Differential D6434 Diff 19253 head/sys/netinet6/ip_fw_nat64.h

Changeset View

Standalone View

head/sys/netinet6/ip_fw_nat64.h

Property	Old Value	New Value
svn:eol-style	null	native \ No newline at end of property
svn:keywords	null	FreeBSD=%H \ No newline at end of property
svn:mime-type	null	text/plain \ No newline at end of property

				/*-
				* Copyright (c) 2015 Yandex LLC
				* Copyright (c) 2015 Alexander V. Chernikov <melifaro@FreeBSD.org>
				* Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org>
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				*
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
				* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
				* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
				* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
				* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
				* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
				* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
				* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
				* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
				* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
				*
				* $FreeBSD$
				*/

				#ifndef _NETINET6_IP_FW_NAT64_H_
				#define _NETINET6_IP_FW_NAT64_H_

				struct ipfw_nat64stl_stats {
				uint64_t opcnt64; /* 6to4 of packets translated */
				uint64_t opcnt46; /* 4to6 of packets translated */
				uint64_t ofrags; /* number of fragments generated */
				uint64_t ifrags; /* number of fragments received */
				uint64_t oerrors; /* number of output errors */
				uint64_t noroute4;
				uint64_t noroute6;
				uint64_t noproto; /* Protocol not supported */
				uint64_t nomem; /* mbuf allocation filed */
				uint64_t dropped; /* dropped due to some errors */
				};

				struct ipfw_nat64lsn_stats {
				uint64_t opcnt64; /* 6to4 of packets translated */
				uint64_t opcnt46; /* 4to6 of packets translated */
				uint64_t ofrags; /* number of fragments generated */
				uint64_t ifrags; /* number of fragments received */
				uint64_t oerrors; /* number of output errors */
				uint64_t noroute4;
				uint64_t noroute6;
				uint64_t noproto; /* Protocol not supported */
				uint64_t nomem; /* mbuf allocation filed */
				uint64_t dropped; /* dropped due to some errors */

				uint64_t nomatch4; /* No addr/port match */
				uint64_t jcalls; /* Number of job handler calls */
				uint64_t jrequests; /* Number of job requests */
				uint64_t jhostsreq; /* Number of job host requests */
				uint64_t jportreq; /* Number of portgroup requests */
				uint64_t jhostfails; /* Number of failed host allocs */
				uint64_t jportfails; /* Number of failed portgroup allocs */
				uint64_t jreinjected; /* Number of packets reinjected to q */
				uint64_t jmaxlen; /* Max queue length reached */
				uint64_t jnomem; /* No memory to alloc queue item */

				uint64_t screated; /* Number of states created */
				uint64_t sdeleted; /* Number of states deleted */
				uint64_t spgcreated; /* Number of portgroups created */
				uint64_t spgdeleted; /* Number of portgroups deleted */
				uint64_t hostcount; /* Number of hosts */
				uint64_t tcpchunks; /* Number of TCP chunks */
				uint64_t udpchunks; /* Number of UDP chunks */
				uint64_t icmpchunks; /* Number of ICMP chunks */

				uint64_t _reserved[4];
				};

				#define NAT64_LOG 0x0001 /* Enable logging via BPF */

				typedef struct _ipfw_nat64stl_cfg {
				char name[64]; /* NAT name */
				ipfw_obj_ntlv ntlv6; /* object name tlv */
				ipfw_obj_ntlv ntlv4; /* object name tlv */
				struct in6_addr prefix6; /* NAT64 prefix */
				uint8_t plen6; /* Prefix length */
				uint8_t set; /* Named instance set [0..31] */
				uint8_t spare[2];
				uint32_t flags;
				} ipfw_nat64stl_cfg;

				/*
				* NAT64LSN default configuration values
				*/
				#define NAT64LSN_MAX_PORTS 2048 /* Max number of ports per host */
				#define NAT64LSN_JMAXLEN 2048 /* Max outstanding requests. */
				#define NAT64LSN_TCP_SYN_AGE 10 /* State's TTL after SYN received. */
				#define NAT64LSN_TCP_EST_AGE (2 * 3600) /* TTL for established connection */
				#define NAT64LSN_TCP_FIN_AGE 180 /* State's TTL after FIN/RST received */
				#define NAT64LSN_UDP_AGE 120 /* TTL for UDP states */
				#define NAT64LSN_ICMP_AGE 60 /* TTL for ICMP states */
				#define NAT64LSN_HOST_AGE 3600 /* TTL for stale host entry */
				#define NAT64LSN_PG_AGE 900 /* TTL for stale ports groups */

				typedef struct _ipfw_nat64lsn_cfg {
				char name[64]; /* NAT name */
				uint32_t flags;
				uint32_t max_ports; /* Max ports per client */
				uint32_t agg_prefix_len; /* Prefix length to count */
				uint32_t agg_prefix_max; /* Max hosts per agg prefix */
				struct in_addr prefix4;
				uint16_t plen4; /* Prefix length */
				uint16_t plen6; /* Prefix length */
				struct in6_addr prefix6; /* NAT64 prefix */
				uint32_t jmaxlen; /* Max jobqueue length */
				uint16_t min_port; /* Min port group # to use */
				uint16_t max_port; /* Max port group # to use */
				uint16_t nh_delete_delay;/* Stale host delete delay */
				uint16_t pg_delete_delay;/* Stale portgroup delete delay */
				uint16_t st_syn_ttl; /* TCP syn expire */
				uint16_t st_close_ttl; /* TCP fin expire */
				uint16_t st_estab_ttl; /* TCP established expire */
				uint16_t st_udp_ttl; /* UDP expire */
				uint16_t st_icmp_ttl; /* ICMP expire */
				uint8_t set; /* Named instance set [0..31] */
				uint8_t spare;
				} ipfw_nat64lsn_cfg;

				typedef struct _ipfw_nat64lsn_state {
				struct in_addr daddr; /* Remote IPv4 address */
				uint16_t dport; /* Remote destination port */
				uint16_t aport; /* Local alias port */
				uint16_t sport; /* Source port */
				uint8_t flags; /* State flags */
				uint8_t spare[3];
				uint16_t idle; /* Last used time */
				} ipfw_nat64lsn_state;

				typedef struct _ipfw_nat64lsn_stg {
				uint64_t next_idx; /* next state index */
				struct in_addr alias4; /* IPv4 alias address */
				uint8_t proto; /* protocol */
				uint8_t flags;
				uint16_t spare;
				struct in6_addr host6; /* Bound IPv6 host */
				uint32_t count; /* Number of states */
				uint32_t spare2;
				} ipfw_nat64lsn_stg;

				#endif /* _NETINET6_IP_FW_NAT64_H_ */