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linux-zen-server/drivers/net/usb/aqc111.c

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Initial commit
2023-08-30 17:53:23 +02:00
// 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/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/usb/usbnet.h>
#include <linux/linkmode.h>
#include "aqc111.h"
#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, const 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 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);
strscpy(info->driver, DRIVER_NAME, sizeof(info->driver));
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 void aqc111_speed_to_link_mode(u32 speed,
struct ethtool_link_ksettings *elk)
{
switch (speed) {
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;
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 (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);
}
ethtool_link_ksettings_add_link_mode(elk, supported, TP);
ethtool_link_ksettings_add_link_mode(elk, supported, Autoneg);
elk->base.port = PORT_TP;
elk->base.transceiver = XCVR_INTERNAL;
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;
}
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;
if (autoneg == AUTONEG_ENABLE) {
switch (speed) {
case SPEED_5000:
aqc111_data->phy_cfg |= AQ_ADV_5G;
fallthrough;
case SPEED_2500:
aqc111_data->phy_cfg |= AQ_ADV_2G5;
fallthrough;
case SPEED_1000:
aqc111_data->phy_cfg |= AQ_ADV_1G;
fallthrough;
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;
}
}
aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0, &aqc111_data->phy_cfg);
}
static int aqc111_set_link_ksettings(struct net_device *net,
const 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;
u8 autoneg = elk->base.autoneg;
u32 speed = elk->base.speed;
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 (elk->base.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 = {
.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_link_ksettings = aqc111_get_link_ksettings,
.set_link_ksettings = aqc111_set_link_ksettings
};
static int aqc111_change_mtu(struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
u16 reg16 = 0;
u8 buf[5];
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, &reg16);
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, &reg16);
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, &reg16);
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, &reg8);
vlan_ctrl = reg8;
/* Address */
reg8 = (vid / 16);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_ADDRESS, 1, 1, &reg8);
/* Data */
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_RD;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
reg16 &= ~(1 << (vid % 16));
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_WE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
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, &reg8);
vlan_ctrl = reg8;
/* Address */
reg8 = (vid / 16);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_ADDRESS, 1, 1, &reg8);
/* Data */
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_RD;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
reg16 |= (1 << (vid % 16));
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
reg8 = vlan_ctrl | SFR_VLAN_CONTROL_WE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
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, &reg8);
reg8 ^= SFR_TXCOE_TCP | SFR_TXCOE_UDP;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL,
1, 1, &reg8);
}
if (changed & NETIF_F_IPV6_CSUM) {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, &reg8);
reg8 ^= SFR_TXCOE_TCPV6 | SFR_TXCOE_UDPV6;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL,
1, 1, &reg8);
}
if (changed & NETIF_F_RXCSUM) {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_RXCOE_CTL, 1, 1, &reg8);
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, &reg8);
}
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, &reg8);
/* Data */
aqc111_write16_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_DATA0,
2, &reg16);
reg8 = SFR_VLAN_CONTROL_WE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_CONTROL,
1, 1, &reg8);
}
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
1, 1, &reg8);
reg8 |= SFR_VLAN_CONTROL_VFE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
} else {
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
1, 1, &reg8);
reg8 &= ~SFR_VLAN_CONTROL_VFE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC,
SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
}
}
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 = dev_get_tstats64,
.ndo_change_mtu = aqc111_change_mtu,
.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;
}
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;
/* 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;
eth_hw_addr_set(dev->net, 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);
dev->net->max_mtu = 16334;
dev->net->netdev_ops = &aqc111_netdev_ops;
dev->net->ethtool_ops = &aqc111_ethtool_ops;
if (usb_device_no_sg_constraint(dev->udev))
dev->can_dma_sg = 1;
dev->net->hw_features |= AQ_SUPPORT_HW_FEATURE;
dev->net->features |= AQ_SUPPORT_FEATURE;
dev->net->vlan_features |= AQ_SUPPORT_VLAN_FEATURE;
netif_set_tso_max_size(dev->net, 65535);
aqc111_read_fw_version(dev, aqc111_data);
aqc111_data->autoneg = AUTONEG_ENABLE;
aqc111_data->advertised_speed = (usb_speed == USB_SPEED_SUPER) ?
SPEED_5000 : SPEED_1000;
return 0;
out:
kfree(aqc111_data);
return ret;
}
static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
u16 reg16;
/* Force bz */
reg16 = SFR_PHYPWR_RSTCTL_BZ;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
2, &reg16);
reg16 = 0;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
2, &reg16);
/* Power down ethernet PHY */
aqc111_data->phy_cfg &= ~AQ_ADV_MASK;
aqc111_data->phy_cfg |= AQ_LOW_POWER;
aqc111_data->phy_cfg &= ~AQ_PHY_POWER_EN;
aqc111_write32_cmd_nopm(dev, AQ_PHY_OPS, 0, 0,
&aqc111_data->phy_cfg);
kfree(aqc111_data);
}
static void aqc111_status(struct usbnet *dev, struct urb *urb)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
u64 *event_data = NULL;
int link = 0;
if (urb->actual_length < sizeof(*event_data))
return;
event_data = urb->transfer_buffer;
le64_to_cpus(event_data);
if (*event_data & AQ_LS_MASK)
link = 1;
else
link = 0;
aqc111_data->link_speed = (*event_data & AQ_SPEED_MASK) >>
AQ_SPEED_SHIFT;
aqc111_data->link = link;
if (netif_carrier_ok(dev->net) != link)
usbnet_defer_kevent(dev, EVENT_LINK_RESET);
}
static void aqc111_configure_rx(struct usbnet *dev,
struct aqc111_data *aqc111_data)
{
enum usb_device_speed usb_speed = dev->udev->speed;
u16 link_speed = 0, usb_host = 0;
u8 buf[5] = { 0 };
u8 queue_num = 0;
u16 reg16 = 0;
u8 reg8 = 0;
buf[0] = 0x00;
buf[1] = 0xF8;
buf[2] = 0x07;
switch (aqc111_data->link_speed) {
case AQ_INT_SPEED_5G:
link_speed = 5000;
reg8 = 0x05;
reg16 = 0x001F;
break;
case AQ_INT_SPEED_2_5G:
link_speed = 2500;
reg16 = 0x003F;
break;
case AQ_INT_SPEED_1G:
link_speed = 1000;
reg16 = 0x009F;
break;
case AQ_INT_SPEED_100M:
link_speed = 100;
queue_num = 1;
reg16 = 0x063F;
buf[1] = 0xFB;
buf[2] = 0x4;
break;
}
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_INTER_PACKET_GAP_0,
1, 1, &reg8);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TX_PAUSE_RESEND_T, 3, 3, buf);
switch (usb_speed) {
case USB_SPEED_SUPER:
usb_host = 3;
break;
case USB_SPEED_HIGH:
usb_host = 2;
break;
case USB_SPEED_FULL:
case USB_SPEED_LOW:
usb_host = 1;
queue_num = 0;
break;
default:
usb_host = 0;
break;
}
if (dev->net->mtu > 12500 && dev->net->mtu <= 16334)
queue_num = 2; /* For Jumbo packet 16KB */
memcpy(buf, &AQC111_BULKIN_SIZE[queue_num], 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 if (dev->net->mtu <= 16334)
reg16 = 0x1A20;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_PAUSE_WATERLVL_LOW,
2, &reg16);
netdev_info(dev->net, "Link Speed %d, USB %d", link_speed, usb_host);
}
static void aqc111_configure_csum_offload(struct usbnet *dev)
{
u8 reg8 = 0;
if (dev->net->features & NETIF_F_RXCSUM) {
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, &reg8);
reg8 = 0;
if (dev->net->features & NETIF_F_IP_CSUM)
reg8 |= SFR_TXCOE_IP | SFR_TXCOE_TCP | SFR_TXCOE_UDP;
if (dev->net->features & NETIF_F_IPV6_CSUM)
reg8 |= SFR_TXCOE_TCPV6 | SFR_TXCOE_UDPV6;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, &reg8);
}
static int aqc111_link_reset(struct usbnet *dev)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
u16 reg16 = 0;
u8 reg8 = 0;
if (aqc111_data->link == 1) { /* Link up */
aqc111_configure_rx(dev, aqc111_data);
/* Vlan Tag Filter */
reg8 = SFR_VLAN_CONTROL_VSO;
if (dev->net->features & NETIF_F_HW_VLAN_CTAG_FILTER)
reg8 |= SFR_VLAN_CONTROL_VFE;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
1, 1, &reg8);
reg8 = 0x0;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BMRX_DMA_CONTROL,
1, 1, &reg8);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BMTX_DMA_CONTROL,
1, 1, &reg8);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_ARC_CTRL, 1, 1, &reg8);
reg16 = SFR_RX_CTL_IPE | SFR_RX_CTL_AB;
aqc111_data->rxctl = reg16;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
reg8 = SFR_RX_PATH_READY;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
1, 1, &reg8);
reg8 = SFR_BULK_OUT_EFF_EN;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
1, 1, &reg8);
reg16 = 0;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
reg16 = SFR_MEDIUM_XGMIIMODE | SFR_MEDIUM_FULL_DUPLEX;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
aqc111_configure_csum_offload(dev);
aqc111_set_rx_mode(dev->net);
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
if (dev->net->mtu > 1500)
reg16 |= SFR_MEDIUM_JUMBO_EN;
reg16 |= SFR_MEDIUM_RECEIVE_EN | SFR_MEDIUM_RXFLOW_CTRLEN |
SFR_MEDIUM_TXFLOW_CTRLEN;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
aqc111_data->rxctl |= SFR_RX_CTL_START;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
2, &aqc111_data->rxctl);
netif_carrier_on(dev->net);
} else {
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
aqc111_data->rxctl &= ~SFR_RX_CTL_START;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
2, &aqc111_data->rxctl);
reg8 = SFR_BULK_OUT_FLUSH_EN | SFR_BULK_OUT_EFF_EN;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
1, 1, &reg8);
reg8 = SFR_BULK_OUT_EFF_EN;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
1, 1, &reg8);
netif_carrier_off(dev->net);
}
return 0;
}
static int aqc111_reset(struct usbnet *dev)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
u8 reg8 = 0;
dev->rx_urb_size = URB_SIZE;
if (usb_device_no_sg_constraint(dev->udev))
dev->can_dma_sg = 1;
dev->net->hw_features |= AQ_SUPPORT_HW_FEATURE;
dev->net->features |= AQ_SUPPORT_FEATURE;
dev->net->vlan_features |= AQ_SUPPORT_VLAN_FEATURE;
/* Power up ethernet PHY */
aqc111_data->phy_cfg = AQ_PHY_POWER_EN;
aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
&aqc111_data->phy_cfg);
/* Set the MAC address */
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_NODE_ID, ETH_ALEN,
ETH_ALEN, dev->net->dev_addr);
reg8 = 0xFF;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK, 1, 1, &reg8);
reg8 = 0x0;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_SWP_CTRL, 1, 1, &reg8);
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_MONITOR_MODE, 1, 1, &reg8);
reg8 &= ~(SFR_MONITOR_MODE_EPHYRW | SFR_MONITOR_MODE_RWLC |
SFR_MONITOR_MODE_RWMP | SFR_MONITOR_MODE_RWWF |
SFR_MONITOR_MODE_RW_FLAG);
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_MONITOR_MODE, 1, 1, &reg8);
netif_carrier_off(dev->net);
/* Phy advertise */
aqc111_set_phy_speed(dev, aqc111_data->autoneg,
aqc111_data->advertised_speed);
return 0;
}
static int aqc111_stop(struct usbnet *dev)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
u16 reg16 = 0;
aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
reg16 = 0;
aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
/* Put PHY to low power*/
aqc111_data->phy_cfg |= AQ_LOW_POWER;
aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
&aqc111_data->phy_cfg);
netif_carrier_off(dev->net);
return 0;
}
static void aqc111_rx_checksum(struct sk_buff *skb, u64 pkt_desc)
{
u32 pkt_type = 0;
skb->ip_summed = CHECKSUM_NONE;
/* checksum error bit is set */
if (pkt_desc & AQ_RX_PD_L4_ERR || pkt_desc & AQ_RX_PD_L3_ERR)
return;
pkt_type = pkt_desc & AQ_RX_PD_L4_TYPE_MASK;
/* It must be a TCP or UDP packet with a valid checksum */
if (pkt_type == AQ_RX_PD_L4_TCP || pkt_type == AQ_RX_PD_L4_UDP)
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
static int aqc111_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
struct aqc111_data *aqc111_data = dev->driver_priv;
struct sk_buff *new_skb = NULL;
u32 pkt_total_offset = 0;
u64 *pkt_desc_ptr = NULL;
u32 start_of_descs = 0;
u32 desc_offset = 0; /*RX Header Offset*/
u16 pkt_count = 0;
u64 desc_hdr = 0;
u16 vlan_tag = 0;
u32 skb_len = 0;
if (!skb)
goto err;
if (skb->len == 0)
goto err;
skb_len = skb->len;
/* RX Descriptor Header */
skb_trim(skb, skb->len - sizeof(desc_hdr));
desc_hdr = le64_to_cpup((u64 *)skb_tail_pointer(skb));
/* Check these packets */
desc_offset = (desc_hdr & AQ_RX_DH_DESC_OFFSET_MASK) >>
AQ_RX_DH_DESC_OFFSET_SHIFT;
pkt_count = desc_hdr & AQ_RX_DH_PKT_CNT_MASK;
start_of_descs = skb_len - ((pkt_count + 1) * sizeof(desc_hdr));
/* self check descs position */
if (start_of_descs != desc_offset)
goto err;
/* self check desc_offset from header and make sure that the
* bounds of the metadata array are inside the SKB
*/
if (pkt_count * 2 + desc_offset >= skb_len)
goto err;
/* Packets must not overlap the metadata array */
skb_trim(skb, desc_offset);
if (pkt_count == 0)
goto err;
/* Get the first RX packet descriptor */
pkt_desc_ptr = (u64 *)(skb->data + desc_offset);
while (pkt_count--) {
u64 pkt_desc = le64_to_cpup(pkt_desc_ptr);
u32 pkt_len_with_padd = 0;
u32 pkt_len = 0;
pkt_len = (u32)((pkt_desc & AQ_RX_PD_LEN_MASK) >>
AQ_RX_PD_LEN_SHIFT);
pkt_len_with_padd = ((pkt_len + 7) & 0x7FFF8);
pkt_total_offset += pkt_len_with_padd;
if (pkt_total_offset > desc_offset ||
(pkt_count == 0 && pkt_total_offset != desc_offset)) {
goto err;
}
if (pkt_desc & AQ_RX_PD_DROP ||
!(pkt_desc & AQ_RX_PD_RX_OK) ||
pkt_len > (dev->hard_mtu + AQ_RX_HW_PAD)) {
skb_pull(skb, pkt_len_with_padd);
/* Next RX Packet Descriptor */
pkt_desc_ptr++;
continue;
}
/* Clone SKB */
new_skb = skb_clone(skb, GFP_ATOMIC);
if (!new_skb)
goto err;
new_skb->len = pkt_len;
skb_pull(new_skb, AQ_RX_HW_PAD);
skb_set_tail_pointer(new_skb, new_skb->len);
new_skb->truesize = SKB_TRUESIZE(new_skb->len);
if (aqc111_data->rx_checksum)
aqc111_rx_checksum(new_skb, pkt_desc);
if (pkt_desc & AQ_RX_PD_VLAN) {
vlan_tag = pkt_desc >> AQ_RX_PD_VLAN_SHIFT;
__vlan_hwaccel_put_tag(new_skb, htons(ETH_P_8021Q),
vlan_tag & VLAN_VID_MASK);
}
usbnet_skb_return(dev, new_skb);
if (pkt_count == 0)
break;
skb_pull(skb, pkt_len_with_padd);
/* Next RX Packet Header */
pkt_desc_ptr++;
new_skb = NULL;
}
return 1;
err:
return 0;
}
static struct sk_buff *aqc111_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags)
{
int frame_size = dev->maxpacket;
struct sk_buff *new_skb = NULL;
u64 *tx_desc_ptr = NULL;
int padding_size = 0;
int headroom = 0;
int tailroom = 0;
u64 tx_desc = 0;
u16 tci = 0;
/*Length of actual data*/
tx_desc |= skb->len & AQ_TX_DESC_LEN_MASK;
/* TSO MSS */
tx_desc |= ((u64)(skb_shinfo(skb)->gso_size & AQ_TX_DESC_MSS_MASK)) <<
AQ_TX_DESC_MSS_SHIFT;
headroom = (skb->len + sizeof(tx_desc)) % 8;
if (headroom != 0)
padding_size = 8 - headroom;
if (((skb->len + sizeof(tx_desc) + padding_size) % frame_size) == 0) {
padding_size += 8;
tx_desc |= AQ_TX_DESC_DROP_PADD;
}
/* Vlan Tag */
if (vlan_get_tag(skb, &tci) >= 0) {
tx_desc |= AQ_TX_DESC_VLAN;
tx_desc |= ((u64)tci & AQ_TX_DESC_VLAN_MASK) <<
AQ_TX_DESC_VLAN_SHIFT;
}
if (!dev->can_dma_sg && (dev->net->features & NETIF_F_SG) &&
skb_linearize(skb))
return NULL;
headroom = skb_headroom(skb);
tailroom = skb_tailroom(skb);
if (!(headroom >= sizeof(tx_desc) && tailroom >= padding_size)) {
new_skb = skb_copy_expand(skb, sizeof(tx_desc),
padding_size, flags);
dev_kfree_skb_any(skb);
skb = new_skb;
if (!skb)
return NULL;
}
if (padding_size != 0)
skb_put_zero(skb, padding_size);
/* Copy TX header */
tx_desc_ptr = skb_push(skb, sizeof(tx_desc));
*tx_desc_ptr = cpu_to_le64(tx_desc);
usbnet_set_skb_tx_stats(skb, 1, 0);
return skb;
}
static const struct driver_info aqc111_info = {
.description = "Aquantia AQtion USB to 5GbE Controller",
.bind = aqc111_bind,
.unbind = aqc111_unbind,
.status = aqc111_status,
.link_reset = aqc111_link_reset,
.reset = aqc111_reset,
.stop = aqc111_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX |
FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
.rx_fixup = aqc111_rx_fixup,
.tx_fixup = aqc111_tx_fixup,
};
#define ASIX111_DESC \
"ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter"
static const struct driver_info asix111_info = {
.description = ASIX111_DESC,
.bind = aqc111_bind,
.unbind = aqc111_unbind,
.status = aqc111_status,
.link_reset = aqc111_link_reset,
.reset = aqc111_reset,
.stop = aqc111_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX |
FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
.rx_fixup = aqc111_rx_fixup,
.tx_fixup = aqc111_tx_fixup,
};
#undef ASIX111_DESC
#define ASIX112_DESC \
"ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter"
static const struct driver_info asix112_info = {
.description = ASIX112_DESC,
.bind = aqc111_bind,
.unbind = aqc111_unbind,
.status = aqc111_status,
.link_reset = aqc111_link_reset,
.reset = aqc111_reset,
.stop = aqc111_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX |
FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
.rx_fixup = aqc111_rx_fixup,
.tx_fixup = aqc111_tx_fixup,
};
#undef ASIX112_DESC
static const struct driver_info trendnet_info = {
.description = "USB-C 3.1 to 5GBASE-T Ethernet Adapter",
.bind = aqc111_bind,
.unbind = aqc111_unbind,
.status = aqc111_status,
.link_reset = aqc111_link_reset,
.reset = aqc111_reset,
.stop = aqc111_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX |
FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
.rx_fixup = aqc111_rx_fixup,
.tx_fixup = aqc111_tx_fixup,
};
static const struct driver_info qnap_info = {
.description = "QNAP QNA-UC5G1T USB to 5GbE Adapter",
.bind = aqc111_bind,
.unbind = aqc111_unbind,
.status = aqc111_status,
.link_reset = aqc111_link_reset,
.reset = aqc111_reset,
.stop = aqc111_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX |
FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
.rx_fixup = aqc111_rx_fixup,
.tx_fixup = aqc111_tx_fixup,
};
static int aqc111_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct aqc111_data *aqc111_data = dev->driver_priv;
u16 temp_rx_ctrl = 0x00;
u16 reg16;
u8 reg8;
usbnet_suspend(intf, message);
aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
temp_rx_ctrl = reg16;
/* Stop RX operations*/
reg16 &= ~SFR_RX_CTL_START;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
/* Force bz */
aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
2, &reg16);
reg16 |= SFR_PHYPWR_RSTCTL_BZ;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
2, &reg16);
reg8 = SFR_BULK_OUT_EFF_EN;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
1, 1, &reg8);
temp_rx_ctrl &= ~(SFR_RX_CTL_START | SFR_RX_CTL_RF_WAK |
SFR_RX_CTL_AP | SFR_RX_CTL_AM);
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
2, &temp_rx_ctrl);
reg8 = 0x00;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
1, 1, &reg8);
if (aqc111_data->wol_flags) {
struct aqc111_wol_cfg wol_cfg;
memset(&wol_cfg, 0, sizeof(struct aqc111_wol_cfg));
aqc111_data->phy_cfg |= AQ_WOL;
ether_addr_copy(wol_cfg.hw_addr, dev->net->dev_addr);
wol_cfg.flags = aqc111_data->wol_flags;
temp_rx_ctrl |= (SFR_RX_CTL_AB | SFR_RX_CTL_START);
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
2, &temp_rx_ctrl);
reg8 = 0x00;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK,
1, 1, &reg8);
reg8 = SFR_BMRX_DMA_EN;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BMRX_DMA_CONTROL,
1, 1, &reg8);
reg8 = SFR_RX_PATH_READY;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
1, 1, &reg8);
reg8 = 0x07;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QCTRL,
1, 1, &reg8);
reg8 = 0x00;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC,
SFR_RX_BULKIN_QTIMR_LOW, 1, 1, &reg8);
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC,
SFR_RX_BULKIN_QTIMR_HIGH, 1, 1, &reg8);
reg8 = 0xFF;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QSIZE,
1, 1, &reg8);
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QIFG,
1, 1, &reg8);
aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC,
SFR_MEDIUM_STATUS_MODE, 2, &reg16);
reg16 |= SFR_MEDIUM_RECEIVE_EN;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC,
SFR_MEDIUM_STATUS_MODE, 2, &reg16);
aqc111_write_cmd(dev, AQ_WOL_CFG, 0, 0,
WOL_CFG_SIZE, &wol_cfg);
aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
&aqc111_data->phy_cfg);
} else {
aqc111_data->phy_cfg |= AQ_LOW_POWER;
aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
&aqc111_data->phy_cfg);
/* Disable RX path */
aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC,
SFR_MEDIUM_STATUS_MODE, 2, &reg16);
reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC,
SFR_MEDIUM_STATUS_MODE, 2, &reg16);
}
return 0;
}
static int aqc111_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct aqc111_data *aqc111_data = dev->driver_priv;
u16 reg16;
u8 reg8;
netif_carrier_off(dev->net);
/* Power up ethernet PHY */
aqc111_data->phy_cfg |= AQ_PHY_POWER_EN;
aqc111_data->phy_cfg &= ~AQ_LOW_POWER;
aqc111_data->phy_cfg &= ~AQ_WOL;
reg8 = 0xFF;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK,
1, 1, &reg8);
/* Configure RX control register => start operation */
reg16 = aqc111_data->rxctl;
reg16 &= ~SFR_RX_CTL_START;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
reg16 |= SFR_RX_CTL_START;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
aqc111_set_phy_speed(dev, aqc111_data->autoneg,
aqc111_data->advertised_speed);
aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
reg16 |= SFR_MEDIUM_RECEIVE_EN;
aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, &reg16);
reg8 = SFR_RX_PATH_READY;
aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
1, 1, &reg8);
reg8 = 0x0;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BMRX_DMA_CONTROL, 1, 1, &reg8);
return usbnet_resume(intf);
}
#define AQC111_USB_ETH_DEV(vid, pid, table) \
USB_DEVICE_INTERFACE_CLASS((vid), (pid), USB_CLASS_VENDOR_SPEC), \
.driver_info = (unsigned long)&(table) \
}, \
{ \
USB_DEVICE_AND_INTERFACE_INFO((vid), (pid), \
USB_CLASS_COMM, \
USB_CDC_SUBCLASS_ETHERNET, \
USB_CDC_PROTO_NONE), \
.driver_info = (unsigned long)&(table),
static const struct usb_device_id products[] = {
{AQC111_USB_ETH_DEV(0x2eca, 0xc101, aqc111_info)},
{AQC111_USB_ETH_DEV(0x0b95, 0x2790, asix111_info)},
{AQC111_USB_ETH_DEV(0x0b95, 0x2791, asix112_info)},
{AQC111_USB_ETH_DEV(0x20f4, 0xe05a, trendnet_info)},
{AQC111_USB_ETH_DEV(0x1c04, 0x0015, qnap_info)},
{ },/* END */
};
MODULE_DEVICE_TABLE(usb, products);
static struct usb_driver aq_driver = {
.name = "aqc111",
.id_table = products,
.probe = usbnet_probe,
.suspend = aqc111_suspend,
.resume = aqc111_resume,
.disconnect = usbnet_disconnect,
};
module_usb_driver(aq_driver);
MODULE_DESCRIPTION("Aquantia AQtion USB to 5/2.5GbE Controllers");
MODULE_LICENSE("GPL");