Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[safe/jmp/linux-2.6] / drivers / net / wireless / rt2x00 / rt61pci.c
index ad2e7d5..468a31c 100644 (file)
@@ -1,5 +1,5 @@
 /*
-       Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+       Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
        <http://rt2x00.serialmonkey.com>
 
        This program is free software; you can redistribute it and/or modify
@@ -24,6 +24,7 @@
        Supported chipsets: RT2561, RT2561s, RT2661.
  */
 
+#include <linux/crc-itu-t.h>
 #include <linux/delay.h>
 #include <linux/etherdevice.h>
 #include <linux/init.h>
@@ -155,6 +156,12 @@ rf_write:
        rt2x00_rf_write(rt2x00dev, word, value);
 }
 
+#ifdef CONFIG_RT61PCI_LEDS
+/*
+ * This function is only called from rt61pci_led_brightness()
+ * make gcc happy by placing this function inside the
+ * same ifdef statement as the caller.
+ */
 static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev,
                                const u8 command, const u8 token,
                                const u8 arg0, const u8 arg1)
@@ -181,6 +188,7 @@ static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev,
        rt2x00_set_field32(&reg, HOST_CMD_CSR_INTERRUPT_MCU, 1);
        rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
 }
+#endif /* CONFIG_RT61PCI_LEDS */
 
 static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
 {
@@ -262,82 +270,162 @@ static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
        u32 reg;
 
        rt2x00pci_register_read(rt2x00dev, MAC_CSR13, &reg);
-       return rt2x00_get_field32(reg, MAC_CSR13_BIT5);;
+       return rt2x00_get_field32(reg, MAC_CSR13_BIT5);
 }
 #else
 #define rt61pci_rfkill_poll    NULL
 #endif /* CONFIG_RT61PCI_RFKILL */
 
-/*
- * Configuration handlers.
- */
-static void rt61pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
+#ifdef CONFIG_RT61PCI_LEDS
+static void rt61pci_brightness_set(struct led_classdev *led_cdev,
+                                  enum led_brightness brightness)
 {
-       u32 tmp;
-
-       tmp = le32_to_cpu(mac[1]);
-       rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
-       mac[1] = cpu_to_le32(tmp);
-
-       rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
-                                     (2 * sizeof(__le32)));
+       struct rt2x00_led *led =
+           container_of(led_cdev, struct rt2x00_led, led_dev);
+       unsigned int enabled = brightness != LED_OFF;
+       unsigned int a_mode =
+           (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
+       unsigned int bg_mode =
+           (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
+
+       if (led->type == LED_TYPE_RADIO) {
+               rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
+                                  MCU_LEDCS_RADIO_STATUS, enabled);
+
+               rt61pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff,
+                                   (led->rt2x00dev->led_mcu_reg & 0xff),
+                                   ((led->rt2x00dev->led_mcu_reg >> 8)));
+       } else if (led->type == LED_TYPE_ASSOC) {
+               rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
+                                  MCU_LEDCS_LINK_BG_STATUS, bg_mode);
+               rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
+                                  MCU_LEDCS_LINK_A_STATUS, a_mode);
+
+               rt61pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff,
+                                   (led->rt2x00dev->led_mcu_reg & 0xff),
+                                   ((led->rt2x00dev->led_mcu_reg >> 8)));
+       } else if (led->type == LED_TYPE_QUALITY) {
+               /*
+                * The brightness is divided into 6 levels (0 - 5),
+                * this means we need to convert the brightness
+                * argument into the matching level within that range.
+                */
+               rt61pci_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+                                   brightness / (LED_FULL / 6), 0);
+       }
 }
 
-static void rt61pci_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
+static int rt61pci_blink_set(struct led_classdev *led_cdev,
+                            unsigned long *delay_on,
+                            unsigned long *delay_off)
 {
-       u32 tmp;
+       struct rt2x00_led *led =
+           container_of(led_cdev, struct rt2x00_led, led_dev);
+       u32 reg;
 
-       tmp = le32_to_cpu(bssid[1]);
-       rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
-       bssid[1] = cpu_to_le32(tmp);
+       rt2x00pci_register_read(led->rt2x00dev, MAC_CSR14, &reg);
+       rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
+       rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
+       rt2x00pci_register_write(led->rt2x00dev, MAC_CSR14, reg);
 
-       rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
-                                     (2 * sizeof(__le32)));
+       return 0;
 }
+#endif /* CONFIG_RT61PCI_LEDS */
 
-static void rt61pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
-                               const int tsf_sync)
+/*
+ * Configuration handlers.
+ */
+static void rt61pci_config_filter(struct rt2x00_dev *rt2x00dev,
+                                 const unsigned int filter_flags)
 {
        u32 reg;
 
        /*
-        * Clear current synchronisation setup.
-        * For the Beacon base registers we only need to clear
-        * the first byte since that byte contains the VALID and OWNER
-        * bits which (when set to 0) will invalidate the entire beacon.
+        * Start configuration steps.
+        * Note that the version error will always be dropped
+        * and broadcast frames will always be accepted since
+        * there is no filter for it at this time.
         */
-       rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
-       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+       rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
+                          !(filter_flags & FIF_FCSFAIL));
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
+                          !(filter_flags & FIF_PLCPFAIL));
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
+                          !(filter_flags & FIF_CONTROL));
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
+                          !(filter_flags & FIF_PROMISC_IN_BSS));
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
+                          !(filter_flags & FIF_PROMISC_IN_BSS) &&
+                          !rt2x00dev->intf_ap_count);
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
+                          !(filter_flags & FIF_ALLMULTI));
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
+       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
+                          !(filter_flags & FIF_CONTROL));
+       rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
+}
 
-       /*
-        * Enable synchronisation.
-        */
-       rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
-       rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
-                         (tsf_sync == TSF_SYNC_BEACON));
-       rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
-       rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, tsf_sync);
-       rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev,
+                               struct rt2x00_intf *intf,
+                               struct rt2x00intf_conf *conf,
+                               const unsigned int flags)
+{
+       unsigned int beacon_base;
+       u32 reg;
+
+       if (flags & CONFIG_UPDATE_TYPE) {
+               /*
+                * Clear current synchronisation setup.
+                * For the Beacon base registers we only need to clear
+                * the first byte since that byte contains the VALID and OWNER
+                * bits which (when set to 0) will invalidate the entire beacon.
+                */
+               beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+               rt2x00pci_register_write(rt2x00dev, beacon_base, 0);
+
+               /*
+                * Enable synchronisation.
+                */
+               rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+               rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+               rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
+               rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
+               rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+       }
+
+       if (flags & CONFIG_UPDATE_MAC) {
+               reg = le32_to_cpu(conf->mac[1]);
+               rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+               conf->mac[1] = cpu_to_le32(reg);
+
+               rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2,
+                                             conf->mac, sizeof(conf->mac));
+       }
+
+       if (flags & CONFIG_UPDATE_BSSID) {
+               reg = le32_to_cpu(conf->bssid[1]);
+               rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
+               conf->bssid[1] = cpu_to_le32(reg);
+
+               rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4,
+                                             conf->bssid, sizeof(conf->bssid));
+       }
 }
 
-static void rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev,
-                                   const int short_preamble,
-                                   const int ack_timeout,
-                                   const int ack_consume_time)
+static void rt61pci_config_erp(struct rt2x00_dev *rt2x00dev,
+                              struct rt2x00lib_erp *erp)
 {
        u32 reg;
 
        rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
+       rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
        rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
 
        rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
        rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
-                          !!short_preamble);
+                          !!erp->short_preamble);
        rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
 }
 
@@ -427,27 +515,21 @@ static void rt61pci_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
-                                 (rt2x00dev->curr_hwmode != HWMODE_A));
+                                 (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ));
                break;
        case ANTENNA_A:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
-               if (rt2x00dev->curr_hwmode == HWMODE_A)
+               if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
                        rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
                else
                        rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
                break;
-       case ANTENNA_SW_DIVERSITY:
-               /*
-                * NOTE: We should never come here because rt2x00lib is
-                * supposed to catch this and send us the correct antenna
-                * explicitely. However we are nog going to bug about this.
-                * Instead, just default to antenna B.
-                */
        case ANTENNA_B:
+       default:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
                rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
-               if (rt2x00dev->curr_hwmode == HWMODE_A)
+               if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
                        rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
                else
                        rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
@@ -486,14 +568,8 @@ static void rt61pci_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
                rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
                break;
-       case ANTENNA_SW_DIVERSITY:
-               /*
-                * NOTE: We should never come here because rt2x00lib is
-                * supposed to catch this and send us the correct antenna
-                * explicitely. However we are nog going to bug about this.
-                * Instead, just default to antenna B.
-                */
        case ANTENNA_B:
+       default:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
                rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
                break;
@@ -531,10 +607,6 @@ static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev,
        rt61pci_bbp_read(rt2x00dev, 4, &r4);
        rt61pci_bbp_read(rt2x00dev, 77, &r77);
 
-       /* FIXME: Antenna selection for the rf 2529 is very confusing in the
-        * legacy driver. The code below should be ok for non-diversity setups.
-        */
-
        /*
         * Configure the RX antenna.
         */
@@ -544,15 +616,14 @@ static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev,
                rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
                rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0);
                break;
-       case ANTENNA_SW_DIVERSITY:
        case ANTENNA_HW_DIVERSITY:
                /*
-                * NOTE: We should never come here because rt2x00lib is
-                * supposed to catch this and send us the correct antenna
-                * explicitely. However we are nog going to bug about this.
-                * Instead, just default to antenna B.
+                * FIXME: Antenna selection for the rf 2529 is very confusing
+                * in the legacy driver. Just default to antenna B until the
+                * legacy code can be properly translated into rt2x00 code.
                 */
        case ANTENNA_B:
+       default:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
                rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
                rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1);
@@ -603,7 +674,14 @@ static void rt61pci_config_antenna(struct rt2x00_dev *rt2x00dev,
        unsigned int i;
        u32 reg;
 
-       if (rt2x00dev->curr_hwmode == HWMODE_A) {
+       /*
+        * We should never come here because rt2x00lib is supposed
+        * to catch this and send us the correct antenna explicitely.
+        */
+       BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
+              ant->tx == ANTENNA_SW_DIVERSITY);
+
+       if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
                sel = antenna_sel_a;
                lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
        } else {
@@ -617,10 +695,9 @@ static void rt61pci_config_antenna(struct rt2x00_dev *rt2x00dev,
        rt2x00pci_register_read(rt2x00dev, PHY_CSR0, &reg);
 
        rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
-                          (rt2x00dev->curr_hwmode == HWMODE_B ||
-                           rt2x00dev->curr_hwmode == HWMODE_G));
+                          rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
        rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
-                          (rt2x00dev->curr_hwmode == HWMODE_A));
+                          rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
 
        rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg);
 
@@ -667,8 +744,8 @@ static void rt61pci_config_duration(struct rt2x00_dev *rt2x00dev,
 }
 
 static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
-                          const unsigned int flags,
-                          struct rt2x00lib_conf *libconf)
+                          struct rt2x00lib_conf *libconf,
+                          const unsigned int flags)
 {
        if (flags & CONFIG_UPDATE_PHYMODE)
                rt61pci_config_phymode(rt2x00dev, libconf->basic_rates);
@@ -684,78 +761,6 @@ static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
 }
 
 /*
- * LED functions.
- */
-static void rt61pci_enable_led(struct rt2x00_dev *rt2x00dev)
-{
-       u32 reg;
-       u8 arg0;
-       u8 arg1;
-
-       rt2x00pci_register_read(rt2x00dev, MAC_CSR14, &reg);
-       rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
-       rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, 30);
-       rt2x00pci_register_write(rt2x00dev, MAC_CSR14, reg);
-
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 1);
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS,
-                          (rt2x00dev->rx_status.phymode == MODE_IEEE80211A));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS,
-                          (rt2x00dev->rx_status.phymode != MODE_IEEE80211A));
-
-       arg0 = rt2x00dev->led_reg & 0xff;
-       arg1 = (rt2x00dev->led_reg >> 8) & 0xff;
-
-       rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1);
-}
-
-static void rt61pci_disable_led(struct rt2x00_dev *rt2x00dev)
-{
-       u16 led_reg;
-       u8 arg0;
-       u8 arg1;
-
-       led_reg = rt2x00dev->led_reg;
-       rt2x00_set_field16(&led_reg, MCU_LEDCS_RADIO_STATUS, 0);
-       rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_BG_STATUS, 0);
-       rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_A_STATUS, 0);
-
-       arg0 = led_reg & 0xff;
-       arg1 = (led_reg >> 8) & 0xff;
-
-       rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1);
-}
-
-static void rt61pci_activity_led(struct rt2x00_dev *rt2x00dev, int rssi)
-{
-       u8 led;
-
-       if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH)
-               return;
-
-       /*
-        * Led handling requires a positive value for the rssi,
-        * to do that correctly we need to add the correction.
-        */
-       rssi += rt2x00dev->rssi_offset;
-
-       if (rssi <= 30)
-               led = 0;
-       else if (rssi <= 39)
-               led = 1;
-       else if (rssi <= 49)
-               led = 2;
-       else if (rssi <= 53)
-               led = 3;
-       else if (rssi <= 63)
-               led = 4;
-       else
-               led = 5;
-
-       rt61pci_mcu_request(rt2x00dev, MCU_LED_STRENGTH, 0xff, led, 0);
-}
-
-/*
  * Link tuning
  */
 static void rt61pci_link_stats(struct rt2x00_dev *rt2x00dev,
@@ -789,17 +794,12 @@ static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
        u8 up_bound;
        u8 low_bound;
 
-       /*
-        * Update Led strength
-        */
-       rt61pci_activity_led(rt2x00dev, rssi);
-
        rt61pci_bbp_read(rt2x00dev, 17, &r17);
 
        /*
         * Determine r17 bounds.
         */
-       if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
+       if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
                low_bound = 0x28;
                up_bound = 0x48;
                if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
@@ -816,6 +816,13 @@ static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
        }
 
        /*
+        * If we are not associated, we should go straight to the
+        * dynamic CCA tuning.
+        */
+       if (!rt2x00dev->intf_associated)
+               goto dynamic_cca_tune;
+
+       /*
         * Special big-R17 for very short distance
         */
        if (rssi >= -35) {
@@ -866,6 +873,8 @@ static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
                return;
        }
 
+dynamic_cca_tune:
+
        /*
         * r17 does not yet exceed upper limit, continue and base
         * the r17 tuning on the false CCA count.
@@ -882,7 +891,7 @@ static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 }
 
 /*
- * Firmware name function.
+ * Firmware functions
  */
 static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 {
@@ -906,9 +915,23 @@ static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
        return fw_name;
 }
 
-/*
- * Initialization functions.
- */
+static u16 rt61pci_get_firmware_crc(void *data, const size_t len)
+{
+       u16 crc;
+
+       /*
+        * Use the crc itu-t algorithm.
+        * The last 2 bytes in the firmware array are the crc checksum itself,
+        * this means that we should never pass those 2 bytes to the crc
+        * algorithm.
+        */
+       crc = crc_itu_t(0, data, len - 2);
+       crc = crc_itu_t_byte(crc, 0);
+       crc = crc_itu_t_byte(crc, 0);
+
+       return crc;
+}
+
 static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
                                 const size_t len)
 {
@@ -989,50 +1012,55 @@ static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
        return 0;
 }
 
+/*
+ * Initialization functions.
+ */
 static void rt61pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
-                                struct data_entry *entry)
+                                struct queue_entry *entry)
 {
-       __le32 *rxd = entry->priv;
+       struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
        u32 word;
 
-       rt2x00_desc_read(rxd, 5, &word);
+       rt2x00_desc_read(priv_rx->desc, 5, &word);
        rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
-                          entry->data_dma);
-       rt2x00_desc_write(rxd, 5, word);
+                          priv_rx->data_dma);
+       rt2x00_desc_write(priv_rx->desc, 5, word);
 
-       rt2x00_desc_read(rxd, 0, &word);
+       rt2x00_desc_read(priv_rx->desc, 0, &word);
        rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
-       rt2x00_desc_write(rxd, 0, word);
+       rt2x00_desc_write(priv_rx->desc, 0, word);
 }
 
 static void rt61pci_init_txentry(struct rt2x00_dev *rt2x00dev,
-                                struct data_entry *entry)
+                                struct queue_entry *entry)
 {
-       __le32 *txd = entry->priv;
+       struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
        u32 word;
 
-       rt2x00_desc_read(txd, 1, &word);
+       rt2x00_desc_read(priv_tx->desc, 1, &word);
        rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1);
-       rt2x00_desc_write(txd, 1, word);
+       rt2x00_desc_write(priv_tx->desc, 1, word);
 
-       rt2x00_desc_read(txd, 5, &word);
-       rt2x00_set_field32(&word, TXD_W5_PID_TYPE, entry->ring->queue_idx);
+       rt2x00_desc_read(priv_tx->desc, 5, &word);
+       rt2x00_set_field32(&word, TXD_W5_PID_TYPE, entry->queue->qid);
        rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE, entry->entry_idx);
-       rt2x00_desc_write(txd, 5, word);
+       rt2x00_desc_write(priv_tx->desc, 5, word);
 
-       rt2x00_desc_read(txd, 6, &word);
+       rt2x00_desc_read(priv_tx->desc, 6, &word);
        rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS,
-                          entry->data_dma);
-       rt2x00_desc_write(txd, 6, word);
+                          priv_tx->data_dma);
+       rt2x00_desc_write(priv_tx->desc, 6, word);
 
-       rt2x00_desc_read(txd, 0, &word);
+       rt2x00_desc_read(priv_tx->desc, 0, &word);
        rt2x00_set_field32(&word, TXD_W0_VALID, 0);
        rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
-       rt2x00_desc_write(txd, 0, word);
+       rt2x00_desc_write(priv_tx->desc, 0, word);
 }
 
-static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev)
+static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev)
 {
+       struct queue_entry_priv_pci_rx *priv_rx;
+       struct queue_entry_priv_pci_tx *priv_tx;
        u32 reg;
 
        /*
@@ -1040,59 +1068,55 @@ static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev)
         */
        rt2x00pci_register_read(rt2x00dev, TX_RING_CSR0, &reg);
        rt2x00_set_field32(&reg, TX_RING_CSR0_AC0_RING_SIZE,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
+                          rt2x00dev->tx[0].limit);
        rt2x00_set_field32(&reg, TX_RING_CSR0_AC1_RING_SIZE,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
+                          rt2x00dev->tx[1].limit);
        rt2x00_set_field32(&reg, TX_RING_CSR0_AC2_RING_SIZE,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].stats.limit);
+                          rt2x00dev->tx[2].limit);
        rt2x00_set_field32(&reg, TX_RING_CSR0_AC3_RING_SIZE,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].stats.limit);
+                          rt2x00dev->tx[3].limit);
        rt2x00pci_register_write(rt2x00dev, TX_RING_CSR0, reg);
 
        rt2x00pci_register_read(rt2x00dev, TX_RING_CSR1, &reg);
-       rt2x00_set_field32(&reg, TX_RING_CSR1_MGMT_RING_SIZE,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].stats.limit);
        rt2x00_set_field32(&reg, TX_RING_CSR1_TXD_SIZE,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size /
-                          4);
+                          rt2x00dev->tx[0].desc_size / 4);
        rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg);
 
+       priv_tx = rt2x00dev->tx[0].entries[0].priv_data;
        rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, &reg);
        rt2x00_set_field32(&reg, AC0_BASE_CSR_RING_REGISTER,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
+                          priv_tx->desc_dma);
        rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg);
 
+       priv_tx = rt2x00dev->tx[1].entries[0].priv_data;
        rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, &reg);
        rt2x00_set_field32(&reg, AC1_BASE_CSR_RING_REGISTER,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
+                          priv_tx->desc_dma);
        rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg);
 
+       priv_tx = rt2x00dev->tx[2].entries[0].priv_data;
        rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, &reg);
        rt2x00_set_field32(&reg, AC2_BASE_CSR_RING_REGISTER,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].data_dma);
+                          priv_tx->desc_dma);
        rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg);
 
+       priv_tx = rt2x00dev->tx[3].entries[0].priv_data;
        rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, &reg);
        rt2x00_set_field32(&reg, AC3_BASE_CSR_RING_REGISTER,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].data_dma);
+                          priv_tx->desc_dma);
        rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg);
 
-       rt2x00pci_register_read(rt2x00dev, MGMT_BASE_CSR, &reg);
-       rt2x00_set_field32(&reg, MGMT_BASE_CSR_RING_REGISTER,
-                          rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].data_dma);
-       rt2x00pci_register_write(rt2x00dev, MGMT_BASE_CSR, reg);
-
        rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, &reg);
-       rt2x00_set_field32(&reg, RX_RING_CSR_RING_SIZE,
-                          rt2x00dev->rx->stats.limit);
+       rt2x00_set_field32(&reg, RX_RING_CSR_RING_SIZE, rt2x00dev->rx->limit);
        rt2x00_set_field32(&reg, RX_RING_CSR_RXD_SIZE,
                           rt2x00dev->rx->desc_size / 4);
        rt2x00_set_field32(&reg, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4);
        rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg);
 
+       priv_rx = rt2x00dev->rx->entries[0].priv_data;
        rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, &reg);
        rt2x00_set_field32(&reg, RX_BASE_CSR_RING_REGISTER,
-                          rt2x00dev->rx->data_dma);
+                          priv_rx->desc_dma);
        rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg);
 
        rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, &reg);
@@ -1100,7 +1124,6 @@ static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev)
        rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC1, 2);
        rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC2, 2);
        rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC3, 2);
-       rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_MGMT, 0);
        rt2x00pci_register_write(rt2x00dev, TX_DMA_DST_CSR, reg);
 
        rt2x00pci_register_read(rt2x00dev, LOAD_TX_RING_CSR, &reg);
@@ -1108,7 +1131,6 @@ static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev)
        rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC1, 1);
        rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC2, 1);
        rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC3, 1);
-       rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_MGMT, 1);
        rt2x00pci_register_write(rt2x00dev, LOAD_TX_RING_CSR, reg);
 
        rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, &reg);
@@ -1224,6 +1246,17 @@ static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev)
        rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
 
        /*
+        * Clear all beacons
+        * For the Beacon base registers we only need to clear
+        * the first byte since that byte contains the VALID and OWNER
+        * bits which (when set to 0) will invalidate the entire beacon.
+        */
+       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+       rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+       /*
         * We must clear the error counters.
         * These registers are cleared on read,
         * so we may pass a useless variable to store the value.
@@ -1296,19 +1329,15 @@ continue_csr_init:
        rt61pci_bbp_write(rt2x00dev, 102, 0x16);
        rt61pci_bbp_write(rt2x00dev, 107, 0x04);
 
-       DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
        for (i = 0; i < EEPROM_BBP_SIZE; i++) {
                rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 
                if (eeprom != 0xffff && eeprom != 0x0000) {
                        reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
                        value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
-                       DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
-                             reg_id, value);
                        rt61pci_bbp_write(rt2x00dev, reg_id, value);
                }
        }
-       DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
 
        return 0;
 }
@@ -1375,7 +1404,7 @@ static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev)
        /*
         * Initialize all registers.
         */
-       if (rt61pci_init_rings(rt2x00dev) ||
+       if (rt61pci_init_queues(rt2x00dev) ||
            rt61pci_init_registers(rt2x00dev) ||
            rt61pci_init_bbp(rt2x00dev)) {
                ERROR(rt2x00dev, "Register initialization failed.\n");
@@ -1394,11 +1423,6 @@ static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev)
        rt2x00_set_field32(&reg, RX_CNTL_CSR_ENABLE_RX_DMA, 1);
        rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg);
 
-       /*
-        * Enable LED
-        */
-       rt61pci_enable_led(rt2x00dev);
-
        return 0;
 }
 
@@ -1406,11 +1430,6 @@ static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
        u32 reg;
 
-       /*
-        * Disable LED
-        */
-       rt61pci_disable_led(rt2x00dev);
-
        rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
 
        /*
@@ -1426,7 +1445,6 @@ static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev)
        rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, 1);
        rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, 1);
        rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, 1);
-       rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_MGMT, 1);
        rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
 
        /*
@@ -1508,10 +1526,10 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev,
  */
 static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
                                    struct sk_buff *skb,
-                                   struct txdata_entry_desc *desc,
+                                   struct txentry_desc *txdesc,
                                    struct ieee80211_tx_control *control)
 {
-       struct skb_desc *skbdesc = get_skb_desc(skb);
+       struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
        __le32 *txd = skbdesc->desc;
        u32 word;
 
@@ -1519,50 +1537,52 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
         * Start writing the descriptor words.
         */
        rt2x00_desc_read(txd, 1, &word);
-       rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
-       rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
-       rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
-       rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
+       rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
+       rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
+       rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
+       rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
        rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
        rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
        rt2x00_desc_write(txd, 1, word);
 
        rt2x00_desc_read(txd, 2, &word);
-       rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
-       rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
-       rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
-       rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
+       rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
+       rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
+       rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
+       rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
        rt2x00_desc_write(txd, 2, word);
 
        rt2x00_desc_read(txd, 5, &word);
        rt2x00_set_field32(&word, TXD_W5_TX_POWER,
-                          TXPOWER_TO_DEV(control->power_level));
+                          TXPOWER_TO_DEV(rt2x00dev->tx_power));
        rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
        rt2x00_desc_write(txd, 5, word);
 
-       rt2x00_desc_read(txd, 11, &word);
-       rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skbdesc->data_len);
-       rt2x00_desc_write(txd, 11, word);
+       if (skbdesc->desc_len > TXINFO_SIZE) {
+               rt2x00_desc_read(txd, 11, &word);
+               rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skbdesc->data_len);
+               rt2x00_desc_write(txd, 11, word);
+       }
 
        rt2x00_desc_read(txd, 0, &word);
        rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
        rt2x00_set_field32(&word, TXD_W0_VALID, 1);
        rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
-                          test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+                          test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
        rt2x00_set_field32(&word, TXD_W0_ACK,
-                          test_bit(ENTRY_TXD_ACK, &desc->flags));
+                          test_bit(ENTRY_TXD_ACK, &txdesc->flags));
        rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
-                          test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+                          test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
        rt2x00_set_field32(&word, TXD_W0_OFDM,
-                          test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
-       rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+                          test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
+       rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
        rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
                           !!(control->flags &
                              IEEE80211_TXCTL_LONG_RETRY_LIMIT));
        rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
        rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
        rt2x00_set_field32(&word, TXD_W0_BURST,
-                          test_bit(ENTRY_TXD_BURST, &desc->flags));
+                          test_bit(ENTRY_TXD_BURST, &txdesc->flags));
        rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
        rt2x00_desc_write(txd, 0, word);
 }
@@ -1571,11 +1591,11 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
  * TX data initialization
  */
 static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-                                 unsigned int queue)
+                                 const unsigned int queue)
 {
        u32 reg;
 
-       if (queue == IEEE80211_TX_QUEUE_BEACON) {
+       if (queue == RT2X00_BCN_QUEUE_BEACON) {
                /*
                 * For Wi-Fi faily generated beacons between participating
                 * stations. Set TBTT phase adaptive adjustment step to 8us.
@@ -1584,6 +1604,8 @@ static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 
                rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
                if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
+                       rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+                       rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
                        rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
                        rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
                }
@@ -1599,8 +1621,6 @@ static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
                           (queue == IEEE80211_TX_QUEUE_DATA2));
        rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC3,
                           (queue == IEEE80211_TX_QUEUE_DATA3));
-       rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_MGMT,
-                          (queue == IEEE80211_TX_QUEUE_DATA4));
        rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
 }
 
@@ -1628,7 +1648,7 @@ static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
                return 0;
        }
 
-       if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
+       if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
                if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
                        offset += 14;
 
@@ -1648,28 +1668,35 @@ static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
        return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
 }
 
-static void rt61pci_fill_rxdone(struct data_entry *entry,
-                               struct rxdata_entry_desc *desc)
+static void rt61pci_fill_rxdone(struct queue_entry *entry,
+                               struct rxdone_entry_desc *rxdesc)
 {
-       __le32 *rxd = entry->priv;
+       struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
        u32 word0;
        u32 word1;
 
-       rt2x00_desc_read(rxd, 0, &word0);
-       rt2x00_desc_read(rxd, 1, &word1);
+       rt2x00_desc_read(priv_rx->desc, 0, &word0);
+       rt2x00_desc_read(priv_rx->desc, 1, &word1);
 
-       desc->flags = 0;
+       rxdesc->flags = 0;
        if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
-               desc->flags |= RX_FLAG_FAILED_FCS_CRC;
+               rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 
        /*
         * Obtain the status about this packet.
-        */
-       desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
-       desc->rssi = rt61pci_agc_to_rssi(entry->ring->rt2x00dev, word1);
-       desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
-       desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
-       desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
+        * When frame was received with an OFDM bitrate,
+        * the signal is the PLCP value. If it was received with
+        * a CCK bitrate the signal is the rate in 100kbit/s.
+        */
+       rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
+       rxdesc->rssi = rt61pci_agc_to_rssi(entry->queue->rt2x00dev, word1);
+       rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+
+       rxdesc->dev_flags = 0;
+       if (rt2x00_get_field32(word0, RXD_W0_OFDM))
+               rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
+       if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
+               rxdesc->dev_flags |= RXDONE_MY_BSS;
 }
 
 /*
@@ -1677,17 +1704,16 @@ static void rt61pci_fill_rxdone(struct data_entry *entry,
  */
 static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
 {
-       struct data_ring *ring;
-       struct data_entry *entry;
-       struct data_entry *entry_done;
-       __le32 *txd;
+       struct data_queue *queue;
+       struct queue_entry *entry;
+       struct queue_entry *entry_done;
+       struct queue_entry_priv_pci_tx *priv_tx;
+       struct txdone_entry_desc txdesc;
        u32 word;
        u32 reg;
        u32 old_reg;
        int type;
        int index;
-       int tx_status;
-       int retry;
 
        /*
         * During each loop we will compare the freshly read
@@ -1710,11 +1736,11 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
 
                /*
                 * Skip this entry when it contains an invalid
-                * ring identication number.
+                * queue identication number.
                 */
                type = rt2x00_get_field32(reg, STA_CSR4_PID_TYPE);
-               ring = rt2x00lib_get_ring(rt2x00dev, type);
-               if (unlikely(!ring))
+               queue = rt2x00queue_get_queue(rt2x00dev, type);
+               if (unlikely(!queue))
                        continue;
 
                /*
@@ -1722,36 +1748,40 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
                 * index number.
                 */
                index = rt2x00_get_field32(reg, STA_CSR4_PID_SUBTYPE);
-               if (unlikely(index >= ring->stats.limit))
+               if (unlikely(index >= queue->limit))
                        continue;
 
-               entry = &ring->entry[index];
-               txd = entry->priv;
-               rt2x00_desc_read(txd, 0, &word);
+               entry = &queue->entries[index];
+               priv_tx = entry->priv_data;
+               rt2x00_desc_read(priv_tx->desc, 0, &word);
 
                if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
                    !rt2x00_get_field32(word, TXD_W0_VALID))
                        return;
 
-               entry_done = rt2x00_get_data_entry_done(ring);
+               entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
                while (entry != entry_done) {
-                       /* Catch up. Just report any entries we missed as
-                        * failed. */
+                       /* Catch up.
+                        * Just report any entries we missed as failed.
+                        */
                        WARNING(rt2x00dev,
-                               "TX status report missed for entry %p\n",
-                               entry_done);
-                       rt2x00pci_txdone(rt2x00dev, entry_done, TX_FAIL_OTHER,
-                                        0);
-                       entry_done = rt2x00_get_data_entry_done(ring);
+                               "TX status report missed for entry %d\n",
+                               entry_done->entry_idx);
+
+                       txdesc.status = TX_FAIL_OTHER;
+                       txdesc.retry = 0;
+
+                       rt2x00pci_txdone(rt2x00dev, entry_done, &txdesc);
+                       entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
                }
 
                /*
                 * Obtain the status about this packet.
                 */
-               tx_status = rt2x00_get_field32(reg, STA_CSR4_TX_RESULT);
-               retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT);
+               txdesc.status = rt2x00_get_field32(reg, STA_CSR4_TX_RESULT);
+               txdesc.retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT);
 
-               rt2x00pci_txdone(rt2x00dev, entry, tx_status, retry);
+               rt2x00pci_txdone(rt2x00dev, entry, &txdesc);
        }
 }
 
@@ -1906,7 +1936,7 @@ static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
                rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
                rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
                rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
-               EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
+               EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
        } else {
                value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
                if (value < -10 || value > 10)
@@ -2035,35 +2065,61 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
         * If the eeprom value is invalid,
         * switch to default led mode.
         */
+#ifdef CONFIG_RT61PCI_LEDS
        rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
+       value = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE);
+
+       rt2x00dev->led_radio.rt2x00dev = rt2x00dev;
+       rt2x00dev->led_radio.type = LED_TYPE_RADIO;
+       rt2x00dev->led_radio.led_dev.brightness_set =
+           rt61pci_brightness_set;
+       rt2x00dev->led_radio.led_dev.blink_set =
+           rt61pci_blink_set;
+       rt2x00dev->led_radio.flags = LED_INITIALIZED;
+
+       rt2x00dev->led_assoc.rt2x00dev = rt2x00dev;
+       rt2x00dev->led_assoc.type = LED_TYPE_ASSOC;
+       rt2x00dev->led_assoc.led_dev.brightness_set =
+           rt61pci_brightness_set;
+       rt2x00dev->led_assoc.led_dev.blink_set =
+           rt61pci_blink_set;
+       rt2x00dev->led_assoc.flags = LED_INITIALIZED;
+
+       if (value == LED_MODE_SIGNAL_STRENGTH) {
+               rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
+               rt2x00dev->led_radio.type = LED_TYPE_QUALITY;
+               rt2x00dev->led_qual.led_dev.brightness_set =
+                   rt61pci_brightness_set;
+               rt2x00dev->led_qual.led_dev.blink_set =
+                   rt61pci_blink_set;
+               rt2x00dev->led_qual.flags = LED_INITIALIZED;
+       }
 
-       rt2x00dev->led_mode = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE);
-
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE,
-                          rt2x00dev->led_mode);
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_GPIO_0));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_GPIO_1));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_GPIO_2));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_GPIO_3));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_GPIO_4));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
                           rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_RDY_G));
-       rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A,
+       rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
                           rt2x00_get_field16(eeprom,
                                              EEPROM_LED_POLARITY_RDY_A));
+#endif /* CONFIG_RT61PCI_LEDS */
 
        return 0;
 }
@@ -2197,7 +2253,7 @@ static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
        rt2x00dev->hw->extra_tx_headroom = 0;
        rt2x00dev->hw->max_signal = MAX_SIGNAL;
        rt2x00dev->hw->max_rssi = MAX_RX_SSI;
-       rt2x00dev->hw->queues = 5;
+       rt2x00dev->hw->queues = 4;
 
        SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
        SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -2214,8 +2270,8 @@ static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
        /*
         * Initialize hw_mode information.
         */
-       spec->num_modes = 2;
-       spec->num_rates = 12;
+       spec->supported_bands = SUPPORT_BAND_2GHZ;
+       spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
        spec->tx_power_a = NULL;
        spec->tx_power_bg = txpower;
        spec->tx_power_default = DEFAULT_TXPOWER;
@@ -2230,7 +2286,7 @@ static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 
        if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
            rt2x00_rf(&rt2x00dev->chip, RF5325)) {
-               spec->num_modes = 3;
+               spec->supported_bands |= SUPPORT_BAND_5GHZ;
                spec->num_channels = ARRAY_SIZE(rf_vals_seq);
 
                txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
@@ -2262,7 +2318,7 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev)
        rt61pci_probe_hw_mode(rt2x00dev);
 
        /*
-        * This device requires firmware
+        * This device requires firmware.
         */
        __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
 
@@ -2277,70 +2333,6 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 /*
  * IEEE80211 stack callback functions.
  */
-static void rt61pci_configure_filter(struct ieee80211_hw *hw,
-                                    unsigned int changed_flags,
-                                    unsigned int *total_flags,
-                                    int mc_count,
-                                    struct dev_addr_list *mc_list)
-{
-       struct rt2x00_dev *rt2x00dev = hw->priv;
-       u32 reg;
-
-       /*
-        * Mask off any flags we are going to ignore from
-        * the total_flags field.
-        */
-       *total_flags &=
-           FIF_ALLMULTI |
-           FIF_FCSFAIL |
-           FIF_PLCPFAIL |
-           FIF_CONTROL |
-           FIF_OTHER_BSS |
-           FIF_PROMISC_IN_BSS;
-
-       /*
-        * Apply some rules to the filters:
-        * - Some filters imply different filters to be set.
-        * - Some things we can't filter out at all.
-        * - Multicast filter seems to kill broadcast traffic so never use it.
-        */
-       *total_flags |= FIF_ALLMULTI;
-       if (*total_flags & FIF_OTHER_BSS ||
-           *total_flags & FIF_PROMISC_IN_BSS)
-               *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
-
-       /*
-        * Check if there is any work left for us.
-        */
-       if (rt2x00dev->packet_filter == *total_flags)
-               return;
-       rt2x00dev->packet_filter = *total_flags;
-
-       /*
-        * Start configuration steps.
-        * Note that the version error will always be dropped
-        * and broadcast frames will always be accepted since
-        * there is no filter for it at this time.
-        */
-       rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
-                          !(*total_flags & FIF_FCSFAIL));
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
-                          !(*total_flags & FIF_PLCPFAIL));
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
-                          !(*total_flags & FIF_CONTROL));
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
-                          !(*total_flags & FIF_PROMISC_IN_BSS));
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
-                          !(*total_flags & FIF_PROMISC_IN_BSS));
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
-                          !(*total_flags & FIF_ALLMULTI));
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BORADCAST, 0);
-       rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 1);
-       rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
-}
-
 static int rt61pci_set_retry_limit(struct ieee80211_hw *hw,
                                   u32 short_retry, u32 long_retry)
 {
@@ -2369,66 +2361,72 @@ static u64 rt61pci_get_tsf(struct ieee80211_hw *hw)
        return tsf;
 }
 
-static void rt61pci_reset_tsf(struct ieee80211_hw *hw)
-{
-       struct rt2x00_dev *rt2x00dev = hw->priv;
-
-       rt2x00pci_register_write(rt2x00dev, TXRX_CSR12, 0);
-       rt2x00pci_register_write(rt2x00dev, TXRX_CSR13, 0);
-}
-
 static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
                          struct ieee80211_tx_control *control)
 {
        struct rt2x00_dev *rt2x00dev = hw->priv;
-       struct skb_desc *desc;
-       struct data_ring *ring;
-       struct data_entry *entry;
+       struct rt2x00_intf *intf = vif_to_intf(control->vif);
+       struct skb_frame_desc *skbdesc;
+       unsigned int beacon_base;
+       u32 reg;
 
-       /*
-        * Just in case the ieee80211 doesn't set this,
-        * but we need this queue set for the descriptor
-        * initialization.
-        */
-       control->queue = IEEE80211_TX_QUEUE_BEACON;
-       ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
-       entry = rt2x00_get_data_entry(ring);
+       if (unlikely(!intf->beacon))
+               return -ENOBUFS;
 
        /*
         * We need to append the descriptor in front of the
         * beacon frame.
         */
-       if (skb_headroom(skb) < TXD_DESC_SIZE) {
-               if (pskb_expand_head(skb, TXD_DESC_SIZE, 0, GFP_ATOMIC))
+       if (skb_headroom(skb) < intf->beacon->queue->desc_size) {
+               if (pskb_expand_head(skb, intf->beacon->queue->desc_size,
+                                    0, GFP_ATOMIC))
                        return -ENOMEM;
        }
 
        /*
         * Add the descriptor in front of the skb.
         */
-       skb_push(skb, ring->desc_size);
-       memset(skb->data, 0, ring->desc_size);
+       skb_push(skb, intf->beacon->queue->desc_size);
+       memset(skb->data, 0, intf->beacon->queue->desc_size);
 
        /*
         * Fill in skb descriptor
         */
-       desc = get_skb_desc(skb);
-       desc->desc_len = ring->desc_size;
-       desc->data_len = skb->len - ring->desc_size;
-       desc->desc = skb->data;
-       desc->data = skb->data + ring->desc_size;
-       desc->ring = ring;
-       desc->entry = entry;
+       skbdesc = get_skb_frame_desc(skb);
+       memset(skbdesc, 0, sizeof(*skbdesc));
+       skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
+       skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+       skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
+       skbdesc->desc = skb->data;
+       skbdesc->desc_len = intf->beacon->queue->desc_size;
+       skbdesc->entry = intf->beacon;
+
+       /*
+        * Disable beaconing while we are reloading the beacon data,
+        * otherwise we might be sending out invalid data.
+        */
+       rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+       rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
+       rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
+       rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+       rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
 
+       /*
+        * mac80211 doesn't provide the control->queue variable
+        * for beacons. Set our own queue identification so
+        * it can be used during descriptor initialization.
+        */
+       control->queue = RT2X00_BCN_QUEUE_BEACON;
        rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
 
        /*
         * Write entire beacon with descriptor to register,
         * and kick the beacon generator.
         */
-       rt2x00pci_register_multiwrite(rt2x00dev, HW_BEACON_BASE0,
+       beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+       rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
                                      skb->data, skb->len);
-       rt61pci_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+       rt61pci_kick_tx_queue(rt2x00dev, control->queue);
 
        return 0;
 }
@@ -2441,14 +2439,13 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = {
        .remove_interface       = rt2x00mac_remove_interface,
        .config                 = rt2x00mac_config,
        .config_interface       = rt2x00mac_config_interface,
-       .configure_filter       = rt61pci_configure_filter,
+       .configure_filter       = rt2x00mac_configure_filter,
        .get_stats              = rt2x00mac_get_stats,
        .set_retry_limit        = rt61pci_set_retry_limit,
        .bss_info_changed       = rt2x00mac_bss_info_changed,
        .conf_tx                = rt2x00mac_conf_tx,
        .get_tx_stats           = rt2x00mac_get_tx_stats,
        .get_tsf                = rt61pci_get_tsf,
-       .reset_tsf              = rt61pci_reset_tsf,
        .beacon_update          = rt61pci_beacon_update,
 };
 
@@ -2456,6 +2453,7 @@ static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
        .irq_handler            = rt61pci_interrupt,
        .probe_hw               = rt61pci_probe_hw,
        .get_firmware_name      = rt61pci_get_firmware_name,
+       .get_firmware_crc       = rt61pci_get_firmware_crc,
        .load_firmware          = rt61pci_load_firmware,
        .initialize             = rt2x00pci_initialize,
        .uninitialize           = rt2x00pci_uninitialize,
@@ -2470,19 +2468,42 @@ static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
        .write_tx_data          = rt2x00pci_write_tx_data,
        .kick_tx_queue          = rt61pci_kick_tx_queue,
        .fill_rxdone            = rt61pci_fill_rxdone,
-       .config_mac_addr        = rt61pci_config_mac_addr,
-       .config_bssid           = rt61pci_config_bssid,
-       .config_type            = rt61pci_config_type,
-       .config_preamble        = rt61pci_config_preamble,
+       .config_filter          = rt61pci_config_filter,
+       .config_intf            = rt61pci_config_intf,
+       .config_erp             = rt61pci_config_erp,
        .config                 = rt61pci_config,
 };
 
+static const struct data_queue_desc rt61pci_queue_rx = {
+       .entry_num              = RX_ENTRIES,
+       .data_size              = DATA_FRAME_SIZE,
+       .desc_size              = RXD_DESC_SIZE,
+       .priv_size              = sizeof(struct queue_entry_priv_pci_rx),
+};
+
+static const struct data_queue_desc rt61pci_queue_tx = {
+       .entry_num              = TX_ENTRIES,
+       .data_size              = DATA_FRAME_SIZE,
+       .desc_size              = TXD_DESC_SIZE,
+       .priv_size              = sizeof(struct queue_entry_priv_pci_tx),
+};
+
+static const struct data_queue_desc rt61pci_queue_bcn = {
+       .entry_num              = 4 * BEACON_ENTRIES,
+       .data_size              = MGMT_FRAME_SIZE,
+       .desc_size              = TXINFO_SIZE,
+       .priv_size              = sizeof(struct queue_entry_priv_pci_tx),
+};
+
 static const struct rt2x00_ops rt61pci_ops = {
        .name           = KBUILD_MODNAME,
-       .rxd_size       = RXD_DESC_SIZE,
-       .txd_size       = TXD_DESC_SIZE,
+       .max_sta_intf   = 1,
+       .max_ap_intf    = 4,
        .eeprom_size    = EEPROM_SIZE,
        .rf_size        = RF_SIZE,
+       .rx             = &rt61pci_queue_rx,
+       .tx             = &rt61pci_queue_tx,
+       .bcn            = &rt61pci_queue_bcn,
        .lib            = &rt61pci_rt2x00_ops,
        .hw             = &rt61pci_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS