netdev - Re: Realtek r8168 hangs when sending data at full speed on a gigabit link

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Message-ID: <20130907101546.GA19560@electric-eye.fr.zoreil.com>
Date:	Sat, 7 Sep 2013 12:15:46 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Frédéric Leroy <fredo@...rox.org>
Cc:	netdev@...r.kernel.org,
	Realtek linux nic maintainers <nic_swsd@...ltek.com>,
	David R <david@...olicited.net>,
	Hayes Wang <hayeswang@...ltek.com>
Subject: Re: Realtek r8168 hangs when sending data at full speed on a gigabit
 link

Frédéric Leroy <fredo@...rox.org> :
[...]

Sorry for the delay. It was a busy week.

Can you give the hack below a try ?

David, could you send me the r8169 XID line from a kernel running on
the hardware for which I sent you a similar patch back in 2013/04 ?
You appeared to own a 8168f and it could be a RTL_GIGA_MAC_VER_36.

Thanks.

Hayes, see http://marc.info/?l=linux-netdev&m=137794473416308&w=1 for
history. It could be eb2dc35d99028b698cdedba4f5522bc43e576bd2
("r8169: RxConfig hack for the 8168evl.") return, with a revenge.

---
 drivers/net/ethernet/realtek/r8169.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 6f87f2c..3397cee 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -4231,6 +4231,7 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp)
 	case RTL_GIGA_MAC_VER_23:
 	case RTL_GIGA_MAC_VER_24:
 	case RTL_GIGA_MAC_VER_34:
+	case RTL_GIGA_MAC_VER_35:
 		RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
 		break;
 	case RTL_GIGA_MAC_VER_40:
-- 
1.8.3.1

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