diff mbox series

[RFC,5/5] hostapd: DFS for channel switch in repeater mode

Message ID 20200128150940.17018-6-sergey.matyukevich.os@quantenna.com
State Accepted
Headers show
Series hostapd: DFS channels in chan_switch command ane event | expand

Commit Message

Sergey Matyukevich Jan. 28, 2020, 3:09 p.m. UTC 
In repeater mode remote AP may request channel switch to a new channel.
Check if DFS is required for the new channel before proceeding with
normal AP operations. Start CAC procedure if radar detection is
required and channel is not yet marked as available.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
---
 src/ap/drv_callbacks.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
index fdd845573..6575eaa9f 100644
--- a/src/ap/drv_callbacks.c
+++ b/src/ap/drv_callbacks.c
@@ -906,6 +906,13 @@  void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 	} else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
 		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
 			"freq=%d dfs=%d", freq, is_dfs);
+	} else if (is_dfs) {
+		if (hostapd_is_dfs_required(hapd->iface) &&
+		    !hostapd_is_dfs_chan_available(hapd->iface) &&
+		    !hapd->iface->cac_started) {
+			hostapd_disable_iface(hapd->iface);
+			hostapd_enable_iface(hapd->iface);
+		}
 	}
 
 	for (i = 0; i < hapd->iface->num_bss; i++)