e1000e: add ethtool .get_eee/.set_eee
Add the ability to query and set Energy Efficient Ethernet parameters via
ethtool for applicable devices.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h
index 7326ea2..3041a54 100644
--- a/drivers/net/ethernet/intel/e1000e/defines.h
+++ b/drivers/net/ethernet/intel/e1000e/defines.h
@@ -383,6 +383,9 @@
#define E1000_KABGTXD_BGSQLBIAS 0x00050000
+/* Low Power IDLE Control */
+#define E1000_LPIC_LPIET_SHIFT 24 /* Low Power Idle Entry Time */
+
/* PBA constants */
#define E1000_PBA_8K 0x0008 /* 8KB */
#define E1000_PBA_16K 0x0010 /* 16KB */
@@ -799,6 +802,33 @@
/* BME1000 PHY Specific Control Register */
#define BME1000_PSCR_ENABLE_DOWNSHIFT 0x0800 /* 1 = enable downshift */
+/* PHY Low Power Idle Control */
+#define I82579_LPI_CTRL PHY_REG(772, 20)
+#define I82579_LPI_CTRL_100_ENABLE 0x2000
+#define I82579_LPI_CTRL_1000_ENABLE 0x4000
+#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
+#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT 0x80
+
+/* Extended Management Interface (EMI) Registers */
+#define I82579_EMI_ADDR 0x10
+#define I82579_EMI_DATA 0x11
+#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */
+#define I82579_MSE_THRESHOLD 0x084F /* 82579 Mean Square Error Threshold */
+#define I82577_MSE_THRESHOLD 0x0887 /* 82577 Mean Square Error Threshold */
+#define I82579_MSE_LINK_DOWN 0x2411 /* MSE count before dropping link */
+#define I82579_EEE_PCS_STATUS 0x182D /* IEEE MMD Register 3.1 >> 8 */
+#define I82579_EEE_CAPABILITY 0x0410 /* IEEE MMD Register 3.20 */
+#define I82579_EEE_ADVERTISEMENT 0x040E /* IEEE MMD Register 7.60 */
+#define I82579_EEE_LP_ABILITY 0x040F /* IEEE MMD Register 7.61 */
+#define I82579_EEE_100_SUPPORTED (1 << 1) /* 100BaseTx EEE supported */
+#define I82579_EEE_1000_SUPPORTED (1 << 2) /* 1000BaseTx EEE supported */
+#define I217_EEE_PCS_STATUS 0x9401 /* IEEE MMD Register 3.1 */
+#define I217_EEE_CAPABILITY 0x8000 /* IEEE MMD Register 3.20 */
+#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */
+#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */
+
+#define E1000_EEE_RX_LPI_RCVD 0x0400 /* Tx LP idle received */
+#define E1000_EEE_TX_LPI_RCVD 0x0800 /* Rx LP idle received */
#define PHY_PAGE_SHIFT 5
#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \