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author | Felix Fietkau <nbd@openwrt.org> | 2012-10-07 12:50:15 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2012-10-07 12:50:15 +0000 |
commit | fafaa38ae55cab486f2b929a131fe433ce180224 (patch) | |
tree | 25d7e19e357623b44714e2052228a7e05eb3ade7 /package/madwifi/patches/357-bgscan_thresh.patch | |
parent | 6f752c725a5b592dff8c17f0fe4e905de22b8112 (diff) | |
download | upstream-fafaa38ae55cab486f2b929a131fe433ce180224.tar.gz upstream-fafaa38ae55cab486f2b929a131fe433ce180224.tar.bz2 upstream-fafaa38ae55cab486f2b929a131fe433ce180224.zip |
move a few unmaintained packages from trunk to /packages
SVN-Revision: 33634
Diffstat (limited to 'package/madwifi/patches/357-bgscan_thresh.patch')
-rw-r--r-- | package/madwifi/patches/357-bgscan_thresh.patch | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/package/madwifi/patches/357-bgscan_thresh.patch b/package/madwifi/patches/357-bgscan_thresh.patch deleted file mode 100644 index bf3483776f..0000000000 --- a/package/madwifi/patches/357-bgscan_thresh.patch +++ /dev/null @@ -1,160 +0,0 @@ -Add an optional background scanning threshold triggered by low rssi -(useful for passing updated scan results to the supplicant ahead of -time, before losing connectivity entirely) - -Signed-off-by: Felix Fietkau <nbd@openwrt.org> - ---- a/net80211/ieee80211_ioctl.h -+++ b/net80211/ieee80211_ioctl.h -@@ -646,6 +646,7 @@ enum { - IEEE80211_PARAM_MINRATE = 76, /* Minimum rate (by table index) */ - 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 */ - }; - - #define SIOCG80211STATS (SIOCDEVPRIVATE+2) ---- a/net80211/ieee80211_var.h -+++ b/net80211/ieee80211_var.h -@@ -92,6 +92,8 @@ - #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ - #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ - -+#define IEEE80211_BGSCAN_TRIGGER_INTVL 20 /* min trigger interval for thresh based bgscan (secs) */ -+ - #define IEEE80211_COVERAGE_CLASS_MAX 31 /* max coverage class */ - #define IEEE80211_REGCLASSIDS_MAX 10 /* max regclass id list */ - -@@ -219,6 +221,10 @@ struct ieee80211vap { - u_int8_t iv_nickname[IEEE80211_NWID_LEN]; - u_int iv_bgscanidle; /* bg scan idle threshold */ - u_int iv_bgscanintvl; /* bg scan min interval */ -+ u_int iv_bgscanthr; /* bg scan rssi threshold */ -+ u_int iv_bgscantrintvl; /* bg scan trigger interval */ -+ 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 */ - -@@ -608,6 +614,7 @@ MALLOC_DECLARE(M_80211_VAP); - #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: use software beacon timer */ - #define IEEE80211_FEXT_DROPUNENC_EAPOL 0x00000800 /* CONF: drop unencrypted eapol frames */ - #define IEEE80211_FEXT_APPIE_UPDATE 0x00001000 /* STATE: beacon APP IE updated */ -+#define IEEE80211_FEXT_BGSCAN_THR 0x00002000 /* bgscan due to low rssi */ - - #define IEEE80211_COM_UAPSD_ENABLE(_ic) ((_ic)->ic_flags_ext |= IEEE80211_FEXT_UAPSD) - #define IEEE80211_COM_UAPSD_DISABLE(_ic) ((_ic)->ic_flags_ext &= ~IEEE80211_FEXT_UAPSD) ---- a/net80211/ieee80211_wireless.c -+++ b/net80211/ieee80211_wireless.c -@@ -2744,6 +2744,9 @@ ieee80211_ioctl_setparam(struct net_devi - else - retv = EINVAL; - break; -+ case IEEE80211_PARAM_BGSCAN_THRESH: -+ vap->iv_bgscanthr = value; -+ break; - case IEEE80211_PARAM_MCAST_RATE: - /* units are in KILObits per second */ - if (value >= 256 && value <= 54000) -@@ -3144,6 +3147,9 @@ ieee80211_ioctl_getparam(struct net_devi - case IEEE80211_PARAM_BGSCAN_INTERVAL: - param[0] = vap->iv_bgscanintvl / HZ; /* seconds */ - break; -+ case IEEE80211_PARAM_BGSCAN_THRESH: -+ param[0] = vap->iv_bgscanthr; /* rssi */ -+ break; - case IEEE80211_PARAM_MCAST_RATE: - param[0] = vap->iv_mcast_rate; /* seconds */ - break; -@@ -5666,6 +5672,10 @@ static const struct iw_priv_args ieee802 - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bgscanintvl" }, - { IEEE80211_PARAM_BGSCAN_INTERVAL, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bgscanintvl" }, -+ { IEEE80211_PARAM_BGSCAN_THRESH, -+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bgscanthr" }, -+ { IEEE80211_PARAM_BGSCAN_THRESH, -+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_bgscanthr" }, - { IEEE80211_PARAM_MCAST_RATE, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "mcast_rate" }, - { IEEE80211_PARAM_MCAST_RATE, ---- a/net80211/ieee80211_input.c -+++ b/net80211/ieee80211_input.c -@@ -3013,8 +3013,10 @@ contbgscan(struct ieee80211vap *vap) - { - struct ieee80211com *ic = vap->iv_ic; - -+ vap->iv_bgscantrintvl = (vap->iv_bgscantrintvl + 1) % 4; - return ((ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) && -- time_after(jiffies, ic->ic_lastdata + vap->iv_bgscanidle)); -+ (((ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN_THR) && !vap->iv_bgscantrintvl) || -+ time_after(jiffies, ic->ic_lastdata + vap->iv_bgscanidle))); - } - - static __inline int -@@ -3258,6 +3260,25 @@ ieee80211_recv_mgmt(struct ieee80211vap - /* record tsf of last beacon */ - 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 */ -+ if (!(ic->ic_flags & IEEE80211_F_SCAN) && (rssi < vap->iv_bgscanthr) && -+ (!vap->iv_bgscanthr_next || -+ !time_before(jiffies, vap->iv_bgscanthr_next)) && -+ (vap->iv_state == IEEE80211_S_RUN) && -+ time_after(jiffies, vap->iv_lastconnect + -+ msecs_to_jiffies(IEEE80211_BGSCAN_INTVAL_MIN * 1000))) { -+ int ret; -+ -+ ic->ic_lastdata = 0; -+ ic->ic_lastscan = 0; -+ ic->ic_flags_ext |= IEEE80211_FEXT_BGSCAN_THR; -+ ret = ieee80211_bg_scan(vap); -+ if (ret) -+ vap->iv_bgscanthr_next = jiffies + msecs_to_jiffies(IEEE80211_BGSCAN_TRIGGER_INTVL * 1000); -+ } -+ - if (ni->ni_intval != scan.bintval) { - IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC, ni, - "beacon interval divergence: " ---- a/net80211/ieee80211_scan.c -+++ b/net80211/ieee80211_scan.c -@@ -616,6 +616,7 @@ ieee80211_cancel_scan(struct ieee80211va - - /* clear bg scan NOPICK and mark cancel request */ - ss->ss_flags &= ~IEEE80211_SCAN_NOPICK; -+ ic->ic_flags_ext &= ~IEEE80211_FEXT_BGSCAN_THR; - SCAN_PRIVATE(ss)->ss_iflags |= ISCAN_CANCEL; - ss->ss_ops->scan_cancel(ss, vap); - /* force it to fire asap */ -@@ -782,7 +783,7 @@ again: - ieee80211_sta_pwrsave(vap, 0); - if (ss->ss_next >= ss->ss_last) { - ieee80211_notify_scan_done(vap); -- ic->ic_flags_ext &= ~IEEE80211_FEXT_BGSCAN; -+ ic->ic_flags_ext &= ~(IEEE80211_FEXT_BGSCAN|IEEE80211_FEXT_BGSCAN_THR); - } - } - SCAN_PRIVATE(ss)->ss_iflags &= ~ISCAN_CANCEL; ---- a/net80211/ieee80211_proto.c -+++ b/net80211/ieee80211_proto.c -@@ -1450,6 +1450,7 @@ __ieee80211_newstate(struct ieee80211vap - } - break; - case IEEE80211_S_AUTH: -+ vap->iv_lastconnect = jiffies; - /* auth frames are possible between IBSS nodes, - * see 802.11-1999, chapter 5.7.6 */ - KASSERT(vap->iv_opmode == IEEE80211_M_STA || ---- a/net80211/ieee80211_output.c -+++ b/net80211/ieee80211_output.c -@@ -238,7 +238,8 @@ ieee80211_hardstart(struct sk_buff *skb, - } - - /* Cancel any running BG scan */ -- ieee80211_cancel_scan(vap); -+ if (!(ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN_THR) && (vap->iv_state == IEEE80211_S_RUN)) -+ ieee80211_cancel_scan(vap); - - /* - * Find the node for the destination so we can do |