diff mbox series

[v2,11/15] mesh: Allow DFS channels to be selected if dfs is enabled

Message ID d92fc933bd0e51fe9b333a0456fadcf69657c476.1523526306.git.peter.oh@bowerswilkins.com
State Changes Requested
Headers show
Series mesh: enable DFS channels in mesh mode | expand

Commit Message

Peter Oh April 12, 2018, 9:49 a.m. UTC 
From: Peter Oh <peter.oh@bowerswilkins.com>

Note: DFS is assumed to be usable if a country code has been set

Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
---
 wpa_supplicant/wpa_supplicant.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 9ee099613..9e9d03769 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -2033,6 +2033,8 @@  void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
 	struct hostapd_freq_params vht_freq;
 	int chwidth, seg0, seg1;
 	u32 vht_caps = 0;
+	int dfs_enabled = wpa_s->conf->country[0] &&
+		(wpa_s->drv_flags & WPA_DRIVER_FLAGS_RADAR);
 
 	freq->freq = ssid->frequency;
 
@@ -2109,8 +2111,11 @@  void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
 		return;
 
 	/* Check primary channel flags */
-	if (pri_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
+	if (pri_chan->flag & HOSTAPD_CHAN_DISABLED)
 		return;
+	if (pri_chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
+		if (!dfs_enabled)
+			return;
 
 #ifdef CONFIG_HT_OVERRIDES
 	if (ssid->disable_ht40)
@@ -2136,8 +2141,11 @@  void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
 		return;
 
 	/* Check secondary channel flags */
-	if (sec_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
+	if (sec_chan->flag & HOSTAPD_CHAN_DISABLED)
 		return;
+	if (sec_chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
+		if (!dfs_enabled)
+			return;
 
 	freq->channel = pri_chan->chan;
 
@@ -2227,8 +2235,11 @@  void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
 			return;
 
 		/* Back to HT configuration if channel not usable */
-		if (chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
+		if (chan->flag & HOSTAPD_CHAN_DISABLED)
 			return;
+		if (chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
+			if (!dfs_enabled)
+				return;
 	}
 
 	chwidth = VHT_CHANWIDTH_80MHZ;
@@ -2248,10 +2259,11 @@  void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
 				if (!chan)
 					continue;
 
-				if (chan->flag & (HOSTAPD_CHAN_DISABLED |
-						  HOSTAPD_CHAN_NO_IR |
-						  HOSTAPD_CHAN_RADAR))
+				if (chan->flag & HOSTAPD_CHAN_DISABLED)
 					continue;
+				if (chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
+					if (!dfs_enabled)
+						continue;
 
 				/* Found a suitable second segment for 80+80 */
 				chwidth = VHT_CHANWIDTH_80P80MHZ;