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authorPavel Emelyanov <xemul@parallels.com>2013-08-21 12:32:39 +0200
committerDavid S. Miller <davem@davemloft.net>2013-08-21 21:21:45 +0200
commit76975e9cb4a7c6fe39478a3dc4dd292a5c6c8c74 (patch)
treec17c80f50fc5fa83b350e28ca04630ad738d0213 /include/uapi
parenttun: Allow to skip filter on attach (diff)
downloadlinux-76975e9cb4a7c6fe39478a3dc4dd292a5c6c8c74.tar.xz
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tun: Get skfilter layout
The only thing we may have from tun device is the fprog, whic contains the number of filter elements and a pointer to (user-space) memory where the elements are. The program itself may not be available if the device is persistent and detached. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/if_tun.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h
index cc127b2b4c3d..e9502dd1ee2c 100644
--- a/include/uapi/linux/if_tun.h
+++ b/include/uapi/linux/if_tun.h
@@ -57,6 +57,7 @@
#define TUNSETVNETHDRSZ _IOW('T', 216, int)
#define TUNSETQUEUE _IOW('T', 217, int)
#define TUNSETIFINDEX _IOW('T', 218, unsigned int)
+#define TUNGETFILTER _IOR('T', 219, struct sock_fprog)
/* TUNSETIFF ifr flags */
#define IFF_TUN 0x0001