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/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d702f7d..388580a 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -580,6 +580,9 @@
u32 mesh_seqnum;
bool accepting_plinks;
int num_gates;
+ struct beacon_data __rcu *beacon;
+ /* just protects beacon updates for now */
+ struct mutex mtx;
const u8 *ie;
u8 ie_len;
enum {