From: Andrew Lunn <andrew@lunn.ch>
To: The list for a Better Approach To Mobile Ad-hoc Networking
<b.a.t.m.a.n@lists.open-mesh.org>
Cc: Marek Lindner <lindner_marek@yahoo.de>
Subject: Re: [B.A.T.M.A.N.] [PATCH] batctl: add raw wifi packet decapsulation support
Date: Wed, 26 Jan 2011 16:41:27 +0100 [thread overview]
Message-ID: <20110126154127.GA6813@lunn.ch> (raw)
In-Reply-To: <1296052208-6041-1-git-send-email-lindner_marek@yahoo.de>
Hi Marek
> + shost = wifi_hdr->addr2;
> + if (fc & IEEE80211_FCTL_FROMDS)
> + shost = wifi_hdr->addr3;
> + else if (fc & IEEE80211_FCTL_TODS)
> + shost = wifi_hdr->addr4;
> +
> + dhost = wifi_hdr->addr1;
> + if (fc & IEEE80211_FCTL_TODS)
> + dhost = wifi_hdr->addr3;
What would happen if you happened to pick up a WDS packet? Four
addresses in the packet. Do we see sensible addresses?
> +
> + hdr_len = 24;
> + if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
> + hdr_len = 30;
Again, WDS? We are now a few bytes out when decoding the rest of the
packet.
Andrew
next prev parent reply other threads:[~2011-01-26 15:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-26 14:30 [B.A.T.M.A.N.] [PATCH] batctl: add raw wifi packet decapsulation support Marek Lindner
2011-01-26 15:02 ` Sven Eckelmann
2011-01-27 12:37 ` Marek Lindner
2011-01-26 15:41 ` Andrew Lunn [this message]
2011-01-27 12:27 ` Marek Lindner
2011-01-28 17:24 ` Andrew Lunn
2011-01-28 20:14 ` Marek Lindner
2011-01-29 16:16 ` [B.A.T.M.A.N.] [PATCHv2] " Marek Lindner
2011-02-01 22:08 ` Marek Lindner
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