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-rw-r--r--Documentation/networking/ethtool-netlink.rst1
-rw-r--r--include/uapi/linux/ethtool_netlink.h1
-rw-r--r--net/ethtool/coalesce.c3
-rw-r--r--net/ethtool/ioctl.c6
-rw-r--r--net/ethtool/netlink.c2
5 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index b593c7f50934..d4be0a63786d 100644
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -224,6 +224,7 @@ Kernel to userspace:
``ETHTOOL_MSG_CHANNELS_GET_REPLY`` channel counts
``ETHTOOL_MSG_CHANNELS_NTF`` channel counts
``ETHTOOL_MSG_COALESCE_GET_REPLY`` coalescing parameters
+ ``ETHTOOL_MSG_COALESCE_NTF`` coalescing parameters
===================================== =================================
``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 d9f4047c64c3..fdbcaf76df1e 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -63,6 +63,7 @@ enum {
ETHTOOL_MSG_CHANNELS_GET_REPLY,
ETHTOOL_MSG_CHANNELS_NTF,
ETHTOOL_MSG_COALESCE_GET_REPLY,
+ ETHTOOL_MSG_COALESCE_NTF,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
diff --git a/net/ethtool/coalesce.c b/net/ethtool/coalesce.c
index 6cf1a7ebf0c5..6afd99042d67 100644
--- a/net/ethtool/coalesce.c
+++ b/net/ethtool/coalesce.c
@@ -339,6 +339,9 @@ int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
goto out_ops;
ret = dev->ethtool_ops->set_coalesce(dev, &coalesce);
+ if (ret < 0)
+ goto out_ops;
+ ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF, NULL);
out_ops:
ethnl_ops_complete(dev);
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 10d929abdf6a..198825ebc114 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1571,6 +1571,7 @@ static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
void __user *useraddr)
{
struct ethtool_coalesce coalesce;
+ int ret;
if (!dev->ethtool_ops->set_coalesce)
return -EOPNOTSUPP;
@@ -1581,7 +1582,10 @@ static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
if (!ethtool_set_coalesce_supported(dev, &coalesce))
return -EOPNOTSUPP;
- return dev->ethtool_ops->set_coalesce(dev, &coalesce);
+ ret = dev->ethtool_ops->set_coalesce(dev, &coalesce);
+ if (!ret)
+ ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF, NULL);
+ return ret;
}
static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 3a236b4dfbf3..117971e695ca 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -544,6 +544,7 @@ ethnl_default_notify_ops[ETHTOOL_MSG_KERNEL_MAX + 1] = {
[ETHTOOL_MSG_PRIVFLAGS_NTF] = &ethnl_privflags_request_ops,
[ETHTOOL_MSG_RINGS_NTF] = &ethnl_rings_request_ops,
[ETHTOOL_MSG_CHANNELS_NTF] = &ethnl_channels_request_ops,
+ [ETHTOOL_MSG_COALESCE_NTF] = &ethnl_coalesce_request_ops,
};
/* default notification handler */
@@ -633,6 +634,7 @@ static const ethnl_notify_handler_t ethnl_notify_handlers[] = {
[ETHTOOL_MSG_PRIVFLAGS_NTF] = ethnl_default_notify,
[ETHTOOL_MSG_RINGS_NTF] = ethnl_default_notify,
[ETHTOOL_MSG_CHANNELS_NTF] = ethnl_default_notify,
+ [ETHTOOL_MSG_COALESCE_NTF] = ethnl_default_notify,
};
void ethtool_notify(struct net_device *dev, unsigned int cmd, const void *data)