linux-kernel - Re: [PATCH net-next 0/4] net: ethernet: ti: cpsw: fix vlan mcast

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Date:   Thu, 25 Oct 2018 11:34:41 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     ivan.khoronzhuk@...aro.org
Cc:     grygorii.strashko@...com, linux-omap@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexander.h.duyck@...el.com, bjorn@...k.no
Subject: Re: [PATCH net-next 0/4] net: ethernet: ti: cpsw: fix vlan mcast

From: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
Date: Thu, 25 Oct 2018 01:10:55 +0300

> The cpsw holds separate mcast entires for vlan entries. At this moment
> driver adds only not vlan mcast addresses, omitting vlan/mcast entries.
> As result mcast for vlans doesn't work. It can be fixed by adding same
> mcast entries for every created vlan, but this patchseries uses more
> sophisticated way and allows to create mcast entries only for vlans
> that really require it. Generic functions from this series can be
> reused for fixing vlan and macvlan unicast.

This is a bug fix but targetted at net-next, and indeed it is quite
invasive as it adds new core infrastructure and converts the generic
vlan code over to using it.

Unfortunately net-next is closed.

So if you want this bug fixed in mainline you will have to come up
with a less invasive fix, and resubmit this net-next approach when the
net-next tree opens back up.

Thank you.