From 1933dc0aa3ec2b6bb06452f29929512ac7cf5c8c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 7 Feb 2016 14:29:51 +0000
Subject: mac80211: merge a few mesh fixes
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48647
---
...80211-Remove-MPP-table-entries-with-MPath.patch | 54 ++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 package/kernel/mac80211/patches/327-mac80211-Remove-MPP-table-entries-with-MPath.patch
(limited to 'package/kernel/mac80211/patches/327-mac80211-Remove-MPP-table-entries-with-MPath.patch')
diff --git a/package/kernel/mac80211/patches/327-mac80211-Remove-MPP-table-entries-with-MPath.patch b/package/kernel/mac80211/patches/327-mac80211-Remove-MPP-table-entries-with-MPath.patch
new file mode 100644
index 0000000000..f7f9df946a
--- /dev/null
+++ b/package/kernel/mac80211/patches/327-mac80211-Remove-MPP-table-entries-with-MPath.patch
@@ -0,0 +1,54 @@
+From: Henning Rogge <hrogge@gmail.com>
+Date: Wed, 3 Feb 2016 13:58:36 +0100
+Subject: [PATCH] mac80211: Remove MPP table entries with MPath
+
+Make the mesh_path_del() function remove all mpp table entries
+that are proxied by the removed mesh path.
+
+Acked-by: Bob Copeland <me@bobcopeland.com>
+Signed-off-by: Henning Rogge <henning.rogge@fkie.fraunhofer.de>
+Signed-off-by: Johannes Berg <johannes.berg@intel.com>
+---
+
+--- a/net/mac80211/mesh_pathtbl.c
++++ b/net/mac80211/mesh_pathtbl.c
+@@ -835,6 +835,29 @@ void mesh_path_flush_by_nexthop(struct s
+ rcu_read_unlock();
+ }
+
++static void mpp_flush_by_proxy(struct ieee80211_sub_if_data *sdata,
++ const u8 *proxy)
++{
++ struct mesh_table *tbl;
++ struct mesh_path *mpp;
++ struct mpath_node *node;
++ int i;
++
++ rcu_read_lock();
++ read_lock_bh(&pathtbl_resize_lock);
++ tbl = resize_dereference_mpp_paths();
++ for_each_mesh_entry(tbl, node, i) {
++ mpp = node->mpath;
++ if (ether_addr_equal(mpp->mpp, proxy)) {
++ spin_lock(&tbl->hashwlock[i]);
++ __mesh_path_del(tbl, node);
++ spin_unlock(&tbl->hashwlock[i]);
++ }
++ }
++ read_unlock_bh(&pathtbl_resize_lock);
++ rcu_read_unlock();
++}
++
+ static void table_flush_by_iface(struct mesh_table *tbl,
+ struct ieee80211_sub_if_data *sdata)
+ {
+@@ -892,6 +915,9 @@ int mesh_path_del(struct ieee80211_sub_i
+ int hash_idx;
+ int err = 0;
+
++ /* flush relevant mpp entries first */
++ mpp_flush_by_proxy(sdata, addr);
++
+ read_lock_bh(&pathtbl_resize_lock);
+ tbl = resize_dereference_mesh_paths();
+ hash_idx = mesh_table_hash(addr, sdata, tbl);
--
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