mac80211: mesh data structures and first mesh changes

Includes integration in struct sta_info of mesh peer link elements, previously
on their own mesh peer link table.

Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 9762803e4876..4a51647a41af 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -15,6 +15,9 @@
 #include <linux/debugfs.h>
 #include <net/mac80211.h>
 #include "ieee80211_rate.h"
+#ifdef CONFIG_MAC80211_MESH
+#include "mesh.h"
+#endif
 
 #include "rc80211_pid.h"
 
@@ -148,6 +151,9 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
                                     struct ieee80211_local *local,
                                     struct sta_info *sta)
 {
+#ifdef CONFIG_MAC80211_MESH
+        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+#endif
         struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv;
         struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
         struct ieee80211_supported_band *sband;
@@ -178,7 +184,14 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
                 pf = spinfo->last_pf;
         else {
                 pf = spinfo->tx_num_failed * 100 / spinfo->tx_num_xmit;
+#ifdef CONFIG_MAC80211_MESH
+                if (pf == 100 &&
+                    sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+                        mesh_plink_broken(sta);
+#endif
                 pf <<= RC_PID_ARITH_SHIFT;
+                sta->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9)
+                                        >> RC_PID_ARITH_SHIFT;
         }
 
         spinfo->tx_num_xmit = 0;
@@ -357,6 +370,7 @@ static void rate_control_pid_rate_init(void *priv, void *priv_sta,
 
         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
         sta->txrate_idx = rate_lowest_index(local, sband, sta);
+        sta->fail_avg = 0;
 }
 
 static void *rate_control_pid_alloc(struct ieee80211_local *local)