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Diffstat (limited to 'c/src/exec/libnetworking/sys/protosw.h')
| -rw-r--r-- | c/src/exec/libnetworking/sys/protosw.h | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/c/src/exec/libnetworking/sys/protosw.h b/c/src/exec/libnetworking/sys/protosw.h deleted file mode 100644 index a7aa52feea..0000000000 --- a/c/src/exec/libnetworking/sys/protosw.h +++ /dev/null @@ -1,300 +0,0 @@ -/*- - * 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. - * - * @(#)protosw.h 8.1 (Berkeley) 6/2/93 - * $Id$ - */ - -#ifndef _SYS_PROTOSW_H_ -#define _SYS_PROTOSW_H_ - -struct ifnet; -struct mbuf; -struct sockaddr; -struct socket; -struct sockproto; -struct stat; - -/* - * Protocol switch table. - * - * Each protocol has a handle initializing one of these structures, - * which is used for protocol-protocol and system-protocol communication. - * - * A protocol is called through the pr_init entry before any other. - * Thereafter it is called every 200ms through the pr_fasttimo entry and - * every 500ms through the pr_slowtimo for timer based actions. - * The system will call the pr_drain entry if it is low on space and - * this should throw away any non-critical data. - * - * Protocols pass data between themselves as chains of mbufs using - * the pr_input and pr_output hooks. Pr_input passes data up (towards - * UNIX) and pr_output passes it down (towards the imps); control - * information passes up and down on pr_ctlinput and pr_ctloutput. - * The protocol is responsible for the space occupied by any the - * arguments to these entries and must dispose it. - * - * The userreq routine interfaces protocols to the system and is - * described below. - */ -struct protosw { - 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 */ - void (*pr_input) __P((struct mbuf *, int len)); - /* input to protocol (from below) */ - int (*pr_output) __P((struct mbuf *m, struct socket *so)); - /* output to protocol (from above) */ - void (*pr_ctlinput)__P((int, struct sockaddr *, void *)); - /* control input (from below) */ - int (*pr_ctloutput)__P((int, struct socket *, int, int, - struct mbuf **)); - /* control output (from above) */ -/* user-protocol hook */ - int (*pr_ousrreq) __P((struct socket *, int, struct mbuf *, - struct mbuf *, struct mbuf *)); - /* user request: see list below */ -/* utility hooks */ - void (*pr_init) __P((void)); /* initialization hook */ - void (*pr_fasttimo) __P((void)); - /* fast timeout (200ms) */ - void (*pr_slowtimo) __P((void)); - /* slow timeout (500ms) */ - void (*pr_drain) __P((void)); - /* flush any excess space possible */ - struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */ -}; - -#define PR_SLOWHZ 2 /* 2 slow timeouts per second */ -#define PR_FASTHZ 5 /* 5 fast timeouts per second */ - -/* - * Values for pr_flags. - * PR_ADDR requires PR_ATOMIC; - * PR_ADDR and PR_CONNREQUIRED are mutually exclusive. - * PR_IMPLOPCL means that the protocol allows sendto without prior connect, - * and the protocol understands the MSG_EOF flag. The first property is - * is only relevant if PR_CONNREQUIRED is set (otherwise sendto is allowed - * anyhow). - */ -#define PR_ATOMIC 0x01 /* exchange atomic messages only */ -#define PR_ADDR 0x02 /* addresses given with messages */ -#define PR_CONNREQUIRED 0x04 /* connection required by protocol */ -#define PR_WANTRCVD 0x08 /* want PRU_RCVD calls */ -#define PR_RIGHTS 0x10 /* passes capabilities */ -#define PR_IMPLOPCL 0x20 /* implied open/close */ - -/* - * The arguments to usrreq are: - * (*protosw[].pr_usrreq)(up, req, m, nam, opt); - * where up is a (struct socket *), req is one of these requests, - * m is a optional mbuf chain containing a message, - * nam is an optional mbuf chain containing an address, - * and opt is a pointer to a socketopt structure or nil. - * The protocol is responsible for disposal of the mbuf chain m, - * the caller is responsible for any space held by nam and opt. - * A non-zero return from usrreq gives an - * UNIX error number which should be passed to higher level software. - */ -#define PRU_ATTACH 0 /* attach protocol to up */ -#define PRU_DETACH 1 /* detach protocol from up */ -#define PRU_BIND 2 /* bind socket to address */ -#define PRU_LISTEN 3 /* listen for connection */ -#define PRU_CONNECT 4 /* establish connection to peer */ -#define PRU_ACCEPT 5 /* accept connection from peer */ -#define PRU_DISCONNECT 6 /* disconnect from peer */ -#define PRU_SHUTDOWN 7 /* won't send any more data */ -#define PRU_RCVD 8 /* have taken data; more room now */ -#define PRU_SEND 9 /* send this data */ -#define PRU_ABORT 10 /* abort (fast DISCONNECT, DETATCH) */ -#define PRU_CONTROL 11 /* control operations on protocol */ -#define PRU_SENSE 12 /* return status into m */ -#define PRU_RCVOOB 13 /* retrieve out of band data */ -#define PRU_SENDOOB 14 /* send out of band data */ -#define PRU_SOCKADDR 15 /* fetch socket's address */ -#define PRU_PEERADDR 16 /* fetch peer's address */ -#define PRU_CONNECT2 17 /* connect two sockets */ -/* begin for protocols internal use */ -#define PRU_FASTTIMO 18 /* 200ms timeout */ -#define PRU_SLOWTIMO 19 /* 500ms timeout */ -#define PRU_PROTORCV 20 /* receive from below */ -#define PRU_PROTOSEND 21 /* send to below */ -/* end for protocol's internal use */ -#define PRU_SEND_EOF 22 /* send and close */ -#define PRU_NREQ 22 - -#ifdef PRUREQUESTS -char *prurequests[] = { - "ATTACH", "DETACH", "BIND", "LISTEN", - "CONNECT", "ACCEPT", "DISCONNECT", "SHUTDOWN", - "RCVD", "SEND", "ABORT", "CONTROL", - "SENSE", "RCVOOB", "SENDOOB", "SOCKADDR", - "PEERADDR", "CONNECT2", "FASTTIMO", "SLOWTIMO", - "PROTORCV", "PROTOSEND", - "SEND_EOF", -}; -#endif - -#ifdef KERNEL /* users shouldn't see this decl */ -struct stat; -struct ifnet; - -/* - * If the ordering here looks odd, that's because it's alphabetical. - */ -struct pr_usrreqs { - int (*pru_abort) __P((struct socket *so)); - int (*pru_accept) __P((struct socket *so, struct mbuf *nam)); - int (*pru_attach) __P((struct socket *so, int proto)); - int (*pru_bind) __P((struct socket *so, struct mbuf *nam)); - int (*pru_connect) __P((struct socket *so, struct mbuf *nam)); - int (*pru_connect2) __P((struct socket *so1, struct socket *so2)); - int (*pru_control) __P((struct socket *so, int cmd, caddr_t data, - struct ifnet *ifp)); - int (*pru_detach) __P((struct socket *so)); - int (*pru_disconnect) __P((struct socket *so)); - int (*pru_listen) __P((struct socket *so)); - int (*pru_peeraddr) __P((struct socket *so, struct mbuf *nam)); - int (*pru_rcvd) __P((struct socket *so, int flags)); - int (*pru_rcvoob) __P((struct socket *so, struct mbuf *m, - int flags)); - /* - * The `m' parameter here is almost certainly going to become a - * `struct uio' at some point in the future. Similar changes - * will probably happen for the receive entry points. - */ - int (*pru_send) __P((struct socket *so, int flags, struct mbuf *m, - struct mbuf *addr, struct mbuf *control)); -#define PRUS_OOB 0x1 -#define PRUS_EOF 0x2 - int (*pru_sense) __P((struct socket *so, struct stat *sb)); - int (*pru_shutdown) __P((struct socket *so)); - int (*pru_sockaddr) __P((struct socket *so, struct mbuf *nam)); -}; - -int pru_accept_notsupp __P((struct socket *so, struct mbuf *nam)); -int pru_connect2_notsupp __P((struct socket *so1, struct socket *so2)); -int pru_control_notsupp __P((struct socket *so, int cmd, caddr_t data, - struct ifnet *ifp)); -int pru_listen_notsupp __P((struct socket *so)); -int pru_rcvd_notsupp __P((struct socket *so, int flags)); -int pru_rcvoob_notsupp __P((struct socket *so, struct mbuf *m, int flags)); -int pru_sense_null __P((struct socket *so, struct stat *sb)); - -#define PRU_OLDSTYLE - -#ifdef PRU_OLDSTYLE -/* - * Protocols which don't yet implement pr_usrreqs can point it to this - * structure, which will call the old pr_usrreq() entry point with the - * appropriate arguments. - */ -extern struct pr_usrreqs pru_oldstyle; -#endif /* PRU_OLDSTYLE */ - -#endif /* KERNEL */ - -/* - * The arguments to the ctlinput routine are - * (*protosw[].pr_ctlinput)(cmd, sa, arg); - * where cmd is one of the commands below, sa is a pointer to a sockaddr, - * and arg is a `void *' argument used within a protocol family. - */ -#define PRC_IFDOWN 0 /* interface transition */ -#define PRC_ROUTEDEAD 1 /* select new route if possible ??? */ -#define PRC_QUENCH2 3 /* DEC congestion bit says slow down */ -#define PRC_QUENCH 4 /* some one said to slow down */ -#define PRC_MSGSIZE 5 /* message size forced drop */ -#define PRC_HOSTDEAD 6 /* host appears to be down */ -#define PRC_HOSTUNREACH 7 /* deprecated (use PRC_UNREACH_HOST) */ -#define PRC_UNREACH_NET 8 /* no route to network */ -#define PRC_UNREACH_HOST 9 /* no route to host */ -#define PRC_UNREACH_PROTOCOL 10 /* dst says bad protocol */ -#define PRC_UNREACH_PORT 11 /* bad port # */ -/* was PRC_UNREACH_NEEDFRAG 12 (use PRC_MSGSIZE) */ -#define PRC_UNREACH_SRCFAIL 13 /* source route failed */ -#define PRC_REDIRECT_NET 14 /* net routing redirect */ -#define PRC_REDIRECT_HOST 15 /* host routing redirect */ -#define PRC_REDIRECT_TOSNET 16 /* redirect for type of service & net */ -#define PRC_REDIRECT_TOSHOST 17 /* redirect for tos & host */ -#define PRC_TIMXCEED_INTRANS 18 /* packet lifetime expired in transit */ -#define PRC_TIMXCEED_REASS 19 /* lifetime expired on reass q */ -#define PRC_PARAMPROB 20 /* header incorrect */ - -#define PRC_NCMDS 21 - -#define PRC_IS_REDIRECT(cmd) \ - ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST) - -#ifdef PRCREQUESTS -char *prcrequests[] = { - "IFDOWN", "ROUTEDEAD", "#2", "DEC-BIT-QUENCH2", - "QUENCH", "MSGSIZE", "HOSTDEAD", "#7", - "NET-UNREACH", "HOST-UNREACH", "PROTO-UNREACH", "PORT-UNREACH", - "#12", "SRCFAIL-UNREACH", "NET-REDIRECT", "HOST-REDIRECT", - "TOSNET-REDIRECT", "TOSHOST-REDIRECT", "TX-INTRANS", "TX-REASS", - "PARAMPROB" -}; -#endif - -/* - * The arguments to ctloutput are: - * (*protosw[].pr_ctloutput)(req, so, level, optname, optval); - * req is one of the actions listed below, so is a (struct socket *), - * level is an indication of which protocol layer the option is intended. - * optname is a protocol dependent socket option request, - * optval is a pointer to a mbuf-chain pointer, for value-return results. - * The protocol is responsible for disposal of the mbuf chain *optval - * if supplied, - * the caller is responsible for any space held by *optval, when returned. - * A non-zero return from usrreq gives an - * UNIX error number which should be passed to higher level software. - */ -#define PRCO_GETOPT 0 -#define PRCO_SETOPT 1 - -#define PRCO_NCMDS 2 - -#ifdef PRCOREQUESTS -char *prcorequests[] = { - "GETOPT", "SETOPT", -}; -#endif - -#ifdef KERNEL -struct protosw *pffindproto __P((int family, int protocol, int type)); -struct protosw *pffindtype __P((int family, int type)); -#endif - -#endif |