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Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 1bf328182697..bd0679d90519 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -400,25 +400,14 @@ static int ipgre_rcv(struct sk_buff *skb, const struct tnl_ptk_info *tpi)
if (tunnel) {
skb_pop_mac_header(skb);
if (tunnel->collect_md) {
- struct ip_tunnel_info *info;
+ __be16 flags;
+ __be64 tun_id;
- tun_dst = metadata_dst_alloc(0, GFP_ATOMIC);
+ flags = tpi->flags & (TUNNEL_CSUM | TUNNEL_KEY);
+ tun_id = key_to_tunnel_id(tpi->key);
+ tun_dst = ip_tun_rx_dst(skb, flags, tun_id, 0);
if (!tun_dst)
return PACKET_REJECT;
-
- info = &tun_dst->u.tun_info;
- info->key.u.ipv4.src = iph->saddr;
- info->key.u.ipv4.dst = iph->daddr;
- info->key.tos = iph->tos;
- info->key.ttl = iph->ttl;
-
- info->mode = IP_TUNNEL_INFO_RX;
- info->key.tun_flags = tpi->flags &
- (TUNNEL_CSUM | TUNNEL_KEY);
- info->key.tun_id = key_to_tunnel_id(tpi->key);
-
- info->key.tp_src = 0;
- info->key.tp_dst = 0;
}
ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
@@ -522,7 +511,8 @@ static void gre_fb_xmit(struct sk_buff *skb, struct net_device *dev)
int err;
tun_info = skb_tunnel_info(skb);
- if (unlikely(!tun_info || tun_info->mode != IP_TUNNEL_INFO_TX))
+ if (unlikely(!tun_info || !(tun_info->mode & IP_TUNNEL_INFO_TX) ||
+ ip_tunnel_info_af(tun_info) != AF_INET))
goto err_free_skb;
key = &tun_info->key;