[ovs-dev] [PATCH] ofproto-dpif: Flush MACs for deleted ports from every bridge.

[Ben Pfaff]

Thanks, I added the signoffs and pushed these.

On Thu, Dec 15, 2011 at 12:53:25PM -0800, Ethan Jackson wrote:
> You need a Signed-off-by.  Otherwise looks good.
> 
> Ethan
> 
> On Thu, Dec 15, 2011 at 11:49, Ben Pfaff <blp at nicira.com> wrote:
> > On Thu, Dec 15, 2011 at 09:35:14AM -0800, Ben Pfaff wrote:
> >> I think I'm going to try to write some unit tests for this before I
> >> push it.
> >
> > I wrote some, but the unit test revealed a bug in the "dummy" dpif.
> > Please review this, and then I'll push both patches:
> >
> > --8<--------------------------cut here-------------------------->8--
> >
> > From: Ben Pfaff <blp at nicira.com>
> > Date: Thu, 15 Dec 2011 11:45:08 -0800
> > Subject: [PATCH] dpif-netdev: Correctly report types of dummy netdevs.
> >
> > When dpif-netdev is in use as a "dummy" datapath, the devices that are
> > added to it have type "dummy", but the dpif methods that report the types
> > of ports reported that they had type "system". ?This meant that every time
> > the bridge code reconfigured, it would see that the ports had the wrong
> > types and delete and re-add them, which had other undesirable effects such
> > as flushing the entire MAC learning table whenever ovs-vsctl changed the
> > configuration.
> > ---
> > ?lib/dpif-netdev.c | ? ?6 ++++--
> > ?1 files changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
> > index eb10134..2c416e3 100644
> > --- a/lib/dpif-netdev.c
> > +++ b/lib/dpif-netdev.c
> > @@ -458,7 +458,8 @@ answer_port_query(const struct dp_netdev_port *port,
> > ? ? ? ? ? ? ? ? ? struct dpif_port *dpif_port)
> > ?{
> > ? ? dpif_port->name = xstrdup(netdev_get_name(port->netdev));
> > - ? ?dpif_port->type = xstrdup(port->internal ? "internal" : "system");
> > + ? ?dpif_port->type = xstrdup(port->internal ? "internal"
> > + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?: netdev_get_type(port->netdev));
> > ? ? dpif_port->port_no = port->port_no;
> > ?}
> >
> > @@ -550,7 +551,8 @@ dpif_netdev_port_dump_next(const struct dpif *dpif, void *state_,
> > ? ? ? ? ? ? free(state->name);
> > ? ? ? ? ? ? state->name = xstrdup(netdev_get_name(port->netdev));
> > ? ? ? ? ? ? dpif_port->name = state->name;
> > - ? ? ? ? ? ?dpif_port->type = port->internal ? "internal" : "system";
> > + ? ? ? ? ? ?dpif_port->type = (char *) (port->internal ? "internal"
> > + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?: netdev_get_type(port->netdev));
> > ? ? ? ? ? ? dpif_port->port_no = port->port_no;
> > ? ? ? ? ? ? state->port_no = port_no + 1;
> > ? ? ? ? ? ? return 0;
> > --
> > 1.7.4.4
> >