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-rw-r--r--drivers/net/wireless/ath9k/rc.c1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c10
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c13
-rw-r--r--net/mac80211/mesh_hwmp.c2
-rw-r--r--net/mac80211/rc80211_pid.h2
-rw-r--r--net/mac80211/rc80211_pid_algo.c33
-rw-r--r--net/mac80211/sta_info.h2
-rw-r--r--net/mac80211/tx.c2
-rw-r--r--net/mac80211/wext.c4
9 files changed, 32 insertions, 37 deletions
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 226d70c73fe6..1cc9daf44550 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -2039,7 +2039,6 @@ static void ath_rate_init(void *priv, void *priv_sta,
DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- sta->txrate_idx = rate_lowest_index(local, sband, sta);
ath_setup_rates(local, sta);
if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index f751b9097592..a279bf1dc9b0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -334,13 +334,11 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
for (i = IWL_RATE_COUNT - 1; i >= 0; i--) {
if (sta->sta.supp_rates[local->hw.conf.channel->band] & (1 << i)) {
- sta->txrate_idx = i;
+ rs_sta->last_txrate_idx = i;
break;
}
}
- rs_sta->last_txrate_idx = sta->txrate_idx;
-
/* For 5 GHz band it start at IWL_FIRST_OFDM_RATE */
if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
rs_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
@@ -809,15 +807,13 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
rs_sta->last_txrate_idx = index;
if (sband->band == IEEE80211_BAND_5GHZ)
- sta->txrate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
+ sel->rate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
else
- sta->txrate_idx = rs_sta->last_txrate_idx;
+ sel->rate_idx = rs_sta->last_txrate_idx;
rcu_read_unlock();
IWL_DEBUG_RATE("leave: %d\n", index);
-
- sel->rate_idx = sta->txrate_idx;
}
static struct rate_control_ops rs_ops = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index f7191a9a7fb7..a8711c314e6a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2064,14 +2064,6 @@ out:
i = index;
lq_sta->last_txrate_idx = i;
- /* sta->txrate_idx is an index to A mode rates which start
- * at IWL_FIRST_OFDM_RATE
- */
- if (lq_sta->band == IEEE80211_BAND_5GHZ)
- sta->txrate_idx = i - IWL_FIRST_OFDM_RATE;
- else
- sta->txrate_idx = i;
-
return;
}
@@ -2234,7 +2226,6 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
lq_sta->flush_timer = 0;
lq_sta->supp_rates = sta->sta.supp_rates[sband->band];
- sta->txrate_idx = 3;
for (j = 0; j < LQ_SIZE; j++)
for (i = 0; i < IWL_RATE_COUNT; i++)
rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
@@ -2269,11 +2260,11 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
}
/* Find highest tx rate supported by hardware and destination station */
+ lq_sta->last_txrate_idx = 3;
for (i = 0; i < sband->n_bitrates; i++)
if (sta->sta.supp_rates[sband->band] & BIT(i))
- sta->txrate_idx = i;
+ lq_sta->last_txrate_idx = i;
- lq_sta->last_txrate_idx = sta->txrate_idx;
/* For MODE_IEEE80211A, skip over cck rates in global rate table */
if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 15a5c99270a8..501c7831adb4 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -223,7 +223,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
/* bitrate is in units of 100 Kbps, while we need rate in units of
* 1Mbps. This will be corrected on tx_time computation.
*/
- rate = sband->bitrates[sta->txrate_idx].bitrate;
+ rate = sband->bitrates[sta->last_txrate_idx].bitrate;
tx_time = (device_constant + 10 * test_frame_len / rate);
estimated_retx = ((1 << (2 * ARITH_SHIFT)) / (s_unit - err));
result = (tx_time * estimated_retx) >> (2 * ARITH_SHIFT) ;
diff --git a/net/mac80211/rc80211_pid.h b/net/mac80211/rc80211_pid.h
index 0a9135b974b5..ffafc5da572e 100644
--- a/net/mac80211/rc80211_pid.h
+++ b/net/mac80211/rc80211_pid.h
@@ -180,6 +180,8 @@ struct rc_pid_sta_info {
u32 tx_num_failed;
u32 tx_num_xmit;
+ int txrate_idx;
+
/* Average failed frames percentage error (i.e. actual vs. target
* percentage), scaled by RC_PID_SMOOTHING. This value is computed
* using using an exponential weighted average technique:
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 24e44f521302..bc1c4569caa1 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -75,7 +75,8 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata;
struct ieee80211_supported_band *sband;
int cur_sorted, new_sorted, probe, tmp, n_bitrates, band;
- int cur = sta->txrate_idx;
+ struct rc_pid_sta_info *spinfo = (void *)sta->rate_ctrl_priv;
+ int cur = spinfo->txrate_idx;
sdata = sta->sdata;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
@@ -111,7 +112,7 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
/* Fit the rate found to the nearest supported rate. */
do {
if (rate_supported(sta, band, rinfo[tmp].index)) {
- sta->txrate_idx = rinfo[tmp].index;
+ spinfo->txrate_idx = rinfo[tmp].index;
break;
}
if (adj < 0)
@@ -121,9 +122,9 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
} while (tmp < n_bitrates && tmp >= 0);
#ifdef CONFIG_MAC80211_DEBUGFS
- rate_control_pid_event_rate_change(
- &((struct rc_pid_sta_info *)sta->rate_ctrl_priv)->events,
- sta->txrate_idx, sband->bitrates[sta->txrate_idx].bitrate);
+ rate_control_pid_event_rate_change(&spinfo->events,
+ spinfo->txrate_idx,
+ sband->bitrates[spinfo->txrate_idx].bitrate);
#endif
}
@@ -190,16 +191,16 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
spinfo->tx_num_failed = 0;
/* If we just switched rate, update the rate behaviour info. */
- if (pinfo->oldrate != sta->txrate_idx) {
+ if (pinfo->oldrate != spinfo->txrate_idx) {
i = rinfo[pinfo->oldrate].rev_index;
- j = rinfo[sta->txrate_idx].rev_index;
+ j = rinfo[spinfo->txrate_idx].rev_index;
tmp = (pf - spinfo->last_pf);
tmp = RC_PID_DO_ARITH_RIGHT_SHIFT(tmp, RC_PID_ARITH_SHIFT);
rinfo[j].diff = rinfo[i].diff + tmp;
- pinfo->oldrate = sta->txrate_idx;
+ pinfo->oldrate = spinfo->txrate_idx;
}
rate_control_pid_normalize(pinfo, sband->n_bitrates);
@@ -252,19 +253,20 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
if (!sta)
goto unlock;
+ spinfo = sta->rate_ctrl_priv;
+
/* Don't update the state if we're not controlling the rate. */
sdata = sta->sdata;
if (sdata->force_unicast_rateidx > -1) {
- sta->txrate_idx = sdata->max_ratectrl_rateidx;
+ spinfo->txrate_idx = sdata->max_ratectrl_rateidx;
goto unlock;
}
/* Ignore all frames that were sent with a different rate than the rate
* we currently advise mac80211 to use. */
- if (info->tx_rate_idx != sta->txrate_idx)
+ if (info->tx_rate_idx != spinfo->txrate_idx)
goto unlock;
- spinfo = sta->rate_ctrl_priv;
spinfo->tx_num_xmit++;
#ifdef CONFIG_MAC80211_DEBUGFS
@@ -301,6 +303,7 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_sub_if_data *sdata;
+ struct rc_pid_sta_info *spinfo;
struct sta_info *sta;
int rateidx;
u16 fc;
@@ -321,10 +324,11 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
/* If a forced rate is in effect, select it. */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ spinfo = (struct rc_pid_sta_info *)sta->rate_ctrl_priv;
if (sdata->force_unicast_rateidx > -1)
- sta->txrate_idx = sdata->force_unicast_rateidx;
+ spinfo->txrate_idx = sdata->force_unicast_rateidx;
- rateidx = sta->txrate_idx;
+ rateidx = spinfo->txrate_idx;
if (rateidx >= sband->n_bitrates)
rateidx = sband->n_bitrates - 1;
@@ -349,9 +353,10 @@ static void rate_control_pid_rate_init(void *priv, void *priv_sta,
* Until that method is implemented, we will use the lowest supported
* rate as a workaround. */
struct ieee80211_supported_band *sband;
+ struct rc_pid_sta_info *spinfo = (void *)sta->rate_ctrl_priv;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- sta->txrate_idx = rate_lowest_index(local, sband, sta);
+ spinfo->txrate_idx = rate_lowest_index(local, sband, sta);
sta->fail_avg = 0;
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 4dafa044b2f2..5d8fabf7a68b 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -274,7 +274,7 @@ struct sta_info {
unsigned long tx_packets;
unsigned long tx_bytes;
unsigned long tx_fragments;
- int txrate_idx;
+ unsigned int last_txrate_idx;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 07bf228d0b16..7468495d6f9c 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -485,6 +485,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
if (likely(tx->rate_idx < 0)) {
rate_control_get_rate(tx->dev, sband, tx->skb, &rsel);
+ if (tx->sta)
+ tx->sta->last_txrate_idx = rsel.rate_idx;
tx->rate_idx = rsel.rate_idx;
if (unlikely(rsel.probe_idx >= 0)) {
info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index aef9707700fd..7e0d53abde24 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -636,8 +636,8 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
sta = sta_info_get(local, sdata->u.sta.bssid);
- if (sta && sta->txrate_idx < sband->n_bitrates)
- rate->value = sband->bitrates[sta->txrate_idx].bitrate;
+ if (sta && sta->last_txrate_idx < sband->n_bitrates)
+ rate->value = sband->bitrates[sta->last_txrate_idx].bitrate;
else
rate->value = 0;
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