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path: root/target/mips/dragino-ms14s/patches/3.14.17/0002-phy-add-ethtool-ioctl-support-used-by-ag71xx-driver.patch
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Diffstat (limited to 'target/mips/dragino-ms14s/patches/3.14.17/0002-phy-add-ethtool-ioctl-support-used-by-ag71xx-driver.patch')
-rw-r--r--target/mips/dragino-ms14s/patches/3.14.17/0002-phy-add-ethtool-ioctl-support-used-by-ag71xx-driver.patch80
1 files changed, 80 insertions, 0 deletions
diff --git a/target/mips/dragino-ms14s/patches/3.14.17/0002-phy-add-ethtool-ioctl-support-used-by-ag71xx-driver.patch b/target/mips/dragino-ms14s/patches/3.14.17/0002-phy-add-ethtool-ioctl-support-used-by-ag71xx-driver.patch
new file mode 100644
index 000000000..ba7fbfad8
--- /dev/null
+++ b/target/mips/dragino-ms14s/patches/3.14.17/0002-phy-add-ethtool-ioctl-support-used-by-ag71xx-driver.patch
@@ -0,0 +1,80 @@
+From 7b864612a6e3b139a5a607abd0048a19078fe42f Mon Sep 17 00:00:00 2001
+From: Phil Sutter <phil@nwl.cc>
+Date: Wed, 14 May 2014 02:55:06 +0200
+Subject: [PATCH] phy: add ethtool ioctl support, used by ag71xx driver
+
+---
+ drivers/net/phy/phy.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
+ include/linux/phy.h | 1 +
+ 2 files changed, 45 insertions(+)
+
+diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
+index 76d96b9..9439ef3 100644
+--- a/drivers/net/phy/phy.c
++++ b/drivers/net/phy/phy.c
+@@ -293,6 +293,50 @@ int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd)
+ }
+ 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
+diff --git a/include/linux/phy.h b/include/linux/phy.h
+index 565188c..9ab0d79 100644
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -628,6 +628,7 @@ 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_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
++int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr);
+ int phy_start_interrupts(struct phy_device *phydev);
+ void phy_print_status(struct phy_device *phydev);
+ void phy_device_free(struct phy_device *phydev);
+--
+1.8.5.3
+