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get receiving interface index while no message is received

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From: Yang Hongyang <yanghy@...>
To: David Miller <davem@...>
Cc: <netdev@...>
Subject: get receiving interface index while no message is received
Date: Friday, August 8, 2008 - 12:27 am

when I use getsockopt(sk, IPPROTO_IPV6, IPV6_2292PKTOPTIONS,(char *)incmsg, &cnt)
to get receiving interface index while no message is received,

What interface index should be returned?
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Messages in current thread:
get receiving interface index while no message is received, Yang Hongyang, (Fri Aug 8, 12:27 am)
[PATCH] IPv6:fix the return interface index when get it whil..., Yang Hongyang, (Fri Aug 8, 1:59 am)
Re: [PATCH] IPv6:fix the return interface index when get it ..., David Miller, (Fri Aug 8, 2:03 am)
Re: [PATCH] IPv6:fix the return interface index when get it ..., Vlad Yasevich, (Fri Aug 8, 10:58 am)
Re: [PATCH] IPv6:fix the return interface index when get it ..., David Miller, (Mon Aug 18, 1:41 am)