netdev - RE: Possible bug with r8169 driver

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Message-ID: <2B85B2AE7F334F8CBC4C4A084CA849FB@realtek.com.tw>
Date:	Thu, 4 Oct 2012 10:09:22 +0800
From:	hayeswang <hayeswang@...ltek.com>
To:	'Francois Romieu' <romieu@...zoreil.com>
CC:	'Nolwenn' <donolwenn@...il.com>, <netdev@...r.kernel.org>,
	'nic_swsd' <nic_swsd@...ltek.com>
Subject: RE: Possible bug with r8169 driver

Francois Romieu [mailto:romieu@...zoreil.com] 
[...]
> diff --git a/drivers/net/ethernet/realtek/r8169.c 
> b/drivers/net/ethernet/realtek/r8169.c
> index eb81da4..e0f1b8d 100644
> --- a/drivers/net/ethernet/realtek/r8169.c
> +++ b/drivers/net/ethernet/realtek/r8169.c
> @@ -4271,8 +4271,8 @@ static void rtl_set_rx_mode(struct 
> net_device *dev)
>  		mc_filter[1] = swab32(data);
>  	}
>  
> -	RTL_W32(MAR0 + 4, mc_filter[1]);
> -	RTL_W32(MAR0 + 0, mc_filter[0]);
> +	RTL_W32(MAR0 + 4, 0xffffffff);
> +	RTL_W32(MAR0 + 0, 0xffffffff);
>  
>  	RTL_W32(RxConfig, tmp);
>  }

The RTL_GIGA_MAC_VER_35 is designed without multicast hardware filter, so you
should set IO 0x08 ~ 0x0f to 0xff for receiving all multicast packets without
filtering them.

Best Regards,
Hayes

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