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mac80211: cache mesh beacon

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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>
This commit is contained in:
Thomas Pedersen
2013-02-14 11:20:13 -08:00
committed by Johannes Berg
parent 4a3cb702b0
commit 2b5e196775
6 changed files with 171 additions and 65 deletions
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4
net/mac80211/mesh_plink.c
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@@ -508,7 +508,7 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
ieee80211_mps_frame_release(sta, elems);
out:
rcu_read_unlock();
ieee80211_bss_info_change_notify(sdata, changed);
ieee80211_mbss_info_change_notify(sdata, changed);
}
static void mesh_plink_timer(unsigned long data)
@@ -1090,5 +1090,5 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
rcu_read_unlock();
if (changed)
ieee80211_bss_info_change_notify(sdata, changed);
ieee80211_mbss_info_change_notify(sdata, changed);
}