tree db898021baebc1b462b78d00048d0cf9ef3f0aa8
parent 4a3cb702b05868f67c4ee3da3380461c5b90b4ca
author Thomas Pedersen <thomas@cozybit.com> 1360869613 -0800
committer Johannes Berg <johannes.berg@intel.com> 1360917700 +0100

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>