mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
AX88179_178A: Add ethtool ops for EEE support
Add functions to support ethtool EEE manipulating, and the EEE is disabled in default setting to enhance the compatibility with certain switch. Signed-off-by: Freddy Xin <freddy@asix.com.tw> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Freddy Xin
David S. Miller
parent
74e83b23f2
commit
e98d69ba46
1 changed files with 264 additions and 0 deletions
|
|
@ -23,6 +23,8 @@
|
|||
#include <linux/usb.h>
|
||||
#include <linux/crc32.h>
|
||||
#include <linux/usb/usbnet.h>
|
||||
#include <uapi/linux/mdio.h>
|
||||
#include <linux/mdio.h>
|
||||
|
||||
#define AX88179_PHY_ID 0x03
|
||||
#define AX_EEPROM_LEN 0x100
|
||||
|
|
@ -170,8 +172,12 @@
|
|||
#define GMII_PHY_PAGE_SELECT 0x1f
|
||||
#define GMII_PHY_PGSEL_EXT 0x0007
|
||||
#define GMII_PHY_PGSEL_PAGE0 0x0000
|
||||
#define GMII_PHY_PGSEL_PAGE3 0x0003
|
||||
#define GMII_PHY_PGSEL_PAGE5 0x0005
|
||||
|
||||
struct ax88179_data {
|
||||
u8 eee_enabled;
|
||||
u8 eee_active;
|
||||
u16 rxctl;
|
||||
u16 reserved;
|
||||
};
|
||||
|
|
@ -373,6 +379,60 @@ static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
|
|||
ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
|
||||
}
|
||||
|
||||
static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
|
||||
u16 devad)
|
||||
{
|
||||
u16 tmp16;
|
||||
int ret;
|
||||
|
||||
tmp16 = devad;
|
||||
ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_MMD_CTRL, 2, &tmp16);
|
||||
|
||||
tmp16 = prtad;
|
||||
ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_MMD_DATA, 2, &tmp16);
|
||||
|
||||
tmp16 = devad | MII_MMD_CTRL_NOINCR;
|
||||
ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_MMD_CTRL, 2, &tmp16);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int
|
||||
ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
|
||||
{
|
||||
int ret;
|
||||
u16 tmp16;
|
||||
|
||||
ax88179_phy_mmd_indirect(dev, prtad, devad);
|
||||
|
||||
ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_MMD_DATA, 2, &tmp16);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return tmp16;
|
||||
}
|
||||
|
||||
static int
|
||||
ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
|
||||
u16 data)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ax88179_phy_mmd_indirect(dev, prtad, devad);
|
||||
|
||||
ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_MMD_DATA, 2, &data);
|
||||
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
|
||||
{
|
||||
struct usbnet *dev = usb_get_intfdata(intf);
|
||||
|
|
@ -572,6 +632,185 @@ static int ax88179_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
|
|||
return mii_ethtool_sset(&dev->mii, cmd);
|
||||
}
|
||||
|
||||
static int
|
||||
ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
|
||||
{
|
||||
int val;
|
||||
|
||||
/* Get Supported EEE */
|
||||
val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
|
||||
MDIO_MMD_PCS);
|
||||
if (val < 0)
|
||||
return val;
|
||||
data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
|
||||
|
||||
/* Get advertisement EEE */
|
||||
val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
|
||||
MDIO_MMD_AN);
|
||||
if (val < 0)
|
||||
return val;
|
||||
data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
|
||||
|
||||
/* Get LP advertisement EEE */
|
||||
val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
|
||||
MDIO_MMD_AN);
|
||||
if (val < 0)
|
||||
return val;
|
||||
data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
|
||||
{
|
||||
u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
|
||||
|
||||
return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
|
||||
MDIO_MMD_AN, tmp16);
|
||||
}
|
||||
|
||||
static int ax88179_chk_eee(struct usbnet *dev)
|
||||
{
|
||||
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
|
||||
struct ax88179_data *priv = (struct ax88179_data *)dev->data;
|
||||
|
||||
mii_ethtool_gset(&dev->mii, &ecmd);
|
||||
|
||||
if (ecmd.duplex & DUPLEX_FULL) {
|
||||
int eee_lp, eee_cap, eee_adv;
|
||||
u32 lp, cap, adv, supported = 0;
|
||||
|
||||
eee_cap = ax88179_phy_read_mmd_indirect(dev,
|
||||
MDIO_PCS_EEE_ABLE,
|
||||
MDIO_MMD_PCS);
|
||||
if (eee_cap < 0) {
|
||||
priv->eee_active = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
|
||||
if (!cap) {
|
||||
priv->eee_active = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
eee_lp = ax88179_phy_read_mmd_indirect(dev,
|
||||
MDIO_AN_EEE_LPABLE,
|
||||
MDIO_MMD_AN);
|
||||
if (eee_lp < 0) {
|
||||
priv->eee_active = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
eee_adv = ax88179_phy_read_mmd_indirect(dev,
|
||||
MDIO_AN_EEE_ADV,
|
||||
MDIO_MMD_AN);
|
||||
|
||||
if (eee_adv < 0) {
|
||||
priv->eee_active = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
|
||||
lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
|
||||
supported = (ecmd.speed == SPEED_1000) ?
|
||||
SUPPORTED_1000baseT_Full :
|
||||
SUPPORTED_100baseT_Full;
|
||||
|
||||
if (!(lp & adv & supported)) {
|
||||
priv->eee_active = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
priv->eee_active = 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
priv->eee_active = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
static void ax88179_disable_eee(struct usbnet *dev)
|
||||
{
|
||||
u16 tmp16;
|
||||
|
||||
tmp16 = GMII_PHY_PGSEL_PAGE3;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
GMII_PHY_PAGE_SELECT, 2, &tmp16);
|
||||
|
||||
tmp16 = 0x3246;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_PHYADDR, 2, &tmp16);
|
||||
|
||||
tmp16 = GMII_PHY_PGSEL_PAGE0;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
GMII_PHY_PAGE_SELECT, 2, &tmp16);
|
||||
}
|
||||
|
||||
static void ax88179_enable_eee(struct usbnet *dev)
|
||||
{
|
||||
u16 tmp16;
|
||||
|
||||
tmp16 = GMII_PHY_PGSEL_PAGE3;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
GMII_PHY_PAGE_SELECT, 2, &tmp16);
|
||||
|
||||
tmp16 = 0x3247;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_PHYADDR, 2, &tmp16);
|
||||
|
||||
tmp16 = GMII_PHY_PGSEL_PAGE5;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
GMII_PHY_PAGE_SELECT, 2, &tmp16);
|
||||
|
||||
tmp16 = 0x0680;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
MII_BMSR, 2, &tmp16);
|
||||
|
||||
tmp16 = GMII_PHY_PGSEL_PAGE0;
|
||||
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
|
||||
GMII_PHY_PAGE_SELECT, 2, &tmp16);
|
||||
}
|
||||
|
||||
static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
|
||||
{
|
||||
struct usbnet *dev = netdev_priv(net);
|
||||
struct ax88179_data *priv = (struct ax88179_data *)dev->data;
|
||||
|
||||
edata->eee_enabled = priv->eee_enabled;
|
||||
edata->eee_active = priv->eee_active;
|
||||
|
||||
return ax88179_ethtool_get_eee(dev, edata);
|
||||
}
|
||||
|
||||
static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
|
||||
{
|
||||
struct usbnet *dev = netdev_priv(net);
|
||||
struct ax88179_data *priv = (struct ax88179_data *)dev->data;
|
||||
int ret = -EOPNOTSUPP;
|
||||
|
||||
priv->eee_enabled = edata->eee_enabled;
|
||||
if (!priv->eee_enabled) {
|
||||
ax88179_disable_eee(dev);
|
||||
} else {
|
||||
priv->eee_enabled = ax88179_chk_eee(dev);
|
||||
if (!priv->eee_enabled)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
ax88179_enable_eee(dev);
|
||||
}
|
||||
|
||||
ret = ax88179_ethtool_set_eee(dev, edata);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
mii_nway_restart(&dev->mii);
|
||||
|
||||
usbnet_link_change(dev, 0, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
|
||||
{
|
||||
|
|
@ -589,6 +828,8 @@ static const struct ethtool_ops ax88179_ethtool_ops = {
|
|||
.get_eeprom = ax88179_get_eeprom,
|
||||
.get_settings = ax88179_get_settings,
|
||||
.set_settings = ax88179_set_settings,
|
||||
.get_eee = ax88179_get_eee,
|
||||
.set_eee = ax88179_set_eee,
|
||||
.nway_reset = usbnet_nway_reset,
|
||||
};
|
||||
|
||||
|
|
@ -980,6 +1221,7 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
|
|||
u16 *tmp16;
|
||||
u8 *tmp;
|
||||
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
|
||||
struct ethtool_eee eee_data;
|
||||
|
||||
usbnet_get_endpoints(dev, intf);
|
||||
|
||||
|
|
@ -1062,6 +1304,15 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
|
|||
|
||||
ax88179_led_setting(dev);
|
||||
|
||||
ax179_data->eee_enabled = 0;
|
||||
ax179_data->eee_active = 0;
|
||||
|
||||
ax88179_disable_eee(dev);
|
||||
|
||||
ax88179_ethtool_get_eee(dev, &eee_data);
|
||||
eee_data.advertised = 0;
|
||||
ax88179_ethtool_set_eee(dev, &eee_data);
|
||||
|
||||
/* Restart autoneg */
|
||||
mii_nway_restart(&dev->mii);
|
||||
|
||||
|
|
@ -1261,6 +1512,8 @@ static int ax88179_link_reset(struct usbnet *dev)
|
|||
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
|
||||
2, 2, &mode);
|
||||
|
||||
ax179_data->eee_enabled = ax88179_chk_eee(dev);
|
||||
|
||||
netif_carrier_on(dev->net);
|
||||
|
||||
return 0;
|
||||
|
|
@ -1271,6 +1524,8 @@ static int ax88179_reset(struct usbnet *dev)
|
|||
u8 buf[5];
|
||||
u16 *tmp16;
|
||||
u8 *tmp;
|
||||
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
|
||||
struct ethtool_eee eee_data;
|
||||
|
||||
tmp16 = (u16 *)buf;
|
||||
tmp = (u8 *)buf;
|
||||
|
|
@ -1340,6 +1595,15 @@ static int ax88179_reset(struct usbnet *dev)
|
|||
|
||||
ax88179_led_setting(dev);
|
||||
|
||||
ax179_data->eee_enabled = 0;
|
||||
ax179_data->eee_active = 0;
|
||||
|
||||
ax88179_disable_eee(dev);
|
||||
|
||||
ax88179_ethtool_get_eee(dev, &eee_data);
|
||||
eee_data.advertised = 0;
|
||||
ax88179_ethtool_set_eee(dev, &eee_data);
|
||||
|
||||
/* Restart autoneg */
|
||||
mii_nway_restart(&dev->mii);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue