Re: txqueuelen has wrong units; should be time

[Eric Dumazet]

Le mardi 01 mars 2011 Ã 06:01 +0100, Eric Dumazet a Ãcrit :
> Le lundi 28 fÃvrier 2011 Ã 23:11 -0500, Albert Cahalan a Ãcrit :
> 
> > It sounds like you need a callback or similar, so that TCP can be
> > informed later that the drop has occurred.
> 
> There is the thing called skb destructor / skb_orphan() mess, that is
> not stackable... Might extend this to something more clever, and be able
> to call functions (into TCP stack for example) giving a status of skb :
> Sent, or dropped somewhere in the stack...
> 

One problem of such schem is the huge extra cost involved, extra
locking, extra memory allocations, extra atomic operations...



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