+++ /dev/null
-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
-@@ -656,6 +656,8 @@
- IEEE80211_PARAM_PROTMODE_RSSI = 85, /* RSSI Threshold for enabling protection mode */
- IEEE80211_PARAM_PROTMODE_TIMEOUT = 86, /* Timeout for expiring protection mode */
- IEEE80211_PARAM_BGSCAN_THRESH = 87, /* bg scan rssi threshold */
-+ IEEE80211_PARAM_RSSI_DIS_THR = 88, /* rssi threshold for disconnection */
-+ IEEE80211_PARAM_RSSI_DIS_COUNT = 89, /* counter for rssi threshold */
- };
-
- #define SIOCG80211STATS (SIOCDEVPRIVATE+2)
---- a/net80211/ieee80211_wireless.c
-+++ b/net80211/ieee80211_wireless.c
-@@ -2832,6 +2832,12 @@
- case IEEE80211_PARAM_ROAM_RATE_11G:
- vap->iv_roam.rate11g = 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) {
-@@ -3220,6 +3226,12 @@
- case IEEE80211_PARAM_ROAM_RATE_11G:
- param[0] = vap->iv_roam.rate11g;
- 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))
-@@ -5770,6 +5782,14 @@
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rate11g_x2" },
- { IEEE80211_PARAM_ROAM_RATE_11G,
- 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_rate11g_x2" },
-+ { 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
-@@ -3234,6 +3234,17 @@
-
- /* When rssi is low, start doing bgscans more frequently to allow
- * the supplicant to make a better switching decision */
-+ 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 0;
-+ }
-+ } else {
-+ vap->iv_rssi_dis_trig = 0;
-+ }
-+ }
- if ((rssi < vap->iv_bgscanthr) &&
- (!vap->iv_bgscanthr_next ||
- !time_before(jiffies, vap->iv_bgscanthr_next)) &&
---- a/net80211/ieee80211_var.h
-+++ b/net80211/ieee80211_var.h
-@@ -233,6 +233,9 @@
- 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 */
- u_int iv_scanvalid; /* scan cache valid threshold */
- struct ieee80211_roam iv_roam; /* sta-mode roaming state */