net: mii: Report advertised link capabilities when autonegotiation is off

Unify the set of information returned by mii_ethtool_get_link_ksettings(),
mii_ethtool_gset() and phy_ethtool_ksettings_get(). Make the mii_*()
functions report advertised settings when autonegotiation if disabled.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201027114317.8259-1-l.stelmach@samsung.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/mii.c b/drivers/net/mii.c
index f6a97c8..e71ebb9 100644 (file)
--- a/drivers/net/mii.c
+++ b/drivers/net/mii.c
@@ -84,15 +84,16 @@ int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
                ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
                stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
        }
+
+       ecmd->advertising |= mii_get_an(mii, MII_ADVERTISE);
+       if (mii->supports_gmii)
+               ecmd->advertising |=
+                       mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
+
        if (bmcr & BMCR_ANENABLE) {
                ecmd->advertising |= ADVERTISED_Autoneg;
                ecmd->autoneg = AUTONEG_ENABLE;
 
-               ecmd->advertising |= mii_get_an(mii, MII_ADVERTISE);
-               if (mii->supports_gmii)
-                       ecmd->advertising |=
-                                       mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
-
                if (bmsr & BMSR_ANEGCOMPLETE) {
                        ecmd->lp_advertising = mii_get_an(mii, MII_LPA);
                        ecmd->lp_advertising |=
@@ -171,14 +172,15 @@ void mii_ethtool_get_link_ksettings(struct mii_if_info *mii,
                ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
                stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
        }
+
+       advertising |= mii_get_an(mii, MII_ADVERTISE);
+       if (mii->supports_gmii)
+               advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
+
        if (bmcr & BMCR_ANENABLE) {
                advertising |= ADVERTISED_Autoneg;
                cmd->base.autoneg = AUTONEG_ENABLE;
 
-               advertising |= mii_get_an(mii, MII_ADVERTISE);
-               if (mii->supports_gmii)
-                       advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
-
                if (bmsr & BMSR_ANEGCOMPLETE) {
                        lp_advertising = mii_get_an(mii, MII_LPA);
                        lp_advertising |=