From: David Miller <davem@davemloft.net>
To: ilpo.jarvinen@helsinki.fi
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 5/5] [TCP] MIB: Add counters for discarded SACK blocks
Date: Fri, 24 Aug 2007 22:56:08 -0700 (PDT) [thread overview]
Message-ID: <20070824.225608.93637672.davem@davemloft.net> (raw)
In-Reply-To: <1187615793520-git-send-email-ilpo.jarvinen@helsinki.fi>
From: "Ilpo_Järvinen" <ilpo.jarvinen@helsinki.fi>
Date: Mon, 20 Aug 2007 16:16:33 +0300
> In DSACK case, some events are not extraordinary, such as packet
> duplication generated DSACK. They can arrive easily below
> snd_una when undo_marker is not set (TCP being in CA_Open),
> counting such DSACKs amoung SACK discards will likely just
> mislead if they occur in some scenario when there are other
> problems as well. Similarly, excessively delayed packets could
> cause "normal" DSACKs. Therefore, separate counters are
> allocated for DSACK events.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Also applied, thanks a lot!
next prev parent reply other threads:[~2007-08-25 5:56 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-20 13:16 [PATCH net-2.6.24 0/5] TCP: Cleanups & SACK block validation Ilpo Järvinen
2007-08-20 13:16 ` [PATCH 1/5] [TCP]: Remove unnecessary wrapper tcp_packets_out_dec Ilpo Järvinen
2007-08-20 13:16 ` [PATCH 2/5] [TCP]: tcp_packets_out_inc to tcp_output.c (no callers elsewhere) Ilpo Järvinen
2007-08-20 13:16 ` [PATCH 3/5] [TCP]: Rename tcp_ack_packets_out -> tcp_rearm_rto Ilpo Järvinen
2007-08-20 13:16 ` [PATCH 4/5] [TCP]: Discard fuzzy SACK blocks Ilpo Järvinen
2007-08-20 13:16 ` [PATCH 5/5] [TCP] MIB: Add counters for discarded " Ilpo Järvinen
2007-08-25 5:56 ` David Miller [this message]
2007-08-25 5:55 ` [PATCH 4/5] [TCP]: Discard fuzzy " David Miller
2007-08-25 8:47 ` Ilpo Järvinen
2007-08-25 5:53 ` [PATCH 3/5] [TCP]: Rename tcp_ack_packets_out -> tcp_rearm_rto David Miller
2007-08-25 5:44 ` [PATCH 2/5] [TCP]: tcp_packets_out_inc to tcp_output.c (no callers elsewhere) David Miller
2007-08-25 5:43 ` [PATCH 1/5] [TCP]: Remove unnecessary wrapper tcp_packets_out_dec David Miller
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