[NETNS][IPV6] ip6_fib - fib6_clean_all handle several network namespaces

The function fib6_clean_all takes the network namespace as
parameter. That allows to flush the routes related to a specific
network namespace.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 7b549f0bc428..0f9dc81f0e61 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1350,7 +1350,7 @@ static void fib6_clean_tree(struct fib6_node *root,
         fib6_walk(&c.w);
 }
 
-void fib6_clean_all(int (*func)(struct rt6_info *, void *arg),
+void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
                     int prune, void *arg)
 {
         struct fib6_table *table;
@@ -1360,7 +1360,7 @@ void fib6_clean_all(int (*func)(struct rt6_info *, void *arg),
 
         rcu_read_lock();
         for (h = 0; h < FIB_TABLE_HASHSZ; h++) {
-                head = &init_net.ipv6.fib_table_hash[h];
+                head = &net->ipv6.fib_table_hash[h];
                 hlist_for_each_entry_rcu(table, node, head, tb6_hlist) {
                         write_lock_bh(&table->tb6_lock);
                         fib6_clean_tree(&table->tb6_root, func, prune, arg);
@@ -1450,7 +1450,8 @@ void fib6_run_gc(unsigned long dummy)
         gc_args.more = 0;
 
         icmp6_dst_gc(&gc_args.more);
-        fib6_clean_all(fib6_age, 0, NULL);
+
+        fib6_clean_all(&init_net, fib6_age, 0, NULL);
 
         if (gc_args.more)
                 mod_timer(&ip6_fib_timer, jiffies +