diff options
Diffstat (limited to 'net/ipv6/ip6_gre.c')
| -rw-r--r-- | net/ipv6/ip6_gre.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index c8cf2fdbb13b..18a3794b0f52 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -927,7 +927,6 @@ tx_err: static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) { - struct ipv6hdr *ipv6h = ipv6_hdr(skb); struct ip6_tnl *t = netdev_priv(dev); struct dst_entry *dst = skb_dst(skb); struct net_device_stats *stats; @@ -990,6 +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; @@ -1010,6 +1011,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, goto tx_err; } } else { + struct ipv6hdr *ipv6h = ipv6_hdr(skb); + switch (skb->protocol) { case htons(ETH_P_IP): memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); @@ -1126,7 +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) { @@ -1152,7 +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; } @@ -1822,7 +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; } |