diff options
Diffstat (limited to 'net/ipv4/ip_tunnel_core.c')
| -rw-r--r-- | net/ipv4/ip_tunnel_core.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 9a0e67b52a4e..c3f3d28d1087 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -252,6 +252,14 @@ static int ip_tun_build_state(struct nlattr *attr, tun_info = lwt_tun_info(new_state); +#ifdef CONFIG_DST_CACHE + err = dst_cache_init(&tun_info->dst_cache, GFP_KERNEL); + if (err) { + lwtstate_free(new_state); + return err; + } +#endif + if (tb[LWTUNNEL_IP_ID]) tun_info->key.tun_id = nla_get_be64(tb[LWTUNNEL_IP_ID]); @@ -278,6 +286,15 @@ static int ip_tun_build_state(struct nlattr *attr, return 0; } +static void ip_tun_destroy_state(struct lwtunnel_state *lwtstate) +{ +#ifdef CONFIG_DST_CACHE + struct ip_tunnel_info *tun_info = lwt_tun_info(lwtstate); + + dst_cache_destroy(&tun_info->dst_cache); +#endif +} + static int ip_tun_fill_encap_info(struct sk_buff *skb, struct lwtunnel_state *lwtstate) { @@ -313,6 +330,7 @@ static int ip_tun_cmp_encap(struct lwtunnel_state *a, struct lwtunnel_state *b) static const struct lwtunnel_encap_ops ip_tun_lwt_ops = { .build_state = ip_tun_build_state, + .destroy_state = ip_tun_destroy_state, .fill_encap = ip_tun_fill_encap_info, .get_encap_size = ip_tun_encap_nlsize, .cmp_encap = ip_tun_cmp_encap, |