From dbaaa147d6396c41d8f31156a777dfdaae2335a4 Mon Sep 17 00:00:00 2001 From: Vasanthakumar Thiagarajan Date: Thu, 19 Feb 2009 15:41:52 +0530 Subject: [PATCH] ath9k: Filter out beacons from other BSS in STA mode Passing beacons received from other BSS to s/w in non-scanning state is unnecessary in STA mode. This patch filters them out in h/w. Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/mac.h | 3 ++- drivers/net/wireless/ath9k/recv.c | 11 ++++++----- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath9k/mac.h b/drivers/net/wireless/ath9k/mac.h index 74b660ae8add..862a63f7634b 100644 --- a/drivers/net/wireless/ath9k/mac.h +++ b/drivers/net/wireless/ath9k/mac.h @@ -566,8 +566,9 @@ enum ath9k_rx_filter { ATH9K_RX_FILTER_BEACON = 0x00000010, ATH9K_RX_FILTER_PROM = 0x00000020, ATH9K_RX_FILTER_PROBEREQ = 0x00000080, - ATH9K_RX_FILTER_PSPOLL = 0x00004000, ATH9K_RX_FILTER_PHYERR = 0x00000100, + ATH9K_RX_FILTER_MYBEACON = 0x00000200, + ATH9K_RX_FILTER_PSPOLL = 0x00004000, ATH9K_RX_FILTER_PHYRADAR = 0x00002000, }; diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index 28ad1d5af129..23b6f54cde5c 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -375,14 +375,15 @@ u32 ath_calcrxfilter(struct ath_softc *sc) if (sc->rx.rxfilter & FIF_CONTROL) rfilt |= ATH9K_RX_FILTER_CONTROL; - if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION || - sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) + if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) && + !(sc->rx.rxfilter & FIF_BCN_PRBRESP_PROMISC)) + rfilt |= ATH9K_RX_FILTER_MYBEACON; + else rfilt |= ATH9K_RX_FILTER_BEACON; - /* If in HOSTAP mode, want to enable reception of PSPOLL frames - & beacon frames */ + /* If in HOSTAP mode, want to enable reception of PSPOLL frames */ if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) - rfilt |= (ATH9K_RX_FILTER_BEACON | ATH9K_RX_FILTER_PSPOLL); + rfilt |= ATH9K_RX_FILTER_PSPOLL; return rfilt; -- 2.20.1