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[PATCH 2/2] mac80211: make listen_interval be configurable by low level driver

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This patch makes listen_interval configurable by low level driver.

Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
 include/net/mac80211.h |    2 ++
 net/mac80211/main.c    |    3 +++
 net/mac80211/mlme.c    |    6 ++++--
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f249820..677ba29 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -423,6 +423,7 @@ enum ieee80211_conf_flags {
  * @radio_enabled: when zero, driver is required to switch off the radio.
  *	TODO make a flag
  * @beacon_int: beacon interval (TODO make interface config)
+ * @listen_interval: listen interval in units of beacon interval
  * @flags: configuration flags defined above
  * @power_level: requested transmit power (in dBm)
  * @max_antenna_gain: maximum antenna gain (in dBi)
@@ -437,6 +438,7 @@ struct ieee80211_conf {
 	int radio_enabled;
 
 	int beacon_int;
+	u16 listen_interval;
 	u32 flags;
 	int power_level;
 	int max_antenna_gain;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index cf477ad..b4b0c2d 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1750,6 +1750,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	if (local->hw.conf.beacon_int < 10)
 		local->hw.conf.beacon_int = 100;
 
+	if (local->hw.conf.listen_interval == 0)
+		local->hw.conf.listen_interval = 1;
+
 	local->wstats_flags |= local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
 						  IEEE80211_HW_SIGNAL_DB |
 						  IEEE80211_HW_SIGNAL_DBM) ?
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 22eaf86..73566e6 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -778,7 +778,8 @@ static void ieee80211_send_assoc(struct net_device *dev,
 		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
 						   IEEE80211_STYPE_REASSOC_REQ);
 		mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
-		mgmt->u.reassoc_req.listen_interval = cpu_to_le16(1);
+		mgmt->u.reassoc_req.listen_interval =
+				cpu_to_le16(local->hw.conf.listen_interval);
 		memcpy(mgmt->u.reassoc_req.current_ap, ifsta->prev_bssid,
 		       ETH_ALEN);
 	} else {
@@ -786,7 +787,8 @@ static void ieee80211_send_assoc(struct net_device *dev,
 		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
 						   IEEE80211_STYPE_ASSOC_REQ);
 		mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
-		mgmt->u.assoc_req.listen_interval = cpu_to_le16(1);
+		mgmt->u.reassoc_req.listen_interval =
+				cpu_to_le16(local->hw.conf.listen_interval);
 	}
 
 	/* SSID */
-- 
1.5.4.1

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Intel Israel (74) Limited

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