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Commit 43ec6e95 authored by Dale Farnsworth's avatar Dale Farnsworth Committed by Jeff Garzik
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[PATCH] mii: Add test for GigE support 



Signed-off-by: default avatarDale Farnsworth <dale@farnsworth.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 7a700faf

drivers/net/mii.c

+15 −0
Original line number Diff line number Diff line
@@ -207,6 +207,20 @@ int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) 
	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_gset); 
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);

include/linux/mii.h

+1 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ extern int mii_link_ok (struct mii_if_info *mii); 
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,