@@ -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,
Add support for ETHTOOL_SCHANNELS to change the count of active TX queues. Since all TX queue structs are pre-allocated and -registered, we just need to trivially adjust dev->real_num_tx_queues. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> --- drivers/s390/net/qeth_ethtool.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)