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path: root/drivers/net/usb/asix_devices.c
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Diffstat (limited to 'drivers/net/usb/asix_devices.c')
-rw-r--r--drivers/net/usb/asix_devices.c915
1 files changed, 724 insertions, 191 deletions
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index ad5d1e4384db..232bbd79a4de 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ASIX AX8817X based USB 2.0 Ethernet Devices
* Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
* Copyright (C) 2006 James Painter <jamie.painter@iname.com>
* Copyright (c) 2002-2003 TiVo Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "asix.h"
@@ -36,6 +23,15 @@
#define PHY_MODE_RTL8211CL 0x000C
+#define AX88772A_PHY14H 0x14
+#define AX88772A_PHY14H_DEFAULT 0x442C
+
+#define AX88772A_PHY15H 0x15
+#define AX88772A_PHY15H_DEFAULT 0x03C8
+
+#define AX88772A_PHY16H 0x16
+#define AX88772A_PHY16H_DEFAULT 0x4044
+
struct ax88172_int_data {
__le16 res1;
u8 link;
@@ -63,7 +59,7 @@ static void asix_status(struct usbnet *dev, struct urb *urb)
static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
{
if (is_valid_ether_addr(addr)) {
- memcpy(dev->net->dev_addr, addr, ETH_ALEN);
+ eth_hw_addr_set(dev->net, addr);
} else {
netdev_info(dev->net, "invalid hw address, using random\n");
eth_hw_addr_random(dev->net);
@@ -80,6 +76,8 @@ static u32 asix_get_phyid(struct usbnet *dev)
/* Poll for the rare case the FW or phy isn't ready yet. */
for (i = 0; i < 100; i++) {
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+ if (phy_reg < 0)
+ return 0;
if (phy_reg != 0 && phy_reg != 0xFFFF)
break;
mdelay(1);
@@ -126,9 +124,9 @@ static const struct ethtool_ops ax88172_ethtool_ops = {
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
+ .get_link_ksettings = usbnet_get_link_ksettings_mii,
+ .set_link_ksettings = usbnet_set_link_ksettings_mii,
};
static void ax88172_set_multicast(struct net_device *net)
@@ -185,7 +183,7 @@ static int ax88172_link_reset(struct usbnet *dev)
netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
- asix_write_medium_mode(dev, mode);
+ asix_write_medium_mode(dev, mode, 0);
return 0;
}
@@ -196,36 +194,62 @@ static const struct net_device_ops ax88172_netdev_ops = {
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
+ .ndo_get_stats64 = dev_get_tstats64,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = asix_ioctl,
+ .ndo_eth_ioctl = asix_ioctl,
.ndo_set_rx_mode = ax88172_set_multicast,
};
+static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
+{
+ unsigned int timeout = 5000;
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
+
+ /* give phy_id a chance to process reset */
+ udelay(500);
+
+ /* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
+ while (timeout--) {
+ if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
+ & BMCR_RESET)
+ udelay(100);
+ else
+ return;
+ }
+
+ netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
+ dev->mii.phy_id);
+}
+
static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret = 0;
- u8 buf[ETH_ALEN];
+ u8 buf[ETH_ALEN] = {0};
int i;
unsigned long gpio_bits = dev->driver_info->data;
- usbnet_get_endpoints(dev,intf);
+ ret = usbnet_get_endpoints(dev, intf);
+ if (ret)
+ goto out;
/* Toggle the GPIOs in a manufacturer/model specific way */
for (i = 2; i >= 0; i--) {
ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
- (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
+ (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
if (ret < 0)
goto out;
msleep(5);
}
- ret = asix_write_rx_ctl(dev, 0x80);
+ ret = asix_write_rx_ctl(dev, 0x80, 0);
if (ret < 0)
goto out;
/* Get the MAC address */
- ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
+ 0, 0, ETH_ALEN, buf, 0);
if (ret < 0) {
netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
ret);
@@ -240,14 +264,17 @@ static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x3f;
dev->mii.reg_num_mask = 0x1f;
- dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->mii.phy_id = asix_read_phy_addr(dev, true);
+ if (dev->mii.phy_id < 0)
+ return dev->mii.phy_id;
dev->net->netdev_ops = &ax88172_netdev_ops;
dev->net->ethtool_ops = &ax88172_ethtool_ops;
dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_phy_reset(dev, BMCR_RESET);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
mii_nway_restart(&dev->mii);
@@ -258,9 +285,47 @@ out:
return ret;
}
+static void ax88772_ethtool_get_strings(struct net_device *netdev, u32 sset,
+ u8 *data)
+{
+ switch (sset) {
+ case ETH_SS_TEST:
+ net_selftest_get_strings(data);
+ break;
+ }
+}
+
+static int ax88772_ethtool_get_sset_count(struct net_device *ndev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_TEST:
+ return net_selftest_get_count();
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void ax88772_ethtool_get_pauseparam(struct net_device *ndev,
+ struct ethtool_pauseparam *pause)
+{
+ struct usbnet *dev = netdev_priv(ndev);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ phylink_ethtool_get_pauseparam(priv->phylink, pause);
+}
+
+static int ax88772_ethtool_set_pauseparam(struct net_device *ndev,
+ struct ethtool_pauseparam *pause)
+{
+ struct usbnet *dev = netdev_priv(ndev);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ return phylink_ethtool_set_pauseparam(priv->phylink, pause);
+}
+
static const struct ethtool_ops ax88772_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
- .get_link = asix_get_link,
+ .get_link = usbnet_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
@@ -268,109 +333,226 @@ static const struct ethtool_ops ax88772_ethtool_ops = {
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
- .nway_reset = usbnet_nway_reset,
+ .nway_reset = phy_ethtool_nway_reset,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
+ .self_test = net_selftest,
+ .get_strings = ax88772_ethtool_get_strings,
+ .get_sset_count = ax88772_ethtool_get_sset_count,
+ .get_pauseparam = ax88772_ethtool_get_pauseparam,
+ .set_pauseparam = ax88772_ethtool_set_pauseparam,
};
-static int ax88772_link_reset(struct usbnet *dev)
+static int ax88772_reset(struct usbnet *dev)
{
- u16 mode;
- struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
-
- mii_check_media(&dev->mii, 1, 1);
- mii_ethtool_gset(&dev->mii, &ecmd);
- mode = AX88772_MEDIUM_DEFAULT;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct asix_common_private *priv = dev->driver_priv;
+ int ret;
- if (ethtool_cmd_speed(&ecmd) != SPEED_100)
- mode &= ~AX_MEDIUM_PS;
+ /* Rewrite MAC address */
+ ether_addr_copy(data->mac_addr, dev->net->dev_addr);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
+ ETH_ALEN, data->mac_addr, 0);
+ if (ret < 0)
+ goto out;
- if (ecmd.duplex != DUPLEX_FULL)
- mode &= ~AX_MEDIUM_FD;
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
+ if (ret < 0)
+ goto out;
- netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
- ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
+ if (ret < 0)
+ goto out;
- asix_write_medium_mode(dev, mode);
+ phylink_start(priv->phylink);
return 0;
+
+out:
+ return ret;
}
-static int ax88772_reset(struct usbnet *dev)
+static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
{
struct asix_data *data = (struct asix_data *)&dev->data;
- int ret, embd_phy;
+ struct asix_common_private *priv = dev->driver_priv;
u16 rx_ctl;
+ int ret;
- ret = asix_write_gpio(dev,
- AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
+ ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
+ AX_GPIO_GPO2EN, 5, in_pm);
if (ret < 0)
goto out;
- embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
-
- ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy,
+ 0, 0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
goto out;
}
- ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
- if (ret < 0)
- goto out;
+ if (priv->embd_phy) {
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
+ if (ret < 0)
+ goto out;
- msleep(150);
+ usleep_range(10000, 11000);
- ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
- if (ret < 0)
- goto out;
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
+ if (ret < 0)
+ goto out;
- msleep(150);
+ msleep(60);
- if (embd_phy) {
- ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
+ in_pm);
if (ret < 0)
goto out;
} else {
- ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
+ in_pm);
if (ret < 0)
goto out;
}
msleep(150);
- rx_ctl = asix_read_rx_ctl(dev);
- netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl);
- ret = asix_write_rx_ctl(dev, 0x0000);
+
+ if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ MII_PHYSID1))){
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
+ AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
+ AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
+ goto out;
+ }
+
+ /* Rewrite MAC address */
+ ether_addr_copy(data->mac_addr, dev->net->dev_addr);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
+ ETH_ALEN, data->mac_addr, in_pm);
if (ret < 0)
goto out;
- rx_ctl = asix_read_rx_ctl(dev);
- netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev, in_pm);
+ netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
+ rx_ctl);
+
+ rx_ctl = asix_read_medium_status(dev, in_pm);
+ netdev_dbg(dev->net,
+ "Medium Status is 0x%04x after all initializations\n",
+ rx_ctl);
+
+ return 0;
+
+out:
+ return ret;
+}
- ret = asix_sw_reset(dev, AX_SWRESET_PRL);
+static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct asix_common_private *priv = dev->driver_priv;
+ u16 rx_ctl, phy14h, phy15h, phy16h;
+ int ret;
+
+ ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
if (ret < 0)
goto out;
- msleep(150);
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy |
+ AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
+ goto out;
+ }
+ usleep_range(10000, 11000);
- ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
if (ret < 0)
goto out;
- msleep(150);
+ usleep_range(10000, 11000);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_CSMA);
- mii_nway_restart(&dev->mii);
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ msleep(160);
- ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
if (ret < 0)
goto out;
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ msleep(200);
+
+ if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ MII_PHYSID1))) {
+ ret = -1;
+ goto out;
+ }
+
+ if (priv->chipcode == AX_AX88772B_CHIPCODE) {
+ ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
+ 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
+ ret);
+ goto out;
+ }
+ } else if (priv->chipcode == AX_AX88772A_CHIPCODE) {
+ /* Check if the PHY registers have default settings */
+ phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY14H);
+ phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY15H);
+ phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY16H);
+
+ netdev_dbg(dev->net,
+ "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
+ phy14h, phy15h, phy16h);
+
+ /* Restore PHY registers default setting if not */
+ if (phy14h != AX88772A_PHY14H_DEFAULT)
+ asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY14H,
+ AX88772A_PHY14H_DEFAULT);
+ if (phy15h != AX88772A_PHY15H_DEFAULT)
+ asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY15H,
+ AX88772A_PHY15H_DEFAULT);
+ if (phy16h != AX88772A_PHY16H_DEFAULT)
+ asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY16H,
+ AX88772A_PHY16H_DEFAULT);
+ }
+
ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
- AX88772_IPG2_DEFAULT, 0, NULL);
+ AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
goto out;
@@ -379,20 +561,29 @@ static int ax88772_reset(struct usbnet *dev)
/* Rewrite MAC address */
memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
- data->mac_addr);
+ data->mac_addr, in_pm);
if (ret < 0)
goto out;
/* Set RX_CTL to default values with 2k buffer, and enable cactus */
- ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
if (ret < 0)
goto out;
- rx_ctl = asix_read_rx_ctl(dev);
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
+ if (ret < 0)
+ return ret;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev, in_pm);
netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
rx_ctl);
- rx_ctl = asix_read_medium_status(dev);
+ rx_ctl = asix_read_medium_status(dev, in_pm);
netdev_dbg(dev->net,
"Medium Status is 0x%04x after all initializations\n",
rx_ctl);
@@ -401,7 +592,6 @@ static int ax88772_reset(struct usbnet *dev)
out:
return ret;
-
}
static const struct net_device_ops ax88772_netdev_ops = {
@@ -410,79 +600,321 @@ static const struct net_device_ops ax88772_netdev_ops = {
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
+ .ndo_get_stats64 = dev_get_tstats64,
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = asix_ioctl,
+ .ndo_eth_ioctl = phy_do_ioctl_running,
.ndo_set_rx_mode = asix_set_multicast,
};
-static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
+static void ax88772_suspend(struct usbnet *dev)
{
- int ret, embd_phy, i;
- u8 buf[ETH_ALEN];
- u32 phyid;
+ struct asix_common_private *priv = dev->driver_priv;
+ u16 medium;
- usbnet_get_endpoints(dev,intf);
+ if (netif_running(dev->net)) {
+ rtnl_lock();
+ phylink_suspend(priv->phylink, false);
+ rtnl_unlock();
+ }
- /* Get the MAC address */
- if (dev->driver_info->data & FLAG_EEPROM_MAC) {
- for (i = 0; i < (ETH_ALEN >> 1); i++) {
- ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
- 0, 2, buf + i * 2);
- if (ret < 0)
- break;
- }
- } else {
- ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
- 0, 0, ETH_ALEN, buf);
+ /* Stop MAC operation */
+ medium = asix_read_medium_status(dev, 1);
+ medium &= ~AX_MEDIUM_RE;
+ asix_write_medium_mode(dev, medium, 1);
+
+ netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
+ asix_read_medium_status(dev, 1));
+}
+
+/* Notes on PM callbacks and locking context:
+ *
+ * - asix_suspend()/asix_resume() are invoked for both runtime PM and
+ * system-wide suspend/resume. For struct usb_driver the ->resume()
+ * callback does not receive pm_message_t, so the resume type cannot
+ * be distinguished here.
+ *
+ * - The MAC driver must hold RTNL when calling phylink interfaces such as
+ * phylink_suspend()/resume(). Those calls will also perform MDIO I/O.
+ *
+ * - Taking RTNL and doing MDIO from a runtime-PM resume callback (while
+ * the USB PM lock is held) is fragile. Since autosuspend brings no
+ * measurable power saving here, we block it by holding a PM usage
+ * reference in ax88772_bind().
+ */
+static int asix_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ if (priv && priv->suspend)
+ priv->suspend(dev);
+
+ return usbnet_suspend(intf, message);
+}
+
+static void ax88772_resume(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ int i;
+
+ for (i = 0; i < 3; i++)
+ if (!priv->reset(dev, 1))
+ break;
+
+ if (netif_running(dev->net)) {
+ rtnl_lock();
+ phylink_resume(priv->phylink);
+ rtnl_unlock();
}
+}
- if (ret < 0) {
- netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
+static int asix_resume(struct usb_interface *intf)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ if (priv && priv->resume)
+ priv->resume(dev);
+
+ return usbnet_resume(intf);
+}
+
+static int ax88772_init_mdio(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ int ret;
+
+ priv->mdio = mdiobus_alloc();
+ if (!priv->mdio)
+ return -ENOMEM;
+
+ priv->mdio->priv = dev;
+ priv->mdio->read = &asix_mdio_bus_read;
+ priv->mdio->write = &asix_mdio_bus_write;
+ priv->mdio->name = "Asix MDIO Bus";
+ priv->mdio->phy_mask = ~(BIT(priv->phy_addr & 0x1f) | BIT(AX_EMBD_PHY_ADDR));
+ /* mii bus name is usb-<usb bus number>-<usb device number> */
+ snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "usb-%03d:%03d",
+ dev->udev->bus->busnum, dev->udev->devnum);
+
+ ret = mdiobus_register(priv->mdio);
+ if (ret) {
+ netdev_err(dev->net, "Could not register MDIO bus (err %d)\n", ret);
+ mdiobus_free(priv->mdio);
+ priv->mdio = NULL;
+ }
+
+ return ret;
+}
+
+static void ax88772_mdio_unregister(struct asix_common_private *priv)
+{
+ mdiobus_unregister(priv->mdio);
+ mdiobus_free(priv->mdio);
+}
+
+static int ax88772_init_phy(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ int ret;
+
+ priv->phydev = mdiobus_get_phy(priv->mdio, priv->phy_addr);
+ if (!priv->phydev) {
+ netdev_err(dev->net, "Could not find PHY\n");
+ return -ENODEV;
+ }
+
+ ret = phylink_connect_phy(priv->phylink, priv->phydev);
+ if (ret) {
+ netdev_err(dev->net, "Could not connect PHY\n");
return ret;
}
- asix_set_netdev_dev_addr(dev, buf);
+ phy_suspend(priv->phydev);
+ priv->phydev->mac_managed_pm = true;
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = asix_mdio_read;
- dev->mii.mdio_write = asix_mdio_write;
- dev->mii.phy_id_mask = 0x1f;
- dev->mii.reg_num_mask = 0x1f;
- dev->mii.phy_id = asix_get_phy_addr(dev);
+ phy_attached_info(priv->phydev);
- dev->net->netdev_ops = &ax88772_netdev_ops;
- dev->net->ethtool_ops = &ax88772_ethtool_ops;
- dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
- dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+ if (priv->embd_phy)
+ return 0;
+
+ /* In case main PHY is not the embedded PHY and MAC is RMII clock
+ * provider, we need to suspend embedded PHY by keeping PLL enabled
+ * (AX_SWRESET_IPPD == 0).
+ */
+ priv->phydev_int = mdiobus_get_phy(priv->mdio, AX_EMBD_PHY_ADDR);
+ if (!priv->phydev_int) {
+ rtnl_lock();
+ phylink_disconnect_phy(priv->phylink);
+ rtnl_unlock();
+ netdev_err(dev->net, "Could not find internal PHY\n");
+ return -ENODEV;
+ }
- embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+ priv->phydev_int->mac_managed_pm = true;
+ phy_suspend(priv->phydev_int);
- /* Reset the PHY to normal operation mode */
- ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
- if (ret < 0) {
- netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
+ return 0;
+}
+
+static void ax88772_mac_config(struct phylink_config *config, unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ /* Nothing to do */
+}
+
+static void ax88772_mac_link_down(struct phylink_config *config,
+ unsigned int mode, phy_interface_t interface)
+{
+ struct usbnet *dev = netdev_priv(to_net_dev(config->dev));
+
+ asix_write_medium_mode(dev, 0, 0);
+}
+
+static void ax88772_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
+{
+ struct usbnet *dev = netdev_priv(to_net_dev(config->dev));
+ u16 m = AX_MEDIUM_AC | AX_MEDIUM_RE;
+
+ m |= duplex ? AX_MEDIUM_FD : 0;
+
+ switch (speed) {
+ case SPEED_100:
+ m |= AX_MEDIUM_PS;
+ break;
+ case SPEED_10:
+ break;
+ default:
+ return;
+ }
+
+ if (tx_pause)
+ m |= AX_MEDIUM_TFC;
+
+ if (rx_pause)
+ m |= AX_MEDIUM_RFC;
+
+ asix_write_medium_mode(dev, m, 0);
+}
+
+static const struct phylink_mac_ops ax88772_phylink_mac_ops = {
+ .mac_config = ax88772_mac_config,
+ .mac_link_down = ax88772_mac_link_down,
+ .mac_link_up = ax88772_mac_link_up,
+};
+
+static int ax88772_phylink_setup(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ phy_interface_t phy_if_mode;
+ struct phylink *phylink;
+
+ priv->phylink_config.dev = &dev->net->dev;
+ priv->phylink_config.type = PHYLINK_NETDEV;
+ priv->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_ASYM_PAUSE |
+ MAC_10 | MAC_100;
+
+ __set_bit(PHY_INTERFACE_MODE_INTERNAL,
+ priv->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_RMII,
+ priv->phylink_config.supported_interfaces);
+
+ if (priv->embd_phy)
+ phy_if_mode = PHY_INTERFACE_MODE_INTERNAL;
+ else
+ phy_if_mode = PHY_INTERFACE_MODE_RMII;
+
+ phylink = phylink_create(&priv->phylink_config, dev->net->dev.fwnode,
+ phy_if_mode, &ax88772_phylink_mac_ops);
+ if (IS_ERR(phylink))
+ return PTR_ERR(phylink);
+
+ priv->phylink = phylink;
+ return 0;
+}
+
+static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ struct asix_common_private *priv;
+ u8 buf[ETH_ALEN] = {0};
+ int ret, i;
+
+ priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev->driver_priv = priv;
+
+ ret = usbnet_get_endpoints(dev, intf);
+ if (ret)
return ret;
+
+ /* Maybe the boot loader passed the MAC address via device tree */
+ if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
+ netif_dbg(dev, ifup, dev->net,
+ "MAC address read from device tree");
+ } else {
+ /* Try getting the MAC address from EEPROM */
+ if (dev->driver_info->data & FLAG_EEPROM_MAC) {
+ for (i = 0; i < (ETH_ALEN >> 1); i++) {
+ ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+ 0x04 + i, 0, 2, buf + i * 2,
+ 0);
+ if (ret < 0)
+ break;
+ }
+ } else {
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
+ 0, 0, ETH_ALEN, buf, 0);
+ }
+
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
+ ret);
+ return ret;
+ }
}
- ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ asix_set_netdev_dev_addr(dev, buf);
+
+ dev->net->netdev_ops = &ax88772_netdev_ops;
+ dev->net->ethtool_ops = &ax88772_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ ret = asix_read_phy_addr(dev, true);
if (ret < 0)
return ret;
- msleep(150);
+ priv->phy_addr = ret;
+ priv->embd_phy = ((priv->phy_addr & 0x1f) == AX_EMBD_PHY_ADDR);
- ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
- if (ret < 0)
+ ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1,
+ &priv->chipcode, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret);
return ret;
+ }
- msleep(150);
+ priv->chipcode &= AX_CHIPCODE_MASK;
- ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+ priv->resume = ax88772_resume;
+ priv->suspend = ax88772_suspend;
+ if (priv->chipcode == AX_AX88772_CHIPCODE)
+ priv->reset = ax88772_hw_reset;
+ else
+ priv->reset = ax88772a_hw_reset;
- /* Read PHYID register *AFTER* the PHY was reset properly */
- phyid = asix_get_phyid(dev);
- netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
+ ret = priv->reset(dev, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
+ return ret;
+ }
/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
if (dev->driver_info->flags & FLAG_FRAMING_AX) {
@@ -491,17 +923,65 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
dev->rx_urb_size = 2048;
}
- dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
- if (!dev->driver_priv)
- return -ENOMEM;
+ priv->presvd_phy_bmcr = 0;
+ priv->presvd_phy_advertise = 0;
+
+ ret = ax88772_init_mdio(dev);
+ if (ret)
+ goto mdio_err;
+
+ ret = ax88772_phylink_setup(dev);
+ if (ret)
+ goto phylink_err;
+
+ ret = ax88772_init_phy(dev);
+ if (ret)
+ goto initphy_err;
+
+ /* Keep this interface runtime-PM active by taking a usage ref.
+ * Prevents runtime suspend while bound and avoids resume paths
+ * that could deadlock (autoresume under RTNL while USB PM lock
+ * is held, phylink/MDIO wants RTNL).
+ */
+ pm_runtime_get_noresume(&intf->dev);
+
+ return 0;
+
+initphy_err:
+ phylink_destroy(priv->phylink);
+phylink_err:
+ ax88772_mdio_unregister(priv);
+mdio_err:
+ return ret;
+}
+
+static int ax88772_stop(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+
+ phylink_stop(priv->phylink);
return 0;
}
static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
{
- if (dev->driver_priv)
- kfree(dev->driver_priv);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ rtnl_lock();
+ phylink_disconnect_phy(priv->phylink);
+ rtnl_unlock();
+ phylink_destroy(priv->phylink);
+ ax88772_mdio_unregister(priv);
+ asix_rx_fixup_common_free(dev->driver_priv);
+ /* Drop the PM usage ref taken in bind() */
+ pm_runtime_put(&intf->dev);
+}
+
+static void ax88178_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+ asix_rx_fixup_common_free(dev->driver_priv);
+ kfree(dev->driver_priv);
}
static const struct ethtool_ops ax88178_ethtool_ops = {
@@ -514,9 +994,9 @@ static const struct ethtool_ops ax88178_ethtool_ops = {
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
+ .get_link_ksettings = usbnet_get_link_ksettings_mii,
+ .set_link_ksettings = usbnet_set_link_ksettings_mii,
};
static int marvell_phy_init(struct usbnet *dev)
@@ -545,7 +1025,6 @@ static int marvell_phy_init(struct usbnet *dev)
reg = asix_mdio_read(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL);
netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
- reg &= 0xfc0f;
}
return 0;
@@ -607,12 +1086,22 @@ static int ax88178_reset(struct usbnet *dev)
int gpio0 = 0;
u32 phyid;
- asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
+ ret = asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read GPIOS: %d\n", ret);
+ return ret;
+ }
+
netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
- asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
- asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
- asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
+ asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
+ ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read EEPROM: %d\n", ret);
+ return ret;
+ }
+
+ asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
@@ -628,15 +1117,16 @@ static int ax88178_reset(struct usbnet *dev)
netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
/* Power up external GigaPHY through AX88178 GPIO pin */
- asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
+ asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
+ AX_GPIO_GPO1EN, 40, 0);
if ((le16_to_cpu(eeprom) >> 8) != 1) {
- asix_write_gpio(dev, 0x003c, 30);
- asix_write_gpio(dev, 0x001c, 300);
- asix_write_gpio(dev, 0x003c, 30);
+ asix_write_gpio(dev, 0x003c, 30, 0);
+ asix_write_gpio(dev, 0x001c, 300, 0);
+ asix_write_gpio(dev, 0x003c, 30, 0);
} else {
netdev_dbg(dev->net, "gpio phymode == 1 path\n");
- asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
- asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
+ asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
+ asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
}
/* Read PHYID register *AFTER* powering up PHY */
@@ -644,15 +1134,15 @@ static int ax88178_reset(struct usbnet *dev)
netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
- asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+ asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
- asix_sw_reset(dev, 0);
+ asix_sw_reset(dev, 0, 0);
msleep(150);
- asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
msleep(150);
- asix_write_rx_ctl(dev, 0);
+ asix_write_rx_ctl(dev, 0, 0);
if (data->phymode == PHY_MODE_MARVELL) {
marvell_phy_init(dev);
@@ -660,27 +1150,23 @@ static int ax88178_reset(struct usbnet *dev)
} else if (data->phymode == PHY_MODE_RTL8211CL)
rtl8211cl_phy_init(dev);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
- BMCR_RESET | BMCR_ANENABLE);
+ asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
ADVERTISE_1000FULL);
+ asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
mii_nway_restart(&dev->mii);
- ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
- if (ret < 0)
- return ret;
-
/* Rewrite MAC address */
memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
- data->mac_addr);
+ data->mac_addr, 0);
if (ret < 0)
return ret;
- ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
if (ret < 0)
return ret;
@@ -718,7 +1204,7 @@ static int ax88178_link_reset(struct usbnet *dev)
netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
speed, ecmd.duplex, mode);
- asix_write_medium_mode(dev, mode);
+ asix_write_medium_mode(dev, mode, 0);
if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
marvell_led_status(dev, speed);
@@ -747,15 +1233,15 @@ static void ax88178_set_mfb(struct usbnet *dev)
mfb = AX_RX_CTL_MFB_16384;
}
- rxctl = asix_read_rx_ctl(dev);
- asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
+ rxctl = asix_read_rx_ctl(dev, 0);
+ asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
- medium = asix_read_medium_status(dev);
+ medium = asix_read_medium_status(dev, 0);
if (dev->net->mtu > 1500)
medium |= AX_MEDIUM_JFE;
else
medium &= ~AX_MEDIUM_JFE;
- asix_write_medium_mode(dev, medium);
+ asix_write_medium_mode(dev, medium, 0);
if (dev->rx_urb_size > old_rx_urb_size)
usbnet_unlink_rx_urbs(dev);
@@ -768,16 +1254,16 @@ static int ax88178_change_mtu(struct net_device *net, int new_mtu)
netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
- if (new_mtu <= 0 || ll_mtu > 16384)
- return -EINVAL;
-
if ((ll_mtu % dev->maxpacket) == 0)
return -EDOM;
- net->mtu = new_mtu;
+ WRITE_ONCE(net->mtu, new_mtu);
dev->hard_mtu = net->mtu + net->hard_header_len;
ax88178_set_mfb(dev);
+ /* max qlen depend on hard_mtu and rx_urb_size */
+ usbnet_update_max_qlen(dev);
+
return 0;
}
@@ -786,22 +1272,25 @@ static const struct net_device_ops ax88178_netdev_ops = {
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_get_stats64 = dev_get_tstats64,
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = asix_set_multicast,
- .ndo_do_ioctl = asix_ioctl,
+ .ndo_eth_ioctl = asix_ioctl,
.ndo_change_mtu = ax88178_change_mtu,
};
static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret;
- u8 buf[ETH_ALEN];
+ u8 buf[ETH_ALEN] = {0};
- usbnet_get_endpoints(dev,intf);
+ ret = usbnet_get_endpoints(dev, intf);
+ if (ret)
+ return ret;
/* Get the MAC address */
- ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
@@ -816,16 +1305,20 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0xff;
dev->mii.supports_gmii = 1;
- dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->mii.phy_id = asix_read_phy_addr(dev, true);
+ if (dev->mii.phy_id < 0)
+ return dev->mii.phy_id;
dev->net->netdev_ops = &ax88178_netdev_ops;
dev->net->ethtool_ops = &ax88178_ethtool_ops;
+ dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
/* Blink LEDS so users know driver saw dongle */
- asix_sw_reset(dev, 0);
+ asix_sw_reset(dev, 0, 0);
msleep(150);
- asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
msleep(150);
/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
@@ -886,10 +1379,9 @@ static const struct driver_info ax88772_info = {
.description = "ASIX AX88772 USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
- .status = asix_status,
- .link_reset = ax88772_link_reset,
.reset = ax88772_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
+ .stop = ax88772_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
@@ -898,11 +1390,21 @@ static const struct driver_info ax88772b_info = {
.description = "ASIX AX88772B USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
- .status = asix_status,
- .link_reset = ax88772_link_reset,
.reset = ax88772_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
- FLAG_MULTI_PACKET,
+ .stop = ax88772_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+ .data = FLAG_EEPROM_MAC,
+};
+
+static const struct driver_info lxausb_t1l_info = {
+ .description = "Linux Automation GmbH USB 10Base-T1L",
+ .bind = ax88772_bind,
+ .unbind = ax88772_unbind,
+ .reset = ax88772_reset,
+ .stop = ax88772_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
@@ -911,11 +1413,12 @@ static const struct driver_info ax88772b_info = {
static const struct driver_info ax88178_info = {
.description = "ASIX AX88178 USB 2.0 Ethernet",
.bind = ax88178_bind,
- .unbind = ax88772_unbind,
+ .unbind = ax88178_unbind,
.status = asix_status,
.link_reset = ax88178_link_reset,
.reset = ax88178_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
@@ -933,17 +1436,25 @@ static const struct driver_info hg20f9_info = {
.description = "HG20F9 USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
- .status = asix_status,
- .link_reset = ax88772_link_reset,
.reset = ax88772_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
- FLAG_MULTI_PACKET,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
};
-extern const struct driver_info ax88172a_info;
+static const struct driver_info lyconsys_fibergecko100_info = {
+ .description = "LyconSys FiberGecko 100 USB 2.0 to SFP Adapter",
+ .bind = ax88178_bind,
+ .status = asix_status,
+ .link_reset = ax88178_link_reset,
+ .reset = ax88178_link_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+ .data = 0x20061201,
+};
static const struct usb_device_id products [] = {
{
@@ -971,6 +1482,10 @@ static const struct usb_device_id products [] = {
USB_DEVICE (0x08dd, 0x90ff),
.driver_info = (unsigned long) &ax8817x_info,
}, {
+ // Billionton Systems, GUSB2AM-1G-B
+ USB_DEVICE(0x08dd, 0x0114),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
// ATEN UC210T
USB_DEVICE (0x0557, 0x2009),
.driver_info = (unsigned long) &ax8817x_info,
@@ -991,6 +1506,10 @@ static const struct usb_device_id products [] = {
USB_DEVICE (0x0df6, 0x0056),
.driver_info = (unsigned long) &ax88178_info,
}, {
+ // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
+ USB_DEVICE (0x0df6, 0x061c),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
// corega FEther USB2-TX
USB_DEVICE (0x07aa, 0x0017),
.driver_info = (unsigned long) &ax8817x_info,
@@ -1009,7 +1528,7 @@ static const struct usb_device_id products [] = {
}, {
// Lenovo U2L100P 10/100
USB_DEVICE (0x17ef, 0x7203),
- .driver_info = (unsigned long) &ax88772_info,
+ .driver_info = (unsigned long)&ax88772b_info,
}, {
// ASIX AX88772B 10/100
USB_DEVICE (0x0b95, 0x772b),
@@ -1077,7 +1596,7 @@ static const struct usb_device_id products [] = {
}, {
// Asus USB Ethernet Adapter
USB_DEVICE (0x0b95, 0x7e2b),
- .driver_info = (unsigned long) &ax88772_info,
+ .driver_info = (unsigned long)&ax88772b_info,
}, {
/* ASIX 88172a demo board */
USB_DEVICE(0x0b95, 0x172a),
@@ -1090,6 +1609,14 @@ static const struct usb_device_id products [] = {
*/
USB_DEVICE(0x066b, 0x20f9),
.driver_info = (unsigned long) &hg20f9_info,
+}, {
+ // Linux Automation GmbH USB 10Base-T1L
+ USB_DEVICE(0x33f7, 0x0004),
+ .driver_info = (unsigned long) &lxausb_t1l_info,
+}, {
+ /* LyconSys FiberGecko 100 */
+ USB_DEVICE(0x1d2a, 0x0801),
+ .driver_info = (unsigned long) &lyconsys_fibergecko100_info,
},
{ }, // END
};
@@ -1099,9 +1626,15 @@ static struct usb_driver asix_driver = {
.name = DRIVER_NAME,
.id_table = products,
.probe = usbnet_probe,
- .suspend = usbnet_suspend,
- .resume = usbnet_resume,
+ .suspend = asix_suspend,
+ .resume = asix_resume,
+ .reset_resume = asix_resume,
.disconnect = usbnet_disconnect,
+ /* usbnet enables autosuspend by default (supports_autosuspend=1).
+ * We keep runtime-PM active for AX88772* by taking a PM usage
+ * reference in ax88772_bind() (pm_runtime_get_noresume()) and
+ * dropping it in unbind(), which effectively blocks autosuspend.
+ */
.supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1,
};