mirror of
https://github.com/Telecominfraproject/wlan-ap.git
synced 2025-10-30 18:07:52 +00:00
136 lines
4.7 KiB
Diff
136 lines
4.7 KiB
Diff
From 8de8cd8380af0c43d4fde67a668d79ef73b26b26 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 10/19] mesh: Allow DFS channels to be selected if dfs is
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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 | 25 +++++++++++++++++++------
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1 file changed, 19 insertions(+), 6 deletions(-)
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--- a/wpa_supplicant/wpa_supplicant.c
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+++ b/wpa_supplicant/wpa_supplicant.c
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@@ -2638,7 +2638,7 @@ static int drv_supports_vht(struct 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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@@ -2647,7 +2647,10 @@ static bool ibss_mesh_is_80mhz_avail(int
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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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@@ -2774,7 +2777,7 @@ static void ibss_mesh_select_40mhz(struc
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const struct wpa_ssid *ssid,
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struct hostapd_hw_modes *mode,
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struct hostapd_freq_params *freq,
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- int obss_scan) {
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+ int obss_scan, bool dfs_enabled) {
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int chan_idx;
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struct hostapd_channel_data *pri_chan = NULL, *sec_chan = NULL;
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int i, res;
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@@ -2798,8 +2801,11 @@ static void ibss_mesh_select_40mhz(struc
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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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#ifdef CONFIG_HT_OVERRIDES
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if (ssid->disable_ht40)
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@@ -2825,8 +2831,11 @@ static void ibss_mesh_select_40mhz(struc
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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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@@ -2880,7 +2889,7 @@ static bool ibss_mesh_select_80_160mhz(s
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const struct wpa_ssid *ssid,
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struct hostapd_hw_modes *mode,
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struct hostapd_freq_params *freq,
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- int ieee80211_mode, bool is_6ghz) {
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+ int ieee80211_mode, bool is_6ghz, bool dfs_enabled) {
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static const int bw80[] = {
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5180, 5260, 5500, 5580, 5660, 5745, 5825,
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5955, 6035, 6115, 6195, 6275, 6355, 6435,
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@@ -2925,7 +2934,7 @@ static bool ibss_mesh_select_80_160mhz(s
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goto skip_80mhz;
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/* Use 40 MHz 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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goto skip_80mhz;
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chwidth = CONF_OPER_CHWIDTH_80MHZ;
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@@ -2939,7 +2948,7 @@ static bool ibss_mesh_select_80_160mhz(s
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if ((mode->he_capab[ieee80211_mode].phy_cap[
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HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &
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HE_PHYCAP_CHANNEL_WIDTH_SET_160MHZ_IN_5G) && is_6ghz &&
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- ibss_mesh_is_80mhz_avail(channel + 16, mode)) {
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+ ibss_mesh_is_80mhz_avail(channel + 16, mode, dfs_enabled)) {
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for (j = 0; j < ARRAY_SIZE(bw160); j++) {
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if (freq->freq == bw160[j]) {
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chwidth = CONF_OPER_CHWIDTH_160MHZ;
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@@ -2967,10 +2976,12 @@ static bool ibss_mesh_select_80_160mhz(s
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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 = CONF_OPER_CHWIDTH_80P80MHZ;
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@@ -3025,6 +3036,7 @@ void ibss_mesh_setup_freq(struct wpa_sup
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int i, obss_scan = 1;
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u8 channel;
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bool is_6ghz;
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+ bool dfs_enabled = wpa_s->conf->country[0] && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_RADAR);
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freq->freq = ssid->frequency;
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@@ -3070,9 +3082,9 @@ void ibss_mesh_setup_freq(struct wpa_sup
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freq->channel = channel;
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/* Setup higher BW only for 5 GHz */
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if (mode->mode == HOSTAPD_MODE_IEEE80211A) {
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- ibss_mesh_select_40mhz(wpa_s, ssid, mode, freq, obss_scan);
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+ ibss_mesh_select_40mhz(wpa_s, ssid, mode, freq, obss_scan, dfs_enabled);
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if (!ibss_mesh_select_80_160mhz(wpa_s, ssid, mode, freq,
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- ieee80211_mode, is_6ghz))
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+ ieee80211_mode, is_6ghz, dfs_enabled))
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freq->he_enabled = freq->vht_enabled = false;
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}
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