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6678网口通信,添加IP头问题

我们要和上位机通信,上位机使用socket抓包,需要IP头,现在我用的论坛里的GE工程已经能够向pc发数,抓包正确。请问,可以在mac层直接加ip报文而不加tcp或udp协议吗?如果可以,该如何实现呢?

很着急,烦请各位大神指导,谢谢!