mirror of https://gitee.com/openkylin/linux.git
iwlwifi: 3954 renames iwl3945_rate_scale_priv to iwl3945_rs_sta
This patch renames iwl3945_rate_scale_priv to iwl3945_rs_sta as it better represents the purpose of this variable. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tomas Winkler
David S. Miller
parent
c33104f0a7
commit
fa254a6807
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@ -52,7 +52,7 @@ struct iwl3945_rate_scale_data {
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unsigned long stamp;
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};
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struct iwl3945_rate_scale_priv {
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struct iwl3945_rs_sta {
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spinlock_t lock;
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s32 *expected_tpt;
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unsigned long last_partial_flush;
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@ -181,7 +181,7 @@ static void iwl3945_clear_window(struct iwl3945_rate_scale_data *window)
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* not flushed. If there were any that were not flushed, then
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* reschedule the rate flushing routine.
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*/
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static int iwl3945_rate_scale_flush_windows(struct iwl3945_rate_scale_priv *rs_priv)
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static int iwl3945_rate_scale_flush_windows(struct iwl3945_rs_sta *rs_sta)
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{
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int unflushed = 0;
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int i;
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@ -193,19 +193,19 @@ static int iwl3945_rate_scale_flush_windows(struct iwl3945_rate_scale_priv *rs_p
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* since we flushed, clear out the gathered statistics
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*/
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for (i = 0; i < IWL_RATE_COUNT; i++) {
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if (!rs_priv->win[i].counter)
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if (!rs_sta->win[i].counter)
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continue;
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spin_lock_irqsave(&rs_priv->lock, flags);
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if (time_after(jiffies, rs_priv->win[i].stamp +
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spin_lock_irqsave(&rs_sta->lock, flags);
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if (time_after(jiffies, rs_sta->win[i].stamp +
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IWL_RATE_WIN_FLUSH)) {
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IWL_DEBUG_RATE("flushing %d samples of rate "
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"index %d\n",
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rs_priv->win[i].counter, i);
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iwl3945_clear_window(&rs_priv->win[i]);
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rs_sta->win[i].counter, i);
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iwl3945_clear_window(&rs_sta->win[i]);
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} else
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unflushed++;
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spin_unlock_irqrestore(&rs_priv->lock, flags);
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spin_unlock_irqrestore(&rs_sta->lock, flags);
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}
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return unflushed;
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@ -216,28 +216,28 @@ static int iwl3945_rate_scale_flush_windows(struct iwl3945_rate_scale_priv *rs_p
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static void iwl3945_bg_rate_scale_flush(unsigned long data)
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{
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struct iwl3945_rate_scale_priv *rs_priv = (void *)data;
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struct iwl3945_rs_sta *rs_sta = (void *)data;
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int unflushed = 0;
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unsigned long flags;
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u32 packet_count, duration, pps;
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IWL_DEBUG_RATE("enter\n");
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unflushed = iwl3945_rate_scale_flush_windows(rs_priv);
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unflushed = iwl3945_rate_scale_flush_windows(rs_sta);
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spin_lock_irqsave(&rs_priv->lock, flags);
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spin_lock_irqsave(&rs_sta->lock, flags);
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rs_priv->flush_pending = 0;
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rs_sta->flush_pending = 0;
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/* Number of packets Rx'd since last time this timer ran */
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packet_count = (rs_priv->tx_packets - rs_priv->last_tx_packets) + 1;
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packet_count = (rs_sta->tx_packets - rs_sta->last_tx_packets) + 1;
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rs_priv->last_tx_packets = rs_priv->tx_packets + 1;
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rs_sta->last_tx_packets = rs_sta->tx_packets + 1;
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if (unflushed) {
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duration =
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jiffies_to_msecs(jiffies - rs_priv->last_partial_flush);
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/* duration = jiffies_to_msecs(rs_priv->flush_time); */
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jiffies_to_msecs(jiffies - rs_sta->last_partial_flush);
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/* duration = jiffies_to_msecs(rs_sta->flush_time); */
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IWL_DEBUG_RATE("Tx'd %d packets in %dms\n",
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packet_count, duration);
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@ -255,23 +255,23 @@ static void iwl3945_bg_rate_scale_flush(unsigned long data)
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} else
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duration = IWL_RATE_FLUSH_MAX;
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rs_priv->flush_time = msecs_to_jiffies(duration);
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rs_sta->flush_time = msecs_to_jiffies(duration);
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IWL_DEBUG_RATE("new flush period: %d msec ave %d\n",
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duration, packet_count);
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mod_timer(&rs_priv->rate_scale_flush, jiffies +
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rs_priv->flush_time);
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mod_timer(&rs_sta->rate_scale_flush, jiffies +
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rs_sta->flush_time);
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rs_priv->last_partial_flush = jiffies;
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rs_sta->last_partial_flush = jiffies;
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}
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/* If there weren't any unflushed entries, we don't schedule the timer
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* to run again */
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rs_priv->last_flush = jiffies;
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rs_sta->last_flush = jiffies;
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spin_unlock_irqrestore(&rs_priv->lock, flags);
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spin_unlock_irqrestore(&rs_sta->lock, flags);
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IWL_DEBUG_RATE("leave\n");
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}
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@ -283,7 +283,7 @@ static void iwl3945_bg_rate_scale_flush(unsigned long data)
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* at this rate. window->data contains the bitmask of successful
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* packets.
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*/
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static void iwl3945_collect_tx_data(struct iwl3945_rate_scale_priv *rs_priv,
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static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta,
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struct iwl3945_rate_scale_data *window,
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int success, int retries)
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{
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@ -295,7 +295,7 @@ static void iwl3945_collect_tx_data(struct iwl3945_rate_scale_priv *rs_priv,
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}
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while (retries--) {
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spin_lock_irqsave(&rs_priv->lock, flags);
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spin_lock_irqsave(&rs_sta->lock, flags);
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/* If we have filled up the window then subtract one from the
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* success counter if the high-bit is counting toward
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@ -323,7 +323,7 @@ static void iwl3945_collect_tx_data(struct iwl3945_rate_scale_priv *rs_priv,
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/* Tag this window as having been updated */
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window->stamp = jiffies;
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spin_unlock_irqrestore(&rs_priv->lock, flags);
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spin_unlock_irqrestore(&rs_sta->lock, flags);
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}
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}
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@ -373,49 +373,49 @@ static void rs_clear(void *priv)
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static void *rs_alloc_sta(void *priv, gfp_t gfp)
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{
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struct iwl3945_rate_scale_priv *rs_priv;
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struct iwl3945_rs_sta *rs_sta;
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int i;
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IWL_DEBUG_RATE("enter\n");
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rs_priv = kzalloc(sizeof(struct iwl3945_rate_scale_priv), gfp);
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if (!rs_priv) {
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rs_sta = kzalloc(sizeof(struct iwl3945_rs_sta), gfp);
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if (!rs_sta) {
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IWL_DEBUG_RATE("leave: ENOMEM\n");
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return NULL;
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}
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spin_lock_init(&rs_priv->lock);
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spin_lock_init(&rs_sta->lock);
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rs_priv->start_rate = IWL_RATE_INVALID;
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rs_sta->start_rate = IWL_RATE_INVALID;
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/* default to just 802.11b */
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rs_priv->expected_tpt = iwl3945_expected_tpt_b;
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rs_sta->expected_tpt = iwl3945_expected_tpt_b;
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rs_priv->last_partial_flush = jiffies;
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rs_priv->last_flush = jiffies;
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rs_priv->flush_time = IWL_RATE_FLUSH;
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rs_priv->last_tx_packets = 0;
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rs_priv->ibss_sta_added = 0;
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rs_sta->last_partial_flush = jiffies;
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rs_sta->last_flush = jiffies;
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rs_sta->flush_time = IWL_RATE_FLUSH;
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rs_sta->last_tx_packets = 0;
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rs_sta->ibss_sta_added = 0;
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init_timer(&rs_priv->rate_scale_flush);
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rs_priv->rate_scale_flush.data = (unsigned long)rs_priv;
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rs_priv->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush;
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init_timer(&rs_sta->rate_scale_flush);
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rs_sta->rate_scale_flush.data = (unsigned long)rs_sta;
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rs_sta->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush;
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for (i = 0; i < IWL_RATE_COUNT; i++)
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iwl3945_clear_window(&rs_priv->win[i]);
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iwl3945_clear_window(&rs_sta->win[i]);
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IWL_DEBUG_RATE("leave\n");
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return rs_priv;
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return rs_sta;
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}
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static void rs_free_sta(void *priv, void *priv_sta)
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{
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struct iwl3945_rate_scale_priv *rs_priv = priv_sta;
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struct iwl3945_rs_sta *rs_sta = priv_sta;
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IWL_DEBUG_RATE("enter\n");
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del_timer_sync(&rs_priv->rate_scale_flush);
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kfree(rs_priv);
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del_timer_sync(&rs_sta->rate_scale_flush);
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kfree(rs_sta);
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IWL_DEBUG_RATE("leave\n");
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}
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@ -464,7 +464,7 @@ static void rs_tx_status(void *priv_rate,
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
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struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate;
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct iwl3945_rate_scale_priv *rs_priv;
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struct iwl3945_rs_sta *rs_sta;
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IWL_DEBUG_RATE("enter\n");
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@ -485,9 +485,9 @@ static void rs_tx_status(void *priv_rate,
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return;
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}
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rs_priv = (void *)sta->rate_ctrl_priv;
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rs_sta = (void *)sta->rate_ctrl_priv;
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rs_priv->tx_packets++;
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rs_sta->tx_packets++;
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scale_rate_index = first_index;
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last_index = first_index;
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@ -514,8 +514,8 @@ static void rs_tx_status(void *priv_rate,
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/* Update this rate accounting for as many retries
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* as was used for it (per current_count) */
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iwl3945_collect_tx_data(rs_priv,
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&rs_priv->win[scale_rate_index],
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iwl3945_collect_tx_data(rs_sta,
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&rs_sta->win[scale_rate_index],
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0, current_count);
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IWL_DEBUG_RATE("Update rate %d for %d retries.\n",
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scale_rate_index, current_count);
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@ -533,25 +533,25 @@ static void rs_tx_status(void *priv_rate,
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last_index,
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(tx_resp->flags & IEEE80211_TX_STATUS_ACK) ?
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"success" : "failure");
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iwl3945_collect_tx_data(rs_priv,
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&rs_priv->win[last_index],
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iwl3945_collect_tx_data(rs_sta,
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&rs_sta->win[last_index],
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tx_resp->flags & IEEE80211_TX_STATUS_ACK, 1);
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/* We updated the rate scale window -- if its been more than
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* flush_time since the last run, schedule the flush
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* again */
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spin_lock_irqsave(&rs_priv->lock, flags);
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spin_lock_irqsave(&rs_sta->lock, flags);
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if (!rs_priv->flush_pending &&
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time_after(jiffies, rs_priv->last_partial_flush +
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rs_priv->flush_time)) {
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if (!rs_sta->flush_pending &&
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time_after(jiffies, rs_sta->last_partial_flush +
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rs_sta->flush_time)) {
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rs_priv->flush_pending = 1;
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mod_timer(&rs_priv->rate_scale_flush,
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jiffies + rs_priv->flush_time);
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rs_sta->flush_pending = 1;
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mod_timer(&rs_sta->rate_scale_flush,
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jiffies + rs_sta->flush_time);
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}
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spin_unlock_irqrestore(&rs_priv->lock, flags);
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spin_unlock_irqrestore(&rs_sta->lock, flags);
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sta_info_put(sta);
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@ -560,8 +560,8 @@ static void rs_tx_status(void *priv_rate,
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return;
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}
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static u16 iwl3945_get_adjacent_rate(struct iwl3945_rate_scale_priv *rs_priv,
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u8 index, u16 rate_mask, int phymode)
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static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
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u8 index, u16 rate_mask, int phymode)
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{
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u8 high = IWL_RATE_INVALID;
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u8 low = IWL_RATE_INVALID;
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@ -595,7 +595,7 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rate_scale_priv *rs_priv,
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low = index;
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while (low != IWL_RATE_INVALID) {
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if (rs_priv->tgg)
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if (rs_sta->tgg)
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low = iwl3945_rates[low].prev_rs_tgg;
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else
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low = iwl3945_rates[low].prev_rs;
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@ -608,7 +608,7 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rate_scale_priv *rs_priv,
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high = index;
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while (high != IWL_RATE_INVALID) {
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if (rs_priv->tgg)
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if (rs_sta->tgg)
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high = iwl3945_rates[high].next_rs_tgg;
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else
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high = iwl3945_rates[high].next_rs;
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@ -646,7 +646,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
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u8 high = IWL_RATE_INVALID;
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u16 high_low;
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int index;
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struct iwl3945_rate_scale_priv *rs_priv;
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struct iwl3945_rs_sta *rs_sta;
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struct iwl3945_rate_scale_data *window = NULL;
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int current_tpt = IWL_INVALID_VALUE;
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int low_tpt = IWL_INVALID_VALUE;
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@ -684,10 +684,10 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
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if (priv->phymode == (u8) MODE_IEEE80211A)
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rate_mask = rate_mask << IWL_FIRST_OFDM_RATE;
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rs_priv = (void *)sta->rate_ctrl_priv;
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rs_sta = (void *)sta->rate_ctrl_priv;
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if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
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!rs_priv->ibss_sta_added) {
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!rs_sta->ibss_sta_added) {
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u8 sta_id = iwl3945_hw_find_station(priv, hdr->addr1);
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if (sta_id == IWL_INVALID_STATION) {
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@ -697,24 +697,24 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
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hdr->addr1, 0, CMD_ASYNC);
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}
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if (sta_id != IWL_INVALID_STATION)
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rs_priv->ibss_sta_added = 1;
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rs_sta->ibss_sta_added = 1;
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}
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spin_lock_irqsave(&rs_priv->lock, flags);
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spin_lock_irqsave(&rs_sta->lock, flags);
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if (rs_priv->start_rate != IWL_RATE_INVALID) {
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index = rs_priv->start_rate;
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rs_priv->start_rate = IWL_RATE_INVALID;
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if (rs_sta->start_rate != IWL_RATE_INVALID) {
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index = rs_sta->start_rate;
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rs_sta->start_rate = IWL_RATE_INVALID;
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}
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window = &(rs_priv->win[index]);
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window = &(rs_sta->win[index]);
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fail_count = window->counter - window->success_counter;
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if (((fail_count <= IWL_RATE_MIN_FAILURE_TH) &&
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(window->success_counter < IWL_RATE_MIN_SUCCESS_TH))) {
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window->average_tpt = IWL_INVALID_VALUE;
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spin_unlock_irqrestore(&rs_priv->lock, flags);
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spin_unlock_irqrestore(&rs_sta->lock, flags);
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IWL_DEBUG_RATE("Invalid average_tpt on rate %d: "
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"counter: %d, success_counter: %d, "
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@ -722,27 +722,27 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
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index,
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window->counter,
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window->success_counter,
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rs_priv->expected_tpt ? "not " : "");
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rs_sta->expected_tpt ? "not " : "");
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goto out;
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}
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window->average_tpt = ((window->success_ratio *
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rs_priv->expected_tpt[index] + 64) / 128);
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rs_sta->expected_tpt[index] + 64) / 128);
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current_tpt = window->average_tpt;
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high_low = iwl3945_get_adjacent_rate(rs_priv, index, rate_mask,
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high_low = iwl3945_get_adjacent_rate(rs_sta, index, rate_mask,
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local->hw.conf.phymode);
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low = high_low & 0xff;
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high = (high_low >> 8) & 0xff;
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if (low != IWL_RATE_INVALID)
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low_tpt = rs_priv->win[low].average_tpt;
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low_tpt = rs_sta->win[low].average_tpt;
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if (high != IWL_RATE_INVALID)
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high_tpt = rs_priv->win[high].average_tpt;
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high_tpt = rs_sta->win[high].average_tpt;
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spin_unlock_irqrestore(&rs_priv->lock, flags);
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spin_unlock_irqrestore(&rs_sta->lock, flags);
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scale_action = 1;
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@ -840,7 +840,7 @@ int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id)
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{
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struct ieee80211_local *local = hw_to_local(hw);
|
||||
struct iwl3945_priv *priv = hw->priv;
|
||||
struct iwl3945_rate_scale_priv *rs_priv;
|
||||
struct iwl3945_rs_sta *rs_sta;
|
||||
struct sta_info *sta;
|
||||
unsigned long flags;
|
||||
int count = 0, i;
|
||||
|
|
@ -858,8 +858,8 @@ int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id)
|
|||
return sprintf(buf, "station %d not found\n", sta_id);
|
||||
}
|
||||
|
||||
rs_priv = (void *)sta->rate_ctrl_priv;
|
||||
spin_lock_irqsave(&rs_priv->lock, flags);
|
||||
rs_sta = (void *)sta->rate_ctrl_priv;
|
||||
spin_lock_irqsave(&rs_sta->lock, flags);
|
||||
i = IWL_RATE_54M_INDEX;
|
||||
while (1) {
|
||||
u64 mask;
|
||||
|
|
@ -871,15 +871,16 @@ int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id)
|
|||
mask = (1ULL << (IWL_RATE_MAX_WINDOW - 1));
|
||||
for (j = 0; j < IWL_RATE_MAX_WINDOW; j++, mask >>= 1)
|
||||
buf[count++] =
|
||||
(rs_priv->win[i].data & mask) ? '1' : '0';
|
||||
(rs_sta->win[i].data & mask) ? '1' : '0';
|
||||
|
||||
samples += rs_priv->win[i].counter;
|
||||
good += rs_priv->win[i].success_counter;
|
||||
success += rs_priv->win[i].success_counter * iwl3945_rates[i].ieee;
|
||||
samples += rs_sta->win[i].counter;
|
||||
good += rs_sta->win[i].success_counter;
|
||||
success += rs_sta->win[i].success_counter *
|
||||
iwl3945_rates[i].ieee;
|
||||
|
||||
if (rs_priv->win[i].stamp) {
|
||||
if (rs_sta->win[i].stamp) {
|
||||
int delta =
|
||||
jiffies_to_msecs(now - rs_priv->win[i].stamp);
|
||||
jiffies_to_msecs(now - rs_sta->win[i].stamp);
|
||||
|
||||
if (delta > max_time)
|
||||
max_time = delta;
|
||||
|
|
@ -893,7 +894,7 @@ int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id)
|
|||
break;
|
||||
i = j;
|
||||
}
|
||||
spin_unlock_irqrestore(&rs_priv->lock, flags);
|
||||
spin_unlock_irqrestore(&rs_sta->lock, flags);
|
||||
sta_info_put(sta);
|
||||
|
||||
/* Display the average rate of all samples taken.
|
||||
|
|
@ -919,7 +920,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
|
|||
s32 rssi = 0;
|
||||
unsigned long flags;
|
||||
struct ieee80211_local *local = hw_to_local(hw);
|
||||
struct iwl3945_rate_scale_priv *rs_priv;
|
||||
struct iwl3945_rs_sta *rs_sta;
|
||||
struct sta_info *sta;
|
||||
|
||||
IWL_DEBUG_RATE("enter\n");
|
||||
|
|
@ -939,33 +940,33 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
|
|||
return;
|
||||
}
|
||||
|
||||
rs_priv = (void *)sta->rate_ctrl_priv;
|
||||
rs_sta = (void *)sta->rate_ctrl_priv;
|
||||
|
||||
spin_lock_irqsave(&rs_priv->lock, flags);
|
||||
spin_lock_irqsave(&rs_sta->lock, flags);
|
||||
|
||||
rs_priv->tgg = 0;
|
||||
rs_sta->tgg = 0;
|
||||
switch (priv->phymode) {
|
||||
case MODE_IEEE80211G:
|
||||
if (priv->active_rxon.flags & RXON_FLG_TGG_PROTECT_MSK) {
|
||||
rs_priv->tgg = 1;
|
||||
rs_priv->expected_tpt = iwl3945_expected_tpt_g_prot;
|
||||
rs_sta->tgg = 1;
|
||||
rs_sta->expected_tpt = iwl3945_expected_tpt_g_prot;
|
||||
} else
|
||||
rs_priv->expected_tpt = iwl3945_expected_tpt_g;
|
||||
rs_sta->expected_tpt = iwl3945_expected_tpt_g;
|
||||
break;
|
||||
|
||||
case MODE_IEEE80211A:
|
||||
rs_priv->expected_tpt = iwl3945_expected_tpt_a;
|
||||
rs_sta->expected_tpt = iwl3945_expected_tpt_a;
|
||||
break;
|
||||
|
||||
default:
|
||||
IWL_WARNING("Invalid phymode. Defaulting to 802.11b\n");
|
||||
case MODE_IEEE80211B:
|
||||
rs_priv->expected_tpt = iwl3945_expected_tpt_b;
|
||||
rs_sta->expected_tpt = iwl3945_expected_tpt_b;
|
||||
break;
|
||||
}
|
||||
|
||||
sta_info_put(sta);
|
||||
spin_unlock_irqrestore(&rs_priv->lock, flags);
|
||||
spin_unlock_irqrestore(&rs_sta->lock, flags);
|
||||
|
||||
rssi = priv->last_rx_rssi;
|
||||
if (rssi == 0)
|
||||
|
|
@ -973,11 +974,12 @@ 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_priv->start_rate = iwl3945_get_rate_index_by_rssi(rssi, priv->phymode);
|
||||
rs_sta->start_rate =
|
||||
iwl3945_get_rate_index_by_rssi(rssi, priv->phymode);
|
||||
|
||||
IWL_DEBUG_RATE("leave: rssi %d assign rate index: "
|
||||
"%d (plcp 0x%x)\n", rssi, rs_priv->start_rate,
|
||||
iwl3945_rates[rs_priv->start_rate].plcp);
|
||||
"%d (plcp 0x%x)\n", rssi, rs_sta->start_rate,
|
||||
iwl3945_rates[rs_sta->start_rate].plcp);
|
||||
}
|
||||
|
||||
void iwl3945_rate_control_register(struct ieee80211_hw *hw)
|
||||
|
|
|
|||
Loading…
Reference in New Issue