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| author | Jason Wang | 2012-10-31 20:46:01 +0100 |
|---|---|---|
| committer | David S. Miller | 2012-11-01 16:14:08 +0100 |
| commit | cde8b15f1aabe327038ee4e0e11dd6b798572f69 (patch) | |
| tree | 920146d9cb4e1918c1e4b5063ce23de675f5988f /include/uapi/linux/if_tun.h | |
| parent | tuntap: multiqueue support (diff) | |
| download | kernel-qcow2-linux-cde8b15f1aabe327038ee4e0e11dd6b798572f69.tar.gz kernel-qcow2-linux-cde8b15f1aabe327038ee4e0e11dd6b798572f69.tar.xz kernel-qcow2-linux-cde8b15f1aabe327038ee4e0e11dd6b798572f69.zip | |
tuntap: add ioctl to attach or detach a file form tuntap device
Sometimes usespace may need to active/deactive a queue, this could be done by
detaching and attaching a file from tuntap device.
This patch introduces a new ioctls - TUNSETQUEUE which could be used to do
this. Flag IFF_ATTACH_QUEUE were introduced to do attaching while
IFF_DETACH_QUEUE were introduced to do the detaching.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/if_tun.h')
| -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 8ef3a87b58a0..958497ad5bb5 100644 --- a/include/uapi/linux/if_tun.h +++ b/include/uapi/linux/if_tun.h @@ -54,6 +54,7 @@ #define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog) #define TUNGETVNETHDRSZ _IOR('T', 215, int) #define TUNSETVNETHDRSZ _IOW('T', 216, int) +#define TUNSETQUEUE _IOW('T', 217, int) /* TUNSETIFF ifr flags */ #define IFF_TUN 0x0001 @@ -63,6 +64,8 @@ #define IFF_VNET_HDR 0x4000 #define IFF_TUN_EXCL 0x8000 #define IFF_MULTI_QUEUE 0x0100 +#define IFF_ATTACH_QUEUE 0x0200 +#define IFF_DETACH_QUEUE 0x0400 /* Features for GSO (TUNSETOFFLOAD). */ #define TUN_F_CSUM 0x01 /* You can hand me unchecksummed packets. */ |