On 12/18/2014 05:21 PM, Helmut Schaa wrote: > Hi, > > [...] > > So, every channel has a CAC time of 60 seconds. > > Checking version 1.7.2 of the ETSI regulation indicates that we might > need some modifications to cfg80211: > > From [1] page 79: > > "NOTE 1: For channels whose nominal bandwidth falls completely or > partly within the > band 5 600 MHz to 5 650 MHz, the Channel Availability Check Time shall be > 10 minutes. > NOTE 2: For channels whose nominal bandwidth falls completely or > partly within the > band 5 600 MHz to 5 650 MHz, the Off-Channel CAC Time shall be within the > range 1 hour to 24 hours." > > So, for these channels we should select a longer initial CAC time. > > Is anyone aware of this issue? > > Thanks, > Helmut > > > [1] http://www.etsi.org/deliver/etsi_en/301800_301899/301893/01.07.02_20/en_301893v010702a.pdf > -- Hello Helmut, just forget about those aka 'weather channels' that require a pracitcally impossible to achieve radar detection probability rate (99.99% during CAC, see table D.5). They should simply be disabled, either at mac layer, or at least in ath/regd.c. Cheers, Zefir -- 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
