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    SubjectRe: via-rhine timeouts
    I tried this, and the problem did not go away.  I got about 300K/S
    versus the 7-8M/S I get with the linuxfet driver.

    Andy Carlson |\ _,,,---,,_
    naclos@swbell.net ZZZzz /,`.-'`' -. ;-;;,_
    Cat Pics: http://andyc.dyndns.org/animal.html |,4- ) )-,_. ,\ ( `'-'
    St. Louis, Missouri '---''(_/--' `-'\_)


    On Wed, 23 Jan 2002, Andrew Morton wrote:

    > Urban Widmark wrote:
    > >
    > > writeb(readb(ioaddr + TxConfig) | 0x80, ioaddr + TxConfig);
    > > np->tx_thresh = 0x20;
    > > (linuxfet.c)
    > >
    > > writeb(0x20, ioaddr + TxConfig);
    > > np->tx_thresh = 0x20;
    > > (via-rhine.c)
    > >
    > > Note how the linuxfet driver sets a higher value but does not make the
    > > tx_thresh follow, so if it later gets a "IntrTxUnderrun" it will lower the
    > > threshold. But the chosen value is probably large enough.
    > >
    > > Those of you with this problem could try changing the 0x80 to 0x20 in the
    > > linuxfet.c driver and see if the problem returns (or the other way around
    > > in the via-rhine.c driver).
    > >
    >
    > That would certainly explain why people are seeing success
    > with linuxfet.
    >
    > Here's the test patch which you describe. It would be
    > useful if people could try it..
    >
    > --- linux-2.4.18-pre6/drivers/net/via-rhine.c Tue Jan 22 12:38:30 2002
    > +++ linux-akpm/drivers/net/via-rhine.c Wed Jan 23 12:42:18 2002
    > @@ -965,7 +965,7 @@ static void init_registers(struct net_de
    > /* Initialize other registers. */
    > writew(0x0006, ioaddr + PCIBusConfig); /* Tune configuration??? */
    > /* Configure the FIFO thresholds. */
    > - writeb(0x20, ioaddr + TxConfig); /* Initial threshold 32 bytes */
    > + writeb(0x80, ioaddr + TxConfig); /* Initial threshold 32 bytes */
    > np->tx_thresh = 0x20;
    > np->rx_thresh = 0x60; /* Written in via_rhine_set_rx_mode(). */
    >
    > -
    >

    -
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