[PATCH] mac80211: disable power save if an infra AP vif exists

[Rajkumar Manoharan <rmanoharan@atheros.com>]

PS should not be enabled if an infra AP vif exists in
the interface list. So while recalculating PS,
AP vif type should be taken into account.

Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
---
 net/mac80211/mlme.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 3221069..82e6b89 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -601,6 +601,15 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
 	list_for_each_entry(sdata, &local->interfaces, list) {
 		if (!ieee80211_sdata_running(sdata))
 			continue;
+		if ((sdata->vif.type == NL80211_IFTYPE_AP) ||
+		    (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {
+			/* If an AP vif is found, then disable PS
+			 * by setting the count to zero thereby setting
+			 * ps_sdata to NULL.
+			 */
+			count = 0;
+			break;
+		}
 		if (sdata->vif.type != NL80211_IFTYPE_STATION)
 			continue;
 		found = sdata;
-- 
1.7.3.5