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From: Vlad Yasevich <vyasevich@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: nicolas.dichtel@6wind.com, eric.dumazet@gmail.com,
	sri@us.ibm.com, linux-sctp@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next v2] Take care of xfrm policy when checking dst entries
Date: Mon, 10 Sep 2012 17:59:22 +0000	[thread overview]
Message-ID: <504E2A7A.9000003@gmail.com> (raw)
In-Reply-To: <20120910.131829.193126565067890591.davem@davemloft.net>

On 09/10/2012 01:18 PM, David Miller wrote:
> From: Vlad Yasevich <vyasevich@gmail.com>
> Date: Mon, 10 Sep 2012 10:35:03 -0400
>
>> I am not sure this is right...  This has a side-effect that when an
>> rt_cache_flush() is called, it invalidates IPv6 routes a well....
>>
>> Its all fine and good do this when a new policy is added, but not when
>> IPv4 routing table changes.
>
> I disagree.
>

So you are perfectly ok with invalidating IPv6 cache when IPv4 table 
changes, but not invalidating IPv4 cache if IPv6 table changes?

-vlad

WARNING: multiple messages have this Message-ID (diff)
From: Vlad Yasevich <vyasevich@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: nicolas.dichtel@6wind.com, eric.dumazet@gmail.com,
	sri@us.ibm.com, linux-sctp@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next v2] Take care of xfrm policy when checking dst entries
Date: Mon, 10 Sep 2012 13:59:22 -0400	[thread overview]
Message-ID: <504E2A7A.9000003@gmail.com> (raw)
In-Reply-To: <20120910.131829.193126565067890591.davem@davemloft.net>

On 09/10/2012 01:18 PM, David Miller wrote:
> From: Vlad Yasevich <vyasevich@gmail.com>
> Date: Mon, 10 Sep 2012 10:35:03 -0400
>
>> I am not sure this is right...  This has a side-effect that when an
>> rt_cache_flush() is called, it invalidates IPv6 routes a well....
>>
>> Its all fine and good do this when a new policy is added, but not when
>> IPv4 routing table changes.
>
> I disagree.
>

So you are perfectly ok with invalidating IPv6 cache when IPv4 table 
changes, but not invalidating IPv4 cache if IPv6 table changes?

-vlad

  reply	other threads:[~2012-09-10 17:59 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-06 15:47 [PATCH] sctp: check dst validity after IPsec operations Nicolas Dichtel
2012-09-06 17:40 ` Nicolas Dichtel
2012-09-06 16:04 ` Vlad Yasevich
2012-09-06 16:04   ` Vlad Yasevich
2012-09-06 16:40   ` Nicolas Dichtel
2012-09-06 16:40     ` Nicolas Dichtel
2012-09-06 17:03     ` Vlad Yasevich
2012-09-06 17:03       ` Vlad Yasevich
2012-09-07 12:24       ` Nicolas Dichtel
2012-09-07 12:24         ` Nicolas Dichtel
2012-09-07 12:07   ` Nicolas Dichtel
2012-09-07 12:07     ` Nicolas Dichtel
2012-09-06 18:10 ` David Miller
2012-09-06 18:10   ` David Miller
2012-09-07 13:47   ` Nicolas Dichtel
2012-09-07 13:47     ` Nicolas Dichtel
2012-09-07 13:55     ` [PATCH RFC net-next 0/2] Take care of xfrm policy when checking dst entries Nicolas Dichtel
2012-09-07 15:57       ` Nicolas Dichtel
2012-09-07 13:56       ` [PATCH 1/2] dst: take into account policy update on check() Nicolas Dichtel
2012-09-07 15:57         ` Nicolas Dichtel
2012-09-07 14:20         ` Vlad Yasevich
2012-09-07 14:20           ` Vlad Yasevich
2012-09-07 14:35         ` Eric Dumazet
2012-09-07 14:35           ` Eric Dumazet
2012-09-07 14:47           ` Nicolas Dichtel
2012-09-07 14:47             ` Nicolas Dichtel
2012-09-07 15:09             ` Eric Dumazet
2012-09-07 15:09               ` Eric Dumazet
2012-09-07 15:13               ` Nicolas Dichtel
2012-09-07 15:13                 ` Nicolas Dichtel
2012-09-07 15:21                 ` Eric Dumazet
2012-09-07 15:21                   ` Eric Dumazet
2012-09-07 18:48                   ` David Miller
2012-09-07 18:48                     ` David Miller
2012-09-07 18:48                 ` David Miller
2012-09-07 18:48                   ` David Miller
2012-09-10 12:47                   ` Nicolas Dichtel
2012-09-10 12:47                     ` Nicolas Dichtel
2012-09-10 13:10                     ` Eric Dumazet
2012-09-10 13:10                       ` Eric Dumazet
2012-09-10 13:22                   ` [PATCH net-next v2] Take care of xfrm policy when checking dst entries Nicolas Dichtel
2012-09-10 13:22                     ` Nicolas Dichtel
2012-09-10 13:22                     ` [PATCH net-next v2 1/4] netns: move net->ipv4.rt_genid to net->rt_genid Nicolas Dichtel
2012-09-10 13:22                       ` Nicolas Dichtel
2012-09-10 13:22                     ` [PATCH net-next v2 2/4] xfrm: invalidate dst on policy insertion/deletion Nicolas Dichtel
2012-09-10 13:22                       ` Nicolas Dichtel
2012-09-10 14:21                       ` Vlad Yasevich
2012-09-10 14:21                         ` Vlad Yasevich
2012-09-10 14:56                         ` Nicolas Dichtel
2012-09-10 14:56                           ` Nicolas Dichtel
2012-09-11  8:09                           ` [PATCH net-next v3 0/4] Take care of xfrm policy when checking dst entries Nicolas Dichtel
2012-09-11  8:09                             ` Nicolas Dichtel
2012-09-11  8:09                             ` [PATCH net-next v3 1/4] netns: move net->ipv4.rt_genid to net->rt_genid Nicolas Dichtel
2012-09-11  8:09                               ` Nicolas Dichtel
2012-09-11  8:09                             ` [PATCH net-next v3 2/4] xfrm: invalidate dst on policy insertion/deletion Nicolas Dichtel
2012-09-11  8:09                               ` Nicolas Dichtel
2012-09-11  8:09                             ` [PATCH net-next v3 3/4] ipv6: use net->rt_genid to check dst validity Nicolas Dichtel
2012-09-11  8:09                               ` Nicolas Dichtel
2012-09-11  8:09                             ` [PATCH net-next v3 4/4] ipv6: use DST_* macro to set obselete field Nicolas Dichtel
2012-09-11  8:09                               ` Nicolas Dichtel
2012-09-12  7:40                               ` Eric Dumazet
2012-09-12  7:40                                 ` Eric Dumazet
2012-09-17 16:49                             ` [PATCH net-next v3 0/4] Take care of xfrm policy when checking dst entries David Miller
2012-09-17 16:49                               ` David Miller
2012-09-17 18:14                               ` Vlad Yasevich
2012-09-17 18:14                                 ` Vlad Yasevich
2012-09-17 18:25                                 ` David Miller
2012-09-17 18:25                                   ` David Miller
2012-09-17 19:52                                   ` Nicolas Dichtel
2012-09-17 19:52                                     ` Nicolas Dichtel
2012-09-17 19:54                                     ` David Miller
2012-09-17 19:54                                       ` David Miller
2012-09-18 20:08                                       ` David Miller
2012-09-18 20:08                                         ` David Miller
2012-09-10 13:22                     ` [PATCH net-next v2 3/4] ipv6: use net->rt_genid to check dst validity Nicolas Dichtel
2012-09-10 13:22                       ` Nicolas Dichtel
2012-09-10 14:29                       ` Vlad Yasevich
2012-09-10 14:29                         ` Vlad Yasevich
2012-09-10 14:34                         ` Nicolas Dichtel
2012-09-10 14:34                           ` Nicolas Dichtel
2012-09-10 14:43                           ` Vlad Yasevich
2012-09-10 14:43                             ` Vlad Yasevich
2012-09-10 14:44                             ` Nicolas Dichtel
2012-09-10 14:44                               ` Nicolas Dichtel
2012-09-10 13:22                     ` [PATCH net-next v2 4/4] ipv6: use DST_* macro to set obselete field Nicolas Dichtel
2012-09-10 13:22                       ` Nicolas Dichtel
2012-09-10 14:35                     ` [PATCH net-next v2] Take care of xfrm policy when checking dst entries Vlad Yasevich
2012-09-10 14:35                       ` Vlad Yasevich
2012-09-10 14:38                       ` Nicolas Dichtel
2012-09-10 14:38                         ` Nicolas Dichtel
2012-09-10 17:18                       ` David Miller
2012-09-10 17:18                         ` David Miller
2012-09-10 17:59                         ` Vlad Yasevich [this message]
2012-09-10 17:59                           ` Vlad Yasevich
2012-09-10 18:01                           ` David Miller
2012-09-10 18:01                             ` David Miller
2012-09-22 16:49                             ` Jan Engelhardt
2012-09-22 16:49                               ` Jan Engelhardt
2012-09-07 14:51           ` [PATCH 1/2] dst: take into account policy update on check() Vlad Yasevich
2012-09-07 14:51             ` Vlad Yasevich
2012-09-07 15:08             ` Eric Dumazet
2012-09-07 15:08               ` Eric Dumazet
2012-09-07 13:56       ` [PATCH 2/2] ipv6: remove rt6i_flow_cache_genid field in rt6_info Nicolas Dichtel
2012-09-07 15:57         ` Nicolas Dichtel

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