/* * Copyright (c) 2015 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_vnet_flow_report_h__ #define __included_vnet_flow_report_h__ #include <vlib/vlib.h> #include <vnet/vnet.h> #include <vnet/pg/pg.h> #include <vnet/ethernet/ethernet.h> #include <vnet/ethernet/packet.h> #include <vnet/ip/ip_packet.h> #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/udp/udp.h> #include <vlib/cli.h> #include <vppinfra/error.h> #include <vppinfra/hash.h> #include <vppinfra/cache.h> #include <vnet/ipfix-export/ipfix_packet.h> /* ipfix field definitions for a particular report */ typedef struct { u32 info_element; u32 size; } ipfix_report_element_t; /* Used to build the rewrite */ typedef struct { ip4_header_t ip4; udp_header_t udp; ipfix_template_packet_t ipfix; } ip4_ipfix_template_packet_t; struct flow_report_main; struct flow_report; typedef vlib_frame_t *(vnet_flow_data_callback_t) (struct flow_report_main *, struct flow_report *, vlib_frame_t *, u32 *, u32); typedef u8 *(vnet_flow_rewrite_callback_t) (struct flow_report_main *, struct flow_report *, ip4_address_t *, ip4_address_t *, u16, ipfix_report_element_t * elts, u32 n_elts, u32 * stream_index); u8 *vnet_flow_rewrite_generic_callback (struct flow_report_main *, struct flow_report *, ip4_address_t *, ip4_address_t *, u16, ipfix_report_element_t * elts, u32 n_elts, u32 * stream_index); typedef union { void *as_ptr; uword as_uword; } opaque_t; typedef struct { u32 domain_id; u32 sequence_number; u16 src_port; u16 n_reports; u16 next_template_no; } flow_report_stream_t; typedef struct flow_report { /* ipfix rewrite, set by callback */ u8 *rewrite; u16 template_id; u32 stream_index; f64 last_template_sent; int update_rewrite; /* Bitmap of fields to send */ uword *fields_to_send; /* Opaque data */ opaque_t opaque; /* build-the-template-packet rewrite callback */ vnet_flow_rewrite_callback_t *rewrite_callback; ipfix_report_element_t *report_elements; u32 n_report_elements; u32 *stream_indexp; /* Send-flow-data callback */ vnet_flow_data_callback_t *flow_data_callback; } flow_report_t; typedef struct flow_report_main { flow_report_t *reports; flow_report_stream_t *streams; /* ipfix collector ip address, port, our ip address, fib index */ ip4_address_t ipfix_collector; u16 collector_port; ip4_address_t src_address; u32 fib_index; /* Path MTU */ u32 path_mtu; /* time interval in seconds after which to resend templates */ u32 template_interval; /* UDP checksum calculation enable flag */ u8 udp_checksum; /* time scale transform. Joy. */ u32 unix_time_0; f64 vlib_time_0; /* convenience variables */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; } flow_report_main_t; extern flow_report_main_t flow_report_main; extern vlib_node_registration_t flow_report_process_node; int vnet_flow_report_enable_disable (u32 sw_if_index, u32 table_index, int enable_disable); typedef struct { vnet_flow_data_callback_t *flow_data_callback; vnet_flow_rewrite_callback_t *rewrite_callback; ipfix_report_element_t *report_elements; u32 n_report_elements; opaque_t opaque; int is_add; u32 domain_id; u16 src_port; u32 *stream_indexp; } vnet_flow_report_add_del_args_t; int vnet_flow_report_add_del (flow_report_main_t * frm, vnet_flow_report_add_del_args_t * a, u16 * template_id); clib_error_t *flow_report_add_del_error_to_clib_error (int error); void vnet_flow_reports_reset (flow_report_main_t * frm); void vnet_stream_reset (flow_report_main_t * frm, u32 stream_index); int vnet_stream_change (flow_report_main_t * frm, u32 old_domain_id, u16 old_src_port, u32 new_domain_id, u16 new_src_port); #endif /* __included_vnet_flow_report_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */