Add new lisp API - Show pitr

VAT API:
   - show_lisp_pitr
CLI API:
   - show lisp pitr

Change-Id: Ibd31cb09efc34a49b439338e9467faf7a151f2cd
Signed-off-by: Andrej Kozemcak <akozemca@cisco.com>

2 files changed, 59 insertions, 0 deletions

diff --git a/vpp/vpp-api/api.c b/vpp/vpp-api/api.c
index 6a5a152e..4fe183bc 100644
--- a/vpp/vpp-api/api.c
+++ b/vpp/vpp-api/api.c
@@ -347,6 +347,7 @@ _(LISP_ENABLE_DISABLE_STATUS_DUMP,                                      \
 _(LISP_ADD_DEL_MAP_REQUEST_ITR_RLOCS,                                   \
   lisp_add_del_map_request_itr_rlocs)                                   \
 _(LISP_GET_MAP_REQUEST_ITR_RLOCS, lisp_get_map_request_itr_rlocs)       \
+_(SHOW_LISP_PITR, show_lisp_pitr)                                       \
 _(SR_MULTICAST_MAP_ADD_DEL, sr_multicast_map_add_del)                   \
 _(AF_PACKET_CREATE, af_packet_create)                                   \
 _(AF_PACKET_DELETE, af_packet_delete)                                   \
@@ -5609,6 +5610,43 @@ vl_api_lisp_get_map_request_itr_rlocs_t_handler (
 }
 
 static void
+vl_api_show_lisp_pitr_t_handler (vl_api_show_lisp_pitr_t * mp)
+{
+    unix_shared_memory_queue_t * q = NULL;
+    vl_api_show_lisp_pitr_reply_t * rmp = NULL;
+    lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
+    mapping_t * m;
+    locator_set_t * ls = 0;
+    u8 * tmp_str = 0;
+    int rv = 0;
+
+    q = vl_api_client_index_to_input_queue (mp->client_index);
+    if (q == 0) {
+        return;
+    }
+
+    if (~0 == lcm->pitr_map_index) {
+      tmp_str = format(0, "N/A");
+    } else {
+      m = pool_elt_at_index (lcm->mapping_pool, lcm->pitr_map_index);
+      if (~0 != m->locator_set_index) {
+        ls = pool_elt_at_index (lcm->locator_set_pool, m->locator_set_index);
+        tmp_str = format(0, "%s", ls->name);
+      } else {
+        tmp_str = format(0, "N/A");
+      }
+    }
+    vec_add1(tmp_str, 0);
+
+    REPLY_MACRO2(VL_API_SHOW_LISP_PITR_REPLY,
+    ({
+      rmp->status = lcm->lisp_pitr;
+      strncpy((char *) rmp->locator_set_name, (char *) tmp_str,
+              ARRAY_LEN(rmp->locator_set_name) - 1);
+    }));
+}
+
+static void
 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *mp)
 {
     vl_api_interface_name_renumber_reply_t * rmp;
diff --git a/vpp/vpp-api/vpe.api b/vpp/vpp-api/vpe.api
index 841f3088..78a87f36 100644
--- a/vpp/vpp-api/vpe.api
+++ b/vpp/vpp-api/vpe.api
@@ -2661,6 +2661,27 @@ define lisp_get_map_request_itr_rlocs_reply {
     u8 locator_set_name[64];
 };
 
+/** \brief Request for lisp pitr status
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+*/
+define show_lisp_pitr {
+    u32 client_index;
+    u32 context;
+};
+
+/** \brief Status of lisp pitr, enable or disable
+    @param context - sender context, to match reply w/ request
+    @param status - lisp pitr enable if non-zero, else disable
+    @param locator_set_name -  name of the locator_set
+*/
+define show_lisp_pitr_reply {
+    u32 context;
+    i32 retval;
+    u8  status;
+    u8  locator_set_name[64];
+};
+
 /* Gross kludge, DGMS */
 define interface_name_renumber {
     u32 client_index;