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authorZefir Kurtisi <zefir.kurtisi@neratec.com>2013-04-03 18:31:31 +0200
committerJohn W. Linville <linville@tuxdriver.com>2013-04-08 21:28:38 +0200
commit73e4937d489072a26a0077c72c7d50ef2d0bf02b (patch)
tree80821e582a2f3ee98cfb86b0ce1038398ccb1c7d /drivers/net/wireless/ath/ath9k/recv.c
parentath9k: add debugfs based DFS radar simulation (diff)
downloadlinux-73e4937d489072a26a0077c72c7d50ef2d0bf02b.tar.xz
linux-73e4937d489072a26a0077c72c7d50ef2d0bf02b.zip
ath9k: add support for DFS master mode
These are the remaining knobs in ath9k to support DFS: * mark AR9280 and AR9580 as DFS tested * synchronize DFS regulatory domain to reg notifyer * set required RX filter flags for radar detection * process radar PHY errors at DFS detector * notify DFS master on radar detection DFS support requires CONFIG_ATH9K_DFS_CERTIFIED to be set. Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index ee156e543147..ee7ca5aecdb0 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -381,6 +381,10 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
rfilt = ATH9K_RX_FILTER_UCAST | ATH9K_RX_FILTER_BCAST
| ATH9K_RX_FILTER_MCAST;
+ /* if operating on a DFS channel, enable radar pulse detection */
+ if (sc->hw->conf.radar_enabled)
+ rfilt |= ATH9K_RX_FILTER_PHYRADAR | ATH9K_RX_FILTER_PHYERR;
+
if (sc->rx.rxfilter & FIF_PROBE_REQ)
rfilt |= ATH9K_RX_FILTER_PROBEREQ;
@@ -1228,6 +1232,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
unlikely(tsf_lower - rs.rs_tstamp > 0x10000000))
rxs->mactime += 0x100000000ULL;
+ if (rs.rs_phyerr == ATH9K_PHYERR_RADAR)
+ ath9k_dfs_process_phyerr(sc, hdr, &rs, rxs->mactime);
+
if (rs.rs_status & ATH9K_RXERR_PHY) {
if (ath_process_fft(sc, hdr, &rs, rxs->mactime)) {
RX_STAT_INC(rx_spectral);