Like the previous patch, which fixes ipv4 tunnels, here is the ipv6 part.
Before the patch, the external ipv6 header + gre header were included on
tx.
After the patch:
$ ping -c1 192.168.6.121 ; ip -s l ls dev ip6gre1
PING 192.168.6.121 (192.168.6.121) 56(84) bytes of data.
64 bytes from 192.168.6.121: icmp_req=1 ttl=64 time=1.92 ms
--- 192.168.6.121 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 1.923/1.923/1.923/0.000 ms
7: ip6gre1@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1440 qdisc noqueue state
UNKNOWN mode DEFAULT group default
link/gre6 20:01:06:60:30:08:c1:c3:00:00:00:00:00:00:01:23 peer
20:01:06:60:30:08:c1:c3:00:00:00:00:00:00:01:21
RX: bytes packets errors dropped overrun mcast
84 1 0 0 0 0
TX: bytes packets errors dropped carrier collsns
84 1 0 0 0 0
$ ping -c1 192.168.1.121 ; ip -s l ls dev ip6tnl1
PING 192.168.1.121 (192.168.1.121) 56(84) bytes of data.
64 bytes from 192.168.1.121: icmp_req=1 ttl=64 time=2.28 ms
--- 192.168.1.121 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 2.288/2.288/2.288/0.000 ms
8: ip6tnl1@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1452 qdisc noqueue state
UNKNOWN mode DEFAULT group default
link/tunnel6 2001:660:3008:c1c3::123 peer 2001:660:3008:c1c3::121
RX: bytes packets errors dropped overrun mcast
84 1 0 0 0 0
TX: bytes packets errors dropped carrier collsns
84 1 0 0 0 0
Signed-off-by: Nicolas Dichtel <[email protected]>
---
include/net/ip6_tunnel.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 65c2a9397b3c..fa915fa0f703 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -86,7 +86,7 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct
sk_buff *skb,
struct net_device_stats *stats = &dev->stats;
int pkt_len, err;
- pkt_len = skb->len;
+ pkt_len = skb->len - skb_inner_network_offset(skb);
err = ip6_local_out_sk(sk, skb);
if (net_xmit_eval(err) == 0) {
--
2.4.2
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