From: David Miller <davem@davemloft.net>
To: Sreenivasa.Honnur@neterion.com
Cc: netdev@vger.kernel.org, support@neterion.com
Subject: Re: [net-next-2.6 PATCH 2/8] vxge: Fix starvation of receive ring controller when blasted by short packets.
Date: Mon, 29 Mar 2010 16:57:50 -0700 (PDT) [thread overview]
Message-ID: <20100329.165750.258976081.davem@davemloft.net> (raw)
In-Reply-To: <Pine.GSO.4.10.11003290407500.4435-100000@guinness>
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 29 Mar 2010 04:08:30 -0400 (EDT)
> - Fix starvation of receive ring controller when blasted by short packets. This was because the driver was posting 64 rxds initially while the ring controller
> was expecting to read 256 replenished rxds. While the driver was coming up,
> the internal rxd memory filled up the 64 buffers provided and the ring
> controller was left waiting for the remaining 192 rxds to complete the write
> back of completed rxds to the host and generation of an interrupt.
>
> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Applied.
prev parent reply other threads:[~2010-03-29 23:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-29 8:08 [net-next-2.6 PATCH 2/8] vxge: Fix starvation of receive ring controller when blasted by short packets Sreenivasa Honnur
2010-03-29 23:57 ` David Miller [this message]
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