smsc95xx.c (448cc2fb3a7b327823a9afd374808c37b8e6194f) smsc95xx.c (a049a30fc27c1cb2e12889bbdbd463dbf750103a)
1// SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
3 *
4 * Copyright (C) 2007-2008 SMSC
5 *
6 *****************************************************************************/
7
8#include <linux/module.h>

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1045 .ndo_get_stats64 = dev_get_tstats64,
1046 .ndo_set_mac_address = eth_mac_addr,
1047 .ndo_validate_addr = eth_validate_addr,
1048 .ndo_eth_ioctl = smsc95xx_ioctl,
1049 .ndo_set_rx_mode = smsc95xx_set_multicast,
1050 .ndo_set_features = smsc95xx_set_features,
1051};
1052
1// SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
3 *
4 * Copyright (C) 2007-2008 SMSC
5 *
6 *****************************************************************************/
7
8#include <linux/module.h>

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1045 .ndo_get_stats64 = dev_get_tstats64,
1046 .ndo_set_mac_address = eth_mac_addr,
1047 .ndo_validate_addr = eth_validate_addr,
1048 .ndo_eth_ioctl = smsc95xx_ioctl,
1049 .ndo_set_rx_mode = smsc95xx_set_multicast,
1050 .ndo_set_features = smsc95xx_set_features,
1051};
1052
1053static void smsc95xx_handle_link_change(struct net_device *net)
1054{
1055 struct usbnet *dev = netdev_priv(net);
1056
1057 phy_print_status(net->phydev);
1058 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE);
1059}
1060
1053static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
1054{
1055 struct smsc95xx_priv *pdata;
1056 bool is_internal_phy;
1057 u32 val;
1058 int ret;
1059
1060 printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");

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1149
1150 dev->net->netdev_ops = &smsc95xx_netdev_ops;
1151 dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
1152 dev->net->flags |= IFF_MULTICAST;
1153 dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
1154 dev->net->min_mtu = ETH_MIN_MTU;
1155 dev->net->max_mtu = ETH_DATA_LEN;
1156 dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
1061static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
1062{
1063 struct smsc95xx_priv *pdata;
1064 bool is_internal_phy;
1065 u32 val;
1066 int ret;
1067
1068 printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");

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1157
1158 dev->net->netdev_ops = &smsc95xx_netdev_ops;
1159 dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
1160 dev->net->flags |= IFF_MULTICAST;
1161 dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
1162 dev->net->min_mtu = ETH_MIN_MTU;
1163 dev->net->max_mtu = ETH_DATA_LEN;
1164 dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
1165
1166 ret = phy_connect_direct(dev->net, pdata->phydev,
1167 &smsc95xx_handle_link_change,
1168 PHY_INTERFACE_MODE_MII);
1169 if (ret) {
1170 netdev_err(dev->net, "can't attach PHY to %s\n", pdata->mdiobus->id);
1171 goto unregister_mdio;
1172 }
1173
1174 phy_attached_info(dev->net->phydev);
1175
1157 return 0;
1158
1159unregister_mdio:
1160 mdiobus_unregister(pdata->mdiobus);
1161
1162free_mdio:
1163 mdiobus_free(pdata->mdiobus);
1164
1165free_pdata:
1166 kfree(pdata);
1167 return ret;
1168}
1169
1170static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
1171{
1172 struct smsc95xx_priv *pdata = dev->driver_priv;
1173
1176 return 0;
1177
1178unregister_mdio:
1179 mdiobus_unregister(pdata->mdiobus);
1180
1181free_mdio:
1182 mdiobus_free(pdata->mdiobus);
1183
1184free_pdata:
1185 kfree(pdata);
1186 return ret;
1187}
1188
1189static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
1190{
1191 struct smsc95xx_priv *pdata = dev->driver_priv;
1192
1193 phy_disconnect(dev->net->phydev);
1174 mdiobus_unregister(pdata->mdiobus);
1175 mdiobus_free(pdata->mdiobus);
1176 netif_dbg(dev, ifdown, dev->net, "free pdata\n");
1177 kfree(pdata);
1178}
1179
1194 mdiobus_unregister(pdata->mdiobus);
1195 mdiobus_free(pdata->mdiobus);
1196 netif_dbg(dev, ifdown, dev->net, "free pdata\n");
1197 kfree(pdata);
1198}
1199
1180static void smsc95xx_handle_link_change(struct net_device *net)
1181{
1182 struct usbnet *dev = netdev_priv(net);
1183
1184 phy_print_status(net->phydev);
1185 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE);
1186}
1187
1188static int smsc95xx_start_phy(struct usbnet *dev)
1189{
1200static int smsc95xx_start_phy(struct usbnet *dev)
1201{
1190 struct smsc95xx_priv *pdata = dev->driver_priv;
1191 struct net_device *net = dev->net;
1192 int ret;
1202 phy_start(dev->net->phydev);
1193
1203
1194 ret = smsc95xx_reset(dev);
1195 if (ret < 0)
1196 return ret;
1197
1198 ret = phy_connect_direct(net, pdata->phydev,
1199 &smsc95xx_handle_link_change,
1200 PHY_INTERFACE_MODE_MII);
1201 if (ret) {
1202 netdev_err(net, "can't attach PHY to %s\n", pdata->mdiobus->id);
1203 return ret;
1204 }
1205
1206 phy_attached_info(net->phydev);
1207 phy_start(net->phydev);
1208 return 0;
1209}
1210
1204 return 0;
1205}
1206
1211static int smsc95xx_disconnect_phy(struct usbnet *dev)
1207static int smsc95xx_stop(struct usbnet *dev)
1212{
1208{
1213 phy_stop(dev->net->phydev);
1214 phy_disconnect(dev->net->phydev);
1209 if (dev->net->phydev)
1210 phy_stop(dev->net->phydev);
1211
1215 return 0;
1216}
1217
1218static u32 smsc_crc(const u8 *buffer, size_t len, int filter)
1219{
1220 u32 crc = bitrev16(crc16(0xFFFF, buffer, len));
1221 return crc << ((filter % 2) * 16);
1222}

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1961}
1962
1963static const struct driver_info smsc95xx_info = {
1964 .description = "smsc95xx USB 2.0 Ethernet",
1965 .bind = smsc95xx_bind,
1966 .unbind = smsc95xx_unbind,
1967 .link_reset = smsc95xx_link_reset,
1968 .reset = smsc95xx_start_phy,
1212 return 0;
1213}
1214
1215static u32 smsc_crc(const u8 *buffer, size_t len, int filter)
1216{
1217 u32 crc = bitrev16(crc16(0xFFFF, buffer, len));
1218 return crc << ((filter % 2) * 16);
1219}

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1958}
1959
1960static const struct driver_info smsc95xx_info = {
1961 .description = "smsc95xx USB 2.0 Ethernet",
1962 .bind = smsc95xx_bind,
1963 .unbind = smsc95xx_unbind,
1964 .link_reset = smsc95xx_link_reset,
1965 .reset = smsc95xx_start_phy,
1969 .stop = smsc95xx_disconnect_phy,
1966 .stop = smsc95xx_stop,
1970 .rx_fixup = smsc95xx_rx_fixup,
1971 .tx_fixup = smsc95xx_tx_fixup,
1972 .status = smsc95xx_status,
1973 .manage_power = smsc95xx_manage_power,
1974 .flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
1975};
1976
1977static const struct usb_device_id products[] = {

--- 112 unchanged lines hidden --- 		1967 .rx_fixup = smsc95xx_rx_fixup,
1968 .tx_fixup = smsc95xx_tx_fixup,
1969 .status = smsc95xx_status,
1970 .manage_power = smsc95xx_manage_power,
1971 .flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
1972};
1973
1974static const struct usb_device_id products[] = {

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