From: Michal Kubecek <mkubecek@suse.cz>
Date: Sat, 28 Mar 2020 00:01:48 +0100
Subject: ethtool: add EEE_NTF notification
Patch-mainline: v5.7-rc1
Git-commit: 6c5bc8fe4e1915da8296a665bd742dbe34de02f0
References: bsc#1176447
Send ETHTOOL_MSG_EEE_NTF notification whenever EEE settings of a network
device are modified using ETHTOOL_MSG_EEE_SET netlink message or
ETHTOOL_SEEE ioctl request.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
Documentation/networking/ethtool-netlink.rst | 1 +
include/uapi/linux/ethtool_netlink.h | 1 +
net/ethtool/eee.c | 3 +++
net/ethtool/ioctl.c | 6 +++++-
net/ethtool/netlink.c | 2 ++
5 files changed, 12 insertions(+), 1 deletion(-)
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -232,6 +232,7 @@ Kernel to userspace:
``ETHTOOL_MSG_PAUSE_GET_REPLY`` pause parameters
``ETHTOOL_MSG_PAUSE_NTF`` pause parameters
``ETHTOOL_MSG_EEE_GET_REPLY`` EEE settings
+ ``ETHTOOL_MSG_EEE_NTF`` EEE settings
===================================== =================================
``GET`` requests are sent by userspace applications to retrieve device
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -71,6 +71,7 @@ enum {
ETHTOOL_MSG_PAUSE_GET_REPLY,
ETHTOOL_MSG_PAUSE_NTF,
ETHTOOL_MSG_EEE_GET_REPLY,
+ ETHTOOL_MSG_EEE_NTF,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
--- a/net/ethtool/eee.c
+++ b/net/ethtool/eee.c
@@ -192,6 +192,9 @@ int ethnl_set_eee(struct sk_buff *skb, s
goto out_ops;
ret = dev->ethtool_ops->set_eee(dev, &eee);
+ if (ret < 0)
+ goto out_ops;
+ ethtool_notify(dev, ETHTOOL_MSG_EEE_NTF, NULL);
out_ops:
ethnl_ops_complete(dev);
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1352,6 +1352,7 @@ static int ethtool_get_eee(struct net_de
static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
{
struct ethtool_eee edata;
+ int ret;
if (!dev->ethtool_ops->set_eee)
return -EOPNOTSUPP;
@@ -1359,7 +1360,10 @@ static int ethtool_set_eee(struct net_de
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
- return dev->ethtool_ops->set_eee(dev, &edata);
+ ret = dev->ethtool_ops->set_eee(dev, &edata);
+ if (!ret)
+ ethtool_notify(dev, ETHTOOL_MSG_EEE_NTF, NULL);
+ return ret;
}
static int ethtool_nway_reset(struct net_device *dev)
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -540,6 +540,7 @@ ethnl_default_notify_ops[ETHTOOL_MSG_KER
[ETHTOOL_MSG_CHANNELS_NTF] = ðnl_channels_request_ops,
[ETHTOOL_MSG_COALESCE_NTF] = ðnl_coalesce_request_ops,
[ETHTOOL_MSG_PAUSE_NTF] = ðnl_pause_request_ops,
+ [ETHTOOL_MSG_EEE_NTF] = ðnl_eee_request_ops,
};
/* default notification handler */
@@ -631,6 +632,7 @@ static const ethnl_notify_handler_t ethn
[ETHTOOL_MSG_CHANNELS_NTF] = ethnl_default_notify,
[ETHTOOL_MSG_COALESCE_NTF] = ethnl_default_notify,
[ETHTOOL_MSG_PAUSE_NTF] = ethnl_default_notify,
+ [ETHTOOL_MSG_EEE_NTF] = ethnl_default_notify,
};
void ethtool_notify(struct net_device *dev, unsigned int cmd, const void *data)