* Copyright (c) 1985, 1986 Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
* from: @(#)in_var.h 7.6 (Berkeley) 6/28/90
* $Id: in_var.h,v 1.5 1993/12/19 00:52:40 wollman Exp $
#ifndef _NETINET_IN_VAR_H_
#define _NETINET_IN_VAR_H_ 1
* Interface address, Internet version. One of these structures
* is allocated for each interface with an Internet address.
* The ifaddr structure contains the protocol-independent part
* of the structure and is assumed to be first.
struct ifaddr ia_ifa
; /* protocol-independent info */
#define ia_ifp ia_ifa.ifa_ifp
#define ia_flags ia_ifa.ifa_flags
/* ia_{,sub}net{,mask} in host order */
u_long ia_net
; /* network number of interface */
u_long ia_netmask
; /* mask of net part */
u_long ia_subnet
; /* subnet number, including net */
u_long ia_subnetmask
; /* mask of subnet part */
struct in_addr ia_netbroadcast
; /* to recognize net broadcasts */
struct in_ifaddr
*ia_next
; /* next in list of internet addresses */
struct sockaddr_in ia_addr
; /* reserve space for interface name */
struct sockaddr_in ia_dstaddr
; /* reserve space for broadcast addr */
#define ia_broadaddr ia_dstaddr
struct sockaddr_in ia_sockmask
; /* reserve space for general netmask */
char ifra_name
[IFNAMSIZ
]; /* if name, e.g. "en0" */
struct sockaddr_in ifra_addr
;
struct sockaddr_in ifra_broadaddr
;
#define ifra_dstaddr ifra_broadaddr
struct sockaddr_in ifra_mask
;
* Given a pointer to an in_ifaddr (ifaddr),
* return a pointer to the addr as a sockaddr_in.
#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
struct ip
; /* forward declaration */
typedef void in_input_t(struct mbuf
*, int);
* Grrr... `netstat' expects to be able to include this file
* with KERNEL defined, to get all sorts of interesting structures,
* but without having to get all these prototypes. (Well, it's not
* really netstat's fault, but this should get fixed when KERNEL gets
typedef int in_output_t(struct mbuf
*, struct socket
*);
typedef void in_ctlinput_t(int, struct sockaddr
*, struct ip
*);
typedef int in_ctloutput_t(int, struct socket
*, int, int, struct mbuf
**);
* This structure is a pun for `struct protosw'. The difference is that it
* has appropriate interprotocol hook prototypes for the Internet family.
short pr_type
; /* socket type used for */
struct domain
*pr_domain
; /* domain protocol a member of */
short pr_protocol
; /* protocol number */
short pr_flags
; /* see below */
/* protocol-protocol hooks */
in_ctlinput_t
*pr_ctlinput
;
in_ctloutput_t
*pr_ctloutput
;
int (*pr_usrreq
)(struct socket
*, int, struct mbuf
*,
struct mbuf
*, struct mbuf
*, struct mbuf
*);
void (*pr_init
)(void); /* initialization hook */
void (*pr_fasttimo
)(void); /* fast timeout (200ms) */
void (*pr_slowtimo
)(void); /* slow timeout (500ms) */
void (*pr_drain
)(void); /* flush any excess space possible */
extern struct in_ifaddr
*in_ifaddr
;
extern struct in_ifaddr
*in_iaonnetof(u_long
);
extern struct in_ifaddr
*ifptoia(struct ifnet
*);
extern int in_ifinit(struct ifnet
*, struct in_ifaddr
*, struct sockaddr_in
*, int);
extern int in_cksum(struct mbuf
*, int);
extern struct ifqueue ipintrq
; /* ip packet input queue */
extern struct in_protosw inetsw
[];
extern struct domain inetdomain
;
extern u_char ip_protox
[];
extern u_char inetctlerrmap
[];
extern struct in_addr zeroin_addr
;
extern int subnetsarelocal
; /* obsolescent */
extern u_long
*ip_ifmatrix
;
extern struct sockaddr_in ipaddr
;
extern struct route ipforward_rt
;
extern int ipsendredirects
;
extern unsigned in_nextmtu(unsigned, int);
extern int in_routemtu(struct route
*);
extern void in_mtureduce(struct in_addr
, unsigned);
extern void in_mtutimer(caddr_t
, int);
#endif /* _NETINET_IN_VAR_H_ */