From f0e10e1253e5cbaab0ccdd25409fb1586b1e8532 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Sun, 14 Oct 2007 00:04:53 +0000
Subject: [PATCH] added some extensions to the phy layer

SVN-Revision: 9297
---
 .../patches-2.6.23/600-phy_extension.patch    | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 target/linux/generic-2.6/patches-2.6.23/600-phy_extension.patch

diff --git a/target/linux/generic-2.6/patches-2.6.23/600-phy_extension.patch b/target/linux/generic-2.6/patches-2.6.23/600-phy_extension.patch
new file mode 100644
index 0000000000..8261d4a481
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.23/600-phy_extension.patch
@@ -0,0 +1,67 @@
+Index: linux-2.6.23/drivers/net/phy/phy.c
+===================================================================
+--- linux-2.6.23.orig/drivers/net/phy/phy.c	2007-10-14 00:05:26.000000000 +0200
++++ linux-2.6.23/drivers/net/phy/phy.c	2007-10-14 00:44:21.000000000 +0200
+@@ -344,6 +344,50 @@
+ }
+ EXPORT_SYMBOL(phy_ethtool_gset);
+ 
++int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr)
++{
++	u32 cmd;
++	int tmp;
++	struct ethtool_cmd ecmd = { ETHTOOL_GSET };
++	struct ethtool_value edata = { ETHTOOL_GLINK };
++
++	if (get_user(cmd, (u32 *) useraddr))
++		return -EFAULT;
++
++	switch (cmd) {
++	case ETHTOOL_GSET:
++		phy_ethtool_gset(phydev, &ecmd);
++		if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
++			return -EFAULT;
++		return 0;
++	
++	case ETHTOOL_SSET:
++		if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
++			return -EFAULT;
++		return phy_ethtool_sset(phydev, &ecmd);
++
++	case ETHTOOL_NWAY_RST:
++		/* if autoneg is off, it's an error */
++		tmp = phy_read(phydev, MII_BMCR);
++		if (tmp & BMCR_ANENABLE) {
++			tmp |= (BMCR_ANRESTART);
++			phy_write(phydev, MII_BMCR, tmp);
++			return 0;
++		}	
++		return -EINVAL;
++
++	case ETHTOOL_GLINK:
++		edata.data = (phy_read(phydev,
++				MII_BMSR) & BMSR_LSTATUS) ? 1 : 0;
++		if (copy_to_user(useraddr, &edata, sizeof(edata)))
++			return -EFAULT;
++		return 0;
++	}
++
++	return -EOPNOTSUPP;
++}
++EXPORT_SYMBOL(phy_ethtool_ioctl);
++
+ /**
+  * phy_mii_ioctl - generic PHY MII ioctl interface
+  * @phydev: the phy_device struct
+Index: linux-2.6.23/include/linux/phy.h
+===================================================================
+--- linux-2.6.23.orig/include/linux/phy.h	2007-10-14 00:05:15.000000000 +0200
++++ linux-2.6.23/include/linux/phy.h	2007-10-14 00:18:54.000000000 +0200
+@@ -393,6 +393,7 @@
+ void phy_stop_machine(struct phy_device *phydev);
+ int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
+ int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
++int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr);
+ int phy_mii_ioctl(struct phy_device *phydev,
+ 		struct mii_ioctl_data *mii_data, int cmd);
+ int phy_start_interrupts(struct phy_device *phydev);