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