109 lines
3.4 KiB
Diff
109 lines
3.4 KiB
Diff
From 4b6c9580dae47d20f429f0e2738183969acf29b8 Mon Sep 17 00:00:00 2001
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From: Peter Oh <peter.oh@bowerswilkins.com>
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Date: Tue, 30 Jun 2020 14:18:58 +0200
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Subject: [PATCH] mesh: Allow DFS channels to be selected if dfs is enabled
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Note: DFS is assumed to be usable if a country code has been set
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Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
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Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
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---
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wpa_supplicant/wpa_supplicant.c | 31 ++++++++++++++++++++++---------
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1 file changed, 22 insertions(+), 9 deletions(-)
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diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
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index cf68417ca..fb47942c9 100644
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--- a/wpa_supplicant/wpa_supplicant.c
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+++ b/wpa_supplicant/wpa_supplicant.c
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@@ -2425,7 +2425,7 @@ static int drv_supports_vht(struct wpa_supplicant *wpa_s,
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}
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-static bool ibss_mesh_is_80mhz_avail(int channel, struct hostapd_hw_modes *mode)
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+static bool ibss_mesh_is_80mhz_avail(int channel, struct hostapd_hw_modes *mode, bool dfs_enabled)
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{
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int i;
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@@ -2434,7 +2434,10 @@ static bool ibss_mesh_is_80mhz_avail(int channel, struct hostapd_hw_modes *mode)
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chan = hw_get_channel_chan(mode, i, NULL);
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if (!chan ||
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- chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
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+ chan->flag & HOSTAPD_CHAN_DISABLED)
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+ return false;
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+
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+ if (!dfs_enabled && chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
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return false;
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}
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@@ -2463,6 +2466,8 @@ void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
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int chwidth, seg0, seg1;
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u32 vht_caps = 0;
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bool is_24ghz, is_6ghz;
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+ bool dfs_enabled = wpa_s->conf->country[0] &&
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+ (wpa_s->drv_flags & WPA_DRIVER_FLAGS_RADAR);
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freq->freq = ssid->frequency;
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@@ -2559,8 +2564,11 @@ void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
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return;
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/* Check primary channel flags */
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- if (pri_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
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+ if (pri_chan->flag & HOSTAPD_CHAN_DISABLED)
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return;
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+ if (pri_chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
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+ if (!dfs_enabled)
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+ return;
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freq->channel = pri_chan->chan;
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@@ -2593,8 +2601,11 @@ void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
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return;
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/* Check secondary channel flags */
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- if (sec_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
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+ if (sec_chan->flag & HOSTAPD_CHAN_DISABLED)
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return;
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+ if (sec_chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
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+ if (!dfs_enabled)
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+ return;
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if (ht40 == -1) {
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if (!(pri_chan->flag & HOSTAPD_CHAN_HT40MINUS))
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@@ -2683,7 +2694,7 @@ skip_to_6ghz:
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return;
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/* Back to HT configuration if channel not usable */
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- if (!ibss_mesh_is_80mhz_avail(channel, mode))
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+ if (!ibss_mesh_is_80mhz_avail(channel, mode, dfs_enabled))
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return;
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chwidth = CHANWIDTH_80MHZ;
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@@ -2697,7 +2708,7 @@ skip_to_6ghz:
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* above; check the remaining four 20 MHz channels for the total
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* of 160 MHz bandwidth.
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*/
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- if (!ibss_mesh_is_80mhz_avail(channel + 16, mode))
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+ if (!ibss_mesh_is_80mhz_avail(channel + 16, mode, dfs_enabled))
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return;
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for (j = 0; j < ARRAY_SIZE(bw160); j++) {
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@@ -2727,10 +2738,12 @@ skip_to_6ghz:
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if (!chan)
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continue;
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- if (chan->flag & (HOSTAPD_CHAN_DISABLED |
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- HOSTAPD_CHAN_NO_IR |
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- HOSTAPD_CHAN_RADAR))
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+ if (chan->flag & HOSTAPD_CHAN_DISABLED)
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continue;
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+ if (chan->flag & (HOSTAPD_CHAN_RADAR |
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+ HOSTAPD_CHAN_NO_IR))
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+ if (!dfs_enabled)
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+ continue;
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/* Found a suitable second segment for 80+80 */
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chwidth = CHANWIDTH_80P80MHZ;
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