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[libvirt] [PATCH v3 0/8] Allow minimal bandwidth guarantee

This is a rework of my one year old patchset [1].

If you are brave enough and start reviewing it, you may want to read
the last patch first. The whole magic hidden behind the scene is
documented there. For now, the only supported combination where this
works is virtual interface connected to virtual network. This network
MUST have an inbound average set, at least. This tells how much
bandwidth do we have, and how much can we guarantee.  If we would miss
this info, then we cannot guarantee anything. On the other hand, this
is just a very small part of whole problem. Users MUST configure all
other devices on traffic path to follow up their setting in libvirt.
But that's out of our scope.

1: http://www.redhat.com/archives/libvir-list/2011-December/msg00486.html

diff to v1:
-Laine's suggestions worked in

diff to v2:
-again Laine's suggestions worked in (drop libvirt_network.syms,
 don't check for floor twice, etc.)

Michal Privoznik (8):
  bandwidth: Attach sfq to leaf node
  bandwidth: add new 'floor' attribute
  bandwidth: Create hierarchical shaping classes
  bandwidth: Create (un)plug functions
  bandwidth: Create rate update function
  bandwidth: Create network bandwidth (un)plug functions
  network: Create real network status files
  domain: Keep assigned class_id in domstatus XML

 docs/formatdomain.html.in        |   23 +++-
 docs/schemas/networkcommon.rng   |    5 +
 po/POTFILES.in                   |    1 +
 src/conf/domain_conf.c           |   19 ++-
 src/conf/domain_conf.h           |    1 +
 src/conf/netdev_bandwidth_conf.c |   67 +++++++--
 src/conf/netdev_bandwidth_conf.h |    3 +-
 src/conf/network_conf.c          |  229 +++++++++++++++++++++-----
 src/conf/network_conf.h          |    6 +
 src/libvirt_private.syms         |    4 +
 src/lxc/lxc_process.c            |    3 +-
 src/network/bridge_driver.c      |  242 +++++++++++++++++++++++++++-
 src/qemu/qemu_command.c          |    3 +-
 src/qemu/qemu_driver.c           |    2 +-
 src/util/virnetdevbandwidth.c    |  331 +++++++++++++++++++++++++++++++++++++-
 src/util/virnetdevbandwidth.h    |   25 +++-
 src/util/virnetdevmacvlan.c      |    2 +-
 17 files changed, 886 insertions(+), 80 deletions(-)


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