ovs: propagate per dp max headroom to all vports

[karo-tx-linux.git] / net / openvswitch / vport-internal_dev.c

diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
index ec76398a792fbb7451c53b958304a2e001704604..83a5534abd312b34d8e0171981645f32691cdf39 100644 (file)
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -138,6 +138,11 @@ internal_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
        return stats;
 }
 
+void internal_set_rx_headroom(struct net_device *dev, int new_hr)
+{
+       dev->needed_headroom = new_hr;
+}
+
 static const struct net_device_ops internal_dev_netdev_ops = {
        .ndo_open = internal_dev_open,
        .ndo_stop = internal_dev_stop,
@@ -145,6 +150,7 @@ static const struct net_device_ops internal_dev_netdev_ops = {
        .ndo_set_mac_address = eth_mac_addr,
        .ndo_change_mtu = internal_dev_change_mtu,
        .ndo_get_stats64 = internal_get_stats,
+       .ndo_set_rx_headroom = internal_set_rx_headroom,
 };
 
 static struct rtnl_link_ops internal_dev_link_ops __read_mostly = {
@@ -158,7 +164,8 @@ static void do_setup(struct net_device *netdev)
        netdev->netdev_ops = &internal_dev_netdev_ops;
 
        netdev->priv_flags &= ~IFF_TX_SKB_SHARING;
-       netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_OPENVSWITCH;
+       netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_OPENVSWITCH |
+                             IFF_PHONY_HEADROOM;
        netdev->destructor = internal_dev_destructor;
        netdev->ethtool_ops = &internal_dev_ethtool_ops;
        netdev->rtnl_link_ops = &internal_dev_link_ops;
@@ -199,6 +206,7 @@ static struct vport *internal_dev_create(const struct vport_parms *parms)
                err = -ENOMEM;
                goto error_free_netdev;
        }
+       vport->dev->needed_headroom = vport->dp->max_headroom;
 
        dev_net_set(vport->dev, ovs_dp_get_net(vport->dp));
        internal_dev = internal_dev_priv(vport->dev);