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path: root/net/netfilter/nfnetlink_cttimeout.c
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Diffstat (limited to 'net/netfilter/nfnetlink_cttimeout.c')
-rw-r--r--net/netfilter/nfnetlink_cttimeout.c54
1 files changed, 15 insertions, 39 deletions
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index a3e7bb54d96a..400e9ae97153 100644
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -69,7 +69,8 @@ ctnl_timeout_parse_policy(void *timeouts, struct nf_conntrack_l4proto *l4proto,
static int cttimeout_new_timeout(struct net *net, struct sock *ctnl,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
- const struct nlattr * const cda[])
+ const struct nlattr * const cda[],
+ struct netlink_ext_ack *extack)
{
__u16 l3num;
__u8 l4num;
@@ -239,7 +240,8 @@ ctnl_timeout_dump(struct sk_buff *skb, struct netlink_callback *cb)
static int cttimeout_get_timeout(struct net *net, struct sock *ctnl,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
- const struct nlattr * const cda[])
+ const struct nlattr * const cda[],
+ struct netlink_ext_ack *extack)
{
int ret = -ENOENT;
char *name;
@@ -287,49 +289,20 @@ static int cttimeout_get_timeout(struct net *net, struct sock *ctnl,
return ret;
}
-static void untimeout(struct nf_conntrack_tuple_hash *i,
- struct ctnl_timeout *timeout)
+static int untimeout(struct nf_conn *ct, void *timeout)
{
- struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(i);
struct nf_conn_timeout *timeout_ext = nf_ct_timeout_find(ct);
if (timeout_ext && (!timeout || timeout_ext->timeout == timeout))
RCU_INIT_POINTER(timeout_ext->timeout, NULL);
+
+ /* We are not intended to delete this conntrack. */
+ return 0;
}
static void ctnl_untimeout(struct net *net, struct ctnl_timeout *timeout)
{
- struct nf_conntrack_tuple_hash *h;
- const struct hlist_nulls_node *nn;
- unsigned int last_hsize;
- spinlock_t *lock;
- int i, cpu;
-
- for_each_possible_cpu(cpu) {
- struct ct_pcpu *pcpu = per_cpu_ptr(net->ct.pcpu_lists, cpu);
-
- spin_lock_bh(&pcpu->lock);
- hlist_nulls_for_each_entry(h, nn, &pcpu->unconfirmed, hnnode)
- untimeout(h, timeout);
- spin_unlock_bh(&pcpu->lock);
- }
-
- local_bh_disable();
-restart:
- last_hsize = nf_conntrack_htable_size;
- for (i = 0; i < last_hsize; i++) {
- lock = &nf_conntrack_locks[i % CONNTRACK_LOCKS];
- nf_conntrack_lock(lock);
- if (last_hsize != nf_conntrack_htable_size) {
- spin_unlock(lock);
- goto restart;
- }
-
- hlist_nulls_for_each_entry(h, nn, &nf_conntrack_hash[i], hnnode)
- untimeout(h, timeout);
- spin_unlock(lock);
- }
- local_bh_enable();
+ nf_ct_iterate_cleanup_net(net, untimeout, timeout, 0, 0);
}
/* try to delete object, fail if it is still in use. */
@@ -355,7 +328,8 @@ static int ctnl_timeout_try_del(struct net *net, struct ctnl_timeout *timeout)
static int cttimeout_del_timeout(struct net *net, struct sock *ctnl,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
- const struct nlattr * const cda[])
+ const struct nlattr * const cda[],
+ struct netlink_ext_ack *extack)
{
struct ctnl_timeout *cur, *tmp;
int ret = -ENOENT;
@@ -386,7 +360,8 @@ static int cttimeout_del_timeout(struct net *net, struct sock *ctnl,
static int cttimeout_default_set(struct net *net, struct sock *ctnl,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
- const struct nlattr * const cda[])
+ const struct nlattr * const cda[],
+ struct netlink_ext_ack *extack)
{
__u16 l3num;
__u8 l4num;
@@ -475,7 +450,8 @@ nla_put_failure:
static int cttimeout_default_get(struct net *net, struct sock *ctnl,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
- const struct nlattr * const cda[])
+ const struct nlattr * const cda[],
+ struct netlink_ext_ack *extack)
{
__u16 l3num;
__u8 l4num;