wl1271: Configure a higher listen interval to AP upon association

Increase the fixed listen-interval max value configured to the mac80211 on
driver init. This value will allow a larger value to be configured to the
AP, which means the AP will buffer our frames longer.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 0b34b6261176..d76ae03762a3 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -977,6 +977,13 @@ struct conf_conn_settings {
          * Range: 1000 - 3600000
          */
         u32 keep_alive_interval;
+
+        /*
+         * Maximum listen interval supported by the driver in units of beacons.
+         *
+         * Range: u16
+         */
+        u8 max_listen_interval;
 };
 
 enum {
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 247f4079832e..5c32d8d72361 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -219,7 +219,7 @@ static struct conf_drv_settings default_conf = {
         },
         .conn = {
                 .wake_up_event               = CONF_WAKE_UP_EVENT_DTIM,
-                .listen_interval             = 0,
+                .listen_interval             = 1,
                 .bcn_filt_mode               = CONF_BCN_FILT_MODE_ENABLED,
                 .bcn_filt_ie_count           = 1,
                 .bcn_filt_ie = {
@@ -266,7 +266,8 @@ static struct conf_drv_settings default_conf = {
                 .bet_enable                  = CONF_BET_MODE_ENABLE,
                 .bet_max_consecutive         = 10,
                 .psm_entry_retries           = 3,
-                .keep_alive_interval         = 55000
+                .keep_alive_interval         = 55000,
+                .max_listen_interval         = 20,
         },
         .init = {
                 .radioparam = {
@@ -2253,6 +2254,7 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
         /* unit us */
         /* FIXME: find a proper value */
         wl->hw->channel_change_time = 10000;
+        wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval;
 
         wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
                 IEEE80211_HW_NOISE_DBM |