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一个skb结构应该填充哪些必要的字段 (转)

2012-12-26 11:18:41| 分类： netfilter | 标签： |举报 |字号大中小订阅

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如果是一个ip包的话，要填充下面几个字段：

skb->mac_header
skb->network_header
skb->transport_header
这三个字段分别是以太网头，ip头和传输层头部

skb->protocol
This is the protocol used at the next-higher layer from the perspective of the device driver at L2.

skb->pkt_type
This field classifies the type of frame based on its L2 destination address.

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