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path: root/drivers/net/wireless/ath/ath9k
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-rw-r--r--drivers/net/wireless/ath/ath9k/Kconfig2
-rw-r--r--drivers/net/wireless/ath/ath9k/ar5008_phy.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_phy.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c4
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/dynack.c61
-rw-r--r--drivers/net/wireless/ath/ath9k/dynack.h6
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c1
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c5
9 files changed, 50 insertions, 35 deletions
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 1f3523019509..ceca23a851d5 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -116,7 +116,7 @@ config ATH9K_DFS_CERTIFIED
except increase code size.
config ATH9K_DYNACK
- bool "Atheros ath9k ACK timeout estimation algorithm (EXPERIMENTAL)"
+ bool "Atheros ath9k ACK timeout estimation algorithm"
depends on ATH9K
default n
---help---
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 11d6f975c87d..dae95402eb3a 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -586,7 +586,7 @@ static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
break;
}
- /* else: fall through */
+ /* fall through */
case 0x1:
case 0x2:
case 0x7:
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 713291881208..6f32b8d2ec7f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -119,7 +119,7 @@ static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
aModeRefSel = 2;
if (aModeRefSel)
break;
- /* else: fall through */
+ /* fall through */
case 1:
default:
aModeRefSel = 0;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 0fe9c8378249..9899661f9a60 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -1055,17 +1055,15 @@ void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
static void ar9003_mci_send_2g5g_status(struct ath_hw *ah, bool wait_done)
{
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 new_flags, to_set, to_clear;
+ u32 to_set, to_clear;
if (!mci->update_2g5g || (mci->bt_state == MCI_BT_SLEEP))
return;
if (mci->is_2g) {
- new_flags = MCI_2G_FLAGS;
to_clear = MCI_2G_FLAGS_CLEAR_MASK;
to_set = MCI_2G_FLAGS_SET_MASK;
} else {
- new_flags = MCI_5G_FLAGS;
to_clear = MCI_5G_FLAGS_CLEAR_MASK;
to_set = MCI_5G_FLAGS_SET_MASK;
}
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 21ba20981a80..0fca44e91a71 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -272,7 +272,7 @@ struct ath_node {
#endif
u8 key_idx[4];
- u32 ackto;
+ int ackto;
struct list_head list;
};
diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c
index 7334c9b09e82..f112fa5b2eac 100644
--- a/drivers/net/wireless/ath/ath9k/dynack.c
+++ b/drivers/net/wireless/ath/ath9k/dynack.c
@@ -29,9 +29,13 @@
* ath_dynack_ewma - EWMA (Exponentially Weighted Moving Average) calculation
*
*/
-static inline u32 ath_dynack_ewma(u32 old, u32 new)
+static inline int ath_dynack_ewma(int old, int new)
{
- return (new * (EWMA_DIV - EWMA_LEVEL) + old * EWMA_LEVEL) / EWMA_DIV;
+ if (old > 0)
+ return (new * (EWMA_DIV - EWMA_LEVEL) +
+ old * EWMA_LEVEL) / EWMA_DIV;
+ else
+ return new;
}
/**
@@ -82,10 +86,10 @@ static inline bool ath_dynack_bssidmask(struct ath_hw *ah, const u8 *mac)
*/
static void ath_dynack_compute_ackto(struct ath_hw *ah)
{
- struct ath_node *an;
- u32 to = 0;
- struct ath_dynack *da = &ah->dynack;
struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_dynack *da = &ah->dynack;
+ struct ath_node *an;
+ int to = 0;
list_for_each_entry(an, &da->nodes, list)
if (an->ackto > to)
@@ -144,7 +148,8 @@ static void ath_dynack_compute_to(struct ath_hw *ah)
an->ackto = ath_dynack_ewma(an->ackto,
ackto);
ath_dbg(ath9k_hw_common(ah), DYNACK,
- "%pM to %u\n", dst, an->ackto);
+ "%pM to %d [%u]\n", dst,
+ an->ackto, ackto);
if (time_is_before_jiffies(da->lto)) {
ath_dynack_compute_ackto(ah);
da->lto = jiffies + COMPUTE_TO;
@@ -166,18 +171,21 @@ static void ath_dynack_compute_to(struct ath_hw *ah)
* @ah: ath hw
* @skb: socket buffer
* @ts: tx status info
+ * @sta: station pointer
*
*/
void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
- struct ath_tx_status *ts)
+ struct ath_tx_status *ts,
+ struct ieee80211_sta *sta)
{
- u8 ridx;
struct ieee80211_hdr *hdr;
struct ath_dynack *da = &ah->dynack;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ u32 dur = ts->duration;
+ u8 ridx;
- if ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !da->enabled)
+ if (!da->enabled || (info->flags & IEEE80211_TX_CTL_NO_ACK))
return;
spin_lock_bh(&da->qlock);
@@ -187,11 +195,19 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
/* late ACK */
if (ts->ts_status & ATH9K_TXERR_XRETRY) {
if (ieee80211_is_assoc_req(hdr->frame_control) ||
- ieee80211_is_assoc_resp(hdr->frame_control)) {
+ ieee80211_is_assoc_resp(hdr->frame_control) ||
+ ieee80211_is_auth(hdr->frame_control)) {
ath_dbg(common, DYNACK, "late ack\n");
+
ath9k_hw_setslottime(ah, (LATEACK_TO - 3) / 2);
ath9k_hw_set_ack_timeout(ah, LATEACK_TO);
ath9k_hw_set_cts_timeout(ah, LATEACK_TO);
+ if (sta) {
+ struct ath_node *an;
+
+ an = (struct ath_node *)sta->drv_priv;
+ an->ackto = -1;
+ }
da->lto = jiffies + LATEACK_DELAY;
}
@@ -202,14 +218,13 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
ridx = ts->ts_rateindex;
da->st_rbf.ts[da->st_rbf.t_rb].tstamp = ts->ts_tstamp;
- da->st_rbf.ts[da->st_rbf.t_rb].dur = ts->duration;
ether_addr_copy(da->st_rbf.addr[da->st_rbf.t_rb].h_dest, hdr->addr1);
ether_addr_copy(da->st_rbf.addr[da->st_rbf.t_rb].h_src, hdr->addr2);
if (!(info->status.rates[ridx].flags & IEEE80211_TX_RC_MCS)) {
- u32 phy, sifs;
const struct ieee80211_rate *rate;
struct ieee80211_tx_rate *rates = info->status.rates;
+ u32 phy;
rate = &common->sbands[info->band].bitrates[rates[ridx].idx];
if (info->band == NL80211_BAND_2GHZ &&
@@ -218,19 +233,18 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
else
phy = WLAN_RC_PHY_OFDM;
- sifs = ath_dynack_get_sifs(ah, phy);
- da->st_rbf.ts[da->st_rbf.t_rb].dur -= sifs;
+ dur -= ath_dynack_get_sifs(ah, phy);
}
-
- ath_dbg(common, DYNACK, "{%pM} tx sample %u [dur %u][h %u-t %u]\n",
- hdr->addr1, da->st_rbf.ts[da->st_rbf.t_rb].tstamp,
- da->st_rbf.ts[da->st_rbf.t_rb].dur, da->st_rbf.h_rb,
- (da->st_rbf.t_rb + 1) % ATH_DYN_BUF);
+ da->st_rbf.ts[da->st_rbf.t_rb].dur = dur;
INCR(da->st_rbf.t_rb, ATH_DYN_BUF);
if (da->st_rbf.t_rb == da->st_rbf.h_rb)
INCR(da->st_rbf.h_rb, ATH_DYN_BUF);
+ ath_dbg(common, DYNACK, "{%pM} tx sample %u [dur %u][h %u-t %u]\n",
+ hdr->addr1, ts->ts_tstamp, dur, da->st_rbf.h_rb,
+ da->st_rbf.t_rb);
+
ath_dynack_compute_to(ah);
spin_unlock_bh(&da->qlock);
@@ -251,20 +265,19 @@ void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb,
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- if (!ath_dynack_bssidmask(ah, hdr->addr1) || !da->enabled)
+ if (!da->enabled || !ath_dynack_bssidmask(ah, hdr->addr1))
return;
spin_lock_bh(&da->qlock);
da->ack_rbf.tstamp[da->ack_rbf.t_rb] = ts;
- ath_dbg(common, DYNACK, "rx sample %u [h %u-t %u]\n",
- da->ack_rbf.tstamp[da->ack_rbf.t_rb],
- da->ack_rbf.h_rb, (da->ack_rbf.t_rb + 1) % ATH_DYN_BUF);
-
INCR(da->ack_rbf.t_rb, ATH_DYN_BUF);
if (da->ack_rbf.t_rb == da->ack_rbf.h_rb)
INCR(da->ack_rbf.h_rb, ATH_DYN_BUF);
+ ath_dbg(common, DYNACK, "rx sample %u [h %u-t %u]\n",
+ ts, da->ack_rbf.h_rb, da->ack_rbf.t_rb);
+
ath_dynack_compute_to(ah);
spin_unlock_bh(&da->qlock);
diff --git a/drivers/net/wireless/ath/ath9k/dynack.h b/drivers/net/wireless/ath/ath9k/dynack.h
index 6d7bef976742..cf60224d40df 100644
--- a/drivers/net/wireless/ath/ath9k/dynack.h
+++ b/drivers/net/wireless/ath/ath9k/dynack.h
@@ -86,7 +86,8 @@ void ath_dynack_node_deinit(struct ath_hw *ah, struct ath_node *an);
void ath_dynack_init(struct ath_hw *ah);
void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb, u32 ts);
void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
- struct ath_tx_status *ts);
+ struct ath_tx_status *ts,
+ struct ieee80211_sta *sta);
#else
static inline void ath_dynack_init(struct ath_hw *ah) {}
static inline void ath_dynack_node_init(struct ath_hw *ah,
@@ -97,7 +98,8 @@ static inline void ath_dynack_sample_ack_ts(struct ath_hw *ah,
struct sk_buff *skb, u32 ts) {}
static inline void ath_dynack_sample_tx_ts(struct ath_hw *ah,
struct sk_buff *skb,
- struct ath_tx_status *ts) {}
+ struct ath_tx_status *ts,
+ struct ieee80211_sta *sta) {}
#endif
#endif /* DYNACK_H */
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index bb319f22761f..8581d917635a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2279,6 +2279,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
case NL80211_IFTYPE_ADHOC:
REG_SET_BIT(ah, AR_TXCFG,
AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
+ /* fall through */
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon);
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 25b3fc82d4ac..f448d5716639 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -629,7 +629,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
if (bf == bf->bf_lastbf)
ath_dynack_sample_tx_ts(sc->sc_ah,
bf->bf_mpdu,
- ts);
+ ts, sta);
}
ath_tx_complete_buf(sc, bf, txq, &bf_head, sta, ts,
@@ -773,7 +773,8 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
memcpy(info->control.rates, bf->rates,
sizeof(info->control.rates));
ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
- ath_dynack_sample_tx_ts(sc->sc_ah, bf->bf_mpdu, ts);
+ ath_dynack_sample_tx_ts(sc->sc_ah, bf->bf_mpdu, ts,
+ sta);
}
ath_tx_complete_buf(sc, bf, txq, bf_head, sta, ts, txok);
} else
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.