[ovs-dev] [PATCH v9] ovn: Add a new logical switch port type - 'virtual'

Numan Siddique nusiddiq at redhat.com
Tue Jul 23 17:02:22 UTC 2019


Just a gentle ping on this patch. It would be great if it can be accepted
for 2.12.

Thanks
Numan

On Fri, Jul 19, 2019 at 12:53 AM Numan Siddique <nusiddiq at redhat.com> wrote:

>
>
> On Thu, Jul 18, 2019 at 11:20 PM Guru Shetty <guru at ovn.org> wrote:
>
>>
>>
>> On Thu, 18 Jul 2019 at 07:58, <nusiddiq at redhat.com> wrote:
>>
>>> From: Numan Siddique <nusiddiq at redhat.com>
>>>
>>> This new type is added for the following reasons:
>>>
>>>   - When a load balancer is created in an OpenStack deployment with
>>> Octavia
>>>     service, it creates a logical port 'VIP' for the virtual ip.
>>>
>>>   - This logical port is not bound to any VIF.
>>>
>>>   - Octavia service creates a service VM (with another logical port 'P'
>>> which
>>>     belongs to the same logical switch)
>>>
>>>   - The virtual ip 'VIP' is configured on this service VM.
>>>
>>>   - This service VM provides the load balancing for the VIP with the
>>> configured
>>>     backend IPs.
>>>
>>>   - Octavia service can be configured to create few service VMs with
>>> active-standby mode
>>>     with the active VM configured with the VIP.  The VIP can move between
>>>     these service nodes.
>>>
>>> Presently there are few problems:
>>>
>>>   - When a floating ip (externally reachable IP) is associated to the
>>> VIP and if
>>>     the compute nodes have external connectivity then the external
>>> traffic cannot
>>>     reach the VIP using the floating ip as the VIP logical port would be
>>> down.
>>>     dnat_and_snat entry in NAT table for this vip will have
>>> 'external_mac' and
>>>     'logical_port' configured.
>>>
>>>   - The only way to make it work is to clear the 'external_mac' entry so
>>> that
>>>     the gateway chassis does the DNAT for the VIP.
>>>
>>> To solve these problems, this patch proposes a new logical port type -
>>> virtual.
>>> CMS when creating the logical port for the VIP, should
>>>
>>>  - set the type as 'virtual'
>>>
>>>  - configure the VIP in the options -
>>> Logical_Switch_Port.options:virtual-ip
>>>
>>>  - And set the virtual parents in the options
>>>    Logical_Switch_Port.options:virtual-parents.
>>>    These virtual parents are the one which can be configured with the
>>> VIP.
>>>
>>> If suppose the virtual_ip is configured to 10.0.0.10 on a virtual
>>> logical port 'sw0-vip'
>>> and the virtual_parents are set to - [sw0-p1, sw0-p2] then below logical
>>> flows are added in the
>>> lsp_in_arp_rsp logical switch pipeline
>>>
>>>  - table=11(ls_in_arp_rsp), priority=100,
>>>    match=(inport == "sw0-p1" && !is_chassis_resident("sw0-vip") &&
>>>           ((arp.op == 1 && arp.spa == 10.0.0.10 && arp.tpa == 10.0.0.10)
>>> ||
>>>            (arp.op == 2 && arp.spa == 10.0.0.10))),
>>>    action=(bind_vport("sw0-vip", inport); next;)
>>> - table=11(ls_in_arp_rsp), priority=100,
>>>    match=(inport == "sw0-p2" && !is_chassis_resident("sw0-vip") &&
>>>           ((arp.op == 1 && arp.spa == 10.0.0.10 && arp.tpa == 10.0.0.10)
>>> ||
>>>            (arp.op == 2 && arp.spa == 10.0.0.10))),
>>>    action=(bind_vport("sw0-vip", inport); next;)
>>>
>>> The action bind_vport will claim the logical port - sw0-vip on the
>>> chassis where this action
>>> is executed. Since the port - sw0-vip is claimed by a chassis, the
>>> dnat_and_snat rule for
>>> the VIP will be handled by the compute node.
>>>
>>> Co-authored-by: Ben Pfaff <blp at ovn.org>
>>> Signed-off-by: Numan Siddique <nusiddiq at redhat.com>
>>>
>>
>> Thanks for answering the questions. Looks like Ben already looked at the
>> code styling etc. I only looked at the logic. It felt like the right way
>> would have been to update NB with the active backend. But you probably
>> don't get that information. So, it looks okay to solve it this way. But
>> openstack will likely keep adding more things and you will likely have to
>> keep adding more such new types of logical ports.
>>
>
> Thanks for the review. I agree. I hope this will be the last patch to
> address open stack specific ones :).
>
> Although we may have a problem when CMS keeps updating the VIP with the
> active backend.
> There could be a mac_binding entry for the VIP in south db and when the
> VIP moves from one logical port to other,
> we may resolve the wrong or old mac for the VIP.
>
> We have to  some how delete stale mac_Binding table entries. There is
> already a thread started by Daniel on this topic.
>
> Thanks
> Numan
>
>
>
>>
>> Acked-by: Gurucharan Shetty <guru at ovn.org>
>>
>>
>>> ---
>>> v8 -> v9
>>> =======
>>>  * Added entry in NEWS.
>>>
>>> v7 -> v8
>>> =======
>>>  * Applied the code suggestions from Ben.
>>>
>>> v6 -> v7
>>> ========
>>>  * Resolved merge conflicts.
>>>
>>> v5 -> v6
>>> ========
>>>  * Resolved conflicts after rebasing to latest master in tests/ovn.at
>>>
>>> v4 -> v5
>>> =======
>>>  * Rebased to master to resolve merge conflicts.
>>>
>>> v3 -> v4
>>> =======
>>>   * Addressed the review comment and removed the code in northd which
>>>     referenced the Southbound db state while adding the logical flows.
>>> Instead
>>>     using the ovn match - is_chassis_resident() - which I should have
>>> used
>>>     it in the first place.
>>>
>>> v2 -> v3
>>> =======
>>>   * Addressed the review comments from Ben - deleted the new columns -
>>>     virtual_ip and virtual_parents from Logical_Switch_Port and instead
>>>     is making use of options column for this purpose.
>>>
>>> v1 -> v2
>>> ========
>>>   * In v1, was not updating the 'put_vport_binding' struct if it already
>>>     exists in the put_vport_bindings hmap in the function -
>>>     pinctrl_handle_bind_vport().
>>>     In v2 handled it.
>>>   * Improved the if else check in binding.c when releasing the lports.
>>>
>>>
>>>  NEWS                        |   1 +
>>>  include/ovn/actions.h       |  18 ++-
>>>  ovn/controller/binding.c    |  30 +++-
>>>  ovn/controller/pinctrl.c    | 174 ++++++++++++++++++++
>>>  ovn/lib/actions.c           |  59 +++++++
>>>  ovn/lib/ovn-util.c          |   1 +
>>>  ovn/northd/ovn-northd.8.xml |  61 ++++++-
>>>  ovn/northd/ovn-northd.c     | 306 +++++++++++++++++++++++++++---------
>>>  ovn/ovn-nb.xml              |  45 ++++++
>>>  ovn/ovn-sb.ovsschema        |   6 +-
>>>  ovn/ovn-sb.xml              |  46 ++++++
>>>  ovn/utilities/ovn-trace.c   |   3 +
>>>  tests/ovn.at                | 290 ++++++++++++++++++++++++++++++++++
>>>  tests/test-ovn.c            |   1 +
>>>  14 files changed, 954 insertions(+), 87 deletions(-)
>>>
>>> diff --git a/NEWS b/NEWS
>>> index feae994e8..c2698d2e3 100644
>>> --- a/NEWS
>>> +++ b/NEWS
>>> @@ -55,6 +55,7 @@ Post-v2.11.0
>>>         logical groups which results in tunnels only been formed between
>>>         members of the same transport zone(s).
>>>       * Support for IGMP Snooping and IGMP Querier.
>>> +     * Support for new logical switch port type - 'virtual'.
>>>     - New QoS type "linux-netem" on Linux.
>>>     - Added support for TLS Server Name Indication (SNI).
>>>     - Linux datapath:
>>> diff --git a/include/ovn/actions.h b/include/ovn/actions.h
>>> index 63d3907d8..0ca06537c 100644
>>> --- a/include/ovn/actions.h
>>> +++ b/include/ovn/actions.h
>>> @@ -85,7 +85,8 @@ struct ovn_extend_table;
>>>      OVNACT(SET_METER,         ovnact_set_meter)       \
>>>      OVNACT(OVNFIELD_LOAD,     ovnact_load)            \
>>>      OVNACT(CHECK_PKT_LARGER,  ovnact_check_pkt_larger) \
>>> -    OVNACT(TRIGGER_EVENT,     ovnact_controller_event)
>>> +    OVNACT(TRIGGER_EVENT,     ovnact_controller_event) \
>>> +    OVNACT(BIND_VPORT,        ovnact_bind_vport)
>>>
>>>  /* enum ovnact_type, with a member OVNACT_<ENUM> for each action. */
>>>  enum OVS_PACKED_ENUM ovnact_type {
>>> @@ -328,6 +329,13 @@ struct ovnact_controller_event {
>>>      size_t n_options;
>>>  };
>>>
>>> +/* OVNACT_BIND_VPORT. */
>>> +struct ovnact_bind_vport {
>>> +    struct ovnact ovnact;
>>> +    char *vport;
>>> +    struct expr_field vport_parent;     /* Logical virtual port's port
>>> name. */
>>> +};
>>> +
>>>  /* Internal use by the helpers below. */
>>>  void ovnact_init(struct ovnact *, enum ovnact_type, size_t len);
>>>  void *ovnact_put(struct ofpbuf *, enum ovnact_type, size_t len);
>>> @@ -505,6 +513,14 @@ enum action_opcode {
>>>       * Snoop IGMP, learn the multicast participants
>>>       */
>>>      ACTION_OPCODE_IGMP,
>>> +
>>> +    /* "bind_vport(vport, vport_parent)".
>>> +     *
>>> +     *   'vport' follows the action_header, in the format - 32-bit
>>> field.
>>> +     *   'vport_parent' is passed through the packet metadata as
>>> +     *    MFF_LOG_INPORT.
>>> +     */
>>> +    ACTION_OPCODE_BIND_VPORT,
>>>  };
>>>
>>>  /* Header. */
>>> diff --git a/ovn/controller/binding.c b/ovn/controller/binding.c
>>> index ace0f811b..dfe002b60 100644
>>> --- a/ovn/controller/binding.c
>>> +++ b/ovn/controller/binding.c
>>> @@ -571,11 +571,31 @@ consider_local_datapath(struct ovsdb_idl_txn
>>> *ovnsb_idl_txn,
>>>                  sbrec_port_binding_set_encap(binding_rec, encap_rec);
>>>              }
>>>          } else if (binding_rec->chassis == chassis_rec) {
>>> -            VLOG_INFO("Releasing lport %s from this chassis.",
>>> -                      binding_rec->logical_port);
>>> -            if (binding_rec->encap)
>>> -                sbrec_port_binding_set_encap(binding_rec, NULL);
>>> -            sbrec_port_binding_set_chassis(binding_rec, NULL);
>>> +            if (!strcmp(binding_rec->type, "virtual")) {
>>> +                /* pinctrl module takes care of binding the ports
>>> +                 * of type 'virtual'.
>>> +                 * Release such ports if their virtual parents are no
>>> +                 * longer claimed by this chassis. */
>>> +                const struct sbrec_port_binding *parent
>>> +                    = lport_lookup_by_name(sbrec_port_binding_by_name,
>>> +                                        binding_rec->virtual_parent);
>>> +                if (!parent || parent->chassis != chassis_rec) {
>>> +                    VLOG_INFO("Releasing lport %s from this chassis.",
>>> +                            binding_rec->logical_port);
>>> +                    if (binding_rec->encap) {
>>> +                        sbrec_port_binding_set_encap(binding_rec, NULL);
>>> +                    }
>>> +                    sbrec_port_binding_set_chassis(binding_rec, NULL);
>>> +                    sbrec_port_binding_set_virtual_parent(binding_rec,
>>> NULL);
>>> +                }
>>> +            } else {
>>> +                VLOG_INFO("Releasing lport %s from this chassis.",
>>> +                          binding_rec->logical_port);
>>> +                if (binding_rec->encap) {
>>> +                    sbrec_port_binding_set_encap(binding_rec, NULL);
>>> +                }
>>> +                sbrec_port_binding_set_chassis(binding_rec, NULL);
>>> +            }
>>>          } else if (our_chassis) {
>>>              static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5,
>>> 1);
>>>              VLOG_INFO_RL(&rl,
>>> diff --git a/ovn/controller/pinctrl.c b/ovn/controller/pinctrl.c
>>> index d857067a5..357050eb5 100644
>>> --- a/ovn/controller/pinctrl.c
>>> +++ b/ovn/controller/pinctrl.c
>>> @@ -273,9 +273,22 @@ static void pinctrl_ip_mcast_handle_igmp(
>>>
>>>  static bool may_inject_pkts(void);
>>>
>>> +static void init_put_vport_bindings(void);
>>> +static void destroy_put_vport_bindings(void);
>>> +static void run_put_vport_bindings(
>>> +    struct ovsdb_idl_txn *ovnsb_idl_txn,
>>> +    struct ovsdb_idl_index *sbrec_datapath_binding_by_key,
>>> +    struct ovsdb_idl_index *sbrec_port_binding_by_key,
>>> +    const struct sbrec_chassis *chassis)
>>> +    OVS_REQUIRES(pinctrl_mutex);
>>> +static void wait_put_vport_bindings(struct ovsdb_idl_txn
>>> *ovnsb_idl_txn);
>>> +static void pinctrl_handle_bind_vport(const struct flow *md,
>>> +                                      struct ofpbuf *userdata);
>>> +
>>>  COVERAGE_DEFINE(pinctrl_drop_put_mac_binding);
>>>  COVERAGE_DEFINE(pinctrl_drop_buffered_packets_map);
>>>  COVERAGE_DEFINE(pinctrl_drop_controller_event);
>>> +COVERAGE_DEFINE(pinctrl_drop_put_vport_binding);
>>>
>>>  struct empty_lb_backends_event {
>>>      struct hmap_node hmap_node;
>>> @@ -432,6 +445,7 @@ pinctrl_init(void)
>>>      init_buffered_packets_map();
>>>      init_event_table();
>>>      ip_mcast_snoop_init();
>>> +    init_put_vport_bindings();
>>>      pinctrl.br_int_name = NULL;
>>>      pinctrl_handler_seq = seq_create();
>>>      pinctrl_main_seq = seq_create();
>>> @@ -1957,6 +1971,12 @@ process_packet_in(struct rconn *swconn, const
>>> struct ofp_header *msg)
>>>          ovs_mutex_unlock(&pinctrl_mutex);
>>>          break;
>>>
>>> +    case ACTION_OPCODE_BIND_VPORT:
>>> +        ovs_mutex_lock(&pinctrl_mutex);
>>> +        pinctrl_handle_bind_vport(&pin.flow_metadata.flow, &userdata);
>>> +        ovs_mutex_unlock(&pinctrl_mutex);
>>> +        break;
>>> +
>>>      default:
>>>          VLOG_WARN_RL(&rl, "unrecognized packet-in opcode %"PRIu32,
>>>                       ntohl(ah->opcode));
>>> @@ -2135,6 +2155,8 @@ pinctrl_run(struct ovsdb_idl_txn *ovnsb_idl_txn,
>>>      run_put_mac_bindings(ovnsb_idl_txn, sbrec_datapath_binding_by_key,
>>>                           sbrec_port_binding_by_key,
>>>                           sbrec_mac_binding_by_lport_ip);
>>> +    run_put_vport_bindings(ovnsb_idl_txn, sbrec_datapath_binding_by_key,
>>> +                           sbrec_port_binding_by_key, chassis);
>>>      send_garp_prepare(sbrec_port_binding_by_datapath,
>>>                        sbrec_port_binding_by_name, br_int, chassis,
>>>                        local_datapaths, active_tunnels);
>>> @@ -2481,6 +2503,7 @@ pinctrl_wait(struct ovsdb_idl_txn *ovnsb_idl_txn)
>>>  {
>>>      wait_put_mac_bindings(ovnsb_idl_txn);
>>>      wait_controller_event(ovnsb_idl_txn);
>>> +    wait_put_vport_bindings(ovnsb_idl_txn);
>>>      int64_t new_seq = seq_read(pinctrl_main_seq);
>>>      seq_wait(pinctrl_main_seq, new_seq);
>>>  }
>>> @@ -2498,6 +2521,7 @@ pinctrl_destroy(void)
>>>      destroy_buffered_packets_map();
>>>      event_table_destroy();
>>>      destroy_put_mac_bindings();
>>> +    destroy_put_vport_bindings();
>>>      destroy_dns_cache();
>>>      ip_mcast_snoop_destroy();
>>>      seq_destroy(pinctrl_main_seq);
>>> @@ -4341,3 +4365,153 @@ pinctrl_handle_event(struct ofpbuf *userdata)
>>>          return;
>>>      }
>>>  }
>>> +
>>> +struct put_vport_binding {
>>> +    struct hmap_node hmap_node;
>>> +
>>> +    /* Key and value. */
>>> +    uint32_t dp_key;
>>> +    uint32_t vport_key;
>>> +
>>> +    uint32_t vport_parent_key;
>>> +};
>>> +
>>> +/* Contains "struct put_vport_binding"s. */
>>> +static struct hmap put_vport_bindings;
>>> +
>>> +static void
>>> +init_put_vport_bindings(void)
>>> +{
>>> +    hmap_init(&put_vport_bindings);
>>> +}
>>> +
>>> +static void
>>> +flush_put_vport_bindings(void)
>>> +{
>>> +    struct put_vport_binding *vport_b;
>>> +    HMAP_FOR_EACH_POP (vport_b, hmap_node, &put_vport_bindings) {
>>> +        free(vport_b);
>>> +    }
>>> +}
>>> +
>>> +static void
>>> +destroy_put_vport_bindings(void)
>>> +{
>>> +    flush_put_vport_bindings();
>>> +    hmap_destroy(&put_vport_bindings);
>>> +}
>>> +
>>> +static void
>>> +wait_put_vport_bindings(struct ovsdb_idl_txn *ovnsb_idl_txn)
>>> +{
>>> +    if (ovnsb_idl_txn && !hmap_is_empty(&put_vport_bindings)) {
>>> +        poll_immediate_wake();
>>> +    }
>>> +}
>>> +
>>> +static struct put_vport_binding *
>>> +pinctrl_find_put_vport_binding(uint32_t dp_key, uint32_t vport_key,
>>> +                               uint32_t hash)
>>> +{
>>> +    struct put_vport_binding *vpb;
>>> +    HMAP_FOR_EACH_WITH_HASH (vpb, hmap_node, hash, &put_vport_bindings)
>>> {
>>> +        if (vpb->dp_key == dp_key && vpb->vport_key == vport_key) {
>>> +            return vpb;
>>> +        }
>>> +    }
>>> +    return NULL;
>>> +}
>>> +
>>> +static void
>>> +run_put_vport_binding(struct ovsdb_idl_txn *ovnsb_idl_txn OVS_UNUSED,
>>> +                      struct ovsdb_idl_index
>>> *sbrec_datapath_binding_by_key,
>>> +                      struct ovsdb_idl_index *sbrec_port_binding_by_key,
>>> +                      const struct sbrec_chassis *chassis,
>>> +                      const struct put_vport_binding *vpb)
>>> +{
>>> +    /* Convert logical datapath and logical port key into lport. */
>>> +    const struct sbrec_port_binding *pb = lport_lookup_by_key(
>>> +        sbrec_datapath_binding_by_key, sbrec_port_binding_by_key,
>>> +        vpb->dp_key, vpb->vport_key);
>>> +    if (!pb) {
>>> +        static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
>>> +
>>> +        VLOG_WARN_RL(&rl, "unknown logical port with datapath %"PRIu32"
>>> "
>>> +                     "and port %"PRIu32, vpb->dp_key, vpb->vport_key);
>>> +        return;
>>> +    }
>>> +
>>> +    /* pinctrl module updates the port binding only for type 'virtual'.
>>> */
>>> +    if (!strcmp(pb->type, "virtual")) {
>>> +        const struct sbrec_port_binding *parent = lport_lookup_by_key(
>>> +        sbrec_datapath_binding_by_key, sbrec_port_binding_by_key,
>>> +        vpb->dp_key, vpb->vport_parent_key);
>>> +        if (parent) {
>>> +            VLOG_INFO("Claiming virtual lport %s for this chassis "
>>> +                       "with the virtual parent %s",
>>> +                       pb->logical_port, parent->logical_port);
>>> +            sbrec_port_binding_set_chassis(pb, chassis);
>>> +            sbrec_port_binding_set_virtual_parent(pb,
>>> parent->logical_port);
>>> +        }
>>> +    }
>>> +}
>>> +
>>> +/* Called by pinctrl_run(). Runs with in the main ovn-controller
>>> + * thread context. */
>>> +static void
>>> +run_put_vport_bindings(struct ovsdb_idl_txn *ovnsb_idl_txn,
>>> +                      struct ovsdb_idl_index
>>> *sbrec_datapath_binding_by_key,
>>> +                      struct ovsdb_idl_index *sbrec_port_binding_by_key,
>>> +                      const struct sbrec_chassis *chassis)
>>> +    OVS_REQUIRES(pinctrl_mutex)
>>> +{
>>> +    if (!ovnsb_idl_txn) {
>>> +        return;
>>> +    }
>>> +
>>> +    const struct put_vport_binding *vpb;
>>> +    HMAP_FOR_EACH (vpb, hmap_node, &put_vport_bindings) {
>>> +        run_put_vport_binding(ovnsb_idl_txn,
>>> sbrec_datapath_binding_by_key,
>>> +                              sbrec_port_binding_by_key, chassis, vpb);
>>> +    }
>>> +
>>> +    flush_put_vport_bindings();
>>> +}
>>> +
>>> +/* Called with in the pinctrl_handler thread context. */
>>> +static void
>>> +pinctrl_handle_bind_vport(
>>> +    const struct flow *md, struct ofpbuf *userdata)
>>> +    OVS_REQUIRES(pinctrl_mutex)
>>> +{
>>> +    /* Get the datapath key from the packet metadata. */
>>> +    uint32_t dp_key = ntohll(md->metadata);
>>> +    uint32_t vport_parent_key = md->regs[MFF_LOG_INPORT - MFF_REG0];
>>> +
>>> +    /* Get the virtual port key from the userdata buffer. */
>>> +    uint32_t *vport_key = ofpbuf_try_pull(userdata, sizeof *vport_key);
>>> +
>>> +    if (!vport_key) {
>>> +        return;
>>> +    }
>>> +
>>> +    uint32_t hash = hash_2words(dp_key, *vport_key);
>>> +
>>> +    struct put_vport_binding *vpb
>>> +        = pinctrl_find_put_vport_binding(dp_key, *vport_key, hash);
>>> +    if (!vpb) {
>>> +        if (hmap_count(&put_vport_bindings) >= 1000) {
>>> +            COVERAGE_INC(pinctrl_drop_put_vport_binding);
>>> +            return;
>>> +        }
>>> +
>>> +        vpb = xmalloc(sizeof *vpb);
>>> +        hmap_insert(&put_vport_bindings, &vpb->hmap_node, hash);
>>> +    }
>>> +
>>> +    vpb->dp_key = dp_key;
>>> +    vpb->vport_key = *vport_key;
>>> +    vpb->vport_parent_key = vport_parent_key;
>>> +
>>> +    notify_pinctrl_main();
>>> +}
>>> diff --git a/ovn/lib/actions.c b/ovn/lib/actions.c
>>> index 4eacc44ed..66916a837 100644
>>> --- a/ovn/lib/actions.c
>>> +++ b/ovn/lib/actions.c
>>> @@ -2599,6 +2599,63 @@ ovnact_check_pkt_larger_free(struct
>>> ovnact_check_pkt_larger *cipl OVS_UNUSED)
>>>  {
>>>  }
>>>
>>> +static void
>>> +parse_bind_vport(struct action_context *ctx)
>>> +{
>>> +    if (!lexer_force_match(ctx->lexer, LEX_T_LPAREN)) {
>>> +        return;
>>> +    }
>>> +
>>> +    if (ctx->lexer->token.type != LEX_T_STRING) {
>>> +        lexer_syntax_error(ctx->lexer, "expecting port name string");
>>> +        return;
>>> +    }
>>> +
>>> +    struct ovnact_bind_vport *bind_vp =
>>> ovnact_put_BIND_VPORT(ctx->ovnacts);
>>> +    bind_vp->vport = xstrdup(ctx->lexer->token.s);
>>> +    lexer_get(ctx->lexer);
>>> +    (void) (lexer_force_match(ctx->lexer, LEX_T_COMMA)
>>> +            && action_parse_field(ctx, 0, false, &bind_vp->vport_parent)
>>> +            && lexer_force_match(ctx->lexer, LEX_T_RPAREN));
>>> +}
>>> +
>>> +static void
>>> +format_BIND_VPORT(const struct ovnact_bind_vport *bind_vp,
>>> +                  struct ds *s )
>>> +{
>>> +    ds_put_format(s, "bind_vport(\"%s\", ", bind_vp->vport);
>>> +    expr_field_format(&bind_vp->vport_parent, s);
>>> +    ds_put_cstr(s, ");");
>>> +}
>>> +
>>> +static void
>>> +encode_BIND_VPORT(const struct ovnact_bind_vport *vp,
>>> +                 const struct ovnact_encode_params *ep,
>>> +                 struct ofpbuf *ofpacts)
>>> +{
>>> +    uint32_t vport_key;
>>> +    if (!ep->lookup_port(ep->aux, vp->vport, &vport_key)) {
>>> +        return;
>>> +    }
>>> +
>>> +    const struct arg args[] = {
>>> +        { expr_resolve_field(&vp->vport_parent), MFF_LOG_INPORT },
>>> +    };
>>> +    encode_setup_args(args, ARRAY_SIZE(args), ofpacts);
>>> +    size_t oc_offset =
>>> encode_start_controller_op(ACTION_OPCODE_BIND_VPORT,
>>> +                                                  false,
>>> NX_CTLR_NO_METER,
>>> +                                                  ofpacts);
>>> +    ofpbuf_put(ofpacts, &vport_key, sizeof(uint32_t));
>>> +    encode_finish_controller_op(oc_offset, ofpacts);
>>> +    encode_restore_args(args, ARRAY_SIZE(args), ofpacts);
>>> +}
>>> +
>>> +static void
>>> +ovnact_bind_vport_free(struct ovnact_bind_vport *bp)
>>> +{
>>> +    free(bp->vport);
>>> +}
>>> +
>>>  /* Parses an assignment or exchange or put_dhcp_opts action. */
>>>  static void
>>>  parse_set_action(struct action_context *ctx)
>>> @@ -2706,6 +2763,8 @@ parse_action(struct action_context *ctx)
>>>          parse_set_meter_action(ctx);
>>>      } else if (lexer_match_id(ctx->lexer, "trigger_event")) {
>>>          parse_trigger_event(ctx,
>>> ovnact_put_TRIGGER_EVENT(ctx->ovnacts));
>>> +    } else if (lexer_match_id(ctx->lexer, "bind_vport")) {
>>> +        parse_bind_vport(ctx);
>>>      } else {
>>>          lexer_syntax_error(ctx->lexer, "expecting action");
>>>      }
>>> diff --git a/ovn/lib/ovn-util.c b/ovn/lib/ovn-util.c
>>> index 0f07d80ac..de745d73f 100644
>>> --- a/ovn/lib/ovn-util.c
>>> +++ b/ovn/lib/ovn-util.c
>>> @@ -326,6 +326,7 @@ static const char *OVN_NB_LSP_TYPES[] = {
>>>      "router",
>>>      "vtep",
>>>      "external",
>>> +    "virtual",
>>>  };
>>>
>>>  bool
>>> diff --git a/ovn/northd/ovn-northd.8.xml b/ovn/northd/ovn-northd.8.xml
>>> index d2267de0e..6ff7aaff1 100644
>>> --- a/ovn/northd/ovn-northd.8.xml
>>> +++ b/ovn/northd/ovn-northd.8.xml
>>> @@ -519,6 +519,34 @@
>>>          some additional flow cost for this and the value appears
>>> limited.
>>>        </li>
>>>
>>> +      <li>
>>> +        <p>
>>> +          If inport <code>V</code> is of type <code>virtual</code> adds
>>> a
>>> +          priority-100 logical flow for each <var>P</var> configured in
>>> the
>>> +          <ref table="Logical_Switch_Port"
>>> column="options:virtual-parents"/>
>>> +          column with the match
>>> +        </p>
>>> +        <pre>
>>> +<code>inport == <var>P</var> &amp;&amp;
>>> !is_chassis_resident(<var>V</var>) &amp;&amp; ((arp.op == 1 &amp;&amp;
>>> arp.spa == <var>VIP</var> &amp;&amp; arp.tpa == <var>VIP</var>) || (arp.op
>>> == 2 &amp;&amp; arp.spa == <var>VIP</var>))</code>
>>> +        </pre>
>>> +
>>> +        <p>
>>> +          and applies the action
>>> +        </p>
>>> +        <pre>
>>> +<code>bind_vport(<var>V</var>, inport);</code>
>>> +        </pre>
>>> +
>>> +        <p>
>>> +         and advances the packet to the next table.
>>> +        </p>
>>> +
>>> +        <p>
>>> +          Where <var>VIP</var> is the virtual ip configured in the
>>> column
>>> +          <ref table="Logical_Switch_Port"
>>> column="options:virtual-ip"/>.
>>> +        </p>
>>> +      </li>
>>> +
>>>        <li>
>>>          <p>
>>>            Priority-50 flows that match ARP requests to each known IP
>>> address
>>> @@ -541,7 +569,8 @@ output;
>>>
>>>          <p>
>>>            These flows are omitted for logical ports (other than router
>>> ports or
>>> -          <code>localport</code> ports) that are down.
>>> +          <code>localport</code> ports) that are down and for logical
>>> ports of
>>> +          type <code>virtual</code>.
>>>          </p>
>>>        </li>
>>>
>>> @@ -588,7 +617,8 @@ nd_na_router {
>>>
>>>          <p>
>>>            These flows are omitted for logical ports (other than router
>>> ports or
>>> -          <code>localport</code> ports) that are down.
>>> +          <code>localport</code> ports) that are down and for logical
>>> ports of
>>> +          type <code>virtual</code>.
>>>          </p>
>>>        </li>
>>>
>>> @@ -2031,6 +2061,33 @@ next;
>>>            <code>eth.dst = <var>E</var>; next;</code>.
>>>          </p>
>>>
>>> +        <p>
>>> +          For each virtual ip <var>A</var> configured on a logical port
>>> +          of type <code>virtual</code> and its virtual parent set in
>>> +          its corresponding <ref db="OVN_Southbound"
>>> table="Port_Binding"/>
>>> +          record and the virtual parent with the Ethernet address
>>> <var>E</var>
>>> +          and the virtual ip is reachable via the router port
>>> <var>P</var>, a
>>> +          priority-100 flow with match <code>outport === <var>P</var>
>>> +          &amp;&amp; reg0 == <var>A</var></code> has actions
>>> +          <code>eth.dst = <var>E</var>; next;</code>.
>>> +        </p>
>>> +
>>> +        <p>
>>> +          For each virtual ip <var>A</var> configured on a logical port
>>> +          of type <code>virtual</code> and its virtual parent
>>> <code>not</code>
>>> +          set in its corresponding
>>> +          <ref db="OVN_Southbound" table="Port_Binding"/>
>>> +          record and the virtual ip <var>A</var> is reachable via the
>>> +          router port <var>P</var>, a
>>> +          priority-100 flow with match <code>outport === <var>P</var>
>>> +          &amp;&amp; reg0 == <var>A</var></code> has actions
>>> +          <code>eth.dst = <var>00:00:00:00:00:00</var>; next;</code>.
>>> +          This flow is added so that the ARP is always resolved for the
>>> +          virtual ip <var>A</var> by generating ARP request and
>>> +          <code>not</code> consulting the MAC_Binding table as it can
>>> have
>>> +          incorrect value for the virtual ip <var>A</var>.
>>> +        </p>
>>> +
>>>          <p>
>>>            For each IPv6 address <var>A</var> whose host is known to have
>>>            Ethernet address <var>E</var> on router port <var>P</var>, a
>>> diff --git a/ovn/northd/ovn-northd.c b/ovn/northd/ovn-northd.c
>>> index eb6c47cad..ae09cf338 100644
>>> --- a/ovn/northd/ovn-northd.c
>>> +++ b/ovn/northd/ovn-northd.c
>>> @@ -4878,96 +4878,146 @@ build_lswitch_flows(struct hmap *datapaths,
>>> struct hmap *ports,
>>>              continue;
>>>          }
>>>
>>> -        /*
>>> -         * Add ARP/ND reply flows if either the
>>> -         *  - port is up or
>>> -         *  - port type is router or
>>> -         *  - port type is localport
>>> -         */
>>> -        if (!lsp_is_up(op->nbsp) && strcmp(op->nbsp->type, "router") &&
>>> -            strcmp(op->nbsp->type, "localport")) {
>>> -            continue;
>>> -        }
>>> +        if (!strcmp(op->nbsp->type, "virtual")) {
>>> +            /* Handle
>>> +             *  - GARPs for virtual ip which belongs to a logical port
>>> +             *    of type 'virtual' and bind that port.
>>> +             *
>>> +             *  - ARP reply from the virtual ip which belongs to a
>>> logical
>>> +             *    port of type 'virtual' and bind that port.
>>> +             * */
>>> +            ovs_be32 ip;
>>> +            const char *virtual_ip = smap_get(&op->nbsp->options,
>>> +                                              "virtual-ip");
>>> +            const char *virtual_parents = smap_get(&op->nbsp->options,
>>> +                                                   "virtual-parents");
>>> +            if (!virtual_ip || !virtual_parents ||
>>> +                !ip_parse(virtual_ip, &ip)) {
>>> +                continue;
>>> +            }
>>>
>>> -        if (lsp_is_external(op->nbsp)) {
>>> -            continue;
>>> -        }
>>> +            char *tokstr = xstrdup(virtual_parents);
>>> +            char *save_ptr = NULL;
>>> +            char *vparent;
>>> +            for (vparent = strtok_r(tokstr, ",", &save_ptr); vparent !=
>>> NULL;
>>> +                 vparent = strtok_r(NULL, ",", &save_ptr)) {
>>> +                struct ovn_port *vp = ovn_port_find(ports, vparent);
>>> +                if (!vp || vp->od != op->od) {
>>> +                    /* vparent name should be valid and it should belong
>>> +                     * to the same logical switch. */
>>> +                    continue;
>>> +                }
>>>
>>> -        for (size_t i = 0; i < op->n_lsp_addrs; i++) {
>>> -            for (size_t j = 0; j < op->lsp_addrs[i].n_ipv4_addrs; j++) {
>>>                  ds_clear(&match);
>>> -                ds_put_format(&match, "arp.tpa == %s && arp.op == 1",
>>> -                              op->lsp_addrs[i].ipv4_addrs[j].addr_s);
>>> +                ds_put_format(&match, "inport == \"%s\" && "
>>> +                              "!is_chassis_resident(%s) && "
>>> +                              "((arp.op == 1 && arp.spa == %s && "
>>> +                              "arp.tpa == %s) || (arp.op == 2 && "
>>> +                              "arp.spa == %s))",
>>> +                              vparent, op->json_key, virtual_ip,
>>> virtual_ip,
>>> +                              virtual_ip);
>>>                  ds_clear(&actions);
>>>                  ds_put_format(&actions,
>>> -                    "eth.dst = eth.src; "
>>> -                    "eth.src = %s; "
>>> -                    "arp.op = 2; /* ARP reply */ "
>>> -                    "arp.tha = arp.sha; "
>>> -                    "arp.sha = %s; "
>>> -                    "arp.tpa = arp.spa; "
>>> -                    "arp.spa = %s; "
>>> -                    "outport = inport; "
>>> -                    "flags.loopback = 1; "
>>> -                    "output;",
>>> -                    op->lsp_addrs[i].ea_s, op->lsp_addrs[i].ea_s,
>>> -                    op->lsp_addrs[i].ipv4_addrs[j].addr_s);
>>> -                ovn_lflow_add(lflows, op->od, S_SWITCH_IN_ARP_ND_RSP,
>>> 50,
>>> +                    "bind_vport(%s, inport); "
>>> +                    "next;",
>>> +                    op->json_key);
>>> +                ovn_lflow_add(lflows, op->od, S_SWITCH_IN_ARP_ND_RSP,
>>> 100,
>>>                                ds_cstr(&match), ds_cstr(&actions));
>>> +            }
>>>
>>> -                /* Do not reply to an ARP request from the port that
>>> owns the
>>> -                 * address (otherwise a DHCP client that ARPs to check
>>> for a
>>> -                 * duplicate address will fail).  Instead, forward it
>>> the usual
>>> -                 * way.
>>> -                 *
>>> -                 * (Another alternative would be to simply drop the
>>> packet.  If
>>> -                 * everything is working as it is configured, then this
>>> would
>>> -                 * produce equivalent results, since no one should
>>> reply to the
>>> -                 * request.  But ARPing for one's own IP address is
>>> intended to
>>> -                 * detect situations where the network is not working as
>>> -                 * configured, so dropping the request would frustrate
>>> that
>>> -                 * intent.) */
>>> -                ds_put_format(&match, " && inport == %s", op->json_key);
>>> -                ovn_lflow_add(lflows, op->od, S_SWITCH_IN_ARP_ND_RSP,
>>> 100,
>>> -                              ds_cstr(&match), "next;");
>>> +            free(tokstr);
>>> +        } else {
>>> +            /*
>>> +             * Add ARP/ND reply flows if either the
>>> +             *  - port is up or
>>> +             *  - port type is router or
>>> +             *  - port type is localport
>>> +             */
>>> +            if (!lsp_is_up(op->nbsp) && strcmp(op->nbsp->type,
>>> "router") &&
>>> +                strcmp(op->nbsp->type, "localport")) {
>>> +                continue;
>>>              }
>>>
>>> -            /* For ND solicitations, we need to listen for both the
>>> -             * unicast IPv6 address and its all-nodes multicast address,
>>> -             * but always respond with the unicast IPv6 address. */
>>> -            for (size_t j = 0; j < op->lsp_addrs[i].n_ipv6_addrs; j++) {
>>> -                ds_clear(&match);
>>> -                ds_put_format(&match,
>>> -                        "nd_ns && ip6.dst == {%s, %s} && nd.target ==
>>> %s",
>>> -                        op->lsp_addrs[i].ipv6_addrs[j].addr_s,
>>> -                        op->lsp_addrs[i].ipv6_addrs[j].sn_addr_s,
>>> -                        op->lsp_addrs[i].ipv6_addrs[j].addr_s);
>>> +            if (lsp_is_external(op->nbsp)) {
>>> +                continue;
>>> +            }
>>>
>>> -                ds_clear(&actions);
>>> -                ds_put_format(&actions,
>>> -                        "%s { "
>>> +            for (size_t i = 0; i < op->n_lsp_addrs; i++) {
>>> +                for (size_t j = 0; j < op->lsp_addrs[i].n_ipv4_addrs;
>>> j++) {
>>> +                    ds_clear(&match);
>>> +                    ds_put_format(&match, "arp.tpa == %s && arp.op ==
>>> 1",
>>> +                                op->lsp_addrs[i].ipv4_addrs[j].addr_s);
>>> +                    ds_clear(&actions);
>>> +                    ds_put_format(&actions,
>>> +                        "eth.dst = eth.src; "
>>>                          "eth.src = %s; "
>>> -                        "ip6.src = %s; "
>>> -                        "nd.target = %s; "
>>> -                        "nd.tll = %s; "
>>> +                        "arp.op = 2; /* ARP reply */ "
>>> +                        "arp.tha = arp.sha; "
>>> +                        "arp.sha = %s; "
>>> +                        "arp.tpa = arp.spa; "
>>> +                        "arp.spa = %s; "
>>>                          "outport = inport; "
>>>                          "flags.loopback = 1; "
>>> -                        "output; "
>>> -                        "};",
>>> -                        !strcmp(op->nbsp->type, "router") ?
>>> -                            "nd_na_router" : "nd_na",
>>> -                        op->lsp_addrs[i].ea_s,
>>> -                        op->lsp_addrs[i].ipv6_addrs[j].addr_s,
>>> -                        op->lsp_addrs[i].ipv6_addrs[j].addr_s,
>>> -                        op->lsp_addrs[i].ea_s);
>>> -                ovn_lflow_add(lflows, op->od, S_SWITCH_IN_ARP_ND_RSP,
>>> 50,
>>> -                              ds_cstr(&match), ds_cstr(&actions));
>>> +                        "output;",
>>> +                        op->lsp_addrs[i].ea_s, op->lsp_addrs[i].ea_s,
>>> +                        op->lsp_addrs[i].ipv4_addrs[j].addr_s);
>>> +                    ovn_lflow_add(lflows, op->od,
>>> S_SWITCH_IN_ARP_ND_RSP, 50,
>>> +                                ds_cstr(&match), ds_cstr(&actions));
>>> +
>>> +                    /* Do not reply to an ARP request from the port
>>> that owns
>>> +                     * the address (otherwise a DHCP client that ARPs
>>> to check
>>> +                     * for a duplicate address will fail).  Instead,
>>> forward
>>> +                     * it the usual way.
>>> +                     *
>>> +                     * (Another alternative would be to simply drop the
>>> packet.
>>> +                     * If everything is working as it is configured,
>>> then this
>>> +                     * would produce equivalent results, since no one
>>> should
>>> +                     * reply to the request.  But ARPing for one's own
>>> IP
>>> +                     * address is intended to detect situations where
>>> the
>>> +                     * network is not working as configured, so
>>> dropping the
>>> +                     * request would frustrate that intent.) */
>>> +                    ds_put_format(&match, " && inport == %s",
>>> op->json_key);
>>> +                    ovn_lflow_add(lflows, op->od,
>>> S_SWITCH_IN_ARP_ND_RSP, 100,
>>> +                                ds_cstr(&match), "next;");
>>> +                }
>>>
>>> -                /* Do not reply to a solicitation from the port that
>>> owns the
>>> -                 * address (otherwise DAD detection will fail). */
>>> -                ds_put_format(&match, " && inport == %s", op->json_key);
>>> -                ovn_lflow_add(lflows, op->od, S_SWITCH_IN_ARP_ND_RSP,
>>> 100,
>>> -                              ds_cstr(&match), "next;");
>>> +                /* For ND solicitations, we need to listen for both the
>>> +                 * unicast IPv6 address and its all-nodes multicast
>>> address,
>>> +                 * but always respond with the unicast IPv6 address. */
>>> +                for (size_t j = 0; j < op->lsp_addrs[i].n_ipv6_addrs;
>>> j++) {
>>> +                    ds_clear(&match);
>>> +                    ds_put_format(&match,
>>> +                            "nd_ns && ip6.dst == {%s, %s} && nd.target
>>> == %s",
>>> +                            op->lsp_addrs[i].ipv6_addrs[j].addr_s,
>>> +                            op->lsp_addrs[i].ipv6_addrs[j].sn_addr_s,
>>> +                            op->lsp_addrs[i].ipv6_addrs[j].addr_s);
>>> +
>>> +                    ds_clear(&actions);
>>> +                    ds_put_format(&actions,
>>> +                            "%s { "
>>> +                            "eth.src = %s; "
>>> +                            "ip6.src = %s; "
>>> +                            "nd.target = %s; "
>>> +                            "nd.tll = %s; "
>>> +                            "outport = inport; "
>>> +                            "flags.loopback = 1; "
>>> +                            "output; "
>>> +                            "};",
>>> +                            !strcmp(op->nbsp->type, "router") ?
>>> +                                "nd_na_router" : "nd_na",
>>> +                            op->lsp_addrs[i].ea_s,
>>> +                            op->lsp_addrs[i].ipv6_addrs[j].addr_s,
>>> +                            op->lsp_addrs[i].ipv6_addrs[j].addr_s,
>>> +                            op->lsp_addrs[i].ea_s);
>>> +                    ovn_lflow_add(lflows, op->od,
>>> S_SWITCH_IN_ARP_ND_RSP, 50,
>>> +                                ds_cstr(&match), ds_cstr(&actions));
>>> +
>>> +                    /* Do not reply to a solicitation from the port
>>> that owns
>>> +                     * the address (otherwise DAD detection will fail).
>>> */
>>> +                    ds_put_format(&match, " && inport == %s",
>>> op->json_key);
>>> +                    ovn_lflow_add(lflows, op->od,
>>> S_SWITCH_IN_ARP_ND_RSP, 100,
>>> +                                ds_cstr(&match), "next;");
>>> +                }
>>>              }
>>>          }
>>>      }
>>> @@ -7504,7 +7554,8 @@ build_lrouter_flows(struct hmap *datapaths, struct
>>> hmap *ports,
>>>                                    100, ds_cstr(&match),
>>> ds_cstr(&actions));
>>>                  }
>>>              }
>>> -        } else if (op->od->n_router_ports && strcmp(op->nbsp->type,
>>> "router")) {
>>> +        } else if (op->od->n_router_ports && strcmp(op->nbsp->type,
>>> "router")
>>> +                   && strcmp(op->nbsp->type, "virtual")) {
>>>              /* This is a logical switch port that backs a VM or a
>>> container.
>>>               * Extract its addresses. For each of the address, go
>>> through all
>>>               * the router ports attached to the switch (to which this
>>> port
>>> @@ -7581,6 +7632,105 @@ build_lrouter_flows(struct hmap *datapaths,
>>> struct hmap *ports,
>>>                      }
>>>                  }
>>>              }
>>> +        } else if (op->od->n_router_ports && strcmp(op->nbsp->type,
>>> "router")
>>> +                   && !strcmp(op->nbsp->type, "virtual")) {
>>> +            /* This is a virtual port. Add ARP replies for the virtual
>>> ip with
>>> +             * the mac of the present active virtual parent.
>>> +             * If the logical port doesn't have virtual parent set in
>>> +             * Port_Binding table, then add the flow to set eth.dst to
>>> +             * 00:00:00:00:00:00 and advance to next table so that ARP
>>> is
>>> +             * resolved by router pipeline using the arp{} action.
>>> +             * The MAC_Binding entry for the virtual ip might be
>>> invalid. */
>>> +            ovs_be32 ip;
>>> +
>>> +            const char *vip = smap_get(&op->nbsp->options,
>>> +                                       "virtual-ip");
>>> +            const char *virtual_parents = smap_get(&op->nbsp->options,
>>> +                                                   "virtual-parents");
>>> +            if (!vip || !virtual_parents ||
>>> +                !ip_parse(vip, &ip) || !op->sb) {
>>> +                continue;
>>> +            }
>>> +
>>> +            if (!op->sb->virtual_parent || !op->sb->virtual_parent[0] ||
>>> +                !op->sb->chassis) {
>>> +                /* The virtual port is not claimed yet. */
>>> +                for (size_t i = 0; i < op->od->n_router_ports; i++) {
>>> +                    const char *peer_name = smap_get(
>>> +                        &op->od->router_ports[i]->nbsp->options,
>>> +                        "router-port");
>>> +                    if (!peer_name) {
>>> +                        continue;
>>> +                    }
>>> +
>>> +                    struct ovn_port *peer = ovn_port_find(ports,
>>> peer_name);
>>> +                    if (!peer || !peer->nbrp) {
>>> +                        continue;
>>> +                    }
>>> +
>>> +                    if (find_lrp_member_ip(peer, vip)) {
>>> +                        ds_clear(&match);
>>> +                        ds_put_format(&match, "outport == %s && reg0 ==
>>> %s",
>>> +                                        peer->json_key, vip);
>>> +
>>> +                        ds_clear(&actions);
>>> +                        ds_put_format(&actions,
>>> +                                      "eth.dst = 00:00:00:00:00:00;
>>> next;");
>>> +                        ovn_lflow_add(lflows, peer->od,
>>> +                                        S_ROUTER_IN_ARP_RESOLVE, 100,
>>> +                                        ds_cstr(&match),
>>> ds_cstr(&actions));
>>> +                        break;
>>> +                    }
>>> +                }
>>> +            } else {
>>> +                struct ovn_port *vp =
>>> +                    ovn_port_find(ports, op->sb->virtual_parent);
>>> +                if (!vp || !vp->nbsp) {
>>> +                    continue;
>>> +                }
>>> +
>>> +                for (size_t i = 0; i < vp->n_lsp_addrs; i++) {
>>> +                    bool found_vip_network = false;
>>> +                    const char *ea_s = vp->lsp_addrs[i].ea_s;
>>> +                    for (size_t j = 0; j < vp->od->n_router_ports; j++)
>>> {
>>> +                        /* Get the Logical_Router_Port that the
>>> +                        * Logical_Switch_Port is connected to, as
>>> +                        * 'peer'. */
>>> +                        const char *peer_name = smap_get(
>>> +                            &vp->od->router_ports[j]->nbsp->options,
>>> +                            "router-port");
>>> +                        if (!peer_name) {
>>> +                            continue;
>>> +                        }
>>> +
>>> +                        struct ovn_port *peer =
>>> +                            ovn_port_find(ports, peer_name);
>>> +                        if (!peer || !peer->nbrp) {
>>> +                            continue;
>>> +                        }
>>> +
>>> +                        if (!find_lrp_member_ip(peer, vip)) {
>>> +                            continue;
>>> +                        }
>>> +
>>> +                        ds_clear(&match);
>>> +                        ds_put_format(&match, "outport == %s && reg0 ==
>>> %s",
>>> +                                        peer->json_key, vip);
>>> +
>>> +                        ds_clear(&actions);
>>> +                        ds_put_format(&actions, "eth.dst = %s; next;",
>>> ea_s);
>>> +                        ovn_lflow_add(lflows, peer->od,
>>> +                                        S_ROUTER_IN_ARP_RESOLVE, 100,
>>> +                                        ds_cstr(&match),
>>> ds_cstr(&actions));
>>> +                        found_vip_network = true;
>>> +                        break;
>>> +                    }
>>> +
>>> +                    if (found_vip_network) {
>>> +                        break;
>>> +                    }
>>> +                }
>>> +            }
>>>          } else if (!strcmp(op->nbsp->type, "router")) {
>>>              /* This is a logical switch port that connects to a router.
>>> */
>>>
>>> @@ -9256,6 +9406,8 @@ main(int argc, char *argv[])
>>>                           &sbrec_port_binding_col_gateway_chassis);
>>>      ovsdb_idl_add_column(ovnsb_idl_loop.idl,
>>>                           &sbrec_port_binding_col_ha_chassis_group);
>>> +    ovsdb_idl_add_column(ovnsb_idl_loop.idl,
>>> +                         &sbrec_port_binding_col_virtual_parent);
>>>      ovsdb_idl_add_column(ovnsb_idl_loop.idl,
>>>                           &sbrec_gateway_chassis_col_chassis);
>>>      ovsdb_idl_add_column(ovnsb_idl_loop.idl,
>>> &sbrec_gateway_chassis_col_name);
>>> diff --git a/ovn/ovn-nb.xml b/ovn/ovn-nb.xml
>>> index 57b6edbf8..f5f10a5c1 100644
>>> --- a/ovn/ovn-nb.xml
>>> +++ b/ovn/ovn-nb.xml
>>> @@ -465,6 +465,31 @@
>>>                </li>
>>>              </ul>
>>>            </dd>
>>> +
>>> +          <dt><code>virtual</code></dt>
>>> +          <dd>
>>> +            <p>
>>> +              Represents a logical port which does not have an OVS
>>> +              port in the integration bridge and has a virtual ip
>>> configured
>>> +              in the <ref column="options:virtual-ip"/> column. This
>>> virtual ip
>>> +              can move around between the logical ports configured in
>>> +              the <ref column="options:virtual-parents"/> column.
>>> +            </p>
>>> +
>>> +            <p>
>>> +              One of the use case where <code>virtual</code>
>>> +              ports can be used is.
>>> +            </p>
>>> +
>>> +            <ul>
>>> +              <li>
>>> +                The <code>virtual ip</code> represents a load balancer
>>> vip
>>> +                and the <code>virtual parents</code> provide load
>>> balancer
>>> +                service in an active-standby setup with the active
>>> virtual
>>> +                parent owning the <code>virtual ip</code>.
>>> +              </li>
>>> +            </ul>
>>> +           </dd>
>>>          </dl>
>>>        </column>
>>>      </group>
>>> @@ -618,6 +643,26 @@
>>>            interface, in bits.
>>>          </column>
>>>        </group>
>>> +
>>> +      <group title="Virtual port Options">
>>> +        <p>
>>> +          These options apply when <ref column="type"/> is
>>> +          <code>virtual</code>.
>>> +        </p>
>>> +
>>> +        <column name="options" key="virtual-ip">
>>> +          This option represents the virtual IPv4 address.
>>> +        </column>
>>> +
>>> +        <column name="options" key="virtual-parents">
>>> +          This options represents a set of logical port names (with in
>>> the same
>>> +          logical switch) which can own the <code>virtual ip</code>
>>> configured
>>> +          in the <ref column="options:virtual-ip"/>. All these virtual
>>> parents
>>> +          should add the <code>virtual ip</code> in the
>>> +          <ref column="port_security"/> if port security addressed are
>>> enabled.
>>> +        </column>
>>> +      </group>
>>> +
>>>      </group>
>>>
>>>      <group title="Containers">
>>> diff --git a/ovn/ovn-sb.ovsschema b/ovn/ovn-sb.ovsschema
>>> index 2b7bc57a7..5c013b17e 100644
>>> --- a/ovn/ovn-sb.ovsschema
>>> +++ b/ovn/ovn-sb.ovsschema
>>> @@ -1,7 +1,7 @@
>>>  {
>>>      "name": "OVN_Southbound",
>>> -    "version": "2.4.0",
>>> -    "cksum": "3059284885 20260",
>>> +    "version": "2.5.0",
>>> +    "cksum": "1257419092 20387",
>>>      "tables": {
>>>          "SB_Global": {
>>>              "columns": {
>>> @@ -173,6 +173,8 @@
>>>                                        "minInteger": 1,
>>>                                        "maxInteger": 4095},
>>>                                "min": 0, "max": 1}},
>>> +                "virtual_parent": {"type": {"key": "string", "min": 0,
>>> +                                            "max": 1}},
>>>                  "chassis": {"type": {"key": {"type": "uuid",
>>>                                               "refTable": "Chassis",
>>>                                               "refType": "weak"},
>>> diff --git a/ovn/ovn-sb.xml b/ovn/ovn-sb.xml
>>> index 544a071fa..17c45bbac 100644
>>> --- a/ovn/ovn-sb.xml
>>> +++ b/ovn/ovn-sb.xml
>>> @@ -2017,6 +2017,24 @@ tcp.flags = RST;
>>>            </p>
>>>            <p><b>Prerequisite:</b> <code>igmp</code></p>
>>>          </dd>
>>> +
>>> +        <dt><code>bind_vport(<var>V</var>, <var>P</var>);</code></dt>
>>> +        <dd>
>>> +          <p>
>>> +            <b>Parameters</b>: logical port string field <var>V</var>
>>> +            of type <code>virtual</code>, logical port string field
>>> +            <var>P</var>.
>>> +          </p>
>>> +
>>> +          <p>
>>> +            Binds the virtual logical port <var>V</var> and sets the
>>> +            <ref table="Port_Binding" column="chassis"/> column and
>>> +            <ref table="Port_Binding" column="virtual_parent"/> of
>>> +            the table <ref table="Port_Binding"/>.
>>> +            <ref table="Port_Binding" column="virtual_parent"/> is
>>> +            set to <var>P</var>.
>>> +          </p>
>>> +        </dd>
>>>        </dl>
>>>      </column>
>>>
>>> @@ -2480,6 +2498,13 @@ tcp.flags = RST;
>>>              the <code>outport</code> will be reset to the value of the
>>>              distributed port.
>>>            </dd>
>>> +
>>> +          <dt><code>virtual</code></dt>
>>> +          <dd>
>>> +            Represents a logical port with an <code>virtual ip</code>.
>>> +            This <code>virtual ip</code> can be configured on a
>>> +            logical port (which is refered as virtual parent).
>>> +          </dd>
>>>          </dl>
>>>        </column>
>>>      </group>
>>> @@ -2720,6 +2745,27 @@ tcp.flags = RST;
>>>        </column>
>>>      </group>
>>>
>>> +    <group title="Virtual ports">
>>> +      <column name="virtual_parent">
>>> +        <p>
>>> +          This column is set by <code>ovn-controller</code> with one of
>>> the
>>> +          value from the
>>> +          <ref table="Logical_Switch_Port"
>>> column="options:virtual-parents"
>>> +          db="OVN_Northbound"/> in the OVN_Northbound database's
>>> +          <ref table="Logical_Switch_Port" db="OVN_Northbound"/> table
>>> +          when the OVN action <code>bind_vport</code> is executed.
>>> +          <code>ovn-controller</code> also sets the
>>> +          <ref column="chassis"/> column when it executes this action
>>> +          with its chassis id.
>>> +        </p>
>>> +
>>> +        <p>
>>> +          <code>ovn-controller</code> sets this column only if the
>>> +          <ref column="type"/> is "virtual".
>>> +        </p>
>>> +      </column>
>>> +    </group>
>>> +
>>>      <group title="Naming">
>>>        <column name="external_ids" key="name">
>>>          <p>
>>> diff --git a/ovn/utilities/ovn-trace.c b/ovn/utilities/ovn-trace.c
>>> index 044eb1cc2..b532b8eaf 100644
>>> --- a/ovn/utilities/ovn-trace.c
>>> +++ b/ovn/utilities/ovn-trace.c
>>> @@ -2144,6 +2144,9 @@ trace_actions(const struct ovnact *ovnacts, size_t
>>> ovnacts_len,
>>>
>>>          case OVNACT_CHECK_PKT_LARGER:
>>>              break;
>>> +
>>> +        case OVNACT_BIND_VPORT:
>>> +            break;
>>>          }
>>>      }
>>>      ds_destroy(&s);
>>> diff --git a/tests/ovn.at b/tests/ovn.at
>>> index cb380d275..5d6c90c5f 100644
>>> --- a/tests/ovn.at
>>> +++ b/tests/ovn.at
>>> @@ -1368,6 +1368,24 @@ reg0 = check_pkt_larger(foo);
>>>  reg0[0] = check_pkt_larger(foo);
>>>      Syntax error at `foo' expecting `;'.
>>>
>>> +# bind_vport
>>> +# lsp1's port key is 0x11.
>>> +bind_vport("lsp1", inport);
>>> +    encodes as controller(userdata=00.00.00.11.00.00.00.00.11.00.00.00)
>>> +# lsp2 doesn't exist. So it should be encoded as drop.
>>> +bind_vport("lsp2", inport);
>>> +    encodes as drop
>>> +bind_vport;
>>> +    Syntax error at `;' expecting `('.
>>> +bind_vport(;
>>> +    Syntax error at `;' expecting port name string.
>>> +bind_vport("xyzzy";
>>> +    Syntax error at `;' expecting `,'.
>>> +bind_vport("xyzzy",;
>>> +    Syntax error at `;' expecting field name.
>>> +bind_vport("xyzzy", inport;
>>> +    Syntax error at `;' expecting `)'.
>>> +
>>>  # Miscellaneous negative tests.
>>>  ;
>>>      Syntax error at `;'.
>>> @@ -14345,6 +14363,278 @@ OVN_CLEANUP([hv1],[hv2])
>>>
>>>  AT_CLEANUP
>>>
>>> +AT_SETUP([ovn -- virtual ports])
>>> +AT_KEYWORDS([virtual ports])
>>> +AT_SKIP_IF([test $HAVE_PYTHON = no])
>>> +ovn_start
>>> +
>>> +send_garp() {
>>> +    local hv=$1 inport=$2 eth_src=$3 eth_dst=$4 spa=$5 tpa=$6
>>> +    local
>>> request=${eth_dst}${eth_src}08060001080006040001${eth_src}${spa}${eth_dst}${tpa}
>>> +    as hv$hv ovs-appctl netdev-dummy/receive hv${hv}-vif$inport $request
>>> +}
>>> +
>>> +send_arp_reply() {
>>> +    local hv=$1 inport=$2 eth_src=$3 eth_dst=$4 spa=$5 tpa=$6
>>> +    local
>>> request=${eth_dst}${eth_src}08060001080006040002${eth_src}${spa}${eth_dst}${tpa}
>>> +    as hv$hv ovs-appctl netdev-dummy/receive hv${hv}-vif$inport $request
>>> +}
>>> +
>>> +net_add n1
>>> +
>>> +sim_add hv1
>>> +as hv1
>>> +ovs-vsctl add-br br-phys
>>> +ovn_attach n1 br-phys 192.168.0.1
>>> +ovs-vsctl -- add-port br-int hv1-vif1 -- \
>>> +    set interface hv1-vif1 external-ids:iface-id=sw0-p1 \
>>> +    options:tx_pcap=hv1/vif1-tx.pcap \
>>> +    options:rxq_pcap=hv1/vif1-rx.pcap \
>>> +    ofport-request=1
>>> +ovs-vsctl -- add-port br-int hv1-vif2 -- \
>>> +    set interface hv1-vif2 external-ids:iface-id=sw0-p3 \
>>> +    options:tx_pcap=hv1/vif2-tx.pcap \
>>> +    options:rxq_pcap=hv1/vif2-rx.pcap \
>>> +    ofport-request=2
>>> +
>>> +sim_add hv2
>>> +as hv2
>>> +ovs-vsctl add-br br-phys
>>> +ovn_attach n1 br-phys 192.168.0.2
>>> +ovs-vsctl -- add-port br-int hv2-vif1 -- \
>>> +    set interface hv2-vif1 external-ids:iface-id=sw0-p2 \
>>> +    options:tx_pcap=hv2/vif1-tx.pcap \
>>> +    options:rxq_pcap=hv2/vif1-rx.pcap \
>>> +    ofport-request=1
>>> +ovs-vsctl -- add-port br-int hv2-vif2 -- \
>>> +    set interface hv2-vif2 external-ids:iface-id=sw1-p1 \
>>> +    options:tx_pcap=hv2/vif2-tx.pcap \
>>> +    options:rxq_pcap=hv2/vif2-rx.pcap \
>>> +    ofport-request=2
>>> +
>>> +ovn-nbctl ls-add sw0
>>> +
>>> +ovn-nbctl lsp-add sw0 sw0-vir
>>> +ovn-nbctl lsp-set-addresses sw0-vir "50:54:00:00:00:10 10.0.0.10"
>>> +ovn-nbctl lsp-set-port-security sw0-vir "50:54:00:00:00:10 10.0.0.10"
>>> +ovn-nbctl lsp-set-type sw0-vir virtual
>>> +ovn-nbctl set logical_switch_port sw0-vir options:virtual-ip=10.0.0.10
>>> +ovn-nbctl set logical_switch_port sw0-vir
>>> options:virtual-parents=sw0-p1,sw0-p2
>>> +
>>> +ovn-nbctl lsp-add sw0 sw0-p1
>>> +ovn-nbctl lsp-set-addresses sw0-p1 "50:54:00:00:00:03 10.0.0.3"
>>> +ovn-nbctl lsp-set-port-security sw0-p1 "50:54:00:00:00:03 10.0.0.3
>>> 10.0.0.10"
>>> +
>>> +ovn-nbctl lsp-add sw0 sw0-p2
>>> +ovn-nbctl lsp-set-addresses sw0-p2 "50:54:00:00:00:04 10.0.0.4"
>>> +ovn-nbctl lsp-set-port-security sw0-p2 "50:54:00:00:00:04 10.0.0.4
>>> 10.0.0.10"
>>> +
>>> +ovn-nbctl lsp-add sw0 sw0-p3
>>> +ovn-nbctl lsp-set-addresses sw0-p3 "50:54:00:00:00:05 10.0.0.5"
>>> +ovn-nbctl lsp-set-port-security sw0-p3 "50:54:00:00:00:05 10.0.0.5"
>>> +
>>> +# Create the second logical switch with one port
>>> +ovn-nbctl ls-add sw1
>>> +ovn-nbctl lsp-add sw1 sw1-p1
>>> +ovn-nbctl lsp-set-addresses sw1-p1 "40:54:00:00:00:03 20.0.0.3"
>>> +ovn-nbctl lsp-set-port-security sw1-p1 "40:54:00:00:00:03 20.0.0.3"
>>> +
>>> +# Create a logical router and attach both logical switches
>>> +ovn-nbctl lr-add lr0
>>> +ovn-nbctl lrp-add lr0 lr0-sw0 00:00:00:00:ff:01 10.0.0.1/24
>>> +ovn-nbctl lsp-add sw0 sw0-lr0
>>> +ovn-nbctl lsp-set-type sw0-lr0 router
>>> +ovn-nbctl lsp-set-addresses sw0-lr0 00:00:00:00:ff:01
>>> +ovn-nbctl lsp-set-options sw0-lr0 router-port=lr0-sw0
>>> +
>>> +ovn-nbctl lrp-add lr0 lr0-sw1 00:00:00:00:ff:02 20.0.0.1/24
>>> +ovn-nbctl lsp-add sw1 sw1-lr0
>>> +ovn-nbctl lsp-set-type sw1-lr0 router
>>> +ovn-nbctl lsp-set-addresses sw1-lr0 00:00:00:00:ff:02
>>> +ovn-nbctl lsp-set-options sw1-lr0 router-port=lr0-sw1
>>> +
>>> +OVN_POPULATE_ARP
>>> +ovn-nbctl --wait=hv sync
>>> +
>>> +# Check that logical flows are added for sw0-vir in lsp_in_arp_rsp
>>> pipeline
>>> +# with bind_vport action.
>>> +
>>> +ovn-sbctl dump-flows sw0 | grep ls_in_arp_rsp | grep bind_vport >
>>> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=11(ls_in_arp_rsp      ), priority=100  , match=(inport ==
>>> "sw0-p1" && !is_chassis_resident("sw0-vir") && ((arp.op == 1 && arp.spa ==
>>> 10.0.0.10 && arp.tpa == 10.0.0.10) || (arp.op == 2 && arp.spa ==
>>> 10.0.0.10))), action=(bind_vport("sw0-vir", inport); next;)
>>> +  table=11(ls_in_arp_rsp      ), priority=100  , match=(inport ==
>>> "sw0-p2" && !is_chassis_resident("sw0-vir") && ((arp.op == 1 && arp.spa ==
>>> 10.0.0.10 && arp.tpa == 10.0.0.10) || (arp.op == 2 && arp.spa ==
>>> 10.0.0.10))), action=(bind_vport("sw0-vir", inport); next;)
>>> +])
>>> +
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +# Since the sw0-vir is not claimed by any chassis, eth.dst should be
>>> set to
>>> +# zero if the ip4.dst is the virtual ip in the router pipeline.
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=9 (lr_in_arp_resolve  ), priority=100  , match=(outport ==
>>> "lr0-sw0" && reg0 == 10.0.0.10), action=(eth.dst = 00:00:00:00:00:00; next;)
>>> +])
>>> +
>>> +ip_to_hex() {
>>> +    printf "%02x%02x%02x%02x" "$@"
>>> +}
>>> +
>>> +hv1_ch_uuid=`ovn-sbctl --bare --columns _uuid find chassis name="hv1"`
>>> +hv2_ch_uuid=`ovn-sbctl --bare --columns _uuid find chassis name="hv2"`
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns chassis find port_binding \
>>> +logical_port=sw0-vir) = x], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = x])
>>> +
>>> +# From sw0-p0 send GARP for 10.0.0.10. hv1 should claim sw0-vir
>>> +# and sw0-p1 should be its virtual_parent.
>>> +eth_src=505400000003
>>> +eth_dst=ffffffffffff
>>> +spa=$(ip_to_hex 10 0 0 10)
>>> +tpa=$(ip_to_hex 10 0 0 10)
>>> +send_garp 1 1 $eth_src $eth_dst $spa $tpa
>>> +
>>> +OVS_WAIT_UNTIL([test x$(ovn-sbctl --bare --columns chassis find
>>> port_binding \
>>> +logical_port=sw0-vir) = x$hv1_ch_uuid], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = xsw0-p1])
>>> +
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +# There should be an arp resolve flow to resolve the virtual_ip with the
>>> +# sw0-p1's MAC.
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=9 (lr_in_arp_resolve  ), priority=100  , match=(outport ==
>>> "lr0-sw0" && reg0 == 10.0.0.10), action=(eth.dst = 50:54:00:00:00:03; next;)
>>> +])
>>> +
>>> +# send the garp from sw0-p2 (in hv2). hv2 should claim sw0-vir
>>> +# and sw0-p2 shpuld be its virtual_parent.
>>> +eth_src=505400000004
>>> +eth_dst=ffffffffffff
>>> +spa=$(ip_to_hex 10 0 0 10)
>>> +tpa=$(ip_to_hex 10 0 0 10)
>>> +send_garp 2 1 $eth_src $eth_dst $spa $tpa
>>> +
>>> +OVS_WAIT_UNTIL([test x$(ovn-sbctl --bare --columns chassis find
>>> port_binding \
>>> +logical_port=sw0-vir) = x$hv2_ch_uuid], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = xsw0-p2])
>>> +
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +# There should be an arp resolve flow to resolve the virtual_ip with the
>>> +# sw0-p2's MAC.
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=9 (lr_in_arp_resolve  ), priority=100  , match=(outport ==
>>> "lr0-sw0" && reg0 == 10.0.0.10), action=(eth.dst = 50:54:00:00:00:04; next;)
>>> +])
>>> +
>>> +# Now send arp reply from sw0-p1. hv1 should claim sw0-vir
>>> +# and sw0-p1 shpuld be its virtual_parent.
>>> +eth_src=505400000003
>>> +eth_dst=ffffffffffff
>>> +spa=$(ip_to_hex 10 0 0 10)
>>> +tpa=$(ip_to_hex 10 0 0 4)
>>> +send_arp_reply 1 1 $eth_src $eth_dst $spa $tpa
>>> +
>>> +OVS_WAIT_UNTIL([test x$(ovn-sbctl --bare --columns chassis find
>>> port_binding \
>>> +logical_port=sw0-vir) = x$hv1_ch_uuid], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = xsw0-p1])
>>> +
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=9 (lr_in_arp_resolve  ), priority=100  , match=(outport ==
>>> "lr0-sw0" && reg0 == 10.0.0.10), action=(eth.dst = 50:54:00:00:00:03; next;)
>>> +])
>>> +
>>> +# Delete hv1-vif1 port. hv1 should release sw0-vir
>>> +as hv1 ovs-vsctl del-port hv1-vif1
>>> +
>>> +OVS_WAIT_UNTIL([test x$(ovn-sbctl --bare --columns chassis find
>>> port_binding \
>>> +logical_port=sw0-vir) = x], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = x])
>>> +
>>> +# Since the sw0-vir is not claimed by any chassis, eth.dst should be
>>> set to
>>> +# zero if the ip4.dst is the virtual ip.
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=9 (lr_in_arp_resolve  ), priority=100  , match=(outport ==
>>> "lr0-sw0" && reg0 == 10.0.0.10), action=(eth.dst = 00:00:00:00:00:00; next;)
>>> +])
>>> +
>>> +# Now send arp reply from sw0-p2. hv2 should claim sw0-vir
>>> +# and sw0-p2 shpuld be its virtual_parent.
>>> +eth_src=505400000004
>>> +eth_dst=ffffffffffff
>>> +spa=$(ip_to_hex 10 0 0 10)
>>> +tpa=$(ip_to_hex 10 0 0 3)
>>> +send_arp_reply 2 1 $eth_src $eth_dst $spa $tpa
>>> +
>>> +OVS_WAIT_UNTIL([test x$(ovn-sbctl --bare --columns chassis find
>>> port_binding \
>>> +logical_port=sw0-vir) = x$hv2_ch_uuid], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = xsw0-p2])
>>> +
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=9 (lr_in_arp_resolve  ), priority=100  , match=(outport ==
>>> "lr0-sw0" && reg0 == 10.0.0.10), action=(eth.dst = 50:54:00:00:00:04; next;)
>>> +])
>>> +
>>> +# Delete sw0-p2 logical port
>>> +ovn-nbctl lsp-del sw0-p2
>>> +
>>> +OVS_WAIT_UNTIL([test x$(ovn-sbctl --bare --columns chassis find
>>> port_binding \
>>> +logical_port=sw0-vir) = x], [0], [])
>>> +
>>> +AT_CHECK([test x$(ovn-sbctl --bare --columns virtual_parent find
>>> port_binding \
>>> +logical_port=sw0-vir) = x])
>>> +
>>> +# Clear virtual_ip column of sw0-vir. There should be no bind_vport
>>> flows.
>>> +ovn-nbctl --wait=hv remove logical_switch_port sw0-vir options
>>> virtual-ip
>>> +
>>> +ovn-sbctl dump-flows sw0 | grep ls_in_arp_rsp | grep bind_vport >
>>> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +])
>>> +
>>> +# Add back virtual_ip and clear virtual_parents.
>>> +ovn-nbctl --wait=hv set logical_switch_port sw0-vir
>>> options:virtual-ip=10.0.0.10
>>> +
>>> +ovn-sbctl dump-flows sw0 | grep ls_in_arp_rsp | grep bind_vport >
>>> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +  table=11(ls_in_arp_rsp      ), priority=100  , match=(inport ==
>>> "sw0-p1" && !is_chassis_resident("sw0-vir") && ((arp.op == 1 && arp.spa ==
>>> 10.0.0.10 && arp.tpa == 10.0.0.10) || (arp.op == 2 && arp.spa ==
>>> 10.0.0.10))), action=(bind_vport("sw0-vir", inport); next;)
>>> +])
>>> +
>>> +ovn-nbctl --wait=hv remove logical_switch_port sw0-vir options
>>> virtual-parents
>>> +ovn-sbctl dump-flows sw0 | grep ls_in_arp_rsp | grep bind_vport >
>>> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +])
>>> +
>>> +ovn-sbctl dump-flows lr0 | grep lr_in_arp_resolve | grep "reg0 ==
>>> 10.0.0.10" \
>>> +> lflows.txt
>>> +
>>> +AT_CHECK([cat lflows.txt], [0], [dnl
>>> +])
>>> +
>>> +OVN_CLEANUP([hv1], [hv2])
>>> +AT_CLEANUP
>>> +
>>>  # Run ovn-nbctl in daemon mode, change to a backup database and verify
>>> that
>>>  # an insert operation is not allowed.
>>>  AT_SETUP([ovn -- can't write to a backup database server instance])
>>> diff --git a/tests/test-ovn.c b/tests/test-ovn.c
>>> index 0b9e8246e..cf1bc5432 100644
>>> --- a/tests/test-ovn.c
>>> +++ b/tests/test-ovn.c
>>> @@ -1253,6 +1253,7 @@ test_parse_actions(struct ovs_cmdl_context *ctx
>>> OVS_UNUSED)
>>>      simap_put(&ports, "eth0", 5);
>>>      simap_put(&ports, "eth1", 6);
>>>      simap_put(&ports, "LOCAL", ofp_to_u16(OFPP_LOCAL));
>>> +    simap_put(&ports, "lsp1", 0x11);
>>>
>>>      ds_init(&input);
>>>      while (!ds_get_test_line(&input, stdin)) {
>>> --
>>> 2.21.0
>>>
>>> _______________________________________________
>>> dev mailing list
>>> dev at openvswitch.org
>>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>>>
>>


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