Re: [PATCH 11/11] net: xilinx: Show csum in bootlog

From: Ben Hutchings
Date: Fri Oct 05 2012 - 09:36:50 EST


On Fri, 2012-10-05 at 07:48 +0200, Michal Simek wrote:
> On 10/04/2012 09:15 PM, Ben Hutchings wrote:
> > On Thu, 2012-10-04 at 20:14 +0200, Michal Simek wrote:
> >> Just show current setting in bootlog.
> > [...]
> >> --- a/drivers/net/ethernet/xilinx/ll_temac_main.c
> >> +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
> >> @@ -1052,12 +1052,14 @@ static int __devinit temac_of_probe(struct platform_device *op)
> >> /* Setup checksum offload, but default to off if not specified */
> >> lp->temac_features = 0;
> >> p = (__be32 *)of_get_property(op->dev.of_node, "xlnx,txcsum", NULL);
> >> + dev_info(&op->dev, "TX_CSUM %d\n", be32_to_cpup(p));
> >> if (p && be32_to_cpu(*p)) {
> >> lp->temac_features |= TEMAC_FEATURE_TX_CSUM;
> >> /* Can checksum TCP/UDP over IPv4. */
> >> ndev->features |= NETIF_F_IP_CSUM;
> >> }
> >> p = (__be32 *)of_get_property(op->dev.of_node, "xlnx,rxcsum", NULL);
> >> + dev_info(&op->dev, "RX_CSUM %d\n", be32_to_cpup(p));
> > [...]
> >
> > Is there any particular reason you think this needs to be logged by
> > default, rather than letting users run ethtool -k? I suggest using
> > dev_dbg() instead.
>
> The reason was just to show it in the bootlog.
> I will check ethtool support for these drivers.

'ethtool -k' should just work so long as the driver sets the right bits
in ndev->features.

Ben.

--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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