From ea362458cbb12e23528eb78370b957590cf73fb1 Mon Sep 17 00:00:00 2001
From: CleverMouse <theclevermouse@yandex.ru>
Date: Wed, 27 Nov 2013 11:09:26 +0000
Subject: [PATCH] rtl8169: make sure that upper dword of rx/tx ring address is
 zero

git-svn-id: svn://kolibrios.org@4301 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 drivers/ethernet/RTL8169.asm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/ethernet/RTL8169.asm b/drivers/ethernet/RTL8169.asm
index 5570cc1266..bf6bdef765 100644
--- a/drivers/ethernet/RTL8169.asm
+++ b/drivers/ethernet/RTL8169.asm
@@ -957,11 +957,17 @@ hw_start:
         GetRealAddr
         set_io  REG_TxDescStartAddr
         out     dx, eax
+        set_io  REG_TxDescStartAddr + 4
+        xor     eax, eax
+        out     dx, eax
 
         lea     eax, [device.rx_ring]
         GetRealAddr
         set_io  REG_RxDescStartAddr
         out     dx, eax
+        xor     eax, eax
+        set_io  REG_RxDescStartAddr + 4
+        out     dx, eax
 
         set_io  REG_Cfg9346
         mov     al, CFG_9346_Lock