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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.c39
1 files changed, 2 insertions, 37 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 12d115ef5e74..84c0d9581f93 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2178,48 +2178,13 @@ static void virtnet_get_channels(struct net_device *dev,
channels->other_count = 0;
}
-/* Check if the user is trying to change anything besides speed/duplex */
-static bool
-virtnet_validate_ethtool_cmd(const struct ethtool_link_ksettings *cmd)
-{
- struct ethtool_link_ksettings diff1 = *cmd;
- struct ethtool_link_ksettings diff2 = {};
-
- /* cmd is always set so we need to clear it, validate the port type
- * and also without autonegotiation we can ignore advertising
- */
- diff1.base.speed = 0;
- diff2.base.port = PORT_OTHER;
- ethtool_link_ksettings_zero_link_mode(&diff1, advertising);
- diff1.base.duplex = 0;
- diff1.base.cmd = 0;
- diff1.base.link_mode_masks_nwords = 0;
-
- return !memcmp(&diff1.base, &diff2.base, sizeof(diff1.base)) &&
- bitmap_empty(diff1.link_modes.supported,
- __ETHTOOL_LINK_MODE_MASK_NBITS) &&
- bitmap_empty(diff1.link_modes.advertising,
- __ETHTOOL_LINK_MODE_MASK_NBITS) &&
- bitmap_empty(diff1.link_modes.lp_advertising,
- __ETHTOOL_LINK_MODE_MASK_NBITS);
-}
-
static int virtnet_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd)
{
struct virtnet_info *vi = netdev_priv(dev);
- u32 speed;
-
- speed = cmd->base.speed;
- /* don't allow custom speed and duplex */
- if (!ethtool_validate_speed(speed) ||
- !ethtool_validate_duplex(cmd->base.duplex) ||
- !virtnet_validate_ethtool_cmd(cmd))
- return -EINVAL;
- vi->speed = speed;
- vi->duplex = cmd->base.duplex;
- return 0;
+ return ethtool_virtdev_set_link_ksettings(dev, cmd,
+ &vi->speed, &vi->duplex);
}
static int virtnet_get_link_ksettings(struct net_device *dev,