netdev - Re: [PATCH net-next 13/18] switchdev: remove unused NETIF_F_HW_SWITCH

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Message-ID: <551951CD.1060301@cumulusnetworks.com>
Date:	Mon, 30 Mar 2015 06:38:21 -0700
From:	roopa <roopa@...ulusnetworks.com>
To:	sfeldma@...il.com
CC:	netdev@...r.kernel.org, jiri@...nulli.us, linux@...ck-us.net,
	f.fainelli@...il.com
Subject: Re: [PATCH net-next 13/18] switchdev: remove unused NETIF_F_HW_SWITCH_OFFLOAD

On 3/30/15, 1:40 AM, sfeldma@...il.com wrote:
> From: Scott Feldman <sfeldma@...il.com>
>
> Flag is no longer needed so remove it.  Using the attr get/set recurse algo
> obsoletes the flag.  Setting the flag on bond/team interface, even when the
> consitient member ports didn't have flag set was confusing.
>
> Signed-off-by: Scott Feldman <sfeldma@...il.com>

The flag was there to avoid the recursive lowerdev walk where possible.
bond will have the flag if any one slave can have it. You don't walk the 
bond if it does not have the flag.
Also, this allows the user to disable the feature from userspace if 
required and move everything to software.

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