X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Freass%2Fip4_sv_reass.c;h=9971dafd9fd1b3f7dd04c500e55056aeb1b71e26;hb=4ab6ad136b62add35598f3c354231701b7c14c65;hp=f5fa575e64d6c8f95c7a75ed4c42d2b47468d2ea;hpb=e3241f04410fa45099f958f77636b80293904fc3;p=vpp.git

diff --git a/src/vnet/ip/reass/ip4_sv_reass.c b/src/vnet/ip/reass/ip4_sv_reass.c
index f5fa575e64d..9971dafd9fd 100644
--- a/src/vnet/ip/reass/ip4_sv_reass.c
+++ b/src/vnet/ip/reass/ip4_sv_reass.c
@@ -321,6 +321,8 @@ ip4_sv_reass_find_or_create (vlib_main_t * vm, ip4_sv_reass_main_t * rm,
   ip4_sv_reass_t *reass = NULL;
   f64 now = vlib_time_now (vm);
 
+again:
+
   if (!clib_bihash_search_16_8 (&rm->hash, &kv->kv, &kv->kv))
     {
       if (vm->thread_index != kv->v.thread_index)
@@ -375,10 +377,14 @@ ip4_sv_reass_find_or_create (vlib_main_t * vm, ip4_sv_reass_main_t * rm,
   kv->v.thread_index = vm->thread_index;
   reass->last_heard = now;
 
-  if (clib_bihash_add_del_16_8 (&rm->hash, &kv->kv, 1))
+  int rv = clib_bihash_add_del_16_8 (&rm->hash, &kv->kv, 2);
+  if (rv)
     {
       ip4_sv_reass_free (vm, rm, rt, reass);
       reass = NULL;
+      // if other worker created a context already work with the other copy
+      if (-2 == rv)
+	goto again;
     }
 
   return reass;