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| author | Richard Cochran <richardcochran@gmail.com> | 2013-07-19 19:40:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-07-22 14:58:19 -0700 |
| commit | eda297729171fe16bf34fe5b0419dfb69060f623 (patch) | |
| tree | c87ac0a1a125bb99bdffdcc4e33c84a2a8d75b2e /include | |
| parent | cb820f8e4b7f73d1a32175e6591735b25bb5398d (diff) | |
| download | lwn-eda297729171fe16bf34fe5b0419dfb69060f623.tar.gz lwn-eda297729171fe16bf34fe5b0419dfb69060f623.zip | |
tun: Support software transmit time stamping.
This patch adds transmit time stamping to the tun/tap driver. Similar
support already exists for UDP, can, and raw packets.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/if_tun.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h index 82334f88967e..1870ee29bb37 100644 --- a/include/uapi/linux/if_tun.h +++ b/include/uapi/linux/if_tun.h @@ -71,6 +71,9 @@ /* read-only flag */ #define IFF_PERSIST 0x0800 +/* Socket options */ +#define TUN_TX_TIMESTAMP 1 + /* Features for GSO (TUNSETOFFLOAD). */ #define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */ #define TUN_F_TSO4 0x02 /* I can handle TSO for IPv4 packets */ |