netxen: fix link status, link speed

For NX3031, the phy is managed by firmware, so driver should avoid
setting any phy registers.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 24 insertions, 9 deletions

diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 48ee06b6f4e9..f9b933efa362 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -140,18 +140,33 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
                 if (netif_running(dev)) {
                         ecmd->speed = adapter->link_speed;
                         ecmd->duplex = adapter->link_duplex;
-                } else
-                        return -EIO;    /* link absent */
+                        ecmd->autoneg = adapter->link_autoneg;
+                }
+
         } else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
-                ecmd->supported = (SUPPORTED_TP |
-                                   SUPPORTED_1000baseT_Full |
-                                   SUPPORTED_10000baseT_Full);
-                ecmd->advertising = (ADVERTISED_TP |
-                                     ADVERTISED_1000baseT_Full |
-                                     ADVERTISED_10000baseT_Full);
+                u32 val;
+
+                adapter->hw_read_wx(adapter, NETXEN_PORT_MODE_ADDR, &val, 4);
+                if (val == NETXEN_PORT_MODE_802_3_AP) {
+                        ecmd->supported = SUPPORTED_1000baseT_Full;
+                        ecmd->advertising = ADVERTISED_1000baseT_Full;
+                } else {
+                        ecmd->supported = SUPPORTED_10000baseT_Full;
+                        ecmd->advertising = ADVERTISED_10000baseT_Full;
+                }
+
                 ecmd->port = PORT_TP;
 
-                ecmd->speed = SPEED_10000;
+                if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+                        u16 pcifn = adapter->ahw.pci_func;
+
+                        adapter->hw_read_wx(adapter,
+                                P3_LINK_SPEED_REG(pcifn), &val, 4);
+                        ecmd->speed = P3_LINK_SPEED_MHZ *
+                                        P3_LINK_SPEED_VAL(pcifn, val);
+                } else
+                        ecmd->speed = SPEED_10000;
+
                 ecmd->duplex = DUPLEX_FULL;
                 ecmd->autoneg = AUTONEG_DISABLE;
         } else