Jeff Garzik wrote:
> commit 57cbfacc00d69be2ba02b65d1021442273b76263
> Author: Jeff Garzik <jeff@garzik.org>
> Date:   Fri Oct 5 23:25:56 2007 -0400
> 
>     [netdrvr] forcedeth: process TX completions using NAPI
>     
>     Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
> 
>  drivers/net/forcedeth.c |  143 +++++++++++++++++++++++++++---------------------
>  1 file changed, 83 insertions(+), 60 deletions(-)

The attached patch fixes an obvious bug.  Once applied, TX NAPI actually 
works :)