[libvirt] [PATCH v3 0/5] Virtual interface link state modification

[Peter Krempa]

This patchset adds the ability for libvirt users to control interface
link state of the virtual network devices provided by hypervisors.

Modification of the link state is accomplished by adding a new XML
element <link state"up"> or "down" to the domain XML. The corresponding
network interface is thereafter initialised with the desired state.

Live modification of the link state is achieved by calling
virDomainUpdateDeviceFlags containing a modified interface configuration.
Yet, users may modify only link state of an interface.

This feature allows propagation of network topology changes to guests,
testing scenarios in complex virtual networks, etc ...

Future upgrade:
- add support for VirtualBox

Modifications to v2:
- Rebase to curent HEAD

Modifications to v1:
- use virUpdateDeviceFlags instead of dedicated API
- incorporate helpful comments by Eric Blake

https://bugzilla.redhat.com/show_bug.cgi?id=643373

Peter Krempa (5):
  link-state: util: Add equality comparision functions for structures
  link-state: conf: Add element to XML for controling link state
  link-state: qemu: Add monitor handling for link state modification
  link-state: qemu: Add net intf modification to virUpdateDeviceFlags
  link-state: virsh: Add wrapper commands for changing link state

 docs/formatdomain.html.in    |   21 +++
 docs/schemas/network.rng     |   11 ++
 src/conf/domain_conf.c       |   24 ++++
 src/conf/domain_conf.h       |   11 ++
 src/qemu/qemu_driver.c       |   24 ++++
 src/qemu/qemu_hotplug.c      |  176 ++++++++++++++++++++++++++
 src/qemu/qemu_hotplug.h      |    8 ++
 src/qemu/qemu_monitor.c      |   19 +++
 src/qemu/qemu_monitor.h      |    4 +
 src/qemu/qemu_monitor_json.c |   23 ++++
 src/qemu/qemu_monitor_json.h |    4 +
 src/qemu/qemu_monitor_text.c |   46 +++++++
 src/qemu/qemu_monitor_text.h |    4 +
 src/qemu/qemu_process.c      |   47 +++++++-
 src/util/network.c           |   62 +++++++++
 src/util/network.h           |    5 +
 tools/virsh.c                |  286 ++++++++++++++++++++++++++++++++++++++++++
 tools/virsh.pod              |   11 ++
 18 files changed, 785 insertions(+), 1 deletions(-)

-- 
1.7.3.4