diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 559b443..3b2bba6e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright(c) 1999 - 2018 Intel Corporation. */
+/* Copyright(c) 1999 - 2024 Intel Corporation. */
 
 #ifndef _IXGBE_H_
 #define _IXGBE_H_
@@ -20,6 +20,7 @@
 #include "ixgbe_type.h"
 #include "ixgbe_common.h"
 #include "ixgbe_dcb.h"
+#include "ixgbe_e610.h"
 #if IS_ENABLED(CONFIG_FCOE)
 #define IXGBE_FCOE
 #include "ixgbe_fcoe.h"
@@ -173,6 +174,7 @@ enum ixgbe_tx_flags {
 #define VMDQ_P(p)   ((p) + adapter->ring_feature[RING_F_VMDQ].offset)
 #define IXGBE_82599_VF_DEVICE_ID        0x10ED
 #define IXGBE_X540_VF_DEVICE_ID         0x1515
+#define IXGBE_E610_VF_DEVICE_ID		0x57AD
 
 #define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter)	\
 	{							\
@@ -654,6 +656,7 @@ struct ixgbe_adapter {
 #define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP		BIT(9)
 #define IXGBE_FLAG2_PTP_PPS_ENABLED		BIT(10)
 #define IXGBE_FLAG2_PHY_INTERRUPT		BIT(11)
+#define IXGBE_FLAG2_FW_ASYNC_EVENT		BIT(12)
 #define IXGBE_FLAG2_VLAN_PROMISC		BIT(13)
 #define IXGBE_FLAG2_EEE_CAPABLE			BIT(14)
 #define IXGBE_FLAG2_EEE_ENABLED			BIT(15)
@@ -661,7 +664,9 @@ struct ixgbe_adapter {
 #define IXGBE_FLAG2_IPSEC_ENABLED		BIT(17)
 #define IXGBE_FLAG2_VF_IPSEC_ENABLED		BIT(18)
 #define IXGBE_FLAG2_AUTO_DISABLE_VF		BIT(19)
-
+#define IXGBE_FLAG2_PHY_FW_LOAD_FAILED		BIT(20)
+#define IXGBE_FLAG2_NO_MEDIA			BIT(21)
+#define IXGBE_FLAG2_MOD_POWER_UNSUPPORTED	BIT(22)
 	/* Tx fast path data */
 	int num_tx_queues;
 	u16 tx_itr_setting;
@@ -793,6 +798,7 @@ struct ixgbe_adapter {
 	u32 vferr_refcount;
 	struct ixgbe_mac_addr *mac_table;
 	struct kobject *info_kobj;
+	u16 lse_mask;
 #ifdef CONFIG_IXGBE_HWMON
 	struct hwmon_buff *ixgbe_hwmon_buff;
 #endif /* CONFIG_IXGBE_HWMON */
@@ -849,6 +855,7 @@ static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		return IXGBE_MAX_RSS_INDICES_X550;
 	default:
 		return 0;
@@ -874,6 +881,7 @@ enum ixgbe_state_t {
 	__IXGBE_PTP_RUNNING,
 	__IXGBE_PTP_TX_IN_PROGRESS,
 	__IXGBE_RESET_REQUESTED,
+	__IXGBE_PHY_INIT_COMPLETE,
 };
 
 struct ixgbe_cb {
@@ -896,6 +904,7 @@ enum ixgbe_boards {
 	board_x550em_x_fw,
 	board_x550em_a,
 	board_x550em_a_fw,
+	board_e610,
 };
 
 extern const struct ixgbe_info ixgbe_82598_info;
@@ -906,6 +915,7 @@ extern const struct ixgbe_info ixgbe_X550EM_x_info;
 extern const struct ixgbe_info ixgbe_x550em_x_fw_info;
 extern const struct ixgbe_info ixgbe_x550em_a_info;
 extern const struct ixgbe_info ixgbe_x550em_a_fw_info;
+extern const struct ixgbe_info ixgbe_e610_info;
 #ifdef CONFIG_IXGBE_DCB
 extern const struct dcbnl_rtnl_ops ixgbe_dcbnl_ops;
 #endif
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index cdaf087..964988b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.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/pci.h>
 #include <linux/delay.h>
@@ -1615,6 +1615,7 @@ int ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		IXGBE_WRITE_REG(hw, IXGBE_FDIRSCTPM, ~fdirtcpm);
 		break;
 	default:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 3be1bfb..dd4a827 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.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/pci.h>
 #include <linux/delay.h>
@@ -58,6 +58,7 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
 		switch (hw->device_id) {
 		case IXGBE_DEV_ID_X550EM_A_SFP:
 		case IXGBE_DEV_ID_X550EM_A_SFP_N:
+		case IXGBE_DEV_ID_E610_SFP:
 			supported = false;
 			break;
 		default:
@@ -88,6 +89,8 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
 		case IXGBE_DEV_ID_X550EM_A_10G_T:
 		case IXGBE_DEV_ID_X550EM_A_1G_T:
 		case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+		case IXGBE_DEV_ID_E610_10G_T:
+		case IXGBE_DEV_ID_E610_2_5G_T:
 			supported = true;
 			break;
 		default:
@@ -469,9 +472,14 @@ int ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw)
 		}
 	}
 
-	if (hw->mac.type == ixgbe_mac_X550 || hw->mac.type == ixgbe_mac_X540) {
+	if (hw->mac.type == ixgbe_mac_X550 ||
+	    hw->mac.type == ixgbe_mac_X540 ||
+	    hw->mac.type == ixgbe_mac_e610) {
 		if (hw->phy.id == 0)
 			hw->phy.ops.identify(hw);
+	}
+
+	if (hw->mac.type == ixgbe_mac_X550 || hw->mac.type == ixgbe_mac_X540) {
 		hw->phy.ops.read_reg(hw, IXGBE_PCRC8ECL, MDIO_MMD_PCS, &i);
 		hw->phy.ops.read_reg(hw, IXGBE_PCRC8ECH, MDIO_MMD_PCS, &i);
 		hw->phy.ops.read_reg(hw, IXGBE_LDPCECL, MDIO_MMD_PCS, &i);
@@ -2918,6 +2926,10 @@ u16 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw)
 		pcie_offset = IXGBE_PCIE_MSIX_82599_CAPS;
 		max_msix_count = IXGBE_MAX_MSIX_VECTORS_82599;
 		break;
+	case ixgbe_mac_e610:
+		pcie_offset = IXGBE_PCIE_MSIX_E610_CAPS;
+		max_msix_count = IXGBE_MAX_MSIX_VECTORS_82599;
+		break;
 	default:
 		return 1;
 	}
@@ -3366,7 +3378,8 @@ int ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
 		*speed = IXGBE_LINK_SPEED_1GB_FULL;
 		break;
 	case IXGBE_LINKS_SPEED_100_82599:
-		if ((hw->mac.type >= ixgbe_mac_X550) &&
+		if ((hw->mac.type >= ixgbe_mac_X550 ||
+		     hw->mac.type == ixgbe_mac_e610) &&
 		    (links_reg & IXGBE_LINKS_SPEED_NON_STD))
 			*speed = IXGBE_LINK_SPEED_5GB_FULL;
 		else
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
index e85f7d2..cf4e4a8 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 1999 - 2018 Intel Corporation. */
+/* Copyright(c) 1999 - 2024 Intel Corporation. */
 
 #include "ixgbe.h"
 #include <linux/dcbnl.h>
@@ -154,6 +154,7 @@ static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
 	case ixgbe_mac_82599EB:
 	case ixgbe_mac_X540:
 	case ixgbe_mac_X550:
+	case ixgbe_mac_e610:
 		for (j = 0; j < netdev->addr_len; j++, i++)
 			perm_addr[i] = adapter->hw.mac.san_addr[j];
 		break;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
index 80e25c4..6673163 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
@@ -3,6 +3,7 @@
 
 #include "ixgbe_common.h"
 #include "ixgbe_e610.h"
+#include "ixgbe_x550.h"
 #include "ixgbe_type.h"
 #include "ixgbe_x540.h"
 #include "ixgbe_phy.h"
@@ -2380,3 +2381,165 @@ int ixgbe_validate_eeprom_checksum_e610(struct ixgbe_hw *hw, u16 *checksum_val)
 
 	return err;
 }
+
+/**
+ * ixgbe_reset_hw_e610 - Perform hardware reset
+ * @hw: pointer to hardware structure
+ *
+ * Resets the hardware by resetting the transmit and receive units, masks
+ * and clears all interrupts, and performs a reset.
+ *
+ * Return: the exit code of the operation.
+ */
+int ixgbe_reset_hw_e610(struct ixgbe_hw *hw)
+{
+	u32 swfw_mask = hw->phy.phy_semaphore_mask;
+	u32 ctrl, i;
+	int err;
+
+	/* Call adapter stop to disable tx/rx and clear interrupts */
+	err = hw->mac.ops.stop_adapter(hw);
+	if (err)
+		goto reset_hw_out;
+
+	/* Flush pending Tx transactions. */
+	ixgbe_clear_tx_pending(hw);
+
+	hw->phy.ops.init(hw);
+mac_reset_top:
+	err = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+	if (err)
+		return -EBUSY;
+	ctrl = IXGBE_CTRL_RST;
+	ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
+	IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
+	IXGBE_WRITE_FLUSH(hw);
+	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+
+	/* Poll for reset bit to self-clear indicating reset is complete */
+	for (i = 0; i < 10; i++) {
+		udelay(1);
+		ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
+		if (!(ctrl & IXGBE_CTRL_RST_MASK))
+			break;
+	}
+
+	if (ctrl & IXGBE_CTRL_RST_MASK) {
+		struct ixgbe_adapter *adapter = container_of(hw, struct ixgbe_adapter,
+							     hw);
+
+		err = -EIO;
+		netdev_err(adapter->netdev, "Reset polling failed to complete.");
+	}
+
+	/* Double resets are required for recovery from certain error
+	 * conditions. Between resets, it is necessary to stall to allow time
+	 * for any pending HW events to complete.
+	 */
+	msleep(100);
+	if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
+		hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
+		goto mac_reset_top;
+	}
+
+	/* Set the Rx packet buffer size. */
+	IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), GENMASK(18, 17));
+
+	/* Store the permanent mac address */
+	hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
+
+	/* Maximum number of Receive Address Registers. */
+#define IXGBE_MAX_NUM_RAR		128
+
+	/* Store MAC address from RAR0, clear receive address registers, and
+	 * clear the multicast table.  Also reset num_rar_entries to the
+	 * maximum number of Receive Address Registers, since we modify this
+	 * value when programming the SAN MAC address.
+	 */
+	hw->mac.num_rar_entries = IXGBE_MAX_NUM_RAR;
+	hw->mac.ops.init_rx_addrs(hw);
+
+	/* Initialize bus function number */
+	hw->mac.ops.set_lan_id(hw);
+
+reset_hw_out:
+	return err;
+}
+
+static const struct ixgbe_mac_operations mac_ops_e610 = {
+	.init_hw			= ixgbe_init_hw_generic,
+	.start_hw			= ixgbe_start_hw_X540,
+	.clear_hw_cntrs			= ixgbe_clear_hw_cntrs_generic,
+	.enable_rx_dma			= ixgbe_enable_rx_dma_generic,
+	.get_mac_addr			= ixgbe_get_mac_addr_generic,
+	.get_device_caps		= ixgbe_get_device_caps_generic,
+	.stop_adapter			= ixgbe_stop_adapter_generic,
+	.set_lan_id			= ixgbe_set_lan_id_multi_port_pcie,
+	.set_rxpba			= ixgbe_set_rxpba_generic,
+	.check_link			= ixgbe_check_link_e610,
+	.blink_led_start		= ixgbe_blink_led_start_X540,
+	.blink_led_stop			= ixgbe_blink_led_stop_X540,
+	.set_rar			= ixgbe_set_rar_generic,
+	.clear_rar			= ixgbe_clear_rar_generic,
+	.set_vmdq			= ixgbe_set_vmdq_generic,
+	.set_vmdq_san_mac		= ixgbe_set_vmdq_san_mac_generic,
+	.clear_vmdq			= ixgbe_clear_vmdq_generic,
+	.init_rx_addrs			= ixgbe_init_rx_addrs_generic,
+	.update_mc_addr_list		= ixgbe_update_mc_addr_list_generic,
+	.enable_mc			= ixgbe_enable_mc_generic,
+	.disable_mc			= ixgbe_disable_mc_generic,
+	.clear_vfta			= ixgbe_clear_vfta_generic,
+	.set_vfta			= ixgbe_set_vfta_generic,
+	.fc_enable			= ixgbe_fc_enable_generic,
+	.set_fw_drv_ver			= ixgbe_set_fw_drv_ver_x550,
+	.init_uta_tables		= ixgbe_init_uta_tables_generic,
+	.set_mac_anti_spoofing		= ixgbe_set_mac_anti_spoofing,
+	.set_vlan_anti_spoofing		= ixgbe_set_vlan_anti_spoofing,
+	.set_source_address_pruning	=
+				ixgbe_set_source_address_pruning_x550,
+	.set_ethertype_anti_spoofing	=
+				ixgbe_set_ethertype_anti_spoofing_x550,
+	.disable_rx_buff		= ixgbe_disable_rx_buff_generic,
+	.enable_rx_buff			= ixgbe_enable_rx_buff_generic,
+	.enable_rx			= ixgbe_enable_rx_generic,
+	.disable_rx			= ixgbe_disable_rx_e610,
+	.led_on				= ixgbe_led_on_generic,
+	.led_off			= ixgbe_led_off_generic,
+	.init_led_link_act		= ixgbe_init_led_link_act_generic,
+	.reset_hw			= ixgbe_reset_hw_e610,
+	.get_media_type			= ixgbe_get_media_type_e610,
+	.setup_link			= ixgbe_setup_link_e610,
+	.get_link_capabilities		= ixgbe_get_link_capabilities_e610,
+	.get_bus_info			= ixgbe_get_bus_info_generic,
+	.acquire_swfw_sync		= ixgbe_acquire_swfw_sync_X540,
+	.release_swfw_sync		= ixgbe_release_swfw_sync_X540,
+	.init_swfw_sync			= ixgbe_init_swfw_sync_X540,
+	.prot_autoc_read		= prot_autoc_read_generic,
+	.prot_autoc_write		= prot_autoc_write_generic,
+	.setup_fc			= ixgbe_setup_fc_e610,
+	.fc_autoneg			= ixgbe_fc_autoneg_e610,
+};
+
+static const struct ixgbe_phy_operations phy_ops_e610 = {
+	.init				= ixgbe_init_phy_ops_e610,
+	.identify			= ixgbe_identify_phy_e610,
+	.identify_sfp			= ixgbe_identify_module_e610,
+	.setup_link_speed		= ixgbe_setup_phy_link_speed_generic,
+	.setup_link			= ixgbe_setup_phy_link_e610,
+	.enter_lplu			= ixgbe_enter_lplu_e610,
+};
+
+static const struct ixgbe_eeprom_operations eeprom_ops_e610 = {
+	.read				= ixgbe_read_ee_aci_e610,
+	.validate_checksum		= ixgbe_validate_eeprom_checksum_e610,
+};
+
+const struct ixgbe_info ixgbe_e610_info = {
+	.mac			= ixgbe_mac_e610,
+	.get_invariants		= ixgbe_get_invariants_X540,
+	.mac_ops		= &mac_ops_e610,
+	.eeprom_ops		= &eeprom_ops_e610,
+	.phy_ops		= &phy_ops_e610,
+	.mbx_ops		= &mbx_ops_generic,
+	.mvals			= ixgbe_mvals_x550em_a,
+};
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.h
index df54a80..69cd151 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.h
@@ -70,5 +70,6 @@ int ixgbe_read_flat_nvm(struct ixgbe_hw  *hw, u32 offset, u32 *length,
 			u8 *data, bool read_shadow_ram);
 int ixgbe_read_ee_aci_e610(struct ixgbe_hw *hw, u16 offset, u16 *data);
 int ixgbe_validate_eeprom_checksum_e610(struct ixgbe_hw *hw, u16 *checksum_val);
+int ixgbe_reset_hw_e610(struct ixgbe_hw *hw);
 
 #endif /* _IXGBE_E610_H_ */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 6e6e6f1..5c1dd68 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 1999 - 2018 Intel Corporation. */
+/* Copyright(c) 1999 - 2024 Intel Corporation. */
 
 /* ethtool support for ixgbe */
 
@@ -690,6 +690,7 @@ static void ixgbe_get_regs(struct net_device *netdev,
 		case ixgbe_mac_X550:
 		case ixgbe_mac_X550EM_x:
 		case ixgbe_mac_x550em_a:
+		case ixgbe_mac_e610:
 			regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
 			regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
 			break;
@@ -1613,6 +1614,7 @@ static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		toggle = 0x7FFFF30F;
 		test = reg_test_82599;
 		break;
@@ -1874,6 +1876,7 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
 		reg_data |= IXGBE_DMATXCTL_TE;
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
@@ -1935,6 +1938,7 @@ static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
 		reg_data |= IXGBE_MACC_FLU;
 		IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index 0ee943d..bd7ec73 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 1999 - 2018 Intel Corporation. */
+/* Copyright(c) 1999 - 2024 Intel Corporation. */
 
 #include "ixgbe.h"
 #include "ixgbe_sriov.h"
@@ -107,6 +107,7 @@ static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		if (num_tcs > 4) {
 			/*
 			 * TCs    : TC0/1 TC2/3 TC4-7
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index d18c46c..835f5f4c 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>
@@ -72,6 +72,7 @@ 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
@@ -130,6 +131,11 @@ 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 +179,8 @@ 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;
 
@@ -240,7 +248,7 @@ static int ixgbe_get_parent_bus_info(struct ixgbe_adapter *adapter)
  * 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:
@@ -879,6 +887,7 @@ 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;
@@ -918,6 +927,7 @@ 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);
@@ -1028,7 +1038,7 @@ 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;
@@ -2518,6 +2528,7 @@ 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:
@@ -2529,8 +2540,12 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 	mask = IXGBE_EIMS_ENABLE_MASK;
 	mask &= ~(IXGBE_EIMS_OTHER |
 		  IXGBE_EIMS_MAILBOX |
+		  IXGBE_EIMS_FW_EVENT |
 		  IXGBE_EIMS_LSC);
 
+	if (adapter->hw.mac.type == ixgbe_mac_e610)
+		mask &= ~IXGBE_EIMS_FW_EVENT;
+
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, mask);
 }
 
@@ -2747,6 +2762,7 @@ 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
@@ -2969,6 +2985,218 @@ 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))
+		return 0;
+
+	if (link_up)
+		ixgbe_watchdog_link_is_up(adapter);
+	else
+		ixgbe_watchdog_link_is_down(adapter);
+
+	if (link_speed != adapter->link_speed) {
+		adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
+		ixgbe_watchdog_update_link(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 = 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 (event.desc.opcode) {
+		case ixgbe_aci_opc_get_link_status:
+			ixgbe_handle_link_status_event(adapter, &event);
+			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)
 {
@@ -2985,6 +3213,7 @@ 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);
@@ -3038,6 +3267,9 @@ 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 ||
@@ -3094,12 +3326,16 @@ 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;
@@ -3337,6 +3573,9 @@ 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);
@@ -3345,6 +3584,7 @@ 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);
@@ -3445,6 +3685,7 @@ 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);
@@ -4362,6 +4603,7 @@ 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;
@@ -4529,6 +4771,7 @@ 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];
 
@@ -4567,6 +4810,7 @@ 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];
 
@@ -5152,6 +5396,7 @@ 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:
@@ -5213,6 +5458,7 @@ 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:
@@ -5514,6 +5760,48 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 	ixgbe_configure_dfwd(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
@@ -5543,9 +5831,15 @@ static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter)
  **/
 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);
@@ -5568,12 +5862,52 @@ 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
@@ -5637,6 +5971,7 @@ 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);
@@ -5987,6 +6322,7 @@ void ixgbe_disable_tx(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(hw, IXGBE_DMATXCTL,
 				(IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
 				 ~IXGBE_DMATXCTL_TE));
@@ -6231,6 +6567,8 @@ 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);
 }
 
 /**
@@ -6286,6 +6624,7 @@ 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;
@@ -6349,6 +6688,8 @@ 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);
 
@@ -6916,6 +7257,19 @@ 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;
 
@@ -7069,6 +7423,7 @@ 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:
@@ -7216,6 +7571,7 @@ 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;
@@ -7232,7 +7588,8 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 		    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_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));
@@ -7258,6 +7615,7 @@ 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);
@@ -7558,6 +7916,7 @@ 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);
@@ -8059,6 +8418,11 @@ 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);
@@ -10777,6 +11141,24 @@ bool ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
 	return false;
 }
 
+/**
+ * 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
@@ -10789,6 +11171,11 @@ 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),
@@ -10875,6 +11262,8 @@ 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);
@@ -10946,6 +11335,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	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:
@@ -10966,6 +11356,7 @@ 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:
@@ -11138,6 +11529,8 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	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)) {
@@ -11283,6 +11676,8 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 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;
@@ -11329,6 +11724,11 @@ 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);
 
@@ -11460,6 +11860,9 @@ 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;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
index d67d77e..788b5af 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.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/pci.h>
 #include <linux/delay.h>
@@ -283,6 +283,7 @@ static int ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
 	case ixgbe_mac_X550:
 	case ixgbe_mac_X550EM_x:
 	case ixgbe_mac_x550em_a:
+	case ixgbe_mac_e610:
 		vflre = IXGBE_READ_REG(hw, IXGBE_VFLREC(reg_offset));
 		break;
 	default:
@@ -407,6 +408,7 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
 	    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 &&
 	    hw->mac.type != ixgbe_mac_X540)
 		return;
 
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 07eaa3c3..0a03a8b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.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/pci.h>
 #include <linux/delay.h>
@@ -1117,7 +1117,7 @@ int ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw)
 	hw->phy.ops.read_reg(hw, IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
 			     MDIO_MMD_AN, &autoneg_reg);
 
-	if (hw->mac.type == ixgbe_mac_X550) {
+	if (hw->mac.type == ixgbe_mac_X550 || hw->mac.type == ixgbe_mac_e610) {
 		/* Set or unset auto-negotiation 5G advertisement */
 		autoneg_reg &= ~IXGBE_MII_5GBASE_T_ADVERTISE;
 		if ((hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL) &&
@@ -1233,6 +1233,7 @@ static int ixgbe_get_copper_speeds_supported(struct ixgbe_hw *hw)
 
 	switch (hw->mac.type) {
 	case ixgbe_mac_X550:
+	case ixgbe_mac_e610:
 		hw->phy.speeds_supported |= IXGBE_LINK_SPEED_2_5GB_FULL;
 		hw->phy.speeds_supported |= IXGBE_LINK_SPEED_5GB_FULL;
 		break;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index f1ffa39..cb1a265 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.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/pci.h>
 #include <linux/delay.h>
@@ -65,7 +65,9 @@ int ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw, ixgbe_link_speed speed,
  *  Resets the hardware by resetting the transmit and receive units, masks
  *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
  *  reset.
- **/
+ *
+ *  Return: 0 on success or negative value on failure
+ */
 int ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
 {
 	u32 swfw_mask = hw->phy.phy_semaphore_mask;
@@ -132,10 +134,14 @@ int ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
 	hw->mac.num_rar_entries = IXGBE_X540_MAX_TX_QUEUES;
 	hw->mac.ops.init_rx_addrs(hw);
 
+	/* The following is not supported by E610. */
+	if (hw->mac.type == ixgbe_mac_e610)
+		return status;
+
 	/* Store the permanent SAN mac address */
 	hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
 
-	/* Add the SAN MAC address to the RAR only if it's a valid address */
+	/* Add the SAN MAC address to RAR if it's a valid address */
 	if (is_valid_ether_addr(hw->mac.san_addr)) {
 		/* Save the SAN MAC RAR index */
 		hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 7eeafc9..b6d29fd 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 1999 - 2018 Intel Corporation. */
+/* Copyright(c) 1999 - 2024 Intel Corporation. */
 
 #include "ixgbe_x540.h"
+#include "ixgbe_x550.h"
 #include "ixgbe_type.h"
 #include "ixgbe_common.h"
 #include "ixgbe_phy.h"
@@ -2769,9 +2770,9 @@ static int ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
  *  semaphore, -EIO when command fails or -ENIVAL when incorrect
  *  params passed.
  **/
-static int ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
-				     u8 build, u8 sub, u16 len,
-				     const char *driver_ver)
+int ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
+			      u8 build, u8 sub, u16 len,
+			      const char *driver_ver)
 {
 	struct ixgbe_hic_drv_info2 fw_cmd;
 	int ret_val;
@@ -3510,8 +3511,8 @@ static int ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
  *  @enable: enable or disable switch for Ethertype anti-spoofing
  *  @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing
  **/
-static void ixgbe_set_ethertype_anti_spoofing_x550(struct ixgbe_hw *hw,
-						   bool enable, int vf)
+void ixgbe_set_ethertype_anti_spoofing_x550(struct ixgbe_hw *hw,
+					    bool enable, int vf)
 {
 	int vf_target_reg = vf >> 3;
 	int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT;
@@ -3531,9 +3532,9 @@ static void ixgbe_set_ethertype_anti_spoofing_x550(struct ixgbe_hw *hw,
  *  @enable: enable or disable source address pruning
  *  @pool: Rx pool to set source address pruning for
  **/
-static void ixgbe_set_source_address_pruning_x550(struct ixgbe_hw *hw,
-						  bool enable,
-						  unsigned int pool)
+void ixgbe_set_source_address_pruning_x550(struct ixgbe_hw *hw,
+					   bool enable,
+					   unsigned int pool)
 {
 	u64 pfflp;
 
@@ -4046,7 +4047,7 @@ static const u32 ixgbe_mvals_X550EM_x[IXGBE_MVALS_IDX_LIMIT] = {
 	IXGBE_MVALS_INIT(X550EM_x)
 };
 
-static const u32 ixgbe_mvals_x550em_a[IXGBE_MVALS_IDX_LIMIT] = {
+const u32 ixgbe_mvals_x550em_a[IXGBE_MVALS_IDX_LIMIT] = {
 	IXGBE_MVALS_INIT(X550EM_a)
 };
 
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.h
new file mode 100644
index 0000000..3e4092f
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2024 Intel Corporation. */
+
+#ifndef _IXGBE_X550_H_
+#define _IXGBE_X550_H_
+
+#include "ixgbe_type.h"
+
+extern const u32 ixgbe_mvals_x550em_a[IXGBE_MVALS_IDX_LIMIT];
+
+int ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
+			      u8 build, u8 sub, u16 len,
+			      const char *driver_ver);
+void ixgbe_set_source_address_pruning_x550(struct ixgbe_hw *hw,
+					   bool enable,
+					   unsigned int pool);
+void ixgbe_set_ethertype_anti_spoofing_x550(struct ixgbe_hw *hw,
+					    bool enable, int vf);
+
+#endif /* _IXGBE_X550_H_ */
