1a752e82dSGleb Smirnoff /*- 25dcd9c10SGleb Smirnoff * Copyright (c) 2010-2011 Alexander V. Chernikov <melifaro@ipfw.ru> 31d03bd16SGleb Smirnoff * Copyright (c) 2004-2005 Gleb Smirnoff <glebius@FreeBSD.org> 4a752e82dSGleb Smirnoff * Copyright (c) 2001-2003 Roman V. Palagin <romanp@unshadow.net> 5a752e82dSGleb Smirnoff * All rights reserved. 6a752e82dSGleb Smirnoff * 7a752e82dSGleb Smirnoff * Redistribution and use in source and binary forms, with or without 8a752e82dSGleb Smirnoff * modification, are permitted provided that the following conditions 9a752e82dSGleb Smirnoff * are met: 10a752e82dSGleb Smirnoff * 1. Redistributions of source code must retain the above copyright 11a752e82dSGleb Smirnoff * notice, this list of conditions and the following disclaimer. 12a752e82dSGleb Smirnoff * 2. Redistributions in binary form must reproduce the above copyright 13a752e82dSGleb Smirnoff * notice, this list of conditions and the following disclaimer in the 14a752e82dSGleb Smirnoff * documentation and/or other materials provided with the distribution. 15a752e82dSGleb Smirnoff * 16a752e82dSGleb Smirnoff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17a752e82dSGleb Smirnoff * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18a752e82dSGleb Smirnoff * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19a752e82dSGleb Smirnoff * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20a752e82dSGleb Smirnoff * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21a752e82dSGleb Smirnoff * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22a752e82dSGleb Smirnoff * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23a752e82dSGleb Smirnoff * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24a752e82dSGleb Smirnoff * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25a752e82dSGleb Smirnoff * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26a752e82dSGleb Smirnoff * SUCH DAMAGE. 27a752e82dSGleb Smirnoff * 28a752e82dSGleb Smirnoff * $SourceForge: ng_netflow.h,v 1.26 2004/09/04 15:44:55 glebius Exp $ 29a752e82dSGleb Smirnoff * $FreeBSD$ 30a752e82dSGleb Smirnoff */ 31a752e82dSGleb Smirnoff 32a752e82dSGleb Smirnoff #ifndef _NG_NETFLOW_H_ 33a752e82dSGleb Smirnoff #define _NG_NETFLOW_H_ 34a752e82dSGleb Smirnoff 35a752e82dSGleb Smirnoff #define NG_NETFLOW_NODE_TYPE "netflow" 36ea7e1638SGleb Smirnoff #define NGM_NETFLOW_COOKIE 1309868867 3710fcb07cSAlexander V. Chernikov #define NGM_NETFLOW_V9_COOKIE 1349865386 38a752e82dSGleb Smirnoff 39dc7359b8SGleb Smirnoff #define NG_NETFLOW_MAXIFACES USHRT_MAX 40a752e82dSGleb Smirnoff 41a752e82dSGleb Smirnoff /* Hook names */ 42a752e82dSGleb Smirnoff 43a752e82dSGleb Smirnoff #define NG_NETFLOW_HOOK_DATA "iface" 449818b82fSGleb Smirnoff #define NG_NETFLOW_HOOK_OUT "out" 45a752e82dSGleb Smirnoff #define NG_NETFLOW_HOOK_EXPORT "export" 465dcd9c10SGleb Smirnoff #define NG_NETFLOW_HOOK_EXPORT9 "export9" 475dcd9c10SGleb Smirnoff 485dcd9c10SGleb Smirnoff /* This define effectively disable (v5) netflow export hook! */ 495dcd9c10SGleb Smirnoff /* #define COUNTERS_64 */ 50a752e82dSGleb Smirnoff 51a752e82dSGleb Smirnoff /* Netgraph commands understood by netflow node */ 52a752e82dSGleb Smirnoff enum { 533d9dddcdSGleb Smirnoff NGM_NETFLOW_INFO = 1|NGM_READONLY|NGM_HASREPLY, /* get node info */ 543d9dddcdSGleb Smirnoff NGM_NETFLOW_IFINFO = 2|NGM_READONLY|NGM_HASREPLY, /* get iface info */ 553d9dddcdSGleb Smirnoff NGM_NETFLOW_SHOW = 3|NGM_READONLY|NGM_HASREPLY, /* show ip cache flow */ 563d9dddcdSGleb Smirnoff NGM_NETFLOW_SETDLT = 4, /* set data-link type */ 573d9dddcdSGleb Smirnoff NGM_NETFLOW_SETIFINDEX = 5, /* set interface index */ 583d9dddcdSGleb Smirnoff NGM_NETFLOW_SETTIMEOUTS = 6, /* set active/inactive flow timeouts */ 591a6dd095SAlexander Motin NGM_NETFLOW_SETCONFIG = 7, /* set flow generation options */ 605dcd9c10SGleb Smirnoff NGM_NETFLOW_SETTEMPLATE = 8, /* set v9 flow template periodic */ 615dcd9c10SGleb Smirnoff NGM_NETFLOW_SETMTU = 9, /* set outgoing interface MTU */ 6210fcb07cSAlexander V. Chernikov NGM_NETFLOW_V9INFO = 10|NGM_READONLY|NGM_HASREPLY, /* get v9 info */ 63a752e82dSGleb Smirnoff }; 64a752e82dSGleb Smirnoff 65a752e82dSGleb Smirnoff /* This structure is returned by the NGM_NETFLOW_INFO message */ 66a752e82dSGleb Smirnoff struct ng_netflow_info { 675dcd9c10SGleb Smirnoff uint64_t nfinfo_bytes; /* accounted IPv4 bytes */ 685dcd9c10SGleb Smirnoff uint32_t nfinfo_packets; /* accounted IPv4 packets */ 695dcd9c10SGleb Smirnoff uint64_t nfinfo_bytes6; /* accounted IPv6 bytes */ 705dcd9c10SGleb Smirnoff uint32_t nfinfo_packets6; /* accounted IPv6 packets */ 715dcd9c10SGleb Smirnoff uint64_t nfinfo_sbytes; /* skipped IPv4 bytes */ 725dcd9c10SGleb Smirnoff uint32_t nfinfo_spackets; /* skipped IPv4 packets */ 735dcd9c10SGleb Smirnoff uint64_t nfinfo_sbytes6; /* skipped IPv6 bytes */ 745dcd9c10SGleb Smirnoff uint32_t nfinfo_spackets6; /* skipped IPv6 packets */ 7535fd572dSGleb Smirnoff uint32_t nfinfo_used; /* used cache records */ 765dcd9c10SGleb Smirnoff uint32_t nfinfo_used6; /* used IPv6 cache records */ 7735fd572dSGleb Smirnoff uint32_t nfinfo_alloc_failed; /* failed allocations */ 7835fd572dSGleb Smirnoff uint32_t nfinfo_export_failed; /* failed exports */ 795dcd9c10SGleb Smirnoff uint32_t nfinfo_export9_failed; /* failed exports */ 805dcd9c10SGleb Smirnoff uint32_t nfinfo_realloc_mbuf; /* reallocated mbufs */ 815dcd9c10SGleb Smirnoff uint32_t nfinfo_alloc_fibs; /* fibs allocated */ 8235fd572dSGleb Smirnoff uint32_t nfinfo_act_exp; /* active expiries */ 8335fd572dSGleb Smirnoff uint32_t nfinfo_inact_exp; /* inactive expiries */ 84a752e82dSGleb Smirnoff uint32_t nfinfo_inact_t; /* flow inactive timeout */ 85a752e82dSGleb Smirnoff uint32_t nfinfo_act_t; /* flow active timeout */ 86a752e82dSGleb Smirnoff }; 87a752e82dSGleb Smirnoff 88a752e82dSGleb Smirnoff /* This structure is returned by the NGM_NETFLOW_IFINFO message */ 89a752e82dSGleb Smirnoff struct ng_netflow_ifinfo { 90a752e82dSGleb Smirnoff uint32_t ifinfo_packets; /* number of packets for this iface */ 91a752e82dSGleb Smirnoff uint8_t ifinfo_dlt; /* Data Link Type, DLT_XXX */ 92a752e82dSGleb Smirnoff #define MAXDLTNAMELEN 20 9371336d8cSGleb Smirnoff uint16_t ifinfo_index; /* connected iface index */ 941a6dd095SAlexander Motin uint32_t conf; 95a752e82dSGleb Smirnoff }; 96a752e82dSGleb Smirnoff 97a752e82dSGleb Smirnoff 98a752e82dSGleb Smirnoff /* This structure is passed to NGM_NETFLOW_SETDLT message */ 99a752e82dSGleb Smirnoff struct ng_netflow_setdlt { 100a752e82dSGleb Smirnoff uint16_t iface; /* which iface dlt change */ 101a752e82dSGleb Smirnoff uint8_t dlt; /* DLT_XXX from bpf.h */ 102a752e82dSGleb Smirnoff }; 103a752e82dSGleb Smirnoff 104a752e82dSGleb Smirnoff /* This structure is passed to NGM_NETFLOW_SETIFINDEX */ 105a752e82dSGleb Smirnoff struct ng_netflow_setifindex { 10671336d8cSGleb Smirnoff uint16_t iface; /* which iface index change */ 10771336d8cSGleb Smirnoff uint16_t index; /* new index */ 108a752e82dSGleb Smirnoff }; 109a752e82dSGleb Smirnoff 110a752e82dSGleb Smirnoff /* This structure is passed to NGM_NETFLOW_SETTIMEOUTS */ 111a752e82dSGleb Smirnoff struct ng_netflow_settimeouts { 112a752e82dSGleb Smirnoff uint32_t inactive_timeout; /* flow inactive timeout */ 113a752e82dSGleb Smirnoff uint32_t active_timeout; /* flow active timeout */ 114a752e82dSGleb Smirnoff }; 115a752e82dSGleb Smirnoff 11636374fcfSAlexander V. Chernikov #define NG_NETFLOW_CONF_INGRESS 0x01 /* Account on ingress */ 11736374fcfSAlexander V. Chernikov #define NG_NETFLOW_CONF_EGRESS 0x02 /* Account on egress */ 11836374fcfSAlexander V. Chernikov #define NG_NETFLOW_CONF_ONCE 0x04 /* Add tag to account only once */ 11936374fcfSAlexander V. Chernikov #define NG_NETFLOW_CONF_THISONCE 0x08 /* Account once in current node */ 12036374fcfSAlexander V. Chernikov #define NG_NETFLOW_CONF_NOSRCLOOKUP 0x10 /* No radix lookup on src */ 12136374fcfSAlexander V. Chernikov #define NG_NETFLOW_CONF_NODSTLOOKUP 0x20 /* No radix lookup on dst */ 12236374fcfSAlexander V. Chernikov 12336374fcfSAlexander V. Chernikov #define NG_NETFLOW_IS_FRAG 0x01 12436374fcfSAlexander V. Chernikov #define NG_NETFLOW_FLOW_FLAGS (NG_NETFLOW_CONF_NOSRCLOOKUP|\ 12536374fcfSAlexander V. Chernikov NG_NETFLOW_CONF_NODSTLOOKUP) 1261a6dd095SAlexander Motin 1271a6dd095SAlexander Motin /* This structure is passed to NGM_NETFLOW_SETCONFIG */ 1281a6dd095SAlexander Motin struct ng_netflow_setconfig { 12971336d8cSGleb Smirnoff uint16_t iface; /* which iface config change */ 13071336d8cSGleb Smirnoff uint32_t conf; /* new config */ 1311a6dd095SAlexander Motin }; 1321a6dd095SAlexander Motin 1335dcd9c10SGleb Smirnoff /* This structure is passed to NGM_NETFLOW_SETTEMPLATE */ 1345dcd9c10SGleb Smirnoff struct ng_netflow_settemplate { 1355dcd9c10SGleb Smirnoff uint16_t time; /* max time between announce */ 1365dcd9c10SGleb Smirnoff uint16_t packets; /* max packets between announce */ 1375dcd9c10SGleb Smirnoff }; 1385dcd9c10SGleb Smirnoff 1395dcd9c10SGleb Smirnoff /* This structure is passed to NGM_NETFLOW_SETMTU */ 1405dcd9c10SGleb Smirnoff struct ng_netflow_setmtu { 1415dcd9c10SGleb Smirnoff uint16_t mtu; /* MTU for packet */ 1425dcd9c10SGleb Smirnoff }; 1435dcd9c10SGleb Smirnoff 144ea7e1638SGleb Smirnoff /* This structure is used in NGM_NETFLOW_SHOW request/responce */ 145ea7e1638SGleb Smirnoff struct ngnf_show_header { 146ea7e1638SGleb Smirnoff u_char version; /* IPv4 or IPv6 */ 147ea7e1638SGleb Smirnoff uint32_t hash_id; /* current hash index */ 14871336d8cSGleb Smirnoff uint32_t list_id; /* current record number in hash */ 149ea7e1638SGleb Smirnoff uint32_t nentries; /* number of records in response */ 150ea7e1638SGleb Smirnoff }; 151ea7e1638SGleb Smirnoff 15210fcb07cSAlexander V. Chernikov /* This structure is used in NGM_NETFLOW_V9INFO message */ 15310fcb07cSAlexander V. Chernikov struct ng_netflow_v9info { 15410fcb07cSAlexander V. Chernikov uint16_t templ_packets; /* v9 template packets */ 15510fcb07cSAlexander V. Chernikov uint16_t templ_time; /* v9 template time */ 15610fcb07cSAlexander V. Chernikov uint16_t mtu; /* v9 MTU */ 15710fcb07cSAlexander V. Chernikov }; 15810fcb07cSAlexander V. Chernikov 159ea7e1638SGleb Smirnoff /* XXXGL 160ea7e1638SGleb Smirnoff * Somewhere flow_rec6 is casted to flow_rec, and flow6_entry_data is 161ea7e1638SGleb Smirnoff * casted to flow_entry_data. After casting, fle->r.fib is accessed. 162ea7e1638SGleb Smirnoff * So beginning of these structs up to fib should be kept common. 163ea7e1638SGleb Smirnoff */ 1645dcd9c10SGleb Smirnoff 165a752e82dSGleb Smirnoff /* This is unique data, which identifies flow */ 166a752e82dSGleb Smirnoff struct flow_rec { 16771336d8cSGleb Smirnoff uint16_t flow_type; 1685dcd9c10SGleb Smirnoff uint16_t fib; 169a752e82dSGleb Smirnoff struct in_addr r_src; 170a752e82dSGleb Smirnoff struct in_addr r_dst; 171a752e82dSGleb Smirnoff union { 172a752e82dSGleb Smirnoff struct { 173a752e82dSGleb Smirnoff uint16_t s_port; /* source TCP/UDP port */ 174a752e82dSGleb Smirnoff uint16_t d_port; /* destination TCP/UDP port */ 175a752e82dSGleb Smirnoff } dir; 176a752e82dSGleb Smirnoff uint32_t both; 177a752e82dSGleb Smirnoff } ports; 178a752e82dSGleb Smirnoff union { 179a752e82dSGleb Smirnoff struct { 180a752e82dSGleb Smirnoff u_char prot; /* IP protocol */ 181a752e82dSGleb Smirnoff u_char tos; /* IP TOS */ 182a752e82dSGleb Smirnoff uint16_t i_ifx; /* input interface index */ 183a752e82dSGleb Smirnoff } i; 184a752e82dSGleb Smirnoff uint32_t all; 185a752e82dSGleb Smirnoff } misc; 186a752e82dSGleb Smirnoff }; 187a752e82dSGleb Smirnoff 1885dcd9c10SGleb Smirnoff /* This is unique data, which identifies flow */ 1895dcd9c10SGleb Smirnoff struct flow6_rec { 19071336d8cSGleb Smirnoff uint16_t flow_type; 1915dcd9c10SGleb Smirnoff uint16_t fib; 1925dcd9c10SGleb Smirnoff union { 1935dcd9c10SGleb Smirnoff struct in_addr r_src; 1945dcd9c10SGleb Smirnoff struct in6_addr r_src6; 1955dcd9c10SGleb Smirnoff } src; 1965dcd9c10SGleb Smirnoff union { 1975dcd9c10SGleb Smirnoff struct in_addr r_dst; 1985dcd9c10SGleb Smirnoff struct in6_addr r_dst6; 1995dcd9c10SGleb Smirnoff } dst; 2005dcd9c10SGleb Smirnoff union { 2015dcd9c10SGleb Smirnoff struct { 2025dcd9c10SGleb Smirnoff uint16_t s_port; /* source TCP/UDP port */ 2035dcd9c10SGleb Smirnoff uint16_t d_port; /* destination TCP/UDP port */ 2045dcd9c10SGleb Smirnoff } dir; 2055dcd9c10SGleb Smirnoff uint32_t both; 2065dcd9c10SGleb Smirnoff } ports; 2075dcd9c10SGleb Smirnoff union { 2085dcd9c10SGleb Smirnoff struct { 2095dcd9c10SGleb Smirnoff u_char prot; /* IP protocol */ 2105dcd9c10SGleb Smirnoff u_char tos; /* IP TOS */ 2115dcd9c10SGleb Smirnoff uint16_t i_ifx; /* input interface index */ 2125dcd9c10SGleb Smirnoff } i; 2135dcd9c10SGleb Smirnoff uint32_t all; 2145dcd9c10SGleb Smirnoff } misc; 2155dcd9c10SGleb Smirnoff }; 2165dcd9c10SGleb Smirnoff 217a752e82dSGleb Smirnoff #define r_ip_p misc.i.prot 218a752e82dSGleb Smirnoff #define r_tos misc.i.tos 219a752e82dSGleb Smirnoff #define r_i_ifx misc.i.i_ifx 220a752e82dSGleb Smirnoff #define r_misc misc.all 221a752e82dSGleb Smirnoff #define r_ports ports.both 222a752e82dSGleb Smirnoff #define r_sport ports.dir.s_port 223a752e82dSGleb Smirnoff #define r_dport ports.dir.d_port 224a752e82dSGleb Smirnoff 225a752e82dSGleb Smirnoff /* A flow entry which accumulates statistics */ 226a752e82dSGleb Smirnoff struct flow_entry_data { 2275dcd9c10SGleb Smirnoff uint16_t version; /* Protocol version */ 228a752e82dSGleb Smirnoff struct flow_rec r; 229a752e82dSGleb Smirnoff struct in_addr next_hop; 230a752e82dSGleb Smirnoff uint16_t fle_o_ifx; /* output interface index */ 231a752e82dSGleb Smirnoff #define fle_i_ifx r.misc.i.i_ifx 232a752e82dSGleb Smirnoff uint8_t dst_mask; /* destination route mask bits */ 233a752e82dSGleb Smirnoff uint8_t src_mask; /* source route mask bits */ 234a752e82dSGleb Smirnoff u_long packets; 235a752e82dSGleb Smirnoff u_long bytes; 236a752e82dSGleb Smirnoff long first; /* uptime on first packet */ 237a752e82dSGleb Smirnoff long last; /* uptime on last packet */ 238a752e82dSGleb Smirnoff u_char tcp_flags; /* cumulative OR */ 239a752e82dSGleb Smirnoff }; 240a752e82dSGleb Smirnoff 2415dcd9c10SGleb Smirnoff struct flow6_entry_data { 2425dcd9c10SGleb Smirnoff uint16_t version; /* Protocol version */ 2435dcd9c10SGleb Smirnoff struct flow6_rec r; 2445dcd9c10SGleb Smirnoff union { 2455dcd9c10SGleb Smirnoff struct in_addr next_hop; 2465dcd9c10SGleb Smirnoff struct in6_addr next_hop6; 2475dcd9c10SGleb Smirnoff } n; 2485dcd9c10SGleb Smirnoff uint16_t fle_o_ifx; /* output interface index */ 2495dcd9c10SGleb Smirnoff #define fle_i_ifx r.misc.i.i_ifx 2505dcd9c10SGleb Smirnoff uint8_t dst_mask; /* destination route mask bits */ 2515dcd9c10SGleb Smirnoff uint8_t src_mask; /* source route mask bits */ 2525dcd9c10SGleb Smirnoff u_long packets; 2535dcd9c10SGleb Smirnoff u_long bytes; 2545dcd9c10SGleb Smirnoff long first; /* uptime on first packet */ 2555dcd9c10SGleb Smirnoff long last; /* uptime on last packet */ 2565dcd9c10SGleb Smirnoff u_char tcp_flags; /* cumulative OR */ 2575dcd9c10SGleb Smirnoff }; 2585dcd9c10SGleb Smirnoff 259a752e82dSGleb Smirnoff /* 260a752e82dSGleb Smirnoff * How many flow records we will transfer at once 261a752e82dSGleb Smirnoff * without overflowing socket receive buffer 262a752e82dSGleb Smirnoff */ 263a752e82dSGleb Smirnoff #define NREC_AT_ONCE 1000 264ea7e1638SGleb Smirnoff #define NREC6_AT_ONCE (NREC_AT_ONCE * sizeof(struct flow_entry_data) / \ 265ea7e1638SGleb Smirnoff sizeof(struct flow6_entry_data)) 266ea7e1638SGleb Smirnoff #define NGRESP_SIZE (sizeof(struct ngnf_show_header) + (NREC_AT_ONCE * \ 267a752e82dSGleb Smirnoff sizeof(struct flow_entry_data))) 268a752e82dSGleb Smirnoff #define SORCVBUF_SIZE (NGRESP_SIZE + 2 * sizeof(struct ng_mesg)) 269a752e82dSGleb Smirnoff 270a752e82dSGleb Smirnoff /* Everything below is for kernel */ 271a752e82dSGleb Smirnoff 272a752e82dSGleb Smirnoff #ifdef _KERNEL 273a752e82dSGleb Smirnoff 274a752e82dSGleb Smirnoff struct flow_entry { 275494e177aSGleb Smirnoff TAILQ_ENTRY(flow_entry) fle_hash; /* entries in hash slot */ 276ea7e1638SGleb Smirnoff struct flow_entry_data f; 277a752e82dSGleb Smirnoff }; 278a752e82dSGleb Smirnoff 2795dcd9c10SGleb Smirnoff struct flow6_entry { 280ea7e1638SGleb Smirnoff TAILQ_ENTRY(flow_entry) fle_hash; /* entries in hash slot */ 2815dcd9c10SGleb Smirnoff struct flow6_entry_data f; 2825dcd9c10SGleb Smirnoff }; 283a752e82dSGleb Smirnoff /* Parsing declarations */ 284a752e82dSGleb Smirnoff 285a752e82dSGleb Smirnoff /* Parse the info structure */ 286a752e82dSGleb Smirnoff #define NG_NETFLOW_INFO_TYPE { \ 2875dcd9c10SGleb Smirnoff { "IPv4 bytes", &ng_parse_uint64_type },\ 2885dcd9c10SGleb Smirnoff { "IPv4 packets", &ng_parse_uint32_type },\ 2895dcd9c10SGleb Smirnoff { "IPv6 bytes", &ng_parse_uint64_type },\ 2905dcd9c10SGleb Smirnoff { "IPv6 packets", &ng_parse_uint32_type },\ 2915dcd9c10SGleb Smirnoff { "IPv4 skipped bytes", &ng_parse_uint64_type },\ 2925dcd9c10SGleb Smirnoff { "IPv4 skipped packets", &ng_parse_uint32_type },\ 2935dcd9c10SGleb Smirnoff { "IPv6 skipped bytes", &ng_parse_uint64_type },\ 2945dcd9c10SGleb Smirnoff { "IPv6 skipped packets", &ng_parse_uint32_type },\ 2955dcd9c10SGleb Smirnoff { "IPv4 records used", &ng_parse_uint32_type },\ 2965dcd9c10SGleb Smirnoff { "IPv6 records used", &ng_parse_uint32_type },\ 297494e177aSGleb Smirnoff { "Failed allocations", &ng_parse_uint32_type },\ 2985dcd9c10SGleb Smirnoff { "V5 failed exports", &ng_parse_uint32_type },\ 2995dcd9c10SGleb Smirnoff { "V9 failed exports", &ng_parse_uint32_type },\ 3005dcd9c10SGleb Smirnoff { "mbuf reallocations", &ng_parse_uint32_type },\ 3015dcd9c10SGleb Smirnoff { "fibs allocated", &ng_parse_uint32_type },\ 302494e177aSGleb Smirnoff { "Active expiries", &ng_parse_uint32_type },\ 303494e177aSGleb Smirnoff { "Inactive expiries", &ng_parse_uint32_type },\ 304a752e82dSGleb Smirnoff { "Inactive timeout", &ng_parse_uint32_type },\ 305a752e82dSGleb Smirnoff { "Active timeout", &ng_parse_uint32_type },\ 306a752e82dSGleb Smirnoff { NULL } \ 307a752e82dSGleb Smirnoff } 308a752e82dSGleb Smirnoff 309a752e82dSGleb Smirnoff /* Parse the ifinfo structure */ 310a752e82dSGleb Smirnoff #define NG_NETFLOW_IFINFO_TYPE { \ 311a752e82dSGleb Smirnoff { "packets", &ng_parse_uint32_type },\ 312a752e82dSGleb Smirnoff { "data link type", &ng_parse_uint8_type }, \ 313a752e82dSGleb Smirnoff { "index", &ng_parse_uint16_type },\ 3141a6dd095SAlexander Motin { "conf", &ng_parse_uint32_type },\ 315a752e82dSGleb Smirnoff { NULL } \ 316a752e82dSGleb Smirnoff } 317a752e82dSGleb Smirnoff 318a752e82dSGleb Smirnoff /* Parse the setdlt structure */ 319a752e82dSGleb Smirnoff #define NG_NETFLOW_SETDLT_TYPE { \ 320a752e82dSGleb Smirnoff { "iface", &ng_parse_uint16_type }, \ 321a752e82dSGleb Smirnoff { "dlt", &ng_parse_uint8_type }, \ 322a752e82dSGleb Smirnoff { NULL } \ 323a752e82dSGleb Smirnoff } 324a752e82dSGleb Smirnoff 325a752e82dSGleb Smirnoff /* Parse the setifindex structure */ 326a752e82dSGleb Smirnoff #define NG_NETFLOW_SETIFINDEX_TYPE { \ 327a752e82dSGleb Smirnoff { "iface", &ng_parse_uint16_type }, \ 328a752e82dSGleb Smirnoff { "index", &ng_parse_uint16_type }, \ 329a752e82dSGleb Smirnoff { NULL } \ 330a752e82dSGleb Smirnoff } 331a752e82dSGleb Smirnoff 332a752e82dSGleb Smirnoff /* Parse the settimeouts structure */ 333a752e82dSGleb Smirnoff #define NG_NETFLOW_SETTIMEOUTS_TYPE { \ 334a752e82dSGleb Smirnoff { "inactive", &ng_parse_uint32_type }, \ 335a752e82dSGleb Smirnoff { "active", &ng_parse_uint32_type }, \ 336a752e82dSGleb Smirnoff { NULL } \ 337a752e82dSGleb Smirnoff } 338a752e82dSGleb Smirnoff 3391a6dd095SAlexander Motin /* Parse the setifindex structure */ 3401a6dd095SAlexander Motin #define NG_NETFLOW_SETCONFIG_TYPE { \ 3411a6dd095SAlexander Motin { "iface", &ng_parse_uint16_type }, \ 3421a6dd095SAlexander Motin { "conf", &ng_parse_uint32_type }, \ 3431a6dd095SAlexander Motin { NULL } \ 3441a6dd095SAlexander Motin } 3451a6dd095SAlexander Motin 3465dcd9c10SGleb Smirnoff /* Parse the settemplate structure */ 3475dcd9c10SGleb Smirnoff #define NG_NETFLOW_SETTEMPLATE_TYPE { \ 3485dcd9c10SGleb Smirnoff { "time", &ng_parse_uint16_type }, \ 3495dcd9c10SGleb Smirnoff { "packets", &ng_parse_uint16_type }, \ 3505dcd9c10SGleb Smirnoff { NULL } \ 3515dcd9c10SGleb Smirnoff } 3525dcd9c10SGleb Smirnoff 3535dcd9c10SGleb Smirnoff /* Parse the setmtu structure */ 3545dcd9c10SGleb Smirnoff #define NG_NETFLOW_SETMTU_TYPE { \ 3555dcd9c10SGleb Smirnoff { "mtu", &ng_parse_uint16_type }, \ 3565dcd9c10SGleb Smirnoff { NULL } \ 3575dcd9c10SGleb Smirnoff } 3585dcd9c10SGleb Smirnoff 35910fcb07cSAlexander V. Chernikov /* Parse the v9info structure */ 36010fcb07cSAlexander V. Chernikov #define NG_NETFLOW_V9INFO_TYPE { \ 36110fcb07cSAlexander V. Chernikov { "v9 template packets", &ng_parse_uint16_type },\ 36210fcb07cSAlexander V. Chernikov { "v9 template time", &ng_parse_uint16_type },\ 36310fcb07cSAlexander V. Chernikov { "v9 MTU", &ng_parse_uint16_type },\ 36410fcb07cSAlexander V. Chernikov { NULL } \ 36510fcb07cSAlexander V. Chernikov } 36610fcb07cSAlexander V. Chernikov 367a752e82dSGleb Smirnoff /* Private hook data */ 368a752e82dSGleb Smirnoff struct ng_netflow_iface { 369a752e82dSGleb Smirnoff hook_p hook; /* NULL when disconnected */ 3709818b82fSGleb Smirnoff hook_p out; /* NULL when no bypass hook */ 371a752e82dSGleb Smirnoff struct ng_netflow_ifinfo info; 372a752e82dSGleb Smirnoff }; 373a752e82dSGleb Smirnoff 374a752e82dSGleb Smirnoff typedef struct ng_netflow_iface *iface_p; 375a752e82dSGleb Smirnoff typedef struct ng_netflow_ifinfo *ifinfo_p; 376a752e82dSGleb Smirnoff 3775dcd9c10SGleb Smirnoff struct netflow_export_item { 3785dcd9c10SGleb Smirnoff item_p item; 3795dcd9c10SGleb Smirnoff item_p item9; 3805dcd9c10SGleb Smirnoff struct netflow_v9_packet_opt *item9_opt; 3815dcd9c10SGleb Smirnoff }; 3825dcd9c10SGleb Smirnoff 3835dcd9c10SGleb Smirnoff /* Structure contatining fib-specific data */ 3845dcd9c10SGleb Smirnoff struct fib_export { 3855dcd9c10SGleb Smirnoff uint32_t fib; /* kernel fib id */ 38671336d8cSGleb Smirnoff 38771336d8cSGleb Smirnoff /* Various data used for export */ 38871336d8cSGleb Smirnoff struct netflow_export_item exp; 38971336d8cSGleb Smirnoff 3905dcd9c10SGleb Smirnoff struct mtx export_mtx; /* exp.item mutex */ 3915dcd9c10SGleb Smirnoff struct mtx export9_mtx; /* exp.item9 mutex */ 3925dcd9c10SGleb Smirnoff uint32_t flow_seq; /* current V5 flow sequence */ 3935dcd9c10SGleb Smirnoff uint32_t flow9_seq; /* current V9 flow sequence */ 3945dcd9c10SGleb Smirnoff uint32_t domain_id; /* Observartion domain id */ 3955dcd9c10SGleb Smirnoff /* Netflow V9 counters */ 3965dcd9c10SGleb Smirnoff uint32_t templ_last_ts; /* unixtime of last template announce */ 39771336d8cSGleb Smirnoff uint32_t templ_last_pkt; /* packet count on last announce */ 3985dcd9c10SGleb Smirnoff uint32_t sent_packets; /* packets sent by exporter; */ 39971336d8cSGleb Smirnoff 40071336d8cSGleb Smirnoff /* Current packet specific options */ 40171336d8cSGleb Smirnoff struct netflow_v9_packet_opt *export9_opt; 4025dcd9c10SGleb Smirnoff }; 4035dcd9c10SGleb Smirnoff 4045dcd9c10SGleb Smirnoff typedef struct fib_export *fib_export_p; 4055dcd9c10SGleb Smirnoff 406a752e82dSGleb Smirnoff /* Structure describing our flow engine */ 407a752e82dSGleb Smirnoff struct netflow { 408a752e82dSGleb Smirnoff node_p node; /* link to the node itself */ 409a752e82dSGleb Smirnoff hook_p export; /* export data goes there */ 4105dcd9c10SGleb Smirnoff hook_p export9; /* Netflow V9 export data goes there */ 411a752e82dSGleb Smirnoff struct ng_netflow_info info; 412494e177aSGleb Smirnoff struct callout exp_callout; /* expiry periodic job */ 413a752e82dSGleb Smirnoff 414494e177aSGleb Smirnoff /* 415494e177aSGleb Smirnoff * Flow entries are allocated in uma(9) zone zone. They are 416494e177aSGleb Smirnoff * indexed by hash hash. Each hash element consist of tailqueue 417494e177aSGleb Smirnoff * head and mutex to protect this element. 418494e177aSGleb Smirnoff */ 41951856405SGleb Smirnoff #define CACHESIZE (65536*16) 420a752e82dSGleb Smirnoff #define CACHELOWAT (CACHESIZE * 3/4) 421a752e82dSGleb Smirnoff #define CACHEHIGHWAT (CACHESIZE * 9/10) 422494e177aSGleb Smirnoff uma_zone_t zone; 423a752e82dSGleb Smirnoff struct flow_hash_entry *hash; 424a752e82dSGleb Smirnoff 425494e177aSGleb Smirnoff /* 426494e177aSGleb Smirnoff * NetFlow data export 427494e177aSGleb Smirnoff * 428494e177aSGleb Smirnoff * export_item is a data item, it has an mbuf with cluster 429494e177aSGleb Smirnoff * attached to it. A thread detaches export_item from priv 430494e177aSGleb Smirnoff * and works with it. If the export is full it is sent, and 431494e177aSGleb Smirnoff * a new one is allocated. Before exiting thread re-attaches 432494e177aSGleb Smirnoff * its current item back to priv. If there is item already, 433494e177aSGleb Smirnoff * current incomplete datagram is sent. 434494e177aSGleb Smirnoff * export_mtx is used for attaching/detaching. 435494e177aSGleb Smirnoff */ 4365dcd9c10SGleb Smirnoff 4375dcd9c10SGleb Smirnoff /* IPv6 support */ 4385dcd9c10SGleb Smirnoff #ifdef INET6 4395dcd9c10SGleb Smirnoff uma_zone_t zone6; 440ea7e1638SGleb Smirnoff struct flow_hash_entry *hash6; 4415dcd9c10SGleb Smirnoff #endif 44271336d8cSGleb Smirnoff 4435dcd9c10SGleb Smirnoff /* Multiple FIB support */ 44471336d8cSGleb Smirnoff fib_export_p *fib_data; /* vector to per-fib data */ 44514797255SAlexander V. Chernikov uint16_t maxfibs; /* number of allocated fibs */ 4465dcd9c10SGleb Smirnoff 44710fcb07cSAlexander V. Chernikov /* Netflow v9 configuration options */ 4485dcd9c10SGleb Smirnoff /* 4495dcd9c10SGleb Smirnoff * RFC 3954 clause 7.3 4505dcd9c10SGleb Smirnoff * "Both options MUST be configurable by the user on the Exporter." 4515dcd9c10SGleb Smirnoff */ 4525dcd9c10SGleb Smirnoff uint16_t templ_time; /* time between sending templates */ 4535dcd9c10SGleb Smirnoff uint16_t templ_packets; /* packets between sending templates */ 4545dcd9c10SGleb Smirnoff #define NETFLOW_V9_MAX_FLOWSETS 2 4555dcd9c10SGleb Smirnoff u_char flowsets_count; /* current flowsets used */ 45671336d8cSGleb Smirnoff 45771336d8cSGleb Smirnoff /* Count of records in each flowset */ 45871336d8cSGleb Smirnoff u_char flowset_records[NETFLOW_V9_MAX_FLOWSETS - 1]; 4595dcd9c10SGleb Smirnoff uint16_t mtu; /* export interface MTU */ 46071336d8cSGleb Smirnoff 46171336d8cSGleb Smirnoff /* Pointers to pre-compiled flowsets */ 46271336d8cSGleb Smirnoff struct netflow_v9_flowset_header 46371336d8cSGleb Smirnoff *v9_flowsets[NETFLOW_V9_MAX_FLOWSETS - 1]; 4643bbbf02dSGleb Smirnoff 4653bbbf02dSGleb Smirnoff struct ng_netflow_iface ifaces[NG_NETFLOW_MAXIFACES]; 466a752e82dSGleb Smirnoff }; 467a752e82dSGleb Smirnoff 468a752e82dSGleb Smirnoff typedef struct netflow *priv_p; 469a752e82dSGleb Smirnoff 470a752e82dSGleb Smirnoff /* Header of a small list in hash cell */ 471a752e82dSGleb Smirnoff struct flow_hash_entry { 472494e177aSGleb Smirnoff struct mtx mtx; 473494e177aSGleb Smirnoff TAILQ_HEAD(fhead, flow_entry) head; 474a752e82dSGleb Smirnoff }; 475a752e82dSGleb Smirnoff 476a752e82dSGleb Smirnoff #define ERROUT(x) { error = (x); goto done; } 477a752e82dSGleb Smirnoff 4781a6dd095SAlexander Motin #define MTAG_NETFLOW 1221656444 4791a6dd095SAlexander Motin #define MTAG_NETFLOW_CALLED 0 4801a6dd095SAlexander Motin 4815dcd9c10SGleb Smirnoff #define m_pktlen(m) ((m)->m_pkthdr.len) 4825dcd9c10SGleb Smirnoff #define IP6VERSION 6 4835dcd9c10SGleb Smirnoff 4845dcd9c10SGleb Smirnoff #define priv_to_fib(priv, fib) (priv)->fib_data[(fib)] 4855dcd9c10SGleb Smirnoff 4865dcd9c10SGleb Smirnoff /* 4875dcd9c10SGleb Smirnoff * Cisco uses milliseconds for uptime. Bad idea, since it overflows 4885dcd9c10SGleb Smirnoff * every 48+ days. But we will do same to keep compatibility. This macro 4895dcd9c10SGleb Smirnoff * does overflowable multiplication to 1000. 4905dcd9c10SGleb Smirnoff */ 4915dcd9c10SGleb Smirnoff #define MILLIUPTIME(t) (((t) << 9) + /* 512 */ \ 4925dcd9c10SGleb Smirnoff ((t) << 8) + /* 256 */ \ 4935dcd9c10SGleb Smirnoff ((t) << 7) + /* 128 */ \ 4945dcd9c10SGleb Smirnoff ((t) << 6) + /* 64 */ \ 4955dcd9c10SGleb Smirnoff ((t) << 5) + /* 32 */ \ 4965dcd9c10SGleb Smirnoff ((t) << 3)) /* 8 */ 4975dcd9c10SGleb Smirnoff 498a752e82dSGleb Smirnoff /* Prototypes for netflow.c */ 499b6770143SGleb Smirnoff void ng_netflow_cache_init(priv_p); 500a752e82dSGleb Smirnoff void ng_netflow_cache_flush(priv_p); 5015dcd9c10SGleb Smirnoff int ng_netflow_fib_init(priv_p priv, int fib); 502a752e82dSGleb Smirnoff void ng_netflow_copyinfo(priv_p, struct ng_netflow_info *); 50310fcb07cSAlexander V. Chernikov void ng_netflow_copyv9info(priv_p, struct ng_netflow_v9info *); 504a752e82dSGleb Smirnoff timeout_t ng_netflow_expire; 50571336d8cSGleb Smirnoff int ng_netflow_flow_add(priv_p, fib_export_p, struct ip *, caddr_t, 50671336d8cSGleb Smirnoff uint8_t, uint8_t, unsigned int); 50771336d8cSGleb Smirnoff int ng_netflow_flow6_add(priv_p, fib_export_p, struct ip6_hdr *, caddr_t, 50871336d8cSGleb Smirnoff uint8_t, uint8_t, unsigned int); 50971336d8cSGleb Smirnoff int ng_netflow_flow_show(priv_p, struct ngnf_show_header *req, 51071336d8cSGleb Smirnoff struct ngnf_show_header *resp); 5115dcd9c10SGleb Smirnoff void ng_netflow_v9_cache_init(priv_p); 5125dcd9c10SGleb Smirnoff void ng_netflow_v9_cache_flush(priv_p); 51371336d8cSGleb Smirnoff item_p get_export9_dgram(priv_p, fib_export_p, 51471336d8cSGleb Smirnoff struct netflow_v9_packet_opt **); 5155dcd9c10SGleb Smirnoff void return_export9_dgram(priv_p, fib_export_p, item_p, 5165dcd9c10SGleb Smirnoff struct netflow_v9_packet_opt *, int); 51771336d8cSGleb Smirnoff int export9_add(item_p, struct netflow_v9_packet_opt *, 51871336d8cSGleb Smirnoff struct flow_entry *); 51971336d8cSGleb Smirnoff int export9_send(priv_p, fib_export_p, item_p, 52071336d8cSGleb Smirnoff struct netflow_v9_packet_opt *, int); 5215dcd9c10SGleb Smirnoff 522a752e82dSGleb Smirnoff #endif /* _KERNEL */ 523a752e82dSGleb Smirnoff #endif /* _NG_NETFLOW_H_ */ 524