[ovs-dev] [PATCH ovn v6 1/4] ic: process only local port_bindings

Han Zhou hzhou at ovn.org
Thu Oct 14 03:23:38 UTC 2021


On Tue, Oct 5, 2021 at 1:25 PM Vladislav Odintsov <odivlad at gmail.com> wrote:
>
> This commit adds a small optimization by utilizing ovsdb_index
> to iterate over port_bindings.
> Prior to this change each iteration checked availability_zone
> and continued processing only if port_binding belons to local AZ.
>
> Now we run against port_bindings from local AZ only and don't check
> availability_zone.
>
> Signed-off-by: Vladislav Odintsov <odivlad at gmail.com>
> Acked-by: Numan Siddique <numans at ovn.org>
> ---
>  ic/ovn-ic.c | 16 ++++++++++------
>  1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/ic/ovn-ic.c b/ic/ovn-ic.c
> index 99356253d..303e93a4f 100644
> --- a/ic/ovn-ic.c
> +++ b/ic/ovn-ic.c
> @@ -68,6 +68,7 @@ struct ic_context {
>      struct ovsdb_idl_index *sbrec_port_binding_by_name;
>      struct ovsdb_idl_index *icsbrec_port_binding_by_az;
>      struct ovsdb_idl_index *icsbrec_port_binding_by_ts;
> +    struct ovsdb_idl_index *icsbrec_port_binding_by_ts_az;
>      struct ovsdb_idl_index *icsbrec_route_by_ts;
>      struct ovsdb_idl_index *icsbrec_route_by_ts_az;
>  };
> @@ -1386,17 +1387,14 @@ route_run(struct ic_context *ctx,
>          const struct icsbrec_port_binding *isb_pb;
>          const struct icsbrec_port_binding *isb_pb_key =
>              icsbrec_port_binding_index_init_row(
> -                ctx->icsbrec_port_binding_by_ts);
> +                ctx->icsbrec_port_binding_by_ts_az);
>          icsbrec_port_binding_index_set_transit_switch(isb_pb_key,
ts->name);
> +        icsbrec_port_binding_index_set_availability_zone(isb_pb_key, az);

This index row needs to be destroyed by calling
icsbrec_port_binding_index_destroy_row() after the below FOR loop.

Otherwise this patch looks good to me.

Thanks,
Han

>
>          /* Each port on TS maps to a logical router, which is stored in
the
>           * external_ids:router-id of the IC SB port_binding record. */
>          ICSBREC_PORT_BINDING_FOR_EACH_EQUAL (isb_pb, isb_pb_key,
> -
ctx->icsbrec_port_binding_by_ts) {
> -            if (isb_pb->availability_zone != az) {
> -                continue;
> -            }
> -
> +            ctx->icsbrec_port_binding_by_ts_az) {
>              const char *ts_lrp_name =
>                  get_lrp_name_by_ts_port_name(ctx, isb_pb->logical_port);
>              if (!ts_lrp_name) {
> @@ -1713,6 +1711,11 @@ main(int argc, char *argv[])
>          = ovsdb_idl_index_create1(ovnisb_idl_loop.idl,
>
 &icsbrec_port_binding_col_transit_switch);
>
> +    struct ovsdb_idl_index *icsbrec_port_binding_by_ts_az
> +        = ovsdb_idl_index_create2(ovnisb_idl_loop.idl,
> +
 &icsbrec_port_binding_col_transit_switch,
> +
 &icsbrec_port_binding_col_availability_zone);
> +
>      struct ovsdb_idl_index *icsbrec_route_by_ts
>          = ovsdb_idl_index_create1(ovnisb_idl_loop.idl,
>                                    &icsbrec_route_col_transit_switch);
> @@ -1763,6 +1766,7 @@ main(int argc, char *argv[])
>                  .sbrec_chassis_by_name = sbrec_chassis_by_name,
>                  .icsbrec_port_binding_by_az = icsbrec_port_binding_by_az,
>                  .icsbrec_port_binding_by_ts = icsbrec_port_binding_by_ts,
> +                .icsbrec_port_binding_by_ts_az =
icsbrec_port_binding_by_ts_az,
>                  .icsbrec_route_by_ts = icsbrec_route_by_ts,
>                  .icsbrec_route_by_ts_az = icsbrec_route_by_ts_az,
>              };
> --
> 2.30.0
>
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