netdev - Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6

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Date:	Tue, 19 Nov 2013 15:26:24 +0100
From:	Daniel Borkmann <dborkman@...hat.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	wangweidong <wangweidong1@...wei.com>, davem@...emloft.net,
	gerrit@....abdn.ac.uk, kuznet@....inr.ac.ru, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net, vyasevich@...il.com,
	nhorman@...driver.com, dccp@...r.kernel.org,
	netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
	dingtianhong@...wei.com
Subject: Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6_pinfo

On 11/19/2013 03:23 PM, Eric Dumazet wrote:
> On Tue, 2013-11-19 at 12:35 +0100, Daniel Borkmann wrote:
>> On 11/19/2013 05:00 AM, Eric Dumazet wrote:
>>> On Mon, 2013-11-18 at 19:58 -0800, Eric Dumazet wrote:
>>>
>>>> But sctp is not tcp ;)
>>>>
>>>> sctp_copy_sock() is doing some clever/partial copy of the socket, so
>>>> please fix it ;)
>>>>
>>>> No idea why it's not doing the normal copy of the socket.
>>>
>>> BTW, not doing the full copy means for example that SO_MAX_PACING_RATE
>>> is broken for SCTP.
>>
>> Yep, indeed. Looking into it ...
>
> It might be the time to finally use inet_csk_clone_lock() in SCTP.

I agree, this would be a good consolidation. We should do that for net-next
if that's possible.
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