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<p>I find a lot references of the function neigh_release(), can you
direct me to the one that releases a staled arp entry? Thanks.<br>
</p>
<br>
<div class="moz-cite-prefix">On 11/29/2016 12:50 AM, Anupam Kapoor
wrote:<br>
</div>
<blockquote
cite="mid:CAEXHiZEbXu--FcFYe-fQdaaRUiqmYHXitA++NhT_C+30FvnuYA@mail.gmail.com"
type="cite">
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Nov 29, 2016 at 10:40 AM,
Shawn Peng <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:yisupeng@gmail.com" target="_blank">yisupeng@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":132" class="a3s aXjCH m158ae815ee8c5102">I'm
reading the code about arp protocol. It seems like the
kernel uses<br>
the neigh_table structure to keep track of caches,
right? </div>
</blockquote>
<div>
<div class="gmail_default"
style="font-family:monospace,monospace">yes.</div>
<br>
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<div> </div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":132" class="a3s aXjCH m158ae815ee8c5102">There
should<br>
be some code that remove the stale entries in the cache,
but I didn't<br>
find the code that does this job. Does anyone have an
idea?</div>
</blockquote>
<div>
<div class="gmail_default"
style="font-family:monospace,monospace;display:inline">look
at neigh_release(...) and neigh_destroy(...). basically,
neigh_release(...) decrements the reference count of a
neighbor, and neigh_destroy(...) frees it when this
reference count reaches zero.</div>
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<br>
<div class="gmail_default"
style="font-family:monospace,monospace">--</div>
<div class="gmail_default"
style="font-family:monospace,monospace">kind regards</div>
<div class="gmail_default"
style="font-family:monospace,monospace">anupam</div>
<br>
<div><br>
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<div class="gmail_signature" data-smartmail="gmail_signature">
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<div><font face="monospace, monospace">In the beginning
was the lambda, and the lambda was with Emacs, and
Emacs was the lambda. </font></div>
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