diff options
Diffstat (limited to 'drivers/s390/net/qeth_ethtool.c')
| -rw-r--r-- | drivers/s390/net/qeth_ethtool.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/s390/net/qeth_ethtool.c b/drivers/s390/net/qeth_ethtool.c index f870c5322bfe..b5caa723326e 100644 --- a/drivers/s390/net/qeth_ethtool.c +++ b/drivers/s390/net/qeth_ethtool.c @@ -211,13 +211,19 @@ static void qeth_get_channels(struct net_device *dev, static int qeth_set_channels(struct net_device *dev, struct ethtool_channels *channels) { + struct qeth_priv *priv = netdev_priv(dev); struct qeth_card *card = dev->ml_priv; + int rc; if (channels->rx_count == 0 || channels->tx_count == 0) return -EINVAL; if (channels->tx_count > card->qdio.no_out_queues) return -EINVAL; + /* Prio-queueing needs all TX queues: */ + if (qeth_uses_tx_prio_queueing(card)) + return -EPERM; + if (IS_IQD(card)) { if (channels->tx_count < QETH_IQD_MIN_TXQ) return -EINVAL; @@ -228,13 +234,13 @@ static int qeth_set_channels(struct net_device *dev, if (netif_running(dev) && channels->tx_count < dev->real_num_tx_queues) return -EPERM; - } else { - /* OSA still uses the legacy prio-queue mechanism: */ - if (!IS_VM_NIC(card)) - return -EOPNOTSUPP; } - return qeth_set_real_num_tx_queues(card, channels->tx_count); + rc = qeth_set_real_num_tx_queues(card, channels->tx_count); + if (!rc) + priv->tx_wanted_queues = channels->tx_count; + + return rc; } static int qeth_get_ts_info(struct net_device *dev, |