In order to support Remote Port Mirroring
added the required schemas in NB and SB.
Also, nbctl.c and sbctl.c changes are added.
Futher added test case to test nbctl commands.

Co-authored-by: Veda Barrenkala <[email protected]>
Signed-off-by: Veda Barrenkala <[email protected]>
Signed-off-by: Abhiram R N <[email protected]>
---
v16-->v17: No changes

 ovn-nb.ovsschema      |  31 +++-
 ovn-nb.xml            |  63 ++++++++
 ovn-sb.ovsschema      |  26 ++-
 ovn-sb.xml            |  50 ++++++
 tests/ovn-nbctl.at    | 120 ++++++++++++++
 utilities/ovn-nbctl.c | 357 ++++++++++++++++++++++++++++++++++++++++++
 utilities/ovn-sbctl.c |   4 +
 7 files changed, 647 insertions(+), 4 deletions(-)

diff --git a/ovn-nb.ovsschema b/ovn-nb.ovsschema
index 174364c8b..01de55222 100644
--- a/ovn-nb.ovsschema
+++ b/ovn-nb.ovsschema
@@ -1,7 +1,7 @@
 {
     "name": "OVN_Northbound",
-    "version": "6.3.0",
-    "cksum": "4042813038 31869",
+    "version": "6.4.0",
+    "cksum": "589874483 33352",
     "tables": {
         "NB_Global": {
             "columns": {
@@ -132,6 +132,11 @@
                                             "refType": "weak"},
                                  "min": 0,
                                  "max": 1}},
+                "mirror_rules": {"type": {"key": {"type": "uuid",
+                                          "refTable": "Mirror",
+                                          "refType": "weak"},
+                                  "min": 0,
+                                  "max": "unlimited"}},
                 "ha_chassis_group": {
                     "type": {"key": {"type": "uuid",
                                      "refTable": "HA_Chassis_Group",
@@ -301,6 +306,28 @@
                     "type": {"key": "string", "value": "string",
                              "min": 0, "max": "unlimited"}}},
             "isRoot": false},
+        "Mirror": {
+            "columns": {
+                "name": {"type": "string"},
+                "filter": {"type": {"key": {"type": "string",
+                                            "enum": ["set", ["from-lport",
+                                                             "to-lport",
+                                                             "both"]]}}},
+                "sink":{"type": "string"},
+                "type": {"type": {"key": {"type": "string",
+                                            "enum": ["set", ["gre",
+                                                             "erspan"]]}}},
+                "index": {"type": "integer"},
+                "src": {"type": {"key": {"type": "uuid",
+                                           "refTable": "Logical_Switch_Port",
+                                           "refType": "weak"},
+                                   "min": 0,
+                                   "max": "unlimited"}},
+                "external_ids": {
+                    "type": {"key": "string", "value": "string",
+                             "min": 0, "max": "unlimited"}}},
+            "indexes": [["name"]],
+            "isRoot": true},
         "Meter": {
             "columns": {
                 "name": {"type": "string"},
diff --git a/ovn-nb.xml b/ovn-nb.xml
index 7f207a413..671692b49 100644
--- a/ovn-nb.xml
+++ b/ovn-nb.xml
@@ -1582,6 +1582,11 @@
       </column>
     </group>
 
+    <column name="mirror_rules">
+        Mirror rules that apply to logical switch port which is the source.
+        Please see the <ref table="Mirror"/> table.
+    </column>
+
     <column name="ha_chassis_group">
       References a row in the OVN Northbound database's
       <ref table="HA_Chassis_Group" db="OVN_Northbound"/> table.
@@ -2527,6 +2532,64 @@
     </column>
   </table>
 
+  <table name="Mirror" title="Mirror Entry">
+    <p>
+      Each row in this table represents one Mirror that can be used for
+      port mirroring. These Mirrors are referenced by the
+      <ref column="mirror_rules" table="Logical_Switch_Port"/> column in
+      the <ref table="Logical_Switch_Port"/> table.
+    </p>
+
+    <column name="name">
+      <p>
+        Represents the name of the mirror.
+      </p>
+    </column>
+
+    <column name="filter">
+      <p>
+        The value of this field represents selection criteria of the mirror.
+        Supported values for filter to-lport / from-lport / both
+        to-lport - to mirror packets coming into logical port
+        from-lport - to mirror packets going out of logical port
+        both - to mirror packets coming into and going out of logical port.
+      </p>
+    </column>
+
+    <column name="sink">
+      <p>
+        The value of this field represents the destination/sink of the mirror.
+        The value it takes is an IP address of the sink port.
+      </p>
+    </column>
+
+    <column name="type">
+      <p>
+        The value of this field represents the type of the tunnel used for
+        sending the mirrored packets. Supported Tunnel types gre and erspan
+      </p>
+    </column>
+
+    <column name="index">
+      <p>
+        The value of this field represents the tunnel ID. Depending on the
+        tunnel type configured, GRE key value if type GRE and erspan_idx value
+        if ERSPAN
+      </p>
+    </column>
+
+    <column name="src">
+      <p>
+        The value of this field represents a list of source ports for the
+        mirror. Please see the <ref table="Logical_Switch_Port"/> table.
+      </p>
+    </column>
+
+    <column name="external_ids">
+      See <em>External IDs</em> at the beginning of this document.
+    </column>
+  </table>
+
   <table name="Meter" title="Meter entry">
     <p>
       Each row in this table represents a meter that can be used for QoS or
diff --git a/ovn-sb.ovsschema b/ovn-sb.ovsschema
index 576ebbdeb..b83134416 100644
--- a/ovn-sb.ovsschema
+++ b/ovn-sb.ovsschema
@@ -1,7 +1,7 @@
 {
     "name": "OVN_Southbound",
-    "version": "20.25.0",
-    "cksum": "53184112 28845",
+    "version": "20.26.0",
+    "cksum": "2344151793 30004",
     "tables": {
         "SB_Global": {
             "columns": {
@@ -142,6 +142,23 @@
             "indexes": [["datapath", "tunnel_key"],
                         ["datapath", "name"]],
             "isRoot": true},
+        "Mirror": {
+            "columns": {
+                "name": {"type": "string"},
+                "filter": {"type": {"key": {"type": "string",
+                                            "enum": ["set",
+                                                     ["from-lport",
+                                                      "to-lport","both"]]}}},
+                "sink":{"type": "string"},
+                "type": {"type": {"key": {"type": "string",
+                                            "enum": ["set",
+                                                     ["gre", "erspan"]]}}},
+                "index": {"type": "integer"},
+                "external_ids": {
+                    "type": {"key": "string", "value": "string",
+                             "min": 0, "max": "unlimited"}}},
+            "indexes": [["name"]],
+            "isRoot": true},
         "Meter": {
             "columns": {
                 "name": {"type": "string"},
@@ -230,6 +247,11 @@
                                                       "refTable": "Encap",
                                                       "refType": "weak"},
                                     "min": 0, "max": "unlimited"}},
+                "mirror_rules": {"type": {"key": {"type": "uuid",
+                                          "refTable": "Mirror",
+                                          "refType": "weak"},
+                                  "min": 0,
+                                  "max": "unlimited"}},
                 "mac": {"type": {"key": "string",
                                  "min": 0,
                                  "max": "unlimited"}},
diff --git a/ovn-sb.xml b/ovn-sb.xml
index 16f57b374..2dd2e304f 100644
--- a/ovn-sb.xml
+++ b/ovn-sb.xml
@@ -2869,6 +2869,51 @@ tcp.flags = RST;
     </column>
   </table>
 
+  <table name="Mirror" title="Mirror Entry">
+    <p>
+      Each row in this table represents one Mirror that can be used for
+      port mirroring. These Mirrors are referenced by the
+      <ref column="mirror_rules" table="Port_Binding"/> column in
+      the <ref table="Port_Binding"/> table.
+    </p>
+
+    <column name="name">
+      <p>
+        Represents the name of the mirror.
+      </p>
+    </column>
+
+    <column name="filter">
+      <p>
+        The value of this field represents selection criteria of the mirror.
+      </p>
+    </column>
+
+    <column name="sink">
+      <p>
+        The value of this field represents the destination/sink of the mirror.
+      </p>
+    </column>
+
+    <column name="type">
+      <p>
+        The value of this field represents the type of the tunnel used for
+        sending the mirrored packets
+      </p>
+    </column>
+
+    <column name="index">
+      <p>
+        The value of this field represents the key/idx depending on the
+        tunnel type configured
+      </p>
+    </column>
+
+    <column name="external_ids">
+      See <em>External IDs</em> at the beginning of this document.
+    </column>
+  </table>
+
   <table name="Meter" title="Meter entry">
     <p>
       Each row in this table represents a meter that can be used for QoS or
@@ -3371,6 +3416,11 @@ tcp.flags = RST;
       </column>
     </group>
 
+    <column name="mirror_rules">
+        Mirror rules that apply to the port binding.
+        Please see the <ref table="Mirror"/> table.
+    </column>
+
     <group title="Patch Options">
       <p>
         These options apply to logical ports with <ref column="type"/> of
diff --git a/tests/ovn-nbctl.at b/tests/ovn-nbctl.at
index 4d480e357..d79f9d929 100644
--- a/tests/ovn-nbctl.at
+++ b/tests/ovn-nbctl.at
@@ -435,6 +435,126 @@ AT_CHECK([ovn-nbctl meter-list], [0], [dnl
 
 dnl ---------------------------------------------------------------------
 
+OVN_NBCTL_TEST([ovn_nbctl_mirrors], [mirrors], [
+AT_CHECK([ovn-nbctl mirror-add mirror1 gre 0 from-lport 10.10.10.1])
+AT_CHECK([ovn-nbctl mirror-add mirror2 erspan 1 both 10.10.10.2])
+AT_CHECK([ovn-nbctl mirror-add mirror3 gre 2 to-lport 10.10.10.3])
+AT_CHECK([ovn-nbctl ls-add sw0])
+AT_CHECK([ovn-nbctl lsp-add sw0 sw0-port1])
+AT_CHECK([ovn-nbctl lsp-add sw0 sw0-port2])
+AT_CHECK([ovn-nbctl lsp-add sw0 sw0-port3])
+
+dnl Add duplicate mirror name
+AT_CHECK([ovn-nbctl mirror-add mirror1 gre 0 from-lport 10.10.10.5], [1], [], 
[stderr])
+AT_CHECK([grep 'already exists' stderr], [0], [ignore])
+
+dnl Attach invalid source port to mirror
+AT_CHECK([ovn-nbctl lsp-attach-mirror sw0-port4 mirror3], [1], [], [stderr])
+AT_CHECK([grep 'port name not found' stderr], [0], [ignore])
+
+dnl Attach source port to invalid mirror
+AT_CHECK([ovn-nbctl lsp-attach-mirror sw0-port3 mirror4], [1], [], [stderr])
+AT_CHECK([grep 'mirror name not found' stderr], [0], [ignore])
+
+dnl Attach source port to mirror
+AT_CHECK([ovn-nbctl lsp-attach-mirror sw0-port1 mirror3])
+
+dnl Attach one more source port to mirror
+AT_CHECK([ovn-nbctl lsp-attach-mirror sw0-port3 mirror3])
+
+dnl Verify if multiple ports are attached to the same mirror properly
+AT_CHECK([ovn-nbctl mirror-list], [0], [dnl
+mirror1:
+  Type     :  gre
+  Sink     :  10.10.10.1
+  Filter   :  from-lport
+  Index/Key:  0
+  Sources  :  None attached
+mirror2:
+  Type     :  erspan
+  Sink     :  10.10.10.2
+  Filter   :  both
+  Index/Key:  1
+  Sources  :  None attached
+mirror3:
+  Type     :  gre
+  Sink     :  10.10.10.3
+  Filter   :  to-lport
+  Index/Key:  2
+  Sources  :  sw0-port1  sw0-port3
+])
+
+dnl Detach one source port from mirror
+AT_CHECK([ovn-nbctl lsp-detach-mirror sw0-port3 mirror3])
+
+dnl Verify if detach source port from mirror happens properly
+AT_CHECK([ovn-nbctl mirror-list], [0], [dnl
+mirror1:
+  Type     :  gre
+  Sink     :  10.10.10.1
+  Filter   :  from-lport
+  Index/Key:  0
+  Sources  :  None attached
+mirror2:
+  Type     :  erspan
+  Sink     :  10.10.10.2
+  Filter   :  both
+  Index/Key:  1
+  Sources  :  None attached
+mirror3:
+  Type     :  gre
+  Sink     :  10.10.10.3
+  Filter   :  to-lport
+  Index/Key:  2
+  Sources  :  sw0-port1
+])
+
+dnl Delete a single mirror which has source attached.
+AT_CHECK([ovn-nbctl mirror-del mirror3])
+
+dnl Check if the detach happened from source properly
+AT_CHECK([ovn-nbctl get Logical_Switch_Port sw0-port1 mirror_rules |  cut -b 
3], [0], [dnl
+
+])
+
+dnl Check if the mirror deleted properly
+AT_CHECK([ovn-nbctl mirror-list], [0], [dnl
+mirror1:
+  Type     :  gre
+  Sink     :  10.10.10.1
+  Filter   :  from-lport
+  Index/Key:  0
+  Sources  :  None attached
+mirror2:
+  Type     :  erspan
+  Sink     :  10.10.10.2
+  Filter   :  both
+  Index/Key:  1
+  Sources  :  None attached
+])
+
+dnl Delete another mirror
+AT_CHECK([ovn-nbctl mirror-del mirror2])
+
+dnl Update the Sink address
+AT_CHECK([ovn-nbctl set mirror . sink=192.168.1.13])
+
+AT_CHECK([ovn-nbctl mirror-list], [0], [dnl
+mirror1:
+  Type     :  gre
+  Sink     :  192.168.1.13
+  Filter   :  from-lport
+  Index/Key:  0
+  Sources  :  None attached
+])
+
+dnl Delete all mirrors
+AT_CHECK([ovn-nbctl mirror-del])
+AT_CHECK([ovn-nbctl mirror-list], [0], [dnl
+])])
+
+dnl ---------------------------------------------------------------------
+
 OVN_NBCTL_TEST([ovn_nbctl_nats], [NATs], [
 AT_CHECK([ovn-nbctl lr-add lr0])
 AT_CHECK([ovn-nbctl lr-nat-add lr0 snatt 30.0.0.2 192.168.1.2], [1], [],
diff --git a/utilities/ovn-nbctl.c b/utilities/ovn-nbctl.c
index 811468dc6..af2e61435 100644
--- a/utilities/ovn-nbctl.c
+++ b/utilities/ovn-nbctl.c
@@ -271,6 +271,19 @@ QoS commands:\n\
                             remove QoS rules from SWITCH\n\
   qos-list SWITCH           print QoS rules for SWITCH\n\
 \n\
+Mirror commands:\n\
+  mirror-add NAME TYPE INDEX FILTER IP\n\
+                            add a mirror with given name\n\
+                            specify TYPE 'gre' or 'erspan'\n\
+                            specify the tunnel INDEX value\n\
+                                (indicates key if GRE\n\
+                                 erpsan_idx if ERSPAN)\n\
+                            specify FILTER for mirroring selection\n\
+                                'to-lport' / 'from-lport' / 'both'\n\
+                            specify Sink / Destination i.e. Remote IP\n\
+  mirror-del [NAME]         remove mirrors\n\
+  mirror-list               print mirrors\n\
+\n\
 Meter commands:\n\
   [--fair]\n\
   meter-add NAME ACTION RATE UNIT [BURST]\n\
@@ -311,6 +324,8 @@ Logical switch port commands:\n\
                             set dhcpv6 options for PORT\n\
   lsp-get-dhcpv6-options PORT  get the dhcpv6 options for PORT\n\
   lsp-get-ls PORT           get the logical switch which the port belongs to\n\
+  lsp-attach-mirror PORT MIRROR   attach source PORT to MIRROR\n\
+  lsp-detach-mirror PORT MIRROR   detach source PORT from MIRROR\n\
 \n\
 Forwarding group commands:\n\
   [--liveness]\n\
@@ -1685,6 +1700,130 @@ nbctl_pre_lsp_type(struct ctl_context *ctx)
     ovsdb_idl_add_column(ctx->idl, &nbrec_logical_switch_port_col_type);
 }
 
+static void
+nbctl_pre_lsp_mirror(struct ctl_context *ctx)
+{
+    ovsdb_idl_add_column(ctx->idl, &nbrec_logical_switch_port_col_name);
+    ovsdb_idl_add_column(ctx->idl,
+                         &nbrec_logical_switch_port_col_mirror_rules);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_name);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_src);
+}
+
+static int
+mirror_cmp(const void *mirror1_, const void *mirror2_)
+{
+    const struct nbrec_mirror *const *mirror_1 = mirror1_;
+    const struct nbrec_mirror *const *mirror_2 = mirror2_;
+
+    const struct nbrec_mirror *mirror1 = *mirror_1;
+    const struct nbrec_mirror *mirror2 = *mirror_2;
+
+    return strcmp(mirror1->name,mirror2->name);
+}
+
+static char * OVS_WARN_UNUSED_RESULT
+mirror_by_name_or_uuid(struct ctl_context *ctx, const char *id,
+                    bool must_exist,
+                    const struct nbrec_mirror **mirror_p)
+{
+    const struct nbrec_mirror *mirror = NULL;
+    *mirror_p = NULL;
+
+    struct uuid mirror_uuid;
+    bool is_uuid = uuid_from_string(&mirror_uuid, id);
+    if (is_uuid) {
+        mirror = nbrec_mirror_get_for_uuid(ctx->idl, &mirror_uuid);
+    }
+
+    if (!mirror) {
+        NBREC_MIRROR_FOR_EACH (mirror, ctx->idl) {
+            if (!strcmp(mirror->name, id)) {
+                break;
+            }
+        }
+    }
+
+    if (!mirror && must_exist) {
+        return xasprintf("%s: mirror %s not found",
+                         id, is_uuid ? "UUID" : "name");
+    }
+
+    *mirror_p = mirror;
+    return NULL;
+}
+
+static void
+nbctl_lsp_attach_mirror(struct ctl_context *ctx)
+{
+    const char *port = ctx->argv[1];
+    const char *mirror_name = ctx->argv[2];
+    const struct nbrec_logical_switch_port *lsp = NULL;
+    const struct nbrec_mirror *mirror;
+
+    char *error;
+
+    error = lsp_by_name_or_uuid(ctx, port, true, &lsp);
+    if (error) {
+        ctx->error = error;
+        return;
+    }
+
+
+    /*check if a mirror rule actually exists on that name or not*/
+    error = mirror_by_name_or_uuid(ctx, mirror_name, true, &mirror);
+    if (error) {
+        ctx->error = error;
+        return;
+    }
+
+    /* Check if same mirror rule already exists for the lsp */
+    for (size_t i = 0; i < lsp->n_mirror_rules; i++) {
+        if (!mirror_cmp(&lsp->mirror_rules[i], &mirror)) {
+            bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
+            if (!may_exist) {
+                ctl_error(ctx, "Same mirror already existed on the lsp %s.",
+                          ctx->argv[1]);
+                return;
+            }
+            return;
+        }
+    }
+
+    nbrec_logical_switch_port_update_mirror_rules_addvalue(lsp, mirror);
+    nbrec_mirror_update_src_addvalue(mirror,lsp);
+
+}
+
+static void
+nbctl_lsp_detach_mirror(struct ctl_context *ctx)
+{
+    const char *port = ctx->argv[1];
+    const char *mirror_name = ctx->argv[2];
+    const struct nbrec_logical_switch_port *lsp = NULL;
+    const struct nbrec_mirror *mirror;
+
+    char *error;
+
+    error = lsp_by_name_or_uuid(ctx, port, true, &lsp);
+    if (error) {
+        ctx->error = error;
+        return;
+    }
+
+
+    /*check if a mirror rule actually exists on that name or not*/
+    error = mirror_by_name_or_uuid(ctx, mirror_name, true, &mirror);
+    if (error) {
+        ctx->error = error;
+        return;
+    }
+
+    nbrec_logical_switch_port_update_mirror_rules_delvalue(lsp, mirror);
+    nbrec_mirror_update_src_delvalue(mirror,lsp);
+
+}
+
 static void
 nbctl_lsp_set_type(struct ctl_context *ctx)
 {
@@ -7241,6 +7380,211 @@ cmd_ha_ch_grp_set_chassis_prio(struct ctl_context *ctx)
     nbrec_ha_chassis_set_priority(ha_chassis, priority);
 }
 
+static char * OVS_WARN_UNUSED_RESULT
+parse_filter(const char *arg, const char **selection_p)
+{
+    /* Validate selection.  Only require the first letter. */
+    if (arg[0] == 't') {
+        *selection_p = "to-lport";
+    } else if (arg[0] == 'f') {
+        *selection_p = "from-lport";
+    } else if (arg[0] == 'b') {
+        *selection_p = "both";
+    } else {
+        *selection_p = NULL;
+        return xasprintf("%s: selection must be \"to-lport\" or "
+                         "\"from-lport\" or \"both\" ", arg);
+    }
+    return NULL;
+}
+
+static char * OVS_WARN_UNUSED_RESULT
+parse_type(const char *arg, const char **type_p)
+{
+    /* Validate type.  Only require the first letter. */
+    if (arg[0] == 'g') {
+        *type_p = "gre";
+    } else if (arg[0] == 'e') {
+        *type_p = "erspan";
+    } else {
+        *type_p = NULL;
+        return xasprintf("%s: type must be \"gre\" or "
+                         "\"erspan\"", arg);
+    }
+    return NULL;
+}
+
+static void
+nbctl_pre_mirror_add(struct ctl_context *ctx)
+{
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_name);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_filter);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_index);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_sink);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_type);
+}
+
+static void
+nbctl_mirror_add(struct ctl_context *ctx)
+{
+    const char *filter = NULL;
+    const char *sink_ip = NULL;
+    const char *type = NULL;
+    const char *name = NULL;
+    char *new_sink_ip = NULL;
+    int64_t index;
+    char *error = NULL;
+    const struct nbrec_mirror *mirror_check = NULL;
+
+    /* Mirror Name */
+    name = ctx->argv[1];
+    NBREC_MIRROR_FOR_EACH (mirror_check, ctx->idl) {
+        if (!strcmp(mirror_check->name, name)) {
+            ctl_error(ctx, "Mirror with %s name already exists.",
+                      name);
+            return;
+        }
+    }
+
+    /* Tunnel Type - GRE/ERSPAN */
+    error = parse_type(ctx->argv[2], &type);
+    if (error) {
+        ctx->error = error;
+        return;
+    }
+
+    /* tunnel index / GRE key / ERSPAN idx */
+    index = atoi(ctx->argv[3]);
+
+    /* Filter for mirroring */
+    error = parse_filter(ctx->argv[4], &filter);
+    if (error) {
+        ctx->error = error;
+        return;
+    }
+
+    /* Destination / Sink details */
+    sink_ip = ctx->argv[5];
+
+    /* check if it is a valid ip */
+    new_sink_ip = normalize_ipv4_addr_str(sink_ip);
+    if (!new_sink_ip) {
+        new_sink_ip = normalize_ipv6_addr_str(sink_ip);
+    }
+
+    if (new_sink_ip) {
+        free(new_sink_ip);
+    } else {
+        ctl_error(ctx, "Invalid sink ip: %s", sink_ip);
+        return;
+    }
+
+    /* Create the mirror. */
+    struct nbrec_mirror *mirror = nbrec_mirror_insert(ctx->txn);
+    nbrec_mirror_set_name(mirror, name);
+    nbrec_mirror_set_index(mirror, index);
+    nbrec_mirror_set_filter(mirror, filter);
+    nbrec_mirror_set_type(mirror, type);
+    nbrec_mirror_set_sink(mirror, sink_ip);
+
+}
+
+static void
+nbctl_pre_mirror_del(struct ctl_context *ctx)
+{
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_name);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_src);
+}
+
+static void
+nbctl_mirror_del(struct ctl_context *ctx)
+{
+    const struct nbrec_mirror *mirror, *next;
+
+    /* If a name is not specified, delete all mirrors. */
+    if (ctx->argc == 1) {
+        NBREC_MIRROR_FOR_EACH_SAFE (mirror, next, ctx->idl) {
+            nbrec_mirror_delete(mirror);
+        }
+        return;
+    }
+
+    /* Remove the matching mirror. */
+    NBREC_MIRROR_FOR_EACH (mirror, ctx->idl) {
+        if (strcmp(ctx->argv[1], mirror->name)) {
+            continue;
+        }
+        nbrec_mirror_delete(mirror);
+        return;
+    }
+}
+
+static void
+nbctl_pre_mirror_list(struct ctl_context *ctx)
+{
+    ovsdb_idl_add_column(ctx->idl, &nbrec_logical_switch_port_col_name);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_name);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_filter);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_index);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_sink);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_type);
+    ovsdb_idl_add_column(ctx->idl, &nbrec_mirror_col_src);
+}
+
+static void
+nbctl_mirror_list(struct ctl_context *ctx)
+{
+
+    const struct nbrec_mirror **mirrors = NULL;
+    const struct nbrec_mirror *mirror;
+    size_t n_capacity = 0;
+    size_t n_mirrors = 0;
+
+    NBREC_MIRROR_FOR_EACH (mirror, ctx->idl) {
+        if (n_mirrors == n_capacity) {
+            mirrors = x2nrealloc(mirrors, &n_capacity, sizeof *mirrors);
+        }
+
+        mirrors[n_mirrors] = mirror;
+        n_mirrors++;
+    }
+
+    if (n_mirrors) {
+        qsort(mirrors, n_mirrors, sizeof *mirrors, mirror_cmp);
+    }
+
+    for (size_t i = 0; i < n_mirrors; i++) {
+        mirror = mirrors[i];
+        ds_put_format(&ctx->output, "%s:\n", mirror->name);
+        /* print all the values */
+        ds_put_format(&ctx->output, "  Type     :  %s\n", mirror->type);
+        ds_put_format(&ctx->output, "  Sink     :  %s\n", mirror->sink);
+        ds_put_format(&ctx->output, "  Filter   :  %s\n", mirror->filter);
+        ds_put_format(&ctx->output, "  Index/Key:  %ld\n",
+                                                (long int) mirror->index);
+        ds_put_cstr(&ctx->output,   "  Sources  :");
+        if (mirror->n_src > 0) {
+            struct svec srcs;
+            const char *src;
+            size_t j;
+            svec_init(&srcs);
+            for (j = 0; j < mirror->n_src; j++) {
+                svec_add(&srcs, mirror->src[j]->name);
+            }
+            svec_sort(&srcs);
+            SVEC_FOR_EACH (j, src, &srcs) {
+                ds_put_format(&ctx->output, "  %s", src);
+            }
+            svec_destroy(&srcs);
+        } else {
+            ds_put_cstr(&ctx->output, "  None attached");
+        }
+        ds_put_cstr(&ctx->output, "\n");
+    }
+
+    free(mirrors);
+}
+
 static const struct ctl_table_class tables[NBREC_N_TABLES] = {
     [NBREC_TABLE_DHCP_OPTIONS].row_ids
     = {{&nbrec_logical_switch_port_col_name, NULL,
@@ -7334,6 +7678,15 @@ static const struct ctl_command_syntax nbctl_commands[] 
= {
     { "qos-list", 1, 1, "SWITCH", nbctl_pre_qos_list, nbctl_qos_list,
       NULL, "", RO },
 
+    /* mirror commands. */
+    { "mirror-add", 5, 5,
+      "NAME TYPE INDEX FILTER IP",
+      nbctl_pre_mirror_add, nbctl_mirror_add, NULL, "--may-exist", RW },
+    { "mirror-del", 0, 1, "[NAME]",
+      nbctl_pre_mirror_del, nbctl_mirror_del, NULL, "", RW },
+    { "mirror-list", 0, 0, "", nbctl_pre_mirror_list, nbctl_mirror_list,
+      NULL, "", RO },
+
     /* meter commands. */
     { "meter-add", 4, 5, "NAME ACTION RATE UNIT [BURST]", nbctl_pre_meter_add,
       nbctl_meter_add, NULL, "--fair,--may-exist", RW },
@@ -7388,6 +7741,10 @@ static const struct ctl_command_syntax nbctl_commands[] 
= {
       nbctl_lsp_get_dhcpv6_options, NULL, "", RO },
     { "lsp-get-ls", 1, 1, "PORT", nbctl_pre_lsp_get_ls, nbctl_lsp_get_ls,
       NULL, "", RO },
+    { "lsp-attach-mirror", 2, 2, "PORT MIRROR", nbctl_pre_lsp_mirror,
+      nbctl_lsp_attach_mirror, NULL, "", RW },
+    { "lsp-detach-mirror", 2, 2, "PORT MIRROR", nbctl_pre_lsp_mirror,
+      nbctl_lsp_detach_mirror, NULL, "", RW },
 
     /* forwarding group commands. */
     { "fwd-group-add", 4, INT_MAX, "SWITCH GROUP VIP VMAC PORT...",
diff --git a/utilities/ovn-sbctl.c b/utilities/ovn-sbctl.c
index f60dde1b6..3d73e9e25 100644
--- a/utilities/ovn-sbctl.c
+++ b/utilities/ovn-sbctl.c
@@ -307,6 +307,7 @@ pre_get_info(struct ctl_context *ctx)
     ovsdb_idl_add_column(ctx->idl, &sbrec_port_binding_col_chassis);
     ovsdb_idl_add_column(ctx->idl, &sbrec_port_binding_col_datapath);
     ovsdb_idl_add_column(ctx->idl, &sbrec_port_binding_col_up);
+    ovsdb_idl_add_column(ctx->idl, &sbrec_port_binding_col_mirror_rules);
 
     ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_logical_datapath);
     ovsdb_idl_add_column(ctx->idl, &sbrec_logical_flow_col_logical_dp_group);
@@ -1431,6 +1432,9 @@ static const struct ctl_table_class 
tables[SBREC_N_TABLES] = {
     [SBREC_TABLE_HA_CHASSIS_GROUP].row_ids[0]
     = {&sbrec_ha_chassis_group_col_name, NULL, NULL},
 
+    [SBREC_TABLE_MIRROR].row_ids[0]
+    = {&sbrec_mirror_col_name, NULL, NULL},
+
     [SBREC_TABLE_METER].row_ids[0]
     = {&sbrec_meter_col_name, NULL, NULL},
 
-- 
2.31.1

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