net: add umem reference in netdev{_rx}_queue

magnus-karlsson · borkmann · commit 661b8d1b0e3a · 2018-10-05T09:31:00.000+02:00
These references to the umem will be used to store information
on what kind of AF_XDP umem that is bound to a queue id, if any.

Signed-off-by: Magnus Karlsson &lt;magnus.karlsson@intel.com&gt;
Signed-off-by: Daniel Borkmann &lt;daniel@iogearbox.net&gt;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
@@ -609,6 +609,9 @@ struct netdev_queue {
 
 	/* Subordinate device that the queue has been assigned to */
 	struct net_device	*sb_dev;
+#ifdef CONFIG_XDP_SOCKETS
+	struct xdp_umem         *umem;
+#endif
 /*
  * write-mostly part
  */
@@ -738,6 +741,9 @@ struct netdev_rx_queue {
 	struct kobject			kobj;
 	struct net_device		*dev;
 	struct xdp_rxq_info		xdp_rxq;
+#ifdef CONFIG_XDP_SOCKETS
+	struct xdp_umem                 *umem;
+#endif
 } ____cacheline_aligned_in_smp;
 
 /*
