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Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-3945-rs.c')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-3945-rs.c468
1 files changed, 234 insertions, 234 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c
index 8faeaf2ddde..d97f24bfc45 100644
--- a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c
@@ -42,80 +42,80 @@
#define RS_NAME "iwl-3945-rs"
-static s32 iwl3945_expected_tpt_g[IWL_RATE_COUNT_3945] = {
+static s32 il3945_expected_tpt_g[IL_RATE_COUNT_3945] = {
7, 13, 35, 58, 0, 0, 76, 104, 130, 168, 191, 202
};
-static s32 iwl3945_expected_tpt_g_prot[IWL_RATE_COUNT_3945] = {
+static s32 il3945_expected_tpt_g_prot[IL_RATE_COUNT_3945] = {
7, 13, 35, 58, 0, 0, 0, 80, 93, 113, 123, 125
};
-static s32 iwl3945_expected_tpt_a[IWL_RATE_COUNT_3945] = {
+static s32 il3945_expected_tpt_a[IL_RATE_COUNT_3945] = {
0, 0, 0, 0, 40, 57, 72, 98, 121, 154, 177, 186
};
-static s32 iwl3945_expected_tpt_b[IWL_RATE_COUNT_3945] = {
+static s32 il3945_expected_tpt_b[IL_RATE_COUNT_3945] = {
7, 13, 35, 58, 0, 0, 0, 0, 0, 0, 0, 0
};
-struct iwl3945_tpt_entry {
+struct il3945_tpt_entry {
s8 min_rssi;
u8 index;
};
-static struct iwl3945_tpt_entry iwl3945_tpt_table_a[] = {
- {-60, IWL_RATE_54M_INDEX},
- {-64, IWL_RATE_48M_INDEX},
- {-72, IWL_RATE_36M_INDEX},
- {-80, IWL_RATE_24M_INDEX},
- {-84, IWL_RATE_18M_INDEX},
- {-85, IWL_RATE_12M_INDEX},
- {-87, IWL_RATE_9M_INDEX},
- {-89, IWL_RATE_6M_INDEX}
+static struct il3945_tpt_entry il3945_tpt_table_a[] = {
+ {-60, IL_RATE_54M_INDEX},
+ {-64, IL_RATE_48M_INDEX},
+ {-72, IL_RATE_36M_INDEX},
+ {-80, IL_RATE_24M_INDEX},
+ {-84, IL_RATE_18M_INDEX},
+ {-85, IL_RATE_12M_INDEX},
+ {-87, IL_RATE_9M_INDEX},
+ {-89, IL_RATE_6M_INDEX}
};
-static struct iwl3945_tpt_entry iwl3945_tpt_table_g[] = {
- {-60, IWL_RATE_54M_INDEX},
- {-64, IWL_RATE_48M_INDEX},
- {-68, IWL_RATE_36M_INDEX},
- {-80, IWL_RATE_24M_INDEX},
- {-84, IWL_RATE_18M_INDEX},
- {-85, IWL_RATE_12M_INDEX},
- {-86, IWL_RATE_11M_INDEX},
- {-88, IWL_RATE_5M_INDEX},
- {-90, IWL_RATE_2M_INDEX},
- {-92, IWL_RATE_1M_INDEX}
+static struct il3945_tpt_entry il3945_tpt_table_g[] = {
+ {-60, IL_RATE_54M_INDEX},
+ {-64, IL_RATE_48M_INDEX},
+ {-68, IL_RATE_36M_INDEX},
+ {-80, IL_RATE_24M_INDEX},
+ {-84, IL_RATE_18M_INDEX},
+ {-85, IL_RATE_12M_INDEX},
+ {-86, IL_RATE_11M_INDEX},
+ {-88, IL_RATE_5M_INDEX},
+ {-90, IL_RATE_2M_INDEX},
+ {-92, IL_RATE_1M_INDEX}
};
-#define IWL_RATE_MAX_WINDOW 62
-#define IWL_RATE_FLUSH (3*HZ)
-#define IWL_RATE_WIN_FLUSH (HZ/2)
+#define IL_RATE_MAX_WINDOW 62
+#define IL_RATE_FLUSH (3*HZ)
+#define IL_RATE_WIN_FLUSH (HZ/2)
#define IWL39_RATE_HIGH_TH 11520
-#define IWL_SUCCESS_UP_TH 8960
-#define IWL_SUCCESS_DOWN_TH 10880
-#define IWL_RATE_MIN_FAILURE_TH 6
-#define IWL_RATE_MIN_SUCCESS_TH 8
-#define IWL_RATE_DECREASE_TH 1920
-#define IWL_RATE_RETRY_TH 15
-
-static u8 iwl3945_get_rate_index_by_rssi(s32 rssi, enum ieee80211_band band)
+#define IL_SUCCESS_UP_TH 8960
+#define IL_SUCCESS_DOWN_TH 10880
+#define IL_RATE_MIN_FAILURE_TH 6
+#define IL_RATE_MIN_SUCCESS_TH 8
+#define IL_RATE_DECREASE_TH 1920
+#define IL_RATE_RETRY_TH 15
+
+static u8 il3945_get_rate_index_by_rssi(s32 rssi, enum ieee80211_band band)
{
u32 index = 0;
u32 table_size = 0;
- struct iwl3945_tpt_entry *tpt_table = NULL;
+ struct il3945_tpt_entry *tpt_table = NULL;
- if ((rssi < IWL_MIN_RSSI_VAL) || (rssi > IWL_MAX_RSSI_VAL))
- rssi = IWL_MIN_RSSI_VAL;
+ if ((rssi < IL_MIN_RSSI_VAL) || (rssi > IL_MAX_RSSI_VAL))
+ rssi = IL_MIN_RSSI_VAL;
switch (band) {
case IEEE80211_BAND_2GHZ:
- tpt_table = iwl3945_tpt_table_g;
- table_size = ARRAY_SIZE(iwl3945_tpt_table_g);
+ tpt_table = il3945_tpt_table_g;
+ table_size = ARRAY_SIZE(il3945_tpt_table_g);
break;
case IEEE80211_BAND_5GHZ:
- tpt_table = iwl3945_tpt_table_a;
- table_size = ARRAY_SIZE(iwl3945_tpt_table_a);
+ tpt_table = il3945_tpt_table_a;
+ table_size = ARRAY_SIZE(il3945_tpt_table_a);
break;
default:
@@ -131,46 +131,46 @@ static u8 iwl3945_get_rate_index_by_rssi(s32 rssi, enum ieee80211_band band)
return tpt_table[index].index;
}
-static void iwl3945_clear_window(struct iwl3945_rate_scale_data *window)
+static void il3945_clear_window(struct il3945_rate_scale_data *window)
{
window->data = 0;
window->success_counter = 0;
window->success_ratio = -1;
window->counter = 0;
- window->average_tpt = IWL_INVALID_VALUE;
+ window->average_tpt = IL_INVALID_VALUE;
window->stamp = 0;
}
/**
- * iwl3945_rate_scale_flush_windows - flush out the rate scale windows
+ * il3945_rate_scale_flush_windows - flush out the rate scale windows
*
* Returns the number of windows that have gathered data but were
* not flushed. If there were any that were not flushed, then
* reschedule the rate flushing routine.
*/
-static int iwl3945_rate_scale_flush_windows(struct iwl3945_rs_sta *rs_sta)
+static int il3945_rate_scale_flush_windows(struct il3945_rs_sta *rs_sta)
{
int unflushed = 0;
int i;
unsigned long flags;
- struct iwl_priv *priv __maybe_unused = rs_sta->priv;
+ struct il_priv *priv __maybe_unused = rs_sta->priv;
/*
* For each rate, if we have collected data on that rate
- * and it has been more than IWL_RATE_WIN_FLUSH
+ * and it has been more than IL_RATE_WIN_FLUSH
* since we flushed, clear out the gathered statistics
*/
- for (i = 0; i < IWL_RATE_COUNT_3945; i++) {
+ for (i = 0; i < IL_RATE_COUNT_3945; i++) {
if (!rs_sta->win[i].counter)
continue;
spin_lock_irqsave(&rs_sta->lock, flags);
if (time_after(jiffies, rs_sta->win[i].stamp +
- IWL_RATE_WIN_FLUSH)) {
- IWL_DEBUG_RATE(priv, "flushing %d samples of rate "
+ IL_RATE_WIN_FLUSH)) {
+ IL_DEBUG_RATE(priv, "flushing %d samples of rate "
"index %d\n",
rs_sta->win[i].counter, i);
- iwl3945_clear_window(&rs_sta->win[i]);
+ il3945_clear_window(&rs_sta->win[i]);
} else
unflushed++;
spin_unlock_irqrestore(&rs_sta->lock, flags);
@@ -179,21 +179,21 @@ static int iwl3945_rate_scale_flush_windows(struct iwl3945_rs_sta *rs_sta)
return unflushed;
}
-#define IWL_RATE_FLUSH_MAX 5000 /* msec */
-#define IWL_RATE_FLUSH_MIN 50 /* msec */
-#define IWL_AVERAGE_PACKETS 1500
+#define IL_RATE_FLUSH_MAX 5000 /* msec */
+#define IL_RATE_FLUSH_MIN 50 /* msec */
+#define IL_AVERAGE_PACKETS 1500
-static void iwl3945_bg_rate_scale_flush(unsigned long data)
+static void il3945_bg_rate_scale_flush(unsigned long data)
{
- struct iwl3945_rs_sta *rs_sta = (void *)data;
- struct iwl_priv *priv __maybe_unused = rs_sta->priv;
+ struct il3945_rs_sta *rs_sta = (void *)data;
+ struct il_priv *priv __maybe_unused = rs_sta->priv;
int unflushed = 0;
unsigned long flags;
u32 packet_count, duration, pps;
- IWL_DEBUG_RATE(priv, "enter\n");
+ IL_DEBUG_RATE(priv, "enter\n");
- unflushed = iwl3945_rate_scale_flush_windows(rs_sta);
+ unflushed = il3945_rate_scale_flush_windows(rs_sta);
spin_lock_irqsave(&rs_sta->lock, flags);
@@ -206,7 +206,7 @@ static void iwl3945_bg_rate_scale_flush(unsigned long data)
duration =
jiffies_to_msecs(jiffies - rs_sta->last_partial_flush);
- IWL_DEBUG_RATE(priv, "Tx'd %d packets in %dms\n",
+ IL_DEBUG_RATE(priv, "Tx'd %d packets in %dms\n",
packet_count, duration);
/* Determine packets per second */
@@ -216,17 +216,17 @@ static void iwl3945_bg_rate_scale_flush(unsigned long data)
pps = 0;
if (pps) {
- duration = (IWL_AVERAGE_PACKETS * 1000) / pps;
- if (duration < IWL_RATE_FLUSH_MIN)
- duration = IWL_RATE_FLUSH_MIN;
- else if (duration > IWL_RATE_FLUSH_MAX)
- duration = IWL_RATE_FLUSH_MAX;
+ duration = (IL_AVERAGE_PACKETS * 1000) / pps;
+ if (duration < IL_RATE_FLUSH_MIN)
+ duration = IL_RATE_FLUSH_MIN;
+ else if (duration > IL_RATE_FLUSH_MAX)
+ duration = IL_RATE_FLUSH_MAX;
} else
- duration = IWL_RATE_FLUSH_MAX;
+ duration = IL_RATE_FLUSH_MAX;
rs_sta->flush_time = msecs_to_jiffies(duration);
- IWL_DEBUG_RATE(priv, "new flush period: %d msec ave %d\n",
+ IL_DEBUG_RATE(priv, "new flush period: %d msec ave %d\n",
duration, packet_count);
mod_timer(&rs_sta->rate_scale_flush, jiffies +
@@ -234,7 +234,7 @@ static void iwl3945_bg_rate_scale_flush(unsigned long data)
rs_sta->last_partial_flush = jiffies;
} else {
- rs_sta->flush_time = IWL_RATE_FLUSH;
+ rs_sta->flush_time = IL_RATE_FLUSH;
rs_sta->flush_pending = 0;
}
/* If there weren't any unflushed entries, we don't schedule the timer
@@ -244,26 +244,26 @@ static void iwl3945_bg_rate_scale_flush(unsigned long data)
spin_unlock_irqrestore(&rs_sta->lock, flags);
- IWL_DEBUG_RATE(priv, "leave\n");
+ IL_DEBUG_RATE(priv, "leave\n");
}
/**
- * iwl3945_collect_tx_data - Update the success/failure sliding window
+ * il3945_collect_tx_data - Update the success/failure sliding window
*
* We keep a sliding window of the last 64 packets transmitted
* at this rate. window->data contains the bitmask of successful
* packets.
*/
-static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta,
- struct iwl3945_rate_scale_data *window,
+static void il3945_collect_tx_data(struct il3945_rs_sta *rs_sta,
+ struct il3945_rate_scale_data *window,
int success, int retries, int index)
{
unsigned long flags;
s32 fail_count;
- struct iwl_priv *priv __maybe_unused = rs_sta->priv;
+ struct il_priv *priv __maybe_unused = rs_sta->priv;
if (!retries) {
- IWL_DEBUG_RATE(priv, "leave: retries == 0 -- should be at least 1\n");
+ IL_DEBUG_RATE(priv, "leave: retries == 0 -- should be at least 1\n");
return;
}
@@ -278,13 +278,13 @@ static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta,
* we keep these bitmaps!).
* */
while (retries > 0) {
- if (window->counter >= IWL_RATE_MAX_WINDOW) {
+ if (window->counter >= IL_RATE_MAX_WINDOW) {
/* remove earliest */
- window->counter = IWL_RATE_MAX_WINDOW - 1;
+ window->counter = IL_RATE_MAX_WINDOW - 1;
- if (window->data & (1ULL << (IWL_RATE_MAX_WINDOW - 1))) {
- window->data &= ~(1ULL << (IWL_RATE_MAX_WINDOW - 1));
+ if (window->data & (1ULL << (IL_RATE_MAX_WINDOW - 1))) {
+ window->data &= ~(1ULL << (IL_RATE_MAX_WINDOW - 1));
window->success_counter--;
}
}
@@ -310,17 +310,17 @@ static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta,
window->success_ratio = 128 * (100 * window->success_counter)
/ window->counter;
else
- window->success_ratio = IWL_INVALID_VALUE;
+ window->success_ratio = IL_INVALID_VALUE;
fail_count = window->counter - window->success_counter;
/* Calculate average throughput, if we have enough history. */
- if ((fail_count >= IWL_RATE_MIN_FAILURE_TH) ||
- (window->success_counter >= IWL_RATE_MIN_SUCCESS_TH))
+ if ((fail_count >= IL_RATE_MIN_FAILURE_TH) ||
+ (window->success_counter >= IL_RATE_MIN_SUCCESS_TH))
window->average_tpt = ((window->success_ratio *
rs_sta->expected_tpt[index] + 64) / 128);
else
- window->average_tpt = IWL_INVALID_VALUE;
+ window->average_tpt = IL_INVALID_VALUE;
/* Tag this window as having been updated */
window->stamp = jiffies;
@@ -332,40 +332,40 @@ static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta,
/*
* Called after adding a new station to initialize rate scaling
*/
-void iwl3945_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_id)
+void il3945_rs_rate_init(struct il_priv *priv, struct ieee80211_sta *sta, u8 sta_id)
{
struct ieee80211_hw *hw = priv->hw;
struct ieee80211_conf *conf = &priv->hw->conf;
- struct iwl3945_sta_priv *psta;
- struct iwl3945_rs_sta *rs_sta;
+ struct il3945_sta_priv *psta;
+ struct il3945_rs_sta *rs_sta;
struct ieee80211_supported_band *sband;
int i;
- IWL_DEBUG_INFO(priv, "enter\n");
- if (sta_id == priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id)
+ IL_DEBUG_INFO(priv, "enter\n");
+ if (sta_id == priv->contexts[IL_RXON_CTX_BSS].bcast_sta_id)
goto out;
- psta = (struct iwl3945_sta_priv *) sta->drv_priv;
+ psta = (struct il3945_sta_priv *) sta->drv_priv;
rs_sta = &psta->rs_sta;
sband = hw->wiphy->bands[conf->channel->band];
rs_sta->priv = priv;
- rs_sta->start_rate = IWL_RATE_INVALID;
+ rs_sta->start_rate = IL_RATE_INVALID;
/* default to just 802.11b */
- rs_sta->expected_tpt = iwl3945_expected_tpt_b;
+ rs_sta->expected_tpt = il3945_expected_tpt_b;
rs_sta->last_partial_flush = jiffies;
rs_sta->last_flush = jiffies;
- rs_sta->flush_time = IWL_RATE_FLUSH;
+ rs_sta->flush_time = IL_RATE_FLUSH;
rs_sta->last_tx_packets = 0;
rs_sta->rate_scale_flush.data = (unsigned long)rs_sta;
- rs_sta->rate_scale_flush.function = iwl3945_bg_rate_scale_flush;
+ rs_sta->rate_scale_flush.function = il3945_bg_rate_scale_flush;
- for (i = 0; i < IWL_RATE_COUNT_3945; i++)
- iwl3945_clear_window(&rs_sta->win[i]);
+ for (i = 0; i < IL_RATE_COUNT_3945; i++)
+ il3945_clear_window(&rs_sta->win[i]);
/* TODO: what is a good starting rate for STA? About middle? Maybe not
* the lowest or the highest rate.. Could consider using RSSI from
@@ -380,56 +380,56 @@ void iwl3945_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 s
}
priv->_3945.sta_supp_rates = sta->supp_rates[sband->band];
- /* For 5 GHz band it start at IWL_FIRST_OFDM_RATE */
+ /* For 5 GHz band it start at IL_FIRST_OFDM_RATE */
if (sband->band == IEEE80211_BAND_5GHZ) {
- rs_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
+ rs_sta->last_txrate_idx += IL_FIRST_OFDM_RATE;
priv->_3945.sta_supp_rates = priv->_3945.sta_supp_rates <<
- IWL_FIRST_OFDM_RATE;
+ IL_FIRST_OFDM_RATE;
}
out:
- priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS;
+ priv->stations[sta_id].used &= ~IL_STA_UCODE_INPROGRESS;
- IWL_DEBUG_INFO(priv, "leave\n");
+ IL_DEBUG_INFO(priv, "leave\n");
}
-static void *iwl3945_rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *il3945_rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
return hw->priv;
}
/* rate scale requires free function to be implemented */
-static void iwl3945_rs_free(void *priv)
+static void il3945_rs_free(void *priv)
{
return;
}
-static void *iwl3945_rs_alloc_sta(void *iwl_priv, struct ieee80211_sta *sta, gfp_t gfp)
+static void *il3945_rs_alloc_sta(void *il_priv, struct ieee80211_sta *sta, gfp_t gfp)
{
- struct iwl3945_rs_sta *rs_sta;
- struct iwl3945_sta_priv *psta = (void *) sta->drv_priv;
- struct iwl_priv *priv __maybe_unused = iwl_priv;
+ struct il3945_rs_sta *rs_sta;
+ struct il3945_sta_priv *psta = (void *) sta->drv_priv;
+ struct il_priv *priv __maybe_unused = il_priv;
- IWL_DEBUG_RATE(priv, "enter\n");
+ IL_DEBUG_RATE(priv, "enter\n");
rs_sta = &psta->rs_sta;
spin_lock_init(&rs_sta->lock);
init_timer(&rs_sta->rate_scale_flush);
- IWL_DEBUG_RATE(priv, "leave\n");
+ IL_DEBUG_RATE(priv, "leave\n");
return rs_sta;
}
-static void iwl3945_rs_free_sta(void *iwl_priv, struct ieee80211_sta *sta,
+static void il3945_rs_free_sta(void *il_priv, struct ieee80211_sta *sta,
void *priv_sta)
{
- struct iwl3945_rs_sta *rs_sta = priv_sta;
+ struct il3945_rs_sta *rs_sta = priv_sta;
/*
- * Be careful not to use any members of iwl3945_rs_sta (like trying
- * to use iwl_priv to print out debugging) since it may not be fully
+ * Be careful not to use any members of il3945_rs_sta (like trying
+ * to use il_priv to print out debugging) since it may not be fully
* initialized at this point.
*/
del_timer_sync(&rs_sta->rate_scale_flush);
@@ -437,43 +437,43 @@ static void iwl3945_rs_free_sta(void *iwl_priv, struct ieee80211_sta *sta,
/**
- * iwl3945_rs_tx_status - Update rate control values based on Tx results
+ * il3945_rs_tx_status - Update rate control values based on Tx results
*
- * NOTE: Uses iwl_priv->retry_rate for the # of retries attempted by
+ * NOTE: Uses il_priv->retry_rate for the # of retries attempted by
* the hardware for each rate.
*/
-static void iwl3945_rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband,
+static void il3945_rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb)
{
s8 retries = 0, current_count;
int scale_rate_index, first_index, last_index;
unsigned long flags;
- struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
- struct iwl3945_rs_sta *rs_sta = priv_sta;
+ struct il_priv *priv = (struct il_priv *)priv_rate;
+ struct il3945_rs_sta *rs_sta = priv_sta;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- IWL_DEBUG_RATE(priv, "enter\n");
+ IL_DEBUG_RATE(priv, "enter\n");
retries = info->status.rates[0].count;
/* Sanity Check for retries */
- if (retries > IWL_RATE_RETRY_TH)
- retries = IWL_RATE_RETRY_TH;
+ if (retries > IL_RATE_RETRY_TH)
+ retries = IL_RATE_RETRY_TH;
first_index = sband->bitrates[info->status.rates[0].idx].hw_value;
- if ((first_index < 0) || (first_index >= IWL_RATE_COUNT_3945)) {
- IWL_DEBUG_RATE(priv, "leave: Rate out of bounds: %d\n", first_index);
+ if ((first_index < 0) || (first_index >= IL_RATE_COUNT_3945)) {
+ IL_DEBUG_RATE(priv, "leave: Rate out of bounds: %d\n", first_index);
return;
}
if (!priv_sta) {
- IWL_DEBUG_RATE(priv, "leave: No STA priv data to update!\n");
+ IL_DEBUG_RATE(priv, "leave: No STA priv data to update!\n");
return;
}
/* Treat uninitialized rate scaling data same as non-existing. */
if (!rs_sta->priv) {
- IWL_DEBUG_RATE(priv, "leave: STA priv data uninitialized!\n");
+ IL_DEBUG_RATE(priv, "leave: STA priv data uninitialized!\n");
return;
}
@@ -499,16 +499,16 @@ static void iwl3945_rs_tx_status(void *priv_rate, struct ieee80211_supported_ban
last_index = scale_rate_index;
} else {
current_count = priv->retry_rate;
- last_index = iwl3945_rs_next_rate(priv,
+ last_index = il3945_rs_next_rate(priv,
scale_rate_index);
}
/* Update this rate accounting for as many retries
* as was used for it (per current_count) */
- iwl3945_collect_tx_data(rs_sta,
+ il3945_collect_tx_data(rs_sta,
&rs_sta->win[scale_rate_index],
0, current_count, scale_rate_index);
- IWL_DEBUG_RATE(priv, "Update rate %d for %d retries.\n",
+ IL_DEBUG_RATE(priv, "Update rate %d for %d retries.\n",
scale_rate_index, current_count);
retries -= current_count;
@@ -518,11 +518,11 @@ static void iwl3945_rs_tx_status(void *priv_rate, struct ieee80211_supported_ban
/* Update the last index window with success/failure based on ACK */
- IWL_DEBUG_RATE(priv, "Update rate %d with %s.\n",
+ IL_DEBUG_RATE(priv, "Update rate %d with %s.\n",
last_index,
(info->flags & IEEE80211_TX_STAT_ACK) ?
"success" : "failure");
- iwl3945_collect_tx_data(rs_sta,
+ il3945_collect_tx_data(rs_sta,
&rs_sta->win[last_index],
info->flags & IEEE80211_TX_STAT_ACK, 1, last_index);
@@ -543,15 +543,15 @@ static void iwl3945_rs_tx_status(void *priv_rate, struct ieee80211_supported_ban
spin_unlock_irqrestore(&rs_sta->lock, flags);
- IWL_DEBUG_RATE(priv, "leave\n");
+ IL_DEBUG_RATE(priv, "leave\n");
}
-static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
+static u16 il3945_get_adjacent_rate(struct il3945_rs_sta *rs_sta,
u8 index, u16 rate_mask, enum ieee80211_band band)
{
- u8 high = IWL_RATE_INVALID;
- u8 low = IWL_RATE_INVALID;
- struct iwl_priv *priv __maybe_unused = rs_sta->priv;
+ u8 high = IL_RATE_INVALID;
+ u8 low = IL_RATE_INVALID;
+ struct il_priv *priv __maybe_unused = rs_sta->priv;
/* 802.11A walks to the next literal adjacent rate in
* the rate table */
@@ -570,7 +570,7 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
/* Find the next rate that is in the rate mask */
i = index + 1;
- for (mask = (1 << i); i < IWL_RATE_COUNT_3945;
+ for (mask = (1 << i); i < IL_RATE_COUNT_3945;
i++, mask <<= 1) {
if (rate_mask & mask) {
high = i;
@@ -582,36 +582,36 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
}
low = index;
- while (low != IWL_RATE_INVALID) {
+ while (low != IL_RATE_INVALID) {
if (rs_sta->tgg)
- low = iwl3945_rates[low].prev_rs_tgg;
+ low = il3945_rates[low].prev_rs_tgg;
else
- low = iwl3945_rates[low].prev_rs;
- if (low == IWL_RATE_INVALID)
+ low = il3945_rates[low].prev_rs;
+ if (low == IL_RATE_INVALID)
break;
if (rate_mask & (1 << low))
break;
- IWL_DEBUG_RATE(priv, "Skipping masked lower rate: %d\n", low);
+ IL_DEBUG_RATE(priv, "Skipping masked lower rate: %d\n", low);
}
high = index;
- while (high != IWL_RATE_INVALID) {
+ while (high != IL_RATE_INVALID) {
if (rs_sta->tgg)
- high = iwl3945_rates[high].next_rs_tgg;
+ high = il3945_rates[high].next_rs_tgg;
else
- high = iwl3945_rates[high].next_rs;
- if (high == IWL_RATE_INVALID)
+ high = il3945_rates[high].next_rs;
+ if (high == IL_RATE_INVALID)
break;
if (rate_mask & (1 << high))
break;
- IWL_DEBUG_RATE(priv, "Skipping masked higher rate: %d\n", high);
+ IL_DEBUG_RATE(priv, "Skipping masked higher rate: %d\n", high);
}
return (high << 8) | low;
}
/**
- * iwl3945_rs_get_rate - find the rate for the requested packet
+ * il3945_rs_get_rate - find the rate for the requested packet
*
* Returns the ieee80211_rate structure allocated by the driver.
*
@@ -626,33 +626,33 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
* rate table and must reference the driver allocated rate table
*
*/
-static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
+static void il3945_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;
+ u8 low = IL_RATE_INVALID;
+ u8 high = IL_RATE_INVALID;
u16 high_low;
int index;
- struct iwl3945_rs_sta *rs_sta = priv_sta;
- struct iwl3945_rate_scale_data *window = NULL;
- int current_tpt = IWL_INVALID_VALUE;
- int low_tpt = IWL_INVALID_VALUE;
- int high_tpt = IWL_INVALID_VALUE;
+ struct il3945_rs_sta *rs_sta = priv_sta;
+ struct il3945_rate_scale_data *window = NULL;
+ int current_tpt = IL_INVALID_VALUE;
+ int low_tpt = IL_INVALID_VALUE;
+ int high_tpt = IL_INVALID_VALUE;
u32 fail_count;
s8 scale_action = 0;
unsigned long flags;
u16 rate_mask;
s8 max_rate_idx = -1;
- struct iwl_priv *priv __maybe_unused = (struct iwl_priv *)priv_r;
+ struct il_priv *priv __maybe_unused = (struct il_priv *)priv_r;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- IWL_DEBUG_RATE(priv, "enter\n");
+ IL_DEBUG_RATE(priv, "enter\n");
/* Treat uninitialized rate scaling data same as non-existing. */
if (rs_sta && !rs_sta->priv) {
- IWL_DEBUG_RATE(priv, "Rate scaling information not initialized yet.\n");
+ IL_DEBUG_RATE(priv, "Rate scaling information not initialized yet.\n");
priv_sta = NULL;
}
@@ -664,25 +664,25 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
/* 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 += IL_FIRST_OFDM_RATE;
+ if ((max_rate_idx < 0) || (max_rate_idx >= IL_RATE_COUNT))
max_rate_idx = -1;
- index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT_3945 - 1);
+ index = min(rs_sta->last_txrate_idx & 0xffff, IL_RATE_COUNT_3945 - 1);
if (sband->band == IEEE80211_BAND_5GHZ)
- rate_mask = rate_mask << IWL_FIRST_OFDM_RATE;
+ rate_mask = rate_mask << IL_FIRST_OFDM_RATE;
spin_lock_irqsave(&rs_sta->lock, flags);
/* for recent assoc, choose best rate regarding
* to rssi value
*/
- if (rs_sta->start_rate != IWL_RATE_INVALID) {
+ if (rs_sta->start_rate != IL_RATE_INVALID) {
if (rs_sta->start_rate < index &&
(rate_mask & (1 << rs_sta->start_rate)))
index = rs_sta->start_rate;
- rs_sta->start_rate = IWL_RATE_INVALID;
+ rs_sta->start_rate = IL_RATE_INVALID;
}
/* force user max rate if set by user */
@@ -695,11 +695,11 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
fail_count = window->counter - window->success_counter;
- if (((fail_count < IWL_RATE_MIN_FAILURE_TH) &&
- (window->success_counter < IWL_RATE_MIN_SUCCESS_TH))) {
+ if (((fail_count < IL_RATE_MIN_FAILURE_TH) &&
+ (window->success_counter < IL_RATE_MIN_SUCCESS_TH))) {
spin_unlock_irqrestore(&rs_sta->lock, flags);
- IWL_DEBUG_RATE(priv, "Invalid average_tpt on rate %d: "
+ IL_DEBUG_RATE(priv, "Invalid average_tpt on rate %d: "
"counter: %d, success_counter: %d, "
"expected_tpt is %sNULL\n",
index,
@@ -708,27 +708,27 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
rs_sta->expected_tpt ? "not " : "");
/* Can't calculate this yet; not enough history */
- window->average_tpt = IWL_INVALID_VALUE;
+ window->average_tpt = IL_INVALID_VALUE;
goto out;
}
current_tpt = window->average_tpt;
- high_low = iwl3945_get_adjacent_rate(rs_sta, index, rate_mask,
+ high_low = il3945_get_adjacent_rate(rs_sta, index, rate_mask,
sband->band);
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;
+ high = IL_RATE_INVALID;
/* Collect Measured throughputs of adjacent rates */
- if (low != IWL_RATE_INVALID)
+ if (low != IL_RATE_INVALID)
low_tpt = rs_sta->win[low].average_tpt;
- if (high != IWL_RATE_INVALID)
+ if (high != IL_RATE_INVALID)
high_tpt = rs_sta->win[high].average_tpt;
spin_unlock_irqrestore(&rs_sta->lock, flags);
@@ -736,51 +736,51 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
scale_action = 0;
/* Low success ratio , need to drop the rate */
- if ((window->success_ratio < IWL_RATE_DECREASE_TH) || !current_tpt) {
- IWL_DEBUG_RATE(priv, "decrease rate because of low success_ratio\n");
+ if ((window->success_ratio < IL_RATE_DECREASE_TH) || !current_tpt) {
+ IL_DEBUG_RATE(priv, "decrease rate because of low success_ratio\n");
scale_action = -1;
/* No throughput measured yet for adjacent rates,
* try increase */
- } else if ((low_tpt == IWL_INVALID_VALUE) &&
- (high_tpt == IWL_INVALID_VALUE)) {
+ } else if ((low_tpt == IL_INVALID_VALUE) &&
+ (high_tpt == IL_INVALID_VALUE)) {
- if (high != IWL_RATE_INVALID && window->success_ratio >= IWL_RATE_INCREASE_TH)
+ if (high != IL_RATE_INVALID && window->success_ratio >= IL_RATE_INCREASE_TH)
scale_action = 1;
- else if (low != IWL_RATE_INVALID)
+ else if (low != IL_RATE_INVALID)
scale_action = 0;
/* Both adjacent throughputs are measured, but neither one has
* better throughput; we're using the best rate, don't change
* it! */
- } else if ((low_tpt != IWL_INVALID_VALUE) &&
- (high_tpt != IWL_INVALID_VALUE) &&
+ } else if ((low_tpt != IL_INVALID_VALUE) &&
+ (high_tpt != IL_INVALID_VALUE) &&
(low_tpt < current_tpt) && (high_tpt < current_tpt)) {
- IWL_DEBUG_RATE(priv, "No action -- low [%d] & high [%d] < "
+ IL_DEBUG_RATE(priv, "No action -- low [%d] & high [%d] < "
"current_tpt [%d]\n",
low_tpt, high_tpt, current_tpt);
scale_action = 0;
/* At least one of the rates has better throughput */
} else {
- if (high_tpt != IWL_INVALID_VALUE) {
+ if (high_tpt != IL_INVALID_VALUE) {
/* High rate has better throughput, Increase
* rate */
if (high_tpt > current_tpt &&
- window->success_ratio >= IWL_RATE_INCREASE_TH)
+ window->success_ratio >= IL_RATE_INCREASE_TH)
scale_action = 1;
else {
- IWL_DEBUG_RATE(priv,
+ IL_DEBUG_RATE(priv,
"decrease rate because of high tpt\n");
scale_action = 0;
}
- } else if (low_tpt != IWL_INVALID_VALUE) {
+ } else if (low_tpt != IL_INVALID_VALUE) {
if (low_tpt > current_tpt) {
- IWL_DEBUG_RATE(priv,
+ IL_DEBUG_RATE(priv,
"decrease rate because of low tpt\n");
scale_action = -1;
- } else if (window->success_ratio >= IWL_RATE_INCREASE_TH) {
+ } else if (window->success_ratio >= IL_RATE_INCREASE_TH) {
/* Lower rate has better
* throughput,decrease rate */
scale_action = 1;
@@ -790,8 +790,8 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
/* Sanity check; asked for decrease, but success rate or throughput
* has been good at old rate. Don't change it. */
- if ((scale_action == -1) && (low != IWL_RATE_INVALID) &&
- ((window->success_ratio > IWL_RATE_HIGH_TH) ||
+ if ((scale_action == -1) && (low != IL_RATE_INVALID) &&
+ ((window->success_ratio > IL_RATE_HIGH_TH) ||
(current_tpt > (100 * rs_sta->expected_tpt[low]))))
scale_action = 0;
@@ -799,13 +799,13 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
case -1:
/* Decrese rate */
- if (low != IWL_RATE_INVALID)
+ if (low != IL_RATE_INVALID)
index = low;
break;
case 1:
/* Increase rate */
- if (high != IWL_RATE_INVALID)
+ if (high != IL_RATE_INVALID)
index = high;
break;
@@ -816,32 +816,32 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
break;
}
- IWL_DEBUG_RATE(priv, "Selected %d (action %d) - low %d high %d\n",
+ IL_DEBUG_RATE(priv, "Selected %d (action %d) - low %d high %d\n",
index, scale_action, low, high);
out:
if (sband->band == IEEE80211_BAND_5GHZ) {
- if (WARN_ON_ONCE(index < IWL_FIRST_OFDM_RATE))
- index = IWL_FIRST_OFDM_RATE;
+ if (WARN_ON_ONCE(index < IL_FIRST_OFDM_RATE))
+ index = IL_FIRST_OFDM_RATE;
rs_sta->last_txrate_idx = index;
- info->control.rates[0].idx = index - IWL_FIRST_OFDM_RATE;
+ info->control.rates[0].idx = index - IL_FIRST_OFDM_RATE;
} else {
rs_sta->last_txrate_idx = index;
info->control.rates[0].idx = rs_sta->last_txrate_idx;
}
- IWL_DEBUG_RATE(priv, "leave: %d\n", index);
+ IL_DEBUG_RATE(priv, "leave: %d\n", index);
}
#ifdef CONFIG_MAC80211_DEBUGFS
-static int iwl3945_open_file_generic(struct inode *inode, struct file *file)
+static int il3945_open_file_generic(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
-static ssize_t iwl3945_sta_dbgfs_stats_table_read(struct file *file,
+static ssize_t il3945_sta_dbgfs_stats_table_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -849,7 +849,7 @@ static ssize_t iwl3945_sta_dbgfs_stats_table_read(struct file *file,
int desc = 0;
int j;
ssize_t ret;
- struct iwl3945_rs_sta *lq_sta = file->private_data;
+ struct il3945_rs_sta *lq_sta = file->private_data;
buff = kmalloc(1024, GFP_KERNEL);
if (!buff)
@@ -860,7 +860,7 @@ static ssize_t iwl3945_sta_dbgfs_stats_table_read(struct file *file,
lq_sta->tx_packets,
lq_sta->last_txrate_idx,
lq_sta->start_rate, jiffies_to_msecs(lq_sta->flush_time));
- for (j = 0; j < IWL_RATE_COUNT_3945; j++) {
+ for (j = 0; j < IL_RATE_COUNT_3945; j++) {
desc += sprintf(buff+desc,
"counter=%d success=%d %%=%d\n",
lq_sta->win[j].counter,
@@ -873,15 +873,15 @@ static ssize_t iwl3945_sta_dbgfs_stats_table_read(struct file *file,
}
static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
- .read = iwl3945_sta_dbgfs_stats_table_read,
- .open = iwl3945_open_file_generic,
+ .read = il3945_sta_dbgfs_stats_table_read,
+ .open = il3945_open_file_generic,
.llseek = default_llseek,
};
-static void iwl3945_add_debugfs(void *priv, void *priv_sta,
+static void il3945_add_debugfs(void *priv, void *priv_sta,
struct dentry *dir)
{
- struct iwl3945_rs_sta *lq_sta = priv_sta;
+ struct il3945_rs_sta *lq_sta = priv_sta;
lq_sta->rs_sta_dbgfs_stats_table_file =
debugfs_create_file("rate_stats_table", 0600, dir,
@@ -889,9 +889,9 @@ static void iwl3945_add_debugfs(void *priv, void *priv_sta,
}
-static void iwl3945_remove_debugfs(void *priv, void *priv_sta)
+static void il3945_remove_debugfs(void *priv, void *priv_sta)
{
- struct iwl3945_rs_sta *lq_sta = priv_sta;
+ struct il3945_rs_sta *lq_sta = priv_sta;
debugfs_remove(lq_sta->rs_sta_dbgfs_stats_table_file);
}
#endif
@@ -901,7 +901,7 @@ static void iwl3945_remove_debugfs(void *priv, void *priv_sta)
* the station is added. Since mac80211 calls this function before a
* station is added we ignore it.
*/
-static void iwl3945_rs_rate_init_stub(void *priv_r,
+static void il3945_rs_rate_init_stub(void *priv_r,
struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta)
{
@@ -910,36 +910,36 @@ static void iwl3945_rs_rate_init_stub(void *priv_r,
static struct rate_control_ops rs_ops = {
.module = NULL,
.name = RS_NAME,
- .tx_status = iwl3945_rs_tx_status,
- .get_rate = iwl3945_rs_get_rate,
- .rate_init = iwl3945_rs_rate_init_stub,
- .alloc = iwl3945_rs_alloc,
- .free = iwl3945_rs_free,
- .alloc_sta = iwl3945_rs_alloc_sta,
- .free_sta = iwl3945_rs_free_sta,
+ .tx_status = il3945_rs_tx_status,
+ .get_rate = il3945_rs_get_rate,
+ .rate_init = il3945_rs_rate_init_stub,
+ .alloc = il3945_rs_alloc,
+ .free = il3945_rs_free,
+ .alloc_sta = il3945_rs_alloc_sta,
+ .free_sta = il3945_rs_free_sta,
#ifdef CONFIG_MAC80211_DEBUGFS
- .add_sta_debugfs = iwl3945_add_debugfs,
- .remove_sta_debugfs = iwl3945_remove_debugfs,
+ .add_sta_debugfs = il3945_add_debugfs,
+ .remove_sta_debugfs = il3945_remove_debugfs,
#endif
};
-void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
+void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
{
- struct iwl_priv *priv = hw->priv;
+ struct il_priv *priv = hw->priv;
s32 rssi = 0;
unsigned long flags;
- struct iwl3945_rs_sta *rs_sta;
+ struct il3945_rs_sta *rs_sta;
struct ieee80211_sta *sta;
- struct iwl3945_sta_priv *psta;
+ struct il3945_sta_priv *psta;
- IWL_DEBUG_RATE(priv, "enter\n");
+ IL_DEBUG_RATE(priv, "enter\n");
rcu_read_lock();
- sta = ieee80211_find_sta(priv->contexts[IWL_RXON_CTX_BSS].vif,
+ sta = ieee80211_find_sta(priv->contexts[IL_RXON_CTX_BSS].vif,
priv->stations[sta_id].sta.sta.addr);
if (!sta) {
- IWL_DEBUG_RATE(priv, "Unable to find station to initialize rate scaling.\n");
+ IL_DEBUG_RATE(priv, "Unable to find station to initialize rate scaling.\n");
rcu_read_unlock();
return;
}
@@ -953,16 +953,16 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
switch (priv->band) {
case IEEE80211_BAND_2GHZ:
/* TODO: this always does G, not a regression */
- if (priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+ if (priv->contexts[IL_RXON_CTX_BSS].active.flags &
RXON_FLG_TGG_PROTECT_MSK) {
rs_sta->tgg = 1;
- rs_sta->expected_tpt = iwl3945_expected_tpt_g_prot;
+ rs_sta->expected_tpt = il3945_expected_tpt_g_prot;
} else
- rs_sta->expected_tpt = iwl3945_expected_tpt_g;
+ rs_sta->expected_tpt = il3945_expected_tpt_g;
break;
case IEEE80211_BAND_5GHZ:
- rs_sta->expected_tpt = iwl3945_expected_tpt_a;
+ rs_sta->expected_tpt = il3945_expected_tpt_a;
break;
case IEEE80211_NUM_BANDS:
BUG();
@@ -973,24 +973,24 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
rssi = priv->_3945.last_rx_rssi;
if (rssi == 0)
- rssi = IWL_MIN_RSSI_VAL;
+ rssi = IL_MIN_RSSI_VAL;
- IWL_DEBUG_RATE(priv, "Network RSSI: %d\n", rssi);
+ IL_DEBUG_RATE(priv, "Network RSSI: %d\n", rssi);
- rs_sta->start_rate = iwl3945_get_rate_index_by_rssi(rssi, priv->band);
+ rs_sta->start_rate = il3945_get_rate_index_by_rssi(rssi, priv->band);
- IWL_DEBUG_RATE(priv, "leave: rssi %d assign rate index: "
+ IL_DEBUG_RATE(priv, "leave: rssi %d assign rate index: "
"%d (plcp 0x%x)\n", rssi, rs_sta->start_rate,
- iwl3945_rates[rs_sta->start_rate].plcp);
+ il3945_rates[rs_sta->start_rate].plcp);
rcu_read_unlock();
}
-int iwl3945_rate_control_register(void)
+int il3945_rate_control_register(void)
{
return ieee80211_rate_control_register(&rs_ops);
}
-void iwl3945_rate_control_unregister(void)
+void il3945_rate_control_unregister(void)
{
ieee80211_rate_control_unregister(&rs_ops);
}