mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 22:23:27 +00:00
6e48eb22b8
Refresh patches. Compile-tested on octeon and x86/64. Runtime-tested on octeon and x86/64. Fixes the following CVEs: - CVE-2017-14106 - CVE-2017-14497 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
54 lines
1.4 KiB
Diff
54 lines
1.4 KiB
Diff
From: Russell King <rmk+kernel@armlinux.org.uk>
|
|
Date: Thu, 5 Jan 2017 12:21:09 +0000
|
|
Subject: [PATCH] net: phy: restart phy autonegotiation after EEE
|
|
advertisment change
|
|
|
|
When the EEE advertisment is changed, we should restart autonegotiation
|
|
to update the link partner with the new EEE settings. Add this trigger
|
|
but only if the advertisment has changed.
|
|
|
|
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
|
|
---
|
|
|
|
--- a/drivers/net/phy/phy.c
|
|
+++ b/drivers/net/phy/phy.c
|
|
@@ -1352,19 +1352,36 @@ EXPORT_SYMBOL(phy_ethtool_get_eee);
|
|
*/
|
|
int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
|
|
{
|
|
- int cap, adv;
|
|
+ int cap, old_adv, adv, ret;
|
|
|
|
/* Get Supported EEE */
|
|
cap = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
|
|
if (cap < 0)
|
|
return cap;
|
|
|
|
+ old_adv = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
|
|
+ if (old_adv < 0)
|
|
+ return old_adv;
|
|
+
|
|
adv = ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap;
|
|
|
|
/* Mask prohibited EEE modes */
|
|
adv &= ~phydev->eee_broken_modes;
|
|
|
|
- return phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, adv);
|
|
+ if (old_adv != adv) {
|
|
+ ret = phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, adv);
|
|
+ if (ret < 0)
|
|
+ return ret;
|
|
+
|
|
+ /* Restart autonegotiation so the new modes get sent to the
|
|
+ * link partner.
|
|
+ */
|
|
+ ret = phy_restart_aneg(phydev);
|
|
+ if (ret < 0)
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
}
|
|
EXPORT_SYMBOL(phy_ethtool_set_eee);
|
|
|