| Message ID | 20200704081221.85554-1-mail@david-bauer.net |
|---|---|
| State | Accepted |
| Headers | show |
| Series | DFS: enter DFS state if no available channel is found | expand |
On Sat, Jul 04, 2020 at 10:12:21AM +0200, David Bauer wrote: > Previously hostapd would not stop transmitting when a DFS event was > detected and no available channel to switch to was available. > > Disable and re-enable the interface to enter DFS state. This way, TX > does not happen until the kernel notifies hostapd about the NOP > expiring. Thanks, applied.
diff --git a/src/ap/dfs.c b/src/ap/dfs.c index 3c078b9cb..9dddca338 100644 --- a/src/ap/dfs.c +++ b/src/ap/dfs.c @@ -1066,8 +1066,16 @@ static int hostapd_dfs_start_channel_switch(struct hostapd_iface *iface) &oper_centr_freq_seg0_idx, &oper_centr_freq_seg1_idx, &skip_radar); - if (!channel) - return err; + if (!channel) { + /* + * Toggle interface state to enter DFS state + * until NOP is finished. + */ + hostapd_disable_iface(iface); + hostapd_enable_iface(iface); + return 0; + } + if (!skip_radar) { iface->freq = channel->freq; iface->conf->channel = channel->chan;
Previously hostapd would not stop transmitting when a DFS event was detected and no available channel to switch to was available. Disable and re-enable the interface to enter DFS state. This way, TX does not happen until the kernel notifies hostapd about the NOP expiring. Signed-off-by: David Bauer <mail@david-bauer.net> --- src/ap/dfs.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)