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ax88179_178a.c
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/*
* ASIX AX88179 based USB 3.0 Ethernet Devices
* Copyright (C) 2015 Geoffrey Tran <geoffrey.tran@gmail.com>
* Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
* 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
*/
/* debug messages, extra info */
/* #define DEBUG */
#include <linux/version.h>
/*#include <linux/config.h>*/
#ifdef CONFIG_USB_DEBUG
#define DEBUG
#endif
#include <linux/module.h>
#include <linux/kmod.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/crc32.h>
#include <linux/if_vlan.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)
#include <linux/usb/usbnet.h>
#else
#include <../drivers/usb/net/usbnet.h>
#endif
#include "ax88179_178a.h"
#define DRV_VERSION "1.13.0"
static char version[] =
KERN_INFO "ASIX USB Ethernet Adapter:v" DRV_VERSION
" " __TIME__ " " __DATE__ "\n"
" http://www.asix.com.tw\n";
static int msg_enable;
module_param(msg_enable, int, 0);
MODULE_PARM_DESC(msg_enable, "usbnet msg_enable");
static int bsize = -1;
module_param(bsize, int, 0);
MODULE_PARM_DESC(bsize, "RX Bulk IN Queue Size");
static int ifg = -1;
module_param(ifg, int, 0);
MODULE_PARM_DESC(ifg, "RX Bulk IN Inter Frame Gap");
/* EEE advertisement is disabled in default setting */
static int bEEE = 0;
module_param(bEEE, int, 0);
MODULE_PARM_DESC(bEEE, "EEE advertisement configuration");
/* Green ethernet advertisement is disabled in default setting */
static int bGETH = 0;
module_param(bGETH, int, 0);
MODULE_PARM_DESC(bGETH, "Green ethernet configuration");
/* ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices */
static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data, int in_pm)
{
int ret;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)
int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
BUG_ON(!dev);
if (!in_pm)
fn = usbnet_read_cmd;
else
fn = usbnet_read_cmd_nopm;
ret = fn(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 reg index 0x%04x: %d\n",
index, ret);
#else
ret = usb_control_msg(
dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
cmd,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
data,
size,
USB_CTRL_GET_TIMEOUT);
#endif
return ret;
}
static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data, int in_pm)
{
int ret;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)
int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
BUG_ON(!dev);
if (!in_pm)
fn = usbnet_write_cmd;
else
fn = usbnet_write_cmd_nopm;
ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, value, index, data, size);
if (unlikely(ret < 0))
netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
index, ret);
#else
ret = usb_control_msg(
dev->udev,
usb_sndctrlpipe(dev->udev, 0),
cmd,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
data,
size,
USB_CTRL_SET_TIMEOUT);
#endif
return ret;
}
static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data, int eflag)
{
int ret;
if (eflag && (2 == size)) {
u16 buf = 0;
ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
le16_to_cpus(&buf);
*((u16 *)data) = buf;
} else if (eflag && (4 == size)) {
u32 buf = 0;
ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
le32_to_cpus(&buf);
*((u32 *)data) = buf;
} else {
ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
}
return ret;
}
static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data)
{
int ret;
if (2 == size) {
u16 buf = 0;
buf = *((u16 *)data);
cpu_to_le16s(&buf);
ret = __ax88179_write_cmd(dev, cmd, value, index,
size, &buf, 1);
} else {
ret = __ax88179_write_cmd(dev, cmd, value, index,
size, data, 1);
}
return ret;
}
static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data, int eflag)
{
int ret;
if (eflag && (2 == size)) {
u16 buf = 0;
ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
le16_to_cpus(&buf);
*((u16 *)data) = buf;
} else if (eflag && (4 == size)) {
u32 buf = 0;
ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
le32_to_cpus(&buf);
*((u32 *)data) = buf;
} else {
ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
}
return ret;
}
static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
int ret;
if (2 == size) {
u16 buf = 0;
buf = *((u16 *)data);
cpu_to_le16s(&buf);
ret = __ax88179_write_cmd(dev, cmd, value, index,
size, &buf, 0);
} else {
ret = __ax88179_write_cmd(dev, cmd, value, index,
size, data, 0);
}
return ret;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
static void ax88179_async_cmd_callback(struct urb *urb, struct pt_regs *regs)
#else
static void ax88179_async_cmd_callback(struct urb *urb)
#endif
{
struct ax88179_async_handle *asyncdata = (struct ax88179_async_handle *)urb->context;
if (urb->status < 0)
printk(KERN_ERR "ax88179_async_cmd_callback() failed with %d",
urb->status);
kfree(asyncdata->req);
kfree(asyncdata);
usb_free_urb(urb);
}
static void
ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
struct usb_ctrlrequest *req = NULL;
int status = 0;
struct urb *urb = NULL;
void *buf = NULL;
struct ax88179_async_handle *asyncdata = NULL;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (urb == NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
netdev_err(dev->net, "Error allocating URB in write_cmd_async!");
#else
deverr(dev, "Error allocating URB in write_cmd_async!");
#endif
return;
}
req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
if (req == NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
netdev_err(dev->net, "Failed to allocate memory for control request");
#else
deverr(dev, "Failed to allocate memory for control request");
#endif
usb_free_urb(urb);
return;
}
asyncdata = (struct ax88179_async_handle*)
kmalloc(sizeof(struct ax88179_async_handle), GFP_ATOMIC);
if (asyncdata == NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
netdev_err(dev->net, "Failed to allocate memory for async data");
#else
deverr(dev, "Failed to allocate memory for async data");
#endif
kfree(req);
usb_free_urb(urb);
return;
}
asyncdata->req = req;
if (size == 2) {
asyncdata->rxctl = *((u16 *)data);
cpu_to_le16s(&asyncdata->rxctl);
buf = &asyncdata->rxctl;
} else {
memcpy(asyncdata->m_filter, data, size);
buf = asyncdata->m_filter;
}
req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
req->bRequest = cmd;
req->wValue = cpu_to_le16(value);
req->wIndex = cpu_to_le16(index);
req->wLength = cpu_to_le16(size);
usb_fill_control_urb(urb, dev->udev,
usb_sndctrlpipe(dev->udev, 0),
(void *)req, buf, size,
ax88179_async_cmd_callback, asyncdata);
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status < 0) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
netdev_err(dev->net, "Error submitting the control message: status=%d",
status);
#else
deverr(dev, "Error submitting the control message: status=%d",
status);
#endif
kfree(req);
kfree(asyncdata);
usb_free_urb(urb);
}
}
static void ax88179_status(struct usbnet *dev, struct urb *urb)
{
struct ax88179_int_data *event = NULL;
int link = 0;
if (urb->actual_length < 8)
return;
event = urb->transfer_buffer;
link = event->link & AX_INT_PPLS_LINK;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
usbnet_defer_kevent(dev, EVENT_LINK_RESET);
}
else
netif_carrier_off(dev->net);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
netdev_info(dev->net, "ax88179_178a - Link status is: %d\n",
link);
#else
devinfo(dev, "ax88179_178a - Link status is: %d\n", link);
#endif
}
}
static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(netdev);
u16 res = 0;
ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res, 1);
return res;
}
static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
int val)
{
struct usbnet *dev = netdev_priv(netdev);
u16 res = (u16)val;
ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
}
static int ax88179_suspend(struct usb_interface *intf,
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 10)
pm_message_t message)
#else
u32 message)
#endif
{
struct usbnet *dev = usb_get_intfdata(intf);
u16 tmp16 = 0;
u8 tmp8 = 0;
usbnet_suspend(intf, message);
/* Disable RX path */
ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16, 1);
tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16);
/* Force bz */
ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
2, 2, &tmp16, 1);
tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
2, 2, &tmp16);
/* change clock */
tmp8 = 0;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
/* Configure RX control register => stop operation */
tmp16 = AX_RX_CTL_STOP;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
return 0;
}
static void ax88179_EEE_setting(struct usbnet *dev)
{
u16 tmp16;
if (bEEE) {
// Enable EEE
tmp16 = 0x07;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MACR, 2, &tmp16);
tmp16 = 0x3c;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MAADR, 2, &tmp16);
tmp16 = 0x4007;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MACR, 2, &tmp16);
tmp16 = 0x06;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MAADR, 2, &tmp16);
} else {
// Disable EEE
tmp16 = 0x07;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MACR, 2, &tmp16);
tmp16 = 0x3c;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MAADR, 2, &tmp16);
tmp16 = 0x4007;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MACR, 2, &tmp16);
tmp16 = 0x00;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
GMII_PHY_MAADR, 2, &tmp16);
}
}
static void ax88179_Gether_setting(struct usbnet *dev)
{
u16 tmp16;
if (bGETH) {
// Enable Green Ethernet
tmp16 = 0x03;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, &tmp16);
tmp16 = 0x3247;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
25, 2, &tmp16);
tmp16 = 0x05;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, &tmp16);
tmp16 = 0x0680;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1, 2, &tmp16);
tmp16 = 0;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, &tmp16);
} else {
// Disable Green Ethernet
tmp16 = 0x03;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, &tmp16);
tmp16 = 0x3246;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
25, 2, &tmp16);
tmp16 = 0;
ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
31, 2, &tmp16);
}
}
static int ax88179_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
u16 tmp16 = 0;
u8 tmp8 = 0;
netif_carrier_off(dev->net);
/* Power up ethernet PHY */
tmp16 = 0;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
2, 2, &tmp16);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)
usleep_range(1000, 2000);
#else
msleep(1);
#endif
tmp16 = AX_PHYPWR_RSTCTL_IPRL;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
2, 2, &tmp16);
msleep(200);
/* Ethernet PHY Auto Detach*/
ax88179_AutoDetach(dev, 1);
/* change clock */
ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT,
1, 1, &tmp8, 0);
tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
msleep(100);
/* Configure RX control register => start operation */
tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_START | AX_RX_CTL_AP |
AX_RX_CTL_AMALL | AX_RX_CTL_AB;
if (NET_IP_ALIGN == 0)
tmp16 |= AX_RX_CTL_IPE;
ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
return usbnet_resume(intf);
}
static void
ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
u8 *opt = NULL;
opt = kmalloc(1, GFP_KERNEL);
if (!opt)
return;
if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MODE,
1, 1, opt, 0) < 0) {
wolinfo->supported = 0;
wolinfo->wolopts = 0;
kfree(opt);
return;
}
wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
if (*opt & AX_MONITOR_MODE_RWLC)
wolinfo->wolopts |= WAKE_PHY;
if (*opt & AX_MONITOR_MODE_RWMP)
wolinfo->wolopts |= WAKE_MAGIC;
kfree(opt);
}
static int
ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
u8 *opt = NULL;
opt = kmalloc(1, GFP_KERNEL);
if (!opt)
return -ENOMEM;
*opt = 0;
if (wolinfo->wolopts & WAKE_PHY)
*opt |= AX_MONITOR_MODE_RWLC;
else
*opt &= ~AX_MONITOR_MODE_RWLC;
if (wolinfo->wolopts & WAKE_MAGIC)
*opt |= AX_MONITOR_MODE_RWMP;
else
*opt &= ~AX_MONITOR_MODE_RWMP;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MODE, 1, 1, opt);
kfree(opt);
return 0;
}
static int ax88179_get_eeprom_len(struct net_device *net)
{
return AX_EEPROM_LEN;
}
static int
ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
u8 *data)
{
struct usbnet *dev = netdev_priv(net);
u16 *eeprom_buff = NULL;
int first_word = 0, last_word = 0;
int i = 0;
if (eeprom->len == 0)
return -EINVAL;
eeprom->magic = AX88179_EEPROM_MAGIC;
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
GFP_KERNEL);
if (!eeprom_buff)
return -ENOMEM;
/* ax88179/178A returns 2 bytes from eeprom on read */
for (i = first_word; i <= last_word; i++) {
if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
&(eeprom_buff[i - first_word]), 0) < 0) {
kfree(eeprom_buff);
return -EIO;
}
}
memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
kfree(eeprom_buff);
return 0;
}
static void ax88179_get_drvinfo(struct net_device *net,
struct ethtool_drvinfo *info)
{
/* Inherit standard device info */
usbnet_get_drvinfo(net, info);
info->eedump_len = 0x3e;
}
static int ax88179_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct usbnet *dev = netdev_priv(net);
return mii_ethtool_gset(&dev->mii, cmd);
}
static int ax88179_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct usbnet *dev = netdev_priv(net);
return mii_ethtool_sset(&dev->mii, cmd);
}
static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 28)
static int ax88179_netdev_stop(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
u16 tmp16 = 0;
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16, 1);
tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16);
return 0;
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
static int ax88179_set_csums(struct usbnet *dev)
{
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
u8 checksum = 0;
if (ax179_data->checksum & AX_RX_CHECKSUM)
checksum = AX_RXCOE_DEF_CSUM;
else
checksum = 0;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &checksum);
if (ax179_data->checksum & AX_TX_CHECKSUM)
checksum = AX_TXCOE_DEF_CSUM;
else
checksum = 0;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &checksum);
return 0;
}
static u32 ax88179_get_tx_csum(struct net_device *netdev)
{
struct usbnet *dev = netdev_priv(netdev);
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
return ax179_data->checksum & AX_TX_CHECKSUM;
}
static u32 ax88179_get_rx_csum(struct net_device *netdev)
{
struct usbnet *dev = netdev_priv(netdev);
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
return ax179_data->checksum & AX_RX_CHECKSUM;
}
static int ax88179_set_rx_csum(struct net_device *netdev, u32 val)
{
struct usbnet *dev = netdev_priv(netdev);
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
if (val)
ax179_data->checksum |= AX_RX_CHECKSUM;
else
ax179_data->checksum &= ~AX_RX_CHECKSUM;
return ax88179_set_csums(dev);
}
static int ax88179_set_tx_csum(struct net_device *netdev, u32 val)
{
struct usbnet *dev = netdev_priv(netdev);
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
if (val)
ax179_data->checksum |= AX_TX_CHECKSUM;
else
ax179_data->checksum &= ~AX_TX_CHECKSUM;
ethtool_op_set_tx_csum(netdev, val);
return ax88179_set_csums(dev);
}
static int ax88179_set_tso(struct net_device *netdev, u32 data)
{
if (data)
netdev->features |= NETIF_F_TSO;
else
netdev->features &= ~NETIF_F_TSO;
return 0;
}
#endif
static struct ethtool_ops ax88179_ethtool_ops = {
.get_drvinfo = ax88179_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = ax88179_get_wol,
.set_wol = ax88179_set_wol,
.get_eeprom_len = ax88179_get_eeprom_len,
.get_eeprom = ax88179_get_eeprom,
.get_settings = ax88179_get_settings,
.set_settings = ax88179_set_settings,
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
.set_tx_csum = ax88179_set_tx_csum,
.get_tx_csum = ax88179_get_tx_csum,
.get_rx_csum = ax88179_get_rx_csum,
.set_rx_csum = ax88179_set_rx_csum,
.get_tso = ethtool_op_get_tso,
.set_tso = ax88179_set_tso,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg
#endif
};
static void ax88179_set_multicast(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct ax88179_data *data = (struct ax88179_data *)&dev->data;
u8 *m_filter = ((u8 *)dev->data) + 12;
int mc_count = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
mc_count = net->mc_count;
#else
mc_count = netdev_mc_count(net);
#endif
data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB);
if (NET_IP_ALIGN == 0)
data->rxctl |= AX_RX_CTL_IPE;
if (net->flags & IFF_PROMISC) {
data->rxctl |= AX_RX_CTL_PRO;
} else if (net->flags & IFF_ALLMULTI
|| mc_count > AX_MAX_MCAST) {
data->rxctl |= AX_RX_CTL_AMALL;
} else if (mc_count == 0) {
/* just broadcast and directed */
} else {
/* We use the 20 byte dev->data
* for our 8 byte filter buffer
* to avoid allocating memory that
* is tricky to free later */
u32 crc_bits = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
struct dev_mc_list *mc_list = net->mc_list;
int i = 0;
memset(m_filter, 0, AX_MCAST_FILTER_SIZE);
/* Build the multicast hash filter. */
for (i = 0; i < net->mc_count; i++) {
crc_bits =
ether_crc(ETH_ALEN,
mc_list->dmi_addr) >> 26;
*(m_filter + (crc_bits >> 3)) |=
1 << (crc_bits & 7);
mc_list = mc_list->next;
}
#else
struct netdev_hw_addr *ha = NULL;
memset(m_filter, 0, AX_MCAST_FILTER_SIZE);
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
*(m_filter + (crc_bits >> 3)) |=
1 << (crc_bits & 7);
}
#endif
ax88179_write_cmd_async(dev, AX_ACCESS_MAC,
AX_MULTI_FILTER_ARRY,
AX_MCAST_FILTER_SIZE,
AX_MCAST_FILTER_SIZE, m_filter);
data->rxctl |= AX_RX_CTL_AM;
}
ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
2, 2, &data->rxctl);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)
static int
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)
ax88179_set_features(struct net_device *net, netdev_features_t features)
#else
ax88179_set_features(struct net_device *net, u32 features)
#endif
{
u8 tmp = 0;
struct usbnet *dev = netdev_priv(net);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)
netdev_features_t changed = net->features ^ features;
#else
u32 changed = net->features ^ features;
#endif
if (changed & NETIF_F_IP_CSUM) {
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL,
1, 1, &tmp, 0);
tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
}
if (changed & NETIF_F_IPV6_CSUM) {
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL,
1, 1, &tmp, 0);
tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
}
if (changed & NETIF_F_RXCSUM) {
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL,
1, 1, &tmp, 0);
tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
}
return 0;
}
#endif
static int ax88179_change_mtu(struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
u16 tmp16 = 0;
if (new_mtu <= 0 || new_mtu > 4088)
return -EINVAL;
net->mtu = new_mtu;
dev->hard_mtu = net->mtu + net->hard_header_len;
if (net->mtu > 1500) {
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16, 1);
tmp16 |= AX_MEDIUM_JUMBO_EN;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16);
} else {
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16, 1);
tmp16 &= ~AX_MEDIUM_JUMBO_EN;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, &tmp16);
}
return 0;
}
static int ax88179_set_mac_addr(struct net_device *net, void *p)
{
struct usbnet *dev = netdev_priv(net);
struct sockaddr *addr = p;
if (netif_running(net))
return -EBUSY;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
/* Set the MAC address */
return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
ETH_ALEN, net->dev_addr);
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 29)
static const struct net_device_ops ax88179_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = ax88179_change_mtu,
.ndo_do_ioctl = ax88179_ioctl,
.ndo_set_mac_address = ax88179_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 2, 0)
.ndo_set_multicast_list = ax88179_set_multicast,
#else
.ndo_set_rx_mode = ax88179_set_multicast,
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)
.ndo_set_features = ax88179_set_features,
#endif
};
#endif
static int ax88179_check_eeprom(struct usbnet *dev)
{
u8 i = 0;
u8 buf[2] = {0};
u8 eeprom[20] = {0};
u16 csum = 0, delay = HZ / 10;
unsigned long jtimeout = 0;
/* Read EEPROM content */
for (i = 0 ; i < 6; i++) {
buf[0] = i;
if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1, 1, buf) < 0)
return -EINVAL;
buf[0] = EEP_RD;
if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, buf) < 0)
return -EINVAL;
jtimeout = jiffies + delay;
do {
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1, 1, buf, 0);
if (time_after(jiffies, jtimeout))
return -EINVAL;
} while (buf[0] & EEP_BUSY);
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
2, 2, &eeprom[i * 2], 0);
if ((i == 0) && (eeprom[0] == 0xFF))
return -EINVAL;
}
csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
csum = (csum >> 8) + (csum & 0xff);
if ((csum + eeprom[10]) == 0xff)