mac80211: Determine dynamic PS timeout based on ps-qos network latency

Determine the dynamic PS timeout based on the configured ps-qos network
latency. For backwards wext compatibility, allow the dynamic PS timeout
configured by the cfg80211 to overrule the automatically determined value.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7dc5a6790397..c26de6cb12f8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -668,6 +668,9 @@ enum ieee80211_smps_mode {
  * @dynamic_ps_timeout: The dynamic powersave timeout (in ms), see the
  *      powersave documentation below. This variable is valid only when
  *      the CONF_PS flag is set.
+ * @dynamic_ps_forced_timeout: The dynamic powersave timeout (in ms) configured
+ *      by cfg80211 (essentially, wext) If set, this value overrules the value
+ *      chosen by mac80211 based on ps qos network latency.
  *
  * @power_level: requested transmit power (in dBm)
  *
@@ -687,7 +690,7 @@ enum ieee80211_smps_mode {
  */
 struct ieee80211_conf {
         u32 flags;
-        int power_level, dynamic_ps_timeout;
+        int power_level, dynamic_ps_timeout, dynamic_ps_forced_timeout;
         int max_sleep_period;
 
         u16 listen_interval;