f1730f62f5
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7227 a95241bf-73f2-0310-859d-f6bbb57e9c96
164 lines
6.6 KiB
C
164 lines
6.6 KiB
C
/* Parts of this file are covered under the following copyright */
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ip_var.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef NETINET_IP_VAR_H
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#define NETINET_IP_VAR_H
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#include <sys/socket.h>
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/*
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* Overlay for ip header used by other protocols (tcp, udp).
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*/
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struct ipovly {
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char * ih_next;
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char * ih_prev;
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uint8 ih_x1; /* (unused) */
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uint8 ih_pr; /* protocol */
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uint16 ih_len; /* protocol length */
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struct in_addr ih_src; /* source internet address */
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struct in_addr ih_dst; /* destination internet address */
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};
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/*
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* Structure stored in mbuf in inpcb.ip_options
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* and passed to ip_output when ip options are in use.
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* The actual length of the options (including ipopt_dst)
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* is in m_len.
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*/
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#define MAX_IPOPTLEN 40
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struct ipoption {
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struct in_addr ipopt_dst; /* first-hop dst if source routed */
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int8 ipopt_list[MAX_IPOPTLEN]; /* options proper */
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};
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/*
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* Structure attached to inpcb.ip_moptions and
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* passed to ip_output when IP multicast options are in use.
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*/
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struct ip_moptions {
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struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */
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uint8 imo_multicast_ttl; /* TTL for outgoing multicasts */
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uint8 imo_multicast_loop; /* 1 => here sends if a member */
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uint16 imo_num_memberships; /* no. memberships this socket */
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struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS];
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};
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struct ipasfrag {
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#if B_HOST_IS_BENDIAN
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uint8 ip_v:4;
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uint8 ip_hl:4;
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#else
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uint8 ip_hl:4;
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uint8 ip_v:4;
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#endif
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uint8 ipf_mff;
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int16 ip_len;
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uint16 ip_id;
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int16 ip_off;
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uint8 ip_ttl;
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uint8 ip_p;
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struct ipasfrag *ipf_next;
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struct ipasfrag *ipf_prev;
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};
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struct ipq {
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struct ipq *next, *prev;
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uint8 ipq_ttl;
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uint8 ipq_p;
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uint16 ipq_id;
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struct ipasfrag *ipq_next, *ipq_prev;
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struct in_addr ipq_src, ipq_dst;
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};
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struct ipstat {
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int32 ips_total; /* total packets received */
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int32 ips_badsum; /* checksum bad */
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int32 ips_tooshort; /* packet too short */
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int32 ips_toosmall; /* not enough data */
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int32 ips_badhlen; /* ip header length < data size */
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int32 ips_badlen; /* ip length < ip header length */
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int32 ips_fragments; /* fragments received */
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int32 ips_fragdropped; /* frags dropped (dups, out of space) */
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int32 ips_fragtimeout; /* fragments timed out */
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int32 ips_forward; /* packets forwarded */
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int32 ips_cantforward; /* packets rcvd for unreachable dest */
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int32 ips_redirectsent; /* packets forwarded on same net */
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int32 ips_noproto; /* unknown or unsupported protocol */
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int32 ips_delivered; /* datagrams delivered to upper level*/
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int32 ips_localout; /* total ip packets generated here */
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int32 ips_odropped; /* lost packets due to nobufs, etc. */
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int32 ips_reassembled; /* total packets reassembled ok */
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int32 ips_fragmented; /* datagrams sucessfully fragmented */
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int32 ips_ofragments; /* output fragments created */
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int32 ips_cantfrag; /* don't fragment flag was set, etc. */
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int32 ips_badoptions; /* error in option processing */
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int32 ips_noroute; /* packets discarded due to no route */
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int32 ips_badvers; /* ip version != 4 */
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int32 ips_rawout; /* total raw ip packets generated */
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int32 ips_badfrags; /* malformed fragments (bad length) */
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int32 ips_rcvmemdrop; /* frags dropped for lack of memory */
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int32 ips_toolong; /* ip length > max ip packet size */
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int32 ips_nogif; /* no match gif found */
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int32 ips_badaddr; /* invalid address on header */
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int32 ips_inhwcsum; /* hardware checksummed on input */
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int32 ips_outhwcsum; /* hardware checksummed on output */
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};
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//#ifdef _KERNEL_MODE
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#define IP_FORWARDING 0x1 /* most of ip header exists */
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#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
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#define IP_RAWOUTPUT 0x4 /* raw ip header exists */
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#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */
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#define IP_MTUDISC 0x10 /* pmtu discovery, set DF */
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#if 0
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//struct ipstat ipstat;
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void ipv4_input(struct mbuf *, int);
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int ipv4_output(struct mbuf *, struct mbuf *, struct route *, int, void *);
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int ipv4_ctloutput(int, struct socket *, int, int, struct mbuf **);
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int ip_dooptions(struct mbuf *);
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void ip_stripoptions (struct mbuf *, struct mbuf *);
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struct mbuf *ip_srcroute(void);
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#endif /* _KERNEL_MODE */
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#endif /* NETINET_IP_VAR_H */
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