todo

来自「在传输层实现了资源的负载平衡 实现了集群」· 代码 · 共 11 行

	* After this tcpsp is tested OK, we will consider to add
	sys_tcpsplice() into sys_socketcall(), then it would be easier to
	use tcpsplice() in the user space.

	* Add tcp option handling

	* Add icmp handling

	* Added incremental checksum update