/* * :ts=8 * * 'Roadshow' -- Amiga TCP/IP stack * Copyright © 2001-2016 by Olaf Barthel. * All Rights Reserved. * * Amiga specific TCP/IP 'C' header files; * Freely Distributable */ /* * Copyright (c) 1982, 1986, 1989, 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. * * @(#)if.h 8.3 (Berkeley) 2/9/95 */ #ifndef _NET_IF_H #define _NET_IF_H /****************************************************************************/ /* * Structures defining a network interface, providing a packet * transport mechanism (ala level 0 of the PUP protocols). * * Each interface accepts output datagrams of a specified maximum * length, and provides higher level routines with input datagrams * received from its medium. * * Output occurs when the routine if_output is called, with three parameters: * (*ifp->if_output)(ifp, m, dst, rt) * Here m is the mbuf chain to be sent and dst is the destination address. * The output routine encapsulates the supplied datagram if necessary, * and then transmits it on its medium. * * On input, each interface unwraps the data received by it, and either * places it on the input queue of a internetwork datagram routine * and posts the associated software interrupt, or passes the datagram to a raw * packet input routine. * * Routines exist for locating interfaces by their addresses * or for locating a interface on a certain network, as well as more general * routing and gateway routines maintaining information used to locate * interfaces. These routines live in the files if.c and route.c */ /****************************************************************************/ #ifndef _SYS_NETINCLUDE_TYPES_H #include #endif /* _SYS_NETINCLUDE_TYPES_H */ #ifndef _SYS_SOCKET_H #include #endif /* _SYS_SOCKET_H */ /****************************************************************************/ #ifndef __timeval #ifdef __NEW_TIMEVAL_DEFINITION_USED__ #define __timeval TimeVal #else #define __timeval timeval #endif /* __NEW_TIMEVAL_DEFINITION_USED__ */ #endif /* __timeval */ /****************************************************************************/ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /****************************************************************************/ #ifdef __GNUC__ #ifdef __PPC__ #pragma pack(2) #endif #elif defined(__VBCC__) #pragma amiga-align #endif /****************************************************************************/ /* * Structure describing information about an interface * which may be of interest to management entities. */ /* * Structure defining a queue for a network interface. * * (Would like to call this struct ``if'', but C isn't PL/1.) */ /* 'struct if_data' and 'struct ifqueue' used to be defined within * 'struct ifnet', which is problematic for use with C++. */ struct if_data { /* generic interface information */ __UBYTE ifi_type; /* ethernet, tokenring, etc */ __UBYTE ifi_addrlen; /* media address length */ __UBYTE ifi_hdrlen; /* media header length */ __ULONG ifi_mtu; /* maximum transmission unit */ __ULONG ifi_metric; /* routing metric (external only) */ __ULONG ifi_baudrate; /* linespeed */ /* volatile statistics */ __ULONG ifi_ipackets; /* packets received on interface */ __ULONG ifi_ierrors; /* input errors on interface */ __ULONG ifi_opackets; /* packets sent on interface */ __ULONG ifi_oerrors; /* output errors on interface */ __ULONG ifi_collisions; /* collisions on csma interfaces */ __ULONG ifi_ibytes; /* total number of octets received */ __ULONG ifi_obytes; /* total number of octets sent */ __ULONG ifi_imcasts; /* packets received via multicast */ __ULONG ifi_omcasts; /* packets sent via multicast */ __ULONG ifi_iqdrops; /* dropped on input, this interface */ __ULONG ifi_noproto; /* destined for unsupported protocol */ struct __timeval ifi_lastchange;/* last updated */ }; struct ifqueue { __APTR ifq_head; __APTR ifq_tail; __LONG ifq_len; __LONG ifq_maxlen; __LONG ifq_drops; }; struct ifnet { __STRPTR if_name; /* name, e.g. ``en'' or ``lo'' */ struct ifnet * if_next; /* all struct ifnets are chained */ struct ifaddr * if_addrlist; /* linked list of addresses per if */ __LONG if_pcount; /* number of promiscuous listeners */ __APTR if_bpf; /* packet filter structure */ __UWORD if_index; /* numeric abbreviation for this if */ __WORD if_unit; /* sub-unit for lower level driver */ __WORD if_timer; /* time 'til if_watchdog called */ __UWORD if_flags; /* up/down, broadcast, etc. */ struct if_data if_data; /* generic interface information */ /* procedure handles */ __APTR if_init; /* init routine */ __APTR if_output; /* output routine (enqueue) */ __APTR if_start; /* initiate output routine */ __APTR if_done; /* output complete routine */ __APTR if_ioctl; /* ioctl routine */ __APTR if_reset; __APTR if_watchdog; /* timer routine */ struct ifqueue if_snd; /* output queue */ }; #define if_mtu if_data.ifi_mtu #define if_type if_data.ifi_type #define if_addrlen if_data.ifi_addrlen #define if_hdrlen if_data.ifi_hdrlen #define if_metric if_data.ifi_metric #define if_baudrate if_data.ifi_baudrate #define if_ipackets if_data.ifi_ipackets #define if_ierrors if_data.ifi_ierrors #define if_opackets if_data.ifi_opackets #define if_oerrors if_data.ifi_oerrors #define if_collisions if_data.ifi_collisions #define if_ibytes if_data.ifi_ibytes #define if_obytes if_data.ifi_obytes #define if_imcasts if_data.ifi_imcasts #define if_omcasts if_data.ifi_omcasts #define if_iqdrops if_data.ifi_iqdrops #define if_noproto if_data.ifi_noproto #define if_lastchange if_data.ifi_lastchange #define IFF_UP 0x1 /* interface is up */ #define IFF_BROADCAST 0x2 /* broadcast address valid */ #define IFF_DEBUG 0x4 /* turn on debugging */ #define IFF_LOOPBACK 0x8 /* is a loopback net */ #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ #define IFF_RUNNING 0x40 /* resources allocated */ #define IFF_NOARP 0x80 /* no address resolution protocol */ #define IFF_PROMISC 0x100 /* receive all packets */ #define IFF_ALLMULTI 0x200 /* receive all multicast packets */ #define IFF_OACTIVE 0x400 /* transmission in progress */ #define IFF_SIMPLEX 0x800 /* can't hear own transmissions */ #define IFF_LINK0 0x1000 /* per link layer defined bit */ #define IFF_LINK1 0x2000 /* per link layer defined bit */ #define IFF_LINK2 0x4000 /* per link layer defined bit */ #define IFF_MULTICAST 0x8000 /* supports multicast */ /* flags set internally only: */ #define IFF_CANTCHANGE \ (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\ IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI) /* * The ifaddr structure contains information about one address * of an interface. They are maintained by the different address families, * are allocated and attached when an address is set, and are linked * together so all addresses for an interface can be located. */ struct ifaddr { struct sockaddr *ifa_addr; /* address of interface */ struct sockaddr *ifa_dstaddr; /* other end of p-to-p link */ #define ifa_broadaddr ifa_dstaddr /* broadcast address interface */ struct sockaddr *ifa_netmask; /* used to determine subnet */ struct ifnet *ifa_ifp; /* back-pointer to interface */ struct ifaddr *ifa_next; /* next address for interface */ __APTR ifa_rtrequest; /* check or clean routes (+ or -)'d */ __UWORD ifa_flags; /* mostly rt_flags for cloning */ __WORD ifa_refcnt; /* extra to malloc for link info */ __LONG ifa_metric; /* cost of going out this interface */ }; #define IFA_ROUTE RTF_UP /* route installed */ /* * Message format for use in obtaining information about interfaces * from getkerninfo and the routing socket */ struct if_msghdr { __UWORD ifm_msglen; /* to skip over non-understood messages */ __UBYTE ifm_version; /* future binary compatability */ __UBYTE ifm_type; /* message type */ __LONG ifm_addrs; /* like rtm_addrs */ __LONG ifm_flags; /* value of if_flags */ __UWORD ifm_index; /* index for associated ifp */ struct if_data ifm_data;/* statistics and other data about if */ }; /* * Message format for use in obtaining information about interface addresses * from getkerninfo and the routing socket */ struct ifa_msghdr { __UWORD ifam_msglen; /* to skip over non-understood messages */ __UBYTE ifam_version; /* future binary compatability */ __UBYTE ifam_type; /* message type */ __LONG ifam_addrs; /* like rtm_addrs */ __LONG ifam_flags; /* value of ifa_flags */ __UWORD ifam_index; /* index for associated ifp */ __LONG ifam_metric; /* value of ifa_metric */ }; /* * Interface request structure used for socket * ioctl's. All interface ioctl's must have parameter * definitions which begin with ifr_name. The * remainder may be interface specific. */ struct ifreq { #define IFNAMSIZ 16 __TEXT ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ union { struct sockaddr ifru_addr; struct sockaddr ifru_dstaddr; struct sockaddr ifru_broadaddr; __WORD ifru_flags; __LONG ifru_metric; __APTR ifru_data; } ifr_ifru; #define ifr_addr ifr_ifru.ifru_addr /* address */ #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ #define ifr_flags ifr_ifru.ifru_flags /* flags */ #define ifr_metric ifr_ifru.ifru_metric /* metric */ #define ifr_data ifr_ifru.ifru_data /* for use by interface */ }; struct ifaliasreq { __TEXT ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ struct sockaddr ifra_addr; struct sockaddr ifra_broadaddr; struct sockaddr ifra_mask; }; /* * Structure used in SIOCGIFCONF request. * Used to retrieve interface configuration * for machine (useful for programs which * must know all networks accessible). */ struct ifconf { __LONG ifc_len; /* size of associated buffer */ union { __APTR ifcu_buf; struct ifreq *ifcu_req; } ifc_ifcu; #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ }; /****************************************************************************/ #ifdef __GNUC__ #ifdef __PPC__ #pragma pack() #endif #elif defined(__VBCC__) #pragma default-align #endif /****************************************************************************/ #ifdef __cplusplus } #endif /* __cplusplus */ /****************************************************************************/ #ifndef _NET_IF_ARP_H #include #endif /* _NET_IF_ARP_H */ /****************************************************************************/ #endif /* _NET_IF_H */