Messages in this thread | | | Date | Wed, 31 Jan 2018 10:30:44 -0500 (EST) | Subject | Re: [PATCH net-next 1/1] rtnetlink: enable IFLA_IF_NETNSID for RTM_NEWLINK | From | David Miller <> |
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From: Christian Brauner <christian.brauner@ubuntu.com> Date: Mon, 29 Jan 2018 18:07:20 +0100
> - Backwards Compatibility: > If userspace wants to determine whether RTM_NEWLINK supports the > IFLA_IF_NETNSID property they should first send an RTM_GETLINK request > with IFLA_IF_NETNSID on lo. If either EACCESS is returned or the reply > does not include IFLA_IF_NETNSID userspace should assume that > IFLA_IF_NETNSID is not supported on this kernel. > If the reply does contain an IFLA_IF_NETNSID property userspace > can send an RTM_NEWLINK with a IFLA_IF_NETNSID property. If they receive > EOPNOTSUPP then the kernel does not support the IFLA_IF_NETNSID property > with RTM_NEWLINK. Userpace should then fallback to other means. > > - Security: > Callers must have CAP_NET_ADMIN in the owning user namespace of the > target network namespace. > > Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Applied.
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