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From 89fa0d75fb1be82330258082ed3d7fd452eb6076 Mon Sep 17 00:00:00 2001
From: Peter Oh <peter.oh@bowerswilkins.com>
Date: Mon, 27 Aug 2018 14:28:45 -0700
Subject: [PATCH 3/7] mesh: Allow DFS channels to be selected if dfs is enabled
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(-)
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -2148,6 +2148,8 @@ void ibss_mesh_setup_freq(struct wpa_sup
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;
@@ -2224,8 +2226,11 @@ void ibss_mesh_setup_freq(struct wpa_sup
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;
freq->channel = pri_chan->chan;
@@ -2256,8 +2261,11 @@ void ibss_mesh_setup_freq(struct wpa_sup
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;
if (ht40 == -1) {
if (!(pri_chan->flag & HOSTAPD_CHAN_HT40MINUS))
@@ -2348,8 +2356,11 @@ skip_ht40:
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;
@@ -2369,10 +2380,11 @@ skip_ht40:
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;
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