package/madwifi/patches/387-maxassoc.patch

   1 --- a/net80211/ieee80211_var.h
   2 +++ b/net80211/ieee80211_var.h
   3 @@ -198,6 +198,7 @@ struct ieee80211vap {
   4         u_int32_t iv_debug;                             /* debug msg flags */
   5         struct ieee80211_stats iv_stats;                /* statistics */
   6
   7 +       int iv_max_nodes;
   8         int iv_monitor_nods_only;                       /* in monitor mode only nods traffic */
   9         int iv_monitor_txf_len;                         /* in monitor mode, truncate tx packets */
  10         int iv_monitor_phy_errors;                      /* in monitor mode, accept phy errors */
  11 --- a/net80211/ieee80211_ioctl.h
  12 +++ b/net80211/ieee80211_ioctl.h
  13 @@ -650,6 +650,7 @@ enum {
  14         IEEE80211_PARAM_RSSI_DIS_THR    = 80,   /* rssi threshold for disconnection */
  15         IEEE80211_PARAM_RSSI_DIS_COUNT  = 81,   /* counter for rssi threshold */
  16         IEEE80211_PARAM_WDS_SEP                 = 82,   /* move wds stations into separate interfaces */
  17 +       IEEE80211_PARAM_MAXASSOC                = 83,   /* maximum associated stations */
  18  };
  19
  20  #define        SIOCG80211STATS                 (SIOCDEVPRIVATE+2)
  21 --- a/net80211/ieee80211_wireless.c
  22 +++ b/net80211/ieee80211_wireless.c
  23 @@ -2875,6 +2875,12 @@ ieee80211_ioctl_setparam(struct net_devi
  24                 else
  25                         vap->iv_flags_ext &= ~IEEE80211_FEXT_WDSSEP;
  26                 break;
  27 +       case IEEE80211_PARAM_MAXASSOC:
  28 +               if (vap->iv_opmode != IEEE80211_M_HOSTAP)
  29 +                       retv = -EINVAL;
  30 +               else
  31 +                       vap->iv_max_nodes = value;
  32 +               break;
  33  #ifdef ATH_REVERSE_ENGINEERING
  34         case IEEE80211_PARAM_DUMPREGS:
  35                 ieee80211_dump_registers(dev, info, w, extra);
  36 @@ -3234,6 +3240,9 @@ ieee80211_ioctl_getparam(struct net_devi
  37         case IEEE80211_PARAM_WDS_SEP:
  38                 param[0] = !!(vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP);
  39                 break;
  40 +       case IEEE80211_PARAM_MAXASSOC:
  41 +               param[0] = vap->iv_max_nodes;
  42 +               break;
  43         default:
  44                 return -EOPNOTSUPP;
  45         }
  46 @@ -5789,6 +5798,10 @@ static const struct iw_priv_args ieee802
  47          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wdssep"},
  48         { IEEE80211_PARAM_WDS_SEP,
  49          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_wdssep"},
  50 +       { IEEE80211_PARAM_MAXASSOC,
  51 +        IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maxassoc"},
  52 +       { IEEE80211_PARAM_MAXASSOC,
  53 +        0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_maxassoc"},
  54
  55  #ifdef ATH_REVERSE_ENGINEERING
  56         /*
  57 --- a/net80211/ieee80211_input.c
  58 +++ b/net80211/ieee80211_input.c
  59 @@ -4020,7 +4020,26 @@ ieee80211_recv_mgmt(struct ieee80211vap
  60                         vap->iv_stats.is_rx_assoc_norate++;
  61                         return;
  62                 }
  63 +               if (vap->iv_max_nodes > 0) {
  64 +                       unsigned int active_nodes = 0;
  65 +                       struct ieee80211_node *tni;
  66 +
  67 +                       IEEE80211_NODE_TABLE_LOCK_IRQ(&ic->ic_sta);
  68 +                       TAILQ_FOREACH(tni, &ic->ic_sta.nt_node, ni_list) {
  69 +                               if (tni->ni_vap != vap)
  70 +                                       continue;
  71 +                               if (tni->ni_associd == 0)
  72 +                                       continue;
  73 +                               active_nodes++;
  74 +                       }
  75 +                       IEEE80211_NODE_TABLE_UNLOCK_IRQ(&ic->ic_sta);
  76
  77 +                       if (active_nodes >= vap->iv_max_nodes) {
  78 +                               /* too many nodes connected */
  79 +                               ieee80211_node_leave(ni);
  80 +                               return;
  81 +                       }
  82 +               }
  83                 if (ni->ni_associd != 0 &&
  84                     IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) {
  85                         if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)