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From: Don Lewis <Don.Lewis@tsc.tdk.com>
Message-Id: <199810250600.XAA24646@salsa.gv.tsc.tdk.com>
Date: Sat, 24 Oct 1998 23:00:46 -0700
In-Reply-To: Nicholas Charles Brawn <ncb05@uow.edu.au>
       "How does kernel assign local port?" (Oct 25,  4:03pm)
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To: Nicholas Charles Brawn <ncb05@uow.edu.au>, freebsd-net@FreeBSD.ORG
Subject: Re: How does kernel assign local port?
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On Oct 25,  4:03pm, Nicholas Charles Brawn wrote:
} Subject: How does kernel assign local port?
} I've looked through uipc_syscalls.c and uipc_socket.c to try to
} determine how & where the kernel assigns the local port a client program
} (ie telnet(1)) binds to. I've specifically looked at connect() and
} soconnect() but weren't able to determine how they are assigned. Anyone
} able to give me a hand here?

It's done in in_pcbbind() in netinet/in_pcb.c.  In the case of telnet,
the call is done by tcp_connect() in netinet/tcp_usrreq.c.

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