tun: socket filter support
This patch adds Linux Socket Filter support to
tun driver.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index 404abe0..1350a24 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -18,6 +18,7 @@
#include <linux/types.h>
#include <linux/if_ether.h>
+#include <linux/filter.h>
/* Read queue size */
#define TUN_READQ_SIZE 500
@@ -48,6 +49,8 @@
#define TUNGETIFF _IOR('T', 210, unsigned int)
#define TUNGETSNDBUF _IOR('T', 211, int)
#define TUNSETSNDBUF _IOW('T', 212, int)
+#define TUNATTACHFILTER _IOW('T', 213, struct sock_fprog)
+#define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
/* TUNSETIFF ifr flags */
#define IFF_TUN 0x0001