intel: Move the Intel wired LAN drivers

Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 687 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 000000000000..d99d01e21326
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -0,0 +1,687 @@
+/*******************************************************************************
+
+  Intel 10 Gigabit PCI Express Linux driver
+  Copyright(c) 1999 - 2011 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:
+  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>
+#ifdef NETIF_F_HW_VLAN_TX
+#include <linux/if_vlan.h>
+#endif
+
+#include "ixgbe.h"
+
+#include "ixgbe_sriov.h"
+
+static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
+				   int entries, u16 *hash_list, u32 vf)
+{
+	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;
+
+	/* 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);
+	}
+
+	return 0;
+}
+
+static void ixgbe_restore_vf_macvlans(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct list_head *pos;
+	struct vf_macvlans *entry;
+
+	list_for_each(pos, &adapter->vf_mvs.l) {
+		entry = list_entry(pos, struct vf_macvlans, l);
+		if (entry->free == false)
+			hw->mac.ops.set_rar(hw, entry->rar_entry,
+					    entry->vf_macvlan,
+					    entry->vf, IXGBE_RAH_AV);
+	}
+}
+
+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++) {
+		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);
+		}
+	}
+
+	/* Restore any VF macvlans */
+	ixgbe_restore_vf_macvlans(adapter);
+}
+
+static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
+			     u32 vf)
+{
+	return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
+}
+
+static void ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int new_mtu = msgbuf[1];
+	u32 max_frs;
+	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+
+	/* Only X540 supports jumbo frames in IOV mode */
+	if (adapter->hw.mac.type != ixgbe_mac_X540)
+		return;
+
+	/* MTU < 68 is an error and causes problems on some kernels */
+	if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE)) {
+		e_err(drv, "VF mtu %d out of range\n", new_mtu);
+		return;
+	}
+
+	max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) &
+		   IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT;
+	if (max_frs < new_mtu) {
+		max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT;
+		IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
+	}
+
+	e_info(hw, "VF requests change max MTU to %d\n", new_mtu);
+}
+
+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_ROMPE |
+		  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_set_vmvir(struct ixgbe_adapter *adapter, u32 vid, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+
+	if (vid)
+		IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf),
+				(vid | IXGBE_VMVIR_VLANA_DEFAULT));
+	else
+		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;
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+
+	/* reset offloads to defaults */
+	if (adapter->vfinfo[vf].pf_vlan) {
+		ixgbe_set_vf_vlan(adapter, true,
+				  adapter->vfinfo[vf].pf_vlan, vf);
+		ixgbe_set_vmvir(adapter,
+				(adapter->vfinfo[vf].pf_vlan |
+				 (adapter->vfinfo[vf].pf_qos <<
+				  VLAN_PRIO_SHIFT)), vf);
+		ixgbe_set_vmolr(hw, vf, false);
+	} else {
+		ixgbe_set_vmvir(adapter, 0, vf);
+		ixgbe_set_vmolr(hw, vf, true);
+	}
+
+	/* 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);
+
+	hw->mac.ops.clear_rar(hw, rar_entry);
+}
+
+static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
+			    int vf, unsigned char *mac_addr)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int rar_entry = hw->mac.num_rar_entries - (vf + 1);
+
+	memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 6);
+	hw->mac.ops.set_rar(hw, rar_entry, mac_addr, vf, IXGBE_RAH_AV);
+
+	return 0;
+}
+
+static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
+				int vf, int index, unsigned char *mac_addr)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	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;
+				hw->mac.ops.clear_rar(hw, entry->rar_entry);
+			}
+		}
+	}
+
+	/*
+	 * 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);
+
+	hw->mac.ops.set_rar(hw, entry->rar_entry, mac_addr, vf, IXGBE_RAH_AV);
+
+	return 0;
+}
+
+int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
+{
+	unsigned char vf_mac_addr[6];
+	struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
+	unsigned int vfn = (event_mask & 0x3f);
+
+	bool enable = ((event_mask & 0x10000000U) != 0);
+
+	if (enable) {
+		random_ether_addr(vf_mac_addr);
+		e_info(probe, "IOV: VF %d is enabled MAC %pM\n",
+		       vfn, vf_mac_addr);
+		/*
+		 * Store away the VF "permananet" MAC address, it will ask
+		 * for it later.
+		 */
+		memcpy(adapter->vfinfo[vfn].vf_mac_addresses, vf_mac_addr, 6);
+	}
+
+	return 0;
+}
+
+static inline void ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 reg;
+	u32 reg_offset, vf_shift;
+
+	vf_shift = vf % 32;
+	reg_offset = vf / 32;
+
+	/* enable transmit and receive for vf */
+	reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
+	reg |= (reg | (1 << vf_shift));
+	IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
+
+	reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
+	reg |= (reg | (1 << vf_shift));
+	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
+
+	/* 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);
+
+	ixgbe_vf_reset_event(adapter, vf);
+}
+
+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;
+	int entries;
+	u16 *hash_list;
+	int add, vid, index;
+	u8 *new_mac;
+
+	retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
+
+	if (retval)
+		pr_err("Error receiving message from VF\n");
+
+	/* this is a message we already processed, do nothing */
+	if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
+		return retval;
+
+	/*
+	 * until the vf completes a virtual function reset it should not be
+	 * allowed to start any configuration.
+	 */
+
+	if (msgbuf[0] == IXGBE_VF_RESET) {
+		unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
+		new_mac = (u8 *)(&msgbuf[1]);
+		e_info(probe, "VF Reset msg received from vf %d\n", vf);
+		adapter->vfinfo[vf].clear_to_send = false;
+		ixgbe_vf_reset_msg(adapter, vf);
+		adapter->vfinfo[vf].clear_to_send = true;
+
+		if (is_valid_ether_addr(new_mac) &&
+		    !adapter->vfinfo[vf].pf_set_mac)
+			ixgbe_set_vf_mac(adapter, vf, vf_mac);
+		else
+			ixgbe_set_vf_mac(adapter,
+				 vf, adapter->vfinfo[vf].vf_mac_addresses);
+
+		/* reply to reset with ack and vf mac address */
+		msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK;
+		memcpy(new_mac, vf_mac, IXGBE_ETH_LENGTH_OF_ADDRESS);
+		/*
+		 * 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 retval;
+	}
+
+	if (!adapter->vfinfo[vf].clear_to_send) {
+		msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+		ixgbe_write_mbx(hw, msgbuf, 1, vf);
+		return retval;
+	}
+
+	switch ((msgbuf[0] & 0xFFFF)) {
+	case IXGBE_VF_SET_MAC_ADDR:
+		new_mac = ((u8 *)(&msgbuf[1]));
+		if (is_valid_ether_addr(new_mac) &&
+		    !adapter->vfinfo[vf].pf_set_mac) {
+			ixgbe_set_vf_mac(adapter, vf, new_mac);
+		} else if (memcmp(adapter->vfinfo[vf].vf_mac_addresses,
+				  new_mac, ETH_ALEN)) {
+			e_warn(drv, "VF %d attempted to override "
+			       "administratively set MAC address\nReload "
+			       "the VF driver to resume operations\n", vf);
+			retval = -1;
+		}
+		break;
+	case IXGBE_VF_SET_MULTICAST:
+		entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
+		          >> IXGBE_VT_MSGINFO_SHIFT;
+		hash_list = (u16 *)&msgbuf[1];
+		retval = ixgbe_set_vf_multicasts(adapter, entries,
+		                                 hash_list, vf);
+		break;
+	case IXGBE_VF_SET_LPE:
+		ixgbe_set_vf_lpe(adapter, msgbuf);
+		break;
+	case IXGBE_VF_SET_VLAN:
+		add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
+		      >> IXGBE_VT_MSGINFO_SHIFT;
+		vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
+		if (adapter->vfinfo[vf].pf_vlan) {
+			e_warn(drv, "VF %d attempted to override "
+			       "administratively set VLAN configuration\n"
+			       "Reload the VF driver to resume operations\n",
+			       vf);
+			retval = -1;
+		} else {
+			retval = ixgbe_set_vf_vlan(adapter, add, vid, vf);
+		}
+		break;
+	case IXGBE_VF_SET_MACVLAN:
+		index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
+			IXGBE_VT_MSGINFO_SHIFT;
+		/*
+		 * If the VF is allowed to set MAC filters then turn off
+		 * anti-spoofing to avoid false positives.  An index
+		 * greater than 0 will indicate the VF is setting a
+		 * macvlan MAC filter.
+		 */
+		if (index > 0 && adapter->antispoofing_enabled) {
+			hw->mac.ops.set_mac_anti_spoofing(hw, false,
+							  adapter->num_vfs);
+			hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
+			adapter->antispoofing_enabled = false;
+		}
+		retval = ixgbe_set_vf_macvlan(adapter, vf, index,
+					      (unsigned char *)(&msgbuf[1]));
+		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, 1, 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);
+}
+
+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);
+	struct ixgbe_hw *hw = &adapter->hw;
+
+	if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
+		return -EINVAL;
+	if (vlan || qos) {
+		err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
+		if (err)
+			goto out;
+		ixgbe_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf);
+		ixgbe_set_vmolr(hw, vf, false);
+		if (adapter->antispoofing_enabled)
+			hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+		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");
+		}
+	} else {
+		err = ixgbe_set_vf_vlan(adapter, false,
+					adapter->vfinfo[vf].pf_vlan, vf);
+		ixgbe_set_vmvir(adapter, vlan, vf);
+		ixgbe_set_vmolr(hw, vf, true);
+		hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
+		adapter->vfinfo[vf].pf_vlan = 0;
+		adapter->vfinfo[vf].pf_qos = 0;
+       }
+out:
+       return err;
+}
+
+static int ixgbe_link_mbps(int internal_link_speed)
+{
+	switch (internal_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_hw *hw, int vf, int tx_rate,
+				    int link_speed)
+{
+	int rf_dec, rf_int;
+	u32 bcnrc_val;
+
+	if (tx_rate != 0) {
+		/* Calculate the rate factor values to set */
+		rf_int = link_speed / tx_rate;
+		rf_dec = (link_speed - (rf_int * tx_rate));
+		rf_dec = (rf_dec * (1<<IXGBE_RTTBCNRC_RF_INT_SHIFT)) / tx_rate;
+
+		bcnrc_val = IXGBE_RTTBCNRC_RS_ENA;
+		bcnrc_val |= ((rf_int<<IXGBE_RTTBCNRC_RF_INT_SHIFT) &
+		               IXGBE_RTTBCNRC_RF_INT_MASK);
+		bcnrc_val |= (rf_dec & IXGBE_RTTBCNRC_RF_DEC_MASK);
+	} else {
+		bcnrc_val = 0;
+	}
+
+	IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, 2*vf); /* vf Y uses queue 2*Y */
+	/*
+	 * 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;
+	}
+
+	IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
+}
+
+void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
+{
+	int actual_link_speed, i;
+	bool reset_rate = false;
+
+	/* VF Tx rate limit was not set */
+	if (adapter->vf_rate_link_speed == 0)
+		return;
+
+	actual_link_speed = ixgbe_link_mbps(adapter->link_speed);
+	if (actual_link_speed != adapter->vf_rate_link_speed) {
+		reset_rate = true;
+		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 (reset_rate)
+			adapter->vfinfo[i].tx_rate = 0;
+
+		ixgbe_set_vf_rate_limit(&adapter->hw, i,
+					adapter->vfinfo[i].tx_rate,
+					actual_link_speed);
+	}
+}
+
+int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	struct ixgbe_hw *hw = &adapter->hw;
+	int actual_link_speed;
+
+	actual_link_speed = ixgbe_link_mbps(adapter->link_speed);
+	if ((vf >= adapter->num_vfs) || (!adapter->link_up) ||
+	    (tx_rate > actual_link_speed) || (actual_link_speed != 10000) ||
+	    ((tx_rate != 0) && (tx_rate <= 10)))
+	    /* rate limit cannot be set to 10Mb or less in 10Gb adapters */
+		return -EINVAL;
+
+	adapter->vf_rate_link_speed = actual_link_speed;
+	adapter->vfinfo[vf].tx_rate = (u16)tx_rate;
+	ixgbe_set_vf_rate_limit(hw, vf, tx_rate, actual_link_speed);
+
+	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->tx_rate = adapter->vfinfo[vf].tx_rate;
+	ivi->vlan = adapter->vfinfo[vf].pf_vlan;
+	ivi->qos = adapter->vfinfo[vf].pf_qos;
+	return 0;
+}