From da369b01d49b34803265096eb92a2d6da61cf0d0 Mon Sep 17 00:00:00 2001
From: Daniele Venzano <webvenza@libero.it>
Date: Thu, 12 May 2005 20:13:14 -0400
Subject: [PATCH 1/2]   [PATCH] More ethtool support for sis900 and warning fix

  Add support to sis900 for the following ethtool ops:
        - get_link
        - get_settings
        - set_settings
        - nway_reset

  Signed-off-by: Daniele Venzano <webvenza@libero.it>
  Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
---
 drivers/net/sis900.c | 52 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 49 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 3e9d9aab0588..3107aed0fb51 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -162,6 +162,7 @@ struct sis900_private {
 	struct mii_phy * mii;
 	struct mii_phy * first_mii; /* record the first mii structure */
 	unsigned int cur_phy;
+	struct mii_if_info mii_info;
 
 	struct timer_list timer; /* Link status detection timer. */
 	u8 autong_complete; /* 1: auto-negotiate complete  */
@@ -203,7 +204,7 @@ static int sis900_open(struct net_device *net_dev);
 static int sis900_mii_probe (struct net_device * net_dev);
 static void sis900_init_rxfilter (struct net_device * net_dev);
 static u16 read_eeprom(long ioaddr, int location);
-static u16 mdio_read(struct net_device *net_dev, int phy_id, int location);
+static int mdio_read(struct net_device *net_dev, int phy_id, int location);
 static void mdio_write(struct net_device *net_dev, int phy_id, int location, int val);
 static void sis900_timer(unsigned long data);
 static void sis900_check_mode (struct net_device *net_dev, struct mii_phy *mii_phy);
@@ -478,7 +479,13 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev,
 		sis_priv->msg_enable = sis900_debug;
 	else
 		sis_priv->msg_enable = SIS900_DEF_MSG;
-		
+
+	sis_priv->mii_info.dev = net_dev;
+	sis_priv->mii_info.mdio_read = mdio_read;
+	sis_priv->mii_info.mdio_write = mdio_write;
+	sis_priv->mii_info.phy_id_mask = 0x1f;
+	sis_priv->mii_info.reg_num_mask = 0x1f;
+
 	/* Get Mac address according to the chip revision */
 	pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &(sis_priv->chipset_rev));
 	if(netif_msg_probe(sis_priv))
@@ -725,6 +732,8 @@ static u16 sis900_default_phy(struct net_device * net_dev)
 		       pci_name(sis_priv->pci_dev), sis_priv->cur_phy);
 	}
 	
+	sis_priv->mii_info.phy_id = sis_priv->cur_phy;
+
 	status = mdio_read(net_dev, sis_priv->cur_phy, MII_CONTROL);
 	status &= (~MII_CNTL_ISOLATE);
 
@@ -852,7 +861,7 @@ static void mdio_reset(long mdio_addr)
  *	Please see SiS7014 or ICS spec
  */
 
-static u16 mdio_read(struct net_device *net_dev, int phy_id, int location)
+static int mdio_read(struct net_device *net_dev, int phy_id, int location)
 {
 	long mdio_addr = net_dev->base_addr + mear;
 	int mii_cmd = MIIread|(phy_id<<MIIpmdShift)|(location<<MIIregShift);
@@ -1966,10 +1975,47 @@ static void sis900_set_msglevel(struct net_device *net_dev, u32 value)
 	sis_priv->msg_enable = value;
 }
 
+static u32 sis900_get_link(struct net_device *net_dev)
+{
+	struct sis900_private *sis_priv = net_dev->priv;
+	return mii_link_ok(&sis_priv->mii_info);
+}
+
+static int sis900_get_settings(struct net_device *net_dev,
+				struct ethtool_cmd *cmd)
+{
+	struct sis900_private *sis_priv = net_dev->priv;
+	spin_lock_irq(&sis_priv->lock);
+	mii_ethtool_gset(&sis_priv->mii_info, cmd);
+	spin_unlock_irq(&sis_priv->lock);
+	return 0;
+}
+
+static int sis900_set_settings(struct net_device *net_dev,
+				struct ethtool_cmd *cmd)
+{
+	struct sis900_private *sis_priv = net_dev->priv;
+	int rt;
+	spin_lock_irq(&sis_priv->lock);
+	rt = mii_ethtool_sset(&sis_priv->mii_info, cmd);
+	spin_unlock_irq(&sis_priv->lock);
+	return rt;
+}
+
+static int sis900_nway_reset(struct net_device *net_dev)
+{
+	struct sis900_private *sis_priv = net_dev->priv;
+	return mii_nway_restart(&sis_priv->mii_info);
+}
+
 static struct ethtool_ops sis900_ethtool_ops = {
 	.get_drvinfo 	= sis900_get_drvinfo,
 	.get_msglevel	= sis900_get_msglevel,
 	.set_msglevel	= sis900_set_msglevel,
+	.get_link	= sis900_get_link,
+	.get_settings	= sis900_get_settings,
+	.set_settings	= sis900_set_settings,
+	.nway_reset	= sis900_nway_reset,
 };
 
 /**

From 6da0f685935e13458a2206ac872d0d3c67a52f65 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@stusta.de>
Date: Sat, 30 Apr 2005 13:52:49 +0200
Subject: [PATCH 2/2] [PATCH] SIS900 must select MII

This patch fixes the following compile error caused by bk-netdev:

<--  snip  -->

...
  LD      .tmp_vmlinux1
drivers/built-in.o(.text+0x98528): In function `sis900_get_settings':
: undefined reference to `mii_ethtool_gset'
drivers/built-in.o(.text+0x98538): In function `sis900_set_settings':
: undefined reference to `mii_ethtool_sset'
drivers/built-in.o(.text+0x98517): In function `sis900_get_link':
: undefined reference to `mii_link_ok'
drivers/built-in.o(.text+0x98547): In function `sis900_nway_reset':
: undefined reference to `mii_nway_restart'
make: *** [.tmp_vmlinux1] Error 1

<--  snip  -->

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Daniele Venzano <venza@brownhat.org>
---
 drivers/net/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 3a0a55b62aaf..7c5c1acd1474 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1555,6 +1555,7 @@ config SIS900
 	tristate "SiS 900/7016 PCI Fast Ethernet Adapter support"
 	depends on NET_PCI && PCI
 	select CRC32
+	select MII
 	---help---
 	  This is a driver for the Fast Ethernet PCI network cards based on
 	  the SiS 900 and SiS 7016 chips. The SiS 900 core is also embedded in