net: added netdevice operation for Tx

Added ndo_xsk_async_xmit. This ndo "kicks" the netdev to start to pull
userland AF_XDP Tx frames from a NAPI context.

Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cc4ea7a..03ffead 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1387,6 +1387,8 @@ struct net_device_ops {
        int                     (*ndo_xdp_xmit)(struct net_device *dev, int n,
                                                struct xdp_frame **xdp,
                                                u32 flags);
+       int                     (*ndo_xsk_async_xmit)(struct net_device *dev,
+                                                     u32 queue_id);
 };
 
 /**