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Diffstat (limited to 'net/ipv6/ip6_fib.c')
-rw-r--r--net/ipv6/ip6_fib.c52
1 files changed, 34 insertions, 18 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 0e93ca5..2f98479 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -93,29 +93,20 @@ static __u32 rt_sernum;
static void fib6_gc_timer_cb(unsigned long arg);
-static struct fib6_walker_t fib6_walker_list = {
- .prev = &fib6_walker_list,
- .next = &fib6_walker_list,
-};
-
-#define FOR_WALKERS(w) for ((w)=fib6_walker_list.next; (w) != &fib6_walker_list; (w)=(w)->next)
+static LIST_HEAD(fib6_walkers);
+#define FOR_WALKERS(w) list_for_each_entry(w, &fib6_walkers, lh)
static inline void fib6_walker_link(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
- w->next = fib6_walker_list.next;
- w->prev = &fib6_walker_list;
- w->next->prev = w;
- w->prev->next = w;
+ list_add(&w->lh, &fib6_walkers);
write_unlock_bh(&fib6_walker_lock);
}
static inline void fib6_walker_unlink(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
- w->next->prev = w->prev;
- w->prev->next = w->next;
- w->prev = w->next = w;
+ list_del(&w->lh);
write_unlock_bh(&fib6_walker_lock);
}
static __inline__ u32 fib6_new_sernum(void)
@@ -239,7 +230,7 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id)
return NULL;
}
-static void fib6_tables_init(struct net *net)
+static void __net_init fib6_tables_init(struct net *net)
{
fib6_link_table(net, net->ipv6.fib6_main_tbl);
fib6_link_table(net, net->ipv6.fib6_local_tbl);
@@ -262,7 +253,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
return (struct dst_entry *) lookup(net, net->ipv6.fib6_main_tbl, fl, flags);
}
-static void fib6_tables_init(struct net *net)
+static void __net_init fib6_tables_init(struct net *net)
{
fib6_link_table(net, net->ipv6.fib6_main_tbl);
}
@@ -319,12 +310,26 @@ static int fib6_dump_table(struct fib6_table *table, struct sk_buff *skb,
w->root = &table->tb6_root;
if (cb->args[4] == 0) {
+ w->count = 0;
+ w->skip = 0;
+
read_lock_bh(&table->tb6_lock);
res = fib6_walk(w);
read_unlock_bh(&table->tb6_lock);
- if (res > 0)
+ if (res > 0) {
cb->args[4] = 1;
+ cb->args[5] = w->root->fn_sernum;
+ }
} else {
+ if (cb->args[5] != w->root->fn_sernum) {
+ /* Begin at the root if the tree changed */
+ cb->args[5] = w->root->fn_sernum;
+ w->state = FWS_INIT;
+ w->node = w->root;
+ w->skip = w->count;
+ } else
+ w->skip = 0;
+
read_lock_bh(&table->tb6_lock);
res = fib6_walk_continue(w);
read_unlock_bh(&table->tb6_lock);
@@ -1250,9 +1255,18 @@ static int fib6_walk_continue(struct fib6_walker_t *w)
w->leaf = fn->leaf;
case FWS_C:
if (w->leaf && fn->fn_flags&RTN_RTINFO) {
- int err = w->func(w);
+ int err;
+
+ if (w->count < w->skip) {
+ w->count++;
+ continue;
+ }
+
+ err = w->func(w);
if (err)
return err;
+
+ w->count++;
continue;
}
w->state = FWS_U;
@@ -1346,6 +1360,8 @@ static void fib6_clean_tree(struct net *net, struct fib6_node *root,
c.w.root = root;
c.w.func = fib6_clean_node;
c.w.prune = prune;
+ c.w.count = 0;
+ c.w.skip = 0;
c.func = func;
c.arg = arg;
c.net = net;
@@ -1469,7 +1485,7 @@ static void fib6_gc_timer_cb(unsigned long arg)
fib6_run_gc(0, (struct net *)arg);
}
-static int fib6_net_init(struct net *net)
+static int __net_init fib6_net_init(struct net *net)
{
setup_timer(&net->ipv6.ip6_fib_timer, fib6_gc_timer_cb, (unsigned long)net);
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