diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2008-07-25 22:36:18 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2008-07-25 22:36:18 +0000 |
| commit | 9866151941e1081a24c113ed9afe442b35284a57 (patch) | |
| tree | 6292a0ff221a2e3c312adf793a4f9a750d098e47 /package/madwifi/patches/362-rssithr.patch | |
| parent | 192e5ac41d6ff15f04578c950f87e7a34824f304 (diff) | |
| download | upstream-9866151941e1081a24c113ed9afe442b35284a57.tar.gz upstream-9866151941e1081a24c113ed9afe442b35284a57.tar.bz2 upstream-9866151941e1081a24c113ed9afe442b35284a57.zip | |
madwifi: reduce the packet loss impact of forced background scans triggered by the configured threshold
SVN-Revision: 11925
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 137e64ad52..c1654d59b6 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 */ |