netdev - RE: [PATCH net-next 10/11] net: stmmac: Introduce selftests support

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Date:   Thu, 9 May 2019 15:11:21 +0000
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Andrew Lunn <andrew@...n.ch>, Jose Abreu <Jose.Abreu@...opsys.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>
Subject: RE: [PATCH net-next 10/11] net: stmmac: Introduce selftests support

From: Andrew Lunn <andrew@...n.ch>
Date: Thu, May 09, 2019 at 13:21:18

> > > You also seem to be missing a test for adding a unicast address via
> > > dev_uc_add() and receiving packets for that address, but not receiving
> > > multicast packets.
> > 
> > Hmm, what if interface was already configured to receive Multicast before 
> > running the tests ?
> 
> The kernel keeps a list of unicast and multicast addresses, which have
> been added to the filters. You could remove them all, do the test, and
> then add them back. __dev_mc_unsync(), __dev_mc_sync() etc.

Thanks! I've implemented the "MC Filter" and "UC Filter" tests and due to 
that I found another bug in the driver :D

Thanks,
Jose Miguel Abreu