src/plugins/nat/nat44-ei/nat44_ei_inlines.h

   1 /*
   2  * Copyright (c) 2020 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #ifndef __included_nat44_ei_inlines_h__
  17 #define __included_nat44_ei_inlines_h__
  18
  19 #include <nat/nat44-ei/nat44_ei_ha.h>
  20
  21 static_always_inline u8
  22 nat44_ei_maximum_sessions_exceeded (snat_main_t *sm, u32 thread_index)
  23 {
  24   if (pool_elts (sm->per_thread_data[thread_index].sessions) >=
  25       sm->max_translations_per_thread)
  26     return 1;
  27   return 0;
  28 }
  29
  30 always_inline void
  31 nat44_ei_session_update_counters (snat_session_t *s, f64 now, uword bytes,
  32                                   u32 thread_index)
  33 {
  34   s->last_heard = now;
  35   s->total_pkts++;
  36   s->total_bytes += bytes;
  37   nat_ha_sref (&s->out2in.addr, s->out2in.port, &s->ext_host_addr,
  38                s->ext_host_port, s->nat_proto, s->out2in.fib_index,
  39                s->total_pkts, s->total_bytes, thread_index,
  40                &s->ha_last_refreshed, now);
  41 }
  42
  43 #endif /* __included_nat44_ei_inlines_h__ */
  44
  45 /*
  46  * fd.io coding-style-patch-verification: ON
  47  *
  48  * Local Variables:
  49  * eval: (c-set-style "gnu")
  50  * End:
  51  */