openwrtv3/package/network/services/hostapd/patches/0111-mesh-Allow-DFS-channels-to-be-selected-if-dfs-is-ena.patch

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From e7fc5d2e6b34102282ff94a6e5255af4b6e9ccb5 Mon Sep 17 00:00:00 2001
From: Peter Oh <peter.oh@bowerswilkins.com>
Date: Thu, 12 Apr 2018 02:49:08 -0700
Subject: [PATCH 11/15] 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
@@ -2033,6 +2033,8 @@ 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;
@@ -2109,8 +2111,11 @@ 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;
#ifdef CONFIG_HT_OVERRIDES
if (ssid->disable_ht40)
@@ -2136,8 +2141,11 @@ 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;
freq->channel = pri_chan->chan;
@@ -2227,8 +2235,11 @@ void ibss_mesh_setup_freq(struct wpa_sup
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_sup
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;