Add an option to dump details about specific LISP EID in API/CLI

Change-Id: Ie5e6751fd791e7ca728522632332abe442a1a75b
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

2 files changed, 47 insertions, 1 deletions

diff --git a/vpp/vpp-api/api.c b/vpp/vpp-api/api.c
index 58f7aeff..767b9d5d 100644
--- a/vpp/vpp-api/api.c
+++ b/vpp/vpp-api/api.c
@@ -5337,19 +5337,50 @@ static void
 vl_api_lisp_local_eid_table_dump_t_handler (
     vl_api_lisp_local_eid_table_dump_t *mp)
 {
+    u32 mi;
     unix_shared_memory_queue_t * q = NULL;
     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
     mapping_t * mapit = NULL;
+    gid_address_t _eid, * eid = &_eid;
 
     q = vl_api_client_index_to_input_queue (mp->client_index);
     if (q == 0) {
         return;
     }
 
-    pool_foreach (mapit, lcm->mapping_pool,
+    if (mp->eid_set) {
+        memset (eid, 0, sizeof (*eid));
+        gid_address_vni(eid) = ntohl(mp->vni);
+        switch (mp->eid_type) {
+        case 0:
+            gid_address_type(eid) = GID_ADDR_IP_PREFIX;
+            gid_address_ippref_len(eid) = mp->prefix_length;
+            gid_address_ip_version(eid) = IP4;
+            clib_memcpy (&gid_address_ippref(eid), mp->eid, 4);
+            break;
+        case 1:
+            gid_address_type(eid) = GID_ADDR_IP_PREFIX;
+            gid_address_ippref_len(eid) = mp->prefix_length;
+            gid_address_ip_version(eid) = IP6;
+            clib_memcpy (&gid_address_ippref(eid), mp->eid, 16);
+            break;
+        case 2:
+            gid_address_type(eid) = GID_ADDR_MAC;
+            clib_memcpy (gid_address_mac(eid), mp->eid, 6);
+            break;
+        }
+        mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, eid);
+        if ((u32)~0 == mi)
+          return;
+
+        mapit = pool_elt_at_index (lcm->mapping_pool, mi);
+        send_lisp_local_eid_table_details(mapit, q, mp->context);
+    } else {
+        pool_foreach (mapit, lcm->mapping_pool,
         ({
             send_lisp_local_eid_table_details(mapit, q, mp->context);
         }));
+    }
 }
 
 static void
diff --git a/vpp/vpp-api/vpe.api b/vpp/vpp-api/vpe.api
index 9057de9d..bf13efb8 100644
--- a/vpp/vpp-api/vpe.api
+++ b/vpp/vpp-api/vpe.api
@@ -2542,10 +2542,25 @@ manual_java define lisp_local_eid_table_details {
 /** \brief Request for local eid table summary status
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request
+    @param eid_set - if non-zero request info about specific mapping
+    @param vni - virtual network instance; valid only if eid_set != 0
+    @param prefix_length - prefix length if EID is IP address;
+      valid only if eid_set != 0
+    @param eid_type - EID type; valid only if eid_set != 0
+      Supported values:
+        0: EID is IPv4
+        1: EID is IPv6
+        2: EID is ethernet address
+    @param eid - endpoint identifier
  */
 define lisp_local_eid_table_dump {
     u32 client_index;
     u32 context;
+    u8  eid_set;
+    u8  prefix_length;
+    u32 vni;
+    u8  eid_type;
+    u8  eid[16];
 };
 
 /** \brief Shows relationship between vni and vrf