From e7fc5d2e6b34102282ff94a6e5255af4b6e9ccb5 Mon Sep 17 00:00:00 2001 From: Peter Oh 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 Signed-off-by: Peter Oh --- 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;