[PATCH net-next v2 10/12] ethtool: add EEE_NTF notification
From: Michal Kubecek <hidden>
Date: 2020-03-27 14:08:12
Also in:
lkml
Subsystem:
documentation, networking drivers, networking [ethtool], networking [general], the rest · Maintainers:
Jonathan Corbet, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Linus Torvalds
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 <redacted> --- 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(-)
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index 856c4b5bcd6a..f1950a0a6c93 100644
--- 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
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index 8959bc899f3c..bacdd5363510 100644
--- 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,
diff --git a/net/ethtool/eee.c b/net/ethtool/eee.c
index ded092d1b2b9..94aa19cff22f 100644
--- a/net/ethtool/eee.c
+++ b/net/ethtool/eee.c@@ -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);
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index c7a039a6e11e..05a2bf64a96b 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c@@ -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)
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 4630206837e0..e525c7b8ba4d 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c@@ -548,6 +548,7 @@ ethnl_default_notify_ops[ETHTOOL_MSG_KERNEL_MAX + 1] = { [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 */
@@ -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)
--
2.25.1