X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Flibertas%2Fif_usb.c;h=5f2d944312a5c8f0486e7767ba0fe04b8ad59ba7;hb=ddac452680a5164bb47d61ea54f596ddaf3aea7d;hp=998317571ec26cdc3b97342b2da376a0d2f2561f;hpb=99e1221d1a1edac316f7f8116c781f75733b1159;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 998317571ec..5f2d944312a 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -5,7 +5,6 @@
 #include <linux/moduleparam.h>
 #include <linux/firmware.h>
 #include <linux/netdevice.h>
-#include <linux/list.h>
 #include <linux/usb.h>
 
 #define DRV_NAME "usb8xxx"
@@ -14,24 +13,13 @@
 #include "decl.h"
 #include "defs.h"
 #include "dev.h"
+#include "cmd.h"
 #include "if_usb.h"
 
 #define MESSAGE_HEADER_LEN	4
 
-static const char usbdriver_name[] = "usb8xxx";
-static u8 *default_fw_name = "usb8388.bin";
-
-char *libertas_fw_name = NULL;
-module_param_named(fw_name, libertas_fw_name, charp, 0644);
-
-/*
- * We need to send a RESET command to all USB devices before
- * we tear down the USB connection. Otherwise we would not
- * be able to re-init device the device if the module gets
- * loaded again. This is a list of all initialized USB devices,
- * for the reset code see if_usb_reset_device()
-*/
-static LIST_HEAD(usb_devices);
+static char *lbs_fw_name = "usb8388.bin";
+module_param_named(fw_name, lbs_fw_name, charp, 0644);
 
 static struct usb_device_id if_usb_table[] = {
 	/* Enter the device signature inside */
@@ -44,13 +32,17 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
 
 static void if_usb_receive(struct urb *urb);
 static void if_usb_receive_fwload(struct urb *urb);
-static int if_usb_reset_device(wlan_private *priv);
-static int if_usb_register_dev(wlan_private * priv);
-static int if_usb_unregister_dev(wlan_private *);
-static int if_usb_prog_firmware(wlan_private *);
-static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb);
-static int if_usb_get_int_status(wlan_private * priv, u8 *);
-static int if_usb_read_event_cause(wlan_private *);
+static int if_usb_prog_firmware(struct usb_card_rec *cardp);
+static int if_usb_host_to_card(struct lbs_private *priv,
+	u8 type,
+	u8 *payload,
+	u16 nb);
+static int if_usb_get_int_status(struct lbs_private *priv, u8 *);
+static int if_usb_read_event_cause(struct lbs_private *);
+static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb);
+static void if_usb_free(struct usb_card_rec *cardp);
+static int if_usb_submit_rx_urb(struct usb_card_rec *cardp);
+static int if_usb_reset_device(struct usb_card_rec *cardp);
 
 /**
  *  @brief  call back function to handle the status of the URB
@@ -59,29 +51,27 @@ static int if_usb_read_event_cause(wlan_private *);
  */
 static void if_usb_write_bulk_callback(struct urb *urb)
 {
-	wlan_private *priv = (wlan_private *) (urb->context);
-	wlan_adapter *adapter = priv->adapter;
-	struct net_device *dev = priv->dev;
+	struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context;
 
 	/* handle the transmission complete validations */
 
-	if (urb->status != 0) {
-		/* print the failure status number for debug */
-		lbs_pr_info("URB in failure status: %d\n", urb->status);
-	} else {
+	if (urb->status == 0) {
+		struct lbs_private *priv = cardp->priv;
+
 		/*
 		lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n");
 		lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n",
 		       urb->actual_length);
 		*/
-		priv->dnld_sent = DNLD_RES_RECEIVED;
-		/* Wake main thread if commands are pending */
-		if (!adapter->cur_cmd)
-			wake_up_interruptible(&priv->mainthread.waitq);
-		if ((adapter->connect_status == libertas_connected)) {
-			netif_wake_queue(dev);
-			netif_wake_queue(priv->mesh_dev);
-		}
+
+		/* Used for both firmware TX and regular TX.  priv isn't
+		 * valid at firmware load time.
+		 */
+		if (priv)
+			lbs_host_to_card_done(priv);
+	} else {
+		/* print the failure status number for debug */
+		lbs_pr_info("URB in failure status: %d\n", urb->status);
 	}
 
 	return;
@@ -92,7 +82,7 @@ static void if_usb_write_bulk_callback(struct urb *urb)
  *  @param cardp	pointer usb_card_rec
  *  @return 	   	N/A
  */
-void if_usb_free(struct usb_card_rec *cardp)
+static void if_usb_free(struct usb_card_rec *cardp)
 {
 	lbs_deb_enter(LBS_DEB_USB);
 
@@ -112,6 +102,29 @@ void if_usb_free(struct usb_card_rec *cardp)
 	lbs_deb_leave(LBS_DEB_USB);
 }
 
+static void if_usb_set_boot2_ver(struct lbs_private *priv)
+{
+	struct cmd_ds_set_boot2_ver b2_cmd;
+
+	b2_cmd.action = 0;
+	b2_cmd.version = priv->boot2_version;
+
+	if (lbs_cmd(priv, CMD_SET_BOOT2_VER, b2_cmd, NULL, 0))
+		lbs_deb_usb("Setting boot2 version failed\n");
+}
+
+void if_usb_fw_timeo(unsigned long priv)
+{
+	struct usb_card_rec *cardp = (void *)priv;
+
+	if (cardp->fwdnldover) {
+		lbs_deb_usb("Download complete, no event. Assuming success\n");
+	} else {
+		lbs_pr_err("Download timed out\n");
+		cardp->surprise_removed = 1;
+	}
+	wake_up(&cardp->fw_wq);
+}
 /**
  *  @brief sets the configuration values
  *  @param ifnum	interface number
@@ -124,7 +137,7 @@ static int if_usb_probe(struct usb_interface *intf,
 	struct usb_device *udev;
 	struct usb_host_interface *iface_desc;
 	struct usb_endpoint_descriptor *endpoint;
-	wlan_private *priv;
+	struct lbs_private *priv;
 	struct usb_card_rec *cardp;
 	int i;
 
@@ -136,6 +149,9 @@ static int if_usb_probe(struct usb_interface *intf,
 		goto error;
 	}
 
+	setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
+	init_waitqueue_head(&cardp->fw_wq);
+								     
 	cardp->udev = udev;
 	iface_desc = intf->cur_altsetting;
 
@@ -203,34 +219,47 @@ static int if_usb_probe(struct usb_interface *intf,
 		}
 	}
 
-	if (!(priv = libertas_add_card(cardp, &udev->dev)))
-		goto dealloc;
+	/* Upload firmware */
+	cardp->rinfo.cardp = cardp;
+	if (if_usb_prog_firmware(cardp)) {
+		lbs_deb_usbd(&udev->dev, "FW upload failed");
+		goto err_prog_firmware;
+	}
+
+	if (!(priv = lbs_add_card(cardp, &udev->dev)))
+		goto err_prog_firmware;
+
+	cardp->priv = priv;
+	cardp->priv->fw_ready = 1;
 
-	if (libertas_add_mesh(priv, &udev->dev))
+	if (lbs_add_mesh(priv, &udev->dev))
 		goto err_add_mesh;
 
-	priv->hw_register_dev = if_usb_register_dev;
-	priv->hw_unregister_dev = if_usb_unregister_dev;
-	priv->hw_prog_firmware = if_usb_prog_firmware;
+	cardp->eth_dev = priv->dev;
+
 	priv->hw_host_to_card = if_usb_host_to_card;
 	priv->hw_get_int_status = if_usb_get_int_status;
 	priv->hw_read_event_cause = if_usb_read_event_cause;
+	priv->boot2_version = udev->descriptor.bcdDevice;
+
+	if_usb_submit_rx_urb(cardp);
 
-	if (libertas_activate_card(priv, libertas_fw_name))
-		goto err_activate_card;
+	if (lbs_start_card(priv))
+		goto err_start_card;
 
-	list_add_tail(&cardp->list, &usb_devices);
+	if_usb_set_boot2_ver(priv);
 
 	usb_get_dev(udev);
 	usb_set_intfdata(intf, cardp);
 
 	return 0;
 
-err_activate_card:
-	libertas_remove_mesh(priv);
+err_start_card:
+	lbs_remove_mesh(priv);
 err_add_mesh:
-	free_netdev(priv->dev);
-	kfree(priv->adapter);
+	lbs_remove_card(priv);
+err_prog_firmware:
+	if_usb_reset_device(cardp);
 dealloc:
 	if_usb_free(cardp);
 
@@ -246,22 +275,24 @@ error:
 static void if_usb_disconnect(struct usb_interface *intf)
 {
 	struct usb_card_rec *cardp = usb_get_intfdata(intf);
-	wlan_private *priv = (wlan_private *) cardp->priv;
-	wlan_adapter *adapter = NULL;
+	struct lbs_private *priv = (struct lbs_private *) cardp->priv;
+
+	lbs_deb_enter(LBS_DEB_MAIN);
 
-	adapter = priv->adapter;
+	/* Update Surprise removed to TRUE */
+	cardp->surprise_removed = 1;
 
-	/*
-	 * Update Surprise removed to TRUE
-	 */
-	adapter->surpriseremoved = 1;
+	if (priv) {
 
-	list_del(&cardp->list);
+		priv->surpriseremoved = 1;
+		lbs_stop_card(priv);
+		lbs_remove_mesh(priv);
+		lbs_remove_card(priv);
+	}
 
-	/* card is removed and we can call wlan_remove_card */
-	lbs_deb_usbd(&cardp->udev->dev, "call remove card\n");
-	libertas_remove_mesh(priv);
-	libertas_remove_card(priv);
+	/* this is (apparently?) necessary for future usage of the device */
+	lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT,
+			0, 0, NULL);
 
 	/* Unlink and free urb */
 	if_usb_free(cardp);
@@ -269,20 +300,19 @@ static void if_usb_disconnect(struct usb_interface *intf)
 	usb_set_intfdata(intf, NULL);
 	usb_put_dev(interface_to_usbdev(intf));
 
-	return;
+	lbs_deb_leave(LBS_DEB_MAIN);
 }
 
 /**
  *  @brief  This function download FW
- *  @param priv		pointer to wlan_private
+ *  @param priv		pointer to struct lbs_private
  *  @return 	   	0
  */
-static int if_prog_firmware(wlan_private * priv)
+static int if_usb_send_fw_pkt(struct usb_card_rec *cardp)
 {
-	struct usb_card_rec *cardp = priv->card;
 	struct FWData *fwdata;
 	struct fwheader *fwheader;
-	u8 *firmware = priv->firmware->data;
+	u8 *firmware = cardp->fw->data;
 
 	fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC);
 
@@ -330,7 +360,7 @@ static int if_prog_firmware(wlan_private * priv)
 			    cardp->totalbytes);
 		*/
 		memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
-		usb_tx_block(priv, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
+		usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
 
 	} else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
 		/*
@@ -340,7 +370,7 @@ static int if_prog_firmware(wlan_private * priv)
 			    "Donwloading FW JUMP BLOCK\n");
 		*/
 		memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE);
-		usb_tx_block(priv, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
+		usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE);
 		cardp->fwfinalblk = 1;
 	}
 
@@ -355,19 +385,25 @@ static int if_prog_firmware(wlan_private * priv)
 	return 0;
 }
 
-static int libertas_do_reset(wlan_private *priv)
+static int if_usb_reset_device(struct usb_card_rec *cardp)
 {
+	struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4];
 	int ret;
-	struct usb_card_rec *cardp = priv->card;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
+	*(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST);
+
+	cmd->command = cpu_to_le16(CMD_802_11_RESET);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
+	cmd->result = cpu_to_le16(0);
+	cmd->seqnum = cpu_to_le16(0x5a5a);
+	cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT);
+	usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
+
+	msleep(100);
 	ret = usb_reset_device(cardp->udev);
-	if (!ret) {
-		msleep(10);
-		if_usb_reset_device(priv);
-		msleep(10);
-	}
+	msleep(100);
 
 	lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
 
@@ -376,19 +412,17 @@ static int libertas_do_reset(wlan_private *priv)
 
 /**
  *  @brief This function transfer the data to the device.
- *  @param priv 	pointer to wlan_private
+ *  @param priv 	pointer to struct lbs_private
  *  @param payload	pointer to payload data
  *  @param nb		data length
  *  @return 	   	0 or -1
  */
-int usb_tx_block(wlan_private * priv, u8 * payload, u16 nb)
+static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb)
 {
-	/* pointer to card structure */
-	struct usb_card_rec *cardp = priv->card;
 	int ret = -1;
 
 	/* check if device is removed */
-	if (priv->adapter->surpriseremoved) {
+	if (cardp->surprise_removed) {
 		lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
 		goto tx_ret;
 	}
@@ -396,13 +430,13 @@ int usb_tx_block(wlan_private * priv, u8 * payload, u16 nb)
 	usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
 			  usb_sndbulkpipe(cardp->udev,
 					  cardp->bulk_out_endpointAddr),
-			  payload, nb, if_usb_write_bulk_callback, priv);
+			  payload, nb, if_usb_write_bulk_callback, cardp);
 
 	cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
 
 	if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
 		/*  transfer failed */
-		lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n");
+		lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
 		ret = -1;
 	} else {
 		/* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */
@@ -413,11 +447,9 @@ tx_ret:
 	return ret;
 }
 
-static int __if_usb_submit_rx_urb(wlan_private * priv,
-				  void (*callbackfn)
-				  (struct urb *urb))
+static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp,
+				  void (*callbackfn)(struct urb *urb))
 {
-	struct usb_card_rec *cardp = priv->card;
 	struct sk_buff *skb;
 	struct read_cb_info *rinfo = &cardp->rinfo;
 	int ret = -1;
@@ -442,7 +474,9 @@ static int __if_usb_submit_rx_urb(wlan_private * priv,
 	/* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */
 	if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
 		/* handle failure conditions */
-		lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n");
+		lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
+		kfree_skb(skb);
+		rinfo->skb = NULL;
 		ret = -1;
 	} else {
 		/* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */
@@ -453,22 +487,21 @@ rx_ret:
 	return ret;
 }
 
-static inline int if_usb_submit_rx_urb_fwload(wlan_private * priv)
+static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp)
 {
-	return __if_usb_submit_rx_urb(priv, &if_usb_receive_fwload);
+	return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
 }
 
-static inline int if_usb_submit_rx_urb(wlan_private * priv)
+static int if_usb_submit_rx_urb(struct usb_card_rec *cardp)
 {
-	return __if_usb_submit_rx_urb(priv, &if_usb_receive);
+	return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
 }
 
 static void if_usb_receive_fwload(struct urb *urb)
 {
 	struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
-	wlan_private *priv = rinfo->priv;
 	struct sk_buff *skb = rinfo->skb;
-	struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
+	struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp;
 	struct fwsyncheader *syncfwheader;
 	struct bootcmdrespStr bootcmdresp;
 
@@ -479,21 +512,43 @@ static void if_usb_receive_fwload(struct urb *urb)
 		return;
 	}
 
-	if (cardp->bootcmdresp == 0) {
+	if (cardp->fwdnldover) {
+		__le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
+
+		if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
+		    tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
+			lbs_pr_info("Firmware ready event received\n");
+			wake_up(&cardp->fw_wq);
+		} else {
+			lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]),
+				    le32_to_cpu(tmp[1]));
+			if_usb_submit_rx_urb_fwload(cardp);
+		}
+		kfree_skb(skb);
+		return;
+	}
+	if (cardp->bootcmdresp <= 0) {
 		memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
 			sizeof(bootcmdresp));
 		if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
 			kfree_skb(skb);
-			if_usb_submit_rx_urb_fwload(priv);
+			if_usb_submit_rx_urb_fwload(cardp);
 			cardp->bootcmdresp = 1;
 			lbs_deb_usbd(&cardp->udev->dev,
 				    "Received valid boot command response\n");
 			return;
 		}
 		if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
-			lbs_pr_info(
-				"boot cmd response wrong magic number (0x%x)\n",
-				le32_to_cpu(bootcmdresp.u32magicnumber));
+			if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) ||
+			    bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) ||
+			    bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) {
+				if (!cardp->bootcmdresp)
+					lbs_pr_info("Firmware already seems alive; resetting\n");
+				cardp->bootcmdresp = -1;
+			} else {
+				lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
+					    le32_to_cpu(bootcmdresp.u32magicnumber));
+			}
 		} else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) {
 			lbs_pr_info(
 				"boot cmd response cmd_tag error (%d)\n",
@@ -508,7 +563,7 @@ static void if_usb_receive_fwload(struct urb *urb)
 				    "Received valid boot command response\n");
 		}
 		kfree_skb(skb);
-		if_usb_submit_rx_urb_fwload(priv);
+		if_usb_submit_rx_urb_fwload(cardp);
 		return;
 	}
 
@@ -539,26 +594,29 @@ static void if_usb_receive_fwload(struct urb *urb)
 
 	kfree_skb(skb);
 
+	/* reschedule timer for 200ms hence */
+	mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
+
 	if (cardp->fwfinalblk) {
 		cardp->fwdnldover = 1;
 		goto exit;
 	}
 
-	if_prog_firmware(priv);
+	if_usb_send_fw_pkt(cardp);
+
+ exit:
+	if_usb_submit_rx_urb_fwload(cardp);
 
-	if_usb_submit_rx_urb_fwload(priv);
-exit:
 	kfree(syncfwheader);
 
 	return;
-
 }
 
 #define MRVDRV_MIN_PKT_LEN	30
 
 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
 				       struct usb_card_rec *cardp,
-				       wlan_private *priv)
+				       struct lbs_private *priv)
 {
 	if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE +
 	    MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) {
@@ -571,17 +629,17 @@ static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
 	skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
 	skb_put(skb, recvlength);
 	skb_pull(skb, MESSAGE_HEADER_LEN);
-	libertas_process_rxed_packet(priv, skb);
+	lbs_process_rxed_packet(priv, skb);
 	priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
 }
 
 static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
 				      struct sk_buff *skb,
 				      struct usb_card_rec *cardp,
-				      wlan_private *priv)
+				      struct lbs_private *priv)
 {
 	u8 *cmdbuf;
-	if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) {
+	if (recvlength > LBS_CMD_BUFFER_SIZE) {
 		lbs_deb_usbd(&cardp->udev->dev,
 			    "The receive buffer is too large\n");
 		kfree_skb(skb);
@@ -591,23 +649,23 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
 	if (!in_interrupt())
 		BUG();
 
-	spin_lock(&priv->adapter->driver_lock);
+	spin_lock(&priv->driver_lock);
 	/* take care of cur_cmd = NULL case by reading the
 	 * data to clear the interrupt */
-	if (!priv->adapter->cur_cmd) {
+	if (!priv->cur_cmd) {
 		cmdbuf = priv->upld_buf;
-		priv->adapter->hisregcpy &= ~his_cmdupldrdy;
+		priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
 	} else
-		cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr;
+		cmdbuf = (u8 *) priv->cur_cmd->cmdbuf;
 
-	cardp->usb_int_cause |= his_cmdupldrdy;
+	cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
 	priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
 	memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN,
 	       priv->upld_len);
 
 	kfree_skb(skb);
-	libertas_interrupt(priv->dev);
-	spin_unlock(&priv->adapter->driver_lock);
+	lbs_interrupt(priv);
+	spin_unlock(&priv->driver_lock);
 
 	lbs_deb_usbd(&cardp->udev->dev,
 		    "Wake up main thread to handle cmd response\n");
@@ -625,17 +683,19 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
 static void if_usb_receive(struct urb *urb)
 {
 	struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
-	wlan_private *priv = rinfo->priv;
 	struct sk_buff *skb = rinfo->skb;
-	struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
+	struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp;
+	struct lbs_private *priv = cardp->priv;
 
 	int recvlength = urb->actual_length;
 	u8 *recvbuff = NULL;
-	u32 recvtype;
+	u32 recvtype = 0;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
 	if (recvlength) {
+		__le32 tmp;
+
 		if (urb->status) {
 			lbs_deb_usbd(&cardp->udev->dev,
 				    "URB status is failed\n");
@@ -644,17 +704,15 @@ static void if_usb_receive(struct urb *urb)
 		}
 
 		recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
-		memcpy(&recvtype, recvbuff, sizeof(u32));
-		lbs_deb_usbd(&cardp->udev->dev,
-			    "Recv length = 0x%x\n", recvlength);
-		lbs_deb_usbd(&cardp->udev->dev,
-			    "Receive type = 0x%X\n", recvtype);
-		recvtype = le32_to_cpu(recvtype);
+		memcpy(&tmp, recvbuff, sizeof(u32));
+		recvtype = le32_to_cpu(tmp);
 		lbs_deb_usbd(&cardp->udev->dev,
-			    "Receive type after = 0x%X\n", recvtype);
-	} else if (urb->status)
+			    "Recv length = 0x%x, Recv type = 0x%X\n",
+			    recvlength, recvtype);
+	} else if (urb->status) {
+		kfree_skb(skb);
 		goto rx_exit;
-
+	}
 
 	switch (recvtype) {
 	case CMD_TYPE_DATA:
@@ -667,57 +725,60 @@ static void if_usb_receive(struct urb *urb)
 
 	case CMD_TYPE_INDICATION:
 		/* Event cause handling */
-		spin_lock(&priv->adapter->driver_lock);
+		spin_lock(&priv->driver_lock);
 		cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN));
 		lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
 			    cardp->usb_event_cause);
 		if (cardp->usb_event_cause & 0xffff0000) {
-			libertas_send_tx_feedback(priv);
-			spin_unlock(&priv->adapter->driver_lock);
+			lbs_send_tx_feedback(priv);
+			spin_unlock(&priv->driver_lock);
 			break;
 		}
 		cardp->usb_event_cause <<= 3;
-		cardp->usb_int_cause |= his_cardevent;
+		cardp->usb_int_cause |= MRVDRV_CARDEVENT;
 		kfree_skb(skb);
-		libertas_interrupt(priv->dev);
-		spin_unlock(&priv->adapter->driver_lock);
+		lbs_interrupt(priv);
+		spin_unlock(&priv->driver_lock);
 		goto rx_exit;
 	default:
+		lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
+		             recvtype);
 		kfree_skb(skb);
 		break;
 	}
 
 setup_for_next:
-	if_usb_submit_rx_urb(priv);
+	if_usb_submit_rx_urb(cardp);
 rx_exit:
 	lbs_deb_leave(LBS_DEB_USB);
 }
 
 /**
  *  @brief This function downloads data to FW
- *  @param priv		pointer to wlan_private structure
+ *  @param priv		pointer to struct lbs_private structure
  *  @param type		type of data
  *  @param buf		pointer to data buffer
  *  @param len		number of bytes
  *  @return 	   	0 or -1
  */
-static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb)
+static int if_usb_host_to_card(struct lbs_private *priv,
+	u8 type,
+	u8 *payload,
+	u16 nb)
 {
-	int ret = -1;
-	u32 tmp;
 	struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
 
 	lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
 	lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb);
 
 	if (type == MVMS_CMD) {
-		tmp = cpu_to_le32(CMD_TYPE_REQUEST);
+		__le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST);
 		priv->dnld_sent = DNLD_CMD_SENT;
 		memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
 		       MESSAGE_HEADER_LEN);
 
 	} else {
-		tmp = cpu_to_le32(CMD_TYPE_DATA);
+		__le32 tmp = cpu_to_le32(CMD_TYPE_DATA);
 		priv->dnld_sent = DNLD_DATA_SENT;
 		memcpy(cardp->bulk_out_buffer, (u8 *) & tmp,
 		       MESSAGE_HEADER_LEN);
@@ -725,14 +786,12 @@ static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 n
 
 	memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb);
 
-	ret =
-	    usb_tx_block(priv, cardp->bulk_out_buffer, nb + MESSAGE_HEADER_LEN);
-
-	return ret;
+	return usb_tx_block(cardp, cardp->bulk_out_buffer,
+	                    nb + MESSAGE_HEADER_LEN);
 }
 
-/* called with adapter->driver_lock held */
-static int if_usb_get_int_status(wlan_private * priv, u8 * ireg)
+/* called with priv->driver_lock held */
+static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg)
 {
 	struct usb_card_rec *cardp = priv->card;
 
@@ -744,83 +803,112 @@ static int if_usb_get_int_status(wlan_private * priv, u8 * ireg)
 	return 0;
 }
 
-static int if_usb_read_event_cause(wlan_private * priv)
+static int if_usb_read_event_cause(struct lbs_private *priv)
 {
 	struct usb_card_rec *cardp = priv->card;
-	priv->adapter->eventcause = cardp->usb_event_cause;
+
+	priv->eventcause = cardp->usb_event_cause;
 	/* Re-submit rx urb here to avoid event lost issue */
-	if_usb_submit_rx_urb(priv);
+	if_usb_submit_rx_urb(cardp);
 	return 0;
 }
 
-static int if_usb_reset_device(wlan_private *priv)
+/**
+ *  @brief This function issues Boot command to the Boot2 code
+ *  @param ivalue   1:Boot from FW by USB-Download
+ *                  2:Boot from FW in EEPROM
+ *  @return 	   	0
+ */
+static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue)
 {
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_USB);
-	ret = libertas_prepare_and_send_command(priv, cmd_802_11_reset,
-				    cmd_act_halt, 0, 0, NULL);
-	msleep_interruptible(10);
-
-	lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
-	return ret;
-}
+	struct bootcmdstr sbootcmd;
+	int i;
 
-static int if_usb_unregister_dev(wlan_private * priv)
-{
-	int ret = 0;
+	/* Prepare command */
+	sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
+	sbootcmd.u8cmd_tag = ivalue;
+	for (i=0; i<11; i++)
+		sbootcmd.au8dumy[i]=0x00;
+	memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr));
 
-	/* Need to send a Reset command to device before USB resources freed
-	 * and wlan_remove_card() called, then device can handle FW download
-	 * again.
-	 */
-	if (priv)
-		if_usb_reset_device(priv);
+	/* Issue command */
+	usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr));
 
-	return ret;
+	return 0;
 }
 
 
 /**
- *  @brief  This function register usb device and initialize parameter
- *  @param		priv pointer to wlan_private
- *  @return		0 or -1
+ *  @brief This function checks the validity of Boot2/FW image.
+ *
+ *  @param data              pointer to image
+ *         len               image length
+ *  @return     0 or -1
  */
-static int if_usb_register_dev(wlan_private * priv)
+static int check_fwfile_format(u8 *data, u32 totlen)
 {
-	struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
+	u32 bincmd, exit;
+	u32 blksize, offset, len;
+	int ret;
 
-	lbs_deb_enter(LBS_DEB_USB);
+	ret = 1;
+	exit = len = 0;
 
-	cardp->priv = priv;
-	cardp->eth_dev = priv->dev;
-	priv->hotplug_device = &(cardp->udev->dev);
+	do {
+		struct fwheader *fwh = (void *)data;
+
+		bincmd = le32_to_cpu(fwh->dnldcmd);
+		blksize = le32_to_cpu(fwh->datalength);
+		switch (bincmd) {
+		case FW_HAS_DATA_TO_RECV:
+			offset = sizeof(struct fwheader) + blksize;
+			data += offset;
+			len += offset;
+			if (len >= totlen)
+				exit = 1;
+			break;
+		case FW_HAS_LAST_BLOCK:
+			exit = 1;
+			ret = 0;
+			break;
+		default:
+			exit = 1;
+			break;
+		}
+	} while (!exit);
 
-	lbs_deb_usbd(&cardp->udev->dev, "udev pointer is at %p\n",
-		    cardp->udev);
+	if (ret)
+		lbs_pr_err("firmware file format check FAIL\n");
+	else
+		lbs_deb_fw("firmware file format check PASS\n");
 
-	lbs_deb_leave(LBS_DEB_USB);
-	return 0;
+	return ret;
 }
 
 
-
-static int if_usb_prog_firmware(wlan_private * priv)
+static int if_usb_prog_firmware(struct usb_card_rec *cardp)
 {
-	struct usb_card_rec *cardp = priv->card;
 	int i = 0;
 	static int reset_count = 10;
 	int ret = 0;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
-	cardp->rinfo.priv = priv;
+	if ((ret = request_firmware(&cardp->fw, lbs_fw_name,
+				    &cardp->udev->dev)) < 0) {
+		lbs_pr_err("request_firmware() failed with %#x\n", ret);
+		lbs_pr_err("firmware %s not found\n", lbs_fw_name);
+		goto done;
+	}
+
+	if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
+		goto release_fw;
 
 restart:
-	if (if_usb_submit_rx_urb_fwload(priv) < 0) {
+	if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
 		lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
 		ret = -1;
-		goto done;
+		goto release_fw;
 	}
 
 	cardp->bootcmdresp = 0;
@@ -828,7 +916,7 @@ restart:
 		int j = 0;
 		i++;
 		/* Issue Boot command = 1, Boot from Download-FW */
-		if_usb_issue_boot_command(priv, BOOT_CMD_FW_BY_USB);
+		if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
 		/* wait for command response */
 		do {
 			j++;
@@ -836,16 +924,15 @@ restart:
 		} while (cardp->bootcmdresp == 0 && j < 10);
 	} while (cardp->bootcmdresp == 0 && i < 5);
 
-	if (cardp->bootcmdresp == 0) {
+	if (cardp->bootcmdresp <= 0) {
 		if (--reset_count >= 0) {
-			libertas_do_reset(priv);
+			if_usb_reset_device(cardp);
 			goto restart;
 		}
 		return -1;
 	}
 
 	i = 0;
-	priv->adapter->fw_ready = 0;
 
 	cardp->totalbytes = 0;
 	cardp->fwlastblksent = 0;
@@ -855,51 +942,61 @@ restart:
 	cardp->totalbytes = 0;
 	cardp->fwfinalblk = 0;
 
-	if_prog_firmware(priv);
+	/* Send the first firmware packet... */
+	if_usb_send_fw_pkt(cardp);
 
-	do {
-		lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n");
-		i++;
-		msleep_interruptible(100);
-		if (priv->adapter->surpriseremoved || i >= 20)
-			break;
-	} while (!cardp->fwdnldover);
+	/* ... and wait for the process to complete */
+	wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover);
+	
+	del_timer_sync(&cardp->fw_timeout);
+	usb_kill_urb(cardp->rx_urb);
 
 	if (!cardp->fwdnldover) {
 		lbs_pr_info("failed to load fw, resetting device!\n");
 		if (--reset_count >= 0) {
-			libertas_do_reset(priv);
+			if_usb_reset_device(cardp);
 			goto restart;
 		}
 
 		lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
 		ret = -1;
-		goto done;
+		goto release_fw;
 	}
 
-	if_usb_submit_rx_urb(priv);
-
-	/* Delay 200 ms to waiting for the FW ready */
-	msleep_interruptible(200);
-
-	priv->adapter->fw_ready = 1;
+release_fw:
+	release_firmware(cardp->fw);
+	cardp->fw = NULL;
 
 done:
 	lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
 	return ret;
 }
 
+
 #ifdef CONFIG_PM
 static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
 {
 	struct usb_card_rec *cardp = usb_get_intfdata(intf);
-	wlan_private *priv = cardp->priv;
+	struct lbs_private *priv = cardp->priv;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
-	if (priv->adapter->psstate != PS_STATE_FULL_POWER)
+	if (priv->psstate != PS_STATE_FULL_POWER)
 		return -1;
 
+	if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
+		/* Mesh autostart must be activated while sleeping
+		 * On resume it will go back to the current state
+		 */
+		struct cmd_ds_mesh_access mesh_access;
+		memset(&mesh_access, 0, sizeof(mesh_access));
+		mesh_access.data[0] = cpu_to_le32(1);
+		lbs_prepare_and_send_command(priv,
+				CMD_MESH_ACCESS,
+				CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
+				CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
+	}
+
 	netif_device_detach(cardp->eth_dev);
 	netif_device_detach(priv->mesh_dev);
 
@@ -916,17 +1013,30 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
 static int if_usb_resume(struct usb_interface *intf)
 {
 	struct usb_card_rec *cardp = usb_get_intfdata(intf);
-	wlan_private *priv = cardp->priv;
+	struct lbs_private *priv = cardp->priv;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
 	cardp->rx_urb_recall = 0;
 
-	if_usb_submit_rx_urb(cardp->priv);
+	if_usb_submit_rx_urb(cardp);
 
 	netif_device_attach(cardp->eth_dev);
 	netif_device_attach(priv->mesh_dev);
 
+	if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
+		/* Mesh autostart was activated while sleeping
+		 * Disable it if appropriate
+		 */
+		struct cmd_ds_mesh_access mesh_access;
+		memset(&mesh_access, 0, sizeof(mesh_access));
+		mesh_access.data[0] = cpu_to_le32(0);
+		lbs_prepare_and_send_command(priv,
+				CMD_MESH_ACCESS,
+				CMD_ACT_MESH_SET_AUTOSTART_ENABLED,
+				CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access);
+	}
+
 	lbs_deb_leave(LBS_DEB_USB);
 	return 0;
 }
@@ -936,44 +1046,30 @@ static int if_usb_resume(struct usb_interface *intf)
 #endif
 
 static struct usb_driver if_usb_driver = {
-	/* driver name */
-	.name = usbdriver_name,
-	/* probe function name */
+	.name = DRV_NAME,
 	.probe = if_usb_probe,
-	/* disconnect function  name */
 	.disconnect = if_usb_disconnect,
-	/* device signature table */
 	.id_table = if_usb_table,
 	.suspend = if_usb_suspend,
 	.resume = if_usb_resume,
 };
 
-static int if_usb_init_module(void)
+static int __init if_usb_init_module(void)
 {
 	int ret = 0;
 
 	lbs_deb_enter(LBS_DEB_MAIN);
 
-	if (libertas_fw_name == NULL) {
-		libertas_fw_name = default_fw_name;
-	}
-
 	ret = usb_register(&if_usb_driver);
 
 	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
 	return ret;
 }
 
-static void if_usb_exit_module(void)
+static void __exit if_usb_exit_module(void)
 {
-	struct usb_card_rec *cardp, *cardp_temp;
-
 	lbs_deb_enter(LBS_DEB_MAIN);
 
-	list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list)
-		if_usb_reset_device((wlan_private *) cardp->priv);
-
-	/* API unregisters the driver from USB subsystem */
 	usb_deregister(&if_usb_driver);
 
 	lbs_deb_leave(LBS_DEB_MAIN);