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ipv6: fib: Add FIB notifiers callbacks

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We're about to add IPv6 FIB offload support, so implement the necessary
callbacks in IPv6 code, which will later allow us to add routes and
rules notifications.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2017-08-03 13:28:16 +02:00
committed by David S. Miller
parent e3ea973159
commit 16ab6d7d4d
5 changed files with 75 additions and 1 deletions
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7
net/ipv6/ip6_fib.c
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@@ -1839,6 +1839,11 @@ static void fib6_gc_timer_cb(unsigned long arg)
static int __net_init fib6_net_init(struct net *net)
{
size_t size = sizeof(struct hlist_head) * FIB6_TABLE_HASHSZ;
int err;
err = fib6_notifier_init(net);
if (err)
return err;
spin_lock_init(&net->ipv6.fib6_gc_lock);
rwlock_init(&net->ipv6.fib6_walker_lock);
@@ -1891,6 +1896,7 @@ out_fib_table_hash:
out_rt6_stats:
kfree(net->ipv6.rt6_stats);
out_timer:
fib6_notifier_exit(net);
return -ENOMEM;
}
@@ -1907,6 +1913,7 @@ static void fib6_net_exit(struct net *net)
kfree(net->ipv6.fib6_main_tbl);
kfree(net->ipv6.fib_table_hash);
kfree(net->ipv6.rt6_stats);
fib6_notifier_exit(net);
}
static struct pernet_operations fib6_net_ops = {