ice: Add support for 100G KR2/CR2/SR2 link reporting

Commit 2736d94f351b ("ethtool: Added support for 50Gbps per lane link modes")
in v5.1 added (among other things) support for 100G CR2/KR2/SR2 link modes.
Advertise these link modes if the firmware reports the corresponding PHY types.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 4191994..42ff621 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -1950,8 +1950,7 @@ ice_phy_type_to_ethtool(struct net_device *netdev,
                           ICE_PHY_TYPE_LOW_100G_CAUI4 |
                           ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
                           ICE_PHY_TYPE_LOW_100G_AUI4 |
-                          ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
-                          ICE_PHY_TYPE_LOW_100GBASE_CP2;
+                          ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4;
        phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
                           ICE_PHY_TYPE_HIGH_100G_CAUI2 |
                           ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
@@ -1964,15 +1963,27 @@ ice_phy_type_to_ethtool(struct net_device *netdev,
                                                100000baseCR4_Full);
        }
 
-       phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
-                          ICE_PHY_TYPE_LOW_100GBASE_SR2;
-       if (phy_types_low & phy_type_mask_lo) {
+       if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) {
+               ethtool_link_ksettings_add_link_mode(ks, supported,
+                                                    100000baseCR2_Full);
+               ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+                                               100000baseCR2_Full);
+       }
+
+       if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4) {
                ethtool_link_ksettings_add_link_mode(ks, supported,
                                                     100000baseSR4_Full);
                ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
                                                100000baseSR4_Full);
        }
 
+       if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) {
+               ethtool_link_ksettings_add_link_mode(ks, supported,
+                                                    100000baseSR2_Full);
+               ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+                                               100000baseSR2_Full);
+       }
+
        phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
                           ICE_PHY_TYPE_LOW_100GBASE_DR;
        if (phy_types_low & phy_type_mask_lo) {
@@ -1984,14 +1995,20 @@ ice_phy_type_to_ethtool(struct net_device *netdev,
 
        phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
                           ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
-       phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
-       if (phy_types_low & phy_type_mask_lo ||
-           phy_types_high & phy_type_mask_hi) {
+       if (phy_types_low & phy_type_mask_lo) {
                ethtool_link_ksettings_add_link_mode(ks, supported,
                                                     100000baseKR4_Full);
                ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
                                                100000baseKR4_Full);
        }
+
+       if (phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) {
+               ethtool_link_ksettings_add_link_mode(ks, supported,
+                                                    100000baseKR2_Full);
+               ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+                                               100000baseKR2_Full);
+       }
+
 }
 
 #define TEST_SET_BITS_TIMEOUT  50
@@ -2299,7 +2316,13 @@ ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
            ethtool_link_ksettings_test_link_mode(ks, advertising,
                                                  100000baseLR4_ER4_Full) ||
            ethtool_link_ksettings_test_link_mode(ks, advertising,
-                                                 100000baseKR4_Full))
+                                                 100000baseKR4_Full) ||
+           ethtool_link_ksettings_test_link_mode(ks, advertising,
+                                                 100000baseCR2_Full) ||
+           ethtool_link_ksettings_test_link_mode(ks, advertising,
+                                                 100000baseSR2_Full) ||
+           ethtool_link_ksettings_test_link_mode(ks, advertising,
+                                                 100000baseKR2_Full))
                adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
 
        return adv_link_speed;