diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-rs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index 25b4356fcc1c..044abf734eb6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -651,6 +651,7 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; u16 fc; u16 rate_mask = 0; + s8 max_rate_idx = -1; struct iwl_priv *priv = (struct iwl_priv *)priv_r; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -675,6 +676,13 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, return; } + /* get user max rate if set */ + max_rate_idx = txrc->max_rate_idx; + if ((sband->band == IEEE80211_BAND_5GHZ) && (max_rate_idx != -1)) + max_rate_idx += IWL_FIRST_OFDM_RATE; + if ((max_rate_idx < 0) || (max_rate_idx >= IWL_RATE_COUNT)) + max_rate_idx = -1; + index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT_3945 - 1); if (sband->band == IEEE80211_BAND_5GHZ) @@ -706,6 +714,12 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, rs_sta->start_rate = IWL_RATE_INVALID; } + /* force user max rate if set by user */ + if ((max_rate_idx != -1) && (max_rate_idx < index)) { + if (rate_mask & (1 << max_rate_idx)) + index = max_rate_idx; + } + window = &(rs_sta->win[index]); fail_count = window->counter - window->success_counter; @@ -732,6 +746,10 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, low = high_low & 0xff; high = (high_low >> 8) & 0xff; + /* If user set max rate, dont allow higher than user constrain */ + if ((max_rate_idx != -1) && (max_rate_idx < high)) + high = IWL_RATE_INVALID; + if (low != IWL_RATE_INVALID) low_tpt = rs_sta->win[low].average_tpt; |
