From: "Dale Farnsworth" <dale@farnsworth.org>
To: Jeff Garzik <jgarzik@pobox.com>, Netdev <netdev@oss.sgi.com>
Subject: Re: [PATCH: 2.6.12-rc1] mii: Add test for GigE support
Date: Tue, 22 Mar 2005 23:14:46 -0700 [thread overview]
Message-ID: <20050323061446.GA6943@xyzzy> (raw)
In-Reply-To: <4240CABB.5090701@pobox.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Index: linux-2.5-enet/drivers/net/mii.c
===================================================================
--- linux-2.5-enet.orig/drivers/net/mii.c
+++ linux-2.5-enet/drivers/net/mii.c
@@ -207,6 +207,21 @@
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_HAS_EXTSTAT1000) {
+ reg = mii->mdio_read(mii->dev, mii->phy_id, MII_EXTSTAT1000);
+ if (reg & (ESR_1000_BASE_X_FD | ESR_1000_BASE_T_FD |
+ ESR_1000_BASE_X_HD | ESR_1000_BASE_T_HD))
+ 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 +409,6 @@
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-2.5-enet/include/linux/mii.h
===================================================================
--- linux-2.5-enet.orig/include/linux/mii.h
+++ linux-2.5-enet/include/linux/mii.h
@@ -22,6 +22,7 @@
#define MII_EXPANSION 0x06 /* Expansion register */
#define MII_CTRL1000 0x09 /* 1000BASE-T control */
#define MII_STAT1000 0x0a /* 1000BASE-T status */
+#define MII_EXTSTAT1000 0x0f /* 1000BASE-XX extended status */
#define MII_DCOUNTER 0x12 /* Disconnect counter */
#define MII_FCSCOUNTER 0x13 /* False carrier counter */
#define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */
@@ -54,7 +55,8 @@
#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */
#define BMSR_RFAULT 0x0010 /* Remote fault detected */
#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */
-#define BMSR_RESV 0x07c0 /* Unused... */
+#define BMSR_HAS_EXTSTAT1000 0x0100 /* Has 1000BASE extended status*/
+#define BMSR_RESV 0x06c0 /* Unused... */
#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
@@ -121,6 +123,12 @@
#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */
+/* 1000BASE Ext Status register */
+#define ESR_1000_BASE_X_FD 0x8000
+#define ESR_1000_BASE_X_HD 0x4000
+#define ESR_1000_BASE_T_FD 0x2000
+#define ESR_1000_BASE_T_HD 0x1000
+
struct mii_if_info {
int phy_id;
int advertising;
@@ -143,6 +151,7 @@
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,
next prev parent reply other threads:[~2005-03-23 6:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-22 23:17 [PATCH: 2.6.12-rc1] mii: Add test for GigE support Dale Farnsworth
2005-03-22 23:27 ` Jeff Garzik
2005-03-23 1:21 ` Andy Fleming
2005-03-23 1:47 ` Jeff Garzik
2005-03-23 6:14 ` Dale Farnsworth [this message]
2005-03-25 4:42 ` Jeff Garzik
2005-08-22 23:50 ` [PATCH] [NET] " Dale Farnsworth
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