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

[Richard Farina <sidhayn@gmail.com>]

Johannes Berg wrote:
> On Fri, 2008-12-12 at 23:32 +0100, Stefanik G=C3=A1bor wrote:
>  =20
>> Userspace packet injector applications might want to transmit packet=
s
>> 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" Radiot=
ap
>> 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 =
waiting for
>> 				   an ACK and no retrying if no ACK received
>>    IEEE80211_RADIOTAP_F_TX_NO_SEQ: Use the sequence number already p=
resent in
>> 				   the 802.11 header, do not generate a new one
>> 				   in the driver/stack. Useful when injecting
>> 				   fragments with the same sequence number.
>>    =20
>
> Umm, these aren't really defined by radiotap yet. Does all of this ha=
ve
> to be NOW?
>
>  =20
Is there a compelling reason to prohibit progress?

--Rick
> johannes
>  =20

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