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Date: Sat, 29 Aug 2009 00:01:54 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: opurdila@...acom.com
Cc: mail4ilia@...il.com, netdev@...r.kernel.org
Subject: Re: multicast routing and multiple interfaces with same IP
From: Octavian Purdila <opurdila@...acom.com>
Date: Thu, 27 Aug 2009 02:53:18 +0300
> I don't have context on multicast routing, but this caught my attention:
>
>>@@ -61,11 +61,13 @@
>> unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
>> struct in_addr vifc_lcl_addr; /* Our address */
>> struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
>>+ int ifindex; /* Local interface index */
>> };
>>
>
> Wouldn't this break userspace ABI?
>
> Perhaps you could use a union between vifc_lcl_addr and vifc_ifindex, they seem
> to be exclusive.
Indeed, this will need to be fixed up.
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