From mboxrd@z Thu Jan  1 00:00:00 1970
From: "jywang" <jywang@cnic.cn>
Subject: where the skb->dst->output() go
Date: Fri, 4 Nov 2005 15:55:21 +0800
Message-ID: <013e01c5e115$1b363f70$060ae29f@javaboy>
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where the skb->dst->output() go in ipv4 stack.
there must be a callback function, but i can't find where it is.