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authorHauke Mehrtens <hauke@hauke-m.de>2014-09-14 23:09:12 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-09-15 15:00:54 -0400
commit4214852ea157bdae39c2dca64f1a09aa7dbb1d00 (patch)
treebec14501121ffe34a712ac541c0d34a7f70e88eb
parent0996c3910b8de402c319495c9560f3a909c8b866 (diff)
b43: add support for setting the beacon listen interval
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/b43/b43.h1
-rw-r--r--drivers/net/wireless/b43/main.c9
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 8ebce26ef4d0..bb12586cd7cd 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -300,6 +300,7 @@ enum {
#define B43_SHM_SH_LFFBLIM 0x0046 /* Long frame fallback retry limit */
#define B43_SHM_SH_BEACPHYCTL 0x0054 /* Beacon PHY TX control word (see PHY TX control) */
#define B43_SHM_SH_EXTNPHYCTL 0x00B0 /* Extended bytes for beacon PHY control (N) */
+#define B43_SHM_SH_BCN_LI 0x00B6 /* beacon listen interval */
/* SHM_SHARED ACK/CTS control */
#define B43_SHM_SH_ACKCTSPHYCTL 0x0022 /* ACK/CTS PHY control word (see PHY TX control) */
/* SHM_SHARED probe response variables */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 76cae3154ab3..5d4173ee55bc 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3930,6 +3930,12 @@ static int b43_switch_band(struct b43_wldev *dev,
return 0;
}
+static void b43_set_beacon_listen_interval(struct b43_wldev *dev, u16 interval)
+{
+ interval = min_t(u16, interval, (u16)0xFF);
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BCN_LI, interval);
+}
+
/* Write the short and long frame retry limit values. */
static void b43_set_retry_limits(struct b43_wldev *dev,
unsigned int short_retry,
@@ -3958,6 +3964,9 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
mutex_lock(&wl->mutex);
b43_mac_suspend(dev);
+ if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL)
+ b43_set_beacon_listen_interval(dev, conf->listen_interval);
+
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
phy->chandef = &conf->chandef;
phy->channel = conf->chandef.chan->hw_value;