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From: David Miller <davem@davemloft.net>
To: ron.mercer@qlogic.com
Cc: netdev@vger.kernel.org, shashank.pandhare@qlogic.com,
	jagannatha.narayanaswami@qlogic.com
Subject: Re: [net-next PATCH 1/3] qlge: Move TX completion processing to send path.
Date: Fri, 21 Aug 2009 13:25:28 -0700 (PDT)	[thread overview]
Message-ID: <20090821.132528.248292748.davem@davemloft.net> (raw)
In-Reply-To: <20090821172301.GB12770@linux-ox1b.qlogic.org>

From: Ron Mercer <ron.mercer@qlogic.com>
Date: Fri, 21 Aug 2009 10:23:01 -0700

> I'll move TX completions into NAPI as you indicated.  I still need to
> dedicate the MSIX vectors to RSS, but I will give each vector a number
> of TX rings to service in NAPI as well.

That might actually be, in fact, optimal.  Because if you process
the TX completions first this primes the SKB allocator up with
fresh SKBs to replenish the RX ring particularly in forwarding
workloads.

  reply	other threads:[~2009-08-21 20:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-19 23:53 [net-next PATCH 0/3] qlge: Change RSS ring to MSIx vector mapping Ron Mercer
2009-08-19 23:53 ` [net-next PATCH 1/3] qlge: Move TX completion processing to send path Ron Mercer
2009-08-20  9:18   ` David Miller
2009-08-21 17:23     ` Ron Mercer
2009-08-21 20:25       ` David Miller [this message]
2009-08-19 23:53 ` [net-next PATCH 2/3] qlge: Change RSS ring to MSIx vector mapping Ron Mercer
2009-08-19 23:53 ` [net-next PATCH 3/3] qlge: Remove unused workers and irq handler Ron Mercer

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