summaryrefslogtreecommitdiff
path: root/net/ethtool/ioctl.c
diff options
context:
space:
mode:
authorMichal Kubecek <mkubecek@suse.cz>2020-03-12 21:08:33 +0100
committerDavid S. Miller <davem@davemloft.net>2020-03-12 15:32:33 -0700
commitbc9d1c995ecb8cccaac8ead2ed570544c2c885eb (patch)
tree5e54f7ecf974a5e2092ea919e8094a58cd5f28a2 /net/ethtool/ioctl.c
parent2fc2929e807211a9535a6541f24b57fa1c469728 (diff)
ethtool: add RINGS_NTF notification
Send ETHTOOL_MSG_RINGS_NTF notification whenever ring sizes of a network device are modified using ETHTOOL_MSG_RINGS_SET netlink message or ETHTOOL_SRINGPARAM ioctl request. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethtool/ioctl.c')
-rw-r--r--net/ethtool/ioctl.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 298822289496..1d5c1b6b81a4 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1635,6 +1635,7 @@ static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
{
struct ethtool_ringparam ringparam, max = { .cmd = ETHTOOL_GRINGPARAM };
+ int ret;
if (!dev->ethtool_ops->set_ringparam || !dev->ethtool_ops->get_ringparam)
return -EOPNOTSUPP;
@@ -1651,7 +1652,10 @@ static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
ringparam.tx_pending > max.tx_max_pending)
return -EINVAL;
- return dev->ethtool_ops->set_ringparam(dev, &ringparam);
+ ret = dev->ethtool_ops->set_ringparam(dev, &ringparam);
+ if (!ret)
+ ethtool_notify(dev, ETHTOOL_MSG_RINGS_NTF, NULL);
+ return ret;
}
static noinline_for_stack int ethtool_get_channels(struct net_device *dev,