ip6_tunnel: add the process for redirect in ip6_tnl_err
The same process for redirect in "ip6_gre: add the process for redirect
in ip6gre_err" is needed by ip4ip6 and ip6ip6 as well.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 439d65f..a1f704c 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -471,15 +471,16 @@ static int
ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
u8 *type, u8 *code, int *msg, __u32 *info, int offset)
{
- const struct ipv6hdr *ipv6h = (const struct ipv6hdr *) skb->data;
- struct ip6_tnl *t;
- int rel_msg = 0;
+ const struct ipv6hdr *ipv6h = (const struct ipv6hdr *)skb->data;
+ struct net *net = dev_net(skb->dev);
u8 rel_type = ICMPV6_DEST_UNREACH;
u8 rel_code = ICMPV6_ADDR_UNREACH;
- u8 tproto;
__u32 rel_info = 0;
- __u16 len;
+ struct ip6_tnl *t;
int err = -ENOENT;
+ int rel_msg = 0;
+ u8 tproto;
+ __u16 len;
/* If the packet doesn't contain the original IPv6 header we are
in trouble since we might need the source address for further
@@ -543,6 +544,10 @@ ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
rel_msg = 1;
}
break;
+ case NDISC_REDIRECT:
+ ip6_redirect(skb, net, skb->dev->ifindex, 0,
+ sock_net_uid(net, NULL));
+ break;
}
*type = rel_type;