Revert "Revert "net: phy: introduce phydev->port""

This reverts commit 9eb951b2e1 as the KABI
can be updated at this point in time.

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ia87e7edfae9240ed890225d32dc22d4c17dca34c

drivers/net/phy/broadcom.c

@@ -505,6 +505,8 @@ static int bcm54616s_probe(struct phy_device *phydev)
 		 */
 		if (!(val & BCM54616S_100FX_MODE))
 			phydev->dev_flags |= PHY_BCM_FLAGS_MODE_1000BX;
+
+		phydev->port = PORT_FIBRE;
 	}
 
 	return 0;

drivers/net/phy/dp83822.c

@@ -534,6 +534,9 @@ static int dp83822_probe(struct phy_device *phydev)
 
 	dp83822_of_init(phydev);
 
+	if (dp83822->fx_enabled)
+		phydev->port = PORT_FIBRE;
+
 	return 0;
 }
 

drivers/net/phy/dp83869.c

@@ -821,6 +821,10 @@ static int dp83869_probe(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
+	if (dp83869->mode == DP83869_RGMII_100_BASE ||
+	    dp83869->mode == DP83869_RGMII_1000_BASE)
+		phydev->port = PORT_FIBRE;
+
 	return dp83869_config_init(phydev);
 }
 

drivers/net/phy/lxt.c

@@ -218,6 +218,7 @@ static int lxt973_probe(struct phy_device *phydev)
 		phy_write(phydev, MII_BMCR, val);
 		/* Remember that the port is in fiber mode. */
 		phydev->priv = lxt973_probe;
+		phydev->port = PORT_FIBRE;
 	} else {
 		phydev->priv = NULL;
 	}

drivers/net/phy/marvell.c

@@ -1449,6 +1449,7 @@ static int marvell_read_status_page(struct phy_device *phydev, int page)
 	phydev->asym_pause = 0;
 	phydev->speed = SPEED_UNKNOWN;
 	phydev->duplex = DUPLEX_UNKNOWN;
+	phydev->port = fiber ? PORT_FIBRE : PORT_TP;
 
 	if (phydev->autoneg == AUTONEG_ENABLE)
 		err = marvell_read_status_page_an(phydev, fiber, status);

drivers/net/phy/marvell10g.c

@@ -631,6 +631,7 @@ static int mv3310_read_status_10gbaser(struct phy_device *phydev)
 	phydev->link = 1;
 	phydev->speed = SPEED_10000;
 	phydev->duplex = DUPLEX_FULL;
+	phydev->port = PORT_FIBRE;
 
 	return 0;
 }
@@ -690,6 +691,7 @@ static int mv3310_read_status_copper(struct phy_device *phydev)
 
 	phydev->duplex = cssr1 & MV_PCS_CSSR1_DUPLEX_FULL ?
 			 DUPLEX_FULL : DUPLEX_HALF;
+	phydev->port = PORT_TP;
 	phydev->mdix = cssr1 & MV_PCS_CSSR1_MDIX ?
 		       ETH_TP_MDI_X : ETH_TP_MDI;
 

drivers/net/phy/micrel.c

@@ -308,14 +308,19 @@ static int kszphy_config_init(struct phy_device *phydev)
 	return kszphy_config_reset(phydev);
 }
 
+static int ksz8041_fiber_mode(struct phy_device *phydev)
+{
+	struct device_node *of_node = phydev->mdio.dev.of_node;
+
+	return of_property_read_bool(of_node, "micrel,fiber-mode");
+}
+
 static int ksz8041_config_init(struct phy_device *phydev)
 {
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
 
-	struct device_node *of_node = phydev->mdio.dev.of_node;
-
 	/* Limit supported and advertised modes in fiber mode */
-	if (of_property_read_bool(of_node, "micrel,fiber-mode")) {
+	if (ksz8041_fiber_mode(phydev)) {
 		phydev->dev_flags |= MICREL_PHY_FXEN;
 		linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, mask);
 		linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, mask);
@@ -1143,6 +1148,9 @@ static int kszphy_probe(struct phy_device *phydev)
 		}
 	}
 
+	if (ksz8041_fiber_mode(phydev))
+		phydev->port = PORT_FIBRE;
+
 	/* Support legacy board-file configuration */
 	if (phydev->dev_flags & MICREL_PHY_50MHZ_CLK) {
 		priv->rmii_ref_clk_sel = true;

drivers/net/phy/phy.c

@@ -327,7 +327,7 @@ void phy_ethtool_ksettings_get(struct phy_device *phydev,
 	if (phydev->interface == PHY_INTERFACE_MODE_MOCA)
 		cmd->base.port = PORT_BNC;
 	else
-		cmd->base.port = PORT_MII;
+		cmd->base.port = phydev->port;
 	cmd->base.transceiver = phy_is_internal(phydev) ?
 				XCVR_INTERNAL : XCVR_EXTERNAL;
 	cmd->base.phy_address = phydev->mdio.addr;

drivers/net/phy/phy_device.c

@@ -576,6 +576,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id,
 	dev->pause = 0;
 	dev->asym_pause = 0;
 	dev->link = 0;
+	dev->port = PORT_TP;
 	dev->interface = PHY_INTERFACE_MODE_GMII;
 
 	dev->autoneg = AUTONEG_ENABLE;
@@ -1384,6 +1385,14 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
 
 	phydev->state = PHY_READY;
 
+	/* Port is set to PORT_TP by default and the actual PHY driver will set
+	 * it to different value depending on the PHY configuration. If we have
+	 * the generic PHY driver we can't figure it out, thus set the old
+	 * legacy PORT_MII value.
+	 */
+	if (using_genphy)
+		phydev->port = PORT_MII;
+
 	/* Initial carrier state is off as the phy is about to be
 	 * (re)initialized.
 	 */

include/linux/phy.h

@@ -499,6 +499,7 @@ struct macsec_ops;
  *
  * @speed: Current link speed
  * @duplex: Current duplex
+ * @port: Current port
  * @pause: Current pause
  * @asym_pause: Current asymmetric pause
  * @supported: Combined MAC/PHY supported linkmodes
@@ -577,6 +578,7 @@ struct phy_device {
 	 */
 	int speed;
 	int duplex;
+	int port;
 	int pause;
 	int asym_pause;
 	u8 master_slave_get;