/* * flowprobe.h - ipfix probe plug-in header file * * 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_flowprobe_h__ #define __included_flowprobe_h__ #include <vnet/vnet.h> #include <vnet/ip/ip.h> #include <vnet/ethernet/ethernet.h> #include <vppinfra/hash.h> #include <vppinfra/error.h> #include <vnet/ipfix-export/flow_report.h> #include <vnet/ipfix-export/flow_report_classify.h> #include <vppinfra/tw_timer_2t_1w_2048sl.h> /* Default timers in seconds */ #define FLOWPROBE_TIMER_ACTIVE (15) #define FLOWPROBE_TIMER_PASSIVE 120 // XXXX: FOR TESTING (30*60) #define FLOWPROBE_LOG2_HASHSIZE (18) typedef enum { FLOW_RECORD_L2 = 1 << 0, FLOW_RECORD_L3 = 1 << 1, FLOW_RECORD_L4 = 1 << 2, FLOW_RECORD_L2_IP4 = 1 << 3, FLOW_RECORD_L2_IP6 = 1 << 4, FLOW_N_RECORDS = 1 << 5, } flowprobe_record_t; /* *INDENT-OFF* */ typedef enum __attribute__ ((__packed__)) { FLOW_VARIANT_IP4, FLOW_VARIANT_IP6, FLOW_VARIANT_L2, FLOW_VARIANT_L2_IP4, FLOW_VARIANT_L2_IP6, FLOW_N_VARIANTS, } flowprobe_variant_t; /* *INDENT-ON* */ STATIC_ASSERT (sizeof (flowprobe_variant_t) == 1, "flowprobe_variant_t is expected to be 1 byte, " "revisit padding in flowprobe_key_t"); #define FLOW_MAXIMUM_EXPORT_ENTRIES (1024) typedef struct { /* what to collect per variant */ flowprobe_record_t flags; /** ipfix buffers under construction, per-worker thread */ vlib_buffer_t **buffers_per_worker; /** frames containing ipfix buffers, per-worker thread */ vlib_frame_t **frames_per_worker; /** next record offset, per worker thread */ u16 *next_record_offset_per_worker; } flowprobe_protocol_context_t; /* *INDENT-OFF* */ typedef struct __attribute__ ((aligned (8))) { u32 rx_sw_if_index; u32 tx_sw_if_index; u8 src_mac[6]; u8 dst_mac[6]; u16 ethertype; ip46_address_t src_address; ip46_address_t dst_address; u8 protocol; u16 src_port; u16 dst_port; flowprobe_variant_t which; } flowprobe_key_t; /* *INDENT-ON* */ typedef struct { u32 sec; u32 nsec; } timestamp_nsec_t; typedef struct { flowprobe_key_t key; u64 packetcount; u64 octetcount; timestamp_nsec_t flow_start; timestamp_nsec_t flow_end; f64 last_updated; f64 last_exported; u32 passive_timer_handle; union { struct { u16 flags; } tcp; } prot; } flowprobe_entry_t; /** * @file * @brief flow-per-packet plugin header file */ typedef struct { /** API message ID base */ u16 msg_id_base; flowprobe_protocol_context_t context[FLOW_N_VARIANTS]; u16 template_reports[FLOW_N_RECORDS]; u16 template_size[FLOW_N_RECORDS]; /** Time reference pair */ u64 nanosecond_time_0; f64 vlib_time_0; /** Per CPU flow-state */ u8 ht_log2len; /* Hash table size is 2^log2len */ u32 **hash_per_worker; flowprobe_entry_t **pool_per_worker; /* *INDENT-OFF* */ TWT (tw_timer_wheel) ** timers_per_worker; /* *INDENT-ON* */ u32 **expired_passive_per_worker; flowprobe_record_t record; u32 active_timer; u32 passive_timer; flowprobe_entry_t *stateless_entry; bool initialized; bool disabled; u16 template_per_flow[FLOW_N_VARIANTS]; u8 *flow_per_interface; /** convenience vlib_main_t pointer */ vlib_main_t *vlib_main; /** convenience vnet_main_t pointer */ vnet_main_t *vnet_main; } flowprobe_main_t; extern flowprobe_main_t flowprobe_main; extern vlib_node_registration_t flowprobe_walker_node; void flowprobe_flush_callback_ip4 (void); void flowprobe_flush_callback_ip6 (void); void flowprobe_flush_callback_l2 (void); u8 *format_flowprobe_entry (u8 * s, va_list * args); #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */