RE: e1000 fixes (NAPI)

From: Feldman, Scott (scott.feldman@intel.com)
Date: Wed Nov 20 2002 - 20:18:51 EST


> Need another fix. You need to reinstrument the tasklet
> schedule in the fill_rx_ring instread of doing the whole thing from
> interrupt. When the system is loaded at 100% saturation on gigbit
> with 300 byte packets or smaller, the driver does not allow any
> processes to run, and you cannot log in via ssh or any user space
> apps. This is severely busted.

That's one of the points of NAPI - to process high traffic Rx rates outside
of h/w interrupt context.

-scott
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