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

SVN-Revision: 17312

diff --git a/package/madwifi/patches/444-beacon_update_war.patch b/package/madwifi/patches/444-beacon_update_war.patch
new file mode 100644 (file)
index 0000000..6a3178a
--- /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 (file)
index 0000000..2751465
--- /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"