On 26/03/15 07:30, Michal Kazior wrote: > On 25 March 2015 at 16:34, Jose Antonio Delgado Alfonso > <jose.delgado@xxxxxxxxxx> wrote: >> Hi all, >> >> I would like to ask Qualcomm's collaborators about this topic. >> >> We are trying to certify a AP product which uses QCA988x radio module. >> We are using the ath10k driver (kernel v3.17.8) and firmware from Ben >> Greear. We are trying to pass the Dynamic Channel test, which consists >> in setting the radio at 80MHz and, at the same time, setting other >> signal in the secondary channel. So far, the radio module does not >> reduce the bandwidth and remains transmitting at 80MHz. >> >> Please, Does someone know if Dynamic Channel Access is really supported >> by ath10k driver in newest kernel versions? > You haven't really defined what kind of "other signal" you set up. > ath10k sets/enables dynamic_bw wmi parameter in ath10k_start(). From > what I know dynamic_bw does enable fw/hw to downgrade traffic from > 80MHz to 40MHz in case there's other 802.11 traffic on the subband > happening at least on 10.1.467 - not sure about non-802.11 traffic. I > suppose newer firmware revisions do that too. I'm not sure about > 999.999.0.636 though. > > > Michał > > _______________________________________________ > ath10k mailing list > ath10k@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/ath10k I tested with other AP and also with a signal generator emitting a flat noise of 20 MHz continuously. I will check how function ath10k_start is implemented in my kernel tree and if that parameter is really enabled on my setup. Thanks. Jose A. Delgado -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
