From: Stephen Hemminger <shemminger@vyatta•com>
To: Mike McCormack <mikem@ring3k•org>
Cc: Jarek Poplawski <jarkao2@gmail•com>,
David Miller <davem@davemloft•net>,
mbreuer@majjas•com, flyboy@gmail•com, rjw@sisk•pl,
netdev@vger•kernel.org
Subject: Re: [PATCH] sky2: safer transmit ring cleaning (v4)
Date: Thu, 14 Jan 2010 09:51:20 -0800 [thread overview]
Message-ID: <20100114095120.59236446@nehalam> (raw)
In-Reply-To: <4B4F19EB.5080207@ring3k.org>
On Thu, 14 Jan 2010 22:19:39 +0900
Mike McCormack <mikem@ring3k•org> wrote:
> /* Number of list elements available for next tx */
> static inline int tx_avail(const struct sky2_port *sky2)
> {
> + if (unlikely(!sky2->tx_ring))
> + return 0;
> return sky2->tx_pending - tx_inuse(sky2);
> }
>
Breaks in detach case
> @@ -1925,7 +1929,9 @@ static int sky2_down(struct net_device *dev)
> sky2_read32(hw, B0_IMSK);
>
> synchronize_irq(hw->pdev->irq);
> - napi_synchronize(&hw->napi);
> + netif_tx_lock_bh(dev);
> + napi_disable(&hw->napi);
> + netif_stop_queue(dev);
>
> spin_lock_bh(&sky2->phy_lock);
> sky2_phy_power_down(hw, port);
> @@ -1939,6 +1945,8 @@ static int sky2_down(struct net_device *dev)
> sky2_rx_clean(sky2);
>
> sky2_free_buffers(sky2);
> + napi_enable(&hw->napi);
> + netif_tx_unlock_bh(dev);
>
> return 0;
Breaks on dual ported boards
next prev parent reply other threads:[~2010-01-14 17:51 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-10 22:27 2.6.33-rc3-git3: Reported regressions from 2.6.32 Rafael J. Wysocki
2010-01-10 22:32 ` [Bug #14925] sky2 panic under load Rafael J. Wysocki
2010-01-11 0:36 ` Berck E. Nash
2010-01-11 13:26 ` Jarek Poplawski
2010-01-11 19:32 ` Rafael J. Wysocki
2010-01-11 20:31 ` Jarek Poplawski
2010-01-11 20:50 ` Rafael J. Wysocki
2010-01-11 21:02 ` Berck E. Nash
2010-01-11 21:47 ` Jarek Poplawski
2010-01-11 14:03 ` Mike McCormack
2010-01-11 16:45 ` Stephen Hemminger
2010-01-11 22:07 ` Jarek Poplawski
2010-01-12 0:14 ` David Miller
2010-01-12 7:50 ` Jarek Poplawski
2010-01-12 8:08 ` David Miller
2010-01-12 8:56 ` Jarek Poplawski
2010-01-12 9:42 ` David Miller
2010-01-12 10:31 ` Jarek Poplawski
2010-01-12 10:56 ` David Miller
2010-01-12 11:04 ` Jarek Poplawski
2010-01-12 15:39 ` Stephen Hemminger
2010-01-12 16:15 ` [PATCH] sky2: safer transmit ring cleaning Stephen Hemminger
2010-01-12 16:32 ` Michael Breuer
2010-01-12 17:02 ` Stephen Hemminger
2010-01-12 18:04 ` Jarek Poplawski
2010-01-12 18:13 ` Stephen Hemminger
2010-01-12 18:24 ` Jarek Poplawski
2010-01-12 18:49 ` [PATCH] sky2: safer transmit ring cleaning (v2) Stephen Hemminger
2010-01-12 19:16 ` Jarek Poplawski
2010-01-12 19:23 ` Stephen Hemminger
2010-01-12 19:50 ` Jarek Poplawski
2010-01-13 1:23 ` Stephen Hemminger
2010-01-12 19:34 ` Michael Breuer
2010-01-12 18:35 ` [PATCH] sky2: safer transmit ring cleaning Michael Breuer
2010-01-12 18:42 ` Michael Breuer
2010-01-12 20:31 ` Michael Breuer
2010-01-13 4:10 ` [PATCH] sky2: safer transmit ring cleaning (v3) Stephen Hemminger
2010-01-13 4:31 ` Michael Breuer
2010-01-13 7:35 ` Jarek Poplawski
2010-01-13 16:04 ` Michael Breuer
2010-01-14 3:41 ` [PATCH] sky2: safer transmit ring cleaning (v4) Stephen Hemminger
2010-01-14 10:14 ` Jarek Poplawski
2010-01-14 11:16 ` Jarek Poplawski
2010-01-14 11:20 ` David Miller
2010-01-14 11:26 ` Jarek Poplawski
2010-01-14 13:19 ` Mike McCormack
2010-01-14 15:43 ` Michael Breuer
2010-01-14 16:46 ` Michael Breuer
2010-01-14 17:51 ` Stephen Hemminger [this message]
2010-01-14 17:52 ` Stephen Hemminger
2010-01-14 23:51 ` Michael Breuer
2010-01-16 18:35 ` sky2 DHCPOFFER packet loss under load (Was Re: [PATCH] sky2: safer transmit ring cleaning (v4)) Michael Breuer
2010-01-14 15:46 ` [PATCH] sky2: safer transmit ring cleaning (v4) Michael Breuer
2010-01-11 22:31 ` [Bug #14925] sky2 panic under load Jarek Poplawski
2010-01-11 16:00 ` 2.6.33-rc3-git3: Reported regressions from 2.6.32 Luis R. Rodriguez
2010-01-11 21:47 ` Nick Bowler
2010-01-11 22:10 ` Rafael J. Wysocki
[not found] ` <omZ8aBZReyD.A.rz.COlSLB@chimera>
2010-01-28 23:18 ` [PATCH net-2.6] cdc_ether: Partially revert "usbnet: Set link down initially ..." Ben Hutchings
2010-01-29 5:37 ` David Miller
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