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* [PATCH] mac80211: Disable SMPS for the monitor interface
@ 2014-03-24  7:55 Emmanuel Grumbach
  2014-03-28  8:30 ` Johannes Berg
  0 siblings, 1 reply; 2+ messages in thread
From: Emmanuel Grumbach @ 2014-03-24  7:55 UTC (permalink / raw)
  To: johannes; +Cc: linux-wireless, Ido Yariv, Ido Yariv

From: Ido Yariv <ido@wizery.com>

All antennas should be operational when monitoring to maximize
reception.

Signed-off-by: Ido Yariv <idox.yariv@intel.com>
---
 net/mac80211/chan.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 57b8ab1..be677e0 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -522,6 +522,13 @@ 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) {
-- 
1.8.3.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] mac80211: Disable SMPS for the monitor interface
  2014-03-24  7:55 [PATCH] mac80211: Disable SMPS for the monitor interface Emmanuel Grumbach
@ 2014-03-28  8:30 ` Johannes Berg
  0 siblings, 0 replies; 2+ messages in thread
From: Johannes Berg @ 2014-03-28  8:30 UTC (permalink / raw)
  To: Emmanuel Grumbach; +Cc: linux-wireless, Ido Yariv, Ido Yariv

On Mon, 2014-03-24 at 09:55 +0200, Emmanuel Grumbach wrote:
> From: Ido Yariv <ido@wizery.com>
> 
> All antennas should be operational when monitoring to maximize
> reception.

Applied.

johannes


^ permalink raw reply	[flat|nested] 2+ messages in thread

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