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ipv6: translate ICMP_TIME_EXCEEDED to ICMPV6_TIME_EXCEED

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For better traceroute/mtr support for SIT and GRE tunnels,
we translate IPV4 ICMP ICMP_TIME_EXCEEDED to ICMPV6_TIME_EXCEED

We also have to translate the IPv4 source IP address of ICMP
message to IPv6 v4mapped.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-06-18 21:52:04 -07:00 • committed by David S. Miller
parent 5fbba8ac93
commit 2d7a3b276b
3 changed files with 13 additions and 7 deletions
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2
include/linux/icmpv6.h
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@ -18,7 +18,7 @@ typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info,
const struct in6_addr *force_saddr);
extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn);
extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn);
int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs);
int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type);
#else