Add run(4), a driver for Ralink RT2700U/RT2800U/RT3000U USB 802.11agn devices.

This driver was written for OpenBSD by Damien Bergamini and ported over by
Akinori Furukoshi.

1 files changed, 4143 insertions, 0 deletions

diff --git a/sys/dev/usb/wlan/if_run.c b/sys/dev/usb/wlan/if_run.c
new file mode 100644
index 0000000..92acd47
--- /dev/null
+++ b/sys/dev/usb/wlan/if_run.c
@@ -0,0 +1,4143 @@
+/*	$FreeBSD$	*/
+
+/*-
+ * Copyright (c) 2008,2009 Damien Bergamini <damien.bergamini@free.fr>
+ *	ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca>
+ *
+ * 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.
+ */
+
+/* release date Jan. 09, 2010 */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*-
+ * Ralink Technology RT2700U/RT2800U/RT3000U chipset driver.
+ * http://www.ralinktech.com/
+ */
+
+#include <sys/param.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/mbuf.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/endian.h>
+#include <sys/systm.h>
+#include <sys/linker.h>
+#include <sys/firmware.h>
+#include <sys/kdb.h>
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_regdomain.h>
+#include <net80211/ieee80211_radiotap.h>
+#include <net80211/ieee80211_amrr.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include "usbdevs.h"
+
+#define USB_DEBUG_VAR run_debug
+#include <dev/usb/usb_debug.h>
+
+#include "if_runreg.h"		/* shared with ral(4) */
+#include "if_runvar.h"
+
+#define nitems(_a)      (sizeof((_a)) / sizeof((_a)[0]))
+
+#if	USB_DEBUG
+#define RUN_DEBUG
+#endif
+
+#ifdef	RUN_DEBUG
+int run_debug = 0;
+SYSCTL_NODE(_hw_usb, OID_AUTO, run, CTLFLAG_RW, 0, "USB run");
+SYSCTL_INT(_hw_usb_run, OID_AUTO, debug, CTLFLAG_RW, &run_debug, 0,
+    "run debug level");
+#endif
+
+#define IEEE80211_HAS_ADDR4(wh) \
+	(((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
+
+static const struct usb_device_id run_devs[] = {
+    { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_RT2770) },
+    { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_RT2870) },
+    { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_RT3070) },
+    { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_RT3071) },
+    { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_RT3072) },
+    { USB_VP(USB_VENDOR_ABOCOM2,	USB_PRODUCT_ABOCOM2_RT2870_1) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT2770) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT2870_1) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT2870_2) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT2870_3) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT2870_4) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT2870_5) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT3070_1) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT3070_2) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT3070_3) },
+    { USB_VP(USB_VENDOR_ACCTON,		USB_PRODUCT_ACCTON_RT3070_4) },
+    { USB_VP(USB_VENDOR_AIRTIES,	USB_PRODUCT_AIRTIES_RT3070) },
+    { USB_VP(USB_VENDOR_AMIGO,		USB_PRODUCT_AMIGO_RT2870_1) },
+    { USB_VP(USB_VENDOR_AMIGO,		USB_PRODUCT_AMIGO_RT2870_2) },
+    { USB_VP(USB_VENDOR_AMIT,		USB_PRODUCT_AMIT_CGWLUSB2GNR) },
+    { USB_VP(USB_VENDOR_AMIT,		USB_PRODUCT_AMIT_RT2870_1) },
+    { USB_VP(USB_VENDOR_AMIT2,		USB_PRODUCT_AMIT2_RT2870) },
+    { USB_VP(USB_VENDOR_ASUS,		USB_PRODUCT_ASUS_RT2870_1) },
+    { USB_VP(USB_VENDOR_ASUS,		USB_PRODUCT_ASUS_RT2870_2) },
+    { USB_VP(USB_VENDOR_ASUS,		USB_PRODUCT_ASUS_RT2870_3) },
+    { USB_VP(USB_VENDOR_ASUS,		USB_PRODUCT_ASUS_RT2870_4) },
+    { USB_VP(USB_VENDOR_ASUS,		USB_PRODUCT_ASUS_RT2870_5) },
+    { USB_VP(USB_VENDOR_ASUS2,		USB_PRODUCT_ASUS2_USBN11) },
+    { USB_VP(USB_VENDOR_AZUREWAVE,	USB_PRODUCT_AZUREWAVE_RT2870_1) },
+    { USB_VP(USB_VENDOR_AZUREWAVE,	USB_PRODUCT_AZUREWAVE_RT2870_2) },
+    { USB_VP(USB_VENDOR_AZUREWAVE,	USB_PRODUCT_AZUREWAVE_RT3070_1) },
+    { USB_VP(USB_VENDOR_AZUREWAVE,	USB_PRODUCT_AZUREWAVE_RT3070_2) },
+    { USB_VP(USB_VENDOR_AZUREWAVE,	USB_PRODUCT_AZUREWAVE_RT3070_3) },
+    { USB_VP(USB_VENDOR_BELKIN,		USB_PRODUCT_BELKIN_F5D8053V3) },
+    { USB_VP(USB_VENDOR_BELKIN,		USB_PRODUCT_BELKIN_F5D8055) },
+    { USB_VP(USB_VENDOR_BELKIN,		USB_PRODUCT_BELKIN_F6D4050V1) },
+    { USB_VP(USB_VENDOR_BELKIN,		USB_PRODUCT_BELKIN_RT2870_1) },
+    { USB_VP(USB_VENDOR_BELKIN,		USB_PRODUCT_BELKIN_RT2870_2) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_1) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_2) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_3) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_4) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_5) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_6) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_7) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_RT2870_8) },
+    { USB_VP(USB_VENDOR_CONCEPTRONIC2,	USB_PRODUCT_CONCEPTRONIC2_VIGORN61) },
+    { USB_VP(USB_VENDOR_COREGA,		USB_PRODUCT_COREGA_CGWLUSB300GNM) },
+    { USB_VP(USB_VENDOR_COREGA,		USB_PRODUCT_COREGA_RT2870_1) },
+    { USB_VP(USB_VENDOR_COREGA,		USB_PRODUCT_COREGA_RT2870_2) },
+    { USB_VP(USB_VENDOR_COREGA,		USB_PRODUCT_COREGA_RT2870_3) },
+    { USB_VP(USB_VENDOR_COREGA,		USB_PRODUCT_COREGA_RT3070) },
+    { USB_VP(USB_VENDOR_CYBERTAN,	USB_PRODUCT_CYBERTAN_RT2870) },
+    { USB_VP(USB_VENDOR_DLINK,		USB_PRODUCT_DLINK_RT2870) },
+    { USB_VP(USB_VENDOR_DLINK,		USB_PRODUCT_DLINK_RT3072) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_DWA130) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT2870_1) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT2870_2) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT3070_1) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT3070_2) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT3070_3) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT3070_4) },
+    { USB_VP(USB_VENDOR_DLINK2,		USB_PRODUCT_DLINK2_RT3072) },
+    { USB_VP(USB_VENDOR_EDIMAX,		USB_PRODUCT_EDIMAX_EW7717) },
+    { USB_VP(USB_VENDOR_EDIMAX,		USB_PRODUCT_EDIMAX_EW7718) },
+    { USB_VP(USB_VENDOR_EDIMAX,		USB_PRODUCT_EDIMAX_RT2870_1) },
+    { USB_VP(USB_VENDOR_ENCORE,		USB_PRODUCT_ENCORE_RT3070_1) },
+    { USB_VP(USB_VENDOR_ENCORE,		USB_PRODUCT_ENCORE_RT3070_2) },
+    { USB_VP(USB_VENDOR_ENCORE,		USB_PRODUCT_ENCORE_RT3070_3) },
+    { USB_VP(USB_VENDOR_GIGABYTE,	USB_PRODUCT_GIGABYTE_GNWB31N) },
+    { USB_VP(USB_VENDOR_GIGABYTE,	USB_PRODUCT_GIGABYTE_GNWB32L) },
+    { USB_VP(USB_VENDOR_GIGABYTE,	USB_PRODUCT_GIGABYTE_RT2870_1) },
+    { USB_VP(USB_VENDOR_GIGASET,	USB_PRODUCT_GIGASET_RT3070_1) },
+    { USB_VP(USB_VENDOR_GIGASET,	USB_PRODUCT_GIGASET_RT3070_2) },
+    { USB_VP(USB_VENDOR_GUILLEMOT,	USB_PRODUCT_GUILLEMOT_HWNU300) },
+    { USB_VP(USB_VENDOR_HAWKING,	USB_PRODUCT_HAWKING_HWUN2) },
+    { USB_VP(USB_VENDOR_HAWKING,	USB_PRODUCT_HAWKING_RT2870_1) },
+    { USB_VP(USB_VENDOR_HAWKING,	USB_PRODUCT_HAWKING_RT2870_2) },
+    { USB_VP(USB_VENDOR_HAWKING,	USB_PRODUCT_HAWKING_RT3070) },
+    { USB_VP(USB_VENDOR_IODATA,		USB_PRODUCT_IODATA_RT3072_1) },
+    { USB_VP(USB_VENDOR_IODATA,		USB_PRODUCT_IODATA_RT3072_2) },
+    { USB_VP(USB_VENDOR_IODATA,		USB_PRODUCT_IODATA_RT3072_3) },
+    { USB_VP(USB_VENDOR_IODATA,		USB_PRODUCT_IODATA_RT3072_4) },
+    { USB_VP(USB_VENDOR_LINKSYS4,	USB_PRODUCT_LINKSYS4_WUSB100) },
+    { USB_VP(USB_VENDOR_LINKSYS4,	USB_PRODUCT_LINKSYS4_WUSB54GCV3) },
+    { USB_VP(USB_VENDOR_LINKSYS4,	USB_PRODUCT_LINKSYS4_WUSB600N) },
+    { USB_VP(USB_VENDOR_LINKSYS4,	USB_PRODUCT_LINKSYS4_WUSB600NV2) },
+    { USB_VP(USB_VENDOR_LOGITEC,	USB_PRODUCT_LOGITEC_RT2870_1) },
+    { USB_VP(USB_VENDOR_LOGITEC,	USB_PRODUCT_LOGITEC_RT2870_2) },
+    { USB_VP(USB_VENDOR_LOGITEC,	USB_PRODUCT_LOGITEC_RT2870_3) },
+    { USB_VP(USB_VENDOR_MELCO,		USB_PRODUCT_MELCO_WLIUCAG300N) },
+    { USB_VP(USB_VENDOR_MELCO,		USB_PRODUCT_MELCO_WLIUCG300N) },
+    { USB_VP(USB_VENDOR_MELCO,		USB_PRODUCT_MELCO_WLIUCGN) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_1) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_2) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_3) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_4) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_5) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_6) },
+    { USB_VP(USB_VENDOR_MSI,		USB_PRODUCT_MSI_RT3070_7) },
+    { USB_VP(USB_VENDOR_PARA,		USB_PRODUCT_PARA_RT3070) },
+    { USB_VP(USB_VENDOR_PEGATRON,	USB_PRODUCT_PEGATRON_RT2870) },
+    { USB_VP(USB_VENDOR_PEGATRON,	USB_PRODUCT_PEGATRON_RT3070) },
+    { USB_VP(USB_VENDOR_PEGATRON,	USB_PRODUCT_PEGATRON_RT3070_2) },
+    { USB_VP(USB_VENDOR_PHILIPS,	USB_PRODUCT_PHILIPS_RT2870) },
+    { USB_VP(USB_VENDOR_PLANEX2,	USB_PRODUCT_PLANEX2_GWUS300MINIS) },
+    { USB_VP(USB_VENDOR_PLANEX2,	USB_PRODUCT_PLANEX2_GWUSMICRON) },
+    { USB_VP(USB_VENDOR_PLANEX2,	USB_PRODUCT_PLANEX2_RT2870) },
+    { USB_VP(USB_VENDOR_PLANEX2,	USB_PRODUCT_PLANEX2_RT3070) },
+    { USB_VP(USB_VENDOR_QCOM,		USB_PRODUCT_QCOM_RT2870) },
+    { USB_VP(USB_VENDOR_QUANTA,		USB_PRODUCT_QUANTA_RT3070) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT2070) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT2770) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT2870) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT3070) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT3071) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT3072) },
+    { USB_VP(USB_VENDOR_RALINK,		USB_PRODUCT_RALINK_RT3572) },
+    { USB_VP(USB_VENDOR_SAMSUNG2,	USB_PRODUCT_SAMSUNG2_RT2870_1) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT2870_1) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT2870_2) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT2870_3) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT2870_4) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3070) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3071) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3072_1) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3072_2) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3072_3) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3072_4) },
+    { USB_VP(USB_VENDOR_SENAO,		USB_PRODUCT_SENAO_RT3072_5) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT2770) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT2870_1) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT2870_2) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT2870_3) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT2870_4) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3070) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3070_2) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3070_3) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3070_4) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3072_1) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3072_2) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3072_3) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3072_4) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3072_5) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_RT3072_6) },
+    { USB_VP(USB_VENDOR_SITECOMEU,	USB_PRODUCT_SITECOMEU_WL608) },
+    { USB_VP(USB_VENDOR_SPARKLAN,	USB_PRODUCT_SPARKLAN_RT2870_1) },
+    { USB_VP(USB_VENDOR_SPARKLAN,	USB_PRODUCT_SPARKLAN_RT3070) },
+    { USB_VP(USB_VENDOR_SWEEX2,		USB_PRODUCT_SWEEX2_LW303) },
+    { USB_VP(USB_VENDOR_SWEEX2,		USB_PRODUCT_SWEEX2_LW313) },
+    { USB_VP(USB_VENDOR_UMEDIA,		USB_PRODUCT_UMEDIA_RT2870_1) },
+    { USB_VP(USB_VENDOR_ZCOM,		USB_PRODUCT_ZCOM_RT2870_1) },
+    { USB_VP(USB_VENDOR_ZCOM,		USB_PRODUCT_ZCOM_RT2870_2) },
+    { USB_VP(USB_VENDOR_ZINWELL,	USB_PRODUCT_ZINWELL_RT2870_1) },
+    { USB_VP(USB_VENDOR_ZINWELL,	USB_PRODUCT_ZINWELL_RT2870_2) },
+    { USB_VP(USB_VENDOR_ZINWELL,	USB_PRODUCT_ZINWELL_RT3070) },
+    { USB_VP(USB_VENDOR_ZINWELL,	USB_PRODUCT_ZINWELL_RT3072_1) },
+    { USB_VP(USB_VENDOR_ZINWELL,	USB_PRODUCT_ZINWELL_RT3072_2) },
+    { USB_VP(USB_VENDOR_ZYXEL,		USB_PRODUCT_ZYXEL_RT2870_1) },
+};
+
+MODULE_DEPEND(run, wlan, 1, 1, 1);
+MODULE_DEPEND(run, wlan_amrr, 1, 1, 1);
+MODULE_DEPEND(run, usb, 1, 1, 1);
+MODULE_DEPEND(run, firmware, 1, 1, 1);
+
+static device_probe_t	run_match;
+static device_attach_t	run_attach;
+static device_detach_t	run_detach;
+
+static usb_callback_t	run_bulk_rx_callback;
+static usb_callback_t	run_bulk_tx_callback0;
+static usb_callback_t	run_bulk_tx_callback1;
+static usb_callback_t	run_bulk_tx_callback2;
+static usb_callback_t	run_bulk_tx_callback3;
+static usb_callback_t	run_bulk_tx_callback4;
+static usb_callback_t	run_bulk_tx_callback5;
+
+static void	run_bulk_tx_callbackN(struct usb_xfer *xfer,
+		    usb_error_t error, unsigned int index);
+static struct ieee80211vap *run_vap_create(struct ieee80211com *,
+		    const char name[IFNAMSIZ], int unit, int opmode, int flags,
+		    const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t
+		    mac[IEEE80211_ADDR_LEN]);
+static void	run_vap_delete(struct ieee80211vap *);
+static void	run_setup_tx_list(struct run_softc *,
+		    struct run_endpoint_queue *);
+static void	run_unsetup_tx_list(struct run_softc *,
+		    struct run_endpoint_queue *);
+static int	run_load_microcode(struct run_softc *);
+static int	run_reset(struct run_softc *);
+static usb_error_t run_do_request(struct run_softc *,
+		    struct usb_device_request *, void *);
+static int	run_read(struct run_softc *, uint16_t, uint32_t *);
+static int	run_read_region_1(struct run_softc *, uint16_t, uint8_t *, int);
+static int	run_write_2(struct run_softc *, uint16_t, uint16_t);
+static int	run_write(struct run_softc *, uint16_t, uint32_t);
+static int	run_write_region_1(struct run_softc *, uint16_t,
+		    const uint8_t *, int);
+static int	run_set_region_4(struct run_softc *, uint16_t, uint32_t, int);
+static int	run_efuse_read_2(struct run_softc *, uint16_t, uint16_t *);
+static int	run_eeprom_read_2(struct run_softc *, uint16_t, uint16_t *);
+static int	run_rt2870_rf_write(struct run_softc *, uint8_t, uint32_t);
+static int	run_rt3070_rf_read(struct run_softc *, uint8_t, uint8_t *);
+static int	run_rt3070_rf_write(struct run_softc *, uint8_t, uint8_t);
+static int	run_bbp_read(struct run_softc *, uint8_t, uint8_t *);
+static int	run_bbp_write(struct run_softc *, uint8_t, uint8_t);
+static int	run_mcu_cmd(struct run_softc *, uint8_t, uint16_t);
+static const char *run_get_rf(int);
+static int	run_read_eeprom(struct run_softc *);
+static struct ieee80211_node *run_node_alloc(struct ieee80211vap *,
+			    const uint8_t mac[IEEE80211_ADDR_LEN]);
+static int	run_media_change(struct ifnet *);
+static int	run_newstate(struct ieee80211vap *, enum ieee80211_state, int);
+static int	run_wme_update(struct ieee80211com *);
+static void	run_wme_update_cb(void *, int);
+static void	run_key_update_begin(struct ieee80211vap *);
+static void	run_key_update_end(struct ieee80211vap *);
+static int	run_key_set(struct ieee80211vap *, const struct ieee80211_key *,
+			    const uint8_t mac[IEEE80211_ADDR_LEN]);
+static int	run_key_delete(struct ieee80211vap *,
+		    const struct ieee80211_key *);
+static void	run_amrr_start(struct run_softc *, struct ieee80211_node *);
+static void	run_amrr_to(void *);
+static void	run_amrr_cb(void *, int);
+static void	run_iter_func(void *, struct ieee80211_node *);
+static void	run_newassoc(struct ieee80211_node *, int);
+static void	run_rx_frame(struct run_softc *, struct mbuf *, uint32_t);
+static void	run_tx_free(struct run_endpoint_queue *pq,
+		    struct run_tx_data *, int);
+static void	run_set_tx_desc(struct run_softc *, struct run_tx_data *,
+		    uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
+static int	run_tx(struct run_softc *, struct mbuf *,
+		    struct ieee80211_node *);
+static int	run_tx_mgt(struct run_softc *, struct mbuf *,
+		    struct ieee80211_node *);
+static int	run_sendprot(struct run_softc *, const struct mbuf *,
+		    struct ieee80211_node *, int, int);
+static int	run_tx_param(struct run_softc *, struct mbuf *,
+		    struct ieee80211_node *,
+		    const struct ieee80211_bpf_params *);
+static int	run_raw_xmit(struct ieee80211_node *, struct mbuf *,
+		    const struct ieee80211_bpf_params *);
+static void	run_start(struct ifnet *);
+static int	run_ioctl(struct ifnet *, u_long, caddr_t);
+static void	run_select_chan_group(struct run_softc *, int);
+static void	run_set_rx_antenna(struct run_softc *, int);
+static void	run_rt2870_set_chan(struct run_softc *, u_int);
+static void	run_rt3070_set_chan(struct run_softc *, u_int);
+static int	run_set_chan(struct run_softc *, struct ieee80211_channel *);
+static void	run_set_channel(struct ieee80211com *);
+static void	run_scan_start(struct ieee80211com *);
+static void	run_scan_end(struct ieee80211com *);
+static uint8_t	run_rate2mcs(uint8_t);
+static void	run_update_beacon(struct ieee80211vap *, int);
+static void	run_update_beacon_locked(struct ieee80211vap *, int);
+static void	run_updateprot(struct ieee80211com *);
+static void	run_usb_timeout_cb(void *, int);
+static void	run_reset_livelock(struct run_softc *);
+static void	run_enable_tsf_sync(struct run_softc *);
+static void	run_enable_mrr(struct run_softc *);
+static void	run_set_txpreamble(struct run_softc *);
+static void	run_set_basicrates(struct run_softc *);
+static void	run_set_leds(struct run_softc *, uint16_t);
+static void	run_set_bssid(struct run_softc *, const uint8_t *);
+static void	run_set_macaddr(struct run_softc *, const uint8_t *);
+static void	run_updateslot(struct ifnet *);
+static int8_t	run_rssi2dbm(struct run_softc *, uint8_t, uint8_t);
+static void	run_update_promisc_locked(struct ifnet *);
+static void	run_update_promisc(struct ifnet *);
+static int	run_bbp_init(struct run_softc *);
+static int	run_rt3070_rf_init(struct run_softc *);
+static int	run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t,
+		    uint8_t *);
+static int	run_txrx_enable(struct run_softc *);
+static void	run_init(void *);
+static void	run_init_locked(struct run_softc *);
+static void	run_stop(void *);
+static void	run_delay(struct run_softc *, unsigned int);
+
+static const struct {
+	uint32_t	reg;
+	uint32_t	val;
+} rt2870_def_mac[] = {
+	RT2870_DEF_MAC
+};
+
+static const struct {
+	uint8_t	reg;
+	uint8_t	val;
+} rt2860_def_bbp[] = {
+	RT2860_DEF_BBP
+};
+
+static const struct rfprog {
+	uint8_t		chan;
+	uint32_t	r1, r2, r3, r4;
+} rt2860_rf2850[] = {
+	RT2860_RF2850
+};
+
+struct {
+	uint8_t	n, r, k;
+} run_rf3020_freqs[] = {
+	RT3070_RF3020
+};
+
+static const struct {
+	uint8_t	reg;
+	uint8_t	val;
+} rt3070_def_rf[] = {
+	RT3070_DEF_RF
+};
+
+static const struct usb_config run_config[RUN_N_XFER] = {
+    [RUN_BULK_TX_BE] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.ep_index = 0,
+	.direction = UE_DIR_OUT,
+	.bufsize = RUN_MAX_TXSZ,
+	.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
+	.callback = run_bulk_tx_callback0,
+	.timeout = 5000,	/* ms */
+    },
+    [RUN_BULK_TX_BK] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.direction = UE_DIR_OUT,
+	.ep_index = 1,
+	.bufsize = RUN_MAX_TXSZ,
+	.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
+	.callback = run_bulk_tx_callback1,
+	.timeout = 5000,	/* ms */
+    },
+    [RUN_BULK_TX_VI] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.direction = UE_DIR_OUT,
+	.ep_index = 2,
+	.bufsize = RUN_MAX_TXSZ,
+	.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
+	.callback = run_bulk_tx_callback2,
+	.timeout = 5000,	/* ms */
+    },
+    [RUN_BULK_TX_VO] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.direction = UE_DIR_OUT,
+	.ep_index = 3,
+	.bufsize = RUN_MAX_TXSZ,
+	.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
+	.callback = run_bulk_tx_callback3,
+	.timeout = 5000,	/* ms */
+    },
+    [RUN_BULK_TX_HCCA] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.direction = UE_DIR_OUT,
+	.ep_index = 4,
+	.bufsize = RUN_MAX_TXSZ,
+	.flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
+	.callback = run_bulk_tx_callback4,
+	.timeout = 5000,	/* ms */
+    },
+    [RUN_BULK_TX_PRIO] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.direction = UE_DIR_OUT,
+	.ep_index = 5,
+	.bufsize = RUN_MAX_TXSZ,
+	.flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,},
+	.callback = run_bulk_tx_callback5,
+	.timeout = 5000,	/* ms */
+    },
+    [RUN_BULK_RX] = {
+	.type = UE_BULK,
+	.endpoint = UE_ADDR_ANY,
+	.direction = UE_DIR_IN,
+	.bufsize = RUN_MAX_RXSZ,
+	.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
+	.callback = run_bulk_rx_callback,
+    }
+};
+
+int
+run_match(device_t self)
+{
+	struct usb_attach_arg *uaa = device_get_ivars(self);
+
+	if (uaa->usb_mode != USB_MODE_HOST)
+		return (ENXIO);
+	if (uaa->info.bConfigIndex != 0)
+		return (ENXIO);
+	if (uaa->info.bIfaceIndex != RT2860_IFACE_INDEX)
+		return (ENXIO);
+
+	return (usbd_lookup_id_by_uaa(run_devs, sizeof(run_devs), uaa));
+}
+
+static int
+run_attach(device_t self)
+{
+	struct run_softc *sc = device_get_softc(self);
+	struct usb_attach_arg *uaa = device_get_ivars(self);
+	struct ieee80211com *ic;
+	struct ifnet *ifp;
+	int i, ntries, error;
+	uint8_t iface_index, bands;
+
+	device_set_usb_desc(self);
+	sc->sc_udev = uaa->device;
+	sc->sc_dev = self;
+
+	mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev),
+	    MTX_NETWORK_LOCK, MTX_DEF);
+
+	iface_index = RT2860_IFACE_INDEX;
+	/* Rx transfer has own lock */
+	error = usbd_transfer_setup(uaa->device, &iface_index,
+	    sc->sc_xfer, run_config, RUN_N_XFER, sc, &sc->sc_mtx);
+	if (error) {
+		device_printf(self, "could not allocate USB Tx transfers, "
+		    "err=%s\n", usbd_errstr(error));
+		goto detach;
+	}
+
+	RUN_LOCK(sc);
+
+	/* wait for the chip to settle */
+	for (ntries = 0; ntries < 100; ntries++) {
+		if (run_read(sc, RT2860_ASIC_VER_ID, &sc->mac_rev) != 0){
+			RUN_UNLOCK(sc);
+			goto detach;
+		}
+		if (sc->mac_rev != 0 && sc->mac_rev != 0xffffffff)
+			break;
+		run_delay(sc, 10);
+	}
+	if (ntries == 100) {
+		printf("%s: timeout waiting for NIC to initialize\n",
+		    device_get_nameunit(sc->sc_dev));
+		RUN_UNLOCK(sc);
+		goto detach;
+	}
+
+	/* retrieve RF rev. no and various other things from EEPROM */
+	run_read_eeprom(sc);
+
+	printf("%s: MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), "
+	    "address %s\n", device_get_nameunit(sc->sc_dev), sc->mac_rev >> 16,
+	    sc->mac_rev & 0xffff, run_get_rf(sc->rf_rev), sc->ntxchains,
+	    sc->nrxchains, ether_sprintf(sc->sc_bssid));
+
+	if ((error = run_load_microcode(sc)) != 0) {
+		printf("%s: could not load 8051 microcode\n",
+		    device_get_nameunit(sc->sc_dev));
+		RUN_UNLOCK(sc);
+		goto detach;
+	}
+
+	RUN_UNLOCK(sc);
+
+	ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
+	if(ifp == NULL){
+		printf("%s: can not if_alloc()\n",
+		    device_get_nameunit(sc->sc_dev));
+		goto detach;
+	}
+	ic = ifp->if_l2com;
+
+	ifp->if_softc = sc;
+	if_initname(ifp, "run", device_get_unit(sc->sc_dev));
+	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+	ifp->if_init = run_init;
+	ifp->if_ioctl = run_ioctl;
+	ifp->if_start = run_start;
+	IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
+	ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
+	IFQ_SET_READY(&ifp->if_snd);
+
+	ic->ic_ifp = ifp;
+	ic->ic_phytype = IEEE80211_T_OFDM;	/* not only, but not used */
+	ic->ic_opmode = IEEE80211_M_STA;	/* default to BSS mode */
+#if 0
+	ic->ic_state = IEEE80211_S_INIT;
+#endif
+	/* set device capabilities */
+	ic->ic_caps =
+	    IEEE80211_C_STA |		/* station mode supported */
+	    IEEE80211_C_MONITOR |	/* monitor mode supported */
+	    IEEE80211_C_IBSS |
+	    IEEE80211_C_HOSTAP |
+	    IEEE80211_C_SHPREAMBLE |	/* short preamble supported */
+	    IEEE80211_C_SHSLOT |	/* short slot time supported */
+	    IEEE80211_C_WME |		/* WME */
+	    IEEE80211_C_WPA;		/* WPA1|WPA2(RSN) */
+
+	ic->ic_cryptocaps =
+	    IEEE80211_CRYPTO_WEP |
+	    IEEE80211_CRYPTO_AES_CCM |
+	    IEEE80211_CRYPTO_TKIPMIC |
+	    IEEE80211_CRYPTO_TKIP;
+
+	ic->ic_flags |= IEEE80211_F_DATAPAD;
+	ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
+
+	bands = 0;
+	setbit(&bands, IEEE80211_MODE_11B);
+	setbit(&bands, IEEE80211_MODE_11G);
+	ieee80211_init_channels(ic, NULL, &bands);
+
+	/*
+	 * Do this by own because h/w supports
+	 * more channels than ieee80211_init_channels()
+	 */
+	if (sc->rf_rev == RT2860_RF_2750 || sc->rf_rev == RT2860_RF_2850) {
+		/* set supported .11a rates */
+		for (i = 14; i < nitems(rt2860_rf2850); i++) {
+			uint8_t chan = rt2860_rf2850[i].chan;
+			ic->ic_channels[ic->ic_nchans].ic_freq =
+			    ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A);
+			ic->ic_channels[ic->ic_nchans].ic_ieee = chan;
+			ic->ic_channels[ic->ic_nchans].ic_flags = IEEE80211_CHAN_A;
+			ic->ic_channels[ic->ic_nchans].ic_extieee = 0;
+			ic->ic_nchans++;
+		}
+	}
+
+	ieee80211_ifattach(ic, sc->sc_bssid);
+
+	ic->ic_scan_start = run_scan_start;
+	ic->ic_scan_end = run_scan_end;
+	ic->ic_set_channel = run_set_channel;
+	ic->ic_node_alloc = run_node_alloc;
+	ic->ic_newassoc = run_newassoc;
+	//ic->ic_updateslot = run_updateslot;
+	ic->ic_wme.wme_update = run_wme_update;
+	ic->ic_raw_xmit = run_raw_xmit;
+	ic->ic_update_promisc = run_update_promisc;
+
+	ic->ic_vap_create = run_vap_create;
+	ic->ic_vap_delete = run_vap_delete;
+
+	ieee80211_radiotap_attach(ic,
+	    &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
+		RUN_TX_RADIOTAP_PRESENT,
+	    &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
+		RUN_RX_RADIOTAP_PRESENT);
+
+	if (bootverbose)
+		ieee80211_announce(ic);
+
+	return 0;
+
+detach:
+	run_detach(self);
+	return(ENXIO);
+}
+
+static int
+run_detach(device_t self)
+{
+	struct run_softc *sc = device_get_softc(self);
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211com *ic;
+	int i;
+
+	/* stop all USB transfers */
+	usbd_transfer_unsetup(sc->sc_xfer, RUN_N_XFER);
+
+	RUN_LOCK(sc);
+	/* free TX list, if any */
+	for (i = 0; i != RUN_EP_QUEUES; i++)
+		run_unsetup_tx_list(sc, &sc->sc_epq[i]);
+	RUN_UNLOCK(sc);
+
+	if (ifp) {
+		ic = ifp->if_l2com;
+		ieee80211_ifdetach(ic);
+		if_free(ifp);
+	}
+
+	mtx_destroy(&sc->sc_mtx);
+
+	return (0);
+}
+
+static struct ieee80211vap *
+run_vap_create(struct ieee80211com *ic,
+    const char name[IFNAMSIZ], int unit, int opmode, int flags,
+    const uint8_t bssid[IEEE80211_ADDR_LEN],
+    const uint8_t mac[IEEE80211_ADDR_LEN])
+{
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	struct run_vap *rvp;
+	struct ieee80211vap *vap;
+
+	if (!TAILQ_EMPTY(&ic->ic_vaps))         /* only one at a time */
+		return NULL;
+	sc->sc_rvp = rvp = (struct run_vap *) malloc(sizeof(struct run_vap),
+	    M_80211_VAP, M_NOWAIT | M_ZERO);
+	if (rvp == NULL)
+		return NULL;
+	vap = &rvp->vap;
+	/* enable s/w bmiss handling for sta mode */
+	ieee80211_vap_setup(ic, vap, name, unit, opmode,
+	    flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
+
+	vap->iv_key_update_begin = run_key_update_begin;
+	vap->iv_key_update_end = run_key_update_end;
+	vap->iv_key_delete = run_key_delete;
+	vap->iv_key_set = run_key_set;
+	vap->iv_update_beacon = run_update_beacon;
+
+	/* override state transition machine */
+	rvp->newstate = vap->iv_newstate;
+	vap->iv_newstate = run_newstate;
+
+	TASK_INIT(&rvp->amrr_task, 0, run_amrr_cb, rvp);
+	TASK_INIT(&sc->wme_task, 0, run_wme_update_cb, ic);
+	TASK_INIT(&sc->usb_timeout_task, 0, run_usb_timeout_cb, sc);
+	callout_init((struct callout *)&rvp->amrr_ch, 1);
+	ieee80211_amrr_init(&rvp->amrr, vap,
+	    IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD,
+	    IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD,
+	    1000 /* 1 sec */);
+
+	/* complete setup */
+	ieee80211_vap_attach(vap, run_media_change, ieee80211_media_status);
+	ic->ic_opmode = opmode;
+	return vap;
+}
+
+static void
+run_vap_delete(struct ieee80211vap *vap)
+{
+	struct run_vap *rvp = RUN_VAP(vap);
+	struct ifnet *ifp;
+	struct ieee80211com *ic;
+	struct run_softc *sc;
+
+	if(vap == NULL)
+		return;
+
+	ic = vap->iv_ic;
+	ifp = ic->ic_ifp;
+
+	sc = ifp->if_softc;
+
+	if (ifp && ifp->if_flags & IFF_UP){
+		RUN_LOCK(sc);
+		run_stop(sc);
+		RUN_UNLOCK(sc);
+	}
+
+	ieee80211_amrr_cleanup(&rvp->amrr);
+	ieee80211_vap_detach(vap);
+	free(rvp, M_80211_VAP);
+	sc->sc_rvp = NULL;
+}
+
+static void
+run_setup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq)
+{
+	struct run_tx_data *data;
+
+	memset(pq, 0, sizeof(*pq));
+
+	STAILQ_INIT(&pq->tx_qh);
+	STAILQ_INIT(&pq->tx_fh);
+
+	for (data = &pq->tx_data[0];
+	    data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) {
+		data->sc = sc;
+		STAILQ_INSERT_TAIL(&pq->tx_fh, data, next);
+	}
+	pq->tx_nfree = RUN_TX_RING_COUNT;
+}
+
+static void
+run_unsetup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq)
+{
+	struct run_tx_data *data;
+
+	/* make sure any subsequent use of the queues will fail */
+	pq->tx_nfree = 0;
+	STAILQ_INIT(&pq->tx_fh);
+	STAILQ_INIT(&pq->tx_qh);
+
+	/* free up all node references and mbufs */
+	for (data = &pq->tx_data[0];
+	    data < &pq->tx_data[RUN_TX_RING_COUNT]; data++){
+		if (data->m != NULL) {
+			m_freem(data->m);
+			data->m = NULL;
+		}
+		if (data->ni != NULL) {
+			ieee80211_free_node(data->ni);
+			data->ni = NULL;
+		}
+	}
+}
+
+int
+run_load_microcode(struct run_softc *sc)
+{
+	usb_device_request_t req;
+	const u_char *base;
+	uint32_t tmp;
+	int ntries, error;
+	const uint64_t *temp;
+	uint64_t bytes;
+
+	if((sc->fwp = firmware_get("runfw")) == NULL){
+		printf("%s: failed loadfirmware of file %s (error %d)\n",
+		    device_get_nameunit(sc->sc_dev), "runfw", ENOENT);
+		return ENOENT;
+	}
+
+	if (sc->fwp->datasize != 8192) {
+		printf("%s: invalid firmware size (should be 8KB)\n",
+		    device_get_nameunit(sc->sc_dev));
+		return EINVAL;
+	}
+
+	/*
+	 * RT3071/RT3072 use a different firmware
+	 * run-rt2870 (8KB) contains both,
+	 * first half (4KB) is for rt2870,
+	 * last half is for rt3071.
+	 */
+	base = sc->fwp->data;
+	if ((sc->mac_rev >> 16) != 0x2860 &&
+	    (sc->mac_rev >> 16) != 0x2872 &&
+	    (sc->mac_rev >> 16) != 0x3070 &&
+	    (sc->mac_rev >> 16) != 0x3572){
+		base += 4096;
+		printf("%s: You are using firmware RT3071.\n",
+		    device_get_nameunit(sc->sc_dev));
+	} else
+		printf("%s: You are using firmware RT2870.\n",
+		    device_get_nameunit(sc->sc_dev));
+
+	/* cheap sanity check */
+	temp = sc->fwp->data;
+	bytes = *temp;
+	if(bytes != be64toh(0xffffff0210280210))
+		return EINVAL;
+
+	run_read(sc, RT2860_ASIC_VER_ID, &tmp);
+	/* write microcode image */
+	run_write_region_1(sc, RT2870_FW_BASE, base, 4096);
+	run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff);
+	run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff);
+
+	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+	req.bRequest = RT2870_RESET;
+	USETW(req.wValue, 8);
+	USETW(req.wIndex, 0);
+	USETW(req.wLength, 0);
+	if ((error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)) != 0)
+		return error;
+
+	run_delay(sc, 10);
+
+	run_write(sc, RT2860_H2M_MAILBOX, 0);
+	if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_BOOT, 0)) != 0)
+		return error;
+
+	/* wait until microcontroller is ready */
+	for (ntries = 0; ntries < 1000; ntries++) {
+		if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0)
+			return error;
+		if (tmp & RT2860_MCU_READY)
+			break;
+		run_delay(sc, 10);
+	}
+	if (ntries == 1000) {
+		printf("%s: timeout waiting for MCU to initialize\n",
+		    device_get_nameunit(sc->sc_dev));
+		return ETIMEDOUT;
+	}
+	DPRINTF("microcode successfully loaded after %d tries\n", ntries);
+
+	return 0;
+}
+
+int
+run_reset(struct run_softc *sc)
+{
+	usb_device_request_t req;
+
+	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+	req.bRequest = RT2870_RESET;
+	USETW(req.wValue, 1);
+	USETW(req.wIndex, 0);
+	USETW(req.wLength, 0);
+	return usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL);
+}
+
+static usb_error_t
+run_do_request(struct run_softc *sc,
+    struct usb_device_request *req, void *data)
+{
+	usb_error_t err;
+	int ntries = 10;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	while (ntries--) {
+		err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
+		    req, data, 0, NULL, 250 /* ms */);
+		if (err == 0)
+			break;
+		DPRINTFN(1, "Control request failed, %s (retrying)\n",
+		    usbd_errstr(err));
+		run_delay(sc, 10);
+	}
+	return (err);
+}
+
+static int
+run_read(struct run_softc *sc, uint16_t reg, uint32_t *val)
+{
+	uint32_t tmp;
+	int error;
+
+	error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp);
+	if (error == 0)
+		*val = le32toh(tmp);
+	else
+		*val = 0xffffffff;
+	return error;
+}
+
+static int
+run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len)
+{
+	usb_device_request_t req;
+
+	req.bmRequestType = UT_READ_VENDOR_DEVICE;
+	req.bRequest = RT2870_READ_REGION_1;
+	USETW(req.wValue, 0);
+	USETW(req.wIndex, reg);
+	USETW(req.wLength, len);
+
+	return run_do_request(sc, &req, buf);
+}
+
+static int
+run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val)
+{
+	usb_device_request_t req;
+
+	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+	req.bRequest = RT2870_WRITE_2;
+	USETW(req.wValue, val);
+	USETW(req.wIndex, reg);
+	USETW(req.wLength, 0);
+
+	return run_do_request(sc, &req, NULL);
+}
+
+static int
+run_write(struct run_softc *sc, uint16_t reg, uint32_t val)
+{
+	int error;
+
+	if ((error = run_write_2(sc, reg, val & 0xffff)) == 0)
+		error = run_write_2(sc, reg + 2, val >> 16);
+	return error;
+}
+
+static int
+run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf,
+    int len)
+{
+#if 1
+	int i, error = 0;
+	/*
+	 * NB: the WRITE_REGION_1 command is not stable on RT2860.
+	 * We thus issue multiple WRITE_2 commands instead.
+	 */
+	KASSERT((len & 1) == 0, ("run_write_region_1: Data too long.\n"));
+	for (i = 0; i < len && error == 0; i += 2)
+		error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8);
+	return error;
+#else
+	usb_device_request_t req;
+
+	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+	req.bRequest = RT2870_WRITE_REGION_1;
+	USETW(req.wValue, 0);
+	USETW(req.wIndex, reg);
+	USETW(req.wLength, len);
+	return run_do_request(sc, &req, buf);
+#endif
+}
+
+static int
+run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int len)
+{
+	int i, error = 0;
+
+	KASSERT((len & 3) == 0, ("run_set_region_4: Invalid data length.\n"));
+	for (i = 0; i < len && error == 0; i += 4)
+		error = run_write(sc, reg + i, val);
+	return error;
+}
+
+/* Read 16-bit from eFUSE ROM (RT3070 only.) */
+static int
+run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
+{
+	uint32_t tmp;
+	uint16_t reg;
+	int error, ntries;
+
+	if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
+		return error;
+
+	addr *= 2;
+	/*-
+	 * Read one 16-byte block into registers EFUSE_DATA[0-3]:
+	 * DATA0: F E D C
+	 * DATA1: B A 9 8
+	 * DATA2: 7 6 5 4
+	 * DATA3: 3 2 1 0
+	 */
+	tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK);
+	tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK;
+	run_write(sc, RT3070_EFUSE_CTRL, tmp);
+	for (ntries = 0; ntries < 100; ntries++) {
+		if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT3070_EFSROM_KICK))
+			break;
+		run_delay(sc, 2);
+	}
+	if (ntries == 100)
+		return ETIMEDOUT;
+
+	if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) {
+		*val = 0xffff;	/* address not found */
+		return 0;
+	}
+	/* determine to which 32-bit register our 16-bit word belongs */
+	reg = RT3070_EFUSE_DATA3 - (addr & 0xc);
+	if ((error = run_read(sc, reg, &tmp)) != 0)
+		return error;
+
+	*val = (addr & 2) ? tmp >> 16 : tmp & 0xffff;
+	return 0;
+}
+
+static int
+run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val)
+{
+	usb_device_request_t req;
+	uint16_t tmp;
+	int error;
+
+	addr *= 2;
+	req.bmRequestType = UT_READ_VENDOR_DEVICE;
+	req.bRequest = RT2870_EEPROM_READ;
+	USETW(req.wValue, 0);
+	USETW(req.wIndex, addr);
+	USETW(req.wLength, sizeof tmp);
+
+	error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, &tmp);
+	if (error == 0)
+		*val = le16toh(tmp);
+	else
+		*val = 0xffff;
+	return error;
+}
+
+static __inline int
+run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val)
+{
+	/* either eFUSE ROM or EEPROM */
+	return sc->sc_srom_read(sc, addr, val);
+}
+
+static int
+run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val)
+{
+	uint32_t tmp;
+	int error, ntries;
+
+	for (ntries = 0; ntries < 10; ntries++) {
+		if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT2860_RF_REG_CTRL))
+			break;
+	}
+	if (ntries == 10)
+		return ETIMEDOUT;
+
+	/* RF registers are 24-bit on the RT2860 */
+	tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT |
+	    (val & 0x3fffff) << 2 | (reg & 3);
+	return run_write(sc, RT2860_RF_CSR_CFG0, tmp);
+}
+
+static int
+run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
+{
+	uint32_t tmp;
+	int error, ntries;
+
+	for (ntries = 0; ntries < 100; ntries++) {
+		if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT3070_RF_KICK))
+			break;
+	}
+	if (ntries == 100)
+		return ETIMEDOUT;
+
+	tmp = RT3070_RF_KICK | reg << 8;
+	if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0)
+		return error;
+
+	for (ntries = 0; ntries < 100; ntries++) {
+		if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT3070_RF_KICK))
+			break;
+	}
+	if (ntries == 100)
+		return ETIMEDOUT;
+
+	*val = tmp & 0xff;
+	return 0;
+}
+
+static int
+run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val)
+{
+	uint32_t tmp;
+	int error, ntries;
+
+	for (ntries = 0; ntries < 10; ntries++) {
+		if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT3070_RF_KICK))
+			break;
+	}
+	if (ntries == 10)
+		return ETIMEDOUT;
+
+	tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val;
+	return run_write(sc, RT3070_RF_CSR_CFG, tmp);
+}
+
+static int
+run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val)
+{
+	uint32_t tmp;
+	int ntries, error;
+
+	for (ntries = 0; ntries < 10; ntries++) {
+		if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT2860_BBP_CSR_KICK))
+			break;
+	}
+	if (ntries == 10)
+		return ETIMEDOUT;
+
+	tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8;
+	if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0)
+		return error;
+
+	for (ntries = 0; ntries < 10; ntries++) {
+		if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT2860_BBP_CSR_KICK))
+			break;
+	}
+	if (ntries == 10)
+		return ETIMEDOUT;
+
+	*val = tmp & 0xff;
+	return 0;
+}
+
+static int
+run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val)
+{
+	uint32_t tmp;
+	int ntries, error;
+
+	for (ntries = 0; ntries < 10; ntries++) {
+		if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT2860_BBP_CSR_KICK))
+			break;
+	}
+	if (ntries == 10)
+		return ETIMEDOUT;
+
+	tmp = RT2860_BBP_CSR_KICK | reg << 8 | val;
+	return run_write(sc, RT2860_BBP_CSR_CFG, tmp);
+}
+
+/*
+ * Send a command to the 8051 microcontroller unit.
+ */
+static int
+run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg)
+{
+	uint32_t tmp;
+	int error, ntries;
+
+	for (ntries = 0; ntries < 100; ntries++) {
+		if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0)
+			return error;
+		if (!(tmp & RT2860_H2M_BUSY))
+			break;
+	}
+	if (ntries == 100)
+		return ETIMEDOUT;
+
+	tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg;
+	if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0)
+		error = run_write(sc, RT2860_HOST_CMD, cmd);
+	return error;
+}
+
+/*
+ * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word.
+ * Used to adjust per-rate Tx power registers.
+ */
+static __inline uint32_t
+b4inc(uint32_t b32, int8_t delta)
+{
+	int8_t i, b4;
+
+	for (i = 0; i < 8; i++) {
+		b4 = b32 & 0xf;
+		b4 += delta;
+		if (b4 < 0)
+			b4 = 0;
+		else if (b4 > 0xf)
+			b4 = 0xf;
+		b32 = b32 >> 4 | b4 << 28;
+	}
+	return b32;
+}
+
+static const char *
+run_get_rf(int rev)
+{
+	switch (rev) {
+	case RT2860_RF_2820:	return "RT2820";
+	case RT2860_RF_2850:	return "RT2850";
+	case RT2860_RF_2720:	return "RT2720";
+	case RT2860_RF_2750:	return "RT2750";
+	case RT3070_RF_3020:	return "RT3020";
+	case RT3070_RF_2020:	return "RT2020";
+	case RT3070_RF_3021:	return "RT3021";
+	case RT3070_RF_3022:	return "RT3022";
+	case RT3070_RF_3052:	return "RT3052";
+	}
+	return "unknown";
+}
+
+int
+run_read_eeprom(struct run_softc *sc)
+{
+	int8_t delta_2ghz, delta_5ghz;
+	uint32_t tmp;
+	uint16_t val;
+	int ridx, ant, i;
+
+	/* check whether the ROM is eFUSE ROM or EEPROM */
+	sc->sc_srom_read = run_eeprom_read_2;
+	if ((sc->mac_rev & 0xfff00000) >= 0x30700000) {
+		run_read(sc, RT3070_EFUSE_CTRL, &tmp);
+		DPRINTF("EFUSE_CTRL=0x%08x\n", tmp);
+		if (tmp & RT3070_SEL_EFUSE)
+			sc->sc_srom_read = run_efuse_read_2;
+	}
+
+	/* read ROM version */
+	run_srom_read(sc, RT2860_EEPROM_VERSION, &val);
+	DPRINTF("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8);
+
+	/* read MAC address */
+	run_srom_read(sc, RT2860_EEPROM_MAC01, &val);
+	sc->sc_bssid[0] = val & 0xff;
+	sc->sc_bssid[1] = val >> 8;
+	run_srom_read(sc, RT2860_EEPROM_MAC23, &val);
+	sc->sc_bssid[2] = val & 0xff;
+	sc->sc_bssid[3] = val >> 8;
+	run_srom_read(sc, RT2860_EEPROM_MAC45, &val);
+	sc->sc_bssid[4] = val & 0xff;
+	sc->sc_bssid[5] = val >> 8;
+
+	/* read default BBP settings */
+	for (i = 0; i < 8; i++) {
+		run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val);
+		sc->bbp[i].val = val & 0xff;
+		sc->bbp[i].reg = val >> 8;
+		DPRINTF("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val);
+	}
+
+	/* read RF frequency offset from EEPROM */
+	run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val);
+	sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0;
+	DPRINTF("EEPROM freq offset %d\n", sc->freq & 0xff);
+
+	if ((sc->leds = val >> 8) != 0xff) {
+		/* read LEDs operating mode */
+		run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]);
+		run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]);
+		run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]);
+	} else {
+		/* broken EEPROM, use default settings */
+		sc->leds = 0x01;
+		sc->led[0] = 0x5555;
+		sc->led[1] = 0x2221;
+		sc->led[2] = 0x5627;	/* differs from RT2860 */
+	}
+	DPRINTF("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n",
+	    sc->leds, sc->led[0], sc->led[1], sc->led[2]);
+
+	/* read RF information */
+	run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val);
+	if (val == 0xffff) {
+		DPRINTF("invalid EEPROM antenna info, using default\n");
+		if ((sc->mac_rev >> 16) >= 0x3070) {
+			/* default to RF3020 1T1R */
+			sc->rf_rev = RT3070_RF_3020;
+			sc->ntxchains = 1;
+			sc->nrxchains = 1;
+		} else {
+			/* default to RF2820 1T2R */
+			sc->rf_rev = RT2860_RF_2820;
+			sc->ntxchains = 1;
+			sc->nrxchains = 2;
+		}
+	} else {
+		sc->rf_rev = (val >> 8) & 0xf;
+		sc->ntxchains = (val >> 4) & 0xf;
+		sc->nrxchains = val & 0xf;
+	}
+	DPRINTF("EEPROM RF rev=0x%02x chains=%dT%dR\n",
+	    sc->rf_rev, sc->ntxchains, sc->nrxchains);
+
+	/* check if RF supports automatic Tx access gain control */
+	run_srom_read(sc, RT2860_EEPROM_CONFIG, &val);
+	DPRINTF("EEPROM CFG 0x%04x\n", val);
+	if ((val & 0xff) != 0xff) {
+		sc->ext_5ghz_lna = (val >> 3) & 1;
+		sc->ext_2ghz_lna = (val >> 2) & 1;
+		sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1;
+	}
+
+	/* read power settings for 2GHz channels */
+	for (i = 0; i < 14; i += 2) {
+		run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val);
+		sc->txpow1[i + 0] = (int8_t)(val & 0xff);
+		sc->txpow1[i + 1] = (int8_t)(val >> 8);
+
+		run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val);
+		sc->txpow2[i + 0] = (int8_t)(val & 0xff);
+		sc->txpow2[i + 1] = (int8_t)(val >> 8);
+	}
+	/* fix broken Tx power entries */
+	for (i = 0; i < 14; i++) {
+		if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31)
+			sc->txpow1[i] = 5;
+		if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31)
+			sc->txpow2[i] = 5;
+		DPRINTF("chan %d: power1=%d, power2=%d\n",
+		    rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]);
+	}
+	/* read power settings for 5GHz channels */
+	for (i = 0; i < 36; i += 2) {
+		run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val);
+		sc->txpow1[i + 14] = (int8_t)(val & 0xff);
+		sc->txpow1[i + 15] = (int8_t)(val >> 8);
+
+		run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val);
+		sc->txpow2[i + 14] = (int8_t)(val & 0xff);
+		sc->txpow2[i + 15] = (int8_t)(val >> 8);
+	}
+	/* fix broken Tx power entries */
+	for (i = 0; i < 36; i++) {
+		if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15)
+			sc->txpow1[14 + i] = 5;
+		if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15)
+			sc->txpow2[14 + i] = 5;
+		DPRINTF("chan %d: power1=%d, power2=%d\n",
+		    rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i],
+		    sc->txpow2[14 + i]);
+	}
+
+	/* read Tx power compensation for each Tx rate */
+	run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val);
+	delta_2ghz = delta_5ghz = 0;
+	if ((val & 0xff) != 0xff && (val & 0x80)) {
+		delta_2ghz = val & 0xf;
+		if (!(val & 0x40))	/* negative number */
+			delta_2ghz = -delta_2ghz;
+	}
+	val >>= 8;
+	if ((val & 0xff) != 0xff && (val & 0x80)) {
+		delta_5ghz = val & 0xf;
+		if (!(val & 0x40))	/* negative number */
+			delta_5ghz = -delta_5ghz;
+	}
+	DPRINTF("power compensation=%d (2GHz), %d (5GHz)\n",
+	    delta_2ghz, delta_5ghz);
+
+	for (ridx = 0; ridx < 5; ridx++) {
+		uint32_t reg;
+
+		run_srom_read(sc, RT2860_EEPROM_RPWR + ridx, &val);
+		reg = (uint32_t)val << 16;
+		run_srom_read(sc, RT2860_EEPROM_RPWR + ridx + 1, &val);
+		reg |= val;
+
+		sc->txpow20mhz[ridx] = reg;
+		sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz);
+		sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz);
+
+		DPRINTF("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, "
+		    "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx],
+		    sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]);
+	}
+
+	/* read RSSI offsets and LNA gains from EEPROM */
+	run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val);
+	sc->rssi_2ghz[0] = val & 0xff;	/* Ant A */
+	sc->rssi_2ghz[1] = val >> 8;	/* Ant B */
+	run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val);
+	sc->rssi_2ghz[2] = val & 0xff;	/* Ant C */
+	sc->lna[2] = val >> 8;		/* channel group 2 */
+
+	run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val);
+	sc->rssi_5ghz[0] = val & 0xff;	/* Ant A */
+	sc->rssi_5ghz[1] = val >> 8;	/* Ant B */
+	run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val);
+	sc->rssi_5ghz[2] = val & 0xff;	/* Ant C */
+	sc->lna[3] = val >> 8;		/* channel group 3 */
+
+	run_srom_read(sc, RT2860_EEPROM_LNA, &val);
+	sc->lna[0] = val & 0xff;	/* channel group 0 */
+	sc->lna[1] = val >> 8;		/* channel group 1 */
+
+	/* fix broken 5GHz LNA entries */
+	if (sc->lna[2] == 0 || sc->lna[2] == 0xff) {
+		DPRINTF("invalid LNA for channel group %d\n", 2);
+		sc->lna[2] = sc->lna[1];
+	}
+	if (sc->lna[3] == 0 || sc->lna[3] == 0xff) {
+		DPRINTF("invalid LNA for channel group %d\n", 3);
+		sc->lna[3] = sc->lna[1];
+	}
+
+	/* fix broken RSSI offset entries */
+	for (ant = 0; ant < 3; ant++) {
+		if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) {
+			DPRINTF("invalid RSSI%d offset: %d (2GHz)\n",
+			    ant + 1, sc->rssi_2ghz[ant]);
+			sc->rssi_2ghz[ant] = 0;
+		}
+		if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) {
+			DPRINTF("invalid RSSI%d offset: %d (5GHz)\n",
+			    ant + 1, sc->rssi_5ghz[ant]);
+			sc->rssi_5ghz[ant] = 0;
+		}
+	}
+	return 0;
+}
+
+struct ieee80211_node *
+run_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
+{
+	return malloc(sizeof (struct run_node), M_DEVBUF, M_NOWAIT | M_ZERO);
+}
+
+static int
+run_media_change(struct ifnet *ifp)
+{
+	const struct ieee80211_txparam *tp;
+	struct run_softc *sc = ifp->if_softc;
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	struct ieee80211vap *vap = &sc->sc_rvp->vap;
+	uint8_t rate, ridx;
+	int error;
+
+	RUN_LOCK(sc);
+
+	error = ieee80211_media_change(ifp);
+	if (error != ENETRESET)
+		RUN_UNLOCK(sc);
+		return error;
+
+	tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
+	if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
+		rate = ic->ic_sup_rates[ic->ic_curmode].
+		    rs_rates[tp->ucastrate] & IEEE80211_RATE_VAL;
+		for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
+			if (rt2860_rates[ridx].rate == rate)
+				break;
+		sc->fixed_ridx = ridx;
+	}
+
+	if ((ifp->if_flags & IFF_UP) &&
+	    (ifp->if_drv_flags &  IFF_DRV_RUNNING)){
+		run_init_locked(sc);
+	}
+
+	RUN_UNLOCK(sc);
+
+	return 0;
+}
+
+static int
+run_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
+{
+	const struct ieee80211_txparam *tp;
+	struct ieee80211com *ic = vap->iv_ic;
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	struct run_vap *rvp = RUN_VAP(vap);
+	enum ieee80211_state ostate;
+	struct ieee80211_node *ni;
+	uint32_t tmp;
+	uint8_t wcid;
+
+	ostate = vap->iv_state;
+	DPRINTF("%s -> %s\n",
+		ieee80211_state_name[ostate],
+		ieee80211_state_name[nstate]);
+
+	IEEE80211_UNLOCK(ic);
+	RUN_LOCK(sc);
+
+	sc->sc_rvp->amrr_run = RUN_AMRR_OFF;
+	usb_callout_stop(&rvp->amrr_ch);
+
+	if (ostate == IEEE80211_S_RUN) {
+		/* turn link LED off */
+		run_set_leds(sc, RT2860_LED_RADIO);
+	}
+
+	switch (nstate) {
+	case IEEE80211_S_INIT:
+		if (ostate == IEEE80211_S_RUN) {
+			/* abort TSF synchronization */
+			run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
+			run_write(sc, RT2860_BCN_TIME_CFG,
+			    tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
+			    RT2860_TBTT_TIMER_EN));
+		}
+		break;
+
+	case IEEE80211_S_RUN:
+		ni = vap->iv_bss;
+
+		if (vap->iv_opmode != IEEE80211_M_MONITOR) {
+			run_updateslot(ic->ic_ifp);
+			run_enable_mrr(sc);
+			run_set_txpreamble(sc);
+			run_set_basicrates(sc);
+			IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
+			run_set_bssid(sc, ni->ni_bssid);
+		}
+
+		if (vap->iv_opmode == IEEE80211_M_STA) {
+			/* add BSS entry to the WCID table */
+			wcid = RUN_AID2WCID(ni->ni_associd);
+			run_write_region_1(sc, RT2860_WCID_ENTRY(wcid),
+			    ni->ni_macaddr, IEEE80211_ADDR_LEN);
+		}
+
+		if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
+		    vap->iv_opmode == IEEE80211_M_IBSS)
+			run_update_beacon_locked(vap, 0);
+
+		if (vap->iv_opmode != IEEE80211_M_MONITOR) {
+			run_enable_tsf_sync(sc);
+		} /* else tsf */
+
+		/* enable automatic rate adaptation */
+		tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
+		if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
+			run_amrr_start(sc, ni);
+
+		/* turn link LED on */
+		run_set_leds(sc, RT2860_LED_RADIO |
+		    (IEEE80211_IS_CHAN_2GHZ(vap->iv_bss->ni_chan) ?
+		     RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ));
+
+		break;
+	default:
+		DPRINTFN(6, "undefined case\n");
+		break;
+	}
+
+	RUN_UNLOCK(sc);
+	IEEE80211_LOCK(ic);
+
+	return(rvp->newstate(vap, nstate, arg));
+}
+
+/* another taskqueue, so usbd_do_request() can go sleep */
+static int
+run_wme_update(struct ieee80211com *ic)
+{
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+
+	ieee80211_runtask(ic, &sc->wme_task);
+
+	/* return whatever, upper layer desn't care anyway */
+	return 0;
+}
+
+/* ARGSUSED */
+static void
+run_wme_update_cb(void *arg, int pending)
+{
+	struct ieee80211com *ic = arg;
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	struct ieee80211_wme_state *wmesp = &ic->ic_wme;
+	int aci, error = 0;
+
+	RUN_LOCK(sc);
+
+	/* update MAC TX configuration registers */
+	for (aci = 0; aci < WME_NUM_AC; aci++) {
+		error = run_write(sc, RT2860_EDCA_AC_CFG(aci),
+		    wmesp->wme_params[aci].wmep_logcwmax << 16 |
+		    wmesp->wme_params[aci].wmep_logcwmin << 12 |
+		    wmesp->wme_params[aci].wmep_aifsn  <<  8 |
+		    wmesp->wme_params[aci].wmep_txopLimit);
+		if(error) goto err;
+	}
+
+	/* update SCH/DMA registers too */
+	error = run_write(sc, RT2860_WMM_AIFSN_CFG,
+	    wmesp->wme_params[WME_AC_VO].wmep_aifsn  << 12 |
+	    wmesp->wme_params[WME_AC_VI].wmep_aifsn  <<  8 |
+	    wmesp->wme_params[WME_AC_BK].wmep_aifsn  <<  4 |
+	    wmesp->wme_params[WME_AC_BE].wmep_aifsn);
+	if(error) goto err;
+	error = run_write(sc, RT2860_WMM_CWMIN_CFG,
+	    wmesp->wme_params[WME_AC_VO].wmep_logcwmin << 12 |
+	    wmesp->wme_params[WME_AC_VI].wmep_logcwmin <<  8 |
+	    wmesp->wme_params[WME_AC_BK].wmep_logcwmin <<  4 |
+	    wmesp->wme_params[WME_AC_BE].wmep_logcwmin);
+	if(error) goto err;
+	error = run_write(sc, RT2860_WMM_CWMAX_CFG,
+	    wmesp->wme_params[WME_AC_VO].wmep_logcwmax << 12 |
+	    wmesp->wme_params[WME_AC_VI].wmep_logcwmax <<  8 |
+	    wmesp->wme_params[WME_AC_BK].wmep_logcwmax <<  4 |
+	    wmesp->wme_params[WME_AC_BE].wmep_logcwmax);
+	if(error) goto err;
+	error = run_write(sc, RT2860_WMM_TXOP0_CFG,
+	    wmesp->wme_params[WME_AC_BK].wmep_txopLimit << 16 |
+	    wmesp->wme_params[WME_AC_BE].wmep_txopLimit);
+	if(error) goto err;
+	error = run_write(sc, RT2860_WMM_TXOP1_CFG,
+	    wmesp->wme_params[WME_AC_VO].wmep_txopLimit << 16 |
+	    wmesp->wme_params[WME_AC_VI].wmep_txopLimit);
+
+err:
+	if(error)
+		DPRINTF("WME update failed\n");
+
+	RUN_UNLOCK(sc);
+	return;
+}
+
+static void
+run_key_update_begin(struct ieee80211vap *vap)
+{
+	/*
+	 * Because run_key_delete() needs special attention
+	 * on lock related operation, lock handling is being done
+	 * differently in run_key_set and _delete.
+	 *
+	 * So, we don't use key_update_begin and _end.
+	 */
+}
+
+static void
+run_key_update_end(struct ieee80211vap *vap)
+{
+	/* null */
+}
+
+/*
+ * return 0 on error
+ */
+static int
+run_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k,
+		const uint8_t mac[IEEE80211_ADDR_LEN])
+{
+	struct ieee80211com *ic = vap->iv_ic;
+	struct ifnet *ifp = ic->ic_ifp;
+	struct run_softc *sc = ifp->if_softc;
+	struct ieee80211_node *ni;
+	uint32_t attr;
+	uint16_t base, associd;
+	uint8_t mode, wcid, txmic, rxmic, iv[8];
+	int error = 0;
+
+	RUN_LOCK(sc);
+
+	if(vap->iv_opmode == IEEE80211_M_HOSTAP){
+		ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
+		associd = (ni != NULL) ? ni->ni_associd : 0;
+		if(ni != NULL)
+			ieee80211_free_node(ni);
+		txmic = 24;
+		rxmic = 16;
+	} else {
+		ni = vap->iv_bss;
+		associd = (ni != NULL) ? ni->ni_associd : 0;
+		txmic = 16;
+		rxmic = 24;
+	}
+
+	/* map net80211 cipher to RT2860 security mode */
+	switch (k->wk_cipher->ic_cipher) {
+	case IEEE80211_CIPHER_WEP:
+		if(k->wk_keylen < 8)
+			mode = RT2860_MODE_WEP40;
+		else
+			mode = RT2860_MODE_WEP104;
+		break;
+	case IEEE80211_CIPHER_TKIP:
+		mode = RT2860_MODE_TKIP;
+		break;
+	case IEEE80211_CIPHER_AES_CCM:
+		mode = RT2860_MODE_AES_CCMP;
+		break;
+	default:
+		DPRINTF("undefined case\n");
+		goto fail;
+	}
+
+	DPRINTFN(1, "associd=%x, keyix=%d, mode=%x, type=%s\n",
+	    associd, k->wk_keyix, mode,
+	    (k->wk_flags & IEEE80211_KEY_GROUP) ? "group" : "pairwise");
+
+	if (k->wk_flags & IEEE80211_KEY_GROUP) {
+		wcid = 0;	/* NB: update WCID0 for group keys */
+		base = RT2860_SKEY(0, k->wk_keyix);
+	} else {
+		wcid = RUN_AID2WCID(associd);
+		base = RT2860_PKEY(wcid);
+	}
+
+	if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
+		if(run_write_region_1(sc, base, k->wk_key, 16))
+			goto fail;
+		if(run_write_region_1(sc, base + 16, &k->wk_key[txmic], 8))	/* wk_txmic */
+			goto fail;
+		if(run_write_region_1(sc, base + 24, &k->wk_key[rxmic], 8))	/* wk_rxmic */
+			goto fail;
+	} else {
+		/* roundup len to 16-bit: XXX fix write_region_1() instead */
+		if(run_write_region_1(sc, base, k->wk_key, (k->wk_keylen + 1) & ~1))
+			goto fail;
+	}
+
+	if (!(k->wk_flags & IEEE80211_KEY_GROUP) ||
+	    (k->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))) {
+		/* set initial packet number in IV+EIV */
+		if (k->wk_cipher == IEEE80211_CIPHER_WEP){
+			memset(iv, 0, sizeof iv);
+			iv[3] = sc->sc_rvp->vap.iv_def_txkey << 6;
+		} else {
+			if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
+				iv[0] = k->wk_keytsc >> 8;
+				iv[1] = (iv[0] | 0x20) & 0x7f;
+				iv[2] = k->wk_keytsc;
+			} else /* CCMP */ {
+				iv[0] = k->wk_keytsc;
+				iv[1] = k->wk_keytsc >> 8;
+				iv[2] = 0;
+			}
+			iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV;
+			iv[4] = k->wk_keytsc >> 16;
+			iv[5] = k->wk_keytsc >> 24;
+			iv[6] = k->wk_keytsc >> 32;
+			iv[7] = k->wk_keytsc >> 40;
+		}
+		if(run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8))
+			goto fail;
+	}
+
+	if (k->wk_flags & IEEE80211_KEY_GROUP) {
+		/* install group key */
+		if(run_read(sc, RT2860_SKEY_MODE_0_7, &attr))
+			goto fail;
+		attr &= ~(0xf << (k->wk_keyix * 4));
+		attr |= mode << (k->wk_keyix * 4);
+		if(run_write(sc, RT2860_SKEY_MODE_0_7, attr))
+			goto fail;
+	} else {
+		/* install pairwise key */
+		if(run_read(sc, RT2860_WCID_ATTR(wcid), &attr))
+			goto fail;
+		attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN;
+		if(run_write(sc, RT2860_WCID_ATTR(wcid), attr))
+			goto fail;
+	}
+
+	/* TODO create a pass-thru key entry? */
+
+fail:
+	RUN_UNLOCK(sc);
+	return (error? 0 : 1);
+}
+
+/*
+ * return 0 on error
+ */
+static int
+run_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
+{
+	struct ieee80211com *ic = vap->iv_ic;
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	struct ieee80211_node *ni = vap->iv_bss;
+	struct ieee80211_node_table *nt = &ic->ic_sta;
+	uint32_t attr;
+	uint8_t wcid;
+	int error = 0;
+	uint8_t nislocked, cislocked;
+
+	if((nislocked = IEEE80211_NODE_IS_LOCKED(nt)))
+		IEEE80211_NODE_UNLOCK(nt);
+	if((cislocked = mtx_owned(&ic->ic_comlock.mtx)))
+		IEEE80211_UNLOCK(ic);
+	RUN_LOCK(sc);
+
+	if (k->wk_flags & IEEE80211_KEY_GROUP) {
+		/* remove group key */
+		if(run_read(sc, RT2860_SKEY_MODE_0_7, &attr))
+			goto fail;
+		attr &= ~(0xf << (k->wk_keyix * 4));
+		if(run_write(sc, RT2860_SKEY_MODE_0_7, attr))
+			goto fail;
+	} else {
+		/* remove pairwise key */
+		wcid = RUN_AID2WCID((ni != NULL) ? ni->ni_associd : 0);
+		if(run_read(sc, RT2860_WCID_ATTR(wcid), &attr))
+			goto fail;
+		attr &= ~0xf;
+		if(run_write(sc, RT2860_WCID_ATTR(wcid), attr))
+			goto fail;
+	}
+
+fail:
+	RUN_UNLOCK(sc);
+	if(cislocked)
+		IEEE80211_LOCK(ic);
+	if(nislocked)
+		IEEE80211_NODE_LOCK(nt);
+
+	return (error? 0 : 1);
+}
+
+static void
+run_amrr_start(struct run_softc *sc, struct ieee80211_node *ni)
+{
+	struct ieee80211vap *vap = ni->ni_vap;
+	struct run_vap *rvp = RUN_VAP(vap);
+	uint32_t sta[3];
+	uint8_t wcid;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	/* read statistic counters (clear on read) and update AMRR state */
+	run_read_region_1(sc, RT2860_TX_STA_CNT0,
+	    (uint8_t *)sta, sizeof sta);
+
+	wcid = RUN_AID2WCID(ni == NULL ? 0 : ni->ni_associd);
+	ieee80211_amrr_node_init(&rvp->amrr, &rvp->amn[wcid], ni);
+
+	/* start at lowest available bit-rate, AMRR will raise */
+	ni->ni_txrate = 2;
+
+	/* start calibration timer */
+	rvp->amrr_run = RUN_AMRR_ON;
+	usb_callout_reset(&rvp->amrr_ch, hz, run_amrr_to, rvp);
+}
+
+static void
+run_amrr_to(void *arg)
+{
+	struct run_vap *rvp = arg;
+
+	/* do it in a process context, so it can go sleep */
+	ieee80211_runtask(rvp->vap.iv_ic, &rvp->amrr_task);
+	/* next timeout will be rescheduled in the callback task */
+}
+
+/* ARGSUSED */
+static void
+run_amrr_cb(void *arg, int pending)
+{
+	struct run_vap *rvp = arg;
+	struct ieee80211vap *vap = &rvp->vap;
+	struct ieee80211com *ic = vap->iv_ic;
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+
+	if (ic->ic_opmode == IEEE80211_M_STA)
+		run_iter_func(rvp, vap->iv_bss);
+	else {
+		/*
+		 * run_reset_livelock() doesn't do anything with AMRR,
+		 * but Ralink wants us to call it every 1 sec. So, we
+		 * piggyback here rather than creating another callout.
+		 * Livelock may occur only in HOSTAP or IBSS mode
+		 * (when h/w is sending beacons).
+		 */
+		RUN_LOCK(sc);
+		run_reset_livelock(sc);
+		RUN_UNLOCK(sc);
+		ieee80211_iterate_nodes(&ic->ic_sta, run_iter_func, rvp);
+	}
+
+	if(rvp->amrr_run == RUN_AMRR_ON)
+		usb_callout_reset(&rvp->amrr_ch, hz, run_amrr_to, rvp);
+}
+
+
+static void
+run_iter_func(void *arg, struct ieee80211_node *ni)
+{
+	struct run_vap *rvp = arg;
+	struct ieee80211com *ic = rvp->vap.iv_ic;
+	struct ifnet *ifp = ic->ic_ifp;
+	struct run_softc *sc = ifp->if_softc;
+	struct ieee80211_node_table *nt = &ic->ic_sta;
+	struct ieee80211_amrr_node *amn = &rvp->amn[0]; /* make compiler happy */
+	uint32_t sta[3], stat;
+	int error;
+	uint8_t wcid, mcs, pid;
+
+	if(ic->ic_opmode != IEEE80211_M_STA)
+		IEEE80211_NODE_ITERATE_UNLOCK(nt);
+
+	RUN_LOCK(sc);
+
+	if(ic->ic_opmode != IEEE80211_M_STA){
+		/* drain Tx status FIFO (maxsize = 16) */
+		run_read(sc, RT2860_TX_STAT_FIFO, &stat);
+		while (stat & RT2860_TXQ_VLD) {
+			DPRINTFN(4, "tx stat 0x%08x\n", stat);
+
+			wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff;
+
+			/* if no ACK was requested, no feedback is available */
+			if (!(stat & RT2860_TXQ_ACKREQ) || wcid == 0xff)
+				continue;
+
+			/* update per-STA AMRR stats */
+			amn = &rvp->amn[wcid];
+			amn->amn_txcnt++;
+			if (stat & RT2860_TXQ_OK) {
+				amn->amn_success++;
+				/*
+				 * Check if there were retries, ie if the Tx
+				 * success rate is different from the requested
+				 * rate.  Note that it works only because we do
+				 * not allow rate fallback from OFDM to CCK.
+				 */
+				mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f;
+				pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf;
+				if (mcs + 1 != pid)
+					amn->amn_retrycnt++;
+			} else {
+				amn->amn_retrycnt++;
+				ifp->if_oerrors++;
+			}
+			run_read_region_1(sc, RT2860_TX_STAT_FIFO,
+			    (uint8_t *)&stat, sizeof stat);
+		}
+		DPRINTFN(3, "retrycnt=%d txcnt=%d success=%d\n",
+		    amn->amn_retrycnt, amn->amn_txcnt, amn->amn_success);
+	} else {
+		/* read statistic counters (clear on read) and update AMRR state */
+		error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta,
+		    sizeof sta);
+		if (error != 0)
+			goto skip;
+
+		DPRINTFN(3, "retrycnt=%d txcnt=%d failcnt=%d\n",
+		    le32toh(sta[1]) >> 16, le32toh(sta[1]) & 0xffff,
+		    le32toh(sta[0]) & 0xffff);
+
+		wcid = RUN_AID2WCID(ni == NULL ? 0 : ni->ni_associd);
+		amn = &rvp->amn[wcid];
+
+		/* count failed TX as errors */
+		ifp->if_oerrors += le32toh(sta[0]) & 0xffff;
+
+		amn->amn_retrycnt =
+		    (le32toh(sta[0]) & 0xffff) +	/* failed TX count */
+		    (le32toh(sta[1]) >> 16);		/* TX retransmission count */
+
+		amn->amn_txcnt =
+		    amn->amn_retrycnt +
+		    (le32toh(sta[1]) & 0xffff);		/* successful TX count */
+
+		amn->amn_success =
+		    (le32toh(sta[1]) >> 16) +
+		    (le32toh(sta[1]) & 0xffff);
+	}
+
+	ieee80211_amrr_choose(ni, amn);
+
+skip:;
+	RUN_UNLOCK(sc);
+
+	if(ic->ic_opmode != IEEE80211_M_STA)
+		IEEE80211_NODE_ITERATE_LOCK(nt);
+}
+
+static void
+run_newassoc(struct ieee80211_node *ni, int isnew)
+{
+	struct run_node *rn = (void *)ni;
+	struct ieee80211_rateset *rs = &ni->ni_rates;
+	uint8_t rate;
+	int ridx, i, j;
+
+	DPRINTF("new assoc isnew=%d addr=%s\n",
+	    isnew, ether_sprintf(ni->ni_macaddr));
+
+	for (i = 0; i < rs->rs_nrates; i++) {
+		rate = rs->rs_rates[i] & IEEE80211_RATE_VAL;
+		/* convert 802.11 rate to hardware rate index */
+		for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
+			if (rt2860_rates[ridx].rate == rate)
+				break;
+		rn->ridx[i] = ridx;
+		/* determine rate of control response frames */
+		for (j = i; j >= 0; j--) {
+			if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) &&
+			    rt2860_rates[rn->ridx[i]].phy ==
+			    rt2860_rates[rn->ridx[j]].phy)
+				break;
+		}
+		if (j >= 0) {
+			rn->ctl_ridx[i] = rn->ridx[j];
+		} else {
+			/* no basic rate found, use mandatory one */
+			rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx;
+		}
+		DPRINTF("rate=0x%02x ridx=%d ctl_ridx=%d\n",
+		    rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]);
+	}
+}
+
+/*
+ * Return the Rx chain with the highest RSSI for a given frame.
+ */
+static __inline uint8_t
+run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi)
+{
+	uint8_t rxchain = 0;
+
+	if (sc->nrxchains > 1) {
+		if (rxwi->rssi[1] > rxwi->rssi[rxchain])
+			rxchain = 1;
+		if (sc->nrxchains > 2)
+			if (rxwi->rssi[2] > rxwi->rssi[rxchain])
+				rxchain = 2;
+	}
+	return rxchain;
+}
+
+static void
+run_rx_frame(struct run_softc *sc, struct mbuf *m, uint32_t dmalen)
+{
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211vap *vap = &sc->sc_rvp->vap;
+	struct ieee80211com *ic = ifp->if_l2com;
+	struct ieee80211_frame *wh;
+	struct ieee80211_node *ni;
+	struct rt2870_rxd *rxd;
+	struct rt2860_rxwi *rxwi;
+	uint32_t flags;
+	uint16_t len, phy;
+	uint8_t ant, rssi;
+	int8_t nf;
+
+	rxwi = mtod(m, struct rt2860_rxwi *);
+	len = le16toh(rxwi->len) & 0xfff;
+	if (__predict_false(len > dmalen)) {
+		m_freem(m);
+		ifp->if_ierrors++;
+		DPRINTF("bad RXWI length %u > %u\n", len, dmalen);
+		return;
+	}
+	/* Rx descriptor is located at the end */
+	rxd = (struct rt2870_rxd *)(mtod(m, caddr_t) + dmalen);
+	flags = le32toh(rxd->flags);
+
+	if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) {
+		m_freem(m);
+		ifp->if_ierrors++;
+		DPRINTF("%s error.\n", (flags & RT2860_RX_CRCERR)?"CRC":"ICV");
+		return;
+	}
+
+	m->m_data += sizeof(struct rt2860_rxwi);
+	m->m_pkthdr.len = m->m_len -= sizeof(struct rt2860_rxwi);
+
+	wh = mtod(m, struct ieee80211_frame *);
+
+	if (wh->i_fc[1] & IEEE80211_FC1_WEP){
+		wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
+		m->m_flags |= M_WEP;
+	}
+
+	if (flags & RT2860_RX_L2PAD){
+		DPRINTFN(8, "received RT2860_RX_L2PAD frame\n");
+		len += 2;
+	}
+
+	if (__predict_false(flags & RT2860_RX_MICERR)) {
+		/* report MIC failures to net80211 for TKIP */
+		ieee80211_notify_michael_failure(vap, wh, rxwi->keyidx);
+		m_freem(m);
+		ifp->if_ierrors++;
+		DPRINTF("MIC error. Someone is lying.\n");
+		return;
+	}
+
+	ant = run_maxrssi_chain(sc, rxwi);
+	rssi = rxwi->rssi[ant];
+	nf = run_rssi2dbm(sc, rssi, ant);
+
+	m->m_pkthdr.rcvif = ifp;
+	m->m_pkthdr.len = m->m_len = len;
+
+	ni = ieee80211_find_rxnode(ic,
+	    mtod(m, struct ieee80211_frame_min *));
+	if (ni != NULL) {
+		(void)ieee80211_input(ni, m, rssi, nf);
+		ieee80211_free_node(ni);
+	} else {
+		(void)ieee80211_input_all(ic, m, rssi, nf);
+	}
+
+	if(__predict_false(ieee80211_radiotap_active(ic))){
+		struct run_rx_radiotap_header *tap = &sc->sc_rxtap;
+
+		tap->wr_flags = 0;
+		tap->wr_chan_freq = htole16(ic->ic_bsschan->ic_freq);
+		tap->wr_chan_flags = htole16(ic->ic_bsschan->ic_flags);
+		tap->wr_antsignal = rssi;
+		tap->wr_antenna = ant;
+		tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant);
+		tap->wr_rate = 2;	/* in case it can't be found below */
+		phy = le16toh(rxwi->phy);
+		switch (phy & RT2860_PHY_MODE) {
+		case RT2860_PHY_CCK:
+			switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) {
+			case 0:	tap->wr_rate =   2; break;
+			case 1:	tap->wr_rate =   4; break;
+			case 2:	tap->wr_rate =  11; break;
+			case 3:	tap->wr_rate =  22; break;
+			}
+			if (phy & RT2860_PHY_SHPRE)
+				tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
+			break;
+		case RT2860_PHY_OFDM:
+			switch (phy & RT2860_PHY_MCS) {
+			case 0:	tap->wr_rate =  12; break;
+			case 1:	tap->wr_rate =  18; break;
+			case 2:	tap->wr_rate =  24; break;
+			case 3:	tap->wr_rate =  36; break;
+			case 4:	tap->wr_rate =  48; break;
+			case 5:	tap->wr_rate =  72; break;
+			case 6:	tap->wr_rate =  96; break;
+			case 7:	tap->wr_rate = 108; break;
+			}
+			break;
+		}
+	}
+}
+
+static void
+run_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
+{
+	struct run_softc *sc = usbd_xfer_softc(xfer);
+	struct ifnet *ifp = sc->sc_ifp;
+	struct mbuf *m = NULL;
+	struct mbuf *m0;
+	uint32_t dmalen;
+	int xferlen;
+
+	usbd_xfer_status(xfer, &xferlen, NULL, NULL, NULL);
+
+	switch (USB_GET_STATE(xfer)) {
+	case USB_ST_TRANSFERRED:
+
+		DPRINTFN(15, "rx done, actlen=%d\n", xferlen);
+
+		if (xferlen < sizeof (uint32_t) +
+		    sizeof (struct rt2860_rxwi) + sizeof (struct rt2870_rxd)) {
+			DPRINTF("xfer too short %d\n", xferlen);
+			goto tr_setup;
+		}
+
+		m = sc->rx_m;
+		sc->rx_m = NULL;
+
+		/* FALLTHROUGH */
+	case USB_ST_SETUP:
+tr_setup:
+		if (sc->rx_m == NULL) {
+			sc->rx_m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
+			    MJUMPAGESIZE /* xfer can be bigger than MCLBYTES */);
+		}
+		if (sc->rx_m == NULL) {
+			DPRINTF("could not allocate mbuf - idle with stall\n");
+			ifp->if_ierrors++;
+			usbd_xfer_set_stall(xfer);
+			usbd_xfer_set_frames(xfer, 0);
+		} else {
+			/*
+			 * Directly loading a mbuf cluster into DMA to
+			 * save some data copying. This works because
+			 * there is only one cluster.
+			 */
+			usbd_xfer_set_frame_data(xfer, 0, 
+			    mtod(sc->rx_m, caddr_t), RUN_MAX_RXSZ);
+			usbd_xfer_set_frames(xfer, 1);
+		}
+		usbd_transfer_submit(xfer);
+		break;
+
+	default:	/* Error */
+		if (error != USB_ERR_CANCELLED) {
+			/* try to clear stall first */
+			usbd_xfer_set_stall(xfer);
+
+			if (error == USB_ERR_TIMEOUT)
+				device_printf(sc->sc_dev, "device timeout\n");
+
+			ifp->if_ierrors++;
+
+			goto tr_setup;
+		}
+		if(sc->rx_m != NULL){
+			m_freem(sc->rx_m);
+			sc->rx_m = NULL;
+		}
+		break;
+	}
+
+	if (m == NULL)
+		return;
+
+	/* inputting all the frames must be last */
+
+	RUN_UNLOCK(sc);
+
+	m->m_pkthdr.len = m->m_len = xferlen;
+
+	/* HW can aggregate multiple 802.11 frames in a single USB xfer */
+	for(;;) {
+		dmalen = le32toh(*mtod(m, uint32_t *)) & 0xffff;
+
+		if ((dmalen == 0) || ((dmalen & 3) != 0)) {
+			DPRINTF("bad DMA length %u\n", dmalen);
+			break;
+		}
+		if ((dmalen + 8) > xferlen) {
+			DPRINTF("bad DMA length %u > %d\n",
+			dmalen + 8, xferlen);
+			break;
+		}
+
+		/* If it is the last one or a single frame, we won't copy. */
+		if((xferlen -= dmalen + 8) <= 8){
+			/* trim 32-bit DMA-len header */
+			m->m_data += 4;
+			m->m_pkthdr.len = m->m_len -= 4;
+			run_rx_frame(sc, m, dmalen);
+			break;
+		}
+
+		/* copy aggregated frames to another mbuf */
+		m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
+		if (__predict_false(m0 == NULL)) {
+			DPRINTF("could not allocate mbuf\n");
+			ifp->if_ierrors++;
+			break;
+		}
+		m_copydata(m, 4 /* skip 32-bit DMA-len header */,
+		    dmalen + sizeof(struct rt2870_rxd), mtod(m0, caddr_t));
+		m0->m_pkthdr.len = m0->m_len =
+		    dmalen + sizeof(struct rt2870_rxd);
+		run_rx_frame(sc, m0, dmalen);
+
+		/* update data ptr */
+		m->m_data += dmalen + 8;
+		m->m_pkthdr.len = m->m_len -= dmalen + 8;
+	}
+
+	RUN_LOCK(sc);
+}
+
+static void
+run_tx_free(struct run_endpoint_queue *pq,
+    struct run_tx_data *data, int txerr)
+{
+	if (data->m != NULL) {
+		if (data->m->m_flags & M_TXCB)
+			ieee80211_process_callback(data->ni, data->m,
+			    txerr ? ETIMEDOUT : 0);
+		m_freem(data->m);
+		data->m = NULL;
+
+		if(data->ni == NULL) {
+			DPRINTF("no node\n");
+		} else {
+			ieee80211_free_node(data->ni);
+			data->ni = NULL;
+		}
+	}
+
+	STAILQ_INSERT_TAIL(&pq->tx_fh, data, next);
+	pq->tx_nfree++;
+}
+
+static void
+run_bulk_tx_callbackN(struct usb_xfer *xfer, usb_error_t error, unsigned int index)
+{
+	struct run_softc *sc = usbd_xfer_softc(xfer);
+	struct ifnet *ifp = sc->sc_ifp;
+	struct run_tx_data *data;
+	struct ieee80211vap *vap = NULL;
+	struct usb_page_cache *pc;
+	struct run_endpoint_queue *pq = &sc->sc_epq[index];
+	struct mbuf *m;
+	usb_frlength_t size;
+	unsigned int len;
+	int actlen;
+	int sumlen;
+
+	usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
+
+	switch (USB_GET_STATE(xfer)){
+	case USB_ST_TRANSFERRED:
+		DPRINTFN(11, "transfer complete: %d "
+		    "bytes @ index %d\n", actlen, index);
+
+		data = usbd_xfer_get_priv(xfer);
+
+		run_tx_free(pq, data, 0);
+		ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+
+		usbd_xfer_set_priv(xfer, NULL);
+
+		ifp->if_opackets++;
+
+		/* FALLTHROUGH */
+	case USB_ST_SETUP:
+tr_setup:
+		data = STAILQ_FIRST(&pq->tx_qh);
+		if(data == NULL)
+			break;
+
+		STAILQ_REMOVE_HEAD(&pq->tx_qh, next);
+
+		m = data->m;
+		if (m->m_pkthdr.len > RUN_MAX_TXSZ) {
+			DPRINTF("data overflow, %u bytes\n",
+			    m->m_pkthdr.len);
+
+			ifp->if_oerrors++;
+
+			run_tx_free(pq, data, 1);
+
+			goto tr_setup;
+		}
+
+		pc = usbd_xfer_get_frame(xfer, 0);
+		size = sizeof(data->desc);
+		usbd_copy_in(pc, 0, &data->desc, size);
+		usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len);
+
+		vap = data->ni->ni_vap;
+		if (ieee80211_radiotap_active_vap(vap)) {
+			struct run_tx_radiotap_header *tap = &sc->sc_txtap;
+
+			tap->wt_flags = 0;
+			tap->wt_rate = rt2860_rates[data->ridx].rate;
+			tap->wt_chan_freq = htole16(vap->iv_bss->ni_chan->ic_freq);
+			tap->wt_chan_flags = htole16(vap->iv_bss->ni_chan->ic_flags);
+			tap->wt_hwqueue = index;
+			if (data->mcs & RT2860_PHY_SHPRE)
+				tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
+
+			ieee80211_radiotap_tx(vap, m);
+		}
+
+		/* align end on a 4-bytes boundary */
+		len = (size + m->m_pkthdr.len + 3) & ~3;
+
+		DPRINTFN(11, "sending frame len=%u xferlen=%u @ index %d\n",
+			m->m_pkthdr.len, len, index);
+
+		usbd_xfer_set_frame_len(xfer, 0, len);
+		usbd_xfer_set_priv(xfer, data);
+
+		usbd_transfer_submit(xfer);
+
+		RUN_UNLOCK(sc);
+		run_start(ifp);
+		RUN_LOCK(sc);
+
+		break;
+
+	default:
+		DPRINTF("USB transfer error, %s\n",
+		    usbd_errstr(error));
+
+		data = usbd_xfer_get_priv(xfer);
+
+		ifp->if_oerrors++;
+
+		if (data != NULL) {
+			run_tx_free(pq, data, error);
+			usbd_xfer_set_priv(xfer, NULL);
+		}
+
+		if (error != USB_ERR_CANCELLED) {
+			if (error == USB_ERR_TIMEOUT) {
+				device_printf(sc->sc_dev, "device timeout\n");
+				ieee80211_runtask(ifp->if_l2com, &sc->usb_timeout_task);
+			}
+
+			/*
+			 * Try to clear stall first, also if other
+			 * errors occur, hence clearing stall
+			 * introduces a 50 ms delay:
+			 */
+			usbd_xfer_set_stall(xfer);
+			goto tr_setup;
+		}
+		break;
+	}
+}
+
+static void
+run_bulk_tx_callback0(struct usb_xfer *xfer, usb_error_t error)
+{
+	run_bulk_tx_callbackN(xfer, error, 0);
+}
+
+static void
+run_bulk_tx_callback1(struct usb_xfer *xfer, usb_error_t error)
+{
+	run_bulk_tx_callbackN(xfer, error, 1);
+}
+
+static void
+run_bulk_tx_callback2(struct usb_xfer *xfer, usb_error_t error)
+{
+	run_bulk_tx_callbackN(xfer, error, 2);
+}
+
+static void
+run_bulk_tx_callback3(struct usb_xfer *xfer, usb_error_t error)
+{
+	run_bulk_tx_callbackN(xfer, error, 3);
+}
+
+static void
+run_bulk_tx_callback4(struct usb_xfer *xfer, usb_error_t error)
+{
+	run_bulk_tx_callbackN(xfer, error, 4);
+}
+
+static void
+run_bulk_tx_callback5(struct usb_xfer *xfer, usb_error_t error)
+{
+	run_bulk_tx_callbackN(xfer, error, 5);
+}
+
+static void
+run_set_tx_desc(struct run_softc *sc, struct run_tx_data *data,
+	uint8_t wflags, uint8_t xflags, uint8_t opflags, uint8_t dflags,
+	uint8_t type, uint8_t pad)
+{
+	struct mbuf *m = data->m;
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	struct ieee80211vap *vap = &sc->sc_rvp->vap;
+	struct ieee80211_frame *wh;
+	struct rt2870_txd *txd;
+	struct rt2860_txwi *txwi;
+	int xferlen;
+	uint8_t mcs;
+	uint8_t ridx = data->ridx;
+
+	/* get MCS code from rate index */
+	data->mcs = mcs = rt2860_rates[ridx].mcs;
+
+	xferlen = sizeof(*txwi) + m->m_pkthdr.len;
+
+	/* roundup to 32-bit alignment */
+	xferlen = (xferlen + 3) & ~3;
+
+	txd = (struct rt2870_txd *)&data->desc;
+	txd->flags = dflags;
+	txd->len = htole16(xferlen);
+
+	/* setup TX Wireless Information */
+	txwi = (struct rt2860_txwi *)(txd + 1);
+	txwi->flags = wflags;
+	txwi->xflags = xflags;
+	txwi->wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
+	    RUN_AID2WCID(data->ni->ni_associd) : 0xff;
+	txwi->len = htole16(m->m_pkthdr.len - pad);
+	if (rt2860_rates[ridx].phy == IEEE80211_T_DS) {
+		txwi->phy = htole16(RT2860_PHY_CCK);
+		if (ridx != RT2860_RIDX_CCK1 &&
+		    (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
+			mcs |= RT2860_PHY_SHPRE;
+	} else
+		txwi->phy = htole16(RT2860_PHY_OFDM);
+	txwi->phy |= htole16(mcs);
+
+	wh = mtod(m, struct ieee80211_frame *);
+
+	/* check if RTS/CTS or CTS-to-self protection is required */
+	if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
+	    (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold ||
+	     ((ic->ic_flags & IEEE80211_F_USEPROT) &&
+	      rt2860_rates[ridx].phy == IEEE80211_T_OFDM)))
+		txwi->txop = RT2860_TX_TXOP_HT | opflags;
+	else
+		txwi->txop = RT2860_TX_TXOP_BACKOFF | opflags;
+}
+
+/* This function must be called locked */
+static int
+run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
+{
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	struct ieee80211vap *vap = &sc->sc_rvp->vap;
+	struct ieee80211_frame *wh;
+	const struct ieee80211_txparam *tp;
+	struct run_tx_data *data;
+	uint16_t qos;
+	uint16_t dur;
+	uint8_t type;
+	uint8_t tid;
+	uint8_t qid;
+	uint8_t qflags;
+	uint8_t pad;
+	uint8_t xflags = 0;
+	int hasqos;
+	int ridx;
+	int ctl_ridx;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	wh = mtod(m, struct ieee80211_frame *);
+
+	type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
+
+	/*
+	 * There are 7 bulk endpoints: 1 for RX
+	 * and 6 for TX (4 EDCAs + HCCA + Prio).
+	 * Update 03-14-2009:  some devices like the Planex GW-US300MiniS
+	 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
+	 */
+	if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) {
+		uint8_t *frm;
+
+		if(IEEE80211_HAS_ADDR4(wh))
+			frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos;
+		else
+			frm =((struct ieee80211_qosframe *)wh)->i_qos;
+
+		qos = le16toh(*(const uint16_t *)frm);
+		tid = qos & IEEE80211_QOS_TID;
+		qid = TID_TO_WME_AC(tid);
+		pad = 2;
+	} else {
+		qos = 0;
+		tid = 0;
+		qid = WME_AC_BE;
+		pad = 0;
+	}
+	qflags = (qid < 4) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_HCCA;
+
+	DPRINTFN(8, "qos %d\tqid %d\ttid %d\tqflags %x\n",
+	    qos, qid, tid, qflags);
+
+	tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
+
+	/* pickup a rate index */
+	if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
+	    type != IEEE80211_FC0_TYPE_DATA) {
+		ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ?
+		    RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1;
+		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
+	} else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
+		ridx = sc->fixed_ridx;
+		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
+	} else {
+		for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++){
+		        if (rt2860_rates[ridx].rate == ni->ni_txrate)
+		                break;
+		}
+		ctl_ridx = rt2860_rates[ridx].ctl_ridx;
+	}
+
+	if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
+	    (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) !=
+	     IEEE80211_QOS_ACKPOLICY_NOACK)) {
+		xflags |= RT2860_TX_ACK;
+		if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
+			dur = rt2860_rates[ridx].sp_ack_dur;
+		else
+			dur = rt2860_rates[ridx].lp_ack_dur;
+		*(uint16_t *)wh->i_dur = htole16(dur + sc->sifs);
+	}
+
+	/* reserve slots for mgmt packets, just in case */
+	if (sc->sc_epq[qid].tx_nfree < 3) {
+		DPRINTFN(10, "tx ring %d is full\n", qid);
+		return (-1);
+	}
+
+	data = STAILQ_FIRST(&sc->sc_epq[qid].tx_fh);
+	STAILQ_REMOVE_HEAD(&sc->sc_epq[qid].tx_fh, next);
+	sc->sc_epq[qid].tx_nfree--;
+
+	data->m = m;
+	data->ni = ni;
+	data->ridx = ridx;
+
+	run_set_tx_desc(sc, data, 0, xflags, 0, qflags, type, pad);
+
+        STAILQ_INSERT_TAIL(&sc->sc_epq[qid].tx_qh, data, next);
+
+	usbd_transfer_start(sc->sc_xfer[qid]);
+
+	DPRINTFN(8, "sending data frame len=%d rate=%d qid=%d\n", m->m_pkthdr.len +
+	    (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)),
+	    rt2860_rates[ridx].rate, qid);
+
+	return (0);
+}
+
+static int
+run_tx_mgt(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
+{
+	const struct ieee80211_txparam *tp;
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211vap *vap = ni->ni_vap;
+	struct ieee80211com *ic = ifp->if_l2com;
+	struct run_tx_data *data;
+	struct ieee80211_frame *wh;
+	int ridx;
+	uint16_t dur;
+	uint8_t type;
+	uint8_t xflags = 0;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	wh = mtod(m, struct ieee80211_frame *);
+
+	type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
+	tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
+
+	if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+		xflags |= RT2860_TX_ACK;
+
+		dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 
+		    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
+		*(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_SUBTYPE_MASK)) ==
+		    (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
+			xflags |= RT2860_TX_TS;
+	}
+
+	if (sc->sc_epq[0].tx_nfree == 0) {
+		/* let caller free mbuf */
+		ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+		return (EIO);
+	}
+	data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
+	STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
+	sc->sc_epq[0].tx_nfree--;
+
+	data->m = m;
+	data->ni = ni;
+	for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
+		if (rt2860_rates[ridx].rate == tp->mgmtrate)
+			break;
+	data->ridx = ridx;
+
+	run_set_tx_desc(sc, data, 0, xflags, 0, RT2860_TX_QSEL_MGMT,
+	    wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK, 0);
+
+	DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", m->m_pkthdr.len +
+	    (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)),
+	    tp->mgmtrate);
+
+	STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
+
+	usbd_transfer_start(sc->sc_xfer[0]);
+
+	return (0);
+}
+
+static int
+run_sendprot(struct run_softc *sc,
+    const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
+{
+	struct ieee80211com *ic = ni->ni_ic;
+	struct ieee80211_frame *wh;
+	struct run_tx_data *data;
+	struct mbuf *mprot;
+	int ridx;
+	int protrate;
+	int ackrate;
+	int pktlen;
+	int isshort;
+	uint16_t dur;
+	uint8_t type;
+	uint8_t wflags;
+	uint8_t txflags = 0;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
+	    ("protection %d", prot));
+
+	wh = mtod(m, struct ieee80211_frame *);
+	pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
+	type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
+
+	protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
+	ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
+
+	isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
+	dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort);
+	    + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
+	wflags = RT2860_TX_FRAG;
+
+	/* check that there are free slots before allocating the mbuf */
+	if (sc->sc_epq[0].tx_nfree == 0) {
+		/* let caller free mbuf */
+		sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+		return (ENOBUFS);
+	}
+
+	if (prot == IEEE80211_PROT_RTSCTS) {
+		/* NB: CTS is the same size as an ACK */
+		dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
+		txflags |= RT2860_TX_ACK;
+		mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
+	} else {
+		mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
+	}
+	if (mprot == NULL) {
+		sc->sc_ifp->if_oerrors++;
+		DPRINTF("could not allocate mbuf\n");
+		return (ENOBUFS);
+	}
+
+        data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
+        STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
+        sc->sc_epq[0].tx_nfree--;
+
+	data->m = mprot;
+	data->ni = ieee80211_ref_node(ni);
+
+	for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
+		if (rt2860_rates[ridx].rate == protrate)
+			break;
+	data->ridx = ridx;
+
+	run_set_tx_desc(sc, data, wflags, txflags, 0,
+	    RT2860_TX_QSEL_EDCA, type, 0);
+
+        DPRINTFN(1, "sending prot len=%u rate=%u\n",
+            m->m_pkthdr.len, rate);
+
+        STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
+
+	usbd_transfer_start(sc->sc_xfer[0]);
+
+	return (0);
+}
+
+static int
+run_tx_param(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
+    const struct ieee80211_bpf_params *params)
+{
+	struct ieee80211com *ic = ni->ni_ic;
+	struct ieee80211_frame *wh;
+	struct run_tx_data *data;
+	uint8_t type;
+	uint8_t opflags;
+	uint8_t txflags;
+	int ridx;
+	int rate;
+	int error;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	KASSERT(params != NULL, ("no raw xmit params"));
+
+	wh = mtod(m, struct ieee80211_frame *);
+	type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
+
+	rate = params->ibp_rate0;
+	if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
+		/* let caller free mbuf */
+		return (EINVAL);
+	}
+
+	opflags = 0;
+	txflags = 0;
+	if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
+		txflags |= RT2860_TX_ACK;
+	if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
+		error = run_sendprot(sc, m, ni,
+		    params->ibp_flags & IEEE80211_BPF_RTS ?
+			IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
+		    rate);
+		if (error) {
+			/* let caller free mbuf */
+			return (error);
+		}
+		opflags |= /*XXX RT2573_TX_LONG_RETRY |*/ RT2860_TX_TXOP_SIFS;
+	}
+
+	if (sc->sc_epq[0].tx_nfree == 0) {
+		/* let caller free mbuf */
+		sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+		DPRINTF("sending raw frame, but tx ring is full\n");
+		return (EIO);
+	}
+        data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh);
+        STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next);
+        sc->sc_epq[0].tx_nfree--;
+
+        data->m = m;
+        data->ni = ni;
+	for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++)
+		if (rt2860_rates[ridx].rate == rate)
+			break;
+	data->ridx = ridx;
+
+        run_set_tx_desc(sc, data, 0, txflags, opflags, 
+	    RT2860_TX_QSEL_EDCA, type, 0);
+
+        DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
+            m->m_pkthdr.len, rate);
+
+        STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next);
+
+	usbd_transfer_start(sc->sc_xfer[0]);
+
+        return (0); 
+}
+
+static int
+run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
+    const struct ieee80211_bpf_params *params)
+{
+	struct ifnet *ifp = ni->ni_ic->ic_ifp;
+	struct run_softc *sc = ifp->if_softc;
+	int error;
+
+	RUN_LOCK(sc);
+
+	/* prevent management frames from being sent if we're not ready */
+	if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
+		error =  ENETDOWN;
+		goto bad;
+	}
+
+	if (params == NULL) {
+		/* tx mgt packet */
+		if ((error = run_tx_mgt(sc, m, ni)) != 0){
+			ifp->if_oerrors++;
+			DPRINTF("mgt tx failed\n");
+			goto bad;
+		}
+	} else {
+		/* tx raw packet with param */
+		if ((error = run_tx_param(sc, m, ni, params)) != 0){
+			ifp->if_oerrors++;
+			DPRINTF("tx with param failed\n");
+			goto bad;
+		}
+	}
+
+	ifp->if_opackets++;
+
+	RUN_UNLOCK(sc);
+
+	return (0);
+
+bad:
+	RUN_UNLOCK(sc);
+	if(m != NULL)
+		m_freem(m);
+	ieee80211_free_node(ni);
+
+	return (error);
+}
+
+static void
+run_start(struct ifnet *ifp)
+{
+	struct run_softc *sc = ifp->if_softc;
+	struct ieee80211_node *ni;
+	struct mbuf *m;
+
+	RUN_LOCK(sc);
+
+	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
+		RUN_UNLOCK(sc);
+		return;
+	}
+
+	for (;;) {
+		/* send data frames */
+		IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
+		if (m == NULL)
+			break;
+
+		ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
+		if (run_tx(sc, m, ni) != 0) {
+			IFQ_DRV_PREPEND(&ifp->if_snd, m);
+			ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+			break;
+		}
+	}
+
+	RUN_UNLOCK(sc);
+}
+
+static int
+run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+	struct run_softc *sc = ifp->if_softc;
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	struct ifreq *ifr = (struct ifreq *) data;
+	int error = 0, startall = 0;
+
+	switch (cmd) {
+	case SIOCSIFFLAGS:
+		RUN_LOCK(sc);
+		if (ifp->if_flags & IFF_UP) {
+			if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)){
+				run_init_locked(sc);
+				startall = 1;
+			} else
+				run_update_promisc_locked(ifp);
+		} else {
+			if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+				run_stop(sc);
+		}
+		RUN_UNLOCK(sc);
+		if(startall)
+		    ieee80211_start_all(ic);
+		break;
+	case SIOCGIFMEDIA:
+		error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
+		break;
+	case SIOCGIFADDR:
+		error = ether_ioctl(ifp, cmd, data);
+		break;
+	default:
+		error = EINVAL;
+		break;
+	}
+
+	return (error);
+}
+
+static void
+run_select_chan_group(struct run_softc *sc, int group)
+{
+	uint32_t tmp;
+
+	run_bbp_write(sc, 62, 0x37 - sc->lna[group]);
+	run_bbp_write(sc, 63, 0x37 - sc->lna[group]);
+	run_bbp_write(sc, 64, 0x37 - sc->lna[group]);
+	run_bbp_write(sc, 86, 0x00);
+
+	if (group == 0) {
+		if (sc->ext_2ghz_lna) {
+			run_bbp_write(sc, 82, 0x62);
+			run_bbp_write(sc, 75, 0x46);
+		} else {
+			run_bbp_write(sc, 82, 0x84);
+			run_bbp_write(sc, 75, 0x50);
+		}
+	} else {
+		if (sc->ext_5ghz_lna) {
+			run_bbp_write(sc, 82, 0xf2);
+			run_bbp_write(sc, 75, 0x46);
+		} else {
+			run_bbp_write(sc, 82, 0xf2);
+			run_bbp_write(sc, 75, 0x50);
+		}
+	}
+
+	run_read(sc, RT2860_TX_BAND_CFG, &tmp);
+	tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P);
+	tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P;
+	run_write(sc, RT2860_TX_BAND_CFG, tmp);
+
+	/* enable appropriate Power Amplifiers and Low Noise Amplifiers */
+	tmp = RT2860_RFTR_EN | RT2860_TRSW_EN;
+	if (group == 0) {	/* 2GHz */
+		tmp |= RT2860_PA_PE_G0_EN | RT2860_LNA_PE_G0_EN;
+		if (sc->ntxchains > 1)
+			tmp |= RT2860_PA_PE_G1_EN;
+		if (sc->nrxchains > 1)
+			tmp |= RT2860_LNA_PE_G1_EN;
+	} else {		/* 5GHz */
+		tmp |= RT2860_PA_PE_A0_EN | RT2860_LNA_PE_A0_EN;
+		if (sc->ntxchains > 1)
+			tmp |= RT2860_PA_PE_A1_EN;
+		if (sc->nrxchains > 1)
+			tmp |= RT2860_LNA_PE_A1_EN;
+	}
+	run_write(sc, RT2860_TX_PIN_CFG, tmp);
+
+	/* set initial AGC value */
+	if (group == 0)
+		run_bbp_write(sc, 66, 0x2e + sc->lna[0]);
+	else
+		run_bbp_write(sc, 66, 0x32 + (sc->lna[group] * 5) / 3);
+}
+
+static void
+run_rt2870_set_chan(struct run_softc *sc, uint32_t chan)
+{
+	const struct rfprog *rfprog = rt2860_rf2850;
+	uint32_t r2, r3, r4;
+	int8_t txpow1, txpow2;
+	int i;
+
+	/* find the settings for this channel (we know it exists) */
+	for (i = 0; rfprog[i].chan != chan; i++);
+
+	r2 = rfprog[i].r2;
+	if (sc->ntxchains == 1)
+		r2 |= 1 << 12;		/* 1T: disable Tx chain 2 */
+	if (sc->nrxchains == 1)
+		r2 |= 1 << 15 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
+	else if (sc->nrxchains == 2)
+		r2 |= 1 << 4;		/* 2R: disable Rx chain 3 */
+
+	/* use Tx power values from EEPROM */
+	txpow1 = sc->txpow1[i];
+	txpow2 = sc->txpow2[i];
+	if (chan > 14) {
+		if (txpow1 >= 0)
+			txpow1 = txpow1 << 1;
+		else
+			txpow1 = (7 + txpow1) << 1 | 1;
+		if (txpow2 >= 0)
+			txpow2 = txpow2 << 1;
+		else
+			txpow2 = (7 + txpow2) << 1 | 1;
+	}
+	r3 = rfprog[i].r3 | txpow1 << 7;
+	r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4;
+
+	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
+	run_rt2870_rf_write(sc, RT2860_RF2, r2);
+	run_rt2870_rf_write(sc, RT2860_RF3, r3);
+	run_rt2870_rf_write(sc, RT2860_RF4, r4);
+
+	run_delay(sc, 10);
+
+	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
+	run_rt2870_rf_write(sc, RT2860_RF2, r2);
+	run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1);
+	run_rt2870_rf_write(sc, RT2860_RF4, r4);
+
+	run_delay(sc, 10);
+
+	run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1);
+	run_rt2870_rf_write(sc, RT2860_RF2, r2);
+	run_rt2870_rf_write(sc, RT2860_RF3, r3);
+	run_rt2870_rf_write(sc, RT2860_RF4, r4);
+}
+
+static void
+run_rt3070_set_chan(struct run_softc *sc, uint32_t chan)
+{
+	int8_t txpow1, txpow2;
+	uint8_t rf;
+
+	/* RT3070 is 2GHz only */
+	KASSERT(chan >= 1 && chan <= 14, ("wrong channel selected\n"));
+
+	/* use Tx power values from EEPROM */
+	txpow1 = sc->txpow1[chan - 1];
+	txpow2 = sc->txpow2[chan - 1];
+
+	run_rt3070_rf_write(sc, 2, run_rf3020_freqs[chan - 1].n);
+	run_rt3070_rf_write(sc, 3, run_rf3020_freqs[chan - 1].k);
+	run_rt3070_rf_read(sc, 6, &rf);
+	rf = (rf & ~0x03) | run_rf3020_freqs[chan - 1].r;
+	run_rt3070_rf_write(sc, 6, rf);
+
+	/* set Tx0 power */
+	run_rt3070_rf_read(sc, 12, &rf);
+	rf = (rf & ~0x1f) | txpow1;
+	run_rt3070_rf_write(sc, 12, rf);
+
+	/* set Tx1 power */
+	run_rt3070_rf_read(sc, 13, &rf);
+	rf = (rf & ~0x1f) | txpow2;
+	run_rt3070_rf_write(sc, 13, rf);
+
+	run_rt3070_rf_read(sc, 1, &rf);
+	rf &= ~0xfc;
+	if (sc->ntxchains == 1)
+		rf |= 1 << 7 | 1 << 5;	/* 1T: disable Tx chains 2 & 3 */
+	else if (sc->ntxchains == 2)
+		rf |= 1 << 7;		/* 2T: disable Tx chain 3 */
+	if (sc->nrxchains == 1)
+		rf |= 1 << 6 | 1 << 4;	/* 1R: disable Rx chains 2 & 3 */
+	else if (sc->nrxchains == 2)
+		rf |= 1 << 6;		/* 2R: disable Rx chain 3 */
+	run_rt3070_rf_write(sc, 1, rf);
+
+	/* set RF offset */
+	run_rt3070_rf_read(sc, 23, &rf);
+	rf = (rf & ~0x7f) | sc->freq;
+	run_rt3070_rf_write(sc, 23, rf);
+
+	/* program RF filter */
+	run_rt3070_rf_write(sc, 24, sc->rf24_20mhz);
+	run_rt3070_rf_write(sc, 31, sc->rf24_20mhz);
+
+	/* enable RF tuning */
+	run_rt3070_rf_read(sc, 7, &rf);
+	run_rt3070_rf_write(sc, 7, rf | 0x01);
+}
+
+static void
+run_set_rx_antenna(struct run_softc *sc, int aux)
+{
+	uint32_t tmp;
+
+	if (aux) {
+		run_read(sc, RT2860_PCI_EECTRL, &tmp);
+		run_write(sc, RT2860_PCI_EECTRL, tmp & ~RT2860_C);
+		run_read(sc, RT2860_GPIO_CTRL, &tmp);
+		run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08);
+	} else {
+		run_read(sc, RT2860_PCI_EECTRL, &tmp);
+		run_write(sc, RT2860_PCI_EECTRL, tmp | RT2860_C);
+		run_read(sc, RT2860_GPIO_CTRL, &tmp);
+		run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808);
+	}
+}
+
+static int
+run_set_chan(struct run_softc *sc, struct ieee80211_channel *c)
+{
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	uint32_t chan, group;
+
+	chan = ieee80211_chan2ieee(ic, c);
+	if (chan == 0 || chan == IEEE80211_CHAN_ANY)
+		return EINVAL;
+
+	if ((sc->mac_rev >> 16) >= 0x3070)
+		run_rt3070_set_chan(sc, chan);
+	else
+		run_rt2870_set_chan(sc, chan);
+
+	/* 802.11a uses a 16 microseconds short interframe space */
+	sc->sifs = IEEE80211_IS_CHAN_5GHZ(c) ? 16 : 10;
+
+	/* determine channel group */
+	if (chan <= 14)
+		group = 0;
+	else if (chan <= 64)
+		group = 1;
+	else if (chan <= 128)
+		group = 2;
+	else
+		group = 3;
+
+	/* XXX necessary only when group has changed! */
+	run_select_chan_group(sc, group);
+
+	run_delay(sc, 10);
+
+	return 0;
+}
+
+static void
+run_set_channel(struct ieee80211com *ic)
+{
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+
+	RUN_LOCK(sc);
+	run_set_chan(sc, ic->ic_curchan);
+	RUN_UNLOCK(sc);
+
+	return;
+}
+
+static void
+run_scan_start(struct ieee80211com *ic)
+{
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	uint32_t tmp;
+
+	RUN_LOCK(sc);
+
+	/* abort TSF synchronization */
+	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
+	run_write(sc, RT2860_BCN_TIME_CFG,
+	    tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
+	    RT2860_TBTT_TIMER_EN));
+	run_set_bssid(sc, sc->sc_ifp->if_broadcastaddr);
+
+	RUN_UNLOCK(sc);
+
+	return;
+}
+
+static void
+run_scan_end(struct ieee80211com *ic)
+{
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+
+	RUN_LOCK(sc);
+
+	run_enable_tsf_sync(sc);
+	/* XXX keep local copy */
+	run_set_bssid(sc, sc->sc_bssid);
+
+	RUN_UNLOCK(sc);
+
+	return;
+}
+
+static uint8_t
+run_rate2mcs(uint8_t rate)
+{
+	switch (rate) {
+	/* CCK rates */
+	case 2:		return 0;
+	case 4:		return 1;
+	case 11:	return 2;
+	case 22:	return 3;
+	/* OFDM rates */
+	case 12:	return 0;
+	case 18:	return 1;
+	case 24:	return 2;
+	case 36:	return 3;
+	case 48:	return 4;
+	case 72:	return 5;
+	case 96:	return 6;
+	case 108:	return 7;
+	}
+	return 0;	/* shouldn't get here */
+}
+
+static void
+run_update_beacon_locked(struct ieee80211vap *vap, int item)
+{
+	struct ieee80211com *ic = vap->iv_ic;
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	struct rt2860_txwi txwi;
+	struct mbuf *m;
+	int rate;
+
+	if ((m = ieee80211_beacon_alloc(vap->iv_bss, &RUN_VAP(vap)->bo)) == NULL)
+	        return;
+
+	memset(&txwi, 0, sizeof txwi);
+	txwi.wcid = 0xff;
+	txwi.len = htole16(m->m_pkthdr.len);
+	/* send beacons at the lowest available rate */
+	rate = (ic->ic_curmode == IEEE80211_MODE_11A) ? 12 : 2;
+	txwi.phy = htole16(run_rate2mcs(rate));
+	if (rate == 12)
+	        txwi.phy |= htole16(RT2860_PHY_OFDM);
+	txwi.txop = RT2860_TX_TXOP_HT;
+	txwi.flags = RT2860_TX_TS;
+
+	run_write_region_1(sc, RT2860_BCN_BASE(0),
+	    (u_int8_t *)&txwi, sizeof txwi);
+	run_write_region_1(sc, RT2860_BCN_BASE(0) + sizeof txwi,
+	    mtod(m, uint8_t *), (m->m_pkthdr.len + 1) & ~1);	/* roundup len */
+
+	m_freem(m);
+
+	return;
+}
+
+static void
+run_update_beacon(struct ieee80211vap *vap, int item)
+{
+	struct ieee80211com *ic = vap->iv_ic;
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+
+	IEEE80211_UNLOCK(ic);
+	RUN_LOCK(sc);
+	run_update_beacon_locked(vap, item);
+	RUN_UNLOCK(sc);
+	IEEE80211_LOCK(ic);
+
+	return;
+}
+
+static void
+run_updateprot(struct ieee80211com *ic)
+{
+	struct run_softc *sc = ic->ic_ifp->if_softc;
+	uint32_t tmp;
+
+	tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL;
+	/* setup protection frame rate (MCS code) */
+	tmp |= (ic->ic_curmode == IEEE80211_MODE_11A) ?
+	    rt2860_rates[RT2860_RIDX_OFDM6].mcs :
+	    rt2860_rates[RT2860_RIDX_CCK11].mcs;
+
+	/* CCK frames don't require protection */
+	run_write(sc, RT2860_CCK_PROT_CFG, tmp);
+	if (ic->ic_flags & IEEE80211_F_USEPROT) {
+		if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
+			tmp |= RT2860_PROT_CTRL_RTS_CTS;
+		else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
+			tmp |= RT2860_PROT_CTRL_CTS;
+	}
+	run_write(sc, RT2860_OFDM_PROT_CFG, tmp);
+}
+
+static void
+run_usb_timeout_cb(void *arg, int pending)
+{
+	struct run_softc *sc = arg;
+	struct ieee80211vap *vap = &sc->sc_rvp->vap;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	if(vap->iv_state == IEEE80211_S_RUN &&
+	    vap->iv_opmode != IEEE80211_M_STA)
+		run_reset_livelock(sc);
+	else if(vap->iv_state == IEEE80211_S_SCAN){
+		DPRINTF("timeout caused by scan\n");
+		/* cancel bgscan */
+		ieee80211_cancel_scan(vap);
+	} else
+		DPRINTF("timeout by unknown cause\n");
+}
+
+static void
+run_reset_livelock(struct run_softc *sc)
+{
+	uint32_t tmp;
+
+	/*
+	 * In IBSS or HostAP modes (when the hardware sends beacons), the MAC
+	 * can run into a livelock and start sending CTS-to-self frames like
+	 * crazy if protection is enabled.  Reset MAC/BBP for a while
+	 */
+	run_read(sc, RT2860_DEBUG, &tmp);
+	if((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))){
+		DPRINTF("CTS-to-self livelock detected\n");
+		run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST);
+		run_delay(sc, 1);
+		run_write(sc, RT2860_MAC_SYS_CTRL,
+		    RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
+	}
+}
+
+static void
+run_update_promisc_locked(struct ifnet *ifp)
+{
+	struct run_softc *sc = ifp->if_softc;
+        uint32_t tmp;
+
+	run_read(sc, RT2860_RX_FILTR_CFG, &tmp);
+
+	tmp |= RT2860_DROP_UC_NOME;
+        if (ifp->if_flags & IFF_PROMISC)
+		tmp &= ~RT2860_DROP_UC_NOME;
+
+	run_write(sc, RT2860_RX_FILTR_CFG, tmp);
+
+        DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
+            "entering" : "leaving");
+}
+
+static void
+run_update_promisc(struct ifnet *ifp)
+{
+	struct run_softc *sc = ifp->if_softc;
+
+	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
+		return;
+
+	RUN_LOCK(sc);
+	run_update_promisc_locked(ifp);
+	RUN_UNLOCK(sc);
+}
+
+static void
+run_enable_tsf_sync(struct run_softc *sc)
+{
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211com *ic = ifp->if_l2com;
+	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
+	uint32_t tmp;
+
+	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
+	tmp &= ~0x1fffff;
+	tmp |= vap->iv_bss->ni_intval * 16;
+	tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN;
+
+	if (vap->iv_opmode == IEEE80211_M_STA) {
+		/*
+		 * Local TSF is always updated with remote TSF on beacon
+		 * reception.
+		 */
+		tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT;
+	} else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+	        tmp |= RT2860_BCN_TX_EN;
+	        /*
+	         * Local TSF is updated with remote TSF on beacon reception
+	         * only if the remote TSF is greater than local TSF.
+	         */
+	        tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT;
+	} else if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
+	        tmp |= RT2860_BCN_TX_EN;
+	        /* SYNC with nobody */
+	        tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT;
+	} else
+		DPRINTF("Enabling TSF failed. undefined opmode\n");
+
+	run_write(sc, RT2860_BCN_TIME_CFG, tmp);
+}
+
+static void
+run_enable_mrr(struct run_softc *sc)
+{
+#define CCK(mcs)	(mcs)
+#define OFDM(mcs)	(1 << 3 | (mcs))
+	run_write(sc, RT2860_LG_FBK_CFG0,
+	    OFDM(6) << 28 |	/* 54->48 */
+	    OFDM(5) << 24 |	/* 48->36 */
+	    OFDM(4) << 20 |	/* 36->24 */
+	    OFDM(3) << 16 |	/* 24->18 */
+	    OFDM(2) << 12 |	/* 18->12 */
+	    OFDM(1) <<  8 |	/* 12-> 9 */
+	    OFDM(0) <<  4 |	/*  9-> 6 */
+	    OFDM(0));		/*  6-> 6 */
+
+	run_write(sc, RT2860_LG_FBK_CFG1,
+	    CCK(2) << 12 |	/* 11->5.5 */
+	    CCK(1) <<  8 |	/* 5.5-> 2 */
+	    CCK(0) <<  4 |	/*   2-> 1 */
+	    CCK(0));		/*   1-> 1 */
+#undef OFDM
+#undef CCK
+}
+
+static void
+run_set_txpreamble(struct run_softc *sc)
+{
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	uint32_t tmp;
+
+	run_read(sc, RT2860_AUTO_RSP_CFG, &tmp);
+	if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
+		tmp |= RT2860_CCK_SHORT_EN;
+	else
+		tmp &= ~RT2860_CCK_SHORT_EN;
+	run_write(sc, RT2860_AUTO_RSP_CFG, tmp);
+}
+
+static void
+run_set_basicrates(struct run_softc *sc)
+{
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+
+	/* set basic rates mask */
+	if (ic->ic_curmode == IEEE80211_MODE_11B)
+		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003);
+	else if (ic->ic_curmode == IEEE80211_MODE_11A)
+		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150);
+	else	/* 11g */
+		run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f);
+}
+
+static void
+run_set_leds(struct run_softc *sc, uint16_t which)
+{
+	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS,
+	    which | (sc->leds & 0x7f));
+}
+
+static void
+run_set_bssid(struct run_softc *sc, const uint8_t *bssid)
+{
+	run_write(sc, RT2860_MAC_BSSID_DW0,
+	    bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
+	run_write(sc, RT2860_MAC_BSSID_DW1,
+	    bssid[4] | bssid[5] << 8);
+}
+
+static void
+run_set_macaddr(struct run_softc *sc, const uint8_t *addr)
+{
+	run_write(sc, RT2860_MAC_ADDR_DW0,
+	    addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
+	run_write(sc, RT2860_MAC_ADDR_DW1,
+	    addr[4] | addr[5] << 8 | 0xff << 16);
+}
+
+/* ARGSUSED */
+static void
+run_updateslot(struct ifnet *ifp)
+{
+	struct run_softc *sc = ifp->if_softc;
+	struct ieee80211com *ic = ifp->if_l2com;
+	uint32_t tmp;
+
+	run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp);
+	tmp &= ~0xff;
+	tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
+	run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp);
+}
+
+static int8_t
+run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain)
+{
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	struct ieee80211_channel *c = ic->ic_curchan;
+	int delta;
+
+	if (IEEE80211_IS_CHAN_5GHZ(c)) {
+		uint32_t chan = ieee80211_chan2ieee(ic, c);
+		delta = sc->rssi_5ghz[rxchain];
+
+		/* determine channel group */
+		if (chan <= 64)
+			delta -= sc->lna[1];
+		else if (chan <= 128)
+			delta -= sc->lna[2];
+		else
+			delta -= sc->lna[3];
+	} else
+		delta = sc->rssi_2ghz[rxchain] - sc->lna[0];
+
+	return -12 - delta - rssi;
+}
+
+static int
+run_bbp_init(struct run_softc *sc)
+{
+	int i, error, ntries;
+	uint8_t bbp0;
+
+	/* wait for BBP to wake up */
+	for (ntries = 0; ntries < 20; ntries++) {
+		if ((error = run_bbp_read(sc, 0, &bbp0)) != 0)
+			return error;
+		if (bbp0 != 0 && bbp0 != 0xff)
+			break;
+	}
+	if (ntries == 20)
+		return ETIMEDOUT;
+
+	/* initialize BBP registers to default values */
+	for (i = 0; i < nitems(rt2860_def_bbp); i++) {
+		run_bbp_write(sc, rt2860_def_bbp[i].reg,
+		    rt2860_def_bbp[i].val);
+	}
+
+	/* fix BBP84 for RT2860E */
+	if ((sc->mac_rev >> 16) == 0x2860 && (sc->mac_rev & 0xffff) != 0x0101)
+		run_bbp_write(sc,  84, 0x19);
+
+	if ((sc->mac_rev >> 16) >= 0x3070) {
+		run_bbp_write(sc, 79, 0x13);
+		run_bbp_write(sc, 80, 0x05);
+		run_bbp_write(sc, 81, 0x33);
+		/* XXX RT3090 needs more */
+	} else if (sc->mac_rev == 0x28600100) {
+		run_bbp_write(sc, 69, 0x16);
+		run_bbp_write(sc, 73, 0x12);
+	}
+	return 0;
+}
+
+static int
+run_rt3070_rf_init(struct run_softc *sc)
+{
+	uint32_t tmp;
+	uint8_t rf, bbp4;
+	int i;
+
+	run_rt3070_rf_read(sc, 30, &rf);
+	/* toggle RF R30 bit 7 */
+	run_rt3070_rf_write(sc, 30, rf | 0x80);
+	run_delay(sc, 10);
+	run_rt3070_rf_write(sc, 30, rf & ~0x80);
+
+	/* initialize RF registers to default value */
+	for (i = 0; i < nitems(rt3070_def_rf); i++) {
+		run_rt3070_rf_write(sc, rt3070_def_rf[i].reg,
+		    rt3070_def_rf[i].val);
+	}
+	if ((sc->mac_rev >> 16) == 0x3070) {
+		/* change voltage from 1.2V to 1.35V for RT3070 */
+		run_read(sc, RT3070_LDO_CFG0, &tmp);
+		tmp = (tmp & ~0x0f000000) | 0x0d000000;
+		run_write(sc, RT3070_LDO_CFG0, tmp);
+
+	} else if ((sc->mac_rev >> 16) == 0x3071) {
+		run_rt3070_rf_read(sc, 6, &rf);
+		run_rt3070_rf_write(sc, 6, rf | 0x40);
+		run_rt3070_rf_write(sc, 31, 0x14);
+
+		run_read(sc, RT3070_LDO_CFG0, &tmp);
+		tmp &= ~0x1f000000;
+		if ((sc->mac_rev & 0xffff) < 0x0211)
+			tmp |= 0x0d000000;
+		else
+			tmp |= 0x01000000;
+		run_write(sc, RT3070_LDO_CFG0, tmp);
+
+		/* patch LNA_PE_G1 */
+		run_read(sc, RT3070_GPIO_SWITCH, &tmp);
+		run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20);
+	} else if((sc->mac_rev >> 16) == 0x3572){
+		if ((sc->mac_rev & 0xffff) < 0x0211){
+			run_read(sc, RT3070_LDO_CFG0, &tmp);
+			tmp = (tmp & ~0x0f000000) | 0x0d000000;
+			run_write(sc, RT3070_LDO_CFG0, tmp);
+		} else {
+			run_read(sc, RT3070_LDO_CFG0, &tmp);
+			tmp = (tmp & ~0x1f000000) | 0x0d000000;
+			run_write(sc, RT3070_LDO_CFG0, tmp);
+
+			run_delay(sc, 1);	/* wait for 1msec */
+
+			tmp = (tmp & ~0x1f000000) | 0x01000000;
+			run_write(sc, RT3070_LDO_CFG0, tmp);
+		}
+	}
+
+	/* select 20MHz bandwidth */
+	run_rt3070_rf_read(sc, 31, &rf);
+	run_rt3070_rf_write(sc, 31, rf & ~0x20);
+
+	/* calibrate filter for 20MHz bandwidth */
+	sc->rf24_20mhz = 0x1f;	/* default value */
+	run_rt3070_filter_calib(sc, 0x07, 0x16, &sc->rf24_20mhz);
+
+	/* select 40MHz bandwidth */
+	run_bbp_read(sc, 4, &bbp4);
+	run_bbp_write(sc, 4, (bbp4 & ~0x08) | 0x10);
+
+	/* calibrate filter for 40MHz bandwidth */
+	sc->rf24_40mhz = 0x2f;	/* default value */
+	run_rt3070_filter_calib(sc, 0x27, 0x19, &sc->rf24_40mhz);
+
+	/* go back to 20MHz bandwidth */
+	run_bbp_read(sc, 4, &bbp4);
+	run_bbp_write(sc, 4, bbp4 & ~0x18);
+
+	if ((sc->mac_rev & 0xffff) < 0x0211)
+		run_rt3070_rf_write(sc, 27, 0x03);
+
+	run_read(sc, RT3070_OPT_14, &tmp);
+	run_write(sc, RT3070_OPT_14, tmp | 1);
+
+	if ((sc->mac_rev >> 16) == 0x3071) {
+		run_rt3070_rf_read(sc, 1, &rf);
+		rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD);
+		rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD;
+		run_rt3070_rf_write(sc, 1, rf);
+
+		run_rt3070_rf_read(sc, 15, &rf);
+		run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2);
+
+		run_rt3070_rf_read(sc, 17, &rf);
+		rf &= ~RT3070_TX_LO1;
+		if ((sc->mac_rev & 0xffff) >= 0x0211 && !sc->ext_2ghz_lna)
+			rf |= 0x20;	/* fix for long range Rx issue */
+		run_rt3070_rf_write(sc, 17, rf);
+
+		run_rt3070_rf_read(sc, 20, &rf);
+		run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1);
+
+		run_rt3070_rf_read(sc, 21, &rf);
+		run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2);
+
+		run_rt3070_rf_read(sc, 27, &rf);
+		rf &= ~0x77;
+		if ((sc->mac_rev & 0xffff) < 0x0211)
+			rf |= 0x03;
+		run_rt3070_rf_write(sc, 27, rf);
+	}
+	return 0;
+}
+
+static int
+run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target,
+    uint8_t *val)
+{
+	uint8_t rf22, rf24;
+	uint8_t bbp55_pb, bbp55_sb, delta;
+	int ntries;
+
+	/* program filter */
+	rf24 = init;	/* initial filter value */
+	run_rt3070_rf_write(sc, 24, rf24);
+
+	/* enable baseband loopback mode */
+	run_rt3070_rf_read(sc, 22, &rf22);
+	run_rt3070_rf_write(sc, 22, rf22 | 0x01);
+
+	/* set power and frequency of passband test tone */
+	run_bbp_write(sc, 24, 0x00);
+	for (ntries = 0; ntries < 100; ntries++) {
+		/* transmit test tone */
+		run_bbp_write(sc, 25, 0x90);
+		run_delay(sc, 10);
+		/* read received power */
+		run_bbp_read(sc, 55, &bbp55_pb);
+		if (bbp55_pb != 0)
+			break;
+	}
+	if (ntries == 100)
+		return ETIMEDOUT;
+
+	/* set power and frequency of stopband test tone */
+	run_bbp_write(sc, 24, 0x06);
+	for (ntries = 0; ntries < 100; ntries++) {
+		/* transmit test tone */
+		run_bbp_write(sc, 25, 0x90);
+		run_delay(sc, 10);
+		/* read received power */
+		run_bbp_read(sc, 55, &bbp55_sb);
+
+		delta = bbp55_pb - bbp55_sb;
+		if (delta > target)
+			break;
+
+		/* reprogram filter */
+		rf24++;
+		run_rt3070_rf_write(sc, 24, rf24);
+	}
+	if (ntries < 100) {
+		if (rf24 != init)
+			rf24--;	/* backtrack */
+		*val = rf24;
+		run_rt3070_rf_write(sc, 24, rf24);
+	}
+
+	/* restore initial state */
+	run_bbp_write(sc, 24, 0x00);
+
+	/* disable baseband loopback mode */
+	run_rt3070_rf_read(sc, 22, &rf22);
+	run_rt3070_rf_write(sc, 22, rf22 & ~0x01);
+
+	return 0;
+}
+
+static int
+run_txrx_enable(struct run_softc *sc)
+{
+	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
+	uint32_t tmp;
+	int error, ntries;
+
+	run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN);
+	for (ntries = 0; ntries < 200; ntries++) {
+		if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0)
+			return error;
+		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
+			break;
+		run_delay(sc, 50);
+	}
+	if (ntries == 200)
+		return ETIMEDOUT;
+
+	run_delay(sc, 50);
+
+	tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE;
+	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
+
+	/* enable Rx bulk aggregation (set timeout and limit) */
+	tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN |
+	    RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2);
+	run_write(sc, RT2860_USB_DMA_CFG, tmp);
+
+	/* set Rx filter */
+	tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR;
+	if (ic->ic_opmode != IEEE80211_M_MONITOR) {
+		tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL |
+		    RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK |
+		    RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV |
+		    RT2860_DROP_CFACK | RT2860_DROP_CFEND;
+		if (ic->ic_opmode == IEEE80211_M_STA)
+			tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL;
+	}
+	run_write(sc, RT2860_RX_FILTR_CFG, tmp);
+
+	run_write(sc, RT2860_MAC_SYS_CTRL,
+	    RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
+
+	return 0;
+}
+
+static void
+run_init_locked(struct run_softc *sc)
+{
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211com *ic = ifp->if_l2com;
+	struct ieee80211vap *vap = &sc->sc_rvp->vap;
+	uint32_t tmp;
+	uint8_t bbp1, bbp3;
+	int i;
+	int ridx;
+	int ntries;
+
+	run_stop(sc);
+
+	for (ntries = 0; ntries < 100; ntries++) {
+		if (run_read(sc, RT2860_ASIC_VER_ID, &tmp) != 0)
+			goto fail;
+		if (tmp != 0 && tmp != 0xffffffff)
+			break;
+		run_delay(sc, 10);
+	}
+	if (ntries == 100)
+		goto fail;
+
+	for (i = 0; i != RUN_EP_QUEUES; i++)
+		run_setup_tx_list(sc, &sc->sc_epq[i]);
+
+	run_set_macaddr(sc, IF_LLADDR(ifp));
+
+	for (ntries = 0; ntries < 100; ntries++) {
+		if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0)
+			goto fail;
+		if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0)
+			break;
+		run_delay(sc, 10);
+	}
+	if (ntries == 100) {
+		printf("%s: timeout waiting for DMA engine\n",
+		    device_get_nameunit(sc->sc_dev));
+		goto fail;
+	}
+	tmp &= 0xff0;
+	tmp |= RT2860_TX_WB_DDONE;
+	run_write(sc, RT2860_WPDMA_GLO_CFG, tmp);
+
+	/* turn off PME_OEN to solve high-current issue */
+	run_read(sc, RT2860_SYS_CTRL, &tmp);
+	run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN);
+
+	run_write(sc, RT2860_MAC_SYS_CTRL,
+	    RT2860_BBP_HRST | RT2860_MAC_SRST);
+	run_write(sc, RT2860_USB_DMA_CFG, 0);
+
+	if (run_reset(sc) != 0) {
+		printf("%s: could not reset chipset\n",
+		    device_get_nameunit(sc->sc_dev));
+		goto fail;
+	}
+
+	run_write(sc, RT2860_MAC_SYS_CTRL, 0);
+
+	/* init Tx power for all Tx rates (from EEPROM) */
+	for (ridx = 0; ridx < 5; ridx++) {
+		if (sc->txpow20mhz[ridx] == 0xffffffff)
+			continue;
+		run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]);
+	}
+
+	for (i = 0; i < nitems(rt2870_def_mac); i++)
+		run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val);
+	run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273);
+	run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344);
+	run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa);
+
+	if ((sc->mac_rev >> 16) >= 0x3070) {
+		/* set delay of PA_PE assertion to 1us (unit of 0.25us) */
+		run_write(sc, RT2860_TX_SW_CFG0,
+		    4 << RT2860_DLY_PAPE_EN_SHIFT);
+		run_write(sc, RT2860_TX_SW_CFG1, 0);
+		run_write(sc, RT2860_TX_SW_CFG2, 0x1f);
+	}
+
+	/* wait while MAC is busy */
+	for (ntries = 0; ntries < 100; ntries++) {
+		if (run_read(sc, RT2860_MAC_STATUS_REG, &tmp) != 0)
+			goto fail;
+		if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY)))
+			break;
+		run_delay(sc, 10);
+	}
+	if (ntries == 100)
+		goto fail;
+
+	/* clear Host to MCU mailbox */
+	run_write(sc, RT2860_H2M_BBPAGENT, 0);
+	run_write(sc, RT2860_H2M_MAILBOX, 0);
+	run_delay(sc, 10);
+
+	if (run_bbp_init(sc) != 0) {
+		printf("%s: could not initialize BBP\n",
+		    device_get_nameunit(sc->sc_dev));
+		goto fail;
+	}
+
+	/* abort TSF synchronization */
+	run_read(sc, RT2860_BCN_TIME_CFG, &tmp);
+	tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN |
+	    RT2860_TBTT_TIMER_EN);
+	run_write(sc, RT2860_BCN_TIME_CFG, tmp);
+
+	/* clear RX WCID search table */
+	run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512);
+	/* clear WCID attribute table */
+	run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32);
+	/* clear shared key table */
+	run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32);
+	/* clear shared key mode */
+	run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4);
+
+	run_read(sc, RT2860_US_CYC_CNT, &tmp);
+	tmp = (tmp & ~0xff) | 0x1e;
+	run_write(sc, RT2860_US_CYC_CNT, tmp);
+
+	if ((sc->mac_rev >> 16) == 0x2860 && (sc->mac_rev & 0xffff) != 0x0101)
+		run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f);
+
+	run_write(sc, RT2860_WMM_TXOP0_CFG, 0);
+	run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96);
+
+	/* write vendor-specific BBP values (from EEPROM) */
+	for (i = 0; i < 8; i++) {
+		if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff)
+			continue;
+		run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val);
+	}
+
+	/* select Main antenna for 1T1R devices */
+	if (sc->rf_rev == RT3070_RF_3020)
+		run_set_rx_antenna(sc, 0);
+
+	/* send LEDs operating mode to microcontroller */
+	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]);
+	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]);
+	(void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]);
+
+	/* disable non-existing Rx chains */
+	run_bbp_read(sc, 3, &bbp3);
+	bbp3 &= ~(1 << 3 | 1 << 4);
+	if (sc->nrxchains == 2)
+		bbp3 |= 1 << 3;
+	else if (sc->nrxchains == 3)
+		bbp3 |= 1 << 4;
+	run_bbp_write(sc, 3, bbp3);
+
+	/* disable non-existing Tx chains */
+	run_bbp_read(sc, 1, &bbp1);
+	if (sc->ntxchains == 1)
+		bbp1 &= ~(1 << 3 | 1 << 4);
+	run_bbp_write(sc, 1, bbp1);
+
+	if ((sc->mac_rev >> 16) >= 0x3070)
+		run_rt3070_rf_init(sc);
+
+	/* select default channel */
+	vap->iv_bss->ni_chan = ic->ic_curchan;	/* ic_bsschan?? */
+	run_set_chan(sc, ic->ic_curchan);
+
+	/* setup initial protection mode */
+	run_updateprot(ic);
+
+	/* turn radio LED on */
+	run_set_leds(sc, RT2860_LED_RADIO);
+
+	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+	ifp->if_drv_flags |= IFF_DRV_RUNNING;
+
+	for(i = 0; i != RUN_N_XFER; i++)
+		usbd_xfer_set_stall(sc->sc_xfer[i]);
+
+	usbd_transfer_start(sc->sc_xfer[RUN_BULK_RX]);
+
+	if (run_txrx_enable(sc) != 0)
+		goto fail;
+
+	return;
+
+fail:
+	run_stop(sc);
+}
+
+static void
+run_init(void *arg)
+{
+	struct run_softc *sc = arg;
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211com *ic = ifp->if_l2com;
+
+	RUN_LOCK(sc);
+	run_init_locked(sc);
+	RUN_UNLOCK(sc);
+
+	if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+	        ieee80211_start_all(ic);
+}
+
+static void
+run_stop(void *arg)
+{
+	struct run_softc *sc = (struct run_softc *)arg;
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211com *ic = ifp->if_l2com;
+	uint32_t tmp;
+	int i;
+	int ntries;
+
+	RUN_LOCK_ASSERT(sc, MA_OWNED);
+
+	if (ic->ic_flags & IEEE80211_F_SCAN)
+		ieee80211_cancel_scan(&sc->sc_rvp->vap);
+
+	if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+		run_set_leds(sc, 0);	/* turn all LEDs off */
+
+	ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+
+	sc->sc_rvp->amrr_run = RUN_AMRR_OFF;
+
+	RUN_UNLOCK(sc);
+
+	/* drain them all */
+	usb_callout_drain(&sc->sc_rvp->amrr_ch);
+	ieee80211_draintask(ic, &sc->sc_rvp->amrr_task);
+	ieee80211_draintask(ic, &sc->wme_task);
+	for(i = 0; i < RUN_N_XFER; i++)
+		usbd_transfer_drain(sc->sc_xfer[i]);
+	ieee80211_draintask(ic, &sc->usb_timeout_task);
+
+	RUN_LOCK(sc);
+
+	if(sc->rx_m != NULL){
+		m_free(sc->rx_m);
+		sc->rx_m = NULL;
+	}
+
+	/* disable Tx/Rx */
+	run_read(sc, RT2860_MAC_SYS_CTRL, &tmp);
+	tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN);
+	run_write(sc, RT2860_MAC_SYS_CTRL, tmp);
+
+	/* wait for pending Tx to complete */
+	for (ntries = 0; ntries < 100; ntries++) {
+		if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0){
+			DPRINTF("Cannot read Tx queue count\n");
+			break;
+		}
+		if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0){
+			DPRINTF("All Tx cleared\n");
+			break;
+		}
+		run_delay(sc, 10);
+	}
+	if(ntries >= 100)
+		DPRINTF("There are still pending Tx\n");
+	run_delay(sc, 10);
+	run_write(sc, RT2860_USB_DMA_CFG, 0);
+
+	run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST);
+	run_write(sc, RT2860_MAC_SYS_CTRL, 0);
+
+	for (i = 0; i != RUN_EP_QUEUES; i++)
+		run_unsetup_tx_list(sc, &sc->sc_epq[i]);
+
+	return;
+}
+
+static void
+run_delay(struct run_softc *sc, unsigned int ms)
+{
+	usb_pause_mtx(mtx_owned(&sc->sc_mtx) ? 
+	    &sc->sc_mtx : NULL, USB_MS_TO_TICKS(ms));
+}
+
+static device_method_t run_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		run_match),
+	DEVMETHOD(device_attach,	run_attach),
+	DEVMETHOD(device_detach,	run_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t run_driver = {
+	"run",
+	run_methods,
+	sizeof(struct run_softc)
+};
+
+static devclass_t run_devclass;
+
+DRIVER_MODULE(run, uhub, run_driver, run_devclass, NULL, 0);