diff options
| -rw-r--r-- | include/net/mac80211.h | 4 | ||||
| -rw-r--r-- | net/mac80211/rc80211_minstrel.c | 6 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 8 |
3 files changed, 15 insertions, 3 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 05dbb9788504..4f693a5c54de 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -655,7 +655,9 @@ struct ieee80211_tx_info { struct ieee80211_tx_rate rates[ IEEE80211_TX_MAX_RATES]; s8 rts_cts_rate_idx; - /* 3 bytes free */ + u8 use_rts:1; + u8 use_cts_prot:1; + /* 2 bytes free */ }; /* only needed before rate control */ unsigned long jiffies; diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index 1c36c9b4fa4a..eda290fb8bd2 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -209,9 +209,9 @@ minstrel_get_retry_count(struct minstrel_rate *mr, { unsigned int retry = mr->adjusted_retry_count; - if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) + if (info->control.use_rts) retry = max(2U, min(mr->retry_count_rtscts, retry)); - else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) + else if (info->control.use_cts_prot) retry = max(2U, min(mr->retry_count_cts, retry)); return retry; } @@ -460,6 +460,8 @@ minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband, } while ((tx_time < mp->segment_size) && (++mr->retry_count < mp->max_retry)); mr->adjusted_retry_count = mr->retry_count; + if (!(sband->bitrates[i].flags & IEEE80211_RATE_ERP_G)) + mr->retry_count_cts = mr->retry_count; } for (i = n; i < sband->n_bitrates; i++) { diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 15c1b286e280..6ca857f8f424 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -656,6 +656,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) txrc.rts = rts = true; } + info->control.use_rts = rts; + info->control.use_cts_prot = tx->sdata->vif.bss_conf.use_cts_prot; + /* * Use short preamble if the BSS can handle it, but not for * management frames unless we know the receiver can handle @@ -766,6 +769,11 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) */ if (rc_rate->flags & IEEE80211_TX_RC_MCS) { WARN_ON(rc_rate->idx > 76); + + if (!(rc_rate->flags & IEEE80211_TX_RC_USE_RTS_CTS) && + tx->sdata->vif.bss_conf.use_cts_prot) + rc_rate->flags |= + IEEE80211_TX_RC_USE_CTS_PROTECT; continue; } |