netdev - Re: [patch 13/14] e1000: 3 new driver stats for managability testing

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Date:	Fri, 15 Dec 2006 09:35:24 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Arjan van de Ven <arjan@...ux.intel.com>
CC:	netdev@...r.kernel.org
Subject: Re: [patch 13/14] e1000: 3 new driver stats for managability testing

Arjan van de Ven wrote:
> Subject: e1000: 3 new driver stats for managability testing
> From: Jesse Brandeburg <jesse.brandeburg@...el.com>
> 
> Add 3 extra packet redirect counters for tracking purposes to make sure we
> can test that all packets arrive properly.
> 
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>
> Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
> ---
> 
>  drivers/net/e1000/e1000_ethtool.c |    3 +++
>  drivers/net/e1000/e1000_main.c    |    7 +++++++
>  2 files changed, 10 insertions(+)
> 
> Index: linux-2.6/drivers/net/e1000/e1000_ethtool.c
> ===================================================================
> --- linux-2.6.orig/drivers/net/e1000/e1000_ethtool.c
> +++ linux-2.6/drivers/net/e1000/e1000_ethtool.c
> @@ -100,6 +100,9 @@ static const struct e1000_stats e1000_gs
>  	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
>  	{ "rx_header_split", E1000_STAT(rx_hdr_split) },
>  	{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
> +	{ "tx_smbus", E1000_STAT(stats.mgptc) },
> +	{ "rx_smbus", E1000_STAT(stats.mgprc) },
> +	{ "dropped_smbus", E1000_STAT(stats.mgpdc) },
>  };
>  
>  #define E1000_QUEUE_STATS_LEN 0
> Index: linux-2.6/drivers/net/e1000/e1000_main.c
> ===================================================================
> --- linux-2.6.orig/drivers/net/e1000/e1000_main.c
> +++ linux-2.6/drivers/net/e1000/e1000_main.c
> @@ -3633,6 +3633,13 @@ e1000_update_stats(struct e1000_adapter 
>  			adapter->phy_stats.receive_errors += phy_tmp;
>  	}
>  
> +	/* Management Stats */
> +	if (adapter->hw.mac_type > e1000_82544) {
> +		adapter->stats.mgptc += E1000_READ_REG(hw, MGTPTC);
> +		adapter->stats.mgprc += E1000_READ_REG(hw, MGTPRC);
> +		adapter->stats.mgpdc += E1000_READ_REG(hw, MGTPDC);
> +	}
> +

NAK, ditto


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