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Diffstat (limited to 'net/ipv6/ip6_fib.c')
-rw-r--r--net/ipv6/ip6_fib.c55
1 files changed, 6 insertions, 49 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 7772f42ff2b9..4fc2cae0d116 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -160,8 +160,6 @@ struct fib6_info *fib6_info_alloc(gfp_t gfp_flags, bool with_fib6_nh)
INIT_LIST_HEAD(&f6i->fib6_siblings);
refcount_set(&f6i->fib6_ref, 1);
- INIT_HLIST_NODE(&f6i->gc_link);
-
return f6i;
}
@@ -248,7 +246,6 @@ static struct fib6_table *fib6_alloc_table(struct net *net, u32 id)
net->ipv6.fib6_null_entry);
table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
inet_peer_base_init(&table->tb6_peers);
- INIT_HLIST_HEAD(&table->tb6_gc_hlist);
}
return table;
@@ -1060,8 +1057,6 @@ static void fib6_purge_rt(struct fib6_info *rt, struct fib6_node *fn,
lockdep_is_held(&table->tb6_lock));
}
}
-
- fib6_clean_expires_locked(rt);
}
/*
@@ -1123,10 +1118,9 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
if (!(iter->fib6_flags & RTF_EXPIRES))
return -EEXIST;
if (!(rt->fib6_flags & RTF_EXPIRES))
- fib6_clean_expires_locked(iter);
+ fib6_clean_expires(iter);
else
- fib6_set_expires_locked(iter,
- rt->expires);
+ fib6_set_expires(iter, rt->expires);
if (rt->fib6_pmtu)
fib6_metric_set(iter, RTAX_MTU,
@@ -1485,10 +1479,6 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
if (rt->nh)
list_add(&rt->nh_list, &rt->nh->f6i_list);
__fib6_update_sernum_upto_root(rt, fib6_new_sernum(info->nl_net));
-
- if (fib6_has_expires(rt))
- hlist_add_head(&rt->gc_link, &table->tb6_gc_hlist);
-
fib6_start_gc(info->nl_net, rt);
}
@@ -2291,8 +2281,9 @@ static void fib6_flush_trees(struct net *net)
* Garbage collection
*/
-static int fib6_age(struct fib6_info *rt, struct fib6_gc_args *gc_args)
+static int fib6_age(struct fib6_info *rt, void *arg)
{
+ struct fib6_gc_args *gc_args = arg;
unsigned long now = jiffies;
/*
@@ -2300,7 +2291,7 @@ static int fib6_age(struct fib6_info *rt, struct fib6_gc_args *gc_args)
* Routes are expired even if they are in use.
*/
- if (fib6_has_expires(rt) && rt->expires) {
+ if (rt->fib6_flags & RTF_EXPIRES && rt->expires) {
if (time_after(now, rt->expires)) {
RT6_TRACE("expiring %p\n", rt);
return -1;
@@ -2317,40 +2308,6 @@ static int fib6_age(struct fib6_info *rt, struct fib6_gc_args *gc_args)
return 0;
}
-static void fib6_gc_table(struct net *net,
- struct fib6_table *tb6,
- struct fib6_gc_args *gc_args)
-{
- struct fib6_info *rt;
- struct hlist_node *n;
- struct nl_info info = {
- .nl_net = net,
- .skip_notify = false,
- };
-
- hlist_for_each_entry_safe(rt, n, &tb6->tb6_gc_hlist, gc_link)
- if (fib6_age(rt, gc_args) == -1)
- fib6_del(rt, &info);
-}
-
-static void fib6_gc_all(struct net *net, struct fib6_gc_args *gc_args)
-{
- struct fib6_table *table;
- struct hlist_head *head;
- unsigned int h;
-
- rcu_read_lock();
- for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
- head = &net->ipv6.fib_table_hash[h];
- hlist_for_each_entry_rcu(table, head, tb6_hlist) {
- spin_lock_bh(&table->tb6_lock);
- fib6_gc_table(net, table, gc_args);
- spin_unlock_bh(&table->tb6_lock);
- }
- }
- rcu_read_unlock();
-}
-
void fib6_run_gc(unsigned long expires, struct net *net, bool force)
{
struct fib6_gc_args gc_args;
@@ -2366,7 +2323,7 @@ void fib6_run_gc(unsigned long expires, struct net *net, bool force)
net->ipv6.sysctl.ip6_rt_gc_interval;
gc_args.more = 0;
- fib6_gc_all(net, &gc_args);
+ fib6_clean_all(net, fib6_age, &gc_args);
now = jiffies;
net->ipv6.ip6_rt_last_gc = now;