haiku/headers/posix/netinet/ip_var.h

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/* Parts of this file are covered under the following copyright */
/*
* 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 8.1 (Berkeley) 6/10/93
*/
#ifndef NETINET_IP_VAR_H
#define NETINET_IP_VAR_H
#include <sys/socket.h>
/*
* Overlay for ip header used by other protocols (tcp, udp).
*/
struct ipovly {
char * ih_next;
char * ih_prev;
uint8_t ih_x1; /* (unused) */
uint8_t ih_pr; /* protocol */
uint16_t ih_len; /* protocol length */
struct in_addr ih_src; /* source internet address */
struct in_addr ih_dst; /* destination internet address */
};
/*
* 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 */
int8_t 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 */
uint8_t imo_multicast_ttl; /* TTL for outgoing multicasts */
uint8_t imo_multicast_loop; /* 1 => here sends if a member */
uint16_t imo_num_memberships; /* no. memberships this socket */
struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS];
};
struct ipasfrag {
#if B_HOST_IS_BENDIAN
uint8_t ip_v:4;
uint8_t ip_hl:4;
#else
uint8_t ip_hl:4;
uint8_t ip_v:4;
#endif
uint8_t ipf_mff;
int16_t ip_len;
uint16_t ip_id;
int16_t ip_off;
uint8_t ip_ttl;
uint8_t ip_p;
struct ipasfrag *ipf_next;
struct ipasfrag *ipf_prev;
};
struct ipq {
struct ipq *next, *prev;
uint8_t ipq_ttl;
uint8_t ipq_p;
uint16_t ipq_id;
struct ipasfrag *ipq_next, *ipq_prev;
struct in_addr ipq_src, ipq_dst;
};
struct ipstat {
int32_t ips_total; /* total packets received */
int32_t ips_badsum; /* checksum bad */
int32_t ips_tooshort; /* packet too short */
int32_t ips_toosmall; /* not enough data */
int32_t ips_badhlen; /* ip header length < data size */
int32_t ips_badlen; /* ip length < ip header length */
int32_t ips_fragments; /* fragments received */
int32_t ips_fragdropped; /* frags dropped (dups, out of space) */
int32_t ips_fragtimeout; /* fragments timed out */
int32_t ips_forward; /* packets forwarded */
int32_t ips_cantforward; /* packets rcvd for unreachable dest */
int32_t ips_redirectsent; /* packets forwarded on same net */
int32_t ips_noproto; /* unknown or unsupported protocol */
int32_t ips_delivered; /* datagrams delivered to upper level*/
int32_t ips_localout; /* total ip packets generated here */
int32_t ips_odropped; /* lost packets due to nobufs, etc. */
int32_t ips_reassembled; /* total packets reassembled ok */
int32_t ips_fragmented; /* datagrams sucessfully fragmented */
int32_t ips_ofragments; /* output fragments created */
int32_t ips_cantfrag; /* don't fragment flag was set, etc. */
int32_t ips_badoptions; /* error in option processing */
int32_t ips_noroute; /* packets discarded due to no route */
int32_t ips_badvers; /* ip version != 4 */
int32_t ips_rawout; /* total raw ip packets generated */
int32_t ips_badfrags; /* malformed fragments (bad length) */
int32_t ips_rcvmemdrop; /* frags dropped for lack of memory */
int32_t ips_toolong; /* ip length > max ip packet size */
int32_t ips_nogif; /* no match gif found */
int32_t ips_badaddr; /* invalid address on header */
int32_t ips_inhwcsum; /* hardware checksummed on input */
int32_t ips_outhwcsum; /* hardware checksummed on output */
};
//#ifdef _KERNEL_MODE
#define IP_FORWARDING 0x1 /* most of ip header exists */
#define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
#define IP_RAWOUTPUT 0x4 /* raw ip header exists */
#define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */
#define IP_MTUDISC 0x10 /* pmtu discovery, set DF */
#if 0
//struct ipstat ipstat;
void ipv4_input(struct mbuf *, int);
int ipv4_output(struct mbuf *, struct mbuf *, struct route *, int, void *);
int ipv4_ctloutput(int, struct socket *, int, int, struct mbuf **);
int ip_dooptions(struct mbuf *);
void ip_stripoptions (struct mbuf *, struct mbuf *);
struct mbuf *ip_srcroute(void);
#endif /* _KERNEL_MODE */
#endif /* NETINET_IP_VAR_H */