package/madwifi/patches-r3776/311-protmode_trigger.patch

   1 Index: madwifi-trunk-r3776/net80211/ieee80211.c
   2 ===================================================================
   3 --- madwifi-trunk-r3776.orig/net80211/ieee80211.c       2008-07-17 00:21:29.000000000 +0200
   4 +++ madwifi-trunk-r3776/net80211/ieee80211.c    2008-07-17 02:56:18.000000000 +0200
   5 @@ -347,7 +347,9 @@
   6                         IEEE80211_MS_TO_TU(IEEE80211_BMISSTHRESH_DEFAULT_MS),
   7                         ic->ic_lintval), ic->ic_lintval);
   8         }
   9 -
  10 +       ic->ic_protmode_timeout = IEEE80211_PROTMODE_TIMEOUT;
  11 +       ic->ic_protmode_rssi = IEEE80211_PROTMODE_RSSITHR;
  12 +
  13         IEEE80211_LOCK_INIT(ic, "ieee80211com");
  14         IEEE80211_VAPS_LOCK_INIT(ic, "ieee80211com_vaps");
  15         TAILQ_INIT(&ic->ic_vaps);
  16 Index: madwifi-trunk-r3776/net80211/ieee80211_input.c
  17 ===================================================================
  18 --- madwifi-trunk-r3776.orig/net80211/ieee80211_input.c 2008-07-17 02:30:28.000000000 +0200
  19 +++ madwifi-trunk-r3776/net80211/ieee80211_input.c      2008-07-17 02:56:18.000000000 +0200
  20 @@ -3382,14 +3382,18 @@
  21                         IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
  22
  23                         /* Assume no ERP IE == 11b AP */
  24 -                       if ((!has_erp || (has_erp && (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
  25 -                               !(ic->ic_flags & IEEE80211_F_USEPROT)) {
  26 +                       if ((!has_erp || (has_erp &&
  27 +                               (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
  28 +                               (rssi > ic->ic_protmode_rssi)) {
  29                                 struct ieee80211vap *tmpvap;
  30
  31 -                               ic->ic_flags |= IEEE80211_F_USEPROT;
  32 -                               TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
  33 -                                       tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
  34 +                               if (!(ic->ic_flags & IEEE80211_F_USEPROT)) {
  35 +                                       ic->ic_flags |= IEEE80211_F_USEPROT;
  36 +                                       TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
  37 +                                               tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
  38 +                                       }
  39                                 }
  40 +                               ic->ic_protmode_lasttrig = jiffies;
  41                         }
  42                 }
  43
  44 Index: madwifi-trunk-r3776/net80211/ieee80211_ioctl.h
  45 ===================================================================
  46 --- madwifi-trunk-r3776.orig/net80211/ieee80211_ioctl.h 2008-07-17 02:25:53.000000000 +0200
  47 +++ madwifi-trunk-r3776/net80211/ieee80211_ioctl.h      2008-07-17 02:56:52.000000000 +0200
  48 @@ -652,6 +652,8 @@
  49         IEEE80211_PARAM_LEAKTXBUFS              = 82,   /* Leak tx buffers */
  50         IEEE80211_PARAM_MAXRATE                 = 83,   /* Maximum rate (by table index) */
  51         IEEE80211_PARAM_MINRATE                 = 84,   /* Minimum rate (by table index) */
  52 +       IEEE80211_PARAM_PROTMODE_RSSI           = 85,   /* RSSI Threshold for enabling protection mode */
  53 +       IEEE80211_PARAM_PROTMODE_TIMEOUT        = 86,   /* Timeout for expiring protection mode */
  54  };
  55
  56  #define        SIOCG80211STATS                 (SIOCDEVPRIVATE+2)
  57 Index: madwifi-trunk-r3776/net80211/ieee80211_var.h
  58 ===================================================================
  59 --- madwifi-trunk-r3776.orig/net80211/ieee80211_var.h   2008-07-17 02:23:00.000000000 +0200
  60 +++ madwifi-trunk-r3776/net80211/ieee80211_var.h        2008-07-17 02:56:18.000000000 +0200
  61 @@ -138,6 +138,9 @@
  62
  63  #define        IEEE80211_APPIE_MAX     1024
  64
  65 +#define IEEE80211_PROTMODE_RSSITHR     15      /* default rssi threshold for protection mode trigger */
  66 +#define IEEE80211_PROTMODE_TIMEOUT     30      /* timeout for keeping protection mode alive */
  67 +
  68  #define IEEE80211_PWRCONSTRAINT_VAL(ic) \
  69         (((ic)->ic_bsschan->ic_maxregpower > (ic)->ic_curchanmaxpwr) ? \
  70             (ic)->ic_bsschan->ic_maxregpower - (ic)->ic_curchanmaxpwr : 0)
  71 @@ -335,6 +338,9 @@
  72         u_int16_t ic_newtxpowlimit;             /* tx power limit to change to (in 0.5 dBm) */
  73         u_int16_t ic_uapsdmaxtriggers;          /* max triggers that could arrive */
  74         u_int8_t ic_coverageclass;              /* coverage class */
  75 +       u_int8_t ic_protmode_rssi;                      /* rssi threshold for protection mode */
  76 +       u_int64_t ic_protmode_lasttrig;         /* last trigger for protection mode */
  77 +       u_int16_t ic_protmode_timeout;          /* protection mode timeout */
  78
  79         /* Channel state:
  80          *
  81 Index: madwifi-trunk-r3776/net80211/ieee80211_wireless.c
  82 ===================================================================
  83 --- madwifi-trunk-r3776.orig/net80211/ieee80211_wireless.c      2008-07-17 02:26:17.000000000 +0200
  84 +++ madwifi-trunk-r3776/net80211/ieee80211_wireless.c   2008-07-17 02:56:18.000000000 +0200
  85 @@ -2336,6 +2336,12 @@
  86         case IEEE80211_PARAM_RSSI_EWMA:
  87                 ic->ic_rssi_ewma = value;
  88                 break;
  89 +       case IEEE80211_PARAM_PROTMODE_TIMEOUT:
  90 +               ic->ic_protmode_timeout = value;
  91 +               break;
  92 +       case IEEE80211_PARAM_PROTMODE_RSSI:
  93 +               ic->ic_protmode_rssi = value;
  94 +               break;
  95         case IEEE80211_PARAM_MCASTCIPHER:
  96                 if ((vap->iv_caps & cipher2cap(value)) == 0 &&
  97                     !ieee80211_crypto_available(vap, value))
  98 @@ -2992,6 +2998,12 @@
  99         case IEEE80211_PARAM_RSSI_EWMA:
 100                 param[0] = ic->ic_rssi_ewma;
 101                 break;
 102 +       case IEEE80211_PARAM_PROTMODE_TIMEOUT:
 103 +               param[0] = ic->ic_protmode_timeout;
 104 +               break;
 105 +       case IEEE80211_PARAM_PROTMODE_RSSI:
 106 +               param[0] = ic->ic_protmode_rssi;
 107 +               break;
 108         case IEEE80211_PARAM_MCASTCIPHER:
 109                 param[0] = rsn->rsn_mcastcipher;
 110                 break;
 111 @@ -5384,6 +5396,14 @@
 112           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protmode" },
 113         { IEEE80211_PARAM_PROTMODE,
 114           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protmode" },
 115 +       { IEEE80211_PARAM_PROTMODE_RSSI,
 116 +         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protrssi" },
 117 +       { IEEE80211_PARAM_PROTMODE_RSSI,
 118 +         0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protrssi" },
 119 +       { IEEE80211_PARAM_PROTMODE_TIMEOUT,
 120 +         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "prottime" },
 121 +       { IEEE80211_PARAM_PROTMODE_TIMEOUT,
 122 +         0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_prottime" },
 123         { IEEE80211_PARAM_MCASTCIPHER,
 124           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcastcipher" },
 125         { IEEE80211_PARAM_MCASTCIPHER,
 126 Index: madwifi-trunk-r3776/net80211/ieee80211_node.c
 127 ===================================================================
 128 --- madwifi-trunk-r3776.orig/net80211/ieee80211_node.c  2008-07-17 02:20:51.000000000 +0200
 129 +++ madwifi-trunk-r3776/net80211/ieee80211_node.c       2008-07-17 02:56:18.000000000 +0200
 130 @@ -1591,6 +1591,17 @@
 131
 132         ieee80211_scan_timeout(ic);
 133         ieee80211_timeout_stations(&ic->ic_sta);
 134 +       if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
 135 +               (ic->ic_protmode_lasttrig + ic->ic_protmode_timeout * HZ <
 136 +                       jiffies)) {
 137 +               struct ieee80211vap *tmpvap;
 138 +
 139 +               /* expire protection mode */
 140 +               ic->ic_flags &= ~IEEE80211_F_USEPROT;
 141 +               TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
 142 +                       tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
 143 +               }
 144 +       }
 145
 146         mod_timer(&ic->ic_inact, jiffies + IEEE80211_INACT_WAIT * HZ);
 147  }