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tsnep: Add ethtool::get_channels support

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Allow user space to read number of TX and RX queue. This is useful for
device dependent qdisc configurations like TAPRIO with hardware offload.
Also ethtool::get_per_queue_coalesce / set_per_queue_coalesce requires
that interface.

Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gerhard Engleder 2022-11-30 20:37:06 +01:00 committed by David S. Miller
parent 91644df1ba
commit 4f661ccfca
1 changed files with 12 additions and 0 deletions
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12
drivers/net/ethernet/engleder/tsnep_ethtool.c
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@ -288,6 +288,17 @@ static int tsnep_ethtool_set_rxnfc(struct net_device *netdev,
}
}
static void tsnep_ethtool_get_channels(struct net_device *netdev,
struct ethtool_channels *ch)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
ch->max_rx = adapter->num_rx_queues;
ch->max_tx = adapter->num_tx_queues;
ch->rx_count = adapter->num_rx_queues;
ch->tx_count = adapter->num_tx_queues;
}
static int tsnep_ethtool_get_ts_info(struct net_device *netdev,
struct ethtool_ts_info *info)
{
@ -327,6 +338,7 @@ const struct ethtool_ops tsnep_ethtool_ops = {
.get_sset_count = tsnep_ethtool_get_sset_count,
.get_rxnfc = tsnep_ethtool_get_rxnfc,
.set_rxnfc = tsnep_ethtool_set_rxnfc,
.get_channels = tsnep_ethtool_get_channels,
.get_ts_info = tsnep_ethtool_get_ts_info,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,