From b93bce2a5e8fd5c9f5d8c982efd6bca71a9b83f3 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <jouni.malinen@atheros.com>
Date: Tue, 3 Mar 2009 19:23:30 +0200
Subject: [PATCH] ath9k: Configure RX filter for multi-BSSID broadcast
Allow RX filter to pass through all broadcast/multicast frames (i.e.,
no BSSID filtering) if virtual interfaces are used. Software filtering
will be used in this case to drop broadcast/multicast frames for
foreign BSSIDs.
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/ath9k/mac.h | 1 +
drivers/net/wireless/ath9k/recv.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/drivers/net/wireless/ath9k/mac.h b/drivers/net/wireless/ath9k/mac.h
index fbd2d6ad2a53..37e3948ddc25 100644
--- a/drivers/net/wireless/ath9k/mac.h
+++ b/drivers/net/wireless/ath9k/mac.h
@@ -570,6 +570,7 @@ enum ath9k_rx_filter {
ATH9K_RX_FILTER_MYBEACON = 0x00000200,
ATH9K_RX_FILTER_PSPOLL = 0x00004000,
ATH9K_RX_FILTER_PHYRADAR = 0x00002000,
+ ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000,
};
#define ATH9K_RATESERIES_RTS_CTS 0x0001
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index a9a55df500a4..3df5c7824360 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -407,6 +407,14 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
if (sc->sc_ah->opmode == NL80211_IFTYPE_AP)
rfilt |= ATH9K_RX_FILTER_PSPOLL;
+ if (sc->sec_wiphy) {
+ /* TODO: only needed if more than one BSSID is in use in
+ * station/adhoc mode */
+ /* TODO: for older chips, may need to add ATH9K_RX_FILTER_PROM
+ */
+ rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
+ }
+
return rfilt;
#undef RX_FILTER_PRESERVE
--
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