From 65feddd5b91ba093e47eef026358e0823beedb9c Mon Sep 17 00:00:00 2001 From: Raju Lakkaraju Date: Thu, 17 Nov 2016 13:07:23 +0100 Subject: [PATCH] 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: Raju Lakkaraju Reviewed-by: Andrew Lunn Signed-off-by: Allan W. Nielsen Signed-off-by: David S. Miller --- net/core/ethtool.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 61aebdf9c61b..e9b4556751ff 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -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; }