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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, 5 insertions, 3 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index cd2cfb04e5d8..18a3794b0f52 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -989,6 +989,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL);
dsfield = key->tos;
+ if (!(tun_info->key.tun_flags & TUNNEL_ERSPAN_OPT))
+ goto tx_err;
md = ip_tunnel_info_opts(tun_info);
if (!md)
goto tx_err;
@@ -1127,7 +1129,7 @@ static void ip6gre_tnl_link_config_route(struct ip6_tnl *t, int set_mtu,
return;
if (rt->dst.dev) {
- dev->hard_header_len = rt->dst.dev->hard_header_len +
+ dev->needed_headroom = rt->dst.dev->hard_header_len +
t_hlen;
if (set_mtu) {
@@ -1153,7 +1155,7 @@ static int ip6gre_calc_hlen(struct ip6_tnl *tunnel)
tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen;
t_hlen = tunnel->hlen + sizeof(struct ipv6hdr);
- tunnel->dev->hard_header_len = LL_MAX_HEADER + t_hlen;
+ tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen;
return t_hlen;
}
@@ -1823,7 +1825,7 @@ static int ip6erspan_calc_hlen(struct ip6_tnl *tunnel)
erspan_hdr_len(tunnel->parms.erspan_ver);
t_hlen = tunnel->hlen + sizeof(struct ipv6hdr);
- tunnel->dev->hard_header_len = LL_MAX_HEADER + t_hlen;
+ tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen;
return t_hlen;
}