enic: Move the Cisco driver

Move the Cisco driver into drivers/net/ethernet/cisco/ and make the
necessary Kconfig and Makefile changes.

CC: Christian Benvenuti <benve@cisco.com>
CC: Vasanthy Kolluri <vkolluri@cisco.com>
CC: Roopa Prabhu <roprabhu@cisco.com>
CC: David Wang <dwang2@cisco.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

34 files changed, 7497 insertions, 0 deletions

diff --git a/drivers/net/ethernet/cisco/Kconfig b/drivers/net/ethernet/cisco/Kconfig
new file mode 100644
index 00000000000..bbd53488067
--- /dev/null
+++ b/drivers/net/ethernet/cisco/Kconfig
@@ -0,0 +1,22 @@
+#
+# Cisco device configuration
+#
+
+config NET_VENDOR_CISCO
+	bool "Cisco devices"
+	depends on PCI && INET
+	---help---
+	  If you have a network (Ethernet) card belonging to this class, say Y
+	  and read the Ethernet-HOWTO, available from
+	  <http://www.tldp.org/docs.html#howto>.
+
+	  Note that the answer to this question doesn't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about Cisco cards. If you say Y, you will be asked for
+	  your specific card in the following questions.
+
+if NET_VENDOR_CISCO
+
+source "drivers/net/ethernet/cisco/enic/Kconfig"
+
+endif # NET_VENDOR_CISCO
diff --git a/drivers/net/ethernet/cisco/Makefile b/drivers/net/ethernet/cisco/Makefile
new file mode 100644
index 00000000000..6c7437bc4a9
--- /dev/null
+++ b/drivers/net/ethernet/cisco/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Cisco device drivers.
+#
+
+obj-$(CONFIG_ENIC) += enic/
diff --git a/drivers/net/ethernet/cisco/enic/Kconfig b/drivers/net/ethernet/cisco/enic/Kconfig
new file mode 100644
index 00000000000..9cc706a6cff
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/Kconfig
@@ -0,0 +1,9 @@
+#
+# Cisco device configuration
+#
+
+config ENIC
+	tristate "Cisco VIC Ethernet NIC Support"
+	depends on PCI && INET
+	---help---
+	  This enables the support for the Cisco VIC Ethernet card.
diff --git a/drivers/net/ethernet/cisco/enic/Makefile b/drivers/net/ethernet/cisco/enic/Makefile
new file mode 100644
index 00000000000..9d4974bba24
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/Makefile
@@ -0,0 +1,5 @@
+obj-$(CONFIG_ENIC) := enic.o
+
+enic-y := enic_main.o vnic_cq.o vnic_intr.o vnic_wq.o \
+	enic_res.o enic_dev.o enic_pp.o vnic_dev.o vnic_rq.o vnic_vic.o
+
diff --git a/drivers/net/ethernet/cisco/enic/cq_desc.h b/drivers/net/ethernet/cisco/enic/cq_desc.h
new file mode 100644
index 00000000000..d6dd1b4edf6
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/cq_desc.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _CQ_DESC_H_
+#define _CQ_DESC_H_
+
+/*
+ * Completion queue descriptor types
+ */
+enum cq_desc_types {
+	CQ_DESC_TYPE_WQ_ENET = 0,
+	CQ_DESC_TYPE_DESC_COPY = 1,
+	CQ_DESC_TYPE_WQ_EXCH = 2,
+	CQ_DESC_TYPE_RQ_ENET = 3,
+	CQ_DESC_TYPE_RQ_FCP = 4,
+};
+
+/* Completion queue descriptor: 16B
+ *
+ * All completion queues have this basic layout.  The
+ * type_specfic area is unique for each completion
+ * queue type.
+ */
+struct cq_desc {
+	__le16 completed_index;
+	__le16 q_number;
+	u8 type_specfic[11];
+	u8 type_color;
+};
+
+#define CQ_DESC_TYPE_BITS        4
+#define CQ_DESC_TYPE_MASK        ((1 << CQ_DESC_TYPE_BITS) - 1)
+#define CQ_DESC_COLOR_MASK       1
+#define CQ_DESC_COLOR_SHIFT      7
+#define CQ_DESC_Q_NUM_BITS       10
+#define CQ_DESC_Q_NUM_MASK       ((1 << CQ_DESC_Q_NUM_BITS) - 1)
+#define CQ_DESC_COMP_NDX_BITS    12
+#define CQ_DESC_COMP_NDX_MASK    ((1 << CQ_DESC_COMP_NDX_BITS) - 1)
+
+static inline void cq_desc_dec(const struct cq_desc *desc_arg,
+	u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+	const struct cq_desc *desc = desc_arg;
+	const u8 type_color = desc->type_color;
+
+	*color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK;
+
+	/*
+	 * Make sure color bit is read from desc *before* other fields
+	 * are read from desc.  Hardware guarantees color bit is last
+	 * bit (byte) written.  Adding the rmb() prevents the compiler
+	 * and/or CPU from reordering the reads which would potentially
+	 * result in reading stale values.
+	 */
+
+	rmb();
+
+	*type = type_color & CQ_DESC_TYPE_MASK;
+	*q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK;
+	*completed_index = le16_to_cpu(desc->completed_index) &
+		CQ_DESC_COMP_NDX_MASK;
+}
+
+#endif /* _CQ_DESC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/cq_enet_desc.h b/drivers/net/ethernet/cisco/enic/cq_enet_desc.h
new file mode 100644
index 00000000000..c2c0680a114
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/cq_enet_desc.h
@@ -0,0 +1,185 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _CQ_ENET_DESC_H_
+#define _CQ_ENET_DESC_H_
+
+#include "cq_desc.h"
+
+/* Ethernet completion queue descriptor: 16B */
+struct cq_enet_wq_desc {
+	__le16 completed_index;
+	__le16 q_number;
+	u8 reserved[11];
+	u8 type_color;
+};
+
+static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc,
+	u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+	cq_desc_dec((struct cq_desc *)desc, type,
+		color, q_number, completed_index);
+}
+
+/* Completion queue descriptor: Ethernet receive queue, 16B */
+struct cq_enet_rq_desc {
+	__le16 completed_index_flags;
+	__le16 q_number_rss_type_flags;
+	__le32 rss_hash;
+	__le16 bytes_written_flags;
+	__le16 vlan;
+	__le16 checksum_fcoe;
+	u8 flags;
+	u8 type_color;
+};
+
+#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT          (0x1 << 12)
+#define CQ_ENET_RQ_DESC_FLAGS_FCOE                  (0x1 << 13)
+#define CQ_ENET_RQ_DESC_FLAGS_EOP                   (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_SOP                   (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS               4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \
+	((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1)
+#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE               0
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4               1
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4           2
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6               3
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6           4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX            5
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX        6
+
+#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC         (0x1 << 14)
+
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS          14
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \
+	((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED             (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED         (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS          12
+#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_MASK \
+	((1 << CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_VLAN_TCI_CFI_MASK           (0x1 << 12)
+#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS     3
+#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_MASK \
+	((1 << CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS) - 1)
+#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_SHIFT    13
+
+#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS               8
+#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \
+	((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS               8
+#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \
+	((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT              8
+
+#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK       (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK              (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FLAGS_UDP                   (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR              (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TCP                   (0x1 << 2)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK          (0x1 << 3)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV6                  (0x1 << 4)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4                  (0x1 << 5)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT         (0x1 << 6)
+#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK                (0x1 << 7)
+
+static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc,
+	u8 *type, u8 *color, u16 *q_number, u16 *completed_index,
+	u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type,
+	u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error,
+	u8 *vlan_stripped, u16 *vlan_tci, u16 *checksum, u8 *fcoe_sof,
+	u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof,
+	u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok,
+	u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok)
+{
+	u16 completed_index_flags;
+	u16 q_number_rss_type_flags;
+	u16 bytes_written_flags;
+
+	cq_desc_dec((struct cq_desc *)desc, type,
+		color, q_number, completed_index);
+
+	completed_index_flags = le16_to_cpu(desc->completed_index_flags);
+	q_number_rss_type_flags =
+		le16_to_cpu(desc->q_number_rss_type_flags);
+	bytes_written_flags = le16_to_cpu(desc->bytes_written_flags);
+
+	*ingress_port = (completed_index_flags &
+		CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0;
+	*fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ?
+		1 : 0;
+	*eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ?
+		1 : 0;
+	*sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ?
+		1 : 0;
+
+	*rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) &
+		CQ_ENET_RQ_DESC_RSS_TYPE_MASK);
+	*csum_not_calc = (q_number_rss_type_flags &
+		CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0;
+
+	*rss_hash = le32_to_cpu(desc->rss_hash);
+
+	*bytes_written = bytes_written_flags &
+		CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
+	*packet_error = (bytes_written_flags &
+		CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0;
+	*vlan_stripped = (bytes_written_flags &
+		CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0;
+
+	/*
+	 * Tag Control Information(16) = user_priority(3) + cfi(1) + vlan(12)
+	 */
+	*vlan_tci = le16_to_cpu(desc->vlan);
+
+	if (*fcoe) {
+		*fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) &
+			CQ_ENET_RQ_DESC_FCOE_SOF_MASK);
+		*fcoe_fc_crc_ok = (desc->flags &
+			CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0;
+		*fcoe_enc_error = (desc->flags &
+			CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0;
+		*fcoe_eof = (u8)((desc->checksum_fcoe >>
+			CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) &
+			CQ_ENET_RQ_DESC_FCOE_EOF_MASK);
+		*checksum = 0;
+	} else {
+		*fcoe_sof = 0;
+		*fcoe_fc_crc_ok = 0;
+		*fcoe_enc_error = 0;
+		*fcoe_eof = 0;
+		*checksum = le16_to_cpu(desc->checksum_fcoe);
+	}
+
+	*tcp_udp_csum_ok =
+		(desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0;
+	*udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0;
+	*tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0;
+	*ipv4_csum_ok =
+		(desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0;
+	*ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0;
+	*ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0;
+	*ipv4_fragment =
+		(desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0;
+	*fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0;
+}
+
+#endif /* _CQ_ENET_DESC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h
new file mode 100644
index 00000000000..ce76d9a8ca6
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _ENIC_H_
+#define _ENIC_H_
+
+#include "vnic_enet.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "vnic_rss.h"
+
+#define DRV_NAME		"enic"
+#define DRV_DESCRIPTION		"Cisco VIC Ethernet NIC Driver"
+#define DRV_VERSION		"2.1.1.24"
+#define DRV_COPYRIGHT		"Copyright 2008-2011 Cisco Systems, Inc"
+
+#define ENIC_BARS_MAX		6
+
+#define ENIC_WQ_MAX		1
+#define ENIC_RQ_MAX		1
+#define ENIC_CQ_MAX		(ENIC_WQ_MAX + ENIC_RQ_MAX)
+#define ENIC_INTR_MAX		(ENIC_CQ_MAX + 2)
+
+struct enic_msix_entry {
+	int requested;
+	char devname[IFNAMSIZ];
+	irqreturn_t (*isr)(int, void *);
+	void *devid;
+};
+
+#define ENIC_PORT_REQUEST_APPLIED	(1 << 0)
+#define ENIC_SET_REQUEST		(1 << 1)
+#define ENIC_SET_NAME			(1 << 2)
+#define ENIC_SET_INSTANCE		(1 << 3)
+#define ENIC_SET_HOST			(1 << 4)
+
+struct enic_port_profile {
+	u32 set;
+	u8 request;
+	char name[PORT_PROFILE_MAX];
+	u8 instance_uuid[PORT_UUID_MAX];
+	u8 host_uuid[PORT_UUID_MAX];
+	u8 vf_mac[ETH_ALEN];
+	u8 mac_addr[ETH_ALEN];
+};
+
+/* Per-instance private data structure */
+struct enic {
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+	struct vnic_enet_config config;
+	struct vnic_dev_bar bar[ENIC_BARS_MAX];
+	struct vnic_dev *vdev;
+	struct timer_list notify_timer;
+	struct work_struct reset;
+	struct work_struct change_mtu_work;
+	struct msix_entry msix_entry[ENIC_INTR_MAX];
+	struct enic_msix_entry msix[ENIC_INTR_MAX];
+	u32 msg_enable;
+	spinlock_t devcmd_lock;
+	u8 mac_addr[ETH_ALEN];
+	u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
+	u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
+	unsigned int flags;
+	unsigned int mc_count;
+	unsigned int uc_count;
+	u32 port_mtu;
+	u32 rx_coalesce_usecs;
+	u32 tx_coalesce_usecs;
+	struct enic_port_profile pp;
+
+	/* work queue cache line section */
+	____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
+	spinlock_t wq_lock[ENIC_WQ_MAX];
+	unsigned int wq_count;
+	u16 loop_enable;
+	u16 loop_tag;
+
+	/* receive queue cache line section */
+	____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
+	unsigned int rq_count;
+	u64 rq_truncated_pkts;
+	u64 rq_bad_fcs;
+	struct napi_struct napi[ENIC_RQ_MAX];
+
+	/* interrupt resource cache line section */
+	____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
+	unsigned int intr_count;
+	u32 __iomem *legacy_pba;		/* memory-mapped */
+
+	/* completion queue cache line section */
+	____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
+	unsigned int cq_count;
+};
+
+static inline struct device *enic_get_dev(struct enic *enic)
+{
+	return &(enic->pdev->dev);
+}
+
+void enic_reset_addr_lists(struct enic *enic);
+
+#endif /* _ENIC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/enic_dev.c b/drivers/net/ethernet/cisco/enic/enic_dev.c
new file mode 100644
index 00000000000..fd6247b3c0e
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_dev.c
@@ -0,0 +1,286 @@
+/*
+ * Copyright 2011 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/etherdevice.h>
+
+#include "vnic_dev.h"
+#include "vnic_vic.h"
+#include "enic_res.h"
+#include "enic.h"
+#include "enic_dev.h"
+
+int enic_dev_fw_info(struct enic *enic, struct vnic_devcmd_fw_info **fw_info)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_fw_info(enic->vdev, fw_info);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_stats_dump(enic->vdev, vstats);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_add_station_addr(struct enic *enic)
+{
+	int err;
+
+	if (!is_valid_ether_addr(enic->netdev->dev_addr))
+		return -EADDRNOTAVAIL;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_add_addr(enic->vdev, enic->netdev->dev_addr);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_del_station_addr(struct enic *enic)
+{
+	int err;
+
+	if (!is_valid_ether_addr(enic->netdev->dev_addr))
+		return -EADDRNOTAVAIL;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_del_addr(enic->vdev, enic->netdev->dev_addr);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_packet_filter(struct enic *enic, int directed, int multicast,
+	int broadcast, int promisc, int allmulti)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_packet_filter(enic->vdev, directed,
+		multicast, broadcast, promisc, allmulti);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_add_addr(struct enic *enic, u8 *addr)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_add_addr(enic->vdev, addr);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_del_addr(struct enic *enic, u8 *addr)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_del_addr(enic->vdev, addr);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_notify_unset(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_notify_unset(enic->vdev);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_hang_notify(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_hang_notify(enic->vdev);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
+		IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_enable(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_enable_wait(enic->vdev);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_disable(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_disable(enic->vdev);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_intr_coal_timer_info(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_intr_coal_timer_info(enic->vdev);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_vnic_dev_deinit(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_deinit(enic->vdev);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_init_prov2(struct enic *enic, struct vic_provinfo *vp)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_init_prov2(enic->vdev,
+		(u8 *)vp, vic_provinfo_size(vp));
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_deinit_done(struct enic *enic, int *status)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_deinit_done(enic->vdev, status);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+/* rtnl lock is held */
+void enic_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	spin_lock(&enic->devcmd_lock);
+	enic_add_vlan(enic, vid);
+	spin_unlock(&enic->devcmd_lock);
+}
+
+/* rtnl lock is held */
+void enic_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	spin_lock(&enic->devcmd_lock);
+	enic_del_vlan(enic, vid);
+	spin_unlock(&enic->devcmd_lock);
+}
+
+int enic_dev_enable2(struct enic *enic, int active)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_enable2(enic->vdev, active);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_enable2_done(struct enic *enic, int *status)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	err = vnic_dev_enable2_done(enic->vdev, status);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+int enic_dev_status_to_errno(int devcmd_status)
+{
+	switch (devcmd_status) {
+	case ERR_SUCCESS:
+		return 0;
+	case ERR_EINVAL:
+		return -EINVAL;
+	case ERR_EFAULT:
+		return -EFAULT;
+	case ERR_EPERM:
+		return -EPERM;
+	case ERR_EBUSY:
+		return -EBUSY;
+	case ERR_ECMDUNKNOWN:
+	case ERR_ENOTSUPPORTED:
+		return -EOPNOTSUPP;
+	case ERR_EBADSTATE:
+		return -EINVAL;
+	case ERR_ENOMEM:
+		return -ENOMEM;
+	case ERR_ETIMEDOUT:
+		return -ETIMEDOUT;
+	case ERR_ELINKDOWN:
+		return -ENETDOWN;
+	case ERR_EINPROGRESS:
+		return -EINPROGRESS;
+	case ERR_EMAXRES:
+	default:
+		return (devcmd_status < 0) ? devcmd_status : -1;
+	}
+}
diff --git a/drivers/net/ethernet/cisco/enic/enic_dev.h b/drivers/net/ethernet/cisco/enic/enic_dev.h
new file mode 100644
index 00000000000..ff8e87fdfc1
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_dev.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2011 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _ENIC_DEV_H_
+#define _ENIC_DEV_H_
+
+int enic_dev_fw_info(struct enic *enic, struct vnic_devcmd_fw_info **fw_info);
+int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats);
+int enic_dev_add_station_addr(struct enic *enic);
+int enic_dev_del_station_addr(struct enic *enic);
+int enic_dev_packet_filter(struct enic *enic, int directed, int multicast,
+	int broadcast, int promisc, int allmulti);
+int enic_dev_add_addr(struct enic *enic, u8 *addr);
+int enic_dev_del_addr(struct enic *enic, u8 *addr);
+void enic_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
+void enic_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
+int enic_dev_notify_unset(struct enic *enic);
+int enic_dev_hang_notify(struct enic *enic);
+int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic);
+int enic_dev_enable(struct enic *enic);
+int enic_dev_disable(struct enic *enic);
+int enic_dev_intr_coal_timer_info(struct enic *enic);
+int enic_vnic_dev_deinit(struct enic *enic);
+int enic_dev_init_prov2(struct enic *enic, struct vic_provinfo *vp);
+int enic_dev_deinit_done(struct enic *enic, int *status);
+int enic_dev_enable2(struct enic *enic, int arg);
+int enic_dev_enable2_done(struct enic *enic, int *status);
+int enic_dev_status_to_errno(int devcmd_status);
+
+#endif /* _ENIC_DEV_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
new file mode 100644
index 00000000000..67a27cd304d
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -0,0 +1,2513 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/ethtool.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/rtnetlink.h>
+#include <linux/prefetch.h>
+#include <net/ip6_checksum.h>
+
+#include "cq_enet_desc.h"
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_vic.h"
+#include "enic_res.h"
+#include "enic.h"
+#include "enic_dev.h"
+#include "enic_pp.h"
+
+#define ENIC_NOTIFY_TIMER_PERIOD	(2 * HZ)
+#define WQ_ENET_MAX_DESC_LEN		(1 << WQ_ENET_LEN_BITS)
+#define MAX_TSO				(1 << 16)
+#define ENIC_DESC_MAX_SPLITS		(MAX_TSO / WQ_ENET_MAX_DESC_LEN + 1)
+
+#define PCI_DEVICE_ID_CISCO_VIC_ENET         0x0043  /* ethernet vnic */
+#define PCI_DEVICE_ID_CISCO_VIC_ENET_DYN     0x0044  /* enet dynamic vnic */
+
+/* Supported devices */
+static DEFINE_PCI_DEVICE_TABLE(enic_id_table) = {
+	{ PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET) },
+	{ PCI_VDEVICE(CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_DYN) },
+	{ 0, }	/* end of table */
+};
+
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_AUTHOR("Scott Feldman <scofeldm@cisco.com>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, enic_id_table);
+
+struct enic_stat {
+	char name[ETH_GSTRING_LEN];
+	unsigned int offset;
+};
+
+#define ENIC_TX_STAT(stat)	\
+	{ .name = #stat, .offset = offsetof(struct vnic_tx_stats, stat) / 8 }
+#define ENIC_RX_STAT(stat)	\
+	{ .name = #stat, .offset = offsetof(struct vnic_rx_stats, stat) / 8 }
+
+static const struct enic_stat enic_tx_stats[] = {
+	ENIC_TX_STAT(tx_frames_ok),
+	ENIC_TX_STAT(tx_unicast_frames_ok),
+	ENIC_TX_STAT(tx_multicast_frames_ok),
+	ENIC_TX_STAT(tx_broadcast_frames_ok),
+	ENIC_TX_STAT(tx_bytes_ok),
+	ENIC_TX_STAT(tx_unicast_bytes_ok),
+	ENIC_TX_STAT(tx_multicast_bytes_ok),
+	ENIC_TX_STAT(tx_broadcast_bytes_ok),
+	ENIC_TX_STAT(tx_drops),
+	ENIC_TX_STAT(tx_errors),
+	ENIC_TX_STAT(tx_tso),
+};
+
+static const struct enic_stat enic_rx_stats[] = {
+	ENIC_RX_STAT(rx_frames_ok),
+	ENIC_RX_STAT(rx_frames_total),
+	ENIC_RX_STAT(rx_unicast_frames_ok),
+	ENIC_RX_STAT(rx_multicast_frames_ok),
+	ENIC_RX_STAT(rx_broadcast_frames_ok),
+	ENIC_RX_STAT(rx_bytes_ok),
+	ENIC_RX_STAT(rx_unicast_bytes_ok),
+	ENIC_RX_STAT(rx_multicast_bytes_ok),
+	ENIC_RX_STAT(rx_broadcast_bytes_ok),
+	ENIC_RX_STAT(rx_drop),
+	ENIC_RX_STAT(rx_no_bufs),
+	ENIC_RX_STAT(rx_errors),
+	ENIC_RX_STAT(rx_rss),
+	ENIC_RX_STAT(rx_crc_errors),
+	ENIC_RX_STAT(rx_frames_64),
+	ENIC_RX_STAT(rx_frames_127),
+	ENIC_RX_STAT(rx_frames_255),
+	ENIC_RX_STAT(rx_frames_511),
+	ENIC_RX_STAT(rx_frames_1023),
+	ENIC_RX_STAT(rx_frames_1518),
+	ENIC_RX_STAT(rx_frames_to_max),
+};
+
+static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats);
+static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats);
+
+static int enic_is_dynamic(struct enic *enic)
+{
+	return enic->pdev->device == PCI_DEVICE_ID_CISCO_VIC_ENET_DYN;
+}
+
+static inline unsigned int enic_cq_rq(struct enic *enic, unsigned int rq)
+{
+	return rq;
+}
+
+static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
+{
+	return enic->rq_count + wq;
+}
+
+static inline unsigned int enic_legacy_io_intr(void)
+{
+	return 0;
+}
+
+static inline unsigned int enic_legacy_err_intr(void)
+{
+	return 1;
+}
+
+static inline unsigned int enic_legacy_notify_intr(void)
+{
+	return 2;
+}
+
+static inline unsigned int enic_msix_rq_intr(struct enic *enic, unsigned int rq)
+{
+	return enic->cq[enic_cq_rq(enic, rq)].interrupt_offset;
+}
+
+static inline unsigned int enic_msix_wq_intr(struct enic *enic, unsigned int wq)
+{
+	return enic->cq[enic_cq_wq(enic, wq)].interrupt_offset;
+}
+
+static inline unsigned int enic_msix_err_intr(struct enic *enic)
+{
+	return enic->rq_count + enic->wq_count;
+}
+
+static inline unsigned int enic_msix_notify_intr(struct enic *enic)
+{
+	return enic->rq_count + enic->wq_count + 1;
+}
+
+static int enic_get_settings(struct net_device *netdev,
+	struct ethtool_cmd *ecmd)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
+	ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
+	ecmd->port = PORT_FIBRE;
+	ecmd->transceiver = XCVR_EXTERNAL;
+
+	if (netif_carrier_ok(netdev)) {
+		ethtool_cmd_speed_set(ecmd, vnic_dev_port_speed(enic->vdev));
+		ecmd->duplex = DUPLEX_FULL;
+	} else {
+		ethtool_cmd_speed_set(ecmd, -1);
+		ecmd->duplex = -1;
+	}
+
+	ecmd->autoneg = AUTONEG_DISABLE;
+
+	return 0;
+}
+
+static void enic_get_drvinfo(struct net_device *netdev,
+	struct ethtool_drvinfo *drvinfo)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_devcmd_fw_info *fw_info;
+
+	enic_dev_fw_info(enic, &fw_info);
+
+	strncpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
+	strncpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
+	strncpy(drvinfo->fw_version, fw_info->fw_version,
+		sizeof(drvinfo->fw_version));
+	strncpy(drvinfo->bus_info, pci_name(enic->pdev),
+		sizeof(drvinfo->bus_info));
+}
+
+static void enic_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+	unsigned int i;
+
+	switch (stringset) {
+	case ETH_SS_STATS:
+		for (i = 0; i < enic_n_tx_stats; i++) {
+			memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		for (i = 0; i < enic_n_rx_stats; i++) {
+			memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		break;
+	}
+}
+
+static int enic_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return enic_n_tx_stats + enic_n_rx_stats;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void enic_get_ethtool_stats(struct net_device *netdev,
+	struct ethtool_stats *stats, u64 *data)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_stats *vstats;
+	unsigned int i;
+
+	enic_dev_stats_dump(enic, &vstats);
+
+	for (i = 0; i < enic_n_tx_stats; i++)
+		*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].offset];
+	for (i = 0; i < enic_n_rx_stats; i++)
+		*(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].offset];
+}
+
+static u32 enic_get_msglevel(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	return enic->msg_enable;
+}
+
+static void enic_set_msglevel(struct net_device *netdev, u32 value)
+{
+	struct enic *enic = netdev_priv(netdev);
+	enic->msg_enable = value;
+}
+
+static int enic_get_coalesce(struct net_device *netdev,
+	struct ethtool_coalesce *ecmd)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	ecmd->tx_coalesce_usecs = enic->tx_coalesce_usecs;
+	ecmd->rx_coalesce_usecs = enic->rx_coalesce_usecs;
+
+	return 0;
+}
+
+static int enic_set_coalesce(struct net_device *netdev,
+	struct ethtool_coalesce *ecmd)
+{
+	struct enic *enic = netdev_priv(netdev);
+	u32 tx_coalesce_usecs;
+	u32 rx_coalesce_usecs;
+	unsigned int i, intr;
+
+	tx_coalesce_usecs = min_t(u32, ecmd->tx_coalesce_usecs,
+		vnic_dev_get_intr_coal_timer_max(enic->vdev));
+	rx_coalesce_usecs = min_t(u32, ecmd->rx_coalesce_usecs,
+		vnic_dev_get_intr_coal_timer_max(enic->vdev));
+
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	case VNIC_DEV_INTR_MODE_INTX:
+		if (tx_coalesce_usecs != rx_coalesce_usecs)
+			return -EINVAL;
+
+		intr = enic_legacy_io_intr();
+		vnic_intr_coalescing_timer_set(&enic->intr[intr],
+			tx_coalesce_usecs);
+		break;
+	case VNIC_DEV_INTR_MODE_MSI:
+		if (tx_coalesce_usecs != rx_coalesce_usecs)
+			return -EINVAL;
+
+		vnic_intr_coalescing_timer_set(&enic->intr[0],
+			tx_coalesce_usecs);
+		break;
+	case VNIC_DEV_INTR_MODE_MSIX:
+		for (i = 0; i < enic->wq_count; i++) {
+			intr = enic_msix_wq_intr(enic, i);
+			vnic_intr_coalescing_timer_set(&enic->intr[intr],
+				tx_coalesce_usecs);
+		}
+
+		for (i = 0; i < enic->rq_count; i++) {
+			intr = enic_msix_rq_intr(enic, i);
+			vnic_intr_coalescing_timer_set(&enic->intr[intr],
+				rx_coalesce_usecs);
+		}
+
+		break;
+	default:
+		break;
+	}
+
+	enic->tx_coalesce_usecs = tx_coalesce_usecs;
+	enic->rx_coalesce_usecs = rx_coalesce_usecs;
+
+	return 0;
+}
+
+static const struct ethtool_ops enic_ethtool_ops = {
+	.get_settings = enic_get_settings,
+	.get_drvinfo = enic_get_drvinfo,
+	.get_msglevel = enic_get_msglevel,
+	.set_msglevel = enic_set_msglevel,
+	.get_link = ethtool_op_get_link,
+	.get_strings = enic_get_strings,
+	.get_sset_count = enic_get_sset_count,
+	.get_ethtool_stats = enic_get_ethtool_stats,
+	.get_coalesce = enic_get_coalesce,
+	.set_coalesce = enic_set_coalesce,
+};
+
+static void enic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
+{
+	struct enic *enic = vnic_dev_priv(wq->vdev);
+
+	if (buf->sop)
+		pci_unmap_single(enic->pdev, buf->dma_addr,
+			buf->len, PCI_DMA_TODEVICE);
+	else
+		pci_unmap_page(enic->pdev, buf->dma_addr,
+			buf->len, PCI_DMA_TODEVICE);
+
+	if (buf->os_buf)
+		dev_kfree_skb_any(buf->os_buf);
+}
+
+static void enic_wq_free_buf(struct vnic_wq *wq,
+	struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque)
+{
+	enic_free_wq_buf(wq, buf);
+}
+
+static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
+	u8 type, u16 q_number, u16 completed_index, void *opaque)
+{
+	struct enic *enic = vnic_dev_priv(vdev);
+
+	spin_lock(&enic->wq_lock[q_number]);
+
+	vnic_wq_service(&enic->wq[q_number], cq_desc,
+		completed_index, enic_wq_free_buf,
+		opaque);
+
+	if (netif_queue_stopped(enic->netdev) &&
+	    vnic_wq_desc_avail(&enic->wq[q_number]) >=
+	    (MAX_SKB_FRAGS + ENIC_DESC_MAX_SPLITS))
+		netif_wake_queue(enic->netdev);
+
+	spin_unlock(&enic->wq_lock[q_number]);
+
+	return 0;
+}
+
+static void enic_log_q_error(struct enic *enic)
+{
+	unsigned int i;
+	u32 error_status;
+
+	for (i = 0; i < enic->wq_count; i++) {
+		error_status = vnic_wq_error_status(&enic->wq[i]);
+		if (error_status)
+			netdev_err(enic->netdev, "WQ[%d] error_status %d\n",
+				i, error_status);
+	}
+
+	for (i = 0; i < enic->rq_count; i++) {
+		error_status = vnic_rq_error_status(&enic->rq[i]);
+		if (error_status)
+			netdev_err(enic->netdev, "RQ[%d] error_status %d\n",
+				i, error_status);
+	}
+}
+
+static void enic_msglvl_check(struct enic *enic)
+{
+	u32 msg_enable = vnic_dev_msg_lvl(enic->vdev);
+
+	if (msg_enable != enic->msg_enable) {
+		netdev_info(enic->netdev, "msg lvl changed from 0x%x to 0x%x\n",
+			enic->msg_enable, msg_enable);
+		enic->msg_enable = msg_enable;
+	}
+}
+
+static void enic_mtu_check(struct enic *enic)
+{
+	u32 mtu = vnic_dev_mtu(enic->vdev);
+	struct net_device *netdev = enic->netdev;
+
+	if (mtu && mtu != enic->port_mtu) {
+		enic->port_mtu = mtu;
+		if (enic_is_dynamic(enic)) {
+			mtu = max_t(int, ENIC_MIN_MTU,
+				min_t(int, ENIC_MAX_MTU, mtu));
+			if (mtu != netdev->mtu)
+				schedule_work(&enic->change_mtu_work);
+		} else {
+			if (mtu < netdev->mtu)
+				netdev_warn(netdev,
+					"interface MTU (%d) set higher "
+					"than switch port MTU (%d)\n",
+					netdev->mtu, mtu);
+		}
+	}
+}
+
+static void enic_link_check(struct enic *enic)
+{
+	int link_status = vnic_dev_link_status(enic->vdev);
+	int carrier_ok = netif_carrier_ok(enic->netdev);
+
+	if (link_status && !carrier_ok) {
+		netdev_info(enic->netdev, "Link UP\n");
+		netif_carrier_on(enic->netdev);
+	} else if (!link_status && carrier_ok) {
+		netdev_info(enic->netdev, "Link DOWN\n");
+		netif_carrier_off(enic->netdev);
+	}
+}
+
+static void enic_notify_check(struct enic *enic)
+{
+	enic_msglvl_check(enic);
+	enic_mtu_check(enic);
+	enic_link_check(enic);
+}
+
+#define ENIC_TEST_INTR(pba, i) (pba & (1 << i))
+
+static irqreturn_t enic_isr_legacy(int irq, void *data)
+{
+	struct net_device *netdev = data;
+	struct enic *enic = netdev_priv(netdev);
+	unsigned int io_intr = enic_legacy_io_intr();
+	unsigned int err_intr = enic_legacy_err_intr();
+	unsigned int notify_intr = enic_legacy_notify_intr();
+	u32 pba;
+
+	vnic_intr_mask(&enic->intr[io_intr]);
+
+	pba = vnic_intr_legacy_pba(enic->legacy_pba);
+	if (!pba) {
+		vnic_intr_unmask(&enic->intr[io_intr]);
+		return IRQ_NONE;	/* not our interrupt */
+	}
+
+	if (ENIC_TEST_INTR(pba, notify_intr)) {
+		vnic_intr_return_all_credits(&enic->intr[notify_intr]);
+		enic_notify_check(enic);
+	}
+
+	if (ENIC_TEST_INTR(pba, err_intr)) {
+		vnic_intr_return_all_credits(&enic->intr[err_intr]);
+		enic_log_q_error(enic);
+		/* schedule recovery from WQ/RQ error */
+		schedule_work(&enic->reset);
+		return IRQ_HANDLED;
+	}
+
+	if (ENIC_TEST_INTR(pba, io_intr)) {
+		if (napi_schedule_prep(&enic->napi[0]))
+			__napi_schedule(&enic->napi[0]);
+	} else {
+		vnic_intr_unmask(&enic->intr[io_intr]);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t enic_isr_msi(int irq, void *data)
+{
+	struct enic *enic = data;
+
+	/* With MSI, there is no sharing of interrupts, so this is
+	 * our interrupt and there is no need to ack it.  The device
+	 * is not providing per-vector masking, so the OS will not
+	 * write to PCI config space to mask/unmask the interrupt.
+	 * We're using mask_on_assertion for MSI, so the device
+	 * automatically masks the interrupt when the interrupt is
+	 * generated.  Later, when exiting polling, the interrupt
+	 * will be unmasked (see enic_poll).
+	 *
+	 * Also, the device uses the same PCIe Traffic Class (TC)
+	 * for Memory Write data and MSI, so there are no ordering
+	 * issues; the MSI will always arrive at the Root Complex
+	 * _after_ corresponding Memory Writes (i.e. descriptor
+	 * writes).
+	 */
+
+	napi_schedule(&enic->napi[0]);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t enic_isr_msix_rq(int irq, void *data)
+{
+	struct napi_struct *napi = data;
+
+	/* schedule NAPI polling for RQ cleanup */
+	napi_schedule(napi);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t enic_isr_msix_wq(int irq, void *data)
+{
+	struct enic *enic = data;
+	unsigned int cq = enic_cq_wq(enic, 0);
+	unsigned int intr = enic_msix_wq_intr(enic, 0);
+	unsigned int wq_work_to_do = -1; /* no limit */
+	unsigned int wq_work_done;
+
+	wq_work_done = vnic_cq_service(&enic->cq[cq],
+		wq_work_to_do, enic_wq_service, NULL);
+
+	vnic_intr_return_credits(&enic->intr[intr],
+		wq_work_done,
+		1 /* unmask intr */,
+		1 /* reset intr timer */);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t enic_isr_msix_err(int irq, void *data)
+{
+	struct enic *enic = data;
+	unsigned int intr = enic_msix_err_intr(enic);
+
+	vnic_intr_return_all_credits(&enic->intr[intr]);
+
+	enic_log_q_error(enic);
+
+	/* schedule recovery from WQ/RQ error */
+	schedule_work(&enic->reset);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t enic_isr_msix_notify(int irq, void *data)
+{
+	struct enic *enic = data;
+	unsigned int intr = enic_msix_notify_intr(enic);
+
+	vnic_intr_return_all_credits(&enic->intr[intr]);
+	enic_notify_check(enic);
+
+	return IRQ_HANDLED;
+}
+
+static inline void enic_queue_wq_skb_cont(struct enic *enic,
+	struct vnic_wq *wq, struct sk_buff *skb,
+	unsigned int len_left, int loopback)
+{
+	skb_frag_t *frag;
+
+	/* Queue additional data fragments */
+	for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
+		len_left -= frag->size;
+		enic_queue_wq_desc_cont(wq, skb,
+			pci_map_page(enic->pdev, frag->page,
+				frag->page_offset, frag->size,
+				PCI_DMA_TODEVICE),
+			frag->size,
+			(len_left == 0),	/* EOP? */
+			loopback);
+	}
+}
+
+static inline void enic_queue_wq_skb_vlan(struct enic *enic,
+	struct vnic_wq *wq, struct sk_buff *skb,
+	int vlan_tag_insert, unsigned int vlan_tag, int loopback)
+{
+	unsigned int head_len = skb_headlen(skb);
+	unsigned int len_left = skb->len - head_len;
+	int eop = (len_left == 0);
+
+	/* Queue the main skb fragment. The fragments are no larger
+	 * than max MTU(9000)+ETH_HDR_LEN(14) bytes, which is less
+	 * than WQ_ENET_MAX_DESC_LEN length. So only one descriptor
+	 * per fragment is queued.
+	 */
+	enic_queue_wq_desc(wq, skb,
+		pci_map_single(enic->pdev, skb->data,
+			head_len, PCI_DMA_TODEVICE),
+		head_len,
+		vlan_tag_insert, vlan_tag,
+		eop, loopback);
+
+	if (!eop)
+		enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
+}
+
+static inline void enic_queue_wq_skb_csum_l4(struct enic *enic,
+	struct vnic_wq *wq, struct sk_buff *skb,
+	int vlan_tag_insert, unsigned int vlan_tag, int loopback)
+{
+	unsigned int head_len = skb_headlen(skb);
+	unsigned int len_left = skb->len - head_len;
+	unsigned int hdr_len = skb_checksum_start_offset(skb);
+	unsigned int csum_offset = hdr_len + skb->csum_offset;
+	int eop = (len_left == 0);
+
+	/* Queue the main skb fragment. The fragments are no larger
+	 * than max MTU(9000)+ETH_HDR_LEN(14) bytes, which is less
+	 * than WQ_ENET_MAX_DESC_LEN length. So only one descriptor
+	 * per fragment is queued.
+	 */
+	enic_queue_wq_desc_csum_l4(wq, skb,
+		pci_map_single(enic->pdev, skb->data,
+			head_len, PCI_DMA_TODEVICE),
+		head_len,
+		csum_offset,
+		hdr_len,
+		vlan_tag_insert, vlan_tag,
+		eop, loopback);
+
+	if (!eop)
+		enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
+}
+
+static inline void enic_queue_wq_skb_tso(struct enic *enic,
+	struct vnic_wq *wq, struct sk_buff *skb, unsigned int mss,
+	int vlan_tag_insert, unsigned int vlan_tag, int loopback)
+{
+	unsigned int frag_len_left = skb_headlen(skb);
+	unsigned int len_left = skb->len - frag_len_left;
+	unsigned int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
+	int eop = (len_left == 0);
+	unsigned int len;
+	dma_addr_t dma_addr;
+	unsigned int offset = 0;
+	skb_frag_t *frag;
+
+	/* Preload TCP csum field with IP pseudo hdr calculated
+	 * with IP length set to zero.  HW will later add in length
+	 * to each TCP segment resulting from the TSO.
+	 */
+
+	if (skb->protocol == cpu_to_be16(ETH_P_IP)) {
+		ip_hdr(skb)->check = 0;
+		tcp_hdr(skb)->check = ~csum_tcpudp_magic(ip_hdr(skb)->saddr,
+			ip_hdr(skb)->daddr, 0, IPPROTO_TCP, 0);
+	} else if (skb->protocol == cpu_to_be16(ETH_P_IPV6)) {
+		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+			&ipv6_hdr(skb)->daddr, 0, IPPROTO_TCP, 0);
+	}
+
+	/* Queue WQ_ENET_MAX_DESC_LEN length descriptors
+	 * for the main skb fragment
+	 */
+	while (frag_len_left) {
+		len = min(frag_len_left, (unsigned int)WQ_ENET_MAX_DESC_LEN);
+		dma_addr = pci_map_single(enic->pdev, skb->data + offset,
+				len, PCI_DMA_TODEVICE);
+		enic_queue_wq_desc_tso(wq, skb,
+			dma_addr,
+			len,
+			mss, hdr_len,
+			vlan_tag_insert, vlan_tag,
+			eop && (len == frag_len_left), loopback);
+		frag_len_left -= len;
+		offset += len;
+	}
+
+	if (eop)
+		return;
+
+	/* Queue WQ_ENET_MAX_DESC_LEN length descriptors
+	 * for additional data fragments
+	 */
+	for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
+		len_left -= frag->size;
+		frag_len_left = frag->size;
+		offset = frag->page_offset;
+
+		while (frag_len_left) {
+			len = min(frag_len_left,
+				(unsigned int)WQ_ENET_MAX_DESC_LEN);
+			dma_addr = pci_map_page(enic->pdev, frag->page,
+				offset, len,
+				PCI_DMA_TODEVICE);
+			enic_queue_wq_desc_cont(wq, skb,
+				dma_addr,
+				len,
+				(len_left == 0) &&
+				(len == frag_len_left),		/* EOP? */
+				loopback);
+			frag_len_left -= len;
+			offset += len;
+		}
+	}
+}
+
+static inline void enic_queue_wq_skb(struct enic *enic,
+	struct vnic_wq *wq, struct sk_buff *skb)
+{
+	unsigned int mss = skb_shinfo(skb)->gso_size;
+	unsigned int vlan_tag = 0;
+	int vlan_tag_insert = 0;
+	int loopback = 0;
+
+	if (vlan_tx_tag_present(skb)) {
+		/* VLAN tag from trunking driver */
+		vlan_tag_insert = 1;
+		vlan_tag = vlan_tx_tag_get(skb);
+	} else if (enic->loop_enable) {
+		vlan_tag = enic->loop_tag;
+		loopback = 1;
+	}
+
+	if (mss)
+		enic_queue_wq_skb_tso(enic, wq, skb, mss,
+			vlan_tag_insert, vlan_tag, loopback);
+	else if	(skb->ip_summed == CHECKSUM_PARTIAL)
+		enic_queue_wq_skb_csum_l4(enic, wq, skb,
+			vlan_tag_insert, vlan_tag, loopback);
+	else
+		enic_queue_wq_skb_vlan(enic, wq, skb,
+			vlan_tag_insert, vlan_tag, loopback);
+}
+
+/* netif_tx_lock held, process context with BHs disabled, or BH */
+static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb,
+	struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_wq *wq = &enic->wq[0];
+	unsigned long flags;
+
+	if (skb->len <= 0) {
+		dev_kfree_skb(skb);
+		return NETDEV_TX_OK;
+	}
+
+	/* Non-TSO sends must fit within ENIC_NON_TSO_MAX_DESC descs,
+	 * which is very likely.  In the off chance it's going to take
+	 * more than * ENIC_NON_TSO_MAX_DESC, linearize the skb.
+	 */
+
+	if (skb_shinfo(skb)->gso_size == 0 &&
+	    skb_shinfo(skb)->nr_frags + 1 > ENIC_NON_TSO_MAX_DESC &&
+	    skb_linearize(skb)) {
+		dev_kfree_skb(skb);
+		return NETDEV_TX_OK;
+	}
+
+	spin_lock_irqsave(&enic->wq_lock[0], flags);
+
+	if (vnic_wq_desc_avail(wq) <
+	    skb_shinfo(skb)->nr_frags + ENIC_DESC_MAX_SPLITS) {
+		netif_stop_queue(netdev);
+		/* This is a hard error, log it */
+		netdev_err(netdev, "BUG! Tx ring full when queue awake!\n");
+		spin_unlock_irqrestore(&enic->wq_lock[0], flags);
+		return NETDEV_TX_BUSY;
+	}
+
+	enic_queue_wq_skb(enic, wq, skb);
+
+	if (vnic_wq_desc_avail(wq) < MAX_SKB_FRAGS + ENIC_DESC_MAX_SPLITS)
+		netif_stop_queue(netdev);
+
+	spin_unlock_irqrestore(&enic->wq_lock[0], flags);
+
+	return NETDEV_TX_OK;
+}
+
+/* dev_base_lock rwlock held, nominally process context */
+static struct rtnl_link_stats64 *enic_get_stats(struct net_device *netdev,
+						struct rtnl_link_stats64 *net_stats)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_stats *stats;
+
+	enic_dev_stats_dump(enic, &stats);
+
+	net_stats->tx_packets = stats->tx.tx_frames_ok;
+	net_stats->tx_bytes = stats->tx.tx_bytes_ok;
+	net_stats->tx_errors = stats->tx.tx_errors;
+	net_stats->tx_dropped = stats->tx.tx_drops;
+
+	net_stats->rx_packets = stats->rx.rx_frames_ok;
+	net_stats->rx_bytes = stats->rx.rx_bytes_ok;
+	net_stats->rx_errors = stats->rx.rx_errors;
+	net_stats->multicast = stats->rx.rx_multicast_frames_ok;
+	net_stats->rx_over_errors = enic->rq_truncated_pkts;
+	net_stats->rx_crc_errors = enic->rq_bad_fcs;
+	net_stats->rx_dropped = stats->rx.rx_no_bufs + stats->rx.rx_drop;
+
+	return net_stats;
+}
+
+void enic_reset_addr_lists(struct enic *enic)
+{
+	enic->mc_count = 0;
+	enic->uc_count = 0;
+	enic->flags = 0;
+}
+
+static int enic_set_mac_addr(struct net_device *netdev, char *addr)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	if (enic_is_dynamic(enic)) {
+		if (!is_valid_ether_addr(addr) && !is_zero_ether_addr(addr))
+			return -EADDRNOTAVAIL;
+	} else {
+		if (!is_valid_ether_addr(addr))
+			return -EADDRNOTAVAIL;
+	}
+
+	memcpy(netdev->dev_addr, addr, netdev->addr_len);
+
+	return 0;
+}
+
+static int enic_set_mac_address_dynamic(struct net_device *netdev, void *p)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct sockaddr *saddr = p;
+	char *addr = saddr->sa_data;
+	int err;
+
+	if (netif_running(enic->netdev)) {
+		err = enic_dev_del_station_addr(enic);
+		if (err)
+			return err;
+	}
+
+	err = enic_set_mac_addr(netdev, addr);
+	if (err)
+		return err;
+
+	if (netif_running(enic->netdev)) {
+		err = enic_dev_add_station_addr(enic);
+		if (err)
+			return err;
+	}
+
+	return err;
+}
+
+static int enic_set_mac_address(struct net_device *netdev, void *p)
+{
+	struct sockaddr *saddr = p;
+	char *addr = saddr->sa_data;
+	struct enic *enic = netdev_priv(netdev);
+	int err;
+
+	err = enic_dev_del_station_addr(enic);
+	if (err)
+		return err;
+
+	err = enic_set_mac_addr(netdev, addr);
+	if (err)
+		return err;
+
+	return enic_dev_add_station_addr(enic);
+}
+
+static void enic_update_multicast_addr_list(struct enic *enic)
+{
+	struct net_device *netdev = enic->netdev;
+	struct netdev_hw_addr *ha;
+	unsigned int mc_count = netdev_mc_count(netdev);
+	u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
+	unsigned int i, j;
+
+	if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS) {
+		netdev_warn(netdev, "Registering only %d out of %d "
+			"multicast addresses\n",
+			ENIC_MULTICAST_PERFECT_FILTERS, mc_count);
+		mc_count = ENIC_MULTICAST_PERFECT_FILTERS;
+	}
+
+	/* Is there an easier way?  Trying to minimize to
+	 * calls to add/del multicast addrs.  We keep the
+	 * addrs from the last call in enic->mc_addr and
+	 * look for changes to add/del.
+	 */
+
+	i = 0;
+	netdev_for_each_mc_addr(ha, netdev) {
+		if (i == mc_count)
+			break;
+		memcpy(mc_addr[i++], ha->addr, ETH_ALEN);
+	}
+
+	for (i = 0; i < enic->mc_count; i++) {
+		for (j = 0; j < mc_count; j++)
+			if (compare_ether_addr(enic->mc_addr[i],
+				mc_addr[j]) == 0)
+				break;
+		if (j == mc_count)
+			enic_dev_del_addr(enic, enic->mc_addr[i]);
+	}
+
+	for (i = 0; i < mc_count; i++) {
+		for (j = 0; j < enic->mc_count; j++)
+			if (compare_ether_addr(mc_addr[i],
+				enic->mc_addr[j]) == 0)
+				break;
+		if (j == enic->mc_count)
+			enic_dev_add_addr(enic, mc_addr[i]);
+	}
+
+	/* Save the list to compare against next time
+	 */
+
+	for (i = 0; i < mc_count; i++)
+		memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN);
+
+	enic->mc_count = mc_count;
+}
+
+static void enic_update_unicast_addr_list(struct enic *enic)
+{
+	struct net_device *netdev = enic->netdev;
+	struct netdev_hw_addr *ha;
+	unsigned int uc_count = netdev_uc_count(netdev);
+	u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
+	unsigned int i, j;
+
+	if (uc_count > ENIC_UNICAST_PERFECT_FILTERS) {
+		netdev_warn(netdev, "Registering only %d out of %d "
+			"unicast addresses\n",
+			ENIC_UNICAST_PERFECT_FILTERS, uc_count);
+		uc_count = ENIC_UNICAST_PERFECT_FILTERS;
+	}
+
+	/* Is there an easier way?  Trying to minimize to
+	 * calls to add/del unicast addrs.  We keep the
+	 * addrs from the last call in enic->uc_addr and
+	 * look for changes to add/del.
+	 */
+
+	i = 0;
+	netdev_for_each_uc_addr(ha, netdev) {
+		if (i == uc_count)
+			break;
+		memcpy(uc_addr[i++], ha->addr, ETH_ALEN);
+	}
+
+	for (i = 0; i < enic->uc_count; i++) {
+		for (j = 0; j < uc_count; j++)
+			if (compare_ether_addr(enic->uc_addr[i],
+				uc_addr[j]) == 0)
+				break;
+		if (j == uc_count)
+			enic_dev_del_addr(enic, enic->uc_addr[i]);
+	}
+
+	for (i = 0; i < uc_count; i++) {
+		for (j = 0; j < enic->uc_count; j++)
+			if (compare_ether_addr(uc_addr[i],
+				enic->uc_addr[j]) == 0)
+				break;
+		if (j == enic->uc_count)
+			enic_dev_add_addr(enic, uc_addr[i]);
+	}
+
+	/* Save the list to compare against next time
+	 */
+
+	for (i = 0; i < uc_count; i++)
+		memcpy(enic->uc_addr[i], uc_addr[i], ETH_ALEN);
+
+	enic->uc_count = uc_count;
+}
+
+/* netif_tx_lock held, BHs disabled */
+static void enic_set_rx_mode(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	int directed = 1;
+	int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0;
+	int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0;
+	int promisc = (netdev->flags & IFF_PROMISC) ||
+		netdev_uc_count(netdev) > ENIC_UNICAST_PERFECT_FILTERS;
+	int allmulti = (netdev->flags & IFF_ALLMULTI) ||
+		netdev_mc_count(netdev) > ENIC_MULTICAST_PERFECT_FILTERS;
+	unsigned int flags = netdev->flags |
+		(allmulti ? IFF_ALLMULTI : 0) |
+		(promisc ? IFF_PROMISC : 0);
+
+	if (enic->flags != flags) {
+		enic->flags = flags;
+		enic_dev_packet_filter(enic, directed,
+			multicast, broadcast, promisc, allmulti);
+	}
+
+	if (!promisc) {
+		enic_update_unicast_addr_list(enic);
+		if (!allmulti)
+			enic_update_multicast_addr_list(enic);
+	}
+}
+
+/* netif_tx_lock held, BHs disabled */
+static void enic_tx_timeout(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	schedule_work(&enic->reset);
+}
+
+static int enic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+	struct enic *enic = netdev_priv(netdev);
+
+	if (vf != PORT_SELF_VF)
+		return -EOPNOTSUPP;
+
+	/* Ignore the vf argument for now. We can assume the request
+	 * is coming on a vf.
+	 */
+	if (is_valid_ether_addr(mac)) {
+		memcpy(enic->pp.vf_mac, mac, ETH_ALEN);
+		return 0;
+	} else
+		return -EINVAL;
+}
+
+static int enic_set_vf_port(struct net_device *netdev, int vf,
+	struct nlattr *port[])
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct enic_port_profile prev_pp;
+	int err = 0, restore_pp = 1;
+
+	/* don't support VFs, yet */
+	if (vf != PORT_SELF_VF)
+		return -EOPNOTSUPP;
+
+	if (!port[IFLA_PORT_REQUEST])
+		return -EOPNOTSUPP;
+
+	memcpy(&prev_pp, &enic->pp, sizeof(enic->pp));
+	memset(&enic->pp, 0, sizeof(enic->pp));
+
+	enic->pp.set |= ENIC_SET_REQUEST;
+	enic->pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]);
+
+	if (port[IFLA_PORT_PROFILE]) {
+		enic->pp.set |= ENIC_SET_NAME;
+		memcpy(enic->pp.name, nla_data(port[IFLA_PORT_PROFILE]),
+			PORT_PROFILE_MAX);
+	}
+
+	if (port[IFLA_PORT_INSTANCE_UUID]) {
+		enic->pp.set |= ENIC_SET_INSTANCE;
+		memcpy(enic->pp.instance_uuid,
+			nla_data(port[IFLA_PORT_INSTANCE_UUID]), PORT_UUID_MAX);
+	}
+
+	if (port[IFLA_PORT_HOST_UUID]) {
+		enic->pp.set |= ENIC_SET_HOST;
+		memcpy(enic->pp.host_uuid,
+			nla_data(port[IFLA_PORT_HOST_UUID]), PORT_UUID_MAX);
+	}
+
+	/* Special case handling: mac came from IFLA_VF_MAC */
+	if (!is_zero_ether_addr(prev_pp.vf_mac))
+		memcpy(enic->pp.mac_addr, prev_pp.vf_mac, ETH_ALEN);
+
+		if (is_zero_ether_addr(netdev->dev_addr))
+			random_ether_addr(netdev->dev_addr);
+
+	err = enic_process_set_pp_request(enic, &prev_pp, &restore_pp);
+	if (err) {
+		if (restore_pp) {
+			/* Things are still the way they were: Implicit
+			 * DISASSOCIATE failed
+			 */
+			memcpy(&enic->pp, &prev_pp, sizeof(enic->pp));
+		} else {
+			memset(&enic->pp, 0, sizeof(enic->pp));
+			memset(netdev->dev_addr, 0, ETH_ALEN);
+		}
+	} else {
+		/* Set flag to indicate that the port assoc/disassoc
+		 * request has been sent out to fw
+		 */
+		enic->pp.set |= ENIC_PORT_REQUEST_APPLIED;
+
+		/* If DISASSOCIATE, clean up all assigned/saved macaddresses */
+		if (enic->pp.request == PORT_REQUEST_DISASSOCIATE) {
+			memset(enic->pp.mac_addr, 0, ETH_ALEN);
+			memset(netdev->dev_addr, 0, ETH_ALEN);
+		}
+	}
+
+	memset(enic->pp.vf_mac, 0, ETH_ALEN);
+
+	return err;
+}
+
+static int enic_get_vf_port(struct net_device *netdev, int vf,
+	struct sk_buff *skb)
+{
+	struct enic *enic = netdev_priv(netdev);
+	u16 response = PORT_PROFILE_RESPONSE_SUCCESS;
+	int err;
+
+	if (!(enic->pp.set & ENIC_PORT_REQUEST_APPLIED))
+		return -ENODATA;
+
+	err = enic_process_get_pp_request(enic, enic->pp.request, &response);
+	if (err)
+		return err;
+
+	NLA_PUT_U16(skb, IFLA_PORT_REQUEST, enic->pp.request);
+	NLA_PUT_U16(skb, IFLA_PORT_RESPONSE, response);
+	if (enic->pp.set & ENIC_SET_NAME)
+		NLA_PUT(skb, IFLA_PORT_PROFILE, PORT_PROFILE_MAX,
+			enic->pp.name);
+	if (enic->pp.set & ENIC_SET_INSTANCE)
+		NLA_PUT(skb, IFLA_PORT_INSTANCE_UUID, PORT_UUID_MAX,
+			enic->pp.instance_uuid);
+	if (enic->pp.set & ENIC_SET_HOST)
+		NLA_PUT(skb, IFLA_PORT_HOST_UUID, PORT_UUID_MAX,
+			enic->pp.host_uuid);
+
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+
+static void enic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf)
+{
+	struct enic *enic = vnic_dev_priv(rq->vdev);
+
+	if (!buf->os_buf)
+		return;
+
+	pci_unmap_single(enic->pdev, buf->dma_addr,
+		buf->len, PCI_DMA_FROMDEVICE);
+	dev_kfree_skb_any(buf->os_buf);
+}
+
+static int enic_rq_alloc_buf(struct vnic_rq *rq)
+{
+	struct enic *enic = vnic_dev_priv(rq->vdev);
+	struct net_device *netdev = enic->netdev;
+	struct sk_buff *skb;
+	unsigned int len = netdev->mtu + VLAN_ETH_HLEN;
+	unsigned int os_buf_index = 0;
+	dma_addr_t dma_addr;
+
+	skb = netdev_alloc_skb_ip_align(netdev, len);
+	if (!skb)
+		return -ENOMEM;
+
+	dma_addr = pci_map_single(enic->pdev, skb->data,
+		len, PCI_DMA_FROMDEVICE);
+
+	enic_queue_rq_desc(rq, skb, os_buf_index,
+		dma_addr, len);
+
+	return 0;
+}
+
+static void enic_rq_indicate_buf(struct vnic_rq *rq,
+	struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
+	int skipped, void *opaque)
+{
+	struct enic *enic = vnic_dev_priv(rq->vdev);
+	struct net_device *netdev = enic->netdev;
+	struct sk_buff *skb;
+
+	u8 type, color, eop, sop, ingress_port, vlan_stripped;
+	u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof;
+	u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
+	u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc;
+	u8 packet_error;
+	u16 q_number, completed_index, bytes_written, vlan_tci, checksum;
+	u32 rss_hash;
+
+	if (skipped)
+		return;
+
+	skb = buf->os_buf;
+	prefetch(skb->data - NET_IP_ALIGN);
+	pci_unmap_single(enic->pdev, buf->dma_addr,
+		buf->len, PCI_DMA_FROMDEVICE);
+
+	cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc,
+		&type, &color, &q_number, &completed_index,
+		&ingress_port, &fcoe, &eop, &sop, &rss_type,
+		&csum_not_calc, &rss_hash, &bytes_written,
+		&packet_error, &vlan_stripped, &vlan_tci, &checksum,
+		&fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error,
+		&fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp,
+		&ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment,
+		&fcs_ok);
+
+	if (packet_error) {
+
+		if (!fcs_ok) {
+			if (bytes_written > 0)
+				enic->rq_bad_fcs++;
+			else if (bytes_written == 0)
+				enic->rq_truncated_pkts++;
+		}
+
+		dev_kfree_skb_any(skb);
+
+		return;
+	}
+
+	if (eop && bytes_written > 0) {
+
+		/* Good receive
+		 */
+
+		skb_put(skb, bytes_written);
+		skb->protocol = eth_type_trans(skb, netdev);
+
+		if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc) {
+			skb->csum = htons(checksum);
+			skb->ip_summed = CHECKSUM_COMPLETE;
+		}
+
+		skb->dev = netdev;
+
+		if (vlan_stripped)
+			__vlan_hwaccel_put_tag(skb, vlan_tci);
+
+		if (netdev->features & NETIF_F_GRO)
+			napi_gro_receive(&enic->napi[q_number], skb);
+		else
+			netif_receive_skb(skb);
+	} else {
+
+		/* Buffer overflow
+		 */
+
+		dev_kfree_skb_any(skb);
+	}
+}
+
+static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
+	u8 type, u16 q_number, u16 completed_index, void *opaque)
+{
+	struct enic *enic = vnic_dev_priv(vdev);
+
+	vnic_rq_service(&enic->rq[q_number], cq_desc,
+		completed_index, VNIC_RQ_RETURN_DESC,
+		enic_rq_indicate_buf, opaque);
+
+	return 0;
+}
+
+static int enic_poll(struct napi_struct *napi, int budget)
+{
+	struct net_device *netdev = napi->dev;
+	struct enic *enic = netdev_priv(netdev);
+	unsigned int cq_rq = enic_cq_rq(enic, 0);
+	unsigned int cq_wq = enic_cq_wq(enic, 0);
+	unsigned int intr = enic_legacy_io_intr();
+	unsigned int rq_work_to_do = budget;
+	unsigned int wq_work_to_do = -1; /* no limit */
+	unsigned int  work_done, rq_work_done, wq_work_done;
+	int err;
+
+	/* Service RQ (first) and WQ
+	 */
+
+	rq_work_done = vnic_cq_service(&enic->cq[cq_rq],
+		rq_work_to_do, enic_rq_service, NULL);
+
+	wq_work_done = vnic_cq_service(&enic->cq[cq_wq],
+		wq_work_to_do, enic_wq_service, NULL);
+
+	/* Accumulate intr event credits for this polling
+	 * cycle.  An intr event is the completion of a
+	 * a WQ or RQ packet.
+	 */
+
+	work_done = rq_work_done + wq_work_done;
+
+	if (work_done > 0)
+		vnic_intr_return_credits(&enic->intr[intr],
+			work_done,
+			0 /* don't unmask intr */,
+			0 /* don't reset intr timer */);
+
+	err = vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf);
+
+	/* Buffer allocation failed. Stay in polling
+	 * mode so we can try to fill the ring again.
+	 */
+
+	if (err)
+		rq_work_done = rq_work_to_do;
+
+	if (rq_work_done < rq_work_to_do) {
+
+		/* Some work done, but not enough to stay in polling,
+		 * exit polling
+		 */
+
+		napi_complete(napi);
+		vnic_intr_unmask(&enic->intr[intr]);
+	}
+
+	return rq_work_done;
+}
+
+static int enic_poll_msix(struct napi_struct *napi, int budget)
+{
+	struct net_device *netdev = napi->dev;
+	struct enic *enic = netdev_priv(netdev);
+	unsigned int rq = (napi - &enic->napi[0]);
+	unsigned int cq = enic_cq_rq(enic, rq);
+	unsigned int intr = enic_msix_rq_intr(enic, rq);
+	unsigned int work_to_do = budget;
+	unsigned int work_done;
+	int err;
+
+	/* Service RQ
+	 */
+
+	work_done = vnic_cq_service(&enic->cq[cq],
+		work_to_do, enic_rq_service, NULL);
+
+	/* Return intr event credits for this polling
+	 * cycle.  An intr event is the completion of a
+	 * RQ packet.
+	 */
+
+	if (work_done > 0)
+		vnic_intr_return_credits(&enic->intr[intr],
+			work_done,
+			0 /* don't unmask intr */,
+			0 /* don't reset intr timer */);
+
+	err = vnic_rq_fill(&enic->rq[rq], enic_rq_alloc_buf);
+
+	/* Buffer allocation failed. Stay in polling mode
+	 * so we can try to fill the ring again.
+	 */
+
+	if (err)
+		work_done = work_to_do;
+
+	if (work_done < work_to_do) {
+
+		/* Some work done, but not enough to stay in polling,
+		 * exit polling
+		 */
+
+		napi_complete(napi);
+		vnic_intr_unmask(&enic->intr[intr]);
+	}
+
+	return work_done;
+}
+
+static void enic_notify_timer(unsigned long data)
+{
+	struct enic *enic = (struct enic *)data;
+
+	enic_notify_check(enic);
+
+	mod_timer(&enic->notify_timer,
+		round_jiffies(jiffies + ENIC_NOTIFY_TIMER_PERIOD));
+}
+
+static void enic_free_intr(struct enic *enic)
+{
+	struct net_device *netdev = enic->netdev;
+	unsigned int i;
+
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	case VNIC_DEV_INTR_MODE_INTX:
+		free_irq(enic->pdev->irq, netdev);
+		break;
+	case VNIC_DEV_INTR_MODE_MSI:
+		free_irq(enic->pdev->irq, enic);
+		break;
+	case VNIC_DEV_INTR_MODE_MSIX:
+		for (i = 0; i < ARRAY_SIZE(enic->msix); i++)
+			if (enic->msix[i].requested)
+				free_irq(enic->msix_entry[i].vector,
+					enic->msix[i].devid);
+		break;
+	default:
+		break;
+	}
+}
+
+static int enic_request_intr(struct enic *enic)
+{
+	struct net_device *netdev = enic->netdev;
+	unsigned int i, intr;
+	int err = 0;
+
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+
+	case VNIC_DEV_INTR_MODE_INTX:
+
+		err = request_irq(enic->pdev->irq, enic_isr_legacy,
+			IRQF_SHARED, netdev->name, netdev);
+		break;
+
+	case VNIC_DEV_INTR_MODE_MSI:
+
+		err = request_irq(enic->pdev->irq, enic_isr_msi,
+			0, netdev->name, enic);
+		break;
+
+	case VNIC_DEV_INTR_MODE_MSIX:
+
+		for (i = 0; i < enic->rq_count; i++) {
+			intr = enic_msix_rq_intr(enic, i);
+			sprintf(enic->msix[intr].devname,
+				"%.11s-rx-%d", netdev->name, i);
+			enic->msix[intr].isr = enic_isr_msix_rq;
+			enic->msix[intr].devid = &enic->napi[i];
+		}
+
+		for (i = 0; i < enic->wq_count; i++) {
+			intr = enic_msix_wq_intr(enic, i);
+			sprintf(enic->msix[intr].devname,
+				"%.11s-tx-%d", netdev->name, i);
+			enic->msix[intr].isr = enic_isr_msix_wq;
+			enic->msix[intr].devid = enic;
+		}
+
+		intr = enic_msix_err_intr(enic);
+		sprintf(enic->msix[intr].devname,
+			"%.11s-err", netdev->name);
+		enic->msix[intr].isr = enic_isr_msix_err;
+		enic->msix[intr].devid = enic;
+
+		intr = enic_msix_notify_intr(enic);
+		sprintf(enic->msix[intr].devname,
+			"%.11s-notify", netdev->name);
+		enic->msix[intr].isr = enic_isr_msix_notify;
+		enic->msix[intr].devid = enic;
+
+		for (i = 0; i < ARRAY_SIZE(enic->msix); i++)
+			enic->msix[i].requested = 0;
+
+		for (i = 0; i < enic->intr_count; i++) {
+			err = request_irq(enic->msix_entry[i].vector,
+				enic->msix[i].isr, 0,
+				enic->msix[i].devname,
+				enic->msix[i].devid);
+			if (err) {
+				enic_free_intr(enic);
+				break;
+			}
+			enic->msix[i].requested = 1;
+		}
+
+		break;
+
+	default:
+		break;
+	}
+
+	return err;
+}
+
+static void enic_synchronize_irqs(struct enic *enic)
+{
+	unsigned int i;
+
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	case VNIC_DEV_INTR_MODE_INTX:
+	case VNIC_DEV_INTR_MODE_MSI:
+		synchronize_irq(enic->pdev->irq);
+		break;
+	case VNIC_DEV_INTR_MODE_MSIX:
+		for (i = 0; i < enic->intr_count; i++)
+			synchronize_irq(enic->msix_entry[i].vector);
+		break;
+	default:
+		break;
+	}
+}
+
+static int enic_dev_notify_set(struct enic *enic)
+{
+	int err;
+
+	spin_lock(&enic->devcmd_lock);
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	case VNIC_DEV_INTR_MODE_INTX:
+		err = vnic_dev_notify_set(enic->vdev,
+			enic_legacy_notify_intr());
+		break;
+	case VNIC_DEV_INTR_MODE_MSIX:
+		err = vnic_dev_notify_set(enic->vdev,
+			enic_msix_notify_intr(enic));
+		break;
+	default:
+		err = vnic_dev_notify_set(enic->vdev, -1 /* no intr */);
+		break;
+	}
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+static void enic_notify_timer_start(struct enic *enic)
+{
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	case VNIC_DEV_INTR_MODE_MSI:
+		mod_timer(&enic->notify_timer, jiffies);
+		break;
+	default:
+		/* Using intr for notification for INTx/MSI-X */
+		break;
+	}
+}
+
+/* rtnl lock is held, process context */
+static int enic_open(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	unsigned int i;
+	int err;
+
+	err = enic_request_intr(enic);
+	if (err) {
+		netdev_err(netdev, "Unable to request irq.\n");
+		return err;
+	}
+
+	err = enic_dev_notify_set(enic);
+	if (err) {
+		netdev_err(netdev,
+			"Failed to alloc notify buffer, aborting.\n");
+		goto err_out_free_intr;
+	}
+
+	for (i = 0; i < enic->rq_count; i++) {
+		vnic_rq_fill(&enic->rq[i], enic_rq_alloc_buf);
+		/* Need at least one buffer on ring to get going */
+		if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
+			netdev_err(netdev, "Unable to alloc receive buffers\n");
+			err = -ENOMEM;
+			goto err_out_notify_unset;
+		}
+	}
+
+	for (i = 0; i < enic->wq_count; i++)
+		vnic_wq_enable(&enic->wq[i]);
+	for (i = 0; i < enic->rq_count; i++)
+		vnic_rq_enable(&enic->rq[i]);
+
+	if (enic_is_dynamic(enic) && !is_zero_ether_addr(enic->pp.mac_addr))
+		enic_dev_add_addr(enic, enic->pp.mac_addr);
+	else
+		enic_dev_add_station_addr(enic);
+	enic_set_rx_mode(netdev);
+
+	netif_wake_queue(netdev);
+
+	for (i = 0; i < enic->rq_count; i++)
+		napi_enable(&enic->napi[i]);
+
+	enic_dev_enable(enic);
+
+	for (i = 0; i < enic->intr_count; i++)
+		vnic_intr_unmask(&enic->intr[i]);
+
+	enic_notify_timer_start(enic);
+
+	return 0;
+
+err_out_notify_unset:
+	enic_dev_notify_unset(enic);
+err_out_free_intr:
+	enic_free_intr(enic);
+
+	return err;
+}
+
+/* rtnl lock is held, process context */
+static int enic_stop(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	unsigned int i;
+	int err;
+
+	for (i = 0; i < enic->intr_count; i++) {
+		vnic_intr_mask(&enic->intr[i]);
+		(void)vnic_intr_masked(&enic->intr[i]); /* flush write */
+	}
+
+	enic_synchronize_irqs(enic);
+
+	del_timer_sync(&enic->notify_timer);
+
+	enic_dev_disable(enic);
+
+	for (i = 0; i < enic->rq_count; i++)
+		napi_disable(&enic->napi[i]);
+
+	netif_carrier_off(netdev);
+	netif_tx_disable(netdev);
+	if (enic_is_dynamic(enic) && !is_zero_ether_addr(enic->pp.mac_addr))
+		enic_dev_del_addr(enic, enic->pp.mac_addr);
+	else
+		enic_dev_del_station_addr(enic);
+
+	for (i = 0; i < enic->wq_count; i++) {
+		err = vnic_wq_disable(&enic->wq[i]);
+		if (err)
+			return err;
+	}
+	for (i = 0; i < enic->rq_count; i++) {
+		err = vnic_rq_disable(&enic->rq[i]);
+		if (err)
+			return err;
+	}
+
+	enic_dev_notify_unset(enic);
+	enic_free_intr(enic);
+
+	for (i = 0; i < enic->wq_count; i++)
+		vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
+	for (i = 0; i < enic->rq_count; i++)
+		vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
+	for (i = 0; i < enic->cq_count; i++)
+		vnic_cq_clean(&enic->cq[i]);
+	for (i = 0; i < enic->intr_count; i++)
+		vnic_intr_clean(&enic->intr[i]);
+
+	return 0;
+}
+
+static int enic_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct enic *enic = netdev_priv(netdev);
+	int running = netif_running(netdev);
+
+	if (new_mtu < ENIC_MIN_MTU || new_mtu > ENIC_MAX_MTU)
+		return -EINVAL;
+
+	if (enic_is_dynamic(enic))
+		return -EOPNOTSUPP;
+
+	if (running)
+		enic_stop(netdev);
+
+	netdev->mtu = new_mtu;
+
+	if (netdev->mtu > enic->port_mtu)
+		netdev_warn(netdev,
+			"interface MTU (%d) set higher than port MTU (%d)\n",
+			netdev->mtu, enic->port_mtu);
+
+	if (running)
+		enic_open(netdev);
+
+	return 0;
+}
+
+static void enic_change_mtu_work(struct work_struct *work)
+{
+	struct enic *enic = container_of(work, struct enic, change_mtu_work);
+	struct net_device *netdev = enic->netdev;
+	int new_mtu = vnic_dev_mtu(enic->vdev);
+	int err;
+	unsigned int i;
+
+	new_mtu = max_t(int, ENIC_MIN_MTU, min_t(int, ENIC_MAX_MTU, new_mtu));
+
+	rtnl_lock();
+
+	/* Stop RQ */
+	del_timer_sync(&enic->notify_timer);
+
+	for (i = 0; i < enic->rq_count; i++)
+		napi_disable(&enic->napi[i]);
+
+	vnic_intr_mask(&enic->intr[0]);
+	enic_synchronize_irqs(enic);
+	err = vnic_rq_disable(&enic->rq[0]);
+	if (err) {
+		netdev_err(netdev, "Unable to disable RQ.\n");
+		return;
+	}
+	vnic_rq_clean(&enic->rq[0], enic_free_rq_buf);
+	vnic_cq_clean(&enic->cq[0]);
+	vnic_intr_clean(&enic->intr[0]);
+
+	/* Fill RQ with new_mtu-sized buffers */
+	netdev->mtu = new_mtu;
+	vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf);
+	/* Need at least one buffer on ring to get going */
+	if (vnic_rq_desc_used(&enic->rq[0]) == 0) {
+		netdev_err(netdev, "Unable to alloc receive buffers.\n");
+		return;
+	}
+
+	/* Start RQ */
+	vnic_rq_enable(&enic->rq[0]);
+	napi_enable(&enic->napi[0]);
+	vnic_intr_unmask(&enic->intr[0]);
+	enic_notify_timer_start(enic);
+
+	rtnl_unlock();
+
+	netdev_info(netdev, "interface MTU set as %d\n", netdev->mtu);
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void enic_poll_controller(struct net_device *netdev)
+{
+	struct enic *enic = netdev_priv(netdev);
+	struct vnic_dev *vdev = enic->vdev;
+	unsigned int i, intr;
+
+	switch (vnic_dev_get_intr_mode(vdev)) {
+	case VNIC_DEV_INTR_MODE_MSIX:
+		for (i = 0; i < enic->rq_count; i++) {
+			intr = enic_msix_rq_intr(enic, i);
+			enic_isr_msix_rq(enic->msix_entry[intr].vector,
+				&enic->napi[i]);
+		}
+
+		for (i = 0; i < enic->wq_count; i++) {
+			intr = enic_msix_wq_intr(enic, i);
+			enic_isr_msix_wq(enic->msix_entry[intr].vector, enic);
+		}
+
+		break;
+	case VNIC_DEV_INTR_MODE_MSI:
+		enic_isr_msi(enic->pdev->irq, enic);
+		break;
+	case VNIC_DEV_INTR_MODE_INTX:
+		enic_isr_legacy(enic->pdev->irq, netdev);
+		break;
+	default:
+		break;
+	}
+}
+#endif
+
+static int enic_dev_wait(struct vnic_dev *vdev,
+	int (*start)(struct vnic_dev *, int),
+	int (*finished)(struct vnic_dev *, int *),
+	int arg)
+{
+	unsigned long time;
+	int done;
+	int err;
+
+	BUG_ON(in_interrupt());
+
+	err = start(vdev, arg);
+	if (err)
+		return err;
+
+	/* Wait for func to complete...2 seconds max
+	 */
+
+	time = jiffies + (HZ * 2);
+	do {
+
+		err = finished(vdev, &done);
+		if (err)
+			return err;
+
+		if (done)
+			return 0;
+
+		schedule_timeout_uninterruptible(HZ / 10);
+
+	} while (time_after(time, jiffies));
+
+	return -ETIMEDOUT;
+}
+
+static int enic_dev_open(struct enic *enic)
+{
+	int err;
+
+	err = enic_dev_wait(enic->vdev, vnic_dev_open,
+		vnic_dev_open_done, 0);
+	if (err)
+		dev_err(enic_get_dev(enic), "vNIC device open failed, err %d\n",
+			err);
+
+	return err;
+}
+
+static int enic_dev_hang_reset(struct enic *enic)
+{
+	int err;
+
+	err = enic_dev_wait(enic->vdev, vnic_dev_hang_reset,
+		vnic_dev_hang_reset_done, 0);
+	if (err)
+		netdev_err(enic->netdev, "vNIC hang reset failed, err %d\n",
+			err);
+
+	return err;
+}
+
+static int enic_set_rsskey(struct enic *enic)
+{
+	dma_addr_t rss_key_buf_pa;
+	union vnic_rss_key *rss_key_buf_va = NULL;
+	union vnic_rss_key rss_key = {
+		.key[0].b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101},
+		.key[1].b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101},
+		.key[2].b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115},
+		.key[3].b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108},
+	};
+	int err;
+
+	rss_key_buf_va = pci_alloc_consistent(enic->pdev,
+		sizeof(union vnic_rss_key), &rss_key_buf_pa);
+	if (!rss_key_buf_va)
+		return -ENOMEM;
+
+	memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
+
+	spin_lock(&enic->devcmd_lock);
+	err = enic_set_rss_key(enic,
+		rss_key_buf_pa,
+		sizeof(union vnic_rss_key));
+	spin_unlock(&enic->devcmd_lock);
+
+	pci_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
+		rss_key_buf_va, rss_key_buf_pa);
+
+	return err;
+}
+
+static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
+{
+	dma_addr_t rss_cpu_buf_pa;
+	union vnic_rss_cpu *rss_cpu_buf_va = NULL;
+	unsigned int i;
+	int err;
+
+	rss_cpu_buf_va = pci_alloc_consistent(enic->pdev,
+		sizeof(union vnic_rss_cpu), &rss_cpu_buf_pa);
+	if (!rss_cpu_buf_va)
+		return -ENOMEM;
+
+	for (i = 0; i < (1 << rss_hash_bits); i++)
+		(*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
+
+	spin_lock(&enic->devcmd_lock);
+	err = enic_set_rss_cpu(enic,
+		rss_cpu_buf_pa,
+		sizeof(union vnic_rss_cpu));
+	spin_unlock(&enic->devcmd_lock);
+
+	pci_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
+		rss_cpu_buf_va, rss_cpu_buf_pa);
+
+	return err;
+}
+
+static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
+	u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
+{
+	const u8 tso_ipid_split_en = 0;
+	const u8 ig_vlan_strip_en = 1;
+	int err;
+
+	/* Enable VLAN tag stripping.
+	*/
+
+	spin_lock(&enic->devcmd_lock);
+	err = enic_set_nic_cfg(enic,
+		rss_default_cpu, rss_hash_type,
+		rss_hash_bits, rss_base_cpu,
+		rss_enable, tso_ipid_split_en,
+		ig_vlan_strip_en);
+	spin_unlock(&enic->devcmd_lock);
+
+	return err;
+}
+
+static int enic_set_rss_nic_cfg(struct enic *enic)
+{
+	struct device *dev = enic_get_dev(enic);
+	const u8 rss_default_cpu = 0;
+	const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
+		NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
+		NIC_CFG_RSS_HASH_TYPE_IPV6 |
+		NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
+	const u8 rss_hash_bits = 7;
+	const u8 rss_base_cpu = 0;
+	u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
+
+	if (rss_enable) {
+		if (!enic_set_rsskey(enic)) {
+			if (enic_set_rsscpu(enic, rss_hash_bits)) {
+				rss_enable = 0;
+				dev_warn(dev, "RSS disabled, "
+					"Failed to set RSS cpu indirection table.");
+			}
+		} else {
+			rss_enable = 0;
+			dev_warn(dev, "RSS disabled, Failed to set RSS key.\n");
+		}
+	}
+
+	return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
+		rss_hash_bits, rss_base_cpu, rss_enable);
+}
+
+static void enic_reset(struct work_struct *work)
+{
+	struct enic *enic = container_of(work, struct enic, reset);
+
+	if (!netif_running(enic->netdev))
+		return;
+
+	rtnl_lock();
+
+	enic_dev_hang_notify(enic);
+	enic_stop(enic->netdev);
+	enic_dev_hang_reset(enic);
+	enic_reset_addr_lists(enic);
+	enic_init_vnic_resources(enic);
+	enic_set_rss_nic_cfg(enic);
+	enic_dev_set_ig_vlan_rewrite_mode(enic);
+	enic_open(enic->netdev);
+
+	rtnl_unlock();
+}
+
+static int enic_set_intr_mode(struct enic *enic)
+{
+	unsigned int n = min_t(unsigned int, enic->rq_count, ENIC_RQ_MAX);
+	unsigned int m = min_t(unsigned int, enic->wq_count, ENIC_WQ_MAX);
+	unsigned int i;
+
+	/* Set interrupt mode (INTx, MSI, MSI-X) depending
+	 * on system capabilities.
+	 *
+	 * Try MSI-X first
+	 *
+	 * We need n RQs, m WQs, n+m CQs, and n+m+2 INTRs
+	 * (the second to last INTR is used for WQ/RQ errors)
+	 * (the last INTR is used for notifications)
+	 */
+
+	BUG_ON(ARRAY_SIZE(enic->msix_entry) < n + m + 2);
+	for (i = 0; i < n + m + 2; i++)
+		enic->msix_entry[i].entry = i;
+
+	/* Use multiple RQs if RSS is enabled
+	 */
+
+	if (ENIC_SETTING(enic, RSS) &&
+	    enic->config.intr_mode < 1 &&
+	    enic->rq_count >= n &&
+	    enic->wq_count >= m &&
+	    enic->cq_count >= n + m &&
+	    enic->intr_count >= n + m + 2) {
+
+		if (!pci_enable_msix(enic->pdev, enic->msix_entry, n + m + 2)) {
+
+			enic->rq_count = n;
+			enic->wq_count = m;
+			enic->cq_count = n + m;
+			enic->intr_count = n + m + 2;
+
+			vnic_dev_set_intr_mode(enic->vdev,
+				VNIC_DEV_INTR_MODE_MSIX);
+
+			return 0;
+		}
+	}
+
+	if (enic->config.intr_mode < 1 &&
+	    enic->rq_count >= 1 &&
+	    enic->wq_count >= m &&
+	    enic->cq_count >= 1 + m &&
+	    enic->intr_count >= 1 + m + 2) {
+		if (!pci_enable_msix(enic->pdev, enic->msix_entry, 1 + m + 2)) {
+
+			enic->rq_count = 1;
+			enic->wq_count = m;
+			enic->cq_count = 1 + m;
+			enic->intr_count = 1 + m + 2;
+
+			vnic_dev_set_intr_mode(enic->vdev,
+				VNIC_DEV_INTR_MODE_MSIX);
+
+			return 0;
+		}
+	}
+
+	/* Next try MSI
+	 *
+	 * We need 1 RQ, 1 WQ, 2 CQs, and 1 INTR
+	 */
+
+	if (enic->config.intr_mode < 2 &&
+	    enic->rq_count >= 1 &&
+	    enic->wq_count >= 1 &&
+	    enic->cq_count >= 2 &&
+	    enic->intr_count >= 1 &&
+	    !pci_enable_msi(enic->pdev)) {
+
+		enic->rq_count = 1;
+		enic->wq_count = 1;
+		enic->cq_count = 2;
+		enic->intr_count = 1;
+
+		vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_MSI);
+
+		return 0;
+	}
+
+	/* Next try INTx
+	 *
+	 * We need 1 RQ, 1 WQ, 2 CQs, and 3 INTRs
+	 * (the first INTR is used for WQ/RQ)
+	 * (the second INTR is used for WQ/RQ errors)
+	 * (the last INTR is used for notifications)
+	 */
+
+	if (enic->config.intr_mode < 3 &&
+	    enic->rq_count >= 1 &&
+	    enic->wq_count >= 1 &&
+	    enic->cq_count >= 2 &&
+	    enic->intr_count >= 3) {
+
+		enic->rq_count = 1;
+		enic->wq_count = 1;
+		enic->cq_count = 2;
+		enic->intr_count = 3;
+
+		vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_INTX);
+
+		return 0;
+	}
+
+	vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN);
+
+	return -EINVAL;
+}
+
+static void enic_clear_intr_mode(struct enic *enic)
+{
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	case VNIC_DEV_INTR_MODE_MSIX:
+		pci_disable_msix(enic->pdev);
+		break;
+	case VNIC_DEV_INTR_MODE_MSI:
+		pci_disable_msi(enic->pdev);
+		break;
+	default:
+		break;
+	}
+
+	vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN);
+}
+
+static const struct net_device_ops enic_netdev_dynamic_ops = {
+	.ndo_open		= enic_open,
+	.ndo_stop		= enic_stop,
+	.ndo_start_xmit		= enic_hard_start_xmit,
+	.ndo_get_stats64	= enic_get_stats,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_rx_mode	= enic_set_rx_mode,
+	.ndo_set_multicast_list	= enic_set_rx_mode,
+	.ndo_set_mac_address	= enic_set_mac_address_dynamic,
+	.ndo_change_mtu		= enic_change_mtu,
+	.ndo_vlan_rx_add_vid	= enic_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= enic_vlan_rx_kill_vid,
+	.ndo_tx_timeout		= enic_tx_timeout,
+	.ndo_set_vf_port	= enic_set_vf_port,
+	.ndo_get_vf_port	= enic_get_vf_port,
+	.ndo_set_vf_mac		= enic_set_vf_mac,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= enic_poll_controller,
+#endif
+};
+
+static const struct net_device_ops enic_netdev_ops = {
+	.ndo_open		= enic_open,
+	.ndo_stop		= enic_stop,
+	.ndo_start_xmit		= enic_hard_start_xmit,
+	.ndo_get_stats64	= enic_get_stats,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address	= enic_set_mac_address,
+	.ndo_set_rx_mode	= enic_set_rx_mode,
+	.ndo_set_multicast_list	= enic_set_rx_mode,
+	.ndo_change_mtu		= enic_change_mtu,
+	.ndo_vlan_rx_add_vid	= enic_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= enic_vlan_rx_kill_vid,
+	.ndo_tx_timeout		= enic_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= enic_poll_controller,
+#endif
+};
+
+static void enic_dev_deinit(struct enic *enic)
+{
+	unsigned int i;
+
+	for (i = 0; i < enic->rq_count; i++)
+		netif_napi_del(&enic->napi[i]);
+
+	enic_free_vnic_resources(enic);
+	enic_clear_intr_mode(enic);
+}
+
+static int enic_dev_init(struct enic *enic)
+{
+	struct device *dev = enic_get_dev(enic);
+	struct net_device *netdev = enic->netdev;
+	unsigned int i;
+	int err;
+
+	/* Get interrupt coalesce timer info */
+	err = enic_dev_intr_coal_timer_info(enic);
+	if (err) {
+		dev_warn(dev, "Using default conversion factor for "
+			"interrupt coalesce timer\n");
+		vnic_dev_intr_coal_timer_info_default(enic->vdev);
+	}
+
+	/* Get vNIC configuration
+	 */
+
+	err = enic_get_vnic_config(enic);
+	if (err) {
+		dev_err(dev, "Get vNIC configuration failed, aborting\n");
+		return err;
+	}
+
+	/* Get available resource counts
+	 */
+
+	enic_get_res_counts(enic);
+
+	/* Set interrupt mode based on resource counts and system
+	 * capabilities
+	 */
+
+	err = enic_set_intr_mode(enic);
+	if (err) {
+		dev_err(dev, "Failed to set intr mode based on resource "
+			"counts and system capabilities, aborting\n");
+		return err;
+	}
+
+	/* Allocate and configure vNIC resources
+	 */
+
+	err = enic_alloc_vnic_resources(enic);
+	if (err) {
+		dev_err(dev, "Failed to alloc vNIC resources, aborting\n");
+		goto err_out_free_vnic_resources;
+	}
+
+	enic_init_vnic_resources(enic);
+
+	err = enic_set_rss_nic_cfg(enic);
+	if (err) {
+		dev_err(dev, "Failed to config nic, aborting\n");
+		goto err_out_free_vnic_resources;
+	}
+
+	switch (vnic_dev_get_intr_mode(enic->vdev)) {
+	default:
+		netif_napi_add(netdev, &enic->napi[0], enic_poll, 64);
+		break;
+	case VNIC_DEV_INTR_MODE_MSIX:
+		for (i = 0; i < enic->rq_count; i++)
+			netif_napi_add(netdev, &enic->napi[i],
+				enic_poll_msix, 64);
+		break;
+	}
+
+	return 0;
+
+err_out_free_vnic_resources:
+	enic_clear_intr_mode(enic);
+	enic_free_vnic_resources(enic);
+
+	return err;
+}
+
+static void enic_iounmap(struct enic *enic)
+{
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(enic->bar); i++)
+		if (enic->bar[i].vaddr)
+			iounmap(enic->bar[i].vaddr);
+}
+
+static int __devinit enic_probe(struct pci_dev *pdev,
+	const struct pci_device_id *ent)
+{
+	struct device *dev = &pdev->dev;
+	struct net_device *netdev;
+	struct enic *enic;
+	int using_dac = 0;
+	unsigned int i;
+	int err;
+
+	/* Allocate net device structure and initialize.  Private
+	 * instance data is initialized to zero.
+	 */
+
+	netdev = alloc_etherdev(sizeof(struct enic));
+	if (!netdev) {
+		pr_err("Etherdev alloc failed, aborting\n");
+		return -ENOMEM;
+	}
+
+	pci_set_drvdata(pdev, netdev);
+
+	SET_NETDEV_DEV(netdev, &pdev->dev);
+
+	enic = netdev_priv(netdev);
+	enic->netdev = netdev;
+	enic->pdev = pdev;
+
+	/* Setup PCI resources
+	 */
+
+	err = pci_enable_device_mem(pdev);
+	if (err) {
+		dev_err(dev, "Cannot enable PCI device, aborting\n");
+		goto err_out_free_netdev;
+	}
+
+	err = pci_request_regions(pdev, DRV_NAME);
+	if (err) {
+		dev_err(dev, "Cannot request PCI regions, aborting\n");
+		goto err_out_disable_device;
+	}
+
+	pci_set_master(pdev);
+
+	/* Query PCI controller on system for DMA addressing
+	 * limitation for the device.  Try 40-bit first, and
+	 * fail to 32-bit.
+	 */
+
+	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(40));
+	if (err) {
+		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (err) {
+			dev_err(dev, "No usable DMA configuration, aborting\n");
+			goto err_out_release_regions;
+		}
+		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (err) {
+			dev_err(dev, "Unable to obtain %u-bit DMA "
+				"for consistent allocations, aborting\n", 32);
+			goto err_out_release_regions;
+		}
+	} else {
+		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40));
+		if (err) {
+			dev_err(dev, "Unable to obtain %u-bit DMA "
+				"for consistent allocations, aborting\n", 40);
+			goto err_out_release_regions;
+		}
+		using_dac = 1;
+	}
+
+	/* Map vNIC resources from BAR0-5
+	 */
+
+	for (i = 0; i < ARRAY_SIZE(enic->bar); i++) {
+		if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM))
+			continue;
+		enic->bar[i].len = pci_resource_len(pdev, i);
+		enic->bar[i].vaddr = pci_iomap(pdev, i, enic->bar[i].len);
+		if (!enic->bar[i].vaddr) {
+			dev_err(dev, "Cannot memory-map BAR %d, aborting\n", i);
+			err = -ENODEV;
+			goto err_out_iounmap;
+		}
+		enic->bar[i].bus_addr = pci_resource_start(pdev, i);
+	}
+
+	/* Register vNIC device
+	 */
+
+	enic->vdev = vnic_dev_register(NULL, enic, pdev, enic->bar,
+		ARRAY_SIZE(enic->bar));
+	if (!enic->vdev) {
+		dev_err(dev, "vNIC registration failed, aborting\n");
+		err = -ENODEV;
+		goto err_out_iounmap;
+	}
+
+	/* Issue device open to get device in known state
+	 */
+
+	err = enic_dev_open(enic);
+	if (err) {
+		dev_err(dev, "vNIC dev open failed, aborting\n");
+		goto err_out_vnic_unregister;
+	}
+
+	/* Setup devcmd lock
+	 */
+
+	spin_lock_init(&enic->devcmd_lock);
+
+	/*
+	 * Set ingress vlan rewrite mode before vnic initialization
+	 */
+
+	err = enic_dev_set_ig_vlan_rewrite_mode(enic);
+	if (err) {
+		dev_err(dev,
+			"Failed to set ingress vlan rewrite mode, aborting.\n");
+		goto err_out_dev_close;
+	}
+
+	/* Issue device init to initialize the vnic-to-switch link.
+	 * We'll start with carrier off and wait for link UP
+	 * notification later to turn on carrier.  We don't need
+	 * to wait here for the vnic-to-switch link initialization
+	 * to complete; link UP notification is the indication that
+	 * the process is complete.
+	 */
+
+	netif_carrier_off(netdev);
+
+	/* Do not call dev_init for a dynamic vnic.
+	 * For a dynamic vnic, init_prov_info will be
+	 * called later by an upper layer.
+	 */
+
+	if (!enic_is_dynamic(enic)) {
+		err = vnic_dev_init(enic->vdev, 0);
+		if (err) {
+			dev_err(dev, "vNIC dev init failed, aborting\n");
+			goto err_out_dev_close;
+		}
+	}
+
+	err = enic_dev_init(enic);
+	if (err) {
+		dev_err(dev, "Device initialization failed, aborting\n");
+		goto err_out_dev_close;
+	}
+
+	/* Setup notification timer, HW reset task, and wq locks
+	 */
+
+	init_timer(&enic->notify_timer);
+	enic->notify_timer.function = enic_notify_timer;
+	enic->notify_timer.data = (unsigned long)enic;
+
+	INIT_WORK(&enic->reset, enic_reset);
+	INIT_WORK(&enic->change_mtu_work, enic_change_mtu_work);
+
+	for (i = 0; i < enic->wq_count; i++)
+		spin_lock_init(&enic->wq_lock[i]);
+
+	/* Register net device
+	 */
+
+	enic->port_mtu = enic->config.mtu;
+	(void)enic_change_mtu(netdev, enic->port_mtu);
+
+	err = enic_set_mac_addr(netdev, enic->mac_addr);
+	if (err) {
+		dev_err(dev, "Invalid MAC address, aborting\n");
+		goto err_out_dev_deinit;
+	}
+
+	enic->tx_coalesce_usecs = enic->config.intr_timer_usec;
+	enic->rx_coalesce_usecs = enic->tx_coalesce_usecs;
+
+	if (enic_is_dynamic(enic))
+		netdev->netdev_ops = &enic_netdev_dynamic_ops;
+	else
+		netdev->netdev_ops = &enic_netdev_ops;
+
+	netdev->watchdog_timeo = 2 * HZ;
+	netdev->ethtool_ops = &enic_ethtool_ops;
+
+	netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+	if (ENIC_SETTING(enic, LOOP)) {
+		netdev->features &= ~NETIF_F_HW_VLAN_TX;
+		enic->loop_enable = 1;
+		enic->loop_tag = enic->config.loop_tag;
+		dev_info(dev, "loopback tag=0x%04x\n", enic->loop_tag);
+	}
+	if (ENIC_SETTING(enic, TXCSUM))
+		netdev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM;
+	if (ENIC_SETTING(enic, TSO))
+		netdev->hw_features |= NETIF_F_TSO |
+			NETIF_F_TSO6 | NETIF_F_TSO_ECN;
+	if (ENIC_SETTING(enic, RXCSUM))
+		netdev->hw_features |= NETIF_F_RXCSUM;
+
+	netdev->features |= netdev->hw_features;
+
+	if (using_dac)
+		netdev->features |= NETIF_F_HIGHDMA;
+
+	err = register_netdev(netdev);
+	if (err) {
+		dev_err(dev, "Cannot register net device, aborting\n");
+		goto err_out_dev_deinit;
+	}
+
+	return 0;
+
+err_out_dev_deinit:
+	enic_dev_deinit(enic);
+err_out_dev_close:
+	vnic_dev_close(enic->vdev);
+err_out_vnic_unregister:
+	vnic_dev_unregister(enic->vdev);
+err_out_iounmap:
+	enic_iounmap(enic);
+err_out_release_regions:
+	pci_release_regions(pdev);
+err_out_disable_device:
+	pci_disable_device(pdev);
+err_out_free_netdev:
+	pci_set_drvdata(pdev, NULL);
+	free_netdev(netdev);
+
+	return err;
+}
+
+static void __devexit enic_remove(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+
+	if (netdev) {
+		struct enic *enic = netdev_priv(netdev);
+
+		cancel_work_sync(&enic->reset);
+		cancel_work_sync(&enic->change_mtu_work);
+		unregister_netdev(netdev);
+		enic_dev_deinit(enic);
+		vnic_dev_close(enic->vdev);
+		vnic_dev_unregister(enic->vdev);
+		enic_iounmap(enic);
+		pci_release_regions(pdev);
+		pci_disable_device(pdev);
+		pci_set_drvdata(pdev, NULL);
+		free_netdev(netdev);
+	}
+}
+
+static struct pci_driver enic_driver = {
+	.name = DRV_NAME,
+	.id_table = enic_id_table,
+	.probe = enic_probe,
+	.remove = __devexit_p(enic_remove),
+};
+
+static int __init enic_init_module(void)
+{
+	pr_info("%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
+
+	return pci_register_driver(&enic_driver);
+}
+
+static void __exit enic_cleanup_module(void)
+{
+	pci_unregister_driver(&enic_driver);
+}
+
+module_init(enic_init_module);
+module_exit(enic_cleanup_module);
diff --git a/drivers/net/ethernet/cisco/enic/enic_pp.c b/drivers/net/ethernet/cisco/enic/enic_pp.c
new file mode 100644
index 00000000000..ffaa75dd1de
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_pp.c
@@ -0,0 +1,264 @@
+/*
+ * Copyright 2011 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <net/ip.h>
+
+#include "vnic_vic.h"
+#include "enic_res.h"
+#include "enic.h"
+#include "enic_dev.h"
+
+static int enic_set_port_profile(struct enic *enic)
+{
+	struct net_device *netdev = enic->netdev;
+	struct vic_provinfo *vp;
+	const u8 oui[3] = VIC_PROVINFO_CISCO_OUI;
+	const u16 os_type = htons(VIC_GENERIC_PROV_OS_TYPE_LINUX);
+	char uuid_str[38];
+	char client_mac_str[18];
+	u8 *client_mac;
+	int err;
+
+	if (!(enic->pp.set & ENIC_SET_NAME) || !strlen(enic->pp.name))
+		return -EINVAL;
+
+	vp = vic_provinfo_alloc(GFP_KERNEL, oui,
+		VIC_PROVINFO_GENERIC_TYPE);
+	if (!vp)
+		return -ENOMEM;
+
+	VIC_PROVINFO_ADD_TLV(vp,
+		VIC_GENERIC_PROV_TLV_PORT_PROFILE_NAME_STR,
+		strlen(enic->pp.name) + 1, enic->pp.name);
+
+	if (!is_zero_ether_addr(enic->pp.mac_addr))
+		client_mac = enic->pp.mac_addr;
+	else
+		client_mac = netdev->dev_addr;
+
+	VIC_PROVINFO_ADD_TLV(vp,
+		VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR,
+		ETH_ALEN, client_mac);
+
+	snprintf(client_mac_str, sizeof(client_mac_str), "%pM", client_mac);
+	VIC_PROVINFO_ADD_TLV(vp,
+		VIC_GENERIC_PROV_TLV_CLUSTER_PORT_UUID_STR,
+		sizeof(client_mac_str), client_mac_str);
+
+	if (enic->pp.set & ENIC_SET_INSTANCE) {
+		sprintf(uuid_str, "%pUB", enic->pp.instance_uuid);
+		VIC_PROVINFO_ADD_TLV(vp,
+			VIC_GENERIC_PROV_TLV_CLIENT_UUID_STR,
+			sizeof(uuid_str), uuid_str);
+	}
+
+	if (enic->pp.set & ENIC_SET_HOST) {
+		sprintf(uuid_str, "%pUB", enic->pp.host_uuid);
+		VIC_PROVINFO_ADD_TLV(vp,
+			VIC_GENERIC_PROV_TLV_HOST_UUID_STR,
+			sizeof(uuid_str), uuid_str);
+	}
+
+	VIC_PROVINFO_ADD_TLV(vp,
+		VIC_GENERIC_PROV_TLV_OS_TYPE,
+		sizeof(os_type), &os_type);
+
+	err = enic_dev_status_to_errno(enic_dev_init_prov2(enic, vp));
+
+add_tlv_failure:
+	vic_provinfo_free(vp);
+
+	return err;
+}
+
+static int enic_unset_port_profile(struct enic *enic)
+{
+	int err;
+
+	err = enic_vnic_dev_deinit(enic);
+	if (err)
+		return enic_dev_status_to_errno(err);
+
+	enic_reset_addr_lists(enic);
+
+	return 0;
+}
+
+static int enic_are_pp_different(struct enic_port_profile *pp1,
+		struct enic_port_profile *pp2)
+{
+	return strcmp(pp1->name, pp2->name) | !!memcmp(pp1->instance_uuid,
+		pp2->instance_uuid, PORT_UUID_MAX) |
+		!!memcmp(pp1->host_uuid, pp2->host_uuid, PORT_UUID_MAX) |
+		!!memcmp(pp1->mac_addr, pp2->mac_addr, ETH_ALEN);
+}
+
+static int enic_pp_preassociate(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp);
+static int enic_pp_disassociate(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp);
+static int enic_pp_preassociate_rr(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp);
+static int enic_pp_associate(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp);
+
+static int (*enic_pp_handlers[])(struct enic *enic,
+		struct enic_port_profile *prev_state, int *restore_pp) = {
+	[PORT_REQUEST_PREASSOCIATE]	= enic_pp_preassociate,
+	[PORT_REQUEST_PREASSOCIATE_RR]	= enic_pp_preassociate_rr,
+	[PORT_REQUEST_ASSOCIATE]	= enic_pp_associate,
+	[PORT_REQUEST_DISASSOCIATE]	= enic_pp_disassociate,
+};
+
+static const int enic_pp_handlers_count =
+			sizeof(enic_pp_handlers)/sizeof(*enic_pp_handlers);
+
+static int enic_pp_preassociate(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp)
+{
+	return -EOPNOTSUPP;
+}
+
+static int enic_pp_disassociate(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp)
+{
+	return enic_unset_port_profile(enic);
+}
+
+static int enic_pp_preassociate_rr(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp)
+{
+	int err;
+	int active = 0;
+
+	if (enic->pp.request != PORT_REQUEST_ASSOCIATE) {
+		/* If pre-associate is not part of an associate.
+		We always disassociate first */
+		err = enic_pp_handlers[PORT_REQUEST_DISASSOCIATE](enic,
+			prev_pp, restore_pp);
+		if (err)
+			return err;
+
+		*restore_pp = 0;
+	}
+
+	*restore_pp = 0;
+
+	err = enic_set_port_profile(enic);
+	if (err)
+		return err;
+
+	/* If pre-associate is not part of an associate. */
+	if (enic->pp.request != PORT_REQUEST_ASSOCIATE)
+		err = enic_dev_status_to_errno(enic_dev_enable2(enic, active));
+
+	return err;
+}
+
+static int enic_pp_associate(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp)
+{
+	int err;
+	int active = 1;
+
+	/* Check if a pre-associate was called before */
+	if (prev_pp->request != PORT_REQUEST_PREASSOCIATE_RR ||
+		(prev_pp->request == PORT_REQUEST_PREASSOCIATE_RR &&
+			enic_are_pp_different(prev_pp, &enic->pp))) {
+		err = enic_pp_handlers[PORT_REQUEST_DISASSOCIATE](
+			enic, prev_pp, restore_pp);
+		if (err)
+			return err;
+
+		*restore_pp = 0;
+	}
+
+	err = enic_pp_handlers[PORT_REQUEST_PREASSOCIATE_RR](
+			enic, prev_pp, restore_pp);
+	if (err)
+		return err;
+
+	*restore_pp = 0;
+
+	return enic_dev_status_to_errno(enic_dev_enable2(enic, active));
+}
+
+int enic_process_set_pp_request(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp)
+{
+	if (enic->pp.request < enic_pp_handlers_count
+		&& enic_pp_handlers[enic->pp.request])
+		return enic_pp_handlers[enic->pp.request](enic,
+			prev_pp, restore_pp);
+	else
+		return -EOPNOTSUPP;
+}
+
+int enic_process_get_pp_request(struct enic *enic, int request,
+	u16 *response)
+{
+	int err, status = ERR_SUCCESS;
+
+	switch (request) {
+
+	case PORT_REQUEST_PREASSOCIATE_RR:
+	case PORT_REQUEST_ASSOCIATE:
+		err = enic_dev_enable2_done(enic, &status);
+		break;
+
+	case PORT_REQUEST_DISASSOCIATE:
+		err = enic_dev_deinit_done(enic, &status);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	if (err)
+		status = err;
+
+	switch (status) {
+	case ERR_SUCCESS:
+		*response = PORT_PROFILE_RESPONSE_SUCCESS;
+		break;
+	case ERR_EINVAL:
+		*response = PORT_PROFILE_RESPONSE_INVALID;
+		break;
+	case ERR_EBADSTATE:
+		*response = PORT_PROFILE_RESPONSE_BADSTATE;
+		break;
+	case ERR_ENOMEM:
+		*response = PORT_PROFILE_RESPONSE_INSUFFICIENT_RESOURCES;
+		break;
+	case ERR_EINPROGRESS:
+		*response = PORT_PROFILE_RESPONSE_INPROGRESS;
+		break;
+	default:
+		*response = PORT_PROFILE_RESPONSE_ERROR;
+		break;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/ethernet/cisco/enic/enic_pp.h b/drivers/net/ethernet/cisco/enic/enic_pp.h
new file mode 100644
index 00000000000..699e365a944
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_pp.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2011 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _ENIC_PP_H_
+#define _ENIC_PP_H_
+
+int enic_process_set_pp_request(struct enic *enic,
+	struct enic_port_profile *prev_pp, int *restore_pp);
+int enic_process_get_pp_request(struct enic *enic, int request,
+	u16 *response);
+
+#endif /* _ENIC_PP_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/enic_res.c b/drivers/net/ethernet/cisco/enic/enic_res.c
new file mode 100644
index 00000000000..4a35367de79
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_res.c
@@ -0,0 +1,384 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "cq_enet_desc.h"
+#include "vnic_resource.h"
+#include "vnic_enet.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "vnic_rss.h"
+#include "enic_res.h"
+#include "enic.h"
+
+int enic_get_vnic_config(struct enic *enic)
+{
+	struct vnic_enet_config *c = &enic->config;
+	int err;
+
+	err = vnic_dev_mac_addr(enic->vdev, enic->mac_addr);
+	if (err) {
+		dev_err(enic_get_dev(enic),
+			"Error getting MAC addr, %d\n", err);
+		return err;
+	}
+
+#define GET_CONFIG(m) \
+	do { \
+		err = vnic_dev_spec(enic->vdev, \
+			offsetof(struct vnic_enet_config, m), \
+			sizeof(c->m), &c->m); \
+		if (err) { \
+			dev_err(enic_get_dev(enic), \
+				"Error getting %s, %d\n", #m, err); \
+			return err; \
+		} \
+	} while (0)
+
+	GET_CONFIG(flags);
+	GET_CONFIG(wq_desc_count);
+	GET_CONFIG(rq_desc_count);
+	GET_CONFIG(mtu);
+	GET_CONFIG(intr_timer_type);
+	GET_CONFIG(intr_mode);
+	GET_CONFIG(intr_timer_usec);
+	GET_CONFIG(loop_tag);
+
+	c->wq_desc_count =
+		min_t(u32, ENIC_MAX_WQ_DESCS,
+		max_t(u32, ENIC_MIN_WQ_DESCS,
+		c->wq_desc_count));
+	c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
+
+	c->rq_desc_count =
+		min_t(u32, ENIC_MAX_RQ_DESCS,
+		max_t(u32, ENIC_MIN_RQ_DESCS,
+		c->rq_desc_count));
+	c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
+
+	if (c->mtu == 0)
+		c->mtu = 1500;
+	c->mtu = min_t(u16, ENIC_MAX_MTU,
+		max_t(u16, ENIC_MIN_MTU,
+		c->mtu));
+
+	c->intr_timer_usec = min_t(u32, c->intr_timer_usec,
+		vnic_dev_get_intr_coal_timer_max(enic->vdev));
+
+	dev_info(enic_get_dev(enic),
+		"vNIC MAC addr %pM wq/rq %d/%d mtu %d\n",
+		enic->mac_addr, c->wq_desc_count, c->rq_desc_count, c->mtu);
+
+	dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s "
+		"tso/lro %s/%s rss %s intr mode %s type %s timer %d usec "
+		"loopback tag 0x%04x\n",
+		ENIC_SETTING(enic, TXCSUM) ? "yes" : "no",
+		ENIC_SETTING(enic, RXCSUM) ? "yes" : "no",
+		ENIC_SETTING(enic, TSO) ? "yes" : "no",
+		ENIC_SETTING(enic, LRO) ? "yes" : "no",
+		ENIC_SETTING(enic, RSS) ? "yes" : "no",
+		c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" :
+		c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" :
+		c->intr_mode == VENET_INTR_MODE_ANY ? "any" :
+		"unknown",
+		c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" :
+		c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" :
+		"unknown",
+		c->intr_timer_usec,
+		c->loop_tag);
+
+	return 0;
+}
+
+int enic_add_vlan(struct enic *enic, u16 vlanid)
+{
+	u64 a0 = vlanid, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait);
+	if (err)
+		dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err);
+
+	return err;
+}
+
+int enic_del_vlan(struct enic *enic, u16 vlanid)
+{
+	u64 a0 = vlanid, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait);
+	if (err)
+		dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err);
+
+	return err;
+}
+
+int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
+	u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
+	u8 ig_vlan_strip_en)
+{
+	u64 a0, a1;
+	u32 nic_cfg;
+	int wait = 1000;
+
+	vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
+		rss_hash_type, rss_hash_bits, rss_base_cpu,
+		rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
+
+	a0 = nic_cfg;
+	a1 = 0;
+
+	return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
+}
+
+int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len)
+{
+	u64 a0 = (u64)key_pa, a1 = len;
+	int wait = 1000;
+
+	return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait);
+}
+
+int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len)
+{
+	u64 a0 = (u64)cpu_pa, a1 = len;
+	int wait = 1000;
+
+	return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait);
+}
+
+void enic_free_vnic_resources(struct enic *enic)
+{
+	unsigned int i;
+
+	for (i = 0; i < enic->wq_count; i++)
+		vnic_wq_free(&enic->wq[i]);
+	for (i = 0; i < enic->rq_count; i++)
+		vnic_rq_free(&enic->rq[i]);
+	for (i = 0; i < enic->cq_count; i++)
+		vnic_cq_free(&enic->cq[i]);
+	for (i = 0; i < enic->intr_count; i++)
+		vnic_intr_free(&enic->intr[i]);
+}
+
+void enic_get_res_counts(struct enic *enic)
+{
+	enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
+	enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
+	enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
+	enic->intr_count = vnic_dev_get_res_count(enic->vdev,
+		RES_TYPE_INTR_CTRL);
+
+	dev_info(enic_get_dev(enic),
+		"vNIC resources avail: wq %d rq %d cq %d intr %d\n",
+		enic->wq_count, enic->rq_count,
+		enic->cq_count, enic->intr_count);
+}
+
+void enic_init_vnic_resources(struct enic *enic)
+{
+	enum vnic_dev_intr_mode intr_mode;
+	unsigned int mask_on_assertion;
+	unsigned int interrupt_offset;
+	unsigned int error_interrupt_enable;
+	unsigned int error_interrupt_offset;
+	unsigned int cq_index;
+	unsigned int i;
+
+	intr_mode = vnic_dev_get_intr_mode(enic->vdev);
+
+	/* Init RQ/WQ resources.
+	 *
+	 * RQ[0 - n-1] point to CQ[0 - n-1]
+	 * WQ[0 - m-1] point to CQ[n - n+m-1]
+	 *
+	 * Error interrupt is not enabled for MSI.
+	 */
+
+	switch (intr_mode) {
+	case VNIC_DEV_INTR_MODE_INTX:
+	case VNIC_DEV_INTR_MODE_MSIX:
+		error_interrupt_enable = 1;
+		error_interrupt_offset = enic->intr_count - 2;
+		break;
+	default:
+		error_interrupt_enable = 0;
+		error_interrupt_offset = 0;
+		break;
+	}
+
+	for (i = 0; i < enic->rq_count; i++) {
+		cq_index = i;
+		vnic_rq_init(&enic->rq[i],
+			cq_index,
+			error_interrupt_enable,
+			error_interrupt_offset);
+	}
+
+	for (i = 0; i < enic->wq_count; i++) {
+		cq_index = enic->rq_count + i;
+		vnic_wq_init(&enic->wq[i],
+			cq_index,
+			error_interrupt_enable,
+			error_interrupt_offset);
+	}
+
+	/* Init CQ resources
+	 *
+	 * CQ[0 - n+m-1] point to INTR[0] for INTx, MSI
+	 * CQ[0 - n+m-1] point to INTR[0 - n+m-1] for MSI-X
+	 */
+
+	for (i = 0; i < enic->cq_count; i++) {
+
+		switch (intr_mode) {
+		case VNIC_DEV_INTR_MODE_MSIX:
+			interrupt_offset = i;
+			break;
+		default:
+			interrupt_offset = 0;
+			break;
+		}
+
+		vnic_cq_init(&enic->cq[i],
+			0 /* flow_control_enable */,
+			1 /* color_enable */,
+			0 /* cq_head */,
+			0 /* cq_tail */,
+			1 /* cq_tail_color */,
+			1 /* interrupt_enable */,
+			1 /* cq_entry_enable */,
+			0 /* cq_message_enable */,
+			interrupt_offset,
+			0 /* cq_message_addr */);
+	}
+
+	/* Init INTR resources
+	 *
+	 * mask_on_assertion is not used for INTx due to the level-
+	 * triggered nature of INTx
+	 */
+
+	switch (intr_mode) {
+	case VNIC_DEV_INTR_MODE_MSI:
+	case VNIC_DEV_INTR_MODE_MSIX:
+		mask_on_assertion = 1;
+		break;
+	default:
+		mask_on_assertion = 0;
+		break;
+	}
+
+	for (i = 0; i < enic->intr_count; i++) {
+		vnic_intr_init(&enic->intr[i],
+			enic->config.intr_timer_usec,
+			enic->config.intr_timer_type,
+			mask_on_assertion);
+	}
+}
+
+int enic_alloc_vnic_resources(struct enic *enic)
+{
+	enum vnic_dev_intr_mode intr_mode;
+	unsigned int i;
+	int err;
+
+	intr_mode = vnic_dev_get_intr_mode(enic->vdev);
+
+	dev_info(enic_get_dev(enic), "vNIC resources used:  "
+		"wq %d rq %d cq %d intr %d intr mode %s\n",
+		enic->wq_count, enic->rq_count,
+		enic->cq_count, enic->intr_count,
+		intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" :
+		intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" :
+		intr_mode == VNIC_DEV_INTR_MODE_MSIX ? "MSI-X" :
+		"unknown");
+
+	/* Allocate queue resources
+	 */
+
+	for (i = 0; i < enic->wq_count; i++) {
+		err = vnic_wq_alloc(enic->vdev, &enic->wq[i], i,
+			enic->config.wq_desc_count,
+			sizeof(struct wq_enet_desc));
+		if (err)
+			goto err_out_cleanup;
+	}
+
+	for (i = 0; i < enic->rq_count; i++) {
+		err = vnic_rq_alloc(enic->vdev, &enic->rq[i], i,
+			enic->config.rq_desc_count,
+			sizeof(struct rq_enet_desc));
+		if (err)
+			goto err_out_cleanup;
+	}
+
+	for (i = 0; i < enic->cq_count; i++) {
+		if (i < enic->rq_count)
+			err = vnic_cq_alloc(enic->vdev, &enic->cq[i], i,
+				enic->config.rq_desc_count,
+				sizeof(struct cq_enet_rq_desc));
+		else
+			err = vnic_cq_alloc(enic->vdev, &enic->cq[i], i,
+				enic->config.wq_desc_count,
+				sizeof(struct cq_enet_wq_desc));
+		if (err)
+			goto err_out_cleanup;
+	}
+
+	for (i = 0; i < enic->intr_count; i++) {
+		err = vnic_intr_alloc(enic->vdev, &enic->intr[i], i);
+		if (err)
+			goto err_out_cleanup;
+	}
+
+	/* Hook remaining resource
+	 */
+
+	enic->legacy_pba = vnic_dev_get_res(enic->vdev,
+		RES_TYPE_INTR_PBA_LEGACY, 0);
+	if (!enic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) {
+		dev_err(enic_get_dev(enic),
+			"Failed to hook legacy pba resource\n");
+		err = -ENODEV;
+		goto err_out_cleanup;
+	}
+
+	return 0;
+
+err_out_cleanup:
+	enic_free_vnic_resources(enic);
+
+	return err;
+}
diff --git a/drivers/net/ethernet/cisco/enic/enic_res.h b/drivers/net/ethernet/cisco/enic/enic_res.h
new file mode 100644
index 00000000000..25be2734c3f
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_res.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _ENIC_RES_H_
+#define _ENIC_RES_H_
+
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+
+#define ENIC_MIN_WQ_DESCS		64
+#define ENIC_MAX_WQ_DESCS		4096
+#define ENIC_MIN_RQ_DESCS		64
+#define ENIC_MAX_RQ_DESCS		4096
+
+#define ENIC_MIN_MTU			68
+#define ENIC_MAX_MTU			9000
+
+#define ENIC_MULTICAST_PERFECT_FILTERS	32
+#define ENIC_UNICAST_PERFECT_FILTERS	32
+
+#define ENIC_NON_TSO_MAX_DESC		16
+
+#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
+
+static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq,
+	void *os_buf, dma_addr_t dma_addr, unsigned int len,
+	unsigned int mss_or_csum_offset, unsigned int hdr_len,
+	int vlan_tag_insert, unsigned int vlan_tag,
+	int offload_mode, int cq_entry, int sop, int eop, int loopback)
+{
+	struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
+
+	wq_enet_desc_enc(desc,
+		(u64)dma_addr | VNIC_PADDR_TARGET,
+		(u16)len,
+		(u16)mss_or_csum_offset,
+		(u16)hdr_len, (u8)offload_mode,
+		(u8)eop, (u8)cq_entry,
+		0, /* fcoe_encap */
+		(u8)vlan_tag_insert,
+		(u16)vlan_tag,
+		(u8)loopback);
+
+	vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
+}
+
+static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq,
+	void *os_buf, dma_addr_t dma_addr, unsigned int len,
+	int eop, int loopback)
+{
+	enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
+		0, 0, 0, 0, 0,
+		eop, 0 /* !SOP */, eop, loopback);
+}
+
+static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf,
+	dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert,
+	unsigned int vlan_tag, int eop, int loopback)
+{
+	enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
+		0, 0, vlan_tag_insert, vlan_tag,
+		WQ_ENET_OFFLOAD_MODE_CSUM,
+		eop, 1 /* SOP */, eop, loopback);
+}
+
+static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq,
+	void *os_buf, dma_addr_t dma_addr, unsigned int len,
+	int ip_csum, int tcpudp_csum, int vlan_tag_insert,
+	unsigned int vlan_tag, int eop, int loopback)
+{
+	enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
+		(ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0),
+		0, vlan_tag_insert, vlan_tag,
+		WQ_ENET_OFFLOAD_MODE_CSUM,
+		eop, 1 /* SOP */, eop, loopback);
+}
+
+static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq,
+	void *os_buf, dma_addr_t dma_addr, unsigned int len,
+	unsigned int csum_offset, unsigned int hdr_len,
+	int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback)
+{
+	enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
+		csum_offset, hdr_len, vlan_tag_insert, vlan_tag,
+		WQ_ENET_OFFLOAD_MODE_CSUM_L4,
+		eop, 1 /* SOP */, eop, loopback);
+}
+
+static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq,
+	void *os_buf, dma_addr_t dma_addr, unsigned int len,
+	unsigned int mss, unsigned int hdr_len, int vlan_tag_insert,
+	unsigned int vlan_tag, int eop, int loopback)
+{
+	enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
+		mss, hdr_len, vlan_tag_insert, vlan_tag,
+		WQ_ENET_OFFLOAD_MODE_TSO,
+		eop, 1 /* SOP */, eop, loopback);
+}
+
+static inline void enic_queue_rq_desc(struct vnic_rq *rq,
+	void *os_buf, unsigned int os_buf_index,
+	dma_addr_t dma_addr, unsigned int len)
+{
+	struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
+	u8 type = os_buf_index ?
+		RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP;
+
+	rq_enet_desc_enc(desc,
+		(u64)dma_addr | VNIC_PADDR_TARGET,
+		type, (u16)len);
+
+	vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len);
+}
+
+struct enic;
+
+int enic_get_vnic_config(struct enic *);
+int enic_add_vlan(struct enic *enic, u16 vlanid);
+int enic_del_vlan(struct enic *enic, u16 vlanid);
+int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
+	u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
+	u8 ig_vlan_strip_en);
+int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len);
+int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len);
+void enic_get_res_counts(struct enic *enic);
+void enic_init_vnic_resources(struct enic *enic);
+int enic_alloc_vnic_resources(struct enic *);
+void enic_free_vnic_resources(struct enic *);
+
+#endif /* _ENIC_RES_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/rq_enet_desc.h b/drivers/net/ethernet/cisco/enic/rq_enet_desc.h
new file mode 100644
index 00000000000..e6dd30988d6
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/rq_enet_desc.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _RQ_ENET_DESC_H_
+#define _RQ_ENET_DESC_H_
+
+/* Ethernet receive queue descriptor: 16B */
+struct rq_enet_desc {
+	__le64 address;
+	__le16 length_type;
+	u8 reserved[6];
+};
+
+enum rq_enet_type_types {
+	RQ_ENET_TYPE_ONLY_SOP = 0,
+	RQ_ENET_TYPE_NOT_SOP = 1,
+	RQ_ENET_TYPE_RESV2 = 2,
+	RQ_ENET_TYPE_RESV3 = 3,
+};
+
+#define RQ_ENET_ADDR_BITS		64
+#define RQ_ENET_LEN_BITS		14
+#define RQ_ENET_LEN_MASK		((1 << RQ_ENET_LEN_BITS) - 1)
+#define RQ_ENET_TYPE_BITS		2
+#define RQ_ENET_TYPE_MASK		((1 << RQ_ENET_TYPE_BITS) - 1)
+
+static inline void rq_enet_desc_enc(struct rq_enet_desc *desc,
+	u64 address, u8 type, u16 length)
+{
+	desc->address = cpu_to_le64(address);
+	desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) |
+		((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS));
+}
+
+static inline void rq_enet_desc_dec(struct rq_enet_desc *desc,
+	u64 *address, u8 *type, u16 *length)
+{
+	*address = le64_to_cpu(desc->address);
+	*length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK;
+	*type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) &
+		RQ_ENET_TYPE_MASK);
+}
+
+#endif /* _RQ_ENET_DESC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_cq.c b/drivers/net/ethernet/cisco/enic/vnic_cq.c
new file mode 100644
index 00000000000..0daa1c7073c
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_cq.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+void vnic_cq_free(struct vnic_cq *cq)
+{
+	vnic_dev_free_desc_ring(cq->vdev, &cq->ring);
+
+	cq->ctrl = NULL;
+}
+
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+	unsigned int desc_count, unsigned int desc_size)
+{
+	int err;
+
+	cq->index = index;
+	cq->vdev = vdev;
+
+	cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index);
+	if (!cq->ctrl) {
+		pr_err("Failed to hook CQ[%d] resource\n", index);
+		return -EINVAL;
+	}
+
+	err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+	unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+	unsigned int cq_tail_color, unsigned int interrupt_enable,
+	unsigned int cq_entry_enable, unsigned int cq_message_enable,
+	unsigned int interrupt_offset, u64 cq_message_addr)
+{
+	u64 paddr;
+
+	paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET;
+	writeq(paddr, &cq->ctrl->ring_base);
+	iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size);
+	iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable);
+	iowrite32(color_enable, &cq->ctrl->color_enable);
+	iowrite32(cq_head, &cq->ctrl->cq_head);
+	iowrite32(cq_tail, &cq->ctrl->cq_tail);
+	iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color);
+	iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable);
+	iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable);
+	iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable);
+	iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset);
+	writeq(cq_message_addr, &cq->ctrl->cq_message_addr);
+
+	cq->interrupt_offset = interrupt_offset;
+}
+
+void vnic_cq_clean(struct vnic_cq *cq)
+{
+	cq->to_clean = 0;
+	cq->last_color = 0;
+
+	iowrite32(0, &cq->ctrl->cq_head);
+	iowrite32(0, &cq->ctrl->cq_tail);
+	iowrite32(1, &cq->ctrl->cq_tail_color);
+
+	vnic_dev_clear_desc_ring(&cq->ring);
+}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_cq.h b/drivers/net/ethernet/cisco/enic/vnic_cq.h
new file mode 100644
index 00000000000..579315cbe80
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_cq.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_CQ_H_
+#define _VNIC_CQ_H_
+
+#include "cq_desc.h"
+#include "vnic_dev.h"
+
+/* Completion queue control */
+struct vnic_cq_ctrl {
+	u64 ring_base;			/* 0x00 */
+	u32 ring_size;			/* 0x08 */
+	u32 pad0;
+	u32 flow_control_enable;	/* 0x10 */
+	u32 pad1;
+	u32 color_enable;		/* 0x18 */
+	u32 pad2;
+	u32 cq_head;			/* 0x20 */
+	u32 pad3;
+	u32 cq_tail;			/* 0x28 */
+	u32 pad4;
+	u32 cq_tail_color;		/* 0x30 */
+	u32 pad5;
+	u32 interrupt_enable;		/* 0x38 */
+	u32 pad6;
+	u32 cq_entry_enable;		/* 0x40 */
+	u32 pad7;
+	u32 cq_message_enable;		/* 0x48 */
+	u32 pad8;
+	u32 interrupt_offset;		/* 0x50 */
+	u32 pad9;
+	u64 cq_message_addr;		/* 0x58 */
+	u32 pad10;
+};
+
+struct vnic_cq {
+	unsigned int index;
+	struct vnic_dev *vdev;
+	struct vnic_cq_ctrl __iomem *ctrl;              /* memory-mapped */
+	struct vnic_dev_ring ring;
+	unsigned int to_clean;
+	unsigned int last_color;
+	unsigned int interrupt_offset;
+};
+
+static inline unsigned int vnic_cq_service(struct vnic_cq *cq,
+	unsigned int work_to_do,
+	int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc,
+	u8 type, u16 q_number, u16 completed_index, void *opaque),
+	void *opaque)
+{
+	struct cq_desc *cq_desc;
+	unsigned int work_done = 0;
+	u16 q_number, completed_index;
+	u8 type, color;
+
+	cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+		cq->ring.desc_size * cq->to_clean);
+	cq_desc_dec(cq_desc, &type, &color,
+		&q_number, &completed_index);
+
+	while (color != cq->last_color) {
+
+		if ((*q_service)(cq->vdev, cq_desc, type,
+			q_number, completed_index, opaque))
+			break;
+
+		cq->to_clean++;
+		if (cq->to_clean == cq->ring.desc_count) {
+			cq->to_clean = 0;
+			cq->last_color = cq->last_color ? 0 : 1;
+		}
+
+		cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs +
+			cq->ring.desc_size * cq->to_clean);
+		cq_desc_dec(cq_desc, &type, &color,
+			&q_number, &completed_index);
+
+		work_done++;
+		if (work_done >= work_to_do)
+			break;
+	}
+
+	return work_done;
+}
+
+void vnic_cq_free(struct vnic_cq *cq);
+int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
+	unsigned int desc_count, unsigned int desc_size);
+void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
+	unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
+	unsigned int cq_tail_color, unsigned int interrupt_enable,
+	unsigned int cq_entry_enable, unsigned int message_enable,
+	unsigned int interrupt_offset, u64 message_addr);
+void vnic_cq_clean(struct vnic_cq *cq);
+
+#endif /* _VNIC_CQ_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.c b/drivers/net/ethernet/cisco/enic/vnic_dev.c
new file mode 100644
index 00000000000..8c4c8cf486f
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_dev.c
@@ -0,0 +1,1003 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/if_ether.h>
+
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+#include "vnic_dev.h"
+#include "vnic_stats.h"
+
+enum vnic_proxy_type {
+	PROXY_NONE,
+	PROXY_BY_BDF,
+};
+
+struct vnic_res {
+	void __iomem *vaddr;
+	dma_addr_t bus_addr;
+	unsigned int count;
+};
+
+struct vnic_intr_coal_timer_info {
+	u32 mul;
+	u32 div;
+	u32 max_usec;
+};
+
+struct vnic_dev {
+	void *priv;
+	struct pci_dev *pdev;
+	struct vnic_res res[RES_TYPE_MAX];
+	enum vnic_dev_intr_mode intr_mode;
+	struct vnic_devcmd __iomem *devcmd;
+	struct vnic_devcmd_notify *notify;
+	struct vnic_devcmd_notify notify_copy;
+	dma_addr_t notify_pa;
+	u32 notify_sz;
+	dma_addr_t linkstatus_pa;
+	struct vnic_stats *stats;
+	dma_addr_t stats_pa;
+	struct vnic_devcmd_fw_info *fw_info;
+	dma_addr_t fw_info_pa;
+	enum vnic_proxy_type proxy;
+	u32 proxy_index;
+	u64 args[VNIC_DEVCMD_NARGS];
+	struct vnic_intr_coal_timer_info intr_coal_timer_info;
+};
+
+#define VNIC_MAX_RES_HDR_SIZE \
+	(sizeof(struct vnic_resource_header) + \
+	sizeof(struct vnic_resource) * RES_TYPE_MAX)
+#define VNIC_RES_STRIDE	128
+
+void *vnic_dev_priv(struct vnic_dev *vdev)
+{
+	return vdev->priv;
+}
+
+static int vnic_dev_discover_res(struct vnic_dev *vdev,
+	struct vnic_dev_bar *bar, unsigned int num_bars)
+{
+	struct vnic_resource_header __iomem *rh;
+	struct mgmt_barmap_hdr __iomem *mrh;
+	struct vnic_resource __iomem *r;
+	u8 type;
+
+	if (num_bars == 0)
+		return -EINVAL;
+
+	if (bar->len < VNIC_MAX_RES_HDR_SIZE) {
+		pr_err("vNIC BAR0 res hdr length error\n");
+		return -EINVAL;
+	}
+
+	rh  = bar->vaddr;
+	mrh = bar->vaddr;
+	if (!rh) {
+		pr_err("vNIC BAR0 res hdr not mem-mapped\n");
+		return -EINVAL;
+	}
+
+	/* Check for mgmt vnic in addition to normal vnic */
+	if ((ioread32(&rh->magic) != VNIC_RES_MAGIC) ||
+		(ioread32(&rh->version) != VNIC_RES_VERSION)) {
+		if ((ioread32(&mrh->magic) != MGMTVNIC_MAGIC) ||
+			(ioread32(&mrh->version) != MGMTVNIC_VERSION)) {
+			pr_err("vNIC BAR0 res magic/version error "
+			"exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n",
+			VNIC_RES_MAGIC, VNIC_RES_VERSION,
+			MGMTVNIC_MAGIC, MGMTVNIC_VERSION,
+			ioread32(&rh->magic), ioread32(&rh->version));
+			return -EINVAL;
+		}
+	}
+
+	if (ioread32(&mrh->magic) == MGMTVNIC_MAGIC)
+		r = (struct vnic_resource __iomem *)(mrh + 1);
+	else
+		r = (struct vnic_resource __iomem *)(rh + 1);
+
+
+	while ((type = ioread8(&r->type)) != RES_TYPE_EOL) {
+
+		u8 bar_num = ioread8(&r->bar);
+		u32 bar_offset = ioread32(&r->bar_offset);
+		u32 count = ioread32(&r->count);
+		u32 len;
+
+		r++;
+
+		if (bar_num >= num_bars)
+			continue;
+
+		if (!bar[bar_num].len || !bar[bar_num].vaddr)
+			continue;
+
+		switch (type) {
+		case RES_TYPE_WQ:
+		case RES_TYPE_RQ:
+		case RES_TYPE_CQ:
+		case RES_TYPE_INTR_CTRL:
+			/* each count is stride bytes long */
+			len = count * VNIC_RES_STRIDE;
+			if (len + bar_offset > bar[bar_num].len) {
+				pr_err("vNIC BAR0 resource %d "
+					"out-of-bounds, offset 0x%x + "
+					"size 0x%x > bar len 0x%lx\n",
+					type, bar_offset,
+					len,
+					bar[bar_num].len);
+				return -EINVAL;
+			}
+			break;
+		case RES_TYPE_INTR_PBA_LEGACY:
+		case RES_TYPE_DEVCMD:
+			len = count;
+			break;
+		default:
+			continue;
+		}
+
+		vdev->res[type].count = count;
+		vdev->res[type].vaddr = (char __iomem *)bar[bar_num].vaddr +
+			bar_offset;
+		vdev->res[type].bus_addr = bar[bar_num].bus_addr + bar_offset;
+	}
+
+	return 0;
+}
+
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+	enum vnic_res_type type)
+{
+	return vdev->res[type].count;
+}
+
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+	unsigned int index)
+{
+	if (!vdev->res[type].vaddr)
+		return NULL;
+
+	switch (type) {
+	case RES_TYPE_WQ:
+	case RES_TYPE_RQ:
+	case RES_TYPE_CQ:
+	case RES_TYPE_INTR_CTRL:
+		return (char __iomem *)vdev->res[type].vaddr +
+			index * VNIC_RES_STRIDE;
+	default:
+		return (char __iomem *)vdev->res[type].vaddr;
+	}
+}
+
+static unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
+	unsigned int desc_count, unsigned int desc_size)
+{
+	/* The base address of the desc rings must be 512 byte aligned.
+	 * Descriptor count is aligned to groups of 32 descriptors.  A
+	 * count of 0 means the maximum 4096 descriptors.  Descriptor
+	 * size is aligned to 16 bytes.
+	 */
+
+	unsigned int count_align = 32;
+	unsigned int desc_align = 16;
+
+	ring->base_align = 512;
+
+	if (desc_count == 0)
+		desc_count = 4096;
+
+	ring->desc_count = ALIGN(desc_count, count_align);
+
+	ring->desc_size = ALIGN(desc_size, desc_align);
+
+	ring->size = ring->desc_count * ring->desc_size;
+	ring->size_unaligned = ring->size + ring->base_align;
+
+	return ring->size_unaligned;
+}
+
+void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring)
+{
+	memset(ring->descs, 0, ring->size);
+}
+
+int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+	unsigned int desc_count, unsigned int desc_size)
+{
+	vnic_dev_desc_ring_size(ring, desc_count, desc_size);
+
+	ring->descs_unaligned = pci_alloc_consistent(vdev->pdev,
+		ring->size_unaligned,
+		&ring->base_addr_unaligned);
+
+	if (!ring->descs_unaligned) {
+		pr_err("Failed to allocate ring (size=%d), aborting\n",
+			(int)ring->size);
+		return -ENOMEM;
+	}
+
+	ring->base_addr = ALIGN(ring->base_addr_unaligned,
+		ring->base_align);
+	ring->descs = (u8 *)ring->descs_unaligned +
+		(ring->base_addr - ring->base_addr_unaligned);
+
+	vnic_dev_clear_desc_ring(ring);
+
+	ring->desc_avail = ring->desc_count - 1;
+
+	return 0;
+}
+
+void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring)
+{
+	if (ring->descs) {
+		pci_free_consistent(vdev->pdev,
+			ring->size_unaligned,
+			ring->descs_unaligned,
+			ring->base_addr_unaligned);
+		ring->descs = NULL;
+	}
+}
+
+static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+	int wait)
+{
+	struct vnic_devcmd __iomem *devcmd = vdev->devcmd;
+	unsigned int i;
+	int delay;
+	u32 status;
+	int err;
+
+	status = ioread32(&devcmd->status);
+	if (status == 0xFFFFFFFF) {
+		/* PCI-e target device is gone */
+		return -ENODEV;
+	}
+	if (status & STAT_BUSY) {
+		pr_err("Busy devcmd %d\n", _CMD_N(cmd));
+		return -EBUSY;
+	}
+
+	if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) {
+		for (i = 0; i < VNIC_DEVCMD_NARGS; i++)
+			writeq(vdev->args[i], &devcmd->args[i]);
+		wmb();
+	}
+
+	iowrite32(cmd, &devcmd->cmd);
+
+	if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT))
+		return 0;
+
+	for (delay = 0; delay < wait; delay++) {
+
+		udelay(100);
+
+		status = ioread32(&devcmd->status);
+		if (status == 0xFFFFFFFF) {
+			/* PCI-e target device is gone */
+			return -ENODEV;
+		}
+
+		if (!(status & STAT_BUSY)) {
+
+			if (status & STAT_ERROR) {
+				err = (int)readq(&devcmd->args[0]);
+				if (err != ERR_ECMDUNKNOWN ||
+				    cmd != CMD_CAPABILITY)
+					pr_err("Error %d devcmd %d\n",
+						err, _CMD_N(cmd));
+				return err;
+			}
+
+			if (_CMD_DIR(cmd) & _CMD_DIR_READ) {
+				rmb();
+				for (i = 0; i < VNIC_DEVCMD_NARGS; i++)
+					vdev->args[i] = readq(&devcmd->args[i]);
+			}
+
+			return 0;
+		}
+	}
+
+	pr_err("Timedout devcmd %d\n", _CMD_N(cmd));
+	return -ETIMEDOUT;
+}
+
+static int vnic_dev_cmd_proxy_by_bdf(struct vnic_dev *vdev,
+	enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait)
+{
+	u32 status;
+	int err;
+
+	memset(vdev->args, 0, sizeof(vdev->args));
+
+	vdev->args[0] = vdev->proxy_index; /* bdf */
+	vdev->args[1] = cmd;
+	vdev->args[2] = *a0;
+	vdev->args[3] = *a1;
+
+	err = _vnic_dev_cmd(vdev, CMD_PROXY_BY_BDF, wait);
+	if (err)
+		return err;
+
+	status = (u32)vdev->args[0];
+	if (status & STAT_ERROR) {
+		err = (int)vdev->args[1];
+		if (err != ERR_ECMDUNKNOWN ||
+		    cmd != CMD_CAPABILITY)
+			pr_err("Error %d proxy devcmd %d\n", err, _CMD_N(cmd));
+		return err;
+	}
+
+	*a0 = vdev->args[1];
+	*a1 = vdev->args[2];
+
+	return 0;
+}
+
+static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev,
+	enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait)
+{
+	int err;
+
+	vdev->args[0] = *a0;
+	vdev->args[1] = *a1;
+
+	err = _vnic_dev_cmd(vdev, cmd, wait);
+
+	*a0 = vdev->args[0];
+	*a1 = vdev->args[1];
+
+	return err;
+}
+
+int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+	u64 *a0, u64 *a1, int wait)
+{
+	memset(vdev->args, 0, sizeof(vdev->args));
+
+	switch (vdev->proxy) {
+	case PROXY_BY_BDF:
+		return vnic_dev_cmd_proxy_by_bdf(vdev, cmd, a0, a1, wait);
+	case PROXY_NONE:
+	default:
+		return vnic_dev_cmd_no_proxy(vdev, cmd, a0, a1, wait);
+	}
+}
+
+static int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd)
+{
+	u64 a0 = (u32)cmd, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait);
+
+	return !(err || a0);
+}
+
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+	struct vnic_devcmd_fw_info **fw_info)
+{
+	u64 a0, a1 = 0;
+	int wait = 1000;
+	int err = 0;
+
+	if (!vdev->fw_info) {
+		vdev->fw_info = pci_alloc_consistent(vdev->pdev,
+			sizeof(struct vnic_devcmd_fw_info),
+			&vdev->fw_info_pa);
+		if (!vdev->fw_info)
+			return -ENOMEM;
+
+		memset(vdev->fw_info, 0, sizeof(struct vnic_devcmd_fw_info));
+
+		a0 = vdev->fw_info_pa;
+		a1 = sizeof(struct vnic_devcmd_fw_info);
+
+		/* only get fw_info once and cache it */
+		err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait);
+		if (err == ERR_ECMDUNKNOWN) {
+			err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO_OLD,
+				&a0, &a1, wait);
+		}
+	}
+
+	*fw_info = vdev->fw_info;
+
+	return err;
+}
+
+int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
+	void *value)
+{
+	u64 a0, a1;
+	int wait = 1000;
+	int err;
+
+	a0 = offset;
+	a1 = size;
+
+	err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait);
+
+	switch (size) {
+	case 1: *(u8 *)value = (u8)a0; break;
+	case 2: *(u16 *)value = (u16)a0; break;
+	case 4: *(u32 *)value = (u32)a0; break;
+	case 8: *(u64 *)value = a0; break;
+	default: BUG(); break;
+	}
+
+	return err;
+}
+
+int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
+{
+	u64 a0, a1;
+	int wait = 1000;
+
+	if (!vdev->stats) {
+		vdev->stats = pci_alloc_consistent(vdev->pdev,
+			sizeof(struct vnic_stats), &vdev->stats_pa);
+		if (!vdev->stats)
+			return -ENOMEM;
+	}
+
+	*stats = vdev->stats;
+	a0 = vdev->stats_pa;
+	a1 = sizeof(struct vnic_stats);
+
+	return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait);
+}
+
+int vnic_dev_close(struct vnic_dev *vdev)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait);
+}
+
+int vnic_dev_enable_wait(struct vnic_dev *vdev)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	err = vnic_dev_cmd(vdev, CMD_ENABLE_WAIT, &a0, &a1, wait);
+	if (err == ERR_ECMDUNKNOWN)
+		return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait);
+
+	return err;
+}
+
+int vnic_dev_disable(struct vnic_dev *vdev)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait);
+}
+
+int vnic_dev_open(struct vnic_dev *vdev, int arg)
+{
+	u64 a0 = (u32)arg, a1 = 0;
+	int wait = 1000;
+	return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait);
+}
+
+int vnic_dev_open_done(struct vnic_dev *vdev, int *done)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	*done = 0;
+
+	err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait);
+	if (err)
+		return err;
+
+	*done = (a0 == 0);
+
+	return 0;
+}
+
+static int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg)
+{
+	u64 a0 = (u32)arg, a1 = 0;
+	int wait = 1000;
+	return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait);
+}
+
+static int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	*done = 0;
+
+	err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait);
+	if (err)
+		return err;
+
+	*done = (a0 == 0);
+
+	return 0;
+}
+
+int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg)
+{
+	u64 a0 = (u32)arg, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	err = vnic_dev_cmd(vdev, CMD_HANG_RESET, &a0, &a1, wait);
+	if (err == ERR_ECMDUNKNOWN) {
+		err = vnic_dev_soft_reset(vdev, arg);
+		if (err)
+			return err;
+
+		return vnic_dev_init(vdev, 0);
+	}
+
+	return err;
+}
+
+int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	*done = 0;
+
+	err = vnic_dev_cmd(vdev, CMD_HANG_RESET_STATUS, &a0, &a1, wait);
+	if (err) {
+		if (err == ERR_ECMDUNKNOWN)
+			return vnic_dev_soft_reset_done(vdev, done);
+		return err;
+	}
+
+	*done = (a0 == 0);
+
+	return 0;
+}
+
+int vnic_dev_hang_notify(struct vnic_dev *vdev)
+{
+	u64 a0, a1;
+	int wait = 1000;
+	return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait);
+}
+
+int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
+{
+	u64 a0, a1;
+	int wait = 1000;
+	int err, i;
+
+	for (i = 0; i < ETH_ALEN; i++)
+		mac_addr[i] = 0;
+
+	err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait);
+	if (err)
+		return err;
+
+	for (i = 0; i < ETH_ALEN; i++)
+		mac_addr[i] = ((u8 *)&a0)[i];
+
+	return 0;
+}
+
+int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
+	int broadcast, int promisc, int allmulti)
+{
+	u64 a0, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	a0 = (directed ? CMD_PFILTER_DIRECTED : 0) |
+	     (multicast ? CMD_PFILTER_MULTICAST : 0) |
+	     (broadcast ? CMD_PFILTER_BROADCAST : 0) |
+	     (promisc ? CMD_PFILTER_PROMISCUOUS : 0) |
+	     (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0);
+
+	err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait);
+	if (err)
+		pr_err("Can't set packet filter\n");
+
+	return err;
+}
+
+int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	int err;
+	int i;
+
+	for (i = 0; i < ETH_ALEN; i++)
+		((u8 *)&a0)[i] = addr[i];
+
+	err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
+	if (err)
+		pr_err("Can't add addr [%pM], %d\n", addr, err);
+
+	return err;
+}
+
+int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+	int err;
+	int i;
+
+	for (i = 0; i < ETH_ALEN; i++)
+		((u8 *)&a0)[i] = addr[i];
+
+	err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait);
+	if (err)
+		pr_err("Can't del addr [%pM], %d\n", addr, err);
+
+	return err;
+}
+
+int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
+	u8 ig_vlan_rewrite_mode)
+{
+	u64 a0 = ig_vlan_rewrite_mode, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	err = vnic_dev_cmd(vdev, CMD_IG_VLAN_REWRITE_MODE, &a0, &a1, wait);
+	if (err == ERR_ECMDUNKNOWN)
+		return 0;
+
+	return err;
+}
+
+static int vnic_dev_notify_setcmd(struct vnic_dev *vdev,
+	void *notify_addr, dma_addr_t notify_pa, u16 intr)
+{
+	u64 a0, a1;
+	int wait = 1000;
+	int r;
+
+	memset(notify_addr, 0, sizeof(struct vnic_devcmd_notify));
+	vdev->notify = notify_addr;
+	vdev->notify_pa = notify_pa;
+
+	a0 = (u64)notify_pa;
+	a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL;
+	a1 += sizeof(struct vnic_devcmd_notify);
+
+	r = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
+	vdev->notify_sz = (r == 0) ? (u32)a1 : 0;
+	return r;
+}
+
+int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
+{
+	void *notify_addr;
+	dma_addr_t notify_pa;
+
+	if (vdev->notify || vdev->notify_pa) {
+		pr_err("notify block %p still allocated", vdev->notify);
+		return -EINVAL;
+	}
+
+	notify_addr = pci_alloc_consistent(vdev->pdev,
+			sizeof(struct vnic_devcmd_notify),
+			&notify_pa);
+	if (!notify_addr)
+		return -ENOMEM;
+
+	return vnic_dev_notify_setcmd(vdev, notify_addr, notify_pa, intr);
+}
+
+static int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev)
+{
+	u64 a0, a1;
+	int wait = 1000;
+	int err;
+
+	a0 = 0;  /* paddr = 0 to unset notify buffer */
+	a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */
+	a1 += sizeof(struct vnic_devcmd_notify);
+
+	err = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
+	vdev->notify = NULL;
+	vdev->notify_pa = 0;
+	vdev->notify_sz = 0;
+
+	return err;
+}
+
+int vnic_dev_notify_unset(struct vnic_dev *vdev)
+{
+	if (vdev->notify) {
+		pci_free_consistent(vdev->pdev,
+			sizeof(struct vnic_devcmd_notify),
+			vdev->notify,
+			vdev->notify_pa);
+	}
+
+	return vnic_dev_notify_unsetcmd(vdev);
+}
+
+static int vnic_dev_notify_ready(struct vnic_dev *vdev)
+{
+	u32 *words;
+	unsigned int nwords = vdev->notify_sz / 4;
+	unsigned int i;
+	u32 csum;
+
+	if (!vdev->notify || !vdev->notify_sz)
+		return 0;
+
+	do {
+		csum = 0;
+		memcpy(&vdev->notify_copy, vdev->notify, vdev->notify_sz);
+		words = (u32 *)&vdev->notify_copy;
+		for (i = 1; i < nwords; i++)
+			csum += words[i];
+	} while (csum != words[0]);
+
+	return 1;
+}
+
+int vnic_dev_init(struct vnic_dev *vdev, int arg)
+{
+	u64 a0 = (u32)arg, a1 = 0;
+	int wait = 1000;
+	int r = 0;
+
+	if (vnic_dev_capable(vdev, CMD_INIT))
+		r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
+	else {
+		vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait);
+		if (a0 & CMD_INITF_DEFAULT_MAC) {
+			/* Emulate these for old CMD_INIT_v1 which
+			 * didn't pass a0 so no CMD_INITF_*.
+			 */
+			vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait);
+			vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
+		}
+	}
+	return r;
+}
+
+int vnic_dev_deinit(struct vnic_dev *vdev)
+{
+	u64 a0 = 0, a1 = 0;
+	int wait = 1000;
+
+	return vnic_dev_cmd(vdev, CMD_DEINIT, &a0, &a1, wait);
+}
+
+void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev)
+{
+	/* Default: hardware intr coal timer is in units of 1.5 usecs */
+	vdev->intr_coal_timer_info.mul = 2;
+	vdev->intr_coal_timer_info.div = 3;
+	vdev->intr_coal_timer_info.max_usec =
+		vnic_dev_intr_coal_timer_hw_to_usec(vdev, 0xffff);
+}
+
+int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev)
+{
+	int wait = 1000;
+	int err;
+
+	memset(vdev->args, 0, sizeof(vdev->args));
+
+	err = _vnic_dev_cmd(vdev, CMD_INTR_COAL_CONVERT, wait);
+
+	/* Use defaults when firmware doesn't support the devcmd at all or
+	 * supports it for only specific hardware
+	 */
+	if ((err == ERR_ECMDUNKNOWN) ||
+		(!err && !(vdev->args[0] && vdev->args[1] && vdev->args[2]))) {
+		pr_warning("Using default conversion factor for "
+			"interrupt coalesce timer\n");
+		vnic_dev_intr_coal_timer_info_default(vdev);
+		return 0;
+	}
+
+	vdev->intr_coal_timer_info.mul = (u32) vdev->args[0];
+	vdev->intr_coal_timer_info.div = (u32) vdev->args[1];
+	vdev->intr_coal_timer_info.max_usec = (u32) vdev->args[2];
+
+	return err;
+}
+
+int vnic_dev_link_status(struct vnic_dev *vdev)
+{
+	if (!vnic_dev_notify_ready(vdev))
+		return 0;
+
+	return vdev->notify_copy.link_state;
+}
+
+u32 vnic_dev_port_speed(struct vnic_dev *vdev)
+{
+	if (!vnic_dev_notify_ready(vdev))
+		return 0;
+
+	return vdev->notify_copy.port_speed;
+}
+
+u32 vnic_dev_msg_lvl(struct vnic_dev *vdev)
+{
+	if (!vnic_dev_notify_ready(vdev))
+		return 0;
+
+	return vdev->notify_copy.msglvl;
+}
+
+u32 vnic_dev_mtu(struct vnic_dev *vdev)
+{
+	if (!vnic_dev_notify_ready(vdev))
+		return 0;
+
+	return vdev->notify_copy.mtu;
+}
+
+void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
+	enum vnic_dev_intr_mode intr_mode)
+{
+	vdev->intr_mode = intr_mode;
+}
+
+enum vnic_dev_intr_mode vnic_dev_get_intr_mode(
+	struct vnic_dev *vdev)
+{
+	return vdev->intr_mode;
+}
+
+u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec)
+{
+	return (usec * vdev->intr_coal_timer_info.mul) /
+		vdev->intr_coal_timer_info.div;
+}
+
+u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles)
+{
+	return (hw_cycles * vdev->intr_coal_timer_info.div) /
+		vdev->intr_coal_timer_info.mul;
+}
+
+u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev)
+{
+	return vdev->intr_coal_timer_info.max_usec;
+}
+
+void vnic_dev_unregister(struct vnic_dev *vdev)
+{
+	if (vdev) {
+		if (vdev->notify)
+			pci_free_consistent(vdev->pdev,
+				sizeof(struct vnic_devcmd_notify),
+				vdev->notify,
+				vdev->notify_pa);
+		if (vdev->stats)
+			pci_free_consistent(vdev->pdev,
+				sizeof(struct vnic_stats),
+				vdev->stats, vdev->stats_pa);
+		if (vdev->fw_info)
+			pci_free_consistent(vdev->pdev,
+				sizeof(struct vnic_devcmd_fw_info),
+				vdev->fw_info, vdev->fw_info_pa);
+		kfree(vdev);
+	}
+}
+
+struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
+	void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
+	unsigned int num_bars)
+{
+	if (!vdev) {
+		vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC);
+		if (!vdev)
+			return NULL;
+	}
+
+	vdev->priv = priv;
+	vdev->pdev = pdev;
+
+	if (vnic_dev_discover_res(vdev, bar, num_bars))
+		goto err_out;
+
+	vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
+	if (!vdev->devcmd)
+		goto err_out;
+
+	return vdev;
+
+err_out:
+	vnic_dev_unregister(vdev);
+	return NULL;
+}
+
+int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len)
+{
+	u64 a0, a1 = len;
+	int wait = 1000;
+	dma_addr_t prov_pa;
+	void *prov_buf;
+	int ret;
+
+	prov_buf = pci_alloc_consistent(vdev->pdev, len, &prov_pa);
+	if (!prov_buf)
+		return -ENOMEM;
+
+	memcpy(prov_buf, buf, len);
+
+	a0 = prov_pa;
+
+	ret = vnic_dev_cmd(vdev, CMD_INIT_PROV_INFO2, &a0, &a1, wait);
+
+	pci_free_consistent(vdev->pdev, len, prov_buf, prov_pa);
+
+	return ret;
+}
+
+int vnic_dev_enable2(struct vnic_dev *vdev, int active)
+{
+	u64 a0, a1 = 0;
+	int wait = 1000;
+
+	a0 = (active ? CMD_ENABLE2_ACTIVE : 0);
+
+	return vnic_dev_cmd(vdev, CMD_ENABLE2, &a0, &a1, wait);
+}
+
+static int vnic_dev_cmd_status(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+	int *status)
+{
+	u64 a0 = cmd, a1 = 0;
+	int wait = 1000;
+	int ret;
+
+	ret = vnic_dev_cmd(vdev, CMD_STATUS, &a0, &a1, wait);
+	if (!ret)
+		*status = (int)a0;
+
+	return ret;
+}
+
+int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status)
+{
+	return vnic_dev_cmd_status(vdev, CMD_ENABLE2, status);
+}
+
+int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status)
+{
+	return vnic_dev_cmd_status(vdev, CMD_DEINIT, status);
+}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.h b/drivers/net/ethernet/cisco/enic/vnic_dev.h
new file mode 100644
index 00000000000..852b698fbe7
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_dev.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_DEV_H_
+#define _VNIC_DEV_H_
+
+#include "vnic_resource.h"
+#include "vnic_devcmd.h"
+
+#ifndef VNIC_PADDR_TARGET
+#define VNIC_PADDR_TARGET	0x0000000000000000ULL
+#endif
+
+#ifndef readq
+static inline u64 readq(void __iomem *reg)
+{
+	return (((u64)readl(reg + 0x4UL) << 32) |
+		(u64)readl(reg));
+}
+
+static inline void writeq(u64 val, void __iomem *reg)
+{
+	writel(val & 0xffffffff, reg);
+	writel(val >> 32, reg + 0x4UL);
+}
+#endif
+
+#undef pr_fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+enum vnic_dev_intr_mode {
+	VNIC_DEV_INTR_MODE_UNKNOWN,
+	VNIC_DEV_INTR_MODE_INTX,
+	VNIC_DEV_INTR_MODE_MSI,
+	VNIC_DEV_INTR_MODE_MSIX,
+};
+
+struct vnic_dev_bar {
+	void __iomem *vaddr;
+	dma_addr_t bus_addr;
+	unsigned long len;
+};
+
+struct vnic_dev_ring {
+	void *descs;
+	size_t size;
+	dma_addr_t base_addr;
+	size_t base_align;
+	void *descs_unaligned;
+	size_t size_unaligned;
+	dma_addr_t base_addr_unaligned;
+	unsigned int desc_size;
+	unsigned int desc_count;
+	unsigned int desc_avail;
+};
+
+struct vnic_dev;
+struct vnic_stats;
+
+void *vnic_dev_priv(struct vnic_dev *vdev);
+unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
+	enum vnic_res_type type);
+void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
+	unsigned int index);
+void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
+int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
+	unsigned int desc_count, unsigned int desc_size);
+void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
+	struct vnic_dev_ring *ring);
+int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+	u64 *a0, u64 *a1, int wait);
+int vnic_dev_fw_info(struct vnic_dev *vdev,
+	struct vnic_devcmd_fw_info **fw_info);
+int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
+	void *value);
+int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
+int vnic_dev_hang_notify(struct vnic_dev *vdev);
+int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
+	int broadcast, int promisc, int allmulti);
+int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
+int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
+int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
+int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
+int vnic_dev_notify_unset(struct vnic_dev *vdev);
+int vnic_dev_link_status(struct vnic_dev *vdev);
+u32 vnic_dev_port_speed(struct vnic_dev *vdev);
+u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
+u32 vnic_dev_mtu(struct vnic_dev *vdev);
+int vnic_dev_close(struct vnic_dev *vdev);
+int vnic_dev_enable_wait(struct vnic_dev *vdev);
+int vnic_dev_disable(struct vnic_dev *vdev);
+int vnic_dev_open(struct vnic_dev *vdev, int arg);
+int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
+int vnic_dev_init(struct vnic_dev *vdev, int arg);
+int vnic_dev_deinit(struct vnic_dev *vdev);
+void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
+int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
+int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
+int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
+void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
+	enum vnic_dev_intr_mode intr_mode);
+enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
+u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
+u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
+u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
+void vnic_dev_unregister(struct vnic_dev *vdev);
+int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
+	u8 ig_vlan_rewrite_mode);
+struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
+	void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
+	unsigned int num_bars);
+int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
+int vnic_dev_enable2(struct vnic_dev *vdev, int active);
+int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
+int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
+
+#endif /* _VNIC_DEV_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
new file mode 100644
index 00000000000..8025e8808d6
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
@@ -0,0 +1,450 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_DEVCMD_H_
+#define _VNIC_DEVCMD_H_
+
+#define _CMD_NBITS      14
+#define _CMD_VTYPEBITS	10
+#define _CMD_FLAGSBITS  6
+#define _CMD_DIRBITS	2
+
+#define _CMD_NMASK      ((1 << _CMD_NBITS)-1)
+#define _CMD_VTYPEMASK  ((1 << _CMD_VTYPEBITS)-1)
+#define _CMD_FLAGSMASK  ((1 << _CMD_FLAGSBITS)-1)
+#define _CMD_DIRMASK    ((1 << _CMD_DIRBITS)-1)
+
+#define _CMD_NSHIFT     0
+#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
+#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
+#define _CMD_DIRSHIFT   (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
+
+/*
+ * Direction bits (from host perspective).
+ */
+#define _CMD_DIR_NONE   0U
+#define _CMD_DIR_WRITE  1U
+#define _CMD_DIR_READ   2U
+#define _CMD_DIR_RW     (_CMD_DIR_WRITE | _CMD_DIR_READ)
+
+/*
+ * Flag bits.
+ */
+#define _CMD_FLAGS_NONE 0U
+#define _CMD_FLAGS_NOWAIT 1U
+
+/*
+ * vNIC type bits.
+ */
+#define _CMD_VTYPE_NONE  0U
+#define _CMD_VTYPE_ENET  1U
+#define _CMD_VTYPE_FC    2U
+#define _CMD_VTYPE_SCSI  4U
+#define _CMD_VTYPE_ALL   (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
+
+/*
+ * Used to create cmds..
+*/
+#define _CMDCF(dir, flags, vtype, nr)  \
+	(((dir)   << _CMD_DIRSHIFT) | \
+	((flags) << _CMD_FLAGSSHIFT) | \
+	((vtype) << _CMD_VTYPESHIFT) | \
+	((nr)    << _CMD_NSHIFT))
+#define _CMDC(dir, vtype, nr)    _CMDCF(dir, 0, vtype, nr)
+#define _CMDCNW(dir, vtype, nr)  _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
+
+/*
+ * Used to decode cmds..
+*/
+#define _CMD_DIR(cmd)            (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
+#define _CMD_FLAGS(cmd)          (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
+#define _CMD_VTYPE(cmd)          (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
+#define _CMD_N(cmd)              (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
+
+enum vnic_devcmd_cmd {
+	CMD_NONE                = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
+
+	/*
+	 * mcpu fw info in mem:
+	 * in:
+	 *   (u64)a0=paddr to struct vnic_devcmd_fw_info
+	 * action:
+	 *   Fills in struct vnic_devcmd_fw_info (128 bytes)
+	 * note:
+	 *   An old definition of CMD_MCPU_FW_INFO
+	 */
+	CMD_MCPU_FW_INFO_OLD    = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
+
+	/*
+	 * mcpu fw info in mem:
+	 * in:
+	 *   (u64)a0=paddr to struct vnic_devcmd_fw_info
+	 *   (u16)a1=size of the structure
+	 * out:
+	 *	 (u16)a1=0                          for in:a1 = 0,
+	 *	         data size actually written for other values.
+	 * action:
+	 *   Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0,
+	 *            first in:a1 bytes               for 0 < in:a1 <= 132,
+	 *            132 bytes                       for other values of in:a1.
+	 * note:
+	 *   CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1
+	 *   for source compatibility.
+	 */
+	CMD_MCPU_FW_INFO        = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1),
+
+	/* dev-specific block member:
+	 *    in: (u16)a0=offset,(u8)a1=size
+	 *    out: a0=value */
+	CMD_DEV_SPEC            = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
+
+	/* stats clear */
+	CMD_STATS_CLEAR         = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
+
+	/* stats dump in mem: (u64)a0=paddr to stats area,
+	 *                    (u16)a1=sizeof stats area */
+	CMD_STATS_DUMP          = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
+
+	/* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
+	CMD_PACKET_FILTER	= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
+
+	/* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */
+	CMD_PACKET_FILTER_ALL   = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),
+
+	/* hang detection notification */
+	CMD_HANG_NOTIFY         = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
+
+	/* MAC address in (u48)a0 */
+	CMD_MAC_ADDR            = _CMDC(_CMD_DIR_READ,
+					_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
+
+	/* add addr from (u48)a0 */
+	CMD_ADDR_ADD            = _CMDCNW(_CMD_DIR_WRITE,
+					_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
+
+	/* del addr from (u48)a0 */
+	CMD_ADDR_DEL            = _CMDCNW(_CMD_DIR_WRITE,
+					_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
+
+	/* add VLAN id in (u16)a0 */
+	CMD_VLAN_ADD            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
+
+	/* del VLAN id in (u16)a0 */
+	CMD_VLAN_DEL            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
+
+	/* nic_cfg in (u32)a0 */
+	CMD_NIC_CFG             = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
+
+	/* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
+	CMD_RSS_KEY             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
+
+	/* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
+	CMD_RSS_CPU             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
+
+	/* initiate softreset */
+	CMD_SOFT_RESET          = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
+
+	/* softreset status:
+	 *    out: a0=0 reset complete, a0=1 reset in progress */
+	CMD_SOFT_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
+
+	/* set struct vnic_devcmd_notify buffer in mem:
+	 * in:
+	 *   (u64)a0=paddr to notify (set paddr=0 to unset)
+	 *   (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
+	 *   (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
+	 * out:
+	 *   (u32)a1 = effective size
+	 */
+	CMD_NOTIFY              = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
+
+	/* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
+	 *           (u8)a1=PXENV_UNDI_xxx */
+	CMD_UNDI                = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
+
+	/* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
+	CMD_OPEN		= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
+
+	/* open status:
+	 *    out: a0=0 open complete, a0=1 open in progress */
+	CMD_OPEN_STATUS		= _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
+
+	/* close vnic */
+	CMD_CLOSE		= _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
+
+	/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
+/***** Replaced by CMD_INIT *****/
+	CMD_INIT_v1		= _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
+
+	/* variant of CMD_INIT, with provisioning info
+	 *     (u64)a0=paddr of vnic_devcmd_provinfo
+	 *     (u32)a1=sizeof provision info */
+	CMD_INIT_PROV_INFO	= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
+
+	/* enable virtual link */
+	CMD_ENABLE		= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
+
+	/* enable virtual link, waiting variant. */
+	CMD_ENABLE_WAIT		= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
+
+	/* disable virtual link */
+	CMD_DISABLE		= _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
+
+	/* stats dump sum of all vnic stats on same uplink in mem:
+	 *     (u64)a0=paddr
+	 *     (u16)a1=sizeof stats area */
+	CMD_STATS_DUMP_ALL	= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
+
+	/* init status:
+	 *    out: a0=0 init complete, a0=1 init in progress
+	 *         if a0=0, a1=errno */
+	CMD_INIT_STATUS		= _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
+
+	/* INT13 API: (u64)a0=paddr to vnic_int13_params struct
+	 *            (u32)a1=INT13_CMD_xxx */
+	CMD_INT13               = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
+
+	/* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
+	CMD_LOGICAL_UPLINK      = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
+
+	/* undo initialize of virtual link */
+	CMD_DEINIT		= _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
+
+	/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
+	CMD_INIT		= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35),
+
+	/* check fw capability of a cmd:
+	 * in:  (u32)a0=cmd
+	 * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
+	CMD_CAPABILITY		= _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
+
+	/* persistent binding info
+	 * in:  (u64)a0=paddr of arg
+	 *      (u32)a1=CMD_PERBI_XXX */
+	CMD_PERBI		= _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
+
+	/* Interrupt Assert Register functionality
+	 * in: (u16)a0=interrupt number to assert
+	 */
+	CMD_IAR			= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),
+
+	/* initiate hangreset, like softreset after hang detected */
+	CMD_HANG_RESET		= _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),
+
+	/* hangreset status:
+	 *    out: a0=0 reset complete, a0=1 reset in progress */
+	CMD_HANG_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),
+
+	/*
+	 * Set hw ingress packet vlan rewrite mode:
+	 * in:  (u32)a0=new vlan rewrite mode
+	 * out: (u32)a0=old vlan rewrite mode */
+	CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),
+
+	/*
+	 * in:  (u16)a0=bdf of target vnic
+	 *      (u32)a1=cmd to proxy
+	 *      a2-a15=args to cmd in a1
+	 * out: (u32)a0=status of proxied cmd
+	 *      a1-a15=out args of proxied cmd */
+	CMD_PROXY_BY_BDF =	_CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),
+
+	/*
+	 * As for BY_BDF except a0 is index of hvnlink subordinate vnic
+	 * or SR-IOV virtual vnic
+	 */
+	CMD_PROXY_BY_INDEX =    _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),
+
+	/*
+	 * For HPP toggle:
+	 * adapter-info-get
+	 * in:  (u64)a0=phsical address of buffer passed in from caller.
+	 *      (u16)a1=size of buffer specified in a0.
+	 * out: (u64)a0=phsical address of buffer passed in from caller.
+	 *      (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
+	 *              0 if no VIF-CONFIG-INFO TLV was ever received. */
+	CMD_CONFIG_INFO_GET     = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),
+
+	/* init_prov_info2:
+	 * Variant of CMD_INIT_PROV_INFO, where it will not try to enable
+	 * the vnic until CMD_ENABLE2 is issued.
+	 *     (u64)a0=paddr of vnic_devcmd_provinfo
+	 *     (u32)a1=sizeof provision info */
+	CMD_INIT_PROV_INFO2  = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
+
+	/* enable2:
+	 *      (u32)a0=0                  ==> standby
+	 *             =CMD_ENABLE2_ACTIVE ==> active
+	 */
+	CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
+
+	/*
+	 * cmd_status:
+	 *     Returns the status of the specified command
+	 * Input:
+	 *     a0 = command for which status is being queried.
+	 *          Possible values are:
+	 *              CMD_SOFT_RESET
+	 *              CMD_HANG_RESET
+	 *              CMD_OPEN
+	 *              CMD_INIT
+	 *              CMD_INIT_PROV_INFO
+	 *              CMD_DEINIT
+	 *              CMD_INIT_PROV_INFO2
+	 *              CMD_ENABLE2
+	 * Output:
+	 *     if status == STAT_ERROR
+	 *        a0 = ERR_ENOTSUPPORTED - status for command in a0 is
+	 *                                 not supported
+	 *     if status == STAT_NONE
+	 *        a0 = status of the devcmd specified in a0 as follows.
+	 *             ERR_SUCCESS   - command in a0 completed successfully
+	 *             ERR_EINPROGRESS - command in a0 is still in progress
+	 */
+	CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
+
+	/*
+	 * Returns interrupt coalescing timer conversion factors.
+	 * After calling this devcmd, ENIC driver can convert
+	 * interrupt coalescing timer in usec into CPU cycles as follows:
+	 *
+	 *   intr_timer_cycles = intr_timer_usec * multiplier / divisor
+	 *
+	 * Interrupt coalescing timer in usecs can be obtained from
+	 * CPU cycles as follows:
+	 *
+	 *   intr_timer_usec = intr_timer_cycles * divisor / multiplier
+	 *
+	 * in: none
+	 * out: (u32)a0 = multiplier
+	 *      (u32)a1 = divisor
+	 *      (u32)a2 = maximum timer value in usec
+	 */
+	CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
+};
+
+/* CMD_ENABLE2 flags */
+#define CMD_ENABLE2_ACTIVE  0x1
+
+/* flags for CMD_OPEN */
+#define CMD_OPENF_OPROM		0x1	/* open coming from option rom */
+
+/* flags for CMD_INIT */
+#define CMD_INITF_DEFAULT_MAC	0x1	/* init with default mac addr */
+
+/* flags for CMD_PACKET_FILTER */
+#define CMD_PFILTER_DIRECTED		0x01
+#define CMD_PFILTER_MULTICAST		0x02
+#define CMD_PFILTER_BROADCAST		0x04
+#define CMD_PFILTER_PROMISCUOUS		0x08
+#define CMD_PFILTER_ALL_MULTICAST	0x10
+
+/* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */
+#define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK              0
+#define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN         1
+#define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN  2
+#define IG_VLAN_REWRITE_MODE_PASS_THRU                  3
+
+enum vnic_devcmd_status {
+	STAT_NONE = 0,
+	STAT_BUSY = 1 << 0,	/* cmd in progress */
+	STAT_ERROR = 1 << 1,	/* last cmd caused error (code in a0) */
+};
+
+enum vnic_devcmd_error {
+	ERR_SUCCESS = 0,
+	ERR_EINVAL = 1,
+	ERR_EFAULT = 2,
+	ERR_EPERM = 3,
+	ERR_EBUSY = 4,
+	ERR_ECMDUNKNOWN = 5,
+	ERR_EBADSTATE = 6,
+	ERR_ENOMEM = 7,
+	ERR_ETIMEDOUT = 8,
+	ERR_ELINKDOWN = 9,
+	ERR_EMAXRES = 10,
+	ERR_ENOTSUPPORTED = 11,
+	ERR_EINPROGRESS = 12,
+};
+
+/*
+ * note: hw_version and asic_rev refer to the same thing,
+ *       but have different formats. hw_version is
+ *       a 32-byte string (e.g. "A2") and asic_rev is
+ *       a 16-bit integer (e.g. 0xA2).
+ */
+struct vnic_devcmd_fw_info {
+	char fw_version[32];
+	char fw_build[32];
+	char hw_version[32];
+	char hw_serial_number[32];
+	u16 asic_type;
+	u16 asic_rev;
+};
+
+struct vnic_devcmd_notify {
+	u32 csum;		/* checksum over following words */
+
+	u32 link_state;		/* link up == 1 */
+	u32 port_speed;		/* effective port speed (rate limit) */
+	u32 mtu;		/* MTU */
+	u32 msglvl;		/* requested driver msg lvl */
+	u32 uif;		/* uplink interface */
+	u32 status;		/* status bits (see VNIC_STF_*) */
+	u32 error;		/* error code (see ERR_*) for first ERR */
+	u32 link_down_cnt;	/* running count of link down transitions */
+	u32 perbi_rebuild_cnt;	/* running count of perbi rebuilds */
+};
+#define VNIC_STF_FATAL_ERR	0x0001	/* fatal fw error */
+#define VNIC_STF_STD_PAUSE	0x0002	/* standard link-level pause on */
+#define VNIC_STF_PFC_PAUSE	0x0004	/* priority flow control pause on */
+/* all supported status flags */
+#define VNIC_STF_ALL		(VNIC_STF_FATAL_ERR |\
+				 VNIC_STF_STD_PAUSE |\
+				 VNIC_STF_PFC_PAUSE |\
+				 0)
+
+struct vnic_devcmd_provinfo {
+	u8 oui[3];
+	u8 type;
+	u8 data[0];
+};
+
+/*
+ * Writing cmd register causes STAT_BUSY to get set in status register.
+ * When cmd completes, STAT_BUSY will be cleared.
+ *
+ * If cmd completed successfully STAT_ERROR will be clear
+ * and args registers contain cmd-specific results.
+ *
+ * If cmd error, STAT_ERROR will be set and args[0] contains error code.
+ *
+ * status register is read-only.  While STAT_BUSY is set,
+ * all other register contents are read-only.
+ */
+
+/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
+#define VNIC_DEVCMD_NARGS 15
+struct vnic_devcmd {
+	u32 status;			/* RO */
+	u32 cmd;			/* RW */
+	u64 args[VNIC_DEVCMD_NARGS];	/* RW cmd args (little-endian) */
+};
+
+#endif /* _VNIC_DEVCMD_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_enet.h b/drivers/net/ethernet/cisco/enic/vnic_enet.h
new file mode 100644
index 00000000000..609542848e0
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_enet.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_ENIC_H_
+#define _VNIC_ENIC_H_
+
+/* Device-specific region: enet configuration */
+struct vnic_enet_config {
+	u32 flags;
+	u32 wq_desc_count;
+	u32 rq_desc_count;
+	u16 mtu;
+	u16 intr_timer_deprecated;
+	u8 intr_timer_type;
+	u8 intr_mode;
+	char devname[16];
+	u32 intr_timer_usec;
+	u16 loop_tag;
+};
+
+#define VENETF_TSO		0x1	/* TSO enabled */
+#define VENETF_LRO		0x2	/* LRO enabled */
+#define VENETF_RXCSUM		0x4	/* RX csum enabled */
+#define VENETF_TXCSUM		0x8	/* TX csum enabled */
+#define VENETF_RSS		0x10	/* RSS enabled */
+#define VENETF_RSSHASH_IPV4	0x20	/* Hash on IPv4 fields */
+#define VENETF_RSSHASH_TCPIPV4	0x40	/* Hash on TCP + IPv4 fields */
+#define VENETF_RSSHASH_IPV6	0x80	/* Hash on IPv6 fields */
+#define VENETF_RSSHASH_TCPIPV6	0x100	/* Hash on TCP + IPv6 fields */
+#define VENETF_RSSHASH_IPV6_EX	0x200	/* Hash on IPv6 extended fields */
+#define VENETF_RSSHASH_TCPIPV6_EX 0x400	/* Hash on TCP + IPv6 ext. fields */
+#define VENETF_LOOP		0x800	/* Loopback enabled */
+
+#define VENET_INTR_TYPE_MIN	0	/* Timer specs min interrupt spacing */
+#define VENET_INTR_TYPE_IDLE	1	/* Timer specs idle time before irq */
+
+#define VENET_INTR_MODE_ANY	0	/* Try MSI-X, then MSI, then INTx */
+#define VENET_INTR_MODE_MSI	1	/* Try MSI then INTx */
+#define VENET_INTR_MODE_INTX	2	/* Try INTx only */
+
+#endif /* _VNIC_ENIC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_intr.c b/drivers/net/ethernet/cisco/enic/vnic_intr.c
new file mode 100644
index 00000000000..0ca107f7bc8
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_intr.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "vnic_dev.h"
+#include "vnic_intr.h"
+
+void vnic_intr_free(struct vnic_intr *intr)
+{
+	intr->ctrl = NULL;
+}
+
+int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
+	unsigned int index)
+{
+	intr->index = index;
+	intr->vdev = vdev;
+
+	intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index);
+	if (!intr->ctrl) {
+		pr_err("Failed to hook INTR[%d].ctrl resource\n", index);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer,
+	unsigned int coalescing_type, unsigned int mask_on_assertion)
+{
+	vnic_intr_coalescing_timer_set(intr, coalescing_timer);
+	iowrite32(coalescing_type, &intr->ctrl->coalescing_type);
+	iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion);
+	iowrite32(0, &intr->ctrl->int_credits);
+}
+
+void vnic_intr_coalescing_timer_set(struct vnic_intr *intr,
+	u32 coalescing_timer)
+{
+	iowrite32(vnic_dev_intr_coal_timer_usec_to_hw(intr->vdev,
+		coalescing_timer), &intr->ctrl->coalescing_timer);
+}
+
+void vnic_intr_clean(struct vnic_intr *intr)
+{
+	iowrite32(0, &intr->ctrl->int_credits);
+}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_intr.h b/drivers/net/ethernet/cisco/enic/vnic_intr.h
new file mode 100644
index 00000000000..2b163639229
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_intr.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_INTR_H_
+#define _VNIC_INTR_H_
+
+#include <linux/pci.h>
+
+#include "vnic_dev.h"
+
+#define VNIC_INTR_TIMER_TYPE_ABS	0
+#define VNIC_INTR_TIMER_TYPE_QUIET	1
+
+/* Interrupt control */
+struct vnic_intr_ctrl {
+	u32 coalescing_timer;		/* 0x00 */
+	u32 pad0;
+	u32 coalescing_value;		/* 0x08 */
+	u32 pad1;
+	u32 coalescing_type;		/* 0x10 */
+	u32 pad2;
+	u32 mask_on_assertion;		/* 0x18 */
+	u32 pad3;
+	u32 mask;			/* 0x20 */
+	u32 pad4;
+	u32 int_credits;		/* 0x28 */
+	u32 pad5;
+	u32 int_credit_return;		/* 0x30 */
+	u32 pad6;
+};
+
+struct vnic_intr {
+	unsigned int index;
+	struct vnic_dev *vdev;
+	struct vnic_intr_ctrl __iomem *ctrl;		/* memory-mapped */
+};
+
+static inline void vnic_intr_unmask(struct vnic_intr *intr)
+{
+	iowrite32(0, &intr->ctrl->mask);
+}
+
+static inline void vnic_intr_mask(struct vnic_intr *intr)
+{
+	iowrite32(1, &intr->ctrl->mask);
+}
+
+static inline int vnic_intr_masked(struct vnic_intr *intr)
+{
+	return ioread32(&intr->ctrl->mask);
+}
+
+static inline void vnic_intr_return_credits(struct vnic_intr *intr,
+	unsigned int credits, int unmask, int reset_timer)
+{
+#define VNIC_INTR_UNMASK_SHIFT		16
+#define VNIC_INTR_RESET_TIMER_SHIFT	17
+
+	u32 int_credit_return = (credits & 0xffff) |
+		(unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) |
+		(reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0);
+
+	iowrite32(int_credit_return, &intr->ctrl->int_credit_return);
+}
+
+static inline unsigned int vnic_intr_credits(struct vnic_intr *intr)
+{
+	return ioread32(&intr->ctrl->int_credits);
+}
+
+static inline void vnic_intr_return_all_credits(struct vnic_intr *intr)
+{
+	unsigned int credits = vnic_intr_credits(intr);
+	int unmask = 1;
+	int reset_timer = 1;
+
+	vnic_intr_return_credits(intr, credits, unmask, reset_timer);
+}
+
+static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba)
+{
+	/* read PBA without clearing */
+	return ioread32(legacy_pba);
+}
+
+void vnic_intr_free(struct vnic_intr *intr);
+int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
+	unsigned int index);
+void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer,
+	unsigned int coalescing_type, unsigned int mask_on_assertion);
+void vnic_intr_coalescing_timer_set(struct vnic_intr *intr,
+	u32 coalescing_timer);
+void vnic_intr_clean(struct vnic_intr *intr);
+
+#endif /* _VNIC_INTR_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_nic.h b/drivers/net/ethernet/cisco/enic/vnic_nic.h
new file mode 100644
index 00000000000..995a50dd4c9
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_nic.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_NIC_H_
+#define _VNIC_NIC_H_
+
+#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD	0xffUL
+#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT		0
+#define NIC_CFG_RSS_HASH_TYPE			(0xffUL << 8)
+#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD	0xffUL
+#define NIC_CFG_RSS_HASH_TYPE_SHIFT		8
+#define NIC_CFG_RSS_HASH_BITS			(7UL << 16)
+#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD	7UL
+#define NIC_CFG_RSS_HASH_BITS_SHIFT		16
+#define NIC_CFG_RSS_BASE_CPU			(7UL << 19)
+#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD		7UL
+#define NIC_CFG_RSS_BASE_CPU_SHIFT		19
+#define NIC_CFG_RSS_ENABLE			(1UL << 22)
+#define NIC_CFG_RSS_ENABLE_MASK_FIELD		1UL
+#define NIC_CFG_RSS_ENABLE_SHIFT		22
+#define NIC_CFG_TSO_IPID_SPLIT_EN		(1UL << 23)
+#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD	1UL
+#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT		23
+#define NIC_CFG_IG_VLAN_STRIP_EN		(1UL << 24)
+#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD	1UL
+#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT		24
+
+#define NIC_CFG_RSS_HASH_TYPE_IPV4		(1 << 1)
+#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4		(1 << 2)
+#define NIC_CFG_RSS_HASH_TYPE_IPV6		(1 << 3)
+#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6		(1 << 4)
+#define NIC_CFG_RSS_HASH_TYPE_IPV6_EX		(1 << 5)
+#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX	(1 << 6)
+
+static inline void vnic_set_nic_cfg(u32 *nic_cfg,
+	u8 rss_default_cpu, u8 rss_hash_type,
+	u8 rss_hash_bits, u8 rss_base_cpu,
+	u8 rss_enable, u8 tso_ipid_split_en,
+	u8 ig_vlan_strip_en)
+{
+	*nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) |
+		((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD)
+			<< NIC_CFG_RSS_HASH_TYPE_SHIFT) |
+		((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD)
+			<< NIC_CFG_RSS_HASH_BITS_SHIFT) |
+		((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD)
+			<< NIC_CFG_RSS_BASE_CPU_SHIFT) |
+		((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD)
+			<< NIC_CFG_RSS_ENABLE_SHIFT) |
+		((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD)
+			<< NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) |
+		((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD)
+			<< NIC_CFG_IG_VLAN_STRIP_EN_SHIFT);
+}
+
+#endif /* _VNIC_NIC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_resource.h b/drivers/net/ethernet/cisco/enic/vnic_resource.h
new file mode 100644
index 00000000000..e0a73f1ca6f
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_resource.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_RESOURCE_H_
+#define _VNIC_RESOURCE_H_
+
+#define VNIC_RES_MAGIC		0x766E6963L	/* 'vnic' */
+#define VNIC_RES_VERSION	0x00000000L
+#define MGMTVNIC_MAGIC		0x544d474dL	/* 'MGMT' */
+#define MGMTVNIC_VERSION	0x00000000L
+
+/* The MAC address assigned to the CFG vNIC is fixed. */
+#define MGMTVNIC_MAC		{ 0x02, 0x00, 0x54, 0x4d, 0x47, 0x4d }
+
+/* vNIC resource types */
+enum vnic_res_type {
+	RES_TYPE_EOL,			/* End-of-list */
+	RES_TYPE_WQ,			/* Work queues */
+	RES_TYPE_RQ,			/* Receive queues */
+	RES_TYPE_CQ,			/* Completion queues */
+	RES_TYPE_RSVD1,
+	RES_TYPE_NIC_CFG,		/* Enet NIC config registers */
+	RES_TYPE_RSVD2,
+	RES_TYPE_RSVD3,
+	RES_TYPE_RSVD4,
+	RES_TYPE_RSVD5,
+	RES_TYPE_INTR_CTRL,		/* Interrupt ctrl table */
+	RES_TYPE_INTR_TABLE,		/* MSI/MSI-X Interrupt table */
+	RES_TYPE_INTR_PBA,		/* MSI/MSI-X PBA table */
+	RES_TYPE_INTR_PBA_LEGACY,	/* Legacy intr status */
+	RES_TYPE_RSVD6,
+	RES_TYPE_RSVD7,
+	RES_TYPE_DEVCMD,		/* Device command region */
+	RES_TYPE_PASS_THRU_PAGE,	/* Pass-thru page */
+
+	RES_TYPE_MAX,			/* Count of resource types */
+};
+
+struct vnic_resource_header {
+	u32 magic;
+	u32 version;
+};
+
+struct mgmt_barmap_hdr {
+	u32 magic;			/* magic number */
+	u32 version;			/* header format version */
+	u16 lif;			/* loopback lif for mgmt frames */
+	u16 pci_slot;			/* installed pci slot */
+	char serial[16];		/* card serial number */
+};
+
+struct vnic_resource {
+	u8 type;
+	u8 bar;
+	u8 pad[2];
+	u32 bar_offset;
+	u32 count;
+};
+
+#endif /* _VNIC_RESOURCE_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_rq.c b/drivers/net/ethernet/cisco/enic/vnic_rq.c
new file mode 100644
index 00000000000..34105e0951a
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_rq.c
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "vnic_dev.h"
+#include "vnic_rq.h"
+
+static int vnic_rq_alloc_bufs(struct vnic_rq *rq)
+{
+	struct vnic_rq_buf *buf;
+	struct vnic_dev *vdev;
+	unsigned int i, j, count = rq->ring.desc_count;
+	unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count);
+
+	vdev = rq->vdev;
+
+	for (i = 0; i < blks; i++) {
+		rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ(count), GFP_ATOMIC);
+		if (!rq->bufs[i]) {
+			pr_err("Failed to alloc rq_bufs\n");
+			return -ENOMEM;
+		}
+	}
+
+	for (i = 0; i < blks; i++) {
+		buf = rq->bufs[i];
+		for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES(count); j++) {
+			buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES(count) + j;
+			buf->desc = (u8 *)rq->ring.descs +
+				rq->ring.desc_size * buf->index;
+			if (buf->index + 1 == count) {
+				buf->next = rq->bufs[0];
+				break;
+			} else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES(count)) {
+				buf->next = rq->bufs[i + 1];
+			} else {
+				buf->next = buf + 1;
+				buf++;
+			}
+		}
+	}
+
+	rq->to_use = rq->to_clean = rq->bufs[0];
+
+	return 0;
+}
+
+void vnic_rq_free(struct vnic_rq *rq)
+{
+	struct vnic_dev *vdev;
+	unsigned int i;
+
+	vdev = rq->vdev;
+
+	vnic_dev_free_desc_ring(vdev, &rq->ring);
+
+	for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) {
+		if (rq->bufs[i]) {
+			kfree(rq->bufs[i]);
+			rq->bufs[i] = NULL;
+		}
+	}
+
+	rq->ctrl = NULL;
+}
+
+int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
+	unsigned int desc_count, unsigned int desc_size)
+{
+	int err;
+
+	rq->index = index;
+	rq->vdev = vdev;
+
+	rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index);
+	if (!rq->ctrl) {
+		pr_err("Failed to hook RQ[%d] resource\n", index);
+		return -EINVAL;
+	}
+
+	vnic_rq_disable(rq);
+
+	err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size);
+	if (err)
+		return err;
+
+	err = vnic_rq_alloc_bufs(rq);
+	if (err) {
+		vnic_rq_free(rq);
+		return err;
+	}
+
+	return 0;
+}
+
+static void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index,
+	unsigned int fetch_index, unsigned int posted_index,
+	unsigned int error_interrupt_enable,
+	unsigned int error_interrupt_offset)
+{
+	u64 paddr;
+	unsigned int count = rq->ring.desc_count;
+
+	paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET;
+	writeq(paddr, &rq->ctrl->ring_base);
+	iowrite32(count, &rq->ctrl->ring_size);
+	iowrite32(cq_index, &rq->ctrl->cq_index);
+	iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable);
+	iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset);
+	iowrite32(0, &rq->ctrl->dropped_packet_count);
+	iowrite32(0, &rq->ctrl->error_status);
+	iowrite32(fetch_index, &rq->ctrl->fetch_index);
+	iowrite32(posted_index, &rq->ctrl->posted_index);
+
+	rq->to_use = rq->to_clean =
+		&rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)]
+			[fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)];
+}
+
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+	unsigned int error_interrupt_enable,
+	unsigned int error_interrupt_offset)
+{
+	u32 fetch_index;
+
+	/* Use current fetch_index as the ring starting point */
+	fetch_index = ioread32(&rq->ctrl->fetch_index);
+
+	if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone  */
+		/* Hardware surprise removal: reset fetch_index */
+		fetch_index = 0;
+	}
+
+	vnic_rq_init_start(rq, cq_index,
+		fetch_index, fetch_index,
+		error_interrupt_enable,
+		error_interrupt_offset);
+}
+
+unsigned int vnic_rq_error_status(struct vnic_rq *rq)
+{
+	return ioread32(&rq->ctrl->error_status);
+}
+
+void vnic_rq_enable(struct vnic_rq *rq)
+{
+	iowrite32(1, &rq->ctrl->enable);
+}
+
+int vnic_rq_disable(struct vnic_rq *rq)
+{
+	unsigned int wait;
+
+	iowrite32(0, &rq->ctrl->enable);
+
+	/* Wait for HW to ACK disable request */
+	for (wait = 0; wait < 1000; wait++) {
+		if (!(ioread32(&rq->ctrl->running)))
+			return 0;
+		udelay(10);
+	}
+
+	pr_err("Failed to disable RQ[%d]\n", rq->index);
+
+	return -ETIMEDOUT;
+}
+
+void vnic_rq_clean(struct vnic_rq *rq,
+	void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf))
+{
+	struct vnic_rq_buf *buf;
+	u32 fetch_index;
+	unsigned int count = rq->ring.desc_count;
+
+	buf = rq->to_clean;
+
+	while (vnic_rq_desc_used(rq) > 0) {
+
+		(*buf_clean)(rq, buf);
+
+		buf = rq->to_clean = buf->next;
+		rq->ring.desc_avail++;
+	}
+
+	/* Use current fetch_index as the ring starting point */
+	fetch_index = ioread32(&rq->ctrl->fetch_index);
+
+	if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone  */
+		/* Hardware surprise removal: reset fetch_index */
+		fetch_index = 0;
+	}
+	rq->to_use = rq->to_clean =
+		&rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)]
+			[fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)];
+	iowrite32(fetch_index, &rq->ctrl->posted_index);
+
+	vnic_dev_clear_desc_ring(&rq->ring);
+}
+
diff --git a/drivers/net/ethernet/cisco/enic/vnic_rq.h b/drivers/net/ethernet/cisco/enic/vnic_rq.h
new file mode 100644
index 00000000000..2056586f4d4
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_rq.h
@@ -0,0 +1,209 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_RQ_H_
+#define _VNIC_RQ_H_
+
+#include <linux/pci.h>
+
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+/* Receive queue control */
+struct vnic_rq_ctrl {
+	u64 ring_base;			/* 0x00 */
+	u32 ring_size;			/* 0x08 */
+	u32 pad0;
+	u32 posted_index;		/* 0x10 */
+	u32 pad1;
+	u32 cq_index;			/* 0x18 */
+	u32 pad2;
+	u32 enable;			/* 0x20 */
+	u32 pad3;
+	u32 running;			/* 0x28 */
+	u32 pad4;
+	u32 fetch_index;		/* 0x30 */
+	u32 pad5;
+	u32 error_interrupt_enable;	/* 0x38 */
+	u32 pad6;
+	u32 error_interrupt_offset;	/* 0x40 */
+	u32 pad7;
+	u32 error_status;		/* 0x48 */
+	u32 pad8;
+	u32 dropped_packet_count;	/* 0x50 */
+	u32 pad9;
+	u32 dropped_packet_count_rc;	/* 0x58 */
+	u32 pad10;
+};
+
+/* Break the vnic_rq_buf allocations into blocks of 32/64 entries */
+#define VNIC_RQ_BUF_MIN_BLK_ENTRIES 32
+#define VNIC_RQ_BUF_DFLT_BLK_ENTRIES 64
+#define VNIC_RQ_BUF_BLK_ENTRIES(entries) \
+	((unsigned int)((entries < VNIC_RQ_BUF_DFLT_BLK_ENTRIES) ? \
+	VNIC_RQ_BUF_MIN_BLK_ENTRIES : VNIC_RQ_BUF_DFLT_BLK_ENTRIES))
+#define VNIC_RQ_BUF_BLK_SZ(entries) \
+	(VNIC_RQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_rq_buf))
+#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \
+	DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES(entries))
+#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096)
+
+struct vnic_rq_buf {
+	struct vnic_rq_buf *next;
+	dma_addr_t dma_addr;
+	void *os_buf;
+	unsigned int os_buf_index;
+	unsigned int len;
+	unsigned int index;
+	void *desc;
+};
+
+struct vnic_rq {
+	unsigned int index;
+	struct vnic_dev *vdev;
+	struct vnic_rq_ctrl __iomem *ctrl;              /* memory-mapped */
+	struct vnic_dev_ring ring;
+	struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX];
+	struct vnic_rq_buf *to_use;
+	struct vnic_rq_buf *to_clean;
+	void *os_buf_head;
+	unsigned int pkts_outstanding;
+};
+
+static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq)
+{
+	/* how many does SW own? */
+	return rq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq)
+{
+	/* how many does HW own? */
+	return rq->ring.desc_count - rq->ring.desc_avail - 1;
+}
+
+static inline void *vnic_rq_next_desc(struct vnic_rq *rq)
+{
+	return rq->to_use->desc;
+}
+
+static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq)
+{
+	return rq->to_use->index;
+}
+
+static inline void vnic_rq_post(struct vnic_rq *rq,
+	void *os_buf, unsigned int os_buf_index,
+	dma_addr_t dma_addr, unsigned int len)
+{
+	struct vnic_rq_buf *buf = rq->to_use;
+
+	buf->os_buf = os_buf;
+	buf->os_buf_index = os_buf_index;
+	buf->dma_addr = dma_addr;
+	buf->len = len;
+
+	buf = buf->next;
+	rq->to_use = buf;
+	rq->ring.desc_avail--;
+
+	/* Move the posted_index every nth descriptor
+	 */
+
+#ifndef VNIC_RQ_RETURN_RATE
+#define VNIC_RQ_RETURN_RATE		0xf	/* keep 2^n - 1 */
+#endif
+
+	if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) {
+		/* Adding write memory barrier prevents compiler and/or CPU
+		 * reordering, thus avoiding descriptor posting before
+		 * descriptor is initialized. Otherwise, hardware can read
+		 * stale descriptor fields.
+		 */
+		wmb();
+		iowrite32(buf->index, &rq->ctrl->posted_index);
+	}
+}
+
+static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count)
+{
+	rq->ring.desc_avail += count;
+}
+
+enum desc_return_options {
+	VNIC_RQ_RETURN_DESC,
+	VNIC_RQ_DEFER_RETURN_DESC,
+};
+
+static inline void vnic_rq_service(struct vnic_rq *rq,
+	struct cq_desc *cq_desc, u16 completed_index,
+	int desc_return, void (*buf_service)(struct vnic_rq *rq,
+	struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
+	int skipped, void *opaque), void *opaque)
+{
+	struct vnic_rq_buf *buf;
+	int skipped;
+
+	buf = rq->to_clean;
+	while (1) {
+
+		skipped = (buf->index != completed_index);
+
+		(*buf_service)(rq, cq_desc, buf, skipped, opaque);
+
+		if (desc_return == VNIC_RQ_RETURN_DESC)
+			rq->ring.desc_avail++;
+
+		rq->to_clean = buf->next;
+
+		if (!skipped)
+			break;
+
+		buf = rq->to_clean;
+	}
+}
+
+static inline int vnic_rq_fill(struct vnic_rq *rq,
+	int (*buf_fill)(struct vnic_rq *rq))
+{
+	int err;
+
+	while (vnic_rq_desc_avail(rq) > 0) {
+
+		err = (*buf_fill)(rq);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+void vnic_rq_free(struct vnic_rq *rq);
+int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
+	unsigned int desc_count, unsigned int desc_size);
+void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index,
+	unsigned int error_interrupt_enable,
+	unsigned int error_interrupt_offset);
+unsigned int vnic_rq_error_status(struct vnic_rq *rq);
+void vnic_rq_enable(struct vnic_rq *rq);
+int vnic_rq_disable(struct vnic_rq *rq);
+void vnic_rq_clean(struct vnic_rq *rq,
+	void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf));
+
+#endif /* _VNIC_RQ_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_rss.h b/drivers/net/ethernet/cisco/enic/vnic_rss.h
new file mode 100644
index 00000000000..fa421baf45b
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_rss.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _VNIC_RSS_H_
+#define _VNIC_RSS_H_
+
+/* RSS key array */
+union vnic_rss_key {
+	struct {
+		u8 b[10];
+		u8 b_pad[6];
+	} key[4];
+	u64 raw[8];
+};
+
+/* RSS cpu array */
+union vnic_rss_cpu {
+	struct {
+		u8 b[4] ;
+		u8 b_pad[4];
+	} cpu[32];
+	u64 raw[32];
+};
+
+#endif /* _VNIC_RSS_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_stats.h b/drivers/net/ethernet/cisco/enic/vnic_stats.h
new file mode 100644
index 00000000000..77750ec9395
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_stats.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_STATS_H_
+#define _VNIC_STATS_H_
+
+/* Tx statistics */
+struct vnic_tx_stats {
+	u64 tx_frames_ok;
+	u64 tx_unicast_frames_ok;
+	u64 tx_multicast_frames_ok;
+	u64 tx_broadcast_frames_ok;
+	u64 tx_bytes_ok;
+	u64 tx_unicast_bytes_ok;
+	u64 tx_multicast_bytes_ok;
+	u64 tx_broadcast_bytes_ok;
+	u64 tx_drops;
+	u64 tx_errors;
+	u64 tx_tso;
+	u64 rsvd[16];
+};
+
+/* Rx statistics */
+struct vnic_rx_stats {
+	u64 rx_frames_ok;
+	u64 rx_frames_total;
+	u64 rx_unicast_frames_ok;
+	u64 rx_multicast_frames_ok;
+	u64 rx_broadcast_frames_ok;
+	u64 rx_bytes_ok;
+	u64 rx_unicast_bytes_ok;
+	u64 rx_multicast_bytes_ok;
+	u64 rx_broadcast_bytes_ok;
+	u64 rx_drop;
+	u64 rx_no_bufs;
+	u64 rx_errors;
+	u64 rx_rss;
+	u64 rx_crc_errors;
+	u64 rx_frames_64;
+	u64 rx_frames_127;
+	u64 rx_frames_255;
+	u64 rx_frames_511;
+	u64 rx_frames_1023;
+	u64 rx_frames_1518;
+	u64 rx_frames_to_max;
+	u64 rsvd[16];
+};
+
+struct vnic_stats {
+	struct vnic_tx_stats tx;
+	struct vnic_rx_stats rx;
+};
+
+#endif /* _VNIC_STATS_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_vic.c b/drivers/net/ethernet/cisco/enic/vnic_vic.c
new file mode 100644
index 00000000000..24ef8cd4054
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_vic.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+
+#include "vnic_vic.h"
+
+struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, const u8 *oui,
+	const u8 type)
+{
+	struct vic_provinfo *vp;
+
+	if (!oui)
+		return NULL;
+
+	vp = kzalloc(VIC_PROVINFO_MAX_DATA, flags);
+	if (!vp)
+		return NULL;
+
+	memcpy(vp->oui, oui, sizeof(vp->oui));
+	vp->type = type;
+	vp->length = htonl(sizeof(vp->num_tlvs));
+
+	return vp;
+}
+
+void vic_provinfo_free(struct vic_provinfo *vp)
+{
+	kfree(vp);
+}
+
+int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
+	const void *value)
+{
+	struct vic_provinfo_tlv *tlv;
+
+	if (!vp || !value)
+		return -EINVAL;
+
+	if (ntohl(vp->length) + offsetof(struct vic_provinfo_tlv, value) +
+		length > VIC_PROVINFO_MAX_TLV_DATA)
+		return -ENOMEM;
+
+	tlv = (struct vic_provinfo_tlv *)((u8 *)vp->tlv +
+		ntohl(vp->length) - sizeof(vp->num_tlvs));
+
+	tlv->type = htons(type);
+	tlv->length = htons(length);
+	memcpy(tlv->value, value, length);
+
+	vp->num_tlvs = htonl(ntohl(vp->num_tlvs) + 1);
+	vp->length = htonl(ntohl(vp->length) +
+		offsetof(struct vic_provinfo_tlv, value) + length);
+
+	return 0;
+}
+
+size_t vic_provinfo_size(struct vic_provinfo *vp)
+{
+	return vp ?  ntohl(vp->length) + sizeof(*vp) - sizeof(vp->num_tlvs) : 0;
+}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_vic.h b/drivers/net/ethernet/cisco/enic/vnic_vic.h
new file mode 100644
index 00000000000..9ef81f14835
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_vic.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2010 Cisco Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_VIC_H_
+#define _VNIC_VIC_H_
+
+/* Note: All integer fields in NETWORK byte order */
+
+/* Note: String field lengths include null char */
+
+#define VIC_PROVINFO_CISCO_OUI		{ 0x00, 0x00, 0x0c }
+#define VIC_PROVINFO_GENERIC_TYPE		0x4
+
+enum vic_generic_prov_tlv_type {
+	VIC_GENERIC_PROV_TLV_PORT_PROFILE_NAME_STR = 0,
+	VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR = 1,
+	VIC_GENERIC_PROV_TLV_CLIENT_NAME_STR = 2,
+	VIC_GENERIC_PROV_TLV_CLUSTER_PORT_NAME_STR = 3,
+	VIC_GENERIC_PROV_TLV_CLUSTER_PORT_UUID_STR = 4,
+	VIC_GENERIC_PROV_TLV_CLUSTER_UUID_STR = 5,
+	VIC_GENERIC_PROV_TLV_CLUSTER_NAME_STR = 7,
+	VIC_GENERIC_PROV_TLV_HOST_UUID_STR = 8,
+	VIC_GENERIC_PROV_TLV_CLIENT_UUID_STR = 9,
+	VIC_GENERIC_PROV_TLV_INCARNATION_NUMBER = 10,
+	VIC_GENERIC_PROV_TLV_OS_TYPE = 11,
+	VIC_GENERIC_PROV_TLV_OS_VENDOR = 12,
+	VIC_GENERIC_PROV_TLV_CLIENT_TYPE = 15,
+};
+
+enum vic_generic_prov_os_type {
+	VIC_GENERIC_PROV_OS_TYPE_UNKNOWN = 0,
+	VIC_GENERIC_PROV_OS_TYPE_ESX = 1,
+	VIC_GENERIC_PROV_OS_TYPE_LINUX = 2,
+	VIC_GENERIC_PROV_OS_TYPE_WINDOWS = 3,
+	VIC_GENERIC_PROV_OS_TYPE_SOLARIS = 4,
+};
+
+struct vic_provinfo {
+	u8 oui[3];		/* OUI of data provider */
+	u8 type;		/* provider-specific type */
+	u32 length;		/* length of data below */
+	u32 num_tlvs;		/* number of tlvs */
+	struct vic_provinfo_tlv {
+		u16 type;
+		u16 length;
+		u8 value[0];
+	} tlv[0];
+} __packed;
+
+#define VIC_PROVINFO_ADD_TLV(vp, tlvtype, tlvlen, data) \
+	do { \
+		err = vic_provinfo_add_tlv(vp, tlvtype, tlvlen, data); \
+		if (err) \
+			goto add_tlv_failure; \
+	} while (0)
+
+#define VIC_PROVINFO_MAX_DATA		1385
+#define VIC_PROVINFO_MAX_TLV_DATA (VIC_PROVINFO_MAX_DATA - \
+	sizeof(struct vic_provinfo))
+
+struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, const u8 *oui,
+	const u8 type);
+void vic_provinfo_free(struct vic_provinfo *vp);
+int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
+	const void *value);
+size_t vic_provinfo_size(struct vic_provinfo *vp);
+
+#endif	/* _VNIC_VIC_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.c b/drivers/net/ethernet/cisco/enic/vnic_wq.c
new file mode 100644
index 00000000000..df61bd932ea
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_wq.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+
+static int vnic_wq_alloc_bufs(struct vnic_wq *wq)
+{
+	struct vnic_wq_buf *buf;
+	struct vnic_dev *vdev;
+	unsigned int i, j, count = wq->ring.desc_count;
+	unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count);
+
+	vdev = wq->vdev;
+
+	for (i = 0; i < blks; i++) {
+		wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ(count), GFP_ATOMIC);
+		if (!wq->bufs[i]) {
+			pr_err("Failed to alloc wq_bufs\n");
+			return -ENOMEM;
+		}
+	}
+
+	for (i = 0; i < blks; i++) {
+		buf = wq->bufs[i];
+		for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES(count); j++) {
+			buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES(count) + j;
+			buf->desc = (u8 *)wq->ring.descs +
+				wq->ring.desc_size * buf->index;
+			if (buf->index + 1 == count) {
+				buf->next = wq->bufs[0];
+				break;
+			} else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES(count)) {
+				buf->next = wq->bufs[i + 1];
+			} else {
+				buf->next = buf + 1;
+				buf++;
+			}
+		}
+	}
+
+	wq->to_use = wq->to_clean = wq->bufs[0];
+
+	return 0;
+}
+
+void vnic_wq_free(struct vnic_wq *wq)
+{
+	struct vnic_dev *vdev;
+	unsigned int i;
+
+	vdev = wq->vdev;
+
+	vnic_dev_free_desc_ring(vdev, &wq->ring);
+
+	for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) {
+		if (wq->bufs[i]) {
+			kfree(wq->bufs[i]);
+			wq->bufs[i] = NULL;
+		}
+	}
+
+	wq->ctrl = NULL;
+}
+
+int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
+	unsigned int desc_count, unsigned int desc_size)
+{
+	int err;
+
+	wq->index = index;
+	wq->vdev = vdev;
+
+	wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
+	if (!wq->ctrl) {
+		pr_err("Failed to hook WQ[%d] resource\n", index);
+		return -EINVAL;
+	}
+
+	vnic_wq_disable(wq);
+
+	err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
+	if (err)
+		return err;
+
+	err = vnic_wq_alloc_bufs(wq);
+	if (err) {
+		vnic_wq_free(wq);
+		return err;
+	}
+
+	return 0;
+}
+
+static void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index,
+	unsigned int fetch_index, unsigned int posted_index,
+	unsigned int error_interrupt_enable,
+	unsigned int error_interrupt_offset)
+{
+	u64 paddr;
+	unsigned int count = wq->ring.desc_count;
+
+	paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET;
+	writeq(paddr, &wq->ctrl->ring_base);
+	iowrite32(count, &wq->ctrl->ring_size);
+	iowrite32(fetch_index, &wq->ctrl->fetch_index);
+	iowrite32(posted_index, &wq->ctrl->posted_index);
+	iowrite32(cq_index, &wq->ctrl->cq_index);
+	iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable);
+	iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset);
+	iowrite32(0, &wq->ctrl->error_status);
+
+	wq->to_use = wq->to_clean =
+		&wq->bufs[fetch_index / VNIC_WQ_BUF_BLK_ENTRIES(count)]
+			[fetch_index % VNIC_WQ_BUF_BLK_ENTRIES(count)];
+}
+
+void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
+	unsigned int error_interrupt_enable,
+	unsigned int error_interrupt_offset)
+{
+	vnic_wq_init_start(wq, cq_index, 0, 0,
+		error_interrupt_enable,
+		error_interrupt_offset);
+}
+
+unsigned int vnic_wq_error_status(struct vnic_wq *wq)
+{
+	return ioread32(&wq->ctrl->error_status);
+}
+
+void vnic_wq_enable(struct vnic_wq *wq)
+{
+	iowrite32(1, &wq->ctrl->enable);
+}
+
+int vnic_wq_disable(struct vnic_wq *wq)
+{
+	unsigned int wait;
+
+	iowrite32(0, &wq->ctrl->enable);
+
+	/* Wait for HW to ACK disable request */
+	for (wait = 0; wait < 1000; wait++) {
+		if (!(ioread32(&wq->ctrl->running)))
+			return 0;
+		udelay(10);
+	}
+
+	pr_err("Failed to disable WQ[%d]\n", wq->index);
+
+	return -ETIMEDOUT;
+}
+
+void vnic_wq_clean(struct vnic_wq *wq,
+	void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf))
+{
+	struct vnic_wq_buf *buf;
+
+	buf = wq->to_clean;
+
+	while (vnic_wq_desc_used(wq) > 0) {
+
+		(*buf_clean)(wq, buf);
+
+		buf = wq->to_clean = buf->next;
+		wq->ring.desc_avail++;
+	}
+
+	wq->to_use = wq->to_clean = wq->bufs[0];
+
+	iowrite32(0, &wq->ctrl->fetch_index);
+	iowrite32(0, &wq->ctrl->posted_index);
+	iowrite32(0, &wq->ctrl->error_status);
+
+	vnic_dev_clear_desc_ring(&wq->ring);
+}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.h b/drivers/net/ethernet/cisco/enic/vnic_wq.h
new file mode 100644
index 00000000000..7dd937ac11c
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/vnic_wq.h
@@ -0,0 +1,165 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _VNIC_WQ_H_
+#define _VNIC_WQ_H_
+
+#include <linux/pci.h>
+
+#include "vnic_dev.h"
+#include "vnic_cq.h"
+
+/* Work queue control */
+struct vnic_wq_ctrl {
+	u64 ring_base;			/* 0x00 */
+	u32 ring_size;			/* 0x08 */
+	u32 pad0;
+	u32 posted_index;		/* 0x10 */
+	u32 pad1;
+	u32 cq_index;			/* 0x18 */
+	u32 pad2;
+	u32 enable;			/* 0x20 */
+	u32 pad3;
+	u32 running;			/* 0x28 */
+	u32 pad4;
+	u32 fetch_index;		/* 0x30 */
+	u32 pad5;
+	u32 dca_value;			/* 0x38 */
+	u32 pad6;
+	u32 error_interrupt_enable;	/* 0x40 */
+	u32 pad7;
+	u32 error_interrupt_offset;	/* 0x48 */
+	u32 pad8;
+	u32 error_status;		/* 0x50 */
+	u32 pad9;
+};
+
+struct vnic_wq_buf {
+	struct vnic_wq_buf *next;
+	dma_addr_t dma_addr;
+	void *os_buf;
+	unsigned int len;
+	unsigned int index;
+	int sop;
+	void *desc;
+};
+
+/* Break the vnic_wq_buf allocations into blocks of 32/64 entries */
+#define VNIC_WQ_BUF_MIN_BLK_ENTRIES 32
+#define VNIC_WQ_BUF_DFLT_BLK_ENTRIES 64
+#define VNIC_WQ_BUF_BLK_ENTRIES(entries) \
+	((unsigned int)((entries < VNIC_WQ_BUF_DFLT_BLK_ENTRIES) ? \
+	VNIC_WQ_BUF_MIN_BLK_ENTRIES : VNIC_WQ_BUF_DFLT_BLK_ENTRIES))
+#define VNIC_WQ_BUF_BLK_SZ(entries) \
+	(VNIC_WQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_wq_buf))
+#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \
+	DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES(entries))
+#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096)
+
+struct vnic_wq {
+	unsigned int index;
+	struct vnic_dev *vdev;
+	struct vnic_wq_ctrl __iomem *ctrl;              /* memory-mapped */
+	struct vnic_dev_ring ring;
+	struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX];
+	struct vnic_wq_buf *to_use;
+	struct vnic_wq_buf *to_clean;
+	unsigned int pkts_outstanding;
+};
+
+static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq)
+{
+	/* how many does SW own? */
+	return wq->ring.desc_avail;
+}
+
+static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq)
+{
+	/* how many does HW own? */
+	return wq->ring.desc_count - wq->ring.desc_avail - 1;
+}
+
+static inline void *vnic_wq_next_desc(struct vnic_wq *wq)
+{
+	return wq->to_use->desc;
+}
+
+static inline void vnic_wq_post(struct vnic_wq *wq,
+	void *os_buf, dma_addr_t dma_addr,
+	unsigned int len, int sop, int eop)
+{
+	struct vnic_wq_buf *buf = wq->to_use;
+
+	buf->sop = sop;
+	buf->os_buf = eop ? os_buf : NULL;
+	buf->dma_addr = dma_addr;
+	buf->len = len;
+
+	buf = buf->next;
+	if (eop) {
+		/* Adding write memory barrier prevents compiler and/or CPU
+		 * reordering, thus avoiding descriptor posting before
+		 * descriptor is initialized. Otherwise, hardware can read
+		 * stale descriptor fields.
+		 */
+		wmb();
+		iowrite32(buf->index, &wq->ctrl->posted_index);
+	}
+	wq->to_use = buf;
+
+	wq->ring.desc_avail--;
+}
+
+static inline void vnic_wq_service(struct vnic_wq *wq,
+	struct cq_desc *cq_desc, u16 completed_index,
+	void (*buf_service)(struct vnic_wq *wq,
+	struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque),
+	void *opaque)
+{
+	struct vnic_wq_buf *buf;
+
+	buf = wq->to_clean;
+	while (1) {
+
+		(*buf_service)(wq, cq_desc, buf, opaque);
+
+		wq->ring.desc_avail++;
+
+		wq->to_clean = buf->next;
+
+		if (buf->index == completed_index)
+			break;
+
+		buf = wq->to_clean;
+	}
+}
+
+void vnic_wq_free(struct vnic_wq *wq);
+int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
+	unsigned int desc_count, unsigned int desc_size);
+void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
+	unsigned int error_interrupt_enable,
+	unsigned int error_interrupt_offset);
+unsigned int vnic_wq_error_status(struct vnic_wq *wq);
+void vnic_wq_enable(struct vnic_wq *wq);
+int vnic_wq_disable(struct vnic_wq *wq);
+void vnic_wq_clean(struct vnic_wq *wq,
+	void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf));
+
+#endif /* _VNIC_WQ_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/wq_enet_desc.h b/drivers/net/ethernet/cisco/enic/wq_enet_desc.h
new file mode 100644
index 00000000000..c7021e3a631
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/wq_enet_desc.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _WQ_ENET_DESC_H_
+#define _WQ_ENET_DESC_H_
+
+/* Ethernet work queue descriptor: 16B */
+struct wq_enet_desc {
+	__le64 address;
+	__le16 length;
+	__le16 mss_loopback;
+	__le16 header_length_flags;
+	__le16 vlan_tag;
+};
+
+#define WQ_ENET_ADDR_BITS		64
+#define WQ_ENET_LEN_BITS		14
+#define WQ_ENET_LEN_MASK		((1 << WQ_ENET_LEN_BITS) - 1)
+#define WQ_ENET_MSS_BITS		14
+#define WQ_ENET_MSS_MASK		((1 << WQ_ENET_MSS_BITS) - 1)
+#define WQ_ENET_MSS_SHIFT		2
+#define WQ_ENET_LOOPBACK_SHIFT		1
+#define WQ_ENET_HDRLEN_BITS		10
+#define WQ_ENET_HDRLEN_MASK		((1 << WQ_ENET_HDRLEN_BITS) - 1)
+#define WQ_ENET_FLAGS_OM_BITS		2
+#define WQ_ENET_FLAGS_OM_MASK		((1 << WQ_ENET_FLAGS_OM_BITS) - 1)
+#define WQ_ENET_FLAGS_EOP_SHIFT		12
+#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT	13
+#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT	14
+#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT	15
+
+#define WQ_ENET_OFFLOAD_MODE_CSUM	0
+#define WQ_ENET_OFFLOAD_MODE_RESERVED	1
+#define WQ_ENET_OFFLOAD_MODE_CSUM_L4	2
+#define WQ_ENET_OFFLOAD_MODE_TSO	3
+
+static inline void wq_enet_desc_enc(struct wq_enet_desc *desc,
+	u64 address, u16 length, u16 mss, u16 header_length,
+	u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap,
+	u8 vlan_tag_insert, u16 vlan_tag, u8 loopback)
+{
+	desc->address = cpu_to_le64(address);
+	desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK);
+	desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) <<
+		WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT);
+	desc->header_length_flags = cpu_to_le16(
+		(header_length & WQ_ENET_HDRLEN_MASK) |
+		(offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS |
+		(eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT |
+		(cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT |
+		(fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT |
+		(vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT);
+	desc->vlan_tag = cpu_to_le16(vlan_tag);
+}
+
+static inline void wq_enet_desc_dec(struct wq_enet_desc *desc,
+	u64 *address, u16 *length, u16 *mss, u16 *header_length,
+	u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap,
+	u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback)
+{
+	*address = le64_to_cpu(desc->address);
+	*length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK;
+	*mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) &
+		WQ_ENET_MSS_MASK;
+	*loopback = (u8)((le16_to_cpu(desc->mss_loopback) >>
+		WQ_ENET_LOOPBACK_SHIFT) & 1);
+	*header_length = le16_to_cpu(desc->header_length_flags) &
+		WQ_ENET_HDRLEN_MASK;
+	*offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >>
+		WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK);
+	*eop = (u8)((le16_to_cpu(desc->header_length_flags) >>
+		WQ_ENET_FLAGS_EOP_SHIFT) & 1);
+	*cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >>
+		WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1);
+	*fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >>
+		WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1);
+	*vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >>
+		WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1);
+	*vlan_tag = le16_to_cpu(desc->vlan_tag);
+}
+
+#endif /* _WQ_ENET_DESC_H_ */