vxlan: add changelink support

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This patch adds changelink rtnl op support for vxlan netdevs.
code changes involve:
    - refactor vxlan_newlink into vxlan_nl2conf to be
    used by vxlan_newlink and vxlan_changelink
    - vxlan_nl2conf and vxlan_dev_configure take a
    changelink argument to isolate changelink checks
    and updates.
    - Allow changing only a few attributes:
        - return -EOPNOTSUPP for attributes that cannot
        be changed for now. Incremental patches can
        make the non-supported one available in the future
        if needed.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Roopa Prabhu 2017-02-20 08:29:19 -08:00 • committed by David S. Miller

parent d1892e4ec9

commit 8bcdc4f3a2

1 changed files with 270 additions and 113 deletions

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drivers/net/vxlan.c

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