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759 lines
20 KiB
C
759 lines
20 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)tp_usrreq.c 8.1 (Berkeley) 6/10/93
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* $Id: tp_usrreq.c,v 1.3 1995/04/26 21:32:42 pst Exp $
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*/
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/***********************************************************
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Copyright IBM Corporation 1987
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of IBM not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
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*/
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/*
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* ARGO TP
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*
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* $Header: /home/ncvs/src/sys/netiso/tp_usrreq.c,v 1.3 1995/04/26 21:32:42 pst Exp $
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* $Source: /home/ncvs/src/sys/netiso/tp_usrreq.c,v $
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*
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* tp_usrreq(), the fellow that gets called from most of the socket code.
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* Pretty straighforward.
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* THe only really awful stuff here is the OOB processing, which is done
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* wholly here.
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* tp_rcvoob() and tp_sendoob() are contained here and called by tp_usrreq().
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/domain.h>
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#include <sys/protosw.h>
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#include <sys/errno.h>
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#include <sys/time.h>
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#include <sys/queue.h>
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#include <netiso/tp_param.h>
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#include <netiso/tp_timer.h>
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#include <netiso/tp_stat.h>
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#include <netiso/tp_seq.h>
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#include <netiso/tp_ip.h>
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#include <netiso/tp_pcb.h>
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#include <netiso/argo_debug.h>
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#include <netiso/tp_trace.h>
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#include <netiso/tp_meas.h>
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#include <netiso/iso.h>
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#include <netiso/iso_errno.h>
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int tp_attach(), tp_driver(), tp_pcbbind();
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int TNew;
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int TPNagle1, TPNagle2;
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struct tp_pcb *tp_listeners, *tp_intercepts;
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#ifdef ARGO_DEBUG
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/*
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* CALLED FROM:
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* anywhere you want to debug...
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* FUNCTION and ARGUMENTS:
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* print (str) followed by the control info in the mbufs of an mbuf chain (n)
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*/
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void
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dump_mbuf(n, str)
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struct mbuf *n;
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char *str;
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{
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struct mbuf *nextrecord;
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printf("dump %s\n", str);
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if (n == MNULL) {
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printf("EMPTY:\n");
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return;
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}
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while (n) {
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nextrecord = n->m_act;
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printf("RECORD:\n");
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while (n) {
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printf("%x : Len %x Data %x A %x Nx %x Tp %x\n",
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n, n->m_len, n->m_data, n->m_act, n->m_next, n->m_type);
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#ifdef notdef
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{
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register char *p = mtod(n, char *);
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register int i;
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printf("data: ");
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for (i = 0; i < n->m_len; i++) {
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if (i%8 == 0)
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printf("\n");
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printf("0x%x ", *(p+i));
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}
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printf("\n");
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}
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#endif /* notdef */
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if (n->m_next == n) {
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printf("LOOP!\n");
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return;
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}
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n = n->m_next;
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}
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n = nextrecord;
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}
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printf("\n");
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}
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#endif /* ARGO_DEBUG */
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/*
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* CALLED FROM:
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* tp_usrreq(), PRU_RCVOOB
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* FUNCTION and ARGUMENTS:
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* Copy data from the expedited data socket buffer into
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* the pre-allocated mbuf m.
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* There is an isomorphism between XPD TPDUs and expedited data TSDUs.
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* XPD tpdus are limited to 16 bytes of data so they fit in one mbuf.
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* RETURN VALUE:
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* EINVAL if debugging is on and a disaster has occurred
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* ENOTCONN if the socket isn't connected
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* EWOULDBLOCK if the socket is in non-blocking mode and there's no
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* xpd data in the buffer
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* E* whatever is returned from the fsm.
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*/
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tp_rcvoob(tpcb, so, m, outflags, inflags)
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struct tp_pcb *tpcb;
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register struct socket *so;
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register struct mbuf *m;
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int *outflags;
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int inflags;
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{
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register struct mbuf *n;
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register struct sockbuf *sb = &so->so_rcv;
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struct tp_event E;
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int error = 0;
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register struct mbuf **nn;
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IFDEBUG(D_XPD)
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printf("PRU_RCVOOB, sostate 0x%x\n", so->so_state);
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ENDDEBUG
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/* if you use soreceive */
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if (m == MNULL)
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return ENOBUFS;
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restart:
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if ((((so->so_state & SS_ISCONNECTED) == 0)
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|| (so->so_state & SS_ISDISCONNECTING) != 0) &&
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(so->so_proto->pr_flags & PR_CONNREQUIRED)) {
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return ENOTCONN;
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}
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/* Take the first mbuf off the chain.
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* Each XPD TPDU gives you a complete TSDU so the chains don't get
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* coalesced, but one TSDU may span several mbufs.
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* Nevertheless, since n should have a most 16 bytes, it
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* will fit into m. (size was checked in tp_input() )
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*/
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/*
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* Code for excision of OOB data should be added to
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* uipc_socket2.c (like sbappend).
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*/
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sblock(sb, M_WAITOK);
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for (nn = &sb->sb_mb; n = *nn; nn = &n->m_act)
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if (n->m_type == MT_OOBDATA)
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break;
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if (n == 0) {
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IFDEBUG(D_XPD)
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printf("RCVOOB: empty queue!\n");
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ENDDEBUG
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sbunlock(sb);
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if (so->so_state & SS_NBIO) {
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return EWOULDBLOCK;
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}
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sbwait(sb);
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goto restart;
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}
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m->m_len = 0;
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/* Assuming at most one xpd tpdu is in the buffer at once */
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while (n != MNULL) {
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m->m_len += n->m_len;
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bcopy(mtod(n, caddr_t), mtod(m, caddr_t), (unsigned)n->m_len);
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m->m_data += n->m_len; /* so mtod() in bcopy() above gives right addr */
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n = n->m_next;
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}
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m->m_data = m->m_dat;
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m->m_flags |= M_EOR;
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IFDEBUG(D_XPD)
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printf("tp_rcvoob: xpdlen 0x%x\n", m->m_len);
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dump_mbuf(so->so_rcv.sb_mb, "RCVOOB: Rcv socketbuf");
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dump_mbuf(sb->sb_mb, "RCVOOB: Xrcv socketbuf");
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ENDDEBUG
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if ((inflags & MSG_PEEK) == 0) {
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n = *nn;
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*nn = n->m_act;
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for (; n; n = m_free(n))
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sbfree(sb, n);
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}
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release:
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sbunlock(sb);
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IFTRACE(D_XPD)
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tptraceTPCB(TPPTmisc, "PRU_RCVOOB @ release sb_cc m_len",
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tpcb->tp_Xrcv.sb_cc, m->m_len, 0, 0);
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ENDTRACE
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if (error == 0)
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error = DoEvent(T_USR_Xrcvd);
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return error;
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}
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/*
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* CALLED FROM:
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* tp_usrreq(), PRU_SENDOOB
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* FUNCTION and ARGUMENTS:
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* Send what's in the mbuf chain (m) as an XPD TPDU.
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* The mbuf may not contain more then 16 bytes of data.
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* XPD TSDUs aren't segmented, so they translate into
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* exactly one XPD TPDU, with EOT bit set.
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* RETURN VALUE:
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* EWOULDBLOCK if socket is in non-blocking mode and the previous
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* xpd data haven't been acked yet.
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* EMSGSIZE if trying to send > max-xpd bytes (16)
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* ENOBUFS if ran out of mbufs
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*/
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tp_sendoob(tpcb, so, xdata, outflags)
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struct tp_pcb *tpcb;
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register struct socket *so;
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register struct mbuf *xdata;
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int *outflags; /* not used */
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{
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/*
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* Each mbuf chain represents a sequence # in the XPD seq space.
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* The first one in the queue has sequence # tp_Xuna.
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* When we add to the XPD queue, we stuff a zero-length
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* mbuf (mark) into the DATA queue, with its sequence number in m_next
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* to be assigned to this XPD tpdu, so data xfer can stop
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* when it reaches the zero-length mbuf if this XPD TPDU hasn't
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* yet been acknowledged.
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*/
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register struct sockbuf *sb = &(tpcb->tp_Xsnd);
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register struct mbuf *xmark;
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register int len=0;
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struct tp_event E;
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IFDEBUG(D_XPD)
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printf("tp_sendoob:");
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if (xdata)
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printf("xdata len 0x%x\n", xdata->m_len);
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ENDDEBUG
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/* DO NOT LOCK the Xsnd buffer!!!! You can have at MOST one
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* socket buf locked at any time!!! (otherwise you might
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* sleep() in sblock() w/ a signal pending and cause the
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* system call to be aborted w/ a locked socketbuf, which
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* is a problem. So the so_snd buffer lock
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* (done in sosend()) serves as the lock for Xpd.
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*/
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if (sb->sb_mb) { /* Anything already in eXpedited data sockbuf? */
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if (so->so_state & SS_NBIO) {
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return EWOULDBLOCK;
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}
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while (sb->sb_mb) {
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sbunlock(&so->so_snd); /* already locked by sosend */
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sbwait(&so->so_snd);
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sblock(&so->so_snd, M_WAITOK); /* sosend will unlock on return */
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}
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}
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if (xdata == (struct mbuf *)0) {
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/* empty xpd packet */
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MGETHDR(xdata, M_WAIT, MT_OOBDATA);
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if (xdata == NULL) {
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return ENOBUFS;
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}
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xdata->m_len = 0;
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xdata->m_pkthdr.len = 0;
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}
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IFDEBUG(D_XPD)
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printf("tp_sendoob 1:");
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if (xdata)
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printf("xdata len 0x%x\n", xdata->m_len);
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ENDDEBUG
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xmark = xdata; /* temporary use of variable xmark */
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while (xmark) {
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len += xmark->m_len;
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xmark = xmark->m_next;
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}
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if (len > TP_MAX_XPD_DATA) {
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return EMSGSIZE;
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}
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IFDEBUG(D_XPD)
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printf("tp_sendoob 2:");
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if (xdata)
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printf("xdata len 0x%x\n", len);
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ENDDEBUG
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IFTRACE(D_XPD)
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tptraceTPCB(TPPTmisc, "XPD mark m_next ", xdata->m_next, 0, 0, 0);
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ENDTRACE
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sbappendrecord(sb, xdata);
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IFDEBUG(D_XPD)
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printf("tp_sendoob len 0x%x\n", len);
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dump_mbuf(so->so_snd.sb_mb, "XPD request Regular sndbuf:");
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dump_mbuf(tpcb->tp_Xsnd.sb_mb, "XPD request Xsndbuf:");
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ENDDEBUG
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return DoEvent(T_XPD_req);
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}
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/*
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* CALLED FROM:
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* the socket routines
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* FUNCTION and ARGUMENTS:
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* Handles all "user requests" except the [gs]ockopts() requests.
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* The argument (req) is the request type (PRU*),
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* (m) is an mbuf chain, generally used for send and
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* receive type requests only.
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* (nam) is used for addresses usually, in particular for the bind request.
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*
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*/
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/*ARGSUSED*/
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ProtoHook
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tp_usrreq(so, req, m, nam, controlp)
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struct socket *so;
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u_int req;
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struct mbuf *m, *nam, *controlp;
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{
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register struct tp_pcb *tpcb = sototpcb(so);
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int s = splnet();
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int error = 0;
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int flags, *outflags = &flags;
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u_long eotsdu = 0;
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struct tp_event E;
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IFDEBUG(D_REQUEST)
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printf("usrreq(0x%x,%d,0x%x,0x%x,0x%x)\n",so,req,m,nam,outflags);
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if (so->so_error)
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printf("WARNING!!! so->so_error is 0x%x\n", so->so_error);
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ENDDEBUG
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IFTRACE(D_REQUEST)
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tptraceTPCB(TPPTusrreq, "req so m state [", req, so, m,
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tpcb?tpcb->tp_state:0);
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ENDTRACE
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if ((u_int)tpcb == 0 && req != PRU_ATTACH) {
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IFTRACE(D_REQUEST)
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tptraceTPCB(TPPTusrreq, "req failed NO TPCB[", 0, 0, 0, 0);
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ENDTRACE
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splx(s);
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return ENOTCONN;
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}
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switch (req) {
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case PRU_ATTACH:
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if (tpcb) {
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error = EISCONN;
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} else if ((error = tp_attach(so, (int)nam)) == 0)
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tpcb = sototpcb(so);
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break;
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case PRU_ABORT: /* called from close() */
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/* called for each incoming connect queued on the
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* parent (accepting) socket
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*/
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if (tpcb->tp_state == TP_OPEN || tpcb->tp_state == TP_CONFIRMING) {
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E.ATTR(T_DISC_req).e_reason = E_TP_NO_SESSION;
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error = DoEvent(T_DISC_req); /* pretend it was a close() */
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break;
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} /* else DROP THROUGH */
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case PRU_DETACH: /* called from close() */
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/* called only after disconnect was called */
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error = DoEvent(T_DETACH);
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if (tpcb->tp_state == TP_CLOSED) {
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if (tpcb->tp_notdetached) {
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IFDEBUG(D_CONN)
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printf("PRU_DETACH: not detached\n");
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ENDDEBUG
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tp_detach(tpcb);
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}
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free((caddr_t)tpcb, M_PCB);
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tpcb = 0;
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}
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break;
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case PRU_SHUTDOWN:
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/* recv end may have been released; local credit might be zero */
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case PRU_DISCONNECT:
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E.ATTR(T_DISC_req).e_reason = E_TP_NORMAL_DISC;
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error = DoEvent(T_DISC_req);
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break;
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case PRU_BIND:
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error = tp_pcbbind(tpcb, nam);
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break;
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case PRU_LISTEN:
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if (tpcb->tp_state != TP_CLOSED || tpcb->tp_lsuffixlen == 0 ||
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tpcb->tp_next == 0)
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error = EINVAL;
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else {
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register struct tp_pcb **tt;
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remque(tpcb);
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tpcb->tp_next = tpcb->tp_prev = tpcb;
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for (tt = &tp_listeners; *tt; tt = &((*tt)->tp_nextlisten))
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if ((*tt)->tp_lsuffixlen)
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break;
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tpcb->tp_nextlisten = *tt;
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*tt = tpcb;
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error = DoEvent(T_LISTEN_req);
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}
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break;
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case PRU_CONNECT2:
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error = EOPNOTSUPP; /* for unix domain sockets */
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break;
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case PRU_CONNECT:
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IFTRACE(D_CONN)
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tptraceTPCB(TPPTmisc,
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"PRU_CONNECT: so 0x%x *SHORT_LSUFXP(tpcb) 0x%x lsuflen 0x%x, class 0x%x",
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tpcb->tp_sock, *SHORT_LSUFXP(tpcb), tpcb->tp_lsuffixlen,
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tpcb->tp_class);
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ENDTRACE
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IFDEBUG(D_CONN)
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printf("PRU_CONNECT: so *SHORT_LSUFXP(tpcb) 0x%x lsuflen 0x%x, class 0x%x",
|
|
tpcb->tp_sock, *SHORT_LSUFXP(tpcb), tpcb->tp_lsuffixlen,
|
|
tpcb->tp_class);
|
|
ENDDEBUG
|
|
if (tpcb->tp_lsuffixlen == 0) {
|
|
if (error = tp_pcbbind(tpcb, MNULL)) {
|
|
IFDEBUG(D_CONN)
|
|
printf("pcbbind returns error 0x%x\n", error);
|
|
ENDDEBUG
|
|
break;
|
|
}
|
|
}
|
|
IFDEBUG(D_CONN)
|
|
printf("isop 0x%x isop->isop_socket offset 12 :\n", tpcb->tp_npcb);
|
|
dump_buf(tpcb->tp_npcb, 16);
|
|
ENDDEBUG
|
|
if (error = tp_route_to(nam, tpcb, /* channel */0))
|
|
break;
|
|
IFDEBUG(D_CONN)
|
|
printf(
|
|
"PRU_CONNECT after tpcb 0x%x so 0x%x npcb 0x%x flags 0x%x\n",
|
|
tpcb, so, tpcb->tp_npcb, tpcb->tp_flags);
|
|
printf("isop 0x%x isop->isop_socket offset 12 :\n", tpcb->tp_npcb);
|
|
dump_buf(tpcb->tp_npcb, 16);
|
|
ENDDEBUG
|
|
if (tpcb->tp_fsuffixlen == 0) {
|
|
/* didn't set peer extended suffix */
|
|
(tpcb->tp_nlproto->nlp_getsufx)(tpcb->tp_npcb, &tpcb->tp_fsuffixlen,
|
|
tpcb->tp_fsuffix, TP_FOREIGN);
|
|
}
|
|
if (tpcb->tp_state == TP_CLOSED) {
|
|
soisconnecting(so);
|
|
error = DoEvent(T_CONN_req);
|
|
} else {
|
|
(tpcb->tp_nlproto->nlp_pcbdisc)(tpcb->tp_npcb);
|
|
error = EISCONN;
|
|
}
|
|
IFPERF(tpcb)
|
|
u_int lsufx, fsufx;
|
|
lsufx = *(u_short *)(tpcb->tp_lsuffix);
|
|
fsufx = *(u_short *)(tpcb->tp_fsuffix);
|
|
|
|
tpmeas(tpcb->tp_lref,
|
|
TPtime_open | (tpcb->tp_xtd_format << 4),
|
|
&time, lsufx, fsufx, tpcb->tp_fref);
|
|
ENDPERF
|
|
break;
|
|
|
|
case PRU_ACCEPT:
|
|
(tpcb->tp_nlproto->nlp_getnetaddr)(tpcb->tp_npcb, nam, TP_FOREIGN);
|
|
IFDEBUG(D_REQUEST)
|
|
printf("ACCEPT PEERADDDR:");
|
|
dump_buf(mtod(nam, char *), nam->m_len);
|
|
ENDDEBUG
|
|
IFPERF(tpcb)
|
|
u_int lsufx, fsufx;
|
|
lsufx = *(u_short *)(tpcb->tp_lsuffix);
|
|
fsufx = *(u_short *)(tpcb->tp_fsuffix);
|
|
|
|
tpmeas(tpcb->tp_lref, TPtime_open,
|
|
&time, lsufx, fsufx, tpcb->tp_fref);
|
|
ENDPERF
|
|
break;
|
|
|
|
case PRU_RCVD:
|
|
if (so->so_state & SS_ISCONFIRMING) {
|
|
if (tpcb->tp_state == TP_CONFIRMING)
|
|
error = tp_confirm(tpcb);
|
|
break;
|
|
}
|
|
IFTRACE(D_DATA)
|
|
tptraceTPCB(TPPTmisc,
|
|
"RCVD BF: lcredit sent_lcdt cc hiwat \n",
|
|
tpcb->tp_lcredit, tpcb->tp_sent_lcdt,
|
|
so->so_rcv.sb_cc, so->so_rcv.sb_hiwat);
|
|
LOCAL_CREDIT(tpcb);
|
|
tptraceTPCB(TPPTmisc,
|
|
"PRU_RCVD AF sbspace lcredit hiwat cc",
|
|
sbspace(&so->so_rcv), tpcb->tp_lcredit,
|
|
so->so_rcv.sb_cc, so->so_rcv.sb_hiwat);
|
|
ENDTRACE
|
|
IFDEBUG(D_REQUEST)
|
|
printf("RCVD: cc %d space %d hiwat %d\n",
|
|
so->so_rcv.sb_cc, sbspace(&so->so_rcv),
|
|
so->so_rcv.sb_hiwat);
|
|
ENDDEBUG
|
|
if (((int)nam) & MSG_OOB)
|
|
error = DoEvent(T_USR_Xrcvd);
|
|
else
|
|
error = DoEvent(T_USR_rcvd);
|
|
break;
|
|
|
|
case PRU_RCVOOB:
|
|
if ((so->so_state & SS_ISCONNECTED) == 0) {
|
|
error = ENOTCONN;
|
|
break;
|
|
}
|
|
if (! tpcb->tp_xpd_service) {
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
}
|
|
/* kludge - nam is really flags here */
|
|
error = tp_rcvoob(tpcb, so, m, outflags, (int)nam);
|
|
break;
|
|
|
|
case PRU_SEND:
|
|
case PRU_SENDOOB:
|
|
if (controlp) {
|
|
error = tp_snd_control(controlp, so, &m);
|
|
controlp = NULL;
|
|
if (error)
|
|
break;
|
|
}
|
|
if ((so->so_state & SS_ISCONFIRMING) &&
|
|
(tpcb->tp_state == TP_CONFIRMING) &&
|
|
(error = tp_confirm(tpcb)))
|
|
break;
|
|
if (req == PRU_SENDOOB) {
|
|
error = (tpcb->tp_xpd_service == 0) ?
|
|
EOPNOTSUPP : tp_sendoob(tpcb, so, m, outflags);
|
|
break;
|
|
}
|
|
if (m == 0)
|
|
break;
|
|
if (m->m_flags & M_EOR) {
|
|
eotsdu = 1;
|
|
m->m_flags &= ~M_EOR;
|
|
}
|
|
if (eotsdu == 0 && m->m_pkthdr.len == 0)
|
|
break;
|
|
if (tpcb->tp_state != TP_AKWAIT && tpcb->tp_state != TP_OPEN) {
|
|
error = ENOTCONN;
|
|
break;
|
|
}
|
|
/*
|
|
* The protocol machine copies mbuf chains,
|
|
* prepends headers, assigns seq numbers, and
|
|
* puts the packets on the device.
|
|
* When they are acked they are removed from the socket buf.
|
|
*
|
|
* sosend calls this up until sbspace goes negative.
|
|
* Sbspace may be made negative by appending this mbuf chain,
|
|
* possibly by a whole cluster.
|
|
*/
|
|
{
|
|
/*
|
|
* Could have eotsdu and no data.(presently MUST have
|
|
* an mbuf though, even if its length == 0)
|
|
*/
|
|
int totlen = m->m_pkthdr.len;
|
|
struct sockbuf *sb = &so->so_snd;
|
|
IFPERF(tpcb)
|
|
PStat(tpcb, Nb_from_sess) += totlen;
|
|
tpmeas(tpcb->tp_lref, TPtime_from_session, 0, 0,
|
|
PStat(tpcb, Nb_from_sess), totlen);
|
|
ENDPERF
|
|
IFDEBUG(D_SYSCALL)
|
|
printf(
|
|
"PRU_SEND: eot %d before sbappend 0x%x len 0x%x to sb @ 0x%x\n",
|
|
eotsdu, m, totlen, sb);
|
|
dump_mbuf(sb->sb_mb, "so_snd.sb_mb");
|
|
dump_mbuf(m, "m : to be added");
|
|
ENDDEBUG
|
|
tp_packetize(tpcb, m, eotsdu);
|
|
IFDEBUG(D_SYSCALL)
|
|
printf("PRU_SEND: eot %d after sbappend 0x%x\n", eotsdu, m);
|
|
dump_mbuf(sb->sb_mb, "so_snd.sb_mb");
|
|
ENDDEBUG
|
|
if (tpcb->tp_state == TP_OPEN)
|
|
error = DoEvent(T_DATA_req);
|
|
IFDEBUG(D_SYSCALL)
|
|
printf("PRU_SEND: after driver error 0x%x \n",error);
|
|
printf("so_snd 0x%x cc 0t%d mbcnt 0t%d\n",
|
|
sb, sb->sb_cc, sb->sb_mbcnt);
|
|
dump_mbuf(sb->sb_mb, "so_snd.sb_mb after driver");
|
|
ENDDEBUG
|
|
}
|
|
break;
|
|
|
|
case PRU_SOCKADDR:
|
|
(tpcb->tp_nlproto->nlp_getnetaddr)(tpcb->tp_npcb, nam, TP_LOCAL);
|
|
break;
|
|
|
|
case PRU_PEERADDR:
|
|
(tpcb->tp_nlproto->nlp_getnetaddr)(tpcb->tp_npcb, nam, TP_FOREIGN);
|
|
break;
|
|
|
|
case PRU_CONTROL:
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
|
|
case PRU_PROTOSEND:
|
|
case PRU_PROTORCV:
|
|
case PRU_SENSE:
|
|
case PRU_SLOWTIMO:
|
|
case PRU_FASTTIMO:
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
|
|
default:
|
|
#ifdef ARGO_DEBUG
|
|
printf("tp_usrreq UNKNOWN PRU %d\n", req);
|
|
#endif /* ARGO_DEBUG */
|
|
error = EOPNOTSUPP;
|
|
}
|
|
|
|
IFDEBUG(D_REQUEST)
|
|
printf("%s, so 0x%x, tpcb 0x%x, error %d, state %d\n",
|
|
"returning from tp_usrreq", so, tpcb, error,
|
|
tpcb ? tpcb->tp_state : 0);
|
|
ENDDEBUG
|
|
IFTRACE(D_REQUEST)
|
|
tptraceTPCB(TPPTusrreq, "END req so m state [", req, so, m,
|
|
tpcb ? tpcb->tp_state : 0);
|
|
ENDTRACE
|
|
if (controlp) {
|
|
m_freem(controlp);
|
|
printf("control data unexpectedly retained in tp_usrreq()");
|
|
}
|
|
splx(s);
|
|
return error;
|
|
}
|
|
tp_ltrace(so, uio)
|
|
struct socket *so;
|
|
struct uio *uio;
|
|
{
|
|
IFTRACE(D_DATA)
|
|
register struct tp_pcb *tpcb = sototpcb(so);
|
|
if (tpcb) {
|
|
tptraceTPCB(TPPTmisc, "sosend so resid iovcnt", so,
|
|
uio->uio_resid, uio->uio_iovcnt, 0);
|
|
}
|
|
ENDTRACE
|
|
}
|
|
|
|
tp_confirm(tpcb)
|
|
register struct tp_pcb *tpcb;
|
|
{
|
|
struct tp_event E;
|
|
if (tpcb->tp_state == TP_CONFIRMING)
|
|
return DoEvent(T_ACPT_req);
|
|
printf("Tp confirm called when not confirming; tpcb 0x%x, state 0x%x\n",
|
|
tpcb, tpcb->tp_state);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Process control data sent with sendmsg()
|
|
*/
|
|
tp_snd_control(m, so, data)
|
|
struct mbuf *m;
|
|
struct socket *so;
|
|
register struct mbuf **data;
|
|
{
|
|
register struct cmsghdr *ch;
|
|
int error = 0;
|
|
|
|
if (m && m->m_len) {
|
|
ch = mtod(m, struct cmsghdr *);
|
|
m->m_len -= sizeof (*ch);
|
|
m->m_data += sizeof (*ch);
|
|
error = tp_ctloutput(PRCO_SETOPT,
|
|
so, ch->cmsg_level, ch->cmsg_type, &m);
|
|
if (ch->cmsg_type == TPOPT_DISC_DATA) {
|
|
if (data && *data) {
|
|
m_freem(*data);
|
|
*data = 0;
|
|
}
|
|
error = tp_usrreq(so, PRU_DISCONNECT, (struct mbuf *)0,
|
|
(caddr_t)0, (struct mbuf *)0);
|
|
}
|
|
}
|
|
if (m)
|
|
m_freem(m);
|
|
return error;
|
|
}
|