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<h3>
<a name="812314"> </a><font color="#03366" face="Arial, Helvetica, sans-serif">Table of Contents</font>
</h3>
</div>
<h3>
<a name="865227"> </a><font face="Times, serif"><a href="intro.html#1000625">1 Introduction </a></font>
</h3>
<h3>
<a name="865229"> </a><font face="Times, serif"><a href="dcrtcp.html#1090931">2 TCP/IP Initialization </a></font>
</h3>
<dl>
<dd><a name="865231"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1060736">2.1 TCP/IP Stack Configuration </a></font> <dl>
<dd><a name="865233"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1091003">2.1.1 Multiple Interface Support </a></font>
<dd><a name="865235"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1100724">2.1.2 Interface Selection Macros </a></font>
<dl>
<dd> <a name="865237"> </a><font face="Times, serif"><a href="dcrtcp.html#1091106">2.1.2.1 Link Layer Drivers </a></font>
</dl>
<dd><a name="865239"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1091404">2.1.3 Single Interface Support </a></font>
<dl>
<dd> <a name="865241"> </a><font face="Times, serif"><a href="dcrtcp.html#1091425">2.1.3.1 Configuration Macros for Link Layer Driver - Single Interface </a></font>
</dl>
<dd><a name="865243"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1096545">2.1.4 TCP/IP Stack Initialization </a></font>
</dl>
<dd><a name="865245"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1091649">2.2 Interface Configuration </a></font> <dl>
<dd><a name="865247"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092068">2.2.1 Configuration Overview </a></font>
<dd><a name="865249"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1096580">2.2.2 Sources of Configuration Information </a></font>
<dl>
<dd> <a name="865251"> </a><font face="Times, serif"><a href="dcrtcp.html#1092178">2.2.2.1 Predefined Configurations </a></font>
<dd> <a name="865253"> </a><font face="Times, serif"><a href="dcrtcp.html#1092182">2.2.2.2 Static Configuration </a></font>
<dd> <a name="865255"> </a><font face="Times, serif"><a href="dcrtcp.html#1092124">2.2.2.3 Dynamic Configuration via the Network </a></font>
<dd> <a name="865257"> </a><font face="Times, serif"><a href="dcrtcp.html#1092128">2.2.2.4 Runtime Configuration Using ifconfig() </a></font>
<dd> <a name="865259"> </a><font face="Times, serif"><a href="dcrtcp.html#1092132">2.2.2.5 Directed Ping </a></font>
<dd> <a name="865261"> </a><font face="Times, serif"><a href="dcrtcp.html#1092136">2.2.2.6 Console Configuration Via Zconsole.lib </a></font>
<dd> <a name="865263"> </a><font face="Times, serif"><a href="dcrtcp.html#1059462">2.2.2.7 Media Access Control (MAC) Address </a></font>
</dl>
</dl>
<dd><a name="865265"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1093381">2.3 Dynamically Starting and Stopping Interfaces </a></font> <dl>
<dd><a name="865267"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1093404">2.3.1 Testing Interface Status </a></font>
<dd><a name="865269"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1093420">2.3.2 Bringing an Interface Up </a></font>
<dd><a name="865271"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1093424">2.3.3 Bringing an Interface Down </a></font>
</dl>
<dd><a name="865273"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1094147">2.4 Setting Up Wi-Fi Interfaces </a></font> <dl>
<dd><a name="865275"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1101452">2.4.1 Wi-Fi Compile Time Configuration </a></font>
<dl>
<dd> <a name="865277"> </a><font face="Times, serif"><a href="dcrtcp.html#1101454">2.4.1.1 Infrastructure, Open (No Encryption) Configuration </a></font>
<dd> <a name="865279"> </a><font face="Times, serif"><a href="dcrtcp.html#1101492">2.4.1.2 Ad-hoc, Open (No Encryption) Configuration </a></font>
<dd> <a name="865281"> </a><font face="Times, serif"><a href="dcrtcp.html#1102033">2.4.1.3 Infrastructure, WEP Encryption Configuration </a></font>
<dd> <a name="865283"> </a><font face="Times, serif"><a href="dcrtcp.html#1110547">2.4.1.4 Infrastructure, WPA/TKIP Encryption Configuration </a></font>
<dd> <a name="865285"> </a><font face="Times, serif"><a href="dcrtcp.html#1110688">2.4.1.5 Infrastructure, WPA2/CCMP Encryption Configuration </a></font>
<dd> <a name="865287"> </a><font face="Times, serif"><a href="dcrtcp.html#1110913">2.4.1.6 Specifying a Pre-Shared Key </a></font>
<dd> <a name="865289"> </a><font face="Times, serif"><a href="dcrtcp.html#1110911">2.4.1.7 Ad-hoc, WPA/TKIP or WPA2/CCMP Encryption Configuration </a></font>
</dl>
<dd><a name="865291"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1108727">2.4.2 Wi-Fi RunTime Configuration </a></font>
<dl>
<dd> <a name="865293"> </a><font face="Times, serif"><a href="dcrtcp.html#1112067">2.4.2.1 RunTime Configuration Starting with Dynamic C 10.40 </a></font>
<dd> <a name="865295"> </a><font face="Times, serif"><a href="dcrtcp.html#1110939">2.4.2.2 RunTime Configuration Prior to Dynamic C 10.40 </a></font>
</dl>
</dl>
<dd><a name="865297"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1112548">2.5 Setting Up PPP Interfaces </a></font> <dl>
<dd><a name="865299"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1096267">2.5.1 PPP over Asynchronous Serial </a></font>
<dd><a name="865301"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1096271">2.5.2 PPP over Ethernet </a></font>
</dl>
<dd><a name="865303"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1096274">2.6 Configuration Macro Reference </a></font> <dl>
<dd><a name="865305"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092660">2.6.1 Removing Unnecessary Functions </a></font>
<dd><a name="865307"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092763">2.6.2 Including Additional Functions </a></font>
<dd><a name="865309"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1097157">2.6.3 BOOTP/DHCP Control Macros </a></font>
<dd><a name="865311"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1097173">2.6.4 BOOTP/DHCP Global Variables </a></font>
<dd><a name="865313"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092767">2.6.5 Buffer and Resource Sizing </a></font>
<dd><a name="865315"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092669">2.6.6 Network Configuration Prior to Dynamic C 7.30 </a></font>
<dd><a name="865317"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092673">2.6.7 Network Configuration Starting with Dynamic C 7.30 </a></font>
<dd><a name="865319"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092839">2.6.8 Time-Outs and Retry Counters </a></font>
<dd><a name="865321"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092843">2.6.9 Program Debugging </a></font>
<dd><a name="865323"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1092790">2.6.10 Miscellaneous Macros </a></font>
<dl>
<dd> <a name="865325"> </a><font face="Times, serif"><a href="dcrtcp.html#1098140">2.6.10.1 TOS and TTL </a></font>
</dl>
<dd><a name="865327"> </a><font face="Times, serif" size="3"><a href="dcrtcp.html#1106656">2.6.11 Wi-Fi Configuration Macros </a></font>
</dl>
</dl>
<h3>
<a name="865329"> </a><font face="Times, serif"><a href="sockets.html#999218">3 TCP and UDP Socket Interface </a></font>
</h3>
<dl>
<dd><a name="865331"> </a><font face="Times, serif" size="3"><a href="sockets.html#999224">3.1 What is a Socket? </a></font> <dl>
<dd><a name="865333"> </a><font face="Times, serif" size="3"><a href="sockets.html#999232">3.1.1 Port Numbers </a></font>
</dl>
<dd><a name="865335"> </a><font face="Times, serif" size="3"><a href="sockets.html#999236">3.2 Allocating TCP and UDP Sockets </a></font> <dl>
<dd><a name="865337"> </a><font face="Times, serif" size="3"><a href="sockets.html#999240">3.2.1 Allocating Socket Buffers </a></font>
<dd><a name="865339"> </a><font face="Times, serif" size="3"><a href="sockets.html#1009773">3.2.2 Socket Buffer Sizes </a></font>
<dl>
<dd> <a name="865341"> </a><font face="Times, serif"><a href="sockets.html#1009784">3.2.2.1 User-Supplied Buffers </a></font>
</dl>
</dl>
<dd><a name="865343"> </a><font face="Times, serif" size="3"><a href="sockets.html#999252">3.3 Opening TCP Sockets </a></font> <dl>
<dd><a name="865345"> </a><font face="Times, serif" size="3"><a href="sockets.html#999256">3.3.1 Passive Open </a></font>
<dd><a name="865347"> </a><font face="Times, serif" size="3"><a href="sockets.html#999260">3.3.2 Active Open </a></font>
<dd><a name="865349"> </a><font face="Times, serif" size="3"><a href="sockets.html#999263">3.3.3 Waiting for Connection Establishment </a></font>
<dd><a name="865351"> </a><font face="Times, serif" size="3"><a href="sockets.html#999272">3.3.4 Specifying a Listen Queue </a></font>
</dl>
<dd><a name="865353"> </a><font face="Times, serif" size="3"><a href="sockets.html#999276">3.4 TCP Socket Functions </a></font> <dl>
<dd><a name="865355"> </a><font face="Times, serif" size="3"><a href="sockets.html#999279">3.4.1 Control Functions for TCP Sockets </a></font>
<dd><a name="865357"> </a><font face="Times, serif" size="3"><a href="sockets.html#999317">3.4.2 Status Functions for TCP Sockets </a></font>
<dd><a name="865359"> </a><font face="Times, serif" size="3"><a href="sockets.html#999385">3.4.3 I/O Functions for TCP Sockets </a></font>
</dl>
<dd><a name="865361"> </a><font face="Times, serif" size="3"><a href="sockets.html#999441">3.5 UDP Socket Overview </a></font> <dd><a name="865363"> </a><font face="Times, serif" size="3"><a href="sockets.html#999469">3.6 UDP Socket Functions (7.05 and later) </a></font> <dl>
<dd><a name="865365"> </a><font face="Times, serif" size="3"><a href="sockets.html#999470">3.6.1 Control Functions for UDP Sockets </a></font>
<dd><a name="865367"> </a><font face="Times, serif" size="3"><a href="sockets.html#999494">3.6.2 Status Function for UDP Sockets </a></font>
<dd><a name="865369"> </a><font face="Times, serif" size="3"><a href="sockets.html#999549">3.6.3 I/O Functions for UDP Sockets </a></font>
</dl>
<dd><a name="865371"> </a><font face="Times, serif" size="3"><a href="sockets.html#999575">3.7 UDP Socket Functions (pre 7.05) </a></font> <dl>
<dd><a name="865373"> </a><font face="Times, serif" size="3"><a href="sockets.html#999577">3.7.1 I/O Functions for UDP Sockets </a></font>
<dd><a name="865375"> </a><font face="Times, serif" size="3"><a href="sockets.html#999653">3.7.2 Opening and Closing a UDP Socket </a></font>
<dd><a name="865377"> </a><font face="Times, serif" size="3"><a href="sockets.html#999657">3.7.3 Writing to a UDP Socket </a></font>
<dd><a name="865379"> </a><font face="Times, serif" size="3"><a href="sockets.html#999660">3.7.4 Reading From a UDP Socket </a></font>
<dd><a name="865381"> </a><font face="Times, serif" size="3"><a href="sockets.html#999666">3.7.5 Porting Programs from the older UDP API to the new UDP API </a></font>
</dl>
<dd><a name="865383"> </a><font face="Times, serif" size="3"><a href="sockets.html#999723">3.8 Skeleton Program </a></font> <dl>
<dd><a name="865385"> </a><font face="Times, serif" size="3"><a href="sockets.html#999734">3.8.1 TCP/IP Stack Initialization </a></font>
<dd><a name="865387"> </a><font face="Times, serif" size="3"><a href="sockets.html#999737">3.8.2 Packet Processing </a></font>
</dl>
<dd><a name="865389"> </a><font face="Times, serif" size="3"><a href="sockets.html#999741">3.9 TCP/IP Daemon: tcp_tick() </a></font> <dl>
<dd><a name="865391"> </a><font face="Times, serif" size="3"><a href="sockets.html#1008704">3.9.1 tcp_tick() for Robust Applications </a></font>
<dd><a name="865393"> </a><font face="Times, serif" size="3"><a href="sockets.html#999743">3.9.2 Global Timer Variables </a></font>
</dl>
<dd><a name="865395"> </a><font face="Times, serif" size="3"><a href="sockets.html#999745">3.10 State-Based Program Design </a></font> <dl>
<dd><a name="865397"> </a><font face="Times, serif" size="3"><a href="sockets.html#999753">3.10.1 Blocking vs. Non-Blocking </a></font>
<dl>
<dd> <a name="865399"> </a><font face="Times, serif"><a href="sockets.html#999756">3.10.1.1 Non-Blocking Functions </a></font>
<dd> <a name="865401"> </a><font face="Times, serif"><a href="sockets.html#1009437">3.10.1.2 Blocking Functions </a></font>
</dl>
</dl>
<dd><a name="865403"> </a><font face="Times, serif" size="3"><a href="sockets.html#999799">3.11 TCP and UDP Data Handlers </a></font> <dl>
<dd><a name="865405"> </a><font face="Times, serif" size="3"><a href="sockets.html#999830">3.11.1 UDP Data Handler </a></font>
<dd><a name="865407"> </a><font face="Times, serif" size="3"><a href="sockets.html#999833">3.11.2 TCP Data Handler </a></font>
</dl>
<dd><a name="865409"> </a><font face="Times, serif" size="3"><a href="sockets.html#1008979">3.12 Multitasking and TCP/IP </a></font> <dl>
<dd><a name="865411"> </a><font face="Times, serif" size="3"><a href="sockets.html#1008981">3.12.1 µC/OS-II </a></font>
<dd><a name="865413"> </a><font face="Times, serif" size="3"><a href="sockets.html#1008991">3.12.2 Cooperative Multitasking </a></font>
</dl>
</dl>
<h3>
<a name="865415"> </a><font face="Times, serif"><a href="tcpoptimize.html#999209">4 Optimizing TCP/IP Performance </a></font>
</h3>
<dl>
<dd><a name="865417"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999266">4.1 DBP and Sizing of TCP Buffers </a></font> <dd><a name="865419"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999277">4.2 TCP Performance Tuning </a></font> <dl>
<dd><a name="865421"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999287">4.2.1 The Nagle Algorithm </a></font>
<dd><a name="865423"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999300">4.2.2 Time-Out Settings </a></font>
<dl>
<dd> <a name="865425"> </a><font face="Times, serif"><a href="tcpoptimize.html#1003380">4.2.2.1 Time-Out Setting Constants </a></font>
</dl>
<dd><a name="865427"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999327">4.2.3 Reserved Ports </a></font>
<dd><a name="865429"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999333">4.2.4 Type of Service (TOS) </a></font>
<dd><a name="865431"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999344">4.2.5 ARP Cache Considerations </a></font>
</dl>
<dd><a name="865433"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999352">4.3 Writing a Fast UDP Request/Response Server </a></font> <dd><a name="865435"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999358">4.4 Tips and Tricks for TCP Applications </a></font> <dl>
<dd><a name="865437"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999366">4.4.1 Bulk Loader Applications </a></font>
<dd><a name="865439"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999378">4.4.2 Casual Server Applications </a></font>
<dd><a name="865441"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999381">4.4.3 Master Controller Applications </a></font>
<dd><a name="865443"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999383">4.4.4 Web Server Applications </a></font>
<dd><a name="865445"> </a><font face="Times, serif" size="3"><a href="tcpoptimize.html#999385">4.4.5 Protocol Translator Applications </a></font>
</dl>
</dl>
<h3>
<a name="865447"> </a><font face="Times, serif"><a href="arp_dns.html#999209">5 Network Addressing: ARP & DNS </a></font>
</h3>
<dl>
<dd><a name="865449"> </a><font face="Times, serif" size="3"><a href="arp_dns.html#999212">5.1 ARP Functions </a></font> <dd><a name="865451"> </a><font face="Times, serif" size="3"><a href="arp_dns.html#999218">5.2 Configuration Macros for ARP </a></font> <dd><a name="865453"> </a><font face="Times, serif" size="3"><a href="arp_dns.html#999235">5.3 DNS Functions </a></font> <dd><a name="865455"> </a><font face="Times, serif" size="3"><a href="arp_dns.html#999242">5.4 Configuration Macros for DNS Lookups </a></font></dl>
<h3>
<a name="865457"> </a><font face="Times, serif"><a href="igmp.html#999206">6 IGMP and Multicasting </a></font>
</h3>
<dl>
<dd><a name="865459"> </a><font face="Times, serif" size="3"><a href="igmp.html#1002393">6.1 Multicasting </a></font> <dl>
<dd><a name="865461"> </a><font face="Times, serif" size="3"><a href="igmp.html#1002315">6.1.1 Multicast Addresses </a></font>
<dd><a name="865463"> </a><font face="Times, serif" size="3"><a href="igmp.html#1002474">6.1.2 Host Group Membership </a></font>
</dl>
<dd><a name="865465"> </a><font face="Times, serif" size="3"><a href="igmp.html#1002323">6.2 IGMP </a></font> <dd><a name="865467"> </a><font face="Times, serif" size="3"><a href="igmp.html#1002413">6.3 Multicast Macros </a></font></dl>
<h3>
<a name="865469"> </a><font face="Times, serif"><a href="PPP.html#1032074">7 PPP Driver </a></font>
</h3>
<dl>
<dd><a name="865471"> </a><font face="Times, serif" size="3"><a href="PPP.html#1014873">7.1 PPP Libraries </a></font> <dd><a name="865473"> </a><font face="Times, serif" size="3"><a href="PPP.html#1032464">7.2 External Modem Library </a></font> <dd><a name="865475"> </a><font face="Times, serif" size="3"><a href="PPP.html#1014323">7.3 Operation Details for PPP over Serial </a></font> <dl>
<dd><a name="865477"> </a><font face="Times, serif" size="3"><a href="PPP.html#1014433">7.3.1 The Modem Interface </a></font>
<dl>
<dd> <a name="865479"> </a><font face="Times, serif"><a href="PPP.html#1014440">7.3.1.1 Rabbit Pin Connections to Modem </a></font>
</dl>
<dd><a name="865481"> </a><font face="Times, serif" size="3"><a href="PPP.html#1013475">7.3.2 Flow Control </a></font>
</dl>
<dd><a name="865483"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015867">7.4 Operation Details for PPPoE </a></font> <dd><a name="865485"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015790">7.5 Link Control Protocol Options </a></font> <dd><a name="865487"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015856">7.6 Configuring PPP </a></font> <dl>
<dd><a name="865489"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015933">7.6.1 Serial Port Selection </a></font>
<dd><a name="865491"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015961">7.6.2 PPPoE Port Selection </a></font>
<dd><a name="865493"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015981">7.6.3 ifconfig() Options for PPP </a></font>
<dd><a name="865495"> </a><font face="Times, serif" size="3"><a href="PPP.html#1015986">7.6.4 ifconfig() Options for Serial PPP </a></font>
<dl>
<dd> <a name="865497"> </a><font face="Times, serif"><a href="PPP.html#1019433">7.6.4.1 Additional Rules for Send/Expect Scripts </a></font>
</dl>
<dd><a name="865499"> </a><font face="Times, serif" size="3"><a href="PPP.html#1016055">7.6.5 Starting and Stopping PPP Interfaces </a></font>
</dl>
</dl>
<h3>
<a name="865501"> </a><font face="Times, serif"><a href="fundesc.html#1019139">8 Function Reference </a></font>
</h3>
<h3>
<a name="865805"> </a><font face="Times, serif"><a href="vol1tcpuserIX.html#307793">Index </a></font>
</h3>
</blockquote>
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