netdev - Re: [PATCH] ipv6: Fix the pmtu path for connected UDP socket

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Message-ID: <CAM_iQpXgHHr=h=3VeMdYfOnzTdeBeODGVKmwBi7AFW485_WRAg@mail.gmail.com>
Date:	Fri, 18 Mar 2016 11:10:04 -0700
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Wei Wang <weiwan@...gle.com>
Cc:	Martin KaFai Lau <kafai@...com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH] ipv6: Fix the pmtu path for connected UDP socket

On Fri, Mar 18, 2016 at 10:45 AM, Wei Wang <weiwan@...gle.com> wrote:
> Thanks all for the comments.
>
> Cong, you are right that for ipv6, the code does not take care of updating
> sk_dst_cache entry like Ipv4. And this patch is updating the entry by
> calling ip6_dst_store() to achieve similar functionality as Ipv4.

My question is why not updating ip6_sk_update_pmtu() to sync with ipv4?