dm9620 是个带eeprom的usb转mac接口的芯片。
这里解决了一个bug, 物理地址设置不进自身eeprom的问题,原因是linux版本不兼容,设置物理地址的接口没有实现:
在dm9620_bind() 函数中,添加 dev->net->set_mac_address = dm9620_set_mac_address, 这样就实现了该接口。
static int dm9620_bind(struct usbnet *dev, struct usb_interface *intf) { int ret,mdio_val,i; struct dm96xx_priv* priv; u8 temp; u8 tmp; ret = usbnet_get_endpoints(dev, intf); if (ret) goto out; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31) dev->net->netdev_ops = &vm_netdev_ops; // new kernel 2.6.31 (20091217JJ) dev->net->ethtool_ops = &dm9620_ethtool_ops; #else dev->net->do_ioctl = dm9620_ioctl; dev->net->set_multicast_list = dm9620_set_multicast; dev->net->ethtool_ops = &dm9620_ethtool_ops; dev->net->set_mac_address = dm9620_set_mac_address; #endif dev->net->hard_header_len += DM_TX_OVERHEAD; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD+1; // ftp fail fixed dev->mii.dev = dev->net; dev->mii.mdio_read = dm9620_mdio_read; dev->mii.mdio_write = dm9620_mdio_write; dev->mii.phy_id_mask = 0x1f; dev->mii.reg_num_mask = 0x1f; dev->mii.phy_id = DM9620_PHY_ID;
修改物理地址的命令:
ifconfig eth0 hw ether 01:21:42:23:43:34