diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2014-09-05 06:33:18 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-09 23:27:21 +0400 |
| commit | fce344309944c61d748eeef530b49764f90b05bb (patch) | |
| tree | c99df545910371ef1458fd0dbe978f02f8094562 /drivers/net/wireless/ath/ath9k/recv.c | |
| parent | 3d1132d008e635c770d625f3908f201892634afe (diff) | |
| download | linux-fce344309944c61d748eeef530b49764f90b05bb.tar.xz | |
ath9k: Fix RX filters in channel contexts
Maintain the RX filter on a per-channel-context
basis and not globally. Not doing so was resulting
in incorrect filter calculation.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/recv.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 63fbc3eda570..68e56d66e55a 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -387,7 +387,9 @@ u32 ath_calcrxfilter(struct ath_softc *sc) if (sc->hw->conf.radar_enabled) rfilt |= ATH9K_RX_FILTER_PHYRADAR | ATH9K_RX_FILTER_PHYERR; - if (sc->rx.rxfilter & FIF_PROBE_REQ) + spin_lock_bh(&sc->chan_lock); + + if (sc->cur_chan->rxfilter & FIF_PROBE_REQ) rfilt |= ATH9K_RX_FILTER_PROBEREQ; /* @@ -398,24 +400,24 @@ u32 ath_calcrxfilter(struct ath_softc *sc) if (sc->sc_ah->is_monitoring) rfilt |= ATH9K_RX_FILTER_PROM; - if (sc->rx.rxfilter & FIF_CONTROL) + if (sc->cur_chan->rxfilter & FIF_CONTROL) rfilt |= ATH9K_RX_FILTER_CONTROL; if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) && (sc->nvifs <= 1) && - !(sc->rx.rxfilter & FIF_BCN_PRBRESP_PROMISC)) + !(sc->cur_chan->rxfilter & FIF_BCN_PRBRESP_PROMISC)) rfilt |= ATH9K_RX_FILTER_MYBEACON; else rfilt |= ATH9K_RX_FILTER_BEACON; if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || - (sc->rx.rxfilter & FIF_PSPOLL)) + (sc->cur_chan->rxfilter & FIF_PSPOLL)) rfilt |= ATH9K_RX_FILTER_PSPOLL; if (sc->cur_chandef.width != NL80211_CHAN_WIDTH_20_NOHT) rfilt |= ATH9K_RX_FILTER_COMP_BAR; - if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) { + if (sc->nvifs > 1 || (sc->cur_chan->rxfilter & FIF_OTHER_BSS)) { /* This is needed for older chips */ if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160) rfilt |= ATH9K_RX_FILTER_PROM; @@ -429,6 +431,8 @@ u32 ath_calcrxfilter(struct ath_softc *sc) test_bit(ATH_OP_SCANNING, &common->op_flags)) rfilt |= ATH9K_RX_FILTER_BEACON; + spin_unlock_bh(&sc->chan_lock); + return rfilt; } @@ -865,8 +869,13 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, * everything but the rate is checked here, the rate check is done * separately to avoid doing two lookups for a rate for each frame. */ - if (!ath9k_cmn_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error, sc->rx.rxfilter)) + spin_lock_bh(&sc->chan_lock); + if (!ath9k_cmn_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error, + sc->cur_chan->rxfilter)) { + spin_unlock_bh(&sc->chan_lock); return -EINVAL; + } + spin_unlock_bh(&sc->chan_lock); if (ath_is_mybeacon(common, hdr)) { RX_STAT_INC(rx_beacons); |