diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-07-25 22:36:18 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-07-25 22:36:18 +0000 |
| commit | c3e464ad094b6c2862cdde82adf3c67b548ad3b3 (patch) | |
| tree | 51032ba164788bb0c5f5a53547359c9689a2b00f /package/madwifi/patches/362-rssithr.patch | |
| parent | b4d5d57d94eb92f45dad5665490c9b5c0f65826c (diff) | |
madwifi: reduce the packet loss impact of forced background scans triggered by the configured threshold
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11925 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/madwifi/patches/362-rssithr.patch')
| -rw-r--r-- | package/madwifi/patches/362-rssithr.patch | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/package/madwifi/patches/362-rssithr.patch b/package/madwifi/patches/362-rssithr.patch index 137e64ad5..c1654d59b 100644 --- a/package/madwifi/patches/362-rssithr.patch +++ b/package/madwifi/patches/362-rssithr.patch @@ -59,10 +59,11 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org> { IEEE80211_PARAM_UAPSDINFO, --- a/net80211/ieee80211_input.c +++ b/net80211/ieee80211_input.c -@@ -3263,6 +3263,17 @@ +@@ -3261,6 +3261,19 @@ + memcpy(ni->ni_tstamp.data, scan.tstamp, + sizeof(ni->ni_tstamp)); - /* When rssi is low, start doing bgscans more frequently to allow - * the supplicant to make a better switching decision */ ++ /* 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) { @@ -74,9 +75,10 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org> + vap->iv_rssi_dis_trig = 0; + } + } - if ((rssi < vap->iv_bgscanthr) && - (!vap->iv_bgscanthr_next || - !time_before(jiffies, vap->iv_bgscanthr_next)) && ++ + /* 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 @@ @@ -87,5 +89,5 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org> + 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 */ - struct ieee80211_roam iv_roam; /* sta-mode roaming state */ |