X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fixgbe%2Fixgbe_main.c;h=c46252520d7ac8a07c40a639c27515c46162d4ee;hb=51c24aaacaea90c8e87f1dec75a2ac7622b593f8;hp=a3a2a9a3df816d4e8fdbfae00421716245a2695d;hpb=edd2ea5559737e5239d5c80fa1a55b8bc440470b;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index a3a2a9a..c462525 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2009 Intel Corporation.
+  Copyright(c) 1999 - 2010 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,
@@ -45,6 +45,7 @@
 #include "ixgbe.h"
 #include "ixgbe_common.h"
 #include "ixgbe_dcb_82599.h"
+#include "ixgbe_sriov.h"
 
 char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
@@ -52,7 +53,7 @@ static const char ixgbe_driver_string[] =
 
 #define DRV_VERSION "2.0.44-k2"
 const char ixgbe_driver_version[] = DRV_VERSION;
-static char ixgbe_copyright[] = "Copyright (c) 1999-2009 Intel Corporation.";
+static char ixgbe_copyright[] = "Copyright (c) 1999-2010 Intel Corporation.";
 
 static const struct ixgbe_info *ixgbe_info_tbl[] = {
 	[board_82598] = &ixgbe_82598_info,
@@ -67,7 +68,7 @@ static const struct ixgbe_info *ixgbe_info_tbl[] = {
  * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
  *   Class, Class Mask, private data (not used) }
  */
-static struct pci_device_id ixgbe_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = {
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598),
 	 board_82598 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT),
@@ -96,6 +97,8 @@ static struct pci_device_id ixgbe_pci_tbl[] = {
 	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_XAUI_LOM),
 	 board_82599 },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KR),
+	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP),
 	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_EM),
@@ -122,6 +125,13 @@ static struct notifier_block dca_notifier = {
 };
 #endif
 
+#ifdef CONFIG_PCI_IOV
+static unsigned int max_vfs;
+module_param(max_vfs, uint, 0);
+MODULE_PARM_DESC(max_vfs, "Maximum number of virtual functions to allocate "
+                 "per physical function");
+#endif /* CONFIG_PCI_IOV */
+
 MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
 MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver");
 MODULE_LICENSE("GPL");
@@ -129,6 +139,41 @@ MODULE_VERSION(DRV_VERSION);
 
 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
 
+static inline void ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 gcr;
+	u32 gpie;
+	u32 vmdctl;
+
+#ifdef CONFIG_PCI_IOV
+	/* disable iov and allow time for transactions to clear */
+	pci_disable_sriov(adapter->pdev);
+#endif
+
+	/* turn off device IOV mode */
+	gcr = IXGBE_READ_REG(hw, IXGBE_GCR_EXT);
+	gcr &= ~(IXGBE_GCR_EXT_SRIOV);
+	IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr);
+	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);
+
+	/* take a breather then clean up driver data */
+	msleep(100);
+	if (adapter->vfinfo)
+		kfree(adapter->vfinfo);
+	adapter->vfinfo = NULL;
+
+	adapter->num_vfs = 0;
+	adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
+}
+
 static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter)
 {
 	u32 ctrl_ext;
@@ -218,10 +263,20 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
                                              struct ixgbe_tx_buffer
                                              *tx_buffer_info)
 {
-	tx_buffer_info->dma = 0;
+	if (tx_buffer_info->dma) {
+		if (tx_buffer_info->mapped_as_page)
+			pci_unmap_page(adapter->pdev,
+				       tx_buffer_info->dma,
+				       tx_buffer_info->length,
+				       PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(adapter->pdev,
+					 tx_buffer_info->dma,
+					 tx_buffer_info->length,
+					 PCI_DMA_TODEVICE);
+		tx_buffer_info->dma = 0;
+	}
 	if (tx_buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, tx_buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(tx_buffer_info->skb);
 		tx_buffer_info->skb = NULL;
 	}
@@ -242,18 +297,20 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
 static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
                                       struct ixgbe_ring *tx_ring)
 {
-	int tc;
 	u32 txoff = IXGBE_TFCS_TXOFF;
 
 #ifdef CONFIG_IXGBE_DCB
 	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+		int tc;
 		int reg_idx = tx_ring->reg_idx;
 		int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
 
-		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+		switch (adapter->hw.mac.type) {
+		case ixgbe_mac_82598EB:
 			tc = reg_idx >> 2;
 			txoff = IXGBE_TFCS_TXOFF0;
-		} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+			break;
+		case ixgbe_mac_82599EB:
 			tc = 0;
 			txoff = IXGBE_TFCS_TXOFF;
 			if (dcb_i == 8) {
@@ -272,6 +329,9 @@ static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
 						tc += (reg_idx - 96) >> 4;
 				}
 			}
+			break;
+		default:
+			tc = 0;
 		}
 		txoff <<= tc;
 	}
@@ -403,7 +463,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 		if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) &&
 		    !test_bit(__IXGBE_DOWN, &adapter->state)) {
 			netif_wake_subqueue(netdev, tx_ring->queue_index);
-			++adapter->restart_queue;
+			++tx_ring->restart_queue;
 		}
 	}
 
@@ -425,8 +485,6 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 	tx_ring->total_packets += total_packets;
 	tx_ring->stats.packets += total_packets;
 	tx_ring->stats.bytes += total_bytes;
-	netdev->stats.tx_bytes += total_bytes;
-	netdev->stats.tx_packets += total_packets;
 	return (count < tx_ring->work_limit);
 }
 
@@ -614,7 +672,6 @@ static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter,
 
 	/* It must be a TCP or UDP packet with a valid checksum */
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
-	adapter->hw_csum_rx_good++;
 }
 
 static inline void ixgbe_release_rx_desc(struct ixgbe_hw *hw,
@@ -671,14 +728,19 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
 
 		if (!bi->skb) {
 			struct sk_buff *skb;
-			skb = netdev_alloc_skb_ip_align(adapter->netdev,
-							rx_ring->rx_buf_len);
+			/* netdev_alloc_skb reserves 32 bytes up front!! */
+			uint bufsz = rx_ring->rx_buf_len + SMP_CACHE_BYTES;
+			skb = netdev_alloc_skb(adapter->netdev, bufsz);
 
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
 			}
 
+			/* advance the data pointer to the next cache line */
+			skb_reserve(skb, (PTR_ALIGN(skb->data, SMP_CACHE_BYTES)
+			                  - skb->data));
+
 			bi->skb = skb;
 			bi->dma = pci_map_single(pdev, skb->data,
 			                         rx_ring->rx_buf_len,
@@ -791,8 +853,6 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc));
 			len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
 			       IXGBE_RXDADV_HDRBUFLEN_SHIFT;
-			if (hdr_info & IXGBE_RXDADV_SPH)
-				adapter->rx_hdr_split++;
 			if (len > IXGBE_RX_HDR_SIZE)
 				len = IXGBE_RX_HDR_SIZE;
 			upper_len = le16_to_cpu(rx_desc->wb.upper.length);
@@ -802,7 +862,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 
 		cleaned = true;
 		skb = rx_buffer_info->skb;
-		prefetch(skb->data - NET_IP_ALIGN);
+		prefetch(skb->data);
 		rx_buffer_info->skb = NULL;
 
 		if (rx_buffer_info->dma) {
@@ -874,7 +934,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 				skb->next = next_buffer->skb;
 				skb->next->prev = skb;
 			}
-			adapter->non_eop_descs++;
+			rx_ring->non_eop_descs++;
 			goto next_desc;
 		}
 
@@ -1008,7 +1068,12 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 
 	/* set up to autoclear timer, and the vectors */
 	mask = IXGBE_EIMS_ENABLE_MASK;
-	mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC);
+	if (adapter->num_vfs)
+		mask &= ~(IXGBE_EIMS_OTHER |
+			  IXGBE_EIMS_MAILBOX |
+			  IXGBE_EIMS_LSC);
+	else
+		mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC);
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, mask);
 }
 
@@ -1237,6 +1302,9 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
 	if (eicr & IXGBE_EICR_LSC)
 		ixgbe_check_lsc(adapter);
 
+	if (eicr & IXGBE_EICR_MAILBOX)
+		ixgbe_msg_task(adapter);
+
 	if (hw->mac.type == ixgbe_mac_82598EB)
 		ixgbe_check_fan_failure(adapter, eicr);
 
@@ -1317,8 +1385,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data)
 		                      r_idx + 1);
 	}
 
-	/* disable interrupts on this vector only */
-	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
+	/* EIAM disabled interrupts (on this vector) for us */
 	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
@@ -1350,7 +1417,7 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data)
 		return IRQ_HANDLED;
 
 	/* disable interrupts on this vector only */
-	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
+	/* EIAM disabled interrupts (on this vector) for us */
 	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
@@ -1385,8 +1452,7 @@ static irqreturn_t ixgbe_msix_clean_many(int irq, void *data)
 		                      r_idx + 1);
 	}
 
-	/* disable interrupts on this vector only */
-	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
+	/* EIAM disabled interrupts (on this vector) for us */
 	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
@@ -1753,6 +1819,8 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter)
 		mask |= IXGBE_EIMS_ECC;
 		mask |= IXGBE_EIMS_GPI_SDP1;
 		mask |= IXGBE_EIMS_GPI_SDP2;
+		if (adapter->num_vfs)
+			mask |= IXGBE_EIMS_MAILBOX;
 	}
 	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
 	    adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
@@ -1761,6 +1829,11 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter)
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
 	ixgbe_irq_enable_queues(adapter, ~0);
 	IXGBE_WRITE_FLUSH(&adapter->hw);
+
+	if (adapter->num_vfs > 32) {
+		u32 eitrsel = (1 << (adapter->num_vfs - 32)) - 1;
+		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, eitrsel);
+	}
 }
 
 /**
@@ -1890,6 +1963,8 @@ static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000);
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0);
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0);
+		if (adapter->num_vfs > 32)
+			IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, 0);
 	}
 	IXGBE_WRITE_FLUSH(&adapter->hw);
 	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
@@ -1974,18 +2049,32 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
 
 	if (hw->mac.type == ixgbe_mac_82599EB) {
 		u32 rttdcs;
+		u32 mask;
 
 		/* disable the arbiter while setting MTQC */
 		rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
 		rttdcs |= IXGBE_RTTDCS_ARBDIS;
 		IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
 
-		/* We enable 8 traffic classes, DCB only */
-		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
-			IXGBE_WRITE_REG(hw, IXGBE_MTQC, (IXGBE_MTQC_RT_ENA |
-			                IXGBE_MTQC_8TC_8TQ));
-		else
+		/* set transmit pool layout */
+		mask = (IXGBE_FLAG_SRIOV_ENABLED | IXGBE_FLAG_DCB_ENABLED);
+		switch (adapter->flags & mask) {
+
+		case (IXGBE_FLAG_SRIOV_ENABLED):
+			IXGBE_WRITE_REG(hw, IXGBE_MTQC,
+					(IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF));
+			break;
+
+		case (IXGBE_FLAG_DCB_ENABLED):
+			/* We enable 8 traffic classes, DCB only */
+			IXGBE_WRITE_REG(hw, IXGBE_MTQC,
+				      (IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ));
+			break;
+
+		default:
 			IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB);
+			break;
+		}
 
 		/* re-eable the arbiter */
 		rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
@@ -2044,12 +2133,16 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
 #ifdef CONFIG_IXGBE_DCB
 				 | IXGBE_FLAG_DCB_ENABLED
 #endif
+				 | IXGBE_FLAG_SRIOV_ENABLED
 				);
 
 	switch (mask) {
 	case (IXGBE_FLAG_RSS_ENABLED):
 		mrqc = IXGBE_MRQC_RSSEN;
 		break;
+	case (IXGBE_FLAG_SRIOV_ENABLED):
+		mrqc = IXGBE_MRQC_VMDQEN;
+		break;
 #ifdef CONFIG_IXGBE_DCB
 	case (IXGBE_FLAG_DCB_ENABLED):
 		mrqc = IXGBE_MRQC_RT8TCEN;
@@ -2130,7 +2223,9 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	int rx_buf_len;
 
 	/* Decide whether to use packet split mode or not */
-	adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
+	/* Do not use packet split if we're in SR-IOV Mode */
+	if (!adapter->num_vfs)
+		adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
 
 	/* Set the RX buffer length according to the mode */
 	if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
@@ -2142,7 +2237,9 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 			              IXGBE_PSRTYPE_IPV4HDR |
 			              IXGBE_PSRTYPE_IPV6HDR |
 			              IXGBE_PSRTYPE_L2HDR;
-			IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype);
+			IXGBE_WRITE_REG(hw,
+					IXGBE_PSRTYPE(adapter->num_vfs),
+					psrtype);
 		}
 	} else {
 		if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) &&
@@ -2228,6 +2325,30 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
 	}
 
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
+		u32 vt_reg_bits;
+		u32 reg_offset, vf_shift;
+		u32 vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
+		vt_reg_bits = IXGBE_VMD_CTL_VMDQ_EN
+			| IXGBE_VT_CTL_REPLEN;
+		vt_reg_bits |= (adapter->num_vfs <<
+				IXGBE_VT_CTL_POOL_SHIFT);
+		IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits);
+		IXGBE_WRITE_REG(hw, IXGBE_MRQC, 0);
+
+		vf_shift = adapter->num_vfs % 32;
+		reg_offset = adapter->num_vfs / 32;
+		IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
+		/* Enable only the PF's pool for Tx/Rx */
+		IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift));
+		IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (1 << vf_shift));
+		IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
+		ixgbe_set_vmolr(hw, adapter->num_vfs);
+	}
+
 	/* Program MRQC for the distribution of queues */
 	mrqc = ixgbe_setup_mrqc(adapter);
 
@@ -2259,6 +2380,20 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	}
 	IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
 
+	if (adapter->num_vfs) {
+		u32 reg;
+
+		/* Map PF MAC address in RAR Entry 0 to first pool
+		 * following VFs */
+		hw->mac.ops.set_vmdq(hw, 0, adapter->num_vfs);
+
+		/* Set up VF register offsets for selected VT Mode, i.e.
+		 * 64 VFs for SR-IOV */
+		reg = IXGBE_READ_REG(hw, IXGBE_GCR_EXT);
+		reg |= IXGBE_GCR_EXT_SRIOV;
+		IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, reg);
+	}
+
 	rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 
 	if (adapter->flags & IXGBE_FLAG_RSS_ENABLED ||
@@ -2336,23 +2471,25 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev,
 	 * not in DCB mode.
 	 */
 	ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
+
+	/* Disable CFI check */
+	ctrl &= ~IXGBE_VLNCTRL_CFIEN;
+
+	/* enable VLAN tag stripping */
 	if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
-		ctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
-		ctrl &= ~IXGBE_VLNCTRL_CFIEN;
-		IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
+		ctrl |= IXGBE_VLNCTRL_VME;
 	} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
-		ctrl |= IXGBE_VLNCTRL_VFE;
-		/* enable VLAN tag insert/strip */
-		ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
-		ctrl &= ~IXGBE_VLNCTRL_CFIEN;
-		IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
 		for (i = 0; i < adapter->num_rx_queues; i++) {
+			u32 ctrl;
 			j = adapter->rx_ring[i].reg_idx;
 			ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(j));
 			ctrl |= IXGBE_RXDCTL_VME;
 			IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(j), ctrl);
 		}
 	}
+
+	IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
+
 	ixgbe_vlan_rx_add_vid(netdev, 0);
 
 	if (!test_bit(__IXGBE_DOWN, &adapter->state))
@@ -2397,7 +2534,7 @@ static u8 *ixgbe_addr_list_itr(struct ixgbe_hw *hw, u8 **mc_addr_ptr, u32 *vmdq)
  * responsible for configuring the hardware for proper unicast, multicast and
  * promiscuous mode.
  **/
-static void ixgbe_set_rx_mode(struct net_device *netdev)
+void ixgbe_set_rx_mode(struct net_device *netdev)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_hw *hw = &adapter->hw;
@@ -2437,6 +2574,8 @@ static void ixgbe_set_rx_mode(struct net_device *netdev)
 		addr_list = netdev->mc_list->dmi_addr;
 	hw->mac.ops.update_mc_addr_list(hw, addr_list, addr_count,
 	                                ixgbe_addr_list_itr);
+	if (adapter->num_vfs)
+		ixgbe_restore_vf_multicasts(adapter);
 }
 
 static void ixgbe_napi_enable_all(struct ixgbe_adapter *adapter)
@@ -2697,12 +2836,31 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
 			/* MSI only */
 			gpie = 0;
 		}
+		if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
+			gpie &= ~IXGBE_GPIE_VTMODE_MASK;
+			gpie |= IXGBE_GPIE_VTMODE_64;
+		}
 		/* XXX: to interrupt immediately for EICS writes, enable this */
 		/* gpie |= IXGBE_GPIE_EIMEN; */
 		IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
 	}
 
-	if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
+	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+		/*
+		 * use EIAM to auto-mask when MSI-X interrupt is asserted
+		 * this saves a register write for every interrupt
+		 */
+		switch (hw->mac.type) {
+		case ixgbe_mac_82598EB:
+			IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
+			break;
+		default:
+		case ixgbe_mac_82599EB:
+			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF);
+			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF);
+			break;
+		}
+	} else {
 		/* legacy interrupts, use EIAM to auto-mask when reading EICR,
 		 * specifically only auto mask tx and rx interrupts */
 		IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
@@ -2756,6 +2914,18 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
 		txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j));
 		txdctl |= IXGBE_TXDCTL_ENABLE;
 		IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j), txdctl);
+		if (hw->mac.type == ixgbe_mac_82599EB) {
+			int wait_loop = 10;
+			/* poll for Tx Enable ready */
+			do {
+				msleep(1);
+				txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j));
+			} while (--wait_loop &&
+			         !(txdctl & IXGBE_TXDCTL_ENABLE));
+			if (!wait_loop)
+				DPRINTK(DRV, ERR, "Could not enable "
+				        "Tx Queue %d\n", j);
+		}
 	}
 
 	for (i = 0; i < num_rx_rings; i++) {
@@ -2891,7 +3061,8 @@ void ixgbe_reset(struct ixgbe_adapter *adapter)
 	}
 
 	/* reprogram the RAR[0] in case user changed it. */
-	hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
+	hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs,
+			    IXGBE_RAH_AV);
 }
 
 /**
@@ -3259,6 +3430,19 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter)
 }
 
 #endif /* IXGBE_FCOE */
+/**
+ * ixgbe_set_sriov_queues: Allocate queues for IOV use
+ * @adapter: board private structure to initialize
+ *
+ * IOV doesn't actually use anything, so just NAK the
+ * request for now and let the other queue routines
+ * figure out what to do.
+ */
+static inline bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter)
+{
+	return false;
+}
+
 /*
  * ixgbe_set_num_queues: Allocate queues for device, feature dependant
  * @adapter: board private structure to initialize
@@ -3272,6 +3456,15 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter)
  **/
 static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
 {
+	/* Start with base case */
+	adapter->num_rx_queues = 1;
+	adapter->num_tx_queues = 1;
+	adapter->num_rx_pools = adapter->num_rx_queues;
+	adapter->num_rx_queues_per_pool = 1;
+
+	if (ixgbe_set_sriov_queues(adapter))
+		return;
+
 #ifdef IXGBE_FCOE
 	if (ixgbe_set_fcoe_queues(adapter))
 		goto done;
@@ -3543,6 +3736,24 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter)
 
 #endif /* IXGBE_FCOE */
 /**
+ * ixgbe_cache_ring_sriov - Descriptor ring to register mapping for sriov
+ * @adapter: board private structure to initialize
+ *
+ * SR-IOV doesn't use any descriptor rings but changes the default if
+ * no other mapping is used.
+ *
+ */
+static inline bool ixgbe_cache_ring_sriov(struct ixgbe_adapter *adapter)
+{
+	adapter->rx_ring[0].reg_idx = adapter->num_vfs * 2;
+	adapter->tx_ring[0].reg_idx = adapter->num_vfs * 2;
+	if (adapter->num_vfs)
+		return true;
+	else
+		return false;
+}
+
+/**
  * ixgbe_cache_ring_register - Descriptor ring to register mapping
  * @adapter: board private structure to initialize
  *
@@ -3559,6 +3770,9 @@ static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter)
 	adapter->rx_ring[0].reg_idx = 0;
 	adapter->tx_ring[0].reg_idx = 0;
 
+	if (ixgbe_cache_ring_sriov(adapter))
+		return;
+
 #ifdef IXGBE_FCOE
 	if (ixgbe_cache_ring_fcoe(adapter))
 		return;
@@ -3668,6 +3882,9 @@ static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
 	adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
 	adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
 	adapter->atr_sample_rate = 0;
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+		ixgbe_disable_sriov(adapter);
+
 	ixgbe_set_num_queues(adapter);
 
 	err = pci_enable_msi(adapter->pdev);
@@ -3946,8 +4163,10 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
 		adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE;
 		adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
 		adapter->ring_feature[RING_F_FCOE].indices = 0;
+#ifdef CONFIG_IXGBE_DCB
 		/* Default traffic class to use for FCoE */
 		adapter->fcoe.tc = IXGBE_FCOE_DEFTC;
+#endif
 #endif /* IXGBE_FCOE */
 	}
 
@@ -4344,6 +4563,11 @@ static int ixgbe_resume(struct pci_dev *pdev)
 
 	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
+	/*
+	 * pci_restore_state clears dev->state_saved so call
+	 * pci_save_state to restore it.
+	 */
+	pci_save_state(pdev);
 
 	err = pci_enable_device_mem(pdev);
 	if (err) {
@@ -4482,6 +4706,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 	struct ixgbe_hw *hw = &adapter->hw;
 	u64 total_mpc = 0;
 	u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
+	u64 non_eop_descs = 0, restart_queue = 0;
 
 	if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
 		u64 rsc_count = 0;
@@ -4497,6 +4722,15 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 		adapter->rsc_total_flush = rsc_flush;
 	}
 
+	/* gather some stats to the adapter struct that are per queue */
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		restart_queue += adapter->tx_ring[i].restart_queue;
+	adapter->restart_queue = restart_queue;
+
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		non_eop_descs += adapter->rx_ring[i].non_eop_descs;
+	adapter->non_eop_descs = non_eop_descs;
+
 	adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
 	for (i = 0; i < 8; i++) {
 		/* for packet buffers not used, the register should read 0 */
@@ -4879,14 +5113,12 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
 			                                         iph->daddr, 0,
 			                                         IPPROTO_TCP,
 			                                         0);
-			adapter->hw_tso_ctxt++;
 		} else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
 			ipv6_hdr(skb)->payload_len = 0;
 			tcp_hdr(skb)->check =
 			    ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
 			                     &ipv6_hdr(skb)->daddr,
 			                     0, IPPROTO_TCP, 0);
-			adapter->hw_tso6_ctxt++;
 		}
 
 		i = tx_ring->next_to_use;
@@ -4969,7 +5201,18 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
 		                    IXGBE_ADVTXD_DTYP_CTXT);
 
 		if (skb->ip_summed == CHECKSUM_PARTIAL) {
-			switch (skb->protocol) {
+			__be16 protocol;
+
+			if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) {
+				const struct vlan_ethhdr *vhdr =
+					(const struct vlan_ethhdr *)skb->data;
+
+				protocol = vhdr->h_vlan_encapsulated_proto;
+			} else {
+				protocol = skb->protocol;
+			}
+
+			switch (protocol) {
 			case cpu_to_be16(ETH_P_IP):
 				type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
 				if (ip_hdr(skb)->protocol == IPPROTO_TCP)
@@ -5005,7 +5248,6 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
 		tx_buffer_info->time_stamp = jiffies;
 		tx_buffer_info->next_to_watch = i;
 
-		adapter->hw_csum_tx_good++;
 		i++;
 		if (i == tx_ring->count)
 			i = 0;
@@ -5022,23 +5264,16 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
                         struct sk_buff *skb, u32 tx_flags,
                         unsigned int first)
 {
+	struct pci_dev *pdev = adapter->pdev;
 	struct ixgbe_tx_buffer *tx_buffer_info;
 	unsigned int len;
 	unsigned int total = skb->len;
 	unsigned int offset = 0, size, count = 0, i;
 	unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-
 	if (tx_flags & IXGBE_TX_FLAGS_FCOE)
 		/* excluding fcoe_crc_eof for FCoE */
 		total -= sizeof(struct fcoe_crc_eof);
@@ -5049,7 +5284,12 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 		size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
 
 		tx_buffer_info->length = size;
-		tx_buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
+		tx_buffer_info->mapped_as_page = false;
+		tx_buffer_info->dma = pci_map_single(pdev,
+						     skb->data + offset,
+						     size, PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, tx_buffer_info->dma))
+			goto dma_error;
 		tx_buffer_info->time_stamp = jiffies;
 		tx_buffer_info->next_to_watch = i;
 
@@ -5070,7 +5310,7 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = min((unsigned int)frag->size, total);
-		offset = 0;
+		offset = frag->page_offset;
 
 		while (len) {
 			i++;
@@ -5081,7 +5321,13 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 			size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
 
 			tx_buffer_info->length = size;
-			tx_buffer_info->dma = map[f] + offset;
+			tx_buffer_info->dma = pci_map_page(adapter->pdev,
+							   frag->page,
+							   offset, size,
+							   PCI_DMA_TODEVICE);
+			tx_buffer_info->mapped_as_page = true;
+			if (pci_dma_mapping_error(pdev, tx_buffer_info->dma))
+				goto dma_error;
 			tx_buffer_info->time_stamp = jiffies;
 			tx_buffer_info->next_to_watch = i;
 
@@ -5098,6 +5344,27 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 	tx_ring->tx_buffer_info[first].next_to_watch = i;
 
 	return count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+
+	/* clear timestamp and dma mappings for failed tx_buffer_info map */
+	tx_buffer_info->dma = 0;
+	tx_buffer_info->time_stamp = 0;
+	tx_buffer_info->next_to_watch = 0;
+	if (count)
+		count--;
+
+	/* clear timestamp and dma mappings for remaining portion of packet */
+	while (count--) {
+		if (i==0)
+			i += tx_ring->count;
+		i--;
+		tx_buffer_info = &tx_ring->tx_buffer_info[i];
+		ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
+	}
+
+	return count;
 }
 
 static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
@@ -5217,8 +5484,6 @@ static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb,
 static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
                                  struct ixgbe_ring *tx_ring, int size)
 {
-	struct ixgbe_adapter *adapter = netdev_priv(netdev);
-
 	netif_stop_subqueue(netdev, tx_ring->queue_index);
 	/* Herbert's original patch had:
 	 *  smp_mb__after_netif_stop_queue();
@@ -5232,7 +5497,7 @@ static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
 
 	/* A reprieve! - use start_queue because it doesn't call schedule */
 	netif_start_subqueue(netdev, tx_ring->queue_index);
-	++adapter->restart_queue;
+	++tx_ring->restart_queue;
 	return 0;
 }
 
@@ -5247,10 +5512,19 @@ static int ixgbe_maybe_stop_tx(struct net_device *netdev,
 static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(dev);
+	int txq = smp_processor_id();
 
 	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
-		return smp_processor_id();
+		return txq;
 
+#ifdef IXGBE_FCOE
+	if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
+	    (skb->protocol == htons(ETH_P_FCOE))) {
+		txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
+		txq += adapter->ring_feature[RING_F_FCOE].mask;
+		return txq;
+	}
+#endif
 	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
 		return (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) >> 13;
 
@@ -5262,10 +5536,11 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_ring *tx_ring;
+	struct netdev_queue *txq;
 	unsigned int first;
 	unsigned int tx_flags = 0;
 	u8 hdr_len = 0;
-	int r_idx = 0, tso;
+	int tso;
 	int count = 0;
 	unsigned int f;
 
@@ -5273,13 +5548,13 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 		tx_flags |= vlan_tx_tag_get(skb);
 		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 			tx_flags &= ~IXGBE_TX_FLAGS_VLAN_PRIO_MASK;
-			tx_flags |= (skb->queue_mapping << 13);
+			tx_flags |= ((skb->queue_mapping & 0x7) << 13);
 		}
 		tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT;
 		tx_flags |= IXGBE_TX_FLAGS_VLAN;
 	} else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 		if (skb->priority != TC_PRIO_CONTROL) {
-			tx_flags |= (skb->queue_mapping << 13);
+			tx_flags |= ((skb->queue_mapping & 0x7) << 13);
 			tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT;
 			tx_flags |= IXGBE_TX_FLAGS_VLAN;
 		} else {
@@ -5288,17 +5563,18 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 		}
 	}
 
-	r_idx = skb->queue_mapping;
-	tx_ring = &adapter->tx_ring[r_idx];
+	tx_ring = &adapter->tx_ring[skb->queue_mapping];
 
 	if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
 	    (skb->protocol == htons(ETH_P_FCOE))) {
 		tx_flags |= IXGBE_TX_FLAGS_FCOE;
 #ifdef IXGBE_FCOE
-		r_idx = smp_processor_id();
-		r_idx &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
-		r_idx += adapter->ring_feature[RING_F_FCOE].mask;
-		tx_ring = &adapter->tx_ring[r_idx];
+#ifdef CONFIG_IXGBE_DCB
+		tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK
+			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
+		tx_flags |= ((adapter->fcoe.up << 13)
+			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
+#endif
 #endif
 	}
 	/* four things can cause us to need a context descriptor */
@@ -5358,6 +5634,9 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 				tx_ring->atr_count = 0;
 			}
 		}
+		txq = netdev_get_tx_queue(netdev, tx_ring->queue_index);
+		txq->tx_bytes += skb->len;
+		txq->tx_packets++;
 		ixgbe_tx_queue(adapter, tx_ring, tx_flags, count, skb->len,
 		               hdr_len);
 		ixgbe_maybe_stop_tx(netdev, tx_ring, DESC_NEEDED);
@@ -5372,19 +5651,6 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 }
 
 /**
- * ixgbe_get_stats - Get System Network Statistics
- * @netdev: network interface device structure
- *
- * Returns the address of the device statistics structure.
- * The statistics are actually updated from the timer callback.
- **/
-static struct net_device_stats *ixgbe_get_stats(struct net_device *netdev)
-{
-	/* only return the current stats */
-	return &netdev->stats;
-}
-
-/**
  * ixgbe_set_mac - Change the Ethernet Address of the NIC
  * @netdev: network interface device structure
  * @p: pointer to an address structure
@@ -5403,7 +5669,8 @@ static int ixgbe_set_mac(struct net_device *netdev, void *p)
 	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 	memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
 
-	hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
+	hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs,
+			    IXGBE_RAH_AV);
 
 	return 0;
 }
@@ -5495,6 +5762,10 @@ static void ixgbe_netpoll(struct net_device *netdev)
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	int i;
 
+	/* if interface is down do nothing */
+	if (test_bit(__IXGBE_DOWN, &adapter->state))
+		return;
+
 	adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
 	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
 		int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
@@ -5514,7 +5785,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_stop		= ixgbe_close,
 	.ndo_start_xmit		= ixgbe_xmit_frame,
 	.ndo_select_queue	= ixgbe_select_queue,
-	.ndo_get_stats		= ixgbe_get_stats,
 	.ndo_set_rx_mode        = ixgbe_set_rx_mode,
 	.ndo_set_multicast_list	= ixgbe_set_rx_mode,
 	.ndo_validate_addr	= eth_validate_addr,
@@ -5537,6 +5807,61 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 #endif /* IXGBE_FCOE */
 };
 
+static void __devinit ixgbe_probe_vf(struct ixgbe_adapter *adapter,
+			   const struct ixgbe_info *ii)
+{
+#ifdef CONFIG_PCI_IOV
+	struct ixgbe_hw *hw = &adapter->hw;
+	int err;
+
+	if (hw->mac.type != ixgbe_mac_82599EB || !max_vfs)
+		return;
+
+	/* 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
+	 */
+	adapter->num_vfs = (max_vfs > 63) ? 63 : max_vfs;
+	adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED;
+	err = pci_enable_sriov(adapter->pdev, adapter->num_vfs);
+	if (err) {
+		DPRINTK(PROBE, ERR,
+			"Failed to enable PCI sriov: %d\n", err);
+		goto err_novfs;
+	}
+	/* 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) {
+		/* Now that we're sure SR-IOV is enabled
+		 * and memory allocated set up the mailbox parameters
+		 */
+		ixgbe_init_mbx_params_pf(hw);
+		memcpy(&hw->mbx.ops, ii->mbx_ops,
+		       sizeof(hw->mbx.ops));
+
+		/* Disable RSC when in SR-IOV mode */
+		adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
+				     IXGBE_FLAG2_RSC_ENABLED);
+		return;
+	}
+
+	/* Oh oh */
+	DPRINTK(PROBE, ERR,
+		"Unable to allocate memory for VF "
+		"Data Storage - SRIOV disabled\n");
+	pci_disable_sriov(adapter->pdev);
+
+err_novfs:
+	adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
+	adapter->num_vfs = 0;
+#endif /* CONFIG_PCI_IOV */
+}
+
 /**
  * ixgbe_probe - Device Initialization Routine
  * @pdev: PCI device information struct
@@ -5711,6 +6036,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 		goto err_sw_init;
 	}
 
+	ixgbe_probe_vf(adapter, ii);
+
 	netdev->features = NETIF_F_SG |
 	                   NETIF_F_IP_CSUM |
 	                   NETIF_F_HW_VLAN_TX |
@@ -5731,6 +6058,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	netdev->vlan_features |= NETIF_F_IPV6_CSUM;
 	netdev->vlan_features |= NETIF_F_SG;
 
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+		adapter->flags &= ~(IXGBE_FLAG_RSS_ENABLED |
+				    IXGBE_FLAG_DCB_ENABLED);
 	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
 		adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
 
@@ -5857,6 +6187,13 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 		ixgbe_setup_dca(adapter);
 	}
 #endif
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
+		DPRINTK(PROBE, INFO, "IOV is enabled with %d VFs\n",
+			adapter->num_vfs);
+		for (i = 0; i < adapter->num_vfs; i++)
+			ixgbe_vf_configuration(pdev, (i | 0x10000000));
+	}
+
 	/* add san mac addr to netdev */
 	ixgbe_add_sanmac_netdev(netdev);
 
@@ -5869,6 +6206,8 @@ err_register:
 	ixgbe_clear_interrupt_scheme(adapter);
 err_sw_init:
 err_eeprom:
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+		ixgbe_disable_sriov(adapter);
 	clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
 	del_timer_sync(&adapter->sfp_timer);
 	cancel_work_sync(&adapter->sfp_task);
@@ -5937,6 +6276,9 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
 	if (netdev->reg_state == NETREG_REGISTERED)
 		unregister_netdev(netdev);
 
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+		ixgbe_disable_sriov(adapter);
+
 	ixgbe_clear_interrupt_scheme(adapter);
 
 	ixgbe_release_hw_control(adapter);