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path: root/drivers/net/usb/smsc75xx.c
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Diffstat (limited to 'drivers/net/usb/smsc75xx.c')
-rw-r--r--drivers/net/usb/smsc75xx.c1611
1 files changed, 1304 insertions, 307 deletions
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 753ee6eb7ed..d9e7892262f 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -13,19 +13,19 @@
* 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.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*****************************************************************************/
#include <linux/module.h>
#include <linux/kmod.h>
-#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/usb.h>
+#include <linux/bitrev.h>
+#include <linux/crc16.h>
#include <linux/crc32.h>
#include <linux/usb/usbnet.h>
#include <linux/slab.h>
@@ -43,7 +43,6 @@
#define EEPROM_MAC_OFFSET (0x01)
#define DEFAULT_TX_CSUM_ENABLE (true)
#define DEFAULT_RX_CSUM_ENABLE (true)
-#define DEFAULT_TSO_ENABLE (true)
#define SMSC75XX_INTERNAL_PHY_ID (1)
#define SMSC75XX_TX_OVERHEAD (8)
#define MAX_RX_FIFO_SIZE (20 * 1024)
@@ -51,24 +50,26 @@
#define USB_VENDOR_ID_SMSC (0x0424)
#define USB_PRODUCT_ID_LAN7500 (0x7500)
#define USB_PRODUCT_ID_LAN7505 (0x7505)
+#define RXW_PADDING 2
+#define SUPPORTED_WAKE (WAKE_PHY | WAKE_UCAST | WAKE_BCAST | \
+ WAKE_MCAST | WAKE_ARP | WAKE_MAGIC)
-#define check_warn(ret, fmt, args...) \
- ({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
-
-#define check_warn_return(ret, fmt, args...) \
- ({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); return ret; } })
-
-#define check_warn_goto_done(ret, fmt, args...) \
- ({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); goto done; } })
+#define SUSPEND_SUSPEND0 (0x01)
+#define SUSPEND_SUSPEND1 (0x02)
+#define SUSPEND_SUSPEND2 (0x04)
+#define SUSPEND_SUSPEND3 (0x08)
+#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
+ SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
struct smsc75xx_priv {
struct usbnet *dev;
u32 rfe_ctl;
+ u32 wolopts;
u32 multicast_hash_table[DP_SEL_VHF_HASH_LEN];
- bool use_rx_csum;
struct mutex dataport_mutex;
spinlock_t rfe_ctl_lock;
struct work_struct set_multicast;
+ u8 suspend_flags;
};
struct usb_context {
@@ -76,76 +77,103 @@ struct usb_context {
struct usbnet *dev;
};
-static int turbo_mode = true;
+static bool turbo_mode = true;
module_param(turbo_mode, bool, 0644);
MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
-static int __must_check smsc75xx_read_reg(struct usbnet *dev, u32 index,
- u32 *data)
+static int __must_check __smsc75xx_read_reg(struct usbnet *dev, u32 index,
+ u32 *data, int in_pm)
{
- u32 *buf = kmalloc(4, GFP_KERNEL);
+ u32 buf;
int ret;
+ int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
BUG_ON(!dev);
- if (!buf)
- return -ENOMEM;
-
- ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
- USB_VENDOR_REQUEST_READ_REGISTER,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 00, index, buf, 4, USB_CTRL_GET_TIMEOUT);
+ if (!in_pm)
+ fn = usbnet_read_cmd;
+ else
+ fn = usbnet_read_cmd_nopm;
+ ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN
+ | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, index, &buf, 4);
if (unlikely(ret < 0))
- netdev_warn(dev->net,
- "Failed to read register index 0x%08x", index);
+ netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
+ index, ret);
- le32_to_cpus(buf);
- *data = *buf;
- kfree(buf);
+ le32_to_cpus(&buf);
+ *data = buf;
return ret;
}
-static int __must_check smsc75xx_write_reg(struct usbnet *dev, u32 index,
- u32 data)
+static int __must_check __smsc75xx_write_reg(struct usbnet *dev, u32 index,
+ u32 data, int in_pm)
{
- u32 *buf = kmalloc(4, GFP_KERNEL);
+ u32 buf;
int ret;
+ int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
BUG_ON(!dev);
- if (!buf)
- return -ENOMEM;
-
- *buf = data;
- cpu_to_le32s(buf);
+ if (!in_pm)
+ fn = usbnet_write_cmd;
+ else
+ fn = usbnet_write_cmd_nopm;
- ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
- USB_VENDOR_REQUEST_WRITE_REGISTER,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 00, index, buf, 4, USB_CTRL_SET_TIMEOUT);
+ buf = data;
+ cpu_to_le32s(&buf);
+ ret = fn(dev, USB_VENDOR_REQUEST_WRITE_REGISTER, USB_DIR_OUT
+ | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, index, &buf, 4);
if (unlikely(ret < 0))
- netdev_warn(dev->net,
- "Failed to write register index 0x%08x", index);
-
- kfree(buf);
+ netdev_warn(dev->net, "Failed to write reg index 0x%08x: %d\n",
+ index, ret);
return ret;
}
+static int __must_check smsc75xx_read_reg_nopm(struct usbnet *dev, u32 index,
+ u32 *data)
+{
+ return __smsc75xx_read_reg(dev, index, data, 1);
+}
+
+static int __must_check smsc75xx_write_reg_nopm(struct usbnet *dev, u32 index,
+ u32 data)
+{
+ return __smsc75xx_write_reg(dev, index, data, 1);
+}
+
+static int __must_check smsc75xx_read_reg(struct usbnet *dev, u32 index,
+ u32 *data)
+{
+ return __smsc75xx_read_reg(dev, index, data, 0);
+}
+
+static int __must_check smsc75xx_write_reg(struct usbnet *dev, u32 index,
+ u32 data)
+{
+ return __smsc75xx_write_reg(dev, index, data, 0);
+}
+
/* Loop until the read is completed with timeout
* called with phy_mutex held */
-static int smsc75xx_phy_wait_not_busy(struct usbnet *dev)
+static __must_check int __smsc75xx_phy_wait_not_busy(struct usbnet *dev,
+ int in_pm)
{
unsigned long start_time = jiffies;
u32 val;
int ret;
do {
- ret = smsc75xx_read_reg(dev, MII_ACCESS, &val);
- check_warn_return(ret, "Error reading MII_ACCESS");
+ ret = __smsc75xx_read_reg(dev, MII_ACCESS, &val, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_ACCESS\n");
+ return ret;
+ }
if (!(val & MII_ACCESS_BUSY))
return 0;
@@ -154,7 +182,8 @@ static int smsc75xx_phy_wait_not_busy(struct usbnet *dev)
return -EIO;
}
-static int smsc75xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
+static int __smsc75xx_mdio_read(struct net_device *netdev, int phy_id, int idx,
+ int in_pm)
{
struct usbnet *dev = netdev_priv(netdev);
u32 val, addr;
@@ -163,23 +192,35 @@ static int smsc75xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
mutex_lock(&dev->phy_mutex);
/* confirm MII not busy */
- ret = smsc75xx_phy_wait_not_busy(dev);
- check_warn_goto_done(ret, "MII is busy in smsc75xx_mdio_read");
+ ret = __smsc75xx_phy_wait_not_busy(dev, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "MII is busy in smsc75xx_mdio_read\n");
+ goto done;
+ }
/* set the address, index & direction (read from PHY) */
phy_id &= dev->mii.phy_id_mask;
idx &= dev->mii.reg_num_mask;
addr = ((phy_id << MII_ACCESS_PHY_ADDR_SHIFT) & MII_ACCESS_PHY_ADDR)
| ((idx << MII_ACCESS_REG_ADDR_SHIFT) & MII_ACCESS_REG_ADDR)
- | MII_ACCESS_READ;
- ret = smsc75xx_write_reg(dev, MII_ACCESS, addr);
- check_warn_goto_done(ret, "Error writing MII_ACCESS");
+ | MII_ACCESS_READ | MII_ACCESS_BUSY;
+ ret = __smsc75xx_write_reg(dev, MII_ACCESS, addr, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MII_ACCESS\n");
+ goto done;
+ }
- ret = smsc75xx_phy_wait_not_busy(dev);
- check_warn_goto_done(ret, "Timed out reading MII reg %02X", idx);
+ ret = __smsc75xx_phy_wait_not_busy(dev, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Timed out reading MII reg %02X\n", idx);
+ goto done;
+ }
- ret = smsc75xx_read_reg(dev, MII_DATA, &val);
- check_warn_goto_done(ret, "Error reading MII_DATA");
+ ret = __smsc75xx_read_reg(dev, MII_DATA, &val, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_DATA\n");
+ goto done;
+ }
ret = (u16)(val & 0xFFFF);
@@ -188,8 +229,8 @@ done:
return ret;
}
-static void smsc75xx_mdio_write(struct net_device *netdev, int phy_id, int idx,
- int regval)
+static void __smsc75xx_mdio_write(struct net_device *netdev, int phy_id,
+ int idx, int regval, int in_pm)
{
struct usbnet *dev = netdev_priv(netdev);
u32 val, addr;
@@ -198,29 +239,64 @@ static void smsc75xx_mdio_write(struct net_device *netdev, int phy_id, int idx,
mutex_lock(&dev->phy_mutex);
/* confirm MII not busy */
- ret = smsc75xx_phy_wait_not_busy(dev);
- check_warn_goto_done(ret, "MII is busy in smsc75xx_mdio_write");
+ ret = __smsc75xx_phy_wait_not_busy(dev, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "MII is busy in smsc75xx_mdio_write\n");
+ goto done;
+ }
val = regval;
- ret = smsc75xx_write_reg(dev, MII_DATA, val);
- check_warn_goto_done(ret, "Error writing MII_DATA");
+ ret = __smsc75xx_write_reg(dev, MII_DATA, val, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MII_DATA\n");
+ goto done;
+ }
/* set the address, index & direction (write to PHY) */
phy_id &= dev->mii.phy_id_mask;
idx &= dev->mii.reg_num_mask;
addr = ((phy_id << MII_ACCESS_PHY_ADDR_SHIFT) & MII_ACCESS_PHY_ADDR)
| ((idx << MII_ACCESS_REG_ADDR_SHIFT) & MII_ACCESS_REG_ADDR)
- | MII_ACCESS_WRITE;
- ret = smsc75xx_write_reg(dev, MII_ACCESS, addr);
- check_warn_goto_done(ret, "Error writing MII_ACCESS");
+ | MII_ACCESS_WRITE | MII_ACCESS_BUSY;
+ ret = __smsc75xx_write_reg(dev, MII_ACCESS, addr, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MII_ACCESS\n");
+ goto done;
+ }
- ret = smsc75xx_phy_wait_not_busy(dev);
- check_warn_goto_done(ret, "Timed out writing MII reg %02X", idx);
+ ret = __smsc75xx_phy_wait_not_busy(dev, in_pm);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Timed out writing MII reg %02X\n", idx);
+ goto done;
+ }
done:
mutex_unlock(&dev->phy_mutex);
}
+static int smsc75xx_mdio_read_nopm(struct net_device *netdev, int phy_id,
+ int idx)
+{
+ return __smsc75xx_mdio_read(netdev, phy_id, idx, 1);
+}
+
+static void smsc75xx_mdio_write_nopm(struct net_device *netdev, int phy_id,
+ int idx, int regval)
+{
+ __smsc75xx_mdio_write(netdev, phy_id, idx, regval, 1);
+}
+
+static int smsc75xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
+{
+ return __smsc75xx_mdio_read(netdev, phy_id, idx, 0);
+}
+
+static void smsc75xx_mdio_write(struct net_device *netdev, int phy_id, int idx,
+ int regval)
+{
+ __smsc75xx_mdio_write(netdev, phy_id, idx, regval, 0);
+}
+
static int smsc75xx_wait_eeprom(struct usbnet *dev)
{
unsigned long start_time = jiffies;
@@ -229,7 +305,10 @@ static int smsc75xx_wait_eeprom(struct usbnet *dev)
do {
ret = smsc75xx_read_reg(dev, E2P_CMD, &val);
- check_warn_return(ret, "Error reading E2P_CMD");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading E2P_CMD\n");
+ return ret;
+ }
if (!(val & E2P_CMD_BUSY) || (val & E2P_CMD_TIMEOUT))
break;
@@ -237,7 +316,7 @@ static int smsc75xx_wait_eeprom(struct usbnet *dev)
} while (!time_after(jiffies, start_time + HZ));
if (val & (E2P_CMD_TIMEOUT | E2P_CMD_BUSY)) {
- netdev_warn(dev->net, "EEPROM read operation timeout");
+ netdev_warn(dev->net, "EEPROM read operation timeout\n");
return -EIO;
}
@@ -252,7 +331,10 @@ static int smsc75xx_eeprom_confirm_not_busy(struct usbnet *dev)
do {
ret = smsc75xx_read_reg(dev, E2P_CMD, &val);
- check_warn_return(ret, "Error reading E2P_CMD");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading E2P_CMD\n");
+ return ret;
+ }
if (!(val & E2P_CMD_BUSY))
return 0;
@@ -260,7 +342,7 @@ static int smsc75xx_eeprom_confirm_not_busy(struct usbnet *dev)
udelay(40);
} while (!time_after(jiffies, start_time + HZ));
- netdev_warn(dev->net, "EEPROM is busy");
+ netdev_warn(dev->net, "EEPROM is busy\n");
return -EIO;
}
@@ -280,14 +362,20 @@ static int smsc75xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length,
for (i = 0; i < length; i++) {
val = E2P_CMD_BUSY | E2P_CMD_READ | (offset & E2P_CMD_ADDR);
ret = smsc75xx_write_reg(dev, E2P_CMD, val);
- check_warn_return(ret, "Error writing E2P_CMD");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_CMD\n");
+ return ret;
+ }
ret = smsc75xx_wait_eeprom(dev);
if (ret < 0)
return ret;
ret = smsc75xx_read_reg(dev, E2P_DATA, &val);
- check_warn_return(ret, "Error reading E2P_DATA");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading E2P_DATA\n");
+ return ret;
+ }
data[i] = val & 0xFF;
offset++;
@@ -312,7 +400,10 @@ static int smsc75xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
/* Issue write/erase enable command */
val = E2P_CMD_BUSY | E2P_CMD_EWEN;
ret = smsc75xx_write_reg(dev, E2P_CMD, val);
- check_warn_return(ret, "Error writing E2P_CMD");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_CMD\n");
+ return ret;
+ }
ret = smsc75xx_wait_eeprom(dev);
if (ret < 0)
@@ -323,12 +414,18 @@ static int smsc75xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
/* Fill data register */
val = data[i];
ret = smsc75xx_write_reg(dev, E2P_DATA, val);
- check_warn_return(ret, "Error writing E2P_DATA");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_DATA\n");
+ return ret;
+ }
/* Send "write" command */
val = E2P_CMD_BUSY | E2P_CMD_WRITE | (offset & E2P_CMD_ADDR);
ret = smsc75xx_write_reg(dev, E2P_CMD, val);
- check_warn_return(ret, "Error writing E2P_CMD");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_CMD\n");
+ return ret;
+ }
ret = smsc75xx_wait_eeprom(dev);
if (ret < 0)
@@ -347,7 +444,10 @@ static int smsc75xx_dataport_wait_not_busy(struct usbnet *dev)
for (i = 0; i < 100; i++) {
u32 dp_sel;
ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel);
- check_warn_return(ret, "Error reading DP_SEL");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading DP_SEL\n");
+ return ret;
+ }
if (dp_sel & DP_SEL_DPRDY)
return 0;
@@ -355,7 +455,7 @@ static int smsc75xx_dataport_wait_not_busy(struct usbnet *dev)
udelay(40);
}
- netdev_warn(dev->net, "smsc75xx_dataport_wait_not_busy timed out");
+ netdev_warn(dev->net, "smsc75xx_dataport_wait_not_busy timed out\n");
return -EIO;
}
@@ -370,28 +470,49 @@ static int smsc75xx_dataport_write(struct usbnet *dev, u32 ram_select, u32 addr,
mutex_lock(&pdata->dataport_mutex);
ret = smsc75xx_dataport_wait_not_busy(dev);
- check_warn_goto_done(ret, "smsc75xx_dataport_write busy on entry");
+ if (ret < 0) {
+ netdev_warn(dev->net, "smsc75xx_dataport_write busy on entry\n");
+ goto done;
+ }
ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel);
- check_warn_goto_done(ret, "Error reading DP_SEL");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading DP_SEL\n");
+ goto done;
+ }
dp_sel &= ~DP_SEL_RSEL;
dp_sel |= ram_select;
ret = smsc75xx_write_reg(dev, DP_SEL, dp_sel);
- check_warn_goto_done(ret, "Error writing DP_SEL");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing DP_SEL\n");
+ goto done;
+ }
for (i = 0; i < length; i++) {
ret = smsc75xx_write_reg(dev, DP_ADDR, addr + i);
- check_warn_goto_done(ret, "Error writing DP_ADDR");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing DP_ADDR\n");
+ goto done;
+ }
ret = smsc75xx_write_reg(dev, DP_DATA, buf[i]);
- check_warn_goto_done(ret, "Error writing DP_DATA");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing DP_DATA\n");
+ goto done;
+ }
ret = smsc75xx_write_reg(dev, DP_CMD, DP_CMD_WRITE);
- check_warn_goto_done(ret, "Error writing DP_CMD");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing DP_CMD\n");
+ goto done;
+ }
ret = smsc75xx_dataport_wait_not_busy(dev);
- check_warn_goto_done(ret, "smsc75xx_dataport_write timeout");
+ if (ret < 0) {
+ netdev_warn(dev->net, "smsc75xx_dataport_write timeout\n");
+ goto done;
+ }
}
done:
@@ -412,14 +533,15 @@ static void smsc75xx_deferred_multicast_write(struct work_struct *param)
struct usbnet *dev = pdata->dev;
int ret;
- netif_dbg(dev, drv, dev->net, "deferred multicast write 0x%08x",
- pdata->rfe_ctl);
+ netif_dbg(dev, drv, dev->net, "deferred multicast write 0x%08x\n",
+ pdata->rfe_ctl);
smsc75xx_dataport_write(dev, DP_SEL_VHF, DP_SEL_VHF_VLAN_LEN,
DP_SEL_VHF_HASH_LEN, pdata->multicast_hash_table);
ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
- check_warn(ret, "Error writing RFE_CRL");
+ if (ret < 0)
+ netdev_warn(dev->net, "Error writing RFE_CRL\n");
}
static void smsc75xx_set_multicast(struct net_device *netdev)
@@ -439,15 +561,15 @@ static void smsc75xx_set_multicast(struct net_device *netdev)
pdata->multicast_hash_table[i] = 0;
if (dev->net->flags & IFF_PROMISC) {
- netif_dbg(dev, drv, dev->net, "promiscuous mode enabled");
+ netif_dbg(dev, drv, dev->net, "promiscuous mode enabled\n");
pdata->rfe_ctl |= RFE_CTL_AM | RFE_CTL_AU;
} else if (dev->net->flags & IFF_ALLMULTI) {
- netif_dbg(dev, drv, dev->net, "receive all multicast enabled");
+ netif_dbg(dev, drv, dev->net, "receive all multicast enabled\n");
pdata->rfe_ctl |= RFE_CTL_AM | RFE_CTL_DPF;
} else if (!netdev_mc_empty(dev->net)) {
struct netdev_hw_addr *ha;
- netif_dbg(dev, drv, dev->net, "receive multicast hash filter");
+ netif_dbg(dev, drv, dev->net, "receive multicast hash filter\n");
pdata->rfe_ctl |= RFE_CTL_MHF | RFE_CTL_DPF;
@@ -457,7 +579,7 @@ static void smsc75xx_set_multicast(struct net_device *netdev)
(1 << (bitnum % 32));
}
} else {
- netif_dbg(dev, drv, dev->net, "receive own packets only");
+ netif_dbg(dev, drv, dev->net, "receive own packets only\n");
pdata->rfe_ctl |= RFE_CTL_DPF;
}
@@ -485,18 +607,24 @@ static int smsc75xx_update_flowcontrol(struct usbnet *dev, u8 duplex,
if (cap & FLOW_CTRL_RX)
flow |= FLOW_RX_FCEN;
- netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s",
- (cap & FLOW_CTRL_RX ? "enabled" : "disabled"),
- (cap & FLOW_CTRL_TX ? "enabled" : "disabled"));
+ netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s\n",
+ (cap & FLOW_CTRL_RX ? "enabled" : "disabled"),
+ (cap & FLOW_CTRL_TX ? "enabled" : "disabled"));
} else {
- netif_dbg(dev, link, dev->net, "half duplex");
+ netif_dbg(dev, link, dev->net, "half duplex\n");
}
ret = smsc75xx_write_reg(dev, FLOW, flow);
- check_warn_return(ret, "Error writing FLOW");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing FLOW\n");
+ return ret;
+ }
ret = smsc75xx_write_reg(dev, FCT_FLOW, fct_flow);
- check_warn_return(ret, "Error writing FCT_FLOW");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing FCT_FLOW\n");
+ return ret;
+ }
return 0;
}
@@ -504,24 +632,27 @@ static int smsc75xx_update_flowcontrol(struct usbnet *dev, u8 duplex,
static int smsc75xx_link_reset(struct usbnet *dev)
{
struct mii_if_info *mii = &dev->mii;
- struct ethtool_cmd ecmd;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
u16 lcladv, rmtadv;
int ret;
- /* clear interrupt status */
- ret = smsc75xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC);
- check_warn_return(ret, "Error reading PHY_INT_SRC");
+ /* write to clear phy interrupt status */
+ smsc75xx_mdio_write(dev->net, mii->phy_id, PHY_INT_SRC,
+ PHY_INT_SRC_CLEAR_ALL);
ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL);
- check_warn_return(ret, "Error writing INT_STS");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing INT_STS\n");
+ return ret;
+ }
mii_check_media(mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
lcladv = smsc75xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE);
rmtadv = smsc75xx_mdio_read(dev->net, mii->phy_id, MII_LPA);
- netif_dbg(dev, link, dev->net, "speed: %d duplex: %d lcladv: %04x"
- " rmtadv: %04x", ecmd.speed, ecmd.duplex, lcladv, rmtadv);
+ netif_dbg(dev, link, dev->net, "speed: %u duplex: %d lcladv: %04x rmtadv: %04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, lcladv, rmtadv);
return smsc75xx_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv);
}
@@ -531,43 +662,21 @@ static void smsc75xx_status(struct usbnet *dev, struct urb *urb)
u32 intdata;
if (urb->actual_length != 4) {
- netdev_warn(dev->net,
- "unexpected urb length %d", urb->actual_length);
+ netdev_warn(dev->net, "unexpected urb length %d\n",
+ urb->actual_length);
return;
}
memcpy(&intdata, urb->transfer_buffer, 4);
le32_to_cpus(&intdata);
- netif_dbg(dev, link, dev->net, "intdata: 0x%08X", intdata);
+ netif_dbg(dev, link, dev->net, "intdata: 0x%08X\n", intdata);
if (intdata & INT_ENP_PHY_INT)
usbnet_defer_kevent(dev, EVENT_LINK_RESET);
else
- netdev_warn(dev->net,
- "unexpected interrupt, intdata=0x%08X", intdata);
-}
-
-/* Enable or disable Rx checksum offload engine */
-static int smsc75xx_set_rx_csum_offload(struct usbnet *dev)
-{
- struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&pdata->rfe_ctl_lock, flags);
-
- if (pdata->use_rx_csum)
- pdata->rfe_ctl |= RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM;
- else
- pdata->rfe_ctl &= ~(RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM);
-
- spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags);
-
- ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
- check_warn_return(ret, "Error writing RFE_CTL");
-
- return 0;
+ netdev_warn(dev->net, "unexpected interrupt, intdata=0x%08X\n",
+ intdata);
}
static int smsc75xx_ethtool_get_eeprom_len(struct net_device *net)
@@ -591,40 +700,38 @@ static int smsc75xx_ethtool_set_eeprom(struct net_device *netdev,
struct usbnet *dev = netdev_priv(netdev);
if (ee->magic != LAN75XX_EEPROM_MAGIC) {
- netdev_warn(dev->net,
- "EEPROM: magic value mismatch: 0x%x", ee->magic);
+ netdev_warn(dev->net, "EEPROM: magic value mismatch: 0x%x\n",
+ ee->magic);
return -EINVAL;
}
return smsc75xx_write_eeprom(dev, ee->offset, ee->len, data);
}
-static u32 smsc75xx_ethtool_get_rx_csum(struct net_device *netdev)
+static void smsc75xx_ethtool_get_wol(struct net_device *net,
+ struct ethtool_wolinfo *wolinfo)
{
- struct usbnet *dev = netdev_priv(netdev);
+ struct usbnet *dev = netdev_priv(net);
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
- return pdata->use_rx_csum;
+ wolinfo->supported = SUPPORTED_WAKE;
+ wolinfo->wolopts = pdata->wolopts;
}
-static int smsc75xx_ethtool_set_rx_csum(struct net_device *netdev, u32 val)
+static int smsc75xx_ethtool_set_wol(struct net_device *net,
+ struct ethtool_wolinfo *wolinfo)
{
- struct usbnet *dev = netdev_priv(netdev);
+ struct usbnet *dev = netdev_priv(net);
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ int ret;
- pdata->use_rx_csum = !!val;
-
- return smsc75xx_set_rx_csum_offload(dev);
-}
+ pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;
-static int smsc75xx_ethtool_set_tso(struct net_device *netdev, u32 data)
-{
- if (data)
- netdev->features |= NETIF_F_TSO | NETIF_F_TSO6;
- else
- netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+ ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
+ if (ret < 0)
+ netdev_warn(dev->net, "device_set_wakeup_enable error %d\n", ret);
- return 0;
+ return ret;
}
static const struct ethtool_ops smsc75xx_ethtool_ops = {
@@ -638,12 +745,8 @@ static const struct ethtool_ops smsc75xx_ethtool_ops = {
.get_eeprom_len = smsc75xx_ethtool_get_eeprom_len,
.get_eeprom = smsc75xx_ethtool_get_eeprom,
.set_eeprom = smsc75xx_ethtool_set_eeprom,
- .get_tx_csum = ethtool_op_get_tx_csum,
- .set_tx_csum = ethtool_op_set_tx_hw_csum,
- .get_rx_csum = smsc75xx_ethtool_get_rx_csum,
- .set_rx_csum = smsc75xx_ethtool_set_rx_csum,
- .get_tso = ethtool_op_get_tso,
- .set_tso = smsc75xx_ethtool_set_tso,
+ .get_wol = smsc75xx_ethtool_get_wol,
+ .set_wol = smsc75xx_ethtool_set_wol,
};
static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
@@ -664,14 +767,14 @@ static void smsc75xx_init_mac_address(struct usbnet *dev)
if (is_valid_ether_addr(dev->net->dev_addr)) {
/* eeprom values are valid so use them */
netif_dbg(dev, ifup, dev->net,
- "MAC address read from EEPROM");
+ "MAC address read from EEPROM\n");
return;
}
}
/* no eeprom, or eeprom values are invalid. generate random MAC */
- random_ether_addr(dev->net->dev_addr);
- netif_dbg(dev, ifup, dev->net, "MAC address set to random_ether_addr");
+ eth_hw_addr_random(dev->net);
+ netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
}
static int smsc75xx_set_mac_address(struct usbnet *dev)
@@ -681,24 +784,34 @@ static int smsc75xx_set_mac_address(struct usbnet *dev)
u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8;
int ret = smsc75xx_write_reg(dev, RX_ADDRH, addr_hi);
- check_warn_return(ret, "Failed to write RX_ADDRH: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write RX_ADDRH: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_write_reg(dev, RX_ADDRL, addr_lo);
- check_warn_return(ret, "Failed to write RX_ADDRL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write RX_ADDRL: %d\n", ret);
+ return ret;
+ }
addr_hi |= ADDR_FILTX_FB_VALID;
ret = smsc75xx_write_reg(dev, ADDR_FILTX, addr_hi);
- check_warn_return(ret, "Failed to write ADDR_FILTX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write ADDR_FILTX: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_write_reg(dev, ADDR_FILTX + 4, addr_lo);
- check_warn_return(ret, "Failed to write ADDR_FILTX+4: %d", ret);
+ if (ret < 0)
+ netdev_warn(dev->net, "Failed to write ADDR_FILTX+4: %d\n", ret);
- return 0;
+ return ret;
}
static int smsc75xx_phy_initialize(struct usbnet *dev)
{
- int bmcr, timeout = 0;
+ int bmcr, ret, timeout = 0;
/* Initialize MII structure */
dev->mii.dev = dev->net;
@@ -706,6 +819,7 @@ static int smsc75xx_phy_initialize(struct usbnet *dev)
dev->mii.mdio_write = smsc75xx_mdio_write;
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0x1f;
+ dev->mii.supports_gmii = 1;
dev->mii.phy_id = SMSC75XX_INTERNAL_PHY_ID;
/* reset phy and wait for reset to complete */
@@ -714,28 +828,38 @@ static int smsc75xx_phy_initialize(struct usbnet *dev)
do {
msleep(10);
bmcr = smsc75xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
- check_warn_return(bmcr, "Error reading MII_BMCR");
+ if (bmcr < 0) {
+ netdev_warn(dev->net, "Error reading MII_BMCR\n");
+ return bmcr;
+ }
timeout++;
- } while ((bmcr & MII_BMCR) && (timeout < 100));
+ } while ((bmcr & BMCR_RESET) && (timeout < 100));
if (timeout >= 100) {
- netdev_warn(dev->net, "timeout on PHY Reset");
+ netdev_warn(dev->net, "timeout on PHY Reset\n");
return -EIO;
}
smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
ADVERTISE_PAUSE_ASYM);
+ smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
+ ADVERTISE_1000FULL);
- /* read to clear */
- smsc75xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC);
- check_warn_return(bmcr, "Error reading PHY_INT_SRC");
+ /* read and write to clear phy interrupt status */
+ ret = smsc75xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_INT_SRC\n");
+ return ret;
+ }
+
+ smsc75xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_SRC, 0xffff);
smsc75xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK,
PHY_INT_MASK_DEFAULT);
mii_nway_restart(&dev->mii);
- netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
+ netif_dbg(dev, ifup, dev->net, "phy initialised successfully\n");
return 0;
}
@@ -746,14 +870,20 @@ static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size)
bool rxenabled;
ret = smsc75xx_read_reg(dev, MAC_RX, &buf);
- check_warn_return(ret, "Failed to read MAC_RX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MAC_RX: %d\n", ret);
+ return ret;
+ }
rxenabled = ((buf & MAC_RX_RXEN) != 0);
if (rxenabled) {
buf &= ~MAC_RX_RXEN;
ret = smsc75xx_write_reg(dev, MAC_RX, buf);
- check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_RX: %d\n", ret);
+ return ret;
+ }
}
/* add 4 to size for FCS */
@@ -761,12 +891,18 @@ static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size)
buf |= (((size + 4) << MAC_RX_MAX_SIZE_SHIFT) & MAC_RX_MAX_SIZE);
ret = smsc75xx_write_reg(dev, MAC_RX, buf);
- check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_RX: %d\n", ret);
+ return ret;
+ }
if (rxenabled) {
buf |= MAC_RX_RXEN;
ret = smsc75xx_write_reg(dev, MAC_RX, buf);
- check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_RX: %d\n", ret);
+ return ret;
+ }
}
return 0;
@@ -775,89 +911,184 @@ static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size)
static int smsc75xx_change_mtu(struct net_device *netdev, int new_mtu)
{
struct usbnet *dev = netdev_priv(netdev);
+ int ret;
- int ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu);
- check_warn_return(ret, "Failed to set mac rx frame length");
+ if (new_mtu > MAX_SINGLE_PACKET_SIZE)
+ return -EINVAL;
+
+ ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to set mac rx frame length\n");
+ return ret;
+ }
return usbnet_change_mtu(netdev, new_mtu);
}
+/* Enable or disable Rx checksum offload engine */
+static int smsc75xx_set_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&pdata->rfe_ctl_lock, flags);
+
+ if (features & NETIF_F_RXCSUM)
+ pdata->rfe_ctl |= RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM;
+ else
+ pdata->rfe_ctl &= ~(RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM);
+
+ spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags);
+ /* it's racing here! */
+
+ ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
+ if (ret < 0)
+ netdev_warn(dev->net, "Error writing RFE_CTL\n");
+
+ return ret;
+}
+
+static int smsc75xx_wait_ready(struct usbnet *dev, int in_pm)
+{
+ int timeout = 0;
+
+ do {
+ u32 buf;
+ int ret;
+
+ ret = __smsc75xx_read_reg(dev, PMT_CTL, &buf, in_pm);
+
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read PMT_CTL: %d\n", ret);
+ return ret;
+ }
+
+ if (buf & PMT_CTL_DEV_RDY)
+ return 0;
+
+ msleep(10);
+ timeout++;
+ } while (timeout < 100);
+
+ netdev_warn(dev->net, "timeout waiting for device ready\n");
+ return -EIO;
+}
+
static int smsc75xx_reset(struct usbnet *dev)
{
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
u32 buf;
int ret = 0, timeout;
- netif_dbg(dev, ifup, dev->net, "entering smsc75xx_reset");
+ netif_dbg(dev, ifup, dev->net, "entering smsc75xx_reset\n");
+
+ ret = smsc75xx_wait_ready(dev, 0);
+ if (ret < 0) {
+ netdev_warn(dev->net, "device not ready in smsc75xx_reset\n");
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
buf |= HW_CFG_LRST;
ret = smsc75xx_write_reg(dev, HW_CFG, buf);
- check_warn_return(ret, "Failed to write HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write HW_CFG: %d\n", ret);
+ return ret;
+ }
timeout = 0;
do {
msleep(10);
ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
timeout++;
} while ((buf & HW_CFG_LRST) && (timeout < 100));
if (timeout >= 100) {
- netdev_warn(dev->net, "timeout on completion of Lite Reset");
+ netdev_warn(dev->net, "timeout on completion of Lite Reset\n");
return -EIO;
}
- netif_dbg(dev, ifup, dev->net, "Lite reset complete, resetting PHY");
+ netif_dbg(dev, ifup, dev->net, "Lite reset complete, resetting PHY\n");
ret = smsc75xx_read_reg(dev, PMT_CTL, &buf);
- check_warn_return(ret, "Failed to read PMT_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read PMT_CTL: %d\n", ret);
+ return ret;
+ }
buf |= PMT_CTL_PHY_RST;
ret = smsc75xx_write_reg(dev, PMT_CTL, buf);
- check_warn_return(ret, "Failed to write PMT_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write PMT_CTL: %d\n", ret);
+ return ret;
+ }
timeout = 0;
do {
msleep(10);
ret = smsc75xx_read_reg(dev, PMT_CTL, &buf);
- check_warn_return(ret, "Failed to read PMT_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read PMT_CTL: %d\n", ret);
+ return ret;
+ }
timeout++;
} while ((buf & PMT_CTL_PHY_RST) && (timeout < 100));
if (timeout >= 100) {
- netdev_warn(dev->net, "timeout waiting for PHY Reset");
+ netdev_warn(dev->net, "timeout waiting for PHY Reset\n");
return -EIO;
}
- netif_dbg(dev, ifup, dev->net, "PHY reset complete");
-
- smsc75xx_init_mac_address(dev);
+ netif_dbg(dev, ifup, dev->net, "PHY reset complete\n");
ret = smsc75xx_set_mac_address(dev);
- check_warn_return(ret, "Failed to set mac address");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to set mac address\n");
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "MAC Address: %pM", dev->net->dev_addr);
+ netif_dbg(dev, ifup, dev->net, "MAC Address: %pM\n",
+ dev->net->dev_addr);
ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x\n",
+ buf);
buf |= HW_CFG_BIR;
ret = smsc75xx_write_reg(dev, HW_CFG, buf);
- check_warn_return(ret, "Failed to write HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write HW_CFG: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG after "
- "writing HW_CFG_BIR: 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG after writing HW_CFG_BIR: 0x%08x\n",
+ buf);
if (!turbo_mode) {
buf = 0;
@@ -870,160 +1101,269 @@ static int smsc75xx_reset(struct usbnet *dev)
dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
}
- netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld",
- (ulong)dev->rx_urb_size);
+ netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld\n",
+ (ulong)dev->rx_urb_size);
ret = smsc75xx_write_reg(dev, BURST_CAP, buf);
- check_warn_return(ret, "Failed to write BURST_CAP: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write BURST_CAP: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, BURST_CAP, &buf);
- check_warn_return(ret, "Failed to read BURST_CAP: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read BURST_CAP: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net,
- "Read Value from BURST_CAP after writing: 0x%08x", buf);
+ "Read Value from BURST_CAP after writing: 0x%08x\n", buf);
ret = smsc75xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY);
- check_warn_return(ret, "Failed to write BULK_IN_DLY: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write BULK_IN_DLY: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, BULK_IN_DLY, &buf);
- check_warn_return(ret, "Failed to read BULK_IN_DLY: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read BULK_IN_DLY: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net,
- "Read Value from BULK_IN_DLY after writing: 0x%08x", buf);
+ "Read Value from BULK_IN_DLY after writing: 0x%08x\n", buf);
if (turbo_mode) {
ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x\n", buf);
buf |= (HW_CFG_MEF | HW_CFG_BCE);
ret = smsc75xx_write_reg(dev, HW_CFG, buf);
- check_warn_return(ret, "Failed to write HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write HW_CFG: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x\n", buf);
}
/* set FIFO sizes */
buf = (MAX_RX_FIFO_SIZE - 512) / 512;
ret = smsc75xx_write_reg(dev, FCT_RX_FIFO_END, buf);
- check_warn_return(ret, "Failed to write FCT_RX_FIFO_END: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FCT_RX_FIFO_END: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "FCT_RX_FIFO_END set to 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "FCT_RX_FIFO_END set to 0x%08x\n", buf);
buf = (MAX_TX_FIFO_SIZE - 512) / 512;
ret = smsc75xx_write_reg(dev, FCT_TX_FIFO_END, buf);
- check_warn_return(ret, "Failed to write FCT_TX_FIFO_END: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FCT_TX_FIFO_END: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "FCT_TX_FIFO_END set to 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "FCT_TX_FIFO_END set to 0x%08x\n", buf);
ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL);
- check_warn_return(ret, "Failed to write INT_STS: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write INT_STS: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, ID_REV, &buf);
- check_warn_return(ret, "Failed to read ID_REV: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x\n", buf);
- /* Configure GPIO pins as LED outputs */
- ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf);
- check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret);
+ ret = smsc75xx_read_reg(dev, E2P_CMD, &buf);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read E2P_CMD: %d\n", ret);
+ return ret;
+ }
- buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL);
- buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL;
+ /* only set default GPIO/LED settings if no EEPROM is detected */
+ if (!(buf & E2P_CMD_LOADED)) {
+ ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read LED_GPIO_CFG: %d\n", ret);
+ return ret;
+ }
- ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf);
- check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret);
+ buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL);
+ buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL;
+
+ ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write LED_GPIO_CFG: %d\n", ret);
+ return ret;
+ }
+ }
ret = smsc75xx_write_reg(dev, FLOW, 0);
- check_warn_return(ret, "Failed to write FLOW: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FLOW: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_write_reg(dev, FCT_FLOW, 0);
- check_warn_return(ret, "Failed to write FCT_FLOW: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FCT_FLOW: %d\n", ret);
+ return ret;
+ }
/* Don't need rfe_ctl_lock during initialisation */
ret = smsc75xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl);
- check_warn_return(ret, "Failed to read RFE_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read RFE_CTL: %d\n", ret);
+ return ret;
+ }
pdata->rfe_ctl |= RFE_CTL_AB | RFE_CTL_DPF;
ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
- check_warn_return(ret, "Failed to write RFE_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write RFE_CTL: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl);
- check_warn_return(ret, "Failed to read RFE_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read RFE_CTL: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "RFE_CTL set to 0x%08x", pdata->rfe_ctl);
+ netif_dbg(dev, ifup, dev->net, "RFE_CTL set to 0x%08x\n",
+ pdata->rfe_ctl);
/* Enable or disable checksum offload engines */
- ethtool_op_set_tx_hw_csum(dev->net, DEFAULT_TX_CSUM_ENABLE);
- ret = smsc75xx_set_rx_csum_offload(dev);
- check_warn_return(ret, "Failed to set rx csum offload: %d", ret);
-
- smsc75xx_ethtool_set_tso(dev->net, DEFAULT_TSO_ENABLE);
+ smsc75xx_set_features(dev->net, dev->net->features);
smsc75xx_set_multicast(dev->net);
ret = smsc75xx_phy_initialize(dev);
- check_warn_return(ret, "Failed to initialize PHY: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to initialize PHY: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, INT_EP_CTL, &buf);
- check_warn_return(ret, "Failed to read INT_EP_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read INT_EP_CTL: %d\n", ret);
+ return ret;
+ }
/* enable PHY interrupts */
buf |= INT_ENP_PHY_INT;
ret = smsc75xx_write_reg(dev, INT_EP_CTL, buf);
- check_warn_return(ret, "Failed to write INT_EP_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write INT_EP_CTL: %d\n", ret);
+ return ret;
+ }
+
+ /* allow mac to detect speed and duplex from phy */
+ ret = smsc75xx_read_reg(dev, MAC_CR, &buf);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MAC_CR: %d\n", ret);
+ return ret;
+ }
+
+ buf |= (MAC_CR_ADD | MAC_CR_ASD);
+ ret = smsc75xx_write_reg(dev, MAC_CR, buf);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_CR: %d\n", ret);
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, MAC_TX, &buf);
- check_warn_return(ret, "Failed to read MAC_TX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MAC_TX: %d\n", ret);
+ return ret;
+ }
buf |= MAC_TX_TXEN;
ret = smsc75xx_write_reg(dev, MAC_TX, buf);
- check_warn_return(ret, "Failed to write MAC_TX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_TX: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "MAC_TX set to 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "MAC_TX set to 0x%08x\n", buf);
ret = smsc75xx_read_reg(dev, FCT_TX_CTL, &buf);
- check_warn_return(ret, "Failed to read FCT_TX_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read FCT_TX_CTL: %d\n", ret);
+ return ret;
+ }
buf |= FCT_TX_CTL_EN;
ret = smsc75xx_write_reg(dev, FCT_TX_CTL, buf);
- check_warn_return(ret, "Failed to write FCT_TX_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FCT_TX_CTL: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "FCT_TX_CTL set to 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "FCT_TX_CTL set to 0x%08x\n", buf);
- ret = smsc75xx_set_rx_max_frame_length(dev, 1514);
- check_warn_return(ret, "Failed to set max rx frame length");
+ ret = smsc75xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to set max rx frame length\n");
+ return ret;
+ }
ret = smsc75xx_read_reg(dev, MAC_RX, &buf);
- check_warn_return(ret, "Failed to read MAC_RX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MAC_RX: %d\n", ret);
+ return ret;
+ }
buf |= MAC_RX_RXEN;
ret = smsc75xx_write_reg(dev, MAC_RX, buf);
- check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_RX: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "MAC_RX set to 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "MAC_RX set to 0x%08x\n", buf);
ret = smsc75xx_read_reg(dev, FCT_RX_CTL, &buf);
- check_warn_return(ret, "Failed to read FCT_RX_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read FCT_RX_CTL: %d\n", ret);
+ return ret;
+ }
buf |= FCT_RX_CTL_EN;
ret = smsc75xx_write_reg(dev, FCT_RX_CTL, buf);
- check_warn_return(ret, "Failed to write FCT_RX_CTL: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FCT_RX_CTL: %d\n", ret);
+ return ret;
+ }
- netif_dbg(dev, ifup, dev->net, "FCT_RX_CTL set to 0x%08x", buf);
+ netif_dbg(dev, ifup, dev->net, "FCT_RX_CTL set to 0x%08x\n", buf);
- netif_dbg(dev, ifup, dev->net, "smsc75xx_reset, return 0");
+ netif_dbg(dev, ifup, dev->net, "smsc75xx_reset, return 0\n");
return 0;
}
@@ -1036,7 +1376,8 @@ static const struct net_device_ops smsc75xx_netdev_ops = {
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = smsc75xx_ioctl,
- .ndo_set_multicast_list = smsc75xx_set_multicast,
+ .ndo_set_rx_mode = smsc75xx_set_multicast,
+ .ndo_set_features = smsc75xx_set_features,
};
static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
@@ -1047,16 +1388,17 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");
ret = usbnet_get_endpoints(dev, intf);
- check_warn_return(ret, "usbnet_get_endpoints failed: %d", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "usbnet_get_endpoints failed: %d\n", ret);
+ return ret;
+ }
dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc75xx_priv),
- GFP_KERNEL);
+ GFP_KERNEL);
pdata = (struct smsc75xx_priv *)(dev->data[0]);
- if (!pdata) {
- netdev_warn(dev->net, "Unable to allocate smsc75xx_priv");
+ if (!pdata)
return -ENOMEM;
- }
pdata->dev = dev;
@@ -1065,18 +1407,35 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write);
- pdata->use_rx_csum = DEFAULT_RX_CSUM_ENABLE;
+ if (DEFAULT_TX_CSUM_ENABLE)
+ dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
+
+ if (DEFAULT_RX_CSUM_ENABLE)
+ dev->net->features |= NETIF_F_RXCSUM;
+
+ dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
+ NETIF_F_RXCSUM;
+
+ ret = smsc75xx_wait_ready(dev, 0);
+ if (ret < 0) {
+ netdev_warn(dev->net, "device not ready in smsc75xx_bind\n");
+ return ret;
+ }
- /* We have to advertise SG otherwise TSO cannot be enabled */
- dev->net->features |= NETIF_F_SG;
+ smsc75xx_init_mac_address(dev);
/* Init all registers */
ret = smsc75xx_reset(dev);
+ if (ret < 0) {
+ netdev_warn(dev->net, "smsc75xx_reset error %d\n", ret);
+ return ret;
+ }
dev->net->netdev_ops = &smsc75xx_netdev_ops;
dev->net->ethtool_ops = &smsc75xx_ethtool_ops;
dev->net->flags |= IFF_MULTICAST;
dev->net->hard_header_len += SMSC75XX_TX_OVERHEAD;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
return 0;
}
@@ -1084,17 +1443,660 @@ static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
if (pdata) {
- netif_dbg(dev, ifdown, dev->net, "free pdata");
+ netif_dbg(dev, ifdown, dev->net, "free pdata\n");
kfree(pdata);
pdata = NULL;
dev->data[0] = 0;
}
}
-static void smsc75xx_rx_csum_offload(struct sk_buff *skb, u32 rx_cmd_a,
- u32 rx_cmd_b)
+static u16 smsc_crc(const u8 *buffer, size_t len)
+{
+ return bitrev16(crc16(0xFFFF, buffer, len));
+}
+
+static int smsc75xx_write_wuff(struct usbnet *dev, int filter, u32 wuf_cfg,
+ u32 wuf_mask1)
+{
+ int cfg_base = WUF_CFGX + filter * 4;
+ int mask_base = WUF_MASKX + filter * 16;
+ int ret;
+
+ ret = smsc75xx_write_reg(dev, cfg_base, wuf_cfg);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUF_CFGX\n");
+ return ret;
+ }
+
+ ret = smsc75xx_write_reg(dev, mask_base, wuf_mask1);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUF_MASKX\n");
+ return ret;
+ }
+
+ ret = smsc75xx_write_reg(dev, mask_base + 4, 0);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUF_MASKX\n");
+ return ret;
+ }
+
+ ret = smsc75xx_write_reg(dev, mask_base + 8, 0);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUF_MASKX\n");
+ return ret;
+ }
+
+ ret = smsc75xx_write_reg(dev, mask_base + 12, 0);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUF_MASKX\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int smsc75xx_enter_suspend0(struct usbnet *dev)
+{
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ u32 val;
+ int ret;
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ return ret;
+ }
+
+ val &= (~(PMT_CTL_SUS_MODE | PMT_CTL_PHY_RST));
+ val |= PMT_CTL_SUS_MODE_0 | PMT_CTL_WOL_EN | PMT_CTL_WUPS;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND0;
+
+ return 0;
+}
+
+static int smsc75xx_enter_suspend1(struct usbnet *dev)
+{
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ u32 val;
+ int ret;
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ return ret;
+ }
+
+ val &= ~(PMT_CTL_SUS_MODE | PMT_CTL_WUPS | PMT_CTL_PHY_RST);
+ val |= PMT_CTL_SUS_MODE_1;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+
+ /* clear wol status, enable energy detection */
+ val &= ~PMT_CTL_WUPS;
+ val |= (PMT_CTL_WUPS_ED | PMT_CTL_ED_EN);
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND1;
+
+ return 0;
+}
+
+static int smsc75xx_enter_suspend2(struct usbnet *dev)
{
- if (unlikely(rx_cmd_a & RX_CMD_A_LCSM)) {
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ u32 val;
+ int ret;
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ return ret;
+ }
+
+ val &= ~(PMT_CTL_SUS_MODE | PMT_CTL_WUPS | PMT_CTL_PHY_RST);
+ val |= PMT_CTL_SUS_MODE_2;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND2;
+
+ return 0;
+}
+
+static int smsc75xx_enter_suspend3(struct usbnet *dev)
+{
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ u32 val;
+ int ret;
+
+ ret = smsc75xx_read_reg_nopm(dev, FCT_RX_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading FCT_RX_CTL\n");
+ return ret;
+ }
+
+ if (val & FCT_RX_CTL_RXUSED) {
+ netdev_dbg(dev->net, "rx fifo not empty in autosuspend\n");
+ return -EBUSY;
+ }
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ return ret;
+ }
+
+ val &= ~(PMT_CTL_SUS_MODE | PMT_CTL_WUPS | PMT_CTL_PHY_RST);
+ val |= PMT_CTL_SUS_MODE_3 | PMT_CTL_RES_CLR_WKP_EN;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+
+ /* clear wol status */
+ val &= ~PMT_CTL_WUPS;
+ val |= PMT_CTL_WUPS_WOL;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND3;
+
+ return 0;
+}
+
+static int smsc75xx_enable_phy_wakeup_interrupts(struct usbnet *dev, u16 mask)
+{
+ struct mii_if_info *mii = &dev->mii;
+ int ret;
+
+ netdev_dbg(dev->net, "enabling PHY wakeup interrupts\n");
+
+ /* read to clear */
+ ret = smsc75xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_INT_SRC);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_INT_SRC\n");
+ return ret;
+ }
+
+ /* enable interrupt source */
+ ret = smsc75xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_INT_MASK);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_INT_MASK\n");
+ return ret;
+ }
+
+ ret |= mask;
+
+ smsc75xx_mdio_write_nopm(dev->net, mii->phy_id, PHY_INT_MASK, ret);
+
+ return 0;
+}
+
+static int smsc75xx_link_ok_nopm(struct usbnet *dev)
+{
+ struct mii_if_info *mii = &dev->mii;
+ int ret;
+
+ /* first, a dummy read, needed to latch some MII phys */
+ ret = smsc75xx_mdio_read_nopm(dev->net, mii->phy_id, MII_BMSR);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_BMSR\n");
+ return ret;
+ }
+
+ ret = smsc75xx_mdio_read_nopm(dev->net, mii->phy_id, MII_BMSR);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_BMSR\n");
+ return ret;
+ }
+
+ return !!(ret & BMSR_LSTATUS);
+}
+
+static int smsc75xx_autosuspend(struct usbnet *dev, u32 link_up)
+{
+ int ret;
+
+ if (!netif_running(dev->net)) {
+ /* interface is ifconfig down so fully power down hw */
+ netdev_dbg(dev->net, "autosuspend entering SUSPEND2\n");
+ return smsc75xx_enter_suspend2(dev);
+ }
+
+ if (!link_up) {
+ /* link is down so enter EDPD mode */
+ netdev_dbg(dev->net, "autosuspend entering SUSPEND1\n");
+
+ /* enable PHY wakeup events for if cable is attached */
+ ret = smsc75xx_enable_phy_wakeup_interrupts(dev,
+ PHY_INT_MASK_ANEG_COMP);
+ if (ret < 0) {
+ netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
+ return ret;
+ }
+
+ netdev_info(dev->net, "entering SUSPEND1 mode\n");
+ return smsc75xx_enter_suspend1(dev);
+ }
+
+ /* enable PHY wakeup events so we remote wakeup if cable is pulled */
+ ret = smsc75xx_enable_phy_wakeup_interrupts(dev,
+ PHY_INT_MASK_LINK_DOWN);
+ if (ret < 0) {
+ netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
+ return ret;
+ }
+
+ netdev_dbg(dev->net, "autosuspend entering SUSPEND3\n");
+ return smsc75xx_enter_suspend3(dev);
+}
+
+static int smsc75xx_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ u32 val, link_up;
+ int ret;
+
+ ret = usbnet_suspend(intf, message);
+ if (ret < 0) {
+ netdev_warn(dev->net, "usbnet_suspend error\n");
+ return ret;
+ }
+
+ if (pdata->suspend_flags) {
+ netdev_warn(dev->net, "error during last resume\n");
+ pdata->suspend_flags = 0;
+ }
+
+ /* determine if link is up using only _nopm functions */
+ link_up = smsc75xx_link_ok_nopm(dev);
+
+ if (message.event == PM_EVENT_AUTO_SUSPEND) {
+ ret = smsc75xx_autosuspend(dev, link_up);
+ goto done;
+ }
+
+ /* if we get this far we're not autosuspending */
+ /* if no wol options set, or if link is down and we're not waking on
+ * PHY activity, enter lowest power SUSPEND2 mode
+ */
+ if (!(pdata->wolopts & SUPPORTED_WAKE) ||
+ !(link_up || (pdata->wolopts & WAKE_PHY))) {
+ netdev_info(dev->net, "entering SUSPEND2 mode\n");
+
+ /* disable energy detect (link up) & wake up events */
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val &= ~(WUCSR_MPEN | WUCSR_WUEN);
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ goto done;
+ }
+
+ val &= ~(PMT_CTL_ED_EN | PMT_CTL_WOL_EN);
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ goto done;
+ }
+
+ ret = smsc75xx_enter_suspend2(dev);
+ goto done;
+ }
+
+ if (pdata->wolopts & WAKE_PHY) {
+ ret = smsc75xx_enable_phy_wakeup_interrupts(dev,
+ (PHY_INT_MASK_ANEG_COMP | PHY_INT_MASK_LINK_DOWN));
+ if (ret < 0) {
+ netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
+ goto done;
+ }
+
+ /* if link is down then configure EDPD and enter SUSPEND1,
+ * otherwise enter SUSPEND0 below
+ */
+ if (!link_up) {
+ struct mii_if_info *mii = &dev->mii;
+ netdev_info(dev->net, "entering SUSPEND1 mode\n");
+
+ /* enable energy detect power-down mode */
+ ret = smsc75xx_mdio_read_nopm(dev->net, mii->phy_id,
+ PHY_MODE_CTRL_STS);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_MODE_CTRL_STS\n");
+ goto done;
+ }
+
+ ret |= MODE_CTRL_STS_EDPWRDOWN;
+
+ smsc75xx_mdio_write_nopm(dev->net, mii->phy_id,
+ PHY_MODE_CTRL_STS, ret);
+
+ /* enter SUSPEND1 mode */
+ ret = smsc75xx_enter_suspend1(dev);
+ goto done;
+ }
+ }
+
+ if (pdata->wolopts & (WAKE_MCAST | WAKE_ARP)) {
+ int i, filter = 0;
+
+ /* disable all filters */
+ for (i = 0; i < WUF_NUM; i++) {
+ ret = smsc75xx_write_reg_nopm(dev, WUF_CFGX + i * 4, 0);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUF_CFGX\n");
+ goto done;
+ }
+ }
+
+ if (pdata->wolopts & WAKE_MCAST) {
+ const u8 mcast[] = {0x01, 0x00, 0x5E};
+ netdev_info(dev->net, "enabling multicast detection\n");
+
+ val = WUF_CFGX_EN | WUF_CFGX_ATYPE_MULTICAST
+ | smsc_crc(mcast, 3);
+ ret = smsc75xx_write_wuff(dev, filter++, val, 0x0007);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing wakeup filter\n");
+ goto done;
+ }
+ }
+
+ if (pdata->wolopts & WAKE_ARP) {
+ const u8 arp[] = {0x08, 0x06};
+ netdev_info(dev->net, "enabling ARP detection\n");
+
+ val = WUF_CFGX_EN | WUF_CFGX_ATYPE_ALL | (0x0C << 16)
+ | smsc_crc(arp, 2);
+ ret = smsc75xx_write_wuff(dev, filter++, val, 0x0003);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing wakeup filter\n");
+ goto done;
+ }
+ }
+
+ /* clear any pending pattern match packet status */
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val |= WUCSR_WUFR;
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+
+ netdev_info(dev->net, "enabling packet match detection\n");
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val |= WUCSR_WUEN;
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+ } else {
+ netdev_info(dev->net, "disabling packet match detection\n");
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val &= ~WUCSR_WUEN;
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+ }
+
+ /* disable magic, bcast & unicast wakeup sources */
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val &= ~(WUCSR_MPEN | WUCSR_BCST_EN | WUCSR_PFDA_EN);
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+
+ if (pdata->wolopts & WAKE_PHY) {
+ netdev_info(dev->net, "enabling PHY wakeup\n");
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ goto done;
+ }
+
+ /* clear wol status, enable energy detection */
+ val &= ~PMT_CTL_WUPS;
+ val |= (PMT_CTL_WUPS_ED | PMT_CTL_ED_EN);
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ goto done;
+ }
+ }
+
+ if (pdata->wolopts & WAKE_MAGIC) {
+ netdev_info(dev->net, "enabling magic packet wakeup\n");
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ /* clear any pending magic packet status */
+ val |= WUCSR_MPR | WUCSR_MPEN;
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+ }
+
+ if (pdata->wolopts & WAKE_BCAST) {
+ netdev_info(dev->net, "enabling broadcast detection\n");
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val |= WUCSR_BCAST_FR | WUCSR_BCST_EN;
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+ }
+
+ if (pdata->wolopts & WAKE_UCAST) {
+ netdev_info(dev->net, "enabling unicast detection\n");
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
+
+ val |= WUCSR_WUFR | WUCSR_PFDA_EN;
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
+ }
+
+ /* enable receiver to enable frame reception */
+ ret = smsc75xx_read_reg_nopm(dev, MAC_RX, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MAC_RX: %d\n", ret);
+ goto done;
+ }
+
+ val |= MAC_RX_RXEN;
+
+ ret = smsc75xx_write_reg_nopm(dev, MAC_RX, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_RX: %d\n", ret);
+ goto done;
+ }
+
+ /* some wol options are enabled, so enter SUSPEND0 */
+ netdev_info(dev->net, "entering SUSPEND0 mode\n");
+ ret = smsc75xx_enter_suspend0(dev);
+
+done:
+ /*
+ * TODO: resume() might need to handle the suspend failure
+ * in system sleep
+ */
+ if (ret && PMSG_IS_AUTO(message))
+ usbnet_resume(intf);
+ return ret;
+}
+
+static int smsc75xx_resume(struct usb_interface *intf)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+ struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ u8 suspend_flags = pdata->suspend_flags;
+ int ret;
+ u32 val;
+
+ netdev_dbg(dev->net, "resume suspend_flags=0x%02x\n", suspend_flags);
+
+ /* do this first to ensure it's cleared even in error case */
+ pdata->suspend_flags = 0;
+
+ if (suspend_flags & SUSPEND_ALLMODES) {
+ /* Disable wakeup sources */
+ ret = smsc75xx_read_reg_nopm(dev, WUCSR, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ return ret;
+ }
+
+ val &= ~(WUCSR_WUEN | WUCSR_MPEN | WUCSR_PFDA_EN
+ | WUCSR_BCST_EN);
+
+ ret = smsc75xx_write_reg_nopm(dev, WUCSR, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ return ret;
+ }
+
+ /* clear wake-up status */
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ return ret;
+ }
+
+ val &= ~PMT_CTL_WOL_EN;
+ val |= PMT_CTL_WUPS;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+ }
+
+ if (suspend_flags & SUSPEND_SUSPEND2) {
+ netdev_info(dev->net, "resuming from SUSPEND2\n");
+
+ ret = smsc75xx_read_reg_nopm(dev, PMT_CTL, &val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PMT_CTL\n");
+ return ret;
+ }
+
+ val |= PMT_CTL_PHY_PWRUP;
+
+ ret = smsc75xx_write_reg_nopm(dev, PMT_CTL, val);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PMT_CTL\n");
+ return ret;
+ }
+ }
+
+ ret = smsc75xx_wait_ready(dev, 1);
+ if (ret < 0) {
+ netdev_warn(dev->net, "device not ready in smsc75xx_resume\n");
+ return ret;
+ }
+
+ return usbnet_resume(intf);
+}
+
+static void smsc75xx_rx_csum_offload(struct usbnet *dev, struct sk_buff *skb,
+ u32 rx_cmd_a, u32 rx_cmd_b)
+{
+ if (!(dev->net->features & NETIF_F_RXCSUM) ||
+ unlikely(rx_cmd_a & RX_CMD_A_LCSM)) {
skb->ip_summed = CHECKSUM_NONE;
} else {
skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT));
@@ -1104,7 +2106,9 @@ static void smsc75xx_rx_csum_offload(struct sk_buff *skb, u32 rx_cmd_a,
static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
- struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+ /* This check is no longer done by usbnet */
+ if (skb->len < dev->net->hard_header_len)
+ return 0;
while (skb->len > 0) {
u32 rx_cmd_a, rx_cmd_b, align_count, size;
@@ -1117,17 +2121,17 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
le32_to_cpus(&rx_cmd_b);
- skb_pull(skb, 4 + NET_IP_ALIGN);
+ skb_pull(skb, 4 + RXW_PADDING);
packet = skb->data;
/* get the packet length */
- size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN;
- align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+ size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
+ align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
netif_dbg(dev, rx_err, dev->net,
- "Error rx_cmd_a=0x%08x", rx_cmd_a);
+ "Error rx_cmd_a=0x%08x\n", rx_cmd_a);
dev->net->stats.rx_errors++;
dev->net->stats.rx_dropped++;
@@ -1136,20 +2140,18 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
else if (rx_cmd_a & (RX_CMD_A_LONG | RX_CMD_A_RUNT))
dev->net->stats.rx_frame_errors++;
} else {
- /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */
- if (unlikely(size > (ETH_FRAME_LEN + 12))) {
+ /* MAX_SINGLE_PACKET_SIZE + 4(CRC) + 2(COE) + 4(Vlan) */
+ if (unlikely(size > (MAX_SINGLE_PACKET_SIZE + ETH_HLEN + 12))) {
netif_dbg(dev, rx_err, dev->net,
- "size err rx_cmd_a=0x%08x", rx_cmd_a);
+ "size err rx_cmd_a=0x%08x\n",
+ rx_cmd_a);
return 0;
}
/* last frame in this batch */
if (skb->len == size) {
- if (pdata->use_rx_csum)
- smsc75xx_rx_csum_offload(skb, rx_cmd_a,
- rx_cmd_b);
- else
- skb->ip_summed = CHECKSUM_NONE;
+ smsc75xx_rx_csum_offload(dev, skb, rx_cmd_a,
+ rx_cmd_b);
skb_trim(skb, skb->len - 4); /* remove fcs */
skb->truesize = size + sizeof(struct sk_buff);
@@ -1159,7 +2161,7 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
ax_skb = skb_clone(skb, GFP_ATOMIC);
if (unlikely(!ax_skb)) {
- netdev_warn(dev->net, "Error allocating skb");
+ netdev_warn(dev->net, "Error allocating skb\n");
return 0;
}
@@ -1167,11 +2169,8 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
ax_skb->data = packet;
skb_set_tail_pointer(ax_skb, size);
- if (pdata->use_rx_csum)
- smsc75xx_rx_csum_offload(ax_skb, rx_cmd_a,
- rx_cmd_b);
- else
- ax_skb->ip_summed = CHECKSUM_NONE;
+ smsc75xx_rx_csum_offload(dev, ax_skb, rx_cmd_a,
+ rx_cmd_b);
skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
ax_skb->truesize = size + sizeof(struct sk_buff);
@@ -1187,7 +2186,7 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
}
if (unlikely(skb->len < 0)) {
- netdev_warn(dev->net, "invalid rx length<0 %d", skb->len);
+ netdev_warn(dev->net, "invalid rx length<0 %d\n", skb->len);
return 0;
}
@@ -1199,8 +2198,6 @@ static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev,
{
u32 tx_cmd_a, tx_cmd_b;
- skb_linearize(skb);
-
if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) {
struct sk_buff *skb2 =
skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags);
@@ -1235,6 +2232,12 @@ static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev,
return skb;
}
+static int smsc75xx_manage_power(struct usbnet *dev, int on)
+{
+ dev->intf->needs_remote_wakeup = on;
+ return 0;
+}
+
static const struct driver_info smsc75xx_info = {
.description = "smsc75xx USB 2.0 Gigabit Ethernet",
.bind = smsc75xx_bind,
@@ -1244,7 +2247,8 @@ static const struct driver_info smsc75xx_info = {
.rx_fixup = smsc75xx_rx_fixup,
.tx_fixup = smsc75xx_tx_fixup,
.status = smsc75xx_status,
- .flags = FLAG_ETHER | FLAG_SEND_ZLP,
+ .manage_power = smsc75xx_manage_power,
+ .flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
};
static const struct usb_device_id products[] = {
@@ -1266,24 +2270,17 @@ static struct usb_driver smsc75xx_driver = {
.name = SMSC_CHIPNAME,
.id_table = products,
.probe = usbnet_probe,
- .suspend = usbnet_suspend,
- .resume = usbnet_resume,
+ .suspend = smsc75xx_suspend,
+ .resume = smsc75xx_resume,
+ .reset_resume = smsc75xx_resume,
.disconnect = usbnet_disconnect,
+ .disable_hub_initiated_lpm = 1,
+ .supports_autosuspend = 1,
};
-static int __init smsc75xx_init(void)
-{
- return usb_register(&smsc75xx_driver);
-}
-module_init(smsc75xx_init);
-
-static void __exit smsc75xx_exit(void)
-{
- usb_deregister(&smsc75xx_driver);
-}
-module_exit(smsc75xx_exit);
+module_usb_driver(smsc75xx_driver);
MODULE_AUTHOR("Nancy Lin");
-MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
+MODULE_AUTHOR("Steve Glendinning <steve.glendinning@shawell.net>");
MODULE_DESCRIPTION("SMSC75XX USB 2.0 Gigabit Ethernet Devices");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 19:53:14 +0000