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add powersave fixes based on patches by Steven Luo (#4376)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17312 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-08-19 14:48:31 +00:00
parent f6b26b47a2
commit 38b0a09fbc
2 changed files with 35 additions and 0 deletions
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17
package/madwifi/patches/444-beacon_update_war.patch Normal file
View File

@ -0,0 +1,17 @@
--- a/net80211/ieee80211_beacon.c
+++ b/net80211/ieee80211_beacon.c
@@ -476,6 +476,14 @@ ieee80211_beacon_update(struct ieee80211
tie->tim_bitctl |= BITCTL_BUFD_MCAST;
else
tie->tim_bitctl &= ~BITCTL_BUFD_MCAST;
+
+ /* WAR: on some platforms, a race condition between beacon
+ * contents update and beacon transmission leads to beacon
+ * data not being updated in time. For most fields this is
+ * not critical, but for powersave it is. Work around this
+ * by always remapping the beacon when the TIM IE changes.
+ */
+ len_changed = 1;
}
/* Whenever we want to switch to a new channel, we need to follow the

18
package/madwifi/patches/445-fix_ps_sta_count.patch Normal file
View File

@ -0,0 +1,18 @@
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -1957,6 +1957,7 @@ ath_uapsd_processtriggers(struct ath_sof
if (qwh->i_fc[1] & IEEE80211_FC1_PWR_MGT) {
ni->ni_flags |=
IEEE80211_NODE_UAPSD_TRIG;
+ ni->ni_vap->iv_ps_sta++;
ic->ic_uapsdmaxtriggers++;
WME_UAPSD_NODE_TRIGSEQINIT(ni);
DPRINTF(sc, ATH_DEBUG_UAPSD,
@@ -1967,6 +1968,7 @@ ath_uapsd_processtriggers(struct ath_sof
} else {
ni->ni_flags &=
~IEEE80211_NODE_UAPSD_TRIG;
+ ni->ni_vap->iv_ps_sta--;
ic->ic_uapsdmaxtriggers--;
DPRINTF(sc, ATH_DEBUG_UAPSD,
"Node (" MAC_FMT ") no longer U-APSD"