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Commit 65feddd5 authored by Raju Lakkaraju's avatar Raju Lakkaraju Committed by David S. Miller
Browse files

ethtool: Core impl for ETHTOOL_PHY_DOWNSHIFT tunable 



Adding validation support for the ETHTOOL_PHY_DOWNSHIFT. Functional
implementation needs to be done in the individual PHY drivers.

Signed-off-by: default avatarRaju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarAllan W. Nielsen <allan.nielsen@microsemi.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 607c7029

net/core/ethtool.c

+6 −0
Original line number Diff line number Diff line
@@ -122,6 +122,7 @@ tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 
static const char

phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {

	[ETHTOOL_ID_UNSPEC]     = "Unspec",

	[ETHTOOL_PHY_DOWNSHIFT]	= "phy-downshift",

};



static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
@@ -2435,6 +2436,11 @@ static int ethtool_set_per_queue(struct net_device *dev, void __user *useraddr) 
static int ethtool_phy_tunable_valid(const struct ethtool_tunable *tuna)

{

	switch (tuna->id) {

	case ETHTOOL_PHY_DOWNSHIFT:

		if (tuna->len != sizeof(u8) ||

		    tuna->type_id != ETHTOOL_TUNABLE_U8)

			return -EINVAL;

		break;

	default:

		return -EINVAL;

	}