From: Thomas Graf <tgraf@infradead.org>
To: Wei Yongjun <weiyj.lk@gmail.com>
Cc: vladislav.yasevich@hp.com, linux-sctp@vger.kernel.org,
davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH] sctp: Do not account for sizeof(struct sk_buff) in estimated rwnd
Date: Tue, 20 Dec 2011 04:39:10 -0500 [thread overview]
Message-ID: <20111220093910.GB21801@canuck.infradead.org> (raw)
In-Reply-To: <CAPgLHd-JL8cjMBSqO5Lc5nEt42zqj8qAn+qHaM35HTmnhOHg7w@mail.gmail.com>
On Tue, Dec 20, 2011 at 01:00:48PM +0800, Wei Yongjun wrote:
> I saw you discussed this with Vlad in old mail:
> http://www.spinics.net/lists/linux-sctp/msg01365.html
>
> You said you will update patch to include a per packet overhead,
> but it does not include in this patch, what's wrong with in?
It's not possible because upon retransmission of a chunk we need
to readd the overhead to the rwnd. There is no longer a reference
to a packet so we can't know how much to add. This explanation is
also in the original mail thread.
next prev parent reply other threads:[~2011-12-20 9:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-20 5:00 [PATCH] sctp: Do not account for sizeof(struct sk_buff) in estimated rwnd Wei Yongjun
2011-12-20 9:39 ` Thomas Graf [this message]
2011-12-20 18:01 ` Vlad Yasevich
2011-12-20 18:59 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2011-12-19 14:11 Thomas Graf
2011-12-19 20:10 ` David Miller
2011-12-19 23:19 ` Thomas Graf
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