diff options
Diffstat (limited to 'usr.sbin/ipsend/common/ip_var.h')
| -rw-r--r-- | usr.sbin/ipsend/common/ip_var.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/usr.sbin/ipsend/common/ip_var.h b/usr.sbin/ipsend/common/ip_var.h new file mode 100644 index 00000000000..92eb38a0bef --- /dev/null +++ b/usr.sbin/ipsend/common/ip_var.h @@ -0,0 +1,123 @@ +/* @(#)ip_var.h 1.11 88/08/19 SMI; from UCB 7.1 6/5/86 */ + +/* + * Copyright (c) 1982, 1986 Regents of the University of California. + * All rights reserved. The Berkeley software License Agreement + * specifies the terms and conditions for redistribution. + */ + +/* + * Overlay for ip header used by other protocols (tcp, udp). + */ + +#ifndef _netinet_ip_var_h +#define _netinet_ip_var_h + +struct ipovly { + caddr_t ih_next, ih_prev; /* for protocol sequence q's */ + u_char ih_x1; /* (unused) */ + u_char ih_pr; /* protocol */ + short ih_len; /* protocol length */ + struct in_addr ih_src; /* source internet address */ + struct in_addr ih_dst; /* destination internet address */ +}; + +/* + * 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. + */ +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 */ + struct ipasfrag *ipq_next,*ipq_prev; + /* to ip headers of fragments */ + struct in_addr ipq_src,ipq_dst; +}; + +/* + * Ip header, when holding a fragment. + * + * Note: ipf_next must be at same offset as ipq_next above + */ +struct ipasfrag { +#if defined(vax) || defined(i386) + u_char ip_hl:4, + ip_v:4; +#endif +#if defined(mc68000) || defined(sparc) + u_char ip_v:4, + ip_hl:4; +#endif + u_char ipf_mff; /* copied from (ip_off&IP_MF) */ + short ip_len; + 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 */ +}; + +/* + * 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 + +struct ipoption { + struct in_addr ipopt_dst; /* first-hop dst if source routed */ + char ipopt_list[MAX_IPOPTLEN]; /* options proper */ +}; + +/* + * Structure stored in an mbuf 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 */ + 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]; +#ifdef RSVP_ISI + long imo_multicast_vif; /* vif for outgoing multicasts */ +#endif /* RSVP_ISI */ +}; + +struct ipstat { + long ips_total; /* total packets received */ + long ips_badsum; /* checksum bad */ + long ips_tooshort; /* packet too short */ + long ips_toosmall; /* not enough data */ + long ips_badhlen; /* ip header length < data size */ + long ips_badlen; /* ip length < ip header length */ + long ips_fragments; /* fragments received */ + long ips_fragdropped; /* frags dropped (dups, out of space) */ + long ips_fragtimeout; /* fragments timed out */ + long ips_forward; /* packets forwarded */ + long ips_cantforward; /* packets rcvd for unreachable dest */ + long ips_redirectsent; /* packets forwarded on same net */ +}; + +#ifdef KERNEL +/* flags passed to ip_output as last parameter */ +#define IP_FORWARDING 0x1 /* most of ip header exists */ +#define IP_MULTICASTOPTS 0x2 /* multicast opts present */ +#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */ +#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ + +struct ipstat ipstat; +struct ipq ipq; /* ip reass. queue */ +u_short ip_id; /* ip packet ctr, for ids */ + +struct mbuf *ip_srcroute(); +#endif + +#endif /*!_netinet_ip_var_h*/ |