Gianfar Ethernet

modulename: gianfar_driver.ko

configname: CONFIG_GIANFAR

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Gianfar Ethernet
In linux kernel since version 2.6.12  
This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
and MPC86xx family of chips, and the FEC on the 8540.

source code:
drivers/net/ethernet/freescale/