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authorIngo Molnar <mingo@elte.hu>2008-10-15 07:46:29 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-15 07:46:29 -0400
commitb2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch)
tree53ccb1c2c14751fe69cf93102e76e97021f6df07 /include/linux/if_tun.h
parent4f962d4d65923d7b722192e729840cfb79af0a5a (diff)
parent278429cff8809958d25415ba0ed32b59866ab1a8 (diff)
Merge branch 'linus' into stackprotector
Conflicts: arch/x86/kernel/Makefile include/asm-x86/pda.h
Diffstat (limited to 'include/linux/if_tun.h')
-rw-r--r--include/linux/if_tun.h35
1 files changed, 31 insertions, 4 deletions
diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index 8c71fe2fb1f..8529f57ba26 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -11,14 +11,13 @@
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details. 13 * GNU General Public License for more details.
14 *
15 * $Id: if_tun.h,v 1.2 2001/06/01 18:39:47 davem Exp $
16 */ 14 */
17 15
18#ifndef __IF_TUN_H 16#ifndef __IF_TUN_H
19#define __IF_TUN_H 17#define __IF_TUN_H
20 18
21#include <linux/types.h> 19#include <linux/types.h>
20#include <linux/if_ether.h>
22 21
23/* Read queue size */ 22/* Read queue size */
24#define TUN_READQ_SIZE 500 23#define TUN_READQ_SIZE 500
@@ -33,6 +32,7 @@
33#define TUN_NO_PI 0x0040 32#define TUN_NO_PI 0x0040
34#define TUN_ONE_QUEUE 0x0080 33#define TUN_ONE_QUEUE 0x0080
35#define TUN_PERSIST 0x0100 34#define TUN_PERSIST 0x0100
35#define TUN_VNET_HDR 0x0200
36 36
37/* Ioctl defines */ 37/* Ioctl defines */
38#define TUNSETNOCSUM _IOW('T', 200, int) 38#define TUNSETNOCSUM _IOW('T', 200, int)
@@ -42,17 +42,44 @@
42#define TUNSETOWNER _IOW('T', 204, int) 42#define TUNSETOWNER _IOW('T', 204, int)
43#define TUNSETLINK _IOW('T', 205, int) 43#define TUNSETLINK _IOW('T', 205, int)
44#define TUNSETGROUP _IOW('T', 206, int) 44#define TUNSETGROUP _IOW('T', 206, int)
45#define TUNGETFEATURES _IOR('T', 207, unsigned int)
46#define TUNSETOFFLOAD _IOW('T', 208, unsigned int)
47#define TUNSETTXFILTER _IOW('T', 209, unsigned int)
48#define TUNGETIFF _IOR('T', 210, unsigned int)
45 49
46/* TUNSETIFF ifr flags */ 50/* TUNSETIFF ifr flags */
47#define IFF_TUN 0x0001 51#define IFF_TUN 0x0001
48#define IFF_TAP 0x0002 52#define IFF_TAP 0x0002
49#define IFF_NO_PI 0x1000 53#define IFF_NO_PI 0x1000
50#define IFF_ONE_QUEUE 0x2000 54#define IFF_ONE_QUEUE 0x2000
55#define IFF_VNET_HDR 0x4000
56
57/* Features for GSO (TUNSETOFFLOAD). */
58#define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */
59#define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */
60#define TUN_F_TSO6 0x04 /* I can handle TSO for IPv6 packets */
61#define TUN_F_TSO_ECN 0x08 /* I can handle TSO with ECN bits. */
51 62
63/* Protocol info prepended to the packets (when IFF_NO_PI is not set) */
64#define TUN_PKT_STRIP 0x0001
52struct tun_pi { 65struct tun_pi {
53 unsigned short flags; 66 __u16 flags;
54 __be16 proto; 67 __be16 proto;
55}; 68};
56#define TUN_PKT_STRIP 0x0001 69
70/*
71 * Filter spec (used for SETXXFILTER ioctls)
72 * This stuff is applicable only to the TAP (Ethernet) devices.
73 * If the count is zero the filter is disabled and the driver accepts
74 * all packets (promisc mode).
75 * If the filter is enabled in order to accept broadcast packets
76 * broadcast addr must be explicitly included in the addr list.
77 */
78#define TUN_FLT_ALLMULTI 0x0001 /* Accept all multicast packets */
79struct tun_filter {
80 __u16 flags; /* TUN_FLT_ flags see above */
81 __u16 count; /* Number of addresses */
82 __u8 addr[0][ETH_ALEN];
83};
57 84
58#endif /* __IF_TUN_H */ 85#endif /* __IF_TUN_H */