libertas: move association code from join.c into scan.c
[safe/jmp/linux-2.6] / drivers / net / wireless / libertas / main.c
index 5b4a134..15c9cc8 100644 (file)
@@ -6,7 +6,6 @@
 
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
-#include <linux/freezer.h>
 #include <linux/etherdevice.h>
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include "wext.h"
 #include "debugfs.h"
 #include "assoc.h"
+#include "cmd.h"
 
-#define DRIVER_RELEASE_VERSION "322.p1"
-const char libertas_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
+#define DRIVER_RELEASE_VERSION "323.p0"
+const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
 #ifdef  DEBUG
     "-dbg"
 #endif
@@ -31,80 +31,85 @@ const char libertas_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION
 
 
 /* Module parameters */
-unsigned int libertas_debug = 0;
-module_param(libertas_debug, int, 0644);
-EXPORT_SYMBOL_GPL(libertas_debug);
+unsigned int lbs_debug;
+EXPORT_SYMBOL_GPL(lbs_debug);
+module_param_named(libertas_debug, lbs_debug, int, 0644);
 
 
-#define WLAN_TX_PWR_DEFAULT            20      /*100mW */
-#define WLAN_TX_PWR_US_DEFAULT         20      /*100mW */
-#define WLAN_TX_PWR_JP_DEFAULT         16      /*50mW */
-#define WLAN_TX_PWR_FR_DEFAULT         20      /*100mW */
-#define WLAN_TX_PWR_EMEA_DEFAULT       20      /*100mW */
+/* This global structure is used to send the confirm_sleep command as
+ * fast as possible down to the firmware. */
+struct cmd_confirm_sleep confirm_sleep;
+
+
+#define LBS_TX_PWR_DEFAULT             20      /*100mW */
+#define LBS_TX_PWR_US_DEFAULT          20      /*100mW */
+#define LBS_TX_PWR_JP_DEFAULT          16      /*50mW */
+#define LBS_TX_PWR_FR_DEFAULT          20      /*100mW */
+#define LBS_TX_PWR_EMEA_DEFAULT        20      /*100mW */
 
 /* Format { channel, frequency (MHz), maxtxpower } */
 /* band: 'B/G', region: USA FCC/Canada IC */
 static struct chan_freq_power channel_freq_power_US_BG[] = {
-       {1, 2412, WLAN_TX_PWR_US_DEFAULT},
-       {2, 2417, WLAN_TX_PWR_US_DEFAULT},
-       {3, 2422, WLAN_TX_PWR_US_DEFAULT},
-       {4, 2427, WLAN_TX_PWR_US_DEFAULT},
-       {5, 2432, WLAN_TX_PWR_US_DEFAULT},
-       {6, 2437, WLAN_TX_PWR_US_DEFAULT},
-       {7, 2442, WLAN_TX_PWR_US_DEFAULT},
-       {8, 2447, WLAN_TX_PWR_US_DEFAULT},
-       {9, 2452, WLAN_TX_PWR_US_DEFAULT},
-       {10, 2457, WLAN_TX_PWR_US_DEFAULT},
-       {11, 2462, WLAN_TX_PWR_US_DEFAULT}
+       {1, 2412, LBS_TX_PWR_US_DEFAULT},
+       {2, 2417, LBS_TX_PWR_US_DEFAULT},
+       {3, 2422, LBS_TX_PWR_US_DEFAULT},
+       {4, 2427, LBS_TX_PWR_US_DEFAULT},
+       {5, 2432, LBS_TX_PWR_US_DEFAULT},
+       {6, 2437, LBS_TX_PWR_US_DEFAULT},
+       {7, 2442, LBS_TX_PWR_US_DEFAULT},
+       {8, 2447, LBS_TX_PWR_US_DEFAULT},
+       {9, 2452, LBS_TX_PWR_US_DEFAULT},
+       {10, 2457, LBS_TX_PWR_US_DEFAULT},
+       {11, 2462, LBS_TX_PWR_US_DEFAULT}
 };
 
 /* band: 'B/G', region: Europe ETSI */
 static struct chan_freq_power channel_freq_power_EU_BG[] = {
-       {1, 2412, WLAN_TX_PWR_EMEA_DEFAULT},
-       {2, 2417, WLAN_TX_PWR_EMEA_DEFAULT},
-       {3, 2422, WLAN_TX_PWR_EMEA_DEFAULT},
-       {4, 2427, WLAN_TX_PWR_EMEA_DEFAULT},
-       {5, 2432, WLAN_TX_PWR_EMEA_DEFAULT},
-       {6, 2437, WLAN_TX_PWR_EMEA_DEFAULT},
-       {7, 2442, WLAN_TX_PWR_EMEA_DEFAULT},
-       {8, 2447, WLAN_TX_PWR_EMEA_DEFAULT},
-       {9, 2452, WLAN_TX_PWR_EMEA_DEFAULT},
-       {10, 2457, WLAN_TX_PWR_EMEA_DEFAULT},
-       {11, 2462, WLAN_TX_PWR_EMEA_DEFAULT},
-       {12, 2467, WLAN_TX_PWR_EMEA_DEFAULT},
-       {13, 2472, WLAN_TX_PWR_EMEA_DEFAULT}
+       {1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
+       {2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
+       {3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
+       {4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
+       {5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
+       {6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
+       {7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
+       {8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
+       {9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
+       {10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
+       {11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
+       {12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
+       {13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
 };
 
 /* band: 'B/G', region: Spain */
 static struct chan_freq_power channel_freq_power_SPN_BG[] = {
-       {10, 2457, WLAN_TX_PWR_DEFAULT},
-       {11, 2462, WLAN_TX_PWR_DEFAULT}
+       {10, 2457, LBS_TX_PWR_DEFAULT},
+       {11, 2462, LBS_TX_PWR_DEFAULT}
 };
 
 /* band: 'B/G', region: France */
 static struct chan_freq_power channel_freq_power_FR_BG[] = {
-       {10, 2457, WLAN_TX_PWR_FR_DEFAULT},
-       {11, 2462, WLAN_TX_PWR_FR_DEFAULT},
-       {12, 2467, WLAN_TX_PWR_FR_DEFAULT},
-       {13, 2472, WLAN_TX_PWR_FR_DEFAULT}
+       {10, 2457, LBS_TX_PWR_FR_DEFAULT},
+       {11, 2462, LBS_TX_PWR_FR_DEFAULT},
+       {12, 2467, LBS_TX_PWR_FR_DEFAULT},
+       {13, 2472, LBS_TX_PWR_FR_DEFAULT}
 };
 
 /* band: 'B/G', region: Japan */
 static struct chan_freq_power channel_freq_power_JPN_BG[] = {
-       {1, 2412, WLAN_TX_PWR_JP_DEFAULT},
-       {2, 2417, WLAN_TX_PWR_JP_DEFAULT},
-       {3, 2422, WLAN_TX_PWR_JP_DEFAULT},
-       {4, 2427, WLAN_TX_PWR_JP_DEFAULT},
-       {5, 2432, WLAN_TX_PWR_JP_DEFAULT},
-       {6, 2437, WLAN_TX_PWR_JP_DEFAULT},
-       {7, 2442, WLAN_TX_PWR_JP_DEFAULT},
-       {8, 2447, WLAN_TX_PWR_JP_DEFAULT},
-       {9, 2452, WLAN_TX_PWR_JP_DEFAULT},
-       {10, 2457, WLAN_TX_PWR_JP_DEFAULT},
-       {11, 2462, WLAN_TX_PWR_JP_DEFAULT},
-       {12, 2467, WLAN_TX_PWR_JP_DEFAULT},
-       {13, 2472, WLAN_TX_PWR_JP_DEFAULT},
-       {14, 2484, WLAN_TX_PWR_JP_DEFAULT}
+       {1, 2412, LBS_TX_PWR_JP_DEFAULT},
+       {2, 2417, LBS_TX_PWR_JP_DEFAULT},
+       {3, 2422, LBS_TX_PWR_JP_DEFAULT},
+       {4, 2427, LBS_TX_PWR_JP_DEFAULT},
+       {5, 2432, LBS_TX_PWR_JP_DEFAULT},
+       {6, 2437, LBS_TX_PWR_JP_DEFAULT},
+       {7, 2442, LBS_TX_PWR_JP_DEFAULT},
+       {8, 2447, LBS_TX_PWR_JP_DEFAULT},
+       {9, 2452, LBS_TX_PWR_JP_DEFAULT},
+       {10, 2457, LBS_TX_PWR_JP_DEFAULT},
+       {11, 2462, LBS_TX_PWR_JP_DEFAULT},
+       {12, 2467, LBS_TX_PWR_JP_DEFAULT},
+       {13, 2472, LBS_TX_PWR_JP_DEFAULT},
+       {14, 2484, LBS_TX_PWR_JP_DEFAULT}
 };
 
 /**
@@ -122,28 +127,28 @@ struct region_cfp_table {
 static struct region_cfp_table region_cfp_table[] = {
        {0x10,                  /*US FCC */
         channel_freq_power_US_BG,
-        sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power),
+        ARRAY_SIZE(channel_freq_power_US_BG),
         }
        ,
        {0x20,                  /*CANADA IC */
         channel_freq_power_US_BG,
-        sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power),
+        ARRAY_SIZE(channel_freq_power_US_BG),
         }
        ,
        {0x30, /*EU*/ channel_freq_power_EU_BG,
-        sizeof(channel_freq_power_EU_BG) / sizeof(struct chan_freq_power),
+        ARRAY_SIZE(channel_freq_power_EU_BG),
         }
        ,
        {0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
-        sizeof(channel_freq_power_SPN_BG) / sizeof(struct chan_freq_power),
+        ARRAY_SIZE(channel_freq_power_SPN_BG),
         }
        ,
        {0x32, /*FRANCE*/ channel_freq_power_FR_BG,
-        sizeof(channel_freq_power_FR_BG) / sizeof(struct chan_freq_power),
+        ARRAY_SIZE(channel_freq_power_FR_BG),
         }
        ,
        {0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
-        sizeof(channel_freq_power_JPN_BG) / sizeof(struct chan_freq_power),
+        ARRAY_SIZE(channel_freq_power_JPN_BG),
         }
        ,
 /*Add new region here */
@@ -152,13 +157,13 @@ static struct region_cfp_table region_cfp_table[] = {
 /**
  * the table to keep region code
  */
-u16 libertas_region_code_to_index[MRVDRV_MAX_REGION_CODE] =
+u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] =
     { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };
 
 /**
  * 802.11b/g supported bitrates (in 500Kb/s units)
  */
-u8 libertas_bg_rates[MAX_RATES] =
+u8 lbs_bg_rates[MAX_RATES] =
     { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
 0x00, 0x00 };
 
@@ -178,7 +183,7 @@ static u8 fw_data_rates[MAX_RATES] =
  *  @param idx                The index of data rate
  *  @return                    data rate or 0
  */
-u32 libertas_fw_index_to_data_rate(u8 idx)
+u32 lbs_fw_index_to_data_rate(u8 idx)
 {
        if (idx >= sizeof(fw_data_rates))
                idx = 0;
@@ -191,7 +196,7 @@ u32 libertas_fw_index_to_data_rate(u8 idx)
  *  @param rate                 data rate
  *  @return                    index or 0
  */
-u8 libertas_data_rate_to_fw_index(u32 rate)
+u8 lbs_data_rate_to_fw_index(u32 rate)
 {
        u8 i;
 
@@ -212,16 +217,18 @@ u8 libertas_data_rate_to_fw_index(u32 rate)
 /**
  * @brief Get function for sysfs attribute anycast_mask
  */
-static ssize_t libertas_anycast_get(struct device * dev,
+static ssize_t lbs_anycast_get(struct device *dev,
                struct device_attribute *attr, char * buf)
 {
+       struct lbs_private *priv = to_net_dev(dev)->priv;
        struct cmd_ds_mesh_access mesh_access;
+       int ret;
 
        memset(&mesh_access, 0, sizeof(mesh_access));
-       libertas_prepare_and_send_command(to_net_dev(dev)->priv,
-                       CMD_MESH_ACCESS,
-                       CMD_ACT_MESH_GET_ANYCAST,
-                       CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
+
+       ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
+       if (ret)
+               return ret;
 
        return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
 }
@@ -229,435 +236,402 @@ static ssize_t libertas_anycast_get(struct device * dev,
 /**
  * @brief Set function for sysfs attribute anycast_mask
  */
-static ssize_t libertas_anycast_set(struct device * dev,
+static ssize_t lbs_anycast_set(struct device *dev,
                struct device_attribute *attr, const char * buf, size_t count)
 {
+       struct lbs_private *priv = to_net_dev(dev)->priv;
        struct cmd_ds_mesh_access mesh_access;
        uint32_t datum;
+       int ret;
 
        memset(&mesh_access, 0, sizeof(mesh_access));
        sscanf(buf, "%x", &datum);
        mesh_access.data[0] = cpu_to_le32(datum);
 
-       libertas_prepare_and_send_command((to_net_dev(dev))->priv,
-                       CMD_MESH_ACCESS,
-                       CMD_ACT_MESH_SET_ANYCAST,
-                       CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
+       ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
+       if (ret)
+               return ret;
+
        return strlen(buf);
 }
 
+static int lbs_add_rtap(struct lbs_private *priv);
+static void lbs_remove_rtap(struct lbs_private *priv);
+static int lbs_add_mesh(struct lbs_private *priv);
+static void lbs_remove_mesh(struct lbs_private *priv);
+
+
 /**
- * anycast_mask attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/anycast_mask)
+ * Get function for sysfs attribute rtap
  */
-static DEVICE_ATTR(anycast_mask, 0644, libertas_anycast_get, libertas_anycast_set);
-
-static ssize_t libertas_autostart_enabled_get(struct device * dev,
+static ssize_t lbs_rtap_get(struct device *dev,
                struct device_attribute *attr, char * buf)
 {
-       struct cmd_ds_mesh_access mesh_access;
-
-       memset(&mesh_access, 0, sizeof(mesh_access));
-       libertas_prepare_and_send_command(to_net_dev(dev)->priv,
-                       CMD_MESH_ACCESS,
-                       CMD_ACT_MESH_GET_AUTOSTART_ENABLED,
-                       CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
-
-       return sprintf(buf, "%d\n", le32_to_cpu(mesh_access.data[0]));
+       struct lbs_private *priv = to_net_dev(dev)->priv;
+       return snprintf(buf, 5, "0x%X\n", priv->monitormode);
 }
 
-static ssize_t libertas_autostart_enabled_set(struct device * dev,
+/**
+ *  Set function for sysfs attribute rtap
+ */
+static ssize_t lbs_rtap_set(struct device *dev,
                struct device_attribute *attr, const char * buf, size_t count)
 {
-       struct cmd_ds_mesh_access mesh_access;
-       uint32_t datum;
-
-       memset(&mesh_access, 0, sizeof(mesh_access));
-       sscanf(buf, "%d", &datum);
-       mesh_access.data[0] = cpu_to_le32(datum);
-
-       libertas_prepare_and_send_command((to_net_dev(dev))->priv,
-                       CMD_MESH_ACCESS,
-                       CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
-                       CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
-       return strlen(buf);
-}
-
-static DEVICE_ATTR(autostart_enabled, 0644,
-               libertas_autostart_enabled_get, libertas_autostart_enabled_set);
-
-static struct attribute *libertas_mesh_sysfs_entries[] = {
-       &dev_attr_anycast_mask.attr,
-       &dev_attr_autostart_enabled.attr,
-       NULL,
-};
+       int monitor_mode;
+       struct lbs_private *priv = to_net_dev(dev)->priv;
+
+       sscanf(buf, "%x", &monitor_mode);
+       if (monitor_mode) {
+               if (priv->monitormode == monitor_mode)
+                       return strlen(buf);
+               if (!priv->monitormode) {
+                       if (priv->infra_open || priv->mesh_open)
+                               return -EBUSY;
+                       if (priv->mode == IW_MODE_INFRA)
+                               lbs_send_deauthentication(priv);
+                       else if (priv->mode == IW_MODE_ADHOC)
+                               lbs_stop_adhoc_network(priv);
+                       lbs_add_rtap(priv);
+               }
+               priv->monitormode = monitor_mode;
+       }
 
-static struct attribute_group libertas_mesh_attr_group = {
-       .attrs = libertas_mesh_sysfs_entries,
-};
+       else {
+               if (!priv->monitormode)
+                       return strlen(buf);
+               priv->monitormode = 0;
+               lbs_remove_rtap(priv);
 
-/**
- *  @brief Check if the device can be open and wait if necessary.
- *
- *  @param dev     A pointer to net_device structure
- *  @return       0
- *
- * For USB adapter, on some systems the device open handler will be
- * called before FW ready. Use the following flag check and wait
- * function to work around the issue.
- *
- */
-static int pre_open_check(struct net_device *dev)
-{
-       wlan_private *priv = (wlan_private *) dev->priv;
-       wlan_adapter *adapter = priv->adapter;
-       int i = 0;
+               if (priv->currenttxskb) {
+                       dev_kfree_skb_any(priv->currenttxskb);
+                       priv->currenttxskb = NULL;
+               }
 
-       while (!adapter->fw_ready && i < 20) {
-               i++;
-               msleep_interruptible(100);
-       }
-       if (!adapter->fw_ready) {
-               lbs_pr_err("firmware not ready\n");
-               return -1;
+               /* Wake queues, command thread, etc. */
+               lbs_host_to_card_done(priv);
        }
 
-       return 0;
+       lbs_prepare_and_send_command(priv,
+                       CMD_802_11_MONITOR_MODE, CMD_ACT_SET,
+                       CMD_OPTION_WAITFORRSP, 0, &priv->monitormode);
+       return strlen(buf);
 }
 
 /**
- *  @brief This function opens the device
- *
- *  @param dev     A pointer to net_device structure
- *  @return       0
+ * lbs_rtap attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_rtap)
  */
-static int libertas_dev_open(struct net_device *dev)
-{
-       wlan_private *priv = (wlan_private *) dev->priv;
-       wlan_adapter *adapter = priv->adapter;
-
-       lbs_deb_enter(LBS_DEB_NET);
-
-       priv->open = 1;
-
-       if (adapter->connect_status == LIBERTAS_CONNECTED) {
-               netif_carrier_on(priv->dev);
-               if (priv->mesh_dev)
-                       netif_carrier_on(priv->mesh_dev);
-       } else {
-               netif_carrier_off(priv->dev);
-               if (priv->mesh_dev)
-                       netif_carrier_off(priv->mesh_dev);
-       }
+static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
 
-       lbs_deb_leave(LBS_DEB_NET);
-       return 0;
-}
 /**
- *  @brief This function opens the mshX interface
- *
- *  @param dev     A pointer to net_device structure
- *  @return       0
+ * Get function for sysfs attribute mesh
  */
-static int libertas_mesh_open(struct net_device *dev)
+static ssize_t lbs_mesh_get(struct device *dev,
+               struct device_attribute *attr, char * buf)
 {
-       wlan_private *priv = (wlan_private *) dev->priv ;
-
-       if (pre_open_check(dev) == -1)
-               return -1;
-       priv->mesh_open = 1 ;
-       netif_wake_queue(priv->mesh_dev);
-       if (priv->infra_open == 0)
-               return libertas_dev_open(priv->dev) ;
-       return 0;
+       struct lbs_private *priv = to_net_dev(dev)->priv;
+       return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
 }
 
 /**
- *  @brief This function opens the ethX interface
- *
- *  @param dev     A pointer to net_device structure
- *  @return       0
+ *  Set function for sysfs attribute mesh
  */
-static int libertas_open(struct net_device *dev)
+static ssize_t lbs_mesh_set(struct device *dev,
+               struct device_attribute *attr, const char * buf, size_t count)
 {
-       wlan_private *priv = (wlan_private *) dev->priv ;
-
-       if(pre_open_check(dev) == -1)
-               return -1;
-       priv->infra_open = 1 ;
-       netif_wake_queue(priv->dev);
-       if (priv->open == 0)
-               return libertas_dev_open(priv->dev) ;
-       return 0;
-}
+       struct lbs_private *priv = to_net_dev(dev)->priv;
+       int enable;
+       int ret;
 
-static int libertas_dev_close(struct net_device *dev)
-{
-       wlan_private *priv = dev->priv;
+       sscanf(buf, "%x", &enable);
+       enable = !!enable;
+       if (enable == !!priv->mesh_dev)
+               return count;
 
-       lbs_deb_enter(LBS_DEB_NET);
+       ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel);
+       if (ret)
+               return ret;
 
-       netif_carrier_off(priv->dev);
-       priv->open = 0;
+       if (enable)
+               lbs_add_mesh(priv);
+       else
+               lbs_remove_mesh(priv);
 
-       lbs_deb_leave(LBS_DEB_NET);
-       return 0;
+       return count;
 }
 
 /**
- *  @brief This function closes the mshX interface
- *
- *  @param dev     A pointer to net_device structure
- *  @return       0
+ * lbs_mesh attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_mesh)
  */
-static int libertas_mesh_close(struct net_device *dev)
-{
-       wlan_private *priv = (wlan_private *) (dev->priv);
+static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
 
-       priv->mesh_open = 0;
-       netif_stop_queue(priv->mesh_dev);
-       if (priv->infra_open == 0)
-               return libertas_dev_close(dev);
-       else
-               return 0;
-}
+/**
+ * anycast_mask attribute to be exported per mshX interface
+ * through sysfs (/sys/class/net/mshX/anycast_mask)
+ */
+static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
+
+static struct attribute *lbs_mesh_sysfs_entries[] = {
+       &dev_attr_anycast_mask.attr,
+       NULL,
+};
+
+static struct attribute_group lbs_mesh_attr_group = {
+       .attrs = lbs_mesh_sysfs_entries,
+};
 
 /**
- *  @brief This function closes the ethX interface
+ *  @brief This function opens the ethX or mshX interface
  *
  *  @param dev     A pointer to net_device structure
- *  @return       0
+ *  @return       0 or -EBUSY if monitor mode active
  */
-static int libertas_close(struct net_device *dev)
+static int lbs_dev_open(struct net_device *dev)
 {
-       wlan_private *priv = (wlan_private *) dev->priv;
+       struct lbs_private *priv = (struct lbs_private *) dev->priv ;
+       int ret = 0;
 
-       netif_stop_queue(dev);
-       priv->infra_open = 0;
-       if (priv->mesh_open == 0)
-               return libertas_dev_close(dev);
-       else
-               return 0;
-}
+       lbs_deb_enter(LBS_DEB_NET);
 
+       spin_lock_irq(&priv->driver_lock);
 
-static int libertas_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-       int ret = 0;
-       wlan_private *priv = dev->priv;
+       if (priv->monitormode) {
+               ret = -EBUSY;
+               goto out;
+       }
 
-       lbs_deb_enter(LBS_DEB_NET);
+       if (dev == priv->mesh_dev) {
+               priv->mesh_open = 1;
+               priv->mesh_connect_status = LBS_CONNECTED;
+               netif_carrier_on(dev);
+       } else {
+               priv->infra_open = 1;
 
-       if (priv->dnld_sent || priv->adapter->TxLockFlag) {
-               priv->stats.tx_dropped++;
-               goto done;
+               if (priv->connect_status == LBS_CONNECTED)
+                       netif_carrier_on(dev);
+               else
+                       netif_carrier_off(dev);
        }
 
-       netif_stop_queue(priv->dev);
-       if (priv->mesh_dev)
-               netif_stop_queue(priv->mesh_dev);
+       if (!priv->tx_pending_len)
+               netif_wake_queue(dev);
+ out:
 
-       if (libertas_process_tx(priv, skb) == 0)
-               dev->trans_start = jiffies;
-done:
+       spin_unlock_irq(&priv->driver_lock);
        lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
        return ret;
 }
 
 /**
- * @brief Mark mesh packets and handover them to libertas_hard_start_xmit
+ *  @brief This function closes the mshX interface
  *
+ *  @param dev     A pointer to net_device structure
+ *  @return       0
  */
-static int libertas_mesh_pre_start_xmit(struct sk_buff *skb,
-               struct net_device *dev)
+static int lbs_mesh_stop(struct net_device *dev)
 {
-       wlan_private *priv = dev->priv;
-       int ret;
+       struct lbs_private *priv = (struct lbs_private *) (dev->priv);
 
        lbs_deb_enter(LBS_DEB_MESH);
+       spin_lock_irq(&priv->driver_lock);
+
+       priv->mesh_open = 0;
+       priv->mesh_connect_status = LBS_DISCONNECTED;
 
-       SET_MESH_FRAME(skb);
+       netif_stop_queue(dev);
+       netif_carrier_off(dev);
 
-       ret = libertas_hard_start_xmit(skb, priv->dev);
-       lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
-       return ret;
+       spin_unlock_irq(&priv->driver_lock);
+
+       lbs_deb_leave(LBS_DEB_MESH);
+       return 0;
 }
 
 /**
- * @brief Mark non-mesh packets and handover them to libertas_hard_start_xmit
+ *  @brief This function closes the ethX interface
  *
+ *  @param dev     A pointer to net_device structure
+ *  @return       0
  */
-static int libertas_pre_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static int lbs_eth_stop(struct net_device *dev)
 {
-       int ret;
+       struct lbs_private *priv = (struct lbs_private *) dev->priv;
 
        lbs_deb_enter(LBS_DEB_NET);
 
-       UNSET_MESH_FRAME(skb);
+       spin_lock_irq(&priv->driver_lock);
+       priv->infra_open = 0;
+       netif_stop_queue(dev);
+       spin_unlock_irq(&priv->driver_lock);
 
-       ret = libertas_hard_start_xmit(skb, dev);
-       lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
-       return ret;
+       lbs_deb_leave(LBS_DEB_NET);
+       return 0;
 }
 
-static void libertas_tx_timeout(struct net_device *dev)
+static void lbs_tx_timeout(struct net_device *dev)
 {
-       wlan_private *priv = (wlan_private *) dev->priv;
+       struct lbs_private *priv = (struct lbs_private *) dev->priv;
 
        lbs_deb_enter(LBS_DEB_TX);
 
        lbs_pr_err("tx watch dog timeout\n");
 
-       priv->dnld_sent = DNLD_RES_RECEIVED;
        dev->trans_start = jiffies;
 
-       if (priv->adapter->currenttxskb) {
-               if (priv->adapter->radiomode == WLAN_RADIOMODE_RADIOTAP) {
-                       /* If we are here, we have not received feedback from
-                          the previous packet.  Assume TX_FAIL and move on. */
-                       priv->adapter->eventcause = 0x01000000;
-                       libertas_send_tx_feedback(priv);
-               } else
-                       wake_up_interruptible(&priv->waitq);
-       } else if (priv->adapter->connect_status == LIBERTAS_CONNECTED) {
-               netif_wake_queue(priv->dev);
-               if (priv->mesh_dev)
-                       netif_wake_queue(priv->mesh_dev);
+       if (priv->currenttxskb) {
+               priv->eventcause = 0x01000000;
+               lbs_send_tx_feedback(priv);
        }
+       /* XX: Shouldn't we also call into the hw-specific driver
+          to kick it somehow? */
+       lbs_host_to_card_done(priv);
+
+       /* More often than not, this actually happens because the
+          firmware has crapped itself -- rather than just a very
+          busy medium. So send a harmless command, and if/when
+          _that_ times out, we'll kick it in the head. */
+       lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+                                    0, 0, NULL);
 
        lbs_deb_leave(LBS_DEB_TX);
 }
 
+void lbs_host_to_card_done(struct lbs_private *priv)
+{
+       unsigned long flags;
+
+       lbs_deb_enter(LBS_DEB_THREAD);
+
+       spin_lock_irqsave(&priv->driver_lock, flags);
+
+       priv->dnld_sent = DNLD_RES_RECEIVED;
+
+       /* Wake main thread if commands are pending */
+       if (!priv->cur_cmd || priv->tx_pending_len > 0)
+               wake_up_interruptible(&priv->waitq);
+
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+       lbs_deb_leave(LBS_DEB_THREAD);
+}
+EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
+
 /**
  *  @brief This function returns the network statistics
  *
- *  @param dev     A pointer to wlan_private structure
+ *  @param dev     A pointer to struct lbs_private structure
  *  @return       A pointer to net_device_stats structure
  */
-static struct net_device_stats *libertas_get_stats(struct net_device *dev)
+static struct net_device_stats *lbs_get_stats(struct net_device *dev)
 {
-       wlan_private *priv = (wlan_private *) dev->priv;
+       struct lbs_private *priv = (struct lbs_private *) dev->priv;
 
+       lbs_deb_enter(LBS_DEB_NET);
        return &priv->stats;
 }
 
-static int libertas_set_mac_address(struct net_device *dev, void *addr)
+static int lbs_set_mac_address(struct net_device *dev, void *addr)
 {
        int ret = 0;
-       wlan_private *priv = (wlan_private *) dev->priv;
-       wlan_adapter *adapter = priv->adapter;
+       struct lbs_private *priv = (struct lbs_private *) dev->priv;
        struct sockaddr *phwaddr = addr;
+       struct cmd_ds_802_11_mac_address cmd;
 
        lbs_deb_enter(LBS_DEB_NET);
 
        /* In case it was called from the mesh device */
-       dev = priv->dev ;
-
-       memset(adapter->current_addr, 0, ETH_ALEN);
-
-       /* dev->dev_addr is 8 bytes */
-       lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN);
-
-       lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN);
-       memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN);
+       dev = priv->dev;
 
-       ret = libertas_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS,
-                                   CMD_ACT_SET,
-                                   CMD_OPTION_WAITFORRSP, 0, NULL);
+       cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+       cmd.action = cpu_to_le16(CMD_ACT_SET);
+       memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN);
 
+       ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd);
        if (ret) {
                lbs_deb_net("set MAC address failed\n");
-               ret = -1;
                goto done;
        }
 
-       lbs_deb_hex(LBS_DEB_NET, "adapter->macaddr", adapter->current_addr, ETH_ALEN);
-       memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN);
+       memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
+       memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
        if (priv->mesh_dev)
-               memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN);
+               memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
 
 done:
        lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
        return ret;
 }
 
-static int libertas_copy_multicast_address(wlan_adapter * adapter,
+static int lbs_copy_multicast_address(struct lbs_private *priv,
                                     struct net_device *dev)
 {
        int i = 0;
        struct dev_mc_list *mcptr = dev->mc_list;
 
        for (i = 0; i < dev->mc_count; i++) {
-               memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
+               memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
                mcptr = mcptr->next;
        }
-
        return i;
-
 }
 
-static void libertas_set_multicast_list(struct net_device *dev)
+static void lbs_set_multicast_list(struct net_device *dev)
 {
-       wlan_private *priv = dev->priv;
-       wlan_adapter *adapter = priv->adapter;
-       int oldpacketfilter;
+       struct lbs_private *priv = dev->priv;
+       int old_mac_control;
+       DECLARE_MAC_BUF(mac);
 
        lbs_deb_enter(LBS_DEB_NET);
 
-       oldpacketfilter = adapter->currentpacketfilter;
+       old_mac_control = priv->mac_control;
 
        if (dev->flags & IFF_PROMISC) {
                lbs_deb_net("enable promiscuous mode\n");
-               adapter->currentpacketfilter |=
+               priv->mac_control |=
                    CMD_ACT_MAC_PROMISCUOUS_ENABLE;
-               adapter->currentpacketfilter &=
+               priv->mac_control &=
                    ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
                      CMD_ACT_MAC_MULTICAST_ENABLE);
        } else {
                /* Multicast */
-               adapter->currentpacketfilter &=
+               priv->mac_control &=
                    ~CMD_ACT_MAC_PROMISCUOUS_ENABLE;
 
                if (dev->flags & IFF_ALLMULTI || dev->mc_count >
                    MRVDRV_MAX_MULTICAST_LIST_SIZE) {
                        lbs_deb_net( "enabling all multicast\n");
-                       adapter->currentpacketfilter |=
+                       priv->mac_control |=
                            CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
-                       adapter->currentpacketfilter &=
+                       priv->mac_control &=
                            ~CMD_ACT_MAC_MULTICAST_ENABLE;
                } else {
-                       adapter->currentpacketfilter &=
+                       priv->mac_control &=
                            ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
 
                        if (!dev->mc_count) {
                                lbs_deb_net("no multicast addresses, "
                                       "disabling multicast\n");
-                               adapter->currentpacketfilter &=
+                               priv->mac_control &=
                                    ~CMD_ACT_MAC_MULTICAST_ENABLE;
                        } else {
                                int i;
 
-                               adapter->currentpacketfilter |=
+                               priv->mac_control |=
                                    CMD_ACT_MAC_MULTICAST_ENABLE;
 
-                               adapter->nr_of_multicastmacaddr =
-                                   libertas_copy_multicast_address(adapter, dev);
+                               priv->nr_of_multicastmacaddr =
+                                   lbs_copy_multicast_address(priv, dev);
 
                                lbs_deb_net("multicast addresses: %d\n",
                                       dev->mc_count);
 
                                for (i = 0; i < dev->mc_count; i++) {
-                                       lbs_deb_net("Multicast address %d:"
-                                              MAC_FMT "\n", i,
-                                              adapter->multicastlist[i][0],
-                                              adapter->multicastlist[i][1],
-                                              adapter->multicastlist[i][2],
-                                              adapter->multicastlist[i][3],
-                                              adapter->multicastlist[i][4],
-                                              adapter->multicastlist[i][5]);
+                                       lbs_deb_net("Multicast address %d: %s\n",
+                                              i, print_mac(mac,
+                                              priv->multicastlist[i]));
                                }
                                /* send multicast addresses to firmware */
-                               libertas_prepare_and_send_command(priv,
+                               lbs_prepare_and_send_command(priv,
                                                      CMD_MAC_MULTICAST_ADR,
                                                      CMD_ACT_SET, 0, 0,
                                                      NULL);
@@ -665,26 +639,24 @@ static void libertas_set_multicast_list(struct net_device *dev)
                }
        }
 
-       if (adapter->currentpacketfilter != oldpacketfilter) {
-               libertas_set_mac_packet_filter(priv);
-       }
+       if (priv->mac_control != old_mac_control)
+               lbs_set_mac_control(priv);
 
        lbs_deb_leave(LBS_DEB_NET);
 }
 
 /**
- *  @brief This function handles the major jobs in the WLAN driver.
+ *  @brief This function handles the major jobs in the LBS driver.
  *  It handles all events generated by firmware, RX data received
  *  from firmware and TX data sent from kernel.
  *
- *  @param data    A pointer to wlan_thread structure
+ *  @param data    A pointer to lbs_thread structure
  *  @return       0
  */
-static int libertas_thread(void *data)
+static int lbs_thread(void *data)
 {
        struct net_device *dev = data;
-       wlan_private *priv = dev->priv;
-       wlan_adapter *adapter = priv->adapter;
+       struct lbs_private *priv = dev->priv;
        wait_queue_t wait;
        u8 ireg = 0;
 
@@ -693,198 +665,286 @@ static int libertas_thread(void *data)
        init_waitqueue_entry(&wait, current);
 
        for (;;) {
-               lbs_deb_thread( "main-thread 111: intcounter=%d "
-                      "currenttxskb=%p dnld_sent=%d\n",
-                      adapter->intcounter,
-                      adapter->currenttxskb, priv->dnld_sent);
+               int shouldsleep;
+
+               lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+                               priv->intcounter, priv->currenttxskb, priv->dnld_sent);
 
                add_wait_queue(&priv->waitq, &wait);
                set_current_state(TASK_INTERRUPTIBLE);
-               spin_lock_irq(&adapter->driver_lock);
-               if ((adapter->psstate == PS_STATE_SLEEP) ||
-                   (!adapter->intcounter
-                    && (priv->dnld_sent || adapter->cur_cmd ||
-                        list_empty(&adapter->cmdpendingq)))) {
-                       lbs_deb_thread(
-                              "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
-                              adapter->connect_status, adapter->intcounter,
-                              adapter->psmode, adapter->psstate);
-                       spin_unlock_irq(&adapter->driver_lock);
+               spin_lock_irq(&priv->driver_lock);
+
+               if (kthread_should_stop())
+                       shouldsleep = 0;        /* Bye */
+               else if (priv->surpriseremoved)
+                       shouldsleep = 1;        /* We need to wait until we're _told_ to die */
+               else if (priv->psstate == PS_STATE_SLEEP)
+                       shouldsleep = 1;        /* Sleep mode. Nothing we can do till it wakes */
+               else if (priv->intcounter)
+                       shouldsleep = 0;        /* Interrupt pending. Deal with it now */
+               else if (priv->cmd_timed_out)
+                       shouldsleep = 0;        /* Command timed out. Recover */
+               else if (!priv->fw_ready)
+                       shouldsleep = 1;        /* Firmware not ready. We're waiting for it */
+               else if (priv->dnld_sent)
+                       shouldsleep = 1;        /* Something is en route to the device already */
+               else if (priv->tx_pending_len > 0)
+                       shouldsleep = 0;        /* We've a packet to send */
+               else if (priv->cur_cmd)
+                       shouldsleep = 1;        /* Can't send a command; one already running */
+               else if (!list_empty(&priv->cmdpendingq))
+                       shouldsleep = 0;        /* We have a command to send */
+               else
+                       shouldsleep = 1;        /* No command */
+
+               if (shouldsleep) {
+                       lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
+                                      priv->connect_status, priv->intcounter,
+                                      priv->psmode, priv->psstate);
+                       spin_unlock_irq(&priv->driver_lock);
                        schedule();
                } else
-                       spin_unlock_irq(&adapter->driver_lock);
-
+                       spin_unlock_irq(&priv->driver_lock);
 
-               lbs_deb_thread(
-                      "main-thread 222 (waking up): intcounter=%d currenttxskb=%p "
-                      "dnld_sent=%d\n", adapter->intcounter,
-                      adapter->currenttxskb, priv->dnld_sent);
+               lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+                              priv->intcounter, priv->currenttxskb, priv->dnld_sent);
 
                set_current_state(TASK_RUNNING);
                remove_wait_queue(&priv->waitq, &wait);
-               try_to_freeze();
-
-               lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p "
-                      "dnld_sent=%d\n",
-                      adapter->intcounter,
-                      adapter->currenttxskb, priv->dnld_sent);
-
-               if (kthread_should_stop()
-                   || adapter->surpriseremoved) {
-                       lbs_deb_thread(
-                              "main-thread: break from main thread: surpriseremoved=0x%x\n",
-                              adapter->surpriseremoved);
+
+               lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+                              priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+
+               if (kthread_should_stop()) {
+                       lbs_deb_thread("main-thread: break from main thread\n");
                        break;
                }
 
+               if (priv->surpriseremoved) {
+                       lbs_deb_thread("adapter removed; waiting to die...\n");
+                       continue;
+               }
 
-               spin_lock_irq(&adapter->driver_lock);
-               if (adapter->intcounter) {
+               spin_lock_irq(&priv->driver_lock);
+
+               if (priv->intcounter) {
                        u8 int_status;
-                       adapter->intcounter = 0;
+
+                       priv->intcounter = 0;
                        int_status = priv->hw_get_int_status(priv, &ireg);
 
                        if (int_status) {
-                               lbs_deb_thread(
-                                      "main-thread: reading HOST_INT_STATUS_REG failed\n");
-                               spin_unlock_irq(&adapter->driver_lock);
+                               lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n");
+                               spin_unlock_irq(&priv->driver_lock);
                                continue;
                        }
-                       adapter->hisregcpy |= ireg;
+                       priv->hisregcpy |= ireg;
                }
 
-               lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p "
-                      "dnld_sent=%d\n",
-                      adapter->intcounter,
-                      adapter->currenttxskb, priv->dnld_sent);
+               lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+                              priv->intcounter, priv->currenttxskb, priv->dnld_sent);
 
                /* command response? */
-               if (adapter->hisregcpy & MRVDRV_CMD_UPLD_RDY) {
+               if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) {
                        lbs_deb_thread("main-thread: cmd response ready\n");
 
-                       adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
-                       spin_unlock_irq(&adapter->driver_lock);
-                       libertas_process_rx_command(priv);
-                       spin_lock_irq(&adapter->driver_lock);
+                       priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
+                       spin_unlock_irq(&priv->driver_lock);
+                       lbs_process_rx_command(priv);
+                       spin_lock_irq(&priv->driver_lock);
+               }
+
+               if (priv->cmd_timed_out && priv->cur_cmd) {
+                       struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
+
+                       if (++priv->nr_retries > 10) {
+                               lbs_pr_info("Excessive timeouts submitting command %x\n",
+                                           le16_to_cpu(cmdnode->cmdbuf->command));
+                               lbs_complete_command(priv, cmdnode, -ETIMEDOUT);
+                               priv->nr_retries = 0;
+                       } else {
+                               priv->cur_cmd = NULL;
+                               lbs_pr_info("requeueing command %x due to timeout (#%d)\n",
+                                           le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries);
+
+                               /* Stick it back at the _top_ of the pending queue
+                                  for immediate resubmission */
+                               list_add(&cmdnode->list, &priv->cmdpendingq);
+                       }
                }
+               priv->cmd_timed_out = 0;
 
                /* Any Card Event */
-               if (adapter->hisregcpy & MRVDRV_CARDEVENT) {
+               if (priv->hisregcpy & MRVDRV_CARDEVENT) {
                        lbs_deb_thread("main-thread: Card Event Activity\n");
 
-                       adapter->hisregcpy &= ~MRVDRV_CARDEVENT;
+                       priv->hisregcpy &= ~MRVDRV_CARDEVENT;
 
                        if (priv->hw_read_event_cause(priv)) {
-                               lbs_pr_alert(
-                                      "main-thread: hw_read_event_cause failed\n");
-                               spin_unlock_irq(&adapter->driver_lock);
+                               lbs_pr_alert("main-thread: hw_read_event_cause failed\n");
+                               spin_unlock_irq(&priv->driver_lock);
                                continue;
                        }
-                       spin_unlock_irq(&adapter->driver_lock);
-                       libertas_process_event(priv);
+                       spin_unlock_irq(&priv->driver_lock);
+                       lbs_process_event(priv);
                } else
-                       spin_unlock_irq(&adapter->driver_lock);
+                       spin_unlock_irq(&priv->driver_lock);
+
+               if (!priv->fw_ready)
+                       continue;
 
                /* Check if we need to confirm Sleep Request received previously */
-               if (adapter->psstate == PS_STATE_PRE_SLEEP) {
-                       if (!priv->dnld_sent && !adapter->cur_cmd) {
-                               if (adapter->connect_status ==
-                                   LIBERTAS_CONNECTED) {
-                                       lbs_deb_thread(
-                                              "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p "
-                                              "dnld_sent=%d cur_cmd=%p, confirm now\n",
-                                              adapter->intcounter,
-                                              adapter->currenttxskb,
-                                              priv->dnld_sent,
-                                              adapter->cur_cmd);
-
-                                       libertas_ps_confirm_sleep(priv,
-                                                      (u16) adapter->psmode);
-                               } else {
-                                       /* workaround for firmware sending
-                                        * deauth/linkloss event immediately
-                                        * after sleep request, remove this
-                                        * after firmware fixes it
-                                        */
-                                       adapter->psstate = PS_STATE_AWAKE;
-                                       lbs_pr_alert(
-                                              "main-thread: ignore PS_SleepConfirm in non-connected state\n");
-                               }
+               if (priv->psstate == PS_STATE_PRE_SLEEP &&
+                   !priv->dnld_sent && !priv->cur_cmd) {
+                       if (priv->connect_status == LBS_CONNECTED) {
+                               lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n",
+                                              priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd);
+
+                               lbs_ps_confirm_sleep(priv);
+                       } else {
+                               /* workaround for firmware sending
+                                * deauth/linkloss event immediately
+                                * after sleep request; remove this
+                                * after firmware fixes it
+                                */
+                               priv->psstate = PS_STATE_AWAKE;
+                               lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n");
                        }
                }
 
                /* The PS state is changed during processing of Sleep Request
                 * event above
                 */
-               if ((priv->adapter->psstate == PS_STATE_SLEEP) ||
-                   (priv->adapter->psstate == PS_STATE_PRE_SLEEP))
+               if ((priv->psstate == PS_STATE_SLEEP) ||
+                   (priv->psstate == PS_STATE_PRE_SLEEP))
                        continue;
 
                /* Execute the next command */
-               if (!priv->dnld_sent && !priv->adapter->cur_cmd)
-                       libertas_execute_next_command(priv);
+               if (!priv->dnld_sent && !priv->cur_cmd)
+                       lbs_execute_next_command(priv);
 
                /* Wake-up command waiters which can't sleep in
-                * libertas_prepare_and_send_command
+                * lbs_prepare_and_send_command
                 */
-               if (!adapter->nr_cmd_pending)
-                       wake_up_all(&adapter->cmd_pending);
-
-               libertas_tx_runqueue(priv);
+               if (!list_empty(&priv->cmdpendingq))
+                       wake_up_all(&priv->cmd_pending);
+
+               spin_lock_irq(&priv->driver_lock);
+               if (!priv->dnld_sent && priv->tx_pending_len > 0) {
+                       int ret = priv->hw_host_to_card(priv, MVMS_DAT,
+                                                       priv->tx_pending_buf,
+                                                       priv->tx_pending_len);
+                       if (ret) {
+                               lbs_deb_tx("host_to_card failed %d\n", ret);
+                               priv->dnld_sent = DNLD_RES_RECEIVED;
+                       }
+                       priv->tx_pending_len = 0;
+                       if (!priv->currenttxskb) {
+                               /* We can wake the queues immediately if we aren't
+                                  waiting for TX feedback */
+                               if (priv->connect_status == LBS_CONNECTED)
+                                       netif_wake_queue(priv->dev);
+                               if (priv->mesh_dev &&
+                                   priv->mesh_connect_status == LBS_CONNECTED)
+                                       netif_wake_queue(priv->mesh_dev);
+                       }
+               }
+               spin_unlock_irq(&priv->driver_lock);
        }
 
-       del_timer(&adapter->command_timer);
-       adapter->nr_cmd_pending = 0;
-       wake_up_all(&adapter->cmd_pending);
+       del_timer(&priv->command_timer);
+       wake_up_all(&priv->cmd_pending);
 
        lbs_deb_leave(LBS_DEB_THREAD);
        return 0;
 }
 
+static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy,
+                               struct cmd_header *cmd)
+{
+       lbs_deb_enter(LBS_DEB_FW);
+
+       netif_device_detach(priv->dev);
+       if (priv->mesh_dev)
+               netif_device_detach(priv->mesh_dev);
+
+       priv->fw_ready = 0;
+       lbs_deb_leave(LBS_DEB_FW);
+       return 0;
+}
+
+int lbs_suspend(struct lbs_private *priv)
+{
+       struct cmd_header cmd;
+       int ret;
+
+       lbs_deb_enter(LBS_DEB_FW);
+
+       if (priv->wol_criteria == 0xffffffff) {
+               lbs_pr_info("Suspend attempt without configuring wake params!\n");
+               return -EINVAL;
+       }
+
+       memset(&cmd, 0, sizeof(cmd));
+
+       ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd,
+                       sizeof(cmd), lbs_suspend_callback, 0);
+       if (ret)
+               lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret);
+
+       lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_suspend);
+
+int lbs_resume(struct lbs_private *priv)
+{
+       lbs_deb_enter(LBS_DEB_FW);
+
+       priv->fw_ready = 1;
+
+       /* Firmware doesn't seem to give us RX packets any more
+          until we send it some command. Might as well update */
+       lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+                                    0, 0, NULL);
+
+       netif_device_attach(priv->dev);
+       if (priv->mesh_dev)
+               netif_device_attach(priv->mesh_dev);
+
+       lbs_deb_leave(LBS_DEB_FW);
+       return 0;
+}
+EXPORT_SYMBOL_GPL(lbs_resume);
+
 /**
  *  @brief This function downloads firmware image, gets
  *  HW spec from firmware and set basic parameters to
  *  firmware.
  *
- *  @param priv    A pointer to wlan_private structure
+ *  @param priv    A pointer to struct lbs_private structure
  *  @return       0 or -1
  */
-static int wlan_setup_station_hw(wlan_private * priv)
+static int lbs_setup_firmware(struct lbs_private *priv)
 {
        int ret = -1;
-       wlan_adapter *adapter = priv->adapter;
 
        lbs_deb_enter(LBS_DEB_FW);
 
-       ret = priv->hw_prog_firmware(priv);
-
-       if (ret) {
-               lbs_deb_fw("bootloader in invalid state\n");
-               ret = -1;
-               goto done;
-       }
-
        /*
         * Read MAC address from HW
         */
-       memset(adapter->current_addr, 0xff, ETH_ALEN);
-
-       ret = libertas_prepare_and_send_command(priv, CMD_GET_HW_SPEC,
-                                   0, CMD_OPTION_WAITFORRSP, 0, NULL);
-
+       memset(priv->current_addr, 0xff, ETH_ALEN);
+       ret = lbs_update_hw_spec(priv);
        if (ret) {
                ret = -1;
                goto done;
        }
 
-       libertas_set_mac_packet_filter(priv);
-
-       /* Get the supported Data rates */
-       ret = libertas_prepare_and_send_command(priv, CMD_802_11_DATA_RATE,
-                                   CMD_ACT_GET_TX_RATE,
-                                   CMD_OPTION_WAITFORRSP, 0, NULL);
+       lbs_set_mac_control(priv);
 
-       if (ret) {
+       ret = lbs_get_data_rate(priv);
+       if (ret < 0) {
                ret = -1;
                goto done;
        }
@@ -895,249 +955,142 @@ done:
        return ret;
 }
 
-static void command_timer_fn(unsigned long data);
-
 /**
  *  This function handles the timeout of command sending.
  *  It will re-send the same command again.
  */
 static void command_timer_fn(unsigned long data)
 {
-       wlan_private *priv = (wlan_private *)data;
-       wlan_adapter *adapter = priv->adapter;
-       struct cmd_ctrl_node *ptempnode;
-       struct cmd_ds_command *cmd;
+       struct lbs_private *priv = (struct lbs_private *)data;
        unsigned long flags;
 
-       ptempnode = adapter->cur_cmd;
-       if (ptempnode == NULL) {
-               lbs_deb_fw("ptempnode empty\n");
-               return;
-       }
+       lbs_deb_enter(LBS_DEB_CMD);
+       spin_lock_irqsave(&priv->driver_lock, flags);
 
-       cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr;
-       if (!cmd) {
-               lbs_deb_fw("cmd is NULL\n");
-               return;
+       if (!priv->cur_cmd) {
+               lbs_pr_info("Command timer expired; no pending command\n");
+               goto out;
        }
 
-       lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command);
-
-       if (!adapter->fw_ready)
-               return;
-
-       spin_lock_irqsave(&adapter->driver_lock, flags);
-       adapter->cur_cmd = NULL;
-       spin_unlock_irqrestore(&adapter->driver_lock, flags);
-
-       lbs_deb_fw("re-sending same command because of timeout\n");
-       libertas_queue_cmd(adapter, ptempnode, 0);
+       lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command));
 
+       priv->cmd_timed_out = 1;
        wake_up_interruptible(&priv->waitq);
-
-       return;
+out:
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+       lbs_deb_leave(LBS_DEB_CMD);
 }
 
-static void libertas_free_adapter(wlan_private * priv)
+static void lbs_sync_channel_worker(struct work_struct *work)
 {
-       wlan_adapter *adapter = priv->adapter;
+       struct lbs_private *priv = container_of(work, struct lbs_private,
+               sync_channel);
 
-       if (!adapter) {
-               lbs_deb_fw("why double free adapter?\n");
-               return;
-       }
-
-       lbs_deb_fw("free command buffer\n");
-       libertas_free_cmd_buffer(priv);
-
-       lbs_deb_fw("free command_timer\n");
-       del_timer(&adapter->command_timer);
-
-       lbs_deb_fw("free scan results table\n");
-       kfree(adapter->networks);
-       adapter->networks = NULL;
-
-       /* Free the adapter object itself */
-       lbs_deb_fw("free adapter\n");
-       kfree(adapter);
-       priv->adapter = NULL;
+       lbs_deb_enter(LBS_DEB_MAIN);
+       if (lbs_update_channel(priv))
+               lbs_pr_info("Channel synchronization failed.");
+       lbs_deb_leave(LBS_DEB_MAIN);
 }
 
-static int wlan_allocate_adapter(wlan_private * priv)
+
+static int lbs_init_adapter(struct lbs_private *priv)
 {
        size_t bufsize;
-       wlan_adapter *adapter = priv->adapter;
+       int i, ret = 0;
+
+       lbs_deb_enter(LBS_DEB_MAIN);
 
        /* Allocate buffer to store the BSSID list */
        bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
-       adapter->networks = kzalloc(bufsize, GFP_KERNEL);
-       if (!adapter->networks) {
+       priv->networks = kzalloc(bufsize, GFP_KERNEL);
+       if (!priv->networks) {
                lbs_pr_err("Out of memory allocating beacons\n");
-               libertas_free_adapter(priv);
-               return -ENOMEM;
+               ret = -1;
+               goto out;
        }
 
-       /* Allocate the command buffers */
-       libertas_allocate_cmd_buffer(priv);
-
-       memset(&adapter->libertas_ps_confirm_sleep, 0, sizeof(struct PS_CMD_ConfirmSleep));
-       adapter->libertas_ps_confirm_sleep.seqnum = cpu_to_le16(++adapter->seqnum);
-       adapter->libertas_ps_confirm_sleep.command =
-           cpu_to_le16(CMD_802_11_PS_MODE);
-       adapter->libertas_ps_confirm_sleep.size =
-           cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep));
-       adapter->libertas_ps_confirm_sleep.result = 0;
-       adapter->libertas_ps_confirm_sleep.action =
-           cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
-
-       return 0;
-}
-
-static void wlan_init_adapter(wlan_private * priv)
-{
-       wlan_adapter *adapter = priv->adapter;
-       int i;
-
-       adapter->scanprobes = 0;
-
-       adapter->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR;
-       adapter->data_avg_factor = DEFAULT_DATA_AVG_FACTOR;
-
-       /* ATIM params */
-       adapter->atimwindow = 0;
-
-       adapter->connect_status = LIBERTAS_DISCONNECTED;
-       memset(adapter->current_addr, 0xff, ETH_ALEN);
-
-       /* scan type */
-       adapter->scantype = CMD_SCAN_TYPE_ACTIVE;
-
-       /* scan mode */
-       adapter->scanmode = CMD_BSS_TYPE_ANY;
-
-       /* 802.11 specific */
-       adapter->secinfo.wep_enabled = 0;
-       for (i = 0; i < sizeof(adapter->wep_keys) / sizeof(adapter->wep_keys[0]);
-            i++)
-               memset(&adapter->wep_keys[i], 0, sizeof(struct enc_key));
-       adapter->wep_tx_keyidx = 0;
-       adapter->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
-       adapter->mode = IW_MODE_INFRA;
-
-       adapter->pending_assoc_req = NULL;
-       adapter->in_progress_assoc_req = NULL;
-
        /* Initialize scan result lists */
-       INIT_LIST_HEAD(&adapter->network_free_list);
-       INIT_LIST_HEAD(&adapter->network_list);
+       INIT_LIST_HEAD(&priv->network_free_list);
+       INIT_LIST_HEAD(&priv->network_list);
        for (i = 0; i < MAX_NETWORK_COUNT; i++) {
-               list_add_tail(&adapter->networks[i].list,
-                             &adapter->network_free_list);
+               list_add_tail(&priv->networks[i].list,
+                             &priv->network_free_list);
        }
 
-       mutex_init(&adapter->lock);
-
-       adapter->prescan = 1;
-
-       memset(&adapter->curbssparams, 0, sizeof(adapter->curbssparams));
-       adapter->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
-
-       /* PnP and power profile */
-       adapter->surpriseremoved = 0;
-
-       adapter->currentpacketfilter =
-           CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
-
-       adapter->radioon = RADIO_ON;
+       memset(priv->current_addr, 0xff, ETH_ALEN);
 
-       adapter->auto_rate = 1;
-       adapter->cur_rate = 0;
-       adapter->adhoc_grate_enabled = 0;
+       priv->connect_status = LBS_DISCONNECTED;
+       priv->mesh_connect_status = LBS_DISCONNECTED;
+       priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
+       priv->mode = IW_MODE_INFRA;
+       priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
+       priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
+       priv->radioon = RADIO_ON;
+       priv->auto_rate = 1;
+       priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
+       priv->psmode = LBS802_11POWERMODECAM;
+       priv->psstate = PS_STATE_FULL_POWER;
 
-       adapter->beaconperiod = MRVDRV_BEACON_INTERVAL;
+       mutex_init(&priv->lock);
 
-       // set default capabilities
-       adapter->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
+       setup_timer(&priv->command_timer, command_timer_fn,
+               (unsigned long)priv);
 
-       adapter->psmode = WLAN802_11POWERMODECAM;
-       adapter->multipledtim = MRVDRV_DEFAULT_MULTIPLE_DTIM;
+       INIT_LIST_HEAD(&priv->cmdfreeq);
+       INIT_LIST_HEAD(&priv->cmdpendingq);
 
-       adapter->listeninterval = MRVDRV_DEFAULT_LISTEN_INTERVAL;
+       spin_lock_init(&priv->driver_lock);
+       init_waitqueue_head(&priv->cmd_pending);
 
-       adapter->psstate = PS_STATE_FULL_POWER;
-       adapter->needtowakeup = 0;
-       adapter->locallisteninterval = 0;       /* default value in firmware will be used */
-
-       adapter->intcounter = 0;
-
-       adapter->currenttxskb = NULL;
-       adapter->pkttxctrl = 0;
+       /* Allocate the command buffers */
+       if (lbs_allocate_cmd_buffer(priv)) {
+               lbs_pr_err("Out of memory allocating command buffers\n");
+               ret = -1;
+       }
 
-       memset(&adapter->tx_queue_ps, 0, NR_TX_QUEUE*sizeof(struct sk_buff*));
-       adapter->tx_queue_idx = 0;
-       spin_lock_init(&adapter->txqueue_lock);
+out:
+       lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
 
-       return;
+       return ret;
 }
 
-static int libertas_init_fw(wlan_private * priv)
+static void lbs_free_adapter(struct lbs_private *priv)
 {
-       int ret = -1;
-       wlan_adapter *adapter = priv->adapter;
-
-       lbs_deb_enter(LBS_DEB_FW);
-
-       /* Allocate adapter structure */
-       if ((ret = wlan_allocate_adapter(priv)) != 0)
-               goto done;
-
-       /* init adapter structure */
-       wlan_init_adapter(priv);
-
-       /* init timer etc. */
-       setup_timer(&adapter->command_timer, command_timer_fn,
-                       (unsigned long)priv);
-
-       /* download fimrware etc. */
-       if ((ret = wlan_setup_station_hw(priv)) != 0) {
-               del_timer_sync(&adapter->command_timer);
-               goto done;
-       }
+       lbs_deb_enter(LBS_DEB_MAIN);
 
-       /* init 802.11d */
-       libertas_init_11d(priv);
+       lbs_free_cmd_buffer(priv);
+       del_timer(&priv->command_timer);
+       kfree(priv->networks);
+       priv->networks = NULL;
 
-       ret = 0;
-done:
-       lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
-       return ret;
+       lbs_deb_leave(LBS_DEB_MAIN);
 }
 
 /**
  * @brief This function adds the card. it will probe the
- * card, allocate the wlan_priv and initialize the device.
+ * card, allocate the lbs_priv and initialize the device.
  *
  *  @param card    A pointer to card
- *  @return       A pointer to wlan_private structure
+ *  @return       A pointer to struct lbs_private structure
  */
-wlan_private *libertas_add_card(void *card, struct device *dmdev)
+struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 {
        struct net_device *dev = NULL;
-       wlan_private *priv = NULL;
+       struct lbs_private *priv = NULL;
 
-       lbs_deb_enter(LBS_DEB_NET);
+       lbs_deb_enter(LBS_DEB_MAIN);
 
        /* Allocate an Ethernet device and register it */
-       if (!(dev = alloc_etherdev(sizeof(wlan_private)))) {
+       dev = alloc_etherdev(sizeof(struct lbs_private));
+       if (!dev) {
                lbs_pr_err("init ethX device failed\n");
-               return NULL;
+               goto done;
        }
        priv = dev->priv;
 
-       /* allocate buffer for wlan_adapter */
-       if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) {
-               lbs_pr_err("allocate buffer for wlan_adapter failed\n");
-               goto err_kzalloc;
+       if (lbs_init_adapter(priv)) {
+               lbs_pr_err("failed to initialize adapter structure.\n");
+               goto err_init_adapter;
        }
 
        priv->dev = dev;
@@ -1145,113 +1098,205 @@ wlan_private *libertas_add_card(void *card, struct device *dmdev)
        priv->mesh_open = 0;
        priv->infra_open = 0;
 
-       SET_MODULE_OWNER(dev);
-
        /* Setup the OS Interface to our functions */
-       dev->open = libertas_open;
-       dev->hard_start_xmit = libertas_pre_start_xmit;
-       dev->stop = libertas_close;
-       dev->set_mac_address = libertas_set_mac_address;
-       dev->tx_timeout = libertas_tx_timeout;
-       dev->get_stats = libertas_get_stats;
+       dev->open = lbs_dev_open;
+       dev->hard_start_xmit = lbs_hard_start_xmit;
+       dev->stop = lbs_eth_stop;
+       dev->set_mac_address = lbs_set_mac_address;
+       dev->tx_timeout = lbs_tx_timeout;
+       dev->get_stats = lbs_get_stats;
        dev->watchdog_timeo = 5 * HZ;
-       dev->ethtool_ops = &libertas_ethtool_ops;
+       dev->ethtool_ops = &lbs_ethtool_ops;
 #ifdef WIRELESS_EXT
-       dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def;
+       dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def;
 #endif
-#define NETIF_F_DYNALLOC 16
-       dev->features |= NETIF_F_DYNALLOC;
        dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
-       dev->set_multicast_list = libertas_set_multicast_list;
+       dev->set_multicast_list = lbs_set_multicast_list;
 
        SET_NETDEV_DEV(dev, dmdev);
 
-       INIT_LIST_HEAD(&priv->adapter->cmdfreeq);
-       INIT_LIST_HEAD(&priv->adapter->cmdpendingq);
+       priv->rtap_net_dev = NULL;
+
+       lbs_deb_thread("Starting main thread...\n");
+       init_waitqueue_head(&priv->waitq);
+       priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
+       if (IS_ERR(priv->main_thread)) {
+               lbs_deb_thread("Error creating main thread.\n");
+               goto err_init_adapter;
+       }
+
+       priv->work_thread = create_singlethread_workqueue("lbs_worker");
+       INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker);
+       INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
+       INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);
+
+       sprintf(priv->mesh_ssid, "mesh");
+       priv->mesh_ssid_len = 4;
+
+       priv->wol_criteria = 0xffffffff;
+       priv->wol_gpio = 0xff;
 
-       spin_lock_init(&priv->adapter->driver_lock);
-       init_waitqueue_head(&priv->adapter->cmd_pending);
-       priv->adapter->nr_cmd_pending = 0;
        goto done;
 
-err_kzalloc:
+err_init_adapter:
+       lbs_free_adapter(priv);
        free_netdev(dev);
        priv = NULL;
+
 done:
-       lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv);
+       lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
        return priv;
 }
-EXPORT_SYMBOL_GPL(libertas_add_card);
+EXPORT_SYMBOL_GPL(lbs_add_card);
+
 
-int libertas_activate_card(wlan_private *priv)
+int lbs_remove_card(struct lbs_private *priv)
 {
        struct net_device *dev = priv->dev;
-       int ret = -1;
+       union iwreq_data wrqu;
 
        lbs_deb_enter(LBS_DEB_MAIN);
 
-       lbs_deb_thread("Starting main thread...\n");
-       init_waitqueue_head(&priv->waitq);
-       priv->main_thread = kthread_run(libertas_thread, dev, "libertas_main");
-       if (IS_ERR(priv->main_thread)) {
-               lbs_deb_thread("Error creating main thread.\n");
-               goto done;
-       }
+       lbs_remove_mesh(priv);
+       lbs_remove_rtap(priv);
 
-       priv->assoc_thread =
-               create_singlethread_workqueue("libertas_assoc");
-       INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker);
-       INIT_WORK(&priv->sync_channel, libertas_sync_channel);
+       dev = priv->dev;
 
-       /*
-        * Register the device. Fillup the private data structure with
-        * relevant information from the card and request for the required
-        * IRQ.
-        */
-       if (priv->hw_register_dev(priv) < 0) {
-               lbs_pr_err("failed to register WLAN device\n");
-               goto err_registerdev;
-       }
+       cancel_delayed_work(&priv->scan_work);
+       cancel_delayed_work(&priv->assoc_work);
+       destroy_workqueue(priv->work_thread);
 
-       /* init FW and HW */
-       if (libertas_init_fw(priv)) {
-               lbs_pr_err("firmware init failed\n");
-               goto err_registerdev;
+       if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
+               priv->psmode = LBS802_11POWERMODECAM;
+               lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
        }
 
+       memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN);
+       wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+       wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+
+       /* Stop the thread servicing the interrupts */
+       priv->surpriseremoved = 1;
+       kthread_stop(priv->main_thread);
+
+       lbs_free_adapter(priv);
+
+       priv->dev = NULL;
+       free_netdev(dev);
+
+       lbs_deb_leave(LBS_DEB_MAIN);
+       return 0;
+}
+EXPORT_SYMBOL_GPL(lbs_remove_card);
+
+
+int lbs_start_card(struct lbs_private *priv)
+{
+       struct net_device *dev = priv->dev;
+       int ret = -1;
+
+       lbs_deb_enter(LBS_DEB_MAIN);
+
+       /* poke the firmware */
+       ret = lbs_setup_firmware(priv);
+       if (ret)
+               goto done;
+
+       /* init 802.11d */
+       lbs_init_11d(priv);
+
        if (register_netdev(dev)) {
                lbs_pr_err("cannot register ethX device\n");
-               goto err_init_fw;
+               goto done;
        }
+       if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
+               lbs_pr_err("cannot register lbs_rtap attribute\n");
+
+       lbs_update_channel(priv);
+
+       /* 5.0.16p0 is known to NOT support any mesh */
+       if (priv->fwrelease > 0x05001000) {
+               /* Enable mesh, if supported, and work out which TLV it uses.
+                  0x100 + 291 is an unofficial value used in 5.110.20.pXX
+                  0x100 + 37 is the official value used in 5.110.21.pXX
+                  but we check them in that order because 20.pXX doesn't
+                  give an error -- it just silently fails. */
+
+               /* 5.110.20.pXX firmware will fail the command if the channel
+                  doesn't match the existing channel. But only if the TLV
+                  is correct. If the channel is wrong, _BOTH_ versions will
+                  give an error to 0x100+291, and allow 0x100+37 to succeed.
+                  It's just that 5.110.20.pXX will not have done anything
+                  useful */
+
+               priv->mesh_tlv = 0x100 + 291;
+               if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) {
+                       priv->mesh_tlv = 0x100 + 37;
+                       if (lbs_mesh_config(priv, 1, priv->curbssparams.channel))
+                               priv->mesh_tlv = 0;
+               }
+               if (priv->mesh_tlv) {
+                       lbs_add_mesh(priv);
 
-       lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name);
+                       if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
+                               lbs_pr_err("cannot register lbs_mesh attribute\n");
+               }
+       }
+
+       lbs_debugfs_init_one(priv, dev);
 
-       libertas_debugfs_init_one(priv, dev);
+       lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name);
 
        ret = 0;
-       goto done;
 
-err_init_fw:
-       priv->hw_unregister_dev(priv);
-err_registerdev:
-       destroy_workqueue(priv->assoc_thread);
-       /* Stop the thread servicing the interrupts */
-       wake_up_interruptible(&priv->waitq);
-       kthread_stop(priv->main_thread);
 done:
-       lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
+       lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
        return ret;
 }
-EXPORT_SYMBOL_GPL(libertas_activate_card);
+EXPORT_SYMBOL_GPL(lbs_start_card);
+
+
+int lbs_stop_card(struct lbs_private *priv)
+{
+       struct net_device *dev = priv->dev;
+       int ret = -1;
+       struct cmd_ctrl_node *cmdnode;
+       unsigned long flags;
+
+       lbs_deb_enter(LBS_DEB_MAIN);
+
+       netif_stop_queue(priv->dev);
+       netif_carrier_off(priv->dev);
+
+       lbs_debugfs_remove_one(priv);
+       device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
+       if (priv->mesh_tlv)
+               device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
+
+       /* Flush pending command nodes */
+       spin_lock_irqsave(&priv->driver_lock, flags);
+       list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
+               cmdnode->result = -ENOENT;
+               cmdnode->cmdwaitqwoken = 1;
+               wake_up_interruptible(&cmdnode->cmdwait_q);
+       }
+       spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+       unregister_netdev(dev);
+
+       lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_stop_card);
 
 
 /**
  * @brief This function adds mshX interface
  *
- *  @param priv    A pointer to the wlan_private structure
+ *  @param priv    A pointer to the struct lbs_private structure
  *  @return       0 if successful, -X otherwise
  */
-int libertas_add_mesh(wlan_private *priv, struct device *dev)
+static int lbs_add_mesh(struct lbs_private *priv)
 {
        struct net_device *mesh_dev = NULL;
        int ret = 0;
@@ -1267,24 +1312,20 @@ int libertas_add_mesh(wlan_private *priv, struct device *dev)
        mesh_dev->priv = priv;
        priv->mesh_dev = mesh_dev;
 
-       SET_MODULE_OWNER(mesh_dev);
-
-       mesh_dev->open = libertas_mesh_open;
-       mesh_dev->hard_start_xmit = libertas_mesh_pre_start_xmit;
-       mesh_dev->stop = libertas_mesh_close;
-       mesh_dev->get_stats = libertas_get_stats;
-       mesh_dev->set_mac_address = libertas_set_mac_address;
-       mesh_dev->ethtool_ops = &libertas_ethtool_ops;
+       mesh_dev->open = lbs_dev_open;
+       mesh_dev->hard_start_xmit = lbs_hard_start_xmit;
+       mesh_dev->stop = lbs_mesh_stop;
+       mesh_dev->get_stats = lbs_get_stats;
+       mesh_dev->set_mac_address = lbs_set_mac_address;
+       mesh_dev->ethtool_ops = &lbs_ethtool_ops;
        memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
                        sizeof(priv->dev->dev_addr));
 
-       SET_NETDEV_DEV(priv->mesh_dev, dev);
+       SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
 
 #ifdef WIRELESS_EXT
        mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;
 #endif
-#define NETIF_F_DYNALLOC 16
-
        /* Register virtual mesh interface */
        ret = register_netdev(mesh_dev);
        if (ret) {
@@ -1292,7 +1333,7 @@ int libertas_add_mesh(wlan_private *priv, struct device *dev)
                goto err_free;
        }
 
-       ret = sysfs_create_group(&(mesh_dev->dev.kobj), &libertas_mesh_attr_group);
+       ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
        if (ret)
                goto err_unregister;
 
@@ -1310,107 +1351,25 @@ done:
        lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
        return ret;
 }
-EXPORT_SYMBOL_GPL(libertas_add_mesh);
 
-static void wake_pending_cmdnodes(wlan_private *priv)
-{
-       struct cmd_ctrl_node *cmdnode;
-       unsigned long flags;
-
-       lbs_deb_enter(LBS_DEB_HOST);
-
-       spin_lock_irqsave(&priv->adapter->driver_lock, flags);
-       list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) {
-               cmdnode->cmdwaitqwoken = 1;
-               wake_up_interruptible(&cmdnode->cmdwait_q);
-       }
-       spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
-}
-
-
-int libertas_remove_card(wlan_private *priv)
-{
-       wlan_adapter *adapter;
-       struct net_device *dev;
-       union iwreq_data wrqu;
-
-       lbs_deb_enter(LBS_DEB_NET);
-
-       if (!priv)
-               goto out;
-
-       adapter = priv->adapter;
-
-       if (!adapter)
-               goto out;
-
-       dev = priv->dev;
-
-       netif_stop_queue(priv->dev);
-       netif_carrier_off(priv->dev);
-
-       wake_pending_cmdnodes(priv);
-
-       unregister_netdev(dev);
-
-       cancel_delayed_work(&priv->assoc_work);
-       destroy_workqueue(priv->assoc_thread);
-
-       if (adapter->psmode == WLAN802_11POWERMODEMAX_PSP) {
-               adapter->psmode = WLAN802_11POWERMODECAM;
-               libertas_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
-       }
-
-       memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN);
-       wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-       wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
-       adapter->surpriseremoved = 1;
-
-       /* Stop the thread servicing the interrupts */
-       kthread_stop(priv->main_thread);
-
-       libertas_debugfs_remove_one(priv);
-
-       lbs_deb_net("free adapter\n");
-       libertas_free_adapter(priv);
-
-       lbs_deb_net("unregister finish\n");
-
-       priv->dev = NULL;
-       free_netdev(dev);
-
-out:
-       lbs_deb_leave(LBS_DEB_NET);
-       return 0;
-}
-EXPORT_SYMBOL_GPL(libertas_remove_card);
-
-
-void libertas_remove_mesh(wlan_private *priv)
+static void lbs_remove_mesh(struct lbs_private *priv)
 {
        struct net_device *mesh_dev;
 
-       lbs_deb_enter(LBS_DEB_NET);
-
-       if (!priv)
-               goto out;
 
        mesh_dev = priv->mesh_dev;
+       if (!mesh_dev)
+               return;
 
+       lbs_deb_enter(LBS_DEB_MESH);
        netif_stop_queue(mesh_dev);
        netif_carrier_off(priv->mesh_dev);
-
-       sysfs_remove_group(&(mesh_dev->dev.kobj), &libertas_mesh_attr_group);
+       sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
        unregister_netdev(mesh_dev);
-
-       priv->mesh_dev = NULL ;
+       priv->mesh_dev = NULL;
        free_netdev(mesh_dev);
-
-out:
-       lbs_deb_leave(LBS_DEB_NET);
+       lbs_deb_leave(LBS_DEB_MESH);
 }
-EXPORT_SYMBOL_GPL(libertas_remove_mesh);
 
 /**
  *  @brief This function finds the CFP in
@@ -1421,13 +1380,13 @@ EXPORT_SYMBOL_GPL(libertas_remove_mesh);
  *  @param cfp_no  A pointer to CFP number
  *  @return       A pointer to CFP
  */
-struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *cfp_no)
+struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
 {
        int i, end;
 
        lbs_deb_enter(LBS_DEB_MAIN);
 
-       end = sizeof(region_cfp_table)/sizeof(struct region_cfp_table);
+       end = ARRAY_SIZE(region_cfp_table);
 
        for (i = 0; i < end ; i++) {
                lbs_deb_main("region_cfp_table[i].region=%d\n",
@@ -1443,9 +1402,8 @@ struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *c
        return NULL;
 }
 
-int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band)
+int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
 {
-       wlan_adapter *adapter = priv->adapter;
        int ret = 0;
        int i = 0;
 
@@ -1454,24 +1412,22 @@ int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band)
 
        lbs_deb_enter(LBS_DEB_MAIN);
 
-       memset(adapter->region_channel, 0, sizeof(adapter->region_channel));
+       memset(priv->region_channel, 0, sizeof(priv->region_channel));
 
-       {
-               cfp = libertas_get_region_cfp_table(region, band, &cfp_no);
-               if (cfp != NULL) {
-                       adapter->region_channel[i].nrcfp = cfp_no;
-                       adapter->region_channel[i].CFP = cfp;
-               } else {
-                       lbs_deb_main("wrong region code %#x in band B/G\n",
-                              region);
-                       ret = -1;
-                       goto out;
-               }
-               adapter->region_channel[i].valid = 1;
-               adapter->region_channel[i].region = region;
-               adapter->region_channel[i].band = band;
-               i++;
+       cfp = lbs_get_region_cfp_table(region, &cfp_no);
+       if (cfp != NULL) {
+               priv->region_channel[i].nrcfp = cfp_no;
+               priv->region_channel[i].CFP = cfp;
+       } else {
+               lbs_deb_main("wrong region code %#x in band B/G\n",
+                      region);
+               ret = -1;
+               goto out;
        }
+       priv->region_channel[i].valid = 1;
+       priv->region_channel[i].region = region;
+       priv->region_channel[i].band = band;
+       i++;
 out:
        lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
        return ret;
@@ -1485,63 +1441,152 @@ out:
  *  @param dev     A pointer to net_device structure
  *  @return       n/a
  */
-void libertas_interrupt(struct net_device *dev)
+void lbs_interrupt(struct lbs_private *priv)
 {
-       wlan_private *priv = dev->priv;
-
        lbs_deb_enter(LBS_DEB_THREAD);
 
-       lbs_deb_thread("libertas_interrupt: intcounter=%d\n",
-              priv->adapter->intcounter);
-
-       priv->adapter->intcounter++;
-
-       if (priv->adapter->psstate == PS_STATE_SLEEP) {
-               priv->adapter->psstate = PS_STATE_AWAKE;
-               netif_wake_queue(dev);
-               if (priv->mesh_dev)
-                       netif_wake_queue(priv->mesh_dev);
-       }
-
+       lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter);
+       priv->intcounter++;
+       if (priv->psstate == PS_STATE_SLEEP)
+               priv->psstate = PS_STATE_AWAKE;
        wake_up_interruptible(&priv->waitq);
 
        lbs_deb_leave(LBS_DEB_THREAD);
 }
-EXPORT_SYMBOL_GPL(libertas_interrupt);
+EXPORT_SYMBOL_GPL(lbs_interrupt);
 
-int libertas_reset_device(wlan_private *priv)
+static int __init lbs_init_module(void)
 {
-       int ret;
+       lbs_deb_enter(LBS_DEB_MAIN);
+       memset(&confirm_sleep, 0, sizeof(confirm_sleep));
+       confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE);
+       confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep));
+       confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
+       lbs_debugfs_init();
+       lbs_deb_leave(LBS_DEB_MAIN);
+       return 0;
+}
 
+static void __exit lbs_exit_module(void)
+{
        lbs_deb_enter(LBS_DEB_MAIN);
-       ret = libertas_prepare_and_send_command(priv, CMD_802_11_RESET,
-                                   CMD_ACT_HALT, 0, 0, NULL);
-       msleep_interruptible(10);
+       lbs_debugfs_remove();
+       lbs_deb_leave(LBS_DEB_MAIN);
+}
 
-       lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
-       return ret;
+/*
+ * rtap interface support fuctions
+ */
+
+static int lbs_rtap_open(struct net_device *dev)
+{
+       /* Yes, _stop_ the queue. Because we don't support injection */
+       lbs_deb_enter(LBS_DEB_MAIN);
+       netif_carrier_off(dev);
+       netif_stop_queue(dev);
+       lbs_deb_leave(LBS_DEB_LEAVE);
+       return 0;
 }
-EXPORT_SYMBOL_GPL(libertas_reset_device);
 
-static int libertas_init_module(void)
+static int lbs_rtap_stop(struct net_device *dev)
 {
        lbs_deb_enter(LBS_DEB_MAIN);
-       libertas_debugfs_init();
        lbs_deb_leave(LBS_DEB_MAIN);
        return 0;
 }
 
-static void libertas_exit_module(void)
+static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-       lbs_deb_enter(LBS_DEB_MAIN);
+       netif_stop_queue(dev);
+       return NETDEV_TX_BUSY;
+}
+
+static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev)
+{
+       struct lbs_private *priv = dev->priv;
+       lbs_deb_enter(LBS_DEB_NET);
+       return &priv->stats;
+}
 
-       libertas_debugfs_remove();
 
+static void lbs_remove_rtap(struct lbs_private *priv)
+{
+       lbs_deb_enter(LBS_DEB_MAIN);
+       if (priv->rtap_net_dev == NULL)
+               return;
+       unregister_netdev(priv->rtap_net_dev);
+       free_netdev(priv->rtap_net_dev);
+       priv->rtap_net_dev = NULL;
        lbs_deb_leave(LBS_DEB_MAIN);
 }
 
-module_init(libertas_init_module);
-module_exit(libertas_exit_module);
+static int lbs_add_rtap(struct lbs_private *priv)
+{
+       int ret = 0;
+       struct net_device *rtap_dev;
+
+       lbs_deb_enter(LBS_DEB_MAIN);
+       if (priv->rtap_net_dev) {
+               ret = -EPERM;
+               goto out;
+       }
+
+       rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
+       if (rtap_dev == NULL) {
+               ret = -ENOMEM;
+               goto out;
+       }
+
+       memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN);
+       rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP;
+       rtap_dev->open = lbs_rtap_open;
+       rtap_dev->stop = lbs_rtap_stop;
+       rtap_dev->get_stats = lbs_rtap_get_stats;
+       rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
+       rtap_dev->set_multicast_list = lbs_set_multicast_list;
+       rtap_dev->priv = priv;
+
+       ret = register_netdev(rtap_dev);
+       if (ret) {
+               free_netdev(rtap_dev);
+               goto out;
+       }
+       priv->rtap_net_dev = rtap_dev;
+
+out:
+       lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+       return ret;
+}
+
+#ifndef CONFIG_IEEE80211
+const char *escape_essid(const char *essid, u8 essid_len)
+{
+       static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
+       const char *s = essid;
+       char *d = escaped;
+
+       if (ieee80211_is_empty_essid(essid, essid_len)) {
+               memcpy(escaped, "<hidden>", sizeof("<hidden>"));
+               return escaped;
+       }
+
+       essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
+       while (essid_len--) {
+               if (*s == '\0') {
+                       *d++ = '\\';
+                       *d++ = '0';
+                       s++;
+               } else {
+                       *d++ = *s++;
+               }
+       }
+       *d = '\0';
+       return escaped;
+}
+#endif
+
+module_init(lbs_init_module);
+module_exit(lbs_exit_module);
 
 MODULE_DESCRIPTION("Libertas WLAN Driver Library");
 MODULE_AUTHOR("Marvell International Ltd.");