Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next

Jerr Kirsher says:

> This series contains updates to igb (specifically PTP code).
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/e1000/e1000_main.c

@@ -2014,6 +2014,7 @@ static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
 		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
 	}
 
+	netdev_reset_queue(adapter->netdev);
 	size = sizeof(struct e1000_buffer) * tx_ring->count;
 	memset(tx_ring->buffer_info, 0, size);
 
@@ -3262,6 +3263,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
 	                     nr_frags, mss);
 
 	if (count) {
+		netdev_sent_queue(netdev, skb->len);
 		skb_tx_timestamp(skb);
 
 		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
@@ -3849,6 +3851,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 	unsigned int i, eop;
 	unsigned int count = 0;
 	unsigned int total_tx_bytes=0, total_tx_packets=0;
+	unsigned int bytes_compl = 0, pkts_compl = 0;
 
 	i = tx_ring->next_to_clean;
 	eop = tx_ring->buffer_info[i].next_to_watch;
@@ -3866,6 +3869,11 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 			if (cleaned) {
 				total_tx_packets += buffer_info->segs;
 				total_tx_bytes += buffer_info->bytecount;
+				if (buffer_info->skb) {
+					bytes_compl += buffer_info->skb->len;
+					pkts_compl++;
+				}
+
 			}
 			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
 			tx_desc->upper.data = 0;
@@ -3879,6 +3887,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 
 	tx_ring->next_to_clean = i;
 
+	netdev_completed_queue(netdev, pkts_compl, bytes_compl);
+
 #define TX_WAKE_THRESHOLD 32
 	if (unlikely(count && netif_carrier_ok(netdev) &&
 		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {

drivers/net/ethernet/intel/ixgbe/Makefile

@@ -32,7 +32,7 @@
 
 obj-$(CONFIG_IXGBE) += ixgbe.o
 
-ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
+ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o ixgbe_debugfs.o\
               ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \
               ixgbe_mbx.o ixgbe_x540.o ixgbe_lib.o
 

drivers/net/ethernet/intel/ixgbe/ixgbe.h

@@ -597,6 +597,9 @@ struct ixgbe_adapter {
 #ifdef CONFIG_IXGBE_HWMON
 	struct hwmon_buff ixgbe_hwmon_buff;
 #endif /* CONFIG_IXGBE_HWMON */
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *ixgbe_dbg_adapter;
+#endif /*CONFIG_DEBUG_FS*/
 };
 
 struct ixgbe_fdir_filter {
@@ -725,7 +728,12 @@ extern int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
 				  struct netdev_fcoe_hbainfo *info);
 extern u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter);
 #endif /* IXGBE_FCOE */
-
+#ifdef CONFIG_DEBUG_FS
+extern void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter);
+extern void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter);
+extern void ixgbe_dbg_init(void);
+extern void ixgbe_dbg_exit(void);
+#endif /* CONFIG_DEBUG_FS */
 static inline struct netdev_queue *txring_txq(const struct ixgbe_ring *ring)
 {
 	return netdev_get_tx_queue(ring->netdev, ring->queue_index);

drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c

+/*******************************************************************************
+
+  Intel 10 Gigabit PCI Express Linux driver
+  Copyright(c) 1999 - 2012 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
+
+*******************************************************************************/
+
+#ifdef CONFIG_DEBUG_FS
+
+#include <linux/debugfs.h>
+#include <linux/module.h>
+
+#include "ixgbe.h"
+
+static struct dentry *ixgbe_dbg_root;
+
+static char ixgbe_dbg_reg_ops_buf[256] = "";
+
+/**
+ * ixgbe_dbg_reg_ops_open - prep the debugfs pokee data item when opened
+ * @inode: inode that was opened
+ * @filp:  file info
+ *
+ * Stash the adapter pointer hiding in the inode into the file pointer where
+ * we can find it later in the read and write calls
+ **/
+static int ixgbe_dbg_reg_ops_open(struct inode *inode, struct file *filp)
+{
+	filp->private_data = inode->i_private;
+	return 0;
+}
+
+/**
+ * ixgbe_dbg_reg_ops_read - read for reg_ops datum
+ * @filp: the opened file
+ * @buffer: where to write the data for the user to read
+ * @count: the size of the user's buffer
+ * @ppos: file position offset
+ **/
+static ssize_t ixgbe_dbg_reg_ops_read(struct file *filp, char __user *buffer,
+				    size_t count, loff_t *ppos)
+{
+	struct ixgbe_adapter *adapter = filp->private_data;
+	char buf[256];
+	int bytes_not_copied;
+	int len;
+
+	/* don't allow partial reads */
+	if (*ppos != 0)
+		return 0;
+
+	len = snprintf(buf, sizeof(buf), "%s: %s\n",
+		       adapter->netdev->name, ixgbe_dbg_reg_ops_buf);
+	if (count < len)
+		return -ENOSPC;
+	bytes_not_copied = copy_to_user(buffer, buf, len);
+	if (bytes_not_copied < 0)
+		return bytes_not_copied;
+
+	*ppos = len;
+	return len;
+}
+
+/**
+ * ixgbe_dbg_reg_ops_write - write into reg_ops datum
+ * @filp: the opened file
+ * @buffer: where to find the user's data
+ * @count: the length of the user's data
+ * @ppos: file position offset
+ **/
+static ssize_t ixgbe_dbg_reg_ops_write(struct file *filp,
+				     const char __user *buffer,
+				     size_t count, loff_t *ppos)
+{
+	struct ixgbe_adapter *adapter = filp->private_data;
+	int bytes_not_copied;
+
+	/* don't allow partial writes */
+	if (*ppos != 0)
+		return 0;
+	if (count >= sizeof(ixgbe_dbg_reg_ops_buf))
+		return -ENOSPC;
+
+	bytes_not_copied = copy_from_user(ixgbe_dbg_reg_ops_buf, buffer, count);
+	if (bytes_not_copied < 0)
+		return bytes_not_copied;
+	else if (bytes_not_copied < count)
+		count -= bytes_not_copied;
+	else
+		return -ENOSPC;
+	ixgbe_dbg_reg_ops_buf[count] = '\0';
+
+	if (strncmp(ixgbe_dbg_reg_ops_buf, "write", 5) == 0) {
+		u32 reg, value;
+		int cnt;
+		cnt = sscanf(&ixgbe_dbg_reg_ops_buf[5], "%x %x", &reg, &value);
+		if (cnt == 2) {
+			IXGBE_WRITE_REG(&adapter->hw, reg, value);
+			value = IXGBE_READ_REG(&adapter->hw, reg);
+			e_dev_info("write: 0x%08x = 0x%08x\n", reg, value);
+		} else {
+			e_dev_info("write <reg> <value>\n");
+		}
+	} else if (strncmp(ixgbe_dbg_reg_ops_buf, "read", 4) == 0) {
+		u32 reg, value;
+		int cnt;
+		cnt = sscanf(&ixgbe_dbg_reg_ops_buf[4], "%x", &reg);
+		if (cnt == 1) {
+			value = IXGBE_READ_REG(&adapter->hw, reg);
+			e_dev_info("read 0x%08x = 0x%08x\n", reg, value);
+		} else {
+			e_dev_info("read <reg>\n");
+		}
+	} else {
+		e_dev_info("Unknown command %s\n", ixgbe_dbg_reg_ops_buf);
+		e_dev_info("Available commands:\n");
+		e_dev_info("   read <reg>\n");
+		e_dev_info("   write <reg> <value>\n");
+	}
+	return count;
+}
+
+static const struct file_operations ixgbe_dbg_reg_ops_fops = {
+	.owner = THIS_MODULE,
+	.open =  ixgbe_dbg_reg_ops_open,
+	.read =  ixgbe_dbg_reg_ops_read,
+	.write = ixgbe_dbg_reg_ops_write,
+};
+
+static char ixgbe_dbg_netdev_ops_buf[256] = "";
+
+/**
+ * ixgbe_dbg_netdev_ops_open - prep the debugfs netdev_ops data item
+ * @inode: inode that was opened
+ * @filp: file info
+ *
+ * Stash the adapter pointer hiding in the inode into the file pointer
+ * where we can find it later in the read and write calls
+ **/
+static int ixgbe_dbg_netdev_ops_open(struct inode *inode, struct file *filp)
+{
+	filp->private_data = inode->i_private;
+	return 0;
+}
+
+/**
+ * ixgbe_dbg_netdev_ops_read - read for netdev_ops datum
+ * @filp: the opened file
+ * @buffer: where to write the data for the user to read
+ * @count: the size of the user's buffer
+ * @ppos: file position offset
+ **/
+static ssize_t ixgbe_dbg_netdev_ops_read(struct file *filp,
+					 char __user *buffer,
+					 size_t count, loff_t *ppos)
+{
+	struct ixgbe_adapter *adapter = filp->private_data;
+	char buf[256];
+	int bytes_not_copied;
+	int len;
+
+	/* don't allow partial reads */
+	if (*ppos != 0)
+		return 0;
+
+	len = snprintf(buf, sizeof(buf), "%s: %s\n",
+		       adapter->netdev->name, ixgbe_dbg_netdev_ops_buf);
+	if (count < len)
+		return -ENOSPC;
+	bytes_not_copied = copy_to_user(buffer, buf, len);
+	if (bytes_not_copied < 0)
+		return bytes_not_copied;
+
+	*ppos = len;
+	return len;
+}
+
+/**
+ * ixgbe_dbg_netdev_ops_write - write into netdev_ops datum
+ * @filp: the opened file
+ * @buffer: where to find the user's data
+ * @count: the length of the user's data
+ * @ppos: file position offset
+ **/
+static ssize_t ixgbe_dbg_netdev_ops_write(struct file *filp,
+					  const char __user *buffer,
+					  size_t count, loff_t *ppos)
+{
+	struct ixgbe_adapter *adapter = filp->private_data;
+	int bytes_not_copied;
+
+	/* don't allow partial writes */
+	if (*ppos != 0)
+		return 0;
+	if (count >= sizeof(ixgbe_dbg_netdev_ops_buf))
+		return -ENOSPC;
+
+	bytes_not_copied = copy_from_user(ixgbe_dbg_netdev_ops_buf,
+					  buffer, count);
+	if (bytes_not_copied < 0)
+		return bytes_not_copied;
+	else if (bytes_not_copied < count)
+		count -= bytes_not_copied;
+	else
+		return -ENOSPC;
+	ixgbe_dbg_netdev_ops_buf[count] = '\0';
+
+	if (strncmp(ixgbe_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
+		adapter->netdev->netdev_ops->ndo_tx_timeout(adapter->netdev);
+		e_dev_info("tx_timeout called\n");
+	} else {
+		e_dev_info("Unknown command: %s\n", ixgbe_dbg_netdev_ops_buf);
+		e_dev_info("Available commands:\n");
+		e_dev_info("    tx_timeout\n");
+	}
+	return count;
+}
+
+static const struct file_operations ixgbe_dbg_netdev_ops_fops = {
+	.owner = THIS_MODULE,
+	.open = ixgbe_dbg_netdev_ops_open,
+	.read = ixgbe_dbg_netdev_ops_read,
+	.write = ixgbe_dbg_netdev_ops_write,
+};
+
+/**
+ * ixgbe_dbg_adapter_init - setup the debugfs directory for the adapter
+ * @adapter: the adapter that is starting up
+ **/
+void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter)
+{
+	const char *name = pci_name(adapter->pdev);
+	struct dentry *pfile;
+	adapter->ixgbe_dbg_adapter = debugfs_create_dir(name, ixgbe_dbg_root);
+	if (adapter->ixgbe_dbg_adapter) {
+		pfile = debugfs_create_file("reg_ops", 0600,
+					    adapter->ixgbe_dbg_adapter, adapter,
+					    &ixgbe_dbg_reg_ops_fops);
+		if (!pfile)
+			e_dev_err("debugfs reg_ops for %s failed\n", name);
+		pfile = debugfs_create_file("netdev_ops", 0600,
+					    adapter->ixgbe_dbg_adapter, adapter,
+					    &ixgbe_dbg_netdev_ops_fops);
+		if (!pfile)
+			e_dev_err("debugfs netdev_ops for %s failed\n", name);
+	} else {
+		e_dev_err("debugfs entry for %s failed\n", name);
+	}
+}
+
+/**
+ * ixgbe_dbg_adapter_exit - clear out the adapter's debugfs entries
+ * @pf: the pf that is stopping
+ **/
+void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter)
+{
+	if (adapter->ixgbe_dbg_adapter)
+		debugfs_remove_recursive(adapter->ixgbe_dbg_adapter);
+	adapter->ixgbe_dbg_adapter = NULL;
+}
+
+/**
+ * ixgbe_dbg_init - start up debugfs for the driver
+ **/
+void ixgbe_dbg_init(void)
+{
+	ixgbe_dbg_root = debugfs_create_dir(ixgbe_driver_name, NULL);
+	if (ixgbe_dbg_root == NULL)
+		pr_err("init of debugfs failed\n");
+}
+
+/**
+ * ixgbe_dbg_exit - clean out the driver's debugfs entries
+ **/
+void ixgbe_dbg_exit(void)
+{
+	debugfs_remove_recursive(ixgbe_dbg_root);
+}
+
+#endif /* CONFIG_DEBUG_FS */

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -1785,7 +1785,8 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
 #ifdef IXGBE_FCOE
 	struct ixgbe_adapter *adapter = q_vector->adapter;
-	int ddp_bytes = 0;
+	int ddp_bytes;
+	unsigned int mss = 0;
 #endif /* IXGBE_FCOE */
 	u16 cleaned_count = ixgbe_desc_unused(rx_ring);
 
@@ -1839,6 +1840,20 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		/* if ddp, not passing to ULD unless for FCP_RSP or error */
 		if (ixgbe_rx_is_fcoe(rx_ring, rx_desc)) {
 			ddp_bytes = ixgbe_fcoe_ddp(adapter, rx_desc, skb);
+			/* include DDPed FCoE data */
+			if (ddp_bytes > 0) {
+				if (!mss) {
+					mss = rx_ring->netdev->mtu -
+						sizeof(struct fcoe_hdr) -
+						sizeof(struct fc_frame_header) -
+						sizeof(struct fcoe_crc_eof);
+					if (mss > 512)
+						mss &= ~511;
+				}
+				total_rx_bytes += ddp_bytes;
+				total_rx_packets += DIV_ROUND_UP(ddp_bytes,
+								 mss);
+			}
 			if (!ddp_bytes) {
 				dev_kfree_skb_any(skb);
 				continue;
@@ -1852,21 +1867,6 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		budget--;
 	} while (likely(budget));
 
-#ifdef IXGBE_FCOE
-	/* include DDPed FCoE data */
-	if (ddp_bytes > 0) {
-		unsigned int mss;
-
-		mss = rx_ring->netdev->mtu - sizeof(struct fcoe_hdr) -
-			sizeof(struct fc_frame_header) -
-			sizeof(struct fcoe_crc_eof);
-		if (mss > 512)
-			mss &= ~511;
-		total_rx_bytes += ddp_bytes;
-		total_rx_packets += DIV_ROUND_UP(ddp_bytes, mss);
-	}
-
-#endif /* IXGBE_FCOE */
 	u64_stats_update_begin(&rx_ring->syncp);
 	rx_ring->stats.packets += total_rx_packets;
 	rx_ring->stats.bytes += total_rx_bytes;
@@ -3660,8 +3660,6 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
 	if (hw->mac.type == ixgbe_mac_82598EB)
 		netif_set_gso_max_size(adapter->netdev, 32768);
 
-	hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true);
-
 #ifdef IXGBE_FCOE
 	if (adapter->netdev->features & NETIF_F_FCOE_MTU)
 		max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
@@ -3861,6 +3859,11 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 #ifdef CONFIG_IXGBE_DCB
 	ixgbe_configure_dcb(adapter);
 #endif
+	/*
+	 * We must restore virtualization before VLANs or else
+	 * the VLVF registers will not be populated
+	 */
+	ixgbe_configure_virtualization(adapter);
 
 	ixgbe_set_rx_mode(adapter->netdev);
 	ixgbe_restore_vlan(adapter);
@@ -3892,8 +3895,6 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 		break;
 	}
 
-	ixgbe_configure_virtualization(adapter);
-
 #ifdef IXGBE_FCOE
 	/* configure FCoE L2 filters, redirection table, and Rx control */
 	ixgbe_configure_fcoe(adapter);
@@ -5572,7 +5573,7 @@ static void ixgbe_spoof_check(struct ixgbe_adapter *adapter)
 	if (!ssvpc)
 		return;
 
-	e_warn(drv, "%d Spoofed packets detected\n", ssvpc);
+	e_warn(drv, "%u Spoofed packets detected\n", ssvpc);
 }
 
 /**
@@ -7447,6 +7448,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 		e_err(probe, "failed to allocate sysfs resources\n");
 #endif /* CONFIG_IXGBE_HWMON */
 
+#ifdef CONFIG_DEBUG_FS
+	ixgbe_dbg_adapter_init(adapter);
+#endif /* CONFIG_DEBUG_FS */
+
 	return 0;
 
 err_register:
@@ -7481,6 +7486,10 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
 	struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
 	struct net_device *netdev = adapter->netdev;
 
+#ifdef CONFIG_DEBUG_FS
+	ixgbe_dbg_adapter_exit(adapter);
+#endif /*CONFIG_DEBUG_FS */
+
 	set_bit(__IXGBE_DOWN, &adapter->state);
 	cancel_work_sync(&adapter->service_task);
 
@@ -7736,6 +7745,10 @@ static int __init ixgbe_init_module(void)
 	pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version);
 	pr_info("%s\n", ixgbe_copyright);
 
+#ifdef CONFIG_DEBUG_FS
+	ixgbe_dbg_init();
+#endif /* CONFIG_DEBUG_FS */
+
 #ifdef CONFIG_IXGBE_DCA
 	dca_register_notify(&dca_notifier);
 #endif
@@ -7758,6 +7771,11 @@ static void __exit ixgbe_exit_module(void)
 	dca_unregister_notify(&dca_notifier);
 #endif
 	pci_unregister_driver(&ixgbe_driver);
+
+#ifdef CONFIG_DEBUG_FS
+	ixgbe_dbg_exit();
+#endif /* CONFIG_DEBUG_FS */
+
 	rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 

drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c

@@ -346,6 +346,10 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
 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);
 }
 
@@ -414,6 +418,7 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
 				  VLAN_PRIO_SHIFT)), vf);
 		ixgbe_set_vmolr(hw, vf, false);
 	} else {
+		ixgbe_set_vf_vlan(adapter, true, 0, vf);
 		ixgbe_set_vmvir(adapter, 0, vf);
 		ixgbe_set_vmolr(hw, vf, true);
 	}
@@ -810,9 +815,9 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
        return err;
 }
 
-static int ixgbe_link_mbps(int internal_link_speed)
+static int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
 {
-	switch (internal_link_speed) {
+	switch (adapter->link_speed) {
 	case IXGBE_LINK_SPEED_100_FULL:
 		return 100;
 	case IXGBE_LINK_SPEED_1GB_FULL:
@@ -824,27 +829,30 @@ static int ixgbe_link_mbps(int internal_link_speed)
 	}
 }
 
-static void ixgbe_set_vf_rate_limit(struct ixgbe_hw *hw, int vf, int tx_rate,
-				    int link_speed)
+static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
 {
-	int rf_dec, rf_int;
-	u32 bcnrc_val;
+	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;
 
-	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;
+		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;
 	}
 
-	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
@@ -861,53 +869,68 @@ static void ixgbe_set_vf_rate_limit(struct ixgbe_hw *hw, int vf, int tx_rate,
 		break;
 	}
 
-	IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
+	/* 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 actual_link_speed, i;
-	bool reset_rate = false;
+	int i;
 
 	/* VF Tx rate limit was not set */
-	if (adapter->vf_rate_link_speed == 0)
+	if (!adapter->vf_rate_link_speed)
 		return;
 
-	actual_link_speed = ixgbe_link_mbps(adapter->link_speed);
-	if (actual_link_speed != adapter->vf_rate_link_speed) {
-		reset_rate = true;
+	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");
+			 "Link speed has been changed. VF Transmit rate is disabled\n");
 	}
 
 	for (i = 0; i < adapter->num_vfs; i++) {
-		if (reset_rate)
+		if (!adapter->vf_rate_link_speed)
 			adapter->vfinfo[i].tx_rate = 0;
 
-		ixgbe_set_vf_rate_limit(&adapter->hw, i,
-					adapter->vfinfo[i].tx_rate,
-					actual_link_speed);
+		ixgbe_set_vf_rate_limit(adapter, i);
 	}
 }
 
 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;
+	int link_speed;
+
+	/* verify VF is active */
+	if (vf >= adapter->num_vfs)
+		return -EINVAL;
 
-	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 */
+	/* verify link is up */
+	if (!adapter->link_up)
 		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);
+	/* verify we are linked at 10Gbps */
+	link_speed = ixgbe_link_mbps(adapter);
+	if (link_speed != 10000)
+		return -EINVAL;
+
+	/* rate limit cannot be less than 10Mbs or greater than link speed */
+	if (tx_rate && ((tx_rate <= 10) || (tx_rate > link_speed)))
+		return -EINVAL;
+
+	/* store values */
+	adapter->vf_rate_link_speed = link_speed;
+	adapter->vfinfo[vf].tx_rate = tx_rate;
+
+	/* update hardware configuration */
+	ixgbe_set_vf_rate_limit(adapter, vf);
 
 	return 0;
 }