diff options
| -rw-r--r-- | include/net/mac80211.h | 2 | ||||
| -rw-r--r-- | net/mac80211/rate.c | 25 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 24 |
3 files changed, 40 insertions, 11 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index ad4b70034e77..39c516c352be 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2299,6 +2299,7 @@ enum rate_control_changed { * @max_rate_idx: user-requested maximum rate (not MCS for now) * @skb: the skb that will be transmitted, the control information in it needs * to be filled in + * @ap: whether this frame is sent out in AP mode */ struct ieee80211_tx_rate_control { struct ieee80211_hw *hw; @@ -2308,6 +2309,7 @@ struct ieee80211_tx_rate_control { struct ieee80211_tx_rate reported_rate; bool rts, short_preamble; u8 max_rate_idx; + bool ap; }; struct rate_control_ops { diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index b9007f80cb92..6349e7f4dcae 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -207,6 +207,27 @@ static bool rc_no_data_or_no_ack(struct ieee80211_tx_rate_control *txrc) return ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc)); } +static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u8 max_rate_idx) +{ + u8 i; + + if (basic_rates == 0) + return; /* assume basic rates unknown and accept rate */ + if (*idx < 0) + return; + if (basic_rates & (1 << *idx)) + return; /* selected rate is a basic rate */ + + for (i = *idx + 1; i <= max_rate_idx; i++) { + if (basic_rates & (1 << i)) { + *idx = i; + return; + } + } + + /* could not find a basic rate; use original selection */ +} + bool rate_control_send_low(struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_tx_rate_control *txrc) @@ -218,6 +239,10 @@ bool rate_control_send_low(struct ieee80211_sta *sta, info->control.rates[0].count = (info->flags & IEEE80211_TX_CTL_NO_ACK) ? 1 : txrc->hw->max_rate_tries; + if (!sta && txrc->ap) + rc_send_low_broadcast(&info->control.rates[0].idx, + txrc->bss_conf->basic_rates, + txrc->sband->n_bitrates); return true; } return false; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 140da4a7f13d..4961168f5091 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -520,6 +520,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) txrc.skb = tx->skb; txrc.reported_rate.idx = -1; txrc.max_rate_idx = tx->sdata->max_ratectrl_rateidx; + txrc.ap = tx->sdata->vif.type == NL80211_IFTYPE_AP; /* set up RTS protection if desired */ if (len > tx->local->hw.wiphy->rts_threshold) { @@ -2060,6 +2061,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, struct beacon_data *beacon; struct ieee80211_supported_band *sband; enum ieee80211_band band = local->hw.conf.channel->band; + struct ieee80211_tx_rate_control txrc; sband = local->hw.wiphy->bands[band]; @@ -2167,21 +2169,21 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, info = IEEE80211_SKB_CB(skb); info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + info->flags |= IEEE80211_TX_CTL_NO_ACK; info->band = band; - /* - * XXX: For now, always use the lowest rate - */ - info->control.rates[0].idx = 0; - info->control.rates[0].count = 1; - info->control.rates[1].idx = -1; - info->control.rates[2].idx = -1; - info->control.rates[3].idx = -1; - info->control.rates[4].idx = -1; - BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5); + + memset(&txrc, 0, sizeof(txrc)); + txrc.hw = hw; + txrc.sband = sband; + txrc.bss_conf = &sdata->vif.bss_conf; + txrc.skb = skb; + txrc.reported_rate.idx = -1; + txrc.max_rate_idx = sdata->max_ratectrl_rateidx; + txrc.ap = true; + rate_control_get_rate(sdata, NULL, &txrc); info->control.vif = vif; - info->flags |= IEEE80211_TX_CTL_NO_ACK; info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; out: |