#define RT6_TRACE(x...) do { ; } while (0)
#endif
-struct rt6_statistics *rt6_stats;
-
static struct kmem_cache * fib6_node_kmem __read_mostly;
enum fib_walk_state_t
static void fib6_prune_clones(struct net *net, struct fib6_node *fn,
struct rt6_info *rt);
-static struct rt6_info * fib6_find_prefix(struct fib6_node *fn);
-static struct fib6_node * fib6_repair_tree(struct fib6_node *fn);
+static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn);
+static struct fib6_node *fib6_repair_tree(struct net *net, struct fib6_node *fn);
static int fib6_walk(struct fib6_walker_t *w);
static int fib6_walk_continue(struct fib6_walker_t *w);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
-static struct fib6_table *fib6_alloc_table(u32 id)
+static struct fib6_table *fib6_alloc_table(struct net *net, u32 id)
{
struct fib6_table *table;
table = kzalloc(sizeof(*table), GFP_ATOMIC);
if (table != NULL) {
table->tb6_id = id;
- table->tb6_root.leaf = &ip6_null_entry;
+ table->tb6_root.leaf = net->ipv6.ip6_null_entry;
table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
}
if (tb)
return tb;
- tb = fib6_alloc_table(id);
+ tb = fib6_alloc_table(net, id);
if (tb != NULL)
fib6_link_table(net, tb);
struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
int flags, pol_lookup_t lookup)
{
- return (struct dst_entry *) lookup(net->ipv6.fib6_main_tbl, fl, flags);
+ return (struct dst_entry *) lookup(net, net->ipv6.fib6_main_tbl, fl, flags);
}
static void fib6_tables_init(struct net *net)
static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
unsigned int h, s_h;
unsigned int e = 0, s_e;
struct rt6_rtnl_dump_arg arg;
rt->rt6i_node = fn;
atomic_inc(&rt->rt6i_ref);
inet6_rt_notify(RTM_NEWROUTE, rt, info);
- rt6_stats->fib_rt_entries++;
+ info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
if ((fn->fn_flags & RTN_RTINFO) == 0) {
- rt6_stats->fib_route_nodes++;
+ info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
if (sfn == NULL)
goto st_failure;
- sfn->leaf = &ip6_null_entry;
- atomic_inc(&ip6_null_entry.rt6i_ref);
+ sfn->leaf = info->nl_net->ipv6.ip6_null_entry;
+ atomic_inc(&info->nl_net->ipv6.ip6_null_entry->rt6i_ref);
sfn->fn_flags = RTN_ROOT;
sfn->fn_sernum = fib6_new_sernum();
* If fib6_add_1 has cleared the old leaf pointer in the
* super-tree leaf node we have to find a new one for it.
*/
+ if (pn != fn && pn->leaf == rt) {
+ pn->leaf = NULL;
+ atomic_dec(&rt->rt6i_ref);
+ }
if (pn != fn && !pn->leaf && !(pn->fn_flags & RTN_RTINFO)) {
- pn->leaf = fib6_find_prefix(pn);
+ pn->leaf = fib6_find_prefix(info->nl_net, pn);
#if RT6_DEBUG >= 2
if (!pn->leaf) {
BUG_TRAP(pn->leaf != NULL);
- pn->leaf = &ip6_null_entry;
+ pn->leaf = info->nl_net->ipv6.ip6_null_entry;
}
#endif
atomic_inc(&pn->leaf->rt6i_ref);
*/
st_failure:
if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
- fib6_repair_tree(fn);
+ fib6_repair_tree(info->nl_net, fn);
dst_free(&rt->u.dst);
return err;
#endif
*
*/
-static struct rt6_info * fib6_find_prefix(struct fib6_node *fn)
+static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn)
{
if (fn->fn_flags&RTN_ROOT)
- return &ip6_null_entry;
+ return net->ipv6.ip6_null_entry;
while(fn) {
if(fn->left)
* is the node we want to try and remove.
*/
-static struct fib6_node * fib6_repair_tree(struct fib6_node *fn)
+static struct fib6_node *fib6_repair_tree(struct net *net,
+ struct fib6_node *fn)
{
int children;
int nstate;
|| (children && fn->fn_flags&RTN_ROOT)
#endif
) {
- fn->leaf = fib6_find_prefix(fn);
+ fn->leaf = fib6_find_prefix(net, fn);
#if RT6_DEBUG >= 2
if (fn->leaf==NULL) {
BUG_TRAP(fn->leaf);
- fn->leaf = &ip6_null_entry;
+ fn->leaf = net->ipv6.ip6_null_entry;
}
#endif
atomic_inc(&fn->leaf->rt6i_ref);
{
struct fib6_walker_t *w;
struct rt6_info *rt = *rtp;
+ struct net *net = info->nl_net;
RT6_TRACE("fib6_del_route\n");
/* Unlink it */
*rtp = rt->u.dst.rt6_next;
rt->rt6i_node = NULL;
- rt6_stats->fib_rt_entries--;
- rt6_stats->fib_discarded_routes++;
+ net->ipv6.rt6_stats->fib_rt_entries--;
+ net->ipv6.rt6_stats->fib_discarded_routes++;
/* Reset round-robin state, if necessary */
if (fn->rr_ptr == rt)
/* If it was last route, expunge its radix tree node */
if (fn->leaf == NULL) {
fn->fn_flags &= ~RTN_RTINFO;
- rt6_stats->fib_route_nodes--;
- fn = fib6_repair_tree(fn);
+ net->ipv6.rt6_stats->fib_route_nodes--;
+ fn = fib6_repair_tree(net, fn);
}
if (atomic_read(&rt->rt6i_ref) != 1) {
*/
while (fn) {
if (!(fn->fn_flags&RTN_RTINFO) && fn->leaf == rt) {
- fn->leaf = fib6_find_prefix(fn);
+ fn->leaf = fib6_find_prefix(net, fn);
atomic_inc(&fn->leaf->rt6i_ref);
rt6_release(rt);
}
int fib6_del(struct rt6_info *rt, struct nl_info *info)
{
+ struct net *net = info->nl_net;
struct fib6_node *fn = rt->rt6i_node;
struct rt6_info **rtp;
return -ENOENT;
}
#endif
- if (fn == NULL || rt == &ip6_null_entry)
+ if (fn == NULL || rt == net->ipv6.ip6_null_entry)
return -ENOENT;
BUG_TRAP(fn->fn_flags&RTN_RTINFO);
setup_timer(timer, fib6_gc_timer_cb, (unsigned long)net);
net->ipv6.ip6_fib_timer = timer;
+ net->ipv6.rt6_stats = kzalloc(sizeof(*net->ipv6.rt6_stats), GFP_KERNEL);
+ if (!net->ipv6.rt6_stats)
+ goto out_timer;
+
net->ipv6.fib_table_hash =
kzalloc(sizeof(*net->ipv6.fib_table_hash)*FIB_TABLE_HASHSZ,
GFP_KERNEL);
if (!net->ipv6.fib_table_hash)
- goto out_timer;
+ goto out_rt6_stats;
net->ipv6.fib6_main_tbl = kzalloc(sizeof(*net->ipv6.fib6_main_tbl),
GFP_KERNEL);
goto out_fib_table_hash;
net->ipv6.fib6_main_tbl->tb6_id = RT6_TABLE_MAIN;
- net->ipv6.fib6_main_tbl->tb6_root.leaf = &ip6_null_entry;
+ net->ipv6.fib6_main_tbl->tb6_root.leaf = net->ipv6.ip6_null_entry;
net->ipv6.fib6_main_tbl->tb6_root.fn_flags =
RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
if (!net->ipv6.fib6_local_tbl)
goto out_fib6_main_tbl;
net->ipv6.fib6_local_tbl->tb6_id = RT6_TABLE_LOCAL;
- net->ipv6.fib6_local_tbl->tb6_root.leaf = &ip6_null_entry;
+ net->ipv6.fib6_local_tbl->tb6_root.leaf = net->ipv6.ip6_null_entry;
net->ipv6.fib6_local_tbl->tb6_root.fn_flags =
RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
#endif
#endif
out_fib_table_hash:
kfree(net->ipv6.fib_table_hash);
+out_rt6_stats:
+ kfree(net->ipv6.rt6_stats);
out_timer:
kfree(timer);
goto out;
static void fib6_net_exit(struct net *net)
{
- del_timer(net->ipv6.ip6_fib_timer);
+ rt6_ifdown(net, NULL);
+ del_timer_sync(net->ipv6.ip6_fib_timer);
kfree(net->ipv6.ip6_fib_timer);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
kfree(net->ipv6.fib6_local_tbl);
#endif
kfree(net->ipv6.fib6_main_tbl);
kfree(net->ipv6.fib_table_hash);
+ kfree(net->ipv6.rt6_stats);
}
static struct pernet_operations fib6_net_ops = {
if (!fib6_node_kmem)
goto out;
- ret = -ENOMEM;
- rt6_stats = kzalloc(sizeof(*rt6_stats), GFP_KERNEL);
- if (!rt6_stats)
- goto out_kmem_cache_create;
-
ret = register_pernet_subsys(&fib6_net_ops);
if (ret)
- goto out_rt6_stats;
+ goto out_kmem_cache_create;
ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib);
if (ret)
out_unregister_subsys:
unregister_pernet_subsys(&fib6_net_ops);
-out_rt6_stats:
- kfree(rt6_stats);
out_kmem_cache_create:
kmem_cache_destroy(fib6_node_kmem);
goto out;
void fib6_gc_cleanup(void)
{
unregister_pernet_subsys(&fib6_net_ops);
- kfree(rt6_stats);
kmem_cache_destroy(fib6_node_kmem);
}