package/madwifi/patches/346-protmode_trig.patch

   1 Index: madwifi-trunk-r3314/net80211/ieee80211.c
   2 ===================================================================
   3 --- madwifi-trunk-r3314.orig/net80211/ieee80211.c       2008-04-21 05:22:20.000000000 +0200
   4 +++ madwifi-trunk-r3314/net80211/ieee80211.c    2008-04-21 05:23:46.000000000 +0200
   5 @@ -333,7 +333,9 @@
   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-r3314/net80211/ieee80211_input.c
  17 ===================================================================
  18 --- madwifi-trunk-r3314.orig/net80211/ieee80211_input.c 2008-04-21 05:22:32.000000000 +0200
  19 +++ madwifi-trunk-r3314/net80211/ieee80211_input.c      2008-04-21 05:23:46.000000000 +0200
  20 @@ -3412,16 +3412,32 @@
  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 +               if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
  44 +                       (ic->ic_protmode_lasttrig + ic->ic_protmode_timeout * HZ <
  45 +                               jiffies)) {
  46 +                       struct ieee80211vap *tmpvap;
  47 +
  48 +                       /* expire protection mode */
  49 +                       ic->ic_flags &= ~IEEE80211_F_USEPROT;
  50 +                       TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
  51 +                               tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
  52 +                       }
  53 +               }
  54 +
  55
  56                 /*
  57                  * If scanning, just pass information to the scan module.
  58 Index: madwifi-trunk-r3314/net80211/ieee80211_ioctl.h
  59 ===================================================================
  60 --- madwifi-trunk-r3314.orig/net80211/ieee80211_ioctl.h 2008-04-21 05:22:20.000000000 +0200
  61 +++ madwifi-trunk-r3314/net80211/ieee80211_ioctl.h      2008-04-21 05:23:46.000000000 +0200
  62 @@ -643,6 +643,8 @@
  63         IEEE80211_PARAM_BEACON_MISS_THRESH_MS   = 74,   /* Beacon miss threshold (in ms) */
  64         IEEE80211_PARAM_MAXRATE                 = 75,   /* Maximum rate (by table index) */
  65         IEEE80211_PARAM_MINRATE                 = 76,   /* Maximum rate (by table index) */
  66 +       IEEE80211_PARAM_PROTMODE_RSSI           = 77,   /* RSSI Threshold for enabling protection mode */
  67 +       IEEE80211_PARAM_PROTMODE_TIMEOUT        = 78,   /* Timeout for expiring protection mode */
  68  };
  69
  70  #define        SIOCG80211STATS                 (SIOCDEVPRIVATE+2)
  71 Index: madwifi-trunk-r3314/net80211/ieee80211_var.h
  72 ===================================================================
  73 --- madwifi-trunk-r3314.orig/net80211/ieee80211_var.h   2008-04-21 05:22:20.000000000 +0200
  74 +++ madwifi-trunk-r3314/net80211/ieee80211_var.h        2008-04-21 05:41:45.000000000 +0200
  75 @@ -128,6 +128,9 @@
  76
  77  #define        IEEE80211_APPIE_MAX     1024
  78
  79 +#define IEEE80211_PROTMODE_RSSITHR     15      /* default rssi threshold for protection mode trigger */
  80 +#define IEEE80211_PROTMODE_TIMEOUT     30      /* timeout for keeping protection mode alive */
  81 +
  82  #define IEEE80211_PWRCONSTRAINT_VAL(ic) \
  83         (((ic)->ic_bsschan->ic_maxregpower > (ic)->ic_curchanmaxpwr) ? \
  84             (ic)->ic_bsschan->ic_maxregpower - (ic)->ic_curchanmaxpwr : 0)
  85 @@ -324,6 +327,9 @@
  86         u_int16_t ic_newtxpowlimit;             /* tx power limit to change to (in 0.5 dBm) */
  87         u_int16_t ic_uapsdmaxtriggers;          /* max triggers that could arrive */
  88         u_int8_t ic_coverageclass;              /* coverage class */
  89 +       u_int8_t ic_protmode_rssi;                      /* rssi threshold for protection mode */
  90 +       u_int64_t ic_protmode_lasttrig;         /* last trigger for protection mode */
  91 +       u_int16_t ic_protmode_timeout;          /* protection mode timeout */
  92
  93         /* Channel state:
  94          *
  95 Index: madwifi-trunk-r3314/net80211/ieee80211_wireless.c
  96 ===================================================================
  97 --- madwifi-trunk-r3314.orig/net80211/ieee80211_wireless.c      2008-04-21 05:22:20.000000000 +0200
  98 +++ madwifi-trunk-r3314/net80211/ieee80211_wireless.c   2008-04-21 05:23:46.000000000 +0200
  99 @@ -2312,6 +2312,12 @@
 100                     IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
 101                         retv = ENETRESET;
 102                 break;
 103 +       case IEEE80211_PARAM_PROTMODE_TIMEOUT:
 104 +               ic->ic_protmode_timeout = value;
 105 +               break;
 106 +       case IEEE80211_PARAM_PROTMODE_RSSI:
 107 +               ic->ic_protmode_rssi = value;
 108 +               break;
 109         case IEEE80211_PARAM_MCASTCIPHER:
 110                 if ((vap->iv_caps & cipher2cap(value)) == 0 &&
 111                     !ieee80211_crypto_available(vap, value))
 112 @@ -2955,6 +2961,12 @@
 113         case IEEE80211_PARAM_PROTMODE:
 114                 param[0] = ic->ic_protmode;
 115                 break;
 116 +       case IEEE80211_PARAM_PROTMODE_TIMEOUT:
 117 +               param[0] = ic->ic_protmode_timeout;
 118 +               break;
 119 +       case IEEE80211_PARAM_PROTMODE_RSSI:
 120 +               param[0] = ic->ic_protmode_rssi;
 121 +               break;
 122         case IEEE80211_PARAM_MCASTCIPHER:
 123                 param[0] = rsn->rsn_mcastcipher;
 124                 break;
 125 @@ -5346,6 +5358,14 @@
 126           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protmode" },
 127         { IEEE80211_PARAM_PROTMODE,
 128           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protmode" },
 129 +       { IEEE80211_PARAM_PROTMODE_RSSI,
 130 +         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protrssi" },
 131 +       { IEEE80211_PARAM_PROTMODE_RSSI,
 132 +         0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protrssi" },
 133 +       { IEEE80211_PARAM_PROTMODE_TIMEOUT,
 134 +         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "prottime" },
 135 +       { IEEE80211_PARAM_PROTMODE_TIMEOUT,
 136 +         0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_prottime" },
 137         { IEEE80211_PARAM_MCASTCIPHER,
 138           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcastcipher" },
 139         { IEEE80211_PARAM_MCASTCIPHER,