Commit c6d5d843 authored by Russell King's avatar Russell King Committed by David S. Miller

net: phylink: add phylink_speed_(up|down) interface

Add an interface for the phy_speed_(up|down) functions when a driver
makes use of phylink. These pass the call through to phylib when we
have a normal PHY attached (i.o.w., not a PHY on a SFP module.)
Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4b88b9ce
...@@ -1826,6 +1826,54 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd) ...@@ -1826,6 +1826,54 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd)
} }
EXPORT_SYMBOL_GPL(phylink_mii_ioctl); EXPORT_SYMBOL_GPL(phylink_mii_ioctl);
/**
* phylink_speed_down() - set the non-SFP PHY to lowest speed supported by both
* link partners
* @pl: a pointer to a &struct phylink returned from phylink_create()
* @sync: perform action synchronously
*
* If we have a PHY that is not part of a SFP module, then set the speed
* as described in the phy_speed_down() function. Please see this function
* for a description of the @sync parameter.
*
* Returns zero if there is no PHY, otherwise as per phy_speed_down().
*/
int phylink_speed_down(struct phylink *pl, bool sync)
{
int ret = 0;
ASSERT_RTNL();
if (!pl->sfp_bus && pl->phydev)
ret = phy_speed_down(pl->phydev, sync);
return ret;
}
EXPORT_SYMBOL_GPL(phylink_speed_down);
/**
* phylink_speed_up() - restore the advertised speeds prior to the call to
* phylink_speed_down()
* @pl: a pointer to a &struct phylink returned from phylink_create()
*
* If we have a PHY that is not part of a SFP module, then restore the
* PHY speeds as per phy_speed_up().
*
* Returns zero if there is no PHY, otherwise as per phy_speed_up().
*/
int phylink_speed_up(struct phylink *pl)
{
int ret = 0;
ASSERT_RTNL();
if (!pl->sfp_bus && pl->phydev)
ret = phy_speed_up(pl->phydev);
return ret;
}
EXPORT_SYMBOL_GPL(phylink_speed_up);
static void phylink_sfp_attach(void *upstream, struct sfp_bus *bus) static void phylink_sfp_attach(void *upstream, struct sfp_bus *bus)
{ {
struct phylink *pl = upstream; struct phylink *pl = upstream;
......
...@@ -392,6 +392,8 @@ int phylink_init_eee(struct phylink *, bool); ...@@ -392,6 +392,8 @@ int phylink_init_eee(struct phylink *, bool);
int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *); int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *);
int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *); int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *);
int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
int phylink_speed_down(struct phylink *pl, bool sync);
int phylink_speed_up(struct phylink *pl);
#define phylink_zero(bm) \ #define phylink_zero(bm) \
bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS) bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS)
......
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