diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/mesh_hwmp.c | 2 | ||||
| -rw-r--r-- | net/mac80211/rc80211_pid.h | 2 | ||||
| -rw-r--r-- | net/mac80211/rc80211_pid_algo.c | 33 | ||||
| -rw-r--r-- | net/mac80211/sta_info.h | 2 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 2 | ||||
| -rw-r--r-- | net/mac80211/wext.c | 4 |
6 files changed, 27 insertions, 18 deletions
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; |