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path: root/drivers/net/ethernet/google/gve/gve_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_ethtool.c')
-rw-r--r--drivers/net/ethernet/google/gve/gve_ethtool.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_ethtool.c b/drivers/net/ethernet/google/gve/gve_ethtool.c
index 5fb05cf36b49..716e6240305d 100644
--- a/drivers/net/ethernet/google/gve/gve_ethtool.c
+++ b/drivers/net/ethernet/google/gve/gve_ethtool.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/* Google virtual Ethernet (gve) driver
*
- * Copyright (C) 2015-2019 Google, Inc.
+ * Copyright (C) 2015-2021 Google, Inc.
*/
#include <linux/ethtool.h>
@@ -311,8 +311,16 @@ gve_get_ethtool_stats(struct net_device *netdev,
for (ring = 0; ring < priv->tx_cfg.num_queues; ring++) {
struct gve_tx_ring *tx = &priv->tx[ring];
- data[i++] = tx->req;
- data[i++] = tx->done;
+ if (gve_is_gqi(priv)) {
+ data[i++] = tx->req;
+ data[i++] = tx->done;
+ } else {
+ /* DQO doesn't currently support
+ * posted/completed descriptor counts;
+ */
+ data[i++] = 0;
+ data[i++] = 0;
+ }
do {
start =
u64_stats_fetch_begin(&priv->tx[ring].statss);
@@ -453,11 +461,16 @@ static int gve_set_tunable(struct net_device *netdev,
switch (etuna->id) {
case ETHTOOL_RX_COPYBREAK:
+ {
+ u32 max_copybreak = gve_is_gqi(priv) ?
+ (PAGE_SIZE / 2) : priv->data_buffer_size_dqo;
+
len = *(u32 *)value;
- if (len > PAGE_SIZE / 2)
+ if (len > max_copybreak)
return -EINVAL;
priv->rx_copybreak = len;
return 0;
+ }
default:
return -EOPNOTSUPP;
}