diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth_ethtool.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_ethtool.c b/drivers/s390/net/qeth_ethtool.c index 9052c72d5b8f..19b9c8302d36 100644 --- a/drivers/s390/net/qeth_ethtool.c +++ b/drivers/s390/net/qeth_ethtool.c @@ -175,6 +175,22 @@ static void qeth_get_channels(struct net_device *dev, channels->combined_count = 0; } +static int qeth_set_channels(struct net_device *dev, + struct ethtool_channels *channels) +{ + struct qeth_card *card = dev->ml_priv; + + if (IS_IQD(card) || !IS_VM_NIC(card)) + return -EOPNOTSUPP; + + if (channels->rx_count == 0 || channels->tx_count == 0) + return -EINVAL; + if (channels->tx_count > card->qdio.no_out_queues) + return -EINVAL; + + return netif_set_real_num_tx_queues(dev, channels->tx_count); +} + static int qeth_get_tunable(struct net_device *dev, const struct ethtool_tunable *tuna, void *data) { @@ -410,6 +426,7 @@ const struct ethtool_ops qeth_ethtool_ops = { .get_sset_count = qeth_get_sset_count, .get_drvinfo = qeth_get_drvinfo, .get_channels = qeth_get_channels, + .set_channels = qeth_set_channels, .get_tunable = qeth_get_tunable, .set_tunable = qeth_set_tunable, .get_link_ksettings = qeth_get_link_ksettings, |