b968ee21e9ca99e8e96f3c1ce049b8de9c3000e0
[vpp.git] / src / plugins / snat / snat_ipfix_logging.h
1 /*
2  * snat_ipfix_logging.h - NAT Events IPFIX logging
3  *
4  * Copyright (c) 2016 Cisco and/or its affiliates.
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 #ifndef __included_snat_ipfix_logging_h__
18 #define __included_snat_ipfix_logging_h__
19
20 typedef enum {
21   NAT_ADDRESSES_EXHAUTED = 3,
22   NAT44_SESSION_CREATE = 4,
23   NAT44_SESSION_DELETE = 5,
24   NAT_PORTS_EXHAUSTED = 12,
25 } nat_event_t;
26
27 typedef struct {
28   /** S-NAT IPFIX logging enabled */
29   u8 enabled;
30
31   /** ipfix buffers under construction */
32   vlib_buffer_t *nat44_session_buffer;
33   vlib_buffer_t *addr_exhausted_buffer;
34
35   /** frames containing ipfix buffers */
36   vlib_frame_t *nat44_session_frame;
37   vlib_frame_t *addr_exhausted_frame;
38
39   /** next record offset */
40   u32 nat44_session_next_record_offset;
41   u32 addr_exhausted_next_record_offset;
42
43   /** Time reference pair */
44   u64 milisecond_time_0;
45   f64 vlib_time_0;
46
47   /** template IDs */
48   u16 nat44_session_template_id;
49   u16 addr_exhausted_template_id;
50
51   /** stream index */
52   u32 stream_index;
53 } snat_ipfix_logging_main_t;
54
55 extern snat_ipfix_logging_main_t snat_ipfix_logging_main;
56
57 void snat_ipfix_logging_init (vlib_main_t * vm);
58 int snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port);
59 void snat_ipfix_logging_nat44_ses_create (u32 src_ip, u32 nat_src_ip,
60                                           snat_protocol_t snat_proto,
61                                           u16 src_port, u16 nat_src_port,
62                                           u32 vrf_id);
63 void snat_ipfix_logging_nat44_ses_delete (u32 src_ip, u32 nat_src_ip,
64                                           snat_protocol_t snat_proto,
65                                           u16 src_port, u16 nat_src_port,
66                                           u32 vrf_id);
67 void snat_ipfix_logging_addresses_exhausted(u32 pool_id);
68 #endif /* __included_snat_ipfix_logging_h__ */