#define xfrm_state_deref_prot(table, net) \
rcu_dereference_protected((table), lockdep_is_held(&(net)->xfrm.xfrm_state_lock))
+static void xfrm_state_gc_task(struct work_struct *work);
+
/* Each xfrm_state may be linked to two tables:
1. Hash table by (spi,daddr,ah/esp) to find SA by SPI. (input,ctl)
static unsigned int xfrm_state_hashmax __read_mostly = 1 * 1024 * 1024;
static __read_mostly seqcount_t xfrm_state_hash_generation = SEQCNT_ZERO(xfrm_state_hash_generation);
+static DECLARE_WORK(xfrm_state_gc_work, xfrm_state_gc_task);
+static HLIST_HEAD(xfrm_state_gc_list);
+
static inline bool xfrm_state_hold_rcu(struct xfrm_state __rcu *x)
{
return atomic_inc_not_zero(&x->refcnt);
static void xfrm_state_gc_task(struct work_struct *work)
{
- struct net *net = container_of(work, struct net, xfrm.state_gc_work);
struct xfrm_state *x;
struct hlist_node *tmp;
struct hlist_head gc_list;
spin_lock_bh(&xfrm_state_gc_lock);
- hlist_move_list(&net->xfrm.state_gc_list, &gc_list);
+ hlist_move_list(&xfrm_state_gc_list, &gc_list);
spin_unlock_bh(&xfrm_state_gc_lock);
synchronize_rcu();
void __xfrm_state_destroy(struct xfrm_state *x)
{
- struct net *net = xs_net(x);
-
WARN_ON(x->km.state != XFRM_STATE_DEAD);
spin_lock_bh(&xfrm_state_gc_lock);
- hlist_add_head(&x->gclist, &net->xfrm.state_gc_list);
+ hlist_add_head(&x->gclist, &xfrm_state_gc_list);
spin_unlock_bh(&xfrm_state_gc_lock);
- schedule_work(&net->xfrm.state_gc_work);
+ schedule_work(&xfrm_state_gc_work);
}
EXPORT_SYMBOL(__xfrm_state_destroy);
net->xfrm.state_num = 0;
INIT_WORK(&net->xfrm.state_hash_work, xfrm_hash_resize);
- INIT_HLIST_HEAD(&net->xfrm.state_gc_list);
- INIT_WORK(&net->xfrm.state_gc_work, xfrm_state_gc_task);
spin_lock_init(&net->xfrm.xfrm_state_lock);
return 0;
flush_work(&net->xfrm.state_hash_work);
xfrm_state_flush(net, IPSEC_PROTO_ANY, false);
- flush_work(&net->xfrm.state_gc_work);
+ flush_work(&xfrm_state_gc_work);
WARN_ON(!list_empty(&net->xfrm.state_all));