Hi,

Em sex., 28 de nov. de 2025 às 06:51, Lorenzo Bianconi <
[email protected]> escreveu:

> > Logical router adv in ovn-ic the sb learned routes from
> > dynamic routing. Also, it doesn't learn route in ovn-ic
> > if prefix is already learned in sb learned route table.
> >
> > Signed-off-by: Lucas Vargas Dias <[email protected]>
>
> Hi Lucas,
>
> thx for fixing the comments on the previous version. Just some nitpicks
> inline
> this time. Can you please run './utilities/checkpatch.py' on the patch?
>
> Regards,
> Lorenzo
>
> > ---
> >  ic/ovn-ic.c     | 111 ++++++++++++++++++++++++++++++++++----
> >  tests/ovn-ic.at | 138 ++++++++++++++++++++++++++++++++++++++++++++++++
> >  2 files changed, 240 insertions(+), 9 deletions(-)
> >
> > diff --git a/ic/ovn-ic.c b/ic/ovn-ic.c
> > index ac8b9596c..f1f270164 100644
> > --- a/ic/ovn-ic.c
> > +++ b/ic/ovn-ic.c
> > @@ -70,7 +70,9 @@ struct ic_context {
> >      struct ovsdb_idl_index *nbrec_lrp_by_name;
> >      struct ovsdb_idl_index *nbrec_port_by_name;
> >      struct ovsdb_idl_index *sbrec_chassis_by_name;
> > +    struct ovsdb_idl_index *sbrec_learned_route_by_datapath;
> >      struct ovsdb_idl_index *sbrec_port_binding_by_name;
> > +    struct ovsdb_idl_index *sbrec_datapath_binding_by_nb_uuid;
> >      struct ovsdb_idl_index *sbrec_service_monitor_by_remote_type;
> >      struct ovsdb_idl_index *sbrec_service_monitor_by_ic_learned;
> >      struct ovsdb_idl_index
> *sbrec_service_monitor_by_remote_type_logical_port;
> > @@ -660,6 +662,23 @@ find_sb_pb_by_name(struct ovsdb_idl_index
> *sbrec_port_binding_by_name,
> >      return pb;
> >  }
> >
> > +static const struct sbrec_datapath_binding *
> > +find_dp_by_uuid(struct ovsdb_idl_index *sbrec_datapath_binding,
>
> maybe better something like: sbrec_datapath_binding_by_nb_uuid?
>

What do you think about find_sb_dp_by_nb_uuid?
Following the same pattern of find_sb_pb_by_name.

Regards,
Lucas


>
> > +                const struct uuid *nb_uuid)
> > +{
> > +    const struct sbrec_datapath_binding *key =
> > +        sbrec_datapath_binding_index_init_row(sbrec_datapath_binding);
> > +
> > +    sbrec_datapath_binding_set_nb_uuid(key, nb_uuid, 1);
> > +
> > +    const struct sbrec_datapath_binding *dp =
> > +        sbrec_datapath_binding_index_find(sbrec_datapath_binding, key);
> > +    sbrec_datapath_binding_index_destroy_row(key);
> > +
>
> drop a new-line here.
>
> > +
> > +    return dp;
> > +}
> > +
> >  static const struct sbrec_port_binding *
> >  find_peer_port(struct ic_context *ctx,
> >                 const struct sbrec_port_binding *sb_pb)
> > @@ -1575,7 +1594,7 @@ add_to_routes_ad(struct hmap *routes_ad, const
> struct in6_addr prefix,
> >                   const struct nbrec_load_balancer *nb_lb,
> >                   const char *route_tag)
> >  {
> > -    ovs_assert(nb_route || nb_lrp || nb_lb);
> > +    ovs_assert(nb_route || nb_lrp || nb_lb || nb_lr);
> >
> >      if (route_table == NULL) {
> >          route_table = "";
> > @@ -1607,9 +1626,12 @@ add_to_routes_ad(struct hmap *routes_ad, const
> struct in6_addr prefix,
> >          } else if (nb_lb) {
> >              VLOG_WARN_RL(&rl, msg_fmt, origin, "loadbalancer",
> >                           UUID_ARGS(&nb_lb->header_.uuid));
> > -        } else {
> > +        } else if (nb_lrp){
>
> you are missing a space here.
>
> >              VLOG_WARN_RL(&rl, msg_fmt, origin, "lrp",
> >                           UUID_ARGS(&nb_lrp->header_.uuid));
> > +        } else {
> > +            VLOG_WARN_RL(&rl, msg_fmt, origin, "route",
> > +                UUID_ARGS(&nb_lr->header_.uuid));
> >          }
> >      }
> >  }
> > @@ -1685,8 +1707,16 @@ add_network_to_routes_ad(struct hmap *routes_ad,
> const char *network,
> >
> >      if (!route_need_advertise(NULL, &prefix, plen, nb_options,
> >                                nb_lr, ts_lrp)) {
> > -        VLOG_DBG("Route ad: skip network %s of lrp %s.",
> > -                 network, nb_lrp->name);
> > +        if (VLOG_IS_DBG_ENABLED()) {
> > +            struct ds msg = DS_EMPTY_INITIALIZER;
> > +            ds_put_format(&msg, "Route ad: skip network %s", network);
> > +            if (nb_lrp) {
> > +                ds_put_format(&msg, " of lrp %s", nb_lrp->name);
> > +            }
> > +            ds_put_format(&msg, ".");
> > +            VLOG_DBG("%s", ds_cstr(&msg));
> > +            ds_destroy(&msg);
> > +        }
> >          return;
> >      }
> >
> > @@ -1700,8 +1730,12 @@ add_network_to_routes_ad(struct hmap *routes_ad,
> const char *network,
> >          struct ds msg = DS_EMPTY_INITIALIZER;
> >
> >          ds_put_format(&msg, "Adding direct network route to <main>
> routing "
> > -                      "table: %s of lrp %s, nexthop ", network,
> nb_lrp->name);
> > +                      "table: %s", network);
> >
> > +        if (nb_lrp) {
> > +            ds_put_format(&msg, " of lrp %s,", nb_lrp->name);
> > +        }
> > +        ds_put_format(&msg, " nexthop ");
> >          if (IN6_IS_ADDR_V4MAPPED(&nexthop)) {
> >              ds_put_format(&msg, IP_FMT,
> >                            IP_ARGS(in6_addr_get_mapped_ipv4(&nexthop)));
> > @@ -1882,7 +1916,8 @@ route_matches_local_lb(const struct
> nbrec_load_balancer *nb_lb,
> >  }
> >
> >  static bool
> > -route_need_learn(const struct nbrec_logical_router *lr,
> > +route_need_learn(struct ic_context *ctx,
> > +                 const struct nbrec_logical_router *lr,
> >                   const struct icsbrec_route *isb_route,
> >                   struct in6_addr *prefix, unsigned int plen,
> >                   const struct smap *nb_options,
> > @@ -1952,6 +1987,27 @@ route_need_learn(const struct
> nbrec_logical_router *lr,
> >          }
> >      }
> >
> > +    const struct sbrec_datapath_binding *dp =
> > +        find_dp_by_uuid(ctx->sbrec_datapath_binding_by_nb_uuid,
> > +                        &lr->header_.uuid);
> > +    if (!dp) {
> > +        return true;
> > +    }
> > +
>
> drop a new-line here.
>
> > +
> > +    struct sbrec_learned_route *filter =
> sbrec_learned_route_index_init_row(
> > +        ctx->sbrec_learned_route_by_datapath);
> > +    sbrec_learned_route_index_set_datapath(filter, dp);
> > +    struct sbrec_learned_route *sb_route;
> > +    SBREC_LEARNED_ROUTE_FOR_EACH_EQUAL (sb_route, filter,
> > +
> ctx->sbrec_learned_route_by_datapath) {
> > +        if (!strcmp(isb_route->ip_prefix, sb_route->ip_prefix)) {
> > +            sbrec_learned_route_index_destroy_row(filter);
> > +            return false;
> > +        }
> > +    }
> > +    sbrec_learned_route_index_destroy_row(filter);
> > +
> >      return true;
> >  }
> >
> > @@ -2125,7 +2181,7 @@ sync_learned_routes(struct ic_context *ctx,
> >                               isb_route->nexthop);
> >                  continue;
> >              }
> > -            if (!route_need_learn(ic_lr->lr, isb_route, &prefix, plen,
> > +            if (!route_need_learn(ctx, ic_lr->lr, isb_route, &prefix,
> plen,
> >                                    &nb_global->options, lrp, &nexthop)) {
> >                  continue;
> >              }
> > @@ -2196,7 +2252,8 @@ ad_route_sync_external_ids(const struct
> ic_route_info *route_adv,
> >      smap_get_uuid(&isb_route->external_ids, "lr-id", &isb_ext_lr_id);
> >      nb_id = route_adv->nb_lb ? route_adv->nb_lb->header_.uuid :
> >              route_adv->nb_route ? route_adv->nb_route->header_.uuid :
> > -            route_adv->nb_lrp->header_.uuid;
> > +            route_adv->nb_lrp ? route_adv->nb_lrp->header_.uuid :
> > +            route_adv->nb_lr->header_.uuid;
> >
> >      lr_id = route_adv->nb_lr->header_.uuid;
> >      if (!uuid_equals(&isb_ext_id, &nb_id)) {
> > @@ -2388,6 +2445,26 @@ build_ts_routes_to_adv(struct ic_context *ctx,
> >              }
> >          }
> >      }
> > +
> > +    const struct sbrec_datapath_binding *dp =
> > +        find_dp_by_uuid(ctx->sbrec_datapath_binding_by_nb_uuid,
> > +                        &lr->header_.uuid);
> > +    if (!dp) {
> > +        return;
> > +    }
> > +
> > +    struct sbrec_learned_route *filter =
> sbrec_learned_route_index_init_row(
> > +        ctx->sbrec_learned_route_by_datapath);
> > +    sbrec_learned_route_index_set_datapath(filter, dp);
> > +    struct sbrec_learned_route *sb_route;
> > +    SBREC_LEARNED_ROUTE_FOR_EACH_EQUAL (sb_route, filter,
> > +
> ctx->sbrec_learned_route_by_datapath) {
> > +        add_network_to_routes_ad(routes_ad, sb_route->ip_prefix, NULL,
> > +                                 ts_port_addrs,
> > +                                 &nb_global->options,
> > +                                 lr, route_tag, ts_lrp);
> > +    }
> > +    sbrec_learned_route_index_destroy_row(filter);
> >  }
> >
> >  static void
> > @@ -2484,7 +2561,7 @@ delete_orphan_ic_routes(struct ic_context *ctx,
> >  static void
> >  route_run(struct ic_context *ctx)
> >  {
> > -    if (!ctx->ovnisb_txn || !ctx->ovnnb_txn) {
> > +    if (!ctx->ovnisb_txn || !ctx->ovnnb_txn || !ctx->ovnsb_txn) {
> >          return;
> >      }
> >
> > @@ -3472,6 +3549,11 @@ main(int argc, char *argv[])
> >      ovsdb_idl_add_column(ovnsb_idl_loop.idl,
> >                           &sbrec_service_monitor_col_options);
> >
> > +    ovsdb_idl_add_table(ovnsb_idl_loop.idl, &sbrec_table_learned_route);
> > +    ovsdb_idl_add_column(ovnsb_idl_loop.idl,
> > +                         &sbrec_learned_route_col_ip_prefix);
> > +    ovsdb_idl_add_column(ovnsb_idl_loop.idl,
> > +                         &sbrec_learned_route_col_datapath);
> >      /* Create IDL indexes */
> >      struct ovsdb_idl_index *nbrec_ls_by_name
> >          = ovsdb_idl_index_create1(ovnnb_idl_loop.idl,
> > @@ -3487,10 +3569,17 @@ main(int argc, char *argv[])
> >      struct ovsdb_idl_index *sbrec_port_binding_by_name
> >          = ovsdb_idl_index_create1(ovnsb_idl_loop.idl,
> >                                    &sbrec_port_binding_col_logical_port);
> > +    struct ovsdb_idl_index *sbrec_datapath_binding_by_nb_uuid
> > +        = ovsdb_idl_index_create1(ovnsb_idl_loop.idl,
> > +                                  &sbrec_datapath_binding_col_nb_uuid);
> >      struct ovsdb_idl_index *sbrec_chassis_by_name
> >          = ovsdb_idl_index_create1(ovnsb_idl_loop.idl,
> >                                    &sbrec_chassis_col_name);
> >
> > +    struct ovsdb_idl_index *sbrec_learned_route_by_datapath
> > +        = ovsdb_idl_index_create1(ovnsb_idl_loop.idl,
> > +                                  &sbrec_learned_route_col_datapath);
> > +
> >     struct ovsdb_idl_index *sbrec_service_monitor_by_remote_type
> >          = ovsdb_idl_index_create1(ovnsb_idl_loop.idl,
> >                                    &sbrec_service_monitor_col_remote);
> > @@ -3598,7 +3687,11 @@ main(int argc, char *argv[])
> >                  .nbrec_lrp_by_name = nbrec_lrp_by_name,
> >                  .nbrec_port_by_name = nbrec_port_by_name,
> >                  .sbrec_port_binding_by_name =
> sbrec_port_binding_by_name,
> > +                .sbrec_datapath_binding_by_nb_uuid =
> > +                    sbrec_datapath_binding_by_nb_uuid,
> >                  .sbrec_chassis_by_name = sbrec_chassis_by_name,
> > +                .sbrec_learned_route_by_datapath =
> > +                  sbrec_learned_route_by_datapath,
> >                  .sbrec_service_monitor_by_remote_type =
> >                      sbrec_service_monitor_by_remote_type,
> >                  .sbrec_service_monitor_by_ic_learned =
> > diff --git a/tests/ovn-ic.at b/tests/ovn-ic.at
> > index c444cc214..809420111 100644
> > --- a/tests/ovn-ic.at
> > +++ b/tests/ovn-ic.at
> > @@ -3502,6 +3502,144 @@ OVN_CLEANUP_IC([az1], [az2])
> >  AT_CLEANUP
> >  ])
> >
> > +OVN_FOR_EACH_NORTHD([
> > +AT_SETUP([ovn-ic -- Check ovn-ic adv and learn from SB Learned Route])
> > +
> > +ovn_init_ic_db
> > +
> > +for i in 1 2; do
> > +    ovn_start az$i
> > +    ovn_as az$i
> > +
> > +    # Enable route learning at AZ level
> > +    check ovn-nbctl set nb_global . options:ic-route-learn=true
> > +    # Enable route advertising at AZ level
> > +    check ovn-nbctl set nb_global . options:ic-route-adv=true
> > +done
> > +
> > +# Create new transit switches and LRs. Test topology is next:
> > +#
> > +#
> > +# logical router (lr11) - transit switch (ts11) - logical router (lr12)
> > +#
> > +#
> > +
> > +# Create lr11, lr12 and ts11 and connect them
> > +for i in 1 2; do
> > +    ovn_as az$i
> > +
> > +    lr=lr1$i
> > +    check ovn-nbctl lr-add $lr
> > +
> > +    for j in 1; do
>
> Why do you need this 'for' here? I guess you can drop it
>
> > +        ts=ts1$j
> > +        check ovn-ic-nbctl --wait=sb --may-exist ts-add $ts
> > +
> > +        lrp=lrp-$lr-$ts
> > +        lsp=lsp-$ts-$lr
> > +        # Create LRP and connect to TS
> > +        check ovn-nbctl lrp-add $lr $lrp aa:aa:aa:aa:a$j:0$i
> 169.254.10$j.$i/24
> > +        check ovn-nbctl lsp-add $ts $lsp \
> > +                -- lsp-set-addresses $lsp router \
> > +                -- lsp-set-type $lsp router \
> > +                -- lsp-set-options $lsp router-port=$lrp
> > +    done
> > +done
> > +
> > +# Create directly-connected route in lr11
> > +check ovn_as az2 ovn-nbctl lrp-add lr12 lrp-lr12 aa:aa:aa:aa:bb:01 "
> 192.168.0.1/24"
> > +OVS_WAIT_FOR_OUTPUT([ovn_as az1 ovn-nbctl lr-route-list lr11 | grep
> 192.168 |
> > +             grep learned | awk '{print $1, $2}' | sort ], [0], [dnl
> > +192.168.0.0/24 169.254.101.2
> > +])
> > +
> > +ovn_as az2
> > +check ovn-nbctl --wait=sb set Logical_Router lr12
> option:dynamic-routing=true \
> > +    option:dynamic-routing-redistribute="connected,static"
> > +check ovn_as az2 ovn-nbctl --wait=sb lrp-add lr12 lr12-dr1
> 00:00:00:00:ff:01 10.0.0.1/24
> > +dr1=$(fetch_column port_binding _uuid logical_port=lr12-dr1)
> > +datapath=$(fetch_column datapath_binding _uuid external_ids:name=lr12)
> > +
> > +check_uuid ovn-sbctl create Learned_Route \
> > +    datapath=$datapath                    \
> > +    logical_port=$dr1                     \
> > +    ip_prefix=192.168.1.0/24              \
> > +    nexthop=10.0.0.20
> > +
> > +# Check Learned_Route adv in ovn-ic
> > +OVS_WAIT_FOR_OUTPUT([ovn_as az1 ovn-nbctl lr-route-list lr11 | grep
> 192.168 |
> > +             grep learned | awk '{print $1, $2}' | sort ], [0], [dnl
> > +192.168.0.0/24 169.254.101.2
> > +192.168.1.0/24 169.254.101.2
> > +])
> > +
> > +ovn_as az2
> > +learned=$(fetch_column Learned_Route _uuid ip_prefix=192.168.1.0/24)
> > +check ovn-sbctl destroy Learned_Route $learned
> > +
> > +# Check Learned_Route removed is not adv and learned.
> > +OVS_WAIT_FOR_OUTPUT([ovn_as az1 ovn-nbctl lr-route-list lr11 | grep
> 192.168 |
> > +             grep learned | awk '{print $1, $2}' | sort ], [0], [dnl
> > +192.168.0.0/24 169.254.101.2
> > +])
> > +
> > +
> > +# Duplicate routes, SB learn route by two paths.
> > +ovn_as az2
> > +check_uuid ovn-sbctl create Learned_Route \
> > +               datapath=$datapath         \
> > +               logical_port=$dr1          \
> > +               ip_prefix=192.168.1.0/24   \
> > +               nexthop=10.0.0.20
> > +
> > +check ovn-nbctl --wait=sb lrp-add lr12 lr12-dr2 00:00:00:00:ff:02
> 169.254.254.1/24
> > +dr2=$(fetch_column port_binding _uuid logical_port=lr12-dr2)
> > +
> > +check_uuid ovn-sbctl create Learned_Route \
> > +    datapath=$datapath                    \
> > +    logical_port=$dr2                     \
> > +    ip_prefix=192.168.1.0/24              \
> > +    nexthop=169.254.254.3
> > +
> > +check_uuid ovn-sbctl create Learned_Route \
> > +    datapath=$datapath                    \
> > +    logical_port=$dr2                     \
> > +    ip_prefix=192.168.2.0/24              \
> > +    nexthop=169.254.254.3
> > +
> > +OVS_WAIT_FOR_OUTPUT([ovn_as az1 ovn-nbctl lr-route-list lr11 | grep
> 192.168 |
> > +             grep learned | awk '{print $1, $2}' | sort ], [0], [dnl
> > +192.168.0.0/24 169.254.101.2
> > +192.168.1.0/24 169.254.101.2
> > +192.168.2.0/24 169.254.101.2
> > +])
> > +
> > +# Insert the same route Learned Route in the lr11 and don't learn by
> ovn-ic.
> > +ovn_as az1
> > +datapath_lr11=$(fetch_column datapath_binding _uuid
> external_ids:name=lr11)
> > +check ovn-nbctl --wait=sb lrp-add lr11 lr11-dr1 00:00:00:00:ff:03
> 169.254.254.2/24
> > +sw1_dr1=$(fetch_column port_binding _uuid logical_port=lr11-dr1)
> > +check_uuid ovn-sbctl create Learned_Route \
> > +    datapath=$datapath_lr11               \
> > +    logical_port=$sw1_dr1                 \
> > +    ip_prefix=192.168.1.0/24              \
> > +    nexthop=169.254.254.3
> > +
> > +OVS_WAIT_FOR_OUTPUT([ovn_as az1 ovn-nbctl lr-route-list lr11 | grep
> 192.168 |
> > +             grep learned | awk '{print $1, $2}' | sort ], [0], [dnl
> > +192.168.0.0/24 169.254.101.2
> > +192.168.2.0/24 169.254.101.2
> > +])
> > +
> > +OVS_WAIT_FOR_OUTPUT([ovn_as az2 ovn-nbctl lr-route-list lr12 | grep
> 192.168 |
> > +             grep learned | awk '{print $1, $2}' | sort ], [0], [dnl
> > +])
> > +
> > +OVN_CLEANUP_IC([az1], [az2])
> > +
> > +AT_CLEANUP
> > +])
> > +
> >  AT_BANNER([OVN Interconnection Service Monitor synchronization])
> >  OVN_FOR_EACH_NORTHD([
> >  AT_SETUP([ovn-ic -- Service Monitor synchronization: mock_test])
> > --
> > 2.43.0
> >
> >
> > --
> >
> >
> >
> >
> > _'Esta mensagem é direcionada apenas para os endereços constantes no
> > cabeçalho inicial. Se você não está listado nos endereços constantes no
> > cabeçalho, pedimos-lhe que desconsidere completamente o conteúdo dessa
> > mensagem e cuja cópia, encaminhamento e/ou execução das ações citadas
> estão
> > imediatamente anuladas e proibidas'._
> >
> >
> > * **'Apesar do Magazine Luiza tomar
> > todas as precauções razoáveis para assegurar que nenhum vírus esteja
> > presente nesse e-mail, a empresa não poderá aceitar a responsabilidade
> por
> > quaisquer perdas ou danos causados por esse e-mail ou por seus anexos'.*
> >
> >
> >
> > _______________________________________________
> > dev mailing list
> > [email protected]
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> >
>

-- 




_‘Esta mensagem é direcionada apenas para os endereços constantes no 
cabeçalho inicial. Se você não está listado nos endereços constantes no 
cabeçalho, pedimos-lhe que desconsidere completamente o conteúdo dessa 
mensagem e cuja cópia, encaminhamento e/ou execução das ações citadas estão 
imediatamente anuladas e proibidas’._


* **‘Apesar do Magazine Luiza tomar 
todas as precauções razoáveis para assegurar que nenhum vírus esteja 
presente nesse e-mail, a empresa não poderá aceitar a responsabilidade por 
quaisquer perdas ou danos causados por esse e-mail ou por seus anexos’.*



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