linux-kernel - Re: [PATCH] davinci_emac.c: Fix IFF

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Message-ID: <CA+V-a8ud7PJXRH-cLkj2YknkKaFy2XZOh4yPjc2yhk1+M1twTQ@mail.gmail.com>
Date:	Tue, 22 Oct 2013 08:04:39 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Mariusz Ceier <mceier+kernel@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Mugunthan V N <mugunthanvnm@...com>,
	Jingoo Han <jg1.han@...sung.com>,
	Jiri Pirko <jiri@...nulli.us>, netdev <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] davinci_emac.c: Fix IFF_ALLMULTI setup

Hi Mariusz,

On Mon, Oct 21, 2013 at 11:15 PM, Mariusz Ceier <mceier+kernel@...il.com> wrote:
> When IFF_ALLMULTI flag is set on interface and IFF_PROMISC isn't,
> emac_dev_mcast_set should only enable RX of multicasts and reset
> MACHASH registers.
>
> It does this, but afterwards it either sets up multicast MACs
> filtering or disables RX of multicasts and resets MACHASH registers
> again, rendering IFF_ALLMULTI flag useless.
>
> This patch fixes emac_dev_mcast_set, so that multicast MACs filtering and
> disabling of RX of multicasts are skipped when IFF_ALLMULTI flag is set.
>
> Tested with kernel 2.6.37.
>
It would have been better if you would have tested this on the latest kernel.
Anyway David has pulled this patch in his tree.

Regards,
--Prabhakar Lad
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