2002-07-09 16:24:59 +04:00
|
|
|
/* 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
|
|
|
|
|
2002-07-12 13:36:23 +04:00
|
|
|
#include <sys/socket.h>
|
2002-07-09 16:24:59 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Overlay for ip header used by other protocols (tcp, udp).
|
|
|
|
*/
|
|
|
|
struct ipovly {
|
2002-07-12 13:36:23 +04:00
|
|
|
char * ih_next;
|
|
|
|
char * ih_prev;
|
2002-07-09 16:24:59 +04:00
|
|
|
uint8 ih_x1; /* (unused) */
|
|
|
|
uint8 ih_pr; /* protocol */
|
|
|
|
uint16 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 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 imo_multicast_ttl; /* TTL for outgoing multicasts */
|
|
|
|
uint8 imo_multicast_loop; /* 1 => here sends if a member */
|
|
|
|
uint16 imo_num_memberships; /* no. memberships this socket */
|
|
|
|
struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct ipasfrag {
|
|
|
|
#if B_HOST_IS_BENDIAN
|
|
|
|
uint8 ip_v:4;
|
|
|
|
uint8 ip_hl:4;
|
|
|
|
#else
|
|
|
|
uint8 ip_hl:4;
|
|
|
|
uint8 ip_v:4;
|
|
|
|
#endif
|
|
|
|
uint8 ipf_mff;
|
|
|
|
int16 ip_len;
|
|
|
|
uint16 ip_id;
|
|
|
|
int16 ip_off;
|
|
|
|
uint8 ip_ttl;
|
|
|
|
uint8 ip_p;
|
|
|
|
struct ipasfrag *ipf_next;
|
|
|
|
struct ipasfrag *ipf_prev;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct ipq {
|
|
|
|
struct ipq *next, *prev;
|
|
|
|
uint8 ipq_ttl;
|
|
|
|
uint8 ipq_p;
|
|
|
|
uint16 ipq_id;
|
|
|
|
struct ipasfrag *ipq_next, *ipq_prev;
|
|
|
|
struct in_addr ipq_src, ipq_dst;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct ipstat {
|
|
|
|
int32 ips_total; /* total packets received */
|
|
|
|
int32 ips_badsum; /* checksum bad */
|
|
|
|
int32 ips_tooshort; /* packet too short */
|
|
|
|
int32 ips_toosmall; /* not enough data */
|
|
|
|
int32 ips_badhlen; /* ip header length < data size */
|
|
|
|
int32 ips_badlen; /* ip length < ip header length */
|
|
|
|
int32 ips_fragments; /* fragments received */
|
|
|
|
int32 ips_fragdropped; /* frags dropped (dups, out of space) */
|
|
|
|
int32 ips_fragtimeout; /* fragments timed out */
|
|
|
|
int32 ips_forward; /* packets forwarded */
|
|
|
|
int32 ips_cantforward; /* packets rcvd for unreachable dest */
|
|
|
|
int32 ips_redirectsent; /* packets forwarded on same net */
|
|
|
|
int32 ips_noproto; /* unknown or unsupported protocol */
|
|
|
|
int32 ips_delivered; /* datagrams delivered to upper level*/
|
|
|
|
int32 ips_localout; /* total ip packets generated here */
|
|
|
|
int32 ips_odropped; /* lost packets due to nobufs, etc. */
|
|
|
|
int32 ips_reassembled; /* total packets reassembled ok */
|
|
|
|
int32 ips_fragmented; /* datagrams sucessfully fragmented */
|
|
|
|
int32 ips_ofragments; /* output fragments created */
|
|
|
|
int32 ips_cantfrag; /* don't fragment flag was set, etc. */
|
|
|
|
int32 ips_badoptions; /* error in option processing */
|
|
|
|
int32 ips_noroute; /* packets discarded due to no route */
|
|
|
|
int32 ips_badvers; /* ip version != 4 */
|
|
|
|
int32 ips_rawout; /* total raw ip packets generated */
|
|
|
|
int32 ips_badfrags; /* malformed fragments (bad length) */
|
|
|
|
int32 ips_rcvmemdrop; /* frags dropped for lack of memory */
|
|
|
|
int32 ips_toolong; /* ip length > max ip packet size */
|
|
|
|
int32 ips_nogif; /* no match gif found */
|
|
|
|
int32 ips_badaddr; /* invalid address on header */
|
|
|
|
int32 ips_inhwcsum; /* hardware checksummed on input */
|
|
|
|
int32 ips_outhwcsum; /* hardware checksummed on output */
|
|
|
|
};
|
|
|
|
|
2002-10-30 04:21:54 +03:00
|
|
|
//#ifdef _KERNEL_MODE
|
2002-07-09 16:24:59 +04:00
|
|
|
|
|
|
|
#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 */
|
|
|
|
#define IP_MTUDISC 0x0400 /* pmtu discovery, set DF */
|
|
|
|
|
2002-10-30 04:21:54 +03:00
|
|
|
#if 0
|
|
|
|
//struct ipstat ipstat;
|
2002-07-09 16:24:59 +04:00
|
|
|
|
2002-07-12 13:36:23 +04:00
|
|
|
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 **);
|
2002-07-09 16:24:59 +04:00
|
|
|
|
2002-07-12 13:36:23 +04:00
|
|
|
int ip_dooptions(struct mbuf *);
|
|
|
|
void ip_stripoptions (struct mbuf *, struct mbuf *);
|
|
|
|
struct mbuf *ip_srcroute(void);
|
|
|
|
|
|
|
|
|
|
|
|
#endif /* _KERNEL_MODE */
|
2002-07-09 16:24:59 +04:00
|
|
|
|
|
|
|
#endif /* NETINET_IP_VAR_H */
|