diff options
Diffstat (limited to 'package/kernel/mac80211/patches/329-mac80211-Unify-mesh-and-mpp-path-removal-function.patch')
-rw-r--r-- | package/kernel/mac80211/patches/329-mac80211-Unify-mesh-and-mpp-path-removal-function.patch | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/package/kernel/mac80211/patches/329-mac80211-Unify-mesh-and-mpp-path-removal-function.patch b/package/kernel/mac80211/patches/329-mac80211-Unify-mesh-and-mpp-path-removal-function.patch deleted file mode 100644 index 0c36b1d568..0000000000 --- a/package/kernel/mac80211/patches/329-mac80211-Unify-mesh-and-mpp-path-removal-function.patch +++ /dev/null @@ -1,143 +0,0 @@ -From: Henning Rogge <hrogge@gmail.com> -Date: Wed, 3 Feb 2016 13:58:38 +0100 -Subject: [PATCH] mac80211: Unify mesh and mpp path removal function - -mpp_path_del() and mesh_path_del() are mostly the same function. -Move common code into a new static function. - -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 -@@ -55,16 +55,21 @@ int mpp_paths_generation; - static DEFINE_RWLOCK(pathtbl_resize_lock); - - -+static inline struct mesh_table *resize_dereference_paths( -+ struct mesh_table __rcu *table) -+{ -+ return rcu_dereference_protected(table, -+ lockdep_is_held(&pathtbl_resize_lock)); -+} -+ - static inline struct mesh_table *resize_dereference_mesh_paths(void) - { -- return rcu_dereference_protected(mesh_paths, -- lockdep_is_held(&pathtbl_resize_lock)); -+ return resize_dereference_paths(mesh_paths); - } - - static inline struct mesh_table *resize_dereference_mpp_paths(void) - { -- return rcu_dereference_protected(mpp_paths, -- lockdep_is_held(&pathtbl_resize_lock)); -+ return resize_dereference_paths(mpp_paths); - } - - /* -@@ -899,14 +904,17 @@ void mesh_path_flush_by_iface(struct iee - } - - /** -- * mesh_path_del - delete a mesh path from the table -+ * table_path_del - delete a path from the mesh or mpp table - * -- * @addr: dst address (ETH_ALEN length) -+ * @tbl: mesh or mpp path table - * @sdata: local subif -+ * @addr: dst address (ETH_ALEN length) - * - * Returns: 0 if successful - */ --int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) -+static int table_path_del(struct mesh_table __rcu *rcu_tbl, -+ struct ieee80211_sub_if_data *sdata, -+ const u8 *addr) - { - struct mesh_table *tbl; - struct mesh_path *mpath; -@@ -915,11 +923,7 @@ 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(); -+ tbl = resize_dereference_paths(rcu_tbl); - hash_idx = mesh_table_hash(addr, sdata, tbl); - bucket = &tbl->hash_buckets[hash_idx]; - -@@ -935,9 +939,30 @@ int mesh_path_del(struct ieee80211_sub_i - - err = -ENXIO; - enddel: -- mesh_paths_generation++; - spin_unlock(&tbl->hashwlock[hash_idx]); -+ return err; -+} -+ -+/** -+ * mesh_path_del - delete a mesh path from the table -+ * -+ * @addr: dst address (ETH_ALEN length) -+ * @sdata: local subif -+ * -+ * Returns: 0 if successful -+ */ -+int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) -+{ -+ int err = 0; -+ -+ /* flush relevant mpp entries first */ -+ mpp_flush_by_proxy(sdata, addr); -+ -+ read_lock_bh(&pathtbl_resize_lock); -+ err = table_path_del(mesh_paths, sdata, addr); -+ mesh_paths_generation++; - read_unlock_bh(&pathtbl_resize_lock); -+ - return err; - } - -@@ -951,33 +976,13 @@ enddel: - */ - static int mpp_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) - { -- struct mesh_table *tbl; -- struct mesh_path *mpath; -- struct mpath_node *node; -- struct hlist_head *bucket; -- int hash_idx; - int err = 0; - - read_lock_bh(&pathtbl_resize_lock); -- tbl = resize_dereference_mpp_paths(); -- hash_idx = mesh_table_hash(addr, sdata, tbl); -- bucket = &tbl->hash_buckets[hash_idx]; -- -- spin_lock(&tbl->hashwlock[hash_idx]); -- hlist_for_each_entry(node, bucket, list) { -- mpath = node->mpath; -- if (mpath->sdata == sdata && -- ether_addr_equal(addr, mpath->dst)) { -- __mesh_path_del(tbl, node); -- goto enddel; -- } -- } -- -- err = -ENXIO; --enddel: -- mesh_paths_generation++; -- spin_unlock(&tbl->hashwlock[hash_idx]); -+ err = table_path_del(mpp_paths, sdata, addr); -+ mpp_paths_generation++; - read_unlock_bh(&pathtbl_resize_lock); -+ - return err; - } - |