aboutsummaryrefslogtreecommitdiffstats
path: root/package/mac80211/patches/130-mesh_pathtbl_backport.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/mac80211/patches/130-mesh_pathtbl_backport.patch')
-rw-r--r--package/mac80211/patches/130-mesh_pathtbl_backport.patch212
1 files changed, 212 insertions, 0 deletions
diff --git a/package/mac80211/patches/130-mesh_pathtbl_backport.patch b/package/mac80211/patches/130-mesh_pathtbl_backport.patch
new file mode 100644
index 0000000..1322099
--- /dev/null
+++ b/package/mac80211/patches/130-mesh_pathtbl_backport.patch
@@ -0,0 +1,212 @@
+--- a/net/mac80211/mesh_pathtbl.c
++++ b/net/mac80211/mesh_pathtbl.c
+@@ -72,9 +72,9 @@ static inline struct mesh_table *resize_
+ * it's used twice. So it is illegal to do
+ * for_each_mesh_entry(rcu_dereference(...), ...)
+ */
+-#define for_each_mesh_entry(tbl, p, node, i) \
++#define for_each_mesh_entry(tbl, node, i) \
+ for (i = 0; i <= tbl->hash_mask; i++) \
+- hlist_for_each_entry_rcu(node, p, &tbl->hash_buckets[i], list)
++ hlist_for_each_entry_rcu(node, &tbl->hash_buckets[i], list)
+
+
+ static struct mesh_table *mesh_table_alloc(int size_order)
+@@ -139,7 +139,7 @@ static void mesh_table_free(struct mesh_
+ }
+ if (free_leafs) {
+ spin_lock_bh(&tbl->gates_lock);
+- hlist_for_each_entry_safe(gate, p, q,
++ hlist_for_each_entry_safe(gate, q,
+ tbl->known_gates, list) {
+ hlist_del(&gate->list);
+ kfree(gate);
+@@ -333,12 +333,11 @@ static struct mesh_path *mpath_lookup(st
+ struct ieee80211_sub_if_data *sdata)
+ {
+ struct mesh_path *mpath;
+- struct hlist_node *n;
+ struct hlist_head *bucket;
+ struct mpath_node *node;
+
+ bucket = &tbl->hash_buckets[mesh_table_hash(dst, sdata, tbl)];
+- hlist_for_each_entry_rcu(node, n, bucket, list) {
++ hlist_for_each_entry_rcu(node, bucket, list) {
+ mpath = node->mpath;
+ if (mpath->sdata == sdata &&
+ ether_addr_equal(dst, mpath->dst)) {
+@@ -389,11 +388,10 @@ mesh_path_lookup_by_idx(struct ieee80211
+ {
+ struct mesh_table *tbl = rcu_dereference(mesh_paths);
+ struct mpath_node *node;
+- struct hlist_node *p;
+ int i;
+ int j = 0;
+
+- for_each_mesh_entry(tbl, p, node, i) {
++ for_each_mesh_entry(tbl, node, i) {
+ if (sdata && node->mpath->sdata != sdata)
+ continue;
+ if (j++ == idx) {
+@@ -417,13 +415,12 @@ int mesh_path_add_gate(struct mesh_path
+ {
+ struct mesh_table *tbl;
+ struct mpath_node *gate, *new_gate;
+- struct hlist_node *n;
+ int err;
+
+ rcu_read_lock();
+ tbl = rcu_dereference(mesh_paths);
+
+- hlist_for_each_entry_rcu(gate, n, tbl->known_gates, list)
++ hlist_for_each_entry_rcu(gate, tbl->known_gates, list)
+ if (gate->mpath == mpath) {
+ err = -EEXIST;
+ goto err_rcu;
+@@ -460,9 +457,9 @@ err_rcu:
+ static void mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath)
+ {
+ struct mpath_node *gate;
+- struct hlist_node *p, *q;
++ struct hlist_node *q;
+
+- hlist_for_each_entry_safe(gate, p, q, tbl->known_gates, list) {
++ hlist_for_each_entry_safe(gate, q, tbl->known_gates, list) {
+ if (gate->mpath != mpath)
+ continue;
+ spin_lock_bh(&tbl->gates_lock);
+@@ -504,7 +501,6 @@ int mesh_path_add(struct ieee80211_sub_i
+ struct mesh_path *mpath, *new_mpath;
+ struct mpath_node *node, *new_node;
+ struct hlist_head *bucket;
+- struct hlist_node *n;
+ int grow = 0;
+ int err = 0;
+ u32 hash_idx;
+@@ -550,7 +546,7 @@ int mesh_path_add(struct ieee80211_sub_i
+ spin_lock(&tbl->hashwlock[hash_idx]);
+
+ err = -EEXIST;
+- hlist_for_each_entry(node, n, bucket, list) {
++ hlist_for_each_entry(node, bucket, list) {
+ mpath = node->mpath;
+ if (mpath->sdata == sdata &&
+ ether_addr_equal(dst, mpath->dst))
+@@ -640,7 +636,6 @@ int mpp_path_add(struct ieee80211_sub_if
+ struct mesh_path *mpath, *new_mpath;
+ struct mpath_node *node, *new_node;
+ struct hlist_head *bucket;
+- struct hlist_node *n;
+ int grow = 0;
+ int err = 0;
+ u32 hash_idx;
+@@ -680,7 +675,7 @@ int mpp_path_add(struct ieee80211_sub_if
+ spin_lock(&tbl->hashwlock[hash_idx]);
+
+ err = -EEXIST;
+- hlist_for_each_entry(node, n, bucket, list) {
++ hlist_for_each_entry(node, bucket, list) {
+ mpath = node->mpath;
+ if (mpath->sdata == sdata &&
+ ether_addr_equal(dst, mpath->dst))
+@@ -725,14 +720,13 @@ void mesh_plink_broken(struct sta_info *
+ static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+ struct mesh_path *mpath;
+ struct mpath_node *node;
+- struct hlist_node *p;
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
+ int i;
+ __le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_DEST_UNREACHABLE);
+
+ rcu_read_lock();
+ tbl = rcu_dereference(mesh_paths);
+- for_each_mesh_entry(tbl, p, node, i) {
++ for_each_mesh_entry(tbl, node, i) {
+ mpath = node->mpath;
+ if (rcu_dereference(mpath->next_hop) == sta &&
+ mpath->flags & MESH_PATH_ACTIVE &&
+@@ -792,13 +786,12 @@ void mesh_path_flush_by_nexthop(struct s
+ struct mesh_table *tbl;
+ struct mesh_path *mpath;
+ struct mpath_node *node;
+- struct hlist_node *p;
+ int i;
+
+ rcu_read_lock();
+ read_lock_bh(&pathtbl_resize_lock);
+ tbl = resize_dereference_mesh_paths();
+- for_each_mesh_entry(tbl, p, node, i) {
++ for_each_mesh_entry(tbl, node, i) {
+ mpath = node->mpath;
+ if (rcu_dereference(mpath->next_hop) == sta) {
+ spin_lock(&tbl->hashwlock[i]);
+@@ -815,11 +808,9 @@ static void table_flush_by_iface(struct
+ {
+ struct mesh_path *mpath;
+ struct mpath_node *node;
+- struct hlist_node *p;
+ int i;
+
+- WARN_ON(!rcu_read_lock_held());
+- for_each_mesh_entry(tbl, p, node, i) {
++ for_each_mesh_entry(tbl, node, i) {
+ mpath = node->mpath;
+ if (mpath->sdata != sdata)
+ continue;
+@@ -865,7 +856,6 @@ int mesh_path_del(struct ieee80211_sub_i
+ struct mesh_path *mpath;
+ struct mpath_node *node;
+ struct hlist_head *bucket;
+- struct hlist_node *n;
+ int hash_idx;
+ int err = 0;
+
+@@ -875,7 +865,7 @@ int mesh_path_del(struct ieee80211_sub_i
+ bucket = &tbl->hash_buckets[hash_idx];
+
+ spin_lock(&tbl->hashwlock[hash_idx]);
+- hlist_for_each_entry(node, n, bucket, list) {
++ hlist_for_each_entry(node, bucket, list) {
+ mpath = node->mpath;
+ if (mpath->sdata == sdata &&
+ ether_addr_equal(addr, mpath->dst)) {
+@@ -920,7 +910,6 @@ void mesh_path_tx_pending(struct mesh_pa
+ int mesh_path_send_to_gates(struct mesh_path *mpath)
+ {
+ struct ieee80211_sub_if_data *sdata = mpath->sdata;
+- struct hlist_node *n;
+ struct mesh_table *tbl;
+ struct mesh_path *from_mpath = mpath;
+ struct mpath_node *gate = NULL;
+@@ -935,7 +924,7 @@ int mesh_path_send_to_gates(struct mesh_
+ if (!known_gates)
+ return -EHOSTUNREACH;
+
+- hlist_for_each_entry_rcu(gate, n, known_gates, list) {
++ hlist_for_each_entry_rcu(gate, known_gates, list) {
+ if (gate->mpath->sdata != sdata)
+ continue;
+
+@@ -951,7 +940,7 @@ int mesh_path_send_to_gates(struct mesh_
+ }
+ }
+
+- hlist_for_each_entry_rcu(gate, n, known_gates, list)
++ hlist_for_each_entry_rcu(gate, known_gates, list)
+ if (gate->mpath->sdata == sdata) {
+ mpath_dbg(sdata, "Sending to %pM\n", gate->mpath->dst);
+ mesh_path_tx_pending(gate->mpath);
+@@ -1096,12 +1085,11 @@ void mesh_path_expire(struct ieee80211_s
+ struct mesh_table *tbl;
+ struct mesh_path *mpath;
+ struct mpath_node *node;
+- struct hlist_node *p;
+ int i;
+
+ rcu_read_lock();
+ tbl = rcu_dereference(mesh_paths);
+- for_each_mesh_entry(tbl, p, node, i) {
++ for_each_mesh_entry(tbl, node, i) {
+ if (node->mpath->sdata != sdata)
+ continue;
+ mpath = node->mpath;