> > On Thu, Sep 6, 2018 at 5:32 AM Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote: > > > > On Wed, Sep 05, 2018 at 08:52:18PM +0000, Sid Hayn wrote: > > > On Tue, Sep 4, 2018 at 5:11 PM Lorenzo Bianconi > > > <lorenzo.bianconi@xxxxxxxxxx> wrote: > > > > > > > > > > > > > > I have one mt76x2u (Alfa AWUS036ACM) and a few mt76x0. > > > > > > > > > > I've noticed two additional issues in my testing. > > > > > > > > > > First issue, is that it appears the mt76x0 devices don't work properly > > > > > in monitor mode. Sometimes they seem to monitor one channel properly, > > > > > but nothing else. The mt76x2u works great, channel control, lots of > > > > > packets, etc. > > > > > > > > Could you elaborate a little bit please? how can you reproduce the issue? > > > > just add an interface in monitor mode and run a scan? > > > > > > Correct, standard stuff, use iw to create a monitor mode interface, > > > use iw to remove managed mode interface, run some tool such as kismet > > > or airodump-ng or even wireshark. > > > > But what exactly are the syptomps, I don't understand what you mean by > > "mt76x0 devices don't work properly in monitor mode" ? > > Basically, when I put a device using mt76x0 into monitor mode (adding > a monitor interface with iw and removing the managed interface) it > will not report packets on any channel, or sometimes it will report > packets on one channel but not any others. I can switch channels as > much, for example hopping channel 1-11, but it will only see packets > on channel 7 and report no other packets on any other channels. In my > actual test case it was channel 44 that successfully reported packets, > but even that mostly doesn't work. I suspect the reason it reported > packets on channel 44 in one of my tests is because the channel was > set to 44 while in managed mode (connected to an AP). If I put the > device in monitor mode before connecting to any AP, it reports packets > on no channels. As such, I'm suspecting this has something to do with > channel control in monitor mode. What about if you do not remove the managed interface and sniff on the monitor one? Regards, Lorenzo > > > > > > I guess it depends on eeprom values. Could you please enable debug > > > > messages a paste > > > > syslog output? > > > > > > I don't see a mediatek specific debug near the driver selection in > > > menuconfig, what debug messages do you want me to enable and how? > > > > You need to uncomment this line: > > > > # ccflags-y := -DDEBUG > > > > in drivers/net/wireless/mediatek/mt76/mt76x0/Makefile > > found it. this box takes a few min to rebuild a kernel, so I'll get > back with this response later today hopefully. > > Thanks, > Zero > > > > Thanks > > Stanislaw > >
