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path: root/drivers/net/usb/ax88179_178a.c
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Diffstat (limited to 'drivers/net/usb/ax88179_178a.c')
-rw-r--r--drivers/net/usb/ax88179_178a.c645
1 files changed, 378 insertions, 267 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 93044cf1417a..aff39bf3161d 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -31,6 +31,7 @@
#define AX_ACCESS_PHY 0x02
#define AX_ACCESS_EEPROM 0x04
#define AX_ACCESS_EFUS 0x05
+#define AX_RELOAD_EEPROM_EFUSE 0x06
#define AX_PAUSE_WATERLVL_HIGH 0x54
#define AX_PAUSE_WATERLVL_LOW 0x55
@@ -163,11 +164,15 @@
#define GMII_PHY_PGSEL_PAGE3 0x0003
#define GMII_PHY_PGSEL_PAGE5 0x0005
+static int ax88179_reset(struct usbnet *dev);
+
struct ax88179_data {
u8 eee_enabled;
u8 eee_active;
u16 rxctl;
- u16 reserved;
+ u8 in_pm;
+ u32 wol_supported;
+ u32 wolopts;
};
struct ax88179_int_data {
@@ -184,15 +189,29 @@ static const struct {
{7, 0xcc, 0x4c, 0x18, 8},
};
+static void ax88179_set_pm_mode(struct usbnet *dev, bool pm_mode)
+{
+ struct ax88179_data *ax179_data = dev->driver_priv;
+
+ ax179_data->in_pm = pm_mode;
+}
+
+static int ax88179_in_pm(struct usbnet *dev)
+{
+ struct ax88179_data *ax179_data = dev->driver_priv;
+
+ return ax179_data->in_pm;
+}
+
static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
- u16 size, void *data, int in_pm)
+ u16 size, void *data)
{
int ret;
int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
BUG_ON(!dev);
- if (!in_pm)
+ if (!ax88179_in_pm(dev))
fn = usbnet_read_cmd;
else
fn = usbnet_read_cmd_nopm;
@@ -208,14 +227,14 @@ static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
}
static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
- u16 size, void *data, int in_pm)
+ u16 size, const void *data)
{
int ret;
int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
BUG_ON(!dev);
- if (!in_pm)
+ if (!ax88179_in_pm(dev))
fn = usbnet_write_cmd;
else
fn = usbnet_write_cmd_nopm;
@@ -248,71 +267,30 @@ static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
}
}
-static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
- u16 index, u16 size, void *data)
-{
- int ret;
-
- if (2 == size) {
- u16 buf;
- ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
- le16_to_cpus(&buf);
- *((u16 *)data) = buf;
- } else if (4 == size) {
- u32 buf;
- 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;
- 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 ret;
if (2 == size) {
- u16 buf;
- ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
+ u16 buf = 0;
+ ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
le16_to_cpus(&buf);
*((u16 *)data) = buf;
} else if (4 == size) {
- u32 buf;
- ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
+ u32 buf = 0;
+ ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
le32_to_cpus(&buf);
*((u32 *)data) = buf;
} else {
- ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
+ ret = __ax88179_read_cmd(dev, cmd, value, index, size, data);
}
return ret;
}
static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
- u16 size, void *data)
+ u16 size, const void *data)
{
int ret;
@@ -321,10 +299,10 @@ static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
buf = *((u16 *)data);
cpu_to_le16s(&buf);
ret = __ax88179_write_cmd(dev, cmd, value, index,
- size, &buf, 0);
+ size, &buf);
} else {
ret = __ax88179_write_cmd(dev, cmd, value, index,
- size, data, 0);
+ size, data);
}
return ret;
@@ -424,55 +402,63 @@ ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
+ struct ax88179_data *priv = dev->driver_priv;
u16 tmp16;
u8 tmp8;
+ ax88179_set_pm_mode(dev, true);
+
usbnet_suspend(intf, message);
+ /* Enable WoL */
+ if (priv->wolopts) {
+ ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
+ 1, 1, &tmp8);
+ if (priv->wolopts & WAKE_PHY)
+ tmp8 |= AX_MONITOR_MODE_RWLC;
+ if (priv->wolopts & WAKE_MAGIC)
+ tmp8 |= AX_MONITOR_MODE_RWMP;
+
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
+ 1, 1, &tmp8);
+ }
+
/* Disable RX path */
- ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
- 2, 2, &tmp16);
+ ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
+ 2, 2, &tmp16);
tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
- ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
- 2, 2, &tmp16);
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
+ 2, 2, &tmp16);
/* Force bulk-in zero length */
- ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
- 2, 2, &tmp16);
+ ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
+ 2, 2, &tmp16);
tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
- ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
- 2, 2, &tmp16);
+ ax88179_write_cmd(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);
+ ax88179_write_cmd(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);
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
+
+ ax88179_set_pm_mode(dev, false);
return 0;
}
/* This function is used to enable the autodetach function. */
/* This function is determined by offset 0x43 of EEPROM */
-static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
+static int ax88179_auto_detach(struct usbnet *dev)
{
u16 tmp16;
u8 tmp8;
- int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
- int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *);
-
- if (!in_pm) {
- fnr = ax88179_read_cmd;
- fnw = ax88179_write_cmd;
- } else {
- fnr = ax88179_read_cmd_nopm;
- fnw = ax88179_write_cmd_nopm;
- }
- if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
+ if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
return 0;
if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
@@ -480,13 +466,13 @@ static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
/* Enable Auto Detach bit */
tmp8 = 0;
- fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
+ ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
tmp8 |= AX_CLK_SELECT_ULR;
- fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
- fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
+ ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
tmp16 |= AX_PHYPWR_RSTCTL_AT;
- fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
return 0;
}
@@ -494,35 +480,14 @@ static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
static int ax88179_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
- u16 tmp16;
- u8 tmp8;
- usbnet_link_change(dev, 0, 0);
-
- /* Power up ethernet PHY */
- tmp16 = 0;
- ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
- 2, 2, &tmp16);
- udelay(1000);
+ ax88179_set_pm_mode(dev, true);
- 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_auto_detach(dev, 1);
+ usbnet_link_change(dev, 0, 0);
- /* Enable clock */
- ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
- 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);
+ ax88179_reset(dev);
- /* Configure RX control register => start operation */
- tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
- AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
- ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
+ ax88179_set_pm_mode(dev, false);
return usbnet_resume(intf);
}
@@ -531,40 +496,22 @@ static void
ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
- u8 opt;
+ struct ax88179_data *priv = dev->driver_priv;
- if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
- 1, 1, &opt) < 0) {
- wolinfo->supported = 0;
- wolinfo->wolopts = 0;
- return;
- }
-
- wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
- wolinfo->wolopts = 0;
- if (opt & AX_MONITOR_MODE_RWLC)
- wolinfo->wolopts |= WAKE_PHY;
- if (opt & AX_MONITOR_MODE_RWMP)
- wolinfo->wolopts |= WAKE_MAGIC;
+ wolinfo->supported = priv->wol_supported;
+ wolinfo->wolopts = priv->wolopts;
}
static int
ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
{
struct usbnet *dev = netdev_priv(net);
- u8 opt = 0;
+ struct ax88179_data *priv = dev->driver_priv;
- if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ if (wolinfo->wolopts & ~(priv->wol_supported))
return -EINVAL;
- if (wolinfo->wolopts & WAKE_PHY)
- opt |= AX_MONITOR_MODE_RWLC;
- if (wolinfo->wolopts & WAKE_MAGIC)
- opt |= AX_MONITOR_MODE_RWMP;
-
- if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
- 1, 1, &opt) < 0)
- return -EINVAL;
+ priv->wolopts = wolinfo->wolopts;
return 0;
}
@@ -598,8 +545,7 @@ ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
/* ax88179/178A returns 2 bytes from eeprom on read */
for (i = first_word; i <= last_word; i++) {
ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
- &eeprom_buff[i - first_word],
- 0);
+ &eeprom_buff[i - first_word]);
if (ret < 0) {
kfree(eeprom_buff);
return -EIO;
@@ -611,6 +557,81 @@ ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
return 0;
}
+static int
+ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
+ u8 *data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u16 *eeprom_buff;
+ int first_word;
+ int last_word;
+ int ret;
+ int i;
+
+ netdev_dbg(net, "write EEPROM len %d, offset %d, magic 0x%x\n",
+ eeprom->len, eeprom->offset, eeprom->magic);
+
+ if (eeprom->len == 0)
+ return -EINVAL;
+
+ if (eeprom->magic != AX88179_EEPROM_MAGIC)
+ return -EINVAL;
+
+ first_word = eeprom->offset >> 1;
+ last_word = (eeprom->offset + eeprom->len - 1) >> 1;
+
+ eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
+ GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ /* align data to 16 bit boundaries, read the missing data from
+ the EEPROM */
+ if (eeprom->offset & 1) {
+ ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, first_word, 1, 2,
+ &eeprom_buff[0]);
+ if (ret < 0) {
+ netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", first_word);
+ goto free;
+ }
+ }
+
+ if ((eeprom->offset + eeprom->len) & 1) {
+ ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, last_word, 1, 2,
+ &eeprom_buff[last_word - first_word]);
+ if (ret < 0) {
+ netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", last_word);
+ goto free;
+ }
+ }
+
+ memcpy((u8 *)eeprom_buff + (eeprom->offset & 1), data, eeprom->len);
+
+ for (i = first_word; i <= last_word; i++) {
+ netdev_dbg(net, "write to EEPROM at offset 0x%02x, data 0x%04x\n",
+ i, eeprom_buff[i - first_word]);
+ ret = ax88179_write_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
+ &eeprom_buff[i - first_word]);
+ if (ret < 0) {
+ netdev_err(net, "Failed to write EEPROM at offset 0x%02x.\n", i);
+ goto free;
+ }
+ msleep(20);
+ }
+
+ /* reload EEPROM data */
+ ret = ax88179_write_cmd(dev, AX_RELOAD_EEPROM_EFUSE, 0x0000, 0, 0, NULL);
+ if (ret < 0) {
+ netdev_err(net, "Failed to reload EEPROM data\n");
+ goto free;
+ }
+
+ ret = 0;
+free:
+ kfree(eeprom_buff);
+ return ret;
+}
+
static int ax88179_get_link_ksettings(struct net_device *net,
struct ethtool_link_ksettings *cmd)
{
@@ -669,7 +690,7 @@ ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
static int ax88179_chk_eee(struct usbnet *dev)
{
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
- struct ax88179_data *priv = (struct ax88179_data *)dev->data;
+ struct ax88179_data *priv = dev->driver_priv;
mii_ethtool_gset(&dev->mii, &ecmd);
@@ -772,7 +793,7 @@ static void ax88179_enable_eee(struct usbnet *dev)
static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
{
struct usbnet *dev = netdev_priv(net);
- struct ax88179_data *priv = (struct ax88179_data *)dev->data;
+ struct ax88179_data *priv = dev->driver_priv;
edata->eee_enabled = priv->eee_enabled;
edata->eee_active = priv->eee_active;
@@ -783,8 +804,8 @@ static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
{
struct usbnet *dev = netdev_priv(net);
- struct ax88179_data *priv = (struct ax88179_data *)dev->data;
- int ret = -EOPNOTSUPP;
+ struct ax88179_data *priv = dev->driver_priv;
+ int ret;
priv->eee_enabled = edata->eee_enabled;
if (!priv->eee_enabled) {
@@ -822,6 +843,7 @@ static const struct ethtool_ops ax88179_ethtool_ops = {
.set_wol = ax88179_set_wol,
.get_eeprom_len = ax88179_get_eeprom_len,
.get_eeprom = ax88179_get_eeprom,
+ .set_eeprom = ax88179_set_eeprom,
.get_eee = ax88179_get_eee,
.set_eee = ax88179_set_eee,
.nway_reset = usbnet_nway_reset,
@@ -833,8 +855,8 @@ static const struct ethtool_ops ax88179_ethtool_ops = {
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;
+ struct ax88179_data *data = dev->driver_priv;
+ u8 *m_filter = ((u8 *)dev->data);
data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
@@ -846,7 +868,7 @@ static void ax88179_set_multicast(struct net_device *net)
} else if (netdev_mc_empty(net)) {
/* just broadcast and directed */
} else {
- /* We use the 20 byte dev->data for our 8 byte filter buffer
+ /* We use dev->data for our 8 byte filter buffer
* to avoid allocating memory that is tricky to free later
*/
u32 crc_bits;
@@ -938,7 +960,7 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
- memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+ eth_hw_addr_set(net, addr->sa_data);
/* Set the MAC address */
ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
@@ -954,11 +976,11 @@ static const struct net_device_ops ax88179_netdev_ops = {
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_get_stats64 = usbnet_get_stats64,
+ .ndo_get_stats64 = dev_get_tstats64,
.ndo_change_mtu = ax88179_change_mtu,
.ndo_set_mac_address = ax88179_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = ax88179_ioctl,
+ .ndo_eth_ioctl = ax88179_ioctl,
.ndo_set_rx_mode = ax88179_set_multicast,
.ndo_set_features = ax88179_set_features,
};
@@ -992,7 +1014,7 @@ static int ax88179_check_eeprom(struct usbnet *dev)
} while (buf & EEP_BUSY);
__ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
- 2, 2, &eeprom[i * 2], 0);
+ 2, 2, &eeprom[i * 2]);
if ((i == 0) && (eeprom[0] == 0xFF))
return -EINVAL;
@@ -1219,6 +1241,8 @@ static void ax88179_get_mac_addr(struct usbnet *dev)
{
u8 mac[ETH_ALEN];
+ memset(mac, 0, sizeof(mac));
+
/* Maybe the boot loader passed the MAC address via device tree */
if (!eth_platform_get_mac_address(&dev->udev->dev, mac)) {
netif_dbg(dev, ifup, dev->net,
@@ -1231,7 +1255,7 @@ static void ax88179_get_mac_addr(struct usbnet *dev)
}
if (is_valid_ether_addr(mac)) {
- memcpy(dev->net->dev_addr, mac, ETH_ALEN);
+ eth_hw_addr_set(dev->net, mac);
} else {
netdev_info(dev->net, "invalid MAC address, using random\n");
eth_hw_addr_random(dev->net);
@@ -1243,46 +1267,15 @@ static void ax88179_get_mac_addr(struct usbnet *dev)
static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
{
- u8 buf[5];
- u16 *tmp16;
- u8 *tmp;
- struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
- struct ethtool_eee eee_data;
+ struct ax88179_data *ax179_data;
usbnet_get_endpoints(dev, intf);
- tmp16 = (u16 *)buf;
- tmp = (u8 *)buf;
-
- memset(ax179_data, 0, sizeof(*ax179_data));
-
- /* Power up ethernet PHY */
- *tmp16 = 0;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
- *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
- msleep(200);
-
- *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
- msleep(100);
-
- /* Read MAC address from DTB or asix chip */
- ax88179_get_mac_addr(dev);
- memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
-
- /* RX bulk configuration */
- memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
-
- dev->rx_urb_size = 1024 * 20;
+ ax179_data = kzalloc(sizeof(*ax179_data), GFP_KERNEL);
+ if (!ax179_data)
+ return -ENOMEM;
- *tmp = 0x34;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
-
- *tmp = 0x52;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
- 1, 1, tmp);
+ dev->driver_priv = ax179_data;
dev->net->netdev_ops = &ax88179_netdev_ops;
dev->net->ethtool_ops = &ax88179_ethtool_ops;
@@ -1298,58 +1291,21 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.phy_id = 0x03;
dev->mii.supports_gmii = 1;
- dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM;
-
- dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM;
-
- /* Enable checksum offload */
- *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);
-
- *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
- AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
-
- /* Configure RX control register => start operation */
- *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
- AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
-
- *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
- AX_MONITOR_MODE_RWMP;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
+ dev->net->features |= NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO;
- /* Configure default medium type => giga */
- *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
- AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
- AX_MEDIUM_GIGAMODE;
- ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
- 2, 2, tmp16);
-
- ax88179_led_setting(dev);
+ dev->net->hw_features |= dev->net->features;
- ax179_data->eee_enabled = 0;
- ax179_data->eee_active = 0;
+ netif_set_tso_max_size(dev->net, 16384);
- ax88179_disable_eee(dev);
-
- ax88179_ethtool_get_eee(dev, &eee_data);
- eee_data.advertised = 0;
- ax88179_ethtool_set_eee(dev, &eee_data);
-
- /* Restart autoneg */
- mii_nway_restart(&dev->mii);
-
- usbnet_link_change(dev, 0, 0);
+ ax88179_reset(dev);
return 0;
}
static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
{
+ struct ax88179_data *ax179_data = dev->driver_priv;
u16 tmp16;
/* Configure RX control register => stop operation */
@@ -1362,6 +1318,8 @@ static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
/* Power down ethernet PHY */
tmp16 = 0;
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
+
+ kfree(ax179_data);
}
static void
@@ -1388,57 +1346,119 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
u16 hdr_off;
u32 *pkt_hdr;
- /* This check is no longer done by usbnet */
- if (skb->len < dev->net->hard_header_len)
+ /* At the end of the SKB, there's a header telling us how many packets
+ * are bundled into this buffer and where we can find an array of
+ * per-packet metadata (which contains elements encoded into u16).
+ */
+
+ /* SKB contents for current firmware:
+ * <packet 1> <padding>
+ * ...
+ * <packet N> <padding>
+ * <per-packet metadata entry 1> <dummy header>
+ * ...
+ * <per-packet metadata entry N> <dummy header>
+ * <padding2> <rx_hdr>
+ *
+ * where:
+ * <packet N> contains pkt_len bytes:
+ * 2 bytes of IP alignment pseudo header
+ * packet received
+ * <per-packet metadata entry N> contains 4 bytes:
+ * pkt_len and fields AX_RXHDR_*
+ * <padding> 0-7 bytes to terminate at
+ * 8 bytes boundary (64-bit).
+ * <padding2> 4 bytes to make rx_hdr terminate at
+ * 8 bytes boundary (64-bit)
+ * <dummy-header> contains 4 bytes:
+ * pkt_len=0 and AX_RXHDR_DROP_ERR
+ * <rx-hdr> contains 4 bytes:
+ * pkt_cnt and hdr_off (offset of
+ * <per-packet metadata entry 1>)
+ *
+ * pkt_cnt is number of entrys in the per-packet metadata.
+ * In current firmware there is 2 entrys per packet.
+ * The first points to the packet and the
+ * second is a dummy header.
+ * This was done probably to align fields in 64-bit and
+ * maintain compatibility with old firmware.
+ * This code assumes that <dummy header> and <padding2> are
+ * optional.
+ */
+
+ if (skb->len < 4)
return 0;
-
skb_trim(skb, skb->len - 4);
rx_hdr = get_unaligned_le32(skb_tail_pointer(skb));
-
pkt_cnt = (u16)rx_hdr;
hdr_off = (u16)(rx_hdr >> 16);
+
+ if (pkt_cnt == 0)
+ return 0;
+
+ /* Make sure that the bounds of the metadata array are inside the SKB
+ * (and in front of the counter at the end).
+ */
+ if (pkt_cnt * 4 + hdr_off > skb->len)
+ return 0;
pkt_hdr = (u32 *)(skb->data + hdr_off);
- while (pkt_cnt--) {
+ /* Packets must not overlap the metadata array */
+ skb_trim(skb, hdr_off);
+
+ for (; pkt_cnt > 0; pkt_cnt--, pkt_hdr++) {
+ u16 pkt_len_plus_padd;
u16 pkt_len;
le32_to_cpus(pkt_hdr);
pkt_len = (*pkt_hdr >> 16) & 0x1fff;
+ pkt_len_plus_padd = (pkt_len + 7) & 0xfff8;
+
+ /* Skip dummy header used for alignment
+ */
+ if (pkt_len == 0)
+ continue;
+
+ if (pkt_len_plus_padd > skb->len)
+ return 0;
/* Check CRC or runt packet */
- if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
- (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
- skb_pull(skb, (pkt_len + 7) & 0xFFF8);
- pkt_hdr++;
+ if ((*pkt_hdr & (AX_RXHDR_CRC_ERR | AX_RXHDR_DROP_ERR)) ||
+ pkt_len < 2 + ETH_HLEN) {
+ dev->net->stats.rx_errors++;
+ skb_pull(skb, pkt_len_plus_padd);
continue;
}
- if (pkt_cnt == 0) {
- /* Skip IP alignment psudo header */
+ /* last packet */
+ if (pkt_len_plus_padd == skb->len) {
+ skb_trim(skb, pkt_len);
+
+ /* Skip IP alignment pseudo header */
skb_pull(skb, 2);
- skb->len = pkt_len;
- skb_set_tail_pointer(skb, pkt_len);
- skb->truesize = pkt_len + sizeof(struct sk_buff);
+
+ skb->truesize = SKB_TRUESIZE(pkt_len_plus_padd);
ax88179_rx_checksum(skb, pkt_hdr);
return 1;
}
ax_skb = skb_clone(skb, GFP_ATOMIC);
- if (ax_skb) {
- ax_skb->len = pkt_len;
- ax_skb->data = skb->data + 2;
- skb_set_tail_pointer(ax_skb, pkt_len);
- ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
- ax88179_rx_checksum(ax_skb, pkt_hdr);
- usbnet_skb_return(dev, ax_skb);
- } else {
+ if (!ax_skb)
return 0;
- }
+ skb_trim(ax_skb, pkt_len);
- skb_pull(skb, (pkt_len + 7) & 0xFFF8);
- pkt_hdr++;
+ /* Skip IP alignment pseudo header */
+ skb_pull(ax_skb, 2);
+
+ skb->truesize = pkt_len_plus_padd +
+ SKB_DATA_ALIGN(sizeof(struct sk_buff));
+ ax88179_rx_checksum(ax_skb, pkt_hdr);
+ usbnet_skb_return(dev, ax_skb);
+
+ skb_pull(skb, pkt_len_plus_padd);
}
- return 1;
+
+ return 0;
}
static struct sk_buff *
@@ -1446,17 +1466,19 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
{
u32 tx_hdr1, tx_hdr2;
int frame_size = dev->maxpacket;
- int mss = skb_shinfo(skb)->gso_size;
int headroom;
void *ptr;
tx_hdr1 = skb->len;
- tx_hdr2 = mss;
+ tx_hdr2 = skb_shinfo(skb)->gso_size; /* Set TSO mss */
if (((skb->len + 8) % frame_size) == 0)
tx_hdr2 |= 0x80008000; /* Enable padding */
headroom = skb_headroom(skb) - 8;
+ if ((dev->net->features & NETIF_F_SG) && skb_linearize(skb))
+ return NULL;
+
if ((skb_header_cloned(skb) || headroom < 0) &&
pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
dev_kfree_skb_any(skb);
@@ -1467,12 +1489,14 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
put_unaligned_le32(tx_hdr1, ptr);
put_unaligned_le32(tx_hdr2, ptr + 4);
+ usbnet_set_skb_tx_stats(skb, (skb_shinfo(skb)->gso_segs ?: 1), 0);
+
return skb;
}
static int ax88179_link_reset(struct usbnet *dev)
{
- struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
+ struct ax88179_data *ax179_data = dev->driver_priv;
u8 tmp[5], link_sts;
u16 mode, tmp16, delay = HZ / 10;
u32 tmp32 = 0x40000000;
@@ -1547,7 +1571,7 @@ static int ax88179_reset(struct usbnet *dev)
u8 buf[5];
u16 *tmp16;
u8 *tmp;
- struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
+ struct ax88179_data *ax179_data = dev->driver_priv;
struct ethtool_eee eee_data;
tmp16 = (u16 *)buf;
@@ -1566,10 +1590,11 @@ static int ax88179_reset(struct usbnet *dev)
msleep(100);
/* Ethernet PHY Auto Detach*/
- ax88179_auto_detach(dev, 0);
+ ax88179_auto_detach(dev);
/* Read MAC address from DTB or asix chip */
ax88179_get_mac_addr(dev);
+ memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
/* RX bulk configuration */
memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
@@ -1584,12 +1609,6 @@ static int ax88179_reset(struct usbnet *dev)
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1, 1, tmp);
- dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM;
-
- dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM;
-
/* Enable checksum offload */
*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
@@ -1615,6 +1634,12 @@ static int ax88179_reset(struct usbnet *dev)
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
2, 2, tmp16);
+ /* Check if WoL is supported */
+ ax179_data->wol_supported = 0;
+ if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
+ 1, 1, &tmp) > 0)
+ ax179_data->wol_supported = WAKE_MAGIC | WAKE_PHY;
+
ax88179_led_setting(dev);
ax179_data->eee_enabled = 0;
@@ -1745,44 +1770,130 @@ static const struct driver_info belkin_info = {
.status = ax88179_status,
.link_reset = ax88179_link_reset,
.reset = ax88179_reset,
+ .stop = ax88179_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+};
+
+static const struct driver_info toshiba_info = {
+ .description = "Toshiba USB Ethernet Adapter",
+ .bind = ax88179_bind,
+ .unbind = ax88179_unbind,
+ .status = ax88179_status,
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+};
+
+static const struct driver_info mct_info = {
+ .description = "MCT USB 3.0 Gigabit Ethernet Adapter",
+ .bind = ax88179_bind,
+ .unbind = ax88179_unbind,
+ .status = ax88179_status,
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX,
.rx_fixup = ax88179_rx_fixup,
.tx_fixup = ax88179_tx_fixup,
};
+static const struct driver_info at_umc2000_info = {
+ .description = "AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
+ .bind = ax88179_bind,
+ .unbind = ax88179_unbind,
+ .status = ax88179_status,
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+};
+
+static const struct driver_info at_umc200_info = {
+ .description = "AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter",
+ .bind = ax88179_bind,
+ .unbind = ax88179_unbind,
+ .status = ax88179_status,
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+};
+
+static const struct driver_info at_umc2000sp_info = {
+ .description = "AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
+ .bind = ax88179_bind,
+ .unbind = ax88179_unbind,
+ .status = ax88179_status,
+ .link_reset = ax88179_link_reset,
+ .reset = ax88179_reset,
+ .stop = ax88179_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .rx_fixup = ax88179_rx_fixup,
+ .tx_fixup = ax88179_tx_fixup,
+};
+
static const struct usb_device_id products[] = {
{
/* ASIX AX88179 10/100/1000 */
- USB_DEVICE(0x0b95, 0x1790),
+ USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x1790, 0xff, 0xff, 0),
.driver_info = (unsigned long)&ax88179_info,
}, {
/* ASIX AX88178A 10/100/1000 */
- USB_DEVICE(0x0b95, 0x178a),
+ USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x178a, 0xff, 0xff, 0),
.driver_info = (unsigned long)&ax88178a_info,
}, {
/* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
- USB_DEVICE(0x04b4, 0x3610),
+ USB_DEVICE_AND_INTERFACE_INFO(0x04b4, 0x3610, 0xff, 0xff, 0),
.driver_info = (unsigned long)&cypress_GX3_info,
}, {
/* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
- USB_DEVICE(0x2001, 0x4a00),
+ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x4a00, 0xff, 0xff, 0),
.driver_info = (unsigned long)&dlink_dub1312_info,
}, {
/* Sitecom USB 3.0 to Gigabit Adapter */
- USB_DEVICE(0x0df6, 0x0072),
+ USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0072, 0xff, 0xff, 0),
.driver_info = (unsigned long)&sitecom_info,
}, {
/* Samsung USB Ethernet Adapter */
- USB_DEVICE(0x04e8, 0xa100),
+ USB_DEVICE_AND_INTERFACE_INFO(0x04e8, 0xa100, 0xff, 0xff, 0),
.driver_info = (unsigned long)&samsung_info,
}, {
/* Lenovo OneLinkDock Gigabit LAN */
- USB_DEVICE(0x17ef, 0x304b),
+ USB_DEVICE_AND_INTERFACE_INFO(0x17ef, 0x304b, 0xff, 0xff, 0),
.driver_info = (unsigned long)&lenovo_info,
}, {
/* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
- USB_DEVICE(0x050d, 0x0128),
+ USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x0128, 0xff, 0xff, 0),
.driver_info = (unsigned long)&belkin_info,
+}, {
+ /* Toshiba USB 3.0 GBit Ethernet Adapter */
+ USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x0a13, 0xff, 0xff, 0),
+ .driver_info = (unsigned long)&toshiba_info,
+}, {
+ /* Magic Control Technology U3-A9003 USB 3.0 Gigabit Ethernet Adapter */
+ USB_DEVICE_AND_INTERFACE_INFO(0x0711, 0x0179, 0xff, 0xff, 0),
+ .driver_info = (unsigned long)&mct_info,
+}, {
+ /* Allied Telesis AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
+ USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000e, 0xff, 0xff, 0),
+ .driver_info = (unsigned long)&at_umc2000_info,
+}, {
+ /* Allied Telesis AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter */
+ USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000f, 0xff, 0xff, 0),
+ .driver_info = (unsigned long)&at_umc200_info,
+}, {
+ /* Allied Telesis AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
+ USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x0010, 0xff, 0xff, 0),
+ .driver_info = (unsigned long)&at_umc2000sp_info,
},
{ },
};