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From: "Hakan Coşkun" <hakanberlin@gmail.com>
To: <linux-wireless@vger.kernel.org>
Subject: Frame Injection with NL80211_CMD_FRAME is failing
Date: Fri, 03 Oct 2014 12:04:09 +0200	[thread overview]
Message-ID: <D0544139.F308%hakanberlin@gmail.com> (raw)

Hi,

For some time I am playing around with tools like scapy, senf, lorcon etc.
Which allow to receive and construct frames in user-space and send them
with
pcap or raw sockets. I am trying to achieve the injection part with
NL80211_CMD_FRAME. According to the description, only management frames are
supported by this command. Am I right ?

I put some printks into nl80211.c and mlme.c to follow the transmission
part
and to understand where my commands are failing.
I¹ve put my interface into master mode (NL80211_IFTYPE_AP) in order pass
the
checks in cfg80211. When I try to send down a beacon frame or another
management frame I got an error from cfg80211_mlme_mgmt_tx in mlme.c.
rdev_mgmt_tx returns an error code. How can I figure out why my frame is
not
send down on the wiphy ?

By the way, why is CMD_FRAME only restricted to management frames ?


Regards,
Hakan



                 reply	other threads:[~2014-10-03 10:04 UTC|newest]

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