// SPDX-License-Identifier: GPL-2.0-or-later /*************************************************************************** * * Copyright (C) 2007-2008 SMSC * *****************************************************************************/ #include <linux/module.h> #include <linux/kmod.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> #include <linux/of_net.h> #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/mdio.h> #include <linux/phy.h> #include <net/selftests.h> #include "smsc95xx.h" #define SMSC_CHIPNAME … #define SMSC_DRIVER_VERSION … #define HS_USB_PKT_SIZE … #define FS_USB_PKT_SIZE … #define DEFAULT_HS_BURST_CAP_SIZE … #define DEFAULT_FS_BURST_CAP_SIZE … #define DEFAULT_BULK_IN_DELAY … #define MAX_SINGLE_PACKET_SIZE … #define LAN95XX_EEPROM_MAGIC … #define EEPROM_MAC_OFFSET … #define DEFAULT_TX_CSUM_ENABLE … #define DEFAULT_RX_CSUM_ENABLE … #define SMSC95XX_INTERNAL_PHY_ID … #define SMSC95XX_TX_OVERHEAD … #define SMSC95XX_TX_OVERHEAD_CSUM … #define SUPPORTED_WAKE … #define FEATURE_8_WAKEUP_FILTERS … #define FEATURE_PHY_NLP_CROSSOVER … #define FEATURE_REMOTE_WAKEUP … #define SUSPEND_SUSPEND0 … #define SUSPEND_SUSPEND1 … #define SUSPEND_SUSPEND2 … #define SUSPEND_SUSPEND3 … #define SUSPEND_ALLMODES … #define SMSC95XX_NR_IRQS … #define PHY_HWIRQ … struct smsc95xx_priv { … }; static bool turbo_mode = …; module_param(turbo_mode, bool, 0644); MODULE_PARM_DESC(…) …; static int __must_check smsc95xx_read_reg(struct usbnet *dev, u32 index, u32 *data) { … } static int __must_check smsc95xx_write_reg(struct usbnet *dev, u32 index, u32 data) { … } /* Loop until the read is completed with timeout * called with phy_mutex held */ static int __must_check smsc95xx_phy_wait_not_busy(struct usbnet *dev) { … } static u32 mii_address_cmd(int phy_id, int idx, u16 op) { … } static int smsc95xx_mdio_read(struct usbnet *dev, int phy_id, int idx) { … } static void smsc95xx_mdio_write(struct usbnet *dev, int phy_id, int idx, int regval) { … } static int smsc95xx_mdiobus_reset(struct mii_bus *bus) { … } static int smsc95xx_mdiobus_read(struct mii_bus *bus, int phy_id, int idx) { … } static int smsc95xx_mdiobus_write(struct mii_bus *bus, int phy_id, int idx, u16 regval) { … } static int __must_check smsc95xx_wait_eeprom(struct usbnet *dev) { … } static int __must_check smsc95xx_eeprom_confirm_not_busy(struct usbnet *dev) { … } static int smsc95xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length, u8 *data) { … } static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length, u8 *data) { … } static int __must_check smsc95xx_write_reg_async(struct usbnet *dev, u16 index, u32 data) { … } /* 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]) { … } static void smsc95xx_set_multicast(struct net_device *netdev) { … } static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev) { … } static void smsc95xx_mac_update_fullduplex(struct usbnet *dev) { … } static void smsc95xx_status(struct usbnet *dev, struct urb *urb) { … } /* Enable or disable Tx & Rx checksum offload engines */ static int smsc95xx_set_features(struct net_device *netdev, netdev_features_t features) { … } static int smsc95xx_ethtool_get_eeprom_len(struct net_device *net) { … } static int smsc95xx_ethtool_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *ee, u8 *data) { … } static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *ee, u8 *data) { … } static int smsc95xx_ethtool_getregslen(struct net_device *netdev) { … } static void smsc95xx_ethtool_getregs(struct net_device *netdev, struct ethtool_regs *regs, void *buf) { … } static void smsc95xx_ethtool_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) { … } static int smsc95xx_ethtool_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) { … } static u32 smsc95xx_get_link(struct net_device *net) { … } static void smsc95xx_ethtool_get_strings(struct net_device *netdev, u32 sset, u8 *data) { … } static int smsc95xx_ethtool_get_sset_count(struct net_device *ndev, int sset) { … } static const struct ethtool_ops smsc95xx_ethtool_ops = …; static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) { … } static void smsc95xx_init_mac_address(struct usbnet *dev) { … } static int smsc95xx_set_mac_address(struct usbnet *dev) { … } /* starts the TX path */ static int smsc95xx_start_tx_path(struct usbnet *dev) { … } /* Starts the Receive path */ static int smsc95xx_start_rx_path(struct usbnet *dev) { … } static int smsc95xx_reset(struct usbnet *dev) { … } static const struct net_device_ops smsc95xx_netdev_ops = …; static void smsc95xx_handle_link_change(struct net_device *net) { … } static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) { … } static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf) { … } static int smsc95xx_start_phy(struct usbnet *dev) { … } static int smsc95xx_stop(struct usbnet *dev) { … } static u32 smsc_crc(const u8 *buffer, size_t len, int filter) { … } static int smsc95xx_link_ok(struct usbnet *dev) { … } static int smsc95xx_enter_suspend0(struct usbnet *dev) { … } static int smsc95xx_enter_suspend1(struct usbnet *dev) { … } static int smsc95xx_enter_suspend2(struct usbnet *dev) { … } static int smsc95xx_enter_suspend3(struct usbnet *dev) { … } static int smsc95xx_autosuspend(struct usbnet *dev, u32 link_up) { … } static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message) { … } static int smsc95xx_resume(struct usb_interface *intf) { … } static int smsc95xx_reset_resume(struct usb_interface *intf) { … } static void smsc95xx_rx_csum_offload(struct sk_buff *skb) { … } static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { … } static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb) { … } /* The TX CSUM won't work if the checksum lies in the last 4 bytes of the * transmission. This is fairly unlikely, only seems to trigger with some * short TCP ACK packets sent. * * Note, this calculation should probably check for the alignment of the * data as well, but a straight check for csum being in the last four bytes * of the packet should be ok for now. */ static bool smsc95xx_can_tx_checksum(struct sk_buff *skb) { … } static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { … } static int smsc95xx_manage_power(struct usbnet *dev, int on) { … } static const struct driver_info smsc95xx_info = …; static const struct usb_device_id products[] = …; MODULE_DEVICE_TABLE(usb, products); static struct usb_driver smsc95xx_driver = …; module_usb_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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