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45 lines
1.4 KiB
Diff
45 lines
1.4 KiB
Diff
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From: Russell King <rmk+kernel@arm.linux.org.uk>
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Date: Thu, 1 Oct 2015 20:27:19 +0100
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Subject: [PATCH] phylink: add ethtool nway_reset support
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Add ethtool nway_reset support to phylink, to allow userspace to
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request a re-negotiation of the link.
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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---
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--- a/drivers/net/phy/phylink.c
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+++ b/drivers/net/phy/phylink.c
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@@ -783,6 +783,20 @@ int phylink_ethtool_ksettings_set(struct
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}
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EXPORT_SYMBOL_GPL(phylink_ethtool_ksettings_set);
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+int phylink_ethtool_nway_reset(struct phylink *pl)
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+{
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+ int ret = 0;
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+
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+ mutex_lock(&pl->config_mutex);
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+ if (pl->phydev)
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+ ret = genphy_restart_aneg(pl->phydev);
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+ phylink_mac_an_restart(pl);
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+ mutex_unlock(&pl->config_mutex);
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+
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+ return ret;
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+}
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+EXPORT_SYMBOL_GPL(phylink_ethtool_nway_reset);
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+
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/* This emulates MII registers for a fixed-mode phy operating as per the
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* passed in state. "aneg" defines if we report negotiation is possible.
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*
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--- a/include/linux/phylink.h
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+++ b/include/linux/phylink.h
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@@ -86,6 +86,7 @@ int phylink_ethtool_ksettings_get(struct
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struct ethtool_link_ksettings *);
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int phylink_ethtool_ksettings_set(struct phylink *,
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const struct ethtool_link_ksettings *);
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+int phylink_ethtool_nway_reset(struct phylink *);
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int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
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int phylink_set_link(struct phylink *pl, unsigned int mode, u8 port,
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