1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/mii.h b/include/linux/mii.h
index 2783eca629a0..8ef3a7a11592 100644
--- a/include/linux/mii.h
+++ b/include/linux/mii.h
@@ -21,6 +21,8 @@
 #define MII_EXPANSION           0x06    /* Expansion register          */
 #define MII_CTRL1000            0x09    /* 1000BASE-T control          */
 #define MII_STAT1000            0x0a    /* 1000BASE-T status           */
+#define MII_MMD_CTRL            0x0d    /* MMD Access Control Register */
+#define MII_MMD_DATA            0x0e    /* MMD Access Data Register */
 #define MII_ESTATUS             0x0f    /* Extended Status             */
 #define MII_DCOUNTER            0x12    /* Disconnect counter          */
 #define MII_FCSCOUNTER          0x13    /* False carrier counter       */
@@ -141,6 +143,13 @@
 #define FLOW_CTRL_TX            0x01
 #define FLOW_CTRL_RX            0x02
 
+/* MMD Access Control register fields */
+#define MII_MMD_CTRL_DEVAD_MASK 0x1f    /* Mask MMD DEVAD*/
+#define MII_MMD_CTRL_ADDR       0x0000  /* Address */
+#define MII_MMD_CTRL_NOINCR     0x4000  /* no post increment */
+#define MII_MMD_CTRL_INCR_RDWT  0x8000  /* post increment on reads & writes */
+#define MII_MMD_CTRL_INCR_ON_WT 0xC000  /* post increment on writes only */
+
 /* This structure is used in all SIOCxMIIxxx ioctl calls */
 struct mii_ioctl_data {
         __u16           phy_id;