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-rw-r--r--include/linux/phy_fixed.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/phy_fixed.h b/include/linux/phy_fixed.h
new file mode 100644
index 00000000000..04ba70d49fb
--- /dev/null
+++ b/include/linux/phy_fixed.h
@@ -0,0 +1,38 @@
+#ifndef __PHY_FIXED_H
+#define __PHY_FIXED_H
+
+#define MII_REGS_NUM 29
+
+/* max number of virtual phy stuff */
+#define MAX_PHY_AMNT 10
+/*
+ The idea is to emulate normal phy behavior by responding with
+ pre-defined values to mii BMCR read, so that read_status hook could
+ take all the needed info.
+*/
+
+struct fixed_phy_status {
+ u8 link;
+ u16 speed;
+ u8 duplex;
+};
+
+/*-----------------------------------------------------------------------------
+ * Private information hoder for mii_bus
+ *-----------------------------------------------------------------------------*/
+struct fixed_info {
+ u16 *regs;
+ u8 regs_num;
+ struct fixed_phy_status phy_status;
+ struct phy_device *phydev; /* pointer to the container */
+ /* link & speed cb */
+ int (*link_update) (struct net_device *, struct fixed_phy_status *);
+
+};
+
+
+int fixed_mdio_set_link_update(struct phy_device *,
+ int (*link_update) (struct net_device *, struct fixed_phy_status *));
+struct fixed_info *fixed_mdio_get_phydev (int phydev_ind);
+
+#endif /* __PHY_FIXED_H */