vnet/vnet/vcgn/cnat_ipv4_icmp.h

   1 /*
   2  *-----------------------------------------------------------------------------
   3  *
   4  * Filename: cnat_ipv4_icmp.h
   5  *
   6  * Description: common functions for icmp node
   7  *
   8  * Assumptions and Constraints:
   9  *
  10  * Copyright (c) 2000-2009, 2014 Cisco and/or its affiliates.
  11  * Licensed under the Apache License, Version 2.0 (the "License");
  12  * you may not use this file except in compliance with the License.
  13  * You may obtain a copy of the License at:
  14  *
  15  *     http://www.apache.org/licenses/LICENSE-2.0
  16  *
  17  * Unless required by applicable law or agreed to in writing, software
  18  * distributed under the License is distributed on an "AS IS" BASIS,
  19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20  * See the License for the specific language governing permissions and
  21  * limitations under the License.
  22  *-----------------------------------------------------------------------------
  23  */
  24
  25 #ifndef __CNAT_IPV4_ICMP_H__
  26 #define __CNAT_IPV4_ICMP_H__
  27
  28 #include "tcp_header_definitions.h"
  29 #include "cnat_db.h"
  30 #include "cnat_v4_functions.h"
  31 #include "cnat_global.h"
  32 #include "cnat_config.h"
  33
  34 typedef struct {
  35     icmp_v4_t   *icmp;
  36     ipv4_header *em_ip;
  37     u16         *em_port;
  38     u16         *em_l4_checksum;
  39 } icmp_em_ip_info;
  40
  41 inline void swap_ip_src_icmp_id(ipv4_header *ip,
  42                                 icmp_v4_t *icmp,
  43                                 cnat_main_db_entry_t *db,
  44                                 u16 vrf);
  45
  46 inline void swap_ip_dst_icmp_id(ipv4_header *ip,
  47                                 icmp_v4_t *icmp,
  48                                 cnat_main_db_entry_t *db,
  49                                 u16 vrf);
  50
  51 #endif /* __CNAT_IPV4_ICMP_H__ */