mac80211: cache mesh beacon
Previously, the entire mesh beacon would be generated each
time the beacon timer fired. Instead generate a beacon
head and tail (so the TIM can easily be inserted when mesh
power save is on) when starting a mesh or the MBSS
parameters change.
Also add a mutex for protecting beacon updates and
preventing leaks.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c3869ba..0800fb3 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1800,11 +1800,10 @@
conf->power_mode = nconf->power_mode;
ieee80211_mps_local_status_update(sdata);
}
- if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) {
+ if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
conf->dot11MeshAwakeWindowDuration =
nconf->dot11MeshAwakeWindowDuration;
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
- }
+ ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
return 0;
}
@@ -1830,9 +1829,7 @@
if (err)
return err;
- ieee80211_start_mesh(sdata);
-
- return 0;
+ return ieee80211_start_mesh(sdata);
}
static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)