SNAT: IPFIX logging (VPP-445)

Change-Id: I8450217dd43a1cd9f510e40dfb22274ffc33a4c6
Signed-off-by: Matus Fabian <matfabia@cisco.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/src/plugins/snat/snat_ipfix_logging.h b/src/plugins/snat/snat_ipfix_logging.h
new file mode 100644
index 00000000000..b968ee21e9c
--- /dev/null
+++ b/src/plugins/snat/snat_ipfix_logging.h
@@ -0,0 +1,68 @@
+/*
+ * snat_ipfix_logging.h - NAT Events IPFIX logging
+ *
+ * Copyright (c) 2016 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 __included_snat_ipfix_logging_h__
+#define __included_snat_ipfix_logging_h__
+
+typedef enum {
+  NAT_ADDRESSES_EXHAUTED = 3,
+  NAT44_SESSION_CREATE = 4,
+  NAT44_SESSION_DELETE = 5,
+  NAT_PORTS_EXHAUSTED = 12,
+} nat_event_t;
+
+typedef struct {
+  /** S-NAT IPFIX logging enabled */
+  u8 enabled;
+
+  /** ipfix buffers under construction */
+  vlib_buffer_t *nat44_session_buffer;
+  vlib_buffer_t *addr_exhausted_buffer;
+
+  /** frames containing ipfix buffers */
+  vlib_frame_t *nat44_session_frame;
+  vlib_frame_t *addr_exhausted_frame;
+
+  /** next record offset */
+  u32 nat44_session_next_record_offset;
+  u32 addr_exhausted_next_record_offset;
+
+  /** Time reference pair */
+  u64 milisecond_time_0;
+  f64 vlib_time_0;
+
+  /** template IDs */
+  u16 nat44_session_template_id;
+  u16 addr_exhausted_template_id;
+
+  /** stream index */
+  u32 stream_index;
+} snat_ipfix_logging_main_t;
+
+extern snat_ipfix_logging_main_t snat_ipfix_logging_main;
+
+void snat_ipfix_logging_init (vlib_main_t * vm);
+int snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port);
+void snat_ipfix_logging_nat44_ses_create (u32 src_ip, u32 nat_src_ip,
+                                          snat_protocol_t snat_proto,
+                                          u16 src_port, u16 nat_src_port,
+                                          u32 vrf_id);
+void snat_ipfix_logging_nat44_ses_delete (u32 src_ip, u32 nat_src_ip,
+                                          snat_protocol_t snat_proto,
+                                          u16 src_port, u16 nat_src_port,
+                                          u32 vrf_id);
+void snat_ipfix_logging_addresses_exhausted(u32 pool_id);
+#endif /* __included_snat_ipfix_logging_h__ */