/* * nat_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_nat_ipfix_logging_h__ #define __included_nat_ipfix_logging_h__ #include <nat/nat.h> typedef enum { NAT_ADDRESSES_EXHAUTED = 3, NAT44_SESSION_CREATE = 4, NAT44_SESSION_DELETE = 5, NAT64_SESSION_CREATE = 6, NAT64_SESSION_DELETE = 7, NAT64_BIB_CREATE = 10, NAT64_BIB_DELETE = 11, NAT_PORTS_EXHAUSTED = 12, QUOTA_EXCEEDED = 13, } nat_event_t; typedef enum { MAX_SESSION_ENTRIES = 1, MAX_BIB_ENTRIES = 2, MAX_ENTRIES_PER_USER = 3, MAX_FRAGMENTS_PENDING_REASSEMBLY = 5, MAX_FRAGMENTS_PENDING_REASSEMBLY_IP6, } quota_exceed_event_t; typedef struct { /** ipfix buffers under construction */ vlib_buffer_t *nat44_session_buffer; vlib_buffer_t *addr_exhausted_buffer; vlib_buffer_t *max_entries_per_user_buffer; vlib_buffer_t *max_sessions_buffer; vlib_buffer_t *max_bibs_buffer; vlib_buffer_t *max_frags_ip4_buffer; vlib_buffer_t *max_frags_ip6_buffer; vlib_buffer_t *nat64_bib_buffer; vlib_buffer_t *nat64_ses_buffer; /** frames containing ipfix buffers */ vlib_frame_t *nat44_session_frame; vlib_frame_t *addr_exhausted_frame; vlib_frame_t *max_entries_per_user_frame; vlib_frame_t *max_sessions_frame; vlib_frame_t *max_bibs_frame; vlib_frame_t *max_frags_ip4_frame; vlib_frame_t *max_frags_ip6_frame; vlib_frame_t *nat64_bib_frame; vlib_frame_t *nat64_ses_frame; /** next record offset */ u32 nat44_session_next_record_offset; u32 addr_exhausted_next_record_offset; u32 max_entries_per_user_next_record_offset; u32 max_sessions_next_record_offset; u32 max_bibs_next_record_offset; u32 max_frags_ip4_next_record_offset; u32 max_frags_ip6_next_record_offset; u32 nat64_bib_next_record_offset; u32 nat64_ses_next_record_offset; } snat_ipfix_per_thread_data_t; typedef struct { /** NAT plugin IPFIX logging enabled */ u8 enabled; /** Time reference pair */ u64 milisecond_time_0; f64 vlib_time_0; /* Per thread data */ snat_ipfix_per_thread_data_t *per_thread_data; /** template IDs */ u16 nat44_session_template_id; u16 addr_exhausted_template_id; u16 max_entries_per_user_template_id; u16 max_sessions_template_id; u16 max_bibs_template_id; u16 max_frags_ip4_template_id; u16 max_frags_ip6_template_id; u16 nat64_bib_template_id; u16 nat64_ses_template_id; /** stream index */ u32 stream_index; /** vector of worker vlib mains */ vlib_main_t **worker_vms; /** nat data callbacks call counter */ u16 call_counter; } 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 thread_index, 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 thread_index, 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 thread_index, u32 pool_id); void snat_ipfix_logging_max_entries_per_user(u32 thread_index, u32 limit, u32 src_ip); void nat_ipfix_logging_max_sessions(u32 thread_index, u32 limit); void nat_ipfix_logging_max_bibs(u32 thread_index, u32 limit); void nat_ipfix_logging_max_fragments_ip4(u32 thread_index, u32 limit, ip4_address_t * src); void nat_ipfix_logging_max_fragments_ip6(u32 thread_index, u32 limit, ip6_address_t * src); void nat_ipfix_logging_nat64_session(u32 thread_index, ip6_address_t * src_ip, ip4_address_t * nat_src_ip, u8 proto, u16 src_port, u16 nat_src_port, ip6_address_t * dst_ip, ip4_address_t * nat_dst_ip, u16 dst_port, u16 nat_dst_port, u32 vrf_id, u8 is_create); void nat_ipfix_logging_nat64_bib(u32 thread_index, ip6_address_t * src_ip, ip4_address_t * nat_src_ip, u8 proto, u16 src_port, u16 nat_src_port, u32 vrf_id, u8 is_create); #endif /* __included_nat_ipfix_logging_h__ */