vrrp: add stats support and update API

Add simple counter statistics to VRRP, based on a subset of those
defined in RFC8347.

Add an update API that allows in-place modification of an existing
instance. The method returns a vrrp_index which can be used both for
retrieving statistics and to modify non-key parameters. Also add a
delete method which will take that vrrp_index as parameter.

Type: improvement
Signed-off-by: Emanuele Di Pascale <lele84@gmail.com>
Change-Id: I2cd11467b4dbd9dfdb5aa748783144b4883dba57

1 files changed, 50 insertions, 1 deletions

diff --git a/src/plugins/vrrp/vrrp.api b/src/plugins/vrrp/vrrp.api
index a34b06ffc57..03193e99a2c 100644
--- a/src/plugins/vrrp/vrrp.api
+++ b/src/plugins/vrrp/vrrp.api
@@ -5,7 +5,7 @@
  *
  */
 
-option version = "1.0.1";
+option version = "1.1.1";
 
 import "vnet/interface_types.api";
 import "vnet/ip/ip_types.api";
@@ -60,6 +60,55 @@ autoreply define vrrp_vr_add_del {
   vl_api_address_t addrs[n_addrs];
 };
 
+/** @brief Replace an existing VRRP virtual router in-place or create a new one
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param vrrp_index - an existing VRRP entry to replace, or 0xffffffff to crate a new one
+    @param sw_if_index - interface backed up by this vr
+    @param vr_id - the VR ID advertised by this vr
+    @param priority - the priority advertised for this vr
+    @param interval - interval between advertisements in centiseconds
+    @param flags - bit flags for booleans - preempt, accept, unicast, ipv6
+    @param n_addrs - number of addresses being backed up by this vr
+    @param addrs - the addresses backed up by this vr
+*/
+define vrrp_vr_update {
+  u32 client_index;
+  u32 context;
+  u32 vrrp_index;
+  vl_api_interface_index_t sw_if_index;
+  u8 vr_id;
+  u8 priority;
+  u16 interval;
+  vl_api_vrrp_vr_flags_t flags;
+  u8 n_addrs;
+  vl_api_address_t addrs[n_addrs];
+};
+
+/**
+ * @brief Reply to a VRRP add/replace
+ * @param context - returned sender context, to match reply w/ request
+ * @param vrrp_index - index of the updated or newly created VRRP instance
+ * @param retval 0 - no error
+ */
+define vrrp_vr_update_reply {
+  u32 context;
+  i32 retval;
+  u32 vrrp_index;
+};
+
+/**
+ * @brief Delete an existing VRRP instance
+ * @param client_index - opaque cookie to identify the sender
+ * @param context - returned sender context, to match reply w/ request
+ * @param vrrp_index - index of the VRRP instance to delete
+ */
+autoreply define vrrp_vr_del {
+  u32 client_index;
+  u32 context;
+  u32 vrrp_index;
+};
+
 /** \brief VRRP: dump virtual router data
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request