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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.c88
1 files changed, 40 insertions, 48 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index 80d31ae51e7..f018ce464d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -100,14 +100,6 @@ static struct iwl3945_tpt_entry iwl3945_tpt_table_a[] = {
{-89, IWL_RATE_6M_INDEX}
};
-static struct iwl3945_tpt_entry iwl3945_tpt_table_b[] = {
- {-86, IWL_RATE_11M_INDEX},
- {-88, IWL_RATE_5M_INDEX},
- {-90, IWL_RATE_2M_INDEX},
- {-92, IWL_RATE_1M_INDEX}
-
-};
-
static struct iwl3945_tpt_entry iwl3945_tpt_table_g[] = {
{-60, IWL_RATE_54M_INDEX},
{-64, IWL_RATE_48M_INDEX},
@@ -129,7 +121,7 @@ static struct iwl3945_tpt_entry iwl3945_tpt_table_g[] = {
#define IWL_RATE_MIN_SUCCESS_TH 8
#define IWL_RATE_DECREASE_TH 1920
-static u8 iwl3945_get_rate_index_by_rssi(s32 rssi, u8 mode)
+static u8 iwl3945_get_rate_index_by_rssi(s32 rssi, enum ieee80211_band band)
{
u32 index = 0;
u32 table_size = 0;
@@ -138,21 +130,19 @@ static u8 iwl3945_get_rate_index_by_rssi(s32 rssi, u8 mode)
if ((rssi < IWL_MIN_RSSI_VAL) || (rssi > IWL_MAX_RSSI_VAL))
rssi = IWL_MIN_RSSI_VAL;
- switch (mode) {
- case MODE_IEEE80211G:
+ switch (band) {
+ case IEEE80211_BAND_2GHZ:
tpt_table = iwl3945_tpt_table_g;
table_size = ARRAY_SIZE(iwl3945_tpt_table_g);
break;
- case MODE_IEEE80211A:
+ case IEEE80211_BAND_5GHZ:
tpt_table = iwl3945_tpt_table_a;
table_size = ARRAY_SIZE(iwl3945_tpt_table_a);
break;
default:
- case MODE_IEEE80211B:
- tpt_table = iwl3945_tpt_table_b;
- table_size = ARRAY_SIZE(iwl3945_tpt_table_b);
+ BUG();
break;
}
@@ -340,17 +330,17 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
* after assoc.. */
for (i = IWL_RATE_COUNT - 1; i >= 0; i--) {
- if (sta->supp_rates & (1 << i)) {
- sta->txrate = i;
+ if (sta->supp_rates[local->hw.conf.channel->band] & (1 << i)) {
+ sta->txrate_idx = i;
break;
}
}
- sta->last_txrate = sta->txrate;
+ sta->last_txrate_idx = sta->txrate_idx;
- /* For MODE_IEEE80211A mode it start at IWL_FIRST_OFDM_RATE */
- if (local->hw.conf.phymode == MODE_IEEE80211A)
- sta->last_txrate += IWL_FIRST_OFDM_RATE;
+ /* For 5 GHz band it start at IWL_FIRST_OFDM_RATE */
+ if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
+ sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
IWL_DEBUG_RATE("leave\n");
}
@@ -429,17 +419,19 @@ static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate)
{
int next_rate = iwl3945_get_prev_ieee_rate(rate);
- switch (priv->phymode) {
- case MODE_IEEE80211A:
+ 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;
}
@@ -465,15 +457,17 @@ static void rs_tx_status(void *priv_rate,
struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate;
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct iwl3945_rs_sta *rs_sta;
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
IWL_DEBUG_RATE("enter\n");
retries = tx_resp->retry_count;
- first_index = tx_resp->control.tx_rate;
+ first_index = &sband->bitrates[0] - tx_resp->control.tx_rate;
if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
- IWL_DEBUG_RATE("leave: Rate out of bounds: %0x for %d\n",
- tx_resp->control.tx_rate, first_index);
+ IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index);
return;
}
@@ -561,14 +555,14 @@ static void rs_tx_status(void *priv_rate,
}
static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
- u8 index, u16 rate_mask, int phymode)
+ u8 index, u16 rate_mask, enum ieee80211_band band)
{
u8 high = IWL_RATE_INVALID;
u8 low = IWL_RATE_INVALID;
/* 802.11A walks to the next literal adjacent rate in
* the rate table */
- if (unlikely(phymode == MODE_IEEE80211A)) {
+ if (unlikely(band == IEEE80211_BAND_5GHZ)) {
int i;
u32 mask;
@@ -639,7 +633,8 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
*
*/
static void rs_get_rate(void *priv_rate, struct net_device *dev,
- struct ieee80211_hw_mode *mode, struct sk_buff *skb,
+ struct ieee80211_supported_band *band,
+ struct sk_buff *skb,
struct rate_selection *sel)
{
u8 low = IWL_RATE_INVALID;
@@ -672,16 +667,16 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
is_multicast_ether_addr(hdr->addr1) ||
!sta || !sta->rate_ctrl_priv) {
IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
- sel->rate = rate_lowest(local, local->oper_hw_mode, sta);
+ sel->rate = rate_lowest(local, band, sta);
if (sta)
sta_info_put(sta);
return;
}
- rate_mask = sta->supp_rates;
- index = min(sta->last_txrate & 0xffff, IWL_RATE_COUNT - 1);
+ rate_mask = sta->supp_rates[band->band];
+ index = min(sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1);
- if (priv->phymode == (u8) MODE_IEEE80211A)
+ if (priv->band == IEEE80211_BAND_5GHZ)
rate_mask = rate_mask << IWL_FIRST_OFDM_RATE;
rs_sta = (void *)sta->rate_ctrl_priv;
@@ -732,7 +727,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
current_tpt = window->average_tpt;
high_low = iwl3945_get_adjacent_rate(rs_sta, index, rate_mask,
- local->hw.conf.phymode);
+ band->band);
low = high_low & 0xff;
high = (high_low >> 8) & 0xff;
@@ -810,11 +805,11 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
out:
- sta->last_txrate = index;
- if (priv->phymode == (u8) MODE_IEEE80211A)
- sta->txrate = sta->last_txrate - IWL_FIRST_OFDM_RATE;
+ sta->last_txrate_idx = index;
+ if (priv->band == IEEE80211_BAND_5GHZ)
+ sta->txrate_idx = sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
else
- sta->txrate = sta->last_txrate;
+ sta->txrate_idx = sta->last_txrate_idx;
sta_info_put(sta);
@@ -945,8 +940,9 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
spin_lock_irqsave(&rs_sta->lock, flags);
rs_sta->tgg = 0;
- switch (priv->phymode) {
- case MODE_IEEE80211G:
+ switch (priv->band) {
+ case IEEE80211_BAND_2GHZ:
+ /* TODO: this always does G, not a regression */
if (priv->active_rxon.flags & RXON_FLG_TGG_PROTECT_MSK) {
rs_sta->tgg = 1;
rs_sta->expected_tpt = iwl3945_expected_tpt_g_prot;
@@ -954,14 +950,11 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
rs_sta->expected_tpt = iwl3945_expected_tpt_g;
break;
- case MODE_IEEE80211A:
+ case IEEE80211_BAND_5GHZ:
rs_sta->expected_tpt = iwl3945_expected_tpt_a;
break;
-
- default:
- IWL_WARNING("Invalid phymode. Defaulting to 802.11b\n");
- case MODE_IEEE80211B:
- rs_sta->expected_tpt = iwl3945_expected_tpt_b;
+ case IEEE80211_NUM_BANDS:
+ BUG();
break;
}
@@ -974,8 +967,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
IWL_DEBUG(IWL_DL_INFO | IWL_DL_RATE, "Network RSSI: %d\n", rssi);
- rs_sta->start_rate =
- iwl3945_get_rate_index_by_rssi(rssi, priv->phymode);
+ rs_sta->start_rate = iwl3945_get_rate_index_by_rssi(rssi, priv->band);
IWL_DEBUG_RATE("leave: rssi %d assign rate index: "
"%d (plcp 0x%x)\n", rssi, rs_sta->start_rate,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-20 03:04:57 +0000