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From: Jarek Poplawski <jarkao2@gmail.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Michael Breuer <mbreuer@majjas.com>,
	David Miller <davem@davemloft.net>,
	akpm@linux-foundation.org, flyboy@gmail.com,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	Michael Chan <mchan@broadcom.com>, Don Fry <pcnet32@verizon.net>,
	Francois Romieu <romieu@fr.zoreil.com>,
	Matt Carlson <mcarlson@broadcom.com>
Subject: Re: [PATCH v3] sky2:  receive dma mapping error handling
Date: Mon, 1 Feb 2010 23:46:39 +0100	[thread overview]
Message-ID: <20100201224639.GA4664@del.dom.local> (raw)
In-Reply-To: <20100201142942.710273cf@nehalam>

On Mon, Feb 01, 2010 at 02:29:42PM -0800, Stephen Hemminger wrote:
> On Mon, 1 Feb 2010 22:27:41 +0100
> Jarek Poplawski <jarkao2@gmail.com> wrote:
> 
> > @@ -1038,13 +1035,14 @@ static void tx_init(struct sky2_port *sky2)
> >  {
> >  	struct sky2_tx_le *le;
> >  
> > -	sky2->tx_prod = sky2->tx_cons = 0;
> > +	sky2->tx_prod = 0;
> >  	sky2->tx_tcpsum = 0;
> >  	sky2->tx_last_mss = 0;
> >  
> >  	le = get_tx_le(sky2, &sky2->tx_prod);
> >  	le->addr = 0;
> >  	le->opcode = OP_ADDR64 | HW_OWNER;
> > +	sky2->tx_cons = sky2->tx_prod;
> >  	sky2->tx_last_upper = 0;
> >  }
> 
> Your change causes the initial element to be skipped. I want
> it to goto the hardware. It makes sure the upper bits of the
> first request are set (0).

I thought "Send high bits if needed" part in sky2_xmit_frame() was
enough. If it's otherwise than my patch was wrong.

> 
> I don't see what was wrong with my fix.
> 
It's OK. Please, submit it instead of mine.

Thanks,
Jarek P.

  reply	other threads:[~2010-02-01 22:46 UTC|newest]

Thread overview: 95+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-20  9:41 [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync Jarek Poplawski
2010-01-20 18:03 ` Stephen Hemminger
2010-01-20 20:11   ` Michael Chan
2010-01-20 20:30     ` Stephen Hemminger
2010-01-20 20:58       ` Jarek Poplawski
2010-01-20 22:50         ` David Miller
2010-01-20 22:45       ` David Miller
2010-01-20 18:09 ` Stephen Hemminger
2010-01-20 22:24 ` Alan Cox
2010-01-20 22:53   ` David Miller
2010-01-20 22:53   ` Jarek Poplawski
2010-01-21 15:22     ` FUJITA Tomonori
2010-01-21 18:41       ` Jarek Poplawski
2010-01-22  5:11         ` FUJITA Tomonori
2010-01-22  6:38           ` David Miller
2010-02-03  1:18             ` FUJITA Tomonori
2010-02-03  1:27               ` David Miller
2010-01-21 19:59 ` Michael Breuer
2010-01-21 20:41   ` Jarek Poplawski
2010-01-21 20:46     ` Michael Breuer
2010-01-21 21:02       ` Jarek Poplawski
2010-01-22 18:01     ` Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync) Michael Breuer
2010-01-22 21:53       ` Jarek Poplawski
2010-01-22 22:14         ` Michael Breuer
2010-01-22 23:06           ` Jarek Poplawski
2010-01-22 23:25             ` Michael Breuer
2010-01-22 23:46               ` Jarek Poplawski
2010-01-22 23:50                 ` Michael Breuer
2010-01-23 23:21                   ` Jarek Poplawski
2010-01-24  1:53                     ` Michael Breuer
2010-01-27 15:34                     ` Michael Breuer
2010-01-27 16:50                       ` Stephen Hemminger
2010-01-27 16:57                         ` Michael Breuer
2010-01-27 17:45                           ` Stephen Hemminger
2010-01-27 17:57                             ` Michael Breuer
2010-01-27 18:33                               ` Michael Breuer
2010-01-27 23:54                             ` Hang: 2.6.32.4 sky2/DMAR David Miller
2010-01-27 17:56                           ` Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync) Stephen Hemminger
2010-01-27 17:58                             ` Michael Breuer
2010-01-27 18:08                             ` Michael Breuer
2010-01-27 18:45                               ` Michael Breuer
2010-01-27 19:23                                 ` Jarek Poplawski
2010-01-27 19:32                                   ` Jarek Poplawski
2010-01-28 15:32                                 ` Michael Breuer
2010-01-28 16:43                                   ` Michael Breuer
2010-01-28 17:08                                     ` Stephen Hemminger
2010-01-28 18:46                                       ` Michael Breuer
2010-01-28 22:34                                         ` Jarek Poplawski
2010-01-28 22:43                                           ` Michael Breuer
2010-01-28 22:56                                             ` Jarek Poplawski
2010-01-28 22:59                                               ` Michael Breuer
2010-01-28 23:36                                                 ` [PATCH] sky2: receive dma mapping error handling Stephen Hemminger
2010-01-29  0:05                                                   ` Michael Breuer
2010-01-30 16:30                                                   ` Michael Breuer
2010-01-30 16:31                                                   ` Michael Breuer
2010-01-31  0:34                                                     ` Jarek Poplawski
2010-01-31  4:17                                                       ` Michael Breuer
2010-01-31 22:25                                                         ` Jarek Poplawski
2010-01-31 23:58                                                           ` Michael Breuer
2010-01-31  4:55                                                       ` Michael Breuer
2010-01-31 18:50                                                         ` Michael Breuer
2010-01-31 21:58                                                           ` Michael Breuer
2010-01-31 22:18                                                             ` Jarek Poplawski
2010-02-01  0:19                                                               ` Michael Breuer
2010-02-01  4:26                                                                 ` Michael Breuer
2010-02-01 10:47                                                                   ` Jarek Poplawski
2010-02-01  9:17                                                                 ` [PATCH v2] sky2: Fix transmit dma mapping handling Jarek Poplawski
2010-02-01 17:52                                                                   ` Michael Breuer
2010-02-01 18:08                                                               ` [PATCH] sky2: receive dma mapping error handling Stephen Hemminger
2010-02-01 18:20                                                               ` Stephen Hemminger
2010-02-01 18:44                                                                 ` Michael Breuer
2010-02-01 20:13                                                                 ` Jarek Poplawski
2010-02-01 20:41                                                                   ` Jarek Poplawski
2010-02-01 21:27                                                                 ` [PATCH v3] " Jarek Poplawski
2010-02-01 22:29                                                                   ` Stephen Hemminger
2010-02-01 22:46                                                                     ` Jarek Poplawski [this message]
2010-02-01 22:51                                                                       ` Stephen Hemminger
2010-02-01 21:42                                                                 ` [PATCH v3b resent] sky2: Fix transmit dma mapping handling Jarek Poplawski
2010-02-03  4:07                                                                 ` [PATCH] sky2: receive dma mapping error handling Michael Breuer
2010-02-03 16:47                                                                   ` Michael Breuer
2010-02-03 16:56                                                                     ` Stephen Hemminger
2010-02-03 17:07                                                                       ` Michael Breuer
2010-02-03 18:23                                                                         ` Justin P. Mattock
2010-02-03 18:25                                                                           ` Stephen Hemminger
2010-02-03 18:48                                                                             ` Justin P. Mattock
2010-02-03 17:16                                                                       ` Justin P. Mattock
2010-02-02 22:44                                                   ` Andi Kleen
2012-01-16 16:39       ` Regression: sky2 kernel between 3.1 and 3.2.1 (last known good 3.0.9) Michael Breuer
2012-01-20 14:24         ` Michael Breuer
2012-01-20 16:10           ` Stephen Hemminger
2012-01-20 16:17             ` Michael Breuer
2012-01-20 16:26         ` Stephen Hemminger
2012-01-20 16:44           ` Michael Breuer
2012-01-21 15:29             ` Michael Breuer
2012-01-22 18:03               ` Stephen Hemminger

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