mac80211: Disable SMPS for the monitor interface
All antennas should be operational when monitoring to maximize
reception.
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index bd1fd8e..68bee81 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -492,6 +492,13 @@
rx_chains_static = max(rx_chains_static, needed_static);
rx_chains_dynamic = max(rx_chains_dynamic, needed_dynamic);
}
+
+ /* Disable SMPS for the monitor interface */
+ sdata = rcu_dereference(local->monitor_sdata);
+ if (sdata &&
+ rcu_access_pointer(sdata->vif.chanctx_conf) == &chanctx->conf)
+ rx_chains_dynamic = rx_chains_static = local->rx_chains;
+
rcu_read_unlock();
if (!local->use_chanctx) {