41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From 45e2411ad553ed6a89fb2c4f9058e27de91c689d Mon Sep 17 00:00:00 2001
|
|
From: David Bauer <mail@david-bauer.net>
|
|
Date: Fri, 3 Jul 2020 23:00:34 +0200
|
|
Subject: [PATCH] dfs: enter DFS state if no available channel is found
|
|
|
|
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 | 11 +++++++++--
|
|
1 file changed, 9 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/src/ap/dfs.c b/src/ap/dfs.c
|
|
index 8f3630bf8..54a61b0a7 100644
|
|
--- a/src/ap/dfs.c
|
|
+++ b/src/ap/dfs.c
|
|
@@ -1086,8 +1086,15 @@ 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;
|