[ovs-dev] [RFC ovn 3/3] northd: interoduce logical flow for localnet egress shaping
Dumitru Ceara
dceara at redhat.com
Fri Sep 13 14:13:09 UTC 2019
On Wed, Sep 11, 2019 at 7:22 PM Lorenzo Bianconi
<lorenzo.bianconi at redhat.com> wrote:
>
> Add set_queue() action for qos capable localnet port in
> S_SWITCH_OUT_PORT_SEC_L2 stage of logical switch pipeline
>
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi at redhat.com>
> ---
> northd/ovn-northd.8.xml | 7 ++++++-
> northd/ovn-northd.c | 12 +++++++++++-
> 2 files changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/northd/ovn-northd.8.xml b/northd/ovn-northd.8.xml
> index b34ef687a..d28f8965c 100644
> --- a/northd/ovn-northd.8.xml
> +++ b/northd/ovn-northd.8.xml
> @@ -1150,10 +1150,15 @@ output;
> <code>eth.dst</code> are always accepted instead of being subject to the
> port security rules; this is implemented through a priority-100 flow that
> matches on <code>eth.mcast</code> with action <code>output;</code>.
> - Finally, to ensure that even broadcast and multicast packets are not
> + Moreover, to ensure that even broadcast and multicast packets are not
> delivered to disabled logical ports, a priority-150 flow for each
> disabled logical <code>outport</code> overrides the priority-100 flow
> with a <code>drop;</code> action.
> + Finally if egress qos has been enabled on a localnet port, the outgoing
> + queue id is set through <code>set_queue</code> action. Please remember to
> + mark the corresponding physical interface with
> + <code>ovn-egress-iface</code> set to true in <ref column="external_ids"
> + table="Interface" db="Open_vSwitch"/>
> </p>
>
> <h2>Logical Router Datapaths</h2>
> diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c
> index 889eeb795..5bae035b3 100644
> --- a/northd/ovn-northd.c
> +++ b/northd/ovn-northd.c
> @@ -5681,10 +5681,20 @@ build_lswitch_flows(struct hmap *datapaths, struct hmap *ports,
> ds_clear(&match);
> ds_put_format(&match, "outport == %s", op->json_key);
> if (lsp_is_enabled(op->nbsp)) {
> + ds_clear(&actions);
> +
> + if (!strcmp(op->nbsp->type, "localnet")) {
> + const char *queue_id = smap_get(&op->sb->options,
> + "qdisc_queue_id");
> + if (queue_id) {
> + ds_put_format(&actions, "set_queue(%s); ", queue_id);
> + }
> + }
Hi Lorenzo,
Might be nice to refactor this and add a build_qos() function and also
call it in build_lswitch_flows().
Thanks,
Dumitru
> + ds_put_cstr(&actions, "output;");
> build_port_security_l2("eth.dst", op->ps_addrs, op->n_ps_addrs,
> &match);
> ovn_lflow_add(lflows, op->od, S_SWITCH_OUT_PORT_SEC_L2, 50,
> - ds_cstr(&match), "output;");
> + ds_cstr(&match), ds_cstr(&actions));
> } else {
> ovn_lflow_add(lflows, op->od, S_SWITCH_OUT_PORT_SEC_L2, 150,
> ds_cstr(&match), "drop;");
> --
> 2.21.0
>
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