From: Johannes Berg <johannes@sipsolutions.net>
To: Ramon Fontes <ramonreisfontes@gmail.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: mac80211_hwsim: packets being transmitted through the monitor interface
Date: Fri, 27 Sep 2019 16:00:22 +0200 [thread overview]
Message-ID: <41aff25b6f14cdfd5ce1e0e157c49bd8c9b3ebd3.camel@sipsolutions.net> (raw)
In-Reply-To: <CAK8U23bUjYuG2=trtuEpcYT1xL1+kTugWrQKi=UTuMnFN-XDSw@mail.gmail.com> (sfid-20190927_150130_471576_DD589F69)
On Fri, 2019-09-27 at 10:01 -0300, Ramon Fontes wrote:
> > A monitor interface created on one of the (hwsim or other!) wiphys shows
> > all packets seen by that device.
>
> Weird. When I try to reproduce the same with a physical network
> interface, I can see no packets. It only shows the 802.11 protocol.
> With mac80211_hwsim, in turn, I can see, for example, TCP packets and
> their headers include the 802.11 header.
At least with mac80211 drivers that should work everywhere, though you
may get encrypted packets if software crypto is used, or crypto headers
if hardware crypto is used etc.
johannes
prev parent reply other threads:[~2019-09-27 14:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-27 1:54 mac80211_hwsim: packets being transmitted through the monitor interface Ramon Fontes
2019-09-27 12:16 ` Johannes Berg
2019-09-27 12:30 ` Ramon Fontes
2019-09-27 12:35 ` Johannes Berg
2019-09-27 13:01 ` Ramon Fontes
2019-09-27 14:00 ` Johannes Berg [this message]
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