1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate /* 31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*0Sstevel@tonic-gate * The Regents of the University of California 33*0Sstevel@tonic-gate * All Rights Reserved 34*0Sstevel@tonic-gate * 35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*0Sstevel@tonic-gate * contributors. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * Contains the following utility functions: 44*0Sstevel@tonic-gate * tli_send: 45*0Sstevel@tonic-gate * tli_recv: 46*0Sstevel@tonic-gate * get_ok_ack: 47*0Sstevel@tonic-gate * 48*0Sstevel@tonic-gate * Returns: 49*0Sstevel@tonic-gate * See individual functions. 50*0Sstevel@tonic-gate */ 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate #include <sys/param.h> 53*0Sstevel@tonic-gate #include <sys/types.h> 54*0Sstevel@tonic-gate #include <sys/proc.h> 55*0Sstevel@tonic-gate #include <sys/file.h> 56*0Sstevel@tonic-gate #include <sys/user.h> 57*0Sstevel@tonic-gate #include <sys/vnode.h> 58*0Sstevel@tonic-gate #include <sys/errno.h> 59*0Sstevel@tonic-gate #include <sys/stream.h> 60*0Sstevel@tonic-gate #include <sys/ioctl.h> 61*0Sstevel@tonic-gate #include <sys/stropts.h> 62*0Sstevel@tonic-gate #include <sys/strsubr.h> 63*0Sstevel@tonic-gate #include <sys/tihdr.h> 64*0Sstevel@tonic-gate #include <sys/timod.h> 65*0Sstevel@tonic-gate #include <sys/tiuser.h> 66*0Sstevel@tonic-gate #include <sys/t_kuser.h> 67*0Sstevel@tonic-gate #include <inet/common.h> 68*0Sstevel@tonic-gate #include <inet/mi.h> 69*0Sstevel@tonic-gate #include <netinet/ip6.h> 70*0Sstevel@tonic-gate #include <inet/ip.h> 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate extern int getiocseqno(void); 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate int 75*0Sstevel@tonic-gate tli_send(TIUSER *tiptr, mblk_t *bp, int fmode) 76*0Sstevel@tonic-gate { 77*0Sstevel@tonic-gate vnode_t *vp; 78*0Sstevel@tonic-gate int error; 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate vp = tiptr->fp->f_vnode; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * Send data honoring flow control and errors 84*0Sstevel@tonic-gate */ 85*0Sstevel@tonic-gate error = kstrputmsg(vp, bp, NULL, 0, 0, MSG_BAND | MSG_HOLDSIG, fmode); 86*0Sstevel@tonic-gate return (error); 87*0Sstevel@tonic-gate } 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate int 90*0Sstevel@tonic-gate tli_recv(TIUSER *tiptr, mblk_t **bp, int fmode) 91*0Sstevel@tonic-gate { 92*0Sstevel@tonic-gate vnode_t *vp; 93*0Sstevel@tonic-gate int error; 94*0Sstevel@tonic-gate uchar_t pri; 95*0Sstevel@tonic-gate int pflag; 96*0Sstevel@tonic-gate rval_t rval; 97*0Sstevel@tonic-gate clock_t timout; 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate vp = tiptr->fp->f_vnode; 100*0Sstevel@tonic-gate if (fmode & (FNDELAY|FNONBLOCK)) 101*0Sstevel@tonic-gate timout = 0; 102*0Sstevel@tonic-gate else 103*0Sstevel@tonic-gate timout = -1; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate pflag = MSG_ANY; 106*0Sstevel@tonic-gate pri = 0; 107*0Sstevel@tonic-gate *bp = NULL; 108*0Sstevel@tonic-gate error = kstrgetmsg(vp, bp, NULL, &pri, &pflag, timout, &rval); 109*0Sstevel@tonic-gate if (error == ETIME) 110*0Sstevel@tonic-gate error = EAGAIN; 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate return (error); 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate int 116*0Sstevel@tonic-gate get_ok_ack(TIUSER *tiptr, int type, int fmode) 117*0Sstevel@tonic-gate { 118*0Sstevel@tonic-gate int msgsz; 119*0Sstevel@tonic-gate union T_primitives *pptr; 120*0Sstevel@tonic-gate mblk_t *bp; 121*0Sstevel@tonic-gate int error; 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate error = 0; 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate /* 126*0Sstevel@tonic-gate * wait for ack 127*0Sstevel@tonic-gate */ 128*0Sstevel@tonic-gate bp = NULL; 129*0Sstevel@tonic-gate if ((error = tli_recv(tiptr, &bp, fmode)) != 0) 130*0Sstevel@tonic-gate return (error); 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate if ((msgsz = (int)(bp->b_wptr - bp->b_rptr)) < sizeof (int)) { 133*0Sstevel@tonic-gate freemsg(bp); 134*0Sstevel@tonic-gate return (EPROTO); 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate pptr = (union T_primitives *)bp->b_rptr; 138*0Sstevel@tonic-gate switch (pptr->type) { 139*0Sstevel@tonic-gate case T_OK_ACK: 140*0Sstevel@tonic-gate if (msgsz < TOKACKSZ || pptr->ok_ack.CORRECT_prim != type) 141*0Sstevel@tonic-gate error = EPROTO; 142*0Sstevel@tonic-gate break; 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate case T_ERROR_ACK: 145*0Sstevel@tonic-gate if (msgsz < TERRORACKSZ) { 146*0Sstevel@tonic-gate error = EPROTO; 147*0Sstevel@tonic-gate break; 148*0Sstevel@tonic-gate } 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate if (pptr->error_ack.TLI_error == TSYSERR) 151*0Sstevel@tonic-gate error = pptr->error_ack.UNIX_error; 152*0Sstevel@tonic-gate else 153*0Sstevel@tonic-gate error = t_tlitosyserr(pptr->error_ack.TLI_error); 154*0Sstevel@tonic-gate break; 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate default: 157*0Sstevel@tonic-gate error = EPROTO; 158*0Sstevel@tonic-gate break; 159*0Sstevel@tonic-gate } 160*0Sstevel@tonic-gate freemsg(bp); 161*0Sstevel@tonic-gate return (error); 162*0Sstevel@tonic-gate } 163*0Sstevel@tonic-gate 164*0Sstevel@tonic-gate /* 165*0Sstevel@tonic-gate * Translate a TLI error into a system error as best we can. 166*0Sstevel@tonic-gate */ 167*0Sstevel@tonic-gate static const int tli_errs[] = { 168*0Sstevel@tonic-gate 0, /* no error */ 169*0Sstevel@tonic-gate EADDRNOTAVAIL, /* TBADADDR */ 170*0Sstevel@tonic-gate ENOPROTOOPT, /* TBADOPT */ 171*0Sstevel@tonic-gate EACCES, /* TACCES */ 172*0Sstevel@tonic-gate EBADF, /* TBADF */ 173*0Sstevel@tonic-gate EADDRNOTAVAIL, /* TNOADDR */ 174*0Sstevel@tonic-gate EPROTO, /* TOUTSTATE */ 175*0Sstevel@tonic-gate EPROTO, /* TBADSEQ */ 176*0Sstevel@tonic-gate 0, /* TSYSERR - will never get */ 177*0Sstevel@tonic-gate EPROTO, /* TLOOK - should never be sent by transport */ 178*0Sstevel@tonic-gate EMSGSIZE, /* TBADDATA */ 179*0Sstevel@tonic-gate EMSGSIZE, /* TBUFOVFLW */ 180*0Sstevel@tonic-gate EPROTO, /* TFLOW */ 181*0Sstevel@tonic-gate EWOULDBLOCK, /* TNODATA */ 182*0Sstevel@tonic-gate EPROTO, /* TNODIS */ 183*0Sstevel@tonic-gate EPROTO, /* TNOUDERR */ 184*0Sstevel@tonic-gate EINVAL, /* TBADFLAG */ 185*0Sstevel@tonic-gate EPROTO, /* TNOREL */ 186*0Sstevel@tonic-gate EOPNOTSUPP, /* TNOTSUPPORT */ 187*0Sstevel@tonic-gate EPROTO, /* TSTATECHNG */ 188*0Sstevel@tonic-gate }; 189*0Sstevel@tonic-gate 190*0Sstevel@tonic-gate int 191*0Sstevel@tonic-gate t_tlitosyserr(int terr) 192*0Sstevel@tonic-gate { 193*0Sstevel@tonic-gate if (terr < 0 || (terr >= (sizeof (tli_errs) / sizeof (tli_errs[0])))) 194*0Sstevel@tonic-gate return (EPROTO); 195*0Sstevel@tonic-gate else 196*0Sstevel@tonic-gate return (tli_errs[terr]); 197*0Sstevel@tonic-gate } 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate /* 200*0Sstevel@tonic-gate * Notify transport that we are having trouble with this connection. 201*0Sstevel@tonic-gate * If transport is TCP/IP, IP should delete the IRE and start over. 202*0Sstevel@tonic-gate */ 203*0Sstevel@tonic-gate void 204*0Sstevel@tonic-gate t_kadvise(TIUSER *tiptr, uchar_t *addr, int addr_len) 205*0Sstevel@tonic-gate { 206*0Sstevel@tonic-gate file_t *fp; 207*0Sstevel@tonic-gate vnode_t *vp; 208*0Sstevel@tonic-gate struct iocblk *iocp; 209*0Sstevel@tonic-gate ipid_t *ipid; 210*0Sstevel@tonic-gate mblk_t *mp; 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate fp = tiptr->fp; 213*0Sstevel@tonic-gate vp = fp->f_vnode; 214*0Sstevel@tonic-gate 215*0Sstevel@tonic-gate mp = mkiocb(IP_IOCTL); 216*0Sstevel@tonic-gate if (!mp) 217*0Sstevel@tonic-gate return; 218*0Sstevel@tonic-gate 219*0Sstevel@tonic-gate iocp = (struct iocblk *)mp->b_rptr; 220*0Sstevel@tonic-gate iocp->ioc_count = sizeof (ipid_t) + addr_len; 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate mp->b_cont = allocb(iocp->ioc_count, BPRI_HI); 223*0Sstevel@tonic-gate if (!mp->b_cont) { 224*0Sstevel@tonic-gate freeb(mp); 225*0Sstevel@tonic-gate return; 226*0Sstevel@tonic-gate } 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate ipid = (ipid_t *)mp->b_cont->b_rptr; 229*0Sstevel@tonic-gate mp->b_cont->b_wptr += iocp->ioc_count; 230*0Sstevel@tonic-gate 231*0Sstevel@tonic-gate bzero(ipid, sizeof (*ipid)); 232*0Sstevel@tonic-gate ipid->ipid_cmd = IP_IOC_IRE_DELETE_NO_REPLY; 233*0Sstevel@tonic-gate ipid->ipid_ire_type = IRE_CACHE; 234*0Sstevel@tonic-gate ipid->ipid_addr_offset = sizeof (ipid_t); 235*0Sstevel@tonic-gate ipid->ipid_addr_length = addr_len; 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate bcopy(addr, &ipid[1], addr_len); 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate /* Ignore flow control, signals and errors */ 240*0Sstevel@tonic-gate (void) kstrputmsg(vp, mp, NULL, 0, 0, 241*0Sstevel@tonic-gate MSG_BAND | MSG_IGNFLOW | MSG_HOLDSIG | MSG_IGNERROR, 0); 242*0Sstevel@tonic-gate } 243*0Sstevel@tonic-gate 244*0Sstevel@tonic-gate #ifdef KTLIDEBUG 245*0Sstevel@tonic-gate int ktlilog = 0; 246*0Sstevel@tonic-gate 247*0Sstevel@tonic-gate /* 248*0Sstevel@tonic-gate * Kernel level debugging aid. The global variable "ktlilog" is a bit 249*0Sstevel@tonic-gate * mask which allows various types of debugging messages to be printed 250*0Sstevel@tonic-gate * out. 251*0Sstevel@tonic-gate * 252*0Sstevel@tonic-gate * ktlilog & 1 will cause actual failures to be printed. 253*0Sstevel@tonic-gate * ktlilog & 2 will cause informational messages to be 254*0Sstevel@tonic-gate * printed. 255*0Sstevel@tonic-gate */ 256*0Sstevel@tonic-gate int 257*0Sstevel@tonic-gate ktli_log(int level, char *str, int a1) 258*0Sstevel@tonic-gate { 259*0Sstevel@tonic-gate if (level & ktlilog) 260*0Sstevel@tonic-gate printf(str, a1); 261*0Sstevel@tonic-gate } 262*0Sstevel@tonic-gate #endif 263