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path: root/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-rs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c57
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 c25daec4f93..f440ed0fe54 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,
}
-/*
- * get ieee prev rate from rate scale table.
- * for A and B mode we need to overright prev
- * value
- */
-static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate)
-{
- int next_rate = iwl3945_get_prev_ieee_rate(rate);
-
- switch (priv->band) {
- case IEEE80211_BAND_5GHZ:
- if (rate == IWL_RATE_12M_INDEX)
- next_rate = IWL_RATE_9M_INDEX;
- else if (rate == IWL_RATE_6M_INDEX)
- next_rate = IWL_RATE_6M_INDEX;
- break;
-/* XXX cannot be invoked in current mac80211 so not a regression
- case MODE_IEEE80211B:
- if (rate == IWL_RATE_11M_INDEX_TABLE)
- next_rate = IWL_RATE_5M_INDEX_TABLE;
- break;
- */
- default:
- break;
- }
-
- return next_rate;
-}
/**
* rs_tx_status - Update rate control values based on Tx results
*
@@ -460,17 +432,21 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband
struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb)
{
- u8 retries, current_count;
+ u8 retries = 0, current_count;
int scale_rate_index, first_index, last_index;
unsigned long flags;
struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate;
struct iwl3945_rs_sta *rs_sta = priv_sta;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ int i;
IWL_DEBUG_RATE("enter\n");
- retries = info->status.retry_count;
- first_index = sband->bitrates[info->tx_rate_idx].hw_value;
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++)
+ retries += info->status.rates[i].count;
+ retries--;
+
+ first_index = sband->bitrates[info->status.rates[0].idx].hw_value;
if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index);
return;
@@ -502,7 +478,7 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband
last_index = scale_rate_index;
} else {
current_count = priv->retry_rate;
- last_index = rs_adjust_next_rate(priv,
+ last_index = iwl3945_rs_next_rate(priv,
scale_rate_index);
}
@@ -518,7 +494,7 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband
if (retries)
scale_rate_index =
- rs_adjust_next_rate(priv, scale_rate_index);
+ iwl3945_rs_next_rate(priv, scale_rate_index);
}
@@ -630,10 +606,11 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
* rate table and must reference the driver allocated rate table
*
*/
-static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
+ void *priv_sta, struct ieee80211_tx_rate_control *txrc)
{
+ struct ieee80211_supported_band *sband = txrc->sband;
+ struct sk_buff *skb = txrc->skb;
u8 low = IWL_RATE_INVALID;
u8 high = IWL_RATE_INVALID;
u16 high_low;
@@ -649,6 +626,7 @@ static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
u16 fc, rate_mask;
struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
IWL_DEBUG_RATE("enter\n");
@@ -659,7 +637,7 @@ static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
is_multicast_ether_addr(hdr->addr1) ||
!sta || !priv_sta) {
IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
- sel->rate_idx = rate_lowest_index(sband, sta);
+ info->control.rates[0].idx = rate_lowest_index(sband, sta);
return;
}
@@ -792,9 +770,10 @@ static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
rs_sta->last_txrate_idx = index;
if (sband->band == IEEE80211_BAND_5GHZ)
- sel->rate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
+ info->control.rates[0].idx = rs_sta->last_txrate_idx -
+ IWL_FIRST_OFDM_RATE;
else
- sel->rate_idx = rs_sta->last_txrate_idx;
+ info->control.rates[0].idx = rs_sta->last_txrate_idx;
IWL_DEBUG_RATE("leave: %d\n", index);
}