netdev - Re: [PATCH net-next 0/4] net: bridge: fdb activity tracking

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Date:   Wed, 24 Jun 2020 14:37:08 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     nikolay@...ulusnetworks.com
Cc:     netdev@...r.kernel.org, roopa@...ulusnetworks.com,
        anuradhak@...ulusnetworks.com, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next 0/4] net: bridge: fdb activity tracking

From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Date: Tue, 23 Jun 2020 23:47:14 +0300

> This set adds extensions needed for EVPN multi-homing proper and
> efficient mac sync. User-space (e.g. FRR) needs to be able to track
> non-dynamic entry activity on per-fdb basis depending if a tracked fdb is
> currently peer active or locally active and needs to be able to add new
> peer active fdb (static + track + inactive) without refreshing it to get
> real activity tracking. Patch 02 adds a new NDA attribute - NDA_FDB_EXT_ATTRS
> to avoid future pollution of NDA attributes by bridge or vxlan. New
> bridge/vxlan specific fdb attributes are embedded in NDA_FDB_EXT_ATTRS,
> which is used in patch 03 to pass the new NFEA_ACTIVITY_NOTIFY attribute
> which controls if an fdb should be tracked and also reflects its current
> state when dumping. It is treated as a bitfield, current valid bits are:
>  1 - mark an entry for activity tracking
>  2 - mark an entry as inactive to avoid multiple notifications and
>      reflect state properly
> 
> Patch 04 adds the ability to avoid refreshing an entry when changing it
> via the NFEA_DONT_REFRESH flag. That allows user-space to mark a static
> entry for tracking and keep its real activity unchanged.
> The set has been extensively tested with FRR and those changes will
> be upstreamed if/after it gets accepted.

Series applied, thanks.