From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Turull Subject: Re: [PATCH 1/2] pktgen: increasing transmission granularity Date: Thu, 10 Jun 2010 10:44:51 +0200 Message-ID: <4C10A603.2080402@gmail.com> References: <4C064533.6070709@gmail.com> <20100609.135040.193710199.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, robert@herjulf.net, jens.laas@its.uu.se To: David Miller Return-path: Received: from mail-ew0-f223.google.com ([209.85.219.223]:40798 "EHLO mail-ew0-f223.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752623Ab0FJIor (ORCPT ); Thu, 10 Jun 2010 04:44:47 -0400 Received: by ewy23 with SMTP id 23so595149ewy.1 for ; Thu, 10 Jun 2010 01:44:46 -0700 (PDT) In-Reply-To: <20100609.135040.193710199.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: This patch correct a bug in the delay of pktgen. It makes sure the inter-packet interval is accurate. Signed-off-by: Daniel Turull --- diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 2ad68da..1dacd7b 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2170,7 +2170,7 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until) end_time = ktime_now(); pkt_dev->idle_acc += ktime_to_ns(ktime_sub(end_time, start_time)); - pkt_dev->next_tx = ktime_add_ns(end_time, pkt_dev->delay); + pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay); } static inline void set_pkt_overhead(struct pktgen_dev *pkt_dev)