netdev - Re: [PATCH net-next 00/17] mlxsw: Introduce algorithmic TCAM support

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Message-Id: <20180725.164632.277300995175715235.davem@davemloft.net>
Date:   Wed, 25 Jul 2018 16:46:32 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     idosch@...lanox.com
Cc:     netdev@...r.kernel.org, jiri@...lanox.com, mlxsw@...lanox.com
Subject: Re: [PATCH net-next 00/17] mlxsw: Introduce algorithmic TCAM
 support

From: Ido Schimmel <idosch@...lanox.com>
Date: Wed, 25 Jul 2018 09:23:49 +0300

> The Spectrum-2 ASIC uses an algorithmic TCAM (A-TCAM) where multiple
> exact matches lookups are performed instead of a single lookup as with
> standard circuit TCAM (C-TCAM) memory. This allows for higher scale and
> reduced power consumption.
> 
> The lookups are performed by masking a packet using different masks
> (e.g., {dst_ip/24, ethtype}) defined for the region and looking for an
> exact match. Eventually, the rule with the highest priority will be
> picked.
> 
> Since the number of masks per-region is limited, the ASIC includes a
> C-TCAM that can be used as a spill area for rules that do not fit into
> the A-TCAM.
 ...

Looks great, series applied, thanks!