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aqc111.c
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aqc111.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/* Aquantia Corp. Aquantia AQtion USB to 5GbE Controller
* Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
* Copyright (C) 2002-2003 TiVo Inc.
* Copyright (C) 2017-2018 ASIX
* Copyright (C) 2018 Aquantia Corp.
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/crc32.h>
#include <linux/if_vlan.h>
#include <linux/usb/cdc.h>
#include <linux/workqueue.h>
#include "aq_compat.h"
#include "aqc111.h"
#define DRIVER_VERSION "1.3.3.0"
#define DRIVER_NAME "aqc111"
static int aqc111_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data)
{
int ret;
ret = usbnet_read_cmd_nopm(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index, data, size);
if (unlikely(ret < 0))
netdev_warn(dev->net,
"Failed to read(0x%x) reg index 0x%04x: %d\n",
cmd, index, ret);
return ret;
}
static int aqc111_read_cmd(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data)
{
int ret;
ret = usbnet_read_cmd(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index, data, size);
if (unlikely(ret < 0))
netdev_warn(dev->net,
"Failed to read(0x%x) reg index 0x%04x: %d\n",
cmd, index, ret);
return ret;
}
static int aqc111_read16_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 *data)
{
int ret = 0;
ret = aqc111_read_cmd_nopm(dev, cmd, value, index, sizeof(*data), data);
le16_to_cpus(data);
return ret;
}
static int aqc111_read16_cmd(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 *data)
{
int ret = 0;
ret = aqc111_read_cmd(dev, cmd, value, index, sizeof(*data), data);
le16_to_cpus(data);
return ret;
}
static int __aqc111_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
u16 value, u16 index, u16 size, const void *data)
{
int err = -ENOMEM;
void *buf = NULL;
netdev_dbg(dev->net,
"%s cmd=%#x reqtype=%#x value=%#x index=%#x size=%d\n",
__func__, cmd, reqtype, value, index, size);
if (data) {
buf = kmemdup(data, size, GFP_KERNEL);
if (!buf)
goto out;
}
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
cmd, reqtype, value, index, buf, size,
(cmd == AQ_PHY_POWER) ? AQ_USB_PHY_SET_TIMEOUT :
AQ_USB_SET_TIMEOUT);
if (unlikely(err < 0))
netdev_warn(dev->net,
"Failed to write(0x%x) reg index 0x%04x: %d\n",
cmd, index, err);
kfree(buf);
out:
return err;
}
static int aqc111_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data)
{
int ret;
ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index, size, data);
return ret;
}
static int aqc111_write_cmd(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data)
{
int ret;
if (usb_autopm_get_interface(dev->intf) < 0)
return -ENODEV;
ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index, size, data);
usb_autopm_put_interface(dev->intf);
return ret;
}
static int aqc111_write16_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 *data)
{
u16 tmp = *data;
cpu_to_le16s(&tmp);
return aqc111_write_cmd_nopm(dev, cmd, value, index, sizeof(tmp), &tmp);
}
static int aqc111_write16_cmd(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 *data)
{
u16 tmp = *data;
cpu_to_le16s(&tmp);
return aqc111_write_cmd(dev, cmd, value, index, sizeof(tmp), &tmp);
}
static int aqc111_write32_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u32 *data)
{
u32 tmp = *data;
cpu_to_le32s(&tmp);
return aqc111_write_cmd_nopm(dev, cmd, value, index, sizeof(tmp), &tmp);
}
static int aqc111_write32_cmd(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u32 *data)
{
u32 tmp = *data;
cpu_to_le32s(&tmp);
return aqc111_write_cmd(dev, cmd, value, index, sizeof(tmp), &tmp);
}
static int aqc111_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data)
{
return usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index, data,
size);
}
static int aqc111_write16_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 *data)
{
u16 tmp = *data;
cpu_to_le16s(&tmp);
return aqc111_write_cmd_async(dev, cmd, value, index,
sizeof(tmp), &tmp);
}
static int aqc111_mdio_read(struct usbnet *dev, u16 value, u16 index, u16 *data)
{
return aqc111_read16_cmd(dev, AQ_PHY_CMD, value, index, data);
}
static int aqc111_mdio_write(struct usbnet *dev, u16 value,
u16 index, u16 *data)
{
return aqc111_write16_cmd(dev, AQ_PHY_CMD, value, index, data);
}
#if KERNEL_VERSION(4, 6, 0) > LINUX_VERSION_CODE
static int aqc111_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
struct mii_if_info *mii = &dev->mii;
u32 speed = SPEED_UNKNOWN;
cmd->supported =
(SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
/* only supports twisted-pair */
cmd->port = PORT_MII;
/* only supports internal transceiver */
cmd->transceiver = XCVR_INTERNAL;
/* this isn't fully supported at higher layers */
cmd->phy_address = mii->phy_id;
cmd->mdio_support = 0x00; /*Not supported*/
cmd->advertising =
(ADVERTISED_100baseT_Full |
ADVERTISED_1000baseT_Full |
ADVERTISED_Autoneg | ADVERTISED_TP | ADVERTISED_MII);
cmd->autoneg = aqc111_data->autoneg;
switch (aqc111_data->link_speed) {
case AQ_INT_SPEED_5G:
speed = SPEED_5000;
break;
case AQ_INT_SPEED_2_5G:
speed = SPEED_2500;
break;
case AQ_INT_SPEED_1G:
speed = SPEED_1000;
break;
case AQ_INT_SPEED_100M:
speed = SPEED_100;
break;
}
cmd->duplex = DUPLEX_FULL;
ethtool_cmd_speed_set(cmd, speed);
mii->full_duplex = cmd->duplex;
return 0;
}
#endif
static void aqc111_get_drvinfo(struct net_device *net,
struct ethtool_drvinfo *info)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
/* Inherit standard device info */
usbnet_get_drvinfo(net, info);
strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver));
strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
snprintf(info->fw_version, sizeof(info->fw_version), "%u.%u.%u",
aqc111_data->fw_ver.major,
aqc111_data->fw_ver.minor,
aqc111_data->fw_ver.rev);
info->eedump_len = 0x00;
info->regdump_len = 0x00;
}
static void aqc111_get_wol(struct net_device *net,
struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
wolinfo->supported = WAKE_MAGIC;
wolinfo->wolopts = 0;
if (aqc111_data->wol_flags & AQ_WOL_FLAG_MP)
wolinfo->wolopts |= WAKE_MAGIC;
}
static int aqc111_set_wol(struct net_device *net,
struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
if (wolinfo->wolopts & ~WAKE_MAGIC)
return -EINVAL;
aqc111_data->wol_flags = 0;
if (wolinfo->wolopts & WAKE_MAGIC)
aqc111_data->wol_flags |= AQ_WOL_FLAG_MP;
return 0;
}
static const char aqc111_priv_flag_names[][ETH_GSTRING_LEN] = {
"Low Power 5G",
"Thermal throttling",
};
static void aqc111_get_strings(struct net_device *net, u32 stringset, u8 *data)
{
switch (stringset) {
case ETH_SS_PRIV_FLAGS:
memcpy(data, aqc111_priv_flag_names,
sizeof(aqc111_priv_flag_names));
break;
}
}
static u32 aqc111_get_priv_flags(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
return aqc111_data->priv_flags;
}
static void aqc111_set_phy_speed_fw_iface(struct usbnet *dev,
struct aqc111_data *aqc111_data)
{
aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0, &aqc111_data->phy_cfg);
}
static void aqc111_set_phy_speed_direct(struct usbnet *dev,
struct aqc111_data *aqc111_data)
{
u16 reg16_1 = 0;
u16 reg16_2 = 0;
u16 reg16_3 = 0;
/* Disable auto-negotiation */
reg16_1 = AQ_ANEG_EX_PAGE_CTRL;
aqc111_mdio_write(dev, AQ_AUTONEG_STD_CTRL_REG, AQ_PHY_AUTONEG_ADDR,
®16_1);
reg16_1 = AQ_ANEG_EX_PHY_ID | AQ_ANEG_ADV_AQRATE;
if (aqc111_data->phy_cfg & AQ_DOWNSHIFT) {
reg16_1 |= AQ_ANEG_EN_DSH;
reg16_1 |= (aqc111_data->phy_cfg & AQ_DSH_RETRIES_MASK) >>
AQ_DSH_RETRIES_SHIFT;
}
reg16_2 = AQ_ANEG_ADV_LT;
if (aqc111_data->phy_cfg & AQ_PAUSE)
reg16_3 |= AQ_ANEG_PAUSE;
if (aqc111_data->phy_cfg & AQ_ASYM_PAUSE)
reg16_3 |= AQ_ANEG_ASYM_PAUSE;
if (aqc111_data->phy_cfg & AQ_ADV_5G) {
reg16_1 |= AQ_ANEG_ADV_5G_N;
reg16_2 |= AQ_ANEG_ADV_5G_T;
}
if (aqc111_data->phy_cfg & AQ_ADV_2G5) {
reg16_1 |= AQ_ANEG_ADV_2G5_N;
reg16_2 |= AQ_ANEG_ADV_2G5_T;
}
if (aqc111_data->phy_cfg & AQ_ADV_1G)
reg16_1 |= AQ_ANEG_ADV_1G;
if (aqc111_data->phy_cfg & AQ_ADV_100M)
reg16_3 |= AQ_ANEG_100M;
aqc111_mdio_write(dev, AQ_AUTONEG_VEN_PROV1_REG,
AQ_PHY_AUTONEG_ADDR, ®16_1);
aqc111_mdio_write(dev, AQ_AUTONEG_10GT_CTRL_REG,
AQ_PHY_AUTONEG_ADDR, ®16_2);
aqc111_mdio_read(dev, AQ_GLB_SYS_CFG_REG_5G, AQ_PHY_GLOBAL_ADDR,
®16_1);
reg16_1 &= ~AQ_SERDES_MODE_MASK;
if (aqc111_data->phy_cfg & AQ_XFI_DIV_2)
reg16_1 |= AQ_SERDES_MODE_XFI_DIV_2;
else
reg16_1 |= AQ_SERDES_MODE_XFI;
aqc111_mdio_write(dev, AQ_GLB_SYS_CFG_REG_5G, AQ_PHY_GLOBAL_ADDR,
®16_1);
aqc111_mdio_read(dev, AQ_AUTONEG_ADV_REG, AQ_PHY_AUTONEG_ADDR,
®16_1);
reg16_1 &= ~AQ_ANEG_ABILITY_MASK;
reg16_1 |= reg16_3;
aqc111_mdio_write(dev, AQ_AUTONEG_ADV_REG, AQ_PHY_AUTONEG_ADDR,
®16_1);
/* Restart auto-negotiation */
reg16_1 = AQ_ANEG_EX_PAGE_CTRL | AQ_ANEG_EN_ANEG |
AQ_ANEG_RESTART_ANEG;
aqc111_mdio_write(dev, AQ_AUTONEG_STD_CTRL_REG,
AQ_PHY_AUTONEG_ADDR, ®16_1);
}
static void aqc111_set_phy_speed(struct usbnet *dev, u8 autoneg, u16 speed)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
aqc111_data->phy_cfg &= ~AQ_ADV_MASK;
aqc111_data->phy_cfg |= AQ_PAUSE;
aqc111_data->phy_cfg |= AQ_ASYM_PAUSE;
aqc111_data->phy_cfg |= AQ_DOWNSHIFT;
aqc111_data->phy_cfg &= ~AQ_DSH_RETRIES_MASK;
aqc111_data->phy_cfg |= (3 << AQ_DSH_RETRIES_SHIFT) &
AQ_DSH_RETRIES_MASK;
aqc111_data->phy_cfg &= ~AQ_XFI_DIV_2;
if (aqc111_data->priv_flags & AQ_PF_XFI_DIV_2)
aqc111_data->phy_cfg |= AQ_XFI_DIV_2;
if (autoneg == AUTONEG_ENABLE) {
switch (speed) {
case SPEED_5000:
aqc111_data->phy_cfg |= AQ_ADV_5G;
/* fall-through */
case SPEED_2500:
aqc111_data->phy_cfg |= AQ_ADV_2G5;
/* fall-through */
case SPEED_1000:
aqc111_data->phy_cfg |= AQ_ADV_1G;
/* fall-through */
case SPEED_100:
aqc111_data->phy_cfg |= AQ_ADV_100M;
/* fall-through */
}
} else {
switch (speed) {
case SPEED_5000:
aqc111_data->phy_cfg |= AQ_ADV_5G;
break;
case SPEED_2500:
aqc111_data->phy_cfg |= AQ_ADV_2G5;
break;
case SPEED_1000:
aqc111_data->phy_cfg |= AQ_ADV_1G;
break;
case SPEED_100:
aqc111_data->phy_cfg |= AQ_ADV_100M;
break;
}
}
if (aqc111_data->dpa)
aqc111_set_phy_speed_direct(dev, aqc111_data);
else
aqc111_set_phy_speed_fw_iface(dev, aqc111_data);
}
static int aqc111_update_thermal_params(struct usbnet *dev)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
struct aqc111_thermal_params therm_params = {};
therm_params.enable = (aqc111_data->priv_flags & AQ_PF_THERMAL) ? 1 : 0;
therm_params.threshold_critical = AQ_CRITICAL_TEMP_THRESHOLD;
therm_params.threshold_high = AQ_HIGH_TEMP_THRESHOLD;
therm_params.threshold_normal = AQ_NORMAL_TEMP_THRESHOLD;
therm_params.phy_speed_mask = AQ_ADV_100M;
return aqc111_write_cmd(dev, AQ_PHY_THERMAL, 0, 0,
sizeof(struct aqc111_thermal_params),
&therm_params);
}
static int aqc111_set_priv_flags(struct net_device *net, u32 flags)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
u32 changed;
if (flags & ~AQ_PRIV_FLAGS_MASK)
return -EOPNOTSUPP;
changed = aqc111_data->priv_flags^flags;
aqc111_data->priv_flags = flags;
if (!(aqc111_data->phy_cfg & AQ_LOW_POWER) &&
(aqc111_data->phy_cfg & AQ_PHY_POWER_EN)) {
if (changed & AQ_PF_XFI_DIV_2) {
aqc111_set_phy_speed(dev, aqc111_data->autoneg,
aqc111_data->advertised_speed);
}
}
if (changed & AQ_PF_THERMAL)
aqc111_update_thermal_params(dev);
return 0;
}
static int aqc111_get_sset_count(struct net_device *net, int stringset)
{
int ret = 0;
switch (stringset) {
case ETH_SS_PRIV_FLAGS:
ret = ARRAY_SIZE(aqc111_priv_flag_names);
break;
default:
ret = -EOPNOTSUPP;
}
return ret;
}
#if KERNEL_VERSION(4, 6, 0) <= LINUX_VERSION_CODE
static void aqc111_speed_to_link_mode(u32 speed,
struct ethtool_link_ksettings *elk)
{
switch (speed) {
#if KERNEL_VERSION(4, 10, 0) <= LINUX_VERSION_CODE
case SPEED_5000:
ethtool_link_ksettings_add_link_mode(elk, advertising,
5000baseT_Full);
break;
case SPEED_2500:
ethtool_link_ksettings_add_link_mode(elk, advertising,
2500baseT_Full);
break;
#endif
case SPEED_1000:
ethtool_link_ksettings_add_link_mode(elk, advertising,
1000baseT_Full);
break;
case SPEED_100:
ethtool_link_ksettings_add_link_mode(elk, advertising,
100baseT_Full);
break;
}
}
static int aqc111_get_link_ksettings(struct net_device *net,
struct ethtool_link_ksettings *elk)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
enum usb_device_speed usb_speed = dev->udev->speed;
u32 speed = SPEED_UNKNOWN;
ethtool_link_ksettings_zero_link_mode(elk, supported);
ethtool_link_ksettings_add_link_mode(elk, supported,
100baseT_Full);
ethtool_link_ksettings_add_link_mode(elk, supported,
1000baseT_Full);
#if KERNEL_VERSION(4, 10, 0) <= LINUX_VERSION_CODE
if (usb_speed == USB_SPEED_SUPER) {
ethtool_link_ksettings_add_link_mode(elk, supported,
2500baseT_Full);
ethtool_link_ksettings_add_link_mode(elk, supported,
5000baseT_Full);
}
#endif
ethtool_link_ksettings_add_link_mode(elk, supported, TP);
ethtool_link_ksettings_add_link_mode(elk, supported, Autoneg);
elk->base.port = PORT_TP;
#if KERNEL_VERSION(4, 14, 0) <= LINUX_VERSION_CODE
elk->base.transceiver = XCVR_INTERNAL;
#endif
elk->base.mdio_support = 0x00; /*Not supported*/
if (aqc111_data->autoneg)
linkmode_copy(elk->link_modes.advertising,
elk->link_modes.supported);
else
aqc111_speed_to_link_mode(aqc111_data->advertised_speed, elk);
elk->base.autoneg = aqc111_data->autoneg;
switch (aqc111_data->link_speed) {
case AQ_INT_SPEED_5G:
speed = SPEED_5000;
break;
case AQ_INT_SPEED_2_5G:
speed = SPEED_2500;
break;
case AQ_INT_SPEED_1G:
speed = SPEED_1000;
break;
case AQ_INT_SPEED_100M:
speed = SPEED_100;
break;
}
elk->base.duplex = DUPLEX_FULL;
elk->base.speed = speed;
return 0;
}
#endif
#if KERNEL_VERSION(4, 6, 0) <= LINUX_VERSION_CODE
static int aqc111_set_link_ksettings(struct net_device *net,
const struct ethtool_link_ksettings *elk)
#else
static int aqc111_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
#endif
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
enum usb_device_speed usb_speed = dev->udev->speed;
#if KERNEL_VERSION(4, 6, 0) <= LINUX_VERSION_CODE
u8 autoneg = elk->base.autoneg;
u32 speed = elk->base.speed;
u8 duplex = elk->base.duplex;
#else
u16 speed = ethtool_cmd_speed(cmd);
u8 autoneg = cmd->autoneg;
u8 duplex = cmd->duplex;
#endif
if (autoneg == AUTONEG_ENABLE) {
if (aqc111_data->autoneg != AUTONEG_ENABLE) {
aqc111_data->autoneg = AUTONEG_ENABLE;
aqc111_data->advertised_speed =
(usb_speed == USB_SPEED_SUPER) ?
SPEED_5000 : SPEED_1000;
aqc111_set_phy_speed(dev, aqc111_data->autoneg,
aqc111_data->advertised_speed);
}
} else {
if (speed != SPEED_100 &&
speed != SPEED_1000 &&
speed != SPEED_2500 &&
speed != SPEED_5000 &&
speed != SPEED_UNKNOWN)
return -EINVAL;
if (duplex != DUPLEX_FULL)
return -EINVAL;
if (usb_speed != USB_SPEED_SUPER && speed > SPEED_1000)
return -EINVAL;
aqc111_data->autoneg = AUTONEG_DISABLE;
if (speed != SPEED_UNKNOWN)
aqc111_data->advertised_speed = speed;
aqc111_set_phy_speed(dev, aqc111_data->autoneg,
aqc111_data->advertised_speed);
}
return 0;
}
static const struct ethtool_ops aqc111_ethtool_ops = {
#if KERNEL_VERSION(4, 6, 0) > LINUX_VERSION_CODE
.get_settings = aqc111_get_settings,
.set_settings = aqc111_set_settings,
#endif
.get_drvinfo = aqc111_get_drvinfo,
.get_wol = aqc111_get_wol,
.set_wol = aqc111_set_wol,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_link = ethtool_op_get_link,
.get_strings = aqc111_get_strings,
.get_priv_flags = aqc111_get_priv_flags,
.set_priv_flags = aqc111_set_priv_flags,
.get_sset_count = aqc111_get_sset_count,
#if KERNEL_VERSION(4, 6, 0) <= LINUX_VERSION_CODE
.get_link_ksettings = aqc111_get_link_ksettings,
.set_link_ksettings = aqc111_set_link_ksettings
#endif
};
static int aqc111_change_mtu(struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
u16 reg16 = 0;
u8 buf[5];
#if KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE
if (new_mtu <= 0 || new_mtu > 16334)
return -EINVAL;
#endif
net->mtu = new_mtu;
dev->hard_mtu = net->mtu + net->hard_header_len;
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, ®16);
if (net->mtu > 1500)
reg16 |= SFR_MEDIUM_JUMBO_EN;
else
reg16 &= ~SFR_MEDIUM_JUMBO_EN;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, ®16);
if (dev->net->mtu > 12500) {
memcpy(buf, &AQC111_BULKIN_SIZE[2], 5);
/* RX bulk configuration */
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QCTRL,
5, 5, buf);
}
/* Set high low water level */
if (dev->net->mtu <= 4500)
reg16 = 0x0810;
else if (dev->net->mtu <= 9500)
reg16 = 0x1020;
else if (dev->net->mtu <= 12500)
reg16 = 0x1420;
else
reg16 = 0x1A20;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_PAUSE_WATERLVL_LOW,
2, ®16);
return 0;
}
static int aqc111_set_mac_addr(struct net_device *net, void *p)
{
struct usbnet *dev = netdev_priv(net);
int ret = 0;
ret = eth_mac_addr(net, p);
if (ret < 0)
return ret;
/* Set the MAC address */
return aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_NODE_ID, ETH_ALEN,
ETH_ALEN, net->dev_addr);
}
static int aqc111_vlan_rx_kill_vid(struct net_device *net,
__be16 proto, u16 vid)
{
struct usbnet *dev = netdev_priv(net);
u8 vlan_ctrl = 0;
u16 reg16 = 0;
u8 reg8 = 0;
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, ®8);
vlan_ctrl = reg8;
/* Address */
reg8 = (vid / 16);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_ADDRESS, 1, 1, ®8);
/* Data */
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_RD;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, ®8);
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, ®16);
reg16 &= ~(1 << (vid % 16));
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, ®16);
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_WE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, ®8);
return 0;
}
static int aqc111_vlan_rx_add_vid(struct net_device *net, __be16 proto, u16 vid)
{
struct usbnet *dev = netdev_priv(net);
u8 vlan_ctrl = 0;
u16 reg16 = 0;
u8 reg8 = 0;
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, ®8);
vlan_ctrl = reg8;
/* Address */
reg8 = (vid / 16);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_ADDRESS, 1, 1, ®8);
/* Data */
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_RD;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, ®8);
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, ®16);
reg16 |= (1 << (vid % 16));
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, ®16);
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_WE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, ®8);
return 0;
}
static void aqc111_set_rx_mode(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
int mc_count = 0;
mc_count = netdev_mc_count(net);
aqc111_data->rxctl &= ~(SFR_RX_CTL_PRO | SFR_RX_CTL_AMALL |
SFR_RX_CTL_AM);
if (net->flags & IFF_PROMISC) {
aqc111_data->rxctl |= SFR_RX_CTL_PRO;
} else if ((net->flags & IFF_ALLMULTI) || mc_count > AQ_MAX_MCAST) {
aqc111_data->rxctl |= SFR_RX_CTL_AMALL;
} else if (!netdev_mc_empty(net)) {
u8 m_filter[AQ_MCAST_FILTER_SIZE] = { 0 };
struct netdev_hw_addr *ha = NULL;
u32 crc_bits = 0;
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
m_filter[crc_bits >> 3] |= BIT(crc_bits & 7);
}
aqc111_write_cmd_async(dev, AQ_ACCESS_MAC,
SFR_MULTI_FILTER_ARRY,
AQ_MCAST_FILTER_SIZE,
AQ_MCAST_FILTER_SIZE, m_filter);
aqc111_data->rxctl |= SFR_RX_CTL_AM;
}
aqc111_write16_cmd_async(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
2, &aqc111_data->rxctl);
}
static int aqc111_set_features(struct net_device *net,
netdev_features_t features)
{
struct usbnet *dev = netdev_priv(net);
struct aqc111_data *aqc111_data = dev->driver_priv;
netdev_features_t changed = net->features ^ features;
u16 reg16 = 0;
u8 reg8 = 0;
if (changed & NETIF_F_IP_CSUM) {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, ®8);
reg8 ^= SFR_TXCOE_TCP | SFR_TXCOE_UDP;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL,
1, 1, ®8);
}
if (changed & NETIF_F_IPV6_CSUM) {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, ®8);
reg8 ^= SFR_TXCOE_TCPV6 | SFR_TXCOE_UDPV6;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL,
1, 1, ®8);
}
if (changed & NETIF_F_RXCSUM) {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_RXCOE_CTL, 1, 1, ®8);
if (features & NETIF_F_RXCSUM) {
aqc111_data->rx_checksum = 1;
reg8 &= ~(SFR_RXCOE_IP | SFR_RXCOE_TCP | SFR_RXCOE_UDP |
SFR_RXCOE_TCPV6 | SFR_RXCOE_UDPV6);
} else {
aqc111_data->rx_checksum = 0;
reg8 |= SFR_RXCOE_IP | SFR_RXCOE_TCP | SFR_RXCOE_UDP |
SFR_RXCOE_TCPV6 | SFR_RXCOE_UDPV6;
}
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RXCOE_CTL,
1, 1, ®8);
}
if (changed & NETIF_F_HW_VLAN_CTAG_FILTER) {
if (features & NETIF_F_HW_VLAN_CTAG_FILTER) {
u16 i = 0;
for (i = 0; i < 256; i++) {
/* Address */
reg8 = i;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_ADDRESS,
1, 1, ®8);
/* Data */
aqc111_write16_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_DATA0,
2, ®16);
reg8 = SFR_VLAN_CONTROL_WE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_CONTROL,
1, 1, ®8);
}
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
1, 1, ®8);
reg8 |= SFR_VLAN_CONTROL_VFE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_CONTROL, 1, 1, ®8);
} else {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
1, 1, ®8);
reg8 &= ~SFR_VLAN_CONTROL_VFE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_CONTROL, 1, 1, ®8);
}
}
return 0;
}
static const struct net_device_ops aqc111_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_get_stats64 = usbnet_get_stats64,
#if (RHEL_RELEASE_VERSION(7, 5) <= RHEL_RELEASE_CODE)
.extended.ndo_change_mtu = aqc111_change_mtu,
.ndo_size = sizeof(const struct net_device_ops),
#else
.ndo_change_mtu = aqc111_change_mtu,
#endif
.ndo_set_mac_address = aqc111_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = aqc111_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = aqc111_vlan_rx_kill_vid,
.ndo_set_rx_mode = aqc111_set_rx_mode,
.ndo_set_features = aqc111_set_features,
};
static int aqc111_read_perm_mac(struct usbnet *dev)
{
u8 buf[ETH_ALEN];
int ret;
ret = aqc111_read_cmd(dev, AQ_FLASH_PARAMETERS, 0, 0, ETH_ALEN, buf);
if (ret < 0)
goto out;
ether_addr_copy(dev->net->perm_addr, buf);
return 0;
out:
return ret;
}
static void aqc111_read_fw_version(struct usbnet *dev,
struct aqc111_data *aqc111_data)
{
aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_MAJOR,
1, 1, &aqc111_data->fw_ver.major);
aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_MINOR,
1, 1, &aqc111_data->fw_ver.minor);
aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_REV,
1, 1, &aqc111_data->fw_ver.rev);
if (aqc111_data->fw_ver.major & 0x80)
aqc111_data->fw_ver.major &= ~0x80;
else
aqc111_data->dpa = 1;
}
static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf)
{
struct usb_device *udev = interface_to_usbdev(intf);
enum usb_device_speed usb_speed = udev->speed;
struct aqc111_data *aqc111_data;
int ret;
/* Force switch to LAN config */
aqc111_write_cmd(dev, AQ_SWITCH_CONFIG, AQ_SW_CONFIG_MAGIC_KEY,
AQ_SW_CONFIG_LAN, 0, NULL);
/* Check if vendor configuration */
if (udev->actconfig->desc.bConfigurationValue != 1) {
usb_driver_set_configuration(udev, 1);
return -ENODEV;
}
usb_reset_configuration(dev->udev);
ret = usbnet_get_endpoints(dev, intf);
if (ret < 0) {
netdev_dbg(dev->net, "usbnet_get_endpoints failed");
return ret;
}
aqc111_data = kzalloc(sizeof(*aqc111_data), GFP_KERNEL);
if (!aqc111_data)
return -ENOMEM;
/* store aqc111_data pointer in device data field */
dev->driver_priv = aqc111_data;
/* Init the MAC address */
ret = aqc111_read_perm_mac(dev);
if (ret)
goto out;
ether_addr_copy(dev->net->dev_addr, dev->net->perm_addr);
/* Set Rx urb size */
dev->rx_urb_size = URB_SIZE;
/* Set TX needed headroom & tailroom */
dev->net->needed_headroom += sizeof(u64);
dev->net->needed_tailroom += sizeof(u64);
#if KERNEL_VERSION(4, 10, 0) <= LINUX_VERSION_CODE
dev->net->max_mtu = 16334;