[ovs-dev] [PATCH v9 ovn 0/2] Add IPv6 Prefix delegation (RFC3633)

[Numan Siddique]

On Wed, Apr 1, 2020 at 10:08 PM Lorenzo Bianconi
<lorenzo.bianconi at redhat.com> wrote:
>
> Introduce IPv6 Prefix delegation state machine according to RFC 3633
> https://tools.ietf.org/html/rfc3633.
> Add handle_dhcpv6_reply controller action to parse advertise/reply from
> IPv6 delegation server.
> Introduce logical flows in ovn router pipeline in order to parse dhcpv6
> advertise/reply from IPv6 prefix delegation router.
> This series relies on the following OVS commit:
> https://github.com/openvswitch/ovs/commit/cec89046f72cb044b068ba6a4e30dbcc4292c4c1


Thanks Lorenzo for this series.

Acked-by: Numan Siddique <numans at ovn.org> for the series.

Numan

>
> Changes since v8:
> - move prefixd routine declaration in a common place
> - rely on datapath_is_switch utility routine
> - s/unisgned/uint32_t
> - remove sleep in unit test and rely on ovn utility macros
> - always overwrite interface name and timeout values in dibbler configuration
>
> Changes since v7:
> - fixed a bug inserting the configured prefix as hint in dhcp pd messages
>   restarting ovn controller
> - removed pfd entry from ipv6_prefixd hash if prefix delegation has been
>   disabled for this port
> - check in system-ovn.at that the configured prefix is inserted as hint in dhcp
>   pd messages
>
> Changes since v6:
> - fix documentation
> - convert handle_dhcpv6_reply from netsted to plain action
> - code reworking to reduce cpu utilization
> - insert configured prefix as hint in dhcp pd messages
>
> Changes since v5:
> - introduce ipv6_prefix column in logical_router_port table to save ipv6 prefix
>   received from delegation router
>
> Changes since v4:
> - improve unit test support
> - fix ovn-controller crash
> - confifure prefixes received from delegation router in RA
> - allow the requesting router to rely on lla address for PD protocol
>
> Changes since v3:
> - cosmetics
> - add a provider bridge in the unit-test deployment and add a localnet
>   port to the deployment to access the underlay network
> - request IPv6 prefix even for bar router logical port in the unit-test
>   deployment
>
> Changes since v2:
> - add unitest support in system-ovn.at
>
> Changes since v1:
> - rebase on top of ovn master branch
> - request an IPv6 prefix for each 'downstream' logical router port marked with
>   prefix set to true
> - add missing documentation
> - rename dhcp6_server_pkt in handle_dhcpv6_reply
>
> Lorenzo Bianconi (2):
>   controller: add ipv6 prefix delegation state machine
>   northd: add logical flows for dhcpv6 pfd parsing
>
>  controller/pinctrl.c    | 651 ++++++++++++++++++++++++++++++++++++++++
>  include/ovn/actions.h   |   8 +-
>  lib/actions.c           |  16 +
>  lib/ovn-l7.h            |  19 ++
>  northd/ovn-northd.8.xml |   8 +
>  northd/ovn-northd.c     |  95 +++++-
>  ovn-nb.ovsschema        |   7 +-
>  ovn-nb.xml              |  21 ++
>  ovn-sb.xml              |  18 ++
>  tests/atlocal.in        |   5 +-
>  tests/ovn.at            |   4 +
>  tests/system-ovn.at     | 143 +++++++++
>  utilities/ovn-trace.c   |   2 +
>  13 files changed, 988 insertions(+), 9 deletions(-)
>
> --
> 2.25.1
>
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