add-empty-ndo_poll_controller-to-veth.patch

   1 From: Stefan Priebe <s.priebe@profihost.ag>
   2 To: <pve-devel@pve.proxmox.com>
   3 Date: Sat, 21 Jun 2014 19:46:19 +0200
   4
   5 This patch adds netpoll "support" to veth. As veth is a virtual device there is no need to support netpoll. We just need
   6 to tell the kernel veth supports it to have netpoll support on bridging while veth devices are assigned.
   7
   8 An example is the netconsole driver on a bridge.
   9
  10 Signed-off-by: Stefan Priebe <s.priebe@profihost.ag>
  11 ---
  12  drivers/net/veth.c |    9 +++++++++
  13  1 file changed, 9 insertions(+)
  14
  15 diff --git a/drivers/net/veth.c b/drivers/net/veth.c
  16 index 177f911..5de0771 100644
  17 --- a/drivers/net/veth.c
  18 +++ b/drivers/net/veth.c
  19 @@ -188,6 +188,12 @@ static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
  20         return tot;
  21  }
  22
  23 +#ifdef CONFIG_NET_POLL_CONTROLLER
  24 +static void veth_poll_controller(struct net_device *dev)
  25 +{
  26 +}
  27 +#endif
  28 +
  29  static int veth_open(struct net_device *dev)
  30  {
  31         struct veth_priv *priv = netdev_priv(dev);
  32 @@ -251,6 +257,9 @@ static const struct net_device_ops veth_netdev_ops = {
  33         .ndo_change_mtu      = veth_change_mtu,
  34         .ndo_get_stats64     = veth_get_stats64,
  35         .ndo_set_mac_address = eth_mac_addr,
  36 +#ifdef CONFIG_NET_POLL_CONTROLLER
  37 +        .ndo_poll_controller    = veth_poll_controller,
  38 +#endif
  39  };
  40
  41  #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO |    \
  42 --
  43 1.7.10.4