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Re: [PATCH 2/2] mac80211: Monitor mode radiotap-based packet injection

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Andy Green wrote:

However when I went on to look at leveraging that to find out if the originating interface was in Monitor mode, it seems that it might be a little bit more expensive to do that -- and it would have to be done for every tx packet in order to find out if it was injected. By contrast with the currently proposed staged system at each level the information is always available without processing, and the overhead for the common case where the packet was not injected is just testing if the if type was monitor, and then later testing a bit in flags that are already available.

From looking around the existing code, it seems something like this is called for to use the ifindex instead:

Ha, ignore this, Michael's method works just with what is to hand. Try #3 coming up.

-Andy
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