From 7c746b122fa8225305116d1f806c9ab7238335ab Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 19 Aug 2009 14:48:31 +0000 Subject: [PATCH] add powersave fixes based on patches by Steven Luo (#4376) SVN-Revision: 17312 --- .../patches/444-beacon_update_war.patch | 17 +++++++++++++++++ .../madwifi/patches/445-fix_ps_sta_count.patch | 18 ++++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 package/madwifi/patches/444-beacon_update_war.patch create mode 100644 package/madwifi/patches/445-fix_ps_sta_count.patch diff --git a/package/madwifi/patches/444-beacon_update_war.patch b/package/madwifi/patches/444-beacon_update_war.patch new file mode 100644 index 0000000000..6a3178a6db --- /dev/null +++ b/package/madwifi/patches/444-beacon_update_war.patch @@ -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 diff --git a/package/madwifi/patches/445-fix_ps_sta_count.patch b/package/madwifi/patches/445-fix_ps_sta_count.patch new file mode 100644 index 0000000000..27514650a5 --- /dev/null +++ b/package/madwifi/patches/445-fix_ps_sta_count.patch @@ -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" -- 2.30.2