2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A/*
2N/A * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
2N/A
2N/A#include "mt.h"
2N/A#include <stdlib.h>
2N/A#include <string.h>
2N/A#include <strings.h>
2N/A#include <unistd.h>
2N/A#include <errno.h>
2N/A#include <stropts.h>
2N/A#include <sys/stream.h>
2N/A#define _SUN_TPI_VERSION 2
2N/A#include <sys/tihdr.h>
2N/A#include <sys/timod.h>
2N/A#include <sys/stat.h>
2N/A#include <xti.h>
2N/A#include <fcntl.h>
2N/A#include <signal.h>
2N/A#include <assert.h>
2N/A#include <syslog.h>
2N/A#include <limits.h>
2N/A#include "tx.h"
2N/A
2N/Aint
2N/A_tx_getinfo(int fd, struct t_info *info, int api_semantics)
2N/A{
2N/A struct T_info_req *inforeqp;
2N/A struct T_info_ack *infoackp;
2N/A int retlen;
2N/A struct _ti_user *tiptr;
2N/A int retval, sv_errno, didalloc;
2N/A struct strbuf ctlbuf;
2N/A
2N/A if ((tiptr = _t_checkfd(fd, 0, api_semantics)) == 0)
2N/A return (-1);
2N/A sig_mutex_lock(&tiptr->ti_lock);
2N/A
2N/A /*
2N/A * Acquire buffer for use in sending/receiving the message.
2N/A * Note: assumes (correctly) that ti_ctlsize is large enough
2N/A * to hold sizeof (struct T_info_req/ack)
2N/A */
2N/A if (_t_acquire_ctlbuf(tiptr, &ctlbuf, &didalloc) < 0) {
2N/A sv_errno = errno;
2N/A sig_mutex_unlock(&tiptr->ti_lock);
2N/A errno = sv_errno;
2N/A return (-1);
2N/A }
2N/A
2N/A /* LINTED pointer cast */
2N/A inforeqp = (struct T_info_req *)ctlbuf.buf;
2N/A inforeqp->PRIM_type = T_INFO_REQ;
2N/A
2N/A do {
2N/A retval = _t_do_ioctl(fd, ctlbuf.buf,
2N/A (int)sizeof (struct T_info_req), TI_GETINFO, &retlen);
2N/A } while (retval < 0 && errno == EINTR);
2N/A
2N/A if (retval < 0)
2N/A goto err_out;
2N/A
2N/A if (retlen != (int)sizeof (struct T_info_ack)) {
2N/A t_errno = TSYSERR;
2N/A errno = EIO;
2N/A goto err_out;
2N/A }
2N/A
2N/A /* LINTED pointer cast */
2N/A infoackp = (struct T_info_ack *)ctlbuf.buf;
2N/A
2N/A info->addr = infoackp->ADDR_size;
2N/A info->options = infoackp->OPT_size;
2N/A info->tsdu = infoackp->TSDU_size;
2N/A info->etsdu = infoackp->ETSDU_size;
2N/A info->connect = infoackp->CDATA_size;
2N/A info->discon = infoackp->DDATA_size;
2N/A info->servtype = infoackp->SERV_type;
2N/A
2N/A if (_T_IS_XTI(api_semantics)) {
2N/A /* XTI ONLY - TLI t_info struct does not have "flags" */
2N/A info->flags = 0;
2N/A if (infoackp->PROVIDER_flag & (SENDZERO|OLD_SENDZERO))
2N/A info->flags |= T_SENDZERO;
2N/A }
2N/A if (didalloc)
2N/A free(ctlbuf.buf);
2N/A else
2N/A tiptr->ti_ctlbuf = ctlbuf.buf;
2N/A sig_mutex_unlock(&tiptr->ti_lock);
2N/A return (0);
2N/A
2N/Aerr_out:
2N/A sv_errno = errno;
2N/A if (didalloc)
2N/A free(ctlbuf.buf);
2N/A else
2N/A tiptr->ti_ctlbuf = ctlbuf.buf;
2N/A sig_mutex_unlock(&tiptr->ti_lock);
2N/A errno = sv_errno;
2N/A return (-1);
2N/A}