From owner-freebsd-hackers  Tue Jan 22 18:47:34 2002
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Date: Wed, 23 Jan 2002 12:47:28 +1000 (EST)
From: Andrew <andrew@ugh.net.au>
To: freebsd-hackers@freebsd.org
Subject: Routing Socket and New Addresses
Message-ID: <20020123123040.S88192-100000@starbug.ugh.net.au>
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Hi,

I have opened a routing socket and reading from it. When an interface is
configured I get a RTM_NEWADDR message. The bit I'm confused with is the
struct sockaddr associated with RTA_IFA (that I assumed would hold the IP
of the interface) has an sa_family value of AF_IMPLINK. If I cast it to a
struct sockaddr_in then s_addr is 0.

Is this normal? If so can you get the IP of a newly configured
interface from the routing socket?

Thanks,

Andrew


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