[PATCH] [NET] mii: Add test for GigE support

[Dale Farnsworth]

Signed-off-by: Dale Farnsworth <[EMAIL PROTECTED]>

Index: linux-2.6.13-rc6-mm2-mv643xx-enet/drivers/net/mii.c
===================================================================
--- linux-2.6.13-rc6-mm2-mv643xx-enet.orig/drivers/net/mii.c
+++ linux-2.6.13-rc6-mm2-mv643xx-enet/drivers/net/mii.c
@@ -207,6 +207,20 @@
        return 0;
 }
 
+int mii_check_gmii_support(struct mii_if_info *mii)
+{
+       int reg;
+
+       reg = mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR);
+       if (reg & BMSR_ESTATEN) {
+               reg = mii->mdio_read(mii->dev, mii->phy_id, MII_ESTATUS);
+               if (reg & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF))
+                       return 1;
+       }
+
+       return 0;
+}
+
 int mii_link_ok (struct mii_if_info *mii)
 {
        /* first, a dummy read, needed to latch some MII phys */
@@ -394,5 +408,6 @@
 EXPORT_SYMBOL(mii_ethtool_sset);
 EXPORT_SYMBOL(mii_check_link);
 EXPORT_SYMBOL(mii_check_media);
+EXPORT_SYMBOL(mii_check_gmii_support);
 EXPORT_SYMBOL(generic_mii_ioctl);
 
Index: linux-2.6.13-rc6-mm2-mv643xx-enet/include/linux/mii.h
===================================================================
--- linux-2.6.13-rc6-mm2-mv643xx-enet.orig/include/linux/mii.h
+++ linux-2.6.13-rc6-mm2-mv643xx-enet/include/linux/mii.h
@@ -158,6 +158,7 @@
 extern int mii_nway_restart (struct mii_if_info *mii);
 extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
 extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
+extern int mii_check_gmii_support(struct mii_if_info *mii);
 extern void mii_check_link (struct mii_if_info *mii);
 extern unsigned int mii_check_media (struct mii_if_info *mii,
                                     unsigned int ok_to_print,
-
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