Add support for RT2500USB devices.
authorSepherosa Ziehau <sephe@dragonflybsd.org>
Sun, 10 Dec 2006 02:53:34 +0000 (02:53 +0000)
committerSepherosa Ziehau <sephe@dragonflybsd.org>
Sun, 10 Dec 2006 02:53:34 +0000 (02:53 +0000)
Thank Damien Bergamini <damien@openbsd.org> for writing this driver.

Obtained-from: FreeBSD

sys/dev/netif/ural/Makefile [new file with mode: 0644]
sys/dev/netif/ural/if_ural.c [new file with mode: 0644]
sys/dev/netif/ural/if_uralreg.h [new file with mode: 0644]
sys/dev/netif/ural/if_uralvar.h [new file with mode: 0644]

diff --git a/sys/dev/netif/ural/Makefile b/sys/dev/netif/ural/Makefile
new file mode 100644 (file)
index 0000000..3d8ee00
--- /dev/null
@@ -0,0 +1,8 @@
+# $DragonFly: src/sys/dev/netif/ural/Makefile,v 1.1 2006/12/10 02:53:34 sephe Exp $
+
+KMOD=  if_ural
+SRCS=  if_ural.c
+SRCS+= device_if.h bus_if.h opt_usb.h
+KMODDEPS= wlan wlan_ratectl_onoe
+
+.include <bsd.kmod.mk>
diff --git a/sys/dev/netif/ural/if_ural.c b/sys/dev/netif/ural/if_ural.c
new file mode 100644 (file)
index 0000000..26f03f5
--- /dev/null
@@ -0,0 +1,2409 @@
+/*     $FreeBSD: src/sys/dev/usb/if_ural.c,v 1.10.2.8 2006/07/08 07:48:43 maxim Exp $  */
+/*     $DragonFly: src/sys/dev/netif/ural/if_ural.c,v 1.1 2006/12/10 02:53:34 sephe Exp $      */
+
+/*-
+ * Copyright (c) 2005, 2006
+ *     Damien Bergamini <damien.bergamini@free.fr>
+ *
+ * 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.
+ */
+
+/*-
+ * Ralink Technology RT2500USB chipset driver
+ * http://www.ralinktech.com/
+ */
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/endian.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/mbuf.h>
+#include <sys/rman.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+
+#include <net/bpf.h>
+#include <net/ethernet.h>
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/ifq_var.h>
+
+#include <netproto/802_11/ieee80211_var.h>
+#include <netproto/802_11/ieee80211_radiotap.h>
+#include <netproto/802_11/wlan_ratectl/onoe/ieee80211_onoe_param.h>
+
+#include <bus/usb/usb.h>
+#include <bus/usb/usbdi.h>
+#include <bus/usb/usbdi_util.h>
+#include <bus/usb/usbdevs.h>
+
+#include "if_uralreg.h"
+#include "if_uralvar.h"
+
+#ifdef USB_DEBUG
+#define DPRINTF(x)     do { if (uraldebug > 0) logprintf x; } while (0)
+#define DPRINTFN(n, x) do { if (uraldebug >= (n)) logprintf x; } while (0)
+int uraldebug = 0;
+SYSCTL_NODE(_hw_usb, OID_AUTO, ural, CTLFLAG_RW, 0, "USB ural");
+SYSCTL_INT(_hw_usb_ural, OID_AUTO, debug, CTLFLAG_RW, &uraldebug, 0,
+    "ural debug level");
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n, x)
+#endif
+
+/* various supported device vendors/products */
+static const struct usb_devno ural_devs[] = {
+       { USB_VENDOR_ASUS,              USB_PRODUCT_ASUS_WL167G },
+       { USB_VENDOR_ASUS,              USB_PRODUCT_RALINK_RT2570 },
+       { USB_VENDOR_BELKIN,            USB_PRODUCT_BELKIN_F5D7050 },
+       { USB_VENDOR_CONCEPTRONIC,      USB_PRODUCT_CONCEPTRONIC_C54U },
+       { USB_VENDOR_DLINK,             USB_PRODUCT_DLINK_DWLG122 },
+       { USB_VENDOR_GIGABYTE,          USB_PRODUCT_GIGABYTE_GNWBKG },
+       { USB_VENDOR_GUILLEMOT,         USB_PRODUCT_GUILLEMOT_HWGUSB254 },
+       { USB_VENDOR_LINKSYS4,          USB_PRODUCT_LINKSYS4_WUSB54G },
+       { USB_VENDOR_LINKSYS4,          USB_PRODUCT_LINKSYS4_WUSB54GP },
+       { USB_VENDOR_LINKSYS4,          USB_PRODUCT_LINKSYS4_HU200TS },
+       { USB_VENDOR_MELCO,             USB_PRODUCT_MELCO_KG54 },
+       { USB_VENDOR_MELCO,             USB_PRODUCT_MELCO_KG54AI },
+       { USB_VENDOR_MELCO,             USB_PRODUCT_MELCO_KG54YB },
+       { USB_VENDOR_MELCO,             USB_PRODUCT_MELCO_NINWIFI },
+       { USB_VENDOR_MSI,               USB_PRODUCT_MSI_RT2570 },
+       { USB_VENDOR_MSI,               USB_PRODUCT_MSI_RT2570_2 },
+       { USB_VENDOR_MSI,               USB_PRODUCT_MSI_RT2570_3 },
+       { USB_VENDOR_RALINK,            USB_PRODUCT_RALINK_RT2570 },
+       { USB_VENDOR_RALINK,            USB_PRODUCT_RALINK_RT2570_2 },
+       { USB_VENDOR_VTECH,             USB_PRODUCT_VTECH_RT2570 },
+       { USB_VENDOR_ZINWELL,           USB_PRODUCT_ZINWELL_RT2570 }
+};
+
+MODULE_DEPEND(ural, wlan, 1, 1, 1);
+
+Static int             ural_alloc_tx_list(struct ural_softc *);
+Static void            ural_free_tx_list(struct ural_softc *);
+Static int             ural_alloc_rx_list(struct ural_softc *);
+Static void            ural_free_rx_list(struct ural_softc *);
+Static int             ural_media_change(struct ifnet *);
+Static void            ural_next_scan(void *);
+Static void            ural_task(void *);
+Static int             ural_newstate(struct ieee80211com *,
+                           enum ieee80211_state, int);
+Static int             ural_rxrate(struct ural_rx_desc *);
+Static void            ural_txeof(usbd_xfer_handle, usbd_private_handle,
+                           usbd_status);
+Static void            ural_rxeof(usbd_xfer_handle, usbd_private_handle,
+                           usbd_status);
+Static int             ural_ack_rate(struct ieee80211com *, int);
+Static uint16_t                ural_txtime(int, int, uint32_t);
+Static uint8_t         ural_plcp_signal(int);
+Static void            ural_setup_tx_desc(struct ural_softc *,
+                           struct ural_tx_desc *, uint32_t, int, int);
+Static int             ural_tx_bcn(struct ural_softc *, struct mbuf *,
+                           struct ieee80211_node *);
+Static int             ural_tx_mgt(struct ural_softc *, struct mbuf *,
+                           struct ieee80211_node *);
+Static int             ural_tx_data(struct ural_softc *, struct mbuf *,
+                           struct ieee80211_node *);
+Static void            ural_start(struct ifnet *);
+Static void            ural_watchdog(struct ifnet *);
+Static int             ural_reset(struct ifnet *);
+Static int             ural_ioctl(struct ifnet *, u_long, caddr_t,
+                           struct ucred *);
+Static void            ural_set_testmode(struct ural_softc *);
+Static void            ural_eeprom_read(struct ural_softc *, uint16_t, void *,
+                           int);
+Static uint16_t                ural_read(struct ural_softc *, uint16_t);
+Static void            ural_read_multi(struct ural_softc *, uint16_t, void *,
+                           int);
+Static void            ural_write(struct ural_softc *, uint16_t, uint16_t);
+Static void            ural_write_multi(struct ural_softc *, uint16_t, void *,
+                           int);
+Static void            ural_bbp_write(struct ural_softc *, uint8_t, uint8_t);
+Static uint8_t         ural_bbp_read(struct ural_softc *, uint8_t);
+Static void            ural_rf_write(struct ural_softc *, uint8_t, uint32_t);
+Static void            ural_set_chan(struct ural_softc *,
+                           struct ieee80211_channel *);
+Static void            ural_disable_rf_tune(struct ural_softc *);
+Static void            ural_enable_tsf_sync(struct ural_softc *);
+Static void            ural_update_slot(struct ifnet *);
+Static void            ural_set_txpreamble(struct ural_softc *);
+Static void            ural_set_basicrates(struct ural_softc *);
+Static void            ural_set_bssid(struct ural_softc *, uint8_t *);
+Static void            ural_set_macaddr(struct ural_softc *, uint8_t *);
+Static void            ural_update_promisc(struct ural_softc *);
+Static const char      *ural_get_rf(int);
+Static void            ural_read_eeprom(struct ural_softc *);
+Static int             ural_bbp_init(struct ural_softc *);
+Static void            ural_set_txantenna(struct ural_softc *, int);
+Static void            ural_set_rxantenna(struct ural_softc *, int);
+Static void            ural_init(void *);
+Static void            ural_stop(struct ural_softc *);
+Static void            ural_stats(struct ieee80211com *,
+                                  struct ieee80211_node *,
+                                  struct ieee80211_ratectl_stats *);
+Static void            ural_stats_update(usbd_xfer_handle,
+                                         usbd_private_handle, usbd_status);
+Static void            ural_stats_timeout(void *);
+Static void            ural_ratectl_change(struct ieee80211com *ic, u_int,
+                                           u_int);
+
+/*
+ * Supported rates for 802.11a/b/g modes (in 500Kbps unit).
+ */
+static const struct ieee80211_rateset ural_rateset_11a =
+       { 8, { 12, 18, 24, 36, 48, 72, 96, 108 } };
+
+static const struct ieee80211_rateset ural_rateset_11b =
+       { 4, { 2, 4, 11, 22 } };
+
+static const struct ieee80211_rateset ural_rateset_11g =
+       { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
+
+/*
+ * Default values for MAC registers; values taken from the reference driver.
+ */
+static const struct {
+       uint16_t        reg;
+       uint16_t        val;
+} ural_def_mac[] = {
+       { RAL_TXRX_CSR5,  0x8c8d },
+       { RAL_TXRX_CSR6,  0x8b8a },
+       { RAL_TXRX_CSR7,  0x8687 },
+       { RAL_TXRX_CSR8,  0x0085 },
+       { RAL_MAC_CSR13,  0x1111 },
+       { RAL_MAC_CSR14,  0x1e11 },
+       { RAL_TXRX_CSR21, 0xe78f },
+       { RAL_MAC_CSR9,   0xff1d },
+       { RAL_MAC_CSR11,  0x0002 },
+       { RAL_MAC_CSR22,  0x0053 },
+       { RAL_MAC_CSR15,  0x0000 },
+       { RAL_MAC_CSR8,   0x0780 },
+       { RAL_TXRX_CSR19, 0x0000 },
+       { RAL_TXRX_CSR18, 0x005a },
+       { RAL_PHY_CSR2,   0x0000 },
+       { RAL_TXRX_CSR0,  0x1ec0 },
+       { RAL_PHY_CSR4,   0x000f }
+};
+
+/*
+ * Default values for BBP registers; values taken from the reference driver.
+ */
+static const struct {
+       uint8_t reg;
+       uint8_t val;
+} ural_def_bbp[] = {
+       {  3, 0x02 },
+       {  4, 0x19 },
+       { 14, 0x1c },
+       { 15, 0x30 },
+       { 16, 0xac },
+       { 17, 0x48 },
+       { 18, 0x18 },
+       { 19, 0xff },
+       { 20, 0x1e },
+       { 21, 0x08 },
+       { 22, 0x08 },
+       { 23, 0x08 },
+       { 24, 0x80 },
+       { 25, 0x50 },
+       { 26, 0x08 },
+       { 27, 0x23 },
+       { 30, 0x10 },
+       { 31, 0x2b },
+       { 32, 0xb9 },
+       { 34, 0x12 },
+       { 35, 0x50 },
+       { 39, 0xc4 },
+       { 40, 0x02 },
+       { 41, 0x60 },
+       { 53, 0x10 },
+       { 54, 0x18 },
+       { 56, 0x08 },
+       { 57, 0x10 },
+       { 58, 0x08 },
+       { 61, 0x60 },
+       { 62, 0x10 },
+       { 75, 0xff }
+};
+
+/*
+ * Default values for RF register R2 indexed by channel numbers.
+ */
+static const uint32_t ural_rf2522_r2[] = {
+       0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814,
+       0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e
+};
+
+static const uint32_t ural_rf2523_r2[] = {
+       0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d,
+       0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346
+};
+
+static const uint32_t ural_rf2524_r2[] = {
+       0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d,
+       0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346
+};
+
+static const uint32_t ural_rf2525_r2[] = {
+       0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d,
+       0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346
+};
+
+static const uint32_t ural_rf2525_hi_r2[] = {
+       0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345,
+       0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e
+};
+
+static const uint32_t ural_rf2525e_r2[] = {
+       0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463,
+       0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b
+};
+
+static const uint32_t ural_rf2526_hi_r2[] = {
+       0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d,
+       0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241
+};
+
+static const uint32_t ural_rf2526_r2[] = {
+       0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229,
+       0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d
+};
+
+/*
+ * For dual-band RF, RF registers R1 and R4 also depend on channel number;
+ * values taken from the reference driver.
+ */
+static const struct {
+       uint8_t         chan;
+       uint32_t        r1;
+       uint32_t        r2;
+       uint32_t        r4;
+} ural_rf5222[] = {
+       {   1, 0x08808, 0x0044d, 0x00282 },
+       {   2, 0x08808, 0x0044e, 0x00282 },
+       {   3, 0x08808, 0x0044f, 0x00282 },
+       {   4, 0x08808, 0x00460, 0x00282 },
+       {   5, 0x08808, 0x00461, 0x00282 },
+       {   6, 0x08808, 0x00462, 0x00282 },
+       {   7, 0x08808, 0x00463, 0x00282 },
+       {   8, 0x08808, 0x00464, 0x00282 },
+       {   9, 0x08808, 0x00465, 0x00282 },
+       {  10, 0x08808, 0x00466, 0x00282 },
+       {  11, 0x08808, 0x00467, 0x00282 },
+       {  12, 0x08808, 0x00468, 0x00282 },
+       {  13, 0x08808, 0x00469, 0x00282 },
+       {  14, 0x08808, 0x0046b, 0x00286 },
+
+       {  36, 0x08804, 0x06225, 0x00287 },
+       {  40, 0x08804, 0x06226, 0x00287 },
+       {  44, 0x08804, 0x06227, 0x00287 },
+       {  48, 0x08804, 0x06228, 0x00287 },
+       {  52, 0x08804, 0x06229, 0x00287 },
+       {  56, 0x08804, 0x0622a, 0x00287 },
+       {  60, 0x08804, 0x0622b, 0x00287 },
+       {  64, 0x08804, 0x0622c, 0x00287 },
+
+       { 100, 0x08804, 0x02200, 0x00283 },
+       { 104, 0x08804, 0x02201, 0x00283 },
+       { 108, 0x08804, 0x02202, 0x00283 },
+       { 112, 0x08804, 0x02203, 0x00283 },
+       { 116, 0x08804, 0x02204, 0x00283 },
+       { 120, 0x08804, 0x02205, 0x00283 },
+       { 124, 0x08804, 0x02206, 0x00283 },
+       { 128, 0x08804, 0x02207, 0x00283 },
+       { 132, 0x08804, 0x02208, 0x00283 },
+       { 136, 0x08804, 0x02209, 0x00283 },
+       { 140, 0x08804, 0x0220a, 0x00283 },
+
+       { 149, 0x08808, 0x02429, 0x00281 },
+       { 153, 0x08808, 0x0242b, 0x00281 },
+       { 157, 0x08808, 0x0242d, 0x00281 },
+       { 161, 0x08808, 0x0242f, 0x00281 }
+};
+
+USB_DECLARE_DRIVER(ural);
+
+USB_MATCH(ural)
+{
+       USB_MATCH_START(ural, uaa);
+
+       if (uaa->iface != NULL)
+               return UMATCH_NONE;
+
+       return (usb_lookup(ural_devs, uaa->vendor, uaa->product) != NULL) ?
+           UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
+}
+
+USB_ATTACH(ural)
+{
+       USB_ATTACH_START(ural, sc, uaa);
+       struct ifnet *ifp;
+       struct ieee80211com *ic = &sc->sc_ic;
+       usb_interface_descriptor_t *id;
+       usb_endpoint_descriptor_t *ed;
+       usbd_status error;
+       char devinfo[1024];
+       int i;
+
+       sc->sc_udev = uaa->device;
+       sc->sc_tx_retries = 7;  /* TODO tunable/sysctl */
+
+       usbd_devinfo(sc->sc_udev, 0, devinfo);
+       USB_ATTACH_SETUP;
+
+       if (usbd_set_config_no(sc->sc_udev, RAL_CONFIG_NO, 0) != 0) {
+               printf("%s: could not set configuration no\n",
+                   USBDEVNAME(sc->sc_dev));
+               USB_ATTACH_ERROR_RETURN;
+       }
+
+       /* get the first interface handle */
+       error = usbd_device2interface_handle(sc->sc_udev, RAL_IFACE_INDEX,
+           &sc->sc_iface);
+       if (error != 0) {
+               printf("%s: could not get interface handle\n",
+                   USBDEVNAME(sc->sc_dev));
+               USB_ATTACH_ERROR_RETURN;
+       }
+
+       /*
+        * Find endpoints.
+        */
+       id = usbd_get_interface_descriptor(sc->sc_iface);
+
+       sc->sc_rx_no = sc->sc_tx_no = -1;
+       for (i = 0; i < id->bNumEndpoints; i++) {
+               ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
+               if (ed == NULL) {
+                       printf("%s: no endpoint descriptor for %d\n",
+                           USBDEVNAME(sc->sc_dev), i);
+                       USB_ATTACH_ERROR_RETURN;
+               }
+
+               if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+                   UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
+                       sc->sc_rx_no = ed->bEndpointAddress;
+               else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+                   UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
+                       sc->sc_tx_no = ed->bEndpointAddress;
+       }
+       if (sc->sc_rx_no == -1 || sc->sc_tx_no == -1) {
+               printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev));
+               USB_ATTACH_ERROR_RETURN;
+       }
+
+#if 0
+       mtx_init(&sc->sc_mtx, USBDEVNAME(sc->sc_dev), MTX_NETWORK_LOCK,
+           MTX_DEF | MTX_RECURSE);
+#endif
+
+       usb_init_task(&sc->sc_task, ural_task, sc);
+       callout_init(&sc->scan_ch);
+       callout_init(&sc->stats_ch);
+
+       /* retrieve RT2570 rev. no */
+       sc->asic_rev = ural_read(sc, RAL_MAC_CSR0);
+
+       /* retrieve MAC address and various other things from EEPROM */
+       ural_read_eeprom(sc);
+
+       printf("%s: MAC/BBP RT2570 (rev 0x%02x), RF %s\n",
+           USBDEVNAME(sc->sc_dev), sc->asic_rev, ural_get_rf(sc->rf_rev));
+
+       ifp = &ic->ic_if;
+       ifp->if_softc = sc;
+       if_initname(ifp, "ural", USBDEVUNIT(sc->sc_dev));
+       ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+       ifp->if_init = ural_init;
+       ifp->if_ioctl = ural_ioctl;
+       ifp->if_start = ural_start;
+       ifp->if_watchdog = ural_watchdog;
+       ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
+       ifq_set_ready(&ifp->if_snd);
+
+       ic->ic_ratectl.rc_st_ratectl_cap = IEEE80211_RATECTL_CAP_ONOE;
+       ic->ic_ratectl.rc_st_ratectl = IEEE80211_RATECTL_ONOE;
+       ic->ic_ratectl.rc_st_valid_stats =
+               IEEE80211_RATECTL_STATS_PKT_NORETRY |
+               IEEE80211_RATECTL_STATS_PKT_OK |
+               IEEE80211_RATECTL_STATS_PKT_ERR |
+               IEEE80211_RATECTL_STATS_RETRIES;
+       ic->ic_ratectl.rc_st_stats = ural_stats;
+       ic->ic_ratectl.rc_st_change = ural_ratectl_change;
+
+       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_IBSS |          /* IBSS mode supported */
+           IEEE80211_C_MONITOR |       /* monitor mode supported */
+           IEEE80211_C_HOSTAP |        /* HostAp mode supported */
+           IEEE80211_C_TXPMGT |        /* tx power management */
+           IEEE80211_C_SHPREAMBLE |    /* short preamble supported */
+           IEEE80211_C_SHSLOT |        /* short slot time supported */
+           IEEE80211_C_WPA;            /* 802.11i */
+
+       if (sc->rf_rev == RAL_RF_5222) {
+               /* set supported .11a rates */
+               ic->ic_sup_rates[IEEE80211_MODE_11A] = ural_rateset_11a;
+
+               /* set supported .11a channels */
+               for (i = 36; i <= 64; i += 4) {
+                       ic->ic_channels[i].ic_freq =
+                           ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
+                       ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
+               }
+               for (i = 100; i <= 140; i += 4) {
+                       ic->ic_channels[i].ic_freq =
+                           ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
+                       ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
+               }
+               for (i = 149; i <= 161; i += 4) {
+                       ic->ic_channels[i].ic_freq =
+                           ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
+                       ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
+               }
+       }
+
+       /* set supported .11b and .11g rates */
+       ic->ic_sup_rates[IEEE80211_MODE_11B] = ural_rateset_11b;
+       ic->ic_sup_rates[IEEE80211_MODE_11G] = ural_rateset_11g;
+
+       /* set supported .11b and .11g channels (1 through 14) */
+       for (i = 1; i <= 14; i++) {
+               ic->ic_channels[i].ic_freq =
+                   ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
+               ic->ic_channels[i].ic_flags =
+                   IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
+                   IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
+       }
+
+       ieee80211_ifattach(ic);
+       ic->ic_reset = ural_reset;
+       /* enable s/w bmiss handling in sta mode */
+       ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
+
+       /* override state transition machine */
+       sc->sc_newstate = ic->ic_newstate;
+       ic->ic_newstate = ural_newstate;
+       ieee80211_media_init(ic, ural_media_change, ieee80211_media_status);
+
+       bpfattach_dlt(ifp, DLT_IEEE802_11_RADIO,
+           sizeof(struct ieee80211_frame) + 64, &sc->sc_drvbpf);
+
+       sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
+       sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
+       sc->sc_rxtap.wr_ihdr.it_present = htole32(RAL_RX_RADIOTAP_PRESENT);
+
+       sc->sc_txtap_len = sizeof sc->sc_txtapu;
+       sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
+       sc->sc_txtap.wt_ihdr.it_present = htole32(RAL_TX_RADIOTAP_PRESENT);
+
+       if (bootverbose)
+               ieee80211_announce(ic);
+
+       USB_ATTACH_SUCCESS_RETURN;
+}
+
+USB_DETACH(ural)
+{
+       USB_DETACH_START(ural, sc);
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       callout_stop(&sc->scan_ch);
+       callout_stop(&sc->stats_ch);
+
+       sc->sc_flags |= URAL_FLAG_SYNCTASK;
+       ural_stop(sc);
+
+       lwkt_serialize_exit(ifp->if_serializer);
+
+       usb_rem_task(sc->sc_udev, &sc->sc_task);
+
+       if (sc->stats_xfer != NULL) {
+               usbd_free_xfer(sc->stats_xfer);
+               sc->stats_xfer = NULL;
+       }
+
+       if (sc->sc_rx_pipeh != NULL) {
+               usbd_abort_pipe(sc->sc_rx_pipeh);
+               usbd_close_pipe(sc->sc_rx_pipeh);
+       }
+
+       if (sc->sc_tx_pipeh != NULL) {
+               usbd_abort_pipe(sc->sc_tx_pipeh);
+               usbd_close_pipe(sc->sc_tx_pipeh);
+       }
+
+       ural_free_rx_list(sc);
+       ural_free_tx_list(sc);
+
+       bpfdetach(ifp);
+       ieee80211_ifdetach(ic);
+
+#if 0
+       mtx_destroy(&sc->sc_mtx);
+#endif
+
+       return 0;
+}
+
+Static int
+ural_alloc_tx_list(struct ural_softc *sc)
+{
+       struct ural_tx_data *data;
+       int i, error;
+
+       sc->tx_queued = 0;
+
+       for (i = 0; i < RAL_TX_LIST_COUNT; i++) {
+               data = &sc->tx_data[i];
+
+               data->sc = sc;
+
+               data->xfer = usbd_alloc_xfer(sc->sc_udev);
+               if (data->xfer == NULL) {
+                       printf("%s: could not allocate tx xfer\n",
+                           USBDEVNAME(sc->sc_dev));
+                       error = ENOMEM;
+                       goto fail;
+               }
+
+               data->buf = usbd_alloc_buffer(data->xfer,
+                   RAL_TX_DESC_SIZE + MCLBYTES);
+               if (data->buf == NULL) {
+                       printf("%s: could not allocate tx buffer\n",
+                           USBDEVNAME(sc->sc_dev));
+                       error = ENOMEM;
+                       goto fail;
+               }
+       }
+
+       return 0;
+
+fail:  ural_free_tx_list(sc);
+       return error;
+}
+
+Static void
+ural_free_tx_list(struct ural_softc *sc)
+{
+       struct ural_tx_data *data;
+       int i;
+
+       for (i = 0; i < RAL_TX_LIST_COUNT; i++) {
+               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
+ural_alloc_rx_list(struct ural_softc *sc)
+{
+       struct ural_rx_data *data;
+       int i, error;
+
+       for (i = 0; i < RAL_RX_LIST_COUNT; i++) {
+               data = &sc->rx_data[i];
+
+               data->sc = sc;
+
+               data->xfer = usbd_alloc_xfer(sc->sc_udev);
+               if (data->xfer == NULL) {
+                       printf("%s: could not allocate rx xfer\n",
+                           USBDEVNAME(sc->sc_dev));
+                       error = ENOMEM;
+                       goto fail;
+               }
+
+               if (usbd_alloc_buffer(data->xfer, MCLBYTES) == NULL) {
+                       printf("%s: could not allocate rx buffer\n",
+                           USBDEVNAME(sc->sc_dev));
+                       error = ENOMEM;
+                       goto fail;
+               }
+
+               data->m = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
+               if (data->m == NULL) {
+                       printf("%s: could not allocate rx mbuf\n",
+                           USBDEVNAME(sc->sc_dev));
+                       error = ENOMEM;
+                       goto fail;
+               }
+
+               data->buf = mtod(data->m, uint8_t *);
+       }
+
+       return 0;
+
+fail:  ural_free_tx_list(sc);
+       return error;
+}
+
+Static void
+ural_free_rx_list(struct ural_softc *sc)
+{
+       struct ural_rx_data *data;
+       int i;
+
+       for (i = 0; i < RAL_RX_LIST_COUNT; i++) {
+               data = &sc->rx_data[i];
+
+               if (data->xfer != NULL) {
+                       usbd_free_xfer(data->xfer);
+                       data->xfer = NULL;
+               }
+
+               if (data->m != NULL) {
+                       m_freem(data->m);
+                       data->m = NULL;
+               }
+       }
+}
+
+Static int
+ural_media_change(struct ifnet *ifp)
+{
+       struct ural_softc *sc = ifp->if_softc;
+       int error;
+
+       error = ieee80211_media_change(ifp);
+       if (error != ENETRESET)
+               return error;
+
+       if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
+               ural_init(sc);
+
+       return 0;
+}
+
+/*
+ * This function is called periodically (every 200ms) during scanning to
+ * switch from one channel to another.
+ */
+Static void
+ural_next_scan(void *arg)
+{
+       struct ural_softc *sc = arg;
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       if (ic->ic_state == IEEE80211_S_SCAN)
+               ieee80211_next_scan(ic);
+
+       lwkt_serialize_exit(ifp->if_serializer);
+}
+
+Static void
+ural_task(void *arg)
+{
+       struct ural_softc *sc = arg;
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+       enum ieee80211_state ostate;
+       struct ieee80211_node *ni;
+       struct mbuf *m;
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       ieee80211_ratectl_newstate(ic, sc->sc_state);
+
+       ostate = ic->ic_state;
+
+       switch (sc->sc_state) {
+       case IEEE80211_S_INIT:
+               if (ostate == IEEE80211_S_RUN) {
+                       /* abort TSF synchronization */
+                       ural_write(sc, RAL_TXRX_CSR19, 0);
+
+                       /* force tx led to stop blinking */
+                       ural_write(sc, RAL_MAC_CSR20, 0);
+               }
+               break;
+
+       case IEEE80211_S_SCAN:
+               ural_set_chan(sc, ic->ic_curchan);
+               callout_reset(&sc->scan_ch, hz / 5, ural_next_scan, sc);
+               break;
+
+       case IEEE80211_S_AUTH:
+               ural_set_chan(sc, ic->ic_curchan);
+               break;
+
+       case IEEE80211_S_ASSOC:
+               ural_set_chan(sc, ic->ic_curchan);
+               break;
+
+       case IEEE80211_S_RUN:
+               ural_set_chan(sc, ic->ic_curchan);
+
+               ni = ic->ic_bss;
+
+               lwkt_serialize_exit(ifp->if_serializer);
+
+               if (ic->ic_opmode != IEEE80211_M_MONITOR) {
+                       ural_update_slot(&ic->ic_if);
+                       ural_set_txpreamble(sc);
+                       ural_set_basicrates(sc);
+                       ural_set_bssid(sc, ni->ni_bssid);
+               }
+
+               if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
+                   ic->ic_opmode == IEEE80211_M_IBSS) {
+                       m = ieee80211_beacon_alloc(ic, ni, &sc->sc_bo);
+                       if (m == NULL) {
+                               printf("%s: could not allocate beacon\n",
+                                   USBDEVNAME(sc->sc_dev));
+                               return;
+                       }
+
+                       if (ural_tx_bcn(sc, m, ni) != 0) {
+                               printf("%s: could not send beacon\n",
+                                   USBDEVNAME(sc->sc_dev));
+                               return;
+                       }
+               }
+
+               /* make tx led blink on tx (controlled by ASIC) */
+               ural_write(sc, RAL_MAC_CSR20, 1);
+
+               if (ic->ic_opmode != IEEE80211_M_MONITOR)
+                       ural_enable_tsf_sync(sc);
+
+               /* clear statistic registers (STA_CSR0 to STA_CSR10) */
+               ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof(sc->sta));
+
+               lwkt_serialize_enter(ifp->if_serializer);
+
+               callout_reset(&sc->stats_ch, 4 * hz / 5,
+                             ural_stats_timeout, sc);
+
+               break;
+       }
+
+       sc->sc_newstate(ic, sc->sc_state, -1);
+
+       lwkt_serialize_exit(ifp->if_serializer);
+}
+
+Static int
+ural_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
+{
+       struct ifnet *ifp = &ic->ic_if;
+       struct ural_softc *sc = ifp->if_softc;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       callout_stop(&sc->scan_ch);
+       callout_stop(&sc->stats_ch);
+
+       /* do it in a process context */
+       sc->sc_state = nstate;
+
+       lwkt_serialize_exit(ifp->if_serializer);
+       usb_rem_task(sc->sc_udev, &sc->sc_task);
+
+       if (sc->sc_flags & URAL_FLAG_SYNCTASK) {
+               usb_do_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER,
+                           USBD_NO_TIMEOUT);
+       } else {
+               usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER);
+       }
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       return 0;
+}
+
+/* quickly determine if a given rate is CCK or OFDM */
+#define RAL_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
+
+#define RAL_ACK_SIZE   14      /* 10 + 4(FCS) */
+#define RAL_CTS_SIZE   14      /* 10 + 4(FCS) */
+
+#define RAL_SIFS               10      /* us */
+
+#define RAL_RXTX_TURNAROUND    5       /* us */
+
+/*
+ * This function is only used by the Rx radiotap code.
+ */
+Static int
+ural_rxrate(struct ural_rx_desc *desc)
+{
+       if (le32toh(desc->flags) & RAL_RX_OFDM) {
+               /* reverse function of ural_plcp_signal */
+               switch (desc->rate) {
+               case 0xb:       return 12;
+               case 0xf:       return 18;
+               case 0xa:       return 24;
+               case 0xe:       return 36;
+               case 0x9:       return 48;
+               case 0xd:       return 72;
+               case 0x8:       return 96;
+               case 0xc:       return 108;
+               }
+       } else {
+               if (desc->rate == 10)
+                       return 2;
+               if (desc->rate == 20)
+                       return 4;
+               if (desc->rate == 55)
+                       return 11;
+               if (desc->rate == 110)
+                       return 22;
+       }
+       return 2;       /* should not get there */
+}
+
+Static void
+ural_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+       struct ural_tx_data *data = priv;
+       struct ural_softc *sc = data->sc;
+       struct ifnet *ifp = &sc->sc_ic.ic_if;
+
+       if (status != USBD_NORMAL_COMPLETION) {
+               if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
+                       return;
+
+               printf("%s: could not transmit buffer: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(status));
+
+               if (status == USBD_STALLED)
+                       usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh);
+
+               ifp->if_oerrors++;
+               return;
+       }
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       m_freem(data->m);
+       data->m = NULL;
+       ieee80211_free_node(data->ni);
+       data->ni = NULL;
+
+       sc->tx_queued--;
+       ifp->if_opackets++;
+
+       DPRINTFN(10, ("tx done\n"));
+
+       sc->sc_tx_timer = 0;
+       ifp->if_flags &= ~IFF_OACTIVE;
+       ural_start(ifp);
+
+       lwkt_serialize_exit(ifp->if_serializer);
+}
+
+Static void
+ural_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+       struct ural_rx_data *data = priv;
+       struct ural_softc *sc = data->sc;
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+       struct ural_rx_desc *desc;
+       struct ieee80211_frame *wh;
+       struct ieee80211_node *ni;
+       struct mbuf *mnew, *m;
+       int len;
+
+       if (status != USBD_NORMAL_COMPLETION) {
+               if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
+                       return;
+
+               if (status == USBD_STALLED)
+                       usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh);
+               goto skip;
+       }
+
+       usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
+
+       if (len < RAL_RX_DESC_SIZE + IEEE80211_MIN_LEN) {
+               DPRINTF(("%s: xfer too short %d\n", USBDEVNAME(sc->sc_dev),
+                   len));
+               ifp->if_ierrors++;
+               goto skip;
+       }
+
+       /* rx descriptor is located at the end */
+       desc = (struct ural_rx_desc *)(data->buf + len - RAL_RX_DESC_SIZE);
+
+       if ((le32toh(desc->flags) & RAL_RX_PHY_ERROR) ||
+           (le32toh(desc->flags) & RAL_RX_CRC_ERROR)) {
+               /*
+                * This should not happen since we did not request to receive
+                * those frames when we filled RAL_TXRX_CSR2.
+                */
+               DPRINTFN(5, ("PHY or CRC error\n"));
+               ifp->if_ierrors++;
+               goto skip;
+       }
+
+       mnew = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
+       if (mnew == NULL) {
+               ifp->if_ierrors++;
+               goto skip;
+       }
+
+       m = data->m;
+       data->m = mnew;
+       data->buf = mtod(data->m, uint8_t *);
+
+       /* finalize mbuf */
+       m->m_pkthdr.rcvif = ifp;
+       m->m_pkthdr.len = m->m_len = (le32toh(desc->flags) >> 16) & 0xfff;
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       if (sc->sc_drvbpf != NULL) {
+               struct ural_rx_radiotap_header *tap = &sc->sc_rxtap;
+
+               tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; /* h/w leaves FCS */
+               tap->wr_rate = ural_rxrate(desc);
+               tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq);
+               tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
+               tap->wr_antenna = sc->rx_ant;
+               tap->wr_antsignal = desc->rssi;
+
+               bpf_ptap(sc->sc_drvbpf, m, tap, sc->sc_rxtap_len);
+       }
+
+       /* trim CRC here so WEP can find its own CRC at the end of packet. */
+       m_adj(m, -IEEE80211_CRC_LEN);
+
+       wh = mtod(m, struct ieee80211_frame *);
+       ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
+
+       /* send the frame to the 802.11 layer */
+       ieee80211_input(ic, m, ni, desc->rssi, 0);
+
+       /* node is no longer needed */
+       ieee80211_free_node(ni);
+
+       DPRINTFN(15, ("rx done\n"));
+
+       lwkt_serialize_exit(ifp->if_serializer);
+
+skip:  /* setup a new transfer */
+       usbd_setup_xfer(xfer, sc->sc_rx_pipeh, data, data->buf, MCLBYTES,
+           USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, ural_rxeof);
+       usbd_transfer(xfer);
+}
+
+/*
+ * Return the expected ack rate for a frame transmitted at rate `rate'.
+ * XXX: this should depend on the destination node basic rate set.
+ */
+Static int
+ural_ack_rate(struct ieee80211com *ic, int rate)
+{
+       switch (rate) {
+       /* CCK rates */
+       case 2:
+               return 2;
+       case 4:
+       case 11:
+       case 22:
+               return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
+
+       /* OFDM rates */
+       case 12:
+       case 18:
+               return 12;
+       case 24:
+       case 36:
+               return 24;
+       case 48:
+       case 72:
+       case 96:
+       case 108:
+               return 48;
+       }
+
+       /* default to 1Mbps */
+       return 2;
+}
+
+/*
+ * Compute the duration (in us) needed to transmit `len' bytes at rate `rate'.
+ * The function automatically determines the operating mode depending on the
+ * given rate. `flags' indicates whether short preamble is in use or not.
+ */
+Static uint16_t
+ural_txtime(int len, int rate, uint32_t flags)
+{
+       uint16_t txtime;
+
+       if (RAL_RATE_IS_OFDM(rate)) {
+               /* IEEE Std 802.11a-1999, pp. 37 */
+               txtime = (8 + 4 * len + 3 + rate - 1) / rate;
+               txtime = 16 + 4 + 4 * txtime + 6;
+       } else {
+               /* IEEE Std 802.11b-1999, pp. 28 */
+               txtime = (16 * len + rate - 1) / rate;
+               if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
+                       txtime +=  72 + 24;
+               else
+                       txtime += 144 + 48;
+       }
+       return txtime;
+}
+
+Static uint8_t
+ural_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
+ural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc,
+    uint32_t flags, int len, int rate)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       uint16_t plcp_length;
+       int remainder;
+
+       desc->flags = htole32(flags);
+       desc->flags |= htole32(RAL_TX_NEWSEQ);
+       desc->flags |= htole32(len << 16);
+
+       desc->wme = htole16(RAL_AIFSN(2) | RAL_LOGCWMIN(3) | RAL_LOGCWMAX(5));
+       desc->wme |= htole16(RAL_IVOFFSET(sizeof (struct ieee80211_frame)));
+
+       /* setup PLCP fields */
+       desc->plcp_signal  = ural_plcp_signal(rate);
+       desc->plcp_service = 4;
+
+       len += IEEE80211_CRC_LEN;
+       if (RAL_RATE_IS_OFDM(rate)) {
+               desc->flags |= htole32(RAL_TX_OFDM);
+
+               plcp_length = len & 0xfff;
+               desc->plcp_length_hi = plcp_length >> 6;
+               desc->plcp_length_lo = plcp_length & 0x3f;
+       } else {
+               plcp_length = (16 * len + rate - 1) / rate;
+               if (rate == 22) {
+                       remainder = (16 * len) % 22;
+                       if (remainder != 0 && remainder < 7)
+                               desc->plcp_service |= RAL_PLCP_LENGEXT;
+               }
+               desc->plcp_length_hi = plcp_length >> 8;
+               desc->plcp_length_lo = plcp_length & 0xff;
+
+               if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
+                       desc->plcp_signal |= 0x08;
+       }
+
+       desc->iv = 0;
+       desc->eiv = 0;
+}
+
+#define RAL_TX_TIMEOUT 5000
+
+Static int
+ural_tx_bcn(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
+{
+       struct ural_tx_desc *desc;
+       usbd_xfer_handle xfer;
+       uint8_t cmd = 0;
+       usbd_status error;
+       uint8_t *buf;
+       int xferlen, rate;
+
+       rate = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? 12 : 2;
+
+       xfer = usbd_alloc_xfer(sc->sc_udev);
+       if (xfer == NULL)
+               return ENOMEM;
+
+       /* xfer length needs to be a multiple of two! */
+       xferlen = (RAL_TX_DESC_SIZE + m0->m_pkthdr.len + 1) & ~1;
+
+       buf = usbd_alloc_buffer(xfer, xferlen);
+       if (buf == NULL) {
+               usbd_free_xfer(xfer);
+               return ENOMEM;
+       }
+
+       usbd_setup_xfer(xfer, sc->sc_tx_pipeh, NULL, &cmd, sizeof cmd,
+           USBD_FORCE_SHORT_XFER, RAL_TX_TIMEOUT, NULL);
+
+       error = usbd_sync_transfer(xfer);
+       if (error != 0) {
+               usbd_free_xfer(xfer);
+               return error;
+       }
+
+       desc = (struct ural_tx_desc *)buf;
+
+       m_copydata(m0, 0, m0->m_pkthdr.len, buf + RAL_TX_DESC_SIZE);
+       ural_setup_tx_desc(sc, desc, RAL_TX_IFS_NEWBACKOFF | RAL_TX_TIMESTAMP,
+           m0->m_pkthdr.len, rate);
+
+       DPRINTFN(10, ("sending beacon frame len=%u rate=%u xfer len=%u\n",
+           m0->m_pkthdr.len, rate, xferlen));
+
+       usbd_setup_xfer(xfer, sc->sc_tx_pipeh, NULL, buf, xferlen,
+           USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RAL_TX_TIMEOUT, NULL);
+
+       error = usbd_sync_transfer(xfer);
+       usbd_free_xfer(xfer);
+
+       return error;
+}
+
+Static int
+ural_tx_mgt(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ural_tx_desc *desc;
+       struct ural_tx_data *data;
+       struct ieee80211_frame *wh;
+       uint32_t flags = 0;
+       uint16_t dur;
+       usbd_status error;
+       int xferlen, rate;
+
+       data = &sc->tx_data[0];
+       desc = (struct ural_tx_desc *)data->buf;
+
+       rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
+
+       data->m = m0;
+       data->ni = ni;
+
+       wh = mtod(m0, struct ieee80211_frame *);
+
+       if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+               flags |= RAL_TX_ACK;
+
+               dur = ural_txtime(RAL_ACK_SIZE, rate, ic->ic_flags) + RAL_SIFS;
+               *(uint16_t *)wh->i_dur = htole16(dur);
+
+               /* tell hardware to add timestamp for probe responses */
+               if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
+                   IEEE80211_FC0_TYPE_MGT &&
+                   (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
+                   IEEE80211_FC0_SUBTYPE_PROBE_RESP)
+                       flags |= RAL_TX_TIMESTAMP;
+       }
+
+       if (sc->sc_drvbpf != NULL) {
+               struct ural_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);
+               tap->wt_antenna = sc->tx_ant;
+
+               bpf_ptap(sc->sc_drvbpf, m0, tap, sc->sc_txtap_len);
+       }
+
+       m_copydata(m0, 0, m0->m_pkthdr.len, data->buf + RAL_TX_DESC_SIZE);
+       ural_setup_tx_desc(sc, desc, flags, m0->m_pkthdr.len, rate);
+
+       /* align end on a 2-bytes boundary */
+       xferlen = (RAL_TX_DESC_SIZE + m0->m_pkthdr.len + 1) & ~1;
+
+       /*
+        * No space left in the last URB to store the extra 2 bytes, force
+        * sending of another URB.
+        */
+       if ((xferlen % 64) == 0)
+               xferlen += 2;
+
+       DPRINTFN(10, ("sending mgt frame len=%u rate=%u xfer len=%u\n",
+           m0->m_pkthdr.len, rate, xferlen));
+
+       usbd_setup_xfer(data->xfer, sc->sc_tx_pipeh, data, data->buf,
+           xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RAL_TX_TIMEOUT,
+           ural_txeof);
+
+       error = usbd_transfer(data->xfer);
+       if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS)
+               return error;
+
+       sc->tx_queued++;
+
+       return 0;
+}
+
+Static int
+ural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ural_tx_desc *desc;
+       struct ural_tx_data *data;
+       struct ieee80211_frame *wh;
+       struct ieee80211_key *k;
+       uint32_t flags = 0;
+       uint16_t dur;
+       usbd_status error;
+       int xferlen, rate, rate_idx;
+
+       wh = mtod(m0, struct ieee80211_frame *);
+
+       ieee80211_ratectl_findrate(ni, m0->m_pkthdr.len, &rate_idx, 1);
+       rate = IEEE80211_RS_RATE(&ni->ni_rates, rate_idx);
+
+       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 = &sc->tx_data[0];
+       desc = (struct ural_tx_desc *)data->buf;
+
+       data->m = m0;
+       data->ni = ni;
+
+       if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+               flags |= RAL_TX_ACK;
+               flags |= RAL_TX_RETRY(sc->sc_tx_retries);
+
+               dur = ural_txtime(RAL_ACK_SIZE, ural_ack_rate(ic, rate),
+                   ic->ic_flags) + RAL_SIFS;
+               *(uint16_t *)wh->i_dur = htole16(dur);
+       }
+
+       if (sc->sc_drvbpf != NULL) {
+               struct ural_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);
+               tap->wt_antenna = sc->tx_ant;
+
+               bpf_ptap(sc->sc_drvbpf, m0, tap, sc->sc_txtap_len);
+       }
+
+       m_copydata(m0, 0, m0->m_pkthdr.len, data->buf + RAL_TX_DESC_SIZE);
+       ural_setup_tx_desc(sc, desc, flags, m0->m_pkthdr.len, rate);
+
+       /* align end on a 2-bytes boundary */
+       xferlen = (RAL_TX_DESC_SIZE + m0->m_pkthdr.len + 1) & ~1;
+
+       /*
+        * No space left in the last URB to store the extra 2 bytes, force
+        * sending of another URB.
+        */
+       if ((xferlen % 64) == 0)
+               xferlen += 2;
+
+       DPRINTFN(10, ("sending data frame len=%u rate=%u xfer len=%u\n",
+           m0->m_pkthdr.len, rate, xferlen));
+
+       usbd_setup_xfer(data->xfer, sc->sc_tx_pipeh, data, data->buf,
+           xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RAL_TX_TIMEOUT,
+           ural_txeof);
+
+       error = usbd_transfer(data->xfer);
+       if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS)
+               return error;
+
+       sc->tx_queued++;
+
+       return 0;
+}
+
+Static void
+ural_start(struct ifnet *ifp)
+{
+       struct ural_softc *sc = ifp->if_softc;
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct mbuf *m0;
+       struct ether_header *eh;
+       struct ieee80211_node *ni;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       if ((ifp->if_flags & (IFF_OACTIVE | IFF_RUNNING)) != IFF_RUNNING)
+               return;
+
+       for (;;) {
+               if (!IF_QEMPTY(&ic->ic_mgtq)) {
+                       if (sc->tx_queued >= RAL_TX_LIST_COUNT) {
+                               ifp->if_flags |= IFF_OACTIVE;
+                               break;
+                       }
+                       IF_DEQUEUE(&ic->ic_mgtq, m0);
+
+                       ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif;
+                       m0->m_pkthdr.rcvif = NULL;
+
+                       if (ic->ic_rawbpf != NULL)
+                               bpf_mtap(ic->ic_rawbpf, m0);
+
+                       if (ural_tx_mgt(sc, m0, ni) != 0)
+                               break;
+
+               } else {
+                       if (ic->ic_state != IEEE80211_S_RUN)
+                               break;
+                       m0 = ifq_poll(&ifp->if_snd);
+                       if (m0 == NULL)
+                               break;
+                       if (sc->tx_queued >= RAL_TX_LIST_COUNT) {
+                               ifp->if_flags |= IFF_OACTIVE;
+                               break;
+                       }
+
+                       ifq_dequeue(&ifp->if_snd, m0);
+
+                       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;
+                       }
+                       BPF_MTAP(ifp, m0);
+
+                       m0 = ieee80211_encap(ic, m0, ni);
+                       if (m0 == NULL) {
+                               ieee80211_free_node(ni);
+                               continue;
+                       }
+
+                       if (ic->ic_rawbpf != NULL)
+                               bpf_mtap(ic->ic_rawbpf, m0);
+
+                       if (ural_tx_data(sc, m0, ni) != 0) {
+                               ieee80211_free_node(ni);
+                               ifp->if_oerrors++;
+                               break;
+                       }
+               }
+
+               sc->sc_tx_timer = 5;
+               ifp->if_timer = 1;
+       }
+}
+
+Static void
+ural_watchdog(struct ifnet *ifp)
+{
+       struct ural_softc *sc = ifp->if_softc;
+       struct ieee80211com *ic = &sc->sc_ic;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       ifp->if_timer = 0;
+
+       if (sc->sc_tx_timer > 0) {
+               if (--sc->sc_tx_timer == 0) {
+                       device_printf(sc->sc_dev, "device timeout\n");
+                       /*ural_init(sc); XXX needs a process context! */
+                       ifp->if_oerrors++;
+                       return;
+               }
+               ifp->if_timer = 1;
+       }
+
+       ieee80211_watchdog(ic);
+}
+
+/*
+ * This function allows for fast channel switching in monitor mode (used by
+ * net-mgmt/kismet). In IBSS mode, we must explicitly reset the interface to
+ * generate a new beacon frame.
+ */
+Static int
+ural_reset(struct ifnet *ifp)
+{
+       struct ural_softc *sc = ifp->if_softc;
+       struct ieee80211com *ic = &sc->sc_ic;
+
+       if (ic->ic_opmode != IEEE80211_M_MONITOR)
+               return ENETRESET;
+
+       ural_set_chan(sc, ic->ic_curchan);
+
+       return 0;
+}
+
+Static int
+ural_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
+{
+       struct ural_softc *sc = ifp->if_softc;
+       struct ieee80211com *ic = &sc->sc_ic;
+       int error = 0;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       switch (cmd) {
+       case SIOCSIFFLAGS:
+               if (ifp->if_flags & IFF_UP) {
+                       if (ifp->if_flags & IFF_RUNNING)
+                               ural_update_promisc(sc);
+                       else
+                               ural_init(sc);
+               } else {
+                       if (ifp->if_flags & IFF_RUNNING)
+                               ural_stop(sc);
+               }
+               break;
+
+       default:
+               error = ieee80211_ioctl(ic, cmd, data, cr);
+       }
+
+       if (error == ENETRESET) {
+               if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
+                   (IFF_UP | IFF_RUNNING) &&
+                   ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
+                       ural_init(sc);
+               error = 0;
+       }
+       return error;
+}
+
+Static void
+ural_set_testmode(struct ural_softc *sc)
+{
+       usb_device_request_t req;
+       usbd_status error;
+
+       req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+       req.bRequest = RAL_VENDOR_REQUEST;
+       USETW(req.wValue, 4);
+       USETW(req.wIndex, 1);
+       USETW(req.wLength, 0);
+
+       error = usbd_do_request(sc->sc_udev, &req, NULL);
+       if (error != 0) {
+               printf("%s: could not set test mode: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+       }
+}
+
+Static void
+ural_eeprom_read(struct ural_softc *sc, uint16_t addr, void *buf, int len)
+{
+       usb_device_request_t req;
+       usbd_status error;
+
+       req.bmRequestType = UT_READ_VENDOR_DEVICE;
+       req.bRequest = RAL_READ_EEPROM;
+       USETW(req.wValue, 0);
+       USETW(req.wIndex, addr);
+       USETW(req.wLength, len);
+
+       error = usbd_do_request(sc->sc_udev, &req, buf);
+       if (error != 0) {
+               printf("%s: could not read EEPROM: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+       }
+}
+
+Static uint16_t
+ural_read(struct ural_softc *sc, uint16_t reg)
+{
+       usb_device_request_t req;
+       usbd_status error;
+       uint16_t val;
+
+       req.bmRequestType = UT_READ_VENDOR_DEVICE;
+       req.bRequest = RAL_READ_MAC;
+       USETW(req.wValue, 0);
+       USETW(req.wIndex, reg);
+       USETW(req.wLength, sizeof (uint16_t));
+
+       error = usbd_do_request(sc->sc_udev, &req, &val);
+       if (error != 0) {
+               printf("%s: could not read MAC register: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+               return 0;
+       }
+
+       return le16toh(val);
+}
+
+Static void
+ural_read_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len)
+{
+       usb_device_request_t req;
+       usbd_status error;
+
+       req.bmRequestType = UT_READ_VENDOR_DEVICE;
+       req.bRequest = RAL_READ_MULTI_MAC;
+       USETW(req.wValue, 0);
+       USETW(req.wIndex, reg);
+       USETW(req.wLength, len);
+
+       error = usbd_do_request(sc->sc_udev, &req, buf);
+       if (error != 0) {
+               printf("%s: could not read MAC register: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+       }
+}
+
+Static void
+ural_write(struct ural_softc *sc, uint16_t reg, uint16_t val)
+{
+       usb_device_request_t req;
+       usbd_status error;
+
+       req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+       req.bRequest = RAL_WRITE_MAC;
+       USETW(req.wValue, val);
+       USETW(req.wIndex, reg);
+       USETW(req.wLength, 0);
+
+       error = usbd_do_request(sc->sc_udev, &req, NULL);
+       if (error != 0) {
+               printf("%s: could not write MAC register: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+       }
+}
+
+Static void
+ural_write_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len)
+{
+       usb_device_request_t req;
+       usbd_status error;
+
+       req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+       req.bRequest = RAL_WRITE_MULTI_MAC;
+       USETW(req.wValue, 0);
+       USETW(req.wIndex, reg);
+       USETW(req.wLength, len);
+
+       error = usbd_do_request(sc->sc_udev, &req, buf);
+       if (error != 0) {
+               printf("%s: could not write MAC register: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+       }
+}
+
+Static void
+ural_bbp_write(struct ural_softc *sc, uint8_t reg, uint8_t val)
+{
+       uint16_t tmp;
+       int ntries;
+
+       for (ntries = 0; ntries < 5; ntries++) {
+               if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY))
+                       break;
+       }
+       if (ntries == 5) {
+               printf("%s: could not write to BBP\n", USBDEVNAME(sc->sc_dev));
+               return;
+       }
+
+       tmp = reg << 8 | val;
+       ural_write(sc, RAL_PHY_CSR7, tmp);
+}
+
+Static uint8_t
+ural_bbp_read(struct ural_softc *sc, uint8_t reg)
+{
+       uint16_t val;
+       int ntries;
+
+       val = RAL_BBP_WRITE | reg << 8;
+       ural_write(sc, RAL_PHY_CSR7, val);
+
+       for (ntries = 0; ntries < 5; ntries++) {
+               if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY))
+                       break;
+       }
+       if (ntries == 5) {
+               printf("%s: could not read BBP\n", USBDEVNAME(sc->sc_dev));
+               return 0;
+       }
+
+       return ural_read(sc, RAL_PHY_CSR7) & 0xff;
+}
+
+Static void
+ural_rf_write(struct ural_softc *sc, uint8_t reg, uint32_t val)
+{
+       uint32_t tmp;
+       int ntries;
+
+       for (ntries = 0; ntries < 5; ntries++) {
+               if (!(ural_read(sc, RAL_PHY_CSR10) & RAL_RF_LOBUSY))
+                       break;
+       }
+       if (ntries == 5) {
+               printf("%s: could not write to RF\n", USBDEVNAME(sc->sc_dev));
+               return;
+       }
+
+       tmp = RAL_RF_BUSY | RAL_RF_20BIT | (val & 0xfffff) << 2 | (reg & 0x3);
+       ural_write(sc, RAL_PHY_CSR9,  tmp & 0xffff);
+       ural_write(sc, RAL_PHY_CSR10, tmp >> 16);
+
+       /* remember last written value in sc */
+       sc->rf_regs[reg] = val;
+
+       DPRINTFN(15, ("RF R[%u] <- 0x%05x\n", reg & 0x3, val & 0xfffff));
+}
+
+Static void
+ural_set_chan(struct ural_softc *sc, struct ieee80211_channel *c)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+       uint8_t power, tmp;
+       u_int i, chan;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       chan = ieee80211_chan2ieee(ic, c);
+       if (chan == 0 || chan == IEEE80211_CHAN_ANY)
+               return;
+
+       lwkt_serialize_exit(ifp->if_serializer);
+
+       if (IEEE80211_IS_CHAN_2GHZ(c))
+               power = min(sc->txpow[chan - 1], 31);
+       else
+               power = 31;
+
+       /* adjust txpower using ifconfig settings */
+       power -= (100 - ic->ic_txpowlimit) / 8;
+
+       DPRINTFN(2, ("setting channel to %u, txpower to %u\n", chan, power));
+
+       switch (sc->rf_rev) {
+       case RAL_RF_2522:
+               ural_rf_write(sc, RAL_RF1, 0x00814);
+               ural_rf_write(sc, RAL_RF2, ural_rf2522_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040);
+               break;
+
+       case RAL_RF_2523:
+               ural_rf_write(sc, RAL_RF1, 0x08804);
+               ural_rf_write(sc, RAL_RF2, ural_rf2523_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x38044);
+               ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
+               break;
+
+       case RAL_RF_2524:
+               ural_rf_write(sc, RAL_RF1, 0x0c808);
+               ural_rf_write(sc, RAL_RF2, ural_rf2524_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040);
+               ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
+               break;
+
+       case RAL_RF_2525:
+               ural_rf_write(sc, RAL_RF1, 0x08808);
+               ural_rf_write(sc, RAL_RF2, ural_rf2525_hi_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
+               ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
+
+               ural_rf_write(sc, RAL_RF1, 0x08808);
+               ural_rf_write(sc, RAL_RF2, ural_rf2525_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
+               ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
+               break;
+
+       case RAL_RF_2525E:
+               ural_rf_write(sc, RAL_RF1, 0x08808);
+               ural_rf_write(sc, RAL_RF2, ural_rf2525e_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
+               ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282);
+               break;
+
+       case RAL_RF_2526:
+               ural_rf_write(sc, RAL_RF2, ural_rf2526_hi_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
+               ural_rf_write(sc, RAL_RF1, 0x08804);
+
+               ural_rf_write(sc, RAL_RF2, ural_rf2526_r2[chan - 1]);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
+               ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
+               break;
+
+       /* dual-band RF */
+       case RAL_RF_5222:
+               for (i = 0; ural_rf5222[i].chan != chan; i++)
+                       ; /* EMPTY */
+
+               ural_rf_write(sc, RAL_RF1, ural_rf5222[i].r1);
+               ural_rf_write(sc, RAL_RF2, ural_rf5222[i].r2);
+               ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040);
+               ural_rf_write(sc, RAL_RF4, ural_rf5222[i].r4);
+               break;
+       }
+
+       if (ic->ic_opmode != IEEE80211_M_MONITOR &&
+           ic->ic_state != IEEE80211_S_SCAN) {
+               /* set Japan filter bit for channel 14 */
+               tmp = ural_bbp_read(sc, 70);
+
+               tmp &= ~RAL_JAPAN_FILTER;
+               if (chan == 14)
+                       tmp |= RAL_JAPAN_FILTER;
+
+               ural_bbp_write(sc, 70, tmp);
+
+               /* clear CRC errors */
+               ural_read(sc, RAL_STA_CSR0);
+
+               DELAY(10000);
+               ural_disable_rf_tune(sc);
+       }
+
+       lwkt_serialize_enter(ifp->if_serializer);
+}
+
+/*
+ * Disable RF auto-tuning.
+ */
+Static void
+ural_disable_rf_tune(struct ural_softc *sc)
+{
+       uint32_t tmp;
+
+       if (sc->rf_rev != RAL_RF_2523) {
+               tmp = sc->rf_regs[RAL_RF1] & ~RAL_RF1_AUTOTUNE;
+               ural_rf_write(sc, RAL_RF1, tmp);
+       }
+
+       tmp = sc->rf_regs[RAL_RF3] & ~RAL_RF3_AUTOTUNE;
+       ural_rf_write(sc, RAL_RF3, tmp);
+
+       DPRINTFN(2, ("disabling RF autotune\n"));
+}
+
+/*
+ * Refer to IEEE Std 802.11-1999 pp. 123 for more information on TSF
+ * synchronization.
+ */
+Static void
+ural_enable_tsf_sync(struct ural_softc *sc)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       uint16_t logcwmin, preload, tmp;
+
+       /* first, disable TSF synchronization */
+       ural_write(sc, RAL_TXRX_CSR19, 0);
+
+       tmp = (16 * ic->ic_bss->ni_intval) << 4;
+       ural_write(sc, RAL_TXRX_CSR18, tmp);
+
+       logcwmin = (ic->ic_opmode == IEEE80211_M_IBSS) ? 2 : 0;
+       preload = (ic->ic_opmode == IEEE80211_M_IBSS) ? 320 : 6;
+       tmp = logcwmin << 12 | preload;
+       ural_write(sc, RAL_TXRX_CSR20, tmp);
+
+       /* finally, enable TSF synchronization */
+       tmp = RAL_ENABLE_TSF | RAL_ENABLE_TBCN;
+       if (ic->ic_opmode == IEEE80211_M_STA)
+               tmp |= RAL_ENABLE_TSF_SYNC(1);
+       else
+               tmp |= RAL_ENABLE_TSF_SYNC(2) | RAL_ENABLE_BEACON_GENERATOR;
+       ural_write(sc, RAL_TXRX_CSR19, tmp);
+
+       DPRINTF(("enabling TSF synchronization\n"));
+}
+
+Static void
+ural_update_slot(struct ifnet *ifp)
+{
+       struct ural_softc *sc = ifp->if_softc;
+       struct ieee80211com *ic = &sc->sc_ic;
+       uint16_t slottime, sifs, eifs;
+
+       slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
+
+       /*
+        * These settings may sound a bit inconsistent but this is what the
+        * reference driver does.
+        */
+       if (ic->ic_curmode == IEEE80211_MODE_11B) {
+               sifs = 16 - RAL_RXTX_TURNAROUND;
+               eifs = 364;
+       } else {
+               sifs = 10 - RAL_RXTX_TURNAROUND;
+               eifs = 64;
+       }
+
+       ural_write(sc, RAL_MAC_CSR10, slottime);
+       ural_write(sc, RAL_MAC_CSR11, sifs);
+       ural_write(sc, RAL_MAC_CSR12, eifs);
+}
+
+Static void
+ural_set_txpreamble(struct ural_softc *sc)
+{
+       uint16_t tmp;
+
+       tmp = ural_read(sc, RAL_TXRX_CSR10);
+
+       tmp &= ~RAL_SHORT_PREAMBLE;
+       if (sc->sc_ic.ic_flags & IEEE80211_F_SHPREAMBLE)
+               tmp |= RAL_SHORT_PREAMBLE;
+
+       ural_write(sc, RAL_TXRX_CSR10, tmp);
+}
+
+Static void
+ural_set_basicrates(struct ural_softc *sc)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+
+       /* update basic rate set */
+       if (ic->ic_curmode == IEEE80211_MODE_11B) {
+               /* 11b basic rates: 1, 2Mbps */
+               ural_write(sc, RAL_TXRX_CSR11, 0x3);
+       } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bss->ni_chan)) {
+               /* 11a basic rates: 6, 12, 24Mbps */
+               ural_write(sc, RAL_TXRX_CSR11, 0x150);
+       } else {
+               /* 11g basic rates: 1, 2, 5.5, 11, 6, 12, 24Mbps */
+               ural_write(sc, RAL_TXRX_CSR11, 0x15f);
+       }
+}
+
+Static void
+ural_set_bssid(struct ural_softc *sc, uint8_t *bssid)
+{
+       uint16_t tmp;
+
+       tmp = bssid[0] | bssid[1] << 8;
+       ural_write(sc, RAL_MAC_CSR5, tmp);
+
+       tmp = bssid[2] | bssid[3] << 8;
+       ural_write(sc, RAL_MAC_CSR6, tmp);
+
+       tmp = bssid[4] | bssid[5] << 8;
+       ural_write(sc, RAL_MAC_CSR7, tmp);
+
+       DPRINTF(("setting BSSID to %6D\n", bssid, ":"));
+}
+
+Static void
+ural_set_macaddr(struct ural_softc *sc, uint8_t *addr)
+{
+       uint16_t tmp;
+
+       tmp = addr[0] | addr[1] << 8;
+       ural_write(sc, RAL_MAC_CSR2, tmp);
+
+       tmp = addr[2] | addr[3] << 8;
+       ural_write(sc, RAL_MAC_CSR3, tmp);
+
+       tmp = addr[4] | addr[5] << 8;
+       ural_write(sc, RAL_MAC_CSR4, tmp);
+
+       DPRINTF(("setting MAC address to %6D\n", addr, ":"));
+}
+
+Static void
+ural_update_promisc(struct ural_softc *sc)
+{
+       struct ifnet *ifp = &sc->sc_ic.ic_if;
+       uint32_t tmp;
+
+       tmp = ural_read(sc, RAL_TXRX_CSR2);
+
+       tmp &= ~RAL_DROP_NOT_TO_ME;
+       if (!(ifp->if_flags & IFF_PROMISC))
+               tmp |= RAL_DROP_NOT_TO_ME;
+
+       ural_write(sc, RAL_TXRX_CSR2, tmp);
+
+       DPRINTF(("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
+           "entering" : "leaving"));
+}
+
+Static const char *
+ural_get_rf(int rev)
+{
+       switch (rev) {
+       case RAL_RF_2522:       return "RT2522";
+       case RAL_RF_2523:       return "RT2523";
+       case RAL_RF_2524:       return "RT2524";
+       case RAL_RF_2525:       return "RT2525";
+       case RAL_RF_2525E:      return "RT2525e";
+       case RAL_RF_2526:       return "RT2526";
+       case RAL_RF_5222:       return "RT5222";
+       default:                return "unknown";
+       }
+}
+
+Static void
+ural_read_eeprom(struct ural_softc *sc)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       uint16_t val;
+
+       ural_eeprom_read(sc, RAL_EEPROM_CONFIG0, &val, 2);
+       val = le16toh(val);
+       sc->rf_rev =   (val >> 11) & 0x7;
+       sc->hw_radio = (val >> 10) & 0x1;
+       sc->led_mode = (val >> 6)  & 0x7;
+       sc->rx_ant =   (val >> 4)  & 0x3;
+       sc->tx_ant =   (val >> 2)  & 0x3;
+       sc->nb_ant =   val & 0x3;
+
+       /* read MAC address */
+       ural_eeprom_read(sc, RAL_EEPROM_ADDRESS, ic->ic_myaddr, 6);
+
+       /* read default values for BBP registers */
+       ural_eeprom_read(sc, RAL_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
+
+       /* read Tx power for all b/g channels */
+       ural_eeprom_read(sc, RAL_EEPROM_TXPOWER, sc->txpow, 14);
+}
+
+Static int
+ural_bbp_init(struct ural_softc *sc)
+{
+#define N(a)   (sizeof (a) / sizeof ((a)[0]))
+       int i, ntries;
+
+       /* wait for BBP to be ready */
+       for (ntries = 0; ntries < 100; ntries++) {
+               if (ural_bbp_read(sc, RAL_BBP_VERSION) != 0)
+                       break;
+               DELAY(1000);
+       }
+       if (ntries == 100) {
+               device_printf(sc->sc_dev, "timeout waiting for BBP\n");
+               return EIO;
+       }
+
+       /* initialize BBP registers to default values */
+       for (i = 0; i < N(ural_def_bbp); i++)
+               ural_bbp_write(sc, ural_def_bbp[i].reg, ural_def_bbp[i].val);
+
+#if 0
+       /* initialize BBP registers to values stored in EEPROM */
+       for (i = 0; i < 16; i++) {
+               if (sc->bbp_prom[i].reg == 0xff)
+                       continue;
+               ural_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
+       }
+#endif
+
+       return 0;
+#undef N
+}
+
+Static void
+ural_set_txantenna(struct ural_softc *sc, int antenna)
+{
+       uint16_t tmp;
+       uint8_t tx;
+
+       tx = ural_bbp_read(sc, RAL_BBP_TX) & ~RAL_BBP_ANTMASK;
+       if (antenna == 1)
+               tx |= RAL_BBP_ANTA;
+       else if (antenna == 2)
+               tx |= RAL_BBP_ANTB;
+       else
+               tx |= RAL_BBP_DIVERSITY;
+
+       /* need to force I/Q flip for RF 2525e, 2526 and 5222 */
+       if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526 ||
+           sc->rf_rev == RAL_RF_5222)
+               tx |= RAL_BBP_FLIPIQ;
+
+       ural_bbp_write(sc, RAL_BBP_TX, tx);
+
+       /* update values in PHY_CSR5 and PHY_CSR6 */
+       tmp = ural_read(sc, RAL_PHY_CSR5) & ~0x7;
+       ural_write(sc, RAL_PHY_CSR5, tmp | (tx & 0x7));
+
+       tmp = ural_read(sc, RAL_PHY_CSR6) & ~0x7;
+       ural_write(sc, RAL_PHY_CSR6, tmp | (tx & 0x7));
+}
+
+Static void
+ural_set_rxantenna(struct ural_softc *sc, int antenna)
+{
+       uint8_t rx;
+
+       rx = ural_bbp_read(sc, RAL_BBP_RX) & ~RAL_BBP_ANTMASK;
+       if (antenna == 1)
+               rx |= RAL_BBP_ANTA;
+       else if (antenna == 2)
+               rx |= RAL_BBP_ANTB;
+       else
+               rx |= RAL_BBP_DIVERSITY;
+
+       /* need to force no I/Q flip for RF 2525e and 2526 */
+       if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526)
+               rx &= ~RAL_BBP_FLIPIQ;
+
+       ural_bbp_write(sc, RAL_BBP_RX, rx);
+}
+
+Static void
+ural_init(void *priv)
+{
+#define N(a)   (sizeof (a) / sizeof ((a)[0]))
+       struct ural_softc *sc = priv;
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+       struct ieee80211_key *wk;
+       struct ural_rx_data *data;
+       uint16_t tmp;
+       usbd_status error;
+       int i, ntries;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       ural_set_testmode(sc);
+       ural_write(sc, 0x308, 0x00f0);  /* XXX magic */
+
+       ural_stop(sc);
+
+       /* initialize MAC registers to default values */
+       for (i = 0; i < N(ural_def_mac); i++)
+               ural_write(sc, ural_def_mac[i].reg, ural_def_mac[i].val);
+
+       /* wait for BBP and RF to wake up (this can take a long time!) */
+       for (ntries = 0; ntries < 100; ntries++) {
+               tmp = ural_read(sc, RAL_MAC_CSR17);
+               if ((tmp & (RAL_BBP_AWAKE | RAL_RF_AWAKE)) ==
+                   (RAL_BBP_AWAKE | RAL_RF_AWAKE))
+                       break;
+               DELAY(1000);
+       }
+       if (ntries == 100) {
+               printf("%s: timeout waiting for BBP/RF to wakeup\n",
+                   USBDEVNAME(sc->sc_dev));
+               goto fail;
+       }
+
+       /* we're ready! */
+       ural_write(sc, RAL_MAC_CSR1, RAL_HOST_READY);
+
+       /* set basic rate set (will be updated later) */
+       ural_write(sc, RAL_TXRX_CSR11, 0x15f);
+
+       if (ural_bbp_init(sc) != 0)
+               goto fail;
+
+       /* set default BSS channel */
+       ural_set_chan(sc, ic->ic_curchan);
+
+       /* clear statistic registers (STA_CSR0 to STA_CSR10) */
+       ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta);
+
+       ural_set_txantenna(sc, sc->tx_ant);
+       ural_set_rxantenna(sc, sc->rx_ant);
+
+       IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
+       ural_set_macaddr(sc, ic->ic_myaddr);
+
+       /*
+        * Copy WEP keys into adapter's memory (SEC_CSR0 to SEC_CSR31).
+        */
+       for (i = 0; i < IEEE80211_WEP_NKID; i++) {
+               wk = &ic->ic_crypto.cs_nw_keys[i];
+               ural_write_multi(sc, wk->wk_keyix * IEEE80211_KEYBUF_SIZE +
+                   RAL_SEC_CSR0, wk->wk_key, IEEE80211_KEYBUF_SIZE);
+       }
+
+       /*
+        * Allocate xfer for AMRR statistics requests.
+        */
+       sc->stats_xfer = usbd_alloc_xfer(sc->sc_udev);
+       if (sc->stats_xfer == NULL) {
+               printf("%s: could not allocate AMRR xfer\n",
+                   USBDEVNAME(sc->sc_dev));
+               goto fail;
+       }
+
+       /*
+        * Open Tx and Rx USB bulk pipes.
+        */
+       error = usbd_open_pipe(sc->sc_iface, sc->sc_tx_no, USBD_EXCLUSIVE_USE,
+           &sc->sc_tx_pipeh);
+       if (error != 0) {
+               printf("%s: could not open Tx pipe: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+               goto fail;
+       }
+
+       error = usbd_open_pipe(sc->sc_iface, sc->sc_rx_no, USBD_EXCLUSIVE_USE,
+           &sc->sc_rx_pipeh);
+       if (error != 0) {
+               printf("%s: could not open Rx pipe: %s\n",
+                   USBDEVNAME(sc->sc_dev), usbd_errstr(error));
+               goto fail;
+       }
+
+       /*
+        * Allocate Tx and Rx xfer queues.
+        */
+       error = ural_alloc_tx_list(sc);
+       if (error != 0) {
+               printf("%s: could not allocate Tx list\n",
+                   USBDEVNAME(sc->sc_dev));
+               goto fail;
+       }
+
+       error = ural_alloc_rx_list(sc);
+       if (error != 0) {
+               printf("%s: could not allocate Rx list\n",
+                   USBDEVNAME(sc->sc_dev));
+               goto fail;
+       }
+
+       /*
+        * Start up the receive pipe.
+        */
+       for (i = 0; i < RAL_RX_LIST_COUNT; i++) {
+               data = &sc->rx_data[i];
+
+               usbd_setup_xfer(data->xfer, sc->sc_rx_pipeh, data, data->buf,
+                   MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, ural_rxeof);
+               usbd_transfer(data->xfer);
+       }
+
+       /* kick Rx */
+       tmp = RAL_DROP_PHY | RAL_DROP_CRC;
+       if (ic->ic_opmode != IEEE80211_M_MONITOR) {
+               tmp |= RAL_DROP_CTL | RAL_DROP_BAD_VERSION;
+               if (ic->ic_opmode != IEEE80211_M_HOSTAP)
+                       tmp |= RAL_DROP_TODS;
+               if (!(ifp->if_flags & IFF_PROMISC))
+                       tmp |= RAL_DROP_NOT_TO_ME;
+       }
+       ural_write(sc, RAL_TXRX_CSR2, tmp);
+
+       ifp->if_flags &= ~IFF_OACTIVE;
+       ifp->if_flags |= IFF_RUNNING;
+
+       /* clear statistic registers (STA_CSR0 to STA_CSR10) */
+       ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof(sc->sta));
+
+       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:  ural_stop(sc);
+#undef N
+}
+
+Static void
+ural_stop(struct ural_softc *sc)
+{
+       struct ieee80211com *ic = &sc->sc_ic;
+       struct ifnet *ifp = &ic->ic_if;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
+
+       sc->sc_tx_timer = 0;
+       ifp->if_timer = 0;
+       ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
+
+       /* disable Rx */
+       ural_write(sc, RAL_TXRX_CSR2, RAL_DISABLE_RX);
+
+       /* reset ASIC and BBP (but won't reset MAC registers!) */
+       ural_write(sc, RAL_MAC_CSR1, RAL_RESET_ASIC | RAL_RESET_BBP);
+       ural_write(sc, RAL_MAC_CSR1, 0);
+
+       if (sc->stats_xfer != NULL) {
+               usbd_free_xfer(sc->stats_xfer);
+               sc->stats_xfer = NULL;
+       }
+
+       if (sc->sc_rx_pipeh != NULL) {
+               usbd_abort_pipe(sc->sc_rx_pipeh);
+               usbd_close_pipe(sc->sc_rx_pipeh);
+               sc->sc_rx_pipeh = NULL;
+       }
+
+       if (sc->sc_tx_pipeh != NULL) {
+               usbd_abort_pipe(sc->sc_tx_pipeh);
+               usbd_close_pipe(sc->sc_tx_pipeh);
+               sc->sc_tx_pipeh = NULL;
+       }
+
+       ural_free_rx_list(sc);
+       ural_free_tx_list(sc);
+}
+
+Static void
+ural_stats_timeout(void *arg)
+{
+       struct ural_softc *sc = (struct ural_softc *)arg;
+       struct ifnet *ifp = &sc->sc_ic.ic_if;
+       usb_device_request_t req;
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       /*
+        * Asynchronously read statistic registers (cleared by read).
+        */
+       req.bmRequestType = UT_READ_VENDOR_DEVICE;
+       req.bRequest = RAL_READ_MULTI_MAC;
+       USETW(req.wValue, 0);
+       USETW(req.wIndex, RAL_STA_CSR0);
+       USETW(req.wLength, sizeof(sc->sta));
+
+       usbd_setup_default_xfer(sc->stats_xfer, sc->sc_udev, sc,
+                               USBD_DEFAULT_TIMEOUT, &req,
+                               sc->sta, sizeof(sc->sta), 0,
+                               ural_stats_update);
+       usbd_transfer(sc->stats_xfer);
+
+       lwkt_serialize_exit(ifp->if_serializer);
+}
+
+Static void
+ural_stats_update(usbd_xfer_handle xfer, usbd_private_handle priv,
+                 usbd_status status)
+{
+       struct ural_softc *sc = (struct ural_softc *)priv;
+       struct ifnet *ifp = &sc->sc_ic.ic_if;
+       struct ieee80211_ratectl_stats *stats = &sc->sc_stats;
+
+       if (status != USBD_NORMAL_COMPLETION) {
+               device_printf(sc->sc_dev, "could not retrieve Tx statistics - "
+                   "cancelling automatic rate control\n");
+               return;
+       }
+
+       lwkt_serialize_enter(ifp->if_serializer);
+
+       /* count TX retry-fail as Tx errors */
+       ifp->if_oerrors += sc->sta[RAL_TX_PKT_FAIL];
+
+       stats->stats_pkt_ok += sc->sta[RAL_TX_PKT_NO_RETRY] +
+                              sc->sta[RAL_TX_PKT_ONE_RETRY] +
+                              sc->sta[RAL_TX_PKT_MULTI_RETRY];
+
+       stats->stats_pkt_err += sc->sta[RAL_TX_PKT_FAIL];
+
+       stats->stats_pkt_noretry += sc->sta[RAL_TX_PKT_NO_RETRY];
+
+       stats->stats_short_retries += sc->sta[RAL_TX_PKT_ONE_RETRY];
+#if 1
+       /*
+        * XXX Estimated average:
+        * Actual number of retries for each packet should belong to
+        * [2, sc->sc_tx_retries]
+        */
+       stats->stats_short_retries += sc->sta[RAL_TX_PKT_MULTI_RETRY] *
+                                     ((2 + sc->sc_tx_retries) / 2);
+#else
+       stats->stats_short_retries += sc->sta[RAL_TX_PKT_MULTI_RETRY];
+#endif
+       stats->stats_short_retries +=
+               sc->sta[RAL_TX_PKT_FAIL] * sc->sc_tx_retries;
+
+       callout_reset(&sc->stats_ch, 4 * hz / 5, ural_stats_timeout, sc);
+
+       lwkt_serialize_exit(ifp->if_serializer);
+}
+
+Static void
+ural_stats(struct ieee80211com *ic, struct ieee80211_node *ni __unused,
+          struct ieee80211_ratectl_stats *stats)
+{
+       struct ifnet *ifp = &ic->ic_if;
+       struct ural_softc *sc = ifp->if_softc;
+
+       ASSERT_SERIALIZED(ifp->if_serializer);
+
+       bcopy(&sc->sc_stats, stats, sizeof(*stats));
+       bzero(&sc->sc_stats, sizeof(sc->sc_stats));
+}
+
+Static void
+ural_ratectl_change(struct ieee80211com *ic, u_int orc __unused, u_int nrc)
+{
+       struct ieee80211_ratectl_state *st = &ic->ic_ratectl;
+       struct ieee80211_onoe_param *oparam;
+
+       if (st->rc_st_param != NULL) {
+               kfree(st->rc_st_param, M_DEVBUF);
+               st->rc_st_param = NULL;
+       }
+
+       switch (nrc) {
+       case IEEE80211_RATECTL_ONOE:
+               oparam = kmalloc(sizeof(*oparam), M_DEVBUF, M_INTWAIT);
+
+               IEEE80211_ONOE_PARAM_SETUP(oparam);
+               oparam->onoe_raise = 20;
+
+               st->rc_st_param = oparam;
+               break;
+       case IEEE80211_RATECTL_NONE:
+               /* This could only happen during detaching */
+               break;
+       default:
+               panic("unknown rate control algo %u\n", nrc);
+       }
+}
+
+DRIVER_MODULE(ural, uhub, ural_driver, ural_devclass, usbd_driver_load, 0);
diff --git a/sys/dev/netif/ural/if_uralreg.h b/sys/dev/netif/ural/if_uralreg.h
new file mode 100644 (file)
index 0000000..3f3a5de
--- /dev/null
@@ -0,0 +1,208 @@
+/*     $FreeBSD: src/sys/dev/usb/if_uralreg.h,v 1.1.2.1 2006/01/29 14:16:36 damien Exp $       */
+/*     $DragonFly: src/sys/dev/netif/ural/if_uralreg.h,v 1.1 2006/12/10 02:53:34 sephe Exp $   */
+
+/*-
+ * Copyright (c) 2005, 2006
+ *     Damien Bergamini <damien.bergamini@free.fr>
+ *
+ * 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.
+ */
+
+#define RAL_RX_DESC_SIZE       (sizeof (struct ural_rx_desc))
+#define RAL_TX_DESC_SIZE       (sizeof (struct ural_tx_desc))
+
+#define RAL_CONFIG_NO  1
+#define RAL_IFACE_INDEX 0
+
+#define RAL_VENDOR_REQUEST     0x01
+#define RAL_WRITE_MAC          0x02
+#define RAL_READ_MAC           0x03
+#define RAL_WRITE_MULTI_MAC    0x06
+#define RAL_READ_MULTI_MAC     0x07
+#define RAL_READ_EEPROM                0x09
+
+/*
+ * MAC registers.
+ */
+#define RAL_MAC_CSR0   0x0400  /* ASIC Version */
+#define RAL_MAC_CSR1   0x0402  /* System control */
+#define RAL_MAC_CSR2   0x0404  /* MAC addr0 */
+#define RAL_MAC_CSR3   0x0406  /* MAC addr1 */
+#define RAL_MAC_CSR4   0x0408  /* MAC addr2 */
+#define RAL_MAC_CSR5   0x040a  /* BSSID0 */
+#define RAL_MAC_CSR6   0x040c  /* BSSID1 */
+#define RAL_MAC_CSR7   0x040e  /* BSSID2 */
+#define RAL_MAC_CSR8   0x0410  /* Max frame length */
+#define RAL_MAC_CSR9   0x0412  /* Timer control */
+#define RAL_MAC_CSR10  0x0414  /* Slot time */
+#define RAL_MAC_CSR11  0x0416  /* IFS */
+#define RAL_MAC_CSR12  0x0418  /* EIFS */
+#define RAL_MAC_CSR13  0x041a  /* Power mode0 */
+#define RAL_MAC_CSR14  0x041c  /* Power mode1 */
+#define RAL_MAC_CSR15  0x041e  /* Power saving transition0 */
+#define RAL_MAC_CSR16  0x0420  /* Power saving transition1 */
+#define RAL_MAC_CSR17  0x0422  /* Power state control */
+#define RAL_MAC_CSR18  0x0424  /* Auto wake-up control */
+#define RAL_MAC_CSR19  0x0426  /* GPIO control */
+#define RAL_MAC_CSR20  0x0428  /* LED control0 */
+#define RAL_MAC_CSR22  0x042c  /* XXX not documented */
+
+/*
+ * Tx/Rx Registers.
+ */
+#define RAL_TXRX_CSR0  0x0440  /* Security control */
+#define RAL_TXRX_CSR2  0x0444  /* Rx control */
+#define RAL_TXRX_CSR5  0x044a  /* CCK Tx BBP ID0 */
+#define RAL_TXRX_CSR6  0x044c  /* CCK Tx BBP ID1 */
+#define RAL_TXRX_CSR7  0x044e  /* OFDM Tx BBP ID0 */
+#define RAL_TXRX_CSR8  0x0450  /* OFDM Tx BBP ID1 */
+#define RAL_TXRX_CSR10 0x0454  /* Auto responder control */
+#define RAL_TXRX_CSR11 0x0456  /* Auto responder basic rate */
+#define RAL_TXRX_CSR18 0x0464  /* Beacon interval */
+#define RAL_TXRX_CSR19 0x0466  /* Beacon/sync control */
+#define RAL_TXRX_CSR20 0x0468  /* Beacon alignment */
+#define RAL_TXRX_CSR21 0x046a  /* XXX not documented */
+
+/*
+ * Security registers.
+ */
+#define RAL_SEC_CSR0   0x0480  /* Shared key 0, word 0 */
+
+/*
+ * PHY registers.
+ */
+#define RAL_PHY_CSR2   0x04c4  /* Tx MAC configuration */
+#define RAL_PHY_CSR4   0x04c8  /* Interface configuration */
+#define RAL_PHY_CSR5   0x04ca  /* BBP Pre-Tx CCK */
+#define RAL_PHY_CSR6   0x04cc  /* BBP Pre-Tx OFDM */
+#define RAL_PHY_CSR7   0x04ce  /* BBP serial control */
+#define RAL_PHY_CSR8   0x04d0  /* BBP serial status */
+#define RAL_PHY_CSR9   0x04d2  /* RF serial control0 */
+#define RAL_PHY_CSR10  0x04d4  /* RF serial control1 */
+
+/*
+ * Statistics registers.
+ */
+#define RAL_STA_CSR0   0x04e0  /* FCS error */
+
+
+#define RAL_DISABLE_RX         (1 << 0)
+#define RAL_DROP_CRC           (1 << 1)
+#define RAL_DROP_PHY           (1 << 2)
+#define RAL_DROP_CTL           (1 << 3)
+#define RAL_DROP_NOT_TO_ME     (1 << 4)
+#define RAL_DROP_TODS          (1 << 5)
+#define RAL_DROP_BAD_VERSION   (1 << 6)
+#define RAL_DROP_MULTICAST     (1 << 9)
+#define RAL_DROP_BROADCAST     (1 << 10)
+
+#define RAL_SHORT_PREAMBLE     (1 << 2)
+
+#define RAL_RESET_ASIC (1 << 0)
+#define RAL_RESET_BBP  (1 << 1)
+#define RAL_HOST_READY (1 << 2)
+
+#define RAL_ENABLE_TSF                 (1 << 0)
+#define RAL_ENABLE_TSF_SYNC(x)         (((x) & 0x3) << 1)
+#define RAL_ENABLE_TBCN                        (1 << 3)
+#define RAL_ENABLE_BEACON_GENERATOR    (1 << 4)
+
+#define RAL_RF_AWAKE   (3 << 7)
+#define RAL_BBP_AWAKE  (3 << 5)
+
+#define RAL_BBP_WRITE  (1 << 15)
+#define RAL_BBP_BUSY   (1 << 0)
+
+#define RAL_RF1_AUTOTUNE       0x08000
+#define RAL_RF3_AUTOTUNE       0x00040
+
+#define RAL_RF_2522    0x00
+#define RAL_RF_2523    0x01
+#define RAL_RF_2524    0x02
+#define RAL_RF_2525    0x03
+#define RAL_RF_2525E   0x04
+#define RAL_RF_2526    0x05
+/* dual-band RF */
+#define RAL_RF_5222    0x10
+
+#define RAL_BBP_VERSION        0
+#define RAL_BBP_TX     2
+#define RAL_BBP_RX     14
+
+#define RAL_BBP_ANTA           0x00
+#define RAL_BBP_DIVERSITY      0x01
+#define RAL_BBP_ANTB           0x02
+#define RAL_BBP_ANTMASK                0x03
+#define RAL_BBP_FLIPIQ         0x04
+
+#define RAL_JAPAN_FILTER       0x08
+
+struct ural_tx_desc {
+       uint32_t        flags;
+#define RAL_TX_RETRY(x)                ((x) << 4)
+#define RAL_TX_MORE_FRAG       (1 << 8)
+#define RAL_TX_ACK             (1 << 9)
+#define RAL_TX_TIMESTAMP       (1 << 10)
+#define RAL_TX_OFDM            (1 << 11)
+#define RAL_TX_NEWSEQ          (1 << 12)
+
+#define RAL_TX_IFS_MASK                0x00006000
+#define RAL_TX_IFS_BACKOFF     (0 << 13)
+#define RAL_TX_IFS_SIFS                (1 << 13)
+#define RAL_TX_IFS_NEWBACKOFF  (2 << 13)
+#define RAL_TX_IFS_NONE                (3 << 13)
+
+       uint16_t        wme;
+#define RAL_LOGCWMAX(x)                (((x) & 0xf) << 12)
+#define RAL_LOGCWMIN(x)                (((x) & 0xf) << 8)
+#define RAL_AIFSN(x)           (((x) & 0x3) << 6)
+#define RAL_IVOFFSET(x)                (((x) & 0x3f))
+
+       uint16_t        reserved1;
+       uint8_t         plcp_signal;
+       uint8_t         plcp_service;
+#define RAL_PLCP_LENGEXT       0x80
+
+       uint8_t         plcp_length_lo;
+       uint8_t         plcp_length_hi;
+       uint32_t        iv;
+       uint32_t        eiv;
+} __packed;
+
+struct ural_rx_desc {
+       uint32_t        flags;
+#define RAL_RX_CRC_ERROR       (1 << 5)
+#define RAL_RX_OFDM            (1 << 6)
+#define RAL_RX_PHY_ERROR       (1 << 7)
+
+       uint8_t         rssi;
+       uint8_t         rate;
+       uint16_t        reserved;
+
+       uint32_t        iv;
+       uint32_t        eiv;
+} __packed;
+
+#define RAL_RF_LOBUSY  (1 << 15)
+#define RAL_RF_BUSY    (1 << 31)
+#define RAL_RF_20BIT   (20 << 24)
+
+#define RAL_RF1        0
+#define RAL_RF2        2
+#define RAL_RF3        1
+#define RAL_RF4        3
+
+#define RAL_EEPROM_ADDRESS     0x0004
+#define RAL_EEPROM_TXPOWER     0x003c
+#define RAL_EEPROM_CONFIG0     0x0016
+#define RAL_EEPROM_BBP_BASE    0x001c
diff --git a/sys/dev/netif/ural/if_uralvar.h b/sys/dev/netif/ural/if_uralvar.h
new file mode 100644 (file)
index 0000000..c99549c
--- /dev/null
@@ -0,0 +1,160 @@
+/*     $FreeBSD: src/sys/dev/usb/if_uralvar.h,v 1.3.2.3 2006/01/29 14:16:36 damien Exp $       */
+/*     $DragonFly: src/sys/dev/netif/ural/if_uralvar.h,v 1.1 2006/12/10 02:53:34 sephe Exp $   */
+
+/*-
+ * Copyright (c) 2005, 2006
+ *     Damien Bergamini <damien.bergamini@free.fr>
+ *
+ * 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.
+ */
+
+#define RAL_RX_LIST_COUNT      1
+#define RAL_TX_LIST_COUNT      1
+
+struct ural_rx_radiotap_header {
+       struct ieee80211_radiotap_header wr_ihdr;
+       uint8_t         wr_flags;
+       uint8_t         wr_rate;
+       uint16_t        wr_chan_freq;
+       uint16_t        wr_chan_flags;
+       uint8_t         wr_antenna;
+       uint8_t         wr_antsignal;
+};
+
+#define RAL_RX_RADIOTAP_PRESENT                                                \
+       ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
+        (1 << IEEE80211_RADIOTAP_RATE) |                               \
+        (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
+        (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
+        (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
+
+struct ural_tx_radiotap_header {
+       struct ieee80211_radiotap_header wt_ihdr;
+       uint8_t         wt_flags;
+       uint8_t         wt_rate;
+       uint16_t        wt_chan_freq;
+       uint16_t        wt_chan_flags;
+       uint8_t         wt_antenna;
+};
+
+#define RAL_TX_RADIOTAP_PRESENT                                                \
+       ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
+        (1 << IEEE80211_RADIOTAP_RATE) |                               \
+        (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
+        (1 << IEEE80211_RADIOTAP_ANTENNA))
+
+struct ural_softc;
+
+struct ural_tx_data {
+       struct ural_softc       *sc;
+       usbd_xfer_handle        xfer;
+       uint8_t                 *buf;
+       struct mbuf             *m;
+       struct ieee80211_node   *ni;
+};
+
+struct ural_rx_data {
+       struct ural_softc       *sc;
+       usbd_xfer_handle        xfer;
+       uint8_t                 *buf;
+       struct mbuf             *m;
+};
+
+struct ural_softc {
+       struct ieee80211com             sc_ic;
+       uint32_t                        sc_flags;
+#define URAL_FLAG_SYNCTASK     0x1
+
+       int                             (*sc_newstate)(struct ieee80211com *,
+                                           enum ieee80211_state, int);
+       USBBASEDEVICE                   sc_dev;
+       usbd_device_handle              sc_udev;
+       usbd_interface_handle           sc_iface;
+
+       int                             sc_rx_no;
+       int                             sc_tx_no;
+
+       uint32_t                        asic_rev;
+       uint8_t                         rf_rev;
+
+       usbd_xfer_handle                stats_xfer;
+
+       usbd_pipe_handle                sc_rx_pipeh;
+       usbd_pipe_handle                sc_tx_pipeh;
+
+       enum ieee80211_state            sc_state;
+       struct usb_task                 sc_task;
+
+       struct ural_rx_data             rx_data[RAL_RX_LIST_COUNT];
+       struct ural_tx_data             tx_data[RAL_TX_LIST_COUNT];
+       int                             tx_queued;
+
+       struct ieee80211_beacon_offsets sc_bo;
+
+       struct ieee80211_ratectl_stats  sc_stats;
+       int                             sc_tx_retries;
+
+#if 0
+       struct mtx                      sc_mtx;
+#endif
+
+       struct callout                  scan_ch;
+       struct callout                  stats_ch;
+
+       int                             sc_tx_timer;
+
+       uint16_t                        sta[11];
+       uint32_t                        rf_regs[4];
+       uint8_t                         txpow[14];
+
+       struct {
+               uint8_t                 val;
+               uint8_t                 reg;
+       } __packed                      bbp_prom[16];
+
+       int                             led_mode;
+       int                             hw_radio;
+       int                             rx_ant;
+       int                             tx_ant;
+       int                             nb_ant;
+
+       struct bpf_if                   *sc_drvbpf;
+
+       union {
+               struct ural_rx_radiotap_header th;
+               uint8_t pad[64];
+       }                               sc_rxtapu;
+#define sc_rxtap       sc_rxtapu.th
+       int                             sc_rxtap_len;
+
+       union {
+               struct ural_tx_radiotap_header th;
+               uint8_t pad[64];
+       }                               sc_txtapu;
+#define sc_txtap       sc_txtapu.th
+       int                             sc_txtap_len;
+};
+
+/*
+ * Offsets into ural_softc.stap[]
+ */
+/*
+ * Counters located at RAL_TX_PKT_ are the numbers of packets successfully
+ * or unsuccessfully transmitted.  Though you can calculate the number of
+ * transmissions from certain counter (e.g. NO_RETRY, ONE_RETRY and FAIL),
+ * the counters are NOT the number of transmissions (e.g. MULTI_RETRY).
+ */
+#define RAL_TX_PKT_NO_RETRY    6
+#define RAL_TX_PKT_ONE_RETRY   7
+#define RAL_TX_PKT_MULTI_RETRY 8
+#define RAL_TX_PKT_FAIL                9