doc: fix hardcoded helper path
The install directory of qemu-bridge-helper is configurable, but we use a fixed path in the documentation. DEFAULT_BRIDGE_HELPER macro isn't available in texi mode, we should always use "/path/to/" prefix for dynamic paths (e.g.: /path/to/image, /path/to/linux, etc). Signed-off-by: Amos Kong <akong@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -1605,7 +1605,7 @@ to disable script execution.
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If running QEMU as an unprivileged user, use the network helper
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@var{helper} to configure the TAP interface. The default network
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helper executable is @file{/usr/local/libexec/qemu-bridge-helper}.
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helper executable is @file{/path/to/qemu-bridge-helper}.
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@option{fd}=@var{h} can be used to specify the handle of an already
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opened host TAP interface.
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@ -1629,7 +1629,7 @@ qemu-system-i386 linux.img \
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#launch a QEMU instance with the default network helper to
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#connect a TAP device to bridge br0
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qemu-system-i386 linux.img \
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-net nic -net tap,"helper=/usr/local/libexec/qemu-bridge-helper"
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-net nic -net tap,"helper=/path/to/qemu-bridge-helper"
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@end example
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@item -netdev bridge,id=@var{id}[,br=@var{bridge}][,helper=@var{helper}]
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@ -1638,7 +1638,7 @@ Connect a host TAP network interface to a host bridge device.
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Use the network helper @var{helper} to configure the TAP interface and
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attach it to the bridge. The default network helper executable is
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@file{/usr/local/libexec/qemu-bridge-helper} and the default bridge
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@file{/path/to/qemu-bridge-helper} and the default bridge
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device is @file{br0}.
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Examples:
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