Thanks, looks good to me.

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

On Thu, Apr 21, 2022 at 1:11 AM Ihar Hrachyshka <[email protected]> wrote:

> When a binding switches to another chassis via requested-chassis
> option, controller should stop sending periodic garps for the port.
>
> Signed-off-by: Ihar Hrachyshka <[email protected]>
> ---
> v1: initial commit
> v2: don't add to sset instead of later deleting it explicitly from the
>     set
> ---
>  controller/pinctrl.c |  5 ++-
>  tests/ovn.at         | 93 ++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 96 insertions(+), 2 deletions(-)
>
> diff --git a/controller/pinctrl.c b/controller/pinctrl.c
> index 25b37ee88..f16f96ae5 100644
> --- a/controller/pinctrl.c
> +++ b/controller/pinctrl.c
> @@ -5523,7 +5523,7 @@ get_localnet_vifs_l3gwports(
>              }
>              const struct sbrec_port_binding *pb
>                  = lport_lookup_by_name(sbrec_port_binding_by_name,
> iface_id);
> -            if (!pb) {
> +            if (!pb || pb->chassis != chassis) {
>                  continue;
>              }
>              struct local_datapath *ld
> @@ -5781,7 +5781,8 @@ send_garp_rarp_prepare(struct ovsdb_idl_txn
> *ovnsb_idl_txn,
>          const struct sbrec_port_binding *pb = lport_lookup_by_name(
>              sbrec_port_binding_by_name, iface_id);
>          if (pb) {
> -            send_garp_rarp_update(ovnsb_idl_txn,
> sbrec_mac_binding_by_lport_ip,
> +            send_garp_rarp_update(ovnsb_idl_txn,
> +                                  sbrec_mac_binding_by_lport_ip,
>                                    local_datapaths, pb, &nat_addresses);
>          }
>      }
> diff --git a/tests/ovn.at b/tests/ovn.at
> index f9551b843..afcf828f3 100644
> --- a/tests/ovn.at
> +++ b/tests/ovn.at
> @@ -14113,6 +14113,99 @@ OVN_CLEANUP([hv1],[hv2])
>  AT_CLEANUP
>  ])
>
> +OVN_FOR_EACH_NORTHD([
> +AT_SETUP([garps disabled when port no longer bound to chassis])
> +ovn_start
> +
> +net_add n1
> +for i in 1 2; do
> +    sim_add hv$i
> +    as hv$i
> +    check ovs-vsctl add-br br-phys
> +    ovn_attach n1 br-phys 192.168.0.$i
> +    check ovs-vsctl set open .
> external-ids:ovn-bridge-mappings=phys:br-phys
> +done
> +
> +check ovn-nbctl ls-add ls0
> +check ovn-nbctl lsp-add ls0 port
> +check ovn-nbctl lsp-set-addresses port "00:00:00:00:00:01 10.0.0.1"
> +
> +check ovn-nbctl lsp-add ls0 public
> +check ovn-nbctl lsp-set-addresses public unknown
> +check ovn-nbctl lsp-set-type public localnet
> +check ovn-nbctl lsp-set-options public network_name=phys
> +
> +for hv in hv1 hv2; do
> +    as $hv check ovs-vsctl -- add-port br-int port -- \
> +        set Interface port external-ids:iface-id=port \
> +        options:tx_pcap=$hv/port-tx.pcap \
> +        options:rxq_pcap=$hv/port-rx.pcap
> +done
> +
> +reset_pcap_file() {
> +    local hv=$1
> +    local iface=$2
> +    local pcap_file=$3
> +    as $hv check ovs-vsctl -- set Interface $iface
> options:tx_pcap=dummy-tx.pcap \
> +
>  options:rxq_pcap=dummy-rx.pcap
> +    check rm -f ${pcap_file}*.pcap
> +    as $hv check ovs-vsctl -- set Interface $iface
> options:tx_pcap=${pcap_file}-tx.pcap \
> +
>  options:rxq_pcap=${pcap_file}-rx.pcap
> +}
> +
> +reset_env() {
> +    reset_pcap_file hv1 br-phys_n1 hv1/br-phys_n1
> +    reset_pcap_file hv2 br-phys_n1 hv2/br-phys_n1
> +
> +    for port in hv1/n1 hv2/n1; do
> +        : > $port.expected
> +    done
> +}
> +
> +for hv in hv1 hv2; do
> +    wait_row_count Chassis 1 name=$hv
> +done
> +hv1_uuid=$(fetch_column Chassis _uuid name=hv1)
> +hv2_uuid=$(fetch_column Chassis _uuid name=hv2)
> +
> +OVN_POPULATE_ARP
> +
> +# Activate port on each hv giving a chance to each chassis to enable garps
> +check ovn-nbctl lsp-set-options port requested-chassis=hv1
> +wait_column "$hv1_uuid" Port_Binding chassis logical_port=port
> +wait_column "$hv1_uuid" Port_Binding requested_chassis logical_port=port
> +wait_for_ports_up
> +reset_env
> +
> +# give chassis some time to generate garps
> +sleep 2
> +
>
> +expected_garp=ffffffffffff000000000001080600010800060400010000000000010a0000010000000000000a000001
> +
> +# check hv1 sends garps and hv2 doesn't
> +echo $expected_garp >> hv1/n1.expected
> +OVN_CHECK_PACKETS_CONTAIN([hv1/br-phys_n1-tx.pcap], [hv1/n1.expected])
> +OVN_CHECK_PACKETS([hv2/br-phys_n1-tx.pcap], [hv2/n1.expected])
> +
> +check ovn-nbctl lsp-set-options port requested-chassis=hv2
> +wait_column "$hv2_uuid" Port_Binding chassis logical_port=port
> +wait_column "$hv2_uuid" Port_Binding requested_chassis logical_port=port
> +wait_for_ports_up
> +reset_env
> +
> +# give chassis some time to generate garps
> +sleep 2
> +
> +# check hv2 sends garps and hv1 doesn't
> +echo $expected_garp >> hv2/n1.expected
> +OVN_CHECK_PACKETS([hv1/br-phys_n1-tx.pcap], [hv1/n1.expected])
> +OVN_CHECK_PACKETS_CONTAIN([hv2/br-phys_n1-tx.pcap], [hv2/n1.expected])
> +
> +OVN_CLEANUP([hv1],[hv2])
> +
> +AT_CLEANUP
> +])
> +
>  OVN_FOR_EACH_NORTHD([
>  AT_SETUP([IPv6 periodic RA disabled for localnet adjacent switch ports])
>  ovn_start
> --
> 2.34.1
>
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> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>
>

-- 

Ales Musil

Senior Software Engineer - RHV Network

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

[email protected]    IM: amusil
<https://red.ht/sig>
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