package/network/services/hostapd/patches/006-hw_features-better-debug-messages-for-some-error-cas.patch

   1 From 6522dcbbcf71abcb80cce84b93b4a9a5cfcd4fca Mon Sep 17 00:00:00 2001
   2 From: Markus Theil <markus.theil@tu-ilmenau.de>
   3 Date: Tue, 30 Jun 2020 13:53:22 +0200
   4 Subject: [PATCH 06/19] hw_features: better debug messages for some error cases
   5
   6 Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
   7 ---
   8  src/common/hw_features_common.c | 29 ++++++++++++++++++++++-------
   9  1 file changed, 22 insertions(+), 7 deletions(-)
  10
  11 --- a/src/common/hw_features_common.c
  12 +++ b/src/common/hw_features_common.c
  13 @@ -540,13 +540,18 @@ int hostapd_set_freq_params(struct hosta
  14                 if (center_segment1 ||
  15                     (center_segment0 != 0 &&
  16                      5000 + center_segment0 * 5 != data->center_freq1 &&
  17 -                    2407 + center_segment0 * 5 != data->center_freq1))
  18 +                    2407 + center_segment0 * 5 != data->center_freq1)) {
  19 +                       wpa_printf(MSG_ERROR, "20/40 MHz: center segment 0 (=%i) and center freq 1 (=%i) not in sync",
  20 +                                  center_segment0, data->center_freq1);
  21                         return -1;
  22 +               }
  23                 break;
  24         case CHANWIDTH_80P80MHZ:
  25                 if (center_segment1 == center_segment0 + 4 ||
  26 -                   center_segment1 == center_segment0 - 4)
  27 +                   center_segment1 == center_segment0 - 4) {
  28 +                       wpa_printf(MSG_ERROR, "80+80 MHz: center segment 1 only 20 MHz apart");
  29                         return -1;
  30 +               }
  31                 data->center_freq2 = 5000 + center_segment1 * 5;
  32                 /* fall through */
  33         case CHANWIDTH_80MHZ:
  34 @@ -555,8 +560,10 @@ int hostapd_set_freq_params(struct hosta
  35                      center_segment1) ||
  36                     (oper_chwidth == CHANWIDTH_80P80MHZ &&
  37                      !center_segment1) ||
  38 -                   !sec_channel_offset)
  39 +                   !sec_channel_offset) {
  40 +                       wpa_printf(MSG_ERROR, "80/80+80 MHz: center segment 1 wrong or no second channel offset");
  41                         return -1;
  42 +               }
  43                 if (!center_segment0) {
  44                         if (channel <= 48)
  45                                 center_segment0 = 42;
  46 @@ -582,16 +589,22 @@ int hostapd_set_freq_params(struct hosta
  47                             center_segment0 == channel - 2 ||
  48                             center_segment0 == channel - 6)
  49                                 data->center_freq1 = 5000 + center_segment0 * 5;
  50 -                       else
  51 +                       else {
  52 +                               wpa_printf(MSG_ERROR, "Wrong coupling between HT and VHT/HE channel setting");
  53                                 return -1;
  54 +                       }
  55                 }
  56                 break;
  57         case CHANWIDTH_160MHZ:
  58                 data->bandwidth = 160;
  59 -               if (center_segment1)
  60 +               if (center_segment1) {
  61 +                       wpa_printf(MSG_ERROR, "160 MHz: center segment 1 should not be set");
  62                         return -1;
  63 -               if (!sec_channel_offset)
  64 +               }
  65 +               if (!sec_channel_offset) {
  66 +                       wpa_printf(MSG_ERROR, "160 MHz: second channel offset not set");
  67                         return -1;
  68 +               }
  69                 /*
  70                  * Note: HT/VHT config and params are coupled. Check if
  71                  * HT40 channel band is in VHT160 channel band configuration.
  72 @@ -605,8 +618,10 @@ int hostapd_set_freq_params(struct hosta
  73                     center_segment0 == channel - 10 ||
  74                     center_segment0 == channel - 14)
  75                         data->center_freq1 = 5000 + center_segment0 * 5;
  76 -               else
  77 +               else {
  78 +                       wpa_printf(MSG_ERROR, "160 MHz: HT40 channel band is not in 160 MHz band");
  79                         return -1;
  80 +               }
  81                 break;
  82         }
  83