On 2020/3/6 上午9:05, Jakub Kicinski wrote:
Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
---
drivers/net/tun.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 79f248cb282d..9e8f23519e82 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3597,6 +3597,7 @@ static int tun_set_coalesce(struct net_device *dev,
}
static const struct ethtool_ops tun_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_RX_MAX_FRAMES,
.get_drvinfo = tun_get_drvinfo,
.get_msglevel = tun_get_msglevel,
.set_msglevel = tun_set_msglevel,
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>