
Prefetch RX HW desc, SW desc and SKB in pipeline fasion in the first loop of RX processing. This has improved TPUT by 200Mbps and provided a 10% gain in CPU (single core) PINE with other optimizations: 3960Mbps @ 100% core-3 PINE + pipeline prefetch: 4130Mbps @ 90% core-3 Change-Id: I47f351601b264eb3a2b50e4154229d55da738724