Dedicated SW Interface Event

Change-Id: I06a10a4291e61aec3f1396d2514ed6fe3901897a
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

11 files changed, 63 insertions, 43 deletions

diff --git a/src/vat/api_format.c b/src/vat/api_format.c
index 009cf173064..ddcd5621808 100644
--- a/src/vat/api_format.c
+++ b/src/vat/api_format.c
@@ -972,8 +972,8 @@ static void vl_api_sw_interface_details_t_handler_json
 }
 
 #if VPP_API_TEST_BUILTIN == 0
-static void vl_api_sw_interface_set_flags_t_handler
-  (vl_api_sw_interface_set_flags_t * mp)
+static void vl_api_sw_interface_event_t_handler
+  (vl_api_sw_interface_event_t * mp)
 {
   vat_main_t *vam = &vat_main;
   if (vam->interface_event_display)
@@ -984,8 +984,8 @@ static void vl_api_sw_interface_set_flags_t_handler
 }
 #endif
 
-static void vl_api_sw_interface_set_flags_t_handler_json
-  (vl_api_sw_interface_set_flags_t * mp)
+static void vl_api_sw_interface_event_t_handler_json
+  (vl_api_sw_interface_event_t * mp)
 {
   /* JSON output not supported */
 }
@@ -5026,7 +5026,7 @@ _(LLDP_CONFIG_REPLY, lldp_config_reply)                                 \
 _(SW_INTERFACE_SET_LLDP_REPLY, sw_interface_set_lldp_reply)
 
 #define foreach_standalone_reply_msg					\
-_(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags)                       \
+_(SW_INTERFACE_EVENT, sw_interface_event)                               \
 _(VNET_INTERFACE_SIMPLE_COUNTERS, vnet_interface_simple_counters)       \
 _(VNET_INTERFACE_COMBINED_COUNTERS, vnet_interface_combined_counters)   \
 _(VNET_IP4_FIB_COUNTERS, vnet_ip4_fib_counters)                         \
@@ -5772,7 +5772,7 @@ api_sw_interface_set_flags (vat_main_t * vam)
   vl_api_sw_interface_set_flags_t *mp;
   u32 sw_if_index;
   u8 sw_if_index_set = 0;
-  u8 admin_up = 0, link_up = 0;
+  u8 admin_up = 0;
   int ret;
 
   /* Parse args required to build the message */
@@ -5782,10 +5782,6 @@ api_sw_interface_set_flags (vat_main_t * vam)
 	admin_up = 1;
       else if (unformat (i, "admin-down"))
 	admin_up = 0;
-      else if (unformat (i, "link-up"))
-	link_up = 1;
-      else if (unformat (i, "link-down"))
-	link_up = 0;
       else
 	if (unformat (i, "%U", api_unformat_sw_if_index, vam, &sw_if_index))
 	sw_if_index_set = 1;
@@ -5805,7 +5801,6 @@ api_sw_interface_set_flags (vat_main_t * vam)
   M (SW_INTERFACE_SET_FLAGS, mp);
   mp->sw_if_index = ntohl (sw_if_index);
   mp->admin_up_down = admin_up;
-  mp->link_up_down = link_up;
 
   /* send it... */
   S (mp);
diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/vnet/devices/virtio/vhost_user_api.c
index 8dbd032b117..3f0aac9eebf 100644
--- a/src/vnet/devices/virtio/vhost_user_api.c
+++ b/src/vnet/devices/virtio/vhost_user_api.c
@@ -52,11 +52,11 @@ _(SW_INTERFACE_VHOST_USER_DUMP, sw_interface_vhost_user_dump)
  * WARNING: replicated pending api refactor completion
  */
 static void
-send_sw_interface_flags_deleted (vpe_api_main_t * am,
+send_sw_interface_event_deleted (vpe_api_main_t * am,
 				 unix_shared_memory_queue_t * q,
 				 u32 sw_if_index)
 {
-  vl_api_sw_interface_set_flags_t *mp;
+  vl_api_sw_interface_event_t *mp;
 
   mp = vl_msg_api_alloc (sizeof (*mp));
   memset (mp, 0, sizeof (*mp));
@@ -143,7 +143,7 @@ vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t * mp)
 	return;
 
       vnet_clear_sw_interface_tag (vnm, sw_if_index);
-      send_sw_interface_flags_deleted (vam, q, sw_if_index);
+      send_sw_interface_event_deleted (vam, q, sw_if_index);
     }
 }
 
diff --git a/src/vnet/interface.api b/src/vnet/interface.api
index 14ff6d5a522..a18907065a5 100644
--- a/src/vnet/interface.api
+++ b/src/vnet/interface.api
@@ -4,7 +4,6 @@
     @param sw_if_index - index of the interface to set flags on
     @param admin_up_down - set the admin state, 1 = up, 0 = down
     @param link_up_down - Oper state sent on change event, not used in config.
-    @param deleted - interface was deleted
 */
 autoreply define sw_interface_set_flags
 {
@@ -13,8 +12,6 @@ autoreply define sw_interface_set_flags
   u32 sw_if_index;
   /* 1 = up, 0 = down */
   u8 admin_up_down;
-  u8 link_up_down;
-  u8 deleted;
 };
 
 /** \brief Set interface MTU
@@ -31,6 +28,22 @@ autoreply define sw_interface_set_mtu
   u16 mtu;
 };
 
+/** \brief Interface Event generated by want_interface_events
+    @param context - sender context, to match reply w/ request
+    @param sw_if_index - index of the interface of the event
+    @param admin_up_down - The administrative state; 1 = up, 0 = down
+    @param link_up_down - The operational state; 1 = up, 0 = down
+    @param deleted - interface was deleted
+*/
+define sw_interface_event
+{
+  u32 context;
+  u32 sw_if_index;
+  u8 admin_up_down;
+  u8 link_up_down;
+  u8 deleted;
+};
+
 /** \brief Register for interface events
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request
diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c
index ab0b255ab5a..c56fef688e7 100644
--- a/src/vnet/interface_api.c
+++ b/src/vnet/interface_api.c
@@ -571,18 +571,18 @@ event_data_cmp (void *a1, void *a2)
 }
 
 static void
-send_sw_interface_flags (vpe_api_main_t * am,
+send_sw_interface_event (vpe_api_main_t * am,
 			 unix_shared_memory_queue_t * q,
 			 vnet_sw_interface_t * swif)
 {
-  vl_api_sw_interface_set_flags_t *mp;
+  vl_api_sw_interface_event_t *mp;
   vnet_main_t *vnm = am->vnet_main;
 
   vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
 						       swif->sw_if_index);
   mp = vl_msg_api_alloc (sizeof (*mp));
   memset (mp, 0, sizeof (*mp));
-  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SET_FLAGS);
+  mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
   mp->sw_if_index = ntohl (swif->sw_if_index);
 
   mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
@@ -638,7 +638,7 @@ link_state_process (vlib_main_t * vm,
                                          event_data[i]))
                   {
                     swif = vnet_get_sw_interface (vnm, event_data[i]);
-                    send_sw_interface_flags (vam, q, swif);
+                    send_sw_interface_event (vam, q, swif);
                   }
               }
           }));
diff --git a/src/vnet/unix/tap_api.c b/src/vnet/unix/tap_api.c
index 9b8d52a621e..7e812c4fa17 100644
--- a/src/vnet/unix/tap_api.c
+++ b/src/vnet/unix/tap_api.c
@@ -59,11 +59,11 @@ _(SW_INTERFACE_TAP_DUMP, sw_interface_tap_dump)
  * WARNING: replicated pending api refactor completion
  */
 static void
-send_sw_interface_flags_deleted (vpe_api_main_t * am,
+send_sw_interface_event_deleted (vpe_api_main_t * am,
 				 unix_shared_memory_queue_t * q,
 				 u32 sw_if_index)
 {
-  vl_api_sw_interface_set_flags_t *mp;
+  vl_api_sw_interface_event_t *mp;
 
   mp = vl_msg_api_alloc (sizeof (*mp));
   memset (mp, 0, sizeof (*mp));
@@ -196,7 +196,7 @@ vl_api_tap_delete_t_handler (vl_api_tap_delete_t * mp)
   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 
   if (!rv)
-    send_sw_interface_flags_deleted (vam, q, sw_if_index);
+    send_sw_interface_event_deleted (vam, q, sw_if_index);
 }
 
 static void
diff --git a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeNotificationExample.java b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeNotificationExample.java
index b8b108b602e..308dad9faa6 100644
--- a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeNotificationExample.java
+++ b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeNotificationExample.java
@@ -36,7 +36,7 @@ public class CallbackJVppFacadeNotificationExample {
             System.out.println("Successfully connected to VPP");
 
             final AutoCloseable notificationListenerReg =
-                jvppCallbackFacade.getNotificationRegistry().registerSwInterfaceSetFlagsNotificationCallback(
+                jvppCallbackFacade.getNotificationRegistry().registerSwInterfaceEventNotificationCallback(
                     NotificationUtils::printNotification
                 );
 
diff --git a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java
index 6ee2de31bc8..7d56b7ea292 100644
--- a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java
+++ b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java
@@ -26,10 +26,9 @@ import io.fd.vpp.jvpp.JVppRegistry;
 import io.fd.vpp.jvpp.JVppRegistryImpl;
 import io.fd.vpp.jvpp.VppCallbackException;
 import io.fd.vpp.jvpp.core.JVppCoreImpl;
-import io.fd.vpp.jvpp.core.callback.SwInterfaceSetFlagsCallback;
-import io.fd.vpp.jvpp.core.callback.SwInterfaceSetFlagsNotificationCallback;
+import io.fd.vpp.jvpp.core.callback.SwInterfaceEventNotificationCallback;
 import io.fd.vpp.jvpp.core.callback.WantInterfaceEventsCallback;
-import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlagsNotification;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceEventNotification;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlagsReply;
 import io.fd.vpp.jvpp.core.dto.WantInterfaceEventsReply;
 
@@ -65,12 +64,12 @@ public class CallbackNotificationApiExample {
         testCallbackApi();
     }
 
-    private static class TestCallback implements SwInterfaceSetFlagsNotificationCallback,
-        WantInterfaceEventsCallback, SwInterfaceSetFlagsCallback {
+    private static class TestCallback implements SwInterfaceEventNotificationCallback,
+        WantInterfaceEventsCallback {
 
         @Override
-        public void onSwInterfaceSetFlagsNotification(
-            final SwInterfaceSetFlagsNotification msg) {
+        public void onSwInterfaceEventNotification(
+            final SwInterfaceEventNotification msg) {
             printNotification(msg);
         }
 
@@ -80,11 +79,6 @@ public class CallbackNotificationApiExample {
         }
 
         @Override
-        public void onSwInterfaceSetFlagsReply(final SwInterfaceSetFlagsReply swInterfaceSetFlagsReply) {
-            System.out.println("Interface flags set successfully");
-        }
-
-        @Override
         public void onError(VppCallbackException ex) {
             System.out.printf("Received onError exception in getNodeIndexCallback: call=%s, reply=%d, context=%d%n",
                 ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
diff --git a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiNotificationExample.java b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiNotificationExample.java
index f445dcc87e4..7460401e36e 100644
--- a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiNotificationExample.java
+++ b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiNotificationExample.java
@@ -33,7 +33,7 @@ public class FutureApiNotificationExample {
              final FutureJVppCoreFacade jvppFacade = new FutureJVppCoreFacade(registry, new JVppCoreImpl());
              final AutoCloseable notificationListenerReg =
                  jvppFacade.getNotificationRegistry()
-                     .registerSwInterfaceSetFlagsNotificationCallback(NotificationUtils::printNotification)) {
+                     .registerSwInterfaceEventNotificationCallback(NotificationUtils::printNotification)) {
             System.out.println("Successfully connected to VPP");
             jvppFacade.wantInterfaceEvents(getEnableInterfaceNotificationsReq()).toCompletableFuture().get();
             System.out.println("Interface events started");
diff --git a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/NotificationUtils.java b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/NotificationUtils.java
index 7791cafe2a7..d3f9dd2c732 100644
--- a/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/NotificationUtils.java
+++ b/src/vpp-api/java/jvpp-core/io/fd/vpp/jvpp/core/examples/NotificationUtils.java
@@ -18,14 +18,14 @@ package io.fd.vpp.jvpp.core.examples;
 
 import java.io.PrintStream;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlags;
-import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlagsNotification;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceEventNotification;
 import io.fd.vpp.jvpp.core.dto.WantInterfaceEvents;
 
 final class NotificationUtils {
 
     private NotificationUtils() {}
 
-    static PrintStream printNotification(final SwInterfaceSetFlagsNotification msg) {
+    static PrintStream printNotification(final SwInterfaceEventNotification msg) {
         return System.out.printf("Received interface notification: ifc: %s%n", msg);
     }
 
@@ -33,7 +33,6 @@ final class NotificationUtils {
         final SwInterfaceSetFlags swInterfaceSetFlags = new SwInterfaceSetFlags();
         swInterfaceSetFlags.swIfIndex = 0;
         swInterfaceSetFlags.adminUpDown = 1;
-        swInterfaceSetFlags.deleted = 0;
         return swInterfaceSetFlags;
     }
 
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/util.py b/src/vpp-api/java/jvpp/gen/jvppgen/util.py
index 947fc31d48a..42394419737 100644
--- a/src/vpp-api/java/jvpp/gen/jvppgen/util.py
+++ b/src/vpp-api/java/jvpp/gen/jvppgen/util.py
@@ -161,7 +161,6 @@ unconventional_naming_rep_req = {
 #
 # FIXME no convention in the naming of events (notifications) in vpe.api
 notifications_message_suffixes = ("event", "counters")
-notification_messages_reused = ["sw_interface_set_flags"]
 
 # messages that must be ignored. These messages are INSUFFICIENTLY marked as disabled in vpe.api
 # FIXME
@@ -170,7 +169,7 @@ ignored_messages = []
 
 def is_notification(name):
     """ Returns true if the structure is a notification regardless of its no other use """
-    return is_just_notification(name) or name.lower() in notification_messages_reused
+    return is_just_notification(name)
 
 
 def is_just_notification(name):
diff --git a/src/vpp/api/custom_dump.c b/src/vpp/api/custom_dump.c
index a57799cb2c4..0342476a445 100644
--- a/src/vpp/api/custom_dump.c
+++ b/src/vpp/api/custom_dump.c
@@ -108,11 +108,30 @@ static void *vl_api_sw_interface_set_flags_t_print
   else
     s = format (s, "admin-down ");
 
+  FINISH;
+}
+
+static void *vl_api_sw_interface_event_t_print
+  (vl_api_sw_interface_event_t * mp, void *handle)
+{
+  u8 *s;
+  s = format (0, "SCRIPT: sw_interface_event ");
+
+  s = format (s, "sw_if_index %d ", ntohl (mp->sw_if_index));
+
+  if (mp->admin_up_down)
+    s = format (s, "admin-up ");
+  else
+    s = format (s, "admin-down ");
+
   if (mp->link_up_down)
     s = format (s, "link-up");
   else
     s = format (s, "link-down");
 
+  if (mp->deleted)
+    s = format (s, " deleted");
+
   FINISH;
 }
 
@@ -3010,6 +3029,7 @@ foreach_custom_print_no_arg_function
 _(CREATE_LOOPBACK, create_loopback)                                     \
 _(CREATE_LOOPBACK_INSTANCE, create_loopback_instance)                   \
 _(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags)                       \
+_(SW_INTERFACE_EVENT, sw_interface_event)                               \
 _(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address)           \
 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table)                       \
 _(SW_INTERFACE_SET_MPLS_ENABLE, sw_interface_set_mpls_enable)           \