Commit c206ca67 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: move dot11 counters under MAC80211_DEBUG_COUNTERS 



Since these counters can only be read through debugfs, there's
very little point in maintaining them all the time. However,
even just making them depend on debugfs is pointless - they're
not normally used. Additionally a number of them aren't even
concurrency safe.

Move them under MAC80211_DEBUG_COUNTERS so they're normally
not even compiled in.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent f1160434

net/mac80211/Kconfig

+5 −1
Original line number Diff line number Diff line
@@ -302,7 +302,11 @@ config MAC80211_DEBUG_COUNTERS 
	---help---

	  Selecting this option causes mac80211 to keep additional

	  and very verbose statistics about TX and RX handler use

	  and show them in debugfs.

	  as well as a few selected dot11 counters. These will be

	  exposed in debugfs.



	  Note that some of the counters are not concurrency safe

	  and may thus not always be accurate.



	  If unsure, say N.

net/mac80211/debugfs.c

+1 −1
Original line number Diff line number Diff line
@@ -255,6 +255,7 @@ void debugfs_hw_add(struct ieee80211_local *local) 
	if (!statsd)

		return;



#ifdef CONFIG_MAC80211_DEBUG_COUNTERS

	DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);

	DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);

	DEBUGFS_STATS_ADD(dot11FailedCount);
@@ -264,7 +265,6 @@ void debugfs_hw_add(struct ieee80211_local *local) 
	DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);

	DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);

	DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);

#ifdef CONFIG_MAC80211_DEBUG_COUNTERS

	DEBUGFS_STATS_ADD(tx_handlers_drop);

	DEBUGFS_STATS_ADD(tx_handlers_queued);

	DEBUGFS_STATS_ADD(tx_handlers_drop_wep);

net/mac80211/ieee80211_i.h

+8 −8
Original line number Diff line number Diff line
@@ -1259,6 +1259,14 @@ struct ieee80211_local { 
	struct list_head chanctx_list;

	struct mutex chanctx_mtx;



#ifdef CONFIG_MAC80211_LEDS

	struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;

	struct tpt_led_trigger *tpt_led_trigger;

	char tx_led_name[32], rx_led_name[32],

	     assoc_led_name[32], radio_led_name[32];

#endif



#ifdef CONFIG_MAC80211_DEBUG_COUNTERS

	/* SNMP counters */

	/* dot11CountersTable */

	u32 dot11TransmittedFragmentCount;
@@ -1271,14 +1279,6 @@ struct ieee80211_local { 
	u32 dot11MulticastReceivedFrameCount;

	u32 dot11TransmittedFrameCount;



#ifdef CONFIG_MAC80211_LEDS

	struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;

	struct tpt_led_trigger *tpt_led_trigger;

	char tx_led_name[32], rx_led_name[32],

	     assoc_led_name[32], radio_led_name[32];

#endif



#ifdef CONFIG_MAC80211_DEBUG_COUNTERS

	/* TX/RX handler statistics */

	unsigned int tx_handlers_drop;

	unsigned int tx_handlers_queued;

net/mac80211/rx.c

+3 −3
Original line number Diff line number Diff line
@@ -1077,7 +1077,7 @@ ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx) 
		if (unlikely(ieee80211_has_retry(hdr->frame_control) &&

			     rx->sta->last_seq_ctrl[rx->seqno_idx] ==

			     hdr->seq_ctrl)) {

			rx->local->dot11FrameDuplicateCount++;

			I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount);

			rx->sta->num_duplicates++;

			return RX_DROP_UNUSABLE;

		} else if (!(status->flag & RX_FLAG_AMSDU_MORE)) {
@@ -1785,7 +1785,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) 
	frag = sc & IEEE80211_SCTL_FRAG;



	if (is_multicast_ether_addr(hdr->addr1)) {

		rx->local->dot11MulticastReceivedFrameCount++;

		I802_DEBUG_INC(rx->local->dot11MulticastReceivedFrameCount);

		goto out_no_led;

	}
@@ -3410,7 +3410,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, 
	rx.local = local;



	if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc))

		local->dot11ReceivedFragmentCount++;

		I802_DEBUG_INC(local->dot11ReceivedFragmentCount);



	if (ieee80211_is_mgmt(fc)) {

		/* drop frame if too short for header */

net/mac80211/status.c

+14 −14
Original line number Diff line number Diff line
@@ -631,15 +631,15 @@ void ieee80211_tx_status_noskb(struct ieee80211_hw *hw, 
	}



	if (acked || noack_success) {

		    local->dot11TransmittedFrameCount++;

		I802_DEBUG_INC(local->dot11TransmittedFrameCount);

		if (!pubsta)

			    local->dot11MulticastTransmittedFrameCount++;

			I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);

		if (retry_count > 0)

			    local->dot11RetryCount++;

			I802_DEBUG_INC(local->dot11RetryCount);

		if (retry_count > 1)

			    local->dot11MultipleRetryCount++;

			I802_DEBUG_INC(local->dot11MultipleRetryCount);

	} else {

		local->dot11FailedCount++;

		I802_DEBUG_INC(local->dot11FailedCount);

	}

}

EXPORT_SYMBOL(ieee80211_tx_status_noskb);
@@ -802,13 +802,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) 
	if ((info->flags & IEEE80211_TX_STAT_ACK) ||

	    (info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED)) {

		if (ieee80211_is_first_frag(hdr->seq_ctrl)) {

			local->dot11TransmittedFrameCount++;

			I802_DEBUG_INC(local->dot11TransmittedFrameCount);

			if (is_multicast_ether_addr(ieee80211_get_DA(hdr)))

				local->dot11MulticastTransmittedFrameCount++;

				I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount);

			if (retry_count > 0)

				local->dot11RetryCount++;

				I802_DEBUG_INC(local->dot11RetryCount);

			if (retry_count > 1)

				local->dot11MultipleRetryCount++;

				I802_DEBUG_INC(local->dot11MultipleRetryCount);

		}



		/* This counter shall be incremented for an acknowledged MPDU
@@ -818,10 +818,10 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) 
		if (!is_multicast_ether_addr(hdr->addr1) ||

		    ieee80211_is_data(fc) ||

		    ieee80211_is_mgmt(fc))

			local->dot11TransmittedFragmentCount++;

			I802_DEBUG_INC(local->dot11TransmittedFragmentCount);

	} else {

		if (ieee80211_is_first_frag(hdr->seq_ctrl))

			local->dot11FailedCount++;

			I802_DEBUG_INC(local->dot11FailedCount);

	}



	if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc) &&

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