mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-18 22:43:53 +01:00
136 lines
4.8 KiB
Diff
136 lines
4.8 KiB
Diff
--- a/net80211/ieee80211.c
|
|
+++ b/net80211/ieee80211.c
|
|
@@ -347,7 +347,9 @@
|
|
IEEE80211_MS_TO_TU(IEEE80211_BMISSTHRESH_DEFAULT_MS),
|
|
ic->ic_lintval), ic->ic_lintval);
|
|
}
|
|
-
|
|
+ ic->ic_protmode_timeout = IEEE80211_PROTMODE_TIMEOUT;
|
|
+ ic->ic_protmode_rssi = IEEE80211_PROTMODE_RSSITHR;
|
|
+
|
|
IEEE80211_LOCK_INIT(ic, "ieee80211com");
|
|
IEEE80211_VAPS_LOCK_INIT(ic, "ieee80211com_vaps");
|
|
TAILQ_INIT(&ic->ic_vaps);
|
|
--- a/net80211/ieee80211_input.c
|
|
+++ b/net80211/ieee80211_input.c
|
|
@@ -3382,14 +3382,18 @@
|
|
IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
|
|
|
|
/* Assume no ERP IE == 11b AP */
|
|
- if ((!has_erp || (has_erp && (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
|
|
- !(ic->ic_flags & IEEE80211_F_USEPROT)) {
|
|
+ if ((!has_erp || (has_erp &&
|
|
+ (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
|
|
+ (rssi > ic->ic_protmode_rssi)) {
|
|
struct ieee80211vap *tmpvap;
|
|
|
|
- ic->ic_flags |= IEEE80211_F_USEPROT;
|
|
- TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
|
|
- tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
|
|
+ if (!(ic->ic_flags & IEEE80211_F_USEPROT)) {
|
|
+ ic->ic_flags |= IEEE80211_F_USEPROT;
|
|
+ TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
|
|
+ tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
|
|
+ }
|
|
}
|
|
+ ic->ic_protmode_lasttrig = jiffies;
|
|
}
|
|
}
|
|
|
|
--- a/net80211/ieee80211_ioctl.h
|
|
+++ b/net80211/ieee80211_ioctl.h
|
|
@@ -652,6 +652,8 @@
|
|
IEEE80211_PARAM_LEAKTXBUFS = 82, /* Leak tx buffers */
|
|
IEEE80211_PARAM_MAXRATE = 83, /* Maximum rate (by table index) */
|
|
IEEE80211_PARAM_MINRATE = 84, /* Minimum rate (by table index) */
|
|
+ IEEE80211_PARAM_PROTMODE_RSSI = 85, /* RSSI Threshold for enabling protection mode */
|
|
+ IEEE80211_PARAM_PROTMODE_TIMEOUT = 86, /* Timeout for expiring protection mode */
|
|
};
|
|
|
|
#define SIOCG80211STATS (SIOCDEVPRIVATE+2)
|
|
--- a/net80211/ieee80211_var.h
|
|
+++ b/net80211/ieee80211_var.h
|
|
@@ -138,6 +138,9 @@
|
|
|
|
#define IEEE80211_APPIE_MAX 1024
|
|
|
|
+#define IEEE80211_PROTMODE_RSSITHR 15 /* default rssi threshold for protection mode trigger */
|
|
+#define IEEE80211_PROTMODE_TIMEOUT 30 /* timeout for keeping protection mode alive */
|
|
+
|
|
#define IEEE80211_PWRCONSTRAINT_VAL(ic) \
|
|
(((ic)->ic_bsschan->ic_maxregpower > (ic)->ic_curchanmaxpwr) ? \
|
|
(ic)->ic_bsschan->ic_maxregpower - (ic)->ic_curchanmaxpwr : 0)
|
|
@@ -335,6 +338,9 @@
|
|
u_int16_t ic_newtxpowlimit; /* tx power limit to change to (in 0.5 dBm) */
|
|
u_int16_t ic_uapsdmaxtriggers; /* max triggers that could arrive */
|
|
u_int8_t ic_coverageclass; /* coverage class */
|
|
+ u_int8_t ic_protmode_rssi; /* rssi threshold for protection mode */
|
|
+ u_int64_t ic_protmode_lasttrig; /* last trigger for protection mode */
|
|
+ u_int16_t ic_protmode_timeout; /* protection mode timeout */
|
|
|
|
/* Channel state:
|
|
*
|
|
--- a/net80211/ieee80211_wireless.c
|
|
+++ b/net80211/ieee80211_wireless.c
|
|
@@ -2336,6 +2336,12 @@
|
|
case IEEE80211_PARAM_RSSI_EWMA:
|
|
ic->ic_rssi_ewma = value;
|
|
break;
|
|
+ case IEEE80211_PARAM_PROTMODE_TIMEOUT:
|
|
+ ic->ic_protmode_timeout = value;
|
|
+ break;
|
|
+ case IEEE80211_PARAM_PROTMODE_RSSI:
|
|
+ ic->ic_protmode_rssi = value;
|
|
+ break;
|
|
case IEEE80211_PARAM_MCASTCIPHER:
|
|
if ((vap->iv_caps & cipher2cap(value)) == 0 &&
|
|
!ieee80211_crypto_available(vap, value))
|
|
@@ -2992,6 +2998,12 @@
|
|
case IEEE80211_PARAM_RSSI_EWMA:
|
|
param[0] = ic->ic_rssi_ewma;
|
|
break;
|
|
+ case IEEE80211_PARAM_PROTMODE_TIMEOUT:
|
|
+ param[0] = ic->ic_protmode_timeout;
|
|
+ break;
|
|
+ case IEEE80211_PARAM_PROTMODE_RSSI:
|
|
+ param[0] = ic->ic_protmode_rssi;
|
|
+ break;
|
|
case IEEE80211_PARAM_MCASTCIPHER:
|
|
param[0] = rsn->rsn_mcastcipher;
|
|
break;
|
|
@@ -5384,6 +5396,14 @@
|
|
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protmode" },
|
|
{ IEEE80211_PARAM_PROTMODE,
|
|
0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protmode" },
|
|
+ { IEEE80211_PARAM_PROTMODE_RSSI,
|
|
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "protrssi" },
|
|
+ { IEEE80211_PARAM_PROTMODE_RSSI,
|
|
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_protrssi" },
|
|
+ { IEEE80211_PARAM_PROTMODE_TIMEOUT,
|
|
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "prottime" },
|
|
+ { IEEE80211_PARAM_PROTMODE_TIMEOUT,
|
|
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_prottime" },
|
|
{ IEEE80211_PARAM_MCASTCIPHER,
|
|
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcastcipher" },
|
|
{ IEEE80211_PARAM_MCASTCIPHER,
|
|
--- a/net80211/ieee80211_node.c
|
|
+++ b/net80211/ieee80211_node.c
|
|
@@ -1591,6 +1591,17 @@
|
|
|
|
ieee80211_scan_timeout(ic);
|
|
ieee80211_timeout_stations(&ic->ic_sta);
|
|
+ if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
|
|
+ (ic->ic_protmode_lasttrig + ic->ic_protmode_timeout * HZ <
|
|
+ jiffies)) {
|
|
+ struct ieee80211vap *tmpvap;
|
|
+
|
|
+ /* expire protection mode */
|
|
+ ic->ic_flags &= ~IEEE80211_F_USEPROT;
|
|
+ TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
|
|
+ tmpvap->iv_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
|
|
+ }
|
|
+ }
|
|
|
|
mod_timer(&ic->ic_inact, jiffies + IEEE80211_INACT_WAIT * HZ);
|
|
}
|