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From: "Henning P. Schmiedehausen" <hps@intermeta.de>
Newsgroups: hometree.linux.kernel
Subject: Re: Oops with 3c59x module (3com 3c595 NIC)
Date: Sun, 8 Dec 2002 12:30:32 +0000 (UTC)
Organization: INTERMETA - Gesellschaft fuer Mehrwertdienste mbH
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References: <20021207164300.2a35f18d.mjr318@psu.edu> <3DF2738A.2447599@digeo.com> <3DF28151.40706@pobox.com>
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Jeff Garzik <jgarzik@pobox.com> writes:

>pci-skeleton.c and several of Don's drivers actually do do something 
>else on TxUnderrun, twiddle DMA burst settings:

>         if ((intr_status & TxUnderrun)
>                 && (np->tx_config & TxThresholdField) != 
>TxThresholdField) {
>                 long ioaddr = dev->base_addr;
>                 np->tx_config += TxThresholdInc;
>                 writel(np->tx_config, ioaddr + TxMode);
>                 np->stats.tx_fifo_errors++;
>         }

>I wonder how feasible it is to do that on 3c59x hardware?

I wonder whether this is not a layer violation. Shouldn't there be
some sort of API call to do this?

	Regards
		Henning


-- 
Dipl.-Inf. (Univ.) Henning P. Schmiedehausen       -- Geschaeftsfuehrer
INTERMETA - Gesellschaft fuer Mehrwertdienste mbH     hps@intermeta.de

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