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tun: implement carrier change

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The userspace may need to control the carrier state.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Didier Pallard <didier.pallard@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2018-11-28 19:12:56 +01:00 • committed by David S. Miller
parent bf1c3ab8d3
commit 26d31925cd
2 changed files with 27 additions and 1 deletions
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1
include/uapi/linux/if_tun.h
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@ -59,6 +59,7 @@
#define TUNGETVNETBE _IOR('T', 223, int)
#define TUNSETSTEERINGEBPF _IOR('T', 224, int)
#define TUNSETFILTEREBPF _IOR('T', 225, int)
#define TUNSETCARRIER _IOW('T', 226, int)
/* TUNSETIFF ifr flags */
#define IFF_TUN 0x0001