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path: root/drivers/s390/net/qeth_l2_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r--drivers/s390/net/qeth_l2_main.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index ef07e9cadfc..86ec50ddae1 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -849,6 +849,22 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
return;
}
+static int qeth_l2_ethtool_set_tso(struct net_device *dev, u32 data)
+{
+ struct qeth_card *card = netdev_priv(dev);
+
+ if (data) {
+ if (card->options.large_send == QETH_LARGE_SEND_NO) {
+ card->options.large_send = QETH_LARGE_SEND_EDDP;
+ dev->features |= NETIF_F_TSO;
+ }
+ } else {
+ dev->features &= ~NETIF_F_TSO;
+ card->options.large_send = QETH_LARGE_SEND_NO;
+ }
+ return 0;
+}
+
static struct ethtool_ops qeth_l2_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_tx_csum = ethtool_op_get_tx_csum,
@@ -856,7 +872,7 @@ static struct ethtool_ops qeth_l2_ethtool_ops = {
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tso = ethtool_op_get_tso,
- .set_tso = ethtool_op_set_tso,
+ .set_tso = qeth_l2_ethtool_set_tso,
.get_strings = qeth_core_get_strings,
.get_ethtool_stats = qeth_core_get_ethtool_stats,
.get_stats_count = qeth_core_get_stats_count,