37f7f635ea25eb79b30eee415c90e12938df1ea5
[oweals/openwrt.git] /
1 From 89fa0d75fb1be82330258082ed3d7fd452eb6076 Mon Sep 17 00:00:00 2001
2 From: Peter Oh <peter.oh@bowerswilkins.com>
3 Date: Mon, 27 Aug 2018 14:28:45 -0700
4 Subject: [PATCH 3/7] mesh: Allow DFS channels to be selected if dfs is enabled
5
6 Note: DFS is assumed to be usable if a country code has been set
7
8 Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
9 Signed-off-by: Peter Oh <peter.oh@bowerswilkins.com>
10 ---
11  wpa_supplicant/wpa_supplicant.c | 24 ++++++++++++++++++------
12  1 file changed, 18 insertions(+), 6 deletions(-)
13
14 --- a/wpa_supplicant/wpa_supplicant.c
15 +++ b/wpa_supplicant/wpa_supplicant.c
16 @@ -2153,6 +2153,8 @@ void ibss_mesh_setup_freq(struct wpa_sup
17         struct hostapd_freq_params vht_freq;
18         int chwidth, seg0, seg1;
19         u32 vht_caps = 0;
20 +       int dfs_enabled = wpa_s->conf->country[0] &&
21 +               (wpa_s->drv_flags & WPA_DRIVER_FLAGS_RADAR);
22  
23         freq->freq = ssid->frequency;
24  
25 @@ -2232,8 +2234,11 @@ void ibss_mesh_setup_freq(struct wpa_sup
26                 return;
27  
28         /* Check primary channel flags */
29 -       if (pri_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
30 +       if (pri_chan->flag & HOSTAPD_CHAN_DISABLED)
31                 return;
32 +       if (pri_chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
33 +               if (!dfs_enabled)
34 +                       return;
35  
36         freq->channel = pri_chan->chan;
37  
38 @@ -2264,8 +2269,11 @@ void ibss_mesh_setup_freq(struct wpa_sup
39                 return;
40  
41         /* Check secondary channel flags */
42 -       if (sec_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
43 +       if (sec_chan->flag & HOSTAPD_CHAN_DISABLED)
44                 return;
45 +       if (sec_chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
46 +               if (!dfs_enabled)
47 +                       return;
48  
49         if (ht40 == -1) {
50                 if (!(pri_chan->flag & HOSTAPD_CHAN_HT40MINUS))
51 @@ -2356,8 +2364,11 @@ skip_ht40:
52                         return;
53  
54                 /* Back to HT configuration if channel not usable */
55 -               if (chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
56 +               if (chan->flag & HOSTAPD_CHAN_DISABLED)
57                         return;
58 +               if (chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
59 +                       if (!dfs_enabled)
60 +                               return;
61         }
62  
63         chwidth = CHANWIDTH_80MHZ;
64 @@ -2377,10 +2388,11 @@ skip_ht40:
65                                 if (!chan)
66                                         continue;
67  
68 -                               if (chan->flag & (HOSTAPD_CHAN_DISABLED |
69 -                                                 HOSTAPD_CHAN_NO_IR |
70 -                                                 HOSTAPD_CHAN_RADAR))
71 +                               if (chan->flag & HOSTAPD_CHAN_DISABLED)
72                                         continue;
73 +                               if (chan->flag & (HOSTAPD_CHAN_RADAR | HOSTAPD_CHAN_NO_IR))
74 +                                       if (!dfs_enabled)
75 +                                               continue;
76  
77                                 /* Found a suitable second segment for 80+80 */
78                                 chwidth = CHANWIDTH_80P80MHZ;