Merging upstream version 4.19.282.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 820 deletions

diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c
deleted file mode 100644
index 69efe0aec..000000000
--- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c
+++ /dev/null
@@ -1,820 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2013 - 2018 Intel Corporation. */
-
-/* ethtool support for i40evf */
-#include "i40evf.h"
-
-#include <linux/uaccess.h>
-
-struct i40evf_stats {
-	char stat_string[ETH_GSTRING_LEN];
-	int stat_offset;
-};
-
-#define I40EVF_STAT(_name, _stat) { \
-	.stat_string = _name, \
-	.stat_offset = offsetof(struct i40evf_adapter, _stat) \
-}
-
-/* All stats are u64, so we don't need to track the size of the field. */
-static const struct i40evf_stats i40evf_gstrings_stats[] = {
-	I40EVF_STAT("rx_bytes", current_stats.rx_bytes),
-	I40EVF_STAT("rx_unicast", current_stats.rx_unicast),
-	I40EVF_STAT("rx_multicast", current_stats.rx_multicast),
-	I40EVF_STAT("rx_broadcast", current_stats.rx_broadcast),
-	I40EVF_STAT("rx_discards", current_stats.rx_discards),
-	I40EVF_STAT("rx_unknown_protocol", current_stats.rx_unknown_protocol),
-	I40EVF_STAT("tx_bytes", current_stats.tx_bytes),
-	I40EVF_STAT("tx_unicast", current_stats.tx_unicast),
-	I40EVF_STAT("tx_multicast", current_stats.tx_multicast),
-	I40EVF_STAT("tx_broadcast", current_stats.tx_broadcast),
-	I40EVF_STAT("tx_discards", current_stats.tx_discards),
-	I40EVF_STAT("tx_errors", current_stats.tx_errors),
-};
-
-#define I40EVF_GLOBAL_STATS_LEN ARRAY_SIZE(i40evf_gstrings_stats)
-#define I40EVF_QUEUE_STATS_LEN(_dev) \
-	(((struct i40evf_adapter *)\
-		netdev_priv(_dev))->num_active_queues \
-		  * 2 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
-#define I40EVF_STATS_LEN(_dev) \
-	(I40EVF_GLOBAL_STATS_LEN + I40EVF_QUEUE_STATS_LEN(_dev))
-
-/* For now we have one and only one private flag and it is only defined
- * when we have support for the SKIP_CPU_SYNC DMA attribute.  Instead
- * of leaving all this code sitting around empty we will strip it unless
- * our one private flag is actually available.
- */
-struct i40evf_priv_flags {
-	char flag_string[ETH_GSTRING_LEN];
-	u32 flag;
-	bool read_only;
-};
-
-#define I40EVF_PRIV_FLAG(_name, _flag, _read_only) { \
-	.flag_string = _name, \
-	.flag = _flag, \
-	.read_only = _read_only, \
-}
-
-static const struct i40evf_priv_flags i40evf_gstrings_priv_flags[] = {
-	I40EVF_PRIV_FLAG("legacy-rx", I40EVF_FLAG_LEGACY_RX, 0),
-};
-
-#define I40EVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40evf_gstrings_priv_flags)
-
-/**
- * i40evf_get_link_ksettings - Get Link Speed and Duplex settings
- * @netdev: network interface device structure
- * @cmd: ethtool command
- *
- * Reports speed/duplex settings. Because this is a VF, we don't know what
- * kind of link we really have, so we fake it.
- **/
-static int i40evf_get_link_ksettings(struct net_device *netdev,
-				     struct ethtool_link_ksettings *cmd)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	ethtool_link_ksettings_zero_link_mode(cmd, supported);
-	cmd->base.autoneg = AUTONEG_DISABLE;
-	cmd->base.port = PORT_NONE;
-	/* Set speed and duplex */
-	switch (adapter->link_speed) {
-	case I40E_LINK_SPEED_40GB:
-		cmd->base.speed = SPEED_40000;
-		break;
-	case I40E_LINK_SPEED_25GB:
-#ifdef SPEED_25000
-		cmd->base.speed = SPEED_25000;
-#else
-		netdev_info(netdev,
-			    "Speed is 25G, display not supported by this version of ethtool.\n");
-#endif
-		break;
-	case I40E_LINK_SPEED_20GB:
-		cmd->base.speed = SPEED_20000;
-		break;
-	case I40E_LINK_SPEED_10GB:
-		cmd->base.speed = SPEED_10000;
-		break;
-	case I40E_LINK_SPEED_1GB:
-		cmd->base.speed = SPEED_1000;
-		break;
-	case I40E_LINK_SPEED_100MB:
-		cmd->base.speed = SPEED_100;
-		break;
-	default:
-		break;
-	}
-	cmd->base.duplex = DUPLEX_FULL;
-
-	return 0;
-}
-
-/**
- * i40evf_get_sset_count - Get length of string set
- * @netdev: network interface device structure
- * @sset: id of string set
- *
- * Reports size of string table. This driver only supports
- * strings for statistics.
- **/
-static int i40evf_get_sset_count(struct net_device *netdev, int sset)
-{
-	if (sset == ETH_SS_STATS)
-		return I40EVF_STATS_LEN(netdev);
-	else if (sset == ETH_SS_PRIV_FLAGS)
-		return I40EVF_PRIV_FLAGS_STR_LEN;
-	else
-		return -EINVAL;
-}
-
-/**
- * i40evf_get_ethtool_stats - report device statistics
- * @netdev: network interface device structure
- * @stats: ethtool statistics structure
- * @data: pointer to data buffer
- *
- * All statistics are added to the data buffer as an array of u64.
- **/
-static void i40evf_get_ethtool_stats(struct net_device *netdev,
-				     struct ethtool_stats *stats, u64 *data)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	unsigned int i, j;
-	char *p;
-
-	for (i = 0; i < I40EVF_GLOBAL_STATS_LEN; i++) {
-		p = (char *)adapter + i40evf_gstrings_stats[i].stat_offset;
-		data[i] =  *(u64 *)p;
-	}
-	for (j = 0; j < adapter->num_active_queues; j++) {
-		data[i++] = adapter->tx_rings[j].stats.packets;
-		data[i++] = adapter->tx_rings[j].stats.bytes;
-	}
-	for (j = 0; j < adapter->num_active_queues; j++) {
-		data[i++] = adapter->rx_rings[j].stats.packets;
-		data[i++] = adapter->rx_rings[j].stats.bytes;
-	}
-}
-
-/**
- * i40evf_get_strings - Get string set
- * @netdev: network interface device structure
- * @sset: id of string set
- * @data: buffer for string data
- *
- * Builds stats string table.
- **/
-static void i40evf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	u8 *p = data;
-	int i;
-
-	if (sset == ETH_SS_STATS) {
-		for (i = 0; i < (int)I40EVF_GLOBAL_STATS_LEN; i++) {
-			memcpy(p, i40evf_gstrings_stats[i].stat_string,
-			       ETH_GSTRING_LEN);
-			p += ETH_GSTRING_LEN;
-		}
-		for (i = 0; i < adapter->num_active_queues; i++) {
-			snprintf(p, ETH_GSTRING_LEN, "tx-%u.packets", i);
-			p += ETH_GSTRING_LEN;
-			snprintf(p, ETH_GSTRING_LEN, "tx-%u.bytes", i);
-			p += ETH_GSTRING_LEN;
-		}
-		for (i = 0; i < adapter->num_active_queues; i++) {
-			snprintf(p, ETH_GSTRING_LEN, "rx-%u.packets", i);
-			p += ETH_GSTRING_LEN;
-			snprintf(p, ETH_GSTRING_LEN, "rx-%u.bytes", i);
-			p += ETH_GSTRING_LEN;
-		}
-	} else if (sset == ETH_SS_PRIV_FLAGS) {
-		for (i = 0; i < I40EVF_PRIV_FLAGS_STR_LEN; i++) {
-			snprintf(p, ETH_GSTRING_LEN, "%s",
-				 i40evf_gstrings_priv_flags[i].flag_string);
-			p += ETH_GSTRING_LEN;
-		}
-	}
-}
-
-/**
- * i40evf_get_priv_flags - report device private flags
- * @netdev: network interface device structure
- *
- * The get string set count and the string set should be matched for each
- * flag returned.  Add new strings for each flag to the i40e_gstrings_priv_flags
- * array.
- *
- * Returns a u32 bitmap of flags.
- **/
-static u32 i40evf_get_priv_flags(struct net_device *netdev)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	u32 i, ret_flags = 0;
-
-	for (i = 0; i < I40EVF_PRIV_FLAGS_STR_LEN; i++) {
-		const struct i40evf_priv_flags *priv_flags;
-
-		priv_flags = &i40evf_gstrings_priv_flags[i];
-
-		if (priv_flags->flag & adapter->flags)
-			ret_flags |= BIT(i);
-	}
-
-	return ret_flags;
-}
-
-/**
- * i40evf_set_priv_flags - set private flags
- * @netdev: network interface device structure
- * @flags: bit flags to be set
- **/
-static int i40evf_set_priv_flags(struct net_device *netdev, u32 flags)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	u32 orig_flags, new_flags, changed_flags;
-	u32 i;
-
-	orig_flags = READ_ONCE(adapter->flags);
-	new_flags = orig_flags;
-
-	for (i = 0; i < I40EVF_PRIV_FLAGS_STR_LEN; i++) {
-		const struct i40evf_priv_flags *priv_flags;
-
-		priv_flags = &i40evf_gstrings_priv_flags[i];
-
-		if (flags & BIT(i))
-			new_flags |= priv_flags->flag;
-		else
-			new_flags &= ~(priv_flags->flag);
-
-		if (priv_flags->read_only &&
-		    ((orig_flags ^ new_flags) & ~BIT(i)))
-			return -EOPNOTSUPP;
-	}
-
-	/* Before we finalize any flag changes, any checks which we need to
-	 * perform to determine if the new flags will be supported should go
-	 * here...
-	 */
-
-	/* Compare and exchange the new flags into place. If we failed, that
-	 * is if cmpxchg returns anything but the old value, this means
-	 * something else must have modified the flags variable since we
-	 * copied it. We'll just punt with an error and log something in the
-	 * message buffer.
-	 */
-	if (cmpxchg(&adapter->flags, orig_flags, new_flags) != orig_flags) {
-		dev_warn(&adapter->pdev->dev,
-			 "Unable to update adapter->flags as it was modified by another thread...\n");
-		return -EAGAIN;
-	}
-
-	changed_flags = orig_flags ^ new_flags;
-
-	/* Process any additional changes needed as a result of flag changes.
-	 * The changed_flags value reflects the list of bits that were changed
-	 * in the code above.
-	 */
-
-	/* issue a reset to force legacy-rx change to take effect */
-	if (changed_flags & I40EVF_FLAG_LEGACY_RX) {
-		if (netif_running(netdev)) {
-			adapter->flags |= I40EVF_FLAG_RESET_NEEDED;
-			schedule_work(&adapter->reset_task);
-		}
-	}
-
-	return 0;
-}
-
-/**
- * i40evf_get_msglevel - Get debug message level
- * @netdev: network interface device structure
- *
- * Returns current debug message level.
- **/
-static u32 i40evf_get_msglevel(struct net_device *netdev)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	return adapter->msg_enable;
-}
-
-/**
- * i40evf_set_msglevel - Set debug message level
- * @netdev: network interface device structure
- * @data: message level
- *
- * Set current debug message level. Higher values cause the driver to
- * be noisier.
- **/
-static void i40evf_set_msglevel(struct net_device *netdev, u32 data)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	if (I40E_DEBUG_USER & data)
-		adapter->hw.debug_mask = data;
-	adapter->msg_enable = data;
-}
-
-/**
- * i40evf_get_drvinfo - Get driver info
- * @netdev: network interface device structure
- * @drvinfo: ethool driver info structure
- *
- * Returns information about the driver and device for display to the user.
- **/
-static void i40evf_get_drvinfo(struct net_device *netdev,
-			       struct ethtool_drvinfo *drvinfo)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	strlcpy(drvinfo->driver, i40evf_driver_name, 32);
-	strlcpy(drvinfo->version, i40evf_driver_version, 32);
-	strlcpy(drvinfo->fw_version, "N/A", 4);
-	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
-	drvinfo->n_priv_flags = I40EVF_PRIV_FLAGS_STR_LEN;
-}
-
-/**
- * i40evf_get_ringparam - Get ring parameters
- * @netdev: network interface device structure
- * @ring: ethtool ringparam structure
- *
- * Returns current ring parameters. TX and RX rings are reported separately,
- * but the number of rings is not reported.
- **/
-static void i40evf_get_ringparam(struct net_device *netdev,
-				 struct ethtool_ringparam *ring)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	ring->rx_max_pending = I40EVF_MAX_RXD;
-	ring->tx_max_pending = I40EVF_MAX_TXD;
-	ring->rx_pending = adapter->rx_desc_count;
-	ring->tx_pending = adapter->tx_desc_count;
-}
-
-/**
- * i40evf_set_ringparam - Set ring parameters
- * @netdev: network interface device structure
- * @ring: ethtool ringparam structure
- *
- * Sets ring parameters. TX and RX rings are controlled separately, but the
- * number of rings is not specified, so all rings get the same settings.
- **/
-static int i40evf_set_ringparam(struct net_device *netdev,
-				struct ethtool_ringparam *ring)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	u32 new_rx_count, new_tx_count;
-
-	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
-		return -EINVAL;
-
-	new_tx_count = clamp_t(u32, ring->tx_pending,
-			       I40EVF_MIN_TXD,
-			       I40EVF_MAX_TXD);
-	new_tx_count = ALIGN(new_tx_count, I40EVF_REQ_DESCRIPTOR_MULTIPLE);
-
-	new_rx_count = clamp_t(u32, ring->rx_pending,
-			       I40EVF_MIN_RXD,
-			       I40EVF_MAX_RXD);
-	new_rx_count = ALIGN(new_rx_count, I40EVF_REQ_DESCRIPTOR_MULTIPLE);
-
-	/* if nothing to do return success */
-	if ((new_tx_count == adapter->tx_desc_count) &&
-	    (new_rx_count == adapter->rx_desc_count))
-		return 0;
-
-	adapter->tx_desc_count = new_tx_count;
-	adapter->rx_desc_count = new_rx_count;
-
-	if (netif_running(netdev)) {
-		adapter->flags |= I40EVF_FLAG_RESET_NEEDED;
-		schedule_work(&adapter->reset_task);
-	}
-
-	return 0;
-}
-
-/**
- * __i40evf_get_coalesce - get per-queue coalesce settings
- * @netdev: the netdev to check
- * @ec: ethtool coalesce data structure
- * @queue: which queue to pick
- *
- * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
- * are per queue. If queue is <0 then we default to queue 0 as the
- * representative value.
- **/
-static int __i40evf_get_coalesce(struct net_device *netdev,
-				 struct ethtool_coalesce *ec,
-				 int queue)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	struct i40e_vsi *vsi = &adapter->vsi;
-	struct i40e_ring *rx_ring, *tx_ring;
-
-	ec->tx_max_coalesced_frames = vsi->work_limit;
-	ec->rx_max_coalesced_frames = vsi->work_limit;
-
-	/* Rx and Tx usecs per queue value. If user doesn't specify the
-	 * queue, return queue 0's value to represent.
-	 */
-	if (queue < 0)
-		queue = 0;
-	else if (queue >= adapter->num_active_queues)
-		return -EINVAL;
-
-	rx_ring = &adapter->rx_rings[queue];
-	tx_ring = &adapter->tx_rings[queue];
-
-	if (ITR_IS_DYNAMIC(rx_ring->itr_setting))
-		ec->use_adaptive_rx_coalesce = 1;
-
-	if (ITR_IS_DYNAMIC(tx_ring->itr_setting))
-		ec->use_adaptive_tx_coalesce = 1;
-
-	ec->rx_coalesce_usecs = rx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
-	ec->tx_coalesce_usecs = tx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
-
-	return 0;
-}
-
-/**
- * i40evf_get_coalesce - Get interrupt coalescing settings
- * @netdev: network interface device structure
- * @ec: ethtool coalesce structure
- *
- * Returns current coalescing settings. This is referred to elsewhere in the
- * driver as Interrupt Throttle Rate, as this is how the hardware describes
- * this functionality. Note that if per-queue settings have been modified this
- * only represents the settings of queue 0.
- **/
-static int i40evf_get_coalesce(struct net_device *netdev,
-			       struct ethtool_coalesce *ec)
-{
-	return __i40evf_get_coalesce(netdev, ec, -1);
-}
-
-/**
- * i40evf_get_per_queue_coalesce - get coalesce values for specific queue
- * @netdev: netdev to read
- * @ec: coalesce settings from ethtool
- * @queue: the queue to read
- *
- * Read specific queue's coalesce settings.
- **/
-static int i40evf_get_per_queue_coalesce(struct net_device *netdev,
-					 u32 queue,
-					 struct ethtool_coalesce *ec)
-{
-	return __i40evf_get_coalesce(netdev, ec, queue);
-}
-
-/**
- * i40evf_set_itr_per_queue - set ITR values for specific queue
- * @adapter: the VF adapter struct to set values for
- * @ec: coalesce settings from ethtool
- * @queue: the queue to modify
- *
- * Change the ITR settings for a specific queue.
- **/
-static void i40evf_set_itr_per_queue(struct i40evf_adapter *adapter,
-				     struct ethtool_coalesce *ec,
-				     int queue)
-{
-	struct i40e_ring *rx_ring = &adapter->rx_rings[queue];
-	struct i40e_ring *tx_ring = &adapter->tx_rings[queue];
-	struct i40e_q_vector *q_vector;
-
-	rx_ring->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs);
-	tx_ring->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs);
-
-	rx_ring->itr_setting |= I40E_ITR_DYNAMIC;
-	if (!ec->use_adaptive_rx_coalesce)
-		rx_ring->itr_setting ^= I40E_ITR_DYNAMIC;
-
-	tx_ring->itr_setting |= I40E_ITR_DYNAMIC;
-	if (!ec->use_adaptive_tx_coalesce)
-		tx_ring->itr_setting ^= I40E_ITR_DYNAMIC;
-
-	q_vector = rx_ring->q_vector;
-	q_vector->rx.target_itr = ITR_TO_REG(rx_ring->itr_setting);
-
-	q_vector = tx_ring->q_vector;
-	q_vector->tx.target_itr = ITR_TO_REG(tx_ring->itr_setting);
-
-	/* The interrupt handler itself will take care of programming
-	 * the Tx and Rx ITR values based on the values we have entered
-	 * into the q_vector, no need to write the values now.
-	 */
-}
-
-/**
- * __i40evf_set_coalesce - set coalesce settings for particular queue
- * @netdev: the netdev to change
- * @ec: ethtool coalesce settings
- * @queue: the queue to change
- *
- * Sets the coalesce settings for a particular queue.
- **/
-static int __i40evf_set_coalesce(struct net_device *netdev,
-				 struct ethtool_coalesce *ec,
-				 int queue)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	struct i40e_vsi *vsi = &adapter->vsi;
-	int i;
-
-	if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
-		vsi->work_limit = ec->tx_max_coalesced_frames_irq;
-
-	if (ec->rx_coalesce_usecs == 0) {
-		if (ec->use_adaptive_rx_coalesce)
-			netif_info(adapter, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
-	} else if ((ec->rx_coalesce_usecs < I40E_MIN_ITR) ||
-		   (ec->rx_coalesce_usecs > I40E_MAX_ITR)) {
-		netif_info(adapter, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
-		return -EINVAL;
-	}
-
-	else
-	if (ec->tx_coalesce_usecs == 0) {
-		if (ec->use_adaptive_tx_coalesce)
-			netif_info(adapter, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
-	} else if ((ec->tx_coalesce_usecs < I40E_MIN_ITR) ||
-		   (ec->tx_coalesce_usecs > I40E_MAX_ITR)) {
-		netif_info(adapter, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
-		return -EINVAL;
-	}
-
-	/* Rx and Tx usecs has per queue value. If user doesn't specify the
-	 * queue, apply to all queues.
-	 */
-	if (queue < 0) {
-		for (i = 0; i < adapter->num_active_queues; i++)
-			i40evf_set_itr_per_queue(adapter, ec, i);
-	} else if (queue < adapter->num_active_queues) {
-		i40evf_set_itr_per_queue(adapter, ec, queue);
-	} else {
-		netif_info(adapter, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
-			   adapter->num_active_queues - 1);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/**
- * i40evf_set_coalesce - Set interrupt coalescing settings
- * @netdev: network interface device structure
- * @ec: ethtool coalesce structure
- *
- * Change current coalescing settings for every queue.
- **/
-static int i40evf_set_coalesce(struct net_device *netdev,
-			       struct ethtool_coalesce *ec)
-{
-	return __i40evf_set_coalesce(netdev, ec, -1);
-}
-
-/**
- * i40evf_set_per_queue_coalesce - set specific queue's coalesce settings
- * @netdev: the netdev to change
- * @ec: ethtool's coalesce settings
- * @queue: the queue to modify
- *
- * Modifies a specific queue's coalesce settings.
- */
-static int i40evf_set_per_queue_coalesce(struct net_device *netdev,
-					 u32 queue,
-					 struct ethtool_coalesce *ec)
-{
-	return __i40evf_set_coalesce(netdev, ec, queue);
-}
-
-/**
- * i40evf_get_rxnfc - command to get RX flow classification rules
- * @netdev: network interface device structure
- * @cmd: ethtool rxnfc command
- * @rule_locs: pointer to store rule locations
- *
- * Returns Success if the command is supported.
- **/
-static int i40evf_get_rxnfc(struct net_device *netdev,
-			    struct ethtool_rxnfc *cmd,
-			    u32 *rule_locs)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	int ret = -EOPNOTSUPP;
-
-	switch (cmd->cmd) {
-	case ETHTOOL_GRXRINGS:
-		cmd->data = adapter->num_active_queues;
-		ret = 0;
-		break;
-	case ETHTOOL_GRXFH:
-		netdev_info(netdev,
-			    "RSS hash info is not available to vf, use pf.\n");
-		break;
-	default:
-		break;
-	}
-
-	return ret;
-}
-/**
- * i40evf_get_channels: get the number of channels supported by the device
- * @netdev: network interface device structure
- * @ch: channel information structure
- *
- * For the purposes of our device, we only use combined channels, i.e. a tx/rx
- * queue pair. Report one extra channel to match our "other" MSI-X vector.
- **/
-static void i40evf_get_channels(struct net_device *netdev,
-				struct ethtool_channels *ch)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	/* Report maximum channels */
-	ch->max_combined = I40EVF_MAX_REQ_QUEUES;
-
-	ch->max_other = NONQ_VECS;
-	ch->other_count = NONQ_VECS;
-
-	ch->combined_count = adapter->num_active_queues;
-}
-
-/**
- * i40evf_set_channels: set the new channel count
- * @netdev: network interface device structure
- * @ch: channel information structure
- *
- * Negotiate a new number of channels with the PF then do a reset.  During
- * reset we'll realloc queues and fix the RSS table.  Returns 0 on success,
- * negative on failure.
- **/
-static int i40evf_set_channels(struct net_device *netdev,
-			       struct ethtool_channels *ch)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	int num_req = ch->combined_count;
-
-	if (num_req != adapter->num_active_queues &&
-	    !(adapter->vf_res->vf_cap_flags &
-	      VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)) {
-		dev_info(&adapter->pdev->dev, "PF is not capable of queue negotiation.\n");
-		return -EINVAL;
-	}
-
-	if ((adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADQ) &&
-	    adapter->num_tc) {
-		dev_info(&adapter->pdev->dev, "Cannot set channels since ADq is enabled.\n");
-		return -EINVAL;
-	}
-
-	/* All of these should have already been checked by ethtool before this
-	 * even gets to us, but just to be sure.
-	 */
-	if (num_req <= 0 || num_req > I40EVF_MAX_REQ_QUEUES)
-		return -EINVAL;
-
-	if (ch->rx_count || ch->tx_count || ch->other_count != NONQ_VECS)
-		return -EINVAL;
-
-	adapter->num_req_queues = num_req;
-	return i40evf_request_queues(adapter, num_req);
-}
-
-/**
- * i40evf_get_rxfh_key_size - get the RSS hash key size
- * @netdev: network interface device structure
- *
- * Returns the table size.
- **/
-static u32 i40evf_get_rxfh_key_size(struct net_device *netdev)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	return adapter->rss_key_size;
-}
-
-/**
- * i40evf_get_rxfh_indir_size - get the rx flow hash indirection table size
- * @netdev: network interface device structure
- *
- * Returns the table size.
- **/
-static u32 i40evf_get_rxfh_indir_size(struct net_device *netdev)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-
-	return adapter->rss_lut_size;
-}
-
-/**
- * i40evf_get_rxfh - get the rx flow hash indirection table
- * @netdev: network interface device structure
- * @indir: indirection table
- * @key: hash key
- * @hfunc: hash function in use
- *
- * Reads the indirection table directly from the hardware. Always returns 0.
- **/
-static int i40evf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
-			   u8 *hfunc)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	u16 i;
-
-	if (hfunc)
-		*hfunc = ETH_RSS_HASH_TOP;
-	if (!indir)
-		return 0;
-
-	memcpy(key, adapter->rss_key, adapter->rss_key_size);
-
-	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
-	for (i = 0; i < adapter->rss_lut_size; i++)
-		indir[i] = (u32)adapter->rss_lut[i];
-
-	return 0;
-}
-
-/**
- * i40evf_set_rxfh - set the rx flow hash indirection table
- * @netdev: network interface device structure
- * @indir: indirection table
- * @key: hash key
- * @hfunc: hash function to use
- *
- * Returns -EINVAL if the table specifies an inavlid queue id, otherwise
- * returns 0 after programming the table.
- **/
-static int i40evf_set_rxfh(struct net_device *netdev, const u32 *indir,
-			   const u8 *key, const u8 hfunc)
-{
-	struct i40evf_adapter *adapter = netdev_priv(netdev);
-	u16 i;
-
-	/* We do not allow change in unsupported parameters */
-	if (key ||
-	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
-		return -EOPNOTSUPP;
-	if (!indir)
-		return 0;
-
-	if (key) {
-		memcpy(adapter->rss_key, key, adapter->rss_key_size);
-	}
-
-	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
-	for (i = 0; i < adapter->rss_lut_size; i++)
-		adapter->rss_lut[i] = (u8)(indir[i]);
-
-	return i40evf_config_rss(adapter);
-}
-
-static const struct ethtool_ops i40evf_ethtool_ops = {
-	.get_drvinfo		= i40evf_get_drvinfo,
-	.get_link		= ethtool_op_get_link,
-	.get_ringparam		= i40evf_get_ringparam,
-	.set_ringparam		= i40evf_set_ringparam,
-	.get_strings		= i40evf_get_strings,
-	.get_ethtool_stats	= i40evf_get_ethtool_stats,
-	.get_sset_count		= i40evf_get_sset_count,
-	.get_priv_flags		= i40evf_get_priv_flags,
-	.set_priv_flags		= i40evf_set_priv_flags,
-	.get_msglevel		= i40evf_get_msglevel,
-	.set_msglevel		= i40evf_set_msglevel,
-	.get_coalesce		= i40evf_get_coalesce,
-	.set_coalesce		= i40evf_set_coalesce,
-	.get_per_queue_coalesce = i40evf_get_per_queue_coalesce,
-	.set_per_queue_coalesce = i40evf_set_per_queue_coalesce,
-	.get_rxnfc		= i40evf_get_rxnfc,
-	.get_rxfh_indir_size	= i40evf_get_rxfh_indir_size,
-	.get_rxfh		= i40evf_get_rxfh,
-	.set_rxfh		= i40evf_set_rxfh,
-	.get_channels		= i40evf_get_channels,
-	.set_channels		= i40evf_set_channels,
-	.get_rxfh_key_size	= i40evf_get_rxfh_key_size,
-	.get_link_ksettings	= i40evf_get_link_ksettings,
-};
-
-/**
- * i40evf_set_ethtool_ops - Initialize ethtool ops struct
- * @netdev: network interface device structure
- *
- * Sets ethtool ops struct in our netdev so that ethtool can call
- * our functions.
- **/
-void i40evf_set_ethtool_ops(struct net_device *netdev)
-{
-	netdev->ethtool_ops = &i40evf_ethtool_ops;
-}