tx_full v.s tx_free race fix in 8xx_io/enet.c?

[Joakim Tjernlund]

> Something I find a bit odd is that I can run ping -s 1472 -f
> <myTargetIp>
> without problems, but if i "jump start" the ping with "ping
> -s 800 -f <myTargetIp> -l 8"
> I start to loose packages. Ifconfig shows no errors for both cases.
> Do you get the same?
>
>  Jocke

Found this problem. It is the backoff/retry logic thats
causing very long TX delays. If I reduce "retlim"(retry limit) from
15 to 6, the system recovers from a large packet ping storm.

Is it a bad idea to reduce the retry limit?

 Jocke

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