aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c45
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.h2
2 files changed, 22 insertions, 25 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index c4bfba6f3c2b..08604eb8291b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -158,9 +158,9 @@ static void iwl3945_clear_window(struct iwl3945_rate_scale_data *window)
158{ 158{
159 window->data = 0; 159 window->data = 0;
160 window->success_counter = 0; 160 window->success_counter = 0;
161 window->success_ratio = IWL_INVALID_VALUE; 161 window->success_ratio = -1;
162 window->counter = 0; 162 window->counter = 0;
163 window->average_tpt = IWL_INVALID_VALUE; 163 window->average_tpt = IWL_INV_TPT;
164 window->stamp = 0; 164 window->stamp = 0;
165} 165}
166 166
@@ -459,13 +459,13 @@ static void rs_tx_status(void *priv_rate,
459 struct iwl3945_rs_sta *rs_sta; 459 struct iwl3945_rs_sta *rs_sta;
460 struct ieee80211_supported_band *sband; 460 struct ieee80211_supported_band *sband;
461 461
462 IWL_DEBUG_RATE("enter\n");
463
462 sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; 464 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
463 465
464 IWL_DEBUG_RATE("enter\n");
465 466
466 retries = tx_resp->retry_count; 467 retries = tx_resp->retry_count;
467 /* FIXME : this is wrong */ 468 first_index = tx_resp->control.tx_rate->hw_value;
468 first_index = &sband->bitrates[0] - tx_resp->control.tx_rate;
469 if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) { 469 if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
470 IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index); 470 IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index);
471 return; 471 return;
@@ -634,7 +634,7 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
634 * 634 *
635 */ 635 */
636static void rs_get_rate(void *priv_rate, struct net_device *dev, 636static void rs_get_rate(void *priv_rate, struct net_device *dev,
637 struct ieee80211_supported_band *band, 637 struct ieee80211_supported_band *sband,
638 struct sk_buff *skb, 638 struct sk_buff *skb,
639 struct rate_selection *sel) 639 struct rate_selection *sel)
640{ 640{
@@ -644,9 +644,9 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
644 int index; 644 int index;
645 struct iwl3945_rs_sta *rs_sta; 645 struct iwl3945_rs_sta *rs_sta;
646 struct iwl3945_rate_scale_data *window = NULL; 646 struct iwl3945_rate_scale_data *window = NULL;
647 int current_tpt = IWL_INVALID_VALUE; 647 int current_tpt = IWL_INV_TPT;
648 int low_tpt = IWL_INVALID_VALUE; 648 int low_tpt = IWL_INV_TPT;
649 int high_tpt = IWL_INVALID_VALUE; 649 int high_tpt = IWL_INV_TPT;
650 u32 fail_count; 650 u32 fail_count;
651 s8 scale_action = 0; 651 s8 scale_action = 0;
652 unsigned long flags; 652 unsigned long flags;
@@ -670,15 +670,15 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
670 is_multicast_ether_addr(hdr->addr1) || 670 is_multicast_ether_addr(hdr->addr1) ||
671 !sta || !sta->rate_ctrl_priv) { 671 !sta || !sta->rate_ctrl_priv) {
672 IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); 672 IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
673 sel->rate = rate_lowest(local, band, sta); 673 sel->rate = rate_lowest(local, sband, sta);
674 rcu_read_unlock(); 674 rcu_read_unlock();
675 return; 675 return;
676 } 676 }
677 677
678 rate_mask = sta->supp_rates[band->band]; 678 rate_mask = sta->supp_rates[sband->band];
679 index = min(sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1); 679 index = min(sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1);
680 680
681 if (priv->band == IEEE80211_BAND_5GHZ) 681 if (sband->band == IEEE80211_BAND_5GHZ)
682 rate_mask = rate_mask << IWL_FIRST_OFDM_RATE; 682 rate_mask = rate_mask << IWL_FIRST_OFDM_RATE;
683 683
684 rs_sta = (void *)sta->rate_ctrl_priv; 684 rs_sta = (void *)sta->rate_ctrl_priv;
@@ -710,7 +710,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
710 710
711 if (((fail_count <= IWL_RATE_MIN_FAILURE_TH) && 711 if (((fail_count <= IWL_RATE_MIN_FAILURE_TH) &&
712 (window->success_counter < IWL_RATE_MIN_SUCCESS_TH))) { 712 (window->success_counter < IWL_RATE_MIN_SUCCESS_TH))) {
713 window->average_tpt = IWL_INVALID_VALUE; 713 window->average_tpt = IWL_INV_TPT;
714 spin_unlock_irqrestore(&rs_sta->lock, flags); 714 spin_unlock_irqrestore(&rs_sta->lock, flags);
715 715
716 IWL_DEBUG_RATE("Invalid average_tpt on rate %d: " 716 IWL_DEBUG_RATE("Invalid average_tpt on rate %d: "
@@ -729,7 +729,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
729 current_tpt = window->average_tpt; 729 current_tpt = window->average_tpt;
730 730
731 high_low = iwl3945_get_adjacent_rate(rs_sta, index, rate_mask, 731 high_low = iwl3945_get_adjacent_rate(rs_sta, index, rate_mask,
732 band->band); 732 sband->band);
733 low = high_low & 0xff; 733 low = high_low & 0xff;
734 high = (high_low >> 8) & 0xff; 734 high = (high_low >> 8) & 0xff;
735 735
@@ -746,19 +746,16 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
746 if ((window->success_ratio < IWL_RATE_DECREASE_TH) || !current_tpt) { 746 if ((window->success_ratio < IWL_RATE_DECREASE_TH) || !current_tpt) {
747 IWL_DEBUG_RATE("decrease rate because of low success_ratio\n"); 747 IWL_DEBUG_RATE("decrease rate because of low success_ratio\n");
748 scale_action = -1; 748 scale_action = -1;
749 } else if ((low_tpt == IWL_INVALID_VALUE) && 749 } else if ((low_tpt == IWL_INV_TPT) && (high_tpt == IWL_INV_TPT))
750 (high_tpt == IWL_INVALID_VALUE))
751 scale_action = 1; 750 scale_action = 1;
752 else if ((low_tpt != IWL_INVALID_VALUE) && 751 else if ((low_tpt != IWL_INV_TPT) && (high_tpt != IWL_INV_TPT) &&
753 (high_tpt != IWL_INVALID_VALUE) 752 (low_tpt < current_tpt) && (high_tpt < current_tpt)) {
754 && (low_tpt < current_tpt)
755 && (high_tpt < current_tpt)) {
756 IWL_DEBUG_RATE("No action -- low [%d] & high [%d] < " 753 IWL_DEBUG_RATE("No action -- low [%d] & high [%d] < "
757 "current_tpt [%d]\n", 754 "current_tpt [%d]\n",
758 low_tpt, high_tpt, current_tpt); 755 low_tpt, high_tpt, current_tpt);
759 scale_action = 0; 756 scale_action = 0;
760 } else { 757 } else {
761 if (high_tpt != IWL_INVALID_VALUE) { 758 if (high_tpt != IWL_INV_TPT) {
762 if (high_tpt > current_tpt) 759 if (high_tpt > current_tpt)
763 scale_action = 1; 760 scale_action = 1;
764 else { 761 else {
@@ -766,7 +763,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
766 ("decrease rate because of high tpt\n"); 763 ("decrease rate because of high tpt\n");
767 scale_action = -1; 764 scale_action = -1;
768 } 765 }
769 } else if (low_tpt != IWL_INVALID_VALUE) { 766 } else if (low_tpt != IWL_INV_TPT) {
770 if (low_tpt > current_tpt) { 767 if (low_tpt > current_tpt) {
771 IWL_DEBUG_RATE 768 IWL_DEBUG_RATE
772 ("decrease rate because of low tpt\n"); 769 ("decrease rate because of low tpt\n");
@@ -808,7 +805,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
808 out: 805 out:
809 806
810 sta->last_txrate_idx = index; 807 sta->last_txrate_idx = index;
811 if (priv->band == IEEE80211_BAND_5GHZ) 808 if (sband->band == IEEE80211_BAND_5GHZ)
812 sta->txrate_idx = sta->last_txrate_idx - IWL_FIRST_OFDM_RATE; 809 sta->txrate_idx = sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
813 else 810 else
814 sta->txrate_idx = sta->last_txrate_idx; 811 sta->txrate_idx = sta->last_txrate_idx;
@@ -817,7 +814,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
817 814
818 IWL_DEBUG_RATE("leave: %d\n", index); 815 IWL_DEBUG_RATE("leave: %d\n", index);
819 816
820 sel->rate = &priv->ieee_rates[index]; 817 sel->rate = &sband->bitrates[sta->txrate_idx];
821} 818}
822 819
823static struct rate_control_ops rs_ops = { 820static struct rate_control_ops rs_ops = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.h b/drivers/net/wireless/iwlwifi/iwl-3945-rs.h
index 3c61f08febe6..b082a093ee26 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.h
@@ -159,7 +159,7 @@ enum {
159 159
160#define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1) 160#define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1)
161 161
162#define IWL_INVALID_VALUE -1 162#define IWL_INV_TPT -1
163 163
164#define IWL_MIN_RSSI_VAL -100 164#define IWL_MIN_RSSI_VAL -100
165#define IWL_MAX_RSSI_VAL 0 165#define IWL_MAX_RSSI_VAL 0