|To:||Pavel Machek <pavel@xxxxxxx>|
|Subject:||Re: ipw2100 wireless driver|
|From:||James Ketrenos <jketreno@xxxxxxxxxxxxxxx>|
|Date:||Wed, 11 Aug 2004 05:16:35 -0500|
|Cc:||Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jeff Chua <jeffchua@xxxxxxxxxxxxxxxxxxx>, Tomas Szepe <szepe@xxxxxxxxxxxxxxx>, netdev@xxxxxxxxxxx, kernel list <linux-kernel@xxxxxxxxxxxxxxx>|
|References:||<20040714114135.GA25175@elf.ucw.cz> <Pine.LNX.firstname.lastname@example.org> <20040714115523.GC2269@elf.ucw.cz> <20040809201556.GB9677@louise.pinerecords.com> <Pine.LNX.email@example.com> <20040810075558.A14154@infradead.org> <20040810101640.GF9034@atrey.karlin.mff.cuni.cz>|
|User-agent:||Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031205 Thunderbird/0.4|
Pavel Machek wrote:
The ieee80211_* files in the ipw2100 were partially based on the hostap source, with any HW specific code pulled out. It handles Tx and Rx right now for BSS, IBSS, and MONITOR mode, supporting wep, etc. It doesn't have all the hooks needed for the host based AP mode that Host AP currently has, nor does it support wpa yet.
We're also using the stack for the ipw2200 project (which we hope to get another snapshot release out soon) We've been talking about pulling ieee80211 into its own project as others have expressed an interest in using it in their drivers as well.
The general goal for the ieee80211 stack has been to be able to take an skb from the xmit handler, fragment and encrypt that skb, and provide that list of those 802.11 fragments to the driver for transmission. On the Rx side, the ieee80211 stack expects a standard 802.11 data frame which it then performs any decrypt / defrag and then passes up to the kernel.
Additional frame code is slowly being added to ieee80211 to support handling of probe response / beacons to manage scan results, etc. and provide default WE handlers for exposing that information.
ieee80211_wx provides some generic implementation for the WE handlers that every driver has to implement the same way.
We're currently working to clean up ipw2100 and ieee80211 code for submission to netdev for discussion and hopefully inclusion in the future. The ieee80211 code is still being heavily developed, but its usable. If anyone wants to help out, or if folks feel its ready as-is to get pulled into wireless-2.6, let me know.
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