As each packet is represented with an sk_buff, the packet headers are conveniently located through a set of Pointers (th, iph, and MAC for the Media Access Control, or MAC, header).
由于每个报文都是使用一个sk_buff表示的，因此报文头都可以通过一组指针(th、iph和mac[用于Media Access Control或者mac头])方便地进行定位。
As each packet is represented with an sk_buff, the packet headers are conveniently located through a set of Pointers (th, iph, and MAC for the Media Access Control, or MAC, header).
由于每个报文都是使用一个sk_buff表示的，因此报文头都可以通过一组指针(th、iph和mac[用于Media Access Control或者mac头])方便地进行定位。
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