| From 0a1002f2105ade7141cd044bb5a6e554bd7732cf Mon Sep 17 00:00:00 2001 |
| From: StanleyYP Wang <StanleyYP.Wang@mediatek.com> |
| Date: Wed, 5 Jul 2023 10:44:15 +0800 |
| Subject: [PATCH 33/69] mtk: hostapd: Fix background channel overlapping |
| operating channel issue |
| |
| Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com> |
| --- |
| src/ap/dfs.c | 18 ++++++++++++++++++ |
| 1 file changed, 18 insertions(+) |
| |
| diff --git a/src/ap/dfs.c b/src/ap/dfs.c |
| index f5794753e..8be953287 100644 |
| --- a/src/ap/dfs.c |
| +++ b/src/ap/dfs.c |
| @@ -814,6 +814,20 @@ static int dfs_are_channels_overlapped(struct hostapd_iface *iface, int freq, |
| } |
| |
| |
| +static void dfs_check_background_overlapped(struct hostapd_iface *iface) |
| +{ |
| + int width = hostapd_get_oper_chwidth(iface->conf); |
| + |
| + if (!dfs_use_radar_background(iface)) |
| + return; |
| + |
| + if (dfs_are_channels_overlapped(iface, iface->radar_background.freq, |
| + width, iface->radar_background.centr_freq_seg0_idx, |
| + iface->radar_background.centr_freq_seg1_idx)) |
| + iface->radar_background.channel = -1; |
| +} |
| + |
| + |
| static unsigned int dfs_get_cac_time(struct hostapd_iface *iface, |
| int start_chan_idx, int n_chans) |
| { |
| @@ -1141,6 +1155,8 @@ static void hostapd_dfs_update_background_chain(struct hostapd_iface *iface) |
| &oper_centr_freq_seg1_idx, |
| &channel_type); |
| if (!channel || |
| + channel->chan == iface->conf->channel || |
| + channel->chan == iface->radar_background.channel || |
| hostapd_start_dfs_cac(iface, iface->conf->hw_mode, |
| channel->freq, channel->chan, |
| iface->conf->ieee80211n, |
| @@ -1375,6 +1391,7 @@ static int hostapd_dfs_start_channel_switch_cac(struct hostapd_iface *iface) |
| hostapd_set_oper_centr_freq_seg1_idx(iface->conf, |
| oper_centr_freq_seg1_idx); |
| err = 0; |
| + dfs_check_background_overlapped(iface); |
| |
| hostapd_setup_interface_complete(iface, err); |
| return err; |
| @@ -1502,6 +1519,7 @@ static int hostapd_dfs_start_channel_switch(struct hostapd_iface *iface) |
| hostapd_set_oper_centr_freq_seg1_idx( |
| iface->conf, oper_centr_freq_seg1_idx); |
| |
| + dfs_check_background_overlapped(iface); |
| hostapd_disable_iface(iface); |
| hostapd_enable_iface(iface); |
| return 0; |
| -- |
| 2.39.2 |
| |