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Diffstat (limited to 'ANDROID_3.4.5/drivers/net/usb/smsc95xx.c')
-rw-r--r--ANDROID_3.4.5/drivers/net/usb/smsc95xx.c1307
1 files changed, 0 insertions, 1307 deletions
diff --git a/ANDROID_3.4.5/drivers/net/usb/smsc95xx.c b/ANDROID_3.4.5/drivers/net/usb/smsc95xx.c
deleted file mode 100644
index 94ae6699..00000000
--- a/ANDROID_3.4.5/drivers/net/usb/smsc95xx.c
+++ /dev/null
@@ -1,1307 +0,0 @@
- /***************************************************************************
- *
- * Copyright (C) 2007-2008 SMSC
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- *****************************************************************************/
-
-#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/crc32.h>
-#include <linux/usb/usbnet.h>
-#include <linux/slab.h>
-#include "smsc95xx.h"
-
-#define SMSC_CHIPNAME "smsc95xx"
-#define SMSC_DRIVER_VERSION "1.0.4"
-#define HS_USB_PKT_SIZE (512)
-#define FS_USB_PKT_SIZE (64)
-#define DEFAULT_HS_BURST_CAP_SIZE (16 * 1024 + 5 * HS_USB_PKT_SIZE)
-#define DEFAULT_FS_BURST_CAP_SIZE (6 * 1024 + 33 * FS_USB_PKT_SIZE)
-#define DEFAULT_BULK_IN_DELAY (0x00002000)
-#define MAX_SINGLE_PACKET_SIZE (2048)
-#define LAN95XX_EEPROM_MAGIC (0x9500)
-#define EEPROM_MAC_OFFSET (0x01)
-#define DEFAULT_TX_CSUM_ENABLE (true)
-#define DEFAULT_RX_CSUM_ENABLE (true)
-#define SMSC95XX_INTERNAL_PHY_ID (1)
-#define SMSC95XX_TX_OVERHEAD (8)
-#define SMSC95XX_TX_OVERHEAD_CSUM (12)
-
-struct smsc95xx_priv {
- u32 mac_cr;
- u32 hash_hi;
- u32 hash_lo;
- spinlock_t mac_cr_lock;
-};
-
-struct usb_context {
- struct usb_ctrlrequest req;
- struct usbnet *dev;
-};
-
-static bool turbo_mode = true;
-module_param(turbo_mode, bool, 0644);
-MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
-
-static int smsc95xx_read_reg(struct usbnet *dev, u32 index, u32 *data)
-{
- u32 *buf = kmalloc(4, GFP_KERNEL);
- int ret;
-
- 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 (unlikely(ret < 0))
- netdev_warn(dev->net, "Failed to read register index 0x%08x\n", index);
-
- le32_to_cpus(buf);
- *data = *buf;
- kfree(buf);
-
- return ret;
-}
-
-static int smsc95xx_write_reg(struct usbnet *dev, u32 index, u32 data)
-{
- u32 *buf = kmalloc(4, GFP_KERNEL);
- int ret;
-
- BUG_ON(!dev);
-
- if (!buf)
- return -ENOMEM;
-
- *buf = data;
- cpu_to_le32s(buf);
-
- 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);
-
- if (unlikely(ret < 0))
- netdev_warn(dev->net, "Failed to write register index 0x%08x\n", index);
-
- kfree(buf);
-
- return ret;
-}
-
-/* Loop until the read is completed with timeout
- * called with phy_mutex held */
-static int smsc95xx_phy_wait_not_busy(struct usbnet *dev)
-{
- unsigned long start_time = jiffies;
- u32 val;
-
- do {
- smsc95xx_read_reg(dev, MII_ADDR, &val);
- if (!(val & MII_BUSY_))
- return 0;
- } while (!time_after(jiffies, start_time + HZ));
-
- return -EIO;
-}
-
-static int smsc95xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
-{
- struct usbnet *dev = netdev_priv(netdev);
- u32 val, addr;
-
- mutex_lock(&dev->phy_mutex);
-
- /* confirm MII not busy */
- if (smsc95xx_phy_wait_not_busy(dev)) {
- netdev_warn(dev->net, "MII is busy in smsc95xx_mdio_read\n");
- mutex_unlock(&dev->phy_mutex);
- return -EIO;
- }
-
- /* set the address, index & direction (read from PHY) */
- phy_id &= dev->mii.phy_id_mask;
- idx &= dev->mii.reg_num_mask;
- addr = (phy_id << 11) | (idx << 6) | MII_READ_;
- smsc95xx_write_reg(dev, MII_ADDR, addr);
-
- if (smsc95xx_phy_wait_not_busy(dev)) {
- netdev_warn(dev->net, "Timed out reading MII reg %02X\n", idx);
- mutex_unlock(&dev->phy_mutex);
- return -EIO;
- }
-
- smsc95xx_read_reg(dev, MII_DATA, &val);
-
- mutex_unlock(&dev->phy_mutex);
-
- return (u16)(val & 0xFFFF);
-}
-
-static void smsc95xx_mdio_write(struct net_device *netdev, int phy_id, int idx,
- int regval)
-{
- struct usbnet *dev = netdev_priv(netdev);
- u32 val, addr;
-
- mutex_lock(&dev->phy_mutex);
-
- /* confirm MII not busy */
- if (smsc95xx_phy_wait_not_busy(dev)) {
- netdev_warn(dev->net, "MII is busy in smsc95xx_mdio_write\n");
- mutex_unlock(&dev->phy_mutex);
- return;
- }
-
- val = regval;
- smsc95xx_write_reg(dev, MII_DATA, val);
-
- /* set the address, index & direction (write to PHY) */
- phy_id &= dev->mii.phy_id_mask;
- idx &= dev->mii.reg_num_mask;
- addr = (phy_id << 11) | (idx << 6) | MII_WRITE_;
- smsc95xx_write_reg(dev, MII_ADDR, addr);
-
- if (smsc95xx_phy_wait_not_busy(dev))
- netdev_warn(dev->net, "Timed out writing MII reg %02X\n", idx);
-
- mutex_unlock(&dev->phy_mutex);
-}
-
-static int smsc95xx_wait_eeprom(struct usbnet *dev)
-{
- unsigned long start_time = jiffies;
- u32 val;
-
- do {
- smsc95xx_read_reg(dev, E2P_CMD, &val);
- if (!(val & E2P_CMD_BUSY_) || (val & E2P_CMD_TIMEOUT_))
- break;
- udelay(40);
- } while (!time_after(jiffies, start_time + HZ));
-
- if (val & (E2P_CMD_TIMEOUT_ | E2P_CMD_BUSY_)) {
- netdev_warn(dev->net, "EEPROM read operation timeout\n");
- return -EIO;
- }
-
- return 0;
-}
-
-static int smsc95xx_eeprom_confirm_not_busy(struct usbnet *dev)
-{
- unsigned long start_time = jiffies;
- u32 val;
-
- do {
- smsc95xx_read_reg(dev, E2P_CMD, &val);
-
- if (!(val & E2P_CMD_BUSY_))
- return 0;
-
- udelay(40);
- } while (!time_after(jiffies, start_time + HZ));
-
- netdev_warn(dev->net, "EEPROM is busy\n");
- return -EIO;
-}
-
-static int smsc95xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length,
- u8 *data)
-{
- u32 val;
- int i, ret;
-
- BUG_ON(!dev);
- BUG_ON(!data);
-
- ret = smsc95xx_eeprom_confirm_not_busy(dev);
- if (ret)
- return ret;
-
- for (i = 0; i < length; i++) {
- val = E2P_CMD_BUSY_ | E2P_CMD_READ_ | (offset & E2P_CMD_ADDR_);
- smsc95xx_write_reg(dev, E2P_CMD, val);
-
- ret = smsc95xx_wait_eeprom(dev);
- if (ret < 0)
- return ret;
-
- smsc95xx_read_reg(dev, E2P_DATA, &val);
-
- data[i] = val & 0xFF;
- offset++;
- }
-
- return 0;
-}
-
-static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
- u8 *data)
-{
- u32 val;
- int i, ret;
-
- BUG_ON(!dev);
- BUG_ON(!data);
-
- ret = smsc95xx_eeprom_confirm_not_busy(dev);
- if (ret)
- return ret;
-
- /* Issue write/erase enable command */
- val = E2P_CMD_BUSY_ | E2P_CMD_EWEN_;
- smsc95xx_write_reg(dev, E2P_CMD, val);
-
- ret = smsc95xx_wait_eeprom(dev);
- if (ret < 0)
- return ret;
-
- for (i = 0; i < length; i++) {
-
- /* Fill data register */
- val = data[i];
- smsc95xx_write_reg(dev, E2P_DATA, val);
-
- /* Send "write" command */
- val = E2P_CMD_BUSY_ | E2P_CMD_WRITE_ | (offset & E2P_CMD_ADDR_);
- smsc95xx_write_reg(dev, E2P_CMD, val);
-
- ret = smsc95xx_wait_eeprom(dev);
- if (ret < 0)
- return ret;
-
- offset++;
- }
-
- return 0;
-}
-
-static void smsc95xx_async_cmd_callback(struct urb *urb)
-{
- struct usb_context *usb_context = urb->context;
- struct usbnet *dev = usb_context->dev;
- int status = urb->status;
-
- if (status < 0)
- netdev_warn(dev->net, "async callback failed with %d\n", status);
-
- kfree(usb_context);
- usb_free_urb(urb);
-}
-
-static int smsc95xx_write_reg_async(struct usbnet *dev, u16 index, u32 *data)
-{
- struct usb_context *usb_context;
- int status;
- struct urb *urb;
- const u16 size = 4;
-
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb) {
- netdev_warn(dev->net, "Error allocating URB\n");
- return -ENOMEM;
- }
-
- usb_context = kmalloc(sizeof(struct usb_context), GFP_ATOMIC);
- if (usb_context == NULL) {
- netdev_warn(dev->net, "Error allocating control msg\n");
- usb_free_urb(urb);
- return -ENOMEM;
- }
-
- usb_context->req.bRequestType =
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
- usb_context->req.bRequest = USB_VENDOR_REQUEST_WRITE_REGISTER;
- usb_context->req.wValue = 00;
- usb_context->req.wIndex = cpu_to_le16(index);
- usb_context->req.wLength = cpu_to_le16(size);
-
- usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0),
- (void *)&usb_context->req, data, size,
- smsc95xx_async_cmd_callback,
- (void *)usb_context);
-
- status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status < 0) {
- netdev_warn(dev->net, "Error submitting control msg, sts=%d\n",
- status);
- kfree(usb_context);
- usb_free_urb(urb);
- }
-
- return status;
-}
-
-/* returns hash bit number for given MAC address
- * example:
- * 01 00 5E 00 00 01 -> returns bit number 31 */
-static unsigned int smsc95xx_hash(char addr[ETH_ALEN])
-{
- return (ether_crc(ETH_ALEN, addr) >> 26) & 0x3f;
-}
-
-static void smsc95xx_set_multicast(struct net_device *netdev)
-{
- struct usbnet *dev = netdev_priv(netdev);
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
- unsigned long flags;
-
- pdata->hash_hi = 0;
- pdata->hash_lo = 0;
-
- spin_lock_irqsave(&pdata->mac_cr_lock, flags);
-
- if (dev->net->flags & IFF_PROMISC) {
- netif_dbg(dev, drv, dev->net, "promiscuous mode enabled\n");
- pdata->mac_cr |= MAC_CR_PRMS_;
- pdata->mac_cr &= ~(MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
- } else if (dev->net->flags & IFF_ALLMULTI) {
- netif_dbg(dev, drv, dev->net, "receive all multicast enabled\n");
- pdata->mac_cr |= MAC_CR_MCPAS_;
- pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_HPFILT_);
- } else if (!netdev_mc_empty(dev->net)) {
- struct netdev_hw_addr *ha;
-
- pdata->mac_cr |= MAC_CR_HPFILT_;
- pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
-
- netdev_for_each_mc_addr(ha, netdev) {
- u32 bitnum = smsc95xx_hash(ha->addr);
- u32 mask = 0x01 << (bitnum & 0x1F);
- if (bitnum & 0x20)
- pdata->hash_hi |= mask;
- else
- pdata->hash_lo |= mask;
- }
-
- netif_dbg(dev, drv, dev->net, "HASHH=0x%08X, HASHL=0x%08X\n",
- pdata->hash_hi, pdata->hash_lo);
- } else {
- netif_dbg(dev, drv, dev->net, "receive own packets only\n");
- pdata->mac_cr &=
- ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
- }
-
- spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
-
- /* Initiate async writes, as we can't wait for completion here */
- smsc95xx_write_reg_async(dev, HASHH, &pdata->hash_hi);
- smsc95xx_write_reg_async(dev, HASHL, &pdata->hash_lo);
- smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr);
-}
-
-static void smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
- u16 lcladv, u16 rmtadv)
-{
- u32 flow, afc_cfg = 0;
-
- int ret = smsc95xx_read_reg(dev, AFC_CFG, &afc_cfg);
- if (ret < 0) {
- netdev_warn(dev->net, "error reading AFC_CFG\n");
- return;
- }
-
- if (duplex == DUPLEX_FULL) {
- u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
-
- if (cap & FLOW_CTRL_RX)
- flow = 0xFFFF0002;
- else
- flow = 0;
-
- if (cap & FLOW_CTRL_TX)
- afc_cfg |= 0xF;
- else
- afc_cfg &= ~0xF;
-
- 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\n");
- flow = 0;
- afc_cfg |= 0xF;
- }
-
- smsc95xx_write_reg(dev, FLOW, flow);
- smsc95xx_write_reg(dev, AFC_CFG, afc_cfg);
-}
-
-static int smsc95xx_link_reset(struct usbnet *dev)
-{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
- struct mii_if_info *mii = &dev->mii;
- struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
- unsigned long flags;
- u16 lcladv, rmtadv;
- u32 intdata;
-
- /* clear interrupt status */
- smsc95xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC);
- intdata = 0xFFFFFFFF;
- smsc95xx_write_reg(dev, INT_STS, intdata);
-
- mii_check_media(mii, 1, 1);
- mii_ethtool_gset(&dev->mii, &ecmd);
- lcladv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE);
- rmtadv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_LPA);
-
- netif_dbg(dev, link, dev->net,
- "speed: %u duplex: %d lcladv: %04x rmtadv: %04x\n",
- ethtool_cmd_speed(&ecmd), ecmd.duplex, lcladv, rmtadv);
-
- spin_lock_irqsave(&pdata->mac_cr_lock, flags);
- if (ecmd.duplex != DUPLEX_FULL) {
- pdata->mac_cr &= ~MAC_CR_FDPX_;
- pdata->mac_cr |= MAC_CR_RCVOWN_;
- } else {
- pdata->mac_cr &= ~MAC_CR_RCVOWN_;
- pdata->mac_cr |= MAC_CR_FDPX_;
- }
- spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
-
- smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
-
- smsc95xx_phy_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv);
-
- return 0;
-}
-
-static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
-{
- u32 intdata;
-
- if (urb->actual_length != 4) {
- 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\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\n",
- intdata);
-}
-
-/* Enable or disable Tx & Rx checksum offload engines */
-static int smsc95xx_set_features(struct net_device *netdev,
- netdev_features_t features)
-{
- struct usbnet *dev = netdev_priv(netdev);
- u32 read_buf;
- int ret;
-
- ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read COE_CR: %d\n", ret);
- return ret;
- }
-
- if (features & NETIF_F_HW_CSUM)
- read_buf |= Tx_COE_EN_;
- else
- read_buf &= ~Tx_COE_EN_;
-
- if (features & NETIF_F_RXCSUM)
- read_buf |= Rx_COE_EN_;
- else
- read_buf &= ~Rx_COE_EN_;
-
- ret = smsc95xx_write_reg(dev, COE_CR, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write COE_CR: %d\n", ret);
- return ret;
- }
-
- netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf);
- return 0;
-}
-
-static int smsc95xx_ethtool_get_eeprom_len(struct net_device *net)
-{
- return MAX_EEPROM_SIZE;
-}
-
-static int smsc95xx_ethtool_get_eeprom(struct net_device *netdev,
- struct ethtool_eeprom *ee, u8 *data)
-{
- struct usbnet *dev = netdev_priv(netdev);
-
- ee->magic = LAN95XX_EEPROM_MAGIC;
-
- return smsc95xx_read_eeprom(dev, ee->offset, ee->len, data);
-}
-
-static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev,
- struct ethtool_eeprom *ee, u8 *data)
-{
- struct usbnet *dev = netdev_priv(netdev);
-
- if (ee->magic != LAN95XX_EEPROM_MAGIC) {
- netdev_warn(dev->net, "EEPROM: magic value mismatch, magic = 0x%x\n",
- ee->magic);
- return -EINVAL;
- }
-
- return smsc95xx_write_eeprom(dev, ee->offset, ee->len, data);
-}
-
-static const struct ethtool_ops smsc95xx_ethtool_ops = {
- .get_link = usbnet_get_link,
- .nway_reset = usbnet_nway_reset,
- .get_drvinfo = usbnet_get_drvinfo,
- .get_msglevel = usbnet_get_msglevel,
- .set_msglevel = usbnet_set_msglevel,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
- .get_eeprom_len = smsc95xx_ethtool_get_eeprom_len,
- .get_eeprom = smsc95xx_ethtool_get_eeprom,
- .set_eeprom = smsc95xx_ethtool_set_eeprom,
-};
-
-static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
-{
- struct usbnet *dev = netdev_priv(netdev);
-
- if (!netif_running(netdev))
- return -EINVAL;
-
- return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
-}
-
-static void smsc95xx_init_mac_address(struct usbnet *dev)
-{
- /* try reading mac address from EEPROM */
- if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
- dev->net->dev_addr) == 0) {
- 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\n");
- return;
- }
- }
-
- /* no eeprom, or eeprom values are invalid. generate random MAC */
- eth_hw_addr_random(dev->net);
- netif_dbg(dev, ifup, dev->net, "MAC address set to random_ether_addr\n");
-}
-
-static int smsc95xx_set_mac_address(struct usbnet *dev)
-{
- u32 addr_lo = dev->net->dev_addr[0] | dev->net->dev_addr[1] << 8 |
- dev->net->dev_addr[2] << 16 | dev->net->dev_addr[3] << 24;
- u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8;
- int ret;
-
- ret = smsc95xx_write_reg(dev, ADDRL, addr_lo);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write ADDRL: %d\n", ret);
- return ret;
- }
-
- ret = smsc95xx_write_reg(dev, ADDRH, addr_hi);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write ADDRH: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-/* starts the TX path */
-static void smsc95xx_start_tx_path(struct usbnet *dev)
-{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
- unsigned long flags;
- u32 reg_val;
-
- /* Enable Tx at MAC */
- spin_lock_irqsave(&pdata->mac_cr_lock, flags);
- pdata->mac_cr |= MAC_CR_TXEN_;
- spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
-
- smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
-
- /* Enable Tx at SCSRs */
- reg_val = TX_CFG_ON_;
- smsc95xx_write_reg(dev, TX_CFG, reg_val);
-}
-
-/* Starts the Receive path */
-static void smsc95xx_start_rx_path(struct usbnet *dev)
-{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
- unsigned long flags;
-
- spin_lock_irqsave(&pdata->mac_cr_lock, flags);
- pdata->mac_cr |= MAC_CR_RXEN_;
- spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
-
- smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
-}
-
-static int smsc95xx_phy_initialize(struct usbnet *dev)
-{
- int bmcr, timeout = 0;
-
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = smsc95xx_mdio_read;
- dev->mii.mdio_write = smsc95xx_mdio_write;
- dev->mii.phy_id_mask = 0x1f;
- dev->mii.reg_num_mask = 0x1f;
- dev->mii.phy_id = SMSC95XX_INTERNAL_PHY_ID;
-
- /* reset phy and wait for reset to complete */
- smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
-
- do {
- msleep(10);
- bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
- timeout++;
- } while ((bmcr & BMCR_RESET) && (timeout < 100));
-
- if (timeout >= 100) {
- netdev_warn(dev->net, "timeout on PHY Reset");
- return -EIO;
- }
-
- smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
- ADVERTISE_PAUSE_ASYM);
-
- /* read to clear */
- smsc95xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC);
-
- smsc95xx_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\n");
- return 0;
-}
-
-static int smsc95xx_reset(struct usbnet *dev)
-{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
- u32 read_buf, write_buf, burst_cap;
- int ret = 0, timeout;
-
- netif_dbg(dev, ifup, dev->net, "entering smsc95xx_reset\n");
-
- write_buf = HW_CFG_LRST_;
- ret = smsc95xx_write_reg(dev, HW_CFG, write_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write HW_CFG_LRST_ bit in HW_CFG register, ret = %d\n",
- ret);
- return ret;
- }
-
- timeout = 0;
- do {
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
- return ret;
- }
- msleep(10);
- timeout++;
- } while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
-
- if (timeout >= 100) {
- netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n");
- return ret;
- }
-
- write_buf = PM_CTL_PHY_RST_;
- ret = smsc95xx_write_reg(dev, PM_CTRL, write_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write PM_CTRL: %d\n", ret);
- return ret;
- }
-
- timeout = 0;
- do {
- ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret);
- return ret;
- }
- msleep(10);
- timeout++;
- } while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
-
- if (timeout >= 100) {
- netdev_warn(dev->net, "timeout waiting for PHY Reset\n");
- return ret;
- }
-
- ret = smsc95xx_set_mac_address(dev);
- if (ret < 0)
- return ret;
-
- netif_dbg(dev, ifup, dev->net,
- "MAC Address: %pM\n", dev->net->dev_addr);
-
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- 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\n", read_buf);
-
- read_buf |= HW_CFG_BIR_;
-
- ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write HW_CFG_BIR_ bit in HW_CFG register, ret = %d\n",
- ret);
- return ret;
- }
-
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- 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\n",
- read_buf);
-
- if (!turbo_mode) {
- burst_cap = 0;
- dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
- } else if (dev->udev->speed == USB_SPEED_HIGH) {
- burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
- dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
- } else {
- burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
- dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
- }
-
- netif_dbg(dev, ifup, dev->net,
- "rx_urb_size=%ld\n", (ulong)dev->rx_urb_size);
-
- ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write BURST_CAP: %d\n", ret);
- return ret;
- }
-
- ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf);
- 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\n",
- read_buf);
-
- read_buf = DEFAULT_BULK_IN_DELAY;
- ret = smsc95xx_write_reg(dev, BULK_IN_DLY, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "ret = %d\n", ret);
- return ret;
- }
-
- ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf);
- 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\n",
- read_buf);
-
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- 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\n", read_buf);
-
- if (turbo_mode)
- read_buf |= (HW_CFG_MEF_ | HW_CFG_BCE_);
-
- read_buf &= ~HW_CFG_RXDOFF_;
-
- /* set Rx data offset=2, Make IP header aligns on word boundary. */
- read_buf |= NET_IP_ALIGN << 9;
-
- ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write HW_CFG register, ret=%d\n",
- ret);
- return ret;
- }
-
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- 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: 0x%08x\n", read_buf);
-
- write_buf = 0xFFFFFFFF;
- ret = smsc95xx_write_reg(dev, INT_STS, write_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write INT_STS register, ret=%d\n",
- ret);
- return ret;
- }
-
- ret = smsc95xx_read_reg(dev, ID_REV, &read_buf);
- 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\n", read_buf);
-
- /* Configure GPIO pins as LED outputs */
- write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
- LED_GPIO_CFG_FDX_LED;
- ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write LED_GPIO_CFG register, ret=%d\n",
- ret);
- return ret;
- }
-
- /* Init Tx */
- write_buf = 0;
- ret = smsc95xx_write_reg(dev, FLOW, write_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write FLOW: %d\n", ret);
- return ret;
- }
-
- read_buf = AFC_CFG_DEFAULT;
- ret = smsc95xx_write_reg(dev, AFC_CFG, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write AFC_CFG: %d\n", ret);
- return ret;
- }
-
- /* Don't need mac_cr_lock during initialisation */
- ret = smsc95xx_read_reg(dev, MAC_CR, &pdata->mac_cr);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read MAC_CR: %d\n", ret);
- return ret;
- }
-
- /* Init Rx */
- /* Set Vlan */
- write_buf = (u32)ETH_P_8021Q;
- ret = smsc95xx_write_reg(dev, VLAN1, write_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write VAN1: %d\n", ret);
- return ret;
- }
-
- /* Enable or disable checksum offload engines */
- smsc95xx_set_features(dev->net, dev->net->features);
-
- smsc95xx_set_multicast(dev->net);
-
- if (smsc95xx_phy_initialize(dev) < 0)
- return -EIO;
-
- ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read INT_EP_CTL: %d\n", ret);
- return ret;
- }
-
- /* enable PHY interrupts */
- read_buf |= INT_EP_CTL_PHY_INT_;
-
- ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write INT_EP_CTL: %d\n", ret);
- return ret;
- }
-
- smsc95xx_start_tx_path(dev);
- smsc95xx_start_rx_path(dev);
-
- netif_dbg(dev, ifup, dev->net, "smsc95xx_reset, return 0\n");
- return 0;
-}
-
-static const struct net_device_ops smsc95xx_netdev_ops = {
- .ndo_open = usbnet_open,
- .ndo_stop = usbnet_stop,
- .ndo_start_xmit = usbnet_start_xmit,
- .ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_change_mtu = usbnet_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = smsc95xx_ioctl,
- .ndo_set_rx_mode = smsc95xx_set_multicast,
- .ndo_set_features = smsc95xx_set_features,
-};
-
-static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
-{
- struct smsc95xx_priv *pdata = NULL;
- int ret;
-
- printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");
-
- ret = usbnet_get_endpoints(dev, intf);
- if (ret < 0) {
- netdev_warn(dev->net, "usbnet_get_endpoints failed: %d\n", ret);
- return ret;
- }
-
- dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc95xx_priv),
- GFP_KERNEL);
-
- pdata = (struct smsc95xx_priv *)(dev->data[0]);
- if (!pdata) {
- netdev_warn(dev->net, "Unable to allocate struct smsc95xx_priv\n");
- return -ENOMEM;
- }
-
- spin_lock_init(&pdata->mac_cr_lock);
-
- if (DEFAULT_TX_CSUM_ENABLE)
- dev->net->features |= NETIF_F_HW_CSUM;
- if (DEFAULT_RX_CSUM_ENABLE)
- dev->net->features |= NETIF_F_RXCSUM;
-
- dev->net->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
-
- smsc95xx_init_mac_address(dev);
-
- /* Init all registers */
- ret = smsc95xx_reset(dev);
-
- dev->net->netdev_ops = &smsc95xx_netdev_ops;
- dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
- dev->net->flags |= IFF_MULTICAST;
- dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
- dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
- return 0;
-}
-
-static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
-{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
- if (pdata) {
- netif_dbg(dev, ifdown, dev->net, "free pdata\n");
- kfree(pdata);
- pdata = NULL;
- dev->data[0] = 0;
- }
-}
-
-static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
-{
- skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2);
- skb->ip_summed = CHECKSUM_COMPLETE;
- skb_trim(skb, skb->len - 2);
-}
-
-static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
-{
- while (skb->len > 0) {
- u32 header, align_count;
- struct sk_buff *ax_skb;
- unsigned char *packet;
- u16 size;
-
- memcpy(&header, skb->data, sizeof(header));
- le32_to_cpus(&header);
- skb_pull(skb, 4 + NET_IP_ALIGN);
- packet = skb->data;
-
- /* get the packet length */
- size = (u16)((header & RX_STS_FL_) >> 16);
- align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
-
- if (unlikely(header & RX_STS_ES_)) {
- netif_dbg(dev, rx_err, dev->net,
- "Error header=0x%08x\n", header);
- dev->net->stats.rx_errors++;
- dev->net->stats.rx_dropped++;
-
- if (header & RX_STS_CRC_) {
- dev->net->stats.rx_crc_errors++;
- } else {
- if (header & (RX_STS_TL_ | RX_STS_RF_))
- dev->net->stats.rx_frame_errors++;
-
- if ((header & RX_STS_LE_) &&
- (!(header & RX_STS_FT_)))
- dev->net->stats.rx_length_errors++;
- }
- } else {
- /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */
- if (unlikely(size > (ETH_FRAME_LEN + 12))) {
- netif_dbg(dev, rx_err, dev->net,
- "size err header=0x%08x\n", header);
- return 0;
- }
-
- /* last frame in this batch */
- if (skb->len == size) {
- if (dev->net->features & NETIF_F_RXCSUM)
- smsc95xx_rx_csum_offload(skb);
- skb_trim(skb, skb->len - 4); /* remove fcs */
- skb->truesize = size + sizeof(struct sk_buff);
-
- return 1;
- }
-
- ax_skb = skb_clone(skb, GFP_ATOMIC);
- if (unlikely(!ax_skb)) {
- netdev_warn(dev->net, "Error allocating skb\n");
- return 0;
- }
-
- ax_skb->len = size;
- ax_skb->data = packet;
- skb_set_tail_pointer(ax_skb, size);
-
- if (dev->net->features & NETIF_F_RXCSUM)
- smsc95xx_rx_csum_offload(ax_skb);
- skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
- ax_skb->truesize = size + sizeof(struct sk_buff);
-
- usbnet_skb_return(dev, ax_skb);
- }
-
- skb_pull(skb, size);
-
- /* padding bytes before the next frame starts */
- if (skb->len)
- skb_pull(skb, align_count);
- }
-
- if (unlikely(skb->len < 0)) {
- netdev_warn(dev->net, "invalid rx length<0 %d\n", skb->len);
- return 0;
- }
-
- return 1;
-}
-
-static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb)
-{
- u16 low_16 = (u16)skb_checksum_start_offset(skb);
- u16 high_16 = low_16 + skb->csum_offset;
- return (high_16 << 16) | low_16;
-}
-
-static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
- struct sk_buff *skb, gfp_t flags)
-{
- bool csum = skb->ip_summed == CHECKSUM_PARTIAL;
- int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD;
- u32 tx_cmd_a, tx_cmd_b;
-
- /* We do not advertise SG, so skbs should be already linearized */
- BUG_ON(skb_shinfo(skb)->nr_frags);
-
- if (skb_headroom(skb) < overhead) {
- struct sk_buff *skb2 = skb_copy_expand(skb,
- overhead, 0, flags);
- dev_kfree_skb_any(skb);
- skb = skb2;
- if (!skb)
- return NULL;
- }
-
- if (csum) {
- if (skb->len <= 45) {
- /* workaround - hardware tx checksum does not work
- * properly with extremely small packets */
- long csstart = skb_checksum_start_offset(skb);
- __wsum calc = csum_partial(skb->data + csstart,
- skb->len - csstart, 0);
- *((__sum16 *)(skb->data + csstart
- + skb->csum_offset)) = csum_fold(calc);
-
- csum = false;
- } else {
- u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
- skb_push(skb, 4);
- memcpy(skb->data, &csum_preamble, 4);
- }
- }
-
- skb_push(skb, 4);
- tx_cmd_b = (u32)(skb->len - 4);
- if (csum)
- tx_cmd_b |= TX_CMD_B_CSUM_ENABLE;
- cpu_to_le32s(&tx_cmd_b);
- memcpy(skb->data, &tx_cmd_b, 4);
-
- skb_push(skb, 4);
- tx_cmd_a = (u32)(skb->len - 8) | TX_CMD_A_FIRST_SEG_ |
- TX_CMD_A_LAST_SEG_;
- cpu_to_le32s(&tx_cmd_a);
- memcpy(skb->data, &tx_cmd_a, 4);
-
- return skb;
-}
-
-static const struct driver_info smsc95xx_info = {
- .description = "smsc95xx USB 2.0 Ethernet",
- .bind = smsc95xx_bind,
- .unbind = smsc95xx_unbind,
- .link_reset = smsc95xx_link_reset,
- .reset = smsc95xx_reset,
- .rx_fixup = smsc95xx_rx_fixup,
- .tx_fixup = smsc95xx_tx_fixup,
- .status = smsc95xx_status,
- .flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
-};
-
-static const struct usb_device_id products[] = {
- {
- /* SMSC9500 USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9500),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9505 USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9505),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9500A USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9E00),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9505A USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9E01),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9512/9514 USB Hub & Ethernet Device */
- USB_DEVICE(0x0424, 0xec00),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9500 USB Ethernet Device (SAL10) */
- USB_DEVICE(0x0424, 0x9900),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9505 USB Ethernet Device (SAL10) */
- USB_DEVICE(0x0424, 0x9901),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9500A USB Ethernet Device (SAL10) */
- USB_DEVICE(0x0424, 0x9902),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9505A USB Ethernet Device (SAL10) */
- USB_DEVICE(0x0424, 0x9903),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9512/9514 USB Hub & Ethernet Device (SAL10) */
- USB_DEVICE(0x0424, 0x9904),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9500A USB Ethernet Device (HAL) */
- USB_DEVICE(0x0424, 0x9905),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9505A USB Ethernet Device (HAL) */
- USB_DEVICE(0x0424, 0x9906),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9500 USB Ethernet Device (Alternate ID) */
- USB_DEVICE(0x0424, 0x9907),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9500A USB Ethernet Device (Alternate ID) */
- USB_DEVICE(0x0424, 0x9908),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC9512/9514 USB Hub & Ethernet Device (Alternate ID) */
- USB_DEVICE(0x0424, 0x9909),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC LAN9530 USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9530),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC LAN9730 USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9730),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- {
- /* SMSC LAN89530 USB Ethernet Device */
- USB_DEVICE(0x0424, 0x9E08),
- .driver_info = (unsigned long) &smsc95xx_info,
- },
- { }, /* END */
-};
-MODULE_DEVICE_TABLE(usb, products);
-
-static struct usb_driver smsc95xx_driver = {
- .name = "smsc95xx",
- .id_table = products,
- .probe = usbnet_probe,
- .suspend = usbnet_suspend,
- .resume = usbnet_resume,
- .disconnect = usbnet_disconnect,
-};
-
-module_usb_driver(smsc95xx_driver);
-
-MODULE_AUTHOR("Nancy Lin");
-MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
-MODULE_DESCRIPTION("SMSC95XX USB 2.0 Ethernet Devices");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-02-11 19:50:37 +0000