/******************************************************************************* *                   Swapping eth0 and eth1 on OK335xS board * 声明： *     有时候我们可能希望能够将eth0和eth1的名字换一下。 * *                                          2015-9-30 阴 深圳 南山平山村 曾剑锋 ******************************************************************************/一、参考文档：    https://e2e.ti.com/support/arm/sitara_arm/f/791/p/415084/1482324二、几种网卡接口的缩写全称：    Described in the following sections is the 3-port switch (3PSW) Ethernet subsystem.     The 3-port switch gigabit ethernet subsystem provides ethernet packet communication     and can be configured as an ethernet switch. It provides the gigabit media independent     interface (GMII),reduced gigabit media independent interface (RGMII), reduced media     independent interface (RMII), the management data input output (MDIO) for physical     layer device (PHY) management.三、修改方法(etc/init.d/rc)：    ......    #echo `ifconfig -a`     ifconfig eth0 down    ifconfig eth1 down    ip link set dev eth0 name eth2    ip link set dev eth1 name eth0    ip link set dev eth2 name eth1    ifconfig eth0 up    ifconfig eth1 up    #echo `ifconfig -a`    ......