netdev - Re: [PATCH net-next 4/5] mlxsw: spectrum_flower: Add ability to match on layer 2 miss

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Date: Fri, 19 May 2023 13:35:50 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Ido Schimmel <idosch@...dia.com>
Cc: netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
	davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
	edumazet@...gle.com, razor@...ckwall.org, roopa@...dia.com,
	taras.chornyi@...ision.eu, saeedm@...dia.com, leon@...nel.org,
	petrm@...dia.com, vladimir.oltean@....com, claudiu.manoil@....com,
	alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
	jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
	taspelund@...dia.com
Subject: Re: [PATCH net-next 4/5] mlxsw: spectrum_flower: Add ability to
 match on layer 2 miss

On Thu, May 18, 2023 at 02:33:27PM +0300, Ido Schimmel wrote:
> Add the 'dmac_type' key element to supported key blocks and make use of
> it to match on layer 2 miss.
> 
> This is a two bits key in hardware with the following values:
> 00b - Known multicast.
> 01b - Broadcast.
> 10b - Known unicast.
> 11b - Unknown unicast or unregistered multicast.
> 
> When 'l2_miss' is set we need to match on 01b or 11b. Therefore, only
> match on the LSB in order to differentiate between both cases of
> 'l2_miss'.
> 
> Tested on Spectrum-{1,2,3,4}.
> 
> Signed-off-by: Ido Schimmel <idosch@...dia.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>