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Diffstat (limited to 'net/mac80211/mesh.c')
-rw-r--r--net/mac80211/mesh.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 89df62b..5a74b24 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -259,6 +259,9 @@ int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
*pos++ = WLAN_EID_MESH_CONFIG;
*pos++ = meshconf_len;
+ /* save a pointer for quick updates in pre-tbtt */
+ ifmsh->meshconf_offset = pos - skb->data;
+
/* Active path selection protocol ID */
*pos++ = ifmsh->mesh_pp_id;
/* Active path selection metric ID */
@@ -723,6 +726,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
bcn->tail_len = skb->len;
memcpy(bcn->tail, skb->data, bcn->tail_len);
+ bcn->meshconf = (struct ieee80211_meshconf_ie *)
+ (bcn->tail + ifmsh->meshconf_offset);
dev_kfree_skb(skb);
rcu_assign_pointer(ifmsh->beacon, bcn);