netdev - Re: [PATCH 1/1] ethtool: Expose MDI-X status

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Message-ID: <4A1C0C1C.8040401@riverbed.com>
Date:	Tue, 26 May 2009 08:34:52 -0700
From:	Chaitanya Lala <clala@...erbed.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	"jgarzik@...ox.com" <jgarzik@...ox.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/1] ethtool: Expose MDI-X status

Ben Hutchings wrote:
> On Fri, 2009-05-22 at 10:18 -0700, Chaitanya Lala wrote:
>   
>> The MDI-X status is a useful tool for diagnosing network
>> connectivity issues. We expose MDI-X status as a tri-state value
>> status which drivers can optionally implement.
>>
>> Signed-off-by: Chaitanya Lala <clala@...erbed.com>
>> Signed-off-by: Arthur Jones <ajones@...erbed.com>
>> ---
>>  ethtool-copy.h |    6 ++++++
>>  ethtool.c      |   13 +++++++++++++
>>  2 files changed, 19 insertions(+), 0 deletions(-)
>>
>> diff --git a/ethtool-copy.h b/ethtool-copy.h
>> index 3ca4e2c..d3e1524 100644
>> --- a/ethtool-copy.h
>> +++ b/ethtool-copy.h
>> @@ -28,6 +28,7 @@ struct ethtool_cmd {
>>  	__u16	speed_hi;
>>  	__u16	reserved2;
>>  	__u32	reserved[3];
>> +	__u8	is_mdix;	/* Tri-state value to expose MDI-X */
>>  };
>>     
> [...]
>
> No, you cannot change the size of this structure either.
>   
Hi,

In that case please suggest a way to do this.

Thanks,
Chaitanya
> Ben.
>
>   

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