[RFC 0/3] cfg80211, mac80211: Introduce radiotap flags for finer userspace control of injection

["Stefanik Gábor" <netrolller.3d@gmail.com>]

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.

The new fields are as follows:

 * IEEE80211_RADIOTAP_TX_FLAGS

   IEEE80211_RADIOTAP_F_TX_NO_ACK: Transmit the packet once with no wai=
ting for
				   an ACK and no retrying if no ACK received
   IEEE80211_RADIOTAP_F_TX_NO_SEQ: Use the sequence number already pres=
ent in
				   the 802.11 header, do not generate a new one
				   in the driver/stack. Useful when injecting
				   fragments with the same sequence number.

Signed-off-by: G=E1bor Stefanik <netrolller.3d@gmail.com>

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