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Add new vhost-user netdev backend

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Add a new QEMU netdev backend that is intended to invoke vhost_net with the
vhost-user backend. It uses an Unix socket chardev to establish a
communication with the 'slave' (client and server mode supported).

At runtime the netdev will handle OPEN/CLOSE events from the chardev. Upon
disconnection it will set link_down accordingly and notify virtio-net; the
virtio-net interface will go down.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Nikolay Nikolaev 2014-05-27 15:06:29 +03:00 • committed by Michael S. Tsirkin
parent 5f4c01cab1
commit d314f586b3
4 changed files with 176 additions and 1 deletions
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2
net/Makefile.objs
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@ -2,7 +2,7 @@ common-obj-y = net.o queue.o checksum.o util.o hub.o
common-obj-y += socket.o
common-obj-y += dump.o
common-obj-y += eth.o
common-obj-$(CONFIG_POSIX) += tap.o
common-obj-$(CONFIG_POSIX) += tap.o vhost-user.o
common-obj-$(CONFIG_LINUX) += tap-linux.o
common-obj-$(CONFIG_WIN32) += tap-win32.o
common-obj-$(CONFIG_BSD) += tap-bsd.o