From: David Miller <davem@davemloft.net>
To: haiyangz@microsoft.com
Cc: netdev@vger.kernel.org, kys@microsoft.com, olaf@aepfle.de,
linux-kernel@vger.kernel.org, devel@linuxdriverproject.org
Subject: Re: [PATCH v3,1/1] net/hyperv: Add flow control based on hi/low watermark
Date: Tue, 03 Apr 2012 17:48:14 -0400 (EDT) [thread overview]
Message-ID: <20120403.174814.1643372599291158711.davem@davemloft.net> (raw)
In-Reply-To: <1332890445-12562-2-git-send-email-haiyangz@microsoft.com>
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Tue, 27 Mar 2012 16:20:45 -0700
> In the existing code, we only stop queue when the ringbuffer is full,
> so the current packet has to be dropped or retried from upper layer.
>
> This patch stops the tx queue when available ringbuffer is below
> the low watermark. So the ringbuffer still has small amount of space
> available for the current packet. This will reduce the overhead of
> retries on sending.
>
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Applied to net-next
prev parent reply other threads:[~2012-04-03 21:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-27 23:20 [PATCH v3, 0/1] net/hyperv: Add flow control based on hi/low watermark Haiyang Zhang
2012-03-27 23:20 ` [PATCH v3, 1/1] " Haiyang Zhang
2012-04-03 21:48 ` David Miller [this message]
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