Enable 4W RX bursts (recommended)

configname: CONFIG_ATM_ENI_BURST_RX_4W

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>ATM drivers
└─>Enable 4W RX bursts (recommended)
In linux kernel since version 2.6.12  
Burst four words at once in the receive direction. This is the
default setting. Enabling 4W if 8W is also set may or may not
improve throughput.