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vxlan: implement get_link_ksettings ethtool method

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Similar to VLAN and similar drivers, we can forward get_link_ksettings to
the lower dev if we have one to get meaningful speed/duplex data.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matthias Schiffer 2019-11-12 22:12:24 +01:00 committed by David S. Miller
parent 129bd7ca8a
commit 36fe3a61aa
1 changed files with 22 additions and 2 deletions
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24
drivers/net/vxlan.c
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@ -3175,9 +3175,29 @@ static void vxlan_get_drvinfo(struct net_device *netdev,
strlcpy(drvinfo->driver, "vxlan", sizeof(drvinfo->driver)); strlcpy(drvinfo->driver, "vxlan", sizeof(drvinfo->driver));
} }
static int vxlan_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
struct vxlan_rdst *dst = &vxlan->default_dst;
struct net_device *lowerdev = __dev_get_by_index(vxlan->net,
dst->remote_ifindex);
if (!lowerdev) {
cmd->base.duplex = DUPLEX_UNKNOWN;
cmd->base.port = PORT_OTHER;
cmd->base.speed = SPEED_UNKNOWN;
return 0;
}
return __ethtool_get_link_ksettings(lowerdev, cmd);
}
static const struct ethtool_ops vxlan_ethtool_ops = { static const struct ethtool_ops vxlan_ethtool_ops = {
.get_drvinfo = vxlan_get_drvinfo, .get_drvinfo = vxlan_get_drvinfo,
.get_link = ethtool_op_get_link, .get_link = ethtool_op_get_link,
.get_link_ksettings = vxlan_get_link_ksettings,
}; };
static struct socket *vxlan_create_sock(struct net *net, bool ipv6, static struct socket *vxlan_create_sock(struct net *net, bool ipv6,