LISP: make statistics thread safe

Change-Id: I056dc6246f79d887d69ad459a6b8b3092a099baa
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

1 files changed, 15 insertions, 6 deletions

diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index 5c901f368c3..ebbd1be2e37 100644
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -285,7 +285,7 @@ dp_del_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index)
   if (fe->is_src_dst)
     gid_address_copy (&a->lcl_eid, &fe->leid);
 
-  vnet_lisp_del_fwd_stats (a, feip[0]);
+  vnet_lisp_gpe_del_fwd_counters (a, feip[0]);
   vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
 
   /* delete entry in fwd table */
@@ -532,10 +532,18 @@ dp_add_fwd_entry (lisp_cp_main_t * lcm, u32 src_map_index, u32 dst_map_index)
       a->action = rmt_map->action;
     }
 
-  vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
+  rv = vnet_lisp_gpe_add_del_fwd_entry (a, &sw_if_index);
+  if (rv)
+    {
+      if (a->locator_pairs)
+	vec_free (a->locator_pairs);
+      return;
+    }
 
-  /* add tunnel to fwd entry table XXX check return value from DP insertion */
+  /* add tunnel to fwd entry table */
   pool_get (lcm->fwd_entry_pool, fe);
+  vnet_lisp_gpe_add_fwd_counters (a, fe - lcm->fwd_entry_pool);
+
   fe->locator_pairs = a->locator_pairs;
   gid_address_copy (&fe->reid, &a->rmt_eid);
 
@@ -3608,7 +3616,8 @@ lisp_stats_api_fill (lisp_cp_main_t * lcm, lisp_gpe_main_t * lgm,
 		     lisp_api_stats_t * stat, lisp_stats_key_t * key,
 		     u32 stats_index)
 {
-  lisp_stats_t *s;
+  vlib_counter_t v;
+  vlib_combined_counter_main_t *cm = &lgm->counters;
   lisp_gpe_fwd_entry_key_t fwd_key;
   const lisp_gpe_tunnel_t *lgt;
   fwd_entry_t *fe;
@@ -3627,8 +3636,8 @@ lisp_stats_api_fill (lisp_cp_main_t * lcm, lisp_gpe_main_t * lgm,
   stat->loc_rloc = lgt->key->lcl;
   stat->rmt_rloc = lgt->key->rmt;
 
-  s = pool_elt_at_index (lgm->lisp_stats_pool, stats_index);
-  stat->stats = *s;
+  vlib_get_combined_counter (cm, stats_index, &v);
+  stat->counters = v;
   return 1;
 }