[Midnightbsd-cvs] src: if_zyd.c: zyd
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Sat Nov 29 17:06:30 EST 2008
Log Message:
-----------
zyd
Added Files:
-----------
src/sys/dev/usb:
if_zyd.c (r1.1)
-------------- next part --------------
--- /dev/null
+++ sys/dev/usb/if_zyd.c
@@ -0,0 +1,2781 @@
+/* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */
+/* $NetBSD: if_zyd.c,v 1.7 2007/06/21 04:04:29 kiyohara Exp $ */
+/* $FreeBSD: src/sys/dev/usb/if_zyd.c,v 1.4.2.4 2007/11/30 15:39:22 ariff Exp $ */
+
+/*-
+ * Copyright (c) 2006 by Damien Bergamini <damien.bergamini at free.fr>
+ * Copyright (c) 2006 by Florian Stoehr <ich at florian-stoehr.de>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * ZyDAS ZD1211/ZD1211B USB WLAN driver.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/sockio.h>
+#include <sys/mbuf.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+#include <sys/endian.h>
+#include <sys/linker.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <sys/bus.h>
+#include <machine/bus.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_amrr.h>
+#include <net80211/ieee80211_radiotap.h>
+#include <net80211/ieee80211_proto.h>
+#include <net80211/ieee80211_node.h>
+#include <net80211/ieee80211_regdomain.h>
+
+#include <net/bpf.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdivar.h>
+#include "usbdevs.h"
+#include <dev/usb/usb_ethersubr.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include <dev/usb/if_zydreg.h>
+#include <dev/usb/if_zydfw.h>
+
+#ifdef USB_DEBUG
+#define ZYD_DEBUG
+#endif
+
+#ifdef ZYD_DEBUG
+#define DPRINTF(x) do { if (zyddebug > 0) printf x; } while (0)
+#define DPRINTFN(n, x) do { if (zyddebug > (n)) printf x; } while (0)
+int zyddebug = 0;
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n, x)
+#endif
+
+static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY;
+static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB;
+
+/* various supported device vendors/products */
+#define ZYD_ZD1211_DEV(v, p) \
+ { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211 }
+#define ZYD_ZD1211B_DEV(v, p) \
+ { { USB_VENDOR_##v, USB_PRODUCT_##v##_##p }, ZYD_ZD1211B }
+static const struct zyd_type {
+ struct usb_devno dev;
+ uint8_t rev;
+#define ZYD_ZD1211 0
+#define ZYD_ZD1211B 1
+} zyd_devs[] = {
+ ZYD_ZD1211_DEV(3COM2, 3CRUSB10075),
+ ZYD_ZD1211_DEV(ABOCOM, WL54),
+ ZYD_ZD1211_DEV(ASUS, WL159G),
+ ZYD_ZD1211_DEV(CYBERTAN, TG54USB),
+ ZYD_ZD1211_DEV(DRAYTEK, VIGOR550),
+ ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL),
+ ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ),
+ ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI),
+ ZYD_ZD1211_DEV(SAGEM, XG760A),
+ ZYD_ZD1211_DEV(SENAO, NUB8301),
+ ZYD_ZD1211_DEV(SITECOMEU, WL113),
+ ZYD_ZD1211_DEV(SWEEX, ZD1211),
+ ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN),
+ ZYD_ZD1211_DEV(TEKRAM, ZD1211_1),
+ ZYD_ZD1211_DEV(TEKRAM, ZD1211_2),
+ ZYD_ZD1211_DEV(TWINMOS, G240),
+ ZYD_ZD1211_DEV(UMEDIA, ALL0298V2),
+ ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A),
+ ZYD_ZD1211_DEV(UMEDIA, TEW429UB),
+ ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G),
+ ZYD_ZD1211_DEV(ZCOM, ZD1211),
+ ZYD_ZD1211_DEV(ZYDAS, ZD1211),
+ ZYD_ZD1211_DEV(ZYXEL, AG225H),
+ ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220),
+ ZYD_ZD1211_DEV(ZYXEL, G200V2),
+
+ ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG),
+ ZYD_ZD1211B_DEV(ACCTON, ZD1211B),
+ ZYD_ZD1211B_DEV(ASUS, A9T_WIFI),
+ ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000),
+ ZYD_ZD1211B_DEV(BELKIN, ZD1211B),
+ ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G),
+ ZYD_ZD1211B_DEV(FIBERLINE, WL430U),
+ ZYD_ZD1211B_DEV(MELCO, KG54L),
+ ZYD_ZD1211B_DEV(PHILIPS, SNU5600),
+ ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS),
+ ZYD_ZD1211B_DEV(SAGEM, XG76NA),
+ ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B),
+ ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1),
+#if 0 /* Shall we needs? */
+ ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_1),
+ ZYD_ZD1211B_DEV(UNKNOWN1, ZD1211B_2),
+ ZYD_ZD1211B_DEV(UNKNOWN2, ZD1211B),
+ ZYD_ZD1211B_DEV(UNKNOWN3, ZD1211B),
+#endif
+ ZYD_ZD1211B_DEV(USR, USR5423),
+ ZYD_ZD1211B_DEV(VTECH, ZD1211B),
+ ZYD_ZD1211B_DEV(ZCOM, ZD1211B),
+ ZYD_ZD1211B_DEV(ZYDAS, ZD1211B),
+ ZYD_ZD1211B_DEV(ZYXEL, M202),
+ ZYD_ZD1211B_DEV(ZYXEL, G220V2),
+};
+#define zyd_lookup(v, p) \
+ ((const struct zyd_type *)usb_lookup(zyd_devs, v, p))
+
+static device_probe_t zyd_match;
+static device_attach_t zyd_attach;
+static device_detach_t zyd_detach;
+
+static int zyd_attachhook(struct zyd_softc *);
+static int zyd_complete_attach(struct zyd_softc *);
+static int zyd_open_pipes(struct zyd_softc *);
+static void zyd_close_pipes(struct zyd_softc *);
+static int zyd_alloc_tx_list(struct zyd_softc *);
+static void zyd_free_tx_list(struct zyd_softc *);
+static int zyd_alloc_rx_list(struct zyd_softc *);
+static void zyd_free_rx_list(struct zyd_softc *);
+static struct ieee80211_node *zyd_node_alloc(struct ieee80211_node_table *);
+static int zyd_media_change(struct ifnet *);
+static void zyd_task(void *);
+static int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int);
+static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int,
+ void *, int, u_int);
+static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *);
+static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *);
+static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t);
+static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t);
+static int zyd_rfwrite(struct zyd_softc *, uint32_t);
+static void zyd_lock_phy(struct zyd_softc *);
+static void zyd_unlock_phy(struct zyd_softc *);
+static int zyd_rfmd_init(struct zyd_rf *);
+static int zyd_rfmd_switch_radio(struct zyd_rf *, int);
+static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_al2230_init(struct zyd_rf *);
+static int zyd_al2230_switch_radio(struct zyd_rf *, int);
+static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_al2230_init_b(struct zyd_rf *);
+static int zyd_al7230B_init(struct zyd_rf *);
+static int zyd_al7230B_switch_radio(struct zyd_rf *, int);
+static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_al2210_init(struct zyd_rf *);
+static int zyd_al2210_switch_radio(struct zyd_rf *, int);
+static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_gct_init(struct zyd_rf *);
+static int zyd_gct_switch_radio(struct zyd_rf *, int);
+static int zyd_gct_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_maxim_init(struct zyd_rf *);
+static int zyd_maxim_switch_radio(struct zyd_rf *, int);
+static int zyd_maxim_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_maxim2_init(struct zyd_rf *);
+static int zyd_maxim2_switch_radio(struct zyd_rf *, int);
+static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t);
+static int zyd_rf_attach(struct zyd_softc *, uint8_t);
+static const char *zyd_rf_name(uint8_t);
+static int zyd_hw_init(struct zyd_softc *);
+static int zyd_read_eeprom(struct zyd_softc *);
+static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *);
+static int zyd_set_bssid(struct zyd_softc *, const uint8_t *);
+static int zyd_switch_radio(struct zyd_softc *, int);
+static void zyd_set_led(struct zyd_softc *, int, int);
+static void zyd_set_multi(struct zyd_softc *);
+static int zyd_set_rxfilter(struct zyd_softc *);
+static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *);
+static int zyd_set_beacon_interval(struct zyd_softc *, int);
+static uint8_t zyd_plcp_signal(int);
+static void zyd_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
+static void zyd_rx_data(struct zyd_softc *, const uint8_t *, uint16_t);
+static void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
+static void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
+static int zyd_tx_mgt(struct zyd_softc *, struct mbuf *,
+ struct ieee80211_node *);
+static int zyd_tx_data(struct zyd_softc *, struct mbuf *,
+ struct ieee80211_node *);
+static void zyd_start(struct ifnet *);
+static void zyd_watchdog(void *);
+static int zyd_ioctl(struct ifnet *, u_long, caddr_t);
+static void zyd_init(void *);
+static void zyd_stop(struct zyd_softc *, int);
+static int zyd_loadfirmware(struct zyd_softc *, u_char *, size_t);
+static void zyd_iter_func(void *, struct ieee80211_node *);
+static void zyd_amrr_timeout(void *);
+static void zyd_newassoc(struct ieee80211_node *, int);
+static void zyd_scantask(void *);
+static void zyd_scan_start(struct ieee80211com *);
+static void zyd_scan_end(struct ieee80211com *);
+static void zyd_set_channel(struct ieee80211com *);
+
+static int
+zyd_match(device_t dev)
+{
+ struct usb_attach_arg *uaa = device_get_ivars(dev);
+
+ if (!uaa->iface)
+ return UMATCH_NONE;
+
+ return (zyd_lookup(uaa->vendor, uaa->product) != NULL) ?
+ UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
+}
+
+static int
+zyd_attachhook(struct zyd_softc *sc)
+{
+ u_char *firmware;
+ int len, error;
+
+ if (sc->mac_rev == ZYD_ZD1211) {
+ firmware = (u_char *)zd1211_firmware;
+ len = sizeof(zd1211_firmware);
+ } else {
+ firmware = (u_char *)zd1211b_firmware;
+ len = sizeof(zd1211b_firmware);
+ }
+
+ error = zyd_loadfirmware(sc, firmware, len);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "could not load firmware (error=%d)\n", error);
+ return error;
+ }
+
+ sc->sc_flags |= ZD1211_FWLOADED;
+
+ /* complete the attach process */
+ return zyd_complete_attach(sc);
+}
+
+static int
+zyd_attach(device_t dev)
+{
+ int error = ENXIO;
+ struct zyd_softc *sc = device_get_softc(dev);
+ struct usb_attach_arg *uaa = device_get_ivars(dev);
+ usb_device_descriptor_t* ddesc;
+ struct ifnet *ifp;
+
+ sc->sc_dev = dev;
+
+ ifp = sc->sc_ifp = if_alloc(IFT_ETHER);
+ if (ifp == NULL) {
+ device_printf(dev, "can not if_alloc()\n");
+ return ENXIO;
+ }
+
+ sc->sc_udev = uaa->device;
+ sc->sc_flags = 0;
+ sc->mac_rev = zyd_lookup(uaa->vendor, uaa->product)->rev;
+
+ ddesc = usbd_get_device_descriptor(sc->sc_udev);
+ if (UGETW(ddesc->bcdDevice) < 0x4330) {
+ device_printf(dev, "device version mismatch: 0x%x "
+ "(only >= 43.30 supported)\n",
+ UGETW(ddesc->bcdDevice));
+ goto bad;
+ }
+
+ ifp->if_softc = sc;
+ if_initname(ifp, "zyd", device_get_unit(sc->sc_dev));
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
+ IFF_NEEDSGIANT; /* USB stack is still under Giant lock */
+ ifp->if_init = zyd_init;
+ ifp->if_ioctl = zyd_ioctl;
+ ifp->if_start = zyd_start;
+ IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
+ IFQ_SET_READY(&ifp->if_snd);
+
+ STAILQ_INIT(&sc->sc_rqh);
+
+ error = zyd_attachhook(sc);
+ if (error != 0) {
+bad:
+ if_free(ifp);
+ return error;
+ }
+
+ return 0;
+}
+
+static int
+zyd_complete_attach(struct zyd_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = sc->sc_ifp;
+ usbd_status error;
+ int bands;
+
+ mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK,
+ MTX_DEF | MTX_RECURSE);
+
+ usb_init_task(&sc->sc_scantask, zyd_scantask, sc);
+ usb_init_task(&sc->sc_task, zyd_task, sc);
+
+ callout_init(&sc->sc_amrr_ch, 0);
+ callout_init(&sc->sc_watchdog_ch, 0);
+
+ error = usbd_set_config_no(sc->sc_udev, ZYD_CONFIG_NO, 1);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "setting config no failed\n");
+ error = ENXIO;
+ goto fail;
+ }
+
+ error = usbd_device2interface_handle(sc->sc_udev, ZYD_IFACE_INDEX,
+ &sc->sc_iface);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "getting interface handle failed\n");
+ error = ENXIO;
+ goto fail;
+ }
+
+ if ((error = zyd_open_pipes(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not open pipes\n");
+ goto fail;
+ }
+
+ if ((error = zyd_read_eeprom(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not read EEPROM\n");
+ goto fail;
+ }
+
+ if ((error = zyd_rf_attach(sc, sc->rf_rev)) != 0) {
+ device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n",
+ sc->rf_rev);
+ goto fail;
+ }
+
+ if ((error = zyd_hw_init(sc)) != 0) {
+ device_printf(sc->sc_dev, "hardware initialization failed\n");
+ goto fail;
+ }
+
+ device_printf(sc->sc_dev,
+ "HMAC ZD1211%s, FW %02x.%02x, RF %s, PA %x, address %s\n",
+ (sc->mac_rev == ZYD_ZD1211) ? "": "B",
+ sc->fw_rev >> 8, sc->fw_rev & 0xff, zyd_rf_name(sc->rf_rev),
+ sc->pa_rev, ether_sprintf(ic->ic_myaddr));
+
+ ic->ic_ifp = ifp;
+ ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
+ ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
+ ic->ic_state = IEEE80211_S_INIT;
+
+ /* set device capabilities */
+ ic->ic_caps =
+ IEEE80211_C_MONITOR /* monitor mode */
+ | IEEE80211_C_SHPREAMBLE /* short preamble supported */
+ | IEEE80211_C_SHSLOT /* short slot time supported */
+ | IEEE80211_C_BGSCAN /* capable of bg scanning */
+ | IEEE80211_C_WPA /* 802.11i */
+ ;
+
+ bands = 0;
+ setbit(&bands, IEEE80211_MODE_11B);
+ setbit(&bands, IEEE80211_MODE_11G);
+ ieee80211_init_channels(ic, 0, CTRY_DEFAULT, bands, 0, 1);
+
+ ieee80211_ifattach(ic);
+ ic->ic_node_alloc = zyd_node_alloc;
+ ic->ic_newassoc = zyd_newassoc;
+
+ /* enable s/w bmiss handling in sta mode */
+ ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
+ ic->ic_scan_start = zyd_scan_start;
+ ic->ic_scan_end = zyd_scan_end;
+ ic->ic_set_channel = zyd_set_channel;
+
+ /* override state transition machine */
+ sc->sc_newstate = ic->ic_newstate;
+ ic->ic_newstate = zyd_newstate;
+ ieee80211_media_init(ic, zyd_media_change, ieee80211_media_status);
+ ieee80211_amrr_init(&sc->amrr, ic,
+ IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD,
+ IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD);
+
+ bpfattach2(ifp, DLT_IEEE802_11_RADIO,
+ sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap),
+ &sc->sc_drvbpf);
+
+ sc->sc_rxtap_len = sizeof(sc->sc_rxtap);
+ sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
+ sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT);
+
+ sc->sc_txtap_len = sizeof(sc->sc_txtap);
+ sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
+ sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT);
+
+ if (bootverbose)
+ ieee80211_announce(ic);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
+
+ return error;
+
+fail:
+ mtx_destroy(&sc->sc_mtx);
+
+ return error;
+}
+
+static int
+zyd_detach(device_t dev)
+{
+ struct zyd_softc *sc = device_get_softc(dev);
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = sc->sc_ifp;
+
+ if (!device_is_attached(dev))
+ return 0;
+
+ /* protect a race when we have listeners related with the driver. */
+ ifp->if_flags &= ~IFF_UP;
+
+ zyd_stop(sc, 1);
+ usb_rem_task(sc->sc_udev, &sc->sc_scantask);
+ usb_rem_task(sc->sc_udev, &sc->sc_task);
+ callout_stop(&sc->sc_amrr_ch);
+ callout_stop(&sc->sc_watchdog_ch);
+
+ zyd_close_pipes(sc);
+
+ bpfdetach(ifp);
+ ieee80211_ifdetach(ic);
+ if_free(ifp);
+
+ mtx_destroy(&sc->sc_mtx);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
+
+ return 0;
+}
+
+static int
+zyd_open_pipes(struct zyd_softc *sc)
+{
+ usb_endpoint_descriptor_t *edesc;
+ int isize;
+ usbd_status error;
+
+ /* interrupt in */
+ edesc = usbd_get_endpoint_descriptor(sc->sc_iface, 0x83);
+ if (edesc == NULL)
+ return EINVAL;
+
+ isize = UGETW(edesc->wMaxPacketSize);
+ if (isize == 0) /* should not happen */
+ return EINVAL;
+
+ sc->ibuf = malloc(isize, M_USBDEV, M_NOWAIT);
+ if (sc->ibuf == NULL)
+ return ENOMEM;
+
+ error = usbd_open_pipe_intr(sc->sc_iface, 0x83, USBD_SHORT_XFER_OK,
+ &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zyd_intr,
+ USBD_DEFAULT_INTERVAL);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "open rx intr pipe failed: %s\n",
+ usbd_errstr(error));
+ goto fail;
+ }
+
+ /* interrupt out (not necessarily an interrupt pipe) */
+ error = usbd_open_pipe(sc->sc_iface, 0x04, USBD_EXCLUSIVE_USE,
+ &sc->zyd_ep[ZYD_ENDPT_IOUT]);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "open tx intr pipe failed: %s\n",
+ usbd_errstr(error));
+ goto fail;
+ }
+
+ /* bulk in */
+ error = usbd_open_pipe(sc->sc_iface, 0x82, USBD_EXCLUSIVE_USE,
+ &sc->zyd_ep[ZYD_ENDPT_BIN]);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "open rx pipe failed: %s\n",
+ usbd_errstr(error));
+ goto fail;
+ }
+
+ /* bulk out */
+ error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE,
+ &sc->zyd_ep[ZYD_ENDPT_BOUT]);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "open tx pipe failed: %s\n",
+ usbd_errstr(error));
+ goto fail;
+ }
+
+ return 0;
+
+fail: zyd_close_pipes(sc);
+ return ENXIO;
+}
+
+static void
+zyd_close_pipes(struct zyd_softc *sc)
+{
+ int i;
+
+ for (i = 0; i < ZYD_ENDPT_CNT; i++) {
+ if (sc->zyd_ep[i] != NULL) {
+ usbd_abort_pipe(sc->zyd_ep[i]);
+ usbd_close_pipe(sc->zyd_ep[i]);
+ sc->zyd_ep[i] = NULL;
+ }
+ }
+ if (sc->ibuf != NULL) {
+ free(sc->ibuf, M_USBDEV);
+ sc->ibuf = NULL;
+ }
+}
+
+static int
+zyd_alloc_tx_list(struct zyd_softc *sc)
+{
+ int i, error;
+
+ sc->tx_queued = 0;
+
+ for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
+ struct zyd_tx_data *data = &sc->tx_data[i];
+
+ data->sc = sc; /* backpointer for callbacks */
+
+ data->xfer = usbd_alloc_xfer(sc->sc_udev);
+ if (data->xfer == NULL) {
+ device_printf(sc->sc_dev,
+ "could not allocate tx xfer\n");
+ error = ENOMEM;
+ goto fail;
+ }
+ data->buf = usbd_alloc_buffer(data->xfer, ZYD_MAX_TXBUFSZ);
+ if (data->buf == NULL) {
+ device_printf(sc->sc_dev,
+ "could not allocate tx buffer\n");
+ error = ENOMEM;
+ goto fail;
+ }
+
+ /* clear Tx descriptor */
+ bzero(data->buf, sizeof(struct zyd_tx_desc));
+ }
+ return 0;
+
+fail: zyd_free_tx_list(sc);
+ return error;
+}
+
+static void
+zyd_free_tx_list(struct zyd_softc *sc)
+{
+ int i;
+
+ for (i = 0; i < ZYD_TX_LIST_CNT; i++) {
+ struct zyd_tx_data *data = &sc->tx_data[i];
+
+ if (data->xfer != NULL) {
+ usbd_free_xfer(data->xfer);
+ data->xfer = NULL;
+ }
+ if (data->ni != NULL) {
+ ieee80211_free_node(data->ni);
+ data->ni = NULL;
+ }
+ }
+}
+
+static int
+zyd_alloc_rx_list(struct zyd_softc *sc)
+{
+ int i, error;
+
+ for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
+ struct zyd_rx_data *data = &sc->rx_data[i];
+
+ data->sc = sc; /* backpointer for callbacks */
+
+ data->xfer = usbd_alloc_xfer(sc->sc_udev);
+ if (data->xfer == NULL) {
+ device_printf(sc->sc_dev,
+ "could not allocate rx xfer\n");
+ error = ENOMEM;
+ goto fail;
+ }
+ data->buf = usbd_alloc_buffer(data->xfer, ZYX_MAX_RXBUFSZ);
+ if (data->buf == NULL) {
+ device_printf(sc->sc_dev,
+ "could not allocate rx buffer\n");
+ error = ENOMEM;
+ goto fail;
+ }
+ }
+ return 0;
+
+fail: zyd_free_rx_list(sc);
+ return error;
+}
+
+static void
+zyd_free_rx_list(struct zyd_softc *sc)
+{
+ int i;
+
+ for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
+ struct zyd_rx_data *data = &sc->rx_data[i];
+
+ if (data->xfer != NULL) {
+ usbd_free_xfer(data->xfer);
+ data->xfer = NULL;
+ }
+ }
+}
+
+/* ARGUSED */
+static struct ieee80211_node *
+zyd_node_alloc(struct ieee80211_node_table *nt __unused)
+{
+ struct zyd_node *zn;
+
+ zn = malloc(sizeof(struct zyd_node), M_80211_NODE, M_NOWAIT | M_ZERO);
+ return zn != NULL ? &zn->ni : NULL;
+}
+
+static int
+zyd_media_change(struct ifnet *ifp)
+{
+ struct zyd_softc *sc = ifp->if_softc;
+ int error;
+
+ error = ieee80211_media_change(ifp);
+ if (error != ENETRESET)
+ return error;
+
+ if ((ifp->if_flags & IFF_UP) == IFF_UP &&
+ (ifp->if_drv_flags & IFF_DRV_RUNNING) == IFF_DRV_RUNNING)
+ zyd_init(sc);
+
+ return 0;
+}
+
+static void
+zyd_task(void *arg)
+{
+ struct zyd_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+ enum ieee80211_state ostate;
+
+ ostate = ic->ic_state;
+
+ switch (sc->sc_state) {
+ case IEEE80211_S_RUN:
+ {
+ struct ieee80211_node *ni = ic->ic_bss;
+
+ zyd_set_chan(sc, ic->ic_curchan);
+
+ if (ic->ic_opmode != IEEE80211_M_MONITOR) {
+ /* turn link LED on */
+ zyd_set_led(sc, ZYD_LED1, 1);
+
+ /* make data LED blink upon Tx */
+ zyd_write32(sc, sc->fwbase + ZYD_FW_LINK_STATUS, 1);
+
+ zyd_set_bssid(sc, ni->ni_bssid);
+ }
+
+ if (ic->ic_opmode == IEEE80211_M_STA) {
+ /* fake a join to init the tx rate */
+ zyd_newassoc(ni, 1);
+ }
+
+ /* start automatic rate control timer */
+ if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE)
+ callout_reset(&sc->sc_amrr_ch, hz,
+ zyd_amrr_timeout, sc);
+
+ break;
+ }
+ default:
+ break;
+ }
+
+ sc->sc_newstate(ic, sc->sc_state, sc->sc_arg);
+}
+
+static int
+zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
+{
+ struct zyd_softc *sc = ic->ic_ifp->if_softc;
+
+ usb_rem_task(sc->sc_udev, &sc->sc_task);
+ callout_stop(&sc->sc_amrr_ch);
+
+ /* do it in a process context */
+ sc->sc_state = nstate;
+ sc->sc_arg = arg;
+
+ if (nstate == IEEE80211_S_INIT)
+ sc->sc_newstate(ic, nstate, arg);
+ else
+ usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER);
+
+ return 0;
+}
+
+static int
+zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen,
+ void *odata, int olen, u_int flags)
+{
+ usbd_xfer_handle xfer;
+ struct zyd_cmd cmd;
+ struct rq rq;
+ uint16_t xferflags;
+ usbd_status error;
+
+ if ((xfer = usbd_alloc_xfer(sc->sc_udev)) == NULL)
+ return ENOMEM;
+
+ cmd.code = htole16(code);
+ bcopy(idata, cmd.data, ilen);
+
+ xferflags = USBD_FORCE_SHORT_XFER;
+ if (!(flags & ZYD_CMD_FLAG_READ))
+ xferflags |= USBD_SYNCHRONOUS;
+ else {
+ rq.idata = idata;
+ rq.odata = odata;
+ rq.len = olen / sizeof(struct zyd_pair);
+ STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq);
+ }
+
+ usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, &cmd,
+ sizeof(uint16_t) + ilen, xferflags, ZYD_INTR_TIMEOUT, NULL);
+ error = usbd_transfer(xfer);
+ if (error != USBD_IN_PROGRESS && error != 0) {
+ device_printf(sc->sc_dev, "could not send command (error=%s)\n",
+ usbd_errstr(error));
+ (void)usbd_free_xfer(xfer);
+ return EIO;
+ }
+ if (!(flags & ZYD_CMD_FLAG_READ)) {
+ (void)usbd_free_xfer(xfer);
+ return 0; /* write: don't wait for reply */
+ }
+ /* wait at most one second for command reply */
+ error = tsleep(odata, PCATCH, "zydcmd", hz);
+ if (error == EWOULDBLOCK)
+ device_printf(sc->sc_dev, "zyd_read sleep timeout\n");
+ STAILQ_REMOVE(&sc->sc_rqh, &rq, rq, rq);
+
+ (void)usbd_free_xfer(xfer);
+ return error;
+}
+
+static int
+zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val)
+{
+ struct zyd_pair tmp;
+ int error;
+
+ reg = htole16(reg);
+ error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp),
+ ZYD_CMD_FLAG_READ);
+ if (error == 0)
+ *val = le16toh(tmp.val);
+ return error;
+}
+
+static int
+zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val)
+{
+ struct zyd_pair tmp[2];
+ uint16_t regs[2];
+ int error;
+
+ regs[0] = htole16(ZYD_REG32_HI(reg));
+ regs[1] = htole16(ZYD_REG32_LO(reg));
+ error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp),
+ ZYD_CMD_FLAG_READ);
+ if (error == 0)
+ *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val);
+ return error;
+}
+
+static int
+zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val)
+{
+ struct zyd_pair pair;
+
+ pair.reg = htole16(reg);
+ pair.val = htole16(val);
+
+ return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0);
+}
+
+static int
+zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val)
+{
+ struct zyd_pair pair[2];
+
+ pair[0].reg = htole16(ZYD_REG32_HI(reg));
+ pair[0].val = htole16(val >> 16);
+ pair[1].reg = htole16(ZYD_REG32_LO(reg));
+ pair[1].val = htole16(val & 0xffff);
+
+ return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0);
+}
+
+static int
+zyd_rfwrite(struct zyd_softc *sc, uint32_t val)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+ struct zyd_rfwrite req;
+ uint16_t cr203;
+ int i;
+
+ (void)zyd_read16(sc, ZYD_CR203, &cr203);
+ cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA);
+
+ req.code = htole16(2);
+ req.width = htole16(rf->width);
+ for (i = 0; i < rf->width; i++) {
+ req.bit[i] = htole16(cr203);
+ if (val & (1 << (rf->width - 1 - i)))
+ req.bit[i] |= htole16(ZYD_RF_DATA);
+ }
+ return zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0);
+}
+
+static void
+zyd_lock_phy(struct zyd_softc *sc)
+{
+ uint32_t tmp;
+
+ (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp);
+ tmp &= ~ZYD_UNLOCK_PHY_REGS;
+ (void)zyd_write32(sc, ZYD_MAC_MISC, tmp);
+}
+
+static void
+zyd_unlock_phy(struct zyd_softc *sc)
+{
+ uint32_t tmp;
+
+ (void)zyd_read32(sc, ZYD_MAC_MISC, &tmp);
+ tmp |= ZYD_UNLOCK_PHY_REGS;
+ (void)zyd_write32(sc, ZYD_MAC_MISC, tmp);
+}
+
+/*
+ * RFMD RF methods.
+ */
+static int
+zyd_rfmd_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY;
+ static const uint32_t rfini[] = ZYD_RFMD_RF;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+
+ /* init RFMD radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ return 0;
+#undef N
+}
+
+static int
+zyd_rfmd_switch_radio(struct zyd_rf *rf, int on)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+
+ (void)zyd_write16(sc, ZYD_CR10, on ? 0x89 : 0x15);
+ (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x81);
+
+ return 0;
+}
+
+static int
+zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_RFMD_CHANTABLE;
+
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
+
+ return 0;
+}
+
+/*
+ * AL2230 RF methods.
+ */
+static int
+zyd_al2230_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY;
+ static const uint32_t rfini[] = ZYD_AL2230_RF;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+
+ /* init AL2230 radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ return 0;
+#undef N
+}
+
+static int
+zyd_al2230_init_b(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B;
+ static const uint32_t rfini[] = ZYD_AL2230_RF_B;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+
+ /* init AL2230 radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ return 0;
+#undef N
+}
+
+static int
+zyd_al2230_switch_radio(struct zyd_rf *rf, int on)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ int on251 = (sc->mac_rev == ZYD_ZD1211) ? 0x3f : 0x7f;
+
+ (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04);
+ (void)zyd_write16(sc, ZYD_CR251, on ? on251 : 0x2f);
+
+ return 0;
+}
+
+static int
+zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct {
+ uint32_t r1, r2, r3;
+ } rfprog[] = ZYD_AL2230_CHANTABLE;
+
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r3);
+
+ (void)zyd_write16(sc, ZYD_CR138, 0x28);
+ (void)zyd_write16(sc, ZYD_CR203, 0x06);
+
+ return 0;
+}
+
+/*
+ * AL7230B RF methods.
+ */
+static int
+zyd_al7230B_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1;
+ static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2;
+ static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3;
+ static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1;
+ static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2;
+ int i, error;
+
+ /* for AL7230B, PHY and RF need to be initialized in "phases" */
+
+ /* init RF-dependent PHY registers, part one */
+ for (i = 0; i < N(phyini_1); i++) {
+ error = zyd_write16(sc, phyini_1[i].reg, phyini_1[i].val);
+ if (error != 0)
+ return error;
+ }
+ /* init AL7230B radio, part one */
+ for (i = 0; i < N(rfini_1); i++) {
+ if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0)
+ return error;
+ }
+ /* init RF-dependent PHY registers, part two */
+ for (i = 0; i < N(phyini_2); i++) {
+ error = zyd_write16(sc, phyini_2[i].reg, phyini_2[i].val);
+ if (error != 0)
+ return error;
+ }
+ /* init AL7230B radio, part two */
+ for (i = 0; i < N(rfini_2); i++) {
+ if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0)
+ return error;
+ }
+ /* init RF-dependent PHY registers, part three */
+ for (i = 0; i < N(phyini_3); i++) {
+ error = zyd_write16(sc, phyini_3[i].reg, phyini_3[i].val);
+ if (error != 0)
+ return error;
+ }
+
+ return 0;
+#undef N
+}
+
+static int
+zyd_al7230B_switch_radio(struct zyd_rf *rf, int on)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+
+ (void)zyd_write16(sc, ZYD_CR11, on ? 0x00 : 0x04);
+ (void)zyd_write16(sc, ZYD_CR251, on ? 0x3f : 0x2f);
+
+ return 0;
+}
+
+static int
+zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_AL7230B_CHANTABLE;
+ static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL;
+ int i, error;
+
+ (void)zyd_write16(sc, ZYD_CR240, 0x57);
+ (void)zyd_write16(sc, ZYD_CR251, 0x2f);
+
+ for (i = 0; i < N(rfsc); i++) {
+ if ((error = zyd_rfwrite(sc, rfsc[i])) != 0)
+ return error;
+ }
+
+ (void)zyd_write16(sc, ZYD_CR128, 0x14);
+ (void)zyd_write16(sc, ZYD_CR129, 0x12);
+ (void)zyd_write16(sc, ZYD_CR130, 0x10);
+ (void)zyd_write16(sc, ZYD_CR38, 0x38);
+ (void)zyd_write16(sc, ZYD_CR136, 0xdf);
+
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
+ (void)zyd_rfwrite(sc, 0x3c9000);
+
+ (void)zyd_write16(sc, ZYD_CR251, 0x3f);
+ (void)zyd_write16(sc, ZYD_CR203, 0x06);
+ (void)zyd_write16(sc, ZYD_CR240, 0x08);
+
+ return 0;
+#undef N
+}
+
+/*
+ * AL2210 RF methods.
+ */
+static int
+zyd_al2210_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY;
+ static const uint32_t rfini[] = ZYD_AL2210_RF;
+ uint32_t tmp;
+ int i, error;
+
+ (void)zyd_write32(sc, ZYD_CR18, 2);
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+ /* init AL2210 radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ (void)zyd_write16(sc, ZYD_CR47, 0x1e);
+ (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp);
+ (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1);
+ (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1);
+ (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05);
+ (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00);
+ (void)zyd_write16(sc, ZYD_CR47, 0x1e);
+ (void)zyd_write32(sc, ZYD_CR18, 3);
+
+ return 0;
+#undef N
+}
+
+static int
+zyd_al2210_switch_radio(struct zyd_rf *rf, int on)
+{
+ /* vendor driver does nothing for this RF chip */
+
+ return 0;
+}
+
+static int
+zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE;
+ uint32_t tmp;
+
+ (void)zyd_write32(sc, ZYD_CR18, 2);
+ (void)zyd_write16(sc, ZYD_CR47, 0x1e);
+ (void)zyd_read32(sc, ZYD_CR_RADIO_PD, &tmp);
+ (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp & ~1);
+ (void)zyd_write32(sc, ZYD_CR_RADIO_PD, tmp | 1);
+ (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x05);
+
+ (void)zyd_write32(sc, ZYD_CR_RFCFG, 0x00);
+ (void)zyd_write16(sc, ZYD_CR47, 0x1e);
+
+ /* actually set the channel */
+ (void)zyd_rfwrite(sc, rfprog[chan - 1]);
+
+ (void)zyd_write32(sc, ZYD_CR18, 3);
+
+ return 0;
+}
+
+/*
+ * GCT RF methods.
+ */
+static int
+zyd_gct_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY;
+ static const uint32_t rfini[] = ZYD_GCT_RF;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+ /* init cgt radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ return 0;
+#undef N
+}
+
+static int
+zyd_gct_switch_radio(struct zyd_rf *rf, int on)
+{
+ /* vendor driver does nothing for this RF chip */
+
+ return 0;
+}
+
+static int
+zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+ struct zyd_softc *sc = rf->rf_sc;
+ static const uint32_t rfprog[] = ZYD_GCT_CHANTABLE;
+
+ (void)zyd_rfwrite(sc, 0x1c0000);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1]);
+ (void)zyd_rfwrite(sc, 0x1c0008);
+
+ return 0;
+}
+
+/*
+ * Maxim RF methods.
+ */
+static int
+zyd_maxim_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY;
+ static const uint32_t rfini[] = ZYD_MAXIM_RF;
+ uint16_t tmp;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
+
+ /* init maxim radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
+
+ return 0;
+#undef N
+}
+
+static int
+zyd_maxim_switch_radio(struct zyd_rf *rf, int on)
+{
+ /* vendor driver does nothing for this RF chip */
+
+ return 0;
+}
+
+static int
+zyd_maxim_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_MAXIM_PHY;
+ static const uint32_t rfini[] = ZYD_MAXIM_RF;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_MAXIM_CHANTABLE;
+ uint16_t tmp;
+ int i, error;
+
+ /*
+ * Do the same as we do when initializing it, except for the channel
+ * values coming from the two channel tables.
+ */
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
+
+ /* first two values taken from the chantables */
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
+
+ /* init maxim radio - skipping the two first values */
+ for (i = 2; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
+
+ return 0;
+#undef N
+}
+
+/*
+ * Maxim2 RF methods.
+ */
+static int
+zyd_maxim2_init(struct zyd_rf *rf)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
+ static const uint32_t rfini[] = ZYD_MAXIM2_RF;
+ uint16_t tmp;
+ int i, error;
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
+
+ /* init maxim2 radio */
+ for (i = 0; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
+
+ return 0;
+#undef N
+}
+
+static int
+zyd_maxim2_switch_radio(struct zyd_rf *rf, int on)
+{
+ /* vendor driver does nothing for this RF chip */
+
+ return 0;
+}
+
+static int
+zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan)
+{
+#define N(a) (sizeof(a) / sizeof((a)[0]))
+ struct zyd_softc *sc = rf->rf_sc;
+ static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY;
+ static const uint32_t rfini[] = ZYD_MAXIM2_RF;
+ static const struct {
+ uint32_t r1, r2;
+ } rfprog[] = ZYD_MAXIM2_CHANTABLE;
+ uint16_t tmp;
+ int i, error;
+
+ /*
+ * Do the same as we do when initializing it, except for the channel
+ * values coming from the two channel tables.
+ */
+
+ /* init RF-dependent PHY registers */
+ for (i = 0; i < N(phyini); i++) {
+ error = zyd_write16(sc, phyini[i].reg, phyini[i].val);
+ if (error != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp & ~(1 << 4));
+
+ /* first two values taken from the chantables */
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r1);
+ (void)zyd_rfwrite(sc, rfprog[chan - 1].r2);
+
+ /* init maxim2 radio - skipping the two first values */
+ for (i = 2; i < N(rfini); i++) {
+ if ((error = zyd_rfwrite(sc, rfini[i])) != 0)
+ return error;
+ }
+ (void)zyd_read16(sc, ZYD_CR203, &tmp);
+ (void)zyd_write16(sc, ZYD_CR203, tmp | (1 << 4));
+
+ return 0;
+#undef N
+}
+
+static int
+zyd_rf_attach(struct zyd_softc *sc, uint8_t type)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+
+ rf->rf_sc = sc;
+
+ switch (type) {
+ case ZYD_RF_RFMD:
+ rf->init = zyd_rfmd_init;
+ rf->switch_radio = zyd_rfmd_switch_radio;
+ rf->set_channel = zyd_rfmd_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_AL2230:
+ if (sc->mac_rev == ZYD_ZD1211B)
+ rf->init = zyd_al2230_init_b;
+ else
+ rf->init = zyd_al2230_init;
+ rf->switch_radio = zyd_al2230_switch_radio;
+ rf->set_channel = zyd_al2230_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_AL7230B:
+ rf->init = zyd_al7230B_init;
+ rf->switch_radio = zyd_al7230B_switch_radio;
+ rf->set_channel = zyd_al7230B_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_AL2210:
+ rf->init = zyd_al2210_init;
+ rf->switch_radio = zyd_al2210_switch_radio;
+ rf->set_channel = zyd_al2210_set_channel;
+ rf->width = 24; /* 24-bit RF values */
+ break;
+ case ZYD_RF_GCT:
+ rf->init = zyd_gct_init;
+ rf->switch_radio = zyd_gct_switch_radio;
+ rf->set_channel = zyd_gct_set_channel;
+ rf->width = 21; /* 21-bit RF values */
+ break;
+ case ZYD_RF_MAXIM_NEW:
+ rf->init = zyd_maxim_init;
+ rf->switch_radio = zyd_maxim_switch_radio;
+ rf->set_channel = zyd_maxim_set_channel;
+ rf->width = 18; /* 18-bit RF values */
+ break;
+ case ZYD_RF_MAXIM_NEW2:
+ rf->init = zyd_maxim2_init;
+ rf->switch_radio = zyd_maxim2_switch_radio;
+ rf->set_channel = zyd_maxim2_set_channel;
+ rf->width = 18; /* 18-bit RF values */
+ break;
+ default:
+ device_printf(sc->sc_dev,
+ "sorry, radio \"%s\" is not supported yet\n",
+ zyd_rf_name(type));
+ return EINVAL;
+ }
+ return 0;
+}
+
+static const char *
+zyd_rf_name(uint8_t type)
+{
+ static const char * const zyd_rfs[] = {
+ "unknown", "unknown", "UW2451", "UCHIP", "AL2230",
+ "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT",
+ "PV2000", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2",
+ "PHILIPS"
+ };
+
+ return zyd_rfs[(type > 15) ? 0 : type];
+}
+
+static int
+zyd_hw_init(struct zyd_softc *sc)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+ const struct zyd_phy_pair *phyp;
+ uint32_t tmp;
+ int error;
+
+ /* specify that the plug and play is finished */
+ (void)zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1);
+
+ (void)zyd_read16(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->fwbase);
+ DPRINTF(("firmware base address=0x%04x\n", sc->fwbase));
+
+ /* retrieve firmware revision number */
+ (void)zyd_read16(sc, sc->fwbase + ZYD_FW_FIRMWARE_REV, &sc->fw_rev);
+
+ (void)zyd_write32(sc, ZYD_CR_GPI_EN, 0);
+ (void)zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f);
+
+ /* disable interrupts */
+ (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0);
+
+ /* PHY init */
+ zyd_lock_phy(sc);
+ phyp = (sc->mac_rev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy;
+ for (; phyp->reg != 0; phyp++) {
+ if ((error = zyd_write16(sc, phyp->reg, phyp->val)) != 0)
+ goto fail;
+ }
+ if (sc->fix_cr157) {
+ if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0)
+ (void)zyd_write32(sc, ZYD_CR157, tmp >> 8);
+ }
+ zyd_unlock_phy(sc);
+
+ /* HMAC init */
+ zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000020);
+ zyd_write32(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808);
+
+ if (sc->mac_rev == ZYD_ZD1211) {
+ zyd_write32(sc, ZYD_MAC_RETRY, 0x00000002);
+ } else {
+ zyd_write32(sc, ZYD_MACB_MAX_RETRY, 0x02020202);
+ zyd_write32(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f);
+ zyd_write32(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f);
+ zyd_write32(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f);
+ zyd_write32(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f);
+ zyd_write32(sc, ZYD_MACB_AIFS_CTL1, 0x00280028);
+ zyd_write32(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C);
+ zyd_write32(sc, ZYD_MACB_TXOP, 0x01800824);
+ }
+
+ zyd_write32(sc, ZYD_MAC_SNIFFER, 0x00000000);
+ zyd_write32(sc, ZYD_MAC_RXFILTER, 0x00000000);
+ zyd_write32(sc, ZYD_MAC_GHTBL, 0x00000000);
+ zyd_write32(sc, ZYD_MAC_GHTBH, 0x80000000);
+ zyd_write32(sc, ZYD_MAC_MISC, 0x000000a4);
+ zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f);
+ zyd_write32(sc, ZYD_MAC_BCNCFG, 0x00f00401);
+ zyd_write32(sc, ZYD_MAC_PHY_DELAY2, 0x00000000);
+ zyd_write32(sc, ZYD_MAC_ACK_EXT, 0x00000080);
+ zyd_write32(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000);
+ zyd_write32(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100);
+ zyd_write32(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0547c032);
+ zyd_write32(sc, ZYD_CR_RX_PE_DELAY, 0x00000070);
+ zyd_write32(sc, ZYD_CR_PS_CTRL, 0x10000000);
+ zyd_write32(sc, ZYD_MAC_RTSCTSRATE, 0x02030203);
+ zyd_write32(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640);
+ zyd_write32(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114);
+
+ /* RF chip init */
+ zyd_lock_phy(sc);
+ error = (*rf->init)(rf);
+ zyd_unlock_phy(sc);
+ if (error != 0) {
+ device_printf(sc->sc_dev,
+ "radio initialization failed, error %d\n", error);
+ goto fail;
+ }
+
+ /* init beacon interval to 100ms */
+ if ((error = zyd_set_beacon_interval(sc, 100)) != 0)
+ goto fail;
+
+fail: return error;
+}
+
+static int
+zyd_read_eeprom(struct zyd_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t tmp;
+ uint16_t val;
+ int i;
+
+ /* read MAC address */
+ (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P1, &tmp);
+ ic->ic_myaddr[0] = tmp & 0xff;
+ ic->ic_myaddr[1] = tmp >> 8;
+ ic->ic_myaddr[2] = tmp >> 16;
+ ic->ic_myaddr[3] = tmp >> 24;
+ (void)zyd_read32(sc, ZYD_EEPROM_MAC_ADDR_P2, &tmp);
+ ic->ic_myaddr[4] = tmp & 0xff;
+ ic->ic_myaddr[5] = tmp >> 8;
+
+ (void)zyd_read32(sc, ZYD_EEPROM_POD, &tmp);
+ sc->rf_rev = tmp & 0x0f;
+ sc->fix_cr47 = (tmp >> 8 ) & 0x01;
+ sc->fix_cr157 = (tmp >> 13) & 0x01;
+ sc->pa_rev = (tmp >> 16) & 0x0f;
+
+ /* read regulatory domain (currently unused) */
+ (void)zyd_read32(sc, ZYD_EEPROM_SUBID, &tmp);
+ sc->regdomain = tmp >> 16;
+ DPRINTF(("regulatory domain %x\n", sc->regdomain));
+
+ /* read Tx power calibration tables */
+ for (i = 0; i < 7; i++) {
+ (void)zyd_read16(sc, ZYD_EEPROM_PWR_CAL + i, &val);
+ sc->pwr_cal[i * 2] = val >> 8;
+ sc->pwr_cal[i * 2 + 1] = val & 0xff;
+
+ (void)zyd_read16(sc, ZYD_EEPROM_PWR_INT + i, &val);
+ sc->pwr_int[i * 2] = val >> 8;
+ sc->pwr_int[i * 2 + 1] = val & 0xff;
+
+ (void)zyd_read16(sc, ZYD_EEPROM_36M_CAL + i, &val);
+ sc->ofdm36_cal[i * 2] = val >> 8;
+ sc->ofdm36_cal[i * 2 + 1] = val & 0xff;
+
+ (void)zyd_read16(sc, ZYD_EEPROM_48M_CAL + i, &val);
+ sc->ofdm48_cal[i * 2] = val >> 8;
+ sc->ofdm48_cal[i * 2 + 1] = val & 0xff;
+
+ (void)zyd_read16(sc, ZYD_EEPROM_54M_CAL + i, &val);
+ sc->ofdm54_cal[i * 2] = val >> 8;
+ sc->ofdm54_cal[i * 2 + 1] = val & 0xff;
+ }
+ return 0;
+}
+
+static int
+zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr)
+{
+ uint32_t tmp;
+
+ tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
+ (void)zyd_write32(sc, ZYD_MAC_MACADRL, tmp);
+
+ tmp = addr[5] << 8 | addr[4];
+ (void)zyd_write32(sc, ZYD_MAC_MACADRH, tmp);
+
+ return 0;
+}
+
+static int
+zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr)
+{
+ uint32_t tmp;
+
+ tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0];
+ (void)zyd_write32(sc, ZYD_MAC_BSSADRL, tmp);
+
+ tmp = addr[5] << 8 | addr[4];
+ (void)zyd_write32(sc, ZYD_MAC_BSSADRH, tmp);
+
+ return 0;
+}
+
+static int
+zyd_switch_radio(struct zyd_softc *sc, int on)
+{
+ struct zyd_rf *rf = &sc->sc_rf;
+ int error;
+
+ zyd_lock_phy(sc);
+ error = (*rf->switch_radio)(rf, on);
+ zyd_unlock_phy(sc);
+
+ return error;
+}
+
+static void
+zyd_set_led(struct zyd_softc *sc, int which, int on)
+{
+ uint32_t tmp;
+
+ (void)zyd_read32(sc, ZYD_MAC_TX_PE_CONTROL, &tmp);
+ tmp &= ~which;
+ if (on)
+ tmp |= which;
+ (void)zyd_write32(sc, ZYD_MAC_TX_PE_CONTROL, tmp);
+}
+
+static void
+zyd_set_multi(struct zyd_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ifmultiaddr *ifma;
+ uint32_t low, high;
+ uint8_t v;
+
+ if (!(ifp->if_flags & IFF_UP))
+ return;
+
+ low = 0x00000000;
+ high = 0x80000000;
+
+ if (ic->ic_opmode == IEEE80211_M_MONITOR ||
+ (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) {
+ low = 0xffffffff;
+ high = 0xffffffff;
+ } else {
+ IF_ADDR_LOCK(ifp);
+ TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
+ if (ifma->ifma_addr->sa_family != AF_LINK)
+ continue;
+ v = ((uint8_t *)LLADDR((struct sockaddr_dl *)
+ ifma->ifma_addr))[5] >> 2;
+ if (v < 32)
+ low |= 1 << v;
+ else
+ high |= 1 << (v - 32);
+ }
+ IF_ADDR_UNLOCK(ifp);
+ }
+
+ /* reprogram multicast global hash table */
+ zyd_write32(sc, ZYD_MAC_GHTBL, low);
+ zyd_write32(sc, ZYD_MAC_GHTBH, high);
+}
+
+static int
+zyd_set_rxfilter(struct zyd_softc *sc)
+{
+ uint32_t rxfilter;
+
+ switch (sc->sc_ic.ic_opmode) {
+ case IEEE80211_M_STA:
+ rxfilter = ZYD_FILTER_BSS;
+ break;
+ case IEEE80211_M_IBSS:
+ case IEEE80211_M_HOSTAP:
+ rxfilter = ZYD_FILTER_HOSTAP;
+ break;
+ case IEEE80211_M_MONITOR:
+ rxfilter = ZYD_FILTER_MONITOR;
+ break;
+ default:
+ /* should not get there */
+ return EINVAL;
+ }
+ return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter);
+}
+
+static void
+zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct zyd_rf *rf = &sc->sc_rf;
+ uint32_t tmp;
+ u_int chan;
+
+ chan = ieee80211_chan2ieee(ic, c);
+ if (chan == 0 || chan == IEEE80211_CHAN_ANY) {
+ /* XXX should NEVER happen */
+ device_printf(sc->sc_dev,
+ "%s: invalid channel %x\n", __func__, chan);
+ return;
+ }
+
+ zyd_lock_phy(sc);
+
+ (*rf->set_channel)(rf, chan);
+
+ /* update Tx power */
+ (void)zyd_write16(sc, ZYD_CR31, sc->pwr_int[chan - 1]);
+
+ if (sc->mac_rev == ZYD_ZD1211B) {
+ (void)zyd_write16(sc, ZYD_CR67, sc->ofdm36_cal[chan - 1]);
+ (void)zyd_write16(sc, ZYD_CR66, sc->ofdm48_cal[chan - 1]);
+ (void)zyd_write16(sc, ZYD_CR65, sc->ofdm54_cal[chan - 1]);
+
+ (void)zyd_write16(sc, ZYD_CR68, sc->pwr_cal[chan - 1]);
+
+ (void)zyd_write16(sc, ZYD_CR69, 0x28);
+ (void)zyd_write16(sc, ZYD_CR69, 0x2a);
+ }
+
+ if (sc->fix_cr47) {
+ /* set CCK baseband gain from EEPROM */
+ if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0)
+ (void)zyd_write16(sc, ZYD_CR47, tmp & 0xff);
+ }
+
+ (void)zyd_write32(sc, ZYD_CR_CONFIG_PHILIPS, 0);
+
+ zyd_unlock_phy(sc);
+
+ sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq =
+ htole16(c->ic_freq);
+ sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags =
+ htole16(c->ic_flags);
+}
+
+static int
+zyd_set_beacon_interval(struct zyd_softc *sc, int bintval)
+{
+ /* XXX this is probably broken.. */
+ (void)zyd_write32(sc, ZYD_CR_ATIM_WND_PERIOD, bintval - 2);
+ (void)zyd_write32(sc, ZYD_CR_PRE_TBTT, bintval - 1);
+ (void)zyd_write32(sc, ZYD_CR_BCN_INTERVAL, bintval);
+
+ return 0;
+}
+
+static uint8_t
+zyd_plcp_signal(int rate)
+{
+ switch (rate) {
+ /* CCK rates (returned values are device-dependent) */
+ case 2: return 0x0;
+ case 4: return 0x1;
+ case 11: return 0x2;
+ case 22: return 0x3;
+
+ /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
+ case 12: return 0xb;
+ case 18: return 0xf;
+ case 24: return 0xa;
+ case 36: return 0xe;
+ case 48: return 0x9;
+ case 72: return 0xd;
+ case 96: return 0x8;
+ case 108: return 0xc;
+
+ /* unsupported rates (should not get there) */
+ default: return 0xff;
+ }
+}
+
+static void
+zyd_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct zyd_softc *sc = (struct zyd_softc *)priv;
+ struct zyd_cmd *cmd;
+ uint32_t datalen;
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
+ return;
+
+ if (status == USBD_STALLED) {
+ usbd_clear_endpoint_stall_async(
+ sc->zyd_ep[ZYD_ENDPT_IIN]);
+ }
+ return;
+ }
+
+ cmd = (struct zyd_cmd *)sc->ibuf;
+
+ if (le16toh(cmd->code) == ZYD_NOTIF_RETRYSTATUS) {
+ struct zyd_notif_retry *retry =
+ (struct zyd_notif_retry *)cmd->data;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = sc->sc_ifp;
+ struct ieee80211_node *ni;
+
+ DPRINTF(("retry intr: rate=0x%x addr=%s count=%d (0x%x)\n",
+ le16toh(retry->rate), ether_sprintf(retry->macaddr),
+ le16toh(retry->count) & 0xff, le16toh(retry->count)));
+
+ /*
+ * Find the node to which the packet was sent and update its
+ * retry statistics. In BSS mode, this node is the AP we're
+ * associated to so no lookup is actually needed.
+ */
+ if (ic->ic_opmode != IEEE80211_M_STA) {
+ ni = ieee80211_find_node(&ic->ic_sta, retry->macaddr);
+ if (ni == NULL)
+ return; /* just ignore */
+ } else
+ ni = ic->ic_bss;
+
+ ((struct zyd_node *)ni)->amn.amn_retrycnt++;
+
+ if (le16toh(retry->count) & 0x100)
+ ifp->if_oerrors++; /* too many retries */
+ } else if (le16toh(cmd->code) == ZYD_NOTIF_IORD) {
+ struct rq *rqp;
+
+ if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT)
+ return; /* HMAC interrupt */
+
+ usbd_get_xfer_status(xfer, NULL, NULL, &datalen, NULL);
+ datalen -= sizeof(cmd->code);
+ datalen -= 2; /* XXX: padding? */
+
+ STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) {
+ int i;
+
+ if (sizeof(struct zyd_pair) * rqp->len != datalen)
+ continue;
+ for (i = 0; i < rqp->len; i++) {
+ if (*(((const uint16_t *)rqp->idata) + i) !=
+ (((struct zyd_pair *)cmd->data) + i)->reg)
+ break;
+ }
+ if (i != rqp->len)
+ continue;
+
+ /* copy answer into caller-supplied buffer */
+ bcopy(cmd->data, rqp->odata,
+ sizeof(struct zyd_pair) * rqp->len);
+ wakeup(rqp->odata); /* wakeup caller */
+
+ return;
+ }
+ return; /* unexpected IORD notification */
+ } else {
+ device_printf(sc->sc_dev, "unknown notification %x\n",
+ le16toh(cmd->code));
+ }
+}
+
+static __inline uint8_t
+zyd_plcp2ieee(int signal, int isofdm)
+{
+ if (isofdm) {
+ static const uint8_t ofdmrates[16] =
+ { 0, 0, 0, 0, 0, 0, 0, 96, 48, 24, 12, 108, 72, 36, 18 };
+ return ofdmrates[signal & 0xf];
+ } else {
+ static const uint8_t cckrates[16] =
+ { 0, 0, 0, 0, 4, 0, 0, 11, 0, 0, 2, 0, 0, 0, 22, 0 };
+ return cckrates[signal & 0xf];
+ }
+}
+
+static void
+zyd_rx_data(struct zyd_softc *sc, const uint8_t *buf, uint16_t len)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = sc->sc_ifp;
+ struct ieee80211_node *ni;
+ const struct zyd_plcphdr *plcp;
+ const struct zyd_rx_stat *stat;
+ struct mbuf *m;
+ int rlen;
+
+ if (len < ZYD_MIN_FRAGSZ) {
+ DPRINTF(("%s: frame too short (length=%d)\n",
+ device_get_nameunit(sc->sc_dev), len));
+ ifp->if_ierrors++;
+ return;
+ }
+
+ plcp = (const struct zyd_plcphdr *)buf;
+ stat = (const struct zyd_rx_stat *)
+ (buf + len - sizeof(struct zyd_rx_stat));
+
+ if (stat->flags & ZYD_RX_ERROR) {
+ DPRINTF(("%s: RX status indicated error (%x)\n",
+ device_get_nameunit(sc->sc_dev), stat->flags));
+ ifp->if_ierrors++;
+ return;
+ }
+
+ /* compute actual frame length */
+ rlen = len - sizeof(struct zyd_plcphdr) -
+ sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN;
+
+ /* allocate a mbuf to store the frame */
+ if (rlen > MHLEN)
+ m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
+ else
+ m = m_gethdr(M_DONTWAIT, MT_DATA);
+ if (m == NULL) {
+ DPRINTF(("%s: could not allocate rx mbuf\n",
+ device_get_nameunit(sc->sc_dev)));
+ ifp->if_ierrors++;
+ return;
+ }
+ m->m_pkthdr.rcvif = ifp;
+ m->m_pkthdr.len = m->m_len = rlen;
+ bcopy((const uint8_t *)(plcp + 1), mtod(m, uint8_t *), rlen);
+
+ if (bpf_peers_present(sc->sc_drvbpf)) {
+ struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap;
+
+ tap->wr_flags = 0;
+ if (stat->flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32))
+ tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS;
+ /* XXX toss, no way to express errors */
+ if (stat->flags & ZYD_RX_DECRYPTERR)
+ tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS;
+ tap->wr_rate =
+ zyd_plcp2ieee(plcp->signal, stat->flags & ZYD_RX_OFDM);
+ tap->wr_antsignal = stat->rssi + -95;
+ tap->wr_antnoise = -95; /* XXX */
+
+ bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m);
+ }
+
+ ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *));
+ ieee80211_input(ic, m, ni,
+ stat->rssi > 63 ? 127 : 2 * stat->rssi, -95/*XXX*/, 0);
+
+ /* node is no longer needed */
+ ieee80211_free_node(ni);
+}
+
+static void
+zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct zyd_rx_data *data = priv;
+ struct zyd_softc *sc = data->sc;
+ struct ifnet *ifp = sc->sc_ifp;
+ const struct zyd_rx_desc *desc;
+ int len;
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
+ return;
+
+ if (status == USBD_STALLED)
+ usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]);
+
+ goto skip;
+ }
+ usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
+
+ if (len < ZYD_MIN_RXBUFSZ) {
+ DPRINTFN(3, ("%s: xfer too short (length=%d)\n",
+ device_get_nameunit(sc->sc_dev), len));
+ ifp->if_ierrors++; /* XXX not really errors */
+ goto skip;
+ }
+
+ desc = (const struct zyd_rx_desc *)
+ (data->buf + len - sizeof(struct zyd_rx_desc));
+
+ if (UGETW(desc->tag) == ZYD_TAG_MULTIFRAME) {
+ const uint8_t *p = data->buf, *end = p + len;
+ int i;
+
+ DPRINTFN(3, ("received multi-frame transfer\n"));
+
+ for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) {
+ const uint16_t len16 = UGETW(desc->len[i]);
+
+ if (len16 == 0 || p + len16 > end)
+ break;
+
+ zyd_rx_data(sc, p, len16);
+ /* next frame is aligned on a 32-bit boundary */
+ p += (len16 + 3) & ~3;
+ }
+ } else {
+ DPRINTFN(3, ("received single-frame transfer\n"));
+
+ zyd_rx_data(sc, data->buf, len);
+ }
+
+skip: /* setup a new transfer */
+ usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, NULL,
+ ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK,
+ USBD_NO_TIMEOUT, zyd_rxeof);
+ (void)usbd_transfer(xfer);
+}
+
+static int
+zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = sc->sc_ifp;
+ struct zyd_tx_desc *desc;
+ struct zyd_tx_data *data;
+ struct ieee80211_frame *wh;
+ int xferlen, totlen, rate;
+ uint16_t pktlen;
+ usbd_status error;
+
+ data = &sc->tx_data[0];
+ desc = (struct zyd_tx_desc *)data->buf;
+
+ rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
+
+ data->ni = ni;
+ data->m = m0;
+
+ wh = mtod(m0, struct ieee80211_frame *);
+
+ xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len;
+ totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN;
+
+ /* fill Tx descriptor */
+ desc->len = htole16(totlen);
+
+ desc->flags = ZYD_TX_FLAG_BACKOFF;
+ if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+ /* multicast frames are not sent at OFDM rates in 802.11b/g */
+ if (totlen > ic->ic_rtsthreshold) {
+ desc->flags |= ZYD_TX_FLAG_RTS;
+ } else if (ZYD_RATE_IS_OFDM(rate) &&
+ (ic->ic_flags & IEEE80211_F_USEPROT)) {
+ if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
+ desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF;
+ else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
+ desc->flags |= ZYD_TX_FLAG_RTS;
+ }
+ } else
+ desc->flags |= ZYD_TX_FLAG_MULTICAST;
+
+ if ((wh->i_fc[0] &
+ (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
+ (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL))
+ desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
+
+ desc->phy = zyd_plcp_signal(rate);
+ if (ZYD_RATE_IS_OFDM(rate)) {
+ desc->phy |= ZYD_TX_PHY_OFDM;
+ if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
+ desc->phy |= ZYD_TX_PHY_5GHZ;
+ } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
+ desc->phy |= ZYD_TX_PHY_SHPREAMBLE;
+
+ /* actual transmit length (XXX why +10?) */
+ pktlen = sizeof(struct zyd_tx_desc) + 10;
+ if (sc->mac_rev == ZYD_ZD1211)
+ pktlen += totlen;
+ desc->pktlen = htole16(pktlen);
+
+ desc->plcp_length = (16 * totlen + rate - 1) / rate;
+ desc->plcp_service = 0;
+ if (rate == 22) {
+ const int remainder = (16 * totlen) % 22;
+ if (remainder != 0 && remainder < 7)
+ desc->plcp_service |= ZYD_PLCP_LENGEXT;
+ }
+
+ if (bpf_peers_present(sc->sc_drvbpf)) {
+ struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
+
+ tap->wt_flags = 0;
+ tap->wt_rate = rate;
+
+ bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0);
+ }
+
+ m_copydata(m0, 0, m0->m_pkthdr.len,
+ data->buf + sizeof(struct zyd_tx_desc));
+
+ DPRINTFN(10, ("%s: sending mgt frame len=%zu rate=%u xferlen=%u\n",
+ device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len,
+ rate, xferlen));
+
+ usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data,
+ data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
+ ZYD_TX_TIMEOUT, zyd_txeof);
+ error = usbd_transfer(data->xfer);
+ if (error != USBD_IN_PROGRESS && error != 0) {
+ ifp->if_oerrors++;
+ return EIO;
+ }
+ sc->tx_queued++;
+
+ return 0;
+}
+
+static void
+zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct zyd_tx_data *data = priv;
+ struct zyd_softc *sc = data->sc;
+ struct ifnet *ifp = sc->sc_ifp;
+ struct ieee80211_node *ni;
+ struct mbuf *m;
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
+ return;
+
+ device_printf(sc->sc_dev, "could not transmit buffer: %s\n",
+ usbd_errstr(status));
+
+ if (status == USBD_STALLED) {
+ usbd_clear_endpoint_stall_async(
+ sc->zyd_ep[ZYD_ENDPT_BOUT]);
+ }
+ ifp->if_oerrors++;
+ return;
+ }
+
+ ni = data->ni;
+ /* update rate control statistics */
+ ((struct zyd_node *)ni)->amn.amn_txcnt++;
+
+ /*
+ * Do any tx complete callback. Note this must
+ * be done before releasing the node reference.
+ */
+ m = data->m;
+ if (m != NULL && m->m_flags & M_TXCB) {
+ ieee80211_process_callback(ni, m, 0); /* XXX status? */
+ m_freem(m);
+ data->m = NULL;
+ }
+
+ ieee80211_free_node(ni);
+ data->ni = NULL;
+
+ sc->tx_queued--;
+ ifp->if_opackets++;
+
+ sc->tx_timer = 0;
+ ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+ zyd_start(ifp);
+}
+
+static int
+zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = sc->sc_ifp;
+ struct zyd_tx_desc *desc;
+ struct zyd_tx_data *data;
+ struct ieee80211_frame *wh;
+ struct ieee80211_key *k;
+ int xferlen, totlen, rate;
+ uint16_t pktlen;
+ usbd_status error;
+
+ wh = mtod(m0, struct ieee80211_frame *);
+ data = &sc->tx_data[0];
+ desc = (struct zyd_tx_desc *)data->buf;
+
+ desc->flags = ZYD_TX_FLAG_BACKOFF;
+ if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+ rate = ic->ic_mcast_rate;
+ desc->flags |= ZYD_TX_FLAG_MULTICAST;
+ } else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
+ rate = ic->ic_bss->ni_rates.rs_rates[ic->ic_fixed_rate];
+ else
+ rate = ni->ni_rates.rs_rates[ni->ni_txrate];
+ rate &= IEEE80211_RATE_VAL;
+
+ if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
+ k = ieee80211_crypto_encap(ic, ni, m0);
+ if (k == NULL) {
+ m_freem(m0);
+ return ENOBUFS;
+ }
+
+ /* packet header may have moved, reset our local pointer */
+ wh = mtod(m0, struct ieee80211_frame *);
+ }
+
+ data->ni = ni;
+ data->m = NULL;
+
+ xferlen = sizeof(struct zyd_tx_desc) + m0->m_pkthdr.len;
+ totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN;
+
+ /* fill Tx descriptor */
+ desc->len = htole16(totlen);
+
+ if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+ /* multicast frames are not sent at OFDM rates in 802.11b/g */
+ if (totlen > ic->ic_rtsthreshold) {
+ desc->flags |= ZYD_TX_FLAG_RTS;
+ } else if (ZYD_RATE_IS_OFDM(rate) &&
+ (ic->ic_flags & IEEE80211_F_USEPROT)) {
+ if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
+ desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF;
+ else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
+ desc->flags |= ZYD_TX_FLAG_RTS;
+ }
+ }
+
+ if ((wh->i_fc[0] &
+ (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
+ (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL))
+ desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL);
+
+ desc->phy = zyd_plcp_signal(rate);
+ if (ZYD_RATE_IS_OFDM(rate)) {
+ desc->phy |= ZYD_TX_PHY_OFDM;
+ if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
+ desc->phy |= ZYD_TX_PHY_5GHZ;
+ } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
+ desc->phy |= ZYD_TX_PHY_SHPREAMBLE;
+
+ /* actual transmit length (XXX why +10?) */
+ pktlen = sizeof(struct zyd_tx_desc) + 10;
+ if (sc->mac_rev == ZYD_ZD1211)
+ pktlen += totlen;
+ desc->pktlen = htole16(pktlen);
+
+ desc->plcp_length = (16 * totlen + rate - 1) / rate;
+ desc->plcp_service = 0;
+ if (rate == 22) {
+ const int remainder = (16 * totlen) % 22;
+ if (remainder != 0 && remainder < 7)
+ desc->plcp_service |= ZYD_PLCP_LENGEXT;
+ }
+
+ if (bpf_peers_present(sc->sc_drvbpf)) {
+ struct zyd_tx_radiotap_header *tap = &sc->sc_txtap;
+
+ tap->wt_flags = 0;
+ tap->wt_rate = rate;
+ tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq);
+ tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags);
+
+ bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0);
+ }
+
+ m_copydata(m0, 0, m0->m_pkthdr.len,
+ data->buf + sizeof(struct zyd_tx_desc));
+
+ DPRINTFN(10, ("%s: sending data frame len=%zu rate=%u xferlen=%u\n",
+ device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len,
+ rate, xferlen));
+
+ m_freem(m0); /* mbuf no longer needed */
+
+ usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data,
+ data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
+ ZYD_TX_TIMEOUT, zyd_txeof);
+ error = usbd_transfer(data->xfer);
+ if (error != USBD_IN_PROGRESS && error != 0) {
+ ifp->if_oerrors++;
+ return EIO;
+ }
+ sc->tx_queued++;
+
+ return 0;
+}
+
+static void
+zyd_start(struct ifnet *ifp)
+{
+ struct zyd_softc *sc = ifp->if_softc;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ether_header *eh;
+ struct ieee80211_node *ni;
+ struct mbuf *m0;
+
+ for (;;) {
+ IF_POLL(&ic->ic_mgtq, m0);
+ if (m0 != NULL) {
+ if (sc->tx_queued >= ZYD_TX_LIST_CNT) {
+ ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+ break;
+ }
+ IF_DEQUEUE(&ic->ic_mgtq, m0);
+
+ ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif;
+ m0->m_pkthdr.rcvif = NULL;
+ if (bpf_peers_present(ic->ic_rawbpf))
+ bpf_mtap(ic->ic_rawbpf, m0);
+ if (zyd_tx_mgt(sc, m0, ni) != 0)
+ break;
+ } else {
+ if (ic->ic_state != IEEE80211_S_RUN)
+ break;
+ IFQ_POLL(&ifp->if_snd, m0);
+ if (m0 == NULL)
+ break;
+ if (sc->tx_queued >= ZYD_TX_LIST_CNT) {
+ ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+ break;
+ }
+ IFQ_DEQUEUE(&ifp->if_snd, m0);
+ /*
+ * Cancel any background scan.
+ */
+ if (ic->ic_flags & IEEE80211_F_SCAN)
+ ieee80211_cancel_scan(ic);
+
+ if (m0->m_len < sizeof(struct ether_header) &&
+ !(m0 = m_pullup(m0, sizeof(struct ether_header))))
+ continue;
+
+ eh = mtod(m0, struct ether_header *);
+ ni = ieee80211_find_txnode(ic, eh->ether_dhost);
+ if (ni == NULL) {
+ m_freem(m0);
+ continue;
+ }
+ if (bpf_peers_present(ifp->if_bpf))
+ bpf_mtap(ifp->if_bpf, m0);
+ if ((m0 = ieee80211_encap(ic, m0, ni)) == NULL) {
+ ieee80211_free_node(ni);
+ ifp->if_oerrors++;
+ continue;
+ }
+ if (bpf_peers_present(ic->ic_rawbpf))
+ bpf_mtap(ic->ic_rawbpf, m0);
+ if (zyd_tx_data(sc, m0, ni) != 0) {
+ ieee80211_free_node(ni);
+ ifp->if_oerrors++;
+ break;
+ }
+ }
+
+ sc->tx_timer = 5;
+ ic->ic_lastdata = ticks;
+ callout_reset(&sc->sc_watchdog_ch, hz, zyd_watchdog, sc);
+ }
+}
+
+static void
+zyd_watchdog(void *arg)
+{
+ struct zyd_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = ic->ic_ifp;
+
+ if (sc->tx_timer > 0) {
+ if (--sc->tx_timer == 0) {
+ device_printf(sc->sc_dev, "device timeout\n");
+ /* zyd_init(ifp); XXX needs a process context ? */
+ ifp->if_oerrors++;
+ return;
+ }
+ callout_reset(&sc->sc_watchdog_ch, hz, zyd_watchdog, sc);
+ }
+}
+
+static int
+zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+ struct zyd_softc *sc = ifp->if_softc;
+ struct ieee80211com *ic = &sc->sc_ic;
+ int error = 0;
+
+ ZYD_LOCK(sc);
+
+ switch (cmd) {
+ case SIOCSIFFLAGS:
+ if (ifp->if_flags & IFF_UP) {
+ if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
+ if ((ifp->if_flags ^ sc->sc_if_flags) &
+ (IFF_ALLMULTI | IFF_PROMISC))
+ zyd_set_multi(sc);
+ } else
+ zyd_init(sc);
+ } else {
+ if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+ zyd_stop(sc, 1);
+ }
+ sc->sc_if_flags = ifp->if_flags;
+ break;
+
+ case SIOCADDMULTI:
+ case SIOCDELMULTI:
+ if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+ zyd_set_multi(sc);
+ break;
+
+ default:
+ error = ieee80211_ioctl(ic, cmd, data);
+ }
+
+ if (error == ENETRESET) {
+ if ((ifp->if_flags & IFF_UP) == IFF_UP &&
+ (ifp->if_drv_flags & IFF_DRV_RUNNING) == IFF_DRV_RUNNING)
+ zyd_init(sc);
+ error = 0;
+ }
+
+ ZYD_UNLOCK(sc);
+
+ return error;
+}
+
+static void
+zyd_init(void *priv)
+{
+ struct zyd_softc *sc = priv;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = ic->ic_ifp;
+ int i, error;
+
+ zyd_stop(sc, 0);
+
+ IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
+ DPRINTF(("setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr)));
+ error = zyd_set_macaddr(sc, ic->ic_myaddr);
+ if (error != 0)
+ return;
+
+ /* we'll do software WEP decryption for now */
+ DPRINTF(("setting encryption type\n"));
+ error = zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER);
+ if (error != 0)
+ return;
+
+ /* promiscuous mode */
+ (void)zyd_write32(sc, ZYD_MAC_SNIFFER,
+ (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : 0);
+
+ /* multicast setup */
+ (void)zyd_set_multi(sc);
+
+ (void)zyd_set_rxfilter(sc);
+
+ /* switch radio transmitter ON */
+ (void)zyd_switch_radio(sc, 1);
+
+ /* XXX wrong, can't set here */
+ /* set basic rates */
+ if (ic->ic_curmode == IEEE80211_MODE_11B)
+ (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x0003);
+ else if (ic->ic_curmode == IEEE80211_MODE_11A)
+ (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x1500);
+ else /* assumes 802.11b/g */
+ (void)zyd_write32(sc, ZYD_MAC_BAS_RATE, 0x000f);
+
+ /* set mandatory rates */
+ if (ic->ic_curmode == IEEE80211_MODE_11B)
+ (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x000f);
+ else if (ic->ic_curmode == IEEE80211_MODE_11A)
+ (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x1500);
+ else /* assumes 802.11b/g */
+ (void)zyd_write32(sc, ZYD_MAC_MAN_RATE, 0x150f);
+
+ /* set default BSS channel */
+ zyd_set_chan(sc, ic->ic_curchan);
+
+ /* enable interrupts */
+ (void)zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK);
+
+ /*
+ * Allocate Tx and Rx xfer queues.
+ */
+ if ((error = zyd_alloc_tx_list(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not allocate Tx list\n");
+ goto fail;
+ }
+ if ((error = zyd_alloc_rx_list(sc)) != 0) {
+ device_printf(sc->sc_dev, "could not allocate Rx list\n");
+ goto fail;
+ }
+
+ /*
+ * Start up the receive pipe.
+ */
+ for (i = 0; i < ZYD_RX_LIST_CNT; i++) {
+ struct zyd_rx_data *data = &sc->rx_data[i];
+
+ usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data,
+ NULL, ZYX_MAX_RXBUFSZ, USBD_NO_COPY | USBD_SHORT_XFER_OK,
+ USBD_NO_TIMEOUT, zyd_rxeof);
+ error = usbd_transfer(data->xfer);
+ if (error != USBD_IN_PROGRESS && error != 0) {
+ device_printf(sc->sc_dev,
+ "could not queue Rx transfer\n");
+ goto fail;
+ }
+ }
+
+ ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+ ifp->if_drv_flags |= IFF_DRV_RUNNING;
+
+ if (ic->ic_opmode != IEEE80211_M_MONITOR) {
+ if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
+ ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
+ } else
+ ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
+
+ return;
+
+fail: zyd_stop(sc, 1);
+ return;
+}
+
+static void
+zyd_stop(struct zyd_softc *sc, int disable)
+{
+ struct ifnet *ifp = sc->sc_ifp;
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */
+
+ sc->tx_timer = 0;
+ ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+
+ /* switch radio transmitter OFF */
+ (void)zyd_switch_radio(sc, 0);
+
+ /* disable Rx */
+ (void)zyd_write32(sc, ZYD_MAC_RXFILTER, 0);
+
+ /* disable interrupts */
+ (void)zyd_write32(sc, ZYD_CR_INTERRUPT, 0);
+
+ usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BIN]);
+ usbd_abort_pipe(sc->zyd_ep[ZYD_ENDPT_BOUT]);
+
+ zyd_free_rx_list(sc);
+ zyd_free_tx_list(sc);
+}
+
+static int
+zyd_loadfirmware(struct zyd_softc *sc, u_char *fw, size_t size)
+{
+ usb_device_request_t req;
+ uint16_t addr;
+ uint8_t stat;
+
+ DPRINTF(("firmware size=%zu\n", size));
+
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = ZYD_DOWNLOADREQ;
+ USETW(req.wIndex, 0);
+
+ addr = ZYD_FIRMWARE_START_ADDR;
+ while (size > 0) {
+#if 0
+ const int mlen = min(size, 4096);
+#else
+ /*
+ * XXXX: When the transfer size is 4096 bytes, it is not
+ * likely to be able to transfer it.
+ * The cause is port or machine or chip?
+ */
+ const int mlen = min(size, 64);
+#endif
+
+ DPRINTF(("loading firmware block: len=%d, addr=0x%x\n", mlen,
+ addr));
+
+ USETW(req.wValue, addr);
+ USETW(req.wLength, mlen);
+ if (usbd_do_request(sc->sc_udev, &req, fw) != 0)
+ return EIO;
+
+ addr += mlen / 2;
+ fw += mlen;
+ size -= mlen;
+ }
+
+ /* check whether the upload succeeded */
+ req.bmRequestType = UT_READ_VENDOR_DEVICE;
+ req.bRequest = ZYD_DOWNLOADSTS;
+ USETW(req.wValue, 0);
+ USETW(req.wIndex, 0);
+ USETW(req.wLength, sizeof(stat));
+ if (usbd_do_request(sc->sc_udev, &req, &stat) != 0)
+ return EIO;
+
+ return (stat & 0x80) ? EIO : 0;
+}
+
+static void
+zyd_iter_func(void *arg, struct ieee80211_node *ni)
+{
+ struct zyd_softc *sc = arg;
+ struct zyd_node *zn = (struct zyd_node *)ni;
+
+ ieee80211_amrr_choose(&sc->amrr, ni, &zn->amn);
+}
+
+static void
+zyd_amrr_timeout(void *arg)
+{
+ struct zyd_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ ZYD_LOCK(sc);
+ if (ic->ic_opmode == IEEE80211_M_STA)
+ zyd_iter_func(sc, ic->ic_bss);
+ else
+ ieee80211_iterate_nodes(&ic->ic_sta, zyd_iter_func, sc);
+ ZYD_UNLOCK(sc);
+
+ callout_reset(&sc->sc_amrr_ch, hz, zyd_amrr_timeout, sc);
+}
+
+static void
+zyd_newassoc(struct ieee80211_node *ni, int isnew)
+{
+ struct zyd_softc *sc = ni->ni_ic->ic_ifp->if_softc;
+ int i;
+
+ ieee80211_amrr_node_init(&sc->amrr, &((struct zyd_node *)ni)->amn);
+
+ /* set rate to some reasonable initial value */
+ for (i = ni->ni_rates.rs_nrates - 1;
+ i > 0 && (ni->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) > 72;
+ i--);
+ ni->ni_txrate = i;
+}
+
+static void
+zyd_scan_start(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_ifp->if_softc;
+
+ usb_rem_task(sc->sc_udev, &sc->sc_scantask);
+
+ /* do it in a process context */
+ sc->sc_scan_action = ZYD_SCAN_START;
+ usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER);
+}
+
+static void
+zyd_scan_end(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_ifp->if_softc;
+
+ usb_rem_task(sc->sc_udev, &sc->sc_scantask);
+
+ /* do it in a process context */
+ sc->sc_scan_action = ZYD_SCAN_END;
+ usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER);
+}
+
+static void
+zyd_set_channel(struct ieee80211com *ic)
+{
+ struct zyd_softc *sc = ic->ic_ifp->if_softc;
+
+ usb_rem_task(sc->sc_udev, &sc->sc_scantask);
+
+ /* do it in a process context */
+ sc->sc_scan_action = ZYD_SET_CHANNEL;
+ usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER);
+}
+
+static void
+zyd_scantask(void *arg)
+{
+ struct zyd_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ifnet *ifp = ic->ic_ifp;
+
+ ZYD_LOCK(sc);
+
+ switch (sc->sc_scan_action) {
+ case ZYD_SCAN_START:
+ zyd_set_bssid(sc, ifp->if_broadcastaddr);
+ break;
+
+ case ZYD_SCAN_END:
+ zyd_set_bssid(sc, ic->ic_bss->ni_bssid);
+ break;
+
+ case ZYD_SET_CHANNEL:
+ mtx_lock(&Giant);
+ zyd_set_chan(sc, ic->ic_curchan);
+ mtx_unlock(&Giant);
+ break;
+
+ default:
+ device_printf(sc->sc_dev, "unknown scan action %d\n",
+ sc->sc_scan_action);
+ break;
+ }
+
+ ZYD_UNLOCK(sc);
+}
+
+static device_method_t zyd_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, zyd_match),
+ DEVMETHOD(device_attach, zyd_attach),
+ DEVMETHOD(device_detach, zyd_detach),
+
+ { 0, 0 }
+};
+
+static driver_t zyd_driver = {
+ "zyd",
+ zyd_methods,
+ sizeof(struct zyd_softc)
+};
+
+static devclass_t zyd_devclass;
+
+DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, usbd_driver_load, 0);
+MODULE_DEPEND(rum, wlan, 1, 1, 1);
+MODULE_DEPEND(rum, wlan_amrr, 1, 1, 1);
+MODULE_DEPEND(rum, usb, 1, 1, 1);
More information about the Midnightbsd-cvs
mailing list