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><A
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NAME="TCPIP-OPENBSD-STACK-PORT">Chapter 43. OpenBSD TCP/IP stack port</H1
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NAME="TCPIP-OPENBSD-STACK-PORT">Chapter 43. OpenBSD TCP/IP stack port</H1
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><DIV
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><DIV
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CLASS="TOC"
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><DT
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>Table of Contents</B
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>Table of Contents</B
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><DT
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><DT
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><A
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><A
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HREF="tcpip-openbsd-stack-port.html#TCPIP-OPENBSD-TCPIP-TARGETS"
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HREF="tcpip-openbsd-stack-port.html#TCPIP-OPENBSD-TCPIP-TARGETS"
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>Targets</A
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>Targets</A
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>Building the Network Stack</A
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>Building the Network Stack</A
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><P
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><P
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>This document describes how to get started with the OpenBSD
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>This document describes how to get started with the OpenBSD
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TCP/IP network stack. </P
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TCP/IP network stack. </P
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><DIV
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NAME="TCPIP-OPENBSD-TCPIP-TARGETS">Targets</H1
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NAME="TCPIP-OPENBSD-TCPIP-TARGETS">Targets</H1
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><P
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><P
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>A number of ethernet devices may be supported. The default configuration
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>A number of ethernet devices may be supported. The default configuration
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supports two instances of the interface by default,
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supports two instances of the interface by default,
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and you will need to write your own driver instantiation code,
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and you will need to write your own driver instantiation code,
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and supplemental startup and initialization code,
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and supplemental startup and initialization code,
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if you should add additional ones.</P
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if you should add additional ones.</P
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><P
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><P
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>The target for your board will normally be supplied with an
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>The target for your board will normally be supplied with an
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ethernet driver, in which case including the network stack and
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ethernet driver, in which case including the network stack and
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generic ethernet driver package to your build will automatically
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generic ethernet driver package to your build will automatically
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enable usage of the ethernet device driver.
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enable usage of the ethernet device driver.
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If your target is not supplied with an ethernet
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If your target is not supplied with an ethernet
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driver, you will need to use loopback (see
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driver, you will need to use loopback (see
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<A
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<A
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HREF="net-common-tests-and-demonstrations.html#NET-COMMON-LOOPBACK-TESTS"
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HREF="net-common-tests-and-demonstrations.html#NET-COMMON-LOOPBACK-TESTS"
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>the Section called <I
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>the Section called <I
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>Loopback tests</I
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>Loopback tests</I
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> in Chapter 36</A
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> in Chapter 36</A
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>).</P
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>).</P
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