Hi Sergey, On Sun, Oct 15, 2017 at 8:51 PM, Sergey Matyukevich <sergey.matyukevich.os@xxxxxxxxxxxxx> wrote: >> > Add new command to register for receiving multiple mgmt frames, >> > capture and print them. Frames are selected by their type and >> > pattern containing their the first several bytes of the frame >> > that should match. >> > >> >> Forgive me for asking, what does this provide that isn't already >> available in tshark? And since we already have user-space tools >> tailored for capturing and filtering any frames, including management >> frames, why do we need to add this to iw? > > IIUC tshark and other specific capture tools need wireless netdevice to be > in monitor mode. This particular iw command is based on NL80211_CMD_REGISTER_FRAME > and related cfg80211 ops. In fact, this command can be used to subscribe > to mgmt frames when wireless device is up and running in AP or STA mode. > That can be convenient for monitor and debug purposes. There is a > limitation though: currently cfg80211 core allows only one subscriber > for each particular frame/pattern. Stupid question: Can Wireshark / Tshark be taught how to do this? Thanks, -- Julian Calaby Email: julian.calaby@xxxxxxxxx Profile: http://www.google.com/profiles/julian.calaby/
