Enable 8W TX bursts (recommended)

configname: CONFIG_ATM_ENI_BURST_TX_8W

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>ATM drivers
└─>Enable 8W TX bursts (recommended)
In linux kernel since version 2.6.12  
Burst eight words at once in the send direction. This is the default
setting.