: printf("%s: could not read EEPROM\n", sc->sc_dev.dv_xname);
! 344: goto fail;
! 345: }
! 346:
! 347: if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) {
! 348: printf("%s: could not attach RF\n", sc->sc_dev.dv_xname);
! 349: goto fail;
! 350: }
! 351:
! 352: if ((error = zyd_hw_init(sc)) != 0) {
! 353: printf("%s: hardware initialization failed\n",
! 354: sc->sc_dev.dv_xname);
! 355: goto fail;
! 356: }
! 357:
! 358: printf("%s: HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n",
! 359: sc->sc_dev.dv_xname, (sc->mac_rev == ZYD_ZD1211) ? "": "B",
! 360: sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev),
! 361: sc->pa_rev, ether_sprintf(ic->ic_myaddr));
! 362:
! 363: ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
! 364: ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
! 365: ic->ic_state = IEEE80211_S_INIT;
! 366:
! 367: /* set device capabilities */
! 368: ic->ic_caps =
! 369: IEEE80211_C_MONITOR | /* monitor mode supported */
! 370: IEEE80211_C_TXPMGT | /* tx power management */
! 371: IEEE80211_C_SHPREAMBLE | /* short preamble supported */
! 372: IEEE80211_C_WEP; /* s/w WEP */
! 373:
! 374: /* set supported .11b and .11g rates */
! 375: ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b;
! 376: ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g;
! 377:
! 378: /* set supported .11b and .11g channels (1 through 14) */
! 379: for (i = 1; i <= 14; i++) {
! 380: ic->ic_channels[i].ic_freq =
! 381: ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
! 382: ic->ic_channels[i].ic_flags =
! 383: IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
! 384: IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
! 385: }
! 386:
! 387: ifp->if_softc = sc;
! 388: ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
! 389: ifp->if_init = zyd_init;
! 390: ifp->if_ioctl = zyd_ioctl;
! 391: ifp->if_start = zyd_start;
! 392: ifp->if_watchdog = zyd_watchdog;
! 393: IFQ_SET_READY(&ifp->if_snd);
! 394: memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
! 395:
! 396: if_attach(ifp);
! 397: ieee80211_ifattach(ifp);
! 398: ic->ic_node_alloc = zyd_node_alloc;
! 399: ic->ic_newassoc = zyd_newassoc;
! 400:
! 401: /* override state transition machine */
! 402: sc->sc_newstate = ic->ic_newstate;
! 403: ic->ic_newstate = zyd_newstate;
! 404: ieee80211_media_init(ifp, zyd_media_change, ieee80211_media_status);
! 405:
! 406: #if NBPFILTER > 0
! 407: bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO,
! 408: sizeof (struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN);
! 409:
! 410: sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
! 411: sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
! 412: sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT);
! 413:
! 414: sc->sc_txtap_len = sizeof sc->sc_txtapu;
! 415: sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
! 416: sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT);
! 417: #endif
! 418:
! 419: usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
! 420: &sc->sc_dev);
! 421:
! 422: fail: return error;
! 423: }
! 424:
! 425: int
! 426: zyd_detach(struct device *self, int flags)
! 427: {
! 428: struct zyd_softc *sc = (struct zyd_softc *)self;
! 429: struct ifnet *ifp = &sc->sc_ic.ic_if;
! 430: int s;
! 431:
! 432: s = splusb();
! 433:
! 434: usb_rem_task(sc->sc_udev, &sc->sc_task);
! 435: timeout_del(&sc->scan_to);
! 436: timeout_del(&sc->amrr_to);
! 437:
! 438: zyd_close_pipes(sc);
! 439:
! 440: if (!sc->attached) {
! 441: splx(s);
! 442: return 0;
! 443: }
! 444:
! 445: ieee80211_ifdetach(ifp);
! 446: if_detach(ifp);
! 447:
! 448: zyd_free_rx_list(sc);
! 449: zyd_free_tx_list(sc);
! 450:
! 451: sc->attached = 0;
! 452:
! 453: splx(s);
! 454:
! 455: usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
! 456: &sc->sc_dev);
! 457:
! 458: return 0;
! 459: }
! 460:
! 461: int
! 462: zyd_open_pipes(struct zyd_softc *sc)
! 463: {
! 464: usb_endpoint_descriptor_t *edesc;
! 465: int isize;
! 466: usbd_status error;
! 467:
! 468: /* interrupt in */
! 469: edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83);
! 470: if (edesc == NULL)
! 471: return EINVAL;
! 472:
! 473: isize = UGETW(edesc->wMaxPacketSize);
! 474: if (isize == 0) /* should not happen */
! 475: return EINVAL;
! 476:
! 477: sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT);
! 478: if (sc->ibuf == NULL)
! 479: return ENOMEM;
! 480:
! 481: error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK,
! 482: &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr,
! 483: USBD_DEFAULT_INTERVAL);
! 484: if (error != 0) {
! 485: printf("%s: open rx intr pipe failed: %s\n",
! 486: sc->sc_dev.dv_xname, usbd_errstr(error));
! 487: goto fail;
! 488: }
! 489:
! 490: /* interrupt out (not necessarily an interrupt pipe) */
! 491: error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE,
! 492: &sc->zyd_ep[ZYD_ENDPT_IOUT]);
! 493: if (error != 0) {
! 494: printf("%s: open tx intr pipe failed: %s\n",
! 495: sc->sc_dev.dv_xname, usbd_errstr(error));
! 496: goto fail;
! 497: }
! 498:
! 499: /* bulk in */
! 500: error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE,
! 501: &sc->zyd_ep[ZYD_ENDPT_BIN]);
! 502: if (error != 0) {
! 503: printf("%s: open rx pipe failed: %s\n",
! 504: sc->sc_dev.dv_xname, usbd_errstr(error));
! 505: goto fail;
! 506: }
! 507:
! 508: /* bulk out */
! 509: error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE,
! 510: &sc->zyd_ep[ZYD_ENDPT_BOUT]);
! 511: if (error != 0) {
! 512: printf("%s: open tx pipe failed: %s\n",
! 513: sc->sc_dev.dv_xname, usbd_errstr(error));
! 514: goto fail;
! 515: }
! 516:
! 517: return 0;
! 518:
! 519: fail: zyd_close_pipes(sc);
! 520: return error;
! 521: }
! 522:
! 523: void
! 524: zyd_close_pipes(struct zyd_softc *sc)
! 525: {
! 526: int i;
! 527:
! 528: for (i = 0; i < ZYD_ENDPT_CNT; i++) {
! 529: if (sc->zyd_ep[i] != NULL) {
! 530: usbd_abort_pipe(sc->zyd_ep[i]);
! 531: usbd_close_pipe(sc->zyd_ep[i]);
! 532: sc->zyd_ep[i] = NULL;
! 533: }
! 534: }
! 535: if (sc->ibuf != NULL) {
! 536: free(sc->ibuf, M_USBDEV);
! 537: sc->ibuf = NULL;
! 538: }
! 539: }
! 540:
! 541: int
! 542: zyd_alloc_tx_list(struct zyd_softc *sc)
! 543: {
! 544: int i, error;
! 545:
! 546: sc->tx_queued = 0;
! 547:
! 548: for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
! 549: struct zyd_tx_data *data = &sc->tx_data[i];
! 550:
! 551: data->sc = sc; /* backpointer for callbacks */
! 552:
! 553: data->xfer = usbd_alloc_xfer(sc->sc_udev);
! 554: if (data->xfer == NULL) {
! 555: printf("%s: could not allocate tx xfer\n",
! 556: sc->sc_dev.dv_xname);
! 557: error = ENOMEM;
! 558: goto fail;
! 559: }
! 560: data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ);
! 561: if (data->buf == NULL) {
! 562: printf("%s: could not allocate tx buffer\n",
! 563: sc->sc_dev.dv_xname);
! 564: error = ENOMEM;
! 565: goto fail;
! 566: }
! 567:
! 568: /* clear Tx descriptor */
! 569: bzero(data->buf, sizeof (struct zyd_tx_desc));
! 570: }
! 571: return 0;
! 572:
! 573: fail: zyd_free_tx_list(sc);
! 574: return error;
! 575: }
! 576:
! 577: void
! 578: zyd_free_tx_list(struct zyd_softc *sc)
! 579: {
! 580: struct ieee80211com *ic = &sc->sc_ic;
! 581: int i;
! 582:
! 583: for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
! 584: struct zyd_tx_data *data = &sc->tx_data[i];
! 585:
! 586: if (data->xfer != NULL) {
! 587: usbd_free_xfer(data->xfer);
! 588: data->xfer = NULL;
! 589: }
! 590: if (data->ni != NULL) {
! 591: ieee80211_release_node(ic, data->ni);
! 592: data->ni = NULL;
! 593: }
! 594: }
! 595: }
! 596:
! 597: int
! 598: zyd_alloc_rx_list(struct zyd_softc *sc)
! 599: {
! 600: int i, error;
! 601:
! 602: for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
! 603: struct zyd_rx_data *data = &sc->rx_data[i];
! 604:
! 605: data->sc = sc; /* backpointer for callbacks */
! 606:
! 607: data->xfer = usbd_alloc_xfer(sc->sc_udev);
! 608: if (data->xfer == NULL) {
! 609: printf("%s: could not allocate rx xfer\n",
! 610: sc->sc_dev.dv_xname);
! 611: error = ENOMEM;
! 612: goto fail;
! 613: }
! 614: data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ);
! 615: if (data->buf == NULL) {
! 616: printf("%s: could not allocate rx buffer\n",
! 617: sc->sc_dev.dv_xname);
! 618: error = ENOMEM;
! 619: goto fail;
! 620: }
! 621: }
! 622: return 0;
! 623:
! 624: fail: zyd_free_rx_list(sc);
! 625: return error;
! 626: }
! 627:
! 628: void
! 629: zyd_free_rx_list(struct zyd_softc *sc)
! 630: {
! 631: int i;
! 632:
! 633: for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
! 634: struct zyd_rx_data *data = &sc->rx_data[i];
! 635:
! 636: if (data->xfer != NULL) {
! 637: usbd_free_xfer(data->xfer);
! 638: data->xfer = NULL;
! 639: }
! 640: }
! 641: }
! 642:
! 643: struct ieee80211_node *
! 644: zyd_node_alloc(struct ieee80211com *ic)
! 645: {
! 646: struct zyd_node *zn;
! 647:
! 648: zn = malloc(sizeof (struct zyd_node), M_DEVBUF, M_NOWAIT);
! 649: if (zn != NULL)
! 650: bzero(zn, sizeof (struct zyd_node));
! 651: return (struct ieee80211_node *)zn;
! 652: }
! 653:
! 654: int
! 655: zyd_media_change(struct ifnet *ifp)
! 656: {
! 657: int error;
! 658:
! 659: error = ieee80211_media_change(ifp);
! 660: if (error != ENETRESET)
! 661: return error;
! 662:
! 663: if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
! 664: zyd_init(ifp);
! 665:
! 666: return 0;
! 667: }
! 668:
! 669: /*
! 670: * This function is called periodically (every 200ms) during scanning to
! 671: * switch from one channel to another.
! 672: */
! 673: void
! 674: zyd_next_scan(void *arg)
! 675: {
! 676: struct zyd_softc *sc = arg;
! 677: struct ieee80211com *ic = &sc->sc_ic;
! 678: struct ifnet *ifp = &ic->ic_if;
! 679:
! 680: if (ic->ic_state == IEEE80211_S_SCAN)
! 681: ieee80211_next_scan(ifp);
! 682: }
! 683:
! 684: void
! 685: zyd_task(void *arg)
! 686: {
! 687: struct zyd_softc *sc = arg;
! 688: struct ieee80211com *ic = &sc->sc_ic;
! 689: enum ieee80211_state ostate;
! 690:
! 691: ostate = ic->ic_state;
! 692:
! 693: switch (sc->sc_state) {
! 694: case IEEE80211_S_INIT:
! 695: if (ostate == IEEE80211_S_RUN) {
! 696: /* turn link LED off */
! 697: zyd_set_led(sc, ZYD_LED1, 0);
! 698:
! 699: /* stop data LED from blinking */
! 700: zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 0);
! 701: }
! 702: break;
! 703:
! 704: case IEEE80211_S_SCAN:
! 705: zyd_set_chan(sc, ic->ic_bss->ni_chan);
! 706: timeout_add(&sc->scan_to, hz / 5);
! 707: break;
! 708:
! 709: case IEEE80211_S_AUTH:
! 710: case IEEE80211_S_ASSOC:
! 711: zyd_set_chan(sc, ic->ic_bss->ni_chan);
! 712: break;
! 713:
! 714: case IEEE80211_S_RUN:
! 715: {
! 716: struct ieee80211_node *ni = ic->ic_bss;
! 717:
! 718: zyd_set_chan(sc, ni->ni_chan);
! 719:
! 720: if (ic->ic_opmode != IEEE80211_M_MONITOR) {
! 721: /* turn link LED on */
! 722: zyd_set_led(sc, ZYD_LED1, 1);
! 723:
! 724: /* make data LED blink upon Tx */
! 725: zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1);
! 726:
! 727: zyd_set_bssid(sc, ni->ni_bssid);
! 728: }
! 729:
! 730: if (ic->ic_opmode == IEEE80211_M_STA) {
! 731: /* fake a join to init the tx rate */
! 732: zyd_newassoc(ic, ni, 1);
! 733: }
! 734:
! 735: /* start automatic rate control timer */
! 736: if (ic->ic_fixed_rate == -1)
! 737: timeout_add(&sc->amrr_to, hz);
! 738:
! 739: break;
! 740: }
! 741: }
! 742:
! 743: sc->sc_newstate(ic, sc->sc_state, sc->sc_arg);
! 744: }
! 745:
! 746: int
! 747: zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
! 748: {
! 749: struct zyd_softc *sc = ic->ic_softc;
! 750:
! 751: usb_rem_task(sc->sc_udev, &sc->sc_task);
! 752: timeout_del(&sc->scan_to);
! 753: timeout_del(&sc->amrr_to);
! 754:
! 755: /* do it in a process context */
! 756: sc->sc_state = nstate;
! 757: sc->sc_arg = arg;
! 758: usb_add_task(sc->sc_udev, &sc->sc_task);
! 759:
! 760: return 0;
! 761: }
! 762:
! 763: int
! 764: zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen,
! 765: void *odata, int olen, u_int flags)
! 766: {
! 767: usbd_xfer_handle xfer;
! 768: struct zyd_cmd cmd;
! 769: uint16_t xferflags;
! 770: usbd_status error;
! 771: int s;
! 772:
! 773: if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL)
! 774: return ENOMEM;
! 775:
! 776: cmd.code = htole16(code);
! 777: bcopy(idata, cmd.data, ilen);
! 778:
! 779: xferflags = USBD_FORCE_SHORT_XFER;
! 780: if (!(flags & ZYD_CMD_FLAG_READ))
! 781: xferflags |= USBD_SYNCHRONOUS;
! 782: else
! 783: s = splusb();
! 784:
! 785: sc->odata = odata;
! 786: sc->olen = olen;
! 787:
! 788: usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd,
! 789: sizeof (uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL);
! 790: error = usbd_transfer(xfer);
! 791: if (error != USBD_IN_PROGRESS && error != 0) {
! 792: if (flags & ZYD_CMD_FLAG_READ)
! 793: splx(s);
! 794: printf("%s: could not send command (error=%s)\n",
! 795: sc->sc_dev.dv_xname, usbd_errstr(error));
! 796: (void)usbd_free_xfer(xfer);
! 797: return EIO;
! 798: }
! 799: if (!(flags & ZYD_CMD_FLAG_READ)) {
! 800: (void)usbd_free_xfer(xfer);
! 801: return 0; /* write: don't wait for reply */
! 802: }
! 803: /* wait at most one second for command reply */
! 804: error = tsleep(sc, PCATCH, "zydcmd", hz);
! 805: sc->odata = NULL; /* in case answer is received too late */
! 806: splx(s);
! 807:
! 808: (void)usbd_free_xfer(xfer);
! 809: return error;
! 810: }
! 811:
! 812: int
! 813: zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val)
! 814: {
! 815: struct zyd_pair tmp;
! 816: int error;
! 817:
! 818: reg = htole16(reg);
! 819: error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof reg, &tmp, sizeof tmp,
! 820: ZYD_CMD_FLAG_READ);
! 821: if (error == 0)
! 822: *val = letoh16(tmp.val);
! 823: return error;
! 824: }
! 825:
! 826: int
! 827: zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val)
! 828: {
! 829: struct zyd_pair tmp[2];
! 830: uint16_t regs[2];
! 831: int error;
! 832:
! 833: regs[0] = htole16(ZYD_REG32_HI(reg));
! 834: regs[1] = htole16(ZYD_REG32_LO(reg));
! 835: error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof regs, tmp, sizeof tmp,
! 836: ZYD_CMD_FLAG_READ);
! 837: if (error == 0)
! 838: *val = letoh16(tmp[0].val) << 16 | letoh16(tmp[1].val);
! 839: return error;
! 840: }
! 841:
! 842: int
! 843: zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val)
! 844: {
! 845: struct zyd_pair pair;
! 846:
! 847: pair.reg = htole16(reg);
! 848: pair.val = htole16(val);
! 849:
! 850: return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof pair, NULL, 0, 0);
! 851: }
! 852:
! 853: int
! 854: zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val)
! 855: {
! 856: struct zyd_pair pair[2];
! 857:
! 858: pair[0].reg = htole16(ZYD_REG32_HI(reg));
! 859: pair[0].val = htole16(val >> 16);
! 860: pair[1].reg = htole16(ZYD_REG32_LO(reg));
! 861: pair[1].val = htole16(val & 0xffff);
! 862:
! 863: return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof pair, NULL, 0, 0);
! 864: }
! 865:
! 866: int
! 867: zyd_rfwrite(struct zyd_softc *sc, uint32_t val)
! 868: {
! 869: struct zyd_rf *rf = &sc->sc_rf;
! 870: struct zyd_rfwrite req;
! 871: uint16_t cr203;
! 872: int i;
! 873:
! 874: (void)zyd_read16(sc, ZYD_CR203, &cr203);
! 875: cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA);
! 876:
! 877: req.code = htole16(2);
! 878: req.width = htole16(rf->width);
! 879: for (i = 0; i < rf->width; i++) {
! 880: req.bit[i] = htole16(cr203);
! 881: if (val & (1 << (rf->width - 1 - i)))
! 882: req.bit[i] |= htole16(ZYD_RF_DATA);
! 883: }
! 884: return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0);
! 885: }
! 886:
! 887: void
! 888: zyd_lock_phy(struct zyd_softc *sc)
! 889: {
! 890: uint32_t tmp;
! 891:
! 892: (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp);
! 893: tmp &= ~ZYD_UNLOCK_PHY_REGS;
! 894: (void)zyd_write32(sc, ZYD_MAC_MISC, tmp);
! 895: }
! 896:
! 897: void
! 898: zyd_unlock_phy(struct zyd_softc *sc)
! 899: {
! 900: uint32_t tmp;
! 901:
! 902: (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp);
! 903: tmp |= ZYD_UNLOCK_PHY_REGS;
! 904: (void)zyd_write32(sc, ZYD_MAC_MISC, tmp);
! 905: }
! 906:
! 907: /*
! 908: * RFMD RF methods.
! 909: */
! 910: int
! 911: zyd_rfmd_init(struct zyd_rf *rf)
! 912: {
! 913: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 914: struct zyd_softc *sc = rf->rf_sc;
! 915: static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY;
! 916: static const uint32_t rfini[] = ZYD_RFMD_RF;
! 917: int i, error;
! 918:
! 919: /* init RF-dependent PHY registers */
! 920: for (i = 0; i < N(phyini); i++) {
! 921: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 922: if (error != 0)
! 923: return error;
! 924: }
! 925:
! 926: /* init RFMD radio */
! 927: for (i = 0; i < N(rfini); i++) {
! 928: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 929: return error;
! 930: }
! 931: return 0;
! 932: #undef N
! 933: }
! 934:
! 935: int
! 936: zyd_rfmd_switch_radio(struct zyd_rf *rf, int on)
! 937: {
! 938: struct zyd_softc *sc = rf->rf_sc;
! 939:
! 940: (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15);
! 941: (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81);
! 942:
! 943: return 0;
! 944: }
! 945:
! 946: int
! 947: zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan)
! 948: {
! 949: struct zyd_softc *sc = rf->rf_sc;
! 950: static const struct {
! 951: uint32_t r1, r2;
! 952: } rfprog[] = ZYD_RFMD_CHANTABLE;
! 953:
! 954: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
! 955: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
! 956:
! 957: return 0;
! 958: }
! 959:
! 960: /*
! 961: * AL2230 RF methods.
! 962: */
! 963: int
! 964: zyd_al2230_init(struct zyd_rf *rf)
! 965: {
! 966: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 967: struct zyd_softc *sc = rf->rf_sc;
! 968: static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY;
! 969: static const uint32_t rfini[] = ZYD_AL2230_RF;
! 970: int i, error;
! 971:
! 972: /* init RF-dependent PHY registers */
! 973: for (i = 0; i < N(phyini); i++) {
! 974: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 975: if (error != 0)
! 976: return error;
! 977: }
! 978:
! 979: /* init AL2230 radio */
! 980: for (i = 0; i < N(rfini); i++) {
! 981: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 982: return error;
! 983: }
! 984: return 0;
! 985: #undef N
! 986: }
! 987:
! 988: int
! 989: zyd_al2230_init_b(struct zyd_rf *rf)
! 990: {
! 991: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 992: struct zyd_softc *sc = rf->rf_sc;
! 993: static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B;
! 994: static const uint32_t rfini[] = ZYD_AL2230_RF_B;
! 995: int i, error;
! 996:
! 997: /* init RF-dependent PHY registers */
! 998: for (i = 0; i < N(phyini); i++) {
! 999: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1000: if (error != 0)
! 1001: return error;
! 1002: }
! 1003:
! 1004: /* init AL2230 radio */
! 1005: for (i = 0; i < N(rfini); i++) {
! 1006: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 1007: return error;
! 1008: }
! 1009: return 0;
! 1010: #undef N
! 1011: }
! 1012:
! 1013: int
! 1014: zyd_al2230_switch_radio(struct zyd_rf *rf, int on)
! 1015: {
! 1016: struct zyd_softc *sc = rf->rf_sc;
! 1017: int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f;
! 1018:
! 1019: (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04);
! 1020: (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f);
! 1021:
! 1022: return 0;
! 1023: }
! 1024:
! 1025: int
! 1026: zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan)
! 1027: {
! 1028: struct zyd_softc *sc = rf->rf_sc;
! 1029: static const struct {
! 1030: uint32_t r1, r2, r3;
! 1031: } rfprog[] = ZYD_AL2230_CHANTABLE;
! 1032:
! 1033: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
! 1034: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
! 1035: (void)zyd_rfwrite(sc, rfprog[chan - 1].r3);
! 1036:
! 1037: (void)zyd_write16(sc, ZYD_CR138, 0x28);
! 1038: (void)zyd_write16(sc, ZYD_CR203, 0x06);
! 1039:
! 1040: return 0;
! 1041: }
! 1042:
! 1043: /*
! 1044: * AL7230B RF methods.
! 1045: */
! 1046: int
! 1047: zyd_al7230B_init(struct zyd_rf *rf)
! 1048: {
! 1049: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1050: struct zyd_softc *sc = rf->rf_sc;
! 1051: static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1;
! 1052: static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2;
! 1053: static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3;
! 1054: static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1;
! 1055: static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2;
! 1056: int i, error;
! 1057:
! 1058: /* for AL7230B, PHY and RF need to be initialized in "phases" */
! 1059:
! 1060: /* init RF-dependent PHY registers, part one */
! 1061: for (i = 0; i < N(phyini_1); i++) {
! 1062: error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val);
! 1063: if (error != 0)
! 1064: return error;
! 1065: }
! 1066: /* init AL7230B radio, part one */
! 1067: for (i = 0; i < N(rfini_1); i++) {
! 1068: if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0)
! 1069: return error;
! 1070: }
! 1071: /* init RF-dependent PHY registers, part two */
! 1072: for (i = 0; i < N(phyini_2); i++) {
! 1073: error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val);
! 1074: if (error != 0)
! 1075: return error;
! 1076: }
! 1077: /* init AL7230B radio, part two */
! 1078: for (i = 0; i < N(rfini_2); i++) {
! 1079: if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0)
! 1080: return error;
! 1081: }
! 1082: /* init RF-dependent PHY registers, part three */
! 1083: for (i = 0; i < N(phyini_3); i++) {
! 1084: error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val);
! 1085: if (error != 0)
! 1086: return error;
! 1087: }
! 1088:
! 1089: return 0;
! 1090: #undef N
! 1091: }
! 1092:
! 1093: int
! 1094: zyd_al7230B_switch_radio(struct zyd_rf *rf, int on)
! 1095: {
! 1096: struct zyd_softc *sc = rf->rf_sc;
! 1097:
! 1098: (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04);
! 1099: (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f);
! 1100:
! 1101: return 0;
! 1102: }
! 1103:
! 1104: int
! 1105: zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan)
! 1106: {
! 1107: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1108: struct zyd_softc *sc = rf->rf_sc;
! 1109: static const struct {
! 1110: uint32_t r1, r2;
! 1111: } rfprog[] = ZYD_AL7230B_CHANTABLE;
! 1112: static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL;
! 1113: int i, error;
! 1114:
! 1115: (void)zyd_write16(sc, ZYD_CR240, 0x57);
! 1116: (void)zyd_write16(sc, ZYD_CR251, 0x2f);
! 1117:
! 1118: for (i = 0; i < N(rfsc); i++) {
! 1119: if ((error = zyd_rfwrite(sc, rfsc[i])) != 0)
! 1120: return error;
! 1121: }
! 1122:
! 1123: (void)zyd_write16(sc, ZYD_CR128, 0x14);
! 1124: (void)zyd_write16(sc, ZYD_CR129, 0x12);
! 1125: (void)zyd_write16(sc, ZYD_CR130, 0x10);
! 1126: (void)zyd_write16(sc, ZYD_CR38, 0x38);
! 1127: (void)zyd_write16(sc, ZYD_CR136, 0xdf);
! 1128:
! 1129: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
! 1130: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
! 1131: (void)zyd_rfwrite(sc, 0x3c9000);
! 1132:
! 1133: (void)zyd_write16(sc, ZYD_CR251, 0x3f);
! 1134: (void)zyd_write16(sc, ZYD_CR203, 0x06);
! 1135: (void)zyd_write16(sc, ZYD_CR240, 0x08);
! 1136:
! 1137: return 0;
! 1138: #undef N
! 1139: }
! 1140:
! 1141: /*
! 1142: * AL2210 RF methods.
! 1143: */
! 1144: int
! 1145: zyd_al2210_init(struct zyd_rf *rf)
! 1146: {
! 1147: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1148: struct zyd_softc *sc = rf->rf_sc;
! 1149: static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY;
! 1150: static const uint32_t rfini[] = ZYD_AL2210_RF;
! 1151: uint32_t tmp;
! 1152: int i, error;
! 1153:
! 1154: (void)zyd_write32(sc, ZYD_CR18, 2);
! 1155:
! 1156: /* init RF-dependent PHY registers */
! 1157: for (i = 0; i < N(phyini); i++) {
! 1158: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1159: if (error != 0)
! 1160: return error;
! 1161: }
! 1162: /* init AL2210 radio */
! 1163: for (i = 0; i < N(rfini); i++) {
! 1164: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 1165: return error;
! 1166: }
! 1167: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
! 1168: (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp);
! 1169: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1);
! 1170: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1);
! 1171: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05);
! 1172: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00);
! 1173: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
! 1174: (void)zyd_write32(sc, ZYD_CR18, 3);
! 1175:
! 1176: return 0;
! 1177: #undef N
! 1178: }
! 1179:
! 1180: int
! 1181: zyd_al2210_switch_radio(struct zyd_rf *rf, int on)
! 1182: {
! 1183: /* vendor driver does nothing for this RF chip */
! 1184:
! 1185: return 0;
! 1186: }
! 1187:
! 1188: int
! 1189: zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan)
! 1190: {
! 1191: struct zyd_softc *sc = rf->rf_sc;
! 1192: static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE;
! 1193: uint32_t tmp;
! 1194:
! 1195: (void)zyd_write32(sc, ZYD_CR18, 2);
! 1196: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
! 1197: (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp);
! 1198: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1);
! 1199: (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1);
! 1200: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05);
! 1201:
! 1202: (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00);
! 1203: (void)zyd_write16(sc, ZYD_CR47, 0x1e);
! 1204:
! 1205: /* actually set the channel */
! 1206: (void)zyd_rfwrite(sc, rfprog[chan - 1]);
! 1207:
! 1208: (void)zyd_write32(sc, ZYD_CR18, 3);
! 1209:
! 1210: return 0;
! 1211: }
! 1212:
! 1213: /*
! 1214: * GCT RF methods.
! 1215: */
! 1216: int
! 1217: zyd_gct_init(struct zyd_rf *rf)
! 1218: {
! 1219: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1220: struct zyd_softc *sc = rf->rf_sc;
! 1221: static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY;
! 1222: static const uint32_t rfini[] = ZYD_GCT_RF;
! 1223: int i, error;
! 1224:
! 1225: /* init RF-dependent PHY registers */
! 1226: for (i = 0; i < N(phyini); i++) {
! 1227: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1228: if (error != 0)
! 1229: return error;
! 1230: }
! 1231: /* init cgt radio */
! 1232: for (i = 0; i < N(rfini); i++) {
! 1233: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 1234: return error;
! 1235: }
! 1236: return 0;
! 1237: #undef N
! 1238: }
! 1239:
! 1240: int
! 1241: zyd_gct_switch_radio(struct zyd_rf *rf, int on)
! 1242: {
! 1243: /* vendor driver does nothing for this RF chip */
! 1244:
! 1245: return 0;
! 1246: }
! 1247:
! 1248: int
! 1249: zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan)
! 1250: {
! 1251: struct zyd_softc *sc = rf->rf_sc;
! 1252: static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE;
! 1253:
! 1254: (void)zyd_rfwrite(sc, 0x1c0000);
! 1255: (void)zyd_rfwrite(sc, rfprog[chan - 1]);
! 1256: (void)zyd_rfwrite(sc, 0x1c0008);
! 1257:
! 1258: return 0;
! 1259: }
! 1260:
! 1261: /*
! 1262: * Maxim RF methods.
! 1263: */
! 1264: int
! 1265: zyd_maxim_init(struct zyd_rf *rf)
! 1266: {
! 1267: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1268: struct zyd_softc *sc = rf->rf_sc;
! 1269: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY;
! 1270: static const uint32_t rfini[] = ZYD_MAXIM_RF;
! 1271: uint16_t tmp;
! 1272: int i, error;
! 1273:
! 1274: /* init RF-dependent PHY registers */
! 1275: for (i = 0; i < N(phyini); i++) {
! 1276: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1277: if (error != 0)
! 1278: return error;
! 1279: }
! 1280: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1281: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
! 1282:
! 1283: /* init maxim radio */
! 1284: for (i = 0; i < N(rfini); i++) {
! 1285: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 1286: return error;
! 1287: }
! 1288: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1289: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
! 1290:
! 1291: return 0;
! 1292: #undef N
! 1293: }
! 1294:
! 1295: int
! 1296: zyd_maxim_switch_radio(struct zyd_rf *rf, int on)
! 1297: {
! 1298: /* vendor driver does nothing for this RF chip */
! 1299:
! 1300: return 0;
! 1301: }
! 1302:
! 1303: int
! 1304: zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan)
! 1305: {
! 1306: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1307: struct zyd_softc *sc = rf->rf_sc;
! 1308: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY;
! 1309: static const uint32_t rfini[] = ZYD_MAXIM_RF;
! 1310: static const struct {
! 1311: uint32_t r1, r2;
! 1312: } rfprog[] = ZYD_MAXIM_CHANTABLE;
! 1313: uint16_t tmp;
! 1314: int i, error;
! 1315:
! 1316: /*
! 1317: * Do the same as we do when initializing it, except for the channel
! 1318: * values coming from the two channel tables.
! 1319: */
! 1320:
! 1321: /* init RF-dependent PHY registers */
! 1322: for (i = 0; i < N(phyini); i++) {
! 1323: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1324: if (error != 0)
! 1325: return error;
! 1326: }
! 1327: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1328: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
! 1329:
! 1330: /* first two values taken from the chantables */
! 1331: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
! 1332: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
! 1333:
! 1334: /* init maxim radio - skipping the two first values */
! 1335: for (i = 2; i < N(rfini); i++) {
! 1336: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 1337: return error;
! 1338: }
! 1339: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1340: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
! 1341:
! 1342: return 0;
! 1343: #undef N
! 1344: }
! 1345:
! 1346: /*
! 1347: * Maxim2 RF methods.
! 1348: */
! 1349: int
! 1350: zyd_maxim2_init(struct zyd_rf *rf)
! 1351: {
! 1352: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1353: struct zyd_softc *sc = rf->rf_sc;
! 1354: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
! 1355: static const uint32_t rfini[] = ZYD_MAXIM2_RF;
! 1356: uint16_t tmp;
! 1357: int i, error;
! 1358:
! 1359: /* init RF-dependent PHY registers */
! 1360: for (i = 0; i < N(phyini); i++) {
! 1361: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1362: if (error != 0)
! 1363: return error;
! 1364: }
! 1365: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1366: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
! 1367:
! 1368: /* init maxim2 radio */
! 1369: for (i = 0; i < N(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: #undef N
! 1378: }
! 1379:
! 1380: int
! 1381: zyd_maxim2_switch_radio(struct zyd_rf *rf, int on)
! 1382: {
! 1383: /* vendor driver does nothing for this RF chip */
! 1384:
! 1385: return 0;
! 1386: }
! 1387:
! 1388: int
! 1389: zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan)
! 1390: {
! 1391: #define N(a) (sizeof (a) / sizeof ((a)[0]))
! 1392: struct zyd_softc *sc = rf->rf_sc;
! 1393: static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
! 1394: static const uint32_t rfini[] = ZYD_MAXIM2_RF;
! 1395: static const struct {
! 1396: uint32_t r1, r2;
! 1397: } rfprog[] = ZYD_MAXIM2_CHANTABLE;
! 1398: uint16_t tmp;
! 1399: int i, error;
! 1400:
! 1401: /*
! 1402: * Do the same as we do when initializing it, except for the channel
! 1403: * values coming from the two channel tables.
! 1404: */
! 1405:
! 1406: /* init RF-dependent PHY registers */
! 1407: for (i = 0; i < N(phyini); i++) {
! 1408: error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
! 1409: if (error != 0)
! 1410: return error;
! 1411: }
! 1412: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1413: (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
! 1414:
! 1415: /* first two values taken from the chantables */
! 1416: (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
! 1417: (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
! 1418:
! 1419: /* init maxim2 radio - skipping the two first values */
! 1420: for (i = 2; i < N(rfini); i++) {
! 1421: if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
! 1422: return error;
! 1423: }
! 1424: (void)zyd_read16(sc, ZYD_CR203, &tmp);
! 1425: (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
! 1426:
! 1427: return 0;
! 1428: #undef N
! 1429: }
! 1430:
! 1431: int
! 1432: zyd_rf_attach(struct zyd_softc *sc, uint8_t type)
! 1433: {
! 1434: struct zyd_rf *rf = &sc->sc_rf;
! 1435:
! 1436: rf->rf_sc = sc;
! 1437:
! 1438: switch (type) {
! 1439: case ZYD_RF_RFMD:
! 1440: rf->init = zyd_rfmd_init;
! 1441: rf->switch_radio = zyd_rfmd_switch_radio;
! 1442: rf->set_channel = zyd_rfmd_set_channel;
! 1443: rf->width = 24; /* 24-bit RF values */
! 1444: break;
! 1445: case ZYD_RF_AL2230:
! 1446: if (sc->mac_rev == ZYD_ZD1211B)
! 1447: rf->init = zyd_al2230_init_b;
! 1448: else
! 1449: rf->init = zyd_al2230_init;
! 1450: rf->switch_radio = zyd_al2230_switch_radio;
! 1451: rf->set_channel = zyd_al2230_set_channel;
! 1452: rf->width = 24; /* 24-bit RF values */
! 1453: break;
! 1454: case ZYD_RF_AL7230B:
! 1455: rf->init = zyd_al7230B_init;
! 1456: rf->switch_radio = zyd_al7230B_switch_radio;
! 1457: rf->set_channel = zyd_al7230B_set_channel;
! 1458: rf->width = 24; /* 24-bit RF values */
! 1459: break;
! 1460: case ZYD_RF_AL2210:
! 1461: rf->init = zyd_al2210_init;
! 1462: rf->switch_radio = zyd_al2210_switch_radio;
! 1463: rf->set_channel = zyd_al2210_set_channel;
! 1464: rf->width = 24; /* 24-bit RF values */
! 1465: break;
! 1466: case ZYD_RF_GCT:
! 1467: rf->init = zyd_gct_init;
! 1468: rf->switch_radio = zyd_gct_switch_radio;
! 1469: rf->set_channel = zyd_gct_set_channel;
! 1470: rf->width = 21; /* 21-bit RF values */
! 1471: break;
! 1472: case ZYD_RF_MAXIM_NEW:
! 1473: rf->init = zyd_maxim_init;
! 1474: rf->switch_radio = zyd_maxim_switch_radio;
! 1475: rf->set_channel = zyd_maxim_set_channel;
! 1476: rf->width = 18; /* 18-bit RF values */
! 1477: break;
! 1478: case ZYD_RF_MAXIM_NEW2:
! 1479: rf->init = zyd_maxim2_init;
! 1480: rf->switch_radio = zyd_maxim2_switch_radio;
! 1481: rf->set_channel = zyd_maxim2_set_channel;
! 1482: rf->width = 18; /* 18-bit RF values */
! 1483: break;
! 1484: default:
! 1485: printf("%s: sorry, radio \"%s\" is not supported yet\n",
! 1486: sc->sc_dev.dv_xname, zyd_rf_name(type));
! 1487: return EINVAL;
! 1488: }
! 1489: return 0;
! 1490: }
! 1491:
! 1492: const char *
! 1493: zyd_rf_name(uint8_t type)
! 1494: {
! 1495: static const char * const zyd_rfs[] = {
! 1496: "unknown", "unknown", "UW2451", "UCHIP", "AL2230",
! 1497: "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT",
! 1498: "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2",
! 1499: "PHILIPS"
! 1500: };
! 1501: return zyd_rfs[(type > 15) ? 0 : type];
! 1502: }
! 1503:
! 1504: int
! 1505: zyd_hw_init(struct zyd_softc *sc)
! 1506: {
! 1507: struct zyd_rf *rf = &sc->sc_rf;
! 1508: const struct zyd_phy_pair *phyp;
! 1509: int error;
! 1510:
! 1511: /* specify that the plug and play is finished */
! 1512: (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1);
! 1513:
! 1514: (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase);
! 1515: DPRINTF(("firmware base address=0x%04x\n", sc->fwbase));
! 1516:
! 1517: /* retrieve firmware revision number */
! 1518: (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev);
! 1519:
! 1520: (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0);
! 1521: (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f);
! 1522:
! 1523: /* disable interrupts */
! 1524: (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0);
! 1525:
! 1526: /* PHY init */
! 1527: zyd_lock_phy(sc);
! 1528: phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy;
! 1529: for (; phyp->reg != 0; phyp++) {
! 1530: if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0)
! 1531: goto fail;
! 1532: }
! 1533: zyd_unlock_phy(sc);
! 1534:
! 1535: /* HMAC init */
! 1536: zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020);
! 1537: zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808);
! 1538:
! 1539: if (sc->mac_rev == ZYD_ZD1211) {
! 1540: zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002);
! 1541: } else {
! 1542: zyd_write32(sc, ZYD_MAC_RETRY, 0x02020202);
! 1543: zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f);
! 1544: zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f);
! 1545: zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f);
! 1546: zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f);
! 1547: zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028);
! 1548: zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C);
! 1549: zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824);
! 1550: }
! 1551:
! 1552: zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000);
! 1553: zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000);
! 1554: zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000);
! 1555: zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000);
! 1556: zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4);
! 1557: zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f);
! 1558: zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401);
! 1559: zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000);
! 1560: zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080);
! 1561: zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000);
! 1562: zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100);
! 1563: zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032);
! 1564: zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070);
! 1565: zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000);
! 1566: zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203);
! 1567: zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640);
! 1568: zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114);
! 1569:
! 1570: /* RF chip init */
! 1571: zyd_lock_phy(sc);
! 1572: error = (*rf->init)(rf);
! 1573: zyd_unlock_phy(sc);
! 1574: if (error != 0) {
! 1575: printf("%s: radio initialization failed\n",
! 1576: sc->sc_dev.dv_xname);
! 1577: goto fail;
! 1578: }
! 1579:
! 1580: /* init beacon interval to 100ms */
! 1581: if ((error = zyd_set_beacon_interval(sc, 100)) != 0)
! 1582: goto fail;
! 1583:
! 1584: fail: return error;
! 1585: }
! 1586:
! 1587: int
! 1588: zyd_read_eeprom(struct zyd_softc *sc)
! 1589: {
! 1590: struct ieee80211com *ic = &sc->sc_ic;
! 1591: uint32_t tmp;
! 1592: uint16_t val;
! 1593: int i;
! 1594:
! 1595: /* read MAC address */
! 1596: (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp);
! 1597: ic->ic_myaddr[0] = tmp & 0xff;
! 1598: ic->ic_myaddr[1] = tmp >> 8;
! 1599: ic->ic_myaddr[2] = tmp >> 16;
! 1600: ic->ic_myaddr[3] = tmp >> 24;
! 1601: (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp);
! 1602: ic->ic_myaddr[4] = tmp & 0xff;
! 1603: ic->ic_myaddr[5] = tmp >> 8;
! 1604:
! 1605: (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp);
! 1606: sc->rf_rev = tmp & 0x0f;
! 1607: sc->pa_rev = (tmp >> 16) & 0x0f;
! 1608:
! 1609: /* read regulatory domain (currently unused) */
! 1610: (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp);
! 1611: sc->regdomain = tmp >> 16;
! 1612: DPRINTF(("regulatory domain %x\n", sc->regdomain));
! 1613:
! 1614: /* read Tx power calibration tables */
! 1615: for (i = 0; i < 7; i++) {
! 1616: (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val);
! 1617: sc->pwr_cal[i * 2] = val >> 8;
! 1618: sc->pwr_cal[i * 2 + 1] = val & 0xff;
! 1619:
! 1620: (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val);
! 1621: sc->pwr_int[i * 2] = val >> 8;
! 1622: sc->pwr_int[i * 2 + 1] = val & 0xff;
! 1623:
! 1624: (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val);
! 1625: sc->ofdm36_cal[i * 2] = val >> 8;
! 1626: sc->ofdm36_cal[i * 2 + 1] = val & 0xff;
! 1627:
! 1628: (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val);
! 1629: sc->ofdm48_cal[i * 2] = val >> 8;
! 1630: sc->ofdm48_cal[i * 2 + 1] = val & 0xff;
! 1631:
! 1632: (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val);
! 1633: sc->ofdm54_cal[i * 2] = val >> 8;
! 1634: sc->ofdm54_cal[i * 2 + 1] = val & 0xff;
! 1635: }
! 1636: return 0;
! 1637: }
! 1638:
! 1639: int
! 1640: zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr)
! 1641: {
! 1642: uint32_t tmp;
! 1643:
! 1644: tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
! 1645: (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp);
! 1646:
! 1647: tmp = addr[5] << 8 | addr[4];
! 1648: (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp);
! 1649:
! 1650: return 0;
! 1651: }
! 1652:
! 1653: int
! 1654: zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr)
! 1655: {
! 1656: uint32_t tmp;
! 1657:
! 1658: tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
! 1659: (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp);
! 1660:
! 1661: tmp = addr[5] << 8 | addr[4];
! 1662: (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp);
! 1663:
! 1664: return 0;
! 1665: }
! 1666:
! 1667: int
! 1668: zyd_switch_radio(struct zyd_softc *sc, int on)
! 1669: {
! 1670: struct zyd_rf *rf = &sc->sc_rf;
! 1671: int error;
! 1672:
! 1673: zyd_lock_phy(sc);
! 1674: error = (*rf->switch_radio)(rf, on);
! 1675: zyd_unlock_phy(sc);
! 1676:
! 1677: return error;
! 1678: }
! 1679:
! 1680: void
! 1681: zyd_set_led(struct zyd_softc *sc, int which, int on)
! 1682: {
! 1683: uint32_t tmp;
! 1684:
! 1685: (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp);
! 1686: tmp &= ~which;
! 1687: if (on)
! 1688: tmp |= which;
! 1689: (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp);
! 1690: }
! 1691:
! 1692: int
! 1693: zyd_set_rxfilter(struct zyd_softc *sc)
! 1694: {
! 1695: uint32_t rxfilter;
! 1696:
! 1697: switch (sc->sc_ic.ic_opmode) {
! 1698: case IEEE80211_M_STA:
! 1699: rxfilter = ZYD_FILTER_BSS;
! 1700: break;
! 1701: case IEEE80211_M_IBSS:
! 1702: case IEEE80211_M_HOSTAP:
! 1703: rxfilter = ZYD_FILTER_HOSTAP;
! 1704: break;
! 1705: case IEEE80211_M_MONITOR:
! 1706: rxfilter = ZYD_FILTER_MONITOR;
! 1707: break;
! 1708: default:
! 1709: /* should not get there */
! 1710: return EINVAL;
! 1711: }
! 1712: return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter);
! 1713: }
! 1714:
! 1715: void
! 1716: zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c)
! 1717: {
! 1718: struct ieee80211com *ic = &sc->sc_ic;
! 1719: struct zyd_rf *rf = &sc->sc_rf;
! 1720: u_int chan;
! 1721:
! 1722: chan = ieee80211_chan2ieee(ic, c);
! 1723: if (chan == 0 || chan == IEEE80211_CHAN_ANY)
! 1724: return;
! 1725:
! 1726: zyd_lock_phy(sc);
! 1727:
! 1728: (*rf->set_channel)(rf, chan);
! 1729:
! 1730: /* update Tx power */
! 1731: (void)zyd_write32(sc, ZYD_CR31, sc->pwr_int[chan - 1]);
! 1732: (void)zyd_write32(sc, ZYD_CR68, sc->pwr_cal[chan - 1]);
! 1733:
! 1734: if (sc->mac_rev == ZYD_ZD1211B) {
! 1735: (void)zyd_write32(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]);
! 1736: (void)zyd_write32(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]);
! 1737: (void)zyd_write32(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]);
! 1738:
! 1739: (void)zyd_write32(sc, ZYD_CR69, 0x28);
! 1740: (void)zyd_write32(sc, ZYD_CR69, 0x2a);
! 1741: }
! 1742:
! 1743: zyd_unlock_phy(sc);
! 1744: }
! 1745:
! 1746: int
! 1747: zyd_set_beacon_interval(struct zyd_softc *sc, int bintval)
! 1748: {
! 1749: /* XXX this is probably broken.. */
! 1750: (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2);
! 1751: (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1);
! 1752: (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval);
! 1753:
! 1754: return 0;
! 1755: }
! 1756:
! 1757: uint8_t
! 1758: zyd_plcp_signal(int rate)
! 1759: {
! 1760: switch (rate) {
! 1761: /* CCK rates (returned values are device-dependent) */
! 1762: case 2: return 0x0;
! 1763: case 4: return 0x1;
! 1764: case 11: return 0x2;
! 1765: case 22: return 0x3;
! 1766:
! 1767: /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
! 1768: case 12: return 0xb;
! 1769: case 18: return 0xf;
! 1770: case 24: return 0xa;
! 1771: case 36: return 0xe;
! 1772: case 48: return 0x9;
! 1773: case 72: return 0xd;
! 1774: case 96: return 0x8;
! 1775: case 108: return 0xc;
! 1776:
! 1777: /* unsupported rates (should not get there) */
! 1778: default: return 0xff;
! 1779: }
! 1780: }
! 1781:
! 1782: void
! 1783: zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
! 1784: {
! 1785: struct zyd_softc *sc = (struct zyd_softc *)priv;
! 1786: const struct zyd_cmd *cmd;
! 1787: uint32_t len;
! 1788:
! 1789: if (status != USBD_NORMAL_COMPLETION) {
! 1790: if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
! 1791: return;
! 1792:
! 1793: if (status == USBD_STALLED) {
! 1794: usbd_clear_endpoint_stall_async(
! 1795: sc->zyd_ep[ZYD_ENDPT_IIN]);
! 1796: }
! 1797: return;
! 1798: }
! 1799:
! 1800: cmd = (const struct zyd_cmd *)sc->ibuf;
! 1801:
! 1802: if (letoh16(cmd->code) == ZYD_NOTIF_RETRYSTATUS) {
! 1803: struct zyd_notif_retry *retry =
! 1804: (struct zyd_notif_retry *)cmd->data;
! 1805: struct ieee80211com *ic = &sc->sc_ic;
! 1806: struct ifnet *ifp = &ic->ic_if;
! 1807: struct ieee80211_node *ni;
! 1808:
! 1809: DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n",
! 1810: letoh16(retry->rate), ether_sprintf(retry->macaddr),
! 1811: letoh16(retry->count) & 0xff, letoh16(retry->count)));
! 1812:
! 1813: /*
! 1814: * Find the node to which the packet was sent and update its
! 1815: * retry statistics. In BSS mode, this node is the AP we're
! 1816: * associated to so no lookup is actually needed.
! 1817: */
! 1818: if (ic->ic_opmode != IEEE80211_M_STA) {
! 1819: ni = ieee80211_find_node(ic, retry->macaddr);
! 1820: if (ni == NULL)
! 1821: return; /* just ignore */
! 1822: } else
! 1823: ni = ic->ic_bss;
! 1824:
! 1825: ((struct zyd_node *)ni)->amn.amn_retrycnt++;
! 1826:
! 1827: if (letoh16(retry->count) & 0x100)
! 1828: ifp->if_oerrors++; /* too many retries */
! 1829:
! 1830: } else if (letoh16(cmd->code) == ZYD_NOTIF_IORD) {
! 1831: if (letoh16(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT)
! 1832: return; /* HMAC interrupt */
! 1833:
! 1834: if (sc->odata == NULL)
! 1835: return; /* unexpected IORD notification */
! 1836:
! 1837: /* copy answer into caller-supplied buffer */
! 1838: usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
! 1839: bcopy(cmd->data, sc->odata, sc->olen);
! 1840:
! 1841: wakeup(sc); /* wakeup caller */
! 1842:
! 1843: } else {
! 1844: printf("%s: unknown notification %x\n", sc->sc_dev.dv_xname,
! 1845: letoh16(cmd->code));
! 1846: }
! 1847: }
! 1848:
! 1849: void
! 1850: zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len)
! 1851: {
! 1852: struct ieee80211com *ic = &sc->sc_ic;
! 1853: struct ifnet *ifp = &ic->ic_if;
! 1854: struct ieee80211_node *ni;
! 1855: struct ieee80211_frame *wh;
! 1856: const struct zyd_plcphdr *plcp;
! 1857: const struct zyd_rx_stat *stat;
! 1858: struct mbuf *m;
! 1859: int rlen, s;
! 1860:
! 1861: if (len < ZYD_MIN_FRAGSZ) {
! 1862: printf("%s: frame too short (length=%d)\n",
! 1863: sc->sc_dev.dv_xname, len);
! 1864: ifp->if_ierrors++;
! 1865: return;
! 1866: }
! 1867:
! 1868: plcp = (const struct zyd_plcphdr *)buf;
! 1869: stat = (const struct zyd_rx_stat *)
! 1870: (buf + len - sizeof (struct zyd_rx_stat));
! 1871:
! 1872: if (stat->flags & ZYD_RX_ERROR) {
! 1873: DPRINTF(("%s: RX status indicated error (%x)\n",
! 1874: sc->sc_dev.dv_xname, stat->flags));
! 1875: ifp->if_ierrors++;
! 1876: return;
! 1877: }
! 1878:
! 1879: /* compute actual frame length */
! 1880: rlen = len - sizeof (struct zyd_plcphdr) -
! 1881: sizeof (struct zyd_rx_stat) - IEEE80211_CRC_LEN;
! 1882:
! 1883: /* allocate a mbuf to store the frame */
! 1884: MGETHDR(m, M_DONTWAIT, MT_DATA);
! 1885: if (m == NULL) {
! 1886: printf("%s: could not allocate rx mbuf\n",
! 1887: sc->sc_dev.dv_xname);
! 1888: ifp->if_ierrors++;
! 1889: return;
! 1890: }
! 1891: if (rlen > MHLEN) {
! 1892: MCLGET(m, M_DONTWAIT);
! 1893: if (!(m->m_flags & M_EXT)) {
! 1894: printf("%s: could not allocate rx mbuf cluster\n",
! 1895: sc->sc_dev.dv_xname);
! 1896: m_freem(m);
! 1897: ifp->if_ierrors++;
! 1898: return;
! 1899: }
! 1900: }
! 1901: m->m_pkthdr.rcvif = ifp;
! 1902: m->m_pkthdr.len = m->m_len = rlen;
! 1903: bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen);
! 1904:
! 1905: #if NBPFILTER > 0
! 1906: if (sc->sc_drvbpf != NULL) {
! 1907: struct mbuf mb;
! 1908: struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap;
! 1909: static const uint8_t rates[] = {
! 1910: /* reverse function of zyd_plcp_signal() */
! 1911: 2, 4, 11, 22, 0, 0, 0, 0,
! 1912: 96, 48, 24, 12, 108, 72, 36, 18
! 1913: };
! 1914:
! 1915: tap->wr_flags = 0;
! 1916: tap->wr_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
! 1917: tap->wr_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
! 1918: tap->wr_rssi = stat->rssi;
! 1919: tap->wr_rate = rates[plcp->signal & 0xf];
! 1920:
! 1921: mb.m_data = (caddr_t)tap;
! 1922: mb.m_len = sc->sc_rxtap_len;
! 1923: mb.m_next = m;
! 1924: mb.m_nextpkt = NULL;
! 1925: mb.m_type = 0;
! 1926: mb.m_flags = 0;
! 1927: bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN);
! 1928: }
! 1929: #endif
! 1930:
! 1931: s = splnet();
! 1932: wh = mtod(m, struct ieee80211_frame *);
! 1933: ni = ieee80211_find_rxnode(ic, wh);
! 1934: ieee80211_input(ifp, m, ni, stat->rssi, 0);
! 1935:
! 1936: /* node is no longer needed */
! 1937: ieee80211_release_node(ic, ni);
! 1938:
! 1939: splx(s);
! 1940: }
! 1941:
! 1942: void
! 1943: zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
! 1944: {
! 1945: struct zyd_rx_data *data = priv;
! 1946: struct zyd_softc *sc = data->sc;
! 1947: struct ieee80211com *ic = &sc->sc_ic;
! 1948: struct ifnet *ifp = &ic->ic_if;
! 1949: const struct zyd_rx_desc *desc;
! 1950: int len;
! 1951:
! 1952: if (status != USBD_NORMAL_COMPLETION) {
! 1953: if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
! 1954: return;
! 1955:
! 1956: if (status == USBD_STALLED)
! 1957: usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]);
! 1958:
! 1959: goto skip;
! 1960: }
! 1961: usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
! 1962:
! 1963: if (len < ZYD_MIN_RXBUFSZ) {
! 1964: printf("%s: xfer too short (length=%d)\n",
! 1965: sc->sc_dev.dv_xname, len);
! 1966: ifp->if_ierrors++;
! 1967: goto skip;
! 1968: }
! 1969:
! 1970: desc = (const struct zyd_rx_desc *)
! 1971: (data->buf + len - sizeof (struct zyd_rx_desc));
! 1972:
! 1973: if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) {
! 1974: const uint8_t *p = data->buf, *end = p + len;
! 1975: int i;
! 1976:
! 1977: DPRINTFN(3, ("received multi-frame transfer\n"));
! 1978:
! 1979: for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) {
! 1980: const uint16_t len = UGETW(desc->len[i]);
! 1981:
! 1982: if (len == 0 || p + len > end)
! 1983: break;
! 1984:
! 1985: zyd_rx_data(sc, p, len);
! 1986: /* next frame is aligned on a 32-bit boundary */
! 1987: p += (len + 3) & ~3;
! 1988: }
! 1989: } else {
! 1990: DPRINTFN(3, ("received single-frame transfer\n"));
! 1991:
! 1992: zyd_rx_data(sc, data->buf, len);
! 1993: }
! 1994:
! 1995: skip: /* setup a new transfer */
! 1996: usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL,
! 1997: ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK,
! 1998: USBD_NO_TIMEOUT, zyd_rxeof);
! 1999: (void)usbd_transfer(xfer);
! 2000: }
! 2001:
! 2002: void
! 2003: zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
! 2004: {
! 2005: struct zyd_tx_data *data = priv;
! 2006: struct zyd_softc *sc = data->sc;
! 2007: struct ieee80211com *ic = &sc->sc_ic;
! 2008: struct ifnet *ifp = &ic->ic_if;
! 2009: int s;
! 2010:
! 2011: if (status != USBD_NORMAL_COMPLETION) {
! 2012: if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
! 2013: return;
! 2014:
! 2015: printf("%s: could not transmit buffer: %s\n",
! 2016: sc->sc_dev.dv_xname, usbd_errstr(status));
! 2017:
! 2018: if (status == USBD_STALLED) {
! 2019: usbd_clear_endpoint_stall_async(
! 2020: sc->zyd_ep[ZYD_ENDPT_BOUT]);
! 2021: }
! 2022: ifp->if_oerrors++;
! 2023: return;
! 2024: }
! 2025:
! 2026: s = splnet();
! 2027:
! 2028: /* update rate control statistics */
! 2029: ((struct zyd_node *)data->ni)->amn.amn_txcnt++;
! 2030:
! 2031: ieee80211_release_node(ic, data->ni);
! 2032: data->ni = NULL;
! 2033:
! 2034: sc->tx_queued--;
! 2035: ifp->if_opackets++;
! 2036:
! 2037: sc->tx_timer = 0;
! 2038: ifp->if_flags &= ~IFF_OACTIVE;
! 2039: zyd_start(ifp);
! 2040:
! 2041: splx(s);
! 2042: }
! 2043:
! 2044: int
! 2045: zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
! 2046: {
! 2047: struct ieee80211com *ic = &sc->sc_ic;
! 2048: struct ifnet *ifp = &ic->ic_if;
! 2049: struct zyd_tx_desc *desc;
! 2050: struct zyd_tx_data *data;
! 2051: struct ieee80211_frame *wh;
! 2052: int xferlen, totlen, rate;
! 2053: uint16_t pktlen;
! 2054: usbd_status error;
! 2055:
! 2056: wh = mtod(m0, struct ieee80211_frame *);
! 2057:
! 2058: if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
! 2059: m0 = ieee80211_wep_crypt(ifp, m0, 1);
! 2060: if (m0 == NULL)
! 2061: return ENOBUFS;
! 2062:
! 2063: /* packet header may have moved, reset our local pointer */
! 2064: wh = mtod(m0, struct ieee80211_frame *);
! 2065: }
! 2066:
! 2067: /* pickup a rate */
! 2068: if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
! 2069: ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
! 2070: IEEE80211_FC0_TYPE_MGT)) {
! 2071: /* mgmt/multicast frames are sent at the lowest avail. rate */
! 2072: rate = ni->ni_rates.rs_rates[0];
! 2073: } else if (ic->ic_fixed_rate != -1) {
! 2074: rate = ic->ic_sup_rates[ic->ic_curmode].
! 2075: rs_rates[ic->ic_fixed_rate];
! 2076: } else
! 2077: rate = ni->ni_rates.rs_rates[ni->ni_txrate];
! 2078: rate &= IEEE80211_RATE_VAL;
! 2079: if (rate == 0) /* XXX should not happen */
! 2080: rate = 2;
! 2081:
! 2082: data = &sc->tx_data[0];
! 2083: desc = (struct zyd_tx_desc *)data->buf;
! 2084:
! 2085: data->ni = ni;
! 2086:
! 2087: xferlen = sizeof (struct zyd_tx_desc) + m0->m_pkthdr.len;
! 2088: totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN;
! 2089:
! 2090: /* fill Tx descriptor */
! 2091: desc->len = htole16(totlen);
! 2092:
! 2093: desc->flags = ZYD_TX_FLAG_BACKOFF;
! 2094: if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
! 2095: /* multicast frames are not sent at OFDM rates in 802.11b/g */
! 2096: if (totlen > ic->ic_rtsthreshold) {
! 2097: desc->flags |= ZYD_TX_FLAG_RTS;
! 2098: } else if (ZYD_RATE_IS_OFDM(rate) &&
! 2099: (ic->ic_flags & IEEE80211_F_USEPROT)) {
! 2100: if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
! 2101: desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF;
! 2102: else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
! 2103: desc->flags |= ZYD_TX_FLAG_RTS;
! 2104: }
! 2105: } else
! 2106: desc->flags |= ZYD_TX_FLAG_MULTICAST;
! 2107:
! 2108: if ((wh->i_fc[0] &
! 2109: (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
! 2110: (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL))
! 2111: desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
! 2112:
! 2113: desc->phy = zyd_plcp_signal(rate);
! 2114: if (ZYD_RATE_IS_OFDM(rate)) {
! 2115: desc->phy |= ZYD_TX_PHY_OFDM;
! 2116: if (ic->ic_curmode == IEEE80211_MODE_11A)
! 2117: desc->phy |= ZYD_TX_PHY_5GHZ;
! 2118: } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
! 2119: desc->phy |= ZYD_TX_PHY_SHPREAMBLE;
! 2120:
! 2121: /* actual transmit length (XXX why +10?) */
! 2122: pktlen = sizeof (struct zyd_tx_desc) + 10;
! 2123: if (sc->mac_rev == ZYD_ZD1211)
! 2124: pktlen += totlen;
! 2125: desc->pktlen = htole16(pktlen);
! 2126:
! 2127: desc->plcp_length = (16 * totlen + rate - 1) / rate;
! 2128: desc->plcp_service = 0;
! 2129: if (rate == 22) {
! 2130: const int remainder = (16 * totlen) % 22;
! 2131: if (remainder != 0 && remainder < 7)
! 2132: desc->plcp_service |= ZYD_PLCP_LENGEXT;
! 2133: }
! 2134:
! 2135: #if NBPFILTER > 0
! 2136: if (sc->sc_drvbpf != NULL) {
! 2137: struct mbuf mb;
! 2138: struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
! 2139:
! 2140: tap->wt_flags = 0;
! 2141: tap->wt_rate = rate;
! 2142: tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq);
! 2143: tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags);
! 2144:
! 2145: mb.m_data = (caddr_t)tap;
! 2146: mb.m_len = sc->sc_txtap_len;
! 2147: mb.m_next = m0;
! 2148: mb.m_nextpkt = NULL;
! 2149: mb.m_type = 0;
! 2150: mb.m_flags = 0;
! 2151: bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT);
! 2152: }
! 2153: #endif
! 2154:
! 2155: m_copydata(m0, 0, m0->m_pkthdr.len,
! 2156: data->buf + sizeof (struct zyd_tx_desc));
! 2157:
! 2158: DPRINTFN(10, ("%s: sending data frame len=%u rate=%u xferlen=%u\n",
! 2159: sc->sc_dev.dv_xname, m0->m_pkthdr.len, rate, xferlen));
! 2160:
! 2161: m_freem(m0); /* mbuf no longer needed */
! 2162:
! 2163: usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data,
! 2164: data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
! 2165: ZYD_TX_TIMEOUT, zyd_txeof);
! 2166: error = usbd_transfer(data->xfer);
! 2167: if (error != USBD_IN_PROGRESS && error != 0) {
! 2168: ifp->if_oerrors++;
! 2169: return EIO;
! 2170: }
! 2171: sc->tx_queued++;
! 2172:
! 2173: return 0;
! 2174: }
! 2175:
! 2176: void
! 2177: zyd_start(struct ifnet *ifp)
! 2178: {
! 2179: struct zyd_softc *sc = ifp->if_softc;
! 2180: struct ieee80211com *ic = &sc->sc_ic;
! 2181: struct ieee80211_node *ni;
! 2182: struct mbuf *m0;
! 2183:
! 2184: /*
! 2185: * net80211 may still try to send management frames even if the
! 2186: * IFF_RUNNING flag is not set...
! 2187: */
! 2188: if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
! 2189: return;
! 2190:
! 2191: for (;;) {
! 2192: IF_POLL(&ic->ic_mgtq, m0);
! 2193: if (m0 != NULL) {
! 2194: if (sc->tx_queued >= ZYD_TX_LIST_CNT) {
! 2195: ifp->if_flags |= IFF_OACTIVE;
! 2196: break;
! 2197: }
! 2198: IF_DEQUEUE(&ic->ic_mgtq, m0);
! 2199:
! 2200: ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif;
! 2201: m0->m_pkthdr.rcvif = NULL;
! 2202: #if NBPFILTER > 0
! 2203: if (ic->ic_rawbpf != NULL)
! 2204: bpf_mtap(ic->ic_rawbpf, m0, BPF_DIRECTION_OUT);
! 2205: #endif
! 2206: if (zyd_tx_data(sc, m0, ni) != 0)
! 2207: break;
! 2208: } else {
! 2209: if (ic->ic_state != IEEE80211_S_RUN)
! 2210: break;
! 2211: IFQ_POLL(&ifp->if_snd, m0);
! 2212: if (m0 == NULL)
! 2213: break;
! 2214: if (sc->tx_queued >= ZYD_TX_LIST_CNT) {
! 2215: ifp->if_flags |= IFF_OACTIVE;
! 2216: break;
! 2217: }
! 2218: IFQ_DEQUEUE(&ifp->if_snd, m0);
! 2219: #if NBPFILTER > 0
! 2220: if (ifp->if_bpf != NULL)
! 2221: bpf_mtap(ifp->if_bpf, m0, BPF_DIRECTION_OUT);
! 2222: #endif
! 2223: if ((m0 = ieee80211_encap(ifp, m0, &ni)) == NULL) {
! 2224: ifp->if_oerrors++;
! 2225: continue;
! 2226: }
! 2227: #if NBPFILTER > 0
! 2228: if (ic->ic_rawbpf != NULL)
! 2229: bpf_mtap(ic->ic_rawbpf, m0, BPF_DIRECTION_OUT);
! 2230: #endif
! 2231: if (zyd_tx_data(sc, m0, ni) != 0) {
! 2232: if (ni != NULL)
! 2233: ieee80211_release_node(ic, ni);
! 2234: ifp->if_oerrors++;
! 2235: break;
! 2236: }
! 2237: }
! 2238:
! 2239: sc->tx_timer = 5;
! 2240: ifp->if_timer = 1;
! 2241: }
! 2242: }
! 2243:
! 2244: void
! 2245: zyd_watchdog(struct ifnet *ifp)
! 2246: {
! 2247: struct zyd_softc *sc = ifp->if_softc;
! 2248:
! 2249: ifp->if_timer = 0;
! 2250:
! 2251: if (sc->tx_timer > 0) {
! 2252: if (--sc->tx_timer == 0) {
! 2253: printf("%s: device timeout\n", sc->sc_dev.dv_xname);
! 2254: /* zyd_init(ifp); XXX needs a process context ? */
! 2255: ifp->if_oerrors++;
! 2256: return;
! 2257: }
! 2258: ifp->if_timer = 1;
! 2259: }
! 2260:
! 2261: ieee80211_watchdog(ifp);
! 2262: }
! 2263:
! 2264: int
! 2265: zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
! 2266: {
! 2267: struct zyd_softc *sc = ifp->if_softc;
! 2268: struct ieee80211com *ic = &sc->sc_ic;
! 2269: struct ifaddr *ifa;
! 2270: struct ifreq *ifr;
! 2271: int s, error = 0;
! 2272:
! 2273: s = splnet();
! 2274:
! 2275: switch (cmd) {
! 2276: case SIOCSIFADDR:
! 2277: ifa = (struct ifaddr *)data;
! 2278: ifp->if_flags |= IFF_UP;
! 2279: #ifdef INET
! 2280: if (ifa->ifa_addr->sa_family == AF_INET)
! 2281: arp_ifinit(&ic->ic_ac, ifa);
! 2282: #endif
! 2283: /* FALLTHROUGH */
! 2284: case SIOCSIFFLAGS:
! 2285: if (ifp->if_flags & IFF_UP) {
! 2286: if (!(ifp->if_flags & IFF_RUNNING))
! 2287: zyd_init(ifp);
! 2288: } else {
! 2289: if (ifp->if_flags & IFF_RUNNING)
! 2290: zyd_stop(ifp, 1);
! 2291: }
! 2292: break;
! 2293:
! 2294: case SIOCADDMULTI:
! 2295: case SIOCDELMULTI:
! 2296: ifr = (struct ifreq *)data;
! 2297: error = (cmd == SIOCADDMULTI) ?
! 2298: ether_addmulti(ifr, &ic->ic_ac) :
! 2299: ether_delmulti(ifr, &ic->ic_ac);
! 2300: if (error == ENETRESET)
! 2301: error = 0;
! 2302: break;
! 2303:
! 2304: case SIOCS80211CHANNEL:
! 2305: /*
! 2306: * This allows for fast channel switching in monitor mode
! 2307: * (used by kismet). In IBSS mode, we must explicitly reset
! 2308: * the interface to generate a new beacon frame.
! 2309: */
! 2310: error = ieee80211_ioctl(ifp, cmd, data);
! 2311: if (error == ENETRESET &&
! 2312: ic->ic_opmode == IEEE80211_M_MONITOR) {
! 2313: zyd_set_chan(sc, ic->ic_ibss_chan);
! 2314: error = 0;
! 2315: }
! 2316: break;
! 2317:
! 2318: default:
! 2319: error = ieee80211_ioctl(ifp, cmd, data);
! 2320: }
! 2321:
! 2322: if (error == ENETRESET) {
! 2323: if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) ==
! 2324: (IFF_RUNNING | IFF_UP))
! 2325: zyd_init(ifp);
! 2326: error = 0;
! 2327: }
! 2328:
! 2329: splx(s);
! 2330:
! 2331: return error;
! 2332: }
! 2333:
! 2334: int
! 2335: zyd_init(struct ifnet *ifp)
! 2336: {
! 2337: struct zyd_softc *sc = ifp->if_softc;
! 2338: struct ieee80211com *ic = &sc->sc_ic;
! 2339: int i, error;
! 2340:
! 2341: zyd_stop(ifp, 0);
! 2342:
! 2343: IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl));
! 2344: DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr)));
! 2345: error = zyd_set_macaddr(sc, ic->ic_myaddr);
! 2346: if (error != 0)
! 2347: return error;
! 2348:
! 2349: /* we'll do software WEP decryption for now */
! 2350: DPRINTF(("setting encryption type\n"));
! 2351: error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER);
! 2352: if (error != 0)
! 2353: return error;
! 2354:
! 2355: /* promiscuous mode */
! 2356: (void)zyd_write32(sc, ZYD_MAC_SNIFFER,
! 2357: (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0);
! 2358:
! 2359: (void)zyd_set_rxfilter(sc);
! 2360:
! 2361: /* switch radio transmitter ON */
! 2362: (void)zyd_switch_radio(sc, 1);
! 2363:
! 2364: /* set basic rates */
! 2365: if (ic->ic_curmode == IEEE80211_MODE_11B)
! 2366: (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003);
! 2367: else if (ic->ic_curmode == IEEE80211_MODE_11A)
! 2368: (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500);
! 2369: else /* assumes 802.11b/g */
! 2370: (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f);
! 2371:
! 2372: /* set mandatory rates */
! 2373: if (ic->ic_curmode == IEEE80211_MODE_11B)
! 2374: (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f);
! 2375: else if (ic->ic_curmode == IEEE80211_MODE_11A)
! 2376: (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500);
! 2377: else /* assumes 802.11b/g */
! 2378: (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f);
! 2379:
! 2380: /* set default BSS channel */
! 2381: ic->ic_bss->ni_chan = ic->ic_ibss_chan;
! 2382: zyd_set_chan(sc, ic->ic_bss->ni_chan);
! 2383:
! 2384: /* enable interrupts */
! 2385: (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK);
! 2386:
! 2387: /*
! 2388: * Allocate Tx and Rx xfer queues.
! 2389: */
! 2390: if ((error = zyd_alloc_tx_list(sc)) != 0) {
! 2391: printf("%s: could not allocate Tx list\n",
! 2392: sc->sc_dev.dv_xname);
! 2393: goto fail;
! 2394: }
! 2395: if ((error = zyd_alloc_rx_list(sc)) != 0) {
! 2396: printf("%s: could not allocate Rx list\n",
! 2397: sc->sc_dev.dv_xname);
! 2398: goto fail;
! 2399: }
! 2400:
! 2401: /*
! 2402: * Start up the receive pipe.
! 2403: */
! 2404: for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
! 2405: struct zyd_rx_data *data = &sc->rx_data[i];
! 2406:
! 2407: usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data,
! 2408: NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK,
! 2409: USBD_NO_TIMEOUT, zyd_rxeof);
! 2410: error = usbd_transfer(data->xfer);
! 2411: if (error != USBD_IN_PROGRESS && error != 0) {
! 2412: printf("%s: could not queue Rx transfer\n",
! 2413: sc->sc_dev.dv_xname);
! 2414: goto fail;
! 2415: }
! 2416: }
! 2417:
! 2418: ifp->if_flags &= ~IFF_OACTIVE;
! 2419: ifp->if_flags |= IFF_RUNNING;
! 2420:
! 2421: if (ic->ic_opmode == IEEE80211_M_MONITOR)
! 2422: ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
! 2423: else
! 2424: ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
! 2425:
! 2426: return 0;
! 2427:
! 2428: fail: zyd_stop(ifp, 1);
! 2429: return error;
! 2430: }
! 2431:
! 2432: void
! 2433: zyd_stop(struct ifnet *ifp, int disable)
! 2434: {
! 2435: struct zyd_softc *sc = ifp->if_softc;
! 2436: struct ieee80211com *ic = &sc->sc_ic;
! 2437:
! 2438: sc->tx_timer = 0;
! 2439: ifp->if_timer = 0;
! 2440: ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
! 2441:
! 2442: ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */
! 2443:
! 2444: /* switch radio transmitter OFF */
! 2445: (void)zyd_switch_radio(sc, 0);
! 2446:
! 2447: /* disable Rx */
! 2448: (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0);
! 2449:
! 2450: /* disable interrupts */
! 2451: (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0);
! 2452:
! 2453: usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]);
! 2454: usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]);
! 2455:
! 2456: zyd_free_rx_list(sc);
! 2457: zyd_free_tx_list(sc);
! 2458: }
! 2459:
! 2460: int
! 2461: zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size)
! 2462: {
! 2463: usb_device_request_t req;
! 2464: uint16_t addr;
! 2465: uint8_t stat;
! 2466:
! 2467: DPRINTF(("firmware size=%d\n", size));
! 2468:
! 2469: req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
! 2470: req.bRequest = ZYD_DOWNLOADREQ;
! 2471: USETW(req.wIndex, 0);
! 2472:
! 2473: addr = ZYD_FIRMWARE_START_ADDR;
! 2474: while (size > 0) {
! 2475: const int mlen = min(size, 4096);
! 2476:
! 2477: DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen,
! 2478: addr));
! 2479:
! 2480: USETW(req.wValue, addr);
! 2481: USETW(req.wLength, mlen);
! 2482: if (usbd_do_request(sc->sc_udev, &req, fw) != 0)
! 2483: return EIO;
! 2484:
! 2485: addr += mlen / 2;
! 2486: fw += mlen;
! 2487: size -= mlen;
! 2488: }
! 2489:
! 2490: /* check whether the upload succeeded */
! 2491: req.bmRequestType = UT_READ_VENDOR_DEVICE;
! 2492: req.bRequest = ZYD_DOWNLOADSTS;
! 2493: USETW(req.wValue, 0);
! 2494: USETW(req.wIndex, 0);
! 2495: USETW(req.wLength, sizeof stat);
! 2496: if (usbd_do_request(sc->sc_udev, &req, &stat) != 0)
! 2497: return EIO;
! 2498:
! 2499: return (stat & 0x80) ? EIO : 0;
! 2500: }
! 2501:
! 2502: void
! 2503: zyd_iter_func(void *arg, struct ieee80211_node *ni)
! 2504: {
! 2505: struct zyd_softc *sc = arg;
! 2506: struct zyd_node *zn = (struct zyd_node *)ni;
! 2507:
! 2508: ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn);
! 2509: }
! 2510:
! 2511: void
! 2512: zyd_amrr_timeout(void *arg)
! 2513: {
! 2514: struct zyd_softc *sc = arg;
! 2515: struct ieee80211com *ic = &sc->sc_ic;
! 2516: int s;
! 2517:
! 2518: s = splnet();
! 2519: if (ic->ic_opmode == IEEE80211_M_STA)
! 2520: zyd_iter_func(sc, ic->ic_bss);
! 2521: else
! 2522: ieee80211_iterate_nodes(ic, zyd_iter_func, sc);
! 2523: splx(s);
! 2524:
! 2525: timeout_add(&sc->amrr_to, hz);
! 2526: }
! 2527:
! 2528: void
! 2529: zyd_newassoc(struct ieee80211com *ic, struct ieee80211_node *ni, int isnew)
! 2530: {
! 2531: struct zyd_softc *sc = ic->ic_softc;
! 2532: int i;
! 2533:
! 2534: ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn);
! 2535:
! 2536: /* set rate to some reasonable initial value */
! 2537: for (i = ni->ni_rates.rs_nrates - 1;
! 2538: i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72;
! 2539: i--);
! 2540: ni->ni_txrate = i;
! 2541: }
! 2542:
! 2543: int
! 2544: zyd_activate(struct device *self, enum devact act)
! 2545: {
! 2546: switch (act) {
! 2547: case DVACT_ACTIVATE:
! 2548: break;
! 2549:
! 2550: case DVACT_DEACTIVATE:
! 2551: break;
! 2552: }
! 2553: return 0;
! 2554: }
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