/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* bos720 src/bos/kernel/sys/protosw.h 1.15.6.1 */ /* */ /* Licensed Materials - Property of IBM */ /* */ /* COPYRIGHT International Business Machines Corp. 1988,1993 */ /* All Rights Reserved */ /* */ /* US Government Users Restricted Rights - Use, duplication or */ /* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */ /* */ /* IBM_PROLOG_END_TAG */ /* @(#)97 1.15.6.1 src/bos/kernel/sys/protosw.h, sockinc, bos720, 1508A_720 1/27/15 13:46:18 */ /* * COMPONENT_NAME: SOCKINC * * FUNCTIONS: PRC_IS_REDIRECT * * * ORIGINS: 26,27,85 * * * (C) COPYRIGHT International Business Machines Corp. 1988,1993 * All Rights Reserved * Licensed Materials - Property of IBM * US Government Users Restricted Rights - Use, duplication or * disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */ /* * (c) Copyright 1990, 1991, 1992, 1993 OPEN SOFTWARE FOUNDATION, INC. * ALL RIGHTS RESERVED */ /* * OSF/1 1.2 */ /* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * Base: protosw.h 7.4 (Berkeley) 9/4/89 * Merged: protosw.h 7.6 (Berkeley) 6/28/90 */ #ifndef _SYS_PROTOSW_H_ #define _SYS_PROTOSW_H_ #ifdef __cplusplus struct domain; #ifndef CONST #define CONST const #endif #endif /* * 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 */ #ifdef _KERNEL int (*pr_input)(); /* prototypes per-domain */ int (*pr_output)(); /* prototypes per-domain */ void (*pr_ctlinput)(int, struct sockaddr *, caddr_t); int (*pr_ctloutput)(int, struct socket *, int, int, struct mbuf **); int (*pr_usrreq)(struct socket *, int, struct mbuf *, struct mbuf *, struct mbuf *); int (*pr_send)(struct socket *, struct mbuf *, struct uio *, struct mbuf *, struct mbuf *, int); int (*pr_receive)(struct socket *, struct mbuf **, struct uio *, struct mbuf **, struct mbuf **, int *); void (*pr_init)(void); void (*pr_fasttimo)(void); void (*pr_slowtimo)(void); void (*pr_drain)(void); #else /* protocol-protocol hooks */ int (*pr_input)(); /* input to protocol (from below) */ int (*pr_output)(); /* output to protocol (from above) */ void (*pr_ctlinput)(); /* control input (from below) */ int (*pr_ctloutput)(); /* control output (from above) */ /* user-protocol hook */ int (*pr_usrreq)(); /* user request: see list below */ int (*pr_send)(); /* protocol-specific sosend */ int (*pr_receive)(); /* protocol-specific soreceive */ /* utility hooks */ void (*pr_init)(); /* initialization hook */ void (*pr_fasttimo)(); /* fast timeout (200ms) */ void (*pr_slowtimo)(); /* slow timeout (500ms) */ void (*pr_drain)(); /* flush any excess space possible */ #endif }; #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. */ #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_64BIT 0x20 /* 64 bit supported */ #define PR_INP 0x40 /* The socket's so_pcb field points to*/ /* a inpcb */ #define PR_MLS 0x100 /* protocol supports MLS labeling */ #define PR_MLS_1_LABEL 0x200 /* protocol supports sending single MLS label per data stream */ #define PR_ARGEXT 0x400 /* protocol supports argextension for pr_receive vector */ #define PR_NOEOR 0x4000 /* Records not supported */ #define PR_INTRLEVEL 0x8000 /* Protocol runs on interrupt level */ /* * The arguments to usrreq are: * (*protosw[].pr_usrreq)(up, req, m, nam, control); * 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 control is a pointer to a control chain or nil. * The protocol is responsible for disposal of the mbuf chain m, * the caller is responsible for any space held by nam and control. * 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, DETACH) */ #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 */ #define PRU_SEND_AND_DISCONNECT 22 /* disconnect after send */ #define PRU_DYNBIND 23 /* dynamically bind an address */ #define PRU_SPLICE 24 /* used by splice() for tcp splicing */ #define PRU_DISCONNECTREUSE 25 /* disconnect from peer but allow reuse of socket */ #define PRU_PEEREID 26 /* fetch peer's eid */ #define PRU_PEERID 27 /* fetch peer's pid, tid, euid and egid */ #define PRU_NODELAY 28 /* nagle override */ #define PRU_NREQ 29 /* should be the max # of requests */ #define PRU_DETACH_SCTP_NOLOCK 30 /* call sctp_close without INPCB lock held */ #ifndef CONST #define CONST #endif #ifdef PRUREQUESTS CONST 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_AND_DISCONNECT", "DYNBIND", "SPLICE", "DISCONNECTREUSE", "PEEREID", "PEERID", "NODELAY", "NREQ", "DETACH_SCTP_NOLOCK" }; #endif /* * 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 an optional caddr_t 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_IFATTACH 21 /* if attach notification */ #define PRC_IFDETACH 22 /* if detach notification */ #define PRC_QOS 23 /* Quality Of Service request */ #define PRC_NCMDS 24 #define PRC_IS_REDIRECT(cmd) \ ((cmd) >= PRC_REDIRECT_NET && (cmd) <= PRC_REDIRECT_TOSHOST) #ifdef PRCREQUESTS CONST 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", "IFATTACH", "IFDETACH" }; #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 CONST char *prcorequests[] = { "GETOPT", "SETOPT" }; #endif #endif