Am 20.10.2014 um 21:29 schrieb Johannes Berg: > On Mon, 2014-10-20 at 21:09 +0200, Oleksij Rempel wrote: >> Hi Johannes, >> >> since this function was added by you, may be you can help here (commit >> f09603a259). ath9k_htc support max 8 STAs in AP or ADHOC mode. If more >> then 8 stations connected, driver will return error, but >> sta_info_insert_drv_state() setting it to zero. >> What was initial purpose of this? > > The reason for this is that it's pointless to do anything else - the > station will try to communicate with us since there's no protocol that > allows rejecting the link. We therefore don't fail here, and try to > communicate with the station anyway - that might end up with not having > proper rate scaling etc. but is still better. > > johannes hmm.. suddenly rate scaling is not singe limitation of ath9k-htc. Firmware keeps some information for each STA and trying to reduce usb bandwidth. If i understand it correctly, ath10k works in the same way. It means, early or soon we need to work with some hard limits. -- Regards, Oleksij
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