ixgbe: Display currently attached PHY through ethtool

This patch extends the ethtool interface to display what PHY
is currently connected to a NIC.  The results can be viewed in
ethtool ethX output.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 50 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index a5ca289efc94..1928d559e65f 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -205,6 +205,56 @@ static int ixgbe_get_settings(struct net_device *netdev,
                 ecmd->autoneg = AUTONEG_DISABLE;
         }
 
+        /* Get PHY type */
+        switch (adapter->hw.phy.type) {
+        case ixgbe_phy_tn:
+        case ixgbe_phy_cu_unknown:
+                /* Copper 10G-BASET */
+                ecmd->port = PORT_TP;
+                break;
+        case ixgbe_phy_qt:
+                ecmd->port = PORT_FIBRE;
+                break;
+        case ixgbe_phy_nl:
+        case ixgbe_phy_tw_tyco:
+        case ixgbe_phy_tw_unknown:
+        case ixgbe_phy_sfp_ftl:
+        case ixgbe_phy_sfp_avago:
+        case ixgbe_phy_sfp_intel:
+        case ixgbe_phy_sfp_unknown:
+                switch (adapter->hw.phy.sfp_type) {
+                /* SFP+ devices, further checking needed */
+                case ixgbe_sfp_type_da_cu:
+                case ixgbe_sfp_type_da_cu_core0:
+                case ixgbe_sfp_type_da_cu_core1:
+                        ecmd->port = PORT_DA;
+                        break;
+                case ixgbe_sfp_type_sr:
+                case ixgbe_sfp_type_lr:
+                case ixgbe_sfp_type_srlr_core0:
+                case ixgbe_sfp_type_srlr_core1:
+                        ecmd->port = PORT_FIBRE;
+                        break;
+                case ixgbe_sfp_type_not_present:
+                        ecmd->port = PORT_NONE;
+                        break;
+                case ixgbe_sfp_type_unknown:
+                default:
+                        ecmd->port = PORT_OTHER;
+                        break;
+                }
+                break;
+        case ixgbe_phy_xaui:
+                ecmd->port = PORT_NONE;
+                break;
+        case ixgbe_phy_unknown:
+        case ixgbe_phy_generic:
+        case ixgbe_phy_sfp_unsupported:
+        default:
+                ecmd->port = PORT_OTHER;
+                break;
+        }
+
         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
         if (link_up) {
                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?