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c7f2977365
openwrt-xburst/package/mac80211/patches/300-pending_work.patch
nbd 6dfcb18e8a ath9k: merge an upstream patch that provides a minor throughput improvement on ar9003 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27339 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-07-01 16:11:33 +00:00

464 lines
14 KiB
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Raw Blame History

--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -176,6 +176,8 @@ static void ieee80211_send_addba_resp(st
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_WDS)
+ memcpy(mgmt->bssid, da, ETH_ALEN);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
@@ -262,7 +264,11 @@ void ieee80211_process_addba_request(str
"%pM on tid %u\n",
mgmt->sa, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto end;
+
+ /* delete existing Rx BA session on the same tid */
+ ___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_STATUS_UNSPECIFIED_QOS,
+ false);
}
/* prepare A-MPDU MLME for Rx aggregation */
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
if (sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ sdata->vif.type == NL80211_IFTYPE_WDS)
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
@@ -398,7 +399,8 @@ int ieee80211_start_tx_ba_session(struct
*/
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
- sdata->vif.type != NL80211_IFTYPE_AP)
+ sdata->vif.type != NL80211_IFTYPE_AP &&
+ sdata->vif.type != NL80211_IFTYPE_WDS)
return -EINVAL;
if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
char buf[100];
struct sta_info *sta = file->private_data;
u32 staflags = get_sta_flags(sta);
- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
staflags & WLAN_STA_WME ? "WME\n" : "",
- staflags & WLAN_STA_WDS ? "WDS\n" : "",
staflags & WLAN_STA_MFP ? "MFP\n" : "");
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- struct sta_info *sta;
u32 changed = 0;
int res;
u32 hw_reconf_flags = 0;
@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
set_bit(SDATA_STATE_RUNNING, &sdata->state);
- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
- /* Create STA entry for the WDS peer */
- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
- GFP_KERNEL);
- if (!sta) {
- res = -ENOMEM;
- goto err_del_interface;
- }
-
- /* no locking required since STA is not live yet */
- sta->flags |= WLAN_STA_AUTHORIZED;
-
- res = sta_info_insert(sta);
- if (res) {
- /* STA has been freed */
- goto err_del_interface;
- }
-
- rate_control_rate_init(sta);
- }
-
/*
* set_multicast_list will be invoked by the networking core
* which will check whether any increments here were done in
@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
netif_tx_start_all_queues(dev);
return 0;
- err_del_interface:
- drv_remove_interface(local, &sdata->vif);
+
err_stop:
if (!local->open_count)
drv_stop(local);
@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
+static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_rx_status *rx_status;
+ struct ieee802_11_elems elems;
+ struct ieee80211_mgmt *mgmt;
+ struct sta_info *sta;
+ size_t baselen;
+ u32 rates = 0;
+ u16 stype;
+ bool new = false;
+ enum ieee80211_band band = local->hw.conf.channel->band;
+ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+
+ rx_status = IEEE80211_SKB_RXCB(skb);
+ mgmt = (struct ieee80211_mgmt *) skb->data;
+ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+
+ if (stype != IEEE80211_STYPE_BEACON)
+ return;
+
+ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+ if (baselen > skb->len)
+ return;
+
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
+ skb->len - baselen, &elems);
+
+ rates = ieee80211_sta_get_rates(local, &elems, band);
+
+ rcu_read_lock();
+
+ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
+
+ if (!sta) {
+ rcu_read_unlock();
+ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+ GFP_KERNEL);
+ if (!sta)
+ return;
+
+ new = true;
+ }
+
+ sta->last_rx = jiffies;
+ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ if (elems.wmm_param)
+ set_sta_flags(sta, WLAN_STA_WME);
+
+ if (new) {
+ sta->flags = WLAN_STA_AUTHORIZED;
+ rate_control_rate_init(sta);
+ sta_info_insert_rcu(sta);
+ }
+
+ rcu_read_unlock();
+}
+
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct
break;
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
break;
+ case NL80211_IFTYPE_WDS:
+ ieee80211_wds_rx_queued_mgmt(sdata, skb);
+ break;
default:
WARN(1, "frame for unexpected interface type");
break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r
*/
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
- sdata->vif.type != NL80211_IFTYPE_AP)
+ sdata->vif.type != NL80211_IFTYPE_AP &&
+ sdata->vif.type != NL80211_IFTYPE_WDS)
break;
/* verify action_code is present */
@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
- sdata->vif.type != NL80211_IFTYPE_STATION)
+ sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_WDS)
return RX_DROP_MONITOR;
switch (stype) {
case cpu_to_le16(IEEE80211_STYPE_BEACON):
case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
- /* process for all: mesh, mlme, ibss */
+ /* process for all: mesh, mlme, ibss, wds */
break;
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i
}
break;
case NL80211_IFTYPE_WDS:
- if (bssid || !ieee80211_is_data(hdr->frame_control))
- return 0;
if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
return 0;
+
+ if (ieee80211_is_data(hdr->frame_control) ||
+ ieee80211_is_action(hdr->frame_control)) {
+ if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
+ return 0;
+ } else if (!ieee80211_is_beacon(hdr->frame_control))
+ return 0;
+
break;
default:
/* should never get here */
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -31,7 +31,6 @@
* frames.
* @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
* @WLAN_STA_WME: Station is a QoS-STA.
- * @WLAN_STA_WDS: Station is one of our WDS peers.
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
* frame to this station is transmitted.
@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
WLAN_STA_SHORT_PREAMBLE = 1<<4,
WLAN_STA_ASSOC_AP = 1<<5,
WLAN_STA_WME = 1<<6,
- WLAN_STA_WDS = 1<<7,
WLAN_STA_CLEAR_PS_FILT = 1<<9,
WLAN_STA_MFP = 1<<10,
WLAN_STA_BLOCK_BA = 1<<11,
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -384,7 +384,9 @@ void ath_beacon_tasklet(unsigned long da
ath_dbg(common, ATH_DBG_BSTUCK,
"beacon is officially stuck\n");
sc->sc_flags |= SC_OP_TSF_RESET;
+ spin_lock(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock(&sc->sc_pcu_lock);
}
return;
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *wo
ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
"busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
if (busy >= 99) {
- if (++sc->hw_busy_count >= 3)
+ if (++sc->hw_busy_count >= 3) {
+ spin_lock_bh(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock_bh(&sc->sc_pcu_lock);
+ }
} else if (busy >= 0)
sc->hw_busy_count = 0;
@@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(str
/* Rx is hung for more than 500ms. Reset it */
ath_dbg(common, ATH_DBG_RESET,
"Possible RX hang, resetting");
+ spin_lock_bh(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock_bh(&sc->sc_pcu_lock);
count = 0;
}
} else
@@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data)
if ((status & ATH9K_INT_FATAL) ||
(status & ATH9K_INT_BB_WATCHDOG)) {
+ spin_lock(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock(&sc->sc_pcu_lock);
return;
}
@@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool
del_timer_sync(&common->ani.timer);
ath9k_ps_wakeup(sc);
- spin_lock_bh(&sc->sc_pcu_lock);
ieee80211_stop_queues(hw);
@@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool
}
ieee80211_wake_queues(hw);
- spin_unlock_bh(&sc->sc_pcu_lock);
/* Start ANI */
if (!common->disable_ani)
@@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211
ath9k_ps_wakeup(sc);
spin_lock_bh(&sc->sc_pcu_lock);
drain_txq = ath_drain_all_txq(sc, false);
- spin_unlock_bh(&sc->sc_pcu_lock);
if (!drain_txq)
ath_reset(sc, false);
+ spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
ieee80211_wake_queues(hw);
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct
rcu_read_unlock();
- if (needreset) {
- spin_unlock_bh(&sc->sc_pcu_lock);
+ if (needreset)
ath_reset(sc, false);
- spin_lock_bh(&sc->sc_pcu_lock);
- }
}
static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
@@ -664,7 +661,8 @@ static int ath_compute_num_delims(struct
* TODO - this could be improved to be dependent on the rate.
* The hardware can keep up at lower rates, but not higher rates
*/
- if (fi->keyix != ATH9K_TXKEYIX_INVALID)
+ if ((fi->keyix != ATH9K_TXKEYIX_INVALID) &&
+ !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))
ndelim += ATH_AGGR_ENCRYPTDELIM;
/*
@@ -2169,7 +2167,9 @@ static void ath_tx_complete_poll_work(st
if (needreset) {
ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
"tx hung, resetting the chip\n");
+ spin_lock_bh(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock_bh(&sc->sc_pcu_lock);
}
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table(
memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
memset(index, 0, sizeof(ah->paprd_gain_table_index));
- for (i = 0; i < 32; i++) {
+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
entry[i] = REG_READ(ah, reg);
index[i] = (entry[i] >> 24) & 0xff;
reg += 4;
@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(
static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
int target_power)
{
- int olpc_gain_delta = 0;
+ int olpc_gain_delta = 0, cl_gain_mod;
int alpha_therm, alpha_volt;
int therm_cal_value, volt_cal_value;
int therm_value, volt_value;
int thermal_gain_corr, voltage_gain_corr;
int desired_scale, desired_gain = 0;
- u32 reg;
+ u32 reg_olpc = 0, reg_cl_gain = 0;
REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g
volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
- if (chain == 0)
- reg = AR_PHY_TPC_11_B0;
- else if (chain == 1)
- reg = AR_PHY_TPC_11_B1;
- else
- reg = AR_PHY_TPC_11_B2;
+ switch (chain) {
+ case 0:
+ reg_olpc = AR_PHY_TPC_11_B0;
+ reg_cl_gain = AR_PHY_CL_TAB_0;
+ break;
+ case 1:
+ reg_olpc = AR_PHY_TPC_11_B1;
+ reg_cl_gain = AR_PHY_CL_TAB_1;
+ break;
+ case 2:
+ reg_olpc = AR_PHY_TPC_11_B2;
+ reg_cl_gain = AR_PHY_CL_TAB_2;
+ break;
+ default:
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "Invalid chainmask: %d\n", chain);
+ break;
+ }
- olpc_gain_delta = REG_READ_FIELD(ah, reg,
+ olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
AR_PHY_TPC_11_OLPC_GAIN_DELTA);
+ cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
+ AR_PHY_CL_TAB_CL_GAIN_MOD);
if (olpc_gain_delta >= 128)
olpc_gain_delta = olpc_gain_delta - 256;
@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g
voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
(128 / 2)) / 128;
desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
- voltage_gain_corr + desired_scale;
+ voltage_gain_corr + desired_scale + cl_gain_mod;
return desired_gain;
}
@@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct
desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
gain_index = 0;
- for (i = 0; i < 32; i++) {
+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
if (ah->paprd_gain_table_index[i] >= desired_gain)
break;
gain_index++;
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -1121,6 +1121,9 @@
#define AR_PHY_POWERTX_RATE8_POWERTXHT40_5 0x3F00
#define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S 8
+#define AR_PHY_CL_TAB_CL_GAIN_MOD 0x1f
+#define AR_PHY_CL_TAB_CL_GAIN_MOD_S 0
+
void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
#endif /* AR9003_PHY_H */
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