[ovs-git] [openvswitch/ovs] bc92e8: erspan: set erspan_ver to 1 by default when adding...

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Thu Sep 6 22:58:18 UTC 2018


  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: bc92e8a4788f63e4728d32f2d5baba080ede4004
      https://github.com/openvswitch/ovs/commit/bc92e8a4788f63e4728d32f2d5baba080ede4004
  Author: Xin Long <lucien.xin at gmail.com>
  Date:   2018-09-06 (Thu, 06 Sep 2018)

  Changed paths:
    M datapath/linux/compat/ip6_gre.c
    M datapath/linux/compat/ip_gre.c

  Log Message:
  -----------
  erspan: set erspan_ver to 1 by default when adding an erspan dev

Upstream commit:
    commit 84581bdae9587023cea1d139523f0ef0f28bd88d
    Author: Xin Long <lucien.xin at gmail.com>
    Date:   Mon Aug 27 18:41:32 2018 +0800

    erspan: set erspan_ver to 1 by default when adding an erspan dev

    After erspan_ver is introudced, if erspan_ver is not set in iproute, its
    value will be left 0 by default. Since Commit 02f99df1875c ("erspan: fix
    invalid erspan version."), it has broken the traffic due to the version
    check in erspan_xmit if users are not aware of 'erspan_ver' param, like
    using an old version of iproute.

    To fix this compatibility problem, it sets erspan_ver to 1 by default
    when adding an erspan dev in erspan_setup. Note that we can't do it in
    ipgre_netlink_parms, as this function is also used by ipgre_changelink.

    Fixes: 02f99df1875c ("erspan: fix invalid erspan version.")
    Reported-by: Jianlin Shi <jishi at redhat.com>
    Signed-off-by: Xin Long <lucien.xin at gmail.com>
    Signed-off-by: David S. Miller <davem at davemloft.net>

Fixes: 5e720da59d ("erspan: fix invalid erspan version.")
Cc: Xin Long <lucien.xin at gmail.com>
Signed-off-by: Greg Rose <gvrose8192 at gmail.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>



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