ixgbe: add support for x540 MAC

This patch adds support for the x540 MAC which is the next MAC in the
82598/82599 line.
Signed-off-by: NDon Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ixgbe/ixgbe.h

@@ -544,6 +544,10 @@ extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input,
                                          u16 flex_byte);
 extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input,
                                       u8 l4type);
+extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
+                                   struct ixgbe_ring *ring);
+extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter,
+                               struct ixgbe_ring *ring);
 extern void ixgbe_set_rx_mode(struct net_device *netdev);
 #ifdef IXGBE_FCOE
 extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);

drivers/net/ixgbe/ixgbe_dcb.c

@@ -152,10 +152,17 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw,
                         struct ixgbe_dcb_config *dcb_config)
 {
 	s32 ret = 0;
-	if (hw->mac.type == ixgbe_mac_82598EB)
+	switch (hw->mac.type) {
+	case ixgbe_mac_82598EB:
 		ret = ixgbe_dcb_hw_config_82598(hw, dcb_config);
-	else if (hw->mac.type == ixgbe_mac_82599EB)
+		break;
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		ret = ixgbe_dcb_hw_config_82599(hw, dcb_config);
+		break;
+	default:
+		break;
+	}
 	return ret;
 }
 

drivers/net/ixgbe/ixgbe_dcb_nl.c

@@ -130,15 +130,21 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 			netdev->netdev_ops->ndo_stop(netdev);
 		ixgbe_clear_interrupt_scheme(adapter);
 
-		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+		adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+		switch (adapter->hw.mac.type) {
+		case ixgbe_mac_82598EB:
 			adapter->last_lfc_mode = adapter->hw.fc.current_mode;
 			adapter->hw.fc.requested_mode = ixgbe_fc_none;
-		}
-		adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
-		if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+			break;
+		case ixgbe_mac_82599EB:
+		case ixgbe_mac_X540:
 			adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
 			adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
+			break;
+		default:
+			break;
 		}
+
 		adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
 		ixgbe_init_interrupt_scheme(adapter);
 		if (netif_running(netdev))
@@ -155,8 +161,14 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 			adapter->dcb_cfg.pfc_mode_enable = false;
 			adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
 			adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
-			if (adapter->hw.mac.type == ixgbe_mac_82599EB)
+			switch (adapter->hw.mac.type) {
+			case ixgbe_mac_82599EB:
+			case ixgbe_mac_X540:
 				adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
+				break;
+			default:
+				break;
+			}
 
 			ixgbe_init_interrupt_scheme(adapter);
 			if (netif_running(netdev))
@@ -178,9 +190,14 @@ static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
 	for (i = 0; i < netdev->addr_len; i++)
 		perm_addr[i] = adapter->hw.mac.perm_addr[i];
 
-	if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+	switch (adapter->hw.mac.type) {
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		for (j = 0; j < netdev->addr_len; j++, i++)
 			perm_addr[i] = adapter->hw.mac.san_addr[j];
+		break;
+	default:
+		break;
 	}
 }
 
@@ -366,15 +383,29 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
 	}
 
 	if (adapter->dcb_cfg.pfc_mode_enable) {
-		if ((adapter->hw.mac.type != ixgbe_mac_82598EB) &&
-			(adapter->hw.fc.current_mode != ixgbe_fc_pfc))
-			adapter->last_lfc_mode = adapter->hw.fc.current_mode;
+		switch (adapter->hw.mac.type) {
+		case ixgbe_mac_82599EB:
+		case ixgbe_mac_X540:
+			if (adapter->hw.fc.current_mode != ixgbe_fc_pfc)
+				adapter->last_lfc_mode =
+				                  adapter->hw.fc.current_mode;
+			break;
+		default:
+			break;
+		}
 		adapter->hw.fc.requested_mode = ixgbe_fc_pfc;
 	} else {
-		if (adapter->hw.mac.type != ixgbe_mac_82598EB)
-			adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
-		else
+		switch (adapter->hw.mac.type) {
+		case ixgbe_mac_82598EB:
 			adapter->hw.fc.requested_mode = ixgbe_fc_none;
+			break;
+		case ixgbe_mac_82599EB:
+		case ixgbe_mac_X540:
+			adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
+			break;
+		default:
+			break;
+		}
 	}
 
 	if (adapter->dcb_set_bitmap & BIT_RESETLINK) {

drivers/net/ixgbe/ixgbe_ethtool.c

@@ -431,15 +431,21 @@ static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	u32 feature_list;
 
-	if (data) {
-		netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
-		if (adapter->hw.mac.type == ixgbe_mac_82599EB)
-			netdev->features |= NETIF_F_SCTP_CSUM;
-	} else {
-		netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
-				      NETIF_F_SCTP_CSUM);
+	feature_list = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
+	switch (adapter->hw.mac.type) {
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
+		feature_list |= NETIF_F_SCTP_CSUM;
+		break;
+	default:
+		break;
 	}
+	if (data)
+		netdev->features |= feature_list;
+	else
+		netdev->features &= ~feature_list;
 
 	return 0;
 }
@@ -1250,6 +1256,7 @@ static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
 		test = reg_test_82598;
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		toggle = 0x7FFFF30F;
 		test = reg_test_82599;
 		break;
@@ -1476,6 +1483,7 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
 
 	switch (hw->mac.type) {
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
 		reg_ctl &= ~IXGBE_DMATXCTL_TE;
 		IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
@@ -1512,6 +1520,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
 
 	switch (adapter->hw.mac.type) {
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
 		reg_data |= IXGBE_DMATXCTL_TE;
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
@@ -2198,6 +2207,22 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data)
 			case ixgbe_mac_82599EB:
 				need_reset = true;
 				break;
+			case ixgbe_mac_X540: {
+				int i;
+				for (i = 0; i < adapter->num_rx_queues; i++) {
+					struct ixgbe_ring *ring =
+					                  adapter->rx_ring[i];
+					if (adapter->flags2 &
+					    IXGBE_FLAG2_RSC_ENABLED) {
+						ixgbe_configure_rscctl(adapter,
+						                       ring);
+					} else {
+						ixgbe_clear_rscctl(adapter,
+						                   ring);
+					}
+				}
+			}
+				break;
 			default:
 				break;
 			}

drivers/net/ixgbe/ixgbe_main.c

@@ -113,6 +113,8 @@ static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = {
 	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_COMBO_BACKPLANE),
 	 board_82599 },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540T),
+	 board_82599 },
 
 	/* required last entry */
 	{0, }
@@ -561,6 +563,7 @@ static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, s8 direction,
 		IXGBE_WRITE_REG(hw, IXGBE_IVAR(index), ivar);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		if (direction == -1) {
 			/* other causes */
 			msix_vector |= IXGBE_IVAR_ALLOC_VAL;
@@ -596,6 +599,7 @@ static inline void ixgbe_irq_rearm_queues(struct ixgbe_adapter *adapter,
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		mask = (qmask & 0xFFFFFFFF);
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask);
 		mask = (qmask >> 32);
@@ -923,6 +927,7 @@ static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter,
 		rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		rxctrl &= ~IXGBE_DCA_RXCTRL_CPUID_MASK_82599;
 		rxctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
 			   IXGBE_DCA_RXCTRL_CPUID_SHIFT_82599);
@@ -956,6 +961,7 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
 		IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(reg_idx), txctrl);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(reg_idx));
 		txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599;
 		txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
@@ -1581,6 +1587,7 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 			       v_idx);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		ixgbe_set_ivar(adapter, -1, 1, v_idx);
 		break;
 
@@ -1688,8 +1695,9 @@ void ixgbe_write_eitr(struct ixgbe_q_vector *q_vector)
 		itr_reg |= (itr_reg << 16);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		/*
-		 * 82599 can support a value of zero, so allow it for
+		 * 82599 and X540 can support a value of zero, so allow it for
 		 * max interrupt rate, but there is an errata where it can
 		 * not be zero with RSC
 		 */
@@ -1885,6 +1893,7 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
 
 	switch (hw->mac.type) {
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		/* Handle Flow Director Full threshold interrupt */
 		if (eicr & IXGBE_EICR_FLOW_DIR) {
 			int i;
@@ -1930,6 +1939,7 @@ static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
 		IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		mask = (qmask & 0xFFFFFFFF);
 		if (mask)
 			IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask);
@@ -1955,6 +1965,7 @@ static inline void ixgbe_irq_disable_queues(struct ixgbe_adapter *adapter,
 		IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		mask = (qmask & 0xFFFFFFFF);
 		if (mask)
 			IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask);
@@ -2427,6 +2438,7 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter, bool queues,
 		mask |= IXGBE_EIMS_GPI_SDP1;
 	switch (adapter->hw.mac.type) {
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		mask |= IXGBE_EIMS_ECC;
 		mask |= IXGBE_EIMS_GPI_SDP1;
 		mask |= IXGBE_EIMS_GPI_SDP2;
@@ -2492,6 +2504,7 @@ static irqreturn_t ixgbe_intr(int irq, void *data)
 
 	switch (hw->mac.type) {
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		ixgbe_check_sfp_event(adapter, eicr);
 		if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
 		    ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) {
@@ -2601,6 +2614,7 @@ static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		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);
@@ -2795,6 +2809,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
 	}
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 	default:
 		break;
 	}
@@ -2891,12 +2906,29 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
 	IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
 }
 
+/**
+ * ixgbe_clear_rscctl - disable RSC for the indicated ring
+ * @adapter: address of board private structure
+ * @ring: structure containing ring specific data
+ **/
+void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter,
+                        struct ixgbe_ring *ring)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 rscctrl;
+	u8 reg_idx = ring->reg_idx;
+
+	rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(reg_idx));
+	rscctrl &= ~IXGBE_RSCCTL_RSCEN;
+	IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(reg_idx), rscctrl);
+}
+
 /**
  * ixgbe_configure_rscctl - enable RSC for the indicated ring
  * @adapter:    address of board private structure
  * @index:      index of ring to set
  **/
-static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
+void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
 				   struct ixgbe_ring *ring)
 {
 	struct ixgbe_hw *hw = &adapter->hw;
@@ -3201,6 +3233,7 @@ static void ixgbe_setup_rdrxctl(struct ixgbe_adapter *adapter)
 		rdrxctl |= IXGBE_RDRXCTL_MVMEN;
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		/* Disable RSC for ACK packets */
 		IXGBE_WRITE_REG(hw, IXGBE_RSCDBU,
 		   (IXGBE_RSCDBU_RSCACKDIS | IXGBE_READ_REG(hw, IXGBE_RSCDBU)));
@@ -3328,6 +3361,7 @@ static void ixgbe_vlan_strip_disable(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			j = adapter->rx_ring[i]->reg_idx;
 			vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
@@ -3357,6 +3391,7 @@ static void ixgbe_vlan_strip_enable(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			j = adapter->rx_ring[i]->reg_idx;
 			vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
@@ -3712,8 +3747,9 @@ static void ixgbe_setup_gpie(struct ixgbe_adapter *adapter)
 		case ixgbe_mac_82598EB:
 			IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
 			break;
-		default:
 		case ixgbe_mac_82599EB:
+		case ixgbe_mac_X540:
+		default:
 			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF);
 			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF);
 			break;
@@ -4061,6 +4097,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 	/* Disable the Tx DMA engine on 82599 */
 	switch (hw->mac.type) {
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL,
 				(IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
 				 ~IXGBE_DMATXCTL_TE));
@@ -4435,6 +4472,7 @@ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter)
 		ret = true;
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		if (dcb_i == 8) {
 			/*
 			 * Tx TC0 starts at: descriptor queue 0
@@ -5049,6 +5087,7 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
 		adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598;
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599;
 		adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
 		adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
@@ -5567,6 +5606,7 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
 		pci_wake_from_d3(pdev, false);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		pci_wake_from_d3(pdev, !!wufc);
 		break;
 	default:
@@ -5696,6 +5736,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 				IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
 			break;
 		case ixgbe_mac_82599EB:
+		case ixgbe_mac_X540:
 			hwstats->pxonrxc[i] +=
 				IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
 			break;
@@ -5720,6 +5761,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 		hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
 		break;
 	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
 		IXGBE_READ_REG(hw, IXGBE_GORCH); /* to clear */
 		hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
@@ -5983,7 +6025,8 @@ static void ixgbe_watchdog_task(struct work_struct *work)
 				flow_tx = !!(rmcs & IXGBE_RMCS_TFCE_802_3X);
 			}
 				break;
-			case ixgbe_mac_82599EB: {
+			case ixgbe_mac_82599EB:
+			case ixgbe_mac_X540: {
 				u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 				u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
 				flow_rx = !!(mflcn & IXGBE_MFLCN_RFCE);
@@ -7057,8 +7100,14 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 		goto err_sw_init;
 
 	/* Make it possible the adapter to be woken up via WOL */
-	if (adapter->hw.mac.type == ixgbe_mac_82599EB)
+	switch (adapter->hw.mac.type) {
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
+		break;
+	default:
+		break;
+	}
 
 	/*
 	 * If there is a fan on this device and it has failed log the

drivers/net/ixgbe/ixgbe_mbx.c

@@ -319,8 +319,14 @@ static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
 	u32 vflre = 0;
 	s32 ret_val = IXGBE_ERR_MBX;
 
-	if (hw->mac.type == ixgbe_mac_82599EB)
+	switch (hw->mac.type) {
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
 		vflre = IXGBE_READ_REG(hw, IXGBE_VFLRE(reg_offset));
+		break;
+	default:
+		break;
+	}
 
 	if (vflre & (1 << vf_shift)) {
 		ret_val = 0;
@@ -439,19 +445,23 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
 {
 	struct ixgbe_mbx_info *mbx = &hw->mbx;
 
-	if (hw->mac.type != ixgbe_mac_82599EB)
-		return;
-
-	mbx->timeout = 0;
-	mbx->usec_delay = 0;
-
-	mbx->size = IXGBE_VFMAILBOX_SIZE;
-
-	mbx->stats.msgs_tx = 0;
-	mbx->stats.msgs_rx = 0;
-	mbx->stats.reqs = 0;
-	mbx->stats.acks = 0;
-	mbx->stats.rsts = 0;
+	switch (hw->mac.type) {
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
+		mbx->timeout = 0;
+		mbx->usec_delay = 0;
+
+		mbx->size = IXGBE_VFMAILBOX_SIZE;
+
+		mbx->stats.msgs_tx = 0;
+		mbx->stats.msgs_rx = 0;
+		mbx->stats.reqs = 0;
+		mbx->stats.acks = 0;
+		mbx->stats.rsts = 0;
+		break;
+	default:
+		break;
+	}
 }
 
 struct ixgbe_mbx_operations mbx_ops_generic = {

drivers/net/ixgbe/ixgbe_type.h

@@ -58,6 +58,7 @@
 #define IXGBE_DEV_ID_82599_XAUI_LOM      0x10FC
 #define IXGBE_DEV_ID_82599_COMBO_BACKPLANE 0x10F8
 #define IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ  0x000C
+#define IXGBE_DEV_ID_X540T               0x1528
 
 /* General Registers */
 #define IXGBE_CTRL      0x00000

drivers/net/ixgbe/ixgbe_x540.c

@@ -46,7 +46,7 @@ static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask);
 static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw);
 static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw);
 
-enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw)
+static enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw)
 {
 	return ixgbe_media_type_copper;
 }
@@ -75,9 +75,9 @@ static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw)
  *  @autoneg: true if autonegotiation enabled
  *  @autoneg_wait_to_complete: true when waiting for completion is needed
  **/
-s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
-                              ixgbe_link_speed speed, bool autoneg,
-                              bool autoneg_wait_to_complete)
+static s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
+                                     ixgbe_link_speed speed, bool autoneg,
+                                     bool autoneg_wait_to_complete)
 {
 	return hw->phy.ops.setup_link_speed(hw, speed, autoneg,
 	                                    autoneg_wait_to_complete);
@@ -91,7 +91,7 @@ s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
  *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
  *  reset.
  **/
-s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
+static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
 {
 	ixgbe_link_speed link_speed;
 	s32 status = 0;
@@ -222,7 +222,7 @@ s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
  *
  *  Determines physical layer capabilities of the current configuration.
  **/
-u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
+static u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
 {
 	u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
 	u16 ext_ability = 0;
@@ -245,7 +245,7 @@ u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
  * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
  * @hw: pointer to hardware structure
  **/
-s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
+static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
 {
 	struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
 	u32 eec;
@@ -274,7 +274,7 @@ s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
  * @offset: offset of word in the EEPROM to read
  * @data: word read from the EERPOM
  **/
-s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
+static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
 {
 	s32 status;
 
@@ -295,7 +295,7 @@ s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
  *
  * Write a 16 bit word to the EEPROM using the EEWR register.
  **/
-s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
+static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
 {
 	u32 eewr;
 	s32 status;
@@ -406,7 +406,7 @@ static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
  * checksum and updates the EEPROM and instructs the hardware to update
  * the flash.
  **/
-s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw)
+static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw)
 {
 	s32 status;