[ovs-dev] [PATCH ovn v5 2/7] northd: Refactor load balancer vip parsing.

numans at ovn.org numans at ovn.org
Tue Nov 17 14:28:28 UTC 2020


From: Dumitru Ceara <dceara at redhat.com>

Parsing of the load balancer VIPs is moved to a separate file - lib/lb.c.
ovn-northd makes use of these functions. Upcoming patch will make use of these
util functions for parsing SB Load_Balancers.

Co-authored-by: Numan Siddique <numans at ovn.org>
Signed-off-by: Numan Siddique <numans at ovn.org>
Signed-off-by: Dumitru Ceara <dceara at redhat.com>
---
 lib/automake.mk     |   4 +-
 lib/lb.c            | 301 ++++++++++++++++++++++++++++++++
 lib/lb.h            |  97 +++++++++++
 northd/ovn-northd.c | 416 +++++++++++++-------------------------------
 4 files changed, 518 insertions(+), 300 deletions(-)
 create mode 100644 lib/lb.c
 create mode 100644 lib/lb.h

diff --git a/lib/automake.mk b/lib/automake.mk
index d38d5c50c7..250c7aefae 100644
--- a/lib/automake.mk
+++ b/lib/automake.mk
@@ -24,7 +24,9 @@ lib_libovn_la_SOURCES = \
 	lib/ovn-util.h \
 	lib/logical-fields.c \
 	lib/inc-proc-eng.c \
-	lib/inc-proc-eng.h
+	lib/inc-proc-eng.h \
+	lib/lb.c \
+	lib/lb.h
 nodist_lib_libovn_la_SOURCES = \
 	lib/ovn-dirs.c \
 	lib/ovn-nb-idl.c \
diff --git a/lib/lb.c b/lib/lb.c
new file mode 100644
index 0000000000..a90042e58f
--- /dev/null
+++ b/lib/lb.c
@@ -0,0 +1,301 @@
+/* Copyright (c) 2020, Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <config.h>
+
+#include "lb.h"
+#include "lib/ovn-nb-idl.h"
+#include "lib/ovn-sb-idl.h"
+#include "lib/ovn-util.h"
+
+/* OpenvSwitch lib includes. */
+#include "openvswitch/vlog.h"
+#include "lib/smap.h"
+
+VLOG_DEFINE_THIS_MODULE(lb);
+
+static
+bool ovn_lb_vip_init(struct ovn_lb_vip *lb_vip, const char *lb_key,
+                     const char *lb_value)
+{
+    int addr_family;
+
+    if (!ip_address_and_port_from_lb_key(lb_key, &lb_vip->vip_str,
+                                         &lb_vip->vip_port, &addr_family)) {
+        return false;
+    }
+
+    if (addr_family == AF_INET) {
+        ovs_be32 vip4;
+        ip_parse(lb_vip->vip_str, &vip4);
+        in6_addr_set_mapped_ipv4(&lb_vip->vip, vip4);
+    } else {
+        ipv6_parse(lb_vip->vip_str, &lb_vip->vip);
+    }
+
+    /* Format for backend ips: "IP1:port1,IP2:port2,...". */
+    size_t n_backends = 0;
+    size_t n_allocated_backends = 0;
+    char *tokstr = xstrdup(lb_value);
+    char *save_ptr = NULL;
+    for (char *token = strtok_r(tokstr, ",", &save_ptr);
+        token != NULL;
+        token = strtok_r(NULL, ",", &save_ptr)) {
+
+        if (n_backends == n_allocated_backends) {
+            lb_vip->backends = x2nrealloc(lb_vip->backends,
+                                          &n_allocated_backends,
+                                          sizeof *lb_vip->backends);
+        }
+
+        struct ovn_lb_backend *backend = &lb_vip->backends[n_backends];
+        int backend_addr_family;
+        if (!ip_address_and_port_from_lb_key(token, &backend->ip_str,
+                                             &backend->port,
+                                             &backend_addr_family)) {
+            continue;
+        }
+
+        if (addr_family != backend_addr_family) {
+            free(backend->ip_str);
+            continue;
+        }
+
+        if (addr_family == AF_INET) {
+            ovs_be32 ip4;
+            ip_parse(backend->ip_str, &ip4);
+            in6_addr_set_mapped_ipv4(&backend->ip, ip4);
+        } else {
+            ipv6_parse(backend->ip_str, &backend->ip);
+        }
+        n_backends++;
+    }
+    free(tokstr);
+    lb_vip->n_backends = n_backends;
+    return true;
+}
+
+static
+void ovn_lb_vip_destroy(struct ovn_lb_vip *vip)
+{
+    free(vip->vip_str);
+    for (size_t i = 0; i < vip->n_backends; i++) {
+        free(vip->backends[i].ip_str);
+    }
+    free(vip->backends);
+}
+
+static
+void ovn_northd_lb_vip_init(struct ovn_northd_lb_vip *lb_vip_nb,
+                            const struct ovn_lb_vip *lb_vip,
+                            const struct nbrec_load_balancer *nbrec_lb,
+                            const char *vip_port_str, const char *backend_ips,
+                            struct hmap *ports,
+                            void * (*ovn_port_find)(const struct hmap *ports,
+                                                    const char *name))
+{
+    lb_vip_nb->vip_port_str = xstrdup(vip_port_str);
+    lb_vip_nb->backend_ips = xstrdup(backend_ips);
+    lb_vip_nb->n_backends = lb_vip->n_backends;
+    lb_vip_nb->backends_nb = xcalloc(lb_vip_nb->n_backends,
+                                     sizeof *lb_vip_nb->backends_nb);
+
+    struct nbrec_load_balancer_health_check *lb_health_check = NULL;
+    if (nbrec_lb->protocol && !strcmp(nbrec_lb->protocol, "sctp")) {
+        if (nbrec_lb->n_health_check > 0) {
+            static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
+            VLOG_WARN_RL(&rl,
+                         "SCTP load balancers do not currently support "
+                         "health checks. Not creating health checks for "
+                         "load balancer " UUID_FMT,
+                         UUID_ARGS(&nbrec_lb->header_.uuid));
+        }
+    } else {
+        for (size_t j = 0; j < nbrec_lb->n_health_check; j++) {
+            if (!strcmp(nbrec_lb->health_check[j]->vip,
+                        lb_vip_nb->vip_port_str)) {
+                lb_health_check = nbrec_lb->health_check[j];
+                break;
+            }
+        }
+    }
+
+    lb_vip_nb->lb_health_check = lb_health_check;
+
+    for (size_t j = 0; j < lb_vip_nb->n_backends; j++) {
+        struct ovn_lb_backend *backend = &lb_vip->backends[j];
+        struct ovn_northd_lb_backend *backend_nb = &lb_vip_nb->backends_nb[j];
+
+        struct ovn_port *op = NULL;
+        char *svc_mon_src_ip = NULL;
+        const char *s = smap_get(&nbrec_lb->ip_port_mappings,
+                                 backend->ip_str);
+        if (s) {
+            char *port_name = xstrdup(s);
+            char *p = strstr(port_name, ":");
+            if (p) {
+                *p = 0;
+                p++;
+                op = ovn_port_find(ports, port_name);
+                svc_mon_src_ip = xstrdup(p);
+            }
+            free(port_name);
+        }
+
+        backend_nb->op = op;
+        backend_nb->svc_mon_src_ip = svc_mon_src_ip;
+    }
+}
+
+static
+void ovn_northd_lb_vip_destroy(struct ovn_northd_lb_vip *vip)
+{
+    free(vip->vip_port_str);
+    free(vip->backend_ips);
+    for (size_t i = 0; i < vip->n_backends; i++) {
+        free(vip->backends_nb[i].svc_mon_src_ip);
+    }
+    free(vip->backends_nb);
+}
+
+struct ovn_northd_lb *
+ovn_northd_lb_create(const struct nbrec_load_balancer *nbrec_lb,
+                     struct hmap *ports,
+                     void * (*ovn_port_find)(const struct hmap *ports,
+                                             const char *name))
+{
+    struct ovn_northd_lb *lb = xzalloc(sizeof *lb);
+
+    lb->nlb = nbrec_lb;
+    lb->n_vips = smap_count(&nbrec_lb->vips);
+    lb->vips = xcalloc(lb->n_vips, sizeof *lb->vips);
+    lb->vips_nb = xcalloc(lb->n_vips, sizeof *lb->vips_nb);
+    struct smap_node *node;
+    size_t n_vips = 0;
+
+    SMAP_FOR_EACH (node, &nbrec_lb->vips) {
+        struct ovn_lb_vip *lb_vip = &lb->vips[n_vips];
+        struct ovn_northd_lb_vip *lb_vip_nb = &lb->vips_nb[n_vips];
+
+        if (!ovn_lb_vip_init(lb_vip, node->key, node->value)) {
+            continue;
+        }
+        ovn_northd_lb_vip_init(lb_vip_nb, lb_vip, nbrec_lb,
+                               node->key, node->value, ports, ovn_port_find);
+        n_vips++;
+    }
+
+    /* It's possible that parsing VIPs fails.  Update the lb->n_vips to the
+     * correct value.
+     */
+    lb->n_vips = n_vips;
+
+    if (nbrec_lb->n_selection_fields) {
+        char *proto = NULL;
+        if (nbrec_lb->protocol && nbrec_lb->protocol[0]) {
+            proto = nbrec_lb->protocol;
+        }
+
+        struct ds sel_fields = DS_EMPTY_INITIALIZER;
+        for (size_t i = 0; i < lb->nlb->n_selection_fields; i++) {
+            char *field = lb->nlb->selection_fields[i];
+            if (!strcmp(field, "tp_src") && proto) {
+                ds_put_format(&sel_fields, "%s_src,", proto);
+            } else if (!strcmp(field, "tp_dst") && proto) {
+                ds_put_format(&sel_fields, "%s_dst,", proto);
+            } else {
+                ds_put_format(&sel_fields, "%s,", field);
+            }
+        }
+        ds_chomp(&sel_fields, ',');
+        lb->selection_fields = ds_steal_cstr(&sel_fields);
+    }
+    return lb;
+}
+
+struct ovn_northd_lb *
+ovn_northd_lb_find(struct hmap *lbs, const struct uuid *uuid)
+{
+    struct ovn_northd_lb *lb;
+    size_t hash = uuid_hash(uuid);
+    HMAP_FOR_EACH_WITH_HASH (lb, hmap_node, hash, lbs) {
+        if (uuid_equals(&lb->nlb->header_.uuid, uuid)) {
+            return lb;
+        }
+    }
+    return NULL;
+}
+
+void
+ovn_northd_lb_add_datapath(struct ovn_northd_lb *lb,
+                           const struct sbrec_datapath_binding *sb)
+{
+    if (lb->n_allocated_dps == lb->n_dps) {
+        lb->dps = x2nrealloc(lb->dps, &lb->n_allocated_dps, sizeof *lb->dps);
+    }
+    lb->dps[lb->n_dps++] = sb;
+}
+
+void
+ovn_northd_lb_destroy(struct ovn_northd_lb *lb)
+{
+    for (size_t i = 0; i < lb->n_vips; i++) {
+        ovn_lb_vip_destroy(&lb->vips[i]);
+        ovn_northd_lb_vip_destroy(&lb->vips_nb[i]);
+    }
+    free(lb->vips);
+    free(lb->vips_nb);
+    free(lb->selection_fields);
+    free(lb->dps);
+    free(lb);
+}
+
+struct ovn_controller_lb *
+ovn_controller_lb_create(const struct sbrec_load_balancer *sbrec_lb)
+{
+    struct ovn_controller_lb *lb = xzalloc(sizeof *lb);
+
+    lb->slb = sbrec_lb;
+    lb->n_vips = smap_count(&sbrec_lb->vips);
+    lb->vips = xcalloc(lb->n_vips, sizeof *lb->vips);
+
+    struct smap_node *node;
+    size_t n_vips = 0;
+
+    SMAP_FOR_EACH (node, &sbrec_lb->vips) {
+        struct ovn_lb_vip *lb_vip = &lb->vips[n_vips];
+
+        if (!ovn_lb_vip_init(lb_vip, node->key, node->value)) {
+            continue;
+        }
+        n_vips++;
+    }
+
+    /* It's possible that parsing VIPs fails.  Update the lb->n_vips to the
+     * correct value.
+     */
+    lb->n_vips = n_vips;
+    return lb;
+}
+
+void
+ovn_controller_lb_destroy(struct ovn_controller_lb *lb)
+{
+    for (size_t i = 0; i < lb->n_vips; i++) {
+        ovn_lb_vip_destroy(&lb->vips[i]);
+    }
+    free(lb->vips);
+    free(lb);
+}
diff --git a/lib/lb.h b/lib/lb.h
new file mode 100644
index 0000000000..6644ad0d89
--- /dev/null
+++ b/lib/lb.h
@@ -0,0 +1,97 @@
+/* Copyright (c) 2020, Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef OVN_LIB_LB_H
+#define OVN_LIB_LB_H 1
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include "openvswitch/hmap.h"
+
+struct nbrec_load_balancer;
+struct sbrec_load_balancer;
+struct sbrec_datapath_binding;
+struct ovn_port;
+struct uuid;
+
+struct ovn_northd_lb {
+    struct hmap_node hmap_node;
+
+    const struct nbrec_load_balancer *nlb; /* May be NULL. */
+    const struct sbrec_load_balancer *slb; /* May be NULL. */
+    char *selection_fields;
+    struct ovn_lb_vip *vips;
+    struct ovn_northd_lb_vip *vips_nb;
+    size_t n_vips;
+
+    size_t n_dps;
+    size_t n_allocated_dps;
+    const struct sbrec_datapath_binding **dps;
+};
+
+struct ovn_lb_vip {
+    struct in6_addr vip;
+    char *vip_str;
+    uint16_t vip_port;
+
+    struct ovn_lb_backend *backends;
+    size_t n_backends;
+};
+
+struct ovn_lb_backend {
+    struct in6_addr ip;
+    char *ip_str;
+    uint16_t port;
+};
+
+/* ovn-northd specific backend information. */
+struct ovn_northd_lb_vip {
+    char *vip_port_str;
+    char *backend_ips;
+    struct ovn_northd_lb_backend *backends_nb;
+    size_t n_backends;
+
+    struct nbrec_load_balancer_health_check *lb_health_check;
+};
+
+struct ovn_northd_lb_backend {
+    struct ovn_port *op; /* Logical port to which the ip belong to. */
+    bool health_check;
+    char *svc_mon_src_ip; /* Source IP to use for monitoring. */
+    const struct sbrec_service_monitor *sbrec_monitor;
+};
+
+struct ovn_northd_lb *ovn_northd_lb_create(
+    const struct nbrec_load_balancer *,
+    struct hmap *ports,
+    void * (*ovn_port_find)(const struct hmap *ports, const char *name));
+struct ovn_northd_lb * ovn_northd_lb_find(struct hmap *, const struct uuid *);
+void ovn_northd_lb_destroy(struct ovn_northd_lb *);
+void ovn_northd_lb_add_datapath(struct ovn_northd_lb *,
+                                const struct sbrec_datapath_binding *);
+
+struct ovn_controller_lb {
+    const struct sbrec_load_balancer *slb; /* May be NULL. */
+
+    struct ovn_lb_vip *vips;
+    size_t n_vips;
+};
+
+struct ovn_controller_lb *ovn_controller_lb_create(
+    const struct sbrec_load_balancer *);
+void ovn_controller_lb_destroy(struct ovn_controller_lb *);
+
+#endif /* OVN_LIB_LB_H 1 */
diff --git a/northd/ovn-northd.c b/northd/ovn-northd.c
index 7f470afe89..2445c763e2 100644
--- a/northd/ovn-northd.c
+++ b/northd/ovn-northd.c
@@ -35,6 +35,7 @@
 #include "lib/ovn-nb-idl.h"
 #include "lib/ovn-sb-idl.h"
 #include "lib/ovn-util.h"
+#include "lib/lb.h"
 #include "ovn/actions.h"
 #include "ovn/logical-fields.h"
 #include "packets.h"
@@ -3320,66 +3321,6 @@ cleanup_sb_ha_chassis_groups(struct northd_context *ctx,
     }
 }
 
-struct ovn_lb {
-    struct hmap_node hmap_node;
-
-    const struct nbrec_load_balancer *nlb; /* May be NULL. */
-    const struct sbrec_load_balancer *slb; /* May be NULL. */
-    char *selection_fields;
-    struct lb_vip *vips;
-    size_t n_vips;
-
-    size_t n_dps;
-    size_t n_allocated_dps;
-    const struct sbrec_datapath_binding **dps;
-};
-
-struct lb_vip {
-    char *vip;
-    uint16_t vip_port;
-    int addr_family;
-    char *backend_ips;
-
-    bool health_check;
-    struct lb_vip_backend *backends;
-    size_t n_backends;
-};
-
-struct lb_vip_backend {
-    char *ip;
-    uint16_t port;
-    int addr_family;
-
-    struct ovn_port *op; /* Logical port to which the ip belong to. */
-    bool health_check;
-    char *svc_mon_src_ip; /* Source IP to use for monitoring. */
-    const struct sbrec_service_monitor *sbrec_monitor;
-};
-
-
-static inline struct ovn_lb *
-ovn_lb_find(struct hmap *lbs, const struct uuid *uuid)
-{
-    struct ovn_lb *lb;
-    size_t hash = uuid_hash(uuid);
-    HMAP_FOR_EACH_WITH_HASH (lb, hmap_node, hash, lbs) {
-        if (uuid_equals(&lb->nlb->header_.uuid, uuid)) {
-            return lb;
-        }
-    }
-
-    return NULL;
-}
-
-static void
-ovn_lb_add_datapath(struct ovn_lb *lb, struct ovn_datapath *od)
-{
-    if (lb->n_allocated_dps == lb->n_dps) {
-        lb->dps = x2nrealloc(lb->dps, &lb->n_allocated_dps, sizeof *lb->dps);
-    }
-    lb->dps[lb->n_dps++] = od->sb;
-}
-
 struct service_monitor_info {
     struct hmap_node hmap_node;
     const struct sbrec_service_monitor *sbrec_mon;
@@ -3419,126 +3360,39 @@ create_or_get_service_mon(struct northd_context *ctx,
     return mon_info;
 }
 
-static struct ovn_lb *
-ovn_lb_create(struct northd_context *ctx, struct hmap *lbs,
-              const struct nbrec_load_balancer *nbrec_lb,
-              struct hmap *ports, struct hmap *monitor_map)
+static void
+ovn_lb_svc_create(struct northd_context *ctx, struct ovn_northd_lb *lb,
+                  struct hmap *monitor_map)
 {
-    struct ovn_lb *lb = xzalloc(sizeof *lb);
-
-    size_t hash = uuid_hash(&nbrec_lb->header_.uuid);
-    lb->nlb = nbrec_lb;
-    hmap_insert(lbs, &lb->hmap_node, hash);
-
-    lb->n_vips = smap_count(&nbrec_lb->vips);
-    lb->vips = xcalloc(lb->n_vips, sizeof (struct lb_vip));
-    struct smap_node *node;
-    size_t n_vips = 0;
-
-    SMAP_FOR_EACH (node, &nbrec_lb->vips) {
-        char *vip;
-        uint16_t port;
-        int addr_family;
+    for (size_t i = 0; i < lb->n_vips; i++) {
+        struct ovn_lb_vip *lb_vip = &lb->vips[i];
+        struct ovn_northd_lb_vip *lb_vip_nb = &lb->vips_nb[i];
 
-        if (!ip_address_and_port_from_lb_key(node->key, &vip, &port,
-                                             &addr_family)) {
+        if (!lb_vip_nb->lb_health_check) {
             continue;
         }
 
-        lb->vips[n_vips].vip = vip;
-        lb->vips[n_vips].vip_port = port;
-        lb->vips[n_vips].addr_family = addr_family;
-        lb->vips[n_vips].backend_ips = xstrdup(node->value);
-
-        struct nbrec_load_balancer_health_check *lb_health_check = NULL;
-        if (nbrec_lb->protocol && !strcmp(nbrec_lb->protocol, "sctp")) {
-            if (nbrec_lb->n_health_check > 0) {
-                static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
-                VLOG_WARN_RL(&rl,
-                             "SCTP load balancers do not currently support "
-                             "health checks. Not creating health checks for "
-                             "load balancer " UUID_FMT,
-                             UUID_ARGS(&nbrec_lb->header_.uuid));
-            }
-        } else {
-            for (size_t i = 0; i < nbrec_lb->n_health_check; i++) {
-                if (!strcmp(nbrec_lb->health_check[i]->vip, node->key)) {
-                    lb_health_check = nbrec_lb->health_check[i];
-                    break;
-                }
-            }
-        }
-
-        char *tokstr = xstrdup(node->value);
-        char *save_ptr = NULL;
-        char *token;
-        size_t n_backends = 0;
-        /* Format for a backend ips : IP1:port1,IP2:port2,...". */
-        for (token = strtok_r(tokstr, ",", &save_ptr);
-            token != NULL;
-            token = strtok_r(NULL, ",", &save_ptr)) {
-            n_backends++;
-        }
-
-        free(tokstr);
-        tokstr = xstrdup(node->value);
-        save_ptr = NULL;
-
-        lb->vips[n_vips].n_backends = n_backends;
-        lb->vips[n_vips].backends = xcalloc(n_backends,
-                                            sizeof (struct lb_vip_backend));
-        lb->vips[n_vips].health_check = lb_health_check ? true: false;
+        for (size_t j = 0; j < lb_vip->n_backends; j++) {
+            struct ovn_lb_backend *backend = &lb_vip->backends[j];
+            struct ovn_northd_lb_backend *backend_nb =
+                &lb_vip_nb->backends_nb[j];
 
-        size_t i = 0;
-        for (token = strtok_r(tokstr, ",", &save_ptr);
-            token != NULL;
-            token = strtok_r(NULL, ",", &save_ptr)) {
-            char *backend_ip;
-            uint16_t backend_port;
-
-            if (!ip_address_and_port_from_lb_key(token, &backend_ip,
-                                                 &backend_port,
-                                                 &addr_family)) {
-                continue;
-            }
-
-            /* Get the logical port to which this ip belongs to. */
-            struct ovn_port *op = NULL;
-            char *svc_mon_src_ip = NULL;
-            const char *s = smap_get(&nbrec_lb->ip_port_mappings,
-                                     backend_ip);
-            if (s) {
-                char *port_name = xstrdup(s);
-                char *p = strstr(port_name, ":");
-                if (p) {
-                    *p = 0;
-                    p++;
-                    op = ovn_port_find(ports, port_name);
-                    svc_mon_src_ip = xstrdup(p);
-                }
-                free(port_name);
-            }
-
-            lb->vips[n_vips].backends[i].ip = backend_ip;
-            lb->vips[n_vips].backends[i].port = backend_port;
-            lb->vips[n_vips].backends[i].addr_family = addr_family;
-            lb->vips[n_vips].backends[i].op = op;
-            lb->vips[n_vips].backends[i].svc_mon_src_ip = svc_mon_src_ip;
-
-            if (lb_health_check && op && svc_mon_src_ip) {
-                const char *protocol = nbrec_lb->protocol;
+            if (backend_nb->op && backend_nb->svc_mon_src_ip) {
+                const char *protocol = lb->nlb->protocol;
                 if (!protocol || !protocol[0]) {
                     protocol = "tcp";
                 }
-                lb->vips[n_vips].backends[i].health_check = true;
+                backend_nb->health_check = true;
                 struct service_monitor_info *mon_info =
-                    create_or_get_service_mon(ctx, monitor_map, backend_ip,
-                                              op->nbsp->name, backend_port,
+                    create_or_get_service_mon(ctx, monitor_map,
+                                              backend->ip_str,
+                                              backend_nb->op->nbsp->name,
+                                              backend->port,
                                               protocol);
 
                 ovs_assert(mon_info);
                 sbrec_service_monitor_set_options(
-                    mon_info->sbrec_mon, &lb_health_check->options);
+                    mon_info->sbrec_mon, &lb_vip_nb->lb_health_check->options);
                 struct eth_addr ea;
                 if (!mon_info->sbrec_mon->src_mac ||
                     !eth_addr_from_string(mon_info->sbrec_mon->src_mac, &ea) ||
@@ -3548,89 +3402,45 @@ ovn_lb_create(struct northd_context *ctx, struct hmap *lbs,
                 }
 
                 if (!mon_info->sbrec_mon->src_ip ||
-                    strcmp(mon_info->sbrec_mon->src_ip, svc_mon_src_ip)) {
-                    sbrec_service_monitor_set_src_ip(mon_info->sbrec_mon,
-                                                     svc_mon_src_ip);
+                    strcmp(mon_info->sbrec_mon->src_ip,
+                           backend_nb->svc_mon_src_ip)) {
+                    sbrec_service_monitor_set_src_ip(
+                        mon_info->sbrec_mon,
+                        backend_nb->svc_mon_src_ip);
                 }
 
-                lb->vips[n_vips].backends[i].sbrec_monitor =
-                    mon_info->sbrec_mon;
+                backend_nb->sbrec_monitor = mon_info->sbrec_mon;
                 mon_info->required = true;
-            } else {
-                lb->vips[n_vips].backends[i].health_check = false;
-            }
-
-            i++;
-        }
-
-        free(tokstr);
-        n_vips++;
-    }
-
-    char *proto = NULL;
-    if (nbrec_lb->protocol && nbrec_lb->protocol[0]) {
-        proto = nbrec_lb->protocol;
-    }
-
-    if (lb->nlb->n_selection_fields) {
-        struct ds sel_fields = DS_EMPTY_INITIALIZER;
-        for (size_t i = 0; i < lb->nlb->n_selection_fields; i++) {
-            char *field = lb->nlb->selection_fields[i];
-            if (!strcmp(field, "tp_src") && proto) {
-                ds_put_format(&sel_fields, "%s_src,", proto);
-            } else if (!strcmp(field, "tp_dst") && proto) {
-                ds_put_format(&sel_fields, "%s_dst,", proto);
-            } else {
-                ds_put_format(&sel_fields, "%s,", field);
             }
         }
-        ds_chomp(&sel_fields, ',');
-        lb->selection_fields = ds_steal_cstr(&sel_fields);
     }
-
-    return lb;
 }
 
-static void
-ovn_lb_destroy(struct ovn_lb *lb)
-{
-    for (size_t i = 0; i < lb->n_vips; i++) {
-        free(lb->vips[i].vip);
-        free(lb->vips[i].backend_ips);
-
-        for (size_t j = 0; j < lb->vips[i].n_backends; j++) {
-            free(lb->vips[i].backends[j].ip);
-            free(lb->vips[i].backends[j].svc_mon_src_ip);
-        }
-
-        free(lb->vips[i].backends);
-    }
-    free(lb->vips);
-    free(lb->selection_fields);
-    free(lb->dps);
-}
-
-static void build_lb_vip_ct_lb_actions(struct lb_vip *lb_vip,
-                                       struct ds *action,
-                                       char *selection_fields)
+static
+void build_lb_vip_ct_lb_actions(struct ovn_lb_vip *lb_vip,
+                                struct ovn_northd_lb_vip *lb_vip_nb,
+                                struct ds *action,
+                                char *selection_fields)
 {
     bool skip_hash_fields = false;
 
-    if (lb_vip->health_check) {
+    if (lb_vip_nb->lb_health_check) {
         ds_put_cstr(action, "ct_lb(backends=");
 
         size_t n_active_backends = 0;
-        for (size_t k = 0; k < lb_vip->n_backends; k++) {
-            struct lb_vip_backend *backend = &lb_vip->backends[k];
-            if (backend->health_check && backend->sbrec_monitor &&
-                backend->sbrec_monitor->status &&
-                strcmp(backend->sbrec_monitor->status, "online")) {
+        for (size_t i = 0; i < lb_vip->n_backends; i++) {
+            struct ovn_lb_backend *backend = &lb_vip->backends[i];
+            struct ovn_northd_lb_backend *backend_nb =
+                &lb_vip_nb->backends_nb[i];
+            if (backend_nb->health_check && backend_nb->sbrec_monitor &&
+                backend_nb->sbrec_monitor->status &&
+                strcmp(backend_nb->sbrec_monitor->status, "online")) {
                 continue;
             }
 
             n_active_backends++;
             ds_put_format(action, "%s:%"PRIu16",",
-            backend->ip, backend->port);
+                          backend->ip_str, backend->port);
         }
 
         if (!n_active_backends) {
@@ -3642,7 +3452,7 @@ static void build_lb_vip_ct_lb_actions(struct lb_vip *lb_vip,
             ds_put_cstr(action, ");");
         }
     } else {
-        ds_put_format(action, "ct_lb(backends=%s);", lb_vip->backend_ips);
+        ds_put_format(action, "ct_lb(backends=%s);", lb_vip_nb->backend_ips);
     }
 
     if (!skip_hash_fields && selection_fields && selection_fields[0]) {
@@ -3672,7 +3482,14 @@ build_ovn_lbs(struct northd_context *ctx, struct hmap *datapaths,
 
     const struct nbrec_load_balancer *nbrec_lb;
     NBREC_LOAD_BALANCER_FOR_EACH (nbrec_lb, ctx->ovnnb_idl) {
-        ovn_lb_create(ctx, lbs, nbrec_lb, ports, &monitor_map);
+        struct ovn_northd_lb *lb =
+            ovn_northd_lb_create(nbrec_lb, ports, (void *)ovn_port_find);
+        hmap_insert(lbs, &lb->hmap_node, uuid_hash(&nbrec_lb->header_.uuid));
+    }
+
+    struct ovn_northd_lb *lb;
+    HMAP_FOR_EACH (lb, hmap_node, lbs) {
+        ovn_lb_svc_create(ctx, lb, &monitor_map);
     }
 
     struct ovn_datapath *od;
@@ -3684,14 +3501,12 @@ build_ovn_lbs(struct northd_context *ctx, struct hmap *datapaths,
         for (size_t i = 0; i < od->nbs->n_load_balancer; i++) {
             const struct uuid *lb_uuid =
                 &od->nbs->load_balancer[i]->header_.uuid;
-            struct ovn_lb *lb = ovn_lb_find(lbs, lb_uuid);
+            lb = ovn_northd_lb_find(lbs, lb_uuid);
 
-            ovn_lb_add_datapath(lb, od);
+            ovn_northd_lb_add_datapath(lb, od->sb);
         }
     }
 
-    struct ovn_lb *lb;
-
     /* Delete any stale SB load balancer rows. */
     const struct sbrec_load_balancer *sbrec_lb, *next;
     SBREC_LOAD_BALANCER_FOR_EACH_SAFE (sbrec_lb, next, ctx->ovnsb_idl) {
@@ -3702,7 +3517,7 @@ build_ovn_lbs(struct northd_context *ctx, struct hmap *datapaths,
             continue;
         }
 
-        lb = ovn_lb_find(lbs, &lb_uuid);
+        lb = ovn_northd_lb_find(lbs, &lb_uuid);
         if (lb && lb->n_dps) {
             lb->slb = sbrec_lb;
         } else {
@@ -3747,7 +3562,7 @@ build_ovn_lbs(struct northd_context *ctx, struct hmap *datapaths,
         for (size_t i = 0; i < od->nbs->n_load_balancer; i++) {
             const struct uuid *lb_uuid =
                 &od->nbs->load_balancer[i]->header_.uuid;
-            lb = ovn_lb_find(lbs, lb_uuid);
+            lb = ovn_northd_lb_find(lbs, lb_uuid);
             sbrec_lbs[i] = lb->slb;
         }
 
@@ -3768,16 +3583,6 @@ build_ovn_lbs(struct northd_context *ctx, struct hmap *datapaths,
     hmap_destroy(&monitor_map);
 }
 
-static void
-destroy_ovn_lbs(struct hmap *lbs)
-{
-    struct ovn_lb *lb;
-    HMAP_FOR_EACH_POP (lb, hmap_node, lbs) {
-        ovn_lb_destroy(lb);
-        free(lb);
-    }
-}
-
 static bool
 ovn_port_add_tnlid(struct ovn_port *op, uint32_t tunnel_key)
 {
@@ -5196,7 +5001,7 @@ ls_has_dns_records(const struct nbrec_logical_switch *nbs)
 
 static void
 build_empty_lb_event_flow(struct ovn_datapath *od, struct hmap *lflows,
-                          struct lb_vip *lb_vip,
+                          struct ovn_lb_vip *lb_vip,
                           struct nbrec_load_balancer *lb,
                           int pl, struct shash *meter_groups)
 {
@@ -5204,7 +5009,7 @@ build_empty_lb_event_flow(struct ovn_datapath *od, struct hmap *lflows,
         return;
     }
 
-    bool ipv4 = (lb_vip->addr_family == AF_INET);
+    bool ipv4 = IN6_IS_ADDR_V4MAPPED(&lb_vip->vip);
     struct ds match = DS_EMPTY_INITIALIZER;
     char *meter = "", *action;
 
@@ -5213,13 +5018,13 @@ build_empty_lb_event_flow(struct ovn_datapath *od, struct hmap *lflows,
     }
 
     ds_put_format(&match, "ip%s.dst == %s && %s",
-                  ipv4 ? "4": "6", lb_vip->vip, lb->protocol);
+                  ipv4 ? "4": "6", lb_vip->vip_str, lb->protocol);
 
-    char *vip = lb_vip->vip;
+    char *vip = lb_vip->vip_str;
     if (lb_vip->vip_port) {
         ds_put_format(&match, " && %s.dst == %u", lb->protocol,
                       lb_vip->vip_port);
-        vip = xasprintf("%s%s%s:%u", ipv4 ? "" : "[", lb_vip->vip,
+        vip = xasprintf("%s%s%s:%u", ipv4 ? "" : "[", lb_vip->vip_str,
                         ipv4 ? "" : "]", lb_vip->vip_port);
     }
 
@@ -5288,12 +5093,12 @@ build_pre_lb(struct ovn_datapath *od, struct hmap *lflows,
     bool vip_configured = false;
     for (int i = 0; i < od->nbs->n_load_balancer; i++) {
         struct nbrec_load_balancer *nb_lb = od->nbs->load_balancer[i];
-        struct ovn_lb *lb =
-            ovn_lb_find(lbs, &nb_lb->header_.uuid);
+        struct ovn_northd_lb *lb =
+            ovn_northd_lb_find(lbs, &nb_lb->header_.uuid);
         ovs_assert(lb);
 
         for (size_t j = 0; j < lb->n_vips; j++) {
-            struct lb_vip *lb_vip = &lb->vips[j];
+            struct ovn_lb_vip *lb_vip = &lb->vips[j];
             build_empty_lb_event_flow(od, lflows, lb_vip, nb_lb,
                                       S_SWITCH_IN_PRE_LB, meter_groups);
 
@@ -6024,7 +5829,8 @@ build_lb(struct ovn_datapath *od, struct hmap *lflows)
 
 static void
 build_lb_hairpin_rules(struct ovn_datapath *od, struct hmap *lflows,
-                       struct ovn_lb *lb, struct lb_vip *lb_vip,
+                       struct ovn_northd_lb *lb,
+                       struct ovn_lb_vip *lb_vip,
                        const char *ip_match, const char *proto)
 {
     if (lb_vip->n_backends == 0) {
@@ -6046,7 +5852,7 @@ build_lb_hairpin_rules(struct ovn_datapath *od, struct hmap *lflows,
      */
     ds_put_char(&match_reply, '(');
     for (size_t i = 0; i < lb_vip->n_backends; i++) {
-        struct lb_vip_backend *backend = &lb_vip->backends[i];
+        struct ovn_lb_backend *backend = &lb_vip->backends[i];
 
         /* Packets that after load balancing have equal source and
          * destination IPs should be hairpinned.
@@ -6056,7 +5862,7 @@ build_lb_hairpin_rules(struct ovn_datapath *od, struct hmap *lflows,
                           proto, backend->port);
         }
         ds_put_format(&match_initiator, "(%s.src == %s && %s.dst == %s%s)",
-                      ip_match, backend->ip, ip_match, backend->ip,
+                      ip_match, backend->ip_str, ip_match, backend->ip_str,
                       ds_cstr(&proto_match));
 
         /* Replies to hairpinned traffic are originated by backend->ip:port. */
@@ -6065,8 +5871,8 @@ build_lb_hairpin_rules(struct ovn_datapath *od, struct hmap *lflows,
             ds_put_format(&proto_match, " && %s.src == %"PRIu16, proto,
                           backend->port);
         }
-        ds_put_format(&match_reply, "(%s.src == %s%s)", ip_match, backend->ip,
-                      ds_cstr(&proto_match));
+        ds_put_format(&match_reply, "(%s.src == %s%s)",
+                      ip_match, backend->ip_str, ds_cstr(&proto_match));
         ds_clear(&proto_match);
 
         if (i < lb_vip->n_backends - 1) {
@@ -6080,13 +5886,13 @@ build_lb_hairpin_rules(struct ovn_datapath *od, struct hmap *lflows,
      * also directed through OVN.
      */
     ds_put_format(&action, REGBIT_HAIRPIN " = 1; ct_snat(%s);",
-                  lb_vip->vip);
+                  lb_vip->vip_str);
     ovn_lflow_add_with_hint(lflows, od, S_SWITCH_IN_PRE_HAIRPIN, 2,
                             ds_cstr(&match_initiator), ds_cstr(&action),
                             &lb->nlb->header_);
 
     /* Replies to hairpinned traffic are destined to the LB VIP. */
-    ds_put_format(&match_reply, " && %s.dst == %s", ip_match, lb_vip->vip);
+    ds_put_format(&match_reply, " && %s.dst == %s", ip_match, lb_vip->vip_str);
 
     /* UNSNAT replies for hairpinned traffic. */
     ovn_lflow_add_with_hint(lflows, od, S_SWITCH_IN_PRE_HAIRPIN, 1,
@@ -6101,13 +5907,15 @@ build_lb_hairpin_rules(struct ovn_datapath *od, struct hmap *lflows,
 }
 
 static void
-build_lb_rules(struct ovn_datapath *od, struct hmap *lflows, struct ovn_lb *lb)
+build_lb_rules(struct ovn_datapath *od, struct hmap *lflows,
+               struct ovn_northd_lb *lb)
 {
     for (size_t i = 0; i < lb->n_vips; i++) {
-        struct lb_vip *lb_vip = &lb->vips[i];
+        struct ovn_lb_vip *lb_vip = &lb->vips[i];
+        struct ovn_northd_lb_vip *lb_vip_nb = &lb->vips_nb[i];
 
         const char *ip_match = NULL;
-        if (lb_vip->addr_family == AF_INET) {
+        if (IN6_IS_ADDR_V4MAPPED(&lb_vip->vip)) {
             ip_match = "ip4";
         } else {
             ip_match = "ip6";
@@ -6127,10 +5935,12 @@ build_lb_rules(struct ovn_datapath *od, struct hmap *lflows, struct ovn_lb *lb)
 
         /* New connections in Ingress table. */
         struct ds action = DS_EMPTY_INITIALIZER;
-        build_lb_vip_ct_lb_actions(lb_vip, &action, lb->selection_fields);
+        build_lb_vip_ct_lb_actions(lb_vip, lb_vip_nb, &action,
+                                   lb->selection_fields);
 
         struct ds match = DS_EMPTY_INITIALIZER;
-        ds_put_format(&match, "ct.new && %s.dst == %s", ip_match, lb_vip->vip);
+        ds_put_format(&match, "ct.new && %s.dst == %s", ip_match,
+                      lb_vip->vip_str);
         if (lb_vip->vip_port) {
             ds_put_format(&match, " && %s.dst == %d", proto, lb_vip->vip_port);
             ovn_lflow_add_with_hint(lflows, od, S_SWITCH_IN_STATEFUL, 120,
@@ -6190,8 +6000,8 @@ build_stateful(struct ovn_datapath *od, struct hmap *lflows, struct hmap *lbs)
      * connection, so it is okay if we do not hit the above match on
      * REGBIT_CONNTRACK_COMMIT. */
     for (int i = 0; i < od->nbs->n_load_balancer; i++) {
-        struct ovn_lb *lb =
-            ovn_lb_find(lbs, &od->nbs->load_balancer[i]->header_.uuid);
+        struct ovn_northd_lb *lb =
+            ovn_northd_lb_find(lbs, &od->nbs->load_balancer[i]->header_.uuid);
 
         ovs_assert(lb);
         build_lb_rules(od, lflows, lb);
@@ -7080,22 +6890,24 @@ build_lswitch_flows(struct hmap *datapaths, struct hmap *ports,
 
     /* Ingress table 13: ARP/ND responder for service monitor source ip.
      * (priority 110)*/
-    struct ovn_lb *lb;
+    struct ovn_northd_lb *lb;
     HMAP_FOR_EACH (lb, hmap_node, lbs) {
         for (size_t i = 0; i < lb->n_vips; i++) {
-            if (!lb->vips[i].health_check) {
+            struct ovn_northd_lb_vip *lb_vip_nb = &lb->vips_nb[i];
+            if (!lb_vip_nb->lb_health_check) {
                 continue;
             }
 
-            for (size_t j = 0; j < lb->vips[i].n_backends; j++) {
-                if (!lb->vips[i].backends[j].op ||
-                    !lb->vips[i].backends[j].svc_mon_src_ip) {
+            for (size_t j = 0; j < lb_vip_nb->n_backends; j++) {
+                struct ovn_northd_lb_backend *backend_nb =
+                    &lb_vip_nb->backends_nb[i];
+                if (!backend_nb->op || !backend_nb->svc_mon_src_ip) {
                     continue;
                 }
 
                 ds_clear(&match);
                 ds_put_format(&match, "arp.tpa == %s && arp.op == 1",
-                              lb->vips[i].backends[j].svc_mon_src_ip);
+                              backend_nb->svc_mon_src_ip);
                 ds_clear(&actions);
                 ds_put_format(&actions,
                     "eth.dst = eth.src; "
@@ -7109,9 +6921,9 @@ build_lswitch_flows(struct hmap *datapaths, struct hmap *ports,
                     "flags.loopback = 1; "
                     "output;",
                     svc_monitor_mac, svc_monitor_mac,
-                    lb->vips[i].backends[j].svc_mon_src_ip);
+                    backend_nb->svc_mon_src_ip);
                 ovn_lflow_add_with_hint(lflows,
-                                        lb->vips[i].backends[j].op->od,
+                                        backend_nb->op->od,
                                         S_SWITCH_IN_ARP_ND_RSP, 110,
                                         ds_cstr(&match), ds_cstr(&actions),
                                         &lb->nlb->header_);
@@ -8334,7 +8146,7 @@ get_force_snat_ip(struct ovn_datapath *od, const char *key_type,
 static void
 add_router_lb_flow(struct hmap *lflows, struct ovn_datapath *od,
                    struct ds *match, struct ds *actions, int priority,
-                   bool lb_force_snat_ip, struct lb_vip *lb_vip,
+                   bool lb_force_snat_ip, struct ovn_lb_vip *lb_vip,
                    const char *proto, struct nbrec_load_balancer *lb,
                    struct shash *meter_groups, struct sset *nat_entries)
 {
@@ -8370,13 +8182,13 @@ add_router_lb_flow(struct hmap *lflows, struct ovn_datapath *od,
     free(est_match);
 
     const char *ip_match = NULL;
-    if (lb_vip->addr_family == AF_INET) {
+    if (IN6_IS_ADDR_V4MAPPED(&lb_vip->vip)) {
         ip_match = "ip4";
     } else {
         ip_match = "ip6";
     }
 
-    if (sset_contains(nat_entries, lb_vip->vip)) {
+    if (sset_contains(nat_entries, lb_vip->vip_str)) {
         /* The load balancer vip is also present in the NAT entries.
          * So add a high priority lflow to advance the the packet
          * destined to the vip (and the vip port if defined)
@@ -8390,7 +8202,7 @@ add_router_lb_flow(struct hmap *lflows, struct ovn_datapath *od,
          * S_ROUTER_IN_DNAT stage. */
         struct ds unsnat_match = DS_EMPTY_INITIALIZER;
         ds_put_format(&unsnat_match, "%s && %s.dst == %s && %s",
-                      ip_match, ip_match, lb_vip->vip, proto);
+                      ip_match, ip_match, lb_vip->vip_str, proto);
         if (lb_vip->vip_port) {
             ds_put_format(&unsnat_match, " && %s.dst == %d", proto,
                           lb_vip->vip_port);
@@ -8414,8 +8226,9 @@ add_router_lb_flow(struct hmap *lflows, struct ovn_datapath *od,
     ds_put_format(&undnat_match, "%s && (", ip_match);
 
     for (size_t i = 0; i < lb_vip->n_backends; i++) {
-        struct lb_vip_backend *backend = &lb_vip->backends[i];
-        ds_put_format(&undnat_match, "(%s.src == %s", ip_match, backend->ip);
+        struct ovn_lb_backend *backend = &lb_vip->backends[i];
+        ds_put_format(&undnat_match, "(%s.src == %s", ip_match,
+                      backend->ip_str);
 
         if (backend->port) {
             ds_put_format(&undnat_match, " && %s.src == %d) || ",
@@ -9789,18 +9602,19 @@ build_lrouter_flows(struct hmap *datapaths, struct hmap *ports,
 
         for (int i = 0; i < od->nbr->n_load_balancer; i++) {
             struct nbrec_load_balancer *nb_lb = od->nbr->load_balancer[i];
-            struct ovn_lb *lb =
-                ovn_lb_find(lbs, &nb_lb->header_.uuid);
+            struct ovn_northd_lb *lb =
+                ovn_northd_lb_find(lbs, &nb_lb->header_.uuid);
             ovs_assert(lb);
 
             for (size_t j = 0; j < lb->n_vips; j++) {
-                struct lb_vip *lb_vip = &lb->vips[j];
+                struct ovn_lb_vip *lb_vip = &lb->vips[j];
+                struct ovn_northd_lb_vip *lb_vip_nb = &lb->vips_nb[j];
                 ds_clear(&actions);
-                build_lb_vip_ct_lb_actions(lb_vip, &actions,
+                build_lb_vip_ct_lb_actions(lb_vip, lb_vip_nb, &actions,
                                            lb->selection_fields);
 
-                if (!sset_contains(&all_ips, lb_vip->vip)) {
-                    sset_add(&all_ips, lb_vip->vip);
+                if (!sset_contains(&all_ips, lb_vip->vip_str)) {
+                    sset_add(&all_ips, lb_vip->vip_str);
                     /* If there are any load balancing rules, we should send
                      * the packet to conntrack for defragmentation and
                      * tracking.  This helps with two things.
@@ -9810,12 +9624,12 @@ build_lrouter_flows(struct hmap *datapaths, struct hmap *ports,
                      * 2. If there are L4 ports in load balancing rules, we
                      *    need the defragmentation to match on L4 ports. */
                     ds_clear(&match);
-                    if (lb_vip->addr_family == AF_INET) {
+                    if (IN6_IS_ADDR_V4MAPPED(&lb_vip->vip)) {
                         ds_put_format(&match, "ip && ip4.dst == %s",
-                                      lb_vip->vip);
-                    } else if (lb_vip->addr_family == AF_INET6) {
+                                      lb_vip->vip_str);
+                    } else {
                         ds_put_format(&match, "ip && ip6.dst == %s",
-                                      lb_vip->vip);
+                                      lb_vip->vip_str);
                     }
                     ovn_lflow_add_with_hint(lflows, od, S_ROUTER_IN_DEFRAG,
                                             100, ds_cstr(&match), "ct_next;",
@@ -9828,12 +9642,12 @@ build_lrouter_flows(struct hmap *datapaths, struct hmap *ports,
                  * on ct.new with an action of "ct_lb($targets);".  The other
                  * flow is for ct.est with an action of "ct_dnat;". */
                 ds_clear(&match);
-                if (lb_vip->addr_family == AF_INET) {
+                if (IN6_IS_ADDR_V4MAPPED(&lb_vip->vip)) {
                     ds_put_format(&match, "ip && ip4.dst == %s",
-                                  lb_vip->vip);
-                } else if (lb_vip->addr_family == AF_INET6) {
+                                  lb_vip->vip_str);
+                } else {
                     ds_put_format(&match, "ip && ip6.dst == %s",
-                                  lb_vip->vip);
+                                  lb_vip->vip_str);
                 }
 
                 int prio = 110;
@@ -12266,7 +12080,11 @@ ovnnb_db_run(struct northd_context *ctx,
     sync_port_groups(ctx, &port_groups);
     sync_meters(ctx);
     sync_dns_entries(ctx, datapaths);
-    destroy_ovn_lbs(&lbs);
+
+    struct ovn_northd_lb *lb;
+    HMAP_FOR_EACH_POP (lb, hmap_node, &lbs) {
+        ovn_northd_lb_destroy(lb);
+    }
     hmap_destroy(&lbs);
 
     struct ovn_igmp_group *igmp_group, *next_igmp_group;
-- 
2.28.0



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