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path: root/net/ipv6/ip6_gre.c
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Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index af503f518278..776d145113e1 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -468,7 +468,7 @@ static int gre_rcv(struct sk_buff *skb)
bool csum_err = false;
int hdr_len;
- hdr_len = gre_parse_header(skb, &tpi, &csum_err, htons(ETH_P_IPV6));
+ hdr_len = gre_parse_header(skb, &tpi, &csum_err, htons(ETH_P_IPV6), 0);
if (hdr_len < 0)
goto drop;
@@ -712,6 +712,7 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
fl6->daddr = p->raddr;
fl6->flowi6_oif = p->link;
fl6->flowlabel = 0;
+ fl6->flowi6_proto = IPPROTO_GRE;
if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS))
fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
@@ -1027,6 +1028,8 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
dev->hard_header_len = LL_MAX_HEADER + t_hlen;
dev->mtu = ETH_DATA_LEN - t_hlen;
+ if (dev->type == ARPHRD_ETHER)
+ dev->mtu -= ETH_HLEN;
if (!(tunnel->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
dev->mtu -= 8;
@@ -1253,6 +1256,8 @@ static int ip6gre_tap_init(struct net_device *dev)
if (ret)
return ret;
+ dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+
tunnel = netdev_priv(dev);
ip6gre_tnl_link_config(tunnel, 1);
@@ -1286,6 +1291,7 @@ static void ip6gre_tap_setup(struct net_device *dev)
dev->features |= NETIF_F_NETNS_LOCAL;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
+ dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
}
static bool ip6gre_netlink_encap_parms(struct nlattr *data[],