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Commit 0f7db144 authored by Sudarsana Kalluru's avatar Sudarsana Kalluru Committed by David S. Miller
Browse files

qede: Add support for {get, set}_pauseparam 



Signed-off-by: default avatarSudarsana Kalluru <Sudarsana.Kalluru@qlogic.com>
Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 32a7a570

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

+60 −0
Original line number Diff line number Diff line
@@ -399,6 +399,64 @@ static int qede_set_ringparam(struct net_device *dev, 
	return 0;

}



static void qede_get_pauseparam(struct net_device *dev,

				struct ethtool_pauseparam *epause)

{

	struct qede_dev *edev = netdev_priv(dev);

	struct qed_link_output current_link;



	memset(&current_link, 0, sizeof(current_link));

	edev->ops->common->get_link(edev->cdev, &current_link);



	if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)

		epause->autoneg = true;

	if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE)

		epause->rx_pause = true;

	if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE)

		epause->tx_pause = true;



	DP_VERBOSE(edev, QED_MSG_DEBUG,

		   "ethtool_pauseparam: cmd %d  autoneg %d  rx_pause %d  tx_pause %d\n",

		   epause->cmd, epause->autoneg, epause->rx_pause,

		   epause->tx_pause);

}



static int qede_set_pauseparam(struct net_device *dev,

			       struct ethtool_pauseparam *epause)

{

	struct qede_dev *edev = netdev_priv(dev);

	struct qed_link_params params;

	struct qed_link_output current_link;



	if (!edev->dev_info.common.is_mf) {

		DP_INFO(edev,

			"Pause parameters can not be updated in non-default mode\n");

		return -EOPNOTSUPP;

	}



	memset(&current_link, 0, sizeof(current_link));

	edev->ops->common->get_link(edev->cdev, &current_link);



	memset(&params, 0, sizeof(params));

	params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG;

	if (epause->autoneg) {

		if (!(current_link.supported_caps & SUPPORTED_Autoneg)) {

			DP_INFO(edev, "autoneg not supported\n");

			return -EINVAL;

		}

		params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;

	}

	if (epause->rx_pause)

		params.pause_config |= QED_LINK_PAUSE_RX_ENABLE;

	if (epause->tx_pause)

		params.pause_config |= QED_LINK_PAUSE_TX_ENABLE;



	params.link_up = true;

	edev->ops->common->set_link(edev->cdev, &params);



	return 0;

}



static void qede_update_mtu(struct qede_dev *edev, union qede_reload_args *args)

{

	edev->ndev->mtu = args->mtu;
@@ -521,6 +579,8 @@ static const struct ethtool_ops qede_ethtool_ops = { 
	.get_link = qede_get_link,

	.get_ringparam = qede_get_ringparam,

	.set_ringparam = qede_set_ringparam,

	.get_pauseparam = qede_get_pauseparam,

	.set_pauseparam = qede_set_pauseparam,

	.get_strings = qede_get_strings,

	.set_phys_id = qede_set_phys_id,

	.get_ethtool_stats = qede_get_ethtool_stats,