On Tue, Oct 1, 2024 at 5:17 PM Xavier Simonart <[email protected]> wrote:

> Delete flows on localnet port deletion, and add localnet
> related flows when peer ports are added. This was properly done when
> recomputing, but not when doing IP.
>
> When peer ports are added, some flows such as chassis_mac flows
> must be added.
>
> Signed-off-by: Xavier Simonart <[email protected]>
>
> ---
> v2: rebase on origin/main for scapy fix.
> ---
>  controller/physical.c |  9 ++++---
>  tests/ovn.at          | 58 +++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 63 insertions(+), 4 deletions(-)
>
> diff --git a/controller/physical.c b/controller/physical.c
> index 16e312f9d..762a2e756 100644
> --- a/controller/physical.c
> +++ b/controller/physical.c
> @@ -699,7 +699,7 @@ put_replace_chassis_mac_flows(const struct shash
> *ct_zones,
>          put_resubmit(OFTABLE_LOG_INGRESS_PIPELINE, ofpacts_p);
>          ofctrl_add_flow(flow_table, OFTABLE_PHY_TO_LOG, 180,
>                          rport_binding->header_.uuid.parts[0],
> -                        &match, ofpacts_p, hc_uuid);
> +                        &match, ofpacts_p, &localnet_port->header_.uuid);
>
>          /* Provide second search criteria, i.e localnet port's
>           * vlan ID for conjunction flow */
> @@ -719,7 +719,7 @@ put_replace_chassis_mac_flows(const struct shash
> *ct_zones,
>          conj->clause = 1;
>          ofctrl_add_flow(flow_table, OFTABLE_PHY_TO_LOG, 180,
>                          rport_binding->header_.uuid.parts[0],
> -                        &match, ofpacts_p, hc_uuid);
> +                        &match, ofpacts_p, &localnet_port->header_.uuid);
>      }
>  }
>
> @@ -2392,8 +2392,9 @@ physical_handle_flows_for_lport(const struct
> sbrec_port_binding *pb,
>      struct local_datapath *ldp =
>          get_local_datapath(p_ctx->local_datapaths,
>                             pb->datapath->tunnel_key);
> -    if (!strcmp(pb->type, "external")) {
> -        /* External lports have a dependency on the localnet port.
> +    if (!strcmp(pb->type, "external") ||
> +        !strcmp(pb->type, "patch") || !strcmp(pb->type, "l3gateway")) {
> +        /* Those lports have a dependency on the localnet port.
>           * We need to remove the flows of the localnet port as well
>           * and re-consider adding the flows for it.
>           */
> diff --git a/tests/ovn.at b/tests/ovn.at
> index 826b52051..d2b14be53 100644
> --- a/tests/ovn.at
> +++ b/tests/ovn.at
> @@ -39011,3 +39011,61 @@ OVN_CLEANUP([hv1],[hv2])
>
>  AT_CLEANUP
>  ])
> +
> +OVN_FOR_EACH_NORTHD([
> +AT_SETUP([localnet port flows after deletion])
> +ovn_start
> +net_add n1
> +
> +check ovn-nbctl ls-add sw0
> +
> +for i in 1 2; do
> +    check ovn-nbctl lsp-add sw0 sw0-p${i} -- lsp-set-addresses sw0-p${i}
> "00:00:10:01:02:0${i} 10.0.0.${i}"
> +    sim_add hv${i}
> +    as hv${i}
> +    ovs-vsctl add-br br-phys
> +    ovn_attach n1 br-phys 192.168.0.${i}
> +    ovs-vsctl set open . external_ids:ovn-bridge-mappings=physnet1:br-phys
> +    ovs-vsctl add-port br-int vif${i} -- \
> +        set Interface vif${i} external-ids:iface-id=sw0-p${i} \
> +                              options:tx_pcap=hv${i}/vif${i}-tx.pcap \
> +                              options:rxq_pcap=hv${i}/vif${i}-rx.pcap
> +done
> +
> +check ovn-nbctl lr-add lr0
> +check ovn-nbctl lrp-add lr0 lr0-sw0 00:00:00:00:ff:01 10.0.0.254/24
> +check ovn-nbctl lsp-add sw0 sw0-lr0
> +check ovn-nbctl lsp-set-type sw0-lr0 router
> +check ovn-nbctl lsp-set-addresses sw0-lr0 router
> +check ovn-nbctl lsp-set-options sw0-lr0 router-port=lr0-sw0
> +
> +check ovn-nbctl --wait=hv sync
> +wait_for_ports_up
> +
> +# We should not have any flows in table OFTABLE_PHY_TO_LOG from in_port
> different from vif1 and ovn-hv2-0
> +OVN_WAIT_REMOTE_INPUT_FLOWS(["hv1"],["hv2"])
> +of1=$(as hv1 ovs-vsctl --bare --columns ofport find Interface name=vif1)
> +of2=$(as hv1 ovs-vsctl --bare --columns ofport find Interface
> name=ovn-hv2-0)
> +AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=OFTABLE_PHY_TO_LOG |
> grep -v NXST_FLOW | grep "in_port=" | grep -v "in_port=$of1" | grep -v
> "in_port=$of2" | wc -l], [0], [dnl
> +0
> +])
> +
> +# Add localnet port to sw0
> +check ovn-nbctl lsp-add sw0 ln-sw0 -- lsp-set-addresses ln-sw0 unknown --
> lsp-set-type ln-sw0 localnet
> +check ovn-nbctl --wait=hv lsp-set-options ln-sw0 network_name=physnet1 --
> set logical_switch_port ln-sw0 tag_request=100
> +
> +OVN_WAIT_PATCH_PORT_FLOWS(["ln-sw0"], ["hv1"])
> +AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=OFTABLE_PHY_TO_LOG |
> grep -v NXST_FLOW | grep "in_port=" | grep -v "in_port=$of1" | grep -v
> "in_port=$of2" | wc -l], [0], [dnl
> +2
> +])
> +
> +# Remove localnet port from sw0. Peer-ports flows should be deleted.
> +check ovn-nbctl --wait=hv lsp-del ln-sw0
> +AT_CHECK([as hv1 ovs-ofctl dump-flows br-int table=OFTABLE_PHY_TO_LOG |
> grep -v NXST_FLOW | grep "in_port=" | grep -v "in_port=$of1" | grep -v
> "in_port=$of2" | wc -l], [0], [dnl
> +0
> +])
> +
> +OVN_CLEANUP([hv1],[hv2])
> +
> +AT_CLEANUP
> +])
> --
> 2.31.1
>
> _______________________________________________
> dev mailing list
> [email protected]
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>
>
Looks good to me, thanks.

Acked-by: Ales Musil <[email protected]>


-- 

Ales Musil

Senior Software Engineer - OVN Core

Red Hat EMEA <https://www.redhat.com>

[email protected]
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