diff options
Diffstat (limited to 'net/mac80211/rate.c')
-rw-r--r-- | net/mac80211/rate.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index 5d786720d93..3fa7ab28506 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -199,48 +199,44 @@ static void rate_control_release(struct kref *kref) } void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, - struct ieee80211_supported_band *sband, - struct sta_info *sta, struct sk_buff *skb, - struct rate_selection *sel) + struct sta_info *sta, + struct ieee80211_tx_rate_control *txrc) { struct rate_control_ref *ref = sdata->local->rate_ctrl; void *priv_sta = NULL; struct ieee80211_sta *ista = NULL; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb); int i; - sel->rate_idx = -1; - sel->nonerp_idx = -1; - sel->probe_idx = -1; - sel->max_rate_idx = sdata->max_ratectrl_rateidx; - if (sta) { ista = &sta->sta; priv_sta = sta->rate_ctrl_priv; } + for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { + info->control.rates[i].idx = -1; + info->control.rates[i].flags = 0; + info->control.rates[i].count = 1; + } + if (sta && sdata->force_unicast_rateidx > -1) - sel->rate_idx = sdata->force_unicast_rateidx; + info->control.rates[0].idx = sdata->force_unicast_rateidx; else - ref->ops->get_rate(ref->priv, sband, ista, priv_sta, skb, sel); - - if (sdata->max_ratectrl_rateidx > -1 && - sel->rate_idx > sdata->max_ratectrl_rateidx) - sel->rate_idx = sdata->max_ratectrl_rateidx; - - BUG_ON(sel->rate_idx < 0); - - /* Select a non-ERP backup rate. */ - if (sel->nonerp_idx < 0) { - for (i = 0; i < sband->n_bitrates; i++) { - struct ieee80211_rate *rate = &sband->bitrates[i]; - if (sband->bitrates[sel->rate_idx].bitrate < rate->bitrate) - break; - - if (rate_supported(ista, sband->band, i) && - !(rate->flags & IEEE80211_RATE_ERP_G)) - sel->nonerp_idx = i; - } + ref->ops->get_rate(ref->priv, ista, priv_sta, txrc); + + /* + * try to enforce the maximum rate the user wanted + */ + if (sdata->max_ratectrl_rateidx > -1) + for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { + if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) + continue; + info->control.rates[i].idx = + min_t(s8, info->control.rates[i].idx, + sdata->max_ratectrl_rateidx); } + + BUG_ON(info->control.rates[0].idx < 0); } struct rate_control_ref *rate_control_get(struct rate_control_ref *ref) |