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asix.c
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asix.c
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/*
* ASIX AX8817X based USB 2.0 Ethernet Devices
* Copyright (C) 2003-2005 David Hollis <[email protected]>
* Copyright (C) 2005 Phil Chang <[email protected]>
* 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 "axusbnet.c"
#include "asix.h"
#define DRV_VERSION "4.11.0"
static char version[] =
KERN_INFO "ASIX USB Ethernet Adapter:v" DRV_VERSION
" " __TIME__ " " __DATE__ "\n"
" http://www.asix.com.tw\n";
/* configuration of maximum bulk in size */
static int bsize = AX88772B_MAX_BULKIN_16K;
module_param(bsize, int, 0);
MODULE_PARM_DESC(bsize, "Maximum transfer size per bulk");
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
static void ax88772b_link_reset(void *data);
static void ax88772a_link_reset(void *data);
static void ax88772_link_reset(void *data);
#else
static void ax88772b_link_reset(struct work_struct *work);
static void ax88772a_link_reset(struct work_struct *work);
static void ax88772_link_reset(struct work_struct *work);
#endif
static int ax88772a_phy_powerup(struct usbnet *dev);
static void ax8817x_mdio_write_le(struct net_device *netdev, int phy_id,
int loc, int val);
static int ax8817x_mdio_read_le(struct net_device *netdev, int phy_id, int loc);
static int ax88772b_set_csums(struct usbnet *dev);
/* ASIX AX8817X based USB 2.0 Ethernet Devices */
static int ax8817x_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
return 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);
}
static int ax8817x_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
return 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);
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
static void ax8817x_async_cmd_callback(struct urb *urb, struct pt_regs *regs)
#else
static void ax8817x_async_cmd_callback(struct urb *urb)
#endif
{
struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
if (urb->status < 0)
printk(KERN_DEBUG "ax8817x_async_cmd_callback() failed with %d",
urb->status);
kfree(req);
usb_free_urb(urb);
}
static int ax8817x_set_mac_addr(struct net_device *net, void *p)
{
struct usbnet *dev = netdev_priv(net);
struct sockaddr *addr = p;
memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
/* Set the MAC address */
return ax8817x_write_cmd(dev, AX88772_CMD_WRITE_NODE_ID,
0, 0, ETH_ALEN, net->dev_addr);
}
static void ax88178_status(struct usbnet *dev, struct urb *urb)
{
struct ax88172_int_data *event;
struct ax88178_data *ax178dataptr = (struct ax88178_data *)dev->priv;
int link;
if (urb->actual_length < 8)
return;
if (ax178dataptr->EepromData == PHY_MODE_MAC_TO_MAC_GMII)
return;
event = urb->transfer_buffer;
link = event->link & 0x01;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
axusbnet_defer_kevent(dev, EVENT_LINK_RESET);
} else
netif_carrier_off(dev->net);
devwarn(dev, "ax88178 - Link status is: %d", link);
}
}
static void ax8817x_status(struct usbnet *dev, struct urb *urb)
{
struct ax88172_int_data *event;
int link;
if (urb->actual_length < 8)
return;
event = urb->transfer_buffer;
link = event->link & 0x01;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
axusbnet_defer_kevent(dev, EVENT_LINK_RESET);
} else
netif_carrier_off(dev->net);
devwarn(dev, "ax8817x - Link status is: %d", link);
}
}
static void ax88772_status(struct usbnet *dev, struct urb *urb)
{
struct ax88172_int_data *event;
struct ax88772_data *ax772_data = (struct ax88772_data *)dev->priv;
int link;
if (urb->actual_length < 8)
return;
event = urb->transfer_buffer;
link = event->link & 0x01;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
ax772_data->Event = AX_SET_RX_CFG;
} else {
netif_carrier_off(dev->net);
if (ax772_data->Event == AX_NOP) {
ax772_data->Event = PHY_POWER_DOWN;
ax772_data->TickToExpire = 25;
}
}
devwarn(dev, "ax88772 - Link status is: %d", link);
}
if (ax772_data->Event)
queue_work(ax772_data->ax_work, &ax772_data->check_link);
}
static void ax88772a_status(struct usbnet *dev, struct urb *urb)
{
struct ax88172_int_data *event;
struct ax88772a_data *ax772a_data = (struct ax88772a_data *)dev->priv;
int link;
int powsave = (ax772a_data->EepromData >> 14);
if (urb->actual_length < 8)
return;
event = urb->transfer_buffer;
link = event->link & 0x01;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
ax772a_data->Event = AX_SET_RX_CFG;
} else if ((powsave == 0x3) || (powsave == 0x1)) {
netif_carrier_off(dev->net);
if (ax772a_data->Event == AX_NOP) {
ax772a_data->Event = CHK_CABLE_EXIST;
ax772a_data->TickToExpire = 14;
}
} else {
netif_carrier_off(dev->net);
ax772a_data->Event = AX_NOP;
}
devwarn(dev, "ax88772a - Link status is: %d", link);
}
if (ax772a_data->Event)
queue_work(ax772a_data->ax_work, &ax772a_data->check_link);
}
static int ax88772b_stop(struct usbnet *dev)
{
u16 *medium;
medium = kmalloc(2, GFP_ATOMIC);
if (medium) {
ax8817x_read_cmd(dev, AX_CMD_READ_MEDIUM_MODE, 0, 0, 2, medium);
ax8817x_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE,
(*medium & ~AX88772_MEDIUM_RX_ENABLE),
0, 0, NULL);
kfree(medium);
return 0;
}
return -EINVAL;
}
static int ax88772b_reset(struct usbnet *dev)
{
int ret, i;
void *buf;
buf = kmalloc(6, GFP_KERNEL);
if (!buf) {
deverr(dev, "Cannot allocate memory for buffer");
return -ENOMEM;
}
memset(buf, 0, ETH_ALEN);
for (i = 0; i < (ETH_ALEN >> 1); i++) {
ret = ax8817x_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
0, 2, (buf + i * 2));
if (ret < 0)
deverr(dev, "read SROM address 04h failed: %d", ret);
}
memcpy(dev->net->dev_addr, buf, ETH_ALEN);
/* Set the MAC address */
ret = ax8817x_write_cmd(dev, AX88772_CMD_WRITE_NODE_ID,
0, 0, ETH_ALEN, buf);
if (ret < 0)
deverr(dev, "set MAC address failed: %d", ret);
/* stop MAC operation */
ret = ax8817x_write_cmd(dev, AX_CMD_WRITE_RX_CTL, AX_RX_CTL_STOP,
0, 0, NULL);
if (ret < 0)
deverr(dev, "Reset RX_CTL failed: %d", ret);
ret = ax8817x_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE,
AX88772_MEDIUM_DEFAULT, 0, 0,
NULL);
if (ret < 0)
deverr(dev, "Write medium mode register: %d", ret);
kfree(buf);
return ret;
}
static void ax88772b_status(struct usbnet *dev, struct urb *urb)
{
struct ax88772b_data *ax772b_data = (struct ax88772b_data *)dev->priv;
struct ax88172_int_data *event;
int link;
if (urb->actual_length < 8)
return;
if (ax772b_data->OperationMode == OPERATION_PHY_MODE)
return;
event = urb->transfer_buffer;
if (ax772b_data->PhySelect == 0 &&
ax772b_data->OperationMode == OPERATION_MAC_MODE)
link = (event->link & AX_INT_SPLS_LINK) >> 1;
else
link = event->link & AX_INT_PPLS_LINK;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
ax772b_data->Event = AX_SET_RX_CFG;
} else {
netif_carrier_off(dev->net);
ax772b_data->time_to_chk = jiffies;
}
devwarn(dev, "ax88772b - Link status is: %d", link);
}
if (!link) {
int no_cable = (event->link & AX_INT_CABOFF_UNPLUG) ? 1 : 0;
if (no_cable) {
if ((ax772b_data->psc &
(AX_SWRESET_IPPSL_0 | AX_SWRESET_IPPSL_1)) &&
!ax772b_data->pw_enabled) {
/*
* AX88772B already entered power saving state
*/
ax772b_data->pw_enabled = 1;
}
if (ax772b_data->psc & AX_SWRESET_AUTODETACH)
ax772b_data->Event = AX_CHK_AUTODETACH;
} else {
/* AX88772B resumed from power saving state */
if (ax772b_data->pw_enabled ||
(jiffies > (ax772b_data->time_to_chk +
AX88772B_WATCHDOG))) {
if (ax772b_data->pw_enabled)
ax772b_data->pw_enabled = 0;
ax772b_data->Event = PHY_POWER_UP;
ax772b_data->time_to_chk = jiffies;
}
}
}
if (ax772b_data->Event)
queue_work(ax772b_data->ax_work, &ax772b_data->check_link);
}
static void ax88772c_status(struct usbnet *dev, struct urb *urb)
{
struct ax88772b_data *ax772b_data = (struct ax88772b_data *)dev->priv;
struct ax88172_int_data *event;
int link;
if (urb->actual_length < 8)
return;
if (ax772b_data->OperationMode == OPERATION_PHY_MODE)
return;
event = urb->transfer_buffer;
if (ax772b_data->PhySelect == 0 &&
ax772b_data->OperationMode == OPERATION_MAC_MODE)
link = (event->link & AX_INT_SPLS_LINK) >> 1;
else
link = event->link & AX_INT_PPLS_LINK;
if (netif_carrier_ok(dev->net) != link) {
if (link) {
netif_carrier_on(dev->net);
ax772b_data->Event = AX_SET_RX_CFG;
} else {
netif_carrier_off(dev->net);
ax772b_data->time_to_chk = jiffies;
}
devwarn(dev, "ax88772c - Link status is: %d", link);
}
if (!link) {
int no_cable = (event->link & AX_INT_CABOFF_UNPLUG) ? 1 : 0;
if (no_cable) {
if ((ax772b_data->psc &
(AX_SWRESET_IPPSL_0 | AX_SWRESET_IPPSL_1)) &&
!ax772b_data->pw_enabled) {
/*
* AX88772B already entered power saving state
*/
ax772b_data->pw_enabled = 1;
}
if (ax772b_data->psc & AX_SWRESET_AUTODETACH)
ax772b_data->Event = AX_CHK_AUTODETACH;
} else {
/* AX88772B resumed from power saving state */
if (ax772b_data->pw_enabled ||
(jiffies > (ax772b_data->time_to_chk +
AX88772B_WATCHDOG))) {
if (ax772b_data->pw_enabled)
ax772b_data->pw_enabled = 0;
ax772b_data->Event = PHY_POWER_UP;
ax772b_data->time_to_chk = jiffies;
}
}
}
if (ax772b_data->Event)
queue_work(ax772b_data->ax_work, &ax772b_data->check_link);
}
void
ax8817x_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data)
{
struct usb_ctrlrequest *req;
int status;
struct urb *urb;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (urb == NULL) {
deverr(dev, "Error allocating URB in write_cmd_async!");
return;
}
req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
if (req == NULL) {
deverr(dev, "Failed to allocate memory for control request");
usb_free_urb(urb);
return;
}
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, data, size,
ax8817x_async_cmd_callback, req);
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status < 0) {
deverr(dev, "Error submitting the control message: status=%d",
status);
kfree(req);
usb_free_urb(urb);
}
}
static void ax8817x_set_multicast(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct ax8817x_data *data = (struct ax8817x_data *)&dev->data;
u8 rx_ctl = AX_RX_CTL_START | AX_RX_CTL_AB;
int mc_count;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
mc_count = net->mc_count;
#else
mc_count = netdev_mc_count(net);
#endif
if (net->flags & IFF_PROMISC) {
rx_ctl |= AX_RX_CTL_PRO;
} else if (net->flags & IFF_ALLMULTI
|| mc_count > AX_MAX_MCAST) {
rx_ctl |= 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;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
struct dev_mc_list *mc_list = net->mc_list;
int i;
memset(data->multi_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;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
mc_list = mc_list->next;
}
#else
struct netdev_hw_addr *ha;
memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
}
#endif
ax8817x_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
AX_MCAST_FILTER_SIZE, data->multi_filter);
rx_ctl |= AX_RX_CTL_AM;
}
ax8817x_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
}
static void ax88178_set_multicast(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct ax8817x_data *data = (struct ax8817x_data *)&dev->data;
u16 rx_ctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_MFB);
int mc_count;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
mc_count = net->mc_count;
#else
mc_count = netdev_mc_count(net);
#endif
if (net->flags & IFF_PROMISC) {
rx_ctl |= AX_RX_CTL_PRO;
} else if (net->flags & IFF_ALLMULTI
|| mc_count > AX_MAX_MCAST) {
rx_ctl |= 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;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
struct dev_mc_list *mc_list = net->mc_list;
int i;
memset(data->multi_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;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
mc_list = mc_list->next;
}
#else
struct netdev_hw_addr *ha;
memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
}
#endif
ax8817x_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
AX_MCAST_FILTER_SIZE, data->multi_filter);
rx_ctl |= AX_RX_CTL_AM;
}
ax8817x_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
}
static void ax88772b_set_multicast(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct ax8817x_data *data = (struct ax8817x_data *)&dev->data;
u16 rx_ctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_HEADER_DEFAULT);
int mc_count;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
mc_count = net->mc_count;
#else
mc_count = netdev_mc_count(net);
#endif
if (net->flags & IFF_PROMISC) {
rx_ctl |= AX_RX_CTL_PRO;
} else if (net->flags & IFF_ALLMULTI
|| mc_count > AX_MAX_MCAST) {
rx_ctl |= 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;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
struct dev_mc_list *mc_list = net->mc_list;
int i;
memset(data->multi_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;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
mc_list = mc_list->next;
}
#else
struct netdev_hw_addr *ha;
memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
}
#endif
ax8817x_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
AX_MCAST_FILTER_SIZE, data->multi_filter);
rx_ctl |= AX_RX_CTL_AM;
}
ax8817x_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
}
static int ax8817x_mdio_read(struct net_device *netdev, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(netdev);
u16 *res;
u16 ret;
res = kmalloc(2, GFP_ATOMIC);
if (!res)
return 0;
ax8817x_write_cmd(dev, AX_CMD_SET_SW_MII, 0, 0, 0, NULL);
ax8817x_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, res);
ax8817x_write_cmd(dev, AX_CMD_SET_HW_MII, 0, 0, 0, NULL);
ret = *res & 0xffff;
kfree(res);
return ret;
}
static int
ax8817x_swmii_mdio_read(struct net_device *netdev, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(netdev);
u16 *res;
u16 ret;
res = kmalloc(2, GFP_ATOMIC);
if (!res)
return 0;
ax8817x_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
(__u16)loc, 2, res);
ret = *res & 0xffff;
kfree(res);
return ret;
}
/* same as above, but converts resulting value to cpu byte order */
static int ax8817x_mdio_read_le(struct net_device *netdev, int phy_id, int loc)
{
return le16_to_cpu(ax8817x_mdio_read(netdev, phy_id, loc));
}
static int
ax8817x_swmii_mdio_read_le(struct net_device *netdev, int phy_id, int loc)
{
return le16_to_cpu(ax8817x_swmii_mdio_read(netdev, phy_id, loc));
}
static void
ax8817x_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
{
struct usbnet *dev = netdev_priv(netdev);
u16 *res;
res = kmalloc(2, GFP_ATOMIC);
if (!res)
return;
*res = val;
ax8817x_write_cmd(dev, AX_CMD_SET_SW_MII, 0, 0, 0, NULL);
ax8817x_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id,
(__u16)loc, 2, res);
ax8817x_write_cmd(dev, AX_CMD_SET_HW_MII, 0, 0, 0, NULL);
kfree(res);
}
static void ax8817x_swmii_mdio_write(struct net_device *netdev, int phy_id,
int loc, int val)
{
struct usbnet *dev = netdev_priv(netdev);
u16 *res;
res = kmalloc(2, GFP_ATOMIC);
if (!res)
return;
*res = val;
ax8817x_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id,
(__u16)loc, 2, res);
kfree(res);
}
static void
ax88772b_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
{
struct usbnet *dev = netdev_priv(netdev);
u16 *res;
res = kmalloc(2, GFP_ATOMIC);
if (!res)
return;
*res = val;
ax8817x_write_cmd(dev, AX_CMD_SET_SW_MII, 0, 0, 0, NULL);
ax8817x_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id,
(__u16)loc, 2, res);
if (loc == MII_ADVERTISE) {
*res = cpu_to_le16(BMCR_ANENABLE | BMCR_ANRESTART);
ax8817x_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id,
(__u16)MII_BMCR, 2, res);
}
ax8817x_write_cmd(dev, AX_CMD_SET_HW_MII, 0, 0, 0, NULL);
kfree(res);
}
/* same as above, but converts new value to le16 byte order before writing */
static void
ax8817x_mdio_write_le(struct net_device *netdev, int phy_id, int loc, int val)
{
ax8817x_mdio_write(netdev, phy_id, loc, cpu_to_le16(val));
}
static void ax8817x_swmii_mdio_write_le(struct net_device *netdev,
int phy_id, int loc, int val)
{
ax8817x_swmii_mdio_write(netdev, phy_id, loc, cpu_to_le16(val));
}
static void
ax88772b_mdio_write_le(struct net_device *netdev, int phy_id, int loc, int val)
{
ax88772b_mdio_write(netdev, phy_id, loc, cpu_to_le16(val));
}
static int ax88772_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 *medium;
medium = kmalloc(2, GFP_ATOMIC);
if (!medium)
return axusbnet_suspend(intf, message);
ax8817x_read_cmd(dev, AX_CMD_READ_MEDIUM_MODE, 0, 0, 2, medium);
ax8817x_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE,
(*medium & ~AX88772_MEDIUM_RX_ENABLE), 0, 0, NULL);
kfree(medium);
return axusbnet_suspend(intf, message);
}
static int ax88772b_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);
struct ax88772b_data *ax772b_data = (struct ax88772b_data *)dev->priv;
u16 *tmp16;
u8 *opt;
// u32 tmp32;
tmp16 = kmalloc(2, GFP_ATOMIC);
if (!tmp16)
return axusbnet_suspend(intf, message);
opt = (u8 *)tmp16;
#if 0
/* Read Wake-up Frame Array Register (Mask Wakeup Timer) */
ax8817x_read_cmd(dev, AX_CMD_READ_WKFARY, 0x0b, 0, 4, &tmp32);
tmp32 &= 0xFFF0FFFF;
/* 8 second */
tmp32 |= 0xFFF2FFFF;
ax8817x_write_cmd(dev, AX_CMD_WRITE_WKFARY, 0x0b, 0, 4, &tmp32);
#endif
ax8817x_read_cmd(dev, AX_CMD_READ_MEDIUM_MODE, 0, 0, 2, tmp16);
ax8817x_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE,
(*tmp16 & ~AX88772_MEDIUM_RX_ENABLE),
0, 0, NULL);
ax8817x_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, opt);
if (!(*opt & AX_MONITOR_LINK) && !(*opt & AX_MONITOR_MAGIC)) {
ax8817x_write_cmd(dev, AX_CMD_SW_RESET,
AX_SWRESET_IPRL | AX_SWRESET_IPPD,
0, 0, NULL);
} else {
if (ax772b_data->psc & AX_SWRESET_WOLLP) {
*tmp16 = ax8817x_mdio_read_le(dev->net, dev->mii.phy_id,
MII_BMCR);
ax8817x_mdio_write_le(dev->net, dev->mii.phy_id,
MII_BMCR, *tmp16 | BMCR_ANENABLE);
ax8817x_write_cmd(dev, AX_CMD_SW_RESET,
AX_SWRESET_IPRL | ax772b_data->psc,
0, 0, NULL);
}
if (ax772b_data->psc &
(AX_SWRESET_IPPSL_0 | AX_SWRESET_IPPSL_1)) {
*opt |= AX_MONITOR_LINK;
ax8817x_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE, *opt,
0, 0, NULL);
}
}
kfree(tmp16);
return axusbnet_suspend(intf, message);
}
static int ax88772_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
netif_carrier_off(dev->net);
return axusbnet_resume(intf);
}
static int ax88772b_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct ax88772b_data *ax772b_data = (struct ax88772b_data *)dev->priv;
if (ax772b_data->psc & AX_SWRESET_WOLLP) {
ax8817x_write_cmd(dev, AX_CMD_SW_RESET,
AX_SWRESET_IPRL | (ax772b_data->psc & 0x7FFF),
0, 0, NULL);
}
if (ax772b_data->psc & (AX_SWRESET_IPPSL_0 | AX_SWRESET_IPPSL_1))
ax88772a_phy_powerup(dev);
netif_carrier_off(dev->net);
if (ax772b_data->OperationMode == OPERATION_PHY_MODE)
netif_carrier_on(dev->net);
return axusbnet_resume(intf);
}
static int ax88172_link_reset(struct usbnet *dev)
{
u16 lpa;
u16 adv;
u16 res;
u8 mode;
mode = AX_MEDIUM_TX_ABORT_ALLOW | AX_MEDIUM_FLOW_CONTROL_EN;
lpa = ax8817x_mdio_read_le(dev->net, dev->mii.phy_id, MII_LPA);
adv = ax8817x_mdio_read_le(dev->net, dev->mii.phy_id, MII_ADVERTISE);
res = mii_nway_result(lpa|adv);
if (res & LPA_DUPLEX)
mode |= AX_MEDIUM_FULL_DUPLEX;
ax8817x_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
return 0;
}
static void
ax8817x_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
u8 *opt;
wolinfo->supported = 0;
wolinfo->wolopts = 0;
opt = kmalloc(1, GFP_KERNEL);
if (!opt)
return;
if (ax8817x_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, opt) < 0) {
kfree(opt);
return;
}
wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
if (*opt & AX_MONITOR_LINK)
wolinfo->wolopts |= WAKE_PHY;
if (*opt & AX_MONITOR_MAGIC)
wolinfo->wolopts |= WAKE_MAGIC;
kfree(opt);
}
static int
ax8817x_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
u8 *opt;
opt = kmalloc(1, GFP_KERNEL);
if (!opt)
return -ENOMEM;
*opt = 0;
if (wolinfo->wolopts & WAKE_PHY)
*opt |= AX_MONITOR_LINK;
if (wolinfo->wolopts & WAKE_MAGIC)
*opt |= AX_MONITOR_MAGIC;
ax8817x_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE, *opt, 0, 0, NULL);
kfree(opt);
return 0;
}
static int ax8817x_get_eeprom_len(struct net_device *net)
{
return AX_EEPROM_LEN;
}
static int ax8817x_get_eeprom(struct net_device *net,
struct ethtool_eeprom *eeprom, u8 *data)
{
struct usbnet *dev = netdev_priv(net);
u16 *ebuf = (u16 *)data;
int i;
/* Crude hack to ensure that we don't overwrite memory
* if an odd length is supplied
*/
if (eeprom->len % 2)
return -EINVAL;
eeprom->magic = AX_EEPROM_MAGIC;
/* ax8817x returns 2 bytes from eeprom on read */
for (i = 0; i < eeprom->len / 2; i++) {
if (ax8817x_read_cmd(dev, AX_CMD_READ_EEPROM,
eeprom->offset + i, 0, 2,
&ebuf[i]) < 0)
return -EINVAL;
}
return 0;
}
static void ax8817x_get_drvinfo(struct net_device *net,
struct ethtool_drvinfo *info)
{
/* Inherit standard device info */
axusbnet_get_drvinfo(net, info);
info->eedump_len = 0x3e;
}