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- From d6bd25b692378ec17bdb1023d398c03c45829947 Mon Sep 17 00:00:00 2001
- From: Russell King <rmk+kernel@arm.linux.org.uk>
- Date: Thu, 1 Oct 2015 20:27:19 +0100
- Subject: [PATCH 724/744] phylink: add ethtool nway_reset support
- Add ethtool nway_reset support to phylink, to allow userspace to
- request a re-negotiation of the link.
- Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
- Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
- ---
- drivers/net/phy/phylink.c | 14 ++++++++++++++
- include/linux/phylink.h | 1 +
- 2 files changed, 15 insertions(+)
- --- a/drivers/net/phy/phylink.c
- +++ b/drivers/net/phy/phylink.c
- @@ -687,6 +687,20 @@ int phylink_ethtool_set_settings(struct
- }
- EXPORT_SYMBOL_GPL(phylink_ethtool_set_settings);
-
- +int phylink_ethtool_nway_reset(struct phylink *pl)
- +{
- + int ret = 0;
- +
- + mutex_lock(&pl->config_mutex);
- + if (pl->phydev)
- + ret = genphy_restart_aneg(pl->phydev);
- + phylink_mac_an_restart(pl);
- + mutex_unlock(&pl->config_mutex);
- +
- + return ret;
- +}
- +EXPORT_SYMBOL_GPL(phylink_ethtool_nway_reset);
- +
- /* This emulates MII registers for a fixed-mode phy operating as per the
- * passed in state. "aneg" defines if we report negotiation is possible.
- *
- --- a/include/linux/phylink.h
- +++ b/include/linux/phylink.h
- @@ -65,6 +65,7 @@ void phylink_stop(struct phylink *);
-
- int phylink_ethtool_get_settings(struct phylink *, struct ethtool_cmd *);
- int phylink_ethtool_set_settings(struct phylink *, struct ethtool_cmd *);
- +int phylink_ethtool_nway_reset(struct phylink *);
- int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
-
- void phylink_set_link_port(struct phylink *pl, u32 support, u8 port);
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