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Date: Thu, 14 Mar 2002 15:43:14 -0500 (EST)
From: Aaron Sethman <androsyn@ratbox.org>
To: "David S. Miller" <davem@redhat.com>
Cc: beezly@beezly.org.uk, <linux-kernel@vger.kernel.org>
Subject: Re: Sun GEM card looses TX on x86 32bit PCI
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I am having the same problem on sparc.  I will try the patch myself and
let you know if it helps.

Regards,

Aaron

On Tue, 12 Mar 2002, David S. Miller wrote:

>    From: Beezly <beezly@beezly.org.uk>
>    Date: 11 Mar 2002 22:51:42 +0000
>
>    Ok, I've been fiddling around with the driver tonight and have managed
>    to get a little further by forcing the driver to do a full reset of the
>    chip when the RX buffer over flows. I achieved this by sticking a return
>    1; at the top of gem_rxmac_reset().
>
>    I'm guessing this isn't an "optimal" reset for the situation but so far
>    it's having /reasonable/ results (i.e. I don't have to bring the
>    interface up and down every 30 seconds!).
>  ...
>    Hope this helps,
>
> I'll follow up on this and figure out why my RX reset code
> isn't working after I finish up some 2.5.x work.
>
> But looking quickly I think I see what is wrong.  Please give
> this a try (and remember to remove your hacks before testing
> this :-):
>
> --- drivers/net/sungem.c.~1~	Mon Mar 11 04:24:13 2002
> +++ drivers/net/sungem.c	Tue Mar 12 09:30:38 2002
> @@ -357,6 +357,7 @@ static int gem_rxmac_reset(struct gem *g
>
>  		rxd->status_word = cpu_to_le64(RXDCTRL_FRESH(gp));
>  	}
> +	gp->rx_new = gp->rx_old = 0;
>
>  	/* Now we must reprogram the rest of RX unit. */
>  	desc_dma = (u64) gp->gblock_dvma;
> -
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