#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
-#include <linux/mii.h>
+#include <linux/mdio.h>
+static u32 mii_get_an(struct mii_if_info *mii, u16 addr)
+{
+ u32 result = 0;
+ int advert;
+
+ advert = mii->mdio_read(mii->dev, mii->phy_id, addr);
+ if (advert & LPA_LPACK)
+ result |= ADVERTISED_Autoneg;
+ if (advert & ADVERTISE_10HALF)
+ result |= ADVERTISED_10baseT_Half;
+ if (advert & ADVERTISE_10FULL)
+ result |= ADVERTISED_10baseT_Full;
+ if (advert & ADVERTISE_100HALF)
+ result |= ADVERTISED_100baseT_Half;
+ if (advert & ADVERTISE_100FULL)
+ result |= ADVERTISED_100baseT_Full;
+
+ return result;
+}
+
+/**
+ * mii_ethtool_gset - get settings that are specified in @ecmd
+ * @mii: MII interface
+ * @ecmd: requested ethtool_cmd
+ *
+ * Returns 0 for success, negative on error.
+ */
int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
{
struct net_device *dev = mii->dev;
- u32 advert, bmcr, lpa, nego;
- u32 advert2 = 0, bmcr2 = 0, lpa2 = 0;
+ u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;
+ u32 nego;
ecmd->supported =
(SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
/* this isn't fully supported at higher layers */
ecmd->phy_address = mii->phy_id;
+ ecmd->mdio_support = MDIO_SUPPORTS_C22;
ecmd->advertising = ADVERTISED_TP | ADVERTISED_MII;
- advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE);
- if (mii->supports_gmii)
- advert2 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
-
- if (advert & ADVERTISE_10HALF)
- ecmd->advertising |= ADVERTISED_10baseT_Half;
- if (advert & ADVERTISE_10FULL)
- ecmd->advertising |= ADVERTISED_10baseT_Full;
- if (advert & ADVERTISE_100HALF)
- ecmd->advertising |= ADVERTISED_100baseT_Half;
- if (advert & ADVERTISE_100FULL)
- ecmd->advertising |= ADVERTISED_100baseT_Full;
- if (advert2 & ADVERTISE_1000HALF)
- ecmd->advertising |= ADVERTISED_1000baseT_Half;
- if (advert2 & ADVERTISE_1000FULL)
- ecmd->advertising |= ADVERTISED_1000baseT_Full;
bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
- lpa = mii->mdio_read(dev, mii->phy_id, MII_LPA);
+ bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);
if (mii->supports_gmii) {
- bmcr2 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
- lpa2 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
+ ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
+ stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
}
if (bmcr & BMCR_ANENABLE) {
ecmd->advertising |= ADVERTISED_Autoneg;
ecmd->autoneg = AUTONEG_ENABLE;
- nego = mii_nway_result(advert & lpa);
- if ((bmcr2 & (ADVERTISE_1000HALF | ADVERTISE_1000FULL)) &
- (lpa2 >> 2))
+ ecmd->advertising |= mii_get_an(mii, MII_ADVERTISE);
+ if (ctrl1000 & ADVERTISE_1000HALF)
+ ecmd->advertising |= ADVERTISED_1000baseT_Half;
+ if (ctrl1000 & ADVERTISE_1000FULL)
+ ecmd->advertising |= ADVERTISED_1000baseT_Full;
+
+ if (bmsr & BMSR_ANEGCOMPLETE) {
+ ecmd->lp_advertising = mii_get_an(mii, MII_LPA);
+ if (stat1000 & LPA_1000HALF)
+ ecmd->lp_advertising |=
+ ADVERTISED_1000baseT_Half;
+ if (stat1000 & LPA_1000FULL)
+ ecmd->lp_advertising |=
+ ADVERTISED_1000baseT_Full;
+ } else {
+ ecmd->lp_advertising = 0;
+ }
+
+ nego = ecmd->advertising & ecmd->lp_advertising;
+
+ if (nego & (ADVERTISED_1000baseT_Full |
+ ADVERTISED_1000baseT_Half)) {
ecmd->speed = SPEED_1000;
- else if (nego == LPA_100FULL || nego == LPA_100HALF)
+ ecmd->duplex = !!(nego & ADVERTISED_1000baseT_Full);
+ } else if (nego & (ADVERTISED_100baseT_Full |
+ ADVERTISED_100baseT_Half)) {
ecmd->speed = SPEED_100;
- else
- ecmd->speed = SPEED_10;
- if ((lpa2 & LPA_1000FULL) || nego == LPA_100FULL ||
- nego == LPA_10FULL) {
- ecmd->duplex = DUPLEX_FULL;
- mii->full_duplex = 1;
+ ecmd->duplex = !!(nego & ADVERTISED_100baseT_Full);
} else {
- ecmd->duplex = DUPLEX_HALF;
- mii->full_duplex = 0;
+ ecmd->speed = SPEED_10;
+ ecmd->duplex = !!(nego & ADVERTISED_10baseT_Full);
}
} else {
ecmd->autoneg = AUTONEG_DISABLE;
ecmd->duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
}
+ mii->full_duplex = ecmd->duplex;
+
/* ignore maxtxpkt, maxrxpkt for now */
return 0;
}
+/**
+ * mii_ethtool_sset - set settings that are specified in @ecmd
+ * @mii: MII interface
+ * @ecmd: requested ethtool_cmd
+ *
+ * Returns 0 for success, negative on error.
+ */
int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
{
struct net_device *dev = mii->dev;
return 0;
}
+/**
+ * mii_check_gmii_support - check if the MII supports Gb interfaces
+ * @mii: the MII interface
+ */
int mii_check_gmii_support(struct mii_if_info *mii)
{
int reg;
return 0;
}
+/**
+ * mii_link_ok - is link status up/ok
+ * @mii: the MII interface
+ *
+ * Returns 1 if the MII reports link status up/ok, 0 otherwise.
+ */
int mii_link_ok (struct mii_if_info *mii)
{
/* first, a dummy read, needed to latch some MII phys */
return 0;
}
+/**
+ * mii_nway_restart - restart NWay (autonegotiation) for this interface
+ * @mii: the MII interface
+ *
+ * Returns 0 on success, negative on error.
+ */
int mii_nway_restart (struct mii_if_info *mii)
{
int bmcr;
return r;
}
+/**
+ * mii_check_link - check MII link status
+ * @mii: MII interface
+ *
+ * If the link status changed (previous != current), call
+ * netif_carrier_on() if current link status is Up or call
+ * netif_carrier_off() if current link status is Down.
+ */
void mii_check_link (struct mii_if_info *mii)
{
int cur_link = mii_link_ok(mii);
netif_carrier_off(mii->dev);
}
+/**
+ * mii_check_media - check the MII interface for a duplex change
+ * @mii: the MII interface
+ * @ok_to_print: OK to print link up/down messages
+ * @init_media: OK to save duplex mode in @mii
+ *
+ * Returns 1 if the duplex mode changed, 0 if not.
+ * If the media type is forced, always returns 0.
+ */
unsigned int mii_check_media (struct mii_if_info *mii,
unsigned int ok_to_print,
unsigned int init_media)
return 0; /* duplex did not change */
}
+/**
+ * generic_mii_ioctl - main MII ioctl interface
+ * @mii_if: the MII interface
+ * @mii_data: MII ioctl data structure
+ * @cmd: MII ioctl command
+ * @duplex_chg_out: pointer to @duplex_changed status if there was no
+ * ioctl error
+ *
+ * Returns 0 on success, negative on error.
+ */
int generic_mii_ioctl(struct mii_if_info *mii_if,
struct mii_ioctl_data *mii_data, int cmd,
unsigned int *duplex_chg_out)
case SIOCSMIIREG: {
u16 val = mii_data->val_in;
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (mii_data->phy_id == mii_if->phy_id) {
switch(mii_data->reg_num) {
case MII_BMCR: {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff