On Wed, 2018-09-26 at 11:04 -0700, Ben Greear wrote: > I have been running with mac80211/mlme.c's max_nullfunc_tries set to 5 for many years. > Long ago it helped with connectivity issues with lots of vdevs and and/orloaded APs > if I recall correctly. That's different, that's the number of distinct frames mac80211 will send. I thought you were asking about *retries*. > In fact, I see 62 frames captured on air all with the same sequence number > in the test I just did, and subsequent frames with the next seq-no are sent > immediately after the first one. The frames are all right after each other, so > I guess this is probably firmware doing lots of HW retransmits and then *also* > doing software retransmits in the firmware (my reading of mlme.c indicates it should > only probe every 500ms). Yes. > I think I'll start by making sure the firmware does not do software retransmits > for frames from the driver (self-gen frames are OK to be retransmitted I guess). You do want it to be doing retries for frames from the driver, since you want it to recover from temporary collisions with a microwave and whatnot ... just not *that many*, I guess. johannes
