Subject: Re: [RFC 0/3] cfg80211, mac80211: Introduce radiotap flags for
	finer userspace control of injection
From: Johannes Berg <johannes@sipsolutions.net>
To: Stefanik =?ISO-8859-1?Q?G=E1bor?= <netrolller.3d@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>,
	linux-wireless <linux-wireless@vger.kernel.org>
In-Reply-To: <69e28c910812121432k1e8732bcma77e489d247ecdf4@mail.gmail.com> (sfid-20081212_233239_864570_76D3B7E9)
References: <69e28c910812121432k1e8732bcma77e489d247ecdf4@mail.gmail.com>
	 (sfid-20081212_233239_864570_76D3B7E9)
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Date: Fri, 12 Dec 2008 23:37:46 +0100
Message-Id: <1229121467.3565.2.camel@johannes.berg> (sfid-20081212_233757_413993_469C6010)
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On Fri, 2008-12-12 at 23:32 +0100, Stefanik G=C3=A1bor wrote:
> Userspace packet injector applications might want to transmit packets
> that are, by design, not supposed to be acked. In other cases, an
> injector application may need to control the sequence number of the
> packets it transmits. Introduce 2 new flags in the "TX flags" Radiotap
> fields, controlling these 2 behaviors.
>=20
> The new fields are as follows:
>=20
>  * IEEE80211_RADIOTAP_TX_FLAGS
>=20
>    IEEE80211_RADIOTAP_F_TX_NO_ACK: Transmit the packet once with no waiti=
ng for
> 				   an ACK and no retrying if no ACK received
>    IEEE80211_RADIOTAP_F_TX_NO_SEQ: Use the sequence number already presen=
t in
> 				   the 802.11 header, do not generate a new one
> 				   in the driver/stack. Useful when injecting
> 				   fragments with the same sequence number.

Umm, these aren't really defined by radiotap yet. Does all of this have
to be NOW?

johannes

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