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Commit d4ad30b1 authored by Govindarajulu Varadarajan's avatar Govindarajulu Varadarajan Committed by David S. Miller
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enic: Add tunable_ops support for rx_copybreak 



This patch adds support for setting/getting rx_copybreak using
generic ethtool tunable.

Defines enic_get_tunable() & enic_set_tunable() to get/set rx_copybreak.
As of now, these two function supports only rx_copybreak.

Signed-off-by: default avatarGovindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f0db9b07

drivers/net/ethernet/cisco/enic/enic_ethtool.c

+39 −0
Original line number Diff line number Diff line
@@ -379,6 +379,43 @@ static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 
	return ret;

}



static int enic_get_tunable(struct net_device *dev,

			    const struct ethtool_tunable *tuna, void *data)

{

	struct enic *enic = netdev_priv(dev);

	int ret = 0;



	switch (tuna->id) {

	case ETHTOOL_RX_COPYBREAK:

		*(u32 *)data = enic->rx_copybreak;

		break;

	default:

		ret = -EINVAL;

		break;

	}



	return ret;

}



static int enic_set_tunable(struct net_device *dev,

			    const struct ethtool_tunable *tuna,

			    const void *data)

{

	struct enic *enic = netdev_priv(dev);

	int ret = 0;



	switch (tuna->id) {

	case ETHTOOL_RX_COPYBREAK:

		enic->rx_copybreak = *(u32 *)data;

		break;

	default:

		ret = -EINVAL;

		break;

	}



	return ret;

}



static const struct ethtool_ops enic_ethtool_ops = {

	.get_settings = enic_get_settings,

	.get_drvinfo = enic_get_drvinfo,
@@ -391,6 +428,8 @@ static const struct ethtool_ops enic_ethtool_ops = { 
	.get_coalesce = enic_get_coalesce,

	.set_coalesce = enic_set_coalesce,

	.get_rxnfc = enic_get_rxnfc,

	.get_tunable = enic_get_tunable,

	.set_tunable = enic_set_tunable,

};



void enic_set_ethtool_ops(struct net_device *netdev)