On Wed, May 05, 2021 at 09:16:44AM +0000, Stärk Nadja wrote: > Hello, > > I'm working with NetworkManager v1.22.8 and face some issues with my 5 GHz > access point. > > I need to create it on DFS channel 100 and when a radar event is detected the > channel should be switched. > > Debug output of wpa_supplicant is enabled. > If I send a radar event through the debugfs to channel 100 now, I can see > that it was received by wpa_supplicant: > > nl80211: Event message available > > nl80211: Drv Event 94 (NL80211_CMD_RADAR_DETECT) received for p2p-dev-wlan0 > > nl80211: DFS event on freq 5500 MHz, ht: 1, offset: 0, width: 1, cf1: > 5500MHz, cf2: 0MHz > > p2p-dev-wlan0: Event DFS_RADAR_DETECTED (42) received
Hi, the event is detected on p2p-dev-wlan0, which is a P2P interface; probably it should be on wlan0 instead. How do you simulate the event? > But the channel is not switched. > > > I made some debugging in wpa_supplicant (v2.9) and figured out that the > function wpas_ap_event_dfs_radar_detected in ap.c instantly returned because > the wpa_s->ap_iface and the wpa_s->ifmsh is empty. > > > > Is the NetworkManager able to handle a fully working 5 GHz access point? Do I > just need to add some extra configurations? Yes, I think it should if you set property 'wifi.band' to 'a'. Beniamino
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