staging: hv: move hv_netvsc out of staging area

hv_netvsc has been reviewed on netdev mailing list on 6/09/2011.
All recommended changes have been made. We are requesting to move
it out of staging area.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: KY Srinivasan <kys@microsoft.com>
Signed-off-by: Mike Sterling <Mike.Sterling@microsoft.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

7 files changed, 0 insertions, 3317 deletions

diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig
index 072185ebe95b..8a5116620a9d 100644
--- a/drivers/staging/hv/Kconfig
+++ b/drivers/staging/hv/Kconfig
@@ -4,12 +4,6 @@ config HYPERV_STORAGE
 	help
 	 Select this option to enable the Hyper-V virtual storage driver.
 
-config HYPERV_NET
-	tristate "Microsoft Hyper-V virtual network driver"
-	depends on HYPERV && NET
-	help
-	  Select this option to enable the Hyper-V virtual network driver.
-
 config HYPERV_MOUSE
 	tristate "Microsoft Hyper-V mouse driver"
 	depends on HYPERV && HID
diff --git a/drivers/staging/hv/Makefile b/drivers/staging/hv/Makefile
index 0f55ceee919b..6c977473189c 100644
--- a/drivers/staging/hv/Makefile
+++ b/drivers/staging/hv/Makefile
@@ -1,6 +1,4 @@
 obj-$(CONFIG_HYPERV_STORAGE)	+= hv_storvsc.o
-obj-$(CONFIG_HYPERV_NET)	+= hv_netvsc.o
 obj-$(CONFIG_HYPERV_MOUSE)	+= hv_mouse.o
 
 hv_storvsc-y := storvsc_drv.o
-hv_netvsc-y := netvsc_drv.o netvsc.o rndis_filter.o
diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO
index ed4d63619df2..fd080cbd6a75 100644
--- a/drivers/staging/hv/TODO
+++ b/drivers/staging/hv/TODO
@@ -1,5 +1,4 @@
 TODO:
-	- audit the network driver
 	- audit the scsi driver
 
 Please send patches for this code to Greg Kroah-Hartman <gregkh@suse.de>,
diff --git a/drivers/staging/hv/hyperv_net.h b/drivers/staging/hv/hyperv_net.h
deleted file mode 100644
index ac1ec8405124..000000000000
--- a/drivers/staging/hv/hyperv_net.h
+++ /dev/null
@@ -1,1058 +0,0 @@
-/*
- *
- * Copyright (c) 2011, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- *   K. Y. Srinivasan <kys@microsoft.com>
- *
- */
-
-#ifndef _HYPERV_NET_H
-#define _HYPERV_NET_H
-
-#include <linux/list.h>
-#include <linux/hyperv.h>
-
-/* Fwd declaration */
-struct hv_netvsc_packet;
-
-/* Represent the xfer page packet which contains 1 or more netvsc packet */
-struct xferpage_packet {
-	struct list_head list_ent;
-
-	/* # of netvsc packets this xfer packet contains */
-	u32 count;
-};
-
-/* The number of pages which are enough to cover jumbo frame buffer. */
-#define NETVSC_PACKET_MAXPAGE		4
-
-/*
- * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
- * within the RNDIS
- */
-struct hv_netvsc_packet {
-	/* Bookkeeping stuff */
-	struct list_head list_ent;
-
-	struct hv_device *device;
-	bool is_data_pkt;
-
-	/*
-	 * Valid only for receives when we break a xfer page packet
-	 * into multiple netvsc packets
-	 */
-	struct xferpage_packet *xfer_page_pkt;
-
-	union {
-		struct {
-			u64 recv_completion_tid;
-			void *recv_completion_ctx;
-			void (*recv_completion)(void *context);
-		} recv;
-		struct {
-			u64 send_completion_tid;
-			void *send_completion_ctx;
-			void (*send_completion)(void *context);
-		} send;
-	} completion;
-
-	/* This points to the memory after page_buf */
-	void *extension;
-
-	u32 total_data_buflen;
-	/* Points to the send/receive buffer where the ethernet frame is */
-	u32 page_buf_cnt;
-	struct hv_page_buffer page_buf[NETVSC_PACKET_MAXPAGE];
-};
-
-struct netvsc_device_info {
-	unsigned char mac_adr[6];
-	bool link_state;	/* 0 - link up, 1 - link down */
-	int  ring_size;
-};
-
-/* Interface */
-int netvsc_device_add(struct hv_device *device, void *additional_info);
-int netvsc_device_remove(struct hv_device *device);
-int netvsc_send(struct hv_device *device,
-		struct hv_netvsc_packet *packet);
-void netvsc_linkstatus_callback(struct hv_device *device_obj,
-				unsigned int status);
-int netvsc_recv_callback(struct hv_device *device_obj,
-			struct hv_netvsc_packet *packet);
-int rndis_filter_open(struct hv_device *dev);
-int rndis_filter_close(struct hv_device *dev);
-int rndis_filter_device_add(struct hv_device *dev,
-			void *additional_info);
-void rndis_filter_device_remove(struct hv_device *dev);
-int rndis_filter_receive(struct hv_device *dev,
-			struct hv_netvsc_packet *pkt);
-
-
-
-int rndis_filter_send(struct hv_device *dev,
-			struct hv_netvsc_packet *pkt);
-
-#define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
-
-#define NVSP_PROTOCOL_VERSION_1		2
-#define NVSP_MIN_PROTOCOL_VERSION	NVSP_PROTOCOL_VERSION_1
-#define NVSP_MAX_PROTOCOL_VERSION	NVSP_PROTOCOL_VERSION_1
-
-enum {
-	NVSP_MSG_TYPE_NONE = 0,
-
-	/* Init Messages */
-	NVSP_MSG_TYPE_INIT			= 1,
-	NVSP_MSG_TYPE_INIT_COMPLETE		= 2,
-
-	NVSP_VERSION_MSG_START			= 100,
-
-	/* Version 1 Messages */
-	NVSP_MSG1_TYPE_SEND_NDIS_VER		= NVSP_VERSION_MSG_START,
-
-	NVSP_MSG1_TYPE_SEND_RECV_BUF,
-	NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
-	NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
-
-	NVSP_MSG1_TYPE_SEND_SEND_BUF,
-	NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
-	NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
-
-	NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
-	NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
-
-	/*
-	 * This should be set to the number of messages for the version with
-	 * the maximum number of messages.
-	 */
-	NVSP_NUM_MSG_PER_VERSION		= 9,
-};
-
-enum {
-	NVSP_STAT_NONE = 0,
-	NVSP_STAT_SUCCESS,
-	NVSP_STAT_FAIL,
-	NVSP_STAT_PROTOCOL_TOO_NEW,
-	NVSP_STAT_PROTOCOL_TOO_OLD,
-	NVSP_STAT_INVALID_RNDIS_PKT,
-	NVSP_STAT_BUSY,
-	NVSP_STAT_MAX,
-};
-
-struct nvsp_message_header {
-	u32 msg_type;
-};
-
-/* Init Messages */
-
-/*
- * This message is used by the VSC to initialize the channel after the channels
- * has been opened. This message should never include anything other then
- * versioning (i.e. this message will be the same for ever).
- */
-struct nvsp_message_init {
-	u32 min_protocol_ver;
-	u32 max_protocol_ver;
-} __packed;
-
-/*
- * This message is used by the VSP to complete the initialization of the
- * channel. This message should never include anything other then versioning
- * (i.e. this message will be the same for ever).
- */
-struct nvsp_message_init_complete {
-	u32 negotiated_protocol_ver;
-	u32 max_mdl_chain_len;
-	u32 status;
-} __packed;
-
-union nvsp_message_init_uber {
-	struct nvsp_message_init init;
-	struct nvsp_message_init_complete init_complete;
-} __packed;
-
-/* Version 1 Messages */
-
-/*
- * This message is used by the VSC to send the NDIS version to the VSP. The VSP
- * can use this information when handling OIDs sent by the VSC.
- */
-struct nvsp_1_message_send_ndis_version {
-	u32 ndis_major_ver;
-	u32 ndis_minor_ver;
-} __packed;
-
-/*
- * This message is used by the VSC to send a receive buffer to the VSP. The VSP
- * can then use the receive buffer to send data to the VSC.
- */
-struct nvsp_1_message_send_receive_buffer {
-	u32 gpadl_handle;
-	u16 id;
-} __packed;
-
-struct nvsp_1_receive_buffer_section {
-	u32 offset;
-	u32 sub_alloc_size;
-	u32 num_sub_allocs;
-	u32 end_offset;
-} __packed;
-
-/*
- * This message is used by the VSP to acknowledge a receive buffer send by the
- * VSC. This message must be sent by the VSP before the VSP uses the receive
- * buffer.
- */
-struct nvsp_1_message_send_receive_buffer_complete {
-	u32 status;
-	u32 num_sections;
-
-	/*
-	 * The receive buffer is split into two parts, a large suballocation
-	 * section and a small suballocation section. These sections are then
-	 * suballocated by a certain size.
-	 */
-
-	/*
-	 * For example, the following break up of the receive buffer has 6
-	 * large suballocations and 10 small suballocations.
-	 */
-
-	/*
-	 * |            Large Section          |  |   Small Section   |
-	 * ------------------------------------------------------------
-	 * |     |     |     |     |     |     |  | | | | | | | | | | |
-	 * |                                      |
-	 *  LargeOffset                            SmallOffset
-	 */
-
-	struct nvsp_1_receive_buffer_section sections[1];
-} __packed;
-
-/*
- * This message is sent by the VSC to revoke the receive buffer.  After the VSP
- * completes this transaction, the vsp should never use the receive buffer
- * again.
- */
-struct nvsp_1_message_revoke_receive_buffer {
-	u16 id;
-};
-
-/*
- * This message is used by the VSC to send a send buffer to the VSP. The VSC
- * can then use the send buffer to send data to the VSP.
- */
-struct nvsp_1_message_send_send_buffer {
-	u32 gpadl_handle;
-	u16 id;
-} __packed;
-
-/*
- * This message is used by the VSP to acknowledge a send buffer sent by the
- * VSC. This message must be sent by the VSP before the VSP uses the sent
- * buffer.
- */
-struct nvsp_1_message_send_send_buffer_complete {
-	u32 status;
-
-	/*
-	 * The VSC gets to choose the size of the send buffer and the VSP gets
-	 * to choose the sections size of the buffer.  This was done to enable
-	 * dynamic reconfigurations when the cost of GPA-direct buffers
-	 * decreases.
-	 */
-	u32 section_size;
-} __packed;
-
-/*
- * This message is sent by the VSC to revoke the send buffer.  After the VSP
- * completes this transaction, the vsp should never use the send buffer again.
- */
-struct nvsp_1_message_revoke_send_buffer {
-	u16 id;
-};
-
-/*
- * This message is used by both the VSP and the VSC to send a RNDIS message to
- * the opposite channel endpoint.
- */
-struct nvsp_1_message_send_rndis_packet {
-	/*
-	 * This field is specified by RNIDS. They assume there's two different
-	 * channels of communication. However, the Network VSP only has one.
-	 * Therefore, the channel travels with the RNDIS packet.
-	 */
-	u32 channel_type;
-
-	/*
-	 * This field is used to send part or all of the data through a send
-	 * buffer. This values specifies an index into the send buffer. If the
-	 * index is 0xFFFFFFFF, then the send buffer is not being used and all
-	 * of the data was sent through other VMBus mechanisms.
-	 */
-	u32 send_buf_section_index;
-	u32 send_buf_section_size;
-} __packed;
-
-/*
- * This message is used by both the VSP and the VSC to complete a RNDIS message
- * to the opposite channel endpoint. At this point, the initiator of this
- * message cannot use any resources associated with the original RNDIS packet.
- */
-struct nvsp_1_message_send_rndis_packet_complete {
-	u32 status;
-};
-
-union nvsp_1_message_uber {
-	struct nvsp_1_message_send_ndis_version send_ndis_ver;
-
-	struct nvsp_1_message_send_receive_buffer send_recv_buf;
-	struct nvsp_1_message_send_receive_buffer_complete
-						send_recv_buf_complete;
-	struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
-
-	struct nvsp_1_message_send_send_buffer send_send_buf;
-	struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
-	struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
-
-	struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
-	struct nvsp_1_message_send_rndis_packet_complete
-						send_rndis_pkt_complete;
-} __packed;
-
-union nvsp_all_messages {
-	union nvsp_message_init_uber init_msg;
-	union nvsp_1_message_uber v1_msg;
-} __packed;
-
-/* ALL Messages */
-struct nvsp_message {
-	struct nvsp_message_header hdr;
-	union nvsp_all_messages msg;
-} __packed;
-
-
-
-
-/* #define NVSC_MIN_PROTOCOL_VERSION		1 */
-/* #define NVSC_MAX_PROTOCOL_VERSION		1 */
-
-#define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024)	/* 1MB */
-
-#define NETVSC_RECEIVE_BUFFER_ID		0xcafe
-
-#define NETVSC_RECEIVE_SG_COUNT			1
-
-/* Preallocated receive packets */
-#define NETVSC_RECEIVE_PACKETLIST_COUNT		256
-
-#define NETVSC_PACKET_SIZE                      2048
-
-/* Per netvsc channel-specific */
-struct netvsc_device {
-	struct hv_device *dev;
-
-	atomic_t num_outstanding_sends;
-	bool destroy;
-	/*
-	 * List of free preallocated hv_netvsc_packet to represent receive
-	 * packet
-	 */
-	struct list_head recv_pkt_list;
-	spinlock_t recv_pkt_list_lock;
-
-	/* Receive buffer allocated by us but manages by NetVSP */
-	void *recv_buf;
-	u32 recv_buf_size;
-	u32 recv_buf_gpadl_handle;
-	u32 recv_section_cnt;
-	struct nvsp_1_receive_buffer_section *recv_section;
-
-	/* Used for NetVSP initialization protocol */
-	struct completion channel_init_wait;
-	struct nvsp_message channel_init_pkt;
-
-	struct nvsp_message revoke_packet;
-	/* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
-
-	struct net_device *ndev;
-
-	/* Holds rndis device info */
-	void *extension;
-};
-
-
-/*  Status codes */
-
-
-#ifndef STATUS_SUCCESS
-#define STATUS_SUCCESS				(0x00000000L)
-#endif
-
-#ifndef STATUS_UNSUCCESSFUL
-#define STATUS_UNSUCCESSFUL			(0xC0000001L)
-#endif
-
-#ifndef STATUS_PENDING
-#define STATUS_PENDING				(0x00000103L)
-#endif
-
-#ifndef STATUS_INSUFFICIENT_RESOURCES
-#define STATUS_INSUFFICIENT_RESOURCES		(0xC000009AL)
-#endif
-
-#ifndef STATUS_BUFFER_OVERFLOW
-#define STATUS_BUFFER_OVERFLOW			(0x80000005L)
-#endif
-
-#ifndef STATUS_NOT_SUPPORTED
-#define STATUS_NOT_SUPPORTED			(0xC00000BBL)
-#endif
-
-#define RNDIS_STATUS_SUCCESS			(STATUS_SUCCESS)
-#define RNDIS_STATUS_PENDING			(STATUS_PENDING)
-#define RNDIS_STATUS_NOT_RECOGNIZED		(0x00010001L)
-#define RNDIS_STATUS_NOT_COPIED			(0x00010002L)
-#define RNDIS_STATUS_NOT_ACCEPTED		(0x00010003L)
-#define RNDIS_STATUS_CALL_ACTIVE		(0x00010007L)
-
-#define RNDIS_STATUS_ONLINE			(0x40010003L)
-#define RNDIS_STATUS_RESET_START		(0x40010004L)
-#define RNDIS_STATUS_RESET_END			(0x40010005L)
-#define RNDIS_STATUS_RING_STATUS		(0x40010006L)
-#define RNDIS_STATUS_CLOSED			(0x40010007L)
-#define RNDIS_STATUS_WAN_LINE_UP		(0x40010008L)
-#define RNDIS_STATUS_WAN_LINE_DOWN		(0x40010009L)
-#define RNDIS_STATUS_WAN_FRAGMENT		(0x4001000AL)
-#define RNDIS_STATUS_MEDIA_CONNECT		(0x4001000BL)
-#define RNDIS_STATUS_MEDIA_DISCONNECT		(0x4001000CL)
-#define RNDIS_STATUS_HARDWARE_LINE_UP		(0x4001000DL)
-#define RNDIS_STATUS_HARDWARE_LINE_DOWN		(0x4001000EL)
-#define RNDIS_STATUS_INTERFACE_UP		(0x4001000FL)
-#define RNDIS_STATUS_INTERFACE_DOWN		(0x40010010L)
-#define RNDIS_STATUS_MEDIA_BUSY			(0x40010011L)
-#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION	(0x40010012L)
-#define RNDIS_STATUS_WW_INDICATION		RDIA_SPECIFIC_INDICATION
-#define RNDIS_STATUS_LINK_SPEED_CHANGE		(0x40010013L)
-
-#define RNDIS_STATUS_NOT_RESETTABLE		(0x80010001L)
-#define RNDIS_STATUS_SOFT_ERRORS		(0x80010003L)
-#define RNDIS_STATUS_HARD_ERRORS		(0x80010004L)
-#define RNDIS_STATUS_BUFFER_OVERFLOW		(STATUS_BUFFER_OVERFLOW)
-
-#define RNDIS_STATUS_FAILURE			(STATUS_UNSUCCESSFUL)
-#define RNDIS_STATUS_RESOURCES			(STATUS_INSUFFICIENT_RESOURCES)
-#define RNDIS_STATUS_CLOSING			(0xC0010002L)
-#define RNDIS_STATUS_BAD_VERSION		(0xC0010004L)
-#define RNDIS_STATUS_BAD_CHARACTERISTICS	(0xC0010005L)
-#define RNDIS_STATUS_ADAPTER_NOT_FOUND		(0xC0010006L)
-#define RNDIS_STATUS_OPEN_FAILED		(0xC0010007L)
-#define RNDIS_STATUS_DEVICE_FAILED		(0xC0010008L)
-#define RNDIS_STATUS_MULTICAST_FULL		(0xC0010009L)
-#define RNDIS_STATUS_MULTICAST_EXISTS		(0xC001000AL)
-#define RNDIS_STATUS_MULTICAST_NOT_FOUND	(0xC001000BL)
-#define RNDIS_STATUS_REQUEST_ABORTED		(0xC001000CL)
-#define RNDIS_STATUS_RESET_IN_PROGRESS		(0xC001000DL)
-#define RNDIS_STATUS_CLOSING_INDICATING		(0xC001000EL)
-#define RNDIS_STATUS_NOT_SUPPORTED		(STATUS_NOT_SUPPORTED)
-#define RNDIS_STATUS_INVALID_PACKET		(0xC001000FL)
-#define RNDIS_STATUS_OPEN_LIST_FULL		(0xC0010010L)
-#define RNDIS_STATUS_ADAPTER_NOT_READY		(0xC0010011L)
-#define RNDIS_STATUS_ADAPTER_NOT_OPEN		(0xC0010012L)
-#define RNDIS_STATUS_NOT_INDICATING		(0xC0010013L)
-#define RNDIS_STATUS_INVALID_LENGTH		(0xC0010014L)
-#define RNDIS_STATUS_INVALID_DATA		(0xC0010015L)
-#define RNDIS_STATUS_BUFFER_TOO_SHORT		(0xC0010016L)
-#define RNDIS_STATUS_INVALID_OID		(0xC0010017L)
-#define RNDIS_STATUS_ADAPTER_REMOVED		(0xC0010018L)
-#define RNDIS_STATUS_UNSUPPORTED_MEDIA		(0xC0010019L)
-#define RNDIS_STATUS_GROUP_ADDRESS_IN_USE	(0xC001001AL)
-#define RNDIS_STATUS_FILE_NOT_FOUND		(0xC001001BL)
-#define RNDIS_STATUS_ERROR_READING_FILE		(0xC001001CL)
-#define RNDIS_STATUS_ALREADY_MAPPED		(0xC001001DL)
-#define RNDIS_STATUS_RESOURCE_CONFLICT		(0xC001001EL)
-#define RNDIS_STATUS_NO_CABLE			(0xC001001FL)
-
-#define RNDIS_STATUS_INVALID_SAP		(0xC0010020L)
-#define RNDIS_STATUS_SAP_IN_USE			(0xC0010021L)
-#define RNDIS_STATUS_INVALID_ADDRESS		(0xC0010022L)
-#define RNDIS_STATUS_VC_NOT_ACTIVATED		(0xC0010023L)
-#define RNDIS_STATUS_DEST_OUT_OF_ORDER		(0xC0010024L)
-#define RNDIS_STATUS_VC_NOT_AVAILABLE		(0xC0010025L)
-#define RNDIS_STATUS_CELLRATE_NOT_AVAILABLE	(0xC0010026L)
-#define RNDIS_STATUS_INCOMPATABLE_QOS		(0xC0010027L)
-#define RNDIS_STATUS_AAL_PARAMS_UNSUPPORTED	(0xC0010028L)
-#define RNDIS_STATUS_NO_ROUTE_TO_DESTINATION	(0xC0010029L)
-
-#define RNDIS_STATUS_TOKEN_RING_OPEN_ERROR	(0xC0011000L)
-
-/* Object Identifiers used by NdisRequest Query/Set Information */
-/* General Objects */
-#define RNDIS_OID_GEN_SUPPORTED_LIST		0x00010101
-#define RNDIS_OID_GEN_HARDWARE_STATUS		0x00010102
-#define RNDIS_OID_GEN_MEDIA_SUPPORTED		0x00010103
-#define RNDIS_OID_GEN_MEDIA_IN_USE		0x00010104
-#define RNDIS_OID_GEN_MAXIMUM_LOOKAHEAD		0x00010105
-#define RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE	0x00010106
-#define RNDIS_OID_GEN_LINK_SPEED		0x00010107
-#define RNDIS_OID_GEN_TRANSMIT_BUFFER_SPACE	0x00010108
-#define RNDIS_OID_GEN_RECEIVE_BUFFER_SPACE	0x00010109
-#define RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE	0x0001010A
-#define RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE	0x0001010B
-#define RNDIS_OID_GEN_VENDOR_ID			0x0001010C
-#define RNDIS_OID_GEN_VENDOR_DESCRIPTION	0x0001010D
-#define RNDIS_OID_GEN_CURRENT_PACKET_FILTER	0x0001010E
-#define RNDIS_OID_GEN_CURRENT_LOOKAHEAD		0x0001010F
-#define RNDIS_OID_GEN_DRIVER_VERSION		0x00010110
-#define RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE	0x00010111
-#define RNDIS_OID_GEN_PROTOCOL_OPTIONS		0x00010112
-#define RNDIS_OID_GEN_MAC_OPTIONS		0x00010113
-#define RNDIS_OID_GEN_MEDIA_CONNECT_STATUS	0x00010114
-#define RNDIS_OID_GEN_MAXIMUM_SEND_PACKETS	0x00010115
-#define RNDIS_OID_GEN_VENDOR_DRIVER_VERSION	0x00010116
-#define RNDIS_OID_GEN_NETWORK_LAYER_ADDRESSES	0x00010118
-#define RNDIS_OID_GEN_TRANSPORT_HEADER_OFFSET	0x00010119
-#define RNDIS_OID_GEN_MACHINE_NAME		0x0001021A
-#define RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER	0x0001021B
-
-#define RNDIS_OID_GEN_XMIT_OK			0x00020101
-#define RNDIS_OID_GEN_RCV_OK			0x00020102
-#define RNDIS_OID_GEN_XMIT_ERROR		0x00020103
-#define RNDIS_OID_GEN_RCV_ERROR			0x00020104
-#define RNDIS_OID_GEN_RCV_NO_BUFFER		0x00020105
-
-#define RNDIS_OID_GEN_DIRECTED_BYTES_XMIT	0x00020201
-#define RNDIS_OID_GEN_DIRECTED_FRAMES_XMIT	0x00020202
-#define RNDIS_OID_GEN_MULTICAST_BYTES_XMIT	0x00020203
-#define RNDIS_OID_GEN_MULTICAST_FRAMES_XMIT	0x00020204
-#define RNDIS_OID_GEN_BROADCAST_BYTES_XMIT	0x00020205
-#define RNDIS_OID_GEN_BROADCAST_FRAMES_XMIT	0x00020206
-#define RNDIS_OID_GEN_DIRECTED_BYTES_RCV	0x00020207
-#define RNDIS_OID_GEN_DIRECTED_FRAMES_RCV	0x00020208
-#define RNDIS_OID_GEN_MULTICAST_BYTES_RCV	0x00020209
-#define RNDIS_OID_GEN_MULTICAST_FRAMES_RCV	0x0002020A
-#define RNDIS_OID_GEN_BROADCAST_BYTES_RCV	0x0002020B
-#define RNDIS_OID_GEN_BROADCAST_FRAMES_RCV	0x0002020C
-
-#define RNDIS_OID_GEN_RCV_CRC_ERROR		0x0002020D
-#define RNDIS_OID_GEN_TRANSMIT_QUEUE_LENGTH	0x0002020E
-
-#define RNDIS_OID_GEN_GET_TIME_CAPS		0x0002020F
-#define RNDIS_OID_GEN_GET_NETCARD_TIME		0x00020210
-
-/* These are connection-oriented general OIDs. */
-/* These replace the above OIDs for connection-oriented media. */
-#define RNDIS_OID_GEN_CO_SUPPORTED_LIST		0x00010101
-#define RNDIS_OID_GEN_CO_HARDWARE_STATUS	0x00010102
-#define RNDIS_OID_GEN_CO_MEDIA_SUPPORTED	0x00010103
-#define RNDIS_OID_GEN_CO_MEDIA_IN_USE		0x00010104
-#define RNDIS_OID_GEN_CO_LINK_SPEED		0x00010105
-#define RNDIS_OID_GEN_CO_VENDOR_ID		0x00010106
-#define RNDIS_OID_GEN_CO_VENDOR_DESCRIPTION	0x00010107
-#define RNDIS_OID_GEN_CO_DRIVER_VERSION		0x00010108
-#define RNDIS_OID_GEN_CO_PROTOCOL_OPTIONS	0x00010109
-#define RNDIS_OID_GEN_CO_MAC_OPTIONS		0x0001010A
-#define RNDIS_OID_GEN_CO_MEDIA_CONNECT_STATUS	0x0001010B
-#define RNDIS_OID_GEN_CO_VENDOR_DRIVER_VERSION	0x0001010C
-#define RNDIS_OID_GEN_CO_MINIMUM_LINK_SPEED	0x0001010D
-
-#define RNDIS_OID_GEN_CO_GET_TIME_CAPS		0x00010201
-#define RNDIS_OID_GEN_CO_GET_NETCARD_TIME	0x00010202
-
-/* These are connection-oriented statistics OIDs. */
-#define RNDIS_OID_GEN_CO_XMIT_PDUS_OK		0x00020101
-#define RNDIS_OID_GEN_CO_RCV_PDUS_OK		0x00020102
-#define RNDIS_OID_GEN_CO_XMIT_PDUS_ERROR	0x00020103
-#define RNDIS_OID_GEN_CO_RCV_PDUS_ERROR		0x00020104
-#define RNDIS_OID_GEN_CO_RCV_PDUS_NO_BUFFER	0x00020105
-
-
-#define RNDIS_OID_GEN_CO_RCV_CRC_ERROR		0x00020201
-#define RNDIS_OID_GEN_CO_TRANSMIT_QUEUE_LENGTH	0x00020202
-#define RNDIS_OID_GEN_CO_BYTES_XMIT		0x00020203
-#define RNDIS_OID_GEN_CO_BYTES_RCV		0x00020204
-#define RNDIS_OID_GEN_CO_BYTES_XMIT_OUTSTANDING	0x00020205
-#define RNDIS_OID_GEN_CO_NETCARD_LOAD		0x00020206
-
-/* These are objects for Connection-oriented media call-managers. */
-#define RNDIS_OID_CO_ADD_PVC			0xFF000001
-#define RNDIS_OID_CO_DELETE_PVC			0xFF000002
-#define RNDIS_OID_CO_GET_CALL_INFORMATION	0xFF000003
-#define RNDIS_OID_CO_ADD_ADDRESS		0xFF000004
-#define RNDIS_OID_CO_DELETE_ADDRESS		0xFF000005
-#define RNDIS_OID_CO_GET_ADDRESSES		0xFF000006
-#define RNDIS_OID_CO_ADDRESS_CHANGE		0xFF000007
-#define RNDIS_OID_CO_SIGNALING_ENABLED		0xFF000008
-#define RNDIS_OID_CO_SIGNALING_DISABLED		0xFF000009
-
-/* 802.3 Objects (Ethernet) */
-#define RNDIS_OID_802_3_PERMANENT_ADDRESS	0x01010101
-#define RNDIS_OID_802_3_CURRENT_ADDRESS		0x01010102
-#define RNDIS_OID_802_3_MULTICAST_LIST		0x01010103
-#define RNDIS_OID_802_3_MAXIMUM_LIST_SIZE	0x01010104
-#define RNDIS_OID_802_3_MAC_OPTIONS		0x01010105
-
-#define NDIS_802_3_MAC_OPTION_PRIORITY		0x00000001
-
-#define RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT	0x01020101
-#define RNDIS_OID_802_3_XMIT_ONE_COLLISION	0x01020102
-#define RNDIS_OID_802_3_XMIT_MORE_COLLISIONS	0x01020103
-
-#define RNDIS_OID_802_3_XMIT_DEFERRED		0x01020201
-#define RNDIS_OID_802_3_XMIT_MAX_COLLISIONS	0x01020202
-#define RNDIS_OID_802_3_RCV_OVERRUN		0x01020203
-#define RNDIS_OID_802_3_XMIT_UNDERRUN		0x01020204
-#define RNDIS_OID_802_3_XMIT_HEARTBEAT_FAILURE	0x01020205
-#define RNDIS_OID_802_3_XMIT_TIMES_CRS_LOST	0x01020206
-#define RNDIS_OID_802_3_XMIT_LATE_COLLISIONS	0x01020207
-
-/* Remote NDIS message types */
-#define REMOTE_NDIS_PACKET_MSG			0x00000001
-#define REMOTE_NDIS_INITIALIZE_MSG		0x00000002
-#define REMOTE_NDIS_HALT_MSG			0x00000003
-#define REMOTE_NDIS_QUERY_MSG			0x00000004
-#define REMOTE_NDIS_SET_MSG			0x00000005
-#define REMOTE_NDIS_RESET_MSG			0x00000006
-#define REMOTE_NDIS_INDICATE_STATUS_MSG		0x00000007
-#define REMOTE_NDIS_KEEPALIVE_MSG		0x00000008
-
-#define REMOTE_CONDIS_MP_CREATE_VC_MSG		0x00008001
-#define REMOTE_CONDIS_MP_DELETE_VC_MSG		0x00008002
-#define REMOTE_CONDIS_MP_ACTIVATE_VC_MSG	0x00008005
-#define REMOTE_CONDIS_MP_DEACTIVATE_VC_MSG	0x00008006
-#define REMOTE_CONDIS_INDICATE_STATUS_MSG	0x00008007
-
-/* Remote NDIS message completion types */
-#define REMOTE_NDIS_INITIALIZE_CMPLT		0x80000002
-#define REMOTE_NDIS_QUERY_CMPLT			0x80000004
-#define REMOTE_NDIS_SET_CMPLT			0x80000005
-#define REMOTE_NDIS_RESET_CMPLT			0x80000006
-#define REMOTE_NDIS_KEEPALIVE_CMPLT		0x80000008
-
-#define REMOTE_CONDIS_MP_CREATE_VC_CMPLT	0x80008001
-#define REMOTE_CONDIS_MP_DELETE_VC_CMPLT	0x80008002
-#define REMOTE_CONDIS_MP_ACTIVATE_VC_CMPLT	0x80008005
-#define REMOTE_CONDIS_MP_DEACTIVATE_VC_CMPLT	0x80008006
-
-/*
- * Reserved message type for private communication between lower-layer host
- * driver and remote device, if necessary.
- */
-#define REMOTE_NDIS_BUS_MSG			0xff000001
-
-/*  Defines for DeviceFlags in struct rndis_initialize_complete */
-#define RNDIS_DF_CONNECTIONLESS			0x00000001
-#define RNDIS_DF_CONNECTION_ORIENTED		0x00000002
-#define RNDIS_DF_RAW_DATA			0x00000004
-
-/*  Remote NDIS medium types. */
-#define RNDIS_MEDIUM_802_3			0x00000000
-#define RNDIS_MEDIUM_802_5			0x00000001
-#define RNDIS_MEDIUM_FDDI				0x00000002
-#define RNDIS_MEDIUM_WAN				0x00000003
-#define RNDIS_MEDIUM_LOCAL_TALK			0x00000004
-#define RNDIS_MEDIUM_ARCNET_RAW			0x00000006
-#define RNDIS_MEDIUM_ARCNET_878_2			0x00000007
-#define RNDIS_MEDIUM_ATM				0x00000008
-#define RNDIS_MEDIUM_WIRELESS_WAN			0x00000009
-#define RNDIS_MEDIUM_IRDA				0x0000000a
-#define RNDIS_MEDIUM_CO_WAN			0x0000000b
-/* Not a real medium, defined as an upper-bound */
-#define RNDIS_MEDIUM_MAX				0x0000000d
-
-
-/* Remote NDIS medium connection states. */
-#define RNDIS_MEDIA_STATE_CONNECTED		0x00000000
-#define RNDIS_MEDIA_STATE_DISCONNECTED		0x00000001
-
-/*  Remote NDIS version numbers */
-#define RNDIS_MAJOR_VERSION			0x00000001
-#define RNDIS_MINOR_VERSION			0x00000000
-
-
-/* NdisInitialize message */
-struct rndis_initialize_request {
-	u32 req_id;
-	u32 major_ver;
-	u32 minor_ver;
-	u32 max_xfer_size;
-};
-
-/* Response to NdisInitialize */
-struct rndis_initialize_complete {
-	u32 req_id;
-	u32 status;
-	u32 major_ver;
-	u32 minor_ver;
-	u32 dev_flags;
-	u32 medium;
-	u32 max_pkt_per_msg;
-	u32 max_xfer_size;
-	u32 pkt_alignment_factor;
-	u32 af_list_offset;
-	u32 af_list_size;
-};
-
-/* Call manager devices only: Information about an address family */
-/* supported by the device is appended to the response to NdisInitialize. */
-struct rndis_co_address_family {
-	u32 address_family;
-	u32 major_ver;
-	u32 minor_ver;
-};
-
-/* NdisHalt message */
-struct rndis_halt_request {
-	u32 req_id;
-};
-
-/* NdisQueryRequest message */
-struct rndis_query_request {
-	u32 req_id;
-	u32 oid;
-	u32 info_buflen;
-	u32 info_buf_offset;
-	u32 dev_vc_handle;
-};
-
-/* Response to NdisQueryRequest */
-struct rndis_query_complete {
-	u32 req_id;
-	u32 status;
-	u32 info_buflen;
-	u32 info_buf_offset;
-};
-
-/* NdisSetRequest message */
-struct rndis_set_request {
-	u32 req_id;
-	u32 oid;
-	u32 info_buflen;
-	u32 info_buf_offset;
-	u32 dev_vc_handle;
-};
-
-/* Response to NdisSetRequest */
-struct rndis_set_complete {
-	u32 req_id;
-	u32 status;
-};
-
-/* NdisReset message */
-struct rndis_reset_request {
-	u32 reserved;
-};
-
-/* Response to NdisReset */
-struct rndis_reset_complete {
-	u32 status;
-	u32 addressing_reset;
-};
-
-/* NdisMIndicateStatus message */
-struct rndis_indicate_status {
-	u32 status;
-	u32 status_buflen;
-	u32 status_buf_offset;
-};
-
-/* Diagnostic information passed as the status buffer in */
-/* struct rndis_indicate_status messages signifying error conditions. */
-struct rndis_diagnostic_info {
-	u32 diag_status;
-	u32 error_offset;
-};
-
-/* NdisKeepAlive message */
-struct rndis_keepalive_request {
-	u32 req_id;
-};
-
-/* Response to NdisKeepAlive */
-struct rndis_keepalive_complete {
-	u32 req_id;
-	u32 status;
-};
-
-/*
- * Data message. All Offset fields contain byte offsets from the beginning of
- * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
- * to 0 for connectionless data, otherwise it contains the VC handle.
- */
-struct rndis_packet {
-	u32 data_offset;
-	u32 data_len;
-	u32 oob_data_offset;
-	u32 oob_data_len;
-	u32 num_oob_data_elements;
-	u32 per_pkt_info_offset;
-	u32 per_pkt_info_len;
-	u32 vc_handle;
-	u32 reserved;
-};
-
-/* Optional Out of Band data associated with a Data message. */
-struct rndis_oobd {
-	u32 size;
-	u32 type;
-	u32 class_info_offset;
-};
-
-/* Packet extension field contents associated with a Data message. */
-struct rndis_per_packet_info {
-	u32 size;
-	u32 type;
-	u32 per_pkt_info_offset;
-};
-
-/* Format of Information buffer passed in a SetRequest for the OID */
-/* OID_GEN_RNDIS_CONFIG_PARAMETER. */
-struct rndis_config_parameter_info {
-	u32 parameter_name_offset;
-	u32 parameter_name_length;
-	u32 parameter_type;
-	u32 parameter_value_offset;
-	u32 parameter_value_length;
-};
-
-/* Values for ParameterType in struct rndis_config_parameter_info */
-#define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
-#define RNDIS_CONFIG_PARAM_TYPE_STRING      2
-
-/* CONDIS Miniport messages for connection oriented devices */
-/* that do not implement a call manager. */
-
-/* CoNdisMiniportCreateVc message */
-struct rcondis_mp_create_vc {
-	u32 req_id;
-	u32 ndis_vc_handle;
-};
-
-/* Response to CoNdisMiniportCreateVc */
-struct rcondis_mp_create_vc_complete {
-	u32 req_id;
-	u32 dev_vc_handle;
-	u32 status;
-};
-
-/* CoNdisMiniportDeleteVc message */
-struct rcondis_mp_delete_vc {
-	u32 req_id;
-	u32 dev_vc_handle;
-};
-
-/* Response to CoNdisMiniportDeleteVc */
-struct rcondis_mp_delete_vc_complete {
-	u32 req_id;
-	u32 status;
-};
-
-/* CoNdisMiniportQueryRequest message */
-struct rcondis_mp_query_request {
-	u32 req_id;
-	u32 request_type;
-	u32 oid;
-	u32 dev_vc_handle;
-	u32 info_buflen;
-	u32 info_buf_offset;
-};
-
-/* CoNdisMiniportSetRequest message */
-struct rcondis_mp_set_request {
-	u32 req_id;
-	u32 request_type;
-	u32 oid;
-	u32 dev_vc_handle;
-	u32 info_buflen;
-	u32 info_buf_offset;
-};
-
-/* CoNdisIndicateStatus message */
-struct rcondis_indicate_status {
-	u32 ndis_vc_handle;
-	u32 status;
-	u32 status_buflen;
-	u32 status_buf_offset;
-};
-
-/* CONDIS Call/VC parameters */
-struct rcondis_specific_parameters {
-	u32 parameter_type;
-	u32 parameter_length;
-	u32 parameter_lffset;
-};
-
-struct rcondis_media_parameters {
-	u32 flags;
-	u32 reserved1;
-	u32 reserved2;
-	struct rcondis_specific_parameters media_specific;
-};
-
-struct rndis_flowspec {
-	u32 token_rate;
-	u32 token_bucket_size;
-	u32 peak_bandwidth;
-	u32 latency;
-	u32 delay_variation;
-	u32 service_type;
-	u32 max_sdu_size;
-	u32 minimum_policed_size;
-};
-
-struct rcondis_call_manager_parameters {
-	struct rndis_flowspec transmit;
-	struct rndis_flowspec receive;
-	struct rcondis_specific_parameters call_mgr_specific;
-};
-
-/* CoNdisMiniportActivateVc message */
-struct rcondis_mp_activate_vc_request {
-	u32 req_id;
-	u32 flags;
-	u32 dev_vc_handle;
-	u32 media_params_offset;
-	u32 media_params_length;
-	u32 call_mgr_params_offset;
-	u32 call_mgr_params_length;
-};
-
-/* Response to CoNdisMiniportActivateVc */
-struct rcondis_mp_activate_vc_complete {
-	u32 req_id;
-	u32 status;
-};
-
-/* CoNdisMiniportDeactivateVc message */
-struct rcondis_mp_deactivate_vc_request {
-	u32 req_id;
-	u32 flags;
-	u32 dev_vc_handle;
-};
-
-/* Response to CoNdisMiniportDeactivateVc */
-struct rcondis_mp_deactivate_vc_complete {
-	u32 req_id;
-	u32 status;
-};
-
-
-/* union with all of the RNDIS messages */
-union rndis_message_container {
-	struct rndis_packet pkt;
-	struct rndis_initialize_request init_req;
-	struct rndis_halt_request halt_req;
-	struct rndis_query_request query_req;
-	struct rndis_set_request set_req;
-	struct rndis_reset_request reset_req;
-	struct rndis_keepalive_request keep_alive_req;
-	struct rndis_indicate_status indicate_status;
-	struct rndis_initialize_complete init_complete;
-	struct rndis_query_complete query_complete;
-	struct rndis_set_complete set_complete;
-	struct rndis_reset_complete reset_complete;
-	struct rndis_keepalive_complete keep_alive_complete;
-	struct rcondis_mp_create_vc co_miniport_create_vc;
-	struct rcondis_mp_delete_vc co_miniport_delete_vc;
-	struct rcondis_indicate_status co_indicate_status;
-	struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
-	struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
-	struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
-	struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
-	struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
-	struct rcondis_mp_deactivate_vc_complete
-		co_miniport_deactivate_vc_complete;
-};
-
-/* Remote NDIS message format */
-struct rndis_message {
-	u32 ndis_msg_type;
-
-	/* Total length of this message, from the beginning */
-	/* of the sruct rndis_message, in bytes. */
-	u32 msg_len;
-
-	/* Actual message */
-	union rndis_message_container msg;
-};
-
-
-struct rndis_filter_packet {
-	void *completion_ctx;
-	void (*completion)(void *context);
-	struct rndis_message msg;
-};
-
-/* Handy macros */
-
-/* get the size of an RNDIS message. Pass in the message type, */
-/* struct rndis_set_request, struct rndis_packet for example */
-#define RNDIS_MESSAGE_SIZE(msg)				\
-	(sizeof(msg) + (sizeof(struct rndis_message) -	\
-	 sizeof(union rndis_message_container)))
-
-/* get pointer to info buffer with message pointer */
-#define MESSAGE_TO_INFO_BUFFER(msg)				\
-	(((unsigned char *)(msg)) + msg->info_buf_offset)
-
-/* get pointer to status buffer with message pointer */
-#define MESSAGE_TO_STATUS_BUFFER(msg)			\
-	(((unsigned char *)(msg)) + msg->status_buf_offset)
-
-/* get pointer to OOBD buffer with message pointer */
-#define MESSAGE_TO_OOBD_BUFFER(msg)				\
-	(((unsigned char *)(msg)) + msg->oob_data_offset)
-
-/* get pointer to data buffer with message pointer */
-#define MESSAGE_TO_DATA_BUFFER(msg)				\
-	(((unsigned char *)(msg)) + msg->per_pkt_info_offset)
-
-/* get pointer to contained message from NDIS_MESSAGE pointer */
-#define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)		\
-	((void *) &rndis_msg->msg)
-
-/* get pointer to contained message from NDIS_MESSAGE pointer */
-#define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg)	\
-	((void *) rndis_msg)
-
-
-#define __struct_bcount(x)
-
-
-
-#define RNDIS_HEADER_SIZE	(sizeof(struct rndis_message) - \
-				 sizeof(union rndis_message_container))
-
-#define NDIS_PACKET_TYPE_DIRECTED	0x00000001
-#define NDIS_PACKET_TYPE_MULTICAST	0x00000002
-#define NDIS_PACKET_TYPE_ALL_MULTICAST	0x00000004
-#define NDIS_PACKET_TYPE_BROADCAST	0x00000008
-#define NDIS_PACKET_TYPE_SOURCE_ROUTING	0x00000010
-#define NDIS_PACKET_TYPE_PROMISCUOUS	0x00000020
-#define NDIS_PACKET_TYPE_SMT		0x00000040
-#define NDIS_PACKET_TYPE_ALL_LOCAL	0x00000080
-#define NDIS_PACKET_TYPE_GROUP		0x00000100
-#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL	0x00000200
-#define NDIS_PACKET_TYPE_FUNCTIONAL	0x00000400
-#define NDIS_PACKET_TYPE_MAC_FRAME	0x00000800
-
-
-
-#endif /* _HYPERV_NET_H */
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
deleted file mode 100644
index 28e69a6c74a1..000000000000
--- a/drivers/staging/hv/netvsc.c
+++ /dev/null
@@ -1,939 +0,0 @@
-/*
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/netdevice.h>
-
-#include "hyperv_net.h"
-
-
-static struct netvsc_device *alloc_net_device(struct hv_device *device)
-{
-	struct netvsc_device *net_device;
-	struct net_device *ndev = hv_get_drvdata(device);
-
-	net_device = kzalloc(sizeof(struct netvsc_device), GFP_KERNEL);
-	if (!net_device)
-		return NULL;
-
-
-	net_device->destroy = false;
-	net_device->dev = device;
-	net_device->ndev = ndev;
-
-	hv_set_drvdata(device, net_device);
-	return net_device;
-}
-
-static struct netvsc_device *get_outbound_net_device(struct hv_device *device)
-{
-	struct netvsc_device *net_device;
-
-	net_device = hv_get_drvdata(device);
-	if (net_device && net_device->destroy)
-		net_device = NULL;
-
-	return net_device;
-}
-
-static struct netvsc_device *get_inbound_net_device(struct hv_device *device)
-{
-	struct netvsc_device *net_device;
-
-	net_device = hv_get_drvdata(device);
-
-	if (!net_device)
-		goto get_in_err;
-
-	if (net_device->destroy &&
-		atomic_read(&net_device->num_outstanding_sends) == 0)
-		net_device = NULL;
-
-get_in_err:
-	return net_device;
-}
-
-
-static int netvsc_destroy_recv_buf(struct netvsc_device *net_device)
-{
-	struct nvsp_message *revoke_packet;
-	int ret = 0;
-	struct net_device *ndev = net_device->ndev;
-
-	/*
-	 * If we got a section count, it means we received a
-	 * SendReceiveBufferComplete msg (ie sent
-	 * NvspMessage1TypeSendReceiveBuffer msg) therefore, we need
-	 * to send a revoke msg here
-	 */
-	if (net_device->recv_section_cnt) {
-		/* Send the revoke receive buffer */
-		revoke_packet = &net_device->revoke_packet;
-		memset(revoke_packet, 0, sizeof(struct nvsp_message));
-
-		revoke_packet->hdr.msg_type =
-			NVSP_MSG1_TYPE_REVOKE_RECV_BUF;
-		revoke_packet->msg.v1_msg.
-		revoke_recv_buf.id = NETVSC_RECEIVE_BUFFER_ID;
-
-		ret = vmbus_sendpacket(net_device->dev->channel,
-				       revoke_packet,
-				       sizeof(struct nvsp_message),
-				       (unsigned long)revoke_packet,
-				       VM_PKT_DATA_INBAND, 0);
-		/*
-		 * If we failed here, we might as well return and
-		 * have a leak rather than continue and a bugchk
-		 */
-		if (ret != 0) {
-			netdev_err(ndev, "unable to send "
-				"revoke receive buffer to netvsp\n");
-			return ret;
-		}
-	}
-
-	/* Teardown the gpadl on the vsp end */
-	if (net_device->recv_buf_gpadl_handle) {
-		ret = vmbus_teardown_gpadl(net_device->dev->channel,
-			   net_device->recv_buf_gpadl_handle);
-
-		/* If we failed here, we might as well return and have a leak
-		 * rather than continue and a bugchk
-		 */
-		if (ret != 0) {
-			netdev_err(ndev,
-				   "unable to teardown receive buffer's gpadl\n");
-			return ret;
-		}
-		net_device->recv_buf_gpadl_handle = 0;
-	}
-
-	if (net_device->recv_buf) {
-		/* Free up the receive buffer */
-		free_pages((unsigned long)net_device->recv_buf,
-			get_order(net_device->recv_buf_size));
-		net_device->recv_buf = NULL;
-	}
-
-	if (net_device->recv_section) {
-		net_device->recv_section_cnt = 0;
-		kfree(net_device->recv_section);
-		net_device->recv_section = NULL;
-	}
-
-	return ret;
-}
-
-static int netvsc_init_recv_buf(struct hv_device *device)
-{
-	int ret = 0;
-	int t;
-	struct netvsc_device *net_device;
-	struct nvsp_message *init_packet;
-	struct net_device *ndev;
-
-	net_device = get_outbound_net_device(device);
-	if (!net_device)
-		return -ENODEV;
-	ndev = net_device->ndev;
-
-	net_device->recv_buf =
-		(void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
-				get_order(net_device->recv_buf_size));
-	if (!net_device->recv_buf) {
-		netdev_err(ndev, "unable to allocate receive "
-			"buffer of size %d\n", net_device->recv_buf_size);
-		ret = -ENOMEM;
-		goto cleanup;
-	}
-
-	/*
-	 * Establish the gpadl handle for this buffer on this
-	 * channel.  Note: This call uses the vmbus connection rather
-	 * than the channel to establish the gpadl handle.
-	 */
-	ret = vmbus_establish_gpadl(device->channel, net_device->recv_buf,
-				    net_device->recv_buf_size,
-				    &net_device->recv_buf_gpadl_handle);
-	if (ret != 0) {
-		netdev_err(ndev,
-			"unable to establish receive buffer's gpadl\n");
-		goto cleanup;
-	}
-
-
-	/* Notify the NetVsp of the gpadl handle */
-	init_packet = &net_device->channel_init_pkt;
-
-	memset(init_packet, 0, sizeof(struct nvsp_message));
-
-	init_packet->hdr.msg_type = NVSP_MSG1_TYPE_SEND_RECV_BUF;
-	init_packet->msg.v1_msg.send_recv_buf.
-		gpadl_handle = net_device->recv_buf_gpadl_handle;
-	init_packet->msg.v1_msg.
-		send_recv_buf.id = NETVSC_RECEIVE_BUFFER_ID;
-
-	/* Send the gpadl notification request */
-	ret = vmbus_sendpacket(device->channel, init_packet,
-			       sizeof(struct nvsp_message),
-			       (unsigned long)init_packet,
-			       VM_PKT_DATA_INBAND,
-			       VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
-	if (ret != 0) {
-		netdev_err(ndev,
-			"unable to send receive buffer's gpadl to netvsp\n");
-		goto cleanup;
-	}
-
-	t = wait_for_completion_timeout(&net_device->channel_init_wait, 5*HZ);
-	BUG_ON(t == 0);
-
-
-	/* Check the response */
-	if (init_packet->msg.v1_msg.
-	    send_recv_buf_complete.status != NVSP_STAT_SUCCESS) {
-		netdev_err(ndev, "Unable to complete receive buffer "
-			   "initialization with NetVsp - status %d\n",
-			   init_packet->msg.v1_msg.
-			   send_recv_buf_complete.status);
-		ret = -EINVAL;
-		goto cleanup;
-	}
-
-	/* Parse the response */
-
-	net_device->recv_section_cnt = init_packet->msg.
-		v1_msg.send_recv_buf_complete.num_sections;
-
-	net_device->recv_section = kmemdup(init_packet->msg.v1_msg.send_recv_buf_complete.sections,
-					   net_device->recv_section_cnt * sizeof(struct nvsp_1_receive_buffer_section),
-					   GFP_KERNEL);
-	if (net_device->recv_section == NULL) {
-		ret = -EINVAL;
-		goto cleanup;
-	}
-
-	/*
-	 * For 1st release, there should only be 1 section that represents the
-	 * entire receive buffer
-	 */
-	if (net_device->recv_section_cnt != 1 ||
-	    net_device->recv_section->offset != 0) {
-		ret = -EINVAL;
-		goto cleanup;
-	}
-
-	goto exit;
-
-cleanup:
-	netvsc_destroy_recv_buf(net_device);
-
-exit:
-	return ret;
-}
-
-
-static int netvsc_connect_vsp(struct hv_device *device)
-{
-	int ret, t;
-	struct netvsc_device *net_device;
-	struct nvsp_message *init_packet;
-	int ndis_version;
-	struct net_device *ndev;
-
-	net_device = get_outbound_net_device(device);
-	if (!net_device)
-		return -ENODEV;
-	ndev = net_device->ndev;
-
-	init_packet = &net_device->channel_init_pkt;
-
-	memset(init_packet, 0, sizeof(struct nvsp_message));
-	init_packet->hdr.msg_type = NVSP_MSG_TYPE_INIT;
-	init_packet->msg.init_msg.init.min_protocol_ver =
-		NVSP_MIN_PROTOCOL_VERSION;
-	init_packet->msg.init_msg.init.max_protocol_ver =
-		NVSP_MAX_PROTOCOL_VERSION;
-
-	/* Send the init request */
-	ret = vmbus_sendpacket(device->channel, init_packet,
-			       sizeof(struct nvsp_message),
-			       (unsigned long)init_packet,
-			       VM_PKT_DATA_INBAND,
-			       VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
-
-	if (ret != 0)
-		goto cleanup;
-
-	t = wait_for_completion_timeout(&net_device->channel_init_wait, 5*HZ);
-
-	if (t == 0) {
-		ret = -ETIMEDOUT;
-		goto cleanup;
-	}
-
-	if (init_packet->msg.init_msg.init_complete.status !=
-	    NVSP_STAT_SUCCESS) {
-		ret = -EINVAL;
-		goto cleanup;
-	}
-
-	if (init_packet->msg.init_msg.init_complete.
-	    negotiated_protocol_ver != NVSP_PROTOCOL_VERSION_1) {
-		ret = -EPROTO;
-		goto cleanup;
-	}
-	/* Send the ndis version */
-	memset(init_packet, 0, sizeof(struct nvsp_message));
-
-	ndis_version = 0x00050000;
-
-	init_packet->hdr.msg_type = NVSP_MSG1_TYPE_SEND_NDIS_VER;
-	init_packet->msg.v1_msg.
-		send_ndis_ver.ndis_major_ver =
-				(ndis_version & 0xFFFF0000) >> 16;
-	init_packet->msg.v1_msg.
-		send_ndis_ver.ndis_minor_ver =
-				ndis_version & 0xFFFF;
-
-	/* Send the init request */
-	ret = vmbus_sendpacket(device->channel, init_packet,
-				sizeof(struct nvsp_message),
-				(unsigned long)init_packet,
-				VM_PKT_DATA_INBAND, 0);
-	if (ret != 0)
-		goto cleanup;
-
-	/* Post the big receive buffer to NetVSP */
-	ret = netvsc_init_recv_buf(device);
-
-cleanup:
-	return ret;
-}
-
-static void netvsc_disconnect_vsp(struct netvsc_device *net_device)
-{
-	netvsc_destroy_recv_buf(net_device);
-}
-
-/*
- * netvsc_device_remove - Callback when the root bus device is removed
- */
-int netvsc_device_remove(struct hv_device *device)
-{
-	struct netvsc_device *net_device;
-	struct hv_netvsc_packet *netvsc_packet, *pos;
-	unsigned long flags;
-
-	net_device = hv_get_drvdata(device);
-	spin_lock_irqsave(&device->channel->inbound_lock, flags);
-	net_device->destroy = true;
-	spin_unlock_irqrestore(&device->channel->inbound_lock, flags);
-
-	/* Wait for all send completions */
-	while (atomic_read(&net_device->num_outstanding_sends)) {
-		dev_info(&device->device,
-			"waiting for %d requests to complete...\n",
-			atomic_read(&net_device->num_outstanding_sends));
-		udelay(100);
-	}
-
-	netvsc_disconnect_vsp(net_device);
-
-	/*
-	 * Since we have already drained, we don't need to busy wait
-	 * as was done in final_release_stor_device()
-	 * Note that we cannot set the ext pointer to NULL until
-	 * we have drained - to drain the outgoing packets, we need to
-	 * allow incoming packets.
-	 */
-
-	spin_lock_irqsave(&device->channel->inbound_lock, flags);
-	hv_set_drvdata(device, NULL);
-	spin_unlock_irqrestore(&device->channel->inbound_lock, flags);
-
-	/*
-	 * At this point, no one should be accessing net_device
-	 * except in here
-	 */
-	dev_notice(&device->device, "net device safe to remove\n");
-
-	/* Now, we can close the channel safely */
-	vmbus_close(device->channel);
-
-	/* Release all resources */
-	list_for_each_entry_safe(netvsc_packet, pos,
-				 &net_device->recv_pkt_list, list_ent) {
-		list_del(&netvsc_packet->list_ent);
-		kfree(netvsc_packet);
-	}
-
-	kfree(net_device);
-	return 0;
-}
-
-static void netvsc_send_completion(struct hv_device *device,
-				   struct vmpacket_descriptor *packet)
-{
-	struct netvsc_device *net_device;
-	struct nvsp_message *nvsp_packet;
-	struct hv_netvsc_packet *nvsc_packet;
-	struct net_device *ndev;
-
-	net_device = get_inbound_net_device(device);
-	if (!net_device)
-		return;
-	ndev = net_device->ndev;
-
-	nvsp_packet = (struct nvsp_message *)((unsigned long)packet +
-			(packet->offset8 << 3));
-
-	if ((nvsp_packet->hdr.msg_type == NVSP_MSG_TYPE_INIT_COMPLETE) ||
-	    (nvsp_packet->hdr.msg_type ==
-	     NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE) ||
-	    (nvsp_packet->hdr.msg_type ==
-	     NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE)) {
-		/* Copy the response back */
-		memcpy(&net_device->channel_init_pkt, nvsp_packet,
-		       sizeof(struct nvsp_message));
-		complete(&net_device->channel_init_wait);
-	} else if (nvsp_packet->hdr.msg_type ==
-		   NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE) {
-		/* Get the send context */
-		nvsc_packet = (struct hv_netvsc_packet *)(unsigned long)
-			packet->trans_id;
-
-		/* Notify the layer above us */
-		nvsc_packet->completion.send.send_completion(
-			nvsc_packet->completion.send.send_completion_ctx);
-
-		atomic_dec(&net_device->num_outstanding_sends);
-	} else {
-		netdev_err(ndev, "Unknown send completion packet type- "
-			   "%d received!!\n", nvsp_packet->hdr.msg_type);
-	}
-
-}
-
-int netvsc_send(struct hv_device *device,
-			struct hv_netvsc_packet *packet)
-{
-	struct netvsc_device *net_device;
-	int ret = 0;
-	struct nvsp_message sendMessage;
-	struct net_device *ndev;
-
-	net_device = get_outbound_net_device(device);
-	if (!net_device)
-		return -ENODEV;
-	ndev = net_device->ndev;
-
-	sendMessage.hdr.msg_type = NVSP_MSG1_TYPE_SEND_RNDIS_PKT;
-	if (packet->is_data_pkt) {
-		/* 0 is RMC_DATA; */
-		sendMessage.msg.v1_msg.send_rndis_pkt.channel_type = 0;
-	} else {
-		/* 1 is RMC_CONTROL; */
-		sendMessage.msg.v1_msg.send_rndis_pkt.channel_type = 1;
-	}
-
-	/* Not using send buffer section */
-	sendMessage.msg.v1_msg.send_rndis_pkt.send_buf_section_index =
-		0xFFFFFFFF;
-	sendMessage.msg.v1_msg.send_rndis_pkt.send_buf_section_size = 0;
-
-	if (packet->page_buf_cnt) {
-		ret = vmbus_sendpacket_pagebuffer(device->channel,
-						  packet->page_buf,
-						  packet->page_buf_cnt,
-						  &sendMessage,
-						  sizeof(struct nvsp_message),
-						  (unsigned long)packet);
-	} else {
-		ret = vmbus_sendpacket(device->channel, &sendMessage,
-				sizeof(struct nvsp_message),
-				(unsigned long)packet,
-				VM_PKT_DATA_INBAND,
-				VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
-
-	}
-
-	if (ret != 0)
-		netdev_err(ndev, "Unable to send packet %p ret %d\n",
-			   packet, ret);
-	else
-		atomic_inc(&net_device->num_outstanding_sends);
-
-	return ret;
-}
-
-static void netvsc_send_recv_completion(struct hv_device *device,
-					u64 transaction_id)
-{
-	struct nvsp_message recvcompMessage;
-	int retries = 0;
-	int ret;
-	struct net_device *ndev;
-	struct netvsc_device *net_device = hv_get_drvdata(device);
-
-	ndev = net_device->ndev;
-
-	recvcompMessage.hdr.msg_type =
-				NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE;
-
-	/* FIXME: Pass in the status */
-	recvcompMessage.msg.v1_msg.send_rndis_pkt_complete.status =
-		NVSP_STAT_SUCCESS;
-
-retry_send_cmplt:
-	/* Send the completion */
-	ret = vmbus_sendpacket(device->channel, &recvcompMessage,
-			       sizeof(struct nvsp_message), transaction_id,
-			       VM_PKT_COMP, 0);
-	if (ret == 0) {
-		/* success */
-		/* no-op */
-	} else if (ret == -EAGAIN) {
-		/* no more room...wait a bit and attempt to retry 3 times */
-		retries++;
-		netdev_err(ndev, "unable to send receive completion pkt"
-			" (tid %llx)...retrying %d\n", transaction_id, retries);
-
-		if (retries < 4) {
-			udelay(100);
-			goto retry_send_cmplt;
-		} else {
-			netdev_err(ndev, "unable to send receive "
-				"completion pkt (tid %llx)...give up retrying\n",
-				transaction_id);
-		}
-	} else {
-		netdev_err(ndev, "unable to send receive "
-			"completion pkt - %llx\n", transaction_id);
-	}
-}
-
-/* Send a receive completion packet to RNDIS device (ie NetVsp) */
-static void netvsc_receive_completion(void *context)
-{
-	struct hv_netvsc_packet *packet = context;
-	struct hv_device *device = (struct hv_device *)packet->device;
-	struct netvsc_device *net_device;
-	u64 transaction_id = 0;
-	bool fsend_receive_comp = false;
-	unsigned long flags;
-	struct net_device *ndev;
-
-	/*
-	 * Even though it seems logical to do a GetOutboundNetDevice() here to
-	 * send out receive completion, we are using GetInboundNetDevice()
-	 * since we may have disable outbound traffic already.
-	 */
-	net_device = get_inbound_net_device(device);
-	if (!net_device)
-		return;
-	ndev = net_device->ndev;
-
-	/* Overloading use of the lock. */
-	spin_lock_irqsave(&net_device->recv_pkt_list_lock, flags);
-
-	packet->xfer_page_pkt->count--;
-
-	/*
-	 * Last one in the line that represent 1 xfer page packet.
-	 * Return the xfer page packet itself to the freelist
-	 */
-	if (packet->xfer_page_pkt->count == 0) {
-		fsend_receive_comp = true;
-		transaction_id = packet->completion.recv.recv_completion_tid;
-		list_add_tail(&packet->xfer_page_pkt->list_ent,
-			      &net_device->recv_pkt_list);
-
-	}
-
-	/* Put the packet back */
-	list_add_tail(&packet->list_ent, &net_device->recv_pkt_list);
-	spin_unlock_irqrestore(&net_device->recv_pkt_list_lock, flags);
-
-	/* Send a receive completion for the xfer page packet */
-	if (fsend_receive_comp)
-		netvsc_send_recv_completion(device, transaction_id);
-
-}
-
-static void netvsc_receive(struct hv_device *device,
-			    struct vmpacket_descriptor *packet)
-{
-	struct netvsc_device *net_device;
-	struct vmtransfer_page_packet_header *vmxferpage_packet;
-	struct nvsp_message *nvsp_packet;
-	struct hv_netvsc_packet *netvsc_packet = NULL;
-	unsigned long start;
-	unsigned long end, end_virtual;
-	/* struct netvsc_driver *netvscDriver; */
-	struct xferpage_packet *xferpage_packet = NULL;
-	int i, j;
-	int count = 0, bytes_remain = 0;
-	unsigned long flags;
-	struct net_device *ndev;
-
-	LIST_HEAD(listHead);
-
-	net_device = get_inbound_net_device(device);
-	if (!net_device)
-		return;
-	ndev = net_device->ndev;
-
-	/*
-	 * All inbound packets other than send completion should be xfer page
-	 * packet
-	 */
-	if (packet->type != VM_PKT_DATA_USING_XFER_PAGES) {
-		netdev_err(ndev, "Unknown packet type received - %d\n",
-			   packet->type);
-		return;
-	}
-
-	nvsp_packet = (struct nvsp_message *)((unsigned long)packet +
-			(packet->offset8 << 3));
-
-	/* Make sure this is a valid nvsp packet */
-	if (nvsp_packet->hdr.msg_type !=
-	    NVSP_MSG1_TYPE_SEND_RNDIS_PKT) {
-		netdev_err(ndev, "Unknown nvsp packet type received-"
-			" %d\n", nvsp_packet->hdr.msg_type);
-		return;
-	}
-
-	vmxferpage_packet = (struct vmtransfer_page_packet_header *)packet;
-
-	if (vmxferpage_packet->xfer_pageset_id != NETVSC_RECEIVE_BUFFER_ID) {
-		netdev_err(ndev, "Invalid xfer page set id - "
-			   "expecting %x got %x\n", NETVSC_RECEIVE_BUFFER_ID,
-			   vmxferpage_packet->xfer_pageset_id);
-		return;
-	}
-
-	/*
-	 * Grab free packets (range count + 1) to represent this xfer
-	 * page packet. +1 to represent the xfer page packet itself.
-	 * We grab it here so that we know exactly how many we can
-	 * fulfil
-	 */
-	spin_lock_irqsave(&net_device->recv_pkt_list_lock, flags);
-	while (!list_empty(&net_device->recv_pkt_list)) {
-		list_move_tail(net_device->recv_pkt_list.next, &listHead);
-		if (++count == vmxferpage_packet->range_cnt + 1)
-			break;
-	}
-	spin_unlock_irqrestore(&net_device->recv_pkt_list_lock, flags);
-
-	/*
-	 * We need at least 2 netvsc pkts (1 to represent the xfer
-	 * page and at least 1 for the range) i.e. we can handled
-	 * some of the xfer page packet ranges...
-	 */
-	if (count < 2) {
-		netdev_err(ndev, "Got only %d netvsc pkt...needed "
-			"%d pkts. Dropping this xfer page packet completely!\n",
-			count, vmxferpage_packet->range_cnt + 1);
-
-		/* Return it to the freelist */
-		spin_lock_irqsave(&net_device->recv_pkt_list_lock, flags);
-		for (i = count; i != 0; i--) {
-			list_move_tail(listHead.next,
-				       &net_device->recv_pkt_list);
-		}
-		spin_unlock_irqrestore(&net_device->recv_pkt_list_lock,
-				       flags);
-
-		netvsc_send_recv_completion(device,
-					    vmxferpage_packet->d.trans_id);
-
-		return;
-	}
-
-	/* Remove the 1st packet to represent the xfer page packet itself */
-	xferpage_packet = (struct xferpage_packet *)listHead.next;
-	list_del(&xferpage_packet->list_ent);
-
-	/* This is how much we can satisfy */
-	xferpage_packet->count = count - 1;
-
-	if (xferpage_packet->count != vmxferpage_packet->range_cnt) {
-		netdev_err(ndev, "Needed %d netvsc pkts to satisfy "
-			"this xfer page...got %d\n",
-			vmxferpage_packet->range_cnt, xferpage_packet->count);
-	}
-
-	/* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */
-	for (i = 0; i < (count - 1); i++) {
-		netvsc_packet = (struct hv_netvsc_packet *)listHead.next;
-		list_del(&netvsc_packet->list_ent);
-
-		/* Initialize the netvsc packet */
-		netvsc_packet->xfer_page_pkt = xferpage_packet;
-		netvsc_packet->completion.recv.recv_completion =
-					netvsc_receive_completion;
-		netvsc_packet->completion.recv.recv_completion_ctx =
-					netvsc_packet;
-		netvsc_packet->device = device;
-		/* Save this so that we can send it back */
-		netvsc_packet->completion.recv.recv_completion_tid =
-					vmxferpage_packet->d.trans_id;
-
-		netvsc_packet->total_data_buflen =
-					vmxferpage_packet->ranges[i].byte_count;
-		netvsc_packet->page_buf_cnt = 1;
-
-		netvsc_packet->page_buf[0].len =
-					vmxferpage_packet->ranges[i].byte_count;
-
-		start = virt_to_phys((void *)((unsigned long)net_device->
-		recv_buf + vmxferpage_packet->ranges[i].byte_offset));
-
-		netvsc_packet->page_buf[0].pfn = start >> PAGE_SHIFT;
-		end_virtual = (unsigned long)net_device->recv_buf
-		    + vmxferpage_packet->ranges[i].byte_offset
-		    + vmxferpage_packet->ranges[i].byte_count - 1;
-		end = virt_to_phys((void *)end_virtual);
-
-		/* Calculate the page relative offset */
-		netvsc_packet->page_buf[0].offset =
-			vmxferpage_packet->ranges[i].byte_offset &
-			(PAGE_SIZE - 1);
-		if ((end >> PAGE_SHIFT) != (start >> PAGE_SHIFT)) {
-			/* Handle frame across multiple pages: */
-			netvsc_packet->page_buf[0].len =
-				(netvsc_packet->page_buf[0].pfn <<
-				 PAGE_SHIFT)
-				+ PAGE_SIZE - start;
-			bytes_remain = netvsc_packet->total_data_buflen -
-					netvsc_packet->page_buf[0].len;
-			for (j = 1; j < NETVSC_PACKET_MAXPAGE; j++) {
-				netvsc_packet->page_buf[j].offset = 0;
-				if (bytes_remain <= PAGE_SIZE) {
-					netvsc_packet->page_buf[j].len =
-						bytes_remain;
-					bytes_remain = 0;
-				} else {
-					netvsc_packet->page_buf[j].len =
-						PAGE_SIZE;
-					bytes_remain -= PAGE_SIZE;
-				}
-				netvsc_packet->page_buf[j].pfn =
-				    virt_to_phys((void *)(end_virtual -
-						bytes_remain)) >> PAGE_SHIFT;
-				netvsc_packet->page_buf_cnt++;
-				if (bytes_remain == 0)
-					break;
-			}
-		}
-
-		/* Pass it to the upper layer */
-		rndis_filter_receive(device, netvsc_packet);
-
-		netvsc_receive_completion(netvsc_packet->
-				completion.recv.recv_completion_ctx);
-	}
-
-}
-
-static void netvsc_channel_cb(void *context)
-{
-	int ret;
-	struct hv_device *device = context;
-	struct netvsc_device *net_device;
-	u32 bytes_recvd;
-	u64 request_id;
-	unsigned char *packet;
-	struct vmpacket_descriptor *desc;
-	unsigned char *buffer;
-	int bufferlen = NETVSC_PACKET_SIZE;
-	struct net_device *ndev;
-
-	packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char),
-			 GFP_ATOMIC);
-	if (!packet)
-		return;
-	buffer = packet;
-
-	net_device = get_inbound_net_device(device);
-	if (!net_device)
-		goto out;
-	ndev = net_device->ndev;
-
-	do {
-		ret = vmbus_recvpacket_raw(device->channel, buffer, bufferlen,
-					   &bytes_recvd, &request_id);
-		if (ret == 0) {
-			if (bytes_recvd > 0) {
-				desc = (struct vmpacket_descriptor *)buffer;
-				switch (desc->type) {
-				case VM_PKT_COMP:
-					netvsc_send_completion(device, desc);
-					break;
-
-				case VM_PKT_DATA_USING_XFER_PAGES:
-					netvsc_receive(device, desc);
-					break;
-
-				default:
-					netdev_err(ndev,
-						   "unhandled packet type %d, "
-						   "tid %llx len %d\n",
-						   desc->type, request_id,
-						   bytes_recvd);
-					break;
-				}
-
-				/* reset */
-				if (bufferlen > NETVSC_PACKET_SIZE) {
-					kfree(buffer);
-					buffer = packet;
-					bufferlen = NETVSC_PACKET_SIZE;
-				}
-			} else {
-				/* reset */
-				if (bufferlen > NETVSC_PACKET_SIZE) {
-					kfree(buffer);
-					buffer = packet;
-					bufferlen = NETVSC_PACKET_SIZE;
-				}
-
-				break;
-			}
-		} else if (ret == -ENOBUFS) {
-			/* Handle large packet */
-			buffer = kmalloc(bytes_recvd, GFP_ATOMIC);
-			if (buffer == NULL) {
-				/* Try again next time around */
-				netdev_err(ndev,
-					   "unable to allocate buffer of size "
-					   "(%d)!!\n", bytes_recvd);
-				break;
-			}
-
-			bufferlen = bytes_recvd;
-		}
-	} while (1);
-
-out:
-	kfree(buffer);
-	return;
-}
-
-/*
- * netvsc_device_add - Callback when the device belonging to this
- * driver is added
- */
-int netvsc_device_add(struct hv_device *device, void *additional_info)
-{
-	int ret = 0;
-	int i;
-	int ring_size =
-	((struct netvsc_device_info *)additional_info)->ring_size;
-	struct netvsc_device *net_device;
-	struct hv_netvsc_packet *packet, *pos;
-	struct net_device *ndev;
-
-	net_device = alloc_net_device(device);
-	if (!net_device) {
-		ret = -ENOMEM;
-		goto cleanup;
-	}
-
-	/*
-	 * Coming into this function, struct net_device * is
-	 * registered as the driver private data.
-	 * In alloc_net_device(), we register struct netvsc_device *
-	 * as the driver private data and stash away struct net_device *
-	 * in struct netvsc_device *.
-	 */
-	ndev = net_device->ndev;
-
-	/* Initialize the NetVSC channel extension */
-	net_device->recv_buf_size = NETVSC_RECEIVE_BUFFER_SIZE;
-	spin_lock_init(&net_device->recv_pkt_list_lock);
-
-	INIT_LIST_HEAD(&net_device->recv_pkt_list);
-
-	for (i = 0; i < NETVSC_RECEIVE_PACKETLIST_COUNT; i++) {
-		packet = kzalloc(sizeof(struct hv_netvsc_packet) +
-				 (NETVSC_RECEIVE_SG_COUNT *
-				  sizeof(struct hv_page_buffer)), GFP_KERNEL);
-		if (!packet)
-			break;
-
-		list_add_tail(&packet->list_ent,
-			      &net_device->recv_pkt_list);
-	}
-	init_completion(&net_device->channel_init_wait);
-
-	/* Open the channel */
-	ret = vmbus_open(device->channel, ring_size * PAGE_SIZE,
-			 ring_size * PAGE_SIZE, NULL, 0,
-			 netvsc_channel_cb, device);
-
-	if (ret != 0) {
-		netdev_err(ndev, "unable to open channel: %d\n", ret);
-		goto cleanup;
-	}
-
-	/* Channel is opened */
-	pr_info("hv_netvsc channel opened successfully\n");
-
-	/* Connect with the NetVsp */
-	ret = netvsc_connect_vsp(device);
-	if (ret != 0) {
-		netdev_err(ndev,
-			"unable to connect to NetVSP - %d\n", ret);
-		goto close;
-	}
-
-	return ret;
-
-close:
-	/* Now, we can close the channel safely */
-	vmbus_close(device->channel);
-
-cleanup:
-
-	if (net_device) {
-		list_for_each_entry_safe(packet, pos,
-					 &net_device->recv_pkt_list,
-					 list_ent) {
-			list_del(&packet->list_ent);
-			kfree(packet);
-		}
-
-		kfree(net_device);
-	}
-
-	return ret;
-}
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
deleted file mode 100644
index 93b0e91cbf98..000000000000
--- a/drivers/staging/hv/netvsc_drv.c
+++ /dev/null
@@ -1,456 +0,0 @@
-/*
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/init.h>
-#include <linux/atomic.h>
-#include <linux/module.h>
-#include <linux/highmem.h>
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-#include <net/arp.h>
-#include <net/route.h>
-#include <net/sock.h>
-#include <net/pkt_sched.h>
-
-#include "hyperv_net.h"
-
-struct net_device_context {
-	/* point back to our device context */
-	struct hv_device *device_ctx;
-	atomic_t avail;
-	struct delayed_work dwork;
-};
-
-
-#define PACKET_PAGES_LOWATER  8
-/* Need this many pages to handle worst case fragmented packet */
-#define PACKET_PAGES_HIWATER  (MAX_SKB_FRAGS + 2)
-
-static int ring_size = 128;
-module_param(ring_size, int, S_IRUGO);
-MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
-
-/* no-op so the netdev core doesn't return -EINVAL when modifying the the
- * multicast address list in SIOCADDMULTI. hv is setup to get all multicast
- * when it calls RndisFilterOnOpen() */
-static void netvsc_set_multicast_list(struct net_device *net)
-{
-}
-
-static int netvsc_open(struct net_device *net)
-{
-	struct net_device_context *net_device_ctx = netdev_priv(net);
-	struct hv_device *device_obj = net_device_ctx->device_ctx;
-	int ret = 0;
-
-	/* Open up the device */
-	ret = rndis_filter_open(device_obj);
-	if (ret != 0) {
-		netdev_err(net, "unable to open device (ret %d).\n", ret);
-		return ret;
-	}
-
-	netif_start_queue(net);
-
-	return ret;
-}
-
-static int netvsc_close(struct net_device *net)
-{
-	struct net_device_context *net_device_ctx = netdev_priv(net);
-	struct hv_device *device_obj = net_device_ctx->device_ctx;
-	int ret;
-
-	netif_stop_queue(net);
-
-	ret = rndis_filter_close(device_obj);
-	if (ret != 0)
-		netdev_err(net, "unable to close device (ret %d).\n", ret);
-
-	return ret;
-}
-
-static void netvsc_xmit_completion(void *context)
-{
-	struct hv_netvsc_packet *packet = (struct hv_netvsc_packet *)context;
-	struct sk_buff *skb = (struct sk_buff *)
-		(unsigned long)packet->completion.send.send_completion_tid;
-
-	kfree(packet);
-
-	if (skb) {
-		struct net_device *net = skb->dev;
-		struct net_device_context *net_device_ctx = netdev_priv(net);
-		unsigned int num_pages = skb_shinfo(skb)->nr_frags + 2;
-
-		dev_kfree_skb_any(skb);
-
-		atomic_add(num_pages, &net_device_ctx->avail);
-		if (atomic_read(&net_device_ctx->avail) >=
-				PACKET_PAGES_HIWATER)
-			netif_wake_queue(net);
-	}
-}
-
-static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
-{
-	struct net_device_context *net_device_ctx = netdev_priv(net);
-	struct hv_netvsc_packet *packet;
-	int ret;
-	unsigned int i, num_pages;
-
-	/* Add 1 for skb->data and additional one for RNDIS */
-	num_pages = skb_shinfo(skb)->nr_frags + 1 + 1;
-	if (num_pages > atomic_read(&net_device_ctx->avail))
-		return NETDEV_TX_BUSY;
-
-	/* Allocate a netvsc packet based on # of frags. */
-	packet = kzalloc(sizeof(struct hv_netvsc_packet) +
-			 (num_pages * sizeof(struct hv_page_buffer)) +
-			 sizeof(struct rndis_filter_packet), GFP_ATOMIC);
-	if (!packet) {
-		/* out of memory, drop packet */
-		netdev_err(net, "unable to allocate hv_netvsc_packet\n");
-
-		dev_kfree_skb(skb);
-		net->stats.tx_dropped++;
-		return NETDEV_TX_BUSY;
-	}
-
-	packet->extension = (void *)(unsigned long)packet +
-				sizeof(struct hv_netvsc_packet) +
-				    (num_pages * sizeof(struct hv_page_buffer));
-
-	/* Setup the rndis header */
-	packet->page_buf_cnt = num_pages;
-
-	/* Initialize it from the skb */
-	packet->total_data_buflen	= skb->len;
-
-	/* Start filling in the page buffers starting after RNDIS buffer. */
-	packet->page_buf[1].pfn = virt_to_phys(skb->data) >> PAGE_SHIFT;
-	packet->page_buf[1].offset
-		= (unsigned long)skb->data & (PAGE_SIZE - 1);
-	packet->page_buf[1].len = skb_headlen(skb);
-
-	/* Additional fragments are after SKB data */
-	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
-		const skb_frag_t *f = &skb_shinfo(skb)->frags[i];
-
-		packet->page_buf[i+2].pfn = page_to_pfn(skb_frag_page(f));
-		packet->page_buf[i+2].offset = f->page_offset;
-		packet->page_buf[i+2].len = skb_frag_size(f);
-	}
-
-	/* Set the completion routine */
-	packet->completion.send.send_completion = netvsc_xmit_completion;
-	packet->completion.send.send_completion_ctx = packet;
-	packet->completion.send.send_completion_tid = (unsigned long)skb;
-
-	ret = rndis_filter_send(net_device_ctx->device_ctx,
-				  packet);
-	if (ret == 0) {
-		net->stats.tx_bytes += skb->len;
-		net->stats.tx_packets++;
-
-		atomic_sub(num_pages, &net_device_ctx->avail);
-		if (atomic_read(&net_device_ctx->avail) < PACKET_PAGES_LOWATER)
-			netif_stop_queue(net);
-	} else {
-		/* we are shutting down or bus overloaded, just drop packet */
-		net->stats.tx_dropped++;
-		kfree(packet);
-		dev_kfree_skb_any(skb);
-	}
-
-	return ret ? NETDEV_TX_BUSY : NETDEV_TX_OK;
-}
-
-/*
- * netvsc_linkstatus_callback - Link up/down notification
- */
-void netvsc_linkstatus_callback(struct hv_device *device_obj,
-				       unsigned int status)
-{
-	struct net_device *net;
-	struct net_device_context *ndev_ctx;
-	struct netvsc_device *net_device;
-
-	net_device = hv_get_drvdata(device_obj);
-	net = net_device->ndev;
-
-	if (!net) {
-		netdev_err(net, "got link status but net device "
-				"not initialized yet\n");
-		return;
-	}
-
-	if (status == 1) {
-		netif_carrier_on(net);
-		netif_wake_queue(net);
-		ndev_ctx = netdev_priv(net);
-		schedule_delayed_work(&ndev_ctx->dwork, 0);
-		schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));
-	} else {
-		netif_carrier_off(net);
-		netif_stop_queue(net);
-	}
-}
-
-/*
- * netvsc_recv_callback -  Callback when we receive a packet from the
- * "wire" on the specified device.
- */
-int netvsc_recv_callback(struct hv_device *device_obj,
-				struct hv_netvsc_packet *packet)
-{
-	struct net_device *net = dev_get_drvdata(&device_obj->device);
-	struct sk_buff *skb;
-	void *data;
-	int i;
-	unsigned long flags;
-	struct netvsc_device *net_device;
-
-	net_device = hv_get_drvdata(device_obj);
-	net = net_device->ndev;
-
-	if (!net) {
-		netdev_err(net, "got receive callback but net device"
-			" not initialized yet\n");
-		return 0;
-	}
-
-	/* Allocate a skb - TODO direct I/O to pages? */
-	skb = netdev_alloc_skb_ip_align(net, packet->total_data_buflen);
-	if (unlikely(!skb)) {
-		++net->stats.rx_dropped;
-		return 0;
-	}
-
-	/* for kmap_atomic */
-	local_irq_save(flags);
-
-	/*
-	 * Copy to skb. This copy is needed here since the memory pointed by
-	 * hv_netvsc_packet cannot be deallocated
-	 */
-	for (i = 0; i < packet->page_buf_cnt; i++) {
-		data = kmap_atomic(pfn_to_page(packet->page_buf[i].pfn),
-					       KM_IRQ1);
-		data = (void *)(unsigned long)data +
-				packet->page_buf[i].offset;
-
-		memcpy(skb_put(skb, packet->page_buf[i].len), data,
-		       packet->page_buf[i].len);
-
-		kunmap_atomic((void *)((unsigned long)data -
-				       packet->page_buf[i].offset), KM_IRQ1);
-	}
-
-	local_irq_restore(flags);
-
-	skb->protocol = eth_type_trans(skb, net);
-	skb->ip_summed = CHECKSUM_NONE;
-
-	net->stats.rx_packets++;
-	net->stats.rx_bytes += skb->len;
-
-	/*
-	 * Pass the skb back up. Network stack will deallocate the skb when it
-	 * is done.
-	 * TODO - use NAPI?
-	 */
-	netif_rx(skb);
-
-	return 0;
-}
-
-static void netvsc_get_drvinfo(struct net_device *net,
-			       struct ethtool_drvinfo *info)
-{
-	strcpy(info->driver, "hv_netvsc");
-	strcpy(info->version, HV_DRV_VERSION);
-	strcpy(info->fw_version, "N/A");
-}
-
-static const struct ethtool_ops ethtool_ops = {
-	.get_drvinfo	= netvsc_get_drvinfo,
-	.get_link	= ethtool_op_get_link,
-};
-
-static const struct net_device_ops device_ops = {
-	.ndo_open =			netvsc_open,
-	.ndo_stop =			netvsc_close,
-	.ndo_start_xmit =		netvsc_start_xmit,
-	.ndo_set_rx_mode =		netvsc_set_multicast_list,
-	.ndo_change_mtu =		eth_change_mtu,
-	.ndo_validate_addr =		eth_validate_addr,
-	.ndo_set_mac_address =		eth_mac_addr,
-};
-
-/*
- * Send GARP packet to network peers after migrations.
- * After Quick Migration, the network is not immediately operational in the
- * current context when receiving RNDIS_STATUS_MEDIA_CONNECT event. So, add
- * another netif_notify_peers() into a delayed work, otherwise GARP packet
- * will not be sent after quick migration, and cause network disconnection.
- */
-static void netvsc_send_garp(struct work_struct *w)
-{
-	struct net_device_context *ndev_ctx;
-	struct net_device *net;
-	struct netvsc_device *net_device;
-
-	ndev_ctx = container_of(w, struct net_device_context, dwork.work);
-	net_device = hv_get_drvdata(ndev_ctx->device_ctx);
-	net = net_device->ndev;
-	netif_notify_peers(net);
-}
-
-
-static int netvsc_probe(struct hv_device *dev,
-			const struct hv_vmbus_device_id *dev_id)
-{
-	struct net_device *net = NULL;
-	struct net_device_context *net_device_ctx;
-	struct netvsc_device_info device_info;
-	int ret;
-
-	net = alloc_etherdev(sizeof(struct net_device_context));
-	if (!net)
-		return -ENOMEM;
-
-	/* Set initial state */
-	netif_carrier_off(net);
-
-	net_device_ctx = netdev_priv(net);
-	net_device_ctx->device_ctx = dev;
-	atomic_set(&net_device_ctx->avail, ring_size);
-	hv_set_drvdata(dev, net);
-	INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_send_garp);
-
-	net->netdev_ops = &device_ops;
-
-	/* TODO: Add GSO and Checksum offload */
-	net->hw_features = NETIF_F_SG;
-	net->features = NETIF_F_SG;
-
-	SET_ETHTOOL_OPS(net, &ethtool_ops);
-	SET_NETDEV_DEV(net, &dev->device);
-
-	ret = register_netdev(net);
-	if (ret != 0) {
-		pr_err("Unable to register netdev.\n");
-		free_netdev(net);
-		goto out;
-	}
-
-	/* Notify the netvsc driver of the new device */
-	device_info.ring_size = ring_size;
-	ret = rndis_filter_device_add(dev, &device_info);
-	if (ret != 0) {
-		netdev_err(net, "unable to add netvsc device (ret %d)\n", ret);
-		unregister_netdev(net);
-		free_netdev(net);
-		hv_set_drvdata(dev, NULL);
-		return ret;
-	}
-	memcpy(net->dev_addr, device_info.mac_adr, ETH_ALEN);
-
-	netif_carrier_on(net);
-
-out:
-	return ret;
-}
-
-static int netvsc_remove(struct hv_device *dev)
-{
-	struct net_device *net;
-	struct net_device_context *ndev_ctx;
-	struct netvsc_device *net_device;
-
-	net_device = hv_get_drvdata(dev);
-	net = net_device->ndev;
-
-	if (net == NULL) {
-		dev_err(&dev->device, "No net device to remove\n");
-		return 0;
-	}
-
-	ndev_ctx = netdev_priv(net);
-	cancel_delayed_work_sync(&ndev_ctx->dwork);
-
-	/* Stop outbound asap */
-	netif_stop_queue(net);
-
-	unregister_netdev(net);
-
-	/*
-	 * Call to the vsc driver to let it know that the device is being
-	 * removed
-	 */
-	rndis_filter_device_remove(dev);
-
-	free_netdev(net);
-	return 0;
-}
-
-static const struct hv_vmbus_device_id id_table[] = {
-	/* Network guid */
-	{ VMBUS_DEVICE(0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46,
-		       0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E) },
-	{ },
-};
-
-MODULE_DEVICE_TABLE(vmbus, id_table);
-
-/* The one and only one */
-static struct  hv_driver netvsc_drv = {
-	.name = "netvsc",
-	.id_table = id_table,
-	.probe = netvsc_probe,
-	.remove = netvsc_remove,
-};
-
-static void __exit netvsc_drv_exit(void)
-{
-	vmbus_driver_unregister(&netvsc_drv);
-}
-
-static int __init netvsc_drv_init(void)
-{
-	return vmbus_driver_register(&netvsc_drv);
-}
-
-MODULE_LICENSE("GPL");
-MODULE_VERSION(HV_DRV_VERSION);
-MODULE_DESCRIPTION("Microsoft Hyper-V network driver");
-
-module_init(netvsc_drv_init);
-module_exit(netvsc_drv_exit);
diff --git a/drivers/staging/hv/rndis_filter.c b/drivers/staging/hv/rndis_filter.c
deleted file mode 100644
index bafccb360041..000000000000
--- a/drivers/staging/hv/rndis_filter.c
+++ /dev/null
@@ -1,855 +0,0 @@
-/*
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/highmem.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-#include <linux/if_ether.h>
-#include <linux/netdevice.h>
-
-#include "hyperv_net.h"
-
-
-enum rndis_device_state {
-	RNDIS_DEV_UNINITIALIZED = 0,
-	RNDIS_DEV_INITIALIZING,
-	RNDIS_DEV_INITIALIZED,
-	RNDIS_DEV_DATAINITIALIZED,
-};
-
-struct rndis_device {
-	struct netvsc_device *net_dev;
-
-	enum rndis_device_state state;
-	bool link_state;
-	atomic_t new_req_id;
-
-	spinlock_t request_lock;
-	struct list_head req_list;
-
-	unsigned char hw_mac_adr[ETH_ALEN];
-};
-
-struct rndis_request {
-	struct list_head list_ent;
-	struct completion  wait_event;
-
-	/*
-	 * FIXME: We assumed a fixed size response here. If we do ever need to
-	 * handle a bigger response, we can either define a max response
-	 * message or add a response buffer variable above this field
-	 */
-	struct rndis_message response_msg;
-
-	/* Simplify allocation by having a netvsc packet inline */
-	struct hv_netvsc_packet	pkt;
-	struct hv_page_buffer buf;
-	/* FIXME: We assumed a fixed size request here. */
-	struct rndis_message request_msg;
-};
-
-static void rndis_filter_send_completion(void *ctx);
-
-static void rndis_filter_send_request_completion(void *ctx);
-
-
-
-static struct rndis_device *get_rndis_device(void)
-{
-	struct rndis_device *device;
-
-	device = kzalloc(sizeof(struct rndis_device), GFP_KERNEL);
-	if (!device)
-		return NULL;
-
-	spin_lock_init(&device->request_lock);
-
-	INIT_LIST_HEAD(&device->req_list);
-
-	device->state = RNDIS_DEV_UNINITIALIZED;
-
-	return device;
-}
-
-static struct rndis_request *get_rndis_request(struct rndis_device *dev,
-					     u32 msg_type,
-					     u32 msg_len)
-{
-	struct rndis_request *request;
-	struct rndis_message *rndis_msg;
-	struct rndis_set_request *set;
-	unsigned long flags;
-
-	request = kzalloc(sizeof(struct rndis_request), GFP_KERNEL);
-	if (!request)
-		return NULL;
-
-	init_completion(&request->wait_event);
-
-	rndis_msg = &request->request_msg;
-	rndis_msg->ndis_msg_type = msg_type;
-	rndis_msg->msg_len = msg_len;
-
-	/*
-	 * Set the request id. This field is always after the rndis header for
-	 * request/response packet types so we just used the SetRequest as a
-	 * template
-	 */
-	set = &rndis_msg->msg.set_req;
-	set->req_id = atomic_inc_return(&dev->new_req_id);
-
-	/* Add to the request list */
-	spin_lock_irqsave(&dev->request_lock, flags);
-	list_add_tail(&request->list_ent, &dev->req_list);
-	spin_unlock_irqrestore(&dev->request_lock, flags);
-
-	return request;
-}
-
-static void put_rndis_request(struct rndis_device *dev,
-			    struct rndis_request *req)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev->request_lock, flags);
-	list_del(&req->list_ent);
-	spin_unlock_irqrestore(&dev->request_lock, flags);
-
-	kfree(req);
-}
-
-static void dump_rndis_message(struct hv_device *hv_dev,
-			struct rndis_message *rndis_msg)
-{
-	struct net_device *netdev;
-	struct netvsc_device *net_device;
-
-	net_device = hv_get_drvdata(hv_dev);
-	netdev = net_device->ndev;
-
-	switch (rndis_msg->ndis_msg_type) {
-	case REMOTE_NDIS_PACKET_MSG:
-		netdev_dbg(netdev, "REMOTE_NDIS_PACKET_MSG (len %u, "
-			   "data offset %u data len %u, # oob %u, "
-			   "oob offset %u, oob len %u, pkt offset %u, "
-			   "pkt len %u\n",
-			   rndis_msg->msg_len,
-			   rndis_msg->msg.pkt.data_offset,
-			   rndis_msg->msg.pkt.data_len,
-			   rndis_msg->msg.pkt.num_oob_data_elements,
-			   rndis_msg->msg.pkt.oob_data_offset,
-			   rndis_msg->msg.pkt.oob_data_len,
-			   rndis_msg->msg.pkt.per_pkt_info_offset,
-			   rndis_msg->msg.pkt.per_pkt_info_len);
-		break;
-
-	case REMOTE_NDIS_INITIALIZE_CMPLT:
-		netdev_dbg(netdev, "REMOTE_NDIS_INITIALIZE_CMPLT "
-			"(len %u, id 0x%x, status 0x%x, major %d, minor %d, "
-			"device flags %d, max xfer size 0x%x, max pkts %u, "
-			"pkt aligned %u)\n",
-			rndis_msg->msg_len,
-			rndis_msg->msg.init_complete.req_id,
-			rndis_msg->msg.init_complete.status,
-			rndis_msg->msg.init_complete.major_ver,
-			rndis_msg->msg.init_complete.minor_ver,
-			rndis_msg->msg.init_complete.dev_flags,
-			rndis_msg->msg.init_complete.max_xfer_size,
-			rndis_msg->msg.init_complete.
-			   max_pkt_per_msg,
-			rndis_msg->msg.init_complete.
-			   pkt_alignment_factor);
-		break;
-
-	case REMOTE_NDIS_QUERY_CMPLT:
-		netdev_dbg(netdev, "REMOTE_NDIS_QUERY_CMPLT "
-			"(len %u, id 0x%x, status 0x%x, buf len %u, "
-			"buf offset %u)\n",
-			rndis_msg->msg_len,
-			rndis_msg->msg.query_complete.req_id,
-			rndis_msg->msg.query_complete.status,
-			rndis_msg->msg.query_complete.
-			   info_buflen,
-			rndis_msg->msg.query_complete.
-			   info_buf_offset);
-		break;
-
-	case REMOTE_NDIS_SET_CMPLT:
-		netdev_dbg(netdev,
-			"REMOTE_NDIS_SET_CMPLT (len %u, id 0x%x, status 0x%x)\n",
-			rndis_msg->msg_len,
-			rndis_msg->msg.set_complete.req_id,
-			rndis_msg->msg.set_complete.status);
-		break;
-
-	case REMOTE_NDIS_INDICATE_STATUS_MSG:
-		netdev_dbg(netdev, "REMOTE_NDIS_INDICATE_STATUS_MSG "
-			"(len %u, status 0x%x, buf len %u, buf offset %u)\n",
-			rndis_msg->msg_len,
-			rndis_msg->msg.indicate_status.status,
-			rndis_msg->msg.indicate_status.status_buflen,
-			rndis_msg->msg.indicate_status.status_buf_offset);
-		break;
-
-	default:
-		netdev_dbg(netdev, "0x%x (len %u)\n",
-			rndis_msg->ndis_msg_type,
-			rndis_msg->msg_len);
-		break;
-	}
-}
-
-static int rndis_filter_send_request(struct rndis_device *dev,
-				  struct rndis_request *req)
-{
-	int ret;
-	struct hv_netvsc_packet *packet;
-
-	/* Setup the packet to send it */
-	packet = &req->pkt;
-
-	packet->is_data_pkt = false;
-	packet->total_data_buflen = req->request_msg.msg_len;
-	packet->page_buf_cnt = 1;
-
-	packet->page_buf[0].pfn = virt_to_phys(&req->request_msg) >>
-					PAGE_SHIFT;
-	packet->page_buf[0].len = req->request_msg.msg_len;
-	packet->page_buf[0].offset =
-		(unsigned long)&req->request_msg & (PAGE_SIZE - 1);
-
-	packet->completion.send.send_completion_ctx = req;/* packet; */
-	packet->completion.send.send_completion =
-		rndis_filter_send_request_completion;
-	packet->completion.send.send_completion_tid = (unsigned long)dev;
-
-	ret = netvsc_send(dev->net_dev->dev, packet);
-	return ret;
-}
-
-static void rndis_filter_receive_response(struct rndis_device *dev,
-				       struct rndis_message *resp)
-{
-	struct rndis_request *request = NULL;
-	bool found = false;
-	unsigned long flags;
-	struct net_device *ndev;
-
-	ndev = dev->net_dev->ndev;
-
-	spin_lock_irqsave(&dev->request_lock, flags);
-	list_for_each_entry(request, &dev->req_list, list_ent) {
-		/*
-		 * All request/response message contains RequestId as the 1st
-		 * field
-		 */
-		if (request->request_msg.msg.init_req.req_id
-		    == resp->msg.init_complete.req_id) {
-			found = true;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&dev->request_lock, flags);
-
-	if (found) {
-		if (resp->msg_len <= sizeof(struct rndis_message)) {
-			memcpy(&request->response_msg, resp,
-			       resp->msg_len);
-		} else {
-			netdev_err(ndev,
-				"rndis response buffer overflow "
-				"detected (size %u max %zu)\n",
-				resp->msg_len,
-				sizeof(struct rndis_filter_packet));
-
-			if (resp->ndis_msg_type ==
-			    REMOTE_NDIS_RESET_CMPLT) {
-				/* does not have a request id field */
-				request->response_msg.msg.reset_complete.
-					status = STATUS_BUFFER_OVERFLOW;
-			} else {
-				request->response_msg.msg.
-				init_complete.status =
-					STATUS_BUFFER_OVERFLOW;
-			}
-		}
-
-		complete(&request->wait_event);
-	} else {
-		netdev_err(ndev,
-			"no rndis request found for this response "
-			"(id 0x%x res type 0x%x)\n",
-			resp->msg.init_complete.req_id,
-			resp->ndis_msg_type);
-	}
-}
-
-static void rndis_filter_receive_indicate_status(struct rndis_device *dev,
-					     struct rndis_message *resp)
-{
-	struct rndis_indicate_status *indicate =
-			&resp->msg.indicate_status;
-
-	if (indicate->status == RNDIS_STATUS_MEDIA_CONNECT) {
-		netvsc_linkstatus_callback(
-			dev->net_dev->dev, 1);
-	} else if (indicate->status == RNDIS_STATUS_MEDIA_DISCONNECT) {
-		netvsc_linkstatus_callback(
-			dev->net_dev->dev, 0);
-	} else {
-		/*
-		 * TODO:
-		 */
-	}
-}
-
-static void rndis_filter_receive_data(struct rndis_device *dev,
-				   struct rndis_message *msg,
-				   struct hv_netvsc_packet *pkt)
-{
-	struct rndis_packet *rndis_pkt;
-	u32 data_offset;
-	int i;
-
-	rndis_pkt = &msg->msg.pkt;
-
-	/*
-	 * FIXME: Handle multiple rndis pkt msgs that maybe enclosed in this
-	 * netvsc packet (ie TotalDataBufferLength != MessageLength)
-	 */
-
-	/* Remove the rndis header and pass it back up the stack */
-	data_offset = RNDIS_HEADER_SIZE + rndis_pkt->data_offset;
-
-	pkt->total_data_buflen -= data_offset;
-	pkt->page_buf[0].offset += data_offset;
-	pkt->page_buf[0].len -= data_offset;
-
-	/* Drop the 0th page, if rndis data go beyond page boundary */
-	if (pkt->page_buf[0].offset >= PAGE_SIZE) {
-		pkt->page_buf[1].offset = pkt->page_buf[0].offset - PAGE_SIZE;
-		pkt->page_buf[1].len -= pkt->page_buf[1].offset;
-		pkt->page_buf_cnt--;
-		for (i = 0; i < pkt->page_buf_cnt; i++)
-			pkt->page_buf[i] = pkt->page_buf[i+1];
-	}
-
-	pkt->is_data_pkt = true;
-
-	netvsc_recv_callback(dev->net_dev->dev, pkt);
-}
-
-int rndis_filter_receive(struct hv_device *dev,
-				struct hv_netvsc_packet	*pkt)
-{
-	struct netvsc_device *net_dev = hv_get_drvdata(dev);
-	struct rndis_device *rndis_dev;
-	struct rndis_message rndis_msg;
-	struct rndis_message *rndis_hdr;
-	struct net_device *ndev;
-
-	if (!net_dev)
-		return -EINVAL;
-
-	ndev = net_dev->ndev;
-
-	/* Make sure the rndis device state is initialized */
-	if (!net_dev->extension) {
-		netdev_err(ndev, "got rndis message but no rndis device - "
-			  "dropping this message!\n");
-		return -ENODEV;
-	}
-
-	rndis_dev = (struct rndis_device *)net_dev->extension;
-	if (rndis_dev->state == RNDIS_DEV_UNINITIALIZED) {
-		netdev_err(ndev, "got rndis message but rndis device "
-			   "uninitialized...dropping this message!\n");
-		return -ENODEV;
-	}
-
-	rndis_hdr = (struct rndis_message *)kmap_atomic(
-			pfn_to_page(pkt->page_buf[0].pfn), KM_IRQ0);
-
-	rndis_hdr = (void *)((unsigned long)rndis_hdr +
-			pkt->page_buf[0].offset);
-
-	/* Make sure we got a valid rndis message */
-	if ((rndis_hdr->ndis_msg_type != REMOTE_NDIS_PACKET_MSG) &&
-	    (rndis_hdr->msg_len > sizeof(struct rndis_message))) {
-		netdev_err(ndev, "incoming rndis message buffer overflow "
-			   "detected (got %u, max %zu)..marking it an error!\n",
-			   rndis_hdr->msg_len,
-			   sizeof(struct rndis_message));
-	}
-
-	memcpy(&rndis_msg, rndis_hdr,
-		(rndis_hdr->msg_len > sizeof(struct rndis_message)) ?
-			sizeof(struct rndis_message) :
-			rndis_hdr->msg_len);
-
-	kunmap_atomic(rndis_hdr - pkt->page_buf[0].offset, KM_IRQ0);
-
-	dump_rndis_message(dev, &rndis_msg);
-
-	switch (rndis_msg.ndis_msg_type) {
-	case REMOTE_NDIS_PACKET_MSG:
-		/* data msg */
-		rndis_filter_receive_data(rndis_dev, &rndis_msg, pkt);
-		break;
-
-	case REMOTE_NDIS_INITIALIZE_CMPLT:
-	case REMOTE_NDIS_QUERY_CMPLT:
-	case REMOTE_NDIS_SET_CMPLT:
-		/* completion msgs */
-		rndis_filter_receive_response(rndis_dev, &rndis_msg);
-		break;
-
-	case REMOTE_NDIS_INDICATE_STATUS_MSG:
-		/* notification msgs */
-		rndis_filter_receive_indicate_status(rndis_dev, &rndis_msg);
-		break;
-	default:
-		netdev_err(ndev,
-			"unhandled rndis message (type %u len %u)\n",
-			   rndis_msg.ndis_msg_type,
-			   rndis_msg.msg_len);
-		break;
-	}
-
-	return 0;
-}
-
-static int rndis_filter_query_device(struct rndis_device *dev, u32 oid,
-				  void *result, u32 *result_size)
-{
-	struct rndis_request *request;
-	u32 inresult_size = *result_size;
-	struct rndis_query_request *query;
-	struct rndis_query_complete *query_complete;
-	int ret = 0;
-	int t;
-
-	if (!result)
-		return -EINVAL;
-
-	*result_size = 0;
-	request = get_rndis_request(dev, REMOTE_NDIS_QUERY_MSG,
-			RNDIS_MESSAGE_SIZE(struct rndis_query_request));
-	if (!request) {
-		ret = -ENOMEM;
-		goto cleanup;
-	}
-
-	/* Setup the rndis query */
-	query = &request->request_msg.msg.query_req;
-	query->oid = oid;
-	query->info_buf_offset = sizeof(struct rndis_query_request);
-	query->info_buflen = 0;
-	query->dev_vc_handle = 0;
-
-	ret = rndis_filter_send_request(dev, request);
-	if (ret != 0)
-		goto cleanup;
-
-	t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
-	if (t == 0) {
-		ret = -ETIMEDOUT;
-		goto cleanup;
-	}
-
-	/* Copy the response back */
-	query_complete = &request->response_msg.msg.query_complete;
-
-	if (query_complete->info_buflen > inresult_size) {
-		ret = -1;
-		goto cleanup;
-	}
-
-	memcpy(result,
-	       (void *)((unsigned long)query_complete +
-			 query_complete->info_buf_offset),
-	       query_complete->info_buflen);
-
-	*result_size = query_complete->info_buflen;
-
-cleanup:
-	if (request)
-		put_rndis_request(dev, request);
-
-	return ret;
-}
-
-static int rndis_filter_query_device_mac(struct rndis_device *dev)
-{
-	u32 size = ETH_ALEN;
-
-	return rndis_filter_query_device(dev,
-				      RNDIS_OID_802_3_PERMANENT_ADDRESS,
-				      dev->hw_mac_adr, &size);
-}
-
-static int rndis_filter_query_device_link_status(struct rndis_device *dev)
-{
-	u32 size = sizeof(u32);
-	u32 link_status;
-	int ret;
-
-	ret = rndis_filter_query_device(dev,
-				      RNDIS_OID_GEN_MEDIA_CONNECT_STATUS,
-				      &link_status, &size);
-	dev->link_state = (link_status != 0) ? true : false;
-
-	return ret;
-}
-
-static int rndis_filter_set_packet_filter(struct rndis_device *dev,
-				      u32 new_filter)
-{
-	struct rndis_request *request;
-	struct rndis_set_request *set;
-	struct rndis_set_complete *set_complete;
-	u32 status;
-	int ret, t;
-	struct net_device *ndev;
-
-	ndev = dev->net_dev->ndev;
-
-	request = get_rndis_request(dev, REMOTE_NDIS_SET_MSG,
-			RNDIS_MESSAGE_SIZE(struct rndis_set_request) +
-			sizeof(u32));
-	if (!request) {
-		ret = -ENOMEM;
-		goto cleanup;
-	}
-
-	/* Setup the rndis set */
-	set = &request->request_msg.msg.set_req;
-	set->oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER;
-	set->info_buflen = sizeof(u32);
-	set->info_buf_offset = sizeof(struct rndis_set_request);
-
-	memcpy((void *)(unsigned long)set + sizeof(struct rndis_set_request),
-	       &new_filter, sizeof(u32));
-
-	ret = rndis_filter_send_request(dev, request);
-	if (ret != 0)
-		goto cleanup;
-
-	t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
-
-	if (t == 0) {
-		netdev_err(ndev,
-			"timeout before we got a set response...\n");
-		/*
-		 * We can't deallocate the request since we may still receive a
-		 * send completion for it.
-		 */
-		goto exit;
-	} else {
-		set_complete = &request->response_msg.msg.set_complete;
-		status = set_complete->status;
-	}
-
-cleanup:
-	if (request)
-		put_rndis_request(dev, request);
-exit:
-	return ret;
-}
-
-
-static int rndis_filter_init_device(struct rndis_device *dev)
-{
-	struct rndis_request *request;
-	struct rndis_initialize_request *init;
-	struct rndis_initialize_complete *init_complete;
-	u32 status;
-	int ret, t;
-
-	request = get_rndis_request(dev, REMOTE_NDIS_INITIALIZE_MSG,
-			RNDIS_MESSAGE_SIZE(struct rndis_initialize_request));
-	if (!request) {
-		ret = -ENOMEM;
-		goto cleanup;
-	}
-
-	/* Setup the rndis set */
-	init = &request->request_msg.msg.init_req;
-	init->major_ver = RNDIS_MAJOR_VERSION;
-	init->minor_ver = RNDIS_MINOR_VERSION;
-	/* FIXME: Use 1536 - rounded ethernet frame size */
-	init->max_xfer_size = 2048;
-
-	dev->state = RNDIS_DEV_INITIALIZING;
-
-	ret = rndis_filter_send_request(dev, request);
-	if (ret != 0) {
-		dev->state = RNDIS_DEV_UNINITIALIZED;
-		goto cleanup;
-	}
-
-
-	t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
-
-	if (t == 0) {
-		ret = -ETIMEDOUT;
-		goto cleanup;
-	}
-
-	init_complete = &request->response_msg.msg.init_complete;
-	status = init_complete->status;
-	if (status == RNDIS_STATUS_SUCCESS) {
-		dev->state = RNDIS_DEV_INITIALIZED;
-		ret = 0;
-	} else {
-		dev->state = RNDIS_DEV_UNINITIALIZED;
-		ret = -EINVAL;
-	}
-
-cleanup:
-	if (request)
-		put_rndis_request(dev, request);
-
-	return ret;
-}
-
-static void rndis_filter_halt_device(struct rndis_device *dev)
-{
-	struct rndis_request *request;
-	struct rndis_halt_request *halt;
-
-	/* Attempt to do a rndis device halt */
-	request = get_rndis_request(dev, REMOTE_NDIS_HALT_MSG,
-				RNDIS_MESSAGE_SIZE(struct rndis_halt_request));
-	if (!request)
-		goto cleanup;
-
-	/* Setup the rndis set */
-	halt = &request->request_msg.msg.halt_req;
-	halt->req_id = atomic_inc_return(&dev->new_req_id);
-
-	/* Ignore return since this msg is optional. */
-	rndis_filter_send_request(dev, request);
-
-	dev->state = RNDIS_DEV_UNINITIALIZED;
-
-cleanup:
-	if (request)
-		put_rndis_request(dev, request);
-	return;
-}
-
-static int rndis_filter_open_device(struct rndis_device *dev)
-{
-	int ret;
-
-	if (dev->state != RNDIS_DEV_INITIALIZED)
-		return 0;
-
-	ret = rndis_filter_set_packet_filter(dev,
-					 NDIS_PACKET_TYPE_BROADCAST |
-					 NDIS_PACKET_TYPE_ALL_MULTICAST |
-					 NDIS_PACKET_TYPE_DIRECTED);
-	if (ret == 0)
-		dev->state = RNDIS_DEV_DATAINITIALIZED;
-
-	return ret;
-}
-
-static int rndis_filter_close_device(struct rndis_device *dev)
-{
-	int ret;
-
-	if (dev->state != RNDIS_DEV_DATAINITIALIZED)
-		return 0;
-
-	ret = rndis_filter_set_packet_filter(dev, 0);
-	if (ret == 0)
-		dev->state = RNDIS_DEV_INITIALIZED;
-
-	return ret;
-}
-
-int rndis_filter_device_add(struct hv_device *dev,
-				  void *additional_info)
-{
-	int ret;
-	struct netvsc_device *net_device;
-	struct rndis_device *rndis_device;
-	struct netvsc_device_info *device_info = additional_info;
-
-	rndis_device = get_rndis_device();
-	if (!rndis_device)
-		return -ENODEV;
-
-	/*
-	 * Let the inner driver handle this first to create the netvsc channel
-	 * NOTE! Once the channel is created, we may get a receive callback
-	 * (RndisFilterOnReceive()) before this call is completed
-	 */
-	ret = netvsc_device_add(dev, additional_info);
-	if (ret != 0) {
-		kfree(rndis_device);
-		return ret;
-	}
-
-
-	/* Initialize the rndis device */
-	net_device = hv_get_drvdata(dev);
-
-	net_device->extension = rndis_device;
-	rndis_device->net_dev = net_device;
-
-	/* Send the rndis initialization message */
-	ret = rndis_filter_init_device(rndis_device);
-	if (ret != 0) {
-		/*
-		 * TODO: If rndis init failed, we will need to shut down the
-		 * channel
-		 */
-	}
-
-	/* Get the mac address */
-	ret = rndis_filter_query_device_mac(rndis_device);
-	if (ret != 0) {
-		/*
-		 * TODO: shutdown rndis device and the channel
-		 */
-	}
-
-	memcpy(device_info->mac_adr, rndis_device->hw_mac_adr, ETH_ALEN);
-
-	rndis_filter_query_device_link_status(rndis_device);
-
-	device_info->link_state = rndis_device->link_state;
-
-	dev_info(&dev->device, "Device MAC %pM link state %s\n",
-		 rndis_device->hw_mac_adr,
-		 device_info->link_state ? "down" : "up");
-
-	return ret;
-}
-
-void rndis_filter_device_remove(struct hv_device *dev)
-{
-	struct netvsc_device *net_dev = hv_get_drvdata(dev);
-	struct rndis_device *rndis_dev = net_dev->extension;
-
-	/* Halt and release the rndis device */
-	rndis_filter_halt_device(rndis_dev);
-
-	kfree(rndis_dev);
-	net_dev->extension = NULL;
-
-	netvsc_device_remove(dev);
-}
-
-
-int rndis_filter_open(struct hv_device *dev)
-{
-	struct netvsc_device *net_device = hv_get_drvdata(dev);
-
-	if (!net_device)
-		return -EINVAL;
-
-	return rndis_filter_open_device(net_device->extension);
-}
-
-int rndis_filter_close(struct hv_device *dev)
-{
-	struct netvsc_device *netDevice = hv_get_drvdata(dev);
-
-	if (!netDevice)
-		return -EINVAL;
-
-	return rndis_filter_close_device(netDevice->extension);
-}
-
-int rndis_filter_send(struct hv_device *dev,
-			     struct hv_netvsc_packet *pkt)
-{
-	int ret;
-	struct rndis_filter_packet *filterPacket;
-	struct rndis_message *rndisMessage;
-	struct rndis_packet *rndisPacket;
-	u32 rndisMessageSize;
-
-	/* Add the rndis header */
-	filterPacket = (struct rndis_filter_packet *)pkt->extension;
-
-	memset(filterPacket, 0, sizeof(struct rndis_filter_packet));
-
-	rndisMessage = &filterPacket->msg;
-	rndisMessageSize = RNDIS_MESSAGE_SIZE(struct rndis_packet);
-
-	rndisMessage->ndis_msg_type = REMOTE_NDIS_PACKET_MSG;
-	rndisMessage->msg_len = pkt->total_data_buflen +
-				      rndisMessageSize;
-
-	rndisPacket = &rndisMessage->msg.pkt;
-	rndisPacket->data_offset = sizeof(struct rndis_packet);
-	rndisPacket->data_len = pkt->total_data_buflen;
-
-	pkt->is_data_pkt = true;
-	pkt->page_buf[0].pfn = virt_to_phys(rndisMessage) >> PAGE_SHIFT;
-	pkt->page_buf[0].offset =
-			(unsigned long)rndisMessage & (PAGE_SIZE-1);
-	pkt->page_buf[0].len = rndisMessageSize;
-
-	/* Save the packet send completion and context */
-	filterPacket->completion = pkt->completion.send.send_completion;
-	filterPacket->completion_ctx =
-				pkt->completion.send.send_completion_ctx;
-
-	/* Use ours */
-	pkt->completion.send.send_completion = rndis_filter_send_completion;
-	pkt->completion.send.send_completion_ctx = filterPacket;
-
-	ret = netvsc_send(dev, pkt);
-	if (ret != 0) {
-		/*
-		 * Reset the completion to originals to allow retries from
-		 * above
-		 */
-		pkt->completion.send.send_completion =
-				filterPacket->completion;
-		pkt->completion.send.send_completion_ctx =
-				filterPacket->completion_ctx;
-	}
-
-	return ret;
-}
-
-static void rndis_filter_send_completion(void *ctx)
-{
-	struct rndis_filter_packet *filterPacket = ctx;
-
-	/* Pass it back to the original handler */
-	filterPacket->completion(filterPacket->completion_ctx);
-}
-
-
-static void rndis_filter_send_request_completion(void *ctx)
-{
-	/* Noop */
-}