Re: [Xen-devel] [PATCH 5/5] hotplug/linux: Add IPv6 support to vif-route

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-05-14 at 17:23 +0200, Sylvain Munaut wrote:
> Signed-off-by: Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx>
> ---
>  tools/hotplug/Linux/vif-common.sh |   33 +++++++++++++++++++++++++++++++++
>  tools/hotplug/Linux/vif-route     |   20 +++++++++++++++++++-
>  2 files changed, 52 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/hotplug/Linux/vif-common.sh 
> b/tools/hotplug/Linux/vif-common.sh
> index 2f24274..cd341a33 100644
> --- a/tools/hotplug/Linux/vif-common.sh
> +++ b/tools/hotplug/Linux/vif-common.sh
> @@ -324,3 +324,36 @@ dom0_ip()
>    fi
>    echo "$result"
>  }
> +
> +
> +##
> +# ip6_of interface
> +#
> +# Print the first IPv6 address currently in use at the given interface, or 
> nothing if
> +# the interface is not up.
> +#
> +ip6_of()
> +{
> +        ip -6 addr show primary dev "$1" | perl -wane '/scope global/ && 
> /inet6 (([0-9a-f]+:*)+)/ && print $1;'

Hrm, Perl again. Can this be done with awk? Looks tricky though.

Ian



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