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Revision 32993698

ID3299369856db73a02c68869cb03fd1e24238eb9b

Added by Michael S. Tsirkin about 10 years ago

vhost: disable on tap link down

qemu makes it possible to disable link at tap which is not communicated
to the guest but causes all packets to be dropped.

When vhost-net is enabled, vhost needs to be aware of both the virtio
link_down and the peer link_down. we switch to userspace emulation when
either is down.

Signed-off-by: Michael S. Tsirkin <>
Reported-by: pradeep <>
Acked-by: Alex Williamson <>
Acked-by: Jason Wang <>
Signed-off-by: Aurelien Jarno <>

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