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ethtool: add EEE_NTF notification

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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>
This commit is contained in:
Michal Kubecek 2020-03-28 00:01:48 +01:00 committed by David S. Miller
parent fd77be7bd4
commit 6c5bc8fe4e
5 changed files with 12 additions and 1 deletions
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1
Documentation/networking/ethtool-netlink.rst
View File

@ -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

1
include/uapi/linux/ethtool_netlink.h
View File

@ -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,

3
net/ethtool/eee.c
View File

@ -192,6 +192,9 @@ int ethnl_set_eee(struct sk_buff *skb, struct genl_info *info)
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);

6
net/ethtool/ioctl.c
View File

@ -1354,6 +1354,7 @@ static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
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;
@ -1361,7 +1362,10 @@ static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
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)

2
net/ethtool/netlink.c
View File

@ -548,6 +548,7 @@ ethnl_default_notify_ops[ETHTOOL_MSG_KERNEL_MAX + 1] = {
[ETHTOOL_MSG_CHANNELS_NTF] = &ethnl_channels_request_ops,
[ETHTOOL_MSG_COALESCE_NTF] = &ethnl_coalesce_request_ops,
[ETHTOOL_MSG_PAUSE_NTF] = &ethnl_pause_request_ops,
[ETHTOOL_MSG_EEE_NTF] = &ethnl_eee_request_ops,
};
/* default notification handler */
@ -639,6 +640,7 @@ static const ethnl_notify_handler_t ethnl_notify_handlers[] = {
[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)