diff options
Diffstat (limited to 'package/madwifi/patches/362-rssithr.patch')
| -rw-r--r-- | package/madwifi/patches/362-rssithr.patch | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/package/madwifi/patches/362-rssithr.patch b/package/madwifi/patches/362-rssithr.patch new file mode 100644 index 000000000..5a86833bb --- /dev/null +++ b/package/madwifi/patches/362-rssithr.patch @@ -0,0 +1,93 @@ +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 */ |