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Date:      Thu, 30 Apr 2015 22:53:28 +0000 (UTC)
From:      Eric Joyner <erj@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r282289 - head/sys/dev/ixgbe
Message-ID:  <201504302253.t3UMrSFL011277@svn.freebsd.org>

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Author: erj
Date: Thu Apr 30 22:53:27 2015
New Revision: 282289
URL: https://svnweb.freebsd.org/changeset/base/282289

Log:
  Add support for certain Intel X550 devices.
  
  These include standalone X550 adapters, X552 10GbE backplane, and
  X552/X557-AT 10GBASE-T; with the latter two being integrated into Xeon D SoCs.
  
  As well, this bumps the ixgbe version number to 2.8.3, and includes updates
  to shared code for support for the new devices.
  
  Differential Revision: D2414
  Reviewed by:	gnn, adrian
  Approved by:	jfv (mentor), gnn (mentor)

Added:
  head/sys/dev/ixgbe/ixgbe_x550.c   (contents, props changed)
  head/sys/dev/ixgbe/ixgbe_x550.h   (contents, props changed)
Modified:
  head/sys/dev/ixgbe/if_ix.c
  head/sys/dev/ixgbe/if_ixv.c
  head/sys/dev/ixgbe/ix_txrx.c
  head/sys/dev/ixgbe/ixgbe.h
  head/sys/dev/ixgbe/ixgbe_82598.c
  head/sys/dev/ixgbe/ixgbe_82598.h
  head/sys/dev/ixgbe/ixgbe_82599.c
  head/sys/dev/ixgbe/ixgbe_82599.h
  head/sys/dev/ixgbe/ixgbe_api.c
  head/sys/dev/ixgbe/ixgbe_api.h
  head/sys/dev/ixgbe/ixgbe_common.c
  head/sys/dev/ixgbe/ixgbe_common.h
  head/sys/dev/ixgbe/ixgbe_dcb.c
  head/sys/dev/ixgbe/ixgbe_dcb.h
  head/sys/dev/ixgbe/ixgbe_dcb_82598.c
  head/sys/dev/ixgbe/ixgbe_dcb_82598.h
  head/sys/dev/ixgbe/ixgbe_dcb_82599.c
  head/sys/dev/ixgbe/ixgbe_dcb_82599.h
  head/sys/dev/ixgbe/ixgbe_mbx.c
  head/sys/dev/ixgbe/ixgbe_mbx.h
  head/sys/dev/ixgbe/ixgbe_osdep.h
  head/sys/dev/ixgbe/ixgbe_phy.c
  head/sys/dev/ixgbe/ixgbe_phy.h
  head/sys/dev/ixgbe/ixgbe_type.h
  head/sys/dev/ixgbe/ixgbe_vf.c
  head/sys/dev/ixgbe/ixgbe_vf.h
  head/sys/dev/ixgbe/ixgbe_x540.c
  head/sys/dev/ixgbe/ixgbe_x540.h

Modified: head/sys/dev/ixgbe/if_ix.c
==============================================================================
--- head/sys/dev/ixgbe/if_ix.c	Thu Apr 30 22:51:15 2015	(r282288)
+++ head/sys/dev/ixgbe/if_ix.c	Thu Apr 30 22:53:27 2015	(r282289)
@@ -54,7 +54,7 @@ int             ixgbe_display_debug_stat
 /*********************************************************************
  *  Driver version
  *********************************************************************/
-char ixgbe_driver_version[] = "2.7.4";
+char ixgbe_driver_version[] = "2.8.3";
 
 /*********************************************************************
  *  PCI Device ID Table
@@ -117,6 +117,8 @@ static int      ixgbe_probe(device_t);
 static int      ixgbe_attach(device_t);
 static int      ixgbe_detach(device_t);
 static int      ixgbe_shutdown(device_t);
+static int	ixgbe_suspend(device_t);
+static int	ixgbe_resume(device_t);
 static int      ixgbe_ioctl(struct ifnet *, u_long, caddr_t);
 static void	ixgbe_init(void *);
 static void	ixgbe_init_locked(struct adapter *);
@@ -136,7 +138,12 @@ static int	ixgbe_setup_msix(struct adapt
 static void	ixgbe_free_pci_resources(struct adapter *);
 static void	ixgbe_local_timer(void *);
 static int	ixgbe_setup_interface(device_t, struct adapter *);
+static void	ixgbe_config_dmac(struct adapter *);
+static void	ixgbe_config_delay_values(struct adapter *);
 static void	ixgbe_config_link(struct adapter *);
+static void	ixgbe_check_eee_support(struct adapter *);
+static void	ixgbe_check_wol_support(struct adapter *);
+static int	ixgbe_setup_low_power_mode(struct adapter *);
 static void	ixgbe_rearm_queues(struct adapter *, u64);
 
 static void     ixgbe_initialize_transmit_units(struct adapter *);
@@ -150,9 +157,6 @@ static void     ixgbe_update_stats_count
 static void     ixgbe_set_promisc(struct adapter *);
 static void     ixgbe_set_multi(struct adapter *);
 static void     ixgbe_update_link_status(struct adapter *);
-static int	ixgbe_set_flowcntl(SYSCTL_HANDLER_ARGS);
-static int	ixgbe_set_advertise(SYSCTL_HANDLER_ARGS);
-static int	ixgbe_set_thermal_test(SYSCTL_HANDLER_ARGS);
 static void	ixgbe_set_ivar(struct adapter *, u8, u8, s8);
 static void	ixgbe_configure_ivars(struct adapter *);
 static u8 *	ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *);
@@ -161,7 +165,22 @@ static void	ixgbe_setup_vlan_hw_support(
 static void	ixgbe_register_vlan(void *, struct ifnet *, u16);
 static void	ixgbe_unregister_vlan(void *, struct ifnet *, u16);
 
-static void     ixgbe_add_hw_stats(struct adapter *adapter);
+static void	ixgbe_add_device_sysctls(struct adapter *);
+static void     ixgbe_add_hw_stats(struct adapter *);
+
+/* Sysctl handlers */
+static int	ixgbe_set_flowcntl(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_set_advertise(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_thermal_test(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_dmac(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_phy_temp(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_phy_overtemp_occurred(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_wol_enable(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_wufc(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_eee_enable(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_eee_negotiated(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_eee_rx_lpi_status(SYSCTL_HANDLER_ARGS);
+static int	ixgbe_sysctl_eee_tx_lpi_status(SYSCTL_HANDLER_ARGS);
 
 /* Support for pluggable optic modules */
 static bool	ixgbe_sfp_probe(struct adapter *);
@@ -179,6 +198,7 @@ static void	ixgbe_handle_que(void *, int
 static void	ixgbe_handle_link(void *, int);
 static void	ixgbe_handle_msf(void *, int);
 static void	ixgbe_handle_mod(void *, int);
+static void	ixgbe_handle_phy(void *, int);
 
 #ifdef IXGBE_FDIR
 static void	ixgbe_reinit_fdir(void *, int);
@@ -198,6 +218,8 @@ static device_method_t ix_methods[] = {
 	DEVMETHOD(device_attach, ixgbe_attach),
 	DEVMETHOD(device_detach, ixgbe_detach),
 	DEVMETHOD(device_shutdown, ixgbe_shutdown),
+	DEVMETHOD(device_suspend, ixgbe_suspend),
+	DEVMETHOD(device_resume, ixgbe_resume),
 	DEVMETHOD_END
 };
 
@@ -404,32 +426,6 @@ ixgbe_attach(device_t dev)
 	/* Core Lock Init*/
 	IXGBE_CORE_LOCK_INIT(adapter, device_get_nameunit(dev));
 
-	/* SYSCTL APIs */
-	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-			OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW,
-			adapter, 0, ixgbe_set_flowcntl, "I", IXGBE_SYSCTL_DESC_SET_FC);
-
-        SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
-			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-			OID_AUTO, "enable_aim", CTLFLAG_RW,
-			&ixgbe_enable_aim, 1, "Interrupt Moderation");
-
-	/*
-	** Allow a kind of speed control by forcing the autoneg
-	** advertised speed list to only a certain value, this
-	** supports 1G on 82599 devices, and 100Mb on x540.
-	*/
-	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-			OID_AUTO, "advertise_speed", CTLTYPE_INT | CTLFLAG_RW,
-			adapter, 0, ixgbe_set_advertise, "I", IXGBE_SYSCTL_DESC_ADV_SPEED);
-
-	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-			OID_AUTO, "ts", CTLTYPE_INT | CTLFLAG_RW, adapter,
-			0, ixgbe_set_thermal_test, "I", "Thermal Test");
-
 	/* Set up the timer callout */
 	callout_init_mtx(&adapter->timer, &adapter->core_mtx, 0);
 
@@ -559,22 +555,26 @@ ixgbe_attach(device_t dev)
 	adapter->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
 	    ixgbe_unregister_vlan, adapter, EVENTHANDLER_PRI_FIRST);
 
-        /*
-	** Check PCIE slot type/speed/width
-	*/
+        /* Check PCIE slot type/speed/width */
 	ixgbe_get_slot_info(hw);
 
 
 	/* Set an initial default flow control value */
 	adapter->fc = ixgbe_fc_full;
 
+	/* Check for certain supported features */
+	ixgbe_check_wol_support(adapter);
+	ixgbe_check_eee_support(adapter);
+
+	/* Add sysctls */
+	ixgbe_add_device_sysctls(adapter);
+	ixgbe_add_hw_stats(adapter);
+
 	/* let hardware know driver is loaded */
 	ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 	ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD;
 	IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
 
-	ixgbe_add_hw_stats(adapter);
-
 #ifdef DEV_NETMAP
 	ixgbe_netmap_attach(adapter);
 #endif /* DEV_NETMAP */
@@ -618,8 +618,9 @@ ixgbe_detach(device_t dev)
 		return (EBUSY);
 	}
 
+	/* Stop the adapter */
 	IXGBE_CORE_LOCK(adapter);
-	ixgbe_stop(adapter);
+	ixgbe_setup_low_power_mode(adapter);
 	IXGBE_CORE_UNLOCK(adapter);
 
 	for (int i = 0; i < adapter->num_queues; i++, que++, txr++) {
@@ -637,6 +638,7 @@ ixgbe_detach(device_t dev)
 		taskqueue_drain(adapter->tq, &adapter->link_task);
 		taskqueue_drain(adapter->tq, &adapter->mod_task);
 		taskqueue_drain(adapter->tq, &adapter->msf_task);
+		taskqueue_drain(adapter->tq, &adapter->phy_task);
 #ifdef IXGBE_FDIR
 		taskqueue_drain(adapter->tq, &adapter->fdir_task);
 #endif
@@ -681,9 +683,77 @@ static int
 ixgbe_shutdown(device_t dev)
 {
 	struct adapter *adapter = device_get_softc(dev);
+	int error = 0;
+
+	INIT_DEBUGOUT("ixgbe_shutdown: begin");
+
+	IXGBE_CORE_LOCK(adapter);
+	error = ixgbe_setup_low_power_mode(adapter);
+	IXGBE_CORE_UNLOCK(adapter);
+
+	return (error);
+}
+
+/**
+ * Methods for going from:
+ * D0 -> D3: ixgbe_suspend
+ * D3 -> D0: ixgbe_resume
+ */
+static int
+ixgbe_suspend(device_t dev)
+{
+	struct adapter *adapter = device_get_softc(dev);
+	int error = 0;
+
+	INIT_DEBUGOUT("ixgbe_suspend: begin");
+
+	IXGBE_CORE_LOCK(adapter);
+
+	error = ixgbe_setup_low_power_mode(adapter);
+
+	/* Save state and power down */
+	pci_save_state(dev);
+	pci_set_powerstate(dev, PCI_POWERSTATE_D3);
+
+	IXGBE_CORE_UNLOCK(adapter);
+
+	return (error);
+}
+
+static int
+ixgbe_resume(device_t dev)
+{
+	struct adapter *adapter = device_get_softc(dev);
+	struct ifnet *ifp = adapter->ifp;
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 wus;
+
+	INIT_DEBUGOUT("ixgbe_resume: begin");
+
 	IXGBE_CORE_LOCK(adapter);
-	ixgbe_stop(adapter);
+
+	pci_set_powerstate(dev, PCI_POWERSTATE_D0);
+	pci_restore_state(dev);
+
+	/* Read & clear WUS register */
+	wus = IXGBE_READ_REG(hw, IXGBE_WUS);
+	if (wus)
+		device_printf(dev, "Woken up by (WUS): %#010x\n",
+		    IXGBE_READ_REG(hw, IXGBE_WUS));
+	IXGBE_WRITE_REG(hw, IXGBE_WUS, 0xffffffff);
+	/* And clear WUFC until next low-power transition */
+	IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
+
+	/*
+	 * Required after D3->D0 transition;
+	 * will re-advertise all previous advertised speeds
+	 */
+	if (ifp->if_flags & IFF_UP)
+		ixgbe_init_locked(adapter);
+
 	IXGBE_CORE_UNLOCK(adapter);
+
+	INIT_DEBUGOUT("ixgbe_resume: end");
 	return (0);
 }
 
@@ -736,13 +806,13 @@ ixgbe_ioctl(struct ifnet * ifp, u_long c
 		break;
 	case SIOCSIFMTU:
 		IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)");
-		if (ifr->ifr_mtu > IXGBE_MAX_FRAME_SIZE - ETHER_HDR_LEN) {
+		if (ifr->ifr_mtu > IXGBE_MAX_MTU) {
 			error = EINVAL;
 		} else {
 			IXGBE_CORE_LOCK(adapter);
 			ifp->if_mtu = ifr->ifr_mtu;
 			adapter->max_frame_size =
-				ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+				ifp->if_mtu + IXGBE_MTU_HDR;
 			ixgbe_init_locked(adapter);
 			IXGBE_CORE_UNLOCK(adapter);
 		}
@@ -891,7 +961,7 @@ ixgbe_init_locked(struct adapter *adapte
 
 	/* Prepare transmit descriptors and buffers */
 	if (ixgbe_setup_transmit_structures(adapter)) {
-		device_printf(dev,"Could not setup transmit structures\n");
+		device_printf(dev, "Could not setup transmit structures\n");
 		ixgbe_stop(adapter);
 		return;
 	}
@@ -917,7 +987,7 @@ ixgbe_init_locked(struct adapter *adapte
 
 	/* Prepare receive descriptors and buffers */
 	if (ixgbe_setup_receive_structures(adapter)) {
-		device_printf(dev,"Could not setup receive structures\n");
+		device_printf(dev, "Could not setup receive structures\n");
 		ixgbe_stop(adapter);
 		return;
 	}
@@ -932,11 +1002,16 @@ ixgbe_init_locked(struct adapter *adapte
 
 	/* Add for Module detection */
 	if (hw->mac.type == ixgbe_mac_82599EB)
-		gpie |= IXGBE_SDP2_GPIEN_BY_MAC(hw);
+		gpie |= IXGBE_SDP2_GPIEN;
 
-	/* Thermal Failure Detection */
-	if (hw->mac.type == ixgbe_mac_X540)
-		gpie |= IXGBE_SDP0_GPIEN_BY_MAC(hw);
+	/*
+	 * Thermal Failure Detection (X540)
+	 * Link Detection (X552)
+	 */
+	if (hw->mac.type == ixgbe_mac_X540 ||
+	    hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP ||
+	    hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T)
+		gpie |= IXGBE_SDP0_GPIEN_X540;
 
 	if (adapter->msix > 1) {
 		/* Enable Enhanced MSIX mode */
@@ -948,6 +1023,7 @@ ixgbe_init_locked(struct adapter *adapte
 
 	/* Set MTU size */
 	if (ifp->if_mtu > ETHERMTU) {
+		/* aka IXGBE_MAXFRS on 82599 and newer */
 		mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD);
 		mhadd &= ~IXGBE_MHADD_MFS_MASK;
 		mhadd |= adapter->max_frame_size << IXGBE_MHADD_MFS_SHIFT;
@@ -955,7 +1031,6 @@ ixgbe_init_locked(struct adapter *adapte
 	}
 	
 	/* Now enable all the queues */
-
 	for (int i = 0; i < adapter->num_queues; i++) {
 		txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 		txdctl |= IXGBE_TXDCTL_ENABLE;
@@ -1072,55 +1147,25 @@ ixgbe_init_locked(struct adapter *adapte
 	/* Set moderation on the Link interrupt */
 	IXGBE_WRITE_REG(hw, IXGBE_EITR(adapter->vector), IXGBE_LINK_ITR);
 
+	/* Configure Energy Efficient Ethernet for supported devices */
+	if (adapter->eee_support)
+		ixgbe_setup_eee(hw, adapter->eee_enabled);
+
 	/* Config/Enable Link */
 	ixgbe_config_link(adapter);
 
 	/* Hardware Packet Buffer & Flow Control setup */
-	{
-		u32 rxpb, frame, size, tmp;
-
-		frame = adapter->max_frame_size;
-
-		/* Calculate High Water */
-		switch (hw->mac.type) {
-		case ixgbe_mac_X540:
-		case ixgbe_mac_X550:
-		case ixgbe_mac_X550EM_a:
-		case ixgbe_mac_X550EM_x:
-			tmp = IXGBE_DV_X540(frame, frame);
-			break;
-		default:
-			tmp = IXGBE_DV(frame, frame);
-			break;
-		}
-		size = IXGBE_BT2KB(tmp);
-		rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10;
-		hw->fc.high_water[0] = rxpb - size;
+	ixgbe_config_delay_values(adapter);
 
-		/* Now calculate Low Water */
-		switch (hw->mac.type) {
-		case ixgbe_mac_X540:
-		case ixgbe_mac_X550:
-		case ixgbe_mac_X550EM_a:
-		case ixgbe_mac_X550EM_x:
-			tmp = IXGBE_LOW_DV_X540(frame);
-			break;
-		default:
-			tmp = IXGBE_LOW_DV(frame);
-			break;
-		}
-		hw->fc.low_water[0] = IXGBE_BT2KB(tmp);
-		
-		hw->fc.requested_mode = adapter->fc;
-		hw->fc.pause_time = IXGBE_FC_PAUSE;
-		hw->fc.send_xon = TRUE;
-	}
 	/* Initialize the FC settings */
 	ixgbe_start_hw(hw);
 
 	/* Set up VLAN support and filter */
 	ixgbe_setup_vlan_hw_support(adapter);
 
+	/* Setup DMA Coalescing */
+	ixgbe_config_dmac(adapter);
+
 	/* And now turn on interrupts */
 	ixgbe_enable_intr(adapter);
 
@@ -1141,6 +1186,46 @@ ixgbe_init(void *arg)
 	return;
 }
 
+static void
+ixgbe_config_delay_values(struct adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	u32 rxpb, frame, size, tmp;
+
+	frame = adapter->max_frame_size;
+
+	/* Calculate High Water */
+	switch (hw->mac.type) {
+	case ixgbe_mac_X540:
+	case ixgbe_mac_X550:
+	case ixgbe_mac_X550EM_x:
+		tmp = IXGBE_DV_X540(frame, frame);
+		break;
+	default:
+		tmp = IXGBE_DV(frame, frame);
+		break;
+	}
+	size = IXGBE_BT2KB(tmp);
+	rxpb = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(0)) >> 10;
+	hw->fc.high_water[0] = rxpb - size;
+
+	/* Now calculate Low Water */
+	switch (hw->mac.type) {
+	case ixgbe_mac_X540:
+	case ixgbe_mac_X550:
+	case ixgbe_mac_X550EM_x:
+		tmp = IXGBE_LOW_DV_X540(frame);
+		break;
+	default:
+		tmp = IXGBE_LOW_DV(frame);
+		break;
+	}
+	hw->fc.low_water[0] = IXGBE_BT2KB(tmp);
+
+	hw->fc.requested_mode = adapter->fc;
+	hw->fc.pause_time = IXGBE_FC_PAUSE;
+	hw->fc.send_xon = TRUE;
+}
 
 /*
 **
@@ -1195,9 +1280,10 @@ ixgbe_handle_que(void *context, int pend
 	struct adapter  *adapter = que->adapter;
 	struct tx_ring  *txr = que->txr;
 	struct ifnet    *ifp = adapter->ifp;
+	bool		more;
 
 	if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
-		ixgbe_rxeof(que);
+		more = ixgbe_rxeof(que);
 		IXGBE_TX_LOCK(txr);
 		ixgbe_txeof(txr);
 #ifndef IXGBE_LEGACY_TX
@@ -1270,6 +1356,11 @@ ixgbe_legacy_irq(void *arg)
 	if (reg_eicr & IXGBE_EICR_LSC)
 		taskqueue_enqueue(adapter->tq, &adapter->link_task);
 
+	/* External PHY interrupt */
+	if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T &&
+	    (reg_eicr & IXGBE_EICR_GPI_SDP0_X540))
+		taskqueue_enqueue(adapter->tq, &adapter->phy_task);
+
 	if (more)
 		taskqueue_enqueue(que->tq, &que->que_task);
 	else
@@ -1378,9 +1469,9 @@ ixgbe_msix_link(void *arg)
 {
 	struct adapter	*adapter = arg;
 	struct ixgbe_hw *hw = &adapter->hw;
-	u32		reg_eicr;
+	u32		reg_eicr, mod_mask;
 
-	++adapter->vector_irq;
+	++adapter->link_irq;
 
 	/* First get the cause */
 	reg_eicr = IXGBE_READ_REG(hw, IXGBE_EICS);
@@ -1408,42 +1499,46 @@ ixgbe_msix_link(void *arg)
                 	device_printf(adapter->dev, "\nCRITICAL: ECC ERROR!! "
 			    "Please Reboot!!\n");
 			IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC);
-		} else
+		}
 
-		if (ixgbe_is_sfp(hw)) {
-			if (reg_eicr & IXGBE_EICR_GPI_SDP1) {
-				IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw));
-				taskqueue_enqueue(adapter->tq, &adapter->msf_task);
-			} else if (reg_eicr & IXGBE_EICR_GPI_SDP2) {
-				IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2_BY_MAC(hw));
-				taskqueue_enqueue(adapter->tq, &adapter->mod_task);
-			}
+		/* Check for over temp condition */
+		if (reg_eicr & IXGBE_EICR_TS) {
+			device_printf(adapter->dev, "\nCRITICAL: OVER TEMP!! "
+			    "PHY IS SHUT DOWN!!\n");
+			device_printf(adapter->dev, "System shutdown required!\n");
+			IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS);
+		}
+	}
+
+	/* Pluggable optics-related interrupt */
+	if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
+		mod_mask = IXGBE_EICR_GPI_SDP0_X540;
+	else
+		mod_mask = IXGBE_EICR_GPI_SDP2_BY_MAC(hw);
+
+	if (ixgbe_is_sfp(hw)) {
+		if (reg_eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw)) {
+			IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw));
+			taskqueue_enqueue(adapter->tq, &adapter->msf_task);
+		} else if (reg_eicr & mod_mask) {
+			IXGBE_WRITE_REG(hw, IXGBE_EICR, mod_mask);
+			taskqueue_enqueue(adapter->tq, &adapter->mod_task);
 		}
-        } 
+	}
 
 	/* Check for fan failure */
 	if ((hw->device_id == IXGBE_DEV_ID_82598AT) &&
-	    (reg_eicr & IXGBE_EICR_GPI_SDP1_BY_MAC(hw))) {
+	    (reg_eicr & IXGBE_EICR_GPI_SDP1)) {
+		IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1);
                 device_printf(adapter->dev, "\nCRITICAL: FAN FAILURE!! "
 		    "REPLACE IMMEDIATELY!!\n");
-		IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1_BY_MAC(hw));
 	}
 
-	/* Check for over temp condition */
-	switch (hw->mac.type) {
-	case ixgbe_mac_X540:
-	case ixgbe_mac_X550:
-	case ixgbe_mac_X550EM_a:
-		if (reg_eicr & IXGBE_EICR_TS) {
-			device_printf(adapter->dev, "\nCRITICAL: OVER TEMP!! "
-			    "PHY IS SHUT DOWN!!\n");
-			device_printf(adapter->dev, "System shutdown required\n");
-			IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_TS);
-		}
-		break;
-	default:
-		/* Other MACs have no thermal sensor interrupt */
-		break;
+	/* External PHY interrupt */
+	if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T &&
+	    (reg_eicr & IXGBE_EICR_GPI_SDP0_X540)) {
+		IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0_X540);
+		taskqueue_enqueue(adapter->tq, &adapter->phy_task);
 	}
 
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
@@ -1542,20 +1637,26 @@ ixgbe_media_status(struct ifnet * ifp, s
 	if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR)
 		switch (adapter->link_speed) {
 		case IXGBE_LINK_SPEED_10GB_FULL:
-			ifmr->ifm_active |= IFM_10_T | IFM_FDX;
+			ifmr->ifm_active |= IFM_10G_SR | IFM_FDX;
+			break;
+		case IXGBE_LINK_SPEED_2_5GB_FULL:
+			ifmr->ifm_active |= IFM_2500_SX | IFM_FDX;
 			break;
 		case IXGBE_LINK_SPEED_1GB_FULL:
-			ifmr->ifm_active |= IFM_10_5 | IFM_FDX;
+			ifmr->ifm_active |= IFM_1000_CX | IFM_FDX;
 			break;
 		}
-	if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4
+	else if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4
 	    || layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX)
 		switch (adapter->link_speed) {
 		case IXGBE_LINK_SPEED_10GB_FULL:
-			ifmr->ifm_active |= IFM_10_2 | IFM_FDX;
+			ifmr->ifm_active |= IFM_10G_CX4 | IFM_FDX;
+			break;
+		case IXGBE_LINK_SPEED_2_5GB_FULL:
+			ifmr->ifm_active |= IFM_2500_SX | IFM_FDX;
 			break;
 		case IXGBE_LINK_SPEED_1GB_FULL:
-			ifmr->ifm_active |= IFM_10_5 | IFM_FDX;
+			ifmr->ifm_active |= IFM_1000_CX | IFM_FDX;
 			break;
 		}
 	
@@ -1564,10 +1665,12 @@ ixgbe_media_status(struct ifnet * ifp, s
 		ifmr->ifm_active |= IFM_UNKNOWN;
 	
 #if __FreeBSD_version >= 900025
-	/* Flow control setting */
-	if (adapter->fc == ixgbe_fc_rx_pause || adapter->fc == ixgbe_fc_full)
+	/* Display current flow control setting used on link */
+	if (hw->fc.current_mode == ixgbe_fc_rx_pause ||
+	    hw->fc.current_mode == ixgbe_fc_full)
 		ifmr->ifm_active |= IFM_ETH_RXPAUSE;
-	if (adapter->fc == ixgbe_fc_tx_pause || adapter->fc == ixgbe_fc_full)
+	if (hw->fc.current_mode == ixgbe_fc_tx_pause ||
+	    hw->fc.current_mode == ixgbe_fc_full)
 		ifmr->ifm_active |= IFM_ETH_TXPAUSE;
 #endif
 
@@ -1597,21 +1700,22 @@ ixgbe_media_change(struct ifnet * ifp)
 	if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
 		return (EINVAL);
 
+	if (hw->phy.media_type == ixgbe_media_type_backplane)
+		return (EPERM);
+
 	/*
 	** We don't actually need to check against the supported
 	** media types of the adapter; ifmedia will take care of
 	** that for us.
-	** 	NOTE: this relies on falling thru the switch
-	**	to get all the values set, it can be confusing.
 	*/
 	switch (IFM_SUBTYPE(ifm->ifm_media)) {
 		case IFM_AUTO:
 		case IFM_10G_T:
 			speed |= IXGBE_LINK_SPEED_100_FULL;
 		case IFM_10G_LRM:
-		case IFM_10G_SR:  /* KR, too */
+		case IFM_10G_SR: /* KR, too */
 		case IFM_10G_LR:
-		case IFM_10G_CX4: /* KX4 for now */
+		case IFM_10G_CX4: /* KX4 */
 			speed |= IXGBE_LINK_SPEED_1GB_FULL;
 		case IFM_10G_TWINAX:
 			speed |= IXGBE_LINK_SPEED_10GB_FULL;
@@ -1620,7 +1724,7 @@ ixgbe_media_change(struct ifnet * ifp)
 			speed |= IXGBE_LINK_SPEED_100_FULL;
 		case IFM_1000_LX:
 		case IFM_1000_SX:
-		case IFM_1000_CX: /* KX until there's real support */
+		case IFM_1000_CX: /* KX */
 			speed |= IXGBE_LINK_SPEED_1GB_FULL;
 			break;
 		case IFM_100_TX:
@@ -1640,7 +1744,7 @@ ixgbe_media_change(struct ifnet * ifp)
 	return (0);
 
 invalid:
-	device_printf(adapter->dev, "Invalid media type\n");
+	device_printf(adapter->dev, "Invalid media type!\n");
 	return (EINVAL);
 }
 
@@ -1865,7 +1969,6 @@ ixgbe_update_link_status(struct adapter 
 	struct ifnet	*ifp = adapter->ifp;
 	device_t dev = adapter->dev;
 
-
 	if (adapter->link_up){ 
 		if (adapter->link_active == FALSE) {
 			if (bootverbose)
@@ -1875,6 +1978,8 @@ ixgbe_update_link_status(struct adapter 
 			adapter->link_active = TRUE;
 			/* Update any Flow Control changes */
 			ixgbe_fc_enable(&adapter->hw);
+			/* Update DMA coalescing config */
+			ixgbe_config_dmac(adapter);
 			if_link_state_change(ifp, LINK_STATE_UP);
 		}
 	} else { /* Link down */
@@ -1961,7 +2066,7 @@ ixgbe_identify_hardware(struct adapter *
 	/* We need this here to set the num_segs below */
 	ixgbe_set_mac_type(hw);
 
-	/* Pick up the 82599 and VF settings */
+	/* Pick up the 82599 settings */
 	if (hw->mac.type != ixgbe_mac_82598EB) {
 		hw->phy.smart_speed = ixgbe_smart_speed;
 		adapter->num_segs = IXGBE_82599_SCATTER;
@@ -2071,6 +2176,7 @@ ixgbe_allocate_legacy(struct adapter *ad
 	TASK_INIT(&adapter->link_task, 0, ixgbe_handle_link, adapter);
 	TASK_INIT(&adapter->mod_task, 0, ixgbe_handle_mod, adapter);
 	TASK_INIT(&adapter->msf_task, 0, ixgbe_handle_msf, adapter);
+	TASK_INIT(&adapter->phy_task, 0, ixgbe_handle_phy, adapter);
 #ifdef IXGBE_FDIR
 	TASK_INIT(&adapter->fdir_task, 0, ixgbe_reinit_fdir, adapter);
 #endif
@@ -2136,8 +2242,6 @@ ixgbe_allocate_msix(struct adapter *adap
 	}
 #endif
 
-
-
 	for (int i = 0; i < adapter->num_queues; i++, vector++, que++, txr++) {
 		rid = vector + 1;
 		que->res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
@@ -2187,14 +2291,11 @@ ixgbe_allocate_msix(struct adapter *adap
 		    "Bound RSS bucket %d to CPU %d\n",
 		    i, cpu_id);
 #else
-#if 0 // This is too noisy
-		device_printf(dev,
-		    "Bound queue %d to cpu %d\n",
-		    i, cpu_id);
+		if (bootverbose)
+			device_printf(dev,
+			    "Bound queue %d to cpu %d\n",
+			    i, cpu_id);
 #endif
-#endif
-
-
 #ifndef IXGBE_LEGACY_TX
 		TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr);
 #endif
@@ -2240,6 +2341,7 @@ ixgbe_allocate_msix(struct adapter *adap
 	TASK_INIT(&adapter->link_task, 0, ixgbe_handle_link, adapter);
 	TASK_INIT(&adapter->mod_task, 0, ixgbe_handle_mod, adapter);
 	TASK_INIT(&adapter->msf_task, 0, ixgbe_handle_msf, adapter);
+	TASK_INIT(&adapter->phy_task, 0, ixgbe_handle_phy, adapter);
 #ifdef IXGBE_FDIR
 	TASK_INIT(&adapter->fdir_task, 0, ixgbe_reinit_fdir, adapter);
 #endif
@@ -2465,6 +2567,12 @@ ixgbe_setup_interface(device_t dev, stru
 #if __FreeBSD_version >= 1100036
 	if_setgetcounterfn(ifp, ixgbe_get_counter);
 #endif
+#if __FreeBSD_version >= 1100045
+	/* TSO parameters */
+	ifp->if_hw_tsomax = 65518;
+	ifp->if_hw_tsomaxsegcount = IXGBE_82599_SCATTER;
+	ifp->if_hw_tsomaxsegsize = 2048;
+#endif
 #ifndef IXGBE_LEGACY_TX
 	ifp->if_transmit = ixgbe_mq_start;
 	ifp->if_qflush = ixgbe_qflush;
@@ -2548,10 +2656,6 @@ ixgbe_add_media_types(struct adapter *ad
 		ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_CX4, 0, NULL);
 	if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX)
 		ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_SX, 0, NULL);
-#if 0
-	if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_LX)
-		ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_LX, 0, NULL);
-#endif
 
 	/*
 	** Other (no matching FreeBSD media type):
@@ -2560,25 +2664,24 @@ ixgbe_add_media_types(struct adapter *ad
 	*/
 	if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KR) {
 		device_printf(dev, "Media supported: 10GbaseKR\n");
-		device_printf(dev, "10GbaseKR mapped to 10baseT\n");
-		ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_T, 0, NULL);
+		device_printf(dev, "10GbaseKR mapped to 10GbaseSR\n");
+		ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_SR, 0, NULL);
 	}
 	if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_KX4) {
 		device_printf(dev, "Media supported: 10GbaseKX4\n");
-		device_printf(dev, "10GbaseKX4 mapped to 10base2\n");
-		ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_2, 0, NULL);
+		device_printf(dev, "10GbaseKX4 mapped to 10GbaseCX4\n");
+		ifmedia_add(&adapter->media, IFM_ETHER | IFM_10G_CX4, 0, NULL);
 	}
 	if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_KX) {
 		device_printf(dev, "Media supported: 1000baseKX\n");
-		device_printf(dev, "1000baseKX mapped to 10base5\n");
-		ifmedia_add(&adapter->media, IFM_ETHER | IFM_10_5, 0, NULL);
+		device_printf(dev, "1000baseKX mapped to 1000baseCX\n");
+		ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_CX, 0, NULL);
 	}
 	if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_BX) {
 		/* Someday, someone will care about you... */
 		device_printf(dev, "Media supported: 1000baseBX\n");
 	}
 	
-	/* Very old */
 	if (hw->device_id == IXGBE_DEV_ID_82598AT) {
 		ifmedia_add(&adapter->media,
 		    IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL);
@@ -2706,7 +2809,8 @@ ixgbe_initialise_rss_mapping(struct adap
 {
 	struct ixgbe_hw	*hw = &adapter->hw;
 	uint32_t reta;
-	int i, j, queue_id;
+	int i, j, queue_id, table_size;
+	int index_mult;
 	uint32_t rss_key[10];
 	uint32_t mrqc;
 #ifdef	RSS
@@ -2724,8 +2828,23 @@ ixgbe_initialise_rss_mapping(struct adap
 	arc4rand(&rss_key, sizeof(rss_key), 0);
 #endif
 
+	/* Set multiplier for RETA setup and table size based on MAC */
+	index_mult = 0x1;
+	table_size = 128;
+	switch (adapter->hw.mac.type) {
+	case ixgbe_mac_82598EB:
+		index_mult = 0x11;
+		break;
+	case ixgbe_mac_X550:
+	case ixgbe_mac_X550EM_x:
+		table_size = 512;
+		break;
+	default:
+		break;
+	}
+
 	/* Set up the redirection table */
-	for (i = 0, j = 0; i < 128; i++, j++) {
+	for (i = 0, j = 0; i < table_size; i++, j++) {
 		if (j == adapter->num_queues) j = 0;
 #ifdef	RSS
 		/*
@@ -2736,7 +2855,7 @@ ixgbe_initialise_rss_mapping(struct adap
 		queue_id = rss_get_indirection_to_bucket(i);
 		queue_id = queue_id % adapter->num_queues;
 #else
-		queue_id = (j * 0x11);
+		queue_id = (j * index_mult);
 #endif
 		/*
 		 * The low 8 bits are for hash value (n+0);
@@ -2745,7 +2864,10 @@ ixgbe_initialise_rss_mapping(struct adap
 		reta = reta >> 8;
 		reta = reta | ( ((uint32_t) queue_id) << 24);
 		if ((i & 3) == 3) {
-			IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
+			if (i < 128)
+				IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
+			else
+				IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32), reta);
 			reta = 0;
 		}
 	}
@@ -2834,8 +2956,10 @@ ixgbe_initialize_receive_units(struct ad
 	/* Enable broadcasts */
 	fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 	fctrl |= IXGBE_FCTRL_BAM;
-	fctrl |= IXGBE_FCTRL_DPF;
-	fctrl |= IXGBE_FCTRL_PMCF;
+	if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+		fctrl |= IXGBE_FCTRL_DPF;
+		fctrl |= IXGBE_FCTRL_PMCF;
+	}
 	IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
 
 	/* Set for Jumbo Frames? */
@@ -3045,30 +3169,37 @@ ixgbe_enable_intr(struct adapter *adapte
 	mask = (IXGBE_EIMS_ENABLE_MASK & ~IXGBE_EIMS_RTX_QUEUE);
 	/* Enable Fan Failure detection */
 	if (hw->device_id == IXGBE_DEV_ID_82598AT)
-		    mask |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw);
+		    mask |= IXGBE_EIMS_GPI_SDP1;
 
 	switch (adapter->hw.mac.type) {
 		case ixgbe_mac_82599EB:
 			mask |= IXGBE_EIMS_ECC;
 			/* Temperature sensor on some adapters */
-			mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw);
+			mask |= IXGBE_EIMS_GPI_SDP0;
 			/* SFP+ (RX_LOS_N & MOD_ABS_N) */
-			mask |= IXGBE_EIMS_GPI_SDP1_BY_MAC(hw);
-			mask |= IXGBE_EIMS_GPI_SDP2_BY_MAC(hw);
+			mask |= IXGBE_EIMS_GPI_SDP1;
+			mask |= IXGBE_EIMS_GPI_SDP2;
 #ifdef IXGBE_FDIR
 			mask |= IXGBE_EIMS_FLOW_DIR;
 #endif
 			break;
 		case ixgbe_mac_X540:
-		case ixgbe_mac_X550:
-		case ixgbe_mac_X550EM_a:
-		case ixgbe_mac_X550EM_x:
 			/* Detect if Thermal Sensor is enabled */
 			fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM);
 			if (fwsm & IXGBE_FWSM_TS_ENABLED)
 				mask |= IXGBE_EIMS_TS;
-			/* XXX: Which SFP mode line does this look at? */
-			if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
+			mask |= IXGBE_EIMS_ECC;
+#ifdef IXGBE_FDIR
+			mask |= IXGBE_EIMS_FLOW_DIR;
+#endif
+			break;
+		case ixgbe_mac_X550:
+		case ixgbe_mac_X550EM_x:
+			/* MAC thermal sensor is automatically enabled */
+			mask |= IXGBE_EIMS_TS;
+			/* Some devices use SDP0 for important information */
+			if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP ||
+			    hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T)
 				mask |= IXGBE_EIMS_GPI_SDP0_BY_MAC(hw);
 			mask |= IXGBE_EIMS_ECC;
 #ifdef IXGBE_FDIR
@@ -3081,7 +3212,7 @@ ixgbe_enable_intr(struct adapter *adapte
 
 	IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask);
 
-	/* With RSS we use auto clear */
+	/* With MSI-X we use auto clear */
 	if (adapter->msix_mem) {
 		mask = IXGBE_EIMS_ENABLE_MASK;
 		/* Don't autoclear Link */
@@ -3135,10 +3266,12 @@ ixgbe_get_slot_info(struct ixgbe_hw *hw)
 	if (hw->device_id != IXGBE_DEV_ID_82599_SFP_SF_QP) {
 		ixgbe_get_bus_info(hw);
 		/* These devices don't use PCI-E */
-		if (hw->mac.type == ixgbe_mac_X550EM_x
-		    || hw->mac.type == ixgbe_mac_X550EM_a)
+		switch (hw->mac.type) {
+		case ixgbe_mac_X550EM_x:
 			return;
-		goto display;
+		default:
+			goto display;
+		}
 	}
 
 	/*
@@ -3260,7 +3393,6 @@ ixgbe_set_ivar(struct adapter *adapter, 
 	case ixgbe_mac_82599EB:
 	case ixgbe_mac_X540:
 	case ixgbe_mac_X550:
-	case ixgbe_mac_X550EM_a:
 	case ixgbe_mac_X550EM_x:
 		if (type == -1) { /* MISC IVAR */
 			index = (entry & 1) * 8;
@@ -3289,8 +3421,14 @@ ixgbe_configure_ivars(struct adapter *ad
 
 	if (ixgbe_max_interrupt_rate > 0)
 		newitr = (4000000 / ixgbe_max_interrupt_rate) & 0x0FF8;
-	else
+	else {
+		/*
+		** Disable DMA coalescing if interrupt moderation is
+		** disabled.
+		*/
+		adapter->dmac = 0;
 		newitr = 0;
+	}
 
         for (int i = 0; i < adapter->num_queues; i++, que++) {
 		/* First the RX queue entry */
@@ -3350,7 +3488,7 @@ ixgbe_handle_link(void *context, int pen
 
 	ixgbe_check_link(&adapter->hw,
 	    &adapter->link_speed, &adapter->link_up, 0);
-       	ixgbe_update_link_status(adapter);
+	ixgbe_update_link_status(adapter);
 }
 
 /*
@@ -3410,6 +3548,28 @@ ixgbe_handle_msf(void *context, int pend
 	return;
 }
 
+/*
+** Tasklet for handling interrupts from an external PHY
+*/
+static void
+ixgbe_handle_phy(void *context, int pending)
+{
+	struct adapter  *adapter = context;
+	struct ixgbe_hw *hw = &adapter->hw;
+	int error;
+
+	error = hw->phy.ops.handle_lasi(hw);
+	if (error == IXGBE_ERR_OVERTEMP)
+		device_printf(adapter->dev,
+		    "CRITICAL: EXTERNAL PHY OVER TEMP!! "
+		    " PHY will downshift to lower power state!\n");
+	else if (error)
+		device_printf(adapter->dev,
+		    "Error handling LASI interrupt: %d\n",
+		    error);
+	return;
+}
+
 #ifdef IXGBE_FDIR
 /*
 ** Tasklet for reinitializing the Flow Director filter table
@@ -3432,6 +3592,127 @@ ixgbe_reinit_fdir(void *context, int pen
 }
 #endif
 
+/*********************************************************************
+ *
+ *  Configure DMA Coalescing
+ *
+ **********************************************************************/
+static void
+ixgbe_config_dmac(struct adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct ixgbe_dmac_config *dcfg = &hw->mac.dmac_config;
+
+	if (hw->mac.type < ixgbe_mac_X550 ||
+	    !hw->mac.ops.dmac_config)
+		return;
+
+	if (dcfg->watchdog_timer ^ adapter->dmac ||
+	    dcfg->link_speed ^ adapter->link_speed) {
+		dcfg->watchdog_timer = adapter->dmac;
+		dcfg->fcoe_en = false;
+		dcfg->link_speed = adapter->link_speed;
+		dcfg->num_tcs = 1;
+		
+		INIT_DEBUGOUT2("dmac settings: watchdog %d, link speed %d\n",
+		    dcfg->watchdog_timer, dcfg->link_speed);
+
+		hw->mac.ops.dmac_config(hw);
+	}
+}
+
+/*
+ * Checks whether the adapter supports Energy Efficient Ethernet
+ * or not, based on device ID.
+ */
+static void
+ixgbe_check_eee_support(struct adapter *adapter)

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***



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