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authorDavid S. Miller <davem@davemloft.net>2012-08-22 14:23:43 -0700
committerDavid S. Miller <davem@davemloft.net>2012-08-22 14:23:43 -0700
commitbba6ec7e4963e30366359686f34e5bdb00b1a066 (patch)
tree05c44b6b99e46d876b144065537dd8673d07b162 /drivers/net/ethernet/intel/e1000e/phy.c
parent1304a7343b30fc4f16045412efdbb4179a3d9255 (diff)
parent8376dad0c877bc691b2feadd3390a162aa3c3bd9 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
Jeff Kirsher says: ==================== This series contains updates to ethtool.h, e1000, e1000e, and igb to implement MDI/MDIx control. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/phy.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/phy.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index b860d4f7ea2..fc62a3f3a5b 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -84,8 +84,9 @@ static const u16 e1000_igp_2_cable_length_table[] = {
#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200
/* I82577 PHY Control 2 */
-#define I82577_PHY_CTRL2_AUTO_MDIX 0x0400
-#define I82577_PHY_CTRL2_FORCE_MDI_MDIX 0x0200
+#define I82577_PHY_CTRL2_MANUAL_MDIX 0x0200
+#define I82577_PHY_CTRL2_AUTO_MDI_MDIX 0x0400
+#define I82577_PHY_CTRL2_MDIX_CFG_MASK 0x0600
/* I82577 PHY Diagnostics Status */
#define I82577_DSTATUS_CABLE_LENGTH 0x03FC
@@ -702,6 +703,32 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
if (ret_val)
return ret_val;
+ /* Set MDI/MDIX mode */
+ ret_val = e1e_rphy(hw, I82577_PHY_CTRL_2, &phy_data);
+ if (ret_val)
+ return ret_val;
+ phy_data &= ~I82577_PHY_CTRL2_MDIX_CFG_MASK;
+ /*
+ * Options:
+ * 0 - Auto (default)
+ * 1 - MDI mode
+ * 2 - MDI-X mode
+ */
+ switch (hw->phy.mdix) {
+ case 1:
+ break;
+ case 2:
+ phy_data |= I82577_PHY_CTRL2_MANUAL_MDIX;
+ break;
+ case 0:
+ default:
+ phy_data |= I82577_PHY_CTRL2_AUTO_MDI_MDIX;
+ break;
+ }
+ ret_val = e1e_wphy(hw, I82577_PHY_CTRL_2, phy_data);
+ if (ret_val)
+ return ret_val;
+
return e1000_set_master_slave_mode(hw);
}