From: David Miller <davem@davemloft.net>
To: ilpo.jarvinen@helsinki.fi
Cc: netdev@vger.kernel.org
Subject: Re: [RFC PATCHv5 1/5] [TCP]: Add highest_sack seqno, points to globally highest SACK
Date: Sat, 24 Mar 2007 21:04:28 -0700 (PDT) [thread overview]
Message-ID: <20070324.210428.78711276.davem@davemloft.net> (raw)
In-Reply-To: <11740704662337-git-send-email-ilpo.jarvinen@helsinki.fi>
From: "Ilpo_Järvinen" <ilpo.jarvinen@helsinki.fi>
Date: Fri, 16 Mar 2007 20:41:02 +0200
> It is guaranteed to be valid only when !tp->sacked_out. In most
> cases this seqno is available in the last ACK but there is no
> guarantee for that. The new fast recovery loss marking algorithm
> needs this as entry point.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Patch applied, thanks Ilpo.
It's a shame we keep around multiple values which represent very
related values. For example, this new seqno could be computed
using "fackets_out" if we knew also how many holes there were.
next prev parent reply other threads:[~2007-03-25 4:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 18:41 [RFC PATCHv5 0/5] LOST marking rewrite Ilpo Järvinen
2007-03-16 18:41 ` [RFC PATCHv5 1/5] [TCP]: Add highest_sack seqno, points to globally highest SACK Ilpo Järvinen
2007-03-16 18:41 ` [RFC PATCHv5 2/5] [TCP]: Extracted rexmit hint clearing from the LOST marking code Ilpo Järvinen
2007-03-16 18:41 ` [RFC PATCHv5 3/5] [TCP]: Reworked recovery's TCPCB_LOST marking functions Ilpo Järvinen
2007-03-16 18:41 ` [RFC PATCHv5 4/5] [TCP]: new LOST marker optimizations Ilpo Järvinen
2007-03-16 18:41 ` [RFC PATCHv5 5/5] [TCP]: non-FACK SACK follows conservative SACK loss recovery (RFC3517) Ilpo Järvinen
2007-03-25 4:13 ` David Miller
2007-03-25 4:10 ` [RFC PATCHv5 4/5] [TCP]: new LOST marker optimizations David Miller
2007-03-25 4:09 ` [RFC PATCHv5 3/5] [TCP]: Reworked recovery's TCPCB_LOST marking functions David Miller
2007-03-25 4:05 ` [RFC PATCHv5 2/5] [TCP]: Extracted rexmit hint clearing from the LOST marking code David Miller
2007-03-25 4:04 ` David Miller [this message]
2007-03-25 21:55 ` [RFC PATCHv5 1/5] [TCP]: Add highest_sack seqno, points to globally highest SACK Ilpo Järvinen
2007-03-26 1:35 ` David Miller
2007-03-26 21:43 ` Ilpo Järvinen
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