mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 16:19:42 +02:00
c537863342
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13096 3c298f89-4303-0410-b956-a3cf2f4a3e73
94 lines
3.8 KiB
Diff
94 lines
3.8 KiB
Diff
Add an optional threshold for low-rssi disconnection. This can be useful
|
|
when letting wpa_supplicant control roaming.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
--- a/net80211/ieee80211_ioctl.h
|
|
+++ b/net80211/ieee80211_ioctl.h
|
|
@@ -647,6 +647,8 @@ enum {
|
|
IEEE80211_PARAM_PROTMODE_RSSI = 77, /* RSSI Threshold for enabling protection mode */
|
|
IEEE80211_PARAM_PROTMODE_TIMEOUT = 78, /* Timeout for expiring protection mode */
|
|
IEEE80211_PARAM_BGSCAN_THRESH = 79, /* bg scan rssi threshold */
|
|
+ IEEE80211_PARAM_RSSI_DIS_THR = 80, /* rssi threshold for disconnection */
|
|
+ IEEE80211_PARAM_RSSI_DIS_COUNT = 81, /* counter for rssi threshold */
|
|
};
|
|
|
|
#define SIOCG80211STATS (SIOCDEVPRIVATE+2)
|
|
--- a/net80211/ieee80211_wireless.c
|
|
+++ b/net80211/ieee80211_wireless.c
|
|
@@ -2799,6 +2799,12 @@ ieee80211_ioctl_setparam(struct net_devi
|
|
case IEEE80211_PARAM_ROAM_RATE_11G:
|
|
vap->iv_roam.rate11b = value;
|
|
break;
|
|
+ case IEEE80211_PARAM_RSSI_DIS_THR:
|
|
+ vap->iv_rssi_dis_thr = value;
|
|
+ break;
|
|
+ case IEEE80211_PARAM_RSSI_DIS_COUNT:
|
|
+ vap->iv_rssi_dis_max = value;
|
|
+ break;
|
|
case IEEE80211_PARAM_UAPSDINFO:
|
|
if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
|
|
if (ic->ic_caps & IEEE80211_C_UAPSD) {
|
|
@@ -3184,6 +3190,12 @@ ieee80211_ioctl_getparam(struct net_devi
|
|
case IEEE80211_PARAM_ROAM_RATE_11G:
|
|
param[0] = vap->iv_roam.rate11b;
|
|
break;
|
|
+ case IEEE80211_PARAM_RSSI_DIS_THR:
|
|
+ param[0] = vap->iv_rssi_dis_thr;
|
|
+ break;
|
|
+ case IEEE80211_PARAM_RSSI_DIS_COUNT:
|
|
+ param[0] = vap->iv_rssi_dis_max;
|
|
+ break;
|
|
case IEEE80211_PARAM_UAPSDINFO:
|
|
if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
|
|
if (IEEE80211_VAP_UAPSD_ENABLED(vap))
|
|
@@ -5733,6 +5745,14 @@ static const struct iw_priv_args ieee802
|
|
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rate11g" },
|
|
{ IEEE80211_PARAM_ROAM_RATE_11G,
|
|
0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rate11g" },
|
|
+ { IEEE80211_PARAM_RSSI_DIS_THR,
|
|
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rssi_disthr" },
|
|
+ { IEEE80211_PARAM_RSSI_DIS_THR,
|
|
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rssi_disthr" },
|
|
+ { IEEE80211_PARAM_RSSI_DIS_COUNT,
|
|
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rssi_discnt" },
|
|
+ { IEEE80211_PARAM_RSSI_DIS_COUNT,
|
|
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rssi_discnt" },
|
|
{ IEEE80211_PARAM_UAPSDINFO,
|
|
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "uapsd" },
|
|
{ IEEE80211_PARAM_UAPSDINFO,
|
|
--- a/net80211/ieee80211_input.c
|
|
+++ b/net80211/ieee80211_input.c
|
|
@@ -3261,6 +3261,19 @@ ieee80211_recv_mgmt(struct ieee80211vap
|
|
memcpy(ni->ni_tstamp.data, scan.tstamp,
|
|
sizeof(ni->ni_tstamp));
|
|
|
|
+ /* when rssi falls below the disconnection threshold, drop the connection */
|
|
+ if ((vap->iv_rssi_dis_thr > 0) && (vap->iv_rssi_dis_max > 0)) {
|
|
+ if ((rssi > 0) && (rssi < vap->iv_rssi_dis_thr)) {
|
|
+ if (++vap->iv_rssi_dis_trig > vap->iv_rssi_dis_max) {
|
|
+ vap->iv_rssi_dis_trig = 0;
|
|
+ ieee80211_node_leave(ni);
|
|
+ return;
|
|
+ }
|
|
+ } else {
|
|
+ vap->iv_rssi_dis_trig = 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
/* When rssi is low, start doing bgscans more frequently to allow
|
|
* the supplicant to make a better switching decision */
|
|
if (!(ic->ic_flags & IEEE80211_F_SCAN) && (rssi < vap->iv_bgscanthr) &&
|
|
--- a/net80211/ieee80211_var.h
|
|
+++ b/net80211/ieee80211_var.h
|
|
@@ -223,6 +223,9 @@ struct ieee80211vap {
|
|
u_int iv_bgscanintvl; /* bg scan min interval */
|
|
u_int iv_bgscanthr; /* bg scan rssi threshold */
|
|
u_int iv_bgscantrintvl; /* bg scan trigger interval */
|
|
+ u_int iv_rssi_dis_thr; /* rssi disassoc threshold */
|
|
+ u_int iv_rssi_dis_max; /* max beacons below disconnect threshold */
|
|
+ u_int iv_rssi_dis_trig; /* rssi disassoc trigger count */
|
|
unsigned long iv_bgscanthr_next; /* last trigger for bgscan */
|
|
unsigned long iv_lastconnect; /* time of last connect attempt */
|
|
u_int iv_scanvalid; /* scan cache valid threshold */
|