C++ (Cpp) iwl3945_rate_scale_flush_windows Examples

Example #1

File: iwl-3945-rs.c Project: johnny/CobraDroidBeta

static void iwl3945_bg_rate_scale_flush(unsigned long data)
{
	struct iwl3945_rs_sta *rs_sta = (void *)data;
	int unflushed = 0;
	unsigned long flags;
	u32 packet_count, duration, pps;

	IWL_DEBUG_RATE("enter\n");

	unflushed = iwl3945_rate_scale_flush_windows(rs_sta);

	spin_lock_irqsave(&rs_sta->lock, flags);

	/* Number of packets Rx'd since last time this timer ran */
	packet_count = (rs_sta->tx_packets - rs_sta->last_tx_packets) + 1;

	rs_sta->last_tx_packets = rs_sta->tx_packets + 1;

	if (unflushed) {
		duration =
		    jiffies_to_msecs(jiffies - rs_sta->last_partial_flush);

		IWL_DEBUG_RATE("Tx'd %d packets in %dms\n",
			       packet_count, duration);

		/* Determine packets per second */
		if (duration)
			pps = (packet_count * 1000) / duration;
		else
			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;
		} else
			duration = IWL_RATE_FLUSH_MAX;

		rs_sta->flush_time = msecs_to_jiffies(duration);

		IWL_DEBUG_RATE("new flush period: %d msec ave %d\n",
			       duration, packet_count);

		mod_timer(&rs_sta->rate_scale_flush, jiffies +
			  rs_sta->flush_time);

		rs_sta->last_partial_flush = jiffies;
	} else {
		rs_sta->flush_time = IWL_RATE_FLUSH;
		rs_sta->flush_pending = 0;
	}
	/* If there weren't any unflushed entries, we don't schedule the timer
	 * to run again */

	rs_sta->last_flush = jiffies;

	spin_unlock_irqrestore(&rs_sta->lock, flags);

	IWL_DEBUG_RATE("leave\n");
}

Example #2

static void iwl3945_bg_rate_scale_flush(unsigned long data)
{
	struct iwl3945_rs_sta *rs_sta = (void *)data;
	struct iwl_priv *priv __maybe_unused = rs_sta->priv;
	int unflushed = 0;
	unsigned long flags;
	u32 packet_count, duration, pps;

	IWL_DEBUG_RATE(priv, "enter\n");

	unflushed = iwl3945_rate_scale_flush_windows(rs_sta);

	spin_lock_irqsave(&rs_sta->lock, flags);

	
	packet_count = (rs_sta->tx_packets - rs_sta->last_tx_packets) + 1;

	rs_sta->last_tx_packets = rs_sta->tx_packets + 1;

	if (unflushed) {
		duration =
		    jiffies_to_msecs(jiffies - rs_sta->last_partial_flush);

		IWL_DEBUG_RATE(priv, "Tx'd %d packets in %dms\n",
			       packet_count, duration);

		
		if (duration)
			pps = (packet_count * 1000) / duration;
		else
			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;
		} else
			duration = IWL_RATE_FLUSH_MAX;

		rs_sta->flush_time = msecs_to_jiffies(duration);

		IWL_DEBUG_RATE(priv, "new flush period: %d msec ave %d\n",
			       duration, packet_count);

		mod_timer(&rs_sta->rate_scale_flush, jiffies +
			  rs_sta->flush_time);

		rs_sta->last_partial_flush = jiffies;
	} else {
		rs_sta->flush_time = IWL_RATE_FLUSH;
		rs_sta->flush_pending = 0;
	}
	

	rs_sta->last_flush = jiffies;

	spin_unlock_irqrestore(&rs_sta->lock, flags);

	IWL_DEBUG_RATE(priv, "leave\n");
}