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Commit a76d5e0a authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: mesh: move fail_avg into mesh struct 



This value is only used in mesh, so move it into the new mesh
sub-struct of the station info.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent f9a060f4

net/mac80211/mesh_hwmp.c

+5 −4
Original line number Diff line number Diff line
@@ -308,8 +308,9 @@ void ieee80211s_update_metric(struct ieee80211_local *local, 
	failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);



	/* moving average, scaled to 100 */

	sta->fail_avg = ((80 * sta->fail_avg + 5) / 100 + 20 * failed);

	if (sta->fail_avg > 95)

	sta->mesh->fail_avg =

		((80 * sta->mesh->fail_avg + 5) / 100 + 20 * failed);

	if (sta->mesh->fail_avg > 95)

		mesh_plink_broken(sta);

}
@@ -325,7 +326,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, 
	u32 tx_time, estimated_retx;

	u64 result;



	if (sta->fail_avg >= 100)

	if (sta->mesh->fail_avg >= 100)

		return MAX_METRIC;



	sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo);
@@ -333,7 +334,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, 
	if (WARN_ON(!rate))

		return MAX_METRIC;



	err = (sta->fail_avg << ARITH_SHIFT) / 100;

	err = (sta->mesh->fail_avg << ARITH_SHIFT) / 100;



	/* bitrate is in units of 100 Kbps, while we need rate in units of

	 * 1Mbps. This will be corrected on tx_time computation.

net/mac80211/sta_info.h

+4 −3
Original line number Diff line number Diff line
@@ -290,6 +290,7 @@ struct ieee80211_fast_tx { 
 * @nonpeer_pm: STA power save mode towards non-peer neighbors

 * @processed_beacon: set to true after peer rates and capabilities are

 *	processed

 * @fail_avg: moving percentage of failed MSDUs

 */

struct mesh_sta {

	struct timer_list plink_timer;
@@ -312,6 +313,9 @@ struct mesh_sta { 
	enum nl80211_mesh_power_mode local_pm;

	enum nl80211_mesh_power_mode peer_pm;

	enum nl80211_mesh_power_mode nonpeer_pm;



	/* moving percentage of failed MSDUs */

	unsigned int fail_avg;

};



/**
@@ -369,7 +373,6 @@ struct mesh_sta { 
 * @tx_filtered_count: number of frames the hardware filtered for this STA

 * @tx_retry_failed: number of frames that failed retry

 * @tx_retry_count: total number of retries for frames to this STA

 * @fail_avg: moving percentage of failed MSDUs

 * @tx_packets: number of RX/TX MSDUs

 * @tx_bytes: number of bytes transmitted to this STA

 * @tid_seq: per-TID sequence numbers for sending to this STA
@@ -470,8 +473,6 @@ struct sta_info { 
	/* Updated from TX status path only, no locking requirements */

	unsigned long tx_filtered_count;

	unsigned long tx_retry_failed, tx_retry_count;

	/* moving percentage of failed MSDUs */

	unsigned int fail_avg;



	/* Updated from TX path only, no locking requirements */

	u64 tx_packets[IEEE80211_NUM_ACS];