diff --git a/drivers/net/ethernet/fungible/funeth/funeth.h b/drivers/net/ethernet/fungible/funeth/funeth.h
new file mode 100644
index 000000000000..0c089f685c7f
--- /dev/null
+++ b/drivers/net/ethernet/fungible/funeth/funeth.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+
+#ifndef _FUNETH_H
+#define _FUNETH_H
+
+#include <uapi/linux/if_ether.h>
+#include <uapi/linux/net_tstamp.h>
+#include <linux/seqlock.h>
+#include <net/devlink.h>
+#include "fun_dev.h"
+
+#define ADMIN_SQE_SIZE SZ_128
+#define ADMIN_CQE_SIZE SZ_64
+#define ADMIN_RSP_MAX_LEN (ADMIN_CQE_SIZE - sizeof(struct fun_cqe_info))
+
+#define FUN_MAX_MTU 9024
+
+#define SQ_DEPTH 512U
+#define CQ_DEPTH 1024U
+#define RQ_DEPTH (512U / (PAGE_SIZE / 4096))
+
+#define CQ_INTCOAL_USEC 10
+#define CQ_INTCOAL_NPKT 16
+#define SQ_INTCOAL_USEC 10
+#define SQ_INTCOAL_NPKT 16
+
+#define INVALID_LPORT 0xffff
+
+#define FUN_PORT_CAP_PAUSE_MASK (FUN_PORT_CAP_TX_PAUSE | FUN_PORT_CAP_RX_PAUSE)
+
+struct fun_vport_info {
+	u8 mac[ETH_ALEN];
+	u16 vlan;
+	__be16 vlan_proto;
+	u8 qos;
+	u8 spoofchk:1;
+	u8 trusted:1;
+	unsigned int max_rate;
+};
+
+/* "subclass" of fun_dev for Ethernet functions */
+struct fun_ethdev {
+	struct fun_dev fdev;
+
+	/* the function's network ports */
+	struct net_device **netdevs;
+	unsigned int num_ports;
+
+	/* configuration for the function's virtual ports */
+	unsigned int num_vports;
+	struct fun_vport_info *vport_info;
+
+	unsigned int nsqs_per_port;
+};
+
+static inline struct fun_ethdev *to_fun_ethdev(struct fun_dev *p)
+{
+	return container_of(p, struct fun_ethdev, fdev);
+}
+
+/* Per netdevice driver state, i.e., netdev_priv. */
+struct funeth_priv {
+	struct fun_dev *fdev;
+	struct pci_dev *pdev;
+	struct net_device *netdev;
+
+	struct funeth_rxq * __rcu *rxqs;
+	struct funeth_txq **txqs;
+	struct funeth_txq **xdpqs;
+
+	struct fun_irq *irqs;
+	unsigned int num_irqs;
+	unsigned int num_tx_irqs;
+
+	unsigned int lane_attrs;
+	u16 lport;
+
+	/* link settings */
+	u64 port_caps;
+	u64 advertising;
+	u64 lp_advertising;
+	unsigned int link_speed;
+	u8 xcvr_type;
+	u8 active_fc;
+	u8 active_fec;
+	u8 link_down_reason;
+	seqcount_t link_seq;
+
+	u32 msg_enable;
+
+	unsigned int ethid_start;
+
+	unsigned int num_xdpqs;
+
+	/* ethtool, etc. config parameters */
+	unsigned int sq_depth;
+	unsigned int rq_depth;
+	unsigned int cq_depth;
+	unsigned int cq_irq_db;
+	u8 tx_coal_usec;
+	u8 tx_coal_count;
+	u8 rx_coal_usec;
+	u8 rx_coal_count;
+
+	struct hwtstamp_config hwtstamp_cfg;
+
+	/* cumulative queue stats from earlier queue instances */
+	u64 tx_packets;
+	u64 tx_bytes;
+	u64 tx_dropped;
+	u64 rx_packets;
+	u64 rx_bytes;
+	u64 rx_dropped;
+
+	/* RSS */
+	unsigned int rss_hw_id;
+	enum fun_eth_hash_alg hash_algo;
+	u8 rss_key[FUN_ETH_RSS_MAX_KEY_SIZE];
+	unsigned int indir_table_nentries;
+	u32 indir_table[FUN_ETH_RSS_MAX_INDIR_ENT];
+	dma_addr_t rss_dma_addr;
+	void *rss_cfg;
+
+	/* DMA area for port stats */
+	dma_addr_t stats_dma_addr;
+	u64 *stats;
+
+	struct bpf_prog *xdp_prog;
+
+	struct devlink_port dl_port;
+
+	/* kTLS state */
+	unsigned int ktls_id;
+	atomic64_t tx_tls_add;
+	atomic64_t tx_tls_del;
+	atomic64_t tx_tls_resync;
+};
+
+void fun_set_ethtool_ops(struct net_device *netdev);
+int fun_port_read_cmds(struct funeth_priv *fp, unsigned int n,
+		       const int *keys, u64 *data);
+int fun_port_write_cmd(struct funeth_priv *fp, int key, u64 data);
+int fun_port_read_cmd(struct funeth_priv *fp, int key, u64 *data);
+int fun_create_and_bind_tx(struct funeth_priv *fp, u32 ethid, u32 sqid);
+void fun_reset_rss_indir(struct net_device *dev);
+int fun_config_rss(struct net_device *dev, int algo, const u8 *key,
+		   const u32 *qtable, u8 op);
+
+int fun_alloc_rings(struct net_device *netdev);
+void fun_free_rings(struct net_device *netdev);
+int fun_alloc_queue_irqs(struct net_device *dev);
+
+#endif /* _FUNETH_H */
diff --git a/drivers/net/ethernet/fungible/funeth/funeth_main.c b/drivers/net/ethernet/fungible/funeth/funeth_main.c
new file mode 100644
index 000000000000..11823006cce5
--- /dev/null
+++ b/drivers/net/ethernet/fungible/funeth/funeth_main.c
@@ -0,0 +1,1772 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+
+#include <linux/bpf.h>
+#include <linux/crash_dump.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/filter.h>
+#include <linux/idr.h>
+#include <linux/if_vlan.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/rtnetlink.h>
+#include <linux/inetdevice.h>
+
+#include "funeth.h"
+#include "funeth_devlink.h"
+#include "funeth_ktls.h"
+#include "fun_port.h"
+#include "fun_queue.h"
+#include "funeth_txrx.h"
+
+#define ADMIN_SQ_DEPTH 32
+#define ADMIN_CQ_DEPTH 64
+#define ADMIN_RQ_DEPTH 16
+
+/* Default number of Tx/Rx queues. */
+#define FUN_DFLT_QUEUES 16U
+
+enum {
+	FUN_SERV_RES_CHANGE = FUN_SERV_FIRST_AVAIL,
+	FUN_SERV_DEL_PORTS,
+};
+
+static int msg_enable;
+module_param(msg_enable, int, 0644);
+MODULE_PARM_DESC(msg_enable, "bitmap of NETIF_MSG_* enables");
+
+static const struct pci_device_id funeth_id_table[] = {
+	{ PCI_VDEVICE(FUNGIBLE, 0x0101) },
+	{ PCI_VDEVICE(FUNGIBLE, 0x0181) },
+	{ 0, }
+};
+
+/* Issue a port write admin command with @n key/value pairs. */
+int fun_port_write_cmds(struct funeth_priv *fp, unsigned int n,
+			const int *keys, const u64 *data)
+{
+	unsigned int cmd_size, i;
+	union {
+		struct fun_admin_port_req req;
+		struct fun_admin_port_rsp rsp;
+		u8 v[ADMIN_SQE_SIZE];
+	} cmd;
+
+	cmd_size = offsetof(struct fun_admin_port_req, u.write.write48) +
+		n * sizeof(struct fun_admin_write48_req);
+	if (cmd_size > sizeof(cmd) || cmd_size > ADMIN_RSP_MAX_LEN)
+		return -EINVAL;
+
+	cmd.req.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_PORT,
+						    cmd_size);
+	cmd.req.u.write =
+		FUN_ADMIN_PORT_WRITE_REQ_INIT(FUN_ADMIN_SUBOP_WRITE, 0,
+					      fp->netdev->dev_port);
+	for (i = 0; i < n; i++)
+		cmd.req.u.write.write48[i] =
+			FUN_ADMIN_WRITE48_REQ_INIT(keys[i], data[i]);
+
+	return fun_submit_admin_sync_cmd(fp->fdev, &cmd.req.common,
+					 &cmd.rsp, cmd_size, 0);
+}
+
+int fun_port_write_cmd(struct funeth_priv *fp, int key, u64 data)
+{
+	return fun_port_write_cmds(fp, 1, &key, &data);
+}
+
+/* Issue a port read admin command with @n key/value pairs. */
+int fun_port_read_cmds(struct funeth_priv *fp, unsigned int n,
+		       const int *keys, u64 *data)
+{
+	const struct fun_admin_read48_rsp *r48rsp;
+	unsigned int cmd_size, i;
+	int rc;
+	union {
+		struct fun_admin_port_req req;
+		struct fun_admin_port_rsp rsp;
+		u8 v[ADMIN_SQE_SIZE];
+	} cmd;
+
+	cmd_size = offsetof(struct fun_admin_port_req, u.read.read48) +
+		n * sizeof(struct fun_admin_read48_req);
+	if (cmd_size > sizeof(cmd) || cmd_size > ADMIN_RSP_MAX_LEN)
+		return -EINVAL;
+
+	cmd.req.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_PORT,
+						    cmd_size);
+	cmd.req.u.read =
+		FUN_ADMIN_PORT_READ_REQ_INIT(FUN_ADMIN_SUBOP_READ, 0,
+					     fp->netdev->dev_port);
+	for (i = 0; i < n; i++)
+		cmd.req.u.read.read48[i] = FUN_ADMIN_READ48_REQ_INIT(keys[i]);
+
+	rc = fun_submit_admin_sync_cmd(fp->fdev, &cmd.req.common,
+				       &cmd.rsp, cmd_size, 0);
+	if (rc)
+		return rc;
+
+	for (r48rsp = cmd.rsp.u.read.read48, i = 0; i < n; i++, r48rsp++) {
+		data[i] = FUN_ADMIN_READ48_RSP_DATA_G(r48rsp->key_to_data);
+		dev_dbg(fp->fdev->dev,
+			"port_read_rsp lport=%u (key_to_data=0x%llx) key=%d data:%lld retval:%lld",
+			fp->lport, r48rsp->key_to_data, keys[i], data[i],
+			FUN_ADMIN_READ48_RSP_RET_G(r48rsp->key_to_data));
+	}
+	return 0;
+}
+
+int fun_port_read_cmd(struct funeth_priv *fp, int key, u64 *data)
+{
+	return fun_port_read_cmds(fp, 1, &key, data);
+}
+
+static void fun_report_link(struct net_device *netdev)
+{
+	if (netif_carrier_ok(netdev)) {
+		const struct funeth_priv *fp = netdev_priv(netdev);
+		const char *fec = "", *pause = "";
+		int speed = fp->link_speed;
+		char unit = 'M';
+
+		if (fp->link_speed >= SPEED_1000) {
+			speed /= 1000;
+			unit = 'G';
+		}
+
+		if (fp->active_fec & FUN_PORT_FEC_RS)
+			fec = ", RS-FEC";
+		else if (fp->active_fec & FUN_PORT_FEC_FC)
+			fec = ", BASER-FEC";
+
+		if ((fp->active_fc & FUN_PORT_CAP_PAUSE_MASK) == FUN_PORT_CAP_PAUSE_MASK)
+			pause = ", Tx/Rx PAUSE";
+		else if (fp->active_fc & FUN_PORT_CAP_RX_PAUSE)
+			pause = ", Rx PAUSE";
+		else if (fp->active_fc & FUN_PORT_CAP_TX_PAUSE)
+			pause = ", Tx PAUSE";
+
+		netdev_info(netdev, "Link up at %d %cb/s full-duplex%s%s%s\n",
+			    speed, unit, pause, fec,
+			    netif_dormant(netdev) ? ", dormant" : "");
+	} else {
+		netdev_info(netdev, "Link down\n");
+	}
+}
+
+static int fun_adi_write(struct fun_dev *fdev, enum fun_admin_adi_attr attr,
+			 unsigned int adi_id, const struct fun_adi_param *param)
+{
+	struct fun_admin_adi_req req = {
+		.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_ADI,
+						     sizeof(req)),
+		.u.write = FUN_ADMIN_ADI_WRITE_REQ_INIT(FUN_ADMIN_SUBOP_WRITE,
+							attr, adi_id),
+		.u.write.param = *param
+	};
+
+	return fun_submit_admin_sync_cmd(fdev, &req.common, NULL, 0, 0);
+}
+
+/* Configure RSS for the given port. @op determines whether a new RSS context
+ * is to be created or whether an existing one should be reconfigured. The
+ * remaining parameters specify the hashing algorithm, key, and indirection
+ * table.
+ *
+ * This initiates packet delivery to the Rx queues set in the indirection
+ * table.
+ */
+int fun_config_rss(struct net_device *dev, int algo, const u8 *key,
+		   const u32 *qtable, u8 op)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	unsigned int table_len = fp->indir_table_nentries;
+	unsigned int len = FUN_ETH_RSS_MAX_KEY_SIZE + sizeof(u32) * table_len;
+	struct funeth_rxq **rxqs = rtnl_dereference(fp->rxqs);
+	u32 *indir_tab;
+	u16 flags;
+	int rc;
+	union {
+		struct {
+			struct fun_admin_rss_req req;
+			struct fun_dataop_gl gl;
+		};
+		struct fun_admin_generic_create_rsp rsp;
+	} cmd;
+
+	if (op != FUN_ADMIN_SUBOP_CREATE && fp->rss_hw_id == FUN_HCI_ID_INVALID)
+		return -EINVAL;
+
+	flags = op == FUN_ADMIN_SUBOP_CREATE ?
+			FUN_ADMIN_RES_CREATE_FLAG_ALLOCATOR : 0;
+	cmd.req.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_RSS,
+						    sizeof(cmd));
+	cmd.req.u.create =
+		FUN_ADMIN_RSS_CREATE_REQ_INIT(op, flags, fp->rss_hw_id,
+					      dev->dev_port, algo,
+					      FUN_ETH_RSS_MAX_KEY_SIZE,
+					      table_len, 0,
+					      FUN_ETH_RSS_MAX_KEY_SIZE);
+	cmd.req.u.create.dataop = FUN_DATAOP_HDR_INIT(1, 0, 1, 0, len);
+	fun_dataop_gl_init(&cmd.gl, 0, 0, len, fp->rss_dma_addr);
+
+	/* write the key and indirection table into the RSS DMA area */
+	memcpy(fp->rss_cfg, key, FUN_ETH_RSS_MAX_KEY_SIZE);
+	indir_tab = fp->rss_cfg + FUN_ETH_RSS_MAX_KEY_SIZE;
+	for (rc = 0; rc < table_len; rc++)
+		*indir_tab++ = cpu_to_be32(rxqs[*qtable++]->hw_cqid);
+
+	rc = fun_submit_admin_sync_cmd(fp->fdev, &cmd.req.common,
+				       &cmd.rsp, sizeof(cmd.rsp), 0);
+	if (!rc && op == FUN_ADMIN_SUBOP_CREATE)
+		fp->rss_hw_id = be32_to_cpu(cmd.rsp.id);
+	return rc;
+}
+
+/* Destroy the HW RSS conntext associated with the given port. This also stops
+ * all packet delivery to our Rx queues.
+ */
+static int fun_destroy_rss(struct funeth_priv *fp)
+{
+	int rc;
+
+	if (fp->rss_hw_id == FUN_HCI_ID_INVALID)
+		return 0;
+
+	rc = fun_res_destroy(fp->fdev, FUN_ADMIN_OP_RSS, 0, fp->rss_hw_id);
+	fp->rss_hw_id = FUN_HCI_ID_INVALID;
+	return rc;
+}
+
+static void free_txqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct funeth_txq **txqs = fp->txqs;
+	unsigned int i;
+
+	for (i = 0; i < dev->real_num_tx_queues && txqs[i]; i++) {
+		fp->irqs[txqs[i]->irq_idx].txq = NULL;
+		funeth_txq_free(txqs[i]);
+		txqs[i] = NULL;
+	}
+}
+
+static int alloc_txqs(struct net_device *dev, unsigned int start_irq)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct funeth_txq **txqs = fp->txqs, *q;
+	unsigned int i;
+
+	for (i = 0; i < dev->real_num_tx_queues; i++) {
+		q = funeth_txq_create(dev, i, fp->sq_depth,
+				      &fp->irqs[start_irq + i]);
+		if (IS_ERR(q)) {
+			free_txqs(dev);
+			return PTR_ERR(q);
+		}
+		txqs[i] = q;
+	}
+	return 0;
+}
+
+static void free_rxqs(struct net_device *dev, struct funeth_rxq **rxqs)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	unsigned int i;
+
+	for (i = 0; i < dev->real_num_rx_queues && rxqs[i]; i++) {
+		fp->irqs[rxqs[i]->irq_idx].rxq = NULL;
+		funeth_rxq_free(rxqs[i]);
+		rxqs[i] = NULL;
+	}
+}
+
+static int alloc_rxqs(struct net_device *dev, struct funeth_rxq **rxqs,
+		      unsigned int start_irq)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct funeth_rxq *q;
+	unsigned int i;
+
+	for (i = 0; i < dev->real_num_rx_queues; i++) {
+		q = funeth_rxq_create(dev, i, fp->cq_depth, fp->rq_depth,
+				      &fp->irqs[start_irq + i]);
+		if (IS_ERR(q)) {
+			free_rxqs(dev, rxqs);
+			return PTR_ERR(q);
+		}
+		rxqs[i] = q;
+	}
+	return 0;
+}
+
+static void free_xdpqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct funeth_txq **xdpqs = fp->xdpqs;
+	unsigned int i;
+
+	for (i = 0; i < fp->num_xdpqs && xdpqs[i]; i++) {
+		funeth_txq_free(xdpqs[i]);
+		xdpqs[i] = NULL;
+	}
+}
+
+static int alloc_xdpqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct funeth_txq **xdpqs = fp->xdpqs, *q;
+	unsigned int i;
+
+	for (i = 0; i < fp->num_xdpqs; i++) {
+		q = funeth_txq_create(dev, i, fp->sq_depth, NULL);
+		if (IS_ERR(q)) {
+			free_xdpqs(dev);
+			return PTR_ERR(q);
+		}
+		xdpqs[i] = q;
+	}
+	return 0;
+}
+
+void fun_free_rings(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	struct funeth_rxq **rxqs = rtnl_dereference(fp->rxqs);
+
+	if (!rxqs)
+		return;
+
+	rcu_assign_pointer(fp->rxqs, NULL);
+	synchronize_net();
+
+	free_rxqs(netdev, rxqs);
+	free_txqs(netdev);
+	fp->txqs = NULL;
+	free_xdpqs(netdev);
+	fp->xdpqs = NULL;
+	kfree(rxqs);
+}
+
+int fun_alloc_rings(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	struct funeth_rxq **rxqs;
+	unsigned int total_qs;
+	int err;
+
+	total_qs = netdev->real_num_tx_queues + netdev->real_num_rx_queues +
+		   fp->num_xdpqs;
+
+	rxqs = kcalloc(total_qs, sizeof(*rxqs), GFP_KERNEL);
+	if (!rxqs)
+		return -ENOMEM;
+
+	fp->txqs = (struct funeth_txq **)&rxqs[netdev->real_num_rx_queues];
+	err = alloc_txqs(netdev, 0);
+	if (err)
+		goto free_qvec;
+
+	if (fp->num_xdpqs) {
+		fp->xdpqs = (struct funeth_txq **)&rxqs[total_qs - fp->num_xdpqs];
+		err = alloc_xdpqs(netdev);
+		if (err)
+			goto free_txqs;
+	}
+
+	err = alloc_rxqs(netdev, rxqs, netdev->real_num_tx_queues);
+	if (err)
+		goto free_xdpqs;
+
+	rcu_assign_pointer(fp->rxqs, rxqs);
+	return 0;
+
+free_xdpqs:
+	free_xdpqs(netdev);
+free_txqs:
+	free_txqs(netdev);
+free_qvec:
+	fp->txqs = NULL;
+	fp->xdpqs = NULL;
+	kfree(rxqs);
+	return err;
+}
+
+static int fun_port_create(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	union {
+		struct fun_admin_port_req req;
+		struct fun_admin_port_rsp rsp;
+	} cmd;
+	int rc;
+
+	if (fp->lport != INVALID_LPORT)
+		return 0;
+
+	cmd.req.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_PORT,
+						    sizeof(cmd.req));
+	cmd.req.u.create =
+		FUN_ADMIN_PORT_CREATE_REQ_INIT(FUN_ADMIN_SUBOP_CREATE, 0,
+					       netdev->dev_port);
+
+	rc = fun_submit_admin_sync_cmd(fp->fdev, &cmd.req.common, &cmd.rsp,
+				       sizeof(cmd.rsp), 0);
+
+	if (!rc)
+		fp->lport = be16_to_cpu(cmd.rsp.u.create.lport);
+	return rc;
+}
+
+static int fun_port_destroy(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+
+	if (fp->lport == INVALID_LPORT)
+		return 0;
+
+	fp->lport = INVALID_LPORT;
+	return fun_res_destroy(fp->fdev, FUN_ADMIN_OP_PORT, 0,
+			       netdev->dev_port);
+}
+
+static int fun_eth_create(struct funeth_priv *fp, u32 ethid)
+{
+	struct fun_admin_eth_req req = {
+		.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_ETH,
+						     sizeof(req)),
+		.u.create =
+			FUN_ADMIN_ETH_CREATE_REQ_INIT(FUN_ADMIN_SUBOP_CREATE, 0,
+						      ethid,
+						      fp->netdev->dev_port)
+	};
+
+	return fun_submit_admin_sync_cmd(fp->fdev, &req.common, NULL, 0, 0);
+}
+
+static int fun_vi_create(struct funeth_priv *fp)
+{
+	struct fun_admin_vi_req req = {
+		.common = FUN_ADMIN_REQ_COMMON_INIT2(FUN_ADMIN_OP_VI,
+						     sizeof(req)),
+		.u.create = FUN_ADMIN_VI_CREATE_REQ_INIT(FUN_ADMIN_SUBOP_CREATE,
+							 0,
+							 fp->netdev->dev_port,
+							 fp->netdev->dev_port)
+	};
+
+	return fun_submit_admin_sync_cmd(fp->fdev, &req.common, NULL, 0, 0);
+}
+
+/* helper to create an ETH flow and bind an SQ to it */
+int fun_create_and_bind_tx(struct funeth_priv *fp, u32 ethid, u32 sqid)
+{
+	int rc;
+
+	netif_info(fp, ifup, fp->netdev,
+		   "creating ETH flow %u and binding SQ id %u\n", ethid, sqid);
+	rc = fun_eth_create(fp, ethid);
+	if (!rc) {
+		rc = fun_bind(fp->fdev, FUN_ADMIN_BIND_TYPE_EPSQ, sqid,
+			      FUN_ADMIN_BIND_TYPE_ETH, ethid);
+		if (rc)
+			fun_res_destroy(fp->fdev, FUN_ADMIN_OP_ETH, 0, ethid);
+	}
+	return rc;
+}
+
+static void fun_irq_aff_notify(struct irq_affinity_notify *notify,
+			       const cpumask_t *mask)
+{
+	struct fun_irq *p = container_of(notify, struct fun_irq, aff_notify);
+
+	cpumask_copy(&p->affinity_mask, mask);
+}
+
+static void fun_irq_aff_release(struct kref __always_unused *ref)
+{
+}
+
+static void fun_init_irq(struct fun_irq *p, int node, int idx)
+{
+	cpumask_set_cpu(cpumask_local_spread(idx, node), &p->affinity_mask);
+	p->aff_notify.notify = fun_irq_aff_notify;
+	p->aff_notify.release = fun_irq_aff_release;
+}
+
+static void fun_free_irqs_from(struct funeth_priv *fp, unsigned int start)
+{
+	struct fun_irq *p = fp->irqs + start;
+
+	for ( ; start < fp->num_irqs; start++, p++) {
+		netif_napi_del(&p->napi);
+		fun_release_irqs(fp->fdev, 1, &p->irq_idx);
+	}
+}
+
+/* Release the IRQ vectors reserved for Tx/Rx queues. */
+static void fun_free_queue_irqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+
+	if (fp->num_irqs) {
+		netif_info(fp, intr, dev, "Releasing %u queue IRQs\n",
+			   fp->num_irqs);
+		fun_free_irqs_from(fp, 0);
+		kfree(fp->irqs);
+		fp->irqs = NULL;
+		fp->num_irqs = 0;
+		fp->num_tx_irqs = 0;
+	}
+}
+
+/* Reserve IRQ vectors, one per queue. We hold on to allocated vectors until
+ * the total number of queues changes.
+ */
+int fun_alloc_queue_irqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	unsigned int i, copy, irqs_needed;
+	struct fun_irq *irqs, *p;
+	int node, res = -ENOMEM;
+	u16 *irq_idx;
+
+	irqs_needed = dev->real_num_rx_queues + dev->real_num_tx_queues;
+	if (irqs_needed == fp->num_irqs &&
+	    fp->num_tx_irqs == dev->real_num_tx_queues)
+		return 0;
+
+	/* IRQ needs have changed, reallocate. */
+	irqs = kcalloc(irqs_needed, sizeof(*irqs), GFP_KERNEL);
+	if (!irqs)
+		return -ENOMEM;
+
+	irq_idx = kcalloc(irqs_needed, sizeof(u16), GFP_KERNEL);
+	if (!irq_idx)
+		goto free;
+
+	/* keep as many existing IRQs as possible */
+	copy = min(irqs_needed, fp->num_irqs);
+	for (i = 0; i < copy; i++)
+		irq_idx[i] = fp->irqs[i].irq_idx;
+
+	/* get additional IRQs */
+	if (irqs_needed > fp->num_irqs) {
+		unsigned int addl_irqs = irqs_needed - fp->num_irqs;
+
+		res = fun_reserve_irqs(fp->fdev, addl_irqs, irq_idx + copy);
+		if (res != addl_irqs)
+			goto free;
+	}
+
+	/* release excess IRQs */
+	fun_free_irqs_from(fp, copy);
+
+	for (i = 0; i < copy; i++)
+		netif_napi_del(&fp->irqs[i].napi);
+
+	/* new Tx IRQs */
+	copy = min(dev->real_num_tx_queues, fp->num_tx_irqs);
+	memcpy(irqs, fp->irqs, copy * sizeof(*p));
+
+	node = dev_to_node(&fp->pdev->dev);
+	for (p = irqs + copy, i = copy; i < dev->real_num_tx_queues; i++, p++)
+		fun_init_irq(p, node, i);
+
+	/* new Rx IRQs */
+	copy = min(dev->real_num_rx_queues, fp->num_irqs - fp->num_tx_irqs);
+	memcpy(p, fp->irqs + fp->num_tx_irqs, copy * sizeof(*p));
+	p += copy;
+
+	for (i = copy; i < dev->real_num_rx_queues; i++, p++)
+		fun_init_irq(p, node, i);
+
+	/* assign IRQ vectors and register NAPI */
+	for (i = 0; i < irqs_needed; i++) {
+		irqs[i].irq_idx = irq_idx[i];
+		irqs[i].irq = pci_irq_vector(fp->pdev, irq_idx[i]);
+	}
+
+	for (p = irqs, i = 0; i < dev->real_num_tx_queues; i++, p++)
+		netif_tx_napi_add(dev, &p->napi, fun_txq_napi_poll,
+				  NAPI_POLL_WEIGHT);
+
+	for (i = 0; i < dev->real_num_rx_queues; i++, p++)
+		netif_napi_add(dev, &p->napi, fun_rxq_napi_poll,
+			       NAPI_POLL_WEIGHT);
+
+	kfree(irq_idx);
+	kfree(fp->irqs);
+
+	fp->irqs = irqs;
+	fp->num_irqs = irqs_needed;
+	fp->num_tx_irqs = dev->real_num_tx_queues;
+	netif_info(fp, intr, dev, "Reserved %u IRQs for Tx/Rx queues\n",
+		   irqs_needed);
+	return 0;
+
+free:
+	kfree(irq_idx);
+	kfree(irqs);
+	return res;
+}
+
+static irqreturn_t fun_queue_irq_handler(int irq, void *data)
+{
+	struct fun_irq *p = data;
+
+	if (p->rxq) {
+		prefetch(p->rxq->next_cqe_info);
+		p->rxq->irq_cnt++;
+	}
+	napi_schedule_irqoff(&p->napi);
+	return IRQ_HANDLED;
+}
+
+static int fun_enable_irqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	unsigned int i, qidx;
+	struct fun_irq *p;
+	const char *qtype;
+	int err;
+
+	for (p = fp->irqs, i = 0; i < fp->num_irqs; i++, p++) {
+		if (p->txq) {
+			qtype = "tx";
+			qidx = p->txq->qidx;
+		} else if (p->rxq) {
+			qtype = "rx";
+			qidx = p->rxq->qidx;
+		} else {
+			continue;
+		}
+
+		snprintf(p->name, sizeof(p->name) - 1, "%s-%s-%u", dev->name,
+			 qtype, qidx);
+		err = request_irq(p->irq, fun_queue_irq_handler, 0, p->name, p);
+		if (err) {
+			netdev_err(dev, "Failed to allocate IRQ %u, err %d\n",
+				   p->irq, err);
+			goto unroll;
+		}
+	}
+
+	for (p = fp->irqs, i = 0; i < fp->num_irqs; i++, p++) {
+		if (!p->txq && !p->rxq)
+			continue;
+		irq_set_affinity_notifier(p->irq, &p->aff_notify);
+		irq_set_affinity_hint(p->irq, &p->affinity_mask);
+		napi_enable(&p->napi);
+	}
+
+	return 0;
+
+unroll:
+	while (i--) {
+		p--;
+		free_irq(p->irq, p);
+	}
+	return err;
+}
+
+static void fun_disable_irqs(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct fun_irq *p;
+	unsigned int i;
+
+	for (p = fp->irqs, i = 0; i < fp->num_irqs; i++, p++) {
+		if (!p->txq && !p->rxq)
+			continue;
+
+		napi_disable(&p->napi);
+		irq_set_affinity_notifier(p->irq, NULL);
+		irq_set_affinity_hint(p->irq, NULL);
+		free_irq(p->irq, p);
+	}
+}
+
+static int funeth_open(struct net_device *netdev)
+{
+	static const int port_keys[] = {
+		FUN_ADMIN_PORT_KEY_STATS_DMA_LOW,
+		FUN_ADMIN_PORT_KEY_STATS_DMA_HIGH,
+		FUN_ADMIN_PORT_KEY_ENABLE
+	};
+
+	struct funeth_priv *fp = netdev_priv(netdev);
+	u64 vals[] = {
+		lower_32_bits(fp->stats_dma_addr),
+		upper_32_bits(fp->stats_dma_addr),
+		FUN_PORT_FLAG_ENABLE_NOTIFY
+	};
+	int rc;
+
+	rc = fun_alloc_queue_irqs(netdev);
+	if (rc)
+		return rc;
+
+	rc = fun_alloc_rings(netdev);
+	if (rc)
+		return rc;
+
+	rc = fun_vi_create(fp);
+	if (rc)
+		goto free_queues;
+
+	rc = fun_enable_irqs(netdev);
+	if (rc)
+		goto destroy_vi;
+
+	if (fp->rss_cfg) {
+		rc = fun_config_rss(netdev, fp->hash_algo, fp->rss_key,
+				    fp->indir_table, FUN_ADMIN_SUBOP_CREATE);
+	} else {
+		struct funeth_rxq **rxqs = rtnl_dereference(fp->rxqs);
+
+		/* The non-RSS case has only 1 queue. */
+		rc = fun_bind(fp->fdev, FUN_ADMIN_BIND_TYPE_VI,
+			      netdev->dev_port, FUN_ADMIN_BIND_TYPE_EPCQ,
+			      rxqs[0]->hw_cqid);
+	}
+	if (rc)
+		goto disable_irqs;
+
+	rc = fun_port_write_cmds(fp, 3, port_keys, vals);
+	if (rc)
+		goto free_rss;
+
+	netif_tx_start_all_queues(netdev);
+	return 0;
+
+free_rss:
+	fun_destroy_rss(fp);
+disable_irqs:
+	fun_disable_irqs(netdev);
+destroy_vi:
+	fun_res_destroy(fp->fdev, FUN_ADMIN_OP_VI, 0, netdev->dev_port);
+free_queues:
+	fun_free_rings(netdev);
+	return rc;
+}
+
+static int funeth_close(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+
+	/* HW admin disable port */
+	fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_DISABLE, 0);
+
+	netif_carrier_off(netdev);
+	netif_tx_disable(netdev);
+
+	fun_destroy_rss(fp);
+	if (fp->txqs)
+		fun_res_destroy(fp->fdev, FUN_ADMIN_OP_VI, 0, netdev->dev_port);
+	fun_disable_irqs(netdev);
+	fun_free_rings(netdev);
+	return 0;
+}
+
+static void fun_get_stats64(struct net_device *netdev,
+			    struct rtnl_link_stats64 *stats)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	struct funeth_rxq **rxqs;
+	unsigned int i, start;
+
+	stats->tx_packets = fp->tx_packets;
+	stats->tx_bytes   = fp->tx_bytes;
+	stats->tx_dropped = fp->tx_dropped;
+
+	stats->rx_packets = fp->rx_packets;
+	stats->rx_bytes   = fp->rx_bytes;
+	stats->rx_dropped = fp->rx_dropped;
+
+	rcu_read_lock();
+	rxqs = rcu_dereference(fp->rxqs);
+	if (!rxqs)
+		goto unlock;
+
+	for (i = 0; i < netdev->real_num_tx_queues; i++) {
+		struct funeth_txq_stats txs;
+
+		FUN_QSTAT_READ(fp->txqs[i], start, txs);
+		stats->tx_packets += txs.tx_pkts;
+		stats->tx_bytes   += txs.tx_bytes;
+		stats->tx_dropped += txs.tx_map_err + txs.tx_len_err;
+	}
+
+	for (i = 0; i < fp->num_xdpqs; i++) {
+		struct funeth_txq_stats txs;
+
+		FUN_QSTAT_READ(fp->xdpqs[i], start, txs);
+		stats->tx_packets += txs.tx_pkts;
+		stats->tx_bytes   += txs.tx_bytes;
+	}
+
+	for (i = 0; i < netdev->real_num_rx_queues; i++) {
+		struct funeth_rxq_stats rxs;
+
+		FUN_QSTAT_READ(rxqs[i], start, rxs);
+		stats->rx_packets += rxs.rx_pkts;
+		stats->rx_bytes   += rxs.rx_bytes;
+		stats->rx_dropped += rxs.rx_map_err + rxs.rx_mem_drops;
+	}
+unlock:
+	rcu_read_unlock();
+}
+
+static int fun_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	int rc;
+
+	rc = fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_MTU, new_mtu);
+	if (!rc)
+		netdev->mtu = new_mtu;
+	return rc;
+}
+
+static int fun_set_macaddr(struct net_device *netdev, void *addr)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	struct sockaddr *saddr = addr;
+	int rc;
+
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	if (ether_addr_equal(netdev->dev_addr, saddr->sa_data))
+		return 0;
+
+	rc = fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_MACADDR,
+				ether_addr_to_u64(saddr->sa_data));
+	if (!rc)
+		eth_hw_addr_set(netdev, saddr->sa_data);
+	return rc;
+}
+
+static int fun_get_port_attributes(struct net_device *netdev)
+{
+	static const int keys[] = {
+		FUN_ADMIN_PORT_KEY_MACADDR, FUN_ADMIN_PORT_KEY_CAPABILITIES,
+		FUN_ADMIN_PORT_KEY_ADVERT, FUN_ADMIN_PORT_KEY_MTU
+	};
+	static const int phys_keys[] = {
+		FUN_ADMIN_PORT_KEY_LANE_ATTRS,
+	};
+
+	struct funeth_priv *fp = netdev_priv(netdev);
+	u64 data[ARRAY_SIZE(keys)];
+	u8 mac[ETH_ALEN];
+	int i, rc;
+
+	rc = fun_port_read_cmds(fp, ARRAY_SIZE(keys), keys, data);
+	if (rc)
+		return rc;
+
+	for (i = 0; i < ARRAY_SIZE(keys); i++) {
+		switch (keys[i]) {
+		case FUN_ADMIN_PORT_KEY_MACADDR:
+			u64_to_ether_addr(data[i], mac);
+			if (is_zero_ether_addr(mac)) {
+				eth_hw_addr_random(netdev);
+			} else if (is_valid_ether_addr(mac)) {
+				eth_hw_addr_set(netdev, mac);
+			} else {
+				netdev_err(netdev,
+					   "device provided a bad MAC address %pM\n",
+					   mac);
+				return -EINVAL;
+			}
+			break;
+
+		case FUN_ADMIN_PORT_KEY_CAPABILITIES:
+			fp->port_caps = data[i];
+			break;
+
+		case FUN_ADMIN_PORT_KEY_ADVERT:
+			fp->advertising = data[i];
+			break;
+
+		case FUN_ADMIN_PORT_KEY_MTU:
+			netdev->mtu = data[i];
+			break;
+		}
+	}
+
+	if (!(fp->port_caps & FUN_PORT_CAP_VPORT)) {
+		rc = fun_port_read_cmds(fp, ARRAY_SIZE(phys_keys), phys_keys,
+					data);
+		if (rc)
+			return rc;
+
+		fp->lane_attrs = data[0];
+	}
+
+	if (netdev->addr_assign_type == NET_ADDR_RANDOM)
+		return fun_port_write_cmd(fp, FUN_ADMIN_PORT_KEY_MACADDR,
+					  ether_addr_to_u64(netdev->dev_addr));
+	return 0;
+}
+
+static int fun_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
+{
+	const struct funeth_priv *fp = netdev_priv(dev);
+
+	return copy_to_user(ifr->ifr_data, &fp->hwtstamp_cfg,
+			    sizeof(fp->hwtstamp_cfg)) ? -EFAULT : 0;
+}
+
+static int fun_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct hwtstamp_config cfg;
+
+	if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
+		return -EFAULT;
+
+	if (cfg.flags)           /* flags is reserved, must be 0 */
+		return -EINVAL;
+
+	/* no TX HW timestamps */
+	cfg.tx_type = HWTSTAMP_TX_OFF;
+
+	switch (cfg.rx_filter) {
+	case HWTSTAMP_FILTER_NONE:
+		break;
+	case HWTSTAMP_FILTER_ALL:
+	case HWTSTAMP_FILTER_SOME:
+	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+	case HWTSTAMP_FILTER_NTP_ALL:
+		cfg.rx_filter = HWTSTAMP_FILTER_ALL;
+		break;
+	default:
+		return -ERANGE;
+	}
+
+	fp->hwtstamp_cfg = cfg;
+	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
+}
+
+static int fun_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	switch (cmd) {
+	case SIOCSHWTSTAMP:
+		return fun_hwtstamp_set(dev, ifr);
+	case SIOCGHWTSTAMP:
+		return fun_hwtstamp_get(dev, ifr);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+#define XDP_MAX_MTU \
+	(PAGE_SIZE - FUN_XDP_HEADROOM - VLAN_ETH_HLEN - FUN_RX_TAILROOM)
+
+static int fun_xdp_setup(struct net_device *dev, struct netdev_bpf *xdp)
+{
+	struct bpf_prog *old_prog, *prog = xdp->prog;
+	struct funeth_priv *fp = netdev_priv(dev);
+	bool reconfig;
+	int rc, i;
+
+	/* XDP uses at most one buffer */
+	if (prog && dev->mtu > XDP_MAX_MTU) {
+		netdev_err(dev, "device MTU %u too large for XDP\n", dev->mtu);
+		NL_SET_ERR_MSG_MOD(xdp->extack,
+				   "Device MTU too large for XDP");
+		return -EINVAL;
+	}
+
+	reconfig = netif_running(dev) && (!!fp->xdp_prog ^ !!prog);
+	if (reconfig) {
+		rc = funeth_close(dev);
+		if (rc) {
+			NL_SET_ERR_MSG_MOD(xdp->extack,
+					   "Failed to reconfigure Rx queues.");
+			return rc;
+		}
+	}
+
+	dev->max_mtu = prog ? XDP_MAX_MTU : FUN_MAX_MTU;
+	fp->num_xdpqs = prog ? num_online_cpus() : 0;
+	old_prog = xchg(&fp->xdp_prog, prog);
+
+	if (reconfig) {
+		rc = funeth_open(dev);
+		if (rc) {
+			NL_SET_ERR_MSG_MOD(xdp->extack,
+					   "Failed to reconfigure Rx queues.");
+			dev->max_mtu = old_prog ? XDP_MAX_MTU : FUN_MAX_MTU;
+			fp->num_xdpqs = old_prog ? num_online_cpus() : 0;
+			xchg(&fp->xdp_prog, old_prog);
+			return rc;
+		}
+	} else if (netif_running(dev)) {
+		struct funeth_rxq **rxqs = rtnl_dereference(fp->rxqs);
+
+		for (i = 0; i < dev->real_num_rx_queues; i++)
+			WRITE_ONCE(rxqs[i]->xdp_prog, prog);
+	}
+
+	if (old_prog)
+		bpf_prog_put(old_prog);
+	return 0;
+}
+
+static int fun_xdp(struct net_device *dev, struct netdev_bpf *xdp)
+{
+	switch (xdp->command) {
+	case XDP_SETUP_PROG:
+		return fun_xdp_setup(dev, xdp);
+	default:
+		return -EINVAL;
+	}
+}
+
+struct devlink_port *fun_get_devlink_port(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+
+	return &fp->dl_port;
+}
+
+static int fun_init_vports(struct fun_ethdev *ed, unsigned int n)
+{
+	if (ed->num_vports)
+		return -EINVAL;
+
+	ed->vport_info = kvcalloc(n, sizeof(*ed->vport_info), GFP_KERNEL);
+	if (!ed->vport_info)
+		return -ENOMEM;
+	ed->num_vports = n;
+	return 0;
+}
+
+static void fun_free_vports(struct fun_ethdev *ed)
+{
+	kvfree(ed->vport_info);
+	ed->vport_info = NULL;
+	ed->num_vports = 0;
+}
+
+static struct fun_vport_info *fun_get_vport(struct fun_dev *fdev,
+					    unsigned int vport)
+{
+	struct fun_ethdev *ed = to_fun_ethdev(fdev);
+
+	if (!ed->vport_info || vport >= ed->num_vports)
+		return NULL;
+
+	return ed->vport_info + vport;
+}
+
+int fun_set_vf_mac(struct net_device *dev, int vf, u8 *mac)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct fun_dev *fdev = fp->fdev;
+	struct fun_vport_info *vi = fun_get_vport(fdev, vf);
+	struct fun_adi_param mac_param = {};
+	int rc;
+
+	if (!vi)
+		return -EINVAL;
+	if (is_multicast_ether_addr(mac))
+		return -EINVAL;
+
+	mac_param.u.mac = FUN_ADI_MAC_INIT(ether_addr_to_u64(mac));
+	rc = fun_adi_write(fdev, FUN_ADMIN_ADI_ATTR_MACADDR, vf + 1,
+			   &mac_param);
+	if (!rc)
+		ether_addr_copy(vi->mac, mac);
+	return rc;
+}
+
+static int fun_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos,
+			   __be16 vlan_proto)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct fun_dev *fdev = fp->fdev;
+	struct fun_vport_info *vi = fun_get_vport(fdev, vf);
+	struct fun_adi_param vlan_param = {};
+	int rc;
+
+	if (!vi)
+		return -EINVAL;
+	if (vlan > 4095 || qos > 7)
+		return -EINVAL;
+	if (vlan_proto && vlan_proto != htons(ETH_P_8021Q) &&
+	    vlan_proto != htons(ETH_P_8021AD))
+		return -EINVAL;
+
+	vlan_param.u.vlan = FUN_ADI_VLAN_INIT(be16_to_cpu(vlan_proto),
+					      ((u16)qos << VLAN_PRIO_SHIFT) | vlan);
+	rc = fun_adi_write(fdev, FUN_ADMIN_ADI_ATTR_VLAN, vf + 1, &vlan_param);
+	if (rc)
+		return rc;
+
+	vi->vlan = vlan;
+	vi->qos = qos;
+	vi->vlan_proto = vlan_proto;
+	return 0;
+}
+
+static int fun_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate,
+			   int max_tx_rate)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct fun_dev *fdev = fp->fdev;
+	struct fun_vport_info *vi = fun_get_vport(fdev, vf);
+	struct fun_adi_param rate_param = {};
+	int rc;
+
+	if (!vi || min_tx_rate)
+		return -EINVAL;
+
+	rate_param.u.rate = FUN_ADI_RATE_INIT(max_tx_rate);
+	rc = fun_adi_write(fdev, FUN_ADMIN_ADI_ATTR_RATE, vf + 1, &rate_param);
+	if (rc)
+		return rc;
+
+	vi->max_rate = max_tx_rate;
+	return 0;
+}
+
+int fun_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_info *ivi)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	struct fun_dev *fdev = fp->fdev;
+	const struct fun_vport_info *vi = fun_get_vport(fdev, vf);
+
+	if (!vi)
+		return -EINVAL;
+
+	memset(ivi, 0, sizeof(*ivi));
+	ivi->vf = vf;
+	ether_addr_copy(ivi->mac, vi->mac);
+	ivi->vlan = vi->vlan;
+	ivi->qos = vi->qos;
+	ivi->vlan_proto = vi->vlan_proto;
+	ivi->max_tx_rate = vi->max_rate;
+	ivi->spoofchk = vi->spoofchk;
+	return 0;
+}
+
+static const struct net_device_ops fun_netdev_ops = {
+	.ndo_open		= funeth_open,
+	.ndo_stop		= funeth_close,
+	.ndo_start_xmit		= fun_start_xmit,
+	.ndo_get_stats64	= fun_get_stats64,
+	.ndo_change_mtu		= fun_change_mtu,
+	.ndo_set_mac_address	= fun_set_macaddr,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_do_ioctl		= fun_ioctl,
+	.ndo_uninit		= fun_free_queue_irqs,
+	.ndo_bpf		= fun_xdp,
+	.ndo_xdp_xmit		= fun_xdp_xmit_frames,
+	.ndo_set_vf_mac		= fun_set_vf_mac,
+	.ndo_set_vf_vlan	= fun_set_vf_vlan,
+	.ndo_set_vf_rate	= fun_set_vf_rate,
+	.ndo_get_vf_config	= fun_get_vf_config,
+	.ndo_get_devlink_port	= fun_get_devlink_port,
+};
+
+#define GSO_ENCAP_FLAGS (NETIF_F_GSO_GRE | NETIF_F_GSO_IPXIP4 | \
+			 NETIF_F_GSO_IPXIP6 | NETIF_F_GSO_UDP_TUNNEL | \
+			 NETIF_F_GSO_UDP_TUNNEL_CSUM)
+#define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)
+#define VLAN_FEAT (NETIF_F_SG | NETIF_F_HW_CSUM | TSO_FLAGS | \
+		   GSO_ENCAP_FLAGS | NETIF_F_HIGHDMA)
+
+static void fun_dflt_rss_indir(struct funeth_priv *fp, unsigned int nrx)
+{
+	unsigned int i;
+
+	for (i = 0; i < fp->indir_table_nentries; i++)
+		fp->indir_table[i] = ethtool_rxfh_indir_default(i, nrx);
+}
+
+/* Reset the RSS indirection table to equal distribution across the current
+ * number of Rx queues. Called at init time and whenever the number of Rx
+ * queues changes subsequently. Note that this may also resize the indirection
+ * table.
+ */
+void fun_reset_rss_indir(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+
+	if (!fp->rss_cfg)
+		return;
+
+	/* Set the table size to the max possible that allows an equal number
+	 * of occurrences of each CQ.
+	 */
+	fp->indir_table_nentries = rounddown(FUN_ETH_RSS_MAX_INDIR_ENT,
+					     dev->real_num_rx_queues);
+	fun_dflt_rss_indir(fp, dev->real_num_rx_queues);
+}
+
+/* Allocate the DMA area for the RSS configuration commands to the device, and
+ * initialize the hash, hash key, indirection table size and its entries to
+ * their defaults. The indirection table defaults to equal distribution across
+ * the Rx queues.
+ */
+static int fun_init_rss(struct net_device *dev)
+{
+	struct funeth_priv *fp = netdev_priv(dev);
+	size_t size = sizeof(fp->rss_key) + sizeof(fp->indir_table);
+
+	fp->rss_hw_id = FUN_HCI_ID_INVALID;
+	if (!(fp->port_caps & FUN_PORT_CAP_OFFLOADS))
+		return 0;
+
+	fp->rss_cfg = dma_alloc_coherent(&fp->pdev->dev, size,
+					 &fp->rss_dma_addr, GFP_KERNEL);
+	if (!fp->rss_cfg)
+		return -ENOMEM;
+
+	fp->hash_algo = FUN_ETH_RSS_ALG_TOEPLITZ;
+	netdev_rss_key_fill(fp->rss_key, sizeof(fp->rss_key));
+	fun_reset_rss_indir(dev);
+	return 0;
+}
+
+static void fun_free_rss(struct funeth_priv *fp)
+{
+	if (fp->rss_cfg) {
+		dma_free_coherent(&fp->pdev->dev,
+				  sizeof(fp->rss_key) + sizeof(fp->indir_table),
+				  fp->rss_cfg, fp->rss_dma_addr);
+		fp->rss_cfg = NULL;
+	}
+}
+
+static int fun_init_stats_area(struct funeth_priv *fp)
+{
+	unsigned int nstats;
+
+	if (!(fp->port_caps & FUN_PORT_CAP_STATS))
+		return 0;
+
+	nstats = PORT_MAC_RX_STATS_MAX + PORT_MAC_TX_STATS_MAX +
+		 PORT_MAC_FEC_STATS_MAX;
+
+	fp->stats = dma_alloc_coherent(&fp->pdev->dev, nstats * sizeof(u64),
+				       &fp->stats_dma_addr, GFP_KERNEL);
+	if (!fp->stats)
+		return -ENOMEM;
+	return 0;
+}
+
+static void fun_free_stats_area(struct funeth_priv *fp)
+{
+	unsigned int nstats;
+
+	if (fp->stats) {
+		nstats = PORT_MAC_RX_STATS_MAX + PORT_MAC_TX_STATS_MAX;
+		dma_free_coherent(&fp->pdev->dev, nstats * sizeof(u64),
+				  fp->stats, fp->stats_dma_addr);
+		fp->stats = NULL;
+	}
+}
+
+static int fun_dl_port_register(struct net_device *netdev)
+{
+	struct funeth_priv *fp = netdev_priv(netdev);
+	struct devlink *dl = priv_to_devlink(fp->fdev);
+	struct devlink_port_attrs attrs = {};
+
+	if (fp->port_caps & FUN_PORT_CAP_VPORT) {
+		attrs.flavour = DEVLINK_PORT_FLAVOUR_VIRTUAL;
+	} else {
+		attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
+		attrs.lanes = fp->lane_attrs & 7;
+		if (fp->lane_attrs & FUN_PORT_LANE_SPLIT) {
+			attrs.split = 1;
+			attrs.phys.split_subport_number = fp->lport & 3;
+		}
+	}
+	attrs.phys.port_number = fp->lport;
+
+	devlink_port_attrs_set(&fp->dl_port, &attrs);
+
+	return devlink_port_register(dl, &fp->dl_port, netdev->dev_port);
+}
+
+/* Determine the max Tx/Rx queues for a port. */
+static int fun_max_qs(struct fun_ethdev *ed, unsigned int *ntx,
+		      unsigned int *nrx)
+{
+	int neth;
+
+	if (ed->num_ports > 1 || is_kdump_kernel()) {
+		*ntx = 1;
+		*nrx = 1;
+		return 0;
+	}
+
+	neth = fun_get_res_count(&ed->fdev, FUN_ADMIN_OP_ETH);
+	if (neth < 0)
+		return neth;
+
+	/* We determine the max number of queues based on the CPU
+	 * cores, device interrupts and queues, RSS size, and device Tx flows.
+	 *
+	 * - At least 1 Rx and 1 Tx queues.
+	 * - At most 1 Rx/Tx queue per core.
+	 * - Each Rx/Tx queue needs 1 SQ.
+	 */
+	*ntx = min(ed->nsqs_per_port - 1, num_online_cpus());
+	*nrx = *ntx;
+	if (*ntx > neth)
+		*ntx = neth;
+	if (*nrx > FUN_ETH_RSS_MAX_INDIR_ENT)
+		*nrx = FUN_ETH_RSS_MAX_INDIR_ENT;
+	return 0;
+}
+
+static void fun_queue_defaults(struct net_device *dev, unsigned int nsqs)
+{
+	unsigned int ntx, nrx;
+
+	ntx = min(dev->num_tx_queues, FUN_DFLT_QUEUES);
+	nrx = min(dev->num_rx_queues, FUN_DFLT_QUEUES);
+	if (ntx <= nrx) {
+		ntx = min(ntx, nsqs / 2);
+		nrx = min(nrx, nsqs - ntx);
+	} else {
+		nrx = min(nrx, nsqs / 2);
+		ntx = min(ntx, nsqs - nrx);
+	}
+
+	netif_set_real_num_tx_queues(dev, ntx);
+	netif_set_real_num_rx_queues(dev, nrx);
+}
+
+static int fun_create_netdev(struct fun_ethdev *ed, unsigned int portid)
+{
+	struct fun_dev *fdev = &ed->fdev;
+	struct net_device *netdev;
+	unsigned int ntx, nrx;
+	struct funeth_priv *fp;
+	int rc;
+
+	rc = fun_max_qs(ed, &ntx, &nrx);
+	if (rc)
+		return rc;
+
+	netdev = alloc_etherdev_mqs(sizeof(*fp), ntx, nrx);
+	if (!netdev) {
+		rc = -ENOMEM;
+		goto done;
+	}
+
+	netdev->dev_port = portid;
+	fun_queue_defaults(netdev, ed->nsqs_per_port);
+
+	fp = netdev_priv(netdev);
+	fp->fdev = fdev;
+	fp->pdev = to_pci_dev(fdev->dev);
+	fp->netdev = netdev;
+	fp->msg_enable = msg_enable;
+	fp->ethid_start = portid;
+	seqcount_init(&fp->link_seq);
+
+	fp->lport = INVALID_LPORT;
+	rc = fun_port_create(netdev);
+	if (rc)
+		goto free_netdev;
+
+	/* bind port to admin CQ for async events */
+	rc = fun_bind(fdev, FUN_ADMIN_BIND_TYPE_PORT, portid,
+		      FUN_ADMIN_BIND_TYPE_EPCQ, 0);
+	if (rc)
+		goto destroy_port;
+
+	rc = fun_get_port_attributes(netdev);
+	if (rc)
+		goto destroy_port;
+
+	rc = fun_init_rss(netdev);
+	if (rc)
+		goto destroy_port;
+
+	rc = fun_init_stats_area(fp);
+	if (rc)
+		goto free_rss;
+
+	SET_NETDEV_DEV(netdev, fdev->dev);
+	netdev->netdev_ops = &fun_netdev_ops;
+
+	netdev->hw_features = NETIF_F_SG | NETIF_F_RXHASH | NETIF_F_RXCSUM;
+	if (fp->port_caps & FUN_PORT_CAP_OFFLOADS)
+		netdev->hw_features |= NETIF_F_HW_CSUM | TSO_FLAGS;
+	if (fp->port_caps & FUN_PORT_CAP_ENCAP_OFFLOADS)
+		netdev->hw_features |= GSO_ENCAP_FLAGS;
+
+	netdev->features |= netdev->hw_features | NETIF_F_HIGHDMA;
+	netdev->vlan_features = netdev->features & VLAN_FEAT;
+	netdev->mpls_features = netdev->vlan_features;
+	netdev->hw_enc_features = netdev->hw_features;
+
+	netdev->min_mtu = ETH_MIN_MTU;
+	netdev->max_mtu = FUN_MAX_MTU;
+	netdev->watchdog_timeo = 15 * HZ;
+
+	fun_set_ethtool_ops(netdev);
+
+	/* configurable parameters */
+	fp->sq_depth = min(SQ_DEPTH, fdev->q_depth);
+	fp->cq_depth = min(CQ_DEPTH, fdev->q_depth);
+	fp->rq_depth = min_t(unsigned int, RQ_DEPTH, fdev->q_depth);
+	fp->rx_coal_usec  = CQ_INTCOAL_USEC;
+	fp->rx_coal_count = CQ_INTCOAL_NPKT;
+	fp->tx_coal_usec  = SQ_INTCOAL_USEC;
+	fp->tx_coal_count = SQ_INTCOAL_NPKT;
+	fp->cq_irq_db = FUN_IRQ_CQ_DB(fp->rx_coal_usec, fp->rx_coal_count);
+
+	rc = fun_dl_port_register(netdev);
+	if (rc)
+		goto free_stats;
+
+	fp->ktls_id = FUN_HCI_ID_INVALID;
+	fun_ktls_init(netdev);            /* optional, failure OK */
+
+	netif_carrier_off(netdev);
+	ed->netdevs[portid] = netdev;
+	rc = register_netdev(netdev);
+	if (rc)
+		goto unreg_devlink;
+
+	if (fp->dl_port.devlink)
+		devlink_port_type_eth_set(&fp->dl_port, netdev);
+
+	return 0;
+
+unreg_devlink:
+	ed->netdevs[portid] = NULL;
+	fun_ktls_cleanup(fp);
+	if (fp->dl_port.devlink)
+		devlink_port_unregister(&fp->dl_port);
+free_stats:
+	fun_free_stats_area(fp);
+free_rss:
+	fun_free_rss(fp);
+destroy_port:
+	fun_port_destroy(netdev);
+free_netdev:
+	free_netdev(netdev);
+done:
+	dev_err(fdev->dev, "couldn't allocate port %u, error %d", portid, rc);
+	return rc;
+}
+
+static void fun_destroy_netdev(struct net_device *netdev)
+{
+	if (likely(netdev)) {
+		struct funeth_priv *fp = netdev_priv(netdev);
+
+		if (fp->dl_port.devlink) {
+			devlink_port_type_clear(&fp->dl_port);
+			devlink_port_unregister(&fp->dl_port);
+		}
+		unregister_netdev(netdev);
+		fun_ktls_cleanup(fp);
+		fun_free_stats_area(fp);
+		fun_free_rss(fp);
+		fun_port_destroy(netdev);
+		free_netdev(netdev);
+	}
+}
+
+static int fun_create_ports(struct fun_ethdev *ed, unsigned int nports)
+{
+	struct fun_dev *fd = &ed->fdev;
+	int i, rc;
+
+	/* The admin queue takes 1 IRQ and 2 SQs. */
+	ed->nsqs_per_port = min(fd->num_irqs - 1,
+				fd->kern_end_qid - 2) / nports;
+	if (ed->nsqs_per_port < 2) {
+		dev_err(fd->dev, "Too few SQs for %u ports", nports);
+		return -EINVAL;
+	}
+
+	ed->netdevs = kcalloc(nports, sizeof(*ed->netdevs), GFP_KERNEL);
+	if (!ed->netdevs)
+		return -ENOMEM;
+
+	ed->num_ports = nports;
+	for (i = 0; i < nports; i++) {
+		rc = fun_create_netdev(ed, i);
+		if (rc)
+			goto free_netdevs;
+	}
+
+	return 0;
+
+free_netdevs:
+	while (i)
+		fun_destroy_netdev(ed->netdevs[--i]);
+	kfree(ed->netdevs);
+	ed->netdevs = NULL;
+	ed->num_ports = 0;
+	return rc;
+}
+
+static void fun_destroy_ports(struct fun_ethdev *ed)
+{
+	unsigned int i;
+
+	for (i = 0; i < ed->num_ports; i++)
+		fun_destroy_netdev(ed->netdevs[i]);
+
+	kfree(ed->netdevs);
+	ed->netdevs = NULL;
+	ed->num_ports = 0;
+}
+
+static void fun_update_link_state(const struct fun_ethdev *ed,
+				  const struct fun_admin_port_notif *notif)
+{
+	unsigned int port_idx = be16_to_cpu(notif->id);
+	struct net_device *netdev;
+	struct funeth_priv *fp;
+
+	if (port_idx >= ed->num_ports)
+		return;
+
+	netdev = ed->netdevs[port_idx];
+	fp = netdev_priv(netdev);
+
+	write_seqcount_begin(&fp->link_seq);
+	fp->link_speed = be32_to_cpu(notif->speed) * 10;  /* 10 Mbps->Mbps */
+	fp->active_fc = notif->flow_ctrl;
+	fp->active_fec = notif->fec;
+	fp->xcvr_type = notif->xcvr_type;
+	fp->link_down_reason = notif->link_down_reason;
+	fp->lp_advertising = be64_to_cpu(notif->lp_advertising);
+
+	if ((notif->link_state | notif->missed_events) & FUN_PORT_FLAG_MAC_DOWN)
+		netif_carrier_off(netdev);
+	if (notif->link_state & FUN_PORT_FLAG_NH_DOWN)
+		netif_dormant_on(netdev);
+	if (notif->link_state & FUN_PORT_FLAG_NH_UP)
+		netif_dormant_off(netdev);
+	if (notif->link_state & FUN_PORT_FLAG_MAC_UP)
+		netif_carrier_on(netdev);
+
+	write_seqcount_end(&fp->link_seq);
+	fun_report_link(netdev);
+}
+
+/* handler for async events delivered through the admin CQ */
+static void fun_event_cb(struct fun_dev *fdev, void *entry)
+{
+	u8 op = ((struct fun_admin_rsp_common *)entry)->op;
+
+	if (op == FUN_ADMIN_OP_PORT) {
+		const struct fun_admin_port_notif *rsp = entry;
+
+		if (rsp->subop == FUN_ADMIN_SUBOP_NOTIFY) {
+			fun_update_link_state(to_fun_ethdev(fdev), rsp);
+		} else if (rsp->subop == FUN_ADMIN_SUBOP_RES_COUNT) {
+			const struct fun_admin_res_count_rsp *r = entry;
+
+			if (r->count.data)
+				set_bit(FUN_SERV_RES_CHANGE, &fdev->service_flags);
+			else
+				set_bit(FUN_SERV_DEL_PORTS, &fdev->service_flags);
+			fun_serv_sched(fdev);
+		} else {
+			dev_info(fdev->dev, "adminq event unexpected op %u subop %u",
+				 op, rsp->subop);
+		}
+	} else {
+		dev_info(fdev->dev, "adminq event unexpected op %u", op);
+	}
+}
+
+/* handler for pending work managed by the service task */
+static void fun_service_cb(struct fun_dev *fdev)
+{
+	struct fun_ethdev *ed = to_fun_ethdev(fdev);
+	int rc;
+
+	if (test_and_clear_bit(FUN_SERV_DEL_PORTS, &fdev->service_flags))
+		fun_destroy_ports(ed);
+
+	if (!test_and_clear_bit(FUN_SERV_RES_CHANGE, &fdev->service_flags))
+		return;
+
+	rc = fun_get_res_count(fdev, FUN_ADMIN_OP_PORT);
+	if (rc < 0 || rc == ed->num_ports)
+		return;
+
+	if (ed->num_ports)
+		fun_destroy_ports(ed);
+	if (rc)
+		fun_create_ports(ed, rc);
+}
+
+static int funeth_sriov_configure(struct pci_dev *pdev, int nvfs)
+{
+	struct fun_dev *fdev = pci_get_drvdata(pdev);
+	struct fun_ethdev *ed = to_fun_ethdev(fdev);
+	int rc;
+
+	if (nvfs == 0) {
+		if (pci_vfs_assigned(pdev)) {
+			dev_warn(&pdev->dev,
+				 "Cannot disable SR-IOV while VFs are assigned\n");
+			return -EPERM;
+		}
+
+		pci_disable_sriov(pdev);
+		fun_free_vports(ed);
+		return 0;
+	}
+
+	rc = fun_init_vports(ed, nvfs);
+	if (rc)
+		return rc;
+
+	rc = pci_enable_sriov(pdev, nvfs);
+	if (rc) {
+		fun_free_vports(ed);
+		return rc;
+	}
+
+	return nvfs;
+}
+
+static int funeth_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	struct devlink *devlink;
+	struct fun_ethdev *ed;
+	struct fun_dev *fdev;
+	int rc;
+
+	struct fun_dev_params aqreq = {
+		.cqe_size_log2 = ilog2(ADMIN_CQE_SIZE),
+		.sqe_size_log2 = ilog2(ADMIN_SQE_SIZE),
+		.cq_depth      = ADMIN_CQ_DEPTH,
+		.sq_depth      = ADMIN_SQ_DEPTH,
+		.rq_depth      = ADMIN_RQ_DEPTH,
+		.min_msix      = 2,              /* 1 Rx + 1 Tx */
+		.event_cb      = fun_event_cb,
+		.serv_cb       = fun_service_cb,
+	};
+
+	devlink = fun_devlink_alloc(&pdev->dev);
+	if (!devlink) {
+		dev_err(&pdev->dev, "devlink alloc failed\n");
+		return -ENOMEM;
+	}
+
+	ed = devlink_priv(devlink);
+
+	fdev = &ed->fdev;
+	rc = fun_dev_enable(fdev, pdev, &aqreq, KBUILD_MODNAME);
+	if (rc)
+		goto free_devlink;
+
+	rc = fun_get_res_count(fdev, FUN_ADMIN_OP_PORT);
+	if (rc > 0)
+		rc = fun_create_ports(ed, rc);
+	if (rc < 0)
+		goto disable_dev;
+
+	fun_serv_restart(fdev);
+	fun_devlink_register(devlink);
+	return 0;
+
+disable_dev:
+	fun_dev_disable(fdev);
+free_devlink:
+	fun_devlink_free(devlink);
+	return rc;
+}
+
+static void __funeth_remove(struct pci_dev *pdev)
+{
+	struct fun_dev *fdev = pci_get_drvdata(pdev);
+	struct devlink *devlink;
+	struct fun_ethdev *ed;
+
+	if (!fdev)
+		return;
+
+	ed = to_fun_ethdev(fdev);
+	devlink = priv_to_devlink(ed);
+	fun_devlink_unregister(devlink);
+
+#ifdef CONFIG_PCI_IOV
+	funeth_sriov_configure(pdev, 0);
+#endif
+
+	fun_serv_stop(fdev);
+	fun_destroy_ports(ed);
+	fun_dev_disable(fdev);
+
+	fun_devlink_free(devlink);
+}
+
+static void funeth_remove(struct pci_dev *pdev)
+{
+	__funeth_remove(pdev);
+}
+
+static void funeth_shutdown(struct pci_dev *pdev)
+{
+	__funeth_remove(pdev);
+}
+
+static struct pci_driver funeth_driver = {
+	.name		 = KBUILD_MODNAME,
+	.id_table	 = funeth_id_table,
+	.probe		 = funeth_probe,
+	.remove		 = funeth_remove,
+	.shutdown	 = funeth_shutdown,
+	.sriov_configure = funeth_sriov_configure,
+};
+
+static int __init funeth_init(void)
+{
+	int ret;
+
+	ret = pci_register_driver(&funeth_driver);
+	if (ret) {
+		pr_err("%s pci_register_driver failed ret %d\n",
+		       KBUILD_MODNAME, ret);
+	}
+	return ret;
+}
+
+static void __exit funeth_exit(void)
+{
+	pci_unregister_driver(&funeth_driver);
+}
+
+module_init(funeth_init);
+module_exit(funeth_exit);
+
+MODULE_AUTHOR("Dimitris Michailidis <dmichail@fungible.com>");
+MODULE_DESCRIPTION("Fungible Ethernet Network Driver");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DEVICE_TABLE(pci, funeth_id_table);
