netdev - Re: [PATCH] net: added support for 40GbE link.

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Message-ID: <4FDF56FB.9080509@hp.com>
Date:	Mon, 18 Jun 2012 09:27:39 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Parav Pandit <parav.pandit@...lex.com>
CC:	netdev@...r.kernel.org, bhutchings@...arflare.com
Subject: Re: [PATCH] net: added support for 40GbE link.

On 06/18/2012 05:44 AM, Parav Pandit wrote:

> diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
> index 297370a..1ebfa6e 100644
> --- a/include/linux/ethtool.h
> +++ b/include/linux/ethtool.h
> @@ -1153,6 +1153,10 @@ struct ethtool_ops {
>   #define SUPPORTED_10000baseR_FEC	(1<<  20)
>   #define SUPPORTED_20000baseMLD2_Full	(1<<  21)
>   #define SUPPORTED_20000baseKR2_Full	(1<<  22)
> +#define SUPPORTED_40000baseKR4_Full	(1<<  23)
> +#define SUPPORTED_40000baseCR4_Full	(1<<  24)
> +#define SUPPORTED_40000baseSR4_Full	(1<<  25)
> +#define SUPPORTED_40000baseLR4_Full	(1<<  26)
>
>   /* Indicates what features are advertised by the interface. */
>   #define ADVERTISED_10baseT_Half		(1<<  0)
> @@ -1178,6 +1182,10 @@ struct ethtool_ops {
>   #define ADVERTISED_10000baseR_FEC	(1<<  20)
>   #define ADVERTISED_20000baseMLD2_Full	(1<<  21)
>   #define ADVERTISED_20000baseKR2_Full	(1<<  22)
> +#define ADVERTISED_40000baseKR4_Full	(1<<  23)
> +#define ADVERTISED_40000baseCR4_Full	(1<<  24)
> +#define ADVERTISED_40000baseSR4_Full	(1<<  25)
> +#define ADVERTISED_40000baseLR4_Full	(1<<  26)

Any idea how many defines will be wanted for 100 Gbit Ethernet? 
Supported and advertising in ethtool_cmd are __u32s...

rick jones
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