@@ -97,6 +97,7 @@ struct tc_u_common {
int refcnt;
struct idr handle_idr;
struct hlist_node hnode;
+ long knodes;
};
static inline unsigned int u32_hash_fold(__be32 key,
@@ -453,6 +454,7 @@ static void u32_delete_key_freepf_work(struct work_struct *work)
static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
{
+ struct tc_u_common *tp_c = tp->data;
struct tc_u_knode __rcu **kp;
struct tc_u_knode *pkp;
struct tc_u_hnode *ht = rtnl_dereference(key->ht_up);
@@ -463,6 +465,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
kp = &pkp->next, pkp = rtnl_dereference(*kp)) {
if (pkp == key) {
RCU_INIT_POINTER(*kp, key->next);
+ tp_c->knodes--;
tcf_unbind_filter(tp, &key->res);
idr_remove(&ht->handle_idr, key->handle);
@@ -577,6 +580,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n,
static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht,
struct netlink_ext_ack *extack)
{
+ struct tc_u_common *tp_c = tp->data;
struct tc_u_knode *n;
unsigned int h;
@@ -584,6 +588,7 @@ static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht,
while ((n = rtnl_dereference(ht->ht[h])) != NULL) {
RCU_INIT_POINTER(ht->ht[h],
rtnl_dereference(n->next));
+ tp_c->knodes--;
tcf_unbind_filter(tp, &n->res);
u32_remove_hw_knode(tp, n, extack);
idr_remove(&ht->handle_idr, n->handle);
@@ -1140,6 +1145,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
RCU_INIT_POINTER(n->next, pins);
rcu_assign_pointer(*ins, n);
+ tp_c->knodes++;
*arg = n;
return 0;
}