diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-rs.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 57 |
1 files changed, 18 insertions, 39 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index c25daec4f93d..f440ed0fe543 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c | |||
@@ -422,34 +422,6 @@ static void rs_free_sta(void *priv, struct ieee80211_sta *sta, | |||
422 | } | 422 | } |
423 | 423 | ||
424 | 424 | ||
425 | /* | ||
426 | * get ieee prev rate from rate scale table. | ||
427 | * for A and B mode we need to overright prev | ||
428 | * value | ||
429 | */ | ||
430 | static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate) | ||
431 | { | ||
432 | int next_rate = iwl3945_get_prev_ieee_rate(rate); | ||
433 | |||
434 | switch (priv->band) { | ||
435 | case IEEE80211_BAND_5GHZ: | ||
436 | if (rate == IWL_RATE_12M_INDEX) | ||
437 | next_rate = IWL_RATE_9M_INDEX; | ||
438 | else if (rate == IWL_RATE_6M_INDEX) | ||
439 | next_rate = IWL_RATE_6M_INDEX; | ||
440 | break; | ||
441 | /* XXX cannot be invoked in current mac80211 so not a regression | ||
442 | case MODE_IEEE80211B: | ||
443 | if (rate == IWL_RATE_11M_INDEX_TABLE) | ||
444 | next_rate = IWL_RATE_5M_INDEX_TABLE; | ||
445 | break; | ||
446 | */ | ||
447 | default: | ||
448 | break; | ||
449 | } | ||
450 | |||
451 | return next_rate; | ||
452 | } | ||
453 | /** | 425 | /** |
454 | * rs_tx_status - Update rate control values based on Tx results | 426 | * rs_tx_status - Update rate control values based on Tx results |
455 | * | 427 | * |
@@ -460,17 +432,21 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband | |||
460 | struct ieee80211_sta *sta, void *priv_sta, | 432 | struct ieee80211_sta *sta, void *priv_sta, |
461 | struct sk_buff *skb) | 433 | struct sk_buff *skb) |
462 | { | 434 | { |
463 | u8 retries, current_count; | 435 | u8 retries = 0, current_count; |
464 | int scale_rate_index, first_index, last_index; | 436 | int scale_rate_index, first_index, last_index; |
465 | unsigned long flags; | 437 | unsigned long flags; |
466 | struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate; | 438 | struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate; |
467 | struct iwl3945_rs_sta *rs_sta = priv_sta; | 439 | struct iwl3945_rs_sta *rs_sta = priv_sta; |
468 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | 440 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
441 | int i; | ||
469 | 442 | ||
470 | IWL_DEBUG_RATE("enter\n"); | 443 | IWL_DEBUG_RATE("enter\n"); |
471 | 444 | ||
472 | retries = info->status.retry_count; | 445 | for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) |
473 | first_index = sband->bitrates[info->tx_rate_idx].hw_value; | 446 | retries += info->status.rates[i].count; |
447 | retries--; | ||
448 | |||
449 | first_index = sband->bitrates[info->status.rates[0].idx].hw_value; | ||
474 | if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) { | 450 | if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) { |
475 | IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index); | 451 | IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index); |
476 | return; | 452 | return; |
@@ -502,7 +478,7 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband | |||
502 | last_index = scale_rate_index; | 478 | last_index = scale_rate_index; |
503 | } else { | 479 | } else { |
504 | current_count = priv->retry_rate; | 480 | current_count = priv->retry_rate; |
505 | last_index = rs_adjust_next_rate(priv, | 481 | last_index = iwl3945_rs_next_rate(priv, |
506 | scale_rate_index); | 482 | scale_rate_index); |
507 | } | 483 | } |
508 | 484 | ||
@@ -518,7 +494,7 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband | |||
518 | 494 | ||
519 | if (retries) | 495 | if (retries) |
520 | scale_rate_index = | 496 | scale_rate_index = |
521 | rs_adjust_next_rate(priv, scale_rate_index); | 497 | iwl3945_rs_next_rate(priv, scale_rate_index); |
522 | } | 498 | } |
523 | 499 | ||
524 | 500 | ||
@@ -630,10 +606,11 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta, | |||
630 | * rate table and must reference the driver allocated rate table | 606 | * rate table and must reference the driver allocated rate table |
631 | * | 607 | * |
632 | */ | 608 | */ |
633 | static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband, | 609 | static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, |
634 | struct ieee80211_sta *sta, void *priv_sta, | 610 | void *priv_sta, struct ieee80211_tx_rate_control *txrc) |
635 | struct sk_buff *skb, struct rate_selection *sel) | ||
636 | { | 611 | { |
612 | struct ieee80211_supported_band *sband = txrc->sband; | ||
613 | struct sk_buff *skb = txrc->skb; | ||
637 | u8 low = IWL_RATE_INVALID; | 614 | u8 low = IWL_RATE_INVALID; |
638 | u8 high = IWL_RATE_INVALID; | 615 | u8 high = IWL_RATE_INVALID; |
639 | u16 high_low; | 616 | u16 high_low; |
@@ -649,6 +626,7 @@ static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband, | |||
649 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | 626 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
650 | u16 fc, rate_mask; | 627 | u16 fc, rate_mask; |
651 | struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r; | 628 | struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r; |
629 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | ||
652 | 630 | ||
653 | IWL_DEBUG_RATE("enter\n"); | 631 | IWL_DEBUG_RATE("enter\n"); |
654 | 632 | ||
@@ -659,7 +637,7 @@ static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband, | |||
659 | is_multicast_ether_addr(hdr->addr1) || | 637 | is_multicast_ether_addr(hdr->addr1) || |
660 | !sta || !priv_sta) { | 638 | !sta || !priv_sta) { |
661 | IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); | 639 | IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); |
662 | sel->rate_idx = rate_lowest_index(sband, sta); | 640 | info->control.rates[0].idx = rate_lowest_index(sband, sta); |
663 | return; | 641 | return; |
664 | } | 642 | } |
665 | 643 | ||
@@ -792,9 +770,10 @@ static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband, | |||
792 | 770 | ||
793 | rs_sta->last_txrate_idx = index; | 771 | rs_sta->last_txrate_idx = index; |
794 | if (sband->band == IEEE80211_BAND_5GHZ) | 772 | if (sband->band == IEEE80211_BAND_5GHZ) |
795 | sel->rate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE; | 773 | info->control.rates[0].idx = rs_sta->last_txrate_idx - |
774 | IWL_FIRST_OFDM_RATE; | ||
796 | else | 775 | else |
797 | sel->rate_idx = rs_sta->last_txrate_idx; | 776 | info->control.rates[0].idx = rs_sta->last_txrate_idx; |
798 | 777 | ||
799 | IWL_DEBUG_RATE("leave: %d\n", index); | 778 | IWL_DEBUG_RATE("leave: %d\n", index); |
800 | } | 779 | } |