On Fri, Sep 27, 2002 at 10:53:00AM -0400, jamal wrote:
> On Fri, 27 Sep 2002, Eric Lemoine wrote:
>
> > I figured out that packets can be dropped in pfifo_fast_enqueue()
> > [the default qdisc's enqueue func], even though the driver/kernel
> > flow control has triggered.
...
> What trigger do you suggest to wake up the process again?
> A better idea maybe to return something to the socket so it can
> manage things instead -- not sure what to return though that wouldnt
> break some standard;
"man sendto" error return codes:
ENOBUFS
The output queue for a network interface was full.
This generally indicates that the interface has
stopped sending, but may be caused by transient
congestion. (This cannot occur in Linux, packets
are just silently dropped when a device queue over
flows.)
> cheers,
> jamal
/Matti Aarnio
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