Re: [Xen-devel] Resetting network device / skb leak

[Jacob Gorm Hansen <jacob@xxxxxxxx>]

On Thu, 2004-04-22 at 08:19, Keir Fraser wrote: 
> The correct suspend behaviour is caused by executing dev->stop().
> 
> Why are you not able to run the existing ifdown/ifup code? It doesn't
> execute notifier lists so shouldn't affect routing tables or anything
> like that.

Mainly because I need the interface to remain active across the point
where I am checkpointing the system -- the interface is used in the
migration which is still ongoing at that time (I firewall off unrelated
connections to not mess things up externally).

Basically I need to revive the (already open but not
Xen-connected/initialised) interface when I wake up, which the
previously quoted code does fine, but apparently this causes a leak of
skbs. What I am looking for is a safe way of freeing or reusing the old
ones before reinitialising the interface.

Jacob



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