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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>
This commit is contained in:
Xin Long 2017-11-11 19:06:51 +08:00 committed by David S. Miller
parent fe1a4ca0a2
commit 383c1f8875
1 changed files with 10 additions and 5 deletions
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15
net/ipv6/ip6_tunnel.c
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@ -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;