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

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Message-Id: <20131021.185759.2298688785062999792.davem@davemloft.net>
Date:	Mon, 21 Oct 2013 18:57:59 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	mceier+kernel@...il.com
Cc:	mugunthanvnm@...com, prabhakar.csengg@...il.com,
	jg1.han@...sung.com, jiri@...nulli.us, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] davinci_emac.c: Fix IFF_ALLMULTI setup

From: Mariusz Ceier <mceier+kernel@...il.com>
Date: Mon, 21 Oct 2013 19:45:04 +0200

> 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.
> 
> Signed-off-by: Mariusz Ceier <mceier+kernel@...il.com>

Applied and queued up for -stable, thanks.
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