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

From: Stephen Hemminger <[email-masked]>
Date: Fri, 22 May 2009 08:02:24 -0700

On Fri, 22 May 2009 07:54:26 -0700
Chaitanya Lala <[email-masked]> 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 <[email-masked]>
> Signed-off-by: Arthur Jones <[email-masked]>
> ---
>  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..37bbeaf 100644
> --- a/ethtool-copy.h
> +++ b/ethtool-copy.h
> @@ -23,6 +23,7 @@ struct ethtool_cmd {
>  	__u8	phy_address;
>  	__u8	transceiver;	/* Which transceiver to use */
>  	__u8	autoneg;	/* Enable or disable autonegotiation */
> +	__u8	is_mdix;
>  	__u32	maxtxpkt;	/* Tx pkts before generating tx int */
>  	__u32	maxrxpkt;	/* Rx pkts before generating rx int */
>  	__u16	speed_hi;
>

Is this an ABI change (or are you just reusing a pad hole)?

--