Initial import

1 files changed, 1434 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
new file mode 100644
index 000000000..1d17b5872
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -0,0 +1,1434 @@
+/*******************************************************************************
+
+  Intel 10 Gigabit PCI Express Linux driver
+  Copyright(c) 1999 - 2014 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  Linux NICS <linux.nics@intel.com>
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+#include <linux/string.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/ipv6.h>
+#include <linux/if_bridge.h>
+#ifdef NETIF_F_HW_VLAN_CTAG_TX
+#include <linux/if_vlan.h>
+#endif
+
+#include "ixgbe.h"
+#include "ixgbe_type.h"
+#include "ixgbe_sriov.h"
+
+#ifdef CONFIG_PCI_IOV
+static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int num_vf_macvlans, i;
+	struct vf_macvlans *mv_list;
+
+	adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED;
+	e_info(probe, "SR-IOV enabled with %d VFs\n", adapter->num_vfs);
+
+	/* Enable VMDq flag so device will be set in VM mode */
+	adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED;
+	if (!adapter->ring_feature[RING_F_VMDQ].limit)
+		adapter->ring_feature[RING_F_VMDQ].limit = 1;
+	adapter->ring_feature[RING_F_VMDQ].offset = adapter->num_vfs;
+
+	num_vf_macvlans = hw->mac.num_rar_entries -
+	(IXGBE_MAX_PF_MACVLANS + 1 + adapter->num_vfs);
+
+	adapter->mv_list = mv_list = kcalloc(num_vf_macvlans,
+					     sizeof(struct vf_macvlans),
+					     GFP_KERNEL);
+	if (mv_list) {
+		/* Initialize list of VF macvlans */
+		INIT_LIST_HEAD(&adapter->vf_mvs.l);
+		for (i = 0; i < num_vf_macvlans; i++) {
+			mv_list->vf = -1;
+			mv_list->free = true;
+			list_add(&mv_list->l, &adapter->vf_mvs.l);
+			mv_list++;
+		}
+	}
+
+	/* Initialize default switching mode VEB */
+	IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
+	adapter->bridge_mode = BRIDGE_MODE_VEB;
+
+	/* If call to enable VFs succeeded then allocate memory
+	 * for per VF control structures.
+	 */
+	adapter->vfinfo =
+		kcalloc(adapter->num_vfs,
+			sizeof(struct vf_data_storage), GFP_KERNEL);
+	if (adapter->vfinfo) {
+		/* limit trafffic classes based on VFs enabled */
+		if ((adapter->hw.mac.type == ixgbe_mac_82599EB) &&
+		    (adapter->num_vfs < 16)) {
+			adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
+			adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
+		} else if (adapter->num_vfs < 32) {
+			adapter->dcb_cfg.num_tcs.pg_tcs = 4;
+			adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
+		} else {
+			adapter->dcb_cfg.num_tcs.pg_tcs = 1;
+			adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
+		}
+
+		/* Disable RSC when in SR-IOV mode */
+		adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
+				     IXGBE_FLAG2_RSC_ENABLED);
+
+		for (i = 0; i < adapter->num_vfs; i++) {
+			/* enable spoof checking for all VFs */
+			adapter->vfinfo[i].spoofchk_enabled = true;
+
+			/* We support VF RSS querying only for 82599 and x540
+			 * devices at the moment. These devices share RSS
+			 * indirection table and RSS hash key with PF therefore
+			 * we want to disable the querying by default.
+			 */
+			adapter->vfinfo[i].rss_query_enabled = 0;
+		}
+
+		return 0;
+	}
+
+	return -ENOMEM;
+}
+
+/* Note this function is called when the user wants to enable SR-IOV
+ * VFs using the now deprecated module parameter
+ */
+void ixgbe_enable_sriov(struct ixgbe_adapter *adapter)
+{
+	int pre_existing_vfs = 0;
+
+	pre_existing_vfs = pci_num_vf(adapter->pdev);
+	if (!pre_existing_vfs && !adapter->num_vfs)
+		return;
+
+	/* If there are pre-existing VFs then we have to force
+	 * use of that many - over ride any module parameter value.
+	 * This may result from the user unloading the PF driver
+	 * while VFs were assigned to guest VMs or because the VFs
+	 * have been created via the new PCI SR-IOV sysfs interface.
+	 */
+	if (pre_existing_vfs) {
+		adapter->num_vfs = pre_existing_vfs;
+		dev_warn(&adapter->pdev->dev,
+			 "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n");
+	} else {
+		int err;
+		/*
+		 * The 82599 supports up to 64 VFs per physical function
+		 * but this implementation limits allocation to 63 so that
+		 * basic networking resources are still available to the
+		 * physical function.  If the user requests greater than
+		 * 63 VFs then it is an error - reset to default of zero.
+		 */
+		adapter->num_vfs = min_t(unsigned int, adapter->num_vfs, IXGBE_MAX_VFS_DRV_LIMIT);
+
+		err = pci_enable_sriov(adapter->pdev, adapter->num_vfs);
+		if (err) {
+			e_err(probe, "Failed to enable PCI sriov: %d\n", err);
+			adapter->num_vfs = 0;
+			return;
+		}
+	}
+
+	if (!__ixgbe_enable_sriov(adapter))
+		return;
+
+	/* If we have gotten to this point then there is no memory available
+	 * to manage the VF devices - print message and bail.
+	 */
+	e_err(probe, "Unable to allocate memory for VF Data Storage - "
+	      "SRIOV disabled\n");
+	ixgbe_disable_sriov(adapter);
+}
+
+#endif /* #ifdef CONFIG_PCI_IOV */
+int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 gpie;
+	u32 vmdctl;
+	int rss;
+
+	/* set num VFs to 0 to prevent access to vfinfo */
+	adapter->num_vfs = 0;
+
+	/* free VF control structures */
+	kfree(adapter->vfinfo);
+	adapter->vfinfo = NULL;
+
+	/* free macvlan list */
+	kfree(adapter->mv_list);
+	adapter->mv_list = NULL;
+
+	/* if SR-IOV is already disabled then there is nothing to do */
+	if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
+		return 0;
+
+#ifdef CONFIG_PCI_IOV
+	/*
+	 * If our VFs are assigned we cannot shut down SR-IOV
+	 * without causing issues, so just leave the hardware
+	 * available but disabled
+	 */
+	if (pci_vfs_assigned(adapter->pdev)) {
+		e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
+		return -EPERM;
+	}
+	/* disable iov and allow time for transactions to clear */
+	pci_disable_sriov(adapter->pdev);
+#endif
+
+	/* turn off device IOV mode */
+	IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0);
+	gpie = IXGBE_READ_REG(hw, IXGBE_GPIE);
+	gpie &= ~IXGBE_GPIE_VTMODE_MASK;
+	IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
+
+	/* set default pool back to 0 */
+	vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
+	vmdctl &= ~IXGBE_VT_CTL_POOL_MASK;
+	IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl);
+	IXGBE_WRITE_FLUSH(hw);
+
+	/* Disable VMDq flag so device will be set in VM mode */
+	if (adapter->ring_feature[RING_F_VMDQ].limit == 1) {
+		adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
+		adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
+		rss = min_t(int, ixgbe_max_rss_indices(adapter),
+			    num_online_cpus());
+	} else {
+		rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus());
+	}
+
+	adapter->ring_feature[RING_F_VMDQ].offset = 0;
+	adapter->ring_feature[RING_F_RSS].limit = rss;
+
+	/* take a breather then clean up driver data */
+	msleep(100);
+	return 0;
+}
+
+static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs)
+{
+#ifdef CONFIG_PCI_IOV
+	struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
+	int err = 0;
+	int i;
+	int pre_existing_vfs = pci_num_vf(dev);
+
+	if (pre_existing_vfs && pre_existing_vfs != num_vfs)
+		err = ixgbe_disable_sriov(adapter);
+	else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
+		return num_vfs;
+
+	if (err)
+		return err;
+
+	/* While the SR-IOV capability structure reports total VFs to be 64,
+	 * we have to limit the actual number allocated based on two factors.
+	 * First, we reserve some transmit/receive resources for the PF.
+	 * Second, VMDQ also uses the same pools that SR-IOV does. We need to
+	 * account for this, so that we don't accidentally allocate more VFs
+	 * than we have available pools. The PCI bus driver already checks for
+	 * other values out of range.
+	 */
+	if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VF_FUNCTIONS)
+		return -EPERM;
+
+	adapter->num_vfs = num_vfs;
+
+	err = __ixgbe_enable_sriov(adapter);
+	if (err)
+		return  err;
+
+	for (i = 0; i < adapter->num_vfs; i++)
+		ixgbe_vf_configuration(dev, (i | 0x10000000));
+
+	err = pci_enable_sriov(dev, num_vfs);
+	if (err) {
+		e_dev_warn("Failed to enable PCI sriov: %d\n", err);
+		return err;
+	}
+	ixgbe_sriov_reinit(adapter);
+
+	return num_vfs;
+#else
+	return 0;
+#endif
+}
+
+static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
+{
+	struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
+	int err;
+#ifdef CONFIG_PCI_IOV
+	u32 current_flags = adapter->flags;
+#endif
+
+	err = ixgbe_disable_sriov(adapter);
+
+	/* Only reinit if no error and state changed */
+#ifdef CONFIG_PCI_IOV
+	if (!err && current_flags != adapter->flags)
+		ixgbe_sriov_reinit(adapter);
+#endif
+
+	return err;
+}
+
+int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
+{
+	if (num_vfs == 0)
+		return ixgbe_pci_sriov_disable(dev);
+	else
+		return ixgbe_pci_sriov_enable(dev, num_vfs);
+}
+
+static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
+				   u32 *msgbuf, u32 vf)
+{
+	int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
+		       >> IXGBE_VT_MSGINFO_SHIFT;
+	u16 *hash_list = (u16 *)&msgbuf[1];
+	struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
+	struct ixgbe_hw *hw = &adapter->hw;
+	int i;
+	u32 vector_bit;
+	u32 vector_reg;
+	u32 mta_reg;
+	u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+
+	/* only so many hash values supported */
+	entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
+
+	/*
+	 * salt away the number of multi cast addresses assigned
+	 * to this VF for later use to restore when the PF multi cast
+	 * list changes
+	 */
+	vfinfo->num_vf_mc_hashes = entries;
+
+	/*
+	 * VFs are limited to using the MTA hash table for their multicast
+	 * addresses
+	 */
+	for (i = 0; i < entries; i++) {
+		vfinfo->vf_mc_hashes[i] = hash_list[i];
+	}
+
+	for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
+		vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
+		vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
+		mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
+		mta_reg |= (1 << vector_bit);
+		IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+	}
+	vmolr |= IXGBE_VMOLR_ROMPE;
+	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+
+	return 0;
+}
+
+#ifdef CONFIG_PCI_IOV
+void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct vf_data_storage *vfinfo;
+	int i, j;
+	u32 vector_bit;
+	u32 vector_reg;
+	u32 mta_reg;
+
+	for (i = 0; i < adapter->num_vfs; i++) {
+		u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i));
+		vfinfo = &adapter->vfinfo[i];
+		for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
+			hw->addr_ctrl.mta_in_use++;
+			vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
+			vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
+			mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
+			mta_reg |= (1 << vector_bit);
+			IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+		}
+
+		if (vfinfo->num_vf_mc_hashes)
+			vmolr |= IXGBE_VMOLR_ROMPE;
+		else
+			vmolr &= ~IXGBE_VMOLR_ROMPE;
+		IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
+	}
+
+	/* Restore any VF macvlans */
+	ixgbe_full_sync_mac_table(adapter);
+}
+#endif
+
+static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
+			     u32 vf)
+{
+	/* VLAN 0 is a special case, don't allow it to be removed */
+	if (!vid && !add)
+		return 0;
+
+	return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
+}
+
+static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int max_frame = msgbuf[1];
+	u32 max_frs;
+
+	/*
+	 * For 82599EB we have to keep all PFs and VFs operating with
+	 * the same max_frame value in order to avoid sending an oversize
+	 * frame to a VF.  In order to guarantee this is handled correctly
+	 * for all cases we have several special exceptions to take into
+	 * account before we can enable the VF for receive
+	 */
+	if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+		struct net_device *dev = adapter->netdev;
+		int pf_max_frame = dev->mtu + ETH_HLEN;
+		u32 reg_offset, vf_shift, vfre;
+		s32 err = 0;
+
+#ifdef CONFIG_FCOE
+		if (dev->features & NETIF_F_FCOE_MTU)
+			pf_max_frame = max_t(int, pf_max_frame,
+					     IXGBE_FCOE_JUMBO_FRAME_SIZE);
+
+#endif /* CONFIG_FCOE */
+		switch (adapter->vfinfo[vf].vf_api) {
+		case ixgbe_mbox_api_11:
+		case ixgbe_mbox_api_12:
+			/*
+			 * Version 1.1 supports jumbo frames on VFs if PF has
+			 * jumbo frames enabled which means legacy VFs are
+			 * disabled
+			 */
+			if (pf_max_frame > ETH_FRAME_LEN)
+				break;
+		default:
+			/*
+			 * If the PF or VF are running w/ jumbo frames enabled
+			 * we need to shut down the VF Rx path as we cannot
+			 * support jumbo frames on legacy VFs
+			 */
+			if ((pf_max_frame > ETH_FRAME_LEN) ||
+			    (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
+				err = -EINVAL;
+			break;
+		}
+
+		/* determine VF receive enable location */
+		vf_shift = vf % 32;
+		reg_offset = vf / 32;
+
+		/* enable or disable receive depending on error */
+		vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
+		if (err)
+			vfre &= ~(1 << vf_shift);
+		else
+			vfre |= 1 << vf_shift;
+		IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
+
+		if (err) {
+			e_err(drv, "VF max_frame %d out of range\n", max_frame);
+			return err;
+		}
+	}
+
+	/* MTU < 68 is an error and causes problems on some kernels */
+	if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
+		e_err(drv, "VF max_frame %d out of range\n", max_frame);
+		return -EINVAL;
+	}
+
+	/* pull current max frame size from hardware */
+	max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
+	max_frs &= IXGBE_MHADD_MFS_MASK;
+	max_frs >>= IXGBE_MHADD_MFS_SHIFT;
+
+	if (max_frs < max_frame) {
+		max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
+		IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
+	}
+
+	e_info(hw, "VF requests change max MTU to %d\n", max_frame);
+
+	return 0;
+}
+
+static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
+{
+	u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+	vmolr |= IXGBE_VMOLR_BAM;
+	if (aupe)
+		vmolr |= IXGBE_VMOLR_AUPE;
+	else
+		vmolr &= ~IXGBE_VMOLR_AUPE;
+	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+}
+
+static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+
+	IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
+}
+static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
+	u8 num_tcs = netdev_get_num_tc(adapter->netdev);
+
+	/* add PF assigned VLAN or VLAN 0 */
+	ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf);
+
+	/* reset offloads to defaults */
+	ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan);
+
+	/* set outgoing tags for VFs */
+	if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) {
+		ixgbe_clear_vmvir(adapter, vf);
+	} else {
+		if (vfinfo->pf_qos || !num_tcs)
+			ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
+					vfinfo->pf_qos, vf);
+		else
+			ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
+					adapter->default_up, vf);
+
+		if (vfinfo->spoofchk_enabled)
+			hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+	}
+
+	/* reset multicast table array for vf */
+	adapter->vfinfo[vf].num_vf_mc_hashes = 0;
+
+	/* Flush and reset the mta with the new values */
+	ixgbe_set_rx_mode(adapter->netdev);
+
+	ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
+
+	/* reset VF api back to unknown */
+	adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
+}
+
+static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
+			    int vf, unsigned char *mac_addr)
+{
+	ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
+	memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN);
+	ixgbe_add_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
+
+	return 0;
+}
+
+static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
+				int vf, int index, unsigned char *mac_addr)
+{
+	struct list_head *pos;
+	struct vf_macvlans *entry;
+
+	if (index <= 1) {
+		list_for_each(pos, &adapter->vf_mvs.l) {
+			entry = list_entry(pos, struct vf_macvlans, l);
+			if (entry->vf == vf) {
+				entry->vf = -1;
+				entry->free = true;
+				entry->is_macvlan = false;
+				ixgbe_del_mac_filter(adapter,
+						     entry->vf_macvlan, vf);
+			}
+		}
+	}
+
+	/*
+	 * If index was zero then we were asked to clear the uc list
+	 * for the VF.  We're done.
+	 */
+	if (!index)
+		return 0;
+
+	entry = NULL;
+
+	list_for_each(pos, &adapter->vf_mvs.l) {
+		entry = list_entry(pos, struct vf_macvlans, l);
+		if (entry->free)
+			break;
+	}
+
+	/*
+	 * If we traversed the entire list and didn't find a free entry
+	 * then we're out of space on the RAR table.  Also entry may
+	 * be NULL because the original memory allocation for the list
+	 * failed, which is not fatal but does mean we can't support
+	 * VF requests for MACVLAN because we couldn't allocate
+	 * memory for the list management required.
+	 */
+	if (!entry || !entry->free)
+		return -ENOSPC;
+
+	entry->free = false;
+	entry->is_macvlan = true;
+	entry->vf = vf;
+	memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
+
+	ixgbe_add_mac_filter(adapter, mac_addr, vf);
+
+	return 0;
+}
+
+int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
+{
+	struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
+	unsigned int vfn = (event_mask & 0x3f);
+
+	bool enable = ((event_mask & 0x10000000U) != 0);
+
+	if (enable)
+		eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses);
+
+	return 0;
+}
+
+static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
+				   u32 qde)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+	u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+	int i;
+
+	for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) {
+		u32 reg;
+
+		/* flush previous write */
+		IXGBE_WRITE_FLUSH(hw);
+
+		/* indicate to hardware that we want to set drop enable */
+		reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE;
+		reg |= i <<  IXGBE_QDE_IDX_SHIFT;
+		IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
+	}
+}
+
+static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
+{
+	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+	struct ixgbe_hw *hw = &adapter->hw;
+	unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
+	u32 reg, reg_offset, vf_shift;
+	u32 msgbuf[4] = {0, 0, 0, 0};
+	u8 *addr = (u8 *)(&msgbuf[1]);
+	u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+	int i;
+
+	e_info(probe, "VF Reset msg received from vf %d\n", vf);
+
+	/* reset the filters for the device */
+	ixgbe_vf_reset_event(adapter, vf);
+
+	/* set vf mac address */
+	if (!is_zero_ether_addr(vf_mac))
+		ixgbe_set_vf_mac(adapter, vf, vf_mac);
+
+	vf_shift = vf % 32;
+	reg_offset = vf / 32;
+
+	/* enable transmit for vf */
+	reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
+	reg |= 1 << vf_shift;
+	IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
+
+	/* force drop enable for all VF Rx queues */
+	ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
+
+	/* enable receive for vf */
+	reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
+	reg |= 1 << vf_shift;
+	/*
+	 * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
+	 * For more info take a look at ixgbe_set_vf_lpe
+	 */
+	if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+		struct net_device *dev = adapter->netdev;
+		int pf_max_frame = dev->mtu + ETH_HLEN;
+
+#ifdef CONFIG_FCOE
+		if (dev->features & NETIF_F_FCOE_MTU)
+			pf_max_frame = max_t(int, pf_max_frame,
+					     IXGBE_FCOE_JUMBO_FRAME_SIZE);
+
+#endif /* CONFIG_FCOE */
+		if (pf_max_frame > ETH_FRAME_LEN)
+			reg &= ~(1 << vf_shift);
+	}
+	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
+
+	/* enable VF mailbox for further messages */
+	adapter->vfinfo[vf].clear_to_send = true;
+
+	/* Enable counting of spoofed packets in the SSVPC register */
+	reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
+	reg |= (1 << vf_shift);
+	IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
+
+	/*
+	 * Reset the VFs TDWBAL and TDWBAH registers
+	 * which are not cleared by an FLR
+	 */
+	for (i = 0; i < q_per_pool; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0);
+	}
+
+	/* reply to reset with ack and vf mac address */
+	msgbuf[0] = IXGBE_VF_RESET;
+	if (!is_zero_ether_addr(vf_mac)) {
+		msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
+		memcpy(addr, vf_mac, ETH_ALEN);
+	} else {
+		msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+		dev_warn(&adapter->pdev->dev,
+			 "VF %d has no MAC address assigned, you may have to assign one manually\n",
+			 vf);
+	}
+
+	/*
+	 * Piggyback the multicast filter type so VF can compute the
+	 * correct vectors
+	 */
+	msgbuf[3] = hw->mac.mc_filter_type;
+	ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
+
+	return 0;
+}
+
+static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
+				 u32 *msgbuf, u32 vf)
+{
+	u8 *new_mac = ((u8 *)(&msgbuf[1]));
+
+	if (!is_valid_ether_addr(new_mac)) {
+		e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
+		return -1;
+	}
+
+	if (adapter->vfinfo[vf].pf_set_mac &&
+	    !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) {
+		e_warn(drv,
+		       "VF %d attempted to override administratively set MAC address\n"
+		       "Reload the VF driver to resume operations\n",
+		       vf);
+		return -1;
+	}
+
+	return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0;
+}
+
+static int ixgbe_find_vlvf_entry(struct ixgbe_hw *hw, u32 vlan)
+{
+	u32 vlvf;
+	s32 regindex;
+
+	/* short cut the special case */
+	if (vlan == 0)
+		return 0;
+
+	/* Search for the vlan id in the VLVF entries */
+	for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
+		vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
+		if ((vlvf & VLAN_VID_MASK) == vlan)
+			break;
+	}
+
+	/* Return a negative value if not found */
+	if (regindex >= IXGBE_VLVF_ENTRIES)
+		regindex = -1;
+
+	return regindex;
+}
+
+static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
+				 u32 *msgbuf, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
+	int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
+	int err;
+	s32 reg_ndx;
+	u32 vlvf;
+	u32 bits;
+	u8 tcs = netdev_get_num_tc(adapter->netdev);
+
+	if (adapter->vfinfo[vf].pf_vlan || tcs) {
+		e_warn(drv,
+		       "VF %d attempted to override administratively set VLAN configuration\n"
+		       "Reload the VF driver to resume operations\n",
+		       vf);
+		return -1;
+	}
+
+	if (add)
+		adapter->vfinfo[vf].vlan_count++;
+	else if (adapter->vfinfo[vf].vlan_count)
+		adapter->vfinfo[vf].vlan_count--;
+
+	/* in case of promiscuous mode any VLAN filter set for a VF must
+	 * also have the PF pool added to it.
+	 */
+	if (add && adapter->netdev->flags & IFF_PROMISC)
+		err = ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0));
+
+	err = ixgbe_set_vf_vlan(adapter, add, vid, vf);
+	if (!err && adapter->vfinfo[vf].spoofchk_enabled)
+		hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+
+	/* Go through all the checks to see if the VLAN filter should
+	 * be wiped completely.
+	 */
+	if (!add && adapter->netdev->flags & IFF_PROMISC) {
+		reg_ndx = ixgbe_find_vlvf_entry(hw, vid);
+		if (reg_ndx < 0)
+			return err;
+		vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(reg_ndx));
+		/* See if any other pools are set for this VLAN filter
+		 * entry other than the PF.
+		 */
+		if (VMDQ_P(0) < 32) {
+			bits = IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2));
+			bits &= ~(1 << VMDQ_P(0));
+			bits |= IXGBE_READ_REG(hw,
+					       IXGBE_VLVFB(reg_ndx * 2) + 1);
+		} else {
+			bits = IXGBE_READ_REG(hw,
+					      IXGBE_VLVFB(reg_ndx * 2) + 1);
+			bits &= ~(1 << (VMDQ_P(0) - 32));
+			bits |= IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2));
+		}
+
+		/* If the filter was removed then ensure PF pool bit
+		 * is cleared if the PF only added itself to the pool
+		 * because the PF is in promiscuous mode.
+		 */
+		if ((vlvf & VLAN_VID_MASK) == vid &&
+		    !test_bit(vid, adapter->active_vlans) && !bits)
+			ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0));
+	}
+
+	return err;
+}
+
+static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
+				    u32 *msgbuf, u32 vf)
+{
+	u8 *new_mac = ((u8 *)(&msgbuf[1]));
+	int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
+		    IXGBE_VT_MSGINFO_SHIFT;
+	int err;
+
+	if (adapter->vfinfo[vf].pf_set_mac && index > 0) {
+		e_warn(drv,
+		       "VF %d requested MACVLAN filter but is administratively denied\n",
+		       vf);
+		return -1;
+	}
+
+	/* An non-zero index indicates the VF is setting a filter */
+	if (index) {
+		if (!is_valid_ether_addr(new_mac)) {
+			e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
+			return -1;
+		}
+
+		/*
+		 * If the VF is allowed to set MAC filters then turn off
+		 * anti-spoofing to avoid false positives.
+		 */
+		if (adapter->vfinfo[vf].spoofchk_enabled)
+			ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false);
+	}
+
+	err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac);
+	if (err == -ENOSPC)
+		e_warn(drv,
+		       "VF %d has requested a MACVLAN filter but there is no space for it\n",
+		       vf);
+
+	return err < 0;
+}
+
+static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
+				  u32 *msgbuf, u32 vf)
+{
+	int api = msgbuf[1];
+
+	switch (api) {
+	case ixgbe_mbox_api_10:
+	case ixgbe_mbox_api_11:
+	case ixgbe_mbox_api_12:
+		adapter->vfinfo[vf].vf_api = api;
+		return 0;
+	default:
+		break;
+	}
+
+	e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
+
+	return -1;
+}
+
+static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
+			       u32 *msgbuf, u32 vf)
+{
+	struct net_device *dev = adapter->netdev;
+	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+	unsigned int default_tc = 0;
+	u8 num_tcs = netdev_get_num_tc(dev);
+
+	/* verify the PF is supporting the correct APIs */
+	switch (adapter->vfinfo[vf].vf_api) {
+	case ixgbe_mbox_api_20:
+	case ixgbe_mbox_api_11:
+	case ixgbe_mbox_api_12:
+		break;
+	default:
+		return -1;
+	}
+
+	/* only allow 1 Tx queue for bandwidth limiting */
+	msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
+	msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
+
+	/* if TCs > 1 determine which TC belongs to default user priority */
+	if (num_tcs > 1)
+		default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);
+
+	/* notify VF of need for VLAN tag stripping, and correct queue */
+	if (num_tcs)
+		msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
+	else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
+		msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
+	else
+		msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
+
+	/* notify VF of default queue */
+	msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
+
+	return 0;
+}
+
+static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+	u32 i, j;
+	u32 *out_buf = &msgbuf[1];
+	const u8 *reta = adapter->rss_indir_tbl;
+	u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
+
+	/* Check if operation is permitted */
+	if (!adapter->vfinfo[vf].rss_query_enabled)
+		return -EPERM;
+
+	/* verify the PF is supporting the correct API */
+	if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
+		return -EOPNOTSUPP;
+
+	/* This mailbox command is supported (required) only for 82599 and x540
+	 * VFs which support up to 4 RSS queues. Therefore we will compress the
+	 * RETA by saving only 2 bits from each entry. This way we will be able
+	 * to transfer the whole RETA in a single mailbox operation.
+	 */
+	for (i = 0; i < reta_size / 16; i++) {
+		out_buf[i] = 0;
+		for (j = 0; j < 16; j++)
+			out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
+	}
+
+	return 0;
+}
+
+static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
+				u32 *msgbuf, u32 vf)
+{
+	u32 *rss_key = &msgbuf[1];
+
+	/* Check if the operation is permitted */
+	if (!adapter->vfinfo[vf].rss_query_enabled)
+		return -EPERM;
+
+	/* verify the PF is supporting the correct API */
+	if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
+		return -EOPNOTSUPP;
+
+	memcpy(rss_key, adapter->rss_key, sizeof(adapter->rss_key));
+
+	return 0;
+}
+
+static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
+{
+	u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
+	u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
+	struct ixgbe_hw *hw = &adapter->hw;
+	s32 retval;
+
+	retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
+
+	if (retval) {
+		pr_err("Error receiving message from VF\n");
+		return retval;
+	}
+
+	/* this is a message we already processed, do nothing */
+	if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
+		return 0;
+
+	/* flush the ack before we write any messages back */
+	IXGBE_WRITE_FLUSH(hw);
+
+	if (msgbuf[0] == IXGBE_VF_RESET)
+		return ixgbe_vf_reset_msg(adapter, vf);
+
+	/*
+	 * until the vf completes a virtual function reset it should not be
+	 * allowed to start any configuration.
+	 */
+	if (!adapter->vfinfo[vf].clear_to_send) {
+		msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+		ixgbe_write_mbx(hw, msgbuf, 1, vf);
+		return 0;
+	}
+
+	switch ((msgbuf[0] & 0xFFFF)) {
+	case IXGBE_VF_SET_MAC_ADDR:
+		retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_SET_MULTICAST:
+		retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_SET_VLAN:
+		retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_SET_LPE:
+		retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_SET_MACVLAN:
+		retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_API_NEGOTIATE:
+		retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_GET_QUEUES:
+		retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_GET_RETA:
+		retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
+		break;
+	case IXGBE_VF_GET_RSS_KEY:
+		retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
+		break;
+	default:
+		e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
+		retval = IXGBE_ERR_MBX;
+		break;
+	}
+
+	/* notify the VF of the results of what it sent us */
+	if (retval)
+		msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+	else
+		msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
+
+	msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
+
+	ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
+
+	return retval;
+}
+
+static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 msg = IXGBE_VT_MSGTYPE_NACK;
+
+	/* if device isn't clear to send it shouldn't be reading either */
+	if (!adapter->vfinfo[vf].clear_to_send)
+		ixgbe_write_mbx(hw, &msg, 1, vf);
+}
+
+void ixgbe_msg_task(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 vf;
+
+	for (vf = 0; vf < adapter->num_vfs; vf++) {
+		/* process any reset requests */
+		if (!ixgbe_check_for_rst(hw, vf))
+			ixgbe_vf_reset_event(adapter, vf);
+
+		/* process any messages pending */
+		if (!ixgbe_check_for_msg(hw, vf))
+			ixgbe_rcv_msg_from_vf(adapter, vf);
+
+		/* process any acks */
+		if (!ixgbe_check_for_ack(hw, vf))
+			ixgbe_rcv_ack_from_vf(adapter, vf);
+	}
+}
+
+void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+
+	/* disable transmit and receive for all vfs */
+	IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
+
+	IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
+}
+
+void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 ping;
+	int i;
+
+	for (i = 0 ; i < adapter->num_vfs; i++) {
+		ping = IXGBE_PF_CONTROL_MSG;
+		if (adapter->vfinfo[i].clear_to_send)
+			ping |= IXGBE_VT_MSGTYPE_CTS;
+		ixgbe_write_mbx(hw, &ping, 1, i);
+	}
+}
+
+int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs))
+		return -EINVAL;
+	adapter->vfinfo[vf].pf_set_mac = true;
+	dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
+	dev_info(&adapter->pdev->dev, "Reload the VF driver to make this"
+				      " change effective.");
+	if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+		dev_warn(&adapter->pdev->dev, "The VF MAC address has been set,"
+			 " but the PF device is not up.\n");
+		dev_warn(&adapter->pdev->dev, "Bring the PF device up before"
+			 " attempting to use the VF device.\n");
+	}
+	return ixgbe_set_vf_mac(adapter, vf, mac);
+}
+
+static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf,
+				  u16 vlan, u8 qos)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int err;
+
+	err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
+	if (err)
+		goto out;
+
+	ixgbe_set_vmvir(adapter, vlan, qos, vf);
+	ixgbe_set_vmolr(hw, vf, false);
+	if (adapter->vfinfo[vf].spoofchk_enabled)
+		hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+	adapter->vfinfo[vf].vlan_count++;
+
+	/* enable hide vlan on X550 */
+	if (hw->mac.type >= ixgbe_mac_X550)
+		ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE |
+				IXGBE_QDE_HIDE_VLAN);
+
+	adapter->vfinfo[vf].pf_vlan = vlan;
+	adapter->vfinfo[vf].pf_qos = qos;
+	dev_info(&adapter->pdev->dev,
+		 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
+	if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+		dev_warn(&adapter->pdev->dev,
+			 "The VF VLAN has been set, but the PF device is not up.\n");
+		dev_warn(&adapter->pdev->dev,
+			 "Bring the PF device up before attempting to use the VF device.\n");
+	}
+
+out:
+	return err;
+}
+
+static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int err;
+
+	err = ixgbe_set_vf_vlan(adapter, false,
+				adapter->vfinfo[vf].pf_vlan, vf);
+	ixgbe_clear_vmvir(adapter, vf);
+	ixgbe_set_vmolr(hw, vf, true);
+	hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
+	if (adapter->vfinfo[vf].vlan_count)
+		adapter->vfinfo[vf].vlan_count--;
+
+	/* disable hide VLAN on X550 */
+	if (hw->mac.type >= ixgbe_mac_X550)
+		ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
+
+	adapter->vfinfo[vf].pf_vlan = 0;
+	adapter->vfinfo[vf].pf_qos = 0;
+
+	return err;
+}
+
+int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
+{
+	int err = 0;
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+	if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
+		return -EINVAL;
+	if (vlan || qos) {
+		/* Check if there is already a port VLAN set, if so
+		 * we have to delete the old one first before we
+		 * can set the new one.  The usage model had
+		 * previously assumed the user would delete the
+		 * old port VLAN before setting a new one but this
+		 * is not necessarily the case.
+		 */
+		if (adapter->vfinfo[vf].pf_vlan)
+			err = ixgbe_disable_port_vlan(adapter, vf);
+		if (err)
+			goto out;
+		err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos);
+	} else {
+		err = ixgbe_disable_port_vlan(adapter, vf);
+	}
+
+out:
+	return err;
+}
+
+static int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
+{
+	switch (adapter->link_speed) {
+	case IXGBE_LINK_SPEED_100_FULL:
+		return 100;
+	case IXGBE_LINK_SPEED_1GB_FULL:
+		return 1000;
+	case IXGBE_LINK_SPEED_10GB_FULL:
+		return 10000;
+	default:
+		return 0;
+	}
+}
+
+static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
+{
+	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 bcnrc_val = 0;
+	u16 queue, queues_per_pool;
+	u16 tx_rate = adapter->vfinfo[vf].tx_rate;
+
+	if (tx_rate) {
+		/* start with base link speed value */
+		bcnrc_val = adapter->vf_rate_link_speed;
+
+		/* Calculate the rate factor values to set */
+		bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
+		bcnrc_val /= tx_rate;
+
+		/* clear everything but the rate factor */
+		bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
+			     IXGBE_RTTBCNRC_RF_DEC_MASK;
+
+		/* enable the rate scheduler */
+		bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
+	}
+
+	/*
+	 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
+	 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
+	 * and 0x004 otherwise.
+	 */
+	switch (hw->mac.type) {
+	case ixgbe_mac_82599EB:
+		IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
+		break;
+	case ixgbe_mac_X540:
+		IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
+		break;
+	default:
+		break;
+	}
+
+	/* determine how many queues per pool based on VMDq mask */
+	queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+
+	/* write value for all Tx queues belonging to VF */
+	for (queue = 0; queue < queues_per_pool; queue++) {
+		unsigned int reg_idx = (vf * queues_per_pool) + queue;
+
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
+		IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
+	}
+}
+
+void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
+{
+	int i;
+
+	/* VF Tx rate limit was not set */
+	if (!adapter->vf_rate_link_speed)
+		return;
+
+	if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
+		adapter->vf_rate_link_speed = 0;
+		dev_info(&adapter->pdev->dev,
+			 "Link speed has been changed. VF Transmit rate is disabled\n");
+	}
+
+	for (i = 0; i < adapter->num_vfs; i++) {
+		if (!adapter->vf_rate_link_speed)
+			adapter->vfinfo[i].tx_rate = 0;
+
+		ixgbe_set_vf_rate_limit(adapter, i);
+	}
+}
+
+int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
+			int max_tx_rate)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	int link_speed;
+
+	/* verify VF is active */
+	if (vf >= adapter->num_vfs)
+		return -EINVAL;
+
+	/* verify link is up */
+	if (!adapter->link_up)
+		return -EINVAL;
+
+	/* verify we are linked at 10Gbps */
+	link_speed = ixgbe_link_mbps(adapter);
+	if (link_speed != 10000)
+		return -EINVAL;
+
+	if (min_tx_rate)
+		return -EINVAL;
+
+	/* rate limit cannot be less than 10Mbs or greater than link speed */
+	if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed)))
+		return -EINVAL;
+
+	/* store values */
+	adapter->vf_rate_link_speed = link_speed;
+	adapter->vfinfo[vf].tx_rate = max_tx_rate;
+
+	/* update hardware configuration */
+	ixgbe_set_vf_rate_limit(adapter, vf);
+
+	return 0;
+}
+
+int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	int vf_target_reg = vf >> 3;
+	int vf_target_shift = vf % 8;
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 regval;
+
+	if (vf >= adapter->num_vfs)
+		return -EINVAL;
+
+	adapter->vfinfo[vf].spoofchk_enabled = setting;
+
+	regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
+	regval &= ~(1 << vf_target_shift);
+	regval |= (setting << vf_target_shift);
+	IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
+
+	if (adapter->vfinfo[vf].vlan_count) {
+		vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT;
+		regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
+		regval &= ~(1 << vf_target_shift);
+		regval |= (setting << vf_target_shift);
+		IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
+	}
+
+	return 0;
+}
+
+int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
+				  bool setting)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+	/* This operation is currently supported only for 82599 and x540
+	 * devices.
+	 */
+	if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
+	    adapter->hw.mac.type >= ixgbe_mac_X550)
+		return -EOPNOTSUPP;
+
+	if (vf >= adapter->num_vfs)
+		return -EINVAL;
+
+	adapter->vfinfo[vf].rss_query_enabled = setting;
+
+	return 0;
+}
+
+int ixgbe_ndo_get_vf_config(struct net_device *netdev,
+			    int vf, struct ifla_vf_info *ivi)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	if (vf >= adapter->num_vfs)
+		return -EINVAL;
+	ivi->vf = vf;
+	memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
+	ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate;
+	ivi->min_tx_rate = 0;
+	ivi->vlan = adapter->vfinfo[vf].pf_vlan;
+	ivi->qos = adapter->vfinfo[vf].pf_qos;
+	ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
+	ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
+	return 0;
+}