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Diffstat (limited to 'vpp/plugins/vcgn-plugin/vcgn/cnat_ipv4_icmp.h')
-rw-r--r--vpp/plugins/vcgn-plugin/vcgn/cnat_ipv4_icmp.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/vpp/plugins/vcgn-plugin/vcgn/cnat_ipv4_icmp.h b/vpp/plugins/vcgn-plugin/vcgn/cnat_ipv4_icmp.h
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+++ b/vpp/plugins/vcgn-plugin/vcgn/cnat_ipv4_icmp.h
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+/*
+ *-----------------------------------------------------------------------------
+ *
+ * Filename: cnat_ipv4_icmp.h
+ *
+ * Description: common functions for icmp node
+ *
+ * Assumptions and Constraints:
+ *
+ * Copyright (c) 2000-2009, 2014 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.
+ *-----------------------------------------------------------------------------
+ */
+
+#ifndef __CNAT_IPV4_ICMP_H__
+#define __CNAT_IPV4_ICMP_H__
+
+#include "tcp_header_definitions.h"
+#include "cnat_db.h"
+#include "cnat_v4_functions.h"
+#include "cnat_global.h"
+#include "cnat_config.h"
+
+typedef struct {
+ icmp_v4_t *icmp;
+ ipv4_header *em_ip;
+ u16 *em_port;
+ u16 *em_l4_checksum;
+} icmp_em_ip_info;
+
+extern void swap_ip_src_icmp_id(ipv4_header *ip,
+ icmp_v4_t *icmp,
+ cnat_main_db_entry_t *db,
+ u16 vrf);
+
+extern void swap_ip_dst_icmp_id(ipv4_header *ip,
+ icmp_v4_t *icmp,
+ cnat_main_db_entry_t *db,
+ u16 vrf);
+
+extern void swap_ip_src_emip_dst(ipv4_header *ip,
+ icmp_em_ip_info *icmp_info,
+ cnat_main_db_entry_t *db, u16 vrf);
+
+extern void swap_ip_dst_emip_src(ipv4_header *ip,
+ icmp_em_ip_info *icmp_info,
+ cnat_main_db_entry_t *db, u16 vrf);
+
+
+#endif /* __CNAT_IPV4_ICMP_H__ */