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Commit 7b8a9cdd authored by Ido Yariv's avatar Ido Yariv Committed by Johannes Berg
Browse files

mac80211: Disable SMPS for the monitor interface 



All antennas should be operational when monitoring to maximize
reception.

Signed-off-by: default avatarIdo Yariv <idox.yariv@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 115b943a

net/mac80211/chan.c

+7 −0
Original line number Diff line number Diff line
@@ -492,6 +492,13 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, 
		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) {