1 files changed, 439 insertions, 26 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 2e38e8f6fac1..481f917f7ed2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 1999 - 2018 Intel Corporation. */
+/* Copyright(c) 1999 - 2024 Intel Corporation. */
 
 #include <linux/types.h>
 #include <linux/module.h>
@@ -42,6 +42,7 @@
 
 #include "ixgbe.h"
 #include "ixgbe_common.h"
+#include "ixgbe_e610.h"
 #include "ixgbe_dcb_82599.h"
 #include "ixgbe_mbx.h"
 #include "ixgbe_phy.h"
@@ -73,6 +74,7 @@ static const struct ixgbe_info *ixgbe_info_tbl[] = {
 	[board_x550em_x_fw]	= &ixgbe_x550em_x_fw_info,
 	[board_x550em_a]	= &ixgbe_x550em_a_info,
 	[board_x550em_a_fw]	= &ixgbe_x550em_a_fw_info,
+	[board_e610]		= &ixgbe_e610_info,
 };
 
 /* ixgbe_pci_tbl - PCI Device ID Table
@@ -131,6 +133,11 @@ static const struct pci_device_id ixgbe_pci_tbl[] = {
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SFP), board_x550em_a },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_1G_T), board_x550em_a_fw },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_1G_T_L), board_x550em_a_fw },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_E610_BACKPLANE), board_e610},
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_E610_SFP), board_e610},
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_E610_10G_T), board_e610},
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_E610_2_5G_T), board_e610},
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_E610_SGMII), board_e610},
 	/* required last entry */
 	{0, }
 };
@@ -173,6 +180,8 @@ static struct workqueue_struct *ixgbe_wq;
 
 static bool ixgbe_check_cfg_remove(struct ixgbe_hw *hw, struct pci_dev *pdev);
 static void ixgbe_watchdog_link_is_down(struct ixgbe_adapter *);
+static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *);
+static void ixgbe_watchdog_update_link(struct ixgbe_adapter *);
 
 static const struct net_device_ops ixgbe_netdev_ops;
 
@@ -236,8 +245,11 @@ static int ixgbe_get_parent_bus_info(struct ixgbe_adapter *adapter)
  * bandwidth details should be gathered from the parent bus instead of from the
  * device. Used to ensure that various locations all have the correct device ID
  * checks.
+ *
+ * Return: true if information should be collected from the parent bus, false
+ *         otherwise
  */
-static inline bool ixgbe_pcie_from_parent(struct ixgbe_hw *hw)
+static bool ixgbe_pcie_from_parent(struct ixgbe_hw *hw)
 {
 	switch (hw->device_id) {
 	case IXGBE_DEV_ID_82599_SFP_SF_QP:
@@ -876,6 +888,7 @@ static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, s8 direction,
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		if (direction == -1) {
 			/* other causes */
 			msix_vector |= IXGBE_IVAR_ALLOC_VAL;
@@ -915,6 +928,7 @@ void ixgbe_irq_rearm_queues(struct ixgbe_adapter *adapter,
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		mask = (qmask & 0xFFFFFFFF);
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask);
 		mask = (qmask >> 32);
@@ -1025,7 +1039,7 @@ static u64 ixgbe_get_tx_pending(struct ixgbe_ring *ring)
 	return ((head <= tail) ? tail : tail + ring->count) - head;
 }
 
-static inline bool ixgbe_check_tx_hang(struct ixgbe_ring *tx_ring)
+static bool ixgbe_check_tx_hang(struct ixgbe_ring *tx_ring)
 {
 	u32 tx_done = ixgbe_get_tx_completed(tx_ring);
 	u32 tx_done_old = tx_ring->tx_stats.tx_done_old;
@@ -1909,10 +1923,6 @@ bool ixgbe_cleanup_headers(struct ixgbe_ring *rx_ring,
 {
 	struct net_device *netdev = rx_ring->netdev;
 
-	/* XDP packets use error pointer so abort at this point */
-	if (IS_ERR(skb))
-		return true;
-
 	/* Verify netdev is present, and that packet does not have any
 	 * errors that would be unacceptable to the netdev.
 	 */
@@ -2095,7 +2105,7 @@ static void ixgbe_put_rx_buffer(struct ixgbe_ring *rx_ring,
 		/* hand second half of page back to the ring */
 		ixgbe_reuse_rx_page(rx_ring, rx_buffer);
 	} else {
-		if (!IS_ERR(skb) && IXGBE_CB(skb)->dma == rx_buffer->dma) {
+		if (skb && IXGBE_CB(skb)->dma == rx_buffer->dma) {
 			/* the page has been released from the ring */
 			IXGBE_CB(skb)->page_released = true;
 		} else {
@@ -2220,9 +2230,9 @@ static struct sk_buff *ixgbe_build_skb(struct ixgbe_ring *rx_ring,
 	return skb;
 }
 
-static struct sk_buff *ixgbe_run_xdp(struct ixgbe_adapter *adapter,
-				     struct ixgbe_ring *rx_ring,
-				     struct xdp_buff *xdp)
+static int ixgbe_run_xdp(struct ixgbe_adapter *adapter,
+			 struct ixgbe_ring *rx_ring,
+			 struct xdp_buff *xdp)
 {
 	int err, result = IXGBE_XDP_PASS;
 	struct bpf_prog *xdp_prog;
@@ -2272,7 +2282,7 @@ out_failure:
 		break;
 	}
 xdp_out:
-	return ERR_PTR(-result);
+	return result;
 }
 
 static unsigned int ixgbe_rx_frame_truesize(struct ixgbe_ring *rx_ring,
@@ -2330,6 +2340,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 	unsigned int offset = rx_ring->rx_offset;
 	unsigned int xdp_xmit = 0;
 	struct xdp_buff xdp;
+	int xdp_res = 0;
 
 	/* Frame size depend on rx_ring setup when PAGE_SIZE=4K */
 #if (PAGE_SIZE < 8192)
@@ -2375,12 +2386,10 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			/* At larger PAGE_SIZE, frame_sz depend on len size */
 			xdp.frame_sz = ixgbe_rx_frame_truesize(rx_ring, size);
 #endif
-			skb = ixgbe_run_xdp(adapter, rx_ring, &xdp);
+			xdp_res = ixgbe_run_xdp(adapter, rx_ring, &xdp);
 		}
 
-		if (IS_ERR(skb)) {
-			unsigned int xdp_res = -PTR_ERR(skb);
-
+		if (xdp_res) {
 			if (xdp_res & (IXGBE_XDP_TX | IXGBE_XDP_REDIR)) {
 				xdp_xmit |= xdp_res;
 				ixgbe_rx_buffer_flip(rx_ring, rx_buffer, size);
@@ -2400,7 +2409,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		}
 
 		/* exit if we failed to retrieve a buffer */
-		if (!skb) {
+		if (!xdp_res && !skb) {
 			rx_ring->rx_stats.alloc_rx_buff_failed++;
 			rx_buffer->pagecnt_bias++;
 			break;
@@ -2414,7 +2423,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			continue;
 
 		/* verify the packet layout is correct */
-		if (ixgbe_cleanup_headers(rx_ring, rx_desc, skb))
+		if (xdp_res || ixgbe_cleanup_headers(rx_ring, rx_desc, skb))
 			continue;
 
 		/* probably a little skewed due to removing CRC */
@@ -2515,6 +2524,7 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		ixgbe_set_ivar(adapter, -1, 1, v_idx);
 		break;
 	default:
@@ -2528,6 +2538,9 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 		  IXGBE_EIMS_MAILBOX |
 		  IXGBE_EIMS_LSC);
 
+	if (adapter->hw.mac.type == ixgbe_mac_e610)
+		mask &= ~IXGBE_EIMS_FW_EVENT;
+
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, mask);
 }
 
@@ -2744,6 +2757,7 @@ void ixgbe_write_eitr(struct ixgbe_q_vector *q_vector)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		/*
 		 * set the WDIS bit to not clear the timer bits and cause an
 		 * immediate assertion of the interrupt
@@ -2966,6 +2980,222 @@ static void ixgbe_check_lsc(struct ixgbe_adapter *adapter)
 	}
 }
 
+/**
+ * ixgbe_check_phy_fw_load - check if PHY FW load failed
+ * @adapter: pointer to adapter structure
+ * @link_cfg_err: bitmap from the link info structure
+ *
+ * Check if external PHY FW load failed and print an error message if it did.
+ */
+static void ixgbe_check_phy_fw_load(struct ixgbe_adapter *adapter,
+				    u8 link_cfg_err)
+{
+	if (!(link_cfg_err & IXGBE_ACI_LINK_EXTERNAL_PHY_LOAD_FAILURE)) {
+		adapter->flags2 &= ~IXGBE_FLAG2_PHY_FW_LOAD_FAILED;
+		return;
+	}
+
+	if (adapter->flags2 & IXGBE_FLAG2_PHY_FW_LOAD_FAILED)
+		return;
+
+	if (link_cfg_err & IXGBE_ACI_LINK_EXTERNAL_PHY_LOAD_FAILURE) {
+		netdev_err(adapter->netdev, "Device failed to load the FW for the external PHY. Please download and install the latest NVM for your device and try again\n");
+		adapter->flags2 |= IXGBE_FLAG2_PHY_FW_LOAD_FAILED;
+	}
+}
+
+/**
+ * ixgbe_check_module_power - check module power level
+ * @adapter: pointer to adapter structure
+ * @link_cfg_err: bitmap from the link info structure
+ *
+ * Check module power level returned by a previous call to aci_get_link_info
+ * and print error messages if module power level is not supported.
+ */
+static void ixgbe_check_module_power(struct ixgbe_adapter *adapter,
+				     u8 link_cfg_err)
+{
+	/* If module power level is supported, clear the flag. */
+	if (!(link_cfg_err & (IXGBE_ACI_LINK_INVAL_MAX_POWER_LIMIT |
+			      IXGBE_ACI_LINK_MODULE_POWER_UNSUPPORTED))) {
+		adapter->flags2 &= ~IXGBE_FLAG2_MOD_POWER_UNSUPPORTED;
+		return;
+	}
+
+	/* If IXGBE_FLAG2_MOD_POWER_UNSUPPORTED was previously set and the
+	 * above block didn't clear this bit, there's nothing to do.
+	 */
+	if (adapter->flags2 & IXGBE_FLAG2_MOD_POWER_UNSUPPORTED)
+		return;
+
+	if (link_cfg_err & IXGBE_ACI_LINK_INVAL_MAX_POWER_LIMIT) {
+		netdev_err(adapter->netdev, "The installed module is incompatible with the device's NVM image. Cannot start link.\n");
+		adapter->flags2 |= IXGBE_FLAG2_MOD_POWER_UNSUPPORTED;
+	} else if (link_cfg_err & IXGBE_ACI_LINK_MODULE_POWER_UNSUPPORTED) {
+		netdev_err(adapter->netdev, "The module's power requirements exceed the device's power supply. Cannot start link.\n");
+		adapter->flags2 |= IXGBE_FLAG2_MOD_POWER_UNSUPPORTED;
+	}
+}
+
+/**
+ * ixgbe_check_link_cfg_err - check if link configuration failed
+ * @adapter: pointer to adapter structure
+ * @link_cfg_err: bitmap from the link info structure
+ *
+ * Print if any link configuration failure happens due to the value in the
+ * link_cfg_err parameter in the link info structure.
+ */
+static void ixgbe_check_link_cfg_err(struct ixgbe_adapter *adapter,
+				     u8 link_cfg_err)
+{
+	ixgbe_check_module_power(adapter, link_cfg_err);
+	ixgbe_check_phy_fw_load(adapter, link_cfg_err);
+}
+
+/**
+ * ixgbe_process_link_status_event - process the link event
+ * @adapter: pointer to adapter structure
+ * @link_up: true if the physical link is up and false if it is down
+ * @link_speed: current link speed received from the link event
+ *
+ * Return: 0 on success or negative value on failure.
+ */
+static int
+ixgbe_process_link_status_event(struct ixgbe_adapter *adapter, bool link_up,
+				u16 link_speed)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	int status;
+
+	/* Update the link info structures and re-enable link events,
+	 * don't bail on failure due to other book keeping needed.
+	 */
+	status = ixgbe_update_link_info(hw);
+	if (status)
+		e_dev_err("Failed to update link status, err %d aq_err %d\n",
+			  status, hw->aci.last_status);
+
+	ixgbe_check_link_cfg_err(adapter, hw->link.link_info.link_cfg_err);
+
+	/* Check if the link state is up after updating link info, and treat
+	 * this event as an UP event since the link is actually UP now.
+	 */
+	if (hw->link.link_info.link_info & IXGBE_ACI_LINK_UP)
+		link_up = true;
+
+	/* Turn off PHY if media was removed. */
+	if (!(adapter->flags2 & IXGBE_FLAG2_NO_MEDIA) &&
+	    !(hw->link.link_info.link_info & IXGBE_ACI_MEDIA_AVAILABLE))
+		adapter->flags2 |= IXGBE_FLAG2_NO_MEDIA;
+
+	if (link_up == adapter->link_up &&
+	    link_up == netif_carrier_ok(adapter->netdev) &&
+	    link_speed == adapter->link_speed)
+		return 0;
+
+	adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
+	adapter->link_check_timeout = jiffies;
+	ixgbe_watchdog_update_link(adapter);
+
+	if (link_up)
+		ixgbe_watchdog_link_is_up(adapter);
+	else
+		ixgbe_watchdog_link_is_down(adapter);
+
+	return 0;
+}
+
+/**
+ * ixgbe_handle_link_status_event - handle link status event via ACI
+ * @adapter: pointer to adapter structure
+ * @e: event structure containing link status info
+ */
+static void
+ixgbe_handle_link_status_event(struct ixgbe_adapter *adapter,
+			       struct ixgbe_aci_event *e)
+{
+	struct ixgbe_aci_cmd_get_link_status_data *link_data;
+	u16 link_speed;
+	bool link_up;
+
+	link_data = (struct ixgbe_aci_cmd_get_link_status_data *)e->msg_buf;
+
+	link_up = !!(link_data->link_info & IXGBE_ACI_LINK_UP);
+	link_speed = le16_to_cpu(link_data->link_speed);
+
+	if (ixgbe_process_link_status_event(adapter, link_up, link_speed))
+		e_dev_warn("Could not process link status event");
+}
+
+/**
+ * ixgbe_schedule_fw_event - schedule Firmware event
+ * @adapter: pointer to the adapter structure
+ *
+ * If the adapter is not in down, removing or resetting state,
+ * an event is scheduled.
+ */
+static void ixgbe_schedule_fw_event(struct ixgbe_adapter *adapter)
+{
+	if (!test_bit(__IXGBE_DOWN, &adapter->state) &&
+	    !test_bit(__IXGBE_REMOVING, &adapter->state) &&
+	    !test_bit(__IXGBE_RESETTING, &adapter->state)) {
+		adapter->flags2 |= IXGBE_FLAG2_FW_ASYNC_EVENT;
+		ixgbe_service_event_schedule(adapter);
+	}
+}
+
+/**
+ * ixgbe_aci_event_cleanup - release msg_buf memory
+ * @event: pointer to the event holding msg_buf to be released
+ *
+ * Clean memory allocated for event's msg_buf. Implements auto memory cleanup.
+ */
+static void ixgbe_aci_event_cleanup(struct ixgbe_aci_event *event)
+{
+	kfree(event->msg_buf);
+}
+
+/**
+ * ixgbe_handle_fw_event - handle Firmware event
+ * @adapter: pointer to the adapter structure
+ *
+ * Obtain an event from the ACI and then and then process it according to the
+ * type of the event and the opcode.
+ */
+static void ixgbe_handle_fw_event(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_aci_event event __cleanup(ixgbe_aci_event_cleanup);
+	struct ixgbe_hw *hw = &adapter->hw;
+	bool pending = false;
+	int err;
+
+	if (adapter->flags2 & IXGBE_FLAG2_FW_ASYNC_EVENT)
+		adapter->flags2 &= ~IXGBE_FLAG2_FW_ASYNC_EVENT;
+	event.buf_len = IXGBE_ACI_MAX_BUFFER_SIZE;
+	event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL);
+	if (!event.msg_buf)
+		return;
+
+	do {
+		err = ixgbe_aci_get_event(hw, &event, &pending);
+		if (err)
+			break;
+
+		switch (le16_to_cpu(event.desc.opcode)) {
+		case ixgbe_aci_opc_get_link_status:
+			ixgbe_handle_link_status_event(adapter, &event);
+			break;
+		case ixgbe_aci_opc_temp_tca_event:
+			e_crit(drv, "%s\n", ixgbe_overheat_msg);
+			ixgbe_down(adapter);
+			break;
+		default:
+			e_warn(hw, "unknown FW async event captured\n");
+			break;
+		}
+	} while (pending);
+}
+
 static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
 					   u64 qmask)
 {
@@ -2982,6 +3212,7 @@ static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		mask = (qmask & 0xFFFFFFFF);
 		if (mask)
 			IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask);
@@ -3035,6 +3266,9 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter, bool queues,
 	case ixgbe_mac_X540:
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
+	case ixgbe_mac_e610:
+		mask |= IXGBE_EIMS_FW_EVENT;
+		fallthrough;
 	case ixgbe_mac_x550em_a:
 		if (adapter->hw.device_id == IXGBE_DEV_ID_X550EM_X_SFP ||
 		    adapter->hw.device_id == IXGBE_DEV_ID_X550EM_A_SFP ||
@@ -3091,12 +3325,16 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data)
 	if (eicr & IXGBE_EICR_MAILBOX)
 		ixgbe_msg_task(adapter);
 
+	if (eicr & IXGBE_EICR_FW_EVENT)
+		ixgbe_schedule_fw_event(adapter);
+
 	switch (hw->mac.type) {
 	case ixgbe_mac_82599EB:
 	case ixgbe_mac_X540:
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		if (hw->phy.type == ixgbe_phy_x550em_ext_t &&
 		    (eicr & IXGBE_EICR_GPI_SDP0_X540)) {
 			adapter->flags2 |= IXGBE_FLAG2_PHY_INTERRUPT;
@@ -3334,6 +3572,9 @@ static irqreturn_t ixgbe_intr(int irq, void *data)
 	if (eicr & IXGBE_EICR_LSC)
 		ixgbe_check_lsc(adapter);
 
+	if (eicr & IXGBE_EICR_FW_EVENT)
+		ixgbe_schedule_fw_event(adapter);
+
 	switch (hw->mac.type) {
 	case ixgbe_mac_82599EB:
 		ixgbe_check_sfp_event(adapter, eicr);
@@ -3342,6 +3583,7 @@ static irqreturn_t ixgbe_intr(int irq, void *data)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		if (eicr & IXGBE_EICR_ECC) {
 			e_info(link, "Received ECC Err, initiating reset\n");
 			set_bit(__IXGBE_RESET_REQUESTED, &adapter->state);
@@ -3442,6 +3684,7 @@ static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		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);
@@ -4359,6 +4602,7 @@ static void ixgbe_setup_rdrxctl(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		if (adapter->num_vfs)
 			rdrxctl |= IXGBE_RDRXCTL_PSP;
 		fallthrough;
@@ -4526,6 +4770,7 @@ static void ixgbe_vlan_strip_disable(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			struct ixgbe_ring *ring = adapter->rx_ring[i];
 
@@ -4564,6 +4809,7 @@ static void ixgbe_vlan_strip_enable(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			struct ixgbe_ring *ring = adapter->rx_ring[i];
 
@@ -5148,6 +5394,7 @@ static int ixgbe_hpbthresh(struct ixgbe_adapter *adapter, int pb)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		dv_id = IXGBE_DV_X540(link, tc);
 		break;
 	default:
@@ -5208,6 +5455,7 @@ static int ixgbe_lpbthresh(struct ixgbe_adapter *adapter, int pb)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		dv_id = IXGBE_LOW_DV_X540(tc);
 		break;
 	default:
@@ -5510,6 +5758,48 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 }
 
 /**
+ * ixgbe_enable_link_status_events - enable link status events
+ * @adapter: pointer to the adapter structure
+ * @mask: event mask to be set
+ *
+ * Enables link status events by invoking ixgbe_configure_lse()
+ *
+ * Return: the exit code of the operation.
+ */
+static int ixgbe_enable_link_status_events(struct ixgbe_adapter *adapter,
+					   u16 mask)
+{
+	int err;
+
+	err = ixgbe_configure_lse(&adapter->hw, true, mask);
+	if (err)
+		return err;
+
+	adapter->lse_mask = mask;
+	return 0;
+}
+
+/**
+ * ixgbe_disable_link_status_events - disable link status events
+ * @adapter: pointer to the adapter structure
+ *
+ * Disables link status events by invoking ixgbe_configure_lse()
+ *
+ * Return: the exit code of the operation.
+ */
+static int ixgbe_disable_link_status_events(struct ixgbe_adapter *adapter)
+{
+	int err;
+
+	err = ixgbe_configure_lse(&adapter->hw, false, adapter->lse_mask);
+	if (err)
+		return err;
+
+	adapter->lse_mask = 0;
+	return 0;
+}
+
+/**
  * ixgbe_sfp_link_config - set up SFP+ link
  * @adapter: pointer to private adapter struct
  **/
@@ -5532,13 +5822,21 @@ static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter)
  * ixgbe_non_sfp_link_config - set up non-SFP+ link
  * @hw: pointer to private hardware struct
  *
- * Returns 0 on success, negative on failure
+ * Configure non-SFP link.
+ *
+ * Return: 0 on success, negative on failure
  **/
 static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
 {
-	u32 speed;
+	struct ixgbe_adapter *adapter = container_of(hw, struct ixgbe_adapter,
+						     hw);
+	u16 mask = ~((u16)(IXGBE_ACI_LINK_EVENT_UPDOWN |
+			   IXGBE_ACI_LINK_EVENT_MEDIA_NA |
+			   IXGBE_ACI_LINK_EVENT_MODULE_QUAL_FAIL |
+			   IXGBE_ACI_LINK_EVENT_PHY_FW_LOAD_FAIL));
 	bool autoneg, link_up = false;
 	int ret = -EIO;
+	u32 speed;
 
 	if (hw->mac.ops.check_link)
 		ret = hw->mac.ops.check_link(hw, &speed, &link_up, false);
@@ -5561,13 +5859,53 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
 	if (ret)
 		return ret;
 
-	if (hw->mac.ops.setup_link)
+	if (hw->mac.ops.setup_link) {
+		if (adapter->hw.mac.type == ixgbe_mac_e610) {
+			ret = ixgbe_enable_link_status_events(adapter, mask);
+			if (ret)
+				return ret;
+		}
 		ret = hw->mac.ops.setup_link(hw, speed, link_up);
+	}
 
 	return ret;
 }
 
 /**
+ * ixgbe_check_media_subtask - check for media
+ * @adapter: pointer to adapter structure
+ *
+ * If media is available then initialize PHY user configuration. Configure the
+ * PHY if the interface is up.
+ */
+static void ixgbe_check_media_subtask(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+
+	/* No need to check for media if it's already present */
+	if (!(adapter->flags2 & IXGBE_FLAG2_NO_MEDIA))
+		return;
+
+	/* Refresh link info and check if media is present */
+	if (ixgbe_update_link_info(hw))
+		return;
+
+	ixgbe_check_link_cfg_err(adapter, hw->link.link_info.link_cfg_err);
+
+	if (hw->link.link_info.link_info & IXGBE_ACI_MEDIA_AVAILABLE) {
+		/* PHY settings are reset on media insertion, reconfigure
+		 * PHY to preserve settings.
+		 */
+		if (!(ixgbe_non_sfp_link_config(&adapter->hw)))
+			adapter->flags2 &= ~IXGBE_FLAG2_NO_MEDIA;
+
+		/* A Link Status Event will be generated; the event handler
+		 * will complete bringing the interface up
+		 */
+	}
+}
+
+/**
  * ixgbe_clear_vf_stats_counters - Clear out VF stats after reset
  * @adapter: board private structure
  *
@@ -5630,6 +5968,7 @@ static void ixgbe_setup_gpie(struct ixgbe_adapter *adapter)
 		case ixgbe_mac_X550:
 		case ixgbe_mac_X550EM_x:
 		case ixgbe_mac_x550em_a:
+		case ixgbe_mac_e610:
 		default:
 			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF);
 			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF);
@@ -5980,6 +6319,7 @@ dma_engine_disable:
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL,
 				(IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
 				 ~IXGBE_DMATXCTL_TE));
@@ -6224,6 +6564,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 
 	ixgbe_clean_all_tx_rings(adapter);
 	ixgbe_clean_all_rx_rings(adapter);
+	if (adapter->hw.mac.type == ixgbe_mac_e610)
+		ixgbe_disable_link_status_events(adapter);
 }
 
 /**
@@ -6279,6 +6621,7 @@ static void ixgbe_init_dcb(struct ixgbe_adapter *adapter)
 		break;
 	case ixgbe_mac_X540:
 	case ixgbe_mac_X550:
+	case ixgbe_mac_e610:
 		adapter->dcb_cfg.num_tcs.pg_tcs = X540_TRAFFIC_CLASS;
 		adapter->dcb_cfg.num_tcs.pfc_tcs = X540_TRAFFIC_CLASS;
 		break;
@@ -6342,6 +6685,8 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter,
 	hw->subsystem_vendor_id = pdev->subsystem_vendor;
 	hw->subsystem_device_id = pdev->subsystem_device;
 
+	hw->mac.max_link_up_time = IXGBE_LINK_UP_TIME;
+
 	/* get_invariants needs the device IDs */
 	ii->get_invariants(hw);
 
@@ -6909,6 +7254,19 @@ int ixgbe_open(struct net_device *netdev)
 	ixgbe_up_complete(adapter);
 
 	udp_tunnel_nic_reset_ntf(netdev);
+	if (adapter->hw.mac.type == ixgbe_mac_e610) {
+		int err = ixgbe_update_link_info(&adapter->hw);
+
+		if (err)
+			e_dev_err("Failed to update link info, err %d.\n", err);
+
+		ixgbe_check_link_cfg_err(adapter,
+					 adapter->hw.link.link_info.link_cfg_err);
+
+		err = ixgbe_non_sfp_link_config(&adapter->hw);
+		if (ixgbe_non_sfp_link_config(&adapter->hw))
+			e_dev_err("Link setup failed, err %d.\n", err);
+	}
 
 	return 0;
 
@@ -7062,6 +7420,7 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		pci_wake_from_d3(pdev, !!wufc);
 		break;
 	default:
@@ -7209,6 +7568,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 		case ixgbe_mac_X550:
 		case ixgbe_mac_X550EM_x:
 		case ixgbe_mac_x550em_a:
+		case ixgbe_mac_e610:
 			hwstats->pxonrxc[i] +=
 				IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
 			break;
@@ -7221,11 +7581,12 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 	for (i = 0; i < 16; i++) {
 		hwstats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
 		hwstats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
-		if ((hw->mac.type == ixgbe_mac_82599EB) ||
-		    (hw->mac.type == ixgbe_mac_X540) ||
-		    (hw->mac.type == ixgbe_mac_X550) ||
-		    (hw->mac.type == ixgbe_mac_X550EM_x) ||
-		    (hw->mac.type == ixgbe_mac_x550em_a)) {
+		if (hw->mac.type == ixgbe_mac_82599EB ||
+		    hw->mac.type == ixgbe_mac_X540 ||
+		    hw->mac.type == ixgbe_mac_X550 ||
+		    hw->mac.type == ixgbe_mac_X550EM_x ||
+		    hw->mac.type == ixgbe_mac_x550em_a ||
+		    hw->mac.type == ixgbe_mac_e610) {
 			hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
 			IXGBE_READ_REG(hw, IXGBE_QBTC_H(i)); /* to clear */
 			hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC_L(i));
@@ -7251,6 +7612,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		/* OS2BMC stats are X540 and later */
 		hwstats->o2bgptc += IXGBE_READ_REG(hw, IXGBE_O2BGPTC);
 		hwstats->o2bspc += IXGBE_READ_REG(hw, IXGBE_O2BSPC);
@@ -7551,6 +7913,7 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 	case ixgbe_mac_82599EB: {
 		u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
 		u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
@@ -8052,6 +8415,11 @@ static void ixgbe_service_task(struct work_struct *work)
 		ixgbe_service_event_complete(adapter);
 		return;
 	}
+	if (adapter->hw.mac.type == ixgbe_mac_e610) {
+		if (adapter->flags2 & IXGBE_FLAG2_FW_ASYNC_EVENT)
+			ixgbe_handle_fw_event(adapter);
+		ixgbe_check_media_subtask(adapter);
+	}
 	ixgbe_reset_subtask(adapter);
 	ixgbe_phy_interrupt_subtask(adapter);
 	ixgbe_sfp_detection_subtask(adapter);
@@ -10771,6 +11139,24 @@ bool ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
 }
 
 /**
+ * ixgbe_set_fw_version_e610 - Set FW version specifically on E610 adapters
+ * @adapter: the adapter private structure
+ *
+ * This function is used by probe and ethtool to determine the FW version to
+ * format to display. The FW version is taken from the EEPROM/NVM.
+ *
+ */
+static void ixgbe_set_fw_version_e610(struct ixgbe_adapter *adapter)
+{
+	struct ixgbe_orom_info *orom = &adapter->hw.flash.orom;
+	struct ixgbe_nvm_info *nvm = &adapter->hw.flash.nvm;
+
+	snprintf(adapter->eeprom_id, sizeof(adapter->eeprom_id),
+		 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
+		 nvm->eetrack, orom->major, orom->build, orom->patch);
+}
+
+/**
  * ixgbe_set_fw_version - Set FW version
  * @adapter: the adapter private structure
  *
@@ -10782,6 +11168,11 @@ static void ixgbe_set_fw_version(struct ixgbe_adapter *adapter)
 	struct ixgbe_hw *hw = &adapter->hw;
 	struct ixgbe_nvm_version nvm_ver;
 
+	if (adapter->hw.mac.type == ixgbe_mac_e610) {
+		ixgbe_set_fw_version_e610(adapter);
+		return;
+	}
+
 	ixgbe_get_oem_prod_version(hw, &nvm_ver);
 	if (nvm_ver.oem_valid) {
 		snprintf(adapter->eeprom_id, sizeof(adapter->eeprom_id),
@@ -10868,6 +11259,8 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 #else
 		indices = IXGBE_MAX_RSS_INDICES;
 #endif
+	} else if (ii->mac == ixgbe_mac_e610) {
+		indices = IXGBE_MAX_RSS_INDICES_X550;
 	}
 
 	netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices);
@@ -10933,12 +11326,19 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (err)
 		goto err_sw_init;
 
+	if (adapter->hw.mac.type == ixgbe_mac_e610) {
+		err = ixgbe_get_caps(&adapter->hw);
+		if (err)
+			dev_err(&pdev->dev, "ixgbe_get_caps failed %d\n", err);
+	}
+
 	if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 		adapter->flags2 |= IXGBE_FLAG2_AUTO_DISABLE_VF;
 
 	switch (adapter->hw.mac.type) {
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
+	case ixgbe_mac_e610:
 		netdev->udp_tunnel_nic_info = &ixgbe_udp_tunnels_x550;
 		break;
 	case ixgbe_mac_x550em_a:
@@ -10959,6 +11359,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
 		break;
 	default:
@@ -11130,6 +11531,8 @@ skip_sriov:
 	ether_addr_copy(hw->mac.addr, hw->mac.perm_addr);
 	ixgbe_mac_set_default_filter(adapter);
 
+	if (hw->mac.type == ixgbe_mac_e610)
+		mutex_init(&hw->aci.lock);
 	timer_setup(&adapter->service_timer, ixgbe_service_timer, 0);
 
 	if (ixgbe_removed(hw->hw_addr)) {
@@ -11275,6 +11678,8 @@ err_netdev:
 err_register:
 	ixgbe_release_hw_control(adapter);
 	ixgbe_clear_interrupt_scheme(adapter);
+	if (hw->mac.type == ixgbe_mac_e610)
+		mutex_destroy(&adapter->hw.aci.lock);
 err_sw_init:
 	ixgbe_disable_sriov(adapter);
 	adapter->flags2 &= ~IXGBE_FLAG2_SEARCH_FOR_SFP;
@@ -11321,6 +11726,11 @@ static void ixgbe_remove(struct pci_dev *pdev)
 	set_bit(__IXGBE_REMOVING, &adapter->state);
 	cancel_work_sync(&adapter->service_task);
 
+	if (adapter->hw.mac.type == ixgbe_mac_e610) {
+		ixgbe_disable_link_status_events(adapter);
+		mutex_destroy(&adapter->hw.aci.lock);
+	}
+
 	if (adapter->mii_bus)
 		mdiobus_unregister(adapter->mii_bus);
 
@@ -11452,6 +11862,9 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev,
 		case ixgbe_mac_x550em_a:
 			device_id = IXGBE_DEV_ID_X550EM_A_VF;
 			break;
+		case ixgbe_mac_e610:
+			device_id = IXGBE_DEV_ID_E610_VF;
+			break;
 		default:
 			device_id = 0;
 			break;