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authorFelix Fietkau <nbd@openwrt.org>2013-06-07 16:04:06 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-06-07 16:04:06 +0000
commit0924782279a29616f04e8c664b5132e7f8c66e64 (patch)
tree89a53016a25b1851ed5c0d2c29a73f1f561e43ef /package
parentab529a529b643474b427a031cf2386f368f316b0 (diff)
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ath9k: improve multicast buffering handling, take care of the MORE_DATA flag properly
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 36880
Diffstat (limited to 'package')
-rw-r--r--package/mac80211/patches/300-pending_work.patch253
-rw-r--r--package/mac80211/patches/512-ath9k_channelbw_debugfs.patch4
-rw-r--r--package/mac80211/patches/530-ath9k_extra_leds.patch6
3 files changed, 206 insertions, 57 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index f718e266ee..947fb237e4 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -40,7 +40,16 @@
u32 txq_max_pending[IEEE80211_NUM_ACS];
u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32];
};
-@@ -356,6 +354,11 @@ void ath_tx_aggr_resume(struct ath_softc
+@@ -346,6 +344,8 @@ int ath_txq_update(struct ath_softc *sc,
+ void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
+ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ath_tx_control *txctl);
++void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
++ struct sk_buff *skb);
+ void ath_tx_tasklet(struct ath_softc *sc);
+ void ath_tx_edma_tasklet(struct ath_softc *sc);
+ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+@@ -356,6 +356,11 @@ void ath_tx_aggr_resume(struct ath_softc
void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
struct ath_node *an);
@@ -52,15 +61,7 @@
/********/
/* VIFs */
-@@ -410,6 +413,7 @@ struct ath_beacon {
- struct ath_descdma bdma;
- struct ath_txq *cabq;
- struct list_head bbuf;
-+ int cabq_dur;
-
- bool tx_processed;
- bool tx_last;
-@@ -658,11 +662,10 @@ enum sc_op_flags {
+@@ -658,11 +663,10 @@ enum sc_op_flags {
struct ath_rate_table;
struct ath9k_vif_iter_data {
@@ -4454,7 +4455,7 @@
info.type = get_hw_packet_type(skb);
if (bf->bf_next)
-@@ -1142,6 +1145,25 @@ static void ath_tx_fill_desc(struct ath_
+@@ -1142,6 +1145,22 @@ static void ath_tx_fill_desc(struct ath_
else
info.link = 0;
@@ -4472,15 +4473,12 @@
+ info.flags |= ATH9K_TXDESC_LDPC;
+
+ ath_buf_set_rate(sc, bf, &info, len);
-+
-+ if (txq == sc->beacon.cabq)
-+ sc->beacon.cabq_dur += info.rates[0].PktDuration;
+ }
+
info.buf_addr[0] = bf->bf_buf_addr;
info.buf_len[0] = skb->len;
info.pkt_len = fi->framelen;
-@@ -1151,7 +1173,7 @@ static void ath_tx_fill_desc(struct ath_
+@@ -1151,7 +1170,7 @@ static void ath_tx_fill_desc(struct ath_
if (aggr) {
if (bf == bf_first)
info.aggr = AGGR_BUF_FIRST;
@@ -4489,7 +4487,7 @@
info.aggr = AGGR_BUF_LAST;
else
info.aggr = AGGR_BUF_MIDDLE;
-@@ -1160,6 +1182,9 @@ static void ath_tx_fill_desc(struct ath_
+@@ -1160,6 +1179,9 @@ static void ath_tx_fill_desc(struct ath_
info.aggr_len = len;
}
@@ -4499,7 +4497,7 @@
ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
bf = bf->bf_next;
}
-@@ -1224,9 +1249,6 @@ int ath_tx_aggr_start(struct ath_softc *
+@@ -1224,9 +1246,6 @@ int ath_tx_aggr_start(struct ath_softc *
an = (struct ath_node *)sta->drv_priv;
txtid = ATH_AN_2_TID(an, tid);
@@ -4509,7 +4507,7 @@
/* update ampdu factor/density, they may have changed. This may happen
* in HT IBSS when a beacon with HT-info is received after the station
* has already been added.
-@@ -1238,7 +1260,7 @@ int ath_tx_aggr_start(struct ath_softc *
+@@ -1238,7 +1257,7 @@ int ath_tx_aggr_start(struct ath_softc *
an->mpdudensity = density;
}
@@ -4518,7 +4516,7 @@
txtid->paused = true;
*ssn = txtid->seq_start = txtid->seq_next;
txtid->bar_index = -1;
-@@ -1255,28 +1277,9 @@ void ath_tx_aggr_stop(struct ath_softc *
+@@ -1255,28 +1274,9 @@ void ath_tx_aggr_stop(struct ath_softc *
struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
struct ath_txq *txq = txtid->ac->txq;
@@ -4548,7 +4546,7 @@
ath_tx_flush_tid(sc, txtid);
ath_txq_unlock_complete(sc, txq);
}
-@@ -1342,18 +1345,92 @@ void ath_tx_aggr_wakeup(struct ath_softc
+@@ -1342,18 +1342,92 @@ void ath_tx_aggr_wakeup(struct ath_softc
}
}
@@ -4648,7 +4646,7 @@
}
/********************/
-@@ -1709,8 +1786,9 @@ static void ath_tx_txqaddbuf(struct ath_
+@@ -1709,8 +1783,9 @@ static void ath_tx_txqaddbuf(struct ath_
}
}
@@ -4660,7 +4658,7 @@
{
struct ath_frame_info *fi = get_frame_info(skb);
struct list_head bf_head;
-@@ -1723,26 +1801,28 @@ static void ath_tx_send_ampdu(struct ath
+@@ -1723,26 +1798,28 @@ static void ath_tx_send_ampdu(struct ath
* - seqno is not within block-ack window
* - h/w queue depth exceeds low water mark
*/
@@ -4695,7 +4693,7 @@
bf->bf_state.bf_type = BUF_AMPDU;
INIT_LIST_HEAD(&bf_head);
list_add(&bf->list, &bf_head);
-@@ -1751,10 +1831,10 @@ static void ath_tx_send_ampdu(struct ath
+@@ -1751,10 +1828,10 @@ static void ath_tx_send_ampdu(struct ath
ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
/* Queue to h/w without aggregation */
@@ -4709,7 +4707,7 @@
}
static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
-@@ -1892,49 +1972,6 @@ static struct ath_buf *ath_tx_setup_buff
+@@ -1892,62 +1969,16 @@ static struct ath_buf *ath_tx_setup_buff
return bf;
}
@@ -4756,22 +4754,79 @@
- }
-}
-
- /* Upon failure caller should free skb */
- int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ath_tx_control *txctl)
-@@ -1945,8 +1982,11 @@ int ath_tx_start(struct ieee80211_hw *hw
+-/* Upon failure caller should free skb */
+-int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
+- struct ath_tx_control *txctl)
++static int ath_tx_prepare(struct ieee80211_hw *hw, struct sk_buff *skb,
++ struct ath_tx_control *txctl)
+ {
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_sta *sta = txctl->sta;
struct ieee80211_vif *vif = info->control.vif;
struct ath_softc *sc = hw->priv;
- struct ath_txq *txq = txctl->txq;
+- struct ath_txq *txq = txctl->txq;
+- int padpos, padsize;
+ int frmlen = skb->len + FCS_LEN;
+- int q;
++ int padpos, padsize;
+
+ /* NOTE: sta can be NULL according to net/mac80211.h */
+ if (sta)
+@@ -1968,6 +1999,11 @@ int ath_tx_start(struct ieee80211_hw *hw
+ hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
+ }
+
++ if ((vif && vif->type != NL80211_IFTYPE_AP &&
++ vif->type != NL80211_IFTYPE_AP_VLAN) ||
++ !ieee80211_is_data(hdr->frame_control))
++ info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
++
+ /* Add the padding after the header if this is not already done */
+ padpos = ieee80211_hdrlen(hdr->frame_control);
+ padsize = padpos & 3;
+@@ -1977,16 +2013,34 @@ int ath_tx_start(struct ieee80211_hw *hw
+
+ skb_push(skb, padsize);
+ memmove(skb->data, skb->data + padsize, padpos);
+- hdr = (struct ieee80211_hdr *) skb->data;
+ }
+
+- if ((vif && vif->type != NL80211_IFTYPE_AP &&
+- vif->type != NL80211_IFTYPE_AP_VLAN) ||
+- !ieee80211_is_data(hdr->frame_control))
+- info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+-
+ setup_frame_info(hw, sta, skb, frmlen);
++ return 0;
++}
++
++
++/* Upon failure caller should free skb */
++int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
++ struct ath_tx_control *txctl)
++{
++ struct ieee80211_hdr *hdr;
++ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
++ struct ieee80211_sta *sta = txctl->sta;
++ struct ieee80211_vif *vif = info->control.vif;
++ struct ath_softc *sc = hw->priv;
++ struct ath_txq *txq = txctl->txq;
+ struct ath_atx_tid *tid = NULL;
+ struct ath_buf *bf;
- int padpos, padsize;
- int frmlen = skb->len + FCS_LEN;
+ u8 tidno;
- int q;
++ int q;
++ int ret;
++
++ ret = ath_tx_prepare(hw, skb, txctl);
++ if (ret)
++ return ret;
- /* NOTE: sta can be NULL according to net/mac80211.h */
-@@ -2002,8 +2042,47 @@ int ath_tx_start(struct ieee80211_hw *hw
++ hdr = (struct ieee80211_hdr *) skb->data;
+ /*
+ * At this point, the vif, hw_key and sta pointers in the tx control
+ * info are no longer valid (overwritten by the ath_frame_info data.
+@@ -2002,13 +2056,120 @@ int ath_tx_start(struct ieee80211_hw *hw
txq->stopped = true;
}
@@ -4781,7 +4836,7 @@
+ txq = sc->tx.uapsdq;
+ ath_txq_lock(sc, txq);
+ }
-
++
+ if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
+ tidno = ieee80211_get_qos_ctl(hdr)[0] &
+ IEEE80211_QOS_CTL_TID_MASK;
@@ -4809,7 +4864,7 @@
+ }
+
+ bf->bf_state.bfs_paprd = txctl->paprd;
-+
+
+ if (txctl->paprd)
+ bf->bf_state.bfs_paprd_timestamp = jiffies;
+
@@ -4820,7 +4875,80 @@
ath_txq_unlock(sc, txq);
return 0;
-@@ -2054,7 +2133,12 @@ static void ath_tx_complete(struct ath_s
+ }
+
++void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
++ struct sk_buff *skb)
++{
++ struct ath_softc *sc = hw->priv;
++ struct ath_tx_control txctl = {
++ .txq = sc->beacon.cabq
++ };
++ struct ath_tx_info info = {};
++ struct ieee80211_hdr *hdr;
++ struct ath_buf *bf_tail = NULL;
++ struct ath_buf *bf;
++ LIST_HEAD(bf_q);
++ int duration = 0;
++ int max_duration;
++
++ max_duration =
++ sc->cur_beacon_conf.beacon_interval * 1000 *
++ sc->cur_beacon_conf.dtim_period / ATH_BCBUF;
++
++ do {
++ struct ath_frame_info *fi = get_frame_info(skb);
++
++ if (ath_tx_prepare(hw, skb, &txctl))
++ break;
++
++ bf = ath_tx_setup_buffer(sc, txctl.txq, NULL, skb);
++ if (!bf)
++ break;
++
++ bf->bf_lastbf = bf;
++ ath_set_rates(vif, NULL, bf);
++ ath_buf_set_rate(sc, bf, &info, fi->framelen);
++ duration += info.rates[0].PktDuration;
++ if (bf_tail)
++ bf_tail->bf_next = bf;
++
++ list_add_tail(&bf->list, &bf_q);
++ bf_tail = bf;
++ skb = NULL;
++
++ if (duration > max_duration)
++ break;
++
++ skb = ieee80211_get_buffered_bc(hw, vif);
++ } while(skb);
++
++ if (skb)
++ ieee80211_free_txskb(hw, skb);
++
++ if (list_empty(&bf_q))
++ return;
++
++ bf = list_first_entry(&bf_q, struct ath_buf, list);
++ hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data;
++
++ if (hdr->frame_control & IEEE80211_FCTL_MOREDATA) {
++ hdr->frame_control &= ~IEEE80211_FCTL_MOREDATA;
++ dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
++ sizeof(*hdr), DMA_TO_DEVICE);
++ }
++
++ ath_txq_lock(sc, txctl.txq);
++ ath_tx_fill_desc(sc, bf, txctl.txq, 0);
++ ath_tx_txqaddbuf(sc, txctl.txq, &bf_q, false);
++ TX_STAT_INC(txctl.txq->axq_qnum, queued);
++ ath_txq_unlock(sc, txctl.txq);
++}
++
+ /*****************/
+ /* TX Completion */
+ /*****************/
+@@ -2054,7 +2215,12 @@ static void ath_tx_complete(struct ath_s
}
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
@@ -4833,7 +4961,7 @@
if (txq == sc->tx.txq_map[q]) {
if (WARN_ON(--txq->pending_frames < 0))
txq->pending_frames = 0;
-@@ -2065,8 +2149,6 @@ static void ath_tx_complete(struct ath_s
+@@ -2065,8 +2231,6 @@ static void ath_tx_complete(struct ath_s
txq->stopped = false;
}
}
@@ -4842,7 +4970,7 @@
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
-@@ -2408,12 +2490,10 @@ void ath_tx_node_init(struct ath_softc *
+@@ -2408,12 +2572,10 @@ void ath_tx_node_init(struct ath_softc *
tid->baw_head = tid->baw_tail = 0;
tid->sched = false;
tid->paused = false;
@@ -4856,7 +4984,7 @@
}
for (acno = 0, ac = &an->ac[acno];
-@@ -2450,9 +2530,9 @@ void ath_tx_node_cleanup(struct ath_soft
+@@ -2450,9 +2612,9 @@ void ath_tx_node_cleanup(struct ath_soft
}
ath_tid_drain(sc, txq, tid);
@@ -5026,22 +5154,43 @@
/*
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -204,9 +204,15 @@ static struct ath_buf *ath9k_beacon_gene
- }
+@@ -107,23 +107,6 @@ static void ath9k_beacon_setup(struct at
+ ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
+ }
+
+-static void ath9k_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
+-{
+- struct ath_softc *sc = hw->priv;
+- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+- struct ath_tx_control txctl;
+-
+- memset(&txctl, 0, sizeof(struct ath_tx_control));
+- txctl.txq = sc->beacon.cabq;
+-
+- ath_dbg(common, XMIT, "transmitting CABQ packet, skb: %p\n", skb);
+-
+- if (ath_tx_start(hw, skb, &txctl) != 0) {
+- ath_dbg(common, XMIT, "CABQ TX failed\n");
+- ieee80211_free_txskb(hw, skb);
+- }
+-}
+-
+ static struct ath_buf *ath9k_beacon_generate(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+ {
+@@ -205,10 +188,8 @@ static struct ath_buf *ath9k_beacon_gene
ath9k_beacon_setup(sc, vif, bf, info->control.rates[0].idx);
-+ sc->beacon.cabq_dur = 0;
- while (skb) {
- ath9k_tx_cabq(hw, skb);
-+
-+ if (sc->beacon.cabq_dur / 1000 - 1 >
-+ sc->cur_beacon_conf.beacon_interval / ATH_BCBUF)
-+ break;
-+
- skb = ieee80211_get_buffered_bc(hw, vif);
- }
+- while (skb) {
+- ath9k_tx_cabq(hw, skb);
+- skb = ieee80211_get_buffered_bc(hw, vif);
+- }
++ if (skb)
++ ath_tx_cabq(hw, vif, skb);
+ return bf;
+ }
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -68,13 +68,16 @@
diff --git a/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
index af5723a8b4..541d568a6c 100644
--- a/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
+++ b/package/mac80211/patches/512-ath9k_channelbw_debugfs.patch
@@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -694,6 +694,7 @@ struct ath_softc {
+@@ -695,6 +695,7 @@ struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
@@ -8,7 +8,7 @@
struct survey_info *cur_survey;
struct survey_info survey[ATH9K_NUM_CHANNELS];
-@@ -898,6 +899,7 @@ struct fft_sample_ht20 {
+@@ -899,6 +900,7 @@ struct fft_sample_ht20 {
u8 data[SPECTRAL_HT20_NUM_BINS];
} __packed;
diff --git a/package/mac80211/patches/530-ath9k_extra_leds.patch b/package/mac80211/patches/530-ath9k_extra_leds.patch
index 36b0cf6557..ce6a0c68f3 100644
--- a/package/mac80211/patches/530-ath9k_extra_leds.patch
+++ b/package/mac80211/patches/530-ath9k_extra_leds.patch
@@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -556,6 +556,9 @@ struct ath9k_wow_pattern {
+@@ -557,6 +557,9 @@ struct ath9k_wow_pattern {
void ath_init_leds(struct ath_softc *sc);
void ath_deinit_leds(struct ath_softc *sc);
void ath_fill_led_pin(struct ath_softc *sc);
@@ -10,7 +10,7 @@
#else
static inline void ath_init_leds(struct ath_softc *sc)
{
-@@ -690,6 +693,13 @@ enum spectral_mode {
+@@ -691,6 +694,13 @@ enum spectral_mode {
SPECTRAL_CHANSCAN,
};
@@ -24,7 +24,7 @@
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
-@@ -731,9 +741,8 @@ struct ath_softc {
+@@ -732,9 +742,8 @@ struct ath_softc {
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
#ifdef CONFIG_MAC80211_LEDS