nat: refactor of port/address allocation functions

Change-Id: Ie2a3c0f44322dd8415603b7ce51bb72d72769c95
Ticket: VPP-1815
Type: refactor
Signed-off-by: Filip Varga <fivarga@cisco.com>

1 files changed, 0 insertions, 109 deletions

diff --git a/src/plugins/nat/nat44_inlines.h b/src/plugins/nat/nat44_inlines.h
deleted file mode 100644
index eb1077cdf34..00000000000
--- a/src/plugins/nat/nat44_inlines.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright (c) 2019 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * @brief The NAT44 inline functions
- */
-#ifndef __included_nat44_inlines_h__
-#define __included_nat44_inlines_h__
-
-#include <vnet/fib/ip4_fib.h>
-#include <nat/nat.h>
-
-static_always_inline void
-nat44_session_cleanup (snat_session_t * s, u32 thread_index)
-{
-  snat_main_t *sm = &snat_main;
-
-  nat_free_session_data (sm, s, thread_index, 0);
-  nat44_delete_session (sm, s, thread_index);
-}
-
-static_always_inline void
-nat44_user_try_cleanup (snat_user_t * u, u32 thread_index, f64 now)
-{
-  dlist_elt_t *elt;
-  snat_session_t *s;
-  u64 sess_timeout_time;
-
-  snat_main_t *sm = &snat_main;
-  snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
-
-  // get head
-  elt = pool_elt_at_index (tsm->list_pool,
-			   u->sessions_per_user_list_head_index);
-  // get first element
-  elt = pool_elt_at_index (tsm->list_pool, elt->next);
-
-  while (elt->value != ~0)
-    {
-      s = pool_elt_at_index (tsm->sessions, elt->value);
-      elt = pool_elt_at_index (tsm->list_pool, elt->next);
-
-      sess_timeout_time = s->last_heard +
-	(f64) nat44_session_get_timeout (sm, s);
-
-      if (now < sess_timeout_time)
-	continue;
-
-      nat44_session_cleanup (s, thread_index);
-    }
-}
-
-static_always_inline void
-nat44_session_try_cleanup (ip4_address_t * addr,
-			   u32 fib_index, u32 thread_index, f64 now)
-{
-  snat_user_t *u = 0;
-  snat_user_key_t user_key;
-  clib_bihash_kv_8_8_t kv, value;
-
-  snat_main_t *sm = &snat_main;
-  snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
-
-  user_key.addr.as_u32 = addr->as_u32;
-  user_key.fib_index = fib_index;
-  kv.key = user_key.as_u64;
-
-  // lookup user for this traffic
-  if (PREDICT_FALSE (clib_bihash_search_8_8 (&tsm->user_hash, &kv, &value)))
-    {
-      // there is still place and a new user can be created
-      if (PREDICT_TRUE (pool_elts (tsm->sessions) < sm->max_translations))
-	return;
-
-      // there is no place so we try to cleanup all users in this thread
-      /* *INDENT-OFF* */
-      pool_foreach (u, tsm->users,
-      ({
-        nat44_user_try_cleanup (u, thread_index, now);
-      }));
-      /* *INDENT-ON* */
-      return;
-    }
-
-  // each time user creates a new session we try to cleanup expired sessions
-  nat44_user_try_cleanup (pool_elt_at_index (tsm->users, value.value),
-			  thread_index, now);
-}
-
-#endif /* __included_nat44_inlines_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */