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Diffstat (limited to 'c/src/exec/libnetworking/net/if.h')
| -rw-r--r-- | c/src/exec/libnetworking/net/if.h | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/c/src/exec/libnetworking/net/if.h b/c/src/exec/libnetworking/net/if.h deleted file mode 100644 index 39b6cc0d39..0000000000 --- a/c/src/exec/libnetworking/net/if.h +++ /dev/null @@ -1,474 +0,0 @@ -/* - * 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 8.1 (Berkeley) 6/10/93 - * $Id$ - */ - -#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 _TIME_ /* XXX fast fix for SNMP, going away soon */ -#include <sys/time.h> -#endif - -#ifdef __STDC__ -/* - * Forward structure declarations for function prototypes [sic]. - */ -struct mbuf; -struct proc; -struct rtentry; -struct socket; -struct ether_header; -#endif - -/* - * Structure describing information about an interface - * which may be of interest to management entities. - */ -struct if_data { - /* generic interface information */ - u_char ifi_type; /* ethernet, tokenring, etc */ - u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ - u_char ifi_addrlen; /* media address length */ - u_char ifi_hdrlen; /* media header length */ - u_char ifi_recvquota; /* polling quota for receive intrs */ - u_char ifi_xmitquota; /* polling quota for xmit intrs */ - u_long ifi_mtu; /* maximum transmission unit */ - u_long ifi_metric; /* routing metric (external only) */ - u_long ifi_baudrate; /* linespeed */ - /* volatile statistics */ - u_long ifi_ipackets; /* packets received on interface */ - u_long ifi_ierrors; /* input errors on interface */ - u_long ifi_opackets; /* packets sent on interface */ - u_long ifi_oerrors; /* output errors on interface */ - u_long ifi_collisions; /* collisions on csma interfaces */ - u_long ifi_ibytes; /* total number of octets received */ - u_long ifi_obytes; /* total number of octets sent */ - u_long ifi_imcasts; /* packets received via multicast */ - u_long ifi_omcasts; /* packets sent via multicast */ - u_long ifi_iqdrops; /* dropped on input, this interface */ - u_long ifi_noproto; /* destined for unsupported protocol */ - u_long ifi_recvtiming; /* usec spent receiving when timing */ - u_long ifi_xmittiming; /* usec spent xmitting when timing */ - struct timeval ifi_lastchange; /* time of last administrative change */ -}; - -/* - * Structure defining a queue for a network interface. - */ -struct ifqueue { - struct mbuf *ifq_head; - struct mbuf *ifq_tail; - int ifq_len; - int ifq_maxlen; - int ifq_drops; -}; - -/* - * Structure defining a network interface. - * - * (Would like to call this struct ``if'', but C isn't PL/1.) - */ -struct ifnet { - void *if_softc; /* pointer to driver state */ - char *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 */ - int if_pcount; /* number of promiscuous listeners */ - struct bpf_if *if_bpf; /* packet filter structure */ - u_short if_index; /* numeric abbreviation for this if */ - short if_unit; /* sub-unit for lower level driver */ - short if_timer; /* time 'til if_watchdog called */ - short if_flags; /* up/down, broadcast, etc. */ - int if_ipending; /* interrupts pending */ - void *if_linkmib; /* link-type-specific MIB data */ - size_t if_linkmiblen; /* length of above data */ - struct if_data if_data; -/* procedure handles */ - int (*if_output) /* output routine (enqueue) */ - __P((struct ifnet *, struct mbuf *, struct sockaddr *, - struct rtentry *)); - void (*if_start) /* initiate output routine */ - __P((struct ifnet *)); - int (*if_done) /* output complete routine */ - __P((struct ifnet *)); /* (XXX not used; fake prototype) */ - int (*if_ioctl) /* ioctl routine */ - __P((struct ifnet *, int, caddr_t)); - void (*if_watchdog) /* timer routine */ - __P((struct ifnet *)); - int (*if_poll_recv) /* polled receive routine */ - __P((struct ifnet *, int *)); - int (*if_poll_xmit) /* polled transmit routine */ - __P((struct ifnet *, int *)); - void (*if_poll_intren) /* polled interrupt reenable routine */ - __P((struct ifnet *)); - void (*if_poll_slowinput) /* input routine for slow devices */ - __P((struct ifnet *, struct mbuf *)); - void (*if_init) /* Init routine */ - __P((void *)); - int (*if_tap) /* Packet filter routine */ - (struct ifnet *, struct ether_header *, struct mbuf *); - struct ifqueue if_snd; /* output queue */ - struct ifqueue *if_poll_slowq; /* input queue for slow devices */ -}; -typedef void if_init_f_t __P((void *)); - -#define if_mtu if_data.ifi_mtu -#define if_type if_data.ifi_type -#define if_physical if_data.ifi_physical -#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 if_recvquota if_data.ifi_recvquota -#define if_xmitquota if_data.ifi_xmitquota -#define if_rawoutput(if, m, sa) if_output(if, m, sa, (struct rtentry *)0) - -#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 * obsolete: 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_ALTPHYS IFF_LINK2 /* use alternate physical connection */ -#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) - - -/* - * These really don't belong here, but there's no other obviously appropriate - * location. - */ -#define IFP_AUI 0 -#define IFP_10BASE2 1 -#define IFP_10BASET 2 -/* etc. */ - -/* - * Bit values in if_ipending - */ -#define IFI_RECV 1 /* I want to receive */ -#define IFI_XMIT 2 /* I want to transmit */ - -/* - * Output queues (ifp->if_snd) and slow device input queues (*ifp->if_slowq) - * are queues of messages stored on ifqueue structures - * (defined above). Entries are added to and deleted from these structures - * by these macros, which should be called with ipl raised to splimp(). - */ -#define IF_QFULL(ifq) ((ifq)->ifq_len >= (ifq)->ifq_maxlen) -#define IF_DROP(ifq) ((ifq)->ifq_drops++) -#define IF_ENQUEUE(ifq, m) { \ -/* printf(" IF_ENQUEUE: %p %p\n", ifq, m ); */ \ - (m)->m_nextpkt = 0; \ - if ((ifq)->ifq_tail == 0) \ - (ifq)->ifq_head = m; \ - else \ - (ifq)->ifq_tail->m_nextpkt = m; \ - (ifq)->ifq_tail = m; \ - (ifq)->ifq_len++; \ -} -#define IF_PREPEND(ifq, m) { \ -/* printf(" IF_PREPEND: %p %p\n", ifq, m ); */ \ - (m)->m_nextpkt = (ifq)->ifq_head; \ - if ((ifq)->ifq_tail == 0) \ - (ifq)->ifq_tail = (m); \ - (ifq)->ifq_head = (m); \ - (ifq)->ifq_len++; \ -} -#define IF_DEQUEUE(ifq, m) { \ - (m) = (ifq)->ifq_head; \ - if (m) { \ -/* printf(" IF_DEQUEUE: %p %p\n", ifq, m ); */ \ - if (((ifq)->ifq_head = (m)->m_nextpkt) == 0) \ - (ifq)->ifq_tail = 0; \ - (m)->m_nextpkt = 0; \ - (ifq)->ifq_len--; \ - } \ -} - -#ifdef KERNEL -#define IF_ENQ_DROP(ifq, m) if_enq_drop(ifq, m) - -#if defined(__GNUC__) && defined(MT_HEADER) -static inline int -if_queue_drop(struct ifqueue *ifq, struct mbuf *m) -{ - IF_DROP(ifq); - return 0; -} - -static inline int -if_enq_drop(struct ifqueue *ifq, struct mbuf *m) -{ - if (IF_QFULL(ifq) && - !if_queue_drop(ifq, m)) - return 0; - IF_ENQUEUE(ifq, m); - return 1; -} -#else - -#ifdef MT_HEADER -int if_enq_drop __P((struct ifqueue *, struct mbuf *)); -#endif - -#endif -#endif /* KERNEL */ - -#define IFQ_MAXLEN 50 -#define IFNET_SLOWHZ 1 /* granularity is 1 second */ - -/* - * 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 */ - void (*ifa_rtrequest) /* check or clean routes (+ or -)'d */ - __P((int, struct rtentry *, struct sockaddr *)); - u_short ifa_flags; /* mostly rt_flags for cloning */ - short ifa_refcnt; /* references to this structure */ - int ifa_metric; /* cost of going out this interface */ -#ifdef notdef - struct rtentry *ifa_rt; /* XXXX for ROUTETOIF ????? */ -#endif - int (*ifa_claim_addr) /* check if an addr goes to this if */ - __P((struct ifaddr *, struct sockaddr *)); - -}; -#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 { - u_short ifm_msglen; /* to skip over non-understood messages */ - u_char ifm_version; /* future binary compatability */ - u_char ifm_type; /* message type */ - int ifm_addrs; /* like rtm_addrs */ - int ifm_flags; /* value of if_flags */ - u_short 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 { - u_short ifam_msglen; /* to skip over non-understood messages */ - u_char ifam_version; /* future binary compatability */ - u_char ifam_type; /* message type */ - int ifam_addrs; /* like rtm_addrs */ - int ifam_flags; /* value of ifa_flags */ - u_short ifam_index; /* index for associated ifp */ - int 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 - char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ - union { - struct sockaddr ifru_addr; - struct sockaddr ifru_dstaddr; - struct sockaddr ifru_broadaddr; - short ifru_flags; - int ifru_metric; - int ifru_mtu; - int ifru_phys; - int ifru_media; - caddr_t ifru_data; - int (*ifru_tap)(struct ifnet *, struct ether_header *, struct mbuf *); - } 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_mtu ifr_ifru.ifru_mtu /* mtu */ -#define ifr_phys ifr_ifru.ifru_phys /* physical wire */ -#define ifr_media ifr_ifru.ifru_media /* physical media */ -#define ifr_data ifr_ifru.ifru_data /* for use by interface */ -#define ifr_tap ifr_ifru.ifru_tap /* tap function */ -}; - -struct ifaliasreq { - char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ - struct sockaddr ifra_addr; - struct sockaddr ifra_broadaddr; - struct sockaddr ifra_mask; -}; - -struct ifmediareq { - char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ - int ifm_current; /* current media options */ - int ifm_mask; /* don't care mask */ - int ifm_status; /* media status */ - int ifm_active; /* active options */ - int ifm_count; /* # entries in ifm_ulist array */ - int *ifm_ulist; /* media words */ -}; -/* - * Structure used in SIOCGIFCONF request. - * Used to retrieve interface configuration - * for machine (useful for programs which - * must know all networks accessible). - */ -struct ifconf { - int ifc_len; /* size of associated buffer */ - union { - caddr_t 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 */ -}; - -#include <net/if_arp.h> - -#ifdef KERNEL -#define IFAFREE(ifa) \ - if ((ifa)->ifa_refcnt <= 0) \ - ifafree(ifa); \ - else \ - (ifa)->ifa_refcnt--; - -extern struct ifnet *ifnet; -extern int ifqmaxlen; -extern struct ifnet loif[]; -extern int if_index; -extern struct ifaddr **ifnet_addrs; - -void ether_ifattach __P((struct ifnet *)); -void ether_input __P((struct ifnet *, struct ether_header *, struct mbuf *)); -int ether_output __P((struct ifnet *, - struct mbuf *, struct sockaddr *, struct rtentry *)); -int ether_ioctl __P((struct ifnet *, int , caddr_t )); - -void if_attach __P((struct ifnet *)); -void if_down __P((struct ifnet *)); -void if_up __P((struct ifnet *)); -#ifdef vax -void ifubareset __P((int)); -#endif -/*void ifinit __P((void));*/ /* declared in systm.h for main() */ -int ifioctl __P((struct socket *, int, caddr_t, struct proc *)); -int ifpromisc __P((struct ifnet *, int)); -struct ifnet *ifunit __P((char *)); - -int if_poll_recv_slow __P((struct ifnet *ifp, int *quotap)); -void if_poll_xmit_slow __P((struct ifnet *ifp, int *quotap)); -void if_poll_throttle __P((void)); -void if_poll_unthrottle __P((void *)); -void if_poll_init __P((void)); -void if_poll __P((void)); - -struct ifaddr *ifa_ifwithaddr __P((struct sockaddr *)); -struct ifaddr *ifa_ifwithdstaddr __P((struct sockaddr *)); -struct ifaddr *ifa_ifwithnet __P((struct sockaddr *)); -struct ifaddr *ifa_ifwithroute __P((int, struct sockaddr *, - struct sockaddr *)); -struct ifaddr *ifaof_ifpforaddr __P((struct sockaddr *, struct ifnet *)); -void ifafree __P((struct ifaddr *)); - -int looutput __P((struct ifnet *, - struct mbuf *, struct sockaddr *, struct rtentry *)); -#endif /* KERNEL */ - -#endif /* !_NET_IF_H_ */ |