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authorJulian Wiedmann <jwi@linux.ibm.com>2019-02-15 19:22:30 +0100
committerDavid S. Miller <davem@davemloft.net>2019-02-15 20:35:30 -0800
commit1b4d5e1c617e7c11a0461470122ab7723f99906c (patch)
tree8617b7f4d57e077ee95db4f70ba0e1c976f502eb /drivers/s390/net
parents390/qeth: overhaul ethtool statistics (diff)
downloadlinux-dev-1b4d5e1c617e7c11a0461470122ab7723f99906c.tar.xz
linux-dev-1b4d5e1c617e7c11a0461470122ab7723f99906c.zip
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>
Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/qeth_ethtool.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_ethtool.c b/drivers/s390/net/qeth_ethtool.c
index 9ce5ef5fcf7a..93a53fed4cf8 100644
--- a/drivers/s390/net/qeth_ethtool.c
+++ b/drivers/s390/net/qeth_ethtool.c
@@ -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,