netdev - Re: [PATCH net-next] sctp: reuse sent_count to avoid retransmitted chunks for RTT measurements

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Date:   Thu, 13 Oct 2016 09:44:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     lucien.xin@...il.com
Cc:     netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
        marcelo.leitner@...il.com, vyasevich@...il.com,
        daniel@...earbox.net
Subject: Re: [PATCH net-next] sctp: reuse sent_count to avoid retransmitted
 chunks for RTT measurements

From: Xin Long <lucien.xin@...il.com>
Date: Sat,  8 Oct 2016 11:36:05 +0800

> Now sctp uses chunk->resent to record if a chunk is retransmitted, for
> RTT measurements with retransmitted DATA chunks. chunk->sent_count was
> introduced to record how many times one chunk has been sent for prsctp
> RTX policy before. We actually can know if one chunk is retransmitted
> by checking chunk->sent_count is greater than 1.
> 
> This patch is to remove resent from sctp_chunk and reuse sent_count
> to avoid retransmitted chunks for RTT measurements.
> 
> Signed-off-by: Xin Long <lucien.xin@...il.com>

Applied.