/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
* Copyright(c) 2013 - 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
******************************************************************************/
/* 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);
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 < 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
* @dev: 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
* @dev: 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);
u64 changed_flags;
u32 i;
changed_flags = adapter->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 (priv_flags->read_only)
continue;
if (flags & BIT(i))
adapter->flags |= priv_flags->flag;
else
adapter->flags &= ~(priv_flags->flag);
}
/* check for flags that changed */
changed_flags ^= adapter->flags;
/* Process any additional changes needed as a result of flag changes. */
/* 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->rx_itr_setting))
ec->use_adaptive_rx_coalesce = 1;
if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
ec->use_adaptive_tx_coalesce = 1;
ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
ec->tx_coalesce_usecs = tx_ring->tx_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
* @vsi: the VSI 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_vsi *vsi = &adapter->vsi;
struct i40e_hw *hw = &adapter->hw;
struct i40e_q_vector *q_vector;
u16 vector;
adapter->rx_rings[queue].rx_itr_setting = ec->rx_coalesce_usecs;
adapter->tx_rings[queue].tx_itr_setting = ec->tx_coalesce_usecs;
if (ec->use_adaptive_rx_coalesce)
adapter->rx_rings[queue].rx_itr_setting |= I40E_ITR_DYNAMIC;
else
adapter->rx_rings[queue].rx_itr_setting &= ~I40E_ITR_DYNAMIC;
if (ec->use_adaptive_tx_coalesce)
adapter->tx_rings[queue].tx_itr_setting |= I40E_ITR_DYNAMIC;
else
adapter->tx_rings[queue].tx_itr_setting &= ~I40E_ITR_DYNAMIC;
q_vector = adapter->rx_rings[queue].q_vector;
q_vector->rx.itr = ITR_TO_REG(adapter->rx_rings[queue].rx_itr_setting);
vector = vsi->base_vector + q_vector->v_idx;
wr32(hw, I40E_VFINT_ITRN1(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
q_vector = adapter->tx_rings[queue].q_vector;
q_vector->tx.itr = ITR_TO_REG(adapter->tx_rings[queue].tx_itr_setting);
vector = vsi->base_vector + q_vector->v_idx;
wr32(hw, I40E_VFINT_ITRN1(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
i40e_flush(hw);
}
/**
* __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 << 1)) ||
(ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
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 << 1)) ||
(ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
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
*
* 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 = adapter->num_active_queues;
ch->max_other = NONQ_VECS;
ch->other_count = NONQ_VECS;
ch->combined_count = adapter->num_active_queues;
}
/**
* 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
*
* 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
*
* 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,
.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;
}
