package/network/services/hostapd/patches/720-iface_max_num_sta.patch

   1 --- a/hostapd/config_file.c
   2 +++ b/hostapd/config_file.c
   3 @@ -3041,6 +3041,14 @@ static int hostapd_config_fill(struct ho
   4                                    line, bss->max_num_sta, MAX_STA_COUNT);
   5                         return 1;
   6                 }
   7 +       } else if (os_strcmp(buf, "iface_max_num_sta") == 0) {
   8 +               conf->max_num_sta = atoi(pos);
   9 +               if (conf->max_num_sta < 0 ||
  10 +                   conf->max_num_sta > MAX_STA_COUNT) {
  11 +                       wpa_printf(MSG_ERROR, "Line %d: Invalid max_num_sta=%d; allowed range 0..%d",
  12 +                                  line, conf->max_num_sta, MAX_STA_COUNT);
  13 +                       return 1;
  14 +               }
  15         } else if (os_strcmp(buf, "wpa") == 0) {
  16                 bss->wpa = atoi(pos);
  17         } else if (os_strcmp(buf, "extended_key_id") == 0) {
  18 --- a/src/ap/hostapd.h
  19 +++ b/src/ap/hostapd.h
  20 @@ -754,6 +754,7 @@ void hostapd_cleanup_cs_params(struct ho
  21  void hostapd_periodic_iface(struct hostapd_iface *iface);
  22  int hostapd_owe_trans_get_info(struct hostapd_data *hapd);
  23  void hostapd_ocv_check_csa_sa_query(void *eloop_ctx, void *timeout_ctx);
  24 +int hostapd_check_max_sta(struct hostapd_data *hapd);
  25
  26  void hostapd_switch_color(struct hostapd_data *hapd, u64 bitmap);
  27  void hostapd_cleanup_cca_params(struct hostapd_data *hapd);
  28 --- a/src/ap/hostapd.c
  29 +++ b/src/ap/hostapd.c
  30 @@ -247,6 +247,29 @@ static int hostapd_iface_conf_changed(st
  31         return 0;
  32  }
  33
  34 +static inline int hostapd_iface_num_sta(struct hostapd_iface *iface)
  35 +{
  36 +       int num_sta = 0;
  37 +       int i;
  38 +
  39 +       for (i = 0; i < iface->num_bss; i++)
  40 +               num_sta += iface->bss[i]->num_sta;
  41 +
  42 +       return num_sta;
  43 +}
  44 +
  45 +
  46 +int hostapd_check_max_sta(struct hostapd_data *hapd)
  47 +{
  48 +       if (hapd->num_sta >= hapd->conf->max_num_sta)
  49 +               return 1;
  50 +
  51 +       if (hapd->iconf->max_num_sta &&
  52 +           hostapd_iface_num_sta(hapd->iface) >= hapd->iconf->max_num_sta)
  53 +               return 1;
  54 +
  55 +       return 0;
  56 +}
  57
  58  int hostapd_reload_config(struct hostapd_iface *iface)
  59  {
  60 --- a/src/ap/beacon.c
  61 +++ b/src/ap/beacon.c
  62 @@ -1567,7 +1567,7 @@ void handle_probe_req(struct hostapd_dat
  63         if (hapd->conf->no_probe_resp_if_max_sta &&
  64             is_multicast_ether_addr(mgmt->da) &&
  65             is_multicast_ether_addr(mgmt->bssid) &&
  66 -           hapd->num_sta >= hapd->conf->max_num_sta &&
  67 +           hostapd_check_max_sta(hapd) &&
  68             !ap_get_sta(hapd, mgmt->sa)) {
  69                 wpa_printf(MSG_MSGDUMP, "%s: Ignore Probe Request from " MACSTR
  70                            " since no room for additional STA",
  71 --- a/src/ap/ap_config.h
  72 +++ b/src/ap/ap_config.h
  73 @@ -1057,6 +1057,8 @@ struct hostapd_config {
  74         unsigned int track_sta_max_num;
  75         unsigned int track_sta_max_age;
  76
  77 +       int max_num_sta;
  78 +
  79         char country[3]; /* first two octets: country code as described in
  80                           * ISO/IEC 3166-1. Third octet:
  81                           * ' ' (ascii 32): all environments