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UDP/IP Offload Engine (UOE)

UOE is high performance and highly customizable UDP/IP hardware stack compliant with RFC 768 (for UDP) and RFC 791 (for IPv4)/RFC 2460(for IPv6). As shown in the figure below, the UOE core includes:

* L4 UDP engine
* L3 IPv4/IPv6 engine
* L2 Mac engine
* Statistic counter blocks and user configurable registers
* ARP and ICMP buffers

UOE is designed to be integrated with any Ethernet Solutions that has AXI4-ST/Avalon-ST interface. User interface can be customized for AXI4-ST or Avalon-ST. Data path in addition supports a wide range of interface widths from 32-bit up to 512-bit. Single clock design provides easy manageability for the user.

32-bit user interface runs @ 312.5MHz clock for 10G, 64- bit user interface runs @ 156.25MHz for 10G, 128-bit user interface runs @ 312.5MHz for 40G, 256-bit user interface runs @ 156.25MHz for 40G, and 512-bit user interface runs @ 312.5MHz for 100G.

Core IP layer can be customized for IPv4 or IPv6 depending on the application.

The header fields can be configured once for point-topoint applications.

Our solution implements and delivers the low latency with highest throughput and minimum or no interpacket gap.