package/network/services/hostapd/patches/800-acs-don-t-select-indoor-channel-on-outdoor-operation.patch

   1 From 37528a5205cb0b9e2238b7d97fb2ff5457448f1c Mon Sep 17 00:00:00 2001
   2 From: David Bauer <mail@david-bauer.net>
   3 Date: Thu, 8 Sep 2022 01:45:41 +0200
   4 Subject: [PATCH] acs: don't select indoor channel on outdoor operation
   5
   6 Don't select channels designated for exclusive-indoor use when the
   7 country3 element is set on outdoor operation.
   8
   9 Signed-off-by: David Bauer <mail@david-bauer.net>
  10 ---
  11  src/ap/acs.c | 9 +++++++++
  12  src/ap/dfs.c | 3 +++
  13  2 files changed, 12 insertions(+)
  14
  15 --- a/src/ap/acs.c
  16 +++ b/src/ap/acs.c
  17 @@ -552,6 +552,9 @@ static void acs_survey_mode_interference
  18                 if (chan->max_tx_power < iface->conf->min_tx_power)
  19                         continue;
  20
  21 +               if (chan->flag & HOSTAPD_CHAN_INDOOR_ONLY && iface->conf->country[2] == 0x4f)
  22 +                       continue;
  23 +
  24                 wpa_printf(MSG_DEBUG, "ACS: Survey analysis for channel %d (%d MHz)",
  25                            chan->chan, chan->freq);
  26
  27 @@ -686,6 +689,9 @@ acs_find_ideal_chan_mode(struct hostapd_
  28                 if (chan->max_tx_power < iface->conf->min_tx_power)
  29                         continue;
  30
  31 +               if (chan->flag & HOSTAPD_CHAN_INDOOR_ONLY && iface->conf->country[2] == 0x4f)
  32 +                       continue;
  33 +
  34                 if (!chan_bw_allowed(chan, bw, 1, 1)) {
  35                         wpa_printf(MSG_DEBUG,
  36                                    "ACS: Channel %d: BW %u is not supported",
  37 @@ -1067,6 +1073,9 @@ static int * acs_request_scan_add_freqs(
  38                 if (chan->max_tx_power < iface->conf->min_tx_power)
  39                         continue;
  40
  41 +               if (chan->flag & HOSTAPD_CHAN_INDOOR_ONLY && iface->conf->country[2] == 0x4f)
  42 +                       continue;
  43 +
  44                 *freq++ = chan->freq;
  45         }
  46
  47 --- a/src/ap/dfs.c
  48 +++ b/src/ap/dfs.c
  49 @@ -282,6 +282,9 @@ static int dfs_find_channel(struct hosta
  50                 if (chan->max_tx_power < iface->conf->min_tx_power)
  51                         continue;
  52
  53 +               if (chan->flag & HOSTAPD_CHAN_INDOOR_ONLY && iface->conf->country[2] == 0x4f)
  54 +                       continue;
  55 +
  56                 if (ret_chan && idx == channel_idx) {
  57                         wpa_printf(MSG_DEBUG, "Selected channel %d (%d)",
  58                                    chan->freq, chan->chan);