HP UX 11i v2 Networking Software manual Connection Mode, Longareasize

Page 144

Sample Programs

Connection Mode

Connection Mode

/**************************************************************************

(C)COPYRIGHT HEWLETT-PACKARD COMPANY 1992. ALL RIGHTS RESERVED. NO PART OF THIS PROGRAM MAY BE PHOTOCOPIED, REPRODUCED, OR TRANSLATED TO ANOTHER PROGRAM LANGUAGE WITHOUT THE PRIOR WRITTEN CONSENT OF HEWLETT PACKARD COMPANY

**************************************************************************/

/************************************************************************** This program demonstrates data transfer over a connection oriented DLPI stream. It also demonstrates connection handoff.

**************************************************************************/

#include <stdio.h> #include <fcntl.h> #include <memory.h> #include <sys/types.h> #include <sys/stream.h> #include <sys/stropts.h> #include <sys/dlpi.h> #include <sys/dlpi_ext.h>

#define

SEND_SAP

0x80

/*

sending SAP */

#define

RECV_SAP

0x82

/*

receiving SAP */

/************************************************************************** global areas for sending and receiving messages

**************************************************************************/

#define

AREA_SIZE 5000

/* bytes; big enough for largest possible

msg */

#define

LONG_AREA_SIZE

(AREA_SIZE / sizeof(u_long)) /* AREA_SIZE /

4 */

/* these are u_long arrays instead of u_char to insure proper alignment */

u_long

ctrl_area[LONG_AREA_SIZE];

/*

for control messages */

u_long

data_area[LONG_AREA_SIZE];

/*

for data messages */

struct strbuf ctrl_buf = {

 

AREA_SIZE,

/* maxlen = AREA_SIZE */

0,

/* len gets filled in for each message */

ctrl_area

/* buf = control area */

};

 

struct strbuf data_buf = {

 

AREA_SIZE,

/* maxlen = AREA_SIZE */

0,

/* len gets filled in for each message */

data_area

/* buf = data area */

};

 

/************************************************************************ get the next message from a stream; get_msg() returns one of the following defines

************************************************************************/

144

Appendix A

Image 144
Contents Dlpi Programmer’s Guide EditionLegal Notices Page Page Contents Contents Contents Sample Programs Printing History Page Preface Appendix a Sample ProgramsPage Introduction to Dlpi Introduction to Dlpi HP Dlpi Features Device File Format Header FilesService Interface Data Link LayerDlpi Connection-mode Service Modes of CommunicationData Link Layer Connectionless-mode Service Dlpi AddressingPhysical Attachment Identification HP PPA Format Data Link User Identification HP’s Dlsap Address Format 802.3, Ethernet, Token Ring, FddiHP’s Dlsap Address Format for Fibre Channel Dlsap Promiscuous Mode Clarifications Dlpi Services Dlerrorack DlinforeqDlinfoack DlhpppareqDlresetreq DlresetindDlresetres DlresetconLocal Management Services Information Reporting ServiceDlhprawdatareq DlhprawdataindAttach Service Bind ServiceBinding Reserved IEEESAPS/EthertypesSnap Message Flow Binding a Stream to a Dlsap Message Flow Enabling a Specific Multicast Address on a Connection-mode Services Connection Establishment ServiceConnection Handoff 12 Message Flow Successful Connection Establishment13 Message Flow Token Retrieval 16 Message Flow Both Primitives are Destroyed by Provider Data Transfer Service 19 Message Flow Normal Data TransferConnection Release Service 20 Message Flow DLS User-Invoked Connection ReleaseReset Service 23 Message Flow DLS User-Invoked Connection Reset Connectionless-mode Services Connectionless Data TransferRaw-mode Services Error Reporting ServiceXID and Test Service Raw-mode Data Transfer31 Message Flow XID Service XID and Test Packet Handling32 Message Flow Test Service An Example33 Message Flow a Connection-Mode Example Dlpi Primitives Dlpi Primitives Local Management Primitives PPA Initialization/De-initializationDlhpppareq Dlhpppaack Dlhpppaack Dlinforeq MTUDlinfoack Dlcsmacd DltpbDltpr DlmetroDlchar DlctcaDlfddi DlotherDlhprawdls DlacldlsDlunknown DLSTYLE1 DLSTYLE2Dlaccess DlattachreqDlbadppa Dldetachreq DloutstateDlsyserr Dlbindreq Dlbadaddr DlinitfailedDlnotinit Dlbindack Dlunbindreq Dlsubsbindreq Dlpeerbind DlhierarchicalbindDlsubsbindack DltoomanyDlsubsunbindreq Dlenabmultireq Dldisabmultireq DlnotsupportedDlpromisconreq DlnotenabDlpromiscphys DlpromiscsapDlpromiscmulti Dlpromiscoffreq Dlokack Dlerrorack Dlphysaddrreq Dlfactphysaddr Dlcurrphysaddr Dlphysaddrack DlsetphysaddrreqDlphysaddrack DlphysaddrreqDlsetphysaddrreq Dlgetstatisticsreq DlgetstatisticsackDlbusy DlgetstatisticsreqDlhpmulticastlistreq DlgetstatisticsackDlhpmulticastlistack Dlhpmulticastlistack Connectionless-mode Service Primitives DlunitdatareqDlbaddata Dlunitdataind Dluderrorind Message is valid in state Dlidle Raw Mode Service Primitives DlhprawdatareqDlhprawdataind DlbadprimRaw Mode Service Primitives Connection-mode Service Primitives Connection-Oriented Dlpi ExtensionsDlhpinforeq Dlhpinfoack DlhpinforeqDlhpinfoack Connection-mode Service Primitives Connection-mode Service Primitives Dlhpsetacktoreq DlhpsetacktoreqDlhpsetptoreq DlhpsetptoreqDlhpsetrejtoreq DlhpsetbusytoreqDlhpsetrejtoreq Dlhpsetsendacktoreq DlhpsetbusytoreqDlhpsetmaxretriesreq DlhpsetsendacktoreqDlhpsetmaxretriesreq Dlhpsetackthreshreq DLOUTCONPENDING, DlinconpendingDlhpsetlocalwinreq Dlhpsetremotewinreq Dlhpclearstatsreq DlhpsetremotewinreqDlhpsetlocalbusyreq DlhpclearstatsreqDlhpsetlocalbusyreq Dlhpclearlocalbusyreq DlhpclearlocalbusyreqDlconnectreq Dlconnectind DlbadqosparamDlbadqostype 112 Dlconnectres 114 Dlconnectcon DlbadtokenDlbadcorr Dlpending116 Dltokenreq DltokenackDldatareq Dldataind Dldisconnectreq120 Dldisconnectind Dlresetreq Dlresetind Dlresetres Dlresetcon 126 Primitives to Handle XID and Test Operations DltestreqDltestind DltestautoChapter 129 Dltestres Dltestcon Dlxidreq Dlxidind Dlxidauto134 Dlxidres DlpollfinalDlxidcon Chapter 137 Dlpi States User Reset Dluserreset Dlresetcon Prov Reset DlprovresetDlresetres Resetres Udqos Pend DludqosDLDISCON9 Pend PendingDlinconpending DLDISCON11Chapter 141 142 Sample Programs Connection Mode LongareasizeAppendix a 145 146 Appendix a 147 148 Appendix a 149 150 Appendix a 151 152 Appendix a 153 154 Appendix a 155 Connectionless Mode Snap SAPAppendix a 157 158 Appendix a 159 160 Appendix a 161 162 Appendix a 163 164 Appendix a 165 166 Raw Mode 168 Appendix a 169 170 Appendix a 171 Raw Mode 172 Glossary Connection establishment174 Glossary Index
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