diff options
Diffstat (limited to 'freebsd/sys/netinet6/ip_fw_nat64.h')
| -rw-r--r-- | freebsd/sys/netinet6/ip_fw_nat64.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/freebsd/sys/netinet6/ip_fw_nat64.h b/freebsd/sys/netinet6/ip_fw_nat64.h new file mode 100644 index 00000000..a5c38b2a --- /dev/null +++ b/freebsd/sys/netinet6/ip_fw_nat64.h @@ -0,0 +1,154 @@ +/*- + * 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_ */ + |