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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: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-06-18 16:20:08 +02:00
parent f9a060f4b2
commit a76d5e0a23
2 changed files with 9 additions and 7 deletions
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9
net/mac80211/mesh_hwmp.c
View File

@ -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.

7
net/mac80211/sta_info.h
View File

@ -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];