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path: root/drivers/net/virtio_net.c
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Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 84c0d9581f93..11f722460513 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2202,23 +2202,14 @@ static int virtnet_get_link_ksettings(struct net_device *dev,
static int virtnet_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *ec)
{
- struct ethtool_coalesce ec_default = {
- .cmd = ETHTOOL_SCOALESCE,
- .rx_max_coalesced_frames = 1,
- };
struct virtnet_info *vi = netdev_priv(dev);
int i, napi_weight;
- if (ec->tx_max_coalesced_frames > 1)
+ if (ec->tx_max_coalesced_frames > 1 ||
+ ec->rx_max_coalesced_frames != 1)
return -EINVAL;
- ec_default.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
napi_weight = ec->tx_max_coalesced_frames ? NAPI_POLL_WEIGHT : 0;
-
- /* disallow changes to fields not explicitly tested above */
- if (memcmp(ec, &ec_default, sizeof(ec_default)))
- return -EINVAL;
-
if (napi_weight ^ vi->sq[0].napi.weight) {
if (dev->flags & IFF_UP)
return -EBUSY;
@@ -2273,6 +2264,7 @@ static void virtnet_update_settings(struct virtnet_info *vi)
}
static const struct ethtool_ops virtnet_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES,
.get_drvinfo = virtnet_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_ringparam = virtnet_get_ringparam,