From 4214852ea157bdae39c2dca64f1a09aa7dbb1d00 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 14 Sep 2014 23:09:12 +0200 Subject: [PATCH] b43: add support for setting the beacon listen interval Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- drivers/net/wireless/b43/b43.h | 1 + drivers/net/wireless/b43/main.c | 9 +++++++++ 2 files changed, 10 insertions(+) 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; -- 2.20.1