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datapath: backport: iptunnel: make rx/tx bytes counters consistent

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Upstream commit:
commit bc22a0e2ea03b75b51a1f722f93821744b5b5ff1
Author: Nicolas Dichtel <nicolas.dichtel@6wind.com>

    iptunnel: make rx/tx bytes counters consistent

    This was already done a long time ago in
    commit 64194c31a0b6 ("inet: Make tunnel RX/TX byte counters more consistent")
    but tx path was broken (at least since 3.10).

    Before the patch the gre header was included on tx.

    After the patch:
    $ ping -c1 192.168.0.121 ; ip -s l ls dev gre1
    PING 192.168.0.121 (192.168.0.121) 56(84) bytes of data.
    64 bytes from 192.168.0.121: icmp_req=1 ttl=64 time=2.95 ms

    --- 192.168.0.121 ping statistics ---
    1 packets transmitted, 1 received, 0% packet loss, time 0ms
    rtt min/avg/max/mdev = 2.955/2.955/2.955/0.000 ms
    7: gre1@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1468 qdisc noqueue state UNKNOWN mode DEFAULT group default
        link/gre 10.16.0.249 peer 10.16.0.121
        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

    Reported-by: Julien Meunier <julien.meunier@6wind.com>
    Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jesse Gross <jesse@kernel.org>
This commit is contained in:
Pravin B Shelar
2016-07-08 16:37:34 -07:00
parent f6d7086935
commit ea997e5945
1 changed files with 1 additions and 1 deletions
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2
datapath/linux/compat/ip_tunnels_core.c
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@@ -43,7 +43,7 @@ void rpl_iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
__be16 df, bool xnet)
{
struct net_device *dev = skb->dev;
int pkt_len = skb->len;
int pkt_len = skb->len - skb_inner_network_offset(skb);
struct iphdr *iph;
int err;