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Ben Pfaff [Tue, 9 Jun 2009 20:09:08 +0000 (13:09 -0700)]
Update documentation.
Ben Pfaff [Tue, 9 Jun 2009 00:12:27 +0000 (17:12 -0700)]
ovs-pki: Improve readability of manpage.
Ben Pfaff [Tue, 9 Jun 2009 00:11:46 +0000 (17:11 -0700)]
ovs-pki: Fix formatting errors in manpage.
Ben Pfaff [Mon, 8 Jun 2009 19:26:27 +0000 (12:26 -0700)]
vswitch: Send gratuitous learning packets when bond slaves go down.
When a bond slave goes down, all of the MACs that were on it are migrated
to another slave, but this is not apparent to the switch that the bond is
connected to until each MAC sends out a packet. This causes incoming
traffic for a given MAC to be dropped until the MAC sends out a packet.
This is not usually a problem, because traffic is not ordinarily one-way,
and we can't avoid losing some packets in some cases, but we can do a
little better by sending out a gratuitous learning packet on the new slave
as soon as we know about it, and that is what this commit implements.
Bug #1290.
Ben Pfaff [Mon, 8 Jun 2009 19:20:38 +0000 (12:20 -0700)]
mac-learning: Make data structures public.
The vswitchd bonding code needs to iterate through the table entries to
be able to send out gratuitous learning packets when bond slaves go down.
It might be best to create an abstract interface to the MAC learning table,
but this commit does the simpler thing and exposes the data structures in
the header file.
Justin Pettit [Fri, 5 Jun 2009 21:52:55 +0000 (14:52 -0700)]
vswitch: Fix typos in OFMP comments.
A couple of comments describing the new UUID TLVs were incorrect and
this fixes them.
Justin Pettit [Fri, 5 Jun 2009 21:50:08 +0000 (14:50 -0700)]
vswitch: Fix OFMP alignment problem on 64-bit systems.
One of the OpenFlow managment protocol's UUID TLV messages had a problem
building on 64-bit systems. By extending the structure length by 4
bytes, the problem goes away.
Ben Pfaff [Fri, 5 Jun 2009 21:28:39 +0000 (14:28 -0700)]
vswitch: Enable bond slaves based on carrier status, not up/down.
Whether a bond slave is enabled should be based on whether the device's
PHY sees carrier, not based on whether the device is configured up or down.
(Note that a device that is configured down will always see "no carrier").
Otherwise a device that is up but has no carrier will initially be enabled,
which does not make sense.
This has no effect on interfaces that are not bond slaves, because the
"enabled" setting is used only by bond slaves.
Bug #1247.
Ben Pfaff [Fri, 5 Jun 2009 21:26:42 +0000 (14:26 -0700)]
netdev: New function netdev_nodev_get_carrier().
Ben Pfaff [Fri, 5 Jun 2009 21:08:36 +0000 (14:08 -0700)]
xenserver: Bring up bond slave device before adding to bond.
Until now, we've added network devices to the ovs-vswitchd configuration
file before bringing them up. This works suboptimally for bond slaves,
because vswitchd takes the initial carrier state of the bond slaves as
whether to initially enable or disable them, and a device that is down
always reports "no carrier". So this commit changes interface-reconfigure
to bring up bond slaves before adding them to the configuration file,
which gives them a chance to detect carrier before vswitchd checks for it.
This might still be an imperfect situation, because it takes quite a while
(maybe 1 second?) for some network devices to detect carrier after being
brought up. But the kernel implementation of bonding seems to do the very
same thing, so we should be at least no worse than it.
Incidentally, this is only important for bonds that have long updelays.
XenServer uses an updelay of 31 seconds (!), so it is especially important
there.
Bug #1247.
Ben Pfaff [Fri, 5 Jun 2009 19:24:58 +0000 (12:24 -0700)]
xenserver: Allow RPM to install only with correct Xen kernel version.
Bug #638.
Justin Pettit [Fri, 5 Jun 2009 19:13:37 +0000 (12:13 -0700)]
vswitch: Send Xen UUIDs associated with system and networks
This commit sends information about Xen UUIDs to the controller through
the management connection. Specifically, it sends the XenServer UUID
and a list of network UUIDs associated with each datapath.
Ben Pfaff [Fri, 5 Jun 2009 18:18:33 +0000 (11:18 -0700)]
xenserver: Rename cache file to ovs-vswitch.dbache, for consistency.
Fixes bug #1374.
Ben Pfaff [Wed, 8 Jul 2009 20:19:16 +0000 (13:19 -0700)]