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s390/qeth: add support for ETHTOOL_GRINGPARAM 

Implement a trivial callback that exposes the queue sizes.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Julian Wiedmann 2019-02-15 19:22:30 +01:00 committed by David S. Miller
parent b0abc4f5df
commit 1b4d5e1c61
1 changed files with 17 additions and 0 deletions
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17
drivers/s390/net/qeth_ethtool.c
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@ -102,6 +102,22 @@ static void qeth_get_ethtool_stats(struct net_device *dev,
txq_stats, TXQ_STATS_LEN);
}
static void qeth_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *param)
{
struct qeth_card *card = dev->ml_priv;
param->rx_max_pending = QDIO_MAX_BUFFERS_PER_Q;
param->rx_mini_max_pending = 0;
param->rx_jumbo_max_pending = 0;
param->tx_max_pending = QDIO_MAX_BUFFERS_PER_Q;
param->rx_pending = card->qdio.in_buf_pool.buf_count;
param->rx_mini_pending = 0;
param->rx_jumbo_pending = 0;
param->tx_pending = QDIO_MAX_BUFFERS_PER_Q;
}
static void qeth_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
struct qeth_card *card = dev->ml_priv;
@ -338,6 +354,7 @@ static int qeth_get_link_ksettings(struct net_device *netdev,
const struct ethtool_ops qeth_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_ringparam = qeth_get_ringparam,
.get_strings = qeth_get_strings,
.get_ethtool_stats = qeth_get_ethtool_stats,
.get_sset_count = qeth_get_sset_count,