From: Shannon Nelson <snelson@pensando.io>
To: Michal Kubecek <mkubecek@suse.cz>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH v3 net-next 13/19] ionic: Add initial ethtool support
Date: Tue, 9 Jul 2019 15:34:14 -0700 [thread overview]
Message-ID: <9de0a7a7-d609-ccfd-d27c-1b64b6366751@pensando.io> (raw)
In-Reply-To: <20190709052541.GB16610@unicorn.suse.cz>
On 7/8/19 10:25 PM, Michal Kubecek wrote:
> On Mon, Jul 08, 2019 at 12:25:26PM -0700, Shannon Nelson wrote:
>> Add in the basic ethtool callbacks for device information
>> and control.
>>
>> +
>> + if (fec_type != idev->port_info->config.fec_type) {
>> + mutex_lock(&ionic->dev_cmd_lock);
>> + ionic_dev_cmd_port_fec(idev, PORT_FEC_TYPE_NONE);
> The second argument should be fec_type, I believe.
Yep.
>
>> + err = ionic_dev_cmd_wait(ionic, devcmd_timeout);
>> + mutex_unlock(&ionic->dev_cmd_lock);
>> + if (err)
>> + return err;
>> +
>> + idev->port_info->config.fec_type = fec_type;
>> + }
>> +
>> + return 0;
>> +}
> ...
>> +static int ionic_set_ringparam(struct net_device *netdev,
>> + struct ethtool_ringparam *ring)
>> +{
>> + struct lif *lif = netdev_priv(netdev);
>> + bool running;
>> + int i, j;
>> +
>> + if (ring->rx_mini_pending || ring->rx_jumbo_pending) {
>> + netdev_info(netdev, "Changing jumbo or mini descriptors not supported\n");
>> + return -EINVAL;
>> + }
>> +
>> + i = ring->tx_pending & (ring->tx_pending - 1);
>> + j = ring->rx_pending & (ring->rx_pending - 1);
>> + if (i || j) {
>> + netdev_info(netdev, "Descriptor count must be a power of 2\n");
>> + return -EINVAL;
>> + }
> You can use is_power_of_2() here (it wouldn't allow 0 but you probably
> don't want to allow that either).
Sure.
Thanks,
sln
next prev parent reply other threads:[~2019-07-09 22:33 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
2019-07-18 17:14 ` Shannon Nelson
2019-07-09 5:25 ` Michal Kubecek
2019-07-09 22:34 ` Shannon Nelson [this message]
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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