netdev - Re: [PATCH 07/22] e1000: omit stats for broken counter in 82543

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Date:	Mon, 11 Dec 2006 09:42:50 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	"Kok, Auke" <auke-jan.h.kok@...el.com>
CC:	netdev@...r.kernel.org,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Kok, Auke" <auke@...-projects.org>,
	"Ronciak, John" <john.ronciak@...el.com>
Subject: Re: [PATCH 07/22] e1000: omit stats for broken counter in 82543

Kok, Auke wrote:
> 82543 does not count tx_carrier_errors properly in FD mode.
> 
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>
> ---
> 
>  drivers/net/e1000/e1000_main.c |    7 ++++++-
>  1 files changed, 6 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
> index dc76e01..7639b4d 100644
> --- a/drivers/net/e1000/e1000_main.c
> +++ b/drivers/net/e1000/e1000_main.c
> @@ -3592,7 +3592,12 @@ e1000_update_stats(struct e1000_adapter 
>  	adapter->net_stats.tx_errors = adapter->stats.txerrc;
>  	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
>  	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
> -	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
> +	if (adapter->hw.mac_type == e1000_82543 &&
> +	    adapter->link_duplex == FULL_DUPLEX) {
> +		adapter->net_stats.tx_carrier_errors = 0;
> +		adapter->stats.tncrs = 0;
> +	} else
> +		adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;

test a feature bit (really a quirk bit, in this case)


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