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authorFelix Fietkau <nbd@openwrt.org>2011-05-17 11:14:15 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-05-17 11:14:15 +0000
commit888bee4ef233e4e405b5cefd81252bc446968eb2 (patch)
treef05ce2b407d20d65c1bf8fb416ac1f040e0a1d30 /package/mac80211
parent4deecea26bbb867dc3152577fb13db2944460aeb (diff)
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ath9k: implement tx_last_beacon() to allow mac80211 to respond to probe requests in ad-hoc mode without creating too much spam
SVN-Revision: 26923
Diffstat (limited to 'package/mac80211')
-rw-r--r--package/mac80211/patches/572-ath9k_tx_last_beacon.patch106
1 files changed, 106 insertions, 0 deletions
diff --git a/package/mac80211/patches/572-ath9k_tx_last_beacon.patch b/package/mac80211/patches/572-ath9k_tx_last_beacon.patch
new file mode 100644
index 0000000..4f4c3b8
--- /dev/null
+++ b/package/mac80211/patches/572-ath9k_tx_last_beacon.patch
@@ -0,0 +1,106 @@
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -397,6 +397,9 @@ struct ath_beacon {
+ struct ath_descdma bdma;
+ struct ath_txq *cabq;
+ struct list_head bbuf;
++
++ bool tx_processed;
++ bool tx_last;
+ };
+
+ void ath_beacon_tasklet(unsigned long data);
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -18,6 +18,12 @@
+
+ #define FUDGE 2
+
++static void ath9k_reset_beacon_status(struct ath_softc *sc)
++{
++ sc->beacon.tx_processed = false;
++ sc->beacon.tx_last = false;
++}
++
+ /*
+ * This function will modify certain transmit queue properties depending on
+ * the operating mode of the station (AP or AdHoc). Parameters are AIFS
+@@ -72,6 +78,8 @@ static void ath_beacon_setup(struct ath_
+ struct ieee80211_supported_band *sband;
+ u8 rate = 0;
+
++ ath9k_reset_beacon_status(sc);
++
+ ds = bf->bf_desc;
+ flags = ATH9K_TXDESC_NOACK;
+
+@@ -134,6 +142,8 @@ static struct ath_buf *ath_beacon_genera
+ struct ieee80211_tx_info *info;
+ int cabq_depth;
+
++ ath9k_reset_beacon_status(sc);
++
+ avp = (void *)vif->drv_priv;
+ cabq = sc->beacon.cabq;
+
+@@ -644,6 +654,8 @@ static void ath_beacon_config_adhoc(stru
+ struct ath_common *common = ath9k_hw_common(ah);
+ u32 tsf, delta, intval, nexttbtt;
+
++ ath9k_reset_beacon_status(sc);
++
+ tsf = ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE);
+ intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
+
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -2314,6 +2314,43 @@ static bool ath9k_tx_frames_pending(stru
+ return false;
+ }
+
++int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
++{
++ struct ath_softc *sc = hw->priv;
++ struct ath_hw *ah = sc->sc_ah;
++ struct ieee80211_vif *vif;
++ struct ath_vif *avp;
++ struct ath_buf *bf;
++ struct ath_tx_status ts;
++ int status;
++
++ if (ah->opmode != NL80211_IFTYPE_ADHOC)
++ return 0;
++
++ vif = sc->beacon.bslot[0];
++ if (!vif)
++ return 0;
++
++ avp = (void *)vif->drv_priv;
++ if (!avp->is_bslot_active)
++ return 0;
++
++ if (!sc->beacon.tx_processed) {
++ bf = avp->av_bcbuf;
++ if (!bf || !bf->bf_mpdu)
++ return 0;
++
++ status = ath9k_hw_txprocdesc(ah, bf->bf_desc, &ts);
++ if (status == -EINPROGRESS)
++ return 0;
++
++ sc->beacon.tx_processed = true;
++ sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_FILT);
++ }
++
++ return sc->beacon.tx_last;
++}
++
+ struct ieee80211_ops ath9k_ops = {
+ .tx = ath9k_tx,
+ .start = ath9k_start,
+@@ -2338,4 +2375,5 @@ struct ieee80211_ops ath9k_ops = {
+ .set_coverage_class = ath9k_set_coverage_class,
+ .flush = ath9k_flush,
+ .tx_frames_pending = ath9k_tx_frames_pending,
++ .tx_last_beacon = ath9k_tx_last_beacon,
+ };