On Fri, May 9, 2014 at 4:23 AM, Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx> wrote: > Scenario: > 1) Driver register regd as "US" > 2) cfg80211 set wiphy_regd->dfs_region = FCC > 3) now I change country to FR > 4) cfg80211_regd->dfs_region == ETSI > wiphy_regd->dfs_region == FCC > 6) start CAC (this call get_dfs_region) > 5) next get warning > device specific dfs_region (FCC) disagrees with cfg80211's central dfs_region (ETSI) > > Seems checking wiphy_regd->dfs_region is not required, while > there is no way to register more than one dfs_region from > the driver when registering regd. > > With patch: > cfg80211: allow restricting supported dfs regions > driver will supported dfs regions using bitmap. > This seems like a more correct approach. Can you verify if we are not allowing combination of DFS wiphys to be registered then, because it would be pointless to let a wiphy go up as a master device if we have the use the central regulatory domain for DFS and share it. If such checks are not in place your patch implicates we need it. Luis -- 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
