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-rw-r--r--drivers/net/phy/phy-core.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 21f75ae244b3..c0ad08fa9d2c 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -189,6 +189,49 @@ size_t phy_speeds(unsigned int *speeds, size_t size,
return count;
}
+/**
+ * phy_resolve_aneg_linkmode - resolve the advertisments into phy settings
+ * @phydev: The phy_device struct
+ *
+ * Resolve our and the link partner advertisments into their corresponding
+ * speed and duplex. If full duplex was negotiated, extract the pause mode
+ * from the link partner mask.
+ */
+void phy_resolve_aneg_linkmode(struct phy_device *phydev)
+{
+ u32 common = phydev->lp_advertising & phydev->advertising;
+
+ if (common & ADVERTISED_10000baseT_Full) {
+ phydev->speed = SPEED_10000;
+ phydev->duplex = DUPLEX_FULL;
+ } else if (common & ADVERTISED_1000baseT_Full) {
+ phydev->speed = SPEED_1000;
+ phydev->duplex = DUPLEX_FULL;
+ } else if (common & ADVERTISED_1000baseT_Half) {
+ phydev->speed = SPEED_1000;
+ phydev->duplex = DUPLEX_HALF;
+ } else if (common & ADVERTISED_100baseT_Full) {
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_FULL;
+ } else if (common & ADVERTISED_100baseT_Half) {
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_HALF;
+ } else if (common & ADVERTISED_10baseT_Full) {
+ phydev->speed = SPEED_10;
+ phydev->duplex = DUPLEX_FULL;
+ } else if (common & ADVERTISED_10baseT_Half) {
+ phydev->speed = SPEED_10;
+ phydev->duplex = DUPLEX_HALF;
+ }
+
+ if (phydev->duplex == DUPLEX_FULL) {
+ phydev->pause = !!(phydev->lp_advertising & ADVERTISED_Pause);
+ phydev->asym_pause = !!(phydev->lp_advertising &
+ ADVERTISED_Asym_Pause);
+ }
+}
+EXPORT_SYMBOL_GPL(phy_resolve_aneg_linkmode);
+
static void mmd_phy_indirect(struct mii_bus *bus, int phy_addr, int devad,
u16 regnum)
{