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From: Andrew Lunn <andrew@lunn.ch>
To: Shannon Nelson <snelson@pensando.io>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH v3 net-next 13/19] ionic: Add initial ethtool support
Date: Thu, 18 Jul 2019 05:31:09 +0200	[thread overview]
Message-ID: <20190718033109.GI6962@lunn.ch> (raw)
In-Reply-To: <79f2da6f-4568-4bc8-2fa4-3aa5a41bbff1@pensando.io>

On Fri, Jul 12, 2019 at 10:32:38PM -0700, Shannon Nelson wrote:
> On 7/8/19 7:30 PM, Andrew Lunn wrote:
> >>+static int ionic_nway_reset(struct net_device *netdev)
> >>+{
> >>+	struct lif *lif = netdev_priv(netdev);
> >>+	int err = 0;
> >>+
> >>+	if (netif_running(netdev))
> >>+		err = ionic_reset_queues(lif);
> >What does ionic_reset_queues() do? It sounds nothing like restarting
> >auto negotiation?
> >
> >      Andrew
> Basically, it's a rip-it-all-down-and-start-over way of restarting the
> connection, and is also useful for fixing queues that are misbehaving.  It's
> a little old-fashioned, taken from the ixgbe example, but is effective when
> there isn't an actual "restart auto-negotiation" command in the firmware.

O.K. More comments please.

Did you consider throwing the firmware away and just letting Linux
control the hardware? It would make this all much more transparent and
debuggable.

	Andrew

  reply	other threads:[~2019-07-18  3:31 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-08 19:25 [PATCH v3 net-next 00/19] Add ionic driver Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 01/19] ionic: Add basic framework for IONIC Network device driver Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 02/19] ionic: Add hardware init and device commands Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 03/19] ionic: Add port management commands Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 04/19] ionic: Add basic lif support Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 05/19] ionic: Add interrupts and doorbells Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 06/19] ionic: Add basic adminq support Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 07/19] ionic: Add adminq action Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 08/19] ionic: Add notifyq support Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 09/19] ionic: Add the basic NDO callbacks for netdev support Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 10/19] ionic: Add management of rx filters Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 11/19] ionic: Add Rx filter and rx_mode ndo support Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 12/19] ionic: Add async link status check and basic stats Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 13/19] ionic: Add initial ethtool support Shannon Nelson
2019-07-08 22:04   ` Andrew Lunn
2019-07-09  5:15     ` Michal Kubecek
2019-07-09 22:35       ` Shannon Nelson
2019-07-11 19:10     ` Shannon Nelson
2019-07-09  2:14   ` Andrew Lunn
2019-07-13  5:16     ` Shannon Nelson
2019-07-18  3:28       ` Andrew Lunn
2019-07-19  0:12         ` Shannon Nelson
2019-07-19  2:40           ` Andrew Lunn
2019-07-19 18:41             ` Shannon Nelson
2019-07-19 19:07               ` Andrew Lunn
2019-07-19 20:20                 ` Shannon Nelson
2019-07-09  2:27   ` Andrew Lunn
2019-07-09 22:42     ` Shannon Nelson
2019-07-18  3:21       ` Andrew Lunn
2019-07-18 17:05         ` Shannon Nelson
2019-07-18 17:28           ` Andrew Lunn
2019-07-18 17:54             ` Shannon Nelson
2019-07-09  2:30   ` Andrew Lunn
2019-07-13  5:32     ` Shannon Nelson
2019-07-18  3:31       ` Andrew Lunn [this message]
2019-07-18 17:14         ` Shannon Nelson
2019-07-09  5:25   ` Michal Kubecek
2019-07-09 22:34     ` Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 14/19] ionic: Add Tx and Rx handling Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 15/19] ionic: Add netdev-event handling Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 16/19] ionic: Add driver stats Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 17/19] ionic: Add RSS support Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 18/19] ionic: Add coalesce and other features Shannon Nelson
2019-07-08 19:25 ` [PATCH v3 net-next 19/19] ionic: Add basic devlink interface Shannon Nelson
2019-07-08 19:34   ` Jiri Pirko
2019-07-08 19:58     ` Shannon Nelson
2019-07-08 20:03       ` Jiri Pirko
2019-07-08 22:58         ` Shannon Nelson
2019-07-09  6:56           ` Jiri Pirko
2019-07-09 19:13             ` Shannon Nelson
2019-07-10  6:48               ` Jiri Pirko
2019-07-10 17:06                 ` Shannon Nelson
2019-07-09  1:26   ` Jakub Kicinski
2019-07-09 19:06     ` Shannon Nelson
2019-07-09  2:58 ` [PATCH v3 net-next 00/19] Add ionic driver David Miller
2019-07-09  3:01   ` Shannon Nelson

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