diff options
| author |   Sameeh Jubran <sameehj@amazon.com> | 2019-10-06 15:33:28 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-07 09:30:03 -0400 |
| commit | 2413ea97157d6116b3abf432e36c2228f6428f02 (patch) | |
| tree | 93fe1355d077eb466fe01ce6a44d226072f6b3c4 /drivers/net/ethernet/amazon/ena/ena_ethtool.c | |
| parent | net: ena: remove redundant print of number of queues (diff) | |
| download | linux-2413ea97157d6116b3abf432e36c2228f6428f02.tar.xz linux-2413ea97157d6116b3abf432e36c2228f6428f02.zip | |
net: ena: ethtool: support set_channels callback
Set channels callback enables the user to change the count of queues
used by the driver using ethtool. We decided to currently support only
equal number of rx and tx queues, this might change in the future.
Also rename dev_up to dev_was_up in ena_update_queue_count() to make
it clearer.
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_ethtool.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index b75dafb793f7..a3250dcf7d53 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -738,6 +738,18 @@ static void ena_get_channels(struct net_device *netdev, channels->combined_count = adapter->num_io_queues; } +static int ena_set_channels(struct net_device *netdev, + struct ethtool_channels *channels) +{ + struct ena_adapter *adapter = netdev_priv(netdev); + u32 count = channels->combined_count; + /* The check for max value is already done in ethtool */ + if (count < ENA_MIN_NUM_IO_QUEUES) + return -EINVAL; + + return ena_update_queue_count(adapter, count); +} + static int ena_get_tunable(struct net_device *netdev, const struct ethtool_tunable *tuna, void *data) { @@ -801,6 +813,7 @@ static const struct ethtool_ops ena_ethtool_ops = { .get_rxfh = ena_get_rxfh, .set_rxfh = ena_set_rxfh, .get_channels = ena_get_channels, + .set_channels = ena_set_channels, .get_tunable = ena_get_tunable, .set_tunable = ena_set_tunable, }; |