/* Modified for gcc/os2 by bird 2003 * * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#)ip_var.h 8.2 (Berkeley) 1/9/95 * $FreeBSD: src/sys/netinet/ip_var.h,v 1.50.2.12 2003/02/27 04:50:02 silby Exp $ */ #ifndef _NETINET_IP_VAR_H_ #define _NETINET_IP_VAR_H_ #ifndef TCPV40HDRS #if 0 /* not os/2 - no such header */ #include #endif /* * Overlay for ip header used by other protocols (tcp, udp). */ #pragma pack(1) /* OS/2 paranoia */ struct ipovly { #if 0 /* different on OS/2 */ u_char ih_x1[9]; /* (unused) */ #else caddr_t ih_next, ih_prev; /* for protocol sequence q's */ u_char ih_x1; /* (unused) */ #endif u_char ih_pr; /* protocol */ u_short ih_len; /* protocol length */ struct in_addr ih_src; /* source internet address */ struct in_addr ih_dst; /* destination internet address */ }; #pragma pack() /* * Ip reassembly queue structure. Each fragment * being reassembled is attached to one of these structures. * They are timed out after ipq_ttl drops to 0, and may also * be reclaimed if memory becomes tight. */ #pragma pack(1) /* OS/2 paranoia */ struct ipq { struct ipq *next,*prev; /* to other reass headers */ u_char ipq_ttl; /* time for reass q to live */ u_char ipq_p; /* protocol of this fragment */ u_short ipq_id; /* sequence id for reassembly */ #if 0 /* Different on OS/2 */ struct mbuf *ipq_frags; /* to ip headers of fragments */ struct in_addr ipq_src,ipq_dst; u_char ipq_nfrags; /* # frags in this packet */ #ifdef IPDIVERT u_int32_t ipq_div_info; /* ipfw divert port & flags */ u_int16_t ipq_div_cookie; /* ipfw divert cookie */ #endif #else /* OS2: */ struct ipasfrag *ipq_next,*ipq_prev; /* to ip headers of fragments */ struct in_addr ipq_src,ipq_dst; #endif }; #pragma pack() /* * Structure stored in mbuf in inpcb.ip_options * and passed to ip_output when ip options are in use. * The actual length of the options (including ipopt_dst) * is in m_len. */ #define MAX_IPOPTLEN 40 #if 0 /* different/not on OS/2 */ struct ipoption { struct in_addr ipopt_dst; /* first-hop dst if source routed */ char ipopt_list[MAX_IPOPTLEN]; /* options proper */ }; /* * Structure attached to inpcb.ip_moptions and * passed to ip_output when IP multicast options are in use. */ struct ip_moptions { struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */ struct in_addr imo_multicast_addr; /* ifindex/addr on MULTICAST_IF */ u_char imo_multicast_ttl; /* TTL for outgoing multicasts */ u_char imo_multicast_loop; /* 1 => hear sends if a member */ u_short imo_num_memberships; /* no. memberships this socket */ struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS]; u_long imo_multicast_vif; /* vif num outgoing multicasts */ }; #else /* OS2: */ /* * Ip header, when holding a fragment. * * Note: ipf_next must be at same offset as ipq_next above */ #pragma pack(1) struct ipasfrag { #if BYTE_ORDER == LITTLE_ENDIAN unsigned ip_hl:4, ip_v:4; #endif #if BYTE_ORDER == BIG_ENDIAN unsigned ip_v:4, ip_hl:4; #endif u_char ipf_mff; /* XXX overlays ip_tos: use low bit * to avoid destroying tos; * copied from (ip_off&IP_MF) */ u_short ip_len; /* should be ushort rather than short */ u_short ip_id; short ip_off; u_char ip_ttl; u_char ip_p; u_short ip_sum; struct ipasfrag *ipf_next; /* next fragment */ struct ipasfrag *ipf_prev; /* previous fragment */ }; #pragma pack() #endif /* OS2 */ struct ipstat { u_long ips_total; /* total packets received */ u_long ips_badsum; /* checksum bad */ u_long ips_tooshort; /* packet too short */ u_long ips_toosmall; /* not enough data */ u_long ips_badhlen; /* ip header length < data size */ u_long ips_badlen; /* ip length < ip header length */ u_long ips_fragments; /* fragments received */ u_long ips_fragdropped; /* frags dropped (dups, out of space) */ u_long ips_fragtimeout; /* fragments timed out */ u_long ips_forward; /* packets forwarded */ #if 0 /* not on OS/2 */ u_long ips_fastforward; /* packets fast forwarded */ #endif u_long ips_cantforward; /* packets rcvd for unreachable dest */ u_long ips_redirectsent; /* packets forwarded on same net */ u_long ips_noproto; /* unknown or unsupported protocol */ u_long ips_delivered; /* datagrams delivered to upper level*/ u_long ips_localout; /* total ip packets generated here */ u_long ips_odropped; /* lost packets due to nobufs, etc. */ u_long ips_reassembled; /* total packets reassembled ok */ u_long ips_fragmented; /* datagrams successfully fragmented */ u_long ips_ofragments; /* output fragments created */ u_long ips_cantfrag; /* don't fragment flag was set, etc. */ u_long ips_badoptions; /* error in option processing */ u_long ips_noroute; /* packets discarded due to no route */ u_long ips_badvers; /* ip version != 4 */ u_long ips_rawout; /* total raw ip packets generated */ #if 0 /* not on OS/2 */ u_long ips_toolong; /* ip length > max ip packet size */ u_long ips_notmember; /* multicasts for unregistered grps */ u_long ips_nogif; /* no match gif found */ u_long ips_badaddr; /* invalid address on header */ #endif }; #if 0 /* not on OS/2 */ #ifdef _KERNEL /* flags passed to ip_output as last parameter */ #define IP_FORWARDING 0x1 /* most of ip header exists */ #define IP_RAWOUTPUT 0x2 /* raw ip header exists */ #define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */ #define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ struct ip; struct inpcb; struct route; struct sockopt; extern struct ipstat ipstat; #ifndef RANDOM_IP_ID extern u_short ip_id; /* ip packet ctr, for ids */ #endif extern int ip_defttl; /* default IP ttl */ extern int ipforwarding; /* ip forwarding */ extern struct route ipforward_rt; /* ip forwarding cached route */ extern u_char ip_protox[]; extern struct socket *ip_rsvpd; /* reservation protocol daemon */ extern struct socket *ip_mrouter; /* multicast routing daemon */ extern int (*legal_vif_num)(int); extern u_long (*ip_mcast_src)(int); extern int rsvp_on; extern struct pr_usrreqs rip_usrreqs; int ip_ctloutput(struct socket *, struct sockopt *sopt); void ip_drain(void); void ip_freemoptions(struct ip_moptions *); void ip_init(void); extern int (*ip_mforward)(struct ip *, struct ifnet *, struct mbuf *, struct ip_moptions *); int ip_output(struct mbuf *, struct mbuf *, struct route *, int, struct ip_moptions *, struct inpcb *); struct in_ifaddr * ip_rtaddr(struct in_addr, struct route *); void ip_savecontrol(struct inpcb *, struct mbuf **, struct ip *, struct mbuf *); void ip_slowtimo(void); struct mbuf * ip_srcroute(void); void ip_stripoptions(struct mbuf *, struct mbuf *); #ifdef RANDOM_IP_ID u_int16_t ip_randomid(void); #endif int rip_ctloutput(struct socket *, struct sockopt *); void rip_ctlinput(int, struct sockaddr *, void *); void rip_init(void); void rip_input(struct mbuf *, int, int); int rip_output(struct mbuf *, struct socket *, u_long); extern void (*ipip_input)(struct mbuf *, int, int); void rsvp_input(struct mbuf *, int, int); int ip_rsvp_init(struct socket *); int ip_rsvp_done(void); extern int (*ip_rsvp_vif)(struct socket *, struct sockopt *); extern void (*ip_rsvp_force_done)(struct socket *); extern void (*rsvp_input_p)(struct mbuf *m, int off, int proto); #ifdef IPDIVERT void div_init(void); void div_input(struct mbuf *, int, int); void divert_packet(struct mbuf *m, int incoming, int port, int rule); extern struct pr_usrreqs div_usrreqs; #endif void in_delayed_cksum(struct mbuf *m); #endif /* _KERNEL */ #else /*OS2: */ /* * Names for IP sysctl objects */ #define IPCTL_FORWARDING 1 /* act as router */ #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ #define IPCTL_INETCFG 40 /* Generic IP Inetcfg switching */ #define IPCTL_INETVER 41 /* sysctl: AFINET Version */ #define IPCTL_FORWARD 42 /* sysctl:IP Forwarding */ #define IPCTL_FIREWALL 43 /* sysctl:FIREWALL flag */ #define IPCTL_ARPTKILLC 44 /* sysctl:ARP cache completed entry TO */ #define IPCTL_ARPTKILLI 45 /* sysctl:ARP cache incomplete entry TO */ #define FRAGCTL_TTL 46 /* sysctl:Fragments TTL */ #define IPCTL_SYNATTACK 47 /* sysctl:SYN Attack flg ON/OFF */ #define IPCTL_MULTIDEFROUTES 48 /* sysctl:Multiple def routes. lynx stuff */ #define IPCTL_NAMES { \ { 0, 0 }, \ { "forwarding", CTLTYPE_INT }, \ { "redirect", CTLTYPE_INT }, \ { "mtu", CTLTYPE_INT }, \ { "multi-default-routes", CTLTYPE_INT }, \ { "inetver", CTLTYPE_INETVER }, \ { "inetcfg", CTLTYPE_INETCFG }, \ } #endif /* OS2 (else) */ #endif /* !TCPV40HDRS */ #endif /* !_NETINET_IP_VAR_H_ */