Re: [Madwifi-devel] Firewall for 802.11-Data Structures

[hong z. <hen...@ar...>]

Shitij,
   
  sk_buff is Linux kernel buffer for packets handling.
  Others are driver related.
  You need to read "linux device driver" http://lwn.net/Kernel/LDD3/
   
  It is a very good book you can download from above link.
  Worth to read it if you want to modify driver.
   
  -----henry
  

Nazeer Khan <Naz...@ni...> wrote:
  
Hi,

http://lxr.madwifi.org/source/

This will really help u find the definitions of all the functions and
structures. U can just find it there.

Also wat u cannot find it, just do google.com :)

Bye


> I am very new to linux development and am making a firewall for 802.11.
> Henry and Nazeer had helped me get started. Thanks guys.
> I was adding my rules etc in the accept_data_frame function in
> net80211/ieee80211_input.c
> I was having a few problems:
>
> 1) I can not understand the data structures - vap, sk_buff, 80211_node,
> ether_header
> Is there a place where i can find documentation on them, looking at the
> source did not help much. Also in ether_header are there any functions to
> compare/match mac addresses.
>
> 2)Every time i modify the source, i have to uninstall the madwifi drivers,
> restart, install and then restart again. I am using FC5. Am i doing this
> right or is there an easier method.
>
> I know these things might seem very trivial to alot of you, but I am just
> getting started with development and can not find any documentaion on
> google
> also.
>
>
> Thanks
>
> Shitij



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