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>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index 404abe00162c..1350a246893a 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