364befeccf
Refresh patches. Minor update 704-phy-no-genphy-soft-reset.patch which was partially accepted upstream. Compile-tested on ar71xx. Runtime-tested on ar71xx. Fixes the following vulnerabilities: - CVE-2017-7533 (4.4.80) - CVE-2017-1000111 (4.4.82) - CVE-2017-1000112 (4.4.82) Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> [cleanup commit message, add compile/runtime tested] Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
63 lines
1.8 KiB
Diff
63 lines
1.8 KiB
Diff
--- a/drivers/net/phy/phy.c
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+++ b/drivers/net/phy/phy.c
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@@ -385,6 +385,50 @@ int phy_ethtool_gset(struct phy_device *
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}
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EXPORT_SYMBOL(phy_ethtool_gset);
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+int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr)
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+{
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+ u32 cmd;
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+ int tmp;
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+ struct ethtool_cmd ecmd = { ETHTOOL_GSET };
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+ struct ethtool_value edata = { ETHTOOL_GLINK };
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+
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+ if (get_user(cmd, (u32 *) useraddr))
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+ return -EFAULT;
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+
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+ switch (cmd) {
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+ case ETHTOOL_GSET:
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+ phy_ethtool_gset(phydev, &ecmd);
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+ if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
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+ return -EFAULT;
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+ return 0;
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+
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+ case ETHTOOL_SSET:
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+ if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
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+ return -EFAULT;
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+ return phy_ethtool_sset(phydev, &ecmd);
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+
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+ case ETHTOOL_NWAY_RST:
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+ /* if autoneg is off, it's an error */
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+ tmp = phy_read(phydev, MII_BMCR);
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+ if (tmp & BMCR_ANENABLE) {
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+ tmp |= (BMCR_ANRESTART);
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+ phy_write(phydev, MII_BMCR, tmp);
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+ return 0;
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+ }
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+ return -EINVAL;
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+
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+ case ETHTOOL_GLINK:
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+ edata.data = (phy_read(phydev,
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+ MII_BMSR) & BMSR_LSTATUS) ? 1 : 0;
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+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
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+ return -EFAULT;
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+ return 0;
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+ }
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+
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+ return -EOPNOTSUPP;
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+}
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+EXPORT_SYMBOL(phy_ethtool_ioctl);
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+
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/**
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* phy_mii_ioctl - generic PHY MII ioctl interface
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* @phydev: the phy_device struct
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--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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@@ -800,6 +800,7 @@ void phy_start_machine(struct phy_device
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void phy_stop_machine(struct phy_device *phydev);
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int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
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int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
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+int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr);
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int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
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int phy_start_interrupts(struct phy_device *phydev);
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void phy_print_status(struct phy_device *phydev);
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