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

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Date:	Mon, 30 Mar 2015 13:48:34 -0700
From:	"Samudrala, Sridhar" <sridhar.samudrala@...el.com>
To:	roopa <roopa@...ulusnetworks.com>, 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 3/30/2015 6:38 AM, roopa wrote:
> 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.
>
I was also planning to use this flag to enable lowerdev walk for fdb 
add/delete on a team device with switchdev
member ports and not attached to a bridge.
Will submit a RFC patch for review.

Thanks
Sridhar
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