STMicroelectronics devices

configname: CONFIG_NET_VENDOR_STMICRO

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>STMicroelectronics devices
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you have a network (Ethernet) card based on Synopsys Ethernet IP
Cores, say Y.

Note that the answer to this question doesn't directly affect the
kernel: saying N will just cause the configurator to skip all
the questions about STMicroelectronics cards. If you say Y, you will
be asked for your specific card in the following questions.