(usagi-users 03320) Re: How do I do ARP for IPv6 in USAGI?

Hi
----- Original Message ----- 
From: "Patrick Lam" <[email protected]>
To: <[email protected]>
Sent: Wednesday, April 20, 2005 7:16 PM
Subject: (usagi-users 03315) How do I do ARP for IPv6 in USAGI?


> Hi,
> 
> I noticed that the original arp does not work for
> IPv6.  Then I realized that the arp functionality in
> IPv6 is replaced by neighbor discovery (is this
> right??).
> 
> Is neighbor discovery implemented in USAGI yet?  Can
> anyone give me a pointer to find the module(s) related
> to it?

It is implemented in net/ipv6/ndisc.c
and how neighbor entries dealed with  are in net/core/neighbor.c

> 
> Basically, I want to map the destination machine's
> IPv6 address (the other side of the network) to its
> MAC address.  How should I do it?

The IPv6 link-local address itself  contained the MAC address.
eg:
 IPv6 link-local addr: fe80::290:27ff:fe08:92bb/64
MAC address: 00:90:27:08:92:bb

> 
> Thanks very much in advance.
> 
> Regards,
> 
> Patrick
> 
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam protection around 
> http://mail.yahoo.com 
>