netdev - Re: [DISCUSSION] rt6i

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Message-ID: <51E7B1B0.3000109@6wind.com>
Date:	Thu, 18 Jul 2013 11:13:20 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Fan Du <fan.du@...driver.com>
CC:	netdev <netdev@...r.kernel.org>
Subject: Re: [DISCUSSION] rt6i_genid

Le 18/07/2013 05:22, Fan Du a écrit :
> Hello Nicolas
>
> Commit 6f3118b571b8a4c06c7985dc3172c3526cb86253: "ipv6: use net->rt_genid to
> check dst validity"
> makes ip6_dst_check to check rt6i_genid against with struct net->rt_genid,
> As a matter of fact, struct net->rt_genid could only be modified by two places,
> first is adding/delete IPv4 address, second is inserting new XFRM policy.
>
> Is there any other considerations that adding/deleting IPv4 address would
> invalid all IPv6 dst
> as well? because I'm working a patch which actually depends on the result of
> this question.
No, the goal was to cover the IPsec case, ie invalidate dst entries when an xfrm 
policy is inserted/deleted.


Regards,
Nicolas
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