From mboxrd@z Thu Jan  1 00:00:00 1970
From: Francois Romieu <romieu@fr.zoreil.com>
Subject: Re: Possible bug with r8169 driver
Date: Sat, 29 Sep 2012 21:01:05 +0200
Message-ID: <20120929190105.GA8903@electric-eye.fr.zoreil.com>
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Cc: hayeswang <hayeswang@realtek.com>, netdev@vger.kernel.org
To: Nolwenn <donolwenn@gmail.com>
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Nolwenn <donolwenn@gmail.com> :
[...]
> The two dumps are attached (I hope it's what Michel wants !)

(Michel ?)

The device does not see the multicast router advertisement.

Please try the hack below.

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index b47d5b3..8080dac 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -4522,6 +4522,8 @@ static void rtl_set_rx_mode(struct net_device *dev)
 
 		mc_filter[0] = swab32(mc_filter[1]);
 		mc_filter[1] = swab32(data);
+		tmp |= 0xff7e1880;
+		RTL_W32(RxConfig, tmp);
 	}
 
 	RTL_W32(MAR0 + 4, mc_filter[1]);