Identify Beacon Frame

[Gunjan Mehta]

Hi All,

I am new to kernel development. I am writing a kernel module that captures
packet at the netfilter pre - routing hook.

I only want to capture the BEACON FRAME.

I have few queries:

1>When the beacon frame comes to receiving machine do the sk_buff gets
allocated?
2> How can i identify the beacon frame at the pre routing hook?
3> Beacon frame consist of a string for authentication of client with the
server, can i use sk_buff pointers to get access to that string, if sk_buff
is allocated?

Regards
Gunjan
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