On Tue, Jan 31, 2012 at 7:45 AM, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > On 1/26/2012 4:37 AM, Victor Goldenshtein wrote: >> >> Prior starting tx on DFS channels, the DFS master >> device shall perform a Channel Availability Check >> to ensure that there is no radar interference on >> those channels. Once CAC done, the tx can be >> enabled with ieee80211_dfs_en_tx(). > > > How do you expect this to be used by the device? It seems that it should > have the side effect of lifting some TX-prohibited flag instead? In wl12xx driver we starting the AP role, and clearing FLAG_DFS_CAC_IN_PROGRESS. Maybe the function name is misleading here ? maybe we should rename it to something like resume_dfs_cac() - because it is called at the end of the CAC test. The other question is whether we want to add DFS flags into mac? I mean something like FLAG_DFS_CAC_IN_PROGRESS. -- Thanks, Victor. -- 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